WebSVN – wimsdev – Blame – /trunk/wims/src/Misc/canvasdraw/canvasdraw.c

Rev	Author	Line No.	Line
8299	schaersvoo	1	/*27/7/2013 version 0.01
7614	schaersvoo	2	"Inspired" by FLY program: http://martin.gleeson.com/fly
		3	*********************************************************************************
		4	* J.M. Evers 7/2013 *
		5	* This is all just amateur scriblings... So no copyrights. *
		6	* This source code file, and compiled objects derived from it, *
		7	* can be used and distributed without restriction, including for commercial use *
		8	* No warrenty whatsoever *
		9	*********************************************************************************
		10	*/
7848	bpr	11	#include "canvasdraw.h"
7614	schaersvoo	12
		13	/******************************************************************************
		14	** Internal Functions
		15	******************************************************************************/
		16	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		17	void sync_input(FILE infile);/ proceed with inputfile */
11021	schaersvoo	18	void add_javascript_function(int js_function[], int canvas_root_id);
14078	bpr	19	void reset();/* reset some global variables like "use_filled", "use_dashed" */
7614	schaersvoo	20	int get_token(FILE infile); / read next char until EOL*/
8225	bpr	21	/*
7614	schaersvoo	22	int x2px(double x);
		23	int y2px(double y);
8225	bpr	24	*/
7614	schaersvoo	25	double px2x(int x);
		26	double px2y(int y);
7906	schaersvoo	27	double get_real(FILE infile,int last); / read a value; calculation and symbols allowed */
7614	schaersvoo	28	char str_replace ( const char word, const char sub_word, const char rep_word );
		29	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
7906	schaersvoo	30	char get_string(FILE infile,int last); /* get the string at the end of a command */
7614	schaersvoo	31	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		32	char convert_hex2rgb(char hexcolor);
8257	schaersvoo	33	void add_read_canvas(int canvas_root_id,int reply_format,int reply_precision);
7614	schaersvoo	34	void make_js_include(int canvas_root_id);
		35	void check_string_length(int length);/* checks if the length of string argument of command is correct */
8224	bpr	36	FILE *js_include_file;
7614	schaersvoo	37	FILE get_file(int line_number, char **filename);
		38	FILE infile; / will be stdin */
		39	/******************************************************************************
		40	** global
		41	******************************************************************************/
		42	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		43	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		44	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		45	int xsize = 320;
		46	int ysize = 320;
		47	double xmin = 0.0;
		48	double xmax = 320.0;
		49	double ymin = 0.0;
		50	double ymax = 320.0;
11893	schaersvoo	51	double tmax = 0;
		52	double tmin = 0;
7614	schaersvoo	53	/* flag to indicate parsing of line status */
8224	bpr	54	int done = FALSE;
7614	schaersvoo	55	int type; /* eg command number */
		56	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
14208	schaersvoo	57	char *slider_type="0";
		58	int slider_cnt = 0;
		59	int active_sliders[MAX_SLIDERS];
		60	char *current_sliders = "[-1]";
7785	schaersvoo	61	int use_affine = FALSE;
7614	schaersvoo	62	int use_rotate = FALSE;
14078	bpr	63	int use_filled = 0; /* 0:no fill, 1:fill,2=grid?,3=hatch?,4=diamond?,5=dot?,6=image? */
		64	int use_dashed = FALSE; /* dashing not natively supported in firefox, for now... */
8097	schaersvoo	65
7614	schaersvoo	66	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
9329	schaersvoo	67	char *getfile_cmd = "";
7614	schaersvoo	68	/******************************************************************************
		69	** Main Program
		70	******************************************************************************/
		71	int main(int argc, char *argv[]){
14066	bpr	72	/* need unique id for every call to canvasdraw: rand(); is too slow...will result in many identical id's */
12104	schaersvoo	73	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);
		74	unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
7614	schaersvoo	75	infile = stdin;/* read flyscript via stdin */
		76	int i,c;
		77	double double_data[MAX_INT+1];
		78	int int_data[MAX_INT+1];
		79	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
14208	schaersvoo	80	for(i=0;i<MAX_SLIDERS;i++){active_sliders[i]=-1;}
7614	schaersvoo	81	int use_parametric = FALSE;/* will be reset after parametric plotting */
		82	int use_axis = FALSE;
11891	schaersvoo	83	int use_axis_numbering = -1;
14066	bpr	84	int use_snap = 0; /* 0 = none 1=grid: 2=x-grid: 3=y-grid: 4=snap to points */
14038	schaersvoo	85	int use_offset = 0;/* use_offset only for text shape objects... 0=none;1=yoffset;2=xoffset;3=xyoffset;4=centered*/
7797	schaersvoo	86	int use_pan_and_zoom = FALSE;
14066	bpr	87	int use_safe_eval = FALSE; /* if true, add just once: js function to evaluate userinput values for plotting etc */
7858	schaersvoo	88	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
14078	bpr	89	int use_js_plot = FALSE; /* if true, let js-engine plot the curve */
11006	schaersvoo	90	int jsplot_cnt = 0; /* keepint track on the curve identity */
8448	schaersvoo	91	int print_drag_params_only_once = FALSE;/* avoid multiple useless identical lines about javascript precision and use_dragdrop */
14038	schaersvoo	92	int include_special_OEF_reply = FALSE; /* used for including extra read_canvas_images();*/
7614	schaersvoo	93	int line_width = 1;
		94	int decimals = 2;
8365	schaersvoo	95	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate.May be redefined before every object */
		96	int use_userdraw = FALSE; /* flag to indicate user interaction */
14066	bpr	97	int drag_type = -1;/* 0,1,2: xy,x,y */
9329	schaersvoo	98	int use_tooltip = -1; /* 1= tooltip 2= popup window*/
7614	schaersvoo	99	char *tooltip_text = "Click here";
		100	char temp = ""; / */
		101	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		102	char *stroke_color = "255,0,0";
14208	schaersvoo	103	char *fill_color = "255,255,255";
7614	schaersvoo	104	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		105	char *font_color = "#00000";
		106	char *draw_type = "points";
		107	char *fly_font = "normal";
8815	schaersvoo	108	char *input_style = "font-family:Ariel;text-align:center;color:blue;font-size:12px;background-color:orange;";
7614	schaersvoo	109	char *flytext = "";
7785	schaersvoo	110	char *affine_matrix = "[1,0,0,1,0,0]";
8297	schaersvoo	111	char *function_label = "f(x)=";
14066	bpr	112	int use_pattern = 0; /* used in drag&drop library: grid=2,hatch=3,diamond=4,dot=5*/
11006	schaersvoo	113	int canvas_type = DRAG_CANVAS; /* to use a specific canvas for filling etc */
7614	schaersvoo	114	int pixelsize = 1;
		115	int reply_format = 0;
		116	int input_cnt = 0;
		117	int ext_img_cnt = 0;
11763	schaersvoo	118	int fill_cnt = 0;
14086	bpr	119	int font_size = 12;/* this may lead to problems when using something like <code>fontfamily Italic 24px Ariel</code> the ''fontsize`` value is not substituted into fontfamily !! */
8388	schaersvoo	120	int fly_font_size = 12; /fly_font_size is relative to this... /
14066	bpr	121	int dashtype[2] = { 4 , 4 }; /* just line_px and space_px: may have more arguments...if needed in future */
		122	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis: only once per object type */
7614	schaersvoo	123	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
8365	schaersvoo	124	int arrow_head = 8; /* size in px needed for arrow based userdraw: "userdraw arrow,color" */
7833	schaersvoo	125	int crosshair_size = 5; /* size in px*/
8365	schaersvoo	126	int plot_steps = 250;/* the js-arrays with x_data_points and y_data_points will have size 250 each: use with care !!! use jscurve when precise plots are required */
14066	bpr	127	int found_size_command = 0; /* 1 = found size ; 2 = found xrange; 3 = found yrange: just to flag an error message */
8448	schaersvoo	128	int click_cnt = 0; /counter to identify the "onclick" ojects ; 0 is first object set onclick: reply[click_cnt]=1 when clicked ; otherwise reply[click_cnt]=0 ; click_cnt is only increased when another object is set again /
7614	schaersvoo	129	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		130	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
7989	schaersvoo	131	int barchart_cnt = 0; /* identifier for command 'barchart' ; multiple charts may be plotted in a single plot*/
9433	schaersvoo	132	int boxplot_cnt = 0;
11890	schaersvoo	133	int numberline_cnt = 0;
7956	schaersvoo	134	int legend_cnt = -1; /* to allow multiple legends to be used, for multiple piecharts etc */
8074	schaersvoo	135	int reply_precision = 100; /* used for precision of student answers / drawings */
7614	schaersvoo	136	double angle = 0.0;
10953	bpr	137	char *rotation_center = "null";
11893	schaersvoo	138	int use_animate = 0; /* used for jscurve / js parametric */
7823	schaersvoo	139	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
10953	bpr	140	int use_slider_display = 0; /* in case of a slider, should we display its value ?*/
8365	schaersvoo	141	size_t string_length = 0; /* measure the size of the user input fly-string */
		142	double stroke_opacity = 0.8; /* use some opacity as default */
14208	schaersvoo	143	double fill_opacity = 0.5;/* use some opacity as default */
7614	schaersvoo	144	char *URL = "http://localhost/images";
9213	schaersvoo	145	char *slider_function_x = "x";
		146	char *slider_function_y = "y";
7614	schaersvoo	147	memset(buffer,'\0',MAX_BUFFER);
		148	void *tmp_buffer = "";
		149	/* default writing a unzipped js-include file into wims getfile directory */
		150	char *w_wims_session = getenv("w_wims_session");
12104	schaersvoo	151	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");}
7614	schaersvoo	152	int L0=strlen(w_wims_session) + 21;
		153	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		154	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		155	mode_t process_mask = umask(0); /* check if file exists */
		156	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		157	if( result == 0 \|\| errno == EEXIST ){
		158	umask(process_mask); /* be sure to set correct permission */
8224	bpr	159	char *w_session = getenv("w_session");
7614	schaersvoo	160	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
12104	schaersvoo	161	getfile_cmd = my_newmem(L1); /* create memory to fit string precisely */
8224	bpr	162	snprintf(getfile_cmd,L1,"wims.cgi?session=%s&cmd=getfile&special_parm=%d.js",w_session,canvas_root_id);/* extension ".gz" is MANDATORY for webserver */
13306	obado	163	/* write the include tag to html page:<script src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
7614	schaersvoo	164	/* now write file into getfile dir*/
14066	bpr	165	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims": we need absolute path for location */
7614	schaersvoo	166	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		167	char location = my_newmem(L2); / create memory to fit string precisely */
		168	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		169	js_include_file = fopen(location,"w");/* open the file location for writing */
14066	bpr	170	/* check on opening...if nogood: mount readonly? disk full? permissions not set correctly? */
		171	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN: could not write to javascript include file...check your system logfiles !" );}
14227	schaersvoo	172	char *user_agent = getenv("HTTP_USER_AGENT");
14230	schaersvoo	173	int browser_type = 1;/* GECKO */
14227	schaersvoo	174	if( (strcasestr(user_agent,"khtml" ) != NULL) \|\| (strcasestr(user_agent,"opera" ) != NULL) \|\| (strcasestr(user_agent,"trident" ) != NULL) ){ browser_type = 0; }
7614	schaersvoo	175
		176	/* ----------------------------------------------------- */
11997	schaersvoo	177
7614	schaersvoo	178	/* while more lines to process */
		179
		180	while(!finished){
9329	schaersvoo	181	if(line_number>1 && found_size_command == 0 && use_tooltip != 2 ){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
7614	schaersvoo	182	type = get_token(infile);
		183	done = FALSE;
		184	/*
9385	schaersvoo	185	@ canvasdraw
14162	bpr	186	@ will try use the same syntax as@ general syntax <ul><li>The transparency of all objects can be controlled by command <a href="#opacity">opacity [0-255],[0,255]</a></il><li>line width of any object can be controlled by command <a href="#linewidth">linewidth int</a></li><li>any may be dashed by using keyword <a href="#dashed">dashed</a> before the object command.<br />the dashing type can be controled by command <a href="#dashtype">dashtype int,int</a></li><li>a fillable object can be set fillable by starting the object command with an ''f`` (like frect,fcircle,ftriangle...)<br />or by using the keyword <a href="#filled">filled</a> before the object command.<br />The fill colour of ''non_userdraw`` objects will be the stroke colour...(flydraw harmonization 19/10/2013)<br />non-solid filling (grid,hatch,diamond,dot,text) is provided using command <a href="#fillpattern">fillpattern a_pattern</a><br />for <a href="#filltoborder">filltoborder x0,y0,color</a> or <a href="#filltoborder">fill x0,y0,color</a> type filling (eg fill a region around x0,y0 with color until a border is encountered),<br />there are non-solid pattern fill analogues:<ul><li><a href="#gridfill">gridfill x,y,dx,dy,color</a></li><li><a href="#hatchfill">hatchfill x,y,dx,dy,color</a></li><li><a href="#diamondfill">diamondfill x,y,dx,dy,color</a></li><li><a href="#dotfill">dotfill x,y,dx,dy,color</a></li><li><a href="#textfill">textfill x,y,color,sometext_or_char</a></li></ul></li><li>all draggable objects may have a <a href="#slider">slider</a> for translation / rotation; several objects may be translated / rotated by a single slider</li> <li> a draggable object can be set draggable by a preceding command <a href="#drag">drag x/y/xy</a><br />The translation can be read by javascript:read_dragdrop();The replyformat is: object_number : x-orig : y-orig : x-drag : y-drag<br />The x-orig/y-orig will be returned in maximum precision (javascript float)...<br />the x-drag/y-drag will be returned in defined ''precision`` number of decimals<br />Multiple objects may be set draggable / clickable (no limit)<br /> not all flydraw objects may be dragged / clicked<br />Only draggable / clickable objects will be scaled on <a href="#zoom">zoom</a> and will be translated in case of panning</li><li> a ''onclick object`` can be set ''clickable`` by the preceding keyword <a href="#onclick">onclick</a><br />not all flydraw objects can be set clickable</li><li><b>remarks using a '';`` as command separator</b><br />commands with only numeric or colour arguments may be using a '';`` as command separator (instead of a new line)<br />commands with a string argument may not use a '';`` as command separator !<br />these exceptions are not really straight forward... so keep this in mind.</li><li>almost every <a href="#userdraw">userdraw object,color</a> or <a href="#multidraw">multidraw</a> command <code>family</code> may be combined with keywords <a href="#snaptogrid">"snaptogrid \| xsnaptogrid \| ysnaptogrid \| snaptofunction</a> or command <code>snaptopoints x1,y1,x2,y2,...</code></li><li>every draggable \| onclick object may be combined with keywords <a href="#snaptogrid">snaptogrid \| xsnaptogrid \| ysnaptogrid \| snaptofunction</a> or command <code>snaptopoints x1,y1,x2,y2,...</code></li><li>almost every command for a single object has a multiple objects counterpart:<br /><ul>general syntax rule:<li><code>single_object x1,y1,...,color</code></li><li><code>multi_object color,x1,y1,...</code></li></ul><li>All inputfields or textareas generated, can be styled individually using command <a href="#inputstyle">inputstyle some_css</a><br/>the fontsize used for labeling these elements can be controlled by command <a href="#fontsize">fontsize int</a> <br />command <code>fontfamily</code> is <b>not</b> active for these elements</li></ul>
14078	bpr	187	@ If needed multiple interactive scripts may be used in a single webpage.<br />A function <code>read_canvas()</code> and / or <code>read_dragdrop()</code> can read all interactive userdata from these images.<br />The global array <code>canvas_scripts</code> will contain all unique random "canvas_root_id" of the included scripts.<br />The included local javascript "read" functions ''read_canvas%d()`` and ''read_dragdrop%d()`` will have this ''%d = canvas_root_id``<br />e.g. canvas_scripts[0] will be the random id of the first script in the page and will thus provide a function<br /><code>fun = eval("read_canvas"+canvas_scripts[0])</code> to read user based drawings / inputfield in this first image.<br />The read_dragdrop is analogue.<br />If the default reply formatting is not suitable, use command <a href='#replyformat'>replyformat</a> to format the replies for an individual canvas script,<br />To read all user interactions from all included canvas scripts, use something like:<br /><code>function read_all_canvas_images(){<br /> var script_len = canvas_scripts.length;<br /> var draw_reply = "";<br /> var found_result = false;<br /> for(var p = 0 ; p < script_len ; p++){<br />  var fun = eval("read_canvas"+canvas_scripts[p]);<br />  if( typeof fun === 'function'){<br />   var result = fun();<br />   if( result  && result.length != 0){<br />    if(script_len == 1 ){ return result;};<br />     found_result = true;<br />     draw_reply = draw_reply + result + "\\n" flydraw or svgdraw to paint a html5 bitmap image<br />by generating a tailor-made javascript include file: providing only the js-functionality needed to perform the job.<br />thus ensuring a minimal strain on the client browser <br />(unlike some popular ''canvas-do-it-all`` libraries, who have proven to be not suitable for low-end computers found in schools...) ;<br />    };<br />   };<br />  };<br /> if( found_result ){return draw_reply;}else{return null;};<br />};</code>
11006	schaersvoo	188	@ you can check the javascript reply format in the wims tool <a href="http://localhost/wims/wims.cgi?lang=en&module=tool/directexec">direct exec</a>
14078	bpr	189	@ for usage within OEF (without anstype ''draw``), something like this (a popup function plotter) will work:<br /><code>\\text{popup_grapher=wims(exec canvasdraw <br />popup<br />size 400,400<br />xrange -10,10<br />yrange -10,10<br />axis<br />axisnumbering<br />opacity 100,100<br />grid 2,2,grey,2,2,6,black<br />snaptogrid<br />linewidth 2<br />jsplot red,5*sin(1/x)<br />strokecolor green<br />functionlabel f(x)=<br />userinput function<br />mouse blue,22<br />)<br />}<br />\\statement{<br />\\popup_grapher<br />}</code>
14071	bpr	190	@ be aware that older browsers will probably not work correctly<br />no effort has been undertaken to add glue code for older browsers !! <br />in any case it is not wise to use older browsers...not just for canvasdraw
10827	schaersvoo	191	@ if you find flaws, errors or other incompatibilities -not those mentioned in this document- send <a href='mailto:jm.evers-at-schaersvoorde.nl'>me</a> an email with screenshots and the generated javascript include file.
14066	bpr	192	@ there is limited support for touch devices: touchstart,touchmove and touchend in commands <a href="#userdraw">userdraw primitives </a>, <a href="#protractor">protractor</a> and <a href="#ruler">ruler</a><br />only single finger gestures are supported (for now)<br />for more accurate user-interaction (numeric, eg keyboard driven drawings) with canvasdraw on touch devices: use the command family <a href="#userinput_xy">userinput</a>
7614	schaersvoo	193	*/
		194	switch(type){
		195	case END:
		196	finished = 1;
		197	done = TRUE;
		198	break;
		199	case 0:
		200	sync_input(infile);
		201	break;
12063	schaersvoo	202
		203	case CENTERED:
		204	use_offset = 4;
		205	/*
		206	@ centered
		207	@ keyword ; to place the text centered (in width and height) on the text coordinates(x:y)
14071	bpr	208	@ may be used for text exactly centered on its (x;y)
12063	schaersvoo	209	@ use <a href="#fontfamily">fontfamily</a> for setting the font
14071	bpr	210	@ may be active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the ''drag/drop/onclick-library``)
12107	schaersvoo	211	@%centered%size 400,400%xrange -10,10%yrange -10,10%fontfamily 12pt Ariel%string blue,-9,-9,no offset%point -9,-9,red%centered%string blue,-6,-6,centered%point -6,-6,red%xoffset%string blue,-3,-3,xoffset%point -3,-3,red%yoffset%string blue,0,0,yoffset%point 0,0,red%xyoffset%string blue,3,3,xyoffset%point 3,3,red%resetoffset%string blue,6,6,resetoffset%point 6,6,red
12063	schaersvoo	212	*/
		213	break;
		214
7614	schaersvoo	215	case COMMENT:
		216	sync_input(infile);
		217	break;
11806	schaersvoo	218	case AFFINE:
7614	schaersvoo	219	/*
11806	schaersvoo	220	@ affine a,b,c,d,tx,ty
		221	@ defines a transformation matrix for subsequent objects
13957	schaersvoo	222	@ follows the HTML5 / Canvas transformation standards<br />note: images drawn by setting skew params a & d will thus be very different from Flydraw's "affine a,b,c,d,e,tx,ty" !!
14066	bpr	223	@ use keyword <a href='#killaffine'>killaffine</a> to end the transformation...the next objects will be drawn in the original x/y-range
14071	bpr	224	@ note 1: only ''draggable`` / ''onclick`` type of objects (e.g. objects in the ''drag/drop/onclick-library``) can be transformed.
		225	@ note 2: do not use <code>onclick</code> or <code>drag xy</code> with tranformation / rotation objects: the mouse coordinates do not get transformed (yet)
11806	schaersvoo	226	@ note 3: no matrix operations on the transformation matrix implemented (yet)
14066	bpr	227	@ a: Scales the drawings horizontally
		228	@ b: Skews the drawings horizontally
		229	@ c: Skews the drawings vertically
		230	@ d: Scales the drawings vertically
11806	schaersvoo	231	@ tx: Moves the drawings horizontally in xrange coordinate system
		232	@ ty: Moves the drawings vertically in yrange coordinate system
14078	bpr	233	@ the data precision may be set by preceding command ''precision int``
12107	schaersvoo	234	@%affine%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%fcircle 5,5,40,blue%affine 1,0,0,1,-10,-10%fcircle 5,5,40,green
7614	schaersvoo	235	*/
11806	schaersvoo	236	for(i = 0 ; i<6;i++){
7614	schaersvoo	237	switch(i){
11806	schaersvoo	238	case 0: double_data[0] = get_real(infile,0);break;
		239	case 1: double_data[1] = get_real(infile,0);break;
		240	case 2: double_data[2] = get_real(infile,0);break;
		241	case 3: double_data[3] = get_real(infile,0);break;
		242	case 4: double_data[4] = get_real(infile,0);break;
		243	case 5: double_data[5] = get_real(infile,1);
		244	use_affine = TRUE;
		245	decimals = find_number_of_digits(precision);
14208	schaersvoo	246	string_length = 1 + snprintf(NULL,0, "[%.f,%.f,%.f,%.f,%.f,%.f] ",decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4]xsize/(xmax - xmin),decimals,-1double_data[5]*ysize/(ymax - ymin));
		247	check_string_length(string_length);affine_matrix = my_newmem(string_length);
11806	schaersvoo	248	snprintf(affine_matrix,string_length,"[%.f,%.f,%.f,%.f,%.f,%.f] ",decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4]xsize/(xmax - xmin),decimals,-1double_data[5]*ysize/(ymax - ymin));
		249	break;
7614	schaersvoo	250	default: break;
		251	}
		252	}
11806	schaersvoo	253	break;
8386	schaersvoo	254
11806	schaersvoo	255	case ANGLE:
7614	schaersvoo	256	/*
11806	schaersvoo	257	@ angle xc,yc,width,start_angle,end_angle,color
		258	@ width is in x-range
14208	schaersvoo	259	@ angles are in degrees
		260	@ not compatible with ''flydraw``
11806	schaersvoo	261	@ will zoom in/out
14208	schaersvoo	262	@ if angle size is controlled by command <a href='#slider'>slider</a>, use radians to set limits of slider
		263	@ in case of a slider, command ''angle`` is always active ,controlled by the previous slider.
12110	schaersvoo	264	@%angle%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor orange%angle 0,0,4,10,135,blue
14208	schaersvoo	265	@%angle_slider%size 400,400%xrange -10,10%yrange -10,10%# click on the arrow to activate slider%grid 1,1,grey%linewidth 3%fillcolor black%strokecolor yellow%rotationcenter 0,0%fontsize 24%centerstring red,8,click on the arrow to activate slider%slider -pi,pi,400,30,angle degrees,Rotate arrow%arrow 0,0,8,0,8,blue%fillpattern diamond%angle 0,0,4,0,0,red
7614	schaersvoo	266	*/
11806	schaersvoo	267	for(i=0;i<7;i++){
7614	schaersvoo	268	switch(i){
11806	schaersvoo	269	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		270	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
14208	schaersvoo	271	case 2:double_data[2] = get_real(infile,0);break; /* width x-range ! */
		272	case 3:double_data[3] = 0.0174532925(get_real(infile,0));break; / start angle in degrees -> radians */
		273	case 4:double_data[4] = 0.0174532925(get_real(infile,0));break; / end angle in degrees -> radians */
11806	schaersvoo	274	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		275	decimals = find_number_of_digits(precision);
14208	schaersvoo	276	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,17,[%.f,%.f],[%.f,%.f],[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[2],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	277	reset();
		278	break;
7614	schaersvoo	279	}
		280	}
14208	schaersvoo	281	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
		282	/* click_cnt++;*/
		283
7614	schaersvoo	284	break;
8386	schaersvoo	285
11806	schaersvoo	286	case ANIMATE:
7614	schaersvoo	287	/*
11930	schaersvoo	288	@ animate
11893	schaersvoo	289	@ keyword
14071	bpr	290	@ the animated point is a filled rectangle ; adjust colour with command <code>fillcolor colorname/hexnumber</code>
11893	schaersvoo	291	@ use linewidth to adjust size of the points
14078	bpr	292	@ will animate a point on -only- the next <a href='#jsplot'>jsplot/jscurve command</a>. Only a single call to <code>animate</code> is allowed...in case of multiple <code>animate</code> keywords, only the last one is valid
13957	schaersvoo	293	@ only usable for command jsplot (normal functions or parametric)<br />no other object/thing can be animated -for now
		294	@ moves repeatedly from <a href='#xrange'>xmin to xmax</a> or in case of a parametric function from <a href='#trange'>tmin to tmax</a>
		295	@ use commands <a href='#multilinewidth'>multilinewidth</a>, <a href='#multistrokecolor'>multistrokecolor</a> etc in case of multiple animated functions.<br/ >use multiple functions as argument in a single call to <a href='#jsplot'>jsplot color,fun1,fun2,fun3...fun_n</a>
13939	bpr	296	@%animate_1%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 100%linewidth 4%fillcolor red%animate%trange -2pi,2pi%linewidth 1%opacity 255,50%canvastype 100%fill 1.2,1.2,red%canvastype 101%fill -1.2,-1.2,blue%jsplot blue,7cos(x),5sin(2*x)
		297	@%animate_2%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 100%linewidth 4%fillcolor red%animate%trange -2pi,2pi%linewidth 1%opacity 255,50%canvastype 100%fill 1.2,1.2,red%canvastype 101%fill -1.2,-1.2,blue%multistrokecolors blue,blue,green,green,orange,orange%multilinewidth 2,2,3,3,1,1%jsplot blue,7cos(x),5sin(2x),9sin(x),5*cos(x),x^2,x
7614	schaersvoo	298	*/
13512	schaersvoo	299	use_animate++;
		300	if( use_animate == 1 ){
		301	fprintf(js_include_file,"\nvar trace_canvas = create_canvas%d(%d,xsize,ysize);\
		302	var trace_ctx = trace_canvas.getContext('2d');\
		303	trace_ctx.fillStyle = 'rgba(%s,%f)';\
		304	trace_ctx.strokeStyle = 'rgba(%s,%f)';\
		305	trace_ctx.lineWidth = %d;var anim_pos = 0;\n\
		306	function animate_this(){\
		307	var sync;\
		308	var synchrone = Math.floor(animation_steps/animation_funs);\
		309	trace_ctx.clearRect(0,0,xsize,ysize);\
		310	for(var p=0; p<animation_funs;p++){\
		311	sync = p*synchrone;\
		312	trace_ctx.fillRect(x_anim_points[sync+anim_pos]-%d, y_anim_points[sync+anim_pos]-%d,%d,%d);\
		313	};\
		314	setTimeout(function(){\
		315	requestAnimationFrame(animate_this); anim_pos++;}, 50\
		316	);\
		317	if(anim_pos >= animation_steps){anim_pos = 0;};\
		318	};",canvas_root_id,ANIMATE_CANVAS,fill_color,fill_opacity,stroke_color,stroke_opacity,line_width,line_width,line_width,2line_width,2line_width);
		319	}
		320	else
		321	{
13514	schaersvoo	322	canvas_error("animate can only be used once<br />multiple curves may be animated using something like:<br />jsplot red,sin(x),cos(x),x^2,sin(2*x)");
13512	schaersvoo	323	}
7614	schaersvoo	324	break;
8386	schaersvoo	325
11806	schaersvoo	326	case ARC:
7614	schaersvoo	327	/*
11997	schaersvoo	328	@ arc xc,yc,x-width,y-height,start_angle,end_angle,color
14208	schaersvoo	329	@ can not be set ''onclick`` or ''drag xy``
		330	@ compatible with ''flydraw``
		331	@ attention: width & height in x/y-range
		332	@ better use command <a href='#angle'>angle</a> for use with a <a href='#slider'>slider</a>
12110	schaersvoo	333	@%arc%size 400,400%xrange -10,10%yrange -10,10%arc 0,0,4,4,10,135,red%zoom blue
13961	schaersvoo	334	@%arc_filled%size 400,400%xrange -10,10%yrange -10,10%opacity 255,60%filled%fillcolor green%arc 0,0,4,4,10,135,red
7614	schaersvoo	335	*/
11806	schaersvoo	336	for(i=0;i<7;i++){
		337	switch(i){
		338	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		339	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		340	case 2:double_data[2] = get_real(infile,0);break; /* width x-range no pixels ! */
		341	case 3:double_data[3] = get_real(infile,0);break; /* height y-range no pixels ! */
		342	case 4:double_data[4] = get_real(infile,0);break; /* start angle in degrees */
		343	case 5:double_data[5] = get_real(infile,0);break; /* end angle in degrees */
		344	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		345	/* in Shape library:
		346	x[0] = x[1] = xc = double_data[0]
		347	y[0] = y[1] = yc = double_data[1]
		348	w[0] = width = double_data[2]
		349	w[1] = height = double_data[3]
		350	h[0] = start_angle = double_data[4]
		351	h[1] = end_angle = double_data[5]
		352	*/
		353	decimals = find_number_of_digits(precision);
14208	schaersvoo	354	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,12,[%.f,%.f],[%.f,%.f],[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],decimals,double_data[5],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	355	reset();
		356	break;
		357	}
14208	schaersvoo	358	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
		359	/* click_cnt++;*/
		360
11806	schaersvoo	361	}
7614	schaersvoo	362	break;
11806	schaersvoo	363	case ARROW:
7614	schaersvoo	364	/*
11806	schaersvoo	365	@ arrow x1,y1,x2,y2,h,color
14071	bpr	366	@ alternative: <code>vector</code>
11806	schaersvoo	367	@ draw a single headed arrow / vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
14077	bpr	368	@ use command <code>linewidth int</code> to adjust thickness of the arrow
9406	schaersvoo	369	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
13957	schaersvoo	370	@%arrow_drag%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 2%drag xy%arrow 0,0,4,3,8,blue%drag xy%arrow 0,0,-4,3,8,green%drag xy%arrow 0,0,4,-3,8,orange%drag xy%arrow 0,0,-4,-3,8,cyan
		371	@%arrow_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%%onclick%arrow 0,0,4,4,8,blue%onclick%arrow 0,0,-4,5,8,green%onclick%arrow 0,0,4,-6,8,orange%onclick%arrow 0,0,-4,-2,8,cyan
7614	schaersvoo	372	*/
11806	schaersvoo	373	for(i=0;i<6;i++){
7614	schaersvoo	374	switch(i){
		375	case 0: double_data[0] = get_real(infile,0);break; /* x */
		376	case 1: double_data[1] = get_real(infile,0);break; /* y */
11806	schaersvoo	377	case 2: double_data[2] = get_real(infile,0);break; /* x */
		378	case 3: double_data[3] = get_real(infile,0);break; /* y */
		379	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		380	case 5: stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	381	decimals = find_number_of_digits(precision);
14208	schaersvoo	382	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,8,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		383	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	384	/* click_cnt++;*/
		385	reset();
		386	break;
		387	}
		388	}
		389	break;
8386	schaersvoo	390
11806	schaersvoo	391	case ARROWS:
7614	schaersvoo	392	/*
11806	schaersvoo	393	@ arrows color,head (px),x1,y1,x2,y2...x_n,y_n
14071	bpr	394	@ alternative: <code>vectors</code>
11806	schaersvoo	395	@ draw single headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
14071	bpr	396	@ use command <code>linewidth int</code> to adjust thickness of the arrow
11806	schaersvoo	397	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
13957	schaersvoo	398	@%arrows_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%arrows red,8,0,0,4,3,0,0,2,4,0,0,-2,4,0,0,-3,-4,0,0,3,-2%
		399	@%arrows_drag%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag xy%arrows red,8,0,0,4,3,0,0,2,4,0,0,-2,4,0,0,-3,-4,0,0,3,-2%
14208	schaersvoo	400	@%arrows_drag_slider%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag xy%# Click arrow(s) to activate %slider 0,2pi,300,30,angle degrees,Rotate%slider -5,5pi,300,30,x display,move in x-direction%slider -10,10*pi,300,30,y display,move in y-direction%arrows red,8,0,0,4,3,0,0,2,4,0,0,-2,4,0,0,-3,-4,0,0,3,-2%
7614	schaersvoo	401	*/
		402	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		403	fill_color = stroke_color;
11806	schaersvoo	404	arrow_head = (int) get_real(infile,0);/* h */
7614	schaersvoo	405	i=0;
		406	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	407	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
7614	schaersvoo	408	if(i%2 == 0 ){
		409	double_data[i] = get_real(infile,0); /* x */
		410	}
		411	else
		412	{
		413	double_data[i] = get_real(infile,1); /* y */
		414	}
		415	i++;
		416	}
		417	decimals = find_number_of_digits(precision);
11806	schaersvoo	418	for(c = 0 ; c < i-1 ; c = c+4){
14208	schaersvoo	419	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,8,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		420	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	421	/* click_cnt++; */
7614	schaersvoo	422	}
		423	reset();
		424	break;
8386	schaersvoo	425
11806	schaersvoo	426	case ARROW2:
7614	schaersvoo	427	/*
11806	schaersvoo	428	@ arrow2 x1,y1,x2,y2,h,color
14071	bpr	429	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color ''color``
		430	@ use command <code>arrowhead int</code> to adjust the arrow head size
		431	@ use command <code>linewidth int</code> to adjust thickness of the arrow
9406	schaersvoo	432	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	433	@%arrow2%size 400,400%xrange -10,10%yrange -10,10%drag xy%arrow2 0,0,4,3,8,blue%
7614	schaersvoo	434	*/
11806	schaersvoo	435	for(i=0;i<6;i++){
7614	schaersvoo	436	switch(i){
		437	case 0: double_data[0] = get_real(infile,0);break; /* x */
		438	case 1: double_data[1] = get_real(infile,0);break; /* y */
11806	schaersvoo	439	case 2: double_data[2] = get_real(infile,0);break; /* x */
		440	case 3: double_data[3] = get_real(infile,0);break; /* y */
		441	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		442	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		443	decimals = find_number_of_digits(precision);
14208	schaersvoo	444	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,10,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		445	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	446	/* click_cnt++;*/
		447	reset();
		448	break;
		449	}
		450	}
		451	break;
8386	schaersvoo	452
11806	schaersvoo	453	case ARROWS2:
7614	schaersvoo	454	/*
11806	schaersvoo	455	@ arrows2 color,head (px),x1,y1,x2,y2...x_n,y_n
14071	bpr	456	@ draw double headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color ''color``
		457	@ use command <code>linewidth int</code> to adjust thickness of the arrows
11806	schaersvoo	458	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
12107	schaersvoo	459	@%arrows2%size 400,400%xrange -10,10%yrange -10,10%onclick%arrows2 red,8,0,0,4,3,1,1,2,4,2,2,-2,4,3,3,-3,-4,0,0,3,-2%
7614	schaersvoo	460	*/
		461	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		462	fill_color = stroke_color;
11806	schaersvoo	463	arrow_head = (int) get_real(infile,0);/* h */
7614	schaersvoo	464	i=0;
		465	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	466	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
7614	schaersvoo	467	if(i%2 == 0 ){
		468	double_data[i] = get_real(infile,0); /* x */
		469	}
		470	else
		471	{
		472	double_data[i] = get_real(infile,1); /* y */
		473	}
		474	i++;
		475	}
8224	bpr	476	decimals = find_number_of_digits(precision);
11806	schaersvoo	477	for(c = 0 ; c < i-1 ; c = c+4){
14208	schaersvoo	478	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,10,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		479	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	480	/* click_cnt++; */
11806	schaersvoo	481
7614	schaersvoo	482	}
		483	reset();
		484	break;
11806	schaersvoo	485	case ARROWHEAD:
9427	schaersvoo	486	/*
11806	schaersvoo	487	@ arrowhead int
		488	@ default 8 (pixels)
9427	schaersvoo	489	*/
11806	schaersvoo	490	arrow_head = (int) (get_real(infile,1));
		491	break;
		492
		493	case AUDIO:
		494	/*
		495	@ audio x,y,w,h,loop,visible,audiofile location
14066	bpr	496	@ x,y: left top corner of audio element (in xrange / yrange)
		497	@ w,y: width and height in pixels
		498	@ loop: 0 or 1 ( 1 = loop audio fragment)
		499	@ visible: 0 or 1 (1 = show controls)
11806	schaersvoo	500	@ audio format may be in .mp3 or .ogg
14066	bpr	501	@ If you are using *.mp3: be aware that FireFox will not (never) play this ! (Pattented format)
		502	@ if you are using *.ogg: be aware that Microsoft based systems not support it natively
11806	schaersvoo	503	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		504	*/
		505	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		506	for(i=0;i<7;i++){
		507	switch(i){
		508	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		509	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		510	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		511	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		512	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		513	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
		514	case 6:
		515	temp = get_string(infile,1);
		516	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		517	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
14208	schaersvoo	518	string_length = 1 + snprintf(NULL,0, "draw_audio(%d,%d,%d,%d,%d,%d,%d,\"%s.ogg\",\"%s.mp3\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],temp,temp);
		519	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	520	snprintf(tmp_buffer,string_length,"draw_audio(%d,%d,%d,%d,%d,%d,%d,\"%s.ogg\",\"%s.mp3\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],temp,temp);
		521	add_to_buffer(tmp_buffer);
		522	break;
		523	default:break;
9427	schaersvoo	524	}
11806	schaersvoo	525	}
		526	reset();
		527	break;
		528
		529
		530	case AXIS_NUMBERING:
		531	/*
		532	@ axisnumbering
		533	@ keyword (no arguments required)
14246	bpr	534	@ for special numbering of x-axis or y-axis see grid related commands <a href="#axis">axis</a> <a href="#xaxis">xaxis</a>, <a href="#xaxisup">xaxisup</a>, <a href="#noxaxis">noxaxis</a>, <a href="#yaxis">yaxis</a>, <a href="#yaxisup">yaxisup</a>, <a href="#noyaxis">noyaxis</a>
11806	schaersvoo	535	@ to be used before command grid (see <a href="#grid">command grid</a>)
		536	*/
11891	schaersvoo	537	use_axis_numbering++;
11806	schaersvoo	538	break;
		539	case AXIS:
		540	/*
		541	@ axis
		542	@ keyword (no arguments required)
		543	@ to be used before command grid (see <a href="#grid">command grid</a>)
		544
		545	*/
		546	use_axis = TRUE;
		547	break;
		548
		549	case BARCHART:
		550	/*
		551	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
14066	bpr	552	@ may <b>only</b> to be used together with command <a href='#grid'>grid</a>
		553	@ can be used together with freestyle x-axis/y-axis texts: see commands <a href='#xaxis'>xaxis</a>,<a href='#xaxisup'>xaxisup</a> and <a href='#yaxis'>yaxis</a>
		554	@ use command <a href='#legend'>legend</a> to provide an optional legend in right-top-corner
11806	schaersvoo	555	@ multiple barchart command may be used in a single script
14066	bpr	556	@ also see command <a href='#piechart'>piechart</a>
		557	@ note: your arguments are not checked by canvasdraw: use your javascript console in case of trouble...
12107	schaersvoo	558	@%barchart%size 400,400%xrange -1,10%yrange -2,14%legend legend Z:legend A:this is B:C:D:E:F:G:H:X%legendcolors green:red:orange:lightblue:cyan:gold:purple:darkred:yellow:lightgreen%xaxis 0:Z:1:A:2:B:3:C:4:D:5:E:6:F:7:G:8:H:9:X%noyaxis%precision 1%fontfamily bold 15px Ariel%grid 1,1,white%barchart 0:5.5:green:2:5.5:red:4:6.5:orange:6:8:lightblue:8:11:cyan:1:5.5:gold:3:9:purple:5:4:darkred:7:7:yellow:9:1:lightgreen%mouse red,14
11806	schaersvoo	559	*/
		560	temp = get_string(infile,1);
		561	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		562	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		563	barchart_cnt++;
		564	reset();
		565	break;
		566
		567	case BEZIER:
		568	/*
		569	@ bezier color,x_start,y_start,x_first,y_first,x_second,y_second,x_end,y_end
		570	@ draw a bezier curve between points, starting from (x_start:y_start)
		571	@ can <b>not</b> be dragged or set onclick
		572	*/
		573	if( js_function[DRAW_BEZIER] != 1 ){ js_function[DRAW_BEZIER] = 1;}
		574	decimals = find_number_of_digits(precision);
		575	for(i = 0 ; i < 9; i++){
		576	switch(i){
		577	case 0: stroke_color = get_color(infile,0);break;
		578	case 1: double_data[0] = get_real(infile,0);break;/* start x */
		579	case 2: double_data[1] = get_real(infile,0);break;/* start y */
		580	case 3: double_data[2] = get_real(infile,0);break;/The x-coordinate of the first B�zier control point /
		581	case 4: double_data[3] = get_real(infile,0);break;/The y-coordinate of the first B�zier control point /
		582	case 5: double_data[4] = get_real(infile,0);break;/The x-coordinate of the second B�zier control point /
		583	case 6: double_data[5] = get_real(infile,0);break;/The y-coordinate of the second B�zier control point /
		584	case 7: double_data[6] = get_real(infile,0);break;/The x-coordinate of the B�zier end point /
		585	case 8: double_data[7] = get_real(infile,1);/The y-coordinate of the B�zier end point /
14208	schaersvoo	586	string_length = 1 + snprintf(NULL,0,"draw_bezier(%d,%d,[%f,%f,%f,%f,%f,%f,%f,%f],\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.2f,%d,%s);",STATIC_CANVAS,line_width,double_data[0],double_data[1],double_data[2],double_data[3],double_data[4],double_data[5],double_data[6],double_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,use_affine,affine_matrix);
		587	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	588	snprintf(tmp_buffer,string_length,"draw_bezier(%d,%d,[%f,%f,%f,%f,%f,%f,%f,%f],\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.2f,%d,%s);",STATIC_CANVAS,line_width,double_data[0],double_data[1],double_data[2],double_data[3],double_data[4],double_data[5],double_data[6],double_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,use_affine,affine_matrix);
		589	add_to_buffer(tmp_buffer);
		590	break;
		591	default: break;
9427	schaersvoo	592	}
		593	}
		594	reset();
		595	break;
11806	schaersvoo	596
		597
		598	case BGCOLOR:
9427	schaersvoo	599	/*
11806	schaersvoo	600	@ bgcolor colorname or #hex
		601	@ use this color as background of the "div" containing the canvas(es)
12110	schaersvoo	602	@%bgcolor%size 400,400%xrange -10,10%yrange -10,10%bgcolor lightblue
9427	schaersvoo	603	*/
11806	schaersvoo	604	/* [255,255,255]*/
		605	bgcolor = get_string(infile,1);
		606	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		607	int found = 0;
		608	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		609	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		610	bgcolor = colors[i].hex;
		611	found = 1;
		612	break;
		613	}
9427	schaersvoo	614	}
14066	bpr	615	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list: use hexcolor...something like #a0ffc4");}
11806	schaersvoo	616	}
13970	obado	617	fprintf(js_include_file,"/* set background color of canvas div */\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
11806	schaersvoo	618	break;
		619
		620	case BGIMAGE:
		621	/*
		622	@ bgimage image_location
14071	bpr	623	@ use an image as background; technical: we use the background of ''canvas_div``
11806	schaersvoo	624	@ the background image will be resized to match "width = xsize" and "height = ysize"
12110	schaersvoo	625	@%bgimage%size 400,400%xrange -10,10%yrange -10,10%bgimage https://wims.unice.fr/wims/gifs/en.gif
11806	schaersvoo	626	*/
		627	URL = get_string(infile,1);
13970	obado	628	fprintf(js_include_file,"/* set background image to canvas div */\ncanvas_div.style.backgroundImage = \"url(%s)\";canvas_div.style.backgroundSize = \"%dpx %dpx\";\n",URL,xsize,ysize);
11806	schaersvoo	629	break;
		630
		631	case BLINK:
		632	/*
		633	@ blink time(seconds)
		634	@ NOT IMPLEMETED -YET
		635	*/
		636	break;
		637
		638	case BOXPLOT:
		639	/*
		640	@ boxplot x_or_y,box-height_or_box-width,position,min,Q1,median,Q3,max
14066	bpr	641	@ example:<br /><code>xrange 0,300<br />yrange 0,10<br />boxplot x,4,8,120,160,170,220,245</code><br />meaning: create a boxplot in x-direction, with height 4 (in yrange) and centered around line y=8
		642	@ example:<br /><code>xrange 0,10<br />yrange 0,300<br />boxplot y,4,8,120,160,170,220,245</code><br />meaning: create a boxplot in y-direction, with width 4 (in xrange) and centered around line x=8
		643	@ use command <a href='#filled'>filled</a> to fill the box<br /><b>note:</b> the strokecolor is used for filling Q1, the fillcolor is used for filling Q3
		644	@ use command <a href='#fillpattern'>fillpattern some_pattern</a> to use a (diamond for Q1, hatch for Q3) pattern.
		645	@ use command <a href='#opacity'>opacity</a> to adjust fill_opacity of stroke and fill colours
14071	bpr	646	@ use command <a href='#legend'>legend</a> to automatically create a legend <br />unicode allowed in legend<br />use command <code>fontfamily</code> to set the font of the legend.
11806	schaersvoo	647	@ there is no limit to the number of boxplots used.
14078	bpr	648	@ can <b>not</b> be set draggable and <a href='#onclick'>onclick</a> is not ready yet
14066	bpr	649	@ use keyword <a href="#userboxplot">userboxplot</a> before command boxplot, if a pupil must draw a boxplot (using his own min,Q1,median,Q3,max data)
		650	@ use keyword <a href="#userboxplotdata">userboxplotdata</a> before command boxplot, if a pupil must generate the data by some means.
		651	@ use command <a href="#boxplotdata">boxplotdata</a> when the boxplot should be drawn from wims-generated raw statistical date
12110	schaersvoo	652	@%boxplot_1%size 400,400%xrange 0,300%yrange 0,10%opacity 120,50%filled%fillcolor orange%strokecolor blue%linewidth 2%boxplot x,4,8,120,160,170,220,245
		653	@%boxplot_2%size 400,400%xrange 0,10%yrange 0,300%opacity 120,50%filled%fillcolor orange%strokecolor blue%linewidth 2%boxplot y,4,8,120,160,170,220,245
13958	schaersvoo	654	@%boxplot_3%size 400,400%xrange 0,100%yrange 0,10%fillpattern hatch%linewidth 3%fillcolor red%strokecolor green%boxplot x,1,2,4,14,27,39,66%strokecolor blue%boxplot x,1,4,15,45,50,66,87%strokecolor red%boxplot x,1,6,45,70,80,90,100%strokecolor orange%boxplot x,1,8,28,38,48,56,77%mouse red,16
11806	schaersvoo	655	*/
		656	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		657	for(i=0;i<8;i++){
		658	switch(i){
		659	case 0: temp = get_string_argument(infile,0);
		660	if( strstr(temp,"x") != 0){int_data[0] = 1;}else{int_data[0] = 0;} break; /* x or y */
		661	case 1: double_data[0] = get_real(infile,0);break;/* height \| width */
		662	case 2:
		663	if( js_function[DRAW_JSBOXPLOT] == 0 ){
		664	double_data[1] = get_real(infile,0);
		665	fprintf(js_include_file,"var boxplot_source = 0;\n");/* we use given min,Q1,median,Q3,max */
		666	}
		667	else
		668	{
		669	double_data[1] = get_real(infile,1);
		670	double_data[2] = 1;
		671	double_data[3] = 1;
		672	double_data[4] = 1;
		673	double_data[5] = 1;
		674	double_data[6] = 1;
		675	double_data[7] = 1;
		676	i=8;
		677	}
		678	break;/* center value x or y */
		679	case 3: double_data[2] = get_real(infile,0); break;/* min */
		680	case 4: double_data[3] = get_real(infile,0); break;/* Q1 */
		681	case 5: double_data[4] = get_real(infile,0); break;/* median */
		682	case 6: double_data[5] = get_real(infile,0); break;/* Q3 */
		683	case 7: double_data[6] = get_real(infile,1); break;/* max */
		684	default:break;
9427	schaersvoo	685	}
		686	}
		687	decimals = find_number_of_digits(precision);
11806	schaersvoo	688	/function draw_boxplot(canvas_type,xy,hw,cxy,data,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1)/
14208	schaersvoo	689	string_length = 1 + snprintf(NULL,0, "draw_boxplot(%d,%d,%.f,%.f,[%.f,%.f,%.f,%.f,%.*f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d);\n",BOXPLOT_CANVAS+boxplot_cnt,int_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],decimals,double_data[5],decimals,double_data[6],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1]);
11806	schaersvoo	690	check_string_length(string_length);
14208	schaersvoo	691	tmp_buffer = my_newmem(string_length);
11806	schaersvoo	692	snprintf(tmp_buffer,string_length, "draw_boxplot(%d,%d,%.f,%.f,[%.f,%.f,%.f,%.f,%.*f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d);\n",BOXPLOT_CANVAS+boxplot_cnt,int_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],decimals,double_data[5],decimals,double_data[6],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1]);
		693	add_to_buffer(tmp_buffer);
		694	boxplot_cnt++;
		695	reset();
		696	break;
		697	case BOXPLOTDATA:
		698	/*
		699	@ boxplotdata some_data
		700	@ 'some_data' are a list of numbers separated by a comma "," (items)
14071	bpr	701	@ only be used before command <code>boxplot</code>: the command <a href="#boxplot">boxplot</a> will provide the boxplot drawing of the data.
11806	schaersvoo	702	@ xrange 0,100<br />yrange 0,10<br />boxplotdata 11,22,13,15,23,43,12,12,14,2,45,32,44,13,21,24,13,19,35,21,24,23<br />boxplot x,4,5
		703	@ note: wims will not check your data input \| format. use js-error console to debug any problems.
14071	bpr	704	@ a javascript function <code>statistics()</code> will parse the data and calculate the values [min,Q1,median,Q3,max] and hand them to the boxplot draw function.
		705	@ only a single call to <code>boxplotdata</code> can be made. If multiple boxplots should be present in a single canvas, then use multiple calls to command <a href='#boxplot'>boxplot</a>
13959	bpr	706	@%boxplotdata%size 400,400%xrange 0,100%yrange 0,10%strokecolor orange%fillpattern hatch%linewidth 3%strokecolor green%boxplotdata 11,22,13,15,23,43,12,12,14,2,45,32,44,13,21,24,13,19,35,21,24,23%boxplot x,2,2%mouse red,16
11806	schaersvoo	707	*/
		708	if( js_function[DRAW_JSBOXPLOT] != 1 ){ js_function[DRAW_JSBOXPLOT] = 1;}
		709	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		710	fprintf(js_include_file,"var boxplot_source = 1;var jsboxplot_data = [%s];\n",get_string(infile,1));
		711
		712	break;
		713
		714	case CANVASTYPE:
		715	canvas_type = (int) (get_real(infile,1));
		716	/*
		717	@ canvastype TYPE
14246	bpr	718	@ for now only useful before commands filltoborder / floodfill / clickfill etc operations<br />Only the images of this TYPE will be scanned and filled
11806	schaersvoo	719	@ default value of TYPE is DRAG_CANVAS e.g. 5 (all clickable / draggable object are in this canvas)
		720	@ use another TYPE, if you know what you are doing...
14246	bpr	721	@ other possible canvasses (transparent PNG pictures xsize x ysize on top of each other)<ul><li> EXTERNAL_IMAGE_CANVAS 0</li><li> BG_CANVAS 1</li><li> STATIC_CANVAS 2</li><li> MOUSE_CANVAS 3</li><li> GRID_CANVAS 4</li><li> DRAG_CANVAS 5</li><li> DRAW_CANVAS 6</li><li> TEXT_CANVAS 7</li><li> CLOCK_CANVAS 8</li><li> ANIMATE_CANVAS 9</li><li> TRACE_CANVAS 10</li><li>BOXPLOT_CANVAS 11</li><li> JSPLOT_CANVAS 100, will increase with every call</li><li> FILL_CANVAS 200, will increase with every call</li><li> USERDRAW_JSPLOT 300, will increase with every call</li><li>CLICKFILL_CANVAS 400, will increase with every call/click</li><li>BOXPLOT_CANVAS 500, will increase with every call</li></ul>
11806	schaersvoo	722	*/
		723	break;
		724
		725	case CENTERSTRING:
		726	/*
		727	@ centerstring color,y-value,the text string
		728	@ title color,y-value,the text string
		729	@ draw a string centered on the canvas at y = y-value
14071	bpr	730	@ can not be set ''onclick`` or ''drag xy`` (...)
14162	bpr	731	@ unicode supported: <code>centerstring red,5,\\u2232</code>
14071	bpr	732	@ use a command like <code>fontfamily italic 24pt Ariel</code> to set fonts on browser that support font change
12110	schaersvoo	733	@%centerstring%size 400,400%xrange -10,10%yrange -10,10%bgcolor lightblue%fontfamily italic 22pt Courier%centerstring blue,7,the center
11806	schaersvoo	734	*/
		735	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		736	for(i=0;i<3;i++){
		737	switch(i){
		738	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		739	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		740	case 2: temp = get_string_argument(infile,1);
		741	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		742	decimals = find_number_of_digits(precision);
14208	schaersvoo	743	string_length = 1 + snprintf(NULL,0,
11806	schaersvoo	744	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
14208	schaersvoo	745	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	746	snprintf(tmp_buffer,string_length,"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		747	add_to_buffer(tmp_buffer);
		748	break;
		749	default:break;
		750	}
9427	schaersvoo	751	}
		752	break;
8386	schaersvoo	753
11806	schaersvoo	754
8386	schaersvoo	755	case CIRCLE:
8299	schaersvoo	756	/*
8386	schaersvoo	757	@ circle xc,yc,width (2*r in pixels),color
14071	bpr	758	@ use command <code>fcircle xc,yc,d,color</code>
9383	schaersvoo	759	@ alternative: disk for a filled circle
14071	bpr	760	@ use command <code>fillcolor color</code> to set the fillcolor
		761	@ may be set <a href='#drag'>draggable</a> / <a href='#onclick'>onclick</a>
8386	schaersvoo	762	@ will shrink / expand on zoom out / zoom in
12110	schaersvoo	763	@%circle%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 255,50%drag xy%circle 0,0,60,red%zoom red
8299	schaersvoo	764	*/
8386	schaersvoo	765	for(i=0;i<4;i++){
		766	switch(i){
		767	case 0: double_data[0] = get_real(infile,0);break; /* x */
		768	case 1: double_data[1] = get_real(infile,0);break; /* y */
14066	bpr	769	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out: radius in 'dx' xrange*/
8386	schaersvoo	770	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		771	decimals = find_number_of_digits(precision);
14208	schaersvoo	772	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],double_data[2],double_data[2],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		773	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8386	schaersvoo	774	/* click_cnt++;*/
		775	reset();
		776	break;
		777	default : break;
		778	}
		779	}
		780	break;
		781
		782	case CIRCLES:
		783	/*
		784	@ circles color,xc1,yc1,r1,xc2,yc2,r2...xc_n,yc_n,r_n
9383	schaersvoo	785	@ <b>attention</b> r = radius in x-range (!)
14071	bpr	786	@ use keyword <code>filled</code> or command <code>fcircles</code> to produce solid circles
14066	bpr	787	@ alternative: disks for filled circles
14071	bpr	788	@ use command <code>fillcolor color</code> to set the fillcolor
		789	@ may be set <a href='#drag'>draggable</a> / <a href='#onclick'>onclick</a> (individually)
8386	schaersvoo	790	@ will shrink / expand on zoom out / zoom in
14208	schaersvoo	791	@%circles_drag%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 255,50%drag xy%circles blue,0,0,2,2,2,3,-3,-3,3,3,3,4,3,-4,2%zoom red
		792	@%circles_onclick%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 255,50%onclick%circles blue,0,0,2,2,2,3,-3,-3,3,3,3,4,3,-4,2%zoom red
		793	@%circles_drag_slider%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag xy%# Click circles(s) to activate%opacity 200,50%fillcolor orange%rotationcenter 2,3%slider 0,2pi,300,30,angle degrees,Rotate%slider -5,5pi,300,30,x display,move in x-direction%slider -10,10*pi,300,30,y display,move in y-direction%fcircles blue,0,0,0.5,2,2,1,-3,-3,1.5,3,3,0.5,3,-4,0.5
8386	schaersvoo	794	*/
8299	schaersvoo	795	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		796	fill_color = stroke_color;
8386	schaersvoo	797	i=1;
8299	schaersvoo	798	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	799	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8386	schaersvoo	800	switch (i%3){
		801	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		802	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		803	case 0:double_data[i-1] = get_real(infile,1);break; /* r */
8299	schaersvoo	804	}
		805	i++;
		806	}
		807	decimals = find_number_of_digits(precision);
8386	schaersvoo	808	for(c = 0 ; c < i-1 ; c = c+3){
14208	schaersvoo	809	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],double_data[c+2],double_data[c+2],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		810	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8386	schaersvoo	811	/* click_cnt++; */
8299	schaersvoo	812	}
		813	reset();
		814	break;
11806	schaersvoo	815	case CLEARBUTTON:
		816	/*
		817	@ clearbutton value
14071	bpr	818	@ alternative: <code>delete</code>
		819	@ alternative: <code>erase</code>
14078	bpr	820	@ adds a button to clear the <a href="#userdraw">userdraw</a> canvas with text ''value``
14246	bpr	821	@ <b>attention</b> command <code>clearbutton</code> is incompatible with <a href="#multidraw">multidraw</a> based drawings<br/>(in <code>multidraw</code> there is always a remove_object_button for every draw primitive)
11806	schaersvoo	822	@ normally <a href="#userdraw">userdraw</a> primitives have the option to use middle/right mouse button on<br /> a point of the object to remove this specific object...this clear button will remove all drawings
14071	bpr	823	@ uses the tooltip placeholder div element: may not be used with command <code>intooltip</code>
14066	bpr	824	@ use command <a href="#inputstyle">inputstyle</a> to style the button...
14071	bpr	825	@ the clearbutton will have id="canvas_scripts[%d]" ; starting with %d=0 for the first script<br />to change the style of all ''clearbutton`` of all included canvasdraw scripts, use something like<br /><code>if(document.getElementById("clearbutton"+canvas_scripts[0])){<br /> var p = 0;<br /> while(document.getElementById("clearbutton"+canvas_scripts[p])){<br />  document.getElementById("clearbutton"+canvas_scripts[p]).className="some_class_name";<br />  <!−−</code> or <code>document.getElementById("clearbutton"+canvas_scripts[p]).setAttribute("style","some_style"); −−><br />  p++;<br /> };<br />};</code>
13935	bpr	826	@%clearbutton%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 255,50%userdraw circles,red%clearbutton Remove All
11806	schaersvoo	827	*/
		828	if(reply_format == 29){/* eg multidraw is selected */
14054	schaersvoo	829	// canvas_error("command clearbutton incompatible with multidraw...only suitable for userdraw");
11806	schaersvoo	830	}
		831	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
		832	break;
8386	schaersvoo	833
11806	schaersvoo	834	case CLOCK:
7614	schaersvoo	835	/*
11806	schaersvoo	836	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
14071	bpr	837	@ use command <code>opacity stroke-opacity,fill-opacity</code> to adjust foreground (stroke) and background (fill) transparency
14066	bpr	838	@ type hourglass:<br />type = 0: only segments<br />type = 1: only numbers<br />type = 2: numbers and segments
11806	schaersvoo	839	@ colors are optional: if not defined, default values will be used<br />default colours: clock 0,0,60,4,35,45,1,2<br />custom colours: clock 0,0,60,4,35,45,1,2,,,,yellow,red<br />custom colours: clock 0,0,60,4,35,45,1,2,white,green,blue,black,yellow
		840	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
14162	bpr	841	@ interactive <ul><li>0: not interactive, just clock(s)</li><li>1: function read_canvas() will read all active clocks in H:M:S format<br />The active clock(s) can be adjusted by pupils</li><li>2: function read_canvas() will return the clicked clock <br />(like multiplechoice; first clock in script in nr. 0 )</li><li>3: no prefab buttons...create your own buttons (or other means) to make the clock(s) adjustable by javascript function set_clock(num,type,diff)<br />wherein: num = clock id (starts with 0) ; type = 1 (hours) ; type = 2 (minutes) ; type = 3 (seconds) <br />and diff = the increment of 'type' (positive or negative)</li></ul>
11806	schaersvoo	842	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		843	@ no combinations with other reply_types allowed, for now
14077	bpr	844	@ if interactive is set to ''1``, 6 buttons per clock will be displayed for adjusting a clock (H+ M+ S+ H- M- S-)<br /> set_clock(clock_id,type,incr) <br />first clock has clock_id=0 ; type: H=1,M=2,S=3 ; incr: increment integer
		845	@ note: if you need multiple -interactive- clocks on a webpage, use multiple ''clock`` commands in a single script !<br />and <i>not multiple canvas scripts</i> in a single page
14066	bpr	846	@ note: clocks will not zoom or pan, when using command <a href='#zoom'>zoom</a>
12110	schaersvoo	847	@%clock_1%size 400,400%xrange -10,10%yrange -10,10%clock 0,0,120,4,35,45,0,0,red,green,blue,lightgrey,black
		848	@%clock_2%size 400,400%xrange -10,10%yrange -10,10%clock 0,0,120,4,35,45,1,1,red,green,blue,lightgrey,black
		849	@%clock_3%size 400,400%xrange -10,10%yrange -10,10%clock -5,0,80,4,35,45,2,2,red,green,blue,lightgrey,black%clock 5,0,80,3,15,65,2,2,red,green,blue,lightgrey,black
		850	@%clock_4%size 400,400%xrange -10,10%yrange -10,10%clock 0,0,120,4,35,45,0,0,red,green,blue,lightgrey,black
		851	@%clock_5%size 400,400%xrange -10,10%yrange -10,10%clock 0,0,120,4,35,45,1,1,red,green,blue,lightgrey,black
		852	@%clock_6%size 400,400%xrange -10,10%yrange -10,10%clock -5,0,80,4,35,45,2,2,red,green,blue,lightgrey,black%clock 5,0,80,8,55,15,2,2,red,green,blue,lightgrey,black
		853	@%clock_7%size 400,400%xrange -10,10%yrange -10,10%clock 0,0,120,4,35,45,2,0,red,green,blue,lightgrey,black
7614	schaersvoo	854	*/
11806	schaersvoo	855	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		856
		857	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		858	for(i=0;i<9;i++){
		859	switch(i){
		860	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		861	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		862	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		863	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		864	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		865	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
		866	case 6: int_data[6] = get_real(infile,0);if(int_data[6] < 0 \|\| int_data[6] > 2){canvas_error("hourglass can be 0,1 or 2");}break;/* type hourglass */
		867	case 7: int_data[7] = (int)(get_real(infile,1));/* interactive 0,1,2*/
		868	switch(int_data[7]){
		869	case 0:break;
		870	case 1:if(clock_cnt == 0){
		871	if( reply_format == 0 ){
		872	reply_format = 18; /* user sets clock */
14208	schaersvoo	873	/* string_length = 1 + snprintf(NULL,0,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
		874	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	875	snprintf(tmp_buffer,string_length,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
		876	add_to_buffer(tmp_buffer);
		877	*/
		878	fprintf(js_include_file,"set_clock = function(num,type,diff){if(wims_status == \"done\"){return;};var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = new clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
		879	}
		880	else
		881	{
		882	canvas_error("interactive clock may not be used together with other reply_types...");
		883	}
		884	}
		885	fprintf(stdout,"<p style=\"text-align:center\"><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><br /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S−\" /></p>",input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt);
		886	break;
		887	case 3:if(clock_cnt == 0){
		888	if( reply_format == 0 ){
		889	reply_format = 18; /* user sets clock */
		890	fprintf(js_include_file,"set_clock = function(num,type,diff){if(wims_status == \"done\"){return;};var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = new clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,1,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
		891	}
		892	else
		893	{
		894	canvas_error("interactive clock may not be used together with other reply_types...");
		895	}
		896	}
		897	/*
		898	fprintf(stdout,"<p style=\"text-align:center\"><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><br /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S−\" /></p>",input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt);
		899	*/
		900	break;
		901	case 2:if( reply_format == 0 ){
		902	reply_format = 19; /* "onclick */
13970	obado	903	fprintf(js_include_file,"\n/* begin onclick handler for clocks */\nvar reply = new Array();canvas_div.addEventListener( 'mousedown', user_click,false);\n\nfunction user_click(evt){if(evt.which == 1){var canvas_rect = clock_canvas.getBoundingClientRect();var x = evt.clientX - canvas_rect.left;var y = evt.clientY - canvas_rect.top;var p = 0;var name;var t = true;while(t){try{name = eval('clocks'+p);if( x < name.xc + name.radius && x > name.xc - name.radius ){if( y < name.yc + name.radius && y > name.yc - name.radius ){reply[0] = p;name = new clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,\"lightblue\",name.fg_color);};}else{clock_ctx.clearRect(name.xc-name.radius,name.yc-name.radius,name.xc+name.radius,name.yc+name.radius);name = new clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};p++;}catch(e){t=false;};};};};\n");
11806	schaersvoo	904	}
		905	else
		906	{
		907	if( reply_format != 19){
		908	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		909	}
		910	}
		911	break;
		912	default: canvas_error("interactive must be set 0,1 or 2");break;
		913	}
		914	break;
		915	case 8:
14078	bpr	916	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock(), for now it's OK */
11806	schaersvoo	917	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		918	}
		919	temp = get_string(infile,3);/* optional colors, like: ,,red,,blue*/
		920	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		921	else{
		922	/* h_color,m_color,s_color,bg_color,fg_color */
11991	schaersvoo	923	temp = ",black\",\"black\",\"black\",\"white\",\"black";}
14208	schaersvoo	924	string_length = 1 + snprintf(NULL,0,"clocks%d = new clock(%d,%d,%d,%d,%d,%d,%d,%d,\"%s\");\n",clock_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],temp);
		925	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	926	snprintf(tmp_buffer,string_length,"clocks%d = new clock(%d,%d,%d,%d,%d,%d,%d,%d,\"%s\");\n",clock_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],temp);
		927	add_to_buffer(tmp_buffer);
		928	fprintf(js_include_file,"var clocks%d;",clock_cnt);
		929	clock_cnt++;
		930	break;
		931	default:break;
		932	}
		933	}
		934	break;
		935
		936
		937	case COLORPALETTE:
		938	/*
		939	@ colorpalette color_name_1,color_name_2,...,color_name_8
		940	@ opacity will be the same for all colors and is set by command <a href="#opacity">opacity [0-255],[0-255]</a>
14066	bpr	941	@ can be used with command <a href='#userdraw'>userdraw clickfill,color</a> when more than one fillcolor is wanted.<br />in that case use for example <a href='#replyformat'>replyformat 10</a> ... reply=x1:y1:color1,x2:y2:color2...<br />the pupil can choose from the given colors by clicking small coloured buttons.<br /> the click coordinates and corresponding fillcolor will be stored in read_canvas()...when using the appropriate replyformat.<br />the first color of the palette is color=0
14077	bpr	942	@ make sure to include the ''remove button`` by using command <a href='#clearbutton'>clearbutton some_text</a>
11806	schaersvoo	943	*/
		944	if( use_tooltip == 1 ){canvas_error("command 'colorpalette' is incompatible with command 'intooltip tip_text'");}
		945	fprintf(js_include_file,"var multifillcolors = [];var palettecolors = [");
		946	while( ! done ){
		947	temp = get_color(infile,1);
		948	fprintf(js_include_file,"\"%s\",",temp);
		949	}
		950	fprintf(js_include_file,"];");/* add black to avoid trouble with dangling comma... */
		951	add_color_palette(js_include_file,canvas_root_id,input_style);
		952	break;
13829	bpr	953
11806	schaersvoo	954	case COPY:
		955	/*
		956	@ copy x,y,x1,y1,x2,y2,[filename URL]
		957	@ The image may be "bitmap" or "SVG"
		958	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		959	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
		960	@ [filename] is the URL of the image
14077	bpr	961	@ URL is normal URL of network reachable image file location<br />(eg special url for ''classexo`` not -yet- implemented)
		962	@ if command <a href="#drag">drag x/y/xy</a> is set before command ''copy``, the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valid for the next image<br />draggable / non-draggable images may be mixed<br />may be used together with preceding keywords ''snaptogrid``, ''xsnaptogrid``, ''ysnaptogrid`` or <code>snaptopoints x1,y1,x2,y2...</code>.
		963	@ if keyword <a href="#onclick">onclick</a> is set before command ''copy`` the image(s) is clickable (marked with a green rectangle around the image)<br />use 'read_dragdrop' to get the number of the clicked image(s)<br />use command 'clearbutton some_text' to reset the reply/click array.<br />example: 4 images; student clicked on image 2 and 3: reply = 0,1,1,0<br />after clicking the clear button: reply = 0,0,0,0<br />May be mixed with commands ''drag x\|y\|xy`` (use javascript read_canvas to get the new coordinates
		964	@ ''onclick`` for external images may be mixed with canvas generated stuff (like lines,curves etc)
11806	schaersvoo	965	@ you may draw / userdraw / drag other stuff on top of an "imported" image
14077	bpr	966	@ when set draggable, there will be special function 'read_canvas_images()'<br />now dragging external images may be combined with 'read_canvas()' from <a href='#userdraw'>userdraw</a> or <a href='#multidraw'>multidraw</a><br />set command <a href='#precision'>precision</a> before command ''copy``<br />note: when dragging the image anchor is the center of the picture, this can not be changed (it's a feature and not a flaw!)
		967	@ use keyword <a href='#centered'>centered</a> before command ''copy`` to place image center at given coordinates.
13967	schaersvoo	968	@%copy_onclick%size 400,400%xrange -10,10%yrange -10,10%onclick%copy -5,5,-1,-1,-1,-1,gifs/fr.gif%onclick%copy 5,5,-1,-1,-1,-1,gifs/en.gif%onclick%copy 5,-5,-1,-1,-1,-1,gifs/it.gif%onclick%copy -5,-5,-1,-1,-1,-1,gifs/cn.gif
14066	bpr	969	@%copy_drag_xy%size 400,400%xrange -10,10%yrange -10,10%# attention: left mouse click on the image will activate dragging...%# keep left mouse button pressed while moving the image !%drag xy%copy -5,5,-1,-1,-1,-1,gifs/fr.gif%drag xy%copy 5,5,-1,-1,-1,-1,gifs/en.gif%drag xy%copy 5,-5,-1,-1,-1,-1,gifs/it.gif%drag xy%copy -5,-5,-1,-1,-1,-1,gifs/cn.gif
		970	@%copy_drag_xy_snaptogrid%size 400,400%xrange -10,10%yrange -10,10%grid 2,2,grey%# attention: left mouse click on the image will activate dragging...%# keep left mouse button pressed while moving the image !%drag xy%# a function read_canvas_images() %copy -6,6,-1,-1,-1,-1,gifs/fr.gif%snaptogrid%drag xy%copy 6,6,-1,-1,-1,-1,gifs/en.gif%snaptogrid%drag xy%copy 6,-6,-1,-1,-1,-1,gifs/it.gif%snaptogrid%drag xy%copy -6,-6,-1,-1,-1,-1,gifs/cn.gif
11806	schaersvoo	971	*/
		972	for(i = 0 ; i<7;i++){
7614	schaersvoo	973	switch(i){
11806	schaersvoo	974	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		975	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		976	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		977	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		978	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		979	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		980	case 6: URL = get_string(infile,1);
		981	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		982	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		983	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		984	int_data[9] = click_cnt;
		985	if( drag_type > -1 ){/* e.g. we are dragging images x/y/xy */
14038	schaersvoo	986	//if( reply_format == 0 ){ reply_format = 20; }
11806	schaersvoo	987	int_data[8] = 2;/* drag & drop */
14044	schaersvoo	988	if(use_offset == 0 ){use_offset = 4;} /* mouse is attached to the center of the image !! */
11806	schaersvoo	989	}
		990	else
		991	{
		992	if( onclick == 1 ){
14038	schaersvoo	993	// reply_format = 20;
11806	schaersvoo	994	int_data[8] = 1; /* onclick will be reset using 'void reset()'*/
		995	click_cnt++; /* will also be used in dragstuff ! */
		996	}
		997	else
		998	{
		999	int_data[8] = 0; /* just static image */
		1000	}
		1001	}
14038	schaersvoo	1002	if( include_special_OEF_reply == FALSE){
		1003	if( int_data[8] == 1 \|\| int_data[8] == 2 ){
		1004	include_special_OEF_reply = TRUE;
		1005	fprintf(js_include_file,"\
		1006	\n/* begin special OEF function (replyformat 34) read_canvas_images() \\n note: only suitable for reading a single canvas in exercise page */\n\
		1007	read_canvas_images = function(){\
		1008	var prec = %d;\
		1009	var len = ext_drag_images.length;\
		1010	var reply = new Array(len);\
		1011	for(var p = 0 ; p < len ; p++){\
		1012	var img = ext_drag_images[p];\
		1013	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
		1014	};\
		1015	return reply;\
		1016	};\n\
14062	schaersvoo	1017	/* end function 34 read_canvas_images() */",reply_precision);
14038	schaersvoo	1018	}
		1019	}
11806	schaersvoo	1020	/*
14062	schaersvoo	1021	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt,centered,use_snap){\
11806	schaersvoo	1022	*/
14208	schaersvoo	1023	string_length = 1 + snprintf(NULL,0, "draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,0,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,int_data[8],int_data[9],use_offset,use_snap);
		1024	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
14044	schaersvoo	1025	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,0,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,int_data[8],int_data[9],use_offset,use_snap);
14038	schaersvoo	1026	add_to_buffer(tmp_buffer);
11806	schaersvoo	1027	drag_type = -1; /* reset the drag_type indicator */
		1028	ext_img_cnt++;
		1029	onclick=0;
14038	schaersvoo	1030	use_offset=0;
		1031	reset();
11806	schaersvoo	1032	break;
7614	schaersvoo	1033	default: break;
		1034	}
		1035	}
		1036	break;
11806	schaersvoo	1037	/*
		1038	HTML5 specs:
		1039	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1040	img Specifies the image, canvas, or video element to use
14066	bpr	1041	sx The x coordinate where to start clipping: x1 = int_data[0]
		1042	sy The y coordinate where to start clipping: x2 = int_data[1]
		1043	swidth The width of the clipped image: int_data[2] - int_data[0]
		1044	sheight The height of the clipped image: int_data[3] - int_data[1]
		1045	x The x coordinate where to place the image on the canvas: dx1 = int_data[4]
		1046	y The y coordinate where to place the image on the canvas: dy1 = int_data[5]
		1047	width The width of the image to use (stretch or reduce the image): dx2 - dx1 = int_data[6]
		1048	height The height of the image to use (stretch or reduce the image): dy2 - dy1 = int_data[7]
11806	schaersvoo	1049	*/
		1050	case COPYRESIZED:
		1051	/*
		1052	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
		1053	@ The image may be any "bitmap" or "SVG"
		1054	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [ filename], <br />possibly resized,<br />to the region of (dx1,dy1) to (dx2,dy2) in x/y-range
14066	bpr	1055	@ (dx1:dy1) must be left top corner; (dx2:dy2) must be right bottom corner of inserted image
11806	schaersvoo	1056	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1057	@ URL is normal URL of network reachable image file location<br />(as seen from public_html-root or network reachable 'http://some_server/my_images/test.gif'<br />(eg no special wims paths are searched !!)
14077	bpr	1058	@ if command <a href="#drag">drag x/y/xy</a> is set before command ''copy``, the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valid for the next image<br />draggable / non-draggable images may be mixed<br />may be used together with preceding keywords ''snaptogrid``,''xsnaptogrid``,''ysnaptogrid`` or <code>snaptopoints x1,y1,x2,y2...</code>
		1059	@ if keyword <a href="#onclick">onclick</a> is set before command ''copy`` the image(s) is clickable (marked with a green rectangle around the image)<br />use ''read_dragdrop`` to get the number of the clicked image(s)<br />use command 'clearbutton some_text' to reset the reply/click array.<br />example: 4 images; student clicked on image 2 and 3: reply = 0,1,1,0<br />after clicking the clear button: reply = 0,0,0,0<br />May be mixed with commands ''drag x\|y\|xy`` (use javascript read_canvas to get the new coordinates
		1060	@ ''onclick`` for external images may be mixed with canvas generated stuff (like lines,curves etc)
11806	schaersvoo	1061	@ you may draw / userdraw / drag stuff on top of an "imported" image
14077	bpr	1062	@ when set draggable, there will be special function 'read_canvas_images()'<br />now dragging external images may be combined with 'read_canvas()' from <a href='#userdraw'>userdraw</a> or <a href='#multidraw'>multidraw</a><br />set command <a href='#precision'>precision</a> before command ''copy``
14038	schaersvoo	1063	@ use keyword <a href='#centered'>centered</a> before command 'copyresized' to place image center at given coordinates.
11806	schaersvoo	1064	*/
		1065	for(i = 0 ; i<9;i++){
		1066	switch(i){
		1067	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1068	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1069	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1070	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1071	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1072	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1073	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1074	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1075	case 8: URL = get_string(infile,1);
		1076	/* flag error when wrong diagonal: copyresized -1,-1,-1,-1,0,0,7,7,testfig.gif */
		1077	if( int_data[7] < int_data[5] \|\| int_data[6] < int_data[4]){
		1078	canvas_error("in copyresized , use:<br />left top corner (dx1:dy1) and right bottom corner (dx2:dy2) ! ");
		1079	}
		1080	int_data[2] = abs(int_data[2] - int_data[0]);/* swidth */
		1081	int_data[3] = abs(int_data[3] - int_data[1]);/* sheight */
		1082	int_data[6] = abs(int_data[6] - int_data[4]);/* width */
		1083	int_data[7] = abs(int_data[7] - int_data[5]);/* height */
		1084	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1085	int_data[9] = click_cnt;
		1086	if( drag_type > -1 ){/* e.g. we are dragging images x/y/xy */
14038	schaersvoo	1087	// if( reply_format == 0 ){ reply_format = 20; }
11806	schaersvoo	1088	int_data[8] = 2;/* drag & drop */
		1089	}
		1090	else
		1091	{
		1092	if( onclick == 1 ){
14038	schaersvoo	1093	// reply_format = 20;
11806	schaersvoo	1094	int_data[8] = 1; /* onclick will be reset using 'void reset()'*/
		1095	click_cnt++; /* will also be used in dragstuff ! */
		1096	}
		1097	else
		1098	{
		1099	int_data[8] = 0; /* just static image */
		1100	}
		1101	}
14038	schaersvoo	1102	if( include_special_OEF_reply == FALSE){
		1103	if( int_data[8] == 1 \|\| int_data[8] == 2 ){
		1104	include_special_OEF_reply = TRUE;
		1105	fprintf(js_include_file,"\
		1106	\n/* begin special OEF function (replyformat 34) read_canvas_images() \\n note: only suitable for reading a single canvas in exercise page */\n\
		1107	read_canvas_images = function(){\
		1108	var prec = %d;\
		1109	var len = ext_drag_images.length;\
		1110	var reply = new Array(len);\
		1111	for(var p = 0 ; p < len ; p++){\
		1112	var img = ext_drag_images[p];\
		1113	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
		1114	};\
		1115	return reply;\
		1116	};\n\
14062	schaersvoo	1117	/* end function 34 read_canvas_images() */",reply_precision);
14038	schaersvoo	1118	}
		1119	}
		1120
11806	schaersvoo	1121	/*
		1122	(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt)
		1123	URL,[2],[3],[6], [7], [4],[5],[6],[7],ext_img_cnt,1, [8], [9]
		1124	*/
14208	schaersvoo	1125	string_length = 1 + snprintf(NULL,0, "draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,1,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,int_data[8],int_data[9],use_offset,use_snap);
		1126	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
14044	schaersvoo	1127	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,1,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,int_data[8],int_data[9],use_offset,use_snap);
14038	schaersvoo	1128	add_to_buffer(tmp_buffer);
11806	schaersvoo	1129	drag_type = -1; /* reset the drag_type indicator */
		1130	ext_img_cnt++;
		1131	onclick=0;
14038	schaersvoo	1132	use_offset=0;
		1133	reset();
11806	schaersvoo	1134	break;
		1135	default: break;
		1136	}
		1137	}
14038	schaersvoo	1138	reset();
11806	schaersvoo	1139	break;
8386	schaersvoo	1140
11806	schaersvoo	1141	case CROSSHAIR:
8386	schaersvoo	1142	/*
11806	schaersvoo	1143	@ crosshair x,y,color
		1144	@ draw a single crosshair point at (x;y) in color 'color'
14246	bpr	1145	@ use command 'crosshairsize int' and / or 'linewidth int' to adjust
11806	schaersvoo	1146	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	1147	@%crosshair%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%linewidth 2%onclick%crosshair 0,0,red%linewidth 1%onclick%crosshair 1,1,blue%linewidth 3%onclick%crosshair 3,3,green%linewidth 4%xrosshair 4,4,orange
11806	schaersvoo	1148	*/
		1149	for(i=0;i<3;i++){
		1150	switch(i){
		1151	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1152	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1153	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		1154	decimals = find_number_of_digits(precision);
14208	schaersvoo	1155	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1156	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	1157	/* click_cnt++ */
		1158	reset();
		1159	break;
		1160	default:break;
		1161	}
		1162	}
		1163	break;
		1164
		1165	case CROSSHAIRS:
		1166	/*
		1167	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
14077	bpr	1168	@ draw multiple crosshair points at given coordinates in color ''color``
14246	bpr	1169	@ use command <code>crosshairsize int</code> and / or <code>linewidth int</code> to adjust
9406	schaersvoo	1170	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
12107	schaersvoo	1171	@%crosshairs_1%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%snaptogrid%linewidth 2%drag xy%crosshairs red,0,0,1,1,2,2,3,3%drag x%crosshairs blue,0,1,1,2,2,3,3,4
		1172	@%crosshairs_2%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%linewidth 2%onclick%crosshairs red,0,0,1,1,2,2,3,3%onclick%crosshairs blue,0,1,1,2,2,3,3,4
		1173	*/
8386	schaersvoo	1174	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1175	fill_color = stroke_color;
		1176	i=0;
		1177	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	1178	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8386	schaersvoo	1179	if(i%2 == 0 ){
		1180	double_data[i] = get_real(infile,0); /* x */
		1181	}
		1182	else
		1183	{
		1184	double_data[i] = get_real(infile,1); /* y */
		1185	}
		1186	i++;
		1187	}
		1188	decimals = find_number_of_digits(precision);
11806	schaersvoo	1189	for(c=0 ; c < i-1 ; c = c+2){
14208	schaersvoo	1190	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1191	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	1192	/* click_cnt++; */
8386	schaersvoo	1193	}
		1194	reset();
		1195	break;
		1196
11806	schaersvoo	1197	case CROSSHAIRSIZE:
7614	schaersvoo	1198	/*
11806	schaersvoo	1199	@ crosshairsize int
		1200	@ default 8 (px)
7614	schaersvoo	1201	*/
11806	schaersvoo	1202	crosshair_size = (int) (get_real(infile,1));
		1203	break;
		1204
		1205	case CURSOR:
		1206	/*
14086	bpr	1207	@ cursor some CSS cursor_style
14071	bpr	1208	@ alternative: <code>pointer</code>
13956	schaersvoo	1209	@ style can be any valid CSS property value
		1210	@ choose from these types:<br />alias,all-scroll,auto,cell,context-menu,col-resize,copy,crosshair,default,e-resize,<br />ew-resize,grab,grabbing,help,move,n-resize,ne-resize,nesw-resize,ns-resize,nw-resize,<br />nwse-resize,no-drop,none,not-allowed,pointer,progress,row-resize,s-resize,se-resize,<br />sw-resize,text,url(myBall.cur),auto,vertical-text,w-resize,wait,zoom-in,zoom-out,initial
		1211	@ note: wims will not check the validity of your cursor declaration
		1212	@%cursor_css%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 3%drag xy%opacity 200,75%fcircles blue,-5,5,3,-4,-2,6,0,0,5,3,4,2,4,-5,4
11806	schaersvoo	1213	*/
		1214	fprintf(js_include_file,"canvas_div%d.style.cursor = \"%s\";",canvas_root_id,get_string(infile,1));
		1215	break;
		1216
		1217	case CURVE:
		1218	/*
		1219	@ curve color,formula(x)
14066	bpr	1220	@ alernative: plot color,formula(x)
14071	bpr	1221	@ use command <a href="#trange">trange</a> in parametric functions before command curve / plot <code>trange -pi,pi<br />curve color,formula1(t),formula2(t)</code>
14086	bpr	1222	@ use command <a href="#precision">precision</a> to increase the number of digits of the plotted points
14066	bpr	1223	@ use command <a href="#plotsteps">plotsteps</a> to increase / decrease the amount of plotted points (default 150)
11806	schaersvoo	1224	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
14071	bpr	1225	@ if you need a plot beyond xrange / yrange, use <a href="#jsplot">jsplot</a><br />(command ''curve`` will only calculate points within the xrange)
12107	schaersvoo	1226	@%curve%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%xlabel x-axis%ylabel y-axis%precision 1%grid 2,2,grey,2,2,6,grey%precision 1000%curve red,4sqrt(x)%curve green,2sqrt(abs(x)%curve blue,31/sqrt(x)%curve orange,4sin(4/x)%dashed%curve red,4*cos(x)
11806	schaersvoo	1227	*/
		1228	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1229	use_parametric = FALSE;
		1230	stroke_color = get_color(infile,0);
		1231	char *fun1 = get_string_argument(infile,0);
		1232	char *fun2 = get_string_argument(infile,1);
		1233	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
14208	schaersvoo	1234	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,9,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,eval_parametric(xsize,ysize,fun1,fun2,xmin,xmax,ymin,ymax,tmin,tmax,plot_steps,precision),2line_width,2line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	1235	}
		1236	else
		1237	{
		1238	stroke_color = get_color(infile,0);
		1239	char *fun1 = get_string_argument(infile,1);
		1240	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
14208	schaersvoo	1241	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,9,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,eval(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	1242	}
14208	schaersvoo	1243	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	1244	/* click_cnt++; */
		1245	reset();
		1246	break;
14038	schaersvoo	1247	case CURVEDARROW:
		1248	/*
		1249	@ curvedarrow x1,y1,xc,yc,x2,y2,color
14248	bpr	1250	@ draw a single headed curved arrow from (x1:y1) in direction of (xc:yc) to point (x2:y2)<br /> note: the curve will <b>not go through</b> point (xc:yc)
14038	schaersvoo	1251	@ use command <a href='#arrowhead'>arrowhead</a> to set the size of the arrow head.
14077	bpr	1252	@ use command <code>linewidth int</code> to adjust thickness of the arrow
14038	schaersvoo	1253	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1254	@%curvedarrow_drag%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 2%drag xy%curvedarrow -5,0,0,10,5,0,blue
		1255	@%curvedarrow_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%%onclick%curvedarrow -5,0,0,-10,5,0,blue%onclick%curvedarrow -8,0,0,5,8,3,green
11806	schaersvoo	1256
14029	schaersvoo	1257	h[0] = arrowhead
14066	bpr	1258	h[1] = type: 1 = single 2=double arrow
14208	schaersvoo	1259	function Shape(click_cnt,onclick,direction,type,x,y,w,h,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle,text,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern)
14038	schaersvoo	1260	*/
		1261	for(i=0;i<7;i++){
		1262	switch(i){
		1263	case 0: double_data[0] = get_real(infile,0);break; /* x1 */
		1264	case 1: double_data[1] = get_real(infile,0);break; /* y1 */
		1265	case 2: double_data[2] = get_real(infile,0);break; /* xc */
		1266	case 3: double_data[3] = get_real(infile,0);break; /* yc */
		1267	case 4: double_data[4] = get_real(infile,0);break; /* y3 */
		1268	case 5: double_data[5] = get_real(infile,0);break; /* y3 */
		1269	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		1270	decimals = find_number_of_digits(precision);
14208	schaersvoo	1271	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,21,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],arrow_head,arrow_head,arrow_head,1,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1272	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	1273	/* click_cnt++;*/
		1274	reset();
		1275	break;
		1276	}
		1277	}
		1278	break;
14029	schaersvoo	1279
14038	schaersvoo	1280	case CURVEDARROW2:
		1281	/*
		1282	@ curvedarrow2 x1,y1,xc,yc,x2,y2,color
14248	bpr	1283	@ draw a double headed curved arrow from (x1:y1) in direction of (xc:yc) to point (x2:y2)<br /> note: the curve will <b>not go through</b> point (xc:yc)
14038	schaersvoo	1284	@ use command <a href='#arrowhead'>arrowhead</a> to set the size of the arrow head.
14077	bpr	1285	@ use command <code>linewidth int</code> to adjust thickness of the arrow
14038	schaersvoo	1286	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1287	@%curvedarrow_drag%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 2%drag xy%curvedarrow2 -5,0,0,10,5,0,blue
		1288	@%curvedarrow_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%%onclick%cuvedarrow2 -5,0,0,-10,5,0,blue%onclick%curvedarrow -8,0,0,5,8,3,green
14029	schaersvoo	1289
		1290	h[0] = arrowhead
14066	bpr	1291	h[1] = type: 1 = single 2=double arrow
14208	schaersvoo	1292	function Shape(click_cnt,onclick,direction,type,x,y,w,h,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle,text,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern)
14038	schaersvoo	1293	*/
		1294	for(i=0;i<7;i++){
		1295	switch(i){
		1296	case 0: double_data[0] = get_real(infile,0);break; /* x1 */
		1297	case 1: double_data[1] = get_real(infile,0);break; /* y1 */
		1298	case 2: double_data[2] = get_real(infile,0);break; /* xc */
		1299	case 3: double_data[3] = get_real(infile,0);break; /* yc */
		1300	case 4: double_data[4] = get_real(infile,0);break; /* y3 */
		1301	case 5: double_data[5] = get_real(infile,0);break; /* y3 */
		1302	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		1303	decimals = find_number_of_digits(precision);
14208	schaersvoo	1304	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,21,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],arrow_head,arrow_head,arrow_head,2,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1305	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	1306	/* click_cnt++;*/
		1307	reset();
		1308	break;
		1309	}
		1310	}
		1311	break;
		1312	case CURVEDARROWS:
		1313	/*
14248	bpr	1314	@ curvedarrows color,x1,y1,xc,yc,x2,y2,...,x_(n-1),y_(n-1),xc,yc,x_n,y_n
		1315	@ draw curved arrows from (x1:y1) in direction of (xc:yc) to point (x2:y2), etc<br /> note: the curve will <b>not go through</b> point (xc:yc)
14038	schaersvoo	1316	@ use command <a href='#arrowhead'>arrowhead</a> to set the size of the arrow head.
14077	bpr	1317	@ use command <code>linewidth int</code> to adjust thickness of the arrow
14038	schaersvoo	1318	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1319	@%curvedarrows_drag%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 2%drag xy%curvedarrows red,-8,0,0,8,8,0,-5,5,0,-10,6,3
		1320	@%curvedarrows_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%%onclick%curvedarrows red,-8,0,0,8,8,0,-5,5,0,-10,6,3
14029	schaersvoo	1321
14030	schaersvoo	1322	h[0] = arrowhead
14066	bpr	1323	h[1] = type: 1 = single 2=double arrow
14208	schaersvoo	1324	function Shape(click_cnt,onclick,direction,type,x,y,w,h,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle,text,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern)
14038	schaersvoo	1325	*/
		1326	stroke_color = get_color(infile,0);/* name or hex color */
		1327	i = 0;
		1328	decimals = find_number_of_digits(precision);
		1329	while( ! done ){
		1330	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
		1331	double_data[0] = get_real(infile,0); /* x1 */
		1332	double_data[1] = get_real(infile,0); /* y1 */
		1333	double_data[2] = get_real(infile,0); /* xc */
		1334	double_data[3] = get_real(infile,0); /* yc */
		1335	double_data[4] = get_real(infile,0); /* x3 */
		1336	double_data[5] = get_real(infile,1); /* y3 */
14208	schaersvoo	1337	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,21,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],arrow_head,arrow_head,arrow_head,1,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1338	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	1339	i = i + 6;
		1340	}
		1341	reset();
		1342	break;
14030	schaersvoo	1343
14038	schaersvoo	1344	case CURVEDARROWS2:
		1345	/*
		1346	@ curvedarrows2 color,x1,y1,xc,yc,x2,y2,...x_(n-1),y_(n-1),xc,yc,x_n,y_n
14248	bpr	1347	@ draw double headed curved arrows from (x1:y1) in direction of (xc:yc) to point (x2:y2), etc. <br /> note: the curve will <b>not go through</b> point (xc:yc)
14038	schaersvoo	1348	@ use command <a href='#arrowhead'>arrowhead</a> to set the size of the arrow head.
14077	bpr	1349	@ use command <code>linewidth int</code> to adjust thickness of the arrow
14038	schaersvoo	1350	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1351	@%curvedarrows2_drag%size 400,400%xrange -10,10%yrange -10,10%cursor move%linewidth 2%drag xy%curvedarrows2 red,-8,0,0,8,8,0,-5,5,0,-10,6,3
		1352	@%curvedarrows2_click%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%%onclick%curvedarrow -5,0,0,-10,5,0,blue%onclick%curvedarrows2 red,-8,0,0,8,8,0,-5,5,0,-10,6,3
14030	schaersvoo	1353
		1354	h[0] = arrowhead
14066	bpr	1355	h[1] = type: 1 = single 2=double arrow
14208	schaersvoo	1356	function Shape(click_cnt,onclick,direction,type,x,y,w,h,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle,text,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern)
14038	schaersvoo	1357	*/
		1358	stroke_color = get_color(infile,0);/* name or hex color */
		1359	i = 0;
		1360	decimals = find_number_of_digits(precision);
		1361	while( ! done ){
		1362	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
		1363	double_data[0] = get_real(infile,0); /* x1 */
		1364	double_data[1] = get_real(infile,0); /* y1 */
		1365	double_data[2] = get_real(infile,0); /* xc */
		1366	double_data[3] = get_real(infile,0); /* yc */
		1367	double_data[4] = get_real(infile,0); /* x3 */
		1368	double_data[5] = get_real(infile,1); /* y3 */
14208	schaersvoo	1369	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,21,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],arrow_head,arrow_head,arrow_head,2,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1370	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	1371	i = i + 6;
		1372	}
		1373	reset();
		1374	break;
11806	schaersvoo	1375	case DASHED:
		1376	/*
		1377	@ dashed
		1378	@ keyword (no arguments required)
		1379	@ next object will be drawn with a dashed line
		1380	@ change dashing scheme by using command <a href="#dashtype">dashtype</a>
12107	schaersvoo	1381	@%dashed%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%line -5,-5,-5,5,red%dashtype 1,1%dline -4,-5,-4,5,green%dashtype 2,2%dline -3,-5,-3,5,blue%dashtype 3,3%dline 0,-5,0,5,orange%dashtype 4,4%dline 3,-5,3,5,brown
11806	schaersvoo	1382	*/
		1383	use_dashed = TRUE;
		1384	break;
		1385
		1386	case DASHTYPE:
		1387	/*
		1388	@ dashtype line_width_px,space_width_px
		1389	@ every indiviual object may have its own dashtype, if needed...
		1390	@ When keyword <a href='#dashed'>dashed</a> is set, the objects will be drawn with this dashtype
14086	bpr	1391	@ default value <code>dashtype 2,2</code> e.g. 2px line and 2px space
13957	schaersvoo	1392	@ HTML5 canvas specification supports more arguments (dashing schemes) ... but not all modern browsers are yet capable
13949	schaersvoo	1393	@%dashtype%size 400,400%xrange -10,10%yrange -10,10%dashtype 1,1%dhline 0,9,red%dashtype 2,2%dhline 0,8,red%dashtype 4,4%dhline 0,7,red%dashtype 6,6%dhline 0,6,red%dashtype 8,8%dhline 0,5,red%dashtype 10,10%dhline 0,4,red%dashtype 1,2%dhline 0,3,red%dashtype 2,4%dhline 0,2,red%dashtype 3,6%dhline 0,1,red%dashtype 4,8%dhline 0,0,red%linewidth 2%dashtype 1,1%dhline 0,-9,red%dashtype 2,2%dhline 0,-8,red%dashtype 4,4%dhline 0,-7,red%dashtype 6,6%dhline 0,-6,red%dashtype 8,8%dhline 0,-5,red%dashtype 10,10%dhline 0,-4,red%dashtype 1,2%dhline 0,-3,red%dashtype 2,4%dhline 0,-2,red%dashtype 4,8%dhline 0,-1,red
11806	schaersvoo	1394	*/
		1395	for(i=0;i<2;i++){
		1396	switch(i){
		1397	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		1398	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		1399	}
		1400	}
		1401	break;
		1402
		1403	case DIAMONDFILL:
		1404	/*
		1405	@ diamondfill x0,y0,dx,dy,color
		1406	@ x0,y0 in xrange / yrange
		1407	@ distances dx,dy in pixels
13936	bpr	1408	@ there is also a command <a href="#userdraw">userdraw diamondfill,color</a>
12110	schaersvoo	1409	@%diamondfill%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%circles red,-4,0,6,4,0,6%linewidth 1%diamondfill 0,0,5,8,blue%diamondfill 0,7,8,8,lightgreen
11806	schaersvoo	1410	*/
		1411	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
11820	schaersvoo	1412	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1413	js_function[DRAW_FILLTOBORDER] = 1;
		1414	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1415	}
		1416	decimals = find_number_of_digits(precision);
7614	schaersvoo	1417	for(i=0;i<5;i++){
		1418	switch(i){
11820	schaersvoo	1419	case 0: double_data[0] = get_real(infile,0); break; /* x */
14032	schaersvoo	1420	case 1: double_data[1] = get_real(infile,0); break; /* y */
11820	schaersvoo	1421	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1422	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1423	case 4: stroke_color = get_color(infile,1);
		1424	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
14208	schaersvoo	1425	string_length = 1 + snprintf(NULL,0, "draw_diamondfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1426	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11820	schaersvoo	1427	snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1428	add_to_buffer(tmp_buffer);
11820	schaersvoo	1429	fill_cnt++;
11806	schaersvoo	1430	break;
		1431	default:break;
		1432	}
		1433	}
		1434	reset();
		1435	break;
8224	bpr	1436
11806	schaersvoo	1437	case DOTFILL:
		1438	/*
		1439	@ dotfill x0,y0,dx,dy,color
		1440	@ x0,y0 in xrange / yrange
		1441	@ distances dx,dy in pixels
		1442	@ radius of dots is linewidth
13936	bpr	1443	@ there is also a command <a href="#userdraw">userdraw dotfill,color</a>
12110	schaersvoo	1444	@%dotfill%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%circles red,-4,0,6,4,0,6%dotfill 0,0,5,8,blue%dotfill 0,7,8,8,lightgreen
11806	schaersvoo	1445	*/
		1446	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
11817	schaersvoo	1447	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1448	js_function[DRAW_FILLTOBORDER] = 1;
		1449	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1450	}
		1451	decimals = find_number_of_digits(precision);
11806	schaersvoo	1452	for(i=0;i<5;i++){
		1453	switch(i){
11817	schaersvoo	1454	case 0: double_data[0] = get_real(infile,0); break; /* x in px */
		1455	case 1: double_data[1] = get_real(infile,0); break; /* y in py */
		1456	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1457	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1458	case 4: stroke_color = get_color(infile,1);
		1459	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
14208	schaersvoo	1460	string_length = 1 + snprintf(NULL,0, "draw_dotfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1461	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11817	schaersvoo	1462	snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1463	add_to_buffer(tmp_buffer);
11817	schaersvoo	1464	fill_cnt++;
7614	schaersvoo	1465	break;
11806	schaersvoo	1466	default:break;
7614	schaersvoo	1467	}
		1468	}
11806	schaersvoo	1469	reset();
		1470	break;
		1471
		1472	case DRAG:
		1473	/*
		1474	@ drag [x][y][xy]
		1475	@ the next object will be draggable in x / y / xy direction
14077	bpr	1476	@ the displacement can be read by <code>javascript:read_dragdrop();</code>
14066	bpr	1477	@ the precision (default 2 decimals) in the student reply may be set with command <a href="#precision">precision</a>.<br />Use this 'precision' command before this command 'drag x\|y\|xy' !
14078	bpr	1478	@ <a href='#onclick'>onclick</a> and ''drag x\|y\|xy`` may be combined (for different objects: a single object can either be onclick or drag, not both )
14077	bpr	1479	@ ''multi_objects`` will be numbered in the given x/y-sequence (example: points red,0,0,1,1,2,2,3,3: point (0:0) is object_number 1)
14177	bpr	1480	@ <b>attention</b>: static objects and ''onclick/drag`` objects of the same type (like point,circle,etc) with the same coordinates (e.g. objects that overlap) will give problems in the ''recognition algorithm``)<br />in this example<br /><code>linewidth 4<br />point 0,0,red<br />drag xy<br />point 0,0,blue</code><br />the red point will not be recognised as draggable !<br /><code>linewidth 4<br />drag xy<br />point 0,0,red<br />drag xy<br />point 0,0,blue</code><br />both points will be recognised
14066	bpr	1481	@ the answer is: drag_or_onclick_object_number : Xorg : Yorg : Xnew : Ynew<br />wherein object_number is the sequence number of the draggable & onclick objects in your script.<br />Only draggable & onclick objects will have an object_number (e.g things like point,crosshair,line,segment,circle,rect,triangle...etc)
14078	bpr	1482	@ use keyword <a href='#snaptogrid'>snaptogrid<a/>, <a href='#xsnaptogrid'>xsnaptogrid</a>, <a href='#ysnaptogrid'>ysnaptogrid</a> or command <a href='#snaptopoints'>snaptopoints x1,y1,x2,y2,...</a> to switch from free to discrete movement
11806	schaersvoo	1483	@ in case of external images (commands copy / copyresized) the external image can be set draggable ; always xy. <br />The function javascript;read_canvas() will return the xy-coordinates of all images.
14177	bpr	1484	@ note: in case an object is dragged, zooming or panning will cause the coordinates to be reset to the original position: e.g. dragging / panning will get lost (array with ''drag data`` is erased). This is a design flaw and not a feature !!
13829	bpr	1485	@%drag_x%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 200,40%drag x%linewidth 2%circles blue,-5,0,3,0,0,2,5,0,4,0,4,3,0,-3,4
		1486	@%drag_y%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 200,40%drag y%linewidth 2%circles blue,-5,0,3,0,0,2,5,0,4,0,4,3,0,-3,4
		1487	@%drag_xy%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor lightblue%opacity 200,40%drag xy%linewidth 2%circles blue,-5,0,3,0,0,2,5,0,4,0,4,3,0,-3,4
11806	schaersvoo	1488	*/
		1489	temp = get_string(infile,1);
		1490	if(strstr(temp,"xy") != NULL ){
		1491	drag_type = 0;
		1492	}
		1493	else
		1494	{
		1495	if(strstr(temp,"x") != NULL ){
		1496	drag_type = 1;
		1497	}
		1498	else
		1499	{
		1500	drag_type = 2;
		1501	}
		1502	}
		1503	/* assuming all drag&drop coordinates the same precision: so set only once */
		1504	if( print_drag_params_only_once == FALSE ){
		1505	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;\n",precision);
		1506	print_drag_params_only_once = TRUE;
		1507	}
		1508	onclick = 2;
		1509	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
7614	schaersvoo	1510	break;
8386	schaersvoo	1511
11806	schaersvoo	1512	case ELLIPSE:
8351	schaersvoo	1513	/*
11806	schaersvoo	1514	@ ellipse xc,yc,radius_x,radius_y,color
		1515	@ a ellipse with center xc/yc in x/y-range
		1516	@ radius_x and radius_y are in pixels
9406	schaersvoo	1517	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
11806	schaersvoo	1518	@ will shrink / expand on zoom out / zoom in
13949	schaersvoo	1519	@%ellipse%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor orange%opacity 200,40%linewidth 3%drag xy%ellipse 0,0,6,4,green%zoom blue
8351	schaersvoo	1520	*/
11806	schaersvoo	1521	for(i=0;i<5;i++){
		1522	switch(i){
		1523	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		1524	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
14066	bpr	1525	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
		1526	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
11806	schaersvoo	1527	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		1528	decimals = find_number_of_digits(precision);
14208	schaersvoo	1529	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,3,[%.f],[%.f],[%.f],[%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1530	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	1531	/* click_cnt++; */
		1532	reset();
		1533	break;
		1534	}
		1535	}
		1536	break;
13829	bpr	1537
12110	schaersvoo	1538	case ELLIPSES:
		1539	/*
		1540	@ ellipses color,xc1,yc1,radius_x1,radius_y1,xc2,yc2,radius_x2,radius_y2,xc3,yc3,radius_x3,radius_y3,...
		1541	@ a ellipses with center xc/yc in x/y-range
		1542	@ radius_x and radius_y are in pixels
		1543	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1544	@ will shrink / expand on zoom out / zoom in
13949	schaersvoo	1545	@%ellipses%size 400,400%xrange -10,10%yrange -10,10%filled%fillcolor orange%opacity 200,40%linewidth 3%onclick%ellipses red,-3,0,2,4,0,0,4,2,3,0,6,2
12110	schaersvoo	1546	*/
13829	bpr	1547
12110	schaersvoo	1548	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1549	fill_color = stroke_color;
		1550	i=1;
		1551	while( ! done ){ /* get next item until EOL*/
		1552	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
		1553	switch (i%4){
		1554	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		1555	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		1556	case 3:double_data[i-1] = get_real(infile,0);break; /* rx */
		1557	case 0:double_data[i-1] = get_real(infile,1);break; /* ry */
		1558	default: break;
		1559	}
		1560	i++;
		1561	}
		1562	decimals = find_number_of_digits(precision);
		1563	for(c = 0 ; c < i-1 ; c = c+4){
14208	schaersvoo	1564	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,3,[%.f],[%.f],[%.f],[%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],decimals,double_data[c+2],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1565	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;} /* click_cnt++; */
12110	schaersvoo	1566	}
		1567	reset();
		1568	break;
		1569
11806	schaersvoo	1570	case FILLALL:
		1571	/*
		1572	@ fillall color,x1,y1,x2,y2...x_n,y_n
		1573	@ fill all region containing points (x1:y1),(x2:y2)...(x_n:y_n) with color 'color'
		1574	@ any other colors (objects) in the <a href="#canvastype>canvastype</a> will act as border to the bucket fill
14246	bpr	1575	@ use this command after all boundary objects are declared.
11806	schaersvoo	1576	@ Use command 'userdraw clickfill,color' for user click driven flood fill.
		1577	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
14071	bpr	1578	@ note: the fill-family of commands are very (client) cpu intensive operations!<br />filling is done pixel by pixel e.g. image size of 400x400 uses 160000 pixels: each pixel contains 4 data (R,G,B,Opacity) = 640000 data.<br />on every data a few operations / comparisons are done...<br />So have pity on your students CPU..
12110	schaersvoo	1579	@%fillall%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%vlines black,-5,0,-5,0,-4,0,-4,0,3,0,3,0%hlines black,-5,0,-5,0,-5,4,-5,4,-5,-2,-5,-2%circles green,0,0,2,3,3,5,-5,-5,3%opacity 240,50%fillall blue,1,1,8,8,-8,-8
11806	schaersvoo	1580	*/
		1581	decimals = find_number_of_digits(precision);
		1582	fill_color=get_color(infile,0); /* how nice: now the color comes first...*/
8351	schaersvoo	1583	i=0;
11806	schaersvoo	1584	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1585	js_function[DRAW_FILLTOBORDER] = 1;
		1586	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1587	}
8351	schaersvoo	1588	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	1589	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8351	schaersvoo	1590	if(i%2 == 0 ){
		1591	double_data[i] = get_real(infile,0); /* x */
		1592	}
		1593	else
		1594	{
		1595	double_data[i] = get_real(infile,1); /* y */
14208	schaersvoo	1596	string_length = 1 + snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[i-1],decimals,double_data[i],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
		1597	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11818	schaersvoo	1598	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[i-1],decimals,double_data[i],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1599	add_to_buffer(tmp_buffer);
		1600	fill_cnt++;
8351	schaersvoo	1601	}
		1602	i++;
		1603	}
11806	schaersvoo	1604	break;
		1605
		1606	case FILLED:
		1607	/*
		1608	@ filled
		1609	@ keyword (no arguments required)
14077	bpr	1610	@ the next ''fillable`` object (only the next !) will be filled
14066	bpr	1611	@ use command <a href="#fillcolor">fillcolor color</a> to set fillcolor
11839	schaersvoo	1612	@ use <a href="#fillpattern">fillpattern</a> for non-solid color filling.
14086	bpr	1613	@ use command <code>opacity 0-255,0-255</code> to set stroke and fill-opacity
14066	bpr	1614	@ use command <a href='#fill'>fill x,y,color</a> or <a href="#floodfill">floodfill x,y,color</a> to fill the space around (x;y) with color <br />pixel operation implemented in javascript: use with care !
11806	schaersvoo	1615	*/
11839	schaersvoo	1616	use_filled = 1;
11859	schaersvoo	1617	use_pattern = 0;
11806	schaersvoo	1618	break;
		1619
		1620	case FILLCOLOR:
		1621	/*
		1622	@ fillcolor colorname or #hex
14066	bpr	1623	@ set the color: mainly used for command 'userdraw obj,stroke_color'
11806	schaersvoo	1624	@ all fillable massive objects will have a fillcolor == strokecolor (just to be compatible with flydraw...)
11839	schaersvoo	1625	@ see <a href="#fillpattern">fillpattern</a> for non-solid color filling.
11806	schaersvoo	1626	*/
		1627	fill_color = get_color(infile,1);
11874	schaersvoo	1628	use_pattern = 0;
11806	schaersvoo	1629	break;
		1630
11837	schaersvoo	1631	case FILLPATTERN:
		1632	/*
11854	schaersvoo	1633	@ fillpattern grid \| hatch \| diamond \| dot \| image-url
11837	schaersvoo	1634	@ use a pattern as fillstyle
14066	bpr	1635	@ suitable for all fillable object including the <a href="#userdraw">userdraw objects' family</a>
14077	bpr	1636	@ not -yet- implemented in the <a href="#multidraw">multidraw objects family</a>...(will probably be too complex)
14066	bpr	1637	@ the fillcolor is set by the object command, for example:<br /><code>size 370,370<br />xrange -5,5<br />yrange -5,5<br />opacity 165,150<br />fillpattern grid<br />fcircle -6,3,160,blue<br />fillpattern dot<br />fcircle -3,-3,160,red<br />fillpattern hatch<br />fcircle 0,3,160,green<br />filpattern diamond<br />fcircle 3,-3,160,cyan<br />userdraw dotfill,blue<br />zoom red</code>
14078	bpr	1638	@ the pattern dimensions are hardcoded (linewidth, radius,dx,dy are fixed)
11837	schaersvoo	1639	@ the pattern color is set by command <a href='#fillcolor'>fillcolor</a> and <a href='#opacity'>opacity</a>
11839	schaersvoo	1640	@ see <a href="#fillcolor">fillcolor</a> for solid color filling.
14086	bpr	1641	@ when using an image-url, make sure it contains an ''/`` in the filename...''fillpattern $$module_dir/gifs/test.jpg`` will fill the next fillable object with this image.\|<br />the argument to html5 canvas routine 'createPattern(img,argument)' is set to ''repeat`` e.g. if the image is smaller then the canvas, multiple copies will be used to fill the area ( e.g. ctx.fillStyle() = pattern)<br />for example:<br /><code>size 150,150<br />xrange -5,5<br />yrange -5,5<br />drag xy<br />fillpattern gifs/en.gif<br />fcircle 0,0,100,red<br />fillpattern gifs/nl.gif<br />drag xy<br />fcircle -3,2,100,green<br />fillpattern gifs/cn.gif<br />drag xy<br />fcircle 3,2,100,green</code>
		1642	@ fillpattern is also active for <a href="#userdraw">userdraw object,color</a>...<br />the userdraw family a has also ''clickfill type`` (e.g. an object gets filled between boundaries, when clicked) commands like:<br />'userdraw dotfill,color'<br />'userdraw hatchfill,color' etc
13948	schaersvoo	1643	@%fillpattern_1%size 400,400%xrange -5,5%yrange -5,5%opacity 165,150%fillpattern grid%fcircle -6,3,160,blue%fillpattern dot%fcircle -3,-3,160,red%fillpattern hatch%fcircle 0,3,160,green%filpattern diamond%fcircle 3,-3,160,cyan%zoom red
		1644	@%fillpattern_2%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%fillcolor green%fillpattern hatch%#fillpattern dot,diamond,grid,imageurl%userdraw fcircle,red
11837	schaersvoo	1645	*/
		1646	temp = get_string(infile,1);
11875	schaersvoo	1647	if( strstr(temp,"grid") != 0 ){ use_pattern = 2;use_filled = 2;} /* use_pattern is used in dragstuff library */
11837	schaersvoo	1648	else
11875	schaersvoo	1649	if( strstr(temp,"hatch") != 0 ){ use_pattern = 3;use_filled = 3;}
11837	schaersvoo	1650	else
11875	schaersvoo	1651	if( strstr(temp,"diamond") != 0 ){ use_pattern = 4;use_filled = 4;}
11837	schaersvoo	1652	else
11875	schaersvoo	1653	if( strstr(temp,"dot") != 0 ){ use_pattern = 5;use_filled = 5;}
11837	schaersvoo	1654	else
11875	schaersvoo	1655	if( strstr(temp,"/") != 0 ){ use_pattern = 6;use_filled = 0;if( js_function[ADD_LOAD_IMAGE] != 1 ){ js_function[ADD_LOAD_IMAGE] = 1; add_js_load_image(js_include_file,canvas_root_id);} fprintf(js_include_file,"get_image_from_url(\"%s\"); ",temp); }
11854	schaersvoo	1656	else
13829	bpr	1657	canvas_error("fillpattern unknown or typo...choose grid,hatch,diamond of dot...");
11837	schaersvoo	1658	break;
11806	schaersvoo	1659	case FILLTOBORDER:
		1660	/*
		1661	@ filltoborder x,y,bordercolor,color
14246	bpr	1662	@ fill the region of point (x:y) with color 'color'
11806	schaersvoo	1663	@ any other color will not act as border to the bucket fill
14246	bpr	1664	@ use this command after all boundary objects are declared.
11806	schaersvoo	1665	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
14071	bpr	1666	@ note: filltoborder is a very (client) cpu intensive operation!<br />filling is done pixel by pixel e.g. image size of 400x400 uses 160000 pixels: each pixel contains 4 data (R,G,B,Opacity) = 640000 data.<br />on every data a few operations / comparisons are done...<br />So have pity on your students CPU..
11806	schaersvoo	1667	@ maybe used together with command <a href="#userdraw">userdraw clickfill,color</a>
12110	schaersvoo	1668	@%filltoborder%size 400,400%xrange -10,10%yrange -10,10%canvastype 100%linewidth 2%precision 1000%jsplot blue,5*sin(x)%opacity 200,50%filltoborder 6,6,blue,blue%filltoborder 6,-6,blue,red
11806	schaersvoo	1669	*/
		1670	for(i=0 ;i < 4 ; i++){
		1671	switch(i){
		1672	case 0:double_data[0] = get_real(infile,0);break;
		1673	case 1:double_data[1] = get_real(infile,0);break;
		1674	case 2:bgcolor = get_color(infile,0);break;
		1675	case 3:fill_color = get_color(infile,1);
		1676	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1677	js_function[DRAW_FILLTOBORDER] = 1;
		1678	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1679	}
		1680	decimals = find_number_of_digits(precision);
		1681	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
14208	schaersvoo	1682	string_length = 1 + snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
		1683	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11818	schaersvoo	1684	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1685	add_to_buffer(tmp_buffer);
		1686	fill_cnt++;
		1687	break;
		1688	default:break;
8351	schaersvoo	1689	}
11806	schaersvoo	1690	}
		1691	reset();
		1692	break;
		1693	case FLOODFILL:
		1694	/*
		1695	@ floodfill x,y,color
14071	bpr	1696	@ alternative: <code>fill x,y,color</code>
11806	schaersvoo	1697	@ fill the region of point (x:y) with color 'color'
		1698	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
14246	bpr	1699	@ use this command after all boundary objects are declared.
14077	bpr	1700	@ Use command <code>userdraw clickfill,color</code> for user click driven flood fill.
11806	schaersvoo	1701	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
14071	bpr	1702	@ note: floodfill is a very (client) cpu intensive operation!<br />filling is done pixel by pixel e.g. image size of 400x400 uses 160000 pixels: each pixel contains 4 data (R,G,B,Opacity) = 640000 data.<br />on every data a few operations / comparisons are done...<br />So have pity on your students CPU..
12110	schaersvoo	1703	@%floodfill%size 400,400%xrange -10,10%yrange -10,10%canvastype 100%linewidth 2%precision 1000%jsplot blue,5*sin(x)%opacity 200,50%floodfill 6,6,blue%floodfill 6,-6,red
11806	schaersvoo	1704	*/
		1705	for(i=0 ;i < 4 ; i++){
		1706	switch(i){
		1707	case 0:double_data[0] = get_real(infile,0);break;
		1708	case 1:double_data[1] = get_real(infile,0);break;
		1709	case 2:fill_color = get_color(infile,1);
		1710	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1711	js_function[DRAW_FILLTOBORDER] = 1;
		1712	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1713	}
		1714	decimals = find_number_of_digits(precision);
		1715	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
14208	schaersvoo	1716	string_length = 1 + snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
		1717	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11818	schaersvoo	1718	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1719	add_to_buffer(tmp_buffer);
		1720	fill_cnt++;
		1721	break;
		1722	default:break;
		1723	}
		1724	}
		1725	reset();
		1726	break;
		1727
		1728	case FONTCOLOR:
		1729	/*
		1730	@ fontcolor color
		1731	@ color: hexcolor or colorname
		1732	@ default: black
13956	schaersvoo	1733	@ use command <a href="#fontfamily'>fontfamily</a> to deviate from default font type
		1734	@%fontcolor%size 400,400%xrange -10,10%yrange -10,10%fontcolor red%#note: use command fontfamily to change size and shape%axis%axisnumbering%grid 2,2,grey,2,2,4,grey
11806	schaersvoo	1735	*/
		1736	font_color = get_color(infile,1);
		1737	break;
		1738
		1739	case FONTFAMILY:
		1740	/*
		1741	@ fontfamily font_description
		1742	@ set the font family; for browsers that support it
14078	bpr	1743	@ font_description: Ariel, Courier, Helvetica etc
14246	bpr	1744	@ in case commands <code>string color,x,y,the string</code>, <code>stringup color,x,y,rotation,the string</code>, ''fontfamily`` can be something like:<code>fontfamily italic 34pt Ariel</code>. Use correct syntax: ''font style``, ''font size pt``, ''fontfamily``
13959	bpr	1745	@%fontfamily%size 400,400%xrange -10,10%yrange -10,10 %fontfamily Bold 10pt Ariel%string blue,-9,9,10 pt Ariel%fontfamily Italic 20pt Ariel%string blue,0,9,20 pt Ariel%fontfamily Bold 10pt Helvetica%string blue,-9,5,10 pt Helvetica%fontfamily Italic 20pt Helvetica%string blue,0,5,20 pt Helvetica %fontfamily Bold 10pt Courier%string blue,-9,0,10 pt Courier%fontfamily Italic 20pt Courier%string blue,0,0,20 pt Courier%fontfamily Bold 10pt Fixed%string blue,-9,-5,10 pt Fixed%fontfamily Italic 20pt Fixed%string blue,0,-5,20 pt Fixed %fontfamily Bold 10pt Times%string blue,-9,-9,10 pt Times%fontfamily Italic 20pt Times%string blue,0,-9,20 pt Times
		1746
11806	schaersvoo	1747	*/
		1748	font_family = get_string(infile,1);
		1749	break;
		1750
		1751	case FONTSIZE:
		1752	/*
		1753	@ fontsize font_size
		1754	@ default value 12
14247	bpr	1755	@ note: for some macros (like ''grid \| legend \| xaxistext \| xlabel`` etc) sometimes command <a href="#fontfamily">fontfamily</a> can be used for some specific font-setting<br />this is however not always very straight forward...so just try and see what happens
11806	schaersvoo	1756	*/
		1757	font_size = (int) (get_real(infile,1));
		1758	break;
		1759
		1760	case FUNCTION_LABEL:
		1761	/*
14071	bpr	1762	@ functionlabel some string
14086	bpr	1763	@ default value ''f(x)=``
11806	schaersvoo	1764	@ no mathml allowed (just ascii string)
13956	schaersvoo	1765	@ use command <a href='#fontsize'>fontsize int</a> to adjust the size
		1766	@ use command <a href='#strokecolor'>strokecolor colorname</a> to adjust the labels (individually, if needed)
14066	bpr	1767	@ if needed, use before every command <a href='#userinput'>userinput function \| inputfield \| textarea</a>
13956	schaersvoo	1768	@ no limit in amount of inputfields for userbased function plotting
11806	schaersvoo	1769	*/
		1770	function_label = get_string_argument(infile,1);
		1771	break;
		1772
14078	bpr	1773	case GRID:/* xmajor,ymajor,gridcolor [,xminor,yminor,tick length (px), axis/tickscolor]*/
11806	schaersvoo	1774	/*
		1775	@ grid step_x,step_y,gridcolor
14177	bpr	1776	@ if keywords <a href="#axis">axis</a> or <a href="#axisnumbering">axisnumbering</a> are set, use: <code>grid step_x,step_y,major_color,minor_x,minor_y,tics height in px,axis_color</code> minor x step = step_x / minor_x
		1777	@ in that case, use command <a href="#fontcolor">fontcolor</a>, <a href="#fontsize">fontsize</a> and / or <a href="#fontfamily">fontfamily</a> to adjust font; defaults: black,12,Ariel
14071	bpr	1778	@ if xmin > 0 and/or ymin > 0 and zooming / panning is not active: be aware that the x/y-axis numbering and x/y major/minor tic marks will not be visual as they are placed under the x-axis and left to the y-axis (in Quadrant II and IV)
14066	bpr	1779	@ can <b>not</b> be set <a href="#onclick">onclick</a> or <a href="#drag">drag xy</a>
14177	bpr	1780	@ use commands <a href="#xlabel">xlabel some_string</a> and/or <a href="#ylabel">ylabel some_string</a> to label axis; use command ''fontsize`` to adjust size: the font family is non-configurable 'italic your_fontsize px Ariel' !
14066	bpr	1781	@ see commands <a href="#xaxis">xaxis or xaxistext</a>, <a href="#yaxis">yaxis or yaxistext</a> to set tailormade values on axis (the used font is set by <a href="#fontfamily">command fontfamily</a>; default '12px Ariel')
14177	bpr	1782	@ see command <a href="#legend">legend</a> to set a legend for the graph; use command <a href="#fontsize">fontsize</a> to adjust size (the font family is non-configurable 'bold your_fontsize px Ariel')
12110	schaersvoo	1783	@%grid%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%zoom red
		1784	@%grid_axis%size 400,400%xrange -10,10%yrange -10,10%axis%grid 1,1,grey,2,2,6,black%zoom red
		1785	@%grid_axisnumbering%size 400,400%xrange -10,10%yrange -10,10%axisnumbering%precision 0%grid 1,1,grey,2,2,6,black%zoom red
		1786	@%grid_axis_axisnumbering%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 0%grid 1,1,grey,2,2,6,black%zoom red
11806	schaersvoo	1787	*/
		1788	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
		1789	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1790	for(i=0;i<4;i++){
		1791	switch(i){
		1792	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1793	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1794	case 2:
		1795	if( use_axis == TRUE ){
		1796	stroke_color = get_color(infile,0);
		1797	done = FALSE;
		1798	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1799	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1800	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1801	fill_color = get_color(infile,1); /* used as axis_color*/
8351	schaersvoo	1802	}
		1803	else
		1804	{
11806	schaersvoo	1805	int_data[0] = 1;
		1806	int_data[1] = 1;
		1807	stroke_color = get_color(infile,1);
		1808	fill_color = stroke_color;
8351	schaersvoo	1809	}
11806	schaersvoo	1810	if( double_data[0] <= 0 \|\| double_data[1] <= 0 \|\| int_data[0] <= 0 \|\| int_data[1] <= 0 ){canvas_error("major or minor ticks must be positive !");}
		1811	/* set snap_x snap_y values in pixels */
		1812	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
14208	schaersvoo	1813	string_length = 1 + snprintf(NULL,0, ";draw_grid%d(%d,%d,%.2f,%.f,%.f,%d,%d,%d,%d,\"%s\",\"%s\",%d,\"%s\",%d,%d,%d,%.2f,%d,%s,%d,%d,%d,\"%s\",%.2f);\n ",canvas_root_id,GRID_CANVAS,precision,stroke_opacity,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],int_data[2],line_width,stroke_color,fill_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_affine,affine_matrix,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1814	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	1815	snprintf(tmp_buffer,string_length,";draw_grid%d(%d,%d,%.2f,%.f,%.f,%d,%d,%d,%d,\"%s\",\"%s\",%d,\"%s\",%d,%d,%d,%.2f,%d,%s,%d,%d,%d,\"%s\",%.2f);\n ",canvas_root_id,GRID_CANVAS,precision,stroke_opacity,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],int_data[2],line_width,stroke_color,fill_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_affine,affine_matrix,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1816	add_to_buffer(tmp_buffer);
		1817	break;
8351	schaersvoo	1818	}
		1819	}
		1820	reset();
		1821	break;
11806	schaersvoo	1822	case GRIDFILL:
		1823	/*
		1824	@ gridfill x0,y0,dx,dy,color
		1825	@ x0,y0 in xrange / yrange
		1826	@ distances dx,dy in pixels
13936	bpr	1827	@ there is also a command <a href="#userdraw">userdraw gridfill,color</a>
12110	schaersvoo	1828	@%gridfill%size 400,400%xrange -10,10%yrange -10,10%canvastype 100%linewidth 2%precision 1000%jsplot blue,5*sin(x)%opacity 200,50%gridfill 6,6,10,10,blue%gridfill 6,-6,6,6,red
		1829
11806	schaersvoo	1830	*/
		1831	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
11820	schaersvoo	1832	decimals = find_number_of_digits(precision);
		1833	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1834	js_function[DRAW_FILLTOBORDER] = 1;
		1835	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1836	}
11806	schaersvoo	1837	for(i=0;i<5;i++){
		1838	switch(i){
11820	schaersvoo	1839	case 0: double_data[0] = get_real(infile,0); break; /* x */
		1840	case 1: double_data[1] = get_real(infile,0); break; /* y */
		1841	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1842	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1843	case 4: stroke_color = get_color(infile,1);
14208	schaersvoo	1844	string_length = 1 + snprintf(NULL,0, "draw_gridfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1845	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11820	schaersvoo	1846	snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1847	add_to_buffer(tmp_buffer);
11820	schaersvoo	1848	fill_cnt++;
11806	schaersvoo	1849	break;
		1850	default:break;
		1851	}
		1852	}
		1853	reset();
		1854	break;
8386	schaersvoo	1855
8244	schaersvoo	1856	case HALFLINE:
		1857	/*
		1858	@ demiline x1,y1,x2,y2,color
14071	bpr	1859	@ alternative: <code>halfline</code>
8244	schaersvoo	1860	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
9406	schaersvoo	1861	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12110	schaersvoo	1862	@%halfline%size 400,400%xrange -10,10%yrange -10,10%halfline -5,5,0,0,red%halfline -5,-5,0,0,blue
8244	schaersvoo	1863	*/
		1864	for(i=0;i<5;i++){
		1865	switch(i){
		1866	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		1867	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		1868	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		1869	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		1870	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		1871	if(double_data[0] == double_data[10]){ /* vertical halfline */
		1872	if(double_data[1] < double_data[11]){
		1873	double_data[3] = ymax + 1000;
		1874	}
		1875	else
		1876	{
		1877	double_data[3] = ymin - 1000;
		1878	}
10953	bpr	1879	double_data[2] = double_data[0];
8244	schaersvoo	1880	}
		1881	else
		1882	{ /* horizontal halfline*/
		1883	if( double_data[1] == double_data[11] ){
		1884	if( double_data[0] < double_data[10] ){
		1885	double_data[2] = xmax + 1000; /* halfline to the right */
		1886	}
		1887	else
		1888	{
		1889	double_data[2] = xmin - 1000; /* halfline to the left */
		1890	}
		1891	double_data[3] = double_data[1];
		1892	}
		1893	else
		1894	{
		1895	/* any other halfline */
		1896	/* slope */
		1897	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		1898	/* const */
		1899	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		1900	if( double_data[0] < double_data[10] ){
		1901	double_data[2] = double_data[2] + 1000;
		1902	}
		1903	else
		1904	{
		1905	double_data[2] = double_data[2] - 1000;
		1906	}
		1907	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		1908	}
10953	bpr	1909	}
14208	schaersvoo	1910	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,18,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1911	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	1912	/* click_cnt++; */
		1913	reset();
8244	schaersvoo	1914	break;
		1915	}
		1916	}
		1917	break;
8386	schaersvoo	1918
8365	schaersvoo	1919	case HALFLINES:
		1920	/*
		1921	@ demilines color,x1,y1,x2,y2,....
14071	bpr	1922	@ alternative: <code>halflines</code>
14246	bpr	1923	@ draws halflines starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex) etc
9406	schaersvoo	1924	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> indiviually
12110	schaersvoo	1925	@%halflines%size 400,400%xrange -10,10%yrange -10,10%halflines red,-5,5,0,0,-5,-5,0,0
8365	schaersvoo	1926	*/
		1927	stroke_color=get_color(infile,0);
		1928	fill_color = stroke_color;
		1929	i=0;
		1930	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	1931	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8365	schaersvoo	1932	if(i%2 == 0 ){
		1933	double_data[i] = get_real(infile,0); /* x */
		1934	}
		1935	else
		1936	{
		1937	double_data[i] = get_real(infile,1); /* y */
		1938	}
		1939	i++;
		1940	}
		1941	decimals = find_number_of_digits(precision);
		1942	for(c = 0 ; c < i-1 ; c = c+4){
		1943	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		1944	if(double_data[c+1] < double_data[c+3]){ /* upright halfline */
		1945	double_data[c+3] = ymax + 1000;
		1946	}
		1947	else
		1948	{
		1949	double_data[c+3] = ymin - 1000;/* descending halfline */
		1950	}
		1951	}
		1952	else
		1953	{
		1954	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		1955	if(double_data[c] < double_data[c+2] ){ /* halfline to the right */
		1956	double_data[c+2] = xmax+100;
		1957	}
		1958	else
		1959	{
		1960	double_data[c+2] = xmin-1000; /* halfline to the right */
		1961	}
		1962	}
		1963	else
		1964	{
		1965	/* m */
		1966	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		1967	/* q */
		1968	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		1969	if(double_data[c] < double_data[c+2]){ /* to the right */
14071	bpr	1970	double_data[c+2] = xmax+1000; /* 1000 is needed for dragging...otherwise it is just segment */
8365	schaersvoo	1971	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1972	}
		1973	else
		1974	{ /* to the left */
		1975	double_data[c+2] = xmin - 1000;
		1976	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1977	}
		1978	}
		1979	}
14208	schaersvoo	1980	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,18,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		1981	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	1982	/* click_cnt++; */
8365	schaersvoo	1983	}
		1984	reset();
		1985	break;
11806	schaersvoo	1986	case HATCHFILL:
		1987	/*
		1988	@ hatchfill x0,y0,dx,dy,color
		1989	@ x0,y0 in xrange / yrange
		1990	@ distances dx,dy in pixels
13936	bpr	1991	@ there is also a command <a href="#userdraw">userdraw hatchfill,color</a>
12110	schaersvoo	1992	@%hatchfill%size 400,400%xrange -10,10%yrange -10,10%canvastype 100%linewidth 2%precision 1000%jsplot blue,5*sin(x)%opacity 200,50%hatchfill 6,6,10,10,blue%hatchfill 6,-6,6,6,red
11806	schaersvoo	1993	*/
		1994	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
11820	schaersvoo	1995	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1996	js_function[DRAW_FILLTOBORDER] = 1;
		1997	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1998	}
		1999	decimals = find_number_of_digits(precision);
11806	schaersvoo	2000	for(i=0;i<5;i++){
		2001	switch(i){
11820	schaersvoo	2002	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2003	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2004	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		2005	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	2006	case 4: stroke_color = get_color(infile,1);
		2007	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
14208	schaersvoo	2008	string_length = 1 + snprintf(NULL,0, "draw_hatchfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2009	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11820	schaersvoo	2010	snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	2011	add_to_buffer(tmp_buffer);
11820	schaersvoo	2012	fill_cnt++;
11806	schaersvoo	2013	break;
		2014	default:break;
		2015	}
		2016	}
		2017	reset();
		2018	break;
8386	schaersvoo	2019
8224	bpr	2020	case HLINE:
7614	schaersvoo	2021	/*
		2022	@ hline x,y,color
14071	bpr	2023	@ alternative: <code>horizontalline</code>
7614	schaersvoo	2024	@ draw a horizontal line through point (x:y) in color 'color'
14066	bpr	2025	@ or use command <a href='#curve'>curve color,formula</a> to draw the line (uses more points to draw the line; is however better draggable)
9406	schaersvoo	2026	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12110	schaersvoo	2027	@%hline%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%hline 0,0,red%dhline 0,5,blue
7614	schaersvoo	2028	*/
		2029	for(i=0;i<3;i++) {
		2030	switch(i){
		2031	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		2032	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		2033	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		2034	double_data[3] = double_data[1];
		2035	decimals = find_number_of_digits(precision);
14208	schaersvoo	2036	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,100xmin,decimals,100xmax,decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		2037	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	2038	/* click_cnt++; */
		2039	reset();
7614	schaersvoo	2040	break;
		2041	}
		2042	}
		2043	break;
8366	schaersvoo	2044
		2045	case HLINES:
		2046	/*
		2047	@ hlines color,x1,y1,x2,y2,...
14071	bpr	2048	@ alternative: <code>horizontallines</code>
8366	schaersvoo	2049	@ draw horizontal lines through points (x1:y1)...(xn:yn) in color 'color'
9406	schaersvoo	2050	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
12110	schaersvoo	2051	@%hlines%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%hlines red,0,0,0,5,0,-5
8366	schaersvoo	2052	*/
		2053	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2054	fill_color = stroke_color;
		2055	i=0;
		2056	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	2057	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8366	schaersvoo	2058	if(i%2 == 0 ){
		2059	double_data[i] = get_real(infile,0); /* x */
		2060	}
		2061	else
		2062	{
		2063	double_data[i] = get_real(infile,1); /* y */
		2064	}
		2065	i++;
		2066	}
		2067	decimals = find_number_of_digits(precision);
		2068	for(c = 0 ; c < i-1 ; c = c+2){
14208	schaersvoo	2069	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,xmin,decimals,xmax,decimals,double_data[c+1],decimals,double_data[c+1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		2070	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	2071	/* click_cnt++; */
8366	schaersvoo	2072	}
		2073	reset();
		2074	break;
11806	schaersvoo	2075	case HTTP:
7614	schaersvoo	2076	/*
11806	schaersvoo	2077	@ http x1,y1,x2,y2,http://some_adress.com
14078	bpr	2078	@ an active html-page will be displayed in an "iframe" rectangle left top (x1:y1), right bottom (x2:y2)
11806	schaersvoo	2079	@ do not use interactivity (or mouse) if the mouse needs to be active in the iframe
14071	bpr	2080	@ can <b>not</b> be ''set onclick`` or ''drag xy``
12110	schaersvoo	2081	@%http%size 400,400%xrange -10,10%yrange -10,10%http 0,10,10,0,http://wims.unice.fr%opacity 200,50%drag xy%fcircle 0,0,100,green
7614	schaersvoo	2082	*/
11806	schaersvoo	2083	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		2084	for(i=0;i<5;i++){
7614	schaersvoo	2085	switch(i){
11806	schaersvoo	2086	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
14032	schaersvoo	2087	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
11806	schaersvoo	2088	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2089	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2090	case 4: decimals = find_number_of_digits(precision);
		2091	temp = get_string(infile,1);
		2092	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
14208	schaersvoo	2093	string_length = 1 + snprintf(NULL,0,"draw_http(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
11806	schaersvoo	2094	check_string_length(string_length);tmp_buffer = my_newmem(string_length+2);
		2095	snprintf(tmp_buffer,string_length,"draw_http(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
		2096	add_to_buffer(tmp_buffer);
7614	schaersvoo	2097	break;
		2098	}
		2099	}
11806	schaersvoo	2100	reset();
7614	schaersvoo	2101	break;
11806	schaersvoo	2102	case HTML:
8366	schaersvoo	2103	/*
11806	schaersvoo	2104	@ html x1,y1,x2,y2,html_string
14071	bpr	2105	@ all tags are allowed, html code using inputfields could be read using your own javascript code. Do not use ids like 'canvas_input0' etc.
		2106	@ can be set onclick (however dragging not supported)
14038	schaersvoo	2107	@ use keyword <a href='#centered'>centered</a> to center the html object on (x1:y1)
12110	schaersvoo	2108	@%html%size 400,400%xrange -10,10%yrange -10,10%html 0,10,10,0,<table style="border:solid 2px;background-color:yellow"><tr><th>qwerty</th><th>qwerty</th></tr><tr><td>qwerty</td><td>qwerty</td></tr><tr><td>qwerty</td><td>qwerty</td></tr><tr><td>qwerty</td><td>qwerty</td></tr><tr><td>qwerty</td><td>qwerty</td></tr></table> %opacity 200,50%drag xy%fcircle 0,0,100,green
8366	schaersvoo	2109	*/
11806	schaersvoo	2110	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2111	for(i=0;i<5;i++){
		2112	switch(i){
		2113	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
14032	schaersvoo	2114	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
14066	bpr	2115	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed: overflow */
		2116	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed: overflow */
11806	schaersvoo	2117	case 4: decimals = find_number_of_digits(precision);
		2118	temp = get_string(infile,1);
		2119	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
14208	schaersvoo	2120	string_length = 1 + snprintf(NULL,0,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2121	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
14044	schaersvoo	2122	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
11806	schaersvoo	2123	add_to_buffer(tmp_buffer);
		2124	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
14038	schaersvoo	2125	use_offset = 0;
11806	schaersvoo	2126	break;
		2127	default:break;
8366	schaersvoo	2128	}
		2129	}
		2130	break;
8386	schaersvoo	2131
11806	schaersvoo	2132	case IMAGEFILL:
7614	schaersvoo	2133	/*
11996	schaersvoo	2134	@ imagefill x,y,scaling to xsize × ysize?,image_url
11874	schaersvoo	2135	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2136	@ scaling to xsize × ysize ? ... 1 = yes 0 = no
14078	bpr	2137	@ After pattern filling, the fill-color should be reset !
14066	bpr	2138	@ wims getins / image from class directory: imagefill 80,80,my_image.gif
		2139	@ normal url: imagefill 80,80,0,$module_dir/gifs/my_image.gif
		2140	@ normal url: imagefill 80,80,1,http://adres/a/b/c/my_image.jpg
11874	schaersvoo	2141	@ if dx,dy is larger than the image, the whole image will be background to the next object.
13967	schaersvoo	2142	@%imagefill_tile%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%circles blue,0,0,5,3,2,5%imagefill 1.5,1.5,0,gifs/en.gif%imagefill -5,5,0,gifs/logo/wimsedu.png
		2143	@%imagefill_scale%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%circles blue,0,0,5,3,2,5%imagefill 1.5,1.5,1,gifs/en.gif%imagefill -5,5,1,gifs/logo/wimsedu.png
7614	schaersvoo	2144	*/
11806	schaersvoo	2145	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
11854	schaersvoo	2146	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2147	js_function[DRAW_FILLTOBORDER] = 1;
		2148	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		2149	}
11874	schaersvoo	2150	for(i=0 ;i < 4 ; i++){
7614	schaersvoo	2151	switch(i){
11806	schaersvoo	2152	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2153	case 1:int_data[1] = (int) (get_real(infile,0));break;
11874	schaersvoo	2154	case 2:int_data[2] = (int) (get_real(infile,0));break; /* 0 \| 1 */
		2155	case 3: URL = get_string_argument(infile,1);
14208	schaersvoo	2156	string_length = 1 + snprintf(NULL,0, "draw_imagefill(%d,%d,%d,\"%s\",%d,%d,%d,%d);\n",STATIC_CANVAS+fill_cnt,int_data[0],int_data[1],URL,xsize,ysize,use_userdraw,int_data[2]);
		2157	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11874	schaersvoo	2158	snprintf(tmp_buffer,string_length,"draw_imagefill(%d,%d,%d,\"%s\",%d,%d,%d,%d);\n",STATIC_CANVAS+fill_cnt,int_data[0],int_data[1],URL,xsize,ysize,use_userdraw,int_data[2]);
11806	schaersvoo	2159	add_to_buffer(tmp_buffer);
11874	schaersvoo	2160	fill_cnt++;
11806	schaersvoo	2161	break;
7614	schaersvoo	2162	}
		2163	}
11806	schaersvoo	2164	reset();
		2165	break;
14066	bpr	2166
14038	schaersvoo	2167	case IMAGEPALETTE:
		2168	/*
		2169	@ imagepalette image1,image2,image3,...
14071	bpr	2170	@ if used before & together with command <a href='#multidraw'>multidraw images,..,...,etc</a> the imag as will be presented in a small table in the 'control panel'
14246	bpr	2171	@%imagepalette%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%copy 0,0,-1,-1,-1,-1,gifs/images/skull_and_crossbones50.png%fontcolor green%fontfamily Bold 42pt Ariel%imagepalette gifs/ca.gif,gifs/en.gif,gifs/nl.gif,gifs/fr.gif,gifs/cn.gif,gifs/de.gif,gifs/kh.gif,gifs/it.gif%multiuserinput 0,0,1%inputstyle color:blue;%multisnaptogrid 1,1,1%multilinewidth 0,4,0%# attention: use unicode text input without the slash %# \u222D ---> u222D at least will sometimes work%# otherwise cut&past unicode symbols into inputfield...%multilabel TEXT,REACTION ARROW,FLAGS,STOP DRAWING%multidraw text,arrow,images
14038	schaersvoo	2172	*/
		2173	temp = get_string(infile,1);
		2174	temp = str_replace(temp,",","\",\"");
		2175	if( use_tooltip == 1 ){canvas_error("command 'imagepalette' is incompatible with command 'intooltip tip_text',as they use the same div-element ");}
		2176	fprintf(js_include_file,"\nvar current_id;var imagepalette = [\" %s \"];\n",temp);
		2177	break;
14066	bpr	2178
11806	schaersvoo	2179	case INPUTSTYLE:
		2180	/*
		2181	@ inputstyle style_description
14071	bpr	2182	@ may be used before any ''style-able`` html object (like inputfields or buttons) or any html objects that are generated by some canvasdraw commands
12107	schaersvoo	2183	@%inputstyle%size 400,400%xrange -10,10%yrange -10,10%inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt;text-align:center%input 0,0,10,1,Hello
11806	schaersvoo	2184	*/
		2185	input_style = get_string(infile,1);
7614	schaersvoo	2186	break;
11806	schaersvoo	2187	case INPUT:
		2188	/*
		2189	@ input x,y,size,editable,value
		2190	@ to set inputfield "readonly", use editable = 0
		2191	@ only active inputfields (editable = 1) will be read with read_canvas();
14246	bpr	2192	@ if ''$status=done`` (e.g. in answer.phtml) the inputfield will be cleared and set readonly<br />override this by keyword <a href="#status">status</a>
14066	bpr	2193	@ may be further controlled by <a href="#inputstyle">inputstyle</a> (inputcss is not yet implemented...)
11806	schaersvoo	2194	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (javascript:read_canvas();)
		2195	@ use keyword <a href='#xoffset'>xoffset \| centered</a> if the inputfield should be centered on (x:y)<br /> default is the left top corner is (x:y)
13953	schaersvoo	2196	@ if the student must place an inputfield(s) somewhere on the canvas, use command <a href="#userdraw">userdraw input,color</a> or make use of a command like <a href="#userdraw">userdraw text,color</a>
		2197	@%input%size 400,400%xrange -10,10%yrange -10,10%linewidth 6%point 1,2,red%input 1,2,5,1, ?%point -5,5,red%input -5,5,5,1, ?%point 6,-5,red%input 6,-5,5,1, ?%point -5,-8,red%input -5,-8,5,1, ?
11806	schaersvoo	2198	*/
		2199	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		2200	for(i = 0 ; i<5;i++){
		2201	switch(i){
		2202	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2203	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2204	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2205	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2206	case 4:
		2207	temp = get_string_argument(infile,1);
14208	schaersvoo	2208	string_length = 1 + snprintf(NULL,0, "draw_inputs(%d,%d,%d,%d,%d,%d,\"%s\",\"%s\",%d);\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],input_style,temp,use_offset);
		2209	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	2210	snprintf(tmp_buffer,string_length,"draw_inputs(%d,%d,%d,%d,%d,%d,\"%s\",\"%s\",%d);\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],input_style,temp,use_offset);
		2211	add_to_buffer(tmp_buffer);
		2212	input_cnt++;break;
		2213	default: break;
		2214	}
		2215	}
		2216	if(reply_format == 0 ){reply_format = 15;}
		2217	reset();
		2218	break;
8386	schaersvoo	2219
11806	schaersvoo	2220	case INTOOLTIP:
		2221	/*
		2222	@ intooltip link_text
		2223	@ link_text is a single line (span-element)
14071	bpr	2224	@ link_text may also be an image URL ''http://some_server/images/my_image.png`` or ''$module_dir/gifs/my_image.jpg``
11806	schaersvoo	2225	@ link_text may contain HTML markup
14071	bpr	2226	@ the canvas will be displayed in a tooltip on ''link_text``
		2227	@ the canvas is default transparent: use command <a href="#bgcolor">bgcolor color</a> to adjust background-color, the link text will also be shown with this 'bgcolor'.
		2228	@ many ''userinput stuff`` will use the tooltip_placeholder_div element...only one is defined in the wims-page<br />and are therefore these commands are mutually exclusive.<br />keep this in mind...
14246	bpr	2229	@%intooltip%size 400,400%xrange -10,10%yrange -10,10%fontfamily Bold 42pt Courier%string black,0,0,Hello World%intooltip <span style="background-color:black;color:white;font-style:bold;font-size:48pt;">CLICK <br />HERE</span>
11806	schaersvoo	2230	*/
		2231	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy or other commands using the tooltip-div...see documentation");}
		2232	if( use_tooltip == 1 ){ canvas_error("command 'intooltip' cannot be combined with command 'popup'...");}
		2233	tooltip_text = get_string(infile,1);
		2234	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2235	use_tooltip = 1;
		2236	break;
		2237
		2238	case JSCURVE:
7614	schaersvoo	2239	/*
11893	schaersvoo	2240	@ jscurve color,formula1(x),formula2(x),formula3(x),...
14071	bpr	2241	@ alternative: <code>jsplot color,formula(x)</code>
11893	schaersvoo	2242	@ your function will be plotted by the javascript engine of the client browser
		2243	@ if <a href='trange'>trange</a> is defined, the two functions will be plotted parametric<br /><b>note</b>: use <i>x</i> as variable...and not <i>t</i>. Use keyword <a href='#animate'>animate</a> to animate a point on the curve
14071	bpr	2244	@ use only basic math in your curve: <code>sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e</code>
		2245	@ use parenthesis and rawmath: use 2*x instead of 2x ; use 2^(sin(x))...etc etc (use error console to debug any errors...)
		2246	@ <b>attention</b>: last ''precision`` command in the canvasdraw script determines the calculation precision of the javascript curve plot !
11806	schaersvoo	2247	@ no validity check is done by wims.
14071	bpr	2248	@ zooming & panning are implemented:<br />use command ''zoom color`` for mouse driven zooming<br />or use keyword 'setlimits' for inputfields setting xmin/xmax, ymin/ymax
11806	schaersvoo	2249	@ zooming & panning is better than for curves produced by command <a href="#curve">curve color,formula</a> because for avery change in x/y-range the curve is recalculated in javascript
11893	schaersvoo	2250	@ use keyword <a href='animate'>animate</a> for animating a point on the curve
14071	bpr	2251	@ use command ''trace_jscurve formula(x)`` for tracing
14246	bpr	2252	@ use command ''jsmath formula(x)`` for calculating and displaying indiviual points on the curve
11806	schaersvoo	2253	@ can <b>not</b> be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> (yet)
14071	bpr	2254	@ commands plotjump / plotstep are not active for ''jscurve``
11806	schaersvoo	2255	@ every command jscurve will produce a new canvas (canvastype 111,112,113...) for this one curve.
14071	bpr	2256	@ plotting multiple js-curves on the same canvas (for example if you want to use 'userdraw clickfill,color' on <a href="#canvastype">canvastype</a> number 111, use:<br/> <code>jscurve red,fun1(x),fun2(x)...fun_n(x)</code>, you must specify individual multistrokecolors & multistrokeopacity & multilinewidth for these multiple js-curves to use different colors. Otherwise all curves will be the same color... Use commands like: <a href="#multistrokecolors">multistrokecolors</a>, <a href="#multilinewidth">multilinewidth</a>, <a href="#multidash">multidash</a>, <a href="#multistrokeopacity">multistroke</a>, <b>color</b> given for the command <code>jscurve color,formulas(x)</code> will not be used in that case... but the color argument must still be given in any case (otherwise syntax error...)
12107	schaersvoo	2257	@%jscurve%size 400,400%xrange -10,10%yrange -10,10%multicolors red,green,blue,orange%multilinewidth 1,1,1%multistrokeopacity 0.5,0.8,1.0%jscurve red,sin(x),1/sin(x),sin(x^2)
11806	schaersvoo	2258	*/
		2259	stroke_color = get_color(infile,0);
		2260	if( use_js_math == FALSE){/* add this stuff only once...*/
		2261	add_to_js_math(js_include_file);
		2262	use_js_math = TRUE;
		2263	}
		2264	if( use_js_plot == FALSE){
		2265	use_js_plot = TRUE;
		2266	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		2267	}
11893	schaersvoo	2268	int use_paramteric = 0;
		2269	if( tmin != 0 && tmax !=0){use_parametric = 1;}
11806	schaersvoo	2270	temp = get_string(infile,1);
		2271	temp = str_replace(temp,",","\",\"");
14208	schaersvoo	2272	string_length = 1 + snprintf(NULL,0, "jsplot(%d,[\"%s\"],[%d],[\"%s\"],[%.2f],[%d],%d,%d,[%f,%f],%d,%d,%d); ",JSPLOT_CANVAS+jsplot_cnt,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],tmin,tmax,plot_steps,use_parametric,use_animate);
		2273	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11893	schaersvoo	2274	snprintf(tmp_buffer,string_length,"jsplot(%d,[\"%s\"],[%d],[\"%s\"],[%.2f],[%d],%d,%d,[%f,%f],%d,%d,%d); ",JSPLOT_CANVAS+jsplot_cnt,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],tmin,tmax,plot_steps,use_parametric,use_animate);
11806	schaersvoo	2275	add_to_buffer(tmp_buffer);
		2276	jsplot_cnt++;
		2277	/* we need to create multiple canvasses, so we may zoom and pan ?? */
		2278	break;
		2279
		2280	case JSMATH:
		2281	/*
		2282	@ jsmath some_math_function
		2283	@ will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
14246	bpr	2284	@ default labels ''x`` and ''y``; the commands ''xlabel some_x_axis_name`` and ''ylabel some_y_axis_name`` will set the label for the input fields
14077	bpr	2285	@ use command 'inputstyle some_css' for styling the display fields. Use command 'fontsize int' to size the labels ''x`` and ''y``
14066	bpr	2286	@ the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath: use 2*x instead of 2x etc etc<br />no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
11806	schaersvoo	2287	@ be aware that the formula's of the plotted function(s) can be found in the page javascript source
12111	schaersvoo	2288	@%jsmath%size 400,400%xrange -10,10%yrange -10,10%jsplot blue,sin(x^2)%jsmath sin(x^2)
11806	schaersvoo	2289	*/
		2290	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		2291	if( use_js_math == FALSE){
		2292	add_to_js_math(js_include_file);
		2293	use_js_math = TRUE;
		2294	}
		2295	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1),font_size,input_style);
		2296	break;
		2297	case KILLAFFINE:
		2298	/*
		2299	@ killaffine
14066	bpr	2300	@ keyword: resets the transformation matrix to 1,0,0,1,0,0
11806	schaersvoo	2301	*/
		2302	use_affine = FALSE;
		2303	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		2304	break;
		2305
		2306	case KILLROTATE:
		2307	/*
14071	bpr	2308	@ killrotate
		2309	@ will reset the command <a href="#rotationcenter">rotationcenter xc,yc</a>
11806	schaersvoo	2310	@ a following rotate command will have the first object point as rotation center
		2311	@ if not set, the rotation center will remain unchanged
		2312	*/
		2313	rotation_center= my_newmem(6);
		2314	snprintf(rotation_center,5,"null");
		2315	break;
		2316
		2317	case KILLSLIDER:
		2318	/*
		2319	@ killslider
		2320	@ keyword (no arguments required)
		2321	@ ends grouping of object under a previously defined slider
		2322	*/
14208	schaersvoo	2323	slider_type = "0";
		2324	current_sliders = "[-1]";
14234	schaersvoo	2325	for(i=0;i<slider_cnt;i++){active_sliders[i]=-1;}
11806	schaersvoo	2326	break;
		2327
		2328	case KILLTRANSLATION:
		2329	/*
		2330	@ killtranslation
14071	bpr	2331	@ alternative: <code>killtranslate</code>
11806	schaersvoo	2332	@ resets the translation matrix to 1,0,0,1,0,0
		2333	*/
		2334	use_affine = FALSE;
		2335	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		2336	break;
14225	schaersvoo	2337	case LATEX:
		2338	/*
		2339	@ latex x,y,latex string
14230	schaersvoo	2340	@ can be set onclick <br />javascript:read_dragdrop(); will return click numbers of mathml-objects<br />if 4 clickable object are drawn, the reply could be 1,0,1,0 ... meaning clicked on the first and third object
		2341	@ can be set draggable<br /> the favascript:read_dragdrop() will return all coordinates <br />in same order as the canvas script: unmoved object will have their original coordinates...
		2342	@ snaptogrid is supported...snaptopoints will work, but use with care...due to the primitive dragging<br />technically: the dragstuff library is not used...the mathml is embedded in a new div element and not in the html5-canvas
		2343	@ when clicked, the mathml object will be drawn in red color; the div background color will be determined by the <a href="#fillcolor">fillcolor</a> and <a href="#opacity">opacity</a> settings
		2344	@ userdraw may be combined with 'mathml' ; the read_canvas() will contain the drawing.
14246	bpr	2345	@ draggable or onclick 'external images' from command <a href='#copyresized'>copy or copyresized</a> can be combined with drag and/or onclick mathml
14230	schaersvoo	2346	@ other drag objects (circles/rects etc) are supported, but read_dragdrop() will probably be difficult to interpret...
		2347	@ if inputfields are incorporated in mathml (with id's: id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_mathml();<br /><b>attention</b>: if after this mathml-input object other user-interactions are included, these will read mathml too using "read_canvas();"
		2348	@ If other inputfields (command input / command textarea) or userdraw is performed, the function read_canvas() will not read mathml. Use some generic function to read it....
14225	schaersvoo	2349	@ use keyword <a href='#centered'>centered</a> to center the katex div object on (x1:y1)
14230	schaersvoo	2350	@%latex_drag%size 400,400%xrange -10,10%yrange -10,10%grid 2,2,grey%snaptogrid%strokecolor red%drag xy%latex -6,5,\\frac{1}{2}+ \\frac{\\pi}{2}%strokecolor blue%drag xy%snaptogrid%latex -3,5,\\frac{1}{3}+ \\frac{\\pi}{3}%strokecolor green%drag xy%snaptogrid%latex 0,5,\\frac{1}{4}+ \\frac{\\pi}{4}%strokecolor orange%drag xy%snaptogrid%latex 3,5,\\frac{1}{5}+ \\frac{\\pi}{6}
		2351	@%latex_onclick%size 400,400%xrange -10,10%yrange -10,10%grid 2,2,grey%strokecolor red%onclick%latex -6,5,\\frac{1}{2}+ \\frac{\\pi}{2}%strokecolor blue%onclick%latex -3,5,\\frac{1}{3}+ \\frac{\\pi}{3}%strokecolor green%onclick%latex 0,5,\\frac{1}{4}+ \\frac{\\pi}{4}%strokecolor orange%onclick%latex 3,5,\\frac{1}{5}+ \\frac{\\pi}{6}
14225	schaersvoo	2352	*/
		2353	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
14227	schaersvoo	2354	drag_type=-1; /* hmmm */
14225	schaersvoo	2355	for(i=0;i<4;i++){
		2356	switch(i){
		2357	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2358	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2359	case 2: decimals = find_number_of_digits(precision);
14233	schaersvoo	2360	temp = get_string(infile,1);
14232	schaersvoo	2361	/* !!!! UNTIL MATHJAX IS REPLACED BY KATEX !!!! */
		2362	browser_type = 1;
14230	schaersvoo	2363	if(browser_type == 1 ){ /* GECKO needs TEX --> MML */
		2364	temp = getMML(temp);
		2365	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2366	string_length = 1 + snprintf(NULL,0,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2367	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
		2368	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2369	}
		2370	else
		2371	{
		2372	if( strstr(temp,"\\") != 0 ){ temp = str_replace(temp,"\\","\\\\"); }
		2373	string_length = 1 + snprintf(NULL,0,"draw_xml(%d,%d,%d,\"<div name='zoom_0' class='wims_katex' id='katex%d'>%s</div>\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],click_cnt,temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2374	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
		2375	snprintf(tmp_buffer,string_length, "draw_xml(%d,%d,%d,\"<div name='zoom_0' class='wims_katex' id='katex%d'>%s</div>\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],click_cnt,temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2376	}
14225	schaersvoo	2377	add_to_buffer(tmp_buffer);
		2378	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
		2379	use_offset = 0;
		2380	break;
		2381	default:break;
		2382	}
		2383	}
		2384	break;
14230	schaersvoo	2385	case LATTICE:
		2386	/*
		2387	@ lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
		2388	@ can <b>not</b> be set ''onclick`` or ''drag xy``
		2389	@%lattice%size 400,400%xrange -10,10%yrange -10,10%fillcolor red%linewidth 2%lattice -10,-10,0,1,1,1,10,10,red%fillcolor blue%lattice 10,-10,0,1,-1,1,10,10,blue
		2390	*/
		2391	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		2392	for( i = 0; i<9; i++){
		2393	switch(i){
		2394	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		2395	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		2396	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		2397	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
		2398	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		2399	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
		2400	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		2401	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		2402	case 8: stroke_color=get_color(infile,1);
		2403	decimals = find_number_of_digits(precision);
		2404	string_length = 1 + snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,%s,%d); ",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix,use_filled);
		2405	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
		2406	snprintf(tmp_buffer,string_length,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,%s,%d); ",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix,use_filled);
		2407	add_to_buffer(tmp_buffer);break;
		2408	default:break;
		2409	}
		2410	}
		2411	reset();
		2412	break;
		2413
11806	schaersvoo	2414	case LINE:
		2415	/*
		2416	@ line x1,y1,x2,y2,color
		2417	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
14071	bpr	2418	@ or use command ''curve color,formula`` to draw the line <br />(uses more points to draw the line; is however better draggable)
9406	schaersvoo	2419	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	2420	@%line%size 400,400%xrange -10,10%yrange -10,10%line 0,1,2,-1,green
7614	schaersvoo	2421	*/
8386	schaersvoo	2422	for(i=0;i<5;i++){
7614	schaersvoo	2423	switch(i){
11806	schaersvoo	2424	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		2425	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		2426	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		2427	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		2428	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		2429	if( double_data[10] == double_data[12] ){ /* vertical line*/
		2430	double_data[1] = xmin;
		2431	double_data[3] = ymax;
		2432	double_data[0] = double_data[10];
		2433	double_data[2] = double_data[10];
		2434	}
		2435	else
		2436	{
		2437	if( double_data[11] == double_data[13] ){ /* horizontal line */
		2438	double_data[1] = double_data[11];
		2439	double_data[3] = double_data[11];
		2440	double_data[0] = ymin;
		2441	double_data[2] = xmax;
		2442	}
		2443	else
		2444	{
		2445	/* m */
		2446	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		2447	/* q */
		2448	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
		2449
		2450	/xmin,mxmin+q,xmax,mxmax+q/
		2451
		2452	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		2453	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		2454	double_data[0] = xmin;
		2455	double_data[2] = xmax;
		2456	}
		2457	}
		2458	decimals = find_number_of_digits(precision);
14208	schaersvoo	2459	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		2460	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	2461	/* click_cnt++;*/
		2462	reset();
		2463	break;
7614	schaersvoo	2464	}
		2465	}
		2466	break;
8386	schaersvoo	2467
11806	schaersvoo	2468	case LINES:
8370	schaersvoo	2469	/*
11806	schaersvoo	2470	@ lines color,x1,y1,x2,y2...x_n-1,y_n-1,x_n,y_n
		2471	@ draw multiple lines through points (x1:y1)--(x2:y2) ...(x_n-1:y_n-1)--(x_n:y_n) in color 'color'
14071	bpr	2472	@ or use multiple commands ''curve color,formula`` or ''jscurve color,formule`` to draw the line <br />(uses more points to draw the line; is however better draggable)
11806	schaersvoo	2473	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
14071	bpr	2474	@ <b>attention</b>: the flydraw command ''lines`` is equivalent to canvasdraw command <a href="#polyline">polyline</a>
12107	schaersvoo	2475	@%lines%size 400,400%xrange -10,10%yrange -10,10%lines green,0,1,1,3,0,0,1,3,0,0,-2,1
8370	schaersvoo	2476	*/
		2477	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2478	fill_color = stroke_color;
		2479	i=0;
		2480	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	2481	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8370	schaersvoo	2482	if(i%2 == 0 ){
		2483	double_data[i] = get_real(infile,0); /* x */
		2484	}
		2485	else
		2486	{
		2487	double_data[i] = get_real(infile,1); /* y */
		2488	}
		2489	i++;
		2490	}
		2491	decimals = find_number_of_digits(precision);
		2492	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	2493	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		2494	double_data[c+1] = xmin;
		2495	double_data[c+3] = ymax;
		2496	double_data[c+2] = double_data[c];
		2497	}
		2498	else
		2499	{
		2500	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		2501	double_data[c+3] = double_data[c+1];
		2502	double_data[c] = ymin;
		2503	double_data[c+2] = xmax;
		2504	}
		2505	else
		2506	{
		2507	/* m */
		2508	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		2509	/* q */
		2510	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		2511	/xmin,mxmin+q,xmax,mxmax+q/
		2512	double_data[c+1] = (m)*(xmin)+(q);
		2513	double_data[c+3] = (m)*(xmax)+(q);
		2514	double_data[c] = xmin;
		2515	double_data[c+2] = xmax;
		2516	}
		2517	}
14208	schaersvoo	2518	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		2519	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	2520	/* click_cnt++; */
8370	schaersvoo	2521	}
		2522	reset();
		2523	break;
8386	schaersvoo	2524
11806	schaersvoo	2525
		2526	case LINEWIDTH:
7614	schaersvoo	2527	/*
11806	schaersvoo	2528	@ linewidth int
		2529	@ default 1
12107	schaersvoo	2530	@%linewidth%size 400,400%xrange -10,10%yrange -10,10%linewidth 1%line -5,-5,-5,5,red%linewidth 2%line -4,-5,-4,5,green%linewidth 3%line -3,-5,-3,5,blue%linewidth 4%line -2,-5,-2,5,orange%linewidth 1%line -1,-5,-1,5,brown%linewidth 5%line 1,-5,1,5,cyan%linewidth 6%line 3,-5,3,5,purple%linewidth 7%line 5,-5,5,5,black
7614	schaersvoo	2531	*/
11806	schaersvoo	2532	line_width = (int) (get_real(infile,1));
		2533	break;
		2534
		2535	case LEVELCURVE:
8363	schaersvoo	2536	/*
11806	schaersvoo	2537	@ levelcurve color,expression in x/y,l1,l2,...
		2538	@ draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		2539	@ the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		2540	@ every individual level curve may be set 'onclick / drag xy' <br />e.g. every single level curve (l1,l2,l3...l_n) has a unique identifier
14066	bpr	2541	@ note: the arrays for holding the javascript data are limited in size
		2542	@ note: reduce image size if javascript data arrays get overloaded<br />(command 'plotsteps int' will not control the data size of the plot...)
12107	schaersvoo	2543	@%levelcurve%size 400,400%xrange -10,10%yrange -10,10%levelcurve red,x*y,1,2,3,4
8363	schaersvoo	2544	*/
11806	schaersvoo	2545	fill_color = get_color(infile,0);
		2546	char *fun1 = get_string_argument(infile,0);
		2547	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		2548	i = 0;
		2549	done = FALSE;
		2550	while( !done ){
		2551	double_data[i] = get_real(infile,1);
		2552	i++;
		2553	}
		2554	for(c = 0 ; c < i; c++){
14208	schaersvoo	2555	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,eval_levelcurve(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision,double_data[c]),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		2556	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	2557	/* click_cnt++; */
		2558	}
		2559	reset();
		2560	break;
8386	schaersvoo	2561
11806	schaersvoo	2562	case LEGEND:
		2563	/*
		2564	@ legend string1:string2:string3....string_n
		2565	@ will be used to create a legend for a graph
14066	bpr	2566	@ also see command <a href='#piechart'>piechart</a>
14071	bpr	2567	@ will use the same colors per default as used in the graphs; use command <a href='#legendcolors'>legendcolors</a> to override the default
14086	bpr	2568	@ use command <a href="#fontsize">fontsize</a> to adjust. (command ''fontfamily`` is not active for command ''legend``)
14066	bpr	2569	@%legend%size 400,400%xrange -10,10%yrange -10,10%bgcolor white%fontsize 16%legend legend 1:legend 2:legend 3:legend 4:this is legend 5:legend 6:another legend abc%legendcolors red:green:blue%grid 1,1,white%# note: command "grid" is mandatory%# just set grid invisible if not wanted
11806	schaersvoo	2570	*/
		2571	temp = get_string(infile,1);
		2572	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
14066	bpr	2573	legend_cnt++; /* attention: starts with -1: it will be used in piechart etc */
11806	schaersvoo	2574	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
		2575	break;
		2576
		2577	case LEGENDCOLORS:
		2578	/*
		2579	@ legendcolors color1:color2:color3:...:color_n
		2580	@ will be used to colour a legend: use this command after the legend command ! e.g.<br />legend test1:test2:test3<br />legendcolors blue:red:orange
		2581	@ make sure the number of colours match the number of legend items
		2582	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
13960	bpr	2583	@%legendcolors%size 400,400%xrange -10,10%yrange -10,10%fontsize 18%legend legend 1:legend 2:legend 3%legendcolors red:green:blue%grid 1,1,grey
11806	schaersvoo	2584	*/
		2585	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
		2586	temp = get_string(infile,1);
		2587	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2588	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
		2589	break;
		2590
14078	bpr	2591	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed', 'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
11806	schaersvoo	2592	/*
		2593	@ linegraph x1:y1:x2:y2...x_n:y_n
		2594	@ will plot your data in a graph
14066	bpr	2595	@ may <b>only</b> to be used together with command <a href='#grid'>grid</a>
		2596	@ can be used together with freestyle x-axis/y-axis texts: see commands <a href='#xaxis'>xaxis</a>,<a href='#xaxisup'>xaxisup</a> and <a href='#yaxis'>yaxis</a>
		2597	@ use command <a href='#legend'>legend</a> to provide an optional legend in right-top-corner
		2598	@ also see command <a href='#piechart'>piechart</a>
11806	schaersvoo	2599	@ multiple linegraphs may be used in a single plot
14066	bpr	2600	@ note: your arguments are not checked by canvasdraw: use your javascript console in case of trouble...
14247	bpr	2601	@ <ul><li>use command <a href='#strokecolor'>strokecolor</a> before a command ``linegraph'' to set the color of this graph</li><li>use command <a href='#linewidth'>linewidth</a> before command ``linegraph'' to set linewidth of this graph</li><li>use keyword <a href='#dashed'>dashed</a> before command ``linegraph'' to set dashing of the graph</li><li>if dashing is set, use command <a href='#dashtype'>dashtype</a> before command ``linegraph'' to set the type of dashing of the (individual) graph</li></ul>
12107	schaersvoo	2602	@%linegraph%size 400,400%xrange -10,10%yrange -10,10%strokecolor red%linegraph -10:1:-5:-1:3:3:10:-5%strokecolor blue%linegraph -10:-1:-5:1:3:-3:10:5%dashed%strokecolor green%linegraph -10:2:-5:-2:3:4:10:2%grid 1,1,grey
11806	schaersvoo	2603	*/
		2604	temp = get_string(infile,1);
		2605	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2606	fprintf(js_include_file,"var linegraph_%d = [\"%s\",\"%d\",\"%d\",\"%d\",\"%d\",\"%s\"];",linegraph_cnt,stroke_color,line_width,use_dashed,dashtype[0],dashtype[1],temp);
		2607	linegraph_cnt++;
		2608	reset();
		2609	break;
		2610
		2611	case MATHML:
		2612	/*
		2613	@ mathml x1,y1,x2,y2,mathml_string
14230	schaersvoo	2614	@ this command is special for GECKO browsers, and it makes use of Native Mathml
14247	bpr	2615	@ For use with all browsers use command, <a href='#latex'>latex</a>
14038	schaersvoo	2616	@ the mathml object is centered at (x1:y1)
14247	bpr	2617	@ the ``mathml_string'' can be produced using WIMS commands like ``texmath'' followed by ``mathmlmath''... or write correct TeX and use only ``mathmlmath''
13829	bpr	2618	@ mathml will be displayed in a rectangle left top (x1:y1)...<br />x2 and y2 are still needed, but not used as the right bottom corner of the embedded div element.
14246	bpr	2619	@ in case of drag(xy\|x\|y) \| onclick the div rectangle left to corner will be the drag-anchor of the mathml object
14247	bpr	2620	@ can be set onclick <code>javascript:read_dragdrop();</code> will return click numbers of mathml-objects; if 4 clickable object are drawn, the reply could be 1,0,1,0 ... meaning clicked on the first and third object
		2621	@ can be set draggable<br /> <code>javascript:read_dragdrop()</code> will return all coordinates in same order as the canvas script: unmoved objects will have their original coordinates...
		2622	@ snaptogrid is supported...snaptopoints will work, but use with care... due to the primitive dragging. Technically: the dragstuff library is not used... the mathml is embedded in a new div element and not in the html5-canvas.
		2623	@ when clicked, the mathml object will be drawn in red color; the div background color will be determined by the <a href="#fillcolor">fillcolor</a> and <a href="#opacity">opacity</a> settings.
11806	schaersvoo	2624	@ userdraw may be combined with 'mathml' ; the read_canvas() will contain the drawing.
14246	bpr	2625	@ draggable or onclick 'external images' from command <a href='#copyresized'>copy or copyresized</a> can be combined with drag and/or onclick mathml
14078	bpr	2626	@ other drag objects (circles/rects etc) are supported, but read_dragdrop() will probably be difficult to interpret...
14066	bpr	2627	@ if inputfields are incorporated in mathml (with id's: id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_mathml();<br /><b>attention</b>: if after this mathml-input object other user-interactions are included, these will read mathml too using "read_canvas();"
11806	schaersvoo	2628	@ If other inputfields (command input / command textarea) or userdraw is performed, the function read_canvas() will not read mathml. Use some generic function to read it....
14038	schaersvoo	2629	@ use keyword <a href='#centered'>centered</a> to center the mathml/xml object on (x1:y1)
14246	bpr	2630	@%mathml_onclick%size 400,400%xrange -10,10%yrange -10,10%onclick%strokecolor red%mathml -5,5,0,0,<span style="font-size:1em;"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mstyle id="wims_mathml366290"><mrow><mo stretchy="true">[</mo><mtable rowspacing="0.5ex" columnalign=" left " columnlines=" none " rowlines=" none " ><mtr><mtd><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mstyle displaystyle="true"><mfrac><mn>1</mn><mn>2</mn></mfrac></mstyle><mo>⋅</mo><msup><mi>x</mi> <mn>2</mn></msup></mtd></mtr> <mtr><mtd><mi>g</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msqrt><mstyle displaystyle="true"><mfrac><mn>1</mn><mrow><msup><mi>x</mi> <mn>2</mn></msup></mrow></mfrac></mstyle></msqrt></mtd></mtr></mtable><mo stretchy="true">]</mo></mrow></mstyle></math></span>%onclick%strokecolor blue%mathml 5,5,0,0,<span style="font-size:1em;"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mstyle id="wims_mathml580175" ><mrow><mo stretchy="true">[</mo><mtable rowspacing="0.5ex" columnalign=" left " columnlines=" none " rowlines="none"><mtr><mtd><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mstyle displaystyle="true"><mfrac><mn>1</mn><mrow><mi>sin</mi><mrow><mo stretchy="true">(</mo><msup><mi>x</mi> <mn>2</mn></msup><mo stretchy="true">)</mo></mrow></mrow></mfrac></mstyle></mtd></mtr> <mtr><mtd><mi>g</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msqrt><mrow><mi>sin</mi><mrow><mo stretchy="true">(</mo><msup><mi>x</mi> <mn>2</mn></msup><mo stretchy="true">)</mo></mrow></mrow></msqrt></mtd></mtr></mtable><mo stretchy="true">]</mo></mrow></mstyle></math></span>
		2631	@%mathml_drag%size 400,400%xrange -10,10%yrange -10,10%drag xy%strokecolor red%mathml -5,5,0,0,<span style="font-size:1em;"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mstyle id="wims_mathml366290"><mrow><mo stretchy="true">[</mo><mtable rowspacing="0.5ex" columnalign=" left " columnlines=" none " rowlines=" none "><mtr><mtd><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mstyle displaystyle="true"><mfrac><mn>1</mn><mn>2</mn></mfrac></mstyle><mo>⋅</mo><msup><mi>x</mi> <mn>2</mn></msup></mtd></mtr> <mtr><mtd><mi>g</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msqrt><mstyle displaystyle="true"><mfrac><mn>1</mn><mrow><msup><mi>x</mi> <mn>2</mn></msup></mrow></mfrac></mstyle></msqrt></mtd></mtr></mtable><mo stretchy="true">]</mo></mrow></mstyle></math></span>%drag xy%strokecolor blue%mathml 5,5,0,0,<span style="font-size:1em;"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mstyle id="wims_mathml580175" ><mrow><mo stretchy="true">[</mo><mtable rowspacing="0.5ex" columnalign=" left " columnlines=" none " rowlines=" none "><mtr><mtd><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mstyle displaystyle="true"><mfrac><mn>1</mn><mrow><mi>sin</mi><mrow><mo stretchy="true">(</mo><msup><mi>x</mi> <mn>2</mn></msup><mo stretchy="true">)</mo></mrow></mrow></mfrac></mstyle></mtd></mtr> <mtr><mtd><mi>g</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msqrt><mrow><mi>sin</mi><mrow><mo stretchy="true">(</mo><msup><mi>x</mi> <mn>2</mn></msup><mo stretchy="true">)</mo></mrow></mrow></msqrt></mtd></mtr></mtable><mo stretchy="true">]</mo></mrow></mstyle></math></span>%#click left top corner...then drag...
11806	schaersvoo	2632	*/
14227	schaersvoo	2633	if( browser_type == 0 ){ break;} /* should use command latex */
14062	schaersvoo	2634	if(use_offset == 0){use_offset = 4;} /* always centered if not otherwise stated ! */
11806	schaersvoo	2635	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2636	for(i=0;i<5;i++){
		2637	switch(i){
		2638	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
14032	schaersvoo	2639	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
14066	bpr	2640	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed: overflow */
		2641	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed: overflow */
11806	schaersvoo	2642	case 4: decimals = find_number_of_digits(precision);
		2643	temp = get_string(infile,1);
		2644	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
14208	schaersvoo	2645	string_length = 1 + snprintf(NULL,0,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
		2646	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
14044	schaersvoo	2647	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,use_offset,use_snap);
11806	schaersvoo	2648	add_to_buffer(tmp_buffer);
		2649	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
14038	schaersvoo	2650	use_offset=0;
11806	schaersvoo	2651	/*
14078	bpr	2652	in case inputs are present, trigger adding the read_mathml()
11806	schaersvoo	2653	if no other reply_format is defined
		2654	note: all other reply types will include a reading of elements with id='mathml'+p)
		2655	*/
		2656	if(strstr(temp,"mathml0") != NULL){
		2657	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
		2658	}
		2659	break;
		2660	default:break;
		2661	}
		2662	}
		2663	break;
		2664
		2665	case MOUSE:
		2666	/*
		2667	@ mouse color,fontsize
14246	bpr	2668	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
11806	schaersvoo	2669	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
12107	schaersvoo	2670	@%mouse%size 400,400%xrange -10,10%yrange -10,10%mouse red,22
11806	schaersvoo	2671	*/
		2672	stroke_color = get_color(infile,0);
		2673	font_size = (int) (get_real(infile,1));
		2674	tmp_buffer = my_newmem(26);
13371	schaersvoo	2675	snprintf(tmp_buffer,26,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
11806	schaersvoo	2676	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
		2677	break;
		2678
		2679
		2680	case MOUSE_DEGREE:
		2681	/*
		2682	@ mouse_degree color,fontsize
		2683	@ will display the angle in degrees between x-axis, (0:0) and the cursor (x:y) in 'color' and 'font size'<br /> using a fontfamily Ariel
		2684	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
		2685	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
12107	schaersvoo	2686	@%mouse_degree%size 400,400%xrange -10,10%yrange -10,10%userdraw arc,blue%precision 100000%mouse_degree red,22
11806	schaersvoo	2687	*/
		2688	stroke_color = get_color(infile,0);
		2689	font_size = (int) (get_real(infile,1));
		2690	tmp_buffer = my_newmem(26);
13371	schaersvoo	2691	snprintf(tmp_buffer,26,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
11806	schaersvoo	2692	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2693	js_function[JS_FIND_ANGLE] = 1;
		2694	break;
		2695	case MOUSE_DISPLAY:
		2696	/*
		2697	@ display TYPE,color,fontsize
		2698	@ TYPE may be x \| y \| xy \| degree \| radian \| radius
14247	bpr	2699	@ will display the mouse cursor coordinates as x-only,y-only,(x:y), the radius of a circle (this only in case 'userdraw circle(s),color') or the angle in degrees or radians for commands <code>userdraw arc,color</code> or protractor, ruler (if set dynamic).
		2700	@ use commands ``xunit'' and / or ``yunit'' to add the units to the mouse values. The ``degree \| radian'' will always have the appropriate symbol).
14077	bpr	2701	@ just like commands ''mouse``, ''mousex``, ''mousey``, ''mouse_degree``... only other name
12111	schaersvoo	2702	@%display_x%size 400,400%xrange -10,10%yrange -10,10%xunit \\u212B%display x,red,22
12107	schaersvoo	2703	@%display_y%size 400,400%xrange -10,10%yrange -10,10%yunit seconds%display y,red,22
13936	bpr	2704	@%display_xy%size 400,400%xrange -10,10%yrange -10,10%xunit centimetre%yunit seconds%display xy,red,22%userdraw segments,blue
12107	schaersvoo	2705	@%display_deg%size 400,400%xrange -10,10%yrange -10,10%display degree,red,22%fillcolor orange%opacity 200,50%userdraw arc,blue
		2706	@%display_rad%size 400,400%xrange -10,10%yrange -10,10%display radian,red,22%fillcolor orange%opacity 200,50%userdraw arc,blue
12111	schaersvoo	2707	@%display_radius%size 400,400%xrange -10,10%yrange -10,10%xunit cm%xunit \\u212b%display radius,red,22%userdraw circle,blue
11806	schaersvoo	2708	*/
		2709	temp = get_string_argument(infile,0);
		2710	if( strstr(temp,"xy") != NULL ){
		2711	int_data[0] = 2;
		2712	}else{
		2713	if( strstr(temp,"y") != NULL ){
		2714	int_data[0] = 1;
		2715	}else{
		2716	if( strstr(temp,"x") != NULL ){
		2717	int_data[0] = 0;
		2718	}else{
		2719	if(strstr(temp,"degree") != NULL){
		2720	int_data[0] = 3;
		2721	js_function[JS_FIND_ANGLE] = 1;
		2722	}else{
		2723	if(strstr(temp,"radian") != NULL){
		2724	int_data[0] = 4;
		2725	js_function[JS_FIND_ANGLE] = 1;
		2726	}else{
		2727	if(strstr(temp,"radius") != NULL){
		2728	int_data[0] = 5;
		2729	}else{
		2730	int_data[0] = 2;
		2731	}
		2732	}
		2733	}
		2734	}
		2735	}
		2736	}
		2737	stroke_color = get_color(infile,0);
		2738	font_size = (int) (get_real(infile,1));
		2739	tmp_buffer = my_newmem(26);
13371	schaersvoo	2740	snprintf(tmp_buffer,26,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
11806	schaersvoo	2741	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2742	break;
		2743
		2744	case MOUSE_PRECISION:
		2745	/*
		2746	@ precision int
		2747	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
		2748	@ may be used / changed before every object
14247	bpr	2749	@ In case of user interaction (like ''userdraw`` or ''multidraw``), this value will be used to determine the amount of decimals in the reply / answer
13936	bpr	2750	@%precision%size 400,400%xrange -10,10%yrange -10,10%precision 1%userdraw segment,red
11806	schaersvoo	2751	*/
		2752	precision = (int) (get_real(infile,1));
		2753	if(precision < 1 ){precision = 1;};
		2754	break;
		2755
		2756	case MOUSEX:
		2757	/*
		2758	@ mousex color,fontsize
14247	bpr	2759	@ will display the cursor x-coordinate in ''color`` and ''font size`` using the fontfamily Ariel.
		2760	@ note: use command ''mouse`` at the end of your script code (the same is true for command ''zoom``).
11806	schaersvoo	2761
		2762	*/
		2763	stroke_color = get_color(infile,0);
		2764	font_size = (int) (get_real(infile,1));
		2765	tmp_buffer = my_newmem(26);
13371	schaersvoo	2766	snprintf(tmp_buffer,26,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
11806	schaersvoo	2767	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2768	break;
		2769	case MOUSEY:
		2770	/*
		2771	@ mousey color,fontsize
14247	bpr	2772	@ will display the cursor y-coordinate in ''color`` and ''font size`` using default fontfamily Ariel.
		2773	@ note: use command ''mouse`` at the end of your script code (the same is true for command ''zoom``).
11806	schaersvoo	2774
		2775	*/
		2776	stroke_color = get_color(infile,0);
		2777	font_size = (int) (get_real(infile,1));
		2778	tmp_buffer = my_newmem(26);
13371	schaersvoo	2779	snprintf(tmp_buffer,26,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
11806	schaersvoo	2780	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2781	break;
		2782
		2783	case MULTIDASH:
		2784	/*
		2785	@ multidash 0,1,1
14071	bpr	2786	@ meaning draw objects no. 2 (circle) and 3 (segments), in the list of command like <code>multifill points,circle,segments</code>, are dashed
14066	bpr	2787	@ use before command <a href='#multidraw'>multidraw</a>
14247	bpr	2788	@ if not set all objects will be set ''not dashed``... unless a generic keyword ''dashed`` was given before command ''multidraw``
14071	bpr	2789	@ the dash-type is not -yet- adjustable <br />(e.g. command <code>dashtype line_px,space_px</code> will give no control over multidraw objects)
11806	schaersvoo	2790	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
14077	bpr	2791	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2792	*/
		2793	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2794	temp = get_string(infile,1);
		2795	temp = str_replace(temp,",","\",\"");
		2796	fprintf(js_include_file,"var multidash = [\"%s\"];",temp);
		2797	reset();/* if command 'dashed' was given...reset to not-dashed */
		2798	break;
		2799
		2800	case MULTIDRAW:
		2801	/*
		2802	@ multidraw obj_type_1,obj_type_2...obj_type_11
14066	bpr	2803	@ for simple single object user drawings you could also use command <a href="#userdraw">userdraw</a>
14177	bpr	2804	@ implemented obj_types:<ul><li>point \| points</li><li>circle \| circles</li><li>line \| lines</li><li>segment \| segments</li><li>arrow \| arrows <br />use command 'arrowhead int' for size (default value 8 pixels)</li><curvedarrow \| curvedarrows</li><li>rect \| rects</li><li>closedpoly<br /><b>only one</b> closedpolygon may be drawn.The number of ''corner points`` is not preset (e.g. not limited, freestyle)<br />the polygon is closed when clicking on the first point again..(+/- 10px)</li><li>triangle \| triangles</li><li>parallelogram \| parallelograms</li><li>poly[3-9] \| polys[3-9] draw 3...9 point polygone(s): polys3 is of course triangles</li><li>images</li></ul>
14077	bpr	2805	@ additionally objects may be user labelled, using obj_type ''text``...<br />in this case allways a text input field and if <a href='#multiuserinput'> multiuserinput=1 </a> also (x:y) inputfields will be added to the page.<br />use commands ''fontfamily`` and ''fontcolor`` to adjust (command ''multistrokeopacity`` may be set to adjust text opacity)<br />note: text is always centered on the mouse-click or user-input coordinates !<br />note: no keyboard listeners are used
14086	bpr	2806	@ it makes no sense using something like ''multidraw point,points`` ... <br />something like "multidraw polys4,polys7" will only result in drawing a ''4 point polygone`` and not a ''7 point polygone``: this is a design flaw and not a feature...
13948	schaersvoo	2807	@ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
14078	bpr	2808	@ buttons for changing the obj_type (and in case of ''multiuserinput``, some inputfields and buttons) <br />will be present in the reserved div ''tooltip_div`` and can be styled using command 'inputstyle some_css'
		2809	@ the button label will be default the ''object primitive name`` (like ''point``, ''circles``).<br />If you want a different label (e.g. an other language), use command ''multilabel``<br />for example in dutch: <br /><code>multilabel cirkel,lijnstuk,punten,STOP<br />multidraw circle,segment,points</code><br />(see command <a href='#multilabel'>multilabel</a> for more details)
14063	schaersvoo	2810	@ a right mouse button click will remove the last drawn object of the selected drawing type. All other type of objects are not removed
14071	bpr	2811	@ multidraw is incompatible with command ''tooltip`` (the reserved div_area is used for the multidraw control buttons)
		2812	@ all ''multidraw`` drawings will scale on zooming.<br />this in contrast to the command <a href="#userdraw">userdraw</a>.
11806	schaersvoo	2813	@ wims will <b>not</b> check the amount or validity of your command arguments ! <br />( use javascript console to debug any typo's )
14248	bpr	2814	@ a local function read_canvas%d will read all userbased drawings.<br />The output is always a 16 lines string with fixed sequence.<br/>line 1 = points_x+";"+points_y+"\\n"<br/>line 2 = circles_x+";"+circlespoint_y+";"+multi_radius+"\\n"<br/>line 3 = segments_x+";"+segments_y+"\\n"<br/>line 4 = arrows_x+";"+arrows_y+"\\n"<br/>line 5 = lines_x+";"+lines_y+"\\n"<br/>line 6 = triangles_x+";"+triangles_y+"\\n"<br/>line 7 = polys[3-9]_x+";"+polys[3-9]_y+"\\n"<br/>line 8 = rects_x +";"+rects_y+"\\n"<br />line 9 = closedpoly_x+";"+closedpoly_y+"\\n"<br/>line 10 = parallelogram_x+";"+parallelogram_y"\\n"<br/>line 11 = text_x+";"+text_y+";"+text"\\n"<br />line 12 = image_x+";"+image_y+";"+image_id<br />line 13 = curvedarrows_x +";"+ curvedarrows_y +"\\n"<br />line 14 = curvedarrows2_x +";"+ curvedarrows2_y +"\\n"<br />line 15 = userdraw_x +";"+userdraw_y + "\\n" note: this is for single 'userdraw object,color' and 'replyformat 29'<br/>line 16 = userdraw_x +";"+userdraw_y +";"+userdraw_radius + "\\n" note: this is for single 'userdraw object,color' and 'replyformat 29'<br/>The x/y-data are in x/y-coordinate system and display precision may be set by a previous command ''precision 0 \| 10 \| 100 \| 1000...``<br />In case of circles the radius is -for the time being- rounded to pixels<br /><b>use the wims "direct exec" tool to see the format of the reply</b>
14246	bpr	2815	@ It is best to prepare / format the student reply in clientside javascript.<br />However in wims language you could use something like this<br />for example you are interested in the polys5 drawings of a pupil (the pupil may draw multiple poly5 objects...)<br />note: the reply for 2 poly5's is: x11,x12,x13,x14,x15,x21,x22,x23,x24,x25 ; y11,y12,y13,y14,y15,y21,y22,y23,y24,y25<br />rep = !line 7 of reply <br />rep = !translate ';' to '\\n' in $rep <br />pts = 5 # 5 points for polygon <br />x_rep = !line 1 of $rep <br />y_rep = !line 2 of $rep <br />tot = !itemcnt $x_rep <br />num_poly = $[$tot/$pts] <br />idx = 0 <br />!for p=1 to $num_poly <br /> !for s=1 to $pts <br />  !increase idx <br />  X = !item $idx of $x_rep <br />  Y = !item $idx of $y_rep <br />  # do some checking <br /> !next s <br />!next p <br />
14092	bpr	2816	@ <b>attention</b>: for command argument ''closedpoly`` only one polygone can be drawn.<br />The last point (e.g. the point clicked near the first point) of the array is removed.
14071	bpr	2817	@ technical: all 10 'draw primitives' + 'text' will have their own -transparent- PNG bitmap canvas. <br />So for example there can be a points_canvas entirely separated from a line_canvas.<br />This to avoid the need for a complete redraw when something is drawn to the canvas...(eg only the object_type_canvas is redrawn)<br />This in contrast too many very slow do-it-all HTML5 canvas javascript libraries.<br />The mouselisteners are attached to the canvas-div element.
14247	bpr	2818	@ a special object type is 'images'.<br />if used together with <a href='#imagepalette'>imagepalette</a> a image table will be integrated in the 'control section' of multidraw (set <code>multiuserinput 1</code> for ''images``) if not used with <a href='#imagepalette'>imagepalette</a>, provide the images (<img> tag with bitmap or SVG) somewhere on the html exercise page, with an onclick handler like:<br /><code><img src='gifs/images/dog.svg' onclick='javascript:place_image_on_canvas(this.id);' id="ext_image_1" /><br /><img src='gifs/fish.png' onclick='javascript:place_image_on_canvas(this.id);' id="another" /></code><br />etc ... when activating the multidraw ''image`` button, the images can be selected<br /> (left mouse button/onclick) and placed on the canvas...left mouse click
14246	bpr	2819	@ When you are not content with the default ''multidraw control panel``, you can create your own interface, using a few javascript functions to call the drawprimitives, delete things and ''stop drawing`` in case you also want to drag&drop stuff...</br>To activate this feature, use <a href='#multilabel'>multilabel NOCONTROLS</a><br />The object types are internally represented by the following numbers (making typos will render your exercise null and void)<br/>point = 0<br />points =1<br />circle = 2<br />circles = 3<br />line = 4<br />lines = 5<br />segment = 6<br />segments = 7<br />arrow = 8<br />arrows = 9<br />triangle = 10<br />triangles = 11<br />closedspoly = 12<br />text = 13<br />rect = 14<br />rects = 15<br />poly[3-9] = 16<br />polys[3-9] = 17<br />parallelogram = 18<br />parallelograms = 19<br />images = 20<br />curvedarrow = 21<br />curvedarrows = 22<br />curvedarrow2 = 23<br />curvedarrows2 = 24<br />controls for example:<br /><code><input type='button' onclick='javascript:userdraw_primitive=null' value='STOP DRAWING' /><br /><input type='button' onclick='javascript:userdraw_primitive=24;multidraw_click_cnt = 0;' value='start drawing curvedarrows2' /> <br /><input type='button' onclick='javascript:var fun=eval("clear_draw_area"+canvas_scripts[0]);fun(24,0);' value='REMOVE LAST CURVEDARROW ' /> </code><br/> If using multiple canvas scripts in a single page, loop through the canvas_scripts[n] <br />note: if using NOCONTROLS and just a single draw primitive (for example, just: 'multidraw circles'), the object may be drawn directly. (analogue to 'userdraw circles,color')<br />And since a right mouse button click will always remove the last drawn object of the current object type, there is no need for a special "remove button"
12107	schaersvoo	2820	@%multidraw%size 400,400%xrange -10,10%yrange -10,10%multidash 1,0%multilinewidth 1,2%multistrokecolors red,blue%multisnaptogrid 1,1%multilabel LINES,CIRCLES,STOP DRAWING%multidraw lines,circles
14246	bpr	2821	@%multidraw_images%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%drag xy%# use special function to read the drag coordinates%copy 0,0,-1,-1,-1,-1,gifs/images/skull_and_crossbones50.png%fontcolor green%fontfamily Bold 42pt Ariel%imagepalette gifs/ca.gif,gifs/en.gif,gifs/nl.gif,gifs/fr.gif,gifs/cn.gif,gifs/de.gif,gifs/kh.gif,gifs/it.gif%multiuserinput 0,0,1%inputstyle color:blue;%multisnaptogrid 1,1,1%multilinewidth 0,4,0%# attention: use unicode text input without the slash %# \u222D ---> u222D at least will sometimes work%# otherwise cut&past unicode symbols into inputfield...%multilabel TEXT,REACTION ARROW,FLAGS,STOP DRAWING%multidraw text,arrow,images
14044	schaersvoo	2822	@%multidraw_demo%size 800,800%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%inputstyle color:blue;%fontfamily Italic 42pt Ariel%precision 1%opacity 200,50%snaptogrid%linewidth 3%filled%multistrokecolors red,green,blue,orange,yellow,purple,black,cyan,red,green,blue,orange,green,purple,black,cyan%multifillcolors red,green,blue,orange,yellow,purple,black,cyan,red,green,blue,orange,brown,purple%imagepalette gifs/ca.gif,gifs/en.gif,gifs/nl.gif,gifs/fr.gif,gifs/cn.gif,gifs/de.gif,gifs/kh.gif,gifs/it.gif%multidraw closedpoly,segments,rect,parallelogram,triangles,poly5,points,lines,arrows,circles,text,curvedarrows,curvedarrows2,images
14063	schaersvoo	2823	@%multidraw_NOCONTROLS%size 400,400%%xrange -10,10%yrange -10,10%grid 2,2,grey%linewidth 3%strokecolor green%fillcolor blue%filled%opacity 255,60%multilabel NOCONTROLS%multidraw circles%# RIGHT MOUSE CLICK REMOVES LAST OBJECT
11806	schaersvoo	2824	*/
14038	schaersvoo	2825	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
11806	schaersvoo	2826	if( use_userdraw == TRUE ){canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");}
		2827	use_userdraw = TRUE;
		2828	/* LET OP max 6 DRAW PRIMITIVES + TEXT */
		2829	temp = get_string(infile,1);
		2830	temp = str_replace(temp,",","\",\"");
14044	schaersvoo	2831	/* if these are not set, set the default values for the 18 (more than enough !) draw_primitives + draw_text */
14066	bpr	2832	/* int use_snap = 0; 0 = none 1=grid: 2=x-grid: 3=y-grid: 4=snap to points */
14044	schaersvoo	2833
11806	schaersvoo	2834	fprintf(js_include_file,"\
14044	schaersvoo	2835	if( typeof(multisnaptogrid) == 'undefined' && multisnaptogrid == null){var multisnaptogrid = ['%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d'];}\
14038	schaersvoo	2836	if( typeof(multistrokecolors) === 'undefined' && multistrokecolors == null ){ var multistrokecolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2837	if( typeof(multifillcolors) === 'undefined' && multifillcolors == null ){ var multifillcolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2838	if( typeof(multistrokeopacity) === 'undefined' && multistrokeopacity == null ){ var multistrokeopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f','%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2839	if( typeof(multifillopacity) === 'undefined' && multifillopacity == null ){ var multifillopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f','%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2840	if( typeof(multilinewidth) === 'undefined' && multilinewidth == null ){ var multilinewidth = ['%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2841	if( typeof(multifill) === 'undefined' && multifill == null ){ var multifill = ['%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2842	if( typeof(multidash) === 'undefined' && multidash == null ){ var multidash = ['%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
11806	schaersvoo	2843	if( typeof(multilabel) === 'undefined' && multilabel == null ){ var multilabel = [\"%s\",\"stop drawing\"];};\
14044	schaersvoo	2844	if( typeof(multiuserinput) === 'undefined' && multiuserinput == null ){ var multiuserinput = ['0','0','0','0','0','0','0','0'];};\
11806	schaersvoo	2845	var arrow_head = %d;var multifont_color = '%s';var multifont_family = '%s';",
14044	schaersvoo	2846	use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,use_snap,
14038	schaersvoo	2847	stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,
		2848	fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,
		2849	stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,
		2850	fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,
		2851	line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,
		2852	use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,
		2853	use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,
11806	schaersvoo	2854	temp,arrow_head,font_color,font_family);
		2855
		2856	if(strstr(temp,"text") != NULL){
		2857	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		2858	}
		2859
		2860	/* the canvasses range from 1000 ... 1008 */
14038	schaersvoo	2861	add_js_multidraw(js_include_file,canvas_root_id,temp,input_style,use_offset);
11806	schaersvoo	2862	reply_precision = precision;
		2863	if( reply_format == 0){reply_format = 29;}
		2864	reset();/* if command 'filled' / 'dashed' was given...reset all */
		2865	break;
		2866	case MULTILABEL:
		2867	/*
		2868	@ multilabel button_label_1,button_label_2,...,button_label_8,'stop drawing text'
14066	bpr	2869	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2870	@ if not set all labels (e.g. the value of input type 'button') will be set by the english names for the draw_primitives (like 'point','circle'...)
		2871	@ the ''stop drawing`` button text <b>must</b> be the last item on the ''multilabel`` -list <br />for example:<br /><code>multilabel punten,lijnen,Stop met Tekenen<br />multidraw points,lines</code>
		2872	@ all buttons can be ''styled`` by using command <code>inputstyle</code><br /><b>note:</b>If you want to add some CSS style to the buttons...<br />the id's of the ''draw buttons`` are their english command argument<br />(e.g. id="canvasdraw_points" for the draw points button).<br />the id of the ''stop drawing`` button is "canvasdraw_stop_drawing".<br />the id of the "OK" button is ''canvasdraw_ok_button``
11806	schaersvoo	2873	@ wims will not check the amount or validity of your input
14071	bpr	2874	@ always use the same sequence as is used for ''multidraw``
		2875	@ if you don't want the controls, and want to write your own interface, set <code>multilabel NOCONTROLS</code>
11806	schaersvoo	2876	*/
		2877	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2878	temp = get_string(infile,1);
		2879	temp = str_replace(temp,",","\",\"");
		2880	fprintf(js_include_file,"var multilabel = [\"%s\"];",temp);
		2881	break;
		2882	case MULTILINEWIDTH:
		2883	/*
		2884	@ multilinewidth linewidth_1,linewidth_2,...,linewidth_8
14066	bpr	2885	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2886	@ if not set all line widths will be set by a previous command ''linewidth int``
		2887	@ use these up to 7 different line widths for the draw primitives used by command <code>multidraw obj_type_1,obj_type_2...obj_type_7</code>
11806	schaersvoo	2888	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
14071	bpr	2889	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2890	*/
		2891	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2892	temp = get_string(infile,1);
		2893	temp = str_replace(temp,",","\",\"");
		2894	fprintf(js_include_file,"var multilinewidth = [\"%s\"];",temp);
		2895	break;
		2896	case MULTIFILL:
		2897	/*
		2898	@ multifill 0,0,1,0,1,0,0
14071	bpr	2899	@ meaning draw objects no. 3 and 5, in the list of command ''multifill``, are filled (if the object is fillable...and not a line,segment,arrow or point...)
14066	bpr	2900	@ use before command <a href='#multidraw'>multidraw</a>
14246	bpr	2901	@ if not set all objects -except point\|points- will be set ''not filled``... unless a command <code>filled</code> was given before command <code>multifill</code>
14078	bpr	2902	@ only suitable for draw_primitives like ''circle \| circles``, ''triangle \| triangles`` and ''polygon``
11806	schaersvoo	2903	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
14071	bpr	2904	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2905	*/
		2906	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2907	temp = get_string(infile,1);
		2908	temp = str_replace(temp,",","\",\"");
		2909	fprintf(js_include_file,"var multifill = [\"%s\"];",temp);
		2910	break;
		2911
		2912	case MULTIFILLCOLORS:
		2913	/*
		2914	@ multifillcolors color_name_1,color_name_2,...,color_name_8
14066	bpr	2915	@ use before command <a href='#multidraw'>multidraw</a>
14078	bpr	2916	@ if not set all fillcolors (for circle \| triangle \| poly[3-9] \| closedpoly ) will be ''stroke_color``, ''fill_opacity``
14071	bpr	2917	@ use these up to 6 colors for the draw primitives used by command <code>multidraw obj_type_1,obj_type_2...obj_type_n</code>
11806	schaersvoo	2918	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
14071	bpr	2919	@ always use the same sequence as is used for ''multidraw'
14078	bpr	2920	@ can also be used with command <a href='#userdraw'>userdraw clickfill,color</a> when more than one fillcolor is wanted.<br />in that case use for example <a href='#replyformat'>replyformat 10</a> ... reply=x1:y1:color1,x2:y2:color2...<br />the colors will restart at the first color, when there are more fill-clicks than multi-fill-colors<br />if more control over the used colours is wanted, see command <a href='#colorpalette'>colorpalette color1,color2...</a>
11806	schaersvoo	2921	*/
		2922	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2923	fprintf(js_include_file,"var multifillcolors = [");
		2924	while( ! done ){
		2925	temp = get_color(infile,1);
		2926	fprintf(js_include_file,"\"%s\",",temp);
		2927	}
		2928	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2929	break;
		2930
		2931	case MULTIFILLOPACITY:
		2932	/*
		2933	@ multifillopacity fill_opacity_1,fill_opacity_2,...,fill_opacity_8
		2934	@ float values 0 - 1 or integer values 0 - 255
14066	bpr	2935	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2936	@ if not set all fill opacity_ will be set by previous command <code>opacity int,int</code> and keyword ''filled``
		2937	@ use these up to 7 different stroke opacities for the draw primitives used by command <code>multidraw obj_type_1,obj_type_2...obj_type_y</code>
11806	schaersvoo	2938	@ wims will not check the amount or validity of your input
14071	bpr	2939	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2940	*/
		2941	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2942	temp = get_string(infile,1);
		2943	temp = str_replace(temp,",","\",\"");
		2944	fprintf(js_include_file,"var multifillopacity = [\"%s\"];",temp);
		2945	break;
		2946	case MULTISNAPTOGRID:
		2947	/*
		2948	@ multisnaptogrid 0,1,1
14071	bpr	2949	@ alternative: <code>multisnap</code>
		2950	@ meaning draw objects no. 2 (circle) and 3 (segments), in the list of command like <code>multifill points,circle,segments</code>, will snap to the xy-grid (default 1 in x/y-coordinate system: see command <a href='#snaptogrid'>snaptogrid</a>)
		2951	@ freehand drawing...specify precision for reply: all objects snap to grid <code>multisnaptogrid 1,1,1,...</code>
14246	bpr	2952	@ only the xy-values snap_to_grid: all objects snap to grid <code>multisnaptogrid 1,1,1,...</code>
14071	bpr	2953	@ only the x-values snap_to_grid: all objects snap to x-grid <code>multisnaptogrid 2,2,2,...</code>
		2954	@ only the y-values snap_to_grid: all objects snap to y-grid <code>multisnaptogrid 3,3,3,...</code>
		2955	@ if <a href='#snaptopoints'>snaptopoints</a> is defined: all objects snap to points <code>multisnaptogrid 4,4,4,...</code> <br /><b>make sure to define the points to snap on...</b> use command <a href='#snaptopoints'>snaptopoints</a>
		2956	@ <code>multisnaptogrid 0,1,2,3,4<br />multidraw text,arrow,line,circle,image</code><br />''text`` is free hand, ''arrow`` is snap to grid, ''line`` is snap to x-grid, ''circle`` is snap to y-grid, ''image`` is snap to points defined by command <a href='#snaptopoints'>snaptopoints</a>
14066	bpr	2957	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2958	@ attention: if not set all objects will be set ''no snap``... unless a generic command ''snaptogrid`` was given before command ''multidraw``
		2959	@ commands <a href='#xsnaptogrid'>xsnaptogrid</a>, <a href='#ysnaptogrid'>ysnaptogrid</a>, <a href='#snaptofunction'>snaptofunction</a> are <b>not</b> supported amd only functional for command <a href='#userdraw'>userdraw</a>
		2960	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2961	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2962	*/
		2963	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2964	temp = get_string(infile,1);
14038	schaersvoo	2965	fprintf(js_include_file,"var multisnaptogrid = [%s];",temp);
11806	schaersvoo	2966	reset();/* if command 'dashed' was given...reset to not-dashed */
		2967	break;
		2968	case MULTISTROKECOLORS:
		2969	/*
		2970	@ multistrokecolors color_name_1,color_name_2,...,color_name_8
14066	bpr	2971	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2972	@ if not set all colors will be ''stroke_color``, ''stroke_opacity``
		2973	@ use these up to 6 colors for the draw primitives used by command <code>multidraw obj_type_1,obj_type_2...obj_type_7</code>
11806	schaersvoo	2974	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
14071	bpr	2975	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2976	*/
		2977	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2978	fprintf(js_include_file,"var multistrokecolors = [");
		2979	while( ! done ){
		2980	temp = get_color(infile,1);
		2981	fprintf(js_include_file,"\"%s\",",temp);
		2982	}
		2983	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2984	break;
		2985	case MULTISTROKEOPACITY:
		2986	/*
		2987	@ multistrokeopacity stroke_opacity_1,stroke_opacity_2,...,stroke_opacity_7
		2988	@ float values 0 - 1 or integer values 0 - 255
14066	bpr	2989	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	2990	@ if not set all stroke opacity_ will be set by previous command <code>opacity int,int</code>
		2991	@ use these up to 7 different stroke opacities for the draw primitives used by command <code>multidraw obj_type_1,obj_type_2...obj_type_7</code>
11806	schaersvoo	2992	@ wims will not check the amount or validity of your input
14071	bpr	2993	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	2994	*/
		2995	if( use_tooltip == 1){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2996	temp = get_string(infile,1);
		2997	temp = str_replace(temp,",","\",\"");
		2998	fprintf(js_include_file,"var multistrokeopacity = [\"%s\"];",temp);
		2999	break;
		3000
		3001	case MULTIUSERINPUT:
		3002	/*
		3003	@ multiuserinput 0,1,1,0
14071	bpr	3004	@ alternative: <code>multiinput</code>
		3005	@ meaning, when the command ''multidraw`` is used <code>multidraw circles,points,lines,triangles</code><br />objects ''points`` and ''lines`` may additionally be ''drawn`` by direct input (inputfields)<br/>all other objects must be drawn with a mouse
		3006	@ in case of circle \| circles a third inputfield for Radius (R) is added. The radius must be in the x/y coordinate system (x-range) and <b>not</b> in pixels...students don't think in pixels.<br />note: R-values will not snap-to-grid
14086	bpr	3007	@ in case of line(s) \| segment(s) \| arrow(s) the user should write <b>x1:y1</b> in the first inputfield and <b/>x2:y2</b> in the second.<br />These ''hints`` are pre-filled into the input field.<br />Other coordinate delimiters are '';`` and '',`` e.g. <b>x1;y1</b> or <b>x1,y1</b>.<br />An error message (alert box) will popup when things are not correctly...
11806	schaersvoo	3008	@ in case of a triangle \| poly3, three inputfields are provided.
14086	bpr	3009	@ in case of ''text`` and ``multiuserinput=1, 3'' inputfields will be shown: ''x,y,text``
		3010	@ in case of ''text`` and ``multiuserinput=0, 1'' inputfield will be shown: text ... a mouse click will place the text on the canvas.
14066	bpr	3011	@ may be styled using command <a href="#inputstyle">inputstyle</a>
14071	bpr	3012	@ an additional button ''stop drawing`` may be used to combine userbased drawings with ''drag&drop`` or ''onclick`` elements
		3013	@ when exercise if finished (status=done) the buttons will not be shown.<br />To override this default behaviour use command / keyword ''status``
14066	bpr	3014	@ use before command <a href='#multidraw'>multidraw</a>
14071	bpr	3015	@ always use the same sequence as is used for ''multidraw``
11806	schaersvoo	3016	*/
		3017	/* simple rawmath and input check */
		3018	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		3019	temp = get_string(infile,1);
		3020	temp = str_replace(temp,",","\",\"");
		3021	fprintf(js_include_file,"var multiuserinput = [\"%s\"];",temp);
		3022	break;
		3023
		3024	case NOXAXIS:
		3025	/*
13829	bpr	3026	@ noaxis
11806	schaersvoo	3027	@ keyword
		3028	@ if set, the automatic x-axis numbering will be ignored
13936	bpr	3029	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="#grid">grid</a>
11806	schaersvoo	3030	@ to be used before command grid (see <a href="#grid">command grid</a>)
		3031	*/
11891	schaersvoo	3032	fprintf(js_include_file,"x_strings = {};x_strings_up = [];\n");
		3033	use_axis_numbering = -1;
11806	schaersvoo	3034	break;
		3035	case NOYAXIS:
		3036	/*
13829	bpr	3037	@ noayis
11806	schaersvoo	3038	@ keyword
		3039	@ if set, the automatic y-axis numbering will be ignored
13936	bpr	3040	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="#grid">grid</a>
11806	schaersvoo	3041	@ to be used before command grid (see <a href="#grid">command grid</a>)
		3042	*/
11891	schaersvoo	3043	fprintf(js_include_file,"y_strings = {};\n");
11806	schaersvoo	3044	break;
11890	schaersvoo	3045	case NUMBERLINE:
		3046	/*
		3047	@ numberline x0,x1,xmajor,xminor,y0,y1
		3048	@ numberline is using xrange/yrange system for all dimensions
11996	schaersvoo	3049	@ multiple numberlines are allowed ; combinations with command <a href='#grid'>grid</a> is allowed; multiple commands <a href='#xaxis'>xaxis numbering</a> are allowed
11890	schaersvoo	3050	@ x0 is start x-value in xrange
		3051	@ x1 is end x-value in xrange
		3052	@ xmajor is step for major division
14071	bpr	3053	@ xminor is divisor of xmajor; using small (30% of major tick) tick marks: this behaviour is ''hardcoded``
		3054	@ is xminor is an even divisor, an extra tickmark (60% of major tick) is added to the numberline: this behaviour is ''hardcoded``
11890	schaersvoo	3055	@ y0 is bottom of numberline; y1 endpoint of major tics
13829	bpr	3056	@ use command <a href="#linewidth">linewidth</a> to control appearance
11890	schaersvoo	3057	@ use <a href="#strokecolor">strokecolor</a> and <a href="#opacity">opacity</a> to controle measure line
		3058	@ for all ticks linewidth and color / opacity are identical.
		3059	@ if command <a href="#xaxis">xaxis</a> or <a href="#xaxisup">xaxisup</a> is not defined, the labeling will be on major ticks: x0...x1
13829	bpr	3060	@ use <a href="#fontfamily">fontfamily</a> and <a href="#fontcolor">fontcolor</a> to control fonts settings
14078	bpr	3061	@ may be used together with <a href="#userdraw">userdraw</a>, <a href="#multidraw">multidraw</a> and <a href="#drag">user drag</a> command family for the extra object drawn onto the numberline
11890	schaersvoo	3062	@ <a href="#snaptogrid">snaptogrid, snaptopoints etc</a> and <a href="#zoom">zooming and panning</a> is supported
		3063	@ onclick and dragging of the numberline are not -yet- supported
14071	bpr	3064	@ note: in case of multiple numberlines, make sure the numberline without special x-axis numbering (e.g. ranging from xmin to xmax) comes first !
13829	bpr	3065	@%numberline%size 400,400%xrange -10,10%yrange -10,10%precision 1%strokecolor black%numberline -8,8,1,6,-4,-3.5%strokecolor red%xaxis -4:AA:-2:BB:2:CC:4:DD%numberline -8,8,1,2,4,4.5%strokecolor green%xaxisup -4:AAA:-2:BBB:2:CCC:4:DDD%numberline -8,8,1,3,2,2.5%strokecolor blue%xaxis -4:AAAA:-2:BBBB:2:CCCC:4:DDDD%numberline -8,8,1,4,0,0.5%strokecolor brown%xaxis -4:AAAAA:-2:BBBBB:2:CCCCC:4:DDDDD%numberline -8,8,1,5,-2,-1.5%zoom red
11890	schaersvoo	3066	*/
		3067	if( js_function[DRAW_NUMBERLINE] != 1 ){ js_function[DRAW_NUMBERLINE] = 1;}
		3068	for(i=0;i<6;i++){
		3069	switch(i){
		3070	case 0: double_data[0] = get_real(infile,0);break;/* xmin */
		3071	case 1: double_data[1] = get_real(infile,0);break;/* xmax */
		3072	case 2: double_data[2] = get_real(infile,0);break;/* xmajor */
		3073	case 3: double_data[3] = get_real(infile,0);break;/* xminor */
		3074	case 4: double_data[4] = get_real(infile,0);break;/* ymin */
		3075	case 5: double_data[5] = get_real(infile,1);/* ymax */
		3076	/*
		3077	var draw_numberline%d = function(canvas_type,xmin,xmax,xmajor,xminor,ymin,ymax,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor);
		3078	*/
		3079	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[2] / double_data[3],double_data[5] - double_data[4] );
14208	schaersvoo	3080	string_length = 1 + snprintf(NULL,0,"\ndraw_numberline(%d,%d,%f,%f,%f,%f,%f,%f,%d,\"%s\",%f,\"%s\",\"%s\",%d); ",NUMBERLINE_CANVAS+numberline_cnt,use_axis_numbering,double_data[0],double_data[1],double_data[2],double_data[3],double_data[4],double_data[5],line_width,stroke_color,stroke_opacity,font_family,font_color,precision);
		3081	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11996	schaersvoo	3082	snprintf(tmp_buffer,string_length,"\ndraw_numberline(%d,%d,%f,%f,%f,%f,%f,%f,%d,\"%s\",%f,\"%s\",\"%s\",%d); ",NUMBERLINE_CANVAS+numberline_cnt,use_axis_numbering,double_data[0],double_data[1],double_data[2],double_data[3],double_data[4],double_data[5],line_width,stroke_color,stroke_opacity,font_family,font_color,precision);
11890	schaersvoo	3083	add_to_buffer(tmp_buffer);
		3084	numberline_cnt++;
		3085	break;
		3086	default:break;
		3087	}
		3088	}
		3089	reset();
		3090	break;
		3091
		3092	break;
11806	schaersvoo	3093	case OPACITY:
		3094	/*
13951	schaersvoo	3095	@ opacity [0-255],[0-255]
		3096	@ opacity [0.0 - 1.0],[0.0 - 1.0]
14071	bpr	3097	@ alternative: <code>transparent</code>
11806	schaersvoo	3098	@ first item is stroke opacity, second is fill opacity
13951	schaersvoo	3099	@%opacity%size 400,400%xrange -10,10%yrange -10,10%opacity 255,0%fcircle -10,0,100,blue%opacity 250,50%fcircle -5,0,100,blue%opacity 200,100%fcircle 0,0,100,blue%opacity 150,150%fcircle 5,0,100,blue%opacity 100,200%fcircle 10,0,100,blue
11806	schaersvoo	3100	*/
		3101	for(i = 0 ; i<2;i++){
		3102	switch(i){
		3103	case 0: double_data[0]= get_real(infile,0);break;
		3104	case 1: double_data[1]= get_real(infile,1);break;
		3105	default: break;
		3106	}
		3107	}
13951	schaersvoo	3108	if( double_data[0] > 255 \|\| double_data[1] > 255 \|\| double_data[0] < 0 \|\| double_data[1] < 0 ){ canvas_error("opacity [0 - 255] , [0 - 255] ");}/* typo or non-RGB ? */
11997	schaersvoo	3109	if( double_data[0] > 1 ){ stroke_opacity = (double) (0.0039215double_data[0]); }else{ stroke_opacity = 0.0;} / 0.0 - 1.0 */
		3110	if( double_data[1] > 1 ){ fill_opacity = (double) (0.0039215double_data[1]); }else{ fill_opacity = 0.0;} / 0.0 - 1.0 */
11806	schaersvoo	3111	break;
		3112
		3113	case ONCLICK:
		3114	/*
		3115	@ onclick
		3116	@ keyword (no arguments required)
14086	bpr	3117	@ if the next object is clicked, its ''object onclick_or_drag sequence number`` in fly script is returned by <code>javascript:read_canvas();</code>
		3118	@ onclick seqeuence numbering starts at ''0``, e.g. if there are 6 objects set onclick, the first onclick object will have id-number ''0``, the last id-number ''5``
14071	bpr	3119	@ line based objects will show an increase in line width<br />font based objects will show the text in ''bold`` when clicked.
11806	schaersvoo	3120	@ the click zone (accuracy) is determined by 2× the line width of the object
14071	bpr	3121	@ onclick and <a href="#drag">drag x\|y\|xy</a> may be combined in a single flyscript (although a single object can <b>not</b> be onclick and draggable at the same time...)
11806	schaersvoo	3122	@ note: not all objects may be set onclick
12107	schaersvoo	3123	@%onclick%size 400,400%xrange -10,10%yrange -10,10%opacity 255,60%linewidth 3%onclick%fcircles blue,-3,3,1,1,2,2,3,1,1%onclick%ftriangles red,-4,-4,-4,0,-3,-2,0,0,4,0,2,-4%onclick%frects green,-4,4,-2,2,1,-1,3,-4
11806	schaersvoo	3124	*/
		3125	fprintf(js_include_file,"use_dragdrop_reply = true;");
		3126	onclick = 1;
		3127
		3128	break;
		3129
		3130	case PARALLEL:
		3131	/*
		3132	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
14086	bpr	3133	@ can <b>not</b> be set ''onclick`` or ''drag xy``
12107	schaersvoo	3134	@%parallel%size 400,400%xrange -10,10%yrange -10,10%parallel -5,5,-4,-5,0.25,0,40,red
11806	schaersvoo	3135	*/
		3136	for( i = 0;i < 8; i++ ){
		3137	switch(i){
14032	schaersvoo	3138	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		3139	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		3140	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		3141	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
11806	schaersvoo	3142	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		3143	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
14032	schaersvoo	3144	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
11806	schaersvoo	3145	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		3146	decimals = find_number_of_digits(precision);
14208	schaersvoo	3147	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,11,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d,%d],[%d,%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3148	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3149	/* click_cnt++*/;
		3150	reset();
		3151	break;
		3152	default: break;
		3153	}
		3154	}
		3155	break;
		3156
		3157
		3158	case PLOTSTEPS:
		3159	/*
		3160	@ plotsteps a_number
		3161	@ default 150
14066	bpr	3162	@ only used for commands <a href="#curve">curve / plot</a> and <a href="#levelcurve">levelcurve</a>
11806	schaersvoo	3163	@ use with care !
		3164	*/
		3165	plot_steps = (int) (get_real(infile,1));
		3166	break;
13829	bpr	3167
11806	schaersvoo	3168	case POINT:
		3169	/*
		3170	@ point x,y,color
		3171	@ draw a single point at (x;y) in color 'color'
14246	bpr	3172	@ use command <code>linewidth int</code> to adjust size
11806	schaersvoo	3173	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
14071	bpr	3174	@ will not resize on zooming (command <code>circle x,y,r,color</code> will resize on zooming)
14066	bpr	3175	@ attention: in case of command <a href="#rotate">rotate angle</a> a point has rotation center (0:0) in x/y-range
12107	schaersvoo	3176	@%point%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%linewidth 1%onclick%point 0,0,red%linewidth 2%onclick%point 1,1,blue%linewidth 3%onclick%point 3,3,green%linewidth 4%point 4,4,orange
11806	schaersvoo	3177	*/
		3178	for(i=0;i<3;i++){
		3179	switch(i){
		3180	case 0: double_data[0] = get_real(infile,0);break; /* x */
		3181	case 1: double_data[1] = get_real(infile,0);break; /* y */
		3182	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		3183	decimals = find_number_of_digits(precision);
14208	schaersvoo	3184	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,2,[%.f],[%.f],[%.2f],[%d],%.2f,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],1.5line_width,line_width,1.5line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	3185	/* click_cnt++; */
14208	schaersvoo	3186	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3187	break;
		3188	default: break;
		3189	}
		3190	}
		3191	reset();
		3192	break;
		3193
		3194	case POINTS:
		3195	/*
		3196	@ points color,x1,y1,x2,y2,...,x_n,y_n
		3197	@ draw multiple points at given coordinates in color 'color'
14246	bpr	3198	@ use command <code>linewidth int</code> to adjust size
11806	schaersvoo	3199	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
14066	bpr	3200	@ attention: in case of command <a href="#rotate">rotate angle</a> the points have rotation center (0:0) in x/y-range
12107	schaersvoo	3201	@%points_1%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%snaptogrid%linewidth 1%drag xy%points red,0,0,1,1,2,2,3,3%drag x%points blue,0,1,1,2,2,3,3,4
		3202	@%points_2%size 400,400%xrange -10,10%yrange -10,10%opacity 255,255%linewidth 1%onclick%points red,0,0,1,1,2,2,3,3%onclick%points blue,0,1,1,2,2,3,3,4
11806	schaersvoo	3203	*/
8363	schaersvoo	3204	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3205	fill_color = stroke_color;
		3206	i=0;
		3207	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3208	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8363	schaersvoo	3209	if(i%2 == 0 ){
		3210	double_data[i] = get_real(infile,0); /* x */
		3211	}
		3212	else
		3213	{
		3214	double_data[i] = get_real(infile,1); /* y */
		3215	}
		3216	i++;
		3217	}
		3218	decimals = find_number_of_digits(precision);
11806	schaersvoo	3219	for(c = 0 ; c < i-1 ; c = c+2){
14208	schaersvoo	3220	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,2,[%.f],[%.f],[%.2f],[%d],%.2f,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],1.5line_width,line_width,1.5line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
8379	schaersvoo	3221	/* click_cnt++; */
14208	schaersvoo	3222	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8363	schaersvoo	3223	}
		3224	reset();
		3225	break;
11806	schaersvoo	3226
		3227	case POLY:
		3228	/*
		3229	@ poly color,x1,y1,x2,y2...x_n,y_n
		3230	@ polygon color,x1,y1,x2,y2...x_n,y_n
		3231	@ draw closed polygon
14071	bpr	3232	@ use command ''fpoly`` to fill it or use keyword <a href='#filled'>filled</a>
11806	schaersvoo	3233	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	3234	@%polygon_1%size 400,400%xrange -10,10%yrange -10,10%opacity 255,25%fillcolor orange%filled%linewidth 2%drag xy%snaptogrid%poly blue,0,0,1,3,3,1,2,4,-1,3
		3235	@%polygon_2%size 400,400%xrange -10,10%yrange -10,10%opacity 255,25%fillcolor orange%filled%linewidth 1%onclick%poly green,0,0,1,3,3,1,2,4,-1,3
11806	schaersvoo	3236	*/
		3237	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3238	i=0;
		3239	c=0;
		3240	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3241	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	3242	for( c = 0 ; c < 2; c++){
		3243	if(c == 0 ){
		3244	double_data[i] = get_real(infile,0);
		3245	i++;
		3246	}
		3247	else
		3248	{
		3249	double_data[i] = get_real(infile,1);
		3250	i++;
		3251	}
		3252	}
		3253	}
14066	bpr	3254	/* draw path: closed & optional filled */
11806	schaersvoo	3255	decimals = find_number_of_digits(precision);
14208	schaersvoo	3256	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3257	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3258	/* click_cnt++; */
		3259	reset();
		3260	break;
		3261
7614	schaersvoo	3262	case POLYLINE:
		3263	/*
		3264	@ polyline color,x1,y1,x2,y2...x_n,y_n
10975	schaersvoo	3265	@ brokenline color,x1,y1,x2,y2...x_n,y_n
		3266	@ path color,x1,y1,x2,y2...x_n,y_n
14086	bpr	3267	@ remark: there is <b>no</b> command polylines \| brokenlines \| paths ... just use multiple commands <code>polyline, x1,y1,x2,y2...x_n,y_n</code>
		3268	@ remark: there are commands <code>userdraw path(s),color</code> and <code>userdraw polyline,color</code>... these are two entirely different things ! the path(s) userdraw commands may be used for freehand drawing(s)<br />the polyline userdraw command is analogue to this polyline\|brokenline command
10975	schaersvoo	3269	@ the command interconnects the points in the given order with a line (canvasdraw will not close the drawing: use command <a href="#poly">polygon</a> for this)
14071	bpr	3270	@ use command <a href='#segments'>segments</a> for a series of segments. These may be clicked/dragged individually
9406	schaersvoo	3271	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	3272	@%polyline_1%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag xy%snaptogrid%polyline blue,0,0,1,3,3,1,2,4,-1,3
		3273	@%polyline_2%size 400,400%xrange -10,10%yrange -10,10%linewidth 1%onclick%polyline green,0,0,1,3,3,1,2,4,-1,3
7614	schaersvoo	3274	*/
13829	bpr	3275
7614	schaersvoo	3276	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3277	i=0;
		3278	c=0;
		3279	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3280	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
7614	schaersvoo	3281	for( c = 0 ; c < 2; c++){
		3282	if(c == 0 ){
		3283	double_data[i] = get_real(infile,0);
		3284	i++;
		3285	}
		3286	else
		3287	{
		3288	double_data[i] = get_real(infile,1);
		3289	i++;
		3290	}
		3291	}
		3292	}
14066	bpr	3293	/* draw path: not closed & not filled */
7614	schaersvoo	3294	decimals = find_number_of_digits(precision);
14208	schaersvoo	3295	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3296	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	3297	/* click_cnt++;*/
		3298	reset();
7614	schaersvoo	3299	break;
11806	schaersvoo	3300
		3301	case POPUP:
		3302	/*
		3303	@ popup
		3304	@ keyword (no arguments)
14086	bpr	3305	@ if fly-script starts with keyword ''popup``, the canvas image will be exclusively in a popup window (xsize px × ysize px)
14071	bpr	3306	@ if keyword ''popup`` is used after command <code>size xsize,ysize</code> the canvas will also be displayed in a popup window with size ''xsize × ysize``
14086	bpr	3307	@ the popup window will be embedded into the page as a ''normal`` image, when ''status=done``; override with keyword <a href="#status">nostatus</a>
14246	bpr	3308	@ to access the read_canvas and read_dragdrop functions in a popup window, use: <code> function read_all(){<br /> if( typeof popup !== 'undefined' ){<br /> var fun1 = popup['read_dragdrop'+canvas_scripts[0]];<br /> var fun2 = popup['read_canvas'+canvas_scripts[0]];<br /> popup.close();<br /> return "dragdrop="+fun1()+"\\ncanvas="+fun2();<br /> };</code>
14071	bpr	3309	@ to set a canvasdraw produced <a href="#clock">clock</a> or multiple clocks...use something like: <code>popup.set_clock(clock_id,type,diff);</code> as js-function for a button (or something else) in your document page.<br />where in <b>clock_id</b> starts with 0 for the first clock<br /><b>type</b> is 1 for Hours,2 for Minutes and 3 for Seconds<br /><b>diff</b> is the increment (positive or negative) per click
12107	schaersvoo	3310	@%popup%popup%size 400,400%xrange -2pi,2pi%yrange -5,5%precision 0%axis%axisnumbering%opacity 100,190%grid 1,1,grey,2,2,5,black%linewidth 4%fillcolor blue%trange -pi,pi%animate%linewidth 1%precision 1000%jsplot red,4cos(2x),2sin(3x-pi/6)%strokecolor green%functionlabel f(x)=%userinput function
11806	schaersvoo	3311	*/
		3312	use_tooltip = 2;
		3313	break;
		3314
		3315	case PROTRACTOR:
7614	schaersvoo	3316	/*
11806	schaersvoo	3317	@ protractor x,y,x_width,type,mode,use_a_scale
		3318	@ x,y are the initial location
14066	bpr	3319	@ x_width: give the width in x-coordinate system (e.g. not in pixels !)
14246	bpr	3320	@ type = 1: a triangle range 0 - 180<br />type = 2: a circle shape 0 - 360
14066	bpr	3321	@ mode: use -1 to set the protractor interactive (mouse movement of protractor)<br />use mode = '0° - 360°' to set the protractor with a static angle of some value
11806	schaersvoo	3322	@ if the value of the user_rotation angle is to be shown...use command <a href='#display'>display degree,color,fontsize</a><a href='#display'>display radian,color,fontsize</a>
14066	bpr	3323	@ use_scale = 1: the protractor will have some scale values printed; use_scale=0 to disable
11806	schaersvoo	3324	@ the rotating direction of the mouse around the protractor determines the clockwise/ counter clockwise rotation of the protractor...
14071	bpr	3325	@ commands ''stroke_color \| fill_color \| linewidth \| opacity \| font_family`` will determine the looks of the protractor.
		3326	@ default replyformat: reply[0] = x;reply[1] = y;reply[2] = angle_in_radians<br />use command ''precision`` to set the reply precision.
11806	schaersvoo	3327	@ if combined with a ruler, use replyformat = 32
14071	bpr	3328	@ command <code>snap_to_grid</code> may be used to assist the pupil at placing the protractor
		3329	@ when using command ''zoom``, pay <b>attention</b> to the size and symmetry of your canvas<br />...to avoid a partial image, locate the start position near the center of the visual canvas<br />technical: the actual ''protractor`` is just a static generated image in a new canvas-memory<br />This image is only generated once, and a copy of its bitmap is translated & rotated onto the visible canvas.<br />That is the reason for the ''high-speed dragging and rotating``.<br />I've limited its size to xsize × ysize e.g. the same size as the visual canvas...
11806	schaersvoo	3330	@ only one protractor allowed (for the time being)
		3331	@ usage: first left click on the protractor will activate dragging;<br />a second left click will activate rotating (just move mouse around)<br />a third click will freeze this position and the x/y-coordinate and angle in radians will be stored in reply(3)<br />a next click will restart this sequence...
12107	schaersvoo	3332	@%protractor%size 400,400%xrange -5,10%yrange -5,10%hline 0,0,black%vline 0,0,black%fillcolor orange%opacity 255,40%protractor 2,-2,6,0,-1,1,1
7614	schaersvoo	3333	*/
11806	schaersvoo	3334	for( i = 0;i < 6; i++ ){
		3335	switch(i){
		3336	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		3337	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		3338	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		3339	case 3: int_data[0] = (int)(get_real(infile,0));break; /* type: 1==triangle 2 == circle */
		3340	case 4: int_data[1] = (int)(get_real(infile,0));break; /* passive mode == 0; active mode == -1 */
		3341	case 5: int_data[2] = (int)(get_real(infile,1)); /* use scale */
		3342	decimals = find_number_of_digits(precision);
11821	schaersvoo	3343	if( int_data[1] < 0 ){ js_function[JS_FIND_ANGLE] = 1;}
14057	schaersvoo	3344	add_js_protractor(js_include_file,canvas_root_id,int_data[0],double_data[0],double_data[1],double_data[2],font_family,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width,int_data[2],int_data[1],use_snap);
11806	schaersvoo	3345
14208	schaersvoo	3346	string_length = 1 + snprintf(NULL,0,";protractor%d(); ",canvas_root_id);
		3347	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	3348	snprintf(tmp_buffer,string_length,";protractor%d(); ",canvas_root_id);
		3349	add_to_buffer(tmp_buffer);
		3350	reply_precision = precision;
		3351	/* no reply from protractor if non-interactive */
		3352	if( reply_format == 0 && int_data[1] == -1 ){reply_format = 30;}
		3353	break;
		3354	default: break;
		3355	}
		3356	}
		3357	break;
		3358
		3359	case PIXELS:
		3360	/*
		3361	@ pixels color,x1,y1,x2,y2,x3,y3...
		3362	@ draw rectangular "points" with diameter 1 pixel
		3363	@ pixels can <b>not</b> be dragged or clicked
14086	bpr	3364	@ "pixelsize = 1" may be changed by command <code>pixelsize int</code>
12111	schaersvoo	3365	@%pixels%size 400,400%opacity 255,255%pixelsize 5%pixels red,1,1,2,2,3,3,4,4,5,5,10,10,20,20,30,30,40,40,50,50,60,60,70,70,80,80,90,90,100,100,120,120,140,140,160,160,180,180,200,200,240,240,280,280,320,320,360,360,400,400%#NOTE pixelsize=5...otherwise you will not see them clearly...
11806	schaersvoo	3366	*/
		3367	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3368	stroke_color=get_color(infile,0);
7614	schaersvoo	3369	i=0;
		3370	c=0;
		3371	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3372	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
7614	schaersvoo	3373	for( c = 0 ; c < 2; c++){
		3374	if(c == 0 ){
		3375	double_data[i] = get_real(infile,0);
		3376	i++;
		3377	}
		3378	else
		3379	{
		3380	double_data[i] = get_real(infile,1);
		3381	i++;
		3382	}
		3383	}
		3384	}
11806	schaersvoo	3385	decimals = find_number_of_digits(precision);
		3386	/* double_xy2js_array(double xy[],int len,int decimals) /
14208	schaersvoo	3387	string_length = 1 + snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3388	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	3389	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3390	add_to_buffer(tmp_buffer);
		3391	reset();
7614	schaersvoo	3392	break;
11806	schaersvoo	3393
		3394	case PIXELSIZE:
7614	schaersvoo	3395	/*
11806	schaersvoo	3396	@ pixelsize int
		3397	@ in case you want to deviate from default pixelsize = 1(...)
12111	schaersvoo	3398	@ pixelsize 100 is of course a filled rectangle 100px × 100px
7614	schaersvoo	3399	*/
11806	schaersvoo	3400	pixelsize = (int) get_real(infile,1);
		3401	break;
8105	schaersvoo	3402
11806	schaersvoo	3403	case PIECHART:
7614	schaersvoo	3404	/*
11806	schaersvoo	3405	@ piechart xc,yc,radius,'data+colorlist'
14066	bpr	3406	@ (xc: yc) center of circle diagram in xrange/yrange
11806	schaersvoo	3407	@ radius in pixels
		3408	@ data+color list: a colon separated list of raw data and corresponding colours<br />canvasdraw will not check validity of colornames...<br />in case of trouble look into javascript debugging of your browser
14066	bpr	3409	@ example data+colorlist: 32:red:65:green:23:black:43:orange:43:yellow:14:white
11806	schaersvoo	3410	@ the number of colors must match the number of data.
14066	bpr	3411	@ if defined <a href='#fillpattern'>fillpattern some_pattern</a> then the pie pieces will be filled with the respective color and a fill pattern...<br />the pattern is cycled from the 4 pattern primitives: grid,hatch,diamond,dot,grid,hatch,diamond,dot,...
14086	bpr	3412	@ use command <a href='#opacity'>opacity</a> to adjust fill_opacity of colours
		3413	@ use command <a href='#legend'>legend</a> to automatically create a legend using the same colours as pie segments; unicode allowed in legend; expect javascript trouble if the amount of ''pie-slices``, ''pie-colors``, ''pie-legend-titles`` do not match, a javascript console is your best friend...<br />use command ''fontfamily`` to set the font of the legend.
14066	bpr	3414	@ use command <a href='centered'>centered</a> to place <a href='#legend'>legend</a> text inside the piechart. The text is using the same color as the pie segment: use (fill) opacity to enhance visibility.
12538	schaersvoo	3415	@%piechart_1%size 300,200%xrange -10,10%yrange -10,10%legend cars:motorcycles:bicycles:trikes%opacity 255,120%piechart -5,0,75,22:red:8:blue:63:green:7:purple%
		3416	@%piechart_2%size 200,200%xrange -10,10%yrange -10,10%fontfamily 16px Ariel%centered%legend cars:motorcycles:bicycles:trikes%opacity 255,60%piechart 0,0,100,22:red:8:blue:63:green:7:purple
7614	schaersvoo	3417	*/
11806	schaersvoo	3418	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3419	for(i=0;i<5;i++){
		3420	switch(i){
11806	schaersvoo	3421	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
14032	schaersvoo	3422	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
11806	schaersvoo	3423	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3424	case 3: temp = get_string(infile,1);
		3425	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
14208	schaersvoo	3426	string_length = 1 + snprintf(NULL,0,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\",%d,%d);\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,legend_cnt,font_family,use_filled,use_offset);
		3427	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
12538	schaersvoo	3428	snprintf(tmp_buffer,string_length,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\",%d,%d);\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,legend_cnt,font_family,use_filled,use_offset);
11806	schaersvoo	3429	add_to_buffer(tmp_buffer);
		3430	break;
		3431	default:break;
7614	schaersvoo	3432	}
		3433	}
11806	schaersvoo	3434	reset();
7614	schaersvoo	3435	break;
8304	schaersvoo	3436
7614	schaersvoo	3437	case RAYS:
		3438	/*
		3439	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		3440	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	3441	@ may be set draggable or onclick (every individual ray)
12111	schaersvoo	3442	@%rays_onclick%size 400,400%xrange -10,10%yrange -10,10%onclick%rays blue,0,0,3,9,-3,5,-4,0,4,-9,7,9,-8,1,-1,-9
		3443	@%rays_drag_xy%size 400,400%xrange -10,10%yrange -10,10%drag xy%rays blue,0,0,3,9,-3,5,-4,0,4,-9,7,9,-8,1,-1,-9
7614	schaersvoo	3444	*/
		3445	stroke_color=get_color(infile,0);
7786	schaersvoo	3446	fill_color = stroke_color;
		3447	double_data[0] = get_real(infile,0);/* xc */
		3448	double_data[1] = get_real(infile,0);/* yc */
		3449	i=2;
		3450	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3451	if(i > MAX_INT - 1){canvas_error("in command rays too many points / rays in argument: repeat command multiple times to fit");}
7786	schaersvoo	3452	if(i%2 == 0 ){
		3453	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	3454	}
7786	schaersvoo	3455	else
		3456	{
		3457	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	3458	}
7786	schaersvoo	3459	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		3460	i++;
7614	schaersvoo	3461	}
8224	bpr	3462
		3463	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		3464	decimals = find_number_of_digits(precision);
7786	schaersvoo	3465	for(c=2; c<i;c = c+2){
14208	schaersvoo	3466	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[c],decimals,double_data[1],decimals,double_data[c+1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
8379	schaersvoo	3467	/* click_cnt++; */
14208	schaersvoo	3468	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
7614	schaersvoo	3469	}
		3470	reset();
		3471	break;
8304	schaersvoo	3472
11806	schaersvoo	3473	case RECT:
8386	schaersvoo	3474	/*
11806	schaersvoo	3475	@ rect x1,y1,x2,y2,color
14071	bpr	3476	@ use command <code>frect x1,y1,x2,y2,color</code> for a filled rectangle
14246	bpr	3477	@ use command/keyword <a href='#filled'>filled</a> before command <code>rect x1,y1,x2,y2,color</code>
9406	schaersvoo	3478	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12111	schaersvoo	3479	@%rect%size 400,400%xrange -10,10%yrange -10,10%rect 0,0,4,-4,green%rect 0,5,4,1,red
8386	schaersvoo	3480	*/
11806	schaersvoo	3481	for(i=0;i<5;i++){
		3482	switch(i){
		3483	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		3484	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		3485	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		3486	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		3487	case 4:stroke_color = get_color(infile,1);/* name or hex color */
8386	schaersvoo	3488	decimals = find_number_of_digits(precision);
14208	schaersvoo	3489	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[2],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[3],decimals,double_data[3],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3490	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3491	/* click_cnt++; */
8386	schaersvoo	3492	reset();
		3493	break;
11806	schaersvoo	3494	}
		3495	}
		3496	break;
8386	schaersvoo	3497
11806	schaersvoo	3498	case RECTS:
8304	schaersvoo	3499	/*
11806	schaersvoo	3500	@ rects color,x1,y1,x2,y2,.....
14071	bpr	3501	@ use command <code>frect color,x1,y1,x2,y2,.....</code> for a filled rectangle
14246	bpr	3502	@ use command/keyword <a href='#filled'>filled</a> before command <code>rects color,x1,y1,x2,y2,....</code>
14071	bpr	3503	@ use command <code>fillcolor color</code> before ''frects`` to set the fill colour.
9406	schaersvoo	3504	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
12111	schaersvoo	3505	@%rects%size 400,400%xrange -10,10%yrange -10,10%rects red,0,0,4,-4,0,5,4,1
8304	schaersvoo	3506	*/
		3507	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3508	fill_color = stroke_color;
		3509	i=0;
		3510	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3511	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8304	schaersvoo	3512	if(i%2 == 0 ){
		3513	double_data[i] = get_real(infile,0); /* x */
		3514	}
		3515	else
		3516	{
		3517	double_data[i] = get_real(infile,1); /* y */
		3518	}
		3519	i++;
		3520	}
		3521	decimals = find_number_of_digits(precision);
		3522	for(c = 0 ; c < i-1 ; c = c+4){
14208	schaersvoo	3523	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+2],decimals,double_data[c],decimals,double_data[c+1],decimals,double_data[c+1],decimals,double_data[c+3],decimals,double_data[c+3],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3524	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	3525	/* click_cnt++; */
8304	schaersvoo	3526	}
		3527	reset();
		3528	break;
8386	schaersvoo	3529
11806	schaersvoo	3530	case REPLYFORMAT:
7614	schaersvoo	3531	/*
11806	schaersvoo	3532	@ replyformat number
		3533	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
		3534	@ default values should be fine !
14071	bpr	3535	@ use command <code>precision [0,1,10,100,1000,10000...]</code> before command ''replyformat`` to set the desired number of decimals in the student reply / drawing
14246	bpr	3536	@ the last value for ''precision int`` will be used to calculate the reply coordinates, if needed (read_canvas();)
14248	bpr	3537	@ choose<ul><li>replyformat 1: <code>x1,x2,x3,x4....x_n<br />y1,y2,y3,y4....y_n</code> x/y in pixels</li><li>replyformat 2: <code> x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n</code> x/y in xrange / yrange coordinate system</li><li>replyformat 3: <code> x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n</code> x/y in pixels, r in pixels</li><li>replyformat 4: <code> x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n</code> x/y in xrange / yrange coordinate system, r in pixels</li><li>replyformat 5: <code> Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n</code> x/y in pixels</li><li>replyformat 6: <code> Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n</code> x/y in xrange / yrange coordinate system</li><li>replyformat 7: <code> x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n</code> x/y in pixels</li><li>replyformat 8: <code> x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n</code> x/y in xrange / yrange coordinate system</li><li>replyformat 9: <code> x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n</code> x/y in pixels</li><li>replyformat 10: <code> x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n</code> x/y in xrange / yrange coordinate system</li><li>replyformat 11: <code> Ax1,Ay1,Ax2,Ay2<br />Bx1,By1,Bx2,By2<br /> Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2</code> x/y in xrange / yrange coordinate system</li><li>replyformat 12: <code> Ax1,Ay1,Ax2,Ay2<br /> Bx1,By1,Bx2,By2<br />Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2</code> x/y in pixels</li><li>replyformat 13: <code> Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2</code> x/y in xrange / yrange coordinate system</li><li>replyformat 14: <code> Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2</code> x/y in pixels</li><li>replyformat 15: reply from inputfields,textareas <code>reply1,reply2,reply3,...,reply_n</code></li><li>replyformat 16: mathml input fields</li><li>replyformat 17: read ''userdraw text,color`` only <code>x1,y1,text1 \\n x2,y2,text2...\\n...x_n,y_n,text_n </code> x/y-values are in xrange/yrange</li><li>replyformat 18: read_canvas() will read all interactive clocks in <codeWH1:M1:S1,H2:M2:S2...Hn:Mn:Sn</code></li><li>replyformat 19: read_canvas() will return the object number of marked / clicked object (clock), analogue to (shape library) onclick command</li><li>replyformat 20: read_canvas() will reply "object_number:x:y" of external images: object_number of the first draggable external image in the fly-script starts with 0, e.g. expect something like 0:-5:4,1:6:2,2:-2:-5, the first image position is (-5:4), the second image position is (6:2) and the third image position is (-2:-5) <li>replyformat 21: <code> (x1:y1) (x2:y2) ... (x_n:y_n)</code> verbatim coordinate return</li><li>replyformat 22: returns an array .... <code>reply[0]=x1 reply[1]=y1 reply[2]=x2 reply[3]=y2 ... reply[n-1]=x_n reply[n]=y_n</code> x/y in xrange / yrange coordinate system</li><li>replyformat 23: can only be used for drawtype ''polyline``. A typical click sequence in drawtype polyline is x1,y1,x2,y2,x2,y2,x3,y3,x3,y3.....,x(n-1),y(n-1),x(n-1),y(n-1),xn,yn --replyformat 23 gives <code>x1,y1,x2,y2,x3,y3,.....x(n-1),y(n-1),xn,yn</code>; multiple occurences will be filtered out. The reply will be in x-y-range (xreply \\n yreply)</li><li>replyformat 24: read all inputfield values: even those set ''readonly``</li><li>replyformat 25: <code> angle1,angle2;...;angle_n</code> will return the radius (one or many) of the user drawn circle segment in degrees</li><li>replyformat 26: <code> rad1,rad2,...rad_n</code> will return the radius (one or many) of the user drawn circle segment in radians</li><li>replyformat 27: return (only) userdraw inputfields <code>x1,y1,text1<br /> x2,y2,text2...<br />...x_n,y_n,textn</code></li><li>replyformat 28: <code> x1,y1,r1,x2,y2,r2...x_n,y_n,r_n</code> x / y / r in xrange / yrange coordinate system: may be used to reinput into command <code>circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n</code> will not return anything else (e.g. no inputfields, text etc)</li><li>replyformat 34: a special for OEF and dragging external images -included via commands <a href='#copy'>copy</a> or <a href='#copyresized'>copyresized</a> there will be an extra function <code>read_canvas_images()</code> for reading the coordinates of the images.<br />for now this is a unique function, e.g. there is no ''canvas id`` linked to it. (TO DO !!! 18/5/2019)</li></ul>
11806	schaersvoo	3538	*/
		3539	reply_format = (int) get_real(infile,1);
		3540	reply_precision = precision;
		3541	break;
		3542
		3543	case ROUNDRECT:
		3544	/*
		3545	@ roundrect x1,y1,x2,y2,radius in px,color
14071	bpr	3546	@ use command <code>froundrect x1,y1,x2,y2,radius,color</code> for a filled rectangle
		3547	@ use command/keyword <a href='#filled'>filled</a> before command <code>roundrect x1,y1,x2,y2,radius,color</code>
		3548	@ fillcolor will be identical to ''color``
9406	schaersvoo	3549	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12111	schaersvoo	3550	@%roundrect%size 400,400%xrange -10,10%yrange -10,10%roundrect 0,0,4,-4,20,green%roundrect 0,5,4,1,10,red
7614	schaersvoo	3551	*/
11806	schaersvoo	3552	for(i=0;i<6;i++){
		3553	switch(i){
		3554	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		3555	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		3556	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		3557	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		3558	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		3559	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		3560	/* ensure no inverted roundrect is produced... */
		3561	if( double_data[0] > double_data[2] ){double_data[4] = double_data[0];double_data[0] = double_data[2];double_data[2] = double_data[4];}
		3562	if( double_data[3] > double_data[1] ){double_data[4] = double_data[1];double_data[1] = double_data[3];double_data[3] = double_data[4];}
7614	schaersvoo	3563	decimals = find_number_of_digits(precision);
14208	schaersvoo	3564	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,6,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3565	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	3566	/* click_cnt++;*/
		3567	reset();
11806	schaersvoo	3568	break;
		3569	}
		3570	}
		3571	break;
8386	schaersvoo	3572
11806	schaersvoo	3573	case ROUNDRECTS:
8347	schaersvoo	3574	/*
11806	schaersvoo	3575	@ roundrects color,radius in px,x1,y1,x2,y2,x3,y3,x4,y4,....
14066	bpr	3576	@ for filled roundrects use command/keyword <a href='#filled'>filled</a> before command
9406	schaersvoo	3577	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
13935	bpr	3578	@%roundrects%size 400,400%xrange -10,10%yrange -10,10%roundrects blue,5,0,0,4,-4,5,4,1,2
8347	schaersvoo	3579	*/
11806	schaersvoo	3580
8347	schaersvoo	3581	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
11806	schaersvoo	3582	int_data[0] = (int) (get_real(infile,0)); /* radius value in pixels */
8347	schaersvoo	3583	fill_color = stroke_color;
		3584	i=0;
		3585	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3586	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
8347	schaersvoo	3587	if(i%2 == 0 ){
		3588	double_data[i] = get_real(infile,0); /* x */
		3589	}
		3590	else
		3591	{
		3592	double_data[i] = get_real(infile,1); /* y */
		3593	}
		3594	i++;
		3595	}
		3596	decimals = find_number_of_digits(precision);
		3597	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	3598	/* ensure no inverted roundrect is produced... */
		3599	if( double_data[c] > double_data[c+2] ){double_data[c+4] = double_data[c];double_data[c] = double_data[c+2];double_data[c+2] = double_data[c+4];}
		3600	if( double_data[c+3] > double_data[c+1] ){double_data[c+4] = double_data[c+1];double_data[c+1] = double_data[c+3];double_data[c+3] = double_data[c+4];}
14208	schaersvoo	3601	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,6,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3602	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8379	schaersvoo	3603	/* click_cnt++; */
8347	schaersvoo	3604	}
		3605	reset();
		3606	break;
8386	schaersvoo	3607
11806	schaersvoo	3608	case RULER:
7614	schaersvoo	3609	/*
14078	bpr	3610	@ ruler x,y,x-width,y-height,mode
11806	schaersvoo	3611	@ x,y are the initial location
14078	bpr	3612	@ x-width, y-height are the ruler dimensions width & height in xy-coordinate system
14071	bpr	3613	@ the ruler scale is by definition the x-scale, set by command ''xrange``. For example: a ruler x-width of 6 will have a scale ranging from 0 to 6
14066	bpr	3614	@ mode: use -1 to set the ruler interactive (eg mouse movement of ruler; drag & rotate)<br />use mode = '0° - 360°' to set the ruler with a static angle of some value
11806	schaersvoo	3615	@ if combined with a protractor, use replyformat = 32
		3616	@ only one ruler allowed (for the time being)
14247	bpr	3617	@ when using command ''zoom``, pay <b>attention</b> to the size and symmetry of your canvas to avoid a partial image, locate the start position near the center of the visual canvas; technical: the actual ''ruler`` is just a static generated image in a new canvas-memory. This image is only generated once, and a copy of its bitmap is translated & rotated onto the visible canvas. That is the reason for the ``high-speed dragging and rotating''. I have limited its size to xsize × ysize e.g. the same size as the visual canvas...
		3618	@ usage: first left click on the ruler will activate dragging; a second left click will activate rotating (just move mouse around), a third click will freeze this position and the x/y-coordinate and angle in radians will be stored in reply(3), a next click will restart this sequence...
12111	schaersvoo	3619	@%ruler_interactive%size 800,400%xrange -10,10%yrange -10,10%strokecolor blue%opacity 200,50%filled%fillcolor lightgrey%ruler -9,0,10,2,-1%display degree,blue,22%zoom red
		3620	@%ruler_set_degree_45%size 800,400%xrange -10,10%yrange -10,10%strokecolor blue%opacity 200,50%filled%fillcolor lightgrey%ruler 0,0,10,2,45%zoom red
		3621	@%ruler_set_degree_125%size 800,400%xrange -10,10%yrange -10,10%strokecolor blue%opacity 200,50%filled%fillcolor lightgrey%ruler 0,0,10,2,125%zoom red
7614	schaersvoo	3622	*/
11806	schaersvoo	3623	for( i = 0;i < 5; i++ ){
7614	schaersvoo	3624	switch(i){
11806	schaersvoo	3625	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		3626	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		3627	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		3628	case 3: double_data[3] = get_real(infile,0);break; /* y-width */
		3629	case 4: int_data[0] = (int)(get_real(infile,1)); /* passive mode */
		3630	decimals = find_number_of_digits(precision);
		3631	if( int_data[0] < 0 ){
14032	schaersvoo	3632	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1; }
11806	schaersvoo	3633	}
14057	schaersvoo	3634	add_js_ruler(js_include_file,canvas_root_id,double_data[0],double_data[1],double_data[2],double_data[3],font_family,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width,int_data[0],use_snap);
14208	schaersvoo	3635	string_length = 1 + snprintf(NULL,0,";ruler%d(); ",canvas_root_id);
		3636	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	3637	snprintf(tmp_buffer,string_length,";ruler%d(); ",canvas_root_id);
		3638	add_to_buffer(tmp_buffer);
		3639	reply_precision = precision;
		3640	/* no reply from ruler if non-interactive */
		3641	if( reply_format == 0 && int_data[0] == -1 ){reply_format = 31;}
7614	schaersvoo	3642	break;
		3643	default: break;
		3644	}
		3645	}
		3646	break;
8386	schaersvoo	3647
11806	schaersvoo	3648	case RESETOFFSET:
7614	schaersvoo	3649	/*
11806	schaersvoo	3650	@ resetoffset
		3651	@ keyword ; use to restore text placement on the canvas to the real (x;y) coordinates of the left bottom corner of the text
		3652	@ may be active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-librariy
7614	schaersvoo	3653	*/
11806	schaersvoo	3654	use_offset = 0;
		3655	break;
		3656
		3657	case ROTATE:
		3658	/*
		3659	@ rotate rotation_angle
		3660	@ angle in degrees
		3661	@ (only) the next object will be rotated is given angle
		3662	@ positive values rotate counter clockwise
14066	bpr	3663	@ attention: all objects will be rotated around their first point...<br /><code>rotate 45<br />triangle 1,1,5,1,3,4,red</code><br />will rotate 45 degrees around point (1:1)
		3664	@ if another rotation center is needed, use command <a href="#rotationcenter">rotationcenter xc,yc</a>.<br />to reset this rotationcenter, use keyword <a href="#killrotate">killrotate</a>
		3665	@ attention: rotate will mess up the interactivity of the rotated object <br />e.g. if combined with command <a href="#drag">drag xy</a> or keyword <a href="#onclick">onclick</a>: the mouse recognises the original -unrotated- coordinates of the object
13939	bpr	3666	@%rotate_1%size 400,400%xrange -10,10%yrange -10,10%fpoly yellow,0,0,4,3,2,5%rotate 45%fpoly violet,0,0,4,3,2,5%killrotate%rotate 90%fpoly violet,0,0,4,3,2,5%
11806	schaersvoo	3667	*/
		3668	use_rotate = TRUE;
14066	bpr	3669	angle = -1(get_real(infile,1));/ -1: to be compatible with Flydraw... */
7614	schaersvoo	3670	break;
11806	schaersvoo	3671	case ROTATION_CENTER:
9306	schaersvoo	3672	/*
11806	schaersvoo	3673	@ rotationcenter x_center,y_center
		3674	@ define an rotation center in your x/y-coordinate system
		3675	@ wims will not check the validity of your input; use javascript console to debug any erors
		3676	@ if not defined a rotation will be around the first point of an object
		3677	@ to be used before command <a href="#rotate">rotate</a>
		3678	@ all other commands will use this rotation center, unless a <a href="#killrotation">killrotation</a> is given
13956	schaersvoo	3679	@%rotationcenter%size 400,400%xrange -5,10%yrange -5,10%circles green,3,3,4.25%rotationcenter 3,3%opacity 255,80%fpoly yellow,0,0,4,3,2,5%rotate 45%fpoly violet,0,0,4,3,2,5%rotate 90%fpoly lightblue,0,0,4,3,2,5%rotate 135%fpoly blue,0,0,4,3,2,5%rotate 180%fpoly orange,0,0,4,3,2,5%rotate 225%fpoly green,0,0,4,3,2,5%rotate 270%fpoly cyan,0,0,4,3,2,5%rotate 315%fpoly purple,0,0,4,3,2,5%linewidth 3%point 3,3,red%mouse red,22
13969	schaersvoo	3680	@%rotationcenter_slider%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%fillcolor black%strokecolor yellow%rotationcenter 0,0%fontsize 24%slider 0,2pi,400,30,angle degrees,rotate...%plot red,5sin(x)%filled%linewidth 1%opacity 150,50%fillcolor orange%angle 0,0,pi,0,0,blue
9306	schaersvoo	3681	*/
11806	schaersvoo	3682	temp = get_string(infile,1);
14208	schaersvoo	3683	string_length = 1 + snprintf(NULL,0,"[ %s ]",temp);
11806	schaersvoo	3684	check_string_length(string_length);
14208	schaersvoo	3685	rotation_center = my_newmem(string_length);
11806	schaersvoo	3686	snprintf(rotation_center,string_length,"[%s]",temp);
9306	schaersvoo	3687	break;
11806	schaersvoo	3688
		3689	case SIZE:
		3690	/*
		3691	@ size width,height
		3692	@ set canvas size in pixels
14066	bpr	3693	@ mandatory first command (can only be preceded by keyword <a href="#popup">popup</a>)
14162	bpr	3694	@ if xrange and/or yrange is not given the range will be set to pixels:<br />xrange 0,xsize yrange 0,ysize<br />note: lower left corner is origin (0:0) !!! this in contrast to flydraw
11806	schaersvoo	3695	*/
		3696	found_size_command = 1;
14066	bpr	3697	/* using fabs: however "xsize == int": so "xsize = abs( (int) get_real(infile,0))" would be the idea... */
11806	schaersvoo	3698	xsize = (int)(fabs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		3699	ysize = (int)(fabs(round(get_real(infile,1))));
		3700	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		3701	xmin = 0;xmax = xsize;
		3702	ymin = 0;ymax = ysize;
		3703
		3704	/*
		3705	The sequence in which stuff is finally printed is important !!
		3706	*/
		3707	fprintf(stdout,"\n\
13970	obado	3708	<script>\n\
11806	schaersvoo	3709	/<![CDATA[/\n\
		3710	if( typeof(wims_status) === 'undefined' ){ var wims_status = \"$status\";};\
		3711	if( typeof(use_dragdrop_reply) === 'undefined' ){ var use_dragdrop_reply = false;};\
		3712	if( typeof(canvas_scripts) === 'undefined' ){ var canvas_scripts = new Array();};\
		3713	canvas_scripts.push(\"%d\");\n/]]>/\n</script>\n\
		3714	",canvas_root_id);
		3715
		3716	/* style=\"display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\" */
		3717	if( use_tooltip != 2){
		3718	fprintf(stdout,"<!-- canvasdraw div -->\n\
		3719	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" oncontextmenu=\"return false;\"></div>\n\
		3720	<!-- tooltip and input placeholder -->\n\
		3721	<div id=\"tooltip_placeholder_div%d\" style=\"text-align:center\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\
		3722	<!-- include actual object code via include file -->\n\
13970	obado	3723	<script id=\"canvas_script%d\" src=\"%s\"></script>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,getfile_cmd);
11806	schaersvoo	3724	}
		3725	else
		3726	{
		3727	/*
14066	bpr	3728	set canvas_div invisible and do not include placeholder in main html page:
11806	schaersvoo	3729	the js-include will also be in a popup window...to be shown when wims $status = done
		3730	*/
		3731	fprintf(stdout,"<!-- canvasdraw div invisible -->\n\
		3732	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"display:none;position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div>\n\
		3733	<div id=\"tooltip_placeholder_div%d\" style=\"display:none;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\
		3734	<!-- include actual object code via include file -->\n\
13970	obado	3735	<script id=\"canvas_script%d\" src=\"%s\"></script>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,getfile_cmd);
11806	schaersvoo	3736	}
		3737
14071	bpr	3738	/* these must be global...it is all really very poor javascript:( */
13970	obado	3739	fprintf(js_include_file,"\n/* begin generated javascript include for canvasdraw */\n\
11806	schaersvoo	3740	\"use strict\";\n\
13970	obado	3741	/* these variables and functions must be global */\n\
11806	schaersvoo	3742	var read_dragdrop%d;\
14038	schaersvoo	3743	var read_canvas_images;\
11806	schaersvoo	3744	var read_canvas%d;\
		3745	var set_clock;\
		3746	var clear_draw_area%d;\
		3747	var update_draw_area%d;\
14038	schaersvoo	3748	var place_image_on_canvas;\
11806	schaersvoo	3749	var draw_boxplot;\
		3750	var redraw_all%d;\
		3751	var userdraw_primitive;\n\
13970	obado	3752	var wims_canvas_function%d = function(){\n/* common used stuff */\n\
11806	schaersvoo	3753	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
		3754	var xsize = %d;\
		3755	var ysize = %d;\
		3756	var precision = 100;\
		3757	var canvas_div = document.getElementById(\"canvas_div%d\");\
		3758	var create_canvas%d = function(canvas_type,size_x,size_y){var cnv;if(document.getElementById(\"wims_canvas%d\"+canvas_type)){ cnv = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{try{ cnv = document.createElement(\"canvas\"); }catch(e){alert(\"Your browser does not support HTML5 CANVAS:GET FIREFOX !\");return;};canvas_div.appendChild(cnv);};cnv.width = size_x;cnv.height = size_y;cnv.style.top = 0;cnv.style.left = 0;cnv.style.position = \"absolute\";cnv.id = \"wims_canvas%d\"+canvas_type;return cnv;};\
		3759	function findPosX(i){ var obj = i;var curleft = 0;if(obj.offsetParent){while(1){curleft += obj.offsetLeft;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.x){curleft += obj.x;};};return curleft;};function findPosY(i){var obj = i;var curtop = 0;if(obj.offsetParent){while(1){curtop += obj.offsetTop;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.y){curtop += obj.y;};};return curtop;};\
		3760	function x2px(x){if(use_xlogscale == 0 ){return parseFloat(xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin));}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_in = Math.log(x)/Math.log(xlogbase);return x_inxsize/(x_max - x_min) - xsizex_min/(x_max - x_min);};};\
		3761	function px2x(px){if(use_xlogscale == 0 ){return parseFloat(px(xmax - xmin)/xsize + xmin);}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_out = x_min +px(x_max - x_min)/(xsize);return Math.pow(xlogbase,x_out);};};\
		3762	function px2y(py){if(use_ylogscale == 0 ){return parseFloat(ymax - py(ymax - ymin)/ysize);}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_out = y_max +py(y_min - y_max)/(ysize);return Math.pow(ylogbase,y_out);};};\
		3763	function y2px(y){if(use_ylogscale == 0){return parseFloat(-1yysize/(ymax - ymin) + ymaxysize/(ymax - ymin));}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_in = Math.log(y)/Math.log(ylogbase);return (y_max - y_in)ysize/(y_max - y_min);};};\
		3764	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		3765	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
		3766	function distance(x1,y1,x2,y2){return Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) );};\
		3767	function distance_to_line (r,q,x,y){var c = (y) - (-1/r)(x);var xs = r(c - q)/(rr+1);var ys = (r)(xs)+(q);return parseInt(Math.sqrt( (xs-x)(xs-x) + (ys-y)(ys-y) ));};\
		3768	function move(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = obj.x[p] + dx;obj.y[p] = obj.y[p] + dy;};return obj;};\
14208	schaersvoo	3769	function slide(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = parseInt(obj.x[p] + dx);obj.y[p] = parseInt(obj.y[p] + dy);};return obj;};\
14044	schaersvoo	3770	var isTouch = (('ontouchstart' in window) \|\| (navigator.msMaxTouchPoints > 0));var snap_x = 1;var snap_y = 1;\
11806	schaersvoo	3771	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
11890	schaersvoo	3772	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\
14044	schaersvoo	3773	function multisnap_check(x,y,snap){switch(snap){case 1:return [snap_to_x(x),snap_to_y(y)];break;case 2:return [snap_to_x(x),y];break;case 3:return [x,snap_to_y(y)];break;case 4:return snap_to_points(x,y);break;default: return [x,y];break;};};\
11806	schaersvoo	3774	var xlogbase = 10;\
		3775	var ylogbase = 10;\
		3776	var use_xlogscale = 0;\
		3777	var use_ylogscale = 0;\
11891	schaersvoo	3778	var x_strings = {};var x_strings_up = [];\
11806	schaersvoo	3779	var y_strings = null;\
		3780	var use_pan_and_zoom = 0;\
		3781	var use_jsmath = 0;\
		3782	var xstart = 0;\
		3783	var ystart = 0;\
		3784	var unit_x=\" \";\
		3785	var unit_y=\" \";\
14038	schaersvoo	3786	var external_canvas = create_canvas%d(%d,xsize,ysize);",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,EXTERNAL_IMAGE_CANVAS);
14066	bpr	3787	/* default add the drag code: nearly always used ...*/
11806	schaersvoo	3788	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		3789
		3790	break;
		3791
		3792
		3793	case SEGMENT:
7614	schaersvoo	3794	/*
11806	schaersvoo	3795	@ segment x1,y1,x2,y2,color
14071	bpr	3796	@ alternative: <code>seg</code>
		3797	@ draw a line segment between points (x1:y1)--(x2:y2) in color ''color``
11806	schaersvoo	3798	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
14061	schaersvoo	3799	@%segment_onclick%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%segment 1,1,-9,3,green
		3800	@%segment_drag_y%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag y%segment 1,1,-9,3,green
7614	schaersvoo	3801	*/
11806	schaersvoo	3802	for(i=0;i<5;i++) {
7614	schaersvoo	3803	switch(i){
11806	schaersvoo	3804	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		3805	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		3806	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		3807	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		3808	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		3809	decimals = find_number_of_digits(precision);
14208	schaersvoo	3810	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3811	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3812	/* click_cnt++; */
		3813	reset();
		3814	break;
		3815	default: break;
7614	schaersvoo	3816	}
		3817	}
		3818	break;
10953	bpr	3819
11806	schaersvoo	3820	case SEGMENTS:
9213	schaersvoo	3821	/*
11806	schaersvoo	3822	@ segments color,x1,y1,x2,y2,...,x_n,y_n
14071	bpr	3823	@ alternative: <code>segs</code>
		3824	@ draw multiple segments between points (x1:y1)--(x2:y2).....and... (x_n-1:y_n-1)--(x_n:y_n) in color ''color``
14162	bpr	3825	@ use command ''linewidth int'' to adust size
11806	schaersvoo	3826	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
12111	schaersvoo	3827	@%segments_onclick%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%segments green,1,1,3,3,0,0,-3,3,1,1,4,-1,-5,5,-3,-1
		3828	@%segments_drag_y%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag y%segments green,1,1,3,3,0,0,-3,3,1,1,4,-1,-5,5,-3,-1
9213	schaersvoo	3829	*/
11806	schaersvoo	3830	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3831	fill_color = stroke_color;
		3832	i=0;
		3833	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	3834	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	3835	if(i%2 == 0 ){
		3836	double_data[i] = get_real(infile,0); /* x */
		3837	}
		3838	else
		3839	{
		3840	double_data[i] = get_real(infile,1); /* y */
		3841	}
		3842	i++;
		3843	}
		3844	decimals = find_number_of_digits(precision);
		3845	for(c = 0 ; c < i-1 ; c = c+4){
14208	schaersvoo	3846	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		3847	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	3848	/* click_cnt++;*/
		3849	}
		3850	reset();
9213	schaersvoo	3851	break;
11806	schaersvoo	3852
		3853	case SETLIMITS:
9213	schaersvoo	3854	/*
11806	schaersvoo	3855	@ setlimits
14071	bpr	3856	@ keyword: if set, it will produce 4 inputfields for ''xmin,xmax,ymin,ymax`` and an ''ok`` button
11806	schaersvoo	3857	@ may be used for inputfield based zooming / panning
		3858	@ may be styled using command <a href="#inputstyle">inputstyle</a>
14071	bpr	3859	@ use commands <a href="#xlabel">xlabel / ylabel</a> to change text from xmin to ''xlabel`` etc
14247	bpr	3860	@ note: the input value will not be checked on validity
12107	schaersvoo	3861	@%setlimits%size 400,400%xrange -10,10%yrange -10,10%precision 1%xlabel T%ylabel H%axis%axisnumbering%grid 2,2,grey,2,2,5,grey%precision 100%multistrokecolors red,green,blue,orange%multilinewidth 1,1,2,2%multistrokeopacity 0.6,0.7,0.8,0.9%jsplot red,1/x,-1,x,1/(x-3),1/(x+3)%setlimits
9213	schaersvoo	3862	*/
11806	schaersvoo	3863	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		3864	add_setlimits(js_include_file,canvas_root_id,font_size,input_style);
		3865	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		3866	use_pan_and_zoom = TRUE;
		3867	done = TRUE;
9213	schaersvoo	3868	break;
11806	schaersvoo	3869
		3870	case SETPIXEL:
9213	schaersvoo	3871	/*
11806	schaersvoo	3872	@ setpixel x,y,color
		3873	@ A rectangular "point" with diameter 1 pixel centered at (x:y) in xrange / yrange
		3874	@ pixels can <b>not</b> be dragged or clicked
14086	bpr	3875	@ "pixelsize = 1" may be changed by command <code>pixelsize int</code>
12107	schaersvoo	3876	@%setpixel%size 400,400%xrange -10,10%yrange -10,10%setpixel 1,1,red%pixelsize 2%setpixel 2,2,green%pixelsize 3%setpixel 3,3,blue%
9213	schaersvoo	3877	*/
11806	schaersvoo	3878	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3879	for(i=0;i<3;i++){
		3880	switch(i){
		3881	case 0: double_data[0] = get_real(infile,0); break; /* x */
14162	bpr	3882	case 1: double_data[1] = get_real(infile,0); break; /* y */
11806	schaersvoo	3883	case 2: stroke_color = get_color(infile,1);
14208	schaersvoo	3884	string_length = 1 + snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3885	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	3886	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3887	add_to_buffer(tmp_buffer);
		3888	break;
		3889	default:break;
		3890	}
		3891	}
		3892	reset();
		3893	break;
		3894	case SLIDER:
9213	schaersvoo	3895	/*
14071	bpr	3896	@ slider start_value,end_value,width px,height px,type,label
14247	bpr	3897	@ type may be: ``xy,x,y,angle''
11806	schaersvoo	3898	@ if a slider value display is desired, use for argument <em>type</em>:<br />xy display<br />x display<br />y display<br />angle radian<br />angle degree
14071	bpr	3899	@ if a unit (or something like that...) for x/y-value display is needed, use commands ''xunit`` and / or ''yunit``
14066	bpr	3900	@ if the translation should be performed using a function, use for type: xy function,x function,y function<br />use commands sliderfunction_x and/or sliderfunction_y before the slider command to define the functions<br />example:<br /><code>sliderfunction_x x^2<br />sliderfunction_y y^2<br />slider -5,5,100,100,xy function,Some_Text<br />...some stuff to slide<br />killslider<br />sliderfunction_x x^2-2<br />slider -15,15,100,10,x function,Some_Other_Text<br />...more stuff to slide<br />killslider... etc</code>
14071	bpr	3901	@ use command ''slider`` before draggable/clickable objects.
14066	bpr	3902	@ drag and drop may be combined with rotation slider<br />for example an arrow rotated by a slider may be placed anywhere (drag&drop)<br /><code>size 300,300<br />xrange -5,5<br />yrange -5,5<br />grid 1,1,grey<br />linewidth 3<br />drag xy<br />fillcolor orange<br />strokecolor blue<br />slider 0,2*pi,250,30,angle degrees,Rotate arrow<br />arrow 2,2,5,5,8,red</code>
14071	bpr	3903	@ no slider for a math function, these can be traced using command ''trace_jscurve some_function_in_x``
		3904	@ a slider will affect all draggable objects after the ''slider`` command...<br />and can be used to group translate / rotate several objects...<br />until a next ''slider`` or keyword ''killslider``
11806	schaersvoo	3905	@ amount of sliders is not limited.
14208	schaersvoo	3906	@ a slider can not be set ''snaptogrid`` or other ''snapto*`` : you may always use 'drag xy' in combination with the slider objects
14071	bpr	3907	@ <code>javascript:read_dragdrop();</code> will return an array with ''object_number:slider_value``
		3908	@ type=xy: will produce a 2D ''slider`` [rectangle width x heigh px] in your web page
11806	schaersvoo	3909	@ every draggable object may have its own slider (no limit in amount of sliders)
		3910	@ label: some slider text
		3911	@ use fillcolor for slider ball
		3912	@ use strokecolor for slider bar
		3913	@ use fontfamily / fontcolor to set used fonts
		3914	@ use opacity (only fill opacity will be used) to set transparency
14071	bpr	3915	@ the slider canvas will be added to the ''tooltip div``: so incompatible with command tooltip ; setlimits etc
13950	schaersvoo	3916	@%slider_angle%size 300,300%xrange -5,5%yrange -5,5%grid 1,1,grey%linewidth 3%fillcolor orange%strokecolor blue%slider 0,2*pi,300,30,angle degrees,Rotate arrow%arrow 0,0,4.5,0,8,red%opacity 200,100%frect -4,4,1,-1,blue%killslider%frect -4,4,1,-1,blue
		3917	@%slider_x%size 300,300%xrange -5,5%yrange -5,5%grid 1,1,grey%linewidth 3%fillcolor orange%strokecolor blue%slider 0,2*pi,300,30,x,move arrow%arrow 0,0,4.5,0,8,red%opacity 200,100%frect -4,4,1,-1,blue%killslider%frect -4,4,1,-1,blue%display x,red,12
13951	schaersvoo	3918	@%slider_x_y_angle%size 300,300%xrange -5,5%yrange -5,5%grid 1,1,grey%linewidth 3%fillcolor orange%strokecolor blue%slider 0,2*pi,300,30,angle degrees,Rotate arrow%arrow 0,0,4.5,0,8,red%killslider%opacity 200,100%slider -2,2,300,30,x,move blue rectangle%frect -4,4,1,-1,blue%killslider%slider -2,2,300,30,y,move green rectangle%frect -4,4,1,-1,green
9213	schaersvoo	3919	*/
14208	schaersvoo	3920	int_data[2] = 0; /* --> show_display = 0; */
11806	schaersvoo	3921	for(i=0; i<6 ; i++){
		3922	switch(i){
		3923	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		3924	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		3925	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		3926	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
14066	bpr	3927	case 4: temp = get_string_argument(infile,0); /* type: xy,x,y,angle */
14208	schaersvoo	3928	if( ( strstr(temp,"displ")!=0 \|\| strstr(temp,"deg")!=0 \|\| strstr(temp,"rad")!=0 ) && int_data[2] == 0 ){
11806	schaersvoo	3929	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		3930	}
14208	schaersvoo	3931	if(strstr(temp,"angle")!= 0){slider_type="R";if( strstr(temp,"rad")!= 0){int_data[2] = 3;}if( strstr(temp,"deg")!= 0){int_data[2] = 4;}}
11806	schaersvoo	3932	else
14208	schaersvoo	3933	if(strstr(temp,"xy") != 0){slider_type = "XY";if( strstr(temp,"disp")!= 0){int_data[2] = 5;}}
11806	schaersvoo	3934	else
14208	schaersvoo	3935	if(strstr(temp,"x") != 0){slider_type = "X";if( strstr(temp,"disp")!= 0){int_data[2] = 1;}}
		3936	else
		3937	if(strstr(temp,"y") != 0){slider_type = "Y";if( strstr(temp,"disp")!= 0){int_data[2] = 2;}}
		3938	else
		3939	canvas_error("slider can be of type: xy,x,y,angle,fun_x:fun_y");
		3940	break;
		3941	case 5: temp = get_string_argument(infile,1); /* slider label */ break;
11806	schaersvoo	3942	}
		3943	}
14208	schaersvoo	3944	/*
		3945	function add_slider(type,titletext,id,width,height,linewidth,fillcolor,strokecolor,opacity,min,max,fun,fontfamily)
		3946	*/
		3947	if(slider_cnt == 0){
		3948	add_slider(js_include_file,canvas_root_id);
		3949	active_sliders[0] = 0;
		3950	}
		3951	string_length = 1 + snprintf(NULL,0,"slider%d = new slider(\"%s\",\"%s\",%d,%d,%d,%d,\"%s\",\"%s\",[%f,%f],%f,%f,null,'%s',%d);\n",slider_cnt,slider_type,temp,slider_cnt,int_data[0],int_data[1],line_width,fill_color,stroke_color,fill_opacity,stroke_opacity,double_data[0],double_data[1],font_family,int_data[2]);
		3952	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
		3953	snprintf(tmp_buffer,string_length ,"slider%d = new slider(\"%s\",\"%s\",%d,%d,%d,%d,\"%s\",\"%s\",[%f,%f],%f,%f,null,'%s',%d);\n",slider_cnt,slider_type,temp,slider_cnt,int_data[0],int_data[1],line_width,fill_color,stroke_color,fill_opacity,stroke_opacity,double_data[0],double_data[1],font_family,int_data[2]);
		3954	add_to_buffer(tmp_buffer);
		3955	fprintf(js_include_file,"var slider%d;",slider_cnt);
		3956	/* increment here */
		3957	slider_cnt++;
		3958	active_sliders[slider_cnt] = slider_cnt;
		3959	current_sliders = data2js_array(active_sliders,slider_cnt);
		3960	break;
		3961
14246	bpr	3962	case SLIDER_X:
9213	schaersvoo	3963	/*
11806	schaersvoo	3964	@ sliderfunction_x some_function_in_x
		3965	@ default value "x"
14208	schaersvoo	3966	@ the x-value of the slider object will be calculated with this function.
11806	schaersvoo	3967	@ default is the x-slider value itself
14071	bpr	3968	@ only used by command ''slider``
11806	schaersvoo	3969	@ define before a slider command !
9213	schaersvoo	3970	*/
11806	schaersvoo	3971	slider_function_x = get_string(infile,1);
		3972	break;
		3973	case SLIDER_Y:
		3974	slider_function_y = get_string(infile,1);
		3975	/*
		3976	@ sliderfunction_y some_function_in_y
		3977	@ default value "y"
		3978	@ the y-value of the slider object(s) will be calculated with this function.
14071	bpr	3979	@ only used by command ''slider``
11806	schaersvoo	3980	@ define before a slider command !
		3981	*/
		3982	break;
		3983	case SGRAPH:
		3984	/*
		3985	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
14071	bpr	3986	@ primitive implementation of a ''broken scale`` graph...
		3987	@ not very versatile: only usable in combination with userdraw <br />eg no other objects will obey this "coordinate system"<br />if you want to place an object into this coordinate system, be aware that 10% or 20% of xsize and/or ysize is ''lost``.<br />Use these "formulas" to recalculate the virtual coordinates:<br />factor=0.8 in case xstart != xmin (or ystart != ymin)<br />factor=0.9 in case xstart = xmin (or ystart = ymin)<br />px_x_point = ((factorxsize)/(xmax - xstart))(x_point - xmax)+xsize<br />x_recalculated = px(xmax - xmin)/xsize + $xmin<br />px_y_point = -1factory_pointysize/(ymax - ystart) + ymaxfactorysize/(ymax - ystart)<br />y_recalculated = ymax - py*(ymax - ymin)/ysize<br />
12111	schaersvoo	3988	@%sgraph%size 400,400%xrange 0,10000%yrange 0,100%sgraph 9000,50,100,10,4,4,grey,blue%userinput_xy%linewidth 2%userdraw segments,red%precision 0%mouse blue,22
11806	schaersvoo	3989	*/
		3990	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		3991	for(i = 0 ; i < 8 ;i++){
		3992	switch(i){
		3993	case 0:double_data[0] = get_real(infile,0);break;
		3994	case 1:double_data[1] = get_real(infile,0);break;
		3995	case 2:double_data[2] = get_real(infile,0);break;
		3996	case 3:double_data[3] = get_real(infile,0);break;
		3997	case 4:int_data[0] = (int)(get_real(infile,0));break;
		3998	case 5:int_data[1] = (int)(get_real(infile,0));break;
		3999	case 6:stroke_color = get_color(infile,0);break;
		4000	case 7:font_color = get_color(infile,1);
14208	schaersvoo	4001	string_length = 1 + snprintf(NULL,0,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
		4002	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	4003	snprintf(tmp_buffer,string_length,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
		4004	add_to_buffer(tmp_buffer);
		4005	break;
		4006	default:break;
		4007	}
		4008	}
		4009	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
9213	schaersvoo	4010	break;
11806	schaersvoo	4011
		4012	case SNAPTOFUNCTION:
9213	schaersvoo	4013	/*
11806	schaersvoo	4014	@ snaptofunction some_function_in_x,some_funtion_in_y
14066	bpr	4015	@ alternative: <code>snaptofun some_function_in_x,some_funtion_in_y</code>
11806	schaersvoo	4016	@ the next object will snap to the calculated values
14071	bpr	4017	@ note: snaptofun is probably not really useful feature...
14066	bpr	4018	@ if you want only modification of y-values,just use: <code>snaptofunction x,5*sin(1/y)</code>
		4019	@ if you want only modification of x-values,just use: <code>snaptofunction 5*sin(1/x),y</code>
14071	bpr	4020	@ for now only one instance of ''snaptofunction`` is allowed
11806	schaersvoo	4021	@ use rawmath on your functions: no validity checking is done by wims !
14071	bpr	4022	@ note: switching x and y coordinates? <code>snaptofunction y,x</code>
13960	bpr	4023	@%snaptofunction_1%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 100%snaptofunction x,5sin(x)%linewidth 3%crosshairsize 6%userdraw crosshairs,red%linewidth 2%curve blue,5sin(x)%xunit = x-value%display x,blue,22
		4024	@%snaptofunction_2%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 100%snaptofunction y^2-9,y%#snaptofunction y^2-9,abs(y)%linewidth 3%crosshairsize 6%userdraw crosshairs,red%linewidth 2%curve blue,sqrt(x+9)%curve blue,-1*sqrt(x+9)%yunit = y-value%display y,blue,22
9213	schaersvoo	4025	*/
11806	schaersvoo	4026	temp = get_string_argument(infile,0);
14038	schaersvoo	4027	use_snap = 2;
11806	schaersvoo	4028	if( use_js_math == FALSE){/* add this stuff only once...*/
		4029	add_to_js_math(js_include_file); use_js_math = TRUE;
		4030	}
		4031	fprintf(js_include_file,"var snap_fun = {x:to_js_math('%s'),y:to_js_math('%s')};function snap_to_fun(px,py){ var x = px2x(px); var y = px2y(py); return [ x2px(eval(snap_fun.x)) , y2px(eval(snap_fun.y)) ];};",temp,get_string(infile,1));
		4032	break;
		4033	case SNAPTOPOINTS:
		4034	/*
		4035	@ snaptopoints x1,y1,x2,y2,x3,y3....
		4036	@ a userdraw object will snap to these points.
14071	bpr	4037	@ the array size (e.g. the number of points) of command ''snaptopoints`` is limited by constant MAX_INT (canvasdraw.h)
14162	bpr	4038	@ a draggable object (use command ''drag x\|y\|xy``) will snap to the closed of these points when dragged (mouseup)
14078	bpr	4039	@ other options: use keyword ''snaptogrid``, ''xsnaptogrid`` or ''ysnaptogrid``
13950	schaersvoo	4040	@%snaptopoints%size 400,400%xrange -5,5%yrange -5,5%snaptopoints -1,-3,-1,-2,-1,0,-1,1,-1,2,-1,3,1,-3,1,-2,1,-1,1,0,1,1,1,2,1,3%linewidth 2%points red,-1,-3,-1,-2,-1,0,-1,1,-1,2,-1,3,1,-3,1,-2,1,-1,1,0,1,1,1,2,1,3%userdraw arrows,red
11806	schaersvoo	4041	*/
		4042	i = 0;
14038	schaersvoo	4043	use_snap = 4;
11806	schaersvoo	4044	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	4045	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	4046	if(i%2 == 0 ){
		4047	double_data[i] = get_real(infile,0); /* x */
		4048	}
		4049	else
		4050	{
		4051	double_data[i] = get_real(infile,1); /* y */
		4052	}
		4053	i++;
		4054	}
		4055	decimals = find_number_of_digits(precision);
14044	schaersvoo	4056	fprintf(js_include_file,"function find_min_diff(x,y,X,Y){var diff = 100000000;var chk;var idx = 0;for(var p = 0 ; p < %d ; p++){chk = distance(x,y,X[p],Y[p]);if( chk < diff ){ diff = chk; idx = p;};};return idx;};function snap_to_points(x,y){x = px2x(x); y = px2y(y);var points = [%s];var xpoints = points[0];var ypoints = points[1];var idx = find_min_diff(x,y,xpoints,ypoints);x = xpoints[idx];y = ypoints[idx];return [x2px(x),y2px(y)];};",(int) (0.5*i),double_xy2js_array(double_data,i,decimals));
11806	schaersvoo	4057	break;
		4058
		4059	case SNAPTOGRID:
		4060	/*
		4061	@ snaptogrid
		4062	@ keyword (no arguments required)
14162	bpr	4063	@ a draggable object (use command ''drag x\|y\|xy``) will snap to the given grid when dragged (mouseup)
11806	schaersvoo	4064	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
14078	bpr	4065	@ if no grid is defined, points will snap to every integer xrange/yrange value. (eg snap_x=1,snap_y=1)
14071	bpr	4066	@ if you do not want a visible grid, but you only want a ''snaptogrid`` with some value...define this grid with opacity 0.
14162	bpr	4067	@ if xminor / yminor is defined,(use keyword ''axis`` to activate the minor steps) the drawing will snap to xminor and yminor<br />use only even dividers in x/y-minor...for example <code>snaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red</code> will snap on x=0, x=0.5, x=1, x=1.5 .... will snap on y=0, y=0.25 y=0.5 y=0.75 ...
12311	schaersvoo	4068	@%snaptogrid_1%size 400,400%xrange -5,5%yrange -5,5%axis%axisnumbering%precision 1%grid 1,1,grey,2,2,6,grey%linewidth 2%snaptogrid%userdraw crosshairs,blue%mouse red,22
		4069	@%snaptogrid_2%size 400,400%xrange -5,5%yrange -5,5%axis%axisnumbering%precision 1%grid 1,1,grey,4,1,6,grey%linewidth 1%snaptogrid%userdraw crosshairs,blue%mouse red,22
11806	schaersvoo	4070	*/
14038	schaersvoo	4071	use_snap = 1;
11806	schaersvoo	4072	break;
		4073
		4074	case SQUARE:
		4075	/*
14078	bpr	4076	@ square x,y,side (px),color
14071	bpr	4077	@ draw a square with left top corner (x:y) with side ''side`` in color 'color'
		4078	@ use command <code>fsquare x,y,side,color</code> for a filled square
14162	bpr	4079	@ use command/keyword <a href='#filled'>filled</a> before command <code>square x,y,side,color</code>
11806	schaersvoo	4080	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	4081	@%square%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%filled%fillcolor blue%square 0,0,120,green
11806	schaersvoo	4082	*/
11991	schaersvoo	4083	for(i=0;i<4;i++){
11806	schaersvoo	4084	switch(i){
		4085	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		4086	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
11991	schaersvoo	4087	case 2:double_data[2] = get_real(infile,0);break; /* width in px */
		4088	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		4089	decimals = find_number_of_digits(precision);
		4090	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		4091	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
14208	schaersvoo	4092	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[3],decimals,double_data[3],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[4],decimals,double_data[4],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		4093	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}/* click_cnt++; */
11991	schaersvoo	4094	reset();break;
		4095	default: break;
11806	schaersvoo	4096	}
		4097	}
9213	schaersvoo	4098	break;
13829	bpr	4099
11806	schaersvoo	4100	case STATUS:
9213	schaersvoo	4101	/*
11806	schaersvoo	4102	@ status
		4103	@ keyword
14066	bpr	4104	@ alernative: nostatus
14078	bpr	4105	@ used to override the effects of ''status=done`` in wims (answer.phtml)
14071	bpr	4106	@ affects ''readonly`` in inputfields / textareas in canvasimage and all userdraw based commands
		4107	@ e.g.: if keyword ''status`` is set, the pupil will be able to modify the canvas when the ''wims $status variable`` is set to ''done``
9213	schaersvoo	4108	*/
11806	schaersvoo	4109
		4110	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
9213	schaersvoo	4111	break;
11806	schaersvoo	4112
		4113	case STRING:
9213	schaersvoo	4114	/*
11806	schaersvoo	4115	@ string color,x,y,the text string
14078	bpr	4116	@ may be set ''onclick`` or ''drag xy``
14071	bpr	4117	@ unicode supported: <code>string red,0,0,\\u2232</code>
		4118	@ use a command like <code>fontfamily italic 24px Ariel</code> to set fonts on browser that support font change
12311	schaersvoo	4119	@%string%size 400,400%xrange -10,10%yrange -10,10%fontfamily 14px Ariel%crosshair -3,-3,red%crosshair 3,3,blue%string red,-3,-3,Hello World%fontfamily Italic 18px Ariel%string red,3,3,Hello World%fontfamily 22pt STIX%string black,-10,8,\\u03B1 \\u03B2 \\u03B3 \\u03B4 \\u03B5 \\u03B6 \\u03B7 \\u03B8 \\u03B9 \\u03BA \\u03BB \\u03BC \\u03BD \\u03BE \\u03BF
9213	schaersvoo	4120	*/
11806	schaersvoo	4121	for(i=0;i<5;i++){
		4122	switch(i){
		4123	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		4124	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		4125	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		4126	case 3: decimals = find_number_of_digits(precision);
		4127	temp = get_string_argument(infile,1);
		4128	decimals = find_number_of_digits(precision);
14208	schaersvoo	4129	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,14,[%.f],[%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,use_rotate,angle,temp,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		4130	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	4131	onclick = 0;
		4132	use_offset = 0;
		4133	reset();;
11806	schaersvoo	4134	break;
		4135	default:break;
		4136	}
9213	schaersvoo	4137	}
		4138	break;
11806	schaersvoo	4139
		4140	case STRINGUP:
9213	schaersvoo	4141	/*
11806	schaersvoo	4142	@ stringup color,x,y,rotation_degrees,the text string
14078	bpr	4143	@ can <b>not</b> be set ''onclick`` or ''drag xy`` (because of translation matrix...mouse incompatible)
14071	bpr	4144	@ unicode supported: <code>stringup red,0,0,45,\\u2232</code>
		4145	@ use a command like <code>fontfamily bold 34px Courier</code> to set fonts on browser that support font change
		4146	@ you could use keyword <a href='#yoffset'>yoffset</a> to -sometimes- do a small correction of text placement under/above a point (e.g. text & point have thesame coordinates)
12311	schaersvoo	4147	@%stringup%size 400,400%xrange -10,10%yrange -10,10%fontfamily 14px Ariel%crosshair -3,0,red%crosshair 3,0,blue%stringup red,-3,0,-90,Hello World%stringup red,-3,0,-45,Hello World%stringup red,-3,0,45,Hello World%stringup red,-3,0,90,Hello World%stringup blue,3,0,-90,Hello World%stringup blue,3,0,-45,Hello World%stringup blue,3,0,45,Hello World%stringup blue,3,0,90,Hello World
11806	schaersvoo	4148
9213	schaersvoo	4149	*/
14066	bpr	4150	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library: rotate / mouse issues */
11806	schaersvoo	4151	for(i=0;i<6;i++){
		4152	switch(i){
		4153	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		4154	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		4155	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		4156	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		4157	case 4: decimals = find_number_of_digits(precision);
		4158	temp = get_string_argument(infile,1);
14208	schaersvoo	4159	string_length = 1 + snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
		4160	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11811	schaersvoo	4161	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
11806	schaersvoo	4162	add_to_buffer(tmp_buffer);
14038	schaersvoo	4163	use_offset=0;
		4164	reset();
11806	schaersvoo	4165	break;
		4166	default:break;
		4167	}
9213	schaersvoo	4168	}
		4169	break;
11767	schaersvoo	4170
11806	schaersvoo	4171	case STYLE:
11767	schaersvoo	4172	/*
11806	schaersvoo	4173	@ highlight color,opacity,linewidth
		4174	@ NOT IMPLEMENTED
14071	bpr	4175	@ use command ''onclick``: when the object receives a userclick it will increase its linewidth
11767	schaersvoo	4176	*/
		4177	break;
11806	schaersvoo	4178
		4179
		4180	case STROKECOLOR:
9213	schaersvoo	4181	/*
11806	schaersvoo	4182	@ strokecolor colorname or #hex
14071	bpr	4183	@ to be used for commands that do not supply a color argument (like command ''linegraph``)
9213	schaersvoo	4184	*/
11806	schaersvoo	4185	stroke_color = get_color(infile,1);
9213	schaersvoo	4186	break;
11806	schaersvoo	4187
		4188	case FLY_TEXT:
9213	schaersvoo	4189	/*
11806	schaersvoo	4190	@ text fontcolor,x,y,font,text_string
14066	bpr	4191	@ font may be described by keywords: giant,huge,normal,small,tiny
14071	bpr	4192	@ use command ''fontsize`` to increase base fontsize for these keywords
14086	bpr	4193	@ may be set ''onclick`` or ''drag xy``
11806	schaersvoo	4194	@ backwards compatible with flydraw
		4195	@ unicode supported: text red,0,0,huge,\\u2232
14071	bpr	4196	@ use command ''string`` combined with ''fontfamily`` for a more fine grained control over html5 canvas text element
14246	bpr	4197	@ Avoid mixing old flydraw commands ''text``, ''textup`` with new canvasdraw commands ''string``, ''stringup``. If the fontfamily was set completely like <code>fontfamily italic 24px Ariel</code>. In that case reset ''fontfamily`` to something lke ''fontfamily Ariel`` before the old flydraw commands.
12311	schaersvoo	4198	@%text%size 400,400%xrange -10,10%yrange -10,10%fontsize 14%onclick%drag xy%text green,-4,-4,small,Hello World%drag xy%text red,-4,-2,large,Hello World%drag xy%text blue,-4,0,huge,Hello World%drag xy%text green,-4,3,giant,Hello World%drag xy
9213	schaersvoo	4199	*/
11806	schaersvoo	4200	for(i = 0; i < 5 ;i++){
		4201	switch(i){
		4202	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		4203	case 1: double_data[0] = get_real(infile,0);break; /* x */
		4204	case 2: double_data[1] = get_real(infile,0);break; /* y */
		4205	case 3: fly_font = get_string_argument(infile,0);
		4206	if(strcmp(fly_font,"giant") == 0){
		4207	fly_font_size = (int)(font_size + 24);
		4208	}
		4209	else
		4210	{
		4211	if(strcmp(fly_font,"huge") == 0){
		4212	fly_font_size = (int)(font_size + 14);
		4213	}
		4214	else
		4215	{
		4216	if(strcmp(fly_font,"large") == 0){
		4217	fly_font_size = (int)(font_size + 6);
		4218	}
		4219	else
		4220	{
		4221	if(strcmp(fly_font,"small") == 0){
		4222	fly_font_size = (int)(font_size - 4);
		4223	if(fly_font_size<0){fly_font_size = 8;}
		4224	}
		4225	}
		4226	}
		4227	}
		4228	break;
		4229	case 4:
		4230	temp = get_string_argument(infile,1);
		4231	decimals = find_number_of_digits(precision);
14208	schaersvoo	4232	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,14,[%.f],[%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%f,\"%s\",%d,%s,%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,use_rotate,angle,temp,fly_font_size,"null",use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		4233	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
14038	schaersvoo	4234	onclick=0;
		4235	use_offset = 0;
11806	schaersvoo	4236	reset();
		4237	break;
		4238	default:break;
		4239	}
10953	bpr	4240	}
9213	schaersvoo	4241	break;
11806	schaersvoo	4242	case TEXTAREA:
9289	schaersvoo	4243	/*
11806	schaersvoo	4244	@ textarea x,y,cols,rows,readonly,value
14066	bpr	4245	@ may be further controlled by <a href="#inputstyle">inputstyle</a>
14162	bpr	4246	@ if ''$status=done`` (e.g. in answer.phtml) the inputfield will be cleared and set readonly. Override this by keyword <a href="#status">status</a>.
14066	bpr	4247	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (<code>javascript:read_canvas();</code>)
14071	bpr	4248	@ keyword ''xoffset \| centered`` is not active for command ''textarea``
12107	schaersvoo	4249	@%textarea%size 400,400%xrange -10,10%yrange -10,10%inputstyle color:red;background-color:lightblue;font-size:14px;text-align:center%textarea -3,-2,6,3,1,?%inputstyle color:blue;background-color:yellow;font-size:14px;text-align:center%textarea 0,-2,8,2,1,?
9289	schaersvoo	4250	*/
11806	schaersvoo	4251	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		4252	for(i = 0 ; i<6;i++){
9289	schaersvoo	4253	switch(i){
11806	schaersvoo	4254	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		4255	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		4256	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		4257	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		4258	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		4259	case 5: temp = get_string_argument(infile,1);
14208	schaersvoo	4260	string_length = 1 + snprintf(NULL,0, "draw_textareas(%d,%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],input_style,temp);
		4261	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	4262	snprintf(tmp_buffer,string_length,"draw_textareas(%d,%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],input_style,temp);
		4263	add_to_buffer(tmp_buffer);
		4264	input_cnt++;break;
9289	schaersvoo	4265	default: break;
		4266	}
		4267	}
11806	schaersvoo	4268	if(reply_format == 0 ){reply_format = 15;}
		4269	reset();
9289	schaersvoo	4270	break;
11806	schaersvoo	4271
11830	schaersvoo	4272	case TEXTFILL:
		4273	/*
		4274	@ textfill x0,y0,color,some_text
		4275	@ x0,y0 in xrange / yrange
		4276	@ color will be used for the font color
		4277	@ use command <a href="#fontfamily">fontfamily</a> to set font type and size
13829	bpr	4278	@ there is also a command <a href="#userdraw">userdraw textfill,color,some_text</a>
13951	schaersvoo	4279	@%textfill%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%fontfamily 24pt Ariel%circles red,0,0,3,3,3,6%textfill 4,4,blue,HELLO WORLD
11830	schaersvoo	4280	*/
		4281
		4282	js_function[DRAW_TEXTFILL] = 1;
		4283	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		4284	js_function[DRAW_FILLTOBORDER] = 1;
		4285	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		4286	}
		4287	decimals = find_number_of_digits(precision);
		4288	for(i=0;i<4;i++){
		4289	switch(i){
		4290	case 0: double_data[0] = get_real(infile,0); break; /* x in px */
		4291	case 1: double_data[1] = get_real(infile,0); break; /* y in py */
13829	bpr	4292	case 2: font_color = get_color(infile,0); break;
11830	schaersvoo	4293	case 3: temp = get_string(infile,1);
14208	schaersvoo	4294	string_length = 1 + snprintf(NULL,0,"draw_textfill(%d,%.f,%.f,'%s','%s',%d,%d,'%s',false); ",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],font_color,font_family,xsize,ysize,temp);
		4295	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11830	schaersvoo	4296	snprintf(tmp_buffer,string_length,"draw_textfill(%d,%.f,%.f,'%s','%s',%d,%d,'%s',false); ",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],font_color,font_family,xsize,ysize,temp);
		4297	add_to_buffer(tmp_buffer);
		4298	fill_cnt++;
		4299	break;
		4300	default:break;
		4301	}
		4302	}
		4303	reset();
		4304	break;
		4305
		4306
11806	schaersvoo	4307	case FLY_TEXTUP:
9289	schaersvoo	4308	/*
11806	schaersvoo	4309	@ textup fontcolor,x,y,font,text_string
14078	bpr	4310	@ can <b>not</b> be set ''onclick`` or ''drag xy`` (because of translaton matrix...mouse incompatible)
14066	bpr	4311	@ font may be described by keywords: giant,huge,normal,small,tiny
14071	bpr	4312	@ use command ''fontsize`` to increase base fontsize for the keywords
11806	schaersvoo	4313	@ backwards compatible with flydraw
		4314	@ unicode supported: textup red,0,0,huge,\\u2232
14071	bpr	4315	@ use command ''stringup`` and ''fontfamily`` for a more fine grained control over html5 canvas text element
14162	bpr	4316	@ Avoid mixing old flydraw commands ''text``, ''textup`` with new canvasdraw commands ''string``; ''stringup``. If the fontfamily was set completely like <code>fontfamily italic 24px Ariel</code>. In that case reset ''fontfamily`` to something like ''fontfamily Ariel`` before the old flydraw commands.
9289	schaersvoo	4317	*/
11806	schaersvoo	4318	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		4319	for(i = 0; i<5 ;i++){
9289	schaersvoo	4320	switch(i){
11806	schaersvoo	4321	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		4322	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		4323	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		4324	case 3: fly_font = get_string_argument(infile,0);
		4325	if(strcmp(fly_font,"giant") == 0){
		4326	fly_font_size = (int)(font_size + 24);
		4327	}
		4328	else
		4329	{
		4330	if(strcmp(fly_font,"huge") == 0){
		4331	fly_font_size = (int)(font_size + 14);
		4332	}
		4333	else
		4334	{
		4335	if(strcmp(fly_font,"large") == 0){
		4336	fly_font_size = (int)(font_size + 6);
		4337	}
		4338	else
		4339	{
		4340	if(strcmp(fly_font,"small") == 0){
		4341	fly_font_size = (int)(font_size - 4);
		4342	if(fly_font_size<0){fly_font_size = 8;}
		4343	}
		4344	}
		4345	}
		4346	}
		4347	break;
		4348	case 4:
9289	schaersvoo	4349	decimals = find_number_of_digits(precision);
11806	schaersvoo	4350	temp = get_string_argument(infile,1);
14208	schaersvoo	4351	string_length = 1 + snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],fly_font_size,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
		4352	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11811	schaersvoo	4353	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],fly_font_size,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
9289	schaersvoo	4354	add_to_buffer(tmp_buffer);
14038	schaersvoo	4355	reset();use_offset = 0;
9289	schaersvoo	4356	break;
11806	schaersvoo	4357	default:break;
		4358	}
		4359	}
		4360	break;
		4361
		4362
		4363	case TRACE_JSCURVE:
		4364	/*
		4365	@ trace_jscurve some_math_function
		4366	@ will use a crosshair to trace the jsmath curve
		4367	@ two inputfields will display the current x/y-values (numerical evaluation by javascript)
14071	bpr	4368	@ default labels ''x`` and ''y``; use commands ''xlabel some_x_axis_name`` and ''ylabel some_y_axis_name`` to customize the labels for the input fields
11806	schaersvoo	4369	@ use commands fontsize and inputstyle to format the fonts for labels and inputfields.
14071	bpr	4370	@ use commands ''linewidth, strokecolor, crosshairsize`` to adjust the corsshair.
		4371	@ the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath: use 2*x instead of 2x etc etc no check is done on the validity of your function and/or syntax (use error console to debug any errors...)
		4372	@ be aware that the formulas of the plotted function(s) can be found in the page javascript source
13959	bpr	4373	@%trace_jscurve%size 400,400%xrange -10,10%yrange -10,10%precision 0%axis%axisnumbering%grid 2,2,grey,2,2,5,gray%recision 100%inputstyle color:blue;%linewidth 4%crosshairsize 8%trace_jscurve 5sin(0.1x^2)%linewidth 1%jsplot red,5sin(0.1x^2)%#only one curve can be traced
11806	schaersvoo	4374	*/
		4375	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		4376	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4377	if( use_js_math == FALSE){
		4378	add_to_js_math(js_include_file);
		4379	use_js_math = TRUE;
		4380	}
		4381	add_trace_js_mouse(js_include_file,TRACE_CANVAS,canvas_root_id,stroke_color,get_string(infile,1),font_size,stroke_opacity,line_width,crosshair_size,input_style);
		4382	break;
		4383
		4384
		4385	case TRANGE:
		4386	/*
		4387	@ trange tmin,tmax
14071	bpr	4388	@ alternative: <code>ranget</code>
11806	schaersvoo	4389	@ default -2,2
		4390	*/
		4391	use_parametric = TRUE;
		4392	for(i = 0 ; i<2; i++){
		4393	switch(i){
		4394	case 0: tmin = get_real(infile,0);break;
		4395	case 1: tmax = get_real(infile,1);break;
9289	schaersvoo	4396	default: break;
		4397	}
		4398	}
14066	bpr	4399	if(tmin >= tmax ){canvas_error(" trange is not OK: tmin < tmax!\n");}
9289	schaersvoo	4400	break;
11806	schaersvoo	4401	case TRANSLATION:
		4402	/*
		4403	@ translation tx,ty
14071	bpr	4404	@ alternative: <code>translate</code>
11806	schaersvoo	4405	@ will translate the next objects tx in xrange and ty in yrange
14071	bpr	4406	@ use command ''killtranstation`` to end the command
13958	schaersvoo	4407	@%translation%size 400,400%xrange -10,10%yrange -10,10%linewidth 1%fillpattern grid%ftriangle -6,6,8,6,5,1,blue%translation 2,2%ftriangle -6,6,8,6,5,1,red
11806	schaersvoo	4408	*/
		4409	for(i = 0 ; i<2;i++){
		4410	switch(i){
		4411	case 0: double_data[0] = get_real(infile,0);break;
		4412	case 1: double_data[1] = get_real(infile,1);
		4413	use_affine = TRUE;
		4414	decimals = find_number_of_digits(precision);
14208	schaersvoo	4415	string_length = 1 + snprintf(NULL,0, "[1,0,0,1,%.f,%.f] ",decimals,double_data[0]xsize/(xmax - xmin),decimals,-1double_data[1]*ysize/(ymax - ymin));
		4416	check_string_length(string_length);affine_matrix = my_newmem(string_length);
11806	schaersvoo	4417	snprintf(affine_matrix,string_length,"[1,0,0,1,%.f,%.f] ",decimals,double_data[0]xsize/(xmax - xmin),decimals,-1double_data[1]*ysize/(ymax - ymin));
		4418	break;
		4419	default: break;
		4420	}
		4421	}
		4422	break;
		4423
		4424	case TRIANGLE:
		4425	/*
		4426	@ triangle x1,y1,x2,y2,x3,y3,color
14066	bpr	4427	@ use ftriangle or keyword <a href='#filled'>filled</a> for a solid triangle
11806	schaersvoo	4428	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
13948	schaersvoo	4429	@%triangle%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%opacity 250,150%drag xy%triangle 0,0,-4,4,6,8,red%drag xy%ftriangle 0,0,-4,-4,6,-8,red%fillpattern grid%drag xy%ftriangle -6,6,8,6,5,1,blue
11806	schaersvoo	4430	*/
		4431	for(i=0;i<7;i++){
		4432	switch(i){
		4433	case 0: double_data[0] = get_real(infile,0);break; /* x */
		4434	case 1: double_data[1] = get_real(infile,0);break; /* y */
		4435	case 2: double_data[2] = get_real(infile,0);break; /* x */
		4436	case 3: double_data[3] = get_real(infile,0);break; /* y */
		4437	case 4: double_data[4] = get_real(infile,0);break; /* x */
		4438	case 5: double_data[5] = get_real(infile,0);break; /* y */
		4439	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		4440	decimals = find_number_of_digits(precision);
14208	schaersvoo	4441	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,double_xy2js_array(double_data,6,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		4442	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	4443	/* click_cnt++;*/
		4444	reset();
		4445	break;
		4446	default: break;
		4447	}
		4448	}
		4449	break;
		4450	case TRIANGLES:
		4451	/*
		4452	@ triangles color,x1,y1,x2,y2,x3,y3,...
14066	bpr	4453	@ use ftriangles or keyword <a href='#filled'>filled</a> for solid triangles
11806	schaersvoo	4454	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
13948	schaersvoo	4455	@%triangles%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%onclick%triangles red,0,0,-4,4,6,8,0,0,-4,-4,6,-8,-6,6,8,6,5,1%# the same as 3 calls to command triangle
11806	schaersvoo	4456	*/
		4457	stroke_color = get_color(infile,0);/* name or hex color */
		4458	i = 0;
		4459	decimals = find_number_of_digits(precision);
		4460	while( ! done ){
11997	schaersvoo	4461	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	4462	double_data[0] = get_real(infile,0); /* x1 */
		4463	double_data[1] = get_real(infile,0); /* y1 */
		4464	double_data[2] = get_real(infile,0); /* x2 */
		4465	double_data[3] = get_real(infile,0); /* y2 */
		4466	double_data[4] = get_real(infile,0); /* x3 */
		4467	double_data[5] = get_real(infile,1); /* y3 */
14208	schaersvoo	4468	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,double_xy2js_array(double_data,6,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		4469	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	4470	i = i + 6;
		4471	}
		4472	reset();
		4473	break;
		4474	case USERBOXPLOT:
		4475	/*
		4476	@ userboxplot
		4477	@ keyword, no arguments
14066	bpr	4478	@ use before command <a href="#boxplot">boxplot x_or_y,box-height_or_box-width,x_or_y-position</a>
14071	bpr	4479	@ if set, the student will have to calculate "min,Q1,median,Q3,max" and feed these data into the ''draw_boxplot`` function
		4480	@ for example: put the canvas-script into a html element with id='boxplot' and set style='display:none'<br />define a variable called ''student_boxplot`` and fill it with the 5 student-data (from inputfields or something)<br /><code>var student_boxplot = new Array(5)<br />function show_boxplot(){<br />student_boxplot[0] = min;<br />student_boxplot[1] = Q1;<br />student_boxplot[2] = median;<br />student_boxplot[3] = Q3;<br />student_boxplot[4] = max;<br />document.getElementById('boxplot').style.display = "block";<br />draw_boxplot(12345,1,2.00,5.00,[0,0,0,0,0],4,"0,0,255",0.78,"255,165,0",0.60,1,0,1,1);<br />};</code><br />In the canvas-script the function draw_boxplot has the following arguments:<br />draw_boxplot=function(canvas_type,xy,hw,cxy,data,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1)
11806	schaersvoo	4481	*/
		4482	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		4483	fprintf(js_include_file,"var boxplot_source = 3;\n");
		4484	js_function[DRAW_JSBOXPLOT] = 2;
		4485	break;
		4486
		4487	case USERBOXPLOTDATA:
		4488	/*
		4489	@ userboxplotdata
		4490	@ keyword, no arguments
14066	bpr	4491	@ use before command <a href="#boxplot">boxplot x_or_y,box-height_or_box-width,x_or_y-position</a>
14071	bpr	4492	@ if set, the student will have to generate some statistical data. These data should be put in a named array ''student_boxplot_data``
14078	bpr	4493	@ ''min,Q1,median,Q3,max`` are calculated by a js-function and the 'draw_boxplot' function will draw a boxplot.
14066	bpr	4494	@ see command <a href="#userboxplot">userboxplot</a> for calling 'draw_boxplot()'
11806	schaersvoo	4495	*/
		4496	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		4497	fprintf(js_include_file,"var boxplot_source = 2;\n");
		4498	js_function[DRAW_JSBOXPLOT] = 1;
		4499
		4500	break;
		4501
7614	schaersvoo	4502	case USERDRAW:
		4503	/*
		4504	@ userdraw object_type,color
9213	schaersvoo	4505	@ only a single object_type is allowed.
14066	bpr	4506	@ for multiple different 'userdraw' objects in an exercise, use command <a href="#multidraw">multidraw</a>
14162	bpr	4507	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>vline</li><li>vlines</li><li>hline</li><li>hlines</li><li>demiline</li><li>demilines</li><li>segment</li><li>segments</li><li>polyline \| brokenline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrow2 (double arrow)</li><li>arrows</li><li>arrows2 (double arrows)</li><li>curvedarrow</li><li>curvedarrows</li><li>curvedarrow2</li><li>curvedarrows2</li><li>triangle</li><li>polygon</li><li>poly[3-9] (e.g poly3 ... poly7...poly9</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline \| path</li><li>freehandlines \| paths</li><li>clickfill: fill the clicked area with color<br />multiple areas may be selected <br />multiple colors may be provided using commands <a href='#colorpalette'>colorpalette color1,color2,color3,...</a> or <a href='#multifillcolors'>multifillcolors color1,color2,color_3,...</a> use <a href='#replyformat'>replyformat 10</a> for checking the user click color ... reply=x1:y1:color1,x2:y2:color2...<br/>attention: this will <b>not</b> work for pattern filling, because the pattern image is only generated once and after creation can not be changed !<br />the opacity of this image on a separate canvas is set to 0.01 and not 0 (!!)...in the ''fill algorithm`` the opacity of the matching pixels is set to 1</li><li>dotfill: fill the clicked area with a dot pattern; use command linewidth to change dot size</li><li>diamondfill: fill the clicked area with a diamond pattern</li><li>hatchfill: fill the clicked area with a hatch pattern</li><li>gridfill: fill the clicked area with a grid pattern</li><li>textfill: fill the clicked area with a repeating string<br />userdraw textfill,blue,some_text<br />use command <a href="#fontfamily">fontfamily</a> to adjust text style and size</li><li>''clickfill \| pattern filling`` in general:<br />the clicks may be set <a href="#snaptogrid">snaptogrid</a><br />can be used together with command <a href="#floodfill">floodfill or fill</a><br /><b>always</b> use together with command <a href="#clearbutton">clearbutton some_text</a> for removal of all click_colored areas<br />the function read_canvas() will return the click coordinates in the sequence of the user clicks<br />use command <a href="#canvastype">canvastype</a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)</li><li>text</li><li>arc</li><li>arcs</li><li>input<br/>place a single inputfield on ''canvas`` <br />use commands 'inputstyle' for css styling: use command ''linewidth`` for adjusting the input field size (default 1)</li><li>inputs<br/>place multiple inputfield: placing inputfields on top of each other is not possible</li></ul>
14078	bpr	4508	@ note: mouselisteners are only active if ''$status != done`` (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword ''status`` (no arguments required)
		4509	@ note: object_type text: Any string or multiple strings may be placed anywhere on the canvas.<br />''backspace / delete / esc`` will remove typed text if the mouse is clicked on the text.<br />You will need to hit ''enter`` to add the text to the array ''userdraw_txt``<br />Placing the cursor somewhere on a typed text and hitting ''delete/backspace/esc``, a confirm will popup asking to delete the selected text. This text will be removed from the ''userdraw_txt()`` answer array.<br />Use commands ''fontsize`` and ''fontfamily`` to control the text appearance
11088	schaersvoo	4510	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
14066	bpr	4511	@ note: all objects will be removed -after a javascript confirm box- when clicked on an object point with middle or right mouse button (e.g. event.which != 1: all buttons but left)
14071	bpr	4512	@ use a prefix <a href='#filled'>filled</a> or ''f`` to set fillable objects filled. (fcircles,filledcircles etc)
11839	schaersvoo	4513	@ for non solid filling, use command <a href="#fillpattern">fillpattern grid,hatch,diamond,dot</a>
14071	bpr	4514	@ use <a href='#opacity'>opacity int,int</a> and <a href='#fillcolor'>fillcolor color</a> to trigger coloured filling of fillable objects
14078	bpr	4515	@ use command ''dashed`` and/or ''dashtype int,int`` to trigger dashing
		4516	@ use command ''replyformat int`` to control / adjust output formatting of javascript function read_canvas(); (the defaults should be fine...)
14071	bpr	4517	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very useful...)
14066	bpr	4518	@ may be combined with keyword <a href='#userinput_xy'>userinput_xy</a>
		4519	@ may be combined width the <a href='#snaptogrid'>snaptogrid snaptopoints </a> etc, to simplify the checking of the student reply
13956	schaersvoo	4520	@ the cursor may be appropriately styled using command <a href='cursor'>cursor</a>
11088	schaersvoo	4521	@ note: when zooming / panning after a drawing, the drawing will NOT be zoomed / panned...this is a "design" flaw and not a feature <br />To avoid trouble do not use zooming / panning together width userdraw.!<br />use command <a href="#multidraw">multidraw</a> is this is a problem for you...
14247	bpr	4522	@ note: the default replyformat for ''userdraw input(s),color`` used format x1;y1;text1 \n x2;y2;test2 \n x_n;y_n;text_n (e.g. it is not a comma separated array...use ''direct exec`` to test)
14162	bpr	4523	@ note: a special case is ''userdraw images,boguscolor``. Images (bitmap or svg) present in the exercise page and the img-tag with an unique 'id' and <code>onclick='javascript:place_image_on_canvas(this.id)'</code> can be placed onto the canvas.<br />The ''id`` and (x;y) coordinates will be returned using read_canvas();<br /> On Gecko browsers there is an option to include MathML from the page onto the canvas, when the MathML code is embedded in a foreignObject,a div and an svg with size 1px, like in:<br /><code><svg xmlns="http://www.w3.org/2000/svg" width="1px" height="1px" onclick="javascript:place_image_on_canvas(this.id);" id='my_id'><br /><foreignObject width="100%" height="100%"><br /><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;width:auto;text-align: center;" > MATHML </div><br /></foreignObject><br /></svg></code><br />To resize and used the svg element, a small piece of javascript is needed...<br /><code>function resize_svg_mathml( mythings ){<br /> var len = mythings.length;<br />for(var p=0; p< len; p=p+2){<br /> var svg = document.getElementById(mythings[p]);<br />var div = document.getElementById(mythings[p+1]);<br />var w = parseInt(getComputedStyle(div).width);<br />var h = parseInt(getComputedStyle(div).height);<br />svg.setAttribute("height", h+'px');<br />svg.setAttribute("width", w+'px');<br />};<br />};<br /><br /> var mythings = [ array_with_image_ids ];<br />resize_svg_mathml(mythings);</code>
12107	schaersvoo	4524	@%userdraw_canvastype_a%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%snaptogrid%replyformat 10%colorpalette orange,yellow,red,green,lightgreen,blue,lightblue,cyan%canvastype 4%userdraw clickfill,blue%clearbutton REMOVE LAST RECTANGLE
		4525	@%userdraw_canvastype_b%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%canvastype 4%snaptogrid%replyformat 10%userdraw dotfill,blue%clearbutton REMOVE LAST RECTANGLE
		4526	@%userdraw_rect%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw rect,green
		4527	@%userdraw_rects%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw rects,green
		4528	@%userdraw_frect%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw frect,green
		4529	@%userdraw_frects%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw frects,green
		4530	@%userdraw_roundrect%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw roundrect,green
		4531	@%userdraw_roundrects%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw roundrects,green
		4532	@%userdraw_froundrect%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw froundrect,green
		4533	@%userdraw_froundrects%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw froundrects,green
		4534	@%userdraw_line%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw line,green
		4535	@%userdraw_lines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw lines,green
		4536	@%userdraw_vline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw vline,green
		4537	@%userdraw_vlines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw vlines,green
		4538	@%userdraw_hline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw hline,green
		4539	@%userdraw_hlines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw hlines,green
		4540	@%userdraw_demiline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw demiline,green
		4541	@%userdraw_demilines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw demilines,green
		4542	@%userdraw_arc%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw arc,green
		4543	@%userdraw_arcs%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw arcs,green
		4544	@%userdraw_point%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw point,green
		4545	@%userdraw_points%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw points,green
		4546	@%userdraw_arrow%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw arrow,green
		4547	@%userdraw_arrows%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw arrows,green
		4548	@%userdraw_arrow2%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw arrow2,green
		4549	@%userdraw_arrows2%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw arrows2,green
14025	schaersvoo	4550	@%userdraw_curvedarrow%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 1%linewidth 3%userdraw curvedarrow,red%clearbutton REMOVE ALL ARROWS
		4551	@%userdraw_curvedarrows%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 1%linewidth 3%userdraw curvedarrows,red%clearbutton REMOVE ALL ARROWS
14071	bpr	4552	@%userdraw_curvedarrow2%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 1%linewidth 3%userdraw curvedarrow2,red%clearbutton REMOVE ALL ARROWS
		4553	@%userdraw_curvedarrows2%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 1%grid 2,2,grey,2,2,5,grey%precision 1%linewidth 3%userdraw curvedarrows2,red%clearbutton REMOVE ALL ARROWS
12107	schaersvoo	4554	@%userdraw_crosshair%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw crosshair,green
		4555	@%userdraw_crosshairs%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw crosshairs,green
		4556	@%userdraw_circle%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw circle,green
		4557	@%userdraw_circles%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw circles,green
		4558	@%userdraw_segment%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw segment,green
		4559	@%userdraw_segments%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw segments,green
		4560	@%userdraw_line%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw line,green
		4561	@%userdraw_lines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw lines,green
		4562	@%userdraw_triangle%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw triangle,green
		4563	@%userdraw_poly5%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw poly5,green
		4564	@%userdraw_filled_poly5%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%filled%userdraw poly5,green
		4565	@%userdraw_poly7%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw poly7,green
		4566	@%userdraw_filled_poly7%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%filled%userdraw poly7,green
		4567	@%userdraw_polyline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%userdraw polyline,green
		4568	@%userdraw_freehandline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw freehandline,green
		4569	@%userdraw_filled_freehandline%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%fillcolor orange%opacity 200,50%filled%userdraw freehandline,green
		4570	@%userdraw_freehandlines%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%opacity 200,50%userdraw freehandlines,green
		4571	@%userdraw_input%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%userdraw input,green
		4572	@%userdraw_inputs%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%userdraw inputs,green
		4573	@%userdraw_text%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%fontfamily 42px Courier%userdraw text,green
14044	schaersvoo	4574	@%userdraw_clickfill_colorpalette%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%circles blue,0,0,4,1,1,6,3,3,3,-3,-3,5%opacity 255,120%colorpalette red,green,yellow,blue%userdraw clickfill,green
13948	schaersvoo	4575	@%userdraw_clickfill_1%size 400,400%xrange -10,10%yrange -10,10%linewidth 3%circles blue,0,0,4,1,1,6,3,3,3,-3,-3,5%opacity 255,120%userdraw clickfill,green
		4576	@%userdraw_clickfill_2%size 400,400%xrange -10,10%yrange -10,10%linewidth 1%circles blue,0,0,2,1,1,5,5,5,4,-5,5,6,5,-5,6%userdraw hatchfill,red%#userdraw dotfill,red%#userdraw diamonefill,red%#userdraw gridfill,red
14071	bpr	4577	@%userdraw_clickfill_2%size 400,400%xrange -10,10%yrange -10,10%bgcolor white%# to get nice click coordinates take invisible ''grid`` and use ''snaptogrid`` %grid 1,1,white%snaptogrid%circles blue,0,0,2,1,1,5,5,5,4,-5,5,6,5,-5,6%userdraw gridfill,red
7614	schaersvoo	4578	*/
		4579	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
14038	schaersvoo	4580	canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");
7614	schaersvoo	4581	}
8074	schaersvoo	4582	reply_precision = precision;
7614	schaersvoo	4583	use_userdraw = TRUE;
13970	obado	4584	fprintf(js_include_file,"\n/* begin userdraw mouse events */\n\
11839	schaersvoo	4585	userdraw_x = new Array();userdraw_y = new Array();\
11041	schaersvoo	4586	userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);\
11001	schaersvoo	4587	var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;\
		4588	if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};\
		4589	if(wims_status != \"done\"){\
14038	schaersvoo	4590	canvas_div.addEventListener(\"mousedown\" ,user_draw,false);\
		4591	canvas_div.addEventListener(\"mousemove\" ,user_drag,false);\
		4592	canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);\
		4593	canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();user_drag(e.changedTouches[0]);},false);\
14044	schaersvoo	4594	}\n/* end userdraw mouse & touch events */",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
14123	schaersvoo	4595
		4596	// canvas_div.addEventListener(\"touchend\" ,function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);
7614	schaersvoo	4597	draw_type = get_string_argument(infile,0);
		4598	stroke_color = get_color(infile,1);
		4599	if( strcmp(draw_type,"point") == 0 ){
		4600	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4601	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	4602	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
12006	schaersvoo	4603	/*
14066	bpr	4604	type = 0: a point ...radius is fixed
		4605	type = 1: a circle ... read inputfield userinput_r
		4606	num = 1: a single point / circle
		4607	num = 2: multiple points / circles
12006	schaersvoo	4608	*/
8071	schaersvoo	4609	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4610	if(use_input_xy == 1){
12006	schaersvoo	4611	add_input_circle(js_include_file,0,1);
8815	schaersvoo	4612	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4613	}
14044	schaersvoo	4614	add_js_points(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1,use_snap);
7614	schaersvoo	4615	}
		4616	else
		4617	if( strcmp(draw_type,"points") == 0 ){
		4618	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4619	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	4620	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	4621	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4622	if(use_input_xy == 1){
12006	schaersvoo	4623	add_input_circle(js_include_file,0,2);
8815	schaersvoo	4624	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4625	}
14044	schaersvoo	4626	add_js_points(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1,use_snap);
7614	schaersvoo	4627	}
		4628	else
		4629	if( strcmp(draw_type,"segment") == 0 ){
		4630	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4631	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	4632	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	4633	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4634	if(use_input_xy == 1){
7652	schaersvoo	4635	add_input_segment(js_include_file,1);
8815	schaersvoo	4636	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4637	}
14044	schaersvoo	4638	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7614	schaersvoo	4639	}
		4640	else
10975	schaersvoo	4641	if( strcmp(draw_type,"polyline") == 0 \|\| strcmp(draw_type,"brokenline") == 0 ){
7663	schaersvoo	4642	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	4643	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	4644	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	4645	if( use_input_xy == 1 ){
		4646	add_input_polyline(js_include_file);
8815	schaersvoo	4647	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7663	schaersvoo	4648	}
14044	schaersvoo	4649	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7663	schaersvoo	4650	}
		4651	else
7614	schaersvoo	4652	if( strcmp(draw_type,"segments") == 0 ){
		4653	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4654	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	4655	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	4656	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4657	if(use_input_xy == 1){
7652	schaersvoo	4658	add_input_segment(js_include_file,2);
8815	schaersvoo	4659	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4660	}
14044	schaersvoo	4661	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7614	schaersvoo	4662	}
		4663	else
11839	schaersvoo	4664	if( strcmp(draw_type,"circle") == 0 \|\| strcmp(draw_type,"fcircle") == 0 \|\| strcmp(draw_type,"filledcircle") == 0 ){
7614	schaersvoo	4665	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4666	if(reply_format == 0){reply_format = 10;}
11875	schaersvoo	4667	if(strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled = 1;}}
7614	schaersvoo	4668	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
8071	schaersvoo	4669	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4670	if(use_input_xy == 1){
12006	schaersvoo	4671	/*
14066	bpr	4672	type = 0: a point ...radius is fixed
		4673	type = 1: a circle ... read inputfield userinput_r
		4674	num = 1: a single point / circle
		4675	num = 2: multiple points / circles
12006	schaersvoo	4676	*/
		4677	add_input_circle(js_include_file,1,1);
8815	schaersvoo	4678	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4679	}
14044	schaersvoo	4680	add_js_circles(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7614	schaersvoo	4681	}
		4682	else
11839	schaersvoo	4683	if( strcmp(draw_type,"circles") == 0 \|\| strcmp(draw_type,"fcircles") == 0 \|\| strcmp(draw_type,"filledcircles") == 0 ){
7614	schaersvoo	4684	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4685	if(reply_format == 0){reply_format = 10;}
11839	schaersvoo	4686	if(strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7614	schaersvoo	4687	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
14044	schaersvoo	4688	add_js_circles(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4689	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4690	if(use_input_xy == 1){
12006	schaersvoo	4691	add_input_circle(js_include_file,1,2);
8815	schaersvoo	4692	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4693	}
7614	schaersvoo	4694	}
		4695	else
		4696	if(strcmp(draw_type,"crosshair") == 0 ){
		4697	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4698	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4699	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
14044	schaersvoo	4700	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity,use_snap);
8071	schaersvoo	4701	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4702	if(use_input_xy == 1){
7654	schaersvoo	4703	add_input_crosshair(js_include_file,1);
8815	schaersvoo	4704	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4705	}
7614	schaersvoo	4706	}
		4707	else
		4708	if(strcmp(draw_type,"crosshairs") == 0 ){
		4709	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4710	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4711	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
14044	schaersvoo	4712	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity,use_snap);
8071	schaersvoo	4713	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4714	if(use_input_xy == 1){
7654	schaersvoo	4715	add_input_crosshair(js_include_file,2);
8815	schaersvoo	4716	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4717	}
7614	schaersvoo	4718	}
		4719	else
		4720	if(strcmp(draw_type,"freehandline") == 0 ){
		4721	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4722	if(reply_format == 0){reply_format = 6;}
14044	schaersvoo	4723	add_js_paths(js_include_file,1,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4724	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4725	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4726	}
		4727	else
		4728	if(strcmp(draw_type,"freehandlines") == 0 ){
		4729	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4730	if(reply_format == 0){reply_format = 6;}
14044	schaersvoo	4731	add_js_paths(js_include_file,2,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4732	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4733	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4734	}
		4735	else
11839	schaersvoo	4736	if(strcmp(draw_type,"path") == 0 \|\| strcmp(draw_type,"fpath") == 0 \|\| strcmp(draw_type,"filledpath") == 0 ){
7614	schaersvoo	4737	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
13829	bpr	4738	if( strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4739	if(reply_format == 0){reply_format = 6;}
14044	schaersvoo	4740	add_js_paths(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4741	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4742	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4743	}
		4744	else
11839	schaersvoo	4745	if(strcmp(draw_type,"paths") == 0 \|\| strcmp(draw_type,"fpaths") == 0 \|\| strcmp(draw_type,"filledpaths") == 0 ){
7614	schaersvoo	4746	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
13829	bpr	4747	if( strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4748	if(reply_format == 0){reply_format = 6;}
14044	schaersvoo	4749	add_js_paths(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4750	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4751	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4752	}
		4753	else
		4754	if(strcmp(draw_type,"arrows") == 0 ){
		4755	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4756	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4757	add_js_arrows(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head,use_snap);
8224	bpr	4758	if(use_input_xy == 1){
7654	schaersvoo	4759	add_input_arrow(js_include_file,2);
8815	schaersvoo	4760	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4761	}
8071	schaersvoo	4762	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4763	}
		4764	else
7874	schaersvoo	4765	if(strcmp(draw_type,"arrows2") == 0 ){
		4766	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4767	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4768	add_js_arrows(js_include_file,2,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head,use_snap);
8224	bpr	4769	if(use_input_xy == 1){
7874	schaersvoo	4770	add_input_arrow(js_include_file,1);
8815	schaersvoo	4771	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4772	}
8071	schaersvoo	4773	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4774	}
		4775	else
		4776	if(strcmp(draw_type,"arrow2") == 0 ){
		4777	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4778	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4779	add_js_arrows(js_include_file,1,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head,use_snap);
8224	bpr	4780	if(use_input_xy == 1){
7874	schaersvoo	4781	add_input_arrow(js_include_file,1);
8815	schaersvoo	4782	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4783	}
8071	schaersvoo	4784	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4785	}
		4786	else
7614	schaersvoo	4787	if(strcmp(draw_type,"arrow") == 0 ){
		4788	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4789	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4790	add_js_arrows(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head,use_snap);
8224	bpr	4791	if(use_input_xy == 1){
7654	schaersvoo	4792	add_input_arrow(js_include_file,1);
8815	schaersvoo	4793	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4794	}
8071	schaersvoo	4795	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4796	}
		4797	else
14027	schaersvoo	4798	if( strcmp(draw_type,"curvedarrow2") == 0 ){
14035	schaersvoo	4799	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4800	add_js_curvedarrow(js_include_file,canvas_root_id,1,line_width,stroke_color,stroke_opacity,use_dashed,arrow_head,2,use_snap);
14027	schaersvoo	4801	if(use_input_xy > 0){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
14038	schaersvoo	4802	}
		4803	else
		4804	if( strcmp(draw_type,"curvedarrows2") == 0 ){
14035	schaersvoo	4805	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4806	add_js_curvedarrow(js_include_file,canvas_root_id,2,line_width,stroke_color,stroke_opacity,use_dashed,arrow_head,2,use_snap);
14027	schaersvoo	4807	if(use_input_xy > 0){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
14038	schaersvoo	4808	}
		4809	else
		4810	if( strcmp(draw_type,"curvedarrows") == 0 ){
14035	schaersvoo	4811	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4812	add_js_curvedarrow(js_include_file,canvas_root_id,2,line_width,stroke_color,stroke_opacity,use_dashed,arrow_head,1,use_snap);
14027	schaersvoo	4813	if(use_input_xy > 0){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
14038	schaersvoo	4814	}
		4815	else
		4816	if( strcmp(draw_type,"curvedarrow") == 0 ){
14035	schaersvoo	4817	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4818	add_js_curvedarrow(js_include_file,canvas_root_id,1,line_width,stroke_color,stroke_opacity,use_dashed,arrow_head,1,use_snap);
14027	schaersvoo	4819	if(use_input_xy > 0){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
14038	schaersvoo	4820	}
14025	schaersvoo	4821	else
11839	schaersvoo	4822	if(strcmp(draw_type,"polygon") == 0 \|\| strcmp(draw_type,"fpolygon") == 0 \|\| strcmp(draw_type,"filledpolygon") == 0){
7614	schaersvoo	4823	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
11839	schaersvoo	4824	if(strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4825	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4826	add_js_poly(js_include_file,-1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4827	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4828	if(use_input_xy == 2){
7780	schaersvoo	4829	add_textarea_polygon(js_include_file);
8815	schaersvoo	4830	add_textarea_xy(js_include_file,canvas_root_id,input_style);
7746	schaersvoo	4831	}
7614	schaersvoo	4832	}
8224	bpr	4833	else
7614	schaersvoo	4834	if(strncmp(draw_type,"poly",4) == 0){
		4835	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		4836	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4837	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4838	add_js_poly(js_include_file,(int) (draw_type[4]-'0'),draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4839	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4840	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4841	}
8224	bpr	4842	else
11839	schaersvoo	4843	if(strcmp(draw_type,"triangle") == 0 \|\| strcmp(draw_type,"ftriangle") == 0 \|\| strcmp(draw_type,"filledtriangle") == 0){
7614	schaersvoo	4844	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
11839	schaersvoo	4845	if(strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4846	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4847	add_js_poly(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4848	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4849	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4850	}
8224	bpr	4851	else
7989	schaersvoo	4852	if( strcmp(draw_type,"hline") == 0 ){
		4853	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4854	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4855	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4856	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4857	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4858	}
		4859	else
		4860	if( strcmp(draw_type,"hlines") == 0 ){
		4861	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4862	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4863	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4864	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4865	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4866	}
		4867	else
		4868	if( strcmp(draw_type,"vline") == 0 ){
		4869	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4870	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4871	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4872	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4873	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4874	}
		4875	else
		4876	if( strcmp(draw_type,"vlines") == 0 ){
		4877	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4878	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4879	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8071	schaersvoo	4880	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4881	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4882	}
		4883	else
7614	schaersvoo	4884	if( strcmp(draw_type,"line") == 0 ){
		4885	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4886	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4887	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4888	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7747	schaersvoo	4889	if( use_input_xy == 1 ){
7780	schaersvoo	4890	add_input_line(js_include_file,1);
8815	schaersvoo	4891	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7747	schaersvoo	4892	}
8071	schaersvoo	4893	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4894	}
		4895	else
		4896	if( strcmp(draw_type,"lines") == 0 ){
		4897	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4898	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4899	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4900	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7747	schaersvoo	4901	if( use_input_xy == 1 ){
7780	schaersvoo	4902	add_input_line(js_include_file,2);
8815	schaersvoo	4903	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7746	schaersvoo	4904	}
8071	schaersvoo	4905	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4906	}
		4907	else
8362	schaersvoo	4908	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"halflines") == 0 ){
8244	schaersvoo	4909	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4910	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4911	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4912	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8244	schaersvoo	4913	if( use_input_xy == 1 ){
		4914	add_input_demiline(js_include_file,2);
8815	schaersvoo	4915	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4916	}
		4917	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4918	}
		4919	else
8362	schaersvoo	4920	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"halfline") == 0 ){
8244	schaersvoo	4921	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4922	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4923	if(reply_format == 0){reply_format = 11;}
14044	schaersvoo	4924	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
8244	schaersvoo	4925	if( use_input_xy == 1 ){
		4926	add_input_demiline(js_include_file,1);
8815	schaersvoo	4927	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4928	}
		4929	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4930	}
		4931	else
11839	schaersvoo	4932	if( strcmp(draw_type,"rects") == 0 \|\| strcmp(draw_type,"frects") == 0 \|\| strcmp(draw_type,"filledrects") == 0 ){
7614	schaersvoo	4933	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
12008	schaersvoo	4934	if(strstr(draw_type,"f") != NULL){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4935	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4936	add_js_rect(js_include_file,2,0,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4937	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4938	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4939	}
8224	bpr	4940	else
11839	schaersvoo	4941	if( strcmp(draw_type,"roundrects") == 0 \|\| strcmp(draw_type,"froundrects") == 0 \|\| strcmp(draw_type,"filledroundrects") == 0){
7614	schaersvoo	4942	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
11839	schaersvoo	4943	if( strstr(draw_type,"f") != NULL ){ if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4944	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4945	add_js_rect(js_include_file,2,1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4946	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4947	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4948	}
8224	bpr	4949	else
11839	schaersvoo	4950	if( strcmp(draw_type,"rect") == 0 \|\| strcmp(draw_type,"frect") == 0 \|\| strcmp(draw_type,"filledrect") == 0 ){
7614	schaersvoo	4951	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
13829	bpr	4952	if( strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled =1;}}
7876	schaersvoo	4953	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4954	add_js_rect(js_include_file,1,0,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4955	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4956	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4957	}
8224	bpr	4958	else
11839	schaersvoo	4959	if( strcmp(draw_type,"roundrect") == 0 \|\| strcmp(draw_type,"froundrect") == 0 \|\| strcmp(draw_type,"filledroundrect") == 0){
7614	schaersvoo	4960	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
11839	schaersvoo	4961	if( strstr(draw_type,"f") != NULL ){if( use_pattern != 0 ){ use_filled = use_pattern;}else{use_filled = 1;}}
7876	schaersvoo	4962	if(reply_format == 0){reply_format = 2;}
14044	schaersvoo	4963	add_js_rect(js_include_file,1,1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_snap);
7652	schaersvoo	4964	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4965	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4966	}
		4967	else
11839	schaersvoo	4968	if( strcmp(draw_type,"arcs") == 0 \|\| strcmp(draw_type,"farcs") == 0 \|\| strcmp(draw_type,"filledarcs") == 0 ){
8083	schaersvoo	4969	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
11839	schaersvoo	4970	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1;}
		4971	if( strstr(draw_type,"f") != NULL ){use_filled =1;}
8083	schaersvoo	4972	if(reply_format == 0){reply_format = 25;}
14044	schaersvoo	4973	add_js_arc(js_include_file,canvas_root_id,2,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_filled,use_snap);
8083	schaersvoo	4974	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4975	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4976	}
		4977	else
11839	schaersvoo	4978	if( strcmp(draw_type,"arc") == 0 \|\| strcmp(draw_type,"farc") == 0 \|\| strcmp(draw_type,"filledarc") == 0){
8071	schaersvoo	4979	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
11017	schaersvoo	4980	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1;}
11839	schaersvoo	4981	if( strstr(draw_type,"f") != NULL ){use_filled =1;}
8083	schaersvoo	4982	if(reply_format == 0){reply_format = 25;}
14044	schaersvoo	4983	add_js_arc(js_include_file,canvas_root_id,1,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1],use_filled,use_snap);
8071	schaersvoo	4984	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4985	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4986	}
		4987	else
7614	schaersvoo	4988	if( strcmp(draw_type,"text") == 0){
7876	schaersvoo	4989	if(reply_format == 0){reply_format = 17;}
14044	schaersvoo	4990	add_js_text(js_include_file,canvas_root_id,font_size,font_family,stroke_color,stroke_opacity,use_snap);
7652	schaersvoo	4991	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4992	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4993	}
8116	schaersvoo	4994	else
14038	schaersvoo	4995	if( strcmp(draw_type,"images") == 0){
		4996	if(reply_format == 0){reply_format = 29;}
		4997	add_js_images(js_include_file,canvas_root_id,use_offset,use_snap);
		4998	}
		4999	else
8116	schaersvoo	5000	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	5001	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	5002	if(reply_format == 0){reply_format = 27;}
14044	schaersvoo	5003	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width,use_offset,use_snap);
8116	schaersvoo	5004	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		5005	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		5006	}
		5007	else
		5008	if( strcmp(draw_type,"input") == 0){
8224	bpr	5009	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	5010	if(reply_format == 0){reply_format = 27;}
14044	schaersvoo	5011	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width,use_offset,use_snap);
8116	schaersvoo	5012	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		5013	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		5014	}
11839	schaersvoo	5015	else /* attention: THIS NEEDS TO BE LAST ! */
11825	schaersvoo	5016	if( strstr(draw_type,"fill") != NULL ){
11005	schaersvoo	5017	decimals = find_number_of_digits(precision);
14044	schaersvoo	5018	add_js_clickfill(js_include_file,canvas_root_id,stroke_color,(int) (fill_opacity/0.0039215),use_snap);
		5019	if( reply_format == 0){reply_format = 10;}
11825	schaersvoo	5020	if( js_function[DRAW_FILLTOBORDER] != 1 ){js_function[DRAW_FILLTOBORDER] = 1;add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);}
14208	schaersvoo	5021	if( strcmp(draw_type,"gridfill") == 0){js_function[DRAW_GRIDFILL] = 1;string_length = 1 + snprintf(NULL,0,"draw_gridfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);check_string_length(string_length);tmp_buffer = my_newmem(string_length);snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true);",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);add_to_buffer(tmp_buffer);fill_cnt++;}
		5022	if( strcmp(draw_type,"diamondfill") == 0){js_function[DRAW_DIAMONDFILL] = 1;string_length = 1 + snprintf(NULL,0,"draw_diamondfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);check_string_length(string_length);tmp_buffer = my_newmem(string_length);snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true);",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);add_to_buffer(tmp_buffer);fill_cnt++;}
		5023	if( strcmp(draw_type,"dotfill") == 0){js_function[DRAW_DOTFILL] = 1;string_length = 1 + snprintf(NULL,0,"draw_dotfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);check_string_length(string_length);tmp_buffer = my_newmem(string_length);snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true);",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);add_to_buffer(tmp_buffer);fill_cnt++;}
		5024	if( strcmp(draw_type,"hatchfill") == 0){js_function[DRAW_HATCHFILL] = 1;string_length = 1 + snprintf(NULL,0,"draw_hatchfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);check_string_length(string_length);tmp_buffer = my_newmem(string_length);snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%d,%d,4,4,%d,'%s','0.01',%d,%d,true);",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),line_width,stroke_color,xsize,ysize);add_to_buffer(tmp_buffer);fill_cnt++;}
		5025	if( strcmp(draw_type,"textfill") == 0){js_function[DRAW_TEXTFILL] = 1;temp = get_string(infile,1);string_length = 1 + snprintf(NULL,0,"draw_textfill(%d,%d,%d,'%s','%s',%d,%d,'%s',true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),stroke_color,font_family,xsize,ysize,temp);check_string_length(string_length);tmp_buffer = my_newmem(string_length);snprintf(tmp_buffer,string_length,"draw_textfill(%d,%d,%d,'%s','%s',%d,%d,'%s',true); ",FILL_CANVAS+fill_cnt,(int) (xmax),(int) (ymax),stroke_color,font_family,xsize,ysize,temp);add_to_buffer(tmp_buffer);fill_cnt++;}
11005	schaersvoo	5026	}
		5027	else
7614	schaersvoo	5028	{
		5029	canvas_error("unknown drawtype or typo? ");
		5030	}
		5031	reset();
		5032	break;
8386	schaersvoo	5033
		5034	case USERINPUT:
		5035	/*
13955	schaersvoo	5036	@ userinput function inputfield
14071	bpr	5037	@ alternative: <code>userinput_function</code>
		5038	@ alternative: <code>userinput_xy</code>
14086	bpr	5039	@ textarea and inputfield are only usable in combination with some ''userdraw draw_ type``
8386	schaersvoo	5040	@ function may be used any time (e.g. without userdraw)
14071	bpr	5041	@ multiple ''userinput function`` commands may be used.
		5042	@ use command <code>functionlabel some_string</code> to define the inputfield text: default value "f(x)="
		5043	@ use command <code>strokecolor some_color</code> to adjust the plot / functionlabel color
		5044	@ use command <code>inputstyle some_css</code> to adjust the inputfields
		5045	@ use command <code>fontsize int</code> to adjust the label fonts. (default 12px)
		5046	@ the user input for the function will be corrected by a simple ''rawmath`` implementation...<br />an error message will be shown if javascript can not interpret the user input
13959	bpr	5047	@%userinput_function%size 400,400%xrange -10,10%yrange -10,10%functionlabel your function g(x)=%axis%axisnumbering%xlabel x-axis%ylabel y-axis%grid 2,2,grey,3,3,5,grey%inputstyle color:blue;text-align:center%userinput function%# note: number of function inputs not limited
13955	schaersvoo	5048	@%userinput_points%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%# adding 2 inputfields for x and y%userinput inputfield%userdraw points,blue
		5049	@%userinput_arrows%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%#adding 4 inputfields for (x1;y1)---(x2;y2)%userinput inputfieldd%userdraw arrows,blue
		5050	@%userinput_combined%size 400,400%xrange -10,10%yrange -10,10%functionlabel your function g(x)=%axis%axisnumbering%xlabel x-axis%ylabel y-axis%precision 0%grid 2,2,grey,3,3,5,grey%inputstyle color:blue;text-align:center%precision 1000%strokecolor red%opacity 255,255%userinput function%# note: number of function inputs not limited%userdraw line,blue
8386	schaersvoo	5051	*/
		5052	temp = get_string_argument(infile,1);
		5053	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
		5054	if( js_function[DRAW_JSFUNCTION] != 1 ){
		5055	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
		5056	js_function[DRAW_JSFUNCTION] = 1;
		5057	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	5058	add_input_jsfunction(js_include_file,canvas_root_id,input_style,function_label,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1],font_size);
8386	schaersvoo	5059	input_cnt++;
		5060	}
10953	bpr	5061	else
8386	schaersvoo	5062	{
14078	bpr	5063	/* no need to add DRAW_JSFUNCTION, just call it with the parameters */
8815	schaersvoo	5064	fprintf(js_include_file,"add_input_jsfunction(%d,\"%s\",\"%s\",%d,\"%s\",\"%.2f\",%d,%d,%d,%d);\n",input_cnt,input_style,function_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],font_size);
8386	schaersvoo	5065	input_cnt++;
		5066	}
		5067	if( use_js_math == FALSE){/* add this stuff only once...*/
		5068	add_to_js_math(js_include_file);
		5069	use_js_math = TRUE;
		5070	}
		5071	if( use_js_plot == FALSE){
		5072	use_js_plot = TRUE;
		5073	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		5074	}
		5075	}
		5076	else
		5077	{
		5078	if(strstr(temp,"inputfield") != 0 ){
		5079	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		5080	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		5081	use_input_xy = 1;
		5082	}
		5083	else
		5084	{
		5085	if(strstr(temp,"textarea") != 0 ){
		5086	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		5087	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		5088	use_input_xy = 2;
		5089	}
		5090	else
		5091	{
		5092	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		5093	}
		5094	}
		5095	}
		5096	break;
		5097	case USERINPUT_XY:
		5098	/*
		5099	@ userinput_xy
9372	schaersvoo	5100	@ keyword (no arguments required)
8386	schaersvoo	5101	@ to be used in combination with command "userdraw object_type,color"
14078	bpr	5102	@ if set two (or three) input fields are added to the document<br />(one for x-values, one for y-values and in case of drawing circle one for radius-values)
8386	schaersvoo	5103	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
14071	bpr	5104	@ math input is allowed (e.g something like: 1+3,2*6,1/3,sqrt(3), sin(pi/4),10^-2,log(2)...)<br />eval function is ''protected`` against code injection.
14086	bpr	5105	@ can <b>not</b> be combined with command ''intooltip tiptext`` <br />note: the ''tooltip div element`` is used for placing inputfields
8386	schaersvoo	5106	@ user drawings will not zoom on zooming (or pan on panning)
14071	bpr	5107	@ use command inputstyle some_css`` to adjust the inputarea.
		5108	@ use command ''fontsize int`` to adjust the text labels (if needed)
13950	schaersvoo	5109	@%userinput_xy%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%precision 0%grid 2,2,grey,3,3,6,black%# provides inputfields for (x1:y1)---(x2:y2)%userinput_xy%linewidth 2%precision 1000%userdraw lines,blue
8386	schaersvoo	5110	*/
		5111	/* add simple eval check to avoid code injection with unprotected eval(string) */
		5112	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		5113	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		5114	use_input_xy = 1;
		5115	break;
		5116
		5117	case USERINPUT_FUNCTION:
		5118	/*
		5119	@ userinput_function
9372	schaersvoo	5120	@ keyword (no arguments required)
14078	bpr	5121	@ if set, a inputfield will be added to the page
8386	schaersvoo	5122	@ repeat keyword for more function input fields
		5123	@ the userinput value will be plotted in the canvas
14071	bpr	5124	@ this value may be read with <code>read_canvas()</code>. <br />for do it yourself js-scripters: If this is the first inputfield in the script, its id is canvas_input0
14078	bpr	5125	@ use before this command ''userinput_function``,<br />commands like ''inputstyle some_css``, ''xlabel some_description``, ''opacity int,int``, ''linewidth int``, ''dashed`` and ''dashtype int,int`` to modify
14071	bpr	5126	@ fontsize can be set using command ''fontsize int``
		5127	@ incompatible with command ''intooltip link_text_or_image``: it uses the tooltip div for adding the inputfield
13950	schaersvoo	5128	@%userinput_function%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%xlabel x-axis%ylabel y-axis%precision 0%grid 2,2,grey,2,2,5,grey%precision 1000%linewidth 2%# first inputfield%inputstyle color:blue;text-align:center;font-family:Italic;%strokecolor blue%functionlabel g(x)=%userinput function%# second inputfield%inputstyle color:green;text-align:center;font-family:Italic;%strokecolor green%functionlabel h(x)=%userinput function%# third inputfield%inputstyle color:purple;text-align:center;font-family:Italic;%strokecolor purple%functionlabel k(x)=%userinput function%# no limit in number of function inputfields
8386	schaersvoo	5129	*/
		5130	if( js_function[DRAW_JSFUNCTION] != 1 ){
		5131	js_function[DRAW_JSFUNCTION] = 1;
		5132	add_rawmath(js_include_file);
		5133	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	5134	add_input_jsfunction(js_include_file,canvas_root_id,input_style,function_label,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1],font_size);
8386	schaersvoo	5135	input_cnt++;
		5136	}
10953	bpr	5137	else
8386	schaersvoo	5138	{
14078	bpr	5139	/* no need to add DRAW_JSFUNCTION, just call it with the parameters */
8815	schaersvoo	5140	fprintf(js_include_file,"add_input_jsfunction(%d,\"%s\",\"%s\",%d,\"%s\",\"%.2f\",%d,%d,%d,%d);\n",input_cnt,input_style,function_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],font_size);
8386	schaersvoo	5141	input_cnt++;
		5142	}
		5143	if( use_js_math == FALSE){/* add this stuff only once...*/
		5144	add_to_js_math(js_include_file);
		5145	use_js_math = TRUE;
		5146	}
		5147	if( use_js_plot == FALSE){
		5148	use_js_plot = TRUE;
		5149	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		5150	}
		5151	break;
		5152
		5153
		5154
11806	schaersvoo	5155	case USERTEXTAREA_XY:
7788	schaersvoo	5156	/*
11806	schaersvoo	5157	@ usertextarea_xy
13955	schaersvoo	5158	@ NOT IMPLEMENTED !!
11806	schaersvoo	5159	@ keyword (no arguments required)
14086	bpr	5160	@ to be used in combination with command <code>userdraw object_type,color</code> wherein object_type is only segment / polyline for the time being...
		5161	@ if set two textareas are added to the document (one for x-values, one for y-values)
11806	schaersvoo	5162	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		5163	@ user drawings will not zoom on zooming (or pan on panning)
14071	bpr	5164	@ use command ''inputstyle some_css`` to adjust the inputarea.
		5165	@ use command ''fontsize int`` to adjust the text labels (if needed)
7788	schaersvoo	5166	*/
11806	schaersvoo	5167	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		5168	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		5169	use_input_xy = 2;
7788	schaersvoo	5170	break;
8386	schaersvoo	5171
11806	schaersvoo	5172	case VLINE:
8386	schaersvoo	5173	/*
11806	schaersvoo	5174	@ vline x,y,color
14071	bpr	5175	@ alternative: <code>verticalline</code>
11806	schaersvoo	5176	@ draw a vertical line through point (x:y) in color 'color'
		5177	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
12107	schaersvoo	5178	@%vline%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%vline 0,0,red%onclick%vline 1,0,orange%onclick%vline 2,0,blue%onclick%vline 3,0,green
8386	schaersvoo	5179	*/
11806	schaersvoo	5180	for(i=0;i<3;i++) {
7614	schaersvoo	5181	switch(i){
11806	schaersvoo	5182	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		5183	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		5184	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		5185	double_data[2] = double_data[0];
7614	schaersvoo	5186	decimals = find_number_of_digits(precision);
14208	schaersvoo	5187	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[0],decimals,double_data[2],decimals,100ymin,decimals,100ymax,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		5188	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	5189	/* click_cnt++; */
8379	schaersvoo	5190	reset();
7614	schaersvoo	5191	break;
		5192	}
		5193	}
		5194	break;
		5195
11806	schaersvoo	5196	case VLINES:
11802	schaersvoo	5197	/*
11806	schaersvoo	5198	@ vlines color,x1,y1,x2,y2....
14071	bpr	5199	@ alternative: <code>verticallines</code>
11806	schaersvoo	5200	@ draw vertical lines through points (x1:y1),(x2:y2)... in color 'color'
		5201	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
13939	bpr	5202	@%vlines%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%vlines red,1,0,2,0,3,0,4,0
11802	schaersvoo	5203	*/
11806	schaersvoo	5204	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		5205	fill_color = stroke_color;
		5206	i=0;
		5207	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	5208	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	5209	if(i%2 == 0 ){
		5210	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	5211	}
11806	schaersvoo	5212	else
		5213	{
		5214	double_data[i] = get_real(infile,1); /* y */
7983	schaersvoo	5215	}
11806	schaersvoo	5216	i++;
7983	schaersvoo	5217	}
11806	schaersvoo	5218	decimals = find_number_of_digits(precision);
		5219	for(c = 0 ; c < i-1 ; c = c+2){
14208	schaersvoo	5220	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c],decimals,ymin,decimals,ymax,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
		5221	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	5222	/* click_cnt++; */
		5223	}
		5224	reset();
7983	schaersvoo	5225	break;
11806	schaersvoo	5226
		5227	case VIDEO:
7614	schaersvoo	5228	/*
11806	schaersvoo	5229	@ video x,y,w,h,videofile location
14066	bpr	5230	@ x,y: left top corner of audio element (in xrange / yrange)
		5231	@ w,y: width and height in pixels
		5232	@ video format may be in *.mp4 (todo: other formats)
13950	schaersvoo	5233	@%video%size 400,400%xrange -10,10%yrange -10,10%opacity 200,100%frect -9,9,6,-6,green%video -5,5,200,200,http://techslides.com/demos/sample-videos/small.mp4
7614	schaersvoo	5234	*/
11806	schaersvoo	5235	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
7614	schaersvoo	5236	for(i=0;i<5;i++){
		5237	switch(i){
11806	schaersvoo	5238	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
14162	bpr	5239	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
11806	schaersvoo	5240	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		5241	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		5242	case 4: temp = get_string(infile,1);
14208	schaersvoo	5243	string_length = 1 + snprintf(NULL,0, "draw_video(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
		5244	check_string_length(string_length);tmp_buffer = my_newmem(string_length);
11806	schaersvoo	5245	snprintf(tmp_buffer,string_length,"draw_video(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
7614	schaersvoo	5246	add_to_buffer(tmp_buffer);
		5247	break;
		5248	default:break;
		5249	}
		5250	}
		5251	reset();
		5252	break;
11806	schaersvoo	5253
7614	schaersvoo	5254	case X_AXIS_STRINGS:
		5255	/*
		5256	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
14071	bpr	5257	@ alternative: <code>xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n</code>
13936	bpr	5258	@ usable for commands <a href="#numberline">numberline</a> and <a href="#grid">grid</a> or combinations thereof
9346	schaersvoo	5259	@ use these x-axis num1...num_n values instead of default xmin...xmax
14071	bpr	5260	@ in case of command ''grid``. there is no need to use keyword <a href="#axisnumbering">axisnumbering</a>
13936	bpr	5261	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="#grid">grid</a>
14086	bpr	5262	@ use command ''fontcolor``, ''fontfamily`` to adjust font <br />defaults: black,12,Ariel<br />note: command ''fontsize`` is not active for this command.(''fontsize`` can be used for the <a href="#legend">legend</a> in a <a href="#grid">grid</a>)
9346	schaersvoo	5263	@ a javascript error message will flag non-matching value:name pairs
14071	bpr	5264	@ if the ''x-axis words`` are too big and will overlap, a simple alternating offset will be applied
11044	schaersvoo	5265	@ to be used before command grid (see <a href="#grid">command grid</a>)
14078	bpr	5266	@ ''xmajor`` steps should be synchronised with numbers eg. ''1`` in the next example <code>grid 1,100,grey,1,4,6,grey</code>
13937	schaersvoo	5267	@%xaxistext%size 800,200%xrange -1,13%yrange -5,10%axis%xaxistext 1:january:2:february:3:march:4:april:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december%grid 1,4,grey,1,2,10,red
7614	schaersvoo	5268	*/
11891	schaersvoo	5269	use_axis_numbering++;
7614	schaersvoo	5270	temp = get_string(infile,1);
		5271	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		5272	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
11891	schaersvoo	5273	fprintf(js_include_file,"x_strings[%d] = [\"%s\"];x_strings_up[%d] = null;",use_axis_numbering,temp,use_axis_numbering);
7614	schaersvoo	5274	break;
9341	schaersvoo	5275	case X_AXIS_STRINGS_UP:
		5276	/*
		5277	@ xaxisup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
14071	bpr	5278	@ alternative: <code>xaxistextup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n</code>
9341	schaersvoo	5279	@ the text will be rotated 90° up
11044	schaersvoo	5280	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
13936	bpr	5281	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="#grid">grid</a>
9346	schaersvoo	5282	@ use these x-axis num1...num_n values instead of default xmin...xmax
14086	bpr	5283	@ use command ''fontcolor``, <a href="#fontfamily">fontfamily</a> to adjust font <br />defaults: black,12,Ariel<br />note: command ''fontsize`` is not active for this command.(''fontsize`` can be used for the <a href="#legend">legend</a> in a <a href="#grid">grid</a>)
9346	schaersvoo	5284	@ a javascript error message will flag non-matching value:name pairs
14071	bpr	5285	@ if the ''x-axis words`` are too big, they will overlap the graph<br /> (in this case the text will start from ysize upwards)
11044	schaersvoo	5286	@ to be used before command grid (see <a href="#grid">command grid</a>)
14086	bpr	5287	@''xmajor`` steps should be synchronised with numbers eg. "1" in the next example <code>grid 1,100,grey,1,4,6,grey</code>
13937	schaersvoo	5288	@%xaxistextup%size 800,300%xrange -1,13%yrange -10,10%fontfamily Italic 18pt Courier%axis%xaxistextup 1:january:2:february:3:march:4:april:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december%grid 1,4,grey,1,2,10,red
9341	schaersvoo	5289	*/
11891	schaersvoo	5290	use_axis_numbering++;
9341	schaersvoo	5291	temp = get_string(infile,1);
		5292	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		5293	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
11891	schaersvoo	5294	fprintf(js_include_file,"x_strings_up[%d] = 1;x_strings[%d] = [\"%s\"];",use_axis_numbering,use_axis_numbering,temp);
9341	schaersvoo	5295	break;
8224	bpr	5296
11806	schaersvoo	5297	case XERRORBARS:
7614	schaersvoo	5298	/*
11806	schaersvoo	5299	@ xerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		5300	@ draw multiple points with x-errorbars E1 (error value left from point) and E2 (error value right from point) at given coordinates in color 'color'
		5301	@ the errors E1 and E2 values are in xrange.
14071	bpr	5302	@ use command ''linewidth int`` to adust size
11806	schaersvoo	5303	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
12107	schaersvoo	5304	@%xerrorbars%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%drag xy%xerrorbars red,0.8,1.3,0,0,1,1,2,3,3,2,4,5,5,2,6,1,-1,-2,-2,0,-3,2,-4,4,-5,-1
12006	schaersvoo	5305
7614	schaersvoo	5306	*/
11806	schaersvoo	5307	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		5308	fill_color = stroke_color;
		5309	i=0;
		5310	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	5311	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11806	schaersvoo	5312	if(i%2 == 0 ){
		5313	double_data[i] = get_real(infile,0); /* x */
8071	schaersvoo	5314	}
11806	schaersvoo	5315	else
		5316	{
		5317	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	5318	}
11806	schaersvoo	5319	i++;
7614	schaersvoo	5320	}
11806	schaersvoo	5321	decimals = find_number_of_digits(precision);
		5322	for(c = 2 ; c < i-1 ; c = c+2){
14208	schaersvoo	5323	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,20,[%.f],[%.f],[%.2f],[%.2f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],double_data[0],double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	5324	/* click_cnt++; */
14208	schaersvoo	5325	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
11806	schaersvoo	5326	}
7614	schaersvoo	5327	reset();
		5328	break;
11806	schaersvoo	5329
		5330	case XRANGE:
7614	schaersvoo	5331	/*
11806	schaersvoo	5332	@ xrange xmin,xmax
14071	bpr	5333	@ alternative: <code>rangex</code>
11806	schaersvoo	5334	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	5335	*/
11806	schaersvoo	5336	for(i = 0 ; i<2; i++){
7614	schaersvoo	5337	switch(i){
11806	schaersvoo	5338	case 0: xmin = get_real(infile,0);break;
		5339	case 1: xmax = get_real(infile,1);break;
7614	schaersvoo	5340	default: break;
		5341	}
		5342	}
14066	bpr	5343	if(xmin >= xmax){canvas_error(" xrange is not OK: xmin < xmax !\n");}
11806	schaersvoo	5344	fprintf(js_include_file,"var xmin = %f;var xmax = %f;\n",xmin,xmax);
		5345	found_size_command++;
7614	schaersvoo	5346	break;
8386	schaersvoo	5347
		5348
		5349
11806	schaersvoo	5350	case XSNAPTOGRID:
7614	schaersvoo	5351	/*
11806	schaersvoo	5352	@ xsnaptogrid
		5353	@ keyword (no arguments required)
14086	bpr	5354	@ a draggable object (use command ''drag x\|y\|xy``) will snap to the given x-grid values when dragged (mouseup)
11806	schaersvoo	5355	@ in case of userdraw the drawn points will snap to xmajor grid
14078	bpr	5356	@ if no grid is defined, points will snap to every integer xrange value. (eg snap_x=1)
14071	bpr	5357	@ if you do not want a visible grid, but you only want a ''snaptogrid`` with some value...define this grid with opacity 0.
		5358	@ if xminor is defined (use keyword ''axis`` to activate xminor), the drawing will snap to xminor <br />use only even dividers in x-minor...for example<br /><code>xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red</code><br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
13939	bpr	5359	@%xsnaptogrid_1%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 2%xsnaptogrid%userdraw segments,red%precision 1%display x,red,12
		5360	@%xsnaptogrid_2%size 400,400%xrange -10,10%yrange -10,10%grid 1,1,grey%linewidth 3%drag x%points red,0,0,0,0,0,0,0,0,0,0
12007	schaersvoo	5361
7614	schaersvoo	5362	*/
14038	schaersvoo	5363	use_snap = 2;
11806	schaersvoo	5364	break;
8386	schaersvoo	5365
11806	schaersvoo	5366	case XOFFSET:
7614	schaersvoo	5367	/*
12063	schaersvoo	5368	@ xoffset
13829	bpr	5369	@ keyword ; to place the text centered above the text coordinates(x:y) ...
		5370	@ may be used for points or other things requiring centered labels
12063	schaersvoo	5371	@ use <a href="#fontfamily">fontfamily</a> for setting the font
11811	schaersvoo	5372	@ may be active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-library)
12107	schaersvoo	5373	@%xoffset%size 400,400%xrange -10,10%yrange -10,10%fontfamily 12pt Ariel%string blue,-9,-9,no offset%point -9,-9,red%centered%string blue,-6,-6,centered%point -6,-6,red%xoffset%string blue,-3,-3,xoffset%point -3,-3,red%yoffset%string blue,0,0,yoffset%point 0,0,red%xyoffset%string blue,3,3,xyoffset%point 3,3,red%resetoffset%string blue,6,6,resetoffset%point 6,6,red
7614	schaersvoo	5374	*/
12063	schaersvoo	5375	use_offset = 2;
11806	schaersvoo	5376	break;
8386	schaersvoo	5377
11806	schaersvoo	5378	case XYOFFSET:
7614	schaersvoo	5379	/*
11806	schaersvoo	5380	@ xyoffset
		5381	@ keyword ; to place the text (x:y) to (x+dx:y+dy)... dx/dy are dependent on fontsize/fontfamily
13829	bpr	5382	@ may be used for points or other things requiring labels
12063	schaersvoo	5383	@ use <a href="#fontfamily">fontfamily</a> for setting the font
11806	schaersvoo	5384	@ only active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-librariy
14071	bpr	5385	@ in case of inputfields the inputfield will be centered x and y on its coordinates.<br />for example:<br />inputs 1,1,10,? <br />point 1,1,red <br /> the point will be completely invisible<br />note: keyword ''xyoffset`` will also provide centering if used with <a href='#@userdraw'>input(s),color</a>
12107	schaersvoo	5386	@%xyoffset%size 400,400%xrange -10,10%yrange -10,10%fontfamily 12pt Ariel%string blue,-9,-9,no offset%point -9,-9,red%centered%string blue,-6,-6,centered%point -6,-6,red%xoffset%string blue,-3,-3,xoffset%point -3,-3,red%yoffset%string blue,0,0,yoffset%point 0,0,red%xyoffset%string blue,3,3,xyoffset%point 3,3,red%resetoffset%string blue,6,6,resetoffset%point 6,6,red
7614	schaersvoo	5387	*/
12063	schaersvoo	5388	use_offset = 3;
11806	schaersvoo	5389	break;
8386	schaersvoo	5390
7996	schaersvoo	5391	case XUNIT:
		5392	/*
		5393	@ xunit some_unit_for_x-values
		5394	@ unicode allowed (no html code)
12007	schaersvoo	5395	@ use together with command <a href='#display'>display or mouse</a>
14071	bpr	5396	@ will display the cursor x-coordinate in ''unit``
12107	schaersvoo	5397	@%xunit%size 400,400%xrange -10,10%yrange -10,10%xunit cm \\u00B2%grid 2,2,grey%linewidth 2%userdraw segments,blue%display x,blue,18
7996	schaersvoo	5398	*/
		5399	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		5400	break;
11806	schaersvoo	5401
		5402	case XLABEL:
7996	schaersvoo	5403	/*
11806	schaersvoo	5404	@ xlabel some_string
		5405	@ will be used to create a label for the x-axis (label is in quadrant I)
14071	bpr	5406	@ can only be used together with command ''grid``<br />not depending on keywords ''axis`` and ''axisnumbering``
14086	bpr	5407	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)<br />use command ''fontsize`` to adjust.<br />(command ''fontfamily`` is not active for this command)
14071	bpr	5408	@ see <a href=''z#ylabel'>ylabel</a>
12107	schaersvoo	5409	@%xlabel%size 400,400%xrange -10,10%yrange -10,10%axis%axisnumbering%xlabel cm\u00B2 %ylabel v\u00B2 %precision 1%grid 2,2,grey,2,2,5,grey
7996	schaersvoo	5410	*/
11806	schaersvoo	5411	temp = get_string(infile,1);
		5412	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7996	schaersvoo	5413	break;
8071	schaersvoo	5414
11806	schaersvoo	5415	case XLOGBASE:
7991	schaersvoo	5416	/*
11806	schaersvoo	5417	@ xlogbase number
		5418	@ sets the logbase number for the x-axis
		5419	@ default value 10
		5420	@ use together with commands xlogscale / xylogscale
7991	schaersvoo	5421	*/
11806	schaersvoo	5422	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7991	schaersvoo	5423	break;
		5424
11806	schaersvoo	5425	case XLOGSCALE:
7614	schaersvoo	5426	/*
11806	schaersvoo	5427	@ xlogscale ymajor,yminor,majorcolor,minorcolor
14071	bpr	5428	@ the x/y-range are set using commands <code>xrange xmin,xmax</code> and <code>yrange ymin,ymax</code>
11806	schaersvoo	5429	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
14071	bpr	5430	@ the linewidth is set using command ''linewidth int``
14066	bpr	5431	@ the opacity of major / minor grid lines is set by command <a href='#opacity'>opacity</a>
14078	bpr	5432	@ default logbase number = 10 ... when needed, set the logbase number with command ``xlogbase number``
14071	bpr	5433	@ the x/y- axis numbering is triggered by keyword ''axisnumbering``<ul><li>use command ''precision`` before ''xlogscale`` command to set the precision (decimals) of the axis numbering</li><li>use commands ''xlabel some_text`` and/or ''ylabel some_text`` for text on axis: use command ''fontsize int`` to set the fontsize (default 12px)</li><li>use command ''fontfamily fnt_family_string`` to set the fonts for axis-numbering</li><li>use command ''fontcolor`` to set the colour</li></ul>
		5434	@ note: the complete canvas will be used for the ''log paper``
11806	schaersvoo	5435	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
14071	bpr	5436	@ note: command ''mouse color,fontsize`` will show the real values in the logpaper.<br />\
		5437	@ note: when using something like ''xrange 0.0001,0.01``...combined with commands <a href='#mouse'>mouse</a> and/or <a href='#userdraw'>userdraw</a>...<br /> make sure the <a href='#precision'>precision</a> is set accordingly
14078	bpr	5438	@ note: in case of userdraw, the use of keyword <a href='#userinput_xy'>userinput_xy</a> may be handy !
14071	bpr	5439	@ <b>attention</b>: keyword ''snaptogrid`` may not lead to the desired result...
12107	schaersvoo	5440	@%xlogscale%size 400,400%xrange 10,50000%yrange -5,5%xlabel x-axis%ylabel y-axis%xlogscale 10,1,black,grey%display x,red,22
7614	schaersvoo	5441	*/
11972	schaersvoo	5442	use_axis_numbering++;if(use_axis_numbering > 1){use_axis_numbering = 1;}
11806	schaersvoo	5443	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		5444	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		5445	for(i=0;i<4;i++){
7614	schaersvoo	5446	switch(i){
11806	schaersvoo	5447	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		5448	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		5449	case 2: stroke_color = get_color(infile,0); break;
		5450	case 3: fill_color = get_color(infile,1);
14208	schaersvoo	5451	string_length = 1 + snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
		5452	tmp_buffer = my_newmem(string_length);
11806	schaersvoo	5453	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
		5454	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		5455	add_to_buffer(tmp_buffer);
		5456	break;
7614	schaersvoo	5457	default:break;
		5458	}
		5459	}
		5460	break;
11806	schaersvoo	5461
		5462	case XYLOGSCALE:
7614	schaersvoo	5463	/*
11806	schaersvoo	5464	@ xylogscale majorcolor,minorcolor
14071	bpr	5465	@ the x/y-range are set using commands ''xrange xmin,xmax`` and ''yrange ymin,ymax``
		5466	@ the linewidth is set using command ''linewidth int``
		5467	@ the opacity of major / minor grid lines is set by command ''opacity [0-255],[0-255]``
14078	bpr	5468	@ default logbase number = 10 ... when needed, set the logbase number with command ''xlogbase number`` and/or ''ylogbase number``
14071	bpr	5469	@ the x/y- axis numbering is triggered by keyword ''axisnumbering``<ul><li>use commands ''xlabel some_text`` and/or ''ylabel some_text`` for text on axis: use command ''fontsize int`` to set the fontsize (default 12px)</li><li>use command ''fontfamily fnt_family_string`` to set the fonts for axis-numbering</li><li>use command ''fontcolor`` to set the colour</li></ul>
		5470	@ note: the complete canvas will be used for the ''log paper``
11806	schaersvoo	5471	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
14071	bpr	5472	@ note: command ''mouse color,fontsize`` will show the real values in the logpaper.<br />\
		5473	@ note: when using something like ''yrange 0.0001,0.01``...combined with commands ''mouse color,fontsize`` and/or ''userdraw type,color``...<br /> make sure the precision is set accordingly (eg command ''precision 10000``)
14078	bpr	5474	@ note: in case of userdraw, the use of keyword ''userinput_xy`` may be handy !
14071	bpr	5475	@ <b>attention</b>: keyword ''snaptogrid`` may not lead to the desired result...
13829	bpr	5476	@%xylogscale%size 400,400%xrange 10,50000%yrange 10,50000%xlabel x-axis%ylabel y-axis%xylogscale black,grey%display xy,red,22
7614	schaersvoo	5477	*/
11972	schaersvoo	5478	use_axis_numbering++;if(use_axis_numbering > 1){use_axis_numbering = 1;}
11806	schaersvoo	5479	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		5480	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		5481	for(i=0;i<2;i++){
7614	schaersvoo	5482	switch(i){
11806	schaersvoo	5483	case 0: stroke_color = get_color(infile,0); break;
		5484	case 1: fill_color = get_color(infile,1);
14208	schaersvoo	5485	string_length = 1 + snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
		5486	tmp_buffer = my_newmem(string_length);
11806	schaersvoo	5487	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
		5488	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		5489	add_to_buffer(tmp_buffer);
		5490	break;
7614	schaersvoo	5491	default:break;
		5492	}
		5493	}
		5494	break;
11806	schaersvoo	5495
		5496
		5497	case Y_AXIS_STRINGS:
7647	schaersvoo	5498	/*
11806	schaersvoo	5499	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
14071	bpr	5500	@ alternative: <code>yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n</code>
14086	bpr	5501	@ use command ''fontcolor``, ''fontfamily`` to adjust font <br />defaults: black,12,Ariel<br /> note: command ''fontsize`` is not active for this command.(''fontsize`` can be used for the <a href="#legend">legend</a> in a <a href="#grid">grid</a>)
11806	schaersvoo	5502	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
13936	bpr	5503	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="#grid">grid</a>
14071	bpr	5504	@ use these y-axis num1...num_n values instead of default ymin...ymax
11806	schaersvoo	5505	@ a javascript error message will flag non-matching value:name pairs
		5506	@ to be used before command grid (see <a href="#grid">command grid</a>)
12107	schaersvoo	5507	@%yaxistext%size 400,400%yrange 0,13%xrange -100,500%axis%yaxis 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december%#'ymajor' steps should be synchronised with numbers eg. "1" in this example%grid 100,1,grey,4,1,6,grey
7647	schaersvoo	5508	*/
11806	schaersvoo	5509	temp = get_string(infile,1);
		5510	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		5511	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		5512	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
11891	schaersvoo	5513	use_axis_numbering++;
11806	schaersvoo	5514	break;
		5515
		5516
		5517	case YERRORBARS:
7614	schaersvoo	5518	/*
11806	schaersvoo	5519	@ yerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		5520	@ draw multiple points with y-errorbars E1 (error value under point) and E2 (error value above point) at given coordinates in color 'color'
		5521	@ the errors E1 and E2 values are in yrange.
14071	bpr	5522	@ use command ''linewidth int`` to adust size
11806	schaersvoo	5523	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
12107	schaersvoo	5524	@%yerrorbars%size 400,400%xrange -10,10%yrange -10,10%linewidth 2%onclick%yerrorbars red,0.8,1.3,0,0,1,1,2,3,3,2,4,5,5,2,6,1,-1,-2,-2,0,-3,2,-4,4,-5,-1
7614	schaersvoo	5525	*/
11806	schaersvoo	5526	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		5527	fill_color = stroke_color;
11772	schaersvoo	5528	i=0;
		5529	while( ! done ){ /* get next item until EOL*/
11997	schaersvoo	5530	if(i > MAX_INT - 1){canvas_error("too many points in argument: repeat command multiple times to fit");}
11772	schaersvoo	5531	if(i%2 == 0 ){
		5532	double_data[i] = get_real(infile,0); /* x */
		5533	}
		5534	else
		5535	{
		5536	double_data[i] = get_real(infile,1); /* y */
		5537	}
		5538	i++;
		5539	}
11806	schaersvoo	5540	for(c = 2 ; c < i-1 ; c = c+2){
14208	schaersvoo	5541	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,19,[%.f],[%.f],[%.2f],[%.2f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%s,%s,%d,%d));\n",drag_type,click_cnt,onclick,use_snap,decimals,double_data[c],decimals,double_data[c+1],double_data[0],double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,current_sliders,rotation_center,use_offset,use_pattern);
11806	schaersvoo	5542	/* click_cnt++; */
14208	schaersvoo	5543	if(onclick > 0 \|\| slider_cnt > 0){click_cnt++;}
8083	schaersvoo	5544	}
11806	schaersvoo	5545	decimals = find_number_of_digits(precision);
8083	schaersvoo	5546	reset();
11806	schaersvoo	5547	break;
11811	schaersvoo	5548	case YOFFSET:
		5549	/*
		5550	@ yoffset
14162	bpr	5551	@ keyword; to place the text centered above the text coordinates(x:y) ...
13829	bpr	5552	@ may be used for points or other things requiring centered labels
12063	schaersvoo	5553	@ use <a href="#fontfamily">fontfamily</a> for setting the font
		5554	@ may be active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-library)
12107	schaersvoo	5555	@%yoffset%size 400,400%xrange -10,10%yrange -10,10%fontfamily 12pt Ariel%string blue,-9,-9,no offset%point -9,-9,red%centered%string blue,-6,-6,centered%point -6,-6,red%xoffset%string blue,-3,-3,xoffset%point -3,-3,red%yoffset%string blue,0,0,yoffset%point 0,0,red%xyoffset%string blue,3,3,xyoffset%point 3,3,red%resetoffset%string blue,6,6,resetoffset%point 6,6,red
11811	schaersvoo	5556	*/
12063	schaersvoo	5557	use_offset = 1;
11811	schaersvoo	5558	break;
		5559
11806	schaersvoo	5560	case YRANGE:
7614	schaersvoo	5561	/*
11806	schaersvoo	5562	@ yrange ymin,ymax
14071	bpr	5563	@ alternative: <code>rangey</code>
11806	schaersvoo	5564	@ if not given 0,ysize (eg in pixels)
7614	schaersvoo	5565	*/
11806	schaersvoo	5566	for(i = 0 ; i<2; i++){
7614	schaersvoo	5567	switch(i){
11806	schaersvoo	5568	case 0: ymin = get_real(infile,0);break;
		5569	case 1: ymax = get_real(infile,1);break;
		5570	default: break;
7614	schaersvoo	5571	}
		5572	}
14066	bpr	5573	if(ymin >= ymax){canvas_error(" yrange is not OK: ymin < ymax !\n");}
11806	schaersvoo	5574	fprintf(js_include_file,"var ymin = %f;var ymax = %f;\n",ymin,ymax);
		5575	found_size_command++;
		5576	break;
		5577
		5578	case YSNAPTOGRID:
7614	schaersvoo	5579	/*
11806	schaersvoo	5580	@ ysnaptogrid
		5581	@ keyword (no arguments required)
14162	bpr	5582	@ a draggable object (use command ''drag x\|y\|xy``) will snap to the given y-grid values when dragged (mouseup)
11806	schaersvoo	5583	@ in case of userdraw the drawn points will snap to ymajor grid
14078	bpr	5584	@ if no grid is defined, points will snap to every integer yrange value. (eg snap_y=1)
14071	bpr	5585	@ if you do not want a visible grid, but you only want a ''snaptogrid`` with some value...define this grid with opacity 0.
		5586	@ if yminor is defined (use keyword ''axis`` to activate yminor), the drawing will snap to yminor <br />use only even dividers in y-minor...for example<br /><code>ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red</code><br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
13959	bpr	5587	@%ysnaptogrid_1%size 400,400%xrange -10,10%yrange -10,10%ysnaptogrid%grid 1,1,grey%linewidth 2%userdraw crosshairs,blue%inputstyle font-size:8px;color:blue%clearbutton delete all crosshairs
		5588	@%ysnaptogrid_2%size 400,400%xrange -10,10%yrange -10,10%ysnaptogrid%grid 1,1,grey%linewidth 3%drag y%points red,0,0,0,0,0,0,0,0,0,0
7614	schaersvoo	5589	*/
14038	schaersvoo	5590	use_snap = 3;
7614	schaersvoo	5591	break;
11080	schaersvoo	5592
7614	schaersvoo	5593	case YLABEL:
		5594	/*
		5595	@ ylabel some_string
8224	bpr	5596	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
14071	bpr	5597	@ can only be used together with command <a href="#grid">grid</a><br />not depending on keywords ''axis`` and ''axisnumbering``
14086	bpr	5598	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)<br />use command ''fontsize`` to adjust (command ''fontsize`` is not active for this command)
12107	schaersvoo	5599	@%ylabel%size 400,400%xrange -10,10%yrange -10,10%fontsize 8%axis%axisnumbering%precision 1%xlabel x-axis%ylabel y-axis%grid 1,1,grey,2,2,2,red
7614	schaersvoo	5600	*/
		5601	temp = get_string(infile,1);
7653	schaersvoo	5602	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	5603	break;
7735	schaersvoo	5604	case YLOGBASE:
		5605	/*
		5606	@ ylogbase number
		5607	@ sets the logbase number for the y-axis
		5608	@ default value 10
		5609	@ use together with commands ylogscale / xylogscale
		5610	*/
		5611	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		5612	break;
7614	schaersvoo	5613	case YLOGSCALE:
7729	schaersvoo	5614	/*
		5615	@ ylogscale xmajor,xminor,majorcolor,minorcolor
14071	bpr	5616	@ the x/y-range are set using commands ''xrange xmin,xmax`` and ''yrange ymin,ymax``
7729	schaersvoo	5617	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
14071	bpr	5618	@ the linewidth is set using command ''linewidth int``
		5619	@ the opacity of major / minor grid lines is set by command ''opacity [0-255],[0-255]``
14078	bpr	5620	@ default logbase number = 10 ... when needed, set the logbase number with command ''ylogbase number``
14071	bpr	5621	@ the x/y- axis numbering is triggered by keyword ''axisnumbering``<ul><li>use command ''precision`` before ''ylogscale`` command to set the precision (decimals) of the axis numbering</li><li>use commands ''xlabel some_text`` and/or ''ylabel some_text`` for text on axis: use command ''fontsize int`` to set the fontsize (default 12px)</li><li>use command ''fontfamily fnt_family_string`` to set the fonts for axis-numbering</li><li>use command ''fontcolor`` to set the color</li></ul>
		5622	@ note: the complete canvas will be used for the ''log paper``
11088	schaersvoo	5623	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
14071	bpr	5624	@ note: command ''mouse color,fontsize`` will show the real values in the logpaper.<br />\
		5625	@ note: when using something like ''yrange 0.0001,0.01``...combined with commands ''mouse color,fontsize`` and/or ''userdraw type,color``...<br /> make sure the precision is set accordingly (eg command ''precision 10000``)
14078	bpr	5626	@ note: in case of userdraw, the use of keyword ''userinput_xy`` may be handy !
14071	bpr	5627	@ <b>attention</b>: keyword ''snaptogrid`` may not lead to the desired result...
7729	schaersvoo	5628	*/
11972	schaersvoo	5629	use_axis_numbering++;if(use_axis_numbering > 1){use_axis_numbering = 1;}
7729	schaersvoo	5630	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		5631	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		5632	for(i=0;i<4;i++){
		5633	switch(i){
		5634	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		5635	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		5636	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	5637	case 3: fill_color = get_color(infile,1);
14208	schaersvoo	5638	string_length = 1 + snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
		5639	tmp_buffer = my_newmem(string_length);
7779	schaersvoo	5640	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	5641	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	5642	add_to_buffer(tmp_buffer);
		5643	break;
		5644	default:break;
		5645	}
		5646	}
7614	schaersvoo	5647	break;
11806	schaersvoo	5648
		5649	case YUNIT:
7735	schaersvoo	5650	/*
11806	schaersvoo	5651	@ yunit some_unit_for_y-values
		5652	@ unicode allowed (no html code)
		5653	@ use together with command mousey
14071	bpr	5654	@ will display the cursor y-coordinate in ''unit``
7735	schaersvoo	5655	*/
11806	schaersvoo	5656	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		5657	break;
		5658
		5659	case ZOOM:
		5660	/*
		5661	@ zoom button_color
14071	bpr	5662	@ introduce a very small ''controlpanel`` at the lower right corner
		5663	@ giving six 15×15px ''active`` rectangle areas<br />(for ×,leftarrow,rightarrow,uparrow,downarrow and a ''-`` and a ''+`` sign ) for zooming and/or panning of the image
		5664	@ the ''x`` symbol will do a <code>location.reload</code> of the page, and thus reset all canvas drawings.
14247	bpr	5665	@ choose an appropriate color, so the small ''x,arrows,-,+`` are clearly visible
14071	bpr	5666	@ command ''opacity`` may be used to set stroke_opacity of buttons
		5667	@ note: use command ''zoom`` at the end of your script code (the same is true for command ''mouse``)
11806	schaersvoo	5668	@ note: only objects that may be set draggable / clickable will be zoomed / panned
14071	bpr	5669	@ note: when an object is dragged, zooming / panning will cause the coordinates to be reset to the original position: e.g. dragging / panning will get lost. (array with ''drag data`` is erased). This is a design flaw and not a feature !!
11806	schaersvoo	5670	*/
		5671	fprintf(js_include_file,"use_pan_and_zoom = 1;");
		5672	use_pan_and_zoom = TRUE;
		5673	stroke_color = get_color(infile,1);
		5674	/* we use BG_CANVAS (0) */
		5675	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
		5676	done = TRUE;
		5677	break;
		5678
		5679	/* ready */
7614	schaersvoo	5680	default:sync_input(infile);
		5681	break;
		5682	}
8224	bpr	5683	}
7614	schaersvoo	5684	/* we are done parsing script file */
14066	bpr	5685	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize: Quadrant I */
7983	schaersvoo	5686	if( found_size_command == 1 ){
		5687	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		5688	}
		5689	else
		5690	{
		5691	if( found_size_command != 3 ){
8222	schaersvoo	5692	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	5693	}
		5694	}
8257	schaersvoo	5695
14066	bpr	5696	/* if needed, add generic draw functions (grid / xml etc) to buffer: these are no draggable/clickable shapes / objects ! */
11021	schaersvoo	5697	add_javascript_function(js_function,canvas_root_id);
7614	schaersvoo	5698	/* add read_canvas() etc functions if needed */
8257	schaersvoo	5699	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	5700	if( use_pan_and_zoom == TRUE ){
		5701	/* in case of zooming ... */
13970	obado	5702	fprintf(js_include_file,"\n/* some extra global stuff : need to rethink panning and zooming !!! */\n\
7797	schaersvoo	5703	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	5704	var ymin_start=ymin;var ymax_start=xmax;\
		5705	var zoom_x_increment=0;var zoom_y_increment=0;\
		5706	var pan_x_increment=0;var pan_y_increment=0;\
		5707	if(use_ylogscale == 0 ){\
7956	schaersvoo	5708	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (ymax - ymin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
7729	schaersvoo	5709	}else{\
		5710	zoom_x_increment = (xmax - xmin)/20;\
		5711	pan_x_increment = (xmax - xmin)/20;\
		5712	};\
9406	schaersvoo	5713	var zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	5714	function start_canvas%d(type){\
9406	schaersvoo	5715	zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	5716	switch(type){\
7729	schaersvoo	5717	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		5718	case 1:xmin = xmin - zoom_x_increment;ymin = ymin - zoom_y_increment;xmax = xmax + zoom_x_increment;ymax = ymax + zoom_y_increment;break;\
7653	schaersvoo	5719	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		5720	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		5721	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		5722	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
11004	schaersvoo	5723	case 6:xmin = xmin_start; xmax = xmax_start;ymin = ymin_start;ymax = ymax_start;break;\
7653	schaersvoo	5724	default:break;\
		5725	};\
		5726	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		5727	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
9406	schaersvoo	5728	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){};\
11088	schaersvoo	5729	if(typeof(redraw_all%d) === 'function' ){redraw_all%d(zoom_xy);}\
9406	schaersvoo	5730	%s ;\
7653	schaersvoo	5731	};\
7797	schaersvoo	5732	start_canvas%d(333);\
9438	schaersvoo	5733	};\
13970	obado	5734	\n/* end wims_canvas_function */\n\
9406	schaersvoo	5735	wims_canvas_function%d();\n",precision,canvas_root_id,canvas_root_id,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7797	schaersvoo	5736	}
		5737	else
		5738	{
		5739	/* no zoom, just add buffer */
13970	obado	5740	fprintf(js_include_file,"\n/* add buffer */\n\
7797	schaersvoo	5741	%s\
		5742	};\n\
13970	obado	5743	/* end wims_canvas_function */\n\
7797	schaersvoo	5744	wims_canvas_function%d();\n",buffer,canvas_root_id);
		5745	}
7614	schaersvoo	5746	/* done writing the javascript include file */
		5747	fclose(js_include_file);
		5748
		5749	}
		5750
		5751	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
9329	schaersvoo	5752	if( use_tooltip > 0 ){
		5753	if( use_tooltip == 1 ){
		5754	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		5755	}
		5756	else
		5757	{
		5758	if( use_tooltip == 2 ){
		5759	add_js_popup(canvas_root_id,xsize,ysize,getfile_cmd);
		5760	}
		5761	}
		5762	}
7614	schaersvoo	5763	exit(EXIT_SUCCESS);
		5764	}
		5765	/* end main() */
		5766
		5767	/******************************************************************************
		5768	**
		5769	** sync_input
		5770	**
		5771	** synchronises input line - reads to end of line, leaving file pointer
		5772	** at first character of next line.
		5773	**
		5774	** Used by:
		5775	** main program - error handling.
		5776	**
		5777	******************************************************************************/
		5778	void sync_input(FILE *infile)
		5779	{
		5780	int c = 0;
		5781
7658	schaersvoo	5782	if( c == '\n' \|\| c == ';' ) return;
		5783	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	5784	if( c == EOF ) finished = 1;
7658	schaersvoo	5785	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	5786	return;
		5787	}
		5788
		5789	/******************************************************************************/
		5790
		5791	char str_replace(const char str, const char old, const char new){
		5792	/* http://creativeandcritical.net/str-replace-c/ */
		5793	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		5794	char ret, r;
		5795	const char p, q;
		5796	size_t oldlen = strlen(old);
		5797	size_t count = 0;
		5798	size_t retlen = 0;
		5799	size_t newlen = strlen(new);
		5800	if (oldlen != newlen){
		5801	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		5802	count++;
		5803	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		5804	}
8224	bpr	5805	}
7614	schaersvoo	5806	else
		5807	{
		5808	retlen = strlen(str);
		5809	}
8224	bpr	5810
7614	schaersvoo	5811	if ((ret = malloc(retlen + 1)) == NULL){
		5812	ret = NULL;
		5813	canvas_error("string argument is NULL");
		5814	}
		5815	else
		5816	{
		5817	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		5818	size_t l = q - p;
		5819	memcpy(r, p, l);
		5820	r += l;
		5821	memcpy(r, new, newlen);
		5822	r += newlen;
		5823	}
		5824	strcpy(r, p);
		5825	}
		5826	return ret;
		5827	}
		5828
		5829	/******************************************************************************/
7848	bpr	5830
7614	schaersvoo	5831	char get_color(FILE infile , int last){
		5832	int c,i = 0,is_hex = 0;
		5833	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	5834	const char *not_allowed = "0123456789";
10891	schaersvoo	5835	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) && ( c != '\t' ) ){
7614	schaersvoo	5836	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		5837	if( c == '#' ){
		5838	is_hex = 1;
		5839	}
		5840	if( c != ' '){
8304	schaersvoo	5841	if( is_hex == 0 ){if(strchr(not_allowed,c) != 0){canvas_error("found something like a number...but is should have been a colour or #hex color number...<br />Do not use R,G,B !!! ");}}
7614	schaersvoo	5842	temp[i]=tolower(c);
		5843	i++;
		5844	}
		5845	}
10891	schaersvoo	5846	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5847	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5848	if( c == EOF ){finished = 1;}
		5849	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		5850	temp[i]='\0';
		5851	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		5852	if( is_hex == 1 ){
		5853	char red[3], green[3], blue[3];
		5854	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		5855	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		5856	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		5857	int r = (int) strtol(red, NULL, 16);
		5858	int g = (int) strtol(green, NULL, 16);
		5859	int b = (int) strtol(blue, NULL, 16);
		5860	string = (char *)my_newmem(12);
		5861	snprintf(string,11,"%d,%d,%d",r,g,b);
		5862	return string;
		5863	}
		5864	else
		5865	{
		5866	string = (char *)my_newmem(sizeof(temp));
		5867	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	5868	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	5869	if( strcmp( colors[i].name , string ) == 0 ){
		5870	return colors[i].rgb;
		5871	}
		5872	}
8304	schaersvoo	5873	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	5874	}
8304	schaersvoo	5875	return "0,0,255";
7614	schaersvoo	5876	}
		5877
14066	bpr	5878	char get_string(FILE infile,int last){ /* last = 0: more arguments ; last=1 final argument */
7614	schaersvoo	5879	int c,i=0;
		5880	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5881	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') ){
7614	schaersvoo	5882	temp[i]=c;
		5883	i++;
		5884	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		5885	}
10891	schaersvoo	5886	if( ( c == '\n' \|\| c == '\t' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		5887	if( c == '\n' \|\| c == '\t') { done = TRUE; line_number++; }
11022	schaersvoo	5888	if( c == EOF ) {finished = 1;}
7614	schaersvoo	5889	temp[i]='\0';
11022	schaersvoo	5890	if( strlen(temp) == 0 && last != 3 ){ canvas_error("expected a word or string, but found nothing !!");}
7614	schaersvoo	5891	string=(char *)my_newmem(strlen(temp));
		5892	snprintf(string,sizeof(temp),"%s",temp);
		5893	return string;
		5894	}
		5895
14066	bpr	5896	char get_string_argument(FILE infile,int last){ /* last = 0: more arguments ; last=1 final argument */
7614	schaersvoo	5897	int c,i=0;
		5898	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5899	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') && ( c != ',')){
7614	schaersvoo	5900	temp[i]=c;
		5901	i++;
		5902	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		5903	}
8224	bpr	5904	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
10891	schaersvoo	5905	if( c == '\n' \|\| c == '\t' ) { line_number++; }
7614	schaersvoo	5906	if( c == EOF ) {finished = 1;}
9478	schaersvoo	5907	if( finished == 1 && last == 0 ){ canvas_error("expected more arguments");}
7614	schaersvoo	5908	temp[i]='\0';
10953	bpr	5909	/*
8322	schaersvoo	5910	17.10.2014 removed (question Perrin)
		5911	may cause some unwanted effects...
14078	bpr	5912	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma), but found nothing !!");}
8322	schaersvoo	5913	*/
7614	schaersvoo	5914	string=(char *)my_newmem(sizeof(temp));
		5915	snprintf(string,sizeof(temp),"%s",temp);
		5916	done = TRUE;
		5917	return string;
		5918	}
		5919
14066	bpr	5920	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0: more arguments ; last=1 final argument */
7614	schaersvoo	5921	int c,i=0,found_calc = 0;
		5922	double y;
		5923	char tmp[MAX_INT];
10953	bpr	5924	/*
14066	bpr	5925	these things are 'allowed functions': *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
8383	schaersvoo	5926	but there should be a better way to avoid segfaults !
8348	schaersvoo	5927	*/
		5928	const char allowed = "earcostanpilogqb+-/^()";/* assuming these are allowed stuff in a 'number'*/
		5929	const char not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/ avoid segmentation faults in a "atof()" and "wims eval" */
10891	schaersvoo	5930	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && (c != '\t') && ( c != ';')){
7614	schaersvoo	5931	if( c != ' ' ){
8224	bpr	5932	if( i == 0 && c == '+' ){
7614	schaersvoo	5933	continue;
8224	bpr	5934	}
7614	schaersvoo	5935	else
		5936	{
8304	schaersvoo	5937	c = tolower(c);
		5938	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		5939	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	5940	tmp[i] = c;
		5941	i++;
		5942	}
		5943	}
		5944	if( i > MAX_INT - 1){canvas_error("number too large");}
		5945	}
10891	schaersvoo	5946	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5947	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5948	if( c == EOF ){done = TRUE ; finished = 1;}
		5949	tmp[i]='\0';
		5950	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	5951	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	5952	void *f = eval_create(tmp);
7614	schaersvoo	5953	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	5954	y = eval_x(f, 1);
14066	bpr	5955	/* if function is bogus; y = 1: so no core dumps */
7848	bpr	5956	eval_destroy(f);
7614	schaersvoo	5957	}
		5958	else
		5959	{
		5960	y = atof(tmp);
		5961	}
		5962	return y;
		5963	}
8304	schaersvoo	5964
13829	bpr	5965
7614	schaersvoo	5966	void canvas_error(char *msg){
14066	bpr	5967	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d: %s</span><hr />",line_number,msg);
7614	schaersvoo	5968	finished = 1;
		5969	exit(EXIT_SUCCESS);
		5970	}
		5971
		5972
		5973	/* convert x/y coordinates to pixel */
		5974	int x2px(double x){
		5975	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		5976	}
		5977
		5978	int y2px(double y){
		5979	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		5980	}
		5981
		5982	double px2x(int x){
		5983	return (x*(xmax - xmin)/xsize + xmin);
		5984	}
		5985	double px2y(int y){
		5986	return (y*(ymax - ymin)/ysize + ymin);
		5987	}
		5988
		5989	void add_to_buffer(char *tmp){
		5990	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		5991	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		5992	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		5993	if( space_left > strlen(tmp)){
		5994	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		5995	}
		5996	else
		5997	{
		5998	canvas_error("buffer is too big\n");
		5999	}
		6000	tmp = NULL;free(tmp);
		6001	return;
		6002	}
		6003
		6004	void reset(){
14038	schaersvoo	6005	use_filled = FALSE;
		6006	use_dashed = FALSE;
		6007	use_rotate = FALSE;
8379	schaersvoo	6008	onclick = 0;
7614	schaersvoo	6009	}
		6010
		6011
		6012
		6013	/* What reply format in read_canvas();
		6014
14247	bpr	6015	note: if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
7614	schaersvoo	6016	1 = x1,x2,x3,x4....x_n
		6017	y1,y2,y3,y4....y_n
		6018
		6019	x/y in pixels
		6020
		6021	2 = x1,x2,x3,x4....x_n
		6022	y1,y2,y3,y4....y_n
14162	bpr	6023	x/y in xrange / yrange coordinate system
7614	schaersvoo	6024
		6025	3 = x1,x2,x3,x4....x_n
		6026	y1,y2,y3,y4....y_n
		6027	r1,r2,r3,r4....r_n
		6028
8224	bpr	6029	x/y in pixels
7614	schaersvoo	6030	r in pixels
		6031
		6032	4 = x1,x2,x3,x4....x_n
		6033	y1,y2,y3,y4....y_n
		6034	r1,r2,r3,r4....r_n
		6035
14162	bpr	6036	x/y in xrange / yrange coordinate system
7614	schaersvoo	6037	r in pixels
		6038
		6039	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		6040	Ay1,Ay2,Ay3,Ay4....Ay_n
		6041	Bx1,Bx2,Bx3,Bx4....Bx_n
		6042	By1,By2,By3,By4....By_n
		6043	Cx1,Cx2,Cx3,Cx4....Cx_n
		6044	Cy1,Cy2,Cy3,Cy4....Cy_n
		6045	....
		6046	Zx1,Zx2,Zx3,Zx4....Zx_n
		6047	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	6048
7614	schaersvoo	6049	x/y in pixels
		6050
		6051	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		6052	Ay1,Ay2,Ay3,Ay4....Ay_n
		6053	Bx1,Bx2,Bx3,Bx4....Bx_n
		6054	By1,By2,By3,By4....By_n
		6055	Cx1,Cx2,Cx3,Cx4....Cx_n
		6056	Cy1,Cy2,Cy3,Cy4....Cy_n
		6057	....
		6058	Zx1,Zx2,Zx3,Zx4....Zx_n
		6059	Zy1,Zy2,Zy3,Zy4....Zy_n
		6060
14162	bpr	6061	x/y in xrange / yrange coordinate system
8224	bpr	6062
7614	schaersvoo	6063	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	6064
7614	schaersvoo	6065	x/y in pixels
		6066
		6067	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	6068
14162	bpr	6069	x/y in xrange / yrange coordinate system
7614	schaersvoo	6070
8224	bpr	6071	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	6072
		6073	x/y in pixels
		6074
14044	schaersvoo	6075	10 = x1 ; y1 ;r1 \n x2;y2;r2 \n x3;y3;r3 \n ...x_n:y_n:r_n \n
7614	schaersvoo	6076
14162	bpr	6077	x/y in xrange / yrange coordinate system
14044	schaersvoo	6078	r is userdraw_radius
7614	schaersvoo	6079
		6080	11 = Ax1,Ay1,Ax2,Ay2
		6081	Bx1,By1,Bx2,By2
		6082	Cx1,Cy1,Cx2,Cy2
		6083	Dx1,Dy1,Dx2,Dy2
		6084	......
		6085	Zx1,Zy1,Zx2,Zy2
8224	bpr	6086
7614	schaersvoo	6087	x/y in xrange / yrange coordinate system
		6088
		6089	12 = Ax1,Ay1,Ax2,Ay2
		6090	Bx1,By1,Bx2,By2
		6091	Cx1,Cy1,Cx2,Cy2
		6092	Dx1,Dy1,Dx2,Dy2
		6093	......
		6094	Zx1,Zy1,Zx2,Zy2
8224	bpr	6095
7614	schaersvoo	6096	x/y in pixels
		6097
14078	bpr	6098	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ..., Zx1:Zy1:Zx2:Zy2
7614	schaersvoo	6099
14162	bpr	6100	x/y in xrange / yrange coordinate system
7614	schaersvoo	6101	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		6102	x/y in pixels
		6103	15 = reply from inputfields,textareas
		6104	reply1,reply2,reply3,...,reply_n
14071	bpr	6105	only fields set write (e.g. will not read readonly inputfield values.
7614	schaersvoo	6106
		6107	16 = read mathml inputfields only
		6108
11080	schaersvoo	6109	17 = read userdraw text only (x1,y1,text1\nx2,y2,text2..\n.x_n,y_n,text_n
14066	bpr	6110	when ready: calculate size_t of string via snprintf(NULL,0,"blah blah...");
7614	schaersvoo	6111
14066	bpr	6112	18 = read clock(s): H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
7614	schaersvoo	6113	19 = return clicked object number (analogue to shape-library onclick)
14071	bpr	6114	20 = return x/y-data in x-range/y-range of all ''draggable`` images
7614	schaersvoo	6115	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
14066	bpr	6116	22 = array: x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
14162	bpr	6117	x/y in xrange / yrange coordinate system
14071	bpr	6118	23 = answertype for a polyline: remove multiple occurences due to reclick on a point to create next polyline segment
		6119	24 = read all inputfield values: even those set <code>readonly</code>
8224	bpr	6120	25 = return all userdrawn arcs in degrees:
		6121	26 = return all userdrawn arcs in radians:
11080	schaersvoo	6122	27 = return (only) userdraw inputfields array: x1,y1,text1 \n x2,y2,text2...
8322	schaersvoo	6123	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
14162	bpr	6124	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
		6125	circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
14078	bpr	6126	will not return anything else (e.g. no inputfields, text etc)
14066	bpr	6127	29 = mulidraw read:
10953	bpr	6128
7614	schaersvoo	6129	*/
		6130
14066	bpr	6131	/*
		6132	SCHAERSVOORDE: replyformat 2,7,8,21,22,23,24
14044	schaersvoo	6133	USERDRAW DEFAULTS: 2,6,8,10,11,15,16,17,18,19,20,23,24,25,27,29,31
14066	bpr	6134	OEF: 22,23,28
14044	schaersvoo	6135	*/
8257	schaersvoo	6136	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
14038	schaersvoo	6137	/* just 1 reply type allowed...except for format 34 !!! */
8074	schaersvoo	6138	fprintf(js_include_file,"\
13970	obado	6139	\n/* begin set_reply_precision() */\n\
8074	schaersvoo	6140	function set_reply_precision(){\
		6141	var len = userdraw_x.length;\
		6142	var prec = %d;\
		6143	for(var p = 0 ; p < len ; p++ ){\
		6144	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		6145	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		6146	};\
		6147	len = userdraw_radius.length;\
		6148	if( len > 0 ){\
		6149	for(var p = 0 ; p < len ; p++ ){\
		6150	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		6151	};\
		6152	};\
		6153	};",reply_precision);
7963	schaersvoo	6154
7614	schaersvoo	6155	switch(type_reply){
8224	bpr	6156	/*
7614	schaersvoo	6157	answers may have:
		6158	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		6159	*/
		6160	case 1: fprintf(js_include_file,"\
13970	obado	6161	\n/* begin function 1 read_canvas%d() */\n\
8257	schaersvoo	6162	read_canvas%d = function(){\
7614	schaersvoo	6163	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	6164	set_reply_precision();\
7614	schaersvoo	6165	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6166	var p = 0;var input_reply = new Array();\
		6167	if( document.getElementById(\"canvas_input0\")){\
		6168	var t = 0;\
		6169	while(document.getElementById(\"canvas_input\"+t)){\
		6170	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6171	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6172	p++;\
		6173	};\
		6174	t++;\
		6175	};\
		6176	};\
11088	schaersvoo	6177	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6178	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		6179	}\
		6180	else\
		6181	{\
		6182	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		6183	}\
		6184	}\
		6185	else\
		6186	{\
11088	schaersvoo	6187	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6188	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		6189	}\
		6190	else\
		6191	{\
		6192	return userdraw_x+\"\\n\"+userdraw_y;\
		6193	}\
		6194	};\
8108	schaersvoo	6195	};\n\
13970	obado	6196	/* end function 1 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6197	break;
		6198	case 2: fprintf(js_include_file,"\
13970	obado	6199	\n/* begin function 2 read_canvas%d() */\n\
8257	schaersvoo	6200	read_canvas%d = function(){\
7614	schaersvoo	6201	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	6202	set_reply_precision();\
7614	schaersvoo	6203	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	6204	var prec = %d;\
7614	schaersvoo	6205	while(userdraw_x[p]){\
8074	schaersvoo	6206	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		6207	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	6208	p++;\
		6209	};\
11806	schaersvoo	6210	if(p == 0){return;};\
7614	schaersvoo	6211	if( document.getElementById(\"canvas_input0\")){\
		6212	var p = 0;var input_reply = new Array();\
		6213	if( document.getElementById(\"canvas_input0\")){\
		6214	var t = 0;\
		6215	while(document.getElementById(\"canvas_input\"+t)){\
		6216	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6217	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6218	p++;\
		6219	};\
		6220	t++;\
		6221	};\
		6222	};\
11088	schaersvoo	6223	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6224	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6225	}\
		6226	else\
		6227	{\
		6228	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		6229	}\
		6230	}\
		6231	else\
		6232	{\
11088	schaersvoo	6233	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6234	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		6235	}\
		6236	else\
		6237	{\
		6238	return reply_x+\"\\n\"+reply_y;\
		6239	};\
		6240	};\
8108	schaersvoo	6241	};\n\
13970	obado	6242	/* end function 2 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6243	break;
		6244	case 3: fprintf(js_include_file,"\
13970	obado	6245	\n/* begin function 3 read_canvas%d() */\n\
8257	schaersvoo	6246	read_canvas%d = function(){\
7614	schaersvoo	6247	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	6248	set_reply_precision();\
7614	schaersvoo	6249	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6250	var p = 0;var input_reply = new Array();\
		6251	if( document.getElementById(\"canvas_input0\")){\
		6252	var t = 0;\
		6253	while(document.getElementById(\"canvas_input\"+t)){\
		6254	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6255	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6256	p++;\
		6257	};\
		6258	t++;\
		6259	};\
		6260	};\
11088	schaersvoo	6261	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6262	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6263	}\
		6264	else\
		6265	{\
		6266	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		6267	}\
		6268	}\
		6269	else\
		6270	{\
11088	schaersvoo	6271	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6272	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		6273	}\
		6274	else\
		6275	{\
		6276	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		6277	}\
		6278	}\
8108	schaersvoo	6279	};\n\
13970	obado	6280	/* end function 3 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6281	break;
		6282	case 4: fprintf(js_include_file,"\
13970	obado	6283	\n/* begin function 4 read_canvas%d() */\n\
8257	schaersvoo	6284	read_canvas%d = function(){\
8074	schaersvoo	6285	var prec = %d;\
7614	schaersvoo	6286	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		6287	while(userdraw_x[p]){\
8074	schaersvoo	6288	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		6289	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	6290	p++;\
		6291	};\
11806	schaersvoo	6292	if(p == 0){return;};\
7614	schaersvoo	6293	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6294	var p = 0;var input_reply = new Array();\
		6295	if( document.getElementById(\"canvas_input0\")){\
		6296	var t = 0;\
		6297	while(document.getElementById(\"canvas_input\"+t)){\
		6298	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6299	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6300	p++;\
		6301	};\
		6302	t++;\
		6303	};\
		6304	};\
11088	schaersvoo	6305	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6306	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6307	}\
		6308	else\
		6309	{\
		6310	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		6311	}\
		6312	}\
		6313	else\
		6314	{\
11088	schaersvoo	6315	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6316	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		6317	}\
		6318	else\
		6319	{\
		6320	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		6321	}\
		6322	};\
8108	schaersvoo	6323	};\n\
13970	obado	6324	/* end function 4 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6325	break;
8224	bpr	6326	/*
14066	bpr	6327	attention: we reset userdraw_x / userdraw_y: because userdraw_x = [][] userdraw_y = [][]
8224	bpr	6328	used for userdraw multiple paths
7614	schaersvoo	6329	*/
		6330	case 5: fprintf(js_include_file,"\
13970	obado	6331	\n/* begin function 5 read_canvas%d() */\n\
8257	schaersvoo	6332	read_canvas%d = function(){\
8074	schaersvoo	6333	set_reply_precision();\
7614	schaersvoo	6334	var p = 0;\
		6335	var reply = \"\";\
		6336	for(p = 0; p < userdraw_x.length;p++){\
		6337	if(userdraw_x[p] != null ){\
		6338	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		6339	};\
		6340	};\
11806	schaersvoo	6341	if(p == 0){return;};\
7614	schaersvoo	6342	userdraw_x = [];userdraw_y = [];\
		6343	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6344	var p = 0;var input_reply = new Array();\
		6345	if( document.getElementById(\"canvas_input0\")){\
		6346	var t = 0;\
		6347	while(document.getElementById(\"canvas_input\"+t)){\
		6348	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6349	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6350	p++;\
		6351	};\
		6352	t++;\
		6353	};\
		6354	};\
11088	schaersvoo	6355	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6356	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6357	}\
		6358	else\
		6359	{\
		6360	return reply +\"\\n\"+input_reply;\
		6361	}\
		6362	}\
		6363	else\
		6364	{\
11088	schaersvoo	6365	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6366	return reply+\"\\n\"+userdraw_text;\
		6367	}\
		6368	else\
		6369	{\
		6370	return reply;\
		6371	}\
		6372	};\
8108	schaersvoo	6373	};\n\
13970	obado	6374	/* end function 5 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6375	break;
8224	bpr	6376	/*
14162	bpr	6377	attention: we reset userdraw_x / userdraw_y: because userdraw_x = [][] userdraw_y = [][]
8224	bpr	6378	used for userdraw multiple paths
7614	schaersvoo	6379	*/
		6380	case 6: fprintf(js_include_file,"\
13970	obado	6381	\n/* begin function 6 read_canvas%d() */\n\
8257	schaersvoo	6382	read_canvas%d = function(){\
7614	schaersvoo	6383	var p = 0;\
		6384	var reply = \"\";\
		6385	var tmp_x = new Array();\
		6386	var tmp_y = new Array();\
8074	schaersvoo	6387	var prec = %d;\
7614	schaersvoo	6388	for(p = 0 ; p < userdraw_x.length; p++){\
		6389	tmp_x = userdraw_x[p];\
		6390	tmp_y = userdraw_y[p];\
		6391	if(tmp_x != null){\
		6392	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	6393	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		6394	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	6395	};\
		6396	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		6397	};\
		6398	};\
11806	schaersvoo	6399	if(p == 0){return;};\
7614	schaersvoo	6400	userdraw_x = [];userdraw_y = [];\
		6401	if( document.getElementById(\"canvas_input0\") ){\
		6402	var p = 0;var input_reply = new Array();\
		6403	if( document.getElementById(\"canvas_input0\")){\
		6404	var t = 0;\
		6405	while(document.getElementById(\"canvas_input\"+t)){\
		6406	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6407	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6408	p++;\
		6409	};\
		6410	t++;\
		6411	};\
		6412	};\
11088	schaersvoo	6413	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6414	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6415	}\
		6416	else\
		6417	{\
		6418	return reply +\"\\n\"+input_reply;\
		6419	}\
		6420	}\
		6421	else\
		6422	{\
11088	schaersvoo	6423	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6424	return reply +\"\\n\"+userdraw_text;\
		6425	}\
		6426	else\
		6427	{\
		6428	return reply;\
		6429	}\
		6430	};\
8108	schaersvoo	6431	};\n\
13970	obado	6432	/* end function 6 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6433	break;
		6434	case 7: fprintf(js_include_file,"\
13970	obado	6435	\n/* begin function 7 read_canvas%d() */\n\
8257	schaersvoo	6436	read_canvas%d = function(){\
8074	schaersvoo	6437	set_reply_precision();\
7614	schaersvoo	6438	var reply = new Array();\
		6439	var p = 0;\
		6440	while(userdraw_x[p]){\
		6441	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		6442	p++;\
		6443	};\
11806	schaersvoo	6444	if(p == 0){return;};\
7614	schaersvoo	6445	if( document.getElementById(\"canvas_input0\") ){\
		6446	var p = 0;var input_reply = new Array();\
		6447	if( document.getElementById(\"canvas_input0\")){\
		6448	var t = 0;\
		6449	while(document.getElementById(\"canvas_input\"+t)){\
		6450	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6451	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6452	p++;\
		6453	};\
		6454	t++;\
		6455	};\
		6456	};\
11088	schaersvoo	6457	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6458	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6459	}\
		6460	else\
		6461	{\
		6462	return reply+\"\\n\"+input_reply;\
		6463	}\
7862	schaersvoo	6464	}\
7614	schaersvoo	6465	else\
		6466	{\
11088	schaersvoo	6467	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6468	return reply+\"\\n\"+userdraw_text;\
		6469	}\
		6470	else\
		6471	{\
		6472	return reply;\
		6473	}\
		6474	};\
8108	schaersvoo	6475	};\n\
13970	obado	6476	/* end function 7 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6477	break;
		6478	case 8: fprintf(js_include_file,"\
13970	obado	6479	\n/* begin function 8 read_canvas%d() */\n\
8257	schaersvoo	6480	read_canvas%d = function(){\
7614	schaersvoo	6481	var reply = new Array();\
		6482	var p = 0;\
8074	schaersvoo	6483	var prec = %d;\
7614	schaersvoo	6484	while(userdraw_x[p]){\
8074	schaersvoo	6485	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	6486	p++;\
		6487	};\
11806	schaersvoo	6488	if(p == 0){return;};\
7614	schaersvoo	6489	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6490	var p = 0;var input_reply = new Array();\
		6491	if( document.getElementById(\"canvas_input0\")){\
		6492	var t = 0;\
		6493	while(document.getElementById(\"canvas_input\"+t)){\
		6494	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6495	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6496	p++;\
		6497	};\
		6498	t++;\
		6499	};\
		6500	};\
11088	schaersvoo	6501	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6502	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6503	}\
		6504	else\
		6505	{\
		6506	return reply +\"\\n\"+input_reply;\
		6507	}\
		6508	}\
		6509	else\
		6510	{\
11088	schaersvoo	6511	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6512	return reply +\"\\n\"+userdraw_text;\
		6513	}\
		6514	else\
		6515	{\
		6516	return reply;\
		6517	}\
		6518	};\
8108	schaersvoo	6519	};\n\
13970	obado	6520	/* end function 8 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6521	break;
		6522	case 9: fprintf(js_include_file,"\
13970	obado	6523	\n/* begin function 9 read_canvas%d() */\n\
8257	schaersvoo	6524	read_canvas%d = function(){\
8074	schaersvoo	6525	set_reply_precision();\
7614	schaersvoo	6526	var reply = new Array();\
		6527	var p = 0;\
		6528	while(userdraw_x[p]){\
		6529	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		6530	p++;\
		6531	};\
11806	schaersvoo	6532	if(p == 0){return;};\
7614	schaersvoo	6533	if( document.getElementById(\"canvas_input0\") ){\
		6534	var p = 0;var input_reply = new Array();\
		6535	if( document.getElementById(\"canvas_input0\")){\
		6536	var t = 0;\
		6537	while(document.getElementById(\"canvas_input\"+t)){\
		6538	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6539	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6540	p++;\
		6541	};\
		6542	t++;\
		6543	};\
		6544	};\
11088	schaersvoo	6545	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6546	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6547	}\
		6548	else\
		6549	{\
		6550	return reply +\"\\n\"+input_reply;\
		6551	}\
		6552	}\
		6553	else\
		6554	{\
11088	schaersvoo	6555	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6556	return reply +\"\\n\"+userdraw_text;\
		6557	}\
		6558	else\
		6559	{\
		6560	return reply;\
		6561	}\
		6562	};\
8108	schaersvoo	6563	};\n\
13970	obado	6564	/* end function 9 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6565	break;
		6566	case 10: fprintf(js_include_file,"\
13970	obado	6567	\n/* begin function 10 read_canvas%d() */\n\
8257	schaersvoo	6568	read_canvas%d = function(){\
7614	schaersvoo	6569	var reply = new Array();\
		6570	var p = 0;\
8074	schaersvoo	6571	var prec = %d;\
14044	schaersvoo	6572	var reply = \"\";\
7614	schaersvoo	6573	while(userdraw_x[p]){\
14044	schaersvoo	6574	reply = reply + (Math.round(prec(px2x(userdraw_x[p]))))/prec +\";\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec + \";\" + (Math.round(prec*userdraw_radius[p]))/prec + \"\\n\";\
7614	schaersvoo	6575	p++;\
		6576	};\
11806	schaersvoo	6577	if(p == 0){return;};\
14044	schaersvoo	6578	return reply;\
8108	schaersvoo	6579	};\n\
13970	obado	6580	/* end function 10 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6581	break;
		6582	case 11: fprintf(js_include_file,"\
13970	obado	6583	\n/* begin function 11 read_canvas%d() */\n\
8257	schaersvoo	6584	read_canvas%d = function(){\
7614	schaersvoo	6585	var reply = \"\";\
		6586	var p = 0;\
8074	schaersvoo	6587	var prec = %d;\
13521	schaersvoo	6588	while(userdraw_x[p+1]){\
8074	schaersvoo	6589	reply = reply + (Math.round(prec(px2x(userdraw_x[p]))))/prec +\",\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\",\" + (Math.round(prec(px2x(userdraw_x[p+1]))))/prec +\",\" + (Math.round(prec(px2y(userdraw_y[p+1]))))/prec +\"\\n\" ;\
7614	schaersvoo	6590	p = p+2;\
		6591	};\
11806	schaersvoo	6592	if(p == 0){return;};\
7614	schaersvoo	6593	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		6594	var p = 0;var input_reply = new Array();\
		6595	if( document.getElementById(\"canvas_input0\")){\
		6596	var t = 0;\
		6597	while(document.getElementById(\"canvas_input\"+t)){\
		6598	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6599	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6600	p++;\
		6601	};\
		6602	t++;\
		6603	};\
		6604	};\
11088	schaersvoo	6605	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6606	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6607	}\
		6608	else\
		6609	{\
		6610	return reply +\"\\n\"+input_reply;\
		6611	}\
		6612	}\
		6613	else\
		6614	{\
11088	schaersvoo	6615	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6616	return reply +\"\\n\"+userdraw_text;\
		6617	}\
		6618	else\
		6619	{\
		6620	return reply;\
		6621	}\
		6622	};\
8108	schaersvoo	6623	};\n\
13970	obado	6624	/* end function 11 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6625	break;
		6626	case 12: fprintf(js_include_file,"\
13970	obado	6627	\n/* begin function 12 read_canvas%d() */\n\
8257	schaersvoo	6628	read_canvas%d = function(){\
8074	schaersvoo	6629	set_reply_precision();\
7614	schaersvoo	6630	var reply = \"\";\
		6631	var p = 0;\
13522	schaersvoo	6632	while(userdraw_x[p+1]){\
		6633	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		6634	p=p+2;\
7614	schaersvoo	6635	};\
13522	schaersvoo	6636	};\
11806	schaersvoo	6637	if(p == 0){return;};\
7614	schaersvoo	6638	if( document.getElementById(\"canvas_input0\") ){\
		6639	var p = 0;var input_reply = new Array();\
		6640	if( document.getElementById(\"canvas_input0\")){\
		6641	var t = 0;\
		6642	while(document.getElementById(\"canvas_input\"+t)){\
		6643	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6644	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6645	p++;\
		6646	};\
		6647	t++;\
		6648	};\
		6649	};\
11088	schaersvoo	6650	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6651	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6652	}\
		6653	else\
		6654	{\
		6655	return reply +\"\\n\"+input_reply;\
		6656	}\
		6657	}\
		6658	else\
		6659	{\
11088	schaersvoo	6660	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6661	return reply +\"\\n\"+userdraw_text\
		6662	}\
		6663	else\
		6664	{\
		6665	return reply;\
		6666	}\
		6667	};\
8108	schaersvoo	6668	};\n\
13970	obado	6669	/* end function 12 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6670	break;
		6671	case 13: fprintf(js_include_file,"\
13970	obado	6672	\n/* begin function 13 read_canvas%d() */\n\
8257	schaersvoo	6673	read_canvas%d = function(){\
7614	schaersvoo	6674	var reply = new Array();\
		6675	var p = 0;var i = 0;\
8074	schaersvoo	6676	var prec = %d;\
13521	schaersvoo	6677	while(userdraw_x[p+1]){\
8074	schaersvoo	6678	reply[i] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\":\" + (Math.round(prec(px2x(userdraw_x[p+1]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p+1]))))/prec;\
7614	schaersvoo	6679	p = p+2;i++;\
		6680	};\
11806	schaersvoo	6681	if(p == 0){return;};\
7614	schaersvoo	6682	if( document.getElementById(\"canvas_input0\") ){\
		6683	var p = 0;var input_reply = new Array();\
		6684	if( document.getElementById(\"canvas_input0\")){\
		6685	var t = 0;\
		6686	while(document.getElementById(\"canvas_input\"+t)){\
		6687	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6688	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6689	p++;\
		6690	};\
		6691	t++;\
		6692	};\
		6693	};\
11088	schaersvoo	6694	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6695	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6696	}\
		6697	else\
		6698	{\
		6699	return reply +\"\\n\"+input_reply;\
		6700	}\
		6701	}\
		6702	else\
		6703	{\
11088	schaersvoo	6704	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6705	return reply +\"\\n\"+userdraw_text\
		6706	}\
		6707	else\
		6708	{\
		6709	return reply;\
		6710	}\
		6711	};\
8108	schaersvoo	6712	};\n\
13970	obado	6713	/* end function 13 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6714	break;
		6715	case 14: fprintf(js_include_file,"\
13970	obado	6716	\n/* begin function 14 read_canvas%d() */\n\
8257	schaersvoo	6717	read_canvas%d = function(){\
8074	schaersvoo	6718	set_reply_precision();\
7614	schaersvoo	6719	var reply = new Array();\
		6720	var p = 0;var i = 0;\
13521	schaersvoo	6721	while(userdraw_x[p+1]){\
7614	schaersvoo	6722	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		6723	p = p+2;i++;\
		6724	};\
11806	schaersvoo	6725	if(p == 0){return;};\
7614	schaersvoo	6726	if( document.getElementById(\"canvas_input0\") ){\
		6727	var p = 0;var input_reply = new Array();\
		6728	if( document.getElementById(\"canvas_input0\")){\
		6729	var t = 0;\
		6730	while(document.getElementById(\"canvas_input\"+t)){\
		6731	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6732	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6733	p++;\
		6734	};\
		6735	t++;\
		6736	};\
		6737	};\
11088	schaersvoo	6738	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6739	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6740	}\
		6741	else\
		6742	{\
		6743	return reply +\"\\n\"+input_reply;\
		6744	}\
		6745	}\
		6746	else\
		6747	{\
11088	schaersvoo	6748	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6749	return reply +\"\\n\"+userdraw_text;\
		6750	}\
		6751	else\
		6752	{\
		6753	return reply;\
		6754	}\
		6755	};\
8108	schaersvoo	6756	};\n\
13970	obado	6757	/* end function 14 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6758	break;
		6759	case 15: fprintf(js_include_file,"\
13970	obado	6760	\n/* begin function 15 read_canvas%d() */\n\
8257	schaersvoo	6761	read_canvas%d = function(){\
7614	schaersvoo	6762	var input_reply = new Array();\
		6763	var p = 0;\
		6764	if( document.getElementById(\"canvas_input0\")){\
		6765	var t = 0;\
		6766	while(document.getElementById(\"canvas_input\"+t)){\
		6767	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6768	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6769	p++;\
		6770	};\
		6771	t++;\
		6772	};\
		6773	};\
11088	schaersvoo	6774	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6775	return input_reply +\"\\n\"+userdraw_text;\
		6776	}\
		6777	else\
		6778	{\
		6779	return input_reply;\
		6780	};\
8108	schaersvoo	6781	};\n\
13970	obado	6782	/* end function 15 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6783	break;
		6784	case 16: fprintf(js_include_file,"\
13970	obado	6785	\n/* begin function 16 read_mathml() */\n\
7614	schaersvoo	6786	function read_mathml(){\
		6787	var reply = new Array();\
		6788	var p = 0;\
		6789	if( document.getElementById(\"mathml0\")){\
		6790	while(document.getElementById(\"mathml\"+p)){\
		6791	reply[p] = document.getElementById(\"mathml\"+p).value;\
		6792	p++;\
		6793	};\
		6794	};\
		6795	return reply;\
		6796	};\
		6797	this.read_mathml = read_mathml;\n\
13970	obado	6798	/* end function 16 read_mathml() */");
7614	schaersvoo	6799	break;
		6800	case 17: fprintf(js_include_file,"\
13970	obado	6801	\n/* begin function 17 read_canvas%d() */\n\
8257	schaersvoo	6802	read_canvas%d = function(){\
11080	schaersvoo	6803	var len = userdraw_x.length;\
		6804	if( len == 0){alert(\"no text typed...\");return;}\
		6805	var rep = px2x(userdraw_x[0])+\",\"+px2y(userdraw_y[0])+\",\"+userdraw_text[0];\
		6806	for(var p = 1 ; p < len ; p++){\
		6807	rep = rep + \"\\n\" + px2x(userdraw_x[p]) + \",\" + px2y(userdraw_y[p]) + \",\" + userdraw_text[p];\
		6808	};\
		6809	return rep;\
8108	schaersvoo	6810	};\n\
13970	obado	6811	/* end function 17 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6812	break;
		6813	case 18: fprintf(js_include_file,"\
13970	obado	6814	\n/* javascript has no real modulo function */\n\
10956	schaersvoo	6815	function mod(n, m){\
		6816	var m = parseInt(((n %% m) + m) %% m);\
		6817	return m;\
		6818	};\
13970	obado	6819	\n/* begin function 18 read_canvas%d() */\n\
8257	schaersvoo	6820	read_canvas%d = function(){\
7614	schaersvoo	6821	var p = 0;\
		6822	var reply = new Array();\
		6823	var name;\
		6824	var t = true;\
8000	schaersvoo	6825	var h;var m;var s;\
7614	schaersvoo	6826	while(t){\
8000	schaersvoo	6827	try{\
		6828	name = eval('clocks'+p);\
		6829	h = name.H;m = name.M;s = name.S;\
10956	schaersvoo	6830	h = mod((h+m/60+s/3600),12);m = mod((m + s/60),60);s = mod(s,60);\
8000	schaersvoo	6831	reply[p] = h+\":\"+m+\":\"+s;\
		6832	p++;\
		6833	}catch(e){t=false;};\
7614	schaersvoo	6834	};\
8000	schaersvoo	6835	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	6836	return reply;\
8108	schaersvoo	6837	};\n\
13970	obado	6838	/* end function 18 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6839	break;
		6840	case 19: fprintf(js_include_file,"\
13970	obado	6841	\n/* begin function 19 read_canvas%d() */\n\
8257	schaersvoo	6842	read_canvas%d = function(){\
7614	schaersvoo	6843	return reply[0];\
8108	schaersvoo	6844	};\n\
13970	obado	6845	/* end function 19 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	6846	break;
7614	schaersvoo	6847	case 20: fprintf(js_include_file,"\
13970	obado	6848	\n/* begin function 20 read_canvas%d() */\n\
8257	schaersvoo	6849	read_canvas%d = function(){\
8074	schaersvoo	6850	var prec = %d;\
7614	schaersvoo	6851	var len = ext_drag_images.length;\
		6852	var reply = new Array(len);\
		6853	for(var p = 0 ; p < len ; p++){\
		6854	var img = ext_drag_images[p];\
8556	schaersvoo	6855	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	6856	};\
		6857	return reply;\
8108	schaersvoo	6858	};\n\
13970	obado	6859	/* end function 20 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6860	break;
		6861	case 21: fprintf(js_include_file,"\
13970	obado	6862	\n/* begin function 21 read_canvas%d() */\n\
8257	schaersvoo	6863	read_canvas%d = function(){\
7614	schaersvoo	6864	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		6865	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	6866	var prec = %d;\
7614	schaersvoo	6867	while(userdraw_x[p]){\
8074	schaersvoo	6868	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	6869	p++;\
		6870	};\
11806	schaersvoo	6871	if(p == 0){return;};\
7614	schaersvoo	6872	if( document.getElementById(\"canvas_input0\") ){\
		6873	var p = 0;var input_reply = new Array();\
		6874	if( document.getElementById(\"canvas_input0\")){\
		6875	var t = 0;\
		6876	while(document.getElementById(\"canvas_input\"+t)){\
		6877	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6878	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6879	p++;\
		6880	};\
		6881	t++;\
		6882	};\
		6883	};\
11088	schaersvoo	6884	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6885	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6886	}\
		6887	else\
		6888	{\
		6889	return reply_coord+\"\\n\"+input_reply;\
		6890	}\
		6891	}\
		6892	else\
		6893	{\
11088	schaersvoo	6894	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6895	return reply_coord+\"\\n\"+userdraw_text;\
		6896	}\
		6897	else\
		6898	{\
		6899	return reply_coord;\
		6900	};\
		6901	};\
8108	schaersvoo	6902	};\n\
13970	obado	6903	/* end function 21 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6904	break;
		6905	case 22: fprintf(js_include_file,"\
13970	obado	6906	\n/* begin function 22 read_canvas%d() */\n\
8257	schaersvoo	6907	read_canvas%d = function(){\
7614	schaersvoo	6908	var reply = new Array();\
7963	schaersvoo	6909	var lu = userdraw_x.length;\
11806	schaersvoo	6910	if(lu == 0){return;};\
7614	schaersvoo	6911	var idx = 0;\
8074	schaersvoo	6912	var prec = %d;\
7963	schaersvoo	6913	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	6914	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		6915	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	6916	};\
		6917	if( document.getElementById(\"canvas_input0\") ){\
		6918	var p = 0;var input_reply = new Array();\
		6919	if( document.getElementById(\"canvas_input0\")){\
		6920	var t = 0;\
		6921	while(document.getElementById(\"canvas_input\"+t)){\
		6922	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6923	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6924	p++;\
		6925	};\
		6926	t++;\
		6927	};\
		6928	};\
11088	schaersvoo	6929	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6930	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6931	}\
		6932	else\
		6933	{\
		6934	return reply +\"\\n\"+input_reply;\
		6935	}\
		6936	}\
		6937	else\
		6938	{\
11088	schaersvoo	6939	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6940	return reply +\"\\n\"+userdraw_text;\
		6941	}\
		6942	else\
		6943	{\
		6944	return reply;\
		6945	}\
		6946	};\
8108	schaersvoo	6947	};\n\
13970	obado	6948	/* end function 22 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6949	break;
7782	schaersvoo	6950	case 23: fprintf(js_include_file,"\
13970	obado	6951	\n/* begin function 23 read_canvas%d() default 5 px marge */\n\
8257	schaersvoo	6952	read_canvas%d = function(){\
7782	schaersvoo	6953	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		6954	var lu = userdraw_x.length;\
		6955	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	6956	var reply_x = new Array();var reply_y = new Array();\
		6957	var marge = 5;var p = 0;\
8074	schaersvoo	6958	var prec = %d;\
7782	schaersvoo	6959	for(var i = 0; i < lu - 1 ; i++ ){\
10987	schaersvoo	6960	if( Math.abs(userdraw_x[i] - userdraw_x[i+1]) \|\| Math.abs(userdraw_y[i] - userdraw_y[i+1])){\
8074	schaersvoo	6961	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	6962	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		6963	p++;\
7782	schaersvoo	6964	};\
8074	schaersvoo	6965	reply_x[p] = (Math.round(prec(px2x(userdraw_x[lu-1]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[lu-1]))))/prec;\
7782	schaersvoo	6966	};\
		6967	if( document.getElementById(\"canvas_input0\")){\
		6968	var p = 0;var input_reply = new Array();\
		6969	if( document.getElementById(\"canvas_input0\")){\
		6970	var t = 0;\
		6971	while(document.getElementById(\"canvas_input\"+t)){\
		6972	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6973	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6974	p++;\
		6975	};\
		6976	t++;\
		6977	};\
		6978	};\
11088	schaersvoo	6979	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6980	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6981	}\
		6982	else\
		6983	{\
		6984	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		6985	}\
		6986	}\
		6987	else\
		6988	{\
11088	schaersvoo	6989	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6990	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		6991	}\
		6992	else\
		6993	{\
		6994	return reply_x+\"\\n\"+reply_y;\
		6995	};\
		6996	};\
8108	schaersvoo	6997	};\n\
13970	obado	6998	/* end function 23 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	6999	break;
7984	schaersvoo	7000	case 24: fprintf(js_include_file,"\n\
13970	obado	7001	/* begin function 24 read_canvas%d() */\n\
8257	schaersvoo	7002	read_canvas%d = function(){\
7984	schaersvoo	7003	var input_reply = new Array();\
		7004	var p = 0;\
		7005	if( document.getElementById(\"canvas_input0\")){\
		7006	while(document.getElementById(\"canvas_input\"+p)){\
		7007	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		7008	p++;\
		7009	};\
		7010	return input_reply;\
		7011	};\
8108	schaersvoo	7012	};\n\
13970	obado	7013	/* end function 24 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	7014	break;
8083	schaersvoo	7015	case 25:
14066	bpr	7016	fprintf(js_include_file,"\n/* begin function 25 read_canvas%d(): angle(s) in degrees */\n\
8257	schaersvoo	7017	read_canvas%d = function(){\
8083	schaersvoo	7018	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		7019	var lu = userdraw_radius.length;\
		7020	var prec = %d;\
		7021	var angle_reply = new Array(lu);\
		7022	for(var p = 0 ; p < lu ; p++){\
		7023	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		7024	};\
		7025	return angle_reply;\
8108	schaersvoo	7026	};\n\
13970	obado	7027	/* end function 25 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	7028	break;
		7029	case 26:
14066	bpr	7030	fprintf(js_include_file,"\n/* begin function 26 read_canvas%d(): angle(s) in radians */\n\
8257	schaersvoo	7031	read_canvas%d = function(){\
8083	schaersvoo	7032	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		7033	var lu = userdraw_radius.length;\
		7034	var prec = %d;\
		7035	var angle_reply = new Array(lu);\
		7036	for(var p = 0 ; p < lu ; p++){\
		7037	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		7038	};\
		7039	return angle_reply;\
8108	schaersvoo	7040	};\n\
13970	obado	7041	/* end function 26 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	7042	break;
8127	schaersvoo	7043	case 27:
14066	bpr	7044	fprintf(js_include_file,"\n/* begin function 27 read_canvas%d(): inputfield(s) location and their values: */\n\
8257	schaersvoo	7045	read_canvas%d = function(){\
8127	schaersvoo	7046	var lu = userdraw_x.length;\
14044	schaersvoo	7047	if( lu < 1){alert(\"nothing drawn...\");return;};\
8127	schaersvoo	7048	set_reply_precision();\
14044	schaersvoo	7049	var prec = %d;var rep = \"\";\
8127	schaersvoo	7050	for(var p = 0 ; p < lu ; p++){\
14044	schaersvoo	7051	rep = rep + (Math.round(prec(px2x(userdraw_x[p]))))/prec+\";\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\";\"+ document.getElementById(\"canvas_input\"+p).value + \"\\n\";\
8127	schaersvoo	7052	};\
11080	schaersvoo	7053	return rep;\
8127	schaersvoo	7054	};\n\
13970	obado	7055	/* end function 27 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	7056	break;
8322	schaersvoo	7057	case 28:
13970	obado	7058	fprintf(js_include_file,"\n/* begin function 28 read_canvas%d() */\n\
8322	schaersvoo	7059	read_canvas%d = function(){\
		7060	var prec = %d;\
		7061	var reply = new Array();var p = 0;\
		7062	var idx = 0;\
		7063	while(userdraw_x[p]){\
		7064	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		7065	idx++;\
		7066	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		7067	idx++;\
		7068	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		7069	idx++;\
		7070	p++;\
		7071	};\
		7072	if( p == 0){alert(\"nothing drawn...\");return;}\
		7073	return reply;\
		7074	};\n\
13970	obado	7075	/* end function 28 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8322	schaersvoo	7076	break;
9213	schaersvoo	7077	case 29:
13970	obado	7078	fprintf(js_include_file,"\n/* begin function 29 read_canvas%d() */\n\
14038	schaersvoo	7079	function x_precision(array_x){\
9213	schaersvoo	7080	var len = array_x.length;\
		7081	var x_array = new Array(len);\
14038	schaersvoo	7082	var prec = %d;\
		7083	for(var p = 0 ; p < len ; p++ ){\
		7084	x_array[p] = (Math.round(prec*(px2x(array_x[p]))))/prec;\
		7085	};\
		7086	return x_array;\
		7087	};\
		7088	function y_precision(array_y){\
		7089	var len = array_y.length;\
9213	schaersvoo	7090	var y_array = new Array(len);\
		7091	var prec = %d;\
		7092	for(var p = 0 ; p < len ; p++ ){\
		7093	y_array[p] = (Math.round(prec*(px2y(array_y[p]))))/prec;\
		7094	};\
14038	schaersvoo	7095	return y_array;\
		7096	};\
9213	schaersvoo	7097	function round_to_pixel(array_r){\
		7098	var len = array_r.length;\
		7099	for(var p = 0 ; p < len ; p++ ){\
		7100	array_r[p] = Math.round(array_r[p]);\
		7101	};\
		7102	return array_r;\
		7103	};\
		7104	read_canvas%d = function(){\
14038	schaersvoo	7105	function uniq_fast(arr){\
		7106	var seen = {};\
		7107	var out = [];\
		7108	var len = arr.length;\
		7109	var j = 0;\
		7110	for(var i = 0; i < len; i++){\
		7111	var item = arr[i];\
		7112	if(seen[item] !== 1) {\
		7113	seen[item] = 1;out[j++] = item;\
		7114	};\
		7115	};\
		7116	return out;\
		7117	};\
		7118	function list_unique(arr1,arr2,arr3){\
		7119	var len1 = arr1.length;\
		7120	if(len1 != arr2.length){alert('mismatch in number of x and y values...');return;};\
		7121	var sum = [];var R1=[];var R2=[];\
		7122	arr1 = x_precision(arr1);\
		7123	arr2 = y_precision(arr2);\
		7124	if(arr3 == null){\
		7125	for(var p=0;p<len1;p++){ sum[p] = arr1[p]+'#'+arr2[p]; };\
		7126	sum = uniq_fast(sum);var len2=sum.length;\
		7127	for(var p=0;p<len2;p++){\
		7128	var tmp = (sum[p]).split('#');\
		7129	R1[p] = tmp[0];\
		7130	R2[p] = tmp[1];\
		7131	};\
		7132	return [R1,R2];\
		7133	}else{\
		7134	var R3 = [];\
		7135	for(var p=0;p<len1;p++){ sum[p] = arr1[p]+'#'+arr2[p]+'#'+arr3[p];};\
		7136	sum = uniq_fast(sum);var len2=sum.length;\
		7137	for(var p=0;p<len2;p++){\
		7138	var tmp = (sum[p]).split('#');\
		7139	R1[p] = tmp[0];\
		7140	R2[p] = tmp[1];\
		7141	R3[p] = tmp[2];\
		7142	};\
		7143	return [R1,R2,R3];\
		7144	};\
		7145	};\
9300	schaersvoo	7146	var reply=\" \";\
14038	schaersvoo	7147	if( typeof(points_x) === 'object' && points_x.length > 0 ){var xyz = list_unique(points_x,points_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\";}else{ reply = reply + \"\\n\"; };\
14161	schaersvoo	7148	if( typeof(circles_x) === 'object' && circles_x.length > 0 ){var xyz = list_unique(circles_x,circles_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\";\"+round_to_pixel(multi_radius)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
14038	schaersvoo	7149	if( typeof(segments_x) === 'object' && segments_x.length > 0 ){ var xyz = list_unique(segments_x,segments_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\";}else{ reply = reply + \"\\n\"; };\
		7150	if( typeof(arrows_x) === 'object' && arrows_x.length > 0 ){var xyz = list_unique(arrows_x,arrows_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7151	if( typeof(lines_x) === 'object' && lines_x.length > 0 ){ var xyz = list_unique(lines_x,lines_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7152	if( typeof(triangles_x) === 'object' && triangles_x.length > 0){var xyz = list_unique(triangles_x,triangles_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7153	if( typeof(polys_x) === 'object' && polys_x.length > 0){ var xyz = list_unique(polys_x,polys_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7154	if( typeof(rects_x) === 'object' && rects_x.length > 0 ){var xyz = list_unique(rects_x,rects_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7155	if( typeof(closedpoly_x) === 'object' && closedpoly_x.length > 0){ closedpoly_x.pop();closedpoly_y.pop();var xyz = list_unique(closedpoly_x,closedpoly_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\";}else{ reply = reply + \"\\n\"; };\
		7156	if( typeof(parallelogram_x) === 'object' && parallelogram_x.length > 0){var xyz = list_unique(parallelogram_x,parallelogram_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\"; };\
		7157	if( typeof(text_x) === 'object' && text_x.length > 0){var xyz = list_unique(text_x,text_y,text_abc);reply = reply + xyz[0] +\";\"+xyz[1]+\";\"+xyz[2]+\"\\n\";}else{ reply = reply + \"\\n\"; };\
		7158	if( typeof(images_x) === 'object' && images_x.length > 0){var xyz = list_unique(images_x,images_y,images_id);reply = reply + xyz[0] +\";\"+xyz[1]+\";\"+xyz[2]+\"\\n\";}else{ reply = reply + \"\\n\"; };\
		7159	if( typeof(curvedarrows_x) === 'object' && curvedarrows_x.length > 0){var xyz = list_unique(curvedarrows_x,curvedarrows_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\";};\
		7160	if( typeof(curvedarrows2_x) === 'object' && curvedarrows2_x.length > 0){var xyz = list_unique(curvedarrows2_x,curvedarrows2_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; }else{ reply = reply + \"\\n\";};\
		7161	if( typeof(userdraw_x) === 'object' && userdraw_radius.x> 0){var xyz = list_unique(userdraw_x,userdraw_y,null);reply = reply + xyz[0] +\";\"+xyz[1]+\"\\n\"; return reply;;};\
		7162	if( typeof(userdraw_radius) === 'object' && userdraw_radius.length > 0){var xyz = list_unique(userdraw_x,userdraw_y,userdraw_radius);reply = reply + xyz[0] +\";\"+xyz[1]+\";\"+xyz[2]+\"\\n\"; return reply;;};\
9213	schaersvoo	7163	return reply;\
14038	schaersvoo	7164	};\
14044	schaersvoo	7165	/* end function 29 read_canvas%d() */",canvas_root_id,reply_precision,reply_precision,canvas_root_id,canvas_root_id);
9213	schaersvoo	7166	break;
9289	schaersvoo	7167	case 30:
13970	obado	7168	fprintf(js_include_file,"\n/* begin function 30 read_canvas%d() */\n\
9289	schaersvoo	7169	read_canvas%d = function(){\
		7170	var reply = new Array(3);\
		7171	var prec = %d;\
		7172	reply[0] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		7173	reply[1] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		7174	reply[2] = (Math.round(prec*(protractor_data[2])))/prec;\
		7175	return reply;\
		7176	};\n\
13970	obado	7177	/* end function 30 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
9289	schaersvoo	7178	break;
		7179	case 31:
13970	obado	7180	fprintf(js_include_file,"\n/* begin function 31 read_canvas%d() */\n\
9289	schaersvoo	7181	read_canvas%d = function(){\
		7182	var reply = new Array(3);\
		7183	var prec = %d;\
		7184	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		7185	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		7186	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		7187	return reply;\
		7188	};\n\
13970	obado	7189	/* end function 31 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
9289	schaersvoo	7190	break;
		7191	case 32:
13970	obado	7192	fprintf(js_include_file,"\n/* begin function 32 read_canvas%d() */\n\
9289	schaersvoo	7193	read_canvas%d = function(){\
		7194	var reply = new Array(6);\
		7195	var prec = %d;\
		7196	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		7197	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		7198	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		7199	reply[3] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		7200	reply[4] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		7201	reply[5] = (Math.round(prec*(protractor_data[2])))/prec;\
		7202	return reply;\
		7203	};\n\
13970	obado	7204	/* end function 32 read_canvas%d() */",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
9289	schaersvoo	7205	break;
14038	schaersvoo	7206	case 33:
		7207	fprintf(js_include_file,"\n/* begin function 33 read_canvas%d() */\n\
		7208	read_canvas%d = function(){\
		7209	var reply = userdraw_x+'\\n'+userdraw_y;\
		7210	return reply;\
		7211	};\n\
		7212	/* end function 32 read_canvas%d() */",canvas_root_id,canvas_root_id,canvas_root_id);
		7213	break;
		7214	case 34: fprintf(js_include_file,"\
		7215	\n/* begin special OEF function (replyformat 34) read_canvas_images() \\n note: only suitable for reading a single canvas in exercise page */\n\
		7216	var read_canvas_images = function(){\
		7217	var prec = %d;\
		7218	var len = ext_drag_images.length;\
		7219	var reply = new Array(len);\
		7220	for(var p = 0 ; p < len ; p++){\
		7221	var img = ext_drag_images[p];\
		7222	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
		7223	};\
		7224	return reply;\
		7225	};\n\
		7226	/* end function 20 read_canvas_images() */",reply_precision);
		7227	break;
		7228
7614	schaersvoo	7229	default: canvas_error("hmmm unknown replyformat...");break;
		7230	}
		7231	return;
		7232	}
		7233
		7234
8224	bpr	7235	/*
14066	bpr	7236	add drawfunction:
7614	schaersvoo	7237	- functions used by userdraw_primitives (circle,rect,path,triangle...)
14078	bpr	7238	- things not covered by the drag&drop library (static objects like parallel, lattice, gridfill, imagefill)
7614	schaersvoo	7239	- grid / mathml
		7240	- will not scale or zoom in
		7241	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	7242	- is printed directly into 'js_include_file'
7614	schaersvoo	7243	*/
		7244
11021	schaersvoo	7245	void add_javascript_function(int js_function[],int canvas_root_id){
7614	schaersvoo	7246	int i;
		7247	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
11017	schaersvoo	7248	if( js_function[i] == 1){
7614	schaersvoo	7249	switch(i){
11026	bpr	7250	case JS_FIND_ANGLE:
11025	schaersvoo	7251	fprintf(js_include_file,"\n\
13970	obado	7252	/* function find_angle() */\n\
14044	schaersvoo	7253	function find_angle(xc,yc,x1,y1){var dx = x1 - xc;var dy = yc - y1;return Math.atan2(dx,dy);};");
11017	schaersvoo	7254	break;
8448	schaersvoo	7255	case DRAW_EXTERNAL_IMAGE:
14066	bpr	7256	/*
13969	schaersvoo	7257	the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
		7258	only drag_xy !
		7259	snaptogrid \| xsnaptogrid \| ysnaptogrid works
		7260	14/5/2019
		7261	on heavy styled wims (unice.fr etc problems with mouse?
		7262	now uniform method of retreiving mouse coordinates dragstuff.getMouse()
8448	schaersvoo	7263	*/
13970	obado	7264	fprintf(js_include_file,"\n/* drag external images */\n\
7653	schaersvoo	7265	var external_ctx = external_canvas.getContext(\"2d\");\
		7266	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		7267	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		7268	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		7269	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		7270	var selected_image = null;\
		7271	var ext_image_cnt = 0;\
		7272	var ext_drag_images = new Array();\
14038	schaersvoo	7273	var ext_centered = 0;\
14044	schaersvoo	7274	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt,centered,use_snap){\
14038	schaersvoo	7275	ext_centered = centered;\
7653	schaersvoo	7276	ext_image_cnt = idx;\
8448	schaersvoo	7277	if(draggable == 1 ){\
		7278	reply[click_cnt] = 0;\
		7279	};\
7653	schaersvoo	7280	var image = new Image();\
		7281	image.src = URL;\
		7282	image.onload = function(){\
8448	schaersvoo	7283	if( sx < 1 ){ sx = 0; };\
		7284	if( sy < 1 ){ sy = 0; };\
		7285	if( swidth < 1 ){swidth = image.width;};\
		7286	if( sheight < 1 ){sheight = image.height;};\
		7287	if( width < 1 ){width = image.width;};\
		7288	if( height < 1 ){height = image.height;};\
		7289	if( resizable == 0 ){\
		7290	if( swidth > image.width ){ swidth = image.width; };\
		7291	if( sheight > image.height){ sheight = image.height;};\
		7292	if( width > image.width ){ width = image.width; };\
		7293	if( height > image.height){ height = image.height;};\
		7294	};\
14044	schaersvoo	7295	var img = new Array(12);\
7653	schaersvoo	7296	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
14044	schaersvoo	7297	img[8] = width;img[9] = height;img[10] = click_cnt;img[11] = use_snap;\
14062	schaersvoo	7298	img[6] = x0;img[7] = y0;\
7653	schaersvoo	7299	ext_drag_images[idx] = img;\
14062	schaersvoo	7300	if(centered == 4){\
		7301	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],parseInt(img[6] - 0.5img[8]),parseInt(img[7] - 0.5img[9]),img[8],img[9]);\
		7302	}else{\
		7303	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		7304	};\
7653	schaersvoo	7305	};\
		7306	};\
		7307	function dragstop(evt){\
		7308	selected_image = null;return;\
		7309	};\
		7310	function dragxy(evt){\
		7311	if( selected_image != null ){\
14044	schaersvoo	7312	var s_img = ext_drag_images[selected_image];\
13969	schaersvoo	7313	var mouse = dragstuff.getMouse(evt,external_canvas);\
14044	schaersvoo	7314	var xy = multisnap_check(mouse.x,mouse.y,s_img[11]);\
14201	schaersvoo	7315	xy[0] = parseInt(xy[0] - 0.5*s_img[8]);\
		7316	xy[1] = parseInt(xy[1] - 0.5*s_img[9]);\
14062	schaersvoo	7317	s_img[6] = xy[0];s_img[7] = xy[1];\
7653	schaersvoo	7318	ext_drag_images[selected_image] = s_img;\
		7319	external_ctx.clearRect(0,0,xsize,ysize);\
		7320	for(var i = 0; i <= ext_image_cnt ; i++){\
		7321	var img = ext_drag_images[i];\
14201	schaersvoo	7322	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
7653	schaersvoo	7323	};\
		7324	};\
		7325	};\
		7326	function setxy(evt){\
		7327	if( ! selected_image && evt.which == 1 ){\
13969	schaersvoo	7328	var mouse = dragstuff.getMouse(evt,external_canvas);\
		7329	var xm = mouse.x;\
		7330	var ym = mouse.y;\
14062	schaersvoo	7331	var img;var xmarge;var ymarge;\
7653	schaersvoo	7332	for(var p = 0 ; p <= ext_image_cnt ; p++){\
8448	schaersvoo	7333	if( ext_drag_images[p] ){\
		7334	img = ext_drag_images[p];\
		7335	if( img[0] != 0 ){\
14062	schaersvoo	7336	xmarge = 0.5img[8];ymarge = 0.5img[9];\
		7337	if( xm > img[6] - xmarge && xm < img[6] + img[8]){\
		7338	if( ym > img[7] - ymarge && ym < img[7] + img[9]){\
8448	schaersvoo	7339	if( img[0] == 1){\
		7340	if( reply[img[10]] == 1 ){\
		7341	reply[img[10]] = 0;external_ctx.strokeStyle = '#ffffff';\
		7342	}\
		7343	else\
		7344	{\
		7345	reply[img[10]] = 1;external_ctx.strokeStyle = '#00ff00';\
		7346	};\
13969	schaersvoo	7347	external_ctx.lineWidth = 4;\
8448	schaersvoo	7348	external_ctx.beginPath();\
		7349	external_ctx.rect(img[6],img[7],img[8],img[9]);\
		7350	external_ctx.closePath();\
		7351	external_ctx.stroke();\
		7352	return;\
		7353	}\
		7354	else\
		7355	{\
		7356	img[6] = xm;\
		7357	img[7] = ym;\
		7358	ext_drag_images[p] = img;\
		7359	selected_image = p;\
		7360	dragxy(evt);\
		7361	};\
		7362	};\
7653	schaersvoo	7363	};\
		7364	};\
		7365	};\
		7366	};\
		7367	}\
		7368	else\
		7369	{\
		7370	selected_image = null;\
		7371	};\
8448	schaersvoo	7372	};");
7614	schaersvoo	7373	break;
8370	schaersvoo	7374	case DRAW_BEZIER:
13970	obado	7375	fprintf(js_include_file,"\n/* draw bezier curve */\n\
11874	schaersvoo	7376	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8370	schaersvoo	7377	var draw_bezier = function(canvas_type,linewidth,xy_points,fill_color,fill_opacity,stroke_color,stroke_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
		7378	var obj;\
		7379	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7380	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7381	}\
		7382	else\
		7383	{\
		7384	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7385	};\
		7386	var ctx = obj.getContext(\"2d\");\
		7387	ctx.save();\
		7388	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7389	ctx.lineWidth = linewidth;\
11088	schaersvoo	7390	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8370	schaersvoo	7391	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
		7392	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		7393	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7394	ctx.beginPath();\
		7395	ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
		7396	ctx.bezierCurveTo(x2px(xy_points[2]),y2px(xy_points[3]),x2px(xy_points[4]),y2px(xy_points[5]),x2px(xy_points[6]),y2px(xy_points[7]));\
11874	schaersvoo	7397	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
11875	schaersvoo	7398	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
8370	schaersvoo	7399	ctx.stroke();\
		7400	ctx.restore();\
		7401	};\n",canvas_root_id,canvas_root_id,canvas_root_id);
		7402	break;
13829	bpr	7403
7614	schaersvoo	7404	case DRAW_GRIDFILL:/* not used for userdraw */
13970	obado	7405	fprintf(js_include_file,"\n/* draw gridfill */\n\
11827	schaersvoo	7406	var grid_fill_pattern;\
11823	schaersvoo	7407	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize,use_userdraw){\
11820	schaersvoo	7408	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		7409	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
14208	schaersvoo	7410	var fc = %d+canvas_type;\
11820	schaersvoo	7411	fill_canvas_no.push(fc);\
14208	schaersvoo	7412	var obj = create_canvas%d(fc,xsize,ysize);\
		7413	var ctx = obj.getContext('2d');\
7614	schaersvoo	7414	var x,y;\
14208	schaersvoo	7415	ctx.fillStyle='rgba(255,255,255,0.01)';\
		7416	ctx.rect(0,0,xsize,ysize);\
		7417	ctx.fill();\
11820	schaersvoo	7418	ctx.lineWidth = linewidth;\
		7419	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
		7420	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		7421	for( x = 0 ; x < xsize ; x = x + dx ){\
		7422	ctx.beginPath();\
		7423	ctx.moveTo(x,0);\
		7424	ctx.lineTo(x,ysize);\
		7425	ctx.closePath();\
		7426	ctx.stroke();\
7614	schaersvoo	7427	};\
11820	schaersvoo	7428	for( y = 0 ; y < ysize; y = y + dy ){\
		7429	ctx.beginPath();\
		7430	ctx.moveTo(0,y);\
		7431	ctx.lineTo(xsize,y);\
		7432	ctx.closePath();\
		7433	ctx.stroke();\
7614	schaersvoo	7434	};\
11823	schaersvoo	7435	if( use_userdraw ){\
		7436	grid_fill_pattern = ctx;\
		7437	}\
		7438	else\
		7439	{\
11874	schaersvoo	7440	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};return;\
		7441	};",canvas_root_id,canvas_root_id);
7614	schaersvoo	7442	break;
8224	bpr	7443
7614	schaersvoo	7444	case DRAW_IMAGEFILL:/* not used for userdraw */
13970	obado	7445	fprintf(js_include_file,"\n/* draw imagefill */\n\
11874	schaersvoo	7446	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize,use_userdraw,use_scaling){\
11854	schaersvoo	7447	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		7448	var fc = %d+canvas_type;\
		7449	fill_canvas_no.push(fc);\
		7450	var obj = create_canvas%d(fc,xsize,ysize);\
		7451	var ctx = obj.getContext('2d');\
		7452	var img = new Image();\
		7453	img.src = URL;\
11857	schaersvoo	7454	obj.style.visibility = 'hidden';\
		7455	img.onload = function(){\
11874	schaersvoo	7456	if( use_scaling == 1 ){\
		7457	ctx.drawImage(img,x0,y0,xsize,ysize);\
		7458	}else{\
		7459	var w0 = img.width;var h0 = img.height;var w;var h;\
		7460	for( w = x0; w < xsize ; w = w + w0 ){\
		7461	for( h = y0; h < ysize; h = h + h0){\
		7462	ctx.drawImage(img,w,h,w0,h0);\
		7463	};\
		7464	};\
		7465	};\
11857	schaersvoo	7466	if( use_userdraw ){\
		7467	image_pattern = ctx;\
		7468	}\
		7469	else\
		7470	{\
		7471	setTimeout(function(){ filltoborder( x0,y0,'red','red',canvas_type,true,ctx); },500);\
		7472	};\
		7473	};\
11854	schaersvoo	7474	};",canvas_root_id,canvas_root_id);
7614	schaersvoo	7475	break;
8224	bpr	7476
7614	schaersvoo	7477	case DRAW_DOTFILL:/* not used for userdraw */
13970	obado	7478	fprintf(js_include_file,"\n/* draw dotfill */\n\
11827	schaersvoo	7479	var dot_fill_pattern;\
11823	schaersvoo	7480	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize,use_userdraw){\n\
11820	schaersvoo	7481	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
11818	schaersvoo	7482	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
11820	schaersvoo	7483	var fc = %d+canvas_type;\
11818	schaersvoo	7484	fill_canvas_no.push(fc);\
11820	schaersvoo	7485	var obj = create_canvas%d(fc,xsize,ysize);\
		7486	var ctx = obj.getContext('2d');\
		7487	var x,y;\
		7488	ctx.fillStyle='rgba(255,255,255,0.01)';\
		7489	ctx.rect(0,0,xsize,ysize);\
		7490	ctx.fill();\
		7491	ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
		7492	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		7493	for( x = 0 ; x < xsize ; x = x + dx ){\
		7494	for( y = 0 ; y < ysize ; y = y + dy ){\
		7495	ctx.beginPath();\
		7496	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		7497	ctx.closePath();\
		7498	ctx.fill();\
		7499	};\
		7500	};\
11823	schaersvoo	7501	if( use_userdraw ){\
11824	schaersvoo	7502	dot_fill_pattern = ctx;\
11823	schaersvoo	7503	}\
		7504	else\
		7505	{\
11874	schaersvoo	7506	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
		7507	};\
		7508	return;\
		7509	};",canvas_root_id,canvas_root_id);
7614	schaersvoo	7510	break;
7645	schaersvoo	7511
11830	schaersvoo	7512	case DRAW_TEXTFILL:/* not used for userdraw */
13970	obado	7513	fprintf(js_include_file,"\n/* draw textfill */\n\
11830	schaersvoo	7514	var text_fill_pattern;\
		7515	var draw_textfill = function(canvas_type,x0,y0,color,fontfamily,xsize,ysize,txt,use_userdraw){\n\
		7516	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		7517	var fc = %d+canvas_type;\
		7518	fill_canvas_no.push(fc);\
		7519	var obj = create_canvas%d(fc,xsize,ysize);\
		7520	var ctx = obj.getContext('2d');\
		7521	ctx.font = fontfamily;\
11832	schaersvoo	7522	var dx = (ctx.measureText(txt)).width;\
11830	schaersvoo	7523	var dy = parseInt(fontfamily)+2;\
		7524	ctx.fillStyle='rgba(255,255,255,0.01)';\
		7525	ctx.rect(0,0,xsize,ysize);\
		7526	ctx.fill();\
		7527	ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
		7528	for(var x = 0 ; x < xsize ; x = x + dx ){\
		7529	for(var y = 0 ; y < ysize ; y = y + dy ){\
		7530	ctx.fillText(txt,x,y);\
		7531	};\
		7532	};\
		7533	if( use_userdraw ){\
		7534	text_fill_pattern = ctx;\
		7535	}\
		7536	else\
		7537	{\
		7538	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};\
		7539	return;};",canvas_root_id,canvas_root_id);
		7540	break;
		7541
7647	schaersvoo	7542	case DRAW_DIAMONDFILL:/* not used for userdraw */
13970	obado	7543	fprintf(js_include_file,"\n/* draw hatch fill */\n\
11827	schaersvoo	7544	var diamond_fill_pattern;\
11823	schaersvoo	7545	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
11820	schaersvoo	7546	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		7547	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		7548	var fc = %d+canvas_type;\
		7549	fill_canvas_no.push(fc);\
		7550	var obj = create_canvas%d(fc,xsize,ysize);\
		7551	var ctx = obj.getContext('2d');\
7614	schaersvoo	7552	var x;\
		7553	var y;\
		7554	ctx.lineWidth = linewidth;\
11820	schaersvoo	7555	ctx.fillStyle='rgba(255,255,255,0.01)';\
		7556	ctx.rect(0,0,xsize,ysize);\
		7557	ctx.fill();\
11088	schaersvoo	7558	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
11820	schaersvoo	7559	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
7614	schaersvoo	7560	y = ysize;\
11820	schaersvoo	7561	ctx.beginPath();\
		7562	for( x = 0 ; x < xsize ; x = x + dx ){\
		7563	ctx.moveTo(x,0);\
7614	schaersvoo	7564	ctx.lineTo(xsize,y);\
		7565	y = y - dy;\
		7566	};\
11820	schaersvoo	7567	y=0;\
7614	schaersvoo	7568	for( x = xsize ; x > 0 ; x = x - dx){\
		7569	ctx.moveTo(x,ysize);\
11820	schaersvoo	7570	ctx.lineTo(0,y);\
7614	schaersvoo	7571	y = y + dy;\
		7572	};\
11820	schaersvoo	7573	y = 0;\
		7574	for( x = 0 ; x < xsize ; x = x + dx ){\
		7575	ctx.moveTo(x,0);\
		7576	ctx.lineTo(0,y);\
		7577	y = y + dy;\
		7578	};\
		7579	y = 0;\
		7580	for( x = 0 ; x < xsize ; x = x + dx ){\
7614	schaersvoo	7581	ctx.moveTo(xsize,y);\
		7582	ctx.lineTo(x,ysize);\
11820	schaersvoo	7583	y = y + dy;\
7614	schaersvoo	7584	};\
11820	schaersvoo	7585	ctx.closePath();\
7614	schaersvoo	7586	ctx.stroke();\
11823	schaersvoo	7587	if( use_userdraw ){\
11827	schaersvoo	7588	diamond_fill_pattern = ctx;\
11823	schaersvoo	7589	}\
		7590	else\
		7591	{\
		7592	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};\
7614	schaersvoo	7593	return;\
11820	schaersvoo	7594	}",canvas_root_id,canvas_root_id);
7614	schaersvoo	7595	break;
8224	bpr	7596
7647	schaersvoo	7597	case DRAW_HATCHFILL:/* not used for userdraw */
13970	obado	7598	fprintf(js_include_file,"\n/* draw hatch fill */\n\
11827	schaersvoo	7599	var hatch_fill_pattern;\
11823	schaersvoo	7600	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
11820	schaersvoo	7601	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		7602	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		7603	var fc = %d+canvas_type;\
		7604	fill_canvas_no.push(fc);\
		7605	var obj = create_canvas%d(fc,xsize,ysize);\
		7606	var ctx = obj.getContext('2d');\
		7607	var x,y;\
		7608	ctx.fillStyle='rgba(255,255,255,0.01)';\
		7609	ctx.rect(0,0,xsize,ysize);\
		7610	ctx.fill();\
		7611	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
7647	schaersvoo	7612	ctx.lineWidth = linewidth;\
11088	schaersvoo	7613	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7647	schaersvoo	7614	y = ysize;\
11820	schaersvoo	7615	ctx.beginPath();\
		7616	for( x = 0 ; x < xsize ; x = x + dx ){\
		7617	ctx.moveTo(x,0);\
7647	schaersvoo	7618	ctx.lineTo(xsize,y);\
		7619	y = y - dy;\
		7620	};\
11820	schaersvoo	7621	y = 0;\
7647	schaersvoo	7622	for( x = xsize ; x >= dx ; x = x - dx){\
		7623	ctx.moveTo(x,ysize);\
11820	schaersvoo	7624	ctx.lineTo(0,y);\
7647	schaersvoo	7625	y = y + dy;\
		7626	};\
11820	schaersvoo	7627	ctx.closePath();\
7647	schaersvoo	7628	ctx.stroke();\
11823	schaersvoo	7629	if( use_userdraw ){\
		7630	hatch_fill_pattern = ctx;\
		7631	}\
		7632	else\
		7633	{\
		7634	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};\
7647	schaersvoo	7635	return;\
11820	schaersvoo	7636	};",canvas_root_id,canvas_root_id);
7647	schaersvoo	7637	break;
7614	schaersvoo	7638	case DRAW_CIRCLES:/* used for userdraw */
13970	obado	7639	fprintf(js_include_file,"\n/* draw circles */\n\
11874	schaersvoo	7640	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7641	var draw_circles = function(ctx,x_points,y_points,radius,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7642	ctx.save();\
8071	schaersvoo	7643	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7644	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7645	ctx.lineWidth = line_width;\
11839	schaersvoo	7646	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
14208	schaersvoo	7647	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
11874	schaersvoo	7648	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
11875	schaersvoo	7649	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
11088	schaersvoo	7650	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7651	for(var p = 0 ; p < x_points.length ; p++ ){\
		7652	ctx.beginPath();\
		7653	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		7654	ctx.closePath();\
11839	schaersvoo	7655	if(use_filled != 0 ){ctx.fill();};\
7614	schaersvoo	7656	ctx.stroke();\
		7657	}\
		7658	ctx.restore();\
		7659	return;\
7653	schaersvoo	7660	};");
7614	schaersvoo	7661	break;
14066	bpr	7662	case DRAW_POLYLINE:/* user for userdraw: draw lines through points */
13970	obado	7663	fprintf(js_include_file,"\n/* draw polyline */\n\
11874	schaersvoo	7664	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7665	var draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7663	schaersvoo	7666	ctx.save();\
8071	schaersvoo	7667	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	7668	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7669	ctx.lineWidth = line_width;\
11088	schaersvoo	7670	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7663	schaersvoo	7671	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7672	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7673	ctx.clearRect(0,0,xsize,ysize);\
		7674	ctx.beginPath();\
		7675	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		7676	ctx.moveTo(x_points[p],y_points[p]);\
		7677	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		7678	}\
		7679	ctx.closePath();\
		7680	ctx.stroke();\
		7681	for(var p = 0 ; p < x_points.length ; p++ ){\
		7682	ctx.beginPath();\
		7683	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		7684	ctx.closePath();ctx.fill();ctx.stroke();\
		7685	};\
		7686	ctx.restore();\
		7687	return;\
		7688	};");
		7689	break;
8224	bpr	7690
7614	schaersvoo	7691	case DRAW_SEGMENTS:/* used for userdraw */
13970	obado	7692	fprintf(js_include_file,"\n/* draw segments */\n\
8105	schaersvoo	7693	var draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7694	ctx.save();\
8071	schaersvoo	7695	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7696	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7697	ctx.lineWidth = line_width;\
11088	schaersvoo	7698	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7699	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7700	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7701	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		7702	ctx.beginPath();\
		7703	ctx.moveTo(x_points[p],y_points[p]);\
		7704	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		7705	ctx.closePath();\
		7706	ctx.stroke();\
		7707	}\
		7708	ctx.restore();\
		7709	return;\
		7710	};");
		7711	break;
8224	bpr	7712
7614	schaersvoo	7713	case DRAW_LINES:/* used for userdraw */
13970	obado	7714	fprintf(js_include_file,"\n/* draw lines */\n\
7614	schaersvoo	7715	function calc_line(x1,x2,y1,y2){\
		7716	var marge = 2;\
		7717	if(x1 < x2+marge && x1>x2-marge){\
		7718	return [x1,0,x1,ysize];\
		7719	};\
		7720	if(y1 < y2+marge && y1>y2-marge){\
		7721	return [0,y1,xsize,y1];\
		7722	};\
		7723	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		7724	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		7725	return [0,Y1,xsize,Y2];\
		7726	};\
8105	schaersvoo	7727	var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7728	ctx.save();\
		7729	var line = new Array(4);\
8071	schaersvoo	7730	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7731	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7732	ctx.lineWidth = line_width;\
11088	schaersvoo	7733	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7734	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7735	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7736	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		7737	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		7738	ctx.beginPath();\
		7739	ctx.moveTo(line[0],line[1]);\
		7740	ctx.lineTo(line[2],line[3]);\
		7741	ctx.closePath();\
		7742	ctx.stroke();\
		7743	}\
		7744	ctx.restore();\
		7745	return;\
		7746	};");
		7747	break;
		7748
8244	schaersvoo	7749	case DRAW_DEMILINES:/* used for userdraw */
13970	obado	7750	fprintf(js_include_file,"\n/* draw demilines */\n\
8244	schaersvoo	7751	function find_inf_point(x1,y1,x2,y2){\
		7752	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		7753	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		7754	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		7755	};\
		7756	var draw_demilines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
		7757	ctx.save();\
		7758	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		7759	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7760	ctx.lineWidth = line_width;\
11088	schaersvoo	7761	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8244	schaersvoo	7762	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7763	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7764	var pair = new Array(4);\
		7765	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		7766	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		7767	ctx.beginPath();\
		7768	ctx.moveTo(pair[0],pair[1]);\
		7769	ctx.lineTo(pair[2],pair[3]);\
		7770	ctx.closePath();\
		7771	ctx.stroke();\
		7772	}\
		7773	ctx.restore();\
		7774	return;\
		7775	};");
		7776	break;
		7777
7614	schaersvoo	7778	case DRAW_CROSSHAIRS:/* used for userdraw */
13970	obado	7779	fprintf(js_include_file,"\n/* draw crosshairs */\n\
8105	schaersvoo	7780	var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix){\
12311	schaersvoo	7781	ctx.save();\
8071	schaersvoo	7782	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7783	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7784	ctx.lineWidth = line_width;\
11088	schaersvoo	7785	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7786	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7787	var x1,x2,y1,y2;\
		7788	for(var p = 0 ; p < x_points.length ; p++ ){\
		7789	x1 = x_points[p] - crosshair_size;\
		7790	x2 = x_points[p] + crosshair_size;\
		7791	y1 = y_points[p] - crosshair_size;\
		7792	y2 = y_points[p] + crosshair_size;\
		7793	ctx.beginPath();\
		7794	ctx.moveTo(x1,y1);\
		7795	ctx.lineTo(x2,y2);\
		7796	ctx.closePath();\
		7797	ctx.stroke();\
		7798	ctx.beginPath();\
		7799	ctx.moveTo(x2,y1);\
		7800	ctx.lineTo(x1,y2);\
		7801	ctx.closePath();\
		7802	ctx.stroke();\
		7803	}\
		7804	ctx.restore();\
		7805	return;\
7653	schaersvoo	7806	};");
7614	schaersvoo	7807	break;
		7808
		7809	case DRAW_RECTS:/* used for userdraw */
13970	obado	7810	fprintf(js_include_file,"\n/* draw rects */\n\
11874	schaersvoo	7811	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7812	var draw_rects = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
12000	schaersvoo	7813	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
7614	schaersvoo	7814	ctx.save();\
8071	schaersvoo	7815	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7816	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7817	ctx.lineWidth = line_width;\
11088	schaersvoo	7818	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8448	schaersvoo	7819	ctx.strokeStyle = 'rgba('+stroke_color+','+stroke_opacity+')';\
7614	schaersvoo	7820	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
11875	schaersvoo	7821	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
7614	schaersvoo	7822	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		7823	ctx.beginPath();\
		7824	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		7825	ctx.closePath();\
11839	schaersvoo	7826	if(use_filled != 0 ){ctx.fill();}\
7614	schaersvoo	7827	ctx.stroke();\
		7828	};\
		7829	ctx.restore();\
		7830	return;\
7653	schaersvoo	7831	};");
7614	schaersvoo	7832	break;
		7833
		7834	case DRAW_ROUNDRECTS:/* used for userdraw */
13970	obado	7835	fprintf(js_include_file,"\n/* draw round rects */\n\
11874	schaersvoo	7836	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7837	var draw_roundrects = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_affine,affine_matrix){\
12000	schaersvoo	7838	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
7614	schaersvoo	7839	ctx.save();\
8071	schaersvoo	7840	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7841	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7842	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
9462	schaersvoo	7843	ctx.lineWidth = line_width;\
11088	schaersvoo	7844	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
11875	schaersvoo	7845	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
7614	schaersvoo	7846	var x,y,w,h,r;\
		7847	for(var p = 0; p < x_points.length; p = p+2){\
		7848	x = x_points[p];y = y_points[p];w = x_points[p+1] - x;h = y_points[p+1] - y;r = parseInt(0.1*w);\
		7849	ctx.beginPath();ctx.moveTo(x + r, y);\
		7850	ctx.lineTo(x + w - r, y);\
		7851	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		7852	ctx.lineTo(x + w, y + h - r);\
		7853	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		7854	ctx.lineTo(x + r, y + h);\
		7855	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		7856	ctx.lineTo(x, y + r);\
		7857	ctx.quadraticCurveTo(x, y, x + r, y);\
		7858	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		7859	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11839	schaersvoo	7860	if( use_filled != 0 ){ctx.fill();};\
7614	schaersvoo	7861	ctx.stroke();\
		7862	}\
		7863	ctx.restore();\
7653	schaersvoo	7864	};");
8224	bpr	7865	break;
7614	schaersvoo	7866
		7867	case DRAW_ELLIPSES:/* not used for userdraw */
13970	obado	7868	fprintf(js_include_file,"\n/* draw ellipses */\n\
11874	schaersvoo	7869	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7870	var draw_ellipses = function(canvas_type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7871	var obj;\
		7872	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7873	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7874	}\
		7875	else\
		7876	{\
		7877	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7878	};\
		7879	var ctx = obj.getContext(\"2d\");\
		7880	ctx.save();\
8071	schaersvoo	7881	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7882	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
11875	schaersvoo	7883	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
7614	schaersvoo	7884	var cx,cy,ry,rx;\
		7885	ctx.lineWidth = line_width;\
11088	schaersvoo	7886	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7887	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7888	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7889	for(var p=0;p< x_points.length;p = p+2){\
		7890	ctx.beginPath();\
		7891	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		7892	ctx.translate(cx - rx, cy - ry);\
		7893	ctx.scale(rx, ry);\
		7894	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
11839	schaersvoo	7895	if( use_filled != 0 ){ctx.fill();}\
7614	schaersvoo	7896	ctx.stroke();\
		7897	};\
		7898	ctx.restore();\
7653	schaersvoo	7899	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	7900	break;
		7901
		7902	case DRAW_PATHS: /* used for userdraw */
13970	obado	7903	fprintf(js_include_file,"\n/* draw paths */\n\
11874	schaersvoo	7904	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	7905	var draw_paths = function(ctx,x_points,y_points,line_width,closed_path,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7906	ctx.save();\
8071	schaersvoo	7907	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7908	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7909	ctx.lineWidth = line_width;\
11088	schaersvoo	7910	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7911	ctx.lineJoin = \"round\";\
		7912	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11874	schaersvoo	7913	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
11875	schaersvoo	7914	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
7614	schaersvoo	7915	ctx.beginPath();\
		7916	ctx.moveTo(x_points[0],y_points[0]);\
		7917	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		7918	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		7919	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
11839	schaersvoo	7920	if(use_filled != 0){ctx.fill();}\
7614	schaersvoo	7921	ctx.stroke();\
		7922	ctx.restore();\
		7923	return;\
		7924	};");
8224	bpr	7925
7614	schaersvoo	7926	break;
		7927	case DRAW_ARROWS:/* used for userdraw */
13970	obado	7928	fprintf(js_include_file,"\n/* draw arrows */\n\
8105	schaersvoo	7929	var draw_arrows = function(ctx,x_points,y_points,arrow_head,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,type,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	7930	ctx.save();\
8071	schaersvoo	7931	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7932	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7933	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7934	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7935	ctx.lineWidth = line_width;\
11088	schaersvoo	7936	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7937	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7938	ctx.lineCap = \"round\";\
		7939	var x1,y1,x2,y2,dx,dy,len;\
		7940	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	7941	ctx.save();\
7614	schaersvoo	7942	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		7943	len = Math.sqrt(dxdx+dydy);\
		7944	ctx.translate(x2,y2);\
		7945	ctx.rotate(Math.atan2(dy,dx));\
		7946	ctx.lineCap = \"round\";\
		7947	ctx.beginPath();\
		7948	ctx.moveTo(0,0);\
		7949	ctx.lineTo(-len,0);\
		7950	ctx.closePath();\
		7951	ctx.stroke();\
		7952	ctx.beginPath();\
		7953	ctx.moveTo(0,0);\
		7954	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		7955	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		7956	ctx.closePath();\
		7957	ctx.fill();\
7874	schaersvoo	7958	ctx.restore();\
7614	schaersvoo	7959	if( type == 2 ){\
		7960	ctx.save();\
		7961	ctx.translate(x1,y1);\
		7962	ctx.rotate(Math.atan2(-dy,-dx));\
		7963	ctx.beginPath();\
		7964	ctx.moveTo(0,0);\
8347	schaersvoo	7965	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		7966	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	7967	ctx.closePath();\
		7968	ctx.stroke();\
		7969	ctx.fill();\
7874	schaersvoo	7970	ctx.restore();\
8379	schaersvoo	7971	};\
		7972	};\
7614	schaersvoo	7973	ctx.restore();\
		7974	return;\
7653	schaersvoo	7975	};");
7614	schaersvoo	7976	break;
		7977
		7978	case DRAW_VIDEO:/* not used for userdraw */
13970	obado	7979	fprintf(js_include_file,"\n/* draw video */\n\
8105	schaersvoo	7980	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	7981	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7982	var video_div = document.createElement(\"div\");\
		7983	canvas_div.appendChild(video_div);\
		7984	video_div.style.position = \"absolute\";\
		7985	video_div.style.left = x+\"px\";\
		7986	video_div.style.top = y+\"px\";\
		7987	video_div.style.width = w+\"px\";\
		7988	video_div.style.height = h+\"px\";\
		7989	var video = document.createElement(\"video\");\
		7990	video_div.appendChild(video);\
		7991	video.style.width = w+\"px\";\
		7992	video.style.height = h+\"px\";\
		7993	video.autobuffer = true;\
		7994	video.controls = true;video.autoplay = false;\
		7995	var src = document.createElement(\"source\");\
		7996	src.type = \"video/mp4\";\
		7997	src.src = URL;\
		7998	video.appendChild(src);\
		7999	video.load();\
		8000	return;\
8224	bpr	8001	};");
7614	schaersvoo	8002	break;
8224	bpr	8003
7614	schaersvoo	8004	case DRAW_AUDIO:/* not used for userdraw */
13970	obado	8005	fprintf(js_include_file,"\n/* draw audio */\n\
8105	schaersvoo	8006	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	8007	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		8008	var audio_div = document.createElement(\"div\");\
		8009	canvas_div.appendChild(audio_div);\
		8010	audio_div.style.position = \"absolute\";\
		8011	audio_div.style.left = x+\"px\";\
		8012	audio_div.style.top = y+\"px\";\
		8013	audio_div.style.width = w+\"px\";\
		8014	audio_div.style.height = h+\"px\";\
		8015	var audio = document.createElement(\"audio\");\
		8016	audio_div.appendChild(audio);\
		8017	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		8018	audio.autobuffer = true;\
8379	schaersvoo	8019	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
		8020	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
7614	schaersvoo	8021	var src1 = document.createElement(\"source\");\
		8022	src1.type = \"audio/ogg\";\
		8023	src1.src = URL1;\
		8024	audio.appendChild(src1);\
		8025	var src2 = document.createElement(\"source\");\
		8026	src2.type = \"audio/mpeg\";\
		8027	src2.src = URL2;\
		8028	audio.appendChild(src2);\
		8029	audio.load();\
		8030	return;\
7653	schaersvoo	8031	};");
7614	schaersvoo	8032	break;
8224	bpr	8033
7614	schaersvoo	8034	case DRAW_HTTP:/* not used for userdraw */
13970	obado	8035	fprintf(js_include_file,"\n/* draw http */\n\
8105	schaersvoo	8036	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	8037	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		8038	var http_div = document.createElement(\"div\");\
		8039	var iframe = document.createElement(\"iframe\");\
		8040	canvas_div.appendChild(http_div);\
		8041	http_div.appendChild(iframe);\
		8042	iframe.src = URL;\
		8043	iframe.setAttribute(\"width\",w);\
		8044	iframe.setAttribute(\"height\",h);\
		8045	return;\
7653	schaersvoo	8046	};");
7614	schaersvoo	8047	break;
8224	bpr	8048
13829	bpr	8049	case DRAW_XML: /*
14066	bpr	8050	onclick=1: click
14062	schaersvoo	8051	onclick=2 drag ==> always centered (use_offset=4)
11238	schaersvoo	8052	xy:drag_type = 0;
		8053	x: drag_type = 1;
		8054	y: drag_type = 2;
		8055	*/
		8056
13970	obado	8057	fprintf(js_include_file,"\n/* draw xml */\n\
14044	schaersvoo	8058	var draw_xml = function(canvas_root_id,x,y,mathml,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity,centered,use_snap){\
7614	schaersvoo	8059	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		8060	var xml_div = document.createElement(\"div\");\
		8061	canvas_div.appendChild(xml_div);\
		8062	xml_div.innerHTML = mathml;\
14038	schaersvoo	8063	xml_div.style.position = \"absolute\"; xml_div.style.left = x+\"px\";xml_div.style.top = y+\"px\";\
		8064	var factor = 1;\
		8065	if( centered > 0 ){ factor = 0.5;};\
		8066	var xml_div_width = factor*(parseInt(window.getComputedStyle(xml_div).width , 10));\
		8067	var xml_div_height = factor*(parseInt(window.getComputedStyle(xml_div).height ,10));\
8379	schaersvoo	8068	xml_div.style.color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11745	schaersvoo	8069	var color_org = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11756	schaersvoo	8070	var back_color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		8071	var no_color = \"rgba(255,255,255,0)\";\
11745	schaersvoo	8072	var dragging = false;\
11747	schaersvoo	8073	if( onclick == 2 ){reply[click_cnt] = px2x(x)+','+px2y(y);};\
		8074	if( onclick == 1 ){reply[click_cnt] = 0;};\
		8075	if( onclick == 2 ){\
		8076	xml_div.onclick = function(){\
11756	schaersvoo	8077	canvas_div.onclick = function(evt){if(dragging){dragging = false;xml_div.style.color = color_org; xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.color = 'red';xml_div.style.backgroundColor = back_color;};};\
11747	schaersvoo	8078	canvas_div.onmousemove = function(evt){\
		8079	if(!dragging){return;};\
		8080	var x1;var y1;\
		8081	var mouse = dragstuff.getMouse(evt,xml_div);\
14044	schaersvoo	8082	var xy = multisnap_check(mouse.x,mouse.y,use_snap);\
11747	schaersvoo	8083	switch(drag_type){\
14044	schaersvoo	8084	case 0: x1 = xy[0]-xml_div_width;y1=xy[1]-xml_div_height;break;\
		8085	case 1: x1 = xy[0]-xml_div_width;y1 = y;break;\
		8086	case 2: x1 = x;y1 = xy[1]-xml_div_height;break;\
		8087	default:x1 = xy[0];y1 = xy[1]; break;\
11747	schaersvoo	8088	};\
		8089	xml_div.style.left = x1 + 'px';xml_div.style.top = y1 + 'px';\
14062	schaersvoo	8090	reply[click_cnt] = px2x(xy[0])+','+px2y(xy[1]);\
11238	schaersvoo	8091	};\
7614	schaersvoo	8092	};\
11238	schaersvoo	8093	};\
		8094	if(onclick == 1){\
11747	schaersvoo	8095	xml_div.onclick = function(){\
11756	schaersvoo	8096	if(reply[click_cnt] == 0){ reply[click_cnt] = 1; xml_div.style.color = 'red';xml_div.style.backgroundColor = back_color;}else{reply[click_cnt] = 0;xml_div.style.color = color_org;xml_div.style.backgroundColor = no_color;};};\
7614	schaersvoo	8097	};\
		8098	return;\
11745	schaersvoo	8099	};");
7614	schaersvoo	8100	break;
7654	schaersvoo	8101	case DRAW_SGRAPH:
8224	bpr	8102	/*
7654	schaersvoo	8103	xstart = given
		8104	ystart = given
		8105	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		8106	*/
13970	obado	8107	fprintf(js_include_file,"\n/* draw sgraph */\n\
8105	schaersvoo	8108	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	8109	var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{ obj = create_canvas%d(canvas_type,xsize,ysize);};\
		8110	var ctx = obj.getContext(\"2d\");\
		8111	ctx.font = fontfamily;\
		8112	var minor_opacity = 0.8*opacity;\
		8113	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	8114	var zero_x = 0.1*xsize;\
		8115	var zero_y = 0.9*ysize;\
8129	schaersvoo	8116	var snor_x;var snor_y;\
7654	schaersvoo	8117	if( xstart != xmin){\
7658	schaersvoo	8118	snor_x = 0.1*xsize;\
		8119	}\
		8120	else\
		8121	{\
		8122	snor_x = 0;\
		8123	xstart = xmin;\
		8124	};\
		8125	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		8126	ctx.lineWidth = 2;\
		8127	ctx.beginPath();\
		8128	ctx.moveTo(xsize,zero_y);\
		8129	ctx.lineTo(zero_x,zero_y);\
		8130	ctx.lineTo(zero_x,0);\
		8131	ctx.stroke();\
		8132	ctx.closePath();\
		8133	ctx.beginPath();\
		8134	ctx.moveTo(zero_x,zero_y);\
		8135	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		8136	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		8137	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		8138	ctx.lineTo(zero_x + snor_x,zero_y);\
		8139	ctx.stroke();\
		8140	ctx.closePath();\
		8141	ctx.beginPath();\
		8142	var num = xstart;\
7660	schaersvoo	8143	var flipflop = 1;\
7658	schaersvoo	8144	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	8145	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	8146	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	8147	txtsize = ctx.measureText(num).width;\
		8148	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		8149	if( flipflop == 1){\
		8150	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		8151	}\
		8152	else\
		8153	{\
		8154	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
8379	schaersvoo	8155	};\
7976	schaersvoo	8156	num = num + xmajor;\
7658	schaersvoo	8157	};\
		8158	ctx.stroke();\
		8159	ctx.closePath();\
		8160	ctx.lineWidth = 1;\
		8161	ctx.beginPath();\
		8162	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		8163	ctx.moveTo(x,zero_y);\
		8164	ctx.lineTo(x,0);\
		8165	};\
		8166	ctx.stroke();\
		8167	ctx.closePath();\
		8168	if( xminor > 1){\
		8169	ctx.lineWidth = 0.5;\
		8170	ctx.beginPath();\
		8171	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		8172	var minor_step_x = step_x / xminor;\
		8173	var nx;\
		8174	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		8175	num = 1;\
		8176	for(var p = 1 ; p < xminor ; p++){\
		8177	nx = x + num*minor_step_x;\
		8178	ctx.moveTo(nx,zero_y);\
		8179	ctx.lineTo(nx,0);\
		8180	num++;\
		8181	};\
		8182	};\
		8183	ctx.stroke();\
		8184	ctx.closePath();\
		8185	ctx.beginPath();\
		8186	ctx.lineWidth = 2;\
		8187	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		8188	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		8189	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		8190	};\
		8191	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		8192	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		8193	};\
		8194	ctx.stroke();\
		8195	ctx.closePath();\
		8196	ctx.lineWidth = 0.5;\
		8197	};\
		8198	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		8199	if( ystart != ymin){\
		8200	snor_y = 0.1*ysize;\
		8201	}\
		8202	else\
		8203	{\
		8204	snor_y = 0;\
		8205	ystart = ymin;\
		8206	};\
		8207	ctx.lineWidth = 2;\
		8208	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		8209	ctx.beginPath();\
		8210	ctx.moveTo(zero_x,zero_y);\
		8211	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		8212	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		8213	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		8214	ctx.lineTo(zero_x,zero_y - snor_y);\
		8215	ctx.stroke();\
		8216	ctx.closePath();\
		8217	ctx.beginPath();\
		8218	ctx.lineWidth = 1;\
		8219	num = ystart;\
		8220	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		8221	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		8222	ctx.moveTo(zero_x,y);\
		8223	ctx.lineTo(xsize,y);\
		8224	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		8225	num = num + ymajor;\
		8226	};\
		8227	ctx.stroke();\
		8228	ctx.closePath();\
		8229	if( yminor > 1){\
		8230	ctx.lineWidth = 0.5;\
		8231	ctx.beginPath();\
		8232	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		8233	var minor_step_y = step_y / yminor;\
		8234	var ny;\
		8235	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		8236	num = 1;\
		8237	for(var p = 1 ;p < yminor;p++){\
		8238	ny = y + num*minor_step_y;\
		8239	ctx.moveTo(zero_x,ny);\
		8240	ctx.lineTo(xsize,ny);\
		8241	num++;\
		8242	};\
		8243	};\
		8244	ctx.stroke();\
		8245	ctx.closePath();\
		8246	ctx.lineWidth = 2;\
		8247	ctx.beginPath();\
		8248	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		8249	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		8250	ctx.moveTo(zero_x,y);\
		8251	ctx.lineTo(zero_x+12,y);\
		8252	};\
		8253	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		8254	ctx.moveTo(zero_x,y);\
		8255	ctx.lineTo(zero_x+6,y);\
		8256	};\
		8257	ctx.stroke();\
		8258	ctx.closePath();\
		8259	};\
		8260	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
11088	schaersvoo	8261	if( typeof(legend%d) !== 'undefined' ){\
7654	schaersvoo	8262	ctx.globalAlpha = 1.0;\
		8263	var y_offset = 2*font_size;\
		8264	var txt;var txt_size;\
		8265	var x_offset = xsize - 2*font_size;\
		8266	var l_length = legend%d.length;var barcolor = new Array();\
11088	schaersvoo	8267	if( typeof(legendcolors%d) !== 'undefined' ){\
7654	schaersvoo	8268	for(var p = 0 ; p < l_length ; p++){\
		8269	barcolor[p] = legendcolors%d[p];\
		8270	};\
		8271	}else{\
		8272	if( barcolor.length == 0 ){\
		8273	for(var p = 0 ; p < l_length ; p++){\
		8274	barcolor[p] = stroke_color;\
		8275	};\
		8276	};\
		8277	};\
		8278	for(var p = 0; p < l_length; p++){\
		8279	ctx.fillStyle = barcolor[p];\
		8280	txt = legend%d[p];\
		8281	txt_size = ctx.measureText(txt).width;\
		8282	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		8283	y_offset = parseInt(y_offset + 1.5*font_size);\
		8284	};\
		8285	};\
11088	schaersvoo	8286	if( typeof(xaxislabel) !== 'undefined' ){\
7658	schaersvoo	8287	ctx.fillStyle = \'#000000\';\
		8288	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		8289	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		8290	};\
11088	schaersvoo	8291	if( typeof(yaxislabel) !== 'undefined'){\
7658	schaersvoo	8292	ctx.save();\
		8293	ctx.fillStyle = \'#000000\';\
		8294	var txt_size = ctx.measureText(yaxislabel).width;\
		8295	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		8296	ctx.rotate(-0.5*Math.PI);\
		8297	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	8298	ctx.restore();\
7658	schaersvoo	8299	};\
7654	schaersvoo	8300	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		8301	break;
11890	schaersvoo	8302	case DRAW_NUMBERLINE:
13970	obado	8303	fprintf(js_include_file,"\n/* draw numberline */\n\
11996	schaersvoo	8304	var draw_numberline = function(canvas_type,use_axis_numbering,x0,x1,xmajor,xminor,y0,y1,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor,precision){\
11890	schaersvoo	8305	var obj = create_canvas%d(canvas_type,xsize,ysize);\
		8306	var ctx = obj.getContext(\"2d\");\
		8307	ctx.lineWidth = linewidth \|\| 1;\
		8308	ctx.strokeStyle = \"rgba(\"+strokecolor+\",\"+strokeopacity+\")\";\
		8309	ctx.font = fontfamily \|\| 'Ariel 12px';\
		8310	var fontsize = parseInt(ctx.font);\
		8311	ctx.fillStyle = \"rgba(\"+fontcolor+\",\"+strokeopacity+\")\";\
		8312	x1 = x2px(x1);\
		8313	x0 = x2px(x0);\
		8314	y0 = y2px(y0);\
		8315	y1 = y2px(y1);\
		8316	var sub_devision = -1;\
		8317	if( xminor%%2 == 0 ){ sub_devision = xminor/2; };\
11892	schaersvoo	8318	var ybase1 = parseInt( y0 + fontsize + 2 );\
		8319	var ybase2 = parseInt( ybase1 + fontsize + 2 );\
11890	schaersvoo	8320	var yh = Math.abs(parseInt( y0 - 0.3*(y0 -y1)));\
		8321	var ys = Math.abs(parseInt( y0 - 0.6*(y0 -y1)));\
		8322	xmajor = x2px(xmajor) - x2px(0);\
		8323	var i;var len;var p;\
		8324	xminor = xmajor / xminor;\
		8325	ctx.beginPath();\
		8326	for(p = x0 ; p < x1 ; p = p + xmajor){\
		8327	ctx.moveTo(p,y0);ctx.lineTo(p,y1);i = 0;\
		8328	for(var s = p ; s < p + xmajor ; s = s + xminor ){\
		8329	ctx.moveTo(s,y0);\
		8330	if( sub_devision == i){ ctx.lineTo(s,ys); } else { ctx.lineTo(s,yh); };\
		8331	i++;\
		8332	};\
		8333	};\
		8334	ctx.moveTo(p,y0);ctx.lineTo(p,y1);\
		8335	ctx.closePath();\
		8336	ctx.stroke();\
11996	schaersvoo	8337	if( use_axis_numbering >-1 ){\
11891	schaersvoo	8338	var str = x_strings[use_axis_numbering];\
		8339	len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
11892	schaersvoo	8340	var corr;var x_nums;var x_text;var flipflop = 0;var off = ybase1;\
11890	schaersvoo	8341	ctx.beginPath();\
11891	schaersvoo	8342	if( x_strings_up[use_axis_numbering] == null){\
11890	schaersvoo	8343	for(var p = 0 ; p < len ; p = p+2){\
11891	schaersvoo	8344	var x_nums = x2px(eval(str[p]));\
		8345	var x_text = str[p+1];\
11890	schaersvoo	8346	corr = ctx.measureText(x_text).width;\
11892	schaersvoo	8347	if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
11996	schaersvoo	8348	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),off);\
11890	schaersvoo	8349	};\
		8350	}\
		8351	else\
		8352	{\
		8353	for(var p = 0 ; p < len ; p = p+2){\
11891	schaersvoo	8354	x_nums = x2px(eval(str[p]));\
		8355	x_text = str[p+1];\
11892	schaersvoo	8356	corr = ctx.measureText(x_text).width + ybase1 - fontsize;\
11890	schaersvoo	8357	ctx.save();\
		8358	ctx.translate(x_nums+0.5*fontsize, corr);\
		8359	ctx.rotate(-1.5708);\
		8360	ctx.fillText(x_text,0,0);\
		8361	ctx.restore();\
		8362	};\
		8363	}\
		8364	}\
		8365	else\
		8366	{\
11892	schaersvoo	8367	var corr;var num;var flipflop = 0;var off = ybase1;\
		8368	var prec = parseInt(Math.log(precision)/Math.log(10));\
11890	schaersvoo	8369	for(var p = x0 ; p < x1+xmajor ; p = p+xmajor){\
11892	schaersvoo	8370	num = (px2x(p)).toFixed(prec);\
11996	schaersvoo	8371	corr = ctx.measureText(num).width;\
11892	schaersvoo	8372	if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
11996	schaersvoo	8373	ctx.fillText(num,parseInt(p - 0.5*corr),off);\
11890	schaersvoo	8374	};\
		8375	};\
		8376	};",canvas_root_id);
		8377	break;
7614	schaersvoo	8378	case DRAW_GRID:/* not used for userdraw */
13970	obado	8379	fprintf(js_include_file,"\n/* draw grid */\n\
8105	schaersvoo	8380	var draw_grid%d = function(canvas_type,precision,stroke_opacity,xmajor,ymajor,xminor,yminor,tics_length,line_width,stroke_color,axis_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_affine,affine_matrix,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
7988	schaersvoo	8381	var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{obj = create_canvas%d(canvas_type,xsize,ysize);};\
		8382	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	8383	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		8384	ctx.save();\
8071	schaersvoo	8385	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	8386	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		8387	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8388	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		8389	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		8390	ctx.font = font_family;\
7988	schaersvoo	8391	var barcolor = new Array();\
7614	schaersvoo	8392	var xstep = xsize*xmajor/(xmax - xmin);\
		8393	var ystep = ysize*ymajor/(ymax - ymin);\
		8394	var x2step = xstep / xminor;\
		8395	var y2step = ystep / yminor;\
7996	schaersvoo	8396	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		8397	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		8398	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
11088	schaersvoo	8399	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8400	ctx.beginPath();\
		8401	ctx.lineWidth = line_width;\
		8402	ctx.strokeStyle = stroke_color;\
		8403	for(var p = zero_x ; p < xsize; p = p + xstep){\
		8404	ctx.moveTo(p,0);\
		8405	ctx.lineTo(p,ysize);\
		8406	};\
		8407	for(var p = zero_x ; p > 0; p = p - xstep){\
		8408	ctx.moveTo(p,0);\
		8409	ctx.lineTo(p,ysize);\
		8410	};\
		8411	for(var p = zero_y ; p < ysize; p = p + ystep){\
		8412	ctx.moveTo(0,p);\
		8413	ctx.lineTo(xsize,p);\
		8414	};\
		8415	for(var p = zero_y ; p > 0; p = p - ystep){\
		8416	ctx.moveTo(0,p);\
		8417	ctx.lineTo(xsize,p);\
		8418	};\
11088	schaersvoo	8419	if( typeof(xaxislabel) !== 'undefined' ){\
7614	schaersvoo	8420	ctx.save();\
		8421	ctx.font = \"italic \"+font_size+\"px Ariel\";\
12007	schaersvoo	8422	var corr = parseInt(1.1*ctx.measureText(xaxislabel).width);\
		8423	ctx.fillText(xaxislabel,xsize - corr,zero_y - tics_length - 0.4*font_size);\
7614	schaersvoo	8424	ctx.restore();\
		8425	};\
11088	schaersvoo	8426	if( typeof(yaxislabel) !== 'undefined' ){\
7614	schaersvoo	8427	ctx.save();\
		8428	ctx.font = \"italic \"+font_size+\"px Ariel\";\
12007	schaersvoo	8429	var corr = parseInt(ctx.measureText(yaxislabel).width + font_size);\
		8430	ctx.translate(zero_x+tics_length + font_size,corr);\
7614	schaersvoo	8431	ctx.rotate(-0.5*Math.PI);\
		8432	ctx.fillText(yaxislabel,0,0);\
		8433	ctx.restore();\
		8434	};\
		8435	ctx.stroke();\
		8436	ctx.closePath();\
		8437	if( use_axis == 1 ){\
7988	schaersvoo	8438	ctx.save();\
7614	schaersvoo	8439	ctx.beginPath();\
		8440	ctx.strokeStyle = stroke_color;\
		8441	ctx.lineWidth = 0.6*line_width;\
		8442	for(var p = zero_x ; p < xsize; p = p + x2step){\
		8443	ctx.moveTo(p,0);\
		8444	ctx.lineTo(p,ysize);\
		8445	};\
		8446	for(var p = zero_x ; p > 0; p = p - x2step){\
		8447	ctx.moveTo(p,0);\
		8448	ctx.lineTo(p,ysize);\
		8449	};\
		8450	for(var p = zero_y ; p < ysize; p = p + y2step){\
		8451	ctx.moveTo(0,p);\
		8452	ctx.lineTo(xsize,p);\
		8453	};\
		8454	for(var p = zero_y ; p > 0; p = p - y2step){\
		8455	ctx.moveTo(0,p);\
		8456	ctx.lineTo(xsize,p);\
		8457	};\
		8458	ctx.stroke();\
		8459	ctx.closePath();\
		8460	ctx.beginPath();\
		8461	ctx.lineWidth = 2*line_width;\
		8462	ctx.strokeStyle = axis_color;\
		8463	ctx.moveTo(0,zero_y);\
		8464	ctx.lineTo(xsize,zero_y);\
		8465	ctx.moveTo(zero_x,0);\
		8466	ctx.lineTo(zero_x,ysize);\
		8467	ctx.stroke();\
		8468	ctx.closePath();\
		8469	ctx.lineWidth = line_width+0.5;\
		8470	ctx.beginPath();\
		8471	for(var p = zero_x ; p < xsize; p = p + xstep){\
		8472	ctx.moveTo(p,zero_y-tics_length);\
		8473	ctx.lineTo(p,zero_y+tics_length);\
		8474	};\
		8475	for(var p = zero_x ; p > 0; p = p - xstep){\
		8476	ctx.moveTo(p,zero_y-tics_length);\
		8477	ctx.lineTo(p,zero_y+tics_length);\
		8478	};\
		8479	for(var p = zero_y ; p < ysize; p = p + ystep){\
		8480	ctx.moveTo(zero_x-tics_length,p);\
		8481	ctx.lineTo(zero_x+tics_length,p);\
		8482	};\
		8483	for(var p = zero_y ; p > 0; p = p - ystep){\
		8484	ctx.moveTo(zero_x-tics_length,p);\
		8485	ctx.lineTo(zero_x+tics_length,p);\
		8486	};\
		8487	for(var p = zero_x ; p < xsize; p = p + x2step){\
		8488	ctx.moveTo(p,zero_y-0.5*tics_length);\
		8489	ctx.lineTo(p,zero_y+0.5*tics_length);\
		8490	};\
		8491	for(var p = zero_x ; p > 0; p = p - x2step){\
		8492	ctx.moveTo(p,zero_y-0.5*tics_length);\
		8493	ctx.lineTo(p,zero_y+0.5*tics_length);\
		8494	};\
		8495	for(var p = zero_y ; p < ysize; p = p + y2step){\
		8496	ctx.moveTo(zero_x-0.5*tics_length,p);\
		8497	ctx.lineTo(zero_x+0.5*tics_length,p);\
		8498	};\
		8499	for(var p = zero_y ; p > 0; p = p - y2step){\
		8500	ctx.moveTo(zero_x-0.5*tics_length,p);\
		8501	ctx.lineTo(zero_x+0.5*tics_length,p);\
		8502	};\
		8503	ctx.stroke();\
		8504	ctx.closePath();\
7988	schaersvoo	8505	ctx.restore();\
		8506	};\
11891	schaersvoo	8507	if( use_axis_numbering != -1 ){\
7988	schaersvoo	8508	ctx.save();\
		8509	ctx.fillColor = axis_color;\
8110	schaersvoo	8510	ctx.strokeStyle = axis_color;\
		8511	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	8512	ctx.font = font_family;\
		8513	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
11891	schaersvoo	8514	if( x_strings[use_axis_numbering] != null ){\
		8515	var str = x_strings[use_axis_numbering];\
		8516	var len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	8517	ctx.beginPath();\
11891	schaersvoo	8518	if( x_strings_up[use_axis_numbering] == null){\
9341	schaersvoo	8519	for(var p = 0 ; p < len ; p = p+2){\
11891	schaersvoo	8520	var x_nums = x2px(eval(str[p]));\
		8521	var x_text = str[p+1];\
9341	schaersvoo	8522	corr = ctx.measureText(x_text).width;\
		8523	skip = 1.2*corr/xstep;\
		8524	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		8525	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		8526	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		8527	ctx.moveTo(x_nums,zero_y - tics_length);\
		8528	ctx.lineTo(x_nums,zero_y + tics_length);\
		8529	};\
		8530	}\
		8531	else\
		8532	{\
		8533	for(var p = 0 ; p < len ; p = p+2){\
11891	schaersvoo	8534	var x_nums = x2px(eval(str[p]));\
		8535	var x_text = str[p+1];\
9341	schaersvoo	8536	corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
		8537	if( corr > ysize ){corr = ysize;};\
		8538	ctx.save();\
9346	schaersvoo	8539	ctx.translate(x_nums+0.25*font_size, corr);\
9341	schaersvoo	8540	ctx.rotate(-1.5708);\
		8541	ctx.fillText(x_text,0,0);\
		8542	ctx.restore();\
		8543	ctx.moveTo(x_nums,zero_y - tics_length);\
		8544	ctx.lineTo(x_nums,zero_y + tics_length);\
		8545	};\
7988	schaersvoo	8546	};\
8110	schaersvoo	8547	ctx.closePath();\
7988	schaersvoo	8548	}\
		8549	else\
		8550	{\
		8551	skip = 1;cnt = px2x(zero_x);\
		8552	prec = Math.log(precision)/(Math.log(10));\
		8553	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		8554	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		8555	if(skip == 0 ){\
7990	schaersvoo	8556	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	8557	corr = ctx.measureText(disp_cnt).width;\
		8558	skip = parseInt(1.2*corr/xstep);\
		8559	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	8560	}\
7988	schaersvoo	8561	else\
		8562	{\
		8563	skip--;\
7614	schaersvoo	8564	};\
7988	schaersvoo	8565	cnt = cnt + xmajor;\
7614	schaersvoo	8566	};\
7988	schaersvoo	8567	cnt = px2x(zero_x);skip = 1;\
		8568	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		8569	if(skip == 0 ){\
7990	schaersvoo	8570	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	8571	corr = ctx.measureText(disp_cnt).width;\
		8572	skip = parseInt(1.2*corr/xstep);\
		8573	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		8574	}\
		8575	else\
		8576	{\
		8577	skip--;\
7614	schaersvoo	8578	};\
7988	schaersvoo	8579	cnt = cnt - xmajor;\
7614	schaersvoo	8580	};\
		8581	};\
7988	schaersvoo	8582	if( y_strings != null ){\
		8583	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	8584	ctx.beginPath();\
7988	schaersvoo	8585	for(var p = 0 ; p < len ; p = p+2){\
		8586	var y_nums = y2px(eval(y_strings[p]));\
		8587	var y_text = y_strings[p+1];\
		8588	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		8589	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	8590	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		8591	ctx.moveTo(zero_x - tics_length,y_nums);\
		8592	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	8593	};\
8110	schaersvoo	8594	ctx.closePath();\
7988	schaersvoo	8595	}\
		8596	else\
		8597	{\
7991	schaersvoo	8598	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	8599	cnt = px2y(zero_y);skip = 1;\
		8600	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		8601	if(skip == 0 ){\
		8602	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	8603	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	8604	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		8605	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		8606	}\
		8607	else\
		8608	{\
		8609	skip--;\
		8610	};\
		8611	cnt = cnt - ymajor;\
7614	schaersvoo	8612	};\
7988	schaersvoo	8613	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	8614	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	8615	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		8616	if(skip == 0 ){\
		8617	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	8618	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	8619	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		8620	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		8621	}\
		8622	else\
		8623	{\
		8624	skip--;\
		8625	};\
		8626	cnt = cnt + ymajor;\
7614	schaersvoo	8627	};\
		8628	};\
7988	schaersvoo	8629	ctx.stroke();\
7614	schaersvoo	8630	ctx.restore();\
		8631	};\
11088	schaersvoo	8632	if( typeof(legend0) !== 'undefined' ){\
7988	schaersvoo	8633	ctx.save();\
7614	schaersvoo	8634	ctx.globalAlpha = 1.0;\
		8635	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		8636	var y_offset = 2*font_size;\
		8637	var txt;var txt_size;\
		8638	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	8639	var l_length = legend0.length;\
11088	schaersvoo	8640	if( typeof(legendcolors0) !== 'undefined' ){\
7614	schaersvoo	8641	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	8642	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	8643	};\
7988	schaersvoo	8644	}\
		8645	else\
		8646	{\
7614	schaersvoo	8647	if( barcolor.length == 0 ){\
		8648	for(var p = 0 ; p < l_length ; p++){\
		8649	barcolor[p] = stroke_color;\
		8650	};\
		8651	};\
		8652	};\
		8653	for(var p = 0; p < l_length; p++){\
		8654	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	8655	txt = legend0[p];\
7614	schaersvoo	8656	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	8657	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	8658	y_offset = parseInt(y_offset + 1.5*font_size);\
		8659	};\
7988	schaersvoo	8660	ctx.restore();\
7614	schaersvoo	8661	};\
11088	schaersvoo	8662	if( typeof(barchart_0) !== 'undefined' ){\
7991	schaersvoo	8663	ctx.save();\
		8664	var num_barcharts = 0;\
		8665	var bar_name = eval('barchart_0');\
11088	schaersvoo	8666	while( typeof(bar_name) !== 'undefined' ){\
7991	schaersvoo	8667	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		8668	};\
9346	schaersvoo	8669	var bar_width = parseInt(0.8*x2step/(num_barcharts));\
7991	schaersvoo	8670	for(var i=0 ; i< num_barcharts ; i++){\
		8671	bar_name = eval('barchart_'+i);\
		8672	var bar_x = new Array();\
		8673	var bar_y = new Array();\
		8674	var lb = bar_name.length;\
		8675	var idx = 0;\
		8676	var dx = parseInt(0.5ibar_width);\
		8677	for( var p = 0 ; p < lb ; p = p + 3 ){\
		8678	bar_x[idx] = x2px(bar_name[p]);\
		8679	bar_y[idx] = y2px(bar_name[p+1]);\
		8680	barcolor[idx] = bar_name[p+2];\
		8681	idx++;\
		8682	};\
		8683	ctx.globalAlpha = fill_opacity;\
		8684	for( var p = 0; p < idx ; p++ ){\
11739	schaersvoo	8685	ctx.beginPath();\
7991	schaersvoo	8686	ctx.strokeStyle = barcolor[p];\
		8687	ctx.fillStyle = barcolor[p];\
9346	schaersvoo	8688	ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
11739	schaersvoo	8689	ctx.fill();\
		8690	ctx.stroke();\
		8691	ctx.closePath();\
7991	schaersvoo	8692	};\
		8693	};\
		8694	ctx.restore();\
		8695	};\
11088	schaersvoo	8696	if( typeof(linegraph_0) !== 'undefined' ){\
7996	schaersvoo	8697	ctx.save();\
		8698	ctx.globalAlpha = 1.0;\
		8699	var i = 0;\
		8700	var line_name = eval('linegraph_'+i);\
11088	schaersvoo	8701	while ( typeof(line_name) !== 'undefined' ){\
7996	schaersvoo	8702	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		8703	ctx.lineWidth = parseInt(line_name[1]);\
		8704	if(line_name[2] == \"1\"){\
		8705	var d1 = parseInt(line_name[3]);\
		8706	var d2 = parseInt(line_name[4]);\
		8707	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		8708	}\
		8709	else\
		8710	{\
		8711	if(ctx.setLineDash){ctx.setLineDash = null;}\
		8712	if(ctx.mozDash){ctx.mozDash = null;}\
		8713	};\
		8714	var data_x = new Array();\
		8715	var data_y = new Array();\
		8716	var lb = line_name.length;\
		8717	var idx = 0;\
		8718	for( var p = 5 ; p < lb ; p = p + 2 ){\
		8719	data_x[idx] = x2px(line_name[p]);\
		8720	data_y[idx] = y2px(line_name[p+1]);\
		8721	idx++;\
		8722	};\
		8723	for( var p = 0; p < idx ; p++){\
		8724	ctx.beginPath();\
		8725	ctx.moveTo(data_x[p],data_y[p]);\
		8726	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		8727	ctx.stroke();\
		8728	ctx.closePath();\
		8729	};\
		8730	i++;\
		8731	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		8732	};\
		8733	ctx.restore();\
		8734	};\
7614	schaersvoo	8735	return;\
7989	schaersvoo	8736	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8737	break;
8224	bpr	8738
7614	schaersvoo	8739	case DRAW_PIECHART:
13970	obado	8740	fprintf(js_include_file,"\n/* draw piecharts */\n\
11875	schaersvoo	8741	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
12538	schaersvoo	8742	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family,use_filled,use_offset){\
7614	schaersvoo	8743	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8744	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8745	}\
		8746	else\
		8747	{\
		8748	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8749	};\
12538	schaersvoo	8750	var center_text = use_offset \|\| 0;\
7614	schaersvoo	8751	var ld = data_color_list.length;\
		8752	var sum = 0;\
		8753	var idx = 0;\
7956	schaersvoo	8754	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	8755	var colors = new Array();\
		8756	var data = new Array();\
		8757	for(var p = 0;p < ld; p = p + 2){\
		8758	data[idx] = parseFloat(data_color_list[p]);\
		8759	sum = sum + data[idx];\
		8760	colors[idx] = data_color_list[p+1];\
		8761	idx++;\
		8762	};\
11875	schaersvoo	8763	if( use_filled > 1 ){\
		8764	var i = 2;\
		8765	for(var p = 0 ; p < idx ; p++){\
		8766	if(i > 5 ){ i = 2; };\
		8767	var pat = create_Pattern(0,0,i,colors[p]); all_fill_patterns[p] = pat;i++;\
		8768	};\
		8769	};\
7614	schaersvoo	8770	var ctx = obj.getContext(\"2d\");\
		8771	ctx.save();\
		8772	var angle;\
		8773	var angle_end = 0;\
		8774	var offset = Math.PI / 2;\
		8775	ctx.globalAlpha = fill_opacity;\
12538	schaersvoo	8776	var angles = [];\
7614	schaersvoo	8777	for(var p=0; p < idx; p++){\
		8778	ctx.beginPath();\
		8779	ctx.moveTo(x_center,y_center);\
		8780	angle = Math.PI * (2 * data[p] / sum);\
		8781	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		8782	ctx.lineTo(x_center, y_center);\
11875	schaersvoo	8783	if( use_filled > 1 ){ ctx.fillStyle = all_fill_patterns[p]; }else{ ctx.fillStyle = colors[p];};\
7614	schaersvoo	8784	ctx.fill();\
		8785	ctx.closePath();\
12538	schaersvoo	8786	angles.push(angle_end + angle - offset);\
7614	schaersvoo	8787	angle_end = angle_end + angle;\
		8788	};\
11088	schaersvoo	8789	if(typeof(legend0) !== 'undefined'){\
7956	schaersvoo	8790	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	8791	ctx.globalAlpha = 1.0;\
7956	schaersvoo	8792	ctx.font = font_family;\
12538	schaersvoo	8793	var y_offset = font_size;\
7614	schaersvoo	8794	var x_offset = 0;\
		8795	var txt;var txt_size;\
		8796	for(var p = 0; p < idx; p++){\
		8797	ctx.fillStyle = colors[p];\
7956	schaersvoo	8798	txt = legenda[p];\
12538	schaersvoo	8799	txt_size = ctx.measureText(txt).width + 2;\
		8800	if(center_text == 4){\
		8801	ctx.save();\
		8802	ctx.translate(x_center, y_center);\
		8803	ctx.rotate(angles[p]);\
		8804	ctx.fillText(txt,radius-txt_size,0);\
		8805	ctx.restore();\
		8806	}\
		8807	else\
		8808	{\
		8809	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		8810	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
		8811	y_offset = parseInt(y_offset + 1.5*font_size);\
		8812	};\
7614	schaersvoo	8813	};\
		8814	};\
		8815	ctx.restore();\
7956	schaersvoo	8816	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8817	break;
9433	schaersvoo	8818	case DRAW_JSBOXPLOT:
13970	obado	8819	fprintf(js_include_file,"\n/* draw jsboxplots */\n\
11874	schaersvoo	8820	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
9433	schaersvoo	8821	function statistics(data){\
		8822	var len = data.length;\
		8823	var min = 10000000;\
		8824	var max = -10000000;\
		8825	var sum = 0;var d;\
		8826	for(var i=0;i<len;i++){\
		8827	d = data[i];\
		8828	if(d < min){min = d;}else{if(d > max){max = d;};};\
		8829	sum+= parseFloat(data[i]);\
		8830	};\
		8831	var mean = parseFloat(sum/len);\
		8832	var variance = 0;\
		8833	for(var i=0;i<len;i++){\
		8834	d = data[i];\
		8835	variance += (d - mean)*(d - mean);\
		8836	};\
		8837	variance = parseFloat(variance / len);\
		8838	var std = Math.sqrt(variance);\
		8839	data.sort(function(a,b){return a - b;});\
		8840	var median;var Q1;var Q3;\
		8841	var half = Math.floor(0.5*len);\
		8842	var q1 = Math.floor(0.25*len);\
		8843	var q3 = Math.floor(0.75*len);\
		8844	var half = Math.floor(0.5*len);\
		8845	if(len %%2 == 1){\
		8846	median = data[half];\
		8847	Q1 = data[q1];\
		8848	Q3 = data[q3];\
		8849	}\
		8850	else\
		8851	{\
		8852	median = (data[half - 1] + data[half] )/2;\
		8853	Q1 = (data[q1 - 1] + data[q1] )/2;\
		8854	Q3 = (data[q3 - 1] + data[q3] )/2;\
		8855	};\
		8856	return [min,Q1,median,Q3,max];\
		8857	};");
		8858	break;
		8859	case DRAW_BOXPLOT:
13970	obado	8860	fprintf(js_include_file,"\n/* draw boxplots */\n\
11874	schaersvoo	8861	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
9465	schaersvoo	8862	draw_boxplot = function(canvas_type,xy,hw,cxy,data,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1){\
14044	schaersvoo	8863	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{obj = create_canvas%d(canvas_type,xsize,ysize);};\
9433	schaersvoo	8864	var ctx = obj.getContext(\"2d\");\
		8865	ctx.clearRect(0,0,xsize,ysize);\
		8866	ctx.save();\
		8867	ctx.lineWidth = line_width;\
11088	schaersvoo	8868	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
9433	schaersvoo	8869	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11875	schaersvoo	8870	var colors = new Array(2);\
		8871	colors[0] = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		8872	colors[1] = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8873	if( use_filled > 1 ){\
		8874	var pat = create_Pattern(0,0,3,colors[0]);\
		8875	all_fill_patterns[0] = pat;\
		8876	pat = create_Pattern(0,0,4,colors[1]);\
		8877	all_fill_patterns[1] = pat;\
		8878	};\
9433	schaersvoo	8879	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		8880	var hh = 0.25*hw;\
9465	schaersvoo	8881	switch(boxplot_source){\
11088	schaersvoo	8882	case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
		8883	case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
		8884	case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
9465	schaersvoo	8885	default: break;\
9433	schaersvoo	8886	};\
		8887	var min,Q1,median,Q3,max;\
		8888	if(xy == 1 ){\
		8889	min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
		8890	hh = Math.abs(y2px(hh) - y2px(ystart));\
		8891	hw = Math.abs(y2px(hw) - y2px(ystart));\
		8892	cxy = y2px(cxy);\
9465	schaersvoo	8893	ctx.beginPath();\
9433	schaersvoo	8894	ctx.moveTo(min,cxy);\
		8895	ctx.lineTo(Q1,cxy);\
		8896	ctx.moveTo(Q3,cxy);\
		8897	ctx.lineTo(max,cxy);\
		8898	ctx.moveTo(min,cxy+hh);\
		8899	ctx.lineTo(min,cxy-hh);\
		8900	ctx.moveTo(max,cxy+hh);\
		8901	ctx.lineTo(max,cxy-hh);\
9465	schaersvoo	8902	ctx.closePath();\
		8903	ctx.stroke();\
		8904	ctx.beginPath();\
9433	schaersvoo	8905	ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
9465	schaersvoo	8906	ctx.closePath();\
11839	schaersvoo	8907	if( use_filled != 0 ){\
12024	schaersvoo	8908	if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
9465	schaersvoo	8909	ctx.fill();\
		8910	};\
		8911	ctx.stroke();\
		8912	ctx.beginPath();\
9433	schaersvoo	8913	ctx.rect(median,cxy-2*hh,Q3-median,hw);\
9465	schaersvoo	8914	ctx.closePath();\
11839	schaersvoo	8915	if( use_filled != 0 ){\
12075	schaersvoo	8916	if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
9465	schaersvoo	8917	ctx.fill();\
		8918	};\
		8919	ctx.stroke();\
9433	schaersvoo	8920	}else{\
		8921	min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
		8922	hh = Math.abs(x2px(hh) - x2px(xstart));\
		8923	hw = Math.abs(x2px(hw) - x2px(xstart));\
		8924	cxy = x2px(cxy);\
9465	schaersvoo	8925	ctx.beginPath();\
9433	schaersvoo	8926	ctx.moveTo(cxy,min);\
		8927	ctx.lineTo(cxy,Q1);\
		8928	ctx.moveTo(cxy,Q3);\
		8929	ctx.lineTo(cxy,max);\
		8930	ctx.moveTo(cxy + hh,min);\
		8931	ctx.lineTo(cxy - hh,min);\
		8932	ctx.moveTo(cxy + hh,max);\
		8933	ctx.lineTo(cxy - hh,max);\
9465	schaersvoo	8934	ctx.closePath;\
		8935	ctx.stroke();\
		8936	ctx.beginPath();\
9433	schaersvoo	8937	ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
9465	schaersvoo	8938	ctx.closePath();\
11839	schaersvoo	8939	if( use_filled != 0 ){\
12075	schaersvoo	8940	if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
9465	schaersvoo	8941	ctx.fill();\
		8942	};\
		8943	ctx.stroke();\
		8944	ctx.beginPath();\
9433	schaersvoo	8945	ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
9465	schaersvoo	8946	ctx.closePath();\
11839	schaersvoo	8947	if( use_filled != 0 ){\
12075	schaersvoo	8948	if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
9465	schaersvoo	8949	ctx.fill();\
		8950	};\
		8951	ctx.stroke();\
9433	schaersvoo	8952	};\
		8953	ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
		8954	break;
7614	schaersvoo	8955	case DRAW_ARCS:
13970	obado	8956	fprintf(js_include_file,"\n/* draw arcs */\n\
11874	schaersvoo	8957	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
8105	schaersvoo	8958	var draw_arc = function(ctx,xc,yc,r,start,end,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	8959	ctx.save();\
		8960	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	8961	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	8962	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		8963	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	8964	start = 360 - start;\
		8965	end = 360 - end;\
7614	schaersvoo	8966	ctx.lineWidth = line_width;\
11088	schaersvoo	8967	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8968	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11874	schaersvoo	8969	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
11875	schaersvoo	8970	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
8071	schaersvoo	8971	ctx.beginPath();\
		8972	ctx.moveTo(xc,yc);\
		8973	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		8974	ctx.lineTo(xc,yc);\
		8975	ctx.closePath();\
11875	schaersvoo	8976	if( use_filled != 0 ){ctx.fill();};\
8071	schaersvoo	8977	ctx.stroke();\
7614	schaersvoo	8978	ctx.restore();\
8071	schaersvoo	8979	};");
8224	bpr	8980
7614	schaersvoo	8981	break;
7983	schaersvoo	8982	case DRAW_CENTERSTRING:
13970	obado	8983	fprintf(js_include_file,"\n/* draw centerstring */\n\
8105	schaersvoo	8984	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	8985	var obj;\
		8986	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8987	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8988	}\
		8989	else\
		8990	{\
		8991	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8992	};\
		8993	var ctx = obj.getContext(\"2d\");\
		8994	ctx.save();\
9481	schaersvoo	8995	ctx.clearRect(0,0,xsize,ysize);\
7983	schaersvoo	8996	ctx.font = font_family;\
		8997	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8998	var stringwidth = ctx.measureText(text).width;\
		8999	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		9000	ctx.fillText(text,x,y2px(y));\
9481	schaersvoo	9001	ctx.restore();\
7983	schaersvoo	9002	return;\
		9003	};",canvas_root_id,canvas_root_id,canvas_root_id);
		9004	break;
7614	schaersvoo	9005	case DRAW_TEXTS:
13970	obado	9006	fprintf(js_include_file,"\n/* draw text */\n\
11811	schaersvoo	9007	var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_affine,affine_matrix,use_offset){\
12000	schaersvoo	9008	var obj;\
		9009	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9010	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9011	}\
		9012	else\
		9013	{\
		9014	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9015	};\
		9016	var ctx = obj.getContext(\"2d\");\
		9017	if( font_family != 'null' ){\
		9018	ctx.font = font_family;\
		9019	}\
		9020	else\
		9021	{\
		9022	ctx.font = font_size+'px Ariel';\
		9023	};\
		9024	if( use_offset == 3 ){if(angle2 < 0 ){ y = y + 0.8font_size; x = x + (Math.cos(angle2))font_size; }else{y = y - 0.8font_size; x = x + (Math.sin(angle2))font_size;};};\
		9025	if(angle2 == 0 && angle != 0){\
		9026	ctx.save();\
		9027	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		9028	if(use_rotate == 1 ){\
		9029	ctx.rotate(angle*Math.PI/180);};\
		9030	ctx.restore();\
		9031	};\
		9032	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		9033	if(angle2 != 0){\
		9034	ctx.save();\
		9035	ctx.translate(x,y);\
		9036	ctx.rotate((360-angle2)*(Math.PI / 180));\
		9037	ctx.fillText(text,0,0);\
		9038	ctx.restore();\
		9039	}\
		9040	else\
		9041	{\
		9042	ctx.fillText(text,x,y);\
		9043	};\
7614	schaersvoo	9044	return;\
12000	schaersvoo	9045	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	9046	break;
		9047	case DRAW_CURVE:
13970	obado	9048	fprintf(js_include_file,"\n/* draw curve */\n\
8105	schaersvoo	9049	var draw_curve = function(canvas_type,type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	9050	var obj;\
		9051	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9052	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9053	}\
		9054	else\
		9055	{\
		9056	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9057	};\
		9058	var ctx = obj.getContext(\"2d\");\
		9059	ctx.save();\
8071	schaersvoo	9060	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	9061	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		9062	ctx.beginPath();ctx.lineWidth = line_width;\
11088	schaersvoo	9063	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	9064	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		9065	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		9066	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		9067	for(var p = 1 ; p < x_points.length ; p++){\
		9068	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		9069	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		9070	}\
		9071	else\
		9072	{\
		9073	ctx.stroke();\
		9074	ctx.beginPath();\
		9075	p++;\
		9076	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		9077	};\
		9078	};\
		9079	ctx.stroke();\
		9080	ctx.restore();\
7653	schaersvoo	9081	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	9082	break;
8224	bpr	9083
7614	schaersvoo	9084	case DRAW_INPUTS:
13970	obado	9085	fprintf(js_include_file,"\n/* draw input fields */\n\
11803	schaersvoo	9086	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value,use_offset){\
7614	schaersvoo	9087	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		9088	var input = document.createElement(\"input\");\
		9089	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		9090	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		9091	input.setAttribute(\"size\",size);\
		9092	input.setAttribute(\"value\",value);\
7877	schaersvoo	9093	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
11803	schaersvoo	9094	canvas_div.appendChild(input);\
		9095	if(use_offset != 0 ){ center_input('canvas_input'+input_cnt,x,y,style);};\
		9096	};\
		9097	function center_input(id,x,y,style){\
		9098	var inp = document.getElementById(id);\
		9099	var pos = inp.getBoundingClientRect();\
		9100	var center_x = parseInt(x - 0.5*(pos.width));\
		9101	var center_y = parseInt(y - 0.5*(pos.height));\
		9102	try{ inp.setAttribute(\"style\",\"position:absolute;left:\"+center_x+\"px;top:\"+center_y+\"px;\"+style );}\
		9103	catch(e){return;};\
		9104	};");
7614	schaersvoo	9105	break;
8224	bpr	9106
7614	schaersvoo	9107	case DRAW_TEXTAREAS:
13970	obado	9108	fprintf(js_include_file,"\n/* draw text area inputfields */\n\
8105	schaersvoo	9109	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	9110	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		9111	var textarea = document.createElement(\"textarea\");\
		9112	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		9113	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		9114	textarea.setAttribute(\"cols\",cols);\
		9115	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	9116	textarea.value = value;\
		9117	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	9118	canvas_div.appendChild(textarea);};");
7614	schaersvoo	9119	break;
8224	bpr	9120
7614	schaersvoo	9121	case DRAW_PIXELS:
13970	obado	9122	fprintf(js_include_file,"\n/* draw pixel */\n\
8105	schaersvoo	9123	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
11997	schaersvoo	9124	var idx = 2000+Math.ceil(1000*(Math.random()));\
		9125	var canvas = create_canvas%d(idx,xsize,ysize);\
7614	schaersvoo	9126	var d = 0.5*pixelsize;\
		9127	var ctx = canvas.getContext(\"2d\");\
9462	schaersvoo	9128	if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
7614	schaersvoo	9129	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		9130	ctx.clearRect(0,0,xsize,ysize);\
		9131	for(var p=0; p<x.length;p++){\
		9132	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		9133	};\
		9134	ctx.fill();ctx.stroke();\
		9135	};",canvas_root_id);
		9136	break;
		9137
		9138	case DRAW_CLOCK:
13970	obado	9139	fprintf(js_include_file,"\n/* begin command clock */\n\
7614	schaersvoo	9140	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		9141	var clock_ctx = clock_canvas.getContext(\"2d\");\
		9142	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	9143	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	9144	clock_ctx.save();\
7997	schaersvoo	9145	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	9146	this.type = type \|\| 0;\
		9147	this.interaction = interaction \|\| 0;\
7862	schaersvoo	9148	this.H = H;\
		9149	this.M = M;\
		9150	this.S = S;\
7614	schaersvoo	9151	this.xc = xc \|\| xsize/2;\
		9152	this.yc = yc \|\| ysize/2;\
		9153	this.radius = radius \|\| xsize/4;\
		9154	var font_size = parseInt(0.2*this.radius);\
11991	schaersvoo	9155	this.H_color = h_color \|\| \"black\";\
		9156	this.M_color = m_color \|\| \"black\";\
		9157	this.S_color = s_color \|\| \"black\";\
		9158	this.fg_color = fg_color \|\| \"black\";\
7614	schaersvoo	9159	this.bg_color = bg_color \|\| \"white\";\
		9160	clock_ctx.translate(this.xc,this.yc);\
		9161	clock_ctx.beginPath();\
		9162	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		9163	clock_ctx.fillStyle = this.bg_color;\
		9164	clock_ctx.fill();\
		9165	clock_ctx.closePath();\
		9166	clock_ctx.beginPath();\
		9167	clock_ctx.font = font_size+\"px Arial\";\
		9168	clock_ctx.fillStyle = this.fg_color;\
		9169	clock_ctx.textAlign = \"center\";\
		9170	clock_ctx.textBaseline = 'middle';\
		9171	var angle;var x1,y1,x2,y2;\
		9172	var angle_cos;var angle_sin;\
7997	schaersvoo	9173	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	9174	switch(type){\
		9175	case 0:clock_ctx.beginPath();\
		9176	for(var p = 1; p <= 12 ; p++){\
		9177	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		9178	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		9179	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		9180	clock_ctx.moveTo(x1,y1);\
		9181	clock_ctx.lineTo(x2,y2);\
		9182	};\
		9183	for(var p = 1; p <= 60 ; p++){\
		9184	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		9185	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		9186	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		9187	clock_ctx.moveTo(x1,y1);\
		9188	clock_ctx.lineTo(x2,y2);\
		9189	};\
		9190	clock_ctx.closePath();\
		9191	clock_ctx.stroke();\
		9192	break;\
		9193	case 1:\
		9194	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.9this.radiusMath.cos(angle);y1 = 0.9this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};break;\
7862	schaersvoo	9195	case 2:\
		9196	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8this.radiusMath.cos(angle);y1 = 0.8this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
7614	schaersvoo	9197	clock_ctx.beginPath();\
		9198	for(var p = 1; p <= 12 ; p++){\
		9199	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		9200	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		9201	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		9202	clock_ctx.moveTo(x1,y1);\
		9203	clock_ctx.lineTo(x2,y2);\
		9204	};\
		9205	for(var p = 1; p <= 60 ; p++){\
		9206	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		9207	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		9208	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		9209	clock_ctx.moveTo(x1,y1);\
		9210	clock_ctx.lineTo(x2,y2);\
		9211	};\
		9212	clock_ctx.closePath();\
		9213	clock_ctx.stroke();\
		9214	break;\
		9215	};\
		9216	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		9217	clock_ctx.rotate(angle);\
		9218	clock_ctx.beginPath();\
		9219	clock_ctx.moveTo(-3, -2);\
		9220	clock_ctx.lineTo(-3, 2);\
11026	bpr	9221	clock_ctx.lineTo(this.radius * 0.6, 1);\
		9222	clock_ctx.lineTo(this.radius * 0.6, -1);\
7614	schaersvoo	9223	clock_ctx.fillStyle = this.H_color;\
		9224	clock_ctx.fill();\
		9225	clock_ctx.rotate(-angle);\
		9226	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		9227	clock_ctx.rotate(angle);\
		9228	clock_ctx.beginPath();\
		9229	clock_ctx.moveTo(-3, -2);\
		9230	clock_ctx.lineTo(-3, 2);\
		9231	clock_ctx.lineTo(this.radius * 0.8, 1);\
		9232	clock_ctx.lineTo(this.radius * 0.8, -1);\
		9233	clock_ctx.fillStyle = this.M_color;\
		9234	clock_ctx.fill();\
		9235	clock_ctx.rotate(-angle);\
		9236	angle = (this.S - 15) * 2 * Math.PI / 60;\
		9237	clock_ctx.rotate(angle);\
		9238	clock_ctx.beginPath();\
		9239	clock_ctx.moveTo(0,0);\
11026	bpr	9240	clock_ctx.lineTo(this.radius * 0.9, 1);\
		9241	clock_ctx.lineTo(this.radius * 0.9, -1);\
7614	schaersvoo	9242	clock_ctx.strokeStyle = this.S_color;\
		9243	clock_ctx.stroke();\
		9244	clock_ctx.restore();\
7653	schaersvoo	9245	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	9246	break;
		9247
		9248	case DRAW_LATTICE:
13970	obado	9249	fprintf(js_include_file,"\n/* draw lattice */\n\
11991	schaersvoo	9250	var draw_lattice = function(canvas_type,line_width,x0,y0,dx1,dy1,dx2,dy2,n1,n2,fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix,use_filled){\
7614	schaersvoo	9251	var obj;\
		9252	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9253	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9254	}\
		9255	else\
		9256	{\
		9257	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9258	};\
		9259	var ctx = obj.getContext(\"2d\");\
		9260	ctx.save();\
8071	schaersvoo	9261	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	9262	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
11874	schaersvoo	9263	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
11875	schaersvoo	9264	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
7614	schaersvoo	9265	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		9266	var radius = line_width;\
		9267	var x = 0;\
		9268	var y = 0;\
		9269	var x_step_px = xsize/(xmax-xmin);\
		9270	var y_step_px = ysize/(ymax-ymin);\
		9271	var xv1 = dx1*x_step_px;\
		9272	var yv1 = dy1*y_step_px;\
		9273	var xv2 = dx2*x_step_px;\
		9274	var yv2 = dy2*y_step_px;\
		9275	for(var p = 0; p < n1 ;p++){\
		9276	x = p*xv1 + x0;\
		9277	y = p*yv1 + y0;\
		9278	for(var c = 0; c < n2 ; c++){\
		9279	ctx.beginPath();\
		9280	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		9281	ctx.fill();\
		9282	ctx.stroke();\
		9283	ctx.closePath();\
		9284	};\
		9285	};\
		9286	ctx.restore();\
		9287	return;\
7653	schaersvoo	9288	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	9289	break;
7735	schaersvoo	9290	case DRAW_XYLOGSCALE:
13970	obado	9291	fprintf(js_include_file,"\n/* draw xylogscale */\n\
8105	schaersvoo	9292	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,precision){\
7956	schaersvoo	9293	var obj;\
		9294	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9295	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9296	}\
		9297	else\
		9298	{\
		9299	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9300	};\
		9301	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	9302	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	9303	ctx.save();\
7739	schaersvoo	9304	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	9305	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		9306	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		9307	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		9308	var y_max = Math.log(ymax)/Math.log(ylogbase);\
11972	schaersvoo	9309	if(use_axis_numbering != -1){\
7956	schaersvoo	9310	ctx.font = font_family;\
		9311	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		9312	ymarge = parseInt(1.5*font_size);\
		9313	ctx.save();\
		9314	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		9315	ctx.rect(0,0,xmarge,ysize);\
		9316	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		9317	ctx.fill();\
		9318	ctx.restore();\
		9319	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	9320	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	9321	ctx.save();\
		9322	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9323	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9324	corr = ctx.measureText(xaxislabel).width;\
		9325	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		9326	ctx.restore();\
		9327	};\
11088	schaersvoo	9328	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	9329	ctx.save();\
		9330	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9331	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9332	corr = ctx.measureText(yaxislabel).width;\
		9333	ctx.translate(xmarge+font_size,corr+font_size);\
		9334	ctx.rotate(-0.5*Math.PI);\
		9335	ctx.fillText(yaxislabel,0,0);\
		9336	ctx.restore();\
		9337	};\
		9338	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9339	ctx.lineWidth = line_width;\
		9340	for(var p = x_min; p <= x_max ; p++){\
		9341	num = Math.pow(xlogbase,p);\
		9342	for(var i = 1 ; i < xlogbase ; i++){\
		9343	x_e = x2px(i*num);\
7735	schaersvoo	9344	if( i == 1 ){\
7956	schaersvoo	9345	ctx.lineWidth = line_width;\
		9346	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
11972	schaersvoo	9347	if( use_axis_numbering != -1 && p > x_min){\
7956	schaersvoo	9348	xtxt = xlogbase+'^'+p.toFixed(0);\
		9349	corr = 0.5*(ctx.measureText(xtxt).width);\
		9350	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		9351	};\
7735	schaersvoo	9352	}else{\
7956	schaersvoo	9353	ctx.lineWidth = 0.2*line_width;\
		9354	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		9355	};\
7738	schaersvoo	9356	if( x_e >= xmarge ){\
7956	schaersvoo	9357	ctx.beginPath();\
		9358	ctx.moveTo(x_e,0);\
		9359	ctx.lineTo(x_e,ysize - ymarge);\
		9360	ctx.stroke();\
		9361	ctx.closePath();\
7738	schaersvoo	9362	};\
7956	schaersvoo	9363	};\
		9364	};\
		9365	for(var p = y_min; p <= y_max ; p++){\
		9366	num = Math.pow(ylogbase,p);\
		9367	for(var i = 1 ; i < ylogbase ; i++){\
		9368	y_e = y2px(i*num);\
		9369	if( i == 1 ){\
		9370	ctx.lineWidth = line_width;\
7735	schaersvoo	9371	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
11972	schaersvoo	9372	if( use_axis_numbering != -1 && p > y_min){\
7956	schaersvoo	9373	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		9374	};\
		9375	}else{\
		9376	ctx.lineWidth = 0.2*line_width;\
		9377	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		9378	};\
		9379	ctx.beginPath();\
		9380	ctx.moveTo(xmarge,y_e);\
		9381	ctx.lineTo(xsize,y_e);\
		9382	ctx.stroke();\
		9383	ctx.closePath();\
		9384	};\
		9385	};\
7735	schaersvoo	9386	ctx.restore();\
		9387	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		9388	break;
7614	schaersvoo	9389
7735	schaersvoo	9390	case DRAW_XLOGSCALE:
13970	obado	9391	fprintf(js_include_file,"\n/* draw xlogscale */\n\
8105	schaersvoo	9392	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,ymajor,yminor,precision){\
7956	schaersvoo	9393	var obj;\
		9394	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9395	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9396	}\
		9397	else\
		9398	{\
		9399	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9400	};\
		9401	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	9402	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	9403	ctx.save();\
		9404	ctx.lineWidth = line_width;\
7739	schaersvoo	9405	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	9406	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		9407	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		9408	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	9409	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
11972	schaersvoo	9410	if(use_axis_numbering != -1){\
7956	schaersvoo	9411	ctx.font = font_family;\
		9412	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		9413	ymarge = parseInt(1.5*font_size);\
		9414	ctx.save();\
		9415	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		9416	ctx.rect(0,0,xmarge,ysize);\
		9417	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		9418	ctx.fill();\
		9419	ctx.restore();\
		9420	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	9421	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	9422	ctx.save();\
		9423	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9424	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9425	corr = ctx.measureText(xaxislabel).width;\
		9426	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		9427	ctx.restore();\
		9428	};\
11088	schaersvoo	9429	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	9430	ctx.save();\
		9431	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9432	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9433	corr = ctx.measureText(yaxislabel).width;\
		9434	ctx.translate(xmarge+font_size,corr+font_size);\
		9435	ctx.rotate(-0.5*Math.PI);\
		9436	ctx.fillText(yaxislabel,0,0);\
		9437	ctx.restore();\
		9438	};\
		9439	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9440	ctx.lineWidth = line_width;\
		9441	for(var p = x_min; p <= x_max ; p++){\
		9442	num = Math.pow(xlogbase,p);\
		9443	for(var i = 1 ; i < xlogbase ; i++){\
		9444	x_e = x2px(i*num);\
7735	schaersvoo	9445	if( i == 1 ){\
7956	schaersvoo	9446	ctx.lineWidth = line_width;\
7739	schaersvoo	9447	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
11972	schaersvoo	9448	if( use_axis_numbering != -1 && p > x_min ){\
7735	schaersvoo	9449	xtxt = xlogbase+'^'+p.toFixed(0);\
		9450	corr = 0.5*(ctx.measureText(xtxt).width);\
		9451	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		9452	};\
		9453	}else{\
7956	schaersvoo	9454	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	9455	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		9456	};\
7739	schaersvoo	9457	if( x_e >= xmarge ){\
7956	schaersvoo	9458	ctx.beginPath();\
		9459	ctx.moveTo(x_e,0);\
		9460	ctx.lineTo(x_e,ysize - ymarge);\
		9461	ctx.stroke();\
		9462	ctx.closePath();\
7739	schaersvoo	9463	};\
		9464	};\
7956	schaersvoo	9465	};\
7735	schaersvoo	9466	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		9467	var minor_step = stepy / yminor;\
7749	schaersvoo	9468	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	9469	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	9470	ctx.lineWidth = line_width;\
		9471	ctx.beginPath();\
		9472	ctx.moveTo(xmarge,y);\
		9473	ctx.lineTo(xsize,y);\
		9474	ctx.stroke();\
		9475	ctx.closePath();\
11972	schaersvoo	9476	if( use_axis_numbering != -1){\
7735	schaersvoo	9477	ytxt = (px2y(y)).toFixed(prec);\
		9478	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		9479	};\
		9480	for(var dy = 1 ; dy < yminor ; dy++){\
		9481	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	9482	ctx.lineWidth = 0.2*line_width;\
		9483	ctx.beginPath();\
7739	schaersvoo	9484	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	9485	ctx.lineTo(xsize,y+dy*minor_step);\
		9486	ctx.stroke();\
		9487	ctx.closePath();\
7735	schaersvoo	9488	};\
		9489	};\
7956	schaersvoo	9490	ctx.restore();\
		9491	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	9492	break;
7729	schaersvoo	9493	case DRAW_YLOGSCALE:
13970	obado	9494	fprintf(js_include_file,"\n/* draw ylogscale */\n\
8105	schaersvoo	9495	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,xmajor,xminor,precision){\
7956	schaersvoo	9496	var obj;\
		9497	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		9498	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		9499	}\
		9500	else\
		9501	{\
		9502	obj = create_canvas%d(canvas_type,xsize,ysize);\
		9503	};\
		9504	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	9505	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	9506	ctx.save();\
		9507	ctx.lineWidth = line_width;\
7735	schaersvoo	9508	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		9509	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	9510	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
11972	schaersvoo	9511	if(use_axis_numbering != -1){\
7956	schaersvoo	9512	ctx.font = font_family;\
		9513	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		9514	ymarge = 2*font_size;\
		9515	ctx.save();\
		9516	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		9517	ctx.rect(0,0,xmarge,ysize);\
		9518	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		9519	ctx.fill();\
		9520	ctx.restore();\
		9521	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	9522	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	9523	ctx.save();\
		9524	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9525	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9526	corr = ctx.measureText(xaxislabel).width;\
		9527	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		9528	ctx.restore();\
		9529	};\
11088	schaersvoo	9530	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	9531	ctx.save();\
		9532	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		9533	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9534	corr = ctx.measureText(yaxislabel).width;\
		9535	ctx.translate(xmarge+font_size,corr+font_size);\
		9536	ctx.rotate(-0.5*Math.PI);\
		9537	ctx.fillText(yaxislabel,0,0);\
		9538	ctx.restore();\
		9539	};\
		9540	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		9541	ctx.lineWidth = line_width;\
		9542	for(var p = y_min; p <= y_max ; p++){\
		9543	num = Math.pow(ylogbase,p);\
		9544	for(var i = 1 ; i < ylogbase ; i++){\
		9545	y_e = y2px(i*num);\
7729	schaersvoo	9546	if( i == 1 ){\
7956	schaersvoo	9547	ctx.lineWidth = line_width;\
7729	schaersvoo	9548	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
11972	schaersvoo	9549	if( use_axis_numbering != -1 && p > y_min){\
7735	schaersvoo	9550	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	9551	};\
		9552	}else{\
7956	schaersvoo	9553	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	9554	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		9555	};\
7956	schaersvoo	9556	ctx.beginPath();\
		9557	ctx.moveTo(xmarge,y_e);\
		9558	ctx.lineTo(xsize,y_e);\
		9559	ctx.stroke();\
		9560	ctx.closePath();\
		9561	};\
		9562	};\
7729	schaersvoo	9563	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		9564	var minor_step = stepx / xminor;\
		9565	var prec = Math.log(precision)/Math.log(10);\
		9566	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	9567	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	9568	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	9569	ctx.lineWidth = line_width;\
		9570	ctx.beginPath();\
		9571	ctx.moveTo(x,ysize-ymarge);\
		9572	ctx.lineTo(x,0);\
		9573	ctx.stroke();\
		9574	ctx.closePath();\
11972	schaersvoo	9575	if( use_axis_numbering != -1){\
7729	schaersvoo	9576	xtxt = (px2x(x)).toFixed(prec);\
		9577	corr = 0.5*(ctx.measureText(xtxt).width);\
		9578	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		9579	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		9580	};\
		9581	for(var dx = 1 ; dx < xminor ; dx++){\
		9582	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	9583	ctx.lineWidth = 0.2*line_width;\
		9584	ctx.beginPath();\
7739	schaersvoo	9585	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	9586	ctx.lineTo(x+dx*minor_step,0);\
		9587	ctx.stroke();\
		9588	ctx.closePath();\
7735	schaersvoo	9589	};\
		9590	};\
7956	schaersvoo	9591	ctx.restore();\
		9592	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	9593	break;
9213	schaersvoo	9594
7614	schaersvoo	9595	default:break;
		9596	}
		9597	}
		9598	}
		9599	return;
		9600	}
		9601
		9602	void check_string_length(int L){
9466	schaersvoo	9603	if( L > MAX_BUFFER-1){
7614	schaersvoo	9604	canvas_error("problem with your arguments to command...");
		9605	}
		9606	return;
		9607	}
		9608
		9609
		9610	int get_token(FILE *infile){
		9611	int c,i=0;
		9612	char temp[MAX_INT], *input_type;
		9613	char *line="line",
		9614	*audio="audio",
		9615	*blink="blink",
		9616	*arrowhead="arrowhead",
		9617	*crosshairsize="crosshairsize",
		9618	*crosshair="crosshair",
		9619	*crosshairs="crosshairs",
		9620	*audioobject="audioobject",
		9621	*style="style",
		9622	*mouse="mouse",
7991	schaersvoo	9623	*mousex="mousex",
		9624	*mousey="mousey",
8071	schaersvoo	9625	*mouse_display="display",
		9626	*mouse_degree="mouse_degree",
7614	schaersvoo	9627	*userdraw="userdraw",
		9628	*highlight="highlight",
		9629	*http="http",
		9630	*rays="rays",
		9631	*dashtype="dashtype",
		9632	*dashed="dashed",
		9633	*filled="filled",
		9634	*lattice="lattice",
		9635	*parallel="parallel",
		9636	*segment="segment",
8299	schaersvoo	9637	*segments="segments",
7614	schaersvoo	9638	*dsegment="dsegment",
9374	schaersvoo	9639	*dsegments="dsegments",
7614	schaersvoo	9640	*seg="seg",
9383	schaersvoo	9641	*segs="segs",
7614	schaersvoo	9642	*bgimage="bgimage",
		9643	*bgcolor="bgcolor",
		9644	*strokecolor="strokecolor",
		9645	*backgroundimage="backgroundimage",
		9646	*text="text",
		9647	*textup="textup",
		9648	*mouseprecision="mouseprecision",
		9649	*precision="precision",
		9650	*plotsteps="plotsteps",
		9651	*plotstep="plotstep",
		9652	*tsteps="tsteps",
		9653	*curve="curve",
		9654	*dcurve="dcurve",
14038	schaersvoo	9655	*curvedarrow="curvedarrow",
		9656	*curvedarrows="curvedarrows",
		9657	*curvedarrow2="curvedarrow2",
		9658	*curvedarrows2="curvedarrows2",
7614	schaersvoo	9659	*plot="plot",
		9660	*dplot="dplot",
7788	schaersvoo	9661	*levelcurve="levelcurve",
7614	schaersvoo	9662	*fontsize="fontsize",
		9663	*fontcolor="fontcolor",
		9664	*axis="axis",
		9665	*axisnumbering="axisnumbering",
		9666	*axisnumbers="axisnumbers",
		9667	*arrow="arrow",
9382	schaersvoo	9668	*vector="vector",
		9669	*vectors="vectors",
7614	schaersvoo	9670	*darrow="darrow",
		9671	*arrow2="arrow2",
		9672	*darrow2="darrow2",
8304	schaersvoo	9673	*arrows="arrows",
8347	schaersvoo	9674	*arrows2="arrows2",
7614	schaersvoo	9675	*zoom="zoom",
		9676	*grid="grid",
		9677	*hline="hline",
7786	schaersvoo	9678	*dhline="dhline",
7614	schaersvoo	9679	*drag="drag",
		9680	*horizontalline="horizontalline",
9383	schaersvoo	9681	*horizontallines="horizontallines",
7614	schaersvoo	9682	*vline="vline",
7786	schaersvoo	9683	*dvline="dvline",
7614	schaersvoo	9684	*verticalline="verticalline",
9383	schaersvoo	9685	*verticallines="verticallines",
7614	schaersvoo	9686	*triangle="triangle",
9306	schaersvoo	9687	*triangles="triangles",
7614	schaersvoo	9688	*ftriangle="ftriangle",
9374	schaersvoo	9689	*ftriangles="ftriangles",
7614	schaersvoo	9690	*mathml="mathml",
		9691	*html="html",
		9692	*input="input",
8146	schaersvoo	9693	*clearbutton="clearbutton",
9386	schaersvoo	9694	*erase="erase",
		9695	*delete="delete",
7614	schaersvoo	9696	*inputstyle="inputstyle",
		9697	*textarea="textarea",
		9698	*trange="trange",
		9699	*ranget="ranget",
		9700	*xrange="xrange",
		9701	*yrange="yrange",
		9702	*rangex="rangex",
		9703	*rangey="rangey",
8370	schaersvoo	9704	*path="path",
7614	schaersvoo	9705	*polyline="polyline",
8351	schaersvoo	9706	*brokenline="brokenline",
7614	schaersvoo	9707	*lines="lines",
		9708	*poly="poly",
		9709	*polygon="polygon",
		9710	*fpolygon="fpolygon",
		9711	*fpoly="fpoly",
		9712	*filledpoly="filledpoly",
		9713	*filledpolygon="filledpolygon",
		9714	*rect="rect",
		9715	*frect="frect",
		9716	*rectangle="rectangle",
		9717	*frectangle="frectangle",
		9718	*square="square",
		9719	*fsquare="fsquare",
9374	schaersvoo	9720	*fsquares="fsquares",
8363	schaersvoo	9721	*rects="rects",
		9722	*frects="frects",
7614	schaersvoo	9723	*dline="dline",
		9724	*arc="arc",
		9725	*filledarc="filledarc",
9374	schaersvoo	9726	*farc="farc",
7614	schaersvoo	9727	*size="size",
		9728	*string="string",
		9729	*stringup="stringup",
		9730	*copy="copy",
		9731	*copyresized="copyresized",
		9732	*opacity="opacity",
		9733	*transparent="transparent",
		9734	*fill="fill",
		9735	*point="point",
		9736	*points="points",
		9737	*linewidth="linewidth",
		9738	*circle="circle",
8304	schaersvoo	9739	*circles="circles",
7614	schaersvoo	9740	*fcircle="fcircle",
9374	schaersvoo	9741	*fcircles="fcircles",
7614	schaersvoo	9742	*disk="disk",
9374	schaersvoo	9743	*disks="disks",
7614	schaersvoo	9744	*comment="#",
		9745	*end="end",
		9746	*ellipse="ellipse",
12110	schaersvoo	9747	*ellipses="ellipses",
7614	schaersvoo	9748	*fellipse="fellipse",
		9749	*rotate="rotate",
7785	schaersvoo	9750	*affine="affine",
9907	schaersvoo	9751	*rotationcenter="rotationcenter",
		9752	*killrotate="killrotate",
7785	schaersvoo	9753	*killaffine="killaffine",
7614	schaersvoo	9754	*fontfamily="fontfamily",
		9755	*fillcolor="fillcolor",
		9756	*clicktile="clicktile",
		9757	*clicktile_colors="clicktile_colors",
		9758	*translation="translation",
		9759	*translate="translate",
		9760	*killtranslation="killtranslation",
		9761	*killtranslate="killtranslate",
		9762	*onclick="onclick",
8370	schaersvoo	9763	*roundrects="roundrects",
7614	schaersvoo	9764	*roundrect="roundrect",
		9765	*froundrect="froundrect",
9374	schaersvoo	9766	*froundrects="froundrects",
7614	schaersvoo	9767	*roundrectangle="roundrectangle",
		9768	*patternfill="patternfill",
		9769	*hatchfill="hatchfill",
		9770	*diafill="diafill",
7647	schaersvoo	9771	*diamondfill="diamondfill",
7614	schaersvoo	9772	*dotfill="dotfill",
11830	schaersvoo	9773	*textfill="textfill",
7614	schaersvoo	9774	*gridfill="gridfill",
		9775	*imagefill="imagefill",
7735	schaersvoo	9776	*xlogbase="xlogbase",
		9777	*ylogbase="ylogbase",
7614	schaersvoo	9778	*xlogscale="xlogscale",
		9779	*ylogscale="ylogscale",
		9780	*xylogscale="xylogscale",
		9781	*intooltip="intooltip",
9329	schaersvoo	9782	*popup="popup",
7614	schaersvoo	9783	*replyformat="replyformat",
		9784	*floodfill="floodfill",
11772	schaersvoo	9785	*fillall="fillall",
7614	schaersvoo	9786	*filltoborder="filltoborder",
		9787	*setpixel="setpixel",
		9788	*pixels="pixels",
		9789	*pixelsize="pixelsize",
		9790	*xaxis="xaxis",
9341	schaersvoo	9791	*xaxisup="xaxisup",
7614	schaersvoo	9792	*yaxis="yaxis",
		9793	*xaxistext="xaxistext",
9341	schaersvoo	9794	*xaxistextup="xaxistextup",
7614	schaersvoo	9795	*yaxistext="yaxistext",
		9796	*piechart="piechart",
9433	schaersvoo	9797	*boxplot="boxplot",
9465	schaersvoo	9798	*boxplotdata="boxplotdata",
		9799	*userboxplot="userboxplot",
		9800	*userboxplotdata="userboxplotdata",
7614	schaersvoo	9801	*legend="legend",
		9802	*legendcolors="legendcolors",
		9803	*xlabel="xlabel",
		9804	*ylabel="ylabel",
		9805	*barchart="barchart",
		9806	*linegraph="linegraph",
		9807	*clock="clock",
		9808	*animate="animate",
		9809	*video="video",
		9810	*status="status",
7877	schaersvoo	9811	*nostatus="nostatus",
7652	schaersvoo	9812	*snaptogrid="snaptogrid",
7784	schaersvoo	9813	*xsnaptogrid="xsnaptogrid",
		9814	*ysnaptogrid="ysnaptogrid",
8379	schaersvoo	9815	*snaptopoints="snaptopoints",
9213	schaersvoo	9816	*snaptofunction="snaptofunction",
		9817	*snaptofun="snaptofun",
7654	schaersvoo	9818	*userinput_xy="userinput_xy",
8193	schaersvoo	9819	*userinput_function="userinput_function",
7663	schaersvoo	9820	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	9821	*userinput="userinput",
7823	schaersvoo	9822	*jsmath="jsmath",
7858	schaersvoo	9823	*trace_jscurve="trace_jscurve",
7838	schaersvoo	9824	*setlimits="setlimits",
7858	schaersvoo	9825	*jscurve="jscurve",
		9826	*jsplot="jsplot",
7983	schaersvoo	9827	*sgraph="sgraph",
7984	schaersvoo	9828	*title="title",
7996	schaersvoo	9829	*centerstring="centerstring",
		9830	*xunit="xunit",
8071	schaersvoo	9831	*yunit="yunit",
8101	schaersvoo	9832	*slider="slider",
8105	schaersvoo	9833	*killslider="killslider",
8244	schaersvoo	9834	*angle="angle",
8365	schaersvoo	9835	*halflines="halflines",
		9836	*demilines="demilines",
8244	schaersvoo	9837	*halfline="halfline",
8297	schaersvoo	9838	*demiline="demiline",
8366	schaersvoo	9839	*hlines="hlines",
		9840	*vlines="vlines",
8370	schaersvoo	9841	*bezier="bezier",
9213	schaersvoo	9842	*functionlabel="functionlabel",
		9843	*sliderfunction_x="sliderfunction_x",
		9844	*sliderfunction_y="sliderfunction_y",
		9845	*multidraw="multidraw",
		9846	*multilinewidth="multilinewidth",
		9847	*multistrokecolors="multistrokecolors",
		9848	*multifillcolors="multifillcolors",
		9849	*multistrokeopacity="multistrokeopacity",
		9850	*multifillopacity="multifillopacity",
		9851	*multifill="multifill",
		9852	*multidash="multidash",
		9853	*multilabel="multilabel",
		9854	*multiuserinput="multiuserinput",
14038	schaersvoo	9855	*multiinput="multiinput",
9289	schaersvoo	9856	*multisnaptogrid="multisnaptogrid",
14038	schaersvoo	9857	*multisnap="multisnap",
9289	schaersvoo	9858	*protractor="protractor",
9386	schaersvoo	9859	*ruler="ruler",
		9860	*cursor="cursor",
9427	schaersvoo	9861	*pointer="pointer",
		9862	*yerrorbars="yerrorbars",
11006	schaersvoo	9863	*xerrorbars="xerrorbars",
11044	schaersvoo	9864	*noxaxis="noxaxis",
		9865	*noyaxis="noyaxis",
11767	schaersvoo	9866	*colorpalette="colorpalette",
14038	schaersvoo	9867	*imagepalette="imagepalette",
12063	schaersvoo	9868	*yoffset="yoffset",
11802	schaersvoo	9869	*xoffset="xoffset",
14225	schaersvoo	9870	*latex="latex",
11802	schaersvoo	9871	*centered="centered",
		9872	*xyoffset="xyoffset",
		9873	*resetoffset="resetoffset",
11837	schaersvoo	9874	*fillpattern="fillpattern",
11890	schaersvoo	9875	*numberline="numberline",
11006	schaersvoo	9876	*canvastype="canvastype";
7614	schaersvoo	9877
10891	schaersvoo	9878	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')&&(c!='\t')){
		9879	if( i == 0 && (c == ' ') ){ continue; /* white spaces or tabs allowed before first command identifier */
		9880	}else{
		9881	if( c == ' ' ){
7614	schaersvoo	9882	break;
10891	schaersvoo	9883	}else{
		9884	temp[i] = c;
		9885	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		9886	i++;
		9887	}
		9888	}
		9889	if(temp[0] == '#'){ break; }
7614	schaersvoo	9890	}
10891	schaersvoo	9891	if (c == '\n' \|\| c == '\r' \|\| c == '\t' ){ line_number++; }
		9892	if (c == EOF) {finished=1;return 0;}
7614	schaersvoo	9893
		9894	temp[i]='\0';
		9895	input_type=(char*)my_newmem(strlen(temp));
		9896	snprintf(input_type,sizeof(temp),"%s",temp);
10891	schaersvoo	9897	/* fprintf(stdout,"temp = %s <br/>",input_type); */
7614	schaersvoo	9898	if( strcmp(input_type, size) == 0 ){
		9899	free(input_type);
		9900	return SIZE;
		9901	}
		9902	if( strcmp(input_type, xrange) == 0 ){
		9903	free(input_type);
		9904	return XRANGE;
		9905	}
		9906	if( strcmp(input_type, rangex) == 0 ){
		9907	free(input_type);
		9908	return XRANGE;
		9909	}
		9910	if( strcmp(input_type, trange) == 0 ){
		9911	free(input_type);
		9912	return TRANGE;
		9913	}
		9914	if( strcmp(input_type, ranget) == 0 ){
		9915	free(input_type);
		9916	return TRANGE;
		9917	}
		9918	if( strcmp(input_type, yrange) == 0 ){
		9919	free(input_type);
		9920	return YRANGE;
		9921	}
		9922	if( strcmp(input_type, rangey) == 0 ){
		9923	free(input_type);
		9924	return YRANGE;
		9925	}
		9926	if( strcmp(input_type, linewidth) == 0 ){
		9927	free(input_type);
		9928	return LINEWIDTH;
		9929	}
		9930	if( strcmp(input_type, dashed) == 0 ){
		9931	free(input_type);
		9932	return DASHED;
		9933	}
		9934	if( strcmp(input_type, dashtype) == 0 ){
		9935	free(input_type);
		9936	return DASHTYPE;
		9937	}
		9938	if( strcmp(input_type, axisnumbering) == 0 ){
		9939	free(input_type);
		9940	return AXIS_NUMBERING;
		9941	}
		9942	if( strcmp(input_type, axisnumbers) == 0 ){
		9943	free(input_type);
		9944	return AXIS_NUMBERING;
		9945	}
		9946	if( strcmp(input_type, axis) == 0 ){
		9947	free(input_type);
		9948	return AXIS;
		9949	}
		9950	if( strcmp(input_type, grid) == 0 ){
		9951	free(input_type);
		9952	return GRID;
		9953	}
9383	schaersvoo	9954	if( strcmp(input_type, hlines) == 0 \|\| strcmp(input_type, horizontallines) == 0 ){
8366	schaersvoo	9955	free(input_type);
		9956	return HLINES;
		9957	}
9383	schaersvoo	9958	if( strcmp(input_type, vlines) == 0 \|\| strcmp(input_type, verticallines) == 0 ){
8366	schaersvoo	9959	free(input_type);
		9960	return VLINES;
		9961	}
9383	schaersvoo	9962	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
7614	schaersvoo	9963	free(input_type);
		9964	return HLINE;
		9965	}
		9966	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		9967	free(input_type);
		9968	return VLINE;
		9969	}
		9970	if( strcmp(input_type, line) == 0 ){
		9971	free(input_type);
		9972	return LINE;
		9973	}
9383	schaersvoo	9974	if( strcmp(input_type, segments) == 0 \|\| strcmp(input_type, segs) == 0 ){
8299	schaersvoo	9975	free(input_type);
		9976	return SEGMENTS;
		9977	}
7614	schaersvoo	9978	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		9979	free(input_type);
		9980	return SEGMENT;
		9981	}
9374	schaersvoo	9982	if( strcmp(input_type, dsegments) == 0 ){
		9983	free(input_type);
		9984	use_dashed = TRUE;
		9985	return SEGMENTS;
		9986	}
7614	schaersvoo	9987	if( strcmp(input_type, dsegment) == 0 ){
		9988	free(input_type);
		9989	use_dashed = TRUE;
		9990	return SEGMENT;
		9991	}
		9992	if( strcmp(input_type, crosshairsize) == 0 ){
		9993	free(input_type);
		9994	return CROSSHAIRSIZE;
		9995	}
		9996	if( strcmp(input_type, arrowhead) == 0 ){
		9997	free(input_type);
		9998	return ARROWHEAD;
		9999	}
		10000	if( strcmp(input_type, crosshairs) == 0 ){
		10001	free(input_type);
		10002	return CROSSHAIRS;
		10003	}
		10004	if( strcmp(input_type, crosshair) == 0 ){
		10005	free(input_type);
		10006	return CROSSHAIR;
		10007	}
		10008	if( strcmp(input_type, onclick) == 0 ){
		10009	free(input_type);
		10010	return ONCLICK;
		10011	}
		10012	if( strcmp(input_type, drag) == 0 ){
		10013	free(input_type);
		10014	return DRAG;
		10015	}
		10016	if( strcmp(input_type, userdraw) == 0 ){
		10017	free(input_type);
		10018	return USERDRAW;
		10019	}
		10020	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		10021	free(input_type);
		10022	return STYLE;
		10023	}
		10024	if( strcmp(input_type, fillcolor) == 0 ){
		10025	free(input_type);
		10026	return FILLCOLOR;
		10027	}
		10028	if( strcmp(input_type, strokecolor) == 0 ){
		10029	free(input_type);
		10030	return STROKECOLOR;
		10031	}
		10032	if( strcmp(input_type, filled) == 0 ){
		10033	free(input_type);
		10034	return FILLED;
		10035	}
		10036	if( strcmp(input_type, http) == 0 ){
		10037	free(input_type);
		10038	return HTTP;
		10039	}
		10040	if( strcmp(input_type, rays) == 0 ){
		10041	free(input_type);
		10042	return RAYS;
		10043	}
		10044	if( strcmp(input_type, lattice) == 0 ){
		10045	free(input_type);
		10046	return LATTICE;
		10047	}
		10048	if( strcmp(input_type, bgimage) == 0 ){
		10049	free(input_type);
		10050	return BGIMAGE;
		10051	}
		10052	if( strcmp(input_type, bgcolor) == 0 ){
		10053	free(input_type);
		10054	return BGCOLOR;
		10055	}
		10056	if( strcmp(input_type, backgroundimage) == 0 ){
		10057	free(input_type);
		10058	return BGIMAGE;
		10059	}
		10060	if( strcmp(input_type, text) == 0 ){
		10061	free(input_type);
		10062	return FLY_TEXT;
		10063	}
		10064	if( strcmp(input_type, textup) == 0 ){
		10065	free(input_type);
		10066	return FLY_TEXTUP;
		10067	}
		10068	if( strcmp(input_type, mouse) == 0 ){
		10069	free(input_type);
		10070	return MOUSE;
		10071	}
7991	schaersvoo	10072	if( strcmp(input_type, mousex) == 0 ){
		10073	free(input_type);
		10074	return MOUSEX;
		10075	}
		10076	if( strcmp(input_type, mousey) == 0 ){
		10077	free(input_type);
		10078	return MOUSEY;
		10079	}
8071	schaersvoo	10080	if( strcmp(input_type, mouse_degree) == 0 ){
		10081	free(input_type);
		10082	return MOUSE_DEGREE;
		10083	}
		10084	if( strcmp(input_type, mouse_display) == 0 ){
		10085	free(input_type);
		10086	return MOUSE_DISPLAY;
		10087	}
7614	schaersvoo	10088	if( strcmp(input_type, mouseprecision) == 0 ){
		10089	free(input_type);
		10090	return MOUSE_PRECISION;
		10091	}
		10092	if( strcmp(input_type, precision) == 0 ){
		10093	free(input_type);
		10094	return MOUSE_PRECISION;
		10095	}
		10096	if( strcmp(input_type, curve) == 0 ){
		10097	free(input_type);
		10098	return CURVE;
		10099	}
		10100	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	10101	use_dashed = TRUE;
7614	schaersvoo	10102	free(input_type);
		10103	return CURVE;
		10104	}
		10105	if( strcmp(input_type, plot) == 0 ){
		10106	free(input_type);
		10107	return CURVE;
		10108	}
		10109	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	10110	use_dashed = TRUE;
7614	schaersvoo	10111	free(input_type);
		10112	return CURVE;
		10113	}
7788	schaersvoo	10114	if( strcmp(input_type, levelcurve) == 0 ){
		10115	free(input_type);
		10116	return LEVELCURVE;
		10117	}
7614	schaersvoo	10118	if( strcmp(input_type, plotsteps) == 0 ){
		10119	free(input_type);
		10120	return PLOTSTEPS;
		10121	}
		10122	if( strcmp(input_type, plotstep) == 0 ){
		10123	free(input_type);
		10124	return PLOTSTEPS;
		10125	}
		10126	if( strcmp(input_type, tsteps) == 0 ){
		10127	free(input_type);
		10128	return PLOTSTEPS;
		10129	}
		10130	if( strcmp(input_type, fontsize) == 0 ){
		10131	free(input_type);
		10132	return FONTSIZE;
		10133	}
		10134	if( strcmp(input_type, fontcolor) == 0 ){
		10135	free(input_type);
		10136	return FONTCOLOR;
		10137	}
		10138	if( strcmp(input_type, arrow2) == 0 ){
		10139	free(input_type);
		10140	return ARROW2;
		10141	}
		10142	if( strcmp(input_type, darrow) == 0 ){
		10143	free(input_type);
8071	schaersvoo	10144	use_dashed = TRUE;
7614	schaersvoo	10145	return ARROW;
		10146	}
		10147	if( strcmp(input_type, darrow2) == 0 ){
		10148	free(input_type);
		10149	use_dashed = TRUE;
		10150	return ARROW2;
		10151	}
8347	schaersvoo	10152	if( strcmp(input_type, arrows2) == 0 ){
		10153	free(input_type);
		10154	return ARROWS2;
		10155	}
9382	schaersvoo	10156	if( strcmp(input_type, arrows) == 0 \|\| strcmp(input_type, vectors) == 0 ){
8304	schaersvoo	10157	free(input_type);
		10158	return ARROWS;
		10159	}
9382	schaersvoo	10160	if( strcmp(input_type, arrow) == 0 \|\| strcmp(input_type, vector) == 0 ){
8304	schaersvoo	10161	free(input_type);
		10162	return ARROW;
		10163	}
7614	schaersvoo	10164	if( strcmp(input_type, zoom) == 0 ){
		10165	free(input_type);
		10166	return ZOOM;
		10167	}
		10168	if( strcmp(input_type, triangle) == 0 ){
		10169	free(input_type);
		10170	return TRIANGLE;
		10171	}
9306	schaersvoo	10172	if( strcmp(input_type, triangles) == 0 ){
		10173	free(input_type);
		10174	return TRIANGLES;
		10175	}
9374	schaersvoo	10176	if( strcmp(input_type, ftriangles) == 0 ){
		10177	free(input_type);
		10178	use_filled = TRUE;
		10179	return TRIANGLES;
		10180	}
7614	schaersvoo	10181	if( strcmp(input_type, ftriangle) == 0 ){
		10182	free(input_type);
		10183	use_filled = TRUE;
		10184	return TRIANGLE;
		10185	}
		10186	if( strcmp(input_type, input) == 0 ){
		10187	free(input_type);
		10188	return INPUT;
		10189	}
		10190	if( strcmp(input_type, inputstyle) == 0 ){
		10191	free(input_type);
		10192	return INPUTSTYLE;
		10193	}
		10194	if( strcmp(input_type, textarea) == 0 ){
		10195	free(input_type);
		10196	return TEXTAREA;
		10197	}
		10198	if( strcmp(input_type, mathml) == 0 ){
		10199	free(input_type);
		10200	return MATHML;
		10201	}
		10202	if( strcmp(input_type, html) == 0 ){
		10203	free(input_type);
		10204	return MATHML;
		10205	}
		10206	if( strcmp(input_type, fontfamily) == 0 ){
		10207	free(input_type);
		10208	return FONTFAMILY;
		10209	}
10975	schaersvoo	10210	if( strcmp(input_type, polyline) == 0 \|\| strcmp(input_type, path) == 0 \|\| strcmp(input_type, brokenline) == 0 ){
7614	schaersvoo	10211	free(input_type);
		10212	return POLYLINE;
		10213	}
8351	schaersvoo	10214	if( strcmp(input_type, lines) == 0 ){
		10215	free(input_type);
		10216	return LINES;
		10217	}
9374	schaersvoo	10218	if( strcmp(input_type, rects) == 0){
8363	schaersvoo	10219	free(input_type);
		10220	return RECTS;
		10221	}
9383	schaersvoo	10222	if( strcmp(input_type, frects) == 0 ){
8363	schaersvoo	10223	free(input_type);
9374	schaersvoo	10224	use_filled = TRUE;
8363	schaersvoo	10225	return RECTS;
		10226	}
7614	schaersvoo	10227	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		10228	free(input_type);
		10229	return RECT;
		10230	}
9374	schaersvoo	10231	if( strcmp(input_type, square) == 0 ){
		10232	free(input_type);
11991	schaersvoo	10233	return SQUARE;
9374	schaersvoo	10234	}
		10235	if( strcmp(input_type, fsquare) == 0 ){
		10236	free(input_type);
		10237	use_filled = TRUE;
		10238	return SQUARE;
		10239	}
		10240	if( strcmp(input_type, fsquares) == 0 ){
		10241	free(input_type);
		10242	use_filled = TRUE;
		10243	return RECTS;
		10244	}
8370	schaersvoo	10245	if( strcmp(input_type, roundrects) == 0 ){
		10246	free(input_type);
		10247	return ROUNDRECTS;
		10248	}
7614	schaersvoo	10249	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		10250	free(input_type);
		10251	return ROUNDRECT;
		10252	}
9374	schaersvoo	10253	if( strcmp(input_type, froundrects) == 0 ){
7614	schaersvoo	10254	free(input_type);
		10255	use_filled = TRUE;
9374	schaersvoo	10256	return ROUNDRECTS;
7614	schaersvoo	10257	}
9374	schaersvoo	10258	if( strcmp(input_type, froundrect) == 0 ){
7614	schaersvoo	10259	free(input_type);
		10260	use_filled = TRUE;
9374	schaersvoo	10261	return ROUNDRECT;
7614	schaersvoo	10262	}
		10263	if( strcmp(input_type, dline) == 0 ){
		10264	use_dashed = TRUE;
		10265	free(input_type);
		10266	return LINE;
		10267	}
7786	schaersvoo	10268	if( strcmp(input_type, dvline) == 0 ){
		10269	use_dashed = TRUE;
		10270	free(input_type);
		10271	return VLINE;
		10272	}
		10273	if( strcmp(input_type, dhline) == 0 ){
		10274	use_dashed = TRUE;
		10275	free(input_type);
		10276	return HLINE;
		10277	}
9386	schaersvoo	10278	if( strcmp(input_type, halflines) == 0 \|\| strcmp(input_type, demilines) == 0 ){
		10279	free(input_type);
		10280	return HALFLINES;
		10281	}
		10282	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
		10283	free(input_type);
		10284	return HALFLINE;
		10285	}
7614	schaersvoo	10286	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		10287	use_filled = TRUE;
		10288	free(input_type);
		10289	return RECT;
		10290	}
8304	schaersvoo	10291	if( strcmp(input_type, circles) == 0 ){
		10292	free(input_type);
		10293	return CIRCLES;
		10294	}
7614	schaersvoo	10295	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		10296	use_filled = TRUE;
		10297	free(input_type);
		10298	return CIRCLE;
		10299	}
9374	schaersvoo	10300	if( strcmp(input_type, fcircles) == 0 \|\| strcmp(input_type, disks) == 0 ){
		10301	use_filled = TRUE;
		10302	free(input_type);
		10303	return CIRCLES;
		10304	}
7614	schaersvoo	10305	if( strcmp(input_type, circle) == 0 ){
		10306	free(input_type);
		10307	return CIRCLE;
		10308	}
		10309	if( strcmp(input_type, point) == 0 ){
		10310	free(input_type);
		10311	return POINT;
		10312	}
		10313	if( strcmp(input_type, points) == 0 ){
		10314	free(input_type);
		10315	return POINTS;
		10316	}
9374	schaersvoo	10317	if( strcmp(input_type, filledarc) == 0 \|\| strcmp(input_type, farc) == 0 ){
7614	schaersvoo	10318	use_filled = TRUE;
		10319	free(input_type);
		10320	return ARC;
		10321	}
		10322	if( strcmp(input_type, arc) == 0 ){
		10323	free(input_type);
		10324	return ARC;
		10325	}
		10326	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		10327	free(input_type);
		10328	return POLY;
		10329	}
		10330	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		10331	use_filled = TRUE;
		10332	free(input_type);
		10333	return POLY;
		10334	}
		10335	if( strcmp(input_type, ellipse) == 0){
		10336	free(input_type);
		10337	return ELLIPSE;
		10338	}
12110	schaersvoo	10339	if( strcmp(input_type, ellipses) == 0){
		10340	free(input_type);
		10341	return ELLIPSES;
		10342	}
7614	schaersvoo	10343	if( strcmp(input_type, string) == 0 ){
		10344	free(input_type);
		10345	return STRING;
		10346	}
		10347	if( strcmp(input_type, stringup) == 0 ){
		10348	free(input_type);
		10349	return STRINGUP;
		10350	}
9385	schaersvoo	10351	if( strcmp(input_type, opacity) == 0 \|\| strcmp(input_type, transparent) == 0 ){
7614	schaersvoo	10352	free(input_type);
		10353	return OPACITY;
		10354	}
		10355	if( strcmp(input_type, comment) == 0){
		10356	free(input_type);
		10357	return COMMENT;
		10358	}
		10359	if( strcmp(input_type, fellipse) == 0){
		10360	free(input_type);
		10361	use_filled = TRUE;
		10362	return ELLIPSE;
8224	bpr	10363	}
9386	schaersvoo	10364	if( strcmp(input_type, clearbutton) == 0 \|\| strcmp(input_type, erase) == 0 \|\| strcmp(input_type, delete) == 0){
7614	schaersvoo	10365	free(input_type);
8146	schaersvoo	10366	return CLEARBUTTON;
7614	schaersvoo	10367	}
		10368	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		10369	free(input_type);
		10370	return TRANSLATION;
		10371	}
		10372	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		10373	free(input_type);
		10374	return KILLTRANSLATION;
		10375	}
		10376	if( strcmp(input_type, rotate) == 0){
		10377	free(input_type);
		10378	return ROTATE;
		10379	}
9907	schaersvoo	10380	if( strcmp(input_type, killrotate) == 0){
		10381	free(input_type);
		10382	return KILLROTATE;
		10383	}
		10384	if( strcmp(input_type, rotationcenter) == 0){
		10385	free(input_type);
		10386	return ROTATION_CENTER;
		10387	}
7785	schaersvoo	10388	if( strcmp(input_type, affine) == 0){
		10389	free(input_type);
		10390	return AFFINE;
		10391	}
		10392	if( strcmp(input_type, killaffine) == 0){
		10393	free(input_type);
		10394	return KILLAFFINE;
		10395	}
7614	schaersvoo	10396	if( strcmp(input_type, slider) == 0 ){
		10397	free(input_type);
		10398	return SLIDER;
		10399	}
8101	schaersvoo	10400	if( strcmp(input_type, killslider) == 0 ){
		10401	free(input_type);
		10402	return KILLSLIDER;
		10403	}
7614	schaersvoo	10404	if( strcmp(input_type, copy) == 0 ){
		10405	free(input_type);
		10406	return COPY;
		10407	}
		10408	if( strcmp(input_type, copyresized) == 0 ){
		10409	free(input_type);
		10410	return COPYRESIZED;
		10411	}
		10412	if( strcmp(input_type, xlogscale) == 0 ){
		10413	free(input_type);
		10414	return XLOGSCALE;
		10415	}
		10416	if( strcmp(input_type, ylogscale) == 0 ){
		10417	free(input_type);
		10418	return YLOGSCALE;
		10419	}
		10420	if( strcmp(input_type, xylogscale) == 0 ){
		10421	free(input_type);
		10422	return XYLOGSCALE;
		10423	}
		10424	if( strcmp(input_type, ylogscale) == 0 ){
		10425	free(input_type);
		10426	return YLOGSCALE;
		10427	}
7735	schaersvoo	10428	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	10429	free(input_type);
7735	schaersvoo	10430	return XLOGBASE;
7614	schaersvoo	10431	}
7735	schaersvoo	10432	if( strcmp(input_type, ylogbase) == 0 ){
		10433	free(input_type);
		10434	return YLOGBASE;
		10435	}
7614	schaersvoo	10436	if( strcmp(input_type, intooltip) == 0 ){
		10437	free(input_type);
		10438	return INTOOLTIP;
		10439	}
9329	schaersvoo	10440	if( strcmp(input_type, popup) == 0 ){
		10441	free(input_type);
		10442	return POPUP;
		10443	}
7614	schaersvoo	10444	if( strcmp(input_type,video) == 0 ){
		10445	free(input_type);
		10446	return VIDEO;
		10447	}
14225	schaersvoo	10448	if( strcmp(input_type,latex) == 0 ){
		10449	free(input_type);
		10450	return LATEX;
		10451	}
11772	schaersvoo	10452	if( strcmp(input_type,fillall) == 0 ){
		10453	free(input_type);
		10454	return FILLALL;
		10455	}
7614	schaersvoo	10456	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		10457	free(input_type);
		10458	return FLOODFILL;
8224	bpr	10459	}
7614	schaersvoo	10460	if( strcmp(input_type,filltoborder) == 0 ){
		10461	free(input_type);
		10462	return FILLTOBORDER;
8224	bpr	10463	}
14038	schaersvoo	10464	if( strcmp(input_type, curvedarrow2) == 0 ){
		10465	free(input_type);
		10466	return CURVEDARROW2;
		10467	}
		10468	if( strcmp(input_type, curvedarrow) == 0 ){
		10469	free(input_type);
		10470	return CURVEDARROW;
		10471	}
		10472	if( strcmp(input_type, curvedarrows) == 0 ){
		10473	free(input_type);
		10474	return CURVEDARROWS;
		10475	}
		10476	if( strcmp(input_type, curvedarrows2) == 0 ){
		10477	free(input_type);
		10478	return CURVEDARROWS2;
		10479	}
7614	schaersvoo	10480	if( strcmp(input_type, replyformat) == 0 ){
		10481	free(input_type);
		10482	return REPLYFORMAT;
		10483	}
		10484	if( strcmp(input_type, pixelsize) == 0 ){
		10485	free(input_type);
		10486	return PIXELSIZE;
		10487	}
		10488	if( strcmp(input_type, setpixel) == 0 ){
		10489	free(input_type);
		10490	return SETPIXEL;
		10491	}
		10492	if( strcmp(input_type, pixels) == 0 ){
		10493	free(input_type);
		10494	return PIXELS;
		10495	}
		10496	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		10497	free(input_type);
		10498	return X_AXIS_STRINGS;
		10499	}
9341	schaersvoo	10500	if( strcmp(input_type, xaxisup) == 0 \|\| strcmp(input_type, xaxistextup) == 0 ){
		10501	free(input_type);
		10502	return X_AXIS_STRINGS_UP;
		10503	}
7614	schaersvoo	10504	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		10505	free(input_type);
		10506	return Y_AXIS_STRINGS;
		10507	}
		10508	if( strcmp(input_type, legend) == 0 ){
		10509	free(input_type);
		10510	return LEGEND;
		10511	}
		10512	if( strcmp(input_type, legendcolors) == 0 ){
		10513	free(input_type);
		10514	return LEGENDCOLORS;
		10515	}
		10516	if( strcmp(input_type, xlabel) == 0 ){
		10517	free(input_type);
		10518	return XLABEL;
		10519	}
		10520	if( strcmp(input_type, ylabel) == 0 ){
		10521	free(input_type);
		10522	return YLABEL;
		10523	}
8370	schaersvoo	10524	if( strcmp(input_type, bezier) == 0 ){
		10525	free(input_type);
		10526	return BEZIER;
		10527	}
7614	schaersvoo	10528	if( strcmp(input_type, animate) == 0 ){
		10529	free(input_type);
		10530	return ANIMATE;
		10531	}
9354	schaersvoo	10532	/* these are bitmap related flydraw commands...must be removed. eventually */
7614	schaersvoo	10533	if( strcmp(input_type, transparent) == 0 ){
		10534	free(input_type);
		10535	return TRANSPARENT;
		10536	}
7877	schaersvoo	10537	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	10538	free(input_type);
		10539	return STATUS;
		10540	}
7784	schaersvoo	10541	if( strcmp(input_type, xsnaptogrid) == 0 ){
		10542	free(input_type);
		10543	return XSNAPTOGRID;
		10544	}
		10545	if( strcmp(input_type, ysnaptogrid) == 0 ){
		10546	free(input_type);
		10547	return YSNAPTOGRID;
		10548	}
8379	schaersvoo	10549	if( strcmp(input_type, snaptogrid) == 0 ){
		10550	free(input_type);
		10551	return SNAPTOGRID;
		10552	}
		10553	if( strcmp(input_type, snaptopoints) == 0 ){
		10554	free(input_type);
		10555	return SNAPTOPOINTS;
		10556	}
9213	schaersvoo	10557	if( strcmp(input_type, snaptofunction) == 0 \|\| strcmp(input_type, snaptofun) == 0 ){
		10558	free(input_type);
		10559	return SNAPTOFUNCTION;
		10560	}
7652	schaersvoo	10561	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	10562	free(input_type);
7652	schaersvoo	10563	return USERINPUT_XY;
		10564	}
8193	schaersvoo	10565	if( strcmp(input_type, userinput_function) == 0 ){
		10566	free(input_type);
		10567	return USERINPUT_FUNCTION;
		10568	}
7663	schaersvoo	10569	if( strcmp(input_type, usertextarea_xy) == 0 ){
		10570	free(input_type);
		10571	return USERTEXTAREA_XY;
		10572	}
8222	schaersvoo	10573	if( strcmp(input_type, userinput) == 0 ){
		10574	free(input_type);
		10575	return USERINPUT;
		10576	}
8105	schaersvoo	10577	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	10578	free(input_type);
8105	schaersvoo	10579	return ANGLE;
		10580	}
8297	schaersvoo	10581	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	10582	free(input_type);
8297	schaersvoo	10583	return FUNCTION_LABEL;
		10584	}
9213	schaersvoo	10585	if( strcmp(input_type, sliderfunction_x) == 0 ){
8297	schaersvoo	10586	free(input_type);
9213	schaersvoo	10587	return SLIDER_X;
		10588	}
		10589	if( strcmp(input_type, sliderfunction_y) == 0 ){
		10590	free(input_type);
		10591	return SLIDER_Y;
		10592	}
		10593	if( strcmp(input_type, multidraw) == 0 ){
		10594	free(input_type);
		10595	return MULTIDRAW;
		10596	}
		10597	if( strcmp(input_type, multistrokeopacity) == 0 ){
		10598	free(input_type);
		10599	return MULTISTROKEOPACITY;
		10600	}
		10601	if( strcmp(input_type, multifillopacity) == 0 ){
		10602	free(input_type);
		10603	return MULTIFILLOPACITY;
		10604	}
		10605	if( strcmp(input_type, multilinewidth) == 0 ){
		10606	free(input_type);
		10607	return MULTILINEWIDTH;
		10608	}
		10609	if( strcmp(input_type, multistrokecolors) == 0 ){
		10610	free(input_type);
		10611	return MULTISTROKECOLORS;
		10612	}
		10613	if( strcmp(input_type, multifill) == 0 ){
		10614	free(input_type);
		10615	return MULTIFILL;
		10616	}
		10617	if( strcmp(input_type, multifillcolors) == 0 ){
		10618	free(input_type);
		10619	return MULTIFILLCOLORS;
		10620	}
		10621	if( strcmp(input_type, multilabel) == 0 ){
		10622	free(input_type);
		10623	return MULTILABEL;
		10624	}
		10625	if( strcmp(input_type, multidash) == 0 ){
		10626	free(input_type);
		10627	return MULTIDASH;
		10628	}
14038	schaersvoo	10629	if( strcmp(input_type, multisnaptogrid) == 0 \|\| strcmp(input_type, multisnap) == 0 ){
9213	schaersvoo	10630	free(input_type);
		10631	return MULTISNAPTOGRID;
		10632	}
14038	schaersvoo	10633	if( strcmp(input_type, multiuserinput) == 0 \|\| strcmp(input_type, multiinput) == 0 ){
9213	schaersvoo	10634	free(input_type);
		10635	return MULTIUSERINPUT;
		10636	}
9386	schaersvoo	10637	if( strcmp(input_type, parallel) == 0 ){
		10638	free(input_type);
		10639	return PARALLEL;
		10640	}
9289	schaersvoo	10641	if( strcmp(input_type, protractor) == 0 ){
		10642	free(input_type);
		10643	return PROTRACTOR;
		10644	}
		10645	if( strcmp(input_type, ruler) == 0 ){
		10646	free(input_type);
		10647	return RULER;
		10648	}
9386	schaersvoo	10649	if( strcmp(input_type, cursor) == 0 \|\| strcmp(input_type, pointer) == 0 ){
9213	schaersvoo	10650	free(input_type);
9386	schaersvoo	10651	return CURSOR;
		10652	}
		10653	if( strcmp(input_type, sgraph) == 0 ){
		10654	free(input_type);
		10655	return SGRAPH;
		10656	}
		10657	if( strcmp(input_type, jsmath) == 0 ){
		10658	free(input_type);
		10659	return JSMATH;
		10660	}
		10661	if( strcmp(input_type, trace_jscurve) == 0 ){
		10662	free(input_type);
		10663	return TRACE_JSCURVE;
		10664	}
		10665	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		10666	free(input_type);
		10667	return JSCURVE;
		10668	}
		10669	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
		10670	free(input_type);
		10671	return CENTERSTRING;
		10672	}
		10673	if( strcmp(input_type, setlimits) == 0 ){
		10674	free(input_type);
		10675	return SETLIMITS;
		10676	}
		10677	if( strcmp(input_type, xunit) == 0 ){
		10678	free(input_type);
		10679	return XUNIT;
		10680	}
		10681	if( strcmp(input_type, yunit) == 0 ){
		10682	free(input_type);
		10683	return YUNIT;
		10684	}
		10685	if( strcmp(input_type, fill) == 0 ){
		10686	free(input_type);
		10687	return FLOODFILL;
		10688	}
		10689	if( strcmp(input_type, end) == 0){
		10690	free(input_type);
		10691	return END;
		10692	}
		10693	if( strcmp(input_type, blink) == 0 ){
		10694	free(input_type);
		10695	return BLINK;
		10696	}
		10697	if( strcmp(input_type, audio) == 0 ){
		10698	free(input_type);
		10699	return AUDIO;
		10700	}
		10701	if( strcmp(input_type, audioobject) == 0 ){
		10702	free(input_type);
		10703	return AUDIOOBJECT;
		10704	}
		10705	if( strcmp(input_type, patternfill) == 0 ){
		10706	free(input_type);
		10707	return PATTERNFILL;
		10708	}
		10709	if( strcmp(input_type, hatchfill) == 0 ){
		10710	free(input_type);
		10711	return HATCHFILL;
		10712	}
		10713	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
		10714	free(input_type);
		10715	return DIAMONDFILL;
		10716	}
		10717	if( strcmp(input_type, dotfill) == 0 ){
		10718	free(input_type);
		10719	return DOTFILL;
		10720	}
11830	schaersvoo	10721	if( strcmp(input_type, textfill) == 0 ){
		10722	free(input_type);
		10723	return TEXTFILL;
		10724	}
9386	schaersvoo	10725	if( strcmp(input_type, gridfill) == 0 ){
		10726	free(input_type);
		10727	return GRIDFILL;
		10728	}
		10729	if( strcmp(input_type, imagefill) == 0 ){
		10730	free(input_type);
		10731	return IMAGEFILL;
		10732	}
		10733	if( strcmp(input_type, clicktile_colors) == 0 ){
		10734	free(input_type);
		10735	return CLICKTILE_COLORS;
		10736	}
		10737	if( strcmp(input_type, clicktile) == 0 ){
		10738	free(input_type);
		10739	return CLICKTILE;
		10740	}
		10741	if( strcmp(input_type, piechart) == 0 ){
		10742	free(input_type);
		10743	return PIECHART;
		10744	}
9433	schaersvoo	10745	if( strcmp(input_type, boxplot) == 0 ){
		10746	free(input_type);
		10747	return BOXPLOT;
		10748	}
9465	schaersvoo	10749	if( strcmp(input_type, boxplotdata) == 0 ){
9433	schaersvoo	10750	free(input_type);
9465	schaersvoo	10751	return BOXPLOTDATA;
9433	schaersvoo	10752	}
9465	schaersvoo	10753	if( strcmp(input_type, userboxplot) == 0 ){
		10754	free(input_type);
		10755	return USERBOXPLOT;
		10756	}
		10757	if( strcmp(input_type, userboxplotdata) == 0 ){
		10758	free(input_type);
		10759	return USERBOXPLOT;
		10760	}
9386	schaersvoo	10761	if( strcmp(input_type, barchart) == 0 ){
		10762	free(input_type);
		10763	return BARCHART;
		10764	}
		10765	if( strcmp(input_type, linegraph) == 0 ){
		10766	free(input_type);
		10767	return LINEGRAPH;
		10768	}
		10769	if( strcmp(input_type, clock) == 0 ){
		10770	free(input_type);
		10771	return CLOCK;
		10772	}
9427	schaersvoo	10773	if( strcmp(input_type, yerrorbars) == 0 ){
9386	schaersvoo	10774	free(input_type);
9427	schaersvoo	10775	return YERRORBARS;
		10776	}
		10777	if( strcmp(input_type, xerrorbars) == 0 ){
		10778	free(input_type);
		10779	return XERRORBARS;
		10780	}
11006	schaersvoo	10781	if( strcmp(input_type, canvastype) == 0 ){
9427	schaersvoo	10782	free(input_type);
11006	schaersvoo	10783	return CANVASTYPE;
		10784	}
11044	schaersvoo	10785	if( strcmp(input_type, noyaxis) == 0 ){
11006	schaersvoo	10786	free(input_type);
11044	schaersvoo	10787	return NOYAXIS;
		10788	}
		10789	if( strcmp(input_type, noxaxis) == 0 ){
		10790	free(input_type);
		10791	return NOXAXIS;
		10792	}
11767	schaersvoo	10793	if( strcmp(input_type, colorpalette) == 0 ){
11044	schaersvoo	10794	free(input_type);
11767	schaersvoo	10795	return COLORPALETTE;
		10796	}
14038	schaersvoo	10797	if( strcmp(input_type, imagepalette) == 0 ){
		10798	free(input_type);
		10799	return IMAGEPALETTE;
		10800	}
11802	schaersvoo	10801	if( strcmp(input_type, resetoffset) == 0 ){
11767	schaersvoo	10802	free(input_type);
11802	schaersvoo	10803	return RESETOFFSET;
		10804	}
		10805	if( strcmp(input_type, xyoffset) == 0 ){
		10806	free(input_type);
		10807	return XYOFFSET;
		10808	}
12063	schaersvoo	10809	if( strcmp(input_type, centered) == 0 ){
11802	schaersvoo	10810	free(input_type);
12063	schaersvoo	10811	return CENTERED;
11802	schaersvoo	10812	}
12063	schaersvoo	10813	if( strcmp(input_type, yoffset) == 0 ){
11802	schaersvoo	10814	free(input_type);
11811	schaersvoo	10815	return YOFFSET;
		10816	}
12063	schaersvoo	10817	if( strcmp(input_type, xoffset) == 0 ){
		10818	free(input_type);
		10819	return XOFFSET;
		10820	}
11837	schaersvoo	10821	if( strcmp(input_type, fillpattern) == 0 ){
11811	schaersvoo	10822	free(input_type);
11837	schaersvoo	10823	return FILLPATTERN;
		10824	}
11890	schaersvoo	10825	if( strcmp(input_type, numberline) == 0 ){
11837	schaersvoo	10826	free(input_type);
11890	schaersvoo	10827	return NUMBERLINE;
		10828	}
		10829	free(input_type);
7614	schaersvoo	10830	ungetc(c,infile);
		10831	return 0;
		10832	}
14038	schaersvoo	10833
		10834
		10835
		10836
		10837
		10838
		10839
		10840
		10841
		10842
		10843
		10844
		10845
14208	schaersvoo	10846

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 17583 – Rev 14248