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);
7614	schaersvoo	19	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		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;
		51	double tmax = 2;
		52	double tmin = -2;
		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*/
8097	schaersvoo	57	int slider = 0;/* slider=1 : x-values ; slider=2 : y-values;slider=3 angle values */
7785	schaersvoo	58	int use_affine = FALSE;
7614	schaersvoo	59	int use_rotate = FALSE;
		60	int use_filled = FALSE;
		61	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
8097	schaersvoo	62
7614	schaersvoo	63	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
9329	schaersvoo	64	char *getfile_cmd = "";
7614	schaersvoo	65	/******************************************************************************
		66	** Main Program
		67	******************************************************************************/
		68	int main(int argc, char *argv[]){
		69	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		70	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		71	infile = stdin;/* read flyscript via stdin */
		72	int i,c;
		73	double double_data[MAX_INT+1];
		74	int int_data[MAX_INT+1];
		75	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		76	int use_parametric = FALSE;/* will be reset after parametric plotting */
11802	schaersvoo	77	int use_offset = FALSE;/* use_offset only for text shape objects... 0=none;1=xcentered;2=xyoffset*/
7614	schaersvoo	78	int use_axis = FALSE;
		79	int use_axis_numbering = FALSE;
7797	schaersvoo	80	int use_pan_and_zoom = FALSE;
7956	schaersvoo	81	int use_safe_eval = FALSE; /* if true, add just once : js function to evaluate userinput values for plotting etc */
7858	schaersvoo	82	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		83	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
11006	schaersvoo	84	int jsplot_cnt = 0; /* keepint track on the curve identity */
8448	schaersvoo	85	int print_drag_params_only_once = FALSE;/* avoid multiple useless identical lines about javascript precision and use_dragdrop */
7614	schaersvoo	86	int line_width = 1;
		87	int decimals = 2;
8365	schaersvoo	88	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate.May be redefined before every object */
		89	int use_userdraw = FALSE; /* flag to indicate user interaction */
7614	schaersvoo	90	int drag_type = -1;/* 0,1,2 : xy,x,y */
9329	schaersvoo	91	int use_tooltip = -1; /* 1= tooltip 2= popup window*/
7614	schaersvoo	92	char *tooltip_text = "Click here";
		93	char temp = ""; / */
		94	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		95	char *stroke_color = "255,0,0";
		96	char *fill_color = "0,255,0";
		97	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		98	char *font_color = "#00000";
		99	char *draw_type = "points";
		100	char *fly_font = "normal";
8815	schaersvoo	101	char *input_style = "font-family:Ariel;text-align:center;color:blue;font-size:12px;background-color:orange;";
7614	schaersvoo	102	char *flytext = "";
7785	schaersvoo	103	char *affine_matrix = "[1,0,0,1,0,0]";
8297	schaersvoo	104	char *function_label = "f(x)=";
11006	schaersvoo	105	int canvas_type = DRAG_CANVAS; /* to use a specific canvas for filling etc */
7614	schaersvoo	106	int pixelsize = 1;
		107	int reply_format = 0;
		108	int input_cnt = 0;
		109	int ext_img_cnt = 0;
8071	schaersvoo	110	int slider_cnt = 0;
11763	schaersvoo	111	int fill_cnt = 0;
10953	bpr	112	int font_size = 12;/* this may lead to problems when using something like "fontfamily Italic 24px Ariel" the "font_size" value is not substituted into fontfamily !! */
8388	schaersvoo	113	int fly_font_size = 12; /fly_font_size is relative to this... /
8365	schaersvoo	114	int dashtype[2] = { 4 , 4 }; /* just line_px and space_px : may have more arguments...if needed in future*/
7614	schaersvoo	115	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		116	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
8365	schaersvoo	117	int arrow_head = 8; /* size in px needed for arrow based userdraw: "userdraw arrow,color" */
7833	schaersvoo	118	int crosshair_size = 5; /* size in px*/
8365	schaersvoo	119	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 */
		120	int found_size_command = 0; /* 1 = found size ; 2 = found xrange; 3 = found yrange :just to flag an error message */
8448	schaersvoo	121	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	122	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		123	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
7989	schaersvoo	124	int barchart_cnt = 0; /* identifier for command 'barchart' ; multiple charts may be plotted in a single plot*/
9433	schaersvoo	125	int boxplot_cnt = 0;
7956	schaersvoo	126	int legend_cnt = -1; /* to allow multiple legends to be used, for multiple piecharts etc */
8074	schaersvoo	127	int reply_precision = 100; /* used for precision of student answers / drawings */
7614	schaersvoo	128	double angle = 0.0;
10953	bpr	129	char *rotation_center = "null";
8365	schaersvoo	130	int clickfillmarge = 20; /* in pixels : if the 'remove click' is within this marge, the filling is removed */
		131	int animation_type = 9; /* REMOVED == object type curve in drag library */
7823	schaersvoo	132	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
10953	bpr	133	int use_slider_display = 0; /* in case of a slider, should we display its value ?*/
8365	schaersvoo	134	size_t string_length = 0; /* measure the size of the user input fly-string */
		135	double stroke_opacity = 0.8; /* use some opacity as default */
		136	double fill_opacity = 0.8;/* use some opacity as default */
7614	schaersvoo	137	char *URL = "http://localhost/images";
9213	schaersvoo	138	char *slider_function_x = "x";
		139	char *slider_function_y = "y";
7614	schaersvoo	140	memset(buffer,'\0',MAX_BUFFER);
		141	void *tmp_buffer = "";
8224	bpr	142
7614	schaersvoo	143	/* default writing a unzipped js-include file into wims getfile directory */
		144	char *w_wims_session = getenv("w_wims_session");
8224	bpr	145	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	146	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		147	}
		148	int L0=strlen(w_wims_session) + 21;
		149	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		150	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		151	mode_t process_mask = umask(0); /* check if file exists */
		152	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		153	if( result == 0 \|\| errno == EEXIST ){
		154	umask(process_mask); /* be sure to set correct permission */
8224	bpr	155	char *w_session = getenv("w_session");
7614	schaersvoo	156	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
9329	schaersvoo	157	getfile_cmd = my_newmem(L1); /* create memory to fit string precisely */
8224	bpr	158	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 */
7614	schaersvoo	159	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		160	/* now write file into getfile dir*/
		161	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		162	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		163	char location = my_newmem(L2); / create memory to fit string precisely */
		164	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		165	js_include_file = fopen(location,"w");/* open the file location for writing */
		166	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		167	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		168
		169	/* ----------------------------------------------------- */
		170	/* while more lines to process */
		171
		172	while(!finished){
9329	schaersvoo	173	if(line_number>1 && found_size_command == 0 && use_tooltip != 2 ){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
7614	schaersvoo	174	type = get_token(infile);
		175	done = FALSE;
		176	/*
9385	schaersvoo	177	@ canvasdraw
		178	@ will try use the same syntax as 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...)
9386	schaersvoo	179	@ 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'<br />(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)</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 'family' may be combined with keywords <a href="#snaptogrid">"snaptogrid \| xsnaptogrid \| ysnaptogrid \| snaptofunction</a> or command "snaptopoints x1,y1,x2,y2,..." </li><li>every draggable \| onclick object may be combined with keywords <a href="#snaptogrid">snaptogrid \| xsnaptogrid \| ysnaptogrid \| snaptofunction</a> or command "snaptopoints x1,y1,x2,y2,..." </li><li>almost every command for a single object has a multiple objects counterpart:<br /><ul>general syntaxrule:<li><em>single_object</em> x1,y1,...,color</li><li><em>multi_object</em> color,x1,y1,...</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 'fontfamily' is <b>not</b> active for these elements </li></ul>
10953	bpr	180	@ If needed multiple interactive scripts may be used in a single webpage.<br />A function 'read_canvas()' and / or 'read_dragdrop()' can read all interactive userdata from these images.<br />The global array 'canvas_scripts' 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 />fun = eval("read_canvas"+canvas_scripts[0]) 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 /><em>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";<br />    };<br />   };<br />  };<br /> if( found_result ){return draw_reply;}else{return null;};<br />};</em>
11006	schaersvoo	181	@ 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>
10962	schaersvoo	182	@ for usage within OEF (without anstype "draw"), something like this (a popup function plotter) will work:<br /><small>\\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 />}</small>
9427	schaersvoo	183	@ 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's not wise to use older browsers...not just for canvasdraw
10827	schaersvoo	184	@ 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.
11002	schaersvoo	185	@ 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 with canvasdraw on touch devices: use the command family <a href="userinput_xy">userinput</a>
7614	schaersvoo	186	*/
		187	switch(type){
		188	case END:
		189	finished = 1;
		190	done = TRUE;
		191	break;
		192	case 0:
		193	sync_input(infile);
		194	break;
		195	case COMMENT:
		196	sync_input(infile);
		197	break;
11806	schaersvoo	198	case AFFINE:
7614	schaersvoo	199	/*
11806	schaersvoo	200	@ affine a,b,c,d,tx,ty
		201	@ defines a transformation matrix for subsequent objects
		202	@ images drawn by setting skew params a & d will be very different from Flydraw's "affine a,b,c,d,e,tx,ty" !!
		203	@ use keyword 'killaffine' to end the transformation
		204	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		205	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		206	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		207	@ a : Scales the drawings horizontally
		208	@ b : Skews the drawings horizontally
		209	@ c : Skews the drawings vertically
		210	@ d : Scales the drawings vertically
		211	@ tx: Moves the drawings horizontally in xrange coordinate system
		212	@ ty: Moves the drawings vertically in yrange coordinate system
		213	@ the data precision may be set by preceding command "precision int"
7614	schaersvoo	214	*/
11806	schaersvoo	215	for(i = 0 ; i<6;i++){
7614	schaersvoo	216	switch(i){
11806	schaersvoo	217	case 0: double_data[0] = get_real(infile,0);break;
		218	case 1: double_data[1] = get_real(infile,0);break;
		219	case 2: double_data[2] = get_real(infile,0);break;
		220	case 3: double_data[3] = get_real(infile,0);break;
		221	case 4: double_data[4] = get_real(infile,0);break;
		222	case 5: double_data[5] = get_real(infile,1);
		223	use_affine = TRUE;
		224	decimals = find_number_of_digits(precision);
		225	string_length = 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));
		226	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		227	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));
		228	break;
7614	schaersvoo	229	default: break;
		230	}
		231	}
11806	schaersvoo	232	break;
8386	schaersvoo	233
11806	schaersvoo	234	case ANGLE:
7614	schaersvoo	235	/*
11806	schaersvoo	236	@ angle xc,yc,width,start_angle,end_angle,color
		237	@ width is in x-range
		238	@ will zoom in/out
		239	@ if size is controlled by command <a href='#slider'>'slider'</a> use radians to set limits of slider.
7614	schaersvoo	240	*/
11806	schaersvoo	241	for(i=0;i<7;i++){
7614	schaersvoo	242	switch(i){
11806	schaersvoo	243	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		244	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		245	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		246	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		247	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		248	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		249	decimals = find_number_of_digits(precision);
		250	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		251	reset();
		252	break;
7614	schaersvoo	253	}
		254	}
		255	break;
8386	schaersvoo	256
11806	schaersvoo	257	case ANIMATE:
7614	schaersvoo	258	/*
11806	schaersvoo	259	@ animate type
		260	@ REMOVED : this should be done with a slider
		261	@ type may be "point" (nothing else , yet...)
		262	@ the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		263	@ will animate a point on the next plot/curve command
		264	@ the curve will not be draw
		265	@ moves repeatedly from xmin to xmax
7614	schaersvoo	266	*/
11806	schaersvoo	267	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
7614	schaersvoo	268	break;
8386	schaersvoo	269
		270
11806	schaersvoo	271	case ARC:
7614	schaersvoo	272	/*
11806	schaersvoo	273	@ arc xc,yc,width,height,start_angle,end_angle,color
		274	@ can <b>not</b> be set "onclick" or "drag xy"
		275	@ <b>attention</b>: width in height in x/y-range
		276	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		277	@ use command <a href='#angle'>'angle'</a> for scalable angle
7614	schaersvoo	278	*/
11806	schaersvoo	279	for(i=0;i<7;i++){
		280	switch(i){
		281	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		282	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		283	case 2:double_data[2] = get_real(infile,0);break; /* width x-range no pixels ! */
		284	case 3:double_data[3] = get_real(infile,0);break; /* height y-range no pixels ! */
		285	case 4:double_data[4] = get_real(infile,0);break; /* start angle in degrees */
		286	case 5:double_data[5] = get_real(infile,0);break; /* end angle in degrees */
		287	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		288	/* in Shape library:
		289	x[0] = x[1] = xc = double_data[0]
		290	y[0] = y[1] = yc = double_data[1]
		291	w[0] = width = double_data[2]
		292	w[1] = height = double_data[3]
		293	h[0] = start_angle = double_data[4]
		294	h[1] = end_angle = double_data[5]
		295	*/
		296	decimals = find_number_of_digits(precision);
		297	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		298	reset();
		299	break;
		300	}
		301	}
7614	schaersvoo	302	break;
11806	schaersvoo	303	case ARROW:
7614	schaersvoo	304	/*
11806	schaersvoo	305	@ arrow x1,y1,x2,y2,h,color
		306	@ alternative : vector
		307	@ draw a single headed arrow / vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		308	@ use command 'linewidth int' to adjust thickness of the arrow
9406	schaersvoo	309	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	310	*/
11806	schaersvoo	311	for(i=0;i<6;i++){
7614	schaersvoo	312	switch(i){
		313	case 0: double_data[0] = get_real(infile,0);break; /* x */
		314	case 1: double_data[1] = get_real(infile,0);break; /* y */
11806	schaersvoo	315	case 2: double_data[2] = get_real(infile,0);break; /* x */
		316	case 3: double_data[3] = get_real(infile,0);break; /* y */
		317	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		318	case 5: stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	319	decimals = find_number_of_digits(precision);
11806	schaersvoo	320	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		321	if(onclick > 0){click_cnt++;}
		322	/* click_cnt++;*/
		323	reset();
		324	break;
		325	}
		326	}
		327	break;
8386	schaersvoo	328
11806	schaersvoo	329	case ARROWS:
7614	schaersvoo	330	/*
11806	schaersvoo	331	@ arrows color,head (px),x1,y1,x2,y2...x_n,y_n
		332	@ alternative : vectors
		333	@ draw single headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		334	@ use command 'linewidth int' to adjust thickness of the arrow
		335	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
7614	schaersvoo	336	*/
		337	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		338	fill_color = stroke_color;
11806	schaersvoo	339	arrow_head = (int) get_real(infile,0);/* h */
7614	schaersvoo	340	i=0;
		341	while( ! done ){ /* get next item until EOL*/
		342	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		343	if(i%2 == 0 ){
		344	double_data[i] = get_real(infile,0); /* x */
		345	}
		346	else
		347	{
		348	double_data[i] = get_real(infile,1); /* y */
		349	}
		350	i++;
		351	}
		352	decimals = find_number_of_digits(precision);
11806	schaersvoo	353	for(c = 0 ; c < i-1 ; c = c+4){
		354	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		355	if(onclick > 0){click_cnt++;}
8379	schaersvoo	356	/* click_cnt++; */
7614	schaersvoo	357	}
		358	reset();
		359	break;
8386	schaersvoo	360
11806	schaersvoo	361	case ARROW2:
7614	schaersvoo	362	/*
11806	schaersvoo	363	@ arrow2 x1,y1,x2,y2,h,color
		364	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		365	@ use command 'arrowhead int' to adjust the arrow head size
		366	@ use command 'linewidth int' to adjust thickness of the arrow
9406	schaersvoo	367	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	368	*/
11806	schaersvoo	369	for(i=0;i<6;i++){
7614	schaersvoo	370	switch(i){
		371	case 0: double_data[0] = get_real(infile,0);break; /* x */
		372	case 1: double_data[1] = get_real(infile,0);break; /* y */
11806	schaersvoo	373	case 2: double_data[2] = get_real(infile,0);break; /* x */
		374	case 3: double_data[3] = get_real(infile,0);break; /* y */
		375	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		376	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		377	decimals = find_number_of_digits(precision);
		378	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		379	if(onclick > 0){click_cnt++;}
		380	/* click_cnt++;*/
		381	reset();
		382	break;
		383	}
		384	}
		385	break;
8386	schaersvoo	386
11806	schaersvoo	387	case ARROWS2:
7614	schaersvoo	388	/*
11806	schaersvoo	389	@ arrows2 color,head (px),x1,y1,x2,y2...x_n,y_n
		390	@ draw double headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		391	@ use command 'linewidth int' to adjust thickness of the arrows
		392	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
7614	schaersvoo	393	*/
		394	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		395	fill_color = stroke_color;
11806	schaersvoo	396	arrow_head = (int) get_real(infile,0);/* h */
7614	schaersvoo	397	i=0;
		398	while( ! done ){ /* get next item until EOL*/
		399	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		400	if(i%2 == 0 ){
		401	double_data[i] = get_real(infile,0); /* x */
		402	}
		403	else
		404	{
		405	double_data[i] = get_real(infile,1); /* y */
		406	}
		407	i++;
		408	}
8224	bpr	409	decimals = find_number_of_digits(precision);
11806	schaersvoo	410	for(c = 0 ; c < i-1 ; c = c+4){
		411	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		412	if(onclick > 0){click_cnt++;}
8379	schaersvoo	413	/* click_cnt++; */
11806	schaersvoo	414
7614	schaersvoo	415	}
		416	reset();
		417	break;
11806	schaersvoo	418	case ARROWHEAD:
9427	schaersvoo	419	/*
11806	schaersvoo	420	@ arrowhead int
		421	@ default 8 (pixels)
9427	schaersvoo	422	*/
11806	schaersvoo	423	arrow_head = (int) (get_real(infile,1));
		424	break;
		425
		426	case AUDIO:
		427	/*
		428	@ audio x,y,w,h,loop,visible,audiofile location
		429	@ x,y : left top corner of audio element (in xrange / yrange)
		430	@ w,y : width and height in pixels
		431	@ loop : 0 or 1 ( 1 = loop audio fragment)
		432	@ visible : 0 or 1 (1 = show controls)
		433	@ audio format may be in .mp3 or .ogg
		434	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		435	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		436	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		437	@ example: upload both audio1.ogg and audio1.mp3 to http://server/files/<br />audio 0,0,http://server/files/audio1.mp3<br />svdraw will copy html-tag audio1.mp3 to audio1.ogg<br /> and the browser will play the compatible file (audio1.ogg or audio1.mp3)<br />
		438	*/
		439	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		440	for(i=0;i<7;i++){
		441	switch(i){
		442	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		443	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		444	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		445	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		446	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		447	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
		448	case 6:
		449	temp = get_string(infile,1);
		450	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		451	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		452	string_length = 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);
		453	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		454	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);
		455	add_to_buffer(tmp_buffer);
		456	break;
		457	default:break;
9427	schaersvoo	458	}
11806	schaersvoo	459	}
		460	reset();
		461	break;
		462
		463
		464	case AXIS_NUMBERING:
		465	/*
		466	@ axisnumbering
		467	@ keyword (no arguments required)
		468	@ 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>
		469	@ to be used before command grid (see <a href="#grid">command grid</a>)
		470	*/
		471	use_axis_numbering = 1;
		472	break;
		473	case AXIS:
		474	/*
		475	@ axis
		476	@ keyword (no arguments required)
		477	@ to be used before command grid (see <a href="#grid">command grid</a>)
		478
		479	*/
		480	use_axis = TRUE;
		481	break;
		482
		483	case BARCHART:
		484	/*
		485	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		486	@ may <b>only</b> to be used together with command <a href='#grid'>'grid'</a>
		487	@ 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>
		488	@ use command <a href='#legend'>'legend'</a> to provide an optional legend in right-top-corner
		489	@ multiple barchart command may be used in a single script
		490	@ also see command <a href='#piechart'>'piechart'</a>
		491	@ note: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		492	*/
		493	temp = get_string(infile,1);
		494	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		495	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		496	barchart_cnt++;
		497	reset();
		498	break;
		499
		500	case BEZIER:
		501	/*
		502	@ bezier color,x_start,y_start,x_first,y_first,x_second,y_second,x_end,y_end
		503	@ draw a bezier curve between points, starting from (x_start:y_start)
		504	@ can <b>not</b> be dragged or set onclick
		505	*/
		506	if( js_function[DRAW_BEZIER] != 1 ){ js_function[DRAW_BEZIER] = 1;}
		507	decimals = find_number_of_digits(precision);
		508	for(i = 0 ; i < 9; i++){
		509	switch(i){
		510	case 0: stroke_color = get_color(infile,0);break;
		511	case 1: double_data[0] = get_real(infile,0);break;/* start x */
		512	case 2: double_data[1] = get_real(infile,0);break;/* start y */
		513	case 3: double_data[2] = get_real(infile,0);break;/The x-coordinate of the first B�zier control point /
		514	case 4: double_data[3] = get_real(infile,0);break;/The y-coordinate of the first B�zier control point /
		515	case 5: double_data[4] = get_real(infile,0);break;/The x-coordinate of the second B�zier control point /
		516	case 6: double_data[5] = get_real(infile,0);break;/The y-coordinate of the second B�zier control point /
		517	case 7: double_data[6] = get_real(infile,0);break;/The x-coordinate of the B�zier end point /
		518	case 8: double_data[7] = get_real(infile,1);/The y-coordinate of the B�zier end point /
		519	string_length = 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);
		520	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		521	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);
		522	add_to_buffer(tmp_buffer);
		523	break;
		524	default: break;
9427	schaersvoo	525	}
		526	}
		527	reset();
		528	break;
11806	schaersvoo	529
		530
		531	case BGCOLOR:
9427	schaersvoo	532	/*
11806	schaersvoo	533	@ bgcolor colorname or #hex
		534	@ use this color as background of the "div" containing the canvas(es)
9427	schaersvoo	535	*/
11806	schaersvoo	536	/* [255,255,255]*/
		537	bgcolor = get_string(infile,1);
		538	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		539	int found = 0;
		540	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		541	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		542	bgcolor = colors[i].hex;
		543	found = 1;
		544	break;
		545	}
9427	schaersvoo	546	}
11806	schaersvoo	547	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		548	}
		549	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		550	break;
		551
		552	case BGIMAGE:
		553	/*
		554	@ bgimage image_location
		555	@ use an image as background .<br />technical: we use the background of 'canvas_div'
		556	@ the background image will be resized to match "width = xsize" and "height = ysize"
		557	*/
		558	URL = get_string(infile,1);
		559	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);
		560	break;
		561
		562	case BLINK:
		563	/*
		564	@ blink time(seconds)
		565	@ NOT IMPLEMETED -YET
		566	*/
		567	break;
		568
		569	case BOXPLOT:
		570	/*
		571	@ boxplot x_or_y,box-height_or_box-width,position,min,Q1,median,Q3,max
		572	@ example:<br />xrange 0,300<br />yrange 0,10<br />boxplot x,4,8,120,160,170,220,245<br />meaning: create a boxplot in x-direction, with height 4 (in yrange) and centered around line y=8
		573	@ example:<br />xrange 0,10<br />yrange 0,300<br />boxplot y,4,8,120,160,170,220,245<br />meaning: create a boxplot in y-direction, with width 4 (in xrange) and centered around line x=8
		574	@ 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
		575	@ use command <a href='#opacity'>'opacity'</a> to adjust fill_opacity of stroke and fill colours
		576	@ use command <a href='#legend'>'legend'</a> to automatically create a legend <br />unicode allowed in legend<br />use command 'fontfamily' to set the font of the legend.
		577	@ there is no limit to the number of boxplots used.
		578	@ can <b>not</b> be set draggable (<a href='#onclick'>'onclick'</a> is not ready ,yet)
		579	@ 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)
		580	@ use keyword <a href="#userboxplotdata">'userboxplotdata'</a> before command boxplot, if a pupil must generate the data by some means.
		581	@ use command <a href="#boxplotdata">'boxplotdata'</a> when the boxplot should be drawn from wims-generated raw statistical date
		582	*/
		583	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		584	for(i=0;i<8;i++){
		585	switch(i){
		586	case 0: temp = get_string_argument(infile,0);
		587	if( strstr(temp,"x") != 0){int_data[0] = 1;}else{int_data[0] = 0;} break; /* x or y */
		588	case 1: double_data[0] = get_real(infile,0);break;/* height \| width */
		589	case 2:
		590	if( js_function[DRAW_JSBOXPLOT] == 0 ){
		591	double_data[1] = get_real(infile,0);
		592	fprintf(js_include_file,"var boxplot_source = 0;\n");/* we use given min,Q1,median,Q3,max */
		593	}
		594	else
		595	{
		596	double_data[1] = get_real(infile,1);
		597	double_data[2] = 1;
		598	double_data[3] = 1;
		599	double_data[4] = 1;
		600	double_data[5] = 1;
		601	double_data[6] = 1;
		602	double_data[7] = 1;
		603	i=8;
		604	}
		605	break;/* center value x or y */
		606	case 3: double_data[2] = get_real(infile,0); break;/* min */
		607	case 4: double_data[3] = get_real(infile,0); break;/* Q1 */
		608	case 5: double_data[4] = get_real(infile,0); break;/* median */
		609	case 6: double_data[5] = get_real(infile,0); break;/* Q3 */
		610	case 7: double_data[6] = get_real(infile,1); break;/* max */
		611	default:break;
9427	schaersvoo	612	}
		613	}
		614	decimals = find_number_of_digits(precision);
11806	schaersvoo	615	/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)/
		616	string_length = 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]);
		617	check_string_length(string_length);
		618	tmp_buffer = my_newmem(string_length+1);
		619	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]);
		620	add_to_buffer(tmp_buffer);
		621	boxplot_cnt++;
		622	reset();
		623	break;
		624	case BOXPLOTDATA:
		625	/*
		626	@ boxplotdata some_data
		627	@ 'some_data' are a list of numbers separated by a comma "," (items)
		628	@ only be used before command 'boxplot': the command <a href="#boxplot">'boxplot'</a> will provide the boxplot drawing of the data.
		629	@ 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
		630	@ note: wims will not check your data input \| format. use js-error console to debug any problems.
		631	@ a javascript function 'statistics()' will parse the data and calculate the values [min,Q1,median,Q3,max] and hand them to the boxplot draw function.
		632	*/
		633	if( js_function[DRAW_JSBOXPLOT] != 1 ){ js_function[DRAW_JSBOXPLOT] = 1;}
		634	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		635	fprintf(js_include_file,"var boxplot_source = 1;var jsboxplot_data = [%s];\n",get_string(infile,1));
		636
		637	break;
		638
		639	case CANVASTYPE:
		640	canvas_type = (int) (get_real(infile,1));
		641	/*
		642	@ canvastype TYPE
		643	@ for now only usefull before commands filltoborder / floodfill / clickfill etc operations<br />Only the images of this TYPE will be scanned and filled
		644	@ default value of TYPE is DRAG_CANVAS e.g. 5 (all clickable / draggable object are in this canvas)
		645	@ use another TYPE, if you know what you are doing...
		646	@ 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>
		647	*/
		648	break;
		649
		650	case CENTERSTRING:
		651	/*
		652	@ centerstring color,y-value,the text string
		653	@ title color,y-value,the text string
		654	@ draw a string centered on the canvas at y = y-value
		655	@ can not be set "onclick" or "drag xy" (...)
		656	@ unicode supported: centerstring red,5,\\u2232
		657	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
		658	*/
		659	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		660	for(i=0;i<3;i++){
		661	switch(i){
		662	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		663	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		664	case 2: temp = get_string_argument(infile,1);
		665	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		666	decimals = find_number_of_digits(precision);
		667	string_length = snprintf(NULL,0,
		668	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		669	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		670	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);
		671	add_to_buffer(tmp_buffer);
		672	break;
		673	default:break;
		674	}
9427	schaersvoo	675	}
		676	break;
8386	schaersvoo	677
11806	schaersvoo	678
8386	schaersvoo	679	case CIRCLE:
8299	schaersvoo	680	/*
8386	schaersvoo	681	@ circle xc,yc,width (2*r in pixels),color
9383	schaersvoo	682	@ use command 'fcircle xc,yc,d,color'
		683	@ alternative: disk for a filled circle
8386	schaersvoo	684	@ use command 'fillcolor color' to set the fillcolor
9406	schaersvoo	685	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8386	schaersvoo	686	@ will shrink / expand on zoom out / zoom in
8299	schaersvoo	687	*/
8386	schaersvoo	688	for(i=0;i<4;i++){
		689	switch(i){
		690	case 0: double_data[0] = get_real(infile,0);break; /* x */
		691	case 1: double_data[1] = get_real(infile,0);break; /* y */
		692	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
		693	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		694	decimals = find_number_of_digits(precision);
11802	schaersvoo	695	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8386	schaersvoo	696	if(onclick > 0){click_cnt++;}
		697	/* click_cnt++;*/
		698	reset();
		699	break;
		700	default : break;
		701	}
		702	}
		703	break;
		704
		705	case CIRCLES:
		706	/*
		707	@ circles color,xc1,yc1,r1,xc2,yc2,r2...xc_n,yc_n,r_n
9383	schaersvoo	708	@ <b>attention</b> r = radius in x-range (!)
		709	@ use keyword 'filled' or command 'fcircles' to produce solid circles
		710	@ alternative : disks for filled circles
8386	schaersvoo	711	@ use command 'fillcolor color' to set the fillcolor
9406	schaersvoo	712	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> (individually)
8386	schaersvoo	713	@ will shrink / expand on zoom out / zoom in
		714	*/
8299	schaersvoo	715	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		716	fill_color = stroke_color;
8386	schaersvoo	717	i=1;
8299	schaersvoo	718	while( ! done ){ /* get next item until EOL*/
		719	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
8386	schaersvoo	720	switch (i%3){
		721	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		722	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		723	case 0:double_data[i-1] = get_real(infile,1);break; /* r */
8299	schaersvoo	724	}
		725	i++;
		726	}
		727	decimals = find_number_of_digits(precision);
8386	schaersvoo	728	for(c = 0 ; c < i-1 ; c = c+3){
11802	schaersvoo	729	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	730	if(onclick > 0){click_cnt++;}
8386	schaersvoo	731	/* click_cnt++; */
8299	schaersvoo	732	}
		733	reset();
		734	break;
11806	schaersvoo	735	case CLEARBUTTON:
		736	/*
		737	@ clearbutton value
		738	@ alternative : delete
		739	@ alternative : erase
		740	@ adds a button to clear the <a href="#userdraw">userdraw</a> canvas with text 'value'
		741	@ <b>attention</b> command 'clearbutton' is incompatible with <a href="multidraw">multidraw</a> based drawings<br/>(in 'multidraw' there is always a remove_object_button for every drawprimitive)
		742	@ 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
		743	@ uses the tooltip placeholder div element: may not be used with command 'intooltip'
		744	@ use command <a href="#inputstyle">'inputstyle'</a> to style the button...
		745	@ 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 /><em>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 />  <!−− or document.getElementById("clearbutton"+canvas_scripts[p]).setAttribute("style","some_style"); −−><br />  p++;<br /> };<br />};<br />
		746	*/
		747	if(reply_format == 29){/* eg multidraw is selected */
		748	canvas_error("command clearbutton incompatible with multidraw...only suitable for userdraw");
		749	}
		750	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
		751	break;
8386	schaersvoo	752
11806	schaersvoo	753	case CLOCK:
7614	schaersvoo	754	/*
11806	schaersvoo	755	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		756	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
		757	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		758	@ 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
		759	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
		760	@ 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>
		761	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		762	@ no combinations with other reply_types allowed, for now
		763	@ 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
		764	@ 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
		765	@ note: clocks will not zoom or pan, when using command <a href='#zoom'>'zoom'</a>
7614	schaersvoo	766	*/
11806	schaersvoo	767	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		768
		769	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		770	for(i=0;i<9;i++){
		771	switch(i){
		772	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		773	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		774	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		775	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		776	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		777	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
		778	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 */
		779	case 7: int_data[7] = (int)(get_real(infile,1));/* interactive 0,1,2*/
		780	switch(int_data[7]){
		781	case 0:break;
		782	case 1:if(clock_cnt == 0){
		783	if( reply_format == 0 ){
		784	reply_format = 18; /* user sets clock */
		785	/* string_length = 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");
		786	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		787	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");
		788	add_to_buffer(tmp_buffer);
		789	*/
		790	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");
		791	}
		792	else
		793	{
		794	canvas_error("interactive clock may not be used together with other reply_types...");
		795	}
		796	}
		797	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);
		798	break;
		799	case 3:if(clock_cnt == 0){
		800	if( reply_format == 0 ){
		801	reply_format = 18; /* user sets clock */
		802	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");
		803	}
		804	else
		805	{
		806	canvas_error("interactive clock may not be used together with other reply_types...");
		807	}
		808	}
		809	/*
		810	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);
		811	*/
		812	break;
		813	case 2:if( reply_format == 0 ){
		814	reply_format = 19; /* "onclick */
		815	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");
		816	}
		817	else
		818	{
		819	if( reply_format != 19){
		820	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		821	}
		822	}
		823	break;
		824	default: canvas_error("interactive must be set 0,1 or 2");break;
		825	}
		826	break;
		827	case 8:
		828	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		829	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		830	}
		831	temp = get_string(infile,3);/* optional colors, like: ,,red,,blue*/
		832	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		833	else{
		834	/* h_color,m_color,s_color,bg_color,fg_color */
		835	temp = ",black\",\"black\",\"red\",\"white\",\"black";}
		836	string_length = 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);
		837	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		838	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);
		839	add_to_buffer(tmp_buffer);
		840	fprintf(js_include_file,"var clocks%d;",clock_cnt);
		841	clock_cnt++;
		842	break;
		843	default:break;
		844	}
		845	}
		846	break;
		847
		848
		849	case COLORPALETTE:
		850	/*
		851	@ colorpalette color_name_1,color_name_2,...,color_name_8
		852	@ opacity will be the same for all colors and is set by command <a href="#opacity">opacity [0-255],[0-255]</a>
		853	@ 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
		854	@ make sure to include the 'remove button' by using command <a href='#clearbutton'>clearbutton some_text</a>
		855	*/
		856	if( use_tooltip == 1 ){canvas_error("command 'colorpalette' is incompatible with command 'intooltip tip_text'");}
		857	fprintf(js_include_file,"var multifillcolors = [];var palettecolors = [");
		858	while( ! done ){
		859	temp = get_color(infile,1);
		860	fprintf(js_include_file,"\"%s\",",temp);
		861	}
		862	fprintf(js_include_file,"];");/* add black to avoid trouble with dangling comma... */
		863	add_color_palette(js_include_file,canvas_root_id,input_style);
		864	break;
		865
		866	case COPY:
		867	/*
		868	@ copy x,y,x1,y1,x2,y2,[filename URL]
		869	@ The image may be "bitmap" or "SVG"
		870	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		871	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
		872	@ [filename] is the URL of the image
		873	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		874	@ 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 'snaptopoints x1,y1,x2,y2...'
		875	@ 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
		876	@ 'onclick' for external images may be mixed with canvas generated stuff (like lines,curves etc)
		877	@ you may draw / userdraw / drag other stuff on top of an "imported" image
		878	*/
		879	for(i = 0 ; i<7;i++){
7614	schaersvoo	880	switch(i){
11806	schaersvoo	881	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		882	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		883	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		884	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		885	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		886	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		887	case 6: URL = get_string(infile,1);
		888	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		889	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		890	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		891	int_data[9] = click_cnt;
		892	if( drag_type > -1 ){/* e.g. we are dragging images x/y/xy */
		893	if( reply_format == 0 ){ reply_format = 20; }
		894	int_data[8] = 2;/* drag & drop */
		895	}
		896	else
		897	{
		898	if( onclick == 1 ){
		899	reply_format = 20;
		900	int_data[8] = 1; /* onclick will be reset using 'void reset()'*/
		901	click_cnt++; /* will also be used in dragstuff ! */
		902	}
		903	else
		904	{
		905	int_data[8] = 0; /* just static image */
		906	}
		907	}
		908	/*
		909	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,ext_img_cnt,resizable,draggable,click_cnt)
		910	*/
		911	string_length = snprintf(NULL,0, "draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,0,%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]);
		912	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		913	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,0,%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]);
		914	drag_type = -1; /* reset the drag_type indicator */
		915	ext_img_cnt++;
		916	onclick=0;
		917	add_to_buffer(tmp_buffer);
		918	break;
7614	schaersvoo	919	default: break;
		920	}
		921	}
		922	break;
11806	schaersvoo	923	/*
		924	HTML5 specs:
		925	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		926	img Specifies the image, canvas, or video element to use
		927	sx The x coordinate where to start clipping : x1 = int_data[0]
		928	sy The y coordinate where to start clipping : x2 = int_data[1]
		929	swidth The width of the clipped image : int_data[2] - int_data[0]
		930	sheight The height of the clipped image : int_data[3] - int_data[1]
		931	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		932	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		933	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		934	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		935	*/
		936	case COPYRESIZED:
		937	/*
		938	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
		939	@ The image may be any "bitmap" or "SVG"
		940	@ 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
		941	@ (dx1:dy1) must be left top corner; (dx2 :dy2) must be right bottom corner of inserted image
		942	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		943	@ 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 !!)
		944	@ 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 'snaptopoints x1,y1,x2,y2...'
		945	@ 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
		946	@ 'onclick' for external images may be mixed with canvas generated stuff (like lines,curves etc)
		947	@ you may draw / userdraw / drag stuff on top of an "imported" image
		948	*/
		949	for(i = 0 ; i<9;i++){
		950	switch(i){
		951	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		952	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		953	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		954	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		955	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		956	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		957	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		958	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		959	case 8: URL = get_string(infile,1);
		960	/* flag error when wrong diagonal: copyresized -1,-1,-1,-1,0,0,7,7,testfig.gif */
		961	if( int_data[7] < int_data[5] \|\| int_data[6] < int_data[4]){
		962	canvas_error("in copyresized , use:<br />left top corner (dx1:dy1) and right bottom corner (dx2:dy2) ! ");
		963	}
		964	int_data[2] = abs(int_data[2] - int_data[0]);/* swidth */
		965	int_data[3] = abs(int_data[3] - int_data[1]);/* sheight */
		966	int_data[6] = abs(int_data[6] - int_data[4]);/* width */
		967	int_data[7] = abs(int_data[7] - int_data[5]);/* height */
		968	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		969	int_data[9] = click_cnt;
		970	if( drag_type > -1 ){/* e.g. we are dragging images x/y/xy */
		971	if( reply_format == 0 ){ reply_format = 20; }
		972	int_data[8] = 2;/* drag & drop */
		973	}
		974	else
		975	{
		976	if( onclick == 1 ){
		977	reply_format = 20;
		978	int_data[8] = 1; /* onclick will be reset using 'void reset()'*/
		979	click_cnt++; /* will also be used in dragstuff ! */
		980	}
		981	else
		982	{
		983	int_data[8] = 0; /* just static image */
		984	}
		985	}
		986	/*
		987	(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt)
		988	URL,[2],[3],[6], [7], [4],[5],[6],[7],ext_img_cnt,1, [8], [9]
		989	*/
		990	string_length = snprintf(NULL,0, "draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,1,%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]);
		991	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		992	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,1,%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]);
		993	drag_type = -1; /* reset the drag_type indicator */
		994	ext_img_cnt++;
		995	onclick=0;
		996	add_to_buffer(tmp_buffer);
		997	break;
		998	default: break;
		999	}
		1000	}
		1001	break;
8386	schaersvoo	1002
11806	schaersvoo	1003
		1004	case CROSSHAIR:
8386	schaersvoo	1005	/*
11806	schaersvoo	1006	@ crosshair x,y,color
		1007	@ draw a single crosshair point at (x;y) in color 'color'
		1008	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		1009	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1010	*/
		1011	for(i=0;i<3;i++){
		1012	switch(i){
		1013	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1014	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1015	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		1016	decimals = find_number_of_digits(precision);
		1017	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		1018	if(onclick > 0){click_cnt++;}
		1019	/* click_cnt++ */
		1020	reset();
		1021	break;
		1022	default:break;
		1023	}
		1024	}
		1025	break;
		1026
		1027	case CROSSHAIRS:
		1028	/*
		1029	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		1030	@ draw multiple crosshair points at given coordinates in color 'color'
		1031	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
9406	schaersvoo	1032	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
8386	schaersvoo	1033	*/
		1034	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1035	fill_color = stroke_color;
		1036	i=0;
		1037	while( ! done ){ /* get next item until EOL*/
		1038	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1039	if(i%2 == 0 ){
		1040	double_data[i] = get_real(infile,0); /* x */
		1041	}
		1042	else
		1043	{
		1044	double_data[i] = get_real(infile,1); /* y */
		1045	}
		1046	i++;
		1047	}
		1048	decimals = find_number_of_digits(precision);
11806	schaersvoo	1049	for(c=0 ; c < i-1 ; c = c+2){
		1050	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8386	schaersvoo	1051	if(onclick > 0){click_cnt++;}
11806	schaersvoo	1052	/* click_cnt++; */
8386	schaersvoo	1053	}
		1054	reset();
		1055	break;
		1056
11806	schaersvoo	1057	case CROSSHAIRSIZE:
7614	schaersvoo	1058	/*
11806	schaersvoo	1059	@ crosshairsize int
		1060	@ default 8 (px)
7614	schaersvoo	1061	*/
11806	schaersvoo	1062	crosshair_size = (int) (get_real(infile,1));
		1063	break;
		1064
		1065	case CURSOR:
		1066	/*
		1067	@ cursor 'some CSS cursor_style'
		1068	@ alternative : pointer
		1069	@ style can be any valid CSS property value, like crosshair,grabbing,move etc
		1070	@ wims will not check the validity of your cursor declaration
		1071	*/
		1072	fprintf(js_include_file,"canvas_div%d.style.cursor = \"%s\";",canvas_root_id,get_string(infile,1));
		1073	break;
		1074
		1075	case CURVE:
		1076	/*
		1077	@ curve color,formula(x)
		1078	@ alernative : plot color,formula(x)
		1079	@ use command <a href="#trange">trange</a> in parametric functions before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1080	@ use command <a href="#precision">"precision" </a>to ncrease the number of digits of the plotted points
		1081	@ use command <a href="#plotsteps">"plotsteps"</a> to increase / decrease the amount of plotted points (default 150)
		1082	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1083	@ if you need a plot beyond xrange / yrange, use <a href="#jsplot">"jsplot"'</a><br />(command "curve" will only calculate points within the xrange)
		1084	*/
		1085	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1086	use_parametric = FALSE;
		1087	stroke_color = get_color(infile,0);
		1088	char *fun1 = get_string_argument(infile,0);
		1089	char *fun2 = get_string_argument(infile,1);
		1090	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
		1091	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,animation_type,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,slider,slider_cnt,rotation_center,use_offset);
		1092	}
		1093	else
		1094	{
		1095	stroke_color = get_color(infile,0);
		1096	char *fun1 = get_string_argument(infile,1);
		1097	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1098	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,animation_type,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,slider,slider_cnt,rotation_center,use_offset);
		1099	}
		1100	if(onclick > 0){click_cnt++;}
		1101	/* click_cnt++; */
		1102	reset();
		1103	break;
		1104
		1105	case DASHED:
		1106	/*
		1107	@ dashed
		1108	@ keyword (no arguments required)
		1109	@ next object will be drawn with a dashed line
		1110	@ change dashing scheme by using command <a href="#dashtype">dashtype</a>
		1111	*/
		1112	use_dashed = TRUE;
		1113	break;
		1114
		1115	case DASHTYPE:
		1116	/*
		1117	@ dashtype line_width_px,space_width_px
		1118	@ every indiviual object may have its own dashtype, if needed...
		1119	@ When keyword <a href='#dashed'>dashed</a> is set, the objects will be drawn with this dashtype
		1120	@ default value "dashtype 2,2" e.g. 2px line and 2px space
		1121	@ html5 canvas specification supports more arguments (dashing schemes) ... but not all modern browsers are yet capable
		1122	*/
		1123	for(i=0;i<2;i++){
		1124	switch(i){
		1125	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		1126	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		1127	}
		1128	}
		1129	break;
		1130
		1131	case DIAMONDFILL:
		1132	/*
		1133	@ diamondfill x0,y0,dx,dy,color
		1134	@ x0,y0 in xrange / yrange
		1135	@ distances dx,dy in pixels
		1136	@ ATTENTION: NOT TO BE USED AS ALTERNATIVE FOR FLYDRAW COMMAND
		1137	*/
		1138	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
7614	schaersvoo	1139	for(i=0;i<5;i++){
		1140	switch(i){
11806	schaersvoo	1141	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		1142	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		1143	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		1144	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		1145	case 4: stroke_color = get_color(infile,1);
		1146	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		1147	string_length = snprintf(NULL,0, "draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1148	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1149	snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1150	add_to_buffer(tmp_buffer);
		1151	break;
		1152	default:break;
		1153	}
		1154	}
		1155	reset();
		1156	break;
8224	bpr	1157
11806	schaersvoo	1158	case DOTFILL:
		1159	/*
		1160	@ dotfill x0,y0,dx,dy,color
		1161	@ x0,y0 in xrange / yrange
		1162	@ distances dx,dy in pixels
		1163	@ radius of dots is linewidth
		1164	*/
		1165	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		1166	for(i=0;i<5;i++){
		1167	switch(i){
		1168	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		1169	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		1170	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		1171	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		1172	case 4: stroke_color = get_color(infile,1);
		1173	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		1174	string_length = snprintf(NULL,0, "draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1175	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1176	snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1177	add_to_buffer(tmp_buffer);
7614	schaersvoo	1178	break;
11806	schaersvoo	1179	default:break;
7614	schaersvoo	1180	}
		1181	}
11806	schaersvoo	1182	reset();
		1183	break;
		1184
		1185	case DRAG:
		1186	/*
		1187	@ drag [x][y][xy]
		1188	@ the next object will be draggable in x / y / xy direction
		1189	@ the displacement can be read by 'javascript:read_dragdrop();'
		1190	@ 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' !
		1191	@ 'onclick' and 'drag x\|y\|xy' may be combined (for different objects: a single object can either be onclick or drag , not both )
		1192	@ '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)
		1193	@ <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 /><em>linewidth 4<br />point 0,0,red<br />drag xy<br />point 0,0,blue<br /></em>the blue point will not be recognised as draggable !<br /><em>linewidth 4<br />drag xy<br />point 0,0,red<br />drag xy<br />point 0,0,blue<br /></em>both points will be recognised
		1194	@ 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)
		1195	@ use keyword 'snaptogrid' , 'xsnaptogrid' , 'ysnaptogrid' or command 'snaptopoints x1,y1,x2,y2,...' to switch from free to discrete movement
		1196	@ 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.
		1197	@ note: in case an object is dragged , zooming or panning will cause the coordinates to be reset to the original position :( <br />e.g. dragging / panning will get lost. (array with 'drag data' is erased)<br />This is a design flaw and not a feature !!
		1198	*/
		1199	temp = get_string(infile,1);
		1200	if(strstr(temp,"xy") != NULL ){
		1201	drag_type = 0;
		1202	}
		1203	else
		1204	{
		1205	if(strstr(temp,"x") != NULL ){
		1206	drag_type = 1;
		1207	}
		1208	else
		1209	{
		1210	drag_type = 2;
		1211	}
		1212	}
		1213	/* assuming all drag&drop coordinates the same precision: so set only once */
		1214	if( print_drag_params_only_once == FALSE ){
		1215	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;\n",precision);
		1216	print_drag_params_only_once = TRUE;
		1217	}
		1218	onclick = 2;
		1219	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
7614	schaersvoo	1220	break;
8386	schaersvoo	1221
11806	schaersvoo	1222	case ELLIPSE:
8351	schaersvoo	1223	/*
11806	schaersvoo	1224	@ ellipse xc,yc,radius_x,radius_y,color
		1225	@ a ellipse with center xc/yc in x/y-range
		1226	@ radius_x and radius_y are in pixels
9406	schaersvoo	1227	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
11806	schaersvoo	1228	@ will shrink / expand on zoom out / zoom in
8351	schaersvoo	1229	*/
11806	schaersvoo	1230	for(i=0;i<5;i++){
		1231	switch(i){
		1232	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		1233	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		1234	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
		1235	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
		1236	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		1237	decimals = find_number_of_digits(precision);
		1238	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,3,[%.f],[%.f],[%.f],[%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		1239	if(onclick > 0){click_cnt++;}
		1240	/* click_cnt++; */
		1241	reset();
		1242	break;
		1243	}
		1244	}
		1245	break;
		1246	case FILLALL:
		1247	/*
		1248	@ fillall color,x1,y1,x2,y2...x_n,y_n
		1249	@ fill all region containing points (x1:y1),(x2:y2)...(x_n:y_n) with color 'color'
		1250	@ any other colors (objects) in the <a href="#canvastype>canvastype</a> will act as border to the bucket fill
		1251	@ use this command after all boundary objects are declared.
		1252	@ Use command 'userdraw clickfill,color' for user click driven flood fill.
		1253	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1254	@ note: the fill-family of commands are very (client) cpu intensive operations!<br />filling is done pixel by pixel<br/>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..
		1255	*/
		1256	decimals = find_number_of_digits(precision);
		1257	fill_color=get_color(infile,0); /* how nice: now the color comes first...*/
8351	schaersvoo	1258	i=0;
11806	schaersvoo	1259	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1260	js_function[DRAW_FILLTOBORDER] = 1;
		1261	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1262	}
8351	schaersvoo	1263	while( ! done ){ /* get next item until EOL*/
		1264	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1265	if(i%2 == 0 ){
		1266	double_data[i] = get_real(infile,0); /* x */
		1267	}
		1268	else
		1269	{
		1270	double_data[i] = get_real(infile,1); /* y */
11806	schaersvoo	1271	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1272	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1273	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1274	add_to_buffer(tmp_buffer);
		1275	fill_cnt++;
8351	schaersvoo	1276	}
		1277	i++;
		1278	}
11806	schaersvoo	1279	break;
		1280
		1281	case FILLED:
		1282	/*
		1283	@ filled
		1284	@ keyword (no arguments required)
		1285	@ the next 'fillable' object (only) will be filled
		1286	@ use command "fillcolor color" to set fillcolor
		1287	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1288	@ use command "fill x,y,color" or "floodfill x,y,color" to fill the space around (x;y) with color <br />pixel operation implemented in javascript: use with care !
		1289	*/
		1290	use_filled = TRUE;
		1291	break;
		1292
		1293	case FILLCOLOR:
		1294	/*
		1295	@ fillcolor colorname or #hex
		1296	@ set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1297	@ all fillable massive objects will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1298	*/
		1299	fill_color = get_color(infile,1);
		1300	break;
		1301
		1302	case FILLTOBORDER:
		1303	/*
		1304	@ filltoborder x,y,bordercolor,color
		1305	@ fill the region of point (x:y) with color 'color'
		1306	@ any other color will not act as border to the bucket fill
		1307	@ use this command after all boundary objects are declared.
		1308	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1309	@ note: filltoborder is a very (client) cpu intensive operation!<br />filling is done pixel by pixel<br/>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..
		1310	@ maybe used together with command <a href="#userdraw">userdraw clickfill,color</a>
		1311	*/
		1312	for(i=0 ;i < 4 ; i++){
		1313	switch(i){
		1314	case 0:double_data[0] = get_real(infile,0);break;
		1315	case 1:double_data[1] = get_real(infile,0);break;
		1316	case 2:bgcolor = get_color(infile,0);break;
		1317	case 3:fill_color = get_color(infile,1);
		1318	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1319	js_function[DRAW_FILLTOBORDER] = 1;
		1320	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1321	}
		1322	decimals = find_number_of_digits(precision);
		1323	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		1324	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1325	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1326	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1327	add_to_buffer(tmp_buffer);
		1328	fill_cnt++;
		1329	break;
		1330	default:break;
8351	schaersvoo	1331	}
11806	schaersvoo	1332	}
		1333	reset();
		1334	break;
		1335	case FLOODFILL:
		1336	/*
		1337	@ floodfill x,y,color
		1338	@ alternative : fill x,y,color
		1339	@ fill the region of point (x:y) with color 'color'
		1340	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		1341	@ use this command after all boundary objects are declared.
		1342	@ Use command 'userdraw clickfill,color' for user click driven flood fill.
		1343	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1344	@ note: floodfill is a very (client) cpu intensive operation!<br />filling is done pixel by pixel<br/>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..
		1345	*/
		1346	for(i=0 ;i < 4 ; i++){
		1347	switch(i){
		1348	case 0:double_data[0] = get_real(infile,0);break;
		1349	case 1:double_data[1] = get_real(infile,0);break;
		1350	case 2:fill_color = get_color(infile,1);
		1351	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1352	js_function[DRAW_FILLTOBORDER] = 1;
		1353	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1354	}
		1355	decimals = find_number_of_digits(precision);
		1356	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		1357	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1358	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1359	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d);},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);
		1360	add_to_buffer(tmp_buffer);
		1361	fill_cnt++;
		1362	break;
		1363	default:break;
		1364	}
		1365	}
		1366	reset();
		1367	break;
		1368
		1369	case FONTCOLOR:
		1370	/*
		1371	@ fontcolor color
		1372	@ color: hexcolor or colorname
		1373	@ default: black
		1374	@ example usage: x/y-axis text
		1375	*/
		1376	font_color = get_color(infile,1);
		1377	break;
		1378
		1379	case FONTFAMILY:
		1380	/*
		1381	@ fontfamily font_description
		1382	@ set the font family; for browsers that support it
		1383	@ font_description: Ariel ,Courier, Helvetica etc
		1384	@ in case commands<br /> 'string color,x,y,the string'<br /> 'stringup color,x,y,rotation,the string'<br />fontfamily can be something like:<br />italic 34px Ariel
		1385	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1386	*/
		1387	font_family = get_string(infile,1);
		1388	break;
		1389
		1390	case FONTSIZE:
		1391	/*
		1392	@ fontsize font_size
		1393	@ default value 12
		1394	@ note:for some macro's (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
		1395	*/
		1396	font_size = (int) (get_real(infile,1));
		1397	break;
		1398
		1399	case FUNCTION_LABEL:
		1400	/*
		1401	@ functionlabel 'some string'
		1402	@ default value "f(x)="
		1403	@ no mathml allowed (just ascii string)
		1404	@ use command 'fontsize int' to adjust the size
		1405	@ use command 'strokecolor colorname' to adjust the labels (individually, if needed)
		1406	@ if needed, use before every command 'userinput function \| inputfield \| textarea'
		1407	*/
		1408	function_label = get_string_argument(infile,1);
		1409	break;
		1410
		1411	case GRID:/* xmajor,ymajor,gridcolor [,xminor,yminor,tick length (px) ,axis/tickscolor]*/
		1412	/*
		1413	@ grid step_x,step_y,gridcolor
		1414	@ if keywords <a href="#axis">"axis"</a> or <a href="#axisnumbering">"axisnumbering"</a> are set, use :<br />grid step_x,step_y,major_color,minor_x,minor_y,tics height in px,axis_color<br />minor x step = step_x / minor_x
		1415	@ 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 <br />defaults: black,12,Ariel
		1416	@ if xmin > 0 and/or ymin > 0 and zooming / panning is not activ: <br /> be aware that the x/y-axis numbering and x/y major/minor tic marks will not be visual <br /> as they are placed under the x-axis and left to the y-axis (in Quadrant II and IV)
		1417	@ can <b>not</b> be set <a href="#onclick">"onclick"</a> or <a href="#drag">"drag xy"</a>
		1418	@ use commands <a href="#xlabel">'xlabel some_string'</a> and/or <a href="#ylabel">'ylabel some_string'</a> to label axis;<br />use command "fontsize" to adjust size:the font family is non-configurable 'italic your_fontsize px Ariel' !
		1419	@ see commands (see <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')
		1420	@ see command <a href="#legend">"legend"</a>to set a legend for the graph ;<br />use command <a href="#fontsize">"fontsize"</a> to adjust size (the font family is non-configurable 'bold your_fontsize px Ariel')
		1421	*/
		1422	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
		1423	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1424	for(i=0;i<4;i++){
		1425	switch(i){
		1426	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1427	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1428	case 2:
		1429	if( use_axis == TRUE ){
		1430	stroke_color = get_color(infile,0);
		1431	done = FALSE;
		1432	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1433	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1434	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1435	fill_color = get_color(infile,1); /* used as axis_color*/
8351	schaersvoo	1436	}
		1437	else
		1438	{
11806	schaersvoo	1439	int_data[0] = 1;
		1440	int_data[1] = 1;
		1441	stroke_color = get_color(infile,1);
		1442	fill_color = stroke_color;
8351	schaersvoo	1443	}
11806	schaersvoo	1444	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 !");}
		1445	/* set snap_x snap_y values in pixels */
		1446	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
		1447	string_length = 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);
		1448	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1449	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);
		1450	add_to_buffer(tmp_buffer);
		1451	break;
8351	schaersvoo	1452	}
		1453	}
		1454	reset();
		1455	break;
11806	schaersvoo	1456	case GRIDFILL:
		1457	/*
		1458	@ gridfill x0,y0,dx,dy,color
		1459	@ x0,y0 in xrange / yrange
		1460	@ distances dx,dy in pixels
		1461	@ a draggable object may <a href="#snaptogrid">snap_to_grid</a> (using keywords snaptogrid,xsnaprogrid, ysnaptogrid or snaptopoints)
		1462	@ userdraw object may snap_to_grid
		1463	*/
		1464	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		1465	for(i=0;i<5;i++){
		1466	switch(i){
		1467	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		1468	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		1469	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		1470	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		1471	case 4: stroke_color = get_color(infile,1);
		1472	string_length = snprintf(NULL,0, "draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1473	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1474	snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1475	add_to_buffer(tmp_buffer);
		1476	break;
		1477	default:break;
		1478	}
		1479	}
		1480	reset();
		1481	break;
8386	schaersvoo	1482
8244	schaersvoo	1483	case HALFLINE:
		1484	/*
		1485	@ demiline x1,y1,x2,y2,color
		1486	@ alternative : halfline
		1487	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
9406	schaersvoo	1488	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8244	schaersvoo	1489	*/
		1490	for(i=0;i<5;i++){
		1491	switch(i){
		1492	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		1493	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		1494	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		1495	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		1496	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		1497	if(double_data[0] == double_data[10]){ /* vertical halfline */
		1498	if(double_data[1] < double_data[11]){
		1499	double_data[3] = ymax + 1000;
		1500	}
		1501	else
		1502	{
		1503	double_data[3] = ymin - 1000;
		1504	}
10953	bpr	1505	double_data[2] = double_data[0];
8244	schaersvoo	1506	}
		1507	else
		1508	{ /* horizontal halfline*/
		1509	if( double_data[1] == double_data[11] ){
		1510	if( double_data[0] < double_data[10] ){
		1511	double_data[2] = xmax + 1000; /* halfline to the right */
		1512	}
		1513	else
		1514	{
		1515	double_data[2] = xmin - 1000; /* halfline to the left */
		1516	}
		1517	double_data[3] = double_data[1];
		1518	}
		1519	else
		1520	{
		1521	/* any other halfline */
		1522	/* slope */
		1523	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		1524	/* const */
		1525	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		1526	if( double_data[0] < double_data[10] ){
		1527	double_data[2] = double_data[2] + 1000;
		1528	}
		1529	else
		1530	{
		1531	double_data[2] = double_data[2] - 1000;
		1532	}
		1533	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		1534	}
10953	bpr	1535	}
8244	schaersvoo	1536	decimals = find_number_of_digits(precision);
11802	schaersvoo	1537	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	1538	if(onclick > 0){click_cnt++;}
		1539	/* click_cnt++; */
		1540	reset();
8244	schaersvoo	1541	break;
		1542	}
		1543	}
		1544	break;
8386	schaersvoo	1545
8365	schaersvoo	1546	case HALFLINES:
		1547	/*
		1548	@ demilines color,x1,y1,x2,y2,....
		1549	@ alternative : halflines
		1550	@ draws halflines starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex) etc etc
9406	schaersvoo	1551	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> indiviually
8365	schaersvoo	1552	*/
		1553	stroke_color=get_color(infile,0);
		1554	fill_color = stroke_color;
		1555	i=0;
		1556	while( ! done ){ /* get next item until EOL*/
		1557	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1558	if(i%2 == 0 ){
		1559	double_data[i] = get_real(infile,0); /* x */
		1560	}
		1561	else
		1562	{
		1563	double_data[i] = get_real(infile,1); /* y */
		1564	}
		1565	i++;
		1566	}
		1567	decimals = find_number_of_digits(precision);
		1568	for(c = 0 ; c < i-1 ; c = c+4){
		1569	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		1570	if(double_data[c+1] < double_data[c+3]){ /* upright halfline */
		1571	double_data[c+3] = ymax + 1000;
		1572	}
		1573	else
		1574	{
		1575	double_data[c+3] = ymin - 1000;/* descending halfline */
		1576	}
		1577	}
		1578	else
		1579	{
		1580	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		1581	if(double_data[c] < double_data[c+2] ){ /* halfline to the right */
		1582	double_data[c+2] = xmax+100;
		1583	}
		1584	else
		1585	{
		1586	double_data[c+2] = xmin-1000; /* halfline to the right */
		1587	}
		1588	}
		1589	else
		1590	{
		1591	/* m */
		1592	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		1593	/* q */
		1594	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		1595	if(double_data[c] < double_data[c+2]){ /* to the right */
		1596	double_data[c+2] = xmax+1000; /* 1000 is needed for dragging...otherwise it's just segment */
		1597	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1598	}
		1599	else
		1600	{ /* to the left */
		1601	double_data[c+2] = xmin - 1000;
		1602	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1603	}
		1604	}
		1605	}
11802	schaersvoo	1606	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	1607	if(onclick > 0){click_cnt++;}
		1608	/* click_cnt++; */
8365	schaersvoo	1609	}
		1610	reset();
		1611	break;
11806	schaersvoo	1612	case HATCHFILL:
		1613	/*
		1614	@ hatchfill x0,y0,dx,dy,color
		1615	@ x0,y0 in xrange / yrange
		1616	@ distances dx,dy in pixels
		1617	*/
		1618	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		1619	for(i=0;i<5;i++){
		1620	switch(i){
		1621	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		1622	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		1623	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		1624	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		1625	case 4: stroke_color = get_color(infile,1);
		1626	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		1627	string_length = snprintf(NULL,0, "draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1628	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1629	snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		1630	add_to_buffer(tmp_buffer);
		1631	break;
		1632	default:break;
		1633	}
		1634	}
		1635	reset();
		1636	break;
8386	schaersvoo	1637
8224	bpr	1638	case HLINE:
7614	schaersvoo	1639	/*
		1640	@ hline x,y,color
9383	schaersvoo	1641	@ alternative : horizontalline
7614	schaersvoo	1642	@ draw a horizontal line through point (x:y) in color 'color'
9373	schaersvoo	1643	@ or use command <a href='#curve'>'curve color,formula'</a> to draw the line <br />(uses more points to draw the line; is however better draggable)
9406	schaersvoo	1644	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	1645	*/
		1646	for(i=0;i<3;i++) {
		1647	switch(i){
		1648	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		1649	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		1650	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		1651	double_data[3] = double_data[1];
		1652	decimals = find_number_of_digits(precision);
11802	schaersvoo	1653	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	1654	if(onclick > 0){click_cnt++;}
		1655	/* click_cnt++; */
		1656	reset();
7614	schaersvoo	1657	break;
		1658	}
		1659	}
		1660	break;
8366	schaersvoo	1661
		1662	case HLINES:
		1663	/*
		1664	@ hlines color,x1,y1,x2,y2,...
9383	schaersvoo	1665	@ alternative : horizontallines
8366	schaersvoo	1666	@ draw horizontal lines through points (x1:y1)...(xn:yn) in color 'color'
9406	schaersvoo	1667	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8366	schaersvoo	1668	*/
		1669	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1670	fill_color = stroke_color;
		1671	i=0;
		1672	while( ! done ){ /* get next item until EOL*/
		1673	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1674	if(i%2 == 0 ){
		1675	double_data[i] = get_real(infile,0); /* x */
		1676	}
		1677	else
		1678	{
		1679	double_data[i] = get_real(infile,1); /* y */
		1680	}
		1681	i++;
		1682	}
		1683	decimals = find_number_of_digits(precision);
		1684	for(c = 0 ; c < i-1 ; c = c+2){
11802	schaersvoo	1685	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	1686	if(onclick > 0){click_cnt++;}
		1687	/* click_cnt++; */
8366	schaersvoo	1688	}
		1689	reset();
		1690	break;
11806	schaersvoo	1691	case HTTP:
7614	schaersvoo	1692	/*
11806	schaersvoo	1693	@ http x1,y1,x2,y2,http://some_adress.com
		1694	@ an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
		1695	@ do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1696	@ can <b>not</b> be 'set onclick' or 'drag xy'
7614	schaersvoo	1697	*/
11806	schaersvoo	1698	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		1699	for(i=0;i<5;i++){
7614	schaersvoo	1700	switch(i){
11806	schaersvoo	1701	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1702	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1703	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1704	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1705	case 4: decimals = find_number_of_digits(precision);
		1706	temp = get_string(infile,1);
		1707	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1708	string_length = 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);
		1709	check_string_length(string_length);tmp_buffer = my_newmem(string_length+2);
		1710	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);
		1711	add_to_buffer(tmp_buffer);
7614	schaersvoo	1712	break;
		1713	}
		1714	}
11806	schaersvoo	1715	reset();
7614	schaersvoo	1716	break;
11806	schaersvoo	1717	case HTML:
8366	schaersvoo	1718	/*
11806	schaersvoo	1719	@ html x1,y1,x2,y2,html_string
		1720	@ all tags are allowed<br /> html-code using inputfields could be read using your own javascript-code. Do not use id's like 'canvas_input0' etc.
		1721	@ can be set onclick <br />(however dragging not supported)
8366	schaersvoo	1722	*/
11806	schaersvoo	1723	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1724	for(i=0;i<5;i++){
		1725	switch(i){
		1726	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1727	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1728	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed : overflow */
		1729	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed : overflow */
		1730	case 4: decimals = find_number_of_digits(precision);
		1731	temp = get_string(infile,1);
		1732	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1733	string_length = snprintf(NULL,0,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity);
		1734	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1735	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity);
		1736	add_to_buffer(tmp_buffer);
		1737	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
		1738	break;
		1739	default:break;
8366	schaersvoo	1740	}
		1741	}
		1742	reset();
		1743	break;
8386	schaersvoo	1744
11806	schaersvoo	1745	case IMAGEFILL:
7614	schaersvoo	1746	/*
11806	schaersvoo	1747	@ imagefill dx,dy,image_url
		1748	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		1749	@ After pattern filling ,the fill-color should be reset !
		1750	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		1751	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		1752	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		1753	@ if dx,dy is larger than the image, the whole image will be background to the next object.
7614	schaersvoo	1754	*/
11806	schaersvoo	1755	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		1756	for(i=0 ;i < 3 ; i++){
7614	schaersvoo	1757	switch(i){
11806	schaersvoo	1758	case 0:int_data[0] = (int) (get_real(infile,0));break;
		1759	case 1:int_data[1] = (int) (get_real(infile,0));break;
		1760	case 2: URL = get_string_argument(infile,1);
		1761	string_length = snprintf(NULL,0, "draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
		1762	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1763	snprintf(tmp_buffer,string_length,"draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
		1764	add_to_buffer(tmp_buffer);
		1765	break;
7614	schaersvoo	1766	}
		1767	}
11806	schaersvoo	1768	reset();
		1769	break;
		1770
		1771	case INPUTSTYLE:
		1772	/*
		1773	@ inputstyle style_description
		1774	@ may be used before any 'style-able' html object.(like inputfields or buttons)<br />or any html objects that are generated by some canvasdraw commands
		1775	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1776	*/
		1777	input_style = get_string(infile,1);
7614	schaersvoo	1778	break;
11806	schaersvoo	1779	case INPUT:
		1780	/*
		1781	@ input x,y,size,editable,value
		1782	@ to set inputfield "readonly", use editable = 0
		1783	@ only active inputfields (editable = 1) will be read with read_canvas();
		1784	@ if "$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>
		1785	@ may be further controlled by <a href="#inputstyle">"inputstyle"</a> (inputcss is not yet implemented...)
		1786	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (javascript:read_canvas();)
		1787	@ 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)
		1788	*/
		1789	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		1790	for(i = 0 ; i<5;i++){
		1791	switch(i){
		1792	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1793	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1794	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1795	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1796	case 4:
		1797	temp = get_string_argument(infile,1);
		1798	string_length = 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);
		1799	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1800	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);
		1801	add_to_buffer(tmp_buffer);
		1802	input_cnt++;break;
		1803	default: break;
		1804	}
		1805	}
		1806	if(reply_format == 0 ){reply_format = 15;}
		1807	reset();
		1808	break;
8386	schaersvoo	1809
11806	schaersvoo	1810	case INTOOLTIP:
		1811	/*
		1812	@ intooltip link_text
		1813	@ link_text is a single line (span-element)
		1814	@ link_text may also be an image URL 'http://some_server/images/my_image.png' or '$module_dir/gifs/my_image.jpg'
		1815	@ link_text may contain HTML markup
		1816	@ the canvas will be displayed in a tooltip on 'link_text'
		1817	@ the canvas is default transparent: use command <a href="#bgcolor">'bgcolor color'</a> to adjust background-color<br />the link text will also be shown with this 'bgcolor'.
		1818	@ many 'userinput stuff' will use the tooltip_placeholder_div element...only one is defined in the wims-page<br />and are therefor these commands are mutually exclusive.<br />keep this in mind...
		1819	*/
		1820	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy or other commands using the tooltip-div...see documentation");}
		1821	if( use_tooltip == 1 ){ canvas_error("command 'intooltip' cannot be combined with command 'popup'...");}
		1822	tooltip_text = get_string(infile,1);
		1823	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		1824	use_tooltip = 1;
		1825	break;
		1826
		1827	case JSCURVE:
7614	schaersvoo	1828	/*
11806	schaersvoo	1829	@ jscurve color,formula(x)
		1830	@ alternative : jsplot color,formula(x)
		1831	@ your function will be plotted by the javascript engine of the client browser.
		1832	@ use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
		1833	@ use parenthesis and rawmath : use 2*x instead of 2x ; use 2^(sin(x))...etc etc<br />use error console to debug any errors...
		1834	@ <b>attention</b> : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
		1835	@ no validity check is done by wims.
		1836	@ 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
		1837	@ 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
		1838	@ use command 'trace_jscurve formula(x)` for tracing
		1839	@ use command 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1840	@ can <b>not</b> be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> (yet)
		1841	@ commands plotjump / plotstep are not active for 'jscurve'
		1842	@ every command jscurve will produce a new canvas (canvastype 111,112,113...) for this one curve.
		1843	@ plotting multiple js-curves on the same canvas <br/>(for example if you want to use 'userdraw clickfill,color' on <a href="#canvastype">canvastype</a> number 111 ,use :<br/> jscurve red,fun1(x),fun2(x)...fun_n(x)<br /> you want to specify individual colors \| opacity \| linewidth for these multiple js-curves.<br />use commands like: <a href="#multistrokecolors">multistrokecolors</a>,<a href="#multilinewidth">multilinewidth</a>, <a href="#multidash">multidash</a><br />, <a href="multistrokeopacity">multistroke</a><br />the <b>color</b> given for the command "jscurve <b>color</b>,formulas(x)" will not be used in that case...<br />but the color argument must still be given in any case (otherwise syntax error...)
		1844	*/
		1845	stroke_color = get_color(infile,0);
		1846	if( use_js_math == FALSE){/* add this stuff only once...*/
		1847	add_to_js_math(js_include_file);
		1848	use_js_math = TRUE;
		1849	}
		1850	if( use_js_plot == FALSE){
		1851	use_js_plot = TRUE;
		1852	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1853	}
		1854	temp = get_string(infile,1);
		1855	temp = str_replace(temp,",","\",\"");
		1856	string_length = snprintf(NULL,0, "jsplot(%d,[\"%s\"],[%d],[\"%s\"],[%.2f],[%d],%d,%d); ",JSPLOT_CANVAS+jsplot_cnt,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1857	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1858	snprintf(tmp_buffer,string_length,"jsplot(%d,[\"%s\"],[%d],[\"%s\"],[%.2f],[%d],%d,%d); ",JSPLOT_CANVAS+jsplot_cnt,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1859	add_to_buffer(tmp_buffer);
		1860	jsplot_cnt++;
		1861	/* we need to create multiple canvasses, so we may zoom and pan ?? */
		1862	break;
		1863
		1864	case JSMATH:
		1865	/*
		1866	@ jsmath some_math_function
		1867	@ will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
		1868	@ default labels 'x' and 'y'<br />the commands 'xlabel some_x_axis_name' and 'ylabel some_y_axis_name' will set the label for the input fields
		1869	@ use command 'inputstyle some_css' for styling the display fields. Use command 'fontsize int' to size the labels 'x' and 'y'
		1870	@ example: jsmath sin(x^2)
		1871	@ 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...
		1872	@ be aware that the formula's of the plotted function(s) can be found in the page javascript source
		1873	*/
		1874	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1875	if( use_js_math == FALSE){
		1876	add_to_js_math(js_include_file);
		1877	use_js_math = TRUE;
		1878	}
		1879	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1),font_size,input_style);
		1880	break;
		1881	case KILLAFFINE:
		1882	/*
		1883	@ killaffine
		1884	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1885	*/
		1886	use_affine = FALSE;
		1887	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1888	break;
		1889
		1890	case KILLROTATE:
		1891	/*
		1892	@ killrotate will reset the command <a href="#rotationcenter">rotationcenter xc,yc</a>
		1893	@ a following rotate command will have the first object point as rotation center
		1894	@ if not set, the rotation center will remain unchanged
		1895	*/
		1896	rotation_center= my_newmem(6);
		1897	snprintf(rotation_center,5,"null");
		1898	break;
		1899
		1900	case KILLSLIDER:
		1901	/*
		1902	@ killslider
		1903	@ keyword (no arguments required)
		1904	@ ends grouping of object under a previously defined slider
		1905	*/
		1906	slider = 0;
		1907	break;
		1908
		1909	case KILLTRANSLATION:
		1910	/*
		1911	@ killtranslation
		1912	@ alternative : killtranslate
		1913	@ resets the translation matrix to 1,0,0,1,0,0
		1914	*/
		1915	use_affine = FALSE;
		1916	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1917	break;
		1918
		1919	case LINE:
		1920	/*
		1921	@ line x1,y1,x2,y2,color
		1922	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		1923	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
9406	schaersvoo	1924	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	1925	*/
8386	schaersvoo	1926	for(i=0;i<5;i++){
7614	schaersvoo	1927	switch(i){
11806	schaersvoo	1928	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		1929	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		1930	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		1931	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		1932	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		1933	if( double_data[10] == double_data[12] ){ /* vertical line*/
		1934	double_data[1] = xmin;
		1935	double_data[3] = ymax;
		1936	double_data[0] = double_data[10];
		1937	double_data[2] = double_data[10];
		1938	}
		1939	else
		1940	{
		1941	if( double_data[11] == double_data[13] ){ /* horizontal line */
		1942	double_data[1] = double_data[11];
		1943	double_data[3] = double_data[11];
		1944	double_data[0] = ymin;
		1945	double_data[2] = xmax;
		1946	}
		1947	else
		1948	{
		1949	/* m */
		1950	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		1951	/* q */
		1952	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
		1953
		1954	/xmin,mxmin+q,xmax,mxmax+q/
		1955
		1956	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		1957	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		1958	double_data[0] = xmin;
		1959	double_data[2] = xmax;
		1960	}
		1961	}
		1962	decimals = find_number_of_digits(precision);
		1963	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		1964	if(onclick > 0){click_cnt++;}
		1965	/* click_cnt++;*/
		1966	reset();
		1967	break;
7614	schaersvoo	1968	}
		1969	}
		1970	break;
8386	schaersvoo	1971
11806	schaersvoo	1972	case LINES:
8370	schaersvoo	1973	/*
11806	schaersvoo	1974	@ lines color,x1,y1,x2,y2...x_n-1,y_n-1,x_n,y_n
		1975	@ draw multiple lines through points (x1:y1)--(x2:y2) ...(x_n-1:y_n-1)--(x_n:y_n) in color 'color'
		1976	@ 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)
		1977	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1978	@ <b>attention</b>: the flydraw command "lines" is equivalent to canvasdraw command <a href="#polyline">"polyline"</a>
8370	schaersvoo	1979	*/
		1980	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1981	fill_color = stroke_color;
		1982	i=0;
		1983	while( ! done ){ /* get next item until EOL*/
		1984	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1985	if(i%2 == 0 ){
		1986	double_data[i] = get_real(infile,0); /* x */
		1987	}
		1988	else
		1989	{
		1990	double_data[i] = get_real(infile,1); /* y */
		1991	}
		1992	i++;
		1993	}
		1994	decimals = find_number_of_digits(precision);
		1995	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	1996	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		1997	double_data[c+1] = xmin;
		1998	double_data[c+3] = ymax;
		1999	double_data[c+2] = double_data[c];
		2000	}
		2001	else
		2002	{
		2003	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		2004	double_data[c+3] = double_data[c+1];
		2005	double_data[c] = ymin;
		2006	double_data[c+2] = xmax;
		2007	}
		2008	else
		2009	{
		2010	/* m */
		2011	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		2012	/* q */
		2013	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		2014	/xmin,mxmin+q,xmax,mxmax+q/
		2015	double_data[c+1] = (m)*(xmin)+(q);
		2016	double_data[c+3] = (m)*(xmax)+(q);
		2017	double_data[c] = xmin;
		2018	double_data[c+2] = xmax;
		2019	}
		2020	}
		2021	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	2022	if(onclick > 0){click_cnt++;}
		2023	/* click_cnt++; */
8370	schaersvoo	2024	}
		2025	reset();
		2026	break;
8386	schaersvoo	2027
11806	schaersvoo	2028
		2029	case LINEWIDTH:
7614	schaersvoo	2030	/*
11806	schaersvoo	2031	@ linewidth int
		2032	@ default 1
7614	schaersvoo	2033	*/
11806	schaersvoo	2034	line_width = (int) (get_real(infile,1));
		2035	break;
		2036
		2037	case LATTICE:
		2038	/*
		2039	@ lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
		2040	@ can <b>not</b> be set "onclick" or "drag xy"
		2041	*/
		2042	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		2043	for( i = 0; i<9; i++){
7614	schaersvoo	2044	switch(i){
11806	schaersvoo	2045	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		2046	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		2047	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		2048	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
		2049	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		2050	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
		2051	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		2052	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		2053	case 8: stroke_color=get_color(infile,1);
7614	schaersvoo	2054	decimals = find_number_of_digits(precision);
11806	schaersvoo	2055	string_length = snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,%s);",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);
		2056	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2057	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);",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);
		2058	add_to_buffer(tmp_buffer);break;
		2059	default:break;
7614	schaersvoo	2060	}
		2061	}
11806	schaersvoo	2062	reset();
7614	schaersvoo	2063	break;
8363	schaersvoo	2064
11806	schaersvoo	2065	case LEVELCURVE:
8363	schaersvoo	2066	/*
11806	schaersvoo	2067	@ levelcurve color,expression in x/y,l1,l2,...
		2068	@ draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		2069	@ the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		2070	@ 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
		2071	@ note : the arrays for holding the javascript data are limited in size
		2072	@ note : reduce image size if javascript data arrays get overloaded<br />(command 'plotsteps int' will not control the data size of the plot...)
8363	schaersvoo	2073	*/
11806	schaersvoo	2074	fill_color = get_color(infile,0);
		2075	char *fun1 = get_string_argument(infile,0);
		2076	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		2077	i = 0;
		2078	done = FALSE;
		2079	while( !done ){
		2080	double_data[i] = get_real(infile,1);
		2081	i++;
		2082	}
		2083	for(c = 0 ; c < i; c++){
		2084	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2085	if(onclick > 0){click_cnt++;}
		2086	/* click_cnt++; */
		2087	}
		2088	reset();
		2089	break;
8386	schaersvoo	2090
11806	schaersvoo	2091	case LEGEND:
		2092	/*
		2093	@ legend string1:string2:string3....string_n
		2094	@ will be used to create a legend for a graph
		2095	@ also see command <a href='#piechart'>'piechart'</a>
		2096	@ will use the same colors per default as used in the graphs : use command <a href='#legendcolors'>'legendcolors'</a> to override the default
		2097	@ use command <a href="#fontsize">fontsize</a> to adjust. (command "fontfamily" is not active for command "legend")
		2098	*/
		2099	temp = get_string(infile,1);
		2100	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2101	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		2102	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
		2103	break;
		2104
		2105	case LEGENDCOLORS:
		2106	/*
		2107	@ legendcolors color1:color2:color3:...:color_n
		2108	@ 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
		2109	@ make sure the number of colours match the number of legend items
		2110	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
		2111	*/
		2112	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
		2113	temp = get_string(infile,1);
		2114	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2115	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
		2116	break;
		2117
		2118	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2119	/*
		2120	@ linegraph x1:y1:x2:y2...x_n:y_n
		2121	@ will plot your data in a graph
		2122	@ may <b>only</b> to be used together with command <a href='#grid'>'grid'</a>
		2123	@ 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>
		2124	@ use command <a href='#legend'>'legend'</a> to provide an optional legend in right-top-corner
		2125	@ also see command <a href='#piechart'>'piechart'</a>
		2126	@ multiple linegraphs may be used in a single plot
		2127	@ note: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		2128	@ <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>
		2129	*/
		2130	temp = get_string(infile,1);
		2131	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2132	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);
		2133	linegraph_cnt++;
		2134	reset();
		2135	break;
		2136
		2137	case MATHML:
		2138	/*
		2139	@ mathml x1,y1,x2,y2,mathml_string
		2140	@ 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.
		2141	@ in case of drag(xy\|x\|y) \| onclick the div rectangle left to corner will be the drag-anchor of the mathml object
		2142	@ can be set onclick <br />javascript:read_dragdrop(); will return click numbers of mathml-objects<br />if 4 click_able object are drawn, the reply could be 1,0,1,0 ... meaning clicked on the first and third object
		2143	@ can be set draggable<br /> the javascript:read_dragdrop() will return all coordinates <br />in same order as the canvas script: unmoved object will have their original coordinates...
		2144	@ 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
		2145	@ 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
		2146	@ userdraw may be combined with 'mathml' ; the read_canvas() will contain the drawing.
		2147	@ draggable or onclick 'external images' from command <a href='#copyresized'>copy or copyresized</a> can be combined with drag and/or onclick mathml
		2148	@ other drag objects (circles/rects etc) are supported , but read_dragdrop() will probably be difficult to interpret...
		2149	@ 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();"
		2150	@ 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....
		2151	*/
		2152	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2153	for(i=0;i<5;i++){
		2154	switch(i){
		2155	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2156	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2157	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed : overflow */
		2158	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed : overflow */
		2159	case 4: decimals = find_number_of_digits(precision);
		2160	temp = get_string(infile,1);
		2161	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2162	string_length = snprintf(NULL,0,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity);
		2163	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2164	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,\"%s\",%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f);\n",canvas_root_id,int_data[0],int_data[1],temp,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity);
		2165	add_to_buffer(tmp_buffer);
		2166	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
		2167	/*
		2168	in case inputs are present , trigger adding the read_mathml()
		2169	if no other reply_format is defined
		2170	note: all other reply types will include a reading of elements with id='mathml'+p)
		2171	*/
		2172	if(strstr(temp,"mathml0") != NULL){
		2173	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
		2174	}
		2175	break;
		2176	default:break;
		2177	}
		2178	}
		2179	reset();
		2180	break;
		2181
		2182	case MOUSE:
		2183	/*
		2184	@ mouse color,fontsize
		2185	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2186	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2187
		2188	*/
		2189	stroke_color = get_color(infile,0);
		2190	font_size = (int) (get_real(infile,1));
		2191	tmp_buffer = my_newmem(26);
		2192	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2193	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
		2194	break;
		2195
		2196
		2197	case MOUSE_DEGREE:
		2198	/*
		2199	@ mouse_degree color,fontsize
		2200	@ 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
		2201	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
		2202	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2203
		2204	*/
		2205	stroke_color = get_color(infile,0);
		2206	font_size = (int) (get_real(infile,1));
		2207	tmp_buffer = my_newmem(26);
		2208	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2209	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2210	js_function[JS_FIND_ANGLE] = 1;
		2211	break;
		2212	case MOUSE_DISPLAY:
		2213	/*
		2214	@ display TYPE,color,fontsize
		2215	@ TYPE may be x \| y \| xy \| degree \| radian \| radius
		2216	@ will display the mouse cursor coordinates as x-only,y-only,(x:y),<br />the radius of a circle (this only in case 'userdraw circle(s),color')<br />or the angle in degrees or radians for commands "userdraw arc,color" or protractor , ruler (if set dynamic)
		2217	@ use commands 'xunit' and / or 'yunit' to add the units to the mouse values.<br />The "degree \| radian" will always have the appropriate symbol)
		2218	@ just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2219	*/
		2220	temp = get_string_argument(infile,0);
		2221	if( strstr(temp,"xy") != NULL ){
		2222	int_data[0] = 2;
		2223	}else{
		2224	if( strstr(temp,"y") != NULL ){
		2225	int_data[0] = 1;
		2226	}else{
		2227	if( strstr(temp,"x") != NULL ){
		2228	int_data[0] = 0;
		2229	}else{
		2230	if(strstr(temp,"degree") != NULL){
		2231	int_data[0] = 3;
		2232	js_function[JS_FIND_ANGLE] = 1;
		2233	}else{
		2234	if(strstr(temp,"radian") != NULL){
		2235	int_data[0] = 4;
		2236	js_function[JS_FIND_ANGLE] = 1;
		2237	}else{
		2238	if(strstr(temp,"radius") != NULL){
		2239	int_data[0] = 5;
		2240	}else{
		2241	int_data[0] = 2;
		2242	}
		2243	}
		2244	}
		2245	}
		2246	}
		2247	}
		2248	stroke_color = get_color(infile,0);
		2249	font_size = (int) (get_real(infile,1));
		2250	tmp_buffer = my_newmem(26);
		2251	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2252	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2253	break;
		2254
		2255	case MOUSE_PRECISION:
		2256	/*
		2257	@ precision int
		2258	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
		2259	@ may be used / changed before every object
		2260	@ In case of user interaction (like 'userdraw' or 'multidraw') this value will be used to determine the amount of decimals in the reply / answer
		2261	*/
		2262	precision = (int) (get_real(infile,1));
		2263	if(precision < 1 ){precision = 1;};
		2264	break;
		2265
		2266	case MOUSEX:
		2267	/*
		2268	@ mousex color,fontsize
		2269	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using the fontfamily Ariel
		2270	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2271
		2272	*/
		2273	stroke_color = get_color(infile,0);
		2274	font_size = (int) (get_real(infile,1));
		2275	tmp_buffer = my_newmem(26);
		2276	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2277	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2278	break;
		2279	case MOUSEY:
		2280	/*
		2281	@ mousey color,fontsize
		2282	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
		2283	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2284
		2285	*/
		2286	stroke_color = get_color(infile,0);
		2287	font_size = (int) (get_real(infile,1));
		2288	tmp_buffer = my_newmem(26);
		2289	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2290	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2291	break;
		2292
		2293	case MULTIDASH:
		2294	/*
		2295	@ multidash 0,1,1
		2296	@ meaning draw objects no. 2 (circle) and 3 (segments), in the list of command like <em>'multifill points,circle,segments'</em>, are dashed
		2297	@ use before command <a href='#multidraw'>'multidraw'</a>
		2298	@ if not set all objects will be set 'not dashed'...<br />unless a generic keyword <em>'dashed'</em> was given before command <em>'multidraw'</em>
		2299	@ the dash-type is not -yet- adjustable <br />(e.g. command <em>dashtype line_px,space_px</em> will give no control over multidraw objects)
		2300	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2301	@ always use the same sequence as is used for 'multidraw'
		2302	*/
		2303	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2304	temp = get_string(infile,1);
		2305	temp = str_replace(temp,",","\",\"");
		2306	fprintf(js_include_file,"var multidash = [\"%s\"];",temp);
		2307	reset();/* if command 'dashed' was given...reset to not-dashed */
		2308	break;
		2309
		2310	case MULTIDRAW:
		2311	/*
		2312	@ multidraw obj_type_1,obj_type_2...obj_type_11
		2313	@ for simple single object user drawings you could also use command <a href="#userdraw">'userdraw'</a>
		2314	@ 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><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 polygone 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></ul>
		2315	@ 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
		2316	@ 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...
		2317	@ 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)
		2318	@ buttons for changing the obj_type (and incase 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'
		2319	@ 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 /><em>multilabel cirkel,lijnstuk,punten,STOP<br />multidraw circle,segment,points</em><br />(see command <a href='#multilabel'>'multilabel'</a> for more details)
		2320	@ multidraw is incompatible with command 'tooltip' (the reserved div_area is used for the multidraw control buttons)
		2321	@ all 'multidraw' drawings will scale on zooming.<br />this in contrast to the command <a href="#userdraw">'userdraw'</a>.
		2322	@ wims will <b>not</b> check the amount or validity of your command arguments ! <br />( use javascript console to debug any typo's )
		2323	@ a local function read_canvas%d will read all userbased drawings.<br />The output is always a 11 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/>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>
		2324	@ 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 />
		2325	@ <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.
		2326	@ <em>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 to many very slow do-it-all HTML5 canvas javascript libraries.<br />The mouselisteners are attached to the canvas-div element.</em>
		2327	*/
		2328	// if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2329	if( use_userdraw == TRUE ){canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");}
		2330	use_userdraw = TRUE;
		2331	/* LET OP max 6 DRAW PRIMITIVES + TEXT */
		2332	temp = get_string(infile,1);
		2333	temp = str_replace(temp,",","\",\"");
		2334	/* if these are not set, set the default values for the 6 (!!!) draw_primitives + draw_text */
		2335	fprintf(js_include_file,"\
		2336	if( typeof(multistrokecolors) === 'undefined' && multistrokecolors == null ){ var multistrokecolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2337	if( typeof(multifillcolors) === 'undefined' && multifillcolors == null ){ var multifillcolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2338	if( typeof(multistrokeopacity) === 'undefined' && multistrokeopacity == null ){ var multistrokeopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2339	if( typeof(multifillopacity) === 'undefined' && multifillopacity == null ){ var multifillopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2340	if( typeof(multilinewidth) === 'undefined' && multilinewidth == null ){ var multilinewidth = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2341	if( typeof(multifill) === 'undefined' && multifill == null ){ var multifill = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2342	if( typeof(multidash) === 'undefined' && multidash == null ){ var multidash = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2343	if( typeof(multilabel) === 'undefined' && multilabel == null ){ var multilabel = [\"%s\",\"stop drawing\"];};\
		2344	if( typeof(multiuserinput) === 'undefined' && multiuserinput == null ){ var multiuserinput= ['0','0','0','0','0','0','0','0'];};\
		2345	if( typeof(multisnaptogrid) == 'undefined' && multisnaptogrid == null){var multisnaptogrid;if( x_use_snap_to_grid == 1 && y_use_snap_to_grid == 1){ multisnaptogrid = [1,1,1,1,1,1,1];}else{if( x_use_snap_to_grid == 1 ){ multisnaptogrid = [2,2,2,2,2,2,2];}else{if( y_use_snap_to_grid == 1 ){ multisnaptogrid = [3,3,3,3,3,3,3];}else{ multisnaptogrid = [0,0,0,0,0,0,0];};};};};\
		2346	var arrow_head = %d;var multifont_color = '%s';var multifont_family = '%s';",
		2347	stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,
		2348	fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,
		2349	stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,
		2350	fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,
		2351	line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,
		2352	use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,
		2353	use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,
		2354	temp,arrow_head,font_color,font_family);
		2355
		2356	if(strstr(temp,"text") != NULL){
		2357	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		2358	}
		2359
		2360	/* the canvasses range from 1000 ... 1008 */
		2361	add_js_multidraw(js_include_file,canvas_root_id,temp,input_style);
		2362	reply_precision = precision;
		2363	if( reply_format == 0){reply_format = 29;}
		2364	reset();/* if command 'filled' / 'dashed' was given...reset all */
		2365	break;
		2366	case MULTILABEL:
		2367	/*
		2368	@ multilabel button_label_1,button_label_2,...,button_label_8,'stop drawing text'
		2369	@ use before command <a href='#multidraw'>'multidraw'</a>
		2370	@ 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'...)
		2371	@ the 'stop drawing' button text <b>must</b> be the last item on the 'multilabel' -list <br />for example:<br /><em>multilabel punten,lijnen,Stop met Tekenen<br />multidraw points,lines</em>
		2372	@ all buttons can be 'styled' by using commant 'inputstyle'<br /><b>note:</b><em>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"</em>
		2373	@ wims will not check the amount or validity of your input
		2374	@ always use the same sequence as is used for 'multidraw'
		2375	*/
		2376	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2377	temp = get_string(infile,1);
		2378	temp = str_replace(temp,",","\",\"");
		2379	fprintf(js_include_file,"var multilabel = [\"%s\"];",temp);
		2380	break;
		2381	case MULTILINEWIDTH:
		2382	/*
		2383	@ multilinewidth linewidth_1,linewidth_2,...,linewidth_8
		2384	@ use before command <a href='#multidraw'>'multidraw'</a>
		2385	@ if not set all line width will be set by a previous command <em>'linewidth int'</em>
		2386	@ use these up to 7 different line widths for the draw primitives used by command <em>'multidraw obj_type_1,obj_type_2...obj_type_7</em>
		2387	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2388	@ always use the same sequence as is used for 'multidraw'
		2389	*/
		2390	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2391	temp = get_string(infile,1);
		2392	temp = str_replace(temp,",","\",\"");
		2393	fprintf(js_include_file,"var multilinewidth = [\"%s\"];",temp);
		2394	break;
		2395	case MULTIFILL:
		2396	/*
		2397	@ multifill 0,0,1,0,1,0,0
		2398	@ meaning draw objects no. 3 and 5, in the list of command 'multifill', are filled<br />(if the object is fillable...and not a line,segment,arrow or point...)
		2399	@ use before command <a href='#multidraw'>'multidraw'</a>
		2400	@ if not set all objects -except point\|points- will be set 'not filled'...<br />unless a command 'filled' was given before command 'multifill'
		2401	@ only suitable for draw_primitives like 'circle \| circles' , 'triangle \| triangles' and 'polygon'
		2402	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2403	@ always use the same sequence as is used for 'multidraw'
		2404	*/
		2405	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2406	temp = get_string(infile,1);
		2407	temp = str_replace(temp,",","\",\"");
		2408	fprintf(js_include_file,"var multifill = [\"%s\"];",temp);
		2409	break;
		2410
		2411	case MULTIFILLCOLORS:
		2412	/*
		2413	@ multifillcolors color_name_1,color_name_2,...,color_name_8
		2414	@ use before command <a href='#multidraw'>'multidraw'</a>
		2415	@ if not set all fillcolors (for circle \| triangle \| poly[3-9] \| closedpoly ) will be 'stroke_color' , 'fill_opacity'
		2416	@ use these up to 6 colors for the draw primitives used by command 'multidraw obj_type_1,obj_type_2...obj_type_n
		2417	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
		2418	@ always use the same sequence as is used for 'multidraw'
		2419	@ 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>
		2420	*/
		2421	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2422	fprintf(js_include_file,"var multifillcolors = [");
		2423	while( ! done ){
		2424	temp = get_color(infile,1);
		2425	fprintf(js_include_file,"\"%s\",",temp);
		2426	}
		2427	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2428	break;
		2429
		2430	case MULTIFILLOPACITY:
		2431	/*
		2432	@ multifillopacity fill_opacity_1,fill_opacity_2,...,fill_opacity_8
		2433	@ float values 0 - 1 or integer values 0 - 255
		2434	@ use before command <a href='#multidraw'>'multidraw'</a>
		2435	@ if not set all fill opacity_ will be set by previous command <em>'opacity int,int'</em> and keyword <em>'filled'</em>
		2436	@ use these up to 7 different stroke opacities for the draw primitives used by command <em>'multidraw obj_type_1,obj_type_2...obj_type_y</em>
		2437	@ wims will not check the amount or validity of your input
		2438	@ always use the same sequence as is used for 'multidraw'
		2439	*/
		2440	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2441	temp = get_string(infile,1);
		2442	temp = str_replace(temp,",","\",\"");
		2443	fprintf(js_include_file,"var multifillopacity = [\"%s\"];",temp);
		2444	break;
		2445	case MULTISNAPTOGRID:
		2446	/*
		2447	@ multisnaptogrid 0,1,1
		2448	@ meaning draw objects no. 2 (circle) and 3 (segments), in the list of command like <em>'multifill points,circle,segments'</em>, will snap to the xy-grid (default 1 in x/y-coordinate system: see command <a href='#snaptogrid'>'snaptogrid'</a>)
		2449	@ only the x-values snap_to_grid: <em>multisnaptogrid 0,2,2</em>
		2450	@ only the y-values snap_to_grid: <em>multisnaptogrid 0,3,3</em>
		2451	@ mixing allowed: <em>multisnaptogrid 1,2,3,0</em> e.g. the first object will snap to the xy-grid, the second draw object will snap to the x-values, the third object will snap to the y-valeus of the grid, the last object may be placed anywhere on the canvas
		2452	@ use before command <a href='#multidraw'>'multidraw'</a>
		2453	@ if not set all objects will be set 'no snap'...<br />unless a generic command 'snaptogrid' was given before command 'multidraw'
		2454	@ commands <a href='#xsnaptogrid'>'xsnaptogrid'</a>, <a href='#ysnaptogrid'>'ysnaptogrid'</a>, <a href='#snaptofunction'>'snaptofunction'</a> and <a href='#snaptopoints'>'snaptopoints</a> x1,y1,x2,y2...' are <b>not</b> supported at this time
		2455	@ always use the same sequence as is used for 'multidraw'
		2456	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2457	*/
		2458	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2459	temp = get_string(infile,1);
		2460	temp = str_replace(temp,",","\",\"");
		2461	fprintf(js_include_file,"var multisnaptogrid = [\"%s\"];",temp);
		2462	reset();/* if command 'dashed' was given...reset to not-dashed */
		2463	break;
		2464	case MULTISTROKECOLORS:
		2465	/*
		2466	@ multistrokecolors color_name_1,color_name_2,...,color_name_8
		2467	@ use before command <a href='#multidraw'>'multidraw'</a>
		2468	@ if not set all colors will be 'stroke_color' , 'stroke_opacity'
		2469	@ use these up to 6 colors for the draw primitives used by command <em>'multidraw obj_type_1,obj_type_2...obj_type_7</em>
		2470	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
		2471	@ always use the same sequence as is used for 'multidraw'
		2472	*/
		2473	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2474	fprintf(js_include_file,"var multistrokecolors = [");
		2475	while( ! done ){
		2476	temp = get_color(infile,1);
		2477	fprintf(js_include_file,"\"%s\",",temp);
		2478	}
		2479	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2480	break;
		2481	case MULTISTROKEOPACITY:
		2482	/*
		2483	@ multistrokeopacity stroke_opacity_1,stroke_opacity_2,...,stroke_opacity_7
		2484	@ float values 0 - 1 or integer values 0 - 255
		2485	@ use before command <a href='#multidraw'>'multidraw'</a>
		2486	@ if not set all stroke opacity_ will be set by previous command <em>'opacity int,int'</em>
		2487	@ use these up to 7 different stroke opacities for the draw primitives used by command <em>'multidraw obj_type_1,obj_type_2...obj_type_7</em>
		2488	@ wims will not check the amount or validity of your input
		2489	@ always use the same sequence as is used for 'multidraw'
		2490	*/
		2491	if( use_tooltip == 1){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2492	temp = get_string(infile,1);
		2493	temp = str_replace(temp,",","\",\"");
		2494	fprintf(js_include_file,"var multistrokeopacity = [\"%s\"];",temp);
		2495	break;
		2496
		2497	case MULTIUSERINPUT:
		2498	/*
		2499	@ multiuserinput 0,1,1,0
		2500	@ meaning, when the command 'multidraw' is used <br />multidraw circles,points,lines,triangles<br />objects 'points' and 'lines' may additionally be 'drawn' by direct input (inputfields)<br/>all other objects must be drawn with a mouse
		2501	@ in case of circle \| circles a third inputfield for Radius (R) is added.<br />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
		2502	@ 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...
		2503	@ in case of a triangle \| poly3, three inputfields are provided.
		2504	@ in case of 'text' and multiuserinput=1 , 3 inputfields will be shown : x,y,text
		2505	@ in case of 'text' and multiuserinput=0 , 1 inputfield will be shown : text ... a mouse click will place the text on the canvas.
		2506	@ may be styled using command <a href="#inputstyle">"inputstyle"</a>
		2507	@ an additional button 'stop drawing' may be used to combine userbased drawings with 'drag&drop' or 'onclick' elements
		2508	@ when exercise if finished (status=done) the buttons will not be shown.<br />To override this default behaviour use command / keyword 'status'
		2509	@ use before command <a href='#multidraw'>'multidraw'</a>
		2510	@ always use the same sequence as is used for 'multidraw'
		2511	*/
		2512	/* simple rawmath and input check */
		2513	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		2514	temp = get_string(infile,1);
		2515	temp = str_replace(temp,",","\",\"");
		2516	fprintf(js_include_file,"var multiuserinput = [\"%s\"];",temp);
		2517	break;
		2518
		2519	case NOXAXIS:
		2520	/*
		2521	@ noaxis
		2522	@ keyword
		2523	@ if set, the automatic x-axis numbering will be ignored
		2524	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="grid">grid</a>
		2525	@ to be used before command grid (see <a href="#grid">command grid</a>)
		2526	*/
		2527	fprintf(js_include_file,"x_strings = [0,\" \"];\n");
		2528	use_axis_numbering = 1;
		2529	break;
		2530	case NOYAXIS:
		2531	/*
		2532	@ noayis
		2533	@ keyword
		2534	@ if set, the automatic y-axis numbering will be ignored
		2535	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="grid">grid</a>
		2536	@ to be used before command grid (see <a href="#grid">command grid</a>)
		2537	*/
		2538	fprintf(js_include_file,"y_strings = [0,\" \"];\n");
		2539	use_axis_numbering = 1;
		2540	break;
		2541	case OPACITY:
		2542	/*
		2543	@ opacity 0-255,0-255
		2544	@ opacity 0.0 - 1.0,0.0 - 1.0
		2545	@ alternative : transparent
		2546	@ first item is stroke opacity, second is fill opacity
		2547	*/
		2548	for(i = 0 ; i<2;i++){
		2549	switch(i){
		2550	case 0: double_data[0]= get_real(infile,0);break;
		2551	case 1: double_data[1]= get_real(infile,1);break;
		2552	default: break;
		2553	}
		2554	}
		2555	if( double_data[0] > 255 \|\| double_data[1] > 255 ){ canvas_error("opacity [0 - 255] , [0 - 255] ");}/* typo or non-RGB ? */
		2556	if( double_data[0] > 1 ){ stroke_opacity = (double) (0.0039215double_data[0]); }else{ stroke_opacity = double_data[0];} / 0.0 - 1.0 */
		2557	if( double_data[0] > 1 ){ fill_opacity = (double) (0.0039215double_data[1]); }else{ fill_opacity = double_data[0];} / 0.0 - 1.0 */
		2558	break;
		2559
		2560	case ONCLICK:
		2561	/*
		2562	@ onclick
		2563	@ keyword (no arguments required)
		2564	@ if the next object is clicked, its 'object onclick_or_drag sequence number' in fly script is returned <br /> by javascript:read_canvas();
		2565	@ onclick seqeuence numbering starts at '0'.<br />e.g. if there are 6 objects set onclick, the first onclick object will have id-number '0', the last id-number '5'
		2566	@ line based objects will show an increase in line width<br />font based objects will show the text in 'bold' when clicked.
		2567	@ the click zone (accuracy) is determined by 2× the line width of the object
		2568	@ onclick and <a href="#drag">drag x\|y\|xy</a> may be combined in a single flyscript <br />(although a single object can <b>not</b> be onclick and draggable at the same time...)
		2569	@ note: not all objects may be set onclick
		2570	*/
		2571	fprintf(js_include_file,"use_dragdrop_reply = true;");
		2572	onclick = 1;
		2573
		2574	break;
		2575
		2576	case PARALLEL:
		2577	/*
		2578	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
		2579	@ can <b>not</b> be set "onclick" or "drag xy"
		2580	*/
		2581	for( i = 0;i < 8; i++ ){
		2582	switch(i){
		2583	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		2584	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		2585	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		2586	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		2587	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		2588	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		2589	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		2590	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		2591	decimals = find_number_of_digits(precision);
		2592	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2593	if(onclick > 0){click_cnt++;}
		2594	/* click_cnt++*/;
		2595	reset();
		2596	break;
		2597	default: break;
		2598	}
		2599	}
		2600	break;
		2601
		2602
		2603	case PLOTSTEPS:
		2604	/*
		2605	@ plotsteps a_number
		2606	@ default 150
		2607	@ only used for commands <a href="#curve">"curve / plot"</a> and <a href="#levelcurve">"levelcurve"</a>
		2608	@ use with care !
		2609	*/
		2610	plot_steps = (int) (get_real(infile,1));
		2611	break;
		2612
		2613	case POINT:
		2614	/*
		2615	@ point x,y,color
		2616	@ draw a single point at (x;y) in color 'color'
		2617	@ use command 'linewidth int' to adust size
		2618	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		2619	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
		2620	@ attention: in case of command <a href="#rotate">'rotate angle'</a> a point has rotation center (0:0) in x/y-range
		2621	*/
		2622	for(i=0;i<3;i++){
		2623	switch(i){
		2624	case 0: double_data[0] = get_real(infile,0);break; /* x */
		2625	case 1: double_data[1] = get_real(infile,0);break; /* y */
		2626	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		2627	decimals = find_number_of_digits(precision);
		2628	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.f],[%.f],[%.2f],[%d],%.2f,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2629	/* click_cnt++; */
		2630	if(onclick > 0){click_cnt++;}
		2631	break;
		2632	default: break;
		2633	}
		2634	}
		2635	reset();
		2636	break;
		2637
		2638	case POINTS:
		2639	/*
		2640	@ points color,x1,y1,x2,y2,...,x_n,y_n
		2641	@ draw multiple points at given coordinates in color 'color'
		2642	@ use command 'linewidth int' to adust size
		2643	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
		2644	@ attention: in case of command <a href="#rotate">'rotate angle'</a> the points have rotation center (0:0) in x/y-range
		2645	*/
8363	schaersvoo	2646	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2647	fill_color = stroke_color;
		2648	i=0;
		2649	while( ! done ){ /* get next item until EOL*/
		2650	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2651	if(i%2 == 0 ){
		2652	double_data[i] = get_real(infile,0); /* x */
		2653	}
		2654	else
		2655	{
		2656	double_data[i] = get_real(infile,1); /* y */
		2657	}
		2658	i++;
		2659	}
		2660	decimals = find_number_of_digits(precision);
11806	schaersvoo	2661	for(c = 0 ; c < i-1 ; c = c+2){
		2662	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.f],[%.f],[%.2f],[%d],%.2f,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	2663	/* click_cnt++; */
11806	schaersvoo	2664	if(onclick > 0){click_cnt++;}
8363	schaersvoo	2665	}
		2666	reset();
		2667	break;
11806	schaersvoo	2668
		2669	case POLY:
		2670	/*
		2671	@ poly color,x1,y1,x2,y2...x_n,y_n
		2672	@ polygon color,x1,y1,x2,y2...x_n,y_n
		2673	@ draw closed polygon
		2674	@ use command 'fpoly' to fill it or use keyword <a href='#filled'>'filled'</a>
		2675	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		2676	*/
		2677	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2678	i=0;
		2679	c=0;
		2680	while( ! done ){ /* get next item until EOL*/
		2681	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2682	for( c = 0 ; c < 2; c++){
		2683	if(c == 0 ){
		2684	double_data[i] = get_real(infile,0);
		2685	i++;
		2686	}
		2687	else
		2688	{
		2689	double_data[i] = get_real(infile,1);
		2690	i++;
		2691	}
		2692	}
		2693	}
		2694	/* draw path : closed & optional filled */
		2695	decimals = find_number_of_digits(precision);
		2696	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2697	if(onclick > 0){click_cnt++;}
		2698	/* click_cnt++; */
		2699	reset();
		2700	break;
		2701
7614	schaersvoo	2702	case POLYLINE:
		2703	/*
		2704	@ polyline color,x1,y1,x2,y2...x_n,y_n
10975	schaersvoo	2705	@ brokenline color,x1,y1,x2,y2...x_n,y_n
		2706	@ path color,x1,y1,x2,y2...x_n,y_n
		2707	@ remark: there is <b>no</b> command polylines \| brokenlines \| paths ... just use multiple commands "polyline ,x1,y1,x2,y2...x_n,y_n"
		2708	@ remark: there are commands "userdraw path(s),color" and "userdraw polyline,color"... these are two entirely different things !<br />the path(s) userdraw commands may be used for freehand drawing(s)<br />the polyline userdraw command is analogue to this polyline\|brokenline command
		2709	@ 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)
		2710	@ use command <a href='#segments'>'segments'</a> for a series of segments.<br />these may be clicked/dragged individually
9406	schaersvoo	2711	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	2712	*/
		2713	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2714	i=0;
		2715	c=0;
		2716	while( ! done ){ /* get next item until EOL*/
		2717	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2718	for( c = 0 ; c < 2; c++){
		2719	if(c == 0 ){
		2720	double_data[i] = get_real(infile,0);
		2721	i++;
		2722	}
		2723	else
		2724	{
		2725	double_data[i] = get_real(infile,1);
		2726	i++;
		2727	}
		2728	}
		2729	}
		2730	/* draw path : not closed & not filled */
		2731	decimals = find_number_of_digits(precision);
11802	schaersvoo	2732	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	2733	if(onclick > 0){click_cnt++;}
		2734	/* click_cnt++;*/
		2735	reset();
7614	schaersvoo	2736	break;
11806	schaersvoo	2737
		2738	case POPUP:
		2739	/*
		2740	@ popup
		2741	@ keyword (no arguments)
		2742	@ if fly-script starts with keyword 'popup', the canvas image will be exclusively in a popup window (xsize px × ysize px)
		2743	@ if keyword 'popup' is used after command 'size xsize,ysize' the canvas will also be displayed in a popup window with size 'xsize × ysize'
		2744	@ the popup window will be embedded into the page as a 'normal' image , when 'status=done' ; override with keyword <a href="#status"> 'nostatus'</a>
		2745	@ to access the read_canvas and read_dragdrop functions in a popup window, use:<br /><em><br /> 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 /> };<br /></em>
		2746	@ to set a canvasdraw produced <a href="#clock">clock</a> or multiple clocks...use something like:<br /><em>popup.set_clock(clock_id,type,diff);</em><br />as js-function for a button (or something else) in your document page.<br />wherein <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
		2747	*/
		2748	use_tooltip = 2;
		2749	break;
		2750
		2751	case PROTRACTOR:
7614	schaersvoo	2752	/*
11806	schaersvoo	2753	@ protractor x,y,x_width,type,mode,use_a_scale
		2754	@ x,y are the initial location
		2755	@ x_width : give the width in x-coordinate system (e.g. not in pixels !)
		2756	@ type = 1 : a triangle range 0 - 180<br />type = 2 : a circle shape 0 - 360
		2757	@ 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
		2758	@ 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>
		2759	@ use_scale = 1 : the protractor will have some scale values printed; use_scale=0 to disable
		2760	@ the rotating direction of the mouse around the protractor determines the clockwise/ counter clockwise rotation of the protractor...
		2761	@ commands <em>stroke_color \| fill_color \| linewidth \| opacity \| font_family</em> will determine the looks of the protractor.
		2762	@ default replyformat: reply[0] = x;reply[1] = y;reply[2] = angle_in_radians<br />use command 'precision' to set the reply precision.
		2763	@ if combined with a ruler, use replyformat = 32
		2764	@ command <em>snap_to_grid</em> may be used to assist the pupil at placing the protractor
		2765	@ 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 /><em>technical:<br /> 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... </em>
		2766	@ only one protractor allowed (for the time being)
		2767	@ 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...
7614	schaersvoo	2768	*/
11806	schaersvoo	2769	for( i = 0;i < 6; i++ ){
		2770	switch(i){
		2771	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		2772	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		2773	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		2774	case 3: int_data[0] = (int)(get_real(infile,0));break; /* type: 1==triangle 2 == circle */
		2775	case 4: int_data[1] = (int)(get_real(infile,0));break; /* passive mode == 0; active mode == -1 */
		2776	case 5: int_data[2] = (int)(get_real(infile,1)); /* use scale */
		2777	decimals = find_number_of_digits(precision);
		2778	if( int_data[2] < 0 ){
		2779	if( js_function[JS_FIND_ANGLE] != 1 ){ /* add je function for calculating angle */
		2780	js_function[JS_FIND_ANGLE] = 1;
		2781	}
		2782	}
		2783	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]);
		2784
		2785	string_length = snprintf(NULL,0,";protractor%d(); ",canvas_root_id);
		2786	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2787	snprintf(tmp_buffer,string_length,";protractor%d(); ",canvas_root_id);
		2788	add_to_buffer(tmp_buffer);
		2789	reply_precision = precision;
		2790	/* no reply from protractor if non-interactive */
		2791	if( reply_format == 0 && int_data[1] == -1 ){reply_format = 30;}
		2792	break;
		2793	default: break;
		2794	}
		2795	}
		2796	break;
		2797
		2798	case PIXELS:
		2799	/*
		2800	@ pixels color,x1,y1,x2,y2,x3,y3...
		2801	@ draw rectangular "points" with diameter 1 pixel
		2802	@ pixels can <b>not</b> be dragged or clicked
		2803	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2804	*/
		2805	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2806	stroke_color=get_color(infile,0);
7614	schaersvoo	2807	i=0;
		2808	c=0;
		2809	while( ! done ){ /* get next item until EOL*/
		2810	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2811	for( c = 0 ; c < 2; c++){
		2812	if(c == 0 ){
		2813	double_data[i] = get_real(infile,0);
		2814	i++;
		2815	}
		2816	else
		2817	{
		2818	double_data[i] = get_real(infile,1);
		2819	i++;
		2820	}
		2821	}
		2822	}
11806	schaersvoo	2823	decimals = find_number_of_digits(precision);
		2824	/* double_xy2js_array(double xy[],int len,int decimals) /
		2825	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2826	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2827	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2828	add_to_buffer(tmp_buffer);
		2829	reset();
7614	schaersvoo	2830	break;
11806	schaersvoo	2831
		2832	case PIXELSIZE:
7614	schaersvoo	2833	/*
11806	schaersvoo	2834	@ pixelsize int
		2835	@ in case you want to deviate from default pixelsize = 1(...)
7614	schaersvoo	2836	*/
11806	schaersvoo	2837	pixelsize = (int) get_real(infile,1);
		2838	break;
8105	schaersvoo	2839
11806	schaersvoo	2840	case PIECHART:
7614	schaersvoo	2841	/*
11806	schaersvoo	2842	@ piechart xc,yc,radius,'data+colorlist'
		2843	@ (xc : yc) center of circle diagram in xrange/yrange
		2844	@ radius in pixels
		2845	@ 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
		2846	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2847	@ the number of colors must match the number of data.
		2848	@ use command "<a href='#opacity'>'opacity'</a> to adjust fill_opacity of colours
		2849	@ use command <a href='#legend'>'legend'</a> to automatically create a legend <br />using the same colours as pie segments<br />unicode allowed in legend<br />expect javascript trouble if the amount of 'pie-slices', 'pie-colours' 'pie-legend-titles' do not match<br />a javascript console is your best friend...<br />use command 'fontfamily' to set the font of the legend.
7614	schaersvoo	2850	*/
11806	schaersvoo	2851	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2852	for(i=0;i<5;i++){
		2853	switch(i){
11806	schaersvoo	2854	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2855	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2856	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2857	case 3: temp = get_string(infile,1);
		2858	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2859	string_length = snprintf(NULL,0,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\");\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,legend_cnt,font_family);
		2860	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2861	snprintf(tmp_buffer,string_length,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\");\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,legend_cnt,font_family);
		2862	add_to_buffer(tmp_buffer);
		2863	break;
		2864	default:break;
7614	schaersvoo	2865	}
		2866	}
11806	schaersvoo	2867	reset();
7614	schaersvoo	2868	break;
8304	schaersvoo	2869
7614	schaersvoo	2870	case RAYS:
		2871	/*
		2872	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		2873	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	2874	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	2875	*/
		2876	stroke_color=get_color(infile,0);
7786	schaersvoo	2877	fill_color = stroke_color;
		2878	double_data[0] = get_real(infile,0);/* xc */
		2879	double_data[1] = get_real(infile,0);/* yc */
		2880	i=2;
		2881	while( ! done ){ /* get next item until EOL*/
		2882	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		2883	if(i%2 == 0 ){
		2884	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	2885	}
7786	schaersvoo	2886	else
		2887	{
		2888	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	2889	}
7786	schaersvoo	2890	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		2891	i++;
7614	schaersvoo	2892	}
8224	bpr	2893
		2894	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		2895	decimals = find_number_of_digits(precision);
7786	schaersvoo	2896	for(c=2; c<i;c = c+2){
11802	schaersvoo	2897	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	2898	/* click_cnt++; */
		2899	if(onclick > 0){click_cnt++;}
7614	schaersvoo	2900	}
		2901	reset();
		2902	break;
8304	schaersvoo	2903
11806	schaersvoo	2904	case RECT:
8386	schaersvoo	2905	/*
11806	schaersvoo	2906	@ rect x1,y1,x2,y2,color
		2907	@ use command 'frect x1,y1,x2,y2,color' for a filled rectangle
		2908	@ use command/keyword <a href='#filled'>'filled'</a> before command 'rect x1,y1,x2,y2,color'
9406	schaersvoo	2909	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8386	schaersvoo	2910	*/
11806	schaersvoo	2911	for(i=0;i<5;i++){
		2912	switch(i){
		2913	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		2914	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		2915	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		2916	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		2917	case 4:stroke_color = get_color(infile,1);/* name or hex color */
8386	schaersvoo	2918	decimals = find_number_of_digits(precision);
11806	schaersvoo	2919	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2920	if(onclick > 0){click_cnt++;}
		2921	/* click_cnt++; */
8386	schaersvoo	2922	reset();
		2923	break;
11806	schaersvoo	2924	}
		2925	}
		2926	break;
8386	schaersvoo	2927
11806	schaersvoo	2928	case RECTS:
8304	schaersvoo	2929	/*
11806	schaersvoo	2930	@ rects color,x1,y1,x2,y2,.....
		2931	@ use command 'frect color,x1,y1,x2,y2,.....' for a filled rectangle
		2932	@ use command/keyword <a href='#filled'>'filled'</a> before command 'rects color,x1,y1,x2,y2,....'
		2933	@ use command 'fillcolor color' before 'frects' to set the fill colour.
9406	schaersvoo	2934	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8304	schaersvoo	2935	*/
		2936	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2937	fill_color = stroke_color;
		2938	i=0;
		2939	while( ! done ){ /* get next item until EOL*/
		2940	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2941	if(i%2 == 0 ){
		2942	double_data[i] = get_real(infile,0); /* x */
		2943	}
		2944	else
		2945	{
		2946	double_data[i] = get_real(infile,1); /* y */
		2947	}
		2948	i++;
		2949	}
		2950	decimals = find_number_of_digits(precision);
		2951	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	2952	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		2953	if(onclick > 0){click_cnt++;}
8379	schaersvoo	2954	/* click_cnt++; */
8304	schaersvoo	2955	}
		2956	reset();
		2957	break;
8386	schaersvoo	2958
11806	schaersvoo	2959	case REPLYFORMAT:
7614	schaersvoo	2960	/*
11806	schaersvoo	2961	@ replyformat number
		2962	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
		2963	@ default values should be fine !
		2964	@ use command 'precision [0,1,10,100,1000,10000...]' before command 'replyformat' to set the desired number of decimals in the student reply / drawing
		2965	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
		2966	@ choose<ul><li>1 = x1,x2,x3,x4....x_n<br />y1,y2,y3,y4....y_n<br /><br />x/y in pixels</li><li>2 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>3 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in pixels <br /> r in pixels</li><li>4 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in xrange / yrange coordinate system<br /> r in pixels</li><li>5 = 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<br /> x/y in pixels<br /></li><li>6 = 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<br /> x/y in xrange / yrange coordinate system<br /></li><li>7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in pixels</li><li>8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in xrange / yrange coordinate system</li><li>9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in pixels</li><li>10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in xrange / yrange coordinate system</li><li>11 = 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<br /> x/y in xrange / yrange coordinate system</li><li>12 = 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<br /> x/y in pixels</li><li>13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2<br /> x/y in xrange / yrange coordinate system</li><li>14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2<br /> x/y in pixels</li><li>15 = reply from inputfields,textareas<br /> reply1,reply2,reply3,...,reply_n</li><li>16 = mathml input fields </li><li>17 = read "userdraw text,color" only (x1,y1,text1 \\n x2,y2,text2...\\n...x_n,y_n,text_n <br /> x/y-values are in xrang/yrange</li><li>18 = read_canvas() will read all interactive clocks in H1:M1:S1,H2:M2:S2...Hn:Mn:Sn</li><li>19 = read_canvas() will return the object number of marked / clicked object (clock)<br />analogue to (shape library) onclick command </li><li>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 <br />e.g. expect something like 0:-5:4,1:6:2,2:-2:-5 <br /> the first image position is (-5:4) , the second image position is (6:2) and the third image position is (-2:-5) <li>21 = (x1:y1) (x2:y2) ... (x_n:y_n)<br />verbatim coordinate return</li><li>22 = returns an array .... reply[0]=x1 reply[1]=y1 reply[2]=x2 reply[3]=y2 ... reply[n-1]=x_n reply[n]=y_n<br /> x/y in xrange / yrange coordinate system</li><li>23 : can only be used for drawtype 'polyline'<br />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--> x1,y1,x2,y2,x3,y3,.....x(n-1),y(n-1),xn,yn multiple occurences will be filtered out.The reply will be in x-y-range (xreply \\n yreply)</li><li>24 = read all inputfield values: even those set 'readonly'</li><li>25 = angle1,angle2...angle_n : will return the radius (one or many) of the user drawn circle segment in degrees </li><li>26 = rad1,rad2...rad_n : will return the radius (one or many) of the user drawn circle segment in radians </li><li>27 = return (only) userdraw inputfields x1,y1,text1 \\n x2,y2,text2...\\n...x_n,y_n,text_n</li><li>28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n <br />x / y / r in xrange / yrange coordinate system: may be used to reinput into command 'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'<br /> will not return anything else (e.g. no inputfields , text etc)</li></ul>
		2967
		2968	*/
		2969	reply_format = (int) get_real(infile,1);
		2970	reply_precision = precision;
		2971	break;
		2972
		2973	case ROUNDRECT:
		2974	/*
		2975	@ roundrect x1,y1,x2,y2,radius in px,color
		2976	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		2977	@ use command/keyword <a href='#filled'>'filled'</a> before command 'roundrect x1,y1,x2,y2,radius,color'
		2978	@ fillcolor will be identical to 'color'
9406	schaersvoo	2979	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	2980	*/
11806	schaersvoo	2981	for(i=0;i<6;i++){
		2982	switch(i){
		2983	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		2984	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		2985	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		2986	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		2987	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		2988	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		2989	/* ensure no inverted roundrect is produced... */
		2990	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];}
		2991	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	2992	decimals = find_number_of_digits(precision);
11806	schaersvoo	2993	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
8379	schaersvoo	2994	if(onclick > 0){click_cnt++;}
		2995	/* click_cnt++;*/
		2996	reset();
11806	schaersvoo	2997	break;
		2998	}
		2999	}
		3000	break;
8386	schaersvoo	3001
11806	schaersvoo	3002	case ROUNDRECTS:
8347	schaersvoo	3003	/*
11806	schaersvoo	3004	@ roundrects color,radius in px,x1,y1,x2,y2,x3,y3,x4,y4,....
		3005	@ for filled roundrects use command/keyword <a href='#filled'>'filled'</a> before command
9406	schaersvoo	3006	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8347	schaersvoo	3007	*/
11806	schaersvoo	3008
8347	schaersvoo	3009	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
11806	schaersvoo	3010	int_data[0] = (int) (get_real(infile,0)); /* radius value in pixels */
8347	schaersvoo	3011	fill_color = stroke_color;
		3012	i=0;
		3013	while( ! done ){ /* get next item until EOL*/
		3014	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3015	if(i%2 == 0 ){
		3016	double_data[i] = get_real(infile,0); /* x */
		3017	}
		3018	else
		3019	{
		3020	double_data[i] = get_real(infile,1); /* y */
		3021	}
		3022	i++;
		3023	}
		3024	decimals = find_number_of_digits(precision);
		3025	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	3026	/* ensure no inverted roundrect is produced... */
		3027	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];}
		3028	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];}
		3029	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3030	if(onclick > 0){click_cnt++;}
8379	schaersvoo	3031	/* click_cnt++; */
8347	schaersvoo	3032	}
		3033	reset();
		3034	break;
8386	schaersvoo	3035
11806	schaersvoo	3036	case RULER:
7614	schaersvoo	3037	/*
11806	schaersvoo	3038	@ ruler x,y,x-width ,y-height,mode
		3039	@ x,y are the initial location
		3040	@ x-width , y-height are the ruler dimensions width & height in xy-coordinate system
		3041	@ the ruler scale is by definition the x-scale, set by command 'xrange'<br />for example: a ruler x-width of 6 will have a scale ranging from 0 to 6
		3042	@ 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
		3043	@ if combined with a protractor, use replyformat = 32
		3044	@ only one ruler allowed (for the time being)
		3045	@ 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 /><em>technical:<br /> the actual 'ruler' 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... </em>
		3046	@ usage: first left click on the ruler 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...
7614	schaersvoo	3047	*/
11806	schaersvoo	3048	for( i = 0;i < 5; i++ ){
7614	schaersvoo	3049	switch(i){
11806	schaersvoo	3050	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		3051	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		3052	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		3053	case 3: double_data[3] = get_real(infile,0);break; /* y-width */
		3054	case 4: int_data[0] = (int)(get_real(infile,1)); /* passive mode */
		3055	decimals = find_number_of_digits(precision);
		3056	if( int_data[0] < 0 ){
		3057	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1; }
		3058	}
		3059	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]);
		3060	string_length = snprintf(NULL,0,";ruler%d(); ",canvas_root_id);
		3061	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3062	snprintf(tmp_buffer,string_length,";ruler%d(); ",canvas_root_id);
		3063	add_to_buffer(tmp_buffer);
		3064	reply_precision = precision;
		3065	/* no reply from ruler if non-interactive */
		3066	if( reply_format == 0 && int_data[0] == -1 ){reply_format = 31;}
7614	schaersvoo	3067	break;
		3068	default: break;
		3069	}
		3070	}
		3071	break;
8386	schaersvoo	3072
11806	schaersvoo	3073	case RESETOFFSET:
7614	schaersvoo	3074	/*
11806	schaersvoo	3075	@ resetoffset
		3076	@ keyword ; use to restore text placement on the canvas to the real (x;y) coordinates of the left bottom corner of the text
		3077	@ 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	3078	*/
11806	schaersvoo	3079	use_offset = 0;
		3080	break;
		3081
		3082	case ROTATE:
		3083	/*
		3084	@ rotate rotation_angle
		3085	@ angle in degrees
		3086	@ (only) the next object will be rotated is given angle
		3087	@ positive values rotate counter clockwise
		3088	@ attention: all objects will be rotated around their first point...<br /><em>rotate 45</em><br /> <em>triangle 1,1,5,1,3,4,red</em><br />will rotate 45 degrees around point (1:1)
		3089	@ 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>
		3090	@ 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
		3091	*/
		3092	use_rotate = TRUE;
		3093	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	3094	break;
11806	schaersvoo	3095	case ROTATION_CENTER:
9306	schaersvoo	3096	/*
11806	schaersvoo	3097	@ rotationcenter x_center,y_center
		3098	@ define an rotation center in your x/y-coordinate system
		3099	@ wims will not check the validity of your input; use javascript console to debug any erors
		3100	@ if not defined a rotation will be around the first point of an object
		3101	@ to be used before command <a href="#rotate">rotate</a>
		3102	@ all other commands will use this rotation center, unless a <a href="#killrotation">killrotation</a> is given
9306	schaersvoo	3103	*/
11806	schaersvoo	3104	temp = get_string(infile,1);
		3105	string_length = snprintf(NULL,0,"[ %s ]",temp);
		3106	check_string_length(string_length);
		3107	rotation_center = my_newmem(string_length+1);
		3108	snprintf(rotation_center,string_length,"[%s]",temp);
9306	schaersvoo	3109	break;
11806	schaersvoo	3110
		3111	case SIZE:
		3112	/*
		3113	@ size width,height
		3114	@ set canvas size in pixels
		3115	@ mandatory first command (can only be preceded by keyword <a href="#popup">'popup'</a>)
		3116	@ 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
		3117	*/
		3118	found_size_command = 1;
		3119	/* using fabs : however "xsize == int" : so "xsize = abs( (int) get_real(infile,0))" would be the idea... */
		3120	xsize = (int)(fabs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		3121	ysize = (int)(fabs(round(get_real(infile,1))));
		3122	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		3123	xmin = 0;xmax = xsize;
		3124	ymin = 0;ymax = ysize;
		3125
		3126	/*
		3127	The sequence in which stuff is finally printed is important !!
		3128	*/
		3129	fprintf(stdout,"\n\
		3130	<script type=\"text/javascript\">\n\
		3131	/<![CDATA[/\n\
		3132	if( typeof(wims_status) === 'undefined' ){ var wims_status = \"$status\";};\
		3133	if( typeof(use_dragdrop_reply) === 'undefined' ){ var use_dragdrop_reply = false;};\
		3134	if( typeof(canvas_scripts) === 'undefined' ){ var canvas_scripts = new Array();};\
		3135	canvas_scripts.push(\"%d\");\n/]]>/\n</script>\n\
		3136	",canvas_root_id);
		3137
		3138	/* style=\"display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\" */
		3139	if( use_tooltip != 2){
		3140	fprintf(stdout,"<!-- canvasdraw div -->\n\
		3141	<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\
		3142	<!-- tooltip and input placeholder -->\n\
		3143	<div id=\"tooltip_placeholder_div%d\" style=\"text-align:center\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\
		3144	<!-- include actual object code via include file -->\n\
		3145	<script id=\"canvas_script%d\" type=\"text/javascript\" src=\"%s\"></script>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,getfile_cmd);
		3146	}
		3147	else
		3148	{
		3149	/*
		3150	set canvas_div invisible and do not include placeholder in main html page :
		3151	the js-include will also be in a popup window...to be shown when wims $status = done
		3152	*/
		3153	fprintf(stdout,"<!-- canvasdraw div invisible -->\n\
		3154	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"display:none;position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div>\n\
		3155	<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>\
		3156	<!-- include actual object code via include file -->\n\
		3157	<script id=\"canvas_script%d\" type=\"text/javascript\" src=\"%s\"></script>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,getfile_cmd);
		3158	}
		3159
		3160	/* these must be global...it's all really very poor javascript :( */
		3161	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n\
		3162	\"use strict\";\n\
		3163	<!-- these variables and functions must be global -->\n\
		3164	var read_dragdrop%d;\
		3165	var read_canvas%d;\
		3166	var set_clock;\
		3167	var clear_draw_area%d;\
		3168	var update_draw_area%d;\
		3169	var draw_boxplot;\
		3170	var redraw_all%d;\
		3171	var userdraw_primitive;\n\
		3172	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		3173	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
		3174	var xsize = %d;\
		3175	var ysize = %d;\
		3176	var precision = 100;\
		3177	var canvas_div = document.getElementById(\"canvas_div%d\");\
		3178	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;};\
		3179	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;};\
		3180	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);};};\
		3181	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);};};\
		3182	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);};};\
		3183	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);};};\
		3184	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		3185	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
		3186	function distance(x1,y1,x2,y2){return Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) );};\
		3187	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) ));};\
		3188	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;};\
		3189	function slide(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = x2px(obj.xorg[p] + dx);obj.y[p] = y2px(obj.yorg[p] + dy);};return obj;};\
		3190	var isTouch = (('ontouchstart' in window) \|\| (navigator.msMaxTouchPoints > 0));\
		3191	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		3192	var use_snap_to_points = 0;\
		3193	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		3194	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n\
		3195	var xlogbase = 10;\
		3196	var ylogbase = 10;\
		3197	var use_xlogscale = 0;\
		3198	var use_ylogscale = 0;\
		3199	var x_strings = null;var x_strings_up = null;\
		3200	var y_strings = null;\
		3201	var use_pan_and_zoom = 0;\
		3202	var use_jsmath = 0;\
		3203	var xstart = 0;\
		3204	var ystart = 0;\
		3205	var unit_x=\" \";\
		3206	var unit_y=\" \";\
		3207	var external_canvas = create_canvas%d(%d,xsize,ysize);\n",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);
		3208	/* default add the drag code : nearly always used ...*/
		3209	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		3210
		3211	break;
		3212
		3213
		3214	case SEGMENT:
7614	schaersvoo	3215	/*
11806	schaersvoo	3216	@ segment x1,y1,x2,y2,color
		3217	@ alternative : seg
		3218	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		3219	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	3220	*/
11806	schaersvoo	3221	for(i=0;i<5;i++) {
7614	schaersvoo	3222	switch(i){
11806	schaersvoo	3223	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		3224	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		3225	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		3226	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		3227	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		3228	decimals = find_number_of_digits(precision);
		3229	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3230	if(onclick > 0){click_cnt++;}
		3231	/* click_cnt++; */
		3232	reset();
		3233	break;
		3234	default: break;
7614	schaersvoo	3235	}
		3236	}
		3237	break;
10953	bpr	3238
11806	schaersvoo	3239	case SEGMENTS:
9213	schaersvoo	3240	/*
11806	schaersvoo	3241	@ segments color,x1,y1,x2,y2,...,x_n,y_n
		3242	@ alternative : segs
		3243	@ draw multiple segments between points (x1:y1)--(x2:y2).....and... (x_n-1:y_n-1)--(x_n:y_n) in color 'color'
		3244	@ use command 'linewidth int' to adust size
		3245	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
9213	schaersvoo	3246	*/
11806	schaersvoo	3247	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3248	fill_color = stroke_color;
		3249	i=0;
		3250	while( ! done ){ /* get next item until EOL*/
		3251	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3252	if(i%2 == 0 ){
		3253	double_data[i] = get_real(infile,0); /* x */
		3254	}
		3255	else
		3256	{
		3257	double_data[i] = get_real(infile,1); /* y */
		3258	}
		3259	i++;
		3260	}
		3261	decimals = find_number_of_digits(precision);
		3262	for(c = 0 ; c < i-1 ; c = c+4){
		3263	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3264	if(onclick > 0){click_cnt++;}
		3265	/* click_cnt++;*/
		3266	}
		3267	reset();
9213	schaersvoo	3268	break;
11806	schaersvoo	3269
		3270	case SETLIMITS:
9213	schaersvoo	3271	/*
11806	schaersvoo	3272	@ setlimits
		3273	@ keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		3274	@ may be used for inputfield based zooming / panning
		3275	@ may be styled using command <a href="#inputstyle">inputstyle</a>
		3276	@ use commands <a href="#xlabel">xlabel / ylabel</a> to change text from xmin to 'xlabel' etc
		3277	@ note:the input value will not be checked on validity
9213	schaersvoo	3278	*/
11806	schaersvoo	3279	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		3280	add_setlimits(js_include_file,canvas_root_id,font_size,input_style);
		3281	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		3282	use_pan_and_zoom = TRUE;
		3283	done = TRUE;
9213	schaersvoo	3284	break;
11806	schaersvoo	3285
		3286	case SETPIXEL:
9213	schaersvoo	3287	/*
11806	schaersvoo	3288	@ setpixel x,y,color
		3289	@ A rectangular "point" with diameter 1 pixel centered at (x:y) in xrange / yrange
		3290	@ pixels can <b>not</b> be dragged or clicked
		3291	@ "pixelsize = 1" may be changed by command "pixelsize int"
9213	schaersvoo	3292	*/
11806	schaersvoo	3293	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3294	for(i=0;i<3;i++){
		3295	switch(i){
		3296	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3297	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3298	case 2: stroke_color = get_color(infile,1);
		3299	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3300	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3301	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3302	add_to_buffer(tmp_buffer);
		3303	break;
		3304	default:break;
		3305	}
		3306	}
		3307	reset();
		3308	break;
		3309
		3310
		3311	case SLIDER:
9213	schaersvoo	3312	/*
11806	schaersvoo	3313	@ slider start_value,end_value,width px,height px,<em>type</em>,label
		3314	@ <em>type</em> may be : xy,x,y,angle
		3315	@ 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
		3316	@ if a unit (or something like that...) for x/y-value display is needed, use commands 'xunit' and / or 'yunit'
		3317	@ 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 />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<br />... etc
		3318	@ use command 'slider' before draggable/clickable objects.
		3319	@ drag and drop may be combined with rotation slider<br />for example an arrow rotated by a slider may be placed anywhere (drag&drop)<em>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</em>
		3320	@ no slider for a math function, these can be traced using command 'trace_jscurve some_function_in_x'
		3321	@ 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'
		3322	@ amount of sliders is not limited.
		3323	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
		3324	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		3325	@ every draggable object may have its own slider (no limit in amount of sliders)
		3326	@ label: some slider text
		3327	@ use fillcolor for slider ball
		3328	@ use strokecolor for slider bar
		3329	@ use fontfamily / fontcolor to set used fonts
		3330	@ use opacity (only fill opacity will be used) to set transparency
		3331	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
9213	schaersvoo	3332	*/
11806	schaersvoo	3333	slider_cnt++;/* slider starts at 1 */
		3334	for(i=0; i<6 ; i++){
		3335	switch(i){
		3336	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		3337	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		3338	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		3339	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
		3340	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
		3341	if(strstr(temp,"xy")!= 0){
		3342	slider = 4;
		3343	}
		3344	else
		3345	{
		3346	if(strstr(temp,"x") != 0){
		3347	slider = 1;
		3348	}
		3349	else
		3350	{
		3351	if(strstr(temp,"y") != 0){
		3352	slider = 2;
		3353	}
		3354	else
		3355	{
		3356	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
		3357	slider = 3;
		3358	}
		3359	else
		3360	{
		3361	canvas_error("slider can be of type: xy,x,y,angle,fun_x:fun_y");
		3362	}
		3363	}
		3364	}
		3365	}
		3366	if(strstr(temp,"display")!=0){
		3367	if( slider == 4 ){ /* show x:y */
		3368	use_slider_display = 1; /* show x xy values in canvas window */
		3369	}
		3370	else
		3371	{
		3372	if( slider == 1 ){ /* show only x -values */
		3373	use_slider_display = 10;
		3374	}
		3375	else
		3376	{
		3377	use_slider_display = 11; /* show only y -values*/
		3378	}
		3379	}
		3380	}
		3381	else
		3382	{
		3383	if(strstr(temp,"degree")!= 0){
		3384	use_slider_display = 2; /* show angle values in canvas window */
		3385	}
		3386	else
		3387	{
		3388	if(strstr(temp,"radian")!=0){
		3389	use_slider_display = 3; /* show radian values in canvas window */
		3390	}
		3391	}
		3392	}
		3393	if(use_slider_display != 0 && slider_cnt == 1){ /add just once the display js-code /
		3394	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		3395	}
		3396	if(strstr(temp,"fun")!= 0){
		3397	if( use_js_math == FALSE){/* add this stuff only once...*/
		3398	add_to_js_math(js_include_file); use_js_math = TRUE;
		3399	}
		3400	fprintf(js_include_file,"var slider_function%d = {x:to_js_math('%s'),y:to_js_math('%s')};",slider_cnt,slider_function_x,slider_function_y);
		3401	slider_function_x = "x";slider_function_y = "y";/* reset the functions for next slider...*/
		3402	}
		3403	else
		3404	{
		3405	fprintf(js_include_file,"var slider_function%d = {x:'x',y:'y'};",slider_cnt);
		3406	/* we must define these, otherwise 'use stict' will cause an error */
		3407	}
		3408	break;
		3409	case 5: /* some string used for slider description */
		3410	if(slider == 4){
		3411	add_xyslider(js_include_file,canvas_root_id,double_data[0],double_data[1],int_data[0],int_data[1],slider,get_string_argument(infile,1),slider_cnt,stroke_color,fill_color,line_width,fill_opacity,font_family,font_color,use_slider_display);
		3412	}
		3413	else
		3414	{
		3415	add_slider(js_include_file,canvas_root_id,double_data[0],double_data[1],int_data[0],int_data[1],slider,get_string_argument(infile,1),slider_cnt,stroke_color,fill_color,line_width,fill_opacity,font_family,font_color,use_slider_display);
		3416	}
		3417	break;
		3418	}
		3419	}
9213	schaersvoo	3420	break;
11806	schaersvoo	3421	case SLIDER_X:
9213	schaersvoo	3422	/*
11806	schaersvoo	3423	@ sliderfunction_x some_function_in_x
		3424	@ default value "x"
		3425	@ the x-value of the slider object(s) will be calculated with this function.
		3426	@ default is the x-slider value itself
		3427	@ only used by command 'slider'
		3428	@ define before a slider command !
9213	schaersvoo	3429	*/
11806	schaersvoo	3430	slider_function_x = get_string(infile,1);
		3431	break;
		3432	case SLIDER_Y:
		3433	slider_function_y = get_string(infile,1);
		3434	/*
		3435	@ sliderfunction_y some_function_in_y
		3436	@ default value "y"
		3437	@ the y-value of the slider object(s) will be calculated with this function.
		3438	@ only used by command 'slider'
		3439	@ define before a slider command !
		3440	*/
		3441	break;
		3442	case SGRAPH:
		3443	/*
		3444	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		3445	@ primitive implementation of a 'broken scale' graph...
		3446	@ 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 />
		3447	@ example:<br />size 400,400<br />xrange 0,10000<br />yrange 0,100<br />sgraph 9000,50,100,10,4,4,grey,blue<br />userinput_xy<br />linewidth 2<br />userdraw segments,red
		3448	*/
		3449	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		3450	for(i = 0 ; i < 8 ;i++){
		3451	switch(i){
		3452	case 0:double_data[0] = get_real(infile,0);break;
		3453	case 1:double_data[1] = get_real(infile,0);break;
		3454	case 2:double_data[2] = get_real(infile,0);break;
		3455	case 3:double_data[3] = get_real(infile,0);break;
		3456	case 4:int_data[0] = (int)(get_real(infile,0));break;
		3457	case 5:int_data[1] = (int)(get_real(infile,0));break;
		3458	case 6:stroke_color = get_color(infile,0);break;
		3459	case 7:font_color = get_color(infile,1);
		3460	string_length = 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);
		3461	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3462	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);
		3463	add_to_buffer(tmp_buffer);
		3464	break;
		3465	default:break;
		3466	}
		3467	}
		3468	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
9213	schaersvoo	3469	break;
11806	schaersvoo	3470
		3471	case SNAPTOFUNCTION:
9213	schaersvoo	3472	/*
11806	schaersvoo	3473	@ snaptofunction some_function_in_x,some_funtion_in_y
		3474	@ alternative : snaptofun some_function_in_x,some_funtion_in_y
		3475	@ the next object will snap to the calculated values
		3476	@ if you want only modification of y-values,just use: snaptofunction x,5*sin(1/y)
		3477	@ if you want only modification of x-values,just use: snaptofunction 5*sin(1/x),y
		3478	@ for now only one instance of 'snaptofunction' is allowed
		3479	@ use rawmath on your functions: no validity checking is done by wims !
		3480	@ example:<br />....<br />snaptofunction 5(cos(x),4sin(y)<br />linewidth 3<br />userdraw points,blue<br />....<br />
		3481	@ example : switching x and y coordinates?<br />snaptofunction y,x
9213	schaersvoo	3482	*/
11806	schaersvoo	3483	temp = get_string_argument(infile,0);
		3484	fprintf(js_include_file,"\nuse_snap_to_points = 2;");
		3485	if( use_js_math == FALSE){/* add this stuff only once...*/
		3486	add_to_js_math(js_include_file); use_js_math = TRUE;
		3487	}
		3488	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));
		3489	break;
		3490	case SNAPTOPOINTS:
		3491	/*
		3492	@ snaptopoints x1,y1,x2,y2,x3,y3....
		3493	@ a userdraw object will snap to these points.
		3494	@ the array size (e.g. the number of points) of command 'snaptopoints' is limited by constant MAX_INT (canvasdraw.h)
		3495	@ a draggable object (use command "drag x\|y\|xy") will snap to the clossed of these points when dragged (mouseup)
		3496	@ other options: use keyword "snaptogrid", "xsnaptogrid" or "ysnaptogrid"
		3497	*/
		3498	i = 0;
		3499	while( ! done ){ /* get next item until EOL*/
		3500	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3501	if(i%2 == 0 ){
		3502	double_data[i] = get_real(infile,0); /* x */
		3503	}
		3504	else
		3505	{
		3506	double_data[i] = get_real(infile,1); /* y */
		3507	}
		3508	i++;
		3509	}
		3510	decimals = find_number_of_digits(precision);
		3511	fprintf(js_include_file,"\nuse_snap_to_points = 1;\nfunction 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;};\nfunction 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)];};\n",(int) (0.5*i),double_xy2js_array(double_data,i,decimals));
		3512	break;
		3513
		3514	case SNAPTOGRID:
		3515	/*
		3516	@ snaptogrid
		3517	@ keyword (no arguments required)
		3518	@ a draggable object (use command "drag x\|y\|xy") will snap to the given grid when dragged (mouseup)
		3519	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
		3520	@ if no grid is defined ,points will snap to every integer xrange/yrange value. (eg snap_x=1,snap_y=1)
		3521	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		3522	@ 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<br />snaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<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 />
		3523	*/
		3524	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
		3525	break;
		3526
		3527	case SQUARE:
		3528	/*
		3529	@ square x,y,side (px) ,color
		3530	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		3531	@ use command 'fsquare x,y,side,color' for a filled square
		3532	@ use command/keyword <a href='#filled'>'filled'</a> before command 'square x,y,side,color'
		3533	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		3534	*/
		3535	for(i=0;i<5;i++){
		3536	switch(i){
		3537	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		3538	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		3539	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		3540	case 3:
		3541	stroke_color = get_color(infile,1);/* name or hex color */
		3542	decimals = find_number_of_digits(precision);
		3543	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		3544	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
		3545	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3546	if(onclick > 0){click_cnt++;}
		3547	/* click_cnt++; */
		3548	reset();
		3549	break;
		3550	}
		3551	}
9213	schaersvoo	3552	break;
11806	schaersvoo	3553
		3554	case STATUS:
9213	schaersvoo	3555	/*
11806	schaersvoo	3556	@ status
		3557	@ keyword
		3558	@ alernative : nostatus
		3559	@ used to override the effects of "status=done" in wims (answer.phtml)
		3560	@ affects 'readonly' in inputfields / textarea's in canvasimage and all userdraw based commands
		3561	@ 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	3562	*/
11806	schaersvoo	3563
		3564	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
9213	schaersvoo	3565	break;
11806	schaersvoo	3566
		3567	case STRING:
9213	schaersvoo	3568	/*
11806	schaersvoo	3569	@ string color,x,y,the text string
		3570	@ may be set "onclick" or "drag xy"
		3571	@ unicode supported: string red,0,0,\\u2232
		3572	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
9213	schaersvoo	3573	*/
11806	schaersvoo	3574	for(i=0;i<5;i++){
		3575	switch(i){
		3576	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		3577	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		3578	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		3579	case 3: decimals = find_number_of_digits(precision);
		3580	temp = get_string_argument(infile,1);
		3581	decimals = find_number_of_digits(precision);
		3582	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,14,[%.f],[%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3583	if(onclick > 0){click_cnt++;}
		3584	/* click_cnt++;*/
		3585	reset();
		3586	break;
		3587	default:break;
		3588	}
9213	schaersvoo	3589	}
		3590	break;
11806	schaersvoo	3591
		3592	case STRINGUP:
9213	schaersvoo	3593	/*
11806	schaersvoo	3594	@ stringup color,x,y,rotation_degrees,the text string
		3595	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		3596	@ unicode supported: stringup red,0,0,45,\\u2232
		3597	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		3598
9213	schaersvoo	3599	*/
11806	schaersvoo	3600	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		3601	for(i=0;i<6;i++){
		3602	switch(i){
		3603	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		3604	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		3605	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		3606	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		3607	case 4: decimals = find_number_of_digits(precision);
		3608	temp = get_string_argument(infile,1);
		3609	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s);\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);
		3610	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3611	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s);\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);
		3612	add_to_buffer(tmp_buffer);
		3613	break;
		3614	default:break;
		3615	}
9213	schaersvoo	3616	}
11806	schaersvoo	3617	reset();
9213	schaersvoo	3618	break;
11767	schaersvoo	3619
11806	schaersvoo	3620	case STYLE:
11767	schaersvoo	3621	/*
11806	schaersvoo	3622	@ highlight color,opacity,linewidth
		3623	@ NOT IMPLEMENTED
		3624	@ use command "onclick" : when the object receives a userclick it will increase its linewidth
11767	schaersvoo	3625	*/
		3626	break;
11806	schaersvoo	3627
		3628
		3629	case STROKECOLOR:
9213	schaersvoo	3630	/*
11806	schaersvoo	3631	@ strokecolor colorname or #hex
		3632	@ to be used for commands that do not supply a color argument (like command 'linegraph')
9213	schaersvoo	3633	*/
11806	schaersvoo	3634	stroke_color = get_color(infile,1);
9213	schaersvoo	3635	break;
11806	schaersvoo	3636
		3637	case FLY_TEXT:
9213	schaersvoo	3638	/*
11806	schaersvoo	3639	@ text fontcolor,x,y,font,text_string
		3640	@ font may be described by keywords : giant,huge,normal,small,tiny
		3641	@ use command 'fontsize' to increase base fontsize for these keywords
		3642	@ may be set "onclick" or "drag xy"
		3643	@ backwards compatible with flydraw
		3644	@ unicode supported: text red,0,0,huge,\\u2232
		3645	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		3646	@ Avoid mixing old flydraw commands 'text' 'textup' with new canvasdraw commands 'string' stringup'<br />If the fontfamily was set completely like "fontfamily italic 24px Ariel".<br />In that case reset 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
9213	schaersvoo	3647	*/
11806	schaersvoo	3648	for(i = 0; i < 5 ;i++){
		3649	switch(i){
		3650	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		3651	case 1: double_data[0] = get_real(infile,0);break; /* x */
		3652	case 2: double_data[1] = get_real(infile,0);break; /* y */
		3653	case 3: fly_font = get_string_argument(infile,0);
		3654	if(strcmp(fly_font,"giant") == 0){
		3655	fly_font_size = (int)(font_size + 24);
		3656	}
		3657	else
		3658	{
		3659	if(strcmp(fly_font,"huge") == 0){
		3660	fly_font_size = (int)(font_size + 14);
		3661	}
		3662	else
		3663	{
		3664	if(strcmp(fly_font,"large") == 0){
		3665	fly_font_size = (int)(font_size + 6);
		3666	}
		3667	else
		3668	{
		3669	if(strcmp(fly_font,"small") == 0){
		3670	fly_font_size = (int)(font_size - 4);
		3671	if(fly_font_size<0){fly_font_size = 8;}
		3672	}
		3673	}
		3674	}
		3675	}
		3676	break;
		3677	case 4:
		3678	temp = get_string_argument(infile,1);
		3679	decimals = find_number_of_digits(precision);
		3680	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,14,[%.f],[%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3681	if(onclick > 0){click_cnt++;}
		3682	/* click_cnt++;*/
		3683	reset();
		3684	break;
		3685	default:break;
		3686	}
10953	bpr	3687	}
9213	schaersvoo	3688	break;
11806	schaersvoo	3689	case TEXTAREA:
9289	schaersvoo	3690	/*
11806	schaersvoo	3691	@ textarea x,y,cols,rows,readonly,value
		3692	@ may be further controlled by <a href="#inputstyle">"inputstyle"</a>
		3693	@ 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>
		3694	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (javascript:read_canvas();)
		3695	@ keyword 'xoffset \| centered' is not active for commande 'textarea'
9289	schaersvoo	3696	*/
11806	schaersvoo	3697	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		3698	for(i = 0 ; i<6;i++){
9289	schaersvoo	3699	switch(i){
11806	schaersvoo	3700	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		3701	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		3702	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		3703	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		3704	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		3705	case 5: temp = get_string_argument(infile,1);
		3706	string_length = 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);
		3707	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3708	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);
		3709	add_to_buffer(tmp_buffer);
		3710	input_cnt++;break;
9289	schaersvoo	3711	default: break;
		3712	}
		3713	}
11806	schaersvoo	3714	if(reply_format == 0 ){reply_format = 15;}
		3715	reset();
9289	schaersvoo	3716	break;
11806	schaersvoo	3717
		3718	case FLY_TEXTUP:
9289	schaersvoo	3719	/*
11806	schaersvoo	3720	@ textup fontcolor,x,y,font,text_string
		3721	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		3722	@ font may be described by keywords : giant,huge,normal,small,tiny
		3723	@ use command 'fontsize' to increase base fontsize for the keywords
		3724	@ backwards compatible with flydraw
		3725	@ unicode supported: textup red,0,0,huge,\\u2232
		3726	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		3727	@ Avoid mixing old flydraw commands 'text' 'textup' with new canvasdraw commands 'string' stringup'<br />If the fontfamily was set completely like "fontfamily italic 24px Ariel".<br />In that case reset 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
9289	schaersvoo	3728	*/
11806	schaersvoo	3729	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		3730	for(i = 0; i<5 ;i++){
9289	schaersvoo	3731	switch(i){
11806	schaersvoo	3732	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		3733	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		3734	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		3735	case 3: fly_font = get_string_argument(infile,0);
		3736	if(strcmp(fly_font,"giant") == 0){
		3737	fly_font_size = (int)(font_size + 24);
		3738	}
		3739	else
		3740	{
		3741	if(strcmp(fly_font,"huge") == 0){
		3742	fly_font_size = (int)(font_size + 14);
		3743	}
		3744	else
		3745	{
		3746	if(strcmp(fly_font,"large") == 0){
		3747	fly_font_size = (int)(font_size + 6);
		3748	}
		3749	else
		3750	{
		3751	if(strcmp(fly_font,"small") == 0){
		3752	fly_font_size = (int)(font_size - 4);
		3753	if(fly_font_size<0){fly_font_size = 8;}
		3754	}
		3755	}
		3756	}
		3757	}
		3758	break;
		3759	case 4:
9289	schaersvoo	3760	decimals = find_number_of_digits(precision);
11806	schaersvoo	3761	temp = get_string_argument(infile,1);
		3762	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\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);
9289	schaersvoo	3763	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11806	schaersvoo	3764	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\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);
9289	schaersvoo	3765	add_to_buffer(tmp_buffer);
		3766	break;
11806	schaersvoo	3767	default:break;
		3768	}
		3769	}
		3770	reset();
		3771	break;
		3772
		3773
		3774	case TRACE_JSCURVE:
		3775	/*
		3776	@ trace_jscurve some_math_function
		3777	@ will use a crosshair to trace the jsmath curve
		3778	@ two inputfields will display the current x/y-values (numerical evaluation by javascript)
		3779	@ default labels 'x' and 'y'<br />use commands 'xlabel some_x_axis_name' and 'ylabel some_y_axis_name' to customize the labels for the input fields
		3780	@ use commands fontsize and inputstyle to format the fonts for labels and inputfields.
		3781	@ use commands linewidth,strokecolor,crosshairsize to adjust the corsshair.
		3782	@ 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...
		3783	@ be aware that the formula's of the plotted function(s) can be found in the page javascript source
		3784	*/
		3785	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		3786	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		3787	if( use_js_math == FALSE){
		3788	add_to_js_math(js_include_file);
		3789	use_js_math = TRUE;
		3790	}
		3791	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);
		3792	break;
		3793
		3794
		3795	case TRANGE:
		3796	/*
		3797	@ trange tmin,tmax
		3798	@ alternative : ranget
		3799	@ default -2,2
		3800	*/
		3801	use_parametric = TRUE;
		3802	for(i = 0 ; i<2; i++){
		3803	switch(i){
		3804	case 0: tmin = get_real(infile,0);break;
		3805	case 1: tmax = get_real(infile,1);break;
9289	schaersvoo	3806	default: break;
		3807	}
		3808	}
11806	schaersvoo	3809	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
9289	schaersvoo	3810	break;
11806	schaersvoo	3811	case TRANSLATION:
		3812	/*
		3813	@ translation tx,ty
		3814	@ alternative : translate
		3815	@ will translate the next objects tx in xrange and ty in yrange
		3816	@ use command 'killtranstation' to end the command
		3817	*/
		3818	for(i = 0 ; i<2;i++){
		3819	switch(i){
		3820	case 0: double_data[0] = get_real(infile,0);break;
		3821	case 1: double_data[1] = get_real(infile,1);
		3822	use_affine = TRUE;
		3823	decimals = find_number_of_digits(precision);
		3824	string_length = snprintf(NULL,0, "[1,0,0,1,%.f,%.f] ",decimals,double_data[0]xsize/(xmax - xmin),decimals,-1double_data[1]*ysize/(ymax - ymin));
		3825	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		3826	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));
		3827	break;
		3828	default: break;
		3829	}
		3830	}
		3831	break;
		3832
		3833	case TRIANGLE:
		3834	/*
		3835	@ triangle x1,y1,x2,y2,x3,y3,color
		3836	@ use ftriangle or keyword <a href='#filled'>'filled'</a> for a solid triangle
		3837	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		3838	*/
		3839	for(i=0;i<7;i++){
		3840	switch(i){
		3841	case 0: double_data[0] = get_real(infile,0);break; /* x */
		3842	case 1: double_data[1] = get_real(infile,0);break; /* y */
		3843	case 2: double_data[2] = get_real(infile,0);break; /* x */
		3844	case 3: double_data[3] = get_real(infile,0);break; /* y */
		3845	case 4: double_data[4] = get_real(infile,0);break; /* x */
		3846	case 5: double_data[5] = get_real(infile,0);break; /* y */
		3847	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		3848	decimals = find_number_of_digits(precision);
		3849	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3850	if(onclick > 0){click_cnt++;}
		3851	/* click_cnt++;*/
		3852	reset();
		3853	break;
		3854	default: break;
		3855	}
		3856	}
		3857	break;
		3858	case TRIANGLES:
		3859	/*
		3860	@ triangles color,x1,y1,x2,y2,x3,y3,...
		3861	@ use ftriangles or keyword <a href='#filled'>'filled'</a> for solid triangles
		3862	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
		3863	*/
		3864	stroke_color = get_color(infile,0);/* name or hex color */
		3865	i = 0;
		3866	decimals = find_number_of_digits(precision);
		3867	while( ! done ){
		3868	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3869	double_data[0] = get_real(infile,0); /* x1 */
		3870	double_data[1] = get_real(infile,0); /* y1 */
		3871	double_data[2] = get_real(infile,0); /* x2 */
		3872	double_data[3] = get_real(infile,0); /* y2 */
		3873	double_data[4] = get_real(infile,0); /* x3 */
		3874	double_data[5] = get_real(infile,1); /* y3 */
		3875	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		3876	if(onclick > 0){click_cnt++;}
		3877	i = i + 6;
		3878	}
		3879	reset();
		3880	break;
		3881	case USERBOXPLOT:
		3882	/*
		3883	@ userboxplot
		3884	@ keyword, no arguments
		3885	@ use before command <a href="#boxplot">'boxplot x_or_y,box-height_or_box-width,x_or_y-position'</a>
		3886	@ if set, the student will have to calculate "min,Q1,median,Q3,max" and feed these data into the 'draw_boxplot' function
		3887	@ for example:<br />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 />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 />};<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)
		3888	*/
		3889	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		3890	fprintf(js_include_file,"var boxplot_source = 3;\n");
		3891	js_function[DRAW_JSBOXPLOT] = 2;
		3892	break;
		3893
		3894	case USERBOXPLOTDATA:
		3895	/*
		3896	@ userboxplotdata
		3897	@ keyword, no arguments
		3898	@ use before command <a href="#boxplot">'boxplot x_or_y,box-height_or_box-width,x_or_y-position'</a>
		3899	@ if set, the student will have to generate some statistical data. These data should be put in a named array "student_boxplot_data"
		3900	@ "min,Q1,median,Q3,max" are calculated by a js-function and the 'draw_boxplot' function will draw a boxplot.
		3901	@ see command <a href="#userboxplot">'userboxplot'</a> for calling 'draw_boxplot()'
		3902	*/
		3903	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		3904	fprintf(js_include_file,"var boxplot_source = 2;\n");
		3905	js_function[DRAW_JSBOXPLOT] = 1;
		3906
		3907	break;
		3908
7614	schaersvoo	3909	case USERDRAW:
		3910	/*
		3911	@ userdraw object_type,color
9213	schaersvoo	3912	@ only a single object_type is allowed.
9385	schaersvoo	3913	@ for multiple object user drawings use command <a href="#multidraw">'multidraw'</a>
11764	schaersvoo	3914	@ 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>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 a color<br />the click may be set <a href="#snaptogrid">'snaptogrid'</a><br />may be used together with command <a href="#floodfill">'floodfill'</a><br />multiple areas may be selected <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_cancas() 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)<br />command <a href='#multifillcolors'>multifillcolors color1,color2...color_n</a> can also be used 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</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>
11088	schaersvoo	3915	@ 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)
		3916	@ 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 non 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" ,
11080	schaersvoo	3917	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	3918	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
		3919	@ 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)
7614	schaersvoo	3920	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	3921	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	3922	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		3923	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
10953	bpr	3924	@ may be combined with keyword 'userinput_xy'
11088	schaersvoo	3925	@ 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...
7614	schaersvoo	3926	*/
		3927	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
9213	schaersvoo	3928	canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");
7614	schaersvoo	3929	}
8074	schaersvoo	3930	reply_precision = precision;
7614	schaersvoo	3931	use_userdraw = TRUE;
11041	schaersvoo	3932	fprintf(js_include_file,"\n<!-- begin userdraw mouse events -->\nuserdraw_x = new Array();userdraw_y = new Array();\
		3933	userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);\
11001	schaersvoo	3934	var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;\
		3935	if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};\
		3936	if(wims_status != \"done\"){\
11006	schaersvoo	3937	canvas_div.addEventListener(\"mousedown\" ,user_draw,false);\
		3938	canvas_div.addEventListener(\"mousemove\" ,user_drag,false);\
		3939	canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);\
		3940	canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();user_drag(e.changedTouches[0]);},false);\
		3941	canvas_div.addEventListener(\"touchend\" ,function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);\
11001	schaersvoo	3942	}\n<!-- end userdraw mouse & touch events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614	schaersvoo	3943	draw_type = get_string_argument(infile,0);
		3944	stroke_color = get_color(infile,1);
		3945	if( strcmp(draw_type,"point") == 0 ){
		3946	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	3947	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	3948	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	3949	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3950	if(use_input_xy == 1){
7652	schaersvoo	3951	add_input_circle(js_include_file,1,1);
8815	schaersvoo	3952	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3953	}
7614	schaersvoo	3954	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);
		3955	}
		3956	else
		3957	if( strcmp(draw_type,"points") == 0 ){
		3958	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	3959	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	3960	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	3961	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3962	if(use_input_xy == 1){
7652	schaersvoo	3963	add_input_circle(js_include_file,1,2);
8815	schaersvoo	3964	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3965	}
7614	schaersvoo	3966	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);
		3967	}
		3968	else
		3969	if( strcmp(draw_type,"segment") == 0 ){
		3970	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		3971	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	3972	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	3973	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3974	if(use_input_xy == 1){
7652	schaersvoo	3975	add_input_segment(js_include_file,1);
8815	schaersvoo	3976	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3977	}
7614	schaersvoo	3978	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		3979	}
		3980	else
10975	schaersvoo	3981	if( strcmp(draw_type,"polyline") == 0 \|\| strcmp(draw_type,"brokenline") == 0 ){
7663	schaersvoo	3982	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	3983	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	3984	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	3985	if( use_input_xy == 1 ){
		3986	add_input_polyline(js_include_file);
8815	schaersvoo	3987	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7663	schaersvoo	3988	}
		3989	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		3990	}
		3991	else
7614	schaersvoo	3992	if( strcmp(draw_type,"segments") == 0 ){
		3993	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		3994	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	3995	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	3996	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3997	if(use_input_xy == 1){
7652	schaersvoo	3998	add_input_segment(js_include_file,2);
8815	schaersvoo	3999	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4000	}
7614	schaersvoo	4001	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4002	}
		4003	else
		4004	if( strcmp(draw_type,"circle") == 0 ){
		4005	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4006	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	4007	/* 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	4008	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4009	if(use_input_xy == 1){
7652	schaersvoo	4010	add_input_circle(js_include_file,2,1);
8815	schaersvoo	4011	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4012	}
7614	schaersvoo	4013	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]);
		4014	}
		4015	else
		4016	if( strcmp(draw_type,"circles") == 0 ){
		4017	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4018	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	4019	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		4020	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]);
8071	schaersvoo	4021	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4022	if(use_input_xy == 1){
7652	schaersvoo	4023	add_input_circle(js_include_file,2,2);
8815	schaersvoo	4024	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4025	}
7614	schaersvoo	4026	}
		4027	else
		4028	if(strcmp(draw_type,"crosshair") == 0 ){
		4029	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4030	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4031	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		4032	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	4033	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4034	if(use_input_xy == 1){
7654	schaersvoo	4035	add_input_crosshair(js_include_file,1);
8815	schaersvoo	4036	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4037	}
7614	schaersvoo	4038	}
		4039	else
		4040	if(strcmp(draw_type,"crosshairs") == 0 ){
		4041	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4042	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4043	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		4044	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	4045	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4046	if(use_input_xy == 1){
7654	schaersvoo	4047	add_input_crosshair(js_include_file,2);
8815	schaersvoo	4048	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4049	}
7614	schaersvoo	4050	}
		4051	else
		4052	if(strcmp(draw_type,"freehandline") == 0 ){
		4053	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4054	if(reply_format == 0){reply_format = 6;}
8224	bpr	4055	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]);
7652	schaersvoo	4056	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4057	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4058	}
		4059	else
		4060	if(strcmp(draw_type,"freehandlines") == 0 ){
		4061	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4062	if(reply_format == 0){reply_format = 6;}
8224	bpr	4063	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]);
7652	schaersvoo	4064	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4065	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4066	}
		4067	else
		4068	if(strcmp(draw_type,"path") == 0 ){
		4069	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4070	if(reply_format == 0){reply_format = 6;}
8224	bpr	4071	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]);
7652	schaersvoo	4072	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4073	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4074	}
		4075	else
		4076	if(strcmp(draw_type,"paths") == 0 ){
		4077	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4078	if(reply_format == 0){reply_format = 6;}
8224	bpr	4079	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]);
7652	schaersvoo	4080	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4081	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4082	}
		4083	else
		4084	if(strcmp(draw_type,"arrows") == 0 ){
		4085	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4086	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4087	add_js_arrows(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	4088	if(use_input_xy == 1){
7654	schaersvoo	4089	add_input_arrow(js_include_file,2);
8815	schaersvoo	4090	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4091	}
8071	schaersvoo	4092	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4093	}
		4094	else
7874	schaersvoo	4095	if(strcmp(draw_type,"arrows2") == 0 ){
		4096	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4097	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4098	add_js_arrows(js_include_file,2,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	4099	if(use_input_xy == 1){
7874	schaersvoo	4100	add_input_arrow(js_include_file,1);
8815	schaersvoo	4101	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4102	}
8071	schaersvoo	4103	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4104	}
		4105	else
		4106	if(strcmp(draw_type,"arrow2") == 0 ){
		4107	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4108	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4109	add_js_arrows(js_include_file,1,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	4110	if(use_input_xy == 1){
7874	schaersvoo	4111	add_input_arrow(js_include_file,1);
8815	schaersvoo	4112	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4113	}
8071	schaersvoo	4114	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4115	}
		4116	else
7614	schaersvoo	4117	if(strcmp(draw_type,"arrow") == 0 ){
		4118	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4119	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4120	add_js_arrows(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	4121	if(use_input_xy == 1){
7654	schaersvoo	4122	add_input_arrow(js_include_file,1);
8815	schaersvoo	4123	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4124	}
8071	schaersvoo	4125	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4126	}
		4127	else
		4128	if(strcmp(draw_type,"polygon") == 0){
		4129	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4130	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4131	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]);
8071	schaersvoo	4132	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4133	if(use_input_xy == 2){
7780	schaersvoo	4134	add_textarea_polygon(js_include_file);
8815	schaersvoo	4135	add_textarea_xy(js_include_file,canvas_root_id,input_style);
7746	schaersvoo	4136	}
7614	schaersvoo	4137	}
8224	bpr	4138	else
7614	schaersvoo	4139	if(strncmp(draw_type,"poly",4) == 0){
		4140	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		4141	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4142	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4143	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]);
7652	schaersvoo	4144	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4145	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4146	}
8224	bpr	4147	else
7614	schaersvoo	4148	if(strcmp(draw_type,"triangle") == 0){
		4149	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4150	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4151	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]);
7652	schaersvoo	4152	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4153	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4154	}
8224	bpr	4155	else
7989	schaersvoo	4156	if( strcmp(draw_type,"hline") == 0 ){
		4157	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4158	if(reply_format == 0){reply_format = 11;}
		4159	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4160	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4161	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4162	}
		4163	else
		4164	if( strcmp(draw_type,"hlines") == 0 ){
		4165	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4166	if(reply_format == 0){reply_format = 11;}
		4167	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4168	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4169	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4170	}
		4171	else
		4172	if( strcmp(draw_type,"vline") == 0 ){
		4173	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4174	if(reply_format == 0){reply_format = 11;}
		4175	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4176	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4177	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4178	}
		4179	else
		4180	if( strcmp(draw_type,"vlines") == 0 ){
		4181	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4182	if(reply_format == 0){reply_format = 11;}
		4183	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4184	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4185	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4186	}
		4187	else
7614	schaersvoo	4188	if( strcmp(draw_type,"line") == 0 ){
		4189	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4190	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4191	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	4192	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	4193	if( use_input_xy == 1 ){
7780	schaersvoo	4194	add_input_line(js_include_file,1);
8815	schaersvoo	4195	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7747	schaersvoo	4196	}
8071	schaersvoo	4197	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4198	}
		4199	else
		4200	if( strcmp(draw_type,"lines") == 0 ){
		4201	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4202	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4203	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	4204	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	4205	if( use_input_xy == 1 ){
7780	schaersvoo	4206	add_input_line(js_include_file,2);
8815	schaersvoo	4207	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7746	schaersvoo	4208	}
8071	schaersvoo	4209	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4210	}
		4211	else
8362	schaersvoo	4212	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"halflines") == 0 ){
8244	schaersvoo	4213	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4214	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4215	if(reply_format == 0){reply_format = 11;}
		4216	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4217	if( use_input_xy == 1 ){
		4218	add_input_demiline(js_include_file,2);
8815	schaersvoo	4219	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4220	}
		4221	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4222	}
		4223	else
8362	schaersvoo	4224	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"halfline") == 0 ){
8244	schaersvoo	4225	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4226	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4227	if(reply_format == 0){reply_format = 11;}
		4228	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4229	if( use_input_xy == 1 ){
		4230	add_input_demiline(js_include_file,1);
8815	schaersvoo	4231	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4232	}
		4233	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4234	}
		4235	else
7614	schaersvoo	4236	if( strcmp(draw_type,"rects") == 0){
		4237	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	4238	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4239	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]);
7652	schaersvoo	4240	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4241	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4242	}
8224	bpr	4243	else
7614	schaersvoo	4244	if( strcmp(draw_type,"roundrects") == 0){
		4245	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	4246	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4247	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]);
7652	schaersvoo	4248	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4249	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4250	}
8224	bpr	4251	else
7614	schaersvoo	4252	if( strcmp(draw_type,"rect") == 0){
		4253	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	4254	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4255	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]);
7652	schaersvoo	4256	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4257	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4258	}
8224	bpr	4259	else
7614	schaersvoo	4260	if( strcmp(draw_type,"roundrect") == 0){
		4261	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	4262	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4263	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]);
7652	schaersvoo	4264	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4265	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4266	}
		4267	else
8083	schaersvoo	4268	if( strcmp(draw_type,"arcs") == 0){
		4269	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		4270	if(reply_format == 0){reply_format = 25;}
		4271	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]);
		4272	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4273	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4274	}
		4275	else
8071	schaersvoo	4276	if( strcmp(draw_type,"arc") == 0){
		4277	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
11017	schaersvoo	4278	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1;}
8083	schaersvoo	4279	if(reply_format == 0){reply_format = 25;}
		4280	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]);
8071	schaersvoo	4281	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4282	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4283	}
		4284	else
7614	schaersvoo	4285	if( strcmp(draw_type,"text") == 0){
7876	schaersvoo	4286	if(reply_format == 0){reply_format = 17;}
11084	schaersvoo	4287	add_js_text(js_include_file,canvas_root_id,font_size,font_family,stroke_color,stroke_opacity);
7652	schaersvoo	4288	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4289	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4290	}
8116	schaersvoo	4291	else
		4292	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	4293	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	4294	if(reply_format == 0){reply_format = 27;}
11803	schaersvoo	4295	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width,use_offset);
8116	schaersvoo	4296	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4297	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4298	}
		4299	else
		4300	if( strcmp(draw_type,"input") == 0){
8224	bpr	4301	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	4302	if(reply_format == 0){reply_format = 27;}
11803	schaersvoo	4303	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width,use_offset);
8116	schaersvoo	4304	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4305	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4306	}
8193	schaersvoo	4307	else
11005	schaersvoo	4308	if( strcmp(draw_type,"clickfill") == 0){
		4309	decimals = find_number_of_digits(precision);
		4310	if(reply_format == 0){reply_format = 22;}
		4311	add_js_clickfill(js_include_file,canvas_root_id,stroke_color,(int) (fill_opacity/0.0039215));
		4312	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		4313	js_function[DRAW_FILLTOBORDER] = 1;
11006	schaersvoo	4314	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
11005	schaersvoo	4315	}
		4316	}
		4317	else
7614	schaersvoo	4318	{
		4319	canvas_error("unknown drawtype or typo? ");
		4320	}
		4321	reset();
		4322	break;
8386	schaersvoo	4323
		4324	case USERINPUT:
		4325	/*
		4326	@ userinput function \| textarea \| inputfield
9382	schaersvoo	4327	@ alternative : userinput_function
		4328	@ alternative : userinput_textarea
		4329	@ alternative : userinput_xy
8386	schaersvoo	4330	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		4331	@ function may be used any time (e.g. without userdraw)
8815	schaersvoo	4332	@ multiple 'userinput function' commands may be used.
8386	schaersvoo	4333	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		4334	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
8815	schaersvoo	4335	@ use command 'inputstyle some_css' to adjust the inputfields
		4336	@ use command 'fontsize int' to adjust the label fonts. (default 12px)
		4337	@ 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
8386	schaersvoo	4338	*/
		4339	temp = get_string_argument(infile,1);
		4340	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
		4341	if( js_function[DRAW_JSFUNCTION] != 1 ){
		4342	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
		4343	js_function[DRAW_JSFUNCTION] = 1;
		4344	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	4345	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	4346	input_cnt++;
		4347	}
10953	bpr	4348	else
8386	schaersvoo	4349	{
		4350	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
8815	schaersvoo	4351	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	4352	input_cnt++;
		4353	}
		4354	if( use_js_math == FALSE){/* add this stuff only once...*/
		4355	add_to_js_math(js_include_file);
		4356	use_js_math = TRUE;
		4357	}
		4358	if( use_js_plot == FALSE){
		4359	use_js_plot = TRUE;
		4360	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		4361	}
		4362	}
		4363	else
		4364	{
		4365	if(strstr(temp,"inputfield") != 0 ){
		4366	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		4367	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4368	use_input_xy = 1;
		4369	}
		4370	else
		4371	{
		4372	if(strstr(temp,"textarea") != 0 ){
		4373	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		4374	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4375	use_input_xy = 2;
		4376	}
		4377	else
		4378	{
		4379	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		4380	}
		4381	}
		4382	}
		4383	break;
		4384	case USERINPUT_XY:
		4385	/*
		4386	@ userinput_xy
9372	schaersvoo	4387	@ keyword (no arguments required)
8386	schaersvoo	4388	@ to be used in combination with command "userdraw object_type,color"
		4389	@ 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)
		4390	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		4391	@ 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.
11088	schaersvoo	4392	@ can <b>not</b> be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8386	schaersvoo	4393	@ user drawings will not zoom on zooming (or pan on panning)
8815	schaersvoo	4394	@ use command 'inputstyle some_css' to adjust the inputarea.
		4395	@ use command 'fontsize int' to adjust the text labels (if needed)
8386	schaersvoo	4396	*/
		4397	/* add simple eval check to avoid code injection with unprotected eval(string) */
		4398	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		4399	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4400	use_input_xy = 1;
		4401	break;
		4402
		4403	case USERINPUT_FUNCTION:
		4404	/*
		4405	@ userinput_function
9372	schaersvoo	4406	@ keyword (no arguments required)
8386	schaersvoo	4407	@ if set , a inputfield will be added to the page
		4408	@ repeat keyword for more function input fields
		4409	@ the userinput value will be plotted in the canvas
10953	bpr	4410	@ this value may be read with 'read_canvas()'. <br />for do it yourself js-scripters : If this is the first inputfield in the script, its id is canvas_input0
8386	schaersvoo	4411	@ 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
8815	schaersvoo	4412	@ fontsize can be set using command 'fontsize int'
8386	schaersvoo	4413	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		4414	*/
		4415	if( js_function[DRAW_JSFUNCTION] != 1 ){
		4416	js_function[DRAW_JSFUNCTION] = 1;
		4417	add_rawmath(js_include_file);
		4418	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	4419	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	4420	input_cnt++;
		4421	}
10953	bpr	4422	else
8386	schaersvoo	4423	{
		4424	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
8815	schaersvoo	4425	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	4426	input_cnt++;
		4427	}
		4428	if( use_js_math == FALSE){/* add this stuff only once...*/
		4429	add_to_js_math(js_include_file);
		4430	use_js_math = TRUE;
		4431	}
		4432	if( use_js_plot == FALSE){
		4433	use_js_plot = TRUE;
		4434	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		4435	}
		4436	break;
		4437
		4438
		4439
11806	schaersvoo	4440	case USERTEXTAREA_XY:
7788	schaersvoo	4441	/*
11806	schaersvoo	4442	@ usertextarea_xy
		4443	@ keyword (no arguments required)
		4444	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
		4445	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
		4446	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		4447	@ user drawings will not zoom on zooming (or pan on panning)
		4448	@ use command 'inputstyle some_css' to adjust the inputarea.
		4449	@ use command 'fontsize int' to adjust the text labels (if needed)
7788	schaersvoo	4450	*/
11806	schaersvoo	4451	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		4452	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4453	use_input_xy = 2;
7788	schaersvoo	4454	break;
8386	schaersvoo	4455
11806	schaersvoo	4456	case VLINE:
8386	schaersvoo	4457	/*
11806	schaersvoo	4458	@ vline x,y,color
		4459	@ alternative : verticalline
		4460	@ draw a vertical line through point (x:y) in color 'color'
		4461	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8386	schaersvoo	4462	*/
11806	schaersvoo	4463	for(i=0;i<3;i++) {
7614	schaersvoo	4464	switch(i){
11806	schaersvoo	4465	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		4466	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		4467	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		4468	double_data[2] = double_data[0];
7614	schaersvoo	4469	decimals = find_number_of_digits(precision);
11806	schaersvoo	4470	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		4471	if(onclick > 0){click_cnt++;}
		4472	/* click_cnt++; */
8379	schaersvoo	4473	reset();
7614	schaersvoo	4474	break;
		4475	}
		4476	}
		4477	break;
		4478
11806	schaersvoo	4479	case VLINES:
11802	schaersvoo	4480	/*
11806	schaersvoo	4481	@ vlines color,x1,y1,x2,y2....
		4482	@ alternative : verticallines
		4483	@ draw vertical lines through points (x1:y1),(x2:y2)... in color 'color'
		4484	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
11802	schaersvoo	4485	*/
11806	schaersvoo	4486	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4487	fill_color = stroke_color;
		4488	i=0;
		4489	while( ! done ){ /* get next item until EOL*/
		4490	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4491	if(i%2 == 0 ){
		4492	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	4493	}
11806	schaersvoo	4494	else
		4495	{
		4496	double_data[i] = get_real(infile,1); /* y */
7983	schaersvoo	4497	}
11806	schaersvoo	4498	i++;
7983	schaersvoo	4499	}
11806	schaersvoo	4500	decimals = find_number_of_digits(precision);
		4501	for(c = 0 ; c < i-1 ; c = c+2){
		4502	fprintf(js_include_file,"dragstuff.addShape(new Shape(%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,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		4503	if(onclick > 0){click_cnt++;}
		4504	/* click_cnt++; */
		4505	}
		4506	reset();
7983	schaersvoo	4507	break;
11806	schaersvoo	4508
		4509
		4510	case VIDEO:
7614	schaersvoo	4511	/*
11806	schaersvoo	4512	@ video x,y,w,h,videofile location
		4513	@ x,y : left top corner of audio element (in xrange / yrange)
		4514	@ w,y : width and height in pixels
		4515	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		4516	@ video format may be in *.mp4 (todo:other formats)
7614	schaersvoo	4517	*/
11806	schaersvoo	4518	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
7614	schaersvoo	4519	for(i=0;i<5;i++){
		4520	switch(i){
11806	schaersvoo	4521	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		4522	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		4523	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		4524	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		4525	case 4: temp = get_string(infile,1);
		4526	string_length = 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);
7614	schaersvoo	4527	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11806	schaersvoo	4528	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	4529	add_to_buffer(tmp_buffer);
		4530	break;
		4531	default:break;
		4532	}
		4533	}
		4534	reset();
		4535	break;
11806	schaersvoo	4536
7614	schaersvoo	4537	case X_AXIS_STRINGS:
		4538	/*
		4539	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9385	schaersvoo	4540	@ alternative : xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9346	schaersvoo	4541	@ use these x-axis num1...num_n values instead of default xmin...xmax
11044	schaersvoo	4542	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4543	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
11088	schaersvoo	4544	@ 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	4545	@ a javascript error message will flag non-matching value:name pairs
9341	schaersvoo	4546	@ if the 'x-axis words' are too big and will overlap, a simple alternating offset will be applied
11044	schaersvoo	4547	@ to be used before command grid (see <a href="#grid">command grid</a>)
7614	schaersvoo	4548	@ example:<br />size 400,400<br />xrange 0,13<br />yrange -100,500<br />axis<br />xaxis 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december<br />#'xmajor' steps should be synchronised with numbers eg. "1" in this example<br />grid 1,100,grey,1,4,6,grey
		4549	*/
		4550	temp = get_string(infile,1);
		4551	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4552	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4553	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		4554	use_axis_numbering = 1;
		4555	break;
9341	schaersvoo	4556	case X_AXIS_STRINGS_UP:
		4557	/*
		4558	@ xaxisup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9385	schaersvoo	4559	@ alternative : xaxistextup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9341	schaersvoo	4560	@ the text will be rotated 90° up
11044	schaersvoo	4561	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4562	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
9346	schaersvoo	4563	@ use these x-axis num1...num_n values instead of default xmin...xmax
11088	schaersvoo	4564	@ 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	4565	@ a javascript error message will flag non-matching value:name pairs
9341	schaersvoo	4566	@ 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	4567	@ to be used before command grid (see <a href="#grid">command grid</a>)
9341	schaersvoo	4568	@ example:<br />size 400,400<br />xrange 0,13<br />yrange -100,500<br />axis<br />xaxisup 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december<br />#'xmajor' steps should be synchronised with numbers eg. "1" in this example<br />grid 1,100,grey,1,4,6,grey
		4569	*/
		4570	temp = get_string(infile,1);
		4571	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4572	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4573	fprintf(js_include_file,"x_strings_up = 1;x_strings = [\"%s\"];\n ",temp);
		4574	use_axis_numbering = 1;
		4575	break;
8224	bpr	4576
11806	schaersvoo	4577	case XERRORBARS:
7614	schaersvoo	4578	/*
11806	schaersvoo	4579	@ xerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		4580	@ 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'
		4581	@ the errors E1 and E2 values are in xrange.
		4582	@ use command 'linewidth int' to adust size
		4583	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
7614	schaersvoo	4584	*/
11806	schaersvoo	4585	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4586	fill_color = stroke_color;
		4587	i=0;
		4588	while( ! done ){ /* get next item until EOL*/
		4589	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4590	if(i%2 == 0 ){
		4591	double_data[i] = get_real(infile,0); /* x */
8071	schaersvoo	4592	}
11806	schaersvoo	4593	else
		4594	{
		4595	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	4596	}
11806	schaersvoo	4597	i++;
7614	schaersvoo	4598	}
11806	schaersvoo	4599	decimals = find_number_of_digits(precision);
		4600	for(c = 2 ; c < i-1 ; c = c+2){
		4601	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,20,[%.f],[%.f],[%.2f],[%.2f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		4602	/* click_cnt++; */
		4603	if(onclick > 0){click_cnt++;}
		4604	}
7614	schaersvoo	4605	reset();
		4606	break;
11806	schaersvoo	4607
		4608	case XRANGE:
7614	schaersvoo	4609	/*
11806	schaersvoo	4610	@ xrange xmin,xmax
		4611	@ alternative : rangex
		4612	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	4613	*/
11806	schaersvoo	4614	for(i = 0 ; i<2; i++){
7614	schaersvoo	4615	switch(i){
11806	schaersvoo	4616	case 0: xmin = get_real(infile,0);break;
		4617	case 1: xmax = get_real(infile,1);break;
7614	schaersvoo	4618	default: break;
		4619	}
		4620	}
11806	schaersvoo	4621	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		4622	fprintf(js_include_file,"var xmin = %f;var xmax = %f;\n",xmin,xmax);
		4623	found_size_command++;
7614	schaersvoo	4624	break;
8386	schaersvoo	4625
		4626
		4627
11806	schaersvoo	4628	case XSNAPTOGRID:
7614	schaersvoo	4629	/*
11806	schaersvoo	4630	@ xsnaptogrid
		4631	@ keyword (no arguments required)
		4632	@ a draggable object (use command "drag x\|y\|xy") will snap to the given x-grid values when dragged (mouseup)
		4633	@ in case of userdraw the drawn points will snap to xmajor grid
		4634	@ if no grid is defined ,points will snap to every integer xrange value. (eg snap_x=1)
		4635	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		4636	@ 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 />xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<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 />
7614	schaersvoo	4637	*/
11806	schaersvoo	4638	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
		4639	break;
8386	schaersvoo	4640
11806	schaersvoo	4641	case XOFFSET:
7614	schaersvoo	4642	/*
11806	schaersvoo	4643	@ xoffset \| centered
		4644	@ keyword ; to place the text centered above the text coordinates(x:y) ...
		4645	@ may be used for points or other things requirering centered labels
		4646	@ 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	4647	*/
11806	schaersvoo	4648	use_offset = 1;
		4649	break;
8386	schaersvoo	4650
11806	schaersvoo	4651	case XYOFFSET:
7614	schaersvoo	4652	/*
11806	schaersvoo	4653	@ xyoffset
		4654	@ keyword ; to place the text (x:y) to (x+dx:y+dy)... dx/dy are dependent on fontsize/fontfamily
		4655	@ may be used for points or other things requirering labels
		4656	@ only active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-librariy
		4657	@ in case of inputfields the inputfield will be centered x and y on it's 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>
7614	schaersvoo	4658	*/
11806	schaersvoo	4659	use_offset = 2;
		4660	break;
8386	schaersvoo	4661
7996	schaersvoo	4662	case XUNIT:
		4663	/*
		4664	@ xunit some_unit_for_x-values
		4665	@ unicode allowed (no html code)
		4666	@ use together with command mousex
9372	schaersvoo	4667	@ will display the cursor x-coordinate in 'unit'
7996	schaersvoo	4668	*/
		4669	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		4670	break;
11806	schaersvoo	4671
		4672	case XLABEL:
7996	schaersvoo	4673	/*
11806	schaersvoo	4674	@ xlabel some_string
		4675	@ will be used to create a label for the x-axis (label is in quadrant I)
		4676	@ can only be used together with command 'grid'</a><br />not depending on keywords 'axis' and 'axisnumbering'
		4677	@ 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)
7996	schaersvoo	4678	*/
11806	schaersvoo	4679	temp = get_string(infile,1);
		4680	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7996	schaersvoo	4681	break;
8071	schaersvoo	4682
11806	schaersvoo	4683	case XLOGBASE:
7991	schaersvoo	4684	/*
11806	schaersvoo	4685	@ xlogbase number
		4686	@ sets the logbase number for the x-axis
		4687	@ default value 10
		4688	@ use together with commands xlogscale / xylogscale
7991	schaersvoo	4689	*/
11806	schaersvoo	4690	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7991	schaersvoo	4691	break;
		4692
11806	schaersvoo	4693	case XLOGSCALE:
7614	schaersvoo	4694	/*
11806	schaersvoo	4695	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		4696	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4697	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		4698	@ the linewidth is set using command 'linewidth int'
		4699	@ the opacity of major / minor grid lines is set by command <a href='#opacity'>'opacity</a>'
		4700	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
		4701	@ 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>
		4702	@ note: the complete canvas will be used for the 'log paper'
		4703	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4704	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4705	@ 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
		4706	@ note: in case of userdraw , the use of keyword <a href='#userinput_xy'>'userinput_xy'</a> may be handy !
		4707	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	4708	*/
11806	schaersvoo	4709	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4710	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		4711	for(i=0;i<4;i++){
7614	schaersvoo	4712	switch(i){
11806	schaersvoo	4713	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		4714	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		4715	case 2: stroke_color = get_color(infile,0); break;
		4716	case 3: fill_color = get_color(infile,1);
		4717	string_length = 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);
		4718	tmp_buffer = my_newmem(string_length+1);
		4719	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);
		4720	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		4721	add_to_buffer(tmp_buffer);
		4722	break;
7614	schaersvoo	4723	default:break;
		4724	}
		4725	}
		4726	break;
11806	schaersvoo	4727
		4728	case XYLOGSCALE:
7614	schaersvoo	4729	/*
11806	schaersvoo	4730	@ xylogscale majorcolor,minorcolor
		4731	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4732	@ the linewidth is set using command 'linewidth int'
		4733	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		4734	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
		4735	@ 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>
		4736	@ note: the complete canvas will be used for the 'log paper'
		4737	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4738	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4739	@ 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')
		4740	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		4741	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	4742	*/
11806	schaersvoo	4743	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4744	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		4745	for(i=0;i<2;i++){
7614	schaersvoo	4746	switch(i){
11806	schaersvoo	4747	case 0: stroke_color = get_color(infile,0); break;
		4748	case 1: fill_color = get_color(infile,1);
		4749	string_length = 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);
		4750	tmp_buffer = my_newmem(string_length+1);
		4751	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);
		4752	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		4753	add_to_buffer(tmp_buffer);
		4754	break;
7614	schaersvoo	4755	default:break;
		4756	}
		4757	}
		4758	break;
11806	schaersvoo	4759
		4760
		4761	case Y_AXIS_STRINGS:
7647	schaersvoo	4762	/*
11806	schaersvoo	4763	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		4764	@ alternativ : yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		4765	@ 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>)
		4766	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4767	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
		4768	@ use these y-axis num1...num_n values instead of default ymin...ymax
		4769	@ a javascript error message will flag non-matching value:name pairs
		4770	@ to be used before command grid (see <a href="#grid">command grid</a>)
		4771	@ example:<br />size 400,400<br />yrange 0,13<br />xrange -100,500<br />axis<br />yaxis 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december<br />#'ymajor' steps should be synchronised with numbers eg. "1" in this example<br />grid 100,1,grey,4,1,6,grey
7647	schaersvoo	4772	*/
11806	schaersvoo	4773	temp = get_string(infile,1);
		4774	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4775	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4776	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		4777	use_axis_numbering = 1;
		4778	break;
		4779
		4780
		4781	case YERRORBARS:
7614	schaersvoo	4782	/*
11806	schaersvoo	4783	@ yerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		4784	@ draw multiple points with y-errorbars E1 (error value under point) and E2 (error value above point) at given coordinates in color 'color'
		4785	@ the errors E1 and E2 values are in yrange.
		4786	@ use command 'linewidth int' to adust size
		4787	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
7614	schaersvoo	4788	*/
11806	schaersvoo	4789	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4790	fill_color = stroke_color;
11772	schaersvoo	4791	i=0;
		4792	while( ! done ){ /* get next item until EOL*/
		4793	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4794	if(i%2 == 0 ){
		4795	double_data[i] = get_real(infile,0); /* x */
		4796	}
		4797	else
		4798	{
		4799	double_data[i] = get_real(infile,1); /* y */
		4800	}
		4801	i++;
		4802	}
11806	schaersvoo	4803	for(c = 2 ; c < i-1 ; c = c+2){
		4804	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,19,[%.f],[%.f],[%.2f],[%.2f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d,%s,%d));\n",click_cnt,onclick,drag_type,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,slider,slider_cnt,rotation_center,use_offset);
		4805	/* click_cnt++; */
		4806	if(onclick > 0){click_cnt++;}
8083	schaersvoo	4807	}
11806	schaersvoo	4808	decimals = find_number_of_digits(precision);
8083	schaersvoo	4809	reset();
11806	schaersvoo	4810	break;
		4811
		4812	case YRANGE:
7614	schaersvoo	4813	/*
11806	schaersvoo	4814	@ yrange ymin,ymax
		4815	@ alternative : rangey
		4816	@ if not given 0,ysize (eg in pixels)
7614	schaersvoo	4817	*/
11806	schaersvoo	4818	for(i = 0 ; i<2; i++){
7614	schaersvoo	4819	switch(i){
11806	schaersvoo	4820	case 0: ymin = get_real(infile,0);break;
		4821	case 1: ymax = get_real(infile,1);break;
		4822	default: break;
7614	schaersvoo	4823	}
		4824	}
11806	schaersvoo	4825	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		4826	fprintf(js_include_file,"var ymin = %f;var ymax = %f;\n",ymin,ymax);
		4827	found_size_command++;
		4828	break;
		4829
		4830	case YSNAPTOGRID:
7614	schaersvoo	4831	/*
11806	schaersvoo	4832	@ ysnaptogrid
		4833	@ keyword (no arguments required)
		4834	@ a draggable object (use command "drag x\|y\|xy") will snap to the given y-grid values when dragged (mouseup)
		4835	@ in case of userdraw the drawn points will snap to ymajor grid
		4836	@ if no grid is defined ,points will snap to every integer yrange value. (eg snap_y=1)
		4837	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		4838	@ 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 />ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<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 />
7614	schaersvoo	4839	*/
11806	schaersvoo	4840	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7614	schaersvoo	4841	break;
11080	schaersvoo	4842
7614	schaersvoo	4843	case YLABEL:
		4844	/*
		4845	@ ylabel some_string
8224	bpr	4846	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
9379	schaersvoo	4847	@ can only be used together with command <a href="#grid">'grid'</a><br />not depending on keywords 'axis' and 'axisnumbering'
10953	bpr	4848	@ 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)
7614	schaersvoo	4849	*/
		4850	temp = get_string(infile,1);
7653	schaersvoo	4851	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	4852	break;
7735	schaersvoo	4853	case YLOGBASE:
		4854	/*
		4855	@ ylogbase number
		4856	@ sets the logbase number for the y-axis
		4857	@ default value 10
		4858	@ use together with commands ylogscale / xylogscale
		4859	*/
		4860	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		4861	break;
7614	schaersvoo	4862	case YLOGSCALE:
7729	schaersvoo	4863	/*
		4864	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		4865	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4866	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		4867	@ the linewidth is set using command 'linewidth int'
		4868	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	4869	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	4870	@ 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 colour</li></ul>
11088	schaersvoo	4871	@ note: the complete canvas will be used for the 'log paper'
		4872	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4873	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4874	@ 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')
		4875	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
9383	schaersvoo	4876	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	4877	*/
		4878	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4879	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		4880	for(i=0;i<4;i++){
		4881	switch(i){
		4882	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		4883	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		4884	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	4885	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	4886	string_length = 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);
7729	schaersvoo	4887	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	4888	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	4889	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	4890	add_to_buffer(tmp_buffer);
		4891	break;
		4892	default:break;
		4893	}
		4894	}
7614	schaersvoo	4895	break;
11806	schaersvoo	4896
		4897	case YUNIT:
7735	schaersvoo	4898	/*
11806	schaersvoo	4899	@ yunit some_unit_for_y-values
		4900	@ unicode allowed (no html code)
		4901	@ use together with command mousey
		4902	@ will display the cursor y-coordinate in 'unit'
7735	schaersvoo	4903	*/
11806	schaersvoo	4904	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		4905	break;
		4906
		4907	case ZOOM:
		4908	/*
		4909	@ zoom button_color
		4910	@ introduce a very small 'controlpanel' at the lower right corner
		4911	@ 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
		4912	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		4913	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
		4914	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		4915	@ note: use command 'zoom' at the end of your script code (the same is true for command 'mouse')
		4916	@ note: only objects that may be set draggable / clickable will be zoomed / panned
		4917	@ note: when an object is dragged, zooming / panning will cause the coordinates to be reset to the original position :( <br />e.g. dragging / panning will get lost. (array with 'drag data' is erased)<br />This is a design flaw and not a feature !!
		4918	*/
		4919	fprintf(js_include_file,"use_pan_and_zoom = 1;");
		4920	use_pan_and_zoom = TRUE;
		4921	stroke_color = get_color(infile,1);
		4922	/* we use BG_CANVAS (0) */
		4923	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
		4924	done = TRUE;
		4925	break;
		4926
		4927	/* ready */
7614	schaersvoo	4928	default:sync_input(infile);
		4929	break;
		4930	}
8224	bpr	4931	}
7614	schaersvoo	4932	/* we are done parsing script file */
7983	schaersvoo	4933	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		4934	if( found_size_command == 1 ){
		4935	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		4936	}
		4937	else
		4938	{
		4939	if( found_size_command != 3 ){
8222	schaersvoo	4940	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	4941	}
		4942	}
8257	schaersvoo	4943
8222	schaersvoo	4944	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
11021	schaersvoo	4945	add_javascript_function(js_function,canvas_root_id);
7614	schaersvoo	4946	/* add read_canvas() etc functions if needed */
8257	schaersvoo	4947	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	4948	if( use_pan_and_zoom == TRUE ){
		4949	/* in case of zooming ... */
7729	schaersvoo	4950	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	4951	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	4952	var ymin_start=ymin;var ymax_start=xmax;\
		4953	var zoom_x_increment=0;var zoom_y_increment=0;\
		4954	var pan_x_increment=0;var pan_y_increment=0;\
		4955	if(use_ylogscale == 0 ){\
7956	schaersvoo	4956	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	4957	}else{\
		4958	zoom_x_increment = (xmax - xmin)/20;\
		4959	pan_x_increment = (xmax - xmin)/20;\
		4960	};\
9406	schaersvoo	4961	var zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	4962	function start_canvas%d(type){\
9406	schaersvoo	4963	zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	4964	switch(type){\
7729	schaersvoo	4965	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		4966	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	4967	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		4968	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		4969	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		4970	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
11004	schaersvoo	4971	case 6:xmin = xmin_start; xmax = xmax_start;ymin = ymin_start;ymax = ymax_start;break;\
7653	schaersvoo	4972	default:break;\
		4973	};\
		4974	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		4975	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
9406	schaersvoo	4976	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){};\
11088	schaersvoo	4977	if(typeof(redraw_all%d) === 'function' ){redraw_all%d(zoom_xy);}\
9406	schaersvoo	4978	%s ;\
7653	schaersvoo	4979	};\
7797	schaersvoo	4980	start_canvas%d(333);\
9438	schaersvoo	4981	};\
		4982	\n<!-- end wims_canvas_function -->\n\
9406	schaersvoo	4983	wims_canvas_function%d();\n",precision,canvas_root_id,canvas_root_id,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7797	schaersvoo	4984	}
		4985	else
		4986	{
		4987	/* no zoom, just add buffer */
		4988	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		4989	%s\
		4990	};\n\
		4991	<!-- end wims_canvas_function -->\n\
		4992	wims_canvas_function%d();\n",buffer,canvas_root_id);
		4993	}
7614	schaersvoo	4994	/* done writing the javascript include file */
		4995	fclose(js_include_file);
		4996
		4997	}
		4998
		4999	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
9329	schaersvoo	5000	if( use_tooltip > 0 ){
		5001	if( use_tooltip == 1 ){
		5002	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		5003	}
		5004	else
		5005	{
		5006	if( use_tooltip == 2 ){
		5007	add_js_popup(canvas_root_id,xsize,ysize,getfile_cmd);
		5008	}
		5009	}
		5010	}
7614	schaersvoo	5011	exit(EXIT_SUCCESS);
		5012	}
		5013	/* end main() */
		5014
		5015	/******************************************************************************
		5016	**
		5017	** sync_input
		5018	**
		5019	** synchronises input line - reads to end of line, leaving file pointer
		5020	** at first character of next line.
		5021	**
		5022	** Used by:
		5023	** main program - error handling.
		5024	**
		5025	******************************************************************************/
		5026	void sync_input(FILE *infile)
		5027	{
		5028	int c = 0;
		5029
7658	schaersvoo	5030	if( c == '\n' \|\| c == ';' ) return;
		5031	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	5032	if( c == EOF ) finished = 1;
7658	schaersvoo	5033	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	5034	return;
		5035	}
		5036
		5037	/******************************************************************************/
		5038
		5039	char str_replace(const char str, const char old, const char new){
		5040	/* http://creativeandcritical.net/str-replace-c/ */
		5041	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		5042	char ret, r;
		5043	const char p, q;
		5044	size_t oldlen = strlen(old);
		5045	size_t count = 0;
		5046	size_t retlen = 0;
		5047	size_t newlen = strlen(new);
		5048	if (oldlen != newlen){
		5049	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		5050	count++;
		5051	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		5052	}
8224	bpr	5053	}
7614	schaersvoo	5054	else
		5055	{
		5056	retlen = strlen(str);
		5057	}
8224	bpr	5058
7614	schaersvoo	5059	if ((ret = malloc(retlen + 1)) == NULL){
		5060	ret = NULL;
		5061	canvas_error("string argument is NULL");
		5062	}
		5063	else
		5064	{
		5065	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		5066	size_t l = q - p;
		5067	memcpy(r, p, l);
		5068	r += l;
		5069	memcpy(r, new, newlen);
		5070	r += newlen;
		5071	}
		5072	strcpy(r, p);
		5073	}
		5074	return ret;
		5075	}
		5076
		5077	/******************************************************************************/
7848	bpr	5078
7614	schaersvoo	5079	char get_color(FILE infile , int last){
		5080	int c,i = 0,is_hex = 0;
		5081	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	5082	const char *not_allowed = "0123456789";
10891	schaersvoo	5083	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) && ( c != '\t' ) ){
7614	schaersvoo	5084	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		5085	if( c == '#' ){
		5086	is_hex = 1;
		5087	}
		5088	if( c != ' '){
8304	schaersvoo	5089	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	5090	temp[i]=tolower(c);
		5091	i++;
		5092	}
		5093	}
10891	schaersvoo	5094	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5095	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5096	if( c == EOF ){finished = 1;}
		5097	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		5098	temp[i]='\0';
		5099	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		5100	if( is_hex == 1 ){
		5101	char red[3], green[3], blue[3];
		5102	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		5103	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		5104	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		5105	int r = (int) strtol(red, NULL, 16);
		5106	int g = (int) strtol(green, NULL, 16);
		5107	int b = (int) strtol(blue, NULL, 16);
		5108	string = (char *)my_newmem(12);
		5109	snprintf(string,11,"%d,%d,%d",r,g,b);
		5110	return string;
		5111	}
		5112	else
		5113	{
		5114	string = (char *)my_newmem(sizeof(temp));
		5115	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	5116	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	5117	if( strcmp( colors[i].name , string ) == 0 ){
		5118	return colors[i].rgb;
		5119	}
		5120	}
8304	schaersvoo	5121	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	5122	}
8304	schaersvoo	5123	return "0,0,255";
7614	schaersvoo	5124	}
		5125
		5126	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		5127	int c,i=0;
		5128	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5129	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') ){
7614	schaersvoo	5130	temp[i]=c;
		5131	i++;
		5132	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		5133	}
10891	schaersvoo	5134	if( ( c == '\n' \|\| c == '\t' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		5135	if( c == '\n' \|\| c == '\t') { done = TRUE; line_number++; }
11022	schaersvoo	5136	if( c == EOF ) {finished = 1;}
7614	schaersvoo	5137	temp[i]='\0';
11022	schaersvoo	5138	if( strlen(temp) == 0 && last != 3 ){ canvas_error("expected a word or string, but found nothing !!");}
7614	schaersvoo	5139	string=(char *)my_newmem(strlen(temp));
		5140	snprintf(string,sizeof(temp),"%s",temp);
		5141	return string;
		5142	}
		5143
		5144	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		5145	int c,i=0;
		5146	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5147	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') && ( c != ',')){
7614	schaersvoo	5148	temp[i]=c;
		5149	i++;
		5150	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		5151	}
8224	bpr	5152	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
10891	schaersvoo	5153	if( c == '\n' \|\| c == '\t' ) { line_number++; }
7614	schaersvoo	5154	if( c == EOF ) {finished = 1;}
9478	schaersvoo	5155	if( finished == 1 && last == 0 ){ canvas_error("expected more arguments");}
7614	schaersvoo	5156	temp[i]='\0';
10953	bpr	5157	/*
8322	schaersvoo	5158	17.10.2014 removed (question Perrin)
		5159	may cause some unwanted effects...
7614	schaersvoo	5160	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
8322	schaersvoo	5161	*/
7614	schaersvoo	5162	string=(char *)my_newmem(sizeof(temp));
		5163	snprintf(string,sizeof(temp),"%s",temp);
		5164	done = TRUE;
		5165	return string;
		5166	}
		5167
		5168	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		5169	int c,i=0,found_calc = 0;
		5170	double y;
		5171	char tmp[MAX_INT];
10953	bpr	5172	/*
		5173	these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
8383	schaersvoo	5174	but there should be a better way to avoid segfaults !
8348	schaersvoo	5175	*/
		5176	const char allowed = "earcostanpilogqb+-/^()";/* assuming these are allowed stuff in a 'number'*/
		5177	const char not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/ avoid segmentation faults in a "atof()" and "wims eval" */
10891	schaersvoo	5178	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && (c != '\t') && ( c != ';')){
7614	schaersvoo	5179	if( c != ' ' ){
8224	bpr	5180	if( i == 0 && c == '+' ){
7614	schaersvoo	5181	continue;
8224	bpr	5182	}
7614	schaersvoo	5183	else
		5184	{
8304	schaersvoo	5185	c = tolower(c);
		5186	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		5187	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	5188	tmp[i] = c;
		5189	i++;
		5190	}
		5191	}
		5192	if( i > MAX_INT - 1){canvas_error("number too large");}
		5193	}
10891	schaersvoo	5194	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5195	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5196	if( c == EOF ){done = TRUE ; finished = 1;}
		5197	tmp[i]='\0';
		5198	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	5199	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	5200	void *f = eval_create(tmp);
7614	schaersvoo	5201	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	5202	y = eval_x(f, 1);
7614	schaersvoo	5203	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	5204	eval_destroy(f);
7614	schaersvoo	5205	}
		5206	else
		5207	{
		5208	y = atof(tmp);
		5209	}
		5210	return y;
		5211	}
8304	schaersvoo	5212
		5213
7614	schaersvoo	5214	void canvas_error(char *msg){
8383	schaersvoo	5215	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number,msg);
7614	schaersvoo	5216	finished = 1;
		5217	exit(EXIT_SUCCESS);
		5218	}
		5219
		5220
		5221	/* convert x/y coordinates to pixel */
		5222	int x2px(double x){
		5223	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		5224	}
		5225
		5226	int y2px(double y){
		5227	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		5228	}
		5229
		5230	double px2x(int x){
		5231	return (x*(xmax - xmin)/xsize + xmin);
		5232	}
		5233	double px2y(int y){
		5234	return (y*(ymax - ymin)/ysize + ymin);
		5235	}
		5236
		5237	void add_to_buffer(char *tmp){
		5238	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		5239	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		5240	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		5241	if( space_left > strlen(tmp)){
		5242	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		5243	}
		5244	else
		5245	{
		5246	canvas_error("buffer is too big\n");
		5247	}
		5248	tmp = NULL;free(tmp);
		5249	return;
		5250	}
		5251
		5252	void reset(){
		5253	if(use_filled == TRUE){use_filled = FALSE;}
		5254	if(use_dashed == TRUE){use_dashed = FALSE;}
		5255	if(use_rotate == TRUE){use_rotate = FALSE;}
8379	schaersvoo	5256	onclick = 0;
7614	schaersvoo	5257	}
		5258
		5259
		5260
		5261	/* What reply format in read_canvas();
		5262
		5263	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		5264	1 = x1,x2,x3,x4....x_n
		5265	y1,y2,y3,y4....y_n
		5266
		5267	x/y in pixels
		5268
		5269	2 = x1,x2,x3,x4....x_n
		5270	y1,y2,y3,y4....y_n
		5271	x/y in xrange / yrange coordinate system
		5272
		5273	3 = x1,x2,x3,x4....x_n
		5274	y1,y2,y3,y4....y_n
		5275	r1,r2,r3,r4....r_n
		5276
8224	bpr	5277	x/y in pixels
7614	schaersvoo	5278	r in pixels
		5279
		5280	4 = x1,x2,x3,x4....x_n
		5281	y1,y2,y3,y4....y_n
		5282	r1,r2,r3,r4....r_n
		5283
		5284	x/y in xrange / yrange coordinate system
		5285	r in pixels
		5286
		5287	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		5288	Ay1,Ay2,Ay3,Ay4....Ay_n
		5289	Bx1,Bx2,Bx3,Bx4....Bx_n
		5290	By1,By2,By3,By4....By_n
		5291	Cx1,Cx2,Cx3,Cx4....Cx_n
		5292	Cy1,Cy2,Cy3,Cy4....Cy_n
		5293	....
		5294	Zx1,Zx2,Zx3,Zx4....Zx_n
		5295	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	5296
7614	schaersvoo	5297	x/y in pixels
		5298
		5299	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		5300	Ay1,Ay2,Ay3,Ay4....Ay_n
		5301	Bx1,Bx2,Bx3,Bx4....Bx_n
		5302	By1,By2,By3,By4....By_n
		5303	Cx1,Cx2,Cx3,Cx4....Cx_n
		5304	Cy1,Cy2,Cy3,Cy4....Cy_n
		5305	....
		5306	Zx1,Zx2,Zx3,Zx4....Zx_n
		5307	Zy1,Zy2,Zy3,Zy4....Zy_n
		5308
		5309	x/y in xrange / yrange coordinate system
8224	bpr	5310
7614	schaersvoo	5311	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	5312
7614	schaersvoo	5313	x/y in pixels
		5314
		5315	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	5316
7614	schaersvoo	5317	x/y in xrange / yrange coordinate system
		5318
8224	bpr	5319	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	5320
		5321	x/y in pixels
		5322
8224	bpr	5323	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	5324
		5325	x/y in xrange / yrange coordinate system
		5326
		5327	11 = Ax1,Ay1,Ax2,Ay2
		5328	Bx1,By1,Bx2,By2
		5329	Cx1,Cy1,Cx2,Cy2
		5330	Dx1,Dy1,Dx2,Dy2
		5331	......
		5332	Zx1,Zy1,Zx2,Zy2
8224	bpr	5333
7614	schaersvoo	5334	x/y in xrange / yrange coordinate system
		5335
		5336	12 = Ax1,Ay1,Ax2,Ay2
		5337	Bx1,By1,Bx2,By2
		5338	Cx1,Cy1,Cx2,Cy2
		5339	Dx1,Dy1,Dx2,Dy2
		5340	......
		5341	Zx1,Zy1,Zx2,Zy2
8224	bpr	5342
7614	schaersvoo	5343	x/y in pixels
		5344
		5345	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		5346
		5347	x/y in xrange / yrange coordinate system
		5348	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		5349	x/y in pixels
		5350	15 = reply from inputfields,textareas
		5351	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	5352	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	5353
		5354	16 = read mathml inputfields only
		5355
11080	schaersvoo	5356	17 = read userdraw text only (x1,y1,text1\nx2,y2,text2..\n.x_n,y_n,text_n
7614	schaersvoo	5357	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		5358
		5359	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		5360	19 = return clicked object number (analogue to shape-library onclick)
		5361	20 = return x/y-data in x-range/y-range of all 'draggable' images
		5362	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		5363	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		5364	x/y in xrange / yrange coordinate system
8224	bpr	5365	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	5366	24 = read all inputfield values: even those set 'readonly'
8224	bpr	5367	25 = return all userdrawn arcs in degrees:
		5368	26 = return all userdrawn arcs in radians:
11080	schaersvoo	5369	27 = return (only) userdraw inputfields array: x1,y1,text1 \n x2,y2,text2...
8322	schaersvoo	5370	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
10953	bpr	5371	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
8322	schaersvoo	5372	'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'
		5373	will not return anything else (e.g. no inputfields , text etc)
10953	bpr	5374	29 = mulidraw read :
		5375
7614	schaersvoo	5376	*/
		5377
		5378
8257	schaersvoo	5379	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	5380	/* just 1 reply type allowed */
8074	schaersvoo	5381	fprintf(js_include_file,"\
		5382	\n<!-- begin set_reply_precision() -->\n\
		5383	function set_reply_precision(){\
		5384	var len = userdraw_x.length;\
		5385	var prec = %d;\
		5386	for(var p = 0 ; p < len ; p++ ){\
		5387	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		5388	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		5389	};\
		5390	len = userdraw_radius.length;\
		5391	if( len > 0 ){\
		5392	for(var p = 0 ; p < len ; p++ ){\
		5393	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		5394	};\
		5395	};\
		5396	};",reply_precision);
7963	schaersvoo	5397
7614	schaersvoo	5398	switch(type_reply){
8224	bpr	5399	/*
7614	schaersvoo	5400	answers may have:
		5401	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		5402	*/
		5403	case 1: fprintf(js_include_file,"\
8257	schaersvoo	5404	\n<!-- begin function 1 read_canvas%d() -->\n\
		5405	read_canvas%d = function(){\
7614	schaersvoo	5406	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5407	set_reply_precision();\
7614	schaersvoo	5408	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5409	var p = 0;var input_reply = new Array();\
		5410	if( document.getElementById(\"canvas_input0\")){\
		5411	var t = 0;\
		5412	while(document.getElementById(\"canvas_input\"+t)){\
		5413	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5414	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5415	p++;\
		5416	};\
		5417	t++;\
		5418	};\
		5419	};\
11088	schaersvoo	5420	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5421	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		5422	}\
		5423	else\
		5424	{\
		5425	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		5426	}\
		5427	}\
		5428	else\
		5429	{\
11088	schaersvoo	5430	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5431	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		5432	}\
		5433	else\
		5434	{\
		5435	return userdraw_x+\"\\n\"+userdraw_y;\
		5436	}\
		5437	};\
8108	schaersvoo	5438	};\n\
8257	schaersvoo	5439	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5440	break;
		5441	case 2: fprintf(js_include_file,"\
8257	schaersvoo	5442	\n<!-- begin function 2 read_canvas%d() -->\n\
		5443	read_canvas%d = function(){\
7614	schaersvoo	5444	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5445	set_reply_precision();\
7614	schaersvoo	5446	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	5447	var prec = %d;\
7614	schaersvoo	5448	while(userdraw_x[p]){\
8074	schaersvoo	5449	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		5450	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	5451	p++;\
		5452	};\
11806	schaersvoo	5453	if(p == 0){return;};\
7614	schaersvoo	5454	if( document.getElementById(\"canvas_input0\")){\
		5455	var p = 0;var input_reply = new Array();\
		5456	if( document.getElementById(\"canvas_input0\")){\
		5457	var t = 0;\
		5458	while(document.getElementById(\"canvas_input\"+t)){\
		5459	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5460	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5461	p++;\
		5462	};\
		5463	t++;\
		5464	};\
		5465	};\
11088	schaersvoo	5466	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5467	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5468	}\
		5469	else\
		5470	{\
		5471	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		5472	}\
		5473	}\
		5474	else\
		5475	{\
11088	schaersvoo	5476	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5477	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		5478	}\
		5479	else\
		5480	{\
		5481	return reply_x+\"\\n\"+reply_y;\
		5482	};\
		5483	};\
8108	schaersvoo	5484	};\n\
8257	schaersvoo	5485	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5486	break;
		5487	case 3: fprintf(js_include_file,"\
8257	schaersvoo	5488	\n<!-- begin function 3 read_canvas%d() -->\n\
		5489	read_canvas%d = function(){\
7614	schaersvoo	5490	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5491	set_reply_precision();\
7614	schaersvoo	5492	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5493	var p = 0;var input_reply = new Array();\
		5494	if( document.getElementById(\"canvas_input0\")){\
		5495	var t = 0;\
		5496	while(document.getElementById(\"canvas_input\"+t)){\
		5497	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5498	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5499	p++;\
		5500	};\
		5501	t++;\
		5502	};\
		5503	};\
11088	schaersvoo	5504	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5505	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5506	}\
		5507	else\
		5508	{\
		5509	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		5510	}\
		5511	}\
		5512	else\
		5513	{\
11088	schaersvoo	5514	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5515	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		5516	}\
		5517	else\
		5518	{\
		5519	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		5520	}\
		5521	}\
8108	schaersvoo	5522	};\n\
8257	schaersvoo	5523	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5524	break;
		5525	case 4: fprintf(js_include_file,"\
8257	schaersvoo	5526	\n<!-- begin function 4 read_canvas%d() -->\n\
		5527	read_canvas%d = function(){\
8074	schaersvoo	5528	var prec = %d;\
7614	schaersvoo	5529	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		5530	while(userdraw_x[p]){\
8074	schaersvoo	5531	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		5532	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	5533	p++;\
		5534	};\
11806	schaersvoo	5535	if(p == 0){return;};\
7614	schaersvoo	5536	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5537	var p = 0;var input_reply = new Array();\
		5538	if( document.getElementById(\"canvas_input0\")){\
		5539	var t = 0;\
		5540	while(document.getElementById(\"canvas_input\"+t)){\
		5541	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5542	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5543	p++;\
		5544	};\
		5545	t++;\
		5546	};\
		5547	};\
11088	schaersvoo	5548	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5549	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5550	}\
		5551	else\
		5552	{\
		5553	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		5554	}\
		5555	}\
		5556	else\
		5557	{\
11088	schaersvoo	5558	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5559	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		5560	}\
		5561	else\
		5562	{\
		5563	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		5564	}\
		5565	};\
8108	schaersvoo	5566	};\n\
8257	schaersvoo	5567	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5568	break;
8224	bpr	5569	/*
		5570	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		5571	used for userdraw multiple paths
7614	schaersvoo	5572	*/
		5573	case 5: fprintf(js_include_file,"\
8257	schaersvoo	5574	\n<!-- begin function 5 read_canvas%d() -->\n\
		5575	read_canvas%d = function(){\
8074	schaersvoo	5576	set_reply_precision();\
7614	schaersvoo	5577	var p = 0;\
		5578	var reply = \"\";\
		5579	for(p = 0; p < userdraw_x.length;p++){\
		5580	if(userdraw_x[p] != null ){\
		5581	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		5582	};\
		5583	};\
11806	schaersvoo	5584	if(p == 0){return;};\
7614	schaersvoo	5585	userdraw_x = [];userdraw_y = [];\
		5586	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5587	var p = 0;var input_reply = new Array();\
		5588	if( document.getElementById(\"canvas_input0\")){\
		5589	var t = 0;\
		5590	while(document.getElementById(\"canvas_input\"+t)){\
		5591	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5592	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5593	p++;\
		5594	};\
		5595	t++;\
		5596	};\
		5597	};\
11088	schaersvoo	5598	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5599	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5600	}\
		5601	else\
		5602	{\
		5603	return reply +\"\\n\"+input_reply;\
		5604	}\
		5605	}\
		5606	else\
		5607	{\
11088	schaersvoo	5608	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5609	return reply+\"\\n\"+userdraw_text;\
		5610	}\
		5611	else\
		5612	{\
		5613	return reply;\
		5614	}\
		5615	};\
8108	schaersvoo	5616	};\n\
8257	schaersvoo	5617	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5618	break;
8224	bpr	5619	/*
		5620	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		5621	used for userdraw multiple paths
7614	schaersvoo	5622	*/
		5623	case 6: fprintf(js_include_file,"\
8257	schaersvoo	5624	\n<!-- begin function 6 read_canvas%d() -->\n\
		5625	read_canvas%d = function(){\
7614	schaersvoo	5626	var p = 0;\
		5627	var reply = \"\";\
		5628	var tmp_x = new Array();\
		5629	var tmp_y = new Array();\
8074	schaersvoo	5630	var prec = %d;\
7614	schaersvoo	5631	for(p = 0 ; p < userdraw_x.length; p++){\
		5632	tmp_x = userdraw_x[p];\
		5633	tmp_y = userdraw_y[p];\
		5634	if(tmp_x != null){\
		5635	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	5636	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		5637	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	5638	};\
		5639	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		5640	};\
		5641	};\
11806	schaersvoo	5642	if(p == 0){return;};\
7614	schaersvoo	5643	userdraw_x = [];userdraw_y = [];\
		5644	if( document.getElementById(\"canvas_input0\") ){\
		5645	var p = 0;var input_reply = new Array();\
		5646	if( document.getElementById(\"canvas_input0\")){\
		5647	var t = 0;\
		5648	while(document.getElementById(\"canvas_input\"+t)){\
		5649	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5650	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5651	p++;\
		5652	};\
		5653	t++;\
		5654	};\
		5655	};\
11088	schaersvoo	5656	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5657	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5658	}\
		5659	else\
		5660	{\
		5661	return reply +\"\\n\"+input_reply;\
		5662	}\
		5663	}\
		5664	else\
		5665	{\
11088	schaersvoo	5666	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5667	return reply +\"\\n\"+userdraw_text;\
		5668	}\
		5669	else\
		5670	{\
		5671	return reply;\
		5672	}\
		5673	};\
8108	schaersvoo	5674	};\n\
8257	schaersvoo	5675	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5676	break;
		5677	case 7: fprintf(js_include_file,"\
8257	schaersvoo	5678	\n<!-- begin function 7 read_canvas%d() -->\n\
		5679	read_canvas%d = function(){\
8074	schaersvoo	5680	set_reply_precision();\
7614	schaersvoo	5681	var reply = new Array();\
		5682	var p = 0;\
		5683	while(userdraw_x[p]){\
		5684	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		5685	p++;\
		5686	};\
11806	schaersvoo	5687	if(p == 0){return;};\
7614	schaersvoo	5688	if( document.getElementById(\"canvas_input0\") ){\
		5689	var p = 0;var input_reply = new Array();\
		5690	if( document.getElementById(\"canvas_input0\")){\
		5691	var t = 0;\
		5692	while(document.getElementById(\"canvas_input\"+t)){\
		5693	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5694	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5695	p++;\
		5696	};\
		5697	t++;\
		5698	};\
		5699	};\
11088	schaersvoo	5700	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5701	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5702	}\
		5703	else\
		5704	{\
		5705	return reply+\"\\n\"+input_reply;\
		5706	}\
7862	schaersvoo	5707	}\
7614	schaersvoo	5708	else\
		5709	{\
11088	schaersvoo	5710	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5711	return reply+\"\\n\"+userdraw_text;\
		5712	}\
		5713	else\
		5714	{\
		5715	return reply;\
		5716	}\
		5717	};\
8108	schaersvoo	5718	};\n\
8257	schaersvoo	5719	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5720	break;
		5721	case 8: fprintf(js_include_file,"\
8257	schaersvoo	5722	\n<!-- begin function 8 read_canvas%d() -->\n\
		5723	read_canvas%d = function(){\
7614	schaersvoo	5724	var reply = new Array();\
		5725	var p = 0;\
8074	schaersvoo	5726	var prec = %d;\
7614	schaersvoo	5727	while(userdraw_x[p]){\
8074	schaersvoo	5728	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	5729	p++;\
		5730	};\
11806	schaersvoo	5731	if(p == 0){return;};\
7614	schaersvoo	5732	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5733	var p = 0;var input_reply = new Array();\
		5734	if( document.getElementById(\"canvas_input0\")){\
		5735	var t = 0;\
		5736	while(document.getElementById(\"canvas_input\"+t)){\
		5737	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5738	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5739	p++;\
		5740	};\
		5741	t++;\
		5742	};\
		5743	};\
11088	schaersvoo	5744	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5745	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5746	}\
		5747	else\
		5748	{\
		5749	return reply +\"\\n\"+input_reply;\
		5750	}\
		5751	}\
		5752	else\
		5753	{\
11088	schaersvoo	5754	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5755	return reply +\"\\n\"+userdraw_text;\
		5756	}\
		5757	else\
		5758	{\
		5759	return reply;\
		5760	}\
		5761	};\
8108	schaersvoo	5762	};\n\
8257	schaersvoo	5763	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5764	break;
		5765	case 9: fprintf(js_include_file,"\
8257	schaersvoo	5766	\n<!-- begin function 9 read_canvas%d() -->\n\
		5767	read_canvas%d = function(){\
8074	schaersvoo	5768	set_reply_precision();\
7614	schaersvoo	5769	var reply = new Array();\
		5770	var p = 0;\
		5771	while(userdraw_x[p]){\
		5772	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		5773	p++;\
		5774	};\
11806	schaersvoo	5775	if(p == 0){return;};\
7614	schaersvoo	5776	if( document.getElementById(\"canvas_input0\") ){\
		5777	var p = 0;var input_reply = new Array();\
		5778	if( document.getElementById(\"canvas_input0\")){\
		5779	var t = 0;\
		5780	while(document.getElementById(\"canvas_input\"+t)){\
		5781	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5782	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5783	p++;\
		5784	};\
		5785	t++;\
		5786	};\
		5787	};\
11088	schaersvoo	5788	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5789	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5790	}\
		5791	else\
		5792	{\
		5793	return reply +\"\\n\"+input_reply;\
		5794	}\
		5795	}\
		5796	else\
		5797	{\
11088	schaersvoo	5798	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5799	return reply +\"\\n\"+userdraw_text;\
		5800	}\
		5801	else\
		5802	{\
		5803	return reply;\
		5804	}\
		5805	};\
8108	schaersvoo	5806	};\n\
8257	schaersvoo	5807	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5808	break;
		5809	case 10: fprintf(js_include_file,"\
8257	schaersvoo	5810	\n<!-- begin function 10 read_canvas%d() -->\n\
		5811	read_canvas%d = function(){\
7614	schaersvoo	5812	var reply = new Array();\
		5813	var p = 0;\
8074	schaersvoo	5814	var prec = %d;\
7614	schaersvoo	5815	while(userdraw_x[p]){\
8074	schaersvoo	5816	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\":\" + (Math.round(prec*userdraw_radius[p]))/prec;\
7614	schaersvoo	5817	p++;\
		5818	};\
11806	schaersvoo	5819	if(p == 0){return;};\
7614	schaersvoo	5820	if( document.getElementById(\"canvas_input0\") ){\
		5821	var p = 0;var input_reply = new Array();\
		5822	if( document.getElementById(\"canvas_input0\")){\
		5823	var t = 0;\
		5824	while(document.getElementById(\"canvas_input\"+t)){\
		5825	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5826	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5827	p++;\
		5828	};\
		5829	t++;\
		5830	};\
		5831	};\
11088	schaersvoo	5832	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5833	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5834	}\
		5835	else\
		5836	{\
		5837	return reply +\"\\n\"+input_reply;\
		5838	}\
		5839	}\
		5840	else\
		5841	{\
11088	schaersvoo	5842	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5843	return reply +\"\\n\"+userdraw_text;\
		5844	}\
		5845	else\
		5846	{\
		5847	return reply;\
		5848	}\
		5849	};\
8108	schaersvoo	5850	};\n\
8257	schaersvoo	5851	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5852	break;
		5853	case 11: fprintf(js_include_file,"\
8257	schaersvoo	5854	\n<!-- begin function 11 read_canvas%d() -->\n\
		5855	read_canvas%d = function(){\
7614	schaersvoo	5856	var reply = \"\";\
		5857	var p = 0;\
8074	schaersvoo	5858	var prec = %d;\
7614	schaersvoo	5859	while(userdraw_x[p]){\
8074	schaersvoo	5860	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	5861	p = p+2;\
		5862	};\
11806	schaersvoo	5863	if(p == 0){return;};\
7614	schaersvoo	5864	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5865	var p = 0;var input_reply = new Array();\
		5866	if( document.getElementById(\"canvas_input0\")){\
		5867	var t = 0;\
		5868	while(document.getElementById(\"canvas_input\"+t)){\
		5869	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5870	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5871	p++;\
		5872	};\
		5873	t++;\
		5874	};\
		5875	};\
11088	schaersvoo	5876	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5877	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5878	}\
		5879	else\
		5880	{\
		5881	return reply +\"\\n\"+input_reply;\
		5882	}\
		5883	}\
		5884	else\
		5885	{\
11088	schaersvoo	5886	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5887	return reply +\"\\n\"+userdraw_text;\
		5888	}\
		5889	else\
		5890	{\
		5891	return reply;\
		5892	}\
		5893	};\
8108	schaersvoo	5894	};\n\
8257	schaersvoo	5895	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5896	break;
		5897	case 12: fprintf(js_include_file,"\
8257	schaersvoo	5898	\n<!-- begin function 12 read_canvas%d() -->\n\
		5899	read_canvas%d = function(){\
8074	schaersvoo	5900	set_reply_precision();\
7614	schaersvoo	5901	var reply = \"\";\
		5902	var p = 0;\
		5903	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		5904	if(userdraw_x[p] != null){\
		5905	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		5906	};\
		5907	};\
11806	schaersvoo	5908	if(p == 0){return;};\
7614	schaersvoo	5909	if( document.getElementById(\"canvas_input0\") ){\
		5910	var p = 0;var input_reply = new Array();\
		5911	if( document.getElementById(\"canvas_input0\")){\
		5912	var t = 0;\
		5913	while(document.getElementById(\"canvas_input\"+t)){\
		5914	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5915	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5916	p++;\
		5917	};\
		5918	t++;\
		5919	};\
		5920	};\
11088	schaersvoo	5921	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5922	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5923	}\
		5924	else\
		5925	{\
		5926	return reply +\"\\n\"+input_reply;\
		5927	}\
		5928	}\
		5929	else\
		5930	{\
11088	schaersvoo	5931	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5932	return reply +\"\\n\"+userdraw_text\
		5933	}\
		5934	else\
		5935	{\
		5936	return reply;\
		5937	}\
		5938	};\
8108	schaersvoo	5939	};\n\
8257	schaersvoo	5940	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5941	break;
		5942	case 13: fprintf(js_include_file,"\
8257	schaersvoo	5943	\n<!-- begin function 13 read_canvas%d() -->\n\
		5944	read_canvas%d = function(){\
7614	schaersvoo	5945	var reply = new Array();\
		5946	var p = 0;var i = 0;\
8074	schaersvoo	5947	var prec = %d;\
7614	schaersvoo	5948	while(userdraw_x[p]){\
8074	schaersvoo	5949	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	5950	p = p+2;i++;\
		5951	};\
11806	schaersvoo	5952	if(p == 0){return;};\
7614	schaersvoo	5953	if( document.getElementById(\"canvas_input0\") ){\
		5954	var p = 0;var input_reply = new Array();\
		5955	if( document.getElementById(\"canvas_input0\")){\
		5956	var t = 0;\
		5957	while(document.getElementById(\"canvas_input\"+t)){\
		5958	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5959	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5960	p++;\
		5961	};\
		5962	t++;\
		5963	};\
		5964	};\
11088	schaersvoo	5965	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5966	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5967	}\
		5968	else\
		5969	{\
		5970	return reply +\"\\n\"+input_reply;\
		5971	}\
		5972	}\
		5973	else\
		5974	{\
11088	schaersvoo	5975	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5976	return reply +\"\\n\"+userdraw_text\
		5977	}\
		5978	else\
		5979	{\
		5980	return reply;\
		5981	}\
		5982	};\
8108	schaersvoo	5983	};\n\
8257	schaersvoo	5984	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5985	break;
		5986	case 14: fprintf(js_include_file,"\
8257	schaersvoo	5987	\n<!-- begin function 14 read_canvas%d() -->\n\
		5988	read_canvas%d = function(){\
8074	schaersvoo	5989	set_reply_precision();\
7614	schaersvoo	5990	var reply = new Array();\
		5991	var p = 0;var i = 0;\
		5992	while(userdraw_x[p]){\
		5993	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		5994	p = p+2;i++;\
		5995	};\
11806	schaersvoo	5996	if(p == 0){return;};\
7614	schaersvoo	5997	if( document.getElementById(\"canvas_input0\") ){\
		5998	var p = 0;var input_reply = new Array();\
		5999	if( document.getElementById(\"canvas_input0\")){\
		6000	var t = 0;\
		6001	while(document.getElementById(\"canvas_input\"+t)){\
		6002	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6003	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6004	p++;\
		6005	};\
		6006	t++;\
		6007	};\
		6008	};\
11088	schaersvoo	6009	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6010	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6011	}\
		6012	else\
		6013	{\
		6014	return reply +\"\\n\"+input_reply;\
		6015	}\
		6016	}\
		6017	else\
		6018	{\
11088	schaersvoo	6019	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6020	return reply +\"\\n\"+userdraw_text;\
		6021	}\
		6022	else\
		6023	{\
		6024	return reply;\
		6025	}\
		6026	};\
8108	schaersvoo	6027	};\n\
8257	schaersvoo	6028	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6029	break;
		6030	case 15: fprintf(js_include_file,"\
8257	schaersvoo	6031	\n<!-- begin function 15 read_canvas%d() -->\n\
		6032	read_canvas%d = function(){\
7614	schaersvoo	6033	var input_reply = new Array();\
		6034	var p = 0;\
		6035	if( document.getElementById(\"canvas_input0\")){\
		6036	var t = 0;\
		6037	while(document.getElementById(\"canvas_input\"+t)){\
		6038	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6039	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6040	p++;\
		6041	};\
		6042	t++;\
		6043	};\
		6044	};\
11088	schaersvoo	6045	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6046	return input_reply +\"\\n\"+userdraw_text;\
		6047	}\
		6048	else\
		6049	{\
		6050	return input_reply;\
		6051	};\
8108	schaersvoo	6052	};\n\
8257	schaersvoo	6053	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6054	break;
		6055	case 16: fprintf(js_include_file,"\
7653	schaersvoo	6056	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	6057	function read_mathml(){\
		6058	var reply = new Array();\
		6059	var p = 0;\
		6060	if( document.getElementById(\"mathml0\")){\
		6061	while(document.getElementById(\"mathml\"+p)){\
		6062	reply[p] = document.getElementById(\"mathml\"+p).value;\
		6063	p++;\
		6064	};\
		6065	};\
		6066	return reply;\
		6067	};\
		6068	this.read_mathml = read_mathml;\n\
7653	schaersvoo	6069	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	6070	break;
		6071	case 17: fprintf(js_include_file,"\
8257	schaersvoo	6072	\n<!-- begin function 17 read_canvas%d() -->\n\
		6073	read_canvas%d = function(){\
11080	schaersvoo	6074	var len = userdraw_x.length;\
		6075	if( len == 0){alert(\"no text typed...\");return;}\
		6076	var rep = px2x(userdraw_x[0])+\",\"+px2y(userdraw_y[0])+\",\"+userdraw_text[0];\
		6077	for(var p = 1 ; p < len ; p++){\
		6078	rep = rep + \"\\n\" + px2x(userdraw_x[p]) + \",\" + px2y(userdraw_y[p]) + \",\" + userdraw_text[p];\
		6079	};\
		6080	return rep;\
8108	schaersvoo	6081	};\n\
8257	schaersvoo	6082	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6083	break;
		6084	case 18: fprintf(js_include_file,"\
10956	schaersvoo	6085	\n<!-- javascript has no real modulo function -->\n\
		6086	function mod(n, m){\
		6087	var m = parseInt(((n %% m) + m) %% m);\
		6088	return m;\
		6089	};\
8257	schaersvoo	6090	\n<!-- begin function 18 read_canvas%d() -->\n\
		6091	read_canvas%d = function(){\
7614	schaersvoo	6092	var p = 0;\
		6093	var reply = new Array();\
		6094	var name;\
		6095	var t = true;\
8000	schaersvoo	6096	var h;var m;var s;\
7614	schaersvoo	6097	while(t){\
8000	schaersvoo	6098	try{\
		6099	name = eval('clocks'+p);\
		6100	h = name.H;m = name.M;s = name.S;\
10956	schaersvoo	6101	h = mod((h+m/60+s/3600),12);m = mod((m + s/60),60);s = mod(s,60);\
8000	schaersvoo	6102	reply[p] = h+\":\"+m+\":\"+s;\
		6103	p++;\
		6104	}catch(e){t=false;};\
7614	schaersvoo	6105	};\
8000	schaersvoo	6106	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	6107	return reply;\
8108	schaersvoo	6108	};\n\
8257	schaersvoo	6109	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6110	break;
		6111	case 19: fprintf(js_include_file,"\
8257	schaersvoo	6112	\n<!-- begin function 19 read_canvas%d() -->\n\
		6113	read_canvas%d = function(){\
7614	schaersvoo	6114	return reply[0];\
8108	schaersvoo	6115	};\n\
8257	schaersvoo	6116	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	6117	break;
7614	schaersvoo	6118	case 20: fprintf(js_include_file,"\
8257	schaersvoo	6119	\n<!-- begin function 20 read_canvas%d() -->\n\
		6120	read_canvas%d = function(){\
8074	schaersvoo	6121	var prec = %d;\
7614	schaersvoo	6122	var len = ext_drag_images.length;\
		6123	var reply = new Array(len);\
		6124	for(var p = 0 ; p < len ; p++){\
		6125	var img = ext_drag_images[p];\
8556	schaersvoo	6126	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	6127	};\
		6128	return reply;\
8108	schaersvoo	6129	};\n\
8257	schaersvoo	6130	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6131	break;
		6132	case 21: fprintf(js_include_file,"\
8257	schaersvoo	6133	\n<!-- begin function 21 read_canvas%d() -->\n\
		6134	read_canvas%d = function(){\
7614	schaersvoo	6135	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		6136	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	6137	var prec = %d;\
7614	schaersvoo	6138	while(userdraw_x[p]){\
8074	schaersvoo	6139	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	6140	p++;\
		6141	};\
11806	schaersvoo	6142	if(p == 0){return;};\
7614	schaersvoo	6143	if( document.getElementById(\"canvas_input0\") ){\
		6144	var p = 0;var input_reply = new Array();\
		6145	if( document.getElementById(\"canvas_input0\")){\
		6146	var t = 0;\
		6147	while(document.getElementById(\"canvas_input\"+t)){\
		6148	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6149	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6150	p++;\
		6151	};\
		6152	t++;\
		6153	};\
		6154	};\
11088	schaersvoo	6155	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6156	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6157	}\
		6158	else\
		6159	{\
		6160	return reply_coord+\"\\n\"+input_reply;\
		6161	}\
		6162	}\
		6163	else\
		6164	{\
11088	schaersvoo	6165	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6166	return reply_coord+\"\\n\"+userdraw_text;\
		6167	}\
		6168	else\
		6169	{\
		6170	return reply_coord;\
		6171	};\
		6172	};\
8108	schaersvoo	6173	};\n\
8257	schaersvoo	6174	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6175	break;
		6176	case 22: fprintf(js_include_file,"\
8257	schaersvoo	6177	\n<!-- begin function 22 read_canvas%d() -->\n\
		6178	read_canvas%d = function(){\
7614	schaersvoo	6179	var reply = new Array();\
7963	schaersvoo	6180	var lu = userdraw_x.length;\
11806	schaersvoo	6181	if(lu == 0){return;};\
7614	schaersvoo	6182	var idx = 0;\
8074	schaersvoo	6183	var prec = %d;\
7963	schaersvoo	6184	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	6185	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		6186	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	6187	};\
		6188	if( document.getElementById(\"canvas_input0\") ){\
		6189	var p = 0;var input_reply = new Array();\
		6190	if( document.getElementById(\"canvas_input0\")){\
		6191	var t = 0;\
		6192	while(document.getElementById(\"canvas_input\"+t)){\
		6193	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6194	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6195	p++;\
		6196	};\
		6197	t++;\
		6198	};\
		6199	};\
11088	schaersvoo	6200	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6201	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6202	}\
		6203	else\
		6204	{\
		6205	return reply +\"\\n\"+input_reply;\
		6206	}\
		6207	}\
		6208	else\
		6209	{\
11088	schaersvoo	6210	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6211	return reply +\"\\n\"+userdraw_text;\
		6212	}\
		6213	else\
		6214	{\
		6215	return reply;\
		6216	}\
		6217	};\
8108	schaersvoo	6218	};\n\
8257	schaersvoo	6219	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6220	break;
7782	schaersvoo	6221	case 23: fprintf(js_include_file,"\
8257	schaersvoo	6222	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		6223	read_canvas%d = function(){\
7782	schaersvoo	6224	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		6225	var lu = userdraw_x.length;\
		6226	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	6227	var reply_x = new Array();var reply_y = new Array();\
		6228	var marge = 5;var p = 0;\
8074	schaersvoo	6229	var prec = %d;\
7782	schaersvoo	6230	for(var i = 0; i < lu - 1 ; i++ ){\
10987	schaersvoo	6231	if( Math.abs(userdraw_x[i] - userdraw_x[i+1]) \|\| Math.abs(userdraw_y[i] - userdraw_y[i+1])){\
8074	schaersvoo	6232	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	6233	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		6234	p++;\
7782	schaersvoo	6235	};\
8074	schaersvoo	6236	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	6237	};\
		6238	if( document.getElementById(\"canvas_input0\")){\
		6239	var p = 0;var input_reply = new Array();\
		6240	if( document.getElementById(\"canvas_input0\")){\
		6241	var t = 0;\
		6242	while(document.getElementById(\"canvas_input\"+t)){\
		6243	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6244	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6245	p++;\
		6246	};\
		6247	t++;\
		6248	};\
		6249	};\
11088	schaersvoo	6250	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6251	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6252	}\
		6253	else\
		6254	{\
		6255	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		6256	}\
		6257	}\
		6258	else\
		6259	{\
11088	schaersvoo	6260	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6261	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		6262	}\
		6263	else\
		6264	{\
		6265	return reply_x+\"\\n\"+reply_y;\
		6266	};\
		6267	};\
8108	schaersvoo	6268	};\n\
8257	schaersvoo	6269	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	6270	break;
7984	schaersvoo	6271	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	6272	<!-- begin function 24 read_canvas%d() -->\n\
		6273	read_canvas%d = function(){\
7984	schaersvoo	6274	var input_reply = new Array();\
		6275	var p = 0;\
		6276	if( document.getElementById(\"canvas_input0\")){\
		6277	while(document.getElementById(\"canvas_input\"+p)){\
		6278	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		6279	p++;\
		6280	};\
		6281	return input_reply;\
		6282	};\
8108	schaersvoo	6283	};\n\
8257	schaersvoo	6284	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	6285	break;
8083	schaersvoo	6286	case 25:
8257	schaersvoo	6287	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		6288	read_canvas%d = function(){\
8083	schaersvoo	6289	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		6290	var lu = userdraw_radius.length;\
		6291	var prec = %d;\
		6292	var angle_reply = new Array(lu);\
		6293	for(var p = 0 ; p < lu ; p++){\
		6294	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		6295	};\
		6296	return angle_reply;\
8108	schaersvoo	6297	};\n\
8257	schaersvoo	6298	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	6299	break;
		6300	case 26:
8257	schaersvoo	6301	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		6302	read_canvas%d = function(){\
8083	schaersvoo	6303	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		6304	var lu = userdraw_radius.length;\
		6305	var prec = %d;\
		6306	var angle_reply = new Array(lu);\
		6307	for(var p = 0 ; p < lu ; p++){\
		6308	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		6309	};\
		6310	return angle_reply;\
8108	schaersvoo	6311	};\n\
8257	schaersvoo	6312	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	6313	break;
8127	schaersvoo	6314	case 27:
8257	schaersvoo	6315	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		6316	read_canvas%d = function(){\
8127	schaersvoo	6317	var lu = userdraw_x.length;\
		6318	if( lu < 1){alert(\"nothing drawn...\");return;}\
		6319	set_reply_precision();\
		6320	var prec = %d;\
11080	schaersvoo	6321	var rep = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\",\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\",\"+ document.getElementById(\"canvas_input\"+p).value;\
8127	schaersvoo	6322	for(var p = 0 ; p < lu ; p++){\
11080	schaersvoo	6323	rep = rep = \"\\n\" + (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
8127	schaersvoo	6324	};\
11080	schaersvoo	6325	return rep;\
8127	schaersvoo	6326	};\n\
8257	schaersvoo	6327	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	6328	break;
8322	schaersvoo	6329	case 28:
		6330	fprintf(js_include_file,"\n<!-- begin function 28 read_canvas%d() -->\n\
		6331	read_canvas%d = function(){\
		6332	var prec = %d;\
		6333	var reply = new Array();var p = 0;\
		6334	var idx = 0;\
		6335	while(userdraw_x[p]){\
		6336	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		6337	idx++;\
		6338	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		6339	idx++;\
		6340	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		6341	idx++;\
		6342	p++;\
		6343	};\
		6344	if( p == 0){alert(\"nothing drawn...\");return;}\
		6345	return reply;\
		6346	};\n\
9213	schaersvoo	6347	<!-- end function 28 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8322	schaersvoo	6348	break;
9213	schaersvoo	6349	case 29:
		6350	fprintf(js_include_file,"\n<!-- begin function 29 read_canvas%d() -->\n\
		6351	function xy_precision(array_x,array_y){\
		6352	var len = array_x.length;\
		6353	var x_array = new Array(len);\
		6354	var y_array = new Array(len);\
		6355	var prec = %d;\
		6356	for(var p = 0 ; p < len ; p++ ){\
		6357	x_array[p] = (Math.round(prec*(px2x(array_x[p]))))/prec;\
		6358	y_array[p] = (Math.round(prec*(px2y(array_y[p]))))/prec;\
		6359	};\
9230	schaersvoo	6360	return x_array+\";\"+y_array;\
9213	schaersvoo	6361	};\n\
		6362	function round_to_pixel(array_r){\
		6363	var len = array_r.length;\
		6364	for(var p = 0 ; p < len ; p++ ){\
		6365	array_r[p] = Math.round(array_r[p]);\
		6366	};\
		6367	return array_r;\
		6368	};\
		6369	read_canvas%d = function(){\
9300	schaersvoo	6370	var reply=\" \";\
		6371	if( points_x && points_x.length > 0 ){reply = reply + xy_precision(points_x,points_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6372	if( circles_x && circles_x.length > 0 ){ reply = reply + xy_precision(circles_x,circles_y)+\";\"+round_to_pixel(multi_radius)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6373	if( segments_x && segments_x.length > 0 ){ reply = reply + xy_precision(segments_x,segments_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6374	if( arrows_x && arrows_x.length > 0 ){ reply = reply + xy_precision(arrows_x,arrows_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6375	if( lines_x && lines_x.length > 0 ){ reply = reply + xy_precision(lines_x,lines_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6376	if( triangles_x && triangles_x.length > 0){ reply = reply + xy_precision(triangles_x,triangles_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
11226	schaersvoo	6377	if( polys_x && polys_x.length > 0){ reply = reply + xy_precision(polys_x,polys_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9372	schaersvoo	6378	if( rects_x && rects_x.length > 0 ){ reply = reply + xy_precision(rects_x,rects_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9300	schaersvoo	6379	if( closedpoly_x && closedpoly_x.length > 0){ closedpoly_x.pop();closedpoly_y.pop();reply = reply + xy_precision(closedpoly_x,closedpoly_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
11230	schaersvoo	6380	if( parallelogram_x && parallelogram_x.length > 0){ reply = reply + xy_precision(parallelogram_x,parallelogram_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9338	schaersvoo	6381	if( text_x && text_x.length > 0){ reply = reply + xy_precision(text_x,text_y)+\";\"+text_abc+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9213	schaersvoo	6382	return reply;\
		6383	};\n\
		6384	<!-- end function 29 read_canvas%d() -->",canvas_root_id,reply_precision,canvas_root_id,canvas_root_id);
		6385	break;
9289	schaersvoo	6386	case 30:
		6387	fprintf(js_include_file,"\n<!-- begin function 30 read_canvas%d() -->\n\
		6388	read_canvas%d = function(){\
		6389	var reply = new Array(3);\
		6390	var prec = %d;\
		6391	reply[0] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		6392	reply[1] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		6393	reply[2] = (Math.round(prec*(protractor_data[2])))/prec;\
		6394	return reply;\
		6395	};\n\
		6396	<!-- end function 30 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6397	break;
		6398	case 31:
		6399	fprintf(js_include_file,"\n<!-- begin function 31 read_canvas%d() -->\n\
		6400	read_canvas%d = function(){\
		6401	var reply = new Array(3);\
		6402	var prec = %d;\
		6403	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		6404	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		6405	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		6406	return reply;\
		6407	};\n\
		6408	<!-- end function 31 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6409	break;
		6410	case 32:
		6411	fprintf(js_include_file,"\n<!-- begin function 32 read_canvas%d() -->\n\
		6412	read_canvas%d = function(){\
		6413	var reply = new Array(6);\
		6414	var prec = %d;\
		6415	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		6416	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		6417	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		6418	reply[3] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		6419	reply[4] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		6420	reply[5] = (Math.round(prec*(protractor_data[2])))/prec;\
		6421	return reply;\
		6422	};\n\
		6423	<!-- end function 32 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6424	break;
7614	schaersvoo	6425	default: canvas_error("hmmm unknown replyformat...");break;
		6426	}
		6427	return;
		6428	}
		6429
		6430
8224	bpr	6431	/*
		6432	add drawfunction :
7614	schaersvoo	6433	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		6434	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		6435	- grid / mathml
		6436	- will not scale or zoom in
		6437	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	6438	- is printed directly into 'js_include_file'
7614	schaersvoo	6439	*/
		6440
11021	schaersvoo	6441	void add_javascript_function(int js_function[],int canvas_root_id){
7614	schaersvoo	6442	int i;
		6443	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
11017	schaersvoo	6444	if( js_function[i] == 1){
7614	schaersvoo	6445	switch(i){
11026	bpr	6446	case JS_FIND_ANGLE:
11025	schaersvoo	6447	fprintf(js_include_file,"\n\
		6448	<!-- function find_angle() -->\n\
		6449	function find_angle(xc,yc,x1,y1){\
11019	schaersvoo	6450	var dx = x1 - xc;\
		6451	var dy = yc - y1;\
		6452	if( dx > 0 && dy < 0){ return Math.atan(-1*dy/dx);};\
		6453	if( dx < 0 && dy < 0){ return Math.PI + Math.atan(-1*dy/dx);};\
		6454	if( dx < 0 && dy > 0){ return Math.PI + Math.atan(-1*dy/dx);};\
		6455	if( dx > 0 && dy > 0){ return 2Math.PI + Math.atan(-1dy/dx);};};");
11017	schaersvoo	6456	break;
8448	schaersvoo	6457	case DRAW_EXTERNAL_IMAGE:
10953	bpr	6458	/* the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
8448	schaersvoo	6459	draw_external_image(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]);
		6460	*/
7614	schaersvoo	6461	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	6462	var external_ctx = external_canvas.getContext(\"2d\");\
		6463	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		6464	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		6465	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		6466	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		6467	var selected_image = null;\
		6468	var ext_image_cnt = 0;\
		6469	var ext_drag_images = new Array();\
8448	schaersvoo	6470	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt){\
7653	schaersvoo	6471	ext_image_cnt = idx;\
8448	schaersvoo	6472	if(draggable == 1 ){\
		6473	reply[click_cnt] = 0;\
		6474	};\
7653	schaersvoo	6475	var image = new Image();\
		6476	image.src = URL;\
		6477	image.onload = function(){\
8448	schaersvoo	6478	if( sx < 1 ){ sx = 0; };\
		6479	if( sy < 1 ){ sy = 0; };\
		6480	if( swidth < 1 ){swidth = image.width;};\
		6481	if( sheight < 1 ){sheight = image.height;};\
		6482	if( width < 1 ){width = image.width;};\
		6483	if( height < 1 ){height = image.height;};\
		6484	if( resizable == 0 ){\
		6485	if( swidth > image.width ){ swidth = image.width; };\
		6486	if( sheight > image.height){ sheight = image.height;};\
		6487	if( width > image.width ){ width = image.width; };\
		6488	if( height > image.height){ height = image.height;};\
		6489	};\
		6490	var img = new Array(11);\
7653	schaersvoo	6491	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
8448	schaersvoo	6492	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;img[10] = click_cnt;\
7653	schaersvoo	6493	ext_drag_images[idx] = img;\
		6494	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		6495	};\
		6496	};\
		6497	function dragstop(evt){\
		6498	selected_image = null;return;\
		6499	};\
		6500	function dragxy(evt){\
		6501	if( selected_image != null ){\
		6502	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		6503	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		6504	var s_img = ext_drag_images[selected_image];\
		6505	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		6506	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
8386	schaersvoo	6507	if( use_snap_to_points == 1){\
		6508	var img_xy = snap_to_points(s_img[6],s_img[7]);\
		6509	s_img[6] = img_xy[0];s_img[7] = img_xy[1];\
		6510	}\
		6511	else\
		6512	{\
		6513	if( x_use_snap_to_grid == 1 ){\
		6514	s_img[6] = snap_to_x(s_img[6]);\
		6515	};\
		6516	if( y_use_snap_to_grid == 1 ){\
		6517	s_img[7] = snap_to_x(s_img[7]);\
		6518	};\
		6519	};\
7653	schaersvoo	6520	ext_drag_images[selected_image] = s_img;\
		6521	external_ctx.clearRect(0,0,xsize,ysize);\
		6522	for(var i = 0; i <= ext_image_cnt ; i++){\
		6523	var img = ext_drag_images[i];\
		6524	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		6525	};\
		6526	};\
		6527	};\
		6528	function setxy(evt){\
		6529	if( ! selected_image && evt.which == 1 ){\
		6530	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		6531	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		6532	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		6533	var ym = evt.clientY - external_canvas_rect.top + yoff;\
8448	schaersvoo	6534	var img;\
7653	schaersvoo	6535	for(var p = 0 ; p <= ext_image_cnt ; p++){\
8448	schaersvoo	6536	if( ext_drag_images[p] ){\
		6537	img = ext_drag_images[p];\
		6538	if( img[0] != 0 ){\
		6539	if( xm > img[6] && xm < img[6] + img[8]){\
		6540	if( ym > img[7] && ym < img[7] + img[9]){\
		6541	if( img[0] == 1){\
		6542	if( reply[img[10]] == 1 ){\
		6543	reply[img[10]] = 0;external_ctx.strokeStyle = '#ffffff';\
		6544	}\
		6545	else\
		6546	{\
		6547	reply[img[10]] = 1;external_ctx.strokeStyle = '#00ff00';\
		6548	};\
		6549	external_ctx.lineWidth = 6;\
		6550	external_ctx.beginPath();\
		6551	external_ctx.rect(img[6],img[7],img[8],img[9]);\
		6552	external_ctx.closePath();\
		6553	external_ctx.stroke();\
		6554	return;\
		6555	}\
		6556	else\
		6557	{\
		6558	img[6] = xm;\
		6559	img[7] = ym;\
		6560	ext_drag_images[p] = img;\
		6561	selected_image = p;\
		6562	dragxy(evt);\
		6563	};\
		6564	};\
7653	schaersvoo	6565	};\
		6566	};\
		6567	};\
		6568	};\
		6569	}\
		6570	else\
		6571	{\
		6572	selected_image = null;\
		6573	};\
8448	schaersvoo	6574	};");
7614	schaersvoo	6575	break;
8370	schaersvoo	6576	case DRAW_BEZIER:
		6577	fprintf(js_include_file,"\n<!-- draw bezier curve -->\n\
		6578	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){\
		6579	var obj;\
		6580	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6581	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6582	}\
		6583	else\
		6584	{\
		6585	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6586	};\
		6587	var ctx = obj.getContext(\"2d\");\
		6588	ctx.save();\
		6589	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6590	ctx.lineWidth = linewidth;\
11088	schaersvoo	6591	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8370	schaersvoo	6592	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
		6593	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6594	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6595	ctx.beginPath();\
		6596	ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
		6597	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]));\
		6598	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		6599	ctx.stroke();\
		6600	ctx.restore();\
		6601	};\n",canvas_root_id,canvas_root_id,canvas_root_id);
		6602	break;
7614	schaersvoo	6603	case DRAW_GRIDFILL:/* not used for userdraw */
		6604	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	6605	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	6606	var obj;\
		6607	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6608	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6609	}\
		6610	else\
		6611	{\
		6612	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6613	};\
		6614	var ctx = obj.getContext(\"2d\");\
		6615	var x,y;\
7883	schaersvoo	6616	snap_x = dx;snap_y = dy;\
7614	schaersvoo	6617	ctx.save();\
9462	schaersvoo	6618	ctx.lineWidth = line_width;\
11088	schaersvoo	6619	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6620	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		6621	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		6622	ctx.moveTo(x,y0);\
		6623	ctx.lineTo(x,ysize);\
		6624	};\
7645	schaersvoo	6625	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	6626	ctx.moveTo(x0,y);\
		6627	ctx.lineTo(xsize,y);\
		6628	};\
		6629	ctx.stroke();\
		6630	ctx.restore();\
7653	schaersvoo	6631	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6632	break;
8224	bpr	6633
7614	schaersvoo	6634	case DRAW_IMAGEFILL:/* not used for userdraw */
		6635	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	6636	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	6637	var obj;\
		6638	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6639	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6640	}\
		6641	else\
		6642	{\
		6643	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6644	};\
		6645	var ctx = obj.getContext(\"2d\");\
		6646	ctx.save();\
		6647	var img = new Image();\
		6648	img.src = URL;\
		6649	img.onload = function(){\
		6650	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		6651	ctx.drawImage(img,x0,y0,xsize,ysize);\
		6652	}\
		6653	else\
		6654	{\
		6655	var repeat = \"repeat\";\
		6656	if(img.width > xsize - x0){\
		6657	repeat = \"repeat-y\";\
		6658	}\
		6659	else\
		6660	{\
		6661	if( img.height > ysize -x0 ){\
		6662	repeat = \"repeat-x\";\
		6663	}\
		6664	}\
		6665	var pattern = ctx.createPattern(img,repeat);\
		6666	ctx.rect(x0,y0,xsize,ysize);\
		6667	ctx.fillStyle = pattern;\
		6668	}\
		6669	ctx.fill();\
		6670	};\
		6671	ctx.restore();\
		6672	return;\
7653	schaersvoo	6673	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6674	break;
8224	bpr	6675
7614	schaersvoo	6676	case DRAW_DOTFILL:/* not used for userdraw */
		6677	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	6678	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	6679	var obj;\
		6680	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6681	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6682	}\
		6683	else\
		6684	{\
		6685	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6686	};\
		6687	var ctx = obj.getContext(\"2d\");\
		6688	var x,y;\
		6689	ctx.closePath();\
		6690	ctx.save();\
7645	schaersvoo	6691	snap_x = dx;snap_y = dy;\
7614	schaersvoo	6692	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		6693	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		6694	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		6695	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		6696	ctx.closePath();\
		6697	}\
		6698	}\
		6699	ctx.fill();\
		6700	ctx.restore();\
7653	schaersvoo	6701	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6702	break;
7645	schaersvoo	6703
7647	schaersvoo	6704	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	6705	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	6706	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	6707	var obj;\
		6708	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6709	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6710	}\
		6711	else\
		6712	{\
		6713	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6714	};\
		6715	var ctx = obj.getContext(\"2d\");\
		6716	var x;\
		6717	var y;\
		6718	ctx.save();\
		6719	ctx.lineWidth = linewidth;\
11088	schaersvoo	6720	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6721	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6722	y = ysize;\
		6723	for( x = x0 ; x < xsize ; x = x + dx ){\
		6724	ctx.moveTo(x,y0);\
		6725	ctx.lineTo(xsize,y);\
		6726	y = y - dy;\
		6727	};\
		6728	y = y0;\
		6729	for( x = xsize ; x > 0 ; x = x - dx){\
		6730	ctx.moveTo(x,ysize);\
		6731	ctx.lineTo(x0,y);\
		6732	y = y + dy;\
		6733	};\
		6734	x = x0;\
		6735	for( y = y0 ; y < ysize ; y = y + dy ){\
		6736	ctx.moveTo(xsize,y);\
		6737	ctx.lineTo(x,ysize);\
		6738	x = x + dx;\
		6739	};\
		6740	x = xsize;\
		6741	for( y = ysize ; y > y0 ; y = y - dy ){\
		6742	ctx.moveTo(x,y0);\
		6743	ctx.lineTo(x0,y);\
		6744	x = x - dx;\
		6745	};\
		6746	ctx.stroke();\
		6747	ctx.restore();\
		6748	return;\
7653	schaersvoo	6749	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6750	break;
8224	bpr	6751
7647	schaersvoo	6752	case DRAW_HATCHFILL:/* not used for userdraw */
		6753	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	6754	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	6755	var obj;\
		6756	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6757	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6758	}\
		6759	else\
		6760	{\
		6761	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6762	};\
		6763	var ctx = obj.getContext(\"2d\");\
		6764	var x;\
		6765	var y;\
		6766	ctx.save();\
		6767	ctx.lineWidth = linewidth;\
11088	schaersvoo	6768	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7647	schaersvoo	6769	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6770	y = ysize;\
		6771	for( x = x0 ; x < xsize ; x = x + dx ){\
		6772	ctx.moveTo(x,y0);\
		6773	ctx.lineTo(xsize,y);\
		6774	y = y - dy;\
		6775	};\
		6776	y = y0;\
		6777	for( x = xsize ; x >= dx ; x = x - dx){\
		6778	ctx.moveTo(x,ysize);\
		6779	ctx.lineTo(x0,y);\
		6780	y = y + dy;\
		6781	};\
		6782	ctx.stroke();\
		6783	ctx.restore();\
		6784	return;\
7653	schaersvoo	6785	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	6786	break;
7614	schaersvoo	6787	case DRAW_CIRCLES:/* used for userdraw */
		6788	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	6789	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	6790	ctx.save();\
8071	schaersvoo	6791	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6792	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6793	ctx.lineWidth = line_width;\
11088	schaersvoo	6794	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6795	for(var p = 0 ; p < x_points.length ; p++ ){\
		6796	ctx.beginPath();\
		6797	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		6798	ctx.closePath();\
		6799	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6800	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		6801	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6802	ctx.stroke();\
		6803	}\
		6804	ctx.restore();\
		6805	return;\
7653	schaersvoo	6806	};");
7614	schaersvoo	6807	break;
7663	schaersvoo	6808	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		6809	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	6810	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	6811	ctx.save();\
8071	schaersvoo	6812	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	6813	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6814	ctx.lineWidth = line_width;\
11088	schaersvoo	6815	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7663	schaersvoo	6816	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6817	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6818	ctx.clearRect(0,0,xsize,ysize);\
		6819	ctx.beginPath();\
		6820	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		6821	ctx.moveTo(x_points[p],y_points[p]);\
		6822	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		6823	}\
		6824	ctx.closePath();\
		6825	ctx.stroke();\
		6826	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6827	for(var p = 0 ; p < x_points.length ; p++ ){\
		6828	ctx.beginPath();\
		6829	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		6830	ctx.closePath();ctx.fill();ctx.stroke();\
		6831	};\
		6832	ctx.restore();\
		6833	return;\
		6834	};");
		6835	break;
8224	bpr	6836
7614	schaersvoo	6837	case DRAW_SEGMENTS:/* used for userdraw */
		6838	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	6839	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	6840	ctx.save();\
8071	schaersvoo	6841	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6842	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6843	ctx.lineWidth = line_width;\
11088	schaersvoo	6844	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6845	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6846	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6847	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6848	ctx.beginPath();\
		6849	ctx.moveTo(x_points[p],y_points[p]);\
		6850	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		6851	ctx.closePath();\
		6852	ctx.stroke();\
		6853	}\
		6854	ctx.restore();\
		6855	return;\
		6856	};");
		6857	break;
8224	bpr	6858
7614	schaersvoo	6859	case DRAW_LINES:/* used for userdraw */
		6860	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		6861	function calc_line(x1,x2,y1,y2){\
		6862	var marge = 2;\
		6863	if(x1 < x2+marge && x1>x2-marge){\
		6864	return [x1,0,x1,ysize];\
		6865	};\
		6866	if(y1 < y2+marge && y1>y2-marge){\
		6867	return [0,y1,xsize,y1];\
		6868	};\
		6869	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		6870	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		6871	return [0,Y1,xsize,Y2];\
		6872	};\
8105	schaersvoo	6873	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	6874	ctx.save();\
		6875	var line = new Array(4);\
8071	schaersvoo	6876	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6877	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6878	ctx.lineWidth = line_width;\
11088	schaersvoo	6879	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6880	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6881	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6882	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6883	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		6884	ctx.beginPath();\
		6885	ctx.moveTo(line[0],line[1]);\
		6886	ctx.lineTo(line[2],line[3]);\
		6887	ctx.closePath();\
		6888	ctx.stroke();\
		6889	}\
		6890	ctx.restore();\
		6891	return;\
		6892	};");
		6893	break;
		6894
8244	schaersvoo	6895	case DRAW_DEMILINES:/* used for userdraw */
		6896	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		6897	function find_inf_point(x1,y1,x2,y2){\
		6898	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		6899	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		6900	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		6901	};\
		6902	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){\
		6903	ctx.save();\
		6904	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		6905	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6906	ctx.lineWidth = line_width;\
11088	schaersvoo	6907	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8244	schaersvoo	6908	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6909	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6910	var pair = new Array(4);\
		6911	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6912	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		6913	ctx.beginPath();\
		6914	ctx.moveTo(pair[0],pair[1]);\
		6915	ctx.lineTo(pair[2],pair[3]);\
		6916	ctx.closePath();\
		6917	ctx.stroke();\
		6918	}\
		6919	ctx.restore();\
		6920	return;\
		6921	};");
		6922	break;
		6923
7614	schaersvoo	6924	case DRAW_CROSSHAIRS:/* used for userdraw */
		6925	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	6926	var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix){\
8071	schaersvoo	6927	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6928	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6929	ctx.lineWidth = line_width;\
11088	schaersvoo	6930	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6931	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6932	var x1,x2,y1,y2;\
		6933	for(var p = 0 ; p < x_points.length ; p++ ){\
		6934	x1 = x_points[p] - crosshair_size;\
		6935	x2 = x_points[p] + crosshair_size;\
		6936	y1 = y_points[p] - crosshair_size;\
		6937	y2 = y_points[p] + crosshair_size;\
		6938	ctx.beginPath();\
		6939	ctx.moveTo(x1,y1);\
		6940	ctx.lineTo(x2,y2);\
		6941	ctx.closePath();\
		6942	ctx.stroke();\
		6943	ctx.beginPath();\
		6944	ctx.moveTo(x2,y1);\
		6945	ctx.lineTo(x1,y2);\
		6946	ctx.closePath();\
		6947	ctx.stroke();\
		6948	}\
		6949	ctx.restore();\
		6950	return;\
7653	schaersvoo	6951	};");
7614	schaersvoo	6952	break;
		6953
		6954	case DRAW_RECTS:/* used for userdraw */
		6955	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	6956	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){\
7614	schaersvoo	6957	ctx.save();\
8071	schaersvoo	6958	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6959	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6960	ctx.lineWidth = line_width;\
11088	schaersvoo	6961	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8448	schaersvoo	6962	ctx.strokeStyle = 'rgba('+stroke_color+','+stroke_opacity+')';\
7614	schaersvoo	6963	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		6964	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		6965	ctx.beginPath();\
		6966	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		6967	ctx.closePath();\
8448	schaersvoo	6968	if(use_filled == 1 ){ctx.fillStyle = 'rgba('+fill_color+','+fill_opacity+')';ctx.fill();}\
7614	schaersvoo	6969	ctx.stroke();\
		6970	};\
		6971	ctx.restore();\
		6972	return;\
7653	schaersvoo	6973	};");
7614	schaersvoo	6974	break;
		6975
		6976	case DRAW_ROUNDRECTS:/* used for userdraw */
		6977	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	6978	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){\
7614	schaersvoo	6979	ctx.save();\
8071	schaersvoo	6980	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6981	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6982	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
9462	schaersvoo	6983	ctx.lineWidth = line_width;\
11088	schaersvoo	6984	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6985	var x,y,w,h,r;\
		6986	for(var p = 0; p < x_points.length; p = p+2){\
		6987	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);\
		6988	ctx.beginPath();ctx.moveTo(x + r, y);\
		6989	ctx.lineTo(x + w - r, y);\
		6990	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		6991	ctx.lineTo(x + w, y + h - r);\
		6992	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		6993	ctx.lineTo(x + r, y + h);\
		6994	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		6995	ctx.lineTo(x, y + r);\
		6996	ctx.quadraticCurveTo(x, y, x + r, y);\
		6997	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		6998	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6999	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		7000	ctx.stroke();\
		7001	}\
		7002	ctx.restore();\
7653	schaersvoo	7003	};");
8224	bpr	7004	break;
7614	schaersvoo	7005
		7006	case DRAW_ELLIPSES:/* not used for userdraw */
		7007	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	7008	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	7009	var obj;\
		7010	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7011	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7012	}\
		7013	else\
		7014	{\
		7015	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7016	};\
		7017	var ctx = obj.getContext(\"2d\");\
		7018	ctx.save();\
8071	schaersvoo	7019	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7020	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7021	var cx,cy,ry,rx;\
		7022	ctx.lineWidth = line_width;\
11088	schaersvoo	7023	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7024	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		7025	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7026	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7027	for(var p=0;p< x_points.length;p = p+2){\
		7028	ctx.beginPath();\
		7029	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		7030	ctx.translate(cx - rx, cy - ry);\
		7031	ctx.scale(rx, ry);\
		7032	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		7033	if( use_filled == 1 ){ctx.fill();}\
		7034	ctx.stroke();\
		7035	};\
		7036	ctx.restore();\
7653	schaersvoo	7037	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	7038	break;
		7039
		7040	case DRAW_PATHS: /* used for userdraw */
		7041	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	7042	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	7043	ctx.save();\
8071	schaersvoo	7044	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7045	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7046	ctx.lineWidth = line_width;\
11088	schaersvoo	7047	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7048	ctx.lineJoin = \"round\";\
		7049	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7050	ctx.beginPath();\
		7051	ctx.moveTo(x_points[0],y_points[0]);\
		7052	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		7053	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		7054	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7055	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		7056	ctx.stroke();\
		7057	ctx.restore();\
		7058	return;\
		7059	};");
8224	bpr	7060
7614	schaersvoo	7061	break;
		7062	case DRAW_ARROWS:/* used for userdraw */
		7063	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	7064	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	7065	ctx.save();\
8071	schaersvoo	7066	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7067	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7068	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7069	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7070	ctx.lineWidth = line_width;\
11088	schaersvoo	7071	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7072	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7073	ctx.lineCap = \"round\";\
		7074	var x1,y1,x2,y2,dx,dy,len;\
		7075	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	7076	ctx.save();\
7614	schaersvoo	7077	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		7078	len = Math.sqrt(dxdx+dydy);\
		7079	ctx.translate(x2,y2);\
		7080	ctx.rotate(Math.atan2(dy,dx));\
		7081	ctx.lineCap = \"round\";\
		7082	ctx.beginPath();\
		7083	ctx.moveTo(0,0);\
		7084	ctx.lineTo(-len,0);\
		7085	ctx.closePath();\
		7086	ctx.stroke();\
		7087	ctx.beginPath();\
		7088	ctx.moveTo(0,0);\
		7089	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		7090	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		7091	ctx.closePath();\
		7092	ctx.fill();\
7874	schaersvoo	7093	ctx.restore();\
7614	schaersvoo	7094	if( type == 2 ){\
		7095	ctx.save();\
		7096	ctx.translate(x1,y1);\
		7097	ctx.rotate(Math.atan2(-dy,-dx));\
		7098	ctx.beginPath();\
		7099	ctx.moveTo(0,0);\
8347	schaersvoo	7100	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		7101	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	7102	ctx.closePath();\
		7103	ctx.stroke();\
		7104	ctx.fill();\
7874	schaersvoo	7105	ctx.restore();\
8379	schaersvoo	7106	};\
		7107	};\
7614	schaersvoo	7108	ctx.restore();\
		7109	return;\
7653	schaersvoo	7110	};");
7614	schaersvoo	7111	break;
		7112
		7113	case DRAW_VIDEO:/* not used for userdraw */
		7114	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	7115	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	7116	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7117	var video_div = document.createElement(\"div\");\
		7118	canvas_div.appendChild(video_div);\
		7119	video_div.style.position = \"absolute\";\
		7120	video_div.style.left = x+\"px\";\
		7121	video_div.style.top = y+\"px\";\
		7122	video_div.style.width = w+\"px\";\
		7123	video_div.style.height = h+\"px\";\
		7124	var video = document.createElement(\"video\");\
		7125	video_div.appendChild(video);\
		7126	video.style.width = w+\"px\";\
		7127	video.style.height = h+\"px\";\
		7128	video.autobuffer = true;\
		7129	video.controls = true;video.autoplay = false;\
		7130	var src = document.createElement(\"source\");\
		7131	src.type = \"video/mp4\";\
		7132	src.src = URL;\
		7133	video.appendChild(src);\
		7134	video.load();\
		7135	return;\
8224	bpr	7136	};");
7614	schaersvoo	7137	break;
8224	bpr	7138
7614	schaersvoo	7139	case DRAW_AUDIO:/* not used for userdraw */
		7140	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	7141	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	7142	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7143	var audio_div = document.createElement(\"div\");\
		7144	canvas_div.appendChild(audio_div);\
		7145	audio_div.style.position = \"absolute\";\
		7146	audio_div.style.left = x+\"px\";\
		7147	audio_div.style.top = y+\"px\";\
		7148	audio_div.style.width = w+\"px\";\
		7149	audio_div.style.height = h+\"px\";\
		7150	var audio = document.createElement(\"audio\");\
		7151	audio_div.appendChild(audio);\
		7152	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		7153	audio.autobuffer = true;\
8379	schaersvoo	7154	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
		7155	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
7614	schaersvoo	7156	var src1 = document.createElement(\"source\");\
		7157	src1.type = \"audio/ogg\";\
		7158	src1.src = URL1;\
		7159	audio.appendChild(src1);\
		7160	var src2 = document.createElement(\"source\");\
		7161	src2.type = \"audio/mpeg\";\
		7162	src2.src = URL2;\
		7163	audio.appendChild(src2);\
		7164	audio.load();\
		7165	return;\
7653	schaersvoo	7166	};");
7614	schaersvoo	7167	break;
8224	bpr	7168
7614	schaersvoo	7169	case DRAW_HTTP:/* not used for userdraw */
		7170	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	7171	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	7172	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7173	var http_div = document.createElement(\"div\");\
		7174	var iframe = document.createElement(\"iframe\");\
		7175	canvas_div.appendChild(http_div);\
		7176	http_div.appendChild(iframe);\
		7177	iframe.src = URL;\
		7178	iframe.setAttribute(\"width\",w);\
		7179	iframe.setAttribute(\"height\",h);\
		7180	return;\
7653	schaersvoo	7181	};");
7614	schaersvoo	7182	break;
8224	bpr	7183
11238	schaersvoo	7184	case DRAW_XML: /*
		7185	onclick=1 : click
		7186	onclick=2 drag
		7187	xy:drag_type = 0;
		7188	x: drag_type = 1;
		7189	y: drag_type = 2;
		7190	*/
		7191
7614	schaersvoo	7192	fprintf(js_include_file,"\n<!-- draw xml -->\n\
11756	schaersvoo	7193	var draw_xml = function(canvas_root_id,x,y,mathml,drag_type,onclick,click_cnt,stroke_color,stroke_opacity,fill_color,fill_opacity){\
7614	schaersvoo	7194	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7195	var xml_div = document.createElement(\"div\");\
		7196	canvas_div.appendChild(xml_div);\
		7197	xml_div.innerHTML = mathml;\
8379	schaersvoo	7198	xml_div.style.color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11745	schaersvoo	7199	var color_org = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11756	schaersvoo	7200	var back_color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7201	var no_color = \"rgba(255,255,255,0)\";\
		7202	xml_div.style.position = \"absolute\"; xml_div.style.left = x+\"px\";xml_div.style.top = y+\"px\";\
11745	schaersvoo	7203	var dragging = false;\
11747	schaersvoo	7204	if( onclick == 2 ){reply[click_cnt] = px2x(x)+','+px2y(y);};\
		7205	if( onclick == 1 ){reply[click_cnt] = 0;};\
		7206	if( onclick == 2 ){\
		7207	xml_div.onclick = function(){\
11756	schaersvoo	7208	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	7209	canvas_div.onmousemove = function(evt){\
		7210	if(!dragging){return;};\
		7211	var x1;var y1;\
		7212	var mouse = dragstuff.getMouse(evt,xml_div);\
		7213	switch(drag_type){\
		7214	case 0: x1 = mouse.x;y1 = mouse.y;break;\
		7215	case 1: x1 = mouse.x;y1 = y;break;\
		7216	case 2: x1 = x;y1 = mouse.y;break;\
		7217	default:x1 = x;y1 = y; break;\
		7218	};\
		7219	if( x_use_snap_to_grid == 1 ){ x1 = snap_to_x(x1);};\
		7220	if( y_use_snap_to_grid == 1 ){ y1 = snap_to_y(y1);};\
		7221	if( use_snap_to_points != 0 ){ var xy = new Array(2);if( use_snap_to_points == 1 ){xy = snap_to_points(x1,y1);}else{xy = snap_to_fun(x1,y1);};x1 = xy[0];y1 = xy[1];};\
		7222	xml_div.style.left = x1 + 'px';xml_div.style.top = y1 + 'px';\
		7223	reply[click_cnt] = px2x(x1)+','+px2y(y1);\
11238	schaersvoo	7224	};\
7614	schaersvoo	7225	};\
11238	schaersvoo	7226	};\
		7227	if(onclick == 1){\
11747	schaersvoo	7228	xml_div.onclick = function(){\
11756	schaersvoo	7229	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	7230	};\
		7231	return;\
11745	schaersvoo	7232	};");
7614	schaersvoo	7233	break;
7654	schaersvoo	7234	case DRAW_SGRAPH:
8224	bpr	7235	/*
7654	schaersvoo	7236	xstart = given
		7237	ystart = given
		7238	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		7239	*/
		7240	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	7241	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	7242	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);};\
		7243	var ctx = obj.getContext(\"2d\");\
		7244	ctx.font = fontfamily;\
		7245	var minor_opacity = 0.8*opacity;\
		7246	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	7247	var zero_x = 0.1*xsize;\
		7248	var zero_y = 0.9*ysize;\
8129	schaersvoo	7249	var snor_x;var snor_y;\
7654	schaersvoo	7250	if( xstart != xmin){\
7658	schaersvoo	7251	snor_x = 0.1*xsize;\
		7252	}\
		7253	else\
		7254	{\
		7255	snor_x = 0;\
		7256	xstart = xmin;\
		7257	};\
		7258	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7259	ctx.lineWidth = 2;\
		7260	ctx.beginPath();\
		7261	ctx.moveTo(xsize,zero_y);\
		7262	ctx.lineTo(zero_x,zero_y);\
		7263	ctx.lineTo(zero_x,0);\
		7264	ctx.stroke();\
		7265	ctx.closePath();\
		7266	ctx.beginPath();\
		7267	ctx.moveTo(zero_x,zero_y);\
		7268	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		7269	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		7270	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		7271	ctx.lineTo(zero_x + snor_x,zero_y);\
		7272	ctx.stroke();\
		7273	ctx.closePath();\
		7274	ctx.beginPath();\
		7275	var num = xstart;\
7660	schaersvoo	7276	var flipflop = 1;\
7658	schaersvoo	7277	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	7278	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	7279	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	7280	txtsize = ctx.measureText(num).width;\
		7281	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		7282	if( flipflop == 1){\
		7283	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		7284	}\
		7285	else\
		7286	{\
		7287	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
8379	schaersvoo	7288	};\
7976	schaersvoo	7289	num = num + xmajor;\
7658	schaersvoo	7290	};\
		7291	ctx.stroke();\
		7292	ctx.closePath();\
		7293	ctx.lineWidth = 1;\
		7294	ctx.beginPath();\
		7295	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		7296	ctx.moveTo(x,zero_y);\
		7297	ctx.lineTo(x,0);\
		7298	};\
		7299	ctx.stroke();\
		7300	ctx.closePath();\
		7301	if( xminor > 1){\
		7302	ctx.lineWidth = 0.5;\
		7303	ctx.beginPath();\
		7304	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		7305	var minor_step_x = step_x / xminor;\
		7306	var nx;\
		7307	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		7308	num = 1;\
		7309	for(var p = 1 ; p < xminor ; p++){\
		7310	nx = x + num*minor_step_x;\
		7311	ctx.moveTo(nx,zero_y);\
		7312	ctx.lineTo(nx,0);\
		7313	num++;\
		7314	};\
		7315	};\
		7316	ctx.stroke();\
		7317	ctx.closePath();\
		7318	ctx.beginPath();\
		7319	ctx.lineWidth = 2;\
		7320	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7321	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		7322	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		7323	};\
		7324	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		7325	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		7326	};\
		7327	ctx.stroke();\
		7328	ctx.closePath();\
		7329	ctx.lineWidth = 0.5;\
		7330	};\
		7331	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		7332	if( ystart != ymin){\
		7333	snor_y = 0.1*ysize;\
		7334	}\
		7335	else\
		7336	{\
		7337	snor_y = 0;\
		7338	ystart = ymin;\
		7339	};\
		7340	ctx.lineWidth = 2;\
		7341	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7342	ctx.beginPath();\
		7343	ctx.moveTo(zero_x,zero_y);\
		7344	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		7345	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		7346	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		7347	ctx.lineTo(zero_x,zero_y - snor_y);\
		7348	ctx.stroke();\
		7349	ctx.closePath();\
		7350	ctx.beginPath();\
		7351	ctx.lineWidth = 1;\
		7352	num = ystart;\
		7353	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		7354	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		7355	ctx.moveTo(zero_x,y);\
		7356	ctx.lineTo(xsize,y);\
		7357	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		7358	num = num + ymajor;\
		7359	};\
		7360	ctx.stroke();\
		7361	ctx.closePath();\
		7362	if( yminor > 1){\
		7363	ctx.lineWidth = 0.5;\
		7364	ctx.beginPath();\
		7365	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		7366	var minor_step_y = step_y / yminor;\
		7367	var ny;\
		7368	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		7369	num = 1;\
		7370	for(var p = 1 ;p < yminor;p++){\
		7371	ny = y + num*minor_step_y;\
		7372	ctx.moveTo(zero_x,ny);\
		7373	ctx.lineTo(xsize,ny);\
		7374	num++;\
		7375	};\
		7376	};\
		7377	ctx.stroke();\
		7378	ctx.closePath();\
		7379	ctx.lineWidth = 2;\
		7380	ctx.beginPath();\
		7381	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7382	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		7383	ctx.moveTo(zero_x,y);\
		7384	ctx.lineTo(zero_x+12,y);\
		7385	};\
		7386	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		7387	ctx.moveTo(zero_x,y);\
		7388	ctx.lineTo(zero_x+6,y);\
		7389	};\
		7390	ctx.stroke();\
		7391	ctx.closePath();\
		7392	};\
		7393	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
11088	schaersvoo	7394	if( typeof(legend%d) !== 'undefined' ){\
7654	schaersvoo	7395	ctx.globalAlpha = 1.0;\
		7396	var y_offset = 2*font_size;\
		7397	var txt;var txt_size;\
		7398	var x_offset = xsize - 2*font_size;\
		7399	var l_length = legend%d.length;var barcolor = new Array();\
11088	schaersvoo	7400	if( typeof(legendcolors%d) !== 'undefined' ){\
7654	schaersvoo	7401	for(var p = 0 ; p < l_length ; p++){\
		7402	barcolor[p] = legendcolors%d[p];\
		7403	};\
		7404	}else{\
		7405	if( barcolor.length == 0 ){\
		7406	for(var p = 0 ; p < l_length ; p++){\
		7407	barcolor[p] = stroke_color;\
		7408	};\
		7409	};\
		7410	};\
		7411	for(var p = 0; p < l_length; p++){\
		7412	ctx.fillStyle = barcolor[p];\
		7413	txt = legend%d[p];\
		7414	txt_size = ctx.measureText(txt).width;\
		7415	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		7416	y_offset = parseInt(y_offset + 1.5*font_size);\
		7417	};\
		7418	};\
11088	schaersvoo	7419	if( typeof(xaxislabel) !== 'undefined' ){\
7658	schaersvoo	7420	ctx.fillStyle = \'#000000\';\
		7421	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		7422	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		7423	};\
11088	schaersvoo	7424	if( typeof(yaxislabel) !== 'undefined'){\
7658	schaersvoo	7425	ctx.save();\
		7426	ctx.fillStyle = \'#000000\';\
		7427	var txt_size = ctx.measureText(yaxislabel).width;\
		7428	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		7429	ctx.rotate(-0.5*Math.PI);\
		7430	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	7431	ctx.restore();\
7658	schaersvoo	7432	};\
7654	schaersvoo	7433	};\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);
		7434	break;
7614	schaersvoo	7435
		7436	case DRAW_GRID:/* not used for userdraw */
		7437	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	7438	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	7439	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);};\
		7440	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	7441	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7442	ctx.save();\
8071	schaersvoo	7443	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	7444	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		7445	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7446	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		7447	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		7448	ctx.font = font_family;\
7988	schaersvoo	7449	var barcolor = new Array();\
7614	schaersvoo	7450	var xstep = xsize*xmajor/(xmax - xmin);\
		7451	var ystep = ysize*ymajor/(ymax - ymin);\
		7452	var x2step = xstep / xminor;\
		7453	var y2step = ystep / yminor;\
7996	schaersvoo	7454	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		7455	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		7456	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
11088	schaersvoo	7457	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7458	ctx.beginPath();\
		7459	ctx.lineWidth = line_width;\
		7460	ctx.strokeStyle = stroke_color;\
		7461	for(var p = zero_x ; p < xsize; p = p + xstep){\
		7462	ctx.moveTo(p,0);\
		7463	ctx.lineTo(p,ysize);\
		7464	};\
		7465	for(var p = zero_x ; p > 0; p = p - xstep){\
		7466	ctx.moveTo(p,0);\
		7467	ctx.lineTo(p,ysize);\
		7468	};\
		7469	for(var p = zero_y ; p < ysize; p = p + ystep){\
		7470	ctx.moveTo(0,p);\
		7471	ctx.lineTo(xsize,p);\
		7472	};\
		7473	for(var p = zero_y ; p > 0; p = p - ystep){\
		7474	ctx.moveTo(0,p);\
		7475	ctx.lineTo(xsize,p);\
		7476	};\
11088	schaersvoo	7477	if( typeof(xaxislabel) !== 'undefined' ){\
7614	schaersvoo	7478	ctx.save();\
		7479	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		7480	var corr = ctx.measureText(xaxislabel).width;\
		7481	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		7482	ctx.restore();\
		7483	};\
11088	schaersvoo	7484	if( typeof(yaxislabel) !== 'undefined' ){\
7614	schaersvoo	7485	ctx.save();\
		7486	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	7487	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	7488	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		7489	ctx.rotate(-0.5*Math.PI);\
		7490	ctx.fillText(yaxislabel,0,0);\
		7491	ctx.restore();\
		7492	};\
		7493	ctx.stroke();\
		7494	ctx.closePath();\
		7495	if( use_axis == 1 ){\
7988	schaersvoo	7496	ctx.save();\
7614	schaersvoo	7497	ctx.beginPath();\
		7498	ctx.strokeStyle = stroke_color;\
		7499	ctx.lineWidth = 0.6*line_width;\
		7500	for(var p = zero_x ; p < xsize; p = p + x2step){\
		7501	ctx.moveTo(p,0);\
		7502	ctx.lineTo(p,ysize);\
		7503	};\
		7504	for(var p = zero_x ; p > 0; p = p - x2step){\
		7505	ctx.moveTo(p,0);\
		7506	ctx.lineTo(p,ysize);\
		7507	};\
		7508	for(var p = zero_y ; p < ysize; p = p + y2step){\
		7509	ctx.moveTo(0,p);\
		7510	ctx.lineTo(xsize,p);\
		7511	};\
		7512	for(var p = zero_y ; p > 0; p = p - y2step){\
		7513	ctx.moveTo(0,p);\
		7514	ctx.lineTo(xsize,p);\
		7515	};\
		7516	ctx.stroke();\
		7517	ctx.closePath();\
		7518	ctx.beginPath();\
		7519	ctx.lineWidth = 2*line_width;\
		7520	ctx.strokeStyle = axis_color;\
		7521	ctx.moveTo(0,zero_y);\
		7522	ctx.lineTo(xsize,zero_y);\
		7523	ctx.moveTo(zero_x,0);\
		7524	ctx.lineTo(zero_x,ysize);\
		7525	ctx.stroke();\
		7526	ctx.closePath();\
		7527	ctx.lineWidth = line_width+0.5;\
		7528	ctx.beginPath();\
		7529	for(var p = zero_x ; p < xsize; p = p + xstep){\
		7530	ctx.moveTo(p,zero_y-tics_length);\
		7531	ctx.lineTo(p,zero_y+tics_length);\
		7532	};\
		7533	for(var p = zero_x ; p > 0; p = p - xstep){\
		7534	ctx.moveTo(p,zero_y-tics_length);\
		7535	ctx.lineTo(p,zero_y+tics_length);\
		7536	};\
		7537	for(var p = zero_y ; p < ysize; p = p + ystep){\
		7538	ctx.moveTo(zero_x-tics_length,p);\
		7539	ctx.lineTo(zero_x+tics_length,p);\
		7540	};\
		7541	for(var p = zero_y ; p > 0; p = p - ystep){\
		7542	ctx.moveTo(zero_x-tics_length,p);\
		7543	ctx.lineTo(zero_x+tics_length,p);\
		7544	};\
		7545	for(var p = zero_x ; p < xsize; p = p + x2step){\
		7546	ctx.moveTo(p,zero_y-0.5*tics_length);\
		7547	ctx.lineTo(p,zero_y+0.5*tics_length);\
		7548	};\
		7549	for(var p = zero_x ; p > 0; p = p - x2step){\
		7550	ctx.moveTo(p,zero_y-0.5*tics_length);\
		7551	ctx.lineTo(p,zero_y+0.5*tics_length);\
		7552	};\
		7553	for(var p = zero_y ; p < ysize; p = p + y2step){\
		7554	ctx.moveTo(zero_x-0.5*tics_length,p);\
		7555	ctx.lineTo(zero_x+0.5*tics_length,p);\
		7556	};\
		7557	for(var p = zero_y ; p > 0; p = p - y2step){\
		7558	ctx.moveTo(zero_x-0.5*tics_length,p);\
		7559	ctx.lineTo(zero_x+0.5*tics_length,p);\
		7560	};\
		7561	ctx.stroke();\
		7562	ctx.closePath();\
7988	schaersvoo	7563	ctx.restore();\
		7564	};\
		7565	if( use_axis_numbering == 1 ){\
		7566	ctx.save();\
		7567	ctx.fillColor = axis_color;\
8110	schaersvoo	7568	ctx.strokeStyle = axis_color;\
		7569	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	7570	ctx.font = font_family;\
		7571	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		7572	if( x_strings != null ){\
		7573	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	7574	ctx.beginPath();\
9341	schaersvoo	7575	if( x_strings_up == null){\
		7576	for(var p = 0 ; p < len ; p = p+2){\
		7577	var x_nums = x2px(eval(x_strings[p]));\
		7578	var x_text = x_strings[p+1];\
		7579	corr = ctx.measureText(x_text).width;\
		7580	skip = 1.2*corr/xstep;\
		7581	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		7582	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		7583	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		7584	ctx.moveTo(x_nums,zero_y - tics_length);\
		7585	ctx.lineTo(x_nums,zero_y + tics_length);\
		7586	};\
		7587	}\
		7588	else\
		7589	{\
		7590	for(var p = 0 ; p < len ; p = p+2){\
		7591	var x_nums = x2px(eval(x_strings[p]));\
		7592	var x_text = x_strings[p+1];\
		7593	corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
		7594	if( corr > ysize ){corr = ysize;};\
		7595	ctx.save();\
9346	schaersvoo	7596	ctx.translate(x_nums+0.25*font_size, corr);\
9341	schaersvoo	7597	ctx.rotate(-1.5708);\
		7598	ctx.fillText(x_text,0,0);\
		7599	ctx.restore();\
		7600	ctx.moveTo(x_nums,zero_y - tics_length);\
		7601	ctx.lineTo(x_nums,zero_y + tics_length);\
		7602	};\
7988	schaersvoo	7603	};\
8110	schaersvoo	7604	ctx.closePath();\
7988	schaersvoo	7605	}\
		7606	else\
		7607	{\
		7608	skip = 1;cnt = px2x(zero_x);\
		7609	prec = Math.log(precision)/(Math.log(10));\
		7610	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		7611	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		7612	if(skip == 0 ){\
7990	schaersvoo	7613	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7614	corr = ctx.measureText(disp_cnt).width;\
		7615	skip = parseInt(1.2*corr/xstep);\
		7616	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	7617	}\
7988	schaersvoo	7618	else\
		7619	{\
		7620	skip--;\
7614	schaersvoo	7621	};\
7988	schaersvoo	7622	cnt = cnt + xmajor;\
7614	schaersvoo	7623	};\
7988	schaersvoo	7624	cnt = px2x(zero_x);skip = 1;\
		7625	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		7626	if(skip == 0 ){\
7990	schaersvoo	7627	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7628	corr = ctx.measureText(disp_cnt).width;\
		7629	skip = parseInt(1.2*corr/xstep);\
		7630	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		7631	}\
		7632	else\
		7633	{\
		7634	skip--;\
7614	schaersvoo	7635	};\
7988	schaersvoo	7636	cnt = cnt - xmajor;\
7614	schaersvoo	7637	};\
		7638	};\
7988	schaersvoo	7639	if( y_strings != null ){\
		7640	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	7641	ctx.beginPath();\
7988	schaersvoo	7642	for(var p = 0 ; p < len ; p = p+2){\
		7643	var y_nums = y2px(eval(y_strings[p]));\
		7644	var y_text = y_strings[p+1];\
		7645	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		7646	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	7647	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		7648	ctx.moveTo(zero_x - tics_length,y_nums);\
		7649	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	7650	};\
8110	schaersvoo	7651	ctx.closePath();\
7988	schaersvoo	7652	}\
		7653	else\
		7654	{\
7991	schaersvoo	7655	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	7656	cnt = px2y(zero_y);skip = 1;\
		7657	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		7658	if(skip == 0 ){\
		7659	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	7660	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7661	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		7662	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		7663	}\
		7664	else\
		7665	{\
		7666	skip--;\
		7667	};\
		7668	cnt = cnt - ymajor;\
7614	schaersvoo	7669	};\
7988	schaersvoo	7670	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	7671	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	7672	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		7673	if(skip == 0 ){\
		7674	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	7675	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7676	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		7677	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		7678	}\
		7679	else\
		7680	{\
		7681	skip--;\
		7682	};\
		7683	cnt = cnt + ymajor;\
7614	schaersvoo	7684	};\
		7685	};\
7988	schaersvoo	7686	ctx.stroke();\
7614	schaersvoo	7687	ctx.restore();\
		7688	};\
11088	schaersvoo	7689	if( typeof(legend0) !== 'undefined' ){\
7988	schaersvoo	7690	ctx.save();\
7614	schaersvoo	7691	ctx.globalAlpha = 1.0;\
		7692	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		7693	var y_offset = 2*font_size;\
		7694	var txt;var txt_size;\
		7695	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	7696	var l_length = legend0.length;\
11088	schaersvoo	7697	if( typeof(legendcolors0) !== 'undefined' ){\
7614	schaersvoo	7698	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	7699	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	7700	};\
7988	schaersvoo	7701	}\
		7702	else\
		7703	{\
7614	schaersvoo	7704	if( barcolor.length == 0 ){\
		7705	for(var p = 0 ; p < l_length ; p++){\
		7706	barcolor[p] = stroke_color;\
		7707	};\
		7708	};\
		7709	};\
		7710	for(var p = 0; p < l_length; p++){\
		7711	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	7712	txt = legend0[p];\
7614	schaersvoo	7713	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	7714	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	7715	y_offset = parseInt(y_offset + 1.5*font_size);\
		7716	};\
7988	schaersvoo	7717	ctx.restore();\
7614	schaersvoo	7718	};\
11088	schaersvoo	7719	if( typeof(barchart_0) !== 'undefined' ){\
7991	schaersvoo	7720	ctx.save();\
		7721	var num_barcharts = 0;\
		7722	var bar_name = eval('barchart_0');\
11088	schaersvoo	7723	while( typeof(bar_name) !== 'undefined' ){\
7991	schaersvoo	7724	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		7725	};\
9346	schaersvoo	7726	var bar_width = parseInt(0.8*x2step/(num_barcharts));\
7991	schaersvoo	7727	for(var i=0 ; i< num_barcharts ; i++){\
		7728	bar_name = eval('barchart_'+i);\
		7729	var bar_x = new Array();\
		7730	var bar_y = new Array();\
		7731	var lb = bar_name.length;\
		7732	var idx = 0;\
		7733	var dx = parseInt(0.5ibar_width);\
		7734	for( var p = 0 ; p < lb ; p = p + 3 ){\
		7735	bar_x[idx] = x2px(bar_name[p]);\
		7736	bar_y[idx] = y2px(bar_name[p+1]);\
		7737	barcolor[idx] = bar_name[p+2];\
		7738	idx++;\
		7739	};\
		7740	ctx.globalAlpha = fill_opacity;\
		7741	for( var p = 0; p < idx ; p++ ){\
11739	schaersvoo	7742	ctx.beginPath();\
7991	schaersvoo	7743	ctx.strokeStyle = barcolor[p];\
		7744	ctx.fillStyle = barcolor[p];\
9346	schaersvoo	7745	ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
11739	schaersvoo	7746	ctx.fill();\
		7747	ctx.stroke();\
		7748	ctx.closePath();\
7991	schaersvoo	7749	};\
		7750	};\
		7751	ctx.restore();\
		7752	};\
11088	schaersvoo	7753	if( typeof(linegraph_0) !== 'undefined' ){\
7996	schaersvoo	7754	ctx.save();\
		7755	ctx.globalAlpha = 1.0;\
		7756	var i = 0;\
		7757	var line_name = eval('linegraph_'+i);\
11088	schaersvoo	7758	while ( typeof(line_name) !== 'undefined' ){\
7996	schaersvoo	7759	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		7760	ctx.lineWidth = parseInt(line_name[1]);\
		7761	if(line_name[2] == \"1\"){\
		7762	var d1 = parseInt(line_name[3]);\
		7763	var d2 = parseInt(line_name[4]);\
		7764	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		7765	}\
		7766	else\
		7767	{\
		7768	if(ctx.setLineDash){ctx.setLineDash = null;}\
		7769	if(ctx.mozDash){ctx.mozDash = null;}\
		7770	};\
		7771	var data_x = new Array();\
		7772	var data_y = new Array();\
		7773	var lb = line_name.length;\
		7774	var idx = 0;\
		7775	for( var p = 5 ; p < lb ; p = p + 2 ){\
		7776	data_x[idx] = x2px(line_name[p]);\
		7777	data_y[idx] = y2px(line_name[p+1]);\
		7778	idx++;\
		7779	};\
		7780	for( var p = 0; p < idx ; p++){\
		7781	ctx.beginPath();\
		7782	ctx.moveTo(data_x[p],data_y[p]);\
		7783	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		7784	ctx.stroke();\
		7785	ctx.closePath();\
		7786	};\
		7787	i++;\
		7788	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		7789	};\
		7790	ctx.restore();\
		7791	};\
7614	schaersvoo	7792	return;\
7989	schaersvoo	7793	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	7794	break;
8224	bpr	7795
7614	schaersvoo	7796	case DRAW_PIECHART:
7987	schaersvoo	7797	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	7798	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	7799	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7800	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7801	}\
		7802	else\
		7803	{\
		7804	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7805	};\
		7806	var ld = data_color_list.length;\
		7807	var sum = 0;\
		7808	var idx = 0;\
7956	schaersvoo	7809	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	7810	var colors = new Array();\
		7811	var data = new Array();\
		7812	for(var p = 0;p < ld; p = p + 2){\
		7813	data[idx] = parseFloat(data_color_list[p]);\
		7814	sum = sum + data[idx];\
		7815	colors[idx] = data_color_list[p+1];\
		7816	idx++;\
		7817	};\
		7818	var ctx = obj.getContext(\"2d\");\
		7819	ctx.save();\
		7820	var angle;\
		7821	var angle_end = 0;\
		7822	var offset = Math.PI / 2;\
		7823	ctx.globalAlpha = fill_opacity;\
		7824	for(var p=0; p < idx; p++){\
		7825	ctx.beginPath();\
		7826	ctx.fillStyle = colors[p];\
		7827	ctx.moveTo(x_center,y_center);\
		7828	angle = Math.PI * (2 * data[p] / sum);\
		7829	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		7830	ctx.lineTo(x_center, y_center);\
		7831	ctx.fill();\
		7832	ctx.closePath();\
		7833	angle_end = angle_end + angle;\
		7834	};\
11088	schaersvoo	7835	if(typeof(legend0) !== 'undefined'){\
7956	schaersvoo	7836	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	7837	ctx.globalAlpha = 1.0;\
7956	schaersvoo	7838	ctx.font = font_family;\
7614	schaersvoo	7839	var y_offset = font_size; \
		7840	var x_offset = 0;\
		7841	var txt;var txt_size;\
		7842	for(var p = 0; p < idx; p++){\
		7843	ctx.fillStyle = colors[p];\
7956	schaersvoo	7844	txt = legenda[p];\
7614	schaersvoo	7845	txt_size = ctx.measureText(txt).width;\
		7846	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	7847	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	7848	y_offset = parseInt(y_offset + 1.5*font_size);\
		7849	};\
		7850	};\
		7851	ctx.restore();\
7956	schaersvoo	7852	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	7853
7614	schaersvoo	7854	break;
9433	schaersvoo	7855	case DRAW_JSBOXPLOT:
		7856	fprintf(js_include_file,"\n<!-- draw jsboxplots -->\n\
		7857	function statistics(data){\
		7858	var len = data.length;\
		7859	var min = 10000000;\
		7860	var max = -10000000;\
		7861	var sum = 0;var d;\
		7862	for(var i=0;i<len;i++){\
		7863	d = data[i];\
		7864	if(d < min){min = d;}else{if(d > max){max = d;};};\
		7865	sum+= parseFloat(data[i]);\
		7866	};\
		7867	var mean = parseFloat(sum/len);\
		7868	var variance = 0;\
		7869	for(var i=0;i<len;i++){\
		7870	d = data[i];\
		7871	variance += (d - mean)*(d - mean);\
		7872	};\
		7873	variance = parseFloat(variance / len);\
		7874	var std = Math.sqrt(variance);\
		7875	data.sort(function(a,b){return a - b;});\
		7876	var median;var Q1;var Q3;\
		7877	var half = Math.floor(0.5*len);\
		7878	var q1 = Math.floor(0.25*len);\
		7879	var q3 = Math.floor(0.75*len);\
		7880	var half = Math.floor(0.5*len);\
		7881	if(len %%2 == 1){\
		7882	median = data[half];\
		7883	Q1 = data[q1];\
		7884	Q3 = data[q3];\
		7885	}\
		7886	else\
		7887	{\
		7888	median = (data[half - 1] + data[half] )/2;\
		7889	Q1 = (data[q1 - 1] + data[q1] )/2;\
		7890	Q3 = (data[q3 - 1] + data[q3] )/2;\
		7891	};\
		7892	return [min,Q1,median,Q3,max];\
		7893	};");
		7894	break;
		7895	case DRAW_BOXPLOT:
		7896	fprintf(js_include_file,"\n<!-- draw boxplots -->\n\
9465	schaersvoo	7897	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){\
9433	schaersvoo	7898	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7899	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7900	}\
		7901	else\
		7902	{\
		7903	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7904	};\
		7905	var ctx = obj.getContext(\"2d\");\
		7906	ctx.clearRect(0,0,xsize,ysize);\
		7907	ctx.save();\
		7908	ctx.lineWidth = line_width;\
11088	schaersvoo	7909	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
9433	schaersvoo	7910	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7911	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7912	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		7913	var hh = 0.25*hw;\
9465	schaersvoo	7914	switch(boxplot_source){\
11088	schaersvoo	7915	case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
		7916	case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
		7917	case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
9465	schaersvoo	7918	default: break;\
9433	schaersvoo	7919	};\
		7920	var min,Q1,median,Q3,max;\
		7921	if(xy == 1 ){\
		7922	min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
		7923	hh = Math.abs(y2px(hh) - y2px(ystart));\
		7924	hw = Math.abs(y2px(hw) - y2px(ystart));\
		7925	cxy = y2px(cxy);\
9465	schaersvoo	7926	ctx.beginPath();\
9433	schaersvoo	7927	ctx.moveTo(min,cxy);\
		7928	ctx.lineTo(Q1,cxy);\
		7929	ctx.moveTo(Q3,cxy);\
		7930	ctx.lineTo(max,cxy);\
		7931	ctx.moveTo(min,cxy+hh);\
		7932	ctx.lineTo(min,cxy-hh);\
		7933	ctx.moveTo(max,cxy+hh);\
		7934	ctx.lineTo(max,cxy-hh);\
9465	schaersvoo	7935	ctx.closePath();\
		7936	ctx.stroke();\
		7937	ctx.beginPath();\
9433	schaersvoo	7938	ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
9465	schaersvoo	7939	ctx.closePath();\
		7940	if( use_filled == 1 ){\
		7941	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+fill_opacity+\")\";\
		7942	ctx.fill();\
		7943	};\
		7944	ctx.stroke();\
		7945	ctx.beginPath();\
9433	schaersvoo	7946	ctx.rect(median,cxy-2*hh,Q3-median,hw);\
9465	schaersvoo	7947	ctx.closePath();\
		7948	if( use_filled == 1 ){\
		7949	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7950	ctx.fill();\
		7951	};\
		7952	ctx.stroke();\
9433	schaersvoo	7953	}else{\
		7954	min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
		7955	hh = Math.abs(x2px(hh) - x2px(xstart));\
		7956	hw = Math.abs(x2px(hw) - x2px(xstart));\
		7957	cxy = x2px(cxy);\
9465	schaersvoo	7958	ctx.beginPath();\
9433	schaersvoo	7959	ctx.moveTo(cxy,min);\
		7960	ctx.lineTo(cxy,Q1);\
		7961	ctx.moveTo(cxy,Q3);\
		7962	ctx.lineTo(cxy,max);\
		7963	ctx.moveTo(cxy + hh,min);\
		7964	ctx.lineTo(cxy - hh,min);\
		7965	ctx.moveTo(cxy + hh,max);\
		7966	ctx.lineTo(cxy - hh,max);\
9465	schaersvoo	7967	ctx.closePath;\
		7968	ctx.stroke();\
		7969	ctx.beginPath();\
9433	schaersvoo	7970	ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
9465	schaersvoo	7971	ctx.closePath();\
		7972	if( use_filled == 1 ){\
		7973	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+fill_opacity+\")\";\
		7974	ctx.fill();\
		7975	};\
		7976	ctx.stroke();\
		7977	ctx.beginPath();\
9433	schaersvoo	7978	ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
9465	schaersvoo	7979	ctx.closePath();\
		7980	if( use_filled == 1 ){\
		7981	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7982	ctx.fill();\
		7983	};\
		7984	ctx.stroke();\
9433	schaersvoo	7985	};\
		7986	ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
		7987	break;
7614	schaersvoo	7988	case DRAW_ARCS:
		7989	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	7990	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	7991	ctx.save();\
		7992	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	7993	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	7994	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		7995	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	7996	start = 360 - start;\
		7997	end = 360 - end;\
7614	schaersvoo	7998	ctx.lineWidth = line_width;\
11088	schaersvoo	7999	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8000	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	8001	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		8002	ctx.beginPath();\
		8003	ctx.moveTo(xc,yc);\
		8004	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		8005	ctx.lineTo(xc,yc);\
		8006	ctx.closePath();\
7614	schaersvoo	8007	if( use_filled == 1 ){\
		8008	ctx.fill();\
8071	schaersvoo	8009	};\
		8010	ctx.stroke();\
7614	schaersvoo	8011	ctx.restore();\
8071	schaersvoo	8012	};");
8224	bpr	8013
7614	schaersvoo	8014	break;
7983	schaersvoo	8015	case DRAW_CENTERSTRING:
		8016	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	8017	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	8018	var obj;\
		8019	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8020	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8021	}\
		8022	else\
		8023	{\
		8024	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8025	};\
		8026	var ctx = obj.getContext(\"2d\");\
		8027	ctx.save();\
9481	schaersvoo	8028	ctx.clearRect(0,0,xsize,ysize);\
7983	schaersvoo	8029	ctx.font = font_family;\
		8030	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8031	var stringwidth = ctx.measureText(text).width;\
		8032	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		8033	ctx.fillText(text,x,y2px(y));\
9481	schaersvoo	8034	ctx.restore();\
7983	schaersvoo	8035	return;\
		8036	};",canvas_root_id,canvas_root_id,canvas_root_id);
		8037	break;
7614	schaersvoo	8038	case DRAW_TEXTS:
		8039	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	8040	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){\
7614	schaersvoo	8041	var obj;\
		8042	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8043	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8044	}\
		8045	else\
		8046	{\
		8047	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8048	};\
		8049	var ctx = obj.getContext(\"2d\");\
9868	schaersvoo	8050	if( font_family != 'null' ){\
		8051	ctx.font = font_family;\
		8052	}\
		8053	else\
		8054	{\
		8055	ctx.font = font_size+'px Ariel';\
		8056	};\
7614	schaersvoo	8057	if(angle2 == 0 && angle != 0){\
		8058	ctx.save();\
8071	schaersvoo	8059	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	8060	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		8061	};\
		8062	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8063	if(angle2 != 0){\
		8064	ctx.save();\
		8065	ctx.translate(x,y);\
		8066	ctx.rotate((360-angle2)*(Math.PI / 180));\
		8067	ctx.fillText(text,0,0);\
		8068	ctx.restore();\
		8069	}else{ctx.fillText(text,x,y);};\
		8070	ctx.restore();\
		8071	return;\
7653	schaersvoo	8072	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8073	break;
		8074	case DRAW_CURVE:
		8075	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	8076	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	8077	var obj;\
		8078	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8079	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8080	}\
		8081	else\
		8082	{\
		8083	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8084	};\
		8085	var ctx = obj.getContext(\"2d\");\
		8086	ctx.save();\
8071	schaersvoo	8087	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	8088	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		8089	ctx.beginPath();ctx.lineWidth = line_width;\
11088	schaersvoo	8090	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8091	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		8092	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8093	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		8094	for(var p = 1 ; p < x_points.length ; p++){\
		8095	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		8096	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		8097	}\
		8098	else\
		8099	{\
		8100	ctx.stroke();\
		8101	ctx.beginPath();\
		8102	p++;\
		8103	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		8104	};\
		8105	};\
		8106	ctx.stroke();\
		8107	ctx.restore();\
7653	schaersvoo	8108	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8109	break;
8224	bpr	8110
7614	schaersvoo	8111	case DRAW_INPUTS:
		8112	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
11803	schaersvoo	8113	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value,use_offset){\
7614	schaersvoo	8114	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		8115	var input = document.createElement(\"input\");\
		8116	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		8117	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		8118	input.setAttribute(\"size\",size);\
		8119	input.setAttribute(\"value\",value);\
7877	schaersvoo	8120	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
11803	schaersvoo	8121	canvas_div.appendChild(input);\
		8122	if(use_offset != 0 ){ center_input('canvas_input'+input_cnt,x,y,style);};\
		8123	};\
		8124	function center_input(id,x,y,style){\
		8125	var inp = document.getElementById(id);\
		8126	var pos = inp.getBoundingClientRect();\
		8127	var center_x = parseInt(x - 0.5*(pos.width));\
		8128	var center_y = parseInt(y - 0.5*(pos.height));\
		8129	try{ inp.setAttribute(\"style\",\"position:absolute;left:\"+center_x+\"px;top:\"+center_y+\"px;\"+style );}\
		8130	catch(e){return;};\
		8131	};");
7614	schaersvoo	8132	break;
8224	bpr	8133
7614	schaersvoo	8134	case DRAW_TEXTAREAS:
		8135	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	8136	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	8137	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		8138	var textarea = document.createElement(\"textarea\");\
		8139	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		8140	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		8141	textarea.setAttribute(\"cols\",cols);\
		8142	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	8143	textarea.value = value;\
		8144	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	8145	canvas_div.appendChild(textarea);};");
7614	schaersvoo	8146	break;
8224	bpr	8147
7614	schaersvoo	8148	case DRAW_PIXELS:
		8149	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	8150	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	8151	var canvas = create_canvas%d(10,xsize,ysize);\
		8152	var d = 0.5*pixelsize;\
		8153	var ctx = canvas.getContext(\"2d\");\
9462	schaersvoo	8154	if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
7614	schaersvoo	8155	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		8156	ctx.clearRect(0,0,xsize,ysize);\
		8157	for(var p=0; p<x.length;p++){\
		8158	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		8159	};\
		8160	ctx.fill();ctx.stroke();\
		8161	};",canvas_root_id);
		8162	break;
		8163
		8164	case DRAW_CLOCK:
		8165	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		8166	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		8167	var clock_ctx = clock_canvas.getContext(\"2d\");\
		8168	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	8169	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	8170	clock_ctx.save();\
7997	schaersvoo	8171	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	8172	this.type = type \|\| 0;\
		8173	this.interaction = interaction \|\| 0;\
7862	schaersvoo	8174	this.H = H;\
		8175	this.M = M;\
		8176	this.S = S;\
7614	schaersvoo	8177	this.xc = xc \|\| xsize/2;\
		8178	this.yc = yc \|\| ysize/2;\
		8179	this.radius = radius \|\| xsize/4;\
		8180	var font_size = parseInt(0.2*this.radius);\
		8181	this.H_color = h_color \|\| \"blue\";\
		8182	this.M_color = m_color \|\| \"blue\";\
		8183	this.S_color = s_color \|\| \"blue\";\
		8184	this.fg_color = fg_color \|\| \"red\";\
		8185	this.bg_color = bg_color \|\| \"white\";\
		8186	clock_ctx.translate(this.xc,this.yc);\
		8187	clock_ctx.beginPath();\
		8188	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		8189	clock_ctx.fillStyle = this.bg_color;\
		8190	clock_ctx.fill();\
		8191	clock_ctx.closePath();\
		8192	clock_ctx.beginPath();\
		8193	clock_ctx.font = font_size+\"px Arial\";\
		8194	clock_ctx.fillStyle = this.fg_color;\
		8195	clock_ctx.textAlign = \"center\";\
		8196	clock_ctx.textBaseline = 'middle';\
		8197	var angle;var x1,y1,x2,y2;\
		8198	var angle_cos;var angle_sin;\
7997	schaersvoo	8199	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	8200	switch(type){\
		8201	case 0:clock_ctx.beginPath();\
		8202	for(var p = 1; p <= 12 ; p++){\
		8203	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		8204	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		8205	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8206	clock_ctx.moveTo(x1,y1);\
		8207	clock_ctx.lineTo(x2,y2);\
		8208	};\
		8209	for(var p = 1; p <= 60 ; p++){\
		8210	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		8211	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		8212	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8213	clock_ctx.moveTo(x1,y1);\
		8214	clock_ctx.lineTo(x2,y2);\
		8215	};\
		8216	clock_ctx.closePath();\
		8217	clock_ctx.stroke();\
		8218	break;\
		8219	case 1:\
		8220	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	8221	case 2:\
		8222	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	8223	clock_ctx.beginPath();\
		8224	for(var p = 1; p <= 12 ; p++){\
		8225	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		8226	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		8227	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8228	clock_ctx.moveTo(x1,y1);\
		8229	clock_ctx.lineTo(x2,y2);\
		8230	};\
		8231	for(var p = 1; p <= 60 ; p++){\
		8232	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		8233	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		8234	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8235	clock_ctx.moveTo(x1,y1);\
		8236	clock_ctx.lineTo(x2,y2);\
		8237	};\
		8238	clock_ctx.closePath();\
		8239	clock_ctx.stroke();\
		8240	break;\
		8241	};\
		8242	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		8243	clock_ctx.rotate(angle);\
		8244	clock_ctx.beginPath();\
		8245	clock_ctx.moveTo(-3, -2);\
		8246	clock_ctx.lineTo(-3, 2);\
11026	bpr	8247	clock_ctx.lineTo(this.radius * 0.6, 1);\
		8248	clock_ctx.lineTo(this.radius * 0.6, -1);\
7614	schaersvoo	8249	clock_ctx.fillStyle = this.H_color;\
		8250	clock_ctx.fill();\
		8251	clock_ctx.rotate(-angle);\
		8252	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		8253	clock_ctx.rotate(angle);\
		8254	clock_ctx.beginPath();\
		8255	clock_ctx.moveTo(-3, -2);\
		8256	clock_ctx.lineTo(-3, 2);\
		8257	clock_ctx.lineTo(this.radius * 0.8, 1);\
		8258	clock_ctx.lineTo(this.radius * 0.8, -1);\
		8259	clock_ctx.fillStyle = this.M_color;\
		8260	clock_ctx.fill();\
		8261	clock_ctx.rotate(-angle);\
		8262	angle = (this.S - 15) * 2 * Math.PI / 60;\
		8263	clock_ctx.rotate(angle);\
		8264	clock_ctx.beginPath();\
		8265	clock_ctx.moveTo(0,0);\
11026	bpr	8266	clock_ctx.lineTo(this.radius * 0.9, 1);\
		8267	clock_ctx.lineTo(this.radius * 0.9, -1);\
7614	schaersvoo	8268	clock_ctx.strokeStyle = this.S_color;\
		8269	clock_ctx.stroke();\
		8270	clock_ctx.restore();\
7653	schaersvoo	8271	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	8272	break;
		8273
		8274	case DRAW_LATTICE:
		8275	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	8276	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){\
7614	schaersvoo	8277	var obj;\
		8278	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8279	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8280	}\
		8281	else\
		8282	{\
		8283	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8284	};\
		8285	var ctx = obj.getContext(\"2d\");\
		8286	ctx.save();\
8071	schaersvoo	8287	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	8288	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		8289	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8290	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8291	var radius = line_width;\
		8292	var x = 0;\
		8293	var y = 0;\
		8294	var x_step_px = xsize/(xmax-xmin);\
		8295	var y_step_px = ysize/(ymax-ymin);\
		8296	var xv1 = dx1*x_step_px;\
		8297	var yv1 = dy1*y_step_px;\
		8298	var xv2 = dx2*x_step_px;\
		8299	var yv2 = dy2*y_step_px;\
		8300	for(var p = 0; p < n1 ;p++){\
		8301	x = p*xv1 + x0;\
		8302	y = p*yv1 + y0;\
		8303	for(var c = 0; c < n2 ; c++){\
		8304	ctx.beginPath();\
		8305	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		8306	ctx.fill();\
		8307	ctx.stroke();\
		8308	ctx.closePath();\
		8309	};\
		8310	};\
		8311	ctx.restore();\
		8312	return;\
7653	schaersvoo	8313	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8314	break;
7735	schaersvoo	8315	case DRAW_XYLOGSCALE:
		8316	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	8317	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	8318	var obj;\
		8319	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8320	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8321	}\
		8322	else\
		8323	{\
		8324	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8325	};\
		8326	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	8327	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8328	ctx.save();\
7739	schaersvoo	8329	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	8330	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		8331	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		8332	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		8333	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	8334	if(use_axis_numbering == 1){\
7956	schaersvoo	8335	ctx.font = font_family;\
		8336	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		8337	ymarge = parseInt(1.5*font_size);\
		8338	ctx.save();\
		8339	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8340	ctx.rect(0,0,xmarge,ysize);\
		8341	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8342	ctx.fill();\
		8343	ctx.restore();\
		8344	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8345	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8346	ctx.save();\
		8347	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8348	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8349	corr = ctx.measureText(xaxislabel).width;\
		8350	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8351	ctx.restore();\
		8352	};\
11088	schaersvoo	8353	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8354	ctx.save();\
		8355	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8356	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8357	corr = ctx.measureText(yaxislabel).width;\
		8358	ctx.translate(xmarge+font_size,corr+font_size);\
		8359	ctx.rotate(-0.5*Math.PI);\
		8360	ctx.fillText(yaxislabel,0,0);\
		8361	ctx.restore();\
		8362	};\
		8363	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8364	ctx.lineWidth = line_width;\
		8365	for(var p = x_min; p <= x_max ; p++){\
		8366	num = Math.pow(xlogbase,p);\
		8367	for(var i = 1 ; i < xlogbase ; i++){\
		8368	x_e = x2px(i*num);\
7735	schaersvoo	8369	if( i == 1 ){\
7956	schaersvoo	8370	ctx.lineWidth = line_width;\
		8371	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	8372	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	8373	xtxt = xlogbase+'^'+p.toFixed(0);\
		8374	corr = 0.5*(ctx.measureText(xtxt).width);\
		8375	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		8376	};\
7735	schaersvoo	8377	}else{\
7956	schaersvoo	8378	ctx.lineWidth = 0.2*line_width;\
		8379	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8380	};\
7738	schaersvoo	8381	if( x_e >= xmarge ){\
7956	schaersvoo	8382	ctx.beginPath();\
		8383	ctx.moveTo(x_e,0);\
		8384	ctx.lineTo(x_e,ysize - ymarge);\
		8385	ctx.stroke();\
		8386	ctx.closePath();\
7738	schaersvoo	8387	};\
7956	schaersvoo	8388	};\
		8389	};\
		8390	for(var p = y_min; p <= y_max ; p++){\
		8391	num = Math.pow(ylogbase,p);\
		8392	for(var i = 1 ; i < ylogbase ; i++){\
		8393	y_e = y2px(i*num);\
		8394	if( i == 1 ){\
		8395	ctx.lineWidth = line_width;\
7735	schaersvoo	8396	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8397	if( use_axis_numbering == 1 && p > y_min){\
		8398	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		8399	};\
		8400	}else{\
		8401	ctx.lineWidth = 0.2*line_width;\
		8402	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8403	};\
		8404	ctx.beginPath();\
		8405	ctx.moveTo(xmarge,y_e);\
		8406	ctx.lineTo(xsize,y_e);\
		8407	ctx.stroke();\
		8408	ctx.closePath();\
		8409	};\
		8410	};\
7735	schaersvoo	8411	ctx.restore();\
		8412	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		8413	break;
7614	schaersvoo	8414
7735	schaersvoo	8415	case DRAW_XLOGSCALE:
		8416	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	8417	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	8418	var obj;\
		8419	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8420	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8421	}\
		8422	else\
		8423	{\
		8424	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8425	};\
		8426	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	8427	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8428	ctx.save();\
		8429	ctx.lineWidth = line_width;\
7739	schaersvoo	8430	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	8431	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		8432	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		8433	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	8434	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		8435	if(use_axis_numbering == 1){\
7956	schaersvoo	8436	ctx.font = font_family;\
		8437	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		8438	ymarge = parseInt(1.5*font_size);\
		8439	ctx.save();\
		8440	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8441	ctx.rect(0,0,xmarge,ysize);\
		8442	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8443	ctx.fill();\
		8444	ctx.restore();\
		8445	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8446	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8447	ctx.save();\
		8448	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8449	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8450	corr = ctx.measureText(xaxislabel).width;\
		8451	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8452	ctx.restore();\
		8453	};\
11088	schaersvoo	8454	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8455	ctx.save();\
		8456	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8457	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8458	corr = ctx.measureText(yaxislabel).width;\
		8459	ctx.translate(xmarge+font_size,corr+font_size);\
		8460	ctx.rotate(-0.5*Math.PI);\
		8461	ctx.fillText(yaxislabel,0,0);\
		8462	ctx.restore();\
		8463	};\
		8464	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8465	ctx.lineWidth = line_width;\
		8466	for(var p = x_min; p <= x_max ; p++){\
		8467	num = Math.pow(xlogbase,p);\
		8468	for(var i = 1 ; i < xlogbase ; i++){\
		8469	x_e = x2px(i*num);\
7735	schaersvoo	8470	if( i == 1 ){\
7956	schaersvoo	8471	ctx.lineWidth = line_width;\
7739	schaersvoo	8472	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		8473	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	8474	xtxt = xlogbase+'^'+p.toFixed(0);\
		8475	corr = 0.5*(ctx.measureText(xtxt).width);\
		8476	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		8477	};\
		8478	}else{\
7956	schaersvoo	8479	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	8480	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8481	};\
7739	schaersvoo	8482	if( x_e >= xmarge ){\
7956	schaersvoo	8483	ctx.beginPath();\
		8484	ctx.moveTo(x_e,0);\
		8485	ctx.lineTo(x_e,ysize - ymarge);\
		8486	ctx.stroke();\
		8487	ctx.closePath();\
7739	schaersvoo	8488	};\
		8489	};\
7956	schaersvoo	8490	};\
7735	schaersvoo	8491	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		8492	var minor_step = stepy / yminor;\
7749	schaersvoo	8493	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	8494	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8495	ctx.lineWidth = line_width;\
		8496	ctx.beginPath();\
		8497	ctx.moveTo(xmarge,y);\
		8498	ctx.lineTo(xsize,y);\
		8499	ctx.stroke();\
		8500	ctx.closePath();\
7735	schaersvoo	8501	if( use_axis_numbering == 1){\
		8502	ytxt = (px2y(y)).toFixed(prec);\
		8503	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		8504	};\
		8505	for(var dy = 1 ; dy < yminor ; dy++){\
		8506	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	8507	ctx.lineWidth = 0.2*line_width;\
		8508	ctx.beginPath();\
7739	schaersvoo	8509	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	8510	ctx.lineTo(xsize,y+dy*minor_step);\
		8511	ctx.stroke();\
		8512	ctx.closePath();\
7735	schaersvoo	8513	};\
		8514	};\
7956	schaersvoo	8515	ctx.restore();\
		8516	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	8517	break;
7729	schaersvoo	8518	case DRAW_YLOGSCALE:
		8519	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	8520	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	8521	var obj;\
		8522	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8523	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8524	}\
		8525	else\
		8526	{\
		8527	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8528	};\
		8529	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	8530	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8531	ctx.save();\
		8532	ctx.lineWidth = line_width;\
7735	schaersvoo	8533	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		8534	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	8535	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	8536	if(use_axis_numbering == 1){\
7956	schaersvoo	8537	ctx.font = font_family;\
		8538	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		8539	ymarge = 2*font_size;\
		8540	ctx.save();\
		8541	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8542	ctx.rect(0,0,xmarge,ysize);\
		8543	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8544	ctx.fill();\
		8545	ctx.restore();\
		8546	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8547	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8548	ctx.save();\
		8549	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8550	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8551	corr = ctx.measureText(xaxislabel).width;\
		8552	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8553	ctx.restore();\
		8554	};\
11088	schaersvoo	8555	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8556	ctx.save();\
		8557	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8558	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8559	corr = ctx.measureText(yaxislabel).width;\
		8560	ctx.translate(xmarge+font_size,corr+font_size);\
		8561	ctx.rotate(-0.5*Math.PI);\
		8562	ctx.fillText(yaxislabel,0,0);\
		8563	ctx.restore();\
		8564	};\
		8565	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8566	ctx.lineWidth = line_width;\
		8567	for(var p = y_min; p <= y_max ; p++){\
		8568	num = Math.pow(ylogbase,p);\
		8569	for(var i = 1 ; i < ylogbase ; i++){\
		8570	y_e = y2px(i*num);\
7729	schaersvoo	8571	if( i == 1 ){\
7956	schaersvoo	8572	ctx.lineWidth = line_width;\
7729	schaersvoo	8573	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	8574	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	8575	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	8576	};\
		8577	}else{\
7956	schaersvoo	8578	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	8579	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8580	};\
7956	schaersvoo	8581	ctx.beginPath();\
		8582	ctx.moveTo(xmarge,y_e);\
		8583	ctx.lineTo(xsize,y_e);\
		8584	ctx.stroke();\
		8585	ctx.closePath();\
		8586	};\
		8587	};\
7729	schaersvoo	8588	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		8589	var minor_step = stepx / xminor;\
		8590	var prec = Math.log(precision)/Math.log(10);\
		8591	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	8592	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	8593	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8594	ctx.lineWidth = line_width;\
		8595	ctx.beginPath();\
		8596	ctx.moveTo(x,ysize-ymarge);\
		8597	ctx.lineTo(x,0);\
		8598	ctx.stroke();\
		8599	ctx.closePath();\
7729	schaersvoo	8600	if( use_axis_numbering == 1){\
		8601	xtxt = (px2x(x)).toFixed(prec);\
		8602	corr = 0.5*(ctx.measureText(xtxt).width);\
		8603	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		8604	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		8605	};\
		8606	for(var dx = 1 ; dx < xminor ; dx++){\
		8607	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	8608	ctx.lineWidth = 0.2*line_width;\
		8609	ctx.beginPath();\
7739	schaersvoo	8610	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	8611	ctx.lineTo(x+dx*minor_step,0);\
		8612	ctx.stroke();\
		8613	ctx.closePath();\
7735	schaersvoo	8614	};\
		8615	};\
7956	schaersvoo	8616	ctx.restore();\
		8617	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	8618	break;
9213	schaersvoo	8619
7614	schaersvoo	8620	default:break;
		8621	}
		8622	}
		8623	}
		8624	return;
		8625	}
		8626
		8627	void check_string_length(int L){
9466	schaersvoo	8628	if( L > MAX_BUFFER-1){
7614	schaersvoo	8629	canvas_error("problem with your arguments to command...");
		8630	}
		8631	return;
		8632	}
		8633
		8634
		8635	int get_token(FILE *infile){
		8636	int c,i=0;
		8637	char temp[MAX_INT], *input_type;
		8638	char *line="line",
		8639	*audio="audio",
		8640	*blink="blink",
		8641	*arrowhead="arrowhead",
		8642	*crosshairsize="crosshairsize",
		8643	*crosshair="crosshair",
		8644	*crosshairs="crosshairs",
		8645	*audioobject="audioobject",
		8646	*style="style",
		8647	*mouse="mouse",
7991	schaersvoo	8648	*mousex="mousex",
		8649	*mousey="mousey",
8071	schaersvoo	8650	*mouse_display="display",
		8651	*mouse_degree="mouse_degree",
7614	schaersvoo	8652	*userdraw="userdraw",
		8653	*highlight="highlight",
		8654	*http="http",
		8655	*rays="rays",
		8656	*dashtype="dashtype",
		8657	*dashed="dashed",
		8658	*filled="filled",
		8659	*lattice="lattice",
		8660	*parallel="parallel",
		8661	*segment="segment",
8299	schaersvoo	8662	*segments="segments",
7614	schaersvoo	8663	*dsegment="dsegment",
9374	schaersvoo	8664	*dsegments="dsegments",
7614	schaersvoo	8665	*seg="seg",
9383	schaersvoo	8666	*segs="segs",
7614	schaersvoo	8667	*bgimage="bgimage",
		8668	*bgcolor="bgcolor",
		8669	*strokecolor="strokecolor",
		8670	*backgroundimage="backgroundimage",
		8671	*text="text",
		8672	*textup="textup",
		8673	*mouseprecision="mouseprecision",
		8674	*precision="precision",
		8675	*plotsteps="plotsteps",
		8676	*plotstep="plotstep",
		8677	*tsteps="tsteps",
		8678	*curve="curve",
		8679	*dcurve="dcurve",
		8680	*plot="plot",
		8681	*dplot="dplot",
7788	schaersvoo	8682	*levelcurve="levelcurve",
7614	schaersvoo	8683	*fontsize="fontsize",
		8684	*fontcolor="fontcolor",
		8685	*axis="axis",
		8686	*axisnumbering="axisnumbering",
		8687	*axisnumbers="axisnumbers",
		8688	*arrow="arrow",
9382	schaersvoo	8689	*vector="vector",
		8690	*vectors="vectors",
7614	schaersvoo	8691	*darrow="darrow",
		8692	*arrow2="arrow2",
		8693	*darrow2="darrow2",
8304	schaersvoo	8694	*arrows="arrows",
8347	schaersvoo	8695	*arrows2="arrows2",
7614	schaersvoo	8696	*zoom="zoom",
		8697	*grid="grid",
		8698	*hline="hline",
7786	schaersvoo	8699	*dhline="dhline",
7614	schaersvoo	8700	*drag="drag",
		8701	*horizontalline="horizontalline",
9383	schaersvoo	8702	*horizontallines="horizontallines",
7614	schaersvoo	8703	*vline="vline",
7786	schaersvoo	8704	*dvline="dvline",
7614	schaersvoo	8705	*verticalline="verticalline",
9383	schaersvoo	8706	*verticallines="verticallines",
7614	schaersvoo	8707	*triangle="triangle",
9306	schaersvoo	8708	*triangles="triangles",
7614	schaersvoo	8709	*ftriangle="ftriangle",
9374	schaersvoo	8710	*ftriangles="ftriangles",
7614	schaersvoo	8711	*mathml="mathml",
		8712	*html="html",
		8713	*input="input",
8146	schaersvoo	8714	*clearbutton="clearbutton",
9386	schaersvoo	8715	*erase="erase",
		8716	*delete="delete",
7614	schaersvoo	8717	*inputstyle="inputstyle",
		8718	*textarea="textarea",
		8719	*trange="trange",
		8720	*ranget="ranget",
		8721	*xrange="xrange",
		8722	*yrange="yrange",
		8723	*rangex="rangex",
		8724	*rangey="rangey",
8370	schaersvoo	8725	*path="path",
7614	schaersvoo	8726	*polyline="polyline",
8351	schaersvoo	8727	*brokenline="brokenline",
7614	schaersvoo	8728	*lines="lines",
		8729	*poly="poly",
		8730	*polygon="polygon",
		8731	*fpolygon="fpolygon",
		8732	*fpoly="fpoly",
		8733	*filledpoly="filledpoly",
		8734	*filledpolygon="filledpolygon",
		8735	*rect="rect",
		8736	*frect="frect",
		8737	*rectangle="rectangle",
		8738	*frectangle="frectangle",
		8739	*square="square",
		8740	*fsquare="fsquare",
9374	schaersvoo	8741	*fsquares="fsquares",
8363	schaersvoo	8742	*rects="rects",
		8743	*frects="frects",
7614	schaersvoo	8744	*dline="dline",
		8745	*arc="arc",
		8746	*filledarc="filledarc",
9374	schaersvoo	8747	*farc="farc",
7614	schaersvoo	8748	*size="size",
		8749	*string="string",
		8750	*stringup="stringup",
		8751	*copy="copy",
		8752	*copyresized="copyresized",
		8753	*opacity="opacity",
		8754	*transparent="transparent",
		8755	*fill="fill",
		8756	*point="point",
		8757	*points="points",
		8758	*linewidth="linewidth",
		8759	*circle="circle",
8304	schaersvoo	8760	*circles="circles",
7614	schaersvoo	8761	*fcircle="fcircle",
9374	schaersvoo	8762	*fcircles="fcircles",
7614	schaersvoo	8763	*disk="disk",
9374	schaersvoo	8764	*disks="disks",
7614	schaersvoo	8765	*comment="#",
		8766	*end="end",
		8767	*ellipse="ellipse",
		8768	*fellipse="fellipse",
		8769	*rotate="rotate",
7785	schaersvoo	8770	*affine="affine",
9907	schaersvoo	8771	*rotationcenter="rotationcenter",
		8772	*killrotate="killrotate",
7785	schaersvoo	8773	*killaffine="killaffine",
7614	schaersvoo	8774	*fontfamily="fontfamily",
		8775	*fillcolor="fillcolor",
		8776	*clicktile="clicktile",
		8777	*clicktile_colors="clicktile_colors",
		8778	*translation="translation",
		8779	*translate="translate",
		8780	*killtranslation="killtranslation",
		8781	*killtranslate="killtranslate",
		8782	*onclick="onclick",
8370	schaersvoo	8783	*roundrects="roundrects",
7614	schaersvoo	8784	*roundrect="roundrect",
		8785	*froundrect="froundrect",
9374	schaersvoo	8786	*froundrects="froundrects",
7614	schaersvoo	8787	*roundrectangle="roundrectangle",
		8788	*patternfill="patternfill",
		8789	*hatchfill="hatchfill",
		8790	*diafill="diafill",
7647	schaersvoo	8791	*diamondfill="diamondfill",
7614	schaersvoo	8792	*dotfill="dotfill",
		8793	*gridfill="gridfill",
		8794	*imagefill="imagefill",
7735	schaersvoo	8795	*xlogbase="xlogbase",
		8796	*ylogbase="ylogbase",
7614	schaersvoo	8797	*xlogscale="xlogscale",
		8798	*ylogscale="ylogscale",
		8799	*xylogscale="xylogscale",
		8800	*intooltip="intooltip",
9329	schaersvoo	8801	*popup="popup",
7614	schaersvoo	8802	*replyformat="replyformat",
		8803	*floodfill="floodfill",
11772	schaersvoo	8804	*fillall="fillall",
7614	schaersvoo	8805	*filltoborder="filltoborder",
		8806	*setpixel="setpixel",
		8807	*pixels="pixels",
		8808	*pixelsize="pixelsize",
		8809	*xaxis="xaxis",
9341	schaersvoo	8810	*xaxisup="xaxisup",
7614	schaersvoo	8811	*yaxis="yaxis",
		8812	*xaxistext="xaxistext",
9341	schaersvoo	8813	*xaxistextup="xaxistextup",
7614	schaersvoo	8814	*yaxistext="yaxistext",
		8815	*piechart="piechart",
9433	schaersvoo	8816	*boxplot="boxplot",
9465	schaersvoo	8817	*boxplotdata="boxplotdata",
		8818	*userboxplot="userboxplot",
		8819	*userboxplotdata="userboxplotdata",
7614	schaersvoo	8820	*legend="legend",
		8821	*legendcolors="legendcolors",
		8822	*xlabel="xlabel",
		8823	*ylabel="ylabel",
		8824	*barchart="barchart",
		8825	*linegraph="linegraph",
		8826	*clock="clock",
		8827	*animate="animate",
		8828	*video="video",
		8829	*status="status",
7877	schaersvoo	8830	*nostatus="nostatus",
7652	schaersvoo	8831	*snaptogrid="snaptogrid",
7784	schaersvoo	8832	*xsnaptogrid="xsnaptogrid",
		8833	*ysnaptogrid="ysnaptogrid",
8379	schaersvoo	8834	*snaptopoints="snaptopoints",
9213	schaersvoo	8835	*snaptofunction="snaptofunction",
		8836	*snaptofun="snaptofun",
7654	schaersvoo	8837	*userinput_xy="userinput_xy",
8193	schaersvoo	8838	*userinput_function="userinput_function",
7663	schaersvoo	8839	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	8840	*userinput="userinput",
7823	schaersvoo	8841	*jsmath="jsmath",
7858	schaersvoo	8842	*trace_jscurve="trace_jscurve",
7838	schaersvoo	8843	*setlimits="setlimits",
7858	schaersvoo	8844	*jscurve="jscurve",
		8845	*jsplot="jsplot",
7983	schaersvoo	8846	*sgraph="sgraph",
7984	schaersvoo	8847	*title="title",
7996	schaersvoo	8848	*centerstring="centerstring",
		8849	*xunit="xunit",
8071	schaersvoo	8850	*yunit="yunit",
8101	schaersvoo	8851	*slider="slider",
8105	schaersvoo	8852	*killslider="killslider",
8244	schaersvoo	8853	*angle="angle",
8365	schaersvoo	8854	*halflines="halflines",
		8855	*demilines="demilines",
8244	schaersvoo	8856	*halfline="halfline",
8297	schaersvoo	8857	*demiline="demiline",
8366	schaersvoo	8858	*hlines="hlines",
		8859	*vlines="vlines",
8370	schaersvoo	8860	*bezier="bezier",
9213	schaersvoo	8861	*functionlabel="functionlabel",
		8862	*sliderfunction_x="sliderfunction_x",
		8863	*sliderfunction_y="sliderfunction_y",
		8864	*multidraw="multidraw",
		8865	*multilinewidth="multilinewidth",
		8866	*multistrokecolors="multistrokecolors",
		8867	*multifillcolors="multifillcolors",
		8868	*multistrokeopacity="multistrokeopacity",
		8869	*multifillopacity="multifillopacity",
		8870	*multifill="multifill",
		8871	*multidash="multidash",
		8872	*multilabel="multilabel",
		8873	*multiuserinput="multiuserinput",
9289	schaersvoo	8874	*multisnaptogrid="multisnaptogrid",
		8875	*protractor="protractor",
9386	schaersvoo	8876	*ruler="ruler",
		8877	*cursor="cursor",
9427	schaersvoo	8878	*pointer="pointer",
		8879	*yerrorbars="yerrorbars",
11006	schaersvoo	8880	*xerrorbars="xerrorbars",
11044	schaersvoo	8881	*noxaxis="noxaxis",
		8882	*noyaxis="noyaxis",
11767	schaersvoo	8883	*colorpalette="colorpalette",
11802	schaersvoo	8884	*xoffset="xoffset",
		8885	*centered="centered",
		8886	*xyoffset="xyoffset",
		8887	*resetoffset="resetoffset",
11006	schaersvoo	8888	*canvastype="canvastype";
7614	schaersvoo	8889
10891	schaersvoo	8890	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')&&(c!='\t')){
		8891	if( i == 0 && (c == ' ') ){ continue; /* white spaces or tabs allowed before first command identifier */
		8892	}else{
		8893	if( c == ' ' ){
7614	schaersvoo	8894	break;
10891	schaersvoo	8895	}else{
		8896	temp[i] = c;
		8897	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		8898	i++;
		8899	}
		8900	}
		8901	if(temp[0] == '#'){ break; }
7614	schaersvoo	8902	}
10891	schaersvoo	8903	if (c == '\n' \|\| c == '\r' \|\| c == '\t' ){ line_number++; }
		8904	if (c == EOF) {finished=1;return 0;}
7614	schaersvoo	8905
		8906	temp[i]='\0';
		8907	input_type=(char*)my_newmem(strlen(temp));
		8908	snprintf(input_type,sizeof(temp),"%s",temp);
10891	schaersvoo	8909	/* fprintf(stdout,"temp = %s <br/>",input_type); */
7614	schaersvoo	8910	if( strcmp(input_type, size) == 0 ){
		8911	free(input_type);
		8912	return SIZE;
		8913	}
		8914	if( strcmp(input_type, xrange) == 0 ){
		8915	free(input_type);
		8916	return XRANGE;
		8917	}
		8918	if( strcmp(input_type, rangex) == 0 ){
		8919	free(input_type);
		8920	return XRANGE;
		8921	}
		8922	if( strcmp(input_type, trange) == 0 ){
		8923	free(input_type);
		8924	return TRANGE;
		8925	}
		8926	if( strcmp(input_type, ranget) == 0 ){
		8927	free(input_type);
		8928	return TRANGE;
		8929	}
		8930	if( strcmp(input_type, yrange) == 0 ){
		8931	free(input_type);
		8932	return YRANGE;
		8933	}
		8934	if( strcmp(input_type, rangey) == 0 ){
		8935	free(input_type);
		8936	return YRANGE;
		8937	}
		8938	if( strcmp(input_type, linewidth) == 0 ){
		8939	free(input_type);
		8940	return LINEWIDTH;
		8941	}
		8942	if( strcmp(input_type, dashed) == 0 ){
		8943	free(input_type);
		8944	return DASHED;
		8945	}
		8946	if( strcmp(input_type, dashtype) == 0 ){
		8947	free(input_type);
		8948	return DASHTYPE;
		8949	}
		8950	if( strcmp(input_type, axisnumbering) == 0 ){
		8951	free(input_type);
		8952	return AXIS_NUMBERING;
		8953	}
		8954	if( strcmp(input_type, axisnumbers) == 0 ){
		8955	free(input_type);
		8956	return AXIS_NUMBERING;
		8957	}
		8958	if( strcmp(input_type, axis) == 0 ){
		8959	free(input_type);
		8960	return AXIS;
		8961	}
		8962	if( strcmp(input_type, grid) == 0 ){
		8963	free(input_type);
		8964	return GRID;
		8965	}
9383	schaersvoo	8966	if( strcmp(input_type, hlines) == 0 \|\| strcmp(input_type, horizontallines) == 0 ){
8366	schaersvoo	8967	free(input_type);
		8968	return HLINES;
		8969	}
9383	schaersvoo	8970	if( strcmp(input_type, vlines) == 0 \|\| strcmp(input_type, verticallines) == 0 ){
8366	schaersvoo	8971	free(input_type);
		8972	return VLINES;
		8973	}
9383	schaersvoo	8974	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
7614	schaersvoo	8975	free(input_type);
		8976	return HLINE;
		8977	}
		8978	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		8979	free(input_type);
		8980	return VLINE;
		8981	}
		8982	if( strcmp(input_type, line) == 0 ){
		8983	free(input_type);
		8984	return LINE;
		8985	}
9383	schaersvoo	8986	if( strcmp(input_type, segments) == 0 \|\| strcmp(input_type, segs) == 0 ){
8299	schaersvoo	8987	free(input_type);
		8988	return SEGMENTS;
		8989	}
7614	schaersvoo	8990	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		8991	free(input_type);
		8992	return SEGMENT;
		8993	}
9374	schaersvoo	8994	if( strcmp(input_type, dsegments) == 0 ){
		8995	free(input_type);
		8996	use_dashed = TRUE;
		8997	return SEGMENTS;
		8998	}
7614	schaersvoo	8999	if( strcmp(input_type, dsegment) == 0 ){
		9000	free(input_type);
		9001	use_dashed = TRUE;
		9002	return SEGMENT;
		9003	}
		9004	if( strcmp(input_type, crosshairsize) == 0 ){
		9005	free(input_type);
		9006	return CROSSHAIRSIZE;
		9007	}
		9008	if( strcmp(input_type, arrowhead) == 0 ){
		9009	free(input_type);
		9010	return ARROWHEAD;
		9011	}
		9012	if( strcmp(input_type, crosshairs) == 0 ){
		9013	free(input_type);
		9014	return CROSSHAIRS;
		9015	}
		9016	if( strcmp(input_type, crosshair) == 0 ){
		9017	free(input_type);
		9018	return CROSSHAIR;
		9019	}
		9020	if( strcmp(input_type, onclick) == 0 ){
		9021	free(input_type);
		9022	return ONCLICK;
		9023	}
		9024	if( strcmp(input_type, drag) == 0 ){
		9025	free(input_type);
		9026	return DRAG;
		9027	}
		9028	if( strcmp(input_type, userdraw) == 0 ){
		9029	free(input_type);
		9030	return USERDRAW;
		9031	}
		9032	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		9033	free(input_type);
		9034	return STYLE;
		9035	}
		9036	if( strcmp(input_type, fillcolor) == 0 ){
		9037	free(input_type);
		9038	return FILLCOLOR;
		9039	}
		9040	if( strcmp(input_type, strokecolor) == 0 ){
		9041	free(input_type);
		9042	return STROKECOLOR;
		9043	}
		9044	if( strcmp(input_type, filled) == 0 ){
		9045	free(input_type);
		9046	return FILLED;
		9047	}
		9048	if( strcmp(input_type, http) == 0 ){
		9049	free(input_type);
		9050	return HTTP;
		9051	}
		9052	if( strcmp(input_type, rays) == 0 ){
		9053	free(input_type);
		9054	return RAYS;
		9055	}
		9056	if( strcmp(input_type, lattice) == 0 ){
		9057	free(input_type);
		9058	return LATTICE;
		9059	}
		9060	if( strcmp(input_type, bgimage) == 0 ){
		9061	free(input_type);
		9062	return BGIMAGE;
		9063	}
		9064	if( strcmp(input_type, bgcolor) == 0 ){
		9065	free(input_type);
		9066	return BGCOLOR;
		9067	}
		9068	if( strcmp(input_type, backgroundimage) == 0 ){
		9069	free(input_type);
		9070	return BGIMAGE;
		9071	}
		9072	if( strcmp(input_type, text) == 0 ){
		9073	free(input_type);
		9074	return FLY_TEXT;
		9075	}
		9076	if( strcmp(input_type, textup) == 0 ){
		9077	free(input_type);
		9078	return FLY_TEXTUP;
		9079	}
		9080	if( strcmp(input_type, mouse) == 0 ){
		9081	free(input_type);
		9082	return MOUSE;
		9083	}
7991	schaersvoo	9084	if( strcmp(input_type, mousex) == 0 ){
		9085	free(input_type);
		9086	return MOUSEX;
		9087	}
		9088	if( strcmp(input_type, mousey) == 0 ){
		9089	free(input_type);
		9090	return MOUSEY;
		9091	}
8071	schaersvoo	9092	if( strcmp(input_type, mouse_degree) == 0 ){
		9093	free(input_type);
		9094	return MOUSE_DEGREE;
		9095	}
		9096	if( strcmp(input_type, mouse_display) == 0 ){
		9097	free(input_type);
		9098	return MOUSE_DISPLAY;
		9099	}
7614	schaersvoo	9100	if( strcmp(input_type, mouseprecision) == 0 ){
		9101	free(input_type);
		9102	return MOUSE_PRECISION;
		9103	}
		9104	if( strcmp(input_type, precision) == 0 ){
		9105	free(input_type);
		9106	return MOUSE_PRECISION;
		9107	}
		9108	if( strcmp(input_type, curve) == 0 ){
		9109	free(input_type);
		9110	return CURVE;
		9111	}
		9112	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	9113	use_dashed = TRUE;
7614	schaersvoo	9114	free(input_type);
		9115	return CURVE;
		9116	}
		9117	if( strcmp(input_type, plot) == 0 ){
		9118	free(input_type);
		9119	return CURVE;
		9120	}
		9121	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	9122	use_dashed = TRUE;
7614	schaersvoo	9123	free(input_type);
		9124	return CURVE;
		9125	}
7788	schaersvoo	9126	if( strcmp(input_type, levelcurve) == 0 ){
		9127	free(input_type);
		9128	return LEVELCURVE;
		9129	}
7614	schaersvoo	9130	if( strcmp(input_type, plotsteps) == 0 ){
		9131	free(input_type);
		9132	return PLOTSTEPS;
		9133	}
		9134	if( strcmp(input_type, plotstep) == 0 ){
		9135	free(input_type);
		9136	return PLOTSTEPS;
		9137	}
		9138	if( strcmp(input_type, tsteps) == 0 ){
		9139	free(input_type);
		9140	return PLOTSTEPS;
		9141	}
		9142	if( strcmp(input_type, fontsize) == 0 ){
		9143	free(input_type);
		9144	return FONTSIZE;
		9145	}
		9146	if( strcmp(input_type, fontcolor) == 0 ){
		9147	free(input_type);
		9148	return FONTCOLOR;
		9149	}
		9150	if( strcmp(input_type, arrow2) == 0 ){
		9151	free(input_type);
		9152	return ARROW2;
		9153	}
		9154	if( strcmp(input_type, darrow) == 0 ){
		9155	free(input_type);
8071	schaersvoo	9156	use_dashed = TRUE;
7614	schaersvoo	9157	return ARROW;
		9158	}
		9159	if( strcmp(input_type, darrow2) == 0 ){
		9160	free(input_type);
		9161	use_dashed = TRUE;
		9162	return ARROW2;
		9163	}
8347	schaersvoo	9164	if( strcmp(input_type, arrows2) == 0 ){
		9165	free(input_type);
		9166	return ARROWS2;
		9167	}
9382	schaersvoo	9168	if( strcmp(input_type, arrows) == 0 \|\| strcmp(input_type, vectors) == 0 ){
8304	schaersvoo	9169	free(input_type);
		9170	return ARROWS;
		9171	}
9382	schaersvoo	9172	if( strcmp(input_type, arrow) == 0 \|\| strcmp(input_type, vector) == 0 ){
8304	schaersvoo	9173	free(input_type);
		9174	return ARROW;
		9175	}
7614	schaersvoo	9176	if( strcmp(input_type, zoom) == 0 ){
		9177	free(input_type);
		9178	return ZOOM;
		9179	}
		9180	if( strcmp(input_type, triangle) == 0 ){
		9181	free(input_type);
		9182	return TRIANGLE;
		9183	}
9306	schaersvoo	9184	if( strcmp(input_type, triangles) == 0 ){
		9185	free(input_type);
		9186	return TRIANGLES;
		9187	}
9374	schaersvoo	9188	if( strcmp(input_type, ftriangles) == 0 ){
		9189	free(input_type);
		9190	use_filled = TRUE;
		9191	return TRIANGLES;
		9192	}
7614	schaersvoo	9193	if( strcmp(input_type, ftriangle) == 0 ){
		9194	free(input_type);
		9195	use_filled = TRUE;
		9196	return TRIANGLE;
		9197	}
		9198	if( strcmp(input_type, input) == 0 ){
		9199	free(input_type);
		9200	return INPUT;
		9201	}
		9202	if( strcmp(input_type, inputstyle) == 0 ){
		9203	free(input_type);
		9204	return INPUTSTYLE;
		9205	}
		9206	if( strcmp(input_type, textarea) == 0 ){
		9207	free(input_type);
		9208	return TEXTAREA;
		9209	}
		9210	if( strcmp(input_type, mathml) == 0 ){
		9211	free(input_type);
		9212	return MATHML;
		9213	}
		9214	if( strcmp(input_type, html) == 0 ){
		9215	free(input_type);
		9216	return MATHML;
		9217	}
		9218	if( strcmp(input_type, fontfamily) == 0 ){
		9219	free(input_type);
		9220	return FONTFAMILY;
		9221	}
10975	schaersvoo	9222	if( strcmp(input_type, polyline) == 0 \|\| strcmp(input_type, path) == 0 \|\| strcmp(input_type, brokenline) == 0 ){
7614	schaersvoo	9223	free(input_type);
		9224	return POLYLINE;
		9225	}
8351	schaersvoo	9226	if( strcmp(input_type, lines) == 0 ){
		9227	free(input_type);
		9228	return LINES;
		9229	}
9374	schaersvoo	9230	if( strcmp(input_type, rects) == 0){
8363	schaersvoo	9231	free(input_type);
		9232	return RECTS;
		9233	}
9383	schaersvoo	9234	if( strcmp(input_type, frects) == 0 ){
8363	schaersvoo	9235	free(input_type);
9374	schaersvoo	9236	use_filled = TRUE;
8363	schaersvoo	9237	return RECTS;
		9238	}
7614	schaersvoo	9239	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		9240	free(input_type);
		9241	return RECT;
		9242	}
9374	schaersvoo	9243	if( strcmp(input_type, square) == 0 ){
		9244	free(input_type);
		9245	return RECT;
		9246	}
		9247	if( strcmp(input_type, fsquare) == 0 ){
		9248	free(input_type);
		9249	use_filled = TRUE;
		9250	return SQUARE;
		9251	}
		9252	if( strcmp(input_type, fsquares) == 0 ){
		9253	free(input_type);
		9254	use_filled = TRUE;
		9255	return RECTS;
		9256	}
8370	schaersvoo	9257	if( strcmp(input_type, roundrects) == 0 ){
		9258	free(input_type);
		9259	return ROUNDRECTS;
		9260	}
7614	schaersvoo	9261	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		9262	free(input_type);
		9263	return ROUNDRECT;
		9264	}
9374	schaersvoo	9265	if( strcmp(input_type, froundrects) == 0 ){
7614	schaersvoo	9266	free(input_type);
		9267	use_filled = TRUE;
9374	schaersvoo	9268	return ROUNDRECTS;
7614	schaersvoo	9269	}
9374	schaersvoo	9270	if( strcmp(input_type, froundrect) == 0 ){
7614	schaersvoo	9271	free(input_type);
		9272	use_filled = TRUE;
9374	schaersvoo	9273	return ROUNDRECT;
7614	schaersvoo	9274	}
		9275	if( strcmp(input_type, dline) == 0 ){
		9276	use_dashed = TRUE;
		9277	free(input_type);
		9278	return LINE;
		9279	}
7786	schaersvoo	9280	if( strcmp(input_type, dvline) == 0 ){
		9281	use_dashed = TRUE;
		9282	free(input_type);
		9283	return VLINE;
		9284	}
		9285	if( strcmp(input_type, dhline) == 0 ){
		9286	use_dashed = TRUE;
		9287	free(input_type);
		9288	return HLINE;
		9289	}
9386	schaersvoo	9290	if( strcmp(input_type, halflines) == 0 \|\| strcmp(input_type, demilines) == 0 ){
		9291	free(input_type);
		9292	return HALFLINES;
		9293	}
		9294	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
		9295	free(input_type);
		9296	return HALFLINE;
		9297	}
7614	schaersvoo	9298	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		9299	use_filled = TRUE;
		9300	free(input_type);
		9301	return RECT;
		9302	}
8304	schaersvoo	9303	if( strcmp(input_type, circles) == 0 ){
		9304	free(input_type);
		9305	return CIRCLES;
		9306	}
7614	schaersvoo	9307	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		9308	use_filled = TRUE;
		9309	free(input_type);
		9310	return CIRCLE;
		9311	}
9374	schaersvoo	9312	if( strcmp(input_type, fcircles) == 0 \|\| strcmp(input_type, disks) == 0 ){
		9313	use_filled = TRUE;
		9314	free(input_type);
		9315	return CIRCLES;
		9316	}
7614	schaersvoo	9317	if( strcmp(input_type, circle) == 0 ){
		9318	free(input_type);
		9319	return CIRCLE;
		9320	}
		9321	if( strcmp(input_type, point) == 0 ){
		9322	free(input_type);
		9323	return POINT;
		9324	}
		9325	if( strcmp(input_type, points) == 0 ){
		9326	free(input_type);
		9327	return POINTS;
		9328	}
9374	schaersvoo	9329	if( strcmp(input_type, filledarc) == 0 \|\| strcmp(input_type, farc) == 0 ){
7614	schaersvoo	9330	use_filled = TRUE;
		9331	free(input_type);
		9332	return ARC;
		9333	}
		9334	if( strcmp(input_type, arc) == 0 ){
		9335	free(input_type);
		9336	return ARC;
		9337	}
		9338	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		9339	free(input_type);
		9340	return POLY;
		9341	}
		9342	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		9343	use_filled = TRUE;
		9344	free(input_type);
		9345	return POLY;
		9346	}
		9347	if( strcmp(input_type, ellipse) == 0){
		9348	free(input_type);
		9349	return ELLIPSE;
		9350	}
		9351	if( strcmp(input_type, string) == 0 ){
		9352	free(input_type);
		9353	return STRING;
		9354	}
		9355	if( strcmp(input_type, stringup) == 0 ){
		9356	free(input_type);
		9357	return STRINGUP;
		9358	}
9385	schaersvoo	9359	if( strcmp(input_type, opacity) == 0 \|\| strcmp(input_type, transparent) == 0 ){
7614	schaersvoo	9360	free(input_type);
		9361	return OPACITY;
		9362	}
		9363	if( strcmp(input_type, comment) == 0){
		9364	free(input_type);
		9365	return COMMENT;
		9366	}
		9367	if( strcmp(input_type, fellipse) == 0){
		9368	free(input_type);
		9369	use_filled = TRUE;
		9370	return ELLIPSE;
8224	bpr	9371	}
9386	schaersvoo	9372	if( strcmp(input_type, clearbutton) == 0 \|\| strcmp(input_type, erase) == 0 \|\| strcmp(input_type, delete) == 0){
7614	schaersvoo	9373	free(input_type);
8146	schaersvoo	9374	return CLEARBUTTON;
7614	schaersvoo	9375	}
		9376	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		9377	free(input_type);
		9378	return TRANSLATION;
		9379	}
		9380	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		9381	free(input_type);
		9382	return KILLTRANSLATION;
		9383	}
		9384	if( strcmp(input_type, rotate) == 0){
		9385	free(input_type);
		9386	return ROTATE;
		9387	}
9907	schaersvoo	9388	if( strcmp(input_type, killrotate) == 0){
		9389	free(input_type);
		9390	return KILLROTATE;
		9391	}
		9392	if( strcmp(input_type, rotationcenter) == 0){
		9393	free(input_type);
		9394	return ROTATION_CENTER;
		9395	}
7785	schaersvoo	9396	if( strcmp(input_type, affine) == 0){
		9397	free(input_type);
		9398	return AFFINE;
		9399	}
		9400	if( strcmp(input_type, killaffine) == 0){
		9401	free(input_type);
		9402	return KILLAFFINE;
		9403	}
7614	schaersvoo	9404	if( strcmp(input_type, slider) == 0 ){
		9405	free(input_type);
		9406	return SLIDER;
		9407	}
8101	schaersvoo	9408	if( strcmp(input_type, killslider) == 0 ){
		9409	free(input_type);
		9410	return KILLSLIDER;
		9411	}
7614	schaersvoo	9412	if( strcmp(input_type, copy) == 0 ){
		9413	free(input_type);
		9414	return COPY;
		9415	}
		9416	if( strcmp(input_type, copyresized) == 0 ){
		9417	free(input_type);
		9418	return COPYRESIZED;
		9419	}
		9420	if( strcmp(input_type, xlogscale) == 0 ){
		9421	free(input_type);
		9422	return XLOGSCALE;
		9423	}
		9424	if( strcmp(input_type, ylogscale) == 0 ){
		9425	free(input_type);
		9426	return YLOGSCALE;
		9427	}
		9428	if( strcmp(input_type, xylogscale) == 0 ){
		9429	free(input_type);
		9430	return XYLOGSCALE;
		9431	}
		9432	if( strcmp(input_type, ylogscale) == 0 ){
		9433	free(input_type);
		9434	return YLOGSCALE;
		9435	}
7735	schaersvoo	9436	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	9437	free(input_type);
7735	schaersvoo	9438	return XLOGBASE;
7614	schaersvoo	9439	}
7735	schaersvoo	9440	if( strcmp(input_type, ylogbase) == 0 ){
		9441	free(input_type);
		9442	return YLOGBASE;
		9443	}
7614	schaersvoo	9444	if( strcmp(input_type, intooltip) == 0 ){
		9445	free(input_type);
		9446	return INTOOLTIP;
		9447	}
9329	schaersvoo	9448	if( strcmp(input_type, popup) == 0 ){
		9449	free(input_type);
		9450	return POPUP;
		9451	}
7614	schaersvoo	9452	if( strcmp(input_type,video) == 0 ){
		9453	free(input_type);
		9454	return VIDEO;
		9455	}
11772	schaersvoo	9456	if( strcmp(input_type,fillall) == 0 ){
		9457	free(input_type);
		9458	return FILLALL;
		9459	}
7614	schaersvoo	9460	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		9461	free(input_type);
		9462	return FLOODFILL;
8224	bpr	9463	}
7614	schaersvoo	9464	if( strcmp(input_type,filltoborder) == 0 ){
		9465	free(input_type);
		9466	return FILLTOBORDER;
8224	bpr	9467	}
7614	schaersvoo	9468	if( strcmp(input_type, replyformat) == 0 ){
		9469	free(input_type);
		9470	return REPLYFORMAT;
		9471	}
		9472	if( strcmp(input_type, pixelsize) == 0 ){
		9473	free(input_type);
		9474	return PIXELSIZE;
		9475	}
		9476	if( strcmp(input_type, setpixel) == 0 ){
		9477	free(input_type);
		9478	return SETPIXEL;
		9479	}
		9480	if( strcmp(input_type, pixels) == 0 ){
		9481	free(input_type);
		9482	return PIXELS;
		9483	}
		9484	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		9485	free(input_type);
		9486	return X_AXIS_STRINGS;
		9487	}
9341	schaersvoo	9488	if( strcmp(input_type, xaxisup) == 0 \|\| strcmp(input_type, xaxistextup) == 0 ){
		9489	free(input_type);
		9490	return X_AXIS_STRINGS_UP;
		9491	}
7614	schaersvoo	9492	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		9493	free(input_type);
		9494	return Y_AXIS_STRINGS;
		9495	}
		9496	if( strcmp(input_type, legend) == 0 ){
		9497	free(input_type);
		9498	return LEGEND;
		9499	}
		9500	if( strcmp(input_type, legendcolors) == 0 ){
		9501	free(input_type);
		9502	return LEGENDCOLORS;
		9503	}
		9504	if( strcmp(input_type, xlabel) == 0 ){
		9505	free(input_type);
		9506	return XLABEL;
		9507	}
		9508	if( strcmp(input_type, ylabel) == 0 ){
		9509	free(input_type);
		9510	return YLABEL;
		9511	}
8370	schaersvoo	9512	if( strcmp(input_type, bezier) == 0 ){
		9513	free(input_type);
		9514	return BEZIER;
		9515	}
7614	schaersvoo	9516	if( strcmp(input_type, animate) == 0 ){
		9517	free(input_type);
		9518	return ANIMATE;
		9519	}
9354	schaersvoo	9520	/* these are bitmap related flydraw commands...must be removed. eventually */
7614	schaersvoo	9521	if( strcmp(input_type, transparent) == 0 ){
		9522	free(input_type);
		9523	return TRANSPARENT;
		9524	}
7877	schaersvoo	9525	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	9526	free(input_type);
		9527	return STATUS;
		9528	}
7784	schaersvoo	9529	if( strcmp(input_type, xsnaptogrid) == 0 ){
		9530	free(input_type);
		9531	return XSNAPTOGRID;
		9532	}
		9533	if( strcmp(input_type, ysnaptogrid) == 0 ){
		9534	free(input_type);
		9535	return YSNAPTOGRID;
		9536	}
8379	schaersvoo	9537	if( strcmp(input_type, snaptogrid) == 0 ){
		9538	free(input_type);
		9539	return SNAPTOGRID;
		9540	}
		9541	if( strcmp(input_type, snaptopoints) == 0 ){
		9542	free(input_type);
		9543	return SNAPTOPOINTS;
		9544	}
9213	schaersvoo	9545	if( strcmp(input_type, snaptofunction) == 0 \|\| strcmp(input_type, snaptofun) == 0 ){
		9546	free(input_type);
		9547	return SNAPTOFUNCTION;
		9548	}
7652	schaersvoo	9549	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	9550	free(input_type);
7652	schaersvoo	9551	return USERINPUT_XY;
		9552	}
8193	schaersvoo	9553	if( strcmp(input_type, userinput_function) == 0 ){
		9554	free(input_type);
		9555	return USERINPUT_FUNCTION;
		9556	}
7663	schaersvoo	9557	if( strcmp(input_type, usertextarea_xy) == 0 ){
		9558	free(input_type);
		9559	return USERTEXTAREA_XY;
		9560	}
8222	schaersvoo	9561	if( strcmp(input_type, userinput) == 0 ){
		9562	free(input_type);
		9563	return USERINPUT;
		9564	}
8105	schaersvoo	9565	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	9566	free(input_type);
8105	schaersvoo	9567	return ANGLE;
		9568	}
8297	schaersvoo	9569	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	9570	free(input_type);
8297	schaersvoo	9571	return FUNCTION_LABEL;
		9572	}
9213	schaersvoo	9573	if( strcmp(input_type, sliderfunction_x) == 0 ){
8297	schaersvoo	9574	free(input_type);
9213	schaersvoo	9575	return SLIDER_X;
		9576	}
		9577	if( strcmp(input_type, sliderfunction_y) == 0 ){
		9578	free(input_type);
		9579	return SLIDER_Y;
		9580	}
		9581	if( strcmp(input_type, multidraw) == 0 ){
		9582	free(input_type);
		9583	return MULTIDRAW;
		9584	}
		9585	if( strcmp(input_type, multistrokeopacity) == 0 ){
		9586	free(input_type);
		9587	return MULTISTROKEOPACITY;
		9588	}
		9589	if( strcmp(input_type, multifillopacity) == 0 ){
		9590	free(input_type);
		9591	return MULTIFILLOPACITY;
		9592	}
		9593	if( strcmp(input_type, multilinewidth) == 0 ){
		9594	free(input_type);
		9595	return MULTILINEWIDTH;
		9596	}
		9597	if( strcmp(input_type, multistrokecolors) == 0 ){
		9598	free(input_type);
		9599	return MULTISTROKECOLORS;
		9600	}
		9601	if( strcmp(input_type, multifill) == 0 ){
		9602	free(input_type);
		9603	return MULTIFILL;
		9604	}
		9605	if( strcmp(input_type, multifillcolors) == 0 ){
		9606	free(input_type);
		9607	return MULTIFILLCOLORS;
		9608	}
		9609	if( strcmp(input_type, multilabel) == 0 ){
		9610	free(input_type);
		9611	return MULTILABEL;
		9612	}
		9613	if( strcmp(input_type, multidash) == 0 ){
		9614	free(input_type);
		9615	return MULTIDASH;
		9616	}
		9617	if( strcmp(input_type, multisnaptogrid) == 0 ){
		9618	free(input_type);
		9619	return MULTISNAPTOGRID;
		9620	}
		9621	if( strcmp(input_type, multiuserinput) == 0 ){
		9622	free(input_type);
		9623	return MULTIUSERINPUT;
		9624	}
9386	schaersvoo	9625	if( strcmp(input_type, parallel) == 0 ){
		9626	free(input_type);
		9627	return PARALLEL;
		9628	}
9289	schaersvoo	9629	if( strcmp(input_type, protractor) == 0 ){
		9630	free(input_type);
		9631	return PROTRACTOR;
		9632	}
		9633	if( strcmp(input_type, ruler) == 0 ){
		9634	free(input_type);
		9635	return RULER;
		9636	}
9386	schaersvoo	9637	if( strcmp(input_type, cursor) == 0 \|\| strcmp(input_type, pointer) == 0 ){
9213	schaersvoo	9638	free(input_type);
9386	schaersvoo	9639	return CURSOR;
		9640	}
		9641	if( strcmp(input_type, sgraph) == 0 ){
		9642	free(input_type);
		9643	return SGRAPH;
		9644	}
		9645	if( strcmp(input_type, jsmath) == 0 ){
		9646	free(input_type);
		9647	return JSMATH;
		9648	}
		9649	if( strcmp(input_type, trace_jscurve) == 0 ){
		9650	free(input_type);
		9651	return TRACE_JSCURVE;
		9652	}
		9653	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		9654	free(input_type);
		9655	return JSCURVE;
		9656	}
		9657	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
		9658	free(input_type);
		9659	return CENTERSTRING;
		9660	}
		9661	if( strcmp(input_type, setlimits) == 0 ){
		9662	free(input_type);
		9663	return SETLIMITS;
		9664	}
		9665	if( strcmp(input_type, xunit) == 0 ){
		9666	free(input_type);
		9667	return XUNIT;
		9668	}
		9669	if( strcmp(input_type, yunit) == 0 ){
		9670	free(input_type);
		9671	return YUNIT;
		9672	}
		9673	if( strcmp(input_type, fill) == 0 ){
		9674	free(input_type);
		9675	return FLOODFILL;
		9676	}
		9677	if( strcmp(input_type, end) == 0){
		9678	free(input_type);
		9679	return END;
		9680	}
		9681	if( strcmp(input_type, blink) == 0 ){
		9682	free(input_type);
		9683	return BLINK;
		9684	}
		9685	if( strcmp(input_type, audio) == 0 ){
		9686	free(input_type);
		9687	return AUDIO;
		9688	}
		9689	if( strcmp(input_type, audioobject) == 0 ){
		9690	free(input_type);
		9691	return AUDIOOBJECT;
		9692	}
		9693	if( strcmp(input_type, patternfill) == 0 ){
		9694	free(input_type);
		9695	return PATTERNFILL;
		9696	}
		9697	if( strcmp(input_type, hatchfill) == 0 ){
		9698	free(input_type);
		9699	return HATCHFILL;
		9700	}
		9701	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
		9702	free(input_type);
		9703	return DIAMONDFILL;
		9704	}
		9705	if( strcmp(input_type, dotfill) == 0 ){
		9706	free(input_type);
		9707	return DOTFILL;
		9708	}
		9709	if( strcmp(input_type, gridfill) == 0 ){
		9710	free(input_type);
		9711	return GRIDFILL;
		9712	}
		9713	if( strcmp(input_type, imagefill) == 0 ){
		9714	free(input_type);
		9715	return IMAGEFILL;
		9716	}
		9717	if( strcmp(input_type, clicktile_colors) == 0 ){
		9718	free(input_type);
		9719	return CLICKTILE_COLORS;
		9720	}
		9721	if( strcmp(input_type, clicktile) == 0 ){
		9722	free(input_type);
		9723	return CLICKTILE;
		9724	}
		9725	if( strcmp(input_type, piechart) == 0 ){
		9726	free(input_type);
		9727	return PIECHART;
		9728	}
9433	schaersvoo	9729	if( strcmp(input_type, boxplot) == 0 ){
		9730	free(input_type);
		9731	return BOXPLOT;
		9732	}
9465	schaersvoo	9733	if( strcmp(input_type, boxplotdata) == 0 ){
9433	schaersvoo	9734	free(input_type);
9465	schaersvoo	9735	return BOXPLOTDATA;
9433	schaersvoo	9736	}
9465	schaersvoo	9737	if( strcmp(input_type, userboxplot) == 0 ){
		9738	free(input_type);
		9739	return USERBOXPLOT;
		9740	}
		9741	if( strcmp(input_type, userboxplotdata) == 0 ){
		9742	free(input_type);
		9743	return USERBOXPLOT;
		9744	}
9386	schaersvoo	9745	if( strcmp(input_type, barchart) == 0 ){
		9746	free(input_type);
		9747	return BARCHART;
		9748	}
		9749	if( strcmp(input_type, linegraph) == 0 ){
		9750	free(input_type);
		9751	return LINEGRAPH;
		9752	}
		9753	if( strcmp(input_type, clock) == 0 ){
		9754	free(input_type);
		9755	return CLOCK;
		9756	}
9427	schaersvoo	9757	if( strcmp(input_type, yerrorbars) == 0 ){
9386	schaersvoo	9758	free(input_type);
9427	schaersvoo	9759	return YERRORBARS;
		9760	}
		9761	if( strcmp(input_type, xerrorbars) == 0 ){
		9762	free(input_type);
		9763	return XERRORBARS;
		9764	}
11006	schaersvoo	9765	if( strcmp(input_type, canvastype) == 0 ){
9427	schaersvoo	9766	free(input_type);
11006	schaersvoo	9767	return CANVASTYPE;
		9768	}
11044	schaersvoo	9769	if( strcmp(input_type, noyaxis) == 0 ){
11006	schaersvoo	9770	free(input_type);
11044	schaersvoo	9771	return NOYAXIS;
		9772	}
		9773	if( strcmp(input_type, noxaxis) == 0 ){
		9774	free(input_type);
		9775	return NOXAXIS;
		9776	}
11767	schaersvoo	9777	if( strcmp(input_type, colorpalette) == 0 ){
11044	schaersvoo	9778	free(input_type);
11767	schaersvoo	9779	return COLORPALETTE;
		9780	}
11802	schaersvoo	9781	if( strcmp(input_type, resetoffset) == 0 ){
11767	schaersvoo	9782	free(input_type);
11802	schaersvoo	9783	return RESETOFFSET;
		9784	}
		9785	if( strcmp(input_type, xyoffset) == 0 ){
		9786	free(input_type);
		9787	return XYOFFSET;
		9788	}
		9789	if( strcmp(input_type, xoffset) == 0 \|\| strcmp(input_type, centered) == 0 ){
		9790	free(input_type);
		9791	return XOFFSET;
		9792	}
		9793	free(input_type);
7614	schaersvoo	9794	ungetc(c,infile);
		9795	return 0;
		9796	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 18071 – Rev 11806