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	*/
		1137	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
11820	schaersvoo	1138	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1139	js_function[DRAW_FILLTOBORDER] = 1;
		1140	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1141	}
		1142	decimals = find_number_of_digits(precision);
7614	schaersvoo	1143	for(i=0;i<5;i++){
		1144	switch(i){
11820	schaersvoo	1145	case 0: double_data[0] = get_real(infile,0); break; /* x */
		1146	case 1: double_data[1] = get_real(infile,0); break; /* y */
		1147	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1148	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1149	case 4: stroke_color = get_color(infile,1);
		1150	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
11820	schaersvoo	1151	string_length = snprintf(NULL,0, "draw_diamondfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1152	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11820	schaersvoo	1153	snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1154	add_to_buffer(tmp_buffer);
11820	schaersvoo	1155	fill_cnt++;
11806	schaersvoo	1156	break;
		1157	default:break;
		1158	}
		1159	}
		1160	reset();
		1161	break;
8224	bpr	1162
11806	schaersvoo	1163	case DOTFILL:
		1164	/*
		1165	@ dotfill x0,y0,dx,dy,color
		1166	@ x0,y0 in xrange / yrange
		1167	@ distances dx,dy in pixels
		1168	@ radius of dots is linewidth
		1169	*/
		1170	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
11817	schaersvoo	1171	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1172	js_function[DRAW_FILLTOBORDER] = 1;
		1173	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1174	}
		1175	decimals = find_number_of_digits(precision);
11806	schaersvoo	1176	for(i=0;i<5;i++){
		1177	switch(i){
11817	schaersvoo	1178	case 0: double_data[0] = get_real(infile,0); break; /* x in px */
		1179	case 1: double_data[1] = get_real(infile,0); break; /* y in py */
		1180	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1181	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1182	case 4: stroke_color = get_color(infile,1);
		1183	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
11817	schaersvoo	1184	string_length = snprintf(NULL,0, "draw_dotfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1185	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11817	schaersvoo	1186	snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",FILL_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1187	add_to_buffer(tmp_buffer);
11817	schaersvoo	1188	fill_cnt++;
7614	schaersvoo	1189	break;
11806	schaersvoo	1190	default:break;
7614	schaersvoo	1191	}
		1192	}
11806	schaersvoo	1193	reset();
		1194	break;
		1195
		1196	case DRAG:
		1197	/*
		1198	@ drag [x][y][xy]
		1199	@ the next object will be draggable in x / y / xy direction
		1200	@ the displacement can be read by 'javascript:read_dragdrop();'
		1201	@ 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' !
		1202	@ 'onclick' and 'drag x\|y\|xy' may be combined (for different objects: a single object can either be onclick or drag , not both )
		1203	@ '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)
		1204	@ <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
		1205	@ 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)
		1206	@ use keyword 'snaptogrid' , 'xsnaptogrid' , 'ysnaptogrid' or command 'snaptopoints x1,y1,x2,y2,...' to switch from free to discrete movement
		1207	@ 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.
		1208	@ 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 !!
		1209	*/
		1210	temp = get_string(infile,1);
		1211	if(strstr(temp,"xy") != NULL ){
		1212	drag_type = 0;
		1213	}
		1214	else
		1215	{
		1216	if(strstr(temp,"x") != NULL ){
		1217	drag_type = 1;
		1218	}
		1219	else
		1220	{
		1221	drag_type = 2;
		1222	}
		1223	}
		1224	/* assuming all drag&drop coordinates the same precision: so set only once */
		1225	if( print_drag_params_only_once == FALSE ){
		1226	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;\n",precision);
		1227	print_drag_params_only_once = TRUE;
		1228	}
		1229	onclick = 2;
		1230	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
7614	schaersvoo	1231	break;
8386	schaersvoo	1232
11806	schaersvoo	1233	case ELLIPSE:
8351	schaersvoo	1234	/*
11806	schaersvoo	1235	@ ellipse xc,yc,radius_x,radius_y,color
		1236	@ a ellipse with center xc/yc in x/y-range
		1237	@ radius_x and radius_y are in pixels
9406	schaersvoo	1238	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
11806	schaersvoo	1239	@ will shrink / expand on zoom out / zoom in
8351	schaersvoo	1240	*/
11806	schaersvoo	1241	for(i=0;i<5;i++){
		1242	switch(i){
		1243	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		1244	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		1245	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
		1246	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
		1247	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		1248	decimals = find_number_of_digits(precision);
		1249	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);
		1250	if(onclick > 0){click_cnt++;}
		1251	/* click_cnt++; */
		1252	reset();
		1253	break;
		1254	}
		1255	}
		1256	break;
		1257	case FILLALL:
		1258	/*
		1259	@ fillall color,x1,y1,x2,y2...x_n,y_n
		1260	@ fill all region containing points (x1:y1),(x2:y2)...(x_n:y_n) with color 'color'
		1261	@ any other colors (objects) in the <a href="#canvastype>canvastype</a> will act as border to the bucket fill
		1262	@ use this command after all boundary objects are declared.
		1263	@ Use command 'userdraw clickfill,color' for user click driven flood fill.
		1264	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1265	@ 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..
		1266	*/
		1267	decimals = find_number_of_digits(precision);
		1268	fill_color=get_color(infile,0); /* how nice: now the color comes first...*/
8351	schaersvoo	1269	i=0;
11806	schaersvoo	1270	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1271	js_function[DRAW_FILLTOBORDER] = 1;
		1272	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1273	}
8351	schaersvoo	1274	while( ! done ){ /* get next item until EOL*/
		1275	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1276	if(i%2 == 0 ){
		1277	double_data[i] = get_real(infile,0); /* x */
		1278	}
		1279	else
		1280	{
		1281	double_data[i] = get_real(infile,1); /* y */
11818	schaersvoo	1282	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[i-1],decimals,double_data[i],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1283	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11818	schaersvoo	1284	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[i-1],decimals,double_data[i],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1285	add_to_buffer(tmp_buffer);
		1286	fill_cnt++;
8351	schaersvoo	1287	}
		1288	i++;
		1289	}
11806	schaersvoo	1290	break;
		1291
		1292	case FILLED:
		1293	/*
		1294	@ filled
		1295	@ keyword (no arguments required)
		1296	@ the next 'fillable' object (only) will be filled
		1297	@ use command "fillcolor color" to set fillcolor
		1298	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1299	@ 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 !
		1300	*/
		1301	use_filled = TRUE;
		1302	break;
		1303
		1304	case FILLCOLOR:
		1305	/*
		1306	@ fillcolor colorname or #hex
		1307	@ set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1308	@ all fillable massive objects will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1309	*/
		1310	fill_color = get_color(infile,1);
		1311	break;
		1312
		1313	case FILLTOBORDER:
		1314	/*
		1315	@ filltoborder x,y,bordercolor,color
		1316	@ fill the region of point (x:y) with color 'color'
		1317	@ any other color will not act as border to the bucket fill
		1318	@ use this command after all boundary objects are declared.
		1319	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1320	@ 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..
		1321	@ maybe used together with command <a href="#userdraw">userdraw clickfill,color</a>
		1322	*/
		1323	for(i=0 ;i < 4 ; i++){
		1324	switch(i){
		1325	case 0:double_data[0] = get_real(infile,0);break;
		1326	case 1:double_data[1] = get_real(infile,0);break;
		1327	case 2:bgcolor = get_color(infile,0);break;
		1328	case 3:fill_color = get_color(infile,1);
		1329	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1330	js_function[DRAW_FILLTOBORDER] = 1;
		1331	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1332	}
		1333	decimals = find_number_of_digits(precision);
		1334	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
11818	schaersvoo	1335	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1336	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11818	schaersvoo	1337	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1338	add_to_buffer(tmp_buffer);
		1339	fill_cnt++;
		1340	break;
		1341	default:break;
8351	schaersvoo	1342	}
11806	schaersvoo	1343	}
		1344	reset();
		1345	break;
		1346	case FLOODFILL:
		1347	/*
		1348	@ floodfill x,y,color
		1349	@ alternative : fill x,y,color
		1350	@ fill the region of point (x:y) with color 'color'
		1351	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		1352	@ use this command after all boundary objects are declared.
		1353	@ Use command 'userdraw clickfill,color' for user click driven flood fill.
		1354	@ use command <a href="#canvastype">canvastype </a> to fill another canvas (default should be fine: DRAG_CANVAS = 5)
		1355	@ 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..
		1356	*/
		1357	for(i=0 ;i < 4 ; i++){
		1358	switch(i){
		1359	case 0:double_data[0] = get_real(infile,0);break;
		1360	case 1:double_data[1] = get_real(infile,0);break;
		1361	case 2:fill_color = get_color(infile,1);
		1362	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1363	js_function[DRAW_FILLTOBORDER] = 1;
		1364	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1365	}
		1366	decimals = find_number_of_digits(precision);
		1367	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
11818	schaersvoo	1368	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1369	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11818	schaersvoo	1370	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d],%d,false,null);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215),FILL_CANVAS+fill_cnt);
11806	schaersvoo	1371	add_to_buffer(tmp_buffer);
		1372	fill_cnt++;
		1373	break;
		1374	default:break;
		1375	}
		1376	}
		1377	reset();
		1378	break;
		1379
		1380	case FONTCOLOR:
		1381	/*
		1382	@ fontcolor color
		1383	@ color: hexcolor or colorname
		1384	@ default: black
		1385	@ example usage: x/y-axis text
		1386	*/
		1387	font_color = get_color(infile,1);
		1388	break;
		1389
		1390	case FONTFAMILY:
		1391	/*
		1392	@ fontfamily font_description
		1393	@ set the font family; for browsers that support it
		1394	@ font_description: Ariel ,Courier, Helvetica etc
		1395	@ 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
		1396	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1397	*/
		1398	font_family = get_string(infile,1);
		1399	break;
		1400
		1401	case FONTSIZE:
		1402	/*
		1403	@ fontsize font_size
		1404	@ default value 12
		1405	@ 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
		1406	*/
		1407	font_size = (int) (get_real(infile,1));
		1408	break;
		1409
		1410	case FUNCTION_LABEL:
		1411	/*
		1412	@ functionlabel 'some string'
		1413	@ default value "f(x)="
		1414	@ no mathml allowed (just ascii string)
		1415	@ use command 'fontsize int' to adjust the size
		1416	@ use command 'strokecolor colorname' to adjust the labels (individually, if needed)
		1417	@ if needed, use before every command 'userinput function \| inputfield \| textarea'
		1418	*/
		1419	function_label = get_string_argument(infile,1);
		1420	break;
		1421
		1422	case GRID:/* xmajor,ymajor,gridcolor [,xminor,yminor,tick length (px) ,axis/tickscolor]*/
		1423	/*
		1424	@ grid step_x,step_y,gridcolor
		1425	@ 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
		1426	@ 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
		1427	@ 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)
		1428	@ can <b>not</b> be set <a href="#onclick">"onclick"</a> or <a href="#drag">"drag xy"</a>
		1429	@ 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' !
		1430	@ 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')
		1431	@ 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')
		1432	*/
		1433	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
		1434	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1435	for(i=0;i<4;i++){
		1436	switch(i){
		1437	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1438	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1439	case 2:
		1440	if( use_axis == TRUE ){
		1441	stroke_color = get_color(infile,0);
		1442	done = FALSE;
		1443	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1444	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1445	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1446	fill_color = get_color(infile,1); /* used as axis_color*/
8351	schaersvoo	1447	}
		1448	else
		1449	{
11806	schaersvoo	1450	int_data[0] = 1;
		1451	int_data[1] = 1;
		1452	stroke_color = get_color(infile,1);
		1453	fill_color = stroke_color;
8351	schaersvoo	1454	}
11806	schaersvoo	1455	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 !");}
		1456	/* set snap_x snap_y values in pixels */
		1457	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
		1458	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);
		1459	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1460	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);
		1461	add_to_buffer(tmp_buffer);
		1462	break;
8351	schaersvoo	1463	}
		1464	}
		1465	reset();
		1466	break;
11806	schaersvoo	1467	case GRIDFILL:
		1468	/*
		1469	@ gridfill x0,y0,dx,dy,color
		1470	@ x0,y0 in xrange / yrange
		1471	@ distances dx,dy in pixels
		1472	*/
		1473	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
11820	schaersvoo	1474	decimals = find_number_of_digits(precision);
		1475	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1476	js_function[DRAW_FILLTOBORDER] = 1;
		1477	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1478	}
11806	schaersvoo	1479	for(i=0;i<5;i++){
		1480	switch(i){
11820	schaersvoo	1481	case 0: double_data[0] = get_real(infile,0); break; /* x */
		1482	case 1: double_data[1] = get_real(infile,0); break; /* y */
		1483	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1484	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1485	case 4: stroke_color = get_color(infile,1);
11820	schaersvoo	1486	string_length = snprintf(NULL,0, "draw_gridfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1487	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11820	schaersvoo	1488	snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1489	add_to_buffer(tmp_buffer);
11820	schaersvoo	1490	fill_cnt++;
11806	schaersvoo	1491	break;
		1492	default:break;
		1493	}
		1494	}
		1495	reset();
		1496	break;
8386	schaersvoo	1497
8244	schaersvoo	1498	case HALFLINE:
		1499	/*
		1500	@ demiline x1,y1,x2,y2,color
		1501	@ alternative : halfline
		1502	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
9406	schaersvoo	1503	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8244	schaersvoo	1504	*/
		1505	for(i=0;i<5;i++){
		1506	switch(i){
		1507	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		1508	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		1509	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		1510	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		1511	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		1512	if(double_data[0] == double_data[10]){ /* vertical halfline */
		1513	if(double_data[1] < double_data[11]){
		1514	double_data[3] = ymax + 1000;
		1515	}
		1516	else
		1517	{
		1518	double_data[3] = ymin - 1000;
		1519	}
10953	bpr	1520	double_data[2] = double_data[0];
8244	schaersvoo	1521	}
		1522	else
		1523	{ /* horizontal halfline*/
		1524	if( double_data[1] == double_data[11] ){
		1525	if( double_data[0] < double_data[10] ){
		1526	double_data[2] = xmax + 1000; /* halfline to the right */
		1527	}
		1528	else
		1529	{
		1530	double_data[2] = xmin - 1000; /* halfline to the left */
		1531	}
		1532	double_data[3] = double_data[1];
		1533	}
		1534	else
		1535	{
		1536	/* any other halfline */
		1537	/* slope */
		1538	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		1539	/* const */
		1540	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		1541	if( double_data[0] < double_data[10] ){
		1542	double_data[2] = double_data[2] + 1000;
		1543	}
		1544	else
		1545	{
		1546	double_data[2] = double_data[2] - 1000;
		1547	}
		1548	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		1549	}
10953	bpr	1550	}
11802	schaersvoo	1551	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	1552	if(onclick > 0){click_cnt++;}
		1553	/* click_cnt++; */
		1554	reset();
8244	schaersvoo	1555	break;
		1556	}
		1557	}
		1558	break;
8386	schaersvoo	1559
8365	schaersvoo	1560	case HALFLINES:
		1561	/*
		1562	@ demilines color,x1,y1,x2,y2,....
		1563	@ alternative : halflines
		1564	@ draws halflines starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex) etc etc
9406	schaersvoo	1565	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> indiviually
8365	schaersvoo	1566	*/
		1567	stroke_color=get_color(infile,0);
		1568	fill_color = stroke_color;
		1569	i=0;
		1570	while( ! done ){ /* get next item until EOL*/
		1571	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1572	if(i%2 == 0 ){
		1573	double_data[i] = get_real(infile,0); /* x */
		1574	}
		1575	else
		1576	{
		1577	double_data[i] = get_real(infile,1); /* y */
		1578	}
		1579	i++;
		1580	}
		1581	decimals = find_number_of_digits(precision);
		1582	for(c = 0 ; c < i-1 ; c = c+4){
		1583	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		1584	if(double_data[c+1] < double_data[c+3]){ /* upright halfline */
		1585	double_data[c+3] = ymax + 1000;
		1586	}
		1587	else
		1588	{
		1589	double_data[c+3] = ymin - 1000;/* descending halfline */
		1590	}
		1591	}
		1592	else
		1593	{
		1594	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		1595	if(double_data[c] < double_data[c+2] ){ /* halfline to the right */
		1596	double_data[c+2] = xmax+100;
		1597	}
		1598	else
		1599	{
		1600	double_data[c+2] = xmin-1000; /* halfline to the right */
		1601	}
		1602	}
		1603	else
		1604	{
		1605	/* m */
		1606	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		1607	/* q */
		1608	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		1609	if(double_data[c] < double_data[c+2]){ /* to the right */
		1610	double_data[c+2] = xmax+1000; /* 1000 is needed for dragging...otherwise it's just segment */
		1611	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1612	}
		1613	else
		1614	{ /* to the left */
		1615	double_data[c+2] = xmin - 1000;
		1616	double_data[c+3] = (m)*(double_data[c+2])+(q);
		1617	}
		1618	}
		1619	}
11802	schaersvoo	1620	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	1621	if(onclick > 0){click_cnt++;}
		1622	/* click_cnt++; */
8365	schaersvoo	1623	}
		1624	reset();
		1625	break;
11806	schaersvoo	1626	case HATCHFILL:
		1627	/*
		1628	@ hatchfill x0,y0,dx,dy,color
		1629	@ x0,y0 in xrange / yrange
		1630	@ distances dx,dy in pixels
		1631	*/
		1632	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
11820	schaersvoo	1633	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		1634	js_function[DRAW_FILLTOBORDER] = 1;
		1635	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
		1636	}
		1637	decimals = find_number_of_digits(precision);
11806	schaersvoo	1638	for(i=0;i<5;i++){
		1639	switch(i){
11820	schaersvoo	1640	case 0: double_data[0] = get_real(infile,0); break; /* x */
		1641	case 1: double_data[1] = get_real(infile,0); break; /* y */
		1642	case 2: int_data[0] = (int) (get_real(infile,0)); break; /* dx pixel */
		1643	case 3: int_data[1] = (int) (get_real(infile,0)); break; /* dy pixel*/
11806	schaersvoo	1644	case 4: stroke_color = get_color(infile,1);
		1645	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
11820	schaersvoo	1646	string_length = snprintf(NULL,0, "draw_hatchfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1647	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11820	schaersvoo	1648	snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%.f,%.f,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS+fill_cnt,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],line_width,stroke_color,stroke_opacity,xsize,ysize);
11806	schaersvoo	1649	add_to_buffer(tmp_buffer);
11820	schaersvoo	1650	fill_cnt++;
11806	schaersvoo	1651	break;
		1652	default:break;
		1653	}
		1654	}
		1655	reset();
		1656	break;
8386	schaersvoo	1657
8224	bpr	1658	case HLINE:
7614	schaersvoo	1659	/*
		1660	@ hline x,y,color
9383	schaersvoo	1661	@ alternative : horizontalline
7614	schaersvoo	1662	@ draw a horizontal line through point (x:y) in color 'color'
9373	schaersvoo	1663	@ 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	1664	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	1665	*/
		1666	for(i=0;i<3;i++) {
		1667	switch(i){
		1668	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		1669	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		1670	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		1671	double_data[3] = double_data[1];
		1672	decimals = find_number_of_digits(precision);
11802	schaersvoo	1673	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	1674	if(onclick > 0){click_cnt++;}
		1675	/* click_cnt++; */
		1676	reset();
7614	schaersvoo	1677	break;
		1678	}
		1679	}
		1680	break;
8366	schaersvoo	1681
		1682	case HLINES:
		1683	/*
		1684	@ hlines color,x1,y1,x2,y2,...
9383	schaersvoo	1685	@ alternative : horizontallines
8366	schaersvoo	1686	@ draw horizontal lines through points (x1:y1)...(xn:yn) in color 'color'
9406	schaersvoo	1687	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8366	schaersvoo	1688	*/
		1689	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1690	fill_color = stroke_color;
		1691	i=0;
		1692	while( ! done ){ /* get next item until EOL*/
		1693	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1694	if(i%2 == 0 ){
		1695	double_data[i] = get_real(infile,0); /* x */
		1696	}
		1697	else
		1698	{
		1699	double_data[i] = get_real(infile,1); /* y */
		1700	}
		1701	i++;
		1702	}
		1703	decimals = find_number_of_digits(precision);
		1704	for(c = 0 ; c < i-1 ; c = c+2){
11802	schaersvoo	1705	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	1706	if(onclick > 0){click_cnt++;}
		1707	/* click_cnt++; */
8366	schaersvoo	1708	}
		1709	reset();
		1710	break;
11806	schaersvoo	1711	case HTTP:
7614	schaersvoo	1712	/*
11806	schaersvoo	1713	@ http x1,y1,x2,y2,http://some_adress.com
		1714	@ an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
		1715	@ do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1716	@ can <b>not</b> be 'set onclick' or 'drag xy'
7614	schaersvoo	1717	*/
11806	schaersvoo	1718	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		1719	for(i=0;i<5;i++){
7614	schaersvoo	1720	switch(i){
11806	schaersvoo	1721	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1722	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1723	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1724	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1725	case 4: decimals = find_number_of_digits(precision);
		1726	temp = get_string(infile,1);
		1727	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1728	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);
		1729	check_string_length(string_length);tmp_buffer = my_newmem(string_length+2);
		1730	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);
		1731	add_to_buffer(tmp_buffer);
7614	schaersvoo	1732	break;
		1733	}
		1734	}
11806	schaersvoo	1735	reset();
7614	schaersvoo	1736	break;
11806	schaersvoo	1737	case HTML:
8366	schaersvoo	1738	/*
11806	schaersvoo	1739	@ html x1,y1,x2,y2,html_string
		1740	@ 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.
		1741	@ can be set onclick <br />(however dragging not supported)
8366	schaersvoo	1742	*/
11806	schaersvoo	1743	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1744	for(i=0;i<5;i++){
		1745	switch(i){
		1746	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1747	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1748	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed : overflow */
		1749	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed : overflow */
		1750	case 4: decimals = find_number_of_digits(precision);
		1751	temp = get_string(infile,1);
		1752	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1753	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);
		1754	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1755	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);
		1756	add_to_buffer(tmp_buffer);
		1757	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
		1758	break;
		1759	default:break;
8366	schaersvoo	1760	}
		1761	}
		1762	reset();
		1763	break;
8386	schaersvoo	1764
11806	schaersvoo	1765	case IMAGEFILL:
7614	schaersvoo	1766	/*
11806	schaersvoo	1767	@ imagefill dx,dy,image_url
		1768	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		1769	@ After pattern filling ,the fill-color should be reset !
		1770	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		1771	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		1772	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		1773	@ if dx,dy is larger than the image, the whole image will be background to the next object.
7614	schaersvoo	1774	*/
11806	schaersvoo	1775	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		1776	for(i=0 ;i < 3 ; i++){
7614	schaersvoo	1777	switch(i){
11806	schaersvoo	1778	case 0:int_data[0] = (int) (get_real(infile,0));break;
		1779	case 1:int_data[1] = (int) (get_real(infile,0));break;
		1780	case 2: URL = get_string_argument(infile,1);
		1781	string_length = snprintf(NULL,0, "draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
		1782	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1783	snprintf(tmp_buffer,string_length,"draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
		1784	add_to_buffer(tmp_buffer);
		1785	break;
7614	schaersvoo	1786	}
		1787	}
11806	schaersvoo	1788	reset();
		1789	break;
		1790
		1791	case INPUTSTYLE:
		1792	/*
		1793	@ inputstyle style_description
		1794	@ may be used before any 'style-able' html object.(like inputfields or buttons)<br />or any html objects that are generated by some canvasdraw commands
		1795	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1796	*/
		1797	input_style = get_string(infile,1);
7614	schaersvoo	1798	break;
11806	schaersvoo	1799	case INPUT:
		1800	/*
		1801	@ input x,y,size,editable,value
		1802	@ to set inputfield "readonly", use editable = 0
		1803	@ only active inputfields (editable = 1) will be read with read_canvas();
		1804	@ if "$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>
		1805	@ may be further controlled by <a href="#inputstyle">"inputstyle"</a> (inputcss is not yet implemented...)
		1806	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (javascript:read_canvas();)
		1807	@ 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)
		1808	*/
		1809	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		1810	for(i = 0 ; i<5;i++){
		1811	switch(i){
		1812	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1813	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1814	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1815	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1816	case 4:
		1817	temp = get_string_argument(infile,1);
		1818	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);
		1819	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1820	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);
		1821	add_to_buffer(tmp_buffer);
		1822	input_cnt++;break;
		1823	default: break;
		1824	}
		1825	}
		1826	if(reply_format == 0 ){reply_format = 15;}
		1827	reset();
		1828	break;
8386	schaersvoo	1829
11806	schaersvoo	1830	case INTOOLTIP:
		1831	/*
		1832	@ intooltip link_text
		1833	@ link_text is a single line (span-element)
		1834	@ link_text may also be an image URL 'http://some_server/images/my_image.png' or '$module_dir/gifs/my_image.jpg'
		1835	@ link_text may contain HTML markup
		1836	@ the canvas will be displayed in a tooltip on 'link_text'
		1837	@ 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'.
		1838	@ 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...
		1839	*/
		1840	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy or other commands using the tooltip-div...see documentation");}
		1841	if( use_tooltip == 1 ){ canvas_error("command 'intooltip' cannot be combined with command 'popup'...");}
		1842	tooltip_text = get_string(infile,1);
		1843	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		1844	use_tooltip = 1;
		1845	break;
		1846
		1847	case JSCURVE:
7614	schaersvoo	1848	/*
11806	schaersvoo	1849	@ jscurve color,formula(x)
		1850	@ alternative : jsplot color,formula(x)
		1851	@ your function will be plotted by the javascript engine of the client browser.
		1852	@ use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
		1853	@ use parenthesis and rawmath : use 2*x instead of 2x ; use 2^(sin(x))...etc etc<br />use error console to debug any errors...
		1854	@ <b>attention</b> : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
		1855	@ no validity check is done by wims.
		1856	@ 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
		1857	@ 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
		1858	@ use command 'trace_jscurve formula(x)` for tracing
		1859	@ use command 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1860	@ can <b>not</b> be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> (yet)
		1861	@ commands plotjump / plotstep are not active for 'jscurve'
		1862	@ every command jscurve will produce a new canvas (canvastype 111,112,113...) for this one curve.
		1863	@ 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...)
		1864	*/
		1865	stroke_color = get_color(infile,0);
		1866	if( use_js_math == FALSE){/* add this stuff only once...*/
		1867	add_to_js_math(js_include_file);
		1868	use_js_math = TRUE;
		1869	}
		1870	if( use_js_plot == FALSE){
		1871	use_js_plot = TRUE;
		1872	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1873	}
		1874	temp = get_string(infile,1);
		1875	temp = str_replace(temp,",","\",\"");
		1876	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]);
		1877	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1878	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]);
		1879	add_to_buffer(tmp_buffer);
		1880	jsplot_cnt++;
		1881	/* we need to create multiple canvasses, so we may zoom and pan ?? */
		1882	break;
		1883
		1884	case JSMATH:
		1885	/*
		1886	@ jsmath some_math_function
		1887	@ will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
		1888	@ 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
		1889	@ use command 'inputstyle some_css' for styling the display fields. Use command 'fontsize int' to size the labels 'x' and 'y'
		1890	@ example: jsmath sin(x^2)
		1891	@ 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...
		1892	@ be aware that the formula's of the plotted function(s) can be found in the page javascript source
		1893	*/
		1894	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1895	if( use_js_math == FALSE){
		1896	add_to_js_math(js_include_file);
		1897	use_js_math = TRUE;
		1898	}
		1899	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1),font_size,input_style);
		1900	break;
		1901	case KILLAFFINE:
		1902	/*
		1903	@ killaffine
		1904	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1905	*/
		1906	use_affine = FALSE;
		1907	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1908	break;
		1909
		1910	case KILLROTATE:
		1911	/*
		1912	@ killrotate will reset the command <a href="#rotationcenter">rotationcenter xc,yc</a>
		1913	@ a following rotate command will have the first object point as rotation center
		1914	@ if not set, the rotation center will remain unchanged
		1915	*/
		1916	rotation_center= my_newmem(6);
		1917	snprintf(rotation_center,5,"null");
		1918	break;
		1919
		1920	case KILLSLIDER:
		1921	/*
		1922	@ killslider
		1923	@ keyword (no arguments required)
		1924	@ ends grouping of object under a previously defined slider
		1925	*/
		1926	slider = 0;
		1927	break;
		1928
		1929	case KILLTRANSLATION:
		1930	/*
		1931	@ killtranslation
		1932	@ alternative : killtranslate
		1933	@ resets the translation matrix to 1,0,0,1,0,0
		1934	*/
		1935	use_affine = FALSE;
		1936	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1937	break;
		1938
		1939	case LINE:
		1940	/*
		1941	@ line x1,y1,x2,y2,color
		1942	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		1943	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
9406	schaersvoo	1944	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	1945	*/
8386	schaersvoo	1946	for(i=0;i<5;i++){
7614	schaersvoo	1947	switch(i){
11806	schaersvoo	1948	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		1949	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		1950	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		1951	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		1952	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		1953	if( double_data[10] == double_data[12] ){ /* vertical line*/
		1954	double_data[1] = xmin;
		1955	double_data[3] = ymax;
		1956	double_data[0] = double_data[10];
		1957	double_data[2] = double_data[10];
		1958	}
		1959	else
		1960	{
		1961	if( double_data[11] == double_data[13] ){ /* horizontal line */
		1962	double_data[1] = double_data[11];
		1963	double_data[3] = double_data[11];
		1964	double_data[0] = ymin;
		1965	double_data[2] = xmax;
		1966	}
		1967	else
		1968	{
		1969	/* m */
		1970	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		1971	/* q */
		1972	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
		1973
		1974	/xmin,mxmin+q,xmax,mxmax+q/
		1975
		1976	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		1977	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		1978	double_data[0] = xmin;
		1979	double_data[2] = xmax;
		1980	}
		1981	}
		1982	decimals = find_number_of_digits(precision);
		1983	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);
		1984	if(onclick > 0){click_cnt++;}
		1985	/* click_cnt++;*/
		1986	reset();
		1987	break;
7614	schaersvoo	1988	}
		1989	}
		1990	break;
8386	schaersvoo	1991
11806	schaersvoo	1992	case LINES:
8370	schaersvoo	1993	/*
11806	schaersvoo	1994	@ lines color,x1,y1,x2,y2...x_n-1,y_n-1,x_n,y_n
		1995	@ draw multiple lines through points (x1:y1)--(x2:y2) ...(x_n-1:y_n-1)--(x_n:y_n) in color 'color'
		1996	@ 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)
		1997	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		1998	@ <b>attention</b>: the flydraw command "lines" is equivalent to canvasdraw command <a href="#polyline">"polyline"</a>
8370	schaersvoo	1999	*/
		2000	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2001	fill_color = stroke_color;
		2002	i=0;
		2003	while( ! done ){ /* get next item until EOL*/
		2004	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2005	if(i%2 == 0 ){
		2006	double_data[i] = get_real(infile,0); /* x */
		2007	}
		2008	else
		2009	{
		2010	double_data[i] = get_real(infile,1); /* y */
		2011	}
		2012	i++;
		2013	}
		2014	decimals = find_number_of_digits(precision);
		2015	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	2016	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		2017	double_data[c+1] = xmin;
		2018	double_data[c+3] = ymax;
		2019	double_data[c+2] = double_data[c];
		2020	}
		2021	else
		2022	{
		2023	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		2024	double_data[c+3] = double_data[c+1];
		2025	double_data[c] = ymin;
		2026	double_data[c+2] = xmax;
		2027	}
		2028	else
		2029	{
		2030	/* m */
		2031	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		2032	/* q */
		2033	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		2034	/xmin,mxmin+q,xmax,mxmax+q/
		2035	double_data[c+1] = (m)*(xmin)+(q);
		2036	double_data[c+3] = (m)*(xmax)+(q);
		2037	double_data[c] = xmin;
		2038	double_data[c+2] = xmax;
		2039	}
		2040	}
		2041	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	2042	if(onclick > 0){click_cnt++;}
		2043	/* click_cnt++; */
8370	schaersvoo	2044	}
		2045	reset();
		2046	break;
8386	schaersvoo	2047
11806	schaersvoo	2048
		2049	case LINEWIDTH:
7614	schaersvoo	2050	/*
11806	schaersvoo	2051	@ linewidth int
		2052	@ default 1
7614	schaersvoo	2053	*/
11806	schaersvoo	2054	line_width = (int) (get_real(infile,1));
		2055	break;
		2056
		2057	case LATTICE:
		2058	/*
		2059	@ lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
		2060	@ can <b>not</b> be set "onclick" or "drag xy"
		2061	*/
		2062	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		2063	for( i = 0; i<9; i++){
7614	schaersvoo	2064	switch(i){
11806	schaersvoo	2065	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		2066	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		2067	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		2068	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
		2069	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		2070	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
		2071	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		2072	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		2073	case 8: stroke_color=get_color(infile,1);
7614	schaersvoo	2074	decimals = find_number_of_digits(precision);
11806	schaersvoo	2075	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);
		2076	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2077	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);
		2078	add_to_buffer(tmp_buffer);break;
		2079	default:break;
7614	schaersvoo	2080	}
		2081	}
11806	schaersvoo	2082	reset();
7614	schaersvoo	2083	break;
8363	schaersvoo	2084
11806	schaersvoo	2085	case LEVELCURVE:
8363	schaersvoo	2086	/*
11806	schaersvoo	2087	@ levelcurve color,expression in x/y,l1,l2,...
		2088	@ draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		2089	@ the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		2090	@ 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
		2091	@ note : the arrays for holding the javascript data are limited in size
		2092	@ 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	2093	*/
11806	schaersvoo	2094	fill_color = get_color(infile,0);
		2095	char *fun1 = get_string_argument(infile,0);
		2096	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		2097	i = 0;
		2098	done = FALSE;
		2099	while( !done ){
		2100	double_data[i] = get_real(infile,1);
		2101	i++;
		2102	}
		2103	for(c = 0 ; c < i; c++){
		2104	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);
		2105	if(onclick > 0){click_cnt++;}
		2106	/* click_cnt++; */
		2107	}
		2108	reset();
		2109	break;
8386	schaersvoo	2110
11806	schaersvoo	2111	case LEGEND:
		2112	/*
		2113	@ legend string1:string2:string3....string_n
		2114	@ will be used to create a legend for a graph
		2115	@ also see command <a href='#piechart'>'piechart'</a>
		2116	@ will use the same colors per default as used in the graphs : use command <a href='#legendcolors'>'legendcolors'</a> to override the default
		2117	@ use command <a href="#fontsize">fontsize</a> to adjust. (command "fontfamily" is not active for command "legend")
		2118	*/
		2119	temp = get_string(infile,1);
		2120	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2121	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		2122	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
		2123	break;
		2124
		2125	case LEGENDCOLORS:
		2126	/*
		2127	@ legendcolors color1:color2:color3:...:color_n
		2128	@ 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
		2129	@ make sure the number of colours match the number of legend items
		2130	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
		2131	*/
		2132	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
		2133	temp = get_string(infile,1);
		2134	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2135	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
		2136	break;
		2137
		2138	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2139	/*
		2140	@ linegraph x1:y1:x2:y2...x_n:y_n
		2141	@ will plot your data in a graph
		2142	@ may <b>only</b> to be used together with command <a href='#grid'>'grid'</a>
		2143	@ 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>
		2144	@ use command <a href='#legend'>'legend'</a> to provide an optional legend in right-top-corner
		2145	@ also see command <a href='#piechart'>'piechart'</a>
		2146	@ multiple linegraphs may be used in a single plot
		2147	@ note: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		2148	@ <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>
		2149	*/
		2150	temp = get_string(infile,1);
		2151	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
		2152	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);
		2153	linegraph_cnt++;
		2154	reset();
		2155	break;
		2156
		2157	case MATHML:
		2158	/*
		2159	@ mathml x1,y1,x2,y2,mathml_string
		2160	@ 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.
		2161	@ in case of drag(xy\|x\|y) \| onclick the div rectangle left to corner will be the drag-anchor of the mathml object
		2162	@ 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
		2163	@ 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...
		2164	@ 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
		2165	@ 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
		2166	@ userdraw may be combined with 'mathml' ; the read_canvas() will contain the drawing.
		2167	@ draggable or onclick 'external images' from command <a href='#copyresized'>copy or copyresized</a> can be combined with drag and/or onclick mathml
		2168	@ other drag objects (circles/rects etc) are supported , but read_dragdrop() will probably be difficult to interpret...
		2169	@ 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();"
		2170	@ 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....
		2171	*/
		2172	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2173	for(i=0;i<5;i++){
		2174	switch(i){
		2175	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2176	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2177	case 2: int_data[2]=x2px(get_real(infile,0));break;/* no more width needed : overflow */
		2178	case 3: int_data[3]=y2px(get_real(infile,0));break;/* no more height needed : overflow */
		2179	case 4: decimals = find_number_of_digits(precision);
		2180	temp = get_string(infile,1);
		2181	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2182	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);
		2183	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2184	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);
		2185	add_to_buffer(tmp_buffer);
		2186	if(onclick == 1 \|\| onclick == 2 ){click_cnt++;}
		2187	/*
		2188	in case inputs are present , trigger adding the read_mathml()
		2189	if no other reply_format is defined
		2190	note: all other reply types will include a reading of elements with id='mathml'+p)
		2191	*/
		2192	if(strstr(temp,"mathml0") != NULL){
		2193	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
		2194	}
		2195	break;
		2196	default:break;
		2197	}
		2198	}
		2199	reset();
		2200	break;
		2201
		2202	case MOUSE:
		2203	/*
		2204	@ mouse color,fontsize
		2205	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2206	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2207
		2208	*/
		2209	stroke_color = get_color(infile,0);
		2210	font_size = (int) (get_real(infile,1));
		2211	tmp_buffer = my_newmem(26);
		2212	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2213	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
		2214	break;
		2215
		2216
		2217	case MOUSE_DEGREE:
		2218	/*
		2219	@ mouse_degree color,fontsize
		2220	@ 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
		2221	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
		2222	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2223
		2224	*/
		2225	stroke_color = get_color(infile,0);
		2226	font_size = (int) (get_real(infile,1));
		2227	tmp_buffer = my_newmem(26);
		2228	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2229	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2230	js_function[JS_FIND_ANGLE] = 1;
		2231	break;
		2232	case MOUSE_DISPLAY:
		2233	/*
		2234	@ display TYPE,color,fontsize
		2235	@ TYPE may be x \| y \| xy \| degree \| radian \| radius
		2236	@ 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)
		2237	@ use commands 'xunit' and / or 'yunit' to add the units to the mouse values.<br />The "degree \| radian" will always have the appropriate symbol)
		2238	@ just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2239	*/
		2240	temp = get_string_argument(infile,0);
		2241	if( strstr(temp,"xy") != NULL ){
		2242	int_data[0] = 2;
		2243	}else{
		2244	if( strstr(temp,"y") != NULL ){
		2245	int_data[0] = 1;
		2246	}else{
		2247	if( strstr(temp,"x") != NULL ){
		2248	int_data[0] = 0;
		2249	}else{
		2250	if(strstr(temp,"degree") != NULL){
		2251	int_data[0] = 3;
		2252	js_function[JS_FIND_ANGLE] = 1;
		2253	}else{
		2254	if(strstr(temp,"radian") != NULL){
		2255	int_data[0] = 4;
		2256	js_function[JS_FIND_ANGLE] = 1;
		2257	}else{
		2258	if(strstr(temp,"radius") != NULL){
		2259	int_data[0] = 5;
		2260	}else{
		2261	int_data[0] = 2;
		2262	}
		2263	}
		2264	}
		2265	}
		2266	}
		2267	}
		2268	stroke_color = get_color(infile,0);
		2269	font_size = (int) (get_real(infile,1));
		2270	tmp_buffer = my_newmem(26);
		2271	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2272	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2273	break;
		2274
		2275	case MOUSE_PRECISION:
		2276	/*
		2277	@ precision int
		2278	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
		2279	@ may be used / changed before every object
		2280	@ In case of user interaction (like 'userdraw' or 'multidraw') this value will be used to determine the amount of decimals in the reply / answer
		2281	*/
		2282	precision = (int) (get_real(infile,1));
		2283	if(precision < 1 ){precision = 1;};
		2284	break;
		2285
		2286	case MOUSEX:
		2287	/*
		2288	@ mousex color,fontsize
		2289	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using the fontfamily Ariel
		2290	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2291
		2292	*/
		2293	stroke_color = get_color(infile,0);
		2294	font_size = (int) (get_real(infile,1));
		2295	tmp_buffer = my_newmem(26);
		2296	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2297	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2298	break;
		2299	case MOUSEY:
		2300	/*
		2301	@ mousey color,fontsize
		2302	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
		2303	@ note: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2304
		2305	*/
		2306	stroke_color = get_color(infile,0);
		2307	font_size = (int) (get_real(infile,1));
		2308	tmp_buffer = my_newmem(26);
		2309	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2310	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2311	break;
		2312
		2313	case MULTIDASH:
		2314	/*
		2315	@ multidash 0,1,1
		2316	@ meaning draw objects no. 2 (circle) and 3 (segments), in the list of command like <em>'multifill points,circle,segments'</em>, are dashed
		2317	@ use before command <a href='#multidraw'>'multidraw'</a>
		2318	@ 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>
		2319	@ 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)
		2320	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2321	@ always use the same sequence as is used for 'multidraw'
		2322	*/
		2323	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2324	temp = get_string(infile,1);
		2325	temp = str_replace(temp,",","\",\"");
		2326	fprintf(js_include_file,"var multidash = [\"%s\"];",temp);
		2327	reset();/* if command 'dashed' was given...reset to not-dashed */
		2328	break;
		2329
		2330	case MULTIDRAW:
		2331	/*
		2332	@ multidraw obj_type_1,obj_type_2...obj_type_11
		2333	@ for simple single object user drawings you could also use command <a href="#userdraw">'userdraw'</a>
		2334	@ 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>
		2335	@ 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
		2336	@ 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...
		2337	@ 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)
		2338	@ 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'
		2339	@ 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)
		2340	@ multidraw is incompatible with command 'tooltip' (the reserved div_area is used for the multidraw control buttons)
		2341	@ all 'multidraw' drawings will scale on zooming.<br />this in contrast to the command <a href="#userdraw">'userdraw'</a>.
		2342	@ wims will <b>not</b> check the amount or validity of your command arguments ! <br />( use javascript console to debug any typo's )
		2343	@ 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>
		2344	@ 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 />
		2345	@ <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.
		2346	@ <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>
		2347	*/
		2348	// if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2349	if( use_userdraw == TRUE ){canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");}
		2350	use_userdraw = TRUE;
		2351	/* LET OP max 6 DRAW PRIMITIVES + TEXT */
		2352	temp = get_string(infile,1);
		2353	temp = str_replace(temp,",","\",\"");
		2354	/* if these are not set, set the default values for the 6 (!!!) draw_primitives + draw_text */
		2355	fprintf(js_include_file,"\
		2356	if( typeof(multistrokecolors) === 'undefined' && multistrokecolors == null ){ var multistrokecolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2357	if( typeof(multifillcolors) === 'undefined' && multifillcolors == null ){ var multifillcolors = ['%s','%s','%s','%s','%s','%s','%s','%s','%s'];};\
		2358	if( typeof(multistrokeopacity) === 'undefined' && multistrokeopacity == null ){ var multistrokeopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2359	if( typeof(multifillopacity) === 'undefined' && multifillopacity == null ){ var multifillopacity = ['%.2f','%.2f','%.2f','%.2f','%.2f','%.2f','%2.f','%2.f','%2.f'];};\
		2360	if( typeof(multilinewidth) === 'undefined' && multilinewidth == null ){ var multilinewidth = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2361	if( typeof(multifill) === 'undefined' && multifill == null ){ var multifill = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2362	if( typeof(multidash) === 'undefined' && multidash == null ){ var multidash = ['%d','%d','%d','%d','%d','%d','%d','%d','%d'];};\
		2363	if( typeof(multilabel) === 'undefined' && multilabel == null ){ var multilabel = [\"%s\",\"stop drawing\"];};\
		2364	if( typeof(multiuserinput) === 'undefined' && multiuserinput == null ){ var multiuserinput= ['0','0','0','0','0','0','0','0'];};\
		2365	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];};};};};\
		2366	var arrow_head = %d;var multifont_color = '%s';var multifont_family = '%s';",
		2367	stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,stroke_color,
		2368	fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,fill_color,
		2369	stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,stroke_opacity,
		2370	fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,fill_opacity,
		2371	line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,line_width,
		2372	use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,use_filled,
		2373	use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,use_dashed,
		2374	temp,arrow_head,font_color,font_family);
		2375
		2376	if(strstr(temp,"text") != NULL){
		2377	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		2378	}
		2379
		2380	/* the canvasses range from 1000 ... 1008 */
		2381	add_js_multidraw(js_include_file,canvas_root_id,temp,input_style);
		2382	reply_precision = precision;
		2383	if( reply_format == 0){reply_format = 29;}
		2384	reset();/* if command 'filled' / 'dashed' was given...reset all */
		2385	break;
		2386	case MULTILABEL:
		2387	/*
		2388	@ multilabel button_label_1,button_label_2,...,button_label_8,'stop drawing text'
		2389	@ use before command <a href='#multidraw'>'multidraw'</a>
		2390	@ 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'...)
		2391	@ 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>
		2392	@ 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>
		2393	@ wims will not check the amount or validity of your input
		2394	@ always use the same sequence as is used for 'multidraw'
		2395	*/
		2396	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2397	temp = get_string(infile,1);
		2398	temp = str_replace(temp,",","\",\"");
		2399	fprintf(js_include_file,"var multilabel = [\"%s\"];",temp);
		2400	break;
		2401	case MULTILINEWIDTH:
		2402	/*
		2403	@ multilinewidth linewidth_1,linewidth_2,...,linewidth_8
		2404	@ use before command <a href='#multidraw'>'multidraw'</a>
		2405	@ if not set all line width will be set by a previous command <em>'linewidth int'</em>
		2406	@ 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>
		2407	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2408	@ always use the same sequence as is used for 'multidraw'
		2409	*/
		2410	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2411	temp = get_string(infile,1);
		2412	temp = str_replace(temp,",","\",\"");
		2413	fprintf(js_include_file,"var multilinewidth = [\"%s\"];",temp);
		2414	break;
		2415	case MULTIFILL:
		2416	/*
		2417	@ multifill 0,0,1,0,1,0,0
		2418	@ 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...)
		2419	@ use before command <a href='#multidraw'>'multidraw'</a>
		2420	@ if not set all objects -except point\|points- will be set 'not filled'...<br />unless a command 'filled' was given before command 'multifill'
		2421	@ only suitable for draw_primitives like 'circle \| circles' , 'triangle \| triangles' and 'polygon'
		2422	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2423	@ always use the same sequence as is used for 'multidraw'
		2424	*/
		2425	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2426	temp = get_string(infile,1);
		2427	temp = str_replace(temp,",","\",\"");
		2428	fprintf(js_include_file,"var multifill = [\"%s\"];",temp);
		2429	break;
		2430
		2431	case MULTIFILLCOLORS:
		2432	/*
		2433	@ multifillcolors color_name_1,color_name_2,...,color_name_8
		2434	@ use before command <a href='#multidraw'>'multidraw'</a>
		2435	@ if not set all fillcolors (for circle \| triangle \| poly[3-9] \| closedpoly ) will be 'stroke_color' , 'fill_opacity'
		2436	@ use these up to 6 colors for the draw primitives used by command 'multidraw obj_type_1,obj_type_2...obj_type_n
		2437	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
		2438	@ always use the same sequence as is used for 'multidraw'
		2439	@ 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>
		2440	*/
		2441	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2442	fprintf(js_include_file,"var multifillcolors = [");
		2443	while( ! done ){
		2444	temp = get_color(infile,1);
		2445	fprintf(js_include_file,"\"%s\",",temp);
		2446	}
		2447	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2448	break;
		2449
		2450	case MULTIFILLOPACITY:
		2451	/*
		2452	@ multifillopacity fill_opacity_1,fill_opacity_2,...,fill_opacity_8
		2453	@ float values 0 - 1 or integer values 0 - 255
		2454	@ use before command <a href='#multidraw'>'multidraw'</a>
		2455	@ if not set all fill opacity_ will be set by previous command <em>'opacity int,int'</em> and keyword <em>'filled'</em>
		2456	@ 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>
		2457	@ wims will not check the amount or validity of your input
		2458	@ always use the same sequence as is used for 'multidraw'
		2459	*/
		2460	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2461	temp = get_string(infile,1);
		2462	temp = str_replace(temp,",","\",\"");
		2463	fprintf(js_include_file,"var multifillopacity = [\"%s\"];",temp);
		2464	break;
		2465	case MULTISNAPTOGRID:
		2466	/*
		2467	@ multisnaptogrid 0,1,1
		2468	@ 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>)
		2469	@ only the x-values snap_to_grid: <em>multisnaptogrid 0,2,2</em>
		2470	@ only the y-values snap_to_grid: <em>multisnaptogrid 0,3,3</em>
		2471	@ 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
		2472	@ use before command <a href='#multidraw'>'multidraw'</a>
		2473	@ if not set all objects will be set 'no snap'...<br />unless a generic command 'snaptogrid' was given before command 'multidraw'
		2474	@ 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
		2475	@ always use the same sequence as is used for 'multidraw'
		2476	@ wims will <b>not</b> check if the number of 0 or 1's matches the amount of draw primitives...
		2477	*/
		2478	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2479	temp = get_string(infile,1);
		2480	temp = str_replace(temp,",","\",\"");
		2481	fprintf(js_include_file,"var multisnaptogrid = [\"%s\"];",temp);
		2482	reset();/* if command 'dashed' was given...reset to not-dashed */
		2483	break;
		2484	case MULTISTROKECOLORS:
		2485	/*
		2486	@ multistrokecolors color_name_1,color_name_2,...,color_name_8
		2487	@ use before command <a href='#multidraw'>'multidraw'</a>
		2488	@ if not set all colors will be 'stroke_color' , 'stroke_opacity'
		2489	@ 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>
		2490	@ wims will <b>not</b> check if the number of colours matches the amount of draw primitives...
		2491	@ always use the same sequence as is used for 'multidraw'
		2492	*/
		2493	if( use_tooltip == 1 ){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2494	fprintf(js_include_file,"var multistrokecolors = [");
		2495	while( ! done ){
		2496	temp = get_color(infile,1);
		2497	fprintf(js_include_file,"\"%s\",",temp);
		2498	}
		2499	fprintf(js_include_file,"\"0,0,0\"];");/* add black to avoid trouble with dangling comma... */
		2500	break;
		2501	case MULTISTROKEOPACITY:
		2502	/*
		2503	@ multistrokeopacity stroke_opacity_1,stroke_opacity_2,...,stroke_opacity_7
		2504	@ float values 0 - 1 or integer values 0 - 255
		2505	@ use before command <a href='#multidraw'>'multidraw'</a>
		2506	@ if not set all stroke opacity_ will be set by previous command <em>'opacity int,int'</em>
		2507	@ 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>
		2508	@ wims will not check the amount or validity of your input
		2509	@ always use the same sequence as is used for 'multidraw'
		2510	*/
		2511	if( use_tooltip == 1){canvas_error("command 'multidraw' is incompatible with command 'intooltip tip_text'");}
		2512	temp = get_string(infile,1);
		2513	temp = str_replace(temp,",","\",\"");
		2514	fprintf(js_include_file,"var multistrokeopacity = [\"%s\"];",temp);
		2515	break;
		2516
		2517	case MULTIUSERINPUT:
		2518	/*
		2519	@ multiuserinput 0,1,1,0
		2520	@ 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
		2521	@ 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
		2522	@ 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...
		2523	@ in case of a triangle \| poly3, three inputfields are provided.
		2524	@ in case of 'text' and multiuserinput=1 , 3 inputfields will be shown : x,y,text
		2525	@ in case of 'text' and multiuserinput=0 , 1 inputfield will be shown : text ... a mouse click will place the text on the canvas.
		2526	@ may be styled using command <a href="#inputstyle">"inputstyle"</a>
		2527	@ an additional button 'stop drawing' may be used to combine userbased drawings with 'drag&drop' or 'onclick' elements
		2528	@ when exercise if finished (status=done) the buttons will not be shown.<br />To override this default behaviour use command / keyword 'status'
		2529	@ use before command <a href='#multidraw'>'multidraw'</a>
		2530	@ always use the same sequence as is used for 'multidraw'
		2531	*/
		2532	/* simple rawmath and input check */
		2533	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		2534	temp = get_string(infile,1);
		2535	temp = str_replace(temp,",","\",\"");
		2536	fprintf(js_include_file,"var multiuserinput = [\"%s\"];",temp);
		2537	break;
		2538
		2539	case NOXAXIS:
		2540	/*
		2541	@ noaxis
		2542	@ keyword
		2543	@ if set, the automatic x-axis numbering will be ignored
		2544	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="grid">grid</a>
		2545	@ to be used before command grid (see <a href="#grid">command grid</a>)
		2546	*/
		2547	fprintf(js_include_file,"x_strings = [0,\" \"];\n");
		2548	use_axis_numbering = 1;
		2549	break;
		2550	case NOYAXIS:
		2551	/*
		2552	@ noayis
		2553	@ keyword
		2554	@ if set, the automatic y-axis numbering will be ignored
		2555	@ use command <a href="#axis">axis</a> to have a visual x/y-axis lines (see command <a href="grid">grid</a>
		2556	@ to be used before command grid (see <a href="#grid">command grid</a>)
		2557	*/
		2558	fprintf(js_include_file,"y_strings = [0,\" \"];\n");
		2559	use_axis_numbering = 1;
		2560	break;
		2561	case OPACITY:
		2562	/*
		2563	@ opacity 0-255,0-255
		2564	@ opacity 0.0 - 1.0,0.0 - 1.0
		2565	@ alternative : transparent
		2566	@ first item is stroke opacity, second is fill opacity
		2567	*/
		2568	for(i = 0 ; i<2;i++){
		2569	switch(i){
		2570	case 0: double_data[0]= get_real(infile,0);break;
		2571	case 1: double_data[1]= get_real(infile,1);break;
		2572	default: break;
		2573	}
		2574	}
		2575	if( double_data[0] > 255 \|\| double_data[1] > 255 ){ canvas_error("opacity [0 - 255] , [0 - 255] ");}/* typo or non-RGB ? */
		2576	if( double_data[0] > 1 ){ stroke_opacity = (double) (0.0039215double_data[0]); }else{ stroke_opacity = double_data[0];} / 0.0 - 1.0 */
		2577	if( double_data[0] > 1 ){ fill_opacity = (double) (0.0039215double_data[1]); }else{ fill_opacity = double_data[0];} / 0.0 - 1.0 */
		2578	break;
		2579
		2580	case ONCLICK:
		2581	/*
		2582	@ onclick
		2583	@ keyword (no arguments required)
		2584	@ if the next object is clicked, its 'object onclick_or_drag sequence number' in fly script is returned <br /> by javascript:read_canvas();
		2585	@ 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'
		2586	@ line based objects will show an increase in line width<br />font based objects will show the text in 'bold' when clicked.
		2587	@ the click zone (accuracy) is determined by 2× the line width of the object
		2588	@ 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...)
		2589	@ note: not all objects may be set onclick
		2590	*/
		2591	fprintf(js_include_file,"use_dragdrop_reply = true;");
		2592	onclick = 1;
		2593
		2594	break;
		2595
		2596	case PARALLEL:
		2597	/*
		2598	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
		2599	@ can <b>not</b> be set "onclick" or "drag xy"
		2600	*/
		2601	for( i = 0;i < 8; i++ ){
		2602	switch(i){
		2603	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		2604	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		2605	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		2606	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		2607	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		2608	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		2609	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		2610	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		2611	decimals = find_number_of_digits(precision);
		2612	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);
		2613	if(onclick > 0){click_cnt++;}
		2614	/* click_cnt++*/;
		2615	reset();
		2616	break;
		2617	default: break;
		2618	}
		2619	}
		2620	break;
		2621
		2622
		2623	case PLOTSTEPS:
		2624	/*
		2625	@ plotsteps a_number
		2626	@ default 150
		2627	@ only used for commands <a href="#curve">"curve / plot"</a> and <a href="#levelcurve">"levelcurve"</a>
		2628	@ use with care !
		2629	*/
		2630	plot_steps = (int) (get_real(infile,1));
		2631	break;
		2632
		2633	case POINT:
		2634	/*
		2635	@ point x,y,color
		2636	@ draw a single point at (x;y) in color 'color'
		2637	@ use command 'linewidth int' to adust size
		2638	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		2639	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
		2640	@ attention: in case of command <a href="#rotate">'rotate angle'</a> a point has rotation center (0:0) in x/y-range
		2641	*/
		2642	for(i=0;i<3;i++){
		2643	switch(i){
		2644	case 0: double_data[0] = get_real(infile,0);break; /* x */
		2645	case 1: double_data[1] = get_real(infile,0);break; /* y */
		2646	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		2647	decimals = find_number_of_digits(precision);
		2648	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);
		2649	/* click_cnt++; */
		2650	if(onclick > 0){click_cnt++;}
		2651	break;
		2652	default: break;
		2653	}
		2654	}
		2655	reset();
		2656	break;
		2657
		2658	case POINTS:
		2659	/*
		2660	@ points color,x1,y1,x2,y2,...,x_n,y_n
		2661	@ draw multiple points at given coordinates in color 'color'
		2662	@ use command 'linewidth int' to adust size
		2663	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
		2664	@ attention: in case of command <a href="#rotate">'rotate angle'</a> the points have rotation center (0:0) in x/y-range
		2665	*/
8363	schaersvoo	2666	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2667	fill_color = stroke_color;
		2668	i=0;
		2669	while( ! done ){ /* get next item until EOL*/
		2670	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2671	if(i%2 == 0 ){
		2672	double_data[i] = get_real(infile,0); /* x */
		2673	}
		2674	else
		2675	{
		2676	double_data[i] = get_real(infile,1); /* y */
		2677	}
		2678	i++;
		2679	}
		2680	decimals = find_number_of_digits(precision);
11806	schaersvoo	2681	for(c = 0 ; c < i-1 ; c = c+2){
		2682	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	2683	/* click_cnt++; */
11806	schaersvoo	2684	if(onclick > 0){click_cnt++;}
8363	schaersvoo	2685	}
		2686	reset();
		2687	break;
11806	schaersvoo	2688
		2689	case POLY:
		2690	/*
		2691	@ poly color,x1,y1,x2,y2...x_n,y_n
		2692	@ polygon color,x1,y1,x2,y2...x_n,y_n
		2693	@ draw closed polygon
		2694	@ use command 'fpoly' to fill it or use keyword <a href='#filled'>'filled'</a>
		2695	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		2696	*/
		2697	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2698	i=0;
		2699	c=0;
		2700	while( ! done ){ /* get next item until EOL*/
		2701	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2702	for( c = 0 ; c < 2; c++){
		2703	if(c == 0 ){
		2704	double_data[i] = get_real(infile,0);
		2705	i++;
		2706	}
		2707	else
		2708	{
		2709	double_data[i] = get_real(infile,1);
		2710	i++;
		2711	}
		2712	}
		2713	}
		2714	/* draw path : closed & optional filled */
		2715	decimals = find_number_of_digits(precision);
		2716	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);
		2717	if(onclick > 0){click_cnt++;}
		2718	/* click_cnt++; */
		2719	reset();
		2720	break;
		2721
7614	schaersvoo	2722	case POLYLINE:
		2723	/*
		2724	@ polyline color,x1,y1,x2,y2...x_n,y_n
10975	schaersvoo	2725	@ brokenline color,x1,y1,x2,y2...x_n,y_n
		2726	@ path color,x1,y1,x2,y2...x_n,y_n
		2727	@ remark: there is <b>no</b> command polylines \| brokenlines \| paths ... just use multiple commands "polyline ,x1,y1,x2,y2...x_n,y_n"
		2728	@ 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
		2729	@ 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)
		2730	@ use command <a href='#segments'>'segments'</a> for a series of segments.<br />these may be clicked/dragged individually
9406	schaersvoo	2731	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	2732	*/
		2733	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2734	i=0;
		2735	c=0;
		2736	while( ! done ){ /* get next item until EOL*/
		2737	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2738	for( c = 0 ; c < 2; c++){
		2739	if(c == 0 ){
		2740	double_data[i] = get_real(infile,0);
		2741	i++;
		2742	}
		2743	else
		2744	{
		2745	double_data[i] = get_real(infile,1);
		2746	i++;
		2747	}
		2748	}
		2749	}
		2750	/* draw path : not closed & not filled */
		2751	decimals = find_number_of_digits(precision);
11802	schaersvoo	2752	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	2753	if(onclick > 0){click_cnt++;}
		2754	/* click_cnt++;*/
		2755	reset();
7614	schaersvoo	2756	break;
11806	schaersvoo	2757
		2758	case POPUP:
		2759	/*
		2760	@ popup
		2761	@ keyword (no arguments)
		2762	@ if fly-script starts with keyword 'popup', the canvas image will be exclusively in a popup window (xsize px × ysize px)
		2763	@ if keyword 'popup' is used after command 'size xsize,ysize' the canvas will also be displayed in a popup window with size 'xsize × ysize'
		2764	@ the popup window will be embedded into the page as a 'normal' image , when 'status=done' ; override with keyword <a href="#status"> 'nostatus'</a>
		2765	@ 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>
		2766	@ 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
		2767	*/
		2768	use_tooltip = 2;
		2769	break;
		2770
		2771	case PROTRACTOR:
7614	schaersvoo	2772	/*
11806	schaersvoo	2773	@ protractor x,y,x_width,type,mode,use_a_scale
		2774	@ x,y are the initial location
		2775	@ x_width : give the width in x-coordinate system (e.g. not in pixels !)
		2776	@ type = 1 : a triangle range 0 - 180<br />type = 2 : a circle shape 0 - 360
		2777	@ 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
		2778	@ 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>
		2779	@ use_scale = 1 : the protractor will have some scale values printed; use_scale=0 to disable
		2780	@ the rotating direction of the mouse around the protractor determines the clockwise/ counter clockwise rotation of the protractor...
		2781	@ commands <em>stroke_color \| fill_color \| linewidth \| opacity \| font_family</em> will determine the looks of the protractor.
		2782	@ default replyformat: reply[0] = x;reply[1] = y;reply[2] = angle_in_radians<br />use command 'precision' to set the reply precision.
		2783	@ if combined with a ruler, use replyformat = 32
		2784	@ command <em>snap_to_grid</em> may be used to assist the pupil at placing the protractor
		2785	@ 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>
		2786	@ only one protractor allowed (for the time being)
		2787	@ 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	2788	*/
11806	schaersvoo	2789	for( i = 0;i < 6; i++ ){
		2790	switch(i){
		2791	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		2792	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		2793	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		2794	case 3: int_data[0] = (int)(get_real(infile,0));break; /* type: 1==triangle 2 == circle */
		2795	case 4: int_data[1] = (int)(get_real(infile,0));break; /* passive mode == 0; active mode == -1 */
		2796	case 5: int_data[2] = (int)(get_real(infile,1)); /* use scale */
		2797	decimals = find_number_of_digits(precision);
11821	schaersvoo	2798	if( int_data[1] < 0 ){ js_function[JS_FIND_ANGLE] = 1;}
11806	schaersvoo	2799	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]);
		2800
		2801	string_length = snprintf(NULL,0,";protractor%d(); ",canvas_root_id);
		2802	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2803	snprintf(tmp_buffer,string_length,";protractor%d(); ",canvas_root_id);
		2804	add_to_buffer(tmp_buffer);
		2805	reply_precision = precision;
		2806	/* no reply from protractor if non-interactive */
		2807	if( reply_format == 0 && int_data[1] == -1 ){reply_format = 30;}
		2808	break;
		2809	default: break;
		2810	}
		2811	}
		2812	break;
		2813
		2814	case PIXELS:
		2815	/*
		2816	@ pixels color,x1,y1,x2,y2,x3,y3...
		2817	@ draw rectangular "points" with diameter 1 pixel
		2818	@ pixels can <b>not</b> be dragged or clicked
		2819	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2820	*/
		2821	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2822	stroke_color=get_color(infile,0);
7614	schaersvoo	2823	i=0;
		2824	c=0;
		2825	while( ! done ){ /* get next item until EOL*/
		2826	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2827	for( c = 0 ; c < 2; c++){
		2828	if(c == 0 ){
		2829	double_data[i] = get_real(infile,0);
		2830	i++;
		2831	}
		2832	else
		2833	{
		2834	double_data[i] = get_real(infile,1);
		2835	i++;
		2836	}
		2837	}
		2838	}
11806	schaersvoo	2839	decimals = find_number_of_digits(precision);
		2840	/* double_xy2js_array(double xy[],int len,int decimals) /
		2841	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2842	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2843	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2844	add_to_buffer(tmp_buffer);
		2845	reset();
7614	schaersvoo	2846	break;
11806	schaersvoo	2847
		2848	case PIXELSIZE:
7614	schaersvoo	2849	/*
11806	schaersvoo	2850	@ pixelsize int
		2851	@ in case you want to deviate from default pixelsize = 1(...)
7614	schaersvoo	2852	*/
11806	schaersvoo	2853	pixelsize = (int) get_real(infile,1);
		2854	break;
8105	schaersvoo	2855
11806	schaersvoo	2856	case PIECHART:
7614	schaersvoo	2857	/*
11806	schaersvoo	2858	@ piechart xc,yc,radius,'data+colorlist'
		2859	@ (xc : yc) center of circle diagram in xrange/yrange
		2860	@ radius in pixels
		2861	@ 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
		2862	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2863	@ the number of colors must match the number of data.
		2864	@ use command "<a href='#opacity'>'opacity'</a> to adjust fill_opacity of colours
		2865	@ 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	2866	*/
11806	schaersvoo	2867	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2868	for(i=0;i<5;i++){
		2869	switch(i){
11806	schaersvoo	2870	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2871	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2872	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2873	case 3: temp = get_string(infile,1);
		2874	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2875	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);
		2876	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2877	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);
		2878	add_to_buffer(tmp_buffer);
		2879	break;
		2880	default:break;
7614	schaersvoo	2881	}
		2882	}
11806	schaersvoo	2883	reset();
7614	schaersvoo	2884	break;
8304	schaersvoo	2885
7614	schaersvoo	2886	case RAYS:
		2887	/*
		2888	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		2889	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	2890	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	2891	*/
		2892	stroke_color=get_color(infile,0);
7786	schaersvoo	2893	fill_color = stroke_color;
		2894	double_data[0] = get_real(infile,0);/* xc */
		2895	double_data[1] = get_real(infile,0);/* yc */
		2896	i=2;
		2897	while( ! done ){ /* get next item until EOL*/
		2898	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		2899	if(i%2 == 0 ){
		2900	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	2901	}
7786	schaersvoo	2902	else
		2903	{
		2904	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	2905	}
7786	schaersvoo	2906	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		2907	i++;
7614	schaersvoo	2908	}
8224	bpr	2909
		2910	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		2911	decimals = find_number_of_digits(precision);
7786	schaersvoo	2912	for(c=2; c<i;c = c+2){
11802	schaersvoo	2913	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	2914	/* click_cnt++; */
		2915	if(onclick > 0){click_cnt++;}
7614	schaersvoo	2916	}
		2917	reset();
		2918	break;
8304	schaersvoo	2919
11806	schaersvoo	2920	case RECT:
8386	schaersvoo	2921	/*
11806	schaersvoo	2922	@ rect x1,y1,x2,y2,color
		2923	@ use command 'frect x1,y1,x2,y2,color' for a filled rectangle
		2924	@ use command/keyword <a href='#filled'>'filled'</a> before command 'rect x1,y1,x2,y2,color'
9406	schaersvoo	2925	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8386	schaersvoo	2926	*/
11806	schaersvoo	2927	for(i=0;i<5;i++){
		2928	switch(i){
		2929	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		2930	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		2931	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		2932	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		2933	case 4:stroke_color = get_color(infile,1);/* name or hex color */
8386	schaersvoo	2934	decimals = find_number_of_digits(precision);
11806	schaersvoo	2935	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);
		2936	if(onclick > 0){click_cnt++;}
		2937	/* click_cnt++; */
8386	schaersvoo	2938	reset();
		2939	break;
11806	schaersvoo	2940	}
		2941	}
		2942	break;
8386	schaersvoo	2943
11806	schaersvoo	2944	case RECTS:
8304	schaersvoo	2945	/*
11806	schaersvoo	2946	@ rects color,x1,y1,x2,y2,.....
		2947	@ use command 'frect color,x1,y1,x2,y2,.....' for a filled rectangle
		2948	@ use command/keyword <a href='#filled'>'filled'</a> before command 'rects color,x1,y1,x2,y2,....'
		2949	@ use command 'fillcolor color' before 'frects' to set the fill colour.
9406	schaersvoo	2950	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8304	schaersvoo	2951	*/
		2952	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		2953	fill_color = stroke_color;
		2954	i=0;
		2955	while( ! done ){ /* get next item until EOL*/
		2956	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2957	if(i%2 == 0 ){
		2958	double_data[i] = get_real(infile,0); /* x */
		2959	}
		2960	else
		2961	{
		2962	double_data[i] = get_real(infile,1); /* y */
		2963	}
		2964	i++;
		2965	}
		2966	decimals = find_number_of_digits(precision);
		2967	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	2968	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);
		2969	if(onclick > 0){click_cnt++;}
8379	schaersvoo	2970	/* click_cnt++; */
8304	schaersvoo	2971	}
		2972	reset();
		2973	break;
8386	schaersvoo	2974
11806	schaersvoo	2975	case REPLYFORMAT:
7614	schaersvoo	2976	/*
11806	schaersvoo	2977	@ replyformat number
		2978	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
		2979	@ default values should be fine !
		2980	@ use command 'precision [0,1,10,100,1000,10000...]' before command 'replyformat' to set the desired number of decimals in the student reply / drawing
		2981	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
		2982	@ 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>
		2983
		2984	*/
		2985	reply_format = (int) get_real(infile,1);
		2986	reply_precision = precision;
		2987	break;
		2988
		2989	case ROUNDRECT:
		2990	/*
		2991	@ roundrect x1,y1,x2,y2,radius in px,color
		2992	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		2993	@ use command/keyword <a href='#filled'>'filled'</a> before command 'roundrect x1,y1,x2,y2,radius,color'
		2994	@ fillcolor will be identical to 'color'
9406	schaersvoo	2995	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	2996	*/
11806	schaersvoo	2997	for(i=0;i<6;i++){
		2998	switch(i){
		2999	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		3000	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		3001	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		3002	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		3003	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		3004	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		3005	/* ensure no inverted roundrect is produced... */
		3006	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];}
		3007	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	3008	decimals = find_number_of_digits(precision);
11806	schaersvoo	3009	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	3010	if(onclick > 0){click_cnt++;}
		3011	/* click_cnt++;*/
		3012	reset();
11806	schaersvoo	3013	break;
		3014	}
		3015	}
		3016	break;
8386	schaersvoo	3017
11806	schaersvoo	3018	case ROUNDRECTS:
8347	schaersvoo	3019	/*
11806	schaersvoo	3020	@ roundrects color,radius in px,x1,y1,x2,y2,x3,y3,x4,y4,....
		3021	@ for filled roundrects use command/keyword <a href='#filled'>'filled'</a> before command
9406	schaersvoo	3022	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
8347	schaersvoo	3023	*/
11806	schaersvoo	3024
8347	schaersvoo	3025	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
11806	schaersvoo	3026	int_data[0] = (int) (get_real(infile,0)); /* radius value in pixels */
8347	schaersvoo	3027	fill_color = stroke_color;
		3028	i=0;
		3029	while( ! done ){ /* get next item until EOL*/
		3030	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3031	if(i%2 == 0 ){
		3032	double_data[i] = get_real(infile,0); /* x */
		3033	}
		3034	else
		3035	{
		3036	double_data[i] = get_real(infile,1); /* y */
		3037	}
		3038	i++;
		3039	}
		3040	decimals = find_number_of_digits(precision);
		3041	for(c = 0 ; c < i-1 ; c = c+4){
11806	schaersvoo	3042	/* ensure no inverted roundrect is produced... */
		3043	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];}
		3044	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];}
		3045	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);
		3046	if(onclick > 0){click_cnt++;}
8379	schaersvoo	3047	/* click_cnt++; */
8347	schaersvoo	3048	}
		3049	reset();
		3050	break;
8386	schaersvoo	3051
11806	schaersvoo	3052	case RULER:
7614	schaersvoo	3053	/*
11806	schaersvoo	3054	@ ruler x,y,x-width ,y-height,mode
		3055	@ x,y are the initial location
		3056	@ x-width , y-height are the ruler dimensions width & height in xy-coordinate system
		3057	@ 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
		3058	@ 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
		3059	@ if combined with a protractor, use replyformat = 32
		3060	@ only one ruler allowed (for the time being)
		3061	@ 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>
		3062	@ 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	3063	*/
11806	schaersvoo	3064	for( i = 0;i < 5; i++ ){
7614	schaersvoo	3065	switch(i){
11806	schaersvoo	3066	case 0: double_data[0] = get_real(infile,0);break; /* x-center */
		3067	case 1: double_data[1] = get_real(infile,0);break; /* y-center */
		3068	case 2: double_data[2] = get_real(infile,0);break; /* x-width */
		3069	case 3: double_data[3] = get_real(infile,0);break; /* y-width */
		3070	case 4: int_data[0] = (int)(get_real(infile,1)); /* passive mode */
		3071	decimals = find_number_of_digits(precision);
		3072	if( int_data[0] < 0 ){
		3073	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1; }
		3074	}
		3075	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]);
		3076	string_length = snprintf(NULL,0,";ruler%d(); ",canvas_root_id);
		3077	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3078	snprintf(tmp_buffer,string_length,";ruler%d(); ",canvas_root_id);
		3079	add_to_buffer(tmp_buffer);
		3080	reply_precision = precision;
		3081	/* no reply from ruler if non-interactive */
		3082	if( reply_format == 0 && int_data[0] == -1 ){reply_format = 31;}
7614	schaersvoo	3083	break;
		3084	default: break;
		3085	}
		3086	}
		3087	break;
8386	schaersvoo	3088
11806	schaersvoo	3089	case RESETOFFSET:
7614	schaersvoo	3090	/*
11806	schaersvoo	3091	@ resetoffset
		3092	@ keyword ; use to restore text placement on the canvas to the real (x;y) coordinates of the left bottom corner of the text
		3093	@ 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	3094	*/
11806	schaersvoo	3095	use_offset = 0;
		3096	break;
		3097
		3098	case ROTATE:
		3099	/*
		3100	@ rotate rotation_angle
		3101	@ angle in degrees
		3102	@ (only) the next object will be rotated is given angle
		3103	@ positive values rotate counter clockwise
		3104	@ 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)
		3105	@ 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>
		3106	@ 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
		3107	*/
		3108	use_rotate = TRUE;
		3109	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	3110	break;
11806	schaersvoo	3111	case ROTATION_CENTER:
9306	schaersvoo	3112	/*
11806	schaersvoo	3113	@ rotationcenter x_center,y_center
		3114	@ define an rotation center in your x/y-coordinate system
		3115	@ wims will not check the validity of your input; use javascript console to debug any erors
		3116	@ if not defined a rotation will be around the first point of an object
		3117	@ to be used before command <a href="#rotate">rotate</a>
		3118	@ all other commands will use this rotation center, unless a <a href="#killrotation">killrotation</a> is given
9306	schaersvoo	3119	*/
11806	schaersvoo	3120	temp = get_string(infile,1);
		3121	string_length = snprintf(NULL,0,"[ %s ]",temp);
		3122	check_string_length(string_length);
		3123	rotation_center = my_newmem(string_length+1);
		3124	snprintf(rotation_center,string_length,"[%s]",temp);
9306	schaersvoo	3125	break;
11806	schaersvoo	3126
		3127	case SIZE:
		3128	/*
		3129	@ size width,height
		3130	@ set canvas size in pixels
		3131	@ mandatory first command (can only be preceded by keyword <a href="#popup">'popup'</a>)
		3132	@ 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
		3133	*/
		3134	found_size_command = 1;
		3135	/* using fabs : however "xsize == int" : so "xsize = abs( (int) get_real(infile,0))" would be the idea... */
		3136	xsize = (int)(fabs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		3137	ysize = (int)(fabs(round(get_real(infile,1))));
		3138	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		3139	xmin = 0;xmax = xsize;
		3140	ymin = 0;ymax = ysize;
		3141
		3142	/*
		3143	The sequence in which stuff is finally printed is important !!
		3144	*/
		3145	fprintf(stdout,"\n\
		3146	<script type=\"text/javascript\">\n\
		3147	/<![CDATA[/\n\
		3148	if( typeof(wims_status) === 'undefined' ){ var wims_status = \"$status\";};\
		3149	if( typeof(use_dragdrop_reply) === 'undefined' ){ var use_dragdrop_reply = false;};\
		3150	if( typeof(canvas_scripts) === 'undefined' ){ var canvas_scripts = new Array();};\
		3151	canvas_scripts.push(\"%d\");\n/]]>/\n</script>\n\
		3152	",canvas_root_id);
		3153
		3154	/* style=\"display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\" */
		3155	if( use_tooltip != 2){
		3156	fprintf(stdout,"<!-- canvasdraw div -->\n\
		3157	<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\
		3158	<!-- tooltip and input placeholder -->\n\
		3159	<div id=\"tooltip_placeholder_div%d\" style=\"text-align:center\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\
		3160	<!-- include actual object code via include file -->\n\
		3161	<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);
		3162	}
		3163	else
		3164	{
		3165	/*
		3166	set canvas_div invisible and do not include placeholder in main html page :
		3167	the js-include will also be in a popup window...to be shown when wims $status = done
		3168	*/
		3169	fprintf(stdout,"<!-- canvasdraw div invisible -->\n\
		3170	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"display:none;position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div>\n\
		3171	<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>\
		3172	<!-- include actual object code via include file -->\n\
		3173	<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);
		3174	}
		3175
		3176	/* these must be global...it's all really very poor javascript :( */
		3177	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n\
		3178	\"use strict\";\n\
		3179	<!-- these variables and functions must be global -->\n\
		3180	var read_dragdrop%d;\
		3181	var read_canvas%d;\
		3182	var set_clock;\
		3183	var clear_draw_area%d;\
		3184	var update_draw_area%d;\
		3185	var draw_boxplot;\
		3186	var redraw_all%d;\
		3187	var userdraw_primitive;\n\
		3188	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		3189	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
		3190	var xsize = %d;\
		3191	var ysize = %d;\
		3192	var precision = 100;\
		3193	var canvas_div = document.getElementById(\"canvas_div%d\");\
		3194	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;};\
		3195	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;};\
		3196	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);};};\
		3197	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);};};\
		3198	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);};};\
		3199	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);};};\
		3200	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		3201	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
		3202	function distance(x1,y1,x2,y2){return Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) );};\
		3203	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) ));};\
		3204	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;};\
		3205	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;};\
		3206	var isTouch = (('ontouchstart' in window) \|\| (navigator.msMaxTouchPoints > 0));\
		3207	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		3208	var use_snap_to_points = 0;\
		3209	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		3210	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n\
		3211	var xlogbase = 10;\
		3212	var ylogbase = 10;\
		3213	var use_xlogscale = 0;\
		3214	var use_ylogscale = 0;\
		3215	var x_strings = null;var x_strings_up = null;\
		3216	var y_strings = null;\
		3217	var use_pan_and_zoom = 0;\
		3218	var use_jsmath = 0;\
		3219	var xstart = 0;\
		3220	var ystart = 0;\
		3221	var unit_x=\" \";\
		3222	var unit_y=\" \";\
		3223	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);
		3224	/* default add the drag code : nearly always used ...*/
		3225	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		3226
		3227	break;
		3228
		3229
		3230	case SEGMENT:
7614	schaersvoo	3231	/*
11806	schaersvoo	3232	@ segment x1,y1,x2,y2,color
		3233	@ alternative : seg
		3234	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		3235	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
7614	schaersvoo	3236	*/
11806	schaersvoo	3237	for(i=0;i<5;i++) {
7614	schaersvoo	3238	switch(i){
11806	schaersvoo	3239	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		3240	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		3241	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		3242	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		3243	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		3244	decimals = find_number_of_digits(precision);
		3245	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);
		3246	if(onclick > 0){click_cnt++;}
		3247	/* click_cnt++; */
		3248	reset();
		3249	break;
		3250	default: break;
7614	schaersvoo	3251	}
		3252	}
		3253	break;
10953	bpr	3254
11806	schaersvoo	3255	case SEGMENTS:
9213	schaersvoo	3256	/*
11806	schaersvoo	3257	@ segments color,x1,y1,x2,y2,...,x_n,y_n
		3258	@ alternative : segs
		3259	@ draw multiple segments between points (x1:y1)--(x2:y2).....and... (x_n-1:y_n-1)--(x_n:y_n) in color 'color'
		3260	@ use command 'linewidth int' to adust size
		3261	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
9213	schaersvoo	3262	*/
11806	schaersvoo	3263	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		3264	fill_color = stroke_color;
		3265	i=0;
		3266	while( ! done ){ /* get next item until EOL*/
		3267	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3268	if(i%2 == 0 ){
		3269	double_data[i] = get_real(infile,0); /* x */
		3270	}
		3271	else
		3272	{
		3273	double_data[i] = get_real(infile,1); /* y */
		3274	}
		3275	i++;
		3276	}
		3277	decimals = find_number_of_digits(precision);
		3278	for(c = 0 ; c < i-1 ; c = c+4){
		3279	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);
		3280	if(onclick > 0){click_cnt++;}
		3281	/* click_cnt++;*/
		3282	}
		3283	reset();
9213	schaersvoo	3284	break;
11806	schaersvoo	3285
		3286	case SETLIMITS:
9213	schaersvoo	3287	/*
11806	schaersvoo	3288	@ setlimits
		3289	@ keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		3290	@ may be used for inputfield based zooming / panning
		3291	@ may be styled using command <a href="#inputstyle">inputstyle</a>
		3292	@ use commands <a href="#xlabel">xlabel / ylabel</a> to change text from xmin to 'xlabel' etc
		3293	@ note:the input value will not be checked on validity
9213	schaersvoo	3294	*/
11806	schaersvoo	3295	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		3296	add_setlimits(js_include_file,canvas_root_id,font_size,input_style);
		3297	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		3298	use_pan_and_zoom = TRUE;
		3299	done = TRUE;
9213	schaersvoo	3300	break;
11806	schaersvoo	3301
		3302	case SETPIXEL:
9213	schaersvoo	3303	/*
11806	schaersvoo	3304	@ setpixel x,y,color
		3305	@ A rectangular "point" with diameter 1 pixel centered at (x:y) in xrange / yrange
		3306	@ pixels can <b>not</b> be dragged or clicked
		3307	@ "pixelsize = 1" may be changed by command "pixelsize int"
9213	schaersvoo	3308	*/
11806	schaersvoo	3309	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3310	for(i=0;i<3;i++){
		3311	switch(i){
		3312	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3313	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3314	case 2: stroke_color = get_color(infile,1);
		3315	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3316	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3317	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3318	add_to_buffer(tmp_buffer);
		3319	break;
		3320	default:break;
		3321	}
		3322	}
		3323	reset();
		3324	break;
		3325
		3326
		3327	case SLIDER:
9213	schaersvoo	3328	/*
11806	schaersvoo	3329	@ slider start_value,end_value,width px,height px,<em>type</em>,label
		3330	@ <em>type</em> may be : xy,x,y,angle
		3331	@ 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
		3332	@ if a unit (or something like that...) for x/y-value display is needed, use commands 'xunit' and / or 'yunit'
		3333	@ 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
		3334	@ use command 'slider' before draggable/clickable objects.
		3335	@ 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>
		3336	@ no slider for a math function, these can be traced using command 'trace_jscurve some_function_in_x'
		3337	@ 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'
		3338	@ amount of sliders is not limited.
		3339	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
		3340	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		3341	@ every draggable object may have its own slider (no limit in amount of sliders)
		3342	@ label: some slider text
		3343	@ use fillcolor for slider ball
		3344	@ use strokecolor for slider bar
		3345	@ use fontfamily / fontcolor to set used fonts
		3346	@ use opacity (only fill opacity will be used) to set transparency
		3347	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
9213	schaersvoo	3348	*/
11806	schaersvoo	3349	slider_cnt++;/* slider starts at 1 */
		3350	for(i=0; i<6 ; i++){
		3351	switch(i){
		3352	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		3353	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		3354	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		3355	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
		3356	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
		3357	if(strstr(temp,"xy")!= 0){
		3358	slider = 4;
		3359	}
		3360	else
		3361	{
		3362	if(strstr(temp,"x") != 0){
		3363	slider = 1;
		3364	}
		3365	else
		3366	{
		3367	if(strstr(temp,"y") != 0){
		3368	slider = 2;
		3369	}
		3370	else
		3371	{
		3372	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
		3373	slider = 3;
		3374	}
		3375	else
		3376	{
		3377	canvas_error("slider can be of type: xy,x,y,angle,fun_x:fun_y");
		3378	}
		3379	}
		3380	}
		3381	}
		3382	if(strstr(temp,"display")!=0){
		3383	if( slider == 4 ){ /* show x:y */
		3384	use_slider_display = 1; /* show x xy values in canvas window */
		3385	}
		3386	else
		3387	{
		3388	if( slider == 1 ){ /* show only x -values */
		3389	use_slider_display = 10;
		3390	}
		3391	else
		3392	{
		3393	use_slider_display = 11; /* show only y -values*/
		3394	}
		3395	}
		3396	}
		3397	else
		3398	{
		3399	if(strstr(temp,"degree")!= 0){
		3400	use_slider_display = 2; /* show angle values in canvas window */
		3401	}
		3402	else
		3403	{
		3404	if(strstr(temp,"radian")!=0){
		3405	use_slider_display = 3; /* show radian values in canvas window */
		3406	}
		3407	}
		3408	}
		3409	if(use_slider_display != 0 && slider_cnt == 1){ /add just once the display js-code /
		3410	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		3411	}
		3412	if(strstr(temp,"fun")!= 0){
		3413	if( use_js_math == FALSE){/* add this stuff only once...*/
		3414	add_to_js_math(js_include_file); use_js_math = TRUE;
		3415	}
		3416	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);
		3417	slider_function_x = "x";slider_function_y = "y";/* reset the functions for next slider...*/
		3418	}
		3419	else
		3420	{
		3421	fprintf(js_include_file,"var slider_function%d = {x:'x',y:'y'};",slider_cnt);
		3422	/* we must define these, otherwise 'use stict' will cause an error */
		3423	}
		3424	break;
		3425	case 5: /* some string used for slider description */
		3426	if(slider == 4){
		3427	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);
		3428	}
		3429	else
		3430	{
		3431	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);
		3432	}
		3433	break;
		3434	}
		3435	}
9213	schaersvoo	3436	break;
11806	schaersvoo	3437	case SLIDER_X:
9213	schaersvoo	3438	/*
11806	schaersvoo	3439	@ sliderfunction_x some_function_in_x
		3440	@ default value "x"
		3441	@ the x-value of the slider object(s) will be calculated with this function.
		3442	@ default is the x-slider value itself
		3443	@ only used by command 'slider'
		3444	@ define before a slider command !
9213	schaersvoo	3445	*/
11806	schaersvoo	3446	slider_function_x = get_string(infile,1);
		3447	break;
		3448	case SLIDER_Y:
		3449	slider_function_y = get_string(infile,1);
		3450	/*
		3451	@ sliderfunction_y some_function_in_y
		3452	@ default value "y"
		3453	@ the y-value of the slider object(s) will be calculated with this function.
		3454	@ only used by command 'slider'
		3455	@ define before a slider command !
		3456	*/
		3457	break;
		3458	case SGRAPH:
		3459	/*
		3460	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		3461	@ primitive implementation of a 'broken scale' graph...
		3462	@ 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 />
		3463	@ 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
		3464	*/
		3465	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		3466	for(i = 0 ; i < 8 ;i++){
		3467	switch(i){
		3468	case 0:double_data[0] = get_real(infile,0);break;
		3469	case 1:double_data[1] = get_real(infile,0);break;
		3470	case 2:double_data[2] = get_real(infile,0);break;
		3471	case 3:double_data[3] = get_real(infile,0);break;
		3472	case 4:int_data[0] = (int)(get_real(infile,0));break;
		3473	case 5:int_data[1] = (int)(get_real(infile,0));break;
		3474	case 6:stroke_color = get_color(infile,0);break;
		3475	case 7:font_color = get_color(infile,1);
		3476	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);
		3477	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3478	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);
		3479	add_to_buffer(tmp_buffer);
		3480	break;
		3481	default:break;
		3482	}
		3483	}
		3484	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
9213	schaersvoo	3485	break;
11806	schaersvoo	3486
		3487	case SNAPTOFUNCTION:
9213	schaersvoo	3488	/*
11806	schaersvoo	3489	@ snaptofunction some_function_in_x,some_funtion_in_y
		3490	@ alternative : snaptofun some_function_in_x,some_funtion_in_y
		3491	@ the next object will snap to the calculated values
		3492	@ if you want only modification of y-values,just use: snaptofunction x,5*sin(1/y)
		3493	@ if you want only modification of x-values,just use: snaptofunction 5*sin(1/x),y
		3494	@ for now only one instance of 'snaptofunction' is allowed
		3495	@ use rawmath on your functions: no validity checking is done by wims !
		3496	@ example:<br />....<br />snaptofunction 5(cos(x),4sin(y)<br />linewidth 3<br />userdraw points,blue<br />....<br />
		3497	@ example : switching x and y coordinates?<br />snaptofunction y,x
9213	schaersvoo	3498	*/
11806	schaersvoo	3499	temp = get_string_argument(infile,0);
		3500	fprintf(js_include_file,"\nuse_snap_to_points = 2;");
		3501	if( use_js_math == FALSE){/* add this stuff only once...*/
		3502	add_to_js_math(js_include_file); use_js_math = TRUE;
		3503	}
		3504	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));
		3505	break;
		3506	case SNAPTOPOINTS:
		3507	/*
		3508	@ snaptopoints x1,y1,x2,y2,x3,y3....
		3509	@ a userdraw object will snap to these points.
		3510	@ the array size (e.g. the number of points) of command 'snaptopoints' is limited by constant MAX_INT (canvasdraw.h)
		3511	@ a draggable object (use command "drag x\|y\|xy") will snap to the clossed of these points when dragged (mouseup)
		3512	@ other options: use keyword "snaptogrid", "xsnaptogrid" or "ysnaptogrid"
		3513	*/
		3514	i = 0;
		3515	while( ! done ){ /* get next item until EOL*/
		3516	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3517	if(i%2 == 0 ){
		3518	double_data[i] = get_real(infile,0); /* x */
		3519	}
		3520	else
		3521	{
		3522	double_data[i] = get_real(infile,1); /* y */
		3523	}
		3524	i++;
		3525	}
		3526	decimals = find_number_of_digits(precision);
		3527	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));
		3528	break;
		3529
		3530	case SNAPTOGRID:
		3531	/*
		3532	@ snaptogrid
		3533	@ keyword (no arguments required)
		3534	@ a draggable object (use command "drag x\|y\|xy") will snap to the given grid when dragged (mouseup)
		3535	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
		3536	@ if no grid is defined ,points will snap to every integer xrange/yrange value. (eg snap_x=1,snap_y=1)
		3537	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		3538	@ 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 />
		3539	*/
		3540	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
		3541	break;
		3542
		3543	case SQUARE:
		3544	/*
		3545	@ square x,y,side (px) ,color
		3546	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		3547	@ use command 'fsquare x,y,side,color' for a filled square
		3548	@ use command/keyword <a href='#filled'>'filled'</a> before command 'square x,y,side,color'
		3549	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		3550	*/
		3551	for(i=0;i<5;i++){
		3552	switch(i){
		3553	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		3554	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		3555	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		3556	case 3:
		3557	stroke_color = get_color(infile,1);/* name or hex color */
		3558	decimals = find_number_of_digits(precision);
		3559	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		3560	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
		3561	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);
		3562	if(onclick > 0){click_cnt++;}
		3563	/* click_cnt++; */
		3564	reset();
		3565	break;
		3566	}
		3567	}
9213	schaersvoo	3568	break;
11806	schaersvoo	3569
		3570	case STATUS:
9213	schaersvoo	3571	/*
11806	schaersvoo	3572	@ status
		3573	@ keyword
		3574	@ alernative : nostatus
		3575	@ used to override the effects of "status=done" in wims (answer.phtml)
		3576	@ affects 'readonly' in inputfields / textarea's in canvasimage and all userdraw based commands
		3577	@ 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	3578	*/
11806	schaersvoo	3579
		3580	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
9213	schaersvoo	3581	break;
11806	schaersvoo	3582
		3583	case STRING:
9213	schaersvoo	3584	/*
11806	schaersvoo	3585	@ string color,x,y,the text string
		3586	@ may be set "onclick" or "drag xy"
		3587	@ unicode supported: string red,0,0,\\u2232
		3588	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
9213	schaersvoo	3589	*/
11806	schaersvoo	3590	for(i=0;i<5;i++){
		3591	switch(i){
		3592	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		3593	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		3594	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		3595	case 3: decimals = find_number_of_digits(precision);
		3596	temp = get_string_argument(infile,1);
		3597	decimals = find_number_of_digits(precision);
		3598	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);
		3599	if(onclick > 0){click_cnt++;}
		3600	/* click_cnt++;*/
		3601	reset();
		3602	break;
		3603	default:break;
		3604	}
9213	schaersvoo	3605	}
		3606	break;
11806	schaersvoo	3607
		3608	case STRINGUP:
9213	schaersvoo	3609	/*
11806	schaersvoo	3610	@ stringup color,x,y,rotation_degrees,the text string
		3611	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		3612	@ unicode supported: stringup red,0,0,45,\\u2232
		3613	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		3614
9213	schaersvoo	3615	*/
11806	schaersvoo	3616	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		3617	for(i=0;i<6;i++){
		3618	switch(i){
		3619	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		3620	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		3621	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		3622	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		3623	case 4: decimals = find_number_of_digits(precision);
		3624	temp = get_string_argument(infile,1);
11811	schaersvoo	3625	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
11806	schaersvoo	3626	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11811	schaersvoo	3627	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
11806	schaersvoo	3628	add_to_buffer(tmp_buffer);
		3629	break;
		3630	default:break;
		3631	}
9213	schaersvoo	3632	}
11806	schaersvoo	3633	reset();
9213	schaersvoo	3634	break;
11767	schaersvoo	3635
11806	schaersvoo	3636	case STYLE:
11767	schaersvoo	3637	/*
11806	schaersvoo	3638	@ highlight color,opacity,linewidth
		3639	@ NOT IMPLEMENTED
		3640	@ use command "onclick" : when the object receives a userclick it will increase its linewidth
11767	schaersvoo	3641	*/
		3642	break;
11806	schaersvoo	3643
		3644
		3645	case STROKECOLOR:
9213	schaersvoo	3646	/*
11806	schaersvoo	3647	@ strokecolor colorname or #hex
		3648	@ to be used for commands that do not supply a color argument (like command 'linegraph')
9213	schaersvoo	3649	*/
11806	schaersvoo	3650	stroke_color = get_color(infile,1);
9213	schaersvoo	3651	break;
11806	schaersvoo	3652
		3653	case FLY_TEXT:
9213	schaersvoo	3654	/*
11806	schaersvoo	3655	@ text fontcolor,x,y,font,text_string
		3656	@ font may be described by keywords : giant,huge,normal,small,tiny
		3657	@ use command 'fontsize' to increase base fontsize for these keywords
		3658	@ may be set "onclick" or "drag xy"
		3659	@ backwards compatible with flydraw
		3660	@ unicode supported: text red,0,0,huge,\\u2232
		3661	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		3662	@ 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	3663	*/
11806	schaersvoo	3664	for(i = 0; i < 5 ;i++){
		3665	switch(i){
		3666	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		3667	case 1: double_data[0] = get_real(infile,0);break; /* x */
		3668	case 2: double_data[1] = get_real(infile,0);break; /* y */
		3669	case 3: fly_font = get_string_argument(infile,0);
		3670	if(strcmp(fly_font,"giant") == 0){
		3671	fly_font_size = (int)(font_size + 24);
		3672	}
		3673	else
		3674	{
		3675	if(strcmp(fly_font,"huge") == 0){
		3676	fly_font_size = (int)(font_size + 14);
		3677	}
		3678	else
		3679	{
		3680	if(strcmp(fly_font,"large") == 0){
		3681	fly_font_size = (int)(font_size + 6);
		3682	}
		3683	else
		3684	{
		3685	if(strcmp(fly_font,"small") == 0){
		3686	fly_font_size = (int)(font_size - 4);
		3687	if(fly_font_size<0){fly_font_size = 8;}
		3688	}
		3689	}
		3690	}
		3691	}
		3692	break;
		3693	case 4:
		3694	temp = get_string_argument(infile,1);
		3695	decimals = find_number_of_digits(precision);
		3696	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);
		3697	if(onclick > 0){click_cnt++;}
		3698	/* click_cnt++;*/
		3699	reset();
		3700	break;
		3701	default:break;
		3702	}
10953	bpr	3703	}
9213	schaersvoo	3704	break;
11806	schaersvoo	3705	case TEXTAREA:
9289	schaersvoo	3706	/*
11806	schaersvoo	3707	@ textarea x,y,cols,rows,readonly,value
		3708	@ may be further controlled by <a href="#inputstyle">"inputstyle"</a>
		3709	@ 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>
		3710	@ if mathml inputfields are present and / or some userdraw is performed, these data will <b>not</b> be send as well (javascript:read_canvas();)
		3711	@ keyword 'xoffset \| centered' is not active for commande 'textarea'
9289	schaersvoo	3712	*/
11806	schaersvoo	3713	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		3714	for(i = 0 ; i<6;i++){
9289	schaersvoo	3715	switch(i){
11806	schaersvoo	3716	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		3717	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		3718	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		3719	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		3720	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		3721	case 5: temp = get_string_argument(infile,1);
		3722	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);
		3723	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3724	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);
		3725	add_to_buffer(tmp_buffer);
		3726	input_cnt++;break;
9289	schaersvoo	3727	default: break;
		3728	}
		3729	}
11806	schaersvoo	3730	if(reply_format == 0 ){reply_format = 15;}
		3731	reset();
9289	schaersvoo	3732	break;
11806	schaersvoo	3733
		3734	case FLY_TEXTUP:
9289	schaersvoo	3735	/*
11806	schaersvoo	3736	@ textup fontcolor,x,y,font,text_string
		3737	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		3738	@ font may be described by keywords : giant,huge,normal,small,tiny
		3739	@ use command 'fontsize' to increase base fontsize for the keywords
		3740	@ backwards compatible with flydraw
		3741	@ unicode supported: textup red,0,0,huge,\\u2232
		3742	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		3743	@ 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	3744	*/
11806	schaersvoo	3745	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		3746	for(i = 0; i<5 ;i++){
9289	schaersvoo	3747	switch(i){
11806	schaersvoo	3748	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		3749	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		3750	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		3751	case 3: fly_font = get_string_argument(infile,0);
		3752	if(strcmp(fly_font,"giant") == 0){
		3753	fly_font_size = (int)(font_size + 24);
		3754	}
		3755	else
		3756	{
		3757	if(strcmp(fly_font,"huge") == 0){
		3758	fly_font_size = (int)(font_size + 14);
		3759	}
		3760	else
		3761	{
		3762	if(strcmp(fly_font,"large") == 0){
		3763	fly_font_size = (int)(font_size + 6);
		3764	}
		3765	else
		3766	{
		3767	if(strcmp(fly_font,"small") == 0){
		3768	fly_font_size = (int)(font_size - 4);
		3769	if(fly_font_size<0){fly_font_size = 8;}
		3770	}
		3771	}
		3772	}
		3773	}
		3774	break;
		3775	case 4:
9289	schaersvoo	3776	decimals = find_number_of_digits(precision);
11806	schaersvoo	3777	temp = get_string_argument(infile,1);
11811	schaersvoo	3778	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],fly_font_size,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
9289	schaersvoo	3779	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11811	schaersvoo	3780	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],fly_font_size,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix,use_offset);
9289	schaersvoo	3781	add_to_buffer(tmp_buffer);
		3782	break;
11806	schaersvoo	3783	default:break;
		3784	}
		3785	}
		3786	reset();
		3787	break;
		3788
		3789
		3790	case TRACE_JSCURVE:
		3791	/*
		3792	@ trace_jscurve some_math_function
		3793	@ will use a crosshair to trace the jsmath curve
		3794	@ two inputfields will display the current x/y-values (numerical evaluation by javascript)
		3795	@ 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
		3796	@ use commands fontsize and inputstyle to format the fonts for labels and inputfields.
		3797	@ use commands linewidth,strokecolor,crosshairsize to adjust the corsshair.
		3798	@ 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...
		3799	@ be aware that the formula's of the plotted function(s) can be found in the page javascript source
		3800	*/
		3801	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		3802	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		3803	if( use_js_math == FALSE){
		3804	add_to_js_math(js_include_file);
		3805	use_js_math = TRUE;
		3806	}
		3807	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);
		3808	break;
		3809
		3810
		3811	case TRANGE:
		3812	/*
		3813	@ trange tmin,tmax
		3814	@ alternative : ranget
		3815	@ default -2,2
		3816	*/
		3817	use_parametric = TRUE;
		3818	for(i = 0 ; i<2; i++){
		3819	switch(i){
		3820	case 0: tmin = get_real(infile,0);break;
		3821	case 1: tmax = get_real(infile,1);break;
9289	schaersvoo	3822	default: break;
		3823	}
		3824	}
11806	schaersvoo	3825	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
9289	schaersvoo	3826	break;
11806	schaersvoo	3827	case TRANSLATION:
		3828	/*
		3829	@ translation tx,ty
		3830	@ alternative : translate
		3831	@ will translate the next objects tx in xrange and ty in yrange
		3832	@ use command 'killtranstation' to end the command
		3833	*/
		3834	for(i = 0 ; i<2;i++){
		3835	switch(i){
		3836	case 0: double_data[0] = get_real(infile,0);break;
		3837	case 1: double_data[1] = get_real(infile,1);
		3838	use_affine = TRUE;
		3839	decimals = find_number_of_digits(precision);
		3840	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));
		3841	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		3842	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));
		3843	break;
		3844	default: break;
		3845	}
		3846	}
		3847	break;
		3848
		3849	case TRIANGLE:
		3850	/*
		3851	@ triangle x1,y1,x2,y2,x3,y3,color
		3852	@ use ftriangle or keyword <a href='#filled'>'filled'</a> for a solid triangle
		3853	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
		3854	*/
		3855	for(i=0;i<7;i++){
		3856	switch(i){
		3857	case 0: double_data[0] = get_real(infile,0);break; /* x */
		3858	case 1: double_data[1] = get_real(infile,0);break; /* y */
		3859	case 2: double_data[2] = get_real(infile,0);break; /* x */
		3860	case 3: double_data[3] = get_real(infile,0);break; /* y */
		3861	case 4: double_data[4] = get_real(infile,0);break; /* x */
		3862	case 5: double_data[5] = get_real(infile,0);break; /* y */
		3863	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		3864	decimals = find_number_of_digits(precision);
		3865	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);
		3866	if(onclick > 0){click_cnt++;}
		3867	/* click_cnt++;*/
		3868	reset();
		3869	break;
		3870	default: break;
		3871	}
		3872	}
		3873	break;
		3874	case TRIANGLES:
		3875	/*
		3876	@ triangles color,x1,y1,x2,y2,x3,y3,...
		3877	@ use ftriangles or keyword <a href='#filled'>'filled'</a> for solid triangles
		3878	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
		3879	*/
		3880	stroke_color = get_color(infile,0);/* name or hex color */
		3881	i = 0;
		3882	decimals = find_number_of_digits(precision);
		3883	while( ! done ){
		3884	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3885	double_data[0] = get_real(infile,0); /* x1 */
		3886	double_data[1] = get_real(infile,0); /* y1 */
		3887	double_data[2] = get_real(infile,0); /* x2 */
		3888	double_data[3] = get_real(infile,0); /* y2 */
		3889	double_data[4] = get_real(infile,0); /* x3 */
		3890	double_data[5] = get_real(infile,1); /* y3 */
		3891	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);
		3892	if(onclick > 0){click_cnt++;}
		3893	i = i + 6;
		3894	}
		3895	reset();
		3896	break;
		3897	case USERBOXPLOT:
		3898	/*
		3899	@ userboxplot
		3900	@ keyword, no arguments
		3901	@ use before command <a href="#boxplot">'boxplot x_or_y,box-height_or_box-width,x_or_y-position'</a>
		3902	@ if set, the student will have to calculate "min,Q1,median,Q3,max" and feed these data into the 'draw_boxplot' function
		3903	@ 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)
		3904	*/
		3905	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		3906	fprintf(js_include_file,"var boxplot_source = 3;\n");
		3907	js_function[DRAW_JSBOXPLOT] = 2;
		3908	break;
		3909
		3910	case USERBOXPLOTDATA:
		3911	/*
		3912	@ userboxplotdata
		3913	@ keyword, no arguments
		3914	@ use before command <a href="#boxplot">'boxplot x_or_y,box-height_or_box-width,x_or_y-position'</a>
		3915	@ if set, the student will have to generate some statistical data. These data should be put in a named array "student_boxplot_data"
		3916	@ "min,Q1,median,Q3,max" are calculated by a js-function and the 'draw_boxplot' function will draw a boxplot.
		3917	@ see command <a href="#userboxplot">'userboxplot'</a> for calling 'draw_boxplot()'
		3918	*/
		3919	if( js_function[DRAW_BOXPLOT] != 1 ){ js_function[DRAW_BOXPLOT] = 1;}
		3920	fprintf(js_include_file,"var boxplot_source = 2;\n");
		3921	js_function[DRAW_JSBOXPLOT] = 1;
		3922
		3923	break;
		3924
7614	schaersvoo	3925	case USERDRAW:
		3926	/*
		3927	@ userdraw object_type,color
9213	schaersvoo	3928	@ only a single object_type is allowed.
9385	schaersvoo	3929	@ for multiple object user drawings use command <a href="#multidraw">'multidraw'</a>
11764	schaersvoo	3930	@ 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	3931	@ 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)
		3932	@ 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	3933	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	3934	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
		3935	@ 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	3936	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	3937	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	3938	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		3939	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
10953	bpr	3940	@ may be combined with keyword 'userinput_xy'
11088	schaersvoo	3941	@ 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	3942	*/
		3943	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
9213	schaersvoo	3944	canvas_error("Only one userdraw primitive may be used in command 'userdraw' use command 'multidraw' for this...");
7614	schaersvoo	3945	}
8074	schaersvoo	3946	reply_precision = precision;
7614	schaersvoo	3947	use_userdraw = TRUE;
11041	schaersvoo	3948	fprintf(js_include_file,"\n<!-- begin userdraw mouse events -->\nuserdraw_x = new Array();userdraw_y = new Array();\
		3949	userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);\
11001	schaersvoo	3950	var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;\
		3951	if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};\
		3952	if(wims_status != \"done\"){\
11006	schaersvoo	3953	canvas_div.addEventListener(\"mousedown\" ,user_draw,false);\
		3954	canvas_div.addEventListener(\"mousemove\" ,user_drag,false);\
		3955	canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);\
		3956	canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();user_drag(e.changedTouches[0]);},false);\
		3957	canvas_div.addEventListener(\"touchend\" ,function(e){ e.preventDefault();user_draw(e.changedTouches[0]);},false);\
11001	schaersvoo	3958	}\n<!-- end userdraw mouse & touch events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614	schaersvoo	3959	draw_type = get_string_argument(infile,0);
		3960	stroke_color = get_color(infile,1);
		3961	if( strcmp(draw_type,"point") == 0 ){
		3962	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	3963	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	3964	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	3965	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3966	if(use_input_xy == 1){
7652	schaersvoo	3967	add_input_circle(js_include_file,1,1);
8815	schaersvoo	3968	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3969	}
7614	schaersvoo	3970	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);
		3971	}
		3972	else
		3973	if( strcmp(draw_type,"points") == 0 ){
		3974	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	3975	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	3976	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	3977	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3978	if(use_input_xy == 1){
7652	schaersvoo	3979	add_input_circle(js_include_file,1,2);
8815	schaersvoo	3980	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3981	}
7614	schaersvoo	3982	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);
		3983	}
		3984	else
		3985	if( strcmp(draw_type,"segment") == 0 ){
		3986	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		3987	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	3988	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	3989	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	3990	if(use_input_xy == 1){
7652	schaersvoo	3991	add_input_segment(js_include_file,1);
8815	schaersvoo	3992	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	3993	}
7614	schaersvoo	3994	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		3995	}
		3996	else
10975	schaersvoo	3997	if( strcmp(draw_type,"polyline") == 0 \|\| strcmp(draw_type,"brokenline") == 0 ){
7663	schaersvoo	3998	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	3999	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	4000	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	4001	if( use_input_xy == 1 ){
		4002	add_input_polyline(js_include_file);
8815	schaersvoo	4003	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7663	schaersvoo	4004	}
		4005	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4006	}
		4007	else
7614	schaersvoo	4008	if( strcmp(draw_type,"segments") == 0 ){
		4009	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4010	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	4011	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	4012	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4013	if(use_input_xy == 1){
7652	schaersvoo	4014	add_input_segment(js_include_file,2);
8815	schaersvoo	4015	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4016	}
7614	schaersvoo	4017	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4018	}
		4019	else
		4020	if( strcmp(draw_type,"circle") == 0 ){
		4021	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4022	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	4023	/* 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	4024	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4025	if(use_input_xy == 1){
7652	schaersvoo	4026	add_input_circle(js_include_file,2,1);
8815	schaersvoo	4027	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4028	}
7614	schaersvoo	4029	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]);
		4030	}
		4031	else
		4032	if( strcmp(draw_type,"circles") == 0 ){
		4033	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	4034	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	4035	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		4036	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	4037	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4038	if(use_input_xy == 1){
7652	schaersvoo	4039	add_input_circle(js_include_file,2,2);
8815	schaersvoo	4040	add_input_xyr(js_include_file,canvas_root_id,font_size,input_style);
7652	schaersvoo	4041	}
7614	schaersvoo	4042	}
		4043	else
		4044	if(strcmp(draw_type,"crosshair") == 0 ){
		4045	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4046	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4047	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		4048	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	4049	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4050	if(use_input_xy == 1){
7654	schaersvoo	4051	add_input_crosshair(js_include_file,1);
8815	schaersvoo	4052	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4053	}
7614	schaersvoo	4054	}
		4055	else
		4056	if(strcmp(draw_type,"crosshairs") == 0 ){
		4057	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	4058	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	4059	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		4060	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	4061	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	4062	if(use_input_xy == 1){
7654	schaersvoo	4063	add_input_crosshair(js_include_file,2);
8815	schaersvoo	4064	add_input_xy(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4065	}
7614	schaersvoo	4066	}
		4067	else
		4068	if(strcmp(draw_type,"freehandline") == 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,0,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,"freehandlines") == 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,0,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,"path") == 0 ){
		4085	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4086	if(reply_format == 0){reply_format = 6;}
8224	bpr	4087	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	4088	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4089	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4090	}
		4091	else
		4092	if(strcmp(draw_type,"paths") == 0 ){
		4093	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4094	if(reply_format == 0){reply_format = 6;}
8224	bpr	4095	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	4096	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4097	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4098	}
		4099	else
		4100	if(strcmp(draw_type,"arrows") == 0 ){
		4101	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4102	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4103	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	4104	if(use_input_xy == 1){
7654	schaersvoo	4105	add_input_arrow(js_include_file,2);
8815	schaersvoo	4106	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4107	}
8071	schaersvoo	4108	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4109	}
		4110	else
7874	schaersvoo	4111	if(strcmp(draw_type,"arrows2") == 0 ){
		4112	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4113	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4114	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	4115	if(use_input_xy == 1){
7874	schaersvoo	4116	add_input_arrow(js_include_file,1);
8815	schaersvoo	4117	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4118	}
8071	schaersvoo	4119	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4120	}
		4121	else
		4122	if(strcmp(draw_type,"arrow2") == 0 ){
		4123	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4124	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4125	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	4126	if(use_input_xy == 1){
7874	schaersvoo	4127	add_input_arrow(js_include_file,1);
8815	schaersvoo	4128	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7874	schaersvoo	4129	}
8071	schaersvoo	4130	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	4131	}
		4132	else
7614	schaersvoo	4133	if(strcmp(draw_type,"arrow") == 0 ){
		4134	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	4135	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	4136	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	4137	if(use_input_xy == 1){
7654	schaersvoo	4138	add_input_arrow(js_include_file,1);
8815	schaersvoo	4139	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7654	schaersvoo	4140	}
8071	schaersvoo	4141	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4142	}
		4143	else
		4144	if(strcmp(draw_type,"polygon") == 0){
		4145	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4146	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4147	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	4148	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4149	if(use_input_xy == 2){
7780	schaersvoo	4150	add_textarea_polygon(js_include_file);
8815	schaersvoo	4151	add_textarea_xy(js_include_file,canvas_root_id,input_style);
7746	schaersvoo	4152	}
7614	schaersvoo	4153	}
8224	bpr	4154	else
7614	schaersvoo	4155	if(strncmp(draw_type,"poly",4) == 0){
		4156	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		4157	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4158	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4159	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	4160	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4161	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4162	}
8224	bpr	4163	else
7614	schaersvoo	4164	if(strcmp(draw_type,"triangle") == 0){
		4165	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	4166	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4167	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	4168	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4169	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4170	}
8224	bpr	4171	else
7989	schaersvoo	4172	if( strcmp(draw_type,"hline") == 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,1,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,"hlines") == 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,2,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
		4188	if( strcmp(draw_type,"vline") == 0 ){
		4189	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4190	if(reply_format == 0){reply_format = 11;}
		4191	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4192	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4193	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4194	}
		4195	else
		4196	if( strcmp(draw_type,"vlines") == 0 ){
		4197	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		4198	if(reply_format == 0){reply_format = 11;}
		4199	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	4200	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4201	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	4202	}
		4203	else
7614	schaersvoo	4204	if( strcmp(draw_type,"line") == 0 ){
		4205	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4206	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4207	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	4208	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	4209	if( use_input_xy == 1 ){
7780	schaersvoo	4210	add_input_line(js_include_file,1);
8815	schaersvoo	4211	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7747	schaersvoo	4212	}
8071	schaersvoo	4213	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4214	}
		4215	else
		4216	if( strcmp(draw_type,"lines") == 0 ){
		4217	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4218	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	4219	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	4220	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	4221	if( use_input_xy == 1 ){
7780	schaersvoo	4222	add_input_line(js_include_file,2);
8815	schaersvoo	4223	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
7746	schaersvoo	4224	}
8071	schaersvoo	4225	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4226	}
		4227	else
8362	schaersvoo	4228	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"halflines") == 0 ){
8244	schaersvoo	4229	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4230	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4231	if(reply_format == 0){reply_format = 11;}
		4232	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4233	if( use_input_xy == 1 ){
		4234	add_input_demiline(js_include_file,2);
8815	schaersvoo	4235	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4236	}
		4237	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4238	}
		4239	else
8362	schaersvoo	4240	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"halfline") == 0 ){
8244	schaersvoo	4241	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		4242	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		4243	if(reply_format == 0){reply_format = 11;}
		4244	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		4245	if( use_input_xy == 1 ){
		4246	add_input_demiline(js_include_file,1);
8815	schaersvoo	4247	add_input_x1y1x2y2(js_include_file,canvas_root_id,font_size,input_style);
8244	schaersvoo	4248	}
		4249	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4250	}
		4251	else
7614	schaersvoo	4252	if( strcmp(draw_type,"rects") == 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,2,0,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,"roundrects") == 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,2,1,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	}
8224	bpr	4267	else
7614	schaersvoo	4268	if( strcmp(draw_type,"rect") == 0){
		4269	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	4270	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4271	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	4272	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4273	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4274	}
8224	bpr	4275	else
7614	schaersvoo	4276	if( strcmp(draw_type,"roundrect") == 0){
		4277	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	4278	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	4279	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	4280	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4281	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4282	}
		4283	else
8083	schaersvoo	4284	if( strcmp(draw_type,"arcs") == 0){
		4285	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		4286	if(reply_format == 0){reply_format = 25;}
		4287	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]);
		4288	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4289	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4290	}
		4291	else
8071	schaersvoo	4292	if( strcmp(draw_type,"arc") == 0){
		4293	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
11017	schaersvoo	4294	if( js_function[JS_FIND_ANGLE] != 1 ){ js_function[JS_FIND_ANGLE] = 1;}
8083	schaersvoo	4295	if(reply_format == 0){reply_format = 25;}
		4296	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	4297	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4298	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4299	}
		4300	else
7614	schaersvoo	4301	if( strcmp(draw_type,"text") == 0){
7876	schaersvoo	4302	if(reply_format == 0){reply_format = 17;}
11084	schaersvoo	4303	add_js_text(js_include_file,canvas_root_id,font_size,font_family,stroke_color,stroke_opacity);
7652	schaersvoo	4304	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	4305	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	4306	}
8116	schaersvoo	4307	else
		4308	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	4309	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	4310	if(reply_format == 0){reply_format = 27;}
11803	schaersvoo	4311	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width,use_offset);
8116	schaersvoo	4312	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4313	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4314	}
		4315	else
		4316	if( strcmp(draw_type,"input") == 0){
8224	bpr	4317	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	4318	if(reply_format == 0){reply_format = 27;}
11803	schaersvoo	4319	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width,use_offset);
8116	schaersvoo	4320	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		4321	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		4322	}
8193	schaersvoo	4323	else
11005	schaersvoo	4324	if( strcmp(draw_type,"clickfill") == 0){
		4325	decimals = find_number_of_digits(precision);
		4326	if(reply_format == 0){reply_format = 22;}
		4327	add_js_clickfill(js_include_file,canvas_root_id,stroke_color,(int) (fill_opacity/0.0039215));
		4328	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		4329	js_function[DRAW_FILLTOBORDER] = 1;
11006	schaersvoo	4330	add_js_filltoborder(js_include_file,canvas_root_id,canvas_type);
11005	schaersvoo	4331	}
		4332	}
		4333	else
7614	schaersvoo	4334	{
		4335	canvas_error("unknown drawtype or typo? ");
		4336	}
		4337	reset();
		4338	break;
8386	schaersvoo	4339
		4340	case USERINPUT:
		4341	/*
		4342	@ userinput function \| textarea \| inputfield
9382	schaersvoo	4343	@ alternative : userinput_function
		4344	@ alternative : userinput_textarea
		4345	@ alternative : userinput_xy
8386	schaersvoo	4346	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		4347	@ function may be used any time (e.g. without userdraw)
8815	schaersvoo	4348	@ multiple 'userinput function' commands may be used.
8386	schaersvoo	4349	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		4350	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
8815	schaersvoo	4351	@ use command 'inputstyle some_css' to adjust the inputfields
		4352	@ use command 'fontsize int' to adjust the label fonts. (default 12px)
		4353	@ 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	4354	*/
		4355	temp = get_string_argument(infile,1);
		4356	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
		4357	if( js_function[DRAW_JSFUNCTION] != 1 ){
		4358	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
		4359	js_function[DRAW_JSFUNCTION] = 1;
		4360	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	4361	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	4362	input_cnt++;
		4363	}
10953	bpr	4364	else
8386	schaersvoo	4365	{
		4366	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
8815	schaersvoo	4367	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	4368	input_cnt++;
		4369	}
		4370	if( use_js_math == FALSE){/* add this stuff only once...*/
		4371	add_to_js_math(js_include_file);
		4372	use_js_math = TRUE;
		4373	}
		4374	if( use_js_plot == FALSE){
		4375	use_js_plot = TRUE;
		4376	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		4377	}
		4378	}
		4379	else
		4380	{
		4381	if(strstr(temp,"inputfield") != 0 ){
		4382	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		4383	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4384	use_input_xy = 1;
		4385	}
		4386	else
		4387	{
		4388	if(strstr(temp,"textarea") != 0 ){
		4389	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		4390	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4391	use_input_xy = 2;
		4392	}
		4393	else
		4394	{
		4395	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		4396	}
		4397	}
		4398	}
		4399	break;
		4400	case USERINPUT_XY:
		4401	/*
		4402	@ userinput_xy
9372	schaersvoo	4403	@ keyword (no arguments required)
8386	schaersvoo	4404	@ to be used in combination with command "userdraw object_type,color"
		4405	@ 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)
		4406	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		4407	@ 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	4408	@ can <b>not</b> be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8386	schaersvoo	4409	@ user drawings will not zoom on zooming (or pan on panning)
8815	schaersvoo	4410	@ use command 'inputstyle some_css' to adjust the inputarea.
		4411	@ use command 'fontsize int' to adjust the text labels (if needed)
8386	schaersvoo	4412	*/
		4413	/* add simple eval check to avoid code injection with unprotected eval(string) */
		4414	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		4415	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4416	use_input_xy = 1;
		4417	break;
		4418
		4419	case USERINPUT_FUNCTION:
		4420	/*
		4421	@ userinput_function
9372	schaersvoo	4422	@ keyword (no arguments required)
8386	schaersvoo	4423	@ if set , a inputfield will be added to the page
		4424	@ repeat keyword for more function input fields
		4425	@ the userinput value will be plotted in the canvas
10953	bpr	4426	@ 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	4427	@ 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	4428	@ fontsize can be set using command 'fontsize int'
8386	schaersvoo	4429	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		4430	*/
		4431	if( js_function[DRAW_JSFUNCTION] != 1 ){
		4432	js_function[DRAW_JSFUNCTION] = 1;
		4433	add_rawmath(js_include_file);
		4434	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8815	schaersvoo	4435	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	4436	input_cnt++;
		4437	}
10953	bpr	4438	else
8386	schaersvoo	4439	{
		4440	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
8815	schaersvoo	4441	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	4442	input_cnt++;
		4443	}
		4444	if( use_js_math == FALSE){/* add this stuff only once...*/
		4445	add_to_js_math(js_include_file);
		4446	use_js_math = TRUE;
		4447	}
		4448	if( use_js_plot == FALSE){
		4449	use_js_plot = TRUE;
		4450	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		4451	}
		4452	break;
		4453
		4454
		4455
11806	schaersvoo	4456	case USERTEXTAREA_XY:
7788	schaersvoo	4457	/*
11806	schaersvoo	4458	@ usertextarea_xy
		4459	@ keyword (no arguments required)
		4460	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
		4461	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
		4462	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		4463	@ user drawings will not zoom on zooming (or pan on panning)
		4464	@ use command 'inputstyle some_css' to adjust the inputarea.
		4465	@ use command 'fontsize int' to adjust the text labels (if needed)
7788	schaersvoo	4466	*/
11806	schaersvoo	4467	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		4468	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		4469	use_input_xy = 2;
7788	schaersvoo	4470	break;
8386	schaersvoo	4471
11806	schaersvoo	4472	case VLINE:
8386	schaersvoo	4473	/*
11806	schaersvoo	4474	@ vline x,y,color
		4475	@ alternative : verticalline
		4476	@ draw a vertical line through point (x:y) in color 'color'
		4477	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a>
8386	schaersvoo	4478	*/
11806	schaersvoo	4479	for(i=0;i<3;i++) {
7614	schaersvoo	4480	switch(i){
11806	schaersvoo	4481	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		4482	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		4483	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		4484	double_data[2] = double_data[0];
7614	schaersvoo	4485	decimals = find_number_of_digits(precision);
11806	schaersvoo	4486	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);
		4487	if(onclick > 0){click_cnt++;}
		4488	/* click_cnt++; */
8379	schaersvoo	4489	reset();
7614	schaersvoo	4490	break;
		4491	}
		4492	}
		4493	break;
		4494
11806	schaersvoo	4495	case VLINES:
11802	schaersvoo	4496	/*
11806	schaersvoo	4497	@ vlines color,x1,y1,x2,y2....
		4498	@ alternative : verticallines
		4499	@ draw vertical lines through points (x1:y1),(x2:y2)... in color 'color'
		4500	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually
11802	schaersvoo	4501	*/
11806	schaersvoo	4502	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4503	fill_color = stroke_color;
		4504	i=0;
		4505	while( ! done ){ /* get next item until EOL*/
		4506	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4507	if(i%2 == 0 ){
		4508	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	4509	}
11806	schaersvoo	4510	else
		4511	{
		4512	double_data[i] = get_real(infile,1); /* y */
7983	schaersvoo	4513	}
11806	schaersvoo	4514	i++;
7983	schaersvoo	4515	}
11806	schaersvoo	4516	decimals = find_number_of_digits(precision);
		4517	for(c = 0 ; c < i-1 ; c = c+2){
		4518	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);
		4519	if(onclick > 0){click_cnt++;}
		4520	/* click_cnt++; */
		4521	}
		4522	reset();
7983	schaersvoo	4523	break;
11806	schaersvoo	4524
		4525
		4526	case VIDEO:
7614	schaersvoo	4527	/*
11806	schaersvoo	4528	@ video x,y,w,h,videofile location
		4529	@ x,y : left top corner of audio element (in xrange / yrange)
		4530	@ w,y : width and height in pixels
		4531	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		4532	@ video format may be in *.mp4 (todo:other formats)
7614	schaersvoo	4533	*/
11806	schaersvoo	4534	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
7614	schaersvoo	4535	for(i=0;i<5;i++){
		4536	switch(i){
11806	schaersvoo	4537	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		4538	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		4539	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		4540	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		4541	case 4: temp = get_string(infile,1);
		4542	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	4543	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
11806	schaersvoo	4544	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	4545	add_to_buffer(tmp_buffer);
		4546	break;
		4547	default:break;
		4548	}
		4549	}
		4550	reset();
		4551	break;
11806	schaersvoo	4552
7614	schaersvoo	4553	case X_AXIS_STRINGS:
		4554	/*
		4555	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9385	schaersvoo	4556	@ alternative : xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9346	schaersvoo	4557	@ use these x-axis num1...num_n values instead of default xmin...xmax
11044	schaersvoo	4558	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4559	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
11088	schaersvoo	4560	@ 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	4561	@ a javascript error message will flag non-matching value:name pairs
9341	schaersvoo	4562	@ if the 'x-axis words' are too big and will overlap, a simple alternating offset will be applied
11044	schaersvoo	4563	@ to be used before command grid (see <a href="#grid">command grid</a>)
7614	schaersvoo	4564	@ 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
		4565	*/
		4566	temp = get_string(infile,1);
		4567	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4568	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4569	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		4570	use_axis_numbering = 1;
		4571	break;
9341	schaersvoo	4572	case X_AXIS_STRINGS_UP:
		4573	/*
		4574	@ xaxisup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9385	schaersvoo	4575	@ alternative : xaxistextup num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
9341	schaersvoo	4576	@ the text will be rotated 90° up
11044	schaersvoo	4577	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4578	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
9346	schaersvoo	4579	@ use these x-axis num1...num_n values instead of default xmin...xmax
11088	schaersvoo	4580	@ 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	4581	@ a javascript error message will flag non-matching value:name pairs
9341	schaersvoo	4582	@ 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	4583	@ to be used before command grid (see <a href="#grid">command grid</a>)
9341	schaersvoo	4584	@ 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
		4585	*/
		4586	temp = get_string(infile,1);
		4587	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4588	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4589	fprintf(js_include_file,"x_strings_up = 1;x_strings = [\"%s\"];\n ",temp);
		4590	use_axis_numbering = 1;
		4591	break;
8224	bpr	4592
11806	schaersvoo	4593	case XERRORBARS:
7614	schaersvoo	4594	/*
11806	schaersvoo	4595	@ xerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		4596	@ 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'
		4597	@ the errors E1 and E2 values are in xrange.
		4598	@ use command 'linewidth int' to adust size
		4599	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
7614	schaersvoo	4600	*/
11806	schaersvoo	4601	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4602	fill_color = stroke_color;
		4603	i=0;
		4604	while( ! done ){ /* get next item until EOL*/
		4605	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4606	if(i%2 == 0 ){
		4607	double_data[i] = get_real(infile,0); /* x */
8071	schaersvoo	4608	}
11806	schaersvoo	4609	else
		4610	{
		4611	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	4612	}
11806	schaersvoo	4613	i++;
7614	schaersvoo	4614	}
11806	schaersvoo	4615	decimals = find_number_of_digits(precision);
		4616	for(c = 2 ; c < i-1 ; c = c+2){
		4617	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);
		4618	/* click_cnt++; */
		4619	if(onclick > 0){click_cnt++;}
		4620	}
7614	schaersvoo	4621	reset();
		4622	break;
11806	schaersvoo	4623
		4624	case XRANGE:
7614	schaersvoo	4625	/*
11806	schaersvoo	4626	@ xrange xmin,xmax
		4627	@ alternative : rangex
		4628	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	4629	*/
11806	schaersvoo	4630	for(i = 0 ; i<2; i++){
7614	schaersvoo	4631	switch(i){
11806	schaersvoo	4632	case 0: xmin = get_real(infile,0);break;
		4633	case 1: xmax = get_real(infile,1);break;
7614	schaersvoo	4634	default: break;
		4635	}
		4636	}
11806	schaersvoo	4637	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		4638	fprintf(js_include_file,"var xmin = %f;var xmax = %f;\n",xmin,xmax);
		4639	found_size_command++;
7614	schaersvoo	4640	break;
8386	schaersvoo	4641
		4642
		4643
11806	schaersvoo	4644	case XSNAPTOGRID:
7614	schaersvoo	4645	/*
11806	schaersvoo	4646	@ xsnaptogrid
		4647	@ keyword (no arguments required)
		4648	@ a draggable object (use command "drag x\|y\|xy") will snap to the given x-grid values when dragged (mouseup)
		4649	@ in case of userdraw the drawn points will snap to xmajor grid
		4650	@ if no grid is defined ,points will snap to every integer xrange value. (eg snap_x=1)
		4651	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		4652	@ 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	4653	*/
11806	schaersvoo	4654	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
		4655	break;
8386	schaersvoo	4656
11806	schaersvoo	4657	case XOFFSET:
7614	schaersvoo	4658	/*
11806	schaersvoo	4659	@ xoffset \| centered
		4660	@ keyword ; to place the text centered above the text coordinates(x:y) ...
		4661	@ may be used for points or other things requirering centered labels
11811	schaersvoo	4662	@ may be active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-library)
7614	schaersvoo	4663	*/
11806	schaersvoo	4664	use_offset = 1;
		4665	break;
8386	schaersvoo	4666
11806	schaersvoo	4667	case XYOFFSET:
7614	schaersvoo	4668	/*
11806	schaersvoo	4669	@ xyoffset
		4670	@ keyword ; to place the text (x:y) to (x+dx:y+dy)... dx/dy are dependent on fontsize/fontfamily
		4671	@ may be used for points or other things requirering labels
		4672	@ only active for commands <a href="#text">text</a> and <a href="#string">string</a> (e.g. objects in the drag/drop/onclick-librariy
		4673	@ 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	4674	*/
11806	schaersvoo	4675	use_offset = 2;
		4676	break;
8386	schaersvoo	4677
7996	schaersvoo	4678	case XUNIT:
		4679	/*
		4680	@ xunit some_unit_for_x-values
		4681	@ unicode allowed (no html code)
		4682	@ use together with command mousex
9372	schaersvoo	4683	@ will display the cursor x-coordinate in 'unit'
7996	schaersvoo	4684	*/
		4685	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		4686	break;
11806	schaersvoo	4687
		4688	case XLABEL:
7996	schaersvoo	4689	/*
11806	schaersvoo	4690	@ xlabel some_string
		4691	@ will be used to create a label for the x-axis (label is in quadrant I)
		4692	@ can only be used together with command 'grid'</a><br />not depending on keywords 'axis' and 'axisnumbering'
		4693	@ 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	4694	*/
11806	schaersvoo	4695	temp = get_string(infile,1);
		4696	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7996	schaersvoo	4697	break;
8071	schaersvoo	4698
11806	schaersvoo	4699	case XLOGBASE:
7991	schaersvoo	4700	/*
11806	schaersvoo	4701	@ xlogbase number
		4702	@ sets the logbase number for the x-axis
		4703	@ default value 10
		4704	@ use together with commands xlogscale / xylogscale
7991	schaersvoo	4705	*/
11806	schaersvoo	4706	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7991	schaersvoo	4707	break;
		4708
11806	schaersvoo	4709	case XLOGSCALE:
7614	schaersvoo	4710	/*
11806	schaersvoo	4711	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		4712	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4713	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		4714	@ the linewidth is set using command 'linewidth int'
		4715	@ the opacity of major / minor grid lines is set by command <a href='#opacity'>'opacity</a>'
		4716	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
		4717	@ 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>
		4718	@ note: the complete canvas will be used for the 'log paper'
		4719	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4720	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4721	@ 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
		4722	@ note: in case of userdraw , the use of keyword <a href='#userinput_xy'>'userinput_xy'</a> may be handy !
		4723	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	4724	*/
11806	schaersvoo	4725	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4726	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		4727	for(i=0;i<4;i++){
7614	schaersvoo	4728	switch(i){
11806	schaersvoo	4729	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		4730	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		4731	case 2: stroke_color = get_color(infile,0); break;
		4732	case 3: fill_color = get_color(infile,1);
		4733	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);
		4734	tmp_buffer = my_newmem(string_length+1);
		4735	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);
		4736	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		4737	add_to_buffer(tmp_buffer);
		4738	break;
7614	schaersvoo	4739	default:break;
		4740	}
		4741	}
		4742	break;
11806	schaersvoo	4743
		4744	case XYLOGSCALE:
7614	schaersvoo	4745	/*
11806	schaersvoo	4746	@ xylogscale majorcolor,minorcolor
		4747	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4748	@ the linewidth is set using command 'linewidth int'
		4749	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		4750	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
		4751	@ 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>
		4752	@ note: the complete canvas will be used for the 'log paper'
		4753	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4754	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4755	@ 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')
		4756	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		4757	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	4758	*/
11806	schaersvoo	4759	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4760	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		4761	for(i=0;i<2;i++){
7614	schaersvoo	4762	switch(i){
11806	schaersvoo	4763	case 0: stroke_color = get_color(infile,0); break;
		4764	case 1: fill_color = get_color(infile,1);
		4765	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);
		4766	tmp_buffer = my_newmem(string_length+1);
		4767	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);
		4768	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		4769	add_to_buffer(tmp_buffer);
		4770	break;
7614	schaersvoo	4771	default:break;
		4772	}
		4773	}
		4774	break;
11806	schaersvoo	4775
		4776
		4777	case Y_AXIS_STRINGS:
7647	schaersvoo	4778	/*
11806	schaersvoo	4779	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		4780	@ alternativ : yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		4781	@ 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>)
		4782	@ no need to use keyword <a href="#axisnumbering">axisnumbering</a>
		4783	@ use command <a href="#axis">axis</a> to have visual x/y-axis lines (see command <a href="grid">grid</a>
		4784	@ use these y-axis num1...num_n values instead of default ymin...ymax
		4785	@ a javascript error message will flag non-matching value:name pairs
		4786	@ to be used before command grid (see <a href="#grid">command grid</a>)
		4787	@ 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	4788	*/
11806	schaersvoo	4789	temp = get_string(infile,1);
		4790	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		4791	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		4792	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		4793	use_axis_numbering = 1;
		4794	break;
		4795
		4796
		4797	case YERRORBARS:
7614	schaersvoo	4798	/*
11806	schaersvoo	4799	@ yerrorbars color,E1,E2,x1,y1,x2,y2,...,x_n,y_n
		4800	@ draw multiple points with y-errorbars E1 (error value under point) and E2 (error value above point) at given coordinates in color 'color'
		4801	@ the errors E1 and E2 values are in yrange.
		4802	@ use command 'linewidth int' to adust size
		4803	@ may be set <a href="#drag">draggable</a> / <a href="#onclick">onclick</a> individually (!)
7614	schaersvoo	4804	*/
11806	schaersvoo	4805	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		4806	fill_color = stroke_color;
11772	schaersvoo	4807	i=0;
		4808	while( ! done ){ /* get next item until EOL*/
		4809	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		4810	if(i%2 == 0 ){
		4811	double_data[i] = get_real(infile,0); /* x */
		4812	}
		4813	else
		4814	{
		4815	double_data[i] = get_real(infile,1); /* y */
		4816	}
		4817	i++;
		4818	}
11806	schaersvoo	4819	for(c = 2 ; c < i-1 ; c = c+2){
		4820	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);
		4821	/* click_cnt++; */
		4822	if(onclick > 0){click_cnt++;}
8083	schaersvoo	4823	}
11806	schaersvoo	4824	decimals = find_number_of_digits(precision);
8083	schaersvoo	4825	reset();
11806	schaersvoo	4826	break;
		4827
11811	schaersvoo	4828	case YOFFSET:
		4829	/*
		4830	@ yoffset
		4831	@ keyword, only active for commands <a href="#textup">textup</a> and <a href="#stringup">stringup</a>
		4832	@ places the text <b>under</b> the (x:y) coordinates(x:y)<br/ >eg the string 'hello' will end at char 'o' on (x:y) <br />normal behaviour : string starts at (x:y)
		4833	@ string ending on (x:y) is valid for all rotation angles
		4834	@ may be used for points or other things requirering labels in y-direction
		4835	@ other text position manipulations: see <a href="#xoffset">xoffset</a> for centering on x-coordinate or <a href="#xyoffset">xyoffset</a> label placement for points etc.
		4836	*/
		4837	use_offset = 3;
		4838	break;
		4839
11806	schaersvoo	4840	case YRANGE:
7614	schaersvoo	4841	/*
11806	schaersvoo	4842	@ yrange ymin,ymax
		4843	@ alternative : rangey
		4844	@ if not given 0,ysize (eg in pixels)
7614	schaersvoo	4845	*/
11806	schaersvoo	4846	for(i = 0 ; i<2; i++){
7614	schaersvoo	4847	switch(i){
11806	schaersvoo	4848	case 0: ymin = get_real(infile,0);break;
		4849	case 1: ymax = get_real(infile,1);break;
		4850	default: break;
7614	schaersvoo	4851	}
		4852	}
11806	schaersvoo	4853	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		4854	fprintf(js_include_file,"var ymin = %f;var ymax = %f;\n",ymin,ymax);
		4855	found_size_command++;
		4856	break;
		4857
		4858	case YSNAPTOGRID:
7614	schaersvoo	4859	/*
11806	schaersvoo	4860	@ ysnaptogrid
		4861	@ keyword (no arguments required)
		4862	@ a draggable object (use command "drag x\|y\|xy") will snap to the given y-grid values when dragged (mouseup)
		4863	@ in case of userdraw the drawn points will snap to ymajor grid
		4864	@ if no grid is defined ,points will snap to every integer yrange value. (eg snap_y=1)
		4865	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
		4866	@ 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	4867	*/
11806	schaersvoo	4868	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7614	schaersvoo	4869	break;
11080	schaersvoo	4870
7614	schaersvoo	4871	case YLABEL:
		4872	/*
		4873	@ ylabel some_string
8224	bpr	4874	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
9379	schaersvoo	4875	@ can only be used together with command <a href="#grid">'grid'</a><br />not depending on keywords 'axis' and 'axisnumbering'
10953	bpr	4876	@ 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	4877	*/
		4878	temp = get_string(infile,1);
7653	schaersvoo	4879	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	4880	break;
7735	schaersvoo	4881	case YLOGBASE:
		4882	/*
		4883	@ ylogbase number
		4884	@ sets the logbase number for the y-axis
		4885	@ default value 10
		4886	@ use together with commands ylogscale / xylogscale
		4887	*/
		4888	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		4889	break;
7614	schaersvoo	4890	case YLOGSCALE:
7729	schaersvoo	4891	/*
		4892	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		4893	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		4894	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		4895	@ the linewidth is set using command 'linewidth int'
		4896	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	4897	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	4898	@ 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	4899	@ note: the complete canvas will be used for the 'log paper'
		4900	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		4901	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		4902	@ 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')
		4903	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
9383	schaersvoo	4904	@ <b>attention</b>: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	4905	*/
		4906	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		4907	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		4908	for(i=0;i<4;i++){
		4909	switch(i){
		4910	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		4911	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		4912	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	4913	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	4914	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	4915	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	4916	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	4917	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	4918	add_to_buffer(tmp_buffer);
		4919	break;
		4920	default:break;
		4921	}
		4922	}
7614	schaersvoo	4923	break;
11806	schaersvoo	4924
		4925	case YUNIT:
7735	schaersvoo	4926	/*
11806	schaersvoo	4927	@ yunit some_unit_for_y-values
		4928	@ unicode allowed (no html code)
		4929	@ use together with command mousey
		4930	@ will display the cursor y-coordinate in 'unit'
7735	schaersvoo	4931	*/
11806	schaersvoo	4932	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		4933	break;
		4934
		4935	case ZOOM:
		4936	/*
		4937	@ zoom button_color
		4938	@ introduce a very small 'controlpanel' at the lower right corner
		4939	@ 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
		4940	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		4941	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
		4942	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		4943	@ note: use command 'zoom' at the end of your script code (the same is true for command 'mouse')
		4944	@ note: only objects that may be set draggable / clickable will be zoomed / panned
		4945	@ 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 !!
		4946	*/
		4947	fprintf(js_include_file,"use_pan_and_zoom = 1;");
		4948	use_pan_and_zoom = TRUE;
		4949	stroke_color = get_color(infile,1);
		4950	/* we use BG_CANVAS (0) */
		4951	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
		4952	done = TRUE;
		4953	break;
		4954
		4955	/* ready */
7614	schaersvoo	4956	default:sync_input(infile);
		4957	break;
		4958	}
8224	bpr	4959	}
7614	schaersvoo	4960	/* we are done parsing script file */
7983	schaersvoo	4961	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		4962	if( found_size_command == 1 ){
		4963	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		4964	}
		4965	else
		4966	{
		4967	if( found_size_command != 3 ){
8222	schaersvoo	4968	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	4969	}
		4970	}
8257	schaersvoo	4971
8222	schaersvoo	4972	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
11021	schaersvoo	4973	add_javascript_function(js_function,canvas_root_id);
7614	schaersvoo	4974	/* add read_canvas() etc functions if needed */
8257	schaersvoo	4975	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	4976	if( use_pan_and_zoom == TRUE ){
		4977	/* in case of zooming ... */
7729	schaersvoo	4978	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	4979	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	4980	var ymin_start=ymin;var ymax_start=xmax;\
		4981	var zoom_x_increment=0;var zoom_y_increment=0;\
		4982	var pan_x_increment=0;var pan_y_increment=0;\
		4983	if(use_ylogscale == 0 ){\
7956	schaersvoo	4984	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	4985	}else{\
		4986	zoom_x_increment = (xmax - xmin)/20;\
		4987	pan_x_increment = (xmax - xmin)/20;\
		4988	};\
9406	schaersvoo	4989	var zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	4990	function start_canvas%d(type){\
9406	schaersvoo	4991	zoom_xy=[xmin,xmax,ymin,ymax];\
7653	schaersvoo	4992	switch(type){\
7729	schaersvoo	4993	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		4994	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	4995	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		4996	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		4997	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		4998	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
11004	schaersvoo	4999	case 6:xmin = xmin_start; xmax = xmax_start;ymin = ymin_start;ymax = ymax_start;break;\
7653	schaersvoo	5000	default:break;\
		5001	};\
		5002	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		5003	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
9406	schaersvoo	5004	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){};\
11088	schaersvoo	5005	if(typeof(redraw_all%d) === 'function' ){redraw_all%d(zoom_xy);}\
9406	schaersvoo	5006	%s ;\
7653	schaersvoo	5007	};\
7797	schaersvoo	5008	start_canvas%d(333);\
9438	schaersvoo	5009	};\
		5010	\n<!-- end wims_canvas_function -->\n\
9406	schaersvoo	5011	wims_canvas_function%d();\n",precision,canvas_root_id,canvas_root_id,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7797	schaersvoo	5012	}
		5013	else
		5014	{
		5015	/* no zoom, just add buffer */
		5016	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		5017	%s\
		5018	};\n\
		5019	<!-- end wims_canvas_function -->\n\
		5020	wims_canvas_function%d();\n",buffer,canvas_root_id);
		5021	}
7614	schaersvoo	5022	/* done writing the javascript include file */
		5023	fclose(js_include_file);
		5024
		5025	}
		5026
		5027	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
9329	schaersvoo	5028	if( use_tooltip > 0 ){
		5029	if( use_tooltip == 1 ){
		5030	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		5031	}
		5032	else
		5033	{
		5034	if( use_tooltip == 2 ){
		5035	add_js_popup(canvas_root_id,xsize,ysize,getfile_cmd);
		5036	}
		5037	}
		5038	}
7614	schaersvoo	5039	exit(EXIT_SUCCESS);
		5040	}
		5041	/* end main() */
		5042
		5043	/******************************************************************************
		5044	**
		5045	** sync_input
		5046	**
		5047	** synchronises input line - reads to end of line, leaving file pointer
		5048	** at first character of next line.
		5049	**
		5050	** Used by:
		5051	** main program - error handling.
		5052	**
		5053	******************************************************************************/
		5054	void sync_input(FILE *infile)
		5055	{
		5056	int c = 0;
		5057
7658	schaersvoo	5058	if( c == '\n' \|\| c == ';' ) return;
		5059	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	5060	if( c == EOF ) finished = 1;
7658	schaersvoo	5061	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	5062	return;
		5063	}
		5064
		5065	/******************************************************************************/
		5066
		5067	char str_replace(const char str, const char old, const char new){
		5068	/* http://creativeandcritical.net/str-replace-c/ */
		5069	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		5070	char ret, r;
		5071	const char p, q;
		5072	size_t oldlen = strlen(old);
		5073	size_t count = 0;
		5074	size_t retlen = 0;
		5075	size_t newlen = strlen(new);
		5076	if (oldlen != newlen){
		5077	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		5078	count++;
		5079	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		5080	}
8224	bpr	5081	}
7614	schaersvoo	5082	else
		5083	{
		5084	retlen = strlen(str);
		5085	}
8224	bpr	5086
7614	schaersvoo	5087	if ((ret = malloc(retlen + 1)) == NULL){
		5088	ret = NULL;
		5089	canvas_error("string argument is NULL");
		5090	}
		5091	else
		5092	{
		5093	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		5094	size_t l = q - p;
		5095	memcpy(r, p, l);
		5096	r += l;
		5097	memcpy(r, new, newlen);
		5098	r += newlen;
		5099	}
		5100	strcpy(r, p);
		5101	}
		5102	return ret;
		5103	}
		5104
		5105	/******************************************************************************/
7848	bpr	5106
7614	schaersvoo	5107	char get_color(FILE infile , int last){
		5108	int c,i = 0,is_hex = 0;
		5109	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	5110	const char *not_allowed = "0123456789";
10891	schaersvoo	5111	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) && ( c != '\t' ) ){
7614	schaersvoo	5112	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		5113	if( c == '#' ){
		5114	is_hex = 1;
		5115	}
		5116	if( c != ' '){
8304	schaersvoo	5117	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	5118	temp[i]=tolower(c);
		5119	i++;
		5120	}
		5121	}
10891	schaersvoo	5122	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5123	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5124	if( c == EOF ){finished = 1;}
		5125	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		5126	temp[i]='\0';
		5127	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		5128	if( is_hex == 1 ){
		5129	char red[3], green[3], blue[3];
		5130	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		5131	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		5132	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		5133	int r = (int) strtol(red, NULL, 16);
		5134	int g = (int) strtol(green, NULL, 16);
		5135	int b = (int) strtol(blue, NULL, 16);
		5136	string = (char *)my_newmem(12);
		5137	snprintf(string,11,"%d,%d,%d",r,g,b);
		5138	return string;
		5139	}
		5140	else
		5141	{
		5142	string = (char *)my_newmem(sizeof(temp));
		5143	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	5144	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	5145	if( strcmp( colors[i].name , string ) == 0 ){
		5146	return colors[i].rgb;
		5147	}
		5148	}
8304	schaersvoo	5149	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	5150	}
8304	schaersvoo	5151	return "0,0,255";
7614	schaersvoo	5152	}
		5153
		5154	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		5155	int c,i=0;
		5156	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5157	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') ){
7614	schaersvoo	5158	temp[i]=c;
		5159	i++;
		5160	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		5161	}
10891	schaersvoo	5162	if( ( c == '\n' \|\| c == '\t' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		5163	if( c == '\n' \|\| c == '\t') { done = TRUE; line_number++; }
11022	schaersvoo	5164	if( c == EOF ) {finished = 1;}
7614	schaersvoo	5165	temp[i]='\0';
11022	schaersvoo	5166	if( strlen(temp) == 0 && last != 3 ){ canvas_error("expected a word or string, but found nothing !!");}
7614	schaersvoo	5167	string=(char *)my_newmem(strlen(temp));
		5168	snprintf(string,sizeof(temp),"%s",temp);
		5169	return string;
		5170	}
		5171
		5172	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		5173	int c,i=0;
		5174	char temp[MAX_BUFFER], *string;
10891	schaersvoo	5175	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != '\t') && ( c != ',')){
7614	schaersvoo	5176	temp[i]=c;
		5177	i++;
		5178	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		5179	}
8224	bpr	5180	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
10891	schaersvoo	5181	if( c == '\n' \|\| c == '\t' ) { line_number++; }
7614	schaersvoo	5182	if( c == EOF ) {finished = 1;}
9478	schaersvoo	5183	if( finished == 1 && last == 0 ){ canvas_error("expected more arguments");}
7614	schaersvoo	5184	temp[i]='\0';
10953	bpr	5185	/*
8322	schaersvoo	5186	17.10.2014 removed (question Perrin)
		5187	may cause some unwanted effects...
7614	schaersvoo	5188	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
8322	schaersvoo	5189	*/
7614	schaersvoo	5190	string=(char *)my_newmem(sizeof(temp));
		5191	snprintf(string,sizeof(temp),"%s",temp);
		5192	done = TRUE;
		5193	return string;
		5194	}
		5195
		5196	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		5197	int c,i=0,found_calc = 0;
		5198	double y;
		5199	char tmp[MAX_INT];
10953	bpr	5200	/*
		5201	these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
8383	schaersvoo	5202	but there should be a better way to avoid segfaults !
8348	schaersvoo	5203	*/
		5204	const char allowed = "earcostanpilogqb+-/^()";/* assuming these are allowed stuff in a 'number'*/
		5205	const char not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/ avoid segmentation faults in a "atof()" and "wims eval" */
10891	schaersvoo	5206	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && (c != '\t') && ( c != ';')){
7614	schaersvoo	5207	if( c != ' ' ){
8224	bpr	5208	if( i == 0 && c == '+' ){
7614	schaersvoo	5209	continue;
8224	bpr	5210	}
7614	schaersvoo	5211	else
		5212	{
8304	schaersvoo	5213	c = tolower(c);
		5214	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		5215	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	5216	tmp[i] = c;
		5217	i++;
		5218	}
		5219	}
		5220	if( i > MAX_INT - 1){canvas_error("number too large");}
		5221	}
10891	schaersvoo	5222	if( ( c == '\n' \|\| c == EOF \|\| c == ';' \|\| c == '\t' ) && last == 0){canvas_error("expecting more arguments in command");}
		5223	if( c == '\n' \|\| c == ';' \|\| c == '\t' ){ done = TRUE; line_number++; }
7614	schaersvoo	5224	if( c == EOF ){done = TRUE ; finished = 1;}
		5225	tmp[i]='\0';
		5226	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	5227	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	5228	void *f = eval_create(tmp);
7614	schaersvoo	5229	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	5230	y = eval_x(f, 1);
7614	schaersvoo	5231	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	5232	eval_destroy(f);
7614	schaersvoo	5233	}
		5234	else
		5235	{
		5236	y = atof(tmp);
		5237	}
		5238	return y;
		5239	}
8304	schaersvoo	5240
		5241
7614	schaersvoo	5242	void canvas_error(char *msg){
8383	schaersvoo	5243	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number,msg);
7614	schaersvoo	5244	finished = 1;
		5245	exit(EXIT_SUCCESS);
		5246	}
		5247
		5248
		5249	/* convert x/y coordinates to pixel */
		5250	int x2px(double x){
		5251	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		5252	}
		5253
		5254	int y2px(double y){
		5255	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		5256	}
		5257
		5258	double px2x(int x){
		5259	return (x*(xmax - xmin)/xsize + xmin);
		5260	}
		5261	double px2y(int y){
		5262	return (y*(ymax - ymin)/ysize + ymin);
		5263	}
		5264
		5265	void add_to_buffer(char *tmp){
		5266	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		5267	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		5268	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		5269	if( space_left > strlen(tmp)){
		5270	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		5271	}
		5272	else
		5273	{
		5274	canvas_error("buffer is too big\n");
		5275	}
		5276	tmp = NULL;free(tmp);
		5277	return;
		5278	}
		5279
		5280	void reset(){
		5281	if(use_filled == TRUE){use_filled = FALSE;}
		5282	if(use_dashed == TRUE){use_dashed = FALSE;}
		5283	if(use_rotate == TRUE){use_rotate = FALSE;}
8379	schaersvoo	5284	onclick = 0;
7614	schaersvoo	5285	}
		5286
		5287
		5288
		5289	/* What reply format in read_canvas();
		5290
		5291	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		5292	1 = x1,x2,x3,x4....x_n
		5293	y1,y2,y3,y4....y_n
		5294
		5295	x/y in pixels
		5296
		5297	2 = x1,x2,x3,x4....x_n
		5298	y1,y2,y3,y4....y_n
		5299	x/y in xrange / yrange coordinate system
		5300
		5301	3 = x1,x2,x3,x4....x_n
		5302	y1,y2,y3,y4....y_n
		5303	r1,r2,r3,r4....r_n
		5304
8224	bpr	5305	x/y in pixels
7614	schaersvoo	5306	r in pixels
		5307
		5308	4 = x1,x2,x3,x4....x_n
		5309	y1,y2,y3,y4....y_n
		5310	r1,r2,r3,r4....r_n
		5311
		5312	x/y in xrange / yrange coordinate system
		5313	r in pixels
		5314
		5315	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		5316	Ay1,Ay2,Ay3,Ay4....Ay_n
		5317	Bx1,Bx2,Bx3,Bx4....Bx_n
		5318	By1,By2,By3,By4....By_n
		5319	Cx1,Cx2,Cx3,Cx4....Cx_n
		5320	Cy1,Cy2,Cy3,Cy4....Cy_n
		5321	....
		5322	Zx1,Zx2,Zx3,Zx4....Zx_n
		5323	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	5324
7614	schaersvoo	5325	x/y in pixels
		5326
		5327	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		5328	Ay1,Ay2,Ay3,Ay4....Ay_n
		5329	Bx1,Bx2,Bx3,Bx4....Bx_n
		5330	By1,By2,By3,By4....By_n
		5331	Cx1,Cx2,Cx3,Cx4....Cx_n
		5332	Cy1,Cy2,Cy3,Cy4....Cy_n
		5333	....
		5334	Zx1,Zx2,Zx3,Zx4....Zx_n
		5335	Zy1,Zy2,Zy3,Zy4....Zy_n
		5336
		5337	x/y in xrange / yrange coordinate system
8224	bpr	5338
7614	schaersvoo	5339	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	5340
7614	schaersvoo	5341	x/y in pixels
		5342
		5343	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	5344
7614	schaersvoo	5345	x/y in xrange / yrange coordinate system
		5346
8224	bpr	5347	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	5348
		5349	x/y in pixels
		5350
8224	bpr	5351	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	5352
		5353	x/y in xrange / yrange coordinate system
		5354
		5355	11 = Ax1,Ay1,Ax2,Ay2
		5356	Bx1,By1,Bx2,By2
		5357	Cx1,Cy1,Cx2,Cy2
		5358	Dx1,Dy1,Dx2,Dy2
		5359	......
		5360	Zx1,Zy1,Zx2,Zy2
8224	bpr	5361
7614	schaersvoo	5362	x/y in xrange / yrange coordinate system
		5363
		5364	12 = Ax1,Ay1,Ax2,Ay2
		5365	Bx1,By1,Bx2,By2
		5366	Cx1,Cy1,Cx2,Cy2
		5367	Dx1,Dy1,Dx2,Dy2
		5368	......
		5369	Zx1,Zy1,Zx2,Zy2
8224	bpr	5370
7614	schaersvoo	5371	x/y in pixels
		5372
		5373	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		5374
		5375	x/y in xrange / yrange coordinate system
		5376	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		5377	x/y in pixels
		5378	15 = reply from inputfields,textareas
		5379	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	5380	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	5381
		5382	16 = read mathml inputfields only
		5383
11080	schaersvoo	5384	17 = read userdraw text only (x1,y1,text1\nx2,y2,text2..\n.x_n,y_n,text_n
7614	schaersvoo	5385	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		5386
		5387	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		5388	19 = return clicked object number (analogue to shape-library onclick)
		5389	20 = return x/y-data in x-range/y-range of all 'draggable' images
		5390	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		5391	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		5392	x/y in xrange / yrange coordinate system
8224	bpr	5393	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	5394	24 = read all inputfield values: even those set 'readonly'
8224	bpr	5395	25 = return all userdrawn arcs in degrees:
		5396	26 = return all userdrawn arcs in radians:
11080	schaersvoo	5397	27 = return (only) userdraw inputfields array: x1,y1,text1 \n x2,y2,text2...
8322	schaersvoo	5398	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
10953	bpr	5399	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
8322	schaersvoo	5400	'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'
		5401	will not return anything else (e.g. no inputfields , text etc)
10953	bpr	5402	29 = mulidraw read :
		5403
7614	schaersvoo	5404	*/
		5405
		5406
8257	schaersvoo	5407	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	5408	/* just 1 reply type allowed */
8074	schaersvoo	5409	fprintf(js_include_file,"\
		5410	\n<!-- begin set_reply_precision() -->\n\
		5411	function set_reply_precision(){\
		5412	var len = userdraw_x.length;\
		5413	var prec = %d;\
		5414	for(var p = 0 ; p < len ; p++ ){\
		5415	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		5416	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		5417	};\
		5418	len = userdraw_radius.length;\
		5419	if( len > 0 ){\
		5420	for(var p = 0 ; p < len ; p++ ){\
		5421	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		5422	};\
		5423	};\
		5424	};",reply_precision);
7963	schaersvoo	5425
7614	schaersvoo	5426	switch(type_reply){
8224	bpr	5427	/*
7614	schaersvoo	5428	answers may have:
		5429	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		5430	*/
		5431	case 1: fprintf(js_include_file,"\
8257	schaersvoo	5432	\n<!-- begin function 1 read_canvas%d() -->\n\
		5433	read_canvas%d = function(){\
7614	schaersvoo	5434	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5435	set_reply_precision();\
7614	schaersvoo	5436	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5437	var p = 0;var input_reply = new Array();\
		5438	if( document.getElementById(\"canvas_input0\")){\
		5439	var t = 0;\
		5440	while(document.getElementById(\"canvas_input\"+t)){\
		5441	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5442	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5443	p++;\
		5444	};\
		5445	t++;\
		5446	};\
		5447	};\
11088	schaersvoo	5448	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5449	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		5450	}\
		5451	else\
		5452	{\
		5453	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		5454	}\
		5455	}\
		5456	else\
		5457	{\
11088	schaersvoo	5458	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5459	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		5460	}\
		5461	else\
		5462	{\
		5463	return userdraw_x+\"\\n\"+userdraw_y;\
		5464	}\
		5465	};\
8108	schaersvoo	5466	};\n\
8257	schaersvoo	5467	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5468	break;
		5469	case 2: fprintf(js_include_file,"\
8257	schaersvoo	5470	\n<!-- begin function 2 read_canvas%d() -->\n\
		5471	read_canvas%d = function(){\
7614	schaersvoo	5472	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5473	set_reply_precision();\
7614	schaersvoo	5474	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	5475	var prec = %d;\
7614	schaersvoo	5476	while(userdraw_x[p]){\
8074	schaersvoo	5477	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		5478	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	5479	p++;\
		5480	};\
11806	schaersvoo	5481	if(p == 0){return;};\
7614	schaersvoo	5482	if( document.getElementById(\"canvas_input0\")){\
		5483	var p = 0;var input_reply = new Array();\
		5484	if( document.getElementById(\"canvas_input0\")){\
		5485	var t = 0;\
		5486	while(document.getElementById(\"canvas_input\"+t)){\
		5487	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5488	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5489	p++;\
		5490	};\
		5491	t++;\
		5492	};\
		5493	};\
11088	schaersvoo	5494	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5495	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5496	}\
		5497	else\
		5498	{\
		5499	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		5500	}\
		5501	}\
		5502	else\
		5503	{\
11088	schaersvoo	5504	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5505	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		5506	}\
		5507	else\
		5508	{\
		5509	return reply_x+\"\\n\"+reply_y;\
		5510	};\
		5511	};\
8108	schaersvoo	5512	};\n\
8257	schaersvoo	5513	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5514	break;
		5515	case 3: fprintf(js_include_file,"\
8257	schaersvoo	5516	\n<!-- begin function 3 read_canvas%d() -->\n\
		5517	read_canvas%d = function(){\
7614	schaersvoo	5518	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	5519	set_reply_precision();\
7614	schaersvoo	5520	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5521	var p = 0;var input_reply = new Array();\
		5522	if( document.getElementById(\"canvas_input0\")){\
		5523	var t = 0;\
		5524	while(document.getElementById(\"canvas_input\"+t)){\
		5525	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5526	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5527	p++;\
		5528	};\
		5529	t++;\
		5530	};\
		5531	};\
11088	schaersvoo	5532	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5533	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5534	}\
		5535	else\
		5536	{\
		5537	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		5538	}\
		5539	}\
		5540	else\
		5541	{\
11088	schaersvoo	5542	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5543	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		5544	}\
		5545	else\
		5546	{\
		5547	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		5548	}\
		5549	}\
8108	schaersvoo	5550	};\n\
8257	schaersvoo	5551	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5552	break;
		5553	case 4: fprintf(js_include_file,"\
8257	schaersvoo	5554	\n<!-- begin function 4 read_canvas%d() -->\n\
		5555	read_canvas%d = function(){\
8074	schaersvoo	5556	var prec = %d;\
7614	schaersvoo	5557	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		5558	while(userdraw_x[p]){\
8074	schaersvoo	5559	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		5560	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	5561	p++;\
		5562	};\
11806	schaersvoo	5563	if(p == 0){return;};\
7614	schaersvoo	5564	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5565	var p = 0;var input_reply = new Array();\
		5566	if( document.getElementById(\"canvas_input0\")){\
		5567	var t = 0;\
		5568	while(document.getElementById(\"canvas_input\"+t)){\
		5569	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5570	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5571	p++;\
		5572	};\
		5573	t++;\
		5574	};\
		5575	};\
11088	schaersvoo	5576	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5577	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5578	}\
		5579	else\
		5580	{\
		5581	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		5582	}\
		5583	}\
		5584	else\
		5585	{\
11088	schaersvoo	5586	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5587	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		5588	}\
		5589	else\
		5590	{\
		5591	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		5592	}\
		5593	};\
8108	schaersvoo	5594	};\n\
8257	schaersvoo	5595	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5596	break;
8224	bpr	5597	/*
		5598	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		5599	used for userdraw multiple paths
7614	schaersvoo	5600	*/
		5601	case 5: fprintf(js_include_file,"\
8257	schaersvoo	5602	\n<!-- begin function 5 read_canvas%d() -->\n\
		5603	read_canvas%d = function(){\
8074	schaersvoo	5604	set_reply_precision();\
7614	schaersvoo	5605	var p = 0;\
		5606	var reply = \"\";\
		5607	for(p = 0; p < userdraw_x.length;p++){\
		5608	if(userdraw_x[p] != null ){\
		5609	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		5610	};\
		5611	};\
11806	schaersvoo	5612	if(p == 0){return;};\
7614	schaersvoo	5613	userdraw_x = [];userdraw_y = [];\
		5614	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5615	var p = 0;var input_reply = new Array();\
		5616	if( document.getElementById(\"canvas_input0\")){\
		5617	var t = 0;\
		5618	while(document.getElementById(\"canvas_input\"+t)){\
		5619	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5620	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5621	p++;\
		5622	};\
		5623	t++;\
		5624	};\
		5625	};\
11088	schaersvoo	5626	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5627	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5628	}\
		5629	else\
		5630	{\
		5631	return reply +\"\\n\"+input_reply;\
		5632	}\
		5633	}\
		5634	else\
		5635	{\
11088	schaersvoo	5636	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5637	return reply+\"\\n\"+userdraw_text;\
		5638	}\
		5639	else\
		5640	{\
		5641	return reply;\
		5642	}\
		5643	};\
8108	schaersvoo	5644	};\n\
8257	schaersvoo	5645	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5646	break;
8224	bpr	5647	/*
		5648	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		5649	used for userdraw multiple paths
7614	schaersvoo	5650	*/
		5651	case 6: fprintf(js_include_file,"\
8257	schaersvoo	5652	\n<!-- begin function 6 read_canvas%d() -->\n\
		5653	read_canvas%d = function(){\
7614	schaersvoo	5654	var p = 0;\
		5655	var reply = \"\";\
		5656	var tmp_x = new Array();\
		5657	var tmp_y = new Array();\
8074	schaersvoo	5658	var prec = %d;\
7614	schaersvoo	5659	for(p = 0 ; p < userdraw_x.length; p++){\
		5660	tmp_x = userdraw_x[p];\
		5661	tmp_y = userdraw_y[p];\
		5662	if(tmp_x != null){\
		5663	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	5664	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		5665	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	5666	};\
		5667	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		5668	};\
		5669	};\
11806	schaersvoo	5670	if(p == 0){return;};\
7614	schaersvoo	5671	userdraw_x = [];userdraw_y = [];\
		5672	if( document.getElementById(\"canvas_input0\") ){\
		5673	var p = 0;var input_reply = new Array();\
		5674	if( document.getElementById(\"canvas_input0\")){\
		5675	var t = 0;\
		5676	while(document.getElementById(\"canvas_input\"+t)){\
		5677	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5678	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5679	p++;\
		5680	};\
		5681	t++;\
		5682	};\
		5683	};\
11088	schaersvoo	5684	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5685	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5686	}\
		5687	else\
		5688	{\
		5689	return reply +\"\\n\"+input_reply;\
		5690	}\
		5691	}\
		5692	else\
		5693	{\
11088	schaersvoo	5694	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5695	return reply +\"\\n\"+userdraw_text;\
		5696	}\
		5697	else\
		5698	{\
		5699	return reply;\
		5700	}\
		5701	};\
8108	schaersvoo	5702	};\n\
8257	schaersvoo	5703	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5704	break;
		5705	case 7: fprintf(js_include_file,"\
8257	schaersvoo	5706	\n<!-- begin function 7 read_canvas%d() -->\n\
		5707	read_canvas%d = function(){\
8074	schaersvoo	5708	set_reply_precision();\
7614	schaersvoo	5709	var reply = new Array();\
		5710	var p = 0;\
		5711	while(userdraw_x[p]){\
		5712	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		5713	p++;\
		5714	};\
11806	schaersvoo	5715	if(p == 0){return;};\
7614	schaersvoo	5716	if( document.getElementById(\"canvas_input0\") ){\
		5717	var p = 0;var input_reply = new Array();\
		5718	if( document.getElementById(\"canvas_input0\")){\
		5719	var t = 0;\
		5720	while(document.getElementById(\"canvas_input\"+t)){\
		5721	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5722	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5723	p++;\
		5724	};\
		5725	t++;\
		5726	};\
		5727	};\
11088	schaersvoo	5728	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5729	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5730	}\
		5731	else\
		5732	{\
		5733	return reply+\"\\n\"+input_reply;\
		5734	}\
7862	schaersvoo	5735	}\
7614	schaersvoo	5736	else\
		5737	{\
11088	schaersvoo	5738	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5739	return reply+\"\\n\"+userdraw_text;\
		5740	}\
		5741	else\
		5742	{\
		5743	return reply;\
		5744	}\
		5745	};\
8108	schaersvoo	5746	};\n\
8257	schaersvoo	5747	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5748	break;
		5749	case 8: fprintf(js_include_file,"\
8257	schaersvoo	5750	\n<!-- begin function 8 read_canvas%d() -->\n\
		5751	read_canvas%d = function(){\
7614	schaersvoo	5752	var reply = new Array();\
		5753	var p = 0;\
8074	schaersvoo	5754	var prec = %d;\
7614	schaersvoo	5755	while(userdraw_x[p]){\
8074	schaersvoo	5756	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	5757	p++;\
		5758	};\
11806	schaersvoo	5759	if(p == 0){return;};\
7614	schaersvoo	5760	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5761	var p = 0;var input_reply = new Array();\
		5762	if( document.getElementById(\"canvas_input0\")){\
		5763	var t = 0;\
		5764	while(document.getElementById(\"canvas_input\"+t)){\
		5765	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5766	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5767	p++;\
		5768	};\
		5769	t++;\
		5770	};\
		5771	};\
11088	schaersvoo	5772	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5773	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5774	}\
		5775	else\
		5776	{\
		5777	return reply +\"\\n\"+input_reply;\
		5778	}\
		5779	}\
		5780	else\
		5781	{\
11088	schaersvoo	5782	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5783	return reply +\"\\n\"+userdraw_text;\
		5784	}\
		5785	else\
		5786	{\
		5787	return reply;\
		5788	}\
		5789	};\
8108	schaersvoo	5790	};\n\
8257	schaersvoo	5791	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5792	break;
		5793	case 9: fprintf(js_include_file,"\
8257	schaersvoo	5794	\n<!-- begin function 9 read_canvas%d() -->\n\
		5795	read_canvas%d = function(){\
8074	schaersvoo	5796	set_reply_precision();\
7614	schaersvoo	5797	var reply = new Array();\
		5798	var p = 0;\
		5799	while(userdraw_x[p]){\
		5800	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		5801	p++;\
		5802	};\
11806	schaersvoo	5803	if(p == 0){return;};\
7614	schaersvoo	5804	if( document.getElementById(\"canvas_input0\") ){\
		5805	var p = 0;var input_reply = new Array();\
		5806	if( document.getElementById(\"canvas_input0\")){\
		5807	var t = 0;\
		5808	while(document.getElementById(\"canvas_input\"+t)){\
		5809	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5810	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5811	p++;\
		5812	};\
		5813	t++;\
		5814	};\
		5815	};\
11088	schaersvoo	5816	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5817	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5818	}\
		5819	else\
		5820	{\
		5821	return reply +\"\\n\"+input_reply;\
		5822	}\
		5823	}\
		5824	else\
		5825	{\
11088	schaersvoo	5826	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5827	return reply +\"\\n\"+userdraw_text;\
		5828	}\
		5829	else\
		5830	{\
		5831	return reply;\
		5832	}\
		5833	};\
8108	schaersvoo	5834	};\n\
8257	schaersvoo	5835	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5836	break;
		5837	case 10: fprintf(js_include_file,"\
8257	schaersvoo	5838	\n<!-- begin function 10 read_canvas%d() -->\n\
		5839	read_canvas%d = function(){\
7614	schaersvoo	5840	var reply = new Array();\
		5841	var p = 0;\
8074	schaersvoo	5842	var prec = %d;\
7614	schaersvoo	5843	while(userdraw_x[p]){\
8074	schaersvoo	5844	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	5845	p++;\
		5846	};\
11806	schaersvoo	5847	if(p == 0){return;};\
7614	schaersvoo	5848	if( document.getElementById(\"canvas_input0\") ){\
		5849	var p = 0;var input_reply = new Array();\
		5850	if( document.getElementById(\"canvas_input0\")){\
		5851	var t = 0;\
		5852	while(document.getElementById(\"canvas_input\"+t)){\
		5853	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5854	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5855	p++;\
		5856	};\
		5857	t++;\
		5858	};\
		5859	};\
11088	schaersvoo	5860	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5861	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5862	}\
		5863	else\
		5864	{\
		5865	return reply +\"\\n\"+input_reply;\
		5866	}\
		5867	}\
		5868	else\
		5869	{\
11088	schaersvoo	5870	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5871	return reply +\"\\n\"+userdraw_text;\
		5872	}\
		5873	else\
		5874	{\
		5875	return reply;\
		5876	}\
		5877	};\
8108	schaersvoo	5878	};\n\
8257	schaersvoo	5879	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5880	break;
		5881	case 11: fprintf(js_include_file,"\
8257	schaersvoo	5882	\n<!-- begin function 11 read_canvas%d() -->\n\
		5883	read_canvas%d = function(){\
7614	schaersvoo	5884	var reply = \"\";\
		5885	var p = 0;\
8074	schaersvoo	5886	var prec = %d;\
7614	schaersvoo	5887	while(userdraw_x[p]){\
8074	schaersvoo	5888	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	5889	p = p+2;\
		5890	};\
11806	schaersvoo	5891	if(p == 0){return;};\
7614	schaersvoo	5892	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		5893	var p = 0;var input_reply = new Array();\
		5894	if( document.getElementById(\"canvas_input0\")){\
		5895	var t = 0;\
		5896	while(document.getElementById(\"canvas_input\"+t)){\
		5897	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5898	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5899	p++;\
		5900	};\
		5901	t++;\
		5902	};\
		5903	};\
11088	schaersvoo	5904	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5905	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5906	}\
		5907	else\
		5908	{\
		5909	return reply +\"\\n\"+input_reply;\
		5910	}\
		5911	}\
		5912	else\
		5913	{\
11088	schaersvoo	5914	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5915	return reply +\"\\n\"+userdraw_text;\
		5916	}\
		5917	else\
		5918	{\
		5919	return reply;\
		5920	}\
		5921	};\
8108	schaersvoo	5922	};\n\
8257	schaersvoo	5923	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	5924	break;
		5925	case 12: fprintf(js_include_file,"\
8257	schaersvoo	5926	\n<!-- begin function 12 read_canvas%d() -->\n\
		5927	read_canvas%d = function(){\
8074	schaersvoo	5928	set_reply_precision();\
7614	schaersvoo	5929	var reply = \"\";\
		5930	var p = 0;\
		5931	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		5932	if(userdraw_x[p] != null){\
		5933	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		5934	};\
		5935	};\
11806	schaersvoo	5936	if(p == 0){return;};\
7614	schaersvoo	5937	if( document.getElementById(\"canvas_input0\") ){\
		5938	var p = 0;var input_reply = new Array();\
		5939	if( document.getElementById(\"canvas_input0\")){\
		5940	var t = 0;\
		5941	while(document.getElementById(\"canvas_input\"+t)){\
		5942	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5943	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5944	p++;\
		5945	};\
		5946	t++;\
		5947	};\
		5948	};\
11088	schaersvoo	5949	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5950	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5951	}\
		5952	else\
		5953	{\
		5954	return reply +\"\\n\"+input_reply;\
		5955	}\
		5956	}\
		5957	else\
		5958	{\
11088	schaersvoo	5959	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5960	return reply +\"\\n\"+userdraw_text\
		5961	}\
		5962	else\
		5963	{\
		5964	return reply;\
		5965	}\
		5966	};\
8108	schaersvoo	5967	};\n\
8257	schaersvoo	5968	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5969	break;
		5970	case 13: fprintf(js_include_file,"\
8257	schaersvoo	5971	\n<!-- begin function 13 read_canvas%d() -->\n\
		5972	read_canvas%d = function(){\
7614	schaersvoo	5973	var reply = new Array();\
		5974	var p = 0;var i = 0;\
8074	schaersvoo	5975	var prec = %d;\
7614	schaersvoo	5976	while(userdraw_x[p]){\
8074	schaersvoo	5977	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	5978	p = p+2;i++;\
		5979	};\
11806	schaersvoo	5980	if(p == 0){return;};\
7614	schaersvoo	5981	if( document.getElementById(\"canvas_input0\") ){\
		5982	var p = 0;var input_reply = new Array();\
		5983	if( document.getElementById(\"canvas_input0\")){\
		5984	var t = 0;\
		5985	while(document.getElementById(\"canvas_input\"+t)){\
		5986	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		5987	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		5988	p++;\
		5989	};\
		5990	t++;\
		5991	};\
		5992	};\
11088	schaersvoo	5993	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	5994	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		5995	}\
		5996	else\
		5997	{\
		5998	return reply +\"\\n\"+input_reply;\
		5999	}\
		6000	}\
		6001	else\
		6002	{\
11088	schaersvoo	6003	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6004	return reply +\"\\n\"+userdraw_text\
		6005	}\
		6006	else\
		6007	{\
		6008	return reply;\
		6009	}\
		6010	};\
8108	schaersvoo	6011	};\n\
8257	schaersvoo	6012	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6013	break;
		6014	case 14: fprintf(js_include_file,"\
8257	schaersvoo	6015	\n<!-- begin function 14 read_canvas%d() -->\n\
		6016	read_canvas%d = function(){\
8074	schaersvoo	6017	set_reply_precision();\
7614	schaersvoo	6018	var reply = new Array();\
		6019	var p = 0;var i = 0;\
		6020	while(userdraw_x[p]){\
		6021	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		6022	p = p+2;i++;\
		6023	};\
11806	schaersvoo	6024	if(p == 0){return;};\
7614	schaersvoo	6025	if( document.getElementById(\"canvas_input0\") ){\
		6026	var p = 0;var input_reply = new Array();\
		6027	if( document.getElementById(\"canvas_input0\")){\
		6028	var t = 0;\
		6029	while(document.getElementById(\"canvas_input\"+t)){\
		6030	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6031	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6032	p++;\
		6033	};\
		6034	t++;\
		6035	};\
		6036	};\
11088	schaersvoo	6037	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6038	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6039	}\
		6040	else\
		6041	{\
		6042	return reply +\"\\n\"+input_reply;\
		6043	}\
		6044	}\
		6045	else\
		6046	{\
11088	schaersvoo	6047	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6048	return reply +\"\\n\"+userdraw_text;\
		6049	}\
		6050	else\
		6051	{\
		6052	return reply;\
		6053	}\
		6054	};\
8108	schaersvoo	6055	};\n\
8257	schaersvoo	6056	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6057	break;
		6058	case 15: fprintf(js_include_file,"\
8257	schaersvoo	6059	\n<!-- begin function 15 read_canvas%d() -->\n\
		6060	read_canvas%d = function(){\
7614	schaersvoo	6061	var input_reply = new Array();\
		6062	var p = 0;\
		6063	if( document.getElementById(\"canvas_input0\")){\
		6064	var t = 0;\
		6065	while(document.getElementById(\"canvas_input\"+t)){\
		6066	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6067	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6068	p++;\
		6069	};\
		6070	t++;\
		6071	};\
		6072	};\
11088	schaersvoo	6073	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6074	return input_reply +\"\\n\"+userdraw_text;\
		6075	}\
		6076	else\
		6077	{\
		6078	return input_reply;\
		6079	};\
8108	schaersvoo	6080	};\n\
8257	schaersvoo	6081	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6082	break;
		6083	case 16: fprintf(js_include_file,"\
7653	schaersvoo	6084	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	6085	function read_mathml(){\
		6086	var reply = new Array();\
		6087	var p = 0;\
		6088	if( document.getElementById(\"mathml0\")){\
		6089	while(document.getElementById(\"mathml\"+p)){\
		6090	reply[p] = document.getElementById(\"mathml\"+p).value;\
		6091	p++;\
		6092	};\
		6093	};\
		6094	return reply;\
		6095	};\
		6096	this.read_mathml = read_mathml;\n\
7653	schaersvoo	6097	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	6098	break;
		6099	case 17: fprintf(js_include_file,"\
8257	schaersvoo	6100	\n<!-- begin function 17 read_canvas%d() -->\n\
		6101	read_canvas%d = function(){\
11080	schaersvoo	6102	var len = userdraw_x.length;\
		6103	if( len == 0){alert(\"no text typed...\");return;}\
		6104	var rep = px2x(userdraw_x[0])+\",\"+px2y(userdraw_y[0])+\",\"+userdraw_text[0];\
		6105	for(var p = 1 ; p < len ; p++){\
		6106	rep = rep + \"\\n\" + px2x(userdraw_x[p]) + \",\" + px2y(userdraw_y[p]) + \",\" + userdraw_text[p];\
		6107	};\
		6108	return rep;\
8108	schaersvoo	6109	};\n\
8257	schaersvoo	6110	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6111	break;
		6112	case 18: fprintf(js_include_file,"\
10956	schaersvoo	6113	\n<!-- javascript has no real modulo function -->\n\
		6114	function mod(n, m){\
		6115	var m = parseInt(((n %% m) + m) %% m);\
		6116	return m;\
		6117	};\
8257	schaersvoo	6118	\n<!-- begin function 18 read_canvas%d() -->\n\
		6119	read_canvas%d = function(){\
7614	schaersvoo	6120	var p = 0;\
		6121	var reply = new Array();\
		6122	var name;\
		6123	var t = true;\
8000	schaersvoo	6124	var h;var m;var s;\
7614	schaersvoo	6125	while(t){\
8000	schaersvoo	6126	try{\
		6127	name = eval('clocks'+p);\
		6128	h = name.H;m = name.M;s = name.S;\
10956	schaersvoo	6129	h = mod((h+m/60+s/3600),12);m = mod((m + s/60),60);s = mod(s,60);\
8000	schaersvoo	6130	reply[p] = h+\":\"+m+\":\"+s;\
		6131	p++;\
		6132	}catch(e){t=false;};\
7614	schaersvoo	6133	};\
8000	schaersvoo	6134	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	6135	return reply;\
8108	schaersvoo	6136	};\n\
8257	schaersvoo	6137	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6138	break;
		6139	case 19: fprintf(js_include_file,"\
8257	schaersvoo	6140	\n<!-- begin function 19 read_canvas%d() -->\n\
		6141	read_canvas%d = function(){\
7614	schaersvoo	6142	return reply[0];\
8108	schaersvoo	6143	};\n\
8257	schaersvoo	6144	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	6145	break;
7614	schaersvoo	6146	case 20: fprintf(js_include_file,"\
8257	schaersvoo	6147	\n<!-- begin function 20 read_canvas%d() -->\n\
		6148	read_canvas%d = function(){\
8074	schaersvoo	6149	var prec = %d;\
7614	schaersvoo	6150	var len = ext_drag_images.length;\
		6151	var reply = new Array(len);\
		6152	for(var p = 0 ; p < len ; p++){\
		6153	var img = ext_drag_images[p];\
8556	schaersvoo	6154	reply[p] = p+\":\"+(Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	6155	};\
		6156	return reply;\
8108	schaersvoo	6157	};\n\
8257	schaersvoo	6158	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6159	break;
		6160	case 21: fprintf(js_include_file,"\
8257	schaersvoo	6161	\n<!-- begin function 21 read_canvas%d() -->\n\
		6162	read_canvas%d = function(){\
7614	schaersvoo	6163	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		6164	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	6165	var prec = %d;\
7614	schaersvoo	6166	while(userdraw_x[p]){\
8074	schaersvoo	6167	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	6168	p++;\
		6169	};\
11806	schaersvoo	6170	if(p == 0){return;};\
7614	schaersvoo	6171	if( document.getElementById(\"canvas_input0\") ){\
		6172	var p = 0;var input_reply = new Array();\
		6173	if( document.getElementById(\"canvas_input0\")){\
		6174	var t = 0;\
		6175	while(document.getElementById(\"canvas_input\"+t)){\
		6176	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6177	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6178	p++;\
		6179	};\
		6180	t++;\
		6181	};\
		6182	};\
11088	schaersvoo	6183	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6184	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6185	}\
		6186	else\
		6187	{\
		6188	return reply_coord+\"\\n\"+input_reply;\
		6189	}\
		6190	}\
		6191	else\
		6192	{\
11088	schaersvoo	6193	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6194	return reply_coord+\"\\n\"+userdraw_text;\
		6195	}\
		6196	else\
		6197	{\
		6198	return reply_coord;\
		6199	};\
		6200	};\
8108	schaersvoo	6201	};\n\
8257	schaersvoo	6202	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6203	break;
		6204	case 22: fprintf(js_include_file,"\
8257	schaersvoo	6205	\n<!-- begin function 22 read_canvas%d() -->\n\
		6206	read_canvas%d = function(){\
7614	schaersvoo	6207	var reply = new Array();\
7963	schaersvoo	6208	var lu = userdraw_x.length;\
11806	schaersvoo	6209	if(lu == 0){return;};\
7614	schaersvoo	6210	var idx = 0;\
8074	schaersvoo	6211	var prec = %d;\
7963	schaersvoo	6212	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	6213	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		6214	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	6215	};\
		6216	if( document.getElementById(\"canvas_input0\") ){\
		6217	var p = 0;var input_reply = new Array();\
		6218	if( document.getElementById(\"canvas_input0\")){\
		6219	var t = 0;\
		6220	while(document.getElementById(\"canvas_input\"+t)){\
		6221	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6222	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6223	p++;\
		6224	};\
		6225	t++;\
		6226	};\
		6227	};\
11088	schaersvoo	6228	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6229	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6230	}\
		6231	else\
		6232	{\
		6233	return reply +\"\\n\"+input_reply;\
		6234	}\
		6235	}\
		6236	else\
		6237	{\
11088	schaersvoo	6238	if( typeof(userdraw_text) !== 'undefined' ){\
7614	schaersvoo	6239	return reply +\"\\n\"+userdraw_text;\
		6240	}\
		6241	else\
		6242	{\
		6243	return reply;\
		6244	}\
		6245	};\
8108	schaersvoo	6246	};\n\
8257	schaersvoo	6247	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	6248	break;
7782	schaersvoo	6249	case 23: fprintf(js_include_file,"\
8257	schaersvoo	6250	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		6251	read_canvas%d = function(){\
7782	schaersvoo	6252	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		6253	var lu = userdraw_x.length;\
		6254	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	6255	var reply_x = new Array();var reply_y = new Array();\
		6256	var marge = 5;var p = 0;\
8074	schaersvoo	6257	var prec = %d;\
7782	schaersvoo	6258	for(var i = 0; i < lu - 1 ; i++ ){\
10987	schaersvoo	6259	if( Math.abs(userdraw_x[i] - userdraw_x[i+1]) \|\| Math.abs(userdraw_y[i] - userdraw_y[i+1])){\
8074	schaersvoo	6260	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	6261	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		6262	p++;\
7782	schaersvoo	6263	};\
8074	schaersvoo	6264	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	6265	};\
		6266	if( document.getElementById(\"canvas_input0\")){\
		6267	var p = 0;var input_reply = new Array();\
		6268	if( document.getElementById(\"canvas_input0\")){\
		6269	var t = 0;\
		6270	while(document.getElementById(\"canvas_input\"+t)){\
		6271	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		6272	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		6273	p++;\
		6274	};\
		6275	t++;\
		6276	};\
		6277	};\
11088	schaersvoo	6278	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6279	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		6280	}\
		6281	else\
		6282	{\
		6283	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		6284	}\
		6285	}\
		6286	else\
		6287	{\
11088	schaersvoo	6288	if( typeof(userdraw_text) !== 'undefined' ){\
7782	schaersvoo	6289	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		6290	}\
		6291	else\
		6292	{\
		6293	return reply_x+\"\\n\"+reply_y;\
		6294	};\
		6295	};\
8108	schaersvoo	6296	};\n\
8257	schaersvoo	6297	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	6298	break;
7984	schaersvoo	6299	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	6300	<!-- begin function 24 read_canvas%d() -->\n\
		6301	read_canvas%d = function(){\
7984	schaersvoo	6302	var input_reply = new Array();\
		6303	var p = 0;\
		6304	if( document.getElementById(\"canvas_input0\")){\
		6305	while(document.getElementById(\"canvas_input\"+p)){\
		6306	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		6307	p++;\
		6308	};\
		6309	return input_reply;\
		6310	};\
8108	schaersvoo	6311	};\n\
8257	schaersvoo	6312	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	6313	break;
8083	schaersvoo	6314	case 25:
8257	schaersvoo	6315	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		6316	read_canvas%d = function(){\
8083	schaersvoo	6317	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		6318	var lu = userdraw_radius.length;\
		6319	var prec = %d;\
		6320	var angle_reply = new Array(lu);\
		6321	for(var p = 0 ; p < lu ; p++){\
		6322	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		6323	};\
		6324	return angle_reply;\
8108	schaersvoo	6325	};\n\
8257	schaersvoo	6326	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	6327	break;
		6328	case 26:
8257	schaersvoo	6329	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		6330	read_canvas%d = function(){\
8083	schaersvoo	6331	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		6332	var lu = userdraw_radius.length;\
		6333	var prec = %d;\
		6334	var angle_reply = new Array(lu);\
		6335	for(var p = 0 ; p < lu ; p++){\
		6336	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		6337	};\
		6338	return angle_reply;\
8108	schaersvoo	6339	};\n\
8257	schaersvoo	6340	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	6341	break;
8127	schaersvoo	6342	case 27:
8257	schaersvoo	6343	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		6344	read_canvas%d = function(){\
8127	schaersvoo	6345	var lu = userdraw_x.length;\
		6346	if( lu < 1){alert(\"nothing drawn...\");return;}\
		6347	set_reply_precision();\
		6348	var prec = %d;\
11080	schaersvoo	6349	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	6350	for(var p = 0 ; p < lu ; p++){\
11080	schaersvoo	6351	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	6352	};\
11080	schaersvoo	6353	return rep;\
8127	schaersvoo	6354	};\n\
8257	schaersvoo	6355	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	6356	break;
8322	schaersvoo	6357	case 28:
		6358	fprintf(js_include_file,"\n<!-- begin function 28 read_canvas%d() -->\n\
		6359	read_canvas%d = function(){\
		6360	var prec = %d;\
		6361	var reply = new Array();var p = 0;\
		6362	var idx = 0;\
		6363	while(userdraw_x[p]){\
		6364	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		6365	idx++;\
		6366	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		6367	idx++;\
		6368	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		6369	idx++;\
		6370	p++;\
		6371	};\
		6372	if( p == 0){alert(\"nothing drawn...\");return;}\
		6373	return reply;\
		6374	};\n\
9213	schaersvoo	6375	<!-- end function 28 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8322	schaersvoo	6376	break;
9213	schaersvoo	6377	case 29:
		6378	fprintf(js_include_file,"\n<!-- begin function 29 read_canvas%d() -->\n\
		6379	function xy_precision(array_x,array_y){\
		6380	var len = array_x.length;\
		6381	var x_array = new Array(len);\
		6382	var y_array = new Array(len);\
		6383	var prec = %d;\
		6384	for(var p = 0 ; p < len ; p++ ){\
		6385	x_array[p] = (Math.round(prec*(px2x(array_x[p]))))/prec;\
		6386	y_array[p] = (Math.round(prec*(px2y(array_y[p]))))/prec;\
		6387	};\
9230	schaersvoo	6388	return x_array+\";\"+y_array;\
9213	schaersvoo	6389	};\n\
		6390	function round_to_pixel(array_r){\
		6391	var len = array_r.length;\
		6392	for(var p = 0 ; p < len ; p++ ){\
		6393	array_r[p] = Math.round(array_r[p]);\
		6394	};\
		6395	return array_r;\
		6396	};\
		6397	read_canvas%d = function(){\
9300	schaersvoo	6398	var reply=\" \";\
		6399	if( points_x && points_x.length > 0 ){reply = reply + xy_precision(points_x,points_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6400	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\
		6401	if( segments_x && segments_x.length > 0 ){ reply = reply + xy_precision(segments_x,segments_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6402	if( arrows_x && arrows_x.length > 0 ){ reply = reply + xy_precision(arrows_x,arrows_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6403	if( lines_x && lines_x.length > 0 ){ reply = reply + xy_precision(lines_x,lines_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
		6404	if( triangles_x && triangles_x.length > 0){ reply = reply + xy_precision(triangles_x,triangles_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
11226	schaersvoo	6405	if( polys_x && polys_x.length > 0){ reply = reply + xy_precision(polys_x,polys_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9372	schaersvoo	6406	if( rects_x && rects_x.length > 0 ){ reply = reply + xy_precision(rects_x,rects_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9300	schaersvoo	6407	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	6408	if( parallelogram_x && parallelogram_x.length > 0){ reply = reply + xy_precision(parallelogram_x,parallelogram_y)+\"\\n\"; }else{ reply = reply + \"\\n\"; };\n\
9338	schaersvoo	6409	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	6410	return reply;\
		6411	};\n\
		6412	<!-- end function 29 read_canvas%d() -->",canvas_root_id,reply_precision,canvas_root_id,canvas_root_id);
		6413	break;
9289	schaersvoo	6414	case 30:
		6415	fprintf(js_include_file,"\n<!-- begin function 30 read_canvas%d() -->\n\
		6416	read_canvas%d = function(){\
		6417	var reply = new Array(3);\
		6418	var prec = %d;\
		6419	reply[0] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		6420	reply[1] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		6421	reply[2] = (Math.round(prec*(protractor_data[2])))/prec;\
		6422	return reply;\
		6423	};\n\
		6424	<!-- end function 30 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6425	break;
		6426	case 31:
		6427	fprintf(js_include_file,"\n<!-- begin function 31 read_canvas%d() -->\n\
		6428	read_canvas%d = function(){\
		6429	var reply = new Array(3);\
		6430	var prec = %d;\
		6431	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		6432	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		6433	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		6434	return reply;\
		6435	};\n\
		6436	<!-- end function 31 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6437	break;
		6438	case 32:
		6439	fprintf(js_include_file,"\n<!-- begin function 32 read_canvas%d() -->\n\
		6440	read_canvas%d = function(){\
		6441	var reply = new Array(6);\
		6442	var prec = %d;\
		6443	reply[0] = (Math.round(prec*(px2x(ruler_data[0]))))/prec;\
		6444	reply[1] = (Math.round(prec*(px2y(ruler_data[1]))))/prec;\
		6445	reply[2] = (Math.round(prec*(ruler_data[2])))/prec;\
		6446	reply[3] = (Math.round(prec*(px2x(protractor_data[0]))))/prec;\
		6447	reply[4] = (Math.round(prec*(px2y(protractor_data[1]))))/prec;\
		6448	reply[5] = (Math.round(prec*(protractor_data[2])))/prec;\
		6449	return reply;\
		6450	};\n\
		6451	<!-- end function 32 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		6452	break;
7614	schaersvoo	6453	default: canvas_error("hmmm unknown replyformat...");break;
		6454	}
		6455	return;
		6456	}
		6457
		6458
8224	bpr	6459	/*
		6460	add drawfunction :
7614	schaersvoo	6461	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		6462	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		6463	- grid / mathml
		6464	- will not scale or zoom in
		6465	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	6466	- is printed directly into 'js_include_file'
7614	schaersvoo	6467	*/
		6468
11021	schaersvoo	6469	void add_javascript_function(int js_function[],int canvas_root_id){
7614	schaersvoo	6470	int i;
		6471	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
11017	schaersvoo	6472	if( js_function[i] == 1){
7614	schaersvoo	6473	switch(i){
11026	bpr	6474	case JS_FIND_ANGLE:
11025	schaersvoo	6475	fprintf(js_include_file,"\n\
		6476	<!-- function find_angle() -->\n\
		6477	function find_angle(xc,yc,x1,y1){\
11019	schaersvoo	6478	var dx = x1 - xc;\
		6479	var dy = yc - y1;\
		6480	if( dx > 0 && dy < 0){ return Math.atan(-1*dy/dx);};\
		6481	if( dx < 0 && dy < 0){ return Math.PI + Math.atan(-1*dy/dx);};\
		6482	if( dx < 0 && dy > 0){ return Math.PI + Math.atan(-1*dy/dx);};\
		6483	if( dx > 0 && dy > 0){ return 2Math.PI + Math.atan(-1dy/dx);};};");
11017	schaersvoo	6484	break;
8448	schaersvoo	6485	case DRAW_EXTERNAL_IMAGE:
10953	bpr	6486	/* the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
8448	schaersvoo	6487	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]);
		6488	*/
7614	schaersvoo	6489	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	6490	var external_ctx = external_canvas.getContext(\"2d\");\
		6491	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		6492	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		6493	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		6494	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		6495	var selected_image = null;\
		6496	var ext_image_cnt = 0;\
		6497	var ext_drag_images = new Array();\
8448	schaersvoo	6498	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,resizable,draggable,click_cnt){\
7653	schaersvoo	6499	ext_image_cnt = idx;\
8448	schaersvoo	6500	if(draggable == 1 ){\
		6501	reply[click_cnt] = 0;\
		6502	};\
7653	schaersvoo	6503	var image = new Image();\
		6504	image.src = URL;\
		6505	image.onload = function(){\
8448	schaersvoo	6506	if( sx < 1 ){ sx = 0; };\
		6507	if( sy < 1 ){ sy = 0; };\
		6508	if( swidth < 1 ){swidth = image.width;};\
		6509	if( sheight < 1 ){sheight = image.height;};\
		6510	if( width < 1 ){width = image.width;};\
		6511	if( height < 1 ){height = image.height;};\
		6512	if( resizable == 0 ){\
		6513	if( swidth > image.width ){ swidth = image.width; };\
		6514	if( sheight > image.height){ sheight = image.height;};\
		6515	if( width > image.width ){ width = image.width; };\
		6516	if( height > image.height){ height = image.height;};\
		6517	};\
		6518	var img = new Array(11);\
7653	schaersvoo	6519	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
8448	schaersvoo	6520	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;img[10] = click_cnt;\
7653	schaersvoo	6521	ext_drag_images[idx] = img;\
		6522	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		6523	};\
		6524	};\
		6525	function dragstop(evt){\
		6526	selected_image = null;return;\
		6527	};\
		6528	function dragxy(evt){\
		6529	if( selected_image != null ){\
		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 s_img = ext_drag_images[selected_image];\
		6533	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		6534	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
8386	schaersvoo	6535	if( use_snap_to_points == 1){\
		6536	var img_xy = snap_to_points(s_img[6],s_img[7]);\
		6537	s_img[6] = img_xy[0];s_img[7] = img_xy[1];\
		6538	}\
		6539	else\
		6540	{\
		6541	if( x_use_snap_to_grid == 1 ){\
		6542	s_img[6] = snap_to_x(s_img[6]);\
		6543	};\
		6544	if( y_use_snap_to_grid == 1 ){\
		6545	s_img[7] = snap_to_x(s_img[7]);\
		6546	};\
		6547	};\
7653	schaersvoo	6548	ext_drag_images[selected_image] = s_img;\
		6549	external_ctx.clearRect(0,0,xsize,ysize);\
		6550	for(var i = 0; i <= ext_image_cnt ; i++){\
		6551	var img = ext_drag_images[i];\
		6552	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		6553	};\
		6554	};\
		6555	};\
		6556	function setxy(evt){\
		6557	if( ! selected_image && evt.which == 1 ){\
		6558	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		6559	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		6560	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		6561	var ym = evt.clientY - external_canvas_rect.top + yoff;\
8448	schaersvoo	6562	var img;\
7653	schaersvoo	6563	for(var p = 0 ; p <= ext_image_cnt ; p++){\
8448	schaersvoo	6564	if( ext_drag_images[p] ){\
		6565	img = ext_drag_images[p];\
		6566	if( img[0] != 0 ){\
		6567	if( xm > img[6] && xm < img[6] + img[8]){\
		6568	if( ym > img[7] && ym < img[7] + img[9]){\
		6569	if( img[0] == 1){\
		6570	if( reply[img[10]] == 1 ){\
		6571	reply[img[10]] = 0;external_ctx.strokeStyle = '#ffffff';\
		6572	}\
		6573	else\
		6574	{\
		6575	reply[img[10]] = 1;external_ctx.strokeStyle = '#00ff00';\
		6576	};\
		6577	external_ctx.lineWidth = 6;\
		6578	external_ctx.beginPath();\
		6579	external_ctx.rect(img[6],img[7],img[8],img[9]);\
		6580	external_ctx.closePath();\
		6581	external_ctx.stroke();\
		6582	return;\
		6583	}\
		6584	else\
		6585	{\
		6586	img[6] = xm;\
		6587	img[7] = ym;\
		6588	ext_drag_images[p] = img;\
		6589	selected_image = p;\
		6590	dragxy(evt);\
		6591	};\
		6592	};\
7653	schaersvoo	6593	};\
		6594	};\
		6595	};\
		6596	};\
		6597	}\
		6598	else\
		6599	{\
		6600	selected_image = null;\
		6601	};\
8448	schaersvoo	6602	};");
7614	schaersvoo	6603	break;
8370	schaersvoo	6604	case DRAW_BEZIER:
		6605	fprintf(js_include_file,"\n<!-- draw bezier curve -->\n\
		6606	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){\
		6607	var obj;\
		6608	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6609	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6610	}\
		6611	else\
		6612	{\
		6613	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6614	};\
		6615	var ctx = obj.getContext(\"2d\");\
		6616	ctx.save();\
		6617	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6618	ctx.lineWidth = linewidth;\
11088	schaersvoo	6619	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8370	schaersvoo	6620	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
		6621	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6622	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6623	ctx.beginPath();\
		6624	ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
		6625	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]));\
		6626	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		6627	ctx.stroke();\
		6628	ctx.restore();\
		6629	};\n",canvas_root_id,canvas_root_id,canvas_root_id);
		6630	break;
7614	schaersvoo	6631	case DRAW_GRIDFILL:/* not used for userdraw */
		6632	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
11820	schaersvoo	6633	if( typeof(click_fill_pattern) == 'undefined'){var click_fill_pattern;};\
8105	schaersvoo	6634	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
11820	schaersvoo	6635	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		6636	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		6637	var fc = %d+canvas_type;\n\
		6638	fill_canvas_no.push(fc);\
		6639	var obj = create_canvas%d(fc,xsize,ysize);\n\
		6640	var ctx = obj.getContext('2d');\n\
7614	schaersvoo	6641	var x,y;\
11820	schaersvoo	6642	ctx.fillStyle='rgba(255,255,255,0.01)';\n\
		6643	ctx.rect(0,0,xsize,ysize);\n\
		6644	ctx.fill();\n\
		6645	ctx.lineWidth = linewidth;\
		6646	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
		6647	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		6648	for( x = 0 ; x < xsize ; x = x + dx ){\
		6649	ctx.beginPath();\
		6650	ctx.moveTo(x,0);\
		6651	ctx.lineTo(x,ysize);\
		6652	ctx.closePath();\
		6653	ctx.stroke();\
7614	schaersvoo	6654	};\
11820	schaersvoo	6655	for( y = 0 ; y < ysize; y = y + dy ){\
		6656	ctx.beginPath();\
		6657	ctx.moveTo(0,y);\
		6658	ctx.lineTo(xsize,y);\
		6659	ctx.closePath();\
		6660	ctx.stroke();\
7614	schaersvoo	6661	};\
11820	schaersvoo	6662	click_fill_pattern = ctx;\n\
		6663	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\n\
		6664	return;};",canvas_root_id,canvas_root_id);
7614	schaersvoo	6665	break;
8224	bpr	6666
7614	schaersvoo	6667	case DRAW_IMAGEFILL:/* not used for userdraw */
		6668	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	6669	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	6670	var obj;\
		6671	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6672	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6673	}\
		6674	else\
		6675	{\
		6676	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6677	};\
		6678	var ctx = obj.getContext(\"2d\");\
		6679	ctx.save();\
		6680	var img = new Image();\
		6681	img.src = URL;\
		6682	img.onload = function(){\
		6683	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		6684	ctx.drawImage(img,x0,y0,xsize,ysize);\
		6685	}\
		6686	else\
		6687	{\
		6688	var repeat = \"repeat\";\
		6689	if(img.width > xsize - x0){\
		6690	repeat = \"repeat-y\";\
		6691	}\
		6692	else\
		6693	{\
		6694	if( img.height > ysize -x0 ){\
		6695	repeat = \"repeat-x\";\
		6696	}\
		6697	}\
		6698	var pattern = ctx.createPattern(img,repeat);\
		6699	ctx.rect(x0,y0,xsize,ysize);\
		6700	ctx.fillStyle = pattern;\
		6701	}\
		6702	ctx.fill();\
		6703	};\
		6704	ctx.restore();\
		6705	return;\
7653	schaersvoo	6706	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6707	break;
8224	bpr	6708
7614	schaersvoo	6709	case DRAW_DOTFILL:/* not used for userdraw */
		6710	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
11820	schaersvoo	6711	if( typeof(click_fill_pattern) == 'undefined'){var click_fill_pattern;};\
11817	schaersvoo	6712	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\n\
11820	schaersvoo	6713	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
11818	schaersvoo	6714	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
11820	schaersvoo	6715	var fc = %d+canvas_type;\
11818	schaersvoo	6716	fill_canvas_no.push(fc);\
11820	schaersvoo	6717	var obj = create_canvas%d(fc,xsize,ysize);\
		6718	var ctx = obj.getContext('2d');\
		6719	var x,y;\
		6720	ctx.fillStyle='rgba(255,255,255,0.01)';\
		6721	ctx.rect(0,0,xsize,ysize);\
		6722	ctx.fill();\
		6723	ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
		6724	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		6725	for( x = 0 ; x < xsize ; x = x + dx ){\
		6726	for( y = 0 ; y < ysize ; y = y + dy ){\
		6727	ctx.beginPath();\
		6728	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		6729	ctx.closePath();\
		6730	ctx.fill();\
		6731	};\
		6732	};\
		6733	click_fill_pattern = ctx;\
		6734	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
11818	schaersvoo	6735	return;};",canvas_root_id,canvas_root_id);
7614	schaersvoo	6736	break;
7645	schaersvoo	6737
7647	schaersvoo	6738	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	6739	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
11820	schaersvoo	6740	if( typeof(click_fill_pattern) == 'undefined'){var click_fill_pattern;};\
		6741	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize){\
		6742	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		6743	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		6744	var fc = %d+canvas_type;\
		6745	fill_canvas_no.push(fc);\
		6746	var obj = create_canvas%d(fc,xsize,ysize);\
		6747	var ctx = obj.getContext('2d');\
7614	schaersvoo	6748	var x;\
		6749	var y;\
		6750	ctx.lineWidth = linewidth;\
11820	schaersvoo	6751	ctx.fillStyle='rgba(255,255,255,0.01)';\
		6752	ctx.rect(0,0,xsize,ysize);\
		6753	ctx.fill();\
11088	schaersvoo	6754	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
11820	schaersvoo	6755	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
7614	schaersvoo	6756	y = ysize;\
11820	schaersvoo	6757	ctx.beginPath();\
		6758	for( x = 0 ; x < xsize ; x = x + dx ){\
		6759	ctx.moveTo(x,0);\
7614	schaersvoo	6760	ctx.lineTo(xsize,y);\
		6761	y = y - dy;\
		6762	};\
11820	schaersvoo	6763	y=0;\
7614	schaersvoo	6764	for( x = xsize ; x > 0 ; x = x - dx){\
		6765	ctx.moveTo(x,ysize);\
11820	schaersvoo	6766	ctx.lineTo(0,y);\
7614	schaersvoo	6767	y = y + dy;\
		6768	};\
11820	schaersvoo	6769	y = 0;\
		6770	for( x = 0 ; x < xsize ; x = x + dx ){\
		6771	ctx.moveTo(x,0);\
		6772	ctx.lineTo(0,y);\
		6773	y = y + dy;\
		6774	};\
		6775	y = 0;\
		6776	for( x = 0 ; x < xsize ; x = x + dx ){\
7614	schaersvoo	6777	ctx.moveTo(xsize,y);\
		6778	ctx.lineTo(x,ysize);\
11820	schaersvoo	6779	y = y + dy;\
7614	schaersvoo	6780	};\
11820	schaersvoo	6781	ctx.closePath();\
7614	schaersvoo	6782	ctx.stroke();\
11820	schaersvoo	6783	click_fill_pattern = ctx;\
		6784	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
7614	schaersvoo	6785	return;\
11820	schaersvoo	6786	}",canvas_root_id,canvas_root_id);
7614	schaersvoo	6787	break;
8224	bpr	6788
7647	schaersvoo	6789	case DRAW_HATCHFILL:/* not used for userdraw */
		6790	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
11820	schaersvoo	6791	if( typeof(click_fill_pattern) == 'undefined'){var click_fill_pattern;};\
		6792	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize){\
		6793	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		6794	if( typeof(fill_canvas_no) != 'object' ){ var fill_canvas_no = []; };\
		6795	var fc = %d+canvas_type;\
		6796	fill_canvas_no.push(fc);\
		6797	var obj = create_canvas%d(fc,xsize,ysize);\
		6798	var ctx = obj.getContext('2d');\
		6799	var x,y;\
		6800	ctx.fillStyle='rgba(255,255,255,0.01)';\
		6801	ctx.rect(0,0,xsize,ysize);\
		6802	ctx.fill();\
		6803	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
7647	schaersvoo	6804	ctx.lineWidth = linewidth;\
11088	schaersvoo	6805	if(linewidth%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7647	schaersvoo	6806	y = ysize;\
11820	schaersvoo	6807	ctx.beginPath();\
		6808	for( x = 0 ; x < xsize ; x = x + dx ){\
		6809	ctx.moveTo(x,0);\
7647	schaersvoo	6810	ctx.lineTo(xsize,y);\
		6811	y = y - dy;\
		6812	};\
11820	schaersvoo	6813	y = 0;\
7647	schaersvoo	6814	for( x = xsize ; x >= dx ; x = x - dx){\
		6815	ctx.moveTo(x,ysize);\
11820	schaersvoo	6816	ctx.lineTo(0,y);\
7647	schaersvoo	6817	y = y + dy;\
		6818	};\
11820	schaersvoo	6819	ctx.closePath();\
7647	schaersvoo	6820	ctx.stroke();\
11820	schaersvoo	6821	click_fill_pattern = ctx;\
		6822	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
7647	schaersvoo	6823	return;\
11820	schaersvoo	6824	};",canvas_root_id,canvas_root_id);
7647	schaersvoo	6825	break;
7614	schaersvoo	6826	case DRAW_CIRCLES:/* used for userdraw */
		6827	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	6828	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	6829	ctx.save();\
8071	schaersvoo	6830	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6831	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6832	ctx.lineWidth = line_width;\
11088	schaersvoo	6833	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6834	for(var p = 0 ; p < x_points.length ; p++ ){\
		6835	ctx.beginPath();\
		6836	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		6837	ctx.closePath();\
		6838	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6839	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		6840	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6841	ctx.stroke();\
		6842	}\
		6843	ctx.restore();\
		6844	return;\
7653	schaersvoo	6845	};");
7614	schaersvoo	6846	break;
7663	schaersvoo	6847	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		6848	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	6849	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	6850	ctx.save();\
8071	schaersvoo	6851	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	6852	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6853	ctx.lineWidth = line_width;\
11088	schaersvoo	6854	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7663	schaersvoo	6855	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6856	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6857	ctx.clearRect(0,0,xsize,ysize);\
		6858	ctx.beginPath();\
		6859	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		6860	ctx.moveTo(x_points[p],y_points[p]);\
		6861	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		6862	}\
		6863	ctx.closePath();\
		6864	ctx.stroke();\
		6865	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6866	for(var p = 0 ; p < x_points.length ; p++ ){\
		6867	ctx.beginPath();\
		6868	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		6869	ctx.closePath();ctx.fill();ctx.stroke();\
		6870	};\
		6871	ctx.restore();\
		6872	return;\
		6873	};");
		6874	break;
8224	bpr	6875
7614	schaersvoo	6876	case DRAW_SEGMENTS:/* used for userdraw */
		6877	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	6878	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	6879	ctx.save();\
8071	schaersvoo	6880	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6881	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6882	ctx.lineWidth = line_width;\
11088	schaersvoo	6883	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6884	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6885	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6886	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6887	ctx.beginPath();\
		6888	ctx.moveTo(x_points[p],y_points[p]);\
		6889	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		6890	ctx.closePath();\
		6891	ctx.stroke();\
		6892	}\
		6893	ctx.restore();\
		6894	return;\
		6895	};");
		6896	break;
8224	bpr	6897
7614	schaersvoo	6898	case DRAW_LINES:/* used for userdraw */
		6899	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		6900	function calc_line(x1,x2,y1,y2){\
		6901	var marge = 2;\
		6902	if(x1 < x2+marge && x1>x2-marge){\
		6903	return [x1,0,x1,ysize];\
		6904	};\
		6905	if(y1 < y2+marge && y1>y2-marge){\
		6906	return [0,y1,xsize,y1];\
		6907	};\
		6908	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		6909	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		6910	return [0,Y1,xsize,Y2];\
		6911	};\
8105	schaersvoo	6912	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	6913	ctx.save();\
		6914	var line = new Array(4);\
8071	schaersvoo	6915	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6916	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6917	ctx.lineWidth = line_width;\
11088	schaersvoo	6918	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6919	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6920	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6921	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6922	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		6923	ctx.beginPath();\
		6924	ctx.moveTo(line[0],line[1]);\
		6925	ctx.lineTo(line[2],line[3]);\
		6926	ctx.closePath();\
		6927	ctx.stroke();\
		6928	}\
		6929	ctx.restore();\
		6930	return;\
		6931	};");
		6932	break;
		6933
8244	schaersvoo	6934	case DRAW_DEMILINES:/* used for userdraw */
		6935	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		6936	function find_inf_point(x1,y1,x2,y2){\
		6937	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		6938	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		6939	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		6940	};\
		6941	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){\
		6942	ctx.save();\
		6943	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		6944	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6945	ctx.lineWidth = line_width;\
11088	schaersvoo	6946	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8244	schaersvoo	6947	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6948	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6949	var pair = new Array(4);\
		6950	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		6951	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		6952	ctx.beginPath();\
		6953	ctx.moveTo(pair[0],pair[1]);\
		6954	ctx.lineTo(pair[2],pair[3]);\
		6955	ctx.closePath();\
		6956	ctx.stroke();\
		6957	}\
		6958	ctx.restore();\
		6959	return;\
		6960	};");
		6961	break;
		6962
7614	schaersvoo	6963	case DRAW_CROSSHAIRS:/* used for userdraw */
		6964	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	6965	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	6966	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6967	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6968	ctx.lineWidth = line_width;\
11088	schaersvoo	6969	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	6970	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6971	var x1,x2,y1,y2;\
		6972	for(var p = 0 ; p < x_points.length ; p++ ){\
		6973	x1 = x_points[p] - crosshair_size;\
		6974	x2 = x_points[p] + crosshair_size;\
		6975	y1 = y_points[p] - crosshair_size;\
		6976	y2 = y_points[p] + crosshair_size;\
		6977	ctx.beginPath();\
		6978	ctx.moveTo(x1,y1);\
		6979	ctx.lineTo(x2,y2);\
		6980	ctx.closePath();\
		6981	ctx.stroke();\
		6982	ctx.beginPath();\
		6983	ctx.moveTo(x2,y1);\
		6984	ctx.lineTo(x1,y2);\
		6985	ctx.closePath();\
		6986	ctx.stroke();\
		6987	}\
		6988	ctx.restore();\
		6989	return;\
7653	schaersvoo	6990	};");
7614	schaersvoo	6991	break;
		6992
		6993	case DRAW_RECTS:/* used for userdraw */
		6994	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	6995	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	6996	ctx.save();\
8071	schaersvoo	6997	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6998	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6999	ctx.lineWidth = line_width;\
11088	schaersvoo	7000	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
8448	schaersvoo	7001	ctx.strokeStyle = 'rgba('+stroke_color+','+stroke_opacity+')';\
7614	schaersvoo	7002	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		7003	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		7004	ctx.beginPath();\
		7005	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		7006	ctx.closePath();\
8448	schaersvoo	7007	if(use_filled == 1 ){ctx.fillStyle = 'rgba('+fill_color+','+fill_opacity+')';ctx.fill();}\
7614	schaersvoo	7008	ctx.stroke();\
		7009	};\
		7010	ctx.restore();\
		7011	return;\
7653	schaersvoo	7012	};");
7614	schaersvoo	7013	break;
		7014
		7015	case DRAW_ROUNDRECTS:/* used for userdraw */
		7016	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	7017	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	7018	ctx.save();\
8071	schaersvoo	7019	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7020	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7021	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
9462	schaersvoo	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	var x,y,w,h,r;\
		7025	for(var p = 0; p < x_points.length; p = p+2){\
		7026	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);\
		7027	ctx.beginPath();ctx.moveTo(x + r, y);\
		7028	ctx.lineTo(x + w - r, y);\
		7029	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		7030	ctx.lineTo(x + w, y + h - r);\
		7031	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		7032	ctx.lineTo(x + r, y + h);\
		7033	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		7034	ctx.lineTo(x, y + r);\
		7035	ctx.quadraticCurveTo(x, y, x + r, y);\
		7036	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		7037	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7038	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		7039	ctx.stroke();\
		7040	}\
		7041	ctx.restore();\
7653	schaersvoo	7042	};");
8224	bpr	7043	break;
7614	schaersvoo	7044
		7045	case DRAW_ELLIPSES:/* not used for userdraw */
		7046	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	7047	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	7048	var obj;\
		7049	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7050	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7051	}\
		7052	else\
		7053	{\
		7054	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7055	};\
		7056	var ctx = obj.getContext(\"2d\");\
		7057	ctx.save();\
8071	schaersvoo	7058	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7059	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7060	var cx,cy,ry,rx;\
		7061	ctx.lineWidth = line_width;\
11088	schaersvoo	7062	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7063	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		7064	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7065	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7066	for(var p=0;p< x_points.length;p = p+2){\
		7067	ctx.beginPath();\
		7068	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		7069	ctx.translate(cx - rx, cy - ry);\
		7070	ctx.scale(rx, ry);\
		7071	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		7072	if( use_filled == 1 ){ctx.fill();}\
		7073	ctx.stroke();\
		7074	};\
		7075	ctx.restore();\
7653	schaersvoo	7076	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	7077	break;
		7078
		7079	case DRAW_PATHS: /* used for userdraw */
		7080	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	7081	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	7082	ctx.save();\
8071	schaersvoo	7083	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7084	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7085	ctx.lineWidth = line_width;\
11088	schaersvoo	7086	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7087	ctx.lineJoin = \"round\";\
		7088	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7089	ctx.beginPath();\
		7090	ctx.moveTo(x_points[0],y_points[0]);\
		7091	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		7092	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		7093	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7094	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		7095	ctx.stroke();\
		7096	ctx.restore();\
		7097	return;\
		7098	};");
8224	bpr	7099
7614	schaersvoo	7100	break;
		7101	case DRAW_ARROWS:/* used for userdraw */
		7102	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	7103	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	7104	ctx.save();\
8071	schaersvoo	7105	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	7106	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		7107	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7108	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7109	ctx.lineWidth = line_width;\
11088	schaersvoo	7110	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7111	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7112	ctx.lineCap = \"round\";\
		7113	var x1,y1,x2,y2,dx,dy,len;\
		7114	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	7115	ctx.save();\
7614	schaersvoo	7116	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		7117	len = Math.sqrt(dxdx+dydy);\
		7118	ctx.translate(x2,y2);\
		7119	ctx.rotate(Math.atan2(dy,dx));\
		7120	ctx.lineCap = \"round\";\
		7121	ctx.beginPath();\
		7122	ctx.moveTo(0,0);\
		7123	ctx.lineTo(-len,0);\
		7124	ctx.closePath();\
		7125	ctx.stroke();\
		7126	ctx.beginPath();\
		7127	ctx.moveTo(0,0);\
		7128	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		7129	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		7130	ctx.closePath();\
		7131	ctx.fill();\
7874	schaersvoo	7132	ctx.restore();\
7614	schaersvoo	7133	if( type == 2 ){\
		7134	ctx.save();\
		7135	ctx.translate(x1,y1);\
		7136	ctx.rotate(Math.atan2(-dy,-dx));\
		7137	ctx.beginPath();\
		7138	ctx.moveTo(0,0);\
8347	schaersvoo	7139	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		7140	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	7141	ctx.closePath();\
		7142	ctx.stroke();\
		7143	ctx.fill();\
7874	schaersvoo	7144	ctx.restore();\
8379	schaersvoo	7145	};\
		7146	};\
7614	schaersvoo	7147	ctx.restore();\
		7148	return;\
7653	schaersvoo	7149	};");
7614	schaersvoo	7150	break;
		7151
		7152	case DRAW_VIDEO:/* not used for userdraw */
		7153	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	7154	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	7155	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7156	var video_div = document.createElement(\"div\");\
		7157	canvas_div.appendChild(video_div);\
		7158	video_div.style.position = \"absolute\";\
		7159	video_div.style.left = x+\"px\";\
		7160	video_div.style.top = y+\"px\";\
		7161	video_div.style.width = w+\"px\";\
		7162	video_div.style.height = h+\"px\";\
		7163	var video = document.createElement(\"video\");\
		7164	video_div.appendChild(video);\
		7165	video.style.width = w+\"px\";\
		7166	video.style.height = h+\"px\";\
		7167	video.autobuffer = true;\
		7168	video.controls = true;video.autoplay = false;\
		7169	var src = document.createElement(\"source\");\
		7170	src.type = \"video/mp4\";\
		7171	src.src = URL;\
		7172	video.appendChild(src);\
		7173	video.load();\
		7174	return;\
8224	bpr	7175	};");
7614	schaersvoo	7176	break;
8224	bpr	7177
7614	schaersvoo	7178	case DRAW_AUDIO:/* not used for userdraw */
		7179	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	7180	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	7181	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7182	var audio_div = document.createElement(\"div\");\
		7183	canvas_div.appendChild(audio_div);\
		7184	audio_div.style.position = \"absolute\";\
		7185	audio_div.style.left = x+\"px\";\
		7186	audio_div.style.top = y+\"px\";\
		7187	audio_div.style.width = w+\"px\";\
		7188	audio_div.style.height = h+\"px\";\
		7189	var audio = document.createElement(\"audio\");\
		7190	audio_div.appendChild(audio);\
		7191	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		7192	audio.autobuffer = true;\
8379	schaersvoo	7193	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
		7194	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
7614	schaersvoo	7195	var src1 = document.createElement(\"source\");\
		7196	src1.type = \"audio/ogg\";\
		7197	src1.src = URL1;\
		7198	audio.appendChild(src1);\
		7199	var src2 = document.createElement(\"source\");\
		7200	src2.type = \"audio/mpeg\";\
		7201	src2.src = URL2;\
		7202	audio.appendChild(src2);\
		7203	audio.load();\
		7204	return;\
7653	schaersvoo	7205	};");
7614	schaersvoo	7206	break;
8224	bpr	7207
7614	schaersvoo	7208	case DRAW_HTTP:/* not used for userdraw */
		7209	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	7210	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	7211	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7212	var http_div = document.createElement(\"div\");\
		7213	var iframe = document.createElement(\"iframe\");\
		7214	canvas_div.appendChild(http_div);\
		7215	http_div.appendChild(iframe);\
		7216	iframe.src = URL;\
		7217	iframe.setAttribute(\"width\",w);\
		7218	iframe.setAttribute(\"height\",h);\
		7219	return;\
7653	schaersvoo	7220	};");
7614	schaersvoo	7221	break;
8224	bpr	7222
11238	schaersvoo	7223	case DRAW_XML: /*
		7224	onclick=1 : click
		7225	onclick=2 drag
		7226	xy:drag_type = 0;
		7227	x: drag_type = 1;
		7228	y: drag_type = 2;
		7229	*/
		7230
7614	schaersvoo	7231	fprintf(js_include_file,"\n<!-- draw xml -->\n\
11756	schaersvoo	7232	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	7233	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		7234	var xml_div = document.createElement(\"div\");\
		7235	canvas_div.appendChild(xml_div);\
		7236	xml_div.innerHTML = mathml;\
8379	schaersvoo	7237	xml_div.style.color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11745	schaersvoo	7238	var color_org = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
11756	schaersvoo	7239	var back_color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7240	var no_color = \"rgba(255,255,255,0)\";\
		7241	xml_div.style.position = \"absolute\"; xml_div.style.left = x+\"px\";xml_div.style.top = y+\"px\";\
11745	schaersvoo	7242	var dragging = false;\
11747	schaersvoo	7243	if( onclick == 2 ){reply[click_cnt] = px2x(x)+','+px2y(y);};\
		7244	if( onclick == 1 ){reply[click_cnt] = 0;};\
		7245	if( onclick == 2 ){\
		7246	xml_div.onclick = function(){\
11756	schaersvoo	7247	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	7248	canvas_div.onmousemove = function(evt){\
		7249	if(!dragging){return;};\
		7250	var x1;var y1;\
		7251	var mouse = dragstuff.getMouse(evt,xml_div);\
		7252	switch(drag_type){\
		7253	case 0: x1 = mouse.x;y1 = mouse.y;break;\
		7254	case 1: x1 = mouse.x;y1 = y;break;\
		7255	case 2: x1 = x;y1 = mouse.y;break;\
		7256	default:x1 = x;y1 = y; break;\
		7257	};\
		7258	if( x_use_snap_to_grid == 1 ){ x1 = snap_to_x(x1);};\
		7259	if( y_use_snap_to_grid == 1 ){ y1 = snap_to_y(y1);};\
		7260	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];};\
		7261	xml_div.style.left = x1 + 'px';xml_div.style.top = y1 + 'px';\
		7262	reply[click_cnt] = px2x(x1)+','+px2y(y1);\
11238	schaersvoo	7263	};\
7614	schaersvoo	7264	};\
11238	schaersvoo	7265	};\
		7266	if(onclick == 1){\
11747	schaersvoo	7267	xml_div.onclick = function(){\
11756	schaersvoo	7268	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	7269	};\
		7270	return;\
11745	schaersvoo	7271	};");
7614	schaersvoo	7272	break;
7654	schaersvoo	7273	case DRAW_SGRAPH:
8224	bpr	7274	/*
7654	schaersvoo	7275	xstart = given
		7276	ystart = given
		7277	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		7278	*/
		7279	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	7280	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	7281	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);};\
		7282	var ctx = obj.getContext(\"2d\");\
		7283	ctx.font = fontfamily;\
		7284	var minor_opacity = 0.8*opacity;\
		7285	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	7286	var zero_x = 0.1*xsize;\
		7287	var zero_y = 0.9*ysize;\
8129	schaersvoo	7288	var snor_x;var snor_y;\
7654	schaersvoo	7289	if( xstart != xmin){\
7658	schaersvoo	7290	snor_x = 0.1*xsize;\
		7291	}\
		7292	else\
		7293	{\
		7294	snor_x = 0;\
		7295	xstart = xmin;\
		7296	};\
		7297	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7298	ctx.lineWidth = 2;\
		7299	ctx.beginPath();\
		7300	ctx.moveTo(xsize,zero_y);\
		7301	ctx.lineTo(zero_x,zero_y);\
		7302	ctx.lineTo(zero_x,0);\
		7303	ctx.stroke();\
		7304	ctx.closePath();\
		7305	ctx.beginPath();\
		7306	ctx.moveTo(zero_x,zero_y);\
		7307	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		7308	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		7309	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		7310	ctx.lineTo(zero_x + snor_x,zero_y);\
		7311	ctx.stroke();\
		7312	ctx.closePath();\
		7313	ctx.beginPath();\
		7314	var num = xstart;\
7660	schaersvoo	7315	var flipflop = 1;\
7658	schaersvoo	7316	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	7317	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	7318	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	7319	txtsize = ctx.measureText(num).width;\
		7320	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		7321	if( flipflop == 1){\
		7322	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		7323	}\
		7324	else\
		7325	{\
		7326	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
8379	schaersvoo	7327	};\
7976	schaersvoo	7328	num = num + xmajor;\
7658	schaersvoo	7329	};\
		7330	ctx.stroke();\
		7331	ctx.closePath();\
		7332	ctx.lineWidth = 1;\
		7333	ctx.beginPath();\
		7334	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		7335	ctx.moveTo(x,zero_y);\
		7336	ctx.lineTo(x,0);\
		7337	};\
		7338	ctx.stroke();\
		7339	ctx.closePath();\
		7340	if( xminor > 1){\
		7341	ctx.lineWidth = 0.5;\
		7342	ctx.beginPath();\
		7343	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		7344	var minor_step_x = step_x / xminor;\
		7345	var nx;\
		7346	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		7347	num = 1;\
		7348	for(var p = 1 ; p < xminor ; p++){\
		7349	nx = x + num*minor_step_x;\
		7350	ctx.moveTo(nx,zero_y);\
		7351	ctx.lineTo(nx,0);\
		7352	num++;\
		7353	};\
		7354	};\
		7355	ctx.stroke();\
		7356	ctx.closePath();\
		7357	ctx.beginPath();\
		7358	ctx.lineWidth = 2;\
		7359	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7360	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		7361	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		7362	};\
		7363	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		7364	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		7365	};\
		7366	ctx.stroke();\
		7367	ctx.closePath();\
		7368	ctx.lineWidth = 0.5;\
		7369	};\
		7370	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		7371	if( ystart != ymin){\
		7372	snor_y = 0.1*ysize;\
		7373	}\
		7374	else\
		7375	{\
		7376	snor_y = 0;\
		7377	ystart = ymin;\
		7378	};\
		7379	ctx.lineWidth = 2;\
		7380	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7381	ctx.beginPath();\
		7382	ctx.moveTo(zero_x,zero_y);\
		7383	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		7384	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		7385	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		7386	ctx.lineTo(zero_x,zero_y - snor_y);\
		7387	ctx.stroke();\
		7388	ctx.closePath();\
		7389	ctx.beginPath();\
		7390	ctx.lineWidth = 1;\
		7391	num = ystart;\
		7392	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		7393	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		7394	ctx.moveTo(zero_x,y);\
		7395	ctx.lineTo(xsize,y);\
		7396	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		7397	num = num + ymajor;\
		7398	};\
		7399	ctx.stroke();\
		7400	ctx.closePath();\
		7401	if( yminor > 1){\
		7402	ctx.lineWidth = 0.5;\
		7403	ctx.beginPath();\
		7404	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		7405	var minor_step_y = step_y / yminor;\
		7406	var ny;\
		7407	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		7408	num = 1;\
		7409	for(var p = 1 ;p < yminor;p++){\
		7410	ny = y + num*minor_step_y;\
		7411	ctx.moveTo(zero_x,ny);\
		7412	ctx.lineTo(xsize,ny);\
		7413	num++;\
		7414	};\
		7415	};\
		7416	ctx.stroke();\
		7417	ctx.closePath();\
		7418	ctx.lineWidth = 2;\
		7419	ctx.beginPath();\
		7420	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		7421	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		7422	ctx.moveTo(zero_x,y);\
		7423	ctx.lineTo(zero_x+12,y);\
		7424	};\
		7425	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		7426	ctx.moveTo(zero_x,y);\
		7427	ctx.lineTo(zero_x+6,y);\
		7428	};\
		7429	ctx.stroke();\
		7430	ctx.closePath();\
		7431	};\
		7432	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
11088	schaersvoo	7433	if( typeof(legend%d) !== 'undefined' ){\
7654	schaersvoo	7434	ctx.globalAlpha = 1.0;\
		7435	var y_offset = 2*font_size;\
		7436	var txt;var txt_size;\
		7437	var x_offset = xsize - 2*font_size;\
		7438	var l_length = legend%d.length;var barcolor = new Array();\
11088	schaersvoo	7439	if( typeof(legendcolors%d) !== 'undefined' ){\
7654	schaersvoo	7440	for(var p = 0 ; p < l_length ; p++){\
		7441	barcolor[p] = legendcolors%d[p];\
		7442	};\
		7443	}else{\
		7444	if( barcolor.length == 0 ){\
		7445	for(var p = 0 ; p < l_length ; p++){\
		7446	barcolor[p] = stroke_color;\
		7447	};\
		7448	};\
		7449	};\
		7450	for(var p = 0; p < l_length; p++){\
		7451	ctx.fillStyle = barcolor[p];\
		7452	txt = legend%d[p];\
		7453	txt_size = ctx.measureText(txt).width;\
		7454	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		7455	y_offset = parseInt(y_offset + 1.5*font_size);\
		7456	};\
		7457	};\
11088	schaersvoo	7458	if( typeof(xaxislabel) !== 'undefined' ){\
7658	schaersvoo	7459	ctx.fillStyle = \'#000000\';\
		7460	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		7461	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		7462	};\
11088	schaersvoo	7463	if( typeof(yaxislabel) !== 'undefined'){\
7658	schaersvoo	7464	ctx.save();\
		7465	ctx.fillStyle = \'#000000\';\
		7466	var txt_size = ctx.measureText(yaxislabel).width;\
		7467	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		7468	ctx.rotate(-0.5*Math.PI);\
		7469	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	7470	ctx.restore();\
7658	schaersvoo	7471	};\
7654	schaersvoo	7472	};\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);
		7473	break;
7614	schaersvoo	7474
		7475	case DRAW_GRID:/* not used for userdraw */
		7476	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	7477	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	7478	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);};\
		7479	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	7480	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		7481	ctx.save();\
8071	schaersvoo	7482	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	7483	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		7484	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7485	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		7486	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		7487	ctx.font = font_family;\
7988	schaersvoo	7488	var barcolor = new Array();\
7614	schaersvoo	7489	var xstep = xsize*xmajor/(xmax - xmin);\
		7490	var ystep = ysize*ymajor/(ymax - ymin);\
		7491	var x2step = xstep / xminor;\
		7492	var y2step = ystep / yminor;\
7996	schaersvoo	7493	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		7494	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		7495	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
11088	schaersvoo	7496	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	7497	ctx.beginPath();\
		7498	ctx.lineWidth = line_width;\
		7499	ctx.strokeStyle = stroke_color;\
		7500	for(var p = zero_x ; p < xsize; p = p + xstep){\
		7501	ctx.moveTo(p,0);\
		7502	ctx.lineTo(p,ysize);\
		7503	};\
		7504	for(var p = zero_x ; p > 0; p = p - xstep){\
		7505	ctx.moveTo(p,0);\
		7506	ctx.lineTo(p,ysize);\
		7507	};\
		7508	for(var p = zero_y ; p < ysize; p = p + ystep){\
		7509	ctx.moveTo(0,p);\
		7510	ctx.lineTo(xsize,p);\
		7511	};\
		7512	for(var p = zero_y ; p > 0; p = p - ystep){\
		7513	ctx.moveTo(0,p);\
		7514	ctx.lineTo(xsize,p);\
		7515	};\
11088	schaersvoo	7516	if( typeof(xaxislabel) !== 'undefined' ){\
7614	schaersvoo	7517	ctx.save();\
		7518	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		7519	var corr = ctx.measureText(xaxislabel).width;\
		7520	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		7521	ctx.restore();\
		7522	};\
11088	schaersvoo	7523	if( typeof(yaxislabel) !== 'undefined' ){\
7614	schaersvoo	7524	ctx.save();\
		7525	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	7526	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	7527	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		7528	ctx.rotate(-0.5*Math.PI);\
		7529	ctx.fillText(yaxislabel,0,0);\
		7530	ctx.restore();\
		7531	};\
		7532	ctx.stroke();\
		7533	ctx.closePath();\
		7534	if( use_axis == 1 ){\
7988	schaersvoo	7535	ctx.save();\
7614	schaersvoo	7536	ctx.beginPath();\
		7537	ctx.strokeStyle = stroke_color;\
		7538	ctx.lineWidth = 0.6*line_width;\
		7539	for(var p = zero_x ; p < xsize; p = p + x2step){\
		7540	ctx.moveTo(p,0);\
		7541	ctx.lineTo(p,ysize);\
		7542	};\
		7543	for(var p = zero_x ; p > 0; p = p - x2step){\
		7544	ctx.moveTo(p,0);\
		7545	ctx.lineTo(p,ysize);\
		7546	};\
		7547	for(var p = zero_y ; p < ysize; p = p + y2step){\
		7548	ctx.moveTo(0,p);\
		7549	ctx.lineTo(xsize,p);\
		7550	};\
		7551	for(var p = zero_y ; p > 0; p = p - y2step){\
		7552	ctx.moveTo(0,p);\
		7553	ctx.lineTo(xsize,p);\
		7554	};\
		7555	ctx.stroke();\
		7556	ctx.closePath();\
		7557	ctx.beginPath();\
		7558	ctx.lineWidth = 2*line_width;\
		7559	ctx.strokeStyle = axis_color;\
		7560	ctx.moveTo(0,zero_y);\
		7561	ctx.lineTo(xsize,zero_y);\
		7562	ctx.moveTo(zero_x,0);\
		7563	ctx.lineTo(zero_x,ysize);\
		7564	ctx.stroke();\
		7565	ctx.closePath();\
		7566	ctx.lineWidth = line_width+0.5;\
		7567	ctx.beginPath();\
		7568	for(var p = zero_x ; p < xsize; p = p + xstep){\
		7569	ctx.moveTo(p,zero_y-tics_length);\
		7570	ctx.lineTo(p,zero_y+tics_length);\
		7571	};\
		7572	for(var p = zero_x ; p > 0; p = p - xstep){\
		7573	ctx.moveTo(p,zero_y-tics_length);\
		7574	ctx.lineTo(p,zero_y+tics_length);\
		7575	};\
		7576	for(var p = zero_y ; p < ysize; p = p + ystep){\
		7577	ctx.moveTo(zero_x-tics_length,p);\
		7578	ctx.lineTo(zero_x+tics_length,p);\
		7579	};\
		7580	for(var p = zero_y ; p > 0; p = p - ystep){\
		7581	ctx.moveTo(zero_x-tics_length,p);\
		7582	ctx.lineTo(zero_x+tics_length,p);\
		7583	};\
		7584	for(var p = zero_x ; p < xsize; p = p + x2step){\
		7585	ctx.moveTo(p,zero_y-0.5*tics_length);\
		7586	ctx.lineTo(p,zero_y+0.5*tics_length);\
		7587	};\
		7588	for(var p = zero_x ; p > 0; p = p - x2step){\
		7589	ctx.moveTo(p,zero_y-0.5*tics_length);\
		7590	ctx.lineTo(p,zero_y+0.5*tics_length);\
		7591	};\
		7592	for(var p = zero_y ; p < ysize; p = p + y2step){\
		7593	ctx.moveTo(zero_x-0.5*tics_length,p);\
		7594	ctx.lineTo(zero_x+0.5*tics_length,p);\
		7595	};\
		7596	for(var p = zero_y ; p > 0; p = p - y2step){\
		7597	ctx.moveTo(zero_x-0.5*tics_length,p);\
		7598	ctx.lineTo(zero_x+0.5*tics_length,p);\
		7599	};\
		7600	ctx.stroke();\
		7601	ctx.closePath();\
7988	schaersvoo	7602	ctx.restore();\
		7603	};\
		7604	if( use_axis_numbering == 1 ){\
		7605	ctx.save();\
		7606	ctx.fillColor = axis_color;\
8110	schaersvoo	7607	ctx.strokeStyle = axis_color;\
		7608	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	7609	ctx.font = font_family;\
		7610	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		7611	if( x_strings != null ){\
		7612	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	7613	ctx.beginPath();\
9341	schaersvoo	7614	if( x_strings_up == null){\
		7615	for(var p = 0 ; p < len ; p = p+2){\
		7616	var x_nums = x2px(eval(x_strings[p]));\
		7617	var x_text = x_strings[p+1];\
		7618	corr = ctx.measureText(x_text).width;\
		7619	skip = 1.2*corr/xstep;\
		7620	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		7621	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		7622	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		7623	ctx.moveTo(x_nums,zero_y - tics_length);\
		7624	ctx.lineTo(x_nums,zero_y + tics_length);\
		7625	};\
		7626	}\
		7627	else\
		7628	{\
		7629	for(var p = 0 ; p < len ; p = p+2){\
		7630	var x_nums = x2px(eval(x_strings[p]));\
		7631	var x_text = x_strings[p+1];\
		7632	corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
		7633	if( corr > ysize ){corr = ysize;};\
		7634	ctx.save();\
9346	schaersvoo	7635	ctx.translate(x_nums+0.25*font_size, corr);\
9341	schaersvoo	7636	ctx.rotate(-1.5708);\
		7637	ctx.fillText(x_text,0,0);\
		7638	ctx.restore();\
		7639	ctx.moveTo(x_nums,zero_y - tics_length);\
		7640	ctx.lineTo(x_nums,zero_y + tics_length);\
		7641	};\
7988	schaersvoo	7642	};\
8110	schaersvoo	7643	ctx.closePath();\
7988	schaersvoo	7644	}\
		7645	else\
		7646	{\
		7647	skip = 1;cnt = px2x(zero_x);\
		7648	prec = Math.log(precision)/(Math.log(10));\
		7649	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		7650	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		7651	if(skip == 0 ){\
7990	schaersvoo	7652	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7653	corr = ctx.measureText(disp_cnt).width;\
		7654	skip = parseInt(1.2*corr/xstep);\
		7655	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	7656	}\
7988	schaersvoo	7657	else\
		7658	{\
		7659	skip--;\
7614	schaersvoo	7660	};\
7988	schaersvoo	7661	cnt = cnt + xmajor;\
7614	schaersvoo	7662	};\
7988	schaersvoo	7663	cnt = px2x(zero_x);skip = 1;\
		7664	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		7665	if(skip == 0 ){\
7990	schaersvoo	7666	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7667	corr = ctx.measureText(disp_cnt).width;\
		7668	skip = parseInt(1.2*corr/xstep);\
		7669	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		7670	}\
		7671	else\
		7672	{\
		7673	skip--;\
7614	schaersvoo	7674	};\
7988	schaersvoo	7675	cnt = cnt - xmajor;\
7614	schaersvoo	7676	};\
		7677	};\
7988	schaersvoo	7678	if( y_strings != null ){\
		7679	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	7680	ctx.beginPath();\
7988	schaersvoo	7681	for(var p = 0 ; p < len ; p = p+2){\
		7682	var y_nums = y2px(eval(y_strings[p]));\
		7683	var y_text = y_strings[p+1];\
		7684	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		7685	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	7686	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		7687	ctx.moveTo(zero_x - tics_length,y_nums);\
		7688	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	7689	};\
8110	schaersvoo	7690	ctx.closePath();\
7988	schaersvoo	7691	}\
		7692	else\
		7693	{\
7991	schaersvoo	7694	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	7695	cnt = px2y(zero_y);skip = 1;\
		7696	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		7697	if(skip == 0 ){\
		7698	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	7699	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7700	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		7701	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		7702	}\
		7703	else\
		7704	{\
		7705	skip--;\
		7706	};\
		7707	cnt = cnt - ymajor;\
7614	schaersvoo	7708	};\
7988	schaersvoo	7709	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	7710	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	7711	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		7712	if(skip == 0 ){\
		7713	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	7714	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	7715	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		7716	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		7717	}\
		7718	else\
		7719	{\
		7720	skip--;\
		7721	};\
		7722	cnt = cnt + ymajor;\
7614	schaersvoo	7723	};\
		7724	};\
7988	schaersvoo	7725	ctx.stroke();\
7614	schaersvoo	7726	ctx.restore();\
		7727	};\
11088	schaersvoo	7728	if( typeof(legend0) !== 'undefined' ){\
7988	schaersvoo	7729	ctx.save();\
7614	schaersvoo	7730	ctx.globalAlpha = 1.0;\
		7731	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		7732	var y_offset = 2*font_size;\
		7733	var txt;var txt_size;\
		7734	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	7735	var l_length = legend0.length;\
11088	schaersvoo	7736	if( typeof(legendcolors0) !== 'undefined' ){\
7614	schaersvoo	7737	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	7738	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	7739	};\
7988	schaersvoo	7740	}\
		7741	else\
		7742	{\
7614	schaersvoo	7743	if( barcolor.length == 0 ){\
		7744	for(var p = 0 ; p < l_length ; p++){\
		7745	barcolor[p] = stroke_color;\
		7746	};\
		7747	};\
		7748	};\
		7749	for(var p = 0; p < l_length; p++){\
		7750	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	7751	txt = legend0[p];\
7614	schaersvoo	7752	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	7753	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	7754	y_offset = parseInt(y_offset + 1.5*font_size);\
		7755	};\
7988	schaersvoo	7756	ctx.restore();\
7614	schaersvoo	7757	};\
11088	schaersvoo	7758	if( typeof(barchart_0) !== 'undefined' ){\
7991	schaersvoo	7759	ctx.save();\
		7760	var num_barcharts = 0;\
		7761	var bar_name = eval('barchart_0');\
11088	schaersvoo	7762	while( typeof(bar_name) !== 'undefined' ){\
7991	schaersvoo	7763	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		7764	};\
9346	schaersvoo	7765	var bar_width = parseInt(0.8*x2step/(num_barcharts));\
7991	schaersvoo	7766	for(var i=0 ; i< num_barcharts ; i++){\
		7767	bar_name = eval('barchart_'+i);\
		7768	var bar_x = new Array();\
		7769	var bar_y = new Array();\
		7770	var lb = bar_name.length;\
		7771	var idx = 0;\
		7772	var dx = parseInt(0.5ibar_width);\
		7773	for( var p = 0 ; p < lb ; p = p + 3 ){\
		7774	bar_x[idx] = x2px(bar_name[p]);\
		7775	bar_y[idx] = y2px(bar_name[p+1]);\
		7776	barcolor[idx] = bar_name[p+2];\
		7777	idx++;\
		7778	};\
		7779	ctx.globalAlpha = fill_opacity;\
		7780	for( var p = 0; p < idx ; p++ ){\
11739	schaersvoo	7781	ctx.beginPath();\
7991	schaersvoo	7782	ctx.strokeStyle = barcolor[p];\
		7783	ctx.fillStyle = barcolor[p];\
9346	schaersvoo	7784	ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
11739	schaersvoo	7785	ctx.fill();\
		7786	ctx.stroke();\
		7787	ctx.closePath();\
7991	schaersvoo	7788	};\
		7789	};\
		7790	ctx.restore();\
		7791	};\
11088	schaersvoo	7792	if( typeof(linegraph_0) !== 'undefined' ){\
7996	schaersvoo	7793	ctx.save();\
		7794	ctx.globalAlpha = 1.0;\
		7795	var i = 0;\
		7796	var line_name = eval('linegraph_'+i);\
11088	schaersvoo	7797	while ( typeof(line_name) !== 'undefined' ){\
7996	schaersvoo	7798	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		7799	ctx.lineWidth = parseInt(line_name[1]);\
		7800	if(line_name[2] == \"1\"){\
		7801	var d1 = parseInt(line_name[3]);\
		7802	var d2 = parseInt(line_name[4]);\
		7803	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		7804	}\
		7805	else\
		7806	{\
		7807	if(ctx.setLineDash){ctx.setLineDash = null;}\
		7808	if(ctx.mozDash){ctx.mozDash = null;}\
		7809	};\
		7810	var data_x = new Array();\
		7811	var data_y = new Array();\
		7812	var lb = line_name.length;\
		7813	var idx = 0;\
		7814	for( var p = 5 ; p < lb ; p = p + 2 ){\
		7815	data_x[idx] = x2px(line_name[p]);\
		7816	data_y[idx] = y2px(line_name[p+1]);\
		7817	idx++;\
		7818	};\
		7819	for( var p = 0; p < idx ; p++){\
		7820	ctx.beginPath();\
		7821	ctx.moveTo(data_x[p],data_y[p]);\
		7822	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		7823	ctx.stroke();\
		7824	ctx.closePath();\
		7825	};\
		7826	i++;\
		7827	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		7828	};\
		7829	ctx.restore();\
		7830	};\
7614	schaersvoo	7831	return;\
7989	schaersvoo	7832	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	7833	break;
8224	bpr	7834
7614	schaersvoo	7835	case DRAW_PIECHART:
7987	schaersvoo	7836	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	7837	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	7838	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7839	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7840	}\
		7841	else\
		7842	{\
		7843	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7844	};\
		7845	var ld = data_color_list.length;\
		7846	var sum = 0;\
		7847	var idx = 0;\
7956	schaersvoo	7848	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	7849	var colors = new Array();\
		7850	var data = new Array();\
		7851	for(var p = 0;p < ld; p = p + 2){\
		7852	data[idx] = parseFloat(data_color_list[p]);\
		7853	sum = sum + data[idx];\
		7854	colors[idx] = data_color_list[p+1];\
		7855	idx++;\
		7856	};\
		7857	var ctx = obj.getContext(\"2d\");\
		7858	ctx.save();\
		7859	var angle;\
		7860	var angle_end = 0;\
		7861	var offset = Math.PI / 2;\
		7862	ctx.globalAlpha = fill_opacity;\
		7863	for(var p=0; p < idx; p++){\
		7864	ctx.beginPath();\
		7865	ctx.fillStyle = colors[p];\
		7866	ctx.moveTo(x_center,y_center);\
		7867	angle = Math.PI * (2 * data[p] / sum);\
		7868	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		7869	ctx.lineTo(x_center, y_center);\
		7870	ctx.fill();\
		7871	ctx.closePath();\
		7872	angle_end = angle_end + angle;\
		7873	};\
11088	schaersvoo	7874	if(typeof(legend0) !== 'undefined'){\
7956	schaersvoo	7875	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	7876	ctx.globalAlpha = 1.0;\
7956	schaersvoo	7877	ctx.font = font_family;\
7614	schaersvoo	7878	var y_offset = font_size; \
		7879	var x_offset = 0;\
		7880	var txt;var txt_size;\
		7881	for(var p = 0; p < idx; p++){\
		7882	ctx.fillStyle = colors[p];\
7956	schaersvoo	7883	txt = legenda[p];\
7614	schaersvoo	7884	txt_size = ctx.measureText(txt).width;\
		7885	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	7886	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	7887	y_offset = parseInt(y_offset + 1.5*font_size);\
		7888	};\
		7889	};\
		7890	ctx.restore();\
7956	schaersvoo	7891	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	7892
7614	schaersvoo	7893	break;
9433	schaersvoo	7894	case DRAW_JSBOXPLOT:
		7895	fprintf(js_include_file,"\n<!-- draw jsboxplots -->\n\
		7896	function statistics(data){\
		7897	var len = data.length;\
		7898	var min = 10000000;\
		7899	var max = -10000000;\
		7900	var sum = 0;var d;\
		7901	for(var i=0;i<len;i++){\
		7902	d = data[i];\
		7903	if(d < min){min = d;}else{if(d > max){max = d;};};\
		7904	sum+= parseFloat(data[i]);\
		7905	};\
		7906	var mean = parseFloat(sum/len);\
		7907	var variance = 0;\
		7908	for(var i=0;i<len;i++){\
		7909	d = data[i];\
		7910	variance += (d - mean)*(d - mean);\
		7911	};\
		7912	variance = parseFloat(variance / len);\
		7913	var std = Math.sqrt(variance);\
		7914	data.sort(function(a,b){return a - b;});\
		7915	var median;var Q1;var Q3;\
		7916	var half = Math.floor(0.5*len);\
		7917	var q1 = Math.floor(0.25*len);\
		7918	var q3 = Math.floor(0.75*len);\
		7919	var half = Math.floor(0.5*len);\
		7920	if(len %%2 == 1){\
		7921	median = data[half];\
		7922	Q1 = data[q1];\
		7923	Q3 = data[q3];\
		7924	}\
		7925	else\
		7926	{\
		7927	median = (data[half - 1] + data[half] )/2;\
		7928	Q1 = (data[q1 - 1] + data[q1] )/2;\
		7929	Q3 = (data[q3 - 1] + data[q3] )/2;\
		7930	};\
		7931	return [min,Q1,median,Q3,max];\
		7932	};");
		7933	break;
		7934	case DRAW_BOXPLOT:
		7935	fprintf(js_include_file,"\n<!-- draw boxplots -->\n\
9465	schaersvoo	7936	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	7937	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		7938	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		7939	}\
		7940	else\
		7941	{\
		7942	obj = create_canvas%d(canvas_type,xsize,ysize);\
		7943	};\
		7944	var ctx = obj.getContext(\"2d\");\
		7945	ctx.clearRect(0,0,xsize,ysize);\
		7946	ctx.save();\
		7947	ctx.lineWidth = line_width;\
11088	schaersvoo	7948	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
9433	schaersvoo	7949	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		7950	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7951	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		7952	var hh = 0.25*hw;\
9465	schaersvoo	7953	switch(boxplot_source){\
11088	schaersvoo	7954	case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
		7955	case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
		7956	case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
9465	schaersvoo	7957	default: break;\
9433	schaersvoo	7958	};\
		7959	var min,Q1,median,Q3,max;\
		7960	if(xy == 1 ){\
		7961	min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
		7962	hh = Math.abs(y2px(hh) - y2px(ystart));\
		7963	hw = Math.abs(y2px(hw) - y2px(ystart));\
		7964	cxy = y2px(cxy);\
9465	schaersvoo	7965	ctx.beginPath();\
9433	schaersvoo	7966	ctx.moveTo(min,cxy);\
		7967	ctx.lineTo(Q1,cxy);\
		7968	ctx.moveTo(Q3,cxy);\
		7969	ctx.lineTo(max,cxy);\
		7970	ctx.moveTo(min,cxy+hh);\
		7971	ctx.lineTo(min,cxy-hh);\
		7972	ctx.moveTo(max,cxy+hh);\
		7973	ctx.lineTo(max,cxy-hh);\
9465	schaersvoo	7974	ctx.closePath();\
		7975	ctx.stroke();\
		7976	ctx.beginPath();\
9433	schaersvoo	7977	ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
9465	schaersvoo	7978	ctx.closePath();\
		7979	if( use_filled == 1 ){\
		7980	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+fill_opacity+\")\";\
		7981	ctx.fill();\
		7982	};\
		7983	ctx.stroke();\
		7984	ctx.beginPath();\
9433	schaersvoo	7985	ctx.rect(median,cxy-2*hh,Q3-median,hw);\
9465	schaersvoo	7986	ctx.closePath();\
		7987	if( use_filled == 1 ){\
		7988	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		7989	ctx.fill();\
		7990	};\
		7991	ctx.stroke();\
9433	schaersvoo	7992	}else{\
		7993	min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
		7994	hh = Math.abs(x2px(hh) - x2px(xstart));\
		7995	hw = Math.abs(x2px(hw) - x2px(xstart));\
		7996	cxy = x2px(cxy);\
9465	schaersvoo	7997	ctx.beginPath();\
9433	schaersvoo	7998	ctx.moveTo(cxy,min);\
		7999	ctx.lineTo(cxy,Q1);\
		8000	ctx.moveTo(cxy,Q3);\
		8001	ctx.lineTo(cxy,max);\
		8002	ctx.moveTo(cxy + hh,min);\
		8003	ctx.lineTo(cxy - hh,min);\
		8004	ctx.moveTo(cxy + hh,max);\
		8005	ctx.lineTo(cxy - hh,max);\
9465	schaersvoo	8006	ctx.closePath;\
		8007	ctx.stroke();\
		8008	ctx.beginPath();\
9433	schaersvoo	8009	ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
9465	schaersvoo	8010	ctx.closePath();\
		8011	if( use_filled == 1 ){\
		8012	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+fill_opacity+\")\";\
		8013	ctx.fill();\
		8014	};\
		8015	ctx.stroke();\
		8016	ctx.beginPath();\
9433	schaersvoo	8017	ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
9465	schaersvoo	8018	ctx.closePath();\
		8019	if( use_filled == 1 ){\
		8020	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		8021	ctx.fill();\
		8022	};\
		8023	ctx.stroke();\
9433	schaersvoo	8024	};\
		8025	ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
		8026	break;
7614	schaersvoo	8027	case DRAW_ARCS:
		8028	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	8029	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	8030	ctx.save();\
		8031	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	8032	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	8033	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		8034	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	8035	start = 360 - start;\
		8036	end = 360 - end;\
7614	schaersvoo	8037	ctx.lineWidth = line_width;\
11088	schaersvoo	8038	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8039	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	8040	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		8041	ctx.beginPath();\
		8042	ctx.moveTo(xc,yc);\
		8043	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		8044	ctx.lineTo(xc,yc);\
		8045	ctx.closePath();\
7614	schaersvoo	8046	if( use_filled == 1 ){\
		8047	ctx.fill();\
8071	schaersvoo	8048	};\
		8049	ctx.stroke();\
7614	schaersvoo	8050	ctx.restore();\
8071	schaersvoo	8051	};");
8224	bpr	8052
7614	schaersvoo	8053	break;
7983	schaersvoo	8054	case DRAW_CENTERSTRING:
		8055	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	8056	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	8057	var obj;\
		8058	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8059	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8060	}\
		8061	else\
		8062	{\
		8063	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8064	};\
		8065	var ctx = obj.getContext(\"2d\");\
		8066	ctx.save();\
9481	schaersvoo	8067	ctx.clearRect(0,0,xsize,ysize);\
7983	schaersvoo	8068	ctx.font = font_family;\
		8069	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8070	var stringwidth = ctx.measureText(text).width;\
		8071	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		8072	ctx.fillText(text,x,y2px(y));\
9481	schaersvoo	8073	ctx.restore();\
7983	schaersvoo	8074	return;\
		8075	};",canvas_root_id,canvas_root_id,canvas_root_id);
		8076	break;
7614	schaersvoo	8077	case DRAW_TEXTS:
		8078	fprintf(js_include_file,"\n<!-- draw text -->\n\
11811	schaersvoo	8079	var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_affine,affine_matrix,use_offset){\
7614	schaersvoo	8080	var obj;\
		8081	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8082	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8083	}\
		8084	else\
		8085	{\
		8086	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8087	};\
		8088	var ctx = obj.getContext(\"2d\");\
9868	schaersvoo	8089	if( font_family != 'null' ){\
		8090	ctx.font = font_family;\
		8091	}\
		8092	else\
		8093	{\
		8094	ctx.font = font_size+'px Ariel';\
		8095	};\
11811	schaersvoo	8096	if( use_offset == 3 ){\
		8097	y = y + (Math.sin(angle2))*(ctx.measureText(text).width);\
		8098	x = x - (Math.cos(angle2))*(ctx.measureText(text).width);\
		8099	};\
7614	schaersvoo	8100	if(angle2 == 0 && angle != 0){\
		8101	ctx.save();\
8071	schaersvoo	8102	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
11811	schaersvoo	8103	if(use_rotate == 1 ){\
		8104	ctx.rotate(angle*Math.PI/180);};\
7614	schaersvoo	8105	};\
		8106	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8107	if(angle2 != 0){\
		8108	ctx.save();\
		8109	ctx.translate(x,y);\
		8110	ctx.rotate((360-angle2)*(Math.PI / 180));\
		8111	ctx.fillText(text,0,0);\
		8112	ctx.restore();\
		8113	}else{ctx.fillText(text,x,y);};\
		8114	ctx.restore();\
		8115	return;\
7653	schaersvoo	8116	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8117	break;
		8118	case DRAW_CURVE:
		8119	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	8120	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	8121	var obj;\
		8122	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8123	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8124	}\
		8125	else\
		8126	{\
		8127	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8128	};\
		8129	var ctx = obj.getContext(\"2d\");\
		8130	ctx.save();\
8071	schaersvoo	8131	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	8132	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		8133	ctx.beginPath();ctx.lineWidth = line_width;\
11088	schaersvoo	8134	if(line_width%%2 == 1 && typeof(zoom_x_increment) === 'undefined'){ctx.translate(0.5,0.5)};\
7614	schaersvoo	8135	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		8136	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8137	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		8138	for(var p = 1 ; p < x_points.length ; p++){\
		8139	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		8140	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		8141	}\
		8142	else\
		8143	{\
		8144	ctx.stroke();\
		8145	ctx.beginPath();\
		8146	p++;\
		8147	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		8148	};\
		8149	};\
		8150	ctx.stroke();\
		8151	ctx.restore();\
7653	schaersvoo	8152	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8153	break;
8224	bpr	8154
7614	schaersvoo	8155	case DRAW_INPUTS:
		8156	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
11803	schaersvoo	8157	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value,use_offset){\
7614	schaersvoo	8158	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		8159	var input = document.createElement(\"input\");\
		8160	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		8161	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		8162	input.setAttribute(\"size\",size);\
		8163	input.setAttribute(\"value\",value);\
7877	schaersvoo	8164	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
11803	schaersvoo	8165	canvas_div.appendChild(input);\
		8166	if(use_offset != 0 ){ center_input('canvas_input'+input_cnt,x,y,style);};\
		8167	};\
		8168	function center_input(id,x,y,style){\
		8169	var inp = document.getElementById(id);\
		8170	var pos = inp.getBoundingClientRect();\
		8171	var center_x = parseInt(x - 0.5*(pos.width));\
		8172	var center_y = parseInt(y - 0.5*(pos.height));\
		8173	try{ inp.setAttribute(\"style\",\"position:absolute;left:\"+center_x+\"px;top:\"+center_y+\"px;\"+style );}\
		8174	catch(e){return;};\
		8175	};");
7614	schaersvoo	8176	break;
8224	bpr	8177
7614	schaersvoo	8178	case DRAW_TEXTAREAS:
		8179	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	8180	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	8181	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		8182	var textarea = document.createElement(\"textarea\");\
		8183	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		8184	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		8185	textarea.setAttribute(\"cols\",cols);\
		8186	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	8187	textarea.value = value;\
		8188	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	8189	canvas_div.appendChild(textarea);};");
7614	schaersvoo	8190	break;
8224	bpr	8191
7614	schaersvoo	8192	case DRAW_PIXELS:
		8193	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	8194	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	8195	var canvas = create_canvas%d(10,xsize,ysize);\
		8196	var d = 0.5*pixelsize;\
		8197	var ctx = canvas.getContext(\"2d\");\
9462	schaersvoo	8198	if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
7614	schaersvoo	8199	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		8200	ctx.clearRect(0,0,xsize,ysize);\
		8201	for(var p=0; p<x.length;p++){\
		8202	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		8203	};\
		8204	ctx.fill();ctx.stroke();\
		8205	};",canvas_root_id);
		8206	break;
		8207
		8208	case DRAW_CLOCK:
		8209	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		8210	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		8211	var clock_ctx = clock_canvas.getContext(\"2d\");\
		8212	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	8213	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	8214	clock_ctx.save();\
7997	schaersvoo	8215	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	8216	this.type = type \|\| 0;\
		8217	this.interaction = interaction \|\| 0;\
7862	schaersvoo	8218	this.H = H;\
		8219	this.M = M;\
		8220	this.S = S;\
7614	schaersvoo	8221	this.xc = xc \|\| xsize/2;\
		8222	this.yc = yc \|\| ysize/2;\
		8223	this.radius = radius \|\| xsize/4;\
		8224	var font_size = parseInt(0.2*this.radius);\
		8225	this.H_color = h_color \|\| \"blue\";\
		8226	this.M_color = m_color \|\| \"blue\";\
		8227	this.S_color = s_color \|\| \"blue\";\
		8228	this.fg_color = fg_color \|\| \"red\";\
		8229	this.bg_color = bg_color \|\| \"white\";\
		8230	clock_ctx.translate(this.xc,this.yc);\
		8231	clock_ctx.beginPath();\
		8232	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		8233	clock_ctx.fillStyle = this.bg_color;\
		8234	clock_ctx.fill();\
		8235	clock_ctx.closePath();\
		8236	clock_ctx.beginPath();\
		8237	clock_ctx.font = font_size+\"px Arial\";\
		8238	clock_ctx.fillStyle = this.fg_color;\
		8239	clock_ctx.textAlign = \"center\";\
		8240	clock_ctx.textBaseline = 'middle';\
		8241	var angle;var x1,y1,x2,y2;\
		8242	var angle_cos;var angle_sin;\
7997	schaersvoo	8243	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	8244	switch(type){\
		8245	case 0:clock_ctx.beginPath();\
		8246	for(var p = 1; p <= 12 ; p++){\
		8247	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		8248	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		8249	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8250	clock_ctx.moveTo(x1,y1);\
		8251	clock_ctx.lineTo(x2,y2);\
		8252	};\
		8253	for(var p = 1; p <= 60 ; p++){\
		8254	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		8255	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		8256	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8257	clock_ctx.moveTo(x1,y1);\
		8258	clock_ctx.lineTo(x2,y2);\
		8259	};\
		8260	clock_ctx.closePath();\
		8261	clock_ctx.stroke();\
		8262	break;\
		8263	case 1:\
		8264	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	8265	case 2:\
		8266	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	8267	clock_ctx.beginPath();\
		8268	for(var p = 1; p <= 12 ; p++){\
		8269	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		8270	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		8271	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8272	clock_ctx.moveTo(x1,y1);\
		8273	clock_ctx.lineTo(x2,y2);\
		8274	};\
		8275	for(var p = 1; p <= 60 ; p++){\
		8276	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		8277	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		8278	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		8279	clock_ctx.moveTo(x1,y1);\
		8280	clock_ctx.lineTo(x2,y2);\
		8281	};\
		8282	clock_ctx.closePath();\
		8283	clock_ctx.stroke();\
		8284	break;\
		8285	};\
		8286	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		8287	clock_ctx.rotate(angle);\
		8288	clock_ctx.beginPath();\
		8289	clock_ctx.moveTo(-3, -2);\
		8290	clock_ctx.lineTo(-3, 2);\
11026	bpr	8291	clock_ctx.lineTo(this.radius * 0.6, 1);\
		8292	clock_ctx.lineTo(this.radius * 0.6, -1);\
7614	schaersvoo	8293	clock_ctx.fillStyle = this.H_color;\
		8294	clock_ctx.fill();\
		8295	clock_ctx.rotate(-angle);\
		8296	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		8297	clock_ctx.rotate(angle);\
		8298	clock_ctx.beginPath();\
		8299	clock_ctx.moveTo(-3, -2);\
		8300	clock_ctx.lineTo(-3, 2);\
		8301	clock_ctx.lineTo(this.radius * 0.8, 1);\
		8302	clock_ctx.lineTo(this.radius * 0.8, -1);\
		8303	clock_ctx.fillStyle = this.M_color;\
		8304	clock_ctx.fill();\
		8305	clock_ctx.rotate(-angle);\
		8306	angle = (this.S - 15) * 2 * Math.PI / 60;\
		8307	clock_ctx.rotate(angle);\
		8308	clock_ctx.beginPath();\
		8309	clock_ctx.moveTo(0,0);\
11026	bpr	8310	clock_ctx.lineTo(this.radius * 0.9, 1);\
		8311	clock_ctx.lineTo(this.radius * 0.9, -1);\
7614	schaersvoo	8312	clock_ctx.strokeStyle = this.S_color;\
		8313	clock_ctx.stroke();\
		8314	clock_ctx.restore();\
7653	schaersvoo	8315	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	8316	break;
		8317
		8318	case DRAW_LATTICE:
		8319	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	8320	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	8321	var obj;\
		8322	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8323	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8324	}\
		8325	else\
		8326	{\
		8327	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8328	};\
		8329	var ctx = obj.getContext(\"2d\");\
		8330	ctx.save();\
8071	schaersvoo	8331	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	8332	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		8333	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8334	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		8335	var radius = line_width;\
		8336	var x = 0;\
		8337	var y = 0;\
		8338	var x_step_px = xsize/(xmax-xmin);\
		8339	var y_step_px = ysize/(ymax-ymin);\
		8340	var xv1 = dx1*x_step_px;\
		8341	var yv1 = dy1*y_step_px;\
		8342	var xv2 = dx2*x_step_px;\
		8343	var yv2 = dy2*y_step_px;\
		8344	for(var p = 0; p < n1 ;p++){\
		8345	x = p*xv1 + x0;\
		8346	y = p*yv1 + y0;\
		8347	for(var c = 0; c < n2 ; c++){\
		8348	ctx.beginPath();\
		8349	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		8350	ctx.fill();\
		8351	ctx.stroke();\
		8352	ctx.closePath();\
		8353	};\
		8354	};\
		8355	ctx.restore();\
		8356	return;\
7653	schaersvoo	8357	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	8358	break;
7735	schaersvoo	8359	case DRAW_XYLOGSCALE:
		8360	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	8361	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	8362	var obj;\
		8363	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8364	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8365	}\
		8366	else\
		8367	{\
		8368	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8369	};\
		8370	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	8371	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8372	ctx.save();\
7739	schaersvoo	8373	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	8374	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		8375	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		8376	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		8377	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	8378	if(use_axis_numbering == 1){\
7956	schaersvoo	8379	ctx.font = font_family;\
		8380	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		8381	ymarge = parseInt(1.5*font_size);\
		8382	ctx.save();\
		8383	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8384	ctx.rect(0,0,xmarge,ysize);\
		8385	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8386	ctx.fill();\
		8387	ctx.restore();\
		8388	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8389	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8390	ctx.save();\
		8391	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8392	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8393	corr = ctx.measureText(xaxislabel).width;\
		8394	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8395	ctx.restore();\
		8396	};\
11088	schaersvoo	8397	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8398	ctx.save();\
		8399	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8400	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8401	corr = ctx.measureText(yaxislabel).width;\
		8402	ctx.translate(xmarge+font_size,corr+font_size);\
		8403	ctx.rotate(-0.5*Math.PI);\
		8404	ctx.fillText(yaxislabel,0,0);\
		8405	ctx.restore();\
		8406	};\
		8407	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8408	ctx.lineWidth = line_width;\
		8409	for(var p = x_min; p <= x_max ; p++){\
		8410	num = Math.pow(xlogbase,p);\
		8411	for(var i = 1 ; i < xlogbase ; i++){\
		8412	x_e = x2px(i*num);\
7735	schaersvoo	8413	if( i == 1 ){\
7956	schaersvoo	8414	ctx.lineWidth = line_width;\
		8415	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	8416	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	8417	xtxt = xlogbase+'^'+p.toFixed(0);\
		8418	corr = 0.5*(ctx.measureText(xtxt).width);\
		8419	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		8420	};\
7735	schaersvoo	8421	}else{\
7956	schaersvoo	8422	ctx.lineWidth = 0.2*line_width;\
		8423	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8424	};\
7738	schaersvoo	8425	if( x_e >= xmarge ){\
7956	schaersvoo	8426	ctx.beginPath();\
		8427	ctx.moveTo(x_e,0);\
		8428	ctx.lineTo(x_e,ysize - ymarge);\
		8429	ctx.stroke();\
		8430	ctx.closePath();\
7738	schaersvoo	8431	};\
7956	schaersvoo	8432	};\
		8433	};\
		8434	for(var p = y_min; p <= y_max ; p++){\
		8435	num = Math.pow(ylogbase,p);\
		8436	for(var i = 1 ; i < ylogbase ; i++){\
		8437	y_e = y2px(i*num);\
		8438	if( i == 1 ){\
		8439	ctx.lineWidth = line_width;\
7735	schaersvoo	8440	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8441	if( use_axis_numbering == 1 && p > y_min){\
		8442	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		8443	};\
		8444	}else{\
		8445	ctx.lineWidth = 0.2*line_width;\
		8446	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8447	};\
		8448	ctx.beginPath();\
		8449	ctx.moveTo(xmarge,y_e);\
		8450	ctx.lineTo(xsize,y_e);\
		8451	ctx.stroke();\
		8452	ctx.closePath();\
		8453	};\
		8454	};\
7735	schaersvoo	8455	ctx.restore();\
		8456	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		8457	break;
7614	schaersvoo	8458
7735	schaersvoo	8459	case DRAW_XLOGSCALE:
		8460	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	8461	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	8462	var obj;\
		8463	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8464	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8465	}\
		8466	else\
		8467	{\
		8468	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8469	};\
		8470	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	8471	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8472	ctx.save();\
		8473	ctx.lineWidth = line_width;\
7739	schaersvoo	8474	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	8475	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		8476	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		8477	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	8478	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		8479	if(use_axis_numbering == 1){\
7956	schaersvoo	8480	ctx.font = font_family;\
		8481	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		8482	ymarge = parseInt(1.5*font_size);\
		8483	ctx.save();\
		8484	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8485	ctx.rect(0,0,xmarge,ysize);\
		8486	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8487	ctx.fill();\
		8488	ctx.restore();\
		8489	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8490	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8491	ctx.save();\
		8492	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8493	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8494	corr = ctx.measureText(xaxislabel).width;\
		8495	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8496	ctx.restore();\
		8497	};\
11088	schaersvoo	8498	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8499	ctx.save();\
		8500	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8501	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8502	corr = ctx.measureText(yaxislabel).width;\
		8503	ctx.translate(xmarge+font_size,corr+font_size);\
		8504	ctx.rotate(-0.5*Math.PI);\
		8505	ctx.fillText(yaxislabel,0,0);\
		8506	ctx.restore();\
		8507	};\
		8508	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8509	ctx.lineWidth = line_width;\
		8510	for(var p = x_min; p <= x_max ; p++){\
		8511	num = Math.pow(xlogbase,p);\
		8512	for(var i = 1 ; i < xlogbase ; i++){\
		8513	x_e = x2px(i*num);\
7735	schaersvoo	8514	if( i == 1 ){\
7956	schaersvoo	8515	ctx.lineWidth = line_width;\
7739	schaersvoo	8516	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		8517	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	8518	xtxt = xlogbase+'^'+p.toFixed(0);\
		8519	corr = 0.5*(ctx.measureText(xtxt).width);\
		8520	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		8521	};\
		8522	}else{\
7956	schaersvoo	8523	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	8524	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8525	};\
7739	schaersvoo	8526	if( x_e >= xmarge ){\
7956	schaersvoo	8527	ctx.beginPath();\
		8528	ctx.moveTo(x_e,0);\
		8529	ctx.lineTo(x_e,ysize - ymarge);\
		8530	ctx.stroke();\
		8531	ctx.closePath();\
7739	schaersvoo	8532	};\
		8533	};\
7956	schaersvoo	8534	};\
7735	schaersvoo	8535	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		8536	var minor_step = stepy / yminor;\
7749	schaersvoo	8537	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	8538	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8539	ctx.lineWidth = line_width;\
		8540	ctx.beginPath();\
		8541	ctx.moveTo(xmarge,y);\
		8542	ctx.lineTo(xsize,y);\
		8543	ctx.stroke();\
		8544	ctx.closePath();\
7735	schaersvoo	8545	if( use_axis_numbering == 1){\
		8546	ytxt = (px2y(y)).toFixed(prec);\
		8547	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		8548	};\
		8549	for(var dy = 1 ; dy < yminor ; dy++){\
		8550	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	8551	ctx.lineWidth = 0.2*line_width;\
		8552	ctx.beginPath();\
7739	schaersvoo	8553	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	8554	ctx.lineTo(xsize,y+dy*minor_step);\
		8555	ctx.stroke();\
		8556	ctx.closePath();\
7735	schaersvoo	8557	};\
		8558	};\
7956	schaersvoo	8559	ctx.restore();\
		8560	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	8561	break;
7729	schaersvoo	8562	case DRAW_YLOGSCALE:
		8563	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	8564	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	8565	var obj;\
		8566	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		8567	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		8568	}\
		8569	else\
		8570	{\
		8571	obj = create_canvas%d(canvas_type,xsize,ysize);\
		8572	};\
		8573	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	8574	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	8575	ctx.save();\
		8576	ctx.lineWidth = line_width;\
7735	schaersvoo	8577	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		8578	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	8579	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	8580	if(use_axis_numbering == 1){\
7956	schaersvoo	8581	ctx.font = font_family;\
		8582	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		8583	ymarge = 2*font_size;\
		8584	ctx.save();\
		8585	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		8586	ctx.rect(0,0,xmarge,ysize);\
		8587	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		8588	ctx.fill();\
		8589	ctx.restore();\
		8590	}else{xmarge = 0;ymarge = 0;};\
11088	schaersvoo	8591	if( typeof(xaxislabel) !== 'undefined' ){\
7956	schaersvoo	8592	ctx.save();\
		8593	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8594	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8595	corr = ctx.measureText(xaxislabel).width;\
		8596	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		8597	ctx.restore();\
		8598	};\
11088	schaersvoo	8599	if( typeof(yaxislabel) !== 'undefined' ){\
7956	schaersvoo	8600	ctx.save();\
		8601	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		8602	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8603	corr = ctx.measureText(yaxislabel).width;\
		8604	ctx.translate(xmarge+font_size,corr+font_size);\
		8605	ctx.rotate(-0.5*Math.PI);\
		8606	ctx.fillText(yaxislabel,0,0);\
		8607	ctx.restore();\
		8608	};\
		8609	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		8610	ctx.lineWidth = line_width;\
		8611	for(var p = y_min; p <= y_max ; p++){\
		8612	num = Math.pow(ylogbase,p);\
		8613	for(var i = 1 ; i < ylogbase ; i++){\
		8614	y_e = y2px(i*num);\
7729	schaersvoo	8615	if( i == 1 ){\
7956	schaersvoo	8616	ctx.lineWidth = line_width;\
7729	schaersvoo	8617	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	8618	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	8619	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	8620	};\
		8621	}else{\
7956	schaersvoo	8622	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	8623	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		8624	};\
7956	schaersvoo	8625	ctx.beginPath();\
		8626	ctx.moveTo(xmarge,y_e);\
		8627	ctx.lineTo(xsize,y_e);\
		8628	ctx.stroke();\
		8629	ctx.closePath();\
		8630	};\
		8631	};\
7729	schaersvoo	8632	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		8633	var minor_step = stepx / xminor;\
		8634	var prec = Math.log(precision)/Math.log(10);\
		8635	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	8636	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	8637	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	8638	ctx.lineWidth = line_width;\
		8639	ctx.beginPath();\
		8640	ctx.moveTo(x,ysize-ymarge);\
		8641	ctx.lineTo(x,0);\
		8642	ctx.stroke();\
		8643	ctx.closePath();\
7729	schaersvoo	8644	if( use_axis_numbering == 1){\
		8645	xtxt = (px2x(x)).toFixed(prec);\
		8646	corr = 0.5*(ctx.measureText(xtxt).width);\
		8647	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		8648	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		8649	};\
		8650	for(var dx = 1 ; dx < xminor ; dx++){\
		8651	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	8652	ctx.lineWidth = 0.2*line_width;\
		8653	ctx.beginPath();\
7739	schaersvoo	8654	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	8655	ctx.lineTo(x+dx*minor_step,0);\
		8656	ctx.stroke();\
		8657	ctx.closePath();\
7735	schaersvoo	8658	};\
		8659	};\
7956	schaersvoo	8660	ctx.restore();\
		8661	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	8662	break;
9213	schaersvoo	8663
7614	schaersvoo	8664	default:break;
		8665	}
		8666	}
		8667	}
		8668	return;
		8669	}
		8670
		8671	void check_string_length(int L){
9466	schaersvoo	8672	if( L > MAX_BUFFER-1){
7614	schaersvoo	8673	canvas_error("problem with your arguments to command...");
		8674	}
		8675	return;
		8676	}
		8677
		8678
		8679	int get_token(FILE *infile){
		8680	int c,i=0;
		8681	char temp[MAX_INT], *input_type;
		8682	char *line="line",
		8683	*audio="audio",
		8684	*blink="blink",
		8685	*arrowhead="arrowhead",
		8686	*crosshairsize="crosshairsize",
		8687	*crosshair="crosshair",
		8688	*crosshairs="crosshairs",
		8689	*audioobject="audioobject",
		8690	*style="style",
		8691	*mouse="mouse",
7991	schaersvoo	8692	*mousex="mousex",
		8693	*mousey="mousey",
8071	schaersvoo	8694	*mouse_display="display",
		8695	*mouse_degree="mouse_degree",
7614	schaersvoo	8696	*userdraw="userdraw",
		8697	*highlight="highlight",
		8698	*http="http",
		8699	*rays="rays",
		8700	*dashtype="dashtype",
		8701	*dashed="dashed",
		8702	*filled="filled",
		8703	*lattice="lattice",
		8704	*parallel="parallel",
		8705	*segment="segment",
8299	schaersvoo	8706	*segments="segments",
7614	schaersvoo	8707	*dsegment="dsegment",
9374	schaersvoo	8708	*dsegments="dsegments",
7614	schaersvoo	8709	*seg="seg",
9383	schaersvoo	8710	*segs="segs",
7614	schaersvoo	8711	*bgimage="bgimage",
		8712	*bgcolor="bgcolor",
		8713	*strokecolor="strokecolor",
		8714	*backgroundimage="backgroundimage",
		8715	*text="text",
		8716	*textup="textup",
		8717	*mouseprecision="mouseprecision",
		8718	*precision="precision",
		8719	*plotsteps="plotsteps",
		8720	*plotstep="plotstep",
		8721	*tsteps="tsteps",
		8722	*curve="curve",
		8723	*dcurve="dcurve",
		8724	*plot="plot",
		8725	*dplot="dplot",
7788	schaersvoo	8726	*levelcurve="levelcurve",
7614	schaersvoo	8727	*fontsize="fontsize",
		8728	*fontcolor="fontcolor",
		8729	*axis="axis",
		8730	*axisnumbering="axisnumbering",
		8731	*axisnumbers="axisnumbers",
		8732	*arrow="arrow",
9382	schaersvoo	8733	*vector="vector",
		8734	*vectors="vectors",
7614	schaersvoo	8735	*darrow="darrow",
		8736	*arrow2="arrow2",
		8737	*darrow2="darrow2",
8304	schaersvoo	8738	*arrows="arrows",
8347	schaersvoo	8739	*arrows2="arrows2",
7614	schaersvoo	8740	*zoom="zoom",
		8741	*grid="grid",
		8742	*hline="hline",
7786	schaersvoo	8743	*dhline="dhline",
7614	schaersvoo	8744	*drag="drag",
		8745	*horizontalline="horizontalline",
9383	schaersvoo	8746	*horizontallines="horizontallines",
7614	schaersvoo	8747	*vline="vline",
7786	schaersvoo	8748	*dvline="dvline",
7614	schaersvoo	8749	*verticalline="verticalline",
9383	schaersvoo	8750	*verticallines="verticallines",
7614	schaersvoo	8751	*triangle="triangle",
9306	schaersvoo	8752	*triangles="triangles",
7614	schaersvoo	8753	*ftriangle="ftriangle",
9374	schaersvoo	8754	*ftriangles="ftriangles",
7614	schaersvoo	8755	*mathml="mathml",
		8756	*html="html",
		8757	*input="input",
8146	schaersvoo	8758	*clearbutton="clearbutton",
9386	schaersvoo	8759	*erase="erase",
		8760	*delete="delete",
7614	schaersvoo	8761	*inputstyle="inputstyle",
		8762	*textarea="textarea",
		8763	*trange="trange",
		8764	*ranget="ranget",
		8765	*xrange="xrange",
		8766	*yrange="yrange",
		8767	*rangex="rangex",
		8768	*rangey="rangey",
8370	schaersvoo	8769	*path="path",
7614	schaersvoo	8770	*polyline="polyline",
8351	schaersvoo	8771	*brokenline="brokenline",
7614	schaersvoo	8772	*lines="lines",
		8773	*poly="poly",
		8774	*polygon="polygon",
		8775	*fpolygon="fpolygon",
		8776	*fpoly="fpoly",
		8777	*filledpoly="filledpoly",
		8778	*filledpolygon="filledpolygon",
		8779	*rect="rect",
		8780	*frect="frect",
		8781	*rectangle="rectangle",
		8782	*frectangle="frectangle",
		8783	*square="square",
		8784	*fsquare="fsquare",
9374	schaersvoo	8785	*fsquares="fsquares",
8363	schaersvoo	8786	*rects="rects",
		8787	*frects="frects",
7614	schaersvoo	8788	*dline="dline",
		8789	*arc="arc",
		8790	*filledarc="filledarc",
9374	schaersvoo	8791	*farc="farc",
7614	schaersvoo	8792	*size="size",
		8793	*string="string",
		8794	*stringup="stringup",
		8795	*copy="copy",
		8796	*copyresized="copyresized",
		8797	*opacity="opacity",
		8798	*transparent="transparent",
		8799	*fill="fill",
		8800	*point="point",
		8801	*points="points",
		8802	*linewidth="linewidth",
		8803	*circle="circle",
8304	schaersvoo	8804	*circles="circles",
7614	schaersvoo	8805	*fcircle="fcircle",
9374	schaersvoo	8806	*fcircles="fcircles",
7614	schaersvoo	8807	*disk="disk",
9374	schaersvoo	8808	*disks="disks",
7614	schaersvoo	8809	*comment="#",
		8810	*end="end",
		8811	*ellipse="ellipse",
		8812	*fellipse="fellipse",
		8813	*rotate="rotate",
7785	schaersvoo	8814	*affine="affine",
9907	schaersvoo	8815	*rotationcenter="rotationcenter",
		8816	*killrotate="killrotate",
7785	schaersvoo	8817	*killaffine="killaffine",
7614	schaersvoo	8818	*fontfamily="fontfamily",
		8819	*fillcolor="fillcolor",
		8820	*clicktile="clicktile",
		8821	*clicktile_colors="clicktile_colors",
		8822	*translation="translation",
		8823	*translate="translate",
		8824	*killtranslation="killtranslation",
		8825	*killtranslate="killtranslate",
		8826	*onclick="onclick",
8370	schaersvoo	8827	*roundrects="roundrects",
7614	schaersvoo	8828	*roundrect="roundrect",
		8829	*froundrect="froundrect",
9374	schaersvoo	8830	*froundrects="froundrects",
7614	schaersvoo	8831	*roundrectangle="roundrectangle",
		8832	*patternfill="patternfill",
		8833	*hatchfill="hatchfill",
		8834	*diafill="diafill",
7647	schaersvoo	8835	*diamondfill="diamondfill",
7614	schaersvoo	8836	*dotfill="dotfill",
		8837	*gridfill="gridfill",
		8838	*imagefill="imagefill",
7735	schaersvoo	8839	*xlogbase="xlogbase",
		8840	*ylogbase="ylogbase",
7614	schaersvoo	8841	*xlogscale="xlogscale",
		8842	*ylogscale="ylogscale",
		8843	*xylogscale="xylogscale",
		8844	*intooltip="intooltip",
9329	schaersvoo	8845	*popup="popup",
7614	schaersvoo	8846	*replyformat="replyformat",
		8847	*floodfill="floodfill",
11772	schaersvoo	8848	*fillall="fillall",
7614	schaersvoo	8849	*filltoborder="filltoborder",
		8850	*setpixel="setpixel",
		8851	*pixels="pixels",
		8852	*pixelsize="pixelsize",
		8853	*xaxis="xaxis",
9341	schaersvoo	8854	*xaxisup="xaxisup",
7614	schaersvoo	8855	*yaxis="yaxis",
		8856	*xaxistext="xaxistext",
9341	schaersvoo	8857	*xaxistextup="xaxistextup",
7614	schaersvoo	8858	*yaxistext="yaxistext",
		8859	*piechart="piechart",
9433	schaersvoo	8860	*boxplot="boxplot",
9465	schaersvoo	8861	*boxplotdata="boxplotdata",
		8862	*userboxplot="userboxplot",
		8863	*userboxplotdata="userboxplotdata",
7614	schaersvoo	8864	*legend="legend",
		8865	*legendcolors="legendcolors",
		8866	*xlabel="xlabel",
		8867	*ylabel="ylabel",
		8868	*barchart="barchart",
		8869	*linegraph="linegraph",
		8870	*clock="clock",
		8871	*animate="animate",
		8872	*video="video",
		8873	*status="status",
7877	schaersvoo	8874	*nostatus="nostatus",
7652	schaersvoo	8875	*snaptogrid="snaptogrid",
7784	schaersvoo	8876	*xsnaptogrid="xsnaptogrid",
		8877	*ysnaptogrid="ysnaptogrid",
8379	schaersvoo	8878	*snaptopoints="snaptopoints",
9213	schaersvoo	8879	*snaptofunction="snaptofunction",
		8880	*snaptofun="snaptofun",
7654	schaersvoo	8881	*userinput_xy="userinput_xy",
8193	schaersvoo	8882	*userinput_function="userinput_function",
7663	schaersvoo	8883	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	8884	*userinput="userinput",
7823	schaersvoo	8885	*jsmath="jsmath",
7858	schaersvoo	8886	*trace_jscurve="trace_jscurve",
7838	schaersvoo	8887	*setlimits="setlimits",
7858	schaersvoo	8888	*jscurve="jscurve",
		8889	*jsplot="jsplot",
7983	schaersvoo	8890	*sgraph="sgraph",
7984	schaersvoo	8891	*title="title",
7996	schaersvoo	8892	*centerstring="centerstring",
		8893	*xunit="xunit",
8071	schaersvoo	8894	*yunit="yunit",
8101	schaersvoo	8895	*slider="slider",
8105	schaersvoo	8896	*killslider="killslider",
8244	schaersvoo	8897	*angle="angle",
8365	schaersvoo	8898	*halflines="halflines",
		8899	*demilines="demilines",
8244	schaersvoo	8900	*halfline="halfline",
8297	schaersvoo	8901	*demiline="demiline",
8366	schaersvoo	8902	*hlines="hlines",
		8903	*vlines="vlines",
8370	schaersvoo	8904	*bezier="bezier",
9213	schaersvoo	8905	*functionlabel="functionlabel",
		8906	*sliderfunction_x="sliderfunction_x",
		8907	*sliderfunction_y="sliderfunction_y",
		8908	*multidraw="multidraw",
		8909	*multilinewidth="multilinewidth",
		8910	*multistrokecolors="multistrokecolors",
		8911	*multifillcolors="multifillcolors",
		8912	*multistrokeopacity="multistrokeopacity",
		8913	*multifillopacity="multifillopacity",
		8914	*multifill="multifill",
		8915	*multidash="multidash",
		8916	*multilabel="multilabel",
		8917	*multiuserinput="multiuserinput",
9289	schaersvoo	8918	*multisnaptogrid="multisnaptogrid",
		8919	*protractor="protractor",
9386	schaersvoo	8920	*ruler="ruler",
		8921	*cursor="cursor",
9427	schaersvoo	8922	*pointer="pointer",
		8923	*yerrorbars="yerrorbars",
11006	schaersvoo	8924	*xerrorbars="xerrorbars",
11044	schaersvoo	8925	*noxaxis="noxaxis",
		8926	*noyaxis="noyaxis",
11767	schaersvoo	8927	*colorpalette="colorpalette",
11802	schaersvoo	8928	*xoffset="xoffset",
		8929	*centered="centered",
		8930	*xyoffset="xyoffset",
11811	schaersvoo	8931	*yoffset="yoffset",
11802	schaersvoo	8932	*resetoffset="resetoffset",
11006	schaersvoo	8933	*canvastype="canvastype";
7614	schaersvoo	8934
10891	schaersvoo	8935	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')&&(c!='\t')){
		8936	if( i == 0 && (c == ' ') ){ continue; /* white spaces or tabs allowed before first command identifier */
		8937	}else{
		8938	if( c == ' ' ){
7614	schaersvoo	8939	break;
10891	schaersvoo	8940	}else{
		8941	temp[i] = c;
		8942	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		8943	i++;
		8944	}
		8945	}
		8946	if(temp[0] == '#'){ break; }
7614	schaersvoo	8947	}
10891	schaersvoo	8948	if (c == '\n' \|\| c == '\r' \|\| c == '\t' ){ line_number++; }
		8949	if (c == EOF) {finished=1;return 0;}
7614	schaersvoo	8950
		8951	temp[i]='\0';
		8952	input_type=(char*)my_newmem(strlen(temp));
		8953	snprintf(input_type,sizeof(temp),"%s",temp);
10891	schaersvoo	8954	/* fprintf(stdout,"temp = %s <br/>",input_type); */
7614	schaersvoo	8955	if( strcmp(input_type, size) == 0 ){
		8956	free(input_type);
		8957	return SIZE;
		8958	}
		8959	if( strcmp(input_type, xrange) == 0 ){
		8960	free(input_type);
		8961	return XRANGE;
		8962	}
		8963	if( strcmp(input_type, rangex) == 0 ){
		8964	free(input_type);
		8965	return XRANGE;
		8966	}
		8967	if( strcmp(input_type, trange) == 0 ){
		8968	free(input_type);
		8969	return TRANGE;
		8970	}
		8971	if( strcmp(input_type, ranget) == 0 ){
		8972	free(input_type);
		8973	return TRANGE;
		8974	}
		8975	if( strcmp(input_type, yrange) == 0 ){
		8976	free(input_type);
		8977	return YRANGE;
		8978	}
		8979	if( strcmp(input_type, rangey) == 0 ){
		8980	free(input_type);
		8981	return YRANGE;
		8982	}
		8983	if( strcmp(input_type, linewidth) == 0 ){
		8984	free(input_type);
		8985	return LINEWIDTH;
		8986	}
		8987	if( strcmp(input_type, dashed) == 0 ){
		8988	free(input_type);
		8989	return DASHED;
		8990	}
		8991	if( strcmp(input_type, dashtype) == 0 ){
		8992	free(input_type);
		8993	return DASHTYPE;
		8994	}
		8995	if( strcmp(input_type, axisnumbering) == 0 ){
		8996	free(input_type);
		8997	return AXIS_NUMBERING;
		8998	}
		8999	if( strcmp(input_type, axisnumbers) == 0 ){
		9000	free(input_type);
		9001	return AXIS_NUMBERING;
		9002	}
		9003	if( strcmp(input_type, axis) == 0 ){
		9004	free(input_type);
		9005	return AXIS;
		9006	}
		9007	if( strcmp(input_type, grid) == 0 ){
		9008	free(input_type);
		9009	return GRID;
		9010	}
9383	schaersvoo	9011	if( strcmp(input_type, hlines) == 0 \|\| strcmp(input_type, horizontallines) == 0 ){
8366	schaersvoo	9012	free(input_type);
		9013	return HLINES;
		9014	}
9383	schaersvoo	9015	if( strcmp(input_type, vlines) == 0 \|\| strcmp(input_type, verticallines) == 0 ){
8366	schaersvoo	9016	free(input_type);
		9017	return VLINES;
		9018	}
9383	schaersvoo	9019	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
7614	schaersvoo	9020	free(input_type);
		9021	return HLINE;
		9022	}
		9023	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		9024	free(input_type);
		9025	return VLINE;
		9026	}
		9027	if( strcmp(input_type, line) == 0 ){
		9028	free(input_type);
		9029	return LINE;
		9030	}
9383	schaersvoo	9031	if( strcmp(input_type, segments) == 0 \|\| strcmp(input_type, segs) == 0 ){
8299	schaersvoo	9032	free(input_type);
		9033	return SEGMENTS;
		9034	}
7614	schaersvoo	9035	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		9036	free(input_type);
		9037	return SEGMENT;
		9038	}
9374	schaersvoo	9039	if( strcmp(input_type, dsegments) == 0 ){
		9040	free(input_type);
		9041	use_dashed = TRUE;
		9042	return SEGMENTS;
		9043	}
7614	schaersvoo	9044	if( strcmp(input_type, dsegment) == 0 ){
		9045	free(input_type);
		9046	use_dashed = TRUE;
		9047	return SEGMENT;
		9048	}
		9049	if( strcmp(input_type, crosshairsize) == 0 ){
		9050	free(input_type);
		9051	return CROSSHAIRSIZE;
		9052	}
		9053	if( strcmp(input_type, arrowhead) == 0 ){
		9054	free(input_type);
		9055	return ARROWHEAD;
		9056	}
		9057	if( strcmp(input_type, crosshairs) == 0 ){
		9058	free(input_type);
		9059	return CROSSHAIRS;
		9060	}
		9061	if( strcmp(input_type, crosshair) == 0 ){
		9062	free(input_type);
		9063	return CROSSHAIR;
		9064	}
		9065	if( strcmp(input_type, onclick) == 0 ){
		9066	free(input_type);
		9067	return ONCLICK;
		9068	}
		9069	if( strcmp(input_type, drag) == 0 ){
		9070	free(input_type);
		9071	return DRAG;
		9072	}
		9073	if( strcmp(input_type, userdraw) == 0 ){
		9074	free(input_type);
		9075	return USERDRAW;
		9076	}
		9077	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		9078	free(input_type);
		9079	return STYLE;
		9080	}
		9081	if( strcmp(input_type, fillcolor) == 0 ){
		9082	free(input_type);
		9083	return FILLCOLOR;
		9084	}
		9085	if( strcmp(input_type, strokecolor) == 0 ){
		9086	free(input_type);
		9087	return STROKECOLOR;
		9088	}
		9089	if( strcmp(input_type, filled) == 0 ){
		9090	free(input_type);
		9091	return FILLED;
		9092	}
		9093	if( strcmp(input_type, http) == 0 ){
		9094	free(input_type);
		9095	return HTTP;
		9096	}
		9097	if( strcmp(input_type, rays) == 0 ){
		9098	free(input_type);
		9099	return RAYS;
		9100	}
		9101	if( strcmp(input_type, lattice) == 0 ){
		9102	free(input_type);
		9103	return LATTICE;
		9104	}
		9105	if( strcmp(input_type, bgimage) == 0 ){
		9106	free(input_type);
		9107	return BGIMAGE;
		9108	}
		9109	if( strcmp(input_type, bgcolor) == 0 ){
		9110	free(input_type);
		9111	return BGCOLOR;
		9112	}
		9113	if( strcmp(input_type, backgroundimage) == 0 ){
		9114	free(input_type);
		9115	return BGIMAGE;
		9116	}
		9117	if( strcmp(input_type, text) == 0 ){
		9118	free(input_type);
		9119	return FLY_TEXT;
		9120	}
		9121	if( strcmp(input_type, textup) == 0 ){
		9122	free(input_type);
		9123	return FLY_TEXTUP;
		9124	}
		9125	if( strcmp(input_type, mouse) == 0 ){
		9126	free(input_type);
		9127	return MOUSE;
		9128	}
7991	schaersvoo	9129	if( strcmp(input_type, mousex) == 0 ){
		9130	free(input_type);
		9131	return MOUSEX;
		9132	}
		9133	if( strcmp(input_type, mousey) == 0 ){
		9134	free(input_type);
		9135	return MOUSEY;
		9136	}
8071	schaersvoo	9137	if( strcmp(input_type, mouse_degree) == 0 ){
		9138	free(input_type);
		9139	return MOUSE_DEGREE;
		9140	}
		9141	if( strcmp(input_type, mouse_display) == 0 ){
		9142	free(input_type);
		9143	return MOUSE_DISPLAY;
		9144	}
7614	schaersvoo	9145	if( strcmp(input_type, mouseprecision) == 0 ){
		9146	free(input_type);
		9147	return MOUSE_PRECISION;
		9148	}
		9149	if( strcmp(input_type, precision) == 0 ){
		9150	free(input_type);
		9151	return MOUSE_PRECISION;
		9152	}
		9153	if( strcmp(input_type, curve) == 0 ){
		9154	free(input_type);
		9155	return CURVE;
		9156	}
		9157	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	9158	use_dashed = TRUE;
7614	schaersvoo	9159	free(input_type);
		9160	return CURVE;
		9161	}
		9162	if( strcmp(input_type, plot) == 0 ){
		9163	free(input_type);
		9164	return CURVE;
		9165	}
		9166	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	9167	use_dashed = TRUE;
7614	schaersvoo	9168	free(input_type);
		9169	return CURVE;
		9170	}
7788	schaersvoo	9171	if( strcmp(input_type, levelcurve) == 0 ){
		9172	free(input_type);
		9173	return LEVELCURVE;
		9174	}
7614	schaersvoo	9175	if( strcmp(input_type, plotsteps) == 0 ){
		9176	free(input_type);
		9177	return PLOTSTEPS;
		9178	}
		9179	if( strcmp(input_type, plotstep) == 0 ){
		9180	free(input_type);
		9181	return PLOTSTEPS;
		9182	}
		9183	if( strcmp(input_type, tsteps) == 0 ){
		9184	free(input_type);
		9185	return PLOTSTEPS;
		9186	}
		9187	if( strcmp(input_type, fontsize) == 0 ){
		9188	free(input_type);
		9189	return FONTSIZE;
		9190	}
		9191	if( strcmp(input_type, fontcolor) == 0 ){
		9192	free(input_type);
		9193	return FONTCOLOR;
		9194	}
		9195	if( strcmp(input_type, arrow2) == 0 ){
		9196	free(input_type);
		9197	return ARROW2;
		9198	}
		9199	if( strcmp(input_type, darrow) == 0 ){
		9200	free(input_type);
8071	schaersvoo	9201	use_dashed = TRUE;
7614	schaersvoo	9202	return ARROW;
		9203	}
		9204	if( strcmp(input_type, darrow2) == 0 ){
		9205	free(input_type);
		9206	use_dashed = TRUE;
		9207	return ARROW2;
		9208	}
8347	schaersvoo	9209	if( strcmp(input_type, arrows2) == 0 ){
		9210	free(input_type);
		9211	return ARROWS2;
		9212	}
9382	schaersvoo	9213	if( strcmp(input_type, arrows) == 0 \|\| strcmp(input_type, vectors) == 0 ){
8304	schaersvoo	9214	free(input_type);
		9215	return ARROWS;
		9216	}
9382	schaersvoo	9217	if( strcmp(input_type, arrow) == 0 \|\| strcmp(input_type, vector) == 0 ){
8304	schaersvoo	9218	free(input_type);
		9219	return ARROW;
		9220	}
7614	schaersvoo	9221	if( strcmp(input_type, zoom) == 0 ){
		9222	free(input_type);
		9223	return ZOOM;
		9224	}
		9225	if( strcmp(input_type, triangle) == 0 ){
		9226	free(input_type);
		9227	return TRIANGLE;
		9228	}
9306	schaersvoo	9229	if( strcmp(input_type, triangles) == 0 ){
		9230	free(input_type);
		9231	return TRIANGLES;
		9232	}
9374	schaersvoo	9233	if( strcmp(input_type, ftriangles) == 0 ){
		9234	free(input_type);
		9235	use_filled = TRUE;
		9236	return TRIANGLES;
		9237	}
7614	schaersvoo	9238	if( strcmp(input_type, ftriangle) == 0 ){
		9239	free(input_type);
		9240	use_filled = TRUE;
		9241	return TRIANGLE;
		9242	}
		9243	if( strcmp(input_type, input) == 0 ){
		9244	free(input_type);
		9245	return INPUT;
		9246	}
		9247	if( strcmp(input_type, inputstyle) == 0 ){
		9248	free(input_type);
		9249	return INPUTSTYLE;
		9250	}
		9251	if( strcmp(input_type, textarea) == 0 ){
		9252	free(input_type);
		9253	return TEXTAREA;
		9254	}
		9255	if( strcmp(input_type, mathml) == 0 ){
		9256	free(input_type);
		9257	return MATHML;
		9258	}
		9259	if( strcmp(input_type, html) == 0 ){
		9260	free(input_type);
		9261	return MATHML;
		9262	}
		9263	if( strcmp(input_type, fontfamily) == 0 ){
		9264	free(input_type);
		9265	return FONTFAMILY;
		9266	}
10975	schaersvoo	9267	if( strcmp(input_type, polyline) == 0 \|\| strcmp(input_type, path) == 0 \|\| strcmp(input_type, brokenline) == 0 ){
7614	schaersvoo	9268	free(input_type);
		9269	return POLYLINE;
		9270	}
8351	schaersvoo	9271	if( strcmp(input_type, lines) == 0 ){
		9272	free(input_type);
		9273	return LINES;
		9274	}
9374	schaersvoo	9275	if( strcmp(input_type, rects) == 0){
8363	schaersvoo	9276	free(input_type);
		9277	return RECTS;
		9278	}
9383	schaersvoo	9279	if( strcmp(input_type, frects) == 0 ){
8363	schaersvoo	9280	free(input_type);
9374	schaersvoo	9281	use_filled = TRUE;
8363	schaersvoo	9282	return RECTS;
		9283	}
7614	schaersvoo	9284	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		9285	free(input_type);
		9286	return RECT;
		9287	}
9374	schaersvoo	9288	if( strcmp(input_type, square) == 0 ){
		9289	free(input_type);
		9290	return RECT;
		9291	}
		9292	if( strcmp(input_type, fsquare) == 0 ){
		9293	free(input_type);
		9294	use_filled = TRUE;
		9295	return SQUARE;
		9296	}
		9297	if( strcmp(input_type, fsquares) == 0 ){
		9298	free(input_type);
		9299	use_filled = TRUE;
		9300	return RECTS;
		9301	}
8370	schaersvoo	9302	if( strcmp(input_type, roundrects) == 0 ){
		9303	free(input_type);
		9304	return ROUNDRECTS;
		9305	}
7614	schaersvoo	9306	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		9307	free(input_type);
		9308	return ROUNDRECT;
		9309	}
9374	schaersvoo	9310	if( strcmp(input_type, froundrects) == 0 ){
7614	schaersvoo	9311	free(input_type);
		9312	use_filled = TRUE;
9374	schaersvoo	9313	return ROUNDRECTS;
7614	schaersvoo	9314	}
9374	schaersvoo	9315	if( strcmp(input_type, froundrect) == 0 ){
7614	schaersvoo	9316	free(input_type);
		9317	use_filled = TRUE;
9374	schaersvoo	9318	return ROUNDRECT;
7614	schaersvoo	9319	}
		9320	if( strcmp(input_type, dline) == 0 ){
		9321	use_dashed = TRUE;
		9322	free(input_type);
		9323	return LINE;
		9324	}
7786	schaersvoo	9325	if( strcmp(input_type, dvline) == 0 ){
		9326	use_dashed = TRUE;
		9327	free(input_type);
		9328	return VLINE;
		9329	}
		9330	if( strcmp(input_type, dhline) == 0 ){
		9331	use_dashed = TRUE;
		9332	free(input_type);
		9333	return HLINE;
		9334	}
9386	schaersvoo	9335	if( strcmp(input_type, halflines) == 0 \|\| strcmp(input_type, demilines) == 0 ){
		9336	free(input_type);
		9337	return HALFLINES;
		9338	}
		9339	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
		9340	free(input_type);
		9341	return HALFLINE;
		9342	}
7614	schaersvoo	9343	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		9344	use_filled = TRUE;
		9345	free(input_type);
		9346	return RECT;
		9347	}
8304	schaersvoo	9348	if( strcmp(input_type, circles) == 0 ){
		9349	free(input_type);
		9350	return CIRCLES;
		9351	}
7614	schaersvoo	9352	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		9353	use_filled = TRUE;
		9354	free(input_type);
		9355	return CIRCLE;
		9356	}
9374	schaersvoo	9357	if( strcmp(input_type, fcircles) == 0 \|\| strcmp(input_type, disks) == 0 ){
		9358	use_filled = TRUE;
		9359	free(input_type);
		9360	return CIRCLES;
		9361	}
7614	schaersvoo	9362	if( strcmp(input_type, circle) == 0 ){
		9363	free(input_type);
		9364	return CIRCLE;
		9365	}
		9366	if( strcmp(input_type, point) == 0 ){
		9367	free(input_type);
		9368	return POINT;
		9369	}
		9370	if( strcmp(input_type, points) == 0 ){
		9371	free(input_type);
		9372	return POINTS;
		9373	}
9374	schaersvoo	9374	if( strcmp(input_type, filledarc) == 0 \|\| strcmp(input_type, farc) == 0 ){
7614	schaersvoo	9375	use_filled = TRUE;
		9376	free(input_type);
		9377	return ARC;
		9378	}
		9379	if( strcmp(input_type, arc) == 0 ){
		9380	free(input_type);
		9381	return ARC;
		9382	}
		9383	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		9384	free(input_type);
		9385	return POLY;
		9386	}
		9387	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		9388	use_filled = TRUE;
		9389	free(input_type);
		9390	return POLY;
		9391	}
		9392	if( strcmp(input_type, ellipse) == 0){
		9393	free(input_type);
		9394	return ELLIPSE;
		9395	}
		9396	if( strcmp(input_type, string) == 0 ){
		9397	free(input_type);
		9398	return STRING;
		9399	}
		9400	if( strcmp(input_type, stringup) == 0 ){
		9401	free(input_type);
		9402	return STRINGUP;
		9403	}
9385	schaersvoo	9404	if( strcmp(input_type, opacity) == 0 \|\| strcmp(input_type, transparent) == 0 ){
7614	schaersvoo	9405	free(input_type);
		9406	return OPACITY;
		9407	}
		9408	if( strcmp(input_type, comment) == 0){
		9409	free(input_type);
		9410	return COMMENT;
		9411	}
		9412	if( strcmp(input_type, fellipse) == 0){
		9413	free(input_type);
		9414	use_filled = TRUE;
		9415	return ELLIPSE;
8224	bpr	9416	}
9386	schaersvoo	9417	if( strcmp(input_type, clearbutton) == 0 \|\| strcmp(input_type, erase) == 0 \|\| strcmp(input_type, delete) == 0){
7614	schaersvoo	9418	free(input_type);
8146	schaersvoo	9419	return CLEARBUTTON;
7614	schaersvoo	9420	}
		9421	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		9422	free(input_type);
		9423	return TRANSLATION;
		9424	}
		9425	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		9426	free(input_type);
		9427	return KILLTRANSLATION;
		9428	}
		9429	if( strcmp(input_type, rotate) == 0){
		9430	free(input_type);
		9431	return ROTATE;
		9432	}
9907	schaersvoo	9433	if( strcmp(input_type, killrotate) == 0){
		9434	free(input_type);
		9435	return KILLROTATE;
		9436	}
		9437	if( strcmp(input_type, rotationcenter) == 0){
		9438	free(input_type);
		9439	return ROTATION_CENTER;
		9440	}
7785	schaersvoo	9441	if( strcmp(input_type, affine) == 0){
		9442	free(input_type);
		9443	return AFFINE;
		9444	}
		9445	if( strcmp(input_type, killaffine) == 0){
		9446	free(input_type);
		9447	return KILLAFFINE;
		9448	}
7614	schaersvoo	9449	if( strcmp(input_type, slider) == 0 ){
		9450	free(input_type);
		9451	return SLIDER;
		9452	}
8101	schaersvoo	9453	if( strcmp(input_type, killslider) == 0 ){
		9454	free(input_type);
		9455	return KILLSLIDER;
		9456	}
7614	schaersvoo	9457	if( strcmp(input_type, copy) == 0 ){
		9458	free(input_type);
		9459	return COPY;
		9460	}
		9461	if( strcmp(input_type, copyresized) == 0 ){
		9462	free(input_type);
		9463	return COPYRESIZED;
		9464	}
		9465	if( strcmp(input_type, xlogscale) == 0 ){
		9466	free(input_type);
		9467	return XLOGSCALE;
		9468	}
		9469	if( strcmp(input_type, ylogscale) == 0 ){
		9470	free(input_type);
		9471	return YLOGSCALE;
		9472	}
		9473	if( strcmp(input_type, xylogscale) == 0 ){
		9474	free(input_type);
		9475	return XYLOGSCALE;
		9476	}
		9477	if( strcmp(input_type, ylogscale) == 0 ){
		9478	free(input_type);
		9479	return YLOGSCALE;
		9480	}
7735	schaersvoo	9481	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	9482	free(input_type);
7735	schaersvoo	9483	return XLOGBASE;
7614	schaersvoo	9484	}
7735	schaersvoo	9485	if( strcmp(input_type, ylogbase) == 0 ){
		9486	free(input_type);
		9487	return YLOGBASE;
		9488	}
7614	schaersvoo	9489	if( strcmp(input_type, intooltip) == 0 ){
		9490	free(input_type);
		9491	return INTOOLTIP;
		9492	}
9329	schaersvoo	9493	if( strcmp(input_type, popup) == 0 ){
		9494	free(input_type);
		9495	return POPUP;
		9496	}
7614	schaersvoo	9497	if( strcmp(input_type,video) == 0 ){
		9498	free(input_type);
		9499	return VIDEO;
		9500	}
11772	schaersvoo	9501	if( strcmp(input_type,fillall) == 0 ){
		9502	free(input_type);
		9503	return FILLALL;
		9504	}
7614	schaersvoo	9505	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		9506	free(input_type);
		9507	return FLOODFILL;
8224	bpr	9508	}
7614	schaersvoo	9509	if( strcmp(input_type,filltoborder) == 0 ){
		9510	free(input_type);
		9511	return FILLTOBORDER;
8224	bpr	9512	}
7614	schaersvoo	9513	if( strcmp(input_type, replyformat) == 0 ){
		9514	free(input_type);
		9515	return REPLYFORMAT;
		9516	}
		9517	if( strcmp(input_type, pixelsize) == 0 ){
		9518	free(input_type);
		9519	return PIXELSIZE;
		9520	}
		9521	if( strcmp(input_type, setpixel) == 0 ){
		9522	free(input_type);
		9523	return SETPIXEL;
		9524	}
		9525	if( strcmp(input_type, pixels) == 0 ){
		9526	free(input_type);
		9527	return PIXELS;
		9528	}
		9529	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		9530	free(input_type);
		9531	return X_AXIS_STRINGS;
		9532	}
9341	schaersvoo	9533	if( strcmp(input_type, xaxisup) == 0 \|\| strcmp(input_type, xaxistextup) == 0 ){
		9534	free(input_type);
		9535	return X_AXIS_STRINGS_UP;
		9536	}
7614	schaersvoo	9537	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		9538	free(input_type);
		9539	return Y_AXIS_STRINGS;
		9540	}
		9541	if( strcmp(input_type, legend) == 0 ){
		9542	free(input_type);
		9543	return LEGEND;
		9544	}
		9545	if( strcmp(input_type, legendcolors) == 0 ){
		9546	free(input_type);
		9547	return LEGENDCOLORS;
		9548	}
		9549	if( strcmp(input_type, xlabel) == 0 ){
		9550	free(input_type);
		9551	return XLABEL;
		9552	}
		9553	if( strcmp(input_type, ylabel) == 0 ){
		9554	free(input_type);
		9555	return YLABEL;
		9556	}
8370	schaersvoo	9557	if( strcmp(input_type, bezier) == 0 ){
		9558	free(input_type);
		9559	return BEZIER;
		9560	}
7614	schaersvoo	9561	if( strcmp(input_type, animate) == 0 ){
		9562	free(input_type);
		9563	return ANIMATE;
		9564	}
9354	schaersvoo	9565	/* these are bitmap related flydraw commands...must be removed. eventually */
7614	schaersvoo	9566	if( strcmp(input_type, transparent) == 0 ){
		9567	free(input_type);
		9568	return TRANSPARENT;
		9569	}
7877	schaersvoo	9570	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	9571	free(input_type);
		9572	return STATUS;
		9573	}
7784	schaersvoo	9574	if( strcmp(input_type, xsnaptogrid) == 0 ){
		9575	free(input_type);
		9576	return XSNAPTOGRID;
		9577	}
		9578	if( strcmp(input_type, ysnaptogrid) == 0 ){
		9579	free(input_type);
		9580	return YSNAPTOGRID;
		9581	}
8379	schaersvoo	9582	if( strcmp(input_type, snaptogrid) == 0 ){
		9583	free(input_type);
		9584	return SNAPTOGRID;
		9585	}
		9586	if( strcmp(input_type, snaptopoints) == 0 ){
		9587	free(input_type);
		9588	return SNAPTOPOINTS;
		9589	}
9213	schaersvoo	9590	if( strcmp(input_type, snaptofunction) == 0 \|\| strcmp(input_type, snaptofun) == 0 ){
		9591	free(input_type);
		9592	return SNAPTOFUNCTION;
		9593	}
7652	schaersvoo	9594	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	9595	free(input_type);
7652	schaersvoo	9596	return USERINPUT_XY;
		9597	}
8193	schaersvoo	9598	if( strcmp(input_type, userinput_function) == 0 ){
		9599	free(input_type);
		9600	return USERINPUT_FUNCTION;
		9601	}
7663	schaersvoo	9602	if( strcmp(input_type, usertextarea_xy) == 0 ){
		9603	free(input_type);
		9604	return USERTEXTAREA_XY;
		9605	}
8222	schaersvoo	9606	if( strcmp(input_type, userinput) == 0 ){
		9607	free(input_type);
		9608	return USERINPUT;
		9609	}
8105	schaersvoo	9610	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	9611	free(input_type);
8105	schaersvoo	9612	return ANGLE;
		9613	}
8297	schaersvoo	9614	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	9615	free(input_type);
8297	schaersvoo	9616	return FUNCTION_LABEL;
		9617	}
9213	schaersvoo	9618	if( strcmp(input_type, sliderfunction_x) == 0 ){
8297	schaersvoo	9619	free(input_type);
9213	schaersvoo	9620	return SLIDER_X;
		9621	}
		9622	if( strcmp(input_type, sliderfunction_y) == 0 ){
		9623	free(input_type);
		9624	return SLIDER_Y;
		9625	}
		9626	if( strcmp(input_type, multidraw) == 0 ){
		9627	free(input_type);
		9628	return MULTIDRAW;
		9629	}
		9630	if( strcmp(input_type, multistrokeopacity) == 0 ){
		9631	free(input_type);
		9632	return MULTISTROKEOPACITY;
		9633	}
		9634	if( strcmp(input_type, multifillopacity) == 0 ){
		9635	free(input_type);
		9636	return MULTIFILLOPACITY;
		9637	}
		9638	if( strcmp(input_type, multilinewidth) == 0 ){
		9639	free(input_type);
		9640	return MULTILINEWIDTH;
		9641	}
		9642	if( strcmp(input_type, multistrokecolors) == 0 ){
		9643	free(input_type);
		9644	return MULTISTROKECOLORS;
		9645	}
		9646	if( strcmp(input_type, multifill) == 0 ){
		9647	free(input_type);
		9648	return MULTIFILL;
		9649	}
		9650	if( strcmp(input_type, multifillcolors) == 0 ){
		9651	free(input_type);
		9652	return MULTIFILLCOLORS;
		9653	}
		9654	if( strcmp(input_type, multilabel) == 0 ){
		9655	free(input_type);
		9656	return MULTILABEL;
		9657	}
		9658	if( strcmp(input_type, multidash) == 0 ){
		9659	free(input_type);
		9660	return MULTIDASH;
		9661	}
		9662	if( strcmp(input_type, multisnaptogrid) == 0 ){
		9663	free(input_type);
		9664	return MULTISNAPTOGRID;
		9665	}
		9666	if( strcmp(input_type, multiuserinput) == 0 ){
		9667	free(input_type);
		9668	return MULTIUSERINPUT;
		9669	}
9386	schaersvoo	9670	if( strcmp(input_type, parallel) == 0 ){
		9671	free(input_type);
		9672	return PARALLEL;
		9673	}
9289	schaersvoo	9674	if( strcmp(input_type, protractor) == 0 ){
		9675	free(input_type);
		9676	return PROTRACTOR;
		9677	}
		9678	if( strcmp(input_type, ruler) == 0 ){
		9679	free(input_type);
		9680	return RULER;
		9681	}
9386	schaersvoo	9682	if( strcmp(input_type, cursor) == 0 \|\| strcmp(input_type, pointer) == 0 ){
9213	schaersvoo	9683	free(input_type);
9386	schaersvoo	9684	return CURSOR;
		9685	}
		9686	if( strcmp(input_type, sgraph) == 0 ){
		9687	free(input_type);
		9688	return SGRAPH;
		9689	}
		9690	if( strcmp(input_type, jsmath) == 0 ){
		9691	free(input_type);
		9692	return JSMATH;
		9693	}
		9694	if( strcmp(input_type, trace_jscurve) == 0 ){
		9695	free(input_type);
		9696	return TRACE_JSCURVE;
		9697	}
		9698	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		9699	free(input_type);
		9700	return JSCURVE;
		9701	}
		9702	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
		9703	free(input_type);
		9704	return CENTERSTRING;
		9705	}
		9706	if( strcmp(input_type, setlimits) == 0 ){
		9707	free(input_type);
		9708	return SETLIMITS;
		9709	}
		9710	if( strcmp(input_type, xunit) == 0 ){
		9711	free(input_type);
		9712	return XUNIT;
		9713	}
		9714	if( strcmp(input_type, yunit) == 0 ){
		9715	free(input_type);
		9716	return YUNIT;
		9717	}
		9718	if( strcmp(input_type, fill) == 0 ){
		9719	free(input_type);
		9720	return FLOODFILL;
		9721	}
		9722	if( strcmp(input_type, end) == 0){
		9723	free(input_type);
		9724	return END;
		9725	}
		9726	if( strcmp(input_type, blink) == 0 ){
		9727	free(input_type);
		9728	return BLINK;
		9729	}
		9730	if( strcmp(input_type, audio) == 0 ){
		9731	free(input_type);
		9732	return AUDIO;
		9733	}
		9734	if( strcmp(input_type, audioobject) == 0 ){
		9735	free(input_type);
		9736	return AUDIOOBJECT;
		9737	}
		9738	if( strcmp(input_type, patternfill) == 0 ){
		9739	free(input_type);
		9740	return PATTERNFILL;
		9741	}
		9742	if( strcmp(input_type, hatchfill) == 0 ){
		9743	free(input_type);
		9744	return HATCHFILL;
		9745	}
		9746	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
		9747	free(input_type);
		9748	return DIAMONDFILL;
		9749	}
		9750	if( strcmp(input_type, dotfill) == 0 ){
		9751	free(input_type);
		9752	return DOTFILL;
		9753	}
		9754	if( strcmp(input_type, gridfill) == 0 ){
		9755	free(input_type);
		9756	return GRIDFILL;
		9757	}
		9758	if( strcmp(input_type, imagefill) == 0 ){
		9759	free(input_type);
		9760	return IMAGEFILL;
		9761	}
		9762	if( strcmp(input_type, clicktile_colors) == 0 ){
		9763	free(input_type);
		9764	return CLICKTILE_COLORS;
		9765	}
		9766	if( strcmp(input_type, clicktile) == 0 ){
		9767	free(input_type);
		9768	return CLICKTILE;
		9769	}
		9770	if( strcmp(input_type, piechart) == 0 ){
		9771	free(input_type);
		9772	return PIECHART;
		9773	}
9433	schaersvoo	9774	if( strcmp(input_type, boxplot) == 0 ){
		9775	free(input_type);
		9776	return BOXPLOT;
		9777	}
9465	schaersvoo	9778	if( strcmp(input_type, boxplotdata) == 0 ){
9433	schaersvoo	9779	free(input_type);
9465	schaersvoo	9780	return BOXPLOTDATA;
9433	schaersvoo	9781	}
9465	schaersvoo	9782	if( strcmp(input_type, userboxplot) == 0 ){
		9783	free(input_type);
		9784	return USERBOXPLOT;
		9785	}
		9786	if( strcmp(input_type, userboxplotdata) == 0 ){
		9787	free(input_type);
		9788	return USERBOXPLOT;
		9789	}
9386	schaersvoo	9790	if( strcmp(input_type, barchart) == 0 ){
		9791	free(input_type);
		9792	return BARCHART;
		9793	}
		9794	if( strcmp(input_type, linegraph) == 0 ){
		9795	free(input_type);
		9796	return LINEGRAPH;
		9797	}
		9798	if( strcmp(input_type, clock) == 0 ){
		9799	free(input_type);
		9800	return CLOCK;
		9801	}
9427	schaersvoo	9802	if( strcmp(input_type, yerrorbars) == 0 ){
9386	schaersvoo	9803	free(input_type);
9427	schaersvoo	9804	return YERRORBARS;
		9805	}
		9806	if( strcmp(input_type, xerrorbars) == 0 ){
		9807	free(input_type);
		9808	return XERRORBARS;
		9809	}
11006	schaersvoo	9810	if( strcmp(input_type, canvastype) == 0 ){
9427	schaersvoo	9811	free(input_type);
11006	schaersvoo	9812	return CANVASTYPE;
		9813	}
11044	schaersvoo	9814	if( strcmp(input_type, noyaxis) == 0 ){
11006	schaersvoo	9815	free(input_type);
11044	schaersvoo	9816	return NOYAXIS;
		9817	}
		9818	if( strcmp(input_type, noxaxis) == 0 ){
		9819	free(input_type);
		9820	return NOXAXIS;
		9821	}
11767	schaersvoo	9822	if( strcmp(input_type, colorpalette) == 0 ){
11044	schaersvoo	9823	free(input_type);
11767	schaersvoo	9824	return COLORPALETTE;
		9825	}
11802	schaersvoo	9826	if( strcmp(input_type, resetoffset) == 0 ){
11767	schaersvoo	9827	free(input_type);
11802	schaersvoo	9828	return RESETOFFSET;
		9829	}
		9830	if( strcmp(input_type, xyoffset) == 0 ){
		9831	free(input_type);
		9832	return XYOFFSET;
		9833	}
		9834	if( strcmp(input_type, xoffset) == 0 \|\| strcmp(input_type, centered) == 0 ){
		9835	free(input_type);
		9836	return XOFFSET;
		9837	}
11811	schaersvoo	9838	if( strcmp(input_type, yoffset) == 0 ){
11802	schaersvoo	9839	free(input_type);
11811	schaersvoo	9840	return YOFFSET;
		9841	}
		9842	free(input_type);
7614	schaersvoo	9843	ungetc(c,infile);
		9844	return 0;
		9845	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 17583 – Rev 11821