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

Rev	Author	Line No.	Line
7614	schaersvoo	1	/*
		2	27/7/2013 version 0.01
		3	"Inspired" by FLY program: http://martin.gleeson.com/fly
		4	*********************************************************************************
		5	* J.M. Evers 7/2013 *
		6	* This is all just amateur scriblings... So no copyrights. *
		7	* This source code file, and compiled objects derived from it, *
		8	* can be used and distributed without restriction, including for commercial use *
		9	* No warrenty whatsoever *
		10	*********************************************************************************
		11	*/
		12	#include <stdio.h>
		13	#include <stdlib.h>
		14	#include <errno.h>
		15	#include <string.h>
		16	#include <unistd.h>
		17	#include <time.h> /* use for random id's */
		18	#include <math.h>
		19	/*
		20	#include <ctype.h>
		21	11/2013
		22	removed: FreeBSD 9.0 / 9.1 C-lib bug...in chroot it will result in: Undefined symbol "_ThreadRuneLocale" implemented own versions of tolower() / toupper()
		23	Clang is fine (FreeBSD 10.0)
		24	*/
		25
		26	/*
		27	in case svgdraw is in ~/src/Misc/svgdraw
		28	#include "../svgdraw/include/matheval.h"
		29	*/
		30	#include "include/matheval.h"
		31	#include <assert.h>
		32	#include "canvasdraw.h"
7634	schaersvoo	33	#include<sys/stat.h>
7614	schaersvoo	34
		35	/* needed for gettimeofday */
		36	#include <sys/time.h>
		37	#include "canvasmacro.c"
		38	/******************************************************************************
		39	** Internal Functions
		40	******************************************************************************/
		41	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		42	void sync_input(FILE infile);/ proceed with inputfile */
		43	void canvas_error(char *msg);
		44	void add_javascript_functions(int js_functions[], int canvas_root_id);
		45	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		46	int get_token(FILE infile); / read next char until EOL*/
		47	int x2px(double x);
		48	int y2px(double y);
		49	double px2x(int x);
		50	double px2y(int y);
		51	double get_real(FILE infile,int last); / read a values; calculation and symbols allowed */
		52	double get_double(FILE infile , int orientation , int last); /the same as get_real(): but for an unknown amount of data args*/
		53	char str_replace ( const char word, const char sub_word, const char rep_word );
		54	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
		55	char get_string(FILE infile,int last); /* get the string at theend of a command */
		56	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		57	char convert_hex2rgb(char hexcolor);
		58	void add_read_canvas(int reply_format);
		59	void make_js_include(int canvas_root_id);
		60	void check_string_length(int length);/* checks if the length of string argument of command is correct */
		61	FILE *js_include_file;
		62	FILE get_file(int line_number, char **filename);
		63	FILE infile; / will be stdin */
		64	/******************************************************************************
		65	** global
		66	******************************************************************************/
		67	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		68	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		69	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		70	int xsize = 320;
		71	int ysize = 320;
		72	double xmin = 0.0;
		73	double xmax = 320.0;
		74	double ymin = 0.0;
		75	double ymax = 320.0;
		76	double tmax = 2;
		77	double tmin = -2;
		78	/* flag to indicate parsing of line status */
		79	int done = FALSE;
		80	int type; /* eg command number */
		81	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
		82	int use_rotate = FALSE;
		83	int use_translate = FALSE;
		84	int use_filled = FALSE;
		85	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
		86	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		87
		88	/******************************************************************************
		89	** Main Program
		90	******************************************************************************/
		91	int main(int argc, char *argv[]){
		92	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		93	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		94	infile = stdin;/* read flyscript via stdin */
		95	int i,c;
		96	double double_data[MAX_INT+1];
		97	int int_data[MAX_INT+1];
		98	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		99	int use_parametric = FALSE;/* will be reset after parametric plotting */
		100	int use_axis = FALSE;
		101	int use_axis_numbering = FALSE;
		102	int line_width = 1;
		103	int decimals = 2;
		104	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		105	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		106	int drag_type = -1;/* 0,1,2 : xy,x,y */
		107	int use_tooltip = FALSE;
		108	char *tooltip_text = "Click here";
		109	char temp = ""; / */
		110	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		111	char *stroke_color = "255,0,0";
		112	char *fill_color = "0,255,0";
		113	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		114	char *font_color = "#00000";
		115	char *draw_type = "points";
		116	char *fly_font = "normal";
		117	char *input_style = "";
		118	char *flytext = "";
		119	int pixelsize = 1;
		120	int reply_format = 0;
		121	int input_cnt = 0;
		122	int ext_img_cnt = 0;
		123	int font_size = 12;
		124	int dashtype[2] = { 2 , 2 };
		125	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		126	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		127	int arrow_head = 8; /* size in px*/
		128	int crosshair_size = 10; /* size in px*/
		129	int plot_steps = 150;
		130	int found_size_command = 0;
		131	int click_cnt = 1;
		132	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		133	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		134	int use_mouse_coordinates = FALSE;
		135	double angle = 0.0;
		136	int translate_x = 0;
		137	int translate_y = 0;
		138	int clickfillmarge = 20;
		139	int animation_type = 9; /* == object type curve in drag library */
7663	schaersvoo	140	int use_input_xy = 0;
7614	schaersvoo	141	size_t string_length = 0;
		142	double stroke_opacity = 0.8;
		143	double fill_opacity = 0.8;
		144	char *URL = "http://localhost/images";
		145	memset(buffer,'\0',MAX_BUFFER);
		146	void *tmp_buffer = "";
		147
		148	/* default writing a unzipped js-include file into wims getfile directory */
		149	char *w_wims_session = getenv("w_wims_session");
		150	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
		151	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		152	}
		153	int L0=strlen(w_wims_session) + 21;
		154	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		155	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		156	mode_t process_mask = umask(0); /* check if file exists */
		157	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		158	if( result == 0 \|\| errno == EEXIST ){
		159	umask(process_mask); /* be sure to set correct permission */
		160	char *w_session = getenv("w_session");
		161	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		162	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
		163	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 */
		164	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		165	/* now write file into getfile dir*/
		166	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		167	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		168	char location = my_newmem(L2); / create memory to fit string precisely */
		169	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		170	js_include_file = fopen(location,"w");/* open the file location for writing */
		171	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		172	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		173
		174	/* ----------------------------------------------------- */
		175	/* while more lines to process */
		176
		177	while(!finished){
		178	if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
		179	type = get_token(infile);
		180	done = FALSE;
		181	/*
		182	@canvasdraw
		183	@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...)
7749	schaersvoo	184	@General syntax <ul><li>The transparency of all objects can be controlled by command 'opacity [0-255],[0,255]'</il><li>a line based object can be controlled by command 'linewidth int'</li><li>a line based object may be dashed by using keyword 'dashed' before the object command.<br />the dashing type can be controled by command 'dashtype int,int'</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 'filled' before the object command.<br />The fill colour will be the stroke colour...(19/10/2013)<li> a draggable object can be set draggable by a preceding command 'drag x/y/xy'<br />The translation can be read by javascript:read_dragdrop();<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 zoom and will be translated in case of panning</li><li> a 'onclick object' can be set 'clickable' by the preceding keyword 'onclick'<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 (in stead 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.<br />example:<br />size 200,200;xrange -5,5;yrange -5,5;hline 0,0,black;vline 0,0,black<br />plot red,sin(x)<br />drag xy<br />html 0,0,5,-5, &euro; <br />lines green,2,0,2,-2,-2,2,-2,0;rectangle 1,1,4,4,purple;frectangle -1,-1,-4,-4,yellow</li></ul>
7614	schaersvoo	185	*/
		186	switch(type){
		187	case END:
		188	finished = 1;
		189	done = TRUE;
		190	break;
		191	case 0:
		192	sync_input(infile);
		193	break;
		194	case COMMENT:
		195	sync_input(infile);
		196	break;
		197	case EMPTY:
		198	sync_input(infile);
		199	break;
		200	case SIZE:
		201	/*
		202	@size width,height
		203	@set canvas size in pixels
		204	@mandatory first command
7647	schaersvoo	205	@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)
7614	schaersvoo	206	*/
		207	found_size_command = TRUE;
		208	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		209	ysize = (int)(abs(round(get_real(infile,1))));
		210	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		211	xmin = 0;xmax = xsize;
7647	schaersvoo	212	ymin = 0;ymax = ysize;
7614	schaersvoo	213
		214	/*
		215	The sequence in which stuff is finally printed is important !!
		216	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		217	*/
		218	fprintf(stdout,"\n<script type=\"text/javascript\">var wims_status = \"$status\";</script>\n<!-- canvasdraw div and tooltip placeholder, if needed -->\n<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block\"><span id=\"tooltip_placeholder%d\" style=\"display:none\"></span></div>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
		219	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		220	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729	schaersvoo	221	fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		222	var xsize = %d;\
		223	var ysize = %d;\
		224	var canvas_div = document.getElementById(\"canvas_div%d\");\
		225	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;};\
		226	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;};\
7735	schaersvoo	227	function x2px(x){if(use_xlogscale == 0 ){return 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);};};\
		228	function px2x(px){if(use_xlogscale == 0 ){return (Math.round((px(xmax - xmin)/xsize + xmin)precision))/precision;}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);};};\
		229	function px2y(py){if(use_ylogscale == 0 ){return (Math.round((ymax -py(ymax - ymin)/ysize)precision))/precision;}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);};};\
		230	function y2px(y){if(use_ylogscale == 0){return -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);};};\
7729	schaersvoo	231	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		232	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		233	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		234	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) ));};\
		235	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;};\
7735	schaersvoo	236	var xlogbase = 10;\
		237	var ylogbase = 10;\
7729	schaersvoo	238	var use_xlogscale = 0;\
		239	var use_ylogscale = 0;\
		240	var x_strings = null;\
		241	var y_strings = null;\
		242	var use_pan_and_zoom = 0;\
		243	var use_snap_to_grid = 0;\
		244	var xstart = 0;\
		245	var ystart = 0",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	246	/* default add the drag code : nearly always used ...*/
		247	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		248	break;
		249	case XRANGE:
		250	/*
		251	@ xrange xmin,xmax
		252	@ if not given: 0,xsize (eg in pixels)
		253	*/
		254	for(i = 0 ; i<2; i++){
		255	switch(i){
		256	case 0: xmin = get_real(infile,0);break;
		257	case 1: xmax = get_real(infile,1);break;
		258	default: break;
		259	}
		260	}
		261	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		262	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		263	break;
		264	case YRANGE:
		265	/*
		266	@ yrange ymin,ymax
		267	@ if not given 0,ysize (eg in pixels)
		268	*/
		269	for(i = 0 ; i<2; i++){
		270	switch(i){
		271	case 0: ymin = get_real(infile,0);break;
		272	case 1: ymax = get_real(infile,1);break;
		273	default: break;
		274	}
		275	}
		276	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		277	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		278	break;
		279	case TRANGE:
		280	/*
		281	@ trange tmin,tmax
		282	@ default -2,2
		283	*/
		284	use_parametric = TRUE;
		285	for(i = 0 ; i<2; i++){
		286	switch(i){
		287	case 0: tmin = get_real(infile,0);break;
		288	case 1: tmax = get_real(infile,1);break;
		289	default: break;
		290	}
		291	}
		292	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		293	break;
		294	case LINEWIDTH:
		295	/*
		296	@ linewidth int
		297	@ default 1
		298	*/
		299	line_width = (int) (get_real(infile,1));
		300	break;
		301	case ARROWHEAD:
		302	/*
		303	@ arrowhead int
		304	@ default 8 (pixels)
		305	*/
		306	arrow_head = (int) (get_real(infile,1));
		307	break;
		308	case CROSSHAIRSIZE:
		309	/*
		310	@ crosshairsize int
		311	@ default 10 (px)
		312	*/
		313	crosshair_size = (int) (get_real(infile,1));
		314	break;
		315	case CROSSHAIR:
		316	/*
		317	@ crosshair x,y,color
		318	@ draw a single crosshair point at (x;y) in color 'color'
		319	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		320	@ may be set draggable / onclick
		321	*/
		322	for(i=0;i<3;i++){
		323	switch(i){
		324	case 0: double_data[0] = get_real(infile,0);break; /* x */
		325	case 1: double_data[1] = get_real(infile,0);break; /* y */
		326	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		327	decimals = find_number_of_digits(precision);
		328	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\"));\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);
		329	click_cnt++;reset();
		330	break;
		331	default:break;
		332	}
		333	}
		334	break;
		335	case CROSSHAIRS:
		336	/*
		337	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		338	@ draw multiple crosshair points at given coordinates in color 'color'
		339	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		340	@ may be set draggable / onclick individually (!)
		341	*/
		342	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		343	fill_color = stroke_color;
		344	i=0;
		345	while( ! done ){ /* get next item until EOL*/
		346	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		347	if(i%2 == 0 ){
		348	double_data[i] = get_real(infile,0); /* x */
		349	}
		350	else
		351	{
		352	double_data[i] = get_real(infile,1); /* y */
		353	}
		354	i++;
		355	}
		356	decimals = find_number_of_digits(precision);
		357	for(c=0 ; c < i-1 ; c = c+2){
		358	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\"));\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);
		359	click_cnt++;
		360	}
		361	reset();
		362	break;
		363	case POINT:
		364	/*
		365	@ point x,y,color
		366	@ draw a single point at (x;y) in color 'color'
		367	@ use command 'linewidth int' to adust size
		368	@ may be set draggable / onclick
		369	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
		370	*/
		371	for(i=0;i<3;i++){
		372	switch(i){
		373	case 0: double_data[0] = get_real(infile,0);break; /* x */
		374	case 1: double_data[1] = get_real(infile,0);break; /* y */
		375	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		376	decimals = find_number_of_digits(precision);
		377	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family);
		378	click_cnt++;break;
		379	default: break;
		380	}
		381	}
		382	reset();
		383	break;
		384	case POINTS:
		385	/*
7634	schaersvoo	386	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	387	@ draw multiple points at given coordinates in color 'color'
		388	@ use command 'linewidth int' to adust size
		389	@ may be set draggable / onclick individually (!)
		390	*/
		391	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		392	fill_color = stroke_color;
		393	i=0;
		394	while( ! done ){ /* get next item until EOL*/
		395	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		396	if(i%2 == 0 ){
		397	double_data[i] = get_real(infile,0); /* x */
		398	}
		399	else
		400	{
		401	double_data[i] = get_real(infile,1); /* y */
		402	}
		403	i++;
		404	}
		405	decimals = find_number_of_digits(precision);
		406	for(c = 0 ; c < i-1 ; c = c+2){
		407	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\"));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+1],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family);
		408	click_cnt++;
		409	}
		410	reset();
		411	break;
		412	case SEGMENT:
		413	/*
		414	@ segment x1,y1,x2,y2,color
		415	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		416	@ may be set draggable / onclick
		417	*/
		418	for(i=0;i<5;i++) {
		419	switch(i){
		420	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		421	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		422	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		423	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		424	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		425	decimals = find_number_of_digits(precision);
		426	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\"));\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);
		427	click_cnt++;reset();
		428	break;
		429	default: break;
		430	}
		431	}
		432	break;
		433	case LINE:
		434	/*
		435	@ line x1,y1,x2,y2,color
		436	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		437	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		438	@ may be set draggable / onclick
		439	*/
		440	for(i=0;i<5;i++){
		441	switch(i){
		442	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		443	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		444	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		445	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		446	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		447	if( double_data[10] == double_data[12] ){ /* vertical line*/
		448	double_data[1] = xmin;
		449	double_data[3] = ymax;
		450	double_data[0] = double_data[10];
		451	double_data[2] = double_data[10];
		452	}
		453	else
		454	{
		455	if( double_data[11] == double_data[13] ){ /* horizontal line */
		456	double_data[1] = double_data[11];
		457	double_data[3] = double_data[11];
		458	double_data[0] = ymin;
		459	double_data[2] = xmax;
		460	}
		461	else
		462	{
		463	/* m */
		464	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		465	/* q */
		466	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
		467
		468	/xmin,mxmin+q,xmax,mxmax+q/
		469
		470	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		471	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		472	double_data[0] = xmin;
		473	double_data[2] = xmax;
		474	}
		475	}
		476	decimals = find_number_of_digits(precision);
		477	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\"));\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);
		478	click_cnt++;reset();
		479	break;
		480	}
		481	}
		482	break;
		483	case HLINE:
		484	/*
		485	@ hline x,y,color
		486	@ draw a horizontal line through point (x:y) in color 'color'
		487	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		488	@ may be set draggable / onclick
		489	*/
		490	for(i=0;i<3;i++) {
		491	switch(i){
		492	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		493	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		494	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		495	double_data[3] = double_data[1];
		496	decimals = find_number_of_digits(precision);
		497	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\"));\n",click_cnt,onclick,drag_type,decimals,xmin,decimals,xmax,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);
		498	click_cnt++;reset();
		499	break;
		500	}
		501	}
		502	break;
		503	case VLINE:
		504	/*
		505	@ vline x,y,color
		506	@ draw a vertical line through point (x:y) in color 'color'
		507	@ may be set draggable / onclick
		508	*/
		509	for(i=0;i<3;i++) {
		510	switch(i){
		511	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		512	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		513	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		514	double_data[2] = double_data[0];
		515	decimals = find_number_of_digits(precision);
		516	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\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],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);
		517	click_cnt++;reset();
		518	break;
		519	}
		520	}
		521	break;
		522	case SQUARE:
		523	/*
		524	@ square x,y,side,color
		525	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		526	@ use command 'fsquare x,y,side,color' for a filled square
		527	@ use command/keyword 'filled' before command 'square x,y,side,color'
		528	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		529	@ may be set draggable / onclick
		530	*/
		531	for(i=0;i<5;i++){
		532	switch(i){
		533	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		534	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		535	case 2:double_data[2] = get_real(infile,0);
		536	double_data[3] = double_data[2];
		537	break; /* x-values */
		538	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		539	decimals = find_number_of_digits(precision);
		540	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\"));\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,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family);
		541	click_cnt++;reset();
		542	break;
		543	}
		544	}
		545	break;
		546	case ROUNDRECT:
		547	/*
		548	@ roundrect x1,y1,x2,y2,radius,color
		549	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		550	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		551	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		552	@ may be set draggable / onclick
		553	*/
		554	for(i=0;i<6;i++){
		555	switch(i){
		556	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		557	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		558	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		559	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		560	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		561	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		562	decimals = find_number_of_digits(precision);
		563	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\"));\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);
		564	click_cnt++;reset();
		565	break;
		566	}
		567	}
		568	break;
		569	case RECT:
		570	/*
		571	@ rect x1,y1,x2,y2,color
		572	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		573	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		574	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		575	@ may be set draggable / onclick
		576	*/
		577	for(i=0;i<5;i++){
		578	switch(i){
		579	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		580	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		581	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		582	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		583	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		584	decimals = find_number_of_digits(precision);
		585	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\"));\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);
		586	click_cnt++;reset();
		587	break;
		588	}
		589	}
		590	break;
		591	case POLYLINE:
		592	/*
		593	@ polyline color,x1,y1,x2,y2...x_n,y_n
		594	@ may be set draggable / onclick
		595	*/
		596	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		597	i=0;
		598	c=0;
		599	while( ! done ){ /* get next item until EOL*/
		600	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		601	for( c = 0 ; c < 2; c++){
		602	if(c == 0 ){
		603	double_data[i] = get_real(infile,0);
		604	i++;
		605	}
		606	else
		607	{
		608	double_data[i] = get_real(infile,1);
		609	i++;
		610	}
		611	}
		612	}
		613	/* draw path : not closed & not filled */
		614	decimals = find_number_of_digits(precision);
		615	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\"));\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);
		616	click_cnt++;reset();
		617	break;
		618	case POLY:
		619	/*
		620	@ poly color,x1,y1,x2,y2...x_n,y_n
		621	@ draw closed polygon
		622	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		623	@ may be set draggable / onclick
		624	*/
		625	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		626	i=0;
		627	c=0;
		628	while( ! done ){ /* get next item until EOL*/
		629	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		630	for( c = 0 ; c < 2; c++){
		631	if(c == 0 ){
		632	double_data[i] = get_real(infile,0);
		633	i++;
		634	}
		635	else
		636	{
		637	double_data[i] = get_real(infile,1);
		638	i++;
		639	}
		640	}
		641	}
		642	/* draw path : closed & optional filled */
		643	decimals = find_number_of_digits(precision);
		644	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\"));\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);
		645	click_cnt++;reset();
		646	break;
		647	case ARC:
		648	/*
		649	@ arc xc,yc,width,height,start_angle,end_angle,color
		650	@ can not be set "onclick" or "drag xy"
		651	@ attention: width == height == radius in pixels)
		652	*/
		653	for(i=0;i<7;i++){
		654	switch(i){
		655	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		656	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		657	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		658	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		659	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		660	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		661	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		662	/* in Shape library:
		663	x[0] = x[1] = xc
		664	y[0] = y[1] = yc
		665	w[0] = w[1] = radius = width = height
		666	h[0] = start_angle ; h[1] = end_engle
		667	*/
		668	decimals = find_number_of_digits(precision);
		669	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,12,[%.f,%.f],[%.f,%.f],[%d,%d],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],int_data[0],int_data[0],decimals,double_data[2],decimals,double_data[3],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);
		670	reset();
		671	break;
		672	}
		673	}
		674	break;
		675	case ELLIPSE:
		676	/*
		677	@ ellipse xc,yc,radius_x,radius_y,color
		678	@ a ellipse with center xc/yc in x/y-range
		679	@ radius_x and radius_y are in pixels
		680	@ may be set draggable / onclick
		681	@ will shrink / expand on zoom out / zoom in
		682	*/
		683	for(i=0;i<5;i++){
		684	switch(i){
		685	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		686	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		687	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
		688	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
		689	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		690	decimals = find_number_of_digits(precision);
		691	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\"));\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);
		692	click_cnt++;reset();
		693	break;
		694	}
		695	}
		696	break;
		697	case DASHTYPE:
		698	/*
		699	@ dashtype int ,int
		700	@ When dashed is set, the objects will be drawn with this dashtyp
		701	@ default value "dashtype 2,2"
		702	*/
		703	for(i=0;i<2;i++){
		704	switch(i){
		705	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		706	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		707	}
		708	}
		709	break;
		710	case CIRCLE:
		711	/*
		712	@ circle xc,yc,width (2*r in pixels),color
		713	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		714	@ use command 'fillcolor color' to set the fillcolor
		715	@ may be set draggable / onclick
		716	@ will shrink / expand on zoom out / zoom in
		717	*/
		718	for(i=0;i<4;i++){
		719	switch(i){
		720	case 0: double_data[0] = get_real(infile,0);break; /* x */
		721	case 1: double_data[1] = get_real(infile,0);break; /* y */
		722	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		723	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		724	decimals = find_number_of_digits(precision);
		725	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\"));\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);
		726	click_cnt++;reset();
		727	break;
		728	}
		729	}
		730	break;
		731	case RAYS:
		732	/*
		733	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		734	@ draw rays in color 'color' and center (xc:yc)
		735	@ may be set draggable or onclick (the complete object, not an indiviual ray !)
		736	*/
		737	stroke_color=get_color(infile,0);
		738	i=0;
		739	while( ! done ){ /* get next until EOL*/
		740	if(i > MAX_INT - 1){canvas_error("to much rays in argument: repeat command multiple times to fit");}
		741	if( i > 3){
		742	double_data[i++] = double_data[0];
		743	double_data[i++] = double_data[1];
		744	}
		745	for(c=0; c<=1 ;c++){ /* switch x2px / y2px */
		746	double_data[i++]= get_double(infile,c,1);
		747	}
		748	}
		749	decimals = find_number_of_digits(precision);
		750	for(c=0; c<i;c = c+4){
		751	click_cnt++;
		752	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\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[c+2],decimals,double_data[0],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);
		753	}
		754	reset();
		755	break;
		756	case ARROW:
		757	/*
		758	@ arrow x1,y1,x2,y2,h,color
		759	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		760	@ use command 'linewidth int' to adjust thickness of the arrow
		761	@ may be set draggable / onclick
		762	*/
		763	for(i=0;i<6;i++){
		764	switch(i){
		765	case 0: double_data[0] = get_real(infile,0);break; /* x */
		766	case 1: double_data[1] = get_real(infile,0);break; /* y */
		767	case 2: double_data[2] = get_real(infile,0);break; /* x */
		768	case 3: double_data[3] = get_real(infile,0);break; /* y */
		769	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		770	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		771	decimals = find_number_of_digits(precision);
		772	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\"));\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);
		773	click_cnt++;
		774	reset();
		775	break;
		776	}
		777	}
		778	break;
		779	case ARROW2:
		780	/*
		781	@ arrow2 x1,y1,x2,y2,h,color
		782	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		783	@ use command 'arrowhead int' to adjust the arrow head size
		784	@ use command 'linewidth int' to adjust thickness of the arrow
		785	@ may be set draggable / onclick
		786	*/
		787	for(i=0;i<6;i++){
		788	switch(i){
		789	case 0: double_data[0] = get_real(infile,0);break; /* x */
		790	case 1: double_data[1] = get_real(infile,0);break; /* y */
		791	case 2: double_data[2] = get_real(infile,0);break; /* x */
		792	case 3: double_data[3] = get_real(infile,0);break; /* y */
		793	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		794	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		795	decimals = find_number_of_digits(precision);
		796	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\"));\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);
		797	click_cnt++;reset();
		798	break;
		799	}
		800	}
		801	break;
		802	case PARALLEL:
		803	/*
		804	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
		805	@ can not be set "onclick" or "drag xy"
		806	*/
		807	for( i = 0;i < 8; i++ ){
		808	switch(i){
		809	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		810	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		811	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		812	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		813	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		814	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		815	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		816	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		817	decimals = find_number_of_digits(precision);
		818	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\"));\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);
		819	click_cnt++;reset();
		820	break;
		821	default: break;
		822	}
		823	}
		824	break;
		825	case TRIANGLE:
		826	/*
		827	@triangle x1,y1,x2,y2,x3,y3,color
		828	@may be set draggable / onclic
		829	*/
		830	for(i=0;i<7;i++){
		831	switch(i){
		832	case 0: double_data[0] = get_real(infile,0);break; /* x */
		833	case 1: double_data[1] = get_real(infile,0);break; /* y */
		834	case 2: double_data[2] = get_real(infile,0);break; /* x */
		835	case 3: double_data[3] = get_real(infile,0);break; /* y */
		836	case 4: double_data[4] = get_real(infile,0);break; /* x */
		837	case 5: double_data[5] = get_real(infile,0);break; /* y */
		838	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		839	decimals = find_number_of_digits(precision);
		840	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\"));\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);
		841	click_cnt++;reset();
		842	break;
		843	default: break;
		844	}
		845	}
		846	break;
		847	case LATTICE:
		848	/*
		849	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
		850	@can not be set "onclick" or "drag xy"
		851	*/
		852	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		853	for( i = 0; i<9; i++){
		854	switch(i){
		855	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		856	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		857	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		858	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		859	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		860	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		861	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		862	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		863	case 8: stroke_color=get_color(infile,1);
		864	decimals = find_number_of_digits(precision);
		865	string_length = snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
		866	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		867	snprintf(tmp_buffer,string_length,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
		868	add_to_buffer(tmp_buffer);
		869	break;
		870	default:break;
		871	}
		872	}
		873	reset();
		874	break;
		875	case SNAPTOGRID:
		876	/*
		877	@ snaptogrid
		878	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		879	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7634	schaersvoo	880	@ if xminor / yminor is defined, the drawing will snap to xminor/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 />
7614	schaersvoo	881	*/
7654	schaersvoo	882	fprintf(js_include_file,"\nuse_snap_to_grid = 1;var snap_x = 1;var snap_y = 1;\nfunction snap_to_x(x){return x2px(snap_x(Math.round((px2x(x))/snap_x)));};function snap_to_y(y){return y2px(snap_y(Math.round((px2y(y))/snap_y)));;};\n");
7614	schaersvoo	883	break;
7663	schaersvoo	884	case USERTEXTAREA_XY:
		885	/*
		886	@ usertextarea_xy
		887	@ keyword
		888	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
		889	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
		890	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		891	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
		892	@ user drawings will not zoom on zooming (or pan on panning)
		893	*/
7749	schaersvoo	894	if(use_tooltip == TRUE){canvas_error("usertextarea_xy can not be combined with intooltip command");}
		895	if( use_input_xy == 1 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		896	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		897	use_input_xy = 2;
		898	break;
7652	schaersvoo	899	case USERINPUT_XY:
		900	/*
		901	@ userinput_xy
		902	@ keyword
		903	@ to be used in combination with command "userdraw object_type,color"
		904	@ 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)
		905	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	906	@ 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.
7652	schaersvoo	907	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7653	schaersvoo	908	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	909	*/
7749	schaersvoo	910	if(use_tooltip == TRUE){canvas_error("userinput_xy can not be combined with intooltip command");}
		911	/* add simple eval check to avoid code injection with unprotected eval(string) */
		912	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		913	use_input_xy = 1;
		914	break;
7614	schaersvoo	915	case USERDRAW:
		916	/*
		917	@ userdraw object_type,color
7663	schaersvoo	918	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrows</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li></ul>
7614	schaersvoo	919	@ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
		920	@ note: object_type text: Any string or multiple strings may be placed anywhere on the canvas.<br />while typing the background of every typed char will be lightblue..."backspace / delete / esc" will remove typed text.<br />You will need to hit "enter" to add the text to the array "userdraw_txt()" : lightblue background will disappear<br />Placing the cursor somewhere on a typed text and hitting "delete/backspace/esc" , a confirm will popup asking to delete the selected text.This text will be removed from the "userdraw_txt()" answer array.<br />Use commands 'fontsize' and 'fontfamily' to control the text appearance
		921	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
		922	@ note: all objects will be removed -after a javascript confirm box- when clicked on an object point with middle or right mouse butten (e.g. event.which != 1 : all buttons but left)
		923	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
		924	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
		925	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		926	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7663	schaersvoo	927	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	928	@ 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.!
7614	schaersvoo	929	*/
		930	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		931	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		932	}
		933	use_userdraw = TRUE;
7653	schaersvoo	934	fprintf(js_include_file,"<!-- begin userdraw mouse events -->\nvar userdraw_x = new Array();var userdraw_y = new Array();var userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};if(wims_status != \"done\"){canvas_div.addEventListener(\"mousedown\",user_draw,false);canvas_div.addEventListener(\"mousemove\",user_drag,false);canvas_div.addEventListener(\"touchstart\",user_draw,false);canvas_div.addEventListener(\"touchmove\",user_drag,false);}\n<!-- end userdraw mouse events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614	schaersvoo	935	draw_type = get_string_argument(infile,0);
		936	stroke_color = get_color(infile,1);
		937	if( strcmp(draw_type,"point") == 0 ){
		938	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		939	if(reply_format < 1 ){reply_format = 8;}
		940	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652	schaersvoo	941	if(use_input_xy == 1){
		942	add_input_circle(js_include_file,1,1);
		943	add_input_xy(js_include_file,canvas_root_id);
		944	}
7614	schaersvoo	945	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);
		946	}
		947	else
		948	if( strcmp(draw_type,"points") == 0 ){
		949	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		950	if(reply_format < 1 ){reply_format = 8;}
		951	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652	schaersvoo	952	if(use_input_xy == 1){
		953	add_input_circle(js_include_file,1,2);
		954	add_input_xy(js_include_file,canvas_root_id);
		955	}
7614	schaersvoo	956	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);
		957	}
		958	else
		959	if( strcmp(draw_type,"segment") == 0 ){
		960	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		961	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		962	if(reply_format < 1){reply_format = 11;}
7652	schaersvoo	963	if(use_input_xy == 1){
		964	add_input_segment(js_include_file,1);
		965	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		966	}
7614	schaersvoo	967	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		968	}
		969	else
7663	schaersvoo	970	if( strcmp(draw_type,"polyline") == 0 ){
		971	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	972	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	973	if( use_input_xy == 1 ){
		974	add_input_polyline(js_include_file);
		975	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	976	}
		977	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		978	}
		979	else
7614	schaersvoo	980	if( strcmp(draw_type,"segments") == 0 ){
		981	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		982	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		983	if(reply_format < 1){reply_format = 11;}
7652	schaersvoo	984	if(use_input_xy == 1){
		985	add_input_segment(js_include_file,2);
		986	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		987	}
7614	schaersvoo	988	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		989	}
		990	else
		991	if( strcmp(draw_type,"circle") == 0 ){
		992	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		993	if(reply_format < 1){reply_format = 10;}
		994	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7652	schaersvoo	995	if(use_input_xy == 1){
		996	add_input_circle(js_include_file,2,1);
		997	add_input_xyr(js_include_file,canvas_root_id);
		998	}
7614	schaersvoo	999	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]);
		1000	}
		1001	else
		1002	if( strcmp(draw_type,"circles") == 0 ){
		1003	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1004	if(reply_format < 1){reply_format = 10;}
		1005	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1006	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]);
7652	schaersvoo	1007	if(use_input_xy == 1){
		1008	add_input_circle(js_include_file,2,2);
		1009	add_input_xyr(js_include_file,canvas_root_id);
		1010	}
7614	schaersvoo	1011	}
		1012	else
		1013	if(strcmp(draw_type,"crosshair") == 0 ){
		1014	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1015	if(reply_format < 1){reply_format = 8;}
		1016	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1017	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654	schaersvoo	1018	if(use_input_xy == 1){
		1019	add_input_crosshair(js_include_file,1);
		1020	add_input_xy(js_include_file,canvas_root_id);
		1021	}
7614	schaersvoo	1022	}
		1023	else
		1024	if(strcmp(draw_type,"crosshairs") == 0 ){
		1025	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1026	if(reply_format < 1){reply_format = 8;}
		1027	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1028	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654	schaersvoo	1029	if(use_input_xy == 1){
		1030	add_input_crosshair(js_include_file,2);
		1031	add_input_xy(js_include_file,canvas_root_id);
		1032	}
7614	schaersvoo	1033	}
		1034	else
		1035	if(strcmp(draw_type,"freehandline") == 0 ){
		1036	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1037	if(reply_format < 1){reply_format = 6;}
		1038	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	1039	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1040	}
		1041	else
		1042	if(strcmp(draw_type,"freehandlines") == 0 ){
		1043	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1044	if(reply_format < 1){reply_format = 6;}
		1045	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	1046	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1047	}
		1048	else
		1049	if(strcmp(draw_type,"path") == 0 ){
		1050	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1051	if(reply_format < 1){reply_format = 6;}
		1052	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	1053	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1054	}
		1055	else
		1056	if(strcmp(draw_type,"paths") == 0 ){
		1057	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1058	if(reply_format < 1){reply_format = 6;}
		1059	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	1060	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1061	}
		1062	else
		1063	if(strcmp(draw_type,"arrows") == 0 ){
		1064	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1065	if(reply_format < 1){reply_format = 11;}
		1066	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654	schaersvoo	1067	if(use_input_xy == 1){
		1068	add_input_arrow(js_include_file,2);
		1069	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1070	}
7614	schaersvoo	1071	}
		1072	else
		1073	if(strcmp(draw_type,"arrow") == 0 ){
		1074	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1075	if(reply_format < 1){reply_format = 11;}
		1076	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654	schaersvoo	1077	if(use_input_xy == 1){
		1078	add_input_arrow(js_include_file,1);
		1079	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1080	}
7614	schaersvoo	1081	}
		1082	else
		1083	if(strcmp(draw_type,"polygon") == 0){
		1084	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1085	if(reply_format < 1){reply_format = 2;}
		1086	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]);
7780	schaersvoo	1087	if( use_input_xy == 2 ){
		1088	add_textarea_polygon(js_include_file);
		1089	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1090	}
7614	schaersvoo	1091	}
		1092	else
		1093	if(strncmp(draw_type,"poly",4) == 0){
		1094	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1095	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1096	if(reply_format < 1){reply_format = 2;}
		1097	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	1098	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1099	}
		1100	else
		1101	if(strcmp(draw_type,"triangle") == 0){
		1102	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1103	if(reply_format < 1){reply_format = 2;}
		1104	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	1105	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1106	}
		1107	else
		1108	if( strcmp(draw_type,"line") == 0 ){
		1109	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1110	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1111	if(reply_format < 1){reply_format = 11;}
		1112	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1113	if( use_input_xy == 1 ){
7780	schaersvoo	1114	add_input_line(js_include_file,1);
7747	schaersvoo	1115	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1116	}
7614	schaersvoo	1117	}
		1118	else
		1119	if( strcmp(draw_type,"lines") == 0 ){
		1120	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1121	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1122	if(reply_format < 1){reply_format = 11;}
		1123	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1124	if( use_input_xy == 1 ){
7780	schaersvoo	1125	add_input_line(js_include_file,2);
7747	schaersvoo	1126	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1127	}
7614	schaersvoo	1128	}
		1129	else
		1130	if( strcmp(draw_type,"rects") == 0){
		1131	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1132	if(reply_format < 1){reply_format = 2;}
		1133	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	1134	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1135	}
		1136	else
		1137	if( strcmp(draw_type,"roundrects") == 0){
		1138	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1139	if(reply_format < 1){reply_format = 2;}
		1140	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	1141	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1142	}
		1143	else
		1144	if( strcmp(draw_type,"rect") == 0){
		1145	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1146	if(reply_format < 1){reply_format = 2;}
		1147	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	1148	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1149	}
		1150	else
		1151	if( strcmp(draw_type,"roundrect") == 0){
		1152	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1153	if(reply_format < 1){reply_format = 2;}
		1154	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	1155	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1156	}
		1157	else
		1158	if( strcmp(draw_type,"text") == 0){
		1159	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		1160	if(reply_format < 1){reply_format = 17;}
		1161	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
7652	schaersvoo	1162	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1163	}
		1164	else
		1165	{
		1166	canvas_error("unknown drawtype or typo? ");
		1167	}
		1168	reset();
		1169	break;
		1170	case PLOTSTEPS:
		1171	/*
		1172	@ plotsteps a_number
		1173	@ default 150
		1174	@ use with care !
		1175	*/
		1176	plot_steps = (int) (get_real(infile,1));
		1177	break;
		1178	case FONTSIZE:
		1179	/*
		1180	@fontsize font_size
		1181	@default value 12
		1182	*/
		1183	font_size = (int) (get_real(infile,1));
		1184	break;
		1185	case FONTCOLOR:
		1186	/*
		1187	@fontcolor color
		1188	@color: hexcolor or colorname
		1189	@default: black
		1190	@example usage: x/y-axis text
		1191	*/
		1192	font_color = get_color(infile,1);
		1193	break;
		1194	case ANIMATE:
		1195	/*
		1196	@animate type
		1197	@type may be "point" (nothing else , yet...)
		1198	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1199	@will animate a point on the next plot/curve command
		1200	@the curve will not be draw
		1201	@moves repeatedly from xmin to xmax
		1202	*/
		1203	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1204	break;
		1205	case CURVE:
		1206	/*
		1207	@curve color,formula(x)
		1208	@plot color,formula(x)
		1209	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1210	@use command "precision" to increase the number of digits of the plotted points
		1211	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1212	@may be set draggable / onclick
		1213	*/
		1214	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1215	use_parametric = FALSE;
		1216	stroke_color = get_color(infile,0);
		1217	char *fun1 = get_string_argument(infile,0);
		1218	char *fun2 = get_string_argument(infile,1);
		1219	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
		1220	use_parametric = FALSE;
		1221	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\"));\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);
		1222	click_cnt++;
		1223	}
		1224	else
		1225	{
		1226	stroke_color = get_color(infile,0);
		1227	char *fun1 = get_string_argument(infile,1);
		1228	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1229	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\"));\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);
		1230	click_cnt++;
		1231	}
		1232	animation_type = 9;/* rest to curve plotting without animation */
		1233	reset();
		1234	break;
		1235	case FLY_TEXT:
		1236	/*
		1237	@ text fontcolor,x,y,font,text_string
		1238	@ font may be described by keywords : giant,huge,normal,small,tiny
		1239	@ use command 'fontsize' to increase base fontsize for the keywords
		1240	@ may be set "onclick" or "drag xy"
		1241	@ backwards compatible with flydraw
		1242	@ unicode supported: text red,0,0,huge,\\u2232
		1243	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1244	@ 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 rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
		1245	*/
		1246	for(i = 0; i < 5 ;i++){
		1247	switch(i){
		1248	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1249	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1250	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1251	case 3: fly_font = get_string_argument(infile,0);
		1252	if(strcmp(fly_font,"giant") == 0){
		1253	font_size = (int)(font_size + 24);
		1254	}
		1255	else
		1256	{
		1257	if(strcmp(fly_font,"huge") == 0){
		1258	font_size = (int)(font_size + 14);
		1259	}
		1260	else
		1261	{
		1262	if(strcmp(fly_font,"large") == 0){
		1263	font_size = (int)(font_size + 6);
		1264	}
		1265	else
		1266	{
		1267	if(strcmp(fly_font,"small") == 0){
		1268	font_size = (int)(font_size - 4);
		1269	if(font_size<0){font_size = 8;}
		1270	}
		1271	}
		1272	}
		1273	}
		1274	break; /* font_size ! */
		1275	case 4:
		1276	temp = get_string_argument(infile,1);
		1277	decimals = find_number_of_digits(precision);
		1278	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,%d,\"%s\",%d,\"%s\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family);
		1279	click_cnt++;reset();break;
		1280	default:break;
		1281	}
		1282	}
		1283	break;
		1284	case FLY_TEXTUP:
		1285	/*
		1286	@ textup fontcolor,x,y,font,text_string
		1287	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1288	@ font may be described by keywords : giant,huge,normal,small,tiny
		1289	@ use command 'fontsize' to increase base fontsize for the keywords
		1290	@ backwards compatible with flydraw
		1291	@ unicode supported: textup red,0,0,huge,\\u2232
		1292	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1293	@ 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 rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
		1294	*/
		1295	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		1296	for(i = 0; i<5 ;i++){
		1297	switch(i){
		1298	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1299	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1300	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1301	case 3: fly_font = get_string_argument(infile,0);
		1302	if(strcmp(fly_font,"giant") == 0){
		1303	font_size = (int)(font_size + 24);
		1304	}
		1305	else
		1306	{
		1307	if(strcmp(fly_font,"huge") == 0){
		1308	font_size = (int)(font_size + 14);
		1309	}
		1310	else
		1311	{
		1312	if(strcmp(fly_font,"large") == 0){
		1313	font_size = (int)(font_size + 6);
		1314	}
		1315	else
		1316	{
		1317	if(strcmp(fly_font,"small") == 0){
		1318	font_size = (int)(font_size - 4);
		1319	if(font_size<0){font_size = 8;}
		1320	}
		1321	}
		1322	}
		1323	}
		1324	break; /* font_size ! */
		1325	case 4:
		1326	decimals = find_number_of_digits(precision);
		1327	temp = get_string_argument(infile,1);
		1328	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
		1329	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1330	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
		1331	add_to_buffer(tmp_buffer);
		1332	break;
		1333	default:break;
		1334	}
		1335	}
		1336	reset();
		1337	break;
		1338	case FONTFAMILY:
		1339	/*
		1340	@ fontfamily font_description
		1341	@ set the font family; for browsers that support it
		1342	@ font_description: Ariel ,Courier, Helvetica etc
		1343	@ 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
		1344	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1345	*/
		1346	font_family = get_string(infile,1);
		1347	break;
		1348	case STRINGUP:
		1349	/*
		1350	@ stringup color,x,y,rotation_degrees,the text string
		1351	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1352	@ unicode supported: stringup red,0,0,45,\\u2232
		1353	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1354
		1355	*/
		1356	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1357	for(i=0;i<6;i++){
		1358	switch(i){
		1359	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1360	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1361	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1362	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1363	case 4: decimals = find_number_of_digits(precision);
		1364	temp = get_string_argument(infile,1);
		1365	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%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_translate,translate_x,translate_y);
		1366	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1367	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%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_translate,translate_x,translate_y);
		1368	add_to_buffer(tmp_buffer);
		1369	break;
		1370	default:break;
		1371	}
		1372	}
		1373	reset();
		1374	break;
		1375	case STRING:
		1376	/*
		1377	@ string color,x,y,the text string
		1378	@ may be set "onclick" or "drag xy"
		1379	@ unicode supported: string red,0,0,\\u2232
		1380	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
		1381	*/
		1382	for(i=0;i<5;i++){
		1383	switch(i){
		1384	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1385	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1386	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1387	case 3: decimals = find_number_of_digits(precision);
		1388	temp = get_string_argument(infile,1);
		1389	decimals = find_number_of_digits(precision);
		1390	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,%d,\"%s\",%d,\"%s\"));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family);
		1391	click_cnt++;reset();break;
		1392	break;
		1393	default:break;
		1394	}
		1395	}
		1396	break;
		1397	case MATHML:
		1398	/*
		1399	@ mathml x1,y1,x2,y2,mathml_string
		1400	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
		1401	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1402	@ 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 />attention: if after this mathml-input object other user-interactions are included, these will read mathml too using "read_canvas();"
		1403	@ 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....
7653	schaersvoo	1404
7614	schaersvoo	1405	*/
		1406	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1407	for(i=0;i<5;i++){
		1408	switch(i){
		1409	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1410	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1411	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1412	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1413	case 4: decimals = find_number_of_digits(precision);
		1414	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
		1415	temp = get_string(infile,1);
		1416	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1417	string_length = snprintf(NULL,0,"draw_xml(%d,%d,%d,%d,%d,\"%s\",%d);\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp,onclick);
		1418	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1419	snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,%d,%d,\"%s\",%d);\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp,onclick);
		1420	add_to_buffer(tmp_buffer);
		1421	/*
		1422	in case inputs are present , trigger adding the read_mathml()
		1423	if no other reply_format is defined
		1424	note: all other reply types will include a reading of elements with id='mathml'+p)
		1425	*/
		1426	if(strstr(temp,"mathml0") != NULL){
		1427	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1428	}
		1429	break;
		1430	default:break;
		1431	}
		1432	}
		1433	reset();
		1434	break;
		1435	case HTTP:
		1436	/*
		1437	@http x1,y1,x2,y2,http://some_adress.com
		1438	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
		1439	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1440	@can not be 'set onclick' or 'drag xy'
		1441	*/
		1442	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		1443	for(i=0;i<5;i++){
		1444	switch(i){
		1445	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1446	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1447	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1448	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1449	case 4: decimals = find_number_of_digits(precision);
		1450	temp = get_string(infile,1);
		1451	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1452	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);
		1453	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1454	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);
		1455	add_to_buffer(tmp_buffer);
		1456	break;
		1457	}
		1458	}
		1459	reset();
		1460	break;
		1461	case HTML:
		1462	/*
		1463	@ html x1,y1,x2,y2,html_string
		1464	@ all tags are allowed
		1465	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1466	@ if inputfields are incorporated (with id's : id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_canvas(); <br />If other inputfields (command input / command textarea) or userdraw is performed, these values will NOT be read as well.
		1467
		1468	note: uses the same code as 'mathml'
		1469	*/
		1470	break;
		1471	case X_AXIS_STRINGS:
		1472	/*
		1473	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1474	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1475	@ use these x-axis values in stead of default xmin...xmax
		1476	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1477	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1478	@ 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
		1479	@ example:<br />size 400,400<br />xrange -5pi,5pi<br />yrange -100,500<br />axis<br />xaxis -4pi:-4\\u03c0:-3pi:-3\\u03c0:-2pi:-2\\u03c0:-1pi:-\\u03c0:0:0:pi:\\u03c0:2pi:2\\u03c01:3pi:3\\u03c0:4*pi:4\\u03c0<br />#'xmajor' steps should be synchronised with numbers eg. "1" in this example<br />grid pi,1,grey,1,3,6,grey
		1480	*/
		1481	temp = get_string(infile,1);
		1482	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1483	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1484	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1485	use_axis_numbering = 1;
		1486	break;
		1487	case Y_AXIS_STRINGS:
		1488	/*
		1489	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1490	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1491	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1492	@ use these y-axis values in stead of default ymin...ymax
		1493	@ 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
		1494	*/
		1495	temp = get_string(infile,1);
		1496	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1497	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1498	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1499	use_axis_numbering = 1;
		1500	break;
		1501
		1502	case AXIS_NUMBERING:
		1503	/*
		1504	@ axisnumbering
		1505	@ keyword, no aguments required
		1506	*/
		1507	use_axis_numbering = 1;
		1508	break;
		1509	case AXIS:
		1510	/*
		1511	@ axis
		1512	@ keyword, no aguments required
		1513
		1514	*/
		1515	use_axis = TRUE;
		1516	break;
7654	schaersvoo	1517	case SGRAPH:
		1518	/*
		1519	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1520	@ primitive implementation of a 'broken scale' graph...
		1521	@ not very versatile.
		1522	@ 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
		1523	*/
		1524	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		1525	for(i = 0 ; i < 8 ;i++){
		1526	switch(i){
		1527	case 0:double_data[0] = get_real(infile,0);break;
		1528	case 1:double_data[1] = get_real(infile,0);break;
		1529	case 2:double_data[2] = get_real(infile,0);break;
		1530	case 3:double_data[3] = get_real(infile,0);break;
		1531	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1532	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1533	case 6:stroke_color = get_color(infile,0);break;
		1534	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1535	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);
7654	schaersvoo	1536	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1537	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);
7654	schaersvoo	1538	add_to_buffer(tmp_buffer);
		1539	break;
		1540	default:break;
		1541	}
		1542	}
		1543	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1544	break;
7614	schaersvoo	1545	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1546	/*
		1547	@ grid step_x,step_y,gridcolor
		1548	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1549	@ if keywords "axis" or "axisnumbering" 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
7654	schaersvoo	1550	@ 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)
7614	schaersvoo	1551	@ can not be set "onclick" or "drag xy"
		1552	@ use commands 'xlabel some_string' and/or 'ylabel some_string' to label axis;<br />use command "fontsize" to adjust size (the font family is non-configurable 'italic your_fontsize px Ariel')
		1553	@ see commands "xaxis" or "xaxistext", "yaxis" or "yaxistext" to set tailormade values on axis (the used font is set by command fontfamily; default '12px Ariel')
		1554	@ see command "legend" to set a legend for the graph ;<br />use command "fontsize" to adjust size (the font family is non-configurable 'bold your_fontsize px Ariel')
		1555	*/
7729	schaersvoo	1556	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1557	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1558	for(i=0;i<4;i++){
		1559	switch(i){
		1560	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1561	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1562	case 2:
		1563	if( use_axis == TRUE ){
		1564	stroke_color = get_color(infile,0);
		1565	done = FALSE;
		1566	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1567	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1568	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1569	fill_color = get_color(infile,1); /* used as axis_color*/
		1570	}
		1571	else
		1572	{
		1573	int_data[0] = 1;
		1574	int_data[1] = 1;
		1575	stroke_color = get_color(infile,1);
		1576	fill_color = stroke_color;
		1577	}
		1578	if( double_data[0] <= 0 \|\| double_data[1] <= 0 \|\| int_data[0] <= 0 \|\| int_data[1] <= 0 ){canvas_error("major or minor tickt must be positive !");}
7634	schaersvoo	1579	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1580	fprintf(js_include_file,"snap_x = %f;snap_y = %f\n;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
7614	schaersvoo	1581	/* 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_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){ */
		1582
		1583	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,[%d,%d],%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_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1584	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1585	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,[%d,%d],%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_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1586	add_to_buffer(tmp_buffer);
		1587	break;
		1588	}
		1589	}
		1590	reset();
		1591	break;
		1592	case OPACITY:
		1593	/*
		1594	@ opacity 0-255,0-255
		1595	@
		1596	*/
		1597	for(i = 0 ; i<2;i++){
		1598	switch(i){
		1599	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1600	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1601	default: break;
		1602	}
		1603	}
		1604	if( double_data[0] < 0 \|\| double_data[0] > 255 \|\| double_data[1] < 0 \|\| double_data[1] > 255 ){ canvas_error("opacity [0 - 255] , [0 - 255]");}/* typo or non-RGB ? */
		1605	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1606	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1607	break;
		1608	case ROTATE:
		1609	/*
		1610	@rotate rotation_angle
		1611	@
		1612	*/
		1613	use_rotate = TRUE;
		1614	use_translate = TRUE;
		1615	translate_x = x2px(0);
		1616	translate_y = y2px(0);
		1617	angle = get_real(infile,1);
		1618	break;
		1619	case KILLTRANSLATION:
		1620	/*
		1621	killtranslation
		1622	*/
		1623	break;
		1624	case TRANSLATION:
		1625	/*
		1626	@translation tx,ty
		1627	@
		1628	*/
		1629	use_translate = TRUE;
		1630	translate_x = get_real(infile,0);
		1631	translate_y = get_real(infile,1);
		1632	break;
		1633	case DASHED:
		1634	/*
		1635	@ keyword "dashed"
		1636	@ next object will be drawn with a dashed line
		1637	@ change dashing scheme by using command "dashtype int,int)
		1638	*/
		1639	use_dashed = TRUE;
		1640	break;
		1641	case FILLED:
		1642	/*
		1643	@ keyword "filled"
		1644	@ the next 'fillable' object (only) will be filled
		1645	@ use command "fillcolor color" to set fillcolor
		1646	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1647	@ 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 !
		1648	*/
		1649	use_filled = TRUE;
		1650	break;
		1651	case STYLE:
		1652	/*
		1653	@highlight color,opacity,linewidth
		1654	@ NOT IMPLEMENTED
		1655	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1656	*/
		1657	break;
		1658	case FILLCOLOR:
		1659	/*
		1660	@ fillcolor colorname or #hex
		1661	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1662	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1663	*/
		1664	fill_color = get_color(infile,1);
		1665	break;
		1666	case STROKECOLOR:
		1667	/*
		1668	@ strokecolor colorname or #hex
		1669	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1670	*/
		1671	stroke_color = get_color(infile,1);
		1672	break;
		1673	case BGIMAGE:
		1674	/*
		1675	@bgimage image_location
		1676	@use an image as background .<br />(we use the background of 'canvas_div' )
		1677	@the background image will be resized to match "width = xsize" and "height = ysize"
		1678	*/
		1679	URL = get_string(infile,1);
		1680	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);
		1681	break;
		1682	case BGCOLOR:
		1683	/*
		1684	@bgcolor colorname or #hex
		1685	@use this color as background of the "div" containing the canvas(es)
		1686	*/
		1687	/* [255,255,255]*/
		1688	bgcolor = get_string(infile,1);
		1689	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1690	int found = 0;
		1691	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1692	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1693	bgcolor = colors[i].hex;
		1694	found = 1;
		1695	break;
		1696	}
		1697	}
		1698	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1699	}
		1700	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1701	break;
		1702	case COPY:
		1703	/*
		1704	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1705	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1706	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
		1707	@ [filename] is the URL of the image
		1708	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1709	@ if command 'drag x/y/xy' 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 valuid for the next image<br />draggable / non-draggable images may be mixed
		1710	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1711
		1712	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1713	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1714	*/
		1715	for(i = 0 ; i<7;i++){
		1716	switch(i){
		1717	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1718	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1719	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1720	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1721	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1722	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1723	case 6: URL = get_string(infile,1);
		1724	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1725	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1726	if( drag_type > -1 ){
		1727	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1728	if(reply_format < 1 ){reply_format = 20;}
		1729	string_length = snprintf(NULL,0,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,1);
		1730	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1731	snprintf(tmp_buffer,string_length,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,1);
		1732	drag_type = -1;
		1733	ext_img_cnt++;
		1734	}
		1735	else
		1736	{
		1737	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1738	/*
		1739	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1740	*/
		1741	string_length = snprintf(NULL,0,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\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]);
		1742	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1743	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\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]);
		1744	}
		1745	add_to_buffer(tmp_buffer);
		1746	break;
		1747	default: break;
		1748	}
		1749	}
		1750	reset();
		1751	break;
		1752	/*
		1753	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1754	img Specifies the image, canvas, or video element to use
		1755	sx The x coordinate where to start clipping : x1 = int_data[0]
		1756	sy The y coordinate where to start clipping : x2 = int_data[1]
		1757	swidth The width of the clipped image : int_data[2] - int_data[0]
		1758	sheight The height of the clipped image : int_data[3] - int_data[1]
		1759	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1760	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1761	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1762	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1763	*/
		1764	case COPYRESIZED:
		1765	/*
		1766	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
		1767	@ 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
		1768	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1769	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1770	@ if command 'drag x/y/xy' 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 valuid for the next image<br />draggable / non-draggable images may be mixed
		1771	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1772	*/
		1773	for(i = 0 ; i<9;i++){
		1774	switch(i){
		1775	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1776	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1777	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1778	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1779	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1780	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1781	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1782	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1783	case 8: URL = get_string(infile,1);
		1784	if( drag_type > -1 ){
		1785	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1786	if(reply_format < 1 ){reply_format = 20;}
		1787	string_length = snprintf(NULL,0,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,1);
		1788	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1789	snprintf(tmp_buffer,string_length,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,1);
		1790	drag_type = -1;
		1791	ext_img_cnt++;
		1792	}
		1793	else
		1794	{
		1795	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1796	string_length = snprintf(NULL,0,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\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]);
		1797	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1798	snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\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]);
		1799	}
		1800	add_to_buffer(tmp_buffer);
		1801	default: break;
		1802	}
		1803	}
		1804	reset();
		1805	break;
		1806	case BUTTON:
		1807	/*
		1808	button x,y,value
		1809	*/
		1810	break;
		1811	case INPUTSTYLE:
		1812	/*
		1813	@ inputstyle style_description
		1814	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1815	*/
		1816	input_style = get_string(infile,1);
		1817	break;
		1818	case INPUT:
		1819	/*
		1820	@ input x,y,size,editable,value
		1821	@ to set inputfield "readonly", use editable = 0
		1822	@ only active inputfields (editable = 1) will be read with read_canvas();
		1823	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1824	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1825	*/
		1826	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		1827	for(i = 0 ; i<5;i++){
		1828	switch(i){
		1829	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1830	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1831	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1832	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1833	case 4:
		1834	temp = get_string_argument(infile,1);
		1835	string_length = snprintf(NULL,0, "draw_inputs(%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],input_style,temp);
		1836	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1837	snprintf(tmp_buffer,string_length,"draw_inputs(%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],input_style,temp);
		1838	add_to_buffer(tmp_buffer);
		1839	input_cnt++;break;
		1840	default: break;
		1841	}
		1842	}
		1843	if(reply_format < 1 ){reply_format = 15;}
		1844	reset();
		1845	break;
		1846	case TEXTAREA:
		1847	/*
		1848	@ textarea x,y,cols,rows,readonly,value
		1849	@ may be further controlled by "inputstyle"
		1850	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1851	*/
		1852	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		1853	for(i = 0 ; i<6;i++){
		1854	switch(i){
		1855	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1856	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1857	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1858	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1859	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1860	case 5: temp = get_string_argument(infile,1);
		1861	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);
		1862	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1863	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);
		1864	add_to_buffer(tmp_buffer);
		1865	input_cnt++;break;
		1866	default: break;
		1867	}
		1868	}
		1869	if(reply_format < 1 ){reply_format = 15;}
		1870	reset();
		1871	break;
		1872	case MOUSE_PRECISION:
		1873	/*
		1874	@ precision int
		1875	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1876	@ may be used / changed before every object
		1877	*/
		1878	precision = (int) (get_real(infile,1));
		1879	break;
		1880	case ZOOM:
		1881	/*
		1882	@ zoom button_color
		1883	@ introduce a controlpanel at the lower right corner
		1884	@ giving six 15x15pixel 'active' rectangle areas<br />(for x,leftarrow,rightarrow,uparrow,downarrow and a '-' and a '+' sign ) for zooming and/or panning of the image
		1885	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		1886	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
		1887	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		1888	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		1889	@ 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 !!
		1890	*/
7653	schaersvoo	1891	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7614	schaersvoo	1892	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		1893	/* we use BG_CANVAS (0) */
		1894	stroke_color = get_color(infile,1);
7653	schaersvoo	1895	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1896	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	1897	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1898	add_to_buffer(tmp_buffer);
		1899	done = TRUE;
		1900	break;
		1901	case ONCLICK:
		1902	/*
		1903	@ onclick
		1904	@ keyword, no arguments
		1905	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
		1906	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
		1907	@ NOTE: not all objects may be set clickable
		1908	*/
		1909
		1910	onclick = 1;
		1911	break;
		1912	case DRAG:
		1913	/*
		1914	@ drag [x][y][xy]
		1915	@ the next object will be draggable in x / y / xy direction
		1916	@ the displacement can be read by 'javascript:read_dragdrop();'
		1917	@ 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.
		1918	@ 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 !!
		1919	*/
		1920	temp = get_string(infile,1);
		1921	if(strstr(temp,"xy") != NULL ){
		1922	drag_type = 0;
		1923	}
		1924	else
		1925	{
		1926	if(strstr(temp,"x") != NULL ){
		1927	drag_type = 1;
		1928	}
		1929	else
		1930	{
		1931	drag_type = 2;
		1932	}
		1933	}
		1934	onclick = 2;
		1935	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		1936	break;
		1937	case BLINK:
		1938	/*
		1939	@ blink time(seconds)
		1940	@ NOT IMPLEMETED -YET
		1941	*/
		1942	break;
		1943	case MOUSE:
		1944	/*
		1945	@ mouse color,fontsize
		1946	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		1947	*/
		1948	use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
		1949	stroke_color = get_color(infile,0);
		1950	font_size = (int) (get_real(infile,1));
		1951	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		1952	break;
		1953	case INTOOLTIP:
		1954	/*
		1955	@ intooltip link_text
		1956	@ link_text is a single line (span-element)
		1957	@ link_text may also be an image URL http://some_server/images/my_image.png
		1958	@ link_text may contain HTML markup
		1959	@ the canvas will be displayed in a tooltip on 'link_text'
		1960	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		1961	*/
7652	schaersvoo	1962	if(use_input_xy == TRUE){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	1963	use_tooltip = TRUE;
		1964	tooltip_text = get_string(infile,1);
		1965	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		1966	break;
		1967	case AUDIO:
		1968	/*
		1969	@ audio x,y,w,h,loop,visible,audiofile location
		1970	@ x,y : left top corner of audio element (in xrange / yrange)
		1971	@ w,y : width and height in pixels
		1972	@ loop : 0 or 1 ( 1 = loop audio fragment)
		1973	@ visible : 0 or 1 (1 = show controls)
		1974	@ audio format may be in .mp3 or .ogg
		1975	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		1976	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		1977	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		1978	@ 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 />
		1979	*/
		1980	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		1981	for(i=0;i<7;i++){
		1982	switch(i){
		1983	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		1984	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		1985	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		1986	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		1987	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		1988	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
		1989	case 6:
		1990	temp = get_string(infile,1);
		1991	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		1992	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		1993	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);
		1994	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1995	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);
		1996	add_to_buffer(tmp_buffer);
		1997	break;
		1998	default:break;
		1999	}
		2000	}
		2001	reset();
		2002	break;
		2003	case VIDEO:
		2004	/*
		2005	@ video x,y,w,h,videofile location
		2006	@ x,y : left top corner of audio element (in xrange / yrange)
		2007	@ w,y : width and height in pixels
		2008	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2009	@ video format may be in *.mp4 (todo:other formats)
		2010	*/
		2011	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2012	for(i=0;i<5;i++){
		2013	switch(i){
		2014	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2015	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2016	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2017	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2018	case 4: temp = get_string(infile,1);
		2019	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);
		2020	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2021	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);
		2022	add_to_buffer(tmp_buffer);
		2023	break;
		2024	default:break;
		2025	}
		2026	}
		2027	reset();
		2028	break;
		2029	case HATCHFILL:
		2030	/*
		2031	@ hatchfill x0,y0,dx,dy,color
		2032	@ x0,y0 in xrange / yrange
		2033	@ distances dx,dy in pixels
		2034	*/
		2035	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2036	for(i=0;i<5;i++){
		2037	switch(i){
		2038	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2039	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2040	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2041	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2042	case 4: stroke_color = get_color(infile,1);
		2043	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2044	string_length = snprintf(NULL,0, "draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2045	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2046	snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2047	add_to_buffer(tmp_buffer);
		2048	break;
		2049	default:break;
		2050	}
		2051	}
		2052	reset();
		2053	break;
7647	schaersvoo	2054	case DIAMONDFILL:
		2055	/*
		2056	@ diamondfill x0,y0,dx,dy,color
		2057	@ x0,y0 in xrange / yrange
		2058	@ distances dx,dy in pixels
		2059	*/
		2060	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2061	for(i=0;i<5;i++){
		2062	switch(i){
		2063	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2064	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2065	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2066	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2067	case 4: stroke_color = get_color(infile,1);
		2068	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2069	string_length = snprintf(NULL,0, "draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2070	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2071	snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2072	add_to_buffer(tmp_buffer);
		2073	break;
		2074	default:break;
		2075	}
		2076	}
		2077	reset();
		2078	break;
7614	schaersvoo	2079	case GRIDFILL:
		2080	/*
		2081	@ gridfill x0,y0,dx,dy,color
		2082	@ x0,y0 in xrange / yrange
		2083	@ distances dx,dy in pixels
		2084	*/
		2085	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2086	for(i=0;i<5;i++){
		2087	switch(i){
		2088	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2089	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2090	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2091	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2092	case 4: stroke_color = get_color(infile,1);
		2093	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2094	string_length = snprintf(NULL,0, "draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2095	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2096	snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2097	add_to_buffer(tmp_buffer);
		2098	break;
		2099	default:break;
		2100	}
		2101	}
		2102	reset();
		2103	break;
		2104	case DOTFILL:
		2105	/*
		2106	@ dotfill x0,y0,dx,dy,color
		2107	@ x0,y0 in xrange / yrange
		2108	@ distances dx,dy in pixels
		2109	@ radius of dots is linewidth
		2110	*/
		2111	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2112	for(i=0;i<5;i++){
		2113	switch(i){
		2114	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2115	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2116	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2117	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2118	case 4: stroke_color = get_color(infile,1);
		2119	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2120	string_length = snprintf(NULL,0, "draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2121	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2122	snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
		2123	add_to_buffer(tmp_buffer);
		2124	break;
		2125	default:break;
		2126	}
		2127	}
		2128	reset();
		2129	break;
		2130	case IMAGEFILL:
		2131	/*
		2132	@ imagefill dx,dy,image_url
		2133	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2134	@ After pattern filling ,the fill-color should be reset !
		2135	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2136	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2137	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2138	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2139	*/
		2140	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2141	for(i=0 ;i < 3 ; i++){
		2142	switch(i){
		2143	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2144	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2145	case 2: URL = get_string_argument(infile,1);
		2146	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);
		2147	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2148	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);
		2149	add_to_buffer(tmp_buffer);
		2150	break;
		2151	}
		2152	}
		2153	break;
		2154	case FILLTOBORDER:
		2155	/*
		2156	@ filltoborder x,y,bordercolor,color
		2157	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
		2158	@ any other color will not act as border to the bucket fill
		2159	@ use this command after all boundary objects are declared.
		2160	@ 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..
		2161	*/
		2162	for(i=0 ;i < 4 ; i++){
		2163	switch(i){
		2164	case 0:double_data[0] = get_real(infile,0);break;
		2165	case 1:double_data[1] = get_real(infile,0);break;
		2166	case 2:bgcolor = get_color(infile,0);break;
		2167	case 3:fill_color = get_color(infile,1);
		2168	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2169	js_function[DRAW_FILLTOBORDER] = 1;
		2170	add_js_filltoborder(js_include_file,canvas_root_id);
		2171	}
		2172	decimals = find_number_of_digits(precision);
		2173	string_length = snprintf(NULL,0, "filltoborder(%.f,%.f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
		2174	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2175	snprintf(tmp_buffer,string_length,"filltoborder(%.f,%.f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
		2176	add_to_buffer(tmp_buffer);
		2177	break;
		2178	default:break;
		2179	}
		2180	}
		2181	break;
		2182	case FLOODFILL:
		2183	/*
		2184	@ floodfill x,y,color
		2185	@ alternative syntax: fill x,y,color
		2186	@ fill the region of point (x:y) with color 'color'
		2187	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2188	@ use this command after all boundary objects are declared.
		2189	@ Use command 'clickfill,color' for user click driven flood fill.
		2190	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2191	@ 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..
		2192	*/
		2193	for(i=0 ;i < 4 ; i++){
		2194	switch(i){
		2195	case 0:double_data[0] = get_real(infile,0);break;
		2196	case 1:double_data[1] = get_real(infile,0);break;
		2197	case 2:fill_color = get_color(infile,1);
		2198	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2199	js_function[DRAW_FLOODFILL] = 1;
		2200	add_js_floodfill(js_include_file,canvas_root_id);
		2201	}
		2202	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2203	string_length = snprintf(NULL,0, "floodfill(0,%.f,%.f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
		2204	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2205	snprintf(tmp_buffer,string_length,"floodfill(0,%.f,%.f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
		2206	add_to_buffer(tmp_buffer);
		2207	break;
		2208	default:break;
		2209	}
		2210	}
		2211	break;
		2212	case CLICKFILLMARGE:
		2213	clickfillmarge = (int) (get_real(infile,1));
		2214	break;
		2215	/*
		2216	@ clickfillmarge int
		2217	@ default 20 (pixels)
		2218	@ when using command "clickfill fillcolor" a coloured area my be reverted ("undo") <br />back to background colour with a middle mouse click<br />when the click is in a 40x40 rectangle around a stored m mouseclick (userdraw_x[] and userdraw_y[])
		2219	*/
		2220	case CLICKFILL:
		2221	/*
		2222	@ clickfill fillcolor
		2223	@ user left mouse click will floodfill the area with fillcolor
		2224	@ multiple areas may be coloured
		2225	@ the coloured areas can be removed (changed to "bgcolor") by middle / right mouse click <br />(if the click is in an 40x40 pixel area of the click coordinate that "painted" the area)
		2226	@ the answer will be read as the (x:y) click coordinates per coloured area
		2227	@ background color of main div may be set by using command "bgcolor color"
		2228	@ may not be combined with command "userdraw"
		2229	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2230	*/
		2231	fill_color = get_color(infile,1);
		2232	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2233	js_function[DRAW_FLOODFILL] = 1;
		2234	add_js_floodfill(js_include_file,canvas_root_id);
		2235	}
7653	schaersvoo	2236	fprintf(js_include_file,"\n<!-- begin command clickfill -->\nvar marge_xy = %d;var userdraw_x = new Array();var userdraw_y = new Array();var user_clickfill_cnt = 0;\ncanvas_div.addEventListener(\"mousedown\",clickfill,false);function clickfill(evt){var x = evt.clientX - findPosX(canvas_div) + document.body.scrollLeft + document.documentElement.scrollLeft;var y = evt.clientY - findPosY(canvas_div) + document.body.scrollTop + document.documentElement.scrollTop;if(evt.which != 1){for(var p=0; p < user_clickfill_cnt;p++){if(userdraw_x[p] + marge_xy > x && userdraw_x[p] - marge_xy < x){if(userdraw_y[p] + marge_xy > y && userdraw_y[p] - marge_xy < y){if(confirm(\"Clear ?\")){floodfill(1,userdraw_x[p],userdraw_y[p],canvas_div.style.backgroundColor);userdraw_x.splice(p,2);userdraw_y.splice(p,2);user_clickfill_cnt--;return;};};};};};userdraw_x[user_clickfill_cnt] = x;userdraw_y[user_clickfill_cnt] = y;user_clickfill_cnt++;floodfill(1,x,y,[%s,%d]);};",clickfillmarge,fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2237	add_read_canvas(1);
		2238	break;
		2239	case SETPIXEL:
		2240	/*
		2241	@ setpixel x,y,color
		2242	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2243	@ pixels can not be dragged or clicked
		2244	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2245	*/
		2246	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2247	for(i=0;i<3;i++){
		2248	switch(i){
		2249	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2250	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2251	case 2: stroke_color = get_color(infile,1);
		2252	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2253	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2254	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2255	add_to_buffer(tmp_buffer);
		2256	break;
		2257	default:break;
		2258	}
		2259	}
		2260	reset();
		2261	break;
		2262	case PIXELSIZE:
		2263	/*
		2264	@ pixelsize int
		2265	@ in case you want to deviate from default pixelsize = 1...
		2266	*/
		2267	pixelsize = (int) get_real(infile,1);
		2268	break;
		2269	case PIXELS:
		2270	/*
		2271	@ pixels color,x1,y1,x2,y2,x3,y3...
		2272	@ Draw "points" with diameter 1 pixel
		2273	@ pixels can not be dragged or clicked
		2274	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2275	*/
		2276	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2277	stroke_color=get_color(infile,0);
		2278	i=0;
		2279	c=0;
		2280	while( ! done ){ /* get next item until EOL*/
		2281	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2282	for( c = 0 ; c < 2; c++){
		2283	if(c == 0 ){
		2284	double_data[i] = get_real(infile,0);
		2285	i++;
		2286	}
		2287	else
		2288	{
		2289	double_data[i] = get_real(infile,1);
		2290	i++;
		2291	}
		2292	}
		2293	}
		2294	decimals = find_number_of_digits(precision);
		2295	/* double_xy2js_array(double xy[],int len,int decimals) /
		2296	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2297	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2298	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2299	add_to_buffer(tmp_buffer);
		2300	break;
		2301	case REPLYFORMAT:
		2302	/*
		2303	@ replyformat number
		2304	@ default values should be fine !
7782	schaersvoo	2305	@ 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,x2:y2:text2...x_n:y_n:text_n</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>21 = (x1:y1) (x2:y2) ... (x_n:y_n)<br />verbatim coordinate return</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>replyformat 23 : can only be used for drawtype 'polyline'<br />a typical click sequence in drawtype polyline isx1,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></ul>
7614	schaersvoo	2306	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2307	*/
		2308	reply_format = (int) get_real(infile,1);
		2309	break;
		2310	case LEGENDCOLORS:
		2311	/*
		2312	@ legendcolors color1:color2:color3:...:color_n
		2313	@ will be used to colour a legend
		2314	@ make sure the number of colours match the number of legend items
		2315	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
		2316	*/
		2317	temp = get_string(infile,1);
		2318	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2319	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2320	break;
		2321	case LEGEND:
		2322	/*
		2323	@ legend string1:string2:string3....string_n
		2324	@ will be used to create a legend for a graph
		2325	@ also see command 'piechart'
		2326	*/
		2327	temp = get_string(infile,1);
		2328	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2329	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2330	break;
		2331	case XLABEL:
		2332	/*
		2333	@ xlabel some_string
		2334	@ will be used to create a label for the x-axis (label is in quadrant I)
		2335	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2336	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2337	*/
		2338	temp = get_string(infile,1);
7653	schaersvoo	2339	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2340	break;
		2341	case YLABEL:
		2342	/*
		2343	@ ylabel some_string
		2344	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
		2345	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2346	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2347	*/
		2348	temp = get_string(infile,1);
7653	schaersvoo	2349	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2350	break;
		2351	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2352	/*
		2353	@ linegraph x1:y1;x2:y2...x_n:y;2
		2354	@ will plot your data in a graph
		2355	@ may only to be used together with command 'grid'
		2356	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2357	@ use command 'legend' to provide an optional legend in right-top-corner
		2358	@ also see command 'piechart'
		2359	@ multiple linegraphs may be used in a single plot
		2360	@ <ul><li>use command 'strokecolor' before command 'linegraph' to set the color of this graph</li><li>use command 'linewidth' before command 'linegraph' to set linewidth of this graph</li><li>use command 'dashed' before command 'linegraph' to set dashing of the graph</li><li>if dashing is set, use command 'dashtype' before command 'linegraph' to set the type of dashing of the graph</li></ul>
		2361	*/
		2362	temp = get_string(infile,1);
		2363	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2364	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);
7614	schaersvoo	2365	linegraph_cnt++;
		2366	reset();
		2367	break;
		2368	case CLOCK:
		2369	/*
		2370	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2371	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2372	@ colors are optional: if not defined, default values will be used<br />default colours: clock 0,0,60,4,35,45,1,2,[space]<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,white,white,black,yellow
		2373	@ 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></ul>
		2374	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2375	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2376	@ if interactive, 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
7614	schaersvoo	2377	*/
		2378	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2379
		2380	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2381	for(i=0;i<9;i++){
		2382	switch(i){
		2383	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2384	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2385	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2386	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2387	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2388	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2389	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 */
7614	schaersvoo	2390	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2391	switch(int_data[7]){
		2392	case 0:break;
		2393	case 1:if(clock_cnt == 0){
		2394	if( reply_format == 0 ){
7614	schaersvoo	2395	reply_format = 18; /* user sets clock */
7783	schaersvoo	2396	/* 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");
7614	schaersvoo	2397	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2398	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");
		2399	add_to_buffer(tmp_buffer);
7783	schaersvoo	2400	*/
		2401	fprintf(js_include_file,"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");
		2402	}
		2403	else
		2404	{
		2405	canvas_error("interactive clock may not be used together with other reply_types...");
		2406	}
		2407	fprintf(stdout,"<br /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S-\" /><br />",clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt);
		2408	}
		2409	break;
		2410	case 2:if( reply_format == 0 ){
		2411	reply_format = 19; /* "onclick */
		2412	fprintf(js_include_file,"\n<!-- begin onclick handler for clocks -->\nvar reply = new Array();\n\ncanvas_div.addEventListener( 'mousedown', user_click,false);\n\nfunction user_click(evt){if(evt.which == 1){var canvas_rect = clock_canvas.getBoundingClientRect();\nvar x = evt.clientX - canvas_rect.left;\nvar y = evt.clientY - canvas_rect.top;\nvar p = 0;\nvar name;\nvar t = true;\nwhile(t){try{name = eval('clocks'+p);\nif( x < name.xc + name.radius && x > name.xc - name.radius ){if( y < name.yc + name.radius && y > name.yc - name.radius ){reply[0] = p;\nname = 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);\n};\n}else{clock_ctx.clearRect(name.xc-name.radius,name.yc-name.radius,name.xc+name.radius,name.yc+name.radius);\nname = 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};\np++;\n}catch(e){t=false;\n};\n};\n};\n};\n\n<!-- end onclick handler for clocks -->\n ");
		2413	}
		2414	else
		2415	{
		2416	if( reply_format != 19){
7614	schaersvoo	2417	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2418	}
7783	schaersvoo	2419	}
		2420	break;
		2421	default: canvas_error("interactive must be set 0,1 or 2");break;
		2422	}
		2423	break;
7614	schaersvoo	2424	case 8:
		2425	temp = get_string(infile,1);
		2426	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2427	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2428	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);
		2429	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2430	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);
		2431	add_to_buffer(tmp_buffer);
		2432	clock_cnt++;
		2433	break;
		2434	default:break;
		2435	}
		2436	}
		2437	break;
		2438	case BARCHART:
		2439	/*
		2440	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2441	@ will be used to create a legend for bar graph
		2442	@ may only to be used together with command 'grid'
		2443	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2444	@ use command 'legend' to provide an optional legend in right-top-corner
		2445	@ also see command 'piechart'
		2446	*/
		2447	temp = get_string(infile,1);
		2448	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2449	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2450	reset();
		2451	break;
		2452	case PIECHART:
		2453	/*
		2454	@ piechart xc,yc,radius,'data+colorlist'
		2455	@ (xc : yc) center of circle diagram in xrange/yrange
		2456	@ radius in pixels
		2457	@ 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
		2458	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2459	@ the number of colors must match the number of data.
		2460	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2461	@ use command "legend string1:string2:...:string_n" 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...
		2462	*/
		2463	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
		2464	for(i=0;i<5;i++){
		2465	switch(i){
		2466	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2467	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2468	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2469	case 3: temp = get_string(infile,1);
		2470	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2471	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,font_size,font_family);
		2472	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2473	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,font_size,font_family);
		2474	add_to_buffer(tmp_buffer);
		2475	break;
		2476	default:break;
		2477	}
		2478	}
		2479	reset();
		2480	break;
		2481	case STATUS:
		2482	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2483	break;
7735	schaersvoo	2484	case XLOGBASE:
7729	schaersvoo	2485	/*
7735	schaersvoo	2486	@ xlogbase number
		2487	@ sets the logbase number for the x-axis
7729	schaersvoo	2488	@ default value 10
7735	schaersvoo	2489	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2490	*/
7735	schaersvoo	2491	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2492	break;
7735	schaersvoo	2493	case YLOGBASE:
		2494	/*
		2495	@ ylogbase number
		2496	@ sets the logbase number for the y-axis
		2497	@ default value 10
		2498	@ use together with commands ylogscale / xylogscale
		2499	*/
		2500	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2501	break;
7614	schaersvoo	2502	case XLOGSCALE:
		2503	/*
7735	schaersvoo	2504	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2505	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2506	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2507	@ the linewidth is set using command 'linewidth int'
		2508	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2509	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7779	schaersvoo	2510	@ 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>
7735	schaersvoo	2511	@ note: the complete canvas will be used for the 'log paper'
		2512	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2513	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2514	@ note: when using something like 'xrange 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')
		2515	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2516	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2517	*/
7735	schaersvoo	2518	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2519	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2520	for(i=0;i<4;i++){
		2521	switch(i){
		2522	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2523	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2524	case 2: stroke_color = get_color(infile,0); break;
		2525	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2526	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);
7735	schaersvoo	2527	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2528	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	2529	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2530	add_to_buffer(tmp_buffer);
		2531	break;
		2532	default:break;
		2533	}
		2534	}
7614	schaersvoo	2535	break;
		2536	case YLOGSCALE:
7729	schaersvoo	2537	/*
		2538	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2539	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2540	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2541	@ the linewidth is set using command 'linewidth int'
		2542	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2543	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7779	schaersvoo	2544	@ 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>
7729	schaersvoo	2545	@ note: the complete canvas will be used for the 'log paper'
		2546	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2547	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2548	@ 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')
7735	schaersvoo	2549	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2550	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2551	*/
		2552	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2553	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2554	for(i=0;i<4;i++){
		2555	switch(i){
		2556	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2557	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2558	case 2: stroke_color = get_color(infile,0); break;
		2559	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2560	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	2561	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2562	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	2563	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2564	add_to_buffer(tmp_buffer);
		2565	break;
		2566	default:break;
		2567	}
		2568	}
7614	schaersvoo	2569	break;
		2570	case XYLOGSCALE:
7735	schaersvoo	2571	/*
		2572	@ xylogscale majorcolor,minorcolor
		2573	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2574	@ the linewidth is set using command 'linewidth int'
		2575	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2576	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7739	schaersvoo	2577	@ 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>
7735	schaersvoo	2578	@ note: the complete canvas will be used for the 'log paper'
		2579	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2580	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2581	@ 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')
		2582	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2583	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2584	*/
		2585	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2586	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2587	for(i=0;i<2;i++){
		2588	switch(i){
		2589	case 0: stroke_color = get_color(infile,0); break;
		2590	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2591	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);
7735	schaersvoo	2592	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2593	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);
7735	schaersvoo	2594	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2595	add_to_buffer(tmp_buffer);
		2596	break;
		2597	default:break;
		2598	}
		2599	}
		2600	break;
7614	schaersvoo	2601	default:sync_input(infile);
		2602	break;
		2603	}
		2604	}
		2605	/* we are done parsing script file */
		2606
		2607	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2608	add_javascript_functions(js_function,canvas_root_id);
		2609	/* add read_canvas() etc functions if needed */
		2610	if( reply_format > 0 ){ add_read_canvas(reply_format);}
		2611	/* using mouse coordinate display ? */
		2612	if( use_mouse_coordinates == TRUE ){
		2613	tmp_buffer = my_newmem(26);
		2614	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2615	}
		2616	/* add global variables / contants */
7729	schaersvoo	2617	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
		2618	var precision = %d;var xmin=%f;var xmax=%f;var ymin=%f;\
		2619	var ymax=%f;var xmin_start=xmin;var xmax_start=xmax;\
		2620	var ymin_start=ymin;var ymax_start=xmax;\
		2621	var zoom_x_increment=0;var zoom_y_increment=0;\
		2622	var pan_x_increment=0;var pan_y_increment=0;\
		2623	if(use_ylogscale == 0 ){\
		2624	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2625	}else{\
		2626	zoom_x_increment = (xmax - xmin)/20;\
		2627	pan_x_increment = (xmax - xmin)/20;\
		2628	};\
7653	schaersvoo	2629	function start_canvas%d(type){\
		2630	switch(type){\
7729	schaersvoo	2631	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2632	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	2633	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2634	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2635	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2636	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2637	case 6:location.reload();break;\
		2638	default:break;\
		2639	};\
		2640	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2641	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2642	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2643	%s\
		2644	};\
		2645	start_canvas%d(22);\
7614	schaersvoo	2646	};\n\
		2647	<!-- end wims_canvas_function -->\n\
7729	schaersvoo	2648	wims_canvas_function%d();\n",precision,xmin,xmax,ymin,ymax,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7614	schaersvoo	2649	/* done writing the javascript include file */
		2650	fclose(js_include_file);
		2651
		2652	}
		2653
		2654	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2655	if(use_tooltip == TRUE){
		2656	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2657	}
		2658	exit(EXIT_SUCCESS);
		2659	}
		2660	/* end main() */
		2661
		2662	/******************************************************************************
		2663	**
		2664	** sync_input
		2665	**
		2666	** synchronises input line - reads to end of line, leaving file pointer
		2667	** at first character of next line.
		2668	**
		2669	** Used by:
		2670	** main program - error handling.
		2671	**
		2672	******************************************************************************/
		2673	void sync_input(FILE *infile)
		2674	{
		2675	int c = 0;
		2676
7658	schaersvoo	2677	if( c == '\n' \|\| c == ';' ) return;
		2678	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2679	if( c == EOF ) finished = 1;
7658	schaersvoo	2680	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2681	return;
		2682	}
		2683
		2684	/******************************************************************************/
		2685
		2686	char str_replace(const char str, const char old, const char new){
		2687	/* http://creativeandcritical.net/str-replace-c/ */
		2688	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2689	char ret, r;
		2690	const char p, q;
		2691	size_t oldlen = strlen(old);
		2692	size_t count = 0;
		2693	size_t retlen = 0;
		2694	size_t newlen = strlen(new);
		2695	if (oldlen != newlen){
		2696	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2697	count++;
		2698	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2699	}
		2700	}
		2701	else
		2702	{
		2703	retlen = strlen(str);
		2704	}
		2705
		2706	if ((ret = malloc(retlen + 1)) == NULL){
		2707	ret = NULL;
		2708	canvas_error("string argument is NULL");
		2709	}
		2710	else
		2711	{
		2712	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2713	size_t l = q - p;
		2714	memcpy(r, p, l);
		2715	r += l;
		2716	memcpy(r, new, newlen);
		2717	r += newlen;
		2718	}
		2719	strcpy(r, p);
		2720	}
		2721	return ret;
		2722	}
		2723
		2724	/******************************************************************************/
		2725	/*
		2726	avoid the use of ctypes.h for tolower() toupper();
		2727	it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
		2728	Upper case -> Lower case : c = c - 'A'+ 'a';
		2729	Lower case -> Upper case c = c + 'A' - 'a';
		2730	*/
		2731	int tolower(int c){
		2732	if(c <= 'Z'){
		2733	if (c >= 'A'){
		2734	return c - 'A' + 'a';
		2735	}
		2736	}
		2737	return c;
		2738	}
		2739
		2740	int toupper(int c){
		2741	if(c >= 'a' && c <= 'z'){
		2742	return c + 'A' - 'a';
		2743	}
		2744	return c;
		2745	}
		2746
		2747	char get_color(FILE infile , int last){
		2748	int c,i = 0,is_hex = 0;
		2749	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2750	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2751	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2752	if( c == '#' ){
		2753	is_hex = 1;
		2754	}
		2755	if( c != ' '){
		2756	temp[i]=tolower(c);
		2757	i++;
		2758	}
		2759	}
7658	schaersvoo	2760	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2761	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2762	if( c == EOF ){finished = 1;}
		2763	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2764	temp[i]='\0';
		2765	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2766	if( is_hex == 1 ){
		2767	char red[3], green[3], blue[3];
		2768	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2769	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2770	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2771	int r = (int) strtol(red, NULL, 16);
		2772	int g = (int) strtol(green, NULL, 16);
		2773	int b = (int) strtol(blue, NULL, 16);
		2774	string = (char *)my_newmem(12);
		2775	snprintf(string,11,"%d,%d,%d",r,g,b);
		2776	return string;
		2777	}
		2778	else
		2779	{
		2780	string = (char *)my_newmem(sizeof(temp));
		2781	snprintf(string,sizeof(temp),"%s",temp);
		2782	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2783	if( strcmp( colors[i].name , string ) == 0 ){
		2784	return colors[i].rgb;
		2785	}
		2786	}
		2787	}
		2788	/* not found...return error */
		2789	free(string);string = NULL;
		2790	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2791	return NULL;
		2792	}
		2793
		2794	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2795	int c,i=0;
		2796	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2797	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2798	temp[i]=c;
		2799	i++;
		2800	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2801	}
7748	schaersvoo	2802	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		2803	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2804	if( c == EOF ) {
		2805	finished = 1;
		2806	if( last != 1 ){ canvas_error("expected more arguments");}
		2807	}
		2808	temp[i]='\0';
		2809	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2810	string=(char *)my_newmem(strlen(temp));
		2811	snprintf(string,sizeof(temp),"%s",temp);
		2812	return string;
		2813	}
		2814
		2815	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2816	int c,i=0;
		2817	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2818	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2819	temp[i]=c;
		2820	i++;
		2821	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2822	}
7748	schaersvoo	2823	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
		2824	if( c == '\n') { line_number++; }
7614	schaersvoo	2825	if( c == EOF ) {finished = 1;}
		2826	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2827	temp[i]='\0';
		2828	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2829	string=(char *)my_newmem(sizeof(temp));
		2830	snprintf(string,sizeof(temp),"%s",temp);
		2831	done = TRUE;
		2832	return string;
		2833	}
		2834
		2835	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2836	int c,i=0,found_calc = 0;
		2837	double y;
		2838	char tmp[MAX_INT];
7658	schaersvoo	2839	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2840	if( c != ' ' ){
		2841	/*
		2842	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
		2843	We will check after assert() if it's a NULL pointer...and exit program via :
		2844	canvas_error("I'm having trouble parsing your \"expression\" ");
		2845	*/
		2846	if( i == 0 && c == '+' ){
		2847	continue;
		2848	}
		2849	else
		2850	{
		2851	if(canvas_iscalculation(c) != 0){
		2852	found_calc = 1;
		2853	c = tolower(c);
		2854	}
		2855	tmp[i] = c;
		2856	i++;
		2857	}
		2858	}
		2859	if( i > MAX_INT - 1){canvas_error("number too large");}
		2860	}
7658	schaersvoo	2861	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
		2862	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2863	if( c == EOF ){done = TRUE ; finished = 1;}
		2864	tmp[i]='\0';
		2865	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2866	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
		2867	void *f = evaluator_create(tmp);
		2868	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
		2869	y = evaluator_evaluate_x(f, 1);
		2870	/* if function is bogus; y = 1 : so no core dumps */
		2871	evaluator_destroy(f);
		2872	}
		2873	else
		2874	{
		2875	y = atof(tmp);
		2876	}
		2877	return y;
		2878	}
		2879
		2880	double get_double(FILE infile , int orientation , int last){ / last = 0 : more arguments ; last=1 final argument */
		2881	/* orientation=0 : x-values ... orientation=1 :y-values */
		2882	int c;
		2883	int i = 0;
		2884	int found_calc = 0; /* signal user input like : 2pi/3 /
		2885	char tmp[MAX_INT];
		2886	double dx;
7658	schaersvoo	2887	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2888	if( c != ' '){/* no spaces in numbers */
		2889	if(canvas_iscalculation(c) != 0 ){
7658	schaersvoo	2890	found_calc = 1;
		2891	c = tolower(c);
7614	schaersvoo	2892	}
		2893	tmp[i]=c;
		2894	i++;
		2895	if( i > MAX_INT-1){canvas_error("number too large");}
		2896	}
		2897	}
7658	schaersvoo	2898	if( c == '\n' \|\| c == EOF \|\| c == ';' ){
7614	schaersvoo	2899	if( last == 0 ){canvas_error("expecting more arguments");}
		2900	if( c == EOF ){finished = TRUE;}
		2901	done = TRUE;
		2902	/return 0; /
		2903	}
		2904	tmp[i]='\0';
		2905
		2906	if( strlen(tmp) == 0 \|\| i == 0){
		2907	if( orientation == 0 ){
		2908	canvas_error("expected a x-value \n e.g. a number in x-range / y-range coordinate system\nbut found nothing !!");
		2909	}
		2910	else
		2911	{
		2912	canvas_error("expected a y-value \n e.g. a number in x-range / y-range coordinate system\nbut found nothing !!");
		2913	}
		2914	}
		2915	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
		2916	void *f = evaluator_create(tmp);
		2917	assert(f);
		2918	if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ");}
		2919	dx = evaluator_evaluate_x(f, 1);
		2920	evaluator_destroy(f);
		2921	}
		2922	else
		2923	{
		2924	dx = atof(tmp); /* no pi/e/sin(2pi/3) found : will use atof to convert inputstring to float /
		2925	}
7658	schaersvoo	2926	if( c == '\n' \|\| c == ';') { line_number++; }
7614	schaersvoo	2927	if( c != EOF ) {
7658	schaersvoo	2928	if( c == '\n' \|\| c ==';') {
7614	schaersvoo	2929	done = TRUE;
		2930	}
		2931	}
		2932	else
		2933	{
		2934	finished = TRUE;
		2935	}
		2936	if( (done == TRUE \|\| finished == TRUE) && last != 1 ){ canvas_error("expected more arguments");}
		2937	if(orientation == 0){
		2938	return x2px( dx ); /* convert to pixels according xrange */
		2939	}
		2940	else
		2941	{
		2942	return y2px( dx );/* convert to pixels according yrange */
		2943	}
		2944	}
		2945	void canvas_error(char *msg){
7748	schaersvoo	2946	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	2947	finished = 1;
		2948	exit(EXIT_SUCCESS);
		2949	}
		2950
		2951
		2952	/* convert x/y coordinates to pixel */
		2953	int x2px(double x){
		2954	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		2955	}
		2956
		2957	int y2px(double y){
		2958	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		2959	}
		2960
		2961	double px2x(int x){
		2962	return (x*(xmax - xmin)/xsize + xmin);
		2963	}
		2964	double px2y(int y){
		2965	return (y*(ymax - ymin)/ysize + ymin);
		2966	}
		2967
		2968	void add_to_buffer(char *tmp){
		2969	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		2970	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		2971	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		2972	if( space_left > strlen(tmp)){
		2973	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		2974	}
		2975	else
		2976	{
		2977	canvas_error("buffer is too big\n");
		2978	}
		2979	tmp = NULL;free(tmp);
		2980	return;
		2981	}
		2982
		2983	void reset(){
		2984	if(use_filled == TRUE){use_filled = FALSE;}
		2985	if(use_dashed == TRUE){use_dashed = FALSE;}
		2986	if(use_translate == TRUE){use_translate = FALSE;}
		2987	if(use_rotate == TRUE){use_rotate = FALSE;}
		2988	onclick = 0;
		2989	}
		2990
		2991
		2992
		2993	/* What reply format in read_canvas();
		2994
		2995	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		2996	1 = x1,x2,x3,x4....x_n
		2997	y1,y2,y3,y4....y_n
		2998
		2999	x/y in pixels
		3000
		3001	2 = x1,x2,x3,x4....x_n
		3002	y1,y2,y3,y4....y_n
		3003	x/y in xrange / yrange coordinate system
		3004
		3005	3 = x1,x2,x3,x4....x_n
		3006	y1,y2,y3,y4....y_n
		3007	r1,r2,r3,r4....r_n
		3008
		3009	x/y in pixels
		3010	r in pixels
		3011
		3012	4 = x1,x2,x3,x4....x_n
		3013	y1,y2,y3,y4....y_n
		3014	r1,r2,r3,r4....r_n
		3015
		3016	x/y in xrange / yrange coordinate system
		3017	r in pixels
		3018
		3019	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3020	Ay1,Ay2,Ay3,Ay4....Ay_n
		3021	Bx1,Bx2,Bx3,Bx4....Bx_n
		3022	By1,By2,By3,By4....By_n
		3023	Cx1,Cx2,Cx3,Cx4....Cx_n
		3024	Cy1,Cy2,Cy3,Cy4....Cy_n
		3025	....
		3026	Zx1,Zx2,Zx3,Zx4....Zx_n
		3027	Zy1,Zy2,Zy3,Zy4....Zy_n
		3028
		3029	x/y in pixels
		3030
		3031	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3032	Ay1,Ay2,Ay3,Ay4....Ay_n
		3033	Bx1,Bx2,Bx3,Bx4....Bx_n
		3034	By1,By2,By3,By4....By_n
		3035	Cx1,Cx2,Cx3,Cx4....Cx_n
		3036	Cy1,Cy2,Cy3,Cy4....Cy_n
		3037	....
		3038	Zx1,Zx2,Zx3,Zx4....Zx_n
		3039	Zy1,Zy2,Zy3,Zy4....Zy_n
		3040
		3041	x/y in xrange / yrange coordinate system
		3042
		3043	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3044
		3045	x/y in pixels
		3046
		3047	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3048
		3049	x/y in xrange / yrange coordinate system
		3050
		3051	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3052
		3053	x/y in pixels
		3054
		3055	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3056
		3057	x/y in xrange / yrange coordinate system
		3058
		3059	11 = Ax1,Ay1,Ax2,Ay2
		3060	Bx1,By1,Bx2,By2
		3061	Cx1,Cy1,Cx2,Cy2
		3062	Dx1,Dy1,Dx2,Dy2
		3063	......
		3064	Zx1,Zy1,Zx2,Zy2
		3065
		3066	x/y in xrange / yrange coordinate system
		3067
		3068	12 = Ax1,Ay1,Ax2,Ay2
		3069	Bx1,By1,Bx2,By2
		3070	Cx1,Cy1,Cx2,Cy2
		3071	Dx1,Dy1,Dx2,Dy2
		3072	......
		3073	Zx1,Zy1,Zx2,Zy2
		3074
		3075	x/y in pixels
		3076
		3077	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3078
		3079	x/y in xrange / yrange coordinate system
		3080	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3081	x/y in pixels
		3082	15 = reply from inputfields,textareas
		3083	reply1,reply2,reply3,...,reply_n
		3084
		3085	16 = read mathml inputfields only
		3086
		3087	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3088	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3089
		3090	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3091	19 = return clicked object number (analogue to shape-library onclick)
		3092	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3093	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3094	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3095	x/y in xrange / yrange coordinate system
7782	schaersvoo	3096	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3097	*/
		3098
		3099
		3100	void add_read_canvas(int type_reply){
		3101	/* just 1 reply type allowed */
		3102	switch(type_reply){
		3103	/* TO DO
		3104	!!!! NEED TO SIMPLIFY !!!!
		3105	answers may have:
		3106	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3107	*/
		3108	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3109	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3110	function read_canvas(){\
		3111	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3112	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3113	var p = 0;var input_reply = new Array();\
		3114	if( document.getElementById(\"canvas_input0\")){\
		3115	var t = 0;\
		3116	while(document.getElementById(\"canvas_input\"+t)){\
		3117	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3118	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3119	p++;\
		3120	};\
		3121	t++;\
		3122	};\
		3123	};\
		3124	if( typeof userdraw_text != 'undefined' ){\
		3125	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3126	}\
		3127	else\
		3128	{\
		3129	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3130	}\
		3131	}\
		3132	else\
		3133	{\
		3134	if( typeof userdraw_text != 'undefined' ){\
		3135	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3136	}\
		3137	else\
		3138	{\
		3139	return userdraw_x+\"\\n\"+userdraw_y;\
		3140	}\
		3141	};\
		3142	};\
		3143	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3144	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3145	break;
		3146	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3147	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3148	function read_canvas(){\
		3149	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3150	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3151	while(userdraw_x[p]){\
		3152	reply_x[p] = px2x(userdraw_x[p]);\
		3153	reply_y[p] = px2y(userdraw_y[p]);\
		3154	p++;\
		3155	};\
		3156	if(p == 0){alert(\"nothing drawn...\");return;};\
		3157	if( document.getElementById(\"canvas_input0\")){\
		3158	var p = 0;var input_reply = new Array();\
		3159	if( document.getElementById(\"canvas_input0\")){\
		3160	var t = 0;\
		3161	while(document.getElementById(\"canvas_input\"+t)){\
		3162	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3163	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3164	p++;\
		3165	};\
		3166	t++;\
		3167	};\
		3168	};\
		3169	if( typeof userdraw_text != 'undefined' ){\
		3170	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3171	}\
		3172	else\
		3173	{\
		3174	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3175	}\
		3176	}\
		3177	else\
		3178	{\
		3179	if( typeof userdraw_text != 'undefined' ){\
		3180	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3181	}\
		3182	else\
		3183	{\
		3184	return reply_x+\"\\n\"+reply_y;\
		3185	};\
		3186	};\
		3187	};\
		3188	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3189	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3190	break;
		3191	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3192	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3193	function read_canvas(){\
		3194	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3195	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3196	var p = 0;var input_reply = new Array();\
		3197	if( document.getElementById(\"canvas_input0\")){\
		3198	var t = 0;\
		3199	while(document.getElementById(\"canvas_input\"+t)){\
		3200	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3201	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3202	p++;\
		3203	};\
		3204	t++;\
		3205	};\
		3206	};\
		3207	if( typeof userdraw_text != 'undefined' ){\
		3208	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3209	}\
		3210	else\
		3211	{\
		3212	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3213	}\
		3214	}\
		3215	else\
		3216	{\
		3217	if( typeof userdraw_text != 'undefined' ){\
		3218	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3219	}\
		3220	else\
		3221	{\
		3222	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3223	}\
		3224	}\
		3225	};\
		3226	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3227	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3228	break;
		3229	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3230	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3231	function read_canvas(){\
		3232	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3233	while(userdraw_x[p]){\
		3234	reply_x[p] = px2x(userdraw_x[p]);\
		3235	reply_y[p] = px2y(userdraw_y[p]);\
		3236	p++;\
		3237	};\
		3238	if(p == 0){alert(\"nothing drawn...\");return;};\
		3239	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3240	var p = 0;var input_reply = new Array();\
		3241	if( document.getElementById(\"canvas_input0\")){\
		3242	var t = 0;\
		3243	while(document.getElementById(\"canvas_input\"+t)){\
		3244	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3245	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3246	p++;\
		3247	};\
		3248	t++;\
		3249	};\
		3250	};\
		3251	if( typeof userdraw_text != 'undefined' ){\
		3252	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3253	}\
		3254	else\
		3255	{\
		3256	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3257	}\
		3258	}\
		3259	else\
		3260	{\
		3261	if( typeof userdraw_text != 'undefined' ){\
		3262	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3263	}\
		3264	else\
		3265	{\
		3266	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3267	}\
		3268	};\
		3269	};\
		3270	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3271	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3272	break;
		3273	/*
		3274	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3275	used for userdraw multiple paths
		3276	*/
		3277	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3278	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3279	function read_canvas(){\
		3280	var p = 0;\
		3281	var reply = \"\";\
		3282	for(p = 0; p < userdraw_x.length;p++){\
		3283	if(userdraw_x[p] != null ){\
		3284	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3285	};\
		3286	};\
		3287	if(p == 0){alert(\"nothing drawn...\");return;};\
		3288	userdraw_x = [];userdraw_y = [];\
		3289	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3290	var p = 0;var input_reply = new Array();\
		3291	if( document.getElementById(\"canvas_input0\")){\
		3292	var t = 0;\
		3293	while(document.getElementById(\"canvas_input\"+t)){\
		3294	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3295	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3296	p++;\
		3297	};\
		3298	t++;\
		3299	};\
		3300	};\
		3301	if( typeof userdraw_text != 'undefined' ){\
		3302	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3303	}\
		3304	else\
		3305	{\
		3306	return reply +\"\\n\"+input_reply;\
		3307	}\
		3308	}\
		3309	else\
		3310	{\
		3311	if( typeof userdraw_text != 'undefined' ){\
		3312	return reply+\"\\n\"+userdraw_text;\
		3313	}\
		3314	else\
		3315	{\
		3316	return reply;\
		3317	}\
		3318	};\
		3319	};\
7654	schaersvoo	3320	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3321	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3322	break;
		3323	/*
		3324	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3325	used for userdraw multiple paths
		3326	*/
		3327	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3328	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3329	function read_canvas(){\
		3330	var p = 0;\
		3331	var reply = \"\";\
		3332	var tmp_x = new Array();\
		3333	var tmp_y = new Array();\
		3334	for(p = 0 ; p < userdraw_x.length; p++){\
		3335	tmp_x = userdraw_x[p];\
		3336	tmp_y = userdraw_y[p];\
		3337	if(tmp_x != null){\
		3338	for(var i = 0 ; i < tmp_x.length ; i++){\
		3339	tmp_x[i] = px2x(tmp_x[i]);\
		3340	tmp_y[i] = px2y(tmp_y[i]);\
		3341	};\
		3342	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3343	};\
		3344	};\
		3345	if(p == 0){alert(\"nothing drawn...\");return;};\
		3346	userdraw_x = [];userdraw_y = [];\
		3347	if( document.getElementById(\"canvas_input0\") ){\
		3348	var p = 0;var input_reply = new Array();\
		3349	if( document.getElementById(\"canvas_input0\")){\
		3350	var t = 0;\
		3351	while(document.getElementById(\"canvas_input\"+t)){\
		3352	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3353	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3354	p++;\
		3355	};\
		3356	t++;\
		3357	};\
		3358	};\
		3359	if( typeof userdraw_text != 'undefined' ){\
		3360	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3361	}\
		3362	else\
		3363	{\
		3364	return reply +\"\\n\"+input_reply;\
		3365	}\
		3366	}\
		3367	else\
		3368	{\
		3369	if( typeof userdraw_text != 'undefined' ){\
		3370	return reply +\"\\n\"+userdraw_text;\
		3371	}\
		3372	else\
		3373	{\
		3374	return reply;\
		3375	}\
		3376	};\
		3377	};\
		3378	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3379	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3380	break;
		3381	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3382	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3383	function read_canvas(){\
		3384	var reply = new Array();\
		3385	var p = 0;\
		3386	while(userdraw_x[p]){\
		3387	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3388	p++;\
		3389	};\
		3390	if(p == 0){alert(\"nothing drawn...\");return;};\
		3391	if( document.getElementById(\"canvas_input0\") ){\
		3392	var p = 0;var input_reply = new Array();\
		3393	if( document.getElementById(\"canvas_input0\")){\
		3394	var t = 0;\
		3395	while(document.getElementById(\"canvas_input\"+t)){\
		3396	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3397	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3398	p++;\
		3399	};\
		3400	t++;\
		3401	};\
		3402	};\
		3403	if( typeof userdraw_text != 'undefined' ){\
		3404	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3405	}\
		3406	else\
		3407	{\
		3408	return reply+\"\\n\"+input_reply;\
		3409	}\
		3410	};\
		3411	else\
		3412	{\
		3413	if( typeof userdraw_text != 'undefined' ){\
		3414	return reply+\"\\n\"+userdraw_text;\
		3415	}\
		3416	else\
		3417	{\
		3418	return reply;\
		3419	}\
		3420	};\
		3421	};\
		3422	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3423	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3424	break;
		3425	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3426	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3427	function read_canvas(){\
		3428	var reply = new Array();\
		3429	var p = 0;\
		3430	while(userdraw_x[p]){\
		3431	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3432	p++;\
		3433	};\
		3434	if(p == 0){alert(\"nothing drawn...\");return;};\
		3435	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3436	var p = 0;var input_reply = new Array();\
		3437	if( document.getElementById(\"canvas_input0\")){\
		3438	var t = 0;\
		3439	while(document.getElementById(\"canvas_input\"+t)){\
		3440	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3441	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3442	p++;\
		3443	};\
		3444	t++;\
		3445	};\
		3446	};\
		3447	if( typeof userdraw_text != 'undefined' ){\
		3448	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3449	}\
		3450	else\
		3451	{\
		3452	return reply +\"\\n\"+input_reply;\
		3453	}\
		3454	}\
		3455	else\
		3456	{\
		3457	if( typeof userdraw_text != 'undefined' ){\
		3458	return reply +\"\\n\"+userdraw_text;\
		3459	}\
		3460	else\
		3461	{\
		3462	return reply;\
		3463	}\
		3464	};\
		3465	};\
		3466	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3467	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3468	break;
		3469	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3470	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3471	function read_canvas(){\
		3472	var reply = new Array();\
		3473	var p = 0;\
		3474	while(userdraw_x[p]){\
		3475	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3476	p++;\
		3477	};\
		3478	if(p == 0){alert(\"nothing drawn...\");return;};\
		3479	if( document.getElementById(\"canvas_input0\") ){\
		3480	var p = 0;var input_reply = new Array();\
		3481	if( document.getElementById(\"canvas_input0\")){\
		3482	var t = 0;\
		3483	while(document.getElementById(\"canvas_input\"+t)){\
		3484	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3485	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3486	p++;\
		3487	};\
		3488	t++;\
		3489	};\
		3490	};\
		3491	if( typeof userdraw_text != 'undefined' ){\
		3492	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3493	}\
		3494	else\
		3495	{\
		3496	return reply +\"\\n\"+input_reply;\
		3497	}\
		3498	}\
		3499	else\
		3500	{\
		3501	if( typeof userdraw_text != 'undefined' ){\
		3502	return reply +\"\\n\"+userdraw_text;\
		3503	}\
		3504	else\
		3505	{\
		3506	return reply;\
		3507	}\
		3508	};\
		3509	};\
		3510	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3511	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3512	break;
		3513	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3514	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3515	function read_canvas(){\
		3516	var reply = new Array();\
		3517	var p = 0;\
		3518	while(userdraw_x[p]){\
		3519	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3520	p++;\
		3521	};\
		3522	if(p == 0){alert(\"nothing drawn...\");return;};\
		3523	if( document.getElementById(\"canvas_input0\") ){\
		3524	var p = 0;var input_reply = new Array();\
		3525	if( document.getElementById(\"canvas_input0\")){\
		3526	var t = 0;\
		3527	while(document.getElementById(\"canvas_input\"+t)){\
		3528	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3529	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3530	p++;\
		3531	};\
		3532	t++;\
		3533	};\
		3534	};\
		3535	if( typeof userdraw_text != 'undefined' ){\
		3536	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3537	}\
		3538	else\
		3539	{\
		3540	return reply +\"\\n\"+input_reply;\
		3541	}\
		3542	}\
		3543	else\
		3544	{\
		3545	if( typeof userdraw_text != 'undefined' ){\
		3546	return reply +\"\\n\"+userdraw_text;\
		3547	}\
		3548	else\
		3549	{\
		3550	return reply;\
		3551	}\
		3552	};\
		3553	};\
		3554	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3555	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3556	break;
		3557	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3558	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3559	function read_canvas(){\
		3560	var reply = \"\";\
		3561	var p = 0;\
		3562	while(userdraw_x[p]){\
		3563	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3564	p = p+2;\
		3565	};\
		3566	if(p == 0){alert(\"nothing drawn...\");return;};\
		3567	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3568	var p = 0;var input_reply = new Array();\
		3569	if( document.getElementById(\"canvas_input0\")){\
		3570	var t = 0;\
		3571	while(document.getElementById(\"canvas_input\"+t)){\
		3572	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3573	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3574	p++;\
		3575	};\
		3576	t++;\
		3577	};\
		3578	};\
		3579	if( typeof userdraw_text != 'undefined' ){\
		3580	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3581	}\
		3582	else\
		3583	{\
		3584	return reply +\"\\n\"+input_reply;\
		3585	}\
		3586	}\
		3587	else\
		3588	{\
		3589	if( typeof userdraw_text != 'undefined' ){\
		3590	return reply +\"\\n\"+userdraw_text;\
		3591	}\
		3592	else\
		3593	{\
		3594	return reply;\
		3595	}\
		3596	};\
		3597	};\
		3598	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3599	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3600	break;
		3601	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3602	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3603	function read_canvas(){\
		3604	var reply = \"\";\
		3605	var p = 0;\
		3606	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3607	if(userdraw_x[p] != null){\
		3608	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3609	};\
		3610	};\
		3611	if(p == 0){alert(\"nothing drawn...\");return;};\
		3612	if( document.getElementById(\"canvas_input0\") ){\
		3613	var p = 0;var input_reply = new Array();\
		3614	if( document.getElementById(\"canvas_input0\")){\
		3615	var t = 0;\
		3616	while(document.getElementById(\"canvas_input\"+t)){\
		3617	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3618	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3619	p++;\
		3620	};\
		3621	t++;\
		3622	};\
		3623	};\
		3624	if( typeof userdraw_text != 'undefined' ){\
		3625	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3626	}\
		3627	else\
		3628	{\
		3629	return reply +\"\\n\"+input_reply;\
		3630	}\
		3631	}\
		3632	else\
		3633	{\
		3634	if( typeof userdraw_text != 'undefined' ){\
		3635	return reply +\"\\n\"+userdraw_text\
		3636	}\
		3637	else\
		3638	{\
		3639	return reply;\
		3640	}\
		3641	};\
		3642	};\
		3643	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3644	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3645	break;
		3646	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3647	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3648	function read_canvas(){\
		3649	var reply = new Array();\
		3650	var p = 0;var i = 0;\
		3651	while(userdraw_x[p]){\
		3652	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3653	p = p+2;i++;\
		3654	};\
		3655	if(p == 0){alert(\"nothing drawn...\");return;};\
		3656	if( document.getElementById(\"canvas_input0\") ){\
		3657	var p = 0;var input_reply = new Array();\
		3658	if( document.getElementById(\"canvas_input0\")){\
		3659	var t = 0;\
		3660	while(document.getElementById(\"canvas_input\"+t)){\
		3661	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3662	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3663	p++;\
		3664	};\
		3665	t++;\
		3666	};\
		3667	};\
		3668	if( typeof userdraw_text != 'undefined' ){\
		3669	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3670	}\
		3671	else\
		3672	{\
		3673	return reply +\"\\n\"+input_reply;\
		3674	}\
		3675	}\
		3676	else\
		3677	{\
		3678	if( typeof userdraw_text != 'undefined' ){\
		3679	return reply +\"\\n\"+userdraw_text\
		3680	}\
		3681	else\
		3682	{\
		3683	return reply;\
		3684	}\
		3685	};\
		3686	};\
		3687	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3688	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3689	break;
		3690	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3691	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3692	function read_canvas(){\
		3693	var reply = new Array();\
		3694	var p = 0;var i = 0;\
		3695	while(userdraw_x[p]){\
		3696	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3697	p = p+2;i++;\
		3698	};\
		3699	if(p == 0){alert(\"nothing drawn...\");return;};\
		3700	if( document.getElementById(\"canvas_input0\") ){\
		3701	var p = 0;var input_reply = new Array();\
		3702	if( document.getElementById(\"canvas_input0\")){\
		3703	var t = 0;\
		3704	while(document.getElementById(\"canvas_input\"+t)){\
		3705	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3706	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3707	p++;\
		3708	};\
		3709	t++;\
		3710	};\
		3711	};\
		3712	if( typeof userdraw_text != 'undefined' ){\
		3713	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3714	}\
		3715	else\
		3716	{\
		3717	return reply +\"\\n\"+input_reply;\
		3718	}\
		3719	}\
		3720	else\
		3721	{\
		3722	if( typeof userdraw_text != 'undefined' ){\
		3723	return reply +\"\\n\"+userdraw_text;\
		3724	}\
		3725	else\
		3726	{\
		3727	return reply;\
		3728	}\
		3729	};\
		3730	};\
		3731	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3732	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3733	break;
		3734	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3735	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3736	function read_canvas(){\
		3737	var input_reply = new Array();\
		3738	var p = 0;\
		3739	if( document.getElementById(\"canvas_input0\")){\
		3740	var t = 0;\
		3741	while(document.getElementById(\"canvas_input\"+t)){\
		3742	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3743	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3744	p++;\
		3745	};\
		3746	t++;\
		3747	};\
		3748	};\
		3749	if( typeof userdraw_text != 'undefined' ){\
		3750	return input_reply +\"\\n\"+userdraw_text;\
		3751	}\
		3752	else\
		3753	{\
		3754	return input_reply;\
		3755	};\
		3756	};\
		3757	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3758	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3759	break;
		3760	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3761	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3762	function read_mathml(){\
		3763	var reply = new Array();\
		3764	var p = 0;\
		3765	if( document.getElementById(\"mathml0\")){\
		3766	while(document.getElementById(\"mathml\"+p)){\
		3767	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3768	p++;\
		3769	};\
		3770	};\
		3771	return reply;\
		3772	};\
		3773	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3774	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3775	break;
		3776	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3777	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3778	function read_canvas(){\
		3779	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3780	return userdraw_text;\
		3781	};\
		3782	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3783	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3784	break;
		3785	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3786	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3787	function read_canvas(){\
		3788	var p = 0;\
		3789	var reply = new Array();\
		3790	var name;\
		3791	var t = true;\
		3792	while(t){\
		3793	try{ name = eval('clocks'+p);\
		3794	reply[p] = parseInt((name.H+name.M/60+name.S/3600)%%12)+\":\"+parseInt((name.M + name.S/60)%%60)+\":\"+(name.S)%%60;p++}catch(e){t=false;};\
		3795	};\
		3796	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3797	return reply;\
		3798	};\
		3799	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3800	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3801	break;
		3802	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3803	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3804	function read_canvas(){\
		3805	return reply[0];\
		3806	};\
		3807	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3808	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3809	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3810	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3811	function read_canvas(){\
		3812	var len = ext_drag_images.length;\
		3813	var reply = new Array(len);\
		3814	for(var p = 0 ; p < len ; p++){\
		3815	var img = ext_drag_images[p];\
		3816	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3817	};\
		3818	return reply;\
		3819	};\
		3820	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3821	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3822	break;
		3823	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3824	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3825	function read_canvas(){\
		3826	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3827	var reply_coord = new Array();var p = 0;\
		3828	while(userdraw_x[p]){\
		3829	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3830	p++;\
		3831	};\
		3832	if(p == 0){alert(\"nothing drawn...\");return;};\
		3833	if( document.getElementById(\"canvas_input0\") ){\
		3834	var p = 0;var input_reply = new Array();\
		3835	if( document.getElementById(\"canvas_input0\")){\
		3836	var t = 0;\
		3837	while(document.getElementById(\"canvas_input\"+t)){\
		3838	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3839	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3840	p++;\
		3841	};\
		3842	t++;\
		3843	};\
		3844	};\
		3845	if( typeof userdraw_text != 'undefined' ){\
		3846	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3847	}\
		3848	else\
		3849	{\
		3850	return reply_coord+\"\\n\"+input_reply;\
		3851	}\
		3852	}\
		3853	else\
		3854	{\
		3855	if( typeof userdraw_text != 'undefined' ){\
		3856	return reply_coord+\"\\n\"+userdraw_text;\
		3857	}\
		3858	else\
		3859	{\
		3860	return reply_coord;\
		3861	};\
		3862	};\
		3863	};\
		3864	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3865	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3866	break;
		3867	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3868	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3869	function read_canvas(){\
		3870	var reply = new Array();\
		3871	var p = 0;\
		3872	var idx = 0;\
		3873	while(userdraw_x[p]){\
		3874	reply[idx] = px2x(userdraw_x[p]);\
		3875	idx++;\
		3876	reply[idx] = px2y(userdraw_y[p]);\
		3877	idx++;p++;\
		3878	};\
		3879	if(p == 0){alert(\"nothing drawn...\");return;};\
		3880	if( document.getElementById(\"canvas_input0\") ){\
		3881	var p = 0;var input_reply = new Array();\
		3882	if( document.getElementById(\"canvas_input0\")){\
		3883	var t = 0;\
		3884	while(document.getElementById(\"canvas_input\"+t)){\
		3885	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3886	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3887	p++;\
		3888	};\
		3889	t++;\
		3890	};\
		3891	};\
		3892	if( typeof userdraw_text != 'undefined' ){\
		3893	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3894	}\
		3895	else\
		3896	{\
		3897	return reply +\"\\n\"+input_reply;\
		3898	}\
		3899	}\
		3900	else\
		3901	{\
		3902	if( typeof userdraw_text != 'undefined' ){\
		3903	return reply +\"\\n\"+userdraw_text;\
		3904	}\
		3905	else\
		3906	{\
		3907	return reply;\
		3908	}\
		3909	};\
		3910	};\
		3911	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3912	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3913	break;
7782	schaersvoo	3914	case 23: fprintf(js_include_file,"\
		3915	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3916	function read_canvas(){\
		3917	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3918	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3919	var lu = userdraw_x.length;\
		3920	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3921	var marge = 5;\
		3922	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3923	for(var i = 0; i < lu - 1 ; i++ ){\
		3924	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3925	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3926	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3927	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3928	p++;\
		3929	};\
		3930	};\
		3931	};\
		3932	if( document.getElementById(\"canvas_input0\")){\
		3933	var p = 0;var input_reply = new Array();\
		3934	if( document.getElementById(\"canvas_input0\")){\
		3935	var t = 0;\
		3936	while(document.getElementById(\"canvas_input\"+t)){\
		3937	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3938	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3939	p++;\
		3940	};\
		3941	t++;\
		3942	};\
		3943	};\
		3944	if( typeof userdraw_text != 'undefined' ){\
		3945	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3946	}\
		3947	else\
		3948	{\
		3949	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3950	}\
		3951	}\
		3952	else\
		3953	{\
		3954	if( typeof userdraw_text != 'undefined' ){\
		3955	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3956	}\
		3957	else\
		3958	{\
		3959	return reply_x+\"\\n\"+reply_y;\
		3960	};\
		3961	};\
		3962	};\
		3963	this.read_canvas = read_canvas;\n\
		3964	<!-- end function 23 read_canvas() -->");
		3965	break;
7614	schaersvoo	3966
		3967	default: canvas_error("hmmm unknown replyformat...");break;
		3968	}
		3969	return;
		3970	}
		3971
		3972
		3973	/*
		3974	add drawfunction :
		3975	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		3976	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		3977	- grid / mathml
		3978	- will not scale or zoom in
		3979	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
		3980	- is printed directly into 'js_include_file'
		3981	*/
		3982
		3983	void add_javascript_functions(int js_functions[],int canvas_root_id){
		3984	int i;
		3985	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		3986	if( js_functions[i] == 1){
		3987	switch(i){
		3988	case DRAG_EXTERNAL_IMAGE:
		3989	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	3990	var external_canvas = create_canvas%d(7,xsize,ysize);\
		3991	var external_ctx = external_canvas.getContext(\"2d\");\
		3992	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		3993	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		3994	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		3995	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		3996	var selected_image = null;\
		3997	var ext_image_cnt = 0;\
		3998	var ext_drag_images = new Array();\
		3999	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4000	ext_image_cnt = idx;\
		4001	var image = new Image();\
		4002	image.src = URL;\
		4003	image.onload = function(){\
		4004	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4005	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4006	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4007	img = new Array(10);\
		4008	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4009	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4010	ext_drag_images[idx] = img;\
		4011	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4012	};\
		4013	};\
		4014	function dragstop(evt){\
		4015	selected_image = null;return;\
		4016	};\
		4017	function dragxy(evt){\
		4018	if( selected_image != null ){\
		4019	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4020	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4021	var s_img = ext_drag_images[selected_image];\
		4022	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4023	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4024	ext_drag_images[selected_image] = s_img;\
		4025	external_ctx.clearRect(0,0,xsize,ysize);\
		4026	for(var i = 0; i <= ext_image_cnt ; i++){\
		4027	var img = ext_drag_images[i];\
		4028	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4029	};\
		4030	};\
		4031	};\
		4032	function setxy(evt){\
		4033	if( ! selected_image && evt.which == 1 ){\
		4034	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4035	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4036	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4037	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4038	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4039	var img = ext_drag_images[p];\
		4040	if( img[0] == 1 ){\
		4041	var w = img.width;\
		4042	var h = img.height;\
		4043	if( xm > img[6] && xm < img[6] + img[4]){\
		4044	if( ym > img[7] && ym < img[7] + img[5]){\
		4045	img[6] = xm;\
		4046	img[7] = ym;\
		4047	ext_drag_images[p] = img;\
		4048	selected_image = p;\
		4049	dragxy(evt);\
		4050	};\
		4051	};\
		4052	};\
		4053	};\
		4054	}\
		4055	else\
		4056	{\
		4057	selected_image = null;\
		4058	};\
7614	schaersvoo	4059	};",canvas_root_id);
		4060	break;
		4061
		4062	case DRAW_EXTERNAL_IMAGE:
		4063	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4064	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4065	var image = new Image();\
		4066	image.src = URL;\
		4067	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4068	image.onload = function(){\
		4069	if( x0 < 1 ){ x0 = 0; };\
		4070	if( y0 < 1 ){ y0 = 0; };\
		4071	if( sx < 1 ){ sx = 0; };\
		4072	if( sy < 1 ){ sy = 0; };\
		4073	if( width < 1 ){ width = image.width;};\
		4074	if( height < 1 ){ height = image.height;};\
		4075	if( swidth < 1 ){ swidth = image.width;};\
		4076	if( sheight < 1 ){ sheight = image.height;};\
		4077	var ml = x0 - sx;\
		4078	var mh = y0 - sy;\
		4079	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4080	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4081	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4082	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4083	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4084	};\
7653	schaersvoo	4085	};",canvas_root_id);
7614	schaersvoo	4086	break;
		4087
		4088	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4089	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4090	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4091	var obj;\
		4092	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4093	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4094	}\
		4095	else\
		4096	{\
		4097	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4098	};\
		4099	var ctx = obj.getContext(\"2d\");\
		4100	ctx.font =\"18px Ariel\";\
		4101	ctx.textAlign = \"right\";\
		4102	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4103	ctx.fillText(\"+\",xsize,ysize);\
		4104	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4105	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4106	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4107	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4108	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4109	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4110	ctx.stroke();\
7653	schaersvoo	4111	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4112
		4113	break;
		4114	case DRAW_GRIDFILL:/* not used for userdraw */
		4115	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4116	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4117	var obj;\
		4118	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4119	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4120	}\
		4121	else\
		4122	{\
		4123	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4124	};\
		4125	var ctx = obj.getContext(\"2d\");\
		4126	var x,y;\
		4127	ctx.save();\
		4128	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4129	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4130	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4131	ctx.moveTo(x,y0);\
		4132	ctx.lineTo(x,ysize);\
		4133	};\
7645	schaersvoo	4134	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4135	ctx.moveTo(x0,y);\
		4136	ctx.lineTo(xsize,y);\
		4137	};\
		4138	ctx.stroke();\
		4139	ctx.restore();\
7653	schaersvoo	4140	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4141	break;
		4142
		4143	case DRAW_IMAGEFILL:/* not used for userdraw */
		4144	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4145	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4146	var obj;\
		4147	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4148	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4149	}\
		4150	else\
		4151	{\
		4152	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4153	};\
		4154	var ctx = obj.getContext(\"2d\");\
		4155	ctx.save();\
		4156	var img = new Image();\
		4157	img.src = URL;\
		4158	img.onload = function(){\
		4159	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4160	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4161	}\
		4162	else\
		4163	{\
		4164	var repeat = \"repeat\";\
		4165	if(img.width > xsize - x0){\
		4166	repeat = \"repeat-y\";\
		4167	}\
		4168	else\
		4169	{\
		4170	if( img.height > ysize -x0 ){\
		4171	repeat = \"repeat-x\";\
		4172	}\
		4173	}\
		4174	var pattern = ctx.createPattern(img,repeat);\
		4175	ctx.rect(x0,y0,xsize,ysize);\
		4176	ctx.fillStyle = pattern;\
		4177	}\
		4178	ctx.fill();\
		4179	};\
		4180	ctx.restore();\
		4181	return;\
7653	schaersvoo	4182	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4183	break;
		4184
		4185	case DRAW_DOTFILL:/* not used for userdraw */
		4186	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4187	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4188	var obj;\
		4189	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4190	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4191	}\
		4192	else\
		4193	{\
		4194	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4195	};\
		4196	var ctx = obj.getContext(\"2d\");\
		4197	var x,y;\
		4198	ctx.closePath();\
		4199	ctx.save();\
7645	schaersvoo	4200	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4201	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4202	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4203	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4204	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4205	ctx.closePath();\
		4206	}\
		4207	}\
		4208	ctx.fill();\
		4209	ctx.restore();\
7653	schaersvoo	4210	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4211	break;
7645	schaersvoo	4212
7647	schaersvoo	4213	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4214	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4215	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4216	var obj;\
		4217	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4218	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4219	}\
		4220	else\
		4221	{\
		4222	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4223	};\
		4224	var ctx = obj.getContext(\"2d\");\
		4225	var x;\
		4226	var y;\
		4227	ctx.save();\
		4228	ctx.lineWidth = linewidth;\
		4229	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4230	y = ysize;\
		4231	for( x = x0 ; x < xsize ; x = x + dx ){\
		4232	ctx.moveTo(x,y0);\
		4233	ctx.lineTo(xsize,y);\
		4234	y = y - dy;\
		4235	};\
		4236	y = y0;\
		4237	for( x = xsize ; x > 0 ; x = x - dx){\
		4238	ctx.moveTo(x,ysize);\
		4239	ctx.lineTo(x0,y);\
		4240	y = y + dy;\
		4241	};\
		4242	x = x0;\
		4243	for( y = y0 ; y < ysize ; y = y + dy ){\
		4244	ctx.moveTo(xsize,y);\
		4245	ctx.lineTo(x,ysize);\
		4246	x = x + dx;\
		4247	};\
		4248	x = xsize;\
		4249	for( y = ysize ; y > y0 ; y = y - dy ){\
		4250	ctx.moveTo(x,y0);\
		4251	ctx.lineTo(x0,y);\
		4252	x = x - dx;\
		4253	};\
		4254	ctx.stroke();\
		4255	ctx.restore();\
		4256	return;\
7653	schaersvoo	4257	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4258	break;
7647	schaersvoo	4259
		4260	case DRAW_HATCHFILL:/* not used for userdraw */
		4261	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4262	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4263	var obj;\
		4264	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4265	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4266	}\
		4267	else\
		4268	{\
		4269	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4270	};\
		4271	var ctx = obj.getContext(\"2d\");\
		4272	var x;\
		4273	var y;\
		4274	ctx.save();\
		4275	ctx.lineWidth = linewidth;\
		4276	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4277	y = ysize;\
		4278	for( x = x0 ; x < xsize ; x = x + dx ){\
		4279	ctx.moveTo(x,y0);\
		4280	ctx.lineTo(xsize,y);\
		4281	y = y - dy;\
		4282	};\
		4283	y = y0;\
		4284	for( x = xsize ; x >= dx ; x = x - dx){\
		4285	ctx.moveTo(x,ysize);\
		4286	ctx.lineTo(x0,y);\
		4287	y = y + dy;\
		4288	};\
		4289	ctx.stroke();\
		4290	ctx.restore();\
		4291	return;\
7653	schaersvoo	4292	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4293	break;
7614	schaersvoo	4294	case DRAW_CIRCLES:/* used for userdraw */
		4295	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4296	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_translate,vector){\
		4297	ctx.save();\
		4298	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4299	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4300	ctx.lineWidth = line_width;\
		4301	for(var p = 0 ; p < x_points.length ; p++ ){\
		4302	ctx.beginPath();\
		4303	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4304	ctx.closePath();\
		4305	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4306	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4307	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4308	ctx.stroke();\
		4309	}\
		4310	ctx.restore();\
		4311	return;\
7653	schaersvoo	4312	};");
7614	schaersvoo	4313	break;
7663	schaersvoo	4314	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4315	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4316	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4317	ctx.save();\
		4318	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4319	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4320	ctx.lineWidth = line_width;\
		4321	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4322	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4323	ctx.clearRect(0,0,xsize,ysize);\
		4324	ctx.beginPath();\
		4325	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4326	ctx.moveTo(x_points[p],y_points[p]);\
		4327	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4328	}\
		4329	ctx.closePath();\
		4330	ctx.stroke();\
		4331	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4332	for(var p = 0 ; p < x_points.length ; p++ ){\
		4333	ctx.beginPath();\
		4334	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4335	ctx.closePath();ctx.fill();ctx.stroke();\
		4336	};\
		4337	ctx.restore();\
		4338	return;\
		4339	};");
		4340	break;
7614	schaersvoo	4341
		4342	case DRAW_SEGMENTS:/* used for userdraw */
		4343	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4344	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4345	ctx.save();\
		4346	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4347	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4348	ctx.lineWidth = line_width;\
		4349	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4350	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4351	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4352	ctx.beginPath();\
		4353	ctx.moveTo(x_points[p],y_points[p]);\
		4354	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4355	ctx.closePath();\
		4356	ctx.stroke();\
		4357	}\
		4358	ctx.restore();\
		4359	return;\
		4360	};");
		4361	break;
		4362
		4363	case DRAW_LINES:/* used for userdraw */
		4364	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4365	function calc_line(x1,x2,y1,y2){\
		4366	var marge = 2;\
		4367	if(x1 < x2+marge && x1>x2-marge){\
		4368	return [x1,0,x1,ysize];\
		4369	};\
		4370	if(y1 < y2+marge && y1>y2-marge){\
		4371	return [0,y1,xsize,y1];\
		4372	};\
		4373	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4374	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4375	return [0,Y1,xsize,Y2];\
		4376	};\
		4377	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4378	ctx.save();\
		4379	var line = new Array(4);\
		4380	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4381	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4382	ctx.lineWidth = line_width;\
		4383	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4384	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4385	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4386	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4387	ctx.beginPath();\
		4388	ctx.moveTo(line[0],line[1]);\
		4389	ctx.lineTo(line[2],line[3]);\
		4390	ctx.closePath();\
		4391	ctx.stroke();\
		4392	}\
		4393	ctx.restore();\
		4394	return;\
		4395	};");
		4396	break;
		4397
		4398	case DRAW_CROSSHAIRS:/* used for userdraw */
		4399	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4400	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4401	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4402	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4403	ctx.lineWidth = line_width;\
		4404	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4405	var x1,x2,y1,y2;\
		4406	for(var p = 0 ; p < x_points.length ; p++ ){\
		4407	x1 = x_points[p] - crosshair_size;\
		4408	x2 = x_points[p] + crosshair_size;\
		4409	y1 = y_points[p] - crosshair_size;\
		4410	y2 = y_points[p] + crosshair_size;\
		4411	ctx.beginPath();\
		4412	ctx.moveTo(x1,y1);\
		4413	ctx.lineTo(x2,y2);\
		4414	ctx.closePath();\
		4415	ctx.stroke();\
		4416	ctx.beginPath();\
		4417	ctx.moveTo(x2,y1);\
		4418	ctx.lineTo(x1,y2);\
		4419	ctx.closePath();\
		4420	ctx.stroke();\
		4421	}\
		4422	ctx.restore();\
		4423	return;\
7653	schaersvoo	4424	};");
7614	schaersvoo	4425	break;
		4426
		4427	case DRAW_RECTS:/* used for userdraw */
		4428	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4429	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_translate,vector){\
		4430	ctx.save();\
		4431	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4432	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4433	ctx.lineWidth = line_width;\
		4434	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4435	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4436	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4437	ctx.beginPath();\
		4438	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4439	ctx.closePath();\
		4440	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4441	ctx.stroke();\
		4442	};\
		4443	ctx.restore();\
		4444	return;\
7653	schaersvoo	4445	};");
7614	schaersvoo	4446	break;
		4447
		4448	case DRAW_ROUNDRECTS:/* used for userdraw */
		4449	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4450	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_translate,vector){\
		4451	ctx.save();\
		4452	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4453	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4454	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4455	var x,y,w,h,r;\
		4456	for(var p = 0; p < x_points.length; p = p+2){\
		4457	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);\
		4458	ctx.beginPath();ctx.moveTo(x + r, y);\
		4459	ctx.lineTo(x + w - r, y);\
		4460	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4461	ctx.lineTo(x + w, y + h - r);\
		4462	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4463	ctx.lineTo(x + r, y + h);\
		4464	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4465	ctx.lineTo(x, y + r);\
		4466	ctx.quadraticCurveTo(x, y, x + r, y);\
		4467	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4468	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4469	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4470	ctx.stroke();\
		4471	}\
		4472	ctx.restore();\
7653	schaersvoo	4473	};");
7614	schaersvoo	4474	break;
		4475
		4476	case DRAW_ELLIPSES:/* not used for userdraw */
		4477	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4478	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_translate,vector){\
		4479	var obj;\
		4480	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4481	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4482	}\
		4483	else\
		4484	{\
		4485	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4486	};\
		4487	var ctx = obj.getContext(\"2d\");\
		4488	ctx.save();\
		4489	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4490	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4491	var cx,cy,ry,rx;\
		4492	ctx.lineWidth = line_width;\
		4493	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4494	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4495	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4496	for(var p=0;p< x_points.length;p = p+2){\
		4497	ctx.beginPath();\
		4498	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4499	ctx.translate(cx - rx, cy - ry);\
		4500	ctx.scale(rx, ry);\
		4501	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4502	if( use_filled == 1 ){ctx.fill();}\
		4503	ctx.stroke();\
		4504	};\
		4505	ctx.restore();\
7653	schaersvoo	4506	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4507	break;
		4508
		4509	case DRAW_PATHS: /* used for userdraw */
		4510	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4511	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_translate,vector){\
		4512	ctx.save();\
		4513	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4514	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4515	ctx.lineWidth = line_width;\
		4516	ctx.lineJoin = \"round\";\
		4517	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4518	ctx.beginPath();\
		4519	ctx.moveTo(x_points[0],y_points[0]);\
		4520	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4521	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4522	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4523	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4524	ctx.stroke();\
		4525	ctx.restore();\
		4526	return;\
		4527	};");
		4528
		4529	break;
		4530	case DRAW_ARROWS:/* used for userdraw */
		4531	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4532	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_translate,vector){\
		4533	ctx.save();\
		4534	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4535	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4536	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4537	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4538	ctx.lineWidth = line_width;\
		4539	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4540	ctx.lineCap = \"round\";\
		4541	ctx.save();\
		4542	var x1,y1,x2,y2,dx,dy,len;\
		4543	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4544	ctx.restore();ctx.save();\
		4545	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4546	len = Math.sqrt(dxdx+dydy);\
		4547	ctx.translate(x2,y2);\
		4548	ctx.rotate(Math.atan2(dy,dx));\
		4549	ctx.lineCap = \"round\";\
		4550	ctx.beginPath();\
		4551	ctx.moveTo(0,0);\
		4552	ctx.lineTo(-len,0);\
		4553	ctx.closePath();\
		4554	ctx.stroke();\
		4555	ctx.beginPath();\
		4556	ctx.moveTo(0,0);\
		4557	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4558	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4559	ctx.closePath();\
		4560	ctx.fill();\
		4561	if( type == 2 ){\
		4562	ctx.restore();\
		4563	ctx.save();\
		4564	ctx.translate(x1,y1);\
		4565	ctx.rotate(Math.atan2(-dy,-dx));\
		4566	ctx.beginPath();\
		4567	ctx.moveTo(0,0);\
		4568	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4569	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4570	ctx.closePath();\
		4571	ctx.stroke();\
		4572	ctx.fill();\
		4573	}\
		4574	}\
		4575	ctx.restore();\
		4576	return;\
7653	schaersvoo	4577	};");
7614	schaersvoo	4578	break;
		4579
		4580	case DRAW_VIDEO:/* not used for userdraw */
		4581	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4582	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4583	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4584	var video_div = document.createElement(\"div\");\
		4585	canvas_div.appendChild(video_div);\
		4586	video_div.style.position = \"absolute\";\
		4587	video_div.style.left = x+\"px\";\
		4588	video_div.style.top = y+\"px\";\
		4589	video_div.style.width = w+\"px\";\
		4590	video_div.style.height = h+\"px\";\
		4591	var video = document.createElement(\"video\");\
		4592	video_div.appendChild(video);\
		4593	video.style.width = w+\"px\";\
		4594	video.style.height = h+\"px\";\
		4595	video.autobuffer = true;\
		4596	video.controls = true;video.autoplay = false;\
		4597	var src = document.createElement(\"source\");\
		4598	src.type = \"video/mp4\";\
		4599	src.src = URL;\
		4600	video.appendChild(src);\
		4601	video.load();\
		4602	return;\
7653	schaersvoo	4603	};");
7614	schaersvoo	4604	break;
		4605
		4606	case DRAW_AUDIO:/* not used for userdraw */
		4607	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4608	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4609	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4610	var audio_div = document.createElement(\"div\");\
		4611	canvas_div.appendChild(audio_div);\
		4612	audio_div.style.position = \"absolute\";\
		4613	audio_div.style.left = x+\"px\";\
		4614	audio_div.style.top = y+\"px\";\
		4615	audio_div.style.width = w+\"px\";\
		4616	audio_div.style.height = h+\"px\";\
		4617	var audio = document.createElement(\"audio\");\
		4618	audio_div.appendChild(audio);\
		4619	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4620	audio.autobuffer = true;\
		4621	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4622	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4623	var src1 = document.createElement(\"source\");\
		4624	src1.type = \"audio/ogg\";\
		4625	src1.src = URL1;\
		4626	audio.appendChild(src1);\
		4627	var src2 = document.createElement(\"source\");\
		4628	src2.type = \"audio/mpeg\";\
		4629	src2.src = URL2;\
		4630	audio.appendChild(src2);\
		4631	audio.load();\
		4632	return;\
7653	schaersvoo	4633	};");
7614	schaersvoo	4634	break;
		4635
		4636	case DRAW_HTTP:/* not used for userdraw */
		4637	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4638	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4639	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4640	var http_div = document.createElement(\"div\");\
		4641	var iframe = document.createElement(\"iframe\");\
		4642	canvas_div.appendChild(http_div);\
		4643	http_div.appendChild(iframe);\
		4644	iframe.src = URL;\
		4645	iframe.setAttribute(\"width\",w);\
		4646	iframe.setAttribute(\"height\",h);\
		4647	return;\
7653	schaersvoo	4648	};");
7614	schaersvoo	4649	break;
		4650
		4651	case DRAW_XML:
		4652	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4653	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4654	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4655	var xml_div = document.createElement(\"div\");\
		4656	canvas_div.appendChild(xml_div);\
		4657	xml_div.innerHTML = mathml;\
		4658	if(onclick != 0){\
		4659	xml_div.onclick = function(){\
		4660	reply[0] = onclick;\
		4661	alert(\"send \"+onclick+\" ?\");\
		4662	};\
		4663	};\
		4664	xml_div.style.position = \"absolute\";\
		4665	xml_div.style.left = x+\"px\";\
		4666	xml_div.style.top = y+\"px\";\
		4667	xml_div.style.width = w+\"px\";\
		4668	xml_div.style.height = h+\"px\";\
		4669	return;\
7653	schaersvoo	4670	};"
7614	schaersvoo	4671	);
		4672	break;
7654	schaersvoo	4673	case DRAW_SGRAPH:
		4674	/*
		4675	xstart = given
		4676	ystart = given
		4677	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4678	*/
		4679	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4680	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4681	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);};\
		4682	var ctx = obj.getContext(\"2d\");\
		4683	ctx.font = fontfamily;\
		4684	var minor_opacity = 0.8*opacity;\
		4685	ctx.clearRect(0,0,xsize,ysize);\
		4686	var d_x = 1.8*font_size;\
		4687	var d_y = ctx.measureText(\"+ymax+\").width;\
		4688	var dx = xsize / (xmax - xmin);\
		4689	var dy = ysize / (ymax - ymin);\
		4690	var zero_x = d_y + dx;\
		4691	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4692	var snor_x;\
7654	schaersvoo	4693	if( xstart != xmin){\
7658	schaersvoo	4694	snor_x = 0.1*xsize;\
		4695	}\
		4696	else\
		4697	{\
		4698	snor_x = 0;\
		4699	xstart = xmin;\
		4700	};\
		4701	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4702	ctx.lineWidth = 2;\
		4703	ctx.beginPath();\
		4704	ctx.moveTo(xsize,zero_y);\
		4705	ctx.lineTo(zero_x,zero_y);\
		4706	ctx.lineTo(zero_x,0);\
		4707	ctx.stroke();\
		4708	ctx.closePath();\
		4709	ctx.beginPath();\
		4710	ctx.moveTo(zero_x,zero_y);\
		4711	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4712	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4713	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4714	ctx.lineTo(zero_x + snor_x,zero_y);\
		4715	ctx.stroke();\
		4716	ctx.closePath();\
		4717	ctx.beginPath();\
		4718	var num = xstart;\
7660	schaersvoo	4719	var flipflop = 1;\
7658	schaersvoo	4720	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4721	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4722	if( 0.5*ctx.measureText(num).width > step_x ){\
		4723	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4724	};\
		4725	if( flipflop == 1){\
7658	schaersvoo	4726	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4727	}\
		4728	else\
		4729	{\
		4730	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4731	}\
		4732	num = num + xmajor;\
		4733	};\
		4734	ctx.stroke();\
		4735	ctx.closePath();\
		4736	ctx.lineWidth = 1;\
		4737	ctx.beginPath();\
		4738	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4739	ctx.moveTo(x,zero_y);\
		4740	ctx.lineTo(x,0);\
		4741	};\
		4742	ctx.stroke();\
		4743	ctx.closePath();\
		4744	if( xminor > 1){\
		4745	ctx.lineWidth = 0.5;\
		4746	ctx.beginPath();\
		4747	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4748	var minor_step_x = step_x / xminor;\
		4749	var nx;\
		4750	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4751	num = 1;\
		4752	for(var p = 1 ; p < xminor ; p++){\
		4753	nx = x + num*minor_step_x;\
		4754	ctx.moveTo(nx,zero_y);\
		4755	ctx.lineTo(nx,0);\
		4756	num++;\
		4757	};\
		4758	};\
		4759	ctx.stroke();\
		4760	ctx.closePath();\
		4761	ctx.beginPath();\
		4762	ctx.lineWidth = 2;\
		4763	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4764	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4765	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4766	};\
		4767	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4768	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4769	};\
		4770	ctx.stroke();\
		4771	ctx.closePath();\
		4772	ctx.lineWidth = 0.5;\
		4773	};\
		4774	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4775	if( ystart != ymin){\
		4776	snor_y = 0.1*ysize;\
		4777	}\
		4778	else\
		4779	{\
		4780	snor_y = 0;\
		4781	ystart = ymin;\
		4782	};\
		4783	ctx.lineWidth = 2;\
		4784	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4785	ctx.beginPath();\
		4786	ctx.moveTo(zero_x,zero_y);\
		4787	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4788	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4789	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4790	ctx.lineTo(zero_x,zero_y - snor_y);\
		4791	ctx.stroke();\
		4792	ctx.closePath();\
		4793	ctx.beginPath();\
		4794	ctx.lineWidth = 1;\
		4795	num = ystart;\
		4796	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4797	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4798	ctx.moveTo(zero_x,y);\
		4799	ctx.lineTo(xsize,y);\
		4800	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4801	num = num + ymajor;\
		4802	};\
		4803	ctx.stroke();\
		4804	ctx.closePath();\
		4805	if( yminor > 1){\
		4806	ctx.lineWidth = 0.5;\
		4807	ctx.beginPath();\
		4808	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4809	var minor_step_y = step_y / yminor;\
		4810	var ny;\
		4811	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4812	num = 1;\
		4813	for(var p = 1 ;p < yminor;p++){\
		4814	ny = y + num*minor_step_y;\
		4815	ctx.moveTo(zero_x,ny);\
		4816	ctx.lineTo(xsize,ny);\
		4817	num++;\
		4818	};\
		4819	};\
		4820	ctx.stroke();\
		4821	ctx.closePath();\
		4822	ctx.lineWidth = 2;\
		4823	ctx.beginPath();\
		4824	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4825	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4826	ctx.moveTo(zero_x,y);\
		4827	ctx.lineTo(zero_x+12,y);\
		4828	};\
		4829	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4830	ctx.moveTo(zero_x,y);\
		4831	ctx.lineTo(zero_x+6,y);\
		4832	};\
		4833	ctx.stroke();\
		4834	ctx.closePath();\
		4835	};\
		4836	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4837	if( typeof legend%d !== 'undefined' ){\
		4838	ctx.globalAlpha = 1.0;\
		4839	var y_offset = 2*font_size;\
		4840	var txt;var txt_size;\
		4841	var x_offset = xsize - 2*font_size;\
		4842	var l_length = legend%d.length;var barcolor = new Array();\
		4843	if( typeof legendcolors%d !== 'undefined' ){\
		4844	for(var p = 0 ; p < l_length ; p++){\
		4845	barcolor[p] = legendcolors%d[p];\
		4846	};\
		4847	}else{\
		4848	if( barcolor.length == 0 ){\
		4849	for(var p = 0 ; p < l_length ; p++){\
		4850	barcolor[p] = stroke_color;\
		4851	};\
		4852	};\
		4853	};\
		4854	for(var p = 0; p < l_length; p++){\
		4855	ctx.fillStyle = barcolor[p];\
		4856	txt = legend%d[p];\
		4857	txt_size = ctx.measureText(txt).width;\
		4858	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4859	y_offset = parseInt(y_offset + 1.5*font_size);\
		4860	};\
		4861	};\
7660	schaersvoo	4862	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4863	ctx.fillStyle = \'#000000\';\
		4864	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4865	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4866	};\
7660	schaersvoo	4867	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4868	ctx.save();\
		4869	ctx.fillStyle = \'#000000\';\
		4870	var txt_size = ctx.measureText(yaxislabel).width;\
		4871	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4872	ctx.rotate(-0.5*Math.PI);\
		4873	ctx.fillText(yaxislabel,0,0);\
		4874	ctx.save();\
		4875	};\
7654	schaersvoo	4876	};\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);
		4877	break;
7614	schaersvoo	4878
		4879	case DRAW_GRID:/* not used for userdraw */
		4880	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4881	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_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
		4882	var obj;\
		4883	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4884	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4885	}\
		4886	else\
		4887	{\
		4888	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4889	};\
		4890	var ctx = obj.getContext(\"2d\");\
		4891	ctx.clearRect(0,0,xsize,ysize);\
		4892	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4893	ctx.save();\
		4894	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4895	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4896	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4897	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4898	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4899	ctx.font = font_family;\
		4900	var xstep = xsize*xmajor/(xmax - xmin);\
		4901	var ystep = ysize*ymajor/(ymax - ymin);\
		4902	var x2step = xstep / xminor;\
		4903	var y2step = ystep / yminor;\
7654	schaersvoo	4904	var zero_x;var zero_y;var f_x;var f_y;\
		4905	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4906	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4907	ctx.beginPath();\
		4908	ctx.lineWidth = line_width;\
		4909	ctx.strokeStyle = stroke_color;\
		4910	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4911	ctx.moveTo(p,0);\
		4912	ctx.lineTo(p,ysize);\
		4913	};\
		4914	for(var p = zero_x ; p > 0; p = p - xstep){\
		4915	ctx.moveTo(p,0);\
		4916	ctx.lineTo(p,ysize);\
		4917	};\
		4918	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4919	ctx.moveTo(0,p);\
		4920	ctx.lineTo(xsize,p);\
		4921	};\
		4922	for(var p = zero_y ; p > 0; p = p - ystep){\
		4923	ctx.moveTo(0,p);\
		4924	ctx.lineTo(xsize,p);\
		4925	};\
		4926	if( typeof xaxislabel !== 'undefined' ){\
		4927	ctx.save();\
		4928	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4929	var corr = ctx.measureText(xaxislabel).width;\
		4930	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		4931	ctx.restore();\
		4932	};\
		4933	if( typeof yaxislabel !== 'undefined' ){\
		4934	ctx.save();\
		4935	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4936	corr = ctx.measureText(yaxislabel).width;\
		4937	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		4938	ctx.rotate(-0.5*Math.PI);\
		4939	ctx.fillText(yaxislabel,0,0);\
		4940	ctx.restore();\
		4941	};\
		4942	ctx.stroke();\
		4943	ctx.closePath();\
		4944	if( use_axis == 1 ){\
		4945	ctx.beginPath();\
		4946	ctx.strokeStyle = stroke_color;\
		4947	ctx.lineWidth = 0.6*line_width;\
		4948	for(var p = zero_x ; p < xsize; p = p + x2step){\
		4949	ctx.moveTo(p,0);\
		4950	ctx.lineTo(p,ysize);\
		4951	};\
		4952	for(var p = zero_x ; p > 0; p = p - x2step){\
		4953	ctx.moveTo(p,0);\
		4954	ctx.lineTo(p,ysize);\
		4955	};\
		4956	for(var p = zero_y ; p < ysize; p = p + y2step){\
		4957	ctx.moveTo(0,p);\
		4958	ctx.lineTo(xsize,p);\
		4959	};\
		4960	for(var p = zero_y ; p > 0; p = p - y2step){\
		4961	ctx.moveTo(0,p);\
		4962	ctx.lineTo(xsize,p);\
		4963	};\
		4964	ctx.stroke();\
		4965	ctx.closePath();\
		4966	ctx.beginPath();\
		4967	ctx.lineWidth = 2*line_width;\
		4968	ctx.strokeStyle = axis_color;\
		4969	ctx.moveTo(0,zero_y);\
		4970	ctx.lineTo(xsize,zero_y);\
		4971	ctx.moveTo(zero_x,0);\
		4972	ctx.lineTo(zero_x,ysize);\
		4973	ctx.stroke();\
		4974	ctx.closePath();\
		4975	ctx.lineWidth = line_width+0.5;\
		4976	ctx.beginPath();\
		4977	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4978	ctx.moveTo(p,zero_y-tics_length);\
		4979	ctx.lineTo(p,zero_y+tics_length);\
		4980	};\
		4981	for(var p = zero_x ; p > 0; p = p - xstep){\
		4982	ctx.moveTo(p,zero_y-tics_length);\
		4983	ctx.lineTo(p,zero_y+tics_length);\
		4984	};\
		4985	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4986	ctx.moveTo(zero_x-tics_length,p);\
		4987	ctx.lineTo(zero_x+tics_length,p);\
		4988	};\
		4989	for(var p = zero_y ; p > 0; p = p - ystep){\
		4990	ctx.moveTo(zero_x-tics_length,p);\
		4991	ctx.lineTo(zero_x+tics_length,p);\
		4992	};\
		4993	for(var p = zero_x ; p < xsize; p = p + x2step){\
		4994	ctx.moveTo(p,zero_y-0.5*tics_length);\
		4995	ctx.lineTo(p,zero_y+0.5*tics_length);\
		4996	};\
		4997	for(var p = zero_x ; p > 0; p = p - x2step){\
		4998	ctx.moveTo(p,zero_y-0.5*tics_length);\
		4999	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5000	};\
		5001	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5002	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5003	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5004	};\
		5005	for(var p = zero_y ; p > 0; p = p - y2step){\
		5006	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5007	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5008	};\
		5009	ctx.stroke();\
		5010	ctx.closePath();\
		5011	if( use_axis_numbering == 1 ){\
		5012	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5013	if( x_strings != null ){\
		5014	var f = 1.4;\
		5015	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5016	for(var p = 0 ; p < len ; p = p+2){\
		5017	var x_nums = x2px(eval(x_strings[p]));\
		5018	var x_text = x_strings[p+1];\
		5019	corr = ctx.measureText(x_text).width;\
		5020	skip = 1.2*corr/xstep;\
		5021	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5022	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5023	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5024	}\
		5025	}\
		5026	else\
		5027	{\
7654	schaersvoo	5028	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5029	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5030	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5031	if(skip == 0 ){\
		5032	disp_cnt = cnt.toFixed(prec);\
		5033	corr = ctx.measureText(disp_cnt).width;\
		5034	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5035	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5036	}\
		5037	else\
		5038	{\
		5039	skip--;\
		5040	};\
		5041	cnt = cnt + xmajor;\
		5042	};\
7654	schaersvoo	5043	cnt = px2x(zero_x);skip = 1;\
		5044	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5045	if(skip == 0 ){\
		5046	disp_cnt = cnt.toFixed(prec);\
		5047	corr = ctx.measureText(disp_cnt).width;\
		5048	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5049	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5050	}\
		5051	else\
		5052	{\
		5053	skip--;\
		5054	};\
		5055	cnt = cnt - xmajor;\
		5056	};\
		5057	};\
		5058	if( y_strings != null ){\
		5059	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5060	for(var p = 0 ; p < len ; p = p+2){\
		5061	var y_nums = y2px(eval(y_strings[p]));\
		5062	var y_text = y_strings[p+1];\
		5063	var f = 1.4;\
		5064	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5065	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5066	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5067	};\
		5068	}\
		5069	else\
		5070	{\
7654	schaersvoo	5071	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5072	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5073	if(skip == 0 ){\
		5074	skip = parseInt(1.4*font_size/ystep);\
		5075	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5076	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5077	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5078	}\
		5079	else\
		5080	{\
		5081	skip--;\
		5082	};\
		5083	cnt = cnt - ymajor;\
		5084	}\
7654	schaersvoo	5085	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5086	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5087	if(skip == 0 ){\
		5088	skip = parseInt(1.4*font_size/ystep);\
		5089	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5090	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5091	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5092	}\
		5093	else\
		5094	{\
		5095	skip--;\
		5096	};\
		5097	cnt = cnt + ymajor;\
		5098	}\
		5099	};\
		5100	};\
		5101	ctx.strokeStyle = stroke_color;\
		5102	ctx.lineWidth = 2;\
		5103	ctx.beginPath();\
		5104	ctx.rect(0,0,xsize,ysize);\
		5105	ctx.closePath();\
		5106	ctx.stroke();\
		5107	};\
		5108	if( typeof linegraph_0 !== 'undefined' ){\
		5109	ctx.restore();\
		5110	ctx.save();\
		5111	ctx.globalAlpha = 1.0;\
		5112	var i = 0;\
		5113	var line_name = eval('linegraph_'+i);\
		5114	while ( typeof line_name !== 'undefined' ){\
		5115	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5116	ctx.lineWidth = parseInt(line_name[1]);\
		5117	if(line_name[2] == \"1\"){\
		5118	var d1 = parseInt(line_name[3]);\
		5119	var d2 = parseInt(line_name[4]);\
		5120	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5121	}\
		5122	else\
		5123	{\
		5124	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5125	if(ctx.mozDash){ctx.mozDash = null;}\
		5126	};\
		5127	var data_x = new Array();\
		5128	var data_y = new Array();\
		5129	var lb = line_name.length;\
		5130	var idx = 0;\
		5131	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5132	data_x[idx] = x2px(line_name[p]);\
		5133	data_y[idx] = y2px(line_name[p+1]);\
		5134	idx++;\
		5135	};\
		5136	for( var p = 0; p < idx ; p++){\
		5137	ctx.beginPath();\
		5138	ctx.moveTo(data_x[p],data_y[p]);\
		5139	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5140	ctx.stroke();\
		5141	ctx.closePath();\
		5142	};\
		5143	i++;\
		5144	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5145	};\
		5146	};\
		5147	var barcolor = new Array();\
		5148	if( typeof barchart%d !== 'undefined' ){\
		5149	ctx.restore();\
		5150	ctx.save();\
		5151	ctx.globalAlpha = 1.0;\
		5152	var bar_x = new Array();\
		5153	var bar_y = new Array();\
		5154	var lb = barchart%d.length;\
		5155	var idx = 0;\
		5156	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5157	bar_x[idx] = x2px(barchart%d[p]);\
		5158	bar_y[idx] = y2px(barchart%d[p+1]);\
		5159	barcolor[idx] = barchart%d[p+2];\
		5160	idx++;\
		5161	};\
		5162	var dx = parseInt(0.6*xstep);\
		5163	ctx.globalAlpha = fill_opacity;\
		5164	for( var p = 0; p < idx ; p++ ){\
		5165	ctx.beginPath();\
		5166	ctx.strokeStyle = barcolor[p];\
		5167	ctx.fillStyle = barcolor[p];\
		5168	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5169	ctx.fill();\
		5170	ctx.stroke();\
		5171	ctx.closePath();\
		5172	};\
		5173	};\
		5174	if( typeof legend%d !== 'undefined' ){\
		5175	ctx.globalAlpha = 1.0;\
		5176	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5177	var y_offset = 2*font_size;\
		5178	var txt;var txt_size;\
		5179	var x_offset = xsize - 2*font_size;\
		5180	var l_length = legend%d.length;\
		5181	if( typeof legendcolors%d !== 'undefined' ){\
		5182	for(var p = 0 ; p < l_length ; p++){\
		5183	barcolor[p] = legendcolors%d[p];\
		5184	};\
		5185	}else{\
		5186	if( barcolor.length == 0 ){\
		5187	for(var p = 0 ; p < l_length ; p++){\
		5188	barcolor[p] = stroke_color;\
		5189	};\
		5190	};\
		5191	};\
		5192	for(var p = 0; p < l_length; p++){\
		5193	ctx.fillStyle = barcolor[p];\
		5194	txt = legend%d[p];\
		5195	txt_size = ctx.measureText(txt).width;\
		5196	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5197	y_offset = parseInt(y_offset + 1.5*font_size);\
		5198	};\
		5199	};\
		5200	ctx.restore();\
		5201	return;\
7653	schaersvoo	5202	};",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,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5203	break;
		5204
		5205	case DRAW_PIECHART:
		5206	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5207	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5208	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5209	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5210	}\
		5211	else\
		5212	{\
		5213	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5214	};\
		5215	var ld = data_color_list.length;\
		5216	var sum = 0;\
		5217	var idx = 0;\
		5218	var colors = new Array();\
		5219	var data = new Array();\
		5220	for(var p = 0;p < ld; p = p + 2){\
		5221	data[idx] = parseFloat(data_color_list[p]);\
		5222	sum = sum + data[idx];\
		5223	colors[idx] = data_color_list[p+1];\
		5224	idx++;\
		5225	};\
		5226	var ctx = obj.getContext(\"2d\");\
		5227	ctx.save();\
		5228	var angle;\
		5229	var angle_end = 0;\
		5230	var offset = Math.PI / 2;\
		5231	ctx.globalAlpha = fill_opacity;\
		5232	for(var p=0; p < idx; p++){\
		5233	ctx.beginPath();\
		5234	ctx.fillStyle = colors[p];\
		5235	ctx.moveTo(x_center,y_center);\
		5236	angle = Math.PI * (2 * data[p] / sum);\
		5237	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5238	ctx.lineTo(x_center, y_center);\
		5239	ctx.fill();\
		5240	ctx.closePath();\
		5241	angle_end = angle_end + angle;\
		5242	};\
		5243	if( typeof legend%d !== 'undefined' ){\
		5244	ctx.globalAlpha = 1.0;\
		5245	ctx.font = font_size+\"px \"+font_family;\
		5246	var y_offset = font_size; \
		5247	var x_offset = 0;\
		5248	var txt;var txt_size;\
		5249	for(var p = 0; p < idx; p++){\
		5250	ctx.fillStyle = colors[p];\
		5251	txt = legend%d[p];\
		5252	txt_size = ctx.measureText(txt).width;\
		5253	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5254	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5255	y_offset = parseInt(y_offset + 1.5*font_size);\
		5256	};\
		5257	};\
		5258	ctx.restore();\
7653	schaersvoo	5259	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5260
		5261	break;
		5262	case DRAW_ARCS:
		5263	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5264	draw_arc = function(canvas_type,xc,yc,r,start,end,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
		5265	var obj;\
		5266	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5267	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5268	}\
		5269	else\
		5270	{\
		5271	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5272	};\
		5273	var ctx = obj.getContext(\"2d\");\
		5274	ctx.save();\
		5275	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5276	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5277	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5278	if(end < start){var tmp = end;end = start;start=tmp;};\
		5279	start=360-start;\
		5280	end=360-end;\
		5281	ctx.lineWidth = line_width;\
		5282	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5283	if( use_filled == 1 ){\
		5284	ctx.beginPath();\
		5285	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5286	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5287	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5288	var x2 = xc + rMath.cos(Math.PIend/180);\
		5289	var y2 = yc + rMath.sin(Math.PIend/180);\
		5290	ctx.beginPath();\
		5291	ctx.moveTo(x1,y1);\
		5292	ctx.lineTo(xc,yc);\
		5293	ctx.moveTo(xc,yc);\
		5294	ctx.lineTo(x2,y2);\
		5295	ctx.closePath();\
		5296	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5297	ctx.fill();\
		5298	ctx.stroke();\
		5299	}\
		5300	else\
		5301	{\
		5302	ctx.beginPath();\
		5303	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5304	ctx.stroke();\
		5305	ctx.closePath();\
		5306	}\
		5307	ctx.restore();\
7653	schaersvoo	5308	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5309
		5310	break;
		5311	case DRAW_TEXTS:
		5312	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5313	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5314	var obj;\
		5315	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5316	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5317	}\
		5318	else\
		5319	{\
		5320	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5321	};\
		5322	var ctx = obj.getContext(\"2d\");\
		5323	if(angle2 == 0 && angle != 0){\
		5324	ctx.save();\
		5325	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5326	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5327	};\
		5328	if( font_family.indexOf('px') != null ){\
		5329	ctx.font = font_family;\
		5330	}\
		5331	else\
		5332	{\
		5333	ctx.font = \"+font_size+'px '+font_family \";\
		5334	};\
		5335	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5336	if(angle2 != 0){\
		5337	ctx.save();\
		5338	ctx.translate(x,y);\
		5339	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5340	ctx.fillText(text,0,0);\
		5341	ctx.restore();\
		5342	}else{ctx.fillText(text,x,y);};\
		5343	ctx.restore();\
		5344	return;\
7653	schaersvoo	5345	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5346
		5347	break;
		5348	case DRAW_CURVE:
		5349	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5350	draw_curve = function(canvas_type,type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
		5351	var obj;\
		5352	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5353	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5354	}\
		5355	else\
		5356	{\
		5357	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5358	};\
		5359	var ctx = obj.getContext(\"2d\");\
		5360	ctx.save();\
		5361	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5362	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5363	ctx.beginPath();ctx.lineWidth = line_width;\
		5364	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5365	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5366	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5367	for(var p = 1 ; p < x_points.length ; p++){\
		5368	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5369	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5370	}\
		5371	else\
		5372	{\
		5373	ctx.stroke();\
		5374	ctx.beginPath();\
		5375	p++;\
		5376	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5377	};\
		5378	};\
		5379	ctx.stroke();\
		5380	ctx.restore();\
7653	schaersvoo	5381	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5382	break;
		5383
		5384	case DRAW_INPUTS:
		5385	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5386	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5387	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5388	var input = document.createElement(\"input\");\
		5389	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5390	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5391	input.setAttribute(\"size\",size);\
		5392	input.setAttribute(\"value\",value);\
		5393	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5394	canvas_div.appendChild(input);};");
7614	schaersvoo	5395	break;
		5396
		5397	case DRAW_TEXTAREAS:
		5398	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5399	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5400	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5401	var textarea = document.createElement(\"textarea\");\
		5402	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5403	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5404	textarea.setAttribute(\"cols\",cols);\
		5405	textarea.setAttribute(\"rows\",rows);\
		5406	textarea.innerHTML = value;\
7653	schaersvoo	5407	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5408	break;
		5409
		5410	case DRAW_PIXELS:
		5411	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5412	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5413	var canvas = create_canvas%d(10,xsize,ysize);\
		5414	var d = 0.5*pixelsize;\
		5415	var ctx = canvas.getContext(\"2d\");\
		5416	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5417	ctx.clearRect(0,0,xsize,ysize);\
		5418	for(var p=0; p<x.length;p++){\
		5419	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5420	};\
		5421	ctx.fill();ctx.stroke();\
		5422	};",canvas_root_id);
		5423	break;
		5424
		5425	case DRAW_CLOCK:
		5426	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5427	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5428	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5429	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5430	clock_ctx.save();\
		5431	this.type = type \|\| 0;\
		5432	this.interaction = interaction \|\| 0;\
		5433	this.H = H \|\| parseInt(110*(Math.random()));\
		5434	this.M = M \|\| parseInt(590*(Math.random()));\
		5435	this.S = S \|\| parseInt(590*(Math.random()));\
		5436	this.xc = xc \|\| xsize/2;\
		5437	this.yc = yc \|\| ysize/2;\
		5438	this.radius = radius \|\| xsize/4;\
		5439	var font_size = parseInt(0.2*this.radius);\
		5440	this.H_color = h_color \|\| \"blue\";\
		5441	this.M_color = m_color \|\| \"blue\";\
		5442	this.S_color = s_color \|\| \"blue\";\
		5443	this.fg_color = fg_color \|\| \"red\";\
		5444	this.bg_color = bg_color \|\| \"white\";\
		5445	clock_ctx.translate(this.xc,this.yc);\
		5446	clock_ctx.beginPath();\
		5447	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5448	clock_ctx.fillStyle = this.bg_color;\
		5449	clock_ctx.fill();\
		5450	clock_ctx.closePath();\
		5451	clock_ctx.beginPath();\
		5452	clock_ctx.font = font_size+\"px Arial\";\
		5453	clock_ctx.fillStyle = this.fg_color;\
		5454	clock_ctx.textAlign = \"center\";\
		5455	clock_ctx.textBaseline = 'middle';\
		5456	var angle;var x1,y1,x2,y2;\
		5457	var angle_cos;var angle_sin;\
		5458	switch(type){\
		5459	case 0:clock_ctx.beginPath();\
		5460	for(var p = 1; p <= 12 ; p++){\
		5461	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5462	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5463	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5464	clock_ctx.moveTo(x1,y1);\
		5465	clock_ctx.lineTo(x2,y2);\
		5466	};\
		5467	for(var p = 1; p <= 60 ; p++){\
		5468	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5469	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5470	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5471	clock_ctx.moveTo(x1,y1);\
		5472	clock_ctx.lineTo(x2,y2);\
		5473	};\
		5474	clock_ctx.closePath();\
		5475	clock_ctx.stroke();\
		5476	break;\
		5477	case 1:\
		5478	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;\
		5479	case 2:for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 1.1this.radiusMath.cos(angle);y1 = 1.1this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
		5480	clock_ctx.beginPath();\
		5481	for(var p = 1; p <= 12 ; p++){\
		5482	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5483	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5484	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5485	clock_ctx.moveTo(x1,y1);\
		5486	clock_ctx.lineTo(x2,y2);\
		5487	};\
		5488	for(var p = 1; p <= 60 ; p++){\
		5489	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5490	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5491	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5492	clock_ctx.moveTo(x1,y1);\
		5493	clock_ctx.lineTo(x2,y2);\
		5494	};\
		5495	clock_ctx.closePath();\
		5496	clock_ctx.stroke();\
		5497	break;\
		5498	};\
		5499	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5500	clock_ctx.rotate(angle);\
		5501	clock_ctx.beginPath();\
		5502	clock_ctx.moveTo(-3, -2);\
		5503	clock_ctx.lineTo(-3, 2);\
		5504	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5505	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5506	clock_ctx.fillStyle = this.H_color;\
		5507	clock_ctx.fill();\
		5508	clock_ctx.rotate(-angle);\
		5509	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5510	clock_ctx.rotate(angle);\
		5511	clock_ctx.beginPath();\
		5512	clock_ctx.moveTo(-3, -2);\
		5513	clock_ctx.lineTo(-3, 2);\
		5514	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5515	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5516	clock_ctx.fillStyle = this.M_color;\
		5517	clock_ctx.fill();\
		5518	clock_ctx.rotate(-angle);\
		5519	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5520	clock_ctx.rotate(angle);\
		5521	clock_ctx.beginPath();\
		5522	clock_ctx.moveTo(0,0);\
		5523	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5524	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5525	clock_ctx.strokeStyle = this.S_color;\
		5526	clock_ctx.stroke();\
		5527	clock_ctx.restore();\
7653	schaersvoo	5528	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5529	break;
		5530
		5531	case DRAW_LATTICE:
		5532	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5533	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_translate,vector){\
		5534	var obj;\
		5535	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5536	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5537	}\
		5538	else\
		5539	{\
		5540	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5541	};\
		5542	var ctx = obj.getContext(\"2d\");\
		5543	ctx.save();\
		5544	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5545	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5546	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5547	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5548	var radius = line_width;\
		5549	var x = 0;\
		5550	var y = 0;\
		5551	var x_step_px = xsize/(xmax-xmin);\
		5552	var y_step_px = ysize/(ymax-ymin);\
		5553	var xv1 = dx1*x_step_px;\
		5554	var yv1 = dy1*y_step_px;\
		5555	var xv2 = dx2*x_step_px;\
		5556	var yv2 = dy2*y_step_px;\
		5557	for(var p = 0; p < n1 ;p++){\
		5558	x = p*xv1 + x0;\
		5559	y = p*yv1 + y0;\
		5560	for(var c = 0; c < n2 ; c++){\
		5561	ctx.beginPath();\
		5562	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5563	ctx.fill();\
		5564	ctx.stroke();\
		5565	ctx.closePath();\
		5566	};\
		5567	};\
		5568	ctx.restore();\
		5569	return;\
7653	schaersvoo	5570	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5571	break;
7735	schaersvoo	5572	case DRAW_XYLOGSCALE:
		5573	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5574	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){\n\
7735	schaersvoo	5575	var obj;\n\
		5576	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5577	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5578	}\n\
		5579	else\n\
		5580	{\n\
		5581	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5582	};\n\
		5583	var ctx = obj.getContext(\"2d\");\n\
		5584	ctx.clearRect(0,0,xsize,ysize);\
		5585	ctx.save();\n\
7739	schaersvoo	5586	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5587	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5588	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5589	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5590	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5591	if(use_axis_numbering == 1){\
		5592	ctx.font = font_family;\n\
		5593	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5594	ymarge = parseInt(1.5*font_size);\n\
		5595	ctx.save();\n\
		5596	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5597	ctx.rect(0,0,xmarge,ysize);\n\
		5598	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5599	ctx.fill();\n\
		5600	ctx.restore();\n\
		5601	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5602	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5603	ctx.save();\n\
		5604	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5605	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5606	corr = ctx.measureText(xaxislabel).width;\n\
		5607	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5608	ctx.restore();\n\
		5609	};\n\
7735	schaersvoo	5610	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5611	ctx.save();\n\
		5612	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5613	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5614	corr = ctx.measureText(yaxislabel).width;\n\
		5615	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5616	ctx.rotate(-0.5*Math.PI);\n\
		5617	ctx.fillText(yaxislabel,0,0);\n\
		5618	ctx.restore();\n\
		5619	};\n\
		5620	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5621	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5622	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5623	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5624	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5625	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5626	if( i == 1 ){\
7739	schaersvoo	5627	ctx.lineWidth = line_width;\n\n\
		5628	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5629	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5630	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5631	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5632	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5633	};\n\
7735	schaersvoo	5634	}else{\
7739	schaersvoo	5635	ctx.lineWidth = 0.2*line_width;\n\n\
		5636	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5637	};\n\
7738	schaersvoo	5638	if( x_e >= xmarge ){\
		5639	ctx.beginPath();\n\
		5640	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5641	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5642	ctx.stroke();\n\
		5643	ctx.closePath();\n\
		5644	};\
7735	schaersvoo	5645	};\n\
		5646	};\n\
		5647	for(var p = y_min; p <= y_max ; p++){\n\
		5648	num = Math.pow(ylogbase,p);\n\
		5649	for(var i = 1 ; i < ylogbase ; i++){\n\
		5650	y_e = y2px(i*num);\n\
7739	schaersvoo	5651	if( i == 1 ){\n\
7735	schaersvoo	5652	ctx.lineWidth = line_width;\n\
		5653	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5654	if( use_axis_numbering == 1 && p > y_min){\n\
		5655	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5656	};\n\
		5657	}else{\n\
7735	schaersvoo	5658	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5659	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5660	};\n\
7735	schaersvoo	5661	ctx.beginPath();\n\
7738	schaersvoo	5662	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5663	ctx.lineTo(xsize,y_e);\n\
		5664	ctx.stroke();\n\
		5665	ctx.closePath();\n\
		5666	};\n\
		5667	};\n\
		5668	ctx.restore();\
		5669	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5670	break;
7614	schaersvoo	5671
7735	schaersvoo	5672	case DRAW_XLOGSCALE:
		5673	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5674	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){\n\
7735	schaersvoo	5675	var obj;\n\
		5676	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5677	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5678	}\n\
		5679	else\n\
		5680	{\n\
		5681	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5682	};\n\
		5683	var ctx = obj.getContext(\"2d\");\n\
		5684	ctx.clearRect(0,0,xsize,ysize);\
		5685	ctx.save();\n\
		5686	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5687	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5688	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5689	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5690	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5691	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5692	if(use_axis_numbering == 1){\
		5693	ctx.font = font_family;\n\
		5694	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5695	ymarge = parseInt(1.5*font_size);\n\
		5696	ctx.save();\n\
		5697	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5698	ctx.rect(0,0,xmarge,ysize);\n\
		5699	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5700	ctx.fill();\n\
		5701	ctx.restore();\n\
		5702	}else{xmarge = 0;ymarge = 0;};\n\
		5703	if( typeof xaxislabel !== 'undefined' ){\
		5704	ctx.save();\n\
		5705	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5706	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5707	corr = ctx.measureText(xaxislabel).width;\n\
		5708	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5709	ctx.restore();\n\
		5710	};\n\
		5711	if( typeof yaxislabel !== 'undefined' ){\
		5712	ctx.save();\n\
		5713	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5714	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5715	corr = ctx.measureText(yaxislabel).width;\n\
		5716	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5717	ctx.rotate(-0.5*Math.PI);\n\
		5718	ctx.fillText(yaxislabel,0,0);\n\
		5719	ctx.restore();\n\
		5720	};\n\
		5721	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5722	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5723	for(var p = x_min; p <= x_max ; p++){\n\
		5724	num = Math.pow(xlogbase,p);\n\
		5725	for(var i = 1 ; i < xlogbase ; i++){\n\
		5726	x_e = x2px(i*num);\n\
		5727	if( i == 1 ){\
7739	schaersvoo	5728	ctx.lineWidth = line_width;\n\
		5729	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5730	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5731	xtxt = xlogbase+'^'+p.toFixed(0);\
		5732	corr = 0.5*(ctx.measureText(xtxt).width);\
		5733	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5734	};\
		5735	}else{\
		5736	ctx.lineWidth = 0.2*line_width;\n\
		5737	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5738	};\
7739	schaersvoo	5739	if( x_e >= xmarge ){\
		5740	ctx.beginPath();\n\
		5741	ctx.moveTo(x_e,0);\n\
		5742	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5743	ctx.stroke();\n\
		5744	ctx.closePath();\n\
		5745	};\
		5746	};\
7735	schaersvoo	5747	};\n\
		5748	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5749	var minor_step = stepy / yminor;\
7749	schaersvoo	5750	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5751	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5752	ctx.lineWidth = line_width;\n\
		5753	ctx.beginPath();\n\
7739	schaersvoo	5754	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5755	ctx.lineTo(xsize,y);\n\
		5756	ctx.stroke();\n\
		5757	ctx.closePath();\n\
		5758	if( use_axis_numbering == 1){\
		5759	ytxt = (px2y(y)).toFixed(prec);\
		5760	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5761	};\
		5762	for(var dy = 1 ; dy < yminor ; dy++){\
		5763	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5764	ctx.lineWidth = 0.2*line_width;\n\
		5765	ctx.beginPath();\n\
7739	schaersvoo	5766	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5767	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5768	ctx.stroke();\n\
		5769	ctx.closePath();\n\
		5770	};\
		5771	};\
		5772	ctx.restore();\n\
		5773	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5774	break;
7729	schaersvoo	5775	case DRAW_YLOGSCALE:
		5776	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5777	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){\n\
7729	schaersvoo	5778	var obj;\n\
		5779	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5780	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5781	}\n\
		5782	else\n\
		5783	{\n\
		5784	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5785	};\n\
		5786	var ctx = obj.getContext(\"2d\");\n\
		5787	ctx.clearRect(0,0,xsize,ysize);\
		5788	ctx.save();\n\
		5789	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5790	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5791	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5792	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5793	if(use_axis_numbering == 1){\
		5794	ctx.font = font_family;\n\
		5795	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5796	ymarge = 2*font_size;\n\
		5797	ctx.save();\n\
		5798	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5799	ctx.rect(0,0,xmarge,ysize);\n\
		5800	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5801	ctx.fill();\n\
		5802	ctx.restore();\n\
		5803	}else{xmarge = 0;ymarge = 0;};\n\
		5804	if( typeof xaxislabel !== 'undefined' ){\
		5805	ctx.save();\n\
		5806	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5807	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5808	corr = ctx.measureText(xaxislabel).width;\n\
		5809	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5810	ctx.restore();\n\
		5811	};\n\
		5812	if( typeof yaxislabel !== 'undefined' ){\
		5813	ctx.save();\n\
		5814	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5815	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5816	corr = ctx.measureText(yaxislabel).width;\n\
		5817	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5818	ctx.rotate(-0.5*Math.PI);\n\
		5819	ctx.fillText(yaxislabel,0,0);\n\
		5820	ctx.restore();\n\
		5821	};\n\
		5822	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5823	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5824	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5825	num = Math.pow(ylogbase,p);\n\
		5826	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5827	y_e = y2px(i*num);\n\
		5828	if( i == 1 ){\
		5829	ctx.lineWidth = line_width;\n\
		5830	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5831	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5832	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5833	};\
		5834	}else{\
		5835	ctx.lineWidth = 0.2*line_width;\n\
		5836	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5837	};\
		5838	ctx.beginPath();\n\
7739	schaersvoo	5839	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5840	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5841	ctx.stroke();\n\
		5842	ctx.closePath();\n\
		5843	};\n\
		5844	};\n\
		5845	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5846	var minor_step = stepx / xminor;\
		5847	var prec = Math.log(precision)/Math.log(10);\
		5848	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5849	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5850	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5851	ctx.lineWidth = line_width;\n\
		5852	ctx.beginPath();\n\
7739	schaersvoo	5853	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5854	ctx.lineTo(x,0);\n\
		5855	ctx.stroke();\n\
		5856	ctx.closePath();\n\
		5857	if( use_axis_numbering == 1){\
		5858	xtxt = (px2x(x)).toFixed(prec);\
		5859	corr = 0.5*(ctx.measureText(xtxt).width);\
		5860	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5861	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5862	};\
		5863	for(var dx = 1 ; dx < xminor ; dx++){\
		5864	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5865	ctx.lineWidth = 0.2*line_width;\n\
		5866	ctx.beginPath();\n\
7739	schaersvoo	5867	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5868	ctx.lineTo(x+dx*minor_step,0);\n\
		5869	ctx.stroke();\n\
		5870	ctx.closePath();\n\
7735	schaersvoo	5871	};\
		5872	};\
7729	schaersvoo	5873	ctx.restore();\n\
		5874	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5875
		5876	break;
7735	schaersvoo	5877
		5878
7614	schaersvoo	5879	default:break;
		5880	}
		5881	}
		5882	}
		5883	return;
		5884	}
		5885
		5886	void check_string_length(int L){
		5887	if(L<1 \|\| L > MAX_BUFFER-1){
		5888	canvas_error("problem with your arguments to command...");
		5889	}
		5890	return;
		5891	}
		5892
		5893
		5894	int get_token(FILE *infile){
		5895	int c,i=0;
		5896	char temp[MAX_INT], *input_type;
		5897	char *line="line",
		5898	*audio="audio",
		5899	*blink="blink",
		5900	*arrowhead="arrowhead",
		5901	*crosshairsize="crosshairsize",
		5902	*crosshair="crosshair",
		5903	*crosshairs="crosshairs",
		5904	*audioobject="audioobject",
		5905	*style="style",
		5906	*mouse="mouse",
		5907	*userdraw="userdraw",
		5908	*highlight="highlight",
		5909	*http="http",
		5910	*rays="rays",
		5911	*dashtype="dashtype",
		5912	*dashed="dashed",
		5913	*filled="filled",
		5914	*lattice="lattice",
		5915	*parallel="parallel",
		5916	*segment="segment",
		5917	*dsegment="dsegment",
		5918	*seg="seg",
		5919	*bgimage="bgimage",
		5920	*bgcolor="bgcolor",
		5921	*strokecolor="strokecolor",
		5922	*backgroundimage="backgroundimage",
		5923	*text="text",
		5924	*textup="textup",
		5925	*mouseprecision="mouseprecision",
		5926	*precision="precision",
		5927	*plotsteps="plotsteps",
		5928	*plotstep="plotstep",
		5929	*tsteps="tsteps",
		5930	*curve="curve",
		5931	*dcurve="dcurve",
		5932	*plot="plot",
		5933	*dplot="dplot",
		5934	*fontsize="fontsize",
		5935	*fontcolor="fontcolor",
		5936	*axis="axis",
		5937	*axisnumbering="axisnumbering",
		5938	*axisnumbers="axisnumbers",
		5939	*arrow="arrow",
		5940	*darrow="darrow",
		5941	*arrow2="arrow2",
		5942	*darrow2="darrow2",
		5943	*zoom="zoom",
		5944	*grid="grid",
		5945	*hline="hline",
		5946	*drag="drag",
		5947	*horizontalline="horizontalline",
		5948	*vline="vline",
		5949	*verticalline="verticalline",
		5950	*triangle="triangle",
		5951	*ftriangle="ftriangle",
		5952	*mathml="mathml",
		5953	*html="html",
		5954	*input="input",
		5955	*button="button",
		5956	*inputstyle="inputstyle",
		5957	*textarea="textarea",
		5958	*trange="trange",
		5959	*ranget="ranget",
		5960	*xrange="xrange",
		5961	*yrange="yrange",
		5962	*rangex="rangex",
		5963	*rangey="rangey",
		5964	*polyline="polyline",
		5965	*lines="lines",
		5966	*poly="poly",
		5967	*polygon="polygon",
		5968	*fpolygon="fpolygon",
		5969	*fpoly="fpoly",
		5970	*filledpoly="filledpoly",
		5971	*filledpolygon="filledpolygon",
		5972	*rect="rect",
		5973	*frect="frect",
		5974	*rectangle="rectangle",
		5975	*frectangle="frectangle",
		5976	*square="square",
		5977	*fsquare="fsquare",
		5978	*dline="dline",
		5979	*arc="arc",
		5980	*filledarc="filledarc",
		5981	*size="size",
		5982	*string="string",
		5983	*stringup="stringup",
		5984	*copy="copy",
		5985	*copyresized="copyresized",
		5986	*opacity="opacity",
		5987	*transparent="transparent",
		5988	*fill="fill",
		5989	*slider="slider",
		5990	*point="point",
		5991	*points="points",
		5992	*linewidth="linewidth",
		5993	*circle="circle",
		5994	*fcircle="fcircle",
		5995	*disk="disk",
		5996	*comment="#",
		5997	*end="end",
		5998	*ellipse="ellipse",
		5999	*fellipse="fellipse",
		6000	*rotate="rotate",
		6001	*fontfamily="fontfamily",
		6002	*fillcolor="fillcolor",
		6003	*clicktile="clicktile",
		6004	*clicktile_colors="clicktile_colors",
		6005	*translation="translation",
		6006	*translate="translate",
		6007	*killtranslation="killtranslation",
		6008	*killtranslate="killtranslate",
		6009	*onclick="onclick",
		6010	*roundrect="roundrect",
		6011	*froundrect="froundrect",
		6012	*roundrectangle="roundrectangle",
		6013	*patternfill="patternfill",
		6014	*hatchfill="hatchfill",
		6015	*diafill="diafill",
7647	schaersvoo	6016	*diamondfill="diamondfill",
7614	schaersvoo	6017	*dotfill="dotfill",
		6018	*gridfill="gridfill",
		6019	*imagefill="imagefill",
7735	schaersvoo	6020	*xlogbase="xlogbase",
		6021	*ylogbase="ylogbase",
7614	schaersvoo	6022	*xlogscale="xlogscale",
		6023	*ylogscale="ylogscale",
		6024	*xylogscale="xylogscale",
		6025	*intooltip="intooltip",
		6026	*replyformat="replyformat",
		6027	*floodfill="floodfill",
		6028	*filltoborder="filltoborder",
		6029	*clickfill="clickfill",
		6030	*setpixel="setpixel",
		6031	*pixels="pixels",
		6032	*pixelsize="pixelsize",
		6033	*clickfillmarge="clickfillmarge",
		6034	*xaxis="xaxis",
		6035	*yaxis="yaxis",
		6036	*xaxistext="xaxistext",
		6037	*yaxistext="yaxistext",
		6038	*piechart="piechart",
		6039	*legend="legend",
		6040	*legendcolors="legendcolors",
		6041	*xlabel="xlabel",
		6042	*ylabel="ylabel",
		6043	*barchart="barchart",
		6044	*linegraph="linegraph",
		6045	*clock="clock",
		6046	*animate="animate",
		6047	*video="video",
		6048	*status="status",
7652	schaersvoo	6049	*snaptogrid="snaptogrid",
7654	schaersvoo	6050	*userinput_xy="userinput_xy",
7663	schaersvoo	6051	*usertextarea_xy="usertextarea_xy",
7654	schaersvoo	6052	*sgraph="sgraph";
7614	schaersvoo	6053
		6054	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6055	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6056	continue; /* white spaces or tabs allowed before first command identifier */
		6057	}
		6058	else
		6059	{
		6060	if( c == ' ' \|\| c == '\t' ){
		6061	break;
		6062	}
		6063	else
		6064	{
		6065	temp[i] = c;
		6066	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6067	i++;
		6068	}
		6069	}
		6070	if(temp[0] == '#') break;
		6071	}
		6072	if (c == EOF) finished = 1;
		6073
		6074	if (c == '\n' \|\| c == '\r') {
		6075	line_number++;
		6076	if (i == 0) { return EMPTY; }
		6077	} else if (c == EOF) {
		6078	return 0;
		6079	}
		6080
		6081	temp[i]='\0';
		6082	input_type=(char*)my_newmem(strlen(temp));
		6083	snprintf(input_type,sizeof(temp),"%s",temp);
		6084
		6085	if( strcmp(input_type, size) == 0 ){
		6086	free(input_type);
		6087	return SIZE;
		6088	}
		6089	if( strcmp(input_type, xrange) == 0 ){
		6090	free(input_type);
		6091	return XRANGE;
		6092	}
		6093	if( strcmp(input_type, rangex) == 0 ){
		6094	free(input_type);
		6095	return XRANGE;
		6096	}
		6097	if( strcmp(input_type, trange) == 0 ){
		6098	free(input_type);
		6099	return TRANGE;
		6100	}
		6101	if( strcmp(input_type, ranget) == 0 ){
		6102	free(input_type);
		6103	return TRANGE;
		6104	}
		6105	if( strcmp(input_type, yrange) == 0 ){
		6106	free(input_type);
		6107	return YRANGE;
		6108	}
		6109	if( strcmp(input_type, rangey) == 0 ){
		6110	free(input_type);
		6111	return YRANGE;
		6112	}
		6113	if( strcmp(input_type, linewidth) == 0 ){
		6114	free(input_type);
		6115	return LINEWIDTH;
		6116	}
		6117	if( strcmp(input_type, dashed) == 0 ){
		6118	free(input_type);
		6119	return DASHED;
		6120	}
		6121	if( strcmp(input_type, dashtype) == 0 ){
		6122	free(input_type);
		6123	return DASHTYPE;
		6124	}
		6125	if( strcmp(input_type, axisnumbering) == 0 ){
		6126	free(input_type);
		6127	return AXIS_NUMBERING;
		6128	}
		6129	if( strcmp(input_type, axisnumbers) == 0 ){
		6130	free(input_type);
		6131	return AXIS_NUMBERING;
		6132	}
		6133	if( strcmp(input_type, axis) == 0 ){
		6134	free(input_type);
		6135	return AXIS;
		6136	}
		6137	if( strcmp(input_type, grid) == 0 ){
		6138	free(input_type);
		6139	return GRID;
		6140	}
		6141	if( strcmp(input_type, parallel) == 0 ){
		6142	free(input_type);
		6143	return PARALLEL;
		6144	}
		6145	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6146	free(input_type);
		6147	return HLINE;
		6148	}
		6149	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6150	free(input_type);
		6151	return VLINE;
		6152	}
		6153	if( strcmp(input_type, line) == 0 ){
		6154	free(input_type);
		6155	return LINE;
		6156	}
		6157	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6158	free(input_type);
		6159	return SEGMENT;
		6160	}
		6161	if( strcmp(input_type, dsegment) == 0 ){
		6162	free(input_type);
		6163	use_dashed = TRUE;
		6164	return SEGMENT;
		6165	}
		6166	if( strcmp(input_type, crosshairsize) == 0 ){
		6167	free(input_type);
		6168	return CROSSHAIRSIZE;
		6169	}
		6170	if( strcmp(input_type, arrowhead) == 0 ){
		6171	free(input_type);
		6172	return ARROWHEAD;
		6173	}
		6174	if( strcmp(input_type, crosshairs) == 0 ){
		6175	free(input_type);
		6176	return CROSSHAIRS;
		6177	}
		6178	if( strcmp(input_type, crosshair) == 0 ){
		6179	free(input_type);
		6180	return CROSSHAIR;
		6181	}
		6182	if( strcmp(input_type, onclick) == 0 ){
		6183	free(input_type);
		6184	return ONCLICK;
		6185	}
		6186	if( strcmp(input_type, drag) == 0 ){
		6187	free(input_type);
		6188	return DRAG;
		6189	}
		6190	if( strcmp(input_type, userdraw) == 0 ){
		6191	free(input_type);
		6192	return USERDRAW;
		6193	}
		6194	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6195	free(input_type);
		6196	return STYLE;
		6197	}
		6198	if( strcmp(input_type, fillcolor) == 0 ){
		6199	free(input_type);
		6200	return FILLCOLOR;
		6201	}
		6202	if( strcmp(input_type, strokecolor) == 0 ){
		6203	free(input_type);
		6204	return STROKECOLOR;
		6205	}
		6206	if( strcmp(input_type, filled) == 0 ){
		6207	free(input_type);
		6208	return FILLED;
		6209	}
		6210	if( strcmp(input_type, http) == 0 ){
		6211	free(input_type);
		6212	return HTTP;
		6213	}
		6214	if( strcmp(input_type, rays) == 0 ){
		6215	free(input_type);
		6216	return RAYS;
		6217	}
		6218	if( strcmp(input_type, lattice) == 0 ){
		6219	free(input_type);
		6220	return LATTICE;
		6221	}
		6222	if( strcmp(input_type, bgimage) == 0 ){
		6223	free(input_type);
		6224	return BGIMAGE;
		6225	}
		6226	if( strcmp(input_type, bgcolor) == 0 ){
		6227	free(input_type);
		6228	return BGCOLOR;
		6229	}
		6230	if( strcmp(input_type, backgroundimage) == 0 ){
		6231	free(input_type);
		6232	return BGIMAGE;
		6233	}
		6234	if( strcmp(input_type, text) == 0 ){
		6235	free(input_type);
		6236	return FLY_TEXT;
		6237	}
		6238	if( strcmp(input_type, textup) == 0 ){
		6239	free(input_type);
		6240	return FLY_TEXTUP;
		6241	}
		6242	if( strcmp(input_type, mouse) == 0 ){
		6243	free(input_type);
		6244	return MOUSE;
		6245	}
		6246	if( strcmp(input_type, mouseprecision) == 0 ){
		6247	free(input_type);
		6248	return MOUSE_PRECISION;
		6249	}
		6250	if( strcmp(input_type, precision) == 0 ){
		6251	free(input_type);
		6252	return MOUSE_PRECISION;
		6253	}
		6254	if( strcmp(input_type, curve) == 0 ){
		6255	free(input_type);
		6256	return CURVE;
		6257	}
		6258	if( strcmp(input_type, dcurve) == 0 ){
		6259	free(input_type);
		6260	return CURVE;
		6261	}
		6262	if( strcmp(input_type, plot) == 0 ){
		6263	free(input_type);
		6264	return CURVE;
		6265	}
		6266	if( strcmp(input_type, dplot) == 0 ){
		6267	free(input_type);
		6268	return CURVE;
		6269	}
		6270	if( strcmp(input_type, plotsteps) == 0 ){
		6271	free(input_type);
		6272	return PLOTSTEPS;
		6273	}
		6274	if( strcmp(input_type, plotstep) == 0 ){
		6275	free(input_type);
		6276	return PLOTSTEPS;
		6277	}
		6278	if( strcmp(input_type, tsteps) == 0 ){
		6279	free(input_type);
		6280	return PLOTSTEPS;
		6281	}
		6282	if( strcmp(input_type, fontsize) == 0 ){
		6283	free(input_type);
		6284	return FONTSIZE;
		6285	}
		6286	if( strcmp(input_type, fontcolor) == 0 ){
		6287	free(input_type);
		6288	return FONTCOLOR;
		6289	}
		6290	if( strcmp(input_type, arrow) == 0 ){
		6291	free(input_type);
		6292	return ARROW;
		6293	}
		6294	if( strcmp(input_type, arrow2) == 0 ){
		6295	free(input_type);
		6296	return ARROW2;
		6297	}
		6298	if( strcmp(input_type, darrow) == 0 ){
		6299	free(input_type);
		6300	return ARROW;
		6301	}
		6302	if( strcmp(input_type, darrow2) == 0 ){
		6303	free(input_type);
		6304	use_dashed = TRUE;
		6305	return ARROW2;
		6306	}
		6307	if( strcmp(input_type, zoom) == 0 ){
		6308	free(input_type);
		6309	return ZOOM;
		6310	}
		6311	if( strcmp(input_type, triangle) == 0 ){
		6312	free(input_type);
		6313	return TRIANGLE;
		6314	}
		6315	if( strcmp(input_type, ftriangle) == 0 ){
		6316	free(input_type);
		6317	use_filled = TRUE;
		6318	return TRIANGLE;
		6319	}
		6320	if( strcmp(input_type, input) == 0 ){
		6321	free(input_type);
		6322	return INPUT;
		6323	}
		6324	if( strcmp(input_type, inputstyle) == 0 ){
		6325	free(input_type);
		6326	return INPUTSTYLE;
		6327	}
		6328	if( strcmp(input_type, textarea) == 0 ){
		6329	free(input_type);
		6330	return TEXTAREA;
		6331	}
		6332	if( strcmp(input_type, mathml) == 0 ){
		6333	free(input_type);
		6334	return MATHML;
		6335	}
		6336	if( strcmp(input_type, html) == 0 ){
		6337	free(input_type);
		6338	return MATHML;
		6339	}
		6340	if( strcmp(input_type, fontfamily) == 0 ){
		6341	free(input_type);
		6342	return FONTFAMILY;
		6343	}
		6344	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6345	free(input_type);
		6346	return POLYLINE;
		6347	}
		6348	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6349	free(input_type);
		6350	return RECT;
		6351	}
		6352	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6353	free(input_type);
		6354	return ROUNDRECT;
		6355	}
		6356	if( strcmp(input_type, froundrect) == 0 ){
		6357	free(input_type);
		6358	use_filled = TRUE;
		6359	return ROUNDRECT;
		6360	}
		6361	if( strcmp(input_type, square) == 0 ){
		6362	free(input_type);
		6363	return SQUARE;
		6364	}
		6365	if( strcmp(input_type, fsquare) == 0 ){
		6366	free(input_type);
		6367	use_filled = TRUE;
		6368	return SQUARE;
		6369	}
		6370	if( strcmp(input_type, dline) == 0 ){
		6371	use_dashed = TRUE;
		6372	free(input_type);
		6373	return LINE;
		6374	}
		6375	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6376	use_filled = TRUE;
		6377	free(input_type);
		6378	return RECT;
		6379	}
		6380	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6381	use_filled = TRUE;
		6382	free(input_type);
		6383	return CIRCLE;
		6384	}
		6385	if( strcmp(input_type, circle) == 0 ){
		6386	free(input_type);
		6387	return CIRCLE;
		6388	}
		6389	if( strcmp(input_type, point) == 0 ){
		6390	free(input_type);
		6391	return POINT;
		6392	}
		6393	if( strcmp(input_type, points) == 0 ){
		6394	free(input_type);
		6395	return POINTS;
		6396	}
		6397	if( strcmp(input_type, filledarc) == 0 ){
		6398	use_filled = TRUE;
		6399	free(input_type);
		6400	return ARC;
		6401	}
		6402	if( strcmp(input_type, arc) == 0 ){
		6403	free(input_type);
		6404	return ARC;
		6405	}
		6406	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6407	free(input_type);
		6408	return POLY;
		6409	}
		6410	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6411	use_filled = TRUE;
		6412	free(input_type);
		6413	return POLY;
		6414	}
		6415	if( strcmp(input_type, ellipse) == 0){
		6416	free(input_type);
		6417	return ELLIPSE;
		6418	}
		6419	if( strcmp(input_type, fill) == 0 ){
		6420	free(input_type);
		6421	return FLOODFILL;
		6422	}
		6423	if( strcmp(input_type, string) == 0 ){
		6424	free(input_type);
		6425	return STRING;
		6426	}
		6427	if( strcmp(input_type, stringup) == 0 ){
		6428	free(input_type);
		6429	return STRINGUP;
		6430	}
		6431	if( strcmp(input_type, opacity) == 0 ){
		6432	free(input_type);
		6433	return OPACITY;
		6434	}
		6435	if( strcmp(input_type, comment) == 0){
		6436	free(input_type);
		6437	return COMMENT;
		6438	}
		6439	if( strcmp(input_type, end) == 0){
		6440	free(input_type);
		6441	return END;
		6442	}
		6443	if( strcmp(input_type, fellipse) == 0){
		6444	free(input_type);
		6445	use_filled = TRUE;
		6446	return ELLIPSE;
		6447	}
		6448	if( strcmp(input_type, blink) == 0 ){
		6449	free(input_type);
		6450	return BLINK;
		6451	}
		6452	if( strcmp(input_type, button) == 0){
		6453	free(input_type);
		6454	return BUTTON;
		6455	}
		6456	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6457	free(input_type);
		6458	return TRANSLATION;
		6459	}
		6460	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6461	free(input_type);
		6462	return KILLTRANSLATION;
		6463	}
		6464	if( strcmp(input_type, rotate) == 0){
		6465	free(input_type);
		6466	return ROTATE;
		6467	}
		6468	if( strcmp(input_type, audio) == 0 ){
		6469	free(input_type);
		6470	return AUDIO;
		6471	}
		6472	if( strcmp(input_type, audioobject) == 0 ){
		6473	free(input_type);
		6474	return AUDIOOBJECT;
		6475	}
		6476	if( strcmp(input_type, slider) == 0 ){
		6477	free(input_type);
		6478	return SLIDER;
		6479	}
		6480	if( strcmp(input_type, copy) == 0 ){
		6481	free(input_type);
		6482	return COPY;
		6483	}
		6484	if( strcmp(input_type, copyresized) == 0 ){
		6485	free(input_type);
		6486	return COPYRESIZED;
		6487	}
		6488	if( strcmp(input_type, patternfill) == 0 ){
		6489	free(input_type);
		6490	return PATTERNFILL;
		6491	}
		6492	if( strcmp(input_type, hatchfill) == 0 ){
		6493	free(input_type);
		6494	return HATCHFILL;
		6495	}
7647	schaersvoo	6496	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6497	free(input_type);
7647	schaersvoo	6498	return DIAMONDFILL;
7614	schaersvoo	6499	}
		6500	if( strcmp(input_type, dotfill) == 0 ){
		6501	free(input_type);
		6502	return DOTFILL;
		6503	}
		6504	if( strcmp(input_type, gridfill) == 0 ){
		6505	free(input_type);
		6506	return GRIDFILL;
		6507	}
		6508	if( strcmp(input_type, imagefill) == 0 ){
		6509	free(input_type);
		6510	return IMAGEFILL;
		6511	}
		6512	if( strcmp(input_type, clicktile_colors) == 0 ){
		6513	free(input_type);
		6514	return CLICKTILE_COLORS;
		6515	}
		6516	if( strcmp(input_type, clicktile) == 0 ){
		6517	free(input_type);
		6518	return CLICKTILE;
		6519	}
		6520	if( strcmp(input_type, xlogscale) == 0 ){
		6521	free(input_type);
		6522	return XLOGSCALE;
		6523	}
		6524	if( strcmp(input_type, ylogscale) == 0 ){
		6525	free(input_type);
		6526	return YLOGSCALE;
		6527	}
		6528	if( strcmp(input_type, xylogscale) == 0 ){
		6529	free(input_type);
		6530	return XYLOGSCALE;
		6531	}
		6532	if( strcmp(input_type, ylogscale) == 0 ){
		6533	free(input_type);
		6534	return YLOGSCALE;
		6535	}
7735	schaersvoo	6536	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6537	free(input_type);
7735	schaersvoo	6538	return XLOGBASE;
7614	schaersvoo	6539	}
7735	schaersvoo	6540	if( strcmp(input_type, ylogbase) == 0 ){
		6541	free(input_type);
		6542	return YLOGBASE;
		6543	}
7614	schaersvoo	6544	if( strcmp(input_type, intooltip) == 0 ){
		6545	free(input_type);
		6546	return INTOOLTIP;
		6547	}
		6548	if( strcmp(input_type,video) == 0 ){
		6549	free(input_type);
		6550	return VIDEO;
		6551	}
		6552	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6553	free(input_type);
		6554	return FLOODFILL;
		6555	}
		6556	if( strcmp(input_type,filltoborder) == 0 ){
		6557	free(input_type);
		6558	return FILLTOBORDER;
		6559	}
		6560	if( strcmp(input_type,clickfill) == 0 ){
		6561	free(input_type);
		6562	return CLICKFILL;
		6563	}
		6564	if( strcmp(input_type, replyformat) == 0 ){
		6565	free(input_type);
		6566	return REPLYFORMAT;
		6567	}
		6568	if( strcmp(input_type, pixelsize) == 0 ){
		6569	free(input_type);
		6570	return PIXELSIZE;
		6571	}
		6572	if( strcmp(input_type, setpixel) == 0 ){
		6573	free(input_type);
		6574	return SETPIXEL;
		6575	}
		6576	if( strcmp(input_type, pixels) == 0 ){
		6577	free(input_type);
		6578	return PIXELS;
		6579	}
		6580	if( strcmp(input_type, clickfillmarge) == 0 ){
		6581	free(input_type);
		6582	return CLICKFILLMARGE;
		6583	}
		6584	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6585	free(input_type);
		6586	return X_AXIS_STRINGS;
		6587	}
		6588	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6589	free(input_type);
		6590	return Y_AXIS_STRINGS;
		6591	}
		6592	if( strcmp(input_type, piechart) == 0 ){
		6593	free(input_type);
		6594	return PIECHART;
		6595	}
		6596	if( strcmp(input_type, barchart) == 0 ){
		6597	free(input_type);
		6598	return BARCHART;
		6599	}
		6600	if( strcmp(input_type, linegraph) == 0 ){
		6601	free(input_type);
		6602	return LINEGRAPH;
		6603	}
		6604	if( strcmp(input_type, clock) == 0 ){
		6605	free(input_type);
		6606	return CLOCK;
		6607	}
		6608	if( strcmp(input_type, legend) == 0 ){
		6609	free(input_type);
		6610	return LEGEND;
		6611	}
		6612	if( strcmp(input_type, legendcolors) == 0 ){
		6613	free(input_type);
		6614	return LEGENDCOLORS;
		6615	}
		6616	if( strcmp(input_type, xlabel) == 0 ){
		6617	free(input_type);
		6618	return XLABEL;
		6619	}
		6620	if( strcmp(input_type, ylabel) == 0 ){
		6621	free(input_type);
		6622	return YLABEL;
		6623	}
		6624	if( strcmp(input_type, animate) == 0 ){
		6625	free(input_type);
		6626	return ANIMATE;
		6627	}
		6628	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6629	if( strcmp(input_type, transparent) == 0 ){
		6630	free(input_type);
		6631	return TRANSPARENT;
		6632	}
		6633	if( strcmp(input_type, status) == 0 ){
		6634	free(input_type);
		6635	return STATUS;
		6636	}
		6637	if( strcmp(input_type, snaptogrid) == 0 ){
		6638	free(input_type);
		6639	return SNAPTOGRID;
		6640	}
7652	schaersvoo	6641	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6642	free(input_type);
7652	schaersvoo	6643	return USERINPUT_XY;
		6644	}
7663	schaersvoo	6645	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6646	free(input_type);
		6647	return USERTEXTAREA_XY;
		6648	}
7654	schaersvoo	6649	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6650	free(input_type);
7654	schaersvoo	6651	return SGRAPH;
		6652	}
		6653	free(input_type);
7614	schaersvoo	6654	ungetc(c,infile);
		6655	return 0;
		6656	}
		6657
7729	schaersvoo	6658

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7783