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

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7748