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

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 17583 – Rev 7652