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	char str_replace ( const char word, const char sub_word, const char rep_word );
		53	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
		54	char get_string(FILE infile,int last); /* get the string at theend of a command */
		55	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		56	char convert_hex2rgb(char hexcolor);
		57	void add_read_canvas(int reply_format);
		58	void make_js_include(int canvas_root_id);
		59	void check_string_length(int length);/* checks if the length of string argument of command is correct */
		60	FILE *js_include_file;
		61	FILE get_file(int line_number, char **filename);
		62	FILE infile; / will be stdin */
		63	/******************************************************************************
		64	** global
		65	******************************************************************************/
		66	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		67	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		68	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		69	int xsize = 320;
		70	int ysize = 320;
		71	double xmin = 0.0;
		72	double xmax = 320.0;
		73	double ymin = 0.0;
		74	double ymax = 320.0;
		75	double tmax = 2;
		76	double tmin = -2;
		77	/* flag to indicate parsing of line status */
		78	int done = FALSE;
		79	int type; /* eg command number */
		80	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
7785	schaersvoo	81	int use_affine = FALSE;
7614	schaersvoo	82	int use_rotate = FALSE;
		83	int use_translate = FALSE;
		84	int use_filled = FALSE;
		85	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
		86	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		87
		88	/******************************************************************************
		89	** Main Program
		90	******************************************************************************/
		91	int main(int argc, char *argv[]){
		92	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		93	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		94	infile = stdin;/* read flyscript via stdin */
		95	int i,c;
		96	double double_data[MAX_INT+1];
		97	int int_data[MAX_INT+1];
		98	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		99	int use_parametric = FALSE;/* will be reset after parametric plotting */
		100	int use_axis = FALSE;
		101	int use_axis_numbering = FALSE;
		102	int line_width = 1;
		103	int decimals = 2;
		104	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		105	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		106	int drag_type = -1;/* 0,1,2 : xy,x,y */
		107	int use_tooltip = FALSE;
		108	char *tooltip_text = "Click here";
		109	char temp = ""; / */
		110	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		111	char *stroke_color = "255,0,0";
		112	char *fill_color = "0,255,0";
		113	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		114	char *font_color = "#00000";
		115	char *draw_type = "points";
		116	char *fly_font = "normal";
		117	char *input_style = "";
		118	char *flytext = "";
7785	schaersvoo	119	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	120	int pixelsize = 1;
		121	int reply_format = 0;
		122	int input_cnt = 0;
		123	int ext_img_cnt = 0;
		124	int font_size = 12;
		125	int dashtype[2] = { 2 , 2 };
		126	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		127	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		128	int arrow_head = 8; /* size in px*/
		129	int crosshair_size = 10; /* size in px*/
		130	int plot_steps = 150;
		131	int found_size_command = 0;
		132	int click_cnt = 1;
		133	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		134	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		135	int use_mouse_coordinates = FALSE;
		136	double angle = 0.0;
		137	int translate_x = 0;
		138	int translate_y = 0;
		139	int clickfillmarge = 20;
		140	int animation_type = 9; /* == object type curve in drag library */
7663	schaersvoo	141	int use_input_xy = 0;
7614	schaersvoo	142	size_t string_length = 0;
		143	double stroke_opacity = 0.8;
		144	double fill_opacity = 0.8;
		145	char *URL = "http://localhost/images";
		146	memset(buffer,'\0',MAX_BUFFER);
		147	void *tmp_buffer = "";
		148
		149	/* default writing a unzipped js-include file into wims getfile directory */
		150	char *w_wims_session = getenv("w_wims_session");
		151	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
		152	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		153	}
		154	int L0=strlen(w_wims_session) + 21;
		155	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		156	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		157	mode_t process_mask = umask(0); /* check if file exists */
		158	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		159	if( result == 0 \|\| errno == EEXIST ){
		160	umask(process_mask); /* be sure to set correct permission */
		161	char *w_session = getenv("w_session");
		162	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		163	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
		164	snprintf(getfile_cmd,L1,"wims.cgi?session=%s&cmd=getfile&special_parm=%d.js",w_session,canvas_root_id);/* extension ".gz" is MANDATORY for webserver */
		165	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		166	/* now write file into getfile dir*/
		167	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		168	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		169	char location = my_newmem(L2); / create memory to fit string precisely */
		170	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		171	js_include_file = fopen(location,"w");/* open the file location for writing */
		172	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		173	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		174
		175	/* ----------------------------------------------------- */
		176	/* while more lines to process */
		177
		178	while(!finished){
		179	if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
		180	type = get_token(infile);
		181	done = FALSE;
		182	/*
		183	@canvasdraw
		184	@will try use the same syntax as flydraw or svgdraw to paint a html5 bitmap image<br />by generating a tailor-made javascript include file: providing only the js-functionality needed to perform the job.<br />thus ensuring a minimal strain on the client browser <br />(unlike some popular 'canvas-do-it-all' libraries, who have proven to be not suitable for low-end computers found in schools...)
7749	schaersvoo	185	@General syntax <ul><li>The transparency of all objects can be controlled by command 'opacity [0-255],[0,255]'</il><li>a line based object can be controlled by command 'linewidth int'</li><li>a line based object may be dashed by using keyword 'dashed' before the object command.<br />the dashing type can be controled by command 'dashtype int,int'</li><li>a fillable object can be set fillable by starting the object command with an 'f'<br />(like frect,fcircle,ftriangle...)<br />or by using the keyword 'filled' before the object command.<br />The fill colour will be the stroke colour...(19/10/2013)<li> a draggable object can be set draggable by a preceding command 'drag x/y/xy'<br />The translation can be read by javascript:read_dragdrop();<br />Multiple objects may be set draggable / clickable (no limit)<br /> not all flydraw objects may be dragged / clicked<br />Only draggable / clickable objects will be scaled on zoom and will be translated in case of panning</li><li> a 'onclick object' can be set 'clickable' by the preceding keyword 'onclick'<br />not all flydraw objects can be set clickable</li><li><b>remarks using a ';' as command separator</b><br />commands with only numeric or colour arguments may be using a ';' as command separator (in stead of a new line)<br />commands with a string argument may not use a ';' as command separator !<br />these exceptions are not really straight forward... so keep this in mind.<br />example:<br />size 200,200;xrange -5,5;yrange -5,5;hline 0,0,black;vline 0,0,black<br />plot red,sin(x)<br />drag xy<br />html 0,0,5,-5, &euro; <br />lines green,2,0,2,-2,-2,2,-2,0;rectangle 1,1,4,4,purple;frectangle -1,-1,-4,-4,yellow</li></ul>
7614	schaersvoo	186	*/
		187	switch(type){
		188	case END:
		189	finished = 1;
		190	done = TRUE;
		191	break;
		192	case 0:
		193	sync_input(infile);
		194	break;
		195	case COMMENT:
		196	sync_input(infile);
		197	break;
		198	case EMPTY:
		199	sync_input(infile);
		200	break;
		201	case SIZE:
		202	/*
		203	@size width,height
		204	@set canvas size in pixels
		205	@mandatory first command
7647	schaersvoo	206	@if xrange and/or yrange is not given the range will be set to pixels :<br />xrange 0,xsize yrange 0,ysize<br />note: lower left corner is Origin (0:0)
7614	schaersvoo	207	*/
		208	found_size_command = TRUE;
		209	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		210	ysize = (int)(abs(round(get_real(infile,1))));
		211	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		212	xmin = 0;xmax = xsize;
7647	schaersvoo	213	ymin = 0;ymax = ysize;
7614	schaersvoo	214
		215	/*
		216	The sequence in which stuff is finally printed is important !!
		217	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		218	*/
		219	fprintf(stdout,"\n<script type=\"text/javascript\">var wims_status = \"$status\";</script>\n<!-- canvasdraw div and tooltip placeholder, if needed -->\n<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block\"><span id=\"tooltip_placeholder%d\" style=\"display:none\"></span></div>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
		220	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		221	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729	schaersvoo	222	fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		223	var xsize = %d;\
		224	var ysize = %d;\
		225	var canvas_div = document.getElementById(\"canvas_div%d\");\
		226	create_canvas%d = function(canvas_type,size_x,size_y){var cnv;if(document.getElementById(\"wims_canvas%d\"+canvas_type)){ cnv = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{try{ cnv = document.createElement(\"canvas\"); }catch(e){alert(\"Your browser does not support HTML5 CANVAS:GET FIREFOX !\");return;};canvas_div.appendChild(cnv);};cnv.width = size_x;cnv.height = size_y;cnv.style.top = 0;cnv.style.left = 0;cnv.style.position = \"absolute\";cnv.id = \"wims_canvas%d\"+canvas_type;return cnv;};\
		227	function findPosX(i){ var obj = i;var curleft = 0;if(obj.offsetParent){while(1){curleft += obj.offsetLeft;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.x){curleft += obj.x;};};return curleft;};function findPosY(i){var obj = i;var curtop = 0;if(obj.offsetParent){while(1){curtop += obj.offsetTop;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.y){curtop += obj.y;};};return curtop;};\
7735	schaersvoo	228	function x2px(x){if(use_xlogscale == 0 ){return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_in = Math.log(x)/Math.log(xlogbase);return x_inxsize/(x_max - x_min) - xsizex_min/(x_max - x_min);};};\
		229	function px2x(px){if(use_xlogscale == 0 ){return (Math.round((px(xmax - xmin)/xsize + xmin)precision))/precision;}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_out = x_min +px*(x_max - x_min)/(xsize);return Math.pow(xlogbase,x_out);};};\
		230	function px2y(py){if(use_ylogscale == 0 ){return (Math.round((ymax -py(ymax - ymin)/ysize)precision))/precision;}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_out = y_max +py*(y_min - y_max)/(ysize);return Math.pow(ylogbase,y_out);};};\
		231	function y2px(y){if(use_ylogscale == 0){return -1yysize/(ymax - ymin) + ymaxysize/(ymax - ymin);}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_in = Math.log(y)/Math.log(ylogbase);return (y_max - y_in)ysize/(y_max - y_min);};};\
7729	schaersvoo	232	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		233	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		234	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		235	function distance_to_line (r,q,x,y){var c = (y) - (-1/r)(x);var xs = r(c - q)/(rr+1);var ys = (r)(xs)+(q);return parseInt(Math.sqrt( (xs-x)(xs-x) + (ys-y)(ys-y) ));};\
		236	function move(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = obj.x[p] + dx;obj.y[p] = obj.y[p] + dy;}return obj;};\
7735	schaersvoo	237	var xlogbase = 10;\
		238	var ylogbase = 10;\
7729	schaersvoo	239	var use_xlogscale = 0;\
		240	var use_ylogscale = 0;\
		241	var x_strings = null;\
		242	var y_strings = null;\
		243	var use_pan_and_zoom = 0;\
7784	schaersvoo	244	var x_use_snap_to_grid = 0;\
		245	var y_use_snap_to_grid = 0;\
7729	schaersvoo	246	var xstart = 0;\
		247	var ystart = 0",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	248	/* default add the drag code : nearly always used ...*/
		249	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		250	break;
		251	case XRANGE:
		252	/*
		253	@ xrange xmin,xmax
		254	@ if not given: 0,xsize (eg in pixels)
		255	*/
		256	for(i = 0 ; i<2; i++){
		257	switch(i){
		258	case 0: xmin = get_real(infile,0);break;
		259	case 1: xmax = get_real(infile,1);break;
		260	default: break;
		261	}
		262	}
		263	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		264	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		265	break;
		266	case YRANGE:
		267	/*
		268	@ yrange ymin,ymax
		269	@ if not given 0,ysize (eg in pixels)
		270	*/
		271	for(i = 0 ; i<2; i++){
		272	switch(i){
		273	case 0: ymin = get_real(infile,0);break;
		274	case 1: ymax = get_real(infile,1);break;
		275	default: break;
		276	}
		277	}
		278	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		279	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		280	break;
		281	case TRANGE:
		282	/*
		283	@ trange tmin,tmax
		284	@ default -2,2
		285	*/
		286	use_parametric = TRUE;
		287	for(i = 0 ; i<2; i++){
		288	switch(i){
		289	case 0: tmin = get_real(infile,0);break;
		290	case 1: tmax = get_real(infile,1);break;
		291	default: break;
		292	}
		293	}
		294	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		295	break;
		296	case LINEWIDTH:
		297	/*
		298	@ linewidth int
		299	@ default 1
		300	*/
		301	line_width = (int) (get_real(infile,1));
		302	break;
		303	case ARROWHEAD:
		304	/*
		305	@ arrowhead int
		306	@ default 8 (pixels)
		307	*/
		308	arrow_head = (int) (get_real(infile,1));
		309	break;
		310	case CROSSHAIRSIZE:
		311	/*
		312	@ crosshairsize int
		313	@ default 10 (px)
		314	*/
		315	crosshair_size = (int) (get_real(infile,1));
		316	break;
		317	case CROSSHAIR:
		318	/*
		319	@ crosshair x,y,color
		320	@ draw a single crosshair point at (x;y) in color 'color'
		321	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		322	@ may be set draggable / onclick
		323	*/
		324	for(i=0;i<3;i++){
		325	switch(i){
		326	case 0: double_data[0] = get_real(infile,0);break; /* x */
		327	case 1: double_data[1] = get_real(infile,0);break; /* y */
		328	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		329	decimals = find_number_of_digits(precision);
7785	schaersvoo	330	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	331	click_cnt++;reset();
		332	break;
		333	default:break;
		334	}
		335	}
		336	break;
		337	case CROSSHAIRS:
		338	/*
		339	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		340	@ draw multiple crosshair points at given coordinates in color 'color'
		341	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		342	@ may be set draggable / onclick individually (!)
		343	*/
		344	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		345	fill_color = stroke_color;
		346	i=0;
		347	while( ! done ){ /* get next item until EOL*/
		348	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		349	if(i%2 == 0 ){
		350	double_data[i] = get_real(infile,0); /* x */
		351	}
		352	else
		353	{
		354	double_data[i] = get_real(infile,1); /* y */
		355	}
		356	i++;
		357	}
		358	decimals = find_number_of_digits(precision);
		359	for(c=0 ; c < i-1 ; c = c+2){
7785	schaersvoo	360	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	361	click_cnt++;
		362	}
		363	reset();
		364	break;
		365	case POINT:
		366	/*
		367	@ point x,y,color
		368	@ draw a single point at (x;y) in color 'color'
		369	@ use command 'linewidth int' to adust size
		370	@ may be set draggable / onclick
		371	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
		372	*/
		373	for(i=0;i<3;i++){
		374	switch(i){
		375	case 0: double_data[0] = get_real(infile,0);break; /* x */
		376	case 1: double_data[1] = get_real(infile,0);break; /* y */
		377	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		378	decimals = find_number_of_digits(precision);
7785	schaersvoo	379	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\",%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,use_affine,affine_matrix);
7614	schaersvoo	380	click_cnt++;break;
		381	default: break;
		382	}
		383	}
		384	reset();
		385	break;
		386	case POINTS:
		387	/*
7634	schaersvoo	388	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	389	@ draw multiple points at given coordinates in color 'color'
		390	@ use command 'linewidth int' to adust size
		391	@ may be set draggable / onclick individually (!)
		392	*/
		393	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		394	fill_color = stroke_color;
		395	i=0;
		396	while( ! done ){ /* get next item until EOL*/
		397	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		398	if(i%2 == 0 ){
		399	double_data[i] = get_real(infile,0); /* x */
		400	}
		401	else
		402	{
		403	double_data[i] = get_real(infile,1); /* y */
		404	}
		405	i++;
		406	}
		407	decimals = find_number_of_digits(precision);
		408	for(c = 0 ; c < i-1 ; c = c+2){
7785	schaersvoo	409	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\",%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,use_affine,affine_matrix);
7614	schaersvoo	410	click_cnt++;
		411	}
		412	reset();
		413	break;
		414	case SEGMENT:
		415	/*
		416	@ segment x1,y1,x2,y2,color
		417	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		418	@ may be set draggable / onclick
		419	*/
		420	for(i=0;i<5;i++) {
		421	switch(i){
		422	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		423	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		424	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		425	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		426	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		427	decimals = find_number_of_digits(precision);
7785	schaersvoo	428	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	429	click_cnt++;reset();
		430	break;
		431	default: break;
		432	}
		433	}
		434	break;
		435	case LINE:
		436	/*
		437	@ line x1,y1,x2,y2,color
		438	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		439	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		440	@ may be set draggable / onclick
		441	*/
		442	for(i=0;i<5;i++){
		443	switch(i){
		444	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		445	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		446	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		447	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		448	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		449	if( double_data[10] == double_data[12] ){ /* vertical line*/
		450	double_data[1] = xmin;
		451	double_data[3] = ymax;
		452	double_data[0] = double_data[10];
		453	double_data[2] = double_data[10];
		454	}
		455	else
		456	{
		457	if( double_data[11] == double_data[13] ){ /* horizontal line */
		458	double_data[1] = double_data[11];
		459	double_data[3] = double_data[11];
		460	double_data[0] = ymin;
		461	double_data[2] = xmax;
		462	}
		463	else
		464	{
		465	/* m */
		466	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		467	/* q */
		468	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
		469
		470	/xmin,mxmin+q,xmax,mxmax+q/
		471
		472	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		473	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		474	double_data[0] = xmin;
		475	double_data[2] = xmax;
		476	}
		477	}
		478	decimals = find_number_of_digits(precision);
7785	schaersvoo	479	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	480	click_cnt++;reset();
		481	break;
		482	}
		483	}
		484	break;
		485	case HLINE:
		486	/*
		487	@ hline x,y,color
		488	@ draw a horizontal line through point (x:y) in color 'color'
		489	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		490	@ may be set draggable / onclick
		491	*/
		492	for(i=0;i<3;i++) {
		493	switch(i){
		494	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		495	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		496	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		497	double_data[3] = double_data[1];
		498	decimals = find_number_of_digits(precision);
7785	schaersvoo	499	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\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,use_affine,affine_matrix);
7614	schaersvoo	500	click_cnt++;reset();
		501	break;
		502	}
		503	}
		504	break;
		505	case VLINE:
		506	/*
		507	@ vline x,y,color
		508	@ draw a vertical line through point (x:y) in color 'color'
		509	@ may be set draggable / onclick
		510	*/
		511	for(i=0;i<3;i++) {
		512	switch(i){
		513	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		514	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		515	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		516	double_data[2] = double_data[0];
		517	decimals = find_number_of_digits(precision);
7785	schaersvoo	518	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\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,use_affine,affine_matrix);
7614	schaersvoo	519	click_cnt++;reset();
		520	break;
		521	}
		522	}
		523	break;
		524	case SQUARE:
		525	/*
		526	@ square x,y,side,color
		527	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		528	@ use command 'fsquare x,y,side,color' for a filled square
		529	@ use command/keyword 'filled' before command 'square x,y,side,color'
		530	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		531	@ may be set draggable / onclick
		532	*/
		533	for(i=0;i<5;i++){
		534	switch(i){
		535	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		536	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		537	case 2:double_data[2] = get_real(infile,0);
		538	double_data[3] = double_data[2];
		539	break; /* x-values */
		540	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		541	decimals = find_number_of_digits(precision);
7785	schaersvoo	542	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\",%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,use_affine,affine_matrix);
7614	schaersvoo	543	click_cnt++;reset();
		544	break;
		545	}
		546	}
		547	break;
		548	case ROUNDRECT:
		549	/*
		550	@ roundrect x1,y1,x2,y2,radius,color
		551	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		552	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		553	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		554	@ may be set draggable / onclick
		555	*/
		556	for(i=0;i<6;i++){
		557	switch(i){
		558	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		559	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		560	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		561	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		562	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		563	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		564	decimals = find_number_of_digits(precision);
7785	schaersvoo	565	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,6,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	566	click_cnt++;reset();
		567	break;
		568	}
		569	}
		570	break;
		571	case RECT:
		572	/*
		573	@ rect x1,y1,x2,y2,color
		574	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		575	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		576	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		577	@ may be set draggable / onclick
		578	*/
		579	for(i=0;i<5;i++){
		580	switch(i){
		581	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		582	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		583	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		584	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		585	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		586	decimals = find_number_of_digits(precision);
7785	schaersvoo	587	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[2],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[3],decimals,double_data[3],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	588	click_cnt++;reset();
		589	break;
		590	}
		591	}
		592	break;
		593	case POLYLINE:
		594	/*
		595	@ polyline color,x1,y1,x2,y2...x_n,y_n
		596	@ may be set draggable / onclick
		597	*/
		598	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		599	i=0;
		600	c=0;
		601	while( ! done ){ /* get next item until EOL*/
		602	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		603	for( c = 0 ; c < 2; c++){
		604	if(c == 0 ){
		605	double_data[i] = get_real(infile,0);
		606	i++;
		607	}
		608	else
		609	{
		610	double_data[i] = get_real(infile,1);
		611	i++;
		612	}
		613	}
		614	}
		615	/* draw path : not closed & not filled */
		616	decimals = find_number_of_digits(precision);
7785	schaersvoo	617	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	618	click_cnt++;reset();
		619	break;
		620	case POLY:
		621	/*
		622	@ poly color,x1,y1,x2,y2...x_n,y_n
		623	@ draw closed polygon
		624	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		625	@ may be set draggable / onclick
		626	*/
		627	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		628	i=0;
		629	c=0;
		630	while( ! done ){ /* get next item until EOL*/
		631	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		632	for( c = 0 ; c < 2; c++){
		633	if(c == 0 ){
		634	double_data[i] = get_real(infile,0);
		635	i++;
		636	}
		637	else
		638	{
		639	double_data[i] = get_real(infile,1);
		640	i++;
		641	}
		642	}
		643	}
		644	/* draw path : closed & optional filled */
		645	decimals = find_number_of_digits(precision);
7785	schaersvoo	646	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%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,use_affine,affine_matrix);
7614	schaersvoo	647	click_cnt++;reset();
		648	break;
		649	case ARC:
		650	/*
		651	@ arc xc,yc,width,height,start_angle,end_angle,color
		652	@ can not be set "onclick" or "drag xy"
		653	@ attention: width == height == radius in pixels)
		654	*/
		655	for(i=0;i<7;i++){
		656	switch(i){
		657	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		658	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		659	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		660	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		661	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		662	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		663	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		664	/* in Shape library:
		665	x[0] = x[1] = xc
		666	y[0] = y[1] = yc
		667	w[0] = w[1] = radius = width = height
		668	h[0] = start_angle ; h[1] = end_engle
		669	*/
		670	decimals = find_number_of_digits(precision);
7785	schaersvoo	671	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,12,[%.f,%.f],[%.f,%.f],[%d,%d],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%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,use_affine,affine_matrix);
7614	schaersvoo	672	reset();
		673	break;
		674	}
		675	}
		676	break;
		677	case ELLIPSE:
		678	/*
		679	@ ellipse xc,yc,radius_x,radius_y,color
		680	@ a ellipse with center xc/yc in x/y-range
		681	@ radius_x and radius_y are in pixels
		682	@ may be set draggable / onclick
		683	@ will shrink / expand on zoom out / zoom in
		684	*/
		685	for(i=0;i<5;i++){
		686	switch(i){
		687	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		688	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		689	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
		690	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
		691	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		692	decimals = find_number_of_digits(precision);
7785	schaersvoo	693	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,3,[%.f],[%.f],[%.f],[%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%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,use_affine,affine_matrix);
7614	schaersvoo	694	click_cnt++;reset();
		695	break;
		696	}
		697	}
		698	break;
		699	case DASHTYPE:
		700	/*
		701	@ dashtype int ,int
		702	@ When dashed is set, the objects will be drawn with this dashtyp
		703	@ default value "dashtype 2,2"
		704	*/
		705	for(i=0;i<2;i++){
		706	switch(i){
		707	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		708	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		709	}
		710	}
		711	break;
		712	case CIRCLE:
		713	/*
		714	@ circle xc,yc,width (2*r in pixels),color
		715	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		716	@ use command 'fillcolor color' to set the fillcolor
		717	@ may be set draggable / onclick
		718	@ will shrink / expand on zoom out / zoom in
		719	*/
		720	for(i=0;i<4;i++){
		721	switch(i){
		722	case 0: double_data[0] = get_real(infile,0);break; /* x */
		723	case 1: double_data[1] = get_real(infile,0);break; /* y */
		724	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		725	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		726	decimals = find_number_of_digits(precision);
7785	schaersvoo	727	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%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,use_affine,affine_matrix);
7614	schaersvoo	728	click_cnt++;reset();
		729	break;
		730	}
		731	}
		732	break;
		733	case RAYS:
		734	/*
		735	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		736	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	737	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	738	*/
		739	stroke_color=get_color(infile,0);
7786	schaersvoo	740	fill_color = stroke_color;
		741	double_data[0] = get_real(infile,0);/* xc */
		742	double_data[1] = get_real(infile,0);/* yc */
		743	i=2;
		744	while( ! done ){ /* get next item until EOL*/
		745	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		746	if(i%2 == 0 ){
		747	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	748	}
7786	schaersvoo	749	else
		750	{
		751	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	752	}
7786	schaersvoo	753	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		754	i++;
7614	schaersvoo	755	}
7786	schaersvoo	756
		757	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		758	decimals = find_number_of_digits(precision);
		759	for(c=2; c<i;c = c+2){
7614	schaersvoo	760	click_cnt++;
7786	schaersvoo	761	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[c],decimals,double_data[1],decimals,double_data[c+1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	762	}
		763	reset();
		764	break;
		765	case ARROW:
		766	/*
		767	@ arrow x1,y1,x2,y2,h,color
		768	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		769	@ use command 'linewidth int' to adjust thickness of the arrow
		770	@ may be set draggable / onclick
		771	*/
		772	for(i=0;i<6;i++){
		773	switch(i){
		774	case 0: double_data[0] = get_real(infile,0);break; /* x */
		775	case 1: double_data[1] = get_real(infile,0);break; /* y */
		776	case 2: double_data[2] = get_real(infile,0);break; /* x */
		777	case 3: double_data[3] = get_real(infile,0);break; /* y */
		778	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		779	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		780	decimals = find_number_of_digits(precision);
7785	schaersvoo	781	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,8,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	782	click_cnt++;
		783	reset();
		784	break;
		785	}
		786	}
		787	break;
		788	case ARROW2:
		789	/*
		790	@ arrow2 x1,y1,x2,y2,h,color
		791	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		792	@ use command 'arrowhead int' to adjust the arrow head size
		793	@ use command 'linewidth int' to adjust thickness of the arrow
		794	@ may be set draggable / onclick
		795	*/
		796	for(i=0;i<6;i++){
		797	switch(i){
		798	case 0: double_data[0] = get_real(infile,0);break; /* x */
		799	case 1: double_data[1] = get_real(infile,0);break; /* y */
		800	case 2: double_data[2] = get_real(infile,0);break; /* x */
		801	case 3: double_data[3] = get_real(infile,0);break; /* y */
		802	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		803	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		804	decimals = find_number_of_digits(precision);
7785	schaersvoo	805	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,10,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	806	click_cnt++;reset();
		807	break;
		808	}
		809	}
		810	break;
		811	case PARALLEL:
		812	/*
		813	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
		814	@ can not be set "onclick" or "drag xy"
		815	*/
		816	for( i = 0;i < 8; i++ ){
		817	switch(i){
		818	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		819	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		820	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		821	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		822	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		823	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		824	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		825	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		826	decimals = find_number_of_digits(precision);
7785	schaersvoo	827	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,11,[%.f,%.f,%.f],[%.f,%.f,%.f],[%d,%d,%d],[%d,%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	828	click_cnt++;reset();
		829	break;
		830	default: break;
		831	}
		832	}
		833	break;
		834	case TRIANGLE:
		835	/*
		836	@triangle x1,y1,x2,y2,x3,y3,color
		837	@may be set draggable / onclic
		838	*/
		839	for(i=0;i<7;i++){
		840	switch(i){
		841	case 0: double_data[0] = get_real(infile,0);break; /* x */
		842	case 1: double_data[1] = get_real(infile,0);break; /* y */
		843	case 2: double_data[2] = get_real(infile,0);break; /* x */
		844	case 3: double_data[3] = get_real(infile,0);break; /* y */
		845	case 4: double_data[4] = get_real(infile,0);break; /* x */
		846	case 5: double_data[5] = get_real(infile,0);break; /* y */
		847	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		848	decimals = find_number_of_digits(precision);
7785	schaersvoo	849	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,6,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	850	click_cnt++;reset();
		851	break;
		852	default: break;
		853	}
		854	}
		855	break;
		856	case LATTICE:
		857	/*
		858	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
		859	@can not be set "onclick" or "drag xy"
		860	*/
		861	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		862	for( i = 0; i<9; i++){
		863	switch(i){
		864	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		865	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		866	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		867	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		868	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		869	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		870	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		871	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		872	case 8: stroke_color=get_color(infile,1);
		873	decimals = find_number_of_digits(precision);
		874	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);
		875	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		876	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);
		877	add_to_buffer(tmp_buffer);
		878	break;
		879	default:break;
		880	}
		881	}
		882	reset();
		883	break;
		884	case SNAPTOGRID:
		885	/*
		886	@ snaptogrid
		887	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		888	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	889	@ if xminor / yminor is defined, the drawing will snap to xminor and yminor<br />use only even dividers in x/y-minor...for example<br />snaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
7614	schaersvoo	890	*/
7784	schaersvoo	891	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;var snap_x = 1;var snap_y = 1;function 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	892	break;
7784	schaersvoo	893	case XSNAPTOGRID:
		894	/*
		895	@ xsnaptogrid
		896	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		897	@ in case of userdraw the drawn points will snap to xmajor grid
		898	@ if xminor / yminor is defined, the drawing will snap to xminor <br />use only even dividers in x-minor...for example<br />xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
		899	*/
		900	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;var snap_x = 1;if (typeof snap_y === 'undefined') { var snap_y = 1;};var snap_y = 1;function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\n");
		901	break;
		902	case YSNAPTOGRID:
		903	/*
		904	@ ysnaptogrid
		905	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		906	@ in case of userdraw the drawn points will snap to ymajor grid
		907	@ if xminor / yminor is defined, the drawing will snap to yminor <br />use only even dividers in y-minor...for example<br />ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
		908	*/
		909	fprintf(js_include_file,"\ny_use_snap_to_grid = 1;if (typeof snap_x === 'undefined') { var snap_x = 1;};var snap_y = 1;\nfunction snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n");
		910	break;
7663	schaersvoo	911	case USERTEXTAREA_XY:
		912	/*
		913	@ usertextarea_xy
		914	@ keyword
		915	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
		916	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
		917	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		918	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
		919	@ user drawings will not zoom on zooming (or pan on panning)
		920	*/
7749	schaersvoo	921	if(use_tooltip == TRUE){canvas_error("usertextarea_xy can not be combined with intooltip command");}
		922	if( use_input_xy == 1 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		923	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		924	use_input_xy = 2;
		925	break;
7652	schaersvoo	926	case USERINPUT_XY:
		927	/*
		928	@ userinput_xy
		929	@ keyword
		930	@ to be used in combination with command "userdraw object_type,color"
		931	@ 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)
		932	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	933	@ math input is allowed (e.g something like: 1+3,2*6,1/3,sqrt(3), sin(pi/4),10^-2,log(2)...)<br />eval function is 'protected' against code injection.
7652	schaersvoo	934	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7653	schaersvoo	935	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	936	*/
7749	schaersvoo	937	if(use_tooltip == TRUE){canvas_error("userinput_xy can not be combined with intooltip command");}
		938	/* add simple eval check to avoid code injection with unprotected eval(string) */
		939	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		940	use_input_xy = 1;
		941	break;
7614	schaersvoo	942	case USERDRAW:
		943	/*
		944	@ userdraw object_type,color
7663	schaersvoo	945	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrows</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li></ul>
7614	schaersvoo	946	@ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
		947	@ 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
		948	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
		949	@ 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)
		950	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
		951	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
		952	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		953	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7663	schaersvoo	954	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	955	@ note: when zooming / panning after a drawing, the drawing will NOT be zoomed / panned...this is a "design" flaw and not a feature <br />To avoid trouble do not use zooming / panning together width userdraw.!
7614	schaersvoo	956	*/
		957	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		958	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		959	}
		960	use_userdraw = TRUE;
7653	schaersvoo	961	fprintf(js_include_file,"<!-- begin userdraw mouse events -->\nvar userdraw_x = new Array();var userdraw_y = new Array();var userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};if(wims_status != \"done\"){canvas_div.addEventListener(\"mousedown\",user_draw,false);canvas_div.addEventListener(\"mousemove\",user_drag,false);canvas_div.addEventListener(\"touchstart\",user_draw,false);canvas_div.addEventListener(\"touchmove\",user_drag,false);}\n<!-- end userdraw mouse events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614	schaersvoo	962	draw_type = get_string_argument(infile,0);
		963	stroke_color = get_color(infile,1);
		964	if( strcmp(draw_type,"point") == 0 ){
		965	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		966	if(reply_format < 1 ){reply_format = 8;}
		967	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652	schaersvoo	968	if(use_input_xy == 1){
		969	add_input_circle(js_include_file,1,1);
		970	add_input_xy(js_include_file,canvas_root_id);
		971	}
7614	schaersvoo	972	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);
		973	}
		974	else
		975	if( strcmp(draw_type,"points") == 0 ){
		976	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		977	if(reply_format < 1 ){reply_format = 8;}
		978	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652	schaersvoo	979	if(use_input_xy == 1){
		980	add_input_circle(js_include_file,1,2);
		981	add_input_xy(js_include_file,canvas_root_id);
		982	}
7614	schaersvoo	983	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);
		984	}
		985	else
		986	if( strcmp(draw_type,"segment") == 0 ){
		987	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		988	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		989	if(reply_format < 1){reply_format = 11;}
7652	schaersvoo	990	if(use_input_xy == 1){
		991	add_input_segment(js_include_file,1);
		992	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		993	}
7614	schaersvoo	994	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		995	}
		996	else
7663	schaersvoo	997	if( strcmp(draw_type,"polyline") == 0 ){
		998	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	999	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	1000	if( use_input_xy == 1 ){
		1001	add_input_polyline(js_include_file);
		1002	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1003	}
		1004	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1005	}
		1006	else
7614	schaersvoo	1007	if( strcmp(draw_type,"segments") == 0 ){
		1008	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1009	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1010	if(reply_format < 1){reply_format = 11;}
7652	schaersvoo	1011	if(use_input_xy == 1){
		1012	add_input_segment(js_include_file,2);
		1013	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1014	}
7614	schaersvoo	1015	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1016	}
		1017	else
		1018	if( strcmp(draw_type,"circle") == 0 ){
		1019	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1020	if(reply_format < 1){reply_format = 10;}
		1021	/* 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	1022	if(use_input_xy == 1){
		1023	add_input_circle(js_include_file,2,1);
		1024	add_input_xyr(js_include_file,canvas_root_id);
		1025	}
7614	schaersvoo	1026	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]);
		1027	}
		1028	else
		1029	if( strcmp(draw_type,"circles") == 0 ){
		1030	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1031	if(reply_format < 1){reply_format = 10;}
		1032	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1033	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	1034	if(use_input_xy == 1){
		1035	add_input_circle(js_include_file,2,2);
		1036	add_input_xyr(js_include_file,canvas_root_id);
		1037	}
7614	schaersvoo	1038	}
		1039	else
		1040	if(strcmp(draw_type,"crosshair") == 0 ){
		1041	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1042	if(reply_format < 1){reply_format = 8;}
		1043	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1044	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654	schaersvoo	1045	if(use_input_xy == 1){
		1046	add_input_crosshair(js_include_file,1);
		1047	add_input_xy(js_include_file,canvas_root_id);
		1048	}
7614	schaersvoo	1049	}
		1050	else
		1051	if(strcmp(draw_type,"crosshairs") == 0 ){
		1052	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1053	if(reply_format < 1){reply_format = 8;}
		1054	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1055	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654	schaersvoo	1056	if(use_input_xy == 1){
		1057	add_input_crosshair(js_include_file,2);
		1058	add_input_xy(js_include_file,canvas_root_id);
		1059	}
7614	schaersvoo	1060	}
		1061	else
		1062	if(strcmp(draw_type,"freehandline") == 0 ){
		1063	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1064	if(reply_format < 1){reply_format = 6;}
		1065	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	1066	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1067	}
		1068	else
		1069	if(strcmp(draw_type,"freehandlines") == 0 ){
		1070	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1071	if(reply_format < 1){reply_format = 6;}
		1072	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	1073	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1074	}
		1075	else
		1076	if(strcmp(draw_type,"path") == 0 ){
		1077	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1078	if(reply_format < 1){reply_format = 6;}
		1079	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	1080	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1081	}
		1082	else
		1083	if(strcmp(draw_type,"paths") == 0 ){
		1084	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1085	if(reply_format < 1){reply_format = 6;}
		1086	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	1087	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1088	}
		1089	else
		1090	if(strcmp(draw_type,"arrows") == 0 ){
		1091	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1092	if(reply_format < 1){reply_format = 11;}
		1093	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654	schaersvoo	1094	if(use_input_xy == 1){
		1095	add_input_arrow(js_include_file,2);
		1096	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1097	}
7614	schaersvoo	1098	}
		1099	else
		1100	if(strcmp(draw_type,"arrow") == 0 ){
		1101	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1102	if(reply_format < 1){reply_format = 11;}
		1103	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654	schaersvoo	1104	if(use_input_xy == 1){
		1105	add_input_arrow(js_include_file,1);
		1106	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1107	}
7614	schaersvoo	1108	}
		1109	else
		1110	if(strcmp(draw_type,"polygon") == 0){
		1111	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1112	if(reply_format < 1){reply_format = 2;}
		1113	add_js_poly(js_include_file,-1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7780	schaersvoo	1114	if( use_input_xy == 2 ){
		1115	add_textarea_polygon(js_include_file);
		1116	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1117	}
7614	schaersvoo	1118	}
		1119	else
		1120	if(strncmp(draw_type,"poly",4) == 0){
		1121	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1122	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1123	if(reply_format < 1){reply_format = 2;}
		1124	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	1125	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1126	}
		1127	else
		1128	if(strcmp(draw_type,"triangle") == 0){
		1129	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1130	if(reply_format < 1){reply_format = 2;}
		1131	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	1132	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1133	}
		1134	else
		1135	if( strcmp(draw_type,"line") == 0 ){
		1136	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1137	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1138	if(reply_format < 1){reply_format = 11;}
		1139	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1140	if( use_input_xy == 1 ){
7780	schaersvoo	1141	add_input_line(js_include_file,1);
7747	schaersvoo	1142	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1143	}
7614	schaersvoo	1144	}
		1145	else
		1146	if( strcmp(draw_type,"lines") == 0 ){
		1147	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1148	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1149	if(reply_format < 1){reply_format = 11;}
		1150	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1151	if( use_input_xy == 1 ){
7780	schaersvoo	1152	add_input_line(js_include_file,2);
7747	schaersvoo	1153	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1154	}
7614	schaersvoo	1155	}
		1156	else
		1157	if( strcmp(draw_type,"rects") == 0){
		1158	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1159	if(reply_format < 1){reply_format = 2;}
		1160	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	1161	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1162	}
		1163	else
		1164	if( strcmp(draw_type,"roundrects") == 0){
		1165	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1166	if(reply_format < 1){reply_format = 2;}
		1167	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	1168	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1169	}
		1170	else
		1171	if( strcmp(draw_type,"rect") == 0){
		1172	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1173	if(reply_format < 1){reply_format = 2;}
		1174	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	1175	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1176	}
		1177	else
		1178	if( strcmp(draw_type,"roundrect") == 0){
		1179	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1180	if(reply_format < 1){reply_format = 2;}
		1181	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	1182	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1183	}
		1184	else
		1185	if( strcmp(draw_type,"text") == 0){
		1186	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		1187	if(reply_format < 1){reply_format = 17;}
		1188	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	1189	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1190	}
		1191	else
		1192	{
		1193	canvas_error("unknown drawtype or typo? ");
		1194	}
		1195	reset();
		1196	break;
		1197	case PLOTSTEPS:
		1198	/*
		1199	@ plotsteps a_number
		1200	@ default 150
		1201	@ use with care !
		1202	*/
		1203	plot_steps = (int) (get_real(infile,1));
		1204	break;
		1205	case FONTSIZE:
		1206	/*
		1207	@fontsize font_size
		1208	@default value 12
		1209	*/
		1210	font_size = (int) (get_real(infile,1));
		1211	break;
		1212	case FONTCOLOR:
		1213	/*
		1214	@fontcolor color
		1215	@color: hexcolor or colorname
		1216	@default: black
		1217	@example usage: x/y-axis text
		1218	*/
		1219	font_color = get_color(infile,1);
		1220	break;
		1221	case ANIMATE:
		1222	/*
		1223	@animate type
		1224	@type may be "point" (nothing else , yet...)
		1225	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1226	@will animate a point on the next plot/curve command
		1227	@the curve will not be draw
		1228	@moves repeatedly from xmin to xmax
		1229	*/
		1230	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1231	break;
7788	schaersvoo	1232	case LEVELCURVE:
		1233	/*
		1234	@levelcurve color,expression in x/y,l1,l2,...
		1235	@Draws (pixel) level curves for expression, with levels l1, l2,...
		1236	@Take care : the arrays for holding the javascript data are limited in size !!
		1237	*/
		1238	stroke_color = get_color(infile,0);
		1239	char *fun1 = get_string_argument(infile,0);
		1240	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1241	i = 0;
		1242	done = FALSE;
		1243	while( !done ){
		1244	double_data[i] = get_real(infile,1);
		1245	i++;
		1246	}
		1247	for(c = 0 ; c < i; c++){
		1248	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,eval_levelcurve(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision,double_data[c]),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
		1249	click_cnt++;
		1250	}
		1251	reset();
		1252	break;
7614	schaersvoo	1253	case CURVE:
		1254	/*
		1255	@curve color,formula(x)
		1256	@plot color,formula(x)
		1257	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1258	@use command "precision" to increase the number of digits of the plotted points
		1259	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1260	@may be set draggable / onclick
		1261	*/
		1262	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1263	use_parametric = FALSE;
		1264	stroke_color = get_color(infile,0);
		1265	char *fun1 = get_string_argument(infile,0);
		1266	char *fun2 = get_string_argument(infile,1);
		1267	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1268	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,animation_type,eval_parametric(xsize,ysize,fun1,fun2,xmin,xmax,ymin,ymax,tmin,tmax,plot_steps,precision),2line_width,2line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	1269	click_cnt++;
		1270	}
		1271	else
		1272	{
		1273	stroke_color = get_color(infile,0);
		1274	char *fun1 = get_string_argument(infile,1);
		1275	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1276	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,animation_type,eval(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	1277	click_cnt++;
		1278	}
7788	schaersvoo	1279	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1280	reset();
		1281	break;
		1282	case FLY_TEXT:
		1283	/*
		1284	@ text fontcolor,x,y,font,text_string
		1285	@ font may be described by keywords : giant,huge,normal,small,tiny
		1286	@ use command 'fontsize' to increase base fontsize for the keywords
		1287	@ may be set "onclick" or "drag xy"
		1288	@ backwards compatible with flydraw
		1289	@ unicode supported: text red,0,0,huge,\\u2232
		1290	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1291	@ 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.
		1292	*/
		1293	for(i = 0; i < 5 ;i++){
		1294	switch(i){
		1295	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1296	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1297	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1298	case 3: fly_font = get_string_argument(infile,0);
		1299	if(strcmp(fly_font,"giant") == 0){
		1300	font_size = (int)(font_size + 24);
		1301	}
		1302	else
		1303	{
		1304	if(strcmp(fly_font,"huge") == 0){
		1305	font_size = (int)(font_size + 14);
		1306	}
		1307	else
		1308	{
		1309	if(strcmp(fly_font,"large") == 0){
		1310	font_size = (int)(font_size + 6);
		1311	}
		1312	else
		1313	{
		1314	if(strcmp(fly_font,"small") == 0){
		1315	font_size = (int)(font_size - 4);
		1316	if(font_size<0){font_size = 8;}
		1317	}
		1318	}
		1319	}
		1320	}
		1321	break; /* font_size ! */
		1322	case 4:
		1323	temp = get_string_argument(infile,1);
		1324	decimals = find_number_of_digits(precision);
7785	schaersvoo	1325	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\",%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,use_affine,affine_matrix);
7614	schaersvoo	1326	click_cnt++;reset();break;
		1327	default:break;
		1328	}
		1329	}
		1330	break;
		1331	case FLY_TEXTUP:
		1332	/*
		1333	@ textup fontcolor,x,y,font,text_string
		1334	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1335	@ font may be described by keywords : giant,huge,normal,small,tiny
		1336	@ use command 'fontsize' to increase base fontsize for the keywords
		1337	@ backwards compatible with flydraw
		1338	@ unicode supported: textup red,0,0,huge,\\u2232
		1339	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1340	@ 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.
		1341	*/
		1342	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		1343	for(i = 0; i<5 ;i++){
		1344	switch(i){
		1345	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1346	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1347	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1348	case 3: fly_font = get_string_argument(infile,0);
		1349	if(strcmp(fly_font,"giant") == 0){
		1350	font_size = (int)(font_size + 24);
		1351	}
		1352	else
		1353	{
		1354	if(strcmp(fly_font,"huge") == 0){
		1355	font_size = (int)(font_size + 14);
		1356	}
		1357	else
		1358	{
		1359	if(strcmp(fly_font,"large") == 0){
		1360	font_size = (int)(font_size + 6);
		1361	}
		1362	else
		1363	{
		1364	if(strcmp(fly_font,"small") == 0){
		1365	font_size = (int)(font_size - 4);
		1366	if(font_size<0){font_size = 8;}
		1367	}
		1368	}
		1369	}
		1370	}
		1371	break; /* font_size ! */
		1372	case 4:
		1373	decimals = find_number_of_digits(precision);
		1374	temp = get_string_argument(infile,1);
		1375	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,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);
		1376	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1377	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,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);
		1378	add_to_buffer(tmp_buffer);
		1379	break;
		1380	default:break;
		1381	}
		1382	}
		1383	reset();
		1384	break;
		1385	case FONTFAMILY:
		1386	/*
		1387	@ fontfamily font_description
		1388	@ set the font family; for browsers that support it
		1389	@ font_description: Ariel ,Courier, Helvetica etc
		1390	@ 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
		1391	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1392	*/
		1393	font_family = get_string(infile,1);
		1394	break;
		1395	case STRINGUP:
		1396	/*
		1397	@ stringup color,x,y,rotation_degrees,the text string
		1398	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1399	@ unicode supported: stringup red,0,0,45,\\u2232
		1400	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1401
		1402	*/
		1403	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1404	for(i=0;i<6;i++){
		1405	switch(i){
		1406	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1407	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1408	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1409	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1410	case 4: decimals = find_number_of_digits(precision);
		1411	temp = get_string_argument(infile,1);
		1412	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);
		1413	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1414	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);
		1415	add_to_buffer(tmp_buffer);
		1416	break;
		1417	default:break;
		1418	}
		1419	}
		1420	reset();
		1421	break;
		1422	case STRING:
		1423	/*
		1424	@ string color,x,y,the text string
		1425	@ may be set "onclick" or "drag xy"
		1426	@ unicode supported: string red,0,0,\\u2232
		1427	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
		1428	*/
		1429	for(i=0;i<5;i++){
		1430	switch(i){
		1431	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1432	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1433	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1434	case 3: decimals = find_number_of_digits(precision);
		1435	temp = get_string_argument(infile,1);
		1436	decimals = find_number_of_digits(precision);
7785	schaersvoo	1437	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\",%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,use_affine,affine_matrix);
7614	schaersvoo	1438	click_cnt++;reset();break;
		1439	break;
		1440	default:break;
		1441	}
		1442	}
		1443	break;
		1444	case MATHML:
		1445	/*
		1446	@ mathml x1,y1,x2,y2,mathml_string
		1447	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
		1448	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1449	@ 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();"
		1450	@ If other inputfields (command input / command textarea) or userdraw is performed, the function read_canvas() will not read mathml. Use some generic function to read it....
7653	schaersvoo	1451
7614	schaersvoo	1452	*/
		1453	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1454	for(i=0;i<5;i++){
		1455	switch(i){
		1456	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1457	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1458	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1459	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1460	case 4: decimals = find_number_of_digits(precision);
		1461	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
		1462	temp = get_string(infile,1);
		1463	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1464	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);
		1465	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1466	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);
		1467	add_to_buffer(tmp_buffer);
		1468	/*
		1469	in case inputs are present , trigger adding the read_mathml()
		1470	if no other reply_format is defined
		1471	note: all other reply types will include a reading of elements with id='mathml'+p)
		1472	*/
		1473	if(strstr(temp,"mathml0") != NULL){
		1474	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1475	}
		1476	break;
		1477	default:break;
		1478	}
		1479	}
		1480	reset();
		1481	break;
		1482	case HTTP:
		1483	/*
		1484	@http x1,y1,x2,y2,http://some_adress.com
		1485	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
		1486	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1487	@can not be 'set onclick' or 'drag xy'
		1488	*/
		1489	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		1490	for(i=0;i<5;i++){
		1491	switch(i){
		1492	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1493	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1494	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1495	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1496	case 4: decimals = find_number_of_digits(precision);
		1497	temp = get_string(infile,1);
		1498	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1499	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);
		1500	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1501	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);
		1502	add_to_buffer(tmp_buffer);
		1503	break;
		1504	}
		1505	}
		1506	reset();
		1507	break;
		1508	case HTML:
		1509	/*
		1510	@ html x1,y1,x2,y2,html_string
		1511	@ all tags are allowed
		1512	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1513	@ 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.
		1514
		1515	note: uses the same code as 'mathml'
		1516	*/
		1517	break;
		1518	case X_AXIS_STRINGS:
		1519	/*
		1520	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1521	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1522	@ use these x-axis values in stead of default xmin...xmax
		1523	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1524	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1525	@ 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
		1526	@ 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
		1527	*/
		1528	temp = get_string(infile,1);
		1529	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1530	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1531	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1532	use_axis_numbering = 1;
		1533	break;
		1534	case Y_AXIS_STRINGS:
		1535	/*
		1536	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1537	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1538	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1539	@ use these y-axis values in stead of default ymin...ymax
		1540	@ 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
		1541	*/
		1542	temp = get_string(infile,1);
		1543	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1544	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1545	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1546	use_axis_numbering = 1;
		1547	break;
		1548
		1549	case AXIS_NUMBERING:
		1550	/*
		1551	@ axisnumbering
		1552	@ keyword, no aguments required
		1553	*/
		1554	use_axis_numbering = 1;
		1555	break;
		1556	case AXIS:
		1557	/*
		1558	@ axis
		1559	@ keyword, no aguments required
		1560
		1561	*/
		1562	use_axis = TRUE;
		1563	break;
7654	schaersvoo	1564	case SGRAPH:
		1565	/*
		1566	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1567	@ primitive implementation of a 'broken scale' graph...
		1568	@ not very versatile.
		1569	@ example:<br />size 400,400<br />xrange 0,10000<br />yrange 0,100<br />sgraph 9000,50,100,10,4,4,grey,blue<br />userinput_xy<br />linewidth 2<br />userdraw segments,red
		1570	*/
		1571	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		1572	for(i = 0 ; i < 8 ;i++){
		1573	switch(i){
		1574	case 0:double_data[0] = get_real(infile,0);break;
		1575	case 1:double_data[1] = get_real(infile,0);break;
		1576	case 2:double_data[2] = get_real(infile,0);break;
		1577	case 3:double_data[3] = get_real(infile,0);break;
		1578	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1579	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1580	case 6:stroke_color = get_color(infile,0);break;
		1581	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1582	string_length = snprintf(NULL,0,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
7654	schaersvoo	1583	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1584	snprintf(tmp_buffer,string_length,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
7654	schaersvoo	1585	add_to_buffer(tmp_buffer);
		1586	break;
		1587	default:break;
		1588	}
		1589	}
		1590	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1591	break;
7614	schaersvoo	1592	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1593	/*
		1594	@ grid step_x,step_y,gridcolor
		1595	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1596	@ if keywords "axis" or "axisnumbering" are set, use :<br />grid step_x,step_y,major_color,minor_x,minor_y,tics height in px,axis_color<br />minor x step = step_x / minor_x
7654	schaersvoo	1597	@ if xmin > 0 and/or ymin > 0 and zooming / panning is not activ: <br /> be aware that the x/y-axis numbering and x/y major/minor tic marks will not be visual <br /> as they are placed under the x-axis and left to the y-axis (in Quadrant II and IV)
7614	schaersvoo	1598	@ can not be set "onclick" or "drag xy"
		1599	@ 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')
		1600	@ 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')
		1601	@ 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')
		1602	*/
7729	schaersvoo	1603	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1604	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1605	for(i=0;i<4;i++){
		1606	switch(i){
		1607	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1608	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1609	case 2:
		1610	if( use_axis == TRUE ){
		1611	stroke_color = get_color(infile,0);
		1612	done = FALSE;
		1613	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1614	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1615	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1616	fill_color = get_color(infile,1); /* used as axis_color*/
		1617	}
		1618	else
		1619	{
		1620	int_data[0] = 1;
		1621	int_data[1] = 1;
		1622	stroke_color = get_color(infile,1);
		1623	fill_color = stroke_color;
		1624	}
		1625	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	1626	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1627	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	1628	/* 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){ */
		1629
		1630	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);
		1631	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1632	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);
		1633	add_to_buffer(tmp_buffer);
		1634	break;
		1635	}
		1636	}
		1637	reset();
		1638	break;
		1639	case OPACITY:
		1640	/*
		1641	@ opacity 0-255,0-255
		1642	@
		1643	*/
		1644	for(i = 0 ; i<2;i++){
		1645	switch(i){
		1646	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1647	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1648	default: break;
		1649	}
		1650	}
		1651	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 ? */
		1652	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1653	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1654	break;
		1655	case ROTATE:
		1656	/*
		1657	@rotate rotation_angle
		1658	@
		1659	*/
		1660	use_rotate = TRUE;
		1661	use_translate = TRUE;
		1662	translate_x = x2px(0);
		1663	translate_y = y2px(0);
		1664	angle = get_real(infile,1);
		1665	break;
7785	schaersvoo	1666	case KILLAFFINE:
		1667	/*
		1668	@ killaffine
		1669	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1670	*/
		1671	use_affine = FALSE;
		1672	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1673	break;
		1674	case AFFINE:
		1675	/*
		1676	@affine a,b,c,d,tx,ty
		1677	@ defines a transformation matrix for subsequent objects
		1678	@ use keyword 'killaffine' to end the transformation
		1679	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1680	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1681	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1682	@ a : Scales the drawings horizontally
		1683	@ b : Skews the drawings horizontally
		1684	@ c : Skews the drawings vertically
		1685	@ d : Scales the drawings vertically
7786	schaersvoo	1686	@ tx: Moves the drawings horizontally in pixels !
		1687	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1688	*/
		1689	for(i = 0 ; i<6;i++){
		1690	switch(i){
		1691	case 0: double_data[0] = get_real(infile,0);break;
		1692	case 1: double_data[1] = get_real(infile,0);break;
		1693	case 2: double_data[2] = get_real(infile,0);break;
		1694	case 3: double_data[3] = get_real(infile,0);break;
		1695	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1696	case 5: int_data[1] = (int)(get_real(infile,1));
		1697	use_affine = TRUE;
		1698	string_length = snprintf(NULL,0,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);
		1699	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		1700	snprintf(affine_matrix,string_length,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);
		1701	break;
		1702	default: break;
		1703	}
		1704	}
		1705	break;
7614	schaersvoo	1706	case KILLTRANSLATION:
		1707	/*
		1708	killtranslation
		1709	*/
		1710	break;
		1711	case TRANSLATION:
		1712	/*
		1713	@translation tx,ty
		1714	@
		1715	*/
		1716	use_translate = TRUE;
		1717	translate_x = get_real(infile,0);
		1718	translate_y = get_real(infile,1);
		1719	break;
		1720	case DASHED:
		1721	/*
		1722	@ keyword "dashed"
		1723	@ next object will be drawn with a dashed line
		1724	@ change dashing scheme by using command "dashtype int,int)
		1725	*/
		1726	use_dashed = TRUE;
		1727	break;
		1728	case FILLED:
		1729	/*
		1730	@ keyword "filled"
		1731	@ the next 'fillable' object (only) will be filled
		1732	@ use command "fillcolor color" to set fillcolor
		1733	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1734	@ 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 !
		1735	*/
		1736	use_filled = TRUE;
		1737	break;
		1738	case STYLE:
		1739	/*
		1740	@highlight color,opacity,linewidth
		1741	@ NOT IMPLEMENTED
		1742	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1743	*/
		1744	break;
		1745	case FILLCOLOR:
		1746	/*
		1747	@ fillcolor colorname or #hex
		1748	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1749	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1750	*/
		1751	fill_color = get_color(infile,1);
		1752	break;
		1753	case STROKECOLOR:
		1754	/*
		1755	@ strokecolor colorname or #hex
		1756	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1757	*/
		1758	stroke_color = get_color(infile,1);
		1759	break;
		1760	case BGIMAGE:
		1761	/*
		1762	@bgimage image_location
		1763	@use an image as background .<br />(we use the background of 'canvas_div' )
		1764	@the background image will be resized to match "width = xsize" and "height = ysize"
		1765	*/
		1766	URL = get_string(infile,1);
		1767	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);
		1768	break;
		1769	case BGCOLOR:
		1770	/*
		1771	@bgcolor colorname or #hex
		1772	@use this color as background of the "div" containing the canvas(es)
		1773	*/
		1774	/* [255,255,255]*/
		1775	bgcolor = get_string(infile,1);
		1776	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1777	int found = 0;
		1778	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1779	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1780	bgcolor = colors[i].hex;
		1781	found = 1;
		1782	break;
		1783	}
		1784	}
		1785	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1786	}
		1787	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1788	break;
		1789	case COPY:
		1790	/*
		1791	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1792	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1793	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
		1794	@ [filename] is the URL of the image
		1795	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1796	@ 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
		1797	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1798
		1799	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1800	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1801	*/
		1802	for(i = 0 ; i<7;i++){
		1803	switch(i){
		1804	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1805	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1806	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1807	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1808	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1809	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1810	case 6: URL = get_string(infile,1);
		1811	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1812	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1813	if( drag_type > -1 ){
		1814	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1815	if(reply_format < 1 ){reply_format = 20;}
		1816	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);
		1817	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1818	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);
		1819	drag_type = -1;
		1820	ext_img_cnt++;
		1821	}
		1822	else
		1823	{
		1824	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1825	/*
		1826	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1827	*/
		1828	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]);
		1829	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1830	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]);
		1831	}
		1832	add_to_buffer(tmp_buffer);
		1833	break;
		1834	default: break;
		1835	}
		1836	}
		1837	reset();
		1838	break;
		1839	/*
		1840	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1841	img Specifies the image, canvas, or video element to use
		1842	sx The x coordinate where to start clipping : x1 = int_data[0]
		1843	sy The y coordinate where to start clipping : x2 = int_data[1]
		1844	swidth The width of the clipped image : int_data[2] - int_data[0]
		1845	sheight The height of the clipped image : int_data[3] - int_data[1]
		1846	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1847	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1848	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1849	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1850	*/
		1851	case COPYRESIZED:
		1852	/*
		1853	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
		1854	@ 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
		1855	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1856	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1857	@ 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
		1858	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1859	*/
		1860	for(i = 0 ; i<9;i++){
		1861	switch(i){
		1862	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1863	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1864	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1865	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1866	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1867	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1868	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1869	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1870	case 8: URL = get_string(infile,1);
		1871	if( drag_type > -1 ){
		1872	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1873	if(reply_format < 1 ){reply_format = 20;}
		1874	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);
		1875	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1876	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);
		1877	drag_type = -1;
		1878	ext_img_cnt++;
		1879	}
		1880	else
		1881	{
		1882	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1883	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]);
		1884	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1885	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]);
		1886	}
		1887	add_to_buffer(tmp_buffer);
		1888	default: break;
		1889	}
		1890	}
		1891	reset();
		1892	break;
		1893	case BUTTON:
		1894	/*
		1895	button x,y,value
		1896	*/
		1897	break;
		1898	case INPUTSTYLE:
		1899	/*
		1900	@ inputstyle style_description
		1901	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1902	*/
		1903	input_style = get_string(infile,1);
		1904	break;
		1905	case INPUT:
		1906	/*
		1907	@ input x,y,size,editable,value
		1908	@ to set inputfield "readonly", use editable = 0
		1909	@ only active inputfields (editable = 1) will be read with read_canvas();
		1910	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1911	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1912	*/
		1913	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		1914	for(i = 0 ; i<5;i++){
		1915	switch(i){
		1916	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1917	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1918	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1919	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1920	case 4:
		1921	temp = get_string_argument(infile,1);
		1922	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);
		1923	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1924	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);
		1925	add_to_buffer(tmp_buffer);
		1926	input_cnt++;break;
		1927	default: break;
		1928	}
		1929	}
		1930	if(reply_format < 1 ){reply_format = 15;}
		1931	reset();
		1932	break;
		1933	case TEXTAREA:
		1934	/*
		1935	@ textarea x,y,cols,rows,readonly,value
		1936	@ may be further controlled by "inputstyle"
		1937	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1938	*/
		1939	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		1940	for(i = 0 ; i<6;i++){
		1941	switch(i){
		1942	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1943	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1944	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1945	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1946	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1947	case 5: temp = get_string_argument(infile,1);
		1948	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);
		1949	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1950	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);
		1951	add_to_buffer(tmp_buffer);
		1952	input_cnt++;break;
		1953	default: break;
		1954	}
		1955	}
		1956	if(reply_format < 1 ){reply_format = 15;}
		1957	reset();
		1958	break;
		1959	case MOUSE_PRECISION:
		1960	/*
		1961	@ precision int
		1962	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1963	@ may be used / changed before every object
		1964	*/
		1965	precision = (int) (get_real(infile,1));
		1966	break;
		1967	case ZOOM:
		1968	/*
		1969	@ zoom button_color
		1970	@ introduce a controlpanel at the lower right corner
		1971	@ 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
		1972	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		1973	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
		1974	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		1975	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		1976	@ 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 !!
		1977	*/
7653	schaersvoo	1978	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7614	schaersvoo	1979	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		1980	/* we use BG_CANVAS (0) */
		1981	stroke_color = get_color(infile,1);
7653	schaersvoo	1982	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1983	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	1984	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1985	add_to_buffer(tmp_buffer);
		1986	done = TRUE;
		1987	break;
		1988	case ONCLICK:
		1989	/*
		1990	@ onclick
		1991	@ keyword, no arguments
		1992	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
		1993	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
		1994	@ NOTE: not all objects may be set clickable
		1995	*/
		1996
		1997	onclick = 1;
		1998	break;
		1999	case DRAG:
		2000	/*
		2001	@ drag [x][y][xy]
		2002	@ the next object will be draggable in x / y / xy direction
		2003	@ the displacement can be read by 'javascript:read_dragdrop();'
		2004	@ 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.
		2005	@ 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 !!
		2006	*/
		2007	temp = get_string(infile,1);
		2008	if(strstr(temp,"xy") != NULL ){
		2009	drag_type = 0;
		2010	}
		2011	else
		2012	{
		2013	if(strstr(temp,"x") != NULL ){
		2014	drag_type = 1;
		2015	}
		2016	else
		2017	{
		2018	drag_type = 2;
		2019	}
		2020	}
		2021	onclick = 2;
		2022	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2023	break;
		2024	case BLINK:
		2025	/*
		2026	@ blink time(seconds)
		2027	@ NOT IMPLEMETED -YET
		2028	*/
		2029	break;
		2030	case MOUSE:
		2031	/*
		2032	@ mouse color,fontsize
		2033	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2034	*/
		2035	use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
		2036	stroke_color = get_color(infile,0);
		2037	font_size = (int) (get_real(infile,1));
		2038	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2039	break;
		2040	case INTOOLTIP:
		2041	/*
		2042	@ intooltip link_text
		2043	@ link_text is a single line (span-element)
		2044	@ link_text may also be an image URL http://some_server/images/my_image.png
		2045	@ link_text may contain HTML markup
		2046	@ the canvas will be displayed in a tooltip on 'link_text'
		2047	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2048	*/
7652	schaersvoo	2049	if(use_input_xy == TRUE){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2050	use_tooltip = TRUE;
		2051	tooltip_text = get_string(infile,1);
		2052	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2053	break;
		2054	case AUDIO:
		2055	/*
		2056	@ audio x,y,w,h,loop,visible,audiofile location
		2057	@ x,y : left top corner of audio element (in xrange / yrange)
		2058	@ w,y : width and height in pixels
		2059	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2060	@ visible : 0 or 1 (1 = show controls)
		2061	@ audio format may be in .mp3 or .ogg
		2062	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2063	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2064	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2065	@ 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 />
		2066	*/
		2067	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2068	for(i=0;i<7;i++){
		2069	switch(i){
		2070	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2071	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2072	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2073	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2074	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2075	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
		2076	case 6:
		2077	temp = get_string(infile,1);
		2078	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2079	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2080	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);
		2081	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2082	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);
		2083	add_to_buffer(tmp_buffer);
		2084	break;
		2085	default:break;
		2086	}
		2087	}
		2088	reset();
		2089	break;
		2090	case VIDEO:
		2091	/*
		2092	@ video x,y,w,h,videofile location
		2093	@ x,y : left top corner of audio element (in xrange / yrange)
		2094	@ w,y : width and height in pixels
		2095	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2096	@ video format may be in *.mp4 (todo:other formats)
		2097	*/
		2098	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2099	for(i=0;i<5;i++){
		2100	switch(i){
		2101	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2102	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2103	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2104	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2105	case 4: temp = get_string(infile,1);
		2106	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);
		2107	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2108	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);
		2109	add_to_buffer(tmp_buffer);
		2110	break;
		2111	default:break;
		2112	}
		2113	}
		2114	reset();
		2115	break;
		2116	case HATCHFILL:
		2117	/*
		2118	@ hatchfill x0,y0,dx,dy,color
		2119	@ x0,y0 in xrange / yrange
		2120	@ distances dx,dy in pixels
		2121	*/
		2122	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2123	for(i=0;i<5;i++){
		2124	switch(i){
		2125	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2126	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2127	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2128	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2129	case 4: stroke_color = get_color(infile,1);
		2130	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2131	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);
		2132	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2133	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);
		2134	add_to_buffer(tmp_buffer);
		2135	break;
		2136	default:break;
		2137	}
		2138	}
		2139	reset();
		2140	break;
7647	schaersvoo	2141	case DIAMONDFILL:
		2142	/*
		2143	@ diamondfill x0,y0,dx,dy,color
		2144	@ x0,y0 in xrange / yrange
		2145	@ distances dx,dy in pixels
		2146	*/
		2147	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2148	for(i=0;i<5;i++){
		2149	switch(i){
		2150	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2151	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2152	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2153	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2154	case 4: stroke_color = get_color(infile,1);
		2155	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2156	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);
		2157	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2158	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);
		2159	add_to_buffer(tmp_buffer);
		2160	break;
		2161	default:break;
		2162	}
		2163	}
		2164	reset();
		2165	break;
7614	schaersvoo	2166	case GRIDFILL:
		2167	/*
		2168	@ gridfill x0,y0,dx,dy,color
		2169	@ x0,y0 in xrange / yrange
		2170	@ distances dx,dy in pixels
		2171	*/
		2172	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2173	for(i=0;i<5;i++){
		2174	switch(i){
		2175	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2176	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2177	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2178	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2179	case 4: stroke_color = get_color(infile,1);
		2180	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2181	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);
		2182	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2183	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);
		2184	add_to_buffer(tmp_buffer);
		2185	break;
		2186	default:break;
		2187	}
		2188	}
		2189	reset();
		2190	break;
		2191	case DOTFILL:
		2192	/*
		2193	@ dotfill x0,y0,dx,dy,color
		2194	@ x0,y0 in xrange / yrange
		2195	@ distances dx,dy in pixels
		2196	@ radius of dots is linewidth
		2197	*/
		2198	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2199	for(i=0;i<5;i++){
		2200	switch(i){
		2201	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2202	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2203	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2204	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2205	case 4: stroke_color = get_color(infile,1);
		2206	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2207	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);
		2208	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2209	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);
		2210	add_to_buffer(tmp_buffer);
		2211	break;
		2212	default:break;
		2213	}
		2214	}
		2215	reset();
		2216	break;
		2217	case IMAGEFILL:
		2218	/*
		2219	@ imagefill dx,dy,image_url
		2220	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2221	@ After pattern filling ,the fill-color should be reset !
		2222	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2223	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2224	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2225	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2226	*/
		2227	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2228	for(i=0 ;i < 3 ; i++){
		2229	switch(i){
		2230	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2231	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2232	case 2: URL = get_string_argument(infile,1);
		2233	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);
		2234	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2235	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);
		2236	add_to_buffer(tmp_buffer);
		2237	break;
		2238	}
		2239	}
		2240	break;
		2241	case FILLTOBORDER:
		2242	/*
		2243	@ filltoborder x,y,bordercolor,color
		2244	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
		2245	@ any other color will not act as border to the bucket fill
		2246	@ use this command after all boundary objects are declared.
		2247	@ 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..
		2248	*/
		2249	for(i=0 ;i < 4 ; i++){
		2250	switch(i){
		2251	case 0:double_data[0] = get_real(infile,0);break;
		2252	case 1:double_data[1] = get_real(infile,0);break;
		2253	case 2:bgcolor = get_color(infile,0);break;
		2254	case 3:fill_color = get_color(infile,1);
		2255	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2256	js_function[DRAW_FILLTOBORDER] = 1;
		2257	add_js_filltoborder(js_include_file,canvas_root_id);
		2258	}
		2259	decimals = find_number_of_digits(precision);
		2260	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));
		2261	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2262	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));
		2263	add_to_buffer(tmp_buffer);
		2264	break;
		2265	default:break;
		2266	}
		2267	}
		2268	break;
		2269	case FLOODFILL:
		2270	/*
		2271	@ floodfill x,y,color
		2272	@ alternative syntax: fill x,y,color
		2273	@ fill the region of point (x:y) with color 'color'
		2274	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2275	@ use this command after all boundary objects are declared.
		2276	@ Use command 'clickfill,color' for user click driven flood fill.
		2277	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2278	@ 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..
		2279	*/
		2280	for(i=0 ;i < 4 ; i++){
		2281	switch(i){
		2282	case 0:double_data[0] = get_real(infile,0);break;
		2283	case 1:double_data[1] = get_real(infile,0);break;
		2284	case 2:fill_color = get_color(infile,1);
		2285	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2286	js_function[DRAW_FLOODFILL] = 1;
		2287	add_js_floodfill(js_include_file,canvas_root_id);
		2288	}
		2289	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2290	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));
		2291	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2292	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));
		2293	add_to_buffer(tmp_buffer);
		2294	break;
		2295	default:break;
		2296	}
		2297	}
		2298	break;
		2299	case CLICKFILLMARGE:
		2300	clickfillmarge = (int) (get_real(infile,1));
		2301	break;
		2302	/*
		2303	@ clickfillmarge int
		2304	@ default 20 (pixels)
		2305	@ 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[])
		2306	*/
		2307	case CLICKFILL:
		2308	/*
		2309	@ clickfill fillcolor
		2310	@ user left mouse click will floodfill the area with fillcolor
		2311	@ multiple areas may be coloured
		2312	@ 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)
		2313	@ the answer will be read as the (x:y) click coordinates per coloured area
		2314	@ background color of main div may be set by using command "bgcolor color"
		2315	@ may not be combined with command "userdraw"
		2316	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2317	*/
		2318	fill_color = get_color(infile,1);
		2319	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2320	js_function[DRAW_FLOODFILL] = 1;
		2321	add_js_floodfill(js_include_file,canvas_root_id);
		2322	}
7653	schaersvoo	2323	fprintf(js_include_file,"\n<!-- begin command clickfill -->\nvar marge_xy = %d;var userdraw_x = new Array();var userdraw_y = new Array();var user_clickfill_cnt = 0;\ncanvas_div.addEventListener(\"mousedown\",clickfill,false);function clickfill(evt){var x = evt.clientX - findPosX(canvas_div) + document.body.scrollLeft + document.documentElement.scrollLeft;var y = evt.clientY - findPosY(canvas_div) + document.body.scrollTop + document.documentElement.scrollTop;if(evt.which != 1){for(var p=0; p < user_clickfill_cnt;p++){if(userdraw_x[p] + marge_xy > x && userdraw_x[p] - marge_xy < x){if(userdraw_y[p] + marge_xy > y && userdraw_y[p] - marge_xy < y){if(confirm(\"Clear ?\")){floodfill(1,userdraw_x[p],userdraw_y[p],canvas_div.style.backgroundColor);userdraw_x.splice(p,2);userdraw_y.splice(p,2);user_clickfill_cnt--;return;};};};};};userdraw_x[user_clickfill_cnt] = x;userdraw_y[user_clickfill_cnt] = y;user_clickfill_cnt++;floodfill(1,x,y,[%s,%d]);};",clickfillmarge,fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2324	add_read_canvas(1);
		2325	break;
		2326	case SETPIXEL:
		2327	/*
		2328	@ setpixel x,y,color
		2329	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2330	@ pixels can not be dragged or clicked
		2331	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2332	*/
		2333	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2334	for(i=0;i<3;i++){
		2335	switch(i){
		2336	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2337	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2338	case 2: stroke_color = get_color(infile,1);
		2339	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2340	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2341	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2342	add_to_buffer(tmp_buffer);
		2343	break;
		2344	default:break;
		2345	}
		2346	}
		2347	reset();
		2348	break;
		2349	case PIXELSIZE:
		2350	/*
		2351	@ pixelsize int
		2352	@ in case you want to deviate from default pixelsize = 1...
		2353	*/
		2354	pixelsize = (int) get_real(infile,1);
		2355	break;
		2356	case PIXELS:
		2357	/*
		2358	@ pixels color,x1,y1,x2,y2,x3,y3...
		2359	@ Draw "points" with diameter 1 pixel
		2360	@ pixels can not be dragged or clicked
		2361	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2362	*/
		2363	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2364	stroke_color=get_color(infile,0);
		2365	i=0;
		2366	c=0;
		2367	while( ! done ){ /* get next item until EOL*/
		2368	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2369	for( c = 0 ; c < 2; c++){
		2370	if(c == 0 ){
		2371	double_data[i] = get_real(infile,0);
		2372	i++;
		2373	}
		2374	else
		2375	{
		2376	double_data[i] = get_real(infile,1);
		2377	i++;
		2378	}
		2379	}
		2380	}
		2381	decimals = find_number_of_digits(precision);
		2382	/* double_xy2js_array(double xy[],int len,int decimals) /
		2383	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2384	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2385	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2386	add_to_buffer(tmp_buffer);
		2387	break;
		2388	case REPLYFORMAT:
		2389	/*
		2390	@ replyformat number
		2391	@ default values should be fine !
7782	schaersvoo	2392	@ choose<ul><li>1 = x1,x2,x3,x4....x_n<br />y1,y2,y3,y4....y_n<br /><br />x/y in pixels</li><li>2 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>3 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in pixels <br /> r in pixels</li><li>4 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in xrange / yrange coordinate system<br /> r in pixels</li><li>5 = Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n<br /> x/y in pixels<br /></li><li>6 = Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in pixels</li><li>8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in xrange / yrange coordinate system</li><li>9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in pixels</li><li>10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in xrange / yrange coordinate system</li><li>11 = Ax1,Ay1,Ax2,Ay2<br /> Bx1,By1,Bx2,By2<br /> Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2<br /> x/y in xrange / yrange coordinate system</li><li>12 = Ax1,Ay1,Ax2,Ay2<br /> Bx1,By1,Bx2,By2<br />Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2<br /> x/y in pixels</li><li>13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2<br /> x/y in xrange / yrange coordinate system</li><li>14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2<br /> x/y in pixels</li><li>15 = reply from inputfields,textareas<br /> reply1,reply2,reply3,...,reply_n</li><li>16 = mathml input fields </li><li>17 = read "userdraw text,color" only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n</li><li>18 = read_canvas() will read all interactive clocks in H1:M1:S1,H2:M2:S2...Hn:Mn:Sn</li><li>19 = read_canvas() will return the object number of marked / clicked object (clock)<br />analogue to (shape library) onclick command </li><li>21 = (x1:y1) (x2:y2) ... (x_n:y_n)<br />verbatim coordinate return</li>22 = returns an array .... reply[0]=x1 reply[1]=y1 reply[2]=x2 reply[3]=y2 ... reply[n-1]=x_n reply[n]=y_n<br /> x/y in xrange / yrange coordinate system</li><li>replyformat 23 : can only be used for drawtype 'polyline'<br />a typical click sequence in drawtype polyline isx1,y1,x2,y2,x2,y2,x3,y3,x3,y3.....,x(n-1),y(n-1),x(n-1),y(n-1),xn,yn --replyformat 23--> x1,y1,x2,y2,x3,y3,.....x(n-1),y(n-1),xn,yn multiple occurences will be filtered out.The reply will be in x-y-range (xreply \\n yreply)</li></ul>
7614	schaersvoo	2393	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2394	*/
		2395	reply_format = (int) get_real(infile,1);
		2396	break;
		2397	case LEGENDCOLORS:
		2398	/*
		2399	@ legendcolors color1:color2:color3:...:color_n
		2400	@ will be used to colour a legend
		2401	@ make sure the number of colours match the number of legend items
		2402	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
		2403	*/
		2404	temp = get_string(infile,1);
		2405	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2406	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2407	break;
		2408	case LEGEND:
		2409	/*
		2410	@ legend string1:string2:string3....string_n
		2411	@ will be used to create a legend for a graph
		2412	@ also see command 'piechart'
		2413	*/
		2414	temp = get_string(infile,1);
		2415	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2416	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2417	break;
		2418	case XLABEL:
		2419	/*
		2420	@ xlabel some_string
		2421	@ will be used to create a label for the x-axis (label is in quadrant I)
		2422	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2423	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2424	*/
		2425	temp = get_string(infile,1);
7653	schaersvoo	2426	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2427	break;
		2428	case YLABEL:
		2429	/*
		2430	@ ylabel some_string
		2431	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
		2432	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2433	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2434	*/
		2435	temp = get_string(infile,1);
7653	schaersvoo	2436	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2437	break;
		2438	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2439	/*
		2440	@ linegraph x1:y1;x2:y2...x_n:y;2
		2441	@ will plot your data in a graph
		2442	@ may only to be used together with command 'grid'
		2443	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2444	@ use command 'legend' to provide an optional legend in right-top-corner
		2445	@ also see command 'piechart'
		2446	@ multiple linegraphs may be used in a single plot
		2447	@ <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>
		2448	*/
		2449	temp = get_string(infile,1);
		2450	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2451	fprintf(js_include_file,"var linegraph_%d = [\"%s\",\"%d\",\"%d\",\"%d\",\"%d\",\"%s\"];",linegraph_cnt,stroke_color,line_width,use_dashed,dashtype[0],dashtype[1],temp);
7614	schaersvoo	2452	linegraph_cnt++;
		2453	reset();
		2454	break;
		2455	case CLOCK:
		2456	/*
		2457	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2458	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2459	@ 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
		2460	@ 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>
		2461	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2462	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2463	@ if interactive, 6 buttons per clock will be displayed for adjusting a clock (H+ M+ S+ H- M- S-)<br /> set_clock(clock_id,type,incr) <br />first clock has clock_id=0 ; type : H=1,M=2,S=3 ; incr : increment integer
7614	schaersvoo	2464	*/
		2465	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2466
		2467	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2468	for(i=0;i<9;i++){
		2469	switch(i){
		2470	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2471	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2472	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2473	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2474	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2475	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2476	case 6: int_data[6] = get_real(infile,0);if(int_data[6] < 0 \|\| int_data[6] > 2){canvas_error("hourglass can be 0,1 or 2");}break;/* type hourglass */
7614	schaersvoo	2477	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2478	switch(int_data[7]){
		2479	case 0:break;
		2480	case 1:if(clock_cnt == 0){
		2481	if( reply_format == 0 ){
7614	schaersvoo	2482	reply_format = 18; /* user sets clock */
7783	schaersvoo	2483	/* string_length = snprintf(NULL,0,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
7614	schaersvoo	2484	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2485	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");
		2486	add_to_buffer(tmp_buffer);
7783	schaersvoo	2487	*/
		2488	fprintf(js_include_file,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
		2489	}
		2490	else
		2491	{
		2492	canvas_error("interactive clock may not be used together with other reply_types...");
		2493	}
		2494	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);
		2495	}
		2496	break;
		2497	case 2:if( reply_format == 0 ){
		2498	reply_format = 19; /* "onclick */
		2499	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 ");
		2500	}
		2501	else
		2502	{
		2503	if( reply_format != 19){
7614	schaersvoo	2504	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2505	}
7783	schaersvoo	2506	}
		2507	break;
		2508	default: canvas_error("interactive must be set 0,1 or 2");break;
		2509	}
		2510	break;
7614	schaersvoo	2511	case 8:
		2512	temp = get_string(infile,1);
		2513	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2514	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2515	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);
		2516	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2517	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);
		2518	add_to_buffer(tmp_buffer);
		2519	clock_cnt++;
		2520	break;
		2521	default:break;
		2522	}
		2523	}
		2524	break;
		2525	case BARCHART:
		2526	/*
		2527	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2528	@ will be used to create a legend for bar graph
		2529	@ may only to be used together with command 'grid'
		2530	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2531	@ use command 'legend' to provide an optional legend in right-top-corner
		2532	@ also see command 'piechart'
		2533	*/
		2534	temp = get_string(infile,1);
		2535	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2536	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2537	reset();
		2538	break;
		2539	case PIECHART:
		2540	/*
		2541	@ piechart xc,yc,radius,'data+colorlist'
		2542	@ (xc : yc) center of circle diagram in xrange/yrange
		2543	@ radius in pixels
		2544	@ 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
		2545	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2546	@ the number of colors must match the number of data.
		2547	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2548	@ 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...
		2549	*/
		2550	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
		2551	for(i=0;i<5;i++){
		2552	switch(i){
		2553	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2554	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2555	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2556	case 3: temp = get_string(infile,1);
		2557	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2558	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);
		2559	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2560	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);
		2561	add_to_buffer(tmp_buffer);
		2562	break;
		2563	default:break;
		2564	}
		2565	}
		2566	reset();
		2567	break;
		2568	case STATUS:
		2569	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2570	break;
7735	schaersvoo	2571	case XLOGBASE:
7729	schaersvoo	2572	/*
7735	schaersvoo	2573	@ xlogbase number
		2574	@ sets the logbase number for the x-axis
7729	schaersvoo	2575	@ default value 10
7735	schaersvoo	2576	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2577	*/
7735	schaersvoo	2578	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2579	break;
7735	schaersvoo	2580	case YLOGBASE:
		2581	/*
		2582	@ ylogbase number
		2583	@ sets the logbase number for the y-axis
		2584	@ default value 10
		2585	@ use together with commands ylogscale / xylogscale
		2586	*/
		2587	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2588	break;
7614	schaersvoo	2589	case XLOGSCALE:
		2590	/*
7735	schaersvoo	2591	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2592	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2593	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2594	@ the linewidth is set using command 'linewidth int'
		2595	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2596	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7779	schaersvoo	2597	@ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use command 'precision' before 'xlogscale' command to set the precision (decimals) of the axis numbering</li><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7735	schaersvoo	2598	@ note: the complete canvas will be used for the 'log paper'
		2599	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2600	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2601	@ note: when using something like 'xrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')
		2602	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2603	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2604	*/
7735	schaersvoo	2605	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2606	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2607	for(i=0;i<4;i++){
		2608	switch(i){
		2609	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2610	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2611	case 2: stroke_color = get_color(infile,0); break;
		2612	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2613	string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	2614	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2615	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	2616	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2617	add_to_buffer(tmp_buffer);
		2618	break;
		2619	default:break;
		2620	}
		2621	}
7614	schaersvoo	2622	break;
		2623	case YLOGSCALE:
7729	schaersvoo	2624	/*
		2625	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2626	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2627	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2628	@ the linewidth is set using command 'linewidth int'
		2629	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2630	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7779	schaersvoo	2631	@ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use command 'precision' before 'ylogscale' command to set the precision (decimals) of the axis numbering</li><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7729	schaersvoo	2632	@ note: the complete canvas will be used for the 'log paper'
		2633	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2634	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2635	@ note: when using something like 'yrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')
7735	schaersvoo	2636	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2637	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2638	*/
		2639	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2640	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2641	for(i=0;i<4;i++){
		2642	switch(i){
		2643	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2644	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2645	case 2: stroke_color = get_color(infile,0); break;
		2646	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2647	string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7729	schaersvoo	2648	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2649	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	2650	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2651	add_to_buffer(tmp_buffer);
		2652	break;
		2653	default:break;
		2654	}
		2655	}
7614	schaersvoo	2656	break;
		2657	case XYLOGSCALE:
7735	schaersvoo	2658	/*
		2659	@ xylogscale majorcolor,minorcolor
		2660	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2661	@ the linewidth is set using command 'linewidth int'
		2662	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2663	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7739	schaersvoo	2664	@ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7735	schaersvoo	2665	@ note: the complete canvas will be used for the 'log paper'
		2666	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2667	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2668	@ note: when using something like 'yrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')
		2669	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2670	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2671	*/
		2672	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2673	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2674	for(i=0;i<2;i++){
		2675	switch(i){
		2676	case 0: stroke_color = get_color(infile,0); break;
		2677	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2678	string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
7735	schaersvoo	2679	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2680	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
7735	schaersvoo	2681	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2682	add_to_buffer(tmp_buffer);
		2683	break;
		2684	default:break;
		2685	}
		2686	}
		2687	break;
7614	schaersvoo	2688	default:sync_input(infile);
		2689	break;
		2690	}
		2691	}
		2692	/* we are done parsing script file */
		2693
		2694	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2695	add_javascript_functions(js_function,canvas_root_id);
		2696	/* add read_canvas() etc functions if needed */
		2697	if( reply_format > 0 ){ add_read_canvas(reply_format);}
		2698	/* using mouse coordinate display ? */
		2699	if( use_mouse_coordinates == TRUE ){
		2700	tmp_buffer = my_newmem(26);
		2701	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2702	}
		2703	/* add global variables / contants */
7729	schaersvoo	2704	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
		2705	var precision = %d;var xmin=%f;var xmax=%f;var ymin=%f;\
		2706	var ymax=%f;var xmin_start=xmin;var xmax_start=xmax;\
		2707	var ymin_start=ymin;var ymax_start=xmax;\
		2708	var zoom_x_increment=0;var zoom_y_increment=0;\
		2709	var pan_x_increment=0;var pan_y_increment=0;\
		2710	if(use_ylogscale == 0 ){\
		2711	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2712	}else{\
		2713	zoom_x_increment = (xmax - xmin)/20;\
		2714	pan_x_increment = (xmax - xmin)/20;\
		2715	};\
7653	schaersvoo	2716	function start_canvas%d(type){\
		2717	switch(type){\
7729	schaersvoo	2718	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2719	case 1:xmin = xmin - zoom_x_increment;ymin = ymin - zoom_y_increment;xmax = xmax + zoom_x_increment;ymax = ymax + zoom_y_increment;break;\
7653	schaersvoo	2720	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2721	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2722	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2723	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2724	case 6:location.reload();break;\
		2725	default:break;\
		2726	};\
		2727	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2728	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2729	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2730	%s\
		2731	};\
		2732	start_canvas%d(22);\
7614	schaersvoo	2733	};\n\
		2734	<!-- end wims_canvas_function -->\n\
7729	schaersvoo	2735	wims_canvas_function%d();\n",precision,xmin,xmax,ymin,ymax,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7614	schaersvoo	2736	/* done writing the javascript include file */
		2737	fclose(js_include_file);
		2738
		2739	}
		2740
		2741	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2742	if(use_tooltip == TRUE){
		2743	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2744	}
		2745	exit(EXIT_SUCCESS);
		2746	}
		2747	/* end main() */
		2748
		2749	/******************************************************************************
		2750	**
		2751	** sync_input
		2752	**
		2753	** synchronises input line - reads to end of line, leaving file pointer
		2754	** at first character of next line.
		2755	**
		2756	** Used by:
		2757	** main program - error handling.
		2758	**
		2759	******************************************************************************/
		2760	void sync_input(FILE *infile)
		2761	{
		2762	int c = 0;
		2763
7658	schaersvoo	2764	if( c == '\n' \|\| c == ';' ) return;
		2765	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2766	if( c == EOF ) finished = 1;
7658	schaersvoo	2767	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2768	return;
		2769	}
		2770
		2771	/******************************************************************************/
		2772
		2773	char str_replace(const char str, const char old, const char new){
		2774	/* http://creativeandcritical.net/str-replace-c/ */
		2775	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2776	char ret, r;
		2777	const char p, q;
		2778	size_t oldlen = strlen(old);
		2779	size_t count = 0;
		2780	size_t retlen = 0;
		2781	size_t newlen = strlen(new);
		2782	if (oldlen != newlen){
		2783	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2784	count++;
		2785	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2786	}
		2787	}
		2788	else
		2789	{
		2790	retlen = strlen(str);
		2791	}
		2792
		2793	if ((ret = malloc(retlen + 1)) == NULL){
		2794	ret = NULL;
		2795	canvas_error("string argument is NULL");
		2796	}
		2797	else
		2798	{
		2799	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2800	size_t l = q - p;
		2801	memcpy(r, p, l);
		2802	r += l;
		2803	memcpy(r, new, newlen);
		2804	r += newlen;
		2805	}
		2806	strcpy(r, p);
		2807	}
		2808	return ret;
		2809	}
		2810
		2811	/******************************************************************************/
		2812	/*
		2813	avoid the use of ctypes.h for tolower() toupper();
		2814	it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
		2815	Upper case -> Lower case : c = c - 'A'+ 'a';
		2816	Lower case -> Upper case c = c + 'A' - 'a';
		2817	*/
		2818	int tolower(int c){
		2819	if(c <= 'Z'){
		2820	if (c >= 'A'){
		2821	return c - 'A' + 'a';
		2822	}
		2823	}
		2824	return c;
		2825	}
		2826
		2827	int toupper(int c){
		2828	if(c >= 'a' && c <= 'z'){
		2829	return c + 'A' - 'a';
		2830	}
		2831	return c;
		2832	}
		2833
		2834	char get_color(FILE infile , int last){
		2835	int c,i = 0,is_hex = 0;
		2836	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2837	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2838	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2839	if( c == '#' ){
		2840	is_hex = 1;
		2841	}
		2842	if( c != ' '){
		2843	temp[i]=tolower(c);
		2844	i++;
		2845	}
		2846	}
7658	schaersvoo	2847	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2848	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2849	if( c == EOF ){finished = 1;}
		2850	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2851	temp[i]='\0';
		2852	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2853	if( is_hex == 1 ){
		2854	char red[3], green[3], blue[3];
		2855	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2856	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2857	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2858	int r = (int) strtol(red, NULL, 16);
		2859	int g = (int) strtol(green, NULL, 16);
		2860	int b = (int) strtol(blue, NULL, 16);
		2861	string = (char *)my_newmem(12);
		2862	snprintf(string,11,"%d,%d,%d",r,g,b);
		2863	return string;
		2864	}
		2865	else
		2866	{
		2867	string = (char *)my_newmem(sizeof(temp));
		2868	snprintf(string,sizeof(temp),"%s",temp);
		2869	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2870	if( strcmp( colors[i].name , string ) == 0 ){
		2871	return colors[i].rgb;
		2872	}
		2873	}
		2874	}
		2875	/* not found...return error */
		2876	free(string);string = NULL;
		2877	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2878	return NULL;
		2879	}
		2880
		2881	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2882	int c,i=0;
		2883	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2884	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2885	temp[i]=c;
		2886	i++;
		2887	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2888	}
7748	schaersvoo	2889	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		2890	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2891	if( c == EOF ) {
		2892	finished = 1;
		2893	if( last != 1 ){ canvas_error("expected more arguments");}
		2894	}
		2895	temp[i]='\0';
		2896	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2897	string=(char *)my_newmem(strlen(temp));
		2898	snprintf(string,sizeof(temp),"%s",temp);
		2899	return string;
		2900	}
		2901
		2902	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2903	int c,i=0;
		2904	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2905	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2906	temp[i]=c;
		2907	i++;
		2908	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2909	}
7748	schaersvoo	2910	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
		2911	if( c == '\n') { line_number++; }
7614	schaersvoo	2912	if( c == EOF ) {finished = 1;}
		2913	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2914	temp[i]='\0';
		2915	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2916	string=(char *)my_newmem(sizeof(temp));
		2917	snprintf(string,sizeof(temp),"%s",temp);
		2918	done = TRUE;
		2919	return string;
		2920	}
		2921
		2922	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2923	int c,i=0,found_calc = 0;
		2924	double y;
		2925	char tmp[MAX_INT];
7658	schaersvoo	2926	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2927	if( c != ' ' ){
		2928	/*
		2929	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
		2930	We will check after assert() if it's a NULL pointer...and exit program via :
		2931	canvas_error("I'm having trouble parsing your \"expression\" ");
		2932	*/
		2933	if( i == 0 && c == '+' ){
		2934	continue;
		2935	}
		2936	else
		2937	{
		2938	if(canvas_iscalculation(c) != 0){
		2939	found_calc = 1;
		2940	c = tolower(c);
		2941	}
		2942	tmp[i] = c;
		2943	i++;
		2944	}
		2945	}
		2946	if( i > MAX_INT - 1){canvas_error("number too large");}
		2947	}
7658	schaersvoo	2948	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
		2949	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2950	if( c == EOF ){done = TRUE ; finished = 1;}
		2951	tmp[i]='\0';
		2952	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2953	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
		2954	void *f = evaluator_create(tmp);
		2955	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
		2956	y = evaluator_evaluate_x(f, 1);
		2957	/* if function is bogus; y = 1 : so no core dumps */
		2958	evaluator_destroy(f);
		2959	}
		2960	else
		2961	{
		2962	y = atof(tmp);
		2963	}
		2964	return y;
		2965	}
		2966	void canvas_error(char *msg){
7748	schaersvoo	2967	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	2968	finished = 1;
		2969	exit(EXIT_SUCCESS);
		2970	}
		2971
		2972
		2973	/* convert x/y coordinates to pixel */
		2974	int x2px(double x){
		2975	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		2976	}
		2977
		2978	int y2px(double y){
		2979	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		2980	}
		2981
		2982	double px2x(int x){
		2983	return (x*(xmax - xmin)/xsize + xmin);
		2984	}
		2985	double px2y(int y){
		2986	return (y*(ymax - ymin)/ysize + ymin);
		2987	}
		2988
		2989	void add_to_buffer(char *tmp){
		2990	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		2991	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		2992	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		2993	if( space_left > strlen(tmp)){
		2994	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		2995	}
		2996	else
		2997	{
		2998	canvas_error("buffer is too big\n");
		2999	}
		3000	tmp = NULL;free(tmp);
		3001	return;
		3002	}
		3003
		3004	void reset(){
		3005	if(use_filled == TRUE){use_filled = FALSE;}
		3006	if(use_dashed == TRUE){use_dashed = FALSE;}
		3007	if(use_translate == TRUE){use_translate = FALSE;}
		3008	if(use_rotate == TRUE){use_rotate = FALSE;}
		3009	onclick = 0;
		3010	}
		3011
		3012
		3013
		3014	/* What reply format in read_canvas();
		3015
		3016	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3017	1 = x1,x2,x3,x4....x_n
		3018	y1,y2,y3,y4....y_n
		3019
		3020	x/y in pixels
		3021
		3022	2 = x1,x2,x3,x4....x_n
		3023	y1,y2,y3,y4....y_n
		3024	x/y in xrange / yrange coordinate system
		3025
		3026	3 = x1,x2,x3,x4....x_n
		3027	y1,y2,y3,y4....y_n
		3028	r1,r2,r3,r4....r_n
		3029
		3030	x/y in pixels
		3031	r in pixels
		3032
		3033	4 = x1,x2,x3,x4....x_n
		3034	y1,y2,y3,y4....y_n
		3035	r1,r2,r3,r4....r_n
		3036
		3037	x/y in xrange / yrange coordinate system
		3038	r in pixels
		3039
		3040	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3041	Ay1,Ay2,Ay3,Ay4....Ay_n
		3042	Bx1,Bx2,Bx3,Bx4....Bx_n
		3043	By1,By2,By3,By4....By_n
		3044	Cx1,Cx2,Cx3,Cx4....Cx_n
		3045	Cy1,Cy2,Cy3,Cy4....Cy_n
		3046	....
		3047	Zx1,Zx2,Zx3,Zx4....Zx_n
		3048	Zy1,Zy2,Zy3,Zy4....Zy_n
		3049
		3050	x/y in pixels
		3051
		3052	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3053	Ay1,Ay2,Ay3,Ay4....Ay_n
		3054	Bx1,Bx2,Bx3,Bx4....Bx_n
		3055	By1,By2,By3,By4....By_n
		3056	Cx1,Cx2,Cx3,Cx4....Cx_n
		3057	Cy1,Cy2,Cy3,Cy4....Cy_n
		3058	....
		3059	Zx1,Zx2,Zx3,Zx4....Zx_n
		3060	Zy1,Zy2,Zy3,Zy4....Zy_n
		3061
		3062	x/y in xrange / yrange coordinate system
		3063
		3064	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3065
		3066	x/y in pixels
		3067
		3068	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3069
		3070	x/y in xrange / yrange coordinate system
		3071
		3072	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3073
		3074	x/y in pixels
		3075
		3076	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3077
		3078	x/y in xrange / yrange coordinate system
		3079
		3080	11 = Ax1,Ay1,Ax2,Ay2
		3081	Bx1,By1,Bx2,By2
		3082	Cx1,Cy1,Cx2,Cy2
		3083	Dx1,Dy1,Dx2,Dy2
		3084	......
		3085	Zx1,Zy1,Zx2,Zy2
		3086
		3087	x/y in xrange / yrange coordinate system
		3088
		3089	12 = Ax1,Ay1,Ax2,Ay2
		3090	Bx1,By1,Bx2,By2
		3091	Cx1,Cy1,Cx2,Cy2
		3092	Dx1,Dy1,Dx2,Dy2
		3093	......
		3094	Zx1,Zy1,Zx2,Zy2
		3095
		3096	x/y in pixels
		3097
		3098	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3099
		3100	x/y in xrange / yrange coordinate system
		3101	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3102	x/y in pixels
		3103	15 = reply from inputfields,textareas
		3104	reply1,reply2,reply3,...,reply_n
		3105
		3106	16 = read mathml inputfields only
		3107
		3108	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3109	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3110
		3111	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3112	19 = return clicked object number (analogue to shape-library onclick)
		3113	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3114	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3115	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3116	x/y in xrange / yrange coordinate system
7782	schaersvoo	3117	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3118	*/
		3119
		3120
		3121	void add_read_canvas(int type_reply){
		3122	/* just 1 reply type allowed */
		3123	switch(type_reply){
		3124	/* TO DO
		3125	!!!! NEED TO SIMPLIFY !!!!
		3126	answers may have:
		3127	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3128	*/
		3129	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3130	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3131	function read_canvas(){\
		3132	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3133	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3134	var p = 0;var input_reply = new Array();\
		3135	if( document.getElementById(\"canvas_input0\")){\
		3136	var t = 0;\
		3137	while(document.getElementById(\"canvas_input\"+t)){\
		3138	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3139	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3140	p++;\
		3141	};\
		3142	t++;\
		3143	};\
		3144	};\
		3145	if( typeof userdraw_text != 'undefined' ){\
		3146	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3147	}\
		3148	else\
		3149	{\
		3150	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3151	}\
		3152	}\
		3153	else\
		3154	{\
		3155	if( typeof userdraw_text != 'undefined' ){\
		3156	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3157	}\
		3158	else\
		3159	{\
		3160	return userdraw_x+\"\\n\"+userdraw_y;\
		3161	}\
		3162	};\
		3163	};\
		3164	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3165	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3166	break;
		3167	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3168	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3169	function read_canvas(){\
		3170	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3171	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3172	while(userdraw_x[p]){\
		3173	reply_x[p] = px2x(userdraw_x[p]);\
		3174	reply_y[p] = px2y(userdraw_y[p]);\
		3175	p++;\
		3176	};\
		3177	if(p == 0){alert(\"nothing drawn...\");return;};\
		3178	if( document.getElementById(\"canvas_input0\")){\
		3179	var p = 0;var input_reply = new Array();\
		3180	if( document.getElementById(\"canvas_input0\")){\
		3181	var t = 0;\
		3182	while(document.getElementById(\"canvas_input\"+t)){\
		3183	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3184	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3185	p++;\
		3186	};\
		3187	t++;\
		3188	};\
		3189	};\
		3190	if( typeof userdraw_text != 'undefined' ){\
		3191	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3192	}\
		3193	else\
		3194	{\
		3195	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3196	}\
		3197	}\
		3198	else\
		3199	{\
		3200	if( typeof userdraw_text != 'undefined' ){\
		3201	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3202	}\
		3203	else\
		3204	{\
		3205	return reply_x+\"\\n\"+reply_y;\
		3206	};\
		3207	};\
		3208	};\
		3209	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3210	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3211	break;
		3212	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3213	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3214	function read_canvas(){\
		3215	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3216	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3217	var p = 0;var input_reply = new Array();\
		3218	if( document.getElementById(\"canvas_input0\")){\
		3219	var t = 0;\
		3220	while(document.getElementById(\"canvas_input\"+t)){\
		3221	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3222	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3223	p++;\
		3224	};\
		3225	t++;\
		3226	};\
		3227	};\
		3228	if( typeof userdraw_text != 'undefined' ){\
		3229	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3230	}\
		3231	else\
		3232	{\
		3233	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3234	}\
		3235	}\
		3236	else\
		3237	{\
		3238	if( typeof userdraw_text != 'undefined' ){\
		3239	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3240	}\
		3241	else\
		3242	{\
		3243	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3244	}\
		3245	}\
		3246	};\
		3247	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3248	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3249	break;
		3250	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3251	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3252	function read_canvas(){\
		3253	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3254	while(userdraw_x[p]){\
		3255	reply_x[p] = px2x(userdraw_x[p]);\
		3256	reply_y[p] = px2y(userdraw_y[p]);\
		3257	p++;\
		3258	};\
		3259	if(p == 0){alert(\"nothing drawn...\");return;};\
		3260	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3261	var p = 0;var input_reply = new Array();\
		3262	if( document.getElementById(\"canvas_input0\")){\
		3263	var t = 0;\
		3264	while(document.getElementById(\"canvas_input\"+t)){\
		3265	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3266	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3267	p++;\
		3268	};\
		3269	t++;\
		3270	};\
		3271	};\
		3272	if( typeof userdraw_text != 'undefined' ){\
		3273	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3274	}\
		3275	else\
		3276	{\
		3277	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3278	}\
		3279	}\
		3280	else\
		3281	{\
		3282	if( typeof userdraw_text != 'undefined' ){\
		3283	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3284	}\
		3285	else\
		3286	{\
		3287	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3288	}\
		3289	};\
		3290	};\
		3291	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3292	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3293	break;
		3294	/*
		3295	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3296	used for userdraw multiple paths
		3297	*/
		3298	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3299	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3300	function read_canvas(){\
		3301	var p = 0;\
		3302	var reply = \"\";\
		3303	for(p = 0; p < userdraw_x.length;p++){\
		3304	if(userdraw_x[p] != null ){\
		3305	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3306	};\
		3307	};\
		3308	if(p == 0){alert(\"nothing drawn...\");return;};\
		3309	userdraw_x = [];userdraw_y = [];\
		3310	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3311	var p = 0;var input_reply = new Array();\
		3312	if( document.getElementById(\"canvas_input0\")){\
		3313	var t = 0;\
		3314	while(document.getElementById(\"canvas_input\"+t)){\
		3315	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3316	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3317	p++;\
		3318	};\
		3319	t++;\
		3320	};\
		3321	};\
		3322	if( typeof userdraw_text != 'undefined' ){\
		3323	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3324	}\
		3325	else\
		3326	{\
		3327	return reply +\"\\n\"+input_reply;\
		3328	}\
		3329	}\
		3330	else\
		3331	{\
		3332	if( typeof userdraw_text != 'undefined' ){\
		3333	return reply+\"\\n\"+userdraw_text;\
		3334	}\
		3335	else\
		3336	{\
		3337	return reply;\
		3338	}\
		3339	};\
		3340	};\
7654	schaersvoo	3341	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3342	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3343	break;
		3344	/*
		3345	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3346	used for userdraw multiple paths
		3347	*/
		3348	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3349	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3350	function read_canvas(){\
		3351	var p = 0;\
		3352	var reply = \"\";\
		3353	var tmp_x = new Array();\
		3354	var tmp_y = new Array();\
		3355	for(p = 0 ; p < userdraw_x.length; p++){\
		3356	tmp_x = userdraw_x[p];\
		3357	tmp_y = userdraw_y[p];\
		3358	if(tmp_x != null){\
		3359	for(var i = 0 ; i < tmp_x.length ; i++){\
		3360	tmp_x[i] = px2x(tmp_x[i]);\
		3361	tmp_y[i] = px2y(tmp_y[i]);\
		3362	};\
		3363	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3364	};\
		3365	};\
		3366	if(p == 0){alert(\"nothing drawn...\");return;};\
		3367	userdraw_x = [];userdraw_y = [];\
		3368	if( document.getElementById(\"canvas_input0\") ){\
		3369	var p = 0;var input_reply = new Array();\
		3370	if( document.getElementById(\"canvas_input0\")){\
		3371	var t = 0;\
		3372	while(document.getElementById(\"canvas_input\"+t)){\
		3373	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3374	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3375	p++;\
		3376	};\
		3377	t++;\
		3378	};\
		3379	};\
		3380	if( typeof userdraw_text != 'undefined' ){\
		3381	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3382	}\
		3383	else\
		3384	{\
		3385	return reply +\"\\n\"+input_reply;\
		3386	}\
		3387	}\
		3388	else\
		3389	{\
		3390	if( typeof userdraw_text != 'undefined' ){\
		3391	return reply +\"\\n\"+userdraw_text;\
		3392	}\
		3393	else\
		3394	{\
		3395	return reply;\
		3396	}\
		3397	};\
		3398	};\
		3399	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3400	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3401	break;
		3402	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3403	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3404	function read_canvas(){\
		3405	var reply = new Array();\
		3406	var p = 0;\
		3407	while(userdraw_x[p]){\
		3408	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3409	p++;\
		3410	};\
		3411	if(p == 0){alert(\"nothing drawn...\");return;};\
		3412	if( document.getElementById(\"canvas_input0\") ){\
		3413	var p = 0;var input_reply = new Array();\
		3414	if( document.getElementById(\"canvas_input0\")){\
		3415	var t = 0;\
		3416	while(document.getElementById(\"canvas_input\"+t)){\
		3417	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3418	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3419	p++;\
		3420	};\
		3421	t++;\
		3422	};\
		3423	};\
		3424	if( typeof userdraw_text != 'undefined' ){\
		3425	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3426	}\
		3427	else\
		3428	{\
		3429	return reply+\"\\n\"+input_reply;\
		3430	}\
		3431	};\
		3432	else\
		3433	{\
		3434	if( typeof userdraw_text != 'undefined' ){\
		3435	return reply+\"\\n\"+userdraw_text;\
		3436	}\
		3437	else\
		3438	{\
		3439	return reply;\
		3440	}\
		3441	};\
		3442	};\
		3443	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3444	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3445	break;
		3446	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3447	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3448	function read_canvas(){\
		3449	var reply = new Array();\
		3450	var p = 0;\
		3451	while(userdraw_x[p]){\
		3452	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3453	p++;\
		3454	};\
		3455	if(p == 0){alert(\"nothing drawn...\");return;};\
		3456	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3457	var p = 0;var input_reply = new Array();\
		3458	if( document.getElementById(\"canvas_input0\")){\
		3459	var t = 0;\
		3460	while(document.getElementById(\"canvas_input\"+t)){\
		3461	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3462	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3463	p++;\
		3464	};\
		3465	t++;\
		3466	};\
		3467	};\
		3468	if( typeof userdraw_text != 'undefined' ){\
		3469	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3470	}\
		3471	else\
		3472	{\
		3473	return reply +\"\\n\"+input_reply;\
		3474	}\
		3475	}\
		3476	else\
		3477	{\
		3478	if( typeof userdraw_text != 'undefined' ){\
		3479	return reply +\"\\n\"+userdraw_text;\
		3480	}\
		3481	else\
		3482	{\
		3483	return reply;\
		3484	}\
		3485	};\
		3486	};\
		3487	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3488	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3489	break;
		3490	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3491	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3492	function read_canvas(){\
		3493	var reply = new Array();\
		3494	var p = 0;\
		3495	while(userdraw_x[p]){\
		3496	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3497	p++;\
		3498	};\
		3499	if(p == 0){alert(\"nothing drawn...\");return;};\
		3500	if( document.getElementById(\"canvas_input0\") ){\
		3501	var p = 0;var input_reply = new Array();\
		3502	if( document.getElementById(\"canvas_input0\")){\
		3503	var t = 0;\
		3504	while(document.getElementById(\"canvas_input\"+t)){\
		3505	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3506	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3507	p++;\
		3508	};\
		3509	t++;\
		3510	};\
		3511	};\
		3512	if( typeof userdraw_text != 'undefined' ){\
		3513	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3514	}\
		3515	else\
		3516	{\
		3517	return reply +\"\\n\"+input_reply;\
		3518	}\
		3519	}\
		3520	else\
		3521	{\
		3522	if( typeof userdraw_text != 'undefined' ){\
		3523	return reply +\"\\n\"+userdraw_text;\
		3524	}\
		3525	else\
		3526	{\
		3527	return reply;\
		3528	}\
		3529	};\
		3530	};\
		3531	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3532	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3533	break;
		3534	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3535	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3536	function read_canvas(){\
		3537	var reply = new Array();\
		3538	var p = 0;\
		3539	while(userdraw_x[p]){\
		3540	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3541	p++;\
		3542	};\
		3543	if(p == 0){alert(\"nothing drawn...\");return;};\
		3544	if( document.getElementById(\"canvas_input0\") ){\
		3545	var p = 0;var input_reply = new Array();\
		3546	if( document.getElementById(\"canvas_input0\")){\
		3547	var t = 0;\
		3548	while(document.getElementById(\"canvas_input\"+t)){\
		3549	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3550	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3551	p++;\
		3552	};\
		3553	t++;\
		3554	};\
		3555	};\
		3556	if( typeof userdraw_text != 'undefined' ){\
		3557	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3558	}\
		3559	else\
		3560	{\
		3561	return reply +\"\\n\"+input_reply;\
		3562	}\
		3563	}\
		3564	else\
		3565	{\
		3566	if( typeof userdraw_text != 'undefined' ){\
		3567	return reply +\"\\n\"+userdraw_text;\
		3568	}\
		3569	else\
		3570	{\
		3571	return reply;\
		3572	}\
		3573	};\
		3574	};\
		3575	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3576	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3577	break;
		3578	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3579	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3580	function read_canvas(){\
		3581	var reply = \"\";\
		3582	var p = 0;\
		3583	while(userdraw_x[p]){\
		3584	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3585	p = p+2;\
		3586	};\
		3587	if(p == 0){alert(\"nothing drawn...\");return;};\
		3588	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3589	var p = 0;var input_reply = new Array();\
		3590	if( document.getElementById(\"canvas_input0\")){\
		3591	var t = 0;\
		3592	while(document.getElementById(\"canvas_input\"+t)){\
		3593	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3594	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3595	p++;\
		3596	};\
		3597	t++;\
		3598	};\
		3599	};\
		3600	if( typeof userdraw_text != 'undefined' ){\
		3601	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3602	}\
		3603	else\
		3604	{\
		3605	return reply +\"\\n\"+input_reply;\
		3606	}\
		3607	}\
		3608	else\
		3609	{\
		3610	if( typeof userdraw_text != 'undefined' ){\
		3611	return reply +\"\\n\"+userdraw_text;\
		3612	}\
		3613	else\
		3614	{\
		3615	return reply;\
		3616	}\
		3617	};\
		3618	};\
		3619	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3620	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3621	break;
		3622	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3623	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3624	function read_canvas(){\
		3625	var reply = \"\";\
		3626	var p = 0;\
		3627	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3628	if(userdraw_x[p] != null){\
		3629	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3630	};\
		3631	};\
		3632	if(p == 0){alert(\"nothing drawn...\");return;};\
		3633	if( document.getElementById(\"canvas_input0\") ){\
		3634	var p = 0;var input_reply = new Array();\
		3635	if( document.getElementById(\"canvas_input0\")){\
		3636	var t = 0;\
		3637	while(document.getElementById(\"canvas_input\"+t)){\
		3638	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3639	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3640	p++;\
		3641	};\
		3642	t++;\
		3643	};\
		3644	};\
		3645	if( typeof userdraw_text != 'undefined' ){\
		3646	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3647	}\
		3648	else\
		3649	{\
		3650	return reply +\"\\n\"+input_reply;\
		3651	}\
		3652	}\
		3653	else\
		3654	{\
		3655	if( typeof userdraw_text != 'undefined' ){\
		3656	return reply +\"\\n\"+userdraw_text\
		3657	}\
		3658	else\
		3659	{\
		3660	return reply;\
		3661	}\
		3662	};\
		3663	};\
		3664	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3665	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3666	break;
		3667	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3668	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3669	function read_canvas(){\
		3670	var reply = new Array();\
		3671	var p = 0;var i = 0;\
		3672	while(userdraw_x[p]){\
		3673	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3674	p = p+2;i++;\
		3675	};\
		3676	if(p == 0){alert(\"nothing drawn...\");return;};\
		3677	if( document.getElementById(\"canvas_input0\") ){\
		3678	var p = 0;var input_reply = new Array();\
		3679	if( document.getElementById(\"canvas_input0\")){\
		3680	var t = 0;\
		3681	while(document.getElementById(\"canvas_input\"+t)){\
		3682	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3683	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3684	p++;\
		3685	};\
		3686	t++;\
		3687	};\
		3688	};\
		3689	if( typeof userdraw_text != 'undefined' ){\
		3690	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3691	}\
		3692	else\
		3693	{\
		3694	return reply +\"\\n\"+input_reply;\
		3695	}\
		3696	}\
		3697	else\
		3698	{\
		3699	if( typeof userdraw_text != 'undefined' ){\
		3700	return reply +\"\\n\"+userdraw_text\
		3701	}\
		3702	else\
		3703	{\
		3704	return reply;\
		3705	}\
		3706	};\
		3707	};\
		3708	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3709	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3710	break;
		3711	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3712	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3713	function read_canvas(){\
		3714	var reply = new Array();\
		3715	var p = 0;var i = 0;\
		3716	while(userdraw_x[p]){\
		3717	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3718	p = p+2;i++;\
		3719	};\
		3720	if(p == 0){alert(\"nothing drawn...\");return;};\
		3721	if( document.getElementById(\"canvas_input0\") ){\
		3722	var p = 0;var input_reply = new Array();\
		3723	if( document.getElementById(\"canvas_input0\")){\
		3724	var t = 0;\
		3725	while(document.getElementById(\"canvas_input\"+t)){\
		3726	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3727	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3728	p++;\
		3729	};\
		3730	t++;\
		3731	};\
		3732	};\
		3733	if( typeof userdraw_text != 'undefined' ){\
		3734	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3735	}\
		3736	else\
		3737	{\
		3738	return reply +\"\\n\"+input_reply;\
		3739	}\
		3740	}\
		3741	else\
		3742	{\
		3743	if( typeof userdraw_text != 'undefined' ){\
		3744	return reply +\"\\n\"+userdraw_text;\
		3745	}\
		3746	else\
		3747	{\
		3748	return reply;\
		3749	}\
		3750	};\
		3751	};\
		3752	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3753	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3754	break;
		3755	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3756	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3757	function read_canvas(){\
		3758	var input_reply = new Array();\
		3759	var p = 0;\
		3760	if( document.getElementById(\"canvas_input0\")){\
		3761	var t = 0;\
		3762	while(document.getElementById(\"canvas_input\"+t)){\
		3763	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3764	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3765	p++;\
		3766	};\
		3767	t++;\
		3768	};\
		3769	};\
		3770	if( typeof userdraw_text != 'undefined' ){\
		3771	return input_reply +\"\\n\"+userdraw_text;\
		3772	}\
		3773	else\
		3774	{\
		3775	return input_reply;\
		3776	};\
		3777	};\
		3778	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3779	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3780	break;
		3781	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3782	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3783	function read_mathml(){\
		3784	var reply = new Array();\
		3785	var p = 0;\
		3786	if( document.getElementById(\"mathml0\")){\
		3787	while(document.getElementById(\"mathml\"+p)){\
		3788	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3789	p++;\
		3790	};\
		3791	};\
		3792	return reply;\
		3793	};\
		3794	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3795	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3796	break;
		3797	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3798	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3799	function read_canvas(){\
		3800	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3801	return userdraw_text;\
		3802	};\
		3803	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3804	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3805	break;
		3806	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3807	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3808	function read_canvas(){\
		3809	var p = 0;\
		3810	var reply = new Array();\
		3811	var name;\
		3812	var t = true;\
		3813	while(t){\
		3814	try{ name = eval('clocks'+p);\
		3815	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;};\
		3816	};\
		3817	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3818	return reply;\
		3819	};\
		3820	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3821	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3822	break;
		3823	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3824	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3825	function read_canvas(){\
		3826	return reply[0];\
		3827	};\
		3828	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3829	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3830	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3831	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3832	function read_canvas(){\
		3833	var len = ext_drag_images.length;\
		3834	var reply = new Array(len);\
		3835	for(var p = 0 ; p < len ; p++){\
		3836	var img = ext_drag_images[p];\
		3837	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3838	};\
		3839	return reply;\
		3840	};\
		3841	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3842	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3843	break;
		3844	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3845	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3846	function read_canvas(){\
		3847	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3848	var reply_coord = new Array();var p = 0;\
		3849	while(userdraw_x[p]){\
		3850	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3851	p++;\
		3852	};\
		3853	if(p == 0){alert(\"nothing drawn...\");return;};\
		3854	if( document.getElementById(\"canvas_input0\") ){\
		3855	var p = 0;var input_reply = new Array();\
		3856	if( document.getElementById(\"canvas_input0\")){\
		3857	var t = 0;\
		3858	while(document.getElementById(\"canvas_input\"+t)){\
		3859	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3860	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3861	p++;\
		3862	};\
		3863	t++;\
		3864	};\
		3865	};\
		3866	if( typeof userdraw_text != 'undefined' ){\
		3867	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3868	}\
		3869	else\
		3870	{\
		3871	return reply_coord+\"\\n\"+input_reply;\
		3872	}\
		3873	}\
		3874	else\
		3875	{\
		3876	if( typeof userdraw_text != 'undefined' ){\
		3877	return reply_coord+\"\\n\"+userdraw_text;\
		3878	}\
		3879	else\
		3880	{\
		3881	return reply_coord;\
		3882	};\
		3883	};\
		3884	};\
		3885	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3886	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3887	break;
		3888	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3889	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3890	function read_canvas(){\
		3891	var reply = new Array();\
		3892	var p = 0;\
		3893	var idx = 0;\
		3894	while(userdraw_x[p]){\
		3895	reply[idx] = px2x(userdraw_x[p]);\
		3896	idx++;\
		3897	reply[idx] = px2y(userdraw_y[p]);\
		3898	idx++;p++;\
		3899	};\
		3900	if(p == 0){alert(\"nothing drawn...\");return;};\
		3901	if( document.getElementById(\"canvas_input0\") ){\
		3902	var p = 0;var input_reply = new Array();\
		3903	if( document.getElementById(\"canvas_input0\")){\
		3904	var t = 0;\
		3905	while(document.getElementById(\"canvas_input\"+t)){\
		3906	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3907	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3908	p++;\
		3909	};\
		3910	t++;\
		3911	};\
		3912	};\
		3913	if( typeof userdraw_text != 'undefined' ){\
		3914	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3915	}\
		3916	else\
		3917	{\
		3918	return reply +\"\\n\"+input_reply;\
		3919	}\
		3920	}\
		3921	else\
		3922	{\
		3923	if( typeof userdraw_text != 'undefined' ){\
		3924	return reply +\"\\n\"+userdraw_text;\
		3925	}\
		3926	else\
		3927	{\
		3928	return reply;\
		3929	}\
		3930	};\
		3931	};\
		3932	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3933	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3934	break;
7782	schaersvoo	3935	case 23: fprintf(js_include_file,"\
		3936	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3937	function read_canvas(){\
		3938	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3939	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3940	var lu = userdraw_x.length;\
		3941	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3942	var marge = 5;\
		3943	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3944	for(var i = 0; i < lu - 1 ; i++ ){\
		3945	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3946	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3947	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3948	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3949	p++;\
		3950	};\
		3951	};\
		3952	};\
		3953	if( document.getElementById(\"canvas_input0\")){\
		3954	var p = 0;var input_reply = new Array();\
		3955	if( document.getElementById(\"canvas_input0\")){\
		3956	var t = 0;\
		3957	while(document.getElementById(\"canvas_input\"+t)){\
		3958	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3959	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3960	p++;\
		3961	};\
		3962	t++;\
		3963	};\
		3964	};\
		3965	if( typeof userdraw_text != 'undefined' ){\
		3966	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3967	}\
		3968	else\
		3969	{\
		3970	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3971	}\
		3972	}\
		3973	else\
		3974	{\
		3975	if( typeof userdraw_text != 'undefined' ){\
		3976	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3977	}\
		3978	else\
		3979	{\
		3980	return reply_x+\"\\n\"+reply_y;\
		3981	};\
		3982	};\
		3983	};\
		3984	this.read_canvas = read_canvas;\n\
		3985	<!-- end function 23 read_canvas() -->");
		3986	break;
7614	schaersvoo	3987
		3988	default: canvas_error("hmmm unknown replyformat...");break;
		3989	}
		3990	return;
		3991	}
		3992
		3993
		3994	/*
		3995	add drawfunction :
		3996	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		3997	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		3998	- grid / mathml
		3999	- will not scale or zoom in
		4000	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
		4001	- is printed directly into 'js_include_file'
		4002	*/
		4003
		4004	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4005	int i;
		4006	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4007	if( js_functions[i] == 1){
		4008	switch(i){
		4009	case DRAG_EXTERNAL_IMAGE:
		4010	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4011	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4012	var external_ctx = external_canvas.getContext(\"2d\");\
		4013	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4014	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4015	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4016	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4017	var selected_image = null;\
		4018	var ext_image_cnt = 0;\
		4019	var ext_drag_images = new Array();\
		4020	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4021	ext_image_cnt = idx;\
		4022	var image = new Image();\
		4023	image.src = URL;\
		4024	image.onload = function(){\
		4025	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4026	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4027	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4028	img = new Array(10);\
		4029	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4030	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4031	ext_drag_images[idx] = img;\
		4032	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4033	};\
		4034	};\
		4035	function dragstop(evt){\
		4036	selected_image = null;return;\
		4037	};\
		4038	function dragxy(evt){\
		4039	if( selected_image != null ){\
		4040	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4041	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4042	var s_img = ext_drag_images[selected_image];\
		4043	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4044	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4045	ext_drag_images[selected_image] = s_img;\
		4046	external_ctx.clearRect(0,0,xsize,ysize);\
		4047	for(var i = 0; i <= ext_image_cnt ; i++){\
		4048	var img = ext_drag_images[i];\
		4049	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4050	};\
		4051	};\
		4052	};\
		4053	function setxy(evt){\
		4054	if( ! selected_image && evt.which == 1 ){\
		4055	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4056	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4057	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4058	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4059	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4060	var img = ext_drag_images[p];\
		4061	if( img[0] == 1 ){\
		4062	var w = img.width;\
		4063	var h = img.height;\
		4064	if( xm > img[6] && xm < img[6] + img[4]){\
		4065	if( ym > img[7] && ym < img[7] + img[5]){\
		4066	img[6] = xm;\
		4067	img[7] = ym;\
		4068	ext_drag_images[p] = img;\
		4069	selected_image = p;\
		4070	dragxy(evt);\
		4071	};\
		4072	};\
		4073	};\
		4074	};\
		4075	}\
		4076	else\
		4077	{\
		4078	selected_image = null;\
		4079	};\
7614	schaersvoo	4080	};",canvas_root_id);
		4081	break;
		4082
		4083	case DRAW_EXTERNAL_IMAGE:
		4084	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4085	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4086	var image = new Image();\
		4087	image.src = URL;\
		4088	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4089	image.onload = function(){\
		4090	if( x0 < 1 ){ x0 = 0; };\
		4091	if( y0 < 1 ){ y0 = 0; };\
		4092	if( sx < 1 ){ sx = 0; };\
		4093	if( sy < 1 ){ sy = 0; };\
		4094	if( width < 1 ){ width = image.width;};\
		4095	if( height < 1 ){ height = image.height;};\
		4096	if( swidth < 1 ){ swidth = image.width;};\
		4097	if( sheight < 1 ){ sheight = image.height;};\
		4098	var ml = x0 - sx;\
		4099	var mh = y0 - sy;\
		4100	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4101	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4102	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4103	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4104	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4105	};\
7653	schaersvoo	4106	};",canvas_root_id);
7614	schaersvoo	4107	break;
		4108
		4109	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4110	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4111	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4112	var obj;\
		4113	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4114	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4115	}\
		4116	else\
		4117	{\
		4118	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4119	};\
		4120	var ctx = obj.getContext(\"2d\");\
		4121	ctx.font =\"18px Ariel\";\
		4122	ctx.textAlign = \"right\";\
		4123	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4124	ctx.fillText(\"+\",xsize,ysize);\
		4125	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4126	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4127	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4128	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4129	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4130	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4131	ctx.stroke();\
7653	schaersvoo	4132	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4133
		4134	break;
		4135	case DRAW_GRIDFILL:/* not used for userdraw */
		4136	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4137	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4138	var obj;\
		4139	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4140	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4141	}\
		4142	else\
		4143	{\
		4144	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4145	};\
		4146	var ctx = obj.getContext(\"2d\");\
		4147	var x,y;\
		4148	ctx.save();\
		4149	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4150	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4151	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4152	ctx.moveTo(x,y0);\
		4153	ctx.lineTo(x,ysize);\
		4154	};\
7645	schaersvoo	4155	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4156	ctx.moveTo(x0,y);\
		4157	ctx.lineTo(xsize,y);\
		4158	};\
		4159	ctx.stroke();\
		4160	ctx.restore();\
7653	schaersvoo	4161	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4162	break;
		4163
		4164	case DRAW_IMAGEFILL:/* not used for userdraw */
		4165	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4166	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4167	var obj;\
		4168	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4169	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4170	}\
		4171	else\
		4172	{\
		4173	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4174	};\
		4175	var ctx = obj.getContext(\"2d\");\
		4176	ctx.save();\
		4177	var img = new Image();\
		4178	img.src = URL;\
		4179	img.onload = function(){\
		4180	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4181	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4182	}\
		4183	else\
		4184	{\
		4185	var repeat = \"repeat\";\
		4186	if(img.width > xsize - x0){\
		4187	repeat = \"repeat-y\";\
		4188	}\
		4189	else\
		4190	{\
		4191	if( img.height > ysize -x0 ){\
		4192	repeat = \"repeat-x\";\
		4193	}\
		4194	}\
		4195	var pattern = ctx.createPattern(img,repeat);\
		4196	ctx.rect(x0,y0,xsize,ysize);\
		4197	ctx.fillStyle = pattern;\
		4198	}\
		4199	ctx.fill();\
		4200	};\
		4201	ctx.restore();\
		4202	return;\
7653	schaersvoo	4203	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4204	break;
		4205
		4206	case DRAW_DOTFILL:/* not used for userdraw */
		4207	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4208	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4209	var obj;\
		4210	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4211	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4212	}\
		4213	else\
		4214	{\
		4215	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4216	};\
		4217	var ctx = obj.getContext(\"2d\");\
		4218	var x,y;\
		4219	ctx.closePath();\
		4220	ctx.save();\
7645	schaersvoo	4221	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4222	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4223	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4224	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4225	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4226	ctx.closePath();\
		4227	}\
		4228	}\
		4229	ctx.fill();\
		4230	ctx.restore();\
7653	schaersvoo	4231	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4232	break;
7645	schaersvoo	4233
7647	schaersvoo	4234	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4235	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4236	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4237	var obj;\
		4238	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4239	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4240	}\
		4241	else\
		4242	{\
		4243	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4244	};\
		4245	var ctx = obj.getContext(\"2d\");\
		4246	var x;\
		4247	var y;\
		4248	ctx.save();\
		4249	ctx.lineWidth = linewidth;\
		4250	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4251	y = ysize;\
		4252	for( x = x0 ; x < xsize ; x = x + dx ){\
		4253	ctx.moveTo(x,y0);\
		4254	ctx.lineTo(xsize,y);\
		4255	y = y - dy;\
		4256	};\
		4257	y = y0;\
		4258	for( x = xsize ; x > 0 ; x = x - dx){\
		4259	ctx.moveTo(x,ysize);\
		4260	ctx.lineTo(x0,y);\
		4261	y = y + dy;\
		4262	};\
		4263	x = x0;\
		4264	for( y = y0 ; y < ysize ; y = y + dy ){\
		4265	ctx.moveTo(xsize,y);\
		4266	ctx.lineTo(x,ysize);\
		4267	x = x + dx;\
		4268	};\
		4269	x = xsize;\
		4270	for( y = ysize ; y > y0 ; y = y - dy ){\
		4271	ctx.moveTo(x,y0);\
		4272	ctx.lineTo(x0,y);\
		4273	x = x - dx;\
		4274	};\
		4275	ctx.stroke();\
		4276	ctx.restore();\
		4277	return;\
7653	schaersvoo	4278	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4279	break;
7647	schaersvoo	4280
		4281	case DRAW_HATCHFILL:/* not used for userdraw */
		4282	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4283	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4284	var obj;\
		4285	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4286	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4287	}\
		4288	else\
		4289	{\
		4290	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4291	};\
		4292	var ctx = obj.getContext(\"2d\");\
		4293	var x;\
		4294	var y;\
		4295	ctx.save();\
		4296	ctx.lineWidth = linewidth;\
		4297	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4298	y = ysize;\
		4299	for( x = x0 ; x < xsize ; x = x + dx ){\
		4300	ctx.moveTo(x,y0);\
		4301	ctx.lineTo(xsize,y);\
		4302	y = y - dy;\
		4303	};\
		4304	y = y0;\
		4305	for( x = xsize ; x >= dx ; x = x - dx){\
		4306	ctx.moveTo(x,ysize);\
		4307	ctx.lineTo(x0,y);\
		4308	y = y + dy;\
		4309	};\
		4310	ctx.stroke();\
		4311	ctx.restore();\
		4312	return;\
7653	schaersvoo	4313	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4314	break;
7614	schaersvoo	4315	case DRAW_CIRCLES:/* used for userdraw */
		4316	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4317	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){\
		4318	ctx.save();\
		4319	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4320	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4321	ctx.lineWidth = line_width;\
		4322	for(var p = 0 ; p < x_points.length ; p++ ){\
		4323	ctx.beginPath();\
		4324	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4325	ctx.closePath();\
		4326	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4327	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4328	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4329	ctx.stroke();\
		4330	}\
		4331	ctx.restore();\
		4332	return;\
7653	schaersvoo	4333	};");
7614	schaersvoo	4334	break;
7663	schaersvoo	4335	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4336	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4337	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4338	ctx.save();\
		4339	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4340	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4341	ctx.lineWidth = line_width;\
		4342	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4343	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4344	ctx.clearRect(0,0,xsize,ysize);\
		4345	ctx.beginPath();\
		4346	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4347	ctx.moveTo(x_points[p],y_points[p]);\
		4348	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4349	}\
		4350	ctx.closePath();\
		4351	ctx.stroke();\
		4352	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4353	for(var p = 0 ; p < x_points.length ; p++ ){\
		4354	ctx.beginPath();\
		4355	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4356	ctx.closePath();ctx.fill();ctx.stroke();\
		4357	};\
		4358	ctx.restore();\
		4359	return;\
		4360	};");
		4361	break;
7614	schaersvoo	4362
		4363	case DRAW_SEGMENTS:/* used for userdraw */
		4364	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4365	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4366	ctx.save();\
		4367	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4368	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4369	ctx.lineWidth = line_width;\
		4370	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4371	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4372	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4373	ctx.beginPath();\
		4374	ctx.moveTo(x_points[p],y_points[p]);\
		4375	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4376	ctx.closePath();\
		4377	ctx.stroke();\
		4378	}\
		4379	ctx.restore();\
		4380	return;\
		4381	};");
		4382	break;
		4383
		4384	case DRAW_LINES:/* used for userdraw */
		4385	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4386	function calc_line(x1,x2,y1,y2){\
		4387	var marge = 2;\
		4388	if(x1 < x2+marge && x1>x2-marge){\
		4389	return [x1,0,x1,ysize];\
		4390	};\
		4391	if(y1 < y2+marge && y1>y2-marge){\
		4392	return [0,y1,xsize,y1];\
		4393	};\
		4394	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4395	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4396	return [0,Y1,xsize,Y2];\
		4397	};\
		4398	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4399	ctx.save();\
		4400	var line = new Array(4);\
		4401	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4402	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4403	ctx.lineWidth = line_width;\
		4404	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4405	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4406	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4407	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4408	ctx.beginPath();\
		4409	ctx.moveTo(line[0],line[1]);\
		4410	ctx.lineTo(line[2],line[3]);\
		4411	ctx.closePath();\
		4412	ctx.stroke();\
		4413	}\
		4414	ctx.restore();\
		4415	return;\
		4416	};");
		4417	break;
		4418
		4419	case DRAW_CROSSHAIRS:/* used for userdraw */
		4420	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4421	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4422	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4423	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4424	ctx.lineWidth = line_width;\
		4425	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4426	var x1,x2,y1,y2;\
		4427	for(var p = 0 ; p < x_points.length ; p++ ){\
		4428	x1 = x_points[p] - crosshair_size;\
		4429	x2 = x_points[p] + crosshair_size;\
		4430	y1 = y_points[p] - crosshair_size;\
		4431	y2 = y_points[p] + crosshair_size;\
		4432	ctx.beginPath();\
		4433	ctx.moveTo(x1,y1);\
		4434	ctx.lineTo(x2,y2);\
		4435	ctx.closePath();\
		4436	ctx.stroke();\
		4437	ctx.beginPath();\
		4438	ctx.moveTo(x2,y1);\
		4439	ctx.lineTo(x1,y2);\
		4440	ctx.closePath();\
		4441	ctx.stroke();\
		4442	}\
		4443	ctx.restore();\
		4444	return;\
7653	schaersvoo	4445	};");
7614	schaersvoo	4446	break;
		4447
		4448	case DRAW_RECTS:/* used for userdraw */
		4449	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4450	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){\
		4451	ctx.save();\
		4452	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4453	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4454	ctx.lineWidth = line_width;\
		4455	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4456	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4457	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4458	ctx.beginPath();\
		4459	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4460	ctx.closePath();\
		4461	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4462	ctx.stroke();\
		4463	};\
		4464	ctx.restore();\
		4465	return;\
7653	schaersvoo	4466	};");
7614	schaersvoo	4467	break;
		4468
		4469	case DRAW_ROUNDRECTS:/* used for userdraw */
		4470	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4471	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){\
		4472	ctx.save();\
		4473	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4474	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4475	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4476	var x,y,w,h,r;\
		4477	for(var p = 0; p < x_points.length; p = p+2){\
		4478	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);\
		4479	ctx.beginPath();ctx.moveTo(x + r, y);\
		4480	ctx.lineTo(x + w - r, y);\
		4481	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4482	ctx.lineTo(x + w, y + h - r);\
		4483	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4484	ctx.lineTo(x + r, y + h);\
		4485	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4486	ctx.lineTo(x, y + r);\
		4487	ctx.quadraticCurveTo(x, y, x + r, y);\
		4488	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4489	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4490	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4491	ctx.stroke();\
		4492	}\
		4493	ctx.restore();\
7653	schaersvoo	4494	};");
7614	schaersvoo	4495	break;
		4496
		4497	case DRAW_ELLIPSES:/* not used for userdraw */
		4498	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4499	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){\
		4500	var obj;\
		4501	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4502	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4503	}\
		4504	else\
		4505	{\
		4506	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4507	};\
		4508	var ctx = obj.getContext(\"2d\");\
		4509	ctx.save();\
		4510	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4511	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4512	var cx,cy,ry,rx;\
		4513	ctx.lineWidth = line_width;\
		4514	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4515	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4516	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4517	for(var p=0;p< x_points.length;p = p+2){\
		4518	ctx.beginPath();\
		4519	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4520	ctx.translate(cx - rx, cy - ry);\
		4521	ctx.scale(rx, ry);\
		4522	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4523	if( use_filled == 1 ){ctx.fill();}\
		4524	ctx.stroke();\
		4525	};\
		4526	ctx.restore();\
7653	schaersvoo	4527	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4528	break;
		4529
		4530	case DRAW_PATHS: /* used for userdraw */
		4531	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4532	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){\
		4533	ctx.save();\
		4534	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4535	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4536	ctx.lineWidth = line_width;\
		4537	ctx.lineJoin = \"round\";\
		4538	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4539	ctx.beginPath();\
		4540	ctx.moveTo(x_points[0],y_points[0]);\
		4541	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4542	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4543	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4544	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4545	ctx.stroke();\
		4546	ctx.restore();\
		4547	return;\
		4548	};");
		4549
		4550	break;
		4551	case DRAW_ARROWS:/* used for userdraw */
		4552	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4553	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){\
		4554	ctx.save();\
		4555	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4556	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4557	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4558	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4559	ctx.lineWidth = line_width;\
		4560	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4561	ctx.lineCap = \"round\";\
		4562	ctx.save();\
		4563	var x1,y1,x2,y2,dx,dy,len;\
		4564	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4565	ctx.restore();ctx.save();\
		4566	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4567	len = Math.sqrt(dxdx+dydy);\
		4568	ctx.translate(x2,y2);\
		4569	ctx.rotate(Math.atan2(dy,dx));\
		4570	ctx.lineCap = \"round\";\
		4571	ctx.beginPath();\
		4572	ctx.moveTo(0,0);\
		4573	ctx.lineTo(-len,0);\
		4574	ctx.closePath();\
		4575	ctx.stroke();\
		4576	ctx.beginPath();\
		4577	ctx.moveTo(0,0);\
		4578	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4579	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4580	ctx.closePath();\
		4581	ctx.fill();\
		4582	if( type == 2 ){\
		4583	ctx.restore();\
		4584	ctx.save();\
		4585	ctx.translate(x1,y1);\
		4586	ctx.rotate(Math.atan2(-dy,-dx));\
		4587	ctx.beginPath();\
		4588	ctx.moveTo(0,0);\
		4589	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4590	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4591	ctx.closePath();\
		4592	ctx.stroke();\
		4593	ctx.fill();\
		4594	}\
		4595	}\
		4596	ctx.restore();\
		4597	return;\
7653	schaersvoo	4598	};");
7614	schaersvoo	4599	break;
		4600
		4601	case DRAW_VIDEO:/* not used for userdraw */
		4602	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4603	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4604	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4605	var video_div = document.createElement(\"div\");\
		4606	canvas_div.appendChild(video_div);\
		4607	video_div.style.position = \"absolute\";\
		4608	video_div.style.left = x+\"px\";\
		4609	video_div.style.top = y+\"px\";\
		4610	video_div.style.width = w+\"px\";\
		4611	video_div.style.height = h+\"px\";\
		4612	var video = document.createElement(\"video\");\
		4613	video_div.appendChild(video);\
		4614	video.style.width = w+\"px\";\
		4615	video.style.height = h+\"px\";\
		4616	video.autobuffer = true;\
		4617	video.controls = true;video.autoplay = false;\
		4618	var src = document.createElement(\"source\");\
		4619	src.type = \"video/mp4\";\
		4620	src.src = URL;\
		4621	video.appendChild(src);\
		4622	video.load();\
		4623	return;\
7653	schaersvoo	4624	};");
7614	schaersvoo	4625	break;
		4626
		4627	case DRAW_AUDIO:/* not used for userdraw */
		4628	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4629	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4630	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4631	var audio_div = document.createElement(\"div\");\
		4632	canvas_div.appendChild(audio_div);\
		4633	audio_div.style.position = \"absolute\";\
		4634	audio_div.style.left = x+\"px\";\
		4635	audio_div.style.top = y+\"px\";\
		4636	audio_div.style.width = w+\"px\";\
		4637	audio_div.style.height = h+\"px\";\
		4638	var audio = document.createElement(\"audio\");\
		4639	audio_div.appendChild(audio);\
		4640	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4641	audio.autobuffer = true;\
		4642	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4643	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4644	var src1 = document.createElement(\"source\");\
		4645	src1.type = \"audio/ogg\";\
		4646	src1.src = URL1;\
		4647	audio.appendChild(src1);\
		4648	var src2 = document.createElement(\"source\");\
		4649	src2.type = \"audio/mpeg\";\
		4650	src2.src = URL2;\
		4651	audio.appendChild(src2);\
		4652	audio.load();\
		4653	return;\
7653	schaersvoo	4654	};");
7614	schaersvoo	4655	break;
		4656
		4657	case DRAW_HTTP:/* not used for userdraw */
		4658	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4659	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4660	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4661	var http_div = document.createElement(\"div\");\
		4662	var iframe = document.createElement(\"iframe\");\
		4663	canvas_div.appendChild(http_div);\
		4664	http_div.appendChild(iframe);\
		4665	iframe.src = URL;\
		4666	iframe.setAttribute(\"width\",w);\
		4667	iframe.setAttribute(\"height\",h);\
		4668	return;\
7653	schaersvoo	4669	};");
7614	schaersvoo	4670	break;
		4671
		4672	case DRAW_XML:
		4673	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4674	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4675	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4676	var xml_div = document.createElement(\"div\");\
		4677	canvas_div.appendChild(xml_div);\
		4678	xml_div.innerHTML = mathml;\
		4679	if(onclick != 0){\
		4680	xml_div.onclick = function(){\
		4681	reply[0] = onclick;\
		4682	alert(\"send \"+onclick+\" ?\");\
		4683	};\
		4684	};\
		4685	xml_div.style.position = \"absolute\";\
		4686	xml_div.style.left = x+\"px\";\
		4687	xml_div.style.top = y+\"px\";\
		4688	xml_div.style.width = w+\"px\";\
		4689	xml_div.style.height = h+\"px\";\
		4690	return;\
7653	schaersvoo	4691	};"
7614	schaersvoo	4692	);
		4693	break;
7654	schaersvoo	4694	case DRAW_SGRAPH:
		4695	/*
		4696	xstart = given
		4697	ystart = given
		4698	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4699	*/
		4700	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4701	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4702	var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{ obj = create_canvas%d(canvas_type,xsize,ysize);};\
		4703	var ctx = obj.getContext(\"2d\");\
		4704	ctx.font = fontfamily;\
		4705	var minor_opacity = 0.8*opacity;\
		4706	ctx.clearRect(0,0,xsize,ysize);\
		4707	var d_x = 1.8*font_size;\
		4708	var d_y = ctx.measureText(\"+ymax+\").width;\
		4709	var dx = xsize / (xmax - xmin);\
		4710	var dy = ysize / (ymax - ymin);\
		4711	var zero_x = d_y + dx;\
		4712	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4713	var snor_x;\
7654	schaersvoo	4714	if( xstart != xmin){\
7658	schaersvoo	4715	snor_x = 0.1*xsize;\
		4716	}\
		4717	else\
		4718	{\
		4719	snor_x = 0;\
		4720	xstart = xmin;\
		4721	};\
		4722	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4723	ctx.lineWidth = 2;\
		4724	ctx.beginPath();\
		4725	ctx.moveTo(xsize,zero_y);\
		4726	ctx.lineTo(zero_x,zero_y);\
		4727	ctx.lineTo(zero_x,0);\
		4728	ctx.stroke();\
		4729	ctx.closePath();\
		4730	ctx.beginPath();\
		4731	ctx.moveTo(zero_x,zero_y);\
		4732	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4733	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4734	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4735	ctx.lineTo(zero_x + snor_x,zero_y);\
		4736	ctx.stroke();\
		4737	ctx.closePath();\
		4738	ctx.beginPath();\
		4739	var num = xstart;\
7660	schaersvoo	4740	var flipflop = 1;\
7658	schaersvoo	4741	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4742	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4743	if( 0.5*ctx.measureText(num).width > step_x ){\
		4744	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4745	};\
		4746	if( flipflop == 1){\
7658	schaersvoo	4747	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4748	}\
		4749	else\
		4750	{\
		4751	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4752	}\
		4753	num = num + xmajor;\
		4754	};\
		4755	ctx.stroke();\
		4756	ctx.closePath();\
		4757	ctx.lineWidth = 1;\
		4758	ctx.beginPath();\
		4759	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4760	ctx.moveTo(x,zero_y);\
		4761	ctx.lineTo(x,0);\
		4762	};\
		4763	ctx.stroke();\
		4764	ctx.closePath();\
		4765	if( xminor > 1){\
		4766	ctx.lineWidth = 0.5;\
		4767	ctx.beginPath();\
		4768	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4769	var minor_step_x = step_x / xminor;\
		4770	var nx;\
		4771	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4772	num = 1;\
		4773	for(var p = 1 ; p < xminor ; p++){\
		4774	nx = x + num*minor_step_x;\
		4775	ctx.moveTo(nx,zero_y);\
		4776	ctx.lineTo(nx,0);\
		4777	num++;\
		4778	};\
		4779	};\
		4780	ctx.stroke();\
		4781	ctx.closePath();\
		4782	ctx.beginPath();\
		4783	ctx.lineWidth = 2;\
		4784	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4785	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4786	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4787	};\
		4788	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4789	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4790	};\
		4791	ctx.stroke();\
		4792	ctx.closePath();\
		4793	ctx.lineWidth = 0.5;\
		4794	};\
		4795	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4796	if( ystart != ymin){\
		4797	snor_y = 0.1*ysize;\
		4798	}\
		4799	else\
		4800	{\
		4801	snor_y = 0;\
		4802	ystart = ymin;\
		4803	};\
		4804	ctx.lineWidth = 2;\
		4805	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4806	ctx.beginPath();\
		4807	ctx.moveTo(zero_x,zero_y);\
		4808	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4809	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4810	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4811	ctx.lineTo(zero_x,zero_y - snor_y);\
		4812	ctx.stroke();\
		4813	ctx.closePath();\
		4814	ctx.beginPath();\
		4815	ctx.lineWidth = 1;\
		4816	num = ystart;\
		4817	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4818	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4819	ctx.moveTo(zero_x,y);\
		4820	ctx.lineTo(xsize,y);\
		4821	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4822	num = num + ymajor;\
		4823	};\
		4824	ctx.stroke();\
		4825	ctx.closePath();\
		4826	if( yminor > 1){\
		4827	ctx.lineWidth = 0.5;\
		4828	ctx.beginPath();\
		4829	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4830	var minor_step_y = step_y / yminor;\
		4831	var ny;\
		4832	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4833	num = 1;\
		4834	for(var p = 1 ;p < yminor;p++){\
		4835	ny = y + num*minor_step_y;\
		4836	ctx.moveTo(zero_x,ny);\
		4837	ctx.lineTo(xsize,ny);\
		4838	num++;\
		4839	};\
		4840	};\
		4841	ctx.stroke();\
		4842	ctx.closePath();\
		4843	ctx.lineWidth = 2;\
		4844	ctx.beginPath();\
		4845	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4846	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4847	ctx.moveTo(zero_x,y);\
		4848	ctx.lineTo(zero_x+12,y);\
		4849	};\
		4850	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4851	ctx.moveTo(zero_x,y);\
		4852	ctx.lineTo(zero_x+6,y);\
		4853	};\
		4854	ctx.stroke();\
		4855	ctx.closePath();\
		4856	};\
		4857	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4858	if( typeof legend%d !== 'undefined' ){\
		4859	ctx.globalAlpha = 1.0;\
		4860	var y_offset = 2*font_size;\
		4861	var txt;var txt_size;\
		4862	var x_offset = xsize - 2*font_size;\
		4863	var l_length = legend%d.length;var barcolor = new Array();\
		4864	if( typeof legendcolors%d !== 'undefined' ){\
		4865	for(var p = 0 ; p < l_length ; p++){\
		4866	barcolor[p] = legendcolors%d[p];\
		4867	};\
		4868	}else{\
		4869	if( barcolor.length == 0 ){\
		4870	for(var p = 0 ; p < l_length ; p++){\
		4871	barcolor[p] = stroke_color;\
		4872	};\
		4873	};\
		4874	};\
		4875	for(var p = 0; p < l_length; p++){\
		4876	ctx.fillStyle = barcolor[p];\
		4877	txt = legend%d[p];\
		4878	txt_size = ctx.measureText(txt).width;\
		4879	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4880	y_offset = parseInt(y_offset + 1.5*font_size);\
		4881	};\
		4882	};\
7660	schaersvoo	4883	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4884	ctx.fillStyle = \'#000000\';\
		4885	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4886	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4887	};\
7660	schaersvoo	4888	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4889	ctx.save();\
		4890	ctx.fillStyle = \'#000000\';\
		4891	var txt_size = ctx.measureText(yaxislabel).width;\
		4892	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4893	ctx.rotate(-0.5*Math.PI);\
		4894	ctx.fillText(yaxislabel,0,0);\
		4895	ctx.save();\
		4896	};\
7654	schaersvoo	4897	};\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);
		4898	break;
7614	schaersvoo	4899
		4900	case DRAW_GRID:/* not used for userdraw */
		4901	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4902	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){\
		4903	var obj;\
		4904	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4905	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4906	}\
		4907	else\
		4908	{\
		4909	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4910	};\
		4911	var ctx = obj.getContext(\"2d\");\
		4912	ctx.clearRect(0,0,xsize,ysize);\
		4913	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4914	ctx.save();\
		4915	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4916	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4917	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4918	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4919	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4920	ctx.font = font_family;\
		4921	var xstep = xsize*xmajor/(xmax - xmin);\
		4922	var ystep = ysize*ymajor/(ymax - ymin);\
		4923	var x2step = xstep / xminor;\
		4924	var y2step = ystep / yminor;\
7654	schaersvoo	4925	var zero_x;var zero_y;var f_x;var f_y;\
		4926	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4927	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4928	ctx.beginPath();\
		4929	ctx.lineWidth = line_width;\
		4930	ctx.strokeStyle = stroke_color;\
		4931	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4932	ctx.moveTo(p,0);\
		4933	ctx.lineTo(p,ysize);\
		4934	};\
		4935	for(var p = zero_x ; p > 0; p = p - xstep){\
		4936	ctx.moveTo(p,0);\
		4937	ctx.lineTo(p,ysize);\
		4938	};\
		4939	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4940	ctx.moveTo(0,p);\
		4941	ctx.lineTo(xsize,p);\
		4942	};\
		4943	for(var p = zero_y ; p > 0; p = p - ystep){\
		4944	ctx.moveTo(0,p);\
		4945	ctx.lineTo(xsize,p);\
		4946	};\
		4947	if( typeof xaxislabel !== 'undefined' ){\
		4948	ctx.save();\
		4949	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4950	var corr = ctx.measureText(xaxislabel).width;\
		4951	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		4952	ctx.restore();\
		4953	};\
		4954	if( typeof yaxislabel !== 'undefined' ){\
		4955	ctx.save();\
		4956	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4957	corr = ctx.measureText(yaxislabel).width;\
		4958	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		4959	ctx.rotate(-0.5*Math.PI);\
		4960	ctx.fillText(yaxislabel,0,0);\
		4961	ctx.restore();\
		4962	};\
		4963	ctx.stroke();\
		4964	ctx.closePath();\
		4965	if( use_axis == 1 ){\
		4966	ctx.beginPath();\
		4967	ctx.strokeStyle = stroke_color;\
		4968	ctx.lineWidth = 0.6*line_width;\
		4969	for(var p = zero_x ; p < xsize; p = p + x2step){\
		4970	ctx.moveTo(p,0);\
		4971	ctx.lineTo(p,ysize);\
		4972	};\
		4973	for(var p = zero_x ; p > 0; p = p - x2step){\
		4974	ctx.moveTo(p,0);\
		4975	ctx.lineTo(p,ysize);\
		4976	};\
		4977	for(var p = zero_y ; p < ysize; p = p + y2step){\
		4978	ctx.moveTo(0,p);\
		4979	ctx.lineTo(xsize,p);\
		4980	};\
		4981	for(var p = zero_y ; p > 0; p = p - y2step){\
		4982	ctx.moveTo(0,p);\
		4983	ctx.lineTo(xsize,p);\
		4984	};\
		4985	ctx.stroke();\
		4986	ctx.closePath();\
		4987	ctx.beginPath();\
		4988	ctx.lineWidth = 2*line_width;\
		4989	ctx.strokeStyle = axis_color;\
		4990	ctx.moveTo(0,zero_y);\
		4991	ctx.lineTo(xsize,zero_y);\
		4992	ctx.moveTo(zero_x,0);\
		4993	ctx.lineTo(zero_x,ysize);\
		4994	ctx.stroke();\
		4995	ctx.closePath();\
		4996	ctx.lineWidth = line_width+0.5;\
		4997	ctx.beginPath();\
		4998	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4999	ctx.moveTo(p,zero_y-tics_length);\
		5000	ctx.lineTo(p,zero_y+tics_length);\
		5001	};\
		5002	for(var p = zero_x ; p > 0; p = p - xstep){\
		5003	ctx.moveTo(p,zero_y-tics_length);\
		5004	ctx.lineTo(p,zero_y+tics_length);\
		5005	};\
		5006	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5007	ctx.moveTo(zero_x-tics_length,p);\
		5008	ctx.lineTo(zero_x+tics_length,p);\
		5009	};\
		5010	for(var p = zero_y ; p > 0; p = p - ystep){\
		5011	ctx.moveTo(zero_x-tics_length,p);\
		5012	ctx.lineTo(zero_x+tics_length,p);\
		5013	};\
		5014	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5015	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5016	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5017	};\
		5018	for(var p = zero_x ; p > 0; p = p - x2step){\
		5019	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5020	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5021	};\
		5022	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5023	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5024	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5025	};\
		5026	for(var p = zero_y ; p > 0; p = p - y2step){\
		5027	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5028	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5029	};\
		5030	ctx.stroke();\
		5031	ctx.closePath();\
		5032	if( use_axis_numbering == 1 ){\
		5033	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5034	if( x_strings != null ){\
		5035	var f = 1.4;\
		5036	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5037	for(var p = 0 ; p < len ; p = p+2){\
		5038	var x_nums = x2px(eval(x_strings[p]));\
		5039	var x_text = x_strings[p+1];\
		5040	corr = ctx.measureText(x_text).width;\
		5041	skip = 1.2*corr/xstep;\
		5042	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5043	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5044	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5045	}\
		5046	}\
		5047	else\
		5048	{\
7654	schaersvoo	5049	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5050	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5051	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5052	if(skip == 0 ){\
		5053	disp_cnt = cnt.toFixed(prec);\
		5054	corr = ctx.measureText(disp_cnt).width;\
		5055	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5056	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5057	}\
		5058	else\
		5059	{\
		5060	skip--;\
		5061	};\
		5062	cnt = cnt + xmajor;\
		5063	};\
7654	schaersvoo	5064	cnt = px2x(zero_x);skip = 1;\
		5065	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5066	if(skip == 0 ){\
		5067	disp_cnt = cnt.toFixed(prec);\
		5068	corr = ctx.measureText(disp_cnt).width;\
		5069	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5070	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5071	}\
		5072	else\
		5073	{\
		5074	skip--;\
		5075	};\
		5076	cnt = cnt - xmajor;\
		5077	};\
		5078	};\
		5079	if( y_strings != null ){\
		5080	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5081	for(var p = 0 ; p < len ; p = p+2){\
		5082	var y_nums = y2px(eval(y_strings[p]));\
		5083	var y_text = y_strings[p+1];\
		5084	var f = 1.4;\
		5085	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5086	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5087	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5088	};\
		5089	}\
		5090	else\
		5091	{\
7654	schaersvoo	5092	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5093	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5094	if(skip == 0 ){\
		5095	skip = parseInt(1.4*font_size/ystep);\
		5096	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5097	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5098	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5099	}\
		5100	else\
		5101	{\
		5102	skip--;\
		5103	};\
		5104	cnt = cnt - ymajor;\
		5105	}\
7654	schaersvoo	5106	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5107	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5108	if(skip == 0 ){\
		5109	skip = parseInt(1.4*font_size/ystep);\
		5110	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5111	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5112	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5113	}\
		5114	else\
		5115	{\
		5116	skip--;\
		5117	};\
		5118	cnt = cnt + ymajor;\
		5119	}\
		5120	};\
		5121	};\
		5122	ctx.strokeStyle = stroke_color;\
		5123	ctx.lineWidth = 2;\
		5124	ctx.beginPath();\
		5125	ctx.rect(0,0,xsize,ysize);\
		5126	ctx.closePath();\
		5127	ctx.stroke();\
		5128	};\
		5129	if( typeof linegraph_0 !== 'undefined' ){\
		5130	ctx.restore();\
		5131	ctx.save();\
		5132	ctx.globalAlpha = 1.0;\
		5133	var i = 0;\
		5134	var line_name = eval('linegraph_'+i);\
		5135	while ( typeof line_name !== 'undefined' ){\
		5136	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5137	ctx.lineWidth = parseInt(line_name[1]);\
		5138	if(line_name[2] == \"1\"){\
		5139	var d1 = parseInt(line_name[3]);\
		5140	var d2 = parseInt(line_name[4]);\
		5141	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5142	}\
		5143	else\
		5144	{\
		5145	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5146	if(ctx.mozDash){ctx.mozDash = null;}\
		5147	};\
		5148	var data_x = new Array();\
		5149	var data_y = new Array();\
		5150	var lb = line_name.length;\
		5151	var idx = 0;\
		5152	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5153	data_x[idx] = x2px(line_name[p]);\
		5154	data_y[idx] = y2px(line_name[p+1]);\
		5155	idx++;\
		5156	};\
		5157	for( var p = 0; p < idx ; p++){\
		5158	ctx.beginPath();\
		5159	ctx.moveTo(data_x[p],data_y[p]);\
		5160	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5161	ctx.stroke();\
		5162	ctx.closePath();\
		5163	};\
		5164	i++;\
		5165	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5166	};\
		5167	};\
		5168	var barcolor = new Array();\
		5169	if( typeof barchart%d !== 'undefined' ){\
		5170	ctx.restore();\
		5171	ctx.save();\
		5172	ctx.globalAlpha = 1.0;\
		5173	var bar_x = new Array();\
		5174	var bar_y = new Array();\
		5175	var lb = barchart%d.length;\
		5176	var idx = 0;\
		5177	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5178	bar_x[idx] = x2px(barchart%d[p]);\
		5179	bar_y[idx] = y2px(barchart%d[p+1]);\
		5180	barcolor[idx] = barchart%d[p+2];\
		5181	idx++;\
		5182	};\
		5183	var dx = parseInt(0.6*xstep);\
		5184	ctx.globalAlpha = fill_opacity;\
		5185	for( var p = 0; p < idx ; p++ ){\
		5186	ctx.beginPath();\
		5187	ctx.strokeStyle = barcolor[p];\
		5188	ctx.fillStyle = barcolor[p];\
		5189	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5190	ctx.fill();\
		5191	ctx.stroke();\
		5192	ctx.closePath();\
		5193	};\
		5194	};\
		5195	if( typeof legend%d !== 'undefined' ){\
		5196	ctx.globalAlpha = 1.0;\
		5197	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5198	var y_offset = 2*font_size;\
		5199	var txt;var txt_size;\
		5200	var x_offset = xsize - 2*font_size;\
		5201	var l_length = legend%d.length;\
		5202	if( typeof legendcolors%d !== 'undefined' ){\
		5203	for(var p = 0 ; p < l_length ; p++){\
		5204	barcolor[p] = legendcolors%d[p];\
		5205	};\
		5206	}else{\
		5207	if( barcolor.length == 0 ){\
		5208	for(var p = 0 ; p < l_length ; p++){\
		5209	barcolor[p] = stroke_color;\
		5210	};\
		5211	};\
		5212	};\
		5213	for(var p = 0; p < l_length; p++){\
		5214	ctx.fillStyle = barcolor[p];\
		5215	txt = legend%d[p];\
		5216	txt_size = ctx.measureText(txt).width;\
		5217	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5218	y_offset = parseInt(y_offset + 1.5*font_size);\
		5219	};\
		5220	};\
		5221	ctx.restore();\
		5222	return;\
7653	schaersvoo	5223	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5224	break;
		5225
		5226	case DRAW_PIECHART:
		5227	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5228	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5229	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5230	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5231	}\
		5232	else\
		5233	{\
		5234	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5235	};\
		5236	var ld = data_color_list.length;\
		5237	var sum = 0;\
		5238	var idx = 0;\
		5239	var colors = new Array();\
		5240	var data = new Array();\
		5241	for(var p = 0;p < ld; p = p + 2){\
		5242	data[idx] = parseFloat(data_color_list[p]);\
		5243	sum = sum + data[idx];\
		5244	colors[idx] = data_color_list[p+1];\
		5245	idx++;\
		5246	};\
		5247	var ctx = obj.getContext(\"2d\");\
		5248	ctx.save();\
		5249	var angle;\
		5250	var angle_end = 0;\
		5251	var offset = Math.PI / 2;\
		5252	ctx.globalAlpha = fill_opacity;\
		5253	for(var p=0; p < idx; p++){\
		5254	ctx.beginPath();\
		5255	ctx.fillStyle = colors[p];\
		5256	ctx.moveTo(x_center,y_center);\
		5257	angle = Math.PI * (2 * data[p] / sum);\
		5258	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5259	ctx.lineTo(x_center, y_center);\
		5260	ctx.fill();\
		5261	ctx.closePath();\
		5262	angle_end = angle_end + angle;\
		5263	};\
		5264	if( typeof legend%d !== 'undefined' ){\
		5265	ctx.globalAlpha = 1.0;\
		5266	ctx.font = font_size+\"px \"+font_family;\
		5267	var y_offset = font_size; \
		5268	var x_offset = 0;\
		5269	var txt;var txt_size;\
		5270	for(var p = 0; p < idx; p++){\
		5271	ctx.fillStyle = colors[p];\
		5272	txt = legend%d[p];\
		5273	txt_size = ctx.measureText(txt).width;\
		5274	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5275	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5276	y_offset = parseInt(y_offset + 1.5*font_size);\
		5277	};\
		5278	};\
		5279	ctx.restore();\
7653	schaersvoo	5280	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5281
		5282	break;
		5283	case DRAW_ARCS:
		5284	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5285	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){\
		5286	var obj;\
		5287	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5288	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5289	}\
		5290	else\
		5291	{\
		5292	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5293	};\
		5294	var ctx = obj.getContext(\"2d\");\
		5295	ctx.save();\
		5296	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5297	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5298	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5299	if(end < start){var tmp = end;end = start;start=tmp;};\
		5300	start=360-start;\
		5301	end=360-end;\
		5302	ctx.lineWidth = line_width;\
		5303	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5304	if( use_filled == 1 ){\
		5305	ctx.beginPath();\
		5306	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5307	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5308	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5309	var x2 = xc + rMath.cos(Math.PIend/180);\
		5310	var y2 = yc + rMath.sin(Math.PIend/180);\
		5311	ctx.beginPath();\
		5312	ctx.moveTo(x1,y1);\
		5313	ctx.lineTo(xc,yc);\
		5314	ctx.moveTo(xc,yc);\
		5315	ctx.lineTo(x2,y2);\
		5316	ctx.closePath();\
		5317	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5318	ctx.fill();\
		5319	ctx.stroke();\
		5320	}\
		5321	else\
		5322	{\
		5323	ctx.beginPath();\
		5324	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5325	ctx.stroke();\
		5326	ctx.closePath();\
		5327	}\
		5328	ctx.restore();\
7653	schaersvoo	5329	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5330
		5331	break;
		5332	case DRAW_TEXTS:
		5333	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5334	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5335	var obj;\
		5336	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5337	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5338	}\
		5339	else\
		5340	{\
		5341	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5342	};\
		5343	var ctx = obj.getContext(\"2d\");\
		5344	if(angle2 == 0 && angle != 0){\
		5345	ctx.save();\
		5346	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5347	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5348	};\
		5349	if( font_family.indexOf('px') != null ){\
		5350	ctx.font = font_family;\
		5351	}\
		5352	else\
		5353	{\
		5354	ctx.font = \"+font_size+'px '+font_family \";\
		5355	};\
		5356	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5357	if(angle2 != 0){\
		5358	ctx.save();\
		5359	ctx.translate(x,y);\
		5360	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5361	ctx.fillText(text,0,0);\
		5362	ctx.restore();\
		5363	}else{ctx.fillText(text,x,y);};\
		5364	ctx.restore();\
		5365	return;\
7653	schaersvoo	5366	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5367
		5368	break;
		5369	case DRAW_CURVE:
		5370	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5371	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){\
		5372	var obj;\
		5373	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5374	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5375	}\
		5376	else\
		5377	{\
		5378	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5379	};\
		5380	var ctx = obj.getContext(\"2d\");\
		5381	ctx.save();\
		5382	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5383	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5384	ctx.beginPath();ctx.lineWidth = line_width;\
		5385	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5386	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5387	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5388	for(var p = 1 ; p < x_points.length ; p++){\
		5389	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5390	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5391	}\
		5392	else\
		5393	{\
		5394	ctx.stroke();\
		5395	ctx.beginPath();\
		5396	p++;\
		5397	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5398	};\
		5399	};\
		5400	ctx.stroke();\
		5401	ctx.restore();\
7653	schaersvoo	5402	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5403	break;
		5404
		5405	case DRAW_INPUTS:
		5406	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5407	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5408	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5409	var input = document.createElement(\"input\");\
		5410	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5411	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5412	input.setAttribute(\"size\",size);\
		5413	input.setAttribute(\"value\",value);\
		5414	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5415	canvas_div.appendChild(input);};");
7614	schaersvoo	5416	break;
		5417
		5418	case DRAW_TEXTAREAS:
		5419	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5420	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5421	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5422	var textarea = document.createElement(\"textarea\");\
		5423	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5424	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5425	textarea.setAttribute(\"cols\",cols);\
		5426	textarea.setAttribute(\"rows\",rows);\
		5427	textarea.innerHTML = value;\
7653	schaersvoo	5428	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5429	break;
		5430
		5431	case DRAW_PIXELS:
		5432	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5433	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5434	var canvas = create_canvas%d(10,xsize,ysize);\
		5435	var d = 0.5*pixelsize;\
		5436	var ctx = canvas.getContext(\"2d\");\
		5437	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5438	ctx.clearRect(0,0,xsize,ysize);\
		5439	for(var p=0; p<x.length;p++){\
		5440	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5441	};\
		5442	ctx.fill();ctx.stroke();\
		5443	};",canvas_root_id);
		5444	break;
		5445
		5446	case DRAW_CLOCK:
		5447	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5448	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5449	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5450	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5451	clock_ctx.save();\
		5452	this.type = type \|\| 0;\
		5453	this.interaction = interaction \|\| 0;\
		5454	this.H = H \|\| parseInt(110*(Math.random()));\
		5455	this.M = M \|\| parseInt(590*(Math.random()));\
		5456	this.S = S \|\| parseInt(590*(Math.random()));\
		5457	this.xc = xc \|\| xsize/2;\
		5458	this.yc = yc \|\| ysize/2;\
		5459	this.radius = radius \|\| xsize/4;\
		5460	var font_size = parseInt(0.2*this.radius);\
		5461	this.H_color = h_color \|\| \"blue\";\
		5462	this.M_color = m_color \|\| \"blue\";\
		5463	this.S_color = s_color \|\| \"blue\";\
		5464	this.fg_color = fg_color \|\| \"red\";\
		5465	this.bg_color = bg_color \|\| \"white\";\
		5466	clock_ctx.translate(this.xc,this.yc);\
		5467	clock_ctx.beginPath();\
		5468	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5469	clock_ctx.fillStyle = this.bg_color;\
		5470	clock_ctx.fill();\
		5471	clock_ctx.closePath();\
		5472	clock_ctx.beginPath();\
		5473	clock_ctx.font = font_size+\"px Arial\";\
		5474	clock_ctx.fillStyle = this.fg_color;\
		5475	clock_ctx.textAlign = \"center\";\
		5476	clock_ctx.textBaseline = 'middle';\
		5477	var angle;var x1,y1,x2,y2;\
		5478	var angle_cos;var angle_sin;\
		5479	switch(type){\
		5480	case 0:clock_ctx.beginPath();\
		5481	for(var p = 1; p <= 12 ; p++){\
		5482	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5483	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5484	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5485	clock_ctx.moveTo(x1,y1);\
		5486	clock_ctx.lineTo(x2,y2);\
		5487	};\
		5488	for(var p = 1; p <= 60 ; p++){\
		5489	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5490	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5491	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5492	clock_ctx.moveTo(x1,y1);\
		5493	clock_ctx.lineTo(x2,y2);\
		5494	};\
		5495	clock_ctx.closePath();\
		5496	clock_ctx.stroke();\
		5497	break;\
		5498	case 1:\
		5499	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;\
		5500	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);};\
		5501	clock_ctx.beginPath();\
		5502	for(var p = 1; p <= 12 ; p++){\
		5503	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5504	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5505	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5506	clock_ctx.moveTo(x1,y1);\
		5507	clock_ctx.lineTo(x2,y2);\
		5508	};\
		5509	for(var p = 1; p <= 60 ; p++){\
		5510	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5511	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5512	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5513	clock_ctx.moveTo(x1,y1);\
		5514	clock_ctx.lineTo(x2,y2);\
		5515	};\
		5516	clock_ctx.closePath();\
		5517	clock_ctx.stroke();\
		5518	break;\
		5519	};\
		5520	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5521	clock_ctx.rotate(angle);\
		5522	clock_ctx.beginPath();\
		5523	clock_ctx.moveTo(-3, -2);\
		5524	clock_ctx.lineTo(-3, 2);\
		5525	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5526	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5527	clock_ctx.fillStyle = this.H_color;\
		5528	clock_ctx.fill();\
		5529	clock_ctx.rotate(-angle);\
		5530	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5531	clock_ctx.rotate(angle);\
		5532	clock_ctx.beginPath();\
		5533	clock_ctx.moveTo(-3, -2);\
		5534	clock_ctx.lineTo(-3, 2);\
		5535	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5536	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5537	clock_ctx.fillStyle = this.M_color;\
		5538	clock_ctx.fill();\
		5539	clock_ctx.rotate(-angle);\
		5540	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5541	clock_ctx.rotate(angle);\
		5542	clock_ctx.beginPath();\
		5543	clock_ctx.moveTo(0,0);\
		5544	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5545	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5546	clock_ctx.strokeStyle = this.S_color;\
		5547	clock_ctx.stroke();\
		5548	clock_ctx.restore();\
7653	schaersvoo	5549	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5550	break;
		5551
		5552	case DRAW_LATTICE:
		5553	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5554	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){\
		5555	var obj;\
		5556	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5557	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5558	}\
		5559	else\
		5560	{\
		5561	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5562	};\
		5563	var ctx = obj.getContext(\"2d\");\
		5564	ctx.save();\
		5565	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5566	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5567	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5568	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5569	var radius = line_width;\
		5570	var x = 0;\
		5571	var y = 0;\
		5572	var x_step_px = xsize/(xmax-xmin);\
		5573	var y_step_px = ysize/(ymax-ymin);\
		5574	var xv1 = dx1*x_step_px;\
		5575	var yv1 = dy1*y_step_px;\
		5576	var xv2 = dx2*x_step_px;\
		5577	var yv2 = dy2*y_step_px;\
		5578	for(var p = 0; p < n1 ;p++){\
		5579	x = p*xv1 + x0;\
		5580	y = p*yv1 + y0;\
		5581	for(var c = 0; c < n2 ; c++){\
		5582	ctx.beginPath();\
		5583	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5584	ctx.fill();\
		5585	ctx.stroke();\
		5586	ctx.closePath();\
		5587	};\
		5588	};\
		5589	ctx.restore();\
		5590	return;\
7653	schaersvoo	5591	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5592	break;
7735	schaersvoo	5593	case DRAW_XYLOGSCALE:
		5594	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5595	draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,precision){\n\
7735	schaersvoo	5596	var obj;\n\
		5597	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5598	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5599	}\n\
		5600	else\n\
		5601	{\n\
		5602	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5603	};\n\
		5604	var ctx = obj.getContext(\"2d\");\n\
		5605	ctx.clearRect(0,0,xsize,ysize);\
		5606	ctx.save();\n\
7739	schaersvoo	5607	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5608	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5609	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5610	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5611	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5612	if(use_axis_numbering == 1){\
		5613	ctx.font = font_family;\n\
		5614	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5615	ymarge = parseInt(1.5*font_size);\n\
		5616	ctx.save();\n\
		5617	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5618	ctx.rect(0,0,xmarge,ysize);\n\
		5619	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5620	ctx.fill();\n\
		5621	ctx.restore();\n\
		5622	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5623	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5624	ctx.save();\n\
		5625	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5626	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5627	corr = ctx.measureText(xaxislabel).width;\n\
		5628	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5629	ctx.restore();\n\
		5630	};\n\
7735	schaersvoo	5631	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5632	ctx.save();\n\
		5633	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5634	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5635	corr = ctx.measureText(yaxislabel).width;\n\
		5636	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5637	ctx.rotate(-0.5*Math.PI);\n\
		5638	ctx.fillText(yaxislabel,0,0);\n\
		5639	ctx.restore();\n\
		5640	};\n\
		5641	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5642	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5643	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5644	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5645	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5646	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5647	if( i == 1 ){\
7739	schaersvoo	5648	ctx.lineWidth = line_width;\n\n\
		5649	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5650	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5651	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5652	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5653	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5654	};\n\
7735	schaersvoo	5655	}else{\
7739	schaersvoo	5656	ctx.lineWidth = 0.2*line_width;\n\n\
		5657	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5658	};\n\
7738	schaersvoo	5659	if( x_e >= xmarge ){\
		5660	ctx.beginPath();\n\
		5661	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5662	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5663	ctx.stroke();\n\
		5664	ctx.closePath();\n\
		5665	};\
7735	schaersvoo	5666	};\n\
		5667	};\n\
		5668	for(var p = y_min; p <= y_max ; p++){\n\
		5669	num = Math.pow(ylogbase,p);\n\
		5670	for(var i = 1 ; i < ylogbase ; i++){\n\
		5671	y_e = y2px(i*num);\n\
7739	schaersvoo	5672	if( i == 1 ){\n\
7735	schaersvoo	5673	ctx.lineWidth = line_width;\n\
		5674	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5675	if( use_axis_numbering == 1 && p > y_min){\n\
		5676	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5677	};\n\
		5678	}else{\n\
7735	schaersvoo	5679	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5680	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5681	};\n\
7735	schaersvoo	5682	ctx.beginPath();\n\
7738	schaersvoo	5683	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5684	ctx.lineTo(xsize,y_e);\n\
		5685	ctx.stroke();\n\
		5686	ctx.closePath();\n\
		5687	};\n\
		5688	};\n\
		5689	ctx.restore();\
		5690	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5691	break;
7614	schaersvoo	5692
7735	schaersvoo	5693	case DRAW_XLOGSCALE:
		5694	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5695	draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,ymajor,yminor,precision){\n\
7735	schaersvoo	5696	var obj;\n\
		5697	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5698	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5699	}\n\
		5700	else\n\
		5701	{\n\
		5702	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5703	};\n\
		5704	var ctx = obj.getContext(\"2d\");\n\
		5705	ctx.clearRect(0,0,xsize,ysize);\
		5706	ctx.save();\n\
		5707	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5708	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5709	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5710	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5711	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5712	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5713	if(use_axis_numbering == 1){\
		5714	ctx.font = font_family;\n\
		5715	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5716	ymarge = parseInt(1.5*font_size);\n\
		5717	ctx.save();\n\
		5718	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5719	ctx.rect(0,0,xmarge,ysize);\n\
		5720	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5721	ctx.fill();\n\
		5722	ctx.restore();\n\
		5723	}else{xmarge = 0;ymarge = 0;};\n\
		5724	if( typeof xaxislabel !== 'undefined' ){\
		5725	ctx.save();\n\
		5726	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5727	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5728	corr = ctx.measureText(xaxislabel).width;\n\
		5729	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5730	ctx.restore();\n\
		5731	};\n\
		5732	if( typeof yaxislabel !== 'undefined' ){\
		5733	ctx.save();\n\
		5734	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5735	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5736	corr = ctx.measureText(yaxislabel).width;\n\
		5737	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5738	ctx.rotate(-0.5*Math.PI);\n\
		5739	ctx.fillText(yaxislabel,0,0);\n\
		5740	ctx.restore();\n\
		5741	};\n\
		5742	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5743	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5744	for(var p = x_min; p <= x_max ; p++){\n\
		5745	num = Math.pow(xlogbase,p);\n\
		5746	for(var i = 1 ; i < xlogbase ; i++){\n\
		5747	x_e = x2px(i*num);\n\
		5748	if( i == 1 ){\
7739	schaersvoo	5749	ctx.lineWidth = line_width;\n\
		5750	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5751	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5752	xtxt = xlogbase+'^'+p.toFixed(0);\
		5753	corr = 0.5*(ctx.measureText(xtxt).width);\
		5754	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5755	};\
		5756	}else{\
		5757	ctx.lineWidth = 0.2*line_width;\n\
		5758	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5759	};\
7739	schaersvoo	5760	if( x_e >= xmarge ){\
		5761	ctx.beginPath();\n\
		5762	ctx.moveTo(x_e,0);\n\
		5763	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5764	ctx.stroke();\n\
		5765	ctx.closePath();\n\
		5766	};\
		5767	};\
7735	schaersvoo	5768	};\n\
		5769	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5770	var minor_step = stepy / yminor;\
7749	schaersvoo	5771	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5772	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5773	ctx.lineWidth = line_width;\n\
		5774	ctx.beginPath();\n\
7739	schaersvoo	5775	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5776	ctx.lineTo(xsize,y);\n\
		5777	ctx.stroke();\n\
		5778	ctx.closePath();\n\
		5779	if( use_axis_numbering == 1){\
		5780	ytxt = (px2y(y)).toFixed(prec);\
		5781	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5782	};\
		5783	for(var dy = 1 ; dy < yminor ; dy++){\
		5784	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5785	ctx.lineWidth = 0.2*line_width;\n\
		5786	ctx.beginPath();\n\
7739	schaersvoo	5787	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5788	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5789	ctx.stroke();\n\
		5790	ctx.closePath();\n\
		5791	};\
		5792	};\
		5793	ctx.restore();\n\
		5794	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5795	break;
7729	schaersvoo	5796	case DRAW_YLOGSCALE:
		5797	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5798	draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,xmajor,xminor,precision){\n\
7729	schaersvoo	5799	var obj;\n\
		5800	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5801	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5802	}\n\
		5803	else\n\
		5804	{\n\
		5805	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5806	};\n\
		5807	var ctx = obj.getContext(\"2d\");\n\
		5808	ctx.clearRect(0,0,xsize,ysize);\
		5809	ctx.save();\n\
		5810	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5811	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5812	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5813	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5814	if(use_axis_numbering == 1){\
		5815	ctx.font = font_family;\n\
		5816	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5817	ymarge = 2*font_size;\n\
		5818	ctx.save();\n\
		5819	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5820	ctx.rect(0,0,xmarge,ysize);\n\
		5821	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5822	ctx.fill();\n\
		5823	ctx.restore();\n\
		5824	}else{xmarge = 0;ymarge = 0;};\n\
		5825	if( typeof xaxislabel !== 'undefined' ){\
		5826	ctx.save();\n\
		5827	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5828	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5829	corr = ctx.measureText(xaxislabel).width;\n\
		5830	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5831	ctx.restore();\n\
		5832	};\n\
		5833	if( typeof yaxislabel !== 'undefined' ){\
		5834	ctx.save();\n\
		5835	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5836	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5837	corr = ctx.measureText(yaxislabel).width;\n\
		5838	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5839	ctx.rotate(-0.5*Math.PI);\n\
		5840	ctx.fillText(yaxislabel,0,0);\n\
		5841	ctx.restore();\n\
		5842	};\n\
		5843	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5844	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5845	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5846	num = Math.pow(ylogbase,p);\n\
		5847	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5848	y_e = y2px(i*num);\n\
		5849	if( i == 1 ){\
		5850	ctx.lineWidth = line_width;\n\
		5851	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5852	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5853	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5854	};\
		5855	}else{\
		5856	ctx.lineWidth = 0.2*line_width;\n\
		5857	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5858	};\
		5859	ctx.beginPath();\n\
7739	schaersvoo	5860	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5861	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5862	ctx.stroke();\n\
		5863	ctx.closePath();\n\
		5864	};\n\
		5865	};\n\
		5866	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5867	var minor_step = stepx / xminor;\
		5868	var prec = Math.log(precision)/Math.log(10);\
		5869	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5870	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5871	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5872	ctx.lineWidth = line_width;\n\
		5873	ctx.beginPath();\n\
7739	schaersvoo	5874	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5875	ctx.lineTo(x,0);\n\
		5876	ctx.stroke();\n\
		5877	ctx.closePath();\n\
		5878	if( use_axis_numbering == 1){\
		5879	xtxt = (px2x(x)).toFixed(prec);\
		5880	corr = 0.5*(ctx.measureText(xtxt).width);\
		5881	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5882	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5883	};\
		5884	for(var dx = 1 ; dx < xminor ; dx++){\
		5885	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5886	ctx.lineWidth = 0.2*line_width;\n\
		5887	ctx.beginPath();\n\
7739	schaersvoo	5888	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5889	ctx.lineTo(x+dx*minor_step,0);\n\
		5890	ctx.stroke();\n\
		5891	ctx.closePath();\n\
7735	schaersvoo	5892	};\
		5893	};\
7729	schaersvoo	5894	ctx.restore();\n\
		5895	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5896
		5897	break;
7735	schaersvoo	5898
		5899
7614	schaersvoo	5900	default:break;
		5901	}
		5902	}
		5903	}
		5904	return;
		5905	}
		5906
		5907	void check_string_length(int L){
		5908	if(L<1 \|\| L > MAX_BUFFER-1){
		5909	canvas_error("problem with your arguments to command...");
		5910	}
		5911	return;
		5912	}
		5913
		5914
		5915	int get_token(FILE *infile){
		5916	int c,i=0;
		5917	char temp[MAX_INT], *input_type;
		5918	char *line="line",
		5919	*audio="audio",
		5920	*blink="blink",
		5921	*arrowhead="arrowhead",
		5922	*crosshairsize="crosshairsize",
		5923	*crosshair="crosshair",
		5924	*crosshairs="crosshairs",
		5925	*audioobject="audioobject",
		5926	*style="style",
		5927	*mouse="mouse",
		5928	*userdraw="userdraw",
		5929	*highlight="highlight",
		5930	*http="http",
		5931	*rays="rays",
		5932	*dashtype="dashtype",
		5933	*dashed="dashed",
		5934	*filled="filled",
		5935	*lattice="lattice",
		5936	*parallel="parallel",
		5937	*segment="segment",
		5938	*dsegment="dsegment",
		5939	*seg="seg",
		5940	*bgimage="bgimage",
		5941	*bgcolor="bgcolor",
		5942	*strokecolor="strokecolor",
		5943	*backgroundimage="backgroundimage",
		5944	*text="text",
		5945	*textup="textup",
		5946	*mouseprecision="mouseprecision",
		5947	*precision="precision",
		5948	*plotsteps="plotsteps",
		5949	*plotstep="plotstep",
		5950	*tsteps="tsteps",
		5951	*curve="curve",
		5952	*dcurve="dcurve",
		5953	*plot="plot",
		5954	*dplot="dplot",
7788	schaersvoo	5955	*levelcurve="levelcurve",
7614	schaersvoo	5956	*fontsize="fontsize",
		5957	*fontcolor="fontcolor",
		5958	*axis="axis",
		5959	*axisnumbering="axisnumbering",
		5960	*axisnumbers="axisnumbers",
		5961	*arrow="arrow",
		5962	*darrow="darrow",
		5963	*arrow2="arrow2",
		5964	*darrow2="darrow2",
		5965	*zoom="zoom",
		5966	*grid="grid",
		5967	*hline="hline",
7786	schaersvoo	5968	*dhline="dhline",
7614	schaersvoo	5969	*drag="drag",
		5970	*horizontalline="horizontalline",
		5971	*vline="vline",
7786	schaersvoo	5972	*dvline="dvline",
7614	schaersvoo	5973	*verticalline="verticalline",
		5974	*triangle="triangle",
		5975	*ftriangle="ftriangle",
		5976	*mathml="mathml",
		5977	*html="html",
		5978	*input="input",
		5979	*button="button",
		5980	*inputstyle="inputstyle",
		5981	*textarea="textarea",
		5982	*trange="trange",
		5983	*ranget="ranget",
		5984	*xrange="xrange",
		5985	*yrange="yrange",
		5986	*rangex="rangex",
		5987	*rangey="rangey",
		5988	*polyline="polyline",
		5989	*lines="lines",
		5990	*poly="poly",
		5991	*polygon="polygon",
		5992	*fpolygon="fpolygon",
		5993	*fpoly="fpoly",
		5994	*filledpoly="filledpoly",
		5995	*filledpolygon="filledpolygon",
		5996	*rect="rect",
		5997	*frect="frect",
		5998	*rectangle="rectangle",
		5999	*frectangle="frectangle",
		6000	*square="square",
		6001	*fsquare="fsquare",
		6002	*dline="dline",
		6003	*arc="arc",
		6004	*filledarc="filledarc",
		6005	*size="size",
		6006	*string="string",
		6007	*stringup="stringup",
		6008	*copy="copy",
		6009	*copyresized="copyresized",
		6010	*opacity="opacity",
		6011	*transparent="transparent",
		6012	*fill="fill",
		6013	*slider="slider",
		6014	*point="point",
		6015	*points="points",
		6016	*linewidth="linewidth",
		6017	*circle="circle",
		6018	*fcircle="fcircle",
		6019	*disk="disk",
		6020	*comment="#",
		6021	*end="end",
		6022	*ellipse="ellipse",
		6023	*fellipse="fellipse",
		6024	*rotate="rotate",
7785	schaersvoo	6025	*affine="affine",
		6026	*killaffine="killaffine",
7614	schaersvoo	6027	*fontfamily="fontfamily",
		6028	*fillcolor="fillcolor",
		6029	*clicktile="clicktile",
		6030	*clicktile_colors="clicktile_colors",
		6031	*translation="translation",
		6032	*translate="translate",
		6033	*killtranslation="killtranslation",
		6034	*killtranslate="killtranslate",
		6035	*onclick="onclick",
		6036	*roundrect="roundrect",
		6037	*froundrect="froundrect",
		6038	*roundrectangle="roundrectangle",
		6039	*patternfill="patternfill",
		6040	*hatchfill="hatchfill",
		6041	*diafill="diafill",
7647	schaersvoo	6042	*diamondfill="diamondfill",
7614	schaersvoo	6043	*dotfill="dotfill",
		6044	*gridfill="gridfill",
		6045	*imagefill="imagefill",
7735	schaersvoo	6046	*xlogbase="xlogbase",
		6047	*ylogbase="ylogbase",
7614	schaersvoo	6048	*xlogscale="xlogscale",
		6049	*ylogscale="ylogscale",
		6050	*xylogscale="xylogscale",
		6051	*intooltip="intooltip",
		6052	*replyformat="replyformat",
		6053	*floodfill="floodfill",
		6054	*filltoborder="filltoborder",
		6055	*clickfill="clickfill",
		6056	*setpixel="setpixel",
		6057	*pixels="pixels",
		6058	*pixelsize="pixelsize",
		6059	*clickfillmarge="clickfillmarge",
		6060	*xaxis="xaxis",
		6061	*yaxis="yaxis",
		6062	*xaxistext="xaxistext",
		6063	*yaxistext="yaxistext",
		6064	*piechart="piechart",
		6065	*legend="legend",
		6066	*legendcolors="legendcolors",
		6067	*xlabel="xlabel",
		6068	*ylabel="ylabel",
		6069	*barchart="barchart",
		6070	*linegraph="linegraph",
		6071	*clock="clock",
		6072	*animate="animate",
		6073	*video="video",
		6074	*status="status",
7652	schaersvoo	6075	*snaptogrid="snaptogrid",
7784	schaersvoo	6076	*xsnaptogrid="xsnaptogrid",
		6077	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6078	*userinput_xy="userinput_xy",
7663	schaersvoo	6079	*usertextarea_xy="usertextarea_xy",
7654	schaersvoo	6080	*sgraph="sgraph";
7614	schaersvoo	6081
		6082	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6083	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6084	continue; /* white spaces or tabs allowed before first command identifier */
		6085	}
		6086	else
		6087	{
		6088	if( c == ' ' \|\| c == '\t' ){
		6089	break;
		6090	}
		6091	else
		6092	{
		6093	temp[i] = c;
		6094	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6095	i++;
		6096	}
		6097	}
		6098	if(temp[0] == '#') break;
		6099	}
		6100	if (c == EOF) finished = 1;
		6101
		6102	if (c == '\n' \|\| c == '\r') {
		6103	line_number++;
		6104	if (i == 0) { return EMPTY; }
		6105	} else if (c == EOF) {
		6106	return 0;
		6107	}
		6108
		6109	temp[i]='\0';
		6110	input_type=(char*)my_newmem(strlen(temp));
		6111	snprintf(input_type,sizeof(temp),"%s",temp);
		6112
		6113	if( strcmp(input_type, size) == 0 ){
		6114	free(input_type);
		6115	return SIZE;
		6116	}
		6117	if( strcmp(input_type, xrange) == 0 ){
		6118	free(input_type);
		6119	return XRANGE;
		6120	}
		6121	if( strcmp(input_type, rangex) == 0 ){
		6122	free(input_type);
		6123	return XRANGE;
		6124	}
		6125	if( strcmp(input_type, trange) == 0 ){
		6126	free(input_type);
		6127	return TRANGE;
		6128	}
		6129	if( strcmp(input_type, ranget) == 0 ){
		6130	free(input_type);
		6131	return TRANGE;
		6132	}
		6133	if( strcmp(input_type, yrange) == 0 ){
		6134	free(input_type);
		6135	return YRANGE;
		6136	}
		6137	if( strcmp(input_type, rangey) == 0 ){
		6138	free(input_type);
		6139	return YRANGE;
		6140	}
		6141	if( strcmp(input_type, linewidth) == 0 ){
		6142	free(input_type);
		6143	return LINEWIDTH;
		6144	}
		6145	if( strcmp(input_type, dashed) == 0 ){
		6146	free(input_type);
		6147	return DASHED;
		6148	}
		6149	if( strcmp(input_type, dashtype) == 0 ){
		6150	free(input_type);
		6151	return DASHTYPE;
		6152	}
		6153	if( strcmp(input_type, axisnumbering) == 0 ){
		6154	free(input_type);
		6155	return AXIS_NUMBERING;
		6156	}
		6157	if( strcmp(input_type, axisnumbers) == 0 ){
		6158	free(input_type);
		6159	return AXIS_NUMBERING;
		6160	}
		6161	if( strcmp(input_type, axis) == 0 ){
		6162	free(input_type);
		6163	return AXIS;
		6164	}
		6165	if( strcmp(input_type, grid) == 0 ){
		6166	free(input_type);
		6167	return GRID;
		6168	}
		6169	if( strcmp(input_type, parallel) == 0 ){
		6170	free(input_type);
		6171	return PARALLEL;
		6172	}
		6173	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6174	free(input_type);
		6175	return HLINE;
		6176	}
		6177	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6178	free(input_type);
		6179	return VLINE;
		6180	}
		6181	if( strcmp(input_type, line) == 0 ){
		6182	free(input_type);
		6183	return LINE;
		6184	}
		6185	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6186	free(input_type);
		6187	return SEGMENT;
		6188	}
		6189	if( strcmp(input_type, dsegment) == 0 ){
		6190	free(input_type);
		6191	use_dashed = TRUE;
		6192	return SEGMENT;
		6193	}
		6194	if( strcmp(input_type, crosshairsize) == 0 ){
		6195	free(input_type);
		6196	return CROSSHAIRSIZE;
		6197	}
		6198	if( strcmp(input_type, arrowhead) == 0 ){
		6199	free(input_type);
		6200	return ARROWHEAD;
		6201	}
		6202	if( strcmp(input_type, crosshairs) == 0 ){
		6203	free(input_type);
		6204	return CROSSHAIRS;
		6205	}
		6206	if( strcmp(input_type, crosshair) == 0 ){
		6207	free(input_type);
		6208	return CROSSHAIR;
		6209	}
		6210	if( strcmp(input_type, onclick) == 0 ){
		6211	free(input_type);
		6212	return ONCLICK;
		6213	}
		6214	if( strcmp(input_type, drag) == 0 ){
		6215	free(input_type);
		6216	return DRAG;
		6217	}
		6218	if( strcmp(input_type, userdraw) == 0 ){
		6219	free(input_type);
		6220	return USERDRAW;
		6221	}
		6222	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6223	free(input_type);
		6224	return STYLE;
		6225	}
		6226	if( strcmp(input_type, fillcolor) == 0 ){
		6227	free(input_type);
		6228	return FILLCOLOR;
		6229	}
		6230	if( strcmp(input_type, strokecolor) == 0 ){
		6231	free(input_type);
		6232	return STROKECOLOR;
		6233	}
		6234	if( strcmp(input_type, filled) == 0 ){
		6235	free(input_type);
		6236	return FILLED;
		6237	}
		6238	if( strcmp(input_type, http) == 0 ){
		6239	free(input_type);
		6240	return HTTP;
		6241	}
		6242	if( strcmp(input_type, rays) == 0 ){
		6243	free(input_type);
		6244	return RAYS;
		6245	}
		6246	if( strcmp(input_type, lattice) == 0 ){
		6247	free(input_type);
		6248	return LATTICE;
		6249	}
		6250	if( strcmp(input_type, bgimage) == 0 ){
		6251	free(input_type);
		6252	return BGIMAGE;
		6253	}
		6254	if( strcmp(input_type, bgcolor) == 0 ){
		6255	free(input_type);
		6256	return BGCOLOR;
		6257	}
		6258	if( strcmp(input_type, backgroundimage) == 0 ){
		6259	free(input_type);
		6260	return BGIMAGE;
		6261	}
		6262	if( strcmp(input_type, text) == 0 ){
		6263	free(input_type);
		6264	return FLY_TEXT;
		6265	}
		6266	if( strcmp(input_type, textup) == 0 ){
		6267	free(input_type);
		6268	return FLY_TEXTUP;
		6269	}
		6270	if( strcmp(input_type, mouse) == 0 ){
		6271	free(input_type);
		6272	return MOUSE;
		6273	}
		6274	if( strcmp(input_type, mouseprecision) == 0 ){
		6275	free(input_type);
		6276	return MOUSE_PRECISION;
		6277	}
		6278	if( strcmp(input_type, precision) == 0 ){
		6279	free(input_type);
		6280	return MOUSE_PRECISION;
		6281	}
		6282	if( strcmp(input_type, curve) == 0 ){
		6283	free(input_type);
		6284	return CURVE;
		6285	}
		6286	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6287	use_dashed = TRUE;
7614	schaersvoo	6288	free(input_type);
		6289	return CURVE;
		6290	}
		6291	if( strcmp(input_type, plot) == 0 ){
		6292	free(input_type);
		6293	return CURVE;
		6294	}
		6295	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6296	use_dashed = TRUE;
7614	schaersvoo	6297	free(input_type);
		6298	return CURVE;
		6299	}
7788	schaersvoo	6300	if( strcmp(input_type, levelcurve) == 0 ){
		6301	free(input_type);
		6302	return LEVELCURVE;
		6303	}
7614	schaersvoo	6304	if( strcmp(input_type, plotsteps) == 0 ){
		6305	free(input_type);
		6306	return PLOTSTEPS;
		6307	}
		6308	if( strcmp(input_type, plotstep) == 0 ){
		6309	free(input_type);
		6310	return PLOTSTEPS;
		6311	}
		6312	if( strcmp(input_type, tsteps) == 0 ){
		6313	free(input_type);
		6314	return PLOTSTEPS;
		6315	}
		6316	if( strcmp(input_type, fontsize) == 0 ){
		6317	free(input_type);
		6318	return FONTSIZE;
		6319	}
		6320	if( strcmp(input_type, fontcolor) == 0 ){
		6321	free(input_type);
		6322	return FONTCOLOR;
		6323	}
		6324	if( strcmp(input_type, arrow) == 0 ){
		6325	free(input_type);
		6326	return ARROW;
		6327	}
		6328	if( strcmp(input_type, arrow2) == 0 ){
		6329	free(input_type);
		6330	return ARROW2;
		6331	}
		6332	if( strcmp(input_type, darrow) == 0 ){
		6333	free(input_type);
		6334	return ARROW;
		6335	}
		6336	if( strcmp(input_type, darrow2) == 0 ){
		6337	free(input_type);
		6338	use_dashed = TRUE;
		6339	return ARROW2;
		6340	}
		6341	if( strcmp(input_type, zoom) == 0 ){
		6342	free(input_type);
		6343	return ZOOM;
		6344	}
		6345	if( strcmp(input_type, triangle) == 0 ){
		6346	free(input_type);
		6347	return TRIANGLE;
		6348	}
		6349	if( strcmp(input_type, ftriangle) == 0 ){
		6350	free(input_type);
		6351	use_filled = TRUE;
		6352	return TRIANGLE;
		6353	}
		6354	if( strcmp(input_type, input) == 0 ){
		6355	free(input_type);
		6356	return INPUT;
		6357	}
		6358	if( strcmp(input_type, inputstyle) == 0 ){
		6359	free(input_type);
		6360	return INPUTSTYLE;
		6361	}
		6362	if( strcmp(input_type, textarea) == 0 ){
		6363	free(input_type);
		6364	return TEXTAREA;
		6365	}
		6366	if( strcmp(input_type, mathml) == 0 ){
		6367	free(input_type);
		6368	return MATHML;
		6369	}
		6370	if( strcmp(input_type, html) == 0 ){
		6371	free(input_type);
		6372	return MATHML;
		6373	}
		6374	if( strcmp(input_type, fontfamily) == 0 ){
		6375	free(input_type);
		6376	return FONTFAMILY;
		6377	}
		6378	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6379	free(input_type);
		6380	return POLYLINE;
		6381	}
		6382	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6383	free(input_type);
		6384	return RECT;
		6385	}
		6386	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6387	free(input_type);
		6388	return ROUNDRECT;
		6389	}
		6390	if( strcmp(input_type, froundrect) == 0 ){
		6391	free(input_type);
		6392	use_filled = TRUE;
		6393	return ROUNDRECT;
		6394	}
		6395	if( strcmp(input_type, square) == 0 ){
		6396	free(input_type);
		6397	return SQUARE;
		6398	}
		6399	if( strcmp(input_type, fsquare) == 0 ){
		6400	free(input_type);
		6401	use_filled = TRUE;
		6402	return SQUARE;
		6403	}
		6404	if( strcmp(input_type, dline) == 0 ){
		6405	use_dashed = TRUE;
		6406	free(input_type);
		6407	return LINE;
		6408	}
7786	schaersvoo	6409	if( strcmp(input_type, dvline) == 0 ){
		6410	use_dashed = TRUE;
		6411	free(input_type);
		6412	return VLINE;
		6413	}
		6414	if( strcmp(input_type, dhline) == 0 ){
		6415	use_dashed = TRUE;
		6416	free(input_type);
		6417	return HLINE;
		6418	}
7614	schaersvoo	6419	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6420	use_filled = TRUE;
		6421	free(input_type);
		6422	return RECT;
		6423	}
		6424	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6425	use_filled = TRUE;
		6426	free(input_type);
		6427	return CIRCLE;
		6428	}
		6429	if( strcmp(input_type, circle) == 0 ){
		6430	free(input_type);
		6431	return CIRCLE;
		6432	}
		6433	if( strcmp(input_type, point) == 0 ){
		6434	free(input_type);
		6435	return POINT;
		6436	}
		6437	if( strcmp(input_type, points) == 0 ){
		6438	free(input_type);
		6439	return POINTS;
		6440	}
		6441	if( strcmp(input_type, filledarc) == 0 ){
		6442	use_filled = TRUE;
		6443	free(input_type);
		6444	return ARC;
		6445	}
		6446	if( strcmp(input_type, arc) == 0 ){
		6447	free(input_type);
		6448	return ARC;
		6449	}
		6450	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6451	free(input_type);
		6452	return POLY;
		6453	}
		6454	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6455	use_filled = TRUE;
		6456	free(input_type);
		6457	return POLY;
		6458	}
		6459	if( strcmp(input_type, ellipse) == 0){
		6460	free(input_type);
		6461	return ELLIPSE;
		6462	}
		6463	if( strcmp(input_type, fill) == 0 ){
		6464	free(input_type);
		6465	return FLOODFILL;
		6466	}
		6467	if( strcmp(input_type, string) == 0 ){
		6468	free(input_type);
		6469	return STRING;
		6470	}
		6471	if( strcmp(input_type, stringup) == 0 ){
		6472	free(input_type);
		6473	return STRINGUP;
		6474	}
		6475	if( strcmp(input_type, opacity) == 0 ){
		6476	free(input_type);
		6477	return OPACITY;
		6478	}
		6479	if( strcmp(input_type, comment) == 0){
		6480	free(input_type);
		6481	return COMMENT;
		6482	}
		6483	if( strcmp(input_type, end) == 0){
		6484	free(input_type);
		6485	return END;
		6486	}
		6487	if( strcmp(input_type, fellipse) == 0){
		6488	free(input_type);
		6489	use_filled = TRUE;
		6490	return ELLIPSE;
		6491	}
		6492	if( strcmp(input_type, blink) == 0 ){
		6493	free(input_type);
		6494	return BLINK;
		6495	}
		6496	if( strcmp(input_type, button) == 0){
		6497	free(input_type);
		6498	return BUTTON;
		6499	}
		6500	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6501	free(input_type);
		6502	return TRANSLATION;
		6503	}
		6504	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6505	free(input_type);
		6506	return KILLTRANSLATION;
		6507	}
		6508	if( strcmp(input_type, rotate) == 0){
		6509	free(input_type);
		6510	return ROTATE;
		6511	}
7785	schaersvoo	6512	if( strcmp(input_type, affine) == 0){
		6513	free(input_type);
		6514	return AFFINE;
		6515	}
		6516	if( strcmp(input_type, killaffine) == 0){
		6517	free(input_type);
		6518	return KILLAFFINE;
		6519	}
7614	schaersvoo	6520	if( strcmp(input_type, audio) == 0 ){
		6521	free(input_type);
		6522	return AUDIO;
		6523	}
		6524	if( strcmp(input_type, audioobject) == 0 ){
		6525	free(input_type);
		6526	return AUDIOOBJECT;
		6527	}
		6528	if( strcmp(input_type, slider) == 0 ){
		6529	free(input_type);
		6530	return SLIDER;
		6531	}
		6532	if( strcmp(input_type, copy) == 0 ){
		6533	free(input_type);
		6534	return COPY;
		6535	}
		6536	if( strcmp(input_type, copyresized) == 0 ){
		6537	free(input_type);
		6538	return COPYRESIZED;
		6539	}
		6540	if( strcmp(input_type, patternfill) == 0 ){
		6541	free(input_type);
		6542	return PATTERNFILL;
		6543	}
		6544	if( strcmp(input_type, hatchfill) == 0 ){
		6545	free(input_type);
		6546	return HATCHFILL;
		6547	}
7647	schaersvoo	6548	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6549	free(input_type);
7647	schaersvoo	6550	return DIAMONDFILL;
7614	schaersvoo	6551	}
		6552	if( strcmp(input_type, dotfill) == 0 ){
		6553	free(input_type);
		6554	return DOTFILL;
		6555	}
		6556	if( strcmp(input_type, gridfill) == 0 ){
		6557	free(input_type);
		6558	return GRIDFILL;
		6559	}
		6560	if( strcmp(input_type, imagefill) == 0 ){
		6561	free(input_type);
		6562	return IMAGEFILL;
		6563	}
		6564	if( strcmp(input_type, clicktile_colors) == 0 ){
		6565	free(input_type);
		6566	return CLICKTILE_COLORS;
		6567	}
		6568	if( strcmp(input_type, clicktile) == 0 ){
		6569	free(input_type);
		6570	return CLICKTILE;
		6571	}
		6572	if( strcmp(input_type, xlogscale) == 0 ){
		6573	free(input_type);
		6574	return XLOGSCALE;
		6575	}
		6576	if( strcmp(input_type, ylogscale) == 0 ){
		6577	free(input_type);
		6578	return YLOGSCALE;
		6579	}
		6580	if( strcmp(input_type, xylogscale) == 0 ){
		6581	free(input_type);
		6582	return XYLOGSCALE;
		6583	}
		6584	if( strcmp(input_type, ylogscale) == 0 ){
		6585	free(input_type);
		6586	return YLOGSCALE;
		6587	}
7735	schaersvoo	6588	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6589	free(input_type);
7735	schaersvoo	6590	return XLOGBASE;
7614	schaersvoo	6591	}
7735	schaersvoo	6592	if( strcmp(input_type, ylogbase) == 0 ){
		6593	free(input_type);
		6594	return YLOGBASE;
		6595	}
7614	schaersvoo	6596	if( strcmp(input_type, intooltip) == 0 ){
		6597	free(input_type);
		6598	return INTOOLTIP;
		6599	}
		6600	if( strcmp(input_type,video) == 0 ){
		6601	free(input_type);
		6602	return VIDEO;
		6603	}
		6604	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6605	free(input_type);
		6606	return FLOODFILL;
		6607	}
		6608	if( strcmp(input_type,filltoborder) == 0 ){
		6609	free(input_type);
		6610	return FILLTOBORDER;
		6611	}
		6612	if( strcmp(input_type,clickfill) == 0 ){
		6613	free(input_type);
		6614	return CLICKFILL;
		6615	}
		6616	if( strcmp(input_type, replyformat) == 0 ){
		6617	free(input_type);
		6618	return REPLYFORMAT;
		6619	}
		6620	if( strcmp(input_type, pixelsize) == 0 ){
		6621	free(input_type);
		6622	return PIXELSIZE;
		6623	}
		6624	if( strcmp(input_type, setpixel) == 0 ){
		6625	free(input_type);
		6626	return SETPIXEL;
		6627	}
		6628	if( strcmp(input_type, pixels) == 0 ){
		6629	free(input_type);
		6630	return PIXELS;
		6631	}
		6632	if( strcmp(input_type, clickfillmarge) == 0 ){
		6633	free(input_type);
		6634	return CLICKFILLMARGE;
		6635	}
		6636	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6637	free(input_type);
		6638	return X_AXIS_STRINGS;
		6639	}
		6640	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6641	free(input_type);
		6642	return Y_AXIS_STRINGS;
		6643	}
		6644	if( strcmp(input_type, piechart) == 0 ){
		6645	free(input_type);
		6646	return PIECHART;
		6647	}
		6648	if( strcmp(input_type, barchart) == 0 ){
		6649	free(input_type);
		6650	return BARCHART;
		6651	}
		6652	if( strcmp(input_type, linegraph) == 0 ){
		6653	free(input_type);
		6654	return LINEGRAPH;
		6655	}
		6656	if( strcmp(input_type, clock) == 0 ){
		6657	free(input_type);
		6658	return CLOCK;
		6659	}
		6660	if( strcmp(input_type, legend) == 0 ){
		6661	free(input_type);
		6662	return LEGEND;
		6663	}
		6664	if( strcmp(input_type, legendcolors) == 0 ){
		6665	free(input_type);
		6666	return LEGENDCOLORS;
		6667	}
		6668	if( strcmp(input_type, xlabel) == 0 ){
		6669	free(input_type);
		6670	return XLABEL;
		6671	}
		6672	if( strcmp(input_type, ylabel) == 0 ){
		6673	free(input_type);
		6674	return YLABEL;
		6675	}
		6676	if( strcmp(input_type, animate) == 0 ){
		6677	free(input_type);
		6678	return ANIMATE;
		6679	}
		6680	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6681	if( strcmp(input_type, transparent) == 0 ){
		6682	free(input_type);
		6683	return TRANSPARENT;
		6684	}
		6685	if( strcmp(input_type, status) == 0 ){
		6686	free(input_type);
		6687	return STATUS;
		6688	}
		6689	if( strcmp(input_type, snaptogrid) == 0 ){
		6690	free(input_type);
		6691	return SNAPTOGRID;
		6692	}
7784	schaersvoo	6693	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6694	free(input_type);
		6695	return XSNAPTOGRID;
		6696	}
		6697	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6698	free(input_type);
		6699	return YSNAPTOGRID;
		6700	}
7652	schaersvoo	6701	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6702	free(input_type);
7652	schaersvoo	6703	return USERINPUT_XY;
		6704	}
7663	schaersvoo	6705	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6706	free(input_type);
		6707	return USERTEXTAREA_XY;
		6708	}
7654	schaersvoo	6709	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6710	free(input_type);
7654	schaersvoo	6711	return SGRAPH;
		6712	}
		6713	free(input_type);
7614	schaersvoo	6714	ungetc(c,infile);
		6715	return 0;
		6716	}
		6717
7729	schaersvoo	6718

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 18071 – Rev 7788