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,...
7792	schaersvoo	1235	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1236	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1237	@every individual level curve may be set 'onclick / drag xy' <br />e.g. every single level curve (l1,l2,l3...l_n) has a unique identifier
		1238	@note : the arrays for holding the javascript data are limited in size
		1239	@note : reduce image size if javascript data arrays get overloaded<br />(command 'plotsteps int' will not control the data size of the plot...)
7788	schaersvoo	1240	*/
7792	schaersvoo	1241	fill_color = get_color(infile,0);
7788	schaersvoo	1242	char *fun1 = get_string_argument(infile,0);
		1243	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1244	i = 0;
		1245	done = FALSE;
		1246	while( !done ){
		1247	double_data[i] = get_real(infile,1);
		1248	i++;
		1249	}
		1250	for(c = 0 ; c < i; c++){
		1251	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);
		1252	click_cnt++;
		1253	}
		1254	reset();
		1255	break;
7614	schaersvoo	1256	case CURVE:
		1257	/*
		1258	@curve color,formula(x)
		1259	@plot color,formula(x)
		1260	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1261	@use command "precision" to increase the number of digits of the plotted points
		1262	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1263	@may be set draggable / onclick
		1264	*/
		1265	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1266	use_parametric = FALSE;
		1267	stroke_color = get_color(infile,0);
		1268	char *fun1 = get_string_argument(infile,0);
		1269	char *fun2 = get_string_argument(infile,1);
		1270	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1271	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	1272	click_cnt++;
		1273	}
		1274	else
		1275	{
		1276	stroke_color = get_color(infile,0);
		1277	char *fun1 = get_string_argument(infile,1);
		1278	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1279	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	1280	click_cnt++;
		1281	}
7788	schaersvoo	1282	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1283	reset();
		1284	break;
		1285	case FLY_TEXT:
		1286	/*
		1287	@ text fontcolor,x,y,font,text_string
		1288	@ font may be described by keywords : giant,huge,normal,small,tiny
		1289	@ use command 'fontsize' to increase base fontsize for the keywords
		1290	@ may be set "onclick" or "drag xy"
		1291	@ backwards compatible with flydraw
		1292	@ unicode supported: text red,0,0,huge,\\u2232
		1293	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1294	@ 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.
		1295	*/
		1296	for(i = 0; i < 5 ;i++){
		1297	switch(i){
		1298	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1299	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1300	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1301	case 3: fly_font = get_string_argument(infile,0);
		1302	if(strcmp(fly_font,"giant") == 0){
		1303	font_size = (int)(font_size + 24);
		1304	}
		1305	else
		1306	{
		1307	if(strcmp(fly_font,"huge") == 0){
		1308	font_size = (int)(font_size + 14);
		1309	}
		1310	else
		1311	{
		1312	if(strcmp(fly_font,"large") == 0){
		1313	font_size = (int)(font_size + 6);
		1314	}
		1315	else
		1316	{
		1317	if(strcmp(fly_font,"small") == 0){
		1318	font_size = (int)(font_size - 4);
		1319	if(font_size<0){font_size = 8;}
		1320	}
		1321	}
		1322	}
		1323	}
		1324	break; /* font_size ! */
		1325	case 4:
		1326	temp = get_string_argument(infile,1);
		1327	decimals = find_number_of_digits(precision);
7785	schaersvoo	1328	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	1329	click_cnt++;reset();break;
		1330	default:break;
		1331	}
		1332	}
		1333	break;
		1334	case FLY_TEXTUP:
		1335	/*
		1336	@ textup fontcolor,x,y,font,text_string
		1337	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1338	@ font may be described by keywords : giant,huge,normal,small,tiny
		1339	@ use command 'fontsize' to increase base fontsize for the keywords
		1340	@ backwards compatible with flydraw
		1341	@ unicode supported: textup red,0,0,huge,\\u2232
		1342	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1343	@ 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.
		1344	*/
		1345	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
		1346	for(i = 0; i<5 ;i++){
		1347	switch(i){
		1348	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1349	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1350	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1351	case 3: fly_font = get_string_argument(infile,0);
		1352	if(strcmp(fly_font,"giant") == 0){
		1353	font_size = (int)(font_size + 24);
		1354	}
		1355	else
		1356	{
		1357	if(strcmp(fly_font,"huge") == 0){
		1358	font_size = (int)(font_size + 14);
		1359	}
		1360	else
		1361	{
		1362	if(strcmp(fly_font,"large") == 0){
		1363	font_size = (int)(font_size + 6);
		1364	}
		1365	else
		1366	{
		1367	if(strcmp(fly_font,"small") == 0){
		1368	font_size = (int)(font_size - 4);
		1369	if(font_size<0){font_size = 8;}
		1370	}
		1371	}
		1372	}
		1373	}
		1374	break; /* font_size ! */
		1375	case 4:
		1376	decimals = find_number_of_digits(precision);
		1377	temp = get_string_argument(infile,1);
		1378	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);
		1379	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1380	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);
		1381	add_to_buffer(tmp_buffer);
		1382	break;
		1383	default:break;
		1384	}
		1385	}
		1386	reset();
		1387	break;
		1388	case FONTFAMILY:
		1389	/*
		1390	@ fontfamily font_description
		1391	@ set the font family; for browsers that support it
		1392	@ font_description: Ariel ,Courier, Helvetica etc
		1393	@ 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
		1394	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1395	*/
		1396	font_family = get_string(infile,1);
		1397	break;
		1398	case STRINGUP:
		1399	/*
		1400	@ stringup color,x,y,rotation_degrees,the text string
		1401	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1402	@ unicode supported: stringup red,0,0,45,\\u2232
		1403	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1404
		1405	*/
		1406	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1407	for(i=0;i<6;i++){
		1408	switch(i){
		1409	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1410	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1411	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1412	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1413	case 4: decimals = find_number_of_digits(precision);
		1414	temp = get_string_argument(infile,1);
		1415	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);
		1416	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1417	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);
		1418	add_to_buffer(tmp_buffer);
		1419	break;
		1420	default:break;
		1421	}
		1422	}
		1423	reset();
		1424	break;
		1425	case STRING:
		1426	/*
		1427	@ string color,x,y,the text string
		1428	@ may be set "onclick" or "drag xy"
		1429	@ unicode supported: string red,0,0,\\u2232
		1430	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
		1431	*/
		1432	for(i=0;i<5;i++){
		1433	switch(i){
		1434	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1435	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1436	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1437	case 3: decimals = find_number_of_digits(precision);
		1438	temp = get_string_argument(infile,1);
		1439	decimals = find_number_of_digits(precision);
7785	schaersvoo	1440	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	1441	click_cnt++;reset();break;
		1442	break;
		1443	default:break;
		1444	}
		1445	}
		1446	break;
		1447	case MATHML:
		1448	/*
		1449	@ mathml x1,y1,x2,y2,mathml_string
		1450	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
		1451	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1452	@ 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();"
		1453	@ 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	1454
7614	schaersvoo	1455	*/
		1456	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1457	for(i=0;i<5;i++){
		1458	switch(i){
		1459	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1460	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1461	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1462	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1463	case 4: decimals = find_number_of_digits(precision);
		1464	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
		1465	temp = get_string(infile,1);
		1466	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1467	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);
		1468	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1469	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);
		1470	add_to_buffer(tmp_buffer);
		1471	/*
		1472	in case inputs are present , trigger adding the read_mathml()
		1473	if no other reply_format is defined
		1474	note: all other reply types will include a reading of elements with id='mathml'+p)
		1475	*/
		1476	if(strstr(temp,"mathml0") != NULL){
		1477	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1478	}
		1479	break;
		1480	default:break;
		1481	}
		1482	}
		1483	reset();
		1484	break;
		1485	case HTTP:
		1486	/*
		1487	@http x1,y1,x2,y2,http://some_adress.com
		1488	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
		1489	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1490	@can not be 'set onclick' or 'drag xy'
		1491	*/
		1492	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
		1493	for(i=0;i<5;i++){
		1494	switch(i){
		1495	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1496	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1497	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1498	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1499	case 4: decimals = find_number_of_digits(precision);
		1500	temp = get_string(infile,1);
		1501	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1502	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);
		1503	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1504	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);
		1505	add_to_buffer(tmp_buffer);
		1506	break;
		1507	}
		1508	}
		1509	reset();
		1510	break;
		1511	case HTML:
		1512	/*
		1513	@ html x1,y1,x2,y2,html_string
		1514	@ all tags are allowed
		1515	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1516	@ 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.
		1517
		1518	note: uses the same code as 'mathml'
		1519	*/
		1520	break;
		1521	case X_AXIS_STRINGS:
		1522	/*
		1523	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1524	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1525	@ use these x-axis values in stead of default xmin...xmax
		1526	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1527	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1528	@ 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
		1529	@ 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
		1530	*/
		1531	temp = get_string(infile,1);
		1532	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1533	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1534	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1535	use_axis_numbering = 1;
		1536	break;
		1537	case Y_AXIS_STRINGS:
		1538	/*
		1539	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1540	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1541	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1542	@ use these y-axis values in stead of default ymin...ymax
		1543	@ 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
		1544	*/
		1545	temp = get_string(infile,1);
		1546	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1547	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1548	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1549	use_axis_numbering = 1;
		1550	break;
		1551
		1552	case AXIS_NUMBERING:
		1553	/*
		1554	@ axisnumbering
		1555	@ keyword, no aguments required
		1556	*/
		1557	use_axis_numbering = 1;
		1558	break;
		1559	case AXIS:
		1560	/*
		1561	@ axis
		1562	@ keyword, no aguments required
		1563
		1564	*/
		1565	use_axis = TRUE;
		1566	break;
7654	schaersvoo	1567	case SGRAPH:
		1568	/*
		1569	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1570	@ primitive implementation of a 'broken scale' graph...
		1571	@ not very versatile.
		1572	@ 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
		1573	*/
		1574	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
		1575	for(i = 0 ; i < 8 ;i++){
		1576	switch(i){
		1577	case 0:double_data[0] = get_real(infile,0);break;
		1578	case 1:double_data[1] = get_real(infile,0);break;
		1579	case 2:double_data[2] = get_real(infile,0);break;
		1580	case 3:double_data[3] = get_real(infile,0);break;
		1581	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1582	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1583	case 6:stroke_color = get_color(infile,0);break;
		1584	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1585	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	1586	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1587	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	1588	add_to_buffer(tmp_buffer);
		1589	break;
		1590	default:break;
		1591	}
		1592	}
		1593	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1594	break;
7614	schaersvoo	1595	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1596	/*
		1597	@ grid step_x,step_y,gridcolor
		1598	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1599	@ 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	1600	@ 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	1601	@ can not be set "onclick" or "drag xy"
		1602	@ 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')
		1603	@ 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')
		1604	@ 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')
		1605	*/
7729	schaersvoo	1606	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1607	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1608	for(i=0;i<4;i++){
		1609	switch(i){
		1610	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1611	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1612	case 2:
		1613	if( use_axis == TRUE ){
		1614	stroke_color = get_color(infile,0);
		1615	done = FALSE;
		1616	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1617	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1618	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1619	fill_color = get_color(infile,1); /* used as axis_color*/
		1620	}
		1621	else
		1622	{
		1623	int_data[0] = 1;
		1624	int_data[1] = 1;
		1625	stroke_color = get_color(infile,1);
		1626	fill_color = stroke_color;
		1627	}
		1628	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	1629	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1630	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	1631	/* 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){ */
		1632
		1633	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);
		1634	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1635	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);
		1636	add_to_buffer(tmp_buffer);
		1637	break;
		1638	}
		1639	}
		1640	reset();
		1641	break;
		1642	case OPACITY:
		1643	/*
		1644	@ opacity 0-255,0-255
		1645	@
		1646	*/
		1647	for(i = 0 ; i<2;i++){
		1648	switch(i){
		1649	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1650	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1651	default: break;
		1652	}
		1653	}
		1654	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 ? */
		1655	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1656	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1657	break;
		1658	case ROTATE:
		1659	/*
		1660	@rotate rotation_angle
		1661	@
		1662	*/
		1663	use_rotate = TRUE;
		1664	use_translate = TRUE;
		1665	translate_x = x2px(0);
		1666	translate_y = y2px(0);
		1667	angle = get_real(infile,1);
		1668	break;
7785	schaersvoo	1669	case KILLAFFINE:
		1670	/*
		1671	@ killaffine
		1672	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1673	*/
		1674	use_affine = FALSE;
		1675	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
		1676	break;
		1677	case AFFINE:
		1678	/*
		1679	@affine a,b,c,d,tx,ty
		1680	@ defines a transformation matrix for subsequent objects
		1681	@ use keyword 'killaffine' to end the transformation
		1682	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1683	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1684	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1685	@ a : Scales the drawings horizontally
		1686	@ b : Skews the drawings horizontally
		1687	@ c : Skews the drawings vertically
		1688	@ d : Scales the drawings vertically
7786	schaersvoo	1689	@ tx: Moves the drawings horizontally in pixels !
		1690	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1691	*/
		1692	for(i = 0 ; i<6;i++){
		1693	switch(i){
		1694	case 0: double_data[0] = get_real(infile,0);break;
		1695	case 1: double_data[1] = get_real(infile,0);break;
		1696	case 2: double_data[2] = get_real(infile,0);break;
		1697	case 3: double_data[3] = get_real(infile,0);break;
		1698	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1699	case 5: int_data[1] = (int)(get_real(infile,1));
		1700	use_affine = TRUE;
		1701	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]);
		1702	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		1703	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]);
		1704	break;
		1705	default: break;
		1706	}
		1707	}
		1708	break;
7614	schaersvoo	1709	case KILLTRANSLATION:
		1710	/*
		1711	killtranslation
		1712	*/
		1713	break;
		1714	case TRANSLATION:
		1715	/*
		1716	@translation tx,ty
		1717	@
		1718	*/
		1719	use_translate = TRUE;
		1720	translate_x = get_real(infile,0);
		1721	translate_y = get_real(infile,1);
		1722	break;
		1723	case DASHED:
		1724	/*
		1725	@ keyword "dashed"
		1726	@ next object will be drawn with a dashed line
		1727	@ change dashing scheme by using command "dashtype int,int)
		1728	*/
		1729	use_dashed = TRUE;
		1730	break;
		1731	case FILLED:
		1732	/*
		1733	@ keyword "filled"
		1734	@ the next 'fillable' object (only) will be filled
		1735	@ use command "fillcolor color" to set fillcolor
		1736	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1737	@ 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 !
		1738	*/
		1739	use_filled = TRUE;
		1740	break;
		1741	case STYLE:
		1742	/*
		1743	@highlight color,opacity,linewidth
		1744	@ NOT IMPLEMENTED
		1745	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1746	*/
		1747	break;
		1748	case FILLCOLOR:
		1749	/*
		1750	@ fillcolor colorname or #hex
		1751	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1752	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1753	*/
		1754	fill_color = get_color(infile,1);
		1755	break;
		1756	case STROKECOLOR:
		1757	/*
		1758	@ strokecolor colorname or #hex
		1759	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1760	*/
		1761	stroke_color = get_color(infile,1);
		1762	break;
		1763	case BGIMAGE:
		1764	/*
		1765	@bgimage image_location
		1766	@use an image as background .<br />(we use the background of 'canvas_div' )
		1767	@the background image will be resized to match "width = xsize" and "height = ysize"
		1768	*/
		1769	URL = get_string(infile,1);
		1770	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);
		1771	break;
		1772	case BGCOLOR:
		1773	/*
		1774	@bgcolor colorname or #hex
		1775	@use this color as background of the "div" containing the canvas(es)
		1776	*/
		1777	/* [255,255,255]*/
		1778	bgcolor = get_string(infile,1);
		1779	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1780	int found = 0;
		1781	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1782	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1783	bgcolor = colors[i].hex;
		1784	found = 1;
		1785	break;
		1786	}
		1787	}
		1788	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1789	}
		1790	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1791	break;
		1792	case COPY:
		1793	/*
		1794	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1795	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1796	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
		1797	@ [filename] is the URL of the image
		1798	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1799	@ 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
		1800	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1801
		1802	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1803	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1804	*/
		1805	for(i = 0 ; i<7;i++){
		1806	switch(i){
		1807	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1808	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1809	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1810	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1811	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1812	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1813	case 6: URL = get_string(infile,1);
		1814	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1815	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1816	if( drag_type > -1 ){
		1817	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1818	if(reply_format < 1 ){reply_format = 20;}
		1819	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);
		1820	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1821	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);
		1822	drag_type = -1;
		1823	ext_img_cnt++;
		1824	}
		1825	else
		1826	{
		1827	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1828	/*
		1829	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1830	*/
		1831	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]);
		1832	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1833	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]);
		1834	}
		1835	add_to_buffer(tmp_buffer);
		1836	break;
		1837	default: break;
		1838	}
		1839	}
		1840	reset();
		1841	break;
		1842	/*
		1843	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1844	img Specifies the image, canvas, or video element to use
		1845	sx The x coordinate where to start clipping : x1 = int_data[0]
		1846	sy The y coordinate where to start clipping : x2 = int_data[1]
		1847	swidth The width of the clipped image : int_data[2] - int_data[0]
		1848	sheight The height of the clipped image : int_data[3] - int_data[1]
		1849	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1850	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1851	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1852	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1853	*/
		1854	case COPYRESIZED:
		1855	/*
		1856	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
		1857	@ 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
		1858	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1859	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1860	@ 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
		1861	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
		1862	*/
		1863	for(i = 0 ; i<9;i++){
		1864	switch(i){
		1865	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1866	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1867	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1868	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1869	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1870	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1871	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1872	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1873	case 8: URL = get_string(infile,1);
		1874	if( drag_type > -1 ){
		1875	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1876	if(reply_format < 1 ){reply_format = 20;}
		1877	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);
		1878	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1879	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);
		1880	drag_type = -1;
		1881	ext_img_cnt++;
		1882	}
		1883	else
		1884	{
		1885	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1886	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]);
		1887	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1888	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]);
		1889	}
		1890	add_to_buffer(tmp_buffer);
		1891	default: break;
		1892	}
		1893	}
		1894	reset();
		1895	break;
		1896	case BUTTON:
		1897	/*
		1898	button x,y,value
		1899	*/
		1900	break;
		1901	case INPUTSTYLE:
		1902	/*
		1903	@ inputstyle style_description
		1904	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1905	*/
		1906	input_style = get_string(infile,1);
		1907	break;
		1908	case INPUT:
		1909	/*
		1910	@ input x,y,size,editable,value
		1911	@ to set inputfield "readonly", use editable = 0
		1912	@ only active inputfields (editable = 1) will be read with read_canvas();
		1913	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1914	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1915	*/
		1916	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
		1917	for(i = 0 ; i<5;i++){
		1918	switch(i){
		1919	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1920	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1921	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1922	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1923	case 4:
		1924	temp = get_string_argument(infile,1);
		1925	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);
		1926	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1927	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);
		1928	add_to_buffer(tmp_buffer);
		1929	input_cnt++;break;
		1930	default: break;
		1931	}
		1932	}
		1933	if(reply_format < 1 ){reply_format = 15;}
		1934	reset();
		1935	break;
		1936	case TEXTAREA:
		1937	/*
		1938	@ textarea x,y,cols,rows,readonly,value
		1939	@ may be further controlled by "inputstyle"
		1940	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1941	*/
		1942	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
		1943	for(i = 0 ; i<6;i++){
		1944	switch(i){
		1945	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1946	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1947	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1948	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1949	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1950	case 5: temp = get_string_argument(infile,1);
		1951	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);
		1952	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1953	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);
		1954	add_to_buffer(tmp_buffer);
		1955	input_cnt++;break;
		1956	default: break;
		1957	}
		1958	}
		1959	if(reply_format < 1 ){reply_format = 15;}
		1960	reset();
		1961	break;
		1962	case MOUSE_PRECISION:
		1963	/*
		1964	@ precision int
		1965	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1966	@ may be used / changed before every object
		1967	*/
		1968	precision = (int) (get_real(infile,1));
		1969	break;
		1970	case ZOOM:
		1971	/*
		1972	@ zoom button_color
		1973	@ introduce a controlpanel at the lower right corner
		1974	@ 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
		1975	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		1976	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
		1977	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		1978	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		1979	@ 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 !!
		1980	*/
7653	schaersvoo	1981	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7614	schaersvoo	1982	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		1983	/* we use BG_CANVAS (0) */
		1984	stroke_color = get_color(infile,1);
7653	schaersvoo	1985	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1986	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	1987	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	1988	add_to_buffer(tmp_buffer);
		1989	done = TRUE;
		1990	break;
		1991	case ONCLICK:
		1992	/*
		1993	@ onclick
		1994	@ keyword, no arguments
		1995	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
		1996	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
		1997	@ NOTE: not all objects may be set clickable
		1998	*/
		1999
		2000	onclick = 1;
		2001	break;
		2002	case DRAG:
		2003	/*
		2004	@ drag [x][y][xy]
		2005	@ the next object will be draggable in x / y / xy direction
		2006	@ the displacement can be read by 'javascript:read_dragdrop();'
		2007	@ 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.
		2008	@ 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 !!
		2009	*/
		2010	temp = get_string(infile,1);
		2011	if(strstr(temp,"xy") != NULL ){
		2012	drag_type = 0;
		2013	}
		2014	else
		2015	{
		2016	if(strstr(temp,"x") != NULL ){
		2017	drag_type = 1;
		2018	}
		2019	else
		2020	{
		2021	drag_type = 2;
		2022	}
		2023	}
		2024	onclick = 2;
		2025	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2026	break;
		2027	case BLINK:
		2028	/*
		2029	@ blink time(seconds)
		2030	@ NOT IMPLEMETED -YET
		2031	*/
		2032	break;
		2033	case MOUSE:
		2034	/*
		2035	@ mouse color,fontsize
		2036	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2037	*/
		2038	use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
		2039	stroke_color = get_color(infile,0);
		2040	font_size = (int) (get_real(infile,1));
		2041	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2042	break;
		2043	case INTOOLTIP:
		2044	/*
		2045	@ intooltip link_text
		2046	@ link_text is a single line (span-element)
		2047	@ link_text may also be an image URL http://some_server/images/my_image.png
		2048	@ link_text may contain HTML markup
		2049	@ the canvas will be displayed in a tooltip on 'link_text'
		2050	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2051	*/
7652	schaersvoo	2052	if(use_input_xy == TRUE){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2053	use_tooltip = TRUE;
		2054	tooltip_text = get_string(infile,1);
		2055	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2056	break;
		2057	case AUDIO:
		2058	/*
		2059	@ audio x,y,w,h,loop,visible,audiofile location
		2060	@ x,y : left top corner of audio element (in xrange / yrange)
		2061	@ w,y : width and height in pixels
		2062	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2063	@ visible : 0 or 1 (1 = show controls)
		2064	@ audio format may be in .mp3 or .ogg
		2065	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2066	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2067	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2068	@ 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 />
		2069	*/
		2070	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2071	for(i=0;i<7;i++){
		2072	switch(i){
		2073	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2074	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2075	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2076	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2077	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2078	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
		2079	case 6:
		2080	temp = get_string(infile,1);
		2081	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2082	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2083	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);
		2084	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2085	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);
		2086	add_to_buffer(tmp_buffer);
		2087	break;
		2088	default:break;
		2089	}
		2090	}
		2091	reset();
		2092	break;
		2093	case VIDEO:
		2094	/*
		2095	@ video x,y,w,h,videofile location
		2096	@ x,y : left top corner of audio element (in xrange / yrange)
		2097	@ w,y : width and height in pixels
		2098	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2099	@ video format may be in *.mp4 (todo:other formats)
		2100	*/
		2101	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2102	for(i=0;i<5;i++){
		2103	switch(i){
		2104	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2105	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2106	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2107	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2108	case 4: temp = get_string(infile,1);
		2109	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);
		2110	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2111	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);
		2112	add_to_buffer(tmp_buffer);
		2113	break;
		2114	default:break;
		2115	}
		2116	}
		2117	reset();
		2118	break;
		2119	case HATCHFILL:
		2120	/*
		2121	@ hatchfill x0,y0,dx,dy,color
		2122	@ x0,y0 in xrange / yrange
		2123	@ distances dx,dy in pixels
		2124	*/
		2125	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2126	for(i=0;i<5;i++){
		2127	switch(i){
		2128	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2129	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2130	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2131	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2132	case 4: stroke_color = get_color(infile,1);
		2133	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2134	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);
		2135	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2136	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);
		2137	add_to_buffer(tmp_buffer);
		2138	break;
		2139	default:break;
		2140	}
		2141	}
		2142	reset();
		2143	break;
7647	schaersvoo	2144	case DIAMONDFILL:
		2145	/*
		2146	@ diamondfill x0,y0,dx,dy,color
		2147	@ x0,y0 in xrange / yrange
		2148	@ distances dx,dy in pixels
		2149	*/
		2150	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2151	for(i=0;i<5;i++){
		2152	switch(i){
		2153	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2154	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2155	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2156	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2157	case 4: stroke_color = get_color(infile,1);
		2158	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2159	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);
		2160	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2161	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);
		2162	add_to_buffer(tmp_buffer);
		2163	break;
		2164	default:break;
		2165	}
		2166	}
		2167	reset();
		2168	break;
7614	schaersvoo	2169	case GRIDFILL:
		2170	/*
		2171	@ gridfill x0,y0,dx,dy,color
		2172	@ x0,y0 in xrange / yrange
		2173	@ distances dx,dy in pixels
		2174	*/
		2175	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2176	for(i=0;i<5;i++){
		2177	switch(i){
		2178	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2179	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2180	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2181	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2182	case 4: stroke_color = get_color(infile,1);
		2183	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2184	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);
		2185	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2186	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);
		2187	add_to_buffer(tmp_buffer);
		2188	break;
		2189	default:break;
		2190	}
		2191	}
		2192	reset();
		2193	break;
		2194	case DOTFILL:
		2195	/*
		2196	@ dotfill x0,y0,dx,dy,color
		2197	@ x0,y0 in xrange / yrange
		2198	@ distances dx,dy in pixels
		2199	@ radius of dots is linewidth
		2200	*/
		2201	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2202	for(i=0;i<5;i++){
		2203	switch(i){
		2204	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2205	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2206	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2207	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2208	case 4: stroke_color = get_color(infile,1);
		2209	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2210	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);
		2211	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2212	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);
		2213	add_to_buffer(tmp_buffer);
		2214	break;
		2215	default:break;
		2216	}
		2217	}
		2218	reset();
		2219	break;
		2220	case IMAGEFILL:
		2221	/*
		2222	@ imagefill dx,dy,image_url
		2223	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2224	@ After pattern filling ,the fill-color should be reset !
		2225	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2226	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2227	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2228	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2229	*/
		2230	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2231	for(i=0 ;i < 3 ; i++){
		2232	switch(i){
		2233	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2234	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2235	case 2: URL = get_string_argument(infile,1);
		2236	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);
		2237	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2238	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);
		2239	add_to_buffer(tmp_buffer);
		2240	break;
		2241	}
		2242	}
		2243	break;
		2244	case FILLTOBORDER:
		2245	/*
		2246	@ filltoborder x,y,bordercolor,color
		2247	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
		2248	@ any other color will not act as border to the bucket fill
		2249	@ use this command after all boundary objects are declared.
		2250	@ 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..
		2251	*/
		2252	for(i=0 ;i < 4 ; i++){
		2253	switch(i){
		2254	case 0:double_data[0] = get_real(infile,0);break;
		2255	case 1:double_data[1] = get_real(infile,0);break;
		2256	case 2:bgcolor = get_color(infile,0);break;
		2257	case 3:fill_color = get_color(infile,1);
		2258	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2259	js_function[DRAW_FILLTOBORDER] = 1;
		2260	add_js_filltoborder(js_include_file,canvas_root_id);
		2261	}
		2262	decimals = find_number_of_digits(precision);
		2263	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));
		2264	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2265	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));
		2266	add_to_buffer(tmp_buffer);
		2267	break;
		2268	default:break;
		2269	}
		2270	}
		2271	break;
		2272	case FLOODFILL:
		2273	/*
		2274	@ floodfill x,y,color
		2275	@ alternative syntax: fill x,y,color
		2276	@ fill the region of point (x:y) with color 'color'
		2277	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2278	@ use this command after all boundary objects are declared.
		2279	@ Use command 'clickfill,color' for user click driven flood fill.
		2280	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2281	@ 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..
		2282	*/
		2283	for(i=0 ;i < 4 ; i++){
		2284	switch(i){
		2285	case 0:double_data[0] = get_real(infile,0);break;
		2286	case 1:double_data[1] = get_real(infile,0);break;
		2287	case 2:fill_color = get_color(infile,1);
		2288	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2289	js_function[DRAW_FLOODFILL] = 1;
		2290	add_js_floodfill(js_include_file,canvas_root_id);
		2291	}
		2292	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2293	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));
		2294	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2295	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));
		2296	add_to_buffer(tmp_buffer);
		2297	break;
		2298	default:break;
		2299	}
		2300	}
		2301	break;
		2302	case CLICKFILLMARGE:
		2303	clickfillmarge = (int) (get_real(infile,1));
		2304	break;
		2305	/*
		2306	@ clickfillmarge int
		2307	@ default 20 (pixels)
		2308	@ 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[])
		2309	*/
		2310	case CLICKFILL:
		2311	/*
		2312	@ clickfill fillcolor
		2313	@ user left mouse click will floodfill the area with fillcolor
		2314	@ multiple areas may be coloured
		2315	@ 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)
		2316	@ the answer will be read as the (x:y) click coordinates per coloured area
		2317	@ background color of main div may be set by using command "bgcolor color"
		2318	@ may not be combined with command "userdraw"
		2319	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2320	*/
		2321	fill_color = get_color(infile,1);
		2322	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2323	js_function[DRAW_FLOODFILL] = 1;
		2324	add_js_floodfill(js_include_file,canvas_root_id);
		2325	}
7653	schaersvoo	2326	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	2327	add_read_canvas(1);
		2328	break;
		2329	case SETPIXEL:
		2330	/*
		2331	@ setpixel x,y,color
		2332	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2333	@ pixels can not be dragged or clicked
		2334	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2335	*/
		2336	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2337	for(i=0;i<3;i++){
		2338	switch(i){
		2339	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2340	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2341	case 2: stroke_color = get_color(infile,1);
		2342	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2343	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2344	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2345	add_to_buffer(tmp_buffer);
		2346	break;
		2347	default:break;
		2348	}
		2349	}
		2350	reset();
		2351	break;
		2352	case PIXELSIZE:
		2353	/*
		2354	@ pixelsize int
		2355	@ in case you want to deviate from default pixelsize = 1...
		2356	*/
		2357	pixelsize = (int) get_real(infile,1);
		2358	break;
		2359	case PIXELS:
		2360	/*
		2361	@ pixels color,x1,y1,x2,y2,x3,y3...
		2362	@ Draw "points" with diameter 1 pixel
		2363	@ pixels can not be dragged or clicked
		2364	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2365	*/
		2366	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2367	stroke_color=get_color(infile,0);
		2368	i=0;
		2369	c=0;
		2370	while( ! done ){ /* get next item until EOL*/
		2371	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2372	for( c = 0 ; c < 2; c++){
		2373	if(c == 0 ){
		2374	double_data[i] = get_real(infile,0);
		2375	i++;
		2376	}
		2377	else
		2378	{
		2379	double_data[i] = get_real(infile,1);
		2380	i++;
		2381	}
		2382	}
		2383	}
		2384	decimals = find_number_of_digits(precision);
		2385	/* double_xy2js_array(double xy[],int len,int decimals) /
		2386	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2387	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2388	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2389	add_to_buffer(tmp_buffer);
		2390	break;
		2391	case REPLYFORMAT:
		2392	/*
		2393	@ replyformat number
		2394	@ default values should be fine !
7782	schaersvoo	2395	@ 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	2396	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2397	*/
		2398	reply_format = (int) get_real(infile,1);
		2399	break;
		2400	case LEGENDCOLORS:
		2401	/*
		2402	@ legendcolors color1:color2:color3:...:color_n
		2403	@ will be used to colour a legend
		2404	@ make sure the number of colours match the number of legend items
		2405	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
		2406	*/
		2407	temp = get_string(infile,1);
		2408	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2409	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2410	break;
		2411	case LEGEND:
		2412	/*
		2413	@ legend string1:string2:string3....string_n
		2414	@ will be used to create a legend for a graph
		2415	@ also see command 'piechart'
		2416	*/
		2417	temp = get_string(infile,1);
		2418	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2419	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2420	break;
		2421	case XLABEL:
		2422	/*
		2423	@ xlabel some_string
		2424	@ will be used to create a label for the x-axis (label is in quadrant I)
		2425	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2426	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2427	*/
		2428	temp = get_string(infile,1);
7653	schaersvoo	2429	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2430	break;
		2431	case YLABEL:
		2432	/*
		2433	@ ylabel some_string
		2434	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
		2435	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
		2436	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
		2437	*/
		2438	temp = get_string(infile,1);
7653	schaersvoo	2439	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2440	break;
		2441	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2442	/*
		2443	@ linegraph x1:y1;x2:y2...x_n:y;2
		2444	@ will plot your data in a graph
		2445	@ may only to be used together with command 'grid'
		2446	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2447	@ use command 'legend' to provide an optional legend in right-top-corner
		2448	@ also see command 'piechart'
		2449	@ multiple linegraphs may be used in a single plot
		2450	@ <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>
		2451	*/
		2452	temp = get_string(infile,1);
		2453	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2454	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	2455	linegraph_cnt++;
		2456	reset();
		2457	break;
		2458	case CLOCK:
		2459	/*
		2460	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2461	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2462	@ 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
		2463	@ 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>
		2464	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2465	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2466	@ 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	2467	*/
		2468	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2469
		2470	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2471	for(i=0;i<9;i++){
		2472	switch(i){
		2473	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2474	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2475	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2476	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2477	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2478	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2479	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	2480	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2481	switch(int_data[7]){
		2482	case 0:break;
		2483	case 1:if(clock_cnt == 0){
		2484	if( reply_format == 0 ){
7614	schaersvoo	2485	reply_format = 18; /* user sets clock */
7783	schaersvoo	2486	/* 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	2487	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2488	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");
		2489	add_to_buffer(tmp_buffer);
7783	schaersvoo	2490	*/
		2491	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");
		2492	}
		2493	else
		2494	{
		2495	canvas_error("interactive clock may not be used together with other reply_types...");
		2496	}
		2497	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);
		2498	}
		2499	break;
		2500	case 2:if( reply_format == 0 ){
		2501	reply_format = 19; /* "onclick */
		2502	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 ");
		2503	}
		2504	else
		2505	{
		2506	if( reply_format != 19){
7614	schaersvoo	2507	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2508	}
7783	schaersvoo	2509	}
		2510	break;
		2511	default: canvas_error("interactive must be set 0,1 or 2");break;
		2512	}
		2513	break;
7614	schaersvoo	2514	case 8:
		2515	temp = get_string(infile,1);
		2516	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2517	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2518	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);
		2519	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2520	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);
		2521	add_to_buffer(tmp_buffer);
		2522	clock_cnt++;
		2523	break;
		2524	default:break;
		2525	}
		2526	}
		2527	break;
		2528	case BARCHART:
		2529	/*
		2530	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2531	@ will be used to create a legend for bar graph
		2532	@ may only to be used together with command 'grid'
		2533	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2534	@ use command 'legend' to provide an optional legend in right-top-corner
		2535	@ also see command 'piechart'
		2536	*/
		2537	temp = get_string(infile,1);
		2538	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2539	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2540	reset();
		2541	break;
		2542	case PIECHART:
		2543	/*
		2544	@ piechart xc,yc,radius,'data+colorlist'
		2545	@ (xc : yc) center of circle diagram in xrange/yrange
		2546	@ radius in pixels
		2547	@ 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
		2548	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2549	@ the number of colors must match the number of data.
		2550	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2551	@ 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...
		2552	*/
		2553	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
		2554	for(i=0;i<5;i++){
		2555	switch(i){
		2556	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2557	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2558	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2559	case 3: temp = get_string(infile,1);
		2560	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2561	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);
		2562	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2563	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);
		2564	add_to_buffer(tmp_buffer);
		2565	break;
		2566	default:break;
		2567	}
		2568	}
		2569	reset();
		2570	break;
		2571	case STATUS:
		2572	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2573	break;
7735	schaersvoo	2574	case XLOGBASE:
7729	schaersvoo	2575	/*
7735	schaersvoo	2576	@ xlogbase number
		2577	@ sets the logbase number for the x-axis
7729	schaersvoo	2578	@ default value 10
7735	schaersvoo	2579	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2580	*/
7735	schaersvoo	2581	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2582	break;
7735	schaersvoo	2583	case YLOGBASE:
		2584	/*
		2585	@ ylogbase number
		2586	@ sets the logbase number for the y-axis
		2587	@ default value 10
		2588	@ use together with commands ylogscale / xylogscale
		2589	*/
		2590	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2591	break;
7614	schaersvoo	2592	case XLOGSCALE:
		2593	/*
7735	schaersvoo	2594	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2595	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2596	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2597	@ the linewidth is set using command 'linewidth int'
		2598	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2599	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7779	schaersvoo	2600	@ 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	2601	@ note: the complete canvas will be used for the 'log paper'
		2602	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2603	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2604	@ 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')
		2605	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2606	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2607	*/
7735	schaersvoo	2608	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2609	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2610	for(i=0;i<4;i++){
		2611	switch(i){
		2612	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2613	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2614	case 2: stroke_color = get_color(infile,0); break;
		2615	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2616	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	2617	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2618	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	2619	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2620	add_to_buffer(tmp_buffer);
		2621	break;
		2622	default:break;
		2623	}
		2624	}
7614	schaersvoo	2625	break;
		2626	case YLOGSCALE:
7729	schaersvoo	2627	/*
		2628	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2629	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2630	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2631	@ the linewidth is set using command 'linewidth int'
		2632	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2633	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7779	schaersvoo	2634	@ 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	2635	@ note: the complete canvas will be used for the 'log paper'
		2636	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2637	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2638	@ 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	2639	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2640	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2641	*/
		2642	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2643	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2644	for(i=0;i<4;i++){
		2645	switch(i){
		2646	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2647	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2648	case 2: stroke_color = get_color(infile,0); break;
		2649	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2650	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	2651	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2652	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	2653	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2654	add_to_buffer(tmp_buffer);
		2655	break;
		2656	default:break;
		2657	}
		2658	}
7614	schaersvoo	2659	break;
		2660	case XYLOGSCALE:
7735	schaersvoo	2661	/*
		2662	@ xylogscale majorcolor,minorcolor
		2663	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2664	@ the linewidth is set using command 'linewidth int'
		2665	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2666	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7739	schaersvoo	2667	@ 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	2668	@ note: the complete canvas will be used for the 'log paper'
		2669	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2670	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
		2671	@ 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')
		2672	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2673	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2674	*/
		2675	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2676	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2677	for(i=0;i<2;i++){
		2678	switch(i){
		2679	case 0: stroke_color = get_color(infile,0); break;
		2680	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2681	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	2682	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2683	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	2684	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2685	add_to_buffer(tmp_buffer);
		2686	break;
		2687	default:break;
		2688	}
		2689	}
		2690	break;
7614	schaersvoo	2691	default:sync_input(infile);
		2692	break;
		2693	}
		2694	}
		2695	/* we are done parsing script file */
		2696
		2697	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2698	add_javascript_functions(js_function,canvas_root_id);
		2699	/* add read_canvas() etc functions if needed */
		2700	if( reply_format > 0 ){ add_read_canvas(reply_format);}
		2701	/* using mouse coordinate display ? */
		2702	if( use_mouse_coordinates == TRUE ){
		2703	tmp_buffer = my_newmem(26);
		2704	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2705	}
		2706	/* add global variables / contants */
7729	schaersvoo	2707	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
		2708	var precision = %d;var xmin=%f;var xmax=%f;var ymin=%f;\
		2709	var ymax=%f;var xmin_start=xmin;var xmax_start=xmax;\
		2710	var ymin_start=ymin;var ymax_start=xmax;\
		2711	var zoom_x_increment=0;var zoom_y_increment=0;\
		2712	var pan_x_increment=0;var pan_y_increment=0;\
		2713	if(use_ylogscale == 0 ){\
		2714	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2715	}else{\
		2716	zoom_x_increment = (xmax - xmin)/20;\
		2717	pan_x_increment = (xmax - xmin)/20;\
		2718	};\
7653	schaersvoo	2719	function start_canvas%d(type){\
		2720	switch(type){\
7729	schaersvoo	2721	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2722	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	2723	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2724	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2725	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2726	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2727	case 6:location.reload();break;\
		2728	default:break;\
		2729	};\
		2730	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2731	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2732	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2733	%s\
		2734	};\
		2735	start_canvas%d(22);\
7614	schaersvoo	2736	};\n\
		2737	<!-- end wims_canvas_function -->\n\
7729	schaersvoo	2738	wims_canvas_function%d();\n",precision,xmin,xmax,ymin,ymax,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7614	schaersvoo	2739	/* done writing the javascript include file */
		2740	fclose(js_include_file);
		2741
		2742	}
		2743
		2744	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2745	if(use_tooltip == TRUE){
		2746	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2747	}
		2748	exit(EXIT_SUCCESS);
		2749	}
		2750	/* end main() */
		2751
		2752	/******************************************************************************
		2753	**
		2754	** sync_input
		2755	**
		2756	** synchronises input line - reads to end of line, leaving file pointer
		2757	** at first character of next line.
		2758	**
		2759	** Used by:
		2760	** main program - error handling.
		2761	**
		2762	******************************************************************************/
		2763	void sync_input(FILE *infile)
		2764	{
		2765	int c = 0;
		2766
7658	schaersvoo	2767	if( c == '\n' \|\| c == ';' ) return;
		2768	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2769	if( c == EOF ) finished = 1;
7658	schaersvoo	2770	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2771	return;
		2772	}
		2773
		2774	/******************************************************************************/
		2775
		2776	char str_replace(const char str, const char old, const char new){
		2777	/* http://creativeandcritical.net/str-replace-c/ */
		2778	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2779	char ret, r;
		2780	const char p, q;
		2781	size_t oldlen = strlen(old);
		2782	size_t count = 0;
		2783	size_t retlen = 0;
		2784	size_t newlen = strlen(new);
		2785	if (oldlen != newlen){
		2786	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2787	count++;
		2788	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2789	}
		2790	}
		2791	else
		2792	{
		2793	retlen = strlen(str);
		2794	}
		2795
		2796	if ((ret = malloc(retlen + 1)) == NULL){
		2797	ret = NULL;
		2798	canvas_error("string argument is NULL");
		2799	}
		2800	else
		2801	{
		2802	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2803	size_t l = q - p;
		2804	memcpy(r, p, l);
		2805	r += l;
		2806	memcpy(r, new, newlen);
		2807	r += newlen;
		2808	}
		2809	strcpy(r, p);
		2810	}
		2811	return ret;
		2812	}
		2813
		2814	/******************************************************************************/
		2815	/*
		2816	avoid the use of ctypes.h for tolower() toupper();
		2817	it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
		2818	Upper case -> Lower case : c = c - 'A'+ 'a';
		2819	Lower case -> Upper case c = c + 'A' - 'a';
		2820	*/
		2821	int tolower(int c){
		2822	if(c <= 'Z'){
		2823	if (c >= 'A'){
		2824	return c - 'A' + 'a';
		2825	}
		2826	}
		2827	return c;
		2828	}
		2829
		2830	int toupper(int c){
		2831	if(c >= 'a' && c <= 'z'){
		2832	return c + 'A' - 'a';
		2833	}
		2834	return c;
		2835	}
		2836
		2837	char get_color(FILE infile , int last){
		2838	int c,i = 0,is_hex = 0;
		2839	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2840	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2841	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2842	if( c == '#' ){
		2843	is_hex = 1;
		2844	}
		2845	if( c != ' '){
		2846	temp[i]=tolower(c);
		2847	i++;
		2848	}
		2849	}
7658	schaersvoo	2850	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2851	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2852	if( c == EOF ){finished = 1;}
		2853	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2854	temp[i]='\0';
		2855	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2856	if( is_hex == 1 ){
		2857	char red[3], green[3], blue[3];
		2858	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2859	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2860	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2861	int r = (int) strtol(red, NULL, 16);
		2862	int g = (int) strtol(green, NULL, 16);
		2863	int b = (int) strtol(blue, NULL, 16);
		2864	string = (char *)my_newmem(12);
		2865	snprintf(string,11,"%d,%d,%d",r,g,b);
		2866	return string;
		2867	}
		2868	else
		2869	{
		2870	string = (char *)my_newmem(sizeof(temp));
		2871	snprintf(string,sizeof(temp),"%s",temp);
		2872	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2873	if( strcmp( colors[i].name , string ) == 0 ){
		2874	return colors[i].rgb;
		2875	}
		2876	}
		2877	}
		2878	/* not found...return error */
		2879	free(string);string = NULL;
		2880	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2881	return NULL;
		2882	}
		2883
		2884	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2885	int c,i=0;
		2886	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2887	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2888	temp[i]=c;
		2889	i++;
		2890	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2891	}
7748	schaersvoo	2892	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
		2893	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2894	if( c == EOF ) {
		2895	finished = 1;
		2896	if( last != 1 ){ canvas_error("expected more arguments");}
		2897	}
		2898	temp[i]='\0';
		2899	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2900	string=(char *)my_newmem(strlen(temp));
		2901	snprintf(string,sizeof(temp),"%s",temp);
		2902	return string;
		2903	}
		2904
		2905	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2906	int c,i=0;
		2907	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2908	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2909	temp[i]=c;
		2910	i++;
		2911	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2912	}
7748	schaersvoo	2913	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
		2914	if( c == '\n') { line_number++; }
7614	schaersvoo	2915	if( c == EOF ) {finished = 1;}
		2916	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2917	temp[i]='\0';
		2918	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2919	string=(char *)my_newmem(sizeof(temp));
		2920	snprintf(string,sizeof(temp),"%s",temp);
		2921	done = TRUE;
		2922	return string;
		2923	}
		2924
		2925	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2926	int c,i=0,found_calc = 0;
		2927	double y;
		2928	char tmp[MAX_INT];
7658	schaersvoo	2929	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2930	if( c != ' ' ){
		2931	/*
		2932	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
		2933	We will check after assert() if it's a NULL pointer...and exit program via :
		2934	canvas_error("I'm having trouble parsing your \"expression\" ");
		2935	*/
		2936	if( i == 0 && c == '+' ){
		2937	continue;
		2938	}
		2939	else
		2940	{
		2941	if(canvas_iscalculation(c) != 0){
		2942	found_calc = 1;
		2943	c = tolower(c);
		2944	}
		2945	tmp[i] = c;
		2946	i++;
		2947	}
		2948	}
		2949	if( i > MAX_INT - 1){canvas_error("number too large");}
		2950	}
7658	schaersvoo	2951	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
		2952	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2953	if( c == EOF ){done = TRUE ; finished = 1;}
		2954	tmp[i]='\0';
		2955	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2956	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
		2957	void *f = evaluator_create(tmp);
		2958	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
		2959	y = evaluator_evaluate_x(f, 1);
		2960	/* if function is bogus; y = 1 : so no core dumps */
		2961	evaluator_destroy(f);
		2962	}
		2963	else
		2964	{
		2965	y = atof(tmp);
		2966	}
		2967	return y;
		2968	}
		2969	void canvas_error(char *msg){
7748	schaersvoo	2970	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	2971	finished = 1;
		2972	exit(EXIT_SUCCESS);
		2973	}
		2974
		2975
		2976	/* convert x/y coordinates to pixel */
		2977	int x2px(double x){
		2978	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		2979	}
		2980
		2981	int y2px(double y){
		2982	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		2983	}
		2984
		2985	double px2x(int x){
		2986	return (x*(xmax - xmin)/xsize + xmin);
		2987	}
		2988	double px2y(int y){
		2989	return (y*(ymax - ymin)/ysize + ymin);
		2990	}
		2991
		2992	void add_to_buffer(char *tmp){
		2993	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		2994	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		2995	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		2996	if( space_left > strlen(tmp)){
		2997	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		2998	}
		2999	else
		3000	{
		3001	canvas_error("buffer is too big\n");
		3002	}
		3003	tmp = NULL;free(tmp);
		3004	return;
		3005	}
		3006
		3007	void reset(){
		3008	if(use_filled == TRUE){use_filled = FALSE;}
		3009	if(use_dashed == TRUE){use_dashed = FALSE;}
		3010	if(use_translate == TRUE){use_translate = FALSE;}
		3011	if(use_rotate == TRUE){use_rotate = FALSE;}
		3012	onclick = 0;
		3013	}
		3014
		3015
		3016
		3017	/* What reply format in read_canvas();
		3018
		3019	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3020	1 = x1,x2,x3,x4....x_n
		3021	y1,y2,y3,y4....y_n
		3022
		3023	x/y in pixels
		3024
		3025	2 = x1,x2,x3,x4....x_n
		3026	y1,y2,y3,y4....y_n
		3027	x/y in xrange / yrange coordinate system
		3028
		3029	3 = x1,x2,x3,x4....x_n
		3030	y1,y2,y3,y4....y_n
		3031	r1,r2,r3,r4....r_n
		3032
		3033	x/y in pixels
		3034	r in pixels
		3035
		3036	4 = x1,x2,x3,x4....x_n
		3037	y1,y2,y3,y4....y_n
		3038	r1,r2,r3,r4....r_n
		3039
		3040	x/y in xrange / yrange coordinate system
		3041	r in pixels
		3042
		3043	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3044	Ay1,Ay2,Ay3,Ay4....Ay_n
		3045	Bx1,Bx2,Bx3,Bx4....Bx_n
		3046	By1,By2,By3,By4....By_n
		3047	Cx1,Cx2,Cx3,Cx4....Cx_n
		3048	Cy1,Cy2,Cy3,Cy4....Cy_n
		3049	....
		3050	Zx1,Zx2,Zx3,Zx4....Zx_n
		3051	Zy1,Zy2,Zy3,Zy4....Zy_n
		3052
		3053	x/y in pixels
		3054
		3055	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3056	Ay1,Ay2,Ay3,Ay4....Ay_n
		3057	Bx1,Bx2,Bx3,Bx4....Bx_n
		3058	By1,By2,By3,By4....By_n
		3059	Cx1,Cx2,Cx3,Cx4....Cx_n
		3060	Cy1,Cy2,Cy3,Cy4....Cy_n
		3061	....
		3062	Zx1,Zx2,Zx3,Zx4....Zx_n
		3063	Zy1,Zy2,Zy3,Zy4....Zy_n
		3064
		3065	x/y in xrange / yrange coordinate system
		3066
		3067	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3068
		3069	x/y in pixels
		3070
		3071	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
		3072
		3073	x/y in xrange / yrange coordinate system
		3074
		3075	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3076
		3077	x/y in pixels
		3078
		3079	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
		3080
		3081	x/y in xrange / yrange coordinate system
		3082
		3083	11 = Ax1,Ay1,Ax2,Ay2
		3084	Bx1,By1,Bx2,By2
		3085	Cx1,Cy1,Cx2,Cy2
		3086	Dx1,Dy1,Dx2,Dy2
		3087	......
		3088	Zx1,Zy1,Zx2,Zy2
		3089
		3090	x/y in xrange / yrange coordinate system
		3091
		3092	12 = Ax1,Ay1,Ax2,Ay2
		3093	Bx1,By1,Bx2,By2
		3094	Cx1,Cy1,Cx2,Cy2
		3095	Dx1,Dy1,Dx2,Dy2
		3096	......
		3097	Zx1,Zy1,Zx2,Zy2
		3098
		3099	x/y in pixels
		3100
		3101	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3102
		3103	x/y in xrange / yrange coordinate system
		3104	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3105	x/y in pixels
		3106	15 = reply from inputfields,textareas
		3107	reply1,reply2,reply3,...,reply_n
		3108
		3109	16 = read mathml inputfields only
		3110
		3111	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3112	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3113
		3114	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3115	19 = return clicked object number (analogue to shape-library onclick)
		3116	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3117	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3118	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3119	x/y in xrange / yrange coordinate system
7782	schaersvoo	3120	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3121	*/
		3122
		3123
		3124	void add_read_canvas(int type_reply){
		3125	/* just 1 reply type allowed */
		3126	switch(type_reply){
		3127	/* TO DO
		3128	!!!! NEED TO SIMPLIFY !!!!
		3129	answers may have:
		3130	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3131	*/
		3132	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3133	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3134	function read_canvas(){\
		3135	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3136	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3137	var p = 0;var input_reply = new Array();\
		3138	if( document.getElementById(\"canvas_input0\")){\
		3139	var t = 0;\
		3140	while(document.getElementById(\"canvas_input\"+t)){\
		3141	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3142	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3143	p++;\
		3144	};\
		3145	t++;\
		3146	};\
		3147	};\
		3148	if( typeof userdraw_text != 'undefined' ){\
		3149	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3150	}\
		3151	else\
		3152	{\
		3153	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3154	}\
		3155	}\
		3156	else\
		3157	{\
		3158	if( typeof userdraw_text != 'undefined' ){\
		3159	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3160	}\
		3161	else\
		3162	{\
		3163	return userdraw_x+\"\\n\"+userdraw_y;\
		3164	}\
		3165	};\
		3166	};\
		3167	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3168	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3169	break;
		3170	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3171	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3172	function read_canvas(){\
		3173	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3174	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3175	while(userdraw_x[p]){\
		3176	reply_x[p] = px2x(userdraw_x[p]);\
		3177	reply_y[p] = px2y(userdraw_y[p]);\
		3178	p++;\
		3179	};\
		3180	if(p == 0){alert(\"nothing drawn...\");return;};\
		3181	if( document.getElementById(\"canvas_input0\")){\
		3182	var p = 0;var input_reply = new Array();\
		3183	if( document.getElementById(\"canvas_input0\")){\
		3184	var t = 0;\
		3185	while(document.getElementById(\"canvas_input\"+t)){\
		3186	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3187	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3188	p++;\
		3189	};\
		3190	t++;\
		3191	};\
		3192	};\
		3193	if( typeof userdraw_text != 'undefined' ){\
		3194	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3195	}\
		3196	else\
		3197	{\
		3198	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3199	}\
		3200	}\
		3201	else\
		3202	{\
		3203	if( typeof userdraw_text != 'undefined' ){\
		3204	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3205	}\
		3206	else\
		3207	{\
		3208	return reply_x+\"\\n\"+reply_y;\
		3209	};\
		3210	};\
		3211	};\
		3212	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3213	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3214	break;
		3215	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3216	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3217	function read_canvas(){\
		3218	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3219	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3220	var p = 0;var input_reply = new Array();\
		3221	if( document.getElementById(\"canvas_input0\")){\
		3222	var t = 0;\
		3223	while(document.getElementById(\"canvas_input\"+t)){\
		3224	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3225	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3226	p++;\
		3227	};\
		3228	t++;\
		3229	};\
		3230	};\
		3231	if( typeof userdraw_text != 'undefined' ){\
		3232	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3233	}\
		3234	else\
		3235	{\
		3236	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3237	}\
		3238	}\
		3239	else\
		3240	{\
		3241	if( typeof userdraw_text != 'undefined' ){\
		3242	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3243	}\
		3244	else\
		3245	{\
		3246	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3247	}\
		3248	}\
		3249	};\
		3250	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3251	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3252	break;
		3253	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3254	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3255	function read_canvas(){\
		3256	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3257	while(userdraw_x[p]){\
		3258	reply_x[p] = px2x(userdraw_x[p]);\
		3259	reply_y[p] = px2y(userdraw_y[p]);\
		3260	p++;\
		3261	};\
		3262	if(p == 0){alert(\"nothing drawn...\");return;};\
		3263	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3264	var p = 0;var input_reply = new Array();\
		3265	if( document.getElementById(\"canvas_input0\")){\
		3266	var t = 0;\
		3267	while(document.getElementById(\"canvas_input\"+t)){\
		3268	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3269	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3270	p++;\
		3271	};\
		3272	t++;\
		3273	};\
		3274	};\
		3275	if( typeof userdraw_text != 'undefined' ){\
		3276	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3277	}\
		3278	else\
		3279	{\
		3280	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3281	}\
		3282	}\
		3283	else\
		3284	{\
		3285	if( typeof userdraw_text != 'undefined' ){\
		3286	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3287	}\
		3288	else\
		3289	{\
		3290	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3291	}\
		3292	};\
		3293	};\
		3294	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3295	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3296	break;
		3297	/*
		3298	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3299	used for userdraw multiple paths
		3300	*/
		3301	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3302	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3303	function read_canvas(){\
		3304	var p = 0;\
		3305	var reply = \"\";\
		3306	for(p = 0; p < userdraw_x.length;p++){\
		3307	if(userdraw_x[p] != null ){\
		3308	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3309	};\
		3310	};\
		3311	if(p == 0){alert(\"nothing drawn...\");return;};\
		3312	userdraw_x = [];userdraw_y = [];\
		3313	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3314	var p = 0;var input_reply = new Array();\
		3315	if( document.getElementById(\"canvas_input0\")){\
		3316	var t = 0;\
		3317	while(document.getElementById(\"canvas_input\"+t)){\
		3318	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3319	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3320	p++;\
		3321	};\
		3322	t++;\
		3323	};\
		3324	};\
		3325	if( typeof userdraw_text != 'undefined' ){\
		3326	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3327	}\
		3328	else\
		3329	{\
		3330	return reply +\"\\n\"+input_reply;\
		3331	}\
		3332	}\
		3333	else\
		3334	{\
		3335	if( typeof userdraw_text != 'undefined' ){\
		3336	return reply+\"\\n\"+userdraw_text;\
		3337	}\
		3338	else\
		3339	{\
		3340	return reply;\
		3341	}\
		3342	};\
		3343	};\
7654	schaersvoo	3344	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3345	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3346	break;
		3347	/*
		3348	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3349	used for userdraw multiple paths
		3350	*/
		3351	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3352	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3353	function read_canvas(){\
		3354	var p = 0;\
		3355	var reply = \"\";\
		3356	var tmp_x = new Array();\
		3357	var tmp_y = new Array();\
		3358	for(p = 0 ; p < userdraw_x.length; p++){\
		3359	tmp_x = userdraw_x[p];\
		3360	tmp_y = userdraw_y[p];\
		3361	if(tmp_x != null){\
		3362	for(var i = 0 ; i < tmp_x.length ; i++){\
		3363	tmp_x[i] = px2x(tmp_x[i]);\
		3364	tmp_y[i] = px2y(tmp_y[i]);\
		3365	};\
		3366	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3367	};\
		3368	};\
		3369	if(p == 0){alert(\"nothing drawn...\");return;};\
		3370	userdraw_x = [];userdraw_y = [];\
		3371	if( document.getElementById(\"canvas_input0\") ){\
		3372	var p = 0;var input_reply = new Array();\
		3373	if( document.getElementById(\"canvas_input0\")){\
		3374	var t = 0;\
		3375	while(document.getElementById(\"canvas_input\"+t)){\
		3376	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3377	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3378	p++;\
		3379	};\
		3380	t++;\
		3381	};\
		3382	};\
		3383	if( typeof userdraw_text != 'undefined' ){\
		3384	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3385	}\
		3386	else\
		3387	{\
		3388	return reply +\"\\n\"+input_reply;\
		3389	}\
		3390	}\
		3391	else\
		3392	{\
		3393	if( typeof userdraw_text != 'undefined' ){\
		3394	return reply +\"\\n\"+userdraw_text;\
		3395	}\
		3396	else\
		3397	{\
		3398	return reply;\
		3399	}\
		3400	};\
		3401	};\
		3402	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3403	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3404	break;
		3405	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3406	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3407	function read_canvas(){\
		3408	var reply = new Array();\
		3409	var p = 0;\
		3410	while(userdraw_x[p]){\
		3411	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3412	p++;\
		3413	};\
		3414	if(p == 0){alert(\"nothing drawn...\");return;};\
		3415	if( document.getElementById(\"canvas_input0\") ){\
		3416	var p = 0;var input_reply = new Array();\
		3417	if( document.getElementById(\"canvas_input0\")){\
		3418	var t = 0;\
		3419	while(document.getElementById(\"canvas_input\"+t)){\
		3420	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3421	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3422	p++;\
		3423	};\
		3424	t++;\
		3425	};\
		3426	};\
		3427	if( typeof userdraw_text != 'undefined' ){\
		3428	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3429	}\
		3430	else\
		3431	{\
		3432	return reply+\"\\n\"+input_reply;\
		3433	}\
		3434	};\
		3435	else\
		3436	{\
		3437	if( typeof userdraw_text != 'undefined' ){\
		3438	return reply+\"\\n\"+userdraw_text;\
		3439	}\
		3440	else\
		3441	{\
		3442	return reply;\
		3443	}\
		3444	};\
		3445	};\
		3446	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3447	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3448	break;
		3449	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3450	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3451	function read_canvas(){\
		3452	var reply = new Array();\
		3453	var p = 0;\
		3454	while(userdraw_x[p]){\
		3455	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3456	p++;\
		3457	};\
		3458	if(p == 0){alert(\"nothing drawn...\");return;};\
		3459	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3460	var p = 0;var input_reply = new Array();\
		3461	if( document.getElementById(\"canvas_input0\")){\
		3462	var t = 0;\
		3463	while(document.getElementById(\"canvas_input\"+t)){\
		3464	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3465	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3466	p++;\
		3467	};\
		3468	t++;\
		3469	};\
		3470	};\
		3471	if( typeof userdraw_text != 'undefined' ){\
		3472	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3473	}\
		3474	else\
		3475	{\
		3476	return reply +\"\\n\"+input_reply;\
		3477	}\
		3478	}\
		3479	else\
		3480	{\
		3481	if( typeof userdraw_text != 'undefined' ){\
		3482	return reply +\"\\n\"+userdraw_text;\
		3483	}\
		3484	else\
		3485	{\
		3486	return reply;\
		3487	}\
		3488	};\
		3489	};\
		3490	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3491	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3492	break;
		3493	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3494	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3495	function read_canvas(){\
		3496	var reply = new Array();\
		3497	var p = 0;\
		3498	while(userdraw_x[p]){\
		3499	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3500	p++;\
		3501	};\
		3502	if(p == 0){alert(\"nothing drawn...\");return;};\
		3503	if( document.getElementById(\"canvas_input0\") ){\
		3504	var p = 0;var input_reply = new Array();\
		3505	if( document.getElementById(\"canvas_input0\")){\
		3506	var t = 0;\
		3507	while(document.getElementById(\"canvas_input\"+t)){\
		3508	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3509	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3510	p++;\
		3511	};\
		3512	t++;\
		3513	};\
		3514	};\
		3515	if( typeof userdraw_text != 'undefined' ){\
		3516	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3517	}\
		3518	else\
		3519	{\
		3520	return reply +\"\\n\"+input_reply;\
		3521	}\
		3522	}\
		3523	else\
		3524	{\
		3525	if( typeof userdraw_text != 'undefined' ){\
		3526	return reply +\"\\n\"+userdraw_text;\
		3527	}\
		3528	else\
		3529	{\
		3530	return reply;\
		3531	}\
		3532	};\
		3533	};\
		3534	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3535	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3536	break;
		3537	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3538	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3539	function read_canvas(){\
		3540	var reply = new Array();\
		3541	var p = 0;\
		3542	while(userdraw_x[p]){\
		3543	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3544	p++;\
		3545	};\
		3546	if(p == 0){alert(\"nothing drawn...\");return;};\
		3547	if( document.getElementById(\"canvas_input0\") ){\
		3548	var p = 0;var input_reply = new Array();\
		3549	if( document.getElementById(\"canvas_input0\")){\
		3550	var t = 0;\
		3551	while(document.getElementById(\"canvas_input\"+t)){\
		3552	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3553	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3554	p++;\
		3555	};\
		3556	t++;\
		3557	};\
		3558	};\
		3559	if( typeof userdraw_text != 'undefined' ){\
		3560	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3561	}\
		3562	else\
		3563	{\
		3564	return reply +\"\\n\"+input_reply;\
		3565	}\
		3566	}\
		3567	else\
		3568	{\
		3569	if( typeof userdraw_text != 'undefined' ){\
		3570	return reply +\"\\n\"+userdraw_text;\
		3571	}\
		3572	else\
		3573	{\
		3574	return reply;\
		3575	}\
		3576	};\
		3577	};\
		3578	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3579	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3580	break;
		3581	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3582	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3583	function read_canvas(){\
		3584	var reply = \"\";\
		3585	var p = 0;\
		3586	while(userdraw_x[p]){\
		3587	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3588	p = p+2;\
		3589	};\
		3590	if(p == 0){alert(\"nothing drawn...\");return;};\
		3591	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3592	var p = 0;var input_reply = new Array();\
		3593	if( document.getElementById(\"canvas_input0\")){\
		3594	var t = 0;\
		3595	while(document.getElementById(\"canvas_input\"+t)){\
		3596	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3597	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3598	p++;\
		3599	};\
		3600	t++;\
		3601	};\
		3602	};\
		3603	if( typeof userdraw_text != 'undefined' ){\
		3604	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3605	}\
		3606	else\
		3607	{\
		3608	return reply +\"\\n\"+input_reply;\
		3609	}\
		3610	}\
		3611	else\
		3612	{\
		3613	if( typeof userdraw_text != 'undefined' ){\
		3614	return reply +\"\\n\"+userdraw_text;\
		3615	}\
		3616	else\
		3617	{\
		3618	return reply;\
		3619	}\
		3620	};\
		3621	};\
		3622	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3623	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3624	break;
		3625	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3626	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3627	function read_canvas(){\
		3628	var reply = \"\";\
		3629	var p = 0;\
		3630	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3631	if(userdraw_x[p] != null){\
		3632	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3633	};\
		3634	};\
		3635	if(p == 0){alert(\"nothing drawn...\");return;};\
		3636	if( document.getElementById(\"canvas_input0\") ){\
		3637	var p = 0;var input_reply = new Array();\
		3638	if( document.getElementById(\"canvas_input0\")){\
		3639	var t = 0;\
		3640	while(document.getElementById(\"canvas_input\"+t)){\
		3641	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3642	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3643	p++;\
		3644	};\
		3645	t++;\
		3646	};\
		3647	};\
		3648	if( typeof userdraw_text != 'undefined' ){\
		3649	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3650	}\
		3651	else\
		3652	{\
		3653	return reply +\"\\n\"+input_reply;\
		3654	}\
		3655	}\
		3656	else\
		3657	{\
		3658	if( typeof userdraw_text != 'undefined' ){\
		3659	return reply +\"\\n\"+userdraw_text\
		3660	}\
		3661	else\
		3662	{\
		3663	return reply;\
		3664	}\
		3665	};\
		3666	};\
		3667	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3668	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3669	break;
		3670	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3671	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3672	function read_canvas(){\
		3673	var reply = new Array();\
		3674	var p = 0;var i = 0;\
		3675	while(userdraw_x[p]){\
		3676	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3677	p = p+2;i++;\
		3678	};\
		3679	if(p == 0){alert(\"nothing drawn...\");return;};\
		3680	if( document.getElementById(\"canvas_input0\") ){\
		3681	var p = 0;var input_reply = new Array();\
		3682	if( document.getElementById(\"canvas_input0\")){\
		3683	var t = 0;\
		3684	while(document.getElementById(\"canvas_input\"+t)){\
		3685	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3686	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3687	p++;\
		3688	};\
		3689	t++;\
		3690	};\
		3691	};\
		3692	if( typeof userdraw_text != 'undefined' ){\
		3693	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3694	}\
		3695	else\
		3696	{\
		3697	return reply +\"\\n\"+input_reply;\
		3698	}\
		3699	}\
		3700	else\
		3701	{\
		3702	if( typeof userdraw_text != 'undefined' ){\
		3703	return reply +\"\\n\"+userdraw_text\
		3704	}\
		3705	else\
		3706	{\
		3707	return reply;\
		3708	}\
		3709	};\
		3710	};\
		3711	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3712	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3713	break;
		3714	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3715	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3716	function read_canvas(){\
		3717	var reply = new Array();\
		3718	var p = 0;var i = 0;\
		3719	while(userdraw_x[p]){\
		3720	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3721	p = p+2;i++;\
		3722	};\
		3723	if(p == 0){alert(\"nothing drawn...\");return;};\
		3724	if( document.getElementById(\"canvas_input0\") ){\
		3725	var p = 0;var input_reply = new Array();\
		3726	if( document.getElementById(\"canvas_input0\")){\
		3727	var t = 0;\
		3728	while(document.getElementById(\"canvas_input\"+t)){\
		3729	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3730	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3731	p++;\
		3732	};\
		3733	t++;\
		3734	};\
		3735	};\
		3736	if( typeof userdraw_text != 'undefined' ){\
		3737	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3738	}\
		3739	else\
		3740	{\
		3741	return reply +\"\\n\"+input_reply;\
		3742	}\
		3743	}\
		3744	else\
		3745	{\
		3746	if( typeof userdraw_text != 'undefined' ){\
		3747	return reply +\"\\n\"+userdraw_text;\
		3748	}\
		3749	else\
		3750	{\
		3751	return reply;\
		3752	}\
		3753	};\
		3754	};\
		3755	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3756	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3757	break;
		3758	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3759	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3760	function read_canvas(){\
		3761	var input_reply = new Array();\
		3762	var p = 0;\
		3763	if( document.getElementById(\"canvas_input0\")){\
		3764	var t = 0;\
		3765	while(document.getElementById(\"canvas_input\"+t)){\
		3766	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3767	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3768	p++;\
		3769	};\
		3770	t++;\
		3771	};\
		3772	};\
		3773	if( typeof userdraw_text != 'undefined' ){\
		3774	return input_reply +\"\\n\"+userdraw_text;\
		3775	}\
		3776	else\
		3777	{\
		3778	return input_reply;\
		3779	};\
		3780	};\
		3781	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3782	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3783	break;
		3784	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3785	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3786	function read_mathml(){\
		3787	var reply = new Array();\
		3788	var p = 0;\
		3789	if( document.getElementById(\"mathml0\")){\
		3790	while(document.getElementById(\"mathml\"+p)){\
		3791	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3792	p++;\
		3793	};\
		3794	};\
		3795	return reply;\
		3796	};\
		3797	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3798	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3799	break;
		3800	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3801	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3802	function read_canvas(){\
		3803	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3804	return userdraw_text;\
		3805	};\
		3806	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3807	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3808	break;
		3809	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3810	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3811	function read_canvas(){\
		3812	var p = 0;\
		3813	var reply = new Array();\
		3814	var name;\
		3815	var t = true;\
		3816	while(t){\
		3817	try{ name = eval('clocks'+p);\
		3818	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;};\
		3819	};\
		3820	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3821	return reply;\
		3822	};\
		3823	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3824	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3825	break;
		3826	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3827	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3828	function read_canvas(){\
		3829	return reply[0];\
		3830	};\
		3831	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3832	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3833	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3834	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3835	function read_canvas(){\
		3836	var len = ext_drag_images.length;\
		3837	var reply = new Array(len);\
		3838	for(var p = 0 ; p < len ; p++){\
		3839	var img = ext_drag_images[p];\
		3840	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3841	};\
		3842	return reply;\
		3843	};\
		3844	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3845	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3846	break;
		3847	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3848	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3849	function read_canvas(){\
		3850	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3851	var reply_coord = new Array();var p = 0;\
		3852	while(userdraw_x[p]){\
		3853	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3854	p++;\
		3855	};\
		3856	if(p == 0){alert(\"nothing drawn...\");return;};\
		3857	if( document.getElementById(\"canvas_input0\") ){\
		3858	var p = 0;var input_reply = new Array();\
		3859	if( document.getElementById(\"canvas_input0\")){\
		3860	var t = 0;\
		3861	while(document.getElementById(\"canvas_input\"+t)){\
		3862	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3863	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3864	p++;\
		3865	};\
		3866	t++;\
		3867	};\
		3868	};\
		3869	if( typeof userdraw_text != 'undefined' ){\
		3870	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3871	}\
		3872	else\
		3873	{\
		3874	return reply_coord+\"\\n\"+input_reply;\
		3875	}\
		3876	}\
		3877	else\
		3878	{\
		3879	if( typeof userdraw_text != 'undefined' ){\
		3880	return reply_coord+\"\\n\"+userdraw_text;\
		3881	}\
		3882	else\
		3883	{\
		3884	return reply_coord;\
		3885	};\
		3886	};\
		3887	};\
		3888	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3889	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3890	break;
		3891	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3892	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3893	function read_canvas(){\
		3894	var reply = new Array();\
		3895	var p = 0;\
		3896	var idx = 0;\
		3897	while(userdraw_x[p]){\
		3898	reply[idx] = px2x(userdraw_x[p]);\
		3899	idx++;\
		3900	reply[idx] = px2y(userdraw_y[p]);\
		3901	idx++;p++;\
		3902	};\
		3903	if(p == 0){alert(\"nothing drawn...\");return;};\
		3904	if( document.getElementById(\"canvas_input0\") ){\
		3905	var p = 0;var input_reply = new Array();\
		3906	if( document.getElementById(\"canvas_input0\")){\
		3907	var t = 0;\
		3908	while(document.getElementById(\"canvas_input\"+t)){\
		3909	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3910	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3911	p++;\
		3912	};\
		3913	t++;\
		3914	};\
		3915	};\
		3916	if( typeof userdraw_text != 'undefined' ){\
		3917	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3918	}\
		3919	else\
		3920	{\
		3921	return reply +\"\\n\"+input_reply;\
		3922	}\
		3923	}\
		3924	else\
		3925	{\
		3926	if( typeof userdraw_text != 'undefined' ){\
		3927	return reply +\"\\n\"+userdraw_text;\
		3928	}\
		3929	else\
		3930	{\
		3931	return reply;\
		3932	}\
		3933	};\
		3934	};\
		3935	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3936	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3937	break;
7782	schaersvoo	3938	case 23: fprintf(js_include_file,"\
		3939	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3940	function read_canvas(){\
		3941	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3942	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3943	var lu = userdraw_x.length;\
		3944	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3945	var marge = 5;\
		3946	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3947	for(var i = 0; i < lu - 1 ; i++ ){\
		3948	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3949	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3950	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3951	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3952	p++;\
		3953	};\
		3954	};\
		3955	};\
		3956	if( document.getElementById(\"canvas_input0\")){\
		3957	var p = 0;var input_reply = new Array();\
		3958	if( document.getElementById(\"canvas_input0\")){\
		3959	var t = 0;\
		3960	while(document.getElementById(\"canvas_input\"+t)){\
		3961	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3962	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3963	p++;\
		3964	};\
		3965	t++;\
		3966	};\
		3967	};\
		3968	if( typeof userdraw_text != 'undefined' ){\
		3969	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3970	}\
		3971	else\
		3972	{\
		3973	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3974	}\
		3975	}\
		3976	else\
		3977	{\
		3978	if( typeof userdraw_text != 'undefined' ){\
		3979	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3980	}\
		3981	else\
		3982	{\
		3983	return reply_x+\"\\n\"+reply_y;\
		3984	};\
		3985	};\
		3986	};\
		3987	this.read_canvas = read_canvas;\n\
		3988	<!-- end function 23 read_canvas() -->");
		3989	break;
7614	schaersvoo	3990
		3991	default: canvas_error("hmmm unknown replyformat...");break;
		3992	}
		3993	return;
		3994	}
		3995
		3996
		3997	/*
		3998	add drawfunction :
		3999	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4000	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4001	- grid / mathml
		4002	- will not scale or zoom in
		4003	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
		4004	- is printed directly into 'js_include_file'
		4005	*/
		4006
		4007	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4008	int i;
		4009	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4010	if( js_functions[i] == 1){
		4011	switch(i){
		4012	case DRAG_EXTERNAL_IMAGE:
		4013	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4014	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4015	var external_ctx = external_canvas.getContext(\"2d\");\
		4016	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4017	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4018	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4019	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4020	var selected_image = null;\
		4021	var ext_image_cnt = 0;\
		4022	var ext_drag_images = new Array();\
		4023	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4024	ext_image_cnt = idx;\
		4025	var image = new Image();\
		4026	image.src = URL;\
		4027	image.onload = function(){\
		4028	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4029	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4030	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4031	img = new Array(10);\
		4032	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4033	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4034	ext_drag_images[idx] = img;\
		4035	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4036	};\
		4037	};\
		4038	function dragstop(evt){\
		4039	selected_image = null;return;\
		4040	};\
		4041	function dragxy(evt){\
		4042	if( selected_image != null ){\
		4043	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4044	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4045	var s_img = ext_drag_images[selected_image];\
		4046	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4047	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4048	ext_drag_images[selected_image] = s_img;\
		4049	external_ctx.clearRect(0,0,xsize,ysize);\
		4050	for(var i = 0; i <= ext_image_cnt ; i++){\
		4051	var img = ext_drag_images[i];\
		4052	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4053	};\
		4054	};\
		4055	};\
		4056	function setxy(evt){\
		4057	if( ! selected_image && evt.which == 1 ){\
		4058	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4059	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4060	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4061	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4062	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4063	var img = ext_drag_images[p];\
		4064	if( img[0] == 1 ){\
		4065	var w = img.width;\
		4066	var h = img.height;\
		4067	if( xm > img[6] && xm < img[6] + img[4]){\
		4068	if( ym > img[7] && ym < img[7] + img[5]){\
		4069	img[6] = xm;\
		4070	img[7] = ym;\
		4071	ext_drag_images[p] = img;\
		4072	selected_image = p;\
		4073	dragxy(evt);\
		4074	};\
		4075	};\
		4076	};\
		4077	};\
		4078	}\
		4079	else\
		4080	{\
		4081	selected_image = null;\
		4082	};\
7614	schaersvoo	4083	};",canvas_root_id);
		4084	break;
		4085
		4086	case DRAW_EXTERNAL_IMAGE:
		4087	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4088	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4089	var image = new Image();\
		4090	image.src = URL;\
		4091	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4092	image.onload = function(){\
		4093	if( x0 < 1 ){ x0 = 0; };\
		4094	if( y0 < 1 ){ y0 = 0; };\
		4095	if( sx < 1 ){ sx = 0; };\
		4096	if( sy < 1 ){ sy = 0; };\
		4097	if( width < 1 ){ width = image.width;};\
		4098	if( height < 1 ){ height = image.height;};\
		4099	if( swidth < 1 ){ swidth = image.width;};\
		4100	if( sheight < 1 ){ sheight = image.height;};\
		4101	var ml = x0 - sx;\
		4102	var mh = y0 - sy;\
		4103	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4104	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4105	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4106	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4107	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4108	};\
7653	schaersvoo	4109	};",canvas_root_id);
7614	schaersvoo	4110	break;
		4111
		4112	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4113	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4114	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4115	var obj;\
		4116	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4117	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4118	}\
		4119	else\
		4120	{\
		4121	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4122	};\
		4123	var ctx = obj.getContext(\"2d\");\
		4124	ctx.font =\"18px Ariel\";\
		4125	ctx.textAlign = \"right\";\
		4126	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4127	ctx.fillText(\"+\",xsize,ysize);\
		4128	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4129	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4130	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4131	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4132	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4133	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4134	ctx.stroke();\
7653	schaersvoo	4135	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4136
		4137	break;
		4138	case DRAW_GRIDFILL:/* not used for userdraw */
		4139	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4140	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4141	var obj;\
		4142	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4143	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4144	}\
		4145	else\
		4146	{\
		4147	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4148	};\
		4149	var ctx = obj.getContext(\"2d\");\
		4150	var x,y;\
		4151	ctx.save();\
		4152	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4153	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4154	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4155	ctx.moveTo(x,y0);\
		4156	ctx.lineTo(x,ysize);\
		4157	};\
7645	schaersvoo	4158	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4159	ctx.moveTo(x0,y);\
		4160	ctx.lineTo(xsize,y);\
		4161	};\
		4162	ctx.stroke();\
		4163	ctx.restore();\
7653	schaersvoo	4164	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4165	break;
		4166
		4167	case DRAW_IMAGEFILL:/* not used for userdraw */
		4168	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4169	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4170	var obj;\
		4171	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4172	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4173	}\
		4174	else\
		4175	{\
		4176	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4177	};\
		4178	var ctx = obj.getContext(\"2d\");\
		4179	ctx.save();\
		4180	var img = new Image();\
		4181	img.src = URL;\
		4182	img.onload = function(){\
		4183	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4184	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4185	}\
		4186	else\
		4187	{\
		4188	var repeat = \"repeat\";\
		4189	if(img.width > xsize - x0){\
		4190	repeat = \"repeat-y\";\
		4191	}\
		4192	else\
		4193	{\
		4194	if( img.height > ysize -x0 ){\
		4195	repeat = \"repeat-x\";\
		4196	}\
		4197	}\
		4198	var pattern = ctx.createPattern(img,repeat);\
		4199	ctx.rect(x0,y0,xsize,ysize);\
		4200	ctx.fillStyle = pattern;\
		4201	}\
		4202	ctx.fill();\
		4203	};\
		4204	ctx.restore();\
		4205	return;\
7653	schaersvoo	4206	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4207	break;
		4208
		4209	case DRAW_DOTFILL:/* not used for userdraw */
		4210	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4211	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4212	var obj;\
		4213	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4214	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4215	}\
		4216	else\
		4217	{\
		4218	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4219	};\
		4220	var ctx = obj.getContext(\"2d\");\
		4221	var x,y;\
		4222	ctx.closePath();\
		4223	ctx.save();\
7645	schaersvoo	4224	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4225	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4226	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4227	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4228	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4229	ctx.closePath();\
		4230	}\
		4231	}\
		4232	ctx.fill();\
		4233	ctx.restore();\
7653	schaersvoo	4234	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4235	break;
7645	schaersvoo	4236
7647	schaersvoo	4237	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4238	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4239	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4240	var obj;\
		4241	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4242	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4243	}\
		4244	else\
		4245	{\
		4246	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4247	};\
		4248	var ctx = obj.getContext(\"2d\");\
		4249	var x;\
		4250	var y;\
		4251	ctx.save();\
		4252	ctx.lineWidth = linewidth;\
		4253	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4254	y = ysize;\
		4255	for( x = x0 ; x < xsize ; x = x + dx ){\
		4256	ctx.moveTo(x,y0);\
		4257	ctx.lineTo(xsize,y);\
		4258	y = y - dy;\
		4259	};\
		4260	y = y0;\
		4261	for( x = xsize ; x > 0 ; x = x - dx){\
		4262	ctx.moveTo(x,ysize);\
		4263	ctx.lineTo(x0,y);\
		4264	y = y + dy;\
		4265	};\
		4266	x = x0;\
		4267	for( y = y0 ; y < ysize ; y = y + dy ){\
		4268	ctx.moveTo(xsize,y);\
		4269	ctx.lineTo(x,ysize);\
		4270	x = x + dx;\
		4271	};\
		4272	x = xsize;\
		4273	for( y = ysize ; y > y0 ; y = y - dy ){\
		4274	ctx.moveTo(x,y0);\
		4275	ctx.lineTo(x0,y);\
		4276	x = x - dx;\
		4277	};\
		4278	ctx.stroke();\
		4279	ctx.restore();\
		4280	return;\
7653	schaersvoo	4281	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4282	break;
7647	schaersvoo	4283
		4284	case DRAW_HATCHFILL:/* not used for userdraw */
		4285	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4286	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4287	var obj;\
		4288	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4289	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4290	}\
		4291	else\
		4292	{\
		4293	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4294	};\
		4295	var ctx = obj.getContext(\"2d\");\
		4296	var x;\
		4297	var y;\
		4298	ctx.save();\
		4299	ctx.lineWidth = linewidth;\
		4300	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4301	y = ysize;\
		4302	for( x = x0 ; x < xsize ; x = x + dx ){\
		4303	ctx.moveTo(x,y0);\
		4304	ctx.lineTo(xsize,y);\
		4305	y = y - dy;\
		4306	};\
		4307	y = y0;\
		4308	for( x = xsize ; x >= dx ; x = x - dx){\
		4309	ctx.moveTo(x,ysize);\
		4310	ctx.lineTo(x0,y);\
		4311	y = y + dy;\
		4312	};\
		4313	ctx.stroke();\
		4314	ctx.restore();\
		4315	return;\
7653	schaersvoo	4316	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4317	break;
7614	schaersvoo	4318	case DRAW_CIRCLES:/* used for userdraw */
		4319	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4320	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){\
		4321	ctx.save();\
		4322	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4323	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4324	ctx.lineWidth = line_width;\
		4325	for(var p = 0 ; p < x_points.length ; p++ ){\
		4326	ctx.beginPath();\
		4327	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4328	ctx.closePath();\
		4329	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4330	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4331	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4332	ctx.stroke();\
		4333	}\
		4334	ctx.restore();\
		4335	return;\
7653	schaersvoo	4336	};");
7614	schaersvoo	4337	break;
7663	schaersvoo	4338	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4339	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4340	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4341	ctx.save();\
		4342	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4343	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4344	ctx.lineWidth = line_width;\
		4345	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4346	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4347	ctx.clearRect(0,0,xsize,ysize);\
		4348	ctx.beginPath();\
		4349	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4350	ctx.moveTo(x_points[p],y_points[p]);\
		4351	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4352	}\
		4353	ctx.closePath();\
		4354	ctx.stroke();\
		4355	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4356	for(var p = 0 ; p < x_points.length ; p++ ){\
		4357	ctx.beginPath();\
		4358	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4359	ctx.closePath();ctx.fill();ctx.stroke();\
		4360	};\
		4361	ctx.restore();\
		4362	return;\
		4363	};");
		4364	break;
7614	schaersvoo	4365
		4366	case DRAW_SEGMENTS:/* used for userdraw */
		4367	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4368	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4369	ctx.save();\
		4370	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4371	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4372	ctx.lineWidth = line_width;\
		4373	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4374	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4375	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4376	ctx.beginPath();\
		4377	ctx.moveTo(x_points[p],y_points[p]);\
		4378	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4379	ctx.closePath();\
		4380	ctx.stroke();\
		4381	}\
		4382	ctx.restore();\
		4383	return;\
		4384	};");
		4385	break;
		4386
		4387	case DRAW_LINES:/* used for userdraw */
		4388	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4389	function calc_line(x1,x2,y1,y2){\
		4390	var marge = 2;\
		4391	if(x1 < x2+marge && x1>x2-marge){\
		4392	return [x1,0,x1,ysize];\
		4393	};\
		4394	if(y1 < y2+marge && y1>y2-marge){\
		4395	return [0,y1,xsize,y1];\
		4396	};\
		4397	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4398	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4399	return [0,Y1,xsize,Y2];\
		4400	};\
		4401	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4402	ctx.save();\
		4403	var line = new Array(4);\
		4404	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4405	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4406	ctx.lineWidth = line_width;\
		4407	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4408	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4409	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4410	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4411	ctx.beginPath();\
		4412	ctx.moveTo(line[0],line[1]);\
		4413	ctx.lineTo(line[2],line[3]);\
		4414	ctx.closePath();\
		4415	ctx.stroke();\
		4416	}\
		4417	ctx.restore();\
		4418	return;\
		4419	};");
		4420	break;
		4421
		4422	case DRAW_CROSSHAIRS:/* used for userdraw */
		4423	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4424	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4425	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4426	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4427	ctx.lineWidth = line_width;\
		4428	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4429	var x1,x2,y1,y2;\
		4430	for(var p = 0 ; p < x_points.length ; p++ ){\
		4431	x1 = x_points[p] - crosshair_size;\
		4432	x2 = x_points[p] + crosshair_size;\
		4433	y1 = y_points[p] - crosshair_size;\
		4434	y2 = y_points[p] + crosshair_size;\
		4435	ctx.beginPath();\
		4436	ctx.moveTo(x1,y1);\
		4437	ctx.lineTo(x2,y2);\
		4438	ctx.closePath();\
		4439	ctx.stroke();\
		4440	ctx.beginPath();\
		4441	ctx.moveTo(x2,y1);\
		4442	ctx.lineTo(x1,y2);\
		4443	ctx.closePath();\
		4444	ctx.stroke();\
		4445	}\
		4446	ctx.restore();\
		4447	return;\
7653	schaersvoo	4448	};");
7614	schaersvoo	4449	break;
		4450
		4451	case DRAW_RECTS:/* used for userdraw */
		4452	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4453	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){\
		4454	ctx.save();\
		4455	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4456	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4457	ctx.lineWidth = line_width;\
		4458	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4459	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4460	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4461	ctx.beginPath();\
		4462	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4463	ctx.closePath();\
		4464	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4465	ctx.stroke();\
		4466	};\
		4467	ctx.restore();\
		4468	return;\
7653	schaersvoo	4469	};");
7614	schaersvoo	4470	break;
		4471
		4472	case DRAW_ROUNDRECTS:/* used for userdraw */
		4473	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4474	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){\
		4475	ctx.save();\
		4476	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4477	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4478	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4479	var x,y,w,h,r;\
		4480	for(var p = 0; p < x_points.length; p = p+2){\
		4481	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);\
		4482	ctx.beginPath();ctx.moveTo(x + r, y);\
		4483	ctx.lineTo(x + w - r, y);\
		4484	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4485	ctx.lineTo(x + w, y + h - r);\
		4486	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4487	ctx.lineTo(x + r, y + h);\
		4488	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4489	ctx.lineTo(x, y + r);\
		4490	ctx.quadraticCurveTo(x, y, x + r, y);\
		4491	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4492	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4493	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4494	ctx.stroke();\
		4495	}\
		4496	ctx.restore();\
7653	schaersvoo	4497	};");
7614	schaersvoo	4498	break;
		4499
		4500	case DRAW_ELLIPSES:/* not used for userdraw */
		4501	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4502	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){\
		4503	var obj;\
		4504	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4505	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4506	}\
		4507	else\
		4508	{\
		4509	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4510	};\
		4511	var ctx = obj.getContext(\"2d\");\
		4512	ctx.save();\
		4513	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4514	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4515	var cx,cy,ry,rx;\
		4516	ctx.lineWidth = line_width;\
		4517	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4518	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4519	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4520	for(var p=0;p< x_points.length;p = p+2){\
		4521	ctx.beginPath();\
		4522	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4523	ctx.translate(cx - rx, cy - ry);\
		4524	ctx.scale(rx, ry);\
		4525	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4526	if( use_filled == 1 ){ctx.fill();}\
		4527	ctx.stroke();\
		4528	};\
		4529	ctx.restore();\
7653	schaersvoo	4530	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4531	break;
		4532
		4533	case DRAW_PATHS: /* used for userdraw */
		4534	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4535	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){\
		4536	ctx.save();\
		4537	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4538	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4539	ctx.lineWidth = line_width;\
		4540	ctx.lineJoin = \"round\";\
		4541	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4542	ctx.beginPath();\
		4543	ctx.moveTo(x_points[0],y_points[0]);\
		4544	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4545	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4546	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4547	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4548	ctx.stroke();\
		4549	ctx.restore();\
		4550	return;\
		4551	};");
		4552
		4553	break;
		4554	case DRAW_ARROWS:/* used for userdraw */
		4555	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4556	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){\
		4557	ctx.save();\
		4558	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4559	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4560	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4561	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4562	ctx.lineWidth = line_width;\
		4563	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4564	ctx.lineCap = \"round\";\
		4565	ctx.save();\
		4566	var x1,y1,x2,y2,dx,dy,len;\
		4567	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4568	ctx.restore();ctx.save();\
		4569	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4570	len = Math.sqrt(dxdx+dydy);\
		4571	ctx.translate(x2,y2);\
		4572	ctx.rotate(Math.atan2(dy,dx));\
		4573	ctx.lineCap = \"round\";\
		4574	ctx.beginPath();\
		4575	ctx.moveTo(0,0);\
		4576	ctx.lineTo(-len,0);\
		4577	ctx.closePath();\
		4578	ctx.stroke();\
		4579	ctx.beginPath();\
		4580	ctx.moveTo(0,0);\
		4581	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4582	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4583	ctx.closePath();\
		4584	ctx.fill();\
		4585	if( type == 2 ){\
		4586	ctx.restore();\
		4587	ctx.save();\
		4588	ctx.translate(x1,y1);\
		4589	ctx.rotate(Math.atan2(-dy,-dx));\
		4590	ctx.beginPath();\
		4591	ctx.moveTo(0,0);\
		4592	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4593	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4594	ctx.closePath();\
		4595	ctx.stroke();\
		4596	ctx.fill();\
		4597	}\
		4598	}\
		4599	ctx.restore();\
		4600	return;\
7653	schaersvoo	4601	};");
7614	schaersvoo	4602	break;
		4603
		4604	case DRAW_VIDEO:/* not used for userdraw */
		4605	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4606	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4607	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4608	var video_div = document.createElement(\"div\");\
		4609	canvas_div.appendChild(video_div);\
		4610	video_div.style.position = \"absolute\";\
		4611	video_div.style.left = x+\"px\";\
		4612	video_div.style.top = y+\"px\";\
		4613	video_div.style.width = w+\"px\";\
		4614	video_div.style.height = h+\"px\";\
		4615	var video = document.createElement(\"video\");\
		4616	video_div.appendChild(video);\
		4617	video.style.width = w+\"px\";\
		4618	video.style.height = h+\"px\";\
		4619	video.autobuffer = true;\
		4620	video.controls = true;video.autoplay = false;\
		4621	var src = document.createElement(\"source\");\
		4622	src.type = \"video/mp4\";\
		4623	src.src = URL;\
		4624	video.appendChild(src);\
		4625	video.load();\
		4626	return;\
7653	schaersvoo	4627	};");
7614	schaersvoo	4628	break;
		4629
		4630	case DRAW_AUDIO:/* not used for userdraw */
		4631	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4632	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4633	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4634	var audio_div = document.createElement(\"div\");\
		4635	canvas_div.appendChild(audio_div);\
		4636	audio_div.style.position = \"absolute\";\
		4637	audio_div.style.left = x+\"px\";\
		4638	audio_div.style.top = y+\"px\";\
		4639	audio_div.style.width = w+\"px\";\
		4640	audio_div.style.height = h+\"px\";\
		4641	var audio = document.createElement(\"audio\");\
		4642	audio_div.appendChild(audio);\
		4643	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4644	audio.autobuffer = true;\
		4645	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4646	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4647	var src1 = document.createElement(\"source\");\
		4648	src1.type = \"audio/ogg\";\
		4649	src1.src = URL1;\
		4650	audio.appendChild(src1);\
		4651	var src2 = document.createElement(\"source\");\
		4652	src2.type = \"audio/mpeg\";\
		4653	src2.src = URL2;\
		4654	audio.appendChild(src2);\
		4655	audio.load();\
		4656	return;\
7653	schaersvoo	4657	};");
7614	schaersvoo	4658	break;
		4659
		4660	case DRAW_HTTP:/* not used for userdraw */
		4661	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4662	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4663	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4664	var http_div = document.createElement(\"div\");\
		4665	var iframe = document.createElement(\"iframe\");\
		4666	canvas_div.appendChild(http_div);\
		4667	http_div.appendChild(iframe);\
		4668	iframe.src = URL;\
		4669	iframe.setAttribute(\"width\",w);\
		4670	iframe.setAttribute(\"height\",h);\
		4671	return;\
7653	schaersvoo	4672	};");
7614	schaersvoo	4673	break;
		4674
		4675	case DRAW_XML:
		4676	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4677	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4678	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4679	var xml_div = document.createElement(\"div\");\
		4680	canvas_div.appendChild(xml_div);\
		4681	xml_div.innerHTML = mathml;\
		4682	if(onclick != 0){\
		4683	xml_div.onclick = function(){\
		4684	reply[0] = onclick;\
		4685	alert(\"send \"+onclick+\" ?\");\
		4686	};\
		4687	};\
		4688	xml_div.style.position = \"absolute\";\
		4689	xml_div.style.left = x+\"px\";\
		4690	xml_div.style.top = y+\"px\";\
		4691	xml_div.style.width = w+\"px\";\
		4692	xml_div.style.height = h+\"px\";\
		4693	return;\
7653	schaersvoo	4694	};"
7614	schaersvoo	4695	);
		4696	break;
7654	schaersvoo	4697	case DRAW_SGRAPH:
		4698	/*
		4699	xstart = given
		4700	ystart = given
		4701	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4702	*/
		4703	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4704	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4705	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);};\
		4706	var ctx = obj.getContext(\"2d\");\
		4707	ctx.font = fontfamily;\
		4708	var minor_opacity = 0.8*opacity;\
		4709	ctx.clearRect(0,0,xsize,ysize);\
		4710	var d_x = 1.8*font_size;\
		4711	var d_y = ctx.measureText(\"+ymax+\").width;\
		4712	var dx = xsize / (xmax - xmin);\
		4713	var dy = ysize / (ymax - ymin);\
		4714	var zero_x = d_y + dx;\
		4715	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4716	var snor_x;\
7654	schaersvoo	4717	if( xstart != xmin){\
7658	schaersvoo	4718	snor_x = 0.1*xsize;\
		4719	}\
		4720	else\
		4721	{\
		4722	snor_x = 0;\
		4723	xstart = xmin;\
		4724	};\
		4725	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4726	ctx.lineWidth = 2;\
		4727	ctx.beginPath();\
		4728	ctx.moveTo(xsize,zero_y);\
		4729	ctx.lineTo(zero_x,zero_y);\
		4730	ctx.lineTo(zero_x,0);\
		4731	ctx.stroke();\
		4732	ctx.closePath();\
		4733	ctx.beginPath();\
		4734	ctx.moveTo(zero_x,zero_y);\
		4735	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4736	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4737	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4738	ctx.lineTo(zero_x + snor_x,zero_y);\
		4739	ctx.stroke();\
		4740	ctx.closePath();\
		4741	ctx.beginPath();\
		4742	var num = xstart;\
7660	schaersvoo	4743	var flipflop = 1;\
7658	schaersvoo	4744	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4745	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4746	if( 0.5*ctx.measureText(num).width > step_x ){\
		4747	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4748	};\
		4749	if( flipflop == 1){\
7658	schaersvoo	4750	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4751	}\
		4752	else\
		4753	{\
		4754	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4755	}\
		4756	num = num + xmajor;\
		4757	};\
		4758	ctx.stroke();\
		4759	ctx.closePath();\
		4760	ctx.lineWidth = 1;\
		4761	ctx.beginPath();\
		4762	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4763	ctx.moveTo(x,zero_y);\
		4764	ctx.lineTo(x,0);\
		4765	};\
		4766	ctx.stroke();\
		4767	ctx.closePath();\
		4768	if( xminor > 1){\
		4769	ctx.lineWidth = 0.5;\
		4770	ctx.beginPath();\
		4771	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4772	var minor_step_x = step_x / xminor;\
		4773	var nx;\
		4774	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4775	num = 1;\
		4776	for(var p = 1 ; p < xminor ; p++){\
		4777	nx = x + num*minor_step_x;\
		4778	ctx.moveTo(nx,zero_y);\
		4779	ctx.lineTo(nx,0);\
		4780	num++;\
		4781	};\
		4782	};\
		4783	ctx.stroke();\
		4784	ctx.closePath();\
		4785	ctx.beginPath();\
		4786	ctx.lineWidth = 2;\
		4787	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4788	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4789	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4790	};\
		4791	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4792	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4793	};\
		4794	ctx.stroke();\
		4795	ctx.closePath();\
		4796	ctx.lineWidth = 0.5;\
		4797	};\
		4798	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4799	if( ystart != ymin){\
		4800	snor_y = 0.1*ysize;\
		4801	}\
		4802	else\
		4803	{\
		4804	snor_y = 0;\
		4805	ystart = ymin;\
		4806	};\
		4807	ctx.lineWidth = 2;\
		4808	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4809	ctx.beginPath();\
		4810	ctx.moveTo(zero_x,zero_y);\
		4811	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4812	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4813	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4814	ctx.lineTo(zero_x,zero_y - snor_y);\
		4815	ctx.stroke();\
		4816	ctx.closePath();\
		4817	ctx.beginPath();\
		4818	ctx.lineWidth = 1;\
		4819	num = ystart;\
		4820	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4821	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4822	ctx.moveTo(zero_x,y);\
		4823	ctx.lineTo(xsize,y);\
		4824	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4825	num = num + ymajor;\
		4826	};\
		4827	ctx.stroke();\
		4828	ctx.closePath();\
		4829	if( yminor > 1){\
		4830	ctx.lineWidth = 0.5;\
		4831	ctx.beginPath();\
		4832	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4833	var minor_step_y = step_y / yminor;\
		4834	var ny;\
		4835	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4836	num = 1;\
		4837	for(var p = 1 ;p < yminor;p++){\
		4838	ny = y + num*minor_step_y;\
		4839	ctx.moveTo(zero_x,ny);\
		4840	ctx.lineTo(xsize,ny);\
		4841	num++;\
		4842	};\
		4843	};\
		4844	ctx.stroke();\
		4845	ctx.closePath();\
		4846	ctx.lineWidth = 2;\
		4847	ctx.beginPath();\
		4848	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4849	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4850	ctx.moveTo(zero_x,y);\
		4851	ctx.lineTo(zero_x+12,y);\
		4852	};\
		4853	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4854	ctx.moveTo(zero_x,y);\
		4855	ctx.lineTo(zero_x+6,y);\
		4856	};\
		4857	ctx.stroke();\
		4858	ctx.closePath();\
		4859	};\
		4860	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4861	if( typeof legend%d !== 'undefined' ){\
		4862	ctx.globalAlpha = 1.0;\
		4863	var y_offset = 2*font_size;\
		4864	var txt;var txt_size;\
		4865	var x_offset = xsize - 2*font_size;\
		4866	var l_length = legend%d.length;var barcolor = new Array();\
		4867	if( typeof legendcolors%d !== 'undefined' ){\
		4868	for(var p = 0 ; p < l_length ; p++){\
		4869	barcolor[p] = legendcolors%d[p];\
		4870	};\
		4871	}else{\
		4872	if( barcolor.length == 0 ){\
		4873	for(var p = 0 ; p < l_length ; p++){\
		4874	barcolor[p] = stroke_color;\
		4875	};\
		4876	};\
		4877	};\
		4878	for(var p = 0; p < l_length; p++){\
		4879	ctx.fillStyle = barcolor[p];\
		4880	txt = legend%d[p];\
		4881	txt_size = ctx.measureText(txt).width;\
		4882	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4883	y_offset = parseInt(y_offset + 1.5*font_size);\
		4884	};\
		4885	};\
7660	schaersvoo	4886	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4887	ctx.fillStyle = \'#000000\';\
		4888	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4889	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4890	};\
7660	schaersvoo	4891	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4892	ctx.save();\
		4893	ctx.fillStyle = \'#000000\';\
		4894	var txt_size = ctx.measureText(yaxislabel).width;\
		4895	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4896	ctx.rotate(-0.5*Math.PI);\
		4897	ctx.fillText(yaxislabel,0,0);\
		4898	ctx.save();\
		4899	};\
7654	schaersvoo	4900	};\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);
		4901	break;
7614	schaersvoo	4902
		4903	case DRAW_GRID:/* not used for userdraw */
		4904	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4905	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){\
		4906	var obj;\
		4907	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4908	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4909	}\
		4910	else\
		4911	{\
		4912	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4913	};\
		4914	var ctx = obj.getContext(\"2d\");\
		4915	ctx.clearRect(0,0,xsize,ysize);\
		4916	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4917	ctx.save();\
		4918	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4919	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4920	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4921	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4922	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4923	ctx.font = font_family;\
		4924	var xstep = xsize*xmajor/(xmax - xmin);\
		4925	var ystep = ysize*ymajor/(ymax - ymin);\
		4926	var x2step = xstep / xminor;\
		4927	var y2step = ystep / yminor;\
7654	schaersvoo	4928	var zero_x;var zero_y;var f_x;var f_y;\
		4929	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4930	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4931	ctx.beginPath();\
		4932	ctx.lineWidth = line_width;\
		4933	ctx.strokeStyle = stroke_color;\
		4934	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4935	ctx.moveTo(p,0);\
		4936	ctx.lineTo(p,ysize);\
		4937	};\
		4938	for(var p = zero_x ; p > 0; p = p - xstep){\
		4939	ctx.moveTo(p,0);\
		4940	ctx.lineTo(p,ysize);\
		4941	};\
		4942	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4943	ctx.moveTo(0,p);\
		4944	ctx.lineTo(xsize,p);\
		4945	};\
		4946	for(var p = zero_y ; p > 0; p = p - ystep){\
		4947	ctx.moveTo(0,p);\
		4948	ctx.lineTo(xsize,p);\
		4949	};\
		4950	if( typeof xaxislabel !== 'undefined' ){\
		4951	ctx.save();\
		4952	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4953	var corr = ctx.measureText(xaxislabel).width;\
		4954	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		4955	ctx.restore();\
		4956	};\
		4957	if( typeof yaxislabel !== 'undefined' ){\
		4958	ctx.save();\
		4959	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4960	corr = ctx.measureText(yaxislabel).width;\
		4961	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		4962	ctx.rotate(-0.5*Math.PI);\
		4963	ctx.fillText(yaxislabel,0,0);\
		4964	ctx.restore();\
		4965	};\
		4966	ctx.stroke();\
		4967	ctx.closePath();\
		4968	if( use_axis == 1 ){\
		4969	ctx.beginPath();\
		4970	ctx.strokeStyle = stroke_color;\
		4971	ctx.lineWidth = 0.6*line_width;\
		4972	for(var p = zero_x ; p < xsize; p = p + x2step){\
		4973	ctx.moveTo(p,0);\
		4974	ctx.lineTo(p,ysize);\
		4975	};\
		4976	for(var p = zero_x ; p > 0; p = p - x2step){\
		4977	ctx.moveTo(p,0);\
		4978	ctx.lineTo(p,ysize);\
		4979	};\
		4980	for(var p = zero_y ; p < ysize; p = p + y2step){\
		4981	ctx.moveTo(0,p);\
		4982	ctx.lineTo(xsize,p);\
		4983	};\
		4984	for(var p = zero_y ; p > 0; p = p - y2step){\
		4985	ctx.moveTo(0,p);\
		4986	ctx.lineTo(xsize,p);\
		4987	};\
		4988	ctx.stroke();\
		4989	ctx.closePath();\
		4990	ctx.beginPath();\
		4991	ctx.lineWidth = 2*line_width;\
		4992	ctx.strokeStyle = axis_color;\
		4993	ctx.moveTo(0,zero_y);\
		4994	ctx.lineTo(xsize,zero_y);\
		4995	ctx.moveTo(zero_x,0);\
		4996	ctx.lineTo(zero_x,ysize);\
		4997	ctx.stroke();\
		4998	ctx.closePath();\
		4999	ctx.lineWidth = line_width+0.5;\
		5000	ctx.beginPath();\
		5001	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5002	ctx.moveTo(p,zero_y-tics_length);\
		5003	ctx.lineTo(p,zero_y+tics_length);\
		5004	};\
		5005	for(var p = zero_x ; p > 0; p = p - xstep){\
		5006	ctx.moveTo(p,zero_y-tics_length);\
		5007	ctx.lineTo(p,zero_y+tics_length);\
		5008	};\
		5009	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5010	ctx.moveTo(zero_x-tics_length,p);\
		5011	ctx.lineTo(zero_x+tics_length,p);\
		5012	};\
		5013	for(var p = zero_y ; p > 0; p = p - ystep){\
		5014	ctx.moveTo(zero_x-tics_length,p);\
		5015	ctx.lineTo(zero_x+tics_length,p);\
		5016	};\
		5017	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5018	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5019	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5020	};\
		5021	for(var p = zero_x ; p > 0; p = p - x2step){\
		5022	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5023	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5024	};\
		5025	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5026	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5027	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5028	};\
		5029	for(var p = zero_y ; p > 0; p = p - y2step){\
		5030	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5031	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5032	};\
		5033	ctx.stroke();\
		5034	ctx.closePath();\
		5035	if( use_axis_numbering == 1 ){\
		5036	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5037	if( x_strings != null ){\
		5038	var f = 1.4;\
		5039	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5040	for(var p = 0 ; p < len ; p = p+2){\
		5041	var x_nums = x2px(eval(x_strings[p]));\
		5042	var x_text = x_strings[p+1];\
		5043	corr = ctx.measureText(x_text).width;\
		5044	skip = 1.2*corr/xstep;\
		5045	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5046	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5047	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5048	}\
		5049	}\
		5050	else\
		5051	{\
7654	schaersvoo	5052	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5053	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5054	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5055	if(skip == 0 ){\
		5056	disp_cnt = cnt.toFixed(prec);\
		5057	corr = ctx.measureText(disp_cnt).width;\
		5058	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5059	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5060	}\
		5061	else\
		5062	{\
		5063	skip--;\
		5064	};\
		5065	cnt = cnt + xmajor;\
		5066	};\
7654	schaersvoo	5067	cnt = px2x(zero_x);skip = 1;\
		5068	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5069	if(skip == 0 ){\
		5070	disp_cnt = cnt.toFixed(prec);\
		5071	corr = ctx.measureText(disp_cnt).width;\
		5072	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5073	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5074	}\
		5075	else\
		5076	{\
		5077	skip--;\
		5078	};\
		5079	cnt = cnt - xmajor;\
		5080	};\
		5081	};\
		5082	if( y_strings != null ){\
		5083	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5084	for(var p = 0 ; p < len ; p = p+2){\
		5085	var y_nums = y2px(eval(y_strings[p]));\
		5086	var y_text = y_strings[p+1];\
		5087	var f = 1.4;\
		5088	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5089	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5090	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5091	};\
		5092	}\
		5093	else\
		5094	{\
7654	schaersvoo	5095	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5096	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5097	if(skip == 0 ){\
		5098	skip = parseInt(1.4*font_size/ystep);\
		5099	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5100	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5101	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5102	}\
		5103	else\
		5104	{\
		5105	skip--;\
		5106	};\
		5107	cnt = cnt - ymajor;\
		5108	}\
7654	schaersvoo	5109	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5110	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5111	if(skip == 0 ){\
		5112	skip = parseInt(1.4*font_size/ystep);\
		5113	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5114	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5115	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5116	}\
		5117	else\
		5118	{\
		5119	skip--;\
		5120	};\
		5121	cnt = cnt + ymajor;\
		5122	}\
		5123	};\
		5124	};\
		5125	ctx.strokeStyle = stroke_color;\
		5126	ctx.lineWidth = 2;\
		5127	ctx.beginPath();\
		5128	ctx.rect(0,0,xsize,ysize);\
		5129	ctx.closePath();\
		5130	ctx.stroke();\
		5131	};\
		5132	if( typeof linegraph_0 !== 'undefined' ){\
		5133	ctx.restore();\
		5134	ctx.save();\
		5135	ctx.globalAlpha = 1.0;\
		5136	var i = 0;\
		5137	var line_name = eval('linegraph_'+i);\
		5138	while ( typeof line_name !== 'undefined' ){\
		5139	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5140	ctx.lineWidth = parseInt(line_name[1]);\
		5141	if(line_name[2] == \"1\"){\
		5142	var d1 = parseInt(line_name[3]);\
		5143	var d2 = parseInt(line_name[4]);\
		5144	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5145	}\
		5146	else\
		5147	{\
		5148	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5149	if(ctx.mozDash){ctx.mozDash = null;}\
		5150	};\
		5151	var data_x = new Array();\
		5152	var data_y = new Array();\
		5153	var lb = line_name.length;\
		5154	var idx = 0;\
		5155	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5156	data_x[idx] = x2px(line_name[p]);\
		5157	data_y[idx] = y2px(line_name[p+1]);\
		5158	idx++;\
		5159	};\
		5160	for( var p = 0; p < idx ; p++){\
		5161	ctx.beginPath();\
		5162	ctx.moveTo(data_x[p],data_y[p]);\
		5163	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5164	ctx.stroke();\
		5165	ctx.closePath();\
		5166	};\
		5167	i++;\
		5168	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5169	};\
		5170	};\
		5171	var barcolor = new Array();\
		5172	if( typeof barchart%d !== 'undefined' ){\
		5173	ctx.restore();\
		5174	ctx.save();\
		5175	ctx.globalAlpha = 1.0;\
		5176	var bar_x = new Array();\
		5177	var bar_y = new Array();\
		5178	var lb = barchart%d.length;\
		5179	var idx = 0;\
		5180	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5181	bar_x[idx] = x2px(barchart%d[p]);\
		5182	bar_y[idx] = y2px(barchart%d[p+1]);\
		5183	barcolor[idx] = barchart%d[p+2];\
		5184	idx++;\
		5185	};\
		5186	var dx = parseInt(0.6*xstep);\
		5187	ctx.globalAlpha = fill_opacity;\
		5188	for( var p = 0; p < idx ; p++ ){\
		5189	ctx.beginPath();\
		5190	ctx.strokeStyle = barcolor[p];\
		5191	ctx.fillStyle = barcolor[p];\
		5192	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5193	ctx.fill();\
		5194	ctx.stroke();\
		5195	ctx.closePath();\
		5196	};\
		5197	};\
		5198	if( typeof legend%d !== 'undefined' ){\
		5199	ctx.globalAlpha = 1.0;\
		5200	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5201	var y_offset = 2*font_size;\
		5202	var txt;var txt_size;\
		5203	var x_offset = xsize - 2*font_size;\
		5204	var l_length = legend%d.length;\
		5205	if( typeof legendcolors%d !== 'undefined' ){\
		5206	for(var p = 0 ; p < l_length ; p++){\
		5207	barcolor[p] = legendcolors%d[p];\
		5208	};\
		5209	}else{\
		5210	if( barcolor.length == 0 ){\
		5211	for(var p = 0 ; p < l_length ; p++){\
		5212	barcolor[p] = stroke_color;\
		5213	};\
		5214	};\
		5215	};\
		5216	for(var p = 0; p < l_length; p++){\
		5217	ctx.fillStyle = barcolor[p];\
		5218	txt = legend%d[p];\
		5219	txt_size = ctx.measureText(txt).width;\
		5220	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5221	y_offset = parseInt(y_offset + 1.5*font_size);\
		5222	};\
		5223	};\
		5224	ctx.restore();\
		5225	return;\
7653	schaersvoo	5226	};",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	5227	break;
		5228
		5229	case DRAW_PIECHART:
		5230	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5231	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5232	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5233	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5234	}\
		5235	else\
		5236	{\
		5237	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5238	};\
		5239	var ld = data_color_list.length;\
		5240	var sum = 0;\
		5241	var idx = 0;\
		5242	var colors = new Array();\
		5243	var data = new Array();\
		5244	for(var p = 0;p < ld; p = p + 2){\
		5245	data[idx] = parseFloat(data_color_list[p]);\
		5246	sum = sum + data[idx];\
		5247	colors[idx] = data_color_list[p+1];\
		5248	idx++;\
		5249	};\
		5250	var ctx = obj.getContext(\"2d\");\
		5251	ctx.save();\
		5252	var angle;\
		5253	var angle_end = 0;\
		5254	var offset = Math.PI / 2;\
		5255	ctx.globalAlpha = fill_opacity;\
		5256	for(var p=0; p < idx; p++){\
		5257	ctx.beginPath();\
		5258	ctx.fillStyle = colors[p];\
		5259	ctx.moveTo(x_center,y_center);\
		5260	angle = Math.PI * (2 * data[p] / sum);\
		5261	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5262	ctx.lineTo(x_center, y_center);\
		5263	ctx.fill();\
		5264	ctx.closePath();\
		5265	angle_end = angle_end + angle;\
		5266	};\
		5267	if( typeof legend%d !== 'undefined' ){\
		5268	ctx.globalAlpha = 1.0;\
		5269	ctx.font = font_size+\"px \"+font_family;\
		5270	var y_offset = font_size; \
		5271	var x_offset = 0;\
		5272	var txt;var txt_size;\
		5273	for(var p = 0; p < idx; p++){\
		5274	ctx.fillStyle = colors[p];\
		5275	txt = legend%d[p];\
		5276	txt_size = ctx.measureText(txt).width;\
		5277	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5278	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5279	y_offset = parseInt(y_offset + 1.5*font_size);\
		5280	};\
		5281	};\
		5282	ctx.restore();\
7653	schaersvoo	5283	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5284
		5285	break;
		5286	case DRAW_ARCS:
		5287	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5288	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){\
		5289	var obj;\
		5290	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5291	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5292	}\
		5293	else\
		5294	{\
		5295	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5296	};\
		5297	var ctx = obj.getContext(\"2d\");\
		5298	ctx.save();\
		5299	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5300	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5301	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5302	if(end < start){var tmp = end;end = start;start=tmp;};\
		5303	start=360-start;\
		5304	end=360-end;\
		5305	ctx.lineWidth = line_width;\
		5306	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5307	if( use_filled == 1 ){\
		5308	ctx.beginPath();\
		5309	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5310	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5311	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5312	var x2 = xc + rMath.cos(Math.PIend/180);\
		5313	var y2 = yc + rMath.sin(Math.PIend/180);\
		5314	ctx.beginPath();\
		5315	ctx.moveTo(x1,y1);\
		5316	ctx.lineTo(xc,yc);\
		5317	ctx.moveTo(xc,yc);\
		5318	ctx.lineTo(x2,y2);\
		5319	ctx.closePath();\
		5320	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5321	ctx.fill();\
		5322	ctx.stroke();\
		5323	}\
		5324	else\
		5325	{\
		5326	ctx.beginPath();\
		5327	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5328	ctx.stroke();\
		5329	ctx.closePath();\
		5330	}\
		5331	ctx.restore();\
7653	schaersvoo	5332	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5333
		5334	break;
		5335	case DRAW_TEXTS:
		5336	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5337	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5338	var obj;\
		5339	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5340	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5341	}\
		5342	else\
		5343	{\
		5344	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5345	};\
		5346	var ctx = obj.getContext(\"2d\");\
		5347	if(angle2 == 0 && angle != 0){\
		5348	ctx.save();\
		5349	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5350	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5351	};\
		5352	if( font_family.indexOf('px') != null ){\
		5353	ctx.font = font_family;\
		5354	}\
		5355	else\
		5356	{\
		5357	ctx.font = \"+font_size+'px '+font_family \";\
		5358	};\
		5359	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5360	if(angle2 != 0){\
		5361	ctx.save();\
		5362	ctx.translate(x,y);\
		5363	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5364	ctx.fillText(text,0,0);\
		5365	ctx.restore();\
		5366	}else{ctx.fillText(text,x,y);};\
		5367	ctx.restore();\
		5368	return;\
7653	schaersvoo	5369	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5370
		5371	break;
		5372	case DRAW_CURVE:
		5373	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5374	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){\
		5375	var obj;\
		5376	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5377	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5378	}\
		5379	else\
		5380	{\
		5381	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5382	};\
		5383	var ctx = obj.getContext(\"2d\");\
		5384	ctx.save();\
		5385	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5386	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5387	ctx.beginPath();ctx.lineWidth = line_width;\
		5388	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5389	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5390	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5391	for(var p = 1 ; p < x_points.length ; p++){\
		5392	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5393	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5394	}\
		5395	else\
		5396	{\
		5397	ctx.stroke();\
		5398	ctx.beginPath();\
		5399	p++;\
		5400	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5401	};\
		5402	};\
		5403	ctx.stroke();\
		5404	ctx.restore();\
7653	schaersvoo	5405	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5406	break;
		5407
		5408	case DRAW_INPUTS:
		5409	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5410	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5411	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5412	var input = document.createElement(\"input\");\
		5413	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5414	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5415	input.setAttribute(\"size\",size);\
		5416	input.setAttribute(\"value\",value);\
		5417	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5418	canvas_div.appendChild(input);};");
7614	schaersvoo	5419	break;
		5420
		5421	case DRAW_TEXTAREAS:
		5422	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5423	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5424	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5425	var textarea = document.createElement(\"textarea\");\
		5426	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5427	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5428	textarea.setAttribute(\"cols\",cols);\
		5429	textarea.setAttribute(\"rows\",rows);\
		5430	textarea.innerHTML = value;\
7653	schaersvoo	5431	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5432	break;
		5433
		5434	case DRAW_PIXELS:
		5435	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5436	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5437	var canvas = create_canvas%d(10,xsize,ysize);\
		5438	var d = 0.5*pixelsize;\
		5439	var ctx = canvas.getContext(\"2d\");\
		5440	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5441	ctx.clearRect(0,0,xsize,ysize);\
		5442	for(var p=0; p<x.length;p++){\
		5443	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5444	};\
		5445	ctx.fill();ctx.stroke();\
		5446	};",canvas_root_id);
		5447	break;
		5448
		5449	case DRAW_CLOCK:
		5450	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5451	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5452	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5453	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5454	clock_ctx.save();\
		5455	this.type = type \|\| 0;\
		5456	this.interaction = interaction \|\| 0;\
		5457	this.H = H \|\| parseInt(110*(Math.random()));\
		5458	this.M = M \|\| parseInt(590*(Math.random()));\
		5459	this.S = S \|\| parseInt(590*(Math.random()));\
		5460	this.xc = xc \|\| xsize/2;\
		5461	this.yc = yc \|\| ysize/2;\
		5462	this.radius = radius \|\| xsize/4;\
		5463	var font_size = parseInt(0.2*this.radius);\
		5464	this.H_color = h_color \|\| \"blue\";\
		5465	this.M_color = m_color \|\| \"blue\";\
		5466	this.S_color = s_color \|\| \"blue\";\
		5467	this.fg_color = fg_color \|\| \"red\";\
		5468	this.bg_color = bg_color \|\| \"white\";\
		5469	clock_ctx.translate(this.xc,this.yc);\
		5470	clock_ctx.beginPath();\
		5471	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5472	clock_ctx.fillStyle = this.bg_color;\
		5473	clock_ctx.fill();\
		5474	clock_ctx.closePath();\
		5475	clock_ctx.beginPath();\
		5476	clock_ctx.font = font_size+\"px Arial\";\
		5477	clock_ctx.fillStyle = this.fg_color;\
		5478	clock_ctx.textAlign = \"center\";\
		5479	clock_ctx.textBaseline = 'middle';\
		5480	var angle;var x1,y1,x2,y2;\
		5481	var angle_cos;var angle_sin;\
		5482	switch(type){\
		5483	case 0:clock_ctx.beginPath();\
		5484	for(var p = 1; p <= 12 ; p++){\
		5485	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5486	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5487	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5488	clock_ctx.moveTo(x1,y1);\
		5489	clock_ctx.lineTo(x2,y2);\
		5490	};\
		5491	for(var p = 1; p <= 60 ; p++){\
		5492	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5493	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5494	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5495	clock_ctx.moveTo(x1,y1);\
		5496	clock_ctx.lineTo(x2,y2);\
		5497	};\
		5498	clock_ctx.closePath();\
		5499	clock_ctx.stroke();\
		5500	break;\
		5501	case 1:\
		5502	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;\
		5503	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);};\
		5504	clock_ctx.beginPath();\
		5505	for(var p = 1; p <= 12 ; p++){\
		5506	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5507	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5508	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5509	clock_ctx.moveTo(x1,y1);\
		5510	clock_ctx.lineTo(x2,y2);\
		5511	};\
		5512	for(var p = 1; p <= 60 ; p++){\
		5513	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5514	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5515	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5516	clock_ctx.moveTo(x1,y1);\
		5517	clock_ctx.lineTo(x2,y2);\
		5518	};\
		5519	clock_ctx.closePath();\
		5520	clock_ctx.stroke();\
		5521	break;\
		5522	};\
		5523	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5524	clock_ctx.rotate(angle);\
		5525	clock_ctx.beginPath();\
		5526	clock_ctx.moveTo(-3, -2);\
		5527	clock_ctx.lineTo(-3, 2);\
		5528	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5529	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5530	clock_ctx.fillStyle = this.H_color;\
		5531	clock_ctx.fill();\
		5532	clock_ctx.rotate(-angle);\
		5533	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5534	clock_ctx.rotate(angle);\
		5535	clock_ctx.beginPath();\
		5536	clock_ctx.moveTo(-3, -2);\
		5537	clock_ctx.lineTo(-3, 2);\
		5538	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5539	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5540	clock_ctx.fillStyle = this.M_color;\
		5541	clock_ctx.fill();\
		5542	clock_ctx.rotate(-angle);\
		5543	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5544	clock_ctx.rotate(angle);\
		5545	clock_ctx.beginPath();\
		5546	clock_ctx.moveTo(0,0);\
		5547	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5548	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5549	clock_ctx.strokeStyle = this.S_color;\
		5550	clock_ctx.stroke();\
		5551	clock_ctx.restore();\
7653	schaersvoo	5552	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5553	break;
		5554
		5555	case DRAW_LATTICE:
		5556	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5557	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){\
		5558	var obj;\
		5559	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5560	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5561	}\
		5562	else\
		5563	{\
		5564	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5565	};\
		5566	var ctx = obj.getContext(\"2d\");\
		5567	ctx.save();\
		5568	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5569	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5570	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5571	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5572	var radius = line_width;\
		5573	var x = 0;\
		5574	var y = 0;\
		5575	var x_step_px = xsize/(xmax-xmin);\
		5576	var y_step_px = ysize/(ymax-ymin);\
		5577	var xv1 = dx1*x_step_px;\
		5578	var yv1 = dy1*y_step_px;\
		5579	var xv2 = dx2*x_step_px;\
		5580	var yv2 = dy2*y_step_px;\
		5581	for(var p = 0; p < n1 ;p++){\
		5582	x = p*xv1 + x0;\
		5583	y = p*yv1 + y0;\
		5584	for(var c = 0; c < n2 ; c++){\
		5585	ctx.beginPath();\
		5586	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5587	ctx.fill();\
		5588	ctx.stroke();\
		5589	ctx.closePath();\
		5590	};\
		5591	};\
		5592	ctx.restore();\
		5593	return;\
7653	schaersvoo	5594	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5595	break;
7735	schaersvoo	5596	case DRAW_XYLOGSCALE:
		5597	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5598	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	5599	var obj;\n\
		5600	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5601	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5602	}\n\
		5603	else\n\
		5604	{\n\
		5605	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5606	};\n\
		5607	var ctx = obj.getContext(\"2d\");\n\
		5608	ctx.clearRect(0,0,xsize,ysize);\
		5609	ctx.save();\n\
7739	schaersvoo	5610	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5611	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5612	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5613	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5614	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5615	if(use_axis_numbering == 1){\
		5616	ctx.font = font_family;\n\
		5617	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5618	ymarge = parseInt(1.5*font_size);\n\
		5619	ctx.save();\n\
		5620	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5621	ctx.rect(0,0,xmarge,ysize);\n\
		5622	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5623	ctx.fill();\n\
		5624	ctx.restore();\n\
		5625	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5626	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5627	ctx.save();\n\
		5628	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5629	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5630	corr = ctx.measureText(xaxislabel).width;\n\
		5631	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5632	ctx.restore();\n\
		5633	};\n\
7735	schaersvoo	5634	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5635	ctx.save();\n\
		5636	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5637	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5638	corr = ctx.measureText(yaxislabel).width;\n\
		5639	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5640	ctx.rotate(-0.5*Math.PI);\n\
		5641	ctx.fillText(yaxislabel,0,0);\n\
		5642	ctx.restore();\n\
		5643	};\n\
		5644	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5645	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5646	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5647	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5648	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5649	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5650	if( i == 1 ){\
7739	schaersvoo	5651	ctx.lineWidth = line_width;\n\n\
		5652	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5653	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5654	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5655	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5656	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5657	};\n\
7735	schaersvoo	5658	}else{\
7739	schaersvoo	5659	ctx.lineWidth = 0.2*line_width;\n\n\
		5660	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5661	};\n\
7738	schaersvoo	5662	if( x_e >= xmarge ){\
		5663	ctx.beginPath();\n\
		5664	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5665	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5666	ctx.stroke();\n\
		5667	ctx.closePath();\n\
		5668	};\
7735	schaersvoo	5669	};\n\
		5670	};\n\
		5671	for(var p = y_min; p <= y_max ; p++){\n\
		5672	num = Math.pow(ylogbase,p);\n\
		5673	for(var i = 1 ; i < ylogbase ; i++){\n\
		5674	y_e = y2px(i*num);\n\
7739	schaersvoo	5675	if( i == 1 ){\n\
7735	schaersvoo	5676	ctx.lineWidth = line_width;\n\
		5677	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5678	if( use_axis_numbering == 1 && p > y_min){\n\
		5679	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5680	};\n\
		5681	}else{\n\
7735	schaersvoo	5682	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5683	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5684	};\n\
7735	schaersvoo	5685	ctx.beginPath();\n\
7738	schaersvoo	5686	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5687	ctx.lineTo(xsize,y_e);\n\
		5688	ctx.stroke();\n\
		5689	ctx.closePath();\n\
		5690	};\n\
		5691	};\n\
		5692	ctx.restore();\
		5693	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5694	break;
7614	schaersvoo	5695
7735	schaersvoo	5696	case DRAW_XLOGSCALE:
		5697	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5698	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	5699	var obj;\n\
		5700	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5701	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5702	}\n\
		5703	else\n\
		5704	{\n\
		5705	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5706	};\n\
		5707	var ctx = obj.getContext(\"2d\");\n\
		5708	ctx.clearRect(0,0,xsize,ysize);\
		5709	ctx.save();\n\
		5710	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5711	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5712	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5713	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5714	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5715	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5716	if(use_axis_numbering == 1){\
		5717	ctx.font = font_family;\n\
		5718	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5719	ymarge = parseInt(1.5*font_size);\n\
		5720	ctx.save();\n\
		5721	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5722	ctx.rect(0,0,xmarge,ysize);\n\
		5723	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5724	ctx.fill();\n\
		5725	ctx.restore();\n\
		5726	}else{xmarge = 0;ymarge = 0;};\n\
		5727	if( typeof xaxislabel !== 'undefined' ){\
		5728	ctx.save();\n\
		5729	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5730	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5731	corr = ctx.measureText(xaxislabel).width;\n\
		5732	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5733	ctx.restore();\n\
		5734	};\n\
		5735	if( typeof yaxislabel !== 'undefined' ){\
		5736	ctx.save();\n\
		5737	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5738	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5739	corr = ctx.measureText(yaxislabel).width;\n\
		5740	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5741	ctx.rotate(-0.5*Math.PI);\n\
		5742	ctx.fillText(yaxislabel,0,0);\n\
		5743	ctx.restore();\n\
		5744	};\n\
		5745	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5746	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5747	for(var p = x_min; p <= x_max ; p++){\n\
		5748	num = Math.pow(xlogbase,p);\n\
		5749	for(var i = 1 ; i < xlogbase ; i++){\n\
		5750	x_e = x2px(i*num);\n\
		5751	if( i == 1 ){\
7739	schaersvoo	5752	ctx.lineWidth = line_width;\n\
		5753	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5754	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5755	xtxt = xlogbase+'^'+p.toFixed(0);\
		5756	corr = 0.5*(ctx.measureText(xtxt).width);\
		5757	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5758	};\
		5759	}else{\
		5760	ctx.lineWidth = 0.2*line_width;\n\
		5761	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5762	};\
7739	schaersvoo	5763	if( x_e >= xmarge ){\
		5764	ctx.beginPath();\n\
		5765	ctx.moveTo(x_e,0);\n\
		5766	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5767	ctx.stroke();\n\
		5768	ctx.closePath();\n\
		5769	};\
		5770	};\
7735	schaersvoo	5771	};\n\
		5772	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5773	var minor_step = stepy / yminor;\
7749	schaersvoo	5774	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5775	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5776	ctx.lineWidth = line_width;\n\
		5777	ctx.beginPath();\n\
7739	schaersvoo	5778	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5779	ctx.lineTo(xsize,y);\n\
		5780	ctx.stroke();\n\
		5781	ctx.closePath();\n\
		5782	if( use_axis_numbering == 1){\
		5783	ytxt = (px2y(y)).toFixed(prec);\
		5784	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5785	};\
		5786	for(var dy = 1 ; dy < yminor ; dy++){\
		5787	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5788	ctx.lineWidth = 0.2*line_width;\n\
		5789	ctx.beginPath();\n\
7739	schaersvoo	5790	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5791	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5792	ctx.stroke();\n\
		5793	ctx.closePath();\n\
		5794	};\
		5795	};\
		5796	ctx.restore();\n\
		5797	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5798	break;
7729	schaersvoo	5799	case DRAW_YLOGSCALE:
		5800	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5801	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	5802	var obj;\n\
		5803	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5804	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5805	}\n\
		5806	else\n\
		5807	{\n\
		5808	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5809	};\n\
		5810	var ctx = obj.getContext(\"2d\");\n\
		5811	ctx.clearRect(0,0,xsize,ysize);\
		5812	ctx.save();\n\
		5813	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5814	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5815	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5816	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5817	if(use_axis_numbering == 1){\
		5818	ctx.font = font_family;\n\
		5819	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5820	ymarge = 2*font_size;\n\
		5821	ctx.save();\n\
		5822	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5823	ctx.rect(0,0,xmarge,ysize);\n\
		5824	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5825	ctx.fill();\n\
		5826	ctx.restore();\n\
		5827	}else{xmarge = 0;ymarge = 0;};\n\
		5828	if( typeof xaxislabel !== 'undefined' ){\
		5829	ctx.save();\n\
		5830	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5831	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5832	corr = ctx.measureText(xaxislabel).width;\n\
		5833	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5834	ctx.restore();\n\
		5835	};\n\
		5836	if( typeof yaxislabel !== 'undefined' ){\
		5837	ctx.save();\n\
		5838	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5839	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5840	corr = ctx.measureText(yaxislabel).width;\n\
		5841	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5842	ctx.rotate(-0.5*Math.PI);\n\
		5843	ctx.fillText(yaxislabel,0,0);\n\
		5844	ctx.restore();\n\
		5845	};\n\
		5846	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5847	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5848	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5849	num = Math.pow(ylogbase,p);\n\
		5850	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5851	y_e = y2px(i*num);\n\
		5852	if( i == 1 ){\
		5853	ctx.lineWidth = line_width;\n\
		5854	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5855	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5856	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5857	};\
		5858	}else{\
		5859	ctx.lineWidth = 0.2*line_width;\n\
		5860	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5861	};\
		5862	ctx.beginPath();\n\
7739	schaersvoo	5863	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5864	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5865	ctx.stroke();\n\
		5866	ctx.closePath();\n\
		5867	};\n\
		5868	};\n\
		5869	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5870	var minor_step = stepx / xminor;\
		5871	var prec = Math.log(precision)/Math.log(10);\
		5872	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5873	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5874	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5875	ctx.lineWidth = line_width;\n\
		5876	ctx.beginPath();\n\
7739	schaersvoo	5877	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5878	ctx.lineTo(x,0);\n\
		5879	ctx.stroke();\n\
		5880	ctx.closePath();\n\
		5881	if( use_axis_numbering == 1){\
		5882	xtxt = (px2x(x)).toFixed(prec);\
		5883	corr = 0.5*(ctx.measureText(xtxt).width);\
		5884	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5885	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5886	};\
		5887	for(var dx = 1 ; dx < xminor ; dx++){\
		5888	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5889	ctx.lineWidth = 0.2*line_width;\n\
		5890	ctx.beginPath();\n\
7739	schaersvoo	5891	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5892	ctx.lineTo(x+dx*minor_step,0);\n\
		5893	ctx.stroke();\n\
		5894	ctx.closePath();\n\
7735	schaersvoo	5895	};\
		5896	};\
7729	schaersvoo	5897	ctx.restore();\n\
		5898	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5899
		5900	break;
7735	schaersvoo	5901
		5902
7614	schaersvoo	5903	default:break;
		5904	}
		5905	}
		5906	}
		5907	return;
		5908	}
		5909
		5910	void check_string_length(int L){
		5911	if(L<1 \|\| L > MAX_BUFFER-1){
		5912	canvas_error("problem with your arguments to command...");
		5913	}
		5914	return;
		5915	}
		5916
		5917
		5918	int get_token(FILE *infile){
		5919	int c,i=0;
		5920	char temp[MAX_INT], *input_type;
		5921	char *line="line",
		5922	*audio="audio",
		5923	*blink="blink",
		5924	*arrowhead="arrowhead",
		5925	*crosshairsize="crosshairsize",
		5926	*crosshair="crosshair",
		5927	*crosshairs="crosshairs",
		5928	*audioobject="audioobject",
		5929	*style="style",
		5930	*mouse="mouse",
		5931	*userdraw="userdraw",
		5932	*highlight="highlight",
		5933	*http="http",
		5934	*rays="rays",
		5935	*dashtype="dashtype",
		5936	*dashed="dashed",
		5937	*filled="filled",
		5938	*lattice="lattice",
		5939	*parallel="parallel",
		5940	*segment="segment",
		5941	*dsegment="dsegment",
		5942	*seg="seg",
		5943	*bgimage="bgimage",
		5944	*bgcolor="bgcolor",
		5945	*strokecolor="strokecolor",
		5946	*backgroundimage="backgroundimage",
		5947	*text="text",
		5948	*textup="textup",
		5949	*mouseprecision="mouseprecision",
		5950	*precision="precision",
		5951	*plotsteps="plotsteps",
		5952	*plotstep="plotstep",
		5953	*tsteps="tsteps",
		5954	*curve="curve",
		5955	*dcurve="dcurve",
		5956	*plot="plot",
		5957	*dplot="dplot",
7788	schaersvoo	5958	*levelcurve="levelcurve",
7614	schaersvoo	5959	*fontsize="fontsize",
		5960	*fontcolor="fontcolor",
		5961	*axis="axis",
		5962	*axisnumbering="axisnumbering",
		5963	*axisnumbers="axisnumbers",
		5964	*arrow="arrow",
		5965	*darrow="darrow",
		5966	*arrow2="arrow2",
		5967	*darrow2="darrow2",
		5968	*zoom="zoom",
		5969	*grid="grid",
		5970	*hline="hline",
7786	schaersvoo	5971	*dhline="dhline",
7614	schaersvoo	5972	*drag="drag",
		5973	*horizontalline="horizontalline",
		5974	*vline="vline",
7786	schaersvoo	5975	*dvline="dvline",
7614	schaersvoo	5976	*verticalline="verticalline",
		5977	*triangle="triangle",
		5978	*ftriangle="ftriangle",
		5979	*mathml="mathml",
		5980	*html="html",
		5981	*input="input",
		5982	*button="button",
		5983	*inputstyle="inputstyle",
		5984	*textarea="textarea",
		5985	*trange="trange",
		5986	*ranget="ranget",
		5987	*xrange="xrange",
		5988	*yrange="yrange",
		5989	*rangex="rangex",
		5990	*rangey="rangey",
		5991	*polyline="polyline",
		5992	*lines="lines",
		5993	*poly="poly",
		5994	*polygon="polygon",
		5995	*fpolygon="fpolygon",
		5996	*fpoly="fpoly",
		5997	*filledpoly="filledpoly",
		5998	*filledpolygon="filledpolygon",
		5999	*rect="rect",
		6000	*frect="frect",
		6001	*rectangle="rectangle",
		6002	*frectangle="frectangle",
		6003	*square="square",
		6004	*fsquare="fsquare",
		6005	*dline="dline",
		6006	*arc="arc",
		6007	*filledarc="filledarc",
		6008	*size="size",
		6009	*string="string",
		6010	*stringup="stringup",
		6011	*copy="copy",
		6012	*copyresized="copyresized",
		6013	*opacity="opacity",
		6014	*transparent="transparent",
		6015	*fill="fill",
		6016	*slider="slider",
		6017	*point="point",
		6018	*points="points",
		6019	*linewidth="linewidth",
		6020	*circle="circle",
		6021	*fcircle="fcircle",
		6022	*disk="disk",
		6023	*comment="#",
		6024	*end="end",
		6025	*ellipse="ellipse",
		6026	*fellipse="fellipse",
		6027	*rotate="rotate",
7785	schaersvoo	6028	*affine="affine",
		6029	*killaffine="killaffine",
7614	schaersvoo	6030	*fontfamily="fontfamily",
		6031	*fillcolor="fillcolor",
		6032	*clicktile="clicktile",
		6033	*clicktile_colors="clicktile_colors",
		6034	*translation="translation",
		6035	*translate="translate",
		6036	*killtranslation="killtranslation",
		6037	*killtranslate="killtranslate",
		6038	*onclick="onclick",
		6039	*roundrect="roundrect",
		6040	*froundrect="froundrect",
		6041	*roundrectangle="roundrectangle",
		6042	*patternfill="patternfill",
		6043	*hatchfill="hatchfill",
		6044	*diafill="diafill",
7647	schaersvoo	6045	*diamondfill="diamondfill",
7614	schaersvoo	6046	*dotfill="dotfill",
		6047	*gridfill="gridfill",
		6048	*imagefill="imagefill",
7735	schaersvoo	6049	*xlogbase="xlogbase",
		6050	*ylogbase="ylogbase",
7614	schaersvoo	6051	*xlogscale="xlogscale",
		6052	*ylogscale="ylogscale",
		6053	*xylogscale="xylogscale",
		6054	*intooltip="intooltip",
		6055	*replyformat="replyformat",
		6056	*floodfill="floodfill",
		6057	*filltoborder="filltoborder",
		6058	*clickfill="clickfill",
		6059	*setpixel="setpixel",
		6060	*pixels="pixels",
		6061	*pixelsize="pixelsize",
		6062	*clickfillmarge="clickfillmarge",
		6063	*xaxis="xaxis",
		6064	*yaxis="yaxis",
		6065	*xaxistext="xaxistext",
		6066	*yaxistext="yaxistext",
		6067	*piechart="piechart",
		6068	*legend="legend",
		6069	*legendcolors="legendcolors",
		6070	*xlabel="xlabel",
		6071	*ylabel="ylabel",
		6072	*barchart="barchart",
		6073	*linegraph="linegraph",
		6074	*clock="clock",
		6075	*animate="animate",
		6076	*video="video",
		6077	*status="status",
7652	schaersvoo	6078	*snaptogrid="snaptogrid",
7784	schaersvoo	6079	*xsnaptogrid="xsnaptogrid",
		6080	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6081	*userinput_xy="userinput_xy",
7663	schaersvoo	6082	*usertextarea_xy="usertextarea_xy",
7654	schaersvoo	6083	*sgraph="sgraph";
7614	schaersvoo	6084
		6085	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6086	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6087	continue; /* white spaces or tabs allowed before first command identifier */
		6088	}
		6089	else
		6090	{
		6091	if( c == ' ' \|\| c == '\t' ){
		6092	break;
		6093	}
		6094	else
		6095	{
		6096	temp[i] = c;
		6097	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6098	i++;
		6099	}
		6100	}
		6101	if(temp[0] == '#') break;
		6102	}
		6103	if (c == EOF) finished = 1;
		6104
		6105	if (c == '\n' \|\| c == '\r') {
		6106	line_number++;
		6107	if (i == 0) { return EMPTY; }
		6108	} else if (c == EOF) {
		6109	return 0;
		6110	}
		6111
		6112	temp[i]='\0';
		6113	input_type=(char*)my_newmem(strlen(temp));
		6114	snprintf(input_type,sizeof(temp),"%s",temp);
		6115
		6116	if( strcmp(input_type, size) == 0 ){
		6117	free(input_type);
		6118	return SIZE;
		6119	}
		6120	if( strcmp(input_type, xrange) == 0 ){
		6121	free(input_type);
		6122	return XRANGE;
		6123	}
		6124	if( strcmp(input_type, rangex) == 0 ){
		6125	free(input_type);
		6126	return XRANGE;
		6127	}
		6128	if( strcmp(input_type, trange) == 0 ){
		6129	free(input_type);
		6130	return TRANGE;
		6131	}
		6132	if( strcmp(input_type, ranget) == 0 ){
		6133	free(input_type);
		6134	return TRANGE;
		6135	}
		6136	if( strcmp(input_type, yrange) == 0 ){
		6137	free(input_type);
		6138	return YRANGE;
		6139	}
		6140	if( strcmp(input_type, rangey) == 0 ){
		6141	free(input_type);
		6142	return YRANGE;
		6143	}
		6144	if( strcmp(input_type, linewidth) == 0 ){
		6145	free(input_type);
		6146	return LINEWIDTH;
		6147	}
		6148	if( strcmp(input_type, dashed) == 0 ){
		6149	free(input_type);
		6150	return DASHED;
		6151	}
		6152	if( strcmp(input_type, dashtype) == 0 ){
		6153	free(input_type);
		6154	return DASHTYPE;
		6155	}
		6156	if( strcmp(input_type, axisnumbering) == 0 ){
		6157	free(input_type);
		6158	return AXIS_NUMBERING;
		6159	}
		6160	if( strcmp(input_type, axisnumbers) == 0 ){
		6161	free(input_type);
		6162	return AXIS_NUMBERING;
		6163	}
		6164	if( strcmp(input_type, axis) == 0 ){
		6165	free(input_type);
		6166	return AXIS;
		6167	}
		6168	if( strcmp(input_type, grid) == 0 ){
		6169	free(input_type);
		6170	return GRID;
		6171	}
		6172	if( strcmp(input_type, parallel) == 0 ){
		6173	free(input_type);
		6174	return PARALLEL;
		6175	}
		6176	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6177	free(input_type);
		6178	return HLINE;
		6179	}
		6180	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6181	free(input_type);
		6182	return VLINE;
		6183	}
		6184	if( strcmp(input_type, line) == 0 ){
		6185	free(input_type);
		6186	return LINE;
		6187	}
		6188	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6189	free(input_type);
		6190	return SEGMENT;
		6191	}
		6192	if( strcmp(input_type, dsegment) == 0 ){
		6193	free(input_type);
		6194	use_dashed = TRUE;
		6195	return SEGMENT;
		6196	}
		6197	if( strcmp(input_type, crosshairsize) == 0 ){
		6198	free(input_type);
		6199	return CROSSHAIRSIZE;
		6200	}
		6201	if( strcmp(input_type, arrowhead) == 0 ){
		6202	free(input_type);
		6203	return ARROWHEAD;
		6204	}
		6205	if( strcmp(input_type, crosshairs) == 0 ){
		6206	free(input_type);
		6207	return CROSSHAIRS;
		6208	}
		6209	if( strcmp(input_type, crosshair) == 0 ){
		6210	free(input_type);
		6211	return CROSSHAIR;
		6212	}
		6213	if( strcmp(input_type, onclick) == 0 ){
		6214	free(input_type);
		6215	return ONCLICK;
		6216	}
		6217	if( strcmp(input_type, drag) == 0 ){
		6218	free(input_type);
		6219	return DRAG;
		6220	}
		6221	if( strcmp(input_type, userdraw) == 0 ){
		6222	free(input_type);
		6223	return USERDRAW;
		6224	}
		6225	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6226	free(input_type);
		6227	return STYLE;
		6228	}
		6229	if( strcmp(input_type, fillcolor) == 0 ){
		6230	free(input_type);
		6231	return FILLCOLOR;
		6232	}
		6233	if( strcmp(input_type, strokecolor) == 0 ){
		6234	free(input_type);
		6235	return STROKECOLOR;
		6236	}
		6237	if( strcmp(input_type, filled) == 0 ){
		6238	free(input_type);
		6239	return FILLED;
		6240	}
		6241	if( strcmp(input_type, http) == 0 ){
		6242	free(input_type);
		6243	return HTTP;
		6244	}
		6245	if( strcmp(input_type, rays) == 0 ){
		6246	free(input_type);
		6247	return RAYS;
		6248	}
		6249	if( strcmp(input_type, lattice) == 0 ){
		6250	free(input_type);
		6251	return LATTICE;
		6252	}
		6253	if( strcmp(input_type, bgimage) == 0 ){
		6254	free(input_type);
		6255	return BGIMAGE;
		6256	}
		6257	if( strcmp(input_type, bgcolor) == 0 ){
		6258	free(input_type);
		6259	return BGCOLOR;
		6260	}
		6261	if( strcmp(input_type, backgroundimage) == 0 ){
		6262	free(input_type);
		6263	return BGIMAGE;
		6264	}
		6265	if( strcmp(input_type, text) == 0 ){
		6266	free(input_type);
		6267	return FLY_TEXT;
		6268	}
		6269	if( strcmp(input_type, textup) == 0 ){
		6270	free(input_type);
		6271	return FLY_TEXTUP;
		6272	}
		6273	if( strcmp(input_type, mouse) == 0 ){
		6274	free(input_type);
		6275	return MOUSE;
		6276	}
		6277	if( strcmp(input_type, mouseprecision) == 0 ){
		6278	free(input_type);
		6279	return MOUSE_PRECISION;
		6280	}
		6281	if( strcmp(input_type, precision) == 0 ){
		6282	free(input_type);
		6283	return MOUSE_PRECISION;
		6284	}
		6285	if( strcmp(input_type, curve) == 0 ){
		6286	free(input_type);
		6287	return CURVE;
		6288	}
		6289	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6290	use_dashed = TRUE;
7614	schaersvoo	6291	free(input_type);
		6292	return CURVE;
		6293	}
		6294	if( strcmp(input_type, plot) == 0 ){
		6295	free(input_type);
		6296	return CURVE;
		6297	}
		6298	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6299	use_dashed = TRUE;
7614	schaersvoo	6300	free(input_type);
		6301	return CURVE;
		6302	}
7788	schaersvoo	6303	if( strcmp(input_type, levelcurve) == 0 ){
		6304	free(input_type);
		6305	return LEVELCURVE;
		6306	}
7614	schaersvoo	6307	if( strcmp(input_type, plotsteps) == 0 ){
		6308	free(input_type);
		6309	return PLOTSTEPS;
		6310	}
		6311	if( strcmp(input_type, plotstep) == 0 ){
		6312	free(input_type);
		6313	return PLOTSTEPS;
		6314	}
		6315	if( strcmp(input_type, tsteps) == 0 ){
		6316	free(input_type);
		6317	return PLOTSTEPS;
		6318	}
		6319	if( strcmp(input_type, fontsize) == 0 ){
		6320	free(input_type);
		6321	return FONTSIZE;
		6322	}
		6323	if( strcmp(input_type, fontcolor) == 0 ){
		6324	free(input_type);
		6325	return FONTCOLOR;
		6326	}
		6327	if( strcmp(input_type, arrow) == 0 ){
		6328	free(input_type);
		6329	return ARROW;
		6330	}
		6331	if( strcmp(input_type, arrow2) == 0 ){
		6332	free(input_type);
		6333	return ARROW2;
		6334	}
		6335	if( strcmp(input_type, darrow) == 0 ){
		6336	free(input_type);
		6337	return ARROW;
		6338	}
		6339	if( strcmp(input_type, darrow2) == 0 ){
		6340	free(input_type);
		6341	use_dashed = TRUE;
		6342	return ARROW2;
		6343	}
		6344	if( strcmp(input_type, zoom) == 0 ){
		6345	free(input_type);
		6346	return ZOOM;
		6347	}
		6348	if( strcmp(input_type, triangle) == 0 ){
		6349	free(input_type);
		6350	return TRIANGLE;
		6351	}
		6352	if( strcmp(input_type, ftriangle) == 0 ){
		6353	free(input_type);
		6354	use_filled = TRUE;
		6355	return TRIANGLE;
		6356	}
		6357	if( strcmp(input_type, input) == 0 ){
		6358	free(input_type);
		6359	return INPUT;
		6360	}
		6361	if( strcmp(input_type, inputstyle) == 0 ){
		6362	free(input_type);
		6363	return INPUTSTYLE;
		6364	}
		6365	if( strcmp(input_type, textarea) == 0 ){
		6366	free(input_type);
		6367	return TEXTAREA;
		6368	}
		6369	if( strcmp(input_type, mathml) == 0 ){
		6370	free(input_type);
		6371	return MATHML;
		6372	}
		6373	if( strcmp(input_type, html) == 0 ){
		6374	free(input_type);
		6375	return MATHML;
		6376	}
		6377	if( strcmp(input_type, fontfamily) == 0 ){
		6378	free(input_type);
		6379	return FONTFAMILY;
		6380	}
		6381	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6382	free(input_type);
		6383	return POLYLINE;
		6384	}
		6385	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6386	free(input_type);
		6387	return RECT;
		6388	}
		6389	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6390	free(input_type);
		6391	return ROUNDRECT;
		6392	}
		6393	if( strcmp(input_type, froundrect) == 0 ){
		6394	free(input_type);
		6395	use_filled = TRUE;
		6396	return ROUNDRECT;
		6397	}
		6398	if( strcmp(input_type, square) == 0 ){
		6399	free(input_type);
		6400	return SQUARE;
		6401	}
		6402	if( strcmp(input_type, fsquare) == 0 ){
		6403	free(input_type);
		6404	use_filled = TRUE;
		6405	return SQUARE;
		6406	}
		6407	if( strcmp(input_type, dline) == 0 ){
		6408	use_dashed = TRUE;
		6409	free(input_type);
		6410	return LINE;
		6411	}
7786	schaersvoo	6412	if( strcmp(input_type, dvline) == 0 ){
		6413	use_dashed = TRUE;
		6414	free(input_type);
		6415	return VLINE;
		6416	}
		6417	if( strcmp(input_type, dhline) == 0 ){
		6418	use_dashed = TRUE;
		6419	free(input_type);
		6420	return HLINE;
		6421	}
7614	schaersvoo	6422	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6423	use_filled = TRUE;
		6424	free(input_type);
		6425	return RECT;
		6426	}
		6427	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6428	use_filled = TRUE;
		6429	free(input_type);
		6430	return CIRCLE;
		6431	}
		6432	if( strcmp(input_type, circle) == 0 ){
		6433	free(input_type);
		6434	return CIRCLE;
		6435	}
		6436	if( strcmp(input_type, point) == 0 ){
		6437	free(input_type);
		6438	return POINT;
		6439	}
		6440	if( strcmp(input_type, points) == 0 ){
		6441	free(input_type);
		6442	return POINTS;
		6443	}
		6444	if( strcmp(input_type, filledarc) == 0 ){
		6445	use_filled = TRUE;
		6446	free(input_type);
		6447	return ARC;
		6448	}
		6449	if( strcmp(input_type, arc) == 0 ){
		6450	free(input_type);
		6451	return ARC;
		6452	}
		6453	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6454	free(input_type);
		6455	return POLY;
		6456	}
		6457	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6458	use_filled = TRUE;
		6459	free(input_type);
		6460	return POLY;
		6461	}
		6462	if( strcmp(input_type, ellipse) == 0){
		6463	free(input_type);
		6464	return ELLIPSE;
		6465	}
		6466	if( strcmp(input_type, fill) == 0 ){
		6467	free(input_type);
		6468	return FLOODFILL;
		6469	}
		6470	if( strcmp(input_type, string) == 0 ){
		6471	free(input_type);
		6472	return STRING;
		6473	}
		6474	if( strcmp(input_type, stringup) == 0 ){
		6475	free(input_type);
		6476	return STRINGUP;
		6477	}
		6478	if( strcmp(input_type, opacity) == 0 ){
		6479	free(input_type);
		6480	return OPACITY;
		6481	}
		6482	if( strcmp(input_type, comment) == 0){
		6483	free(input_type);
		6484	return COMMENT;
		6485	}
		6486	if( strcmp(input_type, end) == 0){
		6487	free(input_type);
		6488	return END;
		6489	}
		6490	if( strcmp(input_type, fellipse) == 0){
		6491	free(input_type);
		6492	use_filled = TRUE;
		6493	return ELLIPSE;
		6494	}
		6495	if( strcmp(input_type, blink) == 0 ){
		6496	free(input_type);
		6497	return BLINK;
		6498	}
		6499	if( strcmp(input_type, button) == 0){
		6500	free(input_type);
		6501	return BUTTON;
		6502	}
		6503	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6504	free(input_type);
		6505	return TRANSLATION;
		6506	}
		6507	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6508	free(input_type);
		6509	return KILLTRANSLATION;
		6510	}
		6511	if( strcmp(input_type, rotate) == 0){
		6512	free(input_type);
		6513	return ROTATE;
		6514	}
7785	schaersvoo	6515	if( strcmp(input_type, affine) == 0){
		6516	free(input_type);
		6517	return AFFINE;
		6518	}
		6519	if( strcmp(input_type, killaffine) == 0){
		6520	free(input_type);
		6521	return KILLAFFINE;
		6522	}
7614	schaersvoo	6523	if( strcmp(input_type, audio) == 0 ){
		6524	free(input_type);
		6525	return AUDIO;
		6526	}
		6527	if( strcmp(input_type, audioobject) == 0 ){
		6528	free(input_type);
		6529	return AUDIOOBJECT;
		6530	}
		6531	if( strcmp(input_type, slider) == 0 ){
		6532	free(input_type);
		6533	return SLIDER;
		6534	}
		6535	if( strcmp(input_type, copy) == 0 ){
		6536	free(input_type);
		6537	return COPY;
		6538	}
		6539	if( strcmp(input_type, copyresized) == 0 ){
		6540	free(input_type);
		6541	return COPYRESIZED;
		6542	}
		6543	if( strcmp(input_type, patternfill) == 0 ){
		6544	free(input_type);
		6545	return PATTERNFILL;
		6546	}
		6547	if( strcmp(input_type, hatchfill) == 0 ){
		6548	free(input_type);
		6549	return HATCHFILL;
		6550	}
7647	schaersvoo	6551	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6552	free(input_type);
7647	schaersvoo	6553	return DIAMONDFILL;
7614	schaersvoo	6554	}
		6555	if( strcmp(input_type, dotfill) == 0 ){
		6556	free(input_type);
		6557	return DOTFILL;
		6558	}
		6559	if( strcmp(input_type, gridfill) == 0 ){
		6560	free(input_type);
		6561	return GRIDFILL;
		6562	}
		6563	if( strcmp(input_type, imagefill) == 0 ){
		6564	free(input_type);
		6565	return IMAGEFILL;
		6566	}
		6567	if( strcmp(input_type, clicktile_colors) == 0 ){
		6568	free(input_type);
		6569	return CLICKTILE_COLORS;
		6570	}
		6571	if( strcmp(input_type, clicktile) == 0 ){
		6572	free(input_type);
		6573	return CLICKTILE;
		6574	}
		6575	if( strcmp(input_type, xlogscale) == 0 ){
		6576	free(input_type);
		6577	return XLOGSCALE;
		6578	}
		6579	if( strcmp(input_type, ylogscale) == 0 ){
		6580	free(input_type);
		6581	return YLOGSCALE;
		6582	}
		6583	if( strcmp(input_type, xylogscale) == 0 ){
		6584	free(input_type);
		6585	return XYLOGSCALE;
		6586	}
		6587	if( strcmp(input_type, ylogscale) == 0 ){
		6588	free(input_type);
		6589	return YLOGSCALE;
		6590	}
7735	schaersvoo	6591	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6592	free(input_type);
7735	schaersvoo	6593	return XLOGBASE;
7614	schaersvoo	6594	}
7735	schaersvoo	6595	if( strcmp(input_type, ylogbase) == 0 ){
		6596	free(input_type);
		6597	return YLOGBASE;
		6598	}
7614	schaersvoo	6599	if( strcmp(input_type, intooltip) == 0 ){
		6600	free(input_type);
		6601	return INTOOLTIP;
		6602	}
		6603	if( strcmp(input_type,video) == 0 ){
		6604	free(input_type);
		6605	return VIDEO;
		6606	}
		6607	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6608	free(input_type);
		6609	return FLOODFILL;
		6610	}
		6611	if( strcmp(input_type,filltoborder) == 0 ){
		6612	free(input_type);
		6613	return FILLTOBORDER;
		6614	}
		6615	if( strcmp(input_type,clickfill) == 0 ){
		6616	free(input_type);
		6617	return CLICKFILL;
		6618	}
		6619	if( strcmp(input_type, replyformat) == 0 ){
		6620	free(input_type);
		6621	return REPLYFORMAT;
		6622	}
		6623	if( strcmp(input_type, pixelsize) == 0 ){
		6624	free(input_type);
		6625	return PIXELSIZE;
		6626	}
		6627	if( strcmp(input_type, setpixel) == 0 ){
		6628	free(input_type);
		6629	return SETPIXEL;
		6630	}
		6631	if( strcmp(input_type, pixels) == 0 ){
		6632	free(input_type);
		6633	return PIXELS;
		6634	}
		6635	if( strcmp(input_type, clickfillmarge) == 0 ){
		6636	free(input_type);
		6637	return CLICKFILLMARGE;
		6638	}
		6639	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6640	free(input_type);
		6641	return X_AXIS_STRINGS;
		6642	}
		6643	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6644	free(input_type);
		6645	return Y_AXIS_STRINGS;
		6646	}
		6647	if( strcmp(input_type, piechart) == 0 ){
		6648	free(input_type);
		6649	return PIECHART;
		6650	}
		6651	if( strcmp(input_type, barchart) == 0 ){
		6652	free(input_type);
		6653	return BARCHART;
		6654	}
		6655	if( strcmp(input_type, linegraph) == 0 ){
		6656	free(input_type);
		6657	return LINEGRAPH;
		6658	}
		6659	if( strcmp(input_type, clock) == 0 ){
		6660	free(input_type);
		6661	return CLOCK;
		6662	}
		6663	if( strcmp(input_type, legend) == 0 ){
		6664	free(input_type);
		6665	return LEGEND;
		6666	}
		6667	if( strcmp(input_type, legendcolors) == 0 ){
		6668	free(input_type);
		6669	return LEGENDCOLORS;
		6670	}
		6671	if( strcmp(input_type, xlabel) == 0 ){
		6672	free(input_type);
		6673	return XLABEL;
		6674	}
		6675	if( strcmp(input_type, ylabel) == 0 ){
		6676	free(input_type);
		6677	return YLABEL;
		6678	}
		6679	if( strcmp(input_type, animate) == 0 ){
		6680	free(input_type);
		6681	return ANIMATE;
		6682	}
		6683	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6684	if( strcmp(input_type, transparent) == 0 ){
		6685	free(input_type);
		6686	return TRANSPARENT;
		6687	}
		6688	if( strcmp(input_type, status) == 0 ){
		6689	free(input_type);
		6690	return STATUS;
		6691	}
		6692	if( strcmp(input_type, snaptogrid) == 0 ){
		6693	free(input_type);
		6694	return SNAPTOGRID;
		6695	}
7784	schaersvoo	6696	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6697	free(input_type);
		6698	return XSNAPTOGRID;
		6699	}
		6700	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6701	free(input_type);
		6702	return YSNAPTOGRID;
		6703	}
7652	schaersvoo	6704	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6705	free(input_type);
7652	schaersvoo	6706	return USERINPUT_XY;
		6707	}
7663	schaersvoo	6708	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6709	free(input_type);
		6710	return USERTEXTAREA_XY;
		6711	}
7654	schaersvoo	6712	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6713	free(input_type);
7654	schaersvoo	6714	return SGRAPH;
		6715	}
		6716	free(input_type);
7614	schaersvoo	6717	ungetc(c,infile);
		6718	return 0;
		6719	}
		6720
7729	schaersvoo	6721

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7792