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

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7786