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>
7842	bpr	19	/*
7614	schaersvoo	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
7842	bpr	26	/*
7614	schaersvoo	27	in case svgdraw is in ~/src/Misc/svgdraw
		28	#include "../svgdraw/include/matheval.h"
		29	*/
		30	#include "include/matheval.h"
7842	bpr	31	#include <assert.h>
7614	schaersvoo	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 */
7842	bpr	60	FILE *js_include_file;
7614	schaersvoo	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 */
7842	bpr	78	int done = FALSE;
7614	schaersvoo	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;
7797	schaersvoo	102	int use_pan_and_zoom = FALSE;
7614	schaersvoo	103	int line_width = 1;
		104	int decimals = 2;
		105	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		106	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		107	int drag_type = -1;/* 0,1,2 : xy,x,y */
		108	int use_tooltip = FALSE;
		109	char *tooltip_text = "Click here";
		110	char temp = ""; / */
		111	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		112	char *stroke_color = "255,0,0";
		113	char *fill_color = "0,255,0";
		114	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		115	char *font_color = "#00000";
		116	char *draw_type = "points";
		117	char *fly_font = "normal";
		118	char *input_style = "";
		119	char *flytext = "";
7785	schaersvoo	120	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	121	int pixelsize = 1;
		122	int reply_format = 0;
		123	int input_cnt = 0;
		124	int ext_img_cnt = 0;
		125	int font_size = 12;
		126	int dashtype[2] = { 2 , 2 };
		127	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		128	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		129	int arrow_head = 8; /* size in px*/
7833	schaersvoo	130	int crosshair_size = 5; /* size in px*/
7842	bpr	131	int plot_steps = 250;
7614	schaersvoo	132	int found_size_command = 0;
		133	int click_cnt = 1;
		134	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		135	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		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 */
7823	schaersvoo	141	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
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 = "";
7842	bpr	148
7614	schaersvoo	149	/* default writing a unzipped js-include file into wims getfile directory */
		150	char *w_wims_session = getenv("w_wims_session");
7842	bpr	151	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	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 */
7842	bpr	161	char *w_session = getenv("w_session");
7614	schaersvoo	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 */
7842	bpr	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 */
7614	schaersvoo	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
7842	bpr	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
7842	bpr	215	/*
7614	schaersvoo	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;\
7797	schaersvoo	225	var precision = 100;\
7729	schaersvoo	226	var canvas_div = document.getElementById(\"canvas_div%d\");\
		227	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;};\
		228	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	229	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);};};\
		230	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);};};\
		231	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);};};\
		232	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	233	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		234	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		235	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		236	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) ));};\
		237	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	238	var xlogbase = 10;\
		239	var ylogbase = 10;\
7729	schaersvoo	240	var use_xlogscale = 0;\
		241	var use_ylogscale = 0;\
		242	var x_strings = null;\
		243	var y_strings = null;\
		244	var use_pan_and_zoom = 0;\
7784	schaersvoo	245	var x_use_snap_to_grid = 0;\
		246	var y_use_snap_to_grid = 0;\
7729	schaersvoo	247	var xstart = 0;\
		248	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	249	/* default add the drag code : nearly always used ...*/
		250	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		251	break;
		252	case XRANGE:
		253	/*
		254	@ xrange xmin,xmax
7842	bpr	255	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	256	*/
		257	for(i = 0 ; i<2; i++){
		258	switch(i){
		259	case 0: xmin = get_real(infile,0);break;
		260	case 1: xmax = get_real(infile,1);break;
		261	default: break;
		262	}
		263	}
		264	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		265	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		266	break;
		267	case YRANGE:
		268	/*
		269	@ yrange ymin,ymax
		270	@ if not given 0,ysize (eg in pixels)
		271	*/
		272	for(i = 0 ; i<2; i++){
		273	switch(i){
		274	case 0: ymin = get_real(infile,0);break;
		275	case 1: ymax = get_real(infile,1);break;
		276	default: break;
		277	}
		278	}
		279	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		280	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		281	break;
		282	case TRANGE:
		283	/*
		284	@ trange tmin,tmax
		285	@ default -2,2
		286	*/
		287	use_parametric = TRUE;
		288	for(i = 0 ; i<2; i++){
		289	switch(i){
		290	case 0: tmin = get_real(infile,0);break;
		291	case 1: tmax = get_real(infile,1);break;
		292	default: break;
		293	}
		294	}
		295	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		296	break;
		297	case LINEWIDTH:
		298	/*
		299	@ linewidth int
		300	@ default 1
		301	*/
		302	line_width = (int) (get_real(infile,1));
		303	break;
		304	case ARROWHEAD:
		305	/*
		306	@ arrowhead int
		307	@ default 8 (pixels)
		308	*/
		309	arrow_head = (int) (get_real(infile,1));
		310	break;
		311	case CROSSHAIRSIZE:
		312	/*
		313	@ crosshairsize int
		314	@ default 10 (px)
		315	*/
		316	crosshair_size = (int) (get_real(infile,1));
		317	break;
		318	case CROSSHAIR:
		319	/*
		320	@ crosshair x,y,color
		321	@ draw a single crosshair point at (x;y) in color 'color'
		322	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		323	@ may be set draggable / onclick
		324	*/
		325	for(i=0;i<3;i++){
		326	switch(i){
		327	case 0: double_data[0] = get_real(infile,0);break; /* x */
		328	case 1: double_data[1] = get_real(infile,0);break; /* y */
		329	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		330	decimals = find_number_of_digits(precision);
7785	schaersvoo	331	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	332	click_cnt++;reset();
		333	break;
		334	default:break;
		335	}
		336	}
		337	break;
		338	case CROSSHAIRS:
		339	/*
		340	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		341	@ draw multiple crosshair points at given coordinates in color 'color'
		342	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		343	@ may be set draggable / onclick individually (!)
		344	*/
		345	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		346	fill_color = stroke_color;
		347	i=0;
		348	while( ! done ){ /* get next item until EOL*/
		349	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		350	if(i%2 == 0 ){
		351	double_data[i] = get_real(infile,0); /* x */
		352	}
		353	else
		354	{
		355	double_data[i] = get_real(infile,1); /* y */
		356	}
		357	i++;
		358	}
		359	decimals = find_number_of_digits(precision);
		360	for(c=0 ; c < i-1 ; c = c+2){
7785	schaersvoo	361	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	362	click_cnt++;
		363	}
		364	reset();
		365	break;
		366	case POINT:
		367	/*
		368	@ point x,y,color
		369	@ draw a single point at (x;y) in color 'color'
		370	@ use command 'linewidth int' to adust size
		371	@ may be set draggable / onclick
7842	bpr	372	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	373	*/
		374	for(i=0;i<3;i++){
		375	switch(i){
		376	case 0: double_data[0] = get_real(infile,0);break; /* x */
		377	case 1: double_data[1] = get_real(infile,0);break; /* y */
		378	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		379	decimals = find_number_of_digits(precision);
7785	schaersvoo	380	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	381	click_cnt++;break;
		382	default: break;
		383	}
		384	}
		385	reset();
		386	break;
		387	case POINTS:
		388	/*
7634	schaersvoo	389	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	390	@ draw multiple points at given coordinates in color 'color'
		391	@ use command 'linewidth int' to adust size
		392	@ may be set draggable / onclick individually (!)
		393	*/
		394	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		395	fill_color = stroke_color;
		396	i=0;
		397	while( ! done ){ /* get next item until EOL*/
		398	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		399	if(i%2 == 0 ){
		400	double_data[i] = get_real(infile,0); /* x */
		401	}
		402	else
		403	{
		404	double_data[i] = get_real(infile,1); /* y */
		405	}
		406	i++;
		407	}
7842	bpr	408	decimals = find_number_of_digits(precision);
7614	schaersvoo	409	for(c = 0 ; c < i-1 ; c = c+2){
7785	schaersvoo	410	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	411	click_cnt++;
		412	}
		413	reset();
		414	break;
		415	case SEGMENT:
		416	/*
		417	@ segment x1,y1,x2,y2,color
		418	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		419	@ may be set draggable / onclick
		420	*/
		421	for(i=0;i<5;i++) {
		422	switch(i){
		423	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		424	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		425	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		426	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		427	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		428	decimals = find_number_of_digits(precision);
7785	schaersvoo	429	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	430	click_cnt++;reset();
		431	break;
		432	default: break;
		433	}
		434	}
		435	break;
		436	case LINE:
		437	/*
		438	@ line x1,y1,x2,y2,color
		439	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		440	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		441	@ may be set draggable / onclick
		442	*/
		443	for(i=0;i<5;i++){
		444	switch(i){
		445	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		446	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		447	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		448	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		449	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		450	if( double_data[10] == double_data[12] ){ /* vertical line*/
		451	double_data[1] = xmin;
		452	double_data[3] = ymax;
		453	double_data[0] = double_data[10];
		454	double_data[2] = double_data[10];
		455	}
		456	else
		457	{
		458	if( double_data[11] == double_data[13] ){ /* horizontal line */
		459	double_data[1] = double_data[11];
		460	double_data[3] = double_data[11];
		461	double_data[0] = ymin;
		462	double_data[2] = xmax;
		463	}
		464	else
		465	{
		466	/* m */
		467	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		468	/* q */
		469	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
7842	bpr	470
7614	schaersvoo	471	/xmin,mxmin+q,xmax,mxmax+q/
7842	bpr	472
7614	schaersvoo	473	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		474	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		475	double_data[0] = xmin;
		476	double_data[2] = xmax;
		477	}
		478	}
		479	decimals = find_number_of_digits(precision);
7785	schaersvoo	480	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	481	click_cnt++;reset();
		482	break;
		483	}
		484	}
		485	break;
7842	bpr	486	case HLINE:
7614	schaersvoo	487	/*
		488	@ hline x,y,color
		489	@ draw a horizontal line through point (x:y) in color 'color'
		490	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		491	@ may be set draggable / onclick
		492	*/
		493	for(i=0;i<3;i++) {
		494	switch(i){
		495	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		496	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		497	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		498	double_data[3] = double_data[1];
		499	decimals = find_number_of_digits(precision);
7785	schaersvoo	500	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	501	click_cnt++;reset();
		502	break;
		503	}
		504	}
		505	break;
		506	case VLINE:
		507	/*
		508	@ vline x,y,color
		509	@ draw a vertical line through point (x:y) in color 'color'
		510	@ may be set draggable / onclick
		511	*/
		512	for(i=0;i<3;i++) {
		513	switch(i){
		514	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		515	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		516	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		517	double_data[2] = double_data[0];
		518	decimals = find_number_of_digits(precision);
7785	schaersvoo	519	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	520	click_cnt++;reset();
		521	break;
		522	}
		523	}
		524	break;
		525	case SQUARE:
		526	/*
		527	@ square x,y,side,color
		528	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		529	@ use command 'fsquare x,y,side,color' for a filled square
		530	@ use command/keyword 'filled' before command 'square x,y,side,color'
		531	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		532	@ may be set draggable / onclick
		533	*/
		534	for(i=0;i<5;i++){
		535	switch(i){
		536	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		537	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		538	case 2:double_data[2] = get_real(infile,0);
		539	double_data[3] = double_data[2];
		540	break; /* x-values */
		541	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		542	decimals = find_number_of_digits(precision);
7785	schaersvoo	543	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	544	click_cnt++;reset();
		545	break;
		546	}
		547	}
		548	break;
		549	case ROUNDRECT:
		550	/*
		551	@ roundrect x1,y1,x2,y2,radius,color
		552	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		553	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		554	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		555	@ may be set draggable / onclick
		556	*/
		557	for(i=0;i<6;i++){
		558	switch(i){
		559	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		560	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		561	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		562	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		563	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		564	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		565	decimals = find_number_of_digits(precision);
7785	schaersvoo	566	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	567	click_cnt++;reset();
		568	break;
		569	}
		570	}
		571	break;
		572	case RECT:
		573	/*
		574	@ rect x1,y1,x2,y2,color
		575	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		576	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		577	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		578	@ may be set draggable / onclick
		579	*/
		580	for(i=0;i<5;i++){
		581	switch(i){
		582	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		583	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		584	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		585	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		586	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		587	decimals = find_number_of_digits(precision);
7785	schaersvoo	588	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	589	click_cnt++;reset();
		590	break;
		591	}
		592	}
		593	break;
		594	case POLYLINE:
		595	/*
		596	@ polyline color,x1,y1,x2,y2...x_n,y_n
		597	@ may be set draggable / onclick
		598	*/
		599	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		600	i=0;
		601	c=0;
		602	while( ! done ){ /* get next item until EOL*/
		603	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		604	for( c = 0 ; c < 2; c++){
		605	if(c == 0 ){
		606	double_data[i] = get_real(infile,0);
		607	i++;
		608	}
		609	else
		610	{
		611	double_data[i] = get_real(infile,1);
		612	i++;
		613	}
		614	}
		615	}
		616	/* draw path : not closed & not filled */
		617	decimals = find_number_of_digits(precision);
7785	schaersvoo	618	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	619	click_cnt++;reset();
		620	break;
		621	case POLY:
		622	/*
		623	@ poly color,x1,y1,x2,y2...x_n,y_n
		624	@ draw closed polygon
		625	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		626	@ may be set draggable / onclick
		627	*/
		628	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		629	i=0;
		630	c=0;
		631	while( ! done ){ /* get next item until EOL*/
		632	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		633	for( c = 0 ; c < 2; c++){
		634	if(c == 0 ){
		635	double_data[i] = get_real(infile,0);
		636	i++;
		637	}
		638	else
		639	{
		640	double_data[i] = get_real(infile,1);
		641	i++;
		642	}
		643	}
		644	}
		645	/* draw path : closed & optional filled */
		646	decimals = find_number_of_digits(precision);
7785	schaersvoo	647	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	648	click_cnt++;reset();
		649	break;
7842	bpr	650	case ARC:
7614	schaersvoo	651	/*
		652	@ arc xc,yc,width,height,start_angle,end_angle,color
		653	@ can not be set "onclick" or "drag xy"
		654	@ attention: width == height == radius in pixels)
		655	*/
		656	for(i=0;i<7;i++){
		657	switch(i){
		658	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		659	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		660	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		661	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		662	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		663	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		664	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		665	/* in Shape library:
		666	x[0] = x[1] = xc
		667	y[0] = y[1] = yc
7842	bpr	668	w[0] = w[1] = radius = width = height
		669	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	670	*/
		671	decimals = find_number_of_digits(precision);
7785	schaersvoo	672	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	673	reset();
		674	break;
		675	}
		676	}
		677	break;
		678	case ELLIPSE:
		679	/*
		680	@ ellipse xc,yc,radius_x,radius_y,color
7842	bpr	681	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	682	@ radius_x and radius_y are in pixels
		683	@ may be set draggable / onclick
7842	bpr	684	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	685	*/
		686	for(i=0;i<5;i++){
		687	switch(i){
		688	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		689	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		690	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
7842	bpr	691	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	692	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		693	decimals = find_number_of_digits(precision);
7785	schaersvoo	694	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	695	click_cnt++;reset();
		696	break;
		697	}
		698	}
		699	break;
		700	case DASHTYPE:
		701	/*
		702	@ dashtype int ,int
		703	@ When dashed is set, the objects will be drawn with this dashtyp
		704	@ default value "dashtype 2,2"
		705	*/
		706	for(i=0;i<2;i++){
		707	switch(i){
		708	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		709	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		710	}
		711	}
		712	break;
		713	case CIRCLE:
		714	/*
		715	@ circle xc,yc,width (2*r in pixels),color
		716	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		717	@ use command 'fillcolor color' to set the fillcolor
		718	@ may be set draggable / onclick
7842	bpr	719	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	720	*/
		721	for(i=0;i<4;i++){
		722	switch(i){
		723	case 0: double_data[0] = get_real(infile,0);break; /* x */
		724	case 1: double_data[1] = get_real(infile,0);break; /* y */
		725	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		726	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		727	decimals = find_number_of_digits(precision);
7785	schaersvoo	728	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	729	click_cnt++;reset();
		730	break;
		731	}
		732	}
		733	break;
		734	case RAYS:
		735	/*
		736	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		737	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	738	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	739	*/
		740	stroke_color=get_color(infile,0);
7786	schaersvoo	741	fill_color = stroke_color;
		742	double_data[0] = get_real(infile,0);/* xc */
		743	double_data[1] = get_real(infile,0);/* yc */
		744	i=2;
		745	while( ! done ){ /* get next item until EOL*/
		746	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		747	if(i%2 == 0 ){
		748	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	749	}
7786	schaersvoo	750	else
		751	{
		752	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	753	}
7786	schaersvoo	754	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		755	i++;
7614	schaersvoo	756	}
7842	bpr	757
		758	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		759	decimals = find_number_of_digits(precision);
7786	schaersvoo	760	for(c=2; c<i;c = c+2){
7614	schaersvoo	761	click_cnt++;
7786	schaersvoo	762	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	763	}
		764	reset();
		765	break;
		766	case ARROW:
		767	/*
		768	@ arrow x1,y1,x2,y2,h,color
		769	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		770	@ use command 'linewidth int' to adjust thickness of the arrow
		771	@ may be set draggable / onclick
		772	*/
		773	for(i=0;i<6;i++){
		774	switch(i){
		775	case 0: double_data[0] = get_real(infile,0);break; /* x */
		776	case 1: double_data[1] = get_real(infile,0);break; /* y */
		777	case 2: double_data[2] = get_real(infile,0);break; /* x */
		778	case 3: double_data[3] = get_real(infile,0);break; /* y */
		779	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		780	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		781	decimals = find_number_of_digits(precision);
7785	schaersvoo	782	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	783	click_cnt++;
		784	reset();
		785	break;
		786	}
		787	}
		788	break;
		789	case ARROW2:
		790	/*
		791	@ arrow2 x1,y1,x2,y2,h,color
		792	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		793	@ use command 'arrowhead int' to adjust the arrow head size
		794	@ use command 'linewidth int' to adjust thickness of the arrow
		795	@ may be set draggable / onclick
		796	*/
		797	for(i=0;i<6;i++){
		798	switch(i){
		799	case 0: double_data[0] = get_real(infile,0);break; /* x */
		800	case 1: double_data[1] = get_real(infile,0);break; /* y */
		801	case 2: double_data[2] = get_real(infile,0);break; /* x */
		802	case 3: double_data[3] = get_real(infile,0);break; /* y */
		803	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		804	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		805	decimals = find_number_of_digits(precision);
7785	schaersvoo	806	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	807	click_cnt++;reset();
		808	break;
		809	}
		810	}
		811	break;
7842	bpr	812	case PARALLEL:
7614	schaersvoo	813	/*
		814	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
7842	bpr	815	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	816	*/
		817	for( i = 0;i < 8; i++ ){
		818	switch(i){
		819	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		820	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		821	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		822	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		823	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		824	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		825	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		826	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		827	decimals = find_number_of_digits(precision);
7785	schaersvoo	828	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	829	click_cnt++;reset();
		830	break;
		831	default: break;
		832	}
		833	}
		834	break;
		835	case TRIANGLE:
		836	/*
		837	@triangle x1,y1,x2,y2,x3,y3,color
		838	@may be set draggable / onclic
		839	*/
		840	for(i=0;i<7;i++){
		841	switch(i){
		842	case 0: double_data[0] = get_real(infile,0);break; /* x */
		843	case 1: double_data[1] = get_real(infile,0);break; /* y */
		844	case 2: double_data[2] = get_real(infile,0);break; /* x */
		845	case 3: double_data[3] = get_real(infile,0);break; /* y */
		846	case 4: double_data[4] = get_real(infile,0);break; /* x */
		847	case 5: double_data[5] = get_real(infile,0);break; /* y */
		848	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		849	decimals = find_number_of_digits(precision);
7785	schaersvoo	850	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	851	click_cnt++;reset();
		852	break;
		853	default: break;
		854	}
		855	}
		856	break;
		857	case LATTICE:
		858	/*
		859	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
7842	bpr	860	@can not be set "onclick" or "drag xy"
7614	schaersvoo	861	*/
		862	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		863	for( i = 0; i<9; i++){
		864	switch(i){
		865	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		866	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		867	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		868	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		869	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		870	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		871	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		872	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		873	case 8: stroke_color=get_color(infile,1);
		874	decimals = find_number_of_digits(precision);
		875	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);
		876	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		877	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);
		878	add_to_buffer(tmp_buffer);
		879	break;
		880	default:break;
		881	}
		882	}
		883	reset();
		884	break;
		885	case SNAPTOGRID:
		886	/*
		887	@ snaptogrid
		888	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		889	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	890	@ 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	891	*/
7784	schaersvoo	892	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	893	break;
7784	schaersvoo	894	case XSNAPTOGRID:
		895	/*
		896	@ xsnaptogrid
		897	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		898	@ in case of userdraw the drawn points will snap to xmajor grid
		899	@ 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 />
		900	*/
		901	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");
		902	break;
		903	case YSNAPTOGRID:
		904	/*
		905	@ ysnaptogrid
		906	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		907	@ in case of userdraw the drawn points will snap to ymajor grid
		908	@ 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 />
		909	*/
		910	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");
		911	break;
7663	schaersvoo	912	case USERTEXTAREA_XY:
		913	/*
		914	@ usertextarea_xy
7842	bpr	915	@ keyword
7663	schaersvoo	916	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
7842	bpr	917	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	918	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		919	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7842	bpr	920	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	921	*/
7749	schaersvoo	922	if(use_tooltip == TRUE){canvas_error("usertextarea_xy can not be combined with intooltip command");}
		923	if( use_input_xy == 1 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		924	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;};");
		925	use_input_xy = 2;
		926	break;
7652	schaersvoo	927	case USERINPUT_XY:
		928	/*
		929	@ userinput_xy
7842	bpr	930	@ keyword
7652	schaersvoo	931	@ to be used in combination with command "userdraw object_type,color"
7842	bpr	932	@ 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)
7652	schaersvoo	933	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	934	@ 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	935	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7842	bpr	936	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	937	*/
7749	schaersvoo	938	if(use_tooltip == TRUE){canvas_error("userinput_xy can not be combined with intooltip command");}
		939	/* add simple eval check to avoid code injection with unprotected eval(string) */
		940	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.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		941	use_input_xy = 1;
		942	break;
7614	schaersvoo	943	case USERDRAW:
		944	/*
		945	@ userdraw object_type,color
7663	schaersvoo	946	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrows</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li></ul>
7614	schaersvoo	947	@ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
		948	@ 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
7842	bpr	949	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	950	@ 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)
		951	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
7842	bpr	952	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	953	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		954	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7842	bpr	955	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	956	@ 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	957	*/
		958	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		959	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		960	}
		961	use_userdraw = TRUE;
7653	schaersvoo	962	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	963	draw_type = get_string_argument(infile,0);
		964	stroke_color = get_color(infile,1);
		965	if( strcmp(draw_type,"point") == 0 ){
		966	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		967	if(reply_format < 1 ){reply_format = 8;}
		968	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7842	bpr	969	if(use_input_xy == 1){
7652	schaersvoo	970	add_input_circle(js_include_file,1,1);
		971	add_input_xy(js_include_file,canvas_root_id);
		972	}
7614	schaersvoo	973	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);
		974	}
		975	else
		976	if( strcmp(draw_type,"points") == 0 ){
		977	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		978	if(reply_format < 1 ){reply_format = 8;}
		979	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7842	bpr	980	if(use_input_xy == 1){
7652	schaersvoo	981	add_input_circle(js_include_file,1,2);
		982	add_input_xy(js_include_file,canvas_root_id);
		983	}
7614	schaersvoo	984	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);
		985	}
		986	else
		987	if( strcmp(draw_type,"segment") == 0 ){
		988	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		989	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		990	if(reply_format < 1){reply_format = 11;}
7842	bpr	991	if(use_input_xy == 1){
7652	schaersvoo	992	add_input_segment(js_include_file,1);
		993	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		994	}
7614	schaersvoo	995	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		996	}
		997	else
7663	schaersvoo	998	if( strcmp(draw_type,"polyline") == 0 ){
		999	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	1000	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	1001	if( use_input_xy == 1 ){
		1002	add_input_polyline(js_include_file);
		1003	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1004	}
		1005	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1006	}
		1007	else
7614	schaersvoo	1008	if( strcmp(draw_type,"segments") == 0 ){
		1009	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1010	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1011	if(reply_format < 1){reply_format = 11;}
7842	bpr	1012	if(use_input_xy == 1){
7652	schaersvoo	1013	add_input_segment(js_include_file,2);
		1014	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1015	}
7614	schaersvoo	1016	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1017	}
		1018	else
		1019	if( strcmp(draw_type,"circle") == 0 ){
		1020	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1021	if(reply_format < 1){reply_format = 10;}
		1022	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7842	bpr	1023	if(use_input_xy == 1){
7652	schaersvoo	1024	add_input_circle(js_include_file,2,1);
		1025	add_input_xyr(js_include_file,canvas_root_id);
		1026	}
7614	schaersvoo	1027	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]);
		1028	}
		1029	else
		1030	if( strcmp(draw_type,"circles") == 0 ){
		1031	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1032	if(reply_format < 1){reply_format = 10;}
		1033	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1034	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]);
7842	bpr	1035	if(use_input_xy == 1){
7652	schaersvoo	1036	add_input_circle(js_include_file,2,2);
		1037	add_input_xyr(js_include_file,canvas_root_id);
		1038	}
7614	schaersvoo	1039	}
		1040	else
		1041	if(strcmp(draw_type,"crosshair") == 0 ){
		1042	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1043	if(reply_format < 1){reply_format = 8;}
		1044	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1045	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7842	bpr	1046	if(use_input_xy == 1){
7654	schaersvoo	1047	add_input_crosshair(js_include_file,1);
		1048	add_input_xy(js_include_file,canvas_root_id);
		1049	}
7614	schaersvoo	1050	}
		1051	else
		1052	if(strcmp(draw_type,"crosshairs") == 0 ){
		1053	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1054	if(reply_format < 1){reply_format = 8;}
		1055	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1056	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7842	bpr	1057	if(use_input_xy == 1){
7654	schaersvoo	1058	add_input_crosshair(js_include_file,2);
		1059	add_input_xy(js_include_file,canvas_root_id);
		1060	}
7614	schaersvoo	1061	}
		1062	else
		1063	if(strcmp(draw_type,"freehandline") == 0 ){
		1064	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1065	if(reply_format < 1){reply_format = 6;}
7842	bpr	1066	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	1067	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1068	}
		1069	else
		1070	if(strcmp(draw_type,"freehandlines") == 0 ){
		1071	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1072	if(reply_format < 1){reply_format = 6;}
7842	bpr	1073	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	1074	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1075	}
		1076	else
		1077	if(strcmp(draw_type,"path") == 0 ){
		1078	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1079	if(reply_format < 1){reply_format = 6;}
7842	bpr	1080	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	1081	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1082	}
		1083	else
		1084	if(strcmp(draw_type,"paths") == 0 ){
		1085	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1086	if(reply_format < 1){reply_format = 6;}
7842	bpr	1087	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	1088	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1089	}
		1090	else
		1091	if(strcmp(draw_type,"arrows") == 0 ){
		1092	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1093	if(reply_format < 1){reply_format = 11;}
		1094	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7842	bpr	1095	if(use_input_xy == 1){
7654	schaersvoo	1096	add_input_arrow(js_include_file,2);
		1097	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1098	}
7614	schaersvoo	1099	}
		1100	else
		1101	if(strcmp(draw_type,"arrow") == 0 ){
		1102	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1103	if(reply_format < 1){reply_format = 11;}
		1104	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7842	bpr	1105	if(use_input_xy == 1){
7654	schaersvoo	1106	add_input_arrow(js_include_file,1);
		1107	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1108	}
7614	schaersvoo	1109	}
		1110	else
		1111	if(strcmp(draw_type,"polygon") == 0){
		1112	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1113	if(reply_format < 1){reply_format = 2;}
		1114	add_js_poly(js_include_file,-1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7780	schaersvoo	1115	if( use_input_xy == 2 ){
		1116	add_textarea_polygon(js_include_file);
		1117	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1118	}
7614	schaersvoo	1119	}
7842	bpr	1120	else
7614	schaersvoo	1121	if(strncmp(draw_type,"poly",4) == 0){
		1122	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1123	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1124	if(reply_format < 1){reply_format = 2;}
		1125	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	1126	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1127	}
7842	bpr	1128	else
7614	schaersvoo	1129	if(strcmp(draw_type,"triangle") == 0){
		1130	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1131	if(reply_format < 1){reply_format = 2;}
		1132	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	1133	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1134	}
7842	bpr	1135	else
7614	schaersvoo	1136	if( strcmp(draw_type,"line") == 0 ){
		1137	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1138	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1139	if(reply_format < 1){reply_format = 11;}
		1140	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1141	if( use_input_xy == 1 ){
7780	schaersvoo	1142	add_input_line(js_include_file,1);
7747	schaersvoo	1143	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1144	}
7614	schaersvoo	1145	}
		1146	else
		1147	if( strcmp(draw_type,"lines") == 0 ){
		1148	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1149	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1150	if(reply_format < 1){reply_format = 11;}
		1151	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1152	if( use_input_xy == 1 ){
7780	schaersvoo	1153	add_input_line(js_include_file,2);
7747	schaersvoo	1154	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1155	}
7614	schaersvoo	1156	}
		1157	else
		1158	if( strcmp(draw_type,"rects") == 0){
		1159	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1160	if(reply_format < 1){reply_format = 2;}
		1161	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	1162	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1163	}
7842	bpr	1164	else
7614	schaersvoo	1165	if( strcmp(draw_type,"roundrects") == 0){
		1166	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1167	if(reply_format < 1){reply_format = 2;}
		1168	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	1169	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1170	}
7842	bpr	1171	else
7614	schaersvoo	1172	if( strcmp(draw_type,"rect") == 0){
		1173	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1174	if(reply_format < 1){reply_format = 2;}
		1175	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	1176	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1177	}
7842	bpr	1178	else
7614	schaersvoo	1179	if( strcmp(draw_type,"roundrect") == 0){
		1180	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1181	if(reply_format < 1){reply_format = 2;}
		1182	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	1183	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1184	}
		1185	else
		1186	if( strcmp(draw_type,"text") == 0){
7842	bpr	1187	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1188	if(reply_format < 1){reply_format = 17;}
		1189	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	1190	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1191	}
7842	bpr	1192	else
7614	schaersvoo	1193	{
		1194	canvas_error("unknown drawtype or typo? ");
		1195	}
		1196	reset();
		1197	break;
		1198	case PLOTSTEPS:
		1199	/*
		1200	@ plotsteps a_number
		1201	@ default 150
		1202	@ use with care !
		1203	*/
		1204	plot_steps = (int) (get_real(infile,1));
		1205	break;
		1206	case FONTSIZE:
		1207	/*
		1208	@fontsize font_size
		1209	@default value 12
		1210	*/
		1211	font_size = (int) (get_real(infile,1));
		1212	break;
		1213	case FONTCOLOR:
		1214	/*
		1215	@fontcolor color
		1216	@color: hexcolor or colorname
		1217	@default: black
		1218	@example usage: x/y-axis text
		1219	*/
		1220	font_color = get_color(infile,1);
		1221	break;
		1222	case ANIMATE:
		1223	/*
		1224	@animate type
		1225	@type may be "point" (nothing else , yet...)
		1226	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1227	@will animate a point on the next plot/curve command
		1228	@the curve will not be draw
		1229	@moves repeatedly from xmin to xmax
		1230	*/
		1231	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1232	break;
7788	schaersvoo	1233	case LEVELCURVE:
		1234	/*
		1235	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1236	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1237	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1238	@every individual level curve may be set 'onclick / drag xy' <br />e.g. every single level curve (l1,l2,l3...l_n) has a unique identifier
		1239	@note : the arrays for holding the javascript data are limited in size
		1240	@note : reduce image size if javascript data arrays get overloaded<br />(command 'plotsteps int' will not control the data size of the plot...)
7788	schaersvoo	1241	*/
7792	schaersvoo	1242	fill_color = get_color(infile,0);
7788	schaersvoo	1243	char *fun1 = get_string_argument(infile,0);
		1244	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1245	i = 0;
		1246	done = FALSE;
		1247	while( !done ){
		1248	double_data[i] = get_real(infile,1);
		1249	i++;
		1250	}
		1251	for(c = 0 ; c < i; c++){
		1252	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,eval_levelcurve(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision,double_data[c]),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
		1253	click_cnt++;
		1254	}
		1255	reset();
		1256	break;
7823	schaersvoo	1257	case TRACE_JSMATH:
		1258	/*
		1259	@trace_jsmath some_javascript_math_function
		1260	@will use a crosshair to trace the jsmath curve
		1261	@two inputfields will display the current x/y-values (approximated)
7842	bpr	1262	@default labels 'x' and 'y'<br />the commands 'xlabel some_x_axis_name' and 'ylabel some_y_axis_name' will set the label for the input fields
7823	schaersvoo	1263	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
		1264	@example: trace_jsmath Math.pow(x,2)+4*x+16
		1265	@example: trace_jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1266	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7833	schaersvoo	1267	@can not be combined with commands 'mouse color,fontsize' and 'intooltip tip_text'
7823	schaersvoo	1268	*/
		1269	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1270	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7823	schaersvoo	1271	add_trace_js_mouse(js_include_file,TRACE_CANVAS,canvas_root_id,stroke_color,get_string(infile,1),font_size,stroke_opacity,line_width,crosshair_size);
		1272	break;
		1273	case JSMATH:
		1274	/*
		1275	@jsmath some_javascript_math_function
		1276	@will calculate an y-value from a userinput x-value and draws a crosshairs on these coordinates.
7842	bpr	1277	@default labels 'x' and 'y'<br />the commands 'xlabel some_x_axis_name' and 'ylabel some_y_axis_name' will set the label for the input fields
7823	schaersvoo	1278	@example: jsmath Math.pow(x,2)+4*x+16
		1279	@example: jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1280	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7833	schaersvoo	1281	@can not be combined with commands 'mouse color,fontsize' and 'intooltip tip_text'
7823	schaersvoo	1282	*/
		1283	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1284	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1285	break;
7614	schaersvoo	1286	case CURVE:
		1287	/*
		1288	@curve color,formula(x)
		1289	@plot color,formula(x)
		1290	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1291	@use command "precision" to increase the number of digits of the plotted points
		1292	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1293	@may be set draggable / onclick
		1294	*/
		1295	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1296	use_parametric = FALSE;
		1297	stroke_color = get_color(infile,0);
		1298	char *fun1 = get_string_argument(infile,0);
		1299	char *fun2 = get_string_argument(infile,1);
		1300	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1301	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	1302	click_cnt++;
		1303	}
		1304	else
		1305	{
		1306	stroke_color = get_color(infile,0);
		1307	char *fun1 = get_string_argument(infile,1);
7842	bpr	1308	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1309	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	1310	click_cnt++;
		1311	}
7788	schaersvoo	1312	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1313	reset();
		1314	break;
		1315	case FLY_TEXT:
		1316	/*
		1317	@ text fontcolor,x,y,font,text_string
		1318	@ font may be described by keywords : giant,huge,normal,small,tiny
7842	bpr	1319	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1320	@ may be set "onclick" or "drag xy"
		1321	@ backwards compatible with flydraw
		1322	@ unicode supported: text red,0,0,huge,\\u2232
		1323	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1324	@ 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.
		1325	*/
		1326	for(i = 0; i < 5 ;i++){
		1327	switch(i){
		1328	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1329	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1330	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1331	case 3: fly_font = get_string_argument(infile,0);
		1332	if(strcmp(fly_font,"giant") == 0){
		1333	font_size = (int)(font_size + 24);
		1334	}
		1335	else
		1336	{
		1337	if(strcmp(fly_font,"huge") == 0){
		1338	font_size = (int)(font_size + 14);
		1339	}
		1340	else
		1341	{
		1342	if(strcmp(fly_font,"large") == 0){
		1343	font_size = (int)(font_size + 6);
		1344	}
		1345	else
		1346	{
		1347	if(strcmp(fly_font,"small") == 0){
		1348	font_size = (int)(font_size - 4);
		1349	if(font_size<0){font_size = 8;}
		1350	}
		1351	}
		1352	}
		1353	}
		1354	break; /* font_size ! */
7842	bpr	1355	case 4:
7614	schaersvoo	1356	temp = get_string_argument(infile,1);
		1357	decimals = find_number_of_digits(precision);
7785	schaersvoo	1358	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	1359	click_cnt++;reset();break;
		1360	default:break;
		1361	}
		1362	}
		1363	break;
		1364	case FLY_TEXTUP:
		1365	/*
		1366	@ textup fontcolor,x,y,font,text_string
		1367	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1368	@ font may be described by keywords : giant,huge,normal,small,tiny
7842	bpr	1369	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1370	@ backwards compatible with flydraw
		1371	@ unicode supported: textup red,0,0,huge,\\u2232
		1372	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1373	@ 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.
		1374	*/
7842	bpr	1375	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1376	for(i = 0; i<5 ;i++){
		1377	switch(i){
		1378	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1379	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1380	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1381	case 3: fly_font = get_string_argument(infile,0);
		1382	if(strcmp(fly_font,"giant") == 0){
		1383	font_size = (int)(font_size + 24);
		1384	}
		1385	else
		1386	{
		1387	if(strcmp(fly_font,"huge") == 0){
		1388	font_size = (int)(font_size + 14);
		1389	}
		1390	else
		1391	{
		1392	if(strcmp(fly_font,"large") == 0){
		1393	font_size = (int)(font_size + 6);
		1394	}
		1395	else
		1396	{
		1397	if(strcmp(fly_font,"small") == 0){
		1398	font_size = (int)(font_size - 4);
		1399	if(font_size<0){font_size = 8;}
		1400	}
		1401	}
		1402	}
		1403	}
		1404	break; /* font_size ! */
7842	bpr	1405	case 4:
7614	schaersvoo	1406	decimals = find_number_of_digits(precision);
		1407	temp = get_string_argument(infile,1);
		1408	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);
		1409	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1410	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);
		1411	add_to_buffer(tmp_buffer);
		1412	break;
		1413	default:break;
		1414	}
		1415	}
		1416	reset();
		1417	break;
		1418	case FONTFAMILY:
		1419	/*
		1420	@ fontfamily font_description
		1421	@ set the font family; for browsers that support it
		1422	@ font_description: Ariel ,Courier, Helvetica etc
		1423	@ 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
		1424	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1425	*/
		1426	font_family = get_string(infile,1);
		1427	break;
		1428	case STRINGUP:
7842	bpr	1429	/*
		1430	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1431	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1432	@ unicode supported: stringup red,0,0,45,\\u2232
		1433	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1434
		1435	*/
		1436	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1437	for(i=0;i<6;i++){
		1438	switch(i){
		1439	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1440	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1441	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1442	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1443	case 4: decimals = find_number_of_digits(precision);
		1444	temp = get_string_argument(infile,1);
		1445	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);
		1446	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1447	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);
		1448	add_to_buffer(tmp_buffer);
		1449	break;
		1450	default:break;
		1451	}
		1452	}
		1453	reset();
		1454	break;
		1455	case STRING:
7842	bpr	1456	/*
7614	schaersvoo	1457	@ string color,x,y,the text string
		1458	@ may be set "onclick" or "drag xy"
		1459	@ unicode supported: string red,0,0,\\u2232
7842	bpr	1460	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1461	*/
		1462	for(i=0;i<5;i++){
		1463	switch(i){
		1464	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1465	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1466	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1467	case 3: decimals = find_number_of_digits(precision);
		1468	temp = get_string_argument(infile,1);
		1469	decimals = find_number_of_digits(precision);
7785	schaersvoo	1470	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	1471	click_cnt++;reset();break;
		1472	break;
		1473	default:break;
		1474	}
		1475	}
		1476	break;
		1477	case MATHML:
		1478	/*
		1479	@ mathml x1,y1,x2,y2,mathml_string
7842	bpr	1480	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1481	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
7842	bpr	1482	@ 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();"
7614	schaersvoo	1483	@ 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....
7842	bpr	1484
7614	schaersvoo	1485	*/
		1486	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1487	for(i=0;i<5;i++){
		1488	switch(i){
		1489	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1490	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1491	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1492	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1493	case 4: decimals = find_number_of_digits(precision);
7842	bpr	1494	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1495	temp = get_string(infile,1);
		1496	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1497	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);
		1498	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1499	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);
		1500	add_to_buffer(tmp_buffer);
7842	bpr	1501	/*
		1502	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1503	if no other reply_format is defined
		1504	note: all other reply types will include a reading of elements with id='mathml'+p)
		1505	*/
		1506	if(strstr(temp,"mathml0") != NULL){
		1507	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1508	}
		1509	break;
		1510	default:break;
		1511	}
		1512	}
		1513	reset();
		1514	break;
		1515	case HTTP:
		1516	/*
		1517	@http x1,y1,x2,y2,http://some_adress.com
7842	bpr	1518	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1519	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1520	@can not be 'set onclick' or 'drag xy'
		1521	*/
7842	bpr	1522	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1523	for(i=0;i<5;i++){
		1524	switch(i){
		1525	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1526	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1527	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1528	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1529	case 4: decimals = find_number_of_digits(precision);
		1530	temp = get_string(infile,1);
		1531	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1532	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);
		1533	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1534	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);
		1535	add_to_buffer(tmp_buffer);
		1536	break;
		1537	}
		1538	}
		1539	reset();
		1540	break;
		1541	case HTML:
		1542	/*
		1543	@ html x1,y1,x2,y2,html_string
		1544	@ all tags are allowed
		1545	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1546	@ 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.
7842	bpr	1547
7614	schaersvoo	1548	note: uses the same code as 'mathml'
		1549	*/
		1550	break;
		1551	case X_AXIS_STRINGS:
		1552	/*
		1553	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1554	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1555	@ use these x-axis values in stead of default xmin...xmax
		1556	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1557	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1558	@ 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
		1559	@ 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
		1560	*/
		1561	temp = get_string(infile,1);
		1562	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1563	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1564	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1565	use_axis_numbering = 1;
		1566	break;
		1567	case Y_AXIS_STRINGS:
		1568	/*
		1569	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1570	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1571	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1572	@ use these y-axis values in stead of default ymin...ymax
		1573	@ 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
		1574	*/
		1575	temp = get_string(infile,1);
		1576	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1577	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1578	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1579	use_axis_numbering = 1;
		1580	break;
7842	bpr	1581
7614	schaersvoo	1582	case AXIS_NUMBERING:
		1583	/*
7842	bpr	1584	@ axisnumbering
7614	schaersvoo	1585	@ keyword, no aguments required
		1586	*/
		1587	use_axis_numbering = 1;
		1588	break;
		1589	case AXIS:
		1590	/*
		1591	@ axis
		1592	@ keyword, no aguments required
		1593
		1594	*/
		1595	use_axis = TRUE;
		1596	break;
7654	schaersvoo	1597	case SGRAPH:
		1598	/*
		1599	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1600	@ primitive implementation of a 'broken scale' graph...
		1601	@ not very versatile.
		1602	@ 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
		1603	*/
7842	bpr	1604	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	1605	for(i = 0 ; i < 8 ;i++){
		1606	switch(i){
		1607	case 0:double_data[0] = get_real(infile,0);break;
		1608	case 1:double_data[1] = get_real(infile,0);break;
		1609	case 2:double_data[2] = get_real(infile,0);break;
		1610	case 3:double_data[3] = get_real(infile,0);break;
		1611	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1612	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1613	case 6:stroke_color = get_color(infile,0);break;
		1614	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1615	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	1616	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1617	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	1618	add_to_buffer(tmp_buffer);
		1619	break;
		1620	default:break;
		1621	}
		1622	}
		1623	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1624	break;
7614	schaersvoo	1625	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1626	/*
		1627	@ grid step_x,step_y,gridcolor
		1628	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1629	@ 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	1630	@ 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	1631	@ can not be set "onclick" or "drag xy"
		1632	@ 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')
		1633	@ 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')
		1634	@ 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')
		1635	*/
7729	schaersvoo	1636	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1637	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1638	for(i=0;i<4;i++){
		1639	switch(i){
		1640	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1641	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1642	case 2:
		1643	if( use_axis == TRUE ){
		1644	stroke_color = get_color(infile,0);
		1645	done = FALSE;
		1646	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1647	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1648	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1649	fill_color = get_color(infile,1); /* used as axis_color*/
		1650	}
		1651	else
		1652	{
		1653	int_data[0] = 1;
		1654	int_data[1] = 1;
		1655	stroke_color = get_color(infile,1);
		1656	fill_color = stroke_color;
		1657	}
		1658	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	1659	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1660	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	1661	/* 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){ */
		1662
		1663	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);
		1664	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1665	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);
		1666	add_to_buffer(tmp_buffer);
		1667	break;
		1668	}
		1669	}
		1670	reset();
		1671	break;
		1672	case OPACITY:
		1673	/*
		1674	@ opacity 0-255,0-255
		1675	@
		1676	*/
		1677	for(i = 0 ; i<2;i++){
		1678	switch(i){
		1679	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1680	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1681	default: break;
		1682	}
		1683	}
		1684	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 ? */
		1685	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1686	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1687	break;
		1688	case ROTATE:
		1689	/*
		1690	@rotate rotation_angle
		1691	@
		1692	*/
		1693	use_rotate = TRUE;
		1694	use_translate = TRUE;
		1695	translate_x = x2px(0);
		1696	translate_y = y2px(0);
		1697	angle = get_real(infile,1);
		1698	break;
7785	schaersvoo	1699	case KILLAFFINE:
		1700	/*
		1701	@ killaffine
		1702	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1703	*/
		1704	use_affine = FALSE;
7842	bpr	1705	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	1706	break;
		1707	case AFFINE:
		1708	/*
		1709	@affine a,b,c,d,tx,ty
7842	bpr	1710	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	1711	@ use keyword 'killaffine' to end the transformation
		1712	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1713	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1714	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1715	@ a : Scales the drawings horizontally
		1716	@ b : Skews the drawings horizontally
		1717	@ c : Skews the drawings vertically
		1718	@ d : Scales the drawings vertically
7786	schaersvoo	1719	@ tx: Moves the drawings horizontally in pixels !
		1720	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1721	*/
		1722	for(i = 0 ; i<6;i++){
		1723	switch(i){
		1724	case 0: double_data[0] = get_real(infile,0);break;
		1725	case 1: double_data[1] = get_real(infile,0);break;
		1726	case 2: double_data[2] = get_real(infile,0);break;
		1727	case 3: double_data[3] = get_real(infile,0);break;
		1728	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1729	case 5: int_data[1] = (int)(get_real(infile,1));
		1730	use_affine = TRUE;
		1731	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]);
		1732	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
7842	bpr	1733	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]);
7785	schaersvoo	1734	break;
		1735	default: break;
		1736	}
		1737	}
		1738	break;
7614	schaersvoo	1739	case KILLTRANSLATION:
		1740	/*
		1741	killtranslation
		1742	*/
		1743	break;
		1744	case TRANSLATION:
		1745	/*
		1746	@translation tx,ty
		1747	@
		1748	*/
		1749	use_translate = TRUE;
		1750	translate_x = get_real(infile,0);
		1751	translate_y = get_real(infile,1);
		1752	break;
		1753	case DASHED:
		1754	/*
		1755	@ keyword "dashed"
		1756	@ next object will be drawn with a dashed line
		1757	@ change dashing scheme by using command "dashtype int,int)
		1758	*/
		1759	use_dashed = TRUE;
		1760	break;
		1761	case FILLED:
		1762	/*
7842	bpr	1763	@ keyword "filled"
		1764	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	1765	@ use command "fillcolor color" to set fillcolor
		1766	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1767	@ 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 !
		1768	*/
		1769	use_filled = TRUE;
		1770	break;
		1771	case STYLE:
		1772	/*
		1773	@highlight color,opacity,linewidth
		1774	@ NOT IMPLEMENTED
		1775	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1776	*/
		1777	break;
		1778	case FILLCOLOR:
		1779	/*
		1780	@ fillcolor colorname or #hex
		1781	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1782	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1783	*/
		1784	fill_color = get_color(infile,1);
		1785	break;
		1786	case STROKECOLOR:
		1787	/*
		1788	@ strokecolor colorname or #hex
		1789	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1790	*/
		1791	stroke_color = get_color(infile,1);
		1792	break;
7842	bpr	1793	case BGIMAGE:
7614	schaersvoo	1794	/*
		1795	@bgimage image_location
		1796	@use an image as background .<br />(we use the background of 'canvas_div' )
		1797	@the background image will be resized to match "width = xsize" and "height = ysize"
		1798	*/
		1799	URL = get_string(infile,1);
		1800	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);
		1801	break;
7842	bpr	1802	case BGCOLOR:
7614	schaersvoo	1803	/*
		1804	@bgcolor colorname or #hex
		1805	@use this color as background of the "div" containing the canvas(es)
		1806	*/
		1807	/* [255,255,255]*/
		1808	bgcolor = get_string(infile,1);
		1809	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1810	int found = 0;
		1811	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1812	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1813	bgcolor = colors[i].hex;
		1814	found = 1;
		1815	break;
		1816	}
		1817	}
		1818	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1819	}
		1820	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1821	break;
		1822	case COPY:
		1823	/*
		1824	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1825	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1826	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
7842	bpr	1827	@ [filename] is the URL of the image
7614	schaersvoo	1828	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1829	@ 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
7842	bpr	1830	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
7614	schaersvoo	1831
		1832	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1833	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1834	*/
		1835	for(i = 0 ; i<7;i++){
		1836	switch(i){
		1837	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1838	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1839	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1840	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1841	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1842	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1843	case 6: URL = get_string(infile,1);
		1844	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1845	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1846	if( drag_type > -1 ){
		1847	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1848	if(reply_format < 1 ){reply_format = 20;}
		1849	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);
		1850	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7842	bpr	1851	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);
7614	schaersvoo	1852	drag_type = -1;
		1853	ext_img_cnt++;
		1854	}
		1855	else
		1856	{
		1857	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1858	/*
		1859	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1860	*/
		1861	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]);
		1862	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1863	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]);
		1864	}
		1865	add_to_buffer(tmp_buffer);
		1866	break;
		1867	default: break;
		1868	}
		1869	}
		1870	reset();
		1871	break;
		1872	/*
		1873	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1874	img Specifies the image, canvas, or video element to use
		1875	sx The x coordinate where to start clipping : x1 = int_data[0]
		1876	sy The y coordinate where to start clipping : x2 = int_data[1]
7842	bpr	1877	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	1878	sheight The height of the clipped image : int_data[3] - int_data[1]
		1879	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1880	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1881	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1882	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1883	*/
		1884	case COPYRESIZED:
		1885	/*
		1886	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
7842	bpr	1887	@ 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
7614	schaersvoo	1888	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1889	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1890	@ 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
7842	bpr	1891	@ if you want to draw / userdraw on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
7614	schaersvoo	1892	*/
		1893	for(i = 0 ; i<9;i++){
		1894	switch(i){
		1895	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1896	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1897	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1898	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1899	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1900	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1901	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1902	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1903	case 8: URL = get_string(infile,1);
		1904	if( drag_type > -1 ){
		1905	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1906	if(reply_format < 1 ){reply_format = 20;}
		1907	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);
		1908	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1909	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);
		1910	drag_type = -1;
		1911	ext_img_cnt++;
		1912	}
		1913	else
		1914	{
		1915	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1916	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]);
		1917	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1918	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]);
		1919	}
		1920	add_to_buffer(tmp_buffer);
		1921	default: break;
		1922	}
		1923	}
		1924	reset();
		1925	break;
		1926	case BUTTON:
		1927	/*
		1928	button x,y,value
		1929	*/
		1930	break;
		1931	case INPUTSTYLE:
		1932	/*
		1933	@ inputstyle style_description
		1934	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1935	*/
		1936	input_style = get_string(infile,1);
		1937	break;
		1938	case INPUT:
7842	bpr	1939	/*
7614	schaersvoo	1940	@ input x,y,size,editable,value
7842	bpr	1941	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	1942	@ only active inputfields (editable = 1) will be read with read_canvas();
		1943	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1944	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1945	*/
7842	bpr	1946	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	1947	for(i = 0 ; i<5;i++){
		1948	switch(i){
		1949	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1950	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1951	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1952	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
7842	bpr	1953	case 4:
7614	schaersvoo	1954	temp = get_string_argument(infile,1);
		1955	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);
		1956	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1957	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);
		1958	add_to_buffer(tmp_buffer);
		1959	input_cnt++;break;
		1960	default: break;
		1961	}
		1962	}
		1963	if(reply_format < 1 ){reply_format = 15;}
		1964	reset();
		1965	break;
		1966	case TEXTAREA:
7842	bpr	1967	/*
7614	schaersvoo	1968	@ textarea x,y,cols,rows,readonly,value
		1969	@ may be further controlled by "inputstyle"
		1970	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1971	*/
7842	bpr	1972	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	1973	for(i = 0 ; i<6;i++){
		1974	switch(i){
		1975	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1976	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1977	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1978	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1979	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1980	case 5: temp = get_string_argument(infile,1);
		1981	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);
		1982	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1983	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);
		1984	add_to_buffer(tmp_buffer);
		1985	input_cnt++;break;
		1986	default: break;
		1987	}
		1988	}
		1989	if(reply_format < 1 ){reply_format = 15;}
		1990	reset();
		1991	break;
		1992	case MOUSE_PRECISION:
		1993	/*
		1994	@ precision int
		1995	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1996	@ may be used / changed before every object
		1997	*/
		1998	precision = (int) (get_real(infile,1));
		1999	break;
7838	schaersvoo	2000	case SETLIMITS:
		2001	/*
7842	bpr	2002	@setlimits
7838	schaersvoo	2003	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2004	@may be used for inputfield based zooming / panning
7842	bpr	2005	@note:the input value will not be checked on validity
7838	schaersvoo	2006	*/
		2007	add_setlimits(js_include_file,canvas_root_id);
		2008	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2009	use_pan_and_zoom = TRUE;
		2010	done = TRUE;
		2011	break;
7614	schaersvoo	2012	case ZOOM:
		2013	/*
		2014	@ zoom button_color
		2015	@ introduce a controlpanel at the lower right corner
		2016	@ 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
		2017	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2018	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
7842	bpr	2019	@ command 'opacity' may be used to set stroke_opacity of 'buttons
7614	schaersvoo	2020	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2021	@ 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 !!
		2022	*/
7653	schaersvoo	2023	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2024	use_pan_and_zoom = TRUE;
7614	schaersvoo	2025	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		2026	/* we use BG_CANVAS (0) */
		2027	stroke_color = get_color(infile,1);
7653	schaersvoo	2028	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2029	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	2030	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2031	add_to_buffer(tmp_buffer);
		2032	done = TRUE;
		2033	break;
		2034	case ONCLICK:
		2035	/*
		2036	@ onclick
		2037	@ keyword, no arguments
		2038	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
7842	bpr	2039	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7614	schaersvoo	2040	@ NOTE: not all objects may be set clickable
		2041	*/
7842	bpr	2042
7614	schaersvoo	2043	onclick = 1;
		2044	break;
		2045	case DRAG:
		2046	/*
		2047	@ drag [x][y][xy]
		2048	@ the next object will be draggable in x / y / xy direction
		2049	@ the displacement can be read by 'javascript:read_dragdrop();'
7842	bpr	2050	@ 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.
7614	schaersvoo	2051	@ 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 !!
		2052	*/
		2053	temp = get_string(infile,1);
7842	bpr	2054	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2055	drag_type = 0;
		2056	}
		2057	else
		2058	{
7842	bpr	2059	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2060	drag_type = 1;
		2061	}
		2062	else
		2063	{
		2064	drag_type = 2;
		2065	}
		2066	}
		2067	onclick = 2;
		2068	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2069	break;
		2070	case BLINK:
		2071	/*
		2072	@ blink time(seconds)
		2073	@ NOT IMPLEMETED -YET
		2074	*/
		2075	break;
		2076	case MOUSE:
		2077	/*
		2078	@ mouse color,fontsize
		2079	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2080	*/
		2081	stroke_color = get_color(infile,0);
		2082	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2083	tmp_buffer = my_newmem(26);
		2084	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7614	schaersvoo	2085	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2086	break;
		2087	case INTOOLTIP:
		2088	/*
		2089	@ intooltip link_text
		2090	@ link_text is a single line (span-element)
		2091	@ link_text may also be an image URL http://some_server/images/my_image.png
		2092	@ link_text may contain HTML markup
		2093	@ the canvas will be displayed in a tooltip on 'link_text'
		2094	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2095	*/
7823	schaersvoo	2096	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2097	use_tooltip = TRUE;
		2098	tooltip_text = get_string(infile,1);
		2099	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2100	break;
		2101	case AUDIO:
		2102	/*
		2103	@ audio x,y,w,h,loop,visible,audiofile location
		2104	@ x,y : left top corner of audio element (in xrange / yrange)
		2105	@ w,y : width and height in pixels
		2106	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2107	@ visible : 0 or 1 (1 = show controls)
		2108	@ audio format may be in .mp3 or .ogg
		2109	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2110	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2111	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2112	@ 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 />
		2113	*/
		2114	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2115	for(i=0;i<7;i++){
		2116	switch(i){
		2117	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2118	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2119	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2120	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2121	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2122	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
7842	bpr	2123	case 6:
7614	schaersvoo	2124	temp = get_string(infile,1);
		2125	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2126	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2127	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);
		2128	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2129	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);
		2130	add_to_buffer(tmp_buffer);
		2131	break;
		2132	default:break;
		2133	}
		2134	}
		2135	reset();
		2136	break;
		2137	case VIDEO:
		2138	/*
		2139	@ video x,y,w,h,videofile location
		2140	@ x,y : left top corner of audio element (in xrange / yrange)
		2141	@ w,y : width and height in pixels
		2142	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2143	@ video format may be in *.mp4 (todo:other formats)
		2144	*/
		2145	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2146	for(i=0;i<5;i++){
		2147	switch(i){
		2148	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2149	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2150	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2151	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2152	case 4: temp = get_string(infile,1);
		2153	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);
		2154	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2155	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);
		2156	add_to_buffer(tmp_buffer);
		2157	break;
		2158	default:break;
		2159	}
		2160	}
		2161	reset();
		2162	break;
		2163	case HATCHFILL:
		2164	/*
		2165	@ hatchfill x0,y0,dx,dy,color
		2166	@ x0,y0 in xrange / yrange
		2167	@ distances dx,dy in pixels
		2168	*/
		2169	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2170	for(i=0;i<5;i++){
		2171	switch(i){
		2172	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2173	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2174	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2175	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2176	case 4: stroke_color = get_color(infile,1);
		2177	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2178	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);
		2179	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2180	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);
		2181	add_to_buffer(tmp_buffer);
		2182	break;
		2183	default:break;
		2184	}
		2185	}
		2186	reset();
		2187	break;
7647	schaersvoo	2188	case DIAMONDFILL:
		2189	/*
		2190	@ diamondfill x0,y0,dx,dy,color
		2191	@ x0,y0 in xrange / yrange
		2192	@ distances dx,dy in pixels
		2193	*/
		2194	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2195	for(i=0;i<5;i++){
		2196	switch(i){
		2197	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2198	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2199	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2200	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2201	case 4: stroke_color = get_color(infile,1);
		2202	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2203	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);
		2204	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2205	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);
		2206	add_to_buffer(tmp_buffer);
		2207	break;
		2208	default:break;
		2209	}
		2210	}
		2211	reset();
		2212	break;
7614	schaersvoo	2213	case GRIDFILL:
		2214	/*
		2215	@ gridfill x0,y0,dx,dy,color
		2216	@ x0,y0 in xrange / yrange
		2217	@ distances dx,dy in pixels
		2218	*/
		2219	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2220	for(i=0;i<5;i++){
		2221	switch(i){
		2222	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2223	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2224	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2225	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2226	case 4: stroke_color = get_color(infile,1);
		2227	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2228	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);
		2229	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2230	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);
		2231	add_to_buffer(tmp_buffer);
		2232	break;
		2233	default:break;
		2234	}
		2235	}
		2236	reset();
		2237	break;
		2238	case DOTFILL:
		2239	/*
		2240	@ dotfill x0,y0,dx,dy,color
		2241	@ x0,y0 in xrange / yrange
		2242	@ distances dx,dy in pixels
		2243	@ radius of dots is linewidth
		2244	*/
		2245	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2246	for(i=0;i<5;i++){
		2247	switch(i){
		2248	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2249	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2250	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2251	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2252	case 4: stroke_color = get_color(infile,1);
		2253	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2254	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);
		2255	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2256	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);
		2257	add_to_buffer(tmp_buffer);
		2258	break;
		2259	default:break;
		2260	}
		2261	}
		2262	reset();
		2263	break;
		2264	case IMAGEFILL:
		2265	/*
		2266	@ imagefill dx,dy,image_url
		2267	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2268	@ After pattern filling ,the fill-color should be reset !
		2269	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2270	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2271	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2272	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2273	*/
		2274	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2275	for(i=0 ;i < 3 ; i++){
		2276	switch(i){
		2277	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2278	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2279	case 2: URL = get_string_argument(infile,1);
		2280	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);
		2281	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2282	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);
		2283	add_to_buffer(tmp_buffer);
		2284	break;
		2285	}
		2286	}
		2287	break;
		2288	case FILLTOBORDER:
		2289	/*
		2290	@ filltoborder x,y,bordercolor,color
7842	bpr	2291	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2292	@ any other color will not act as border to the bucket fill
		2293	@ use this command after all boundary objects are declared.
		2294	@ 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..
		2295	*/
		2296	for(i=0 ;i < 4 ; i++){
		2297	switch(i){
		2298	case 0:double_data[0] = get_real(infile,0);break;
		2299	case 1:double_data[1] = get_real(infile,0);break;
		2300	case 2:bgcolor = get_color(infile,0);break;
		2301	case 3:fill_color = get_color(infile,1);
		2302	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2303	js_function[DRAW_FILLTOBORDER] = 1;
		2304	add_js_filltoborder(js_include_file,canvas_root_id);
		2305	}
		2306	decimals = find_number_of_digits(precision);
		2307	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));
		2308	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2309	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));
		2310	add_to_buffer(tmp_buffer);
		2311	break;
		2312	default:break;
		2313	}
		2314	}
		2315	break;
		2316	case FLOODFILL:
		2317	/*
		2318	@ floodfill x,y,color
		2319	@ alternative syntax: fill x,y,color
		2320	@ fill the region of point (x:y) with color 'color'
		2321	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2322	@ use this command after all boundary objects are declared.
		2323	@ Use command 'clickfill,color' for user click driven flood fill.
		2324	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2325	@ 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..
		2326	*/
		2327	for(i=0 ;i < 4 ; i++){
		2328	switch(i){
		2329	case 0:double_data[0] = get_real(infile,0);break;
		2330	case 1:double_data[1] = get_real(infile,0);break;
		2331	case 2:fill_color = get_color(infile,1);
		2332	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2333	js_function[DRAW_FLOODFILL] = 1;
		2334	add_js_floodfill(js_include_file,canvas_root_id);
		2335	}
		2336	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2337	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));
		2338	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2339	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));
		2340	add_to_buffer(tmp_buffer);
		2341	break;
		2342	default:break;
		2343	}
		2344	}
		2345	break;
		2346	case CLICKFILLMARGE:
		2347	clickfillmarge = (int) (get_real(infile,1));
		2348	break;
		2349	/*
		2350	@ clickfillmarge int
		2351	@ default 20 (pixels)
		2352	@ 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[])
		2353	*/
		2354	case CLICKFILL:
		2355	/*
		2356	@ clickfill fillcolor
		2357	@ user left mouse click will floodfill the area with fillcolor
		2358	@ multiple areas may be coloured
		2359	@ 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)
		2360	@ the answer will be read as the (x:y) click coordinates per coloured area
		2361	@ background color of main div may be set by using command "bgcolor color"
		2362	@ may not be combined with command "userdraw"
		2363	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2364	*/
		2365	fill_color = get_color(infile,1);
		2366	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2367	js_function[DRAW_FLOODFILL] = 1;
		2368	add_js_floodfill(js_include_file,canvas_root_id);
		2369	}
7653	schaersvoo	2370	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	2371	add_read_canvas(1);
		2372	break;
		2373	case SETPIXEL:
		2374	/*
		2375	@ setpixel x,y,color
		2376	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2377	@ pixels can not be dragged or clicked
		2378	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2379	*/
		2380	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2381	for(i=0;i<3;i++){
		2382	switch(i){
		2383	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2384	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2385	case 2: stroke_color = get_color(infile,1);
		2386	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2387	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2388	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2389	add_to_buffer(tmp_buffer);
		2390	break;
		2391	default:break;
		2392	}
		2393	}
		2394	reset();
		2395	break;
		2396	case PIXELSIZE:
		2397	/*
		2398	@ pixelsize int
		2399	@ in case you want to deviate from default pixelsize = 1...
		2400	*/
		2401	pixelsize = (int) get_real(infile,1);
		2402	break;
		2403	case PIXELS:
		2404	/*
		2405	@ pixels color,x1,y1,x2,y2,x3,y3...
		2406	@ Draw "points" with diameter 1 pixel
		2407	@ pixels can not be dragged or clicked
		2408	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2409	*/
		2410	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2411	stroke_color=get_color(infile,0);
		2412	i=0;
		2413	c=0;
		2414	while( ! done ){ /* get next item until EOL*/
		2415	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2416	for( c = 0 ; c < 2; c++){
		2417	if(c == 0 ){
		2418	double_data[i] = get_real(infile,0);
		2419	i++;
		2420	}
		2421	else
		2422	{
		2423	double_data[i] = get_real(infile,1);
		2424	i++;
		2425	}
		2426	}
		2427	}
		2428	decimals = find_number_of_digits(precision);
		2429	/* double_xy2js_array(double xy[],int len,int decimals) /
		2430	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2431	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2432	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2433	add_to_buffer(tmp_buffer);
		2434	break;
		2435	case REPLYFORMAT:
		2436	/*
		2437	@ replyformat number
		2438	@ default values should be fine !
7782	schaersvoo	2439	@ 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	2440	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2441	*/
		2442	reply_format = (int) get_real(infile,1);
		2443	break;
		2444	case LEGENDCOLORS:
		2445	/*
		2446	@ legendcolors color1:color2:color3:...:color_n
		2447	@ will be used to colour a legend
		2448	@ make sure the number of colours match the number of legend items
7842	bpr	2449	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	2450	*/
		2451	temp = get_string(infile,1);
		2452	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2453	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2454	break;
		2455	case LEGEND:
		2456	/*
		2457	@ legend string1:string2:string3....string_n
		2458	@ will be used to create a legend for a graph
7842	bpr	2459	@ also see command 'piechart'
7614	schaersvoo	2460	*/
		2461	temp = get_string(infile,1);
		2462	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2463	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2464	break;
		2465	case XLABEL:
		2466	/*
		2467	@ xlabel some_string
		2468	@ will be used to create a label for the x-axis (label is in quadrant I)
		2469	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7842	bpr	2470	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2471	*/
		2472	temp = get_string(infile,1);
7653	schaersvoo	2473	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2474	break;
		2475	case YLABEL:
		2476	/*
		2477	@ ylabel some_string
7842	bpr	2478	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	2479	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7842	bpr	2480	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2481	*/
		2482	temp = get_string(infile,1);
7653	schaersvoo	2483	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2484	break;
		2485	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2486	/*
		2487	@ linegraph x1:y1;x2:y2...x_n:y;2
		2488	@ will plot your data in a graph
		2489	@ may only to be used together with command 'grid'
		2490	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2491	@ use command 'legend' to provide an optional legend in right-top-corner
		2492	@ also see command 'piechart'
		2493	@ multiple linegraphs may be used in a single plot
		2494	@ <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>
7842	bpr	2495	*/
7614	schaersvoo	2496	temp = get_string(infile,1);
		2497	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2498	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	2499	linegraph_cnt++;
		2500	reset();
		2501	break;
		2502	case CLOCK:
		2503	/*
		2504	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2505	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2506	@ 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
		2507	@ 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>
		2508	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2509	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2510	@ 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	2511	*/
		2512	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2513
		2514	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2515	for(i=0;i<9;i++){
		2516	switch(i){
		2517	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2518	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2519	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2520	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2521	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2522	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2523	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	2524	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2525	switch(int_data[7]){
		2526	case 0:break;
		2527	case 1:if(clock_cnt == 0){
		2528	if( reply_format == 0 ){
7614	schaersvoo	2529	reply_format = 18; /* user sets clock */
7783	schaersvoo	2530	/* 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	2531	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2532	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");
		2533	add_to_buffer(tmp_buffer);
7783	schaersvoo	2534	*/
		2535	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");
		2536	}
		2537	else
		2538	{
		2539	canvas_error("interactive clock may not be used together with other reply_types...");
		2540	}
		2541	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);
		2542	}
		2543	break;
		2544	case 2:if( reply_format == 0 ){
		2545	reply_format = 19; /* "onclick */
		2546	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 ");
		2547	}
		2548	else
		2549	{
		2550	if( reply_format != 19){
7614	schaersvoo	2551	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2552	}
7783	schaersvoo	2553	}
		2554	break;
		2555	default: canvas_error("interactive must be set 0,1 or 2");break;
		2556	}
		2557	break;
7842	bpr	2558	case 8:
7614	schaersvoo	2559	temp = get_string(infile,1);
		2560	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2561	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2562	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);
		2563	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2564	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);
		2565	add_to_buffer(tmp_buffer);
		2566	clock_cnt++;
		2567	break;
		2568	default:break;
		2569	}
		2570	}
		2571	break;
		2572	case BARCHART:
		2573	/*
		2574	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2575	@ will be used to create a legend for bar graph
		2576	@ may only to be used together with command 'grid'
		2577	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2578	@ use command 'legend' to provide an optional legend in right-top-corner
7842	bpr	2579	@ also see command 'piechart'
7614	schaersvoo	2580	*/
		2581	temp = get_string(infile,1);
		2582	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2583	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2584	reset();
		2585	break;
		2586	case PIECHART:
		2587	/*
		2588	@ piechart xc,yc,radius,'data+colorlist'
		2589	@ (xc : yc) center of circle diagram in xrange/yrange
		2590	@ radius in pixels
		2591	@ 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
		2592	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2593	@ the number of colors must match the number of data.
		2594	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2595	@ 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...
		2596	*/
7842	bpr	2597	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2598	for(i=0;i<5;i++){
		2599	switch(i){
		2600	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2601	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2602	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2603	case 3: temp = get_string(infile,1);
		2604	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2605	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);
		2606	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2607	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);
		2608	add_to_buffer(tmp_buffer);
		2609	break;
		2610	default:break;
		2611	}
		2612	}
		2613	reset();
		2614	break;
		2615	case STATUS:
		2616	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2617	break;
7735	schaersvoo	2618	case XLOGBASE:
7729	schaersvoo	2619	/*
7735	schaersvoo	2620	@ xlogbase number
		2621	@ sets the logbase number for the x-axis
7729	schaersvoo	2622	@ default value 10
7735	schaersvoo	2623	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2624	*/
7735	schaersvoo	2625	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2626	break;
7735	schaersvoo	2627	case YLOGBASE:
		2628	/*
		2629	@ ylogbase number
		2630	@ sets the logbase number for the y-axis
		2631	@ default value 10
		2632	@ use together with commands ylogscale / xylogscale
		2633	*/
		2634	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2635	break;
7614	schaersvoo	2636	case XLOGSCALE:
		2637	/*
7735	schaersvoo	2638	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2639	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2640	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		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'
7842	bpr	2644	@ 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	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 />\
7842	bpr	2648	@ 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')
7735	schaersvoo	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...
7614	schaersvoo	2651	*/
7735	schaersvoo	2652	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2653	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2654	for(i=0;i<4;i++){
		2655	switch(i){
		2656	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2657	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2658	case 2: stroke_color = get_color(infile,0); break;
7842	bpr	2659	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2660	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	2661	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2662	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	2663	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2664	add_to_buffer(tmp_buffer);
		2665	break;
		2666	default:break;
		2667	}
		2668	}
7614	schaersvoo	2669	break;
		2670	case YLOGSCALE:
7729	schaersvoo	2671	/*
		2672	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2673	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2674	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2675	@ the linewidth is set using command 'linewidth int'
		2676	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2677	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7842	bpr	2678	@ 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	2679	@ note: the complete canvas will be used for the 'log paper'
		2680	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2681	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7842	bpr	2682	@ 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	2683	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2684	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2685	*/
		2686	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2687	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2688	for(i=0;i<4;i++){
		2689	switch(i){
		2690	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2691	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2692	case 2: stroke_color = get_color(infile,0); break;
7842	bpr	2693	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2694	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	2695	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2696	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	2697	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2698	add_to_buffer(tmp_buffer);
		2699	break;
		2700	default:break;
		2701	}
		2702	}
7614	schaersvoo	2703	break;
		2704	case XYLOGSCALE:
7735	schaersvoo	2705	/*
		2706	@ xylogscale majorcolor,minorcolor
		2707	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2708	@ the linewidth is set using command 'linewidth int'
		2709	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2710	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7842	bpr	2711	@ 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	2712	@ note: the complete canvas will be used for the 'log paper'
		2713	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2714	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7842	bpr	2715	@ 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	2716	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2717	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2718	*/
		2719	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2720	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2721	for(i=0;i<2;i++){
		2722	switch(i){
		2723	case 0: stroke_color = get_color(infile,0); break;
7842	bpr	2724	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2725	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	2726	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2727	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	2728	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2729	add_to_buffer(tmp_buffer);
		2730	break;
		2731	default:break;
		2732	}
		2733	}
		2734	break;
7614	schaersvoo	2735	default:sync_input(infile);
		2736	break;
		2737	}
7842	bpr	2738	}
7614	schaersvoo	2739	/* we are done parsing script file */
7842	bpr	2740
7614	schaersvoo	2741	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2742	add_javascript_functions(js_function,canvas_root_id);
		2743	/* add read_canvas() etc functions if needed */
		2744	if( reply_format > 0 ){ add_read_canvas(reply_format);}
7797	schaersvoo	2745	if( use_pan_and_zoom == TRUE ){
		2746	/* in case of zooming ... */
7729	schaersvoo	2747	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	2748	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	2749	var ymin_start=ymin;var ymax_start=xmax;\
		2750	var zoom_x_increment=0;var zoom_y_increment=0;\
		2751	var pan_x_increment=0;var pan_y_increment=0;\
		2752	if(use_ylogscale == 0 ){\
		2753	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2754	}else{\
		2755	zoom_x_increment = (xmax - xmin)/20;\
		2756	pan_x_increment = (xmax - xmin)/20;\
		2757	};\
7653	schaersvoo	2758	function start_canvas%d(type){\
		2759	switch(type){\
7729	schaersvoo	2760	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2761	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	2762	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2763	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2764	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2765	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2766	case 6:location.reload();break;\
		2767	default:break;\
		2768	};\
		2769	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2770	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2771	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2772	%s\
		2773	};\
7797	schaersvoo	2774	start_canvas%d(333);\
7614	schaersvoo	2775	};\n\
		2776	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	2777	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		2778	}
		2779	else
		2780	{
		2781	/* no zoom, just add buffer */
		2782	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		2783	%s\
		2784	};\n\
		2785	<!-- end wims_canvas_function -->\n\
		2786	wims_canvas_function%d();\n",buffer,canvas_root_id);
		2787	}
7614	schaersvoo	2788	/* done writing the javascript include file */
		2789	fclose(js_include_file);
		2790
		2791	}
		2792
		2793	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2794	if(use_tooltip == TRUE){
		2795	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2796	}
		2797	exit(EXIT_SUCCESS);
		2798	}
		2799	/* end main() */
		2800
		2801	/******************************************************************************
		2802	**
		2803	** sync_input
		2804	**
		2805	** synchronises input line - reads to end of line, leaving file pointer
		2806	** at first character of next line.
		2807	**
		2808	** Used by:
		2809	** main program - error handling.
		2810	**
		2811	******************************************************************************/
		2812	void sync_input(FILE *infile)
		2813	{
		2814	int c = 0;
		2815
7658	schaersvoo	2816	if( c == '\n' \|\| c == ';' ) return;
		2817	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2818	if( c == EOF ) finished = 1;
7658	schaersvoo	2819	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2820	return;
		2821	}
		2822
		2823	/******************************************************************************/
		2824
		2825	char str_replace(const char str, const char old, const char new){
		2826	/* http://creativeandcritical.net/str-replace-c/ */
		2827	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2828	char ret, r;
		2829	const char p, q;
		2830	size_t oldlen = strlen(old);
		2831	size_t count = 0;
		2832	size_t retlen = 0;
		2833	size_t newlen = strlen(new);
		2834	if (oldlen != newlen){
		2835	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2836	count++;
		2837	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2838	}
7842	bpr	2839	}
7614	schaersvoo	2840	else
		2841	{
		2842	retlen = strlen(str);
		2843	}
7842	bpr	2844
7614	schaersvoo	2845	if ((ret = malloc(retlen + 1)) == NULL){
		2846	ret = NULL;
		2847	canvas_error("string argument is NULL");
		2848	}
		2849	else
		2850	{
		2851	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2852	size_t l = q - p;
		2853	memcpy(r, p, l);
		2854	r += l;
		2855	memcpy(r, new, newlen);
		2856	r += newlen;
		2857	}
		2858	strcpy(r, p);
		2859	}
		2860	return ret;
		2861	}
		2862
		2863	/******************************************************************************/
		2864	/*
		2865	avoid the use of ctypes.h for tolower() toupper();
		2866	it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
		2867	Upper case -> Lower case : c = c - 'A'+ 'a';
		2868	Lower case -> Upper case c = c + 'A' - 'a';
		2869	*/
		2870	int tolower(int c){
		2871	if(c <= 'Z'){
		2872	if (c >= 'A'){
		2873	return c - 'A' + 'a';
		2874	}
		2875	}
		2876	return c;
7842	bpr	2877	}
7614	schaersvoo	2878
		2879	int toupper(int c){
		2880	if(c >= 'a' && c <= 'z'){
		2881	return c + 'A' - 'a';
		2882	}
		2883	return c;
7842	bpr	2884	}
7614	schaersvoo	2885
		2886	char get_color(FILE infile , int last){
		2887	int c,i = 0,is_hex = 0;
		2888	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2889	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2890	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2891	if( c == '#' ){
		2892	is_hex = 1;
		2893	}
		2894	if( c != ' '){
		2895	temp[i]=tolower(c);
		2896	i++;
		2897	}
		2898	}
7842	bpr	2899	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2900	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2901	if( c == EOF ){finished = 1;}
		2902	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2903	temp[i]='\0';
		2904	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2905	if( is_hex == 1 ){
		2906	char red[3], green[3], blue[3];
		2907	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2908	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2909	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2910	int r = (int) strtol(red, NULL, 16);
		2911	int g = (int) strtol(green, NULL, 16);
		2912	int b = (int) strtol(blue, NULL, 16);
		2913	string = (char *)my_newmem(12);
		2914	snprintf(string,11,"%d,%d,%d",r,g,b);
		2915	return string;
		2916	}
		2917	else
		2918	{
		2919	string = (char *)my_newmem(sizeof(temp));
		2920	snprintf(string,sizeof(temp),"%s",temp);
		2921	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2922	if( strcmp( colors[i].name , string ) == 0 ){
		2923	return colors[i].rgb;
		2924	}
		2925	}
		2926	}
		2927	/* not found...return error */
		2928	free(string);string = NULL;
		2929	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2930	return NULL;
		2931	}
		2932
		2933	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2934	int c,i=0;
		2935	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2936	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2937	temp[i]=c;
		2938	i++;
		2939	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2940	}
7842	bpr	2941	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2942	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2943	if( c == EOF ) {
		2944	finished = 1;
		2945	if( last != 1 ){ canvas_error("expected more arguments");}
		2946	}
		2947	temp[i]='\0';
		2948	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2949	string=(char *)my_newmem(strlen(temp));
		2950	snprintf(string,sizeof(temp),"%s",temp);
		2951	return string;
		2952	}
		2953
		2954	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2955	int c,i=0;
		2956	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2957	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2958	temp[i]=c;
		2959	i++;
		2960	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2961	}
7842	bpr	2962	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2963	if( c == '\n') { line_number++; }
7614	schaersvoo	2964	if( c == EOF ) {finished = 1;}
		2965	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2966	temp[i]='\0';
		2967	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2968	string=(char *)my_newmem(sizeof(temp));
		2969	snprintf(string,sizeof(temp),"%s",temp);
		2970	done = TRUE;
		2971	return string;
		2972	}
		2973
		2974	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2975	int c,i=0,found_calc = 0;
		2976	double y;
		2977	char tmp[MAX_INT];
7658	schaersvoo	2978	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2979	if( c != ' ' ){
7842	bpr	2980	/*
		2981	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	2982	We will check after assert() if it's a NULL pointer...and exit program via :
		2983	canvas_error("I'm having trouble parsing your \"expression\" ");
		2984	*/
7842	bpr	2985	if( i == 0 && c == '+' ){
7614	schaersvoo	2986	continue;
7842	bpr	2987	}
7614	schaersvoo	2988	else
		2989	{
		2990	if(canvas_iscalculation(c) != 0){
		2991	found_calc = 1;
		2992	c = tolower(c);
		2993	}
		2994	tmp[i] = c;
		2995	i++;
		2996	}
		2997	}
		2998	if( i > MAX_INT - 1){canvas_error("number too large");}
		2999	}
7842	bpr	3000	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3001	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3002	if( c == EOF ){done = TRUE ; finished = 1;}
		3003	tmp[i]='\0';
		3004	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		3005	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
		3006	void *f = evaluator_create(tmp);
		3007	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
		3008	y = evaluator_evaluate_x(f, 1);
		3009	/* if function is bogus; y = 1 : so no core dumps */
		3010	evaluator_destroy(f);
		3011	}
		3012	else
		3013	{
		3014	y = atof(tmp);
		3015	}
		3016	return y;
		3017	}
		3018	void canvas_error(char *msg){
7748	schaersvoo	3019	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3020	finished = 1;
		3021	exit(EXIT_SUCCESS);
		3022	}
		3023
		3024
		3025	/* convert x/y coordinates to pixel */
		3026	int x2px(double x){
		3027	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3028	}
		3029
		3030	int y2px(double y){
		3031	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3032	}
		3033
		3034	double px2x(int x){
		3035	return (x*(xmax - xmin)/xsize + xmin);
		3036	}
		3037	double px2y(int y){
		3038	return (y*(ymax - ymin)/ysize + ymin);
		3039	}
		3040
		3041	void add_to_buffer(char *tmp){
		3042	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3043	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3044	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3045	if( space_left > strlen(tmp)){
		3046	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3047	}
		3048	else
		3049	{
		3050	canvas_error("buffer is too big\n");
		3051	}
		3052	tmp = NULL;free(tmp);
		3053	return;
		3054	}
		3055
		3056	void reset(){
		3057	if(use_filled == TRUE){use_filled = FALSE;}
		3058	if(use_dashed == TRUE){use_dashed = FALSE;}
		3059	if(use_translate == TRUE){use_translate = FALSE;}
		3060	if(use_rotate == TRUE){use_rotate = FALSE;}
		3061	onclick = 0;
		3062	}
		3063
		3064
		3065
		3066	/* What reply format in read_canvas();
		3067
		3068	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3069	1 = x1,x2,x3,x4....x_n
		3070	y1,y2,y3,y4....y_n
		3071
		3072	x/y in pixels
		3073
		3074	2 = x1,x2,x3,x4....x_n
		3075	y1,y2,y3,y4....y_n
		3076	x/y in xrange / yrange coordinate system
		3077
		3078	3 = x1,x2,x3,x4....x_n
		3079	y1,y2,y3,y4....y_n
		3080	r1,r2,r3,r4....r_n
		3081
7842	bpr	3082	x/y in pixels
7614	schaersvoo	3083	r in pixels
		3084
		3085	4 = x1,x2,x3,x4....x_n
		3086	y1,y2,y3,y4....y_n
		3087	r1,r2,r3,r4....r_n
		3088
		3089	x/y in xrange / yrange coordinate system
		3090	r in pixels
		3091
		3092	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3093	Ay1,Ay2,Ay3,Ay4....Ay_n
		3094	Bx1,Bx2,Bx3,Bx4....Bx_n
		3095	By1,By2,By3,By4....By_n
		3096	Cx1,Cx2,Cx3,Cx4....Cx_n
		3097	Cy1,Cy2,Cy3,Cy4....Cy_n
		3098	....
		3099	Zx1,Zx2,Zx3,Zx4....Zx_n
		3100	Zy1,Zy2,Zy3,Zy4....Zy_n
7842	bpr	3101
7614	schaersvoo	3102	x/y in pixels
		3103
		3104	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3105	Ay1,Ay2,Ay3,Ay4....Ay_n
		3106	Bx1,Bx2,Bx3,Bx4....Bx_n
		3107	By1,By2,By3,By4....By_n
		3108	Cx1,Cx2,Cx3,Cx4....Cx_n
		3109	Cy1,Cy2,Cy3,Cy4....Cy_n
		3110	....
		3111	Zx1,Zx2,Zx3,Zx4....Zx_n
		3112	Zy1,Zy2,Zy3,Zy4....Zy_n
		3113
		3114	x/y in xrange / yrange coordinate system
7842	bpr	3115
7614	schaersvoo	3116	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7842	bpr	3117
7614	schaersvoo	3118	x/y in pixels
		3119
		3120	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7842	bpr	3121
7614	schaersvoo	3122	x/y in xrange / yrange coordinate system
		3123
7842	bpr	3124	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3125
		3126	x/y in pixels
		3127
7842	bpr	3128	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3129
		3130	x/y in xrange / yrange coordinate system
		3131
		3132	11 = Ax1,Ay1,Ax2,Ay2
		3133	Bx1,By1,Bx2,By2
		3134	Cx1,Cy1,Cx2,Cy2
		3135	Dx1,Dy1,Dx2,Dy2
		3136	......
		3137	Zx1,Zy1,Zx2,Zy2
7842	bpr	3138
7614	schaersvoo	3139	x/y in xrange / yrange coordinate system
		3140
		3141	12 = Ax1,Ay1,Ax2,Ay2
		3142	Bx1,By1,Bx2,By2
		3143	Cx1,Cy1,Cx2,Cy2
		3144	Dx1,Dy1,Dx2,Dy2
		3145	......
		3146	Zx1,Zy1,Zx2,Zy2
7842	bpr	3147
7614	schaersvoo	3148	x/y in pixels
		3149
		3150	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3151
		3152	x/y in xrange / yrange coordinate system
		3153	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3154	x/y in pixels
		3155	15 = reply from inputfields,textareas
		3156	reply1,reply2,reply3,...,reply_n
		3157
		3158	16 = read mathml inputfields only
		3159
		3160	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3161	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3162
		3163	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3164	19 = return clicked object number (analogue to shape-library onclick)
		3165	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3166	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3167	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3168	x/y in xrange / yrange coordinate system
7842	bpr	3169	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3170	*/
		3171
		3172
		3173	void add_read_canvas(int type_reply){
		3174	/* just 1 reply type allowed */
		3175	switch(type_reply){
		3176	/* TO DO
7842	bpr	3177	!!!! NEED TO SIMPLIFY !!!!
7614	schaersvoo	3178	answers may have:
		3179	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3180	*/
		3181	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3182	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3183	function read_canvas(){\
		3184	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3185	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3186	var p = 0;var input_reply = new Array();\
		3187	if( document.getElementById(\"canvas_input0\")){\
		3188	var t = 0;\
		3189	while(document.getElementById(\"canvas_input\"+t)){\
		3190	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3191	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3192	p++;\
		3193	};\
		3194	t++;\
		3195	};\
		3196	};\
		3197	if( typeof userdraw_text != 'undefined' ){\
		3198	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3199	}\
		3200	else\
		3201	{\
		3202	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3203	}\
		3204	}\
		3205	else\
		3206	{\
		3207	if( typeof userdraw_text != 'undefined' ){\
		3208	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3209	}\
		3210	else\
		3211	{\
		3212	return userdraw_x+\"\\n\"+userdraw_y;\
		3213	}\
		3214	};\
		3215	};\
		3216	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3217	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3218	break;
		3219	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3220	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3221	function read_canvas(){\
		3222	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3223	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3224	while(userdraw_x[p]){\
		3225	reply_x[p] = px2x(userdraw_x[p]);\
		3226	reply_y[p] = px2y(userdraw_y[p]);\
		3227	p++;\
		3228	};\
		3229	if(p == 0){alert(\"nothing drawn...\");return;};\
		3230	if( document.getElementById(\"canvas_input0\")){\
		3231	var p = 0;var input_reply = new Array();\
		3232	if( document.getElementById(\"canvas_input0\")){\
		3233	var t = 0;\
		3234	while(document.getElementById(\"canvas_input\"+t)){\
		3235	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3236	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3237	p++;\
		3238	};\
		3239	t++;\
		3240	};\
		3241	};\
		3242	if( typeof userdraw_text != 'undefined' ){\
		3243	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3244	}\
		3245	else\
		3246	{\
		3247	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3248	}\
		3249	}\
		3250	else\
		3251	{\
		3252	if( typeof userdraw_text != 'undefined' ){\
		3253	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3254	}\
		3255	else\
		3256	{\
		3257	return reply_x+\"\\n\"+reply_y;\
		3258	};\
		3259	};\
		3260	};\
		3261	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3262	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3263	break;
		3264	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3265	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3266	function read_canvas(){\
		3267	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3268	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3269	var p = 0;var input_reply = new Array();\
		3270	if( document.getElementById(\"canvas_input0\")){\
		3271	var t = 0;\
		3272	while(document.getElementById(\"canvas_input\"+t)){\
		3273	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3274	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3275	p++;\
		3276	};\
		3277	t++;\
		3278	};\
		3279	};\
		3280	if( typeof userdraw_text != 'undefined' ){\
		3281	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3282	}\
		3283	else\
		3284	{\
		3285	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3286	}\
		3287	}\
		3288	else\
		3289	{\
		3290	if( typeof userdraw_text != 'undefined' ){\
		3291	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3292	}\
		3293	else\
		3294	{\
		3295	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3296	}\
		3297	}\
		3298	};\
		3299	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3300	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3301	break;
		3302	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3303	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3304	function read_canvas(){\
		3305	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3306	while(userdraw_x[p]){\
		3307	reply_x[p] = px2x(userdraw_x[p]);\
		3308	reply_y[p] = px2y(userdraw_y[p]);\
		3309	p++;\
		3310	};\
		3311	if(p == 0){alert(\"nothing drawn...\");return;};\
		3312	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3313	var p = 0;var input_reply = new Array();\
		3314	if( document.getElementById(\"canvas_input0\")){\
		3315	var t = 0;\
		3316	while(document.getElementById(\"canvas_input\"+t)){\
		3317	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3318	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3319	p++;\
		3320	};\
		3321	t++;\
		3322	};\
		3323	};\
		3324	if( typeof userdraw_text != 'undefined' ){\
		3325	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3326	}\
		3327	else\
		3328	{\
		3329	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3330	}\
		3331	}\
		3332	else\
		3333	{\
		3334	if( typeof userdraw_text != 'undefined' ){\
		3335	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3336	}\
		3337	else\
		3338	{\
		3339	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3340	}\
		3341	};\
		3342	};\
		3343	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3344	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3345	break;
7842	bpr	3346	/*
		3347	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3348	used for userdraw multiple paths
7614	schaersvoo	3349	*/
		3350	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3351	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3352	function read_canvas(){\
		3353	var p = 0;\
		3354	var reply = \"\";\
		3355	for(p = 0; p < userdraw_x.length;p++){\
		3356	if(userdraw_x[p] != null ){\
		3357	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3358	};\
		3359	};\
		3360	if(p == 0){alert(\"nothing drawn...\");return;};\
		3361	userdraw_x = [];userdraw_y = [];\
		3362	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3363	var p = 0;var input_reply = new Array();\
		3364	if( document.getElementById(\"canvas_input0\")){\
		3365	var t = 0;\
		3366	while(document.getElementById(\"canvas_input\"+t)){\
		3367	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3368	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3369	p++;\
		3370	};\
		3371	t++;\
		3372	};\
		3373	};\
		3374	if( typeof userdraw_text != 'undefined' ){\
		3375	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3376	}\
		3377	else\
		3378	{\
		3379	return reply +\"\\n\"+input_reply;\
		3380	}\
		3381	}\
		3382	else\
		3383	{\
		3384	if( typeof userdraw_text != 'undefined' ){\
		3385	return reply+\"\\n\"+userdraw_text;\
		3386	}\
		3387	else\
		3388	{\
		3389	return reply;\
		3390	}\
		3391	};\
		3392	};\
7654	schaersvoo	3393	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3394	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3395	break;
7842	bpr	3396	/*
		3397	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3398	used for userdraw multiple paths
7614	schaersvoo	3399	*/
		3400	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3401	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3402	function read_canvas(){\
		3403	var p = 0;\
		3404	var reply = \"\";\
		3405	var tmp_x = new Array();\
		3406	var tmp_y = new Array();\
		3407	for(p = 0 ; p < userdraw_x.length; p++){\
		3408	tmp_x = userdraw_x[p];\
		3409	tmp_y = userdraw_y[p];\
		3410	if(tmp_x != null){\
		3411	for(var i = 0 ; i < tmp_x.length ; i++){\
		3412	tmp_x[i] = px2x(tmp_x[i]);\
		3413	tmp_y[i] = px2y(tmp_y[i]);\
		3414	};\
		3415	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3416	};\
		3417	};\
		3418	if(p == 0){alert(\"nothing drawn...\");return;};\
		3419	userdraw_x = [];userdraw_y = [];\
		3420	if( document.getElementById(\"canvas_input0\") ){\
		3421	var p = 0;var input_reply = new Array();\
		3422	if( document.getElementById(\"canvas_input0\")){\
		3423	var t = 0;\
		3424	while(document.getElementById(\"canvas_input\"+t)){\
		3425	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3426	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3427	p++;\
		3428	};\
		3429	t++;\
		3430	};\
		3431	};\
		3432	if( typeof userdraw_text != 'undefined' ){\
		3433	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3434	}\
		3435	else\
		3436	{\
		3437	return reply +\"\\n\"+input_reply;\
		3438	}\
		3439	}\
		3440	else\
		3441	{\
		3442	if( typeof userdraw_text != 'undefined' ){\
		3443	return reply +\"\\n\"+userdraw_text;\
		3444	}\
		3445	else\
		3446	{\
		3447	return reply;\
		3448	}\
		3449	};\
		3450	};\
		3451	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3452	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3453	break;
		3454	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3455	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3456	function read_canvas(){\
		3457	var reply = new Array();\
		3458	var p = 0;\
		3459	while(userdraw_x[p]){\
		3460	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3461	p++;\
		3462	};\
		3463	if(p == 0){alert(\"nothing drawn...\");return;};\
		3464	if( document.getElementById(\"canvas_input0\") ){\
		3465	var p = 0;var input_reply = new Array();\
		3466	if( document.getElementById(\"canvas_input0\")){\
		3467	var t = 0;\
		3468	while(document.getElementById(\"canvas_input\"+t)){\
		3469	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3470	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3471	p++;\
		3472	};\
		3473	t++;\
		3474	};\
		3475	};\
		3476	if( typeof userdraw_text != 'undefined' ){\
		3477	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3478	}\
		3479	else\
		3480	{\
		3481	return reply+\"\\n\"+input_reply;\
		3482	}\
		3483	};\
		3484	else\
		3485	{\
		3486	if( typeof userdraw_text != 'undefined' ){\
		3487	return reply+\"\\n\"+userdraw_text;\
		3488	}\
		3489	else\
		3490	{\
		3491	return reply;\
		3492	}\
		3493	};\
		3494	};\
		3495	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3496	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3497	break;
		3498	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3499	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3500	function read_canvas(){\
		3501	var reply = new Array();\
		3502	var p = 0;\
		3503	while(userdraw_x[p]){\
		3504	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3505	p++;\
		3506	};\
		3507	if(p == 0){alert(\"nothing drawn...\");return;};\
		3508	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3509	var p = 0;var input_reply = new Array();\
		3510	if( document.getElementById(\"canvas_input0\")){\
		3511	var t = 0;\
		3512	while(document.getElementById(\"canvas_input\"+t)){\
		3513	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3514	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3515	p++;\
		3516	};\
		3517	t++;\
		3518	};\
		3519	};\
		3520	if( typeof userdraw_text != 'undefined' ){\
		3521	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3522	}\
		3523	else\
		3524	{\
		3525	return reply +\"\\n\"+input_reply;\
		3526	}\
		3527	}\
		3528	else\
		3529	{\
		3530	if( typeof userdraw_text != 'undefined' ){\
		3531	return reply +\"\\n\"+userdraw_text;\
		3532	}\
		3533	else\
		3534	{\
		3535	return reply;\
		3536	}\
		3537	};\
		3538	};\
		3539	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3540	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3541	break;
		3542	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3543	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3544	function read_canvas(){\
		3545	var reply = new Array();\
		3546	var p = 0;\
		3547	while(userdraw_x[p]){\
		3548	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3549	p++;\
		3550	};\
		3551	if(p == 0){alert(\"nothing drawn...\");return;};\
		3552	if( document.getElementById(\"canvas_input0\") ){\
		3553	var p = 0;var input_reply = new Array();\
		3554	if( document.getElementById(\"canvas_input0\")){\
		3555	var t = 0;\
		3556	while(document.getElementById(\"canvas_input\"+t)){\
		3557	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3558	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3559	p++;\
		3560	};\
		3561	t++;\
		3562	};\
		3563	};\
		3564	if( typeof userdraw_text != 'undefined' ){\
		3565	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3566	}\
		3567	else\
		3568	{\
		3569	return reply +\"\\n\"+input_reply;\
		3570	}\
		3571	}\
		3572	else\
		3573	{\
		3574	if( typeof userdraw_text != 'undefined' ){\
		3575	return reply +\"\\n\"+userdraw_text;\
		3576	}\
		3577	else\
		3578	{\
		3579	return reply;\
		3580	}\
		3581	};\
		3582	};\
		3583	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3584	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3585	break;
		3586	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3587	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3588	function read_canvas(){\
		3589	var reply = new Array();\
		3590	var p = 0;\
		3591	while(userdraw_x[p]){\
		3592	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3593	p++;\
		3594	};\
		3595	if(p == 0){alert(\"nothing drawn...\");return;};\
		3596	if( document.getElementById(\"canvas_input0\") ){\
		3597	var p = 0;var input_reply = new Array();\
		3598	if( document.getElementById(\"canvas_input0\")){\
		3599	var t = 0;\
		3600	while(document.getElementById(\"canvas_input\"+t)){\
		3601	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3602	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3603	p++;\
		3604	};\
		3605	t++;\
		3606	};\
		3607	};\
		3608	if( typeof userdraw_text != 'undefined' ){\
		3609	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3610	}\
		3611	else\
		3612	{\
		3613	return reply +\"\\n\"+input_reply;\
		3614	}\
		3615	}\
		3616	else\
		3617	{\
		3618	if( typeof userdraw_text != 'undefined' ){\
		3619	return reply +\"\\n\"+userdraw_text;\
		3620	}\
		3621	else\
		3622	{\
		3623	return reply;\
		3624	}\
		3625	};\
		3626	};\
		3627	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3628	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3629	break;
		3630	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3631	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3632	function read_canvas(){\
		3633	var reply = \"\";\
		3634	var p = 0;\
		3635	while(userdraw_x[p]){\
		3636	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3637	p = p+2;\
		3638	};\
		3639	if(p == 0){alert(\"nothing drawn...\");return;};\
		3640	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3641	var p = 0;var input_reply = new Array();\
		3642	if( document.getElementById(\"canvas_input0\")){\
		3643	var t = 0;\
		3644	while(document.getElementById(\"canvas_input\"+t)){\
		3645	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3646	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3647	p++;\
		3648	};\
		3649	t++;\
		3650	};\
		3651	};\
		3652	if( typeof userdraw_text != 'undefined' ){\
		3653	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3654	}\
		3655	else\
		3656	{\
		3657	return reply +\"\\n\"+input_reply;\
		3658	}\
		3659	}\
		3660	else\
		3661	{\
		3662	if( typeof userdraw_text != 'undefined' ){\
		3663	return reply +\"\\n\"+userdraw_text;\
		3664	}\
		3665	else\
		3666	{\
		3667	return reply;\
		3668	}\
		3669	};\
		3670	};\
		3671	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3672	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3673	break;
		3674	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3675	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3676	function read_canvas(){\
		3677	var reply = \"\";\
		3678	var p = 0;\
		3679	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3680	if(userdraw_x[p] != null){\
		3681	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3682	};\
		3683	};\
		3684	if(p == 0){alert(\"nothing drawn...\");return;};\
		3685	if( document.getElementById(\"canvas_input0\") ){\
		3686	var p = 0;var input_reply = new Array();\
		3687	if( document.getElementById(\"canvas_input0\")){\
		3688	var t = 0;\
		3689	while(document.getElementById(\"canvas_input\"+t)){\
		3690	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3691	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3692	p++;\
		3693	};\
		3694	t++;\
		3695	};\
		3696	};\
		3697	if( typeof userdraw_text != 'undefined' ){\
		3698	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3699	}\
		3700	else\
		3701	{\
		3702	return reply +\"\\n\"+input_reply;\
		3703	}\
		3704	}\
		3705	else\
		3706	{\
		3707	if( typeof userdraw_text != 'undefined' ){\
		3708	return reply +\"\\n\"+userdraw_text\
		3709	}\
		3710	else\
		3711	{\
		3712	return reply;\
		3713	}\
		3714	};\
		3715	};\
		3716	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3717	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3718	break;
		3719	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3720	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3721	function read_canvas(){\
		3722	var reply = new Array();\
		3723	var p = 0;var i = 0;\
		3724	while(userdraw_x[p]){\
		3725	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3726	p = p+2;i++;\
		3727	};\
		3728	if(p == 0){alert(\"nothing drawn...\");return;};\
		3729	if( document.getElementById(\"canvas_input0\") ){\
		3730	var p = 0;var input_reply = new Array();\
		3731	if( document.getElementById(\"canvas_input0\")){\
		3732	var t = 0;\
		3733	while(document.getElementById(\"canvas_input\"+t)){\
		3734	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3735	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3736	p++;\
		3737	};\
		3738	t++;\
		3739	};\
		3740	};\
		3741	if( typeof userdraw_text != 'undefined' ){\
		3742	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3743	}\
		3744	else\
		3745	{\
		3746	return reply +\"\\n\"+input_reply;\
		3747	}\
		3748	}\
		3749	else\
		3750	{\
		3751	if( typeof userdraw_text != 'undefined' ){\
		3752	return reply +\"\\n\"+userdraw_text\
		3753	}\
		3754	else\
		3755	{\
		3756	return reply;\
		3757	}\
		3758	};\
		3759	};\
		3760	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3761	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3762	break;
		3763	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3764	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3765	function read_canvas(){\
		3766	var reply = new Array();\
		3767	var p = 0;var i = 0;\
		3768	while(userdraw_x[p]){\
		3769	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3770	p = p+2;i++;\
		3771	};\
		3772	if(p == 0){alert(\"nothing drawn...\");return;};\
		3773	if( document.getElementById(\"canvas_input0\") ){\
		3774	var p = 0;var input_reply = new Array();\
		3775	if( document.getElementById(\"canvas_input0\")){\
		3776	var t = 0;\
		3777	while(document.getElementById(\"canvas_input\"+t)){\
		3778	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3779	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3780	p++;\
		3781	};\
		3782	t++;\
		3783	};\
		3784	};\
		3785	if( typeof userdraw_text != 'undefined' ){\
		3786	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3787	}\
		3788	else\
		3789	{\
		3790	return reply +\"\\n\"+input_reply;\
		3791	}\
		3792	}\
		3793	else\
		3794	{\
		3795	if( typeof userdraw_text != 'undefined' ){\
		3796	return reply +\"\\n\"+userdraw_text;\
		3797	}\
		3798	else\
		3799	{\
		3800	return reply;\
		3801	}\
		3802	};\
		3803	};\
		3804	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3805	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3806	break;
		3807	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3808	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3809	function read_canvas(){\
		3810	var input_reply = new Array();\
		3811	var p = 0;\
		3812	if( document.getElementById(\"canvas_input0\")){\
		3813	var t = 0;\
		3814	while(document.getElementById(\"canvas_input\"+t)){\
		3815	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3816	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3817	p++;\
		3818	};\
		3819	t++;\
		3820	};\
		3821	};\
		3822	if( typeof userdraw_text != 'undefined' ){\
		3823	return input_reply +\"\\n\"+userdraw_text;\
		3824	}\
		3825	else\
		3826	{\
		3827	return input_reply;\
		3828	};\
		3829	};\
		3830	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3831	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3832	break;
		3833	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3834	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3835	function read_mathml(){\
		3836	var reply = new Array();\
		3837	var p = 0;\
		3838	if( document.getElementById(\"mathml0\")){\
		3839	while(document.getElementById(\"mathml\"+p)){\
		3840	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3841	p++;\
		3842	};\
		3843	};\
		3844	return reply;\
		3845	};\
		3846	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3847	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3848	break;
		3849	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3850	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3851	function read_canvas(){\
		3852	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3853	return userdraw_text;\
		3854	};\
		3855	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3856	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3857	break;
		3858	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3859	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3860	function read_canvas(){\
		3861	var p = 0;\
		3862	var reply = new Array();\
		3863	var name;\
		3864	var t = true;\
		3865	while(t){\
		3866	try{ name = eval('clocks'+p);\
		3867	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;};\
		3868	};\
		3869	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3870	return reply;\
		3871	};\
		3872	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3873	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3874	break;
		3875	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3876	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3877	function read_canvas(){\
		3878	return reply[0];\
		3879	};\
		3880	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3881	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3882	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3883	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3884	function read_canvas(){\
		3885	var len = ext_drag_images.length;\
		3886	var reply = new Array(len);\
		3887	for(var p = 0 ; p < len ; p++){\
		3888	var img = ext_drag_images[p];\
		3889	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3890	};\
		3891	return reply;\
		3892	};\
		3893	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3894	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3895	break;
		3896	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3897	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3898	function read_canvas(){\
		3899	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3900	var reply_coord = new Array();var p = 0;\
		3901	while(userdraw_x[p]){\
		3902	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3903	p++;\
		3904	};\
		3905	if(p == 0){alert(\"nothing drawn...\");return;};\
		3906	if( document.getElementById(\"canvas_input0\") ){\
		3907	var p = 0;var input_reply = new Array();\
		3908	if( document.getElementById(\"canvas_input0\")){\
		3909	var t = 0;\
		3910	while(document.getElementById(\"canvas_input\"+t)){\
		3911	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3912	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3913	p++;\
		3914	};\
		3915	t++;\
		3916	};\
		3917	};\
		3918	if( typeof userdraw_text != 'undefined' ){\
		3919	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3920	}\
		3921	else\
		3922	{\
		3923	return reply_coord+\"\\n\"+input_reply;\
		3924	}\
		3925	}\
		3926	else\
		3927	{\
		3928	if( typeof userdraw_text != 'undefined' ){\
		3929	return reply_coord+\"\\n\"+userdraw_text;\
		3930	}\
		3931	else\
		3932	{\
		3933	return reply_coord;\
		3934	};\
		3935	};\
		3936	};\
		3937	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3938	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3939	break;
		3940	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3941	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3942	function read_canvas(){\
		3943	var reply = new Array();\
		3944	var p = 0;\
		3945	var idx = 0;\
		3946	while(userdraw_x[p]){\
		3947	reply[idx] = px2x(userdraw_x[p]);\
		3948	idx++;\
		3949	reply[idx] = px2y(userdraw_y[p]);\
		3950	idx++;p++;\
		3951	};\
		3952	if(p == 0){alert(\"nothing drawn...\");return;};\
		3953	if( document.getElementById(\"canvas_input0\") ){\
		3954	var p = 0;var input_reply = new Array();\
		3955	if( document.getElementById(\"canvas_input0\")){\
		3956	var t = 0;\
		3957	while(document.getElementById(\"canvas_input\"+t)){\
		3958	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3959	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3960	p++;\
		3961	};\
		3962	t++;\
		3963	};\
		3964	};\
		3965	if( typeof userdraw_text != 'undefined' ){\
		3966	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3967	}\
		3968	else\
		3969	{\
		3970	return reply +\"\\n\"+input_reply;\
		3971	}\
		3972	}\
		3973	else\
		3974	{\
		3975	if( typeof userdraw_text != 'undefined' ){\
		3976	return reply +\"\\n\"+userdraw_text;\
		3977	}\
		3978	else\
		3979	{\
		3980	return reply;\
		3981	}\
		3982	};\
		3983	};\
		3984	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3985	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3986	break;
7782	schaersvoo	3987	case 23: fprintf(js_include_file,"\
		3988	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3989	function read_canvas(){\
		3990	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3991	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3992	var lu = userdraw_x.length;\
		3993	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3994	var marge = 5;\
		3995	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3996	for(var i = 0; i < lu - 1 ; i++ ){\
		3997	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3998	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3999	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		4000	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4001	p++;\
		4002	};\
		4003	};\
		4004	};\
		4005	if( document.getElementById(\"canvas_input0\")){\
		4006	var p = 0;var input_reply = new Array();\
		4007	if( document.getElementById(\"canvas_input0\")){\
		4008	var t = 0;\
		4009	while(document.getElementById(\"canvas_input\"+t)){\
		4010	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4011	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4012	p++;\
		4013	};\
		4014	t++;\
		4015	};\
		4016	};\
		4017	if( typeof userdraw_text != 'undefined' ){\
		4018	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4019	}\
		4020	else\
		4021	{\
		4022	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4023	}\
		4024	}\
		4025	else\
		4026	{\
		4027	if( typeof userdraw_text != 'undefined' ){\
		4028	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4029	}\
		4030	else\
		4031	{\
		4032	return reply_x+\"\\n\"+reply_y;\
		4033	};\
		4034	};\
		4035	};\
		4036	this.read_canvas = read_canvas;\n\
		4037	<!-- end function 23 read_canvas() -->");
		4038	break;
7614	schaersvoo	4039
		4040	default: canvas_error("hmmm unknown replyformat...");break;
		4041	}
		4042	return;
		4043	}
		4044
		4045
7842	bpr	4046	/*
		4047	add drawfunction :
7614	schaersvoo	4048	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4049	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4050	- grid / mathml
		4051	- will not scale or zoom in
		4052	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
7842	bpr	4053	- is printed directly into 'js_include_file'
7614	schaersvoo	4054	*/
		4055
		4056	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4057	int i;
		4058	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4059	if( js_functions[i] == 1){
		4060	switch(i){
		4061	case DRAG_EXTERNAL_IMAGE:
		4062	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4063	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4064	var external_ctx = external_canvas.getContext(\"2d\");\
		4065	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4066	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4067	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4068	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4069	var selected_image = null;\
		4070	var ext_image_cnt = 0;\
		4071	var ext_drag_images = new Array();\
		4072	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4073	ext_image_cnt = idx;\
		4074	var image = new Image();\
		4075	image.src = URL;\
		4076	image.onload = function(){\
		4077	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4078	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4079	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4080	img = new Array(10);\
		4081	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4082	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4083	ext_drag_images[idx] = img;\
		4084	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4085	};\
		4086	};\
		4087	function dragstop(evt){\
		4088	selected_image = null;return;\
		4089	};\
		4090	function dragxy(evt){\
		4091	if( selected_image != null ){\
		4092	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4093	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4094	var s_img = ext_drag_images[selected_image];\
		4095	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4096	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4097	ext_drag_images[selected_image] = s_img;\
		4098	external_ctx.clearRect(0,0,xsize,ysize);\
		4099	for(var i = 0; i <= ext_image_cnt ; i++){\
		4100	var img = ext_drag_images[i];\
		4101	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4102	};\
		4103	};\
		4104	};\
		4105	function setxy(evt){\
		4106	if( ! selected_image && evt.which == 1 ){\
		4107	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4108	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4109	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4110	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4111	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4112	var img = ext_drag_images[p];\
		4113	if( img[0] == 1 ){\
		4114	var w = img.width;\
		4115	var h = img.height;\
		4116	if( xm > img[6] && xm < img[6] + img[4]){\
		4117	if( ym > img[7] && ym < img[7] + img[5]){\
		4118	img[6] = xm;\
		4119	img[7] = ym;\
		4120	ext_drag_images[p] = img;\
		4121	selected_image = p;\
		4122	dragxy(evt);\
		4123	};\
		4124	};\
		4125	};\
		4126	};\
		4127	}\
		4128	else\
		4129	{\
		4130	selected_image = null;\
		4131	};\
7614	schaersvoo	4132	};",canvas_root_id);
		4133	break;
		4134
		4135	case DRAW_EXTERNAL_IMAGE:
		4136	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4137	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4138	var image = new Image();\
		4139	image.src = URL;\
		4140	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4141	image.onload = function(){\
		4142	if( x0 < 1 ){ x0 = 0; };\
		4143	if( y0 < 1 ){ y0 = 0; };\
		4144	if( sx < 1 ){ sx = 0; };\
		4145	if( sy < 1 ){ sy = 0; };\
		4146	if( width < 1 ){ width = image.width;};\
		4147	if( height < 1 ){ height = image.height;};\
		4148	if( swidth < 1 ){ swidth = image.width;};\
		4149	if( sheight < 1 ){ sheight = image.height;};\
		4150	var ml = x0 - sx;\
		4151	var mh = y0 - sy;\
		4152	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4153	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4154	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4155	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4156	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4157	};\
7842	bpr	4158	};",canvas_root_id);
7614	schaersvoo	4159	break;
7842	bpr	4160
7614	schaersvoo	4161	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4162	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4163	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4164	var obj;\
		4165	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4166	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4167	}\
		4168	else\
		4169	{\
		4170	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4171	};\
		4172	var ctx = obj.getContext(\"2d\");\
		4173	ctx.font =\"18px Ariel\";\
		4174	ctx.textAlign = \"right\";\
		4175	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4176	ctx.fillText(\"+\",xsize,ysize);\
		4177	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4178	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4179	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4180	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4181	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4182	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4183	ctx.stroke();\
7653	schaersvoo	4184	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	4185
7614	schaersvoo	4186	break;
		4187	case DRAW_GRIDFILL:/* not used for userdraw */
		4188	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4189	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4190	var obj;\
		4191	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4192	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4193	}\
		4194	else\
		4195	{\
		4196	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4197	};\
		4198	var ctx = obj.getContext(\"2d\");\
		4199	var x,y;\
		4200	ctx.save();\
		4201	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4202	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4203	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4204	ctx.moveTo(x,y0);\
		4205	ctx.lineTo(x,ysize);\
		4206	};\
7645	schaersvoo	4207	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4208	ctx.moveTo(x0,y);\
		4209	ctx.lineTo(xsize,y);\
		4210	};\
		4211	ctx.stroke();\
		4212	ctx.restore();\
7653	schaersvoo	4213	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4214	break;
7842	bpr	4215
7614	schaersvoo	4216	case DRAW_IMAGEFILL:/* not used for userdraw */
		4217	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4218	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4219	var obj;\
		4220	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4221	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4222	}\
		4223	else\
		4224	{\
		4225	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4226	};\
		4227	var ctx = obj.getContext(\"2d\");\
		4228	ctx.save();\
		4229	var img = new Image();\
		4230	img.src = URL;\
		4231	img.onload = function(){\
		4232	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4233	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4234	}\
		4235	else\
		4236	{\
		4237	var repeat = \"repeat\";\
		4238	if(img.width > xsize - x0){\
		4239	repeat = \"repeat-y\";\
		4240	}\
		4241	else\
		4242	{\
		4243	if( img.height > ysize -x0 ){\
		4244	repeat = \"repeat-x\";\
		4245	}\
		4246	}\
		4247	var pattern = ctx.createPattern(img,repeat);\
		4248	ctx.rect(x0,y0,xsize,ysize);\
		4249	ctx.fillStyle = pattern;\
		4250	}\
		4251	ctx.fill();\
		4252	};\
		4253	ctx.restore();\
		4254	return;\
7653	schaersvoo	4255	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4256	break;
7842	bpr	4257
7614	schaersvoo	4258	case DRAW_DOTFILL:/* not used for userdraw */
		4259	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4260	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4261	var obj;\
		4262	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4263	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4264	}\
		4265	else\
		4266	{\
		4267	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4268	};\
		4269	var ctx = obj.getContext(\"2d\");\
		4270	var x,y;\
		4271	ctx.closePath();\
		4272	ctx.save();\
7645	schaersvoo	4273	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4274	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4275	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4276	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4277	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4278	ctx.closePath();\
		4279	}\
		4280	}\
		4281	ctx.fill();\
		4282	ctx.restore();\
7653	schaersvoo	4283	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4284	break;
7645	schaersvoo	4285
7647	schaersvoo	4286	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4287	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4288	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4289	var obj;\
		4290	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4291	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4292	}\
		4293	else\
		4294	{\
		4295	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4296	};\
		4297	var ctx = obj.getContext(\"2d\");\
		4298	var x;\
		4299	var y;\
		4300	ctx.save();\
		4301	ctx.lineWidth = linewidth;\
		4302	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4303	y = ysize;\
		4304	for( x = x0 ; x < xsize ; x = x + dx ){\
		4305	ctx.moveTo(x,y0);\
		4306	ctx.lineTo(xsize,y);\
		4307	y = y - dy;\
		4308	};\
		4309	y = y0;\
		4310	for( x = xsize ; x > 0 ; x = x - dx){\
		4311	ctx.moveTo(x,ysize);\
		4312	ctx.lineTo(x0,y);\
		4313	y = y + dy;\
		4314	};\
		4315	x = x0;\
		4316	for( y = y0 ; y < ysize ; y = y + dy ){\
		4317	ctx.moveTo(xsize,y);\
		4318	ctx.lineTo(x,ysize);\
		4319	x = x + dx;\
		4320	};\
		4321	x = xsize;\
		4322	for( y = ysize ; y > y0 ; y = y - dy ){\
		4323	ctx.moveTo(x,y0);\
		4324	ctx.lineTo(x0,y);\
		4325	x = x - dx;\
		4326	};\
		4327	ctx.stroke();\
		4328	ctx.restore();\
		4329	return;\
7653	schaersvoo	4330	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4331	break;
7842	bpr	4332
7647	schaersvoo	4333	case DRAW_HATCHFILL:/* not used for userdraw */
		4334	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4335	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4336	var obj;\
		4337	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4338	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4339	}\
		4340	else\
		4341	{\
		4342	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4343	};\
		4344	var ctx = obj.getContext(\"2d\");\
		4345	var x;\
		4346	var y;\
		4347	ctx.save();\
		4348	ctx.lineWidth = linewidth;\
		4349	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4350	y = ysize;\
		4351	for( x = x0 ; x < xsize ; x = x + dx ){\
		4352	ctx.moveTo(x,y0);\
		4353	ctx.lineTo(xsize,y);\
		4354	y = y - dy;\
		4355	};\
		4356	y = y0;\
		4357	for( x = xsize ; x >= dx ; x = x - dx){\
		4358	ctx.moveTo(x,ysize);\
		4359	ctx.lineTo(x0,y);\
		4360	y = y + dy;\
		4361	};\
		4362	ctx.stroke();\
		4363	ctx.restore();\
		4364	return;\
7653	schaersvoo	4365	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4366	break;
7614	schaersvoo	4367	case DRAW_CIRCLES:/* used for userdraw */
		4368	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4369	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){\
		4370	ctx.save();\
		4371	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4372	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4373	ctx.lineWidth = line_width;\
		4374	for(var p = 0 ; p < x_points.length ; p++ ){\
		4375	ctx.beginPath();\
		4376	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4377	ctx.closePath();\
		4378	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4379	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4380	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4381	ctx.stroke();\
		4382	}\
		4383	ctx.restore();\
		4384	return;\
7653	schaersvoo	4385	};");
7614	schaersvoo	4386	break;
7663	schaersvoo	4387	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4388	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4389	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4390	ctx.save();\
		4391	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4392	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4393	ctx.lineWidth = line_width;\
		4394	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4395	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4396	ctx.clearRect(0,0,xsize,ysize);\
		4397	ctx.beginPath();\
		4398	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4399	ctx.moveTo(x_points[p],y_points[p]);\
		4400	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4401	}\
		4402	ctx.closePath();\
		4403	ctx.stroke();\
		4404	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4405	for(var p = 0 ; p < x_points.length ; p++ ){\
		4406	ctx.beginPath();\
		4407	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4408	ctx.closePath();ctx.fill();ctx.stroke();\
		4409	};\
		4410	ctx.restore();\
		4411	return;\
		4412	};");
		4413	break;
7842	bpr	4414
7614	schaersvoo	4415	case DRAW_SEGMENTS:/* used for userdraw */
		4416	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4417	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4418	ctx.save();\
		4419	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4420	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4421	ctx.lineWidth = line_width;\
		4422	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4423	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4424	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4425	ctx.beginPath();\
		4426	ctx.moveTo(x_points[p],y_points[p]);\
		4427	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4428	ctx.closePath();\
		4429	ctx.stroke();\
		4430	}\
		4431	ctx.restore();\
		4432	return;\
		4433	};");
		4434	break;
7842	bpr	4435
7614	schaersvoo	4436	case DRAW_LINES:/* used for userdraw */
		4437	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4438	function calc_line(x1,x2,y1,y2){\
		4439	var marge = 2;\
		4440	if(x1 < x2+marge && x1>x2-marge){\
		4441	return [x1,0,x1,ysize];\
		4442	};\
		4443	if(y1 < y2+marge && y1>y2-marge){\
		4444	return [0,y1,xsize,y1];\
		4445	};\
		4446	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4447	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4448	return [0,Y1,xsize,Y2];\
		4449	};\
		4450	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4451	ctx.save();\
		4452	var line = new Array(4);\
		4453	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4454	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4455	ctx.lineWidth = line_width;\
		4456	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4457	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4458	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4459	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4460	ctx.beginPath();\
		4461	ctx.moveTo(line[0],line[1]);\
		4462	ctx.lineTo(line[2],line[3]);\
		4463	ctx.closePath();\
		4464	ctx.stroke();\
		4465	}\
		4466	ctx.restore();\
		4467	return;\
		4468	};");
		4469	break;
		4470
		4471	case DRAW_CROSSHAIRS:/* used for userdraw */
		4472	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4473	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4474	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4475	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4476	ctx.lineWidth = line_width;\
		4477	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4478	var x1,x2,y1,y2;\
		4479	for(var p = 0 ; p < x_points.length ; p++ ){\
		4480	x1 = x_points[p] - crosshair_size;\
		4481	x2 = x_points[p] + crosshair_size;\
		4482	y1 = y_points[p] - crosshair_size;\
		4483	y2 = y_points[p] + crosshair_size;\
		4484	ctx.beginPath();\
		4485	ctx.moveTo(x1,y1);\
		4486	ctx.lineTo(x2,y2);\
		4487	ctx.closePath();\
		4488	ctx.stroke();\
		4489	ctx.beginPath();\
		4490	ctx.moveTo(x2,y1);\
		4491	ctx.lineTo(x1,y2);\
		4492	ctx.closePath();\
		4493	ctx.stroke();\
		4494	}\
		4495	ctx.restore();\
		4496	return;\
7653	schaersvoo	4497	};");
7614	schaersvoo	4498	break;
		4499
		4500	case DRAW_RECTS:/* used for userdraw */
		4501	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4502	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){\
		4503	ctx.save();\
		4504	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4505	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4506	ctx.lineWidth = line_width;\
		4507	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4508	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4509	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4510	ctx.beginPath();\
		4511	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4512	ctx.closePath();\
		4513	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4514	ctx.stroke();\
		4515	};\
		4516	ctx.restore();\
		4517	return;\
7653	schaersvoo	4518	};");
7614	schaersvoo	4519	break;
		4520
		4521	case DRAW_ROUNDRECTS:/* used for userdraw */
		4522	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4523	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){\
		4524	ctx.save();\
		4525	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4526	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4527	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4528	var x,y,w,h,r;\
		4529	for(var p = 0; p < x_points.length; p = p+2){\
		4530	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);\
		4531	ctx.beginPath();ctx.moveTo(x + r, y);\
		4532	ctx.lineTo(x + w - r, y);\
		4533	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4534	ctx.lineTo(x + w, y + h - r);\
		4535	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4536	ctx.lineTo(x + r, y + h);\
		4537	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4538	ctx.lineTo(x, y + r);\
		4539	ctx.quadraticCurveTo(x, y, x + r, y);\
		4540	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4541	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4542	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4543	ctx.stroke();\
		4544	}\
		4545	ctx.restore();\
7653	schaersvoo	4546	};");
7842	bpr	4547	break;
7614	schaersvoo	4548
		4549	case DRAW_ELLIPSES:/* not used for userdraw */
		4550	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4551	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){\
		4552	var obj;\
		4553	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4554	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4555	}\
		4556	else\
		4557	{\
		4558	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4559	};\
		4560	var ctx = obj.getContext(\"2d\");\
		4561	ctx.save();\
		4562	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4563	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4564	var cx,cy,ry,rx;\
		4565	ctx.lineWidth = line_width;\
		4566	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4567	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4568	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4569	for(var p=0;p< x_points.length;p = p+2){\
		4570	ctx.beginPath();\
		4571	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4572	ctx.translate(cx - rx, cy - ry);\
		4573	ctx.scale(rx, ry);\
		4574	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4575	if( use_filled == 1 ){ctx.fill();}\
		4576	ctx.stroke();\
		4577	};\
		4578	ctx.restore();\
7653	schaersvoo	4579	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4580	break;
		4581
		4582	case DRAW_PATHS: /* used for userdraw */
		4583	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4584	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){\
		4585	ctx.save();\
		4586	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4587	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4588	ctx.lineWidth = line_width;\
		4589	ctx.lineJoin = \"round\";\
		4590	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4591	ctx.beginPath();\
		4592	ctx.moveTo(x_points[0],y_points[0]);\
		4593	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4594	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4595	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4596	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4597	ctx.stroke();\
		4598	ctx.restore();\
		4599	return;\
		4600	};");
7842	bpr	4601
7614	schaersvoo	4602	break;
		4603	case DRAW_ARROWS:/* used for userdraw */
		4604	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4605	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){\
		4606	ctx.save();\
		4607	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4608	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4609	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4610	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4611	ctx.lineWidth = line_width;\
		4612	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4613	ctx.lineCap = \"round\";\
		4614	ctx.save();\
		4615	var x1,y1,x2,y2,dx,dy,len;\
		4616	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4617	ctx.restore();ctx.save();\
		4618	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4619	len = Math.sqrt(dxdx+dydy);\
		4620	ctx.translate(x2,y2);\
		4621	ctx.rotate(Math.atan2(dy,dx));\
		4622	ctx.lineCap = \"round\";\
		4623	ctx.beginPath();\
		4624	ctx.moveTo(0,0);\
		4625	ctx.lineTo(-len,0);\
		4626	ctx.closePath();\
		4627	ctx.stroke();\
		4628	ctx.beginPath();\
		4629	ctx.moveTo(0,0);\
		4630	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4631	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4632	ctx.closePath();\
		4633	ctx.fill();\
		4634	if( type == 2 ){\
		4635	ctx.restore();\
		4636	ctx.save();\
		4637	ctx.translate(x1,y1);\
		4638	ctx.rotate(Math.atan2(-dy,-dx));\
		4639	ctx.beginPath();\
		4640	ctx.moveTo(0,0);\
		4641	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4642	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4643	ctx.closePath();\
		4644	ctx.stroke();\
		4645	ctx.fill();\
		4646	}\
		4647	}\
		4648	ctx.restore();\
		4649	return;\
7653	schaersvoo	4650	};");
7614	schaersvoo	4651	break;
		4652
		4653	case DRAW_VIDEO:/* not used for userdraw */
		4654	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4655	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4656	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4657	var video_div = document.createElement(\"div\");\
		4658	canvas_div.appendChild(video_div);\
		4659	video_div.style.position = \"absolute\";\
		4660	video_div.style.left = x+\"px\";\
		4661	video_div.style.top = y+\"px\";\
		4662	video_div.style.width = w+\"px\";\
		4663	video_div.style.height = h+\"px\";\
		4664	var video = document.createElement(\"video\");\
		4665	video_div.appendChild(video);\
		4666	video.style.width = w+\"px\";\
		4667	video.style.height = h+\"px\";\
		4668	video.autobuffer = true;\
		4669	video.controls = true;video.autoplay = false;\
		4670	var src = document.createElement(\"source\");\
		4671	src.type = \"video/mp4\";\
		4672	src.src = URL;\
		4673	video.appendChild(src);\
		4674	video.load();\
		4675	return;\
7842	bpr	4676	};");
7614	schaersvoo	4677	break;
7842	bpr	4678
7614	schaersvoo	4679	case DRAW_AUDIO:/* not used for userdraw */
		4680	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4681	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4682	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4683	var audio_div = document.createElement(\"div\");\
		4684	canvas_div.appendChild(audio_div);\
		4685	audio_div.style.position = \"absolute\";\
		4686	audio_div.style.left = x+\"px\";\
		4687	audio_div.style.top = y+\"px\";\
		4688	audio_div.style.width = w+\"px\";\
		4689	audio_div.style.height = h+\"px\";\
		4690	var audio = document.createElement(\"audio\");\
		4691	audio_div.appendChild(audio);\
		4692	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4693	audio.autobuffer = true;\
		4694	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4695	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4696	var src1 = document.createElement(\"source\");\
		4697	src1.type = \"audio/ogg\";\
		4698	src1.src = URL1;\
		4699	audio.appendChild(src1);\
		4700	var src2 = document.createElement(\"source\");\
		4701	src2.type = \"audio/mpeg\";\
		4702	src2.src = URL2;\
		4703	audio.appendChild(src2);\
		4704	audio.load();\
		4705	return;\
7653	schaersvoo	4706	};");
7614	schaersvoo	4707	break;
7842	bpr	4708
7614	schaersvoo	4709	case DRAW_HTTP:/* not used for userdraw */
		4710	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4711	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4712	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4713	var http_div = document.createElement(\"div\");\
		4714	var iframe = document.createElement(\"iframe\");\
		4715	canvas_div.appendChild(http_div);\
		4716	http_div.appendChild(iframe);\
		4717	iframe.src = URL;\
		4718	iframe.setAttribute(\"width\",w);\
		4719	iframe.setAttribute(\"height\",h);\
		4720	return;\
7653	schaersvoo	4721	};");
7614	schaersvoo	4722	break;
7842	bpr	4723
7614	schaersvoo	4724	case DRAW_XML:
		4725	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4726	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4727	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4728	var xml_div = document.createElement(\"div\");\
		4729	canvas_div.appendChild(xml_div);\
		4730	xml_div.innerHTML = mathml;\
		4731	if(onclick != 0){\
		4732	xml_div.onclick = function(){\
		4733	reply[0] = onclick;\
		4734	alert(\"send \"+onclick+\" ?\");\
		4735	};\
		4736	};\
		4737	xml_div.style.position = \"absolute\";\
		4738	xml_div.style.left = x+\"px\";\
		4739	xml_div.style.top = y+\"px\";\
		4740	xml_div.style.width = w+\"px\";\
		4741	xml_div.style.height = h+\"px\";\
		4742	return;\
7653	schaersvoo	4743	};"
7614	schaersvoo	4744	);
		4745	break;
7654	schaersvoo	4746	case DRAW_SGRAPH:
7842	bpr	4747	/*
7654	schaersvoo	4748	xstart = given
		4749	ystart = given
		4750	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4751	*/
		4752	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4753	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4754	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);};\
		4755	var ctx = obj.getContext(\"2d\");\
		4756	ctx.font = fontfamily;\
		4757	var minor_opacity = 0.8*opacity;\
		4758	ctx.clearRect(0,0,xsize,ysize);\
		4759	var d_x = 1.8*font_size;\
		4760	var d_y = ctx.measureText(\"+ymax+\").width;\
		4761	var dx = xsize / (xmax - xmin);\
		4762	var dy = ysize / (ymax - ymin);\
		4763	var zero_x = d_y + dx;\
		4764	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4765	var snor_x;\
7654	schaersvoo	4766	if( xstart != xmin){\
7658	schaersvoo	4767	snor_x = 0.1*xsize;\
		4768	}\
		4769	else\
		4770	{\
		4771	snor_x = 0;\
		4772	xstart = xmin;\
		4773	};\
		4774	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4775	ctx.lineWidth = 2;\
		4776	ctx.beginPath();\
		4777	ctx.moveTo(xsize,zero_y);\
		4778	ctx.lineTo(zero_x,zero_y);\
		4779	ctx.lineTo(zero_x,0);\
		4780	ctx.stroke();\
		4781	ctx.closePath();\
		4782	ctx.beginPath();\
		4783	ctx.moveTo(zero_x,zero_y);\
		4784	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4785	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4786	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4787	ctx.lineTo(zero_x + snor_x,zero_y);\
		4788	ctx.stroke();\
		4789	ctx.closePath();\
		4790	ctx.beginPath();\
		4791	var num = xstart;\
7660	schaersvoo	4792	var flipflop = 1;\
7658	schaersvoo	4793	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4794	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4795	if( 0.5*ctx.measureText(num).width > step_x ){\
		4796	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4797	};\
		4798	if( flipflop == 1){\
7658	schaersvoo	4799	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4800	}\
		4801	else\
		4802	{\
		4803	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4804	}\
		4805	num = num + xmajor;\
		4806	};\
		4807	ctx.stroke();\
		4808	ctx.closePath();\
		4809	ctx.lineWidth = 1;\
		4810	ctx.beginPath();\
		4811	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4812	ctx.moveTo(x,zero_y);\
		4813	ctx.lineTo(x,0);\
		4814	};\
		4815	ctx.stroke();\
		4816	ctx.closePath();\
		4817	if( xminor > 1){\
		4818	ctx.lineWidth = 0.5;\
		4819	ctx.beginPath();\
		4820	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4821	var minor_step_x = step_x / xminor;\
		4822	var nx;\
		4823	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4824	num = 1;\
		4825	for(var p = 1 ; p < xminor ; p++){\
		4826	nx = x + num*minor_step_x;\
		4827	ctx.moveTo(nx,zero_y);\
		4828	ctx.lineTo(nx,0);\
		4829	num++;\
		4830	};\
		4831	};\
		4832	ctx.stroke();\
		4833	ctx.closePath();\
		4834	ctx.beginPath();\
		4835	ctx.lineWidth = 2;\
		4836	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4837	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4838	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4839	};\
		4840	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4841	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4842	};\
		4843	ctx.stroke();\
		4844	ctx.closePath();\
		4845	ctx.lineWidth = 0.5;\
		4846	};\
		4847	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4848	if( ystart != ymin){\
		4849	snor_y = 0.1*ysize;\
		4850	}\
		4851	else\
		4852	{\
		4853	snor_y = 0;\
		4854	ystart = ymin;\
		4855	};\
		4856	ctx.lineWidth = 2;\
		4857	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4858	ctx.beginPath();\
		4859	ctx.moveTo(zero_x,zero_y);\
		4860	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4861	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4862	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4863	ctx.lineTo(zero_x,zero_y - snor_y);\
		4864	ctx.stroke();\
		4865	ctx.closePath();\
		4866	ctx.beginPath();\
		4867	ctx.lineWidth = 1;\
		4868	num = ystart;\
		4869	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4870	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4871	ctx.moveTo(zero_x,y);\
		4872	ctx.lineTo(xsize,y);\
		4873	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4874	num = num + ymajor;\
		4875	};\
		4876	ctx.stroke();\
		4877	ctx.closePath();\
		4878	if( yminor > 1){\
		4879	ctx.lineWidth = 0.5;\
		4880	ctx.beginPath();\
		4881	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4882	var minor_step_y = step_y / yminor;\
		4883	var ny;\
		4884	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4885	num = 1;\
		4886	for(var p = 1 ;p < yminor;p++){\
		4887	ny = y + num*minor_step_y;\
		4888	ctx.moveTo(zero_x,ny);\
		4889	ctx.lineTo(xsize,ny);\
		4890	num++;\
		4891	};\
		4892	};\
		4893	ctx.stroke();\
		4894	ctx.closePath();\
		4895	ctx.lineWidth = 2;\
		4896	ctx.beginPath();\
		4897	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4898	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4899	ctx.moveTo(zero_x,y);\
		4900	ctx.lineTo(zero_x+12,y);\
		4901	};\
		4902	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4903	ctx.moveTo(zero_x,y);\
		4904	ctx.lineTo(zero_x+6,y);\
		4905	};\
		4906	ctx.stroke();\
		4907	ctx.closePath();\
		4908	};\
		4909	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4910	if( typeof legend%d !== 'undefined' ){\
		4911	ctx.globalAlpha = 1.0;\
		4912	var y_offset = 2*font_size;\
		4913	var txt;var txt_size;\
		4914	var x_offset = xsize - 2*font_size;\
		4915	var l_length = legend%d.length;var barcolor = new Array();\
		4916	if( typeof legendcolors%d !== 'undefined' ){\
		4917	for(var p = 0 ; p < l_length ; p++){\
		4918	barcolor[p] = legendcolors%d[p];\
		4919	};\
		4920	}else{\
		4921	if( barcolor.length == 0 ){\
		4922	for(var p = 0 ; p < l_length ; p++){\
		4923	barcolor[p] = stroke_color;\
		4924	};\
		4925	};\
		4926	};\
		4927	for(var p = 0; p < l_length; p++){\
		4928	ctx.fillStyle = barcolor[p];\
		4929	txt = legend%d[p];\
		4930	txt_size = ctx.measureText(txt).width;\
		4931	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4932	y_offset = parseInt(y_offset + 1.5*font_size);\
		4933	};\
		4934	};\
7660	schaersvoo	4935	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4936	ctx.fillStyle = \'#000000\';\
		4937	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4938	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4939	};\
7660	schaersvoo	4940	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4941	ctx.save();\
		4942	ctx.fillStyle = \'#000000\';\
		4943	var txt_size = ctx.measureText(yaxislabel).width;\
		4944	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4945	ctx.rotate(-0.5*Math.PI);\
		4946	ctx.fillText(yaxislabel,0,0);\
		4947	ctx.save();\
		4948	};\
7654	schaersvoo	4949	};\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);
		4950	break;
7614	schaersvoo	4951
		4952	case DRAW_GRID:/* not used for userdraw */
		4953	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4954	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){\
		4955	var obj;\
		4956	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4957	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4958	}\
		4959	else\
		4960	{\
		4961	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4962	};\
		4963	var ctx = obj.getContext(\"2d\");\
		4964	ctx.clearRect(0,0,xsize,ysize);\
		4965	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4966	ctx.save();\
		4967	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4968	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4969	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4970	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4971	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4972	ctx.font = font_family;\
		4973	var xstep = xsize*xmajor/(xmax - xmin);\
		4974	var ystep = ysize*ymajor/(ymax - ymin);\
		4975	var x2step = xstep / xminor;\
		4976	var y2step = ystep / yminor;\
7654	schaersvoo	4977	var zero_x;var zero_y;var f_x;var f_y;\
		4978	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4979	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4980	ctx.beginPath();\
		4981	ctx.lineWidth = line_width;\
		4982	ctx.strokeStyle = stroke_color;\
		4983	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4984	ctx.moveTo(p,0);\
		4985	ctx.lineTo(p,ysize);\
		4986	};\
		4987	for(var p = zero_x ; p > 0; p = p - xstep){\
		4988	ctx.moveTo(p,0);\
		4989	ctx.lineTo(p,ysize);\
		4990	};\
		4991	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4992	ctx.moveTo(0,p);\
		4993	ctx.lineTo(xsize,p);\
		4994	};\
		4995	for(var p = zero_y ; p > 0; p = p - ystep){\
		4996	ctx.moveTo(0,p);\
		4997	ctx.lineTo(xsize,p);\
		4998	};\
		4999	if( typeof xaxislabel !== 'undefined' ){\
		5000	ctx.save();\
		5001	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5002	var corr = ctx.measureText(xaxislabel).width;\
		5003	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5004	ctx.restore();\
		5005	};\
		5006	if( typeof yaxislabel !== 'undefined' ){\
		5007	ctx.save();\
		5008	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5009	corr = ctx.measureText(yaxislabel).width;\
		5010	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5011	ctx.rotate(-0.5*Math.PI);\
		5012	ctx.fillText(yaxislabel,0,0);\
		5013	ctx.restore();\
		5014	};\
		5015	ctx.stroke();\
		5016	ctx.closePath();\
		5017	if( use_axis == 1 ){\
		5018	ctx.beginPath();\
		5019	ctx.strokeStyle = stroke_color;\
		5020	ctx.lineWidth = 0.6*line_width;\
		5021	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5022	ctx.moveTo(p,0);\
		5023	ctx.lineTo(p,ysize);\
		5024	};\
		5025	for(var p = zero_x ; p > 0; p = p - x2step){\
		5026	ctx.moveTo(p,0);\
		5027	ctx.lineTo(p,ysize);\
		5028	};\
		5029	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5030	ctx.moveTo(0,p);\
		5031	ctx.lineTo(xsize,p);\
		5032	};\
		5033	for(var p = zero_y ; p > 0; p = p - y2step){\
		5034	ctx.moveTo(0,p);\
		5035	ctx.lineTo(xsize,p);\
		5036	};\
		5037	ctx.stroke();\
		5038	ctx.closePath();\
		5039	ctx.beginPath();\
		5040	ctx.lineWidth = 2*line_width;\
		5041	ctx.strokeStyle = axis_color;\
		5042	ctx.moveTo(0,zero_y);\
		5043	ctx.lineTo(xsize,zero_y);\
		5044	ctx.moveTo(zero_x,0);\
		5045	ctx.lineTo(zero_x,ysize);\
		5046	ctx.stroke();\
		5047	ctx.closePath();\
		5048	ctx.lineWidth = line_width+0.5;\
		5049	ctx.beginPath();\
		5050	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5051	ctx.moveTo(p,zero_y-tics_length);\
		5052	ctx.lineTo(p,zero_y+tics_length);\
		5053	};\
		5054	for(var p = zero_x ; p > 0; p = p - xstep){\
		5055	ctx.moveTo(p,zero_y-tics_length);\
		5056	ctx.lineTo(p,zero_y+tics_length);\
		5057	};\
		5058	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5059	ctx.moveTo(zero_x-tics_length,p);\
		5060	ctx.lineTo(zero_x+tics_length,p);\
		5061	};\
		5062	for(var p = zero_y ; p > 0; p = p - ystep){\
		5063	ctx.moveTo(zero_x-tics_length,p);\
		5064	ctx.lineTo(zero_x+tics_length,p);\
		5065	};\
		5066	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5067	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5068	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5069	};\
		5070	for(var p = zero_x ; p > 0; p = p - x2step){\
		5071	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5072	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5073	};\
		5074	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5075	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5076	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5077	};\
		5078	for(var p = zero_y ; p > 0; p = p - y2step){\
		5079	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5080	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5081	};\
		5082	ctx.stroke();\
		5083	ctx.closePath();\
		5084	if( use_axis_numbering == 1 ){\
		5085	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5086	if( x_strings != null ){\
		5087	var f = 1.4;\
		5088	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5089	for(var p = 0 ; p < len ; p = p+2){\
		5090	var x_nums = x2px(eval(x_strings[p]));\
		5091	var x_text = x_strings[p+1];\
		5092	corr = ctx.measureText(x_text).width;\
		5093	skip = 1.2*corr/xstep;\
		5094	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5095	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5096	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5097	}\
		5098	}\
		5099	else\
		5100	{\
7654	schaersvoo	5101	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5102	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5103	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5104	if(skip == 0 ){\
		5105	disp_cnt = cnt.toFixed(prec);\
		5106	corr = ctx.measureText(disp_cnt).width;\
		5107	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5108	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5109	}\
		5110	else\
		5111	{\
		5112	skip--;\
		5113	};\
		5114	cnt = cnt + xmajor;\
		5115	};\
7654	schaersvoo	5116	cnt = px2x(zero_x);skip = 1;\
		5117	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5118	if(skip == 0 ){\
		5119	disp_cnt = cnt.toFixed(prec);\
		5120	corr = ctx.measureText(disp_cnt).width;\
		5121	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5122	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5123	}\
		5124	else\
		5125	{\
		5126	skip--;\
		5127	};\
		5128	cnt = cnt - xmajor;\
		5129	};\
		5130	};\
		5131	if( y_strings != null ){\
		5132	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5133	for(var p = 0 ; p < len ; p = p+2){\
		5134	var y_nums = y2px(eval(y_strings[p]));\
		5135	var y_text = y_strings[p+1];\
		5136	var f = 1.4;\
		5137	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5138	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5139	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5140	};\
		5141	}\
		5142	else\
		5143	{\
7654	schaersvoo	5144	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5145	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5146	if(skip == 0 ){\
		5147	skip = parseInt(1.4*font_size/ystep);\
		5148	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5149	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5150	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5151	}\
		5152	else\
		5153	{\
		5154	skip--;\
		5155	};\
		5156	cnt = cnt - ymajor;\
		5157	}\
7654	schaersvoo	5158	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5159	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5160	if(skip == 0 ){\
		5161	skip = parseInt(1.4*font_size/ystep);\
		5162	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5163	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5164	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5165	}\
		5166	else\
		5167	{\
		5168	skip--;\
		5169	};\
		5170	cnt = cnt + ymajor;\
		5171	}\
		5172	};\
		5173	};\
		5174	ctx.strokeStyle = stroke_color;\
		5175	ctx.lineWidth = 2;\
		5176	ctx.beginPath();\
		5177	ctx.rect(0,0,xsize,ysize);\
		5178	ctx.closePath();\
		5179	ctx.stroke();\
		5180	};\
		5181	if( typeof linegraph_0 !== 'undefined' ){\
		5182	ctx.restore();\
		5183	ctx.save();\
		5184	ctx.globalAlpha = 1.0;\
		5185	var i = 0;\
		5186	var line_name = eval('linegraph_'+i);\
		5187	while ( typeof line_name !== 'undefined' ){\
		5188	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5189	ctx.lineWidth = parseInt(line_name[1]);\
		5190	if(line_name[2] == \"1\"){\
		5191	var d1 = parseInt(line_name[3]);\
		5192	var d2 = parseInt(line_name[4]);\
		5193	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5194	}\
		5195	else\
		5196	{\
		5197	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5198	if(ctx.mozDash){ctx.mozDash = null;}\
		5199	};\
		5200	var data_x = new Array();\
		5201	var data_y = new Array();\
		5202	var lb = line_name.length;\
		5203	var idx = 0;\
		5204	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5205	data_x[idx] = x2px(line_name[p]);\
		5206	data_y[idx] = y2px(line_name[p+1]);\
		5207	idx++;\
		5208	};\
		5209	for( var p = 0; p < idx ; p++){\
		5210	ctx.beginPath();\
		5211	ctx.moveTo(data_x[p],data_y[p]);\
		5212	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5213	ctx.stroke();\
		5214	ctx.closePath();\
		5215	};\
		5216	i++;\
		5217	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5218	};\
		5219	};\
		5220	var barcolor = new Array();\
		5221	if( typeof barchart%d !== 'undefined' ){\
		5222	ctx.restore();\
		5223	ctx.save();\
		5224	ctx.globalAlpha = 1.0;\
		5225	var bar_x = new Array();\
		5226	var bar_y = new Array();\
		5227	var lb = barchart%d.length;\
		5228	var idx = 0;\
		5229	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5230	bar_x[idx] = x2px(barchart%d[p]);\
		5231	bar_y[idx] = y2px(barchart%d[p+1]);\
		5232	barcolor[idx] = barchart%d[p+2];\
		5233	idx++;\
		5234	};\
		5235	var dx = parseInt(0.6*xstep);\
		5236	ctx.globalAlpha = fill_opacity;\
		5237	for( var p = 0; p < idx ; p++ ){\
		5238	ctx.beginPath();\
		5239	ctx.strokeStyle = barcolor[p];\
		5240	ctx.fillStyle = barcolor[p];\
		5241	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5242	ctx.fill();\
		5243	ctx.stroke();\
		5244	ctx.closePath();\
		5245	};\
		5246	};\
		5247	if( typeof legend%d !== 'undefined' ){\
		5248	ctx.globalAlpha = 1.0;\
		5249	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5250	var y_offset = 2*font_size;\
		5251	var txt;var txt_size;\
		5252	var x_offset = xsize - 2*font_size;\
		5253	var l_length = legend%d.length;\
		5254	if( typeof legendcolors%d !== 'undefined' ){\
		5255	for(var p = 0 ; p < l_length ; p++){\
		5256	barcolor[p] = legendcolors%d[p];\
		5257	};\
		5258	}else{\
		5259	if( barcolor.length == 0 ){\
		5260	for(var p = 0 ; p < l_length ; p++){\
		5261	barcolor[p] = stroke_color;\
		5262	};\
		5263	};\
		5264	};\
		5265	for(var p = 0; p < l_length; p++){\
		5266	ctx.fillStyle = barcolor[p];\
		5267	txt = legend%d[p];\
		5268	txt_size = ctx.measureText(txt).width;\
		5269	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5270	y_offset = parseInt(y_offset + 1.5*font_size);\
		5271	};\
		5272	};\
		5273	ctx.restore();\
		5274	return;\
7653	schaersvoo	5275	};",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	5276	break;
7842	bpr	5277
7614	schaersvoo	5278	case DRAW_PIECHART:
		5279	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5280	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5281	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5282	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5283	}\
		5284	else\
		5285	{\
		5286	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5287	};\
		5288	var ld = data_color_list.length;\
		5289	var sum = 0;\
		5290	var idx = 0;\
		5291	var colors = new Array();\
		5292	var data = new Array();\
		5293	for(var p = 0;p < ld; p = p + 2){\
		5294	data[idx] = parseFloat(data_color_list[p]);\
		5295	sum = sum + data[idx];\
		5296	colors[idx] = data_color_list[p+1];\
		5297	idx++;\
		5298	};\
		5299	var ctx = obj.getContext(\"2d\");\
		5300	ctx.save();\
		5301	var angle;\
		5302	var angle_end = 0;\
		5303	var offset = Math.PI / 2;\
		5304	ctx.globalAlpha = fill_opacity;\
		5305	for(var p=0; p < idx; p++){\
		5306	ctx.beginPath();\
		5307	ctx.fillStyle = colors[p];\
		5308	ctx.moveTo(x_center,y_center);\
		5309	angle = Math.PI * (2 * data[p] / sum);\
		5310	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5311	ctx.lineTo(x_center, y_center);\
		5312	ctx.fill();\
		5313	ctx.closePath();\
		5314	angle_end = angle_end + angle;\
		5315	};\
		5316	if( typeof legend%d !== 'undefined' ){\
		5317	ctx.globalAlpha = 1.0;\
		5318	ctx.font = font_size+\"px \"+font_family;\
		5319	var y_offset = font_size; \
		5320	var x_offset = 0;\
		5321	var txt;var txt_size;\
		5322	for(var p = 0; p < idx; p++){\
		5323	ctx.fillStyle = colors[p];\
		5324	txt = legend%d[p];\
		5325	txt_size = ctx.measureText(txt).width;\
		5326	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5327	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5328	y_offset = parseInt(y_offset + 1.5*font_size);\
		5329	};\
		5330	};\
		5331	ctx.restore();\
7653	schaersvoo	5332	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5333
7614	schaersvoo	5334	break;
		5335	case DRAW_ARCS:
		5336	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5337	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){\
		5338	var obj;\
		5339	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5340	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5341	}\
		5342	else\
		5343	{\
		5344	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5345	};\
		5346	var ctx = obj.getContext(\"2d\");\
		5347	ctx.save();\
		5348	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5349	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5350	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5351	if(end < start){var tmp = end;end = start;start=tmp;};\
		5352	start=360-start;\
		5353	end=360-end;\
		5354	ctx.lineWidth = line_width;\
		5355	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5356	if( use_filled == 1 ){\
		5357	ctx.beginPath();\
		5358	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5359	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5360	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5361	var x2 = xc + rMath.cos(Math.PIend/180);\
		5362	var y2 = yc + rMath.sin(Math.PIend/180);\
		5363	ctx.beginPath();\
		5364	ctx.moveTo(x1,y1);\
		5365	ctx.lineTo(xc,yc);\
		5366	ctx.moveTo(xc,yc);\
		5367	ctx.lineTo(x2,y2);\
		5368	ctx.closePath();\
		5369	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5370	ctx.fill();\
		5371	ctx.stroke();\
		5372	}\
		5373	else\
		5374	{\
		5375	ctx.beginPath();\
		5376	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5377	ctx.stroke();\
		5378	ctx.closePath();\
		5379	}\
		5380	ctx.restore();\
7653	schaersvoo	5381	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5382
7614	schaersvoo	5383	break;
		5384	case DRAW_TEXTS:
		5385	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5386	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5387	var obj;\
		5388	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5389	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5390	}\
		5391	else\
		5392	{\
		5393	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5394	};\
		5395	var ctx = obj.getContext(\"2d\");\
		5396	if(angle2 == 0 && angle != 0){\
		5397	ctx.save();\
		5398	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5399	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5400	};\
		5401	if( font_family.indexOf('px') != null ){\
		5402	ctx.font = font_family;\
		5403	}\
		5404	else\
		5405	{\
		5406	ctx.font = \"+font_size+'px '+font_family \";\
		5407	};\
		5408	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5409	if(angle2 != 0){\
		5410	ctx.save();\
		5411	ctx.translate(x,y);\
		5412	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5413	ctx.fillText(text,0,0);\
		5414	ctx.restore();\
		5415	}else{ctx.fillText(text,x,y);};\
		5416	ctx.restore();\
		5417	return;\
7653	schaersvoo	5418	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5419
7614	schaersvoo	5420	break;
		5421	case DRAW_CURVE:
		5422	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5423	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){\
		5424	var obj;\
		5425	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5426	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5427	}\
		5428	else\
		5429	{\
		5430	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5431	};\
		5432	var ctx = obj.getContext(\"2d\");\
		5433	ctx.save();\
		5434	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5435	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5436	ctx.beginPath();ctx.lineWidth = line_width;\
		5437	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5438	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5439	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5440	for(var p = 1 ; p < x_points.length ; p++){\
		5441	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5442	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5443	}\
		5444	else\
		5445	{\
		5446	ctx.stroke();\
		5447	ctx.beginPath();\
		5448	p++;\
		5449	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5450	};\
		5451	};\
		5452	ctx.stroke();\
		5453	ctx.restore();\
7653	schaersvoo	5454	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5455	break;
7842	bpr	5456
7614	schaersvoo	5457	case DRAW_INPUTS:
		5458	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5459	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5460	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5461	var input = document.createElement(\"input\");\
		5462	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5463	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5464	input.setAttribute(\"size\",size);\
		5465	input.setAttribute(\"value\",value);\
		5466	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5467	canvas_div.appendChild(input);};");
7614	schaersvoo	5468	break;
7842	bpr	5469
7614	schaersvoo	5470	case DRAW_TEXTAREAS:
		5471	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5472	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5473	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5474	var textarea = document.createElement(\"textarea\");\
		5475	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5476	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5477	textarea.setAttribute(\"cols\",cols);\
		5478	textarea.setAttribute(\"rows\",rows);\
		5479	textarea.innerHTML = value;\
7653	schaersvoo	5480	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5481	break;
7842	bpr	5482
7614	schaersvoo	5483	case DRAW_PIXELS:
		5484	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5485	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5486	var canvas = create_canvas%d(10,xsize,ysize);\
		5487	var d = 0.5*pixelsize;\
		5488	var ctx = canvas.getContext(\"2d\");\
		5489	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5490	ctx.clearRect(0,0,xsize,ysize);\
		5491	for(var p=0; p<x.length;p++){\
		5492	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5493	};\
		5494	ctx.fill();ctx.stroke();\
		5495	};",canvas_root_id);
		5496	break;
		5497
		5498	case DRAW_CLOCK:
		5499	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5500	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5501	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5502	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5503	clock_ctx.save();\
		5504	this.type = type \|\| 0;\
		5505	this.interaction = interaction \|\| 0;\
		5506	this.H = H \|\| parseInt(110*(Math.random()));\
		5507	this.M = M \|\| parseInt(590*(Math.random()));\
		5508	this.S = S \|\| parseInt(590*(Math.random()));\
		5509	this.xc = xc \|\| xsize/2;\
		5510	this.yc = yc \|\| ysize/2;\
		5511	this.radius = radius \|\| xsize/4;\
		5512	var font_size = parseInt(0.2*this.radius);\
		5513	this.H_color = h_color \|\| \"blue\";\
		5514	this.M_color = m_color \|\| \"blue\";\
		5515	this.S_color = s_color \|\| \"blue\";\
		5516	this.fg_color = fg_color \|\| \"red\";\
		5517	this.bg_color = bg_color \|\| \"white\";\
		5518	clock_ctx.translate(this.xc,this.yc);\
		5519	clock_ctx.beginPath();\
		5520	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5521	clock_ctx.fillStyle = this.bg_color;\
		5522	clock_ctx.fill();\
		5523	clock_ctx.closePath();\
		5524	clock_ctx.beginPath();\
		5525	clock_ctx.font = font_size+\"px Arial\";\
		5526	clock_ctx.fillStyle = this.fg_color;\
		5527	clock_ctx.textAlign = \"center\";\
		5528	clock_ctx.textBaseline = 'middle';\
		5529	var angle;var x1,y1,x2,y2;\
		5530	var angle_cos;var angle_sin;\
		5531	switch(type){\
		5532	case 0:clock_ctx.beginPath();\
		5533	for(var p = 1; p <= 12 ; p++){\
		5534	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5535	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5536	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5537	clock_ctx.moveTo(x1,y1);\
		5538	clock_ctx.lineTo(x2,y2);\
		5539	};\
		5540	for(var p = 1; p <= 60 ; p++){\
		5541	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5542	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5543	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5544	clock_ctx.moveTo(x1,y1);\
		5545	clock_ctx.lineTo(x2,y2);\
		5546	};\
		5547	clock_ctx.closePath();\
		5548	clock_ctx.stroke();\
		5549	break;\
		5550	case 1:\
		5551	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;\
		5552	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);};\
		5553	clock_ctx.beginPath();\
		5554	for(var p = 1; p <= 12 ; p++){\
		5555	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5556	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5557	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5558	clock_ctx.moveTo(x1,y1);\
		5559	clock_ctx.lineTo(x2,y2);\
		5560	};\
		5561	for(var p = 1; p <= 60 ; p++){\
		5562	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5563	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5564	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5565	clock_ctx.moveTo(x1,y1);\
		5566	clock_ctx.lineTo(x2,y2);\
		5567	};\
		5568	clock_ctx.closePath();\
		5569	clock_ctx.stroke();\
		5570	break;\
		5571	};\
		5572	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5573	clock_ctx.rotate(angle);\
		5574	clock_ctx.beginPath();\
		5575	clock_ctx.moveTo(-3, -2);\
		5576	clock_ctx.lineTo(-3, 2);\
		5577	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5578	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5579	clock_ctx.fillStyle = this.H_color;\
		5580	clock_ctx.fill();\
		5581	clock_ctx.rotate(-angle);\
		5582	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5583	clock_ctx.rotate(angle);\
		5584	clock_ctx.beginPath();\
		5585	clock_ctx.moveTo(-3, -2);\
		5586	clock_ctx.lineTo(-3, 2);\
		5587	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5588	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5589	clock_ctx.fillStyle = this.M_color;\
		5590	clock_ctx.fill();\
		5591	clock_ctx.rotate(-angle);\
		5592	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5593	clock_ctx.rotate(angle);\
		5594	clock_ctx.beginPath();\
		5595	clock_ctx.moveTo(0,0);\
		5596	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5597	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5598	clock_ctx.strokeStyle = this.S_color;\
		5599	clock_ctx.stroke();\
		5600	clock_ctx.restore();\
7653	schaersvoo	5601	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5602	break;
		5603
		5604	case DRAW_LATTICE:
		5605	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5606	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){\
		5607	var obj;\
		5608	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5609	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5610	}\
		5611	else\
		5612	{\
		5613	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5614	};\
		5615	var ctx = obj.getContext(\"2d\");\
		5616	ctx.save();\
		5617	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5618	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5619	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5620	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5621	var radius = line_width;\
		5622	var x = 0;\
		5623	var y = 0;\
		5624	var x_step_px = xsize/(xmax-xmin);\
		5625	var y_step_px = ysize/(ymax-ymin);\
		5626	var xv1 = dx1*x_step_px;\
		5627	var yv1 = dy1*y_step_px;\
		5628	var xv2 = dx2*x_step_px;\
		5629	var yv2 = dy2*y_step_px;\
		5630	for(var p = 0; p < n1 ;p++){\
		5631	x = p*xv1 + x0;\
		5632	y = p*yv1 + y0;\
		5633	for(var c = 0; c < n2 ; c++){\
		5634	ctx.beginPath();\
		5635	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5636	ctx.fill();\
		5637	ctx.stroke();\
		5638	ctx.closePath();\
		5639	};\
		5640	};\
		5641	ctx.restore();\
		5642	return;\
7653	schaersvoo	5643	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5644	break;
7735	schaersvoo	5645	case DRAW_XYLOGSCALE:
		5646	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5647	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	5648	var obj;\n\
		5649	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5650	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5651	}\n\
		5652	else\n\
		5653	{\n\
		5654	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5655	};\n\
		5656	var ctx = obj.getContext(\"2d\");\n\
		5657	ctx.clearRect(0,0,xsize,ysize);\
		5658	ctx.save();\n\
7739	schaersvoo	5659	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5660	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5661	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5662	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5663	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5664	if(use_axis_numbering == 1){\
		5665	ctx.font = font_family;\n\
		5666	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5667	ymarge = parseInt(1.5*font_size);\n\
		5668	ctx.save();\n\
		5669	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5670	ctx.rect(0,0,xmarge,ysize);\n\
		5671	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5672	ctx.fill();\n\
		5673	ctx.restore();\n\
		5674	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5675	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5676	ctx.save();\n\
		5677	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5678	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5679	corr = ctx.measureText(xaxislabel).width;\n\
		5680	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5681	ctx.restore();\n\
		5682	};\n\
7735	schaersvoo	5683	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5684	ctx.save();\n\
		5685	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5686	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5687	corr = ctx.measureText(yaxislabel).width;\n\
		5688	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5689	ctx.rotate(-0.5*Math.PI);\n\
		5690	ctx.fillText(yaxislabel,0,0);\n\
		5691	ctx.restore();\n\
		5692	};\n\
		5693	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5694	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5695	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5696	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5697	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5698	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5699	if( i == 1 ){\
7739	schaersvoo	5700	ctx.lineWidth = line_width;\n\n\
		5701	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5702	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5703	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5704	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5705	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5706	};\n\
7735	schaersvoo	5707	}else{\
7739	schaersvoo	5708	ctx.lineWidth = 0.2*line_width;\n\n\
		5709	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5710	};\n\
7738	schaersvoo	5711	if( x_e >= xmarge ){\
		5712	ctx.beginPath();\n\
		5713	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5714	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5715	ctx.stroke();\n\
		5716	ctx.closePath();\n\
		5717	};\
7735	schaersvoo	5718	};\n\
		5719	};\n\
		5720	for(var p = y_min; p <= y_max ; p++){\n\
		5721	num = Math.pow(ylogbase,p);\n\
		5722	for(var i = 1 ; i < ylogbase ; i++){\n\
		5723	y_e = y2px(i*num);\n\
7739	schaersvoo	5724	if( i == 1 ){\n\
7735	schaersvoo	5725	ctx.lineWidth = line_width;\n\
		5726	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5727	if( use_axis_numbering == 1 && p > y_min){\n\
		5728	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5729	};\n\
		5730	}else{\n\
7735	schaersvoo	5731	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5732	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5733	};\n\
7735	schaersvoo	5734	ctx.beginPath();\n\
7738	schaersvoo	5735	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5736	ctx.lineTo(xsize,y_e);\n\
		5737	ctx.stroke();\n\
		5738	ctx.closePath();\n\
		5739	};\n\
		5740	};\n\
		5741	ctx.restore();\
		5742	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5743	break;
7614	schaersvoo	5744
7735	schaersvoo	5745	case DRAW_XLOGSCALE:
		5746	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5747	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	5748	var obj;\n\
		5749	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5750	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5751	}\n\
		5752	else\n\
		5753	{\n\
		5754	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5755	};\n\
		5756	var ctx = obj.getContext(\"2d\");\n\
		5757	ctx.clearRect(0,0,xsize,ysize);\
		5758	ctx.save();\n\
		5759	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5760	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5761	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5762	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5763	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5764	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5765	if(use_axis_numbering == 1){\
		5766	ctx.font = font_family;\n\
		5767	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5768	ymarge = parseInt(1.5*font_size);\n\
		5769	ctx.save();\n\
		5770	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5771	ctx.rect(0,0,xmarge,ysize);\n\
		5772	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5773	ctx.fill();\n\
		5774	ctx.restore();\n\
		5775	}else{xmarge = 0;ymarge = 0;};\n\
		5776	if( typeof xaxislabel !== 'undefined' ){\
		5777	ctx.save();\n\
		5778	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5779	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5780	corr = ctx.measureText(xaxislabel).width;\n\
		5781	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5782	ctx.restore();\n\
		5783	};\n\
		5784	if( typeof yaxislabel !== 'undefined' ){\
		5785	ctx.save();\n\
		5786	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5787	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5788	corr = ctx.measureText(yaxislabel).width;\n\
		5789	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5790	ctx.rotate(-0.5*Math.PI);\n\
		5791	ctx.fillText(yaxislabel,0,0);\n\
		5792	ctx.restore();\n\
		5793	};\n\
		5794	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5795	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5796	for(var p = x_min; p <= x_max ; p++){\n\
		5797	num = Math.pow(xlogbase,p);\n\
		5798	for(var i = 1 ; i < xlogbase ; i++){\n\
		5799	x_e = x2px(i*num);\n\
		5800	if( i == 1 ){\
7739	schaersvoo	5801	ctx.lineWidth = line_width;\n\
		5802	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5803	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5804	xtxt = xlogbase+'^'+p.toFixed(0);\
		5805	corr = 0.5*(ctx.measureText(xtxt).width);\
		5806	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5807	};\
		5808	}else{\
		5809	ctx.lineWidth = 0.2*line_width;\n\
		5810	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5811	};\
7739	schaersvoo	5812	if( x_e >= xmarge ){\
		5813	ctx.beginPath();\n\
		5814	ctx.moveTo(x_e,0);\n\
		5815	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5816	ctx.stroke();\n\
		5817	ctx.closePath();\n\
		5818	};\
		5819	};\
7735	schaersvoo	5820	};\n\
		5821	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5822	var minor_step = stepy / yminor;\
7749	schaersvoo	5823	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5824	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5825	ctx.lineWidth = line_width;\n\
		5826	ctx.beginPath();\n\
7739	schaersvoo	5827	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5828	ctx.lineTo(xsize,y);\n\
		5829	ctx.stroke();\n\
		5830	ctx.closePath();\n\
		5831	if( use_axis_numbering == 1){\
		5832	ytxt = (px2y(y)).toFixed(prec);\
		5833	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5834	};\
		5835	for(var dy = 1 ; dy < yminor ; dy++){\
		5836	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5837	ctx.lineWidth = 0.2*line_width;\n\
		5838	ctx.beginPath();\n\
7739	schaersvoo	5839	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5840	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5841	ctx.stroke();\n\
		5842	ctx.closePath();\n\
		5843	};\
		5844	};\
		5845	ctx.restore();\n\
		5846	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5847	break;
7729	schaersvoo	5848	case DRAW_YLOGSCALE:
		5849	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5850	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	5851	var obj;\n\
		5852	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5853	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5854	}\n\
		5855	else\n\
		5856	{\n\
		5857	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5858	};\n\
		5859	var ctx = obj.getContext(\"2d\");\n\
		5860	ctx.clearRect(0,0,xsize,ysize);\
		5861	ctx.save();\n\
		5862	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5863	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5864	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5865	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5866	if(use_axis_numbering == 1){\
		5867	ctx.font = font_family;\n\
		5868	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5869	ymarge = 2*font_size;\n\
		5870	ctx.save();\n\
		5871	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5872	ctx.rect(0,0,xmarge,ysize);\n\
		5873	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5874	ctx.fill();\n\
		5875	ctx.restore();\n\
		5876	}else{xmarge = 0;ymarge = 0;};\n\
		5877	if( typeof xaxislabel !== 'undefined' ){\
		5878	ctx.save();\n\
		5879	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5880	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5881	corr = ctx.measureText(xaxislabel).width;\n\
		5882	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5883	ctx.restore();\n\
		5884	};\n\
		5885	if( typeof yaxislabel !== 'undefined' ){\
		5886	ctx.save();\n\
		5887	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5888	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5889	corr = ctx.measureText(yaxislabel).width;\n\
		5890	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5891	ctx.rotate(-0.5*Math.PI);\n\
		5892	ctx.fillText(yaxislabel,0,0);\n\
		5893	ctx.restore();\n\
		5894	};\n\
		5895	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5896	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5897	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5898	num = Math.pow(ylogbase,p);\n\
		5899	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5900	y_e = y2px(i*num);\n\
		5901	if( i == 1 ){\
		5902	ctx.lineWidth = line_width;\n\
		5903	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5904	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5905	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5906	};\
		5907	}else{\
		5908	ctx.lineWidth = 0.2*line_width;\n\
		5909	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5910	};\
		5911	ctx.beginPath();\n\
7739	schaersvoo	5912	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5913	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5914	ctx.stroke();\n\
		5915	ctx.closePath();\n\
		5916	};\n\
		5917	};\n\
		5918	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5919	var minor_step = stepx / xminor;\
		5920	var prec = Math.log(precision)/Math.log(10);\
		5921	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5922	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5923	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5924	ctx.lineWidth = line_width;\n\
		5925	ctx.beginPath();\n\
7739	schaersvoo	5926	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5927	ctx.lineTo(x,0);\n\
		5928	ctx.stroke();\n\
		5929	ctx.closePath();\n\
		5930	if( use_axis_numbering == 1){\
		5931	xtxt = (px2x(x)).toFixed(prec);\
		5932	corr = 0.5*(ctx.measureText(xtxt).width);\
		5933	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5934	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5935	};\
		5936	for(var dx = 1 ; dx < xminor ; dx++){\
		5937	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5938	ctx.lineWidth = 0.2*line_width;\n\
		5939	ctx.beginPath();\n\
7739	schaersvoo	5940	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5941	ctx.lineTo(x+dx*minor_step,0);\n\
		5942	ctx.stroke();\n\
		5943	ctx.closePath();\n\
7735	schaersvoo	5944	};\
		5945	};\
7729	schaersvoo	5946	ctx.restore();\n\
		5947	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5948
		5949	break;
7735	schaersvoo	5950
		5951
7614	schaersvoo	5952	default:break;
		5953	}
		5954	}
		5955	}
		5956	return;
		5957	}
		5958
		5959	void check_string_length(int L){
		5960	if(L<1 \|\| L > MAX_BUFFER-1){
		5961	canvas_error("problem with your arguments to command...");
		5962	}
		5963	return;
		5964	}
		5965
		5966
		5967	int get_token(FILE *infile){
		5968	int c,i=0;
		5969	char temp[MAX_INT], *input_type;
		5970	char *line="line",
		5971	*audio="audio",
		5972	*blink="blink",
		5973	*arrowhead="arrowhead",
		5974	*crosshairsize="crosshairsize",
		5975	*crosshair="crosshair",
		5976	*crosshairs="crosshairs",
		5977	*audioobject="audioobject",
		5978	*style="style",
		5979	*mouse="mouse",
		5980	*userdraw="userdraw",
		5981	*highlight="highlight",
		5982	*http="http",
		5983	*rays="rays",
		5984	*dashtype="dashtype",
		5985	*dashed="dashed",
		5986	*filled="filled",
		5987	*lattice="lattice",
		5988	*parallel="parallel",
		5989	*segment="segment",
		5990	*dsegment="dsegment",
		5991	*seg="seg",
		5992	*bgimage="bgimage",
		5993	*bgcolor="bgcolor",
		5994	*strokecolor="strokecolor",
		5995	*backgroundimage="backgroundimage",
		5996	*text="text",
		5997	*textup="textup",
		5998	*mouseprecision="mouseprecision",
		5999	*precision="precision",
		6000	*plotsteps="plotsteps",
		6001	*plotstep="plotstep",
		6002	*tsteps="tsteps",
		6003	*curve="curve",
		6004	*dcurve="dcurve",
		6005	*plot="plot",
		6006	*dplot="dplot",
7788	schaersvoo	6007	*levelcurve="levelcurve",
7614	schaersvoo	6008	*fontsize="fontsize",
		6009	*fontcolor="fontcolor",
		6010	*axis="axis",
		6011	*axisnumbering="axisnumbering",
		6012	*axisnumbers="axisnumbers",
		6013	*arrow="arrow",
		6014	*darrow="darrow",
		6015	*arrow2="arrow2",
		6016	*darrow2="darrow2",
		6017	*zoom="zoom",
		6018	*grid="grid",
		6019	*hline="hline",
7786	schaersvoo	6020	*dhline="dhline",
7614	schaersvoo	6021	*drag="drag",
		6022	*horizontalline="horizontalline",
		6023	*vline="vline",
7786	schaersvoo	6024	*dvline="dvline",
7614	schaersvoo	6025	*verticalline="verticalline",
		6026	*triangle="triangle",
		6027	*ftriangle="ftriangle",
		6028	*mathml="mathml",
		6029	*html="html",
		6030	*input="input",
		6031	*button="button",
		6032	*inputstyle="inputstyle",
		6033	*textarea="textarea",
		6034	*trange="trange",
		6035	*ranget="ranget",
		6036	*xrange="xrange",
		6037	*yrange="yrange",
		6038	*rangex="rangex",
		6039	*rangey="rangey",
		6040	*polyline="polyline",
		6041	*lines="lines",
		6042	*poly="poly",
		6043	*polygon="polygon",
		6044	*fpolygon="fpolygon",
		6045	*fpoly="fpoly",
		6046	*filledpoly="filledpoly",
		6047	*filledpolygon="filledpolygon",
		6048	*rect="rect",
		6049	*frect="frect",
		6050	*rectangle="rectangle",
		6051	*frectangle="frectangle",
		6052	*square="square",
		6053	*fsquare="fsquare",
		6054	*dline="dline",
		6055	*arc="arc",
		6056	*filledarc="filledarc",
		6057	*size="size",
		6058	*string="string",
		6059	*stringup="stringup",
		6060	*copy="copy",
		6061	*copyresized="copyresized",
		6062	*opacity="opacity",
		6063	*transparent="transparent",
		6064	*fill="fill",
		6065	*slider="slider",
		6066	*point="point",
		6067	*points="points",
		6068	*linewidth="linewidth",
		6069	*circle="circle",
		6070	*fcircle="fcircle",
		6071	*disk="disk",
		6072	*comment="#",
		6073	*end="end",
		6074	*ellipse="ellipse",
		6075	*fellipse="fellipse",
		6076	*rotate="rotate",
7785	schaersvoo	6077	*affine="affine",
		6078	*killaffine="killaffine",
7614	schaersvoo	6079	*fontfamily="fontfamily",
		6080	*fillcolor="fillcolor",
		6081	*clicktile="clicktile",
		6082	*clicktile_colors="clicktile_colors",
		6083	*translation="translation",
		6084	*translate="translate",
		6085	*killtranslation="killtranslation",
		6086	*killtranslate="killtranslate",
		6087	*onclick="onclick",
		6088	*roundrect="roundrect",
		6089	*froundrect="froundrect",
		6090	*roundrectangle="roundrectangle",
		6091	*patternfill="patternfill",
		6092	*hatchfill="hatchfill",
		6093	*diafill="diafill",
7647	schaersvoo	6094	*diamondfill="diamondfill",
7614	schaersvoo	6095	*dotfill="dotfill",
		6096	*gridfill="gridfill",
		6097	*imagefill="imagefill",
7735	schaersvoo	6098	*xlogbase="xlogbase",
		6099	*ylogbase="ylogbase",
7614	schaersvoo	6100	*xlogscale="xlogscale",
		6101	*ylogscale="ylogscale",
		6102	*xylogscale="xylogscale",
		6103	*intooltip="intooltip",
		6104	*replyformat="replyformat",
		6105	*floodfill="floodfill",
		6106	*filltoborder="filltoborder",
		6107	*clickfill="clickfill",
		6108	*setpixel="setpixel",
		6109	*pixels="pixels",
		6110	*pixelsize="pixelsize",
		6111	*clickfillmarge="clickfillmarge",
		6112	*xaxis="xaxis",
		6113	*yaxis="yaxis",
		6114	*xaxistext="xaxistext",
		6115	*yaxistext="yaxistext",
		6116	*piechart="piechart",
		6117	*legend="legend",
		6118	*legendcolors="legendcolors",
		6119	*xlabel="xlabel",
		6120	*ylabel="ylabel",
		6121	*barchart="barchart",
		6122	*linegraph="linegraph",
		6123	*clock="clock",
		6124	*animate="animate",
		6125	*video="video",
		6126	*status="status",
7652	schaersvoo	6127	*snaptogrid="snaptogrid",
7784	schaersvoo	6128	*xsnaptogrid="xsnaptogrid",
		6129	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6130	*userinput_xy="userinput_xy",
7663	schaersvoo	6131	*usertextarea_xy="usertextarea_xy",
7823	schaersvoo	6132	*jsmath="jsmath",
		6133	*trace_jsmath="trace_jsmath",
7838	schaersvoo	6134	*setlimits="setlimits",
7654	schaersvoo	6135	*sgraph="sgraph";
7614	schaersvoo	6136
		6137	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6138	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6139	continue; /* white spaces or tabs allowed before first command identifier */
		6140	}
		6141	else
		6142	{
		6143	if( c == ' ' \|\| c == '\t' ){
		6144	break;
		6145	}
		6146	else
		6147	{
		6148	temp[i] = c;
		6149	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6150	i++;
		6151	}
		6152	}
		6153	if(temp[0] == '#') break;
		6154	}
		6155	if (c == EOF) finished = 1;
		6156
		6157	if (c == '\n' \|\| c == '\r') {
		6158	line_number++;
		6159	if (i == 0) { return EMPTY; }
		6160	} else if (c == EOF) {
		6161	return 0;
		6162	}
		6163
		6164	temp[i]='\0';
		6165	input_type=(char*)my_newmem(strlen(temp));
		6166	snprintf(input_type,sizeof(temp),"%s",temp);
		6167
		6168	if( strcmp(input_type, size) == 0 ){
		6169	free(input_type);
		6170	return SIZE;
		6171	}
		6172	if( strcmp(input_type, xrange) == 0 ){
		6173	free(input_type);
		6174	return XRANGE;
		6175	}
		6176	if( strcmp(input_type, rangex) == 0 ){
		6177	free(input_type);
		6178	return XRANGE;
		6179	}
		6180	if( strcmp(input_type, trange) == 0 ){
		6181	free(input_type);
		6182	return TRANGE;
		6183	}
		6184	if( strcmp(input_type, ranget) == 0 ){
		6185	free(input_type);
		6186	return TRANGE;
		6187	}
		6188	if( strcmp(input_type, yrange) == 0 ){
		6189	free(input_type);
		6190	return YRANGE;
		6191	}
		6192	if( strcmp(input_type, rangey) == 0 ){
		6193	free(input_type);
		6194	return YRANGE;
		6195	}
		6196	if( strcmp(input_type, linewidth) == 0 ){
		6197	free(input_type);
		6198	return LINEWIDTH;
		6199	}
		6200	if( strcmp(input_type, dashed) == 0 ){
		6201	free(input_type);
		6202	return DASHED;
		6203	}
		6204	if( strcmp(input_type, dashtype) == 0 ){
		6205	free(input_type);
		6206	return DASHTYPE;
		6207	}
		6208	if( strcmp(input_type, axisnumbering) == 0 ){
		6209	free(input_type);
		6210	return AXIS_NUMBERING;
		6211	}
		6212	if( strcmp(input_type, axisnumbers) == 0 ){
		6213	free(input_type);
		6214	return AXIS_NUMBERING;
		6215	}
		6216	if( strcmp(input_type, axis) == 0 ){
		6217	free(input_type);
		6218	return AXIS;
		6219	}
		6220	if( strcmp(input_type, grid) == 0 ){
		6221	free(input_type);
		6222	return GRID;
		6223	}
		6224	if( strcmp(input_type, parallel) == 0 ){
		6225	free(input_type);
		6226	return PARALLEL;
		6227	}
		6228	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6229	free(input_type);
		6230	return HLINE;
		6231	}
		6232	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6233	free(input_type);
		6234	return VLINE;
		6235	}
		6236	if( strcmp(input_type, line) == 0 ){
		6237	free(input_type);
		6238	return LINE;
		6239	}
		6240	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6241	free(input_type);
		6242	return SEGMENT;
		6243	}
		6244	if( strcmp(input_type, dsegment) == 0 ){
		6245	free(input_type);
		6246	use_dashed = TRUE;
		6247	return SEGMENT;
		6248	}
		6249	if( strcmp(input_type, crosshairsize) == 0 ){
		6250	free(input_type);
		6251	return CROSSHAIRSIZE;
		6252	}
		6253	if( strcmp(input_type, arrowhead) == 0 ){
		6254	free(input_type);
		6255	return ARROWHEAD;
		6256	}
		6257	if( strcmp(input_type, crosshairs) == 0 ){
		6258	free(input_type);
		6259	return CROSSHAIRS;
		6260	}
		6261	if( strcmp(input_type, crosshair) == 0 ){
		6262	free(input_type);
		6263	return CROSSHAIR;
		6264	}
		6265	if( strcmp(input_type, onclick) == 0 ){
		6266	free(input_type);
		6267	return ONCLICK;
		6268	}
		6269	if( strcmp(input_type, drag) == 0 ){
		6270	free(input_type);
		6271	return DRAG;
		6272	}
		6273	if( strcmp(input_type, userdraw) == 0 ){
		6274	free(input_type);
		6275	return USERDRAW;
		6276	}
		6277	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6278	free(input_type);
		6279	return STYLE;
		6280	}
		6281	if( strcmp(input_type, fillcolor) == 0 ){
		6282	free(input_type);
		6283	return FILLCOLOR;
		6284	}
		6285	if( strcmp(input_type, strokecolor) == 0 ){
		6286	free(input_type);
		6287	return STROKECOLOR;
		6288	}
		6289	if( strcmp(input_type, filled) == 0 ){
		6290	free(input_type);
		6291	return FILLED;
		6292	}
		6293	if( strcmp(input_type, http) == 0 ){
		6294	free(input_type);
		6295	return HTTP;
		6296	}
		6297	if( strcmp(input_type, rays) == 0 ){
		6298	free(input_type);
		6299	return RAYS;
		6300	}
		6301	if( strcmp(input_type, lattice) == 0 ){
		6302	free(input_type);
		6303	return LATTICE;
		6304	}
		6305	if( strcmp(input_type, bgimage) == 0 ){
		6306	free(input_type);
		6307	return BGIMAGE;
		6308	}
		6309	if( strcmp(input_type, bgcolor) == 0 ){
		6310	free(input_type);
		6311	return BGCOLOR;
		6312	}
		6313	if( strcmp(input_type, backgroundimage) == 0 ){
		6314	free(input_type);
		6315	return BGIMAGE;
		6316	}
		6317	if( strcmp(input_type, text) == 0 ){
		6318	free(input_type);
		6319	return FLY_TEXT;
		6320	}
		6321	if( strcmp(input_type, textup) == 0 ){
		6322	free(input_type);
		6323	return FLY_TEXTUP;
		6324	}
		6325	if( strcmp(input_type, mouse) == 0 ){
		6326	free(input_type);
		6327	return MOUSE;
		6328	}
		6329	if( strcmp(input_type, mouseprecision) == 0 ){
		6330	free(input_type);
		6331	return MOUSE_PRECISION;
		6332	}
		6333	if( strcmp(input_type, precision) == 0 ){
		6334	free(input_type);
		6335	return MOUSE_PRECISION;
		6336	}
		6337	if( strcmp(input_type, curve) == 0 ){
		6338	free(input_type);
		6339	return CURVE;
		6340	}
		6341	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6342	use_dashed = TRUE;
7614	schaersvoo	6343	free(input_type);
		6344	return CURVE;
		6345	}
		6346	if( strcmp(input_type, plot) == 0 ){
		6347	free(input_type);
		6348	return CURVE;
		6349	}
		6350	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6351	use_dashed = TRUE;
7614	schaersvoo	6352	free(input_type);
		6353	return CURVE;
		6354	}
7788	schaersvoo	6355	if( strcmp(input_type, levelcurve) == 0 ){
		6356	free(input_type);
		6357	return LEVELCURVE;
		6358	}
7614	schaersvoo	6359	if( strcmp(input_type, plotsteps) == 0 ){
		6360	free(input_type);
		6361	return PLOTSTEPS;
		6362	}
		6363	if( strcmp(input_type, plotstep) == 0 ){
		6364	free(input_type);
		6365	return PLOTSTEPS;
		6366	}
		6367	if( strcmp(input_type, tsteps) == 0 ){
		6368	free(input_type);
		6369	return PLOTSTEPS;
		6370	}
		6371	if( strcmp(input_type, fontsize) == 0 ){
		6372	free(input_type);
		6373	return FONTSIZE;
		6374	}
		6375	if( strcmp(input_type, fontcolor) == 0 ){
		6376	free(input_type);
		6377	return FONTCOLOR;
		6378	}
		6379	if( strcmp(input_type, arrow) == 0 ){
		6380	free(input_type);
		6381	return ARROW;
		6382	}
		6383	if( strcmp(input_type, arrow2) == 0 ){
		6384	free(input_type);
		6385	return ARROW2;
		6386	}
		6387	if( strcmp(input_type, darrow) == 0 ){
		6388	free(input_type);
		6389	return ARROW;
		6390	}
		6391	if( strcmp(input_type, darrow2) == 0 ){
		6392	free(input_type);
		6393	use_dashed = TRUE;
		6394	return ARROW2;
		6395	}
		6396	if( strcmp(input_type, zoom) == 0 ){
		6397	free(input_type);
		6398	return ZOOM;
		6399	}
		6400	if( strcmp(input_type, triangle) == 0 ){
		6401	free(input_type);
		6402	return TRIANGLE;
		6403	}
		6404	if( strcmp(input_type, ftriangle) == 0 ){
		6405	free(input_type);
		6406	use_filled = TRUE;
		6407	return TRIANGLE;
		6408	}
		6409	if( strcmp(input_type, input) == 0 ){
		6410	free(input_type);
		6411	return INPUT;
		6412	}
		6413	if( strcmp(input_type, inputstyle) == 0 ){
		6414	free(input_type);
		6415	return INPUTSTYLE;
		6416	}
		6417	if( strcmp(input_type, textarea) == 0 ){
		6418	free(input_type);
		6419	return TEXTAREA;
		6420	}
		6421	if( strcmp(input_type, mathml) == 0 ){
		6422	free(input_type);
		6423	return MATHML;
		6424	}
		6425	if( strcmp(input_type, html) == 0 ){
		6426	free(input_type);
		6427	return MATHML;
		6428	}
		6429	if( strcmp(input_type, fontfamily) == 0 ){
		6430	free(input_type);
		6431	return FONTFAMILY;
		6432	}
		6433	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6434	free(input_type);
		6435	return POLYLINE;
		6436	}
		6437	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6438	free(input_type);
		6439	return RECT;
		6440	}
		6441	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6442	free(input_type);
		6443	return ROUNDRECT;
		6444	}
		6445	if( strcmp(input_type, froundrect) == 0 ){
		6446	free(input_type);
		6447	use_filled = TRUE;
		6448	return ROUNDRECT;
		6449	}
		6450	if( strcmp(input_type, square) == 0 ){
		6451	free(input_type);
		6452	return SQUARE;
		6453	}
		6454	if( strcmp(input_type, fsquare) == 0 ){
		6455	free(input_type);
		6456	use_filled = TRUE;
		6457	return SQUARE;
		6458	}
		6459	if( strcmp(input_type, dline) == 0 ){
		6460	use_dashed = TRUE;
		6461	free(input_type);
		6462	return LINE;
		6463	}
7786	schaersvoo	6464	if( strcmp(input_type, dvline) == 0 ){
		6465	use_dashed = TRUE;
		6466	free(input_type);
		6467	return VLINE;
		6468	}
		6469	if( strcmp(input_type, dhline) == 0 ){
		6470	use_dashed = TRUE;
		6471	free(input_type);
		6472	return HLINE;
		6473	}
7614	schaersvoo	6474	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6475	use_filled = TRUE;
		6476	free(input_type);
		6477	return RECT;
		6478	}
		6479	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6480	use_filled = TRUE;
		6481	free(input_type);
		6482	return CIRCLE;
		6483	}
		6484	if( strcmp(input_type, circle) == 0 ){
		6485	free(input_type);
		6486	return CIRCLE;
		6487	}
		6488	if( strcmp(input_type, point) == 0 ){
		6489	free(input_type);
		6490	return POINT;
		6491	}
		6492	if( strcmp(input_type, points) == 0 ){
		6493	free(input_type);
		6494	return POINTS;
		6495	}
		6496	if( strcmp(input_type, filledarc) == 0 ){
		6497	use_filled = TRUE;
		6498	free(input_type);
		6499	return ARC;
		6500	}
		6501	if( strcmp(input_type, arc) == 0 ){
		6502	free(input_type);
		6503	return ARC;
		6504	}
		6505	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6506	free(input_type);
		6507	return POLY;
		6508	}
		6509	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6510	use_filled = TRUE;
		6511	free(input_type);
		6512	return POLY;
		6513	}
		6514	if( strcmp(input_type, ellipse) == 0){
		6515	free(input_type);
		6516	return ELLIPSE;
		6517	}
		6518	if( strcmp(input_type, fill) == 0 ){
		6519	free(input_type);
		6520	return FLOODFILL;
		6521	}
		6522	if( strcmp(input_type, string) == 0 ){
		6523	free(input_type);
		6524	return STRING;
		6525	}
		6526	if( strcmp(input_type, stringup) == 0 ){
		6527	free(input_type);
		6528	return STRINGUP;
		6529	}
		6530	if( strcmp(input_type, opacity) == 0 ){
		6531	free(input_type);
		6532	return OPACITY;
		6533	}
		6534	if( strcmp(input_type, comment) == 0){
		6535	free(input_type);
		6536	return COMMENT;
		6537	}
		6538	if( strcmp(input_type, end) == 0){
		6539	free(input_type);
		6540	return END;
		6541	}
		6542	if( strcmp(input_type, fellipse) == 0){
		6543	free(input_type);
		6544	use_filled = TRUE;
		6545	return ELLIPSE;
7842	bpr	6546	}
7614	schaersvoo	6547	if( strcmp(input_type, blink) == 0 ){
		6548	free(input_type);
		6549	return BLINK;
		6550	}
		6551	if( strcmp(input_type, button) == 0){
		6552	free(input_type);
		6553	return BUTTON;
		6554	}
		6555	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6556	free(input_type);
		6557	return TRANSLATION;
		6558	}
		6559	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6560	free(input_type);
		6561	return KILLTRANSLATION;
		6562	}
		6563	if( strcmp(input_type, rotate) == 0){
		6564	free(input_type);
		6565	return ROTATE;
		6566	}
7785	schaersvoo	6567	if( strcmp(input_type, affine) == 0){
		6568	free(input_type);
		6569	return AFFINE;
		6570	}
		6571	if( strcmp(input_type, killaffine) == 0){
		6572	free(input_type);
		6573	return KILLAFFINE;
		6574	}
7614	schaersvoo	6575	if( strcmp(input_type, audio) == 0 ){
		6576	free(input_type);
		6577	return AUDIO;
		6578	}
		6579	if( strcmp(input_type, audioobject) == 0 ){
		6580	free(input_type);
		6581	return AUDIOOBJECT;
		6582	}
		6583	if( strcmp(input_type, slider) == 0 ){
		6584	free(input_type);
		6585	return SLIDER;
		6586	}
		6587	if( strcmp(input_type, copy) == 0 ){
		6588	free(input_type);
		6589	return COPY;
		6590	}
		6591	if( strcmp(input_type, copyresized) == 0 ){
		6592	free(input_type);
		6593	return COPYRESIZED;
		6594	}
		6595	if( strcmp(input_type, patternfill) == 0 ){
		6596	free(input_type);
		6597	return PATTERNFILL;
		6598	}
		6599	if( strcmp(input_type, hatchfill) == 0 ){
		6600	free(input_type);
		6601	return HATCHFILL;
		6602	}
7647	schaersvoo	6603	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6604	free(input_type);
7647	schaersvoo	6605	return DIAMONDFILL;
7614	schaersvoo	6606	}
		6607	if( strcmp(input_type, dotfill) == 0 ){
		6608	free(input_type);
		6609	return DOTFILL;
		6610	}
		6611	if( strcmp(input_type, gridfill) == 0 ){
		6612	free(input_type);
		6613	return GRIDFILL;
		6614	}
		6615	if( strcmp(input_type, imagefill) == 0 ){
		6616	free(input_type);
		6617	return IMAGEFILL;
		6618	}
		6619	if( strcmp(input_type, clicktile_colors) == 0 ){
		6620	free(input_type);
		6621	return CLICKTILE_COLORS;
		6622	}
		6623	if( strcmp(input_type, clicktile) == 0 ){
		6624	free(input_type);
		6625	return CLICKTILE;
		6626	}
		6627	if( strcmp(input_type, xlogscale) == 0 ){
		6628	free(input_type);
		6629	return XLOGSCALE;
		6630	}
		6631	if( strcmp(input_type, ylogscale) == 0 ){
		6632	free(input_type);
		6633	return YLOGSCALE;
		6634	}
		6635	if( strcmp(input_type, xylogscale) == 0 ){
		6636	free(input_type);
		6637	return XYLOGSCALE;
		6638	}
		6639	if( strcmp(input_type, ylogscale) == 0 ){
		6640	free(input_type);
		6641	return YLOGSCALE;
		6642	}
7735	schaersvoo	6643	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6644	free(input_type);
7735	schaersvoo	6645	return XLOGBASE;
7614	schaersvoo	6646	}
7735	schaersvoo	6647	if( strcmp(input_type, ylogbase) == 0 ){
		6648	free(input_type);
		6649	return YLOGBASE;
		6650	}
7614	schaersvoo	6651	if( strcmp(input_type, intooltip) == 0 ){
		6652	free(input_type);
		6653	return INTOOLTIP;
		6654	}
		6655	if( strcmp(input_type,video) == 0 ){
		6656	free(input_type);
		6657	return VIDEO;
		6658	}
		6659	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6660	free(input_type);
		6661	return FLOODFILL;
7842	bpr	6662	}
7614	schaersvoo	6663	if( strcmp(input_type,filltoborder) == 0 ){
		6664	free(input_type);
		6665	return FILLTOBORDER;
7842	bpr	6666	}
7614	schaersvoo	6667	if( strcmp(input_type,clickfill) == 0 ){
		6668	free(input_type);
		6669	return CLICKFILL;
7842	bpr	6670	}
7614	schaersvoo	6671	if( strcmp(input_type, replyformat) == 0 ){
		6672	free(input_type);
		6673	return REPLYFORMAT;
		6674	}
		6675	if( strcmp(input_type, pixelsize) == 0 ){
		6676	free(input_type);
		6677	return PIXELSIZE;
		6678	}
		6679	if( strcmp(input_type, setpixel) == 0 ){
		6680	free(input_type);
		6681	return SETPIXEL;
		6682	}
		6683	if( strcmp(input_type, pixels) == 0 ){
		6684	free(input_type);
		6685	return PIXELS;
		6686	}
		6687	if( strcmp(input_type, clickfillmarge) == 0 ){
		6688	free(input_type);
		6689	return CLICKFILLMARGE;
		6690	}
		6691	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6692	free(input_type);
		6693	return X_AXIS_STRINGS;
		6694	}
		6695	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6696	free(input_type);
		6697	return Y_AXIS_STRINGS;
		6698	}
		6699	if( strcmp(input_type, piechart) == 0 ){
		6700	free(input_type);
		6701	return PIECHART;
		6702	}
		6703	if( strcmp(input_type, barchart) == 0 ){
		6704	free(input_type);
		6705	return BARCHART;
		6706	}
		6707	if( strcmp(input_type, linegraph) == 0 ){
		6708	free(input_type);
		6709	return LINEGRAPH;
		6710	}
		6711	if( strcmp(input_type, clock) == 0 ){
		6712	free(input_type);
		6713	return CLOCK;
		6714	}
		6715	if( strcmp(input_type, legend) == 0 ){
		6716	free(input_type);
		6717	return LEGEND;
		6718	}
		6719	if( strcmp(input_type, legendcolors) == 0 ){
		6720	free(input_type);
		6721	return LEGENDCOLORS;
		6722	}
		6723	if( strcmp(input_type, xlabel) == 0 ){
		6724	free(input_type);
		6725	return XLABEL;
		6726	}
		6727	if( strcmp(input_type, ylabel) == 0 ){
		6728	free(input_type);
		6729	return YLABEL;
		6730	}
		6731	if( strcmp(input_type, animate) == 0 ){
		6732	free(input_type);
		6733	return ANIMATE;
		6734	}
		6735	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6736	if( strcmp(input_type, transparent) == 0 ){
		6737	free(input_type);
		6738	return TRANSPARENT;
		6739	}
		6740	if( strcmp(input_type, status) == 0 ){
		6741	free(input_type);
		6742	return STATUS;
		6743	}
		6744	if( strcmp(input_type, snaptogrid) == 0 ){
		6745	free(input_type);
		6746	return SNAPTOGRID;
		6747	}
7784	schaersvoo	6748	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6749	free(input_type);
		6750	return XSNAPTOGRID;
		6751	}
		6752	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6753	free(input_type);
		6754	return YSNAPTOGRID;
		6755	}
7652	schaersvoo	6756	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6757	free(input_type);
7652	schaersvoo	6758	return USERINPUT_XY;
		6759	}
7663	schaersvoo	6760	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6761	free(input_type);
		6762	return USERTEXTAREA_XY;
		6763	}
7654	schaersvoo	6764	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6765	free(input_type);
7654	schaersvoo	6766	return SGRAPH;
		6767	}
7823	schaersvoo	6768	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	6769	free(input_type);
7823	schaersvoo	6770	return JSMATH;
		6771	}
		6772	if( strcmp(input_type, trace_jsmath) == 0 ){
		6773	free(input_type);
		6774	return TRACE_JSMATH;
		6775	}
7838	schaersvoo	6776	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	6777	free(input_type);
7838	schaersvoo	6778	return SETLIMITS;
		6779	}
		6780	free(input_type);
7614	schaersvoo	6781	ungetc(c,infile);
		6782	return 0;
		6783	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7842