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	*/
7856	schaersvoo	12
7848	bpr	13	#include "../../Lib/libwims.h"
		14	#include "canvasdraw.h"
7842	bpr	15	#include <assert.h>
7848	bpr	16	#include "canvasmacro.c"
7614	schaersvoo	17
		18	/******************************************************************************
		19	** Internal Functions
		20	******************************************************************************/
		21	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		22	void sync_input(FILE infile);/ proceed with inputfile */
		23	void canvas_error(char *msg);
		24	void add_javascript_functions(int js_functions[], int canvas_root_id);
		25	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		26	int get_token(FILE infile); / read next char until EOL*/
		27	int x2px(double x);
		28	int y2px(double y);
		29	double px2x(int x);
		30	double px2y(int y);
		31	double get_real(FILE infile,int last); / read a values; calculation and symbols allowed */
		32	char str_replace ( const char word, const char sub_word, const char rep_word );
		33	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
		34	char get_string(FILE infile,int last); /* get the string at theend of a command */
		35	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		36	char convert_hex2rgb(char hexcolor);
		37	void add_read_canvas(int reply_format);
		38	void make_js_include(int canvas_root_id);
		39	void check_string_length(int length);/* checks if the length of string argument of command is correct */
7856	schaersvoo	40	FILE *js_include_file;
7614	schaersvoo	41	FILE get_file(int line_number, char **filename);
		42	FILE infile; / will be stdin */
		43	/******************************************************************************
		44	** global
		45	******************************************************************************/
		46	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		47	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		48	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		49	int xsize = 320;
		50	int ysize = 320;
		51	double xmin = 0.0;
		52	double xmax = 320.0;
		53	double ymin = 0.0;
		54	double ymax = 320.0;
		55	double tmax = 2;
		56	double tmin = -2;
		57	/* flag to indicate parsing of line status */
7856	schaersvoo	58	int done = FALSE;
7614	schaersvoo	59	int type; /* eg command number */
		60	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
7785	schaersvoo	61	int use_affine = FALSE;
7614	schaersvoo	62	int use_rotate = FALSE;
		63	int use_translate = FALSE;
		64	int use_filled = FALSE;
		65	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
		66	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		67
		68	/******************************************************************************
		69	** Main Program
		70	******************************************************************************/
		71	int main(int argc, char *argv[]){
		72	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		73	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		74	infile = stdin;/* read flyscript via stdin */
		75	int i,c;
		76	double double_data[MAX_INT+1];
		77	int int_data[MAX_INT+1];
		78	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		79	int use_parametric = FALSE;/* will be reset after parametric plotting */
		80	int use_axis = FALSE;
		81	int use_axis_numbering = FALSE;
7797	schaersvoo	82	int use_pan_and_zoom = FALSE;
7858	schaersvoo	83	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		84	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
7614	schaersvoo	85	int line_width = 1;
		86	int decimals = 2;
		87	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		88	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		89	int drag_type = -1;/* 0,1,2 : xy,x,y */
		90	int use_tooltip = FALSE;
		91	char *tooltip_text = "Click here";
		92	char temp = ""; / */
		93	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		94	char *stroke_color = "255,0,0";
		95	char *fill_color = "0,255,0";
		96	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		97	char *font_color = "#00000";
		98	char *draw_type = "points";
		99	char *fly_font = "normal";
		100	char *input_style = "";
		101	char *flytext = "";
7785	schaersvoo	102	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	103	int pixelsize = 1;
		104	int reply_format = 0;
		105	int input_cnt = 0;
		106	int ext_img_cnt = 0;
		107	int font_size = 12;
		108	int dashtype[2] = { 2 , 2 };
		109	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		110	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		111	int arrow_head = 8; /* size in px*/
7833	schaersvoo	112	int crosshair_size = 5; /* size in px*/
7856	schaersvoo	113	int plot_steps = 250;
7614	schaersvoo	114	int found_size_command = 0;
		115	int click_cnt = 1;
		116	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		117	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		118	double angle = 0.0;
		119	int translate_x = 0;
		120	int translate_y = 0;
		121	int clickfillmarge = 20;
		122	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	123	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
7614	schaersvoo	124	size_t string_length = 0;
		125	double stroke_opacity = 0.8;
		126	double fill_opacity = 0.8;
		127	char *URL = "http://localhost/images";
		128	memset(buffer,'\0',MAX_BUFFER);
		129	void *tmp_buffer = "";
7856	schaersvoo	130
7614	schaersvoo	131	/* default writing a unzipped js-include file into wims getfile directory */
		132	char *w_wims_session = getenv("w_wims_session");
7856	schaersvoo	133	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	134	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		135	}
		136	int L0=strlen(w_wims_session) + 21;
		137	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		138	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		139	mode_t process_mask = umask(0); /* check if file exists */
		140	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		141	if( result == 0 \|\| errno == EEXIST ){
		142	umask(process_mask); /* be sure to set correct permission */
7856	schaersvoo	143	char *w_session = getenv("w_session");
7614	schaersvoo	144	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		145	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
7856	schaersvoo	146	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	147	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		148	/* now write file into getfile dir*/
		149	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		150	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		151	char location = my_newmem(L2); / create memory to fit string precisely */
		152	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		153	js_include_file = fopen(location,"w");/* open the file location for writing */
		154	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		155	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		156
		157	/* ----------------------------------------------------- */
		158	/* while more lines to process */
		159
		160	while(!finished){
		161	if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
		162	type = get_token(infile);
		163	done = FALSE;
		164	/*
		165	@canvasdraw
7856	schaersvoo	166	@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	167	@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	168	*/
		169	switch(type){
		170	case END:
		171	finished = 1;
		172	done = TRUE;
		173	break;
		174	case 0:
		175	sync_input(infile);
		176	break;
		177	case COMMENT:
		178	sync_input(infile);
		179	break;
		180	case EMPTY:
		181	sync_input(infile);
		182	break;
		183	case SIZE:
		184	/*
		185	@size width,height
		186	@set canvas size in pixels
		187	@mandatory first command
7647	schaersvoo	188	@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	189	*/
		190	found_size_command = TRUE;
		191	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		192	ysize = (int)(abs(round(get_real(infile,1))));
		193	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		194	xmin = 0;xmax = xsize;
7647	schaersvoo	195	ymin = 0;ymax = ysize;
7614	schaersvoo	196
7856	schaersvoo	197	/*
7614	schaersvoo	198	The sequence in which stuff is finally printed is important !!
		199	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		200	*/
		201	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);
		202	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		203	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729	schaersvoo	204	fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		205	var xsize = %d;\
		206	var ysize = %d;\
7797	schaersvoo	207	var precision = 100;\
7729	schaersvoo	208	var canvas_div = document.getElementById(\"canvas_div%d\");\
		209	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;};\
		210	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	211	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);};};\
		212	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);};};\
		213	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);};};\
		214	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	215	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		216	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		217	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		218	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) ));};\
		219	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	220	var xlogbase = 10;\
		221	var ylogbase = 10;\
7729	schaersvoo	222	var use_xlogscale = 0;\
		223	var use_ylogscale = 0;\
		224	var x_strings = null;\
		225	var y_strings = null;\
		226	var use_pan_and_zoom = 0;\
7784	schaersvoo	227	var x_use_snap_to_grid = 0;\
		228	var y_use_snap_to_grid = 0;\
7858	schaersvoo	229	var use_jsmath = 0;\
7729	schaersvoo	230	var xstart = 0;\
		231	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	232	/* default add the drag code : nearly always used ...*/
		233	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		234	break;
		235	case XRANGE:
		236	/*
		237	@ xrange xmin,xmax
7856	schaersvoo	238	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	239	*/
		240	for(i = 0 ; i<2; i++){
		241	switch(i){
		242	case 0: xmin = get_real(infile,0);break;
		243	case 1: xmax = get_real(infile,1);break;
		244	default: break;
		245	}
		246	}
		247	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		248	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		249	break;
		250	case YRANGE:
		251	/*
		252	@ yrange ymin,ymax
		253	@ if not given 0,ysize (eg in pixels)
		254	*/
		255	for(i = 0 ; i<2; i++){
		256	switch(i){
		257	case 0: ymin = get_real(infile,0);break;
		258	case 1: ymax = get_real(infile,1);break;
		259	default: break;
		260	}
		261	}
		262	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		263	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		264	break;
		265	case TRANGE:
		266	/*
		267	@ trange tmin,tmax
		268	@ default -2,2
		269	*/
		270	use_parametric = TRUE;
		271	for(i = 0 ; i<2; i++){
		272	switch(i){
		273	case 0: tmin = get_real(infile,0);break;
		274	case 1: tmax = get_real(infile,1);break;
		275	default: break;
		276	}
		277	}
		278	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		279	break;
		280	case LINEWIDTH:
		281	/*
		282	@ linewidth int
		283	@ default 1
		284	*/
		285	line_width = (int) (get_real(infile,1));
		286	break;
		287	case ARROWHEAD:
		288	/*
		289	@ arrowhead int
		290	@ default 8 (pixels)
		291	*/
		292	arrow_head = (int) (get_real(infile,1));
		293	break;
		294	case CROSSHAIRSIZE:
		295	/*
		296	@ crosshairsize int
		297	@ default 10 (px)
		298	*/
		299	crosshair_size = (int) (get_real(infile,1));
		300	break;
		301	case CROSSHAIR:
		302	/*
		303	@ crosshair x,y,color
		304	@ draw a single crosshair point at (x;y) in color 'color'
		305	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		306	@ may be set draggable / onclick
		307	*/
		308	for(i=0;i<3;i++){
		309	switch(i){
		310	case 0: double_data[0] = get_real(infile,0);break; /* x */
		311	case 1: double_data[1] = get_real(infile,0);break; /* y */
		312	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		313	decimals = find_number_of_digits(precision);
7785	schaersvoo	314	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	315	click_cnt++;reset();
		316	break;
		317	default:break;
		318	}
		319	}
		320	break;
		321	case CROSSHAIRS:
		322	/*
		323	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		324	@ draw multiple crosshair points at given coordinates in color 'color'
		325	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		326	@ may be set draggable / onclick individually (!)
		327	*/
		328	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		329	fill_color = stroke_color;
		330	i=0;
		331	while( ! done ){ /* get next item until EOL*/
		332	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		333	if(i%2 == 0 ){
		334	double_data[i] = get_real(infile,0); /* x */
		335	}
		336	else
		337	{
		338	double_data[i] = get_real(infile,1); /* y */
		339	}
		340	i++;
		341	}
		342	decimals = find_number_of_digits(precision);
		343	for(c=0 ; c < i-1 ; c = c+2){
7785	schaersvoo	344	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	345	click_cnt++;
		346	}
		347	reset();
		348	break;
		349	case POINT:
		350	/*
		351	@ point x,y,color
		352	@ draw a single point at (x;y) in color 'color'
		353	@ use command 'linewidth int' to adust size
		354	@ may be set draggable / onclick
7856	schaersvoo	355	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	356	*/
		357	for(i=0;i<3;i++){
		358	switch(i){
		359	case 0: double_data[0] = get_real(infile,0);break; /* x */
		360	case 1: double_data[1] = get_real(infile,0);break; /* y */
		361	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		362	decimals = find_number_of_digits(precision);
7785	schaersvoo	363	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	364	click_cnt++;break;
		365	default: break;
		366	}
		367	}
		368	reset();
		369	break;
		370	case POINTS:
		371	/*
7634	schaersvoo	372	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	373	@ draw multiple points at given coordinates in color 'color'
		374	@ use command 'linewidth int' to adust size
		375	@ may be set draggable / onclick individually (!)
		376	*/
		377	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		378	fill_color = stroke_color;
		379	i=0;
		380	while( ! done ){ /* get next item until EOL*/
		381	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		382	if(i%2 == 0 ){
		383	double_data[i] = get_real(infile,0); /* x */
		384	}
		385	else
		386	{
		387	double_data[i] = get_real(infile,1); /* y */
		388	}
		389	i++;
		390	}
7856	schaersvoo	391	decimals = find_number_of_digits(precision);
7614	schaersvoo	392	for(c = 0 ; c < i-1 ; c = c+2){
7785	schaersvoo	393	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	394	click_cnt++;
		395	}
		396	reset();
		397	break;
		398	case SEGMENT:
		399	/*
		400	@ segment x1,y1,x2,y2,color
		401	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		402	@ may be set draggable / onclick
		403	*/
		404	for(i=0;i<5;i++) {
		405	switch(i){
		406	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		407	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		408	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		409	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		410	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		411	decimals = find_number_of_digits(precision);
7785	schaersvoo	412	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	413	click_cnt++;reset();
		414	break;
		415	default: break;
		416	}
		417	}
		418	break;
		419	case LINE:
		420	/*
		421	@ line x1,y1,x2,y2,color
		422	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		423	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		424	@ may be set draggable / onclick
		425	*/
		426	for(i=0;i<5;i++){
		427	switch(i){
		428	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		429	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		430	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		431	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		432	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		433	if( double_data[10] == double_data[12] ){ /* vertical line*/
		434	double_data[1] = xmin;
		435	double_data[3] = ymax;
		436	double_data[0] = double_data[10];
		437	double_data[2] = double_data[10];
		438	}
		439	else
		440	{
		441	if( double_data[11] == double_data[13] ){ /* horizontal line */
		442	double_data[1] = double_data[11];
		443	double_data[3] = double_data[11];
		444	double_data[0] = ymin;
		445	double_data[2] = xmax;
		446	}
		447	else
		448	{
		449	/* m */
		450	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		451	/* q */
		452	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
7856	schaersvoo	453
7614	schaersvoo	454	/xmin,mxmin+q,xmax,mxmax+q/
7856	schaersvoo	455
7614	schaersvoo	456	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		457	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		458	double_data[0] = xmin;
		459	double_data[2] = xmax;
		460	}
		461	}
		462	decimals = find_number_of_digits(precision);
7785	schaersvoo	463	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	464	click_cnt++;reset();
		465	break;
		466	}
		467	}
		468	break;
7856	schaersvoo	469	case HLINE:
7614	schaersvoo	470	/*
		471	@ hline x,y,color
		472	@ draw a horizontal line through point (x:y) in color 'color'
		473	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		474	@ may be set draggable / onclick
		475	*/
		476	for(i=0;i<3;i++) {
		477	switch(i){
		478	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		479	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		480	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		481	double_data[3] = double_data[1];
		482	decimals = find_number_of_digits(precision);
7785	schaersvoo	483	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	484	click_cnt++;reset();
		485	break;
		486	}
		487	}
		488	break;
		489	case VLINE:
		490	/*
		491	@ vline x,y,color
		492	@ draw a vertical line through point (x:y) in color 'color'
		493	@ may be set draggable / onclick
		494	*/
		495	for(i=0;i<3;i++) {
		496	switch(i){
		497	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		498	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		499	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		500	double_data[2] = double_data[0];
		501	decimals = find_number_of_digits(precision);
7785	schaersvoo	502	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	503	click_cnt++;reset();
		504	break;
		505	}
		506	}
		507	break;
		508	case SQUARE:
		509	/*
		510	@ square x,y,side,color
		511	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		512	@ use command 'fsquare x,y,side,color' for a filled square
		513	@ use command/keyword 'filled' before command 'square x,y,side,color'
		514	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		515	@ may be set draggable / onclick
		516	*/
		517	for(i=0;i<5;i++){
		518	switch(i){
		519	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		520	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		521	case 2:double_data[2] = get_real(infile,0);
		522	double_data[3] = double_data[2];
		523	break; /* x-values */
		524	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		525	decimals = find_number_of_digits(precision);
7785	schaersvoo	526	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	527	click_cnt++;reset();
		528	break;
		529	}
		530	}
		531	break;
		532	case ROUNDRECT:
		533	/*
		534	@ roundrect x1,y1,x2,y2,radius,color
		535	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		536	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		537	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		538	@ may be set draggable / onclick
		539	*/
		540	for(i=0;i<6;i++){
		541	switch(i){
		542	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		543	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		544	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		545	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		546	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		547	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		548	decimals = find_number_of_digits(precision);
7785	schaersvoo	549	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	550	click_cnt++;reset();
		551	break;
		552	}
		553	}
		554	break;
		555	case RECT:
		556	/*
		557	@ rect x1,y1,x2,y2,color
		558	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		559	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		560	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		561	@ may be set draggable / onclick
		562	*/
		563	for(i=0;i<5;i++){
		564	switch(i){
		565	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		566	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		567	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		568	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		569	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		570	decimals = find_number_of_digits(precision);
7785	schaersvoo	571	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	572	click_cnt++;reset();
		573	break;
		574	}
		575	}
		576	break;
		577	case POLYLINE:
		578	/*
		579	@ polyline color,x1,y1,x2,y2...x_n,y_n
		580	@ may be set draggable / onclick
		581	*/
		582	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		583	i=0;
		584	c=0;
		585	while( ! done ){ /* get next item until EOL*/
		586	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		587	for( c = 0 ; c < 2; c++){
		588	if(c == 0 ){
		589	double_data[i] = get_real(infile,0);
		590	i++;
		591	}
		592	else
		593	{
		594	double_data[i] = get_real(infile,1);
		595	i++;
		596	}
		597	}
		598	}
		599	/* draw path : not closed & not filled */
		600	decimals = find_number_of_digits(precision);
7785	schaersvoo	601	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	602	click_cnt++;reset();
		603	break;
		604	case POLY:
		605	/*
		606	@ poly color,x1,y1,x2,y2...x_n,y_n
		607	@ draw closed polygon
		608	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		609	@ may be set draggable / onclick
		610	*/
		611	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		612	i=0;
		613	c=0;
		614	while( ! done ){ /* get next item until EOL*/
		615	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		616	for( c = 0 ; c < 2; c++){
		617	if(c == 0 ){
		618	double_data[i] = get_real(infile,0);
		619	i++;
		620	}
		621	else
		622	{
		623	double_data[i] = get_real(infile,1);
		624	i++;
		625	}
		626	}
		627	}
		628	/* draw path : closed & optional filled */
		629	decimals = find_number_of_digits(precision);
7785	schaersvoo	630	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	631	click_cnt++;reset();
		632	break;
7856	schaersvoo	633	case ARC:
7614	schaersvoo	634	/*
		635	@ arc xc,yc,width,height,start_angle,end_angle,color
		636	@ can not be set "onclick" or "drag xy"
		637	@ attention: width == height == radius in pixels)
		638	*/
		639	for(i=0;i<7;i++){
		640	switch(i){
		641	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		642	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		643	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		644	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		645	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		646	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		647	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		648	/* in Shape library:
		649	x[0] = x[1] = xc
		650	y[0] = y[1] = yc
7856	schaersvoo	651	w[0] = w[1] = radius = width = height
		652	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	653	*/
		654	decimals = find_number_of_digits(precision);
7785	schaersvoo	655	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	656	reset();
		657	break;
		658	}
		659	}
		660	break;
		661	case ELLIPSE:
		662	/*
		663	@ ellipse xc,yc,radius_x,radius_y,color
7856	schaersvoo	664	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	665	@ radius_x and radius_y are in pixels
		666	@ may be set draggable / onclick
7856	schaersvoo	667	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	668	*/
		669	for(i=0;i<5;i++){
		670	switch(i){
		671	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		672	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		673	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
7856	schaersvoo	674	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	675	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		676	decimals = find_number_of_digits(precision);
7785	schaersvoo	677	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	678	click_cnt++;reset();
		679	break;
		680	}
		681	}
		682	break;
		683	case DASHTYPE:
		684	/*
		685	@ dashtype int ,int
		686	@ When dashed is set, the objects will be drawn with this dashtyp
		687	@ default value "dashtype 2,2"
		688	*/
		689	for(i=0;i<2;i++){
		690	switch(i){
		691	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		692	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		693	}
		694	}
		695	break;
		696	case CIRCLE:
		697	/*
		698	@ circle xc,yc,width (2*r in pixels),color
		699	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		700	@ use command 'fillcolor color' to set the fillcolor
		701	@ may be set draggable / onclick
7856	schaersvoo	702	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	703	*/
		704	for(i=0;i<4;i++){
		705	switch(i){
		706	case 0: double_data[0] = get_real(infile,0);break; /* x */
		707	case 1: double_data[1] = get_real(infile,0);break; /* y */
		708	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		709	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		710	decimals = find_number_of_digits(precision);
7785	schaersvoo	711	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	712	click_cnt++;reset();
		713	break;
		714	}
		715	}
		716	break;
		717	case RAYS:
		718	/*
		719	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		720	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	721	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	722	*/
		723	stroke_color=get_color(infile,0);
7786	schaersvoo	724	fill_color = stroke_color;
		725	double_data[0] = get_real(infile,0);/* xc */
		726	double_data[1] = get_real(infile,0);/* yc */
		727	i=2;
		728	while( ! done ){ /* get next item until EOL*/
		729	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		730	if(i%2 == 0 ){
		731	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	732	}
7786	schaersvoo	733	else
		734	{
		735	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	736	}
7786	schaersvoo	737	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		738	i++;
7614	schaersvoo	739	}
7856	schaersvoo	740
		741	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		742	decimals = find_number_of_digits(precision);
7786	schaersvoo	743	for(c=2; c<i;c = c+2){
7614	schaersvoo	744	click_cnt++;
7786	schaersvoo	745	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	746	}
		747	reset();
		748	break;
		749	case ARROW:
		750	/*
		751	@ arrow x1,y1,x2,y2,h,color
		752	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		753	@ use command 'linewidth int' to adjust thickness of the arrow
		754	@ may be set draggable / onclick
		755	*/
		756	for(i=0;i<6;i++){
		757	switch(i){
		758	case 0: double_data[0] = get_real(infile,0);break; /* x */
		759	case 1: double_data[1] = get_real(infile,0);break; /* y */
		760	case 2: double_data[2] = get_real(infile,0);break; /* x */
		761	case 3: double_data[3] = get_real(infile,0);break; /* y */
		762	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		763	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		764	decimals = find_number_of_digits(precision);
7785	schaersvoo	765	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	766	click_cnt++;
		767	reset();
		768	break;
		769	}
		770	}
		771	break;
		772	case ARROW2:
		773	/*
		774	@ arrow2 x1,y1,x2,y2,h,color
		775	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		776	@ use command 'arrowhead int' to adjust the arrow head size
		777	@ use command 'linewidth int' to adjust thickness of the arrow
		778	@ may be set draggable / onclick
		779	*/
		780	for(i=0;i<6;i++){
		781	switch(i){
		782	case 0: double_data[0] = get_real(infile,0);break; /* x */
		783	case 1: double_data[1] = get_real(infile,0);break; /* y */
		784	case 2: double_data[2] = get_real(infile,0);break; /* x */
		785	case 3: double_data[3] = get_real(infile,0);break; /* y */
		786	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		787	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		788	decimals = find_number_of_digits(precision);
7785	schaersvoo	789	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	790	click_cnt++;reset();
		791	break;
		792	}
		793	}
		794	break;
7856	schaersvoo	795	case PARALLEL:
7614	schaersvoo	796	/*
		797	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
7856	schaersvoo	798	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	799	*/
		800	for( i = 0;i < 8; i++ ){
		801	switch(i){
		802	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		803	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		804	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		805	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		806	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		807	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		808	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		809	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		810	decimals = find_number_of_digits(precision);
7785	schaersvoo	811	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	812	click_cnt++;reset();
		813	break;
		814	default: break;
		815	}
		816	}
		817	break;
		818	case TRIANGLE:
		819	/*
		820	@triangle x1,y1,x2,y2,x3,y3,color
		821	@may be set draggable / onclic
		822	*/
		823	for(i=0;i<7;i++){
		824	switch(i){
		825	case 0: double_data[0] = get_real(infile,0);break; /* x */
		826	case 1: double_data[1] = get_real(infile,0);break; /* y */
		827	case 2: double_data[2] = get_real(infile,0);break; /* x */
		828	case 3: double_data[3] = get_real(infile,0);break; /* y */
		829	case 4: double_data[4] = get_real(infile,0);break; /* x */
		830	case 5: double_data[5] = get_real(infile,0);break; /* y */
		831	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		832	decimals = find_number_of_digits(precision);
7785	schaersvoo	833	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	834	click_cnt++;reset();
		835	break;
		836	default: break;
		837	}
		838	}
		839	break;
		840	case LATTICE:
		841	/*
		842	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
7856	schaersvoo	843	@can not be set "onclick" or "drag xy"
7614	schaersvoo	844	*/
		845	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		846	for( i = 0; i<9; i++){
		847	switch(i){
		848	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		849	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		850	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		851	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		852	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		853	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		854	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		855	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		856	case 8: stroke_color=get_color(infile,1);
		857	decimals = find_number_of_digits(precision);
		858	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);
		859	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		860	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);
		861	add_to_buffer(tmp_buffer);
		862	break;
		863	default:break;
		864	}
		865	}
		866	reset();
		867	break;
		868	case SNAPTOGRID:
		869	/*
		870	@ snaptogrid
		871	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		872	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	873	@ 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	874	*/
7784	schaersvoo	875	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	876	break;
7784	schaersvoo	877	case XSNAPTOGRID:
		878	/*
		879	@ xsnaptogrid
		880	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		881	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	882	@ if xminor 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 />
7784	schaersvoo	883	*/
		884	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");
		885	break;
		886	case YSNAPTOGRID:
		887	/*
		888	@ ysnaptogrid
		889	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		890	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	891	@ if 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 />
7784	schaersvoo	892	*/
		893	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");
		894	break;
7663	schaersvoo	895	case USERTEXTAREA_XY:
		896	/*
		897	@ usertextarea_xy
7856	schaersvoo	898	@ keyword
7663	schaersvoo	899	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
7856	schaersvoo	900	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	901	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7856	schaersvoo	902	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	903	*/
7856	schaersvoo	904	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		905	add_safe_eval(js_include_file);
7749	schaersvoo	906	use_input_xy = 2;
		907	break;
7652	schaersvoo	908	case USERINPUT_XY:
		909	/*
		910	@ userinput_xy
7856	schaersvoo	911	@ keyword
7652	schaersvoo	912	@ to be used in combination with command "userdraw object_type,color"
7856	schaersvoo	913	@ 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	914	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	915	@ 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	916	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7856	schaersvoo	917	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	918	*/
7749	schaersvoo	919	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	920	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		921	add_safe_eval(js_include_file);
7749	schaersvoo	922	use_input_xy = 1;
		923	break;
7614	schaersvoo	924	case USERDRAW:
		925	/*
		926	@ userdraw object_type,color
7663	schaersvoo	927	@ 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	928	@ 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)
		929	@ 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
7856	schaersvoo	930	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	931	@ 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)
		932	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
7856	schaersvoo	933	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	934	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		935	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7856	schaersvoo	936	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	937	@ 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	938	*/
		939	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		940	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		941	}
		942	use_userdraw = TRUE;
7856	schaersvoo	943	fprintf(js_include_file,"\n<!-- 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	944	draw_type = get_string_argument(infile,0);
		945	stroke_color = get_color(infile,1);
		946	if( strcmp(draw_type,"point") == 0 ){
		947	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		948	if(reply_format < 1 ){reply_format = 8;}
		949	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7856	schaersvoo	950	if(use_input_xy == 1){
7652	schaersvoo	951	add_input_circle(js_include_file,1,1);
		952	add_input_xy(js_include_file,canvas_root_id);
		953	}
7614	schaersvoo	954	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);
		955	}
		956	else
		957	if( strcmp(draw_type,"points") == 0 ){
		958	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		959	if(reply_format < 1 ){reply_format = 8;}
		960	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7856	schaersvoo	961	if(use_input_xy == 1){
7652	schaersvoo	962	add_input_circle(js_include_file,1,2);
		963	add_input_xy(js_include_file,canvas_root_id);
		964	}
7614	schaersvoo	965	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);
		966	}
		967	else
		968	if( strcmp(draw_type,"segment") == 0 ){
		969	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		970	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		971	if(reply_format < 1){reply_format = 11;}
7856	schaersvoo	972	if(use_input_xy == 1){
7652	schaersvoo	973	add_input_segment(js_include_file,1);
		974	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		975	}
7614	schaersvoo	976	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		977	}
		978	else
7663	schaersvoo	979	if( strcmp(draw_type,"polyline") == 0 ){
		980	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	981	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	982	if( use_input_xy == 1 ){
		983	add_input_polyline(js_include_file);
		984	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	985	}
		986	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		987	}
		988	else
7614	schaersvoo	989	if( strcmp(draw_type,"segments") == 0 ){
		990	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		991	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		992	if(reply_format < 1){reply_format = 11;}
7856	schaersvoo	993	if(use_input_xy == 1){
7652	schaersvoo	994	add_input_segment(js_include_file,2);
		995	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		996	}
7614	schaersvoo	997	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		998	}
		999	else
		1000	if( strcmp(draw_type,"circle") == 0 ){
		1001	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1002	if(reply_format < 1){reply_format = 10;}
		1003	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7856	schaersvoo	1004	if(use_input_xy == 1){
7652	schaersvoo	1005	add_input_circle(js_include_file,2,1);
		1006	add_input_xyr(js_include_file,canvas_root_id);
		1007	}
7614	schaersvoo	1008	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]);
		1009	}
		1010	else
		1011	if( strcmp(draw_type,"circles") == 0 ){
		1012	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1013	if(reply_format < 1){reply_format = 10;}
		1014	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1015	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]);
7856	schaersvoo	1016	if(use_input_xy == 1){
7652	schaersvoo	1017	add_input_circle(js_include_file,2,2);
		1018	add_input_xyr(js_include_file,canvas_root_id);
		1019	}
7614	schaersvoo	1020	}
		1021	else
		1022	if(strcmp(draw_type,"crosshair") == 0 ){
		1023	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1024	if(reply_format < 1){reply_format = 8;}
		1025	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1026	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7856	schaersvoo	1027	if(use_input_xy == 1){
7654	schaersvoo	1028	add_input_crosshair(js_include_file,1);
		1029	add_input_xy(js_include_file,canvas_root_id);
		1030	}
7614	schaersvoo	1031	}
		1032	else
		1033	if(strcmp(draw_type,"crosshairs") == 0 ){
		1034	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1035	if(reply_format < 1){reply_format = 8;}
		1036	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1037	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7856	schaersvoo	1038	if(use_input_xy == 1){
7654	schaersvoo	1039	add_input_crosshair(js_include_file,2);
		1040	add_input_xy(js_include_file,canvas_root_id);
		1041	}
7614	schaersvoo	1042	}
		1043	else
		1044	if(strcmp(draw_type,"freehandline") == 0 ){
		1045	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1046	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1047	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	1048	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1049	}
		1050	else
		1051	if(strcmp(draw_type,"freehandlines") == 0 ){
		1052	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1053	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1054	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	1055	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1056	}
		1057	else
		1058	if(strcmp(draw_type,"path") == 0 ){
		1059	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1060	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1061	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	1062	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1063	}
		1064	else
		1065	if(strcmp(draw_type,"paths") == 0 ){
		1066	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1067	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1068	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	1069	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1070	}
		1071	else
		1072	if(strcmp(draw_type,"arrows") == 0 ){
		1073	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1074	if(reply_format < 1){reply_format = 11;}
		1075	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7856	schaersvoo	1076	if(use_input_xy == 1){
7654	schaersvoo	1077	add_input_arrow(js_include_file,2);
		1078	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1079	}
7614	schaersvoo	1080	}
		1081	else
		1082	if(strcmp(draw_type,"arrow") == 0 ){
		1083	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1084	if(reply_format < 1){reply_format = 11;}
		1085	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7856	schaersvoo	1086	if(use_input_xy == 1){
7654	schaersvoo	1087	add_input_arrow(js_include_file,1);
		1088	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1089	}
7614	schaersvoo	1090	}
		1091	else
		1092	if(strcmp(draw_type,"polygon") == 0){
		1093	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1094	if(reply_format < 1){reply_format = 2;}
		1095	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	1096	if( use_input_xy == 2 ){
		1097	add_textarea_polygon(js_include_file);
		1098	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1099	}
7614	schaersvoo	1100	}
7856	schaersvoo	1101	else
7614	schaersvoo	1102	if(strncmp(draw_type,"poly",4) == 0){
		1103	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1104	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1105	if(reply_format < 1){reply_format = 2;}
		1106	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	1107	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1108	}
7856	schaersvoo	1109	else
7614	schaersvoo	1110	if(strcmp(draw_type,"triangle") == 0){
		1111	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1112	if(reply_format < 1){reply_format = 2;}
		1113	add_js_poly(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652	schaersvoo	1114	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1115	}
7856	schaersvoo	1116	else
7614	schaersvoo	1117	if( strcmp(draw_type,"line") == 0 ){
		1118	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1119	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1120	if(reply_format < 1){reply_format = 11;}
		1121	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1122	if( use_input_xy == 1 ){
7780	schaersvoo	1123	add_input_line(js_include_file,1);
7747	schaersvoo	1124	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1125	}
7614	schaersvoo	1126	}
		1127	else
		1128	if( strcmp(draw_type,"lines") == 0 ){
		1129	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1130	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1131	if(reply_format < 1){reply_format = 11;}
		1132	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1133	if( use_input_xy == 1 ){
7780	schaersvoo	1134	add_input_line(js_include_file,2);
7747	schaersvoo	1135	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1136	}
7614	schaersvoo	1137	}
		1138	else
		1139	if( strcmp(draw_type,"rects") == 0){
		1140	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1141	if(reply_format < 1){reply_format = 2;}
		1142	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	1143	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1144	}
7856	schaersvoo	1145	else
7614	schaersvoo	1146	if( strcmp(draw_type,"roundrects") == 0){
		1147	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1148	if(reply_format < 1){reply_format = 2;}
		1149	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	1150	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1151	}
7856	schaersvoo	1152	else
7614	schaersvoo	1153	if( strcmp(draw_type,"rect") == 0){
		1154	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1155	if(reply_format < 1){reply_format = 2;}
		1156	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	1157	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1158	}
7856	schaersvoo	1159	else
7614	schaersvoo	1160	if( strcmp(draw_type,"roundrect") == 0){
		1161	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1162	if(reply_format < 1){reply_format = 2;}
		1163	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	1164	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1165	}
		1166	else
		1167	if( strcmp(draw_type,"text") == 0){
7856	schaersvoo	1168	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1169	if(reply_format < 1){reply_format = 17;}
		1170	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	1171	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1172	}
7856	schaersvoo	1173	else
7614	schaersvoo	1174	{
		1175	canvas_error("unknown drawtype or typo? ");
		1176	}
		1177	reset();
		1178	break;
		1179	case PLOTSTEPS:
		1180	/*
		1181	@ plotsteps a_number
		1182	@ default 150
		1183	@ use with care !
		1184	*/
		1185	plot_steps = (int) (get_real(infile,1));
		1186	break;
		1187	case FONTSIZE:
		1188	/*
		1189	@fontsize font_size
		1190	@default value 12
		1191	*/
		1192	font_size = (int) (get_real(infile,1));
		1193	break;
		1194	case FONTCOLOR:
		1195	/*
		1196	@fontcolor color
		1197	@color: hexcolor or colorname
		1198	@default: black
		1199	@example usage: x/y-axis text
		1200	*/
		1201	font_color = get_color(infile,1);
		1202	break;
		1203	case ANIMATE:
		1204	/*
		1205	@animate type
		1206	@type may be "point" (nothing else , yet...)
		1207	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1208	@will animate a point on the next plot/curve command
		1209	@the curve will not be draw
		1210	@moves repeatedly from xmin to xmax
		1211	*/
		1212	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1213	break;
7788	schaersvoo	1214	case LEVELCURVE:
		1215	/*
		1216	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1217	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1218	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1219	@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
		1220	@note : the arrays for holding the javascript data are limited in size
		1221	@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	1222	*/
7792	schaersvoo	1223	fill_color = get_color(infile,0);
7788	schaersvoo	1224	char *fun1 = get_string_argument(infile,0);
		1225	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1226	i = 0;
		1227	done = FALSE;
		1228	while( !done ){
		1229	double_data[i] = get_real(infile,1);
		1230	i++;
		1231	}
		1232	for(c = 0 ; c < i; c++){
		1233	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);
		1234	click_cnt++;
		1235	}
		1236	reset();
		1237	break;
7858	schaersvoo	1238	case TRACE_JSCURVE:
7823	schaersvoo	1239	/*
7858	schaersvoo	1240	@trace_jscurve some_math_function
7823	schaersvoo	1241	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1242	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
		1243	@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	1244	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1245	@the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath : use 2*x in stead of 2x etc etc<br />no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7823	schaersvoo	1246	*/
		1247	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1248	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1249	if( use_js_math == FALSE){
		1250	add_to_js_math(js_include_file);
		1251	use_js_math = TRUE;
		1252	}
7823	schaersvoo	1253	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);
		1254	break;
		1255	case JSMATH:
		1256	/*
7858	schaersvoo	1257	@jsmath some_math_function
7856	schaersvoo	1258	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
		1259	@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
7858	schaersvoo	1260	@example: jsmath sin(x^2)
		1261	@the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath : use 2*x in stead of 2x etc etc<br />no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7823	schaersvoo	1262	*/
		1263	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1264	if( use_js_math == FALSE){
		1265	add_to_js_math(js_include_file);
		1266	use_js_math = TRUE;
		1267	}
7823	schaersvoo	1268	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1269	break;
7858	schaersvoo	1270	case JSCURVE:
		1271	/*
		1272	@jscurve color,formula(x)
		1273	@your function will be plotted by the javascript engine of the client browser.
		1274	@use parenthesis and rawmath : use 2*x in stead of 2x ; use 2^(sin(x))...etc etc<br />use error console to debug any errors...
		1275	@no validity check is done by wims.
		1276	@zooming & panning are implemented :<br />use command 'zoom color' for mouse driven zooming<br />or use keyword 'setlimits' for inputfields setting xmin/xmax, ymin/ymax
		1277	@use command 'trace_jscurve formula(x)` for tracing
		1278	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1279	@can not be set draggable / onclick (yet)
		1280	@commands plotjump / plotstep are not active for 'jscurve'
		1281	*/
		1282	stroke_color = get_color(infile,0);
		1283	if( use_js_math == FALSE){/* add this stuff only once...*/
		1284	add_to_js_math(js_include_file);
		1285	use_js_math = TRUE;
		1286	}
		1287	if( use_js_plot == FALSE){
		1288	use_js_plot = TRUE;
		1289	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1290	}
		1291	temp = get_string_argument(infile,1);
		1292	string_length = snprintf(NULL,0, "jsplot(%d,\"%s\",%d,\"%s\",%.2f,%d,%d,%d); ",JSPLOT_CANVAS+use_js_plot,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1293	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1294	snprintf(tmp_buffer,string_length,"jsplot(%d,\"%s\",%d,\"%s\",%.2f,%d,%d,%d); ",JSPLOT_CANVAS+use_js_plot,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1295	add_to_buffer(tmp_buffer);
		1296	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1297
		1298	break;
7614	schaersvoo	1299	case CURVE:
		1300	/*
		1301	@curve color,formula(x)
		1302	@plot color,formula(x)
		1303	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1304	@use command "precision" to increase the number of digits of the plotted points
		1305	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1306	@may be set draggable / onclick
		1307	*/
		1308	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1309	use_parametric = FALSE;
		1310	stroke_color = get_color(infile,0);
		1311	char *fun1 = get_string_argument(infile,0);
		1312	char *fun2 = get_string_argument(infile,1);
		1313	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1314	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	1315	click_cnt++;
		1316	}
		1317	else
		1318	{
		1319	stroke_color = get_color(infile,0);
		1320	char *fun1 = get_string_argument(infile,1);
7856	schaersvoo	1321	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1322	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	1323	click_cnt++;
		1324	}
7788	schaersvoo	1325	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1326	reset();
		1327	break;
		1328	case FLY_TEXT:
		1329	/*
		1330	@ text fontcolor,x,y,font,text_string
		1331	@ font may be described by keywords : giant,huge,normal,small,tiny
7856	schaersvoo	1332	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1333	@ may be set "onclick" or "drag xy"
		1334	@ backwards compatible with flydraw
		1335	@ unicode supported: text red,0,0,huge,\\u2232
		1336	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1337	@ 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.
		1338	*/
		1339	for(i = 0; i < 5 ;i++){
		1340	switch(i){
		1341	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1342	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1343	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1344	case 3: fly_font = get_string_argument(infile,0);
		1345	if(strcmp(fly_font,"giant") == 0){
		1346	font_size = (int)(font_size + 24);
		1347	}
		1348	else
		1349	{
		1350	if(strcmp(fly_font,"huge") == 0){
		1351	font_size = (int)(font_size + 14);
		1352	}
		1353	else
		1354	{
		1355	if(strcmp(fly_font,"large") == 0){
		1356	font_size = (int)(font_size + 6);
		1357	}
		1358	else
		1359	{
		1360	if(strcmp(fly_font,"small") == 0){
		1361	font_size = (int)(font_size - 4);
		1362	if(font_size<0){font_size = 8;}
		1363	}
		1364	}
		1365	}
		1366	}
		1367	break; /* font_size ! */
7856	schaersvoo	1368	case 4:
7614	schaersvoo	1369	temp = get_string_argument(infile,1);
		1370	decimals = find_number_of_digits(precision);
7785	schaersvoo	1371	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	1372	click_cnt++;reset();break;
		1373	default:break;
		1374	}
		1375	}
		1376	break;
		1377	case FLY_TEXTUP:
		1378	/*
		1379	@ textup fontcolor,x,y,font,text_string
		1380	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1381	@ font may be described by keywords : giant,huge,normal,small,tiny
7856	schaersvoo	1382	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1383	@ backwards compatible with flydraw
		1384	@ unicode supported: textup red,0,0,huge,\\u2232
		1385	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1386	@ 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.
		1387	*/
7856	schaersvoo	1388	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1389	for(i = 0; i<5 ;i++){
		1390	switch(i){
		1391	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1392	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1393	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1394	case 3: fly_font = get_string_argument(infile,0);
		1395	if(strcmp(fly_font,"giant") == 0){
		1396	font_size = (int)(font_size + 24);
		1397	}
		1398	else
		1399	{
		1400	if(strcmp(fly_font,"huge") == 0){
		1401	font_size = (int)(font_size + 14);
		1402	}
		1403	else
		1404	{
		1405	if(strcmp(fly_font,"large") == 0){
		1406	font_size = (int)(font_size + 6);
		1407	}
		1408	else
		1409	{
		1410	if(strcmp(fly_font,"small") == 0){
		1411	font_size = (int)(font_size - 4);
		1412	if(font_size<0){font_size = 8;}
		1413	}
		1414	}
		1415	}
		1416	}
		1417	break; /* font_size ! */
7856	schaersvoo	1418	case 4:
7614	schaersvoo	1419	decimals = find_number_of_digits(precision);
		1420	temp = get_string_argument(infile,1);
		1421	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);
		1422	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1423	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);
		1424	add_to_buffer(tmp_buffer);
		1425	break;
		1426	default:break;
		1427	}
		1428	}
		1429	reset();
		1430	break;
		1431	case FONTFAMILY:
		1432	/*
		1433	@ fontfamily font_description
		1434	@ set the font family; for browsers that support it
		1435	@ font_description: Ariel ,Courier, Helvetica etc
		1436	@ 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
		1437	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1438	*/
		1439	font_family = get_string(infile,1);
		1440	break;
		1441	case STRINGUP:
7856	schaersvoo	1442	/*
		1443	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1444	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1445	@ unicode supported: stringup red,0,0,45,\\u2232
		1446	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1447
		1448	*/
		1449	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1450	for(i=0;i<6;i++){
		1451	switch(i){
		1452	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1453	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1454	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1455	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1456	case 4: decimals = find_number_of_digits(precision);
		1457	temp = get_string_argument(infile,1);
		1458	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);
		1459	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1460	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);
		1461	add_to_buffer(tmp_buffer);
		1462	break;
		1463	default:break;
		1464	}
		1465	}
		1466	reset();
		1467	break;
		1468	case STRING:
7856	schaersvoo	1469	/*
7614	schaersvoo	1470	@ string color,x,y,the text string
		1471	@ may be set "onclick" or "drag xy"
		1472	@ unicode supported: string red,0,0,\\u2232
7856	schaersvoo	1473	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1474	*/
		1475	for(i=0;i<5;i++){
		1476	switch(i){
		1477	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1478	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1479	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1480	case 3: decimals = find_number_of_digits(precision);
		1481	temp = get_string_argument(infile,1);
		1482	decimals = find_number_of_digits(precision);
7785	schaersvoo	1483	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	1484	click_cnt++;reset();break;
		1485	break;
		1486	default:break;
		1487	}
		1488	}
		1489	break;
		1490	case MATHML:
		1491	/*
		1492	@ mathml x1,y1,x2,y2,mathml_string
7856	schaersvoo	1493	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1494	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
7856	schaersvoo	1495	@ 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	1496	@ 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....
7856	schaersvoo	1497
7614	schaersvoo	1498	*/
		1499	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1500	for(i=0;i<5;i++){
		1501	switch(i){
		1502	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1503	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1504	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1505	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1506	case 4: decimals = find_number_of_digits(precision);
7856	schaersvoo	1507	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1508	temp = get_string(infile,1);
		1509	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1510	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);
		1511	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1512	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);
		1513	add_to_buffer(tmp_buffer);
7856	schaersvoo	1514	/*
		1515	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1516	if no other reply_format is defined
		1517	note: all other reply types will include a reading of elements with id='mathml'+p)
		1518	*/
		1519	if(strstr(temp,"mathml0") != NULL){
		1520	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1521	}
		1522	break;
		1523	default:break;
		1524	}
		1525	}
		1526	reset();
		1527	break;
		1528	case HTTP:
		1529	/*
		1530	@http x1,y1,x2,y2,http://some_adress.com
7856	schaersvoo	1531	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1532	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1533	@can not be 'set onclick' or 'drag xy'
		1534	*/
7856	schaersvoo	1535	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1536	for(i=0;i<5;i++){
		1537	switch(i){
		1538	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1539	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1540	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1541	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1542	case 4: decimals = find_number_of_digits(precision);
		1543	temp = get_string(infile,1);
		1544	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1545	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);
		1546	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1547	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);
		1548	add_to_buffer(tmp_buffer);
		1549	break;
		1550	}
		1551	}
		1552	reset();
		1553	break;
		1554	case HTML:
		1555	/*
		1556	@ html x1,y1,x2,y2,html_string
		1557	@ all tags are allowed
		1558	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1559	@ 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.
7856	schaersvoo	1560
7614	schaersvoo	1561	note: uses the same code as 'mathml'
		1562	*/
		1563	break;
		1564	case X_AXIS_STRINGS:
		1565	/*
		1566	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1567	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1568	@ use these x-axis values in stead of default xmin...xmax
		1569	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1570	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1571	@ 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
		1572	@ 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
		1573	*/
		1574	temp = get_string(infile,1);
		1575	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1576	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1577	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1578	use_axis_numbering = 1;
		1579	break;
		1580	case Y_AXIS_STRINGS:
		1581	/*
		1582	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1583	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1584	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1585	@ use these y-axis values in stead of default ymin...ymax
		1586	@ 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
		1587	*/
		1588	temp = get_string(infile,1);
		1589	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1590	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1591	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1592	use_axis_numbering = 1;
		1593	break;
7856	schaersvoo	1594
7614	schaersvoo	1595	case AXIS_NUMBERING:
		1596	/*
7856	schaersvoo	1597	@ axisnumbering
7614	schaersvoo	1598	@ keyword, no aguments required
		1599	*/
		1600	use_axis_numbering = 1;
		1601	break;
		1602	case AXIS:
		1603	/*
		1604	@ axis
		1605	@ keyword, no aguments required
		1606
		1607	*/
		1608	use_axis = TRUE;
		1609	break;
7654	schaersvoo	1610	case SGRAPH:
		1611	/*
		1612	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1613	@ primitive implementation of a 'broken scale' graph...
		1614	@ not very versatile.
		1615	@ 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
		1616	*/
7856	schaersvoo	1617	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	1618	for(i = 0 ; i < 8 ;i++){
		1619	switch(i){
		1620	case 0:double_data[0] = get_real(infile,0);break;
		1621	case 1:double_data[1] = get_real(infile,0);break;
		1622	case 2:double_data[2] = get_real(infile,0);break;
		1623	case 3:double_data[3] = get_real(infile,0);break;
		1624	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1625	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1626	case 6:stroke_color = get_color(infile,0);break;
		1627	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1628	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	1629	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1630	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	1631	add_to_buffer(tmp_buffer);
		1632	break;
		1633	default:break;
		1634	}
		1635	}
		1636	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1637	break;
7614	schaersvoo	1638	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1639	/*
		1640	@ grid step_x,step_y,gridcolor
		1641	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1642	@ 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	1643	@ 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	1644	@ can not be set "onclick" or "drag xy"
		1645	@ 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')
		1646	@ 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')
		1647	@ 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')
		1648	*/
7729	schaersvoo	1649	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1650	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1651	for(i=0;i<4;i++){
		1652	switch(i){
		1653	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1654	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1655	case 2:
		1656	if( use_axis == TRUE ){
		1657	stroke_color = get_color(infile,0);
		1658	done = FALSE;
		1659	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1660	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1661	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1662	fill_color = get_color(infile,1); /* used as axis_color*/
		1663	}
		1664	else
		1665	{
		1666	int_data[0] = 1;
		1667	int_data[1] = 1;
		1668	stroke_color = get_color(infile,1);
		1669	fill_color = stroke_color;
		1670	}
		1671	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	1672	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1673	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	1674	/* 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){ */
		1675
		1676	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);
		1677	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1678	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);
		1679	add_to_buffer(tmp_buffer);
		1680	break;
		1681	}
		1682	}
		1683	reset();
		1684	break;
		1685	case OPACITY:
		1686	/*
		1687	@ opacity 0-255,0-255
		1688	@
		1689	*/
		1690	for(i = 0 ; i<2;i++){
		1691	switch(i){
		1692	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1693	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1694	default: break;
		1695	}
		1696	}
		1697	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 ? */
		1698	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1699	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1700	break;
		1701	case ROTATE:
		1702	/*
		1703	@rotate rotation_angle
		1704	@
		1705	*/
		1706	use_rotate = TRUE;
		1707	use_translate = TRUE;
		1708	translate_x = x2px(0);
		1709	translate_y = y2px(0);
		1710	angle = get_real(infile,1);
		1711	break;
7785	schaersvoo	1712	case KILLAFFINE:
		1713	/*
		1714	@ killaffine
		1715	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1716	*/
		1717	use_affine = FALSE;
7856	schaersvoo	1718	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	1719	break;
		1720	case AFFINE:
		1721	/*
		1722	@affine a,b,c,d,tx,ty
7856	schaersvoo	1723	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	1724	@ use keyword 'killaffine' to end the transformation
		1725	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1726	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1727	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1728	@ a : Scales the drawings horizontally
		1729	@ b : Skews the drawings horizontally
		1730	@ c : Skews the drawings vertically
		1731	@ d : Scales the drawings vertically
7786	schaersvoo	1732	@ tx: Moves the drawings horizontally in pixels !
		1733	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1734	*/
		1735	for(i = 0 ; i<6;i++){
		1736	switch(i){
		1737	case 0: double_data[0] = get_real(infile,0);break;
		1738	case 1: double_data[1] = get_real(infile,0);break;
		1739	case 2: double_data[2] = get_real(infile,0);break;
		1740	case 3: double_data[3] = get_real(infile,0);break;
		1741	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1742	case 5: int_data[1] = (int)(get_real(infile,1));
		1743	use_affine = TRUE;
		1744	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]);
		1745	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
7856	schaersvoo	1746	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	1747	break;
		1748	default: break;
		1749	}
		1750	}
		1751	break;
7614	schaersvoo	1752	case KILLTRANSLATION:
		1753	/*
		1754	killtranslation
		1755	*/
		1756	break;
		1757	case TRANSLATION:
		1758	/*
		1759	@translation tx,ty
		1760	@
		1761	*/
		1762	use_translate = TRUE;
		1763	translate_x = get_real(infile,0);
		1764	translate_y = get_real(infile,1);
		1765	break;
		1766	case DASHED:
		1767	/*
		1768	@ keyword "dashed"
		1769	@ next object will be drawn with a dashed line
		1770	@ change dashing scheme by using command "dashtype int,int)
		1771	*/
		1772	use_dashed = TRUE;
		1773	break;
		1774	case FILLED:
		1775	/*
7856	schaersvoo	1776	@ keyword "filled"
		1777	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	1778	@ use command "fillcolor color" to set fillcolor
		1779	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1780	@ 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 !
		1781	*/
		1782	use_filled = TRUE;
		1783	break;
		1784	case STYLE:
		1785	/*
		1786	@highlight color,opacity,linewidth
		1787	@ NOT IMPLEMENTED
		1788	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1789	*/
		1790	break;
		1791	case FILLCOLOR:
		1792	/*
		1793	@ fillcolor colorname or #hex
		1794	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1795	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1796	*/
		1797	fill_color = get_color(infile,1);
		1798	break;
		1799	case STROKECOLOR:
		1800	/*
		1801	@ strokecolor colorname or #hex
		1802	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1803	*/
		1804	stroke_color = get_color(infile,1);
		1805	break;
7856	schaersvoo	1806	case BGIMAGE:
7614	schaersvoo	1807	/*
		1808	@bgimage image_location
		1809	@use an image as background .<br />(we use the background of 'canvas_div' )
		1810	@the background image will be resized to match "width = xsize" and "height = ysize"
		1811	*/
		1812	URL = get_string(infile,1);
		1813	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);
		1814	break;
7856	schaersvoo	1815	case BGCOLOR:
7614	schaersvoo	1816	/*
		1817	@bgcolor colorname or #hex
		1818	@use this color as background of the "div" containing the canvas(es)
		1819	*/
		1820	/* [255,255,255]*/
		1821	bgcolor = get_string(infile,1);
		1822	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1823	int found = 0;
		1824	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1825	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1826	bgcolor = colors[i].hex;
		1827	found = 1;
		1828	break;
		1829	}
		1830	}
		1831	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1832	}
		1833	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1834	break;
		1835	case COPY:
		1836	/*
		1837	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1838	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1839	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
7856	schaersvoo	1840	@ [filename] is the URL of the image
7614	schaersvoo	1841	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1842	@ 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
7856	schaersvoo	1843	@ 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	1844
		1845	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1846	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1847	*/
		1848	for(i = 0 ; i<7;i++){
		1849	switch(i){
		1850	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1851	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1852	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1853	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1854	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1855	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1856	case 6: URL = get_string(infile,1);
		1857	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1858	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1859	if( drag_type > -1 ){
		1860	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1861	if(reply_format < 1 ){reply_format = 20;}
		1862	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);
		1863	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7856	schaersvoo	1864	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	1865	drag_type = -1;
		1866	ext_img_cnt++;
		1867	}
		1868	else
		1869	{
		1870	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1871	/*
		1872	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1873	*/
		1874	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]);
		1875	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1876	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]);
		1877	}
		1878	add_to_buffer(tmp_buffer);
		1879	break;
		1880	default: break;
		1881	}
		1882	}
		1883	reset();
		1884	break;
		1885	/*
		1886	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1887	img Specifies the image, canvas, or video element to use
		1888	sx The x coordinate where to start clipping : x1 = int_data[0]
		1889	sy The y coordinate where to start clipping : x2 = int_data[1]
7856	schaersvoo	1890	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	1891	sheight The height of the clipped image : int_data[3] - int_data[1]
		1892	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1893	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1894	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1895	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1896	*/
		1897	case COPYRESIZED:
		1898	/*
		1899	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
7856	schaersvoo	1900	@ 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	1901	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1902	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1903	@ 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
7856	schaersvoo	1904	@ 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	1905	*/
		1906	for(i = 0 ; i<9;i++){
		1907	switch(i){
		1908	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1909	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1910	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1911	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1912	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1913	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1914	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1915	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1916	case 8: URL = get_string(infile,1);
		1917	if( drag_type > -1 ){
		1918	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1919	if(reply_format < 1 ){reply_format = 20;}
		1920	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);
		1921	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1922	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);
		1923	drag_type = -1;
		1924	ext_img_cnt++;
		1925	}
		1926	else
		1927	{
		1928	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1929	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]);
		1930	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1931	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]);
		1932	}
		1933	add_to_buffer(tmp_buffer);
		1934	default: break;
		1935	}
		1936	}
		1937	reset();
		1938	break;
		1939	case BUTTON:
		1940	/*
		1941	button x,y,value
		1942	*/
		1943	break;
		1944	case INPUTSTYLE:
		1945	/*
		1946	@ inputstyle style_description
		1947	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1948	*/
		1949	input_style = get_string(infile,1);
		1950	break;
		1951	case INPUT:
7856	schaersvoo	1952	/*
7614	schaersvoo	1953	@ input x,y,size,editable,value
7856	schaersvoo	1954	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	1955	@ only active inputfields (editable = 1) will be read with read_canvas();
		1956	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1957	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1958	*/
7856	schaersvoo	1959	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	1960	for(i = 0 ; i<5;i++){
		1961	switch(i){
		1962	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1963	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1964	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1965	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
7856	schaersvoo	1966	case 4:
7614	schaersvoo	1967	temp = get_string_argument(infile,1);
		1968	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);
		1969	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1970	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);
		1971	add_to_buffer(tmp_buffer);
		1972	input_cnt++;break;
		1973	default: break;
		1974	}
		1975	}
		1976	if(reply_format < 1 ){reply_format = 15;}
		1977	reset();
		1978	break;
		1979	case TEXTAREA:
7856	schaersvoo	1980	/*
7614	schaersvoo	1981	@ textarea x,y,cols,rows,readonly,value
		1982	@ may be further controlled by "inputstyle"
		1983	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1984	*/
7856	schaersvoo	1985	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	1986	for(i = 0 ; i<6;i++){
		1987	switch(i){
		1988	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1989	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1990	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1991	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1992	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1993	case 5: temp = get_string_argument(infile,1);
		1994	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);
		1995	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1996	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);
		1997	add_to_buffer(tmp_buffer);
		1998	input_cnt++;break;
		1999	default: break;
		2000	}
		2001	}
		2002	if(reply_format < 1 ){reply_format = 15;}
		2003	reset();
		2004	break;
		2005	case MOUSE_PRECISION:
		2006	/*
		2007	@ precision int
		2008	@ 10 = 1 decimal ; 100 = 2 decimals etc
		2009	@ may be used / changed before every object
		2010	*/
		2011	precision = (int) (get_real(infile,1));
		2012	break;
7838	schaersvoo	2013	case SETLIMITS:
		2014	/*
7856	schaersvoo	2015	@setlimits
7838	schaersvoo	2016	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2017	@may be used for inputfield based zooming / panning
7858	schaersvoo	2018	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
7856	schaersvoo	2019	@note:the input value will not be checked on validity
7838	schaersvoo	2020	*/
		2021	add_setlimits(js_include_file,canvas_root_id);
		2022	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2023	use_pan_and_zoom = TRUE;
		2024	done = TRUE;
		2025	break;
7614	schaersvoo	2026	case ZOOM:
		2027	/*
		2028	@ zoom button_color
		2029	@ introduce a controlpanel at the lower right corner
		2030	@ 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
		2031	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2032	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
7856	schaersvoo	2033	@ command 'opacity' may be used to set stroke_opacity of 'buttons
7614	schaersvoo	2034	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2035	@ 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 !!
		2036	*/
7653	schaersvoo	2037	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2038	use_pan_and_zoom = TRUE;
7614	schaersvoo	2039	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		2040	/* we use BG_CANVAS (0) */
		2041	stroke_color = get_color(infile,1);
7653	schaersvoo	2042	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2043	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	2044	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2045	add_to_buffer(tmp_buffer);
		2046	done = TRUE;
		2047	break;
		2048	case ONCLICK:
		2049	/*
		2050	@ onclick
		2051	@ keyword, no arguments
		2052	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
7856	schaersvoo	2053	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7614	schaersvoo	2054	@ NOTE: not all objects may be set clickable
		2055	*/
7856	schaersvoo	2056
7614	schaersvoo	2057	onclick = 1;
		2058	break;
		2059	case DRAG:
		2060	/*
		2061	@ drag [x][y][xy]
		2062	@ the next object will be draggable in x / y / xy direction
		2063	@ the displacement can be read by 'javascript:read_dragdrop();'
7856	schaersvoo	2064	@ 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	2065	@ 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 !!
		2066	*/
		2067	temp = get_string(infile,1);
7856	schaersvoo	2068	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2069	drag_type = 0;
		2070	}
		2071	else
		2072	{
7856	schaersvoo	2073	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2074	drag_type = 1;
		2075	}
		2076	else
		2077	{
		2078	drag_type = 2;
		2079	}
		2080	}
		2081	onclick = 2;
		2082	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2083	break;
		2084	case BLINK:
		2085	/*
		2086	@ blink time(seconds)
		2087	@ NOT IMPLEMETED -YET
		2088	*/
		2089	break;
		2090	case MOUSE:
		2091	/*
		2092	@ mouse color,fontsize
		2093	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2094	*/
		2095	stroke_color = get_color(infile,0);
		2096	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2097	tmp_buffer = my_newmem(26);
		2098	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7614	schaersvoo	2099	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2100	break;
		2101	case INTOOLTIP:
		2102	/*
		2103	@ intooltip link_text
		2104	@ link_text is a single line (span-element)
		2105	@ link_text may also be an image URL http://some_server/images/my_image.png
		2106	@ link_text may contain HTML markup
		2107	@ the canvas will be displayed in a tooltip on 'link_text'
		2108	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2109	*/
7823	schaersvoo	2110	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2111	use_tooltip = TRUE;
		2112	tooltip_text = get_string(infile,1);
		2113	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2114	break;
		2115	case AUDIO:
		2116	/*
		2117	@ audio x,y,w,h,loop,visible,audiofile location
		2118	@ x,y : left top corner of audio element (in xrange / yrange)
		2119	@ w,y : width and height in pixels
		2120	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2121	@ visible : 0 or 1 (1 = show controls)
		2122	@ audio format may be in .mp3 or .ogg
		2123	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2124	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2125	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2126	@ 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 />
		2127	*/
		2128	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2129	for(i=0;i<7;i++){
		2130	switch(i){
		2131	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2132	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2133	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2134	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2135	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2136	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
7856	schaersvoo	2137	case 6:
7614	schaersvoo	2138	temp = get_string(infile,1);
		2139	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2140	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2141	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);
		2142	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2143	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);
		2144	add_to_buffer(tmp_buffer);
		2145	break;
		2146	default:break;
		2147	}
		2148	}
		2149	reset();
		2150	break;
		2151	case VIDEO:
		2152	/*
		2153	@ video x,y,w,h,videofile location
		2154	@ x,y : left top corner of audio element (in xrange / yrange)
		2155	@ w,y : width and height in pixels
		2156	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2157	@ video format may be in *.mp4 (todo:other formats)
		2158	*/
		2159	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2160	for(i=0;i<5;i++){
		2161	switch(i){
		2162	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2163	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2164	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2165	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2166	case 4: temp = get_string(infile,1);
		2167	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);
		2168	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2169	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);
		2170	add_to_buffer(tmp_buffer);
		2171	break;
		2172	default:break;
		2173	}
		2174	}
		2175	reset();
		2176	break;
		2177	case HATCHFILL:
		2178	/*
		2179	@ hatchfill x0,y0,dx,dy,color
		2180	@ x0,y0 in xrange / yrange
		2181	@ distances dx,dy in pixels
		2182	*/
		2183	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2184	for(i=0;i<5;i++){
		2185	switch(i){
		2186	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2187	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2188	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2189	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2190	case 4: stroke_color = get_color(infile,1);
		2191	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2192	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);
		2193	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2194	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);
		2195	add_to_buffer(tmp_buffer);
		2196	break;
		2197	default:break;
		2198	}
		2199	}
		2200	reset();
		2201	break;
7647	schaersvoo	2202	case DIAMONDFILL:
		2203	/*
		2204	@ diamondfill x0,y0,dx,dy,color
		2205	@ x0,y0 in xrange / yrange
		2206	@ distances dx,dy in pixels
		2207	*/
		2208	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2209	for(i=0;i<5;i++){
		2210	switch(i){
		2211	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2212	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2213	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2214	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2215	case 4: stroke_color = get_color(infile,1);
		2216	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2217	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);
		2218	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2219	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);
		2220	add_to_buffer(tmp_buffer);
		2221	break;
		2222	default:break;
		2223	}
		2224	}
		2225	reset();
		2226	break;
7614	schaersvoo	2227	case GRIDFILL:
		2228	/*
		2229	@ gridfill x0,y0,dx,dy,color
		2230	@ x0,y0 in xrange / yrange
		2231	@ distances dx,dy in pixels
		2232	*/
		2233	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2234	for(i=0;i<5;i++){
		2235	switch(i){
		2236	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2237	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2238	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2239	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2240	case 4: stroke_color = get_color(infile,1);
		2241	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2242	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);
		2243	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2244	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);
		2245	add_to_buffer(tmp_buffer);
		2246	break;
		2247	default:break;
		2248	}
		2249	}
		2250	reset();
		2251	break;
		2252	case DOTFILL:
		2253	/*
		2254	@ dotfill x0,y0,dx,dy,color
		2255	@ x0,y0 in xrange / yrange
		2256	@ distances dx,dy in pixels
		2257	@ radius of dots is linewidth
		2258	*/
		2259	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2260	for(i=0;i<5;i++){
		2261	switch(i){
		2262	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2263	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2264	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2265	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2266	case 4: stroke_color = get_color(infile,1);
		2267	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2268	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);
		2269	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2270	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);
		2271	add_to_buffer(tmp_buffer);
		2272	break;
		2273	default:break;
		2274	}
		2275	}
		2276	reset();
		2277	break;
		2278	case IMAGEFILL:
		2279	/*
		2280	@ imagefill dx,dy,image_url
		2281	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2282	@ After pattern filling ,the fill-color should be reset !
		2283	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2284	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2285	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2286	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2287	*/
		2288	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2289	for(i=0 ;i < 3 ; i++){
		2290	switch(i){
		2291	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2292	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2293	case 2: URL = get_string_argument(infile,1);
		2294	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);
		2295	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2296	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);
		2297	add_to_buffer(tmp_buffer);
		2298	break;
		2299	}
		2300	}
		2301	break;
		2302	case FILLTOBORDER:
		2303	/*
		2304	@ filltoborder x,y,bordercolor,color
7856	schaersvoo	2305	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2306	@ any other color will not act as border to the bucket fill
		2307	@ use this command after all boundary objects are declared.
		2308	@ 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..
		2309	*/
		2310	for(i=0 ;i < 4 ; i++){
		2311	switch(i){
		2312	case 0:double_data[0] = get_real(infile,0);break;
		2313	case 1:double_data[1] = get_real(infile,0);break;
		2314	case 2:bgcolor = get_color(infile,0);break;
		2315	case 3:fill_color = get_color(infile,1);
		2316	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2317	js_function[DRAW_FILLTOBORDER] = 1;
		2318	add_js_filltoborder(js_include_file,canvas_root_id);
		2319	}
		2320	decimals = find_number_of_digits(precision);
		2321	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));
		2322	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2323	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));
		2324	add_to_buffer(tmp_buffer);
		2325	break;
		2326	default:break;
		2327	}
		2328	}
		2329	break;
		2330	case FLOODFILL:
		2331	/*
		2332	@ floodfill x,y,color
		2333	@ alternative syntax: fill x,y,color
		2334	@ fill the region of point (x:y) with color 'color'
		2335	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2336	@ use this command after all boundary objects are declared.
		2337	@ Use command 'clickfill,color' for user click driven flood fill.
		2338	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2339	@ 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..
		2340	*/
		2341	for(i=0 ;i < 4 ; i++){
		2342	switch(i){
		2343	case 0:double_data[0] = get_real(infile,0);break;
		2344	case 1:double_data[1] = get_real(infile,0);break;
		2345	case 2:fill_color = get_color(infile,1);
		2346	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2347	js_function[DRAW_FLOODFILL] = 1;
		2348	add_js_floodfill(js_include_file,canvas_root_id);
		2349	}
		2350	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2351	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));
		2352	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2353	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));
		2354	add_to_buffer(tmp_buffer);
		2355	break;
		2356	default:break;
		2357	}
		2358	}
		2359	break;
		2360	case CLICKFILLMARGE:
		2361	clickfillmarge = (int) (get_real(infile,1));
		2362	break;
		2363	/*
		2364	@ clickfillmarge int
		2365	@ default 20 (pixels)
		2366	@ 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[])
		2367	*/
		2368	case CLICKFILL:
		2369	/*
		2370	@ clickfill fillcolor
		2371	@ user left mouse click will floodfill the area with fillcolor
		2372	@ multiple areas may be coloured
		2373	@ 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)
		2374	@ the answer will be read as the (x:y) click coordinates per coloured area
		2375	@ background color of main div may be set by using command "bgcolor color"
		2376	@ may not be combined with command "userdraw"
		2377	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2378	*/
		2379	fill_color = get_color(infile,1);
		2380	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2381	js_function[DRAW_FLOODFILL] = 1;
		2382	add_js_floodfill(js_include_file,canvas_root_id);
		2383	}
7653	schaersvoo	2384	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	2385	add_read_canvas(1);
		2386	break;
		2387	case SETPIXEL:
		2388	/*
		2389	@ setpixel x,y,color
		2390	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2391	@ pixels can not be dragged or clicked
		2392	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2393	*/
		2394	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2395	for(i=0;i<3;i++){
		2396	switch(i){
		2397	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2398	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2399	case 2: stroke_color = get_color(infile,1);
		2400	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2401	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2402	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2403	add_to_buffer(tmp_buffer);
		2404	break;
		2405	default:break;
		2406	}
		2407	}
		2408	reset();
		2409	break;
		2410	case PIXELSIZE:
		2411	/*
		2412	@ pixelsize int
		2413	@ in case you want to deviate from default pixelsize = 1...
		2414	*/
		2415	pixelsize = (int) get_real(infile,1);
		2416	break;
		2417	case PIXELS:
		2418	/*
		2419	@ pixels color,x1,y1,x2,y2,x3,y3...
		2420	@ Draw "points" with diameter 1 pixel
		2421	@ pixels can not be dragged or clicked
		2422	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2423	*/
		2424	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2425	stroke_color=get_color(infile,0);
		2426	i=0;
		2427	c=0;
		2428	while( ! done ){ /* get next item until EOL*/
		2429	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2430	for( c = 0 ; c < 2; c++){
		2431	if(c == 0 ){
		2432	double_data[i] = get_real(infile,0);
		2433	i++;
		2434	}
		2435	else
		2436	{
		2437	double_data[i] = get_real(infile,1);
		2438	i++;
		2439	}
		2440	}
		2441	}
		2442	decimals = find_number_of_digits(precision);
		2443	/* double_xy2js_array(double xy[],int len,int decimals) /
		2444	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2445	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2446	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2447	add_to_buffer(tmp_buffer);
		2448	break;
		2449	case REPLYFORMAT:
		2450	/*
		2451	@ replyformat number
		2452	@ default values should be fine !
7782	schaersvoo	2453	@ 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	2454	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2455	*/
		2456	reply_format = (int) get_real(infile,1);
		2457	break;
		2458	case LEGENDCOLORS:
		2459	/*
		2460	@ legendcolors color1:color2:color3:...:color_n
		2461	@ will be used to colour a legend
		2462	@ make sure the number of colours match the number of legend items
7856	schaersvoo	2463	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	2464	*/
		2465	temp = get_string(infile,1);
		2466	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2467	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2468	break;
		2469	case LEGEND:
		2470	/*
		2471	@ legend string1:string2:string3....string_n
		2472	@ will be used to create a legend for a graph
7856	schaersvoo	2473	@ also see command 'piechart'
7614	schaersvoo	2474	*/
		2475	temp = get_string(infile,1);
		2476	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2477	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2478	break;
		2479	case XLABEL:
		2480	/*
		2481	@ xlabel some_string
		2482	@ will be used to create a label for the x-axis (label is in quadrant I)
		2483	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7856	schaersvoo	2484	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2485	*/
		2486	temp = get_string(infile,1);
7653	schaersvoo	2487	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2488	break;
		2489	case YLABEL:
		2490	/*
		2491	@ ylabel some_string
7856	schaersvoo	2492	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	2493	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7856	schaersvoo	2494	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2495	*/
		2496	temp = get_string(infile,1);
7653	schaersvoo	2497	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2498	break;
		2499	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2500	/*
		2501	@ linegraph x1:y1;x2:y2...x_n:y;2
		2502	@ will plot your data in a graph
		2503	@ may only to be used together with command 'grid'
		2504	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2505	@ use command 'legend' to provide an optional legend in right-top-corner
		2506	@ also see command 'piechart'
		2507	@ multiple linegraphs may be used in a single plot
		2508	@ <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>
7856	schaersvoo	2509	*/
7614	schaersvoo	2510	temp = get_string(infile,1);
		2511	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2512	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	2513	linegraph_cnt++;
		2514	reset();
		2515	break;
		2516	case CLOCK:
		2517	/*
		2518	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2519	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2520	@ 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
7862	schaersvoo	2521	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	2522	@ 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>
		2523	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2524	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2525	@ 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	2526	*/
		2527	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2528
		2529	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2530	for(i=0;i<9;i++){
		2531	switch(i){
		2532	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2533	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2534	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2535	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2536	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2537	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2538	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	2539	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2540	switch(int_data[7]){
		2541	case 0:break;
		2542	case 1:if(clock_cnt == 0){
		2543	if( reply_format == 0 ){
7614	schaersvoo	2544	reply_format = 18; /* user sets clock */
7783	schaersvoo	2545	/* 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	2546	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2547	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");
		2548	add_to_buffer(tmp_buffer);
7783	schaersvoo	2549	*/
		2550	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");
		2551	}
		2552	else
		2553	{
		2554	canvas_error("interactive clock may not be used together with other reply_types...");
		2555	}
		2556	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);
		2557	}
		2558	break;
		2559	case 2:if( reply_format == 0 ){
		2560	reply_format = 19; /* "onclick */
		2561	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 ");
		2562	}
		2563	else
		2564	{
		2565	if( reply_format != 19){
7614	schaersvoo	2566	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2567	}
7783	schaersvoo	2568	}
		2569	break;
		2570	default: canvas_error("interactive must be set 0,1 or 2");break;
		2571	}
		2572	break;
7856	schaersvoo	2573	case 8:
7614	schaersvoo	2574	temp = get_string(infile,1);
		2575	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2576	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2577	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);
		2578	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2579	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);
		2580	add_to_buffer(tmp_buffer);
		2581	clock_cnt++;
		2582	break;
		2583	default:break;
		2584	}
		2585	}
		2586	break;
		2587	case BARCHART:
		2588	/*
		2589	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2590	@ will be used to create a legend for bar graph
		2591	@ may only to be used together with command 'grid'
		2592	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2593	@ use command 'legend' to provide an optional legend in right-top-corner
7856	schaersvoo	2594	@ also see command 'piechart'
7614	schaersvoo	2595	*/
		2596	temp = get_string(infile,1);
		2597	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2598	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2599	reset();
		2600	break;
		2601	case PIECHART:
		2602	/*
		2603	@ piechart xc,yc,radius,'data+colorlist'
		2604	@ (xc : yc) center of circle diagram in xrange/yrange
		2605	@ radius in pixels
		2606	@ 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
		2607	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2608	@ the number of colors must match the number of data.
		2609	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2610	@ 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...
		2611	*/
7856	schaersvoo	2612	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2613	for(i=0;i<5;i++){
		2614	switch(i){
		2615	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2616	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2617	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2618	case 3: temp = get_string(infile,1);
		2619	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2620	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);
		2621	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2622	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);
		2623	add_to_buffer(tmp_buffer);
		2624	break;
		2625	default:break;
		2626	}
		2627	}
		2628	reset();
		2629	break;
		2630	case STATUS:
		2631	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2632	break;
7735	schaersvoo	2633	case XLOGBASE:
7729	schaersvoo	2634	/*
7735	schaersvoo	2635	@ xlogbase number
		2636	@ sets the logbase number for the x-axis
7729	schaersvoo	2637	@ default value 10
7735	schaersvoo	2638	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2639	*/
7735	schaersvoo	2640	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2641	break;
7735	schaersvoo	2642	case YLOGBASE:
		2643	/*
		2644	@ ylogbase number
		2645	@ sets the logbase number for the y-axis
		2646	@ default value 10
		2647	@ use together with commands ylogscale / xylogscale
		2648	*/
		2649	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2650	break;
7614	schaersvoo	2651	case XLOGSCALE:
		2652	/*
7735	schaersvoo	2653	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2654	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2655	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2656	@ the linewidth is set using command 'linewidth int'
		2657	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2658	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7856	schaersvoo	2659	@ 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	2660	@ note: the complete canvas will be used for the 'log paper'
		2661	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2662	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2663	@ 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	2664	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2665	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2666	*/
7735	schaersvoo	2667	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2668	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2669	for(i=0;i<4;i++){
		2670	switch(i){
		2671	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2672	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2673	case 2: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2674	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2675	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	2676	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2677	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	2678	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2679	add_to_buffer(tmp_buffer);
		2680	break;
		2681	default:break;
		2682	}
		2683	}
7614	schaersvoo	2684	break;
		2685	case YLOGSCALE:
7729	schaersvoo	2686	/*
		2687	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2688	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2689	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2690	@ the linewidth is set using command 'linewidth int'
		2691	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2692	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7856	schaersvoo	2693	@ 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	2694	@ note: the complete canvas will be used for the 'log paper'
		2695	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2696	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2697	@ 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	2698	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2699	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2700	*/
		2701	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2702	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2703	for(i=0;i<4;i++){
		2704	switch(i){
		2705	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2706	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2707	case 2: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2708	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2709	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	2710	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2711	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	2712	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2713	add_to_buffer(tmp_buffer);
		2714	break;
		2715	default:break;
		2716	}
		2717	}
7614	schaersvoo	2718	break;
		2719	case XYLOGSCALE:
7735	schaersvoo	2720	/*
		2721	@ xylogscale majorcolor,minorcolor
		2722	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2723	@ the linewidth is set using command 'linewidth int'
		2724	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2725	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7856	schaersvoo	2726	@ 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	2727	@ note: the complete canvas will be used for the 'log paper'
		2728	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2729	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2730	@ 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	2731	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2732	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2733	*/
		2734	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2735	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2736	for(i=0;i<2;i++){
		2737	switch(i){
		2738	case 0: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2739	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2740	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	2741	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2742	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	2743	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2744	add_to_buffer(tmp_buffer);
		2745	break;
		2746	default:break;
		2747	}
		2748	}
		2749	break;
7614	schaersvoo	2750	default:sync_input(infile);
		2751	break;
		2752	}
7856	schaersvoo	2753	}
7614	schaersvoo	2754	/* we are done parsing script file */
7856	schaersvoo	2755
7614	schaersvoo	2756	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2757	add_javascript_functions(js_function,canvas_root_id);
		2758	/* add read_canvas() etc functions if needed */
		2759	if( reply_format > 0 ){ add_read_canvas(reply_format);}
7797	schaersvoo	2760	if( use_pan_and_zoom == TRUE ){
		2761	/* in case of zooming ... */
7729	schaersvoo	2762	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	2763	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	2764	var ymin_start=ymin;var ymax_start=xmax;\
		2765	var zoom_x_increment=0;var zoom_y_increment=0;\
		2766	var pan_x_increment=0;var pan_y_increment=0;\
		2767	if(use_ylogscale == 0 ){\
		2768	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2769	}else{\
		2770	zoom_x_increment = (xmax - xmin)/20;\
		2771	pan_x_increment = (xmax - xmin)/20;\
		2772	};\
7653	schaersvoo	2773	function start_canvas%d(type){\
		2774	switch(type){\
7729	schaersvoo	2775	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2776	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	2777	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2778	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2779	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2780	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2781	case 6:location.reload();break;\
		2782	default:break;\
		2783	};\
		2784	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2785	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2786	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2787	%s\
		2788	};\
7797	schaersvoo	2789	start_canvas%d(333);\
7614	schaersvoo	2790	};\n\
		2791	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	2792	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		2793	}
		2794	else
		2795	{
		2796	/* no zoom, just add buffer */
		2797	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		2798	%s\
		2799	};\n\
		2800	<!-- end wims_canvas_function -->\n\
		2801	wims_canvas_function%d();\n",buffer,canvas_root_id);
		2802	}
7614	schaersvoo	2803	/* done writing the javascript include file */
		2804	fclose(js_include_file);
		2805
		2806	}
		2807
		2808	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2809	if(use_tooltip == TRUE){
		2810	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2811	}
		2812	exit(EXIT_SUCCESS);
		2813	}
		2814	/* end main() */
		2815
		2816	/******************************************************************************
		2817	**
		2818	** sync_input
		2819	**
		2820	** synchronises input line - reads to end of line, leaving file pointer
		2821	** at first character of next line.
		2822	**
		2823	** Used by:
		2824	** main program - error handling.
		2825	**
		2826	******************************************************************************/
		2827	void sync_input(FILE *infile)
		2828	{
		2829	int c = 0;
		2830
7658	schaersvoo	2831	if( c == '\n' \|\| c == ';' ) return;
		2832	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2833	if( c == EOF ) finished = 1;
7658	schaersvoo	2834	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2835	return;
		2836	}
		2837
		2838	/******************************************************************************/
		2839
		2840	char str_replace(const char str, const char old, const char new){
		2841	/* http://creativeandcritical.net/str-replace-c/ */
		2842	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2843	char ret, r;
		2844	const char p, q;
		2845	size_t oldlen = strlen(old);
		2846	size_t count = 0;
		2847	size_t retlen = 0;
		2848	size_t newlen = strlen(new);
		2849	if (oldlen != newlen){
		2850	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2851	count++;
		2852	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2853	}
7856	schaersvoo	2854	}
7614	schaersvoo	2855	else
		2856	{
		2857	retlen = strlen(str);
		2858	}
7856	schaersvoo	2859
7614	schaersvoo	2860	if ((ret = malloc(retlen + 1)) == NULL){
		2861	ret = NULL;
		2862	canvas_error("string argument is NULL");
		2863	}
		2864	else
		2865	{
		2866	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2867	size_t l = q - p;
		2868	memcpy(r, p, l);
		2869	r += l;
		2870	memcpy(r, new, newlen);
		2871	r += newlen;
		2872	}
		2873	strcpy(r, p);
		2874	}
		2875	return ret;
		2876	}
		2877
		2878	/******************************************************************************/
7848	bpr	2879
7614	schaersvoo	2880	char get_color(FILE infile , int last){
		2881	int c,i = 0,is_hex = 0;
		2882	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2883	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2884	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2885	if( c == '#' ){
		2886	is_hex = 1;
		2887	}
		2888	if( c != ' '){
		2889	temp[i]=tolower(c);
		2890	i++;
		2891	}
		2892	}
7856	schaersvoo	2893	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2894	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2895	if( c == EOF ){finished = 1;}
		2896	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2897	temp[i]='\0';
		2898	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2899	if( is_hex == 1 ){
		2900	char red[3], green[3], blue[3];
		2901	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2902	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2903	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2904	int r = (int) strtol(red, NULL, 16);
		2905	int g = (int) strtol(green, NULL, 16);
		2906	int b = (int) strtol(blue, NULL, 16);
		2907	string = (char *)my_newmem(12);
		2908	snprintf(string,11,"%d,%d,%d",r,g,b);
		2909	return string;
		2910	}
		2911	else
		2912	{
		2913	string = (char *)my_newmem(sizeof(temp));
		2914	snprintf(string,sizeof(temp),"%s",temp);
		2915	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2916	if( strcmp( colors[i].name , string ) == 0 ){
		2917	return colors[i].rgb;
		2918	}
		2919	}
		2920	}
		2921	/* not found...return error */
		2922	free(string);string = NULL;
		2923	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2924	return NULL;
		2925	}
		2926
		2927	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2928	int c,i=0;
		2929	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2930	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2931	temp[i]=c;
		2932	i++;
		2933	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2934	}
7856	schaersvoo	2935	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2936	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2937	if( c == EOF ) {
		2938	finished = 1;
		2939	if( last != 1 ){ canvas_error("expected more arguments");}
		2940	}
		2941	temp[i]='\0';
		2942	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2943	string=(char *)my_newmem(strlen(temp));
		2944	snprintf(string,sizeof(temp),"%s",temp);
		2945	return string;
		2946	}
		2947
		2948	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2949	int c,i=0;
		2950	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2951	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2952	temp[i]=c;
		2953	i++;
		2954	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2955	}
7856	schaersvoo	2956	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2957	if( c == '\n') { line_number++; }
7614	schaersvoo	2958	if( c == EOF ) {finished = 1;}
		2959	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2960	temp[i]='\0';
		2961	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2962	string=(char *)my_newmem(sizeof(temp));
		2963	snprintf(string,sizeof(temp),"%s",temp);
		2964	done = TRUE;
		2965	return string;
		2966	}
		2967
		2968	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2969	int c,i=0,found_calc = 0;
		2970	double y;
		2971	char tmp[MAX_INT];
7658	schaersvoo	2972	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2973	if( c != ' ' ){
7856	schaersvoo	2974	/*
		2975	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	2976	We will check after assert() if it's a NULL pointer...and exit program via :
		2977	canvas_error("I'm having trouble parsing your \"expression\" ");
		2978	*/
7856	schaersvoo	2979	if( i == 0 && c == '+' ){
7614	schaersvoo	2980	continue;
7856	schaersvoo	2981	}
7614	schaersvoo	2982	else
		2983	{
		2984	if(canvas_iscalculation(c) != 0){
		2985	found_calc = 1;
		2986	c = tolower(c);
		2987	}
		2988	tmp[i] = c;
		2989	i++;
		2990	}
		2991	}
		2992	if( i > MAX_INT - 1){canvas_error("number too large");}
		2993	}
7856	schaersvoo	2994	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	2995	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2996	if( c == EOF ){done = TRUE ; finished = 1;}
		2997	tmp[i]='\0';
		2998	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2999	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	3000	void *f = eval_create(tmp);
7614	schaersvoo	3001	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3002	y = eval_x(f, 1);
7614	schaersvoo	3003	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3004	eval_destroy(f);
7614	schaersvoo	3005	}
		3006	else
		3007	{
		3008	y = atof(tmp);
		3009	}
		3010	return y;
		3011	}
		3012	void canvas_error(char *msg){
7748	schaersvoo	3013	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3014	finished = 1;
		3015	exit(EXIT_SUCCESS);
		3016	}
		3017
		3018
		3019	/* convert x/y coordinates to pixel */
		3020	int x2px(double x){
		3021	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3022	}
		3023
		3024	int y2px(double y){
		3025	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3026	}
		3027
		3028	double px2x(int x){
		3029	return (x*(xmax - xmin)/xsize + xmin);
		3030	}
		3031	double px2y(int y){
		3032	return (y*(ymax - ymin)/ysize + ymin);
		3033	}
		3034
		3035	void add_to_buffer(char *tmp){
		3036	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3037	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3038	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3039	if( space_left > strlen(tmp)){
		3040	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3041	}
		3042	else
		3043	{
		3044	canvas_error("buffer is too big\n");
		3045	}
		3046	tmp = NULL;free(tmp);
		3047	return;
		3048	}
		3049
		3050	void reset(){
		3051	if(use_filled == TRUE){use_filled = FALSE;}
		3052	if(use_dashed == TRUE){use_dashed = FALSE;}
		3053	if(use_translate == TRUE){use_translate = FALSE;}
		3054	if(use_rotate == TRUE){use_rotate = FALSE;}
		3055	onclick = 0;
		3056	}
		3057
		3058
		3059
		3060	/* What reply format in read_canvas();
		3061
		3062	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3063	1 = x1,x2,x3,x4....x_n
		3064	y1,y2,y3,y4....y_n
		3065
		3066	x/y in pixels
		3067
		3068	2 = x1,x2,x3,x4....x_n
		3069	y1,y2,y3,y4....y_n
		3070	x/y in xrange / yrange coordinate system
		3071
		3072	3 = x1,x2,x3,x4....x_n
		3073	y1,y2,y3,y4....y_n
		3074	r1,r2,r3,r4....r_n
		3075
7856	schaersvoo	3076	x/y in pixels
7614	schaersvoo	3077	r in pixels
		3078
		3079	4 = x1,x2,x3,x4....x_n
		3080	y1,y2,y3,y4....y_n
		3081	r1,r2,r3,r4....r_n
		3082
		3083	x/y in xrange / yrange coordinate system
		3084	r in pixels
		3085
		3086	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3087	Ay1,Ay2,Ay3,Ay4....Ay_n
		3088	Bx1,Bx2,Bx3,Bx4....Bx_n
		3089	By1,By2,By3,By4....By_n
		3090	Cx1,Cx2,Cx3,Cx4....Cx_n
		3091	Cy1,Cy2,Cy3,Cy4....Cy_n
		3092	....
		3093	Zx1,Zx2,Zx3,Zx4....Zx_n
		3094	Zy1,Zy2,Zy3,Zy4....Zy_n
7856	schaersvoo	3095
7614	schaersvoo	3096	x/y in pixels
		3097
		3098	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3099	Ay1,Ay2,Ay3,Ay4....Ay_n
		3100	Bx1,Bx2,Bx3,Bx4....Bx_n
		3101	By1,By2,By3,By4....By_n
		3102	Cx1,Cx2,Cx3,Cx4....Cx_n
		3103	Cy1,Cy2,Cy3,Cy4....Cy_n
		3104	....
		3105	Zx1,Zx2,Zx3,Zx4....Zx_n
		3106	Zy1,Zy2,Zy3,Zy4....Zy_n
		3107
		3108	x/y in xrange / yrange coordinate system
7856	schaersvoo	3109
7614	schaersvoo	3110	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7856	schaersvoo	3111
7614	schaersvoo	3112	x/y in pixels
		3113
		3114	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7856	schaersvoo	3115
7614	schaersvoo	3116	x/y in xrange / yrange coordinate system
		3117
7856	schaersvoo	3118	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3119
		3120	x/y in pixels
		3121
7856	schaersvoo	3122	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3123
		3124	x/y in xrange / yrange coordinate system
		3125
		3126	11 = Ax1,Ay1,Ax2,Ay2
		3127	Bx1,By1,Bx2,By2
		3128	Cx1,Cy1,Cx2,Cy2
		3129	Dx1,Dy1,Dx2,Dy2
		3130	......
		3131	Zx1,Zy1,Zx2,Zy2
7856	schaersvoo	3132
7614	schaersvoo	3133	x/y in xrange / yrange coordinate system
		3134
		3135	12 = Ax1,Ay1,Ax2,Ay2
		3136	Bx1,By1,Bx2,By2
		3137	Cx1,Cy1,Cx2,Cy2
		3138	Dx1,Dy1,Dx2,Dy2
		3139	......
		3140	Zx1,Zy1,Zx2,Zy2
7856	schaersvoo	3141
7614	schaersvoo	3142	x/y in pixels
		3143
		3144	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3145
		3146	x/y in xrange / yrange coordinate system
		3147	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3148	x/y in pixels
		3149	15 = reply from inputfields,textareas
		3150	reply1,reply2,reply3,...,reply_n
		3151
		3152	16 = read mathml inputfields only
		3153
		3154	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3155	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3156
		3157	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3158	19 = return clicked object number (analogue to shape-library onclick)
		3159	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3160	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3161	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3162	x/y in xrange / yrange coordinate system
7856	schaersvoo	3163	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3164	*/
		3165
		3166
		3167	void add_read_canvas(int type_reply){
		3168	/* just 1 reply type allowed */
		3169	switch(type_reply){
		3170	/* TO DO
7856	schaersvoo	3171	!!!! NEED TO SIMPLIFY !!!!
7614	schaersvoo	3172	answers may have:
		3173	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3174	*/
		3175	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3176	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3177	function read_canvas(){\
		3178	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3179	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3180	var p = 0;var input_reply = new Array();\
		3181	if( document.getElementById(\"canvas_input0\")){\
		3182	var t = 0;\
		3183	while(document.getElementById(\"canvas_input\"+t)){\
		3184	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3185	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3186	p++;\
		3187	};\
		3188	t++;\
		3189	};\
		3190	};\
		3191	if( typeof userdraw_text != 'undefined' ){\
		3192	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3193	}\
		3194	else\
		3195	{\
		3196	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3197	}\
		3198	}\
		3199	else\
		3200	{\
		3201	if( typeof userdraw_text != 'undefined' ){\
		3202	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3203	}\
		3204	else\
		3205	{\
		3206	return userdraw_x+\"\\n\"+userdraw_y;\
		3207	}\
		3208	};\
		3209	};\
		3210	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3211	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3212	break;
		3213	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3214	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3215	function read_canvas(){\
		3216	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3217	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3218	while(userdraw_x[p]){\
		3219	reply_x[p] = px2x(userdraw_x[p]);\
		3220	reply_y[p] = px2y(userdraw_y[p]);\
		3221	p++;\
		3222	};\
		3223	if(p == 0){alert(\"nothing drawn...\");return;};\
		3224	if( document.getElementById(\"canvas_input0\")){\
		3225	var p = 0;var input_reply = new Array();\
		3226	if( document.getElementById(\"canvas_input0\")){\
		3227	var t = 0;\
		3228	while(document.getElementById(\"canvas_input\"+t)){\
		3229	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3230	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3231	p++;\
		3232	};\
		3233	t++;\
		3234	};\
		3235	};\
		3236	if( typeof userdraw_text != 'undefined' ){\
		3237	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3238	}\
		3239	else\
		3240	{\
		3241	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3242	}\
		3243	}\
		3244	else\
		3245	{\
		3246	if( typeof userdraw_text != 'undefined' ){\
		3247	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3248	}\
		3249	else\
		3250	{\
		3251	return reply_x+\"\\n\"+reply_y;\
		3252	};\
		3253	};\
		3254	};\
		3255	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3256	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3257	break;
		3258	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3259	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3260	function read_canvas(){\
		3261	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3262	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3263	var p = 0;var input_reply = new Array();\
		3264	if( document.getElementById(\"canvas_input0\")){\
		3265	var t = 0;\
		3266	while(document.getElementById(\"canvas_input\"+t)){\
		3267	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3268	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3269	p++;\
		3270	};\
		3271	t++;\
		3272	};\
		3273	};\
		3274	if( typeof userdraw_text != 'undefined' ){\
		3275	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3276	}\
		3277	else\
		3278	{\
		3279	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3280	}\
		3281	}\
		3282	else\
		3283	{\
		3284	if( typeof userdraw_text != 'undefined' ){\
		3285	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3286	}\
		3287	else\
		3288	{\
		3289	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3290	}\
		3291	}\
		3292	};\
		3293	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3294	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3295	break;
		3296	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3297	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3298	function read_canvas(){\
		3299	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3300	while(userdraw_x[p]){\
		3301	reply_x[p] = px2x(userdraw_x[p]);\
		3302	reply_y[p] = px2y(userdraw_y[p]);\
		3303	p++;\
		3304	};\
		3305	if(p == 0){alert(\"nothing drawn...\");return;};\
		3306	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3307	var p = 0;var input_reply = new Array();\
		3308	if( document.getElementById(\"canvas_input0\")){\
		3309	var t = 0;\
		3310	while(document.getElementById(\"canvas_input\"+t)){\
		3311	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3312	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3313	p++;\
		3314	};\
		3315	t++;\
		3316	};\
		3317	};\
		3318	if( typeof userdraw_text != 'undefined' ){\
		3319	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3320	}\
		3321	else\
		3322	{\
		3323	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3324	}\
		3325	}\
		3326	else\
		3327	{\
		3328	if( typeof userdraw_text != 'undefined' ){\
		3329	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3330	}\
		3331	else\
		3332	{\
		3333	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3334	}\
		3335	};\
		3336	};\
		3337	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3338	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3339	break;
7856	schaersvoo	3340	/*
		3341	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3342	used for userdraw multiple paths
7614	schaersvoo	3343	*/
		3344	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3345	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3346	function read_canvas(){\
		3347	var p = 0;\
		3348	var reply = \"\";\
		3349	for(p = 0; p < userdraw_x.length;p++){\
		3350	if(userdraw_x[p] != null ){\
		3351	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3352	};\
		3353	};\
		3354	if(p == 0){alert(\"nothing drawn...\");return;};\
		3355	userdraw_x = [];userdraw_y = [];\
		3356	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3357	var p = 0;var input_reply = new Array();\
		3358	if( document.getElementById(\"canvas_input0\")){\
		3359	var t = 0;\
		3360	while(document.getElementById(\"canvas_input\"+t)){\
		3361	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3362	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3363	p++;\
		3364	};\
		3365	t++;\
		3366	};\
		3367	};\
		3368	if( typeof userdraw_text != 'undefined' ){\
		3369	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3370	}\
		3371	else\
		3372	{\
		3373	return reply +\"\\n\"+input_reply;\
		3374	}\
		3375	}\
		3376	else\
		3377	{\
		3378	if( typeof userdraw_text != 'undefined' ){\
		3379	return reply+\"\\n\"+userdraw_text;\
		3380	}\
		3381	else\
		3382	{\
		3383	return reply;\
		3384	}\
		3385	};\
		3386	};\
7654	schaersvoo	3387	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3388	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3389	break;
7856	schaersvoo	3390	/*
		3391	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3392	used for userdraw multiple paths
7614	schaersvoo	3393	*/
		3394	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3395	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3396	function read_canvas(){\
		3397	var p = 0;\
		3398	var reply = \"\";\
		3399	var tmp_x = new Array();\
		3400	var tmp_y = new Array();\
		3401	for(p = 0 ; p < userdraw_x.length; p++){\
		3402	tmp_x = userdraw_x[p];\
		3403	tmp_y = userdraw_y[p];\
		3404	if(tmp_x != null){\
		3405	for(var i = 0 ; i < tmp_x.length ; i++){\
		3406	tmp_x[i] = px2x(tmp_x[i]);\
		3407	tmp_y[i] = px2y(tmp_y[i]);\
		3408	};\
		3409	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3410	};\
		3411	};\
		3412	if(p == 0){alert(\"nothing drawn...\");return;};\
		3413	userdraw_x = [];userdraw_y = [];\
		3414	if( document.getElementById(\"canvas_input0\") ){\
		3415	var p = 0;var input_reply = new Array();\
		3416	if( document.getElementById(\"canvas_input0\")){\
		3417	var t = 0;\
		3418	while(document.getElementById(\"canvas_input\"+t)){\
		3419	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3420	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3421	p++;\
		3422	};\
		3423	t++;\
		3424	};\
		3425	};\
		3426	if( typeof userdraw_text != 'undefined' ){\
		3427	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3428	}\
		3429	else\
		3430	{\
		3431	return reply +\"\\n\"+input_reply;\
		3432	}\
		3433	}\
		3434	else\
		3435	{\
		3436	if( typeof userdraw_text != 'undefined' ){\
		3437	return reply +\"\\n\"+userdraw_text;\
		3438	}\
		3439	else\
		3440	{\
		3441	return reply;\
		3442	}\
		3443	};\
		3444	};\
		3445	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3446	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3447	break;
		3448	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3449	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3450	function read_canvas(){\
		3451	var reply = new Array();\
		3452	var p = 0;\
		3453	while(userdraw_x[p]){\
		3454	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3455	p++;\
		3456	};\
		3457	if(p == 0){alert(\"nothing drawn...\");return;};\
		3458	if( document.getElementById(\"canvas_input0\") ){\
		3459	var p = 0;var input_reply = new Array();\
		3460	if( document.getElementById(\"canvas_input0\")){\
		3461	var t = 0;\
		3462	while(document.getElementById(\"canvas_input\"+t)){\
		3463	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3464	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3465	p++;\
		3466	};\
		3467	t++;\
		3468	};\
		3469	};\
		3470	if( typeof userdraw_text != 'undefined' ){\
		3471	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3472	}\
		3473	else\
		3474	{\
		3475	return reply+\"\\n\"+input_reply;\
		3476	}\
7862	schaersvoo	3477	}\
7614	schaersvoo	3478	else\
		3479	{\
		3480	if( typeof userdraw_text != 'undefined' ){\
		3481	return reply+\"\\n\"+userdraw_text;\
		3482	}\
		3483	else\
		3484	{\
		3485	return reply;\
		3486	}\
		3487	};\
		3488	};\
		3489	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3490	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3491	break;
		3492	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3493	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3494	function read_canvas(){\
		3495	var reply = new Array();\
		3496	var p = 0;\
		3497	while(userdraw_x[p]){\
		3498	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3499	p++;\
		3500	};\
		3501	if(p == 0){alert(\"nothing drawn...\");return;};\
		3502	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3503	var p = 0;var input_reply = new Array();\
		3504	if( document.getElementById(\"canvas_input0\")){\
		3505	var t = 0;\
		3506	while(document.getElementById(\"canvas_input\"+t)){\
		3507	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3508	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3509	p++;\
		3510	};\
		3511	t++;\
		3512	};\
		3513	};\
		3514	if( typeof userdraw_text != 'undefined' ){\
		3515	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3516	}\
		3517	else\
		3518	{\
		3519	return reply +\"\\n\"+input_reply;\
		3520	}\
		3521	}\
		3522	else\
		3523	{\
		3524	if( typeof userdraw_text != 'undefined' ){\
		3525	return reply +\"\\n\"+userdraw_text;\
		3526	}\
		3527	else\
		3528	{\
		3529	return reply;\
		3530	}\
		3531	};\
		3532	};\
		3533	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3534	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3535	break;
		3536	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3537	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3538	function read_canvas(){\
		3539	var reply = new Array();\
		3540	var p = 0;\
		3541	while(userdraw_x[p]){\
		3542	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3543	p++;\
		3544	};\
		3545	if(p == 0){alert(\"nothing drawn...\");return;};\
		3546	if( document.getElementById(\"canvas_input0\") ){\
		3547	var p = 0;var input_reply = new Array();\
		3548	if( document.getElementById(\"canvas_input0\")){\
		3549	var t = 0;\
		3550	while(document.getElementById(\"canvas_input\"+t)){\
		3551	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3552	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3553	p++;\
		3554	};\
		3555	t++;\
		3556	};\
		3557	};\
		3558	if( typeof userdraw_text != 'undefined' ){\
		3559	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3560	}\
		3561	else\
		3562	{\
		3563	return reply +\"\\n\"+input_reply;\
		3564	}\
		3565	}\
		3566	else\
		3567	{\
		3568	if( typeof userdraw_text != 'undefined' ){\
		3569	return reply +\"\\n\"+userdraw_text;\
		3570	}\
		3571	else\
		3572	{\
		3573	return reply;\
		3574	}\
		3575	};\
		3576	};\
		3577	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3578	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3579	break;
		3580	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3581	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3582	function read_canvas(){\
		3583	var reply = new Array();\
		3584	var p = 0;\
		3585	while(userdraw_x[p]){\
		3586	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3587	p++;\
		3588	};\
		3589	if(p == 0){alert(\"nothing drawn...\");return;};\
		3590	if( document.getElementById(\"canvas_input0\") ){\
		3591	var p = 0;var input_reply = new Array();\
		3592	if( document.getElementById(\"canvas_input0\")){\
		3593	var t = 0;\
		3594	while(document.getElementById(\"canvas_input\"+t)){\
		3595	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3596	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3597	p++;\
		3598	};\
		3599	t++;\
		3600	};\
		3601	};\
		3602	if( typeof userdraw_text != 'undefined' ){\
		3603	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3604	}\
		3605	else\
		3606	{\
		3607	return reply +\"\\n\"+input_reply;\
		3608	}\
		3609	}\
		3610	else\
		3611	{\
		3612	if( typeof userdraw_text != 'undefined' ){\
		3613	return reply +\"\\n\"+userdraw_text;\
		3614	}\
		3615	else\
		3616	{\
		3617	return reply;\
		3618	}\
		3619	};\
		3620	};\
		3621	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3622	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3623	break;
		3624	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3625	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3626	function read_canvas(){\
		3627	var reply = \"\";\
		3628	var p = 0;\
		3629	while(userdraw_x[p]){\
		3630	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3631	p = p+2;\
		3632	};\
		3633	if(p == 0){alert(\"nothing drawn...\");return;};\
		3634	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3635	var p = 0;var input_reply = new Array();\
		3636	if( document.getElementById(\"canvas_input0\")){\
		3637	var t = 0;\
		3638	while(document.getElementById(\"canvas_input\"+t)){\
		3639	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3640	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3641	p++;\
		3642	};\
		3643	t++;\
		3644	};\
		3645	};\
		3646	if( typeof userdraw_text != 'undefined' ){\
		3647	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3648	}\
		3649	else\
		3650	{\
		3651	return reply +\"\\n\"+input_reply;\
		3652	}\
		3653	}\
		3654	else\
		3655	{\
		3656	if( typeof userdraw_text != 'undefined' ){\
		3657	return reply +\"\\n\"+userdraw_text;\
		3658	}\
		3659	else\
		3660	{\
		3661	return reply;\
		3662	}\
		3663	};\
		3664	};\
		3665	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3666	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3667	break;
		3668	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3669	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3670	function read_canvas(){\
		3671	var reply = \"\";\
		3672	var p = 0;\
		3673	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3674	if(userdraw_x[p] != null){\
		3675	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3676	};\
		3677	};\
		3678	if(p == 0){alert(\"nothing drawn...\");return;};\
		3679	if( document.getElementById(\"canvas_input0\") ){\
		3680	var p = 0;var input_reply = new Array();\
		3681	if( document.getElementById(\"canvas_input0\")){\
		3682	var t = 0;\
		3683	while(document.getElementById(\"canvas_input\"+t)){\
		3684	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3685	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3686	p++;\
		3687	};\
		3688	t++;\
		3689	};\
		3690	};\
		3691	if( typeof userdraw_text != 'undefined' ){\
		3692	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3693	}\
		3694	else\
		3695	{\
		3696	return reply +\"\\n\"+input_reply;\
		3697	}\
		3698	}\
		3699	else\
		3700	{\
		3701	if( typeof userdraw_text != 'undefined' ){\
		3702	return reply +\"\\n\"+userdraw_text\
		3703	}\
		3704	else\
		3705	{\
		3706	return reply;\
		3707	}\
		3708	};\
		3709	};\
		3710	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3711	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3712	break;
		3713	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3714	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3715	function read_canvas(){\
		3716	var reply = new Array();\
		3717	var p = 0;var i = 0;\
		3718	while(userdraw_x[p]){\
		3719	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3720	p = p+2;i++;\
		3721	};\
		3722	if(p == 0){alert(\"nothing drawn...\");return;};\
		3723	if( document.getElementById(\"canvas_input0\") ){\
		3724	var p = 0;var input_reply = new Array();\
		3725	if( document.getElementById(\"canvas_input0\")){\
		3726	var t = 0;\
		3727	while(document.getElementById(\"canvas_input\"+t)){\
		3728	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3729	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3730	p++;\
		3731	};\
		3732	t++;\
		3733	};\
		3734	};\
		3735	if( typeof userdraw_text != 'undefined' ){\
		3736	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3737	}\
		3738	else\
		3739	{\
		3740	return reply +\"\\n\"+input_reply;\
		3741	}\
		3742	}\
		3743	else\
		3744	{\
		3745	if( typeof userdraw_text != 'undefined' ){\
		3746	return reply +\"\\n\"+userdraw_text\
		3747	}\
		3748	else\
		3749	{\
		3750	return reply;\
		3751	}\
		3752	};\
		3753	};\
		3754	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3755	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3756	break;
		3757	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3758	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3759	function read_canvas(){\
		3760	var reply = new Array();\
		3761	var p = 0;var i = 0;\
		3762	while(userdraw_x[p]){\
		3763	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3764	p = p+2;i++;\
		3765	};\
		3766	if(p == 0){alert(\"nothing drawn...\");return;};\
		3767	if( document.getElementById(\"canvas_input0\") ){\
		3768	var p = 0;var input_reply = new Array();\
		3769	if( document.getElementById(\"canvas_input0\")){\
		3770	var t = 0;\
		3771	while(document.getElementById(\"canvas_input\"+t)){\
		3772	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3773	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3774	p++;\
		3775	};\
		3776	t++;\
		3777	};\
		3778	};\
		3779	if( typeof userdraw_text != 'undefined' ){\
		3780	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3781	}\
		3782	else\
		3783	{\
		3784	return reply +\"\\n\"+input_reply;\
		3785	}\
		3786	}\
		3787	else\
		3788	{\
		3789	if( typeof userdraw_text != 'undefined' ){\
		3790	return reply +\"\\n\"+userdraw_text;\
		3791	}\
		3792	else\
		3793	{\
		3794	return reply;\
		3795	}\
		3796	};\
		3797	};\
		3798	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3799	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3800	break;
		3801	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3802	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3803	function read_canvas(){\
		3804	var input_reply = new Array();\
		3805	var p = 0;\
		3806	if( document.getElementById(\"canvas_input0\")){\
		3807	var t = 0;\
		3808	while(document.getElementById(\"canvas_input\"+t)){\
		3809	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3810	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3811	p++;\
		3812	};\
		3813	t++;\
		3814	};\
		3815	};\
		3816	if( typeof userdraw_text != 'undefined' ){\
		3817	return input_reply +\"\\n\"+userdraw_text;\
		3818	}\
		3819	else\
		3820	{\
		3821	return input_reply;\
		3822	};\
		3823	};\
		3824	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3825	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3826	break;
		3827	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3828	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3829	function read_mathml(){\
		3830	var reply = new Array();\
		3831	var p = 0;\
		3832	if( document.getElementById(\"mathml0\")){\
		3833	while(document.getElementById(\"mathml\"+p)){\
		3834	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3835	p++;\
		3836	};\
		3837	};\
		3838	return reply;\
		3839	};\
		3840	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3841	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3842	break;
		3843	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3844	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3845	function read_canvas(){\
		3846	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3847	return userdraw_text;\
		3848	};\
		3849	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3850	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3851	break;
		3852	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3853	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3854	function read_canvas(){\
		3855	var p = 0;\
		3856	var reply = new Array();\
		3857	var name;\
		3858	var t = true;\
		3859	while(t){\
		3860	try{ name = eval('clocks'+p);\
		3861	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;};\
		3862	};\
		3863	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3864	return reply;\
		3865	};\
		3866	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3867	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3868	break;
		3869	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3870	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3871	function read_canvas(){\
		3872	return reply[0];\
		3873	};\
		3874	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3875	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3876	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3877	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3878	function read_canvas(){\
		3879	var len = ext_drag_images.length;\
		3880	var reply = new Array(len);\
		3881	for(var p = 0 ; p < len ; p++){\
		3882	var img = ext_drag_images[p];\
		3883	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3884	};\
		3885	return reply;\
		3886	};\
		3887	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3888	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3889	break;
		3890	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3891	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3892	function read_canvas(){\
		3893	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3894	var reply_coord = new Array();var p = 0;\
		3895	while(userdraw_x[p]){\
		3896	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3897	p++;\
		3898	};\
		3899	if(p == 0){alert(\"nothing drawn...\");return;};\
		3900	if( document.getElementById(\"canvas_input0\") ){\
		3901	var p = 0;var input_reply = new Array();\
		3902	if( document.getElementById(\"canvas_input0\")){\
		3903	var t = 0;\
		3904	while(document.getElementById(\"canvas_input\"+t)){\
		3905	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3906	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3907	p++;\
		3908	};\
		3909	t++;\
		3910	};\
		3911	};\
		3912	if( typeof userdraw_text != 'undefined' ){\
		3913	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3914	}\
		3915	else\
		3916	{\
		3917	return reply_coord+\"\\n\"+input_reply;\
		3918	}\
		3919	}\
		3920	else\
		3921	{\
		3922	if( typeof userdraw_text != 'undefined' ){\
		3923	return reply_coord+\"\\n\"+userdraw_text;\
		3924	}\
		3925	else\
		3926	{\
		3927	return reply_coord;\
		3928	};\
		3929	};\
		3930	};\
		3931	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3932	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3933	break;
		3934	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3935	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3936	function read_canvas(){\
		3937	var reply = new Array();\
		3938	var p = 0;\
		3939	var idx = 0;\
		3940	while(userdraw_x[p]){\
		3941	reply[idx] = px2x(userdraw_x[p]);\
		3942	idx++;\
		3943	reply[idx] = px2y(userdraw_y[p]);\
		3944	idx++;p++;\
		3945	};\
		3946	if(p == 0){alert(\"nothing drawn...\");return;};\
		3947	if( document.getElementById(\"canvas_input0\") ){\
		3948	var p = 0;var input_reply = new Array();\
		3949	if( document.getElementById(\"canvas_input0\")){\
		3950	var t = 0;\
		3951	while(document.getElementById(\"canvas_input\"+t)){\
		3952	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3953	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3954	p++;\
		3955	};\
		3956	t++;\
		3957	};\
		3958	};\
		3959	if( typeof userdraw_text != 'undefined' ){\
		3960	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3961	}\
		3962	else\
		3963	{\
		3964	return reply +\"\\n\"+input_reply;\
		3965	}\
		3966	}\
		3967	else\
		3968	{\
		3969	if( typeof userdraw_text != 'undefined' ){\
		3970	return reply +\"\\n\"+userdraw_text;\
		3971	}\
		3972	else\
		3973	{\
		3974	return reply;\
		3975	}\
		3976	};\
		3977	};\
		3978	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3979	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3980	break;
7782	schaersvoo	3981	case 23: fprintf(js_include_file,"\
		3982	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3983	function read_canvas(){\
		3984	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3985	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3986	var lu = userdraw_x.length;\
		3987	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3988	var marge = 5;\
		3989	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3990	for(var i = 0; i < lu - 1 ; i++ ){\
		3991	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3992	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3993	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3994	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3995	p++;\
		3996	};\
		3997	};\
		3998	};\
		3999	if( document.getElementById(\"canvas_input0\")){\
		4000	var p = 0;var input_reply = new Array();\
		4001	if( document.getElementById(\"canvas_input0\")){\
		4002	var t = 0;\
		4003	while(document.getElementById(\"canvas_input\"+t)){\
		4004	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4005	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4006	p++;\
		4007	};\
		4008	t++;\
		4009	};\
		4010	};\
		4011	if( typeof userdraw_text != 'undefined' ){\
		4012	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4013	}\
		4014	else\
		4015	{\
		4016	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4017	}\
		4018	}\
		4019	else\
		4020	{\
		4021	if( typeof userdraw_text != 'undefined' ){\
		4022	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4023	}\
		4024	else\
		4025	{\
		4026	return reply_x+\"\\n\"+reply_y;\
		4027	};\
		4028	};\
		4029	};\
		4030	this.read_canvas = read_canvas;\n\
		4031	<!-- end function 23 read_canvas() -->");
		4032	break;
7614	schaersvoo	4033
		4034	default: canvas_error("hmmm unknown replyformat...");break;
		4035	}
		4036	return;
		4037	}
		4038
		4039
7856	schaersvoo	4040	/*
		4041	add drawfunction :
7614	schaersvoo	4042	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4043	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4044	- grid / mathml
		4045	- will not scale or zoom in
		4046	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
7856	schaersvoo	4047	- is printed directly into 'js_include_file'
7614	schaersvoo	4048	*/
		4049
		4050	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4051	int i;
		4052	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4053	if( js_functions[i] == 1){
		4054	switch(i){
		4055	case DRAG_EXTERNAL_IMAGE:
		4056	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4057	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4058	var external_ctx = external_canvas.getContext(\"2d\");\
		4059	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4060	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4061	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4062	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4063	var selected_image = null;\
		4064	var ext_image_cnt = 0;\
		4065	var ext_drag_images = new Array();\
		4066	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4067	ext_image_cnt = idx;\
		4068	var image = new Image();\
		4069	image.src = URL;\
		4070	image.onload = function(){\
		4071	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4072	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4073	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4074	img = new Array(10);\
		4075	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4076	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4077	ext_drag_images[idx] = img;\
		4078	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4079	};\
		4080	};\
		4081	function dragstop(evt){\
		4082	selected_image = null;return;\
		4083	};\
		4084	function dragxy(evt){\
		4085	if( selected_image != null ){\
		4086	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4087	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4088	var s_img = ext_drag_images[selected_image];\
		4089	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4090	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4091	ext_drag_images[selected_image] = s_img;\
		4092	external_ctx.clearRect(0,0,xsize,ysize);\
		4093	for(var i = 0; i <= ext_image_cnt ; i++){\
		4094	var img = ext_drag_images[i];\
		4095	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4096	};\
		4097	};\
		4098	};\
		4099	function setxy(evt){\
		4100	if( ! selected_image && evt.which == 1 ){\
		4101	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4102	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4103	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4104	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4105	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4106	var img = ext_drag_images[p];\
		4107	if( img[0] == 1 ){\
		4108	var w = img.width;\
		4109	var h = img.height;\
		4110	if( xm > img[6] && xm < img[6] + img[4]){\
		4111	if( ym > img[7] && ym < img[7] + img[5]){\
		4112	img[6] = xm;\
		4113	img[7] = ym;\
		4114	ext_drag_images[p] = img;\
		4115	selected_image = p;\
		4116	dragxy(evt);\
		4117	};\
		4118	};\
		4119	};\
		4120	};\
		4121	}\
		4122	else\
		4123	{\
		4124	selected_image = null;\
		4125	};\
7614	schaersvoo	4126	};",canvas_root_id);
		4127	break;
		4128
		4129	case DRAW_EXTERNAL_IMAGE:
		4130	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4131	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4132	var image = new Image();\
		4133	image.src = URL;\
		4134	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4135	image.onload = function(){\
		4136	if( x0 < 1 ){ x0 = 0; };\
		4137	if( y0 < 1 ){ y0 = 0; };\
		4138	if( sx < 1 ){ sx = 0; };\
		4139	if( sy < 1 ){ sy = 0; };\
		4140	if( width < 1 ){ width = image.width;};\
		4141	if( height < 1 ){ height = image.height;};\
		4142	if( swidth < 1 ){ swidth = image.width;};\
		4143	if( sheight < 1 ){ sheight = image.height;};\
		4144	var ml = x0 - sx;\
		4145	var mh = y0 - sy;\
		4146	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4147	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4148	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4149	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4150	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4151	};\
7856	schaersvoo	4152	};",canvas_root_id);
7614	schaersvoo	4153	break;
7856	schaersvoo	4154
7614	schaersvoo	4155	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4156	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4157	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4158	var obj;\
		4159	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4160	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4161	}\
		4162	else\
		4163	{\
		4164	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4165	};\
		4166	var ctx = obj.getContext(\"2d\");\
		4167	ctx.font =\"18px Ariel\";\
		4168	ctx.textAlign = \"right\";\
		4169	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4170	ctx.fillText(\"+\",xsize,ysize);\
		4171	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4172	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4173	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4174	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4175	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4176	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4177	ctx.stroke();\
7653	schaersvoo	4178	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	4179
7614	schaersvoo	4180	break;
		4181	case DRAW_GRIDFILL:/* not used for userdraw */
		4182	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4183	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4184	var obj;\
		4185	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4186	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4187	}\
		4188	else\
		4189	{\
		4190	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4191	};\
		4192	var ctx = obj.getContext(\"2d\");\
		4193	var x,y;\
		4194	ctx.save();\
		4195	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4196	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4197	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4198	ctx.moveTo(x,y0);\
		4199	ctx.lineTo(x,ysize);\
		4200	};\
7645	schaersvoo	4201	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4202	ctx.moveTo(x0,y);\
		4203	ctx.lineTo(xsize,y);\
		4204	};\
		4205	ctx.stroke();\
		4206	ctx.restore();\
7653	schaersvoo	4207	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4208	break;
7856	schaersvoo	4209
7614	schaersvoo	4210	case DRAW_IMAGEFILL:/* not used for userdraw */
		4211	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4212	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4213	var obj;\
		4214	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4215	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4216	}\
		4217	else\
		4218	{\
		4219	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4220	};\
		4221	var ctx = obj.getContext(\"2d\");\
		4222	ctx.save();\
		4223	var img = new Image();\
		4224	img.src = URL;\
		4225	img.onload = function(){\
		4226	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4227	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4228	}\
		4229	else\
		4230	{\
		4231	var repeat = \"repeat\";\
		4232	if(img.width > xsize - x0){\
		4233	repeat = \"repeat-y\";\
		4234	}\
		4235	else\
		4236	{\
		4237	if( img.height > ysize -x0 ){\
		4238	repeat = \"repeat-x\";\
		4239	}\
		4240	}\
		4241	var pattern = ctx.createPattern(img,repeat);\
		4242	ctx.rect(x0,y0,xsize,ysize);\
		4243	ctx.fillStyle = pattern;\
		4244	}\
		4245	ctx.fill();\
		4246	};\
		4247	ctx.restore();\
		4248	return;\
7653	schaersvoo	4249	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4250	break;
7856	schaersvoo	4251
7614	schaersvoo	4252	case DRAW_DOTFILL:/* not used for userdraw */
		4253	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4254	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4255	var obj;\
		4256	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4257	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4258	}\
		4259	else\
		4260	{\
		4261	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4262	};\
		4263	var ctx = obj.getContext(\"2d\");\
		4264	var x,y;\
		4265	ctx.closePath();\
		4266	ctx.save();\
7645	schaersvoo	4267	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4268	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4269	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4270	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4271	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4272	ctx.closePath();\
		4273	}\
		4274	}\
		4275	ctx.fill();\
		4276	ctx.restore();\
7653	schaersvoo	4277	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4278	break;
7645	schaersvoo	4279
7647	schaersvoo	4280	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4281	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4282	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4283	var obj;\
		4284	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4285	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4286	}\
		4287	else\
		4288	{\
		4289	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4290	};\
		4291	var ctx = obj.getContext(\"2d\");\
		4292	var x;\
		4293	var y;\
		4294	ctx.save();\
		4295	ctx.lineWidth = linewidth;\
		4296	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4297	y = ysize;\
		4298	for( x = x0 ; x < xsize ; x = x + dx ){\
		4299	ctx.moveTo(x,y0);\
		4300	ctx.lineTo(xsize,y);\
		4301	y = y - dy;\
		4302	};\
		4303	y = y0;\
		4304	for( x = xsize ; x > 0 ; x = x - dx){\
		4305	ctx.moveTo(x,ysize);\
		4306	ctx.lineTo(x0,y);\
		4307	y = y + dy;\
		4308	};\
		4309	x = x0;\
		4310	for( y = y0 ; y < ysize ; y = y + dy ){\
		4311	ctx.moveTo(xsize,y);\
		4312	ctx.lineTo(x,ysize);\
		4313	x = x + dx;\
		4314	};\
		4315	x = xsize;\
		4316	for( y = ysize ; y > y0 ; y = y - dy ){\
		4317	ctx.moveTo(x,y0);\
		4318	ctx.lineTo(x0,y);\
		4319	x = x - dx;\
		4320	};\
		4321	ctx.stroke();\
		4322	ctx.restore();\
		4323	return;\
7653	schaersvoo	4324	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4325	break;
7856	schaersvoo	4326
7647	schaersvoo	4327	case DRAW_HATCHFILL:/* not used for userdraw */
		4328	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4329	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4330	var obj;\
		4331	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4332	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4333	}\
		4334	else\
		4335	{\
		4336	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4337	};\
		4338	var ctx = obj.getContext(\"2d\");\
		4339	var x;\
		4340	var y;\
		4341	ctx.save();\
		4342	ctx.lineWidth = linewidth;\
		4343	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4344	y = ysize;\
		4345	for( x = x0 ; x < xsize ; x = x + dx ){\
		4346	ctx.moveTo(x,y0);\
		4347	ctx.lineTo(xsize,y);\
		4348	y = y - dy;\
		4349	};\
		4350	y = y0;\
		4351	for( x = xsize ; x >= dx ; x = x - dx){\
		4352	ctx.moveTo(x,ysize);\
		4353	ctx.lineTo(x0,y);\
		4354	y = y + dy;\
		4355	};\
		4356	ctx.stroke();\
		4357	ctx.restore();\
		4358	return;\
7653	schaersvoo	4359	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4360	break;
7614	schaersvoo	4361	case DRAW_CIRCLES:/* used for userdraw */
		4362	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4363	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){\
		4364	ctx.save();\
		4365	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4366	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4367	ctx.lineWidth = line_width;\
		4368	for(var p = 0 ; p < x_points.length ; p++ ){\
		4369	ctx.beginPath();\
		4370	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4371	ctx.closePath();\
		4372	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4373	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4374	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4375	ctx.stroke();\
		4376	}\
		4377	ctx.restore();\
		4378	return;\
7653	schaersvoo	4379	};");
7614	schaersvoo	4380	break;
7663	schaersvoo	4381	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4382	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4383	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4384	ctx.save();\
		4385	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4386	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4387	ctx.lineWidth = line_width;\
		4388	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4389	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4390	ctx.clearRect(0,0,xsize,ysize);\
		4391	ctx.beginPath();\
		4392	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4393	ctx.moveTo(x_points[p],y_points[p]);\
		4394	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4395	}\
		4396	ctx.closePath();\
		4397	ctx.stroke();\
		4398	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4399	for(var p = 0 ; p < x_points.length ; p++ ){\
		4400	ctx.beginPath();\
		4401	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4402	ctx.closePath();ctx.fill();ctx.stroke();\
		4403	};\
		4404	ctx.restore();\
		4405	return;\
		4406	};");
		4407	break;
7856	schaersvoo	4408
7614	schaersvoo	4409	case DRAW_SEGMENTS:/* used for userdraw */
		4410	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4411	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4412	ctx.save();\
		4413	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4414	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4415	ctx.lineWidth = line_width;\
		4416	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4417	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4418	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4419	ctx.beginPath();\
		4420	ctx.moveTo(x_points[p],y_points[p]);\
		4421	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4422	ctx.closePath();\
		4423	ctx.stroke();\
		4424	}\
		4425	ctx.restore();\
		4426	return;\
		4427	};");
		4428	break;
7856	schaersvoo	4429
7614	schaersvoo	4430	case DRAW_LINES:/* used for userdraw */
		4431	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4432	function calc_line(x1,x2,y1,y2){\
		4433	var marge = 2;\
		4434	if(x1 < x2+marge && x1>x2-marge){\
		4435	return [x1,0,x1,ysize];\
		4436	};\
		4437	if(y1 < y2+marge && y1>y2-marge){\
		4438	return [0,y1,xsize,y1];\
		4439	};\
		4440	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4441	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4442	return [0,Y1,xsize,Y2];\
		4443	};\
		4444	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4445	ctx.save();\
		4446	var line = new Array(4);\
		4447	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4448	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4449	ctx.lineWidth = line_width;\
		4450	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4451	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4452	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4453	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4454	ctx.beginPath();\
		4455	ctx.moveTo(line[0],line[1]);\
		4456	ctx.lineTo(line[2],line[3]);\
		4457	ctx.closePath();\
		4458	ctx.stroke();\
		4459	}\
		4460	ctx.restore();\
		4461	return;\
		4462	};");
		4463	break;
		4464
		4465	case DRAW_CROSSHAIRS:/* used for userdraw */
		4466	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4467	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4468	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4469	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4470	ctx.lineWidth = line_width;\
		4471	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4472	var x1,x2,y1,y2;\
		4473	for(var p = 0 ; p < x_points.length ; p++ ){\
		4474	x1 = x_points[p] - crosshair_size;\
		4475	x2 = x_points[p] + crosshair_size;\
		4476	y1 = y_points[p] - crosshair_size;\
		4477	y2 = y_points[p] + crosshair_size;\
		4478	ctx.beginPath();\
		4479	ctx.moveTo(x1,y1);\
		4480	ctx.lineTo(x2,y2);\
		4481	ctx.closePath();\
		4482	ctx.stroke();\
		4483	ctx.beginPath();\
		4484	ctx.moveTo(x2,y1);\
		4485	ctx.lineTo(x1,y2);\
		4486	ctx.closePath();\
		4487	ctx.stroke();\
		4488	}\
		4489	ctx.restore();\
		4490	return;\
7653	schaersvoo	4491	};");
7614	schaersvoo	4492	break;
		4493
		4494	case DRAW_RECTS:/* used for userdraw */
		4495	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4496	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){\
		4497	ctx.save();\
		4498	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4499	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4500	ctx.lineWidth = line_width;\
		4501	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4502	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4503	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4504	ctx.beginPath();\
		4505	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4506	ctx.closePath();\
		4507	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4508	ctx.stroke();\
		4509	};\
		4510	ctx.restore();\
		4511	return;\
7653	schaersvoo	4512	};");
7614	schaersvoo	4513	break;
		4514
		4515	case DRAW_ROUNDRECTS:/* used for userdraw */
		4516	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4517	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){\
		4518	ctx.save();\
		4519	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4520	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4521	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4522	var x,y,w,h,r;\
		4523	for(var p = 0; p < x_points.length; p = p+2){\
		4524	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);\
		4525	ctx.beginPath();ctx.moveTo(x + r, y);\
		4526	ctx.lineTo(x + w - r, y);\
		4527	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4528	ctx.lineTo(x + w, y + h - r);\
		4529	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4530	ctx.lineTo(x + r, y + h);\
		4531	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4532	ctx.lineTo(x, y + r);\
		4533	ctx.quadraticCurveTo(x, y, x + r, y);\
		4534	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4535	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4536	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4537	ctx.stroke();\
		4538	}\
		4539	ctx.restore();\
7653	schaersvoo	4540	};");
7856	schaersvoo	4541	break;
7614	schaersvoo	4542
		4543	case DRAW_ELLIPSES:/* not used for userdraw */
		4544	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4545	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){\
		4546	var obj;\
		4547	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4548	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4549	}\
		4550	else\
		4551	{\
		4552	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4553	};\
		4554	var ctx = obj.getContext(\"2d\");\
		4555	ctx.save();\
		4556	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4557	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4558	var cx,cy,ry,rx;\
		4559	ctx.lineWidth = line_width;\
		4560	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4561	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4562	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4563	for(var p=0;p< x_points.length;p = p+2){\
		4564	ctx.beginPath();\
		4565	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4566	ctx.translate(cx - rx, cy - ry);\
		4567	ctx.scale(rx, ry);\
		4568	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4569	if( use_filled == 1 ){ctx.fill();}\
		4570	ctx.stroke();\
		4571	};\
		4572	ctx.restore();\
7653	schaersvoo	4573	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4574	break;
		4575
		4576	case DRAW_PATHS: /* used for userdraw */
		4577	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4578	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){\
		4579	ctx.save();\
		4580	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4581	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4582	ctx.lineWidth = line_width;\
		4583	ctx.lineJoin = \"round\";\
		4584	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4585	ctx.beginPath();\
		4586	ctx.moveTo(x_points[0],y_points[0]);\
		4587	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4588	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4589	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4590	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4591	ctx.stroke();\
		4592	ctx.restore();\
		4593	return;\
		4594	};");
7856	schaersvoo	4595
7614	schaersvoo	4596	break;
		4597	case DRAW_ARROWS:/* used for userdraw */
		4598	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4599	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){\
		4600	ctx.save();\
		4601	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4602	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4603	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4604	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4605	ctx.lineWidth = line_width;\
		4606	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4607	ctx.lineCap = \"round\";\
		4608	ctx.save();\
		4609	var x1,y1,x2,y2,dx,dy,len;\
		4610	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4611	ctx.restore();ctx.save();\
		4612	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4613	len = Math.sqrt(dxdx+dydy);\
		4614	ctx.translate(x2,y2);\
		4615	ctx.rotate(Math.atan2(dy,dx));\
		4616	ctx.lineCap = \"round\";\
		4617	ctx.beginPath();\
		4618	ctx.moveTo(0,0);\
		4619	ctx.lineTo(-len,0);\
		4620	ctx.closePath();\
		4621	ctx.stroke();\
		4622	ctx.beginPath();\
		4623	ctx.moveTo(0,0);\
		4624	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4625	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4626	ctx.closePath();\
		4627	ctx.fill();\
		4628	if( type == 2 ){\
		4629	ctx.restore();\
		4630	ctx.save();\
		4631	ctx.translate(x1,y1);\
		4632	ctx.rotate(Math.atan2(-dy,-dx));\
		4633	ctx.beginPath();\
		4634	ctx.moveTo(0,0);\
		4635	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4636	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4637	ctx.closePath();\
		4638	ctx.stroke();\
		4639	ctx.fill();\
		4640	}\
		4641	}\
		4642	ctx.restore();\
		4643	return;\
7653	schaersvoo	4644	};");
7614	schaersvoo	4645	break;
		4646
		4647	case DRAW_VIDEO:/* not used for userdraw */
		4648	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4649	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4650	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4651	var video_div = document.createElement(\"div\");\
		4652	canvas_div.appendChild(video_div);\
		4653	video_div.style.position = \"absolute\";\
		4654	video_div.style.left = x+\"px\";\
		4655	video_div.style.top = y+\"px\";\
		4656	video_div.style.width = w+\"px\";\
		4657	video_div.style.height = h+\"px\";\
		4658	var video = document.createElement(\"video\");\
		4659	video_div.appendChild(video);\
		4660	video.style.width = w+\"px\";\
		4661	video.style.height = h+\"px\";\
		4662	video.autobuffer = true;\
		4663	video.controls = true;video.autoplay = false;\
		4664	var src = document.createElement(\"source\");\
		4665	src.type = \"video/mp4\";\
		4666	src.src = URL;\
		4667	video.appendChild(src);\
		4668	video.load();\
		4669	return;\
7856	schaersvoo	4670	};");
7614	schaersvoo	4671	break;
7856	schaersvoo	4672
7614	schaersvoo	4673	case DRAW_AUDIO:/* not used for userdraw */
		4674	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4675	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4676	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4677	var audio_div = document.createElement(\"div\");\
		4678	canvas_div.appendChild(audio_div);\
		4679	audio_div.style.position = \"absolute\";\
		4680	audio_div.style.left = x+\"px\";\
		4681	audio_div.style.top = y+\"px\";\
		4682	audio_div.style.width = w+\"px\";\
		4683	audio_div.style.height = h+\"px\";\
		4684	var audio = document.createElement(\"audio\");\
		4685	audio_div.appendChild(audio);\
		4686	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4687	audio.autobuffer = true;\
		4688	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4689	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4690	var src1 = document.createElement(\"source\");\
		4691	src1.type = \"audio/ogg\";\
		4692	src1.src = URL1;\
		4693	audio.appendChild(src1);\
		4694	var src2 = document.createElement(\"source\");\
		4695	src2.type = \"audio/mpeg\";\
		4696	src2.src = URL2;\
		4697	audio.appendChild(src2);\
		4698	audio.load();\
		4699	return;\
7653	schaersvoo	4700	};");
7614	schaersvoo	4701	break;
7856	schaersvoo	4702
7614	schaersvoo	4703	case DRAW_HTTP:/* not used for userdraw */
		4704	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4705	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4706	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4707	var http_div = document.createElement(\"div\");\
		4708	var iframe = document.createElement(\"iframe\");\
		4709	canvas_div.appendChild(http_div);\
		4710	http_div.appendChild(iframe);\
		4711	iframe.src = URL;\
		4712	iframe.setAttribute(\"width\",w);\
		4713	iframe.setAttribute(\"height\",h);\
		4714	return;\
7653	schaersvoo	4715	};");
7614	schaersvoo	4716	break;
7856	schaersvoo	4717
7614	schaersvoo	4718	case DRAW_XML:
		4719	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4720	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4721	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4722	var xml_div = document.createElement(\"div\");\
		4723	canvas_div.appendChild(xml_div);\
		4724	xml_div.innerHTML = mathml;\
		4725	if(onclick != 0){\
		4726	xml_div.onclick = function(){\
		4727	reply[0] = onclick;\
		4728	alert(\"send \"+onclick+\" ?\");\
		4729	};\
		4730	};\
		4731	xml_div.style.position = \"absolute\";\
		4732	xml_div.style.left = x+\"px\";\
		4733	xml_div.style.top = y+\"px\";\
		4734	xml_div.style.width = w+\"px\";\
		4735	xml_div.style.height = h+\"px\";\
		4736	return;\
7653	schaersvoo	4737	};"
7614	schaersvoo	4738	);
		4739	break;
7654	schaersvoo	4740	case DRAW_SGRAPH:
7856	schaersvoo	4741	/*
7654	schaersvoo	4742	xstart = given
		4743	ystart = given
		4744	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4745	*/
		4746	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4747	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4748	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);};\
		4749	var ctx = obj.getContext(\"2d\");\
		4750	ctx.font = fontfamily;\
		4751	var minor_opacity = 0.8*opacity;\
		4752	ctx.clearRect(0,0,xsize,ysize);\
		4753	var d_x = 1.8*font_size;\
		4754	var d_y = ctx.measureText(\"+ymax+\").width;\
		4755	var dx = xsize / (xmax - xmin);\
		4756	var dy = ysize / (ymax - ymin);\
		4757	var zero_x = d_y + dx;\
		4758	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4759	var snor_x;\
7654	schaersvoo	4760	if( xstart != xmin){\
7658	schaersvoo	4761	snor_x = 0.1*xsize;\
		4762	}\
		4763	else\
		4764	{\
		4765	snor_x = 0;\
		4766	xstart = xmin;\
		4767	};\
		4768	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4769	ctx.lineWidth = 2;\
		4770	ctx.beginPath();\
		4771	ctx.moveTo(xsize,zero_y);\
		4772	ctx.lineTo(zero_x,zero_y);\
		4773	ctx.lineTo(zero_x,0);\
		4774	ctx.stroke();\
		4775	ctx.closePath();\
		4776	ctx.beginPath();\
		4777	ctx.moveTo(zero_x,zero_y);\
		4778	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4779	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4780	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4781	ctx.lineTo(zero_x + snor_x,zero_y);\
		4782	ctx.stroke();\
		4783	ctx.closePath();\
		4784	ctx.beginPath();\
		4785	var num = xstart;\
7660	schaersvoo	4786	var flipflop = 1;\
7658	schaersvoo	4787	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4788	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4789	if( 0.5*ctx.measureText(num).width > step_x ){\
		4790	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4791	};\
		4792	if( flipflop == 1){\
7658	schaersvoo	4793	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4794	}\
		4795	else\
		4796	{\
		4797	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4798	}\
		4799	num = num + xmajor;\
		4800	};\
		4801	ctx.stroke();\
		4802	ctx.closePath();\
		4803	ctx.lineWidth = 1;\
		4804	ctx.beginPath();\
		4805	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4806	ctx.moveTo(x,zero_y);\
		4807	ctx.lineTo(x,0);\
		4808	};\
		4809	ctx.stroke();\
		4810	ctx.closePath();\
		4811	if( xminor > 1){\
		4812	ctx.lineWidth = 0.5;\
		4813	ctx.beginPath();\
		4814	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4815	var minor_step_x = step_x / xminor;\
		4816	var nx;\
		4817	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4818	num = 1;\
		4819	for(var p = 1 ; p < xminor ; p++){\
		4820	nx = x + num*minor_step_x;\
		4821	ctx.moveTo(nx,zero_y);\
		4822	ctx.lineTo(nx,0);\
		4823	num++;\
		4824	};\
		4825	};\
		4826	ctx.stroke();\
		4827	ctx.closePath();\
		4828	ctx.beginPath();\
		4829	ctx.lineWidth = 2;\
		4830	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4831	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4832	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4833	};\
		4834	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4835	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4836	};\
		4837	ctx.stroke();\
		4838	ctx.closePath();\
		4839	ctx.lineWidth = 0.5;\
		4840	};\
		4841	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4842	if( ystart != ymin){\
		4843	snor_y = 0.1*ysize;\
		4844	}\
		4845	else\
		4846	{\
		4847	snor_y = 0;\
		4848	ystart = ymin;\
		4849	};\
		4850	ctx.lineWidth = 2;\
		4851	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4852	ctx.beginPath();\
		4853	ctx.moveTo(zero_x,zero_y);\
		4854	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4855	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4856	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4857	ctx.lineTo(zero_x,zero_y - snor_y);\
		4858	ctx.stroke();\
		4859	ctx.closePath();\
		4860	ctx.beginPath();\
		4861	ctx.lineWidth = 1;\
		4862	num = ystart;\
		4863	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4864	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4865	ctx.moveTo(zero_x,y);\
		4866	ctx.lineTo(xsize,y);\
		4867	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4868	num = num + ymajor;\
		4869	};\
		4870	ctx.stroke();\
		4871	ctx.closePath();\
		4872	if( yminor > 1){\
		4873	ctx.lineWidth = 0.5;\
		4874	ctx.beginPath();\
		4875	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4876	var minor_step_y = step_y / yminor;\
		4877	var ny;\
		4878	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4879	num = 1;\
		4880	for(var p = 1 ;p < yminor;p++){\
		4881	ny = y + num*minor_step_y;\
		4882	ctx.moveTo(zero_x,ny);\
		4883	ctx.lineTo(xsize,ny);\
		4884	num++;\
		4885	};\
		4886	};\
		4887	ctx.stroke();\
		4888	ctx.closePath();\
		4889	ctx.lineWidth = 2;\
		4890	ctx.beginPath();\
		4891	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4892	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4893	ctx.moveTo(zero_x,y);\
		4894	ctx.lineTo(zero_x+12,y);\
		4895	};\
		4896	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4897	ctx.moveTo(zero_x,y);\
		4898	ctx.lineTo(zero_x+6,y);\
		4899	};\
		4900	ctx.stroke();\
		4901	ctx.closePath();\
		4902	};\
		4903	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4904	if( typeof legend%d !== 'undefined' ){\
		4905	ctx.globalAlpha = 1.0;\
		4906	var y_offset = 2*font_size;\
		4907	var txt;var txt_size;\
		4908	var x_offset = xsize - 2*font_size;\
		4909	var l_length = legend%d.length;var barcolor = new Array();\
		4910	if( typeof legendcolors%d !== 'undefined' ){\
		4911	for(var p = 0 ; p < l_length ; p++){\
		4912	barcolor[p] = legendcolors%d[p];\
		4913	};\
		4914	}else{\
		4915	if( barcolor.length == 0 ){\
		4916	for(var p = 0 ; p < l_length ; p++){\
		4917	barcolor[p] = stroke_color;\
		4918	};\
		4919	};\
		4920	};\
		4921	for(var p = 0; p < l_length; p++){\
		4922	ctx.fillStyle = barcolor[p];\
		4923	txt = legend%d[p];\
		4924	txt_size = ctx.measureText(txt).width;\
		4925	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4926	y_offset = parseInt(y_offset + 1.5*font_size);\
		4927	};\
		4928	};\
7660	schaersvoo	4929	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4930	ctx.fillStyle = \'#000000\';\
		4931	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4932	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4933	};\
7660	schaersvoo	4934	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4935	ctx.save();\
		4936	ctx.fillStyle = \'#000000\';\
		4937	var txt_size = ctx.measureText(yaxislabel).width;\
		4938	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4939	ctx.rotate(-0.5*Math.PI);\
		4940	ctx.fillText(yaxislabel,0,0);\
		4941	ctx.save();\
		4942	};\
7654	schaersvoo	4943	};\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);
		4944	break;
7614	schaersvoo	4945
		4946	case DRAW_GRID:/* not used for userdraw */
		4947	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4948	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){\
		4949	var obj;\
		4950	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4951	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4952	}\
		4953	else\
		4954	{\
		4955	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4956	};\
		4957	var ctx = obj.getContext(\"2d\");\
		4958	ctx.clearRect(0,0,xsize,ysize);\
		4959	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4960	ctx.save();\
		4961	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4962	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4963	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4964	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4965	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4966	ctx.font = font_family;\
		4967	var xstep = xsize*xmajor/(xmax - xmin);\
		4968	var ystep = ysize*ymajor/(ymax - ymin);\
7863	schaersvoo	4969	var z_x=1;var z_y=1;\
		4970	if(xstep < 20){z_x=parseFloat(20/xstep);xstep = 20;};\
		4971	if(ystep < 20){z_y=parseFloat(20/ystep);ystep = 20;};\
7614	schaersvoo	4972	var x2step = xstep / xminor;\
		4973	var y2step = ystep / yminor;\
7654	schaersvoo	4974	var zero_x;var zero_y;var f_x;var f_y;\
		4975	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4976	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4977	ctx.beginPath();\
		4978	ctx.lineWidth = line_width;\
		4979	ctx.strokeStyle = stroke_color;\
		4980	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4981	ctx.moveTo(p,0);\
		4982	ctx.lineTo(p,ysize);\
		4983	};\
		4984	for(var p = zero_x ; p > 0; p = p - xstep){\
		4985	ctx.moveTo(p,0);\
		4986	ctx.lineTo(p,ysize);\
		4987	};\
		4988	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4989	ctx.moveTo(0,p);\
		4990	ctx.lineTo(xsize,p);\
		4991	};\
		4992	for(var p = zero_y ; p > 0; p = p - ystep){\
		4993	ctx.moveTo(0,p);\
		4994	ctx.lineTo(xsize,p);\
		4995	};\
		4996	if( typeof xaxislabel !== 'undefined' ){\
		4997	ctx.save();\
		4998	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4999	var corr = ctx.measureText(xaxislabel).width;\
		5000	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5001	ctx.restore();\
		5002	};\
		5003	if( typeof yaxislabel !== 'undefined' ){\
		5004	ctx.save();\
		5005	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5006	corr = ctx.measureText(yaxislabel).width;\
		5007	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5008	ctx.rotate(-0.5*Math.PI);\
		5009	ctx.fillText(yaxislabel,0,0);\
		5010	ctx.restore();\
		5011	};\
		5012	ctx.stroke();\
		5013	ctx.closePath();\
		5014	if( use_axis == 1 ){\
		5015	ctx.beginPath();\
		5016	ctx.strokeStyle = stroke_color;\
		5017	ctx.lineWidth = 0.6*line_width;\
		5018	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5019	ctx.moveTo(p,0);\
		5020	ctx.lineTo(p,ysize);\
		5021	};\
		5022	for(var p = zero_x ; p > 0; p = p - x2step){\
		5023	ctx.moveTo(p,0);\
		5024	ctx.lineTo(p,ysize);\
		5025	};\
		5026	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5027	ctx.moveTo(0,p);\
		5028	ctx.lineTo(xsize,p);\
		5029	};\
		5030	for(var p = zero_y ; p > 0; p = p - y2step){\
		5031	ctx.moveTo(0,p);\
		5032	ctx.lineTo(xsize,p);\
		5033	};\
		5034	ctx.stroke();\
		5035	ctx.closePath();\
		5036	ctx.beginPath();\
		5037	ctx.lineWidth = 2*line_width;\
		5038	ctx.strokeStyle = axis_color;\
		5039	ctx.moveTo(0,zero_y);\
		5040	ctx.lineTo(xsize,zero_y);\
		5041	ctx.moveTo(zero_x,0);\
		5042	ctx.lineTo(zero_x,ysize);\
		5043	ctx.stroke();\
		5044	ctx.closePath();\
		5045	ctx.lineWidth = line_width+0.5;\
		5046	ctx.beginPath();\
		5047	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5048	ctx.moveTo(p,zero_y-tics_length);\
		5049	ctx.lineTo(p,zero_y+tics_length);\
		5050	};\
		5051	for(var p = zero_x ; p > 0; p = p - xstep){\
		5052	ctx.moveTo(p,zero_y-tics_length);\
		5053	ctx.lineTo(p,zero_y+tics_length);\
		5054	};\
		5055	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5056	ctx.moveTo(zero_x-tics_length,p);\
		5057	ctx.lineTo(zero_x+tics_length,p);\
		5058	};\
		5059	for(var p = zero_y ; p > 0; p = p - ystep){\
		5060	ctx.moveTo(zero_x-tics_length,p);\
		5061	ctx.lineTo(zero_x+tics_length,p);\
		5062	};\
		5063	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5064	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5065	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5066	};\
		5067	for(var p = zero_x ; p > 0; p = p - x2step){\
		5068	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5069	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5070	};\
		5071	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5072	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5073	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5074	};\
		5075	for(var p = zero_y ; p > 0; p = p - y2step){\
		5076	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5077	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5078	};\
		5079	ctx.stroke();\
		5080	ctx.closePath();\
		5081	if( use_axis_numbering == 1 ){\
		5082	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5083	if( x_strings != null ){\
		5084	var f = 1.4;\
		5085	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5086	for(var p = 0 ; p < len ; p = p+2){\
		5087	var x_nums = x2px(eval(x_strings[p]));\
		5088	var x_text = x_strings[p+1];\
		5089	corr = ctx.measureText(x_text).width;\
		5090	skip = 1.2*corr/xstep;\
		5091	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5092	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5093	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5094	}\
		5095	}\
		5096	else\
		5097	{\
7654	schaersvoo	5098	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5099	prec = Math.log(precision)/(Math.log(10));\
7863	schaersvoo	5100	var y_basis = parseInt(zero_y+(1.4f_xfont_size));\
7654	schaersvoo	5101	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5102	if(skip == 0 ){\
7863	schaersvoo	5103	disp_cnt = (z_x*cnt).toFixed(prec);\
7614	schaersvoo	5104	corr = ctx.measureText(disp_cnt).width;\
		5105	skip = parseInt(1.2*corr/xstep);\
7863	schaersvoo	5106	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5107	}\
		5108	else\
		5109	{\
		5110	skip--;\
		5111	};\
		5112	cnt = cnt + xmajor;\
		5113	};\
7654	schaersvoo	5114	cnt = px2x(zero_x);skip = 1;\
		5115	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5116	if(skip == 0 ){\
7863	schaersvoo	5117	disp_cnt = (z_x*cnt).toFixed(prec);\
7614	schaersvoo	5118	corr = ctx.measureText(disp_cnt).width;\
		5119	skip = parseInt(1.2*corr/xstep);\
7863	schaersvoo	5120	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5121	}\
		5122	else\
		5123	{\
		5124	skip--;\
		5125	};\
		5126	cnt = cnt - xmajor;\
		5127	};\
		5128	};\
		5129	if( y_strings != null ){\
		5130	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5131	for(var p = 0 ; p < len ; p = p+2){\
		5132	var y_nums = y2px(eval(y_strings[p]));\
		5133	var y_text = y_strings[p+1];\
		5134	var f = 1.4;\
		5135	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5136	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5137	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5138	};\
		5139	}\
		5140	else\
		5141	{\
7654	schaersvoo	5142	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5143	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5144	if(skip == 0 ){\
		5145	skip = parseInt(1.4*font_size/ystep);\
7863	schaersvoo	5146	disp_cnt = (z_y*cnt).toFixed(prec);\
7654	schaersvoo	5147	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5148	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5149	}\
		5150	else\
		5151	{\
		5152	skip--;\
		5153	};\
		5154	cnt = cnt - ymajor;\
		5155	}\
7654	schaersvoo	5156	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5157	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5158	if(skip == 0 ){\
		5159	skip = parseInt(1.4*font_size/ystep);\
7863	schaersvoo	5160	disp_cnt = (z_y*cnt).toFixed(prec);\
7654	schaersvoo	5161	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5162	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5163	}\
		5164	else\
		5165	{\
		5166	skip--;\
		5167	};\
		5168	cnt = cnt + ymajor;\
		5169	}\
		5170	};\
		5171	};\
		5172	ctx.strokeStyle = stroke_color;\
		5173	ctx.lineWidth = 2;\
		5174	ctx.beginPath();\
		5175	ctx.rect(0,0,xsize,ysize);\
		5176	ctx.closePath();\
		5177	ctx.stroke();\
		5178	};\
		5179	if( typeof linegraph_0 !== 'undefined' ){\
		5180	ctx.restore();\
		5181	ctx.save();\
		5182	ctx.globalAlpha = 1.0;\
		5183	var i = 0;\
		5184	var line_name = eval('linegraph_'+i);\
		5185	while ( typeof line_name !== 'undefined' ){\
		5186	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5187	ctx.lineWidth = parseInt(line_name[1]);\
		5188	if(line_name[2] == \"1\"){\
		5189	var d1 = parseInt(line_name[3]);\
		5190	var d2 = parseInt(line_name[4]);\
		5191	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5192	}\
		5193	else\
		5194	{\
		5195	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5196	if(ctx.mozDash){ctx.mozDash = null;}\
		5197	};\
		5198	var data_x = new Array();\
		5199	var data_y = new Array();\
		5200	var lb = line_name.length;\
		5201	var idx = 0;\
		5202	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5203	data_x[idx] = x2px(line_name[p]);\
		5204	data_y[idx] = y2px(line_name[p+1]);\
		5205	idx++;\
		5206	};\
		5207	for( var p = 0; p < idx ; p++){\
		5208	ctx.beginPath();\
		5209	ctx.moveTo(data_x[p],data_y[p]);\
		5210	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5211	ctx.stroke();\
		5212	ctx.closePath();\
		5213	};\
		5214	i++;\
		5215	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5216	};\
		5217	};\
		5218	var barcolor = new Array();\
		5219	if( typeof barchart%d !== 'undefined' ){\
		5220	ctx.restore();\
		5221	ctx.save();\
		5222	ctx.globalAlpha = 1.0;\
		5223	var bar_x = new Array();\
		5224	var bar_y = new Array();\
		5225	var lb = barchart%d.length;\
		5226	var idx = 0;\
		5227	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5228	bar_x[idx] = x2px(barchart%d[p]);\
		5229	bar_y[idx] = y2px(barchart%d[p+1]);\
		5230	barcolor[idx] = barchart%d[p+2];\
		5231	idx++;\
		5232	};\
		5233	var dx = parseInt(0.6*xstep);\
		5234	ctx.globalAlpha = fill_opacity;\
		5235	for( var p = 0; p < idx ; p++ ){\
		5236	ctx.beginPath();\
		5237	ctx.strokeStyle = barcolor[p];\
		5238	ctx.fillStyle = barcolor[p];\
		5239	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5240	ctx.fill();\
		5241	ctx.stroke();\
		5242	ctx.closePath();\
		5243	};\
		5244	};\
		5245	if( typeof legend%d !== 'undefined' ){\
		5246	ctx.globalAlpha = 1.0;\
		5247	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5248	var y_offset = 2*font_size;\
		5249	var txt;var txt_size;\
		5250	var x_offset = xsize - 2*font_size;\
		5251	var l_length = legend%d.length;\
		5252	if( typeof legendcolors%d !== 'undefined' ){\
		5253	for(var p = 0 ; p < l_length ; p++){\
		5254	barcolor[p] = legendcolors%d[p];\
		5255	};\
		5256	}else{\
		5257	if( barcolor.length == 0 ){\
		5258	for(var p = 0 ; p < l_length ; p++){\
		5259	barcolor[p] = stroke_color;\
		5260	};\
		5261	};\
		5262	};\
		5263	for(var p = 0; p < l_length; p++){\
		5264	ctx.fillStyle = barcolor[p];\
		5265	txt = legend%d[p];\
		5266	txt_size = ctx.measureText(txt).width;\
		5267	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5268	y_offset = parseInt(y_offset + 1.5*font_size);\
		5269	};\
		5270	};\
		5271	ctx.restore();\
		5272	return;\
7653	schaersvoo	5273	};",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	5274	break;
7856	schaersvoo	5275
7614	schaersvoo	5276	case DRAW_PIECHART:
		5277	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5278	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5279	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5280	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5281	}\
		5282	else\
		5283	{\
		5284	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5285	};\
		5286	var ld = data_color_list.length;\
		5287	var sum = 0;\
		5288	var idx = 0;\
		5289	var colors = new Array();\
		5290	var data = new Array();\
		5291	for(var p = 0;p < ld; p = p + 2){\
		5292	data[idx] = parseFloat(data_color_list[p]);\
		5293	sum = sum + data[idx];\
		5294	colors[idx] = data_color_list[p+1];\
		5295	idx++;\
		5296	};\
		5297	var ctx = obj.getContext(\"2d\");\
		5298	ctx.save();\
		5299	var angle;\
		5300	var angle_end = 0;\
		5301	var offset = Math.PI / 2;\
		5302	ctx.globalAlpha = fill_opacity;\
		5303	for(var p=0; p < idx; p++){\
		5304	ctx.beginPath();\
		5305	ctx.fillStyle = colors[p];\
		5306	ctx.moveTo(x_center,y_center);\
		5307	angle = Math.PI * (2 * data[p] / sum);\
		5308	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5309	ctx.lineTo(x_center, y_center);\
		5310	ctx.fill();\
		5311	ctx.closePath();\
		5312	angle_end = angle_end + angle;\
		5313	};\
		5314	if( typeof legend%d !== 'undefined' ){\
		5315	ctx.globalAlpha = 1.0;\
		5316	ctx.font = font_size+\"px \"+font_family;\
		5317	var y_offset = font_size; \
		5318	var x_offset = 0;\
		5319	var txt;var txt_size;\
		5320	for(var p = 0; p < idx; p++){\
		5321	ctx.fillStyle = colors[p];\
		5322	txt = legend%d[p];\
		5323	txt_size = ctx.measureText(txt).width;\
		5324	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5325	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5326	y_offset = parseInt(y_offset + 1.5*font_size);\
		5327	};\
		5328	};\
		5329	ctx.restore();\
7653	schaersvoo	5330	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5331
7614	schaersvoo	5332	break;
		5333	case DRAW_ARCS:
		5334	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5335	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){\
		5336	var obj;\
		5337	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5338	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5339	}\
		5340	else\
		5341	{\
		5342	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5343	};\
		5344	var ctx = obj.getContext(\"2d\");\
		5345	ctx.save();\
		5346	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5347	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5348	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5349	if(end < start){var tmp = end;end = start;start=tmp;};\
		5350	start=360-start;\
		5351	end=360-end;\
		5352	ctx.lineWidth = line_width;\
		5353	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5354	if( use_filled == 1 ){\
		5355	ctx.beginPath();\
		5356	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5357	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5358	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5359	var x2 = xc + rMath.cos(Math.PIend/180);\
		5360	var y2 = yc + rMath.sin(Math.PIend/180);\
		5361	ctx.beginPath();\
		5362	ctx.moveTo(x1,y1);\
		5363	ctx.lineTo(xc,yc);\
		5364	ctx.moveTo(xc,yc);\
		5365	ctx.lineTo(x2,y2);\
		5366	ctx.closePath();\
		5367	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5368	ctx.fill();\
		5369	ctx.stroke();\
		5370	}\
		5371	else\
		5372	{\
		5373	ctx.beginPath();\
		5374	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5375	ctx.stroke();\
		5376	ctx.closePath();\
		5377	}\
		5378	ctx.restore();\
7653	schaersvoo	5379	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5380
7614	schaersvoo	5381	break;
		5382	case DRAW_TEXTS:
		5383	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5384	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5385	var obj;\
		5386	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5387	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5388	}\
		5389	else\
		5390	{\
		5391	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5392	};\
		5393	var ctx = obj.getContext(\"2d\");\
		5394	if(angle2 == 0 && angle != 0){\
		5395	ctx.save();\
		5396	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5397	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5398	};\
		5399	if( font_family.indexOf('px') != null ){\
		5400	ctx.font = font_family;\
		5401	}\
		5402	else\
		5403	{\
		5404	ctx.font = \"+font_size+'px '+font_family \";\
		5405	};\
		5406	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5407	if(angle2 != 0){\
		5408	ctx.save();\
		5409	ctx.translate(x,y);\
		5410	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5411	ctx.fillText(text,0,0);\
		5412	ctx.restore();\
		5413	}else{ctx.fillText(text,x,y);};\
		5414	ctx.restore();\
		5415	return;\
7653	schaersvoo	5416	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5417
7614	schaersvoo	5418	break;
		5419	case DRAW_CURVE:
		5420	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5421	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){\
		5422	var obj;\
		5423	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5424	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5425	}\
		5426	else\
		5427	{\
		5428	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5429	};\
		5430	var ctx = obj.getContext(\"2d\");\
		5431	ctx.save();\
		5432	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5433	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5434	ctx.beginPath();ctx.lineWidth = line_width;\
		5435	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5436	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5437	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5438	for(var p = 1 ; p < x_points.length ; p++){\
		5439	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5440	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5441	}\
		5442	else\
		5443	{\
		5444	ctx.stroke();\
		5445	ctx.beginPath();\
		5446	p++;\
		5447	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5448	};\
		5449	};\
		5450	ctx.stroke();\
		5451	ctx.restore();\
7653	schaersvoo	5452	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5453	break;
7856	schaersvoo	5454
7614	schaersvoo	5455	case DRAW_INPUTS:
		5456	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5457	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5458	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5459	var input = document.createElement(\"input\");\
		5460	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5461	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5462	input.setAttribute(\"size\",size);\
		5463	input.setAttribute(\"value\",value);\
		5464	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5465	canvas_div.appendChild(input);};");
7614	schaersvoo	5466	break;
7856	schaersvoo	5467
7614	schaersvoo	5468	case DRAW_TEXTAREAS:
		5469	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5470	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5471	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5472	var textarea = document.createElement(\"textarea\");\
		5473	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5474	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5475	textarea.setAttribute(\"cols\",cols);\
		5476	textarea.setAttribute(\"rows\",rows);\
		5477	textarea.innerHTML = value;\
7653	schaersvoo	5478	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5479	break;
7856	schaersvoo	5480
7614	schaersvoo	5481	case DRAW_PIXELS:
		5482	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5483	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5484	var canvas = create_canvas%d(10,xsize,ysize);\
		5485	var d = 0.5*pixelsize;\
		5486	var ctx = canvas.getContext(\"2d\");\
		5487	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5488	ctx.clearRect(0,0,xsize,ysize);\
		5489	for(var p=0; p<x.length;p++){\
		5490	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5491	};\
		5492	ctx.fill();ctx.stroke();\
		5493	};",canvas_root_id);
		5494	break;
		5495
		5496	case DRAW_CLOCK:
		5497	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5498	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5499	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5500	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5501	clock_ctx.save();\
		5502	this.type = type \|\| 0;\
		5503	this.interaction = interaction \|\| 0;\
7862	schaersvoo	5504	this.H = H;\
		5505	this.M = M;\
		5506	this.S = S;\
7614	schaersvoo	5507	this.xc = xc \|\| xsize/2;\
		5508	this.yc = yc \|\| ysize/2;\
		5509	this.radius = radius \|\| xsize/4;\
		5510	var font_size = parseInt(0.2*this.radius);\
		5511	this.H_color = h_color \|\| \"blue\";\
		5512	this.M_color = m_color \|\| \"blue\";\
		5513	this.S_color = s_color \|\| \"blue\";\
		5514	this.fg_color = fg_color \|\| \"red\";\
		5515	this.bg_color = bg_color \|\| \"white\";\
		5516	clock_ctx.translate(this.xc,this.yc);\
		5517	clock_ctx.beginPath();\
		5518	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5519	clock_ctx.fillStyle = this.bg_color;\
		5520	clock_ctx.fill();\
		5521	clock_ctx.closePath();\
		5522	clock_ctx.beginPath();\
		5523	clock_ctx.font = font_size+\"px Arial\";\
		5524	clock_ctx.fillStyle = this.fg_color;\
		5525	clock_ctx.textAlign = \"center\";\
		5526	clock_ctx.textBaseline = 'middle';\
		5527	var angle;var x1,y1,x2,y2;\
		5528	var angle_cos;var angle_sin;\
		5529	switch(type){\
		5530	case 0:clock_ctx.beginPath();\
		5531	for(var p = 1; p <= 12 ; p++){\
		5532	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5533	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5534	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5535	clock_ctx.moveTo(x1,y1);\
		5536	clock_ctx.lineTo(x2,y2);\
		5537	};\
		5538	for(var p = 1; p <= 60 ; p++){\
		5539	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5540	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5541	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5542	clock_ctx.moveTo(x1,y1);\
		5543	clock_ctx.lineTo(x2,y2);\
		5544	};\
		5545	clock_ctx.closePath();\
		5546	clock_ctx.stroke();\
		5547	break;\
		5548	case 1:\
		5549	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;\
7862	schaersvoo	5550	case 2:\
		5551	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8this.radiusMath.cos(angle);y1 = 0.8this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
7614	schaersvoo	5552	clock_ctx.beginPath();\
		5553	for(var p = 1; p <= 12 ; p++){\
		5554	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5555	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5556	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5557	clock_ctx.moveTo(x1,y1);\
		5558	clock_ctx.lineTo(x2,y2);\
		5559	};\
		5560	for(var p = 1; p <= 60 ; p++){\
		5561	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5562	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5563	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5564	clock_ctx.moveTo(x1,y1);\
		5565	clock_ctx.lineTo(x2,y2);\
		5566	};\
		5567	clock_ctx.closePath();\
		5568	clock_ctx.stroke();\
		5569	break;\
		5570	};\
		5571	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5572	clock_ctx.rotate(angle);\
		5573	clock_ctx.beginPath();\
		5574	clock_ctx.moveTo(-3, -2);\
		5575	clock_ctx.lineTo(-3, 2);\
		5576	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5577	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5578	clock_ctx.fillStyle = this.H_color;\
		5579	clock_ctx.fill();\
		5580	clock_ctx.rotate(-angle);\
		5581	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5582	clock_ctx.rotate(angle);\
		5583	clock_ctx.beginPath();\
		5584	clock_ctx.moveTo(-3, -2);\
		5585	clock_ctx.lineTo(-3, 2);\
		5586	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5587	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5588	clock_ctx.fillStyle = this.M_color;\
		5589	clock_ctx.fill();\
		5590	clock_ctx.rotate(-angle);\
		5591	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5592	clock_ctx.rotate(angle);\
		5593	clock_ctx.beginPath();\
		5594	clock_ctx.moveTo(0,0);\
		5595	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5596	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5597	clock_ctx.strokeStyle = this.S_color;\
		5598	clock_ctx.stroke();\
		5599	clock_ctx.restore();\
7653	schaersvoo	5600	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5601	break;
		5602
		5603	case DRAW_LATTICE:
		5604	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5605	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){\
		5606	var obj;\
		5607	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5608	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5609	}\
		5610	else\
		5611	{\
		5612	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5613	};\
		5614	var ctx = obj.getContext(\"2d\");\
		5615	ctx.save();\
		5616	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5617	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5618	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5619	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5620	var radius = line_width;\
		5621	var x = 0;\
		5622	var y = 0;\
		5623	var x_step_px = xsize/(xmax-xmin);\
		5624	var y_step_px = ysize/(ymax-ymin);\
		5625	var xv1 = dx1*x_step_px;\
		5626	var yv1 = dy1*y_step_px;\
		5627	var xv2 = dx2*x_step_px;\
		5628	var yv2 = dy2*y_step_px;\
		5629	for(var p = 0; p < n1 ;p++){\
		5630	x = p*xv1 + x0;\
		5631	y = p*yv1 + y0;\
		5632	for(var c = 0; c < n2 ; c++){\
		5633	ctx.beginPath();\
		5634	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5635	ctx.fill();\
		5636	ctx.stroke();\
		5637	ctx.closePath();\
		5638	};\
		5639	};\
		5640	ctx.restore();\
		5641	return;\
7653	schaersvoo	5642	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5643	break;
7735	schaersvoo	5644	case DRAW_XYLOGSCALE:
		5645	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5646	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	5647	var obj;\n\
		5648	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5649	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5650	}\n\
		5651	else\n\
		5652	{\n\
		5653	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5654	};\n\
		5655	var ctx = obj.getContext(\"2d\");\n\
		5656	ctx.clearRect(0,0,xsize,ysize);\
		5657	ctx.save();\n\
7739	schaersvoo	5658	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5659	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5660	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5661	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5662	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5663	if(use_axis_numbering == 1){\
		5664	ctx.font = font_family;\n\
		5665	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5666	ymarge = parseInt(1.5*font_size);\n\
		5667	ctx.save();\n\
		5668	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5669	ctx.rect(0,0,xmarge,ysize);\n\
		5670	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5671	ctx.fill();\n\
		5672	ctx.restore();\n\
		5673	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5674	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5675	ctx.save();\n\
		5676	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5677	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5678	corr = ctx.measureText(xaxislabel).width;\n\
		5679	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5680	ctx.restore();\n\
		5681	};\n\
7735	schaersvoo	5682	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5683	ctx.save();\n\
		5684	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5685	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5686	corr = ctx.measureText(yaxislabel).width;\n\
		5687	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5688	ctx.rotate(-0.5*Math.PI);\n\
		5689	ctx.fillText(yaxislabel,0,0);\n\
		5690	ctx.restore();\n\
		5691	};\n\
		5692	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5693	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5694	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5695	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5696	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5697	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5698	if( i == 1 ){\
7739	schaersvoo	5699	ctx.lineWidth = line_width;\n\n\
		5700	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5701	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5702	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5703	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5704	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5705	};\n\
7735	schaersvoo	5706	}else{\
7739	schaersvoo	5707	ctx.lineWidth = 0.2*line_width;\n\n\
		5708	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5709	};\n\
7738	schaersvoo	5710	if( x_e >= xmarge ){\
		5711	ctx.beginPath();\n\
		5712	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5713	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5714	ctx.stroke();\n\
		5715	ctx.closePath();\n\
		5716	};\
7735	schaersvoo	5717	};\n\
		5718	};\n\
		5719	for(var p = y_min; p <= y_max ; p++){\n\
		5720	num = Math.pow(ylogbase,p);\n\
		5721	for(var i = 1 ; i < ylogbase ; i++){\n\
		5722	y_e = y2px(i*num);\n\
7739	schaersvoo	5723	if( i == 1 ){\n\
7735	schaersvoo	5724	ctx.lineWidth = line_width;\n\
		5725	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5726	if( use_axis_numbering == 1 && p > y_min){\n\
		5727	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5728	};\n\
		5729	}else{\n\
7735	schaersvoo	5730	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5731	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5732	};\n\
7735	schaersvoo	5733	ctx.beginPath();\n\
7738	schaersvoo	5734	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5735	ctx.lineTo(xsize,y_e);\n\
		5736	ctx.stroke();\n\
		5737	ctx.closePath();\n\
		5738	};\n\
		5739	};\n\
		5740	ctx.restore();\
		5741	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5742	break;
7614	schaersvoo	5743
7735	schaersvoo	5744	case DRAW_XLOGSCALE:
		5745	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5746	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	5747	var obj;\n\
		5748	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5749	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5750	}\n\
		5751	else\n\
		5752	{\n\
		5753	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5754	};\n\
		5755	var ctx = obj.getContext(\"2d\");\n\
		5756	ctx.clearRect(0,0,xsize,ysize);\
		5757	ctx.save();\n\
		5758	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5759	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5760	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5761	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5762	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5763	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5764	if(use_axis_numbering == 1){\
		5765	ctx.font = font_family;\n\
		5766	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5767	ymarge = parseInt(1.5*font_size);\n\
		5768	ctx.save();\n\
		5769	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5770	ctx.rect(0,0,xmarge,ysize);\n\
		5771	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5772	ctx.fill();\n\
		5773	ctx.restore();\n\
		5774	}else{xmarge = 0;ymarge = 0;};\n\
		5775	if( typeof xaxislabel !== 'undefined' ){\
		5776	ctx.save();\n\
		5777	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5778	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5779	corr = ctx.measureText(xaxislabel).width;\n\
		5780	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5781	ctx.restore();\n\
		5782	};\n\
		5783	if( typeof yaxislabel !== 'undefined' ){\
		5784	ctx.save();\n\
		5785	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5786	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5787	corr = ctx.measureText(yaxislabel).width;\n\
		5788	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5789	ctx.rotate(-0.5*Math.PI);\n\
		5790	ctx.fillText(yaxislabel,0,0);\n\
		5791	ctx.restore();\n\
		5792	};\n\
		5793	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5794	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5795	for(var p = x_min; p <= x_max ; p++){\n\
		5796	num = Math.pow(xlogbase,p);\n\
		5797	for(var i = 1 ; i < xlogbase ; i++){\n\
		5798	x_e = x2px(i*num);\n\
		5799	if( i == 1 ){\
7739	schaersvoo	5800	ctx.lineWidth = line_width;\n\
		5801	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5802	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5803	xtxt = xlogbase+'^'+p.toFixed(0);\
		5804	corr = 0.5*(ctx.measureText(xtxt).width);\
		5805	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5806	};\
		5807	}else{\
		5808	ctx.lineWidth = 0.2*line_width;\n\
		5809	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5810	};\
7739	schaersvoo	5811	if( x_e >= xmarge ){\
		5812	ctx.beginPath();\n\
		5813	ctx.moveTo(x_e,0);\n\
		5814	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5815	ctx.stroke();\n\
		5816	ctx.closePath();\n\
		5817	};\
		5818	};\
7735	schaersvoo	5819	};\n\
		5820	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5821	var minor_step = stepy / yminor;\
7749	schaersvoo	5822	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5823	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5824	ctx.lineWidth = line_width;\n\
		5825	ctx.beginPath();\n\
7739	schaersvoo	5826	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5827	ctx.lineTo(xsize,y);\n\
		5828	ctx.stroke();\n\
		5829	ctx.closePath();\n\
		5830	if( use_axis_numbering == 1){\
		5831	ytxt = (px2y(y)).toFixed(prec);\
		5832	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5833	};\
		5834	for(var dy = 1 ; dy < yminor ; dy++){\
		5835	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5836	ctx.lineWidth = 0.2*line_width;\n\
		5837	ctx.beginPath();\n\
7739	schaersvoo	5838	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5839	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5840	ctx.stroke();\n\
		5841	ctx.closePath();\n\
		5842	};\
		5843	};\
		5844	ctx.restore();\n\
		5845	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5846	break;
7729	schaersvoo	5847	case DRAW_YLOGSCALE:
		5848	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5849	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	5850	var obj;\n\
		5851	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5852	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5853	}\n\
		5854	else\n\
		5855	{\n\
		5856	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5857	};\n\
		5858	var ctx = obj.getContext(\"2d\");\n\
		5859	ctx.clearRect(0,0,xsize,ysize);\
		5860	ctx.save();\n\
		5861	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5862	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5863	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5864	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5865	if(use_axis_numbering == 1){\
		5866	ctx.font = font_family;\n\
		5867	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5868	ymarge = 2*font_size;\n\
		5869	ctx.save();\n\
		5870	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5871	ctx.rect(0,0,xmarge,ysize);\n\
		5872	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5873	ctx.fill();\n\
		5874	ctx.restore();\n\
		5875	}else{xmarge = 0;ymarge = 0;};\n\
		5876	if( typeof xaxislabel !== 'undefined' ){\
		5877	ctx.save();\n\
		5878	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5879	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5880	corr = ctx.measureText(xaxislabel).width;\n\
		5881	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5882	ctx.restore();\n\
		5883	};\n\
		5884	if( typeof yaxislabel !== 'undefined' ){\
		5885	ctx.save();\n\
		5886	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5887	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5888	corr = ctx.measureText(yaxislabel).width;\n\
		5889	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5890	ctx.rotate(-0.5*Math.PI);\n\
		5891	ctx.fillText(yaxislabel,0,0);\n\
		5892	ctx.restore();\n\
		5893	};\n\
		5894	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5895	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5896	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5897	num = Math.pow(ylogbase,p);\n\
		5898	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5899	y_e = y2px(i*num);\n\
		5900	if( i == 1 ){\
		5901	ctx.lineWidth = line_width;\n\
		5902	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5903	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5904	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5905	};\
		5906	}else{\
		5907	ctx.lineWidth = 0.2*line_width;\n\
		5908	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5909	};\
		5910	ctx.beginPath();\n\
7739	schaersvoo	5911	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5912	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5913	ctx.stroke();\n\
		5914	ctx.closePath();\n\
		5915	};\n\
		5916	};\n\
		5917	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5918	var minor_step = stepx / xminor;\
		5919	var prec = Math.log(precision)/Math.log(10);\
		5920	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5921	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5922	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5923	ctx.lineWidth = line_width;\n\
		5924	ctx.beginPath();\n\
7739	schaersvoo	5925	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5926	ctx.lineTo(x,0);\n\
		5927	ctx.stroke();\n\
		5928	ctx.closePath();\n\
		5929	if( use_axis_numbering == 1){\
		5930	xtxt = (px2x(x)).toFixed(prec);\
		5931	corr = 0.5*(ctx.measureText(xtxt).width);\
		5932	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5933	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5934	};\
		5935	for(var dx = 1 ; dx < xminor ; dx++){\
		5936	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5937	ctx.lineWidth = 0.2*line_width;\n\
		5938	ctx.beginPath();\n\
7739	schaersvoo	5939	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5940	ctx.lineTo(x+dx*minor_step,0);\n\
		5941	ctx.stroke();\n\
		5942	ctx.closePath();\n\
7735	schaersvoo	5943	};\
		5944	};\
7729	schaersvoo	5945	ctx.restore();\n\
		5946	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5947
		5948	break;
7735	schaersvoo	5949
		5950
7614	schaersvoo	5951	default:break;
		5952	}
		5953	}
		5954	}
		5955	return;
		5956	}
		5957
		5958	void check_string_length(int L){
		5959	if(L<1 \|\| L > MAX_BUFFER-1){
		5960	canvas_error("problem with your arguments to command...");
		5961	}
		5962	return;
		5963	}
		5964
		5965
		5966	int get_token(FILE *infile){
		5967	int c,i=0;
		5968	char temp[MAX_INT], *input_type;
		5969	char *line="line",
		5970	*audio="audio",
		5971	*blink="blink",
		5972	*arrowhead="arrowhead",
		5973	*crosshairsize="crosshairsize",
		5974	*crosshair="crosshair",
		5975	*crosshairs="crosshairs",
		5976	*audioobject="audioobject",
		5977	*style="style",
		5978	*mouse="mouse",
		5979	*userdraw="userdraw",
		5980	*highlight="highlight",
		5981	*http="http",
		5982	*rays="rays",
		5983	*dashtype="dashtype",
		5984	*dashed="dashed",
		5985	*filled="filled",
		5986	*lattice="lattice",
		5987	*parallel="parallel",
		5988	*segment="segment",
		5989	*dsegment="dsegment",
		5990	*seg="seg",
		5991	*bgimage="bgimage",
		5992	*bgcolor="bgcolor",
		5993	*strokecolor="strokecolor",
		5994	*backgroundimage="backgroundimage",
		5995	*text="text",
		5996	*textup="textup",
		5997	*mouseprecision="mouseprecision",
		5998	*precision="precision",
		5999	*plotsteps="plotsteps",
		6000	*plotstep="plotstep",
		6001	*tsteps="tsteps",
		6002	*curve="curve",
		6003	*dcurve="dcurve",
		6004	*plot="plot",
		6005	*dplot="dplot",
7788	schaersvoo	6006	*levelcurve="levelcurve",
7614	schaersvoo	6007	*fontsize="fontsize",
		6008	*fontcolor="fontcolor",
		6009	*axis="axis",
		6010	*axisnumbering="axisnumbering",
		6011	*axisnumbers="axisnumbers",
		6012	*arrow="arrow",
		6013	*darrow="darrow",
		6014	*arrow2="arrow2",
		6015	*darrow2="darrow2",
		6016	*zoom="zoom",
		6017	*grid="grid",
		6018	*hline="hline",
7786	schaersvoo	6019	*dhline="dhline",
7614	schaersvoo	6020	*drag="drag",
		6021	*horizontalline="horizontalline",
		6022	*vline="vline",
7786	schaersvoo	6023	*dvline="dvline",
7614	schaersvoo	6024	*verticalline="verticalline",
		6025	*triangle="triangle",
		6026	*ftriangle="ftriangle",
		6027	*mathml="mathml",
		6028	*html="html",
		6029	*input="input",
		6030	*button="button",
		6031	*inputstyle="inputstyle",
		6032	*textarea="textarea",
		6033	*trange="trange",
		6034	*ranget="ranget",
		6035	*xrange="xrange",
		6036	*yrange="yrange",
		6037	*rangex="rangex",
		6038	*rangey="rangey",
		6039	*polyline="polyline",
		6040	*lines="lines",
		6041	*poly="poly",
		6042	*polygon="polygon",
		6043	*fpolygon="fpolygon",
		6044	*fpoly="fpoly",
		6045	*filledpoly="filledpoly",
		6046	*filledpolygon="filledpolygon",
		6047	*rect="rect",
		6048	*frect="frect",
		6049	*rectangle="rectangle",
		6050	*frectangle="frectangle",
		6051	*square="square",
		6052	*fsquare="fsquare",
		6053	*dline="dline",
		6054	*arc="arc",
		6055	*filledarc="filledarc",
		6056	*size="size",
		6057	*string="string",
		6058	*stringup="stringup",
		6059	*copy="copy",
		6060	*copyresized="copyresized",
		6061	*opacity="opacity",
		6062	*transparent="transparent",
		6063	*fill="fill",
		6064	*slider="slider",
		6065	*point="point",
		6066	*points="points",
		6067	*linewidth="linewidth",
		6068	*circle="circle",
		6069	*fcircle="fcircle",
		6070	*disk="disk",
		6071	*comment="#",
		6072	*end="end",
		6073	*ellipse="ellipse",
		6074	*fellipse="fellipse",
		6075	*rotate="rotate",
7785	schaersvoo	6076	*affine="affine",
		6077	*killaffine="killaffine",
7614	schaersvoo	6078	*fontfamily="fontfamily",
		6079	*fillcolor="fillcolor",
		6080	*clicktile="clicktile",
		6081	*clicktile_colors="clicktile_colors",
		6082	*translation="translation",
		6083	*translate="translate",
		6084	*killtranslation="killtranslation",
		6085	*killtranslate="killtranslate",
		6086	*onclick="onclick",
		6087	*roundrect="roundrect",
		6088	*froundrect="froundrect",
		6089	*roundrectangle="roundrectangle",
		6090	*patternfill="patternfill",
		6091	*hatchfill="hatchfill",
		6092	*diafill="diafill",
7647	schaersvoo	6093	*diamondfill="diamondfill",
7614	schaersvoo	6094	*dotfill="dotfill",
		6095	*gridfill="gridfill",
		6096	*imagefill="imagefill",
7735	schaersvoo	6097	*xlogbase="xlogbase",
		6098	*ylogbase="ylogbase",
7614	schaersvoo	6099	*xlogscale="xlogscale",
		6100	*ylogscale="ylogscale",
		6101	*xylogscale="xylogscale",
		6102	*intooltip="intooltip",
		6103	*replyformat="replyformat",
		6104	*floodfill="floodfill",
		6105	*filltoborder="filltoborder",
		6106	*clickfill="clickfill",
		6107	*setpixel="setpixel",
		6108	*pixels="pixels",
		6109	*pixelsize="pixelsize",
		6110	*clickfillmarge="clickfillmarge",
		6111	*xaxis="xaxis",
		6112	*yaxis="yaxis",
		6113	*xaxistext="xaxistext",
		6114	*yaxistext="yaxistext",
		6115	*piechart="piechart",
		6116	*legend="legend",
		6117	*legendcolors="legendcolors",
		6118	*xlabel="xlabel",
		6119	*ylabel="ylabel",
		6120	*barchart="barchart",
		6121	*linegraph="linegraph",
		6122	*clock="clock",
		6123	*animate="animate",
		6124	*video="video",
		6125	*status="status",
7652	schaersvoo	6126	*snaptogrid="snaptogrid",
7784	schaersvoo	6127	*xsnaptogrid="xsnaptogrid",
		6128	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6129	*userinput_xy="userinput_xy",
7663	schaersvoo	6130	*usertextarea_xy="usertextarea_xy",
7823	schaersvoo	6131	*jsmath="jsmath",
7858	schaersvoo	6132	*trace_jscurve="trace_jscurve",
7838	schaersvoo	6133	*setlimits="setlimits",
7858	schaersvoo	6134	*jscurve="jscurve",
		6135	*jsplot="jsplot",
7654	schaersvoo	6136	*sgraph="sgraph";
7614	schaersvoo	6137
		6138	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6139	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6140	continue; /* white spaces or tabs allowed before first command identifier */
		6141	}
		6142	else
		6143	{
		6144	if( c == ' ' \|\| c == '\t' ){
		6145	break;
		6146	}
		6147	else
		6148	{
		6149	temp[i] = c;
		6150	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6151	i++;
		6152	}
		6153	}
		6154	if(temp[0] == '#') break;
		6155	}
		6156	if (c == EOF) finished = 1;
		6157
		6158	if (c == '\n' \|\| c == '\r') {
		6159	line_number++;
		6160	if (i == 0) { return EMPTY; }
		6161	} else if (c == EOF) {
		6162	return 0;
		6163	}
		6164
		6165	temp[i]='\0';
		6166	input_type=(char*)my_newmem(strlen(temp));
		6167	snprintf(input_type,sizeof(temp),"%s",temp);
		6168
		6169	if( strcmp(input_type, size) == 0 ){
		6170	free(input_type);
		6171	return SIZE;
		6172	}
		6173	if( strcmp(input_type, xrange) == 0 ){
		6174	free(input_type);
		6175	return XRANGE;
		6176	}
		6177	if( strcmp(input_type, rangex) == 0 ){
		6178	free(input_type);
		6179	return XRANGE;
		6180	}
		6181	if( strcmp(input_type, trange) == 0 ){
		6182	free(input_type);
		6183	return TRANGE;
		6184	}
		6185	if( strcmp(input_type, ranget) == 0 ){
		6186	free(input_type);
		6187	return TRANGE;
		6188	}
		6189	if( strcmp(input_type, yrange) == 0 ){
		6190	free(input_type);
		6191	return YRANGE;
		6192	}
		6193	if( strcmp(input_type, rangey) == 0 ){
		6194	free(input_type);
		6195	return YRANGE;
		6196	}
		6197	if( strcmp(input_type, linewidth) == 0 ){
		6198	free(input_type);
		6199	return LINEWIDTH;
		6200	}
		6201	if( strcmp(input_type, dashed) == 0 ){
		6202	free(input_type);
		6203	return DASHED;
		6204	}
		6205	if( strcmp(input_type, dashtype) == 0 ){
		6206	free(input_type);
		6207	return DASHTYPE;
		6208	}
		6209	if( strcmp(input_type, axisnumbering) == 0 ){
		6210	free(input_type);
		6211	return AXIS_NUMBERING;
		6212	}
		6213	if( strcmp(input_type, axisnumbers) == 0 ){
		6214	free(input_type);
		6215	return AXIS_NUMBERING;
		6216	}
		6217	if( strcmp(input_type, axis) == 0 ){
		6218	free(input_type);
		6219	return AXIS;
		6220	}
		6221	if( strcmp(input_type, grid) == 0 ){
		6222	free(input_type);
		6223	return GRID;
		6224	}
		6225	if( strcmp(input_type, parallel) == 0 ){
		6226	free(input_type);
		6227	return PARALLEL;
		6228	}
		6229	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6230	free(input_type);
		6231	return HLINE;
		6232	}
		6233	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6234	free(input_type);
		6235	return VLINE;
		6236	}
		6237	if( strcmp(input_type, line) == 0 ){
		6238	free(input_type);
		6239	return LINE;
		6240	}
		6241	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6242	free(input_type);
		6243	return SEGMENT;
		6244	}
		6245	if( strcmp(input_type, dsegment) == 0 ){
		6246	free(input_type);
		6247	use_dashed = TRUE;
		6248	return SEGMENT;
		6249	}
		6250	if( strcmp(input_type, crosshairsize) == 0 ){
		6251	free(input_type);
		6252	return CROSSHAIRSIZE;
		6253	}
		6254	if( strcmp(input_type, arrowhead) == 0 ){
		6255	free(input_type);
		6256	return ARROWHEAD;
		6257	}
		6258	if( strcmp(input_type, crosshairs) == 0 ){
		6259	free(input_type);
		6260	return CROSSHAIRS;
		6261	}
		6262	if( strcmp(input_type, crosshair) == 0 ){
		6263	free(input_type);
		6264	return CROSSHAIR;
		6265	}
		6266	if( strcmp(input_type, onclick) == 0 ){
		6267	free(input_type);
		6268	return ONCLICK;
		6269	}
		6270	if( strcmp(input_type, drag) == 0 ){
		6271	free(input_type);
		6272	return DRAG;
		6273	}
		6274	if( strcmp(input_type, userdraw) == 0 ){
		6275	free(input_type);
		6276	return USERDRAW;
		6277	}
		6278	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6279	free(input_type);
		6280	return STYLE;
		6281	}
		6282	if( strcmp(input_type, fillcolor) == 0 ){
		6283	free(input_type);
		6284	return FILLCOLOR;
		6285	}
		6286	if( strcmp(input_type, strokecolor) == 0 ){
		6287	free(input_type);
		6288	return STROKECOLOR;
		6289	}
		6290	if( strcmp(input_type, filled) == 0 ){
		6291	free(input_type);
		6292	return FILLED;
		6293	}
		6294	if( strcmp(input_type, http) == 0 ){
		6295	free(input_type);
		6296	return HTTP;
		6297	}
		6298	if( strcmp(input_type, rays) == 0 ){
		6299	free(input_type);
		6300	return RAYS;
		6301	}
		6302	if( strcmp(input_type, lattice) == 0 ){
		6303	free(input_type);
		6304	return LATTICE;
		6305	}
		6306	if( strcmp(input_type, bgimage) == 0 ){
		6307	free(input_type);
		6308	return BGIMAGE;
		6309	}
		6310	if( strcmp(input_type, bgcolor) == 0 ){
		6311	free(input_type);
		6312	return BGCOLOR;
		6313	}
		6314	if( strcmp(input_type, backgroundimage) == 0 ){
		6315	free(input_type);
		6316	return BGIMAGE;
		6317	}
		6318	if( strcmp(input_type, text) == 0 ){
		6319	free(input_type);
		6320	return FLY_TEXT;
		6321	}
		6322	if( strcmp(input_type, textup) == 0 ){
		6323	free(input_type);
		6324	return FLY_TEXTUP;
		6325	}
		6326	if( strcmp(input_type, mouse) == 0 ){
		6327	free(input_type);
		6328	return MOUSE;
		6329	}
		6330	if( strcmp(input_type, mouseprecision) == 0 ){
		6331	free(input_type);
		6332	return MOUSE_PRECISION;
		6333	}
		6334	if( strcmp(input_type, precision) == 0 ){
		6335	free(input_type);
		6336	return MOUSE_PRECISION;
		6337	}
		6338	if( strcmp(input_type, curve) == 0 ){
		6339	free(input_type);
		6340	return CURVE;
		6341	}
		6342	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6343	use_dashed = TRUE;
7614	schaersvoo	6344	free(input_type);
		6345	return CURVE;
		6346	}
		6347	if( strcmp(input_type, plot) == 0 ){
		6348	free(input_type);
		6349	return CURVE;
		6350	}
		6351	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6352	use_dashed = TRUE;
7614	schaersvoo	6353	free(input_type);
		6354	return CURVE;
		6355	}
7788	schaersvoo	6356	if( strcmp(input_type, levelcurve) == 0 ){
		6357	free(input_type);
		6358	return LEVELCURVE;
		6359	}
7614	schaersvoo	6360	if( strcmp(input_type, plotsteps) == 0 ){
		6361	free(input_type);
		6362	return PLOTSTEPS;
		6363	}
		6364	if( strcmp(input_type, plotstep) == 0 ){
		6365	free(input_type);
		6366	return PLOTSTEPS;
		6367	}
		6368	if( strcmp(input_type, tsteps) == 0 ){
		6369	free(input_type);
		6370	return PLOTSTEPS;
		6371	}
		6372	if( strcmp(input_type, fontsize) == 0 ){
		6373	free(input_type);
		6374	return FONTSIZE;
		6375	}
		6376	if( strcmp(input_type, fontcolor) == 0 ){
		6377	free(input_type);
		6378	return FONTCOLOR;
		6379	}
		6380	if( strcmp(input_type, arrow) == 0 ){
		6381	free(input_type);
		6382	return ARROW;
		6383	}
		6384	if( strcmp(input_type, arrow2) == 0 ){
		6385	free(input_type);
		6386	return ARROW2;
		6387	}
		6388	if( strcmp(input_type, darrow) == 0 ){
		6389	free(input_type);
		6390	return ARROW;
		6391	}
		6392	if( strcmp(input_type, darrow2) == 0 ){
		6393	free(input_type);
		6394	use_dashed = TRUE;
		6395	return ARROW2;
		6396	}
		6397	if( strcmp(input_type, zoom) == 0 ){
		6398	free(input_type);
		6399	return ZOOM;
		6400	}
		6401	if( strcmp(input_type, triangle) == 0 ){
		6402	free(input_type);
		6403	return TRIANGLE;
		6404	}
		6405	if( strcmp(input_type, ftriangle) == 0 ){
		6406	free(input_type);
		6407	use_filled = TRUE;
		6408	return TRIANGLE;
		6409	}
		6410	if( strcmp(input_type, input) == 0 ){
		6411	free(input_type);
		6412	return INPUT;
		6413	}
		6414	if( strcmp(input_type, inputstyle) == 0 ){
		6415	free(input_type);
		6416	return INPUTSTYLE;
		6417	}
		6418	if( strcmp(input_type, textarea) == 0 ){
		6419	free(input_type);
		6420	return TEXTAREA;
		6421	}
		6422	if( strcmp(input_type, mathml) == 0 ){
		6423	free(input_type);
		6424	return MATHML;
		6425	}
		6426	if( strcmp(input_type, html) == 0 ){
		6427	free(input_type);
		6428	return MATHML;
		6429	}
		6430	if( strcmp(input_type, fontfamily) == 0 ){
		6431	free(input_type);
		6432	return FONTFAMILY;
		6433	}
		6434	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6435	free(input_type);
		6436	return POLYLINE;
		6437	}
		6438	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6439	free(input_type);
		6440	return RECT;
		6441	}
		6442	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6443	free(input_type);
		6444	return ROUNDRECT;
		6445	}
		6446	if( strcmp(input_type, froundrect) == 0 ){
		6447	free(input_type);
		6448	use_filled = TRUE;
		6449	return ROUNDRECT;
		6450	}
		6451	if( strcmp(input_type, square) == 0 ){
		6452	free(input_type);
		6453	return SQUARE;
		6454	}
		6455	if( strcmp(input_type, fsquare) == 0 ){
		6456	free(input_type);
		6457	use_filled = TRUE;
		6458	return SQUARE;
		6459	}
		6460	if( strcmp(input_type, dline) == 0 ){
		6461	use_dashed = TRUE;
		6462	free(input_type);
		6463	return LINE;
		6464	}
7786	schaersvoo	6465	if( strcmp(input_type, dvline) == 0 ){
		6466	use_dashed = TRUE;
		6467	free(input_type);
		6468	return VLINE;
		6469	}
		6470	if( strcmp(input_type, dhline) == 0 ){
		6471	use_dashed = TRUE;
		6472	free(input_type);
		6473	return HLINE;
		6474	}
7614	schaersvoo	6475	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6476	use_filled = TRUE;
		6477	free(input_type);
		6478	return RECT;
		6479	}
		6480	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6481	use_filled = TRUE;
		6482	free(input_type);
		6483	return CIRCLE;
		6484	}
		6485	if( strcmp(input_type, circle) == 0 ){
		6486	free(input_type);
		6487	return CIRCLE;
		6488	}
		6489	if( strcmp(input_type, point) == 0 ){
		6490	free(input_type);
		6491	return POINT;
		6492	}
		6493	if( strcmp(input_type, points) == 0 ){
		6494	free(input_type);
		6495	return POINTS;
		6496	}
		6497	if( strcmp(input_type, filledarc) == 0 ){
		6498	use_filled = TRUE;
		6499	free(input_type);
		6500	return ARC;
		6501	}
		6502	if( strcmp(input_type, arc) == 0 ){
		6503	free(input_type);
		6504	return ARC;
		6505	}
		6506	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6507	free(input_type);
		6508	return POLY;
		6509	}
		6510	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6511	use_filled = TRUE;
		6512	free(input_type);
		6513	return POLY;
		6514	}
		6515	if( strcmp(input_type, ellipse) == 0){
		6516	free(input_type);
		6517	return ELLIPSE;
		6518	}
		6519	if( strcmp(input_type, fill) == 0 ){
		6520	free(input_type);
		6521	return FLOODFILL;
		6522	}
		6523	if( strcmp(input_type, string) == 0 ){
		6524	free(input_type);
		6525	return STRING;
		6526	}
		6527	if( strcmp(input_type, stringup) == 0 ){
		6528	free(input_type);
		6529	return STRINGUP;
		6530	}
		6531	if( strcmp(input_type, opacity) == 0 ){
		6532	free(input_type);
		6533	return OPACITY;
		6534	}
		6535	if( strcmp(input_type, comment) == 0){
		6536	free(input_type);
		6537	return COMMENT;
		6538	}
		6539	if( strcmp(input_type, end) == 0){
		6540	free(input_type);
		6541	return END;
		6542	}
		6543	if( strcmp(input_type, fellipse) == 0){
		6544	free(input_type);
		6545	use_filled = TRUE;
		6546	return ELLIPSE;
7856	schaersvoo	6547	}
7614	schaersvoo	6548	if( strcmp(input_type, blink) == 0 ){
		6549	free(input_type);
		6550	return BLINK;
		6551	}
		6552	if( strcmp(input_type, button) == 0){
		6553	free(input_type);
		6554	return BUTTON;
		6555	}
		6556	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6557	free(input_type);
		6558	return TRANSLATION;
		6559	}
		6560	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6561	free(input_type);
		6562	return KILLTRANSLATION;
		6563	}
		6564	if( strcmp(input_type, rotate) == 0){
		6565	free(input_type);
		6566	return ROTATE;
		6567	}
7785	schaersvoo	6568	if( strcmp(input_type, affine) == 0){
		6569	free(input_type);
		6570	return AFFINE;
		6571	}
		6572	if( strcmp(input_type, killaffine) == 0){
		6573	free(input_type);
		6574	return KILLAFFINE;
		6575	}
7614	schaersvoo	6576	if( strcmp(input_type, audio) == 0 ){
		6577	free(input_type);
		6578	return AUDIO;
		6579	}
		6580	if( strcmp(input_type, audioobject) == 0 ){
		6581	free(input_type);
		6582	return AUDIOOBJECT;
		6583	}
		6584	if( strcmp(input_type, slider) == 0 ){
		6585	free(input_type);
		6586	return SLIDER;
		6587	}
		6588	if( strcmp(input_type, copy) == 0 ){
		6589	free(input_type);
		6590	return COPY;
		6591	}
		6592	if( strcmp(input_type, copyresized) == 0 ){
		6593	free(input_type);
		6594	return COPYRESIZED;
		6595	}
		6596	if( strcmp(input_type, patternfill) == 0 ){
		6597	free(input_type);
		6598	return PATTERNFILL;
		6599	}
		6600	if( strcmp(input_type, hatchfill) == 0 ){
		6601	free(input_type);
		6602	return HATCHFILL;
		6603	}
7647	schaersvoo	6604	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6605	free(input_type);
7647	schaersvoo	6606	return DIAMONDFILL;
7614	schaersvoo	6607	}
		6608	if( strcmp(input_type, dotfill) == 0 ){
		6609	free(input_type);
		6610	return DOTFILL;
		6611	}
		6612	if( strcmp(input_type, gridfill) == 0 ){
		6613	free(input_type);
		6614	return GRIDFILL;
		6615	}
		6616	if( strcmp(input_type, imagefill) == 0 ){
		6617	free(input_type);
		6618	return IMAGEFILL;
		6619	}
		6620	if( strcmp(input_type, clicktile_colors) == 0 ){
		6621	free(input_type);
		6622	return CLICKTILE_COLORS;
		6623	}
		6624	if( strcmp(input_type, clicktile) == 0 ){
		6625	free(input_type);
		6626	return CLICKTILE;
		6627	}
		6628	if( strcmp(input_type, xlogscale) == 0 ){
		6629	free(input_type);
		6630	return XLOGSCALE;
		6631	}
		6632	if( strcmp(input_type, ylogscale) == 0 ){
		6633	free(input_type);
		6634	return YLOGSCALE;
		6635	}
		6636	if( strcmp(input_type, xylogscale) == 0 ){
		6637	free(input_type);
		6638	return XYLOGSCALE;
		6639	}
		6640	if( strcmp(input_type, ylogscale) == 0 ){
		6641	free(input_type);
		6642	return YLOGSCALE;
		6643	}
7735	schaersvoo	6644	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6645	free(input_type);
7735	schaersvoo	6646	return XLOGBASE;
7614	schaersvoo	6647	}
7735	schaersvoo	6648	if( strcmp(input_type, ylogbase) == 0 ){
		6649	free(input_type);
		6650	return YLOGBASE;
		6651	}
7614	schaersvoo	6652	if( strcmp(input_type, intooltip) == 0 ){
		6653	free(input_type);
		6654	return INTOOLTIP;
		6655	}
		6656	if( strcmp(input_type,video) == 0 ){
		6657	free(input_type);
		6658	return VIDEO;
		6659	}
		6660	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6661	free(input_type);
		6662	return FLOODFILL;
7856	schaersvoo	6663	}
7614	schaersvoo	6664	if( strcmp(input_type,filltoborder) == 0 ){
		6665	free(input_type);
		6666	return FILLTOBORDER;
7856	schaersvoo	6667	}
7614	schaersvoo	6668	if( strcmp(input_type,clickfill) == 0 ){
		6669	free(input_type);
		6670	return CLICKFILL;
7856	schaersvoo	6671	}
7614	schaersvoo	6672	if( strcmp(input_type, replyformat) == 0 ){
		6673	free(input_type);
		6674	return REPLYFORMAT;
		6675	}
		6676	if( strcmp(input_type, pixelsize) == 0 ){
		6677	free(input_type);
		6678	return PIXELSIZE;
		6679	}
		6680	if( strcmp(input_type, setpixel) == 0 ){
		6681	free(input_type);
		6682	return SETPIXEL;
		6683	}
		6684	if( strcmp(input_type, pixels) == 0 ){
		6685	free(input_type);
		6686	return PIXELS;
		6687	}
		6688	if( strcmp(input_type, clickfillmarge) == 0 ){
		6689	free(input_type);
		6690	return CLICKFILLMARGE;
		6691	}
		6692	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6693	free(input_type);
		6694	return X_AXIS_STRINGS;
		6695	}
		6696	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6697	free(input_type);
		6698	return Y_AXIS_STRINGS;
		6699	}
		6700	if( strcmp(input_type, piechart) == 0 ){
		6701	free(input_type);
		6702	return PIECHART;
		6703	}
		6704	if( strcmp(input_type, barchart) == 0 ){
		6705	free(input_type);
		6706	return BARCHART;
		6707	}
		6708	if( strcmp(input_type, linegraph) == 0 ){
		6709	free(input_type);
		6710	return LINEGRAPH;
		6711	}
		6712	if( strcmp(input_type, clock) == 0 ){
		6713	free(input_type);
		6714	return CLOCK;
		6715	}
		6716	if( strcmp(input_type, legend) == 0 ){
		6717	free(input_type);
		6718	return LEGEND;
		6719	}
		6720	if( strcmp(input_type, legendcolors) == 0 ){
		6721	free(input_type);
		6722	return LEGENDCOLORS;
		6723	}
		6724	if( strcmp(input_type, xlabel) == 0 ){
		6725	free(input_type);
		6726	return XLABEL;
		6727	}
		6728	if( strcmp(input_type, ylabel) == 0 ){
		6729	free(input_type);
		6730	return YLABEL;
		6731	}
		6732	if( strcmp(input_type, animate) == 0 ){
		6733	free(input_type);
		6734	return ANIMATE;
		6735	}
		6736	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6737	if( strcmp(input_type, transparent) == 0 ){
		6738	free(input_type);
		6739	return TRANSPARENT;
		6740	}
		6741	if( strcmp(input_type, status) == 0 ){
		6742	free(input_type);
		6743	return STATUS;
		6744	}
		6745	if( strcmp(input_type, snaptogrid) == 0 ){
		6746	free(input_type);
		6747	return SNAPTOGRID;
		6748	}
7784	schaersvoo	6749	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6750	free(input_type);
		6751	return XSNAPTOGRID;
		6752	}
		6753	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6754	free(input_type);
		6755	return YSNAPTOGRID;
		6756	}
7652	schaersvoo	6757	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6758	free(input_type);
7652	schaersvoo	6759	return USERINPUT_XY;
		6760	}
7663	schaersvoo	6761	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6762	free(input_type);
		6763	return USERTEXTAREA_XY;
		6764	}
7654	schaersvoo	6765	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6766	free(input_type);
7654	schaersvoo	6767	return SGRAPH;
		6768	}
7823	schaersvoo	6769	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	6770	free(input_type);
7823	schaersvoo	6771	return JSMATH;
		6772	}
7858	schaersvoo	6773	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	6774	free(input_type);
7858	schaersvoo	6775	return TRACE_JSCURVE;
7823	schaersvoo	6776	}
7858	schaersvoo	6777	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		6778	free(input_type);
		6779	return JSCURVE;
		6780	}
7838	schaersvoo	6781	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	6782	free(input_type);
7838	schaersvoo	6783	return SETLIMITS;
		6784	}
		6785	free(input_type);
7614	schaersvoo	6786	ungetc(c,infile);
		6787	return 0;
		6788	}
7856	schaersvoo	6789
		6790

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7863