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	*/
7848	bpr	12	#include "../../Lib/libwims.h"
		13	#include "canvasdraw.h"
7842	bpr	14	#include <assert.h>
7848	bpr	15	#include "canvasmacro.c"
7614	schaersvoo	16
		17	/******************************************************************************
		18	** Internal Functions
		19	******************************************************************************/
		20	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		21	void sync_input(FILE infile);/ proceed with inputfile */
		22	void canvas_error(char *msg);
		23	void add_javascript_functions(int js_functions[], int canvas_root_id);
		24	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		25	int get_token(FILE infile); / read next char until EOL*/
		26	int x2px(double x);
		27	int y2px(double y);
		28	double px2x(int x);
		29	double px2y(int y);
		30	double get_real(FILE infile,int last); / read a values; calculation and symbols allowed */
		31	char str_replace ( const char word, const char sub_word, const char rep_word );
		32	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
		33	char get_string(FILE infile,int last); /* get the string at theend of a command */
		34	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		35	char convert_hex2rgb(char hexcolor);
		36	void add_read_canvas(int reply_format);
		37	void make_js_include(int canvas_root_id);
		38	void check_string_length(int length);/* checks if the length of string argument of command is correct */
7842	bpr	39	FILE *js_include_file;
7614	schaersvoo	40	FILE get_file(int line_number, char **filename);
		41	FILE infile; / will be stdin */
		42	/******************************************************************************
		43	** global
		44	******************************************************************************/
		45	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		46	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		47	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		48	int xsize = 320;
		49	int ysize = 320;
		50	double xmin = 0.0;
		51	double xmax = 320.0;
		52	double ymin = 0.0;
		53	double ymax = 320.0;
		54	double tmax = 2;
		55	double tmin = -2;
		56	/* flag to indicate parsing of line status */
7842	bpr	57	int done = FALSE;
7614	schaersvoo	58	int type; /* eg command number */
		59	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
7785	schaersvoo	60	int use_affine = FALSE;
7614	schaersvoo	61	int use_rotate = FALSE;
		62	int use_translate = FALSE;
		63	int use_filled = FALSE;
		64	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
		65	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		66
		67	/******************************************************************************
		68	** Main Program
		69	******************************************************************************/
		70	int main(int argc, char *argv[]){
		71	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		72	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		73	infile = stdin;/* read flyscript via stdin */
		74	int i,c;
		75	double double_data[MAX_INT+1];
		76	int int_data[MAX_INT+1];
		77	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		78	int use_parametric = FALSE;/* will be reset after parametric plotting */
		79	int use_axis = FALSE;
		80	int use_axis_numbering = FALSE;
7797	schaersvoo	81	int use_pan_and_zoom = FALSE;
7614	schaersvoo	82	int line_width = 1;
		83	int decimals = 2;
		84	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		85	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		86	int drag_type = -1;/* 0,1,2 : xy,x,y */
		87	int use_tooltip = FALSE;
		88	char *tooltip_text = "Click here";
		89	char temp = ""; / */
		90	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		91	char *stroke_color = "255,0,0";
		92	char *fill_color = "0,255,0";
		93	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		94	char *font_color = "#00000";
		95	char *draw_type = "points";
		96	char *fly_font = "normal";
		97	char *input_style = "";
		98	char *flytext = "";
7785	schaersvoo	99	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	100	int pixelsize = 1;
		101	int reply_format = 0;
		102	int input_cnt = 0;
		103	int ext_img_cnt = 0;
		104	int font_size = 12;
		105	int dashtype[2] = { 2 , 2 };
		106	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		107	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		108	int arrow_head = 8; /* size in px*/
7833	schaersvoo	109	int crosshair_size = 5; /* size in px*/
7842	bpr	110	int plot_steps = 250;
7614	schaersvoo	111	int found_size_command = 0;
		112	int click_cnt = 1;
		113	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		114	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		115	double angle = 0.0;
		116	int translate_x = 0;
		117	int translate_y = 0;
		118	int clickfillmarge = 20;
		119	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	120	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
7614	schaersvoo	121	size_t string_length = 0;
		122	double stroke_opacity = 0.8;
		123	double fill_opacity = 0.8;
		124	char *URL = "http://localhost/images";
		125	memset(buffer,'\0',MAX_BUFFER);
		126	void *tmp_buffer = "";
7842	bpr	127
7614	schaersvoo	128	/* default writing a unzipped js-include file into wims getfile directory */
		129	char *w_wims_session = getenv("w_wims_session");
7842	bpr	130	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	131	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		132	}
		133	int L0=strlen(w_wims_session) + 21;
		134	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		135	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		136	mode_t process_mask = umask(0); /* check if file exists */
		137	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		138	if( result == 0 \|\| errno == EEXIST ){
		139	umask(process_mask); /* be sure to set correct permission */
7842	bpr	140	char *w_session = getenv("w_session");
7614	schaersvoo	141	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		142	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
7842	bpr	143	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	144	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		145	/* now write file into getfile dir*/
		146	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		147	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		148	char location = my_newmem(L2); / create memory to fit string precisely */
		149	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		150	js_include_file = fopen(location,"w");/* open the file location for writing */
		151	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		152	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		153
		154	/* ----------------------------------------------------- */
		155	/* while more lines to process */
		156
		157	while(!finished){
		158	if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
		159	type = get_token(infile);
		160	done = FALSE;
		161	/*
		162	@canvasdraw
7842	bpr	163	@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	164	@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	165	*/
		166	switch(type){
		167	case END:
		168	finished = 1;
		169	done = TRUE;
		170	break;
		171	case 0:
		172	sync_input(infile);
		173	break;
		174	case COMMENT:
		175	sync_input(infile);
		176	break;
		177	case EMPTY:
		178	sync_input(infile);
		179	break;
		180	case SIZE:
		181	/*
		182	@size width,height
		183	@set canvas size in pixels
		184	@mandatory first command
7647	schaersvoo	185	@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	186	*/
		187	found_size_command = TRUE;
		188	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		189	ysize = (int)(abs(round(get_real(infile,1))));
		190	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		191	xmin = 0;xmax = xsize;
7647	schaersvoo	192	ymin = 0;ymax = ysize;
7614	schaersvoo	193
7842	bpr	194	/*
7614	schaersvoo	195	The sequence in which stuff is finally printed is important !!
		196	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		197	*/
		198	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);
		199	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		200	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729	schaersvoo	201	fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		202	var xsize = %d;\
		203	var ysize = %d;\
7797	schaersvoo	204	var precision = 100;\
7729	schaersvoo	205	var canvas_div = document.getElementById(\"canvas_div%d\");\
		206	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;};\
		207	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	208	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);};};\
		209	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);};};\
		210	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);};};\
		211	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	212	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		213	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		214	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		215	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) ));};\
		216	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	217	var xlogbase = 10;\
		218	var ylogbase = 10;\
7729	schaersvoo	219	var use_xlogscale = 0;\
		220	var use_ylogscale = 0;\
		221	var x_strings = null;\
		222	var y_strings = null;\
		223	var use_pan_and_zoom = 0;\
7784	schaersvoo	224	var x_use_snap_to_grid = 0;\
		225	var y_use_snap_to_grid = 0;\
7729	schaersvoo	226	var xstart = 0;\
		227	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	228	/* default add the drag code : nearly always used ...*/
		229	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		230	break;
		231	case XRANGE:
		232	/*
		233	@ xrange xmin,xmax
7842	bpr	234	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	235	*/
		236	for(i = 0 ; i<2; i++){
		237	switch(i){
		238	case 0: xmin = get_real(infile,0);break;
		239	case 1: xmax = get_real(infile,1);break;
		240	default: break;
		241	}
		242	}
		243	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		244	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		245	break;
		246	case YRANGE:
		247	/*
		248	@ yrange ymin,ymax
		249	@ if not given 0,ysize (eg in pixels)
		250	*/
		251	for(i = 0 ; i<2; i++){
		252	switch(i){
		253	case 0: ymin = get_real(infile,0);break;
		254	case 1: ymax = get_real(infile,1);break;
		255	default: break;
		256	}
		257	}
		258	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		259	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		260	break;
		261	case TRANGE:
		262	/*
		263	@ trange tmin,tmax
		264	@ default -2,2
		265	*/
		266	use_parametric = TRUE;
		267	for(i = 0 ; i<2; i++){
		268	switch(i){
		269	case 0: tmin = get_real(infile,0);break;
		270	case 1: tmax = get_real(infile,1);break;
		271	default: break;
		272	}
		273	}
		274	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		275	break;
		276	case LINEWIDTH:
		277	/*
		278	@ linewidth int
		279	@ default 1
		280	*/
		281	line_width = (int) (get_real(infile,1));
		282	break;
		283	case ARROWHEAD:
		284	/*
		285	@ arrowhead int
		286	@ default 8 (pixels)
		287	*/
		288	arrow_head = (int) (get_real(infile,1));
		289	break;
		290	case CROSSHAIRSIZE:
		291	/*
		292	@ crosshairsize int
		293	@ default 10 (px)
		294	*/
		295	crosshair_size = (int) (get_real(infile,1));
		296	break;
		297	case CROSSHAIR:
		298	/*
		299	@ crosshair x,y,color
		300	@ draw a single crosshair point at (x;y) in color 'color'
		301	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		302	@ may be set draggable / onclick
		303	*/
		304	for(i=0;i<3;i++){
		305	switch(i){
		306	case 0: double_data[0] = get_real(infile,0);break; /* x */
		307	case 1: double_data[1] = get_real(infile,0);break; /* y */
		308	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		309	decimals = find_number_of_digits(precision);
7785	schaersvoo	310	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	311	click_cnt++;reset();
		312	break;
		313	default:break;
		314	}
		315	}
		316	break;
		317	case CROSSHAIRS:
		318	/*
		319	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		320	@ draw multiple crosshair points at given coordinates in color 'color'
		321	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		322	@ may be set draggable / onclick individually (!)
		323	*/
		324	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		325	fill_color = stroke_color;
		326	i=0;
		327	while( ! done ){ /* get next item until EOL*/
		328	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		329	if(i%2 == 0 ){
		330	double_data[i] = get_real(infile,0); /* x */
		331	}
		332	else
		333	{
		334	double_data[i] = get_real(infile,1); /* y */
		335	}
		336	i++;
		337	}
		338	decimals = find_number_of_digits(precision);
		339	for(c=0 ; c < i-1 ; c = c+2){
7785	schaersvoo	340	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	341	click_cnt++;
		342	}
		343	reset();
		344	break;
		345	case POINT:
		346	/*
		347	@ point x,y,color
		348	@ draw a single point at (x;y) in color 'color'
		349	@ use command 'linewidth int' to adust size
		350	@ may be set draggable / onclick
7842	bpr	351	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	352	*/
		353	for(i=0;i<3;i++){
		354	switch(i){
		355	case 0: double_data[0] = get_real(infile,0);break; /* x */
		356	case 1: double_data[1] = get_real(infile,0);break; /* y */
		357	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		358	decimals = find_number_of_digits(precision);
7785	schaersvoo	359	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	360	click_cnt++;break;
		361	default: break;
		362	}
		363	}
		364	reset();
		365	break;
		366	case POINTS:
		367	/*
7634	schaersvoo	368	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	369	@ draw multiple points at given coordinates in color 'color'
		370	@ use command 'linewidth int' to adust size
		371	@ may be set draggable / onclick individually (!)
		372	*/
		373	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		374	fill_color = stroke_color;
		375	i=0;
		376	while( ! done ){ /* get next item until EOL*/
		377	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		378	if(i%2 == 0 ){
		379	double_data[i] = get_real(infile,0); /* x */
		380	}
		381	else
		382	{
		383	double_data[i] = get_real(infile,1); /* y */
		384	}
		385	i++;
		386	}
7842	bpr	387	decimals = find_number_of_digits(precision);
7614	schaersvoo	388	for(c = 0 ; c < i-1 ; c = c+2){
7785	schaersvoo	389	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	390	click_cnt++;
		391	}
		392	reset();
		393	break;
		394	case SEGMENT:
		395	/*
		396	@ segment x1,y1,x2,y2,color
		397	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		398	@ may be set draggable / onclick
		399	*/
		400	for(i=0;i<5;i++) {
		401	switch(i){
		402	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		403	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		404	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		405	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		406	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		407	decimals = find_number_of_digits(precision);
7785	schaersvoo	408	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	409	click_cnt++;reset();
		410	break;
		411	default: break;
		412	}
		413	}
		414	break;
		415	case LINE:
		416	/*
		417	@ line x1,y1,x2,y2,color
		418	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		419	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		420	@ may be set draggable / onclick
		421	*/
		422	for(i=0;i<5;i++){
		423	switch(i){
		424	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		425	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		426	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		427	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		428	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		429	if( double_data[10] == double_data[12] ){ /* vertical line*/
		430	double_data[1] = xmin;
		431	double_data[3] = ymax;
		432	double_data[0] = double_data[10];
		433	double_data[2] = double_data[10];
		434	}
		435	else
		436	{
		437	if( double_data[11] == double_data[13] ){ /* horizontal line */
		438	double_data[1] = double_data[11];
		439	double_data[3] = double_data[11];
		440	double_data[0] = ymin;
		441	double_data[2] = xmax;
		442	}
		443	else
		444	{
		445	/* m */
		446	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		447	/* q */
		448	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
7842	bpr	449
7614	schaersvoo	450	/xmin,mxmin+q,xmax,mxmax+q/
7842	bpr	451
7614	schaersvoo	452	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		453	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		454	double_data[0] = xmin;
		455	double_data[2] = xmax;
		456	}
		457	}
		458	decimals = find_number_of_digits(precision);
7785	schaersvoo	459	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	460	click_cnt++;reset();
		461	break;
		462	}
		463	}
		464	break;
7842	bpr	465	case HLINE:
7614	schaersvoo	466	/*
		467	@ hline x,y,color
		468	@ draw a horizontal line through point (x:y) in color 'color'
		469	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		470	@ may be set draggable / onclick
		471	*/
		472	for(i=0;i<3;i++) {
		473	switch(i){
		474	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		475	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		476	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		477	double_data[3] = double_data[1];
		478	decimals = find_number_of_digits(precision);
7785	schaersvoo	479	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,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	480	click_cnt++;reset();
		481	break;
		482	}
		483	}
		484	break;
		485	case VLINE:
		486	/*
		487	@ vline x,y,color
		488	@ draw a vertical line through point (x:y) in color 'color'
		489	@ may be set draggable / onclick
		490	*/
		491	for(i=0;i<3;i++) {
		492	switch(i){
		493	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		494	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		495	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		496	double_data[2] = double_data[0];
		497	decimals = find_number_of_digits(precision);
7785	schaersvoo	498	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	499	click_cnt++;reset();
		500	break;
		501	}
		502	}
		503	break;
		504	case SQUARE:
		505	/*
		506	@ square x,y,side,color
		507	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		508	@ use command 'fsquare x,y,side,color' for a filled square
		509	@ use command/keyword 'filled' before command 'square x,y,side,color'
		510	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		511	@ may be set draggable / onclick
		512	*/
		513	for(i=0;i<5;i++){
		514	switch(i){
		515	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		516	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		517	case 2:double_data[2] = get_real(infile,0);
		518	double_data[3] = double_data[2];
		519	break; /* x-values */
		520	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		521	decimals = find_number_of_digits(precision);
7785	schaersvoo	522	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	523	click_cnt++;reset();
		524	break;
		525	}
		526	}
		527	break;
		528	case ROUNDRECT:
		529	/*
		530	@ roundrect x1,y1,x2,y2,radius,color
		531	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		532	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		533	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		534	@ may be set draggable / onclick
		535	*/
		536	for(i=0;i<6;i++){
		537	switch(i){
		538	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		539	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		540	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		541	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		542	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		543	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		544	decimals = find_number_of_digits(precision);
7785	schaersvoo	545	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	546	click_cnt++;reset();
		547	break;
		548	}
		549	}
		550	break;
		551	case RECT:
		552	/*
		553	@ rect x1,y1,x2,y2,color
		554	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		555	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		556	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		557	@ may be set draggable / onclick
		558	*/
		559	for(i=0;i<5;i++){
		560	switch(i){
		561	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		562	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		563	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		564	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		565	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		566	decimals = find_number_of_digits(precision);
7785	schaersvoo	567	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	568	click_cnt++;reset();
		569	break;
		570	}
		571	}
		572	break;
		573	case POLYLINE:
		574	/*
		575	@ polyline color,x1,y1,x2,y2...x_n,y_n
		576	@ may be set draggable / onclick
		577	*/
		578	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		579	i=0;
		580	c=0;
		581	while( ! done ){ /* get next item until EOL*/
		582	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		583	for( c = 0 ; c < 2; c++){
		584	if(c == 0 ){
		585	double_data[i] = get_real(infile,0);
		586	i++;
		587	}
		588	else
		589	{
		590	double_data[i] = get_real(infile,1);
		591	i++;
		592	}
		593	}
		594	}
		595	/* draw path : not closed & not filled */
		596	decimals = find_number_of_digits(precision);
7785	schaersvoo	597	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	598	click_cnt++;reset();
		599	break;
		600	case POLY:
		601	/*
		602	@ poly color,x1,y1,x2,y2...x_n,y_n
		603	@ draw closed polygon
		604	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		605	@ may be set draggable / onclick
		606	*/
		607	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		608	i=0;
		609	c=0;
		610	while( ! done ){ /* get next item until EOL*/
		611	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		612	for( c = 0 ; c < 2; c++){
		613	if(c == 0 ){
		614	double_data[i] = get_real(infile,0);
		615	i++;
		616	}
		617	else
		618	{
		619	double_data[i] = get_real(infile,1);
		620	i++;
		621	}
		622	}
		623	}
		624	/* draw path : closed & optional filled */
		625	decimals = find_number_of_digits(precision);
7785	schaersvoo	626	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	627	click_cnt++;reset();
		628	break;
7842	bpr	629	case ARC:
7614	schaersvoo	630	/*
		631	@ arc xc,yc,width,height,start_angle,end_angle,color
		632	@ can not be set "onclick" or "drag xy"
		633	@ attention: width == height == radius in pixels)
		634	*/
		635	for(i=0;i<7;i++){
		636	switch(i){
		637	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		638	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		639	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		640	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		641	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		642	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		643	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		644	/* in Shape library:
		645	x[0] = x[1] = xc
		646	y[0] = y[1] = yc
7842	bpr	647	w[0] = w[1] = radius = width = height
		648	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	649	*/
		650	decimals = find_number_of_digits(precision);
7785	schaersvoo	651	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	652	reset();
		653	break;
		654	}
		655	}
		656	break;
		657	case ELLIPSE:
		658	/*
		659	@ ellipse xc,yc,radius_x,radius_y,color
7842	bpr	660	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	661	@ radius_x and radius_y are in pixels
		662	@ may be set draggable / onclick
7842	bpr	663	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	664	*/
		665	for(i=0;i<5;i++){
		666	switch(i){
		667	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		668	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		669	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
7842	bpr	670	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	671	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		672	decimals = find_number_of_digits(precision);
7785	schaersvoo	673	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	674	click_cnt++;reset();
		675	break;
		676	}
		677	}
		678	break;
		679	case DASHTYPE:
		680	/*
		681	@ dashtype int ,int
		682	@ When dashed is set, the objects will be drawn with this dashtyp
		683	@ default value "dashtype 2,2"
		684	*/
		685	for(i=0;i<2;i++){
		686	switch(i){
		687	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		688	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		689	}
		690	}
		691	break;
		692	case CIRCLE:
		693	/*
		694	@ circle xc,yc,width (2*r in pixels),color
		695	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		696	@ use command 'fillcolor color' to set the fillcolor
		697	@ may be set draggable / onclick
7842	bpr	698	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	699	*/
		700	for(i=0;i<4;i++){
		701	switch(i){
		702	case 0: double_data[0] = get_real(infile,0);break; /* x */
		703	case 1: double_data[1] = get_real(infile,0);break; /* y */
		704	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		705	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		706	decimals = find_number_of_digits(precision);
7785	schaersvoo	707	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	708	click_cnt++;reset();
		709	break;
		710	}
		711	}
		712	break;
		713	case RAYS:
		714	/*
		715	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		716	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	717	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	718	*/
		719	stroke_color=get_color(infile,0);
7786	schaersvoo	720	fill_color = stroke_color;
		721	double_data[0] = get_real(infile,0);/* xc */
		722	double_data[1] = get_real(infile,0);/* yc */
		723	i=2;
		724	while( ! done ){ /* get next item until EOL*/
		725	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		726	if(i%2 == 0 ){
		727	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	728	}
7786	schaersvoo	729	else
		730	{
		731	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	732	}
7786	schaersvoo	733	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		734	i++;
7614	schaersvoo	735	}
7842	bpr	736
		737	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		738	decimals = find_number_of_digits(precision);
7786	schaersvoo	739	for(c=2; c<i;c = c+2){
7614	schaersvoo	740	click_cnt++;
7786	schaersvoo	741	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	742	}
		743	reset();
		744	break;
		745	case ARROW:
		746	/*
		747	@ arrow x1,y1,x2,y2,h,color
		748	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		749	@ use command 'linewidth int' to adjust thickness of the arrow
		750	@ may be set draggable / onclick
		751	*/
		752	for(i=0;i<6;i++){
		753	switch(i){
		754	case 0: double_data[0] = get_real(infile,0);break; /* x */
		755	case 1: double_data[1] = get_real(infile,0);break; /* y */
		756	case 2: double_data[2] = get_real(infile,0);break; /* x */
		757	case 3: double_data[3] = get_real(infile,0);break; /* y */
		758	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		759	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		760	decimals = find_number_of_digits(precision);
7785	schaersvoo	761	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	762	click_cnt++;
		763	reset();
		764	break;
		765	}
		766	}
		767	break;
		768	case ARROW2:
		769	/*
		770	@ arrow2 x1,y1,x2,y2,h,color
		771	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		772	@ use command 'arrowhead int' to adjust the arrow head size
		773	@ use command 'linewidth int' to adjust thickness of the arrow
		774	@ may be set draggable / onclick
		775	*/
		776	for(i=0;i<6;i++){
		777	switch(i){
		778	case 0: double_data[0] = get_real(infile,0);break; /* x */
		779	case 1: double_data[1] = get_real(infile,0);break; /* y */
		780	case 2: double_data[2] = get_real(infile,0);break; /* x */
		781	case 3: double_data[3] = get_real(infile,0);break; /* y */
		782	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		783	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		784	decimals = find_number_of_digits(precision);
7785	schaersvoo	785	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	786	click_cnt++;reset();
		787	break;
		788	}
		789	}
		790	break;
7842	bpr	791	case PARALLEL:
7614	schaersvoo	792	/*
		793	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
7842	bpr	794	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	795	*/
		796	for( i = 0;i < 8; i++ ){
		797	switch(i){
		798	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		799	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		800	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		801	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		802	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		803	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		804	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		805	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		806	decimals = find_number_of_digits(precision);
7785	schaersvoo	807	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	808	click_cnt++;reset();
		809	break;
		810	default: break;
		811	}
		812	}
		813	break;
		814	case TRIANGLE:
		815	/*
		816	@triangle x1,y1,x2,y2,x3,y3,color
		817	@may be set draggable / onclic
		818	*/
		819	for(i=0;i<7;i++){
		820	switch(i){
		821	case 0: double_data[0] = get_real(infile,0);break; /* x */
		822	case 1: double_data[1] = get_real(infile,0);break; /* y */
		823	case 2: double_data[2] = get_real(infile,0);break; /* x */
		824	case 3: double_data[3] = get_real(infile,0);break; /* y */
		825	case 4: double_data[4] = get_real(infile,0);break; /* x */
		826	case 5: double_data[5] = get_real(infile,0);break; /* y */
		827	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		828	decimals = find_number_of_digits(precision);
7785	schaersvoo	829	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	830	click_cnt++;reset();
		831	break;
		832	default: break;
		833	}
		834	}
		835	break;
		836	case LATTICE:
		837	/*
		838	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
7842	bpr	839	@can not be set "onclick" or "drag xy"
7614	schaersvoo	840	*/
		841	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		842	for( i = 0; i<9; i++){
		843	switch(i){
		844	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		845	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		846	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		847	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		848	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		849	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		850	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		851	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		852	case 8: stroke_color=get_color(infile,1);
		853	decimals = find_number_of_digits(precision);
		854	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);
		855	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		856	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);
		857	add_to_buffer(tmp_buffer);
		858	break;
		859	default:break;
		860	}
		861	}
		862	reset();
		863	break;
		864	case SNAPTOGRID:
		865	/*
		866	@ snaptogrid
		867	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		868	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	869	@ 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	870	*/
7784	schaersvoo	871	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	872	break;
7784	schaersvoo	873	case XSNAPTOGRID:
		874	/*
		875	@ xsnaptogrid
		876	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		877	@ in case of userdraw the drawn points will snap to xmajor grid
		878	@ if xminor / yminor is defined, the drawing will snap to xminor <br />use only even dividers in x-minor...for example<br />xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
		879	*/
		880	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");
		881	break;
		882	case YSNAPTOGRID:
		883	/*
		884	@ ysnaptogrid
		885	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		886	@ in case of userdraw the drawn points will snap to ymajor grid
		887	@ if xminor / yminor is defined, the drawing will snap to yminor <br />use only even dividers in y-minor...for example<br />ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
		888	*/
		889	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");
		890	break;
7663	schaersvoo	891	case USERTEXTAREA_XY:
		892	/*
		893	@ usertextarea_xy
7842	bpr	894	@ keyword
7663	schaersvoo	895	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
7842	bpr	896	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	897	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
		898	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7842	bpr	899	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	900	*/
7749	schaersvoo	901	if(use_tooltip == TRUE){canvas_error("usertextarea_xy can not be combined with intooltip command");}
		902	if( use_input_xy == 1 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		903	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		904	use_input_xy = 2;
		905	break;
7652	schaersvoo	906	case USERINPUT_XY:
		907	/*
		908	@ userinput_xy
7842	bpr	909	@ keyword
7652	schaersvoo	910	@ to be used in combination with command "userdraw object_type,color"
7842	bpr	911	@ 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	912	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	913	@ 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	914	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7842	bpr	915	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	916	*/
7749	schaersvoo	917	if(use_tooltip == TRUE){canvas_error("userinput_xy can not be combined with intooltip command");}
		918	/* add simple eval check to avoid code injection with unprotected eval(string) */
		919	fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s(.)\\^\\s(.)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
		920	use_input_xy = 1;
		921	break;
7614	schaersvoo	922	case USERDRAW:
		923	/*
		924	@ userdraw object_type,color
7663	schaersvoo	925	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrows</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li></ul>
7614	schaersvoo	926	@ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
		927	@ note: object_type text: Any string or multiple strings may be placed anywhere on the canvas.<br />while typing the background of every typed char will be lightblue..."backspace / delete / esc" will remove typed text.<br />You will need to hit "enter" to add the text to the array "userdraw_txt()" : lightblue background will disappear<br />Placing the cursor somewhere on a typed text and hitting "delete/backspace/esc" , a confirm will popup asking to delete the selected text.This text will be removed from the "userdraw_txt()" answer array.<br />Use commands 'fontsize' and 'fontfamily' to control the text appearance
7842	bpr	928	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	929	@ 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)
		930	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
7842	bpr	931	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	932	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		933	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7842	bpr	934	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	935	@ 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	936	*/
		937	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		938	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		939	}
		940	use_userdraw = TRUE;
7653	schaersvoo	941	fprintf(js_include_file,"<!-- begin userdraw mouse events -->\nvar userdraw_x = new Array();var userdraw_y = new Array();var userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};if(wims_status != \"done\"){canvas_div.addEventListener(\"mousedown\",user_draw,false);canvas_div.addEventListener(\"mousemove\",user_drag,false);canvas_div.addEventListener(\"touchstart\",user_draw,false);canvas_div.addEventListener(\"touchmove\",user_drag,false);}\n<!-- end userdraw mouse events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614	schaersvoo	942	draw_type = get_string_argument(infile,0);
		943	stroke_color = get_color(infile,1);
		944	if( strcmp(draw_type,"point") == 0 ){
		945	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		946	if(reply_format < 1 ){reply_format = 8;}
		947	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7842	bpr	948	if(use_input_xy == 1){
7652	schaersvoo	949	add_input_circle(js_include_file,1,1);
		950	add_input_xy(js_include_file,canvas_root_id);
		951	}
7614	schaersvoo	952	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);
		953	}
		954	else
		955	if( strcmp(draw_type,"points") == 0 ){
		956	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		957	if(reply_format < 1 ){reply_format = 8;}
		958	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7842	bpr	959	if(use_input_xy == 1){
7652	schaersvoo	960	add_input_circle(js_include_file,1,2);
		961	add_input_xy(js_include_file,canvas_root_id);
		962	}
7614	schaersvoo	963	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);
		964	}
		965	else
		966	if( strcmp(draw_type,"segment") == 0 ){
		967	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		968	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		969	if(reply_format < 1){reply_format = 11;}
7842	bpr	970	if(use_input_xy == 1){
7652	schaersvoo	971	add_input_segment(js_include_file,1);
		972	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		973	}
7614	schaersvoo	974	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		975	}
		976	else
7663	schaersvoo	977	if( strcmp(draw_type,"polyline") == 0 ){
		978	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	979	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	980	if( use_input_xy == 1 ){
		981	add_input_polyline(js_include_file);
		982	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	983	}
		984	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		985	}
		986	else
7614	schaersvoo	987	if( strcmp(draw_type,"segments") == 0 ){
		988	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		989	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		990	if(reply_format < 1){reply_format = 11;}
7842	bpr	991	if(use_input_xy == 1){
7652	schaersvoo	992	add_input_segment(js_include_file,2);
		993	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		994	}
7614	schaersvoo	995	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		996	}
		997	else
		998	if( strcmp(draw_type,"circle") == 0 ){
		999	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1000	if(reply_format < 1){reply_format = 10;}
		1001	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7842	bpr	1002	if(use_input_xy == 1){
7652	schaersvoo	1003	add_input_circle(js_include_file,2,1);
		1004	add_input_xyr(js_include_file,canvas_root_id);
		1005	}
7614	schaersvoo	1006	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]);
		1007	}
		1008	else
		1009	if( strcmp(draw_type,"circles") == 0 ){
		1010	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1011	if(reply_format < 1){reply_format = 10;}
		1012	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1013	add_js_circles(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7842	bpr	1014	if(use_input_xy == 1){
7652	schaersvoo	1015	add_input_circle(js_include_file,2,2);
		1016	add_input_xyr(js_include_file,canvas_root_id);
		1017	}
7614	schaersvoo	1018	}
		1019	else
		1020	if(strcmp(draw_type,"crosshair") == 0 ){
		1021	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1022	if(reply_format < 1){reply_format = 8;}
		1023	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1024	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7842	bpr	1025	if(use_input_xy == 1){
7654	schaersvoo	1026	add_input_crosshair(js_include_file,1);
		1027	add_input_xy(js_include_file,canvas_root_id);
		1028	}
7614	schaersvoo	1029	}
		1030	else
		1031	if(strcmp(draw_type,"crosshairs") == 0 ){
		1032	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1033	if(reply_format < 1){reply_format = 8;}
		1034	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1035	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7842	bpr	1036	if(use_input_xy == 1){
7654	schaersvoo	1037	add_input_crosshair(js_include_file,2);
		1038	add_input_xy(js_include_file,canvas_root_id);
		1039	}
7614	schaersvoo	1040	}
		1041	else
		1042	if(strcmp(draw_type,"freehandline") == 0 ){
		1043	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1044	if(reply_format < 1){reply_format = 6;}
7842	bpr	1045	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	1046	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1047	}
		1048	else
		1049	if(strcmp(draw_type,"freehandlines") == 0 ){
		1050	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1051	if(reply_format < 1){reply_format = 6;}
7842	bpr	1052	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	1053	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1054	}
		1055	else
		1056	if(strcmp(draw_type,"path") == 0 ){
		1057	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1058	if(reply_format < 1){reply_format = 6;}
7842	bpr	1059	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	1060	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1061	}
		1062	else
		1063	if(strcmp(draw_type,"paths") == 0 ){
		1064	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1065	if(reply_format < 1){reply_format = 6;}
7842	bpr	1066	add_js_paths(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652	schaersvoo	1067	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1068	}
		1069	else
		1070	if(strcmp(draw_type,"arrows") == 0 ){
		1071	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1072	if(reply_format < 1){reply_format = 11;}
		1073	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7842	bpr	1074	if(use_input_xy == 1){
7654	schaersvoo	1075	add_input_arrow(js_include_file,2);
		1076	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1077	}
7614	schaersvoo	1078	}
		1079	else
		1080	if(strcmp(draw_type,"arrow") == 0 ){
		1081	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1082	if(reply_format < 1){reply_format = 11;}
		1083	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7842	bpr	1084	if(use_input_xy == 1){
7654	schaersvoo	1085	add_input_arrow(js_include_file,1);
		1086	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1087	}
7614	schaersvoo	1088	}
		1089	else
		1090	if(strcmp(draw_type,"polygon") == 0){
		1091	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1092	if(reply_format < 1){reply_format = 2;}
		1093	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	1094	if( use_input_xy == 2 ){
		1095	add_textarea_polygon(js_include_file);
		1096	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1097	}
7614	schaersvoo	1098	}
7842	bpr	1099	else
7614	schaersvoo	1100	if(strncmp(draw_type,"poly",4) == 0){
		1101	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1102	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1103	if(reply_format < 1){reply_format = 2;}
		1104	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	1105	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1106	}
7842	bpr	1107	else
7614	schaersvoo	1108	if(strcmp(draw_type,"triangle") == 0){
		1109	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1110	if(reply_format < 1){reply_format = 2;}
		1111	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	1112	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1113	}
7842	bpr	1114	else
7614	schaersvoo	1115	if( strcmp(draw_type,"line") == 0 ){
		1116	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1117	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1118	if(reply_format < 1){reply_format = 11;}
		1119	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1120	if( use_input_xy == 1 ){
7780	schaersvoo	1121	add_input_line(js_include_file,1);
7747	schaersvoo	1122	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1123	}
7614	schaersvoo	1124	}
		1125	else
		1126	if( strcmp(draw_type,"lines") == 0 ){
		1127	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1128	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1129	if(reply_format < 1){reply_format = 11;}
		1130	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1131	if( use_input_xy == 1 ){
7780	schaersvoo	1132	add_input_line(js_include_file,2);
7747	schaersvoo	1133	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1134	}
7614	schaersvoo	1135	}
		1136	else
		1137	if( strcmp(draw_type,"rects") == 0){
		1138	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1139	if(reply_format < 1){reply_format = 2;}
		1140	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	1141	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1142	}
7842	bpr	1143	else
7614	schaersvoo	1144	if( strcmp(draw_type,"roundrects") == 0){
		1145	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1146	if(reply_format < 1){reply_format = 2;}
		1147	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	1148	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1149	}
7842	bpr	1150	else
7614	schaersvoo	1151	if( strcmp(draw_type,"rect") == 0){
		1152	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1153	if(reply_format < 1){reply_format = 2;}
		1154	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	1155	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1156	}
7842	bpr	1157	else
7614	schaersvoo	1158	if( strcmp(draw_type,"roundrect") == 0){
		1159	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1160	if(reply_format < 1){reply_format = 2;}
		1161	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	1162	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1163	}
		1164	else
		1165	if( strcmp(draw_type,"text") == 0){
7842	bpr	1166	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1167	if(reply_format < 1){reply_format = 17;}
		1168	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	1169	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1170	}
7842	bpr	1171	else
7614	schaersvoo	1172	{
		1173	canvas_error("unknown drawtype or typo? ");
		1174	}
		1175	reset();
		1176	break;
		1177	case PLOTSTEPS:
		1178	/*
		1179	@ plotsteps a_number
		1180	@ default 150
		1181	@ use with care !
		1182	*/
		1183	plot_steps = (int) (get_real(infile,1));
		1184	break;
		1185	case FONTSIZE:
		1186	/*
		1187	@fontsize font_size
		1188	@default value 12
		1189	*/
		1190	font_size = (int) (get_real(infile,1));
		1191	break;
		1192	case FONTCOLOR:
		1193	/*
		1194	@fontcolor color
		1195	@color: hexcolor or colorname
		1196	@default: black
		1197	@example usage: x/y-axis text
		1198	*/
		1199	font_color = get_color(infile,1);
		1200	break;
		1201	case ANIMATE:
		1202	/*
		1203	@animate type
		1204	@type may be "point" (nothing else , yet...)
		1205	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1206	@will animate a point on the next plot/curve command
		1207	@the curve will not be draw
		1208	@moves repeatedly from xmin to xmax
		1209	*/
		1210	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1211	break;
7788	schaersvoo	1212	case LEVELCURVE:
		1213	/*
		1214	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1215	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1216	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1217	@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
		1218	@note : the arrays for holding the javascript data are limited in size
		1219	@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	1220	*/
7792	schaersvoo	1221	fill_color = get_color(infile,0);
7788	schaersvoo	1222	char *fun1 = get_string_argument(infile,0);
		1223	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1224	i = 0;
		1225	done = FALSE;
		1226	while( !done ){
		1227	double_data[i] = get_real(infile,1);
		1228	i++;
		1229	}
		1230	for(c = 0 ; c < i; c++){
		1231	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);
		1232	click_cnt++;
		1233	}
		1234	reset();
		1235	break;
7823	schaersvoo	1236	case TRACE_JSMATH:
		1237	/*
		1238	@trace_jsmath some_javascript_math_function
		1239	@will use a crosshair to trace the jsmath curve
		1240	@two inputfields will display the current x/y-values (approximated)
7842	bpr	1241	@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	1242	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
		1243	@example: trace_jsmath Math.pow(x,2)+4*x+16
		1244	@example: trace_jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1245	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7833	schaersvoo	1246	@can not be combined with commands 'mouse color,fontsize' and 'intooltip tip_text'
7823	schaersvoo	1247	*/
		1248	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1249	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7823	schaersvoo	1250	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);
		1251	break;
		1252	case JSMATH:
		1253	/*
		1254	@jsmath some_javascript_math_function
		1255	@will calculate an y-value from a userinput x-value and draws a crosshairs on these coordinates.
7842	bpr	1256	@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	1257	@example: jsmath Math.pow(x,2)+4*x+16
		1258	@example: jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1259	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7833	schaersvoo	1260	@can not be combined with commands 'mouse color,fontsize' and 'intooltip tip_text'
7823	schaersvoo	1261	*/
		1262	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1263	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1264	break;
7614	schaersvoo	1265	case CURVE:
		1266	/*
		1267	@curve color,formula(x)
		1268	@plot color,formula(x)
		1269	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1270	@use command "precision" to increase the number of digits of the plotted points
		1271	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1272	@may be set draggable / onclick
		1273	*/
		1274	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1275	use_parametric = FALSE;
		1276	stroke_color = get_color(infile,0);
		1277	char *fun1 = get_string_argument(infile,0);
		1278	char *fun2 = get_string_argument(infile,1);
		1279	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1280	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	1281	click_cnt++;
		1282	}
		1283	else
		1284	{
		1285	stroke_color = get_color(infile,0);
		1286	char *fun1 = get_string_argument(infile,1);
7842	bpr	1287	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1288	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	1289	click_cnt++;
		1290	}
7788	schaersvoo	1291	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1292	reset();
		1293	break;
		1294	case FLY_TEXT:
		1295	/*
		1296	@ text fontcolor,x,y,font,text_string
		1297	@ font may be described by keywords : giant,huge,normal,small,tiny
7842	bpr	1298	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1299	@ may be set "onclick" or "drag xy"
		1300	@ backwards compatible with flydraw
		1301	@ unicode supported: text red,0,0,huge,\\u2232
		1302	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1303	@ 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.
		1304	*/
		1305	for(i = 0; i < 5 ;i++){
		1306	switch(i){
		1307	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1308	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1309	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1310	case 3: fly_font = get_string_argument(infile,0);
		1311	if(strcmp(fly_font,"giant") == 0){
		1312	font_size = (int)(font_size + 24);
		1313	}
		1314	else
		1315	{
		1316	if(strcmp(fly_font,"huge") == 0){
		1317	font_size = (int)(font_size + 14);
		1318	}
		1319	else
		1320	{
		1321	if(strcmp(fly_font,"large") == 0){
		1322	font_size = (int)(font_size + 6);
		1323	}
		1324	else
		1325	{
		1326	if(strcmp(fly_font,"small") == 0){
		1327	font_size = (int)(font_size - 4);
		1328	if(font_size<0){font_size = 8;}
		1329	}
		1330	}
		1331	}
		1332	}
		1333	break; /* font_size ! */
7842	bpr	1334	case 4:
7614	schaersvoo	1335	temp = get_string_argument(infile,1);
		1336	decimals = find_number_of_digits(precision);
7785	schaersvoo	1337	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	1338	click_cnt++;reset();break;
		1339	default:break;
		1340	}
		1341	}
		1342	break;
		1343	case FLY_TEXTUP:
		1344	/*
		1345	@ textup fontcolor,x,y,font,text_string
		1346	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1347	@ font may be described by keywords : giant,huge,normal,small,tiny
7842	bpr	1348	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1349	@ backwards compatible with flydraw
		1350	@ unicode supported: textup red,0,0,huge,\\u2232
		1351	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1352	@ 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.
		1353	*/
7842	bpr	1354	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1355	for(i = 0; i<5 ;i++){
		1356	switch(i){
		1357	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1358	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1359	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1360	case 3: fly_font = get_string_argument(infile,0);
		1361	if(strcmp(fly_font,"giant") == 0){
		1362	font_size = (int)(font_size + 24);
		1363	}
		1364	else
		1365	{
		1366	if(strcmp(fly_font,"huge") == 0){
		1367	font_size = (int)(font_size + 14);
		1368	}
		1369	else
		1370	{
		1371	if(strcmp(fly_font,"large") == 0){
		1372	font_size = (int)(font_size + 6);
		1373	}
		1374	else
		1375	{
		1376	if(strcmp(fly_font,"small") == 0){
		1377	font_size = (int)(font_size - 4);
		1378	if(font_size<0){font_size = 8;}
		1379	}
		1380	}
		1381	}
		1382	}
		1383	break; /* font_size ! */
7842	bpr	1384	case 4:
7614	schaersvoo	1385	decimals = find_number_of_digits(precision);
		1386	temp = get_string_argument(infile,1);
		1387	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);
		1388	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1389	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);
		1390	add_to_buffer(tmp_buffer);
		1391	break;
		1392	default:break;
		1393	}
		1394	}
		1395	reset();
		1396	break;
		1397	case FONTFAMILY:
		1398	/*
		1399	@ fontfamily font_description
		1400	@ set the font family; for browsers that support it
		1401	@ font_description: Ariel ,Courier, Helvetica etc
		1402	@ 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
		1403	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1404	*/
		1405	font_family = get_string(infile,1);
		1406	break;
		1407	case STRINGUP:
7842	bpr	1408	/*
		1409	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1410	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1411	@ unicode supported: stringup red,0,0,45,\\u2232
		1412	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1413
		1414	*/
		1415	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1416	for(i=0;i<6;i++){
		1417	switch(i){
		1418	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1419	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1420	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1421	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1422	case 4: decimals = find_number_of_digits(precision);
		1423	temp = get_string_argument(infile,1);
		1424	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);
		1425	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1426	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);
		1427	add_to_buffer(tmp_buffer);
		1428	break;
		1429	default:break;
		1430	}
		1431	}
		1432	reset();
		1433	break;
		1434	case STRING:
7842	bpr	1435	/*
7614	schaersvoo	1436	@ string color,x,y,the text string
		1437	@ may be set "onclick" or "drag xy"
		1438	@ unicode supported: string red,0,0,\\u2232
7842	bpr	1439	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1440	*/
		1441	for(i=0;i<5;i++){
		1442	switch(i){
		1443	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1444	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1445	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1446	case 3: decimals = find_number_of_digits(precision);
		1447	temp = get_string_argument(infile,1);
		1448	decimals = find_number_of_digits(precision);
7785	schaersvoo	1449	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	1450	click_cnt++;reset();break;
		1451	break;
		1452	default:break;
		1453	}
		1454	}
		1455	break;
		1456	case MATHML:
		1457	/*
		1458	@ mathml x1,y1,x2,y2,mathml_string
7842	bpr	1459	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1460	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
7842	bpr	1461	@ 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	1462	@ If other inputfields (command input / command textarea) or userdraw is performed, the function read_canvas() will not read mathml. Use some generic function to read it....
7842	bpr	1463
7614	schaersvoo	1464	*/
		1465	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1466	for(i=0;i<5;i++){
		1467	switch(i){
		1468	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1469	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1470	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1471	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1472	case 4: decimals = find_number_of_digits(precision);
7842	bpr	1473	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1474	temp = get_string(infile,1);
		1475	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1476	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);
		1477	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1478	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);
		1479	add_to_buffer(tmp_buffer);
7842	bpr	1480	/*
		1481	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1482	if no other reply_format is defined
		1483	note: all other reply types will include a reading of elements with id='mathml'+p)
		1484	*/
		1485	if(strstr(temp,"mathml0") != NULL){
		1486	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1487	}
		1488	break;
		1489	default:break;
		1490	}
		1491	}
		1492	reset();
		1493	break;
		1494	case HTTP:
		1495	/*
		1496	@http x1,y1,x2,y2,http://some_adress.com
7842	bpr	1497	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1498	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1499	@can not be 'set onclick' or 'drag xy'
		1500	*/
7842	bpr	1501	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1502	for(i=0;i<5;i++){
		1503	switch(i){
		1504	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1505	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1506	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1507	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1508	case 4: decimals = find_number_of_digits(precision);
		1509	temp = get_string(infile,1);
		1510	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1511	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);
		1512	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1513	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);
		1514	add_to_buffer(tmp_buffer);
		1515	break;
		1516	}
		1517	}
		1518	reset();
		1519	break;
		1520	case HTML:
		1521	/*
		1522	@ html x1,y1,x2,y2,html_string
		1523	@ all tags are allowed
		1524	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1525	@ if inputfields are incorporated (with id's : id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_canvas(); <br />If other inputfields (command input / command textarea) or userdraw is performed, these values will NOT be read as well.
7842	bpr	1526
7614	schaersvoo	1527	note: uses the same code as 'mathml'
		1528	*/
		1529	break;
		1530	case X_AXIS_STRINGS:
		1531	/*
		1532	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1533	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1534	@ use these x-axis values in stead of default xmin...xmax
		1535	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1536	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1537	@ 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
		1538	@ 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
		1539	*/
		1540	temp = get_string(infile,1);
		1541	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1542	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1543	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1544	use_axis_numbering = 1;
		1545	break;
		1546	case Y_AXIS_STRINGS:
		1547	/*
		1548	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1549	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1550	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1551	@ use these y-axis values in stead of default ymin...ymax
		1552	@ 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
		1553	*/
		1554	temp = get_string(infile,1);
		1555	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1556	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1557	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1558	use_axis_numbering = 1;
		1559	break;
7842	bpr	1560
7614	schaersvoo	1561	case AXIS_NUMBERING:
		1562	/*
7842	bpr	1563	@ axisnumbering
7614	schaersvoo	1564	@ keyword, no aguments required
		1565	*/
		1566	use_axis_numbering = 1;
		1567	break;
		1568	case AXIS:
		1569	/*
		1570	@ axis
		1571	@ keyword, no aguments required
		1572
		1573	*/
		1574	use_axis = TRUE;
		1575	break;
7654	schaersvoo	1576	case SGRAPH:
		1577	/*
		1578	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1579	@ primitive implementation of a 'broken scale' graph...
		1580	@ not very versatile.
		1581	@ 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
		1582	*/
7842	bpr	1583	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	1584	for(i = 0 ; i < 8 ;i++){
		1585	switch(i){
		1586	case 0:double_data[0] = get_real(infile,0);break;
		1587	case 1:double_data[1] = get_real(infile,0);break;
		1588	case 2:double_data[2] = get_real(infile,0);break;
		1589	case 3:double_data[3] = get_real(infile,0);break;
		1590	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1591	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1592	case 6:stroke_color = get_color(infile,0);break;
		1593	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1594	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	1595	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1596	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	1597	add_to_buffer(tmp_buffer);
		1598	break;
		1599	default:break;
		1600	}
		1601	}
		1602	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1603	break;
7614	schaersvoo	1604	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1605	/*
		1606	@ grid step_x,step_y,gridcolor
		1607	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1608	@ 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	1609	@ 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	1610	@ can not be set "onclick" or "drag xy"
		1611	@ 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')
		1612	@ 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')
		1613	@ 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')
		1614	*/
7729	schaersvoo	1615	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1616	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1617	for(i=0;i<4;i++){
		1618	switch(i){
		1619	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1620	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1621	case 2:
		1622	if( use_axis == TRUE ){
		1623	stroke_color = get_color(infile,0);
		1624	done = FALSE;
		1625	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1626	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1627	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1628	fill_color = get_color(infile,1); /* used as axis_color*/
		1629	}
		1630	else
		1631	{
		1632	int_data[0] = 1;
		1633	int_data[1] = 1;
		1634	stroke_color = get_color(infile,1);
		1635	fill_color = stroke_color;
		1636	}
		1637	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	1638	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1639	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	1640	/* 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){ */
		1641
		1642	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);
		1643	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1644	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);
		1645	add_to_buffer(tmp_buffer);
		1646	break;
		1647	}
		1648	}
		1649	reset();
		1650	break;
		1651	case OPACITY:
		1652	/*
		1653	@ opacity 0-255,0-255
		1654	@
		1655	*/
		1656	for(i = 0 ; i<2;i++){
		1657	switch(i){
		1658	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1659	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1660	default: break;
		1661	}
		1662	}
		1663	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 ? */
		1664	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1665	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1666	break;
		1667	case ROTATE:
		1668	/*
		1669	@rotate rotation_angle
		1670	@
		1671	*/
		1672	use_rotate = TRUE;
		1673	use_translate = TRUE;
		1674	translate_x = x2px(0);
		1675	translate_y = y2px(0);
		1676	angle = get_real(infile,1);
		1677	break;
7785	schaersvoo	1678	case KILLAFFINE:
		1679	/*
		1680	@ killaffine
		1681	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1682	*/
		1683	use_affine = FALSE;
7842	bpr	1684	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	1685	break;
		1686	case AFFINE:
		1687	/*
		1688	@affine a,b,c,d,tx,ty
7842	bpr	1689	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	1690	@ use keyword 'killaffine' to end the transformation
		1691	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1692	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1693	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1694	@ a : Scales the drawings horizontally
		1695	@ b : Skews the drawings horizontally
		1696	@ c : Skews the drawings vertically
		1697	@ d : Scales the drawings vertically
7786	schaersvoo	1698	@ tx: Moves the drawings horizontally in pixels !
		1699	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1700	*/
		1701	for(i = 0 ; i<6;i++){
		1702	switch(i){
		1703	case 0: double_data[0] = get_real(infile,0);break;
		1704	case 1: double_data[1] = get_real(infile,0);break;
		1705	case 2: double_data[2] = get_real(infile,0);break;
		1706	case 3: double_data[3] = get_real(infile,0);break;
		1707	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1708	case 5: int_data[1] = (int)(get_real(infile,1));
		1709	use_affine = TRUE;
		1710	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]);
		1711	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
7842	bpr	1712	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	1713	break;
		1714	default: break;
		1715	}
		1716	}
		1717	break;
7614	schaersvoo	1718	case KILLTRANSLATION:
		1719	/*
		1720	killtranslation
		1721	*/
		1722	break;
		1723	case TRANSLATION:
		1724	/*
		1725	@translation tx,ty
		1726	@
		1727	*/
		1728	use_translate = TRUE;
		1729	translate_x = get_real(infile,0);
		1730	translate_y = get_real(infile,1);
		1731	break;
		1732	case DASHED:
		1733	/*
		1734	@ keyword "dashed"
		1735	@ next object will be drawn with a dashed line
		1736	@ change dashing scheme by using command "dashtype int,int)
		1737	*/
		1738	use_dashed = TRUE;
		1739	break;
		1740	case FILLED:
		1741	/*
7842	bpr	1742	@ keyword "filled"
		1743	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	1744	@ use command "fillcolor color" to set fillcolor
		1745	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1746	@ 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 !
		1747	*/
		1748	use_filled = TRUE;
		1749	break;
		1750	case STYLE:
		1751	/*
		1752	@highlight color,opacity,linewidth
		1753	@ NOT IMPLEMENTED
		1754	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1755	*/
		1756	break;
		1757	case FILLCOLOR:
		1758	/*
		1759	@ fillcolor colorname or #hex
		1760	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1761	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1762	*/
		1763	fill_color = get_color(infile,1);
		1764	break;
		1765	case STROKECOLOR:
		1766	/*
		1767	@ strokecolor colorname or #hex
		1768	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1769	*/
		1770	stroke_color = get_color(infile,1);
		1771	break;
7842	bpr	1772	case BGIMAGE:
7614	schaersvoo	1773	/*
		1774	@bgimage image_location
		1775	@use an image as background .<br />(we use the background of 'canvas_div' )
		1776	@the background image will be resized to match "width = xsize" and "height = ysize"
		1777	*/
		1778	URL = get_string(infile,1);
		1779	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);
		1780	break;
7842	bpr	1781	case BGCOLOR:
7614	schaersvoo	1782	/*
		1783	@bgcolor colorname or #hex
		1784	@use this color as background of the "div" containing the canvas(es)
		1785	*/
		1786	/* [255,255,255]*/
		1787	bgcolor = get_string(infile,1);
		1788	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1789	int found = 0;
		1790	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1791	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1792	bgcolor = colors[i].hex;
		1793	found = 1;
		1794	break;
		1795	}
		1796	}
		1797	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1798	}
		1799	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1800	break;
		1801	case COPY:
		1802	/*
		1803	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1804	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1805	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
7842	bpr	1806	@ [filename] is the URL of the image
7614	schaersvoo	1807	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1808	@ if command 'drag x/y/xy' is set before command 'copy', the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valuid for the next image<br />draggable / non-draggable images may be mixed
7842	bpr	1809	@ 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	1810
		1811	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1812	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1813	*/
		1814	for(i = 0 ; i<7;i++){
		1815	switch(i){
		1816	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1817	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1818	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1819	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1820	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1821	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1822	case 6: URL = get_string(infile,1);
		1823	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1824	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1825	if( drag_type > -1 ){
		1826	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1827	if(reply_format < 1 ){reply_format = 20;}
		1828	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);
		1829	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7842	bpr	1830	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	1831	drag_type = -1;
		1832	ext_img_cnt++;
		1833	}
		1834	else
		1835	{
		1836	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1837	/*
		1838	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1839	*/
		1840	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]);
		1841	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1842	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]);
		1843	}
		1844	add_to_buffer(tmp_buffer);
		1845	break;
		1846	default: break;
		1847	}
		1848	}
		1849	reset();
		1850	break;
		1851	/*
		1852	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1853	img Specifies the image, canvas, or video element to use
		1854	sx The x coordinate where to start clipping : x1 = int_data[0]
		1855	sy The y coordinate where to start clipping : x2 = int_data[1]
7842	bpr	1856	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	1857	sheight The height of the clipped image : int_data[3] - int_data[1]
		1858	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1859	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1860	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1861	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1862	*/
		1863	case COPYRESIZED:
		1864	/*
		1865	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
7842	bpr	1866	@ 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	1867	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1868	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1869	@ if command 'drag x/y/xy' is set before command 'copy', the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valuid for the next image<br />draggable / non-draggable images may be mixed
7842	bpr	1870	@ 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	1871	*/
		1872	for(i = 0 ; i<9;i++){
		1873	switch(i){
		1874	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1875	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1876	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1877	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1878	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1879	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1880	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1881	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1882	case 8: URL = get_string(infile,1);
		1883	if( drag_type > -1 ){
		1884	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1885	if(reply_format < 1 ){reply_format = 20;}
		1886	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);
		1887	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1888	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);
		1889	drag_type = -1;
		1890	ext_img_cnt++;
		1891	}
		1892	else
		1893	{
		1894	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1895	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]);
		1896	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1897	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]);
		1898	}
		1899	add_to_buffer(tmp_buffer);
		1900	default: break;
		1901	}
		1902	}
		1903	reset();
		1904	break;
		1905	case BUTTON:
		1906	/*
		1907	button x,y,value
		1908	*/
		1909	break;
		1910	case INPUTSTYLE:
		1911	/*
		1912	@ inputstyle style_description
		1913	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1914	*/
		1915	input_style = get_string(infile,1);
		1916	break;
		1917	case INPUT:
7842	bpr	1918	/*
7614	schaersvoo	1919	@ input x,y,size,editable,value
7842	bpr	1920	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	1921	@ only active inputfields (editable = 1) will be read with read_canvas();
		1922	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1923	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1924	*/
7842	bpr	1925	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	1926	for(i = 0 ; i<5;i++){
		1927	switch(i){
		1928	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1929	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1930	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1931	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
7842	bpr	1932	case 4:
7614	schaersvoo	1933	temp = get_string_argument(infile,1);
		1934	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);
		1935	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1936	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);
		1937	add_to_buffer(tmp_buffer);
		1938	input_cnt++;break;
		1939	default: break;
		1940	}
		1941	}
		1942	if(reply_format < 1 ){reply_format = 15;}
		1943	reset();
		1944	break;
		1945	case TEXTAREA:
7842	bpr	1946	/*
7614	schaersvoo	1947	@ textarea x,y,cols,rows,readonly,value
		1948	@ may be further controlled by "inputstyle"
		1949	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1950	*/
7842	bpr	1951	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	1952	for(i = 0 ; i<6;i++){
		1953	switch(i){
		1954	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1955	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1956	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1957	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1958	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1959	case 5: temp = get_string_argument(infile,1);
		1960	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);
		1961	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1962	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);
		1963	add_to_buffer(tmp_buffer);
		1964	input_cnt++;break;
		1965	default: break;
		1966	}
		1967	}
		1968	if(reply_format < 1 ){reply_format = 15;}
		1969	reset();
		1970	break;
		1971	case MOUSE_PRECISION:
		1972	/*
		1973	@ precision int
		1974	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1975	@ may be used / changed before every object
		1976	*/
		1977	precision = (int) (get_real(infile,1));
		1978	break;
7838	schaersvoo	1979	case SETLIMITS:
		1980	/*
7842	bpr	1981	@setlimits
7838	schaersvoo	1982	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		1983	@may be used for inputfield based zooming / panning
7842	bpr	1984	@note:the input value will not be checked on validity
7838	schaersvoo	1985	*/
		1986	add_setlimits(js_include_file,canvas_root_id);
		1987	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		1988	use_pan_and_zoom = TRUE;
		1989	done = TRUE;
		1990	break;
7614	schaersvoo	1991	case ZOOM:
		1992	/*
		1993	@ zoom button_color
		1994	@ introduce a controlpanel at the lower right corner
		1995	@ 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
		1996	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		1997	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
7842	bpr	1998	@ command 'opacity' may be used to set stroke_opacity of 'buttons
7614	schaersvoo	1999	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2000	@ 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 !!
		2001	*/
7653	schaersvoo	2002	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2003	use_pan_and_zoom = TRUE;
7614	schaersvoo	2004	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		2005	/* we use BG_CANVAS (0) */
		2006	stroke_color = get_color(infile,1);
7653	schaersvoo	2007	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2008	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	2009	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2010	add_to_buffer(tmp_buffer);
		2011	done = TRUE;
		2012	break;
		2013	case ONCLICK:
		2014	/*
		2015	@ onclick
		2016	@ keyword, no arguments
		2017	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
7842	bpr	2018	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7614	schaersvoo	2019	@ NOTE: not all objects may be set clickable
		2020	*/
7842	bpr	2021
7614	schaersvoo	2022	onclick = 1;
		2023	break;
		2024	case DRAG:
		2025	/*
		2026	@ drag [x][y][xy]
		2027	@ the next object will be draggable in x / y / xy direction
		2028	@ the displacement can be read by 'javascript:read_dragdrop();'
7842	bpr	2029	@ 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	2030	@ 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 !!
		2031	*/
		2032	temp = get_string(infile,1);
7842	bpr	2033	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2034	drag_type = 0;
		2035	}
		2036	else
		2037	{
7842	bpr	2038	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2039	drag_type = 1;
		2040	}
		2041	else
		2042	{
		2043	drag_type = 2;
		2044	}
		2045	}
		2046	onclick = 2;
		2047	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2048	break;
		2049	case BLINK:
		2050	/*
		2051	@ blink time(seconds)
		2052	@ NOT IMPLEMETED -YET
		2053	*/
		2054	break;
		2055	case MOUSE:
		2056	/*
		2057	@ mouse color,fontsize
		2058	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2059	*/
		2060	stroke_color = get_color(infile,0);
		2061	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2062	tmp_buffer = my_newmem(26);
		2063	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7614	schaersvoo	2064	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2065	break;
		2066	case INTOOLTIP:
		2067	/*
		2068	@ intooltip link_text
		2069	@ link_text is a single line (span-element)
		2070	@ link_text may also be an image URL http://some_server/images/my_image.png
		2071	@ link_text may contain HTML markup
		2072	@ the canvas will be displayed in a tooltip on 'link_text'
		2073	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2074	*/
7823	schaersvoo	2075	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2076	use_tooltip = TRUE;
		2077	tooltip_text = get_string(infile,1);
		2078	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2079	break;
		2080	case AUDIO:
		2081	/*
		2082	@ audio x,y,w,h,loop,visible,audiofile location
		2083	@ x,y : left top corner of audio element (in xrange / yrange)
		2084	@ w,y : width and height in pixels
		2085	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2086	@ visible : 0 or 1 (1 = show controls)
		2087	@ audio format may be in .mp3 or .ogg
		2088	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2089	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2090	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2091	@ 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 />
		2092	*/
		2093	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2094	for(i=0;i<7;i++){
		2095	switch(i){
		2096	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2097	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2098	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2099	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2100	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2101	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
7842	bpr	2102	case 6:
7614	schaersvoo	2103	temp = get_string(infile,1);
		2104	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2105	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2106	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);
		2107	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2108	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);
		2109	add_to_buffer(tmp_buffer);
		2110	break;
		2111	default:break;
		2112	}
		2113	}
		2114	reset();
		2115	break;
		2116	case VIDEO:
		2117	/*
		2118	@ video x,y,w,h,videofile location
		2119	@ x,y : left top corner of audio element (in xrange / yrange)
		2120	@ w,y : width and height in pixels
		2121	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2122	@ video format may be in *.mp4 (todo:other formats)
		2123	*/
		2124	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2125	for(i=0;i<5;i++){
		2126	switch(i){
		2127	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2128	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2129	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2130	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2131	case 4: temp = get_string(infile,1);
		2132	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);
		2133	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2134	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);
		2135	add_to_buffer(tmp_buffer);
		2136	break;
		2137	default:break;
		2138	}
		2139	}
		2140	reset();
		2141	break;
		2142	case HATCHFILL:
		2143	/*
		2144	@ hatchfill x0,y0,dx,dy,color
		2145	@ x0,y0 in xrange / yrange
		2146	@ distances dx,dy in pixels
		2147	*/
		2148	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2149	for(i=0;i<5;i++){
		2150	switch(i){
		2151	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2152	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2153	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2154	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2155	case 4: stroke_color = get_color(infile,1);
		2156	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2157	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);
		2158	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2159	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);
		2160	add_to_buffer(tmp_buffer);
		2161	break;
		2162	default:break;
		2163	}
		2164	}
		2165	reset();
		2166	break;
7647	schaersvoo	2167	case DIAMONDFILL:
		2168	/*
		2169	@ diamondfill x0,y0,dx,dy,color
		2170	@ x0,y0 in xrange / yrange
		2171	@ distances dx,dy in pixels
		2172	*/
		2173	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2174	for(i=0;i<5;i++){
		2175	switch(i){
		2176	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2177	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2178	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2179	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2180	case 4: stroke_color = get_color(infile,1);
		2181	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2182	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);
		2183	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2184	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);
		2185	add_to_buffer(tmp_buffer);
		2186	break;
		2187	default:break;
		2188	}
		2189	}
		2190	reset();
		2191	break;
7614	schaersvoo	2192	case GRIDFILL:
		2193	/*
		2194	@ gridfill x0,y0,dx,dy,color
		2195	@ x0,y0 in xrange / yrange
		2196	@ distances dx,dy in pixels
		2197	*/
		2198	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2199	for(i=0;i<5;i++){
		2200	switch(i){
		2201	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2202	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2203	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2204	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2205	case 4: stroke_color = get_color(infile,1);
		2206	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2207	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);
		2208	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2209	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);
		2210	add_to_buffer(tmp_buffer);
		2211	break;
		2212	default:break;
		2213	}
		2214	}
		2215	reset();
		2216	break;
		2217	case DOTFILL:
		2218	/*
		2219	@ dotfill x0,y0,dx,dy,color
		2220	@ x0,y0 in xrange / yrange
		2221	@ distances dx,dy in pixels
		2222	@ radius of dots is linewidth
		2223	*/
		2224	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2225	for(i=0;i<5;i++){
		2226	switch(i){
		2227	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2228	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2229	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2230	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2231	case 4: stroke_color = get_color(infile,1);
		2232	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2233	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);
		2234	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2235	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);
		2236	add_to_buffer(tmp_buffer);
		2237	break;
		2238	default:break;
		2239	}
		2240	}
		2241	reset();
		2242	break;
		2243	case IMAGEFILL:
		2244	/*
		2245	@ imagefill dx,dy,image_url
		2246	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2247	@ After pattern filling ,the fill-color should be reset !
		2248	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2249	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2250	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2251	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2252	*/
		2253	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2254	for(i=0 ;i < 3 ; i++){
		2255	switch(i){
		2256	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2257	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2258	case 2: URL = get_string_argument(infile,1);
		2259	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);
		2260	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2261	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);
		2262	add_to_buffer(tmp_buffer);
		2263	break;
		2264	}
		2265	}
		2266	break;
		2267	case FILLTOBORDER:
		2268	/*
		2269	@ filltoborder x,y,bordercolor,color
7842	bpr	2270	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2271	@ any other color will not act as border to the bucket fill
		2272	@ use this command after all boundary objects are declared.
		2273	@ 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..
		2274	*/
		2275	for(i=0 ;i < 4 ; i++){
		2276	switch(i){
		2277	case 0:double_data[0] = get_real(infile,0);break;
		2278	case 1:double_data[1] = get_real(infile,0);break;
		2279	case 2:bgcolor = get_color(infile,0);break;
		2280	case 3:fill_color = get_color(infile,1);
		2281	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2282	js_function[DRAW_FILLTOBORDER] = 1;
		2283	add_js_filltoborder(js_include_file,canvas_root_id);
		2284	}
		2285	decimals = find_number_of_digits(precision);
		2286	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));
		2287	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2288	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));
		2289	add_to_buffer(tmp_buffer);
		2290	break;
		2291	default:break;
		2292	}
		2293	}
		2294	break;
		2295	case FLOODFILL:
		2296	/*
		2297	@ floodfill x,y,color
		2298	@ alternative syntax: fill x,y,color
		2299	@ fill the region of point (x:y) with color 'color'
		2300	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2301	@ use this command after all boundary objects are declared.
		2302	@ Use command 'clickfill,color' for user click driven flood fill.
		2303	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2304	@ 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..
		2305	*/
		2306	for(i=0 ;i < 4 ; i++){
		2307	switch(i){
		2308	case 0:double_data[0] = get_real(infile,0);break;
		2309	case 1:double_data[1] = get_real(infile,0);break;
		2310	case 2:fill_color = get_color(infile,1);
		2311	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2312	js_function[DRAW_FLOODFILL] = 1;
		2313	add_js_floodfill(js_include_file,canvas_root_id);
		2314	}
		2315	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2316	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));
		2317	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2318	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));
		2319	add_to_buffer(tmp_buffer);
		2320	break;
		2321	default:break;
		2322	}
		2323	}
		2324	break;
		2325	case CLICKFILLMARGE:
		2326	clickfillmarge = (int) (get_real(infile,1));
		2327	break;
		2328	/*
		2329	@ clickfillmarge int
		2330	@ default 20 (pixels)
		2331	@ 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[])
		2332	*/
		2333	case CLICKFILL:
		2334	/*
		2335	@ clickfill fillcolor
		2336	@ user left mouse click will floodfill the area with fillcolor
		2337	@ multiple areas may be coloured
		2338	@ 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)
		2339	@ the answer will be read as the (x:y) click coordinates per coloured area
		2340	@ background color of main div may be set by using command "bgcolor color"
		2341	@ may not be combined with command "userdraw"
		2342	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2343	*/
		2344	fill_color = get_color(infile,1);
		2345	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2346	js_function[DRAW_FLOODFILL] = 1;
		2347	add_js_floodfill(js_include_file,canvas_root_id);
		2348	}
7653	schaersvoo	2349	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	2350	add_read_canvas(1);
		2351	break;
		2352	case SETPIXEL:
		2353	/*
		2354	@ setpixel x,y,color
		2355	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2356	@ pixels can not be dragged or clicked
		2357	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2358	*/
		2359	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2360	for(i=0;i<3;i++){
		2361	switch(i){
		2362	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2363	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2364	case 2: stroke_color = get_color(infile,1);
		2365	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2366	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2367	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2368	add_to_buffer(tmp_buffer);
		2369	break;
		2370	default:break;
		2371	}
		2372	}
		2373	reset();
		2374	break;
		2375	case PIXELSIZE:
		2376	/*
		2377	@ pixelsize int
		2378	@ in case you want to deviate from default pixelsize = 1...
		2379	*/
		2380	pixelsize = (int) get_real(infile,1);
		2381	break;
		2382	case PIXELS:
		2383	/*
		2384	@ pixels color,x1,y1,x2,y2,x3,y3...
		2385	@ Draw "points" with diameter 1 pixel
		2386	@ pixels can not be dragged or clicked
		2387	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2388	*/
		2389	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2390	stroke_color=get_color(infile,0);
		2391	i=0;
		2392	c=0;
		2393	while( ! done ){ /* get next item until EOL*/
		2394	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2395	for( c = 0 ; c < 2; c++){
		2396	if(c == 0 ){
		2397	double_data[i] = get_real(infile,0);
		2398	i++;
		2399	}
		2400	else
		2401	{
		2402	double_data[i] = get_real(infile,1);
		2403	i++;
		2404	}
		2405	}
		2406	}
		2407	decimals = find_number_of_digits(precision);
		2408	/* double_xy2js_array(double xy[],int len,int decimals) /
		2409	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2410	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2411	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2412	add_to_buffer(tmp_buffer);
		2413	break;
		2414	case REPLYFORMAT:
		2415	/*
		2416	@ replyformat number
		2417	@ default values should be fine !
7782	schaersvoo	2418	@ 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	2419	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2420	*/
		2421	reply_format = (int) get_real(infile,1);
		2422	break;
		2423	case LEGENDCOLORS:
		2424	/*
		2425	@ legendcolors color1:color2:color3:...:color_n
		2426	@ will be used to colour a legend
		2427	@ make sure the number of colours match the number of legend items
7842	bpr	2428	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	2429	*/
		2430	temp = get_string(infile,1);
		2431	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2432	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2433	break;
		2434	case LEGEND:
		2435	/*
		2436	@ legend string1:string2:string3....string_n
		2437	@ will be used to create a legend for a graph
7842	bpr	2438	@ also see command 'piechart'
7614	schaersvoo	2439	*/
		2440	temp = get_string(infile,1);
		2441	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2442	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2443	break;
		2444	case XLABEL:
		2445	/*
		2446	@ xlabel some_string
		2447	@ will be used to create a label for the x-axis (label is in quadrant I)
		2448	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7842	bpr	2449	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2450	*/
		2451	temp = get_string(infile,1);
7653	schaersvoo	2452	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2453	break;
		2454	case YLABEL:
		2455	/*
		2456	@ ylabel some_string
7842	bpr	2457	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	2458	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7842	bpr	2459	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2460	*/
		2461	temp = get_string(infile,1);
7653	schaersvoo	2462	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2463	break;
		2464	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2465	/*
		2466	@ linegraph x1:y1;x2:y2...x_n:y;2
		2467	@ will plot your data in a graph
		2468	@ may only to be used together with command 'grid'
		2469	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2470	@ use command 'legend' to provide an optional legend in right-top-corner
		2471	@ also see command 'piechart'
		2472	@ multiple linegraphs may be used in a single plot
		2473	@ <ul><li>use command 'strokecolor' before command 'linegraph' to set the color of this graph</li><li>use command 'linewidth' before command 'linegraph' to set linewidth of this graph</li><li>use command 'dashed' before command 'linegraph' to set dashing of the graph</li><li>if dashing is set, use command 'dashtype' before command 'linegraph' to set the type of dashing of the graph</li></ul>
7842	bpr	2474	*/
7614	schaersvoo	2475	temp = get_string(infile,1);
		2476	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2477	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	2478	linegraph_cnt++;
		2479	reset();
		2480	break;
		2481	case CLOCK:
		2482	/*
		2483	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2484	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2485	@ 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
		2486	@ 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>
		2487	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2488	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2489	@ 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	2490	*/
		2491	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2492
		2493	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2494	for(i=0;i<9;i++){
		2495	switch(i){
		2496	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2497	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2498	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2499	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2500	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2501	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2502	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	2503	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2504	switch(int_data[7]){
		2505	case 0:break;
		2506	case 1:if(clock_cnt == 0){
		2507	if( reply_format == 0 ){
7614	schaersvoo	2508	reply_format = 18; /* user sets clock */
7783	schaersvoo	2509	/* 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	2510	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2511	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");
		2512	add_to_buffer(tmp_buffer);
7783	schaersvoo	2513	*/
		2514	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");
		2515	}
		2516	else
		2517	{
		2518	canvas_error("interactive clock may not be used together with other reply_types...");
		2519	}
		2520	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);
		2521	}
		2522	break;
		2523	case 2:if( reply_format == 0 ){
		2524	reply_format = 19; /* "onclick */
		2525	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 ");
		2526	}
		2527	else
		2528	{
		2529	if( reply_format != 19){
7614	schaersvoo	2530	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2531	}
7783	schaersvoo	2532	}
		2533	break;
		2534	default: canvas_error("interactive must be set 0,1 or 2");break;
		2535	}
		2536	break;
7842	bpr	2537	case 8:
7614	schaersvoo	2538	temp = get_string(infile,1);
		2539	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2540	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2541	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);
		2542	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2543	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);
		2544	add_to_buffer(tmp_buffer);
		2545	clock_cnt++;
		2546	break;
		2547	default:break;
		2548	}
		2549	}
		2550	break;
		2551	case BARCHART:
		2552	/*
		2553	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2554	@ will be used to create a legend for bar graph
		2555	@ may only to be used together with command 'grid'
		2556	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2557	@ use command 'legend' to provide an optional legend in right-top-corner
7842	bpr	2558	@ also see command 'piechart'
7614	schaersvoo	2559	*/
		2560	temp = get_string(infile,1);
		2561	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2562	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2563	reset();
		2564	break;
		2565	case PIECHART:
		2566	/*
		2567	@ piechart xc,yc,radius,'data+colorlist'
		2568	@ (xc : yc) center of circle diagram in xrange/yrange
		2569	@ radius in pixels
		2570	@ 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
		2571	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2572	@ the number of colors must match the number of data.
		2573	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2574	@ 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...
		2575	*/
7842	bpr	2576	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2577	for(i=0;i<5;i++){
		2578	switch(i){
		2579	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2580	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2581	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2582	case 3: temp = get_string(infile,1);
		2583	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2584	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);
		2585	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2586	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);
		2587	add_to_buffer(tmp_buffer);
		2588	break;
		2589	default:break;
		2590	}
		2591	}
		2592	reset();
		2593	break;
		2594	case STATUS:
		2595	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2596	break;
7735	schaersvoo	2597	case XLOGBASE:
7729	schaersvoo	2598	/*
7735	schaersvoo	2599	@ xlogbase number
		2600	@ sets the logbase number for the x-axis
7729	schaersvoo	2601	@ default value 10
7735	schaersvoo	2602	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2603	*/
7735	schaersvoo	2604	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2605	break;
7735	schaersvoo	2606	case YLOGBASE:
		2607	/*
		2608	@ ylogbase number
		2609	@ sets the logbase number for the y-axis
		2610	@ default value 10
		2611	@ use together with commands ylogscale / xylogscale
		2612	*/
		2613	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2614	break;
7614	schaersvoo	2615	case XLOGSCALE:
		2616	/*
7735	schaersvoo	2617	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2618	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2619	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2620	@ the linewidth is set using command 'linewidth int'
		2621	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2622	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7842	bpr	2623	@ 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	2624	@ note: the complete canvas will be used for the 'log paper'
		2625	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2626	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7842	bpr	2627	@ 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	2628	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2629	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2630	*/
7735	schaersvoo	2631	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2632	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2633	for(i=0;i<4;i++){
		2634	switch(i){
		2635	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2636	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2637	case 2: stroke_color = get_color(infile,0); break;
7842	bpr	2638	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2639	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	2640	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2641	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	2642	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2643	add_to_buffer(tmp_buffer);
		2644	break;
		2645	default:break;
		2646	}
		2647	}
7614	schaersvoo	2648	break;
		2649	case YLOGSCALE:
7729	schaersvoo	2650	/*
		2651	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2652	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2653	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2654	@ the linewidth is set using command 'linewidth int'
		2655	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2656	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7842	bpr	2657	@ 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	2658	@ note: the complete canvas will be used for the 'log paper'
		2659	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2660	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7842	bpr	2661	@ 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	2662	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2663	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2664	*/
		2665	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2666	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2667	for(i=0;i<4;i++){
		2668	switch(i){
		2669	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2670	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2671	case 2: stroke_color = get_color(infile,0); break;
7842	bpr	2672	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2673	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	2674	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2675	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	2676	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2677	add_to_buffer(tmp_buffer);
		2678	break;
		2679	default:break;
		2680	}
		2681	}
7614	schaersvoo	2682	break;
		2683	case XYLOGSCALE:
7735	schaersvoo	2684	/*
		2685	@ xylogscale majorcolor,minorcolor
		2686	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2687	@ the linewidth is set using command 'linewidth int'
		2688	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2689	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7842	bpr	2690	@ 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	2691	@ note: the complete canvas will be used for the 'log paper'
		2692	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2693	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7842	bpr	2694	@ 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	2695	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2696	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2697	*/
		2698	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2699	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2700	for(i=0;i<2;i++){
		2701	switch(i){
		2702	case 0: stroke_color = get_color(infile,0); break;
7842	bpr	2703	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2704	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	2705	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2706	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	2707	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2708	add_to_buffer(tmp_buffer);
		2709	break;
		2710	default:break;
		2711	}
		2712	}
		2713	break;
7614	schaersvoo	2714	default:sync_input(infile);
		2715	break;
		2716	}
7842	bpr	2717	}
7614	schaersvoo	2718	/* we are done parsing script file */
7842	bpr	2719
7614	schaersvoo	2720	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2721	add_javascript_functions(js_function,canvas_root_id);
		2722	/* add read_canvas() etc functions if needed */
		2723	if( reply_format > 0 ){ add_read_canvas(reply_format);}
7797	schaersvoo	2724	if( use_pan_and_zoom == TRUE ){
		2725	/* in case of zooming ... */
7729	schaersvoo	2726	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	2727	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	2728	var ymin_start=ymin;var ymax_start=xmax;\
		2729	var zoom_x_increment=0;var zoom_y_increment=0;\
		2730	var pan_x_increment=0;var pan_y_increment=0;\
		2731	if(use_ylogscale == 0 ){\
		2732	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2733	}else{\
		2734	zoom_x_increment = (xmax - xmin)/20;\
		2735	pan_x_increment = (xmax - xmin)/20;\
		2736	};\
7653	schaersvoo	2737	function start_canvas%d(type){\
		2738	switch(type){\
7729	schaersvoo	2739	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2740	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	2741	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2742	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2743	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2744	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2745	case 6:location.reload();break;\
		2746	default:break;\
		2747	};\
		2748	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2749	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2750	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2751	%s\
		2752	};\
7797	schaersvoo	2753	start_canvas%d(333);\
7614	schaersvoo	2754	};\n\
		2755	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	2756	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		2757	}
		2758	else
		2759	{
		2760	/* no zoom, just add buffer */
		2761	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		2762	%s\
		2763	};\n\
		2764	<!-- end wims_canvas_function -->\n\
		2765	wims_canvas_function%d();\n",buffer,canvas_root_id);
		2766	}
7614	schaersvoo	2767	/* done writing the javascript include file */
		2768	fclose(js_include_file);
		2769
		2770	}
		2771
		2772	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2773	if(use_tooltip == TRUE){
		2774	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2775	}
		2776	exit(EXIT_SUCCESS);
		2777	}
		2778	/* end main() */
		2779
		2780	/******************************************************************************
		2781	**
		2782	** sync_input
		2783	**
		2784	** synchronises input line - reads to end of line, leaving file pointer
		2785	** at first character of next line.
		2786	**
		2787	** Used by:
		2788	** main program - error handling.
		2789	**
		2790	******************************************************************************/
		2791	void sync_input(FILE *infile)
		2792	{
		2793	int c = 0;
		2794
7658	schaersvoo	2795	if( c == '\n' \|\| c == ';' ) return;
		2796	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2797	if( c == EOF ) finished = 1;
7658	schaersvoo	2798	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2799	return;
		2800	}
		2801
		2802	/******************************************************************************/
		2803
		2804	char str_replace(const char str, const char old, const char new){
		2805	/* http://creativeandcritical.net/str-replace-c/ */
		2806	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2807	char ret, r;
		2808	const char p, q;
		2809	size_t oldlen = strlen(old);
		2810	size_t count = 0;
		2811	size_t retlen = 0;
		2812	size_t newlen = strlen(new);
		2813	if (oldlen != newlen){
		2814	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2815	count++;
		2816	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2817	}
7842	bpr	2818	}
7614	schaersvoo	2819	else
		2820	{
		2821	retlen = strlen(str);
		2822	}
7842	bpr	2823
7614	schaersvoo	2824	if ((ret = malloc(retlen + 1)) == NULL){
		2825	ret = NULL;
		2826	canvas_error("string argument is NULL");
		2827	}
		2828	else
		2829	{
		2830	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2831	size_t l = q - p;
		2832	memcpy(r, p, l);
		2833	r += l;
		2834	memcpy(r, new, newlen);
		2835	r += newlen;
		2836	}
		2837	strcpy(r, p);
		2838	}
		2839	return ret;
		2840	}
		2841
		2842	/******************************************************************************/
		2843	/*
		2844	avoid the use of ctypes.h for tolower() toupper();
		2845	it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
		2846	Upper case -> Lower case : c = c - 'A'+ 'a';
		2847	Lower case -> Upper case c = c + 'A' - 'a';
7848	bpr	2848
7614	schaersvoo	2849	int tolower(int c){
		2850	if(c <= 'Z'){
		2851	if (c >= 'A'){
		2852	return c - 'A' + 'a';
		2853	}
		2854	}
		2855	return c;
7842	bpr	2856	}
7614	schaersvoo	2857
		2858	int toupper(int c){
		2859	if(c >= 'a' && c <= 'z'){
		2860	return c + 'A' - 'a';
		2861	}
		2862	return c;
7842	bpr	2863	}
7848	bpr	2864	*/
7614	schaersvoo	2865	char get_color(FILE infile , int last){
		2866	int c,i = 0,is_hex = 0;
		2867	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2868	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2869	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2870	if( c == '#' ){
		2871	is_hex = 1;
		2872	}
		2873	if( c != ' '){
		2874	temp[i]=tolower(c);
		2875	i++;
		2876	}
		2877	}
7842	bpr	2878	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2879	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2880	if( c == EOF ){finished = 1;}
		2881	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2882	temp[i]='\0';
		2883	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2884	if( is_hex == 1 ){
		2885	char red[3], green[3], blue[3];
		2886	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2887	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2888	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2889	int r = (int) strtol(red, NULL, 16);
		2890	int g = (int) strtol(green, NULL, 16);
		2891	int b = (int) strtol(blue, NULL, 16);
		2892	string = (char *)my_newmem(12);
		2893	snprintf(string,11,"%d,%d,%d",r,g,b);
		2894	return string;
		2895	}
		2896	else
		2897	{
		2898	string = (char *)my_newmem(sizeof(temp));
		2899	snprintf(string,sizeof(temp),"%s",temp);
		2900	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2901	if( strcmp( colors[i].name , string ) == 0 ){
		2902	return colors[i].rgb;
		2903	}
		2904	}
		2905	}
		2906	/* not found...return error */
		2907	free(string);string = NULL;
		2908	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2909	return NULL;
		2910	}
		2911
		2912	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2913	int c,i=0;
		2914	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2915	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2916	temp[i]=c;
		2917	i++;
		2918	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2919	}
7842	bpr	2920	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2921	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2922	if( c == EOF ) {
		2923	finished = 1;
		2924	if( last != 1 ){ canvas_error("expected more arguments");}
		2925	}
		2926	temp[i]='\0';
		2927	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2928	string=(char *)my_newmem(strlen(temp));
		2929	snprintf(string,sizeof(temp),"%s",temp);
		2930	return string;
		2931	}
		2932
		2933	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2934	int c,i=0;
		2935	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2936	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2937	temp[i]=c;
		2938	i++;
		2939	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2940	}
7842	bpr	2941	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2942	if( c == '\n') { line_number++; }
7614	schaersvoo	2943	if( c == EOF ) {finished = 1;}
		2944	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2945	temp[i]='\0';
		2946	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2947	string=(char *)my_newmem(sizeof(temp));
		2948	snprintf(string,sizeof(temp),"%s",temp);
		2949	done = TRUE;
		2950	return string;
		2951	}
		2952
		2953	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2954	int c,i=0,found_calc = 0;
		2955	double y;
		2956	char tmp[MAX_INT];
7658	schaersvoo	2957	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2958	if( c != ' ' ){
7842	bpr	2959	/*
		2960	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	2961	We will check after assert() if it's a NULL pointer...and exit program via :
		2962	canvas_error("I'm having trouble parsing your \"expression\" ");
		2963	*/
7842	bpr	2964	if( i == 0 && c == '+' ){
7614	schaersvoo	2965	continue;
7842	bpr	2966	}
7614	schaersvoo	2967	else
		2968	{
		2969	if(canvas_iscalculation(c) != 0){
		2970	found_calc = 1;
		2971	c = tolower(c);
		2972	}
		2973	tmp[i] = c;
		2974	i++;
		2975	}
		2976	}
		2977	if( i > MAX_INT - 1){canvas_error("number too large");}
		2978	}
7842	bpr	2979	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	2980	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2981	if( c == EOF ){done = TRUE ; finished = 1;}
		2982	tmp[i]='\0';
		2983	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2984	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	2985	void *f = eval_create(tmp);
7614	schaersvoo	2986	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	2987	y = eval_x(f, 1);
7614	schaersvoo	2988	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	2989	eval_destroy(f);
7614	schaersvoo	2990	}
		2991	else
		2992	{
		2993	y = atof(tmp);
		2994	}
		2995	return y;
		2996	}
		2997	void canvas_error(char *msg){
7748	schaersvoo	2998	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	2999	finished = 1;
		3000	exit(EXIT_SUCCESS);
		3001	}
		3002
		3003
		3004	/* convert x/y coordinates to pixel */
		3005	int x2px(double x){
		3006	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3007	}
		3008
		3009	int y2px(double y){
		3010	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3011	}
		3012
		3013	double px2x(int x){
		3014	return (x*(xmax - xmin)/xsize + xmin);
		3015	}
		3016	double px2y(int y){
		3017	return (y*(ymax - ymin)/ysize + ymin);
		3018	}
		3019
		3020	void add_to_buffer(char *tmp){
		3021	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3022	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3023	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3024	if( space_left > strlen(tmp)){
		3025	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3026	}
		3027	else
		3028	{
		3029	canvas_error("buffer is too big\n");
		3030	}
		3031	tmp = NULL;free(tmp);
		3032	return;
		3033	}
		3034
		3035	void reset(){
		3036	if(use_filled == TRUE){use_filled = FALSE;}
		3037	if(use_dashed == TRUE){use_dashed = FALSE;}
		3038	if(use_translate == TRUE){use_translate = FALSE;}
		3039	if(use_rotate == TRUE){use_rotate = FALSE;}
		3040	onclick = 0;
		3041	}
		3042
		3043
		3044
		3045	/* What reply format in read_canvas();
		3046
		3047	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3048	1 = x1,x2,x3,x4....x_n
		3049	y1,y2,y3,y4....y_n
		3050
		3051	x/y in pixels
		3052
		3053	2 = x1,x2,x3,x4....x_n
		3054	y1,y2,y3,y4....y_n
		3055	x/y in xrange / yrange coordinate system
		3056
		3057	3 = x1,x2,x3,x4....x_n
		3058	y1,y2,y3,y4....y_n
		3059	r1,r2,r3,r4....r_n
		3060
7842	bpr	3061	x/y in pixels
7614	schaersvoo	3062	r in pixels
		3063
		3064	4 = x1,x2,x3,x4....x_n
		3065	y1,y2,y3,y4....y_n
		3066	r1,r2,r3,r4....r_n
		3067
		3068	x/y in xrange / yrange coordinate system
		3069	r in pixels
		3070
		3071	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3072	Ay1,Ay2,Ay3,Ay4....Ay_n
		3073	Bx1,Bx2,Bx3,Bx4....Bx_n
		3074	By1,By2,By3,By4....By_n
		3075	Cx1,Cx2,Cx3,Cx4....Cx_n
		3076	Cy1,Cy2,Cy3,Cy4....Cy_n
		3077	....
		3078	Zx1,Zx2,Zx3,Zx4....Zx_n
		3079	Zy1,Zy2,Zy3,Zy4....Zy_n
7842	bpr	3080
7614	schaersvoo	3081	x/y in pixels
		3082
		3083	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3084	Ay1,Ay2,Ay3,Ay4....Ay_n
		3085	Bx1,Bx2,Bx3,Bx4....Bx_n
		3086	By1,By2,By3,By4....By_n
		3087	Cx1,Cx2,Cx3,Cx4....Cx_n
		3088	Cy1,Cy2,Cy3,Cy4....Cy_n
		3089	....
		3090	Zx1,Zx2,Zx3,Zx4....Zx_n
		3091	Zy1,Zy2,Zy3,Zy4....Zy_n
		3092
		3093	x/y in xrange / yrange coordinate system
7842	bpr	3094
7614	schaersvoo	3095	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7842	bpr	3096
7614	schaersvoo	3097	x/y in pixels
		3098
		3099	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7842	bpr	3100
7614	schaersvoo	3101	x/y in xrange / yrange coordinate system
		3102
7842	bpr	3103	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3104
		3105	x/y in pixels
		3106
7842	bpr	3107	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3108
		3109	x/y in xrange / yrange coordinate system
		3110
		3111	11 = Ax1,Ay1,Ax2,Ay2
		3112	Bx1,By1,Bx2,By2
		3113	Cx1,Cy1,Cx2,Cy2
		3114	Dx1,Dy1,Dx2,Dy2
		3115	......
		3116	Zx1,Zy1,Zx2,Zy2
7842	bpr	3117
7614	schaersvoo	3118	x/y in xrange / yrange coordinate system
		3119
		3120	12 = Ax1,Ay1,Ax2,Ay2
		3121	Bx1,By1,Bx2,By2
		3122	Cx1,Cy1,Cx2,Cy2
		3123	Dx1,Dy1,Dx2,Dy2
		3124	......
		3125	Zx1,Zy1,Zx2,Zy2
7842	bpr	3126
7614	schaersvoo	3127	x/y in pixels
		3128
		3129	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3130
		3131	x/y in xrange / yrange coordinate system
		3132	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3133	x/y in pixels
		3134	15 = reply from inputfields,textareas
		3135	reply1,reply2,reply3,...,reply_n
		3136
		3137	16 = read mathml inputfields only
		3138
		3139	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3140	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3141
		3142	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3143	19 = return clicked object number (analogue to shape-library onclick)
		3144	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3145	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3146	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3147	x/y in xrange / yrange coordinate system
7842	bpr	3148	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3149	*/
		3150
		3151
		3152	void add_read_canvas(int type_reply){
		3153	/* just 1 reply type allowed */
		3154	switch(type_reply){
		3155	/* TO DO
7842	bpr	3156	!!!! NEED TO SIMPLIFY !!!!
7614	schaersvoo	3157	answers may have:
		3158	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3159	*/
		3160	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3161	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3162	function read_canvas(){\
		3163	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3164	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3165	var p = 0;var input_reply = new Array();\
		3166	if( document.getElementById(\"canvas_input0\")){\
		3167	var t = 0;\
		3168	while(document.getElementById(\"canvas_input\"+t)){\
		3169	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3170	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3171	p++;\
		3172	};\
		3173	t++;\
		3174	};\
		3175	};\
		3176	if( typeof userdraw_text != 'undefined' ){\
		3177	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3178	}\
		3179	else\
		3180	{\
		3181	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3182	}\
		3183	}\
		3184	else\
		3185	{\
		3186	if( typeof userdraw_text != 'undefined' ){\
		3187	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3188	}\
		3189	else\
		3190	{\
		3191	return userdraw_x+\"\\n\"+userdraw_y;\
		3192	}\
		3193	};\
		3194	};\
		3195	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3196	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3197	break;
		3198	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3199	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3200	function read_canvas(){\
		3201	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3202	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3203	while(userdraw_x[p]){\
		3204	reply_x[p] = px2x(userdraw_x[p]);\
		3205	reply_y[p] = px2y(userdraw_y[p]);\
		3206	p++;\
		3207	};\
		3208	if(p == 0){alert(\"nothing drawn...\");return;};\
		3209	if( document.getElementById(\"canvas_input0\")){\
		3210	var p = 0;var input_reply = new Array();\
		3211	if( document.getElementById(\"canvas_input0\")){\
		3212	var t = 0;\
		3213	while(document.getElementById(\"canvas_input\"+t)){\
		3214	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3215	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3216	p++;\
		3217	};\
		3218	t++;\
		3219	};\
		3220	};\
		3221	if( typeof userdraw_text != 'undefined' ){\
		3222	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3223	}\
		3224	else\
		3225	{\
		3226	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3227	}\
		3228	}\
		3229	else\
		3230	{\
		3231	if( typeof userdraw_text != 'undefined' ){\
		3232	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3233	}\
		3234	else\
		3235	{\
		3236	return reply_x+\"\\n\"+reply_y;\
		3237	};\
		3238	};\
		3239	};\
		3240	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3241	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3242	break;
		3243	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3244	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3245	function read_canvas(){\
		3246	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3247	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3248	var p = 0;var input_reply = new Array();\
		3249	if( document.getElementById(\"canvas_input0\")){\
		3250	var t = 0;\
		3251	while(document.getElementById(\"canvas_input\"+t)){\
		3252	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3253	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3254	p++;\
		3255	};\
		3256	t++;\
		3257	};\
		3258	};\
		3259	if( typeof userdraw_text != 'undefined' ){\
		3260	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3261	}\
		3262	else\
		3263	{\
		3264	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3265	}\
		3266	}\
		3267	else\
		3268	{\
		3269	if( typeof userdraw_text != 'undefined' ){\
		3270	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3271	}\
		3272	else\
		3273	{\
		3274	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3275	}\
		3276	}\
		3277	};\
		3278	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3279	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3280	break;
		3281	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3282	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3283	function read_canvas(){\
		3284	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3285	while(userdraw_x[p]){\
		3286	reply_x[p] = px2x(userdraw_x[p]);\
		3287	reply_y[p] = px2y(userdraw_y[p]);\
		3288	p++;\
		3289	};\
		3290	if(p == 0){alert(\"nothing drawn...\");return;};\
		3291	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3292	var p = 0;var input_reply = new Array();\
		3293	if( document.getElementById(\"canvas_input0\")){\
		3294	var t = 0;\
		3295	while(document.getElementById(\"canvas_input\"+t)){\
		3296	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3297	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3298	p++;\
		3299	};\
		3300	t++;\
		3301	};\
		3302	};\
		3303	if( typeof userdraw_text != 'undefined' ){\
		3304	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3305	}\
		3306	else\
		3307	{\
		3308	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3309	}\
		3310	}\
		3311	else\
		3312	{\
		3313	if( typeof userdraw_text != 'undefined' ){\
		3314	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3315	}\
		3316	else\
		3317	{\
		3318	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3319	}\
		3320	};\
		3321	};\
		3322	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3323	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3324	break;
7842	bpr	3325	/*
		3326	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3327	used for userdraw multiple paths
7614	schaersvoo	3328	*/
		3329	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3330	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3331	function read_canvas(){\
		3332	var p = 0;\
		3333	var reply = \"\";\
		3334	for(p = 0; p < userdraw_x.length;p++){\
		3335	if(userdraw_x[p] != null ){\
		3336	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3337	};\
		3338	};\
		3339	if(p == 0){alert(\"nothing drawn...\");return;};\
		3340	userdraw_x = [];userdraw_y = [];\
		3341	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3342	var p = 0;var input_reply = new Array();\
		3343	if( document.getElementById(\"canvas_input0\")){\
		3344	var t = 0;\
		3345	while(document.getElementById(\"canvas_input\"+t)){\
		3346	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3347	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3348	p++;\
		3349	};\
		3350	t++;\
		3351	};\
		3352	};\
		3353	if( typeof userdraw_text != 'undefined' ){\
		3354	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3355	}\
		3356	else\
		3357	{\
		3358	return reply +\"\\n\"+input_reply;\
		3359	}\
		3360	}\
		3361	else\
		3362	{\
		3363	if( typeof userdraw_text != 'undefined' ){\
		3364	return reply+\"\\n\"+userdraw_text;\
		3365	}\
		3366	else\
		3367	{\
		3368	return reply;\
		3369	}\
		3370	};\
		3371	};\
7654	schaersvoo	3372	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3373	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3374	break;
7842	bpr	3375	/*
		3376	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3377	used for userdraw multiple paths
7614	schaersvoo	3378	*/
		3379	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3380	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3381	function read_canvas(){\
		3382	var p = 0;\
		3383	var reply = \"\";\
		3384	var tmp_x = new Array();\
		3385	var tmp_y = new Array();\
		3386	for(p = 0 ; p < userdraw_x.length; p++){\
		3387	tmp_x = userdraw_x[p];\
		3388	tmp_y = userdraw_y[p];\
		3389	if(tmp_x != null){\
		3390	for(var i = 0 ; i < tmp_x.length ; i++){\
		3391	tmp_x[i] = px2x(tmp_x[i]);\
		3392	tmp_y[i] = px2y(tmp_y[i]);\
		3393	};\
		3394	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3395	};\
		3396	};\
		3397	if(p == 0){alert(\"nothing drawn...\");return;};\
		3398	userdraw_x = [];userdraw_y = [];\
		3399	if( document.getElementById(\"canvas_input0\") ){\
		3400	var p = 0;var input_reply = new Array();\
		3401	if( document.getElementById(\"canvas_input0\")){\
		3402	var t = 0;\
		3403	while(document.getElementById(\"canvas_input\"+t)){\
		3404	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3405	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3406	p++;\
		3407	};\
		3408	t++;\
		3409	};\
		3410	};\
		3411	if( typeof userdraw_text != 'undefined' ){\
		3412	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3413	}\
		3414	else\
		3415	{\
		3416	return reply +\"\\n\"+input_reply;\
		3417	}\
		3418	}\
		3419	else\
		3420	{\
		3421	if( typeof userdraw_text != 'undefined' ){\
		3422	return reply +\"\\n\"+userdraw_text;\
		3423	}\
		3424	else\
		3425	{\
		3426	return reply;\
		3427	}\
		3428	};\
		3429	};\
		3430	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3431	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3432	break;
		3433	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3434	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3435	function read_canvas(){\
		3436	var reply = new Array();\
		3437	var p = 0;\
		3438	while(userdraw_x[p]){\
		3439	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3440	p++;\
		3441	};\
		3442	if(p == 0){alert(\"nothing drawn...\");return;};\
		3443	if( document.getElementById(\"canvas_input0\") ){\
		3444	var p = 0;var input_reply = new Array();\
		3445	if( document.getElementById(\"canvas_input0\")){\
		3446	var t = 0;\
		3447	while(document.getElementById(\"canvas_input\"+t)){\
		3448	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3449	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3450	p++;\
		3451	};\
		3452	t++;\
		3453	};\
		3454	};\
		3455	if( typeof userdraw_text != 'undefined' ){\
		3456	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3457	}\
		3458	else\
		3459	{\
		3460	return reply+\"\\n\"+input_reply;\
		3461	}\
		3462	};\
		3463	else\
		3464	{\
		3465	if( typeof userdraw_text != 'undefined' ){\
		3466	return reply+\"\\n\"+userdraw_text;\
		3467	}\
		3468	else\
		3469	{\
		3470	return reply;\
		3471	}\
		3472	};\
		3473	};\
		3474	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3475	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3476	break;
		3477	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3478	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3479	function read_canvas(){\
		3480	var reply = new Array();\
		3481	var p = 0;\
		3482	while(userdraw_x[p]){\
		3483	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3484	p++;\
		3485	};\
		3486	if(p == 0){alert(\"nothing drawn...\");return;};\
		3487	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3488	var p = 0;var input_reply = new Array();\
		3489	if( document.getElementById(\"canvas_input0\")){\
		3490	var t = 0;\
		3491	while(document.getElementById(\"canvas_input\"+t)){\
		3492	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3493	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3494	p++;\
		3495	};\
		3496	t++;\
		3497	};\
		3498	};\
		3499	if( typeof userdraw_text != 'undefined' ){\
		3500	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3501	}\
		3502	else\
		3503	{\
		3504	return reply +\"\\n\"+input_reply;\
		3505	}\
		3506	}\
		3507	else\
		3508	{\
		3509	if( typeof userdraw_text != 'undefined' ){\
		3510	return reply +\"\\n\"+userdraw_text;\
		3511	}\
		3512	else\
		3513	{\
		3514	return reply;\
		3515	}\
		3516	};\
		3517	};\
		3518	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3519	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3520	break;
		3521	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3522	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3523	function read_canvas(){\
		3524	var reply = new Array();\
		3525	var p = 0;\
		3526	while(userdraw_x[p]){\
		3527	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3528	p++;\
		3529	};\
		3530	if(p == 0){alert(\"nothing drawn...\");return;};\
		3531	if( document.getElementById(\"canvas_input0\") ){\
		3532	var p = 0;var input_reply = new Array();\
		3533	if( document.getElementById(\"canvas_input0\")){\
		3534	var t = 0;\
		3535	while(document.getElementById(\"canvas_input\"+t)){\
		3536	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3537	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3538	p++;\
		3539	};\
		3540	t++;\
		3541	};\
		3542	};\
		3543	if( typeof userdraw_text != 'undefined' ){\
		3544	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3545	}\
		3546	else\
		3547	{\
		3548	return reply +\"\\n\"+input_reply;\
		3549	}\
		3550	}\
		3551	else\
		3552	{\
		3553	if( typeof userdraw_text != 'undefined' ){\
		3554	return reply +\"\\n\"+userdraw_text;\
		3555	}\
		3556	else\
		3557	{\
		3558	return reply;\
		3559	}\
		3560	};\
		3561	};\
		3562	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3563	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3564	break;
		3565	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3566	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3567	function read_canvas(){\
		3568	var reply = new Array();\
		3569	var p = 0;\
		3570	while(userdraw_x[p]){\
		3571	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3572	p++;\
		3573	};\
		3574	if(p == 0){alert(\"nothing drawn...\");return;};\
		3575	if( document.getElementById(\"canvas_input0\") ){\
		3576	var p = 0;var input_reply = new Array();\
		3577	if( document.getElementById(\"canvas_input0\")){\
		3578	var t = 0;\
		3579	while(document.getElementById(\"canvas_input\"+t)){\
		3580	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3581	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3582	p++;\
		3583	};\
		3584	t++;\
		3585	};\
		3586	};\
		3587	if( typeof userdraw_text != 'undefined' ){\
		3588	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3589	}\
		3590	else\
		3591	{\
		3592	return reply +\"\\n\"+input_reply;\
		3593	}\
		3594	}\
		3595	else\
		3596	{\
		3597	if( typeof userdraw_text != 'undefined' ){\
		3598	return reply +\"\\n\"+userdraw_text;\
		3599	}\
		3600	else\
		3601	{\
		3602	return reply;\
		3603	}\
		3604	};\
		3605	};\
		3606	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3607	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3608	break;
		3609	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3610	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3611	function read_canvas(){\
		3612	var reply = \"\";\
		3613	var p = 0;\
		3614	while(userdraw_x[p]){\
		3615	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3616	p = p+2;\
		3617	};\
		3618	if(p == 0){alert(\"nothing drawn...\");return;};\
		3619	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3620	var p = 0;var input_reply = new Array();\
		3621	if( document.getElementById(\"canvas_input0\")){\
		3622	var t = 0;\
		3623	while(document.getElementById(\"canvas_input\"+t)){\
		3624	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3625	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3626	p++;\
		3627	};\
		3628	t++;\
		3629	};\
		3630	};\
		3631	if( typeof userdraw_text != 'undefined' ){\
		3632	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3633	}\
		3634	else\
		3635	{\
		3636	return reply +\"\\n\"+input_reply;\
		3637	}\
		3638	}\
		3639	else\
		3640	{\
		3641	if( typeof userdraw_text != 'undefined' ){\
		3642	return reply +\"\\n\"+userdraw_text;\
		3643	}\
		3644	else\
		3645	{\
		3646	return reply;\
		3647	}\
		3648	};\
		3649	};\
		3650	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3651	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3652	break;
		3653	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3654	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3655	function read_canvas(){\
		3656	var reply = \"\";\
		3657	var p = 0;\
		3658	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3659	if(userdraw_x[p] != null){\
		3660	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3661	};\
		3662	};\
		3663	if(p == 0){alert(\"nothing drawn...\");return;};\
		3664	if( document.getElementById(\"canvas_input0\") ){\
		3665	var p = 0;var input_reply = new Array();\
		3666	if( document.getElementById(\"canvas_input0\")){\
		3667	var t = 0;\
		3668	while(document.getElementById(\"canvas_input\"+t)){\
		3669	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3670	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3671	p++;\
		3672	};\
		3673	t++;\
		3674	};\
		3675	};\
		3676	if( typeof userdraw_text != 'undefined' ){\
		3677	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3678	}\
		3679	else\
		3680	{\
		3681	return reply +\"\\n\"+input_reply;\
		3682	}\
		3683	}\
		3684	else\
		3685	{\
		3686	if( typeof userdraw_text != 'undefined' ){\
		3687	return reply +\"\\n\"+userdraw_text\
		3688	}\
		3689	else\
		3690	{\
		3691	return reply;\
		3692	}\
		3693	};\
		3694	};\
		3695	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3696	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3697	break;
		3698	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3699	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3700	function read_canvas(){\
		3701	var reply = new Array();\
		3702	var p = 0;var i = 0;\
		3703	while(userdraw_x[p]){\
		3704	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3705	p = p+2;i++;\
		3706	};\
		3707	if(p == 0){alert(\"nothing drawn...\");return;};\
		3708	if( document.getElementById(\"canvas_input0\") ){\
		3709	var p = 0;var input_reply = new Array();\
		3710	if( document.getElementById(\"canvas_input0\")){\
		3711	var t = 0;\
		3712	while(document.getElementById(\"canvas_input\"+t)){\
		3713	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3714	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3715	p++;\
		3716	};\
		3717	t++;\
		3718	};\
		3719	};\
		3720	if( typeof userdraw_text != 'undefined' ){\
		3721	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3722	}\
		3723	else\
		3724	{\
		3725	return reply +\"\\n\"+input_reply;\
		3726	}\
		3727	}\
		3728	else\
		3729	{\
		3730	if( typeof userdraw_text != 'undefined' ){\
		3731	return reply +\"\\n\"+userdraw_text\
		3732	}\
		3733	else\
		3734	{\
		3735	return reply;\
		3736	}\
		3737	};\
		3738	};\
		3739	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3740	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3741	break;
		3742	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3743	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3744	function read_canvas(){\
		3745	var reply = new Array();\
		3746	var p = 0;var i = 0;\
		3747	while(userdraw_x[p]){\
		3748	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3749	p = p+2;i++;\
		3750	};\
		3751	if(p == 0){alert(\"nothing drawn...\");return;};\
		3752	if( document.getElementById(\"canvas_input0\") ){\
		3753	var p = 0;var input_reply = new Array();\
		3754	if( document.getElementById(\"canvas_input0\")){\
		3755	var t = 0;\
		3756	while(document.getElementById(\"canvas_input\"+t)){\
		3757	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3758	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3759	p++;\
		3760	};\
		3761	t++;\
		3762	};\
		3763	};\
		3764	if( typeof userdraw_text != 'undefined' ){\
		3765	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3766	}\
		3767	else\
		3768	{\
		3769	return reply +\"\\n\"+input_reply;\
		3770	}\
		3771	}\
		3772	else\
		3773	{\
		3774	if( typeof userdraw_text != 'undefined' ){\
		3775	return reply +\"\\n\"+userdraw_text;\
		3776	}\
		3777	else\
		3778	{\
		3779	return reply;\
		3780	}\
		3781	};\
		3782	};\
		3783	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3784	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3785	break;
		3786	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3787	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3788	function read_canvas(){\
		3789	var input_reply = new Array();\
		3790	var p = 0;\
		3791	if( document.getElementById(\"canvas_input0\")){\
		3792	var t = 0;\
		3793	while(document.getElementById(\"canvas_input\"+t)){\
		3794	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3795	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3796	p++;\
		3797	};\
		3798	t++;\
		3799	};\
		3800	};\
		3801	if( typeof userdraw_text != 'undefined' ){\
		3802	return input_reply +\"\\n\"+userdraw_text;\
		3803	}\
		3804	else\
		3805	{\
		3806	return input_reply;\
		3807	};\
		3808	};\
		3809	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3810	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3811	break;
		3812	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3813	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3814	function read_mathml(){\
		3815	var reply = new Array();\
		3816	var p = 0;\
		3817	if( document.getElementById(\"mathml0\")){\
		3818	while(document.getElementById(\"mathml\"+p)){\
		3819	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3820	p++;\
		3821	};\
		3822	};\
		3823	return reply;\
		3824	};\
		3825	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3826	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3827	break;
		3828	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3829	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3830	function read_canvas(){\
		3831	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3832	return userdraw_text;\
		3833	};\
		3834	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3835	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3836	break;
		3837	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3838	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3839	function read_canvas(){\
		3840	var p = 0;\
		3841	var reply = new Array();\
		3842	var name;\
		3843	var t = true;\
		3844	while(t){\
		3845	try{ name = eval('clocks'+p);\
		3846	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;};\
		3847	};\
		3848	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3849	return reply;\
		3850	};\
		3851	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3852	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3853	break;
		3854	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3855	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3856	function read_canvas(){\
		3857	return reply[0];\
		3858	};\
		3859	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3860	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3861	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3862	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3863	function read_canvas(){\
		3864	var len = ext_drag_images.length;\
		3865	var reply = new Array(len);\
		3866	for(var p = 0 ; p < len ; p++){\
		3867	var img = ext_drag_images[p];\
		3868	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3869	};\
		3870	return reply;\
		3871	};\
		3872	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3873	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3874	break;
		3875	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3876	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3877	function read_canvas(){\
		3878	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3879	var reply_coord = new Array();var p = 0;\
		3880	while(userdraw_x[p]){\
		3881	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3882	p++;\
		3883	};\
		3884	if(p == 0){alert(\"nothing drawn...\");return;};\
		3885	if( document.getElementById(\"canvas_input0\") ){\
		3886	var p = 0;var input_reply = new Array();\
		3887	if( document.getElementById(\"canvas_input0\")){\
		3888	var t = 0;\
		3889	while(document.getElementById(\"canvas_input\"+t)){\
		3890	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3891	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3892	p++;\
		3893	};\
		3894	t++;\
		3895	};\
		3896	};\
		3897	if( typeof userdraw_text != 'undefined' ){\
		3898	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3899	}\
		3900	else\
		3901	{\
		3902	return reply_coord+\"\\n\"+input_reply;\
		3903	}\
		3904	}\
		3905	else\
		3906	{\
		3907	if( typeof userdraw_text != 'undefined' ){\
		3908	return reply_coord+\"\\n\"+userdraw_text;\
		3909	}\
		3910	else\
		3911	{\
		3912	return reply_coord;\
		3913	};\
		3914	};\
		3915	};\
		3916	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3917	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3918	break;
		3919	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3920	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3921	function read_canvas(){\
		3922	var reply = new Array();\
		3923	var p = 0;\
		3924	var idx = 0;\
		3925	while(userdraw_x[p]){\
		3926	reply[idx] = px2x(userdraw_x[p]);\
		3927	idx++;\
		3928	reply[idx] = px2y(userdraw_y[p]);\
		3929	idx++;p++;\
		3930	};\
		3931	if(p == 0){alert(\"nothing drawn...\");return;};\
		3932	if( document.getElementById(\"canvas_input0\") ){\
		3933	var p = 0;var input_reply = new Array();\
		3934	if( document.getElementById(\"canvas_input0\")){\
		3935	var t = 0;\
		3936	while(document.getElementById(\"canvas_input\"+t)){\
		3937	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3938	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3939	p++;\
		3940	};\
		3941	t++;\
		3942	};\
		3943	};\
		3944	if( typeof userdraw_text != 'undefined' ){\
		3945	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3946	}\
		3947	else\
		3948	{\
		3949	return reply +\"\\n\"+input_reply;\
		3950	}\
		3951	}\
		3952	else\
		3953	{\
		3954	if( typeof userdraw_text != 'undefined' ){\
		3955	return reply +\"\\n\"+userdraw_text;\
		3956	}\
		3957	else\
		3958	{\
		3959	return reply;\
		3960	}\
		3961	};\
		3962	};\
		3963	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3964	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3965	break;
7782	schaersvoo	3966	case 23: fprintf(js_include_file,"\
		3967	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3968	function read_canvas(){\
		3969	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3970	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3971	var lu = userdraw_x.length;\
		3972	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3973	var marge = 5;\
		3974	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3975	for(var i = 0; i < lu - 1 ; i++ ){\
		3976	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3977	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3978	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3979	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3980	p++;\
		3981	};\
		3982	};\
		3983	};\
		3984	if( document.getElementById(\"canvas_input0\")){\
		3985	var p = 0;var input_reply = new Array();\
		3986	if( document.getElementById(\"canvas_input0\")){\
		3987	var t = 0;\
		3988	while(document.getElementById(\"canvas_input\"+t)){\
		3989	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3990	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3991	p++;\
		3992	};\
		3993	t++;\
		3994	};\
		3995	};\
		3996	if( typeof userdraw_text != 'undefined' ){\
		3997	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3998	}\
		3999	else\
		4000	{\
		4001	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4002	}\
		4003	}\
		4004	else\
		4005	{\
		4006	if( typeof userdraw_text != 'undefined' ){\
		4007	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4008	}\
		4009	else\
		4010	{\
		4011	return reply_x+\"\\n\"+reply_y;\
		4012	};\
		4013	};\
		4014	};\
		4015	this.read_canvas = read_canvas;\n\
		4016	<!-- end function 23 read_canvas() -->");
		4017	break;
7614	schaersvoo	4018
		4019	default: canvas_error("hmmm unknown replyformat...");break;
		4020	}
		4021	return;
		4022	}
		4023
		4024
7842	bpr	4025	/*
		4026	add drawfunction :
7614	schaersvoo	4027	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4028	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4029	- grid / mathml
		4030	- will not scale or zoom in
		4031	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
7842	bpr	4032	- is printed directly into 'js_include_file'
7614	schaersvoo	4033	*/
		4034
		4035	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4036	int i;
		4037	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4038	if( js_functions[i] == 1){
		4039	switch(i){
		4040	case DRAG_EXTERNAL_IMAGE:
		4041	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4042	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4043	var external_ctx = external_canvas.getContext(\"2d\");\
		4044	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4045	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4046	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4047	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4048	var selected_image = null;\
		4049	var ext_image_cnt = 0;\
		4050	var ext_drag_images = new Array();\
		4051	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4052	ext_image_cnt = idx;\
		4053	var image = new Image();\
		4054	image.src = URL;\
		4055	image.onload = function(){\
		4056	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4057	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4058	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4059	img = new Array(10);\
		4060	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4061	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4062	ext_drag_images[idx] = img;\
		4063	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4064	};\
		4065	};\
		4066	function dragstop(evt){\
		4067	selected_image = null;return;\
		4068	};\
		4069	function dragxy(evt){\
		4070	if( selected_image != null ){\
		4071	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4072	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4073	var s_img = ext_drag_images[selected_image];\
		4074	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4075	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4076	ext_drag_images[selected_image] = s_img;\
		4077	external_ctx.clearRect(0,0,xsize,ysize);\
		4078	for(var i = 0; i <= ext_image_cnt ; i++){\
		4079	var img = ext_drag_images[i];\
		4080	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4081	};\
		4082	};\
		4083	};\
		4084	function setxy(evt){\
		4085	if( ! selected_image && evt.which == 1 ){\
		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 xm = evt.clientX - external_canvas_rect.left + xoff;\
		4089	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4090	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4091	var img = ext_drag_images[p];\
		4092	if( img[0] == 1 ){\
		4093	var w = img.width;\
		4094	var h = img.height;\
		4095	if( xm > img[6] && xm < img[6] + img[4]){\
		4096	if( ym > img[7] && ym < img[7] + img[5]){\
		4097	img[6] = xm;\
		4098	img[7] = ym;\
		4099	ext_drag_images[p] = img;\
		4100	selected_image = p;\
		4101	dragxy(evt);\
		4102	};\
		4103	};\
		4104	};\
		4105	};\
		4106	}\
		4107	else\
		4108	{\
		4109	selected_image = null;\
		4110	};\
7614	schaersvoo	4111	};",canvas_root_id);
		4112	break;
		4113
		4114	case DRAW_EXTERNAL_IMAGE:
		4115	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4116	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4117	var image = new Image();\
		4118	image.src = URL;\
		4119	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4120	image.onload = function(){\
		4121	if( x0 < 1 ){ x0 = 0; };\
		4122	if( y0 < 1 ){ y0 = 0; };\
		4123	if( sx < 1 ){ sx = 0; };\
		4124	if( sy < 1 ){ sy = 0; };\
		4125	if( width < 1 ){ width = image.width;};\
		4126	if( height < 1 ){ height = image.height;};\
		4127	if( swidth < 1 ){ swidth = image.width;};\
		4128	if( sheight < 1 ){ sheight = image.height;};\
		4129	var ml = x0 - sx;\
		4130	var mh = y0 - sy;\
		4131	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4132	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4133	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4134	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4135	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4136	};\
7842	bpr	4137	};",canvas_root_id);
7614	schaersvoo	4138	break;
7842	bpr	4139
7614	schaersvoo	4140	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4141	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4142	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4143	var obj;\
		4144	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4145	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4146	}\
		4147	else\
		4148	{\
		4149	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4150	};\
		4151	var ctx = obj.getContext(\"2d\");\
		4152	ctx.font =\"18px Ariel\";\
		4153	ctx.textAlign = \"right\";\
		4154	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4155	ctx.fillText(\"+\",xsize,ysize);\
		4156	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4157	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4158	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4159	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4160	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4161	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4162	ctx.stroke();\
7653	schaersvoo	4163	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	4164
7614	schaersvoo	4165	break;
		4166	case DRAW_GRIDFILL:/* not used for userdraw */
		4167	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4168	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4169	var obj;\
		4170	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4171	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4172	}\
		4173	else\
		4174	{\
		4175	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4176	};\
		4177	var ctx = obj.getContext(\"2d\");\
		4178	var x,y;\
		4179	ctx.save();\
		4180	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4181	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4182	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4183	ctx.moveTo(x,y0);\
		4184	ctx.lineTo(x,ysize);\
		4185	};\
7645	schaersvoo	4186	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4187	ctx.moveTo(x0,y);\
		4188	ctx.lineTo(xsize,y);\
		4189	};\
		4190	ctx.stroke();\
		4191	ctx.restore();\
7653	schaersvoo	4192	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4193	break;
7842	bpr	4194
7614	schaersvoo	4195	case DRAW_IMAGEFILL:/* not used for userdraw */
		4196	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4197	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4198	var obj;\
		4199	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4200	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4201	}\
		4202	else\
		4203	{\
		4204	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4205	};\
		4206	var ctx = obj.getContext(\"2d\");\
		4207	ctx.save();\
		4208	var img = new Image();\
		4209	img.src = URL;\
		4210	img.onload = function(){\
		4211	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4212	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4213	}\
		4214	else\
		4215	{\
		4216	var repeat = \"repeat\";\
		4217	if(img.width > xsize - x0){\
		4218	repeat = \"repeat-y\";\
		4219	}\
		4220	else\
		4221	{\
		4222	if( img.height > ysize -x0 ){\
		4223	repeat = \"repeat-x\";\
		4224	}\
		4225	}\
		4226	var pattern = ctx.createPattern(img,repeat);\
		4227	ctx.rect(x0,y0,xsize,ysize);\
		4228	ctx.fillStyle = pattern;\
		4229	}\
		4230	ctx.fill();\
		4231	};\
		4232	ctx.restore();\
		4233	return;\
7653	schaersvoo	4234	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4235	break;
7842	bpr	4236
7614	schaersvoo	4237	case DRAW_DOTFILL:/* not used for userdraw */
		4238	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4239	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4240	var obj;\
		4241	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4242	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4243	}\
		4244	else\
		4245	{\
		4246	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4247	};\
		4248	var ctx = obj.getContext(\"2d\");\
		4249	var x,y;\
		4250	ctx.closePath();\
		4251	ctx.save();\
7645	schaersvoo	4252	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4253	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4254	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4255	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4256	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4257	ctx.closePath();\
		4258	}\
		4259	}\
		4260	ctx.fill();\
		4261	ctx.restore();\
7653	schaersvoo	4262	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4263	break;
7645	schaersvoo	4264
7647	schaersvoo	4265	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4266	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4267	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4268	var obj;\
		4269	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4270	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4271	}\
		4272	else\
		4273	{\
		4274	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4275	};\
		4276	var ctx = obj.getContext(\"2d\");\
		4277	var x;\
		4278	var y;\
		4279	ctx.save();\
		4280	ctx.lineWidth = linewidth;\
		4281	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4282	y = ysize;\
		4283	for( x = x0 ; x < xsize ; x = x + dx ){\
		4284	ctx.moveTo(x,y0);\
		4285	ctx.lineTo(xsize,y);\
		4286	y = y - dy;\
		4287	};\
		4288	y = y0;\
		4289	for( x = xsize ; x > 0 ; x = x - dx){\
		4290	ctx.moveTo(x,ysize);\
		4291	ctx.lineTo(x0,y);\
		4292	y = y + dy;\
		4293	};\
		4294	x = x0;\
		4295	for( y = y0 ; y < ysize ; y = y + dy ){\
		4296	ctx.moveTo(xsize,y);\
		4297	ctx.lineTo(x,ysize);\
		4298	x = x + dx;\
		4299	};\
		4300	x = xsize;\
		4301	for( y = ysize ; y > y0 ; y = y - dy ){\
		4302	ctx.moveTo(x,y0);\
		4303	ctx.lineTo(x0,y);\
		4304	x = x - dx;\
		4305	};\
		4306	ctx.stroke();\
		4307	ctx.restore();\
		4308	return;\
7653	schaersvoo	4309	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4310	break;
7842	bpr	4311
7647	schaersvoo	4312	case DRAW_HATCHFILL:/* not used for userdraw */
		4313	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4314	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4315	var obj;\
		4316	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4317	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4318	}\
		4319	else\
		4320	{\
		4321	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4322	};\
		4323	var ctx = obj.getContext(\"2d\");\
		4324	var x;\
		4325	var y;\
		4326	ctx.save();\
		4327	ctx.lineWidth = linewidth;\
		4328	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4329	y = ysize;\
		4330	for( x = x0 ; x < xsize ; x = x + dx ){\
		4331	ctx.moveTo(x,y0);\
		4332	ctx.lineTo(xsize,y);\
		4333	y = y - dy;\
		4334	};\
		4335	y = y0;\
		4336	for( x = xsize ; x >= dx ; x = x - dx){\
		4337	ctx.moveTo(x,ysize);\
		4338	ctx.lineTo(x0,y);\
		4339	y = y + dy;\
		4340	};\
		4341	ctx.stroke();\
		4342	ctx.restore();\
		4343	return;\
7653	schaersvoo	4344	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4345	break;
7614	schaersvoo	4346	case DRAW_CIRCLES:/* used for userdraw */
		4347	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4348	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){\
		4349	ctx.save();\
		4350	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4351	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4352	ctx.lineWidth = line_width;\
		4353	for(var p = 0 ; p < x_points.length ; p++ ){\
		4354	ctx.beginPath();\
		4355	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4356	ctx.closePath();\
		4357	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4358	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4359	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4360	ctx.stroke();\
		4361	}\
		4362	ctx.restore();\
		4363	return;\
7653	schaersvoo	4364	};");
7614	schaersvoo	4365	break;
7663	schaersvoo	4366	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4367	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4368	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4369	ctx.save();\
		4370	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4371	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4372	ctx.lineWidth = line_width;\
		4373	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4374	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4375	ctx.clearRect(0,0,xsize,ysize);\
		4376	ctx.beginPath();\
		4377	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4378	ctx.moveTo(x_points[p],y_points[p]);\
		4379	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4380	}\
		4381	ctx.closePath();\
		4382	ctx.stroke();\
		4383	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4384	for(var p = 0 ; p < x_points.length ; p++ ){\
		4385	ctx.beginPath();\
		4386	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4387	ctx.closePath();ctx.fill();ctx.stroke();\
		4388	};\
		4389	ctx.restore();\
		4390	return;\
		4391	};");
		4392	break;
7842	bpr	4393
7614	schaersvoo	4394	case DRAW_SEGMENTS:/* used for userdraw */
		4395	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4396	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4397	ctx.save();\
		4398	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4399	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4400	ctx.lineWidth = line_width;\
		4401	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4402	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4403	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4404	ctx.beginPath();\
		4405	ctx.moveTo(x_points[p],y_points[p]);\
		4406	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4407	ctx.closePath();\
		4408	ctx.stroke();\
		4409	}\
		4410	ctx.restore();\
		4411	return;\
		4412	};");
		4413	break;
7842	bpr	4414
7614	schaersvoo	4415	case DRAW_LINES:/* used for userdraw */
		4416	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4417	function calc_line(x1,x2,y1,y2){\
		4418	var marge = 2;\
		4419	if(x1 < x2+marge && x1>x2-marge){\
		4420	return [x1,0,x1,ysize];\
		4421	};\
		4422	if(y1 < y2+marge && y1>y2-marge){\
		4423	return [0,y1,xsize,y1];\
		4424	};\
		4425	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4426	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4427	return [0,Y1,xsize,Y2];\
		4428	};\
		4429	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4430	ctx.save();\
		4431	var line = new Array(4);\
		4432	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4433	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4434	ctx.lineWidth = line_width;\
		4435	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4436	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4437	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4438	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4439	ctx.beginPath();\
		4440	ctx.moveTo(line[0],line[1]);\
		4441	ctx.lineTo(line[2],line[3]);\
		4442	ctx.closePath();\
		4443	ctx.stroke();\
		4444	}\
		4445	ctx.restore();\
		4446	return;\
		4447	};");
		4448	break;
		4449
		4450	case DRAW_CROSSHAIRS:/* used for userdraw */
		4451	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4452	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4453	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4454	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4455	ctx.lineWidth = line_width;\
		4456	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4457	var x1,x2,y1,y2;\
		4458	for(var p = 0 ; p < x_points.length ; p++ ){\
		4459	x1 = x_points[p] - crosshair_size;\
		4460	x2 = x_points[p] + crosshair_size;\
		4461	y1 = y_points[p] - crosshair_size;\
		4462	y2 = y_points[p] + crosshair_size;\
		4463	ctx.beginPath();\
		4464	ctx.moveTo(x1,y1);\
		4465	ctx.lineTo(x2,y2);\
		4466	ctx.closePath();\
		4467	ctx.stroke();\
		4468	ctx.beginPath();\
		4469	ctx.moveTo(x2,y1);\
		4470	ctx.lineTo(x1,y2);\
		4471	ctx.closePath();\
		4472	ctx.stroke();\
		4473	}\
		4474	ctx.restore();\
		4475	return;\
7653	schaersvoo	4476	};");
7614	schaersvoo	4477	break;
		4478
		4479	case DRAW_RECTS:/* used for userdraw */
		4480	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4481	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){\
		4482	ctx.save();\
		4483	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4484	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4485	ctx.lineWidth = line_width;\
		4486	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4487	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4488	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4489	ctx.beginPath();\
		4490	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4491	ctx.closePath();\
		4492	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4493	ctx.stroke();\
		4494	};\
		4495	ctx.restore();\
		4496	return;\
7653	schaersvoo	4497	};");
7614	schaersvoo	4498	break;
		4499
		4500	case DRAW_ROUNDRECTS:/* used for userdraw */
		4501	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4502	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){\
		4503	ctx.save();\
		4504	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4505	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4506	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4507	var x,y,w,h,r;\
		4508	for(var p = 0; p < x_points.length; p = p+2){\
		4509	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);\
		4510	ctx.beginPath();ctx.moveTo(x + r, y);\
		4511	ctx.lineTo(x + w - r, y);\
		4512	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4513	ctx.lineTo(x + w, y + h - r);\
		4514	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4515	ctx.lineTo(x + r, y + h);\
		4516	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4517	ctx.lineTo(x, y + r);\
		4518	ctx.quadraticCurveTo(x, y, x + r, y);\
		4519	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4520	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4521	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4522	ctx.stroke();\
		4523	}\
		4524	ctx.restore();\
7653	schaersvoo	4525	};");
7842	bpr	4526	break;
7614	schaersvoo	4527
		4528	case DRAW_ELLIPSES:/* not used for userdraw */
		4529	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4530	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){\
		4531	var obj;\
		4532	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4533	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4534	}\
		4535	else\
		4536	{\
		4537	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4538	};\
		4539	var ctx = obj.getContext(\"2d\");\
		4540	ctx.save();\
		4541	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4542	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4543	var cx,cy,ry,rx;\
		4544	ctx.lineWidth = line_width;\
		4545	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4546	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4547	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4548	for(var p=0;p< x_points.length;p = p+2){\
		4549	ctx.beginPath();\
		4550	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4551	ctx.translate(cx - rx, cy - ry);\
		4552	ctx.scale(rx, ry);\
		4553	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4554	if( use_filled == 1 ){ctx.fill();}\
		4555	ctx.stroke();\
		4556	};\
		4557	ctx.restore();\
7653	schaersvoo	4558	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4559	break;
		4560
		4561	case DRAW_PATHS: /* used for userdraw */
		4562	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4563	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){\
		4564	ctx.save();\
		4565	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4566	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4567	ctx.lineWidth = line_width;\
		4568	ctx.lineJoin = \"round\";\
		4569	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4570	ctx.beginPath();\
		4571	ctx.moveTo(x_points[0],y_points[0]);\
		4572	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4573	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4574	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4575	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4576	ctx.stroke();\
		4577	ctx.restore();\
		4578	return;\
		4579	};");
7842	bpr	4580
7614	schaersvoo	4581	break;
		4582	case DRAW_ARROWS:/* used for userdraw */
		4583	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4584	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){\
		4585	ctx.save();\
		4586	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4587	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4588	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4589	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4590	ctx.lineWidth = line_width;\
		4591	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4592	ctx.lineCap = \"round\";\
		4593	ctx.save();\
		4594	var x1,y1,x2,y2,dx,dy,len;\
		4595	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4596	ctx.restore();ctx.save();\
		4597	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4598	len = Math.sqrt(dxdx+dydy);\
		4599	ctx.translate(x2,y2);\
		4600	ctx.rotate(Math.atan2(dy,dx));\
		4601	ctx.lineCap = \"round\";\
		4602	ctx.beginPath();\
		4603	ctx.moveTo(0,0);\
		4604	ctx.lineTo(-len,0);\
		4605	ctx.closePath();\
		4606	ctx.stroke();\
		4607	ctx.beginPath();\
		4608	ctx.moveTo(0,0);\
		4609	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4610	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4611	ctx.closePath();\
		4612	ctx.fill();\
		4613	if( type == 2 ){\
		4614	ctx.restore();\
		4615	ctx.save();\
		4616	ctx.translate(x1,y1);\
		4617	ctx.rotate(Math.atan2(-dy,-dx));\
		4618	ctx.beginPath();\
		4619	ctx.moveTo(0,0);\
		4620	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4621	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4622	ctx.closePath();\
		4623	ctx.stroke();\
		4624	ctx.fill();\
		4625	}\
		4626	}\
		4627	ctx.restore();\
		4628	return;\
7653	schaersvoo	4629	};");
7614	schaersvoo	4630	break;
		4631
		4632	case DRAW_VIDEO:/* not used for userdraw */
		4633	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4634	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4635	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4636	var video_div = document.createElement(\"div\");\
		4637	canvas_div.appendChild(video_div);\
		4638	video_div.style.position = \"absolute\";\
		4639	video_div.style.left = x+\"px\";\
		4640	video_div.style.top = y+\"px\";\
		4641	video_div.style.width = w+\"px\";\
		4642	video_div.style.height = h+\"px\";\
		4643	var video = document.createElement(\"video\");\
		4644	video_div.appendChild(video);\
		4645	video.style.width = w+\"px\";\
		4646	video.style.height = h+\"px\";\
		4647	video.autobuffer = true;\
		4648	video.controls = true;video.autoplay = false;\
		4649	var src = document.createElement(\"source\");\
		4650	src.type = \"video/mp4\";\
		4651	src.src = URL;\
		4652	video.appendChild(src);\
		4653	video.load();\
		4654	return;\
7842	bpr	4655	};");
7614	schaersvoo	4656	break;
7842	bpr	4657
7614	schaersvoo	4658	case DRAW_AUDIO:/* not used for userdraw */
		4659	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4660	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4661	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4662	var audio_div = document.createElement(\"div\");\
		4663	canvas_div.appendChild(audio_div);\
		4664	audio_div.style.position = \"absolute\";\
		4665	audio_div.style.left = x+\"px\";\
		4666	audio_div.style.top = y+\"px\";\
		4667	audio_div.style.width = w+\"px\";\
		4668	audio_div.style.height = h+\"px\";\
		4669	var audio = document.createElement(\"audio\");\
		4670	audio_div.appendChild(audio);\
		4671	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4672	audio.autobuffer = true;\
		4673	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4674	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4675	var src1 = document.createElement(\"source\");\
		4676	src1.type = \"audio/ogg\";\
		4677	src1.src = URL1;\
		4678	audio.appendChild(src1);\
		4679	var src2 = document.createElement(\"source\");\
		4680	src2.type = \"audio/mpeg\";\
		4681	src2.src = URL2;\
		4682	audio.appendChild(src2);\
		4683	audio.load();\
		4684	return;\
7653	schaersvoo	4685	};");
7614	schaersvoo	4686	break;
7842	bpr	4687
7614	schaersvoo	4688	case DRAW_HTTP:/* not used for userdraw */
		4689	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4690	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4691	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4692	var http_div = document.createElement(\"div\");\
		4693	var iframe = document.createElement(\"iframe\");\
		4694	canvas_div.appendChild(http_div);\
		4695	http_div.appendChild(iframe);\
		4696	iframe.src = URL;\
		4697	iframe.setAttribute(\"width\",w);\
		4698	iframe.setAttribute(\"height\",h);\
		4699	return;\
7653	schaersvoo	4700	};");
7614	schaersvoo	4701	break;
7842	bpr	4702
7614	schaersvoo	4703	case DRAW_XML:
		4704	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4705	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4706	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4707	var xml_div = document.createElement(\"div\");\
		4708	canvas_div.appendChild(xml_div);\
		4709	xml_div.innerHTML = mathml;\
		4710	if(onclick != 0){\
		4711	xml_div.onclick = function(){\
		4712	reply[0] = onclick;\
		4713	alert(\"send \"+onclick+\" ?\");\
		4714	};\
		4715	};\
		4716	xml_div.style.position = \"absolute\";\
		4717	xml_div.style.left = x+\"px\";\
		4718	xml_div.style.top = y+\"px\";\
		4719	xml_div.style.width = w+\"px\";\
		4720	xml_div.style.height = h+\"px\";\
		4721	return;\
7653	schaersvoo	4722	};"
7614	schaersvoo	4723	);
		4724	break;
7654	schaersvoo	4725	case DRAW_SGRAPH:
7842	bpr	4726	/*
7654	schaersvoo	4727	xstart = given
		4728	ystart = given
		4729	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4730	*/
		4731	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4732	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4733	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);};\
		4734	var ctx = obj.getContext(\"2d\");\
		4735	ctx.font = fontfamily;\
		4736	var minor_opacity = 0.8*opacity;\
		4737	ctx.clearRect(0,0,xsize,ysize);\
		4738	var d_x = 1.8*font_size;\
		4739	var d_y = ctx.measureText(\"+ymax+\").width;\
		4740	var dx = xsize / (xmax - xmin);\
		4741	var dy = ysize / (ymax - ymin);\
		4742	var zero_x = d_y + dx;\
		4743	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4744	var snor_x;\
7654	schaersvoo	4745	if( xstart != xmin){\
7658	schaersvoo	4746	snor_x = 0.1*xsize;\
		4747	}\
		4748	else\
		4749	{\
		4750	snor_x = 0;\
		4751	xstart = xmin;\
		4752	};\
		4753	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4754	ctx.lineWidth = 2;\
		4755	ctx.beginPath();\
		4756	ctx.moveTo(xsize,zero_y);\
		4757	ctx.lineTo(zero_x,zero_y);\
		4758	ctx.lineTo(zero_x,0);\
		4759	ctx.stroke();\
		4760	ctx.closePath();\
		4761	ctx.beginPath();\
		4762	ctx.moveTo(zero_x,zero_y);\
		4763	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4764	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4765	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4766	ctx.lineTo(zero_x + snor_x,zero_y);\
		4767	ctx.stroke();\
		4768	ctx.closePath();\
		4769	ctx.beginPath();\
		4770	var num = xstart;\
7660	schaersvoo	4771	var flipflop = 1;\
7658	schaersvoo	4772	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4773	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4774	if( 0.5*ctx.measureText(num).width > step_x ){\
		4775	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4776	};\
		4777	if( flipflop == 1){\
7658	schaersvoo	4778	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4779	}\
		4780	else\
		4781	{\
		4782	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4783	}\
		4784	num = num + xmajor;\
		4785	};\
		4786	ctx.stroke();\
		4787	ctx.closePath();\
		4788	ctx.lineWidth = 1;\
		4789	ctx.beginPath();\
		4790	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4791	ctx.moveTo(x,zero_y);\
		4792	ctx.lineTo(x,0);\
		4793	};\
		4794	ctx.stroke();\
		4795	ctx.closePath();\
		4796	if( xminor > 1){\
		4797	ctx.lineWidth = 0.5;\
		4798	ctx.beginPath();\
		4799	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4800	var minor_step_x = step_x / xminor;\
		4801	var nx;\
		4802	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4803	num = 1;\
		4804	for(var p = 1 ; p < xminor ; p++){\
		4805	nx = x + num*minor_step_x;\
		4806	ctx.moveTo(nx,zero_y);\
		4807	ctx.lineTo(nx,0);\
		4808	num++;\
		4809	};\
		4810	};\
		4811	ctx.stroke();\
		4812	ctx.closePath();\
		4813	ctx.beginPath();\
		4814	ctx.lineWidth = 2;\
		4815	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4816	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4817	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4818	};\
		4819	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4820	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4821	};\
		4822	ctx.stroke();\
		4823	ctx.closePath();\
		4824	ctx.lineWidth = 0.5;\
		4825	};\
		4826	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4827	if( ystart != ymin){\
		4828	snor_y = 0.1*ysize;\
		4829	}\
		4830	else\
		4831	{\
		4832	snor_y = 0;\
		4833	ystart = ymin;\
		4834	};\
		4835	ctx.lineWidth = 2;\
		4836	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4837	ctx.beginPath();\
		4838	ctx.moveTo(zero_x,zero_y);\
		4839	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4840	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4841	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4842	ctx.lineTo(zero_x,zero_y - snor_y);\
		4843	ctx.stroke();\
		4844	ctx.closePath();\
		4845	ctx.beginPath();\
		4846	ctx.lineWidth = 1;\
		4847	num = ystart;\
		4848	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4849	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4850	ctx.moveTo(zero_x,y);\
		4851	ctx.lineTo(xsize,y);\
		4852	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4853	num = num + ymajor;\
		4854	};\
		4855	ctx.stroke();\
		4856	ctx.closePath();\
		4857	if( yminor > 1){\
		4858	ctx.lineWidth = 0.5;\
		4859	ctx.beginPath();\
		4860	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4861	var minor_step_y = step_y / yminor;\
		4862	var ny;\
		4863	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4864	num = 1;\
		4865	for(var p = 1 ;p < yminor;p++){\
		4866	ny = y + num*minor_step_y;\
		4867	ctx.moveTo(zero_x,ny);\
		4868	ctx.lineTo(xsize,ny);\
		4869	num++;\
		4870	};\
		4871	};\
		4872	ctx.stroke();\
		4873	ctx.closePath();\
		4874	ctx.lineWidth = 2;\
		4875	ctx.beginPath();\
		4876	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4877	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4878	ctx.moveTo(zero_x,y);\
		4879	ctx.lineTo(zero_x+12,y);\
		4880	};\
		4881	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4882	ctx.moveTo(zero_x,y);\
		4883	ctx.lineTo(zero_x+6,y);\
		4884	};\
		4885	ctx.stroke();\
		4886	ctx.closePath();\
		4887	};\
		4888	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4889	if( typeof legend%d !== 'undefined' ){\
		4890	ctx.globalAlpha = 1.0;\
		4891	var y_offset = 2*font_size;\
		4892	var txt;var txt_size;\
		4893	var x_offset = xsize - 2*font_size;\
		4894	var l_length = legend%d.length;var barcolor = new Array();\
		4895	if( typeof legendcolors%d !== 'undefined' ){\
		4896	for(var p = 0 ; p < l_length ; p++){\
		4897	barcolor[p] = legendcolors%d[p];\
		4898	};\
		4899	}else{\
		4900	if( barcolor.length == 0 ){\
		4901	for(var p = 0 ; p < l_length ; p++){\
		4902	barcolor[p] = stroke_color;\
		4903	};\
		4904	};\
		4905	};\
		4906	for(var p = 0; p < l_length; p++){\
		4907	ctx.fillStyle = barcolor[p];\
		4908	txt = legend%d[p];\
		4909	txt_size = ctx.measureText(txt).width;\
		4910	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4911	y_offset = parseInt(y_offset + 1.5*font_size);\
		4912	};\
		4913	};\
7660	schaersvoo	4914	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4915	ctx.fillStyle = \'#000000\';\
		4916	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4917	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4918	};\
7660	schaersvoo	4919	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4920	ctx.save();\
		4921	ctx.fillStyle = \'#000000\';\
		4922	var txt_size = ctx.measureText(yaxislabel).width;\
		4923	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4924	ctx.rotate(-0.5*Math.PI);\
		4925	ctx.fillText(yaxislabel,0,0);\
		4926	ctx.save();\
		4927	};\
7654	schaersvoo	4928	};\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);
		4929	break;
7614	schaersvoo	4930
		4931	case DRAW_GRID:/* not used for userdraw */
		4932	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4933	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){\
		4934	var obj;\
		4935	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4936	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4937	}\
		4938	else\
		4939	{\
		4940	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4941	};\
		4942	var ctx = obj.getContext(\"2d\");\
		4943	ctx.clearRect(0,0,xsize,ysize);\
		4944	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4945	ctx.save();\
		4946	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4947	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4948	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4949	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4950	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4951	ctx.font = font_family;\
		4952	var xstep = xsize*xmajor/(xmax - xmin);\
		4953	var ystep = ysize*ymajor/(ymax - ymin);\
		4954	var x2step = xstep / xminor;\
		4955	var y2step = ystep / yminor;\
7654	schaersvoo	4956	var zero_x;var zero_y;var f_x;var f_y;\
		4957	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4958	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4959	ctx.beginPath();\
		4960	ctx.lineWidth = line_width;\
		4961	ctx.strokeStyle = stroke_color;\
		4962	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4963	ctx.moveTo(p,0);\
		4964	ctx.lineTo(p,ysize);\
		4965	};\
		4966	for(var p = zero_x ; p > 0; p = p - xstep){\
		4967	ctx.moveTo(p,0);\
		4968	ctx.lineTo(p,ysize);\
		4969	};\
		4970	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4971	ctx.moveTo(0,p);\
		4972	ctx.lineTo(xsize,p);\
		4973	};\
		4974	for(var p = zero_y ; p > 0; p = p - ystep){\
		4975	ctx.moveTo(0,p);\
		4976	ctx.lineTo(xsize,p);\
		4977	};\
		4978	if( typeof xaxislabel !== 'undefined' ){\
		4979	ctx.save();\
		4980	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4981	var corr = ctx.measureText(xaxislabel).width;\
		4982	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		4983	ctx.restore();\
		4984	};\
		4985	if( typeof yaxislabel !== 'undefined' ){\
		4986	ctx.save();\
		4987	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4988	corr = ctx.measureText(yaxislabel).width;\
		4989	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		4990	ctx.rotate(-0.5*Math.PI);\
		4991	ctx.fillText(yaxislabel,0,0);\
		4992	ctx.restore();\
		4993	};\
		4994	ctx.stroke();\
		4995	ctx.closePath();\
		4996	if( use_axis == 1 ){\
		4997	ctx.beginPath();\
		4998	ctx.strokeStyle = stroke_color;\
		4999	ctx.lineWidth = 0.6*line_width;\
		5000	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5001	ctx.moveTo(p,0);\
		5002	ctx.lineTo(p,ysize);\
		5003	};\
		5004	for(var p = zero_x ; p > 0; p = p - x2step){\
		5005	ctx.moveTo(p,0);\
		5006	ctx.lineTo(p,ysize);\
		5007	};\
		5008	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5009	ctx.moveTo(0,p);\
		5010	ctx.lineTo(xsize,p);\
		5011	};\
		5012	for(var p = zero_y ; p > 0; p = p - y2step){\
		5013	ctx.moveTo(0,p);\
		5014	ctx.lineTo(xsize,p);\
		5015	};\
		5016	ctx.stroke();\
		5017	ctx.closePath();\
		5018	ctx.beginPath();\
		5019	ctx.lineWidth = 2*line_width;\
		5020	ctx.strokeStyle = axis_color;\
		5021	ctx.moveTo(0,zero_y);\
		5022	ctx.lineTo(xsize,zero_y);\
		5023	ctx.moveTo(zero_x,0);\
		5024	ctx.lineTo(zero_x,ysize);\
		5025	ctx.stroke();\
		5026	ctx.closePath();\
		5027	ctx.lineWidth = line_width+0.5;\
		5028	ctx.beginPath();\
		5029	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5030	ctx.moveTo(p,zero_y-tics_length);\
		5031	ctx.lineTo(p,zero_y+tics_length);\
		5032	};\
		5033	for(var p = zero_x ; p > 0; p = p - xstep){\
		5034	ctx.moveTo(p,zero_y-tics_length);\
		5035	ctx.lineTo(p,zero_y+tics_length);\
		5036	};\
		5037	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5038	ctx.moveTo(zero_x-tics_length,p);\
		5039	ctx.lineTo(zero_x+tics_length,p);\
		5040	};\
		5041	for(var p = zero_y ; p > 0; p = p - ystep){\
		5042	ctx.moveTo(zero_x-tics_length,p);\
		5043	ctx.lineTo(zero_x+tics_length,p);\
		5044	};\
		5045	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5046	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5047	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5048	};\
		5049	for(var p = zero_x ; p > 0; p = p - x2step){\
		5050	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5051	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5052	};\
		5053	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5054	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5055	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5056	};\
		5057	for(var p = zero_y ; p > 0; p = p - y2step){\
		5058	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5059	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5060	};\
		5061	ctx.stroke();\
		5062	ctx.closePath();\
		5063	if( use_axis_numbering == 1 ){\
		5064	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5065	if( x_strings != null ){\
		5066	var f = 1.4;\
		5067	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5068	for(var p = 0 ; p < len ; p = p+2){\
		5069	var x_nums = x2px(eval(x_strings[p]));\
		5070	var x_text = x_strings[p+1];\
		5071	corr = ctx.measureText(x_text).width;\
		5072	skip = 1.2*corr/xstep;\
		5073	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5074	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5075	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5076	}\
		5077	}\
		5078	else\
		5079	{\
7654	schaersvoo	5080	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5081	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5082	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5083	if(skip == 0 ){\
		5084	disp_cnt = cnt.toFixed(prec);\
		5085	corr = ctx.measureText(disp_cnt).width;\
		5086	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5087	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5088	}\
		5089	else\
		5090	{\
		5091	skip--;\
		5092	};\
		5093	cnt = cnt + xmajor;\
		5094	};\
7654	schaersvoo	5095	cnt = px2x(zero_x);skip = 1;\
		5096	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5097	if(skip == 0 ){\
		5098	disp_cnt = cnt.toFixed(prec);\
		5099	corr = ctx.measureText(disp_cnt).width;\
		5100	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5101	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5102	}\
		5103	else\
		5104	{\
		5105	skip--;\
		5106	};\
		5107	cnt = cnt - xmajor;\
		5108	};\
		5109	};\
		5110	if( y_strings != null ){\
		5111	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5112	for(var p = 0 ; p < len ; p = p+2){\
		5113	var y_nums = y2px(eval(y_strings[p]));\
		5114	var y_text = y_strings[p+1];\
		5115	var f = 1.4;\
		5116	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5117	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5118	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5119	};\
		5120	}\
		5121	else\
		5122	{\
7654	schaersvoo	5123	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5124	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5125	if(skip == 0 ){\
		5126	skip = parseInt(1.4*font_size/ystep);\
		5127	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5128	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5129	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5130	}\
		5131	else\
		5132	{\
		5133	skip--;\
		5134	};\
		5135	cnt = cnt - ymajor;\
		5136	}\
7654	schaersvoo	5137	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5138	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5139	if(skip == 0 ){\
		5140	skip = parseInt(1.4*font_size/ystep);\
		5141	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5142	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5143	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5144	}\
		5145	else\
		5146	{\
		5147	skip--;\
		5148	};\
		5149	cnt = cnt + ymajor;\
		5150	}\
		5151	};\
		5152	};\
		5153	ctx.strokeStyle = stroke_color;\
		5154	ctx.lineWidth = 2;\
		5155	ctx.beginPath();\
		5156	ctx.rect(0,0,xsize,ysize);\
		5157	ctx.closePath();\
		5158	ctx.stroke();\
		5159	};\
		5160	if( typeof linegraph_0 !== 'undefined' ){\
		5161	ctx.restore();\
		5162	ctx.save();\
		5163	ctx.globalAlpha = 1.0;\
		5164	var i = 0;\
		5165	var line_name = eval('linegraph_'+i);\
		5166	while ( typeof line_name !== 'undefined' ){\
		5167	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5168	ctx.lineWidth = parseInt(line_name[1]);\
		5169	if(line_name[2] == \"1\"){\
		5170	var d1 = parseInt(line_name[3]);\
		5171	var d2 = parseInt(line_name[4]);\
		5172	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5173	}\
		5174	else\
		5175	{\
		5176	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5177	if(ctx.mozDash){ctx.mozDash = null;}\
		5178	};\
		5179	var data_x = new Array();\
		5180	var data_y = new Array();\
		5181	var lb = line_name.length;\
		5182	var idx = 0;\
		5183	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5184	data_x[idx] = x2px(line_name[p]);\
		5185	data_y[idx] = y2px(line_name[p+1]);\
		5186	idx++;\
		5187	};\
		5188	for( var p = 0; p < idx ; p++){\
		5189	ctx.beginPath();\
		5190	ctx.moveTo(data_x[p],data_y[p]);\
		5191	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5192	ctx.stroke();\
		5193	ctx.closePath();\
		5194	};\
		5195	i++;\
		5196	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5197	};\
		5198	};\
		5199	var barcolor = new Array();\
		5200	if( typeof barchart%d !== 'undefined' ){\
		5201	ctx.restore();\
		5202	ctx.save();\
		5203	ctx.globalAlpha = 1.0;\
		5204	var bar_x = new Array();\
		5205	var bar_y = new Array();\
		5206	var lb = barchart%d.length;\
		5207	var idx = 0;\
		5208	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5209	bar_x[idx] = x2px(barchart%d[p]);\
		5210	bar_y[idx] = y2px(barchart%d[p+1]);\
		5211	barcolor[idx] = barchart%d[p+2];\
		5212	idx++;\
		5213	};\
		5214	var dx = parseInt(0.6*xstep);\
		5215	ctx.globalAlpha = fill_opacity;\
		5216	for( var p = 0; p < idx ; p++ ){\
		5217	ctx.beginPath();\
		5218	ctx.strokeStyle = barcolor[p];\
		5219	ctx.fillStyle = barcolor[p];\
		5220	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5221	ctx.fill();\
		5222	ctx.stroke();\
		5223	ctx.closePath();\
		5224	};\
		5225	};\
		5226	if( typeof legend%d !== 'undefined' ){\
		5227	ctx.globalAlpha = 1.0;\
		5228	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5229	var y_offset = 2*font_size;\
		5230	var txt;var txt_size;\
		5231	var x_offset = xsize - 2*font_size;\
		5232	var l_length = legend%d.length;\
		5233	if( typeof legendcolors%d !== 'undefined' ){\
		5234	for(var p = 0 ; p < l_length ; p++){\
		5235	barcolor[p] = legendcolors%d[p];\
		5236	};\
		5237	}else{\
		5238	if( barcolor.length == 0 ){\
		5239	for(var p = 0 ; p < l_length ; p++){\
		5240	barcolor[p] = stroke_color;\
		5241	};\
		5242	};\
		5243	};\
		5244	for(var p = 0; p < l_length; p++){\
		5245	ctx.fillStyle = barcolor[p];\
		5246	txt = legend%d[p];\
		5247	txt_size = ctx.measureText(txt).width;\
		5248	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5249	y_offset = parseInt(y_offset + 1.5*font_size);\
		5250	};\
		5251	};\
		5252	ctx.restore();\
		5253	return;\
7653	schaersvoo	5254	};",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	5255	break;
7842	bpr	5256
7614	schaersvoo	5257	case DRAW_PIECHART:
		5258	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5259	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5260	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5261	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5262	}\
		5263	else\
		5264	{\
		5265	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5266	};\
		5267	var ld = data_color_list.length;\
		5268	var sum = 0;\
		5269	var idx = 0;\
		5270	var colors = new Array();\
		5271	var data = new Array();\
		5272	for(var p = 0;p < ld; p = p + 2){\
		5273	data[idx] = parseFloat(data_color_list[p]);\
		5274	sum = sum + data[idx];\
		5275	colors[idx] = data_color_list[p+1];\
		5276	idx++;\
		5277	};\
		5278	var ctx = obj.getContext(\"2d\");\
		5279	ctx.save();\
		5280	var angle;\
		5281	var angle_end = 0;\
		5282	var offset = Math.PI / 2;\
		5283	ctx.globalAlpha = fill_opacity;\
		5284	for(var p=0; p < idx; p++){\
		5285	ctx.beginPath();\
		5286	ctx.fillStyle = colors[p];\
		5287	ctx.moveTo(x_center,y_center);\
		5288	angle = Math.PI * (2 * data[p] / sum);\
		5289	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5290	ctx.lineTo(x_center, y_center);\
		5291	ctx.fill();\
		5292	ctx.closePath();\
		5293	angle_end = angle_end + angle;\
		5294	};\
		5295	if( typeof legend%d !== 'undefined' ){\
		5296	ctx.globalAlpha = 1.0;\
		5297	ctx.font = font_size+\"px \"+font_family;\
		5298	var y_offset = font_size; \
		5299	var x_offset = 0;\
		5300	var txt;var txt_size;\
		5301	for(var p = 0; p < idx; p++){\
		5302	ctx.fillStyle = colors[p];\
		5303	txt = legend%d[p];\
		5304	txt_size = ctx.measureText(txt).width;\
		5305	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5306	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5307	y_offset = parseInt(y_offset + 1.5*font_size);\
		5308	};\
		5309	};\
		5310	ctx.restore();\
7653	schaersvoo	5311	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5312
7614	schaersvoo	5313	break;
		5314	case DRAW_ARCS:
		5315	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5316	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){\
		5317	var obj;\
		5318	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5319	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5320	}\
		5321	else\
		5322	{\
		5323	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5324	};\
		5325	var ctx = obj.getContext(\"2d\");\
		5326	ctx.save();\
		5327	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5328	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5329	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5330	if(end < start){var tmp = end;end = start;start=tmp;};\
		5331	start=360-start;\
		5332	end=360-end;\
		5333	ctx.lineWidth = line_width;\
		5334	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5335	if( use_filled == 1 ){\
		5336	ctx.beginPath();\
		5337	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5338	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5339	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5340	var x2 = xc + rMath.cos(Math.PIend/180);\
		5341	var y2 = yc + rMath.sin(Math.PIend/180);\
		5342	ctx.beginPath();\
		5343	ctx.moveTo(x1,y1);\
		5344	ctx.lineTo(xc,yc);\
		5345	ctx.moveTo(xc,yc);\
		5346	ctx.lineTo(x2,y2);\
		5347	ctx.closePath();\
		5348	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5349	ctx.fill();\
		5350	ctx.stroke();\
		5351	}\
		5352	else\
		5353	{\
		5354	ctx.beginPath();\
		5355	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5356	ctx.stroke();\
		5357	ctx.closePath();\
		5358	}\
		5359	ctx.restore();\
7653	schaersvoo	5360	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5361
7614	schaersvoo	5362	break;
		5363	case DRAW_TEXTS:
		5364	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5365	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5366	var obj;\
		5367	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5368	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5369	}\
		5370	else\
		5371	{\
		5372	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5373	};\
		5374	var ctx = obj.getContext(\"2d\");\
		5375	if(angle2 == 0 && angle != 0){\
		5376	ctx.save();\
		5377	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5378	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5379	};\
		5380	if( font_family.indexOf('px') != null ){\
		5381	ctx.font = font_family;\
		5382	}\
		5383	else\
		5384	{\
		5385	ctx.font = \"+font_size+'px '+font_family \";\
		5386	};\
		5387	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5388	if(angle2 != 0){\
		5389	ctx.save();\
		5390	ctx.translate(x,y);\
		5391	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5392	ctx.fillText(text,0,0);\
		5393	ctx.restore();\
		5394	}else{ctx.fillText(text,x,y);};\
		5395	ctx.restore();\
		5396	return;\
7653	schaersvoo	5397	};",canvas_root_id,canvas_root_id,canvas_root_id);
7842	bpr	5398
7614	schaersvoo	5399	break;
		5400	case DRAW_CURVE:
		5401	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5402	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){\
		5403	var obj;\
		5404	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5405	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5406	}\
		5407	else\
		5408	{\
		5409	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5410	};\
		5411	var ctx = obj.getContext(\"2d\");\
		5412	ctx.save();\
		5413	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5414	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5415	ctx.beginPath();ctx.lineWidth = line_width;\
		5416	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5417	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5418	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5419	for(var p = 1 ; p < x_points.length ; p++){\
		5420	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5421	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5422	}\
		5423	else\
		5424	{\
		5425	ctx.stroke();\
		5426	ctx.beginPath();\
		5427	p++;\
		5428	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5429	};\
		5430	};\
		5431	ctx.stroke();\
		5432	ctx.restore();\
7653	schaersvoo	5433	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5434	break;
7842	bpr	5435
7614	schaersvoo	5436	case DRAW_INPUTS:
		5437	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5438	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5439	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5440	var input = document.createElement(\"input\");\
		5441	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5442	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5443	input.setAttribute(\"size\",size);\
		5444	input.setAttribute(\"value\",value);\
		5445	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5446	canvas_div.appendChild(input);};");
7614	schaersvoo	5447	break;
7842	bpr	5448
7614	schaersvoo	5449	case DRAW_TEXTAREAS:
		5450	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5451	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5452	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5453	var textarea = document.createElement(\"textarea\");\
		5454	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5455	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5456	textarea.setAttribute(\"cols\",cols);\
		5457	textarea.setAttribute(\"rows\",rows);\
		5458	textarea.innerHTML = value;\
7653	schaersvoo	5459	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5460	break;
7842	bpr	5461
7614	schaersvoo	5462	case DRAW_PIXELS:
		5463	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5464	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5465	var canvas = create_canvas%d(10,xsize,ysize);\
		5466	var d = 0.5*pixelsize;\
		5467	var ctx = canvas.getContext(\"2d\");\
		5468	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5469	ctx.clearRect(0,0,xsize,ysize);\
		5470	for(var p=0; p<x.length;p++){\
		5471	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5472	};\
		5473	ctx.fill();ctx.stroke();\
		5474	};",canvas_root_id);
		5475	break;
		5476
		5477	case DRAW_CLOCK:
		5478	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5479	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5480	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5481	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5482	clock_ctx.save();\
		5483	this.type = type \|\| 0;\
		5484	this.interaction = interaction \|\| 0;\
		5485	this.H = H \|\| parseInt(110*(Math.random()));\
		5486	this.M = M \|\| parseInt(590*(Math.random()));\
		5487	this.S = S \|\| parseInt(590*(Math.random()));\
		5488	this.xc = xc \|\| xsize/2;\
		5489	this.yc = yc \|\| ysize/2;\
		5490	this.radius = radius \|\| xsize/4;\
		5491	var font_size = parseInt(0.2*this.radius);\
		5492	this.H_color = h_color \|\| \"blue\";\
		5493	this.M_color = m_color \|\| \"blue\";\
		5494	this.S_color = s_color \|\| \"blue\";\
		5495	this.fg_color = fg_color \|\| \"red\";\
		5496	this.bg_color = bg_color \|\| \"white\";\
		5497	clock_ctx.translate(this.xc,this.yc);\
		5498	clock_ctx.beginPath();\
		5499	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5500	clock_ctx.fillStyle = this.bg_color;\
		5501	clock_ctx.fill();\
		5502	clock_ctx.closePath();\
		5503	clock_ctx.beginPath();\
		5504	clock_ctx.font = font_size+\"px Arial\";\
		5505	clock_ctx.fillStyle = this.fg_color;\
		5506	clock_ctx.textAlign = \"center\";\
		5507	clock_ctx.textBaseline = 'middle';\
		5508	var angle;var x1,y1,x2,y2;\
		5509	var angle_cos;var angle_sin;\
		5510	switch(type){\
		5511	case 0:clock_ctx.beginPath();\
		5512	for(var p = 1; p <= 12 ; p++){\
		5513	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5514	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5515	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5516	clock_ctx.moveTo(x1,y1);\
		5517	clock_ctx.lineTo(x2,y2);\
		5518	};\
		5519	for(var p = 1; p <= 60 ; p++){\
		5520	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5521	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5522	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5523	clock_ctx.moveTo(x1,y1);\
		5524	clock_ctx.lineTo(x2,y2);\
		5525	};\
		5526	clock_ctx.closePath();\
		5527	clock_ctx.stroke();\
		5528	break;\
		5529	case 1:\
		5530	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;\
		5531	case 2:for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 1.1this.radiusMath.cos(angle);y1 = 1.1this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
		5532	clock_ctx.beginPath();\
		5533	for(var p = 1; p <= 12 ; p++){\
		5534	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5535	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5536	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5537	clock_ctx.moveTo(x1,y1);\
		5538	clock_ctx.lineTo(x2,y2);\
		5539	};\
		5540	for(var p = 1; p <= 60 ; p++){\
		5541	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5542	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5543	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5544	clock_ctx.moveTo(x1,y1);\
		5545	clock_ctx.lineTo(x2,y2);\
		5546	};\
		5547	clock_ctx.closePath();\
		5548	clock_ctx.stroke();\
		5549	break;\
		5550	};\
		5551	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5552	clock_ctx.rotate(angle);\
		5553	clock_ctx.beginPath();\
		5554	clock_ctx.moveTo(-3, -2);\
		5555	clock_ctx.lineTo(-3, 2);\
		5556	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5557	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5558	clock_ctx.fillStyle = this.H_color;\
		5559	clock_ctx.fill();\
		5560	clock_ctx.rotate(-angle);\
		5561	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5562	clock_ctx.rotate(angle);\
		5563	clock_ctx.beginPath();\
		5564	clock_ctx.moveTo(-3, -2);\
		5565	clock_ctx.lineTo(-3, 2);\
		5566	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5567	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5568	clock_ctx.fillStyle = this.M_color;\
		5569	clock_ctx.fill();\
		5570	clock_ctx.rotate(-angle);\
		5571	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5572	clock_ctx.rotate(angle);\
		5573	clock_ctx.beginPath();\
		5574	clock_ctx.moveTo(0,0);\
		5575	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5576	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5577	clock_ctx.strokeStyle = this.S_color;\
		5578	clock_ctx.stroke();\
		5579	clock_ctx.restore();\
7653	schaersvoo	5580	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5581	break;
		5582
		5583	case DRAW_LATTICE:
		5584	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5585	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){\
		5586	var obj;\
		5587	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5588	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5589	}\
		5590	else\
		5591	{\
		5592	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5593	};\
		5594	var ctx = obj.getContext(\"2d\");\
		5595	ctx.save();\
		5596	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5597	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5598	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5599	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5600	var radius = line_width;\
		5601	var x = 0;\
		5602	var y = 0;\
		5603	var x_step_px = xsize/(xmax-xmin);\
		5604	var y_step_px = ysize/(ymax-ymin);\
		5605	var xv1 = dx1*x_step_px;\
		5606	var yv1 = dy1*y_step_px;\
		5607	var xv2 = dx2*x_step_px;\
		5608	var yv2 = dy2*y_step_px;\
		5609	for(var p = 0; p < n1 ;p++){\
		5610	x = p*xv1 + x0;\
		5611	y = p*yv1 + y0;\
		5612	for(var c = 0; c < n2 ; c++){\
		5613	ctx.beginPath();\
		5614	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5615	ctx.fill();\
		5616	ctx.stroke();\
		5617	ctx.closePath();\
		5618	};\
		5619	};\
		5620	ctx.restore();\
		5621	return;\
7653	schaersvoo	5622	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5623	break;
7735	schaersvoo	5624	case DRAW_XYLOGSCALE:
		5625	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5626	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	5627	var obj;\n\
		5628	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5629	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5630	}\n\
		5631	else\n\
		5632	{\n\
		5633	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5634	};\n\
		5635	var ctx = obj.getContext(\"2d\");\n\
		5636	ctx.clearRect(0,0,xsize,ysize);\
		5637	ctx.save();\n\
7739	schaersvoo	5638	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5639	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5640	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5641	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5642	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5643	if(use_axis_numbering == 1){\
		5644	ctx.font = font_family;\n\
		5645	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5646	ymarge = parseInt(1.5*font_size);\n\
		5647	ctx.save();\n\
		5648	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5649	ctx.rect(0,0,xmarge,ysize);\n\
		5650	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5651	ctx.fill();\n\
		5652	ctx.restore();\n\
		5653	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5654	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5655	ctx.save();\n\
		5656	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5657	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5658	corr = ctx.measureText(xaxislabel).width;\n\
		5659	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5660	ctx.restore();\n\
		5661	};\n\
7735	schaersvoo	5662	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5663	ctx.save();\n\
		5664	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5665	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5666	corr = ctx.measureText(yaxislabel).width;\n\
		5667	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5668	ctx.rotate(-0.5*Math.PI);\n\
		5669	ctx.fillText(yaxislabel,0,0);\n\
		5670	ctx.restore();\n\
		5671	};\n\
		5672	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5673	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5674	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5675	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5676	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5677	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5678	if( i == 1 ){\
7739	schaersvoo	5679	ctx.lineWidth = line_width;\n\n\
		5680	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5681	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5682	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5683	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5684	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5685	};\n\
7735	schaersvoo	5686	}else{\
7739	schaersvoo	5687	ctx.lineWidth = 0.2*line_width;\n\n\
		5688	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5689	};\n\
7738	schaersvoo	5690	if( x_e >= xmarge ){\
		5691	ctx.beginPath();\n\
		5692	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5693	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5694	ctx.stroke();\n\
		5695	ctx.closePath();\n\
		5696	};\
7735	schaersvoo	5697	};\n\
		5698	};\n\
		5699	for(var p = y_min; p <= y_max ; p++){\n\
		5700	num = Math.pow(ylogbase,p);\n\
		5701	for(var i = 1 ; i < ylogbase ; i++){\n\
		5702	y_e = y2px(i*num);\n\
7739	schaersvoo	5703	if( i == 1 ){\n\
7735	schaersvoo	5704	ctx.lineWidth = line_width;\n\
		5705	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5706	if( use_axis_numbering == 1 && p > y_min){\n\
		5707	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5708	};\n\
		5709	}else{\n\
7735	schaersvoo	5710	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5711	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5712	};\n\
7735	schaersvoo	5713	ctx.beginPath();\n\
7738	schaersvoo	5714	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5715	ctx.lineTo(xsize,y_e);\n\
		5716	ctx.stroke();\n\
		5717	ctx.closePath();\n\
		5718	};\n\
		5719	};\n\
		5720	ctx.restore();\
		5721	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5722	break;
7614	schaersvoo	5723
7735	schaersvoo	5724	case DRAW_XLOGSCALE:
		5725	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5726	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	5727	var obj;\n\
		5728	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5729	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5730	}\n\
		5731	else\n\
		5732	{\n\
		5733	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5734	};\n\
		5735	var ctx = obj.getContext(\"2d\");\n\
		5736	ctx.clearRect(0,0,xsize,ysize);\
		5737	ctx.save();\n\
		5738	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5739	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5740	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5741	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5742	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5743	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5744	if(use_axis_numbering == 1){\
		5745	ctx.font = font_family;\n\
		5746	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5747	ymarge = parseInt(1.5*font_size);\n\
		5748	ctx.save();\n\
		5749	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5750	ctx.rect(0,0,xmarge,ysize);\n\
		5751	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5752	ctx.fill();\n\
		5753	ctx.restore();\n\
		5754	}else{xmarge = 0;ymarge = 0;};\n\
		5755	if( typeof xaxislabel !== 'undefined' ){\
		5756	ctx.save();\n\
		5757	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5758	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5759	corr = ctx.measureText(xaxislabel).width;\n\
		5760	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5761	ctx.restore();\n\
		5762	};\n\
		5763	if( typeof yaxislabel !== 'undefined' ){\
		5764	ctx.save();\n\
		5765	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5766	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5767	corr = ctx.measureText(yaxislabel).width;\n\
		5768	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5769	ctx.rotate(-0.5*Math.PI);\n\
		5770	ctx.fillText(yaxislabel,0,0);\n\
		5771	ctx.restore();\n\
		5772	};\n\
		5773	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5774	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5775	for(var p = x_min; p <= x_max ; p++){\n\
		5776	num = Math.pow(xlogbase,p);\n\
		5777	for(var i = 1 ; i < xlogbase ; i++){\n\
		5778	x_e = x2px(i*num);\n\
		5779	if( i == 1 ){\
7739	schaersvoo	5780	ctx.lineWidth = line_width;\n\
		5781	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5782	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5783	xtxt = xlogbase+'^'+p.toFixed(0);\
		5784	corr = 0.5*(ctx.measureText(xtxt).width);\
		5785	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5786	};\
		5787	}else{\
		5788	ctx.lineWidth = 0.2*line_width;\n\
		5789	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5790	};\
7739	schaersvoo	5791	if( x_e >= xmarge ){\
		5792	ctx.beginPath();\n\
		5793	ctx.moveTo(x_e,0);\n\
		5794	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5795	ctx.stroke();\n\
		5796	ctx.closePath();\n\
		5797	};\
		5798	};\
7735	schaersvoo	5799	};\n\
		5800	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5801	var minor_step = stepy / yminor;\
7749	schaersvoo	5802	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5803	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5804	ctx.lineWidth = line_width;\n\
		5805	ctx.beginPath();\n\
7739	schaersvoo	5806	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5807	ctx.lineTo(xsize,y);\n\
		5808	ctx.stroke();\n\
		5809	ctx.closePath();\n\
		5810	if( use_axis_numbering == 1){\
		5811	ytxt = (px2y(y)).toFixed(prec);\
		5812	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5813	};\
		5814	for(var dy = 1 ; dy < yminor ; dy++){\
		5815	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5816	ctx.lineWidth = 0.2*line_width;\n\
		5817	ctx.beginPath();\n\
7739	schaersvoo	5818	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5819	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5820	ctx.stroke();\n\
		5821	ctx.closePath();\n\
		5822	};\
		5823	};\
		5824	ctx.restore();\n\
		5825	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5826	break;
7729	schaersvoo	5827	case DRAW_YLOGSCALE:
		5828	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5829	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	5830	var obj;\n\
		5831	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5832	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5833	}\n\
		5834	else\n\
		5835	{\n\
		5836	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5837	};\n\
		5838	var ctx = obj.getContext(\"2d\");\n\
		5839	ctx.clearRect(0,0,xsize,ysize);\
		5840	ctx.save();\n\
		5841	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5842	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5843	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5844	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5845	if(use_axis_numbering == 1){\
		5846	ctx.font = font_family;\n\
		5847	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5848	ymarge = 2*font_size;\n\
		5849	ctx.save();\n\
		5850	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5851	ctx.rect(0,0,xmarge,ysize);\n\
		5852	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5853	ctx.fill();\n\
		5854	ctx.restore();\n\
		5855	}else{xmarge = 0;ymarge = 0;};\n\
		5856	if( typeof xaxislabel !== 'undefined' ){\
		5857	ctx.save();\n\
		5858	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5859	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5860	corr = ctx.measureText(xaxislabel).width;\n\
		5861	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5862	ctx.restore();\n\
		5863	};\n\
		5864	if( typeof yaxislabel !== 'undefined' ){\
		5865	ctx.save();\n\
		5866	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5867	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5868	corr = ctx.measureText(yaxislabel).width;\n\
		5869	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5870	ctx.rotate(-0.5*Math.PI);\n\
		5871	ctx.fillText(yaxislabel,0,0);\n\
		5872	ctx.restore();\n\
		5873	};\n\
		5874	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5875	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5876	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5877	num = Math.pow(ylogbase,p);\n\
		5878	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5879	y_e = y2px(i*num);\n\
		5880	if( i == 1 ){\
		5881	ctx.lineWidth = line_width;\n\
		5882	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5883	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5884	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5885	};\
		5886	}else{\
		5887	ctx.lineWidth = 0.2*line_width;\n\
		5888	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5889	};\
		5890	ctx.beginPath();\n\
7739	schaersvoo	5891	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5892	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5893	ctx.stroke();\n\
		5894	ctx.closePath();\n\
		5895	};\n\
		5896	};\n\
		5897	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5898	var minor_step = stepx / xminor;\
		5899	var prec = Math.log(precision)/Math.log(10);\
		5900	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5901	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5902	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5903	ctx.lineWidth = line_width;\n\
		5904	ctx.beginPath();\n\
7739	schaersvoo	5905	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5906	ctx.lineTo(x,0);\n\
		5907	ctx.stroke();\n\
		5908	ctx.closePath();\n\
		5909	if( use_axis_numbering == 1){\
		5910	xtxt = (px2x(x)).toFixed(prec);\
		5911	corr = 0.5*(ctx.measureText(xtxt).width);\
		5912	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5913	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5914	};\
		5915	for(var dx = 1 ; dx < xminor ; dx++){\
		5916	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5917	ctx.lineWidth = 0.2*line_width;\n\
		5918	ctx.beginPath();\n\
7739	schaersvoo	5919	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5920	ctx.lineTo(x+dx*minor_step,0);\n\
		5921	ctx.stroke();\n\
		5922	ctx.closePath();\n\
7735	schaersvoo	5923	};\
		5924	};\
7729	schaersvoo	5925	ctx.restore();\n\
		5926	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5927
		5928	break;
7735	schaersvoo	5929
		5930
7614	schaersvoo	5931	default:break;
		5932	}
		5933	}
		5934	}
		5935	return;
		5936	}
		5937
		5938	void check_string_length(int L){
		5939	if(L<1 \|\| L > MAX_BUFFER-1){
		5940	canvas_error("problem with your arguments to command...");
		5941	}
		5942	return;
		5943	}
		5944
		5945
		5946	int get_token(FILE *infile){
		5947	int c,i=0;
		5948	char temp[MAX_INT], *input_type;
		5949	char *line="line",
		5950	*audio="audio",
		5951	*blink="blink",
		5952	*arrowhead="arrowhead",
		5953	*crosshairsize="crosshairsize",
		5954	*crosshair="crosshair",
		5955	*crosshairs="crosshairs",
		5956	*audioobject="audioobject",
		5957	*style="style",
		5958	*mouse="mouse",
		5959	*userdraw="userdraw",
		5960	*highlight="highlight",
		5961	*http="http",
		5962	*rays="rays",
		5963	*dashtype="dashtype",
		5964	*dashed="dashed",
		5965	*filled="filled",
		5966	*lattice="lattice",
		5967	*parallel="parallel",
		5968	*segment="segment",
		5969	*dsegment="dsegment",
		5970	*seg="seg",
		5971	*bgimage="bgimage",
		5972	*bgcolor="bgcolor",
		5973	*strokecolor="strokecolor",
		5974	*backgroundimage="backgroundimage",
		5975	*text="text",
		5976	*textup="textup",
		5977	*mouseprecision="mouseprecision",
		5978	*precision="precision",
		5979	*plotsteps="plotsteps",
		5980	*plotstep="plotstep",
		5981	*tsteps="tsteps",
		5982	*curve="curve",
		5983	*dcurve="dcurve",
		5984	*plot="plot",
		5985	*dplot="dplot",
7788	schaersvoo	5986	*levelcurve="levelcurve",
7614	schaersvoo	5987	*fontsize="fontsize",
		5988	*fontcolor="fontcolor",
		5989	*axis="axis",
		5990	*axisnumbering="axisnumbering",
		5991	*axisnumbers="axisnumbers",
		5992	*arrow="arrow",
		5993	*darrow="darrow",
		5994	*arrow2="arrow2",
		5995	*darrow2="darrow2",
		5996	*zoom="zoom",
		5997	*grid="grid",
		5998	*hline="hline",
7786	schaersvoo	5999	*dhline="dhline",
7614	schaersvoo	6000	*drag="drag",
		6001	*horizontalline="horizontalline",
		6002	*vline="vline",
7786	schaersvoo	6003	*dvline="dvline",
7614	schaersvoo	6004	*verticalline="verticalline",
		6005	*triangle="triangle",
		6006	*ftriangle="ftriangle",
		6007	*mathml="mathml",
		6008	*html="html",
		6009	*input="input",
		6010	*button="button",
		6011	*inputstyle="inputstyle",
		6012	*textarea="textarea",
		6013	*trange="trange",
		6014	*ranget="ranget",
		6015	*xrange="xrange",
		6016	*yrange="yrange",
		6017	*rangex="rangex",
		6018	*rangey="rangey",
		6019	*polyline="polyline",
		6020	*lines="lines",
		6021	*poly="poly",
		6022	*polygon="polygon",
		6023	*fpolygon="fpolygon",
		6024	*fpoly="fpoly",
		6025	*filledpoly="filledpoly",
		6026	*filledpolygon="filledpolygon",
		6027	*rect="rect",
		6028	*frect="frect",
		6029	*rectangle="rectangle",
		6030	*frectangle="frectangle",
		6031	*square="square",
		6032	*fsquare="fsquare",
		6033	*dline="dline",
		6034	*arc="arc",
		6035	*filledarc="filledarc",
		6036	*size="size",
		6037	*string="string",
		6038	*stringup="stringup",
		6039	*copy="copy",
		6040	*copyresized="copyresized",
		6041	*opacity="opacity",
		6042	*transparent="transparent",
		6043	*fill="fill",
		6044	*slider="slider",
		6045	*point="point",
		6046	*points="points",
		6047	*linewidth="linewidth",
		6048	*circle="circle",
		6049	*fcircle="fcircle",
		6050	*disk="disk",
		6051	*comment="#",
		6052	*end="end",
		6053	*ellipse="ellipse",
		6054	*fellipse="fellipse",
		6055	*rotate="rotate",
7785	schaersvoo	6056	*affine="affine",
		6057	*killaffine="killaffine",
7614	schaersvoo	6058	*fontfamily="fontfamily",
		6059	*fillcolor="fillcolor",
		6060	*clicktile="clicktile",
		6061	*clicktile_colors="clicktile_colors",
		6062	*translation="translation",
		6063	*translate="translate",
		6064	*killtranslation="killtranslation",
		6065	*killtranslate="killtranslate",
		6066	*onclick="onclick",
		6067	*roundrect="roundrect",
		6068	*froundrect="froundrect",
		6069	*roundrectangle="roundrectangle",
		6070	*patternfill="patternfill",
		6071	*hatchfill="hatchfill",
		6072	*diafill="diafill",
7647	schaersvoo	6073	*diamondfill="diamondfill",
7614	schaersvoo	6074	*dotfill="dotfill",
		6075	*gridfill="gridfill",
		6076	*imagefill="imagefill",
7735	schaersvoo	6077	*xlogbase="xlogbase",
		6078	*ylogbase="ylogbase",
7614	schaersvoo	6079	*xlogscale="xlogscale",
		6080	*ylogscale="ylogscale",
		6081	*xylogscale="xylogscale",
		6082	*intooltip="intooltip",
		6083	*replyformat="replyformat",
		6084	*floodfill="floodfill",
		6085	*filltoborder="filltoborder",
		6086	*clickfill="clickfill",
		6087	*setpixel="setpixel",
		6088	*pixels="pixels",
		6089	*pixelsize="pixelsize",
		6090	*clickfillmarge="clickfillmarge",
		6091	*xaxis="xaxis",
		6092	*yaxis="yaxis",
		6093	*xaxistext="xaxistext",
		6094	*yaxistext="yaxistext",
		6095	*piechart="piechart",
		6096	*legend="legend",
		6097	*legendcolors="legendcolors",
		6098	*xlabel="xlabel",
		6099	*ylabel="ylabel",
		6100	*barchart="barchart",
		6101	*linegraph="linegraph",
		6102	*clock="clock",
		6103	*animate="animate",
		6104	*video="video",
		6105	*status="status",
7652	schaersvoo	6106	*snaptogrid="snaptogrid",
7784	schaersvoo	6107	*xsnaptogrid="xsnaptogrid",
		6108	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6109	*userinput_xy="userinput_xy",
7663	schaersvoo	6110	*usertextarea_xy="usertextarea_xy",
7823	schaersvoo	6111	*jsmath="jsmath",
		6112	*trace_jsmath="trace_jsmath",
7838	schaersvoo	6113	*setlimits="setlimits",
7654	schaersvoo	6114	*sgraph="sgraph";
7614	schaersvoo	6115
		6116	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6117	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6118	continue; /* white spaces or tabs allowed before first command identifier */
		6119	}
		6120	else
		6121	{
		6122	if( c == ' ' \|\| c == '\t' ){
		6123	break;
		6124	}
		6125	else
		6126	{
		6127	temp[i] = c;
		6128	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6129	i++;
		6130	}
		6131	}
		6132	if(temp[0] == '#') break;
		6133	}
		6134	if (c == EOF) finished = 1;
		6135
		6136	if (c == '\n' \|\| c == '\r') {
		6137	line_number++;
		6138	if (i == 0) { return EMPTY; }
		6139	} else if (c == EOF) {
		6140	return 0;
		6141	}
		6142
		6143	temp[i]='\0';
		6144	input_type=(char*)my_newmem(strlen(temp));
		6145	snprintf(input_type,sizeof(temp),"%s",temp);
		6146
		6147	if( strcmp(input_type, size) == 0 ){
		6148	free(input_type);
		6149	return SIZE;
		6150	}
		6151	if( strcmp(input_type, xrange) == 0 ){
		6152	free(input_type);
		6153	return XRANGE;
		6154	}
		6155	if( strcmp(input_type, rangex) == 0 ){
		6156	free(input_type);
		6157	return XRANGE;
		6158	}
		6159	if( strcmp(input_type, trange) == 0 ){
		6160	free(input_type);
		6161	return TRANGE;
		6162	}
		6163	if( strcmp(input_type, ranget) == 0 ){
		6164	free(input_type);
		6165	return TRANGE;
		6166	}
		6167	if( strcmp(input_type, yrange) == 0 ){
		6168	free(input_type);
		6169	return YRANGE;
		6170	}
		6171	if( strcmp(input_type, rangey) == 0 ){
		6172	free(input_type);
		6173	return YRANGE;
		6174	}
		6175	if( strcmp(input_type, linewidth) == 0 ){
		6176	free(input_type);
		6177	return LINEWIDTH;
		6178	}
		6179	if( strcmp(input_type, dashed) == 0 ){
		6180	free(input_type);
		6181	return DASHED;
		6182	}
		6183	if( strcmp(input_type, dashtype) == 0 ){
		6184	free(input_type);
		6185	return DASHTYPE;
		6186	}
		6187	if( strcmp(input_type, axisnumbering) == 0 ){
		6188	free(input_type);
		6189	return AXIS_NUMBERING;
		6190	}
		6191	if( strcmp(input_type, axisnumbers) == 0 ){
		6192	free(input_type);
		6193	return AXIS_NUMBERING;
		6194	}
		6195	if( strcmp(input_type, axis) == 0 ){
		6196	free(input_type);
		6197	return AXIS;
		6198	}
		6199	if( strcmp(input_type, grid) == 0 ){
		6200	free(input_type);
		6201	return GRID;
		6202	}
		6203	if( strcmp(input_type, parallel) == 0 ){
		6204	free(input_type);
		6205	return PARALLEL;
		6206	}
		6207	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6208	free(input_type);
		6209	return HLINE;
		6210	}
		6211	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6212	free(input_type);
		6213	return VLINE;
		6214	}
		6215	if( strcmp(input_type, line) == 0 ){
		6216	free(input_type);
		6217	return LINE;
		6218	}
		6219	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6220	free(input_type);
		6221	return SEGMENT;
		6222	}
		6223	if( strcmp(input_type, dsegment) == 0 ){
		6224	free(input_type);
		6225	use_dashed = TRUE;
		6226	return SEGMENT;
		6227	}
		6228	if( strcmp(input_type, crosshairsize) == 0 ){
		6229	free(input_type);
		6230	return CROSSHAIRSIZE;
		6231	}
		6232	if( strcmp(input_type, arrowhead) == 0 ){
		6233	free(input_type);
		6234	return ARROWHEAD;
		6235	}
		6236	if( strcmp(input_type, crosshairs) == 0 ){
		6237	free(input_type);
		6238	return CROSSHAIRS;
		6239	}
		6240	if( strcmp(input_type, crosshair) == 0 ){
		6241	free(input_type);
		6242	return CROSSHAIR;
		6243	}
		6244	if( strcmp(input_type, onclick) == 0 ){
		6245	free(input_type);
		6246	return ONCLICK;
		6247	}
		6248	if( strcmp(input_type, drag) == 0 ){
		6249	free(input_type);
		6250	return DRAG;
		6251	}
		6252	if( strcmp(input_type, userdraw) == 0 ){
		6253	free(input_type);
		6254	return USERDRAW;
		6255	}
		6256	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6257	free(input_type);
		6258	return STYLE;
		6259	}
		6260	if( strcmp(input_type, fillcolor) == 0 ){
		6261	free(input_type);
		6262	return FILLCOLOR;
		6263	}
		6264	if( strcmp(input_type, strokecolor) == 0 ){
		6265	free(input_type);
		6266	return STROKECOLOR;
		6267	}
		6268	if( strcmp(input_type, filled) == 0 ){
		6269	free(input_type);
		6270	return FILLED;
		6271	}
		6272	if( strcmp(input_type, http) == 0 ){
		6273	free(input_type);
		6274	return HTTP;
		6275	}
		6276	if( strcmp(input_type, rays) == 0 ){
		6277	free(input_type);
		6278	return RAYS;
		6279	}
		6280	if( strcmp(input_type, lattice) == 0 ){
		6281	free(input_type);
		6282	return LATTICE;
		6283	}
		6284	if( strcmp(input_type, bgimage) == 0 ){
		6285	free(input_type);
		6286	return BGIMAGE;
		6287	}
		6288	if( strcmp(input_type, bgcolor) == 0 ){
		6289	free(input_type);
		6290	return BGCOLOR;
		6291	}
		6292	if( strcmp(input_type, backgroundimage) == 0 ){
		6293	free(input_type);
		6294	return BGIMAGE;
		6295	}
		6296	if( strcmp(input_type, text) == 0 ){
		6297	free(input_type);
		6298	return FLY_TEXT;
		6299	}
		6300	if( strcmp(input_type, textup) == 0 ){
		6301	free(input_type);
		6302	return FLY_TEXTUP;
		6303	}
		6304	if( strcmp(input_type, mouse) == 0 ){
		6305	free(input_type);
		6306	return MOUSE;
		6307	}
		6308	if( strcmp(input_type, mouseprecision) == 0 ){
		6309	free(input_type);
		6310	return MOUSE_PRECISION;
		6311	}
		6312	if( strcmp(input_type, precision) == 0 ){
		6313	free(input_type);
		6314	return MOUSE_PRECISION;
		6315	}
		6316	if( strcmp(input_type, curve) == 0 ){
		6317	free(input_type);
		6318	return CURVE;
		6319	}
		6320	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6321	use_dashed = TRUE;
7614	schaersvoo	6322	free(input_type);
		6323	return CURVE;
		6324	}
		6325	if( strcmp(input_type, plot) == 0 ){
		6326	free(input_type);
		6327	return CURVE;
		6328	}
		6329	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6330	use_dashed = TRUE;
7614	schaersvoo	6331	free(input_type);
		6332	return CURVE;
		6333	}
7788	schaersvoo	6334	if( strcmp(input_type, levelcurve) == 0 ){
		6335	free(input_type);
		6336	return LEVELCURVE;
		6337	}
7614	schaersvoo	6338	if( strcmp(input_type, plotsteps) == 0 ){
		6339	free(input_type);
		6340	return PLOTSTEPS;
		6341	}
		6342	if( strcmp(input_type, plotstep) == 0 ){
		6343	free(input_type);
		6344	return PLOTSTEPS;
		6345	}
		6346	if( strcmp(input_type, tsteps) == 0 ){
		6347	free(input_type);
		6348	return PLOTSTEPS;
		6349	}
		6350	if( strcmp(input_type, fontsize) == 0 ){
		6351	free(input_type);
		6352	return FONTSIZE;
		6353	}
		6354	if( strcmp(input_type, fontcolor) == 0 ){
		6355	free(input_type);
		6356	return FONTCOLOR;
		6357	}
		6358	if( strcmp(input_type, arrow) == 0 ){
		6359	free(input_type);
		6360	return ARROW;
		6361	}
		6362	if( strcmp(input_type, arrow2) == 0 ){
		6363	free(input_type);
		6364	return ARROW2;
		6365	}
		6366	if( strcmp(input_type, darrow) == 0 ){
		6367	free(input_type);
		6368	return ARROW;
		6369	}
		6370	if( strcmp(input_type, darrow2) == 0 ){
		6371	free(input_type);
		6372	use_dashed = TRUE;
		6373	return ARROW2;
		6374	}
		6375	if( strcmp(input_type, zoom) == 0 ){
		6376	free(input_type);
		6377	return ZOOM;
		6378	}
		6379	if( strcmp(input_type, triangle) == 0 ){
		6380	free(input_type);
		6381	return TRIANGLE;
		6382	}
		6383	if( strcmp(input_type, ftriangle) == 0 ){
		6384	free(input_type);
		6385	use_filled = TRUE;
		6386	return TRIANGLE;
		6387	}
		6388	if( strcmp(input_type, input) == 0 ){
		6389	free(input_type);
		6390	return INPUT;
		6391	}
		6392	if( strcmp(input_type, inputstyle) == 0 ){
		6393	free(input_type);
		6394	return INPUTSTYLE;
		6395	}
		6396	if( strcmp(input_type, textarea) == 0 ){
		6397	free(input_type);
		6398	return TEXTAREA;
		6399	}
		6400	if( strcmp(input_type, mathml) == 0 ){
		6401	free(input_type);
		6402	return MATHML;
		6403	}
		6404	if( strcmp(input_type, html) == 0 ){
		6405	free(input_type);
		6406	return MATHML;
		6407	}
		6408	if( strcmp(input_type, fontfamily) == 0 ){
		6409	free(input_type);
		6410	return FONTFAMILY;
		6411	}
		6412	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6413	free(input_type);
		6414	return POLYLINE;
		6415	}
		6416	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6417	free(input_type);
		6418	return RECT;
		6419	}
		6420	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6421	free(input_type);
		6422	return ROUNDRECT;
		6423	}
		6424	if( strcmp(input_type, froundrect) == 0 ){
		6425	free(input_type);
		6426	use_filled = TRUE;
		6427	return ROUNDRECT;
		6428	}
		6429	if( strcmp(input_type, square) == 0 ){
		6430	free(input_type);
		6431	return SQUARE;
		6432	}
		6433	if( strcmp(input_type, fsquare) == 0 ){
		6434	free(input_type);
		6435	use_filled = TRUE;
		6436	return SQUARE;
		6437	}
		6438	if( strcmp(input_type, dline) == 0 ){
		6439	use_dashed = TRUE;
		6440	free(input_type);
		6441	return LINE;
		6442	}
7786	schaersvoo	6443	if( strcmp(input_type, dvline) == 0 ){
		6444	use_dashed = TRUE;
		6445	free(input_type);
		6446	return VLINE;
		6447	}
		6448	if( strcmp(input_type, dhline) == 0 ){
		6449	use_dashed = TRUE;
		6450	free(input_type);
		6451	return HLINE;
		6452	}
7614	schaersvoo	6453	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6454	use_filled = TRUE;
		6455	free(input_type);
		6456	return RECT;
		6457	}
		6458	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6459	use_filled = TRUE;
		6460	free(input_type);
		6461	return CIRCLE;
		6462	}
		6463	if( strcmp(input_type, circle) == 0 ){
		6464	free(input_type);
		6465	return CIRCLE;
		6466	}
		6467	if( strcmp(input_type, point) == 0 ){
		6468	free(input_type);
		6469	return POINT;
		6470	}
		6471	if( strcmp(input_type, points) == 0 ){
		6472	free(input_type);
		6473	return POINTS;
		6474	}
		6475	if( strcmp(input_type, filledarc) == 0 ){
		6476	use_filled = TRUE;
		6477	free(input_type);
		6478	return ARC;
		6479	}
		6480	if( strcmp(input_type, arc) == 0 ){
		6481	free(input_type);
		6482	return ARC;
		6483	}
		6484	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6485	free(input_type);
		6486	return POLY;
		6487	}
		6488	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6489	use_filled = TRUE;
		6490	free(input_type);
		6491	return POLY;
		6492	}
		6493	if( strcmp(input_type, ellipse) == 0){
		6494	free(input_type);
		6495	return ELLIPSE;
		6496	}
		6497	if( strcmp(input_type, fill) == 0 ){
		6498	free(input_type);
		6499	return FLOODFILL;
		6500	}
		6501	if( strcmp(input_type, string) == 0 ){
		6502	free(input_type);
		6503	return STRING;
		6504	}
		6505	if( strcmp(input_type, stringup) == 0 ){
		6506	free(input_type);
		6507	return STRINGUP;
		6508	}
		6509	if( strcmp(input_type, opacity) == 0 ){
		6510	free(input_type);
		6511	return OPACITY;
		6512	}
		6513	if( strcmp(input_type, comment) == 0){
		6514	free(input_type);
		6515	return COMMENT;
		6516	}
		6517	if( strcmp(input_type, end) == 0){
		6518	free(input_type);
		6519	return END;
		6520	}
		6521	if( strcmp(input_type, fellipse) == 0){
		6522	free(input_type);
		6523	use_filled = TRUE;
		6524	return ELLIPSE;
7842	bpr	6525	}
7614	schaersvoo	6526	if( strcmp(input_type, blink) == 0 ){
		6527	free(input_type);
		6528	return BLINK;
		6529	}
		6530	if( strcmp(input_type, button) == 0){
		6531	free(input_type);
		6532	return BUTTON;
		6533	}
		6534	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6535	free(input_type);
		6536	return TRANSLATION;
		6537	}
		6538	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6539	free(input_type);
		6540	return KILLTRANSLATION;
		6541	}
		6542	if( strcmp(input_type, rotate) == 0){
		6543	free(input_type);
		6544	return ROTATE;
		6545	}
7785	schaersvoo	6546	if( strcmp(input_type, affine) == 0){
		6547	free(input_type);
		6548	return AFFINE;
		6549	}
		6550	if( strcmp(input_type, killaffine) == 0){
		6551	free(input_type);
		6552	return KILLAFFINE;
		6553	}
7614	schaersvoo	6554	if( strcmp(input_type, audio) == 0 ){
		6555	free(input_type);
		6556	return AUDIO;
		6557	}
		6558	if( strcmp(input_type, audioobject) == 0 ){
		6559	free(input_type);
		6560	return AUDIOOBJECT;
		6561	}
		6562	if( strcmp(input_type, slider) == 0 ){
		6563	free(input_type);
		6564	return SLIDER;
		6565	}
		6566	if( strcmp(input_type, copy) == 0 ){
		6567	free(input_type);
		6568	return COPY;
		6569	}
		6570	if( strcmp(input_type, copyresized) == 0 ){
		6571	free(input_type);
		6572	return COPYRESIZED;
		6573	}
		6574	if( strcmp(input_type, patternfill) == 0 ){
		6575	free(input_type);
		6576	return PATTERNFILL;
		6577	}
		6578	if( strcmp(input_type, hatchfill) == 0 ){
		6579	free(input_type);
		6580	return HATCHFILL;
		6581	}
7647	schaersvoo	6582	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6583	free(input_type);
7647	schaersvoo	6584	return DIAMONDFILL;
7614	schaersvoo	6585	}
		6586	if( strcmp(input_type, dotfill) == 0 ){
		6587	free(input_type);
		6588	return DOTFILL;
		6589	}
		6590	if( strcmp(input_type, gridfill) == 0 ){
		6591	free(input_type);
		6592	return GRIDFILL;
		6593	}
		6594	if( strcmp(input_type, imagefill) == 0 ){
		6595	free(input_type);
		6596	return IMAGEFILL;
		6597	}
		6598	if( strcmp(input_type, clicktile_colors) == 0 ){
		6599	free(input_type);
		6600	return CLICKTILE_COLORS;
		6601	}
		6602	if( strcmp(input_type, clicktile) == 0 ){
		6603	free(input_type);
		6604	return CLICKTILE;
		6605	}
		6606	if( strcmp(input_type, xlogscale) == 0 ){
		6607	free(input_type);
		6608	return XLOGSCALE;
		6609	}
		6610	if( strcmp(input_type, ylogscale) == 0 ){
		6611	free(input_type);
		6612	return YLOGSCALE;
		6613	}
		6614	if( strcmp(input_type, xylogscale) == 0 ){
		6615	free(input_type);
		6616	return XYLOGSCALE;
		6617	}
		6618	if( strcmp(input_type, ylogscale) == 0 ){
		6619	free(input_type);
		6620	return YLOGSCALE;
		6621	}
7735	schaersvoo	6622	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6623	free(input_type);
7735	schaersvoo	6624	return XLOGBASE;
7614	schaersvoo	6625	}
7735	schaersvoo	6626	if( strcmp(input_type, ylogbase) == 0 ){
		6627	free(input_type);
		6628	return YLOGBASE;
		6629	}
7614	schaersvoo	6630	if( strcmp(input_type, intooltip) == 0 ){
		6631	free(input_type);
		6632	return INTOOLTIP;
		6633	}
		6634	if( strcmp(input_type,video) == 0 ){
		6635	free(input_type);
		6636	return VIDEO;
		6637	}
		6638	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6639	free(input_type);
		6640	return FLOODFILL;
7842	bpr	6641	}
7614	schaersvoo	6642	if( strcmp(input_type,filltoborder) == 0 ){
		6643	free(input_type);
		6644	return FILLTOBORDER;
7842	bpr	6645	}
7614	schaersvoo	6646	if( strcmp(input_type,clickfill) == 0 ){
		6647	free(input_type);
		6648	return CLICKFILL;
7842	bpr	6649	}
7614	schaersvoo	6650	if( strcmp(input_type, replyformat) == 0 ){
		6651	free(input_type);
		6652	return REPLYFORMAT;
		6653	}
		6654	if( strcmp(input_type, pixelsize) == 0 ){
		6655	free(input_type);
		6656	return PIXELSIZE;
		6657	}
		6658	if( strcmp(input_type, setpixel) == 0 ){
		6659	free(input_type);
		6660	return SETPIXEL;
		6661	}
		6662	if( strcmp(input_type, pixels) == 0 ){
		6663	free(input_type);
		6664	return PIXELS;
		6665	}
		6666	if( strcmp(input_type, clickfillmarge) == 0 ){
		6667	free(input_type);
		6668	return CLICKFILLMARGE;
		6669	}
		6670	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6671	free(input_type);
		6672	return X_AXIS_STRINGS;
		6673	}
		6674	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6675	free(input_type);
		6676	return Y_AXIS_STRINGS;
		6677	}
		6678	if( strcmp(input_type, piechart) == 0 ){
		6679	free(input_type);
		6680	return PIECHART;
		6681	}
		6682	if( strcmp(input_type, barchart) == 0 ){
		6683	free(input_type);
		6684	return BARCHART;
		6685	}
		6686	if( strcmp(input_type, linegraph) == 0 ){
		6687	free(input_type);
		6688	return LINEGRAPH;
		6689	}
		6690	if( strcmp(input_type, clock) == 0 ){
		6691	free(input_type);
		6692	return CLOCK;
		6693	}
		6694	if( strcmp(input_type, legend) == 0 ){
		6695	free(input_type);
		6696	return LEGEND;
		6697	}
		6698	if( strcmp(input_type, legendcolors) == 0 ){
		6699	free(input_type);
		6700	return LEGENDCOLORS;
		6701	}
		6702	if( strcmp(input_type, xlabel) == 0 ){
		6703	free(input_type);
		6704	return XLABEL;
		6705	}
		6706	if( strcmp(input_type, ylabel) == 0 ){
		6707	free(input_type);
		6708	return YLABEL;
		6709	}
		6710	if( strcmp(input_type, animate) == 0 ){
		6711	free(input_type);
		6712	return ANIMATE;
		6713	}
		6714	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6715	if( strcmp(input_type, transparent) == 0 ){
		6716	free(input_type);
		6717	return TRANSPARENT;
		6718	}
		6719	if( strcmp(input_type, status) == 0 ){
		6720	free(input_type);
		6721	return STATUS;
		6722	}
		6723	if( strcmp(input_type, snaptogrid) == 0 ){
		6724	free(input_type);
		6725	return SNAPTOGRID;
		6726	}
7784	schaersvoo	6727	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6728	free(input_type);
		6729	return XSNAPTOGRID;
		6730	}
		6731	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6732	free(input_type);
		6733	return YSNAPTOGRID;
		6734	}
7652	schaersvoo	6735	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6736	free(input_type);
7652	schaersvoo	6737	return USERINPUT_XY;
		6738	}
7663	schaersvoo	6739	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6740	free(input_type);
		6741	return USERTEXTAREA_XY;
		6742	}
7654	schaersvoo	6743	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6744	free(input_type);
7654	schaersvoo	6745	return SGRAPH;
		6746	}
7823	schaersvoo	6747	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	6748	free(input_type);
7823	schaersvoo	6749	return JSMATH;
		6750	}
		6751	if( strcmp(input_type, trace_jsmath) == 0 ){
		6752	free(input_type);
		6753	return TRACE_JSMATH;
		6754	}
7838	schaersvoo	6755	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	6756	free(input_type);
7838	schaersvoo	6757	return SETLIMITS;
		6758	}
		6759	free(input_type);
7614	schaersvoo	6760	ungetc(c,infile);
		6761	return 0;
		6762	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 17583 – Rev 7848