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 "canvasdraw.h"
7614	schaersvoo	13
		14	/******************************************************************************
		15	** Internal Functions
		16	******************************************************************************/
		17	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		18	void sync_input(FILE infile);/ proceed with inputfile */
		19	void add_javascript_functions(int js_functions[], int canvas_root_id);
		20	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		21	int get_token(FILE infile); / read next char until EOL*/
8225	bpr	22	/*
7614	schaersvoo	23	int x2px(double x);
		24	int y2px(double y);
8225	bpr	25	*/
7614	schaersvoo	26	double px2x(int x);
		27	double px2y(int y);
7906	schaersvoo	28	double get_real(FILE infile,int last); / read a value; calculation and symbols allowed */
7614	schaersvoo	29	char str_replace ( const char word, const char sub_word, const char rep_word );
		30	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
7906	schaersvoo	31	char get_string(FILE infile,int last); /* get the string at the end of a command */
7614	schaersvoo	32	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		33	char convert_hex2rgb(char hexcolor);
8257	schaersvoo	34	void add_read_canvas(int canvas_root_id,int reply_format,int reply_precision);
7614	schaersvoo	35	void make_js_include(int canvas_root_id);
		36	void check_string_length(int length);/* checks if the length of string argument of command is correct */
8224	bpr	37	FILE *js_include_file;
7614	schaersvoo	38	FILE get_file(int line_number, char **filename);
		39	FILE infile; / will be stdin */
		40	/******************************************************************************
		41	** global
		42	******************************************************************************/
		43	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		44	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		45	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		46	int xsize = 320;
		47	int ysize = 320;
		48	double xmin = 0.0;
		49	double xmax = 320.0;
		50	double ymin = 0.0;
		51	double ymax = 320.0;
		52	double tmax = 2;
		53	double tmin = -2;
		54	/* flag to indicate parsing of line status */
8224	bpr	55	int done = FALSE;
7614	schaersvoo	56	int type; /* eg command number */
		57	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
8097	schaersvoo	58	int slider = 0;/* slider=1 : x-values ; slider=2 : y-values;slider=3 angle values */
7785	schaersvoo	59	int use_affine = FALSE;
7614	schaersvoo	60	int use_rotate = FALSE;
		61	int use_filled = FALSE;
		62	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
8097	schaersvoo	63
7614	schaersvoo	64	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		65
		66	/******************************************************************************
		67	** Main Program
		68	******************************************************************************/
		69	int main(int argc, char *argv[]){
		70	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		71	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		72	infile = stdin;/* read flyscript via stdin */
		73	int i,c;
		74	double double_data[MAX_INT+1];
		75	int int_data[MAX_INT+1];
		76	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		77	int use_parametric = FALSE;/* will be reset after parametric plotting */
		78	int use_axis = FALSE;
		79	int use_axis_numbering = FALSE;
7797	schaersvoo	80	int use_pan_and_zoom = FALSE;
7956	schaersvoo	81	int use_safe_eval = FALSE; /* if true, add just once : js function to evaluate userinput values for plotting etc */
7858	schaersvoo	82	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		83	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
7614	schaersvoo	84	int line_width = 1;
		85	int decimals = 2;
		86	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		87	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		88	int drag_type = -1;/* 0,1,2 : xy,x,y */
		89	int use_tooltip = FALSE;
		90	char *tooltip_text = "Click here";
		91	char temp = ""; / */
		92	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		93	char *stroke_color = "255,0,0";
		94	char *fill_color = "0,255,0";
		95	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		96	char *font_color = "#00000";
		97	char *draw_type = "points";
		98	char *fly_font = "normal";
		99	char *input_style = "";
		100	char *flytext = "";
7785	schaersvoo	101	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	102	int pixelsize = 1;
		103	int reply_format = 0;
		104	int input_cnt = 0;
		105	int ext_img_cnt = 0;
8071	schaersvoo	106	int slider_cnt = 0;
7614	schaersvoo	107	int font_size = 12;
8071	schaersvoo	108	int dashtype[2] = { 4 , 4 };
7614	schaersvoo	109	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		110	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		111	int arrow_head = 8; /* size in px*/
7833	schaersvoo	112	int crosshair_size = 5; /* size in px*/
8224	bpr	113	int plot_steps = 250;
7983	schaersvoo	114	int found_size_command = 0; /* 1 = found size ; 2 = found xrange; 3 = found yrange*/
7614	schaersvoo	115	int click_cnt = 1;
		116	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		117	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
7989	schaersvoo	118	int barchart_cnt = 0; /* identifier for command 'barchart' ; multiple charts may be plotted in a single plot*/
7956	schaersvoo	119	int legend_cnt = -1; /* to allow multiple legends to be used, for multiple piecharts etc */
8074	schaersvoo	120	int reply_precision = 100; /* used for precision of student answers / drawings */
7614	schaersvoo	121	double angle = 0.0;
		122	int clickfillmarge = 20;
		123	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	124	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
8112	schaersvoo	125	int use_slider_display = 0; /* in case of a slider, should we display it's value ?*/
7614	schaersvoo	126	size_t string_length = 0;
		127	double stroke_opacity = 0.8;
		128	double fill_opacity = 0.8;
		129	char *URL = "http://localhost/images";
		130	memset(buffer,'\0',MAX_BUFFER);
		131	void *tmp_buffer = "";
8224	bpr	132
7614	schaersvoo	133	/* default writing a unzipped js-include file into wims getfile directory */
		134	char *w_wims_session = getenv("w_wims_session");
8224	bpr	135	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	136	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		137	}
		138	int L0=strlen(w_wims_session) + 21;
		139	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		140	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		141	mode_t process_mask = umask(0); /* check if file exists */
		142	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		143	if( result == 0 \|\| errno == EEXIST ){
		144	umask(process_mask); /* be sure to set correct permission */
8224	bpr	145	char *w_session = getenv("w_session");
7614	schaersvoo	146	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		147	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
8224	bpr	148	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	149	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		150	/* now write file into getfile dir*/
		151	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		152	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		153	char location = my_newmem(L2); / create memory to fit string precisely */
		154	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		155	js_include_file = fopen(location,"w");/* open the file location for writing */
		156	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		157	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		158
		159	/* ----------------------------------------------------- */
		160	/* while more lines to process */
		161
		162	while(!finished){
7983	schaersvoo	163	if(line_number>1 && found_size_command == 0){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
7614	schaersvoo	164	type = get_token(infile);
		165	done = FALSE;
		166	/*
		167	@canvasdraw
8224	bpr	168	@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...)
8262	schaersvoo	169	@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><li> all draggable objects may have a slider for translation / rotation; several objects may be translated / rotated by a single slider</li> <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();The replyformat is : object_number : x-orig : y-orig : x-drag : y-drag<br />The x-orig/y-orig will be returned in maximum precision (javascript float)...<br />the x-drag/y-drag will be returned in defined 'precision' number of decimals<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.</li></ul>
		170	@If needed multiple interactive scripts may be used in a single webpage.<br />A function 'read_canvas()' and / or 'read_dragdrop()' can read all interactive userdata from these images.<br />The global array 'canvas_scripts' will contain all unique random "canvas_root_id" of the included scripts.<br />The included local javascript "read" functions "read_canvas%d()" and "read_dragdrop%d()" will have this "%d = canvas_root_id"<br />e.g. canvas_scripts[0] will be the random id of the first script in the page and will thus provide a function<br />fun = eval("read_canvas"+canvas_scripts[0]) to read user based drawings / inputfield in this first image.<br />The read_dragdrop is analogue.<br />Use command 'replyformat' to format the replies for an individual canvas script,<br />To read all user interactions from all included canvas scripts , use something like:<br /><em>function read_all_canvas_images(){<br /> var script_len = canvas_scripts.length;<br /> var draw_reply = "";<br /> var found_result = false;<br /> for(var p = 0 ; p < script_len ; p++){<br />  var fun = eval("read_canvas"+canvas_scripts[p]);<br />  if( typeof fun === 'function'){<br />   var result = fun();<br />   if( result  && result.length != 0){<br />    if(script_len == 1 ){ return result;};<br />     found_result = true;<br />     draw_reply = draw_reply + result + "\\n";<br />    };<br />   };<br />  };<br /> if( found_result ){return draw_reply;}else{return null;};<br />};</em>
7614	schaersvoo	171	*/
		172	switch(type){
		173	case END:
		174	finished = 1;
		175	done = TRUE;
		176	break;
		177	case 0:
		178	sync_input(infile);
		179	break;
		180	case COMMENT:
		181	sync_input(infile);
		182	break;
		183	case EMPTY:
		184	sync_input(infile);
		185	break;
		186	case SIZE:
		187	/*
		188	@size width,height
		189	@set canvas size in pixels
		190	@mandatory first command
7906	schaersvoo	191	@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) !!! this in contrast to flydraw
7614	schaersvoo	192	*/
7983	schaersvoo	193	found_size_command = 1;
7614	schaersvoo	194	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		195	ysize = (int)(abs(round(get_real(infile,1))));
		196	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		197	xmin = 0;xmax = xsize;
7647	schaersvoo	198	ymin = 0;ymax = ysize;
7614	schaersvoo	199
8224	bpr	200	/*
7614	schaersvoo	201	The sequence in which stuff is finally printed is important !!
		202	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		203	*/
8257	schaersvoo	204	fprintf(stdout,"\n<script type=\"text/javascript\">\
		205	if( typeof wims_status === 'undefined' ){ var wims_status = \"$status\";};\
		206	if( typeof use_dragdrop_reply === 'undefined' ){ var use_dragdrop_reply = false;};\
		207	if( typeof canvas_scripts === 'undefined' ){ var canvas_scripts = new Array();};\
		208	canvas_scripts.push(\"%d\");</script>\n\
		209	<!-- canvasdraw div and tooltip placeholder, if needed -->\n<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block;margin-bottom:4px;\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\n",canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
		210	fprintf(stdout,"<!-- include actual object code via include file -->\n<script id=\"canvas_script%d\" type=\"text/javascript\" src=\"%s\"></script>\n",canvas_root_id,getfile_cmd);
8146	schaersvoo	211	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n\
8108	schaersvoo	212	\"use strict\";\n\
8146	schaersvoo	213	<!-- these variables and functions must be global -->\n\
8257	schaersvoo	214	var read_dragdrop%d;\
		215	var read_canvas%d;\
8130	schaersvoo	216	var set_clock;\
8146	schaersvoo	217	var clear_draw_area;\
8257	schaersvoo	218	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
8146	schaersvoo	219	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
7729	schaersvoo	220	var xsize = %d;\
		221	var ysize = %d;\
7797	schaersvoo	222	var precision = 100;\
7729	schaersvoo	223	var canvas_div = document.getElementById(\"canvas_div%d\");\
8105	schaersvoo	224	var 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;};\
7729	schaersvoo	225	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;};\
7990	schaersvoo	226	function x2px(x){if(use_xlogscale == 0 ){return parseFloat(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);};};\
		227	function px2x(px){if(use_xlogscale == 0 ){return parseFloat(px(xmax - xmin)/xsize + xmin);}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);};};\
		228	function px2y(py){if(use_ylogscale == 0 ){return parseFloat(ymax - py(ymax - ymin)/ysize);}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);};};\
		229	function y2px(y){if(use_ylogscale == 0){return parseFloat(-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);};};\
8071	schaersvoo	230	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		231	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
7729	schaersvoo	232	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		233	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) ));};\
8105	schaersvoo	234	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;};\
		235	function slide(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = x2px(obj.xorg[p] + dx);obj.y[p] = y2px(obj.yorg[p] + dy);};return obj;};\
7881	schaersvoo	236	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		237	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		238	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\
7735	schaersvoo	239	var xlogbase = 10;\
		240	var ylogbase = 10;\
7729	schaersvoo	241	var use_xlogscale = 0;\
		242	var use_ylogscale = 0;\
		243	var x_strings = null;\
		244	var y_strings = null;\
		245	var use_pan_and_zoom = 0;\
7858	schaersvoo	246	var use_jsmath = 0;\
7729	schaersvoo	247	var xstart = 0;\
7996	schaersvoo	248	var ystart = 0;\
		249	var unit_x=\" \";\
8257	schaersvoo	250	var unit_y=\" \";",canvas_root_id,canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	251	/* default add the drag code : nearly always used ...*/
8257	schaersvoo	252	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		253
7614	schaersvoo	254	break;
		255	case XRANGE:
		256	/*
		257	@ xrange xmin,xmax
8224	bpr	258	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	259	*/
		260	for(i = 0 ; i<2; i++){
		261	switch(i){
		262	case 0: xmin = get_real(infile,0);break;
		263	case 1: xmax = get_real(infile,1);break;
		264	default: break;
		265	}
		266	}
		267	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		268	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
7983	schaersvoo	269	found_size_command++;
7614	schaersvoo	270	break;
		271	case YRANGE:
		272	/*
		273	@ yrange ymin,ymax
		274	@ if not given 0,ysize (eg in pixels)
		275	*/
		276	for(i = 0 ; i<2; i++){
		277	switch(i){
		278	case 0: ymin = get_real(infile,0);break;
		279	case 1: ymax = get_real(infile,1);break;
		280	default: break;
		281	}
		282	}
		283	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		284	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
7983	schaersvoo	285	found_size_command++;
7614	schaersvoo	286	break;
		287	case TRANGE:
		288	/*
		289	@ trange tmin,tmax
		290	@ default -2,2
		291	*/
		292	use_parametric = TRUE;
		293	for(i = 0 ; i<2; i++){
		294	switch(i){
		295	case 0: tmin = get_real(infile,0);break;
		296	case 1: tmax = get_real(infile,1);break;
		297	default: break;
		298	}
		299	}
		300	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		301	break;
		302	case LINEWIDTH:
		303	/*
		304	@ linewidth int
		305	@ default 1
		306	*/
		307	line_width = (int) (get_real(infile,1));
		308	break;
		309	case ARROWHEAD:
		310	/*
		311	@ arrowhead int
		312	@ default 8 (pixels)
		313	*/
		314	arrow_head = (int) (get_real(infile,1));
		315	break;
		316	case CROSSHAIRSIZE:
		317	/*
		318	@ crosshairsize int
		319	@ default 10 (px)
		320	*/
		321	crosshair_size = (int) (get_real(infile,1));
		322	break;
		323	case CROSSHAIR:
		324	/*
		325	@ crosshair x,y,color
		326	@ draw a single crosshair point at (x;y) in color 'color'
7956	schaersvoo	327	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	328	@ may be set draggable / onclick
		329	*/
		330	for(i=0;i<3;i++){
		331	switch(i){
		332	case 0: double_data[0] = get_real(infile,0);break; /* x */
		333	case 1: double_data[1] = get_real(infile,0);break; /* y */
		334	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		335	decimals = find_number_of_digits(precision);
8097	schaersvoo	336	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	337	click_cnt++;reset();
		338	break;
		339	default:break;
		340	}
		341	}
		342	break;
		343	case CROSSHAIRS:
		344	/*
		345	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		346	@ draw multiple crosshair points at given coordinates in color 'color'
7956	schaersvoo	347	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	348	@ may be set draggable / onclick individually (!)
		349	*/
		350	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		351	fill_color = stroke_color;
		352	i=0;
		353	while( ! done ){ /* get next item until EOL*/
		354	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		355	if(i%2 == 0 ){
		356	double_data[i] = get_real(infile,0); /* x */
		357	}
		358	else
		359	{
		360	double_data[i] = get_real(infile,1); /* y */
		361	}
		362	i++;
		363	}
		364	decimals = find_number_of_digits(precision);
		365	for(c=0 ; c < i-1 ; c = c+2){
8097	schaersvoo	366	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	367	click_cnt++;
		368	}
		369	reset();
		370	break;
		371	case POINT:
		372	/*
		373	@ point x,y,color
		374	@ draw a single point at (x;y) in color 'color'
7956	schaersvoo	375	@ use command 'linewidth int' to adust size
7614	schaersvoo	376	@ may be set draggable / onclick
8224	bpr	377	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	378	*/
		379	for(i=0;i<3;i++){
		380	switch(i){
		381	case 0: double_data[0] = get_real(infile,0);break; /* x */
		382	case 1: double_data[1] = get_real(infile,0);break; /* y */
		383	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		384	decimals = find_number_of_digits(precision);
8097	schaersvoo	385	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	386	click_cnt++;break;
		387	default: break;
		388	}
		389	}
		390	reset();
		391	break;
		392	case POINTS:
		393	/*
7634	schaersvoo	394	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	395	@ draw multiple points at given coordinates in color 'color'
7956	schaersvoo	396	@ use command 'linewidth int' to adust size
7614	schaersvoo	397	@ may be set draggable / onclick individually (!)
		398	*/
		399	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		400	fill_color = stroke_color;
		401	i=0;
		402	while( ! done ){ /* get next item until EOL*/
		403	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		404	if(i%2 == 0 ){
		405	double_data[i] = get_real(infile,0); /* x */
		406	}
		407	else
		408	{
		409	double_data[i] = get_real(infile,1); /* y */
		410	}
		411	i++;
		412	}
8224	bpr	413	decimals = find_number_of_digits(precision);
7614	schaersvoo	414	for(c = 0 ; c < i-1 ; c = c+2){
8097	schaersvoo	415	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	416	click_cnt++;
		417	}
		418	reset();
		419	break;
		420	case SEGMENT:
		421	/*
		422	@ segment x1,y1,x2,y2,color
		423	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		424	@ may be set draggable / onclick
		425	*/
		426	for(i=0;i<5;i++) {
		427	switch(i){
		428	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		429	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		430	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		431	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		432	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		433	decimals = find_number_of_digits(precision);
8097	schaersvoo	434	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	435	click_cnt++;reset();
		436	break;
		437	default: break;
		438	}
		439	}
		440	break;
		441	case LINE:
		442	/*
		443	@ line x1,y1,x2,y2,color
		444	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		445	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		446	@ may be set draggable / onclick
		447	*/
		448	for(i=0;i<5;i++){
		449	switch(i){
		450	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		451	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		452	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		453	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		454	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		455	if( double_data[10] == double_data[12] ){ /* vertical line*/
		456	double_data[1] = xmin;
		457	double_data[3] = ymax;
		458	double_data[0] = double_data[10];
		459	double_data[2] = double_data[10];
		460	}
		461	else
		462	{
		463	if( double_data[11] == double_data[13] ){ /* horizontal line */
		464	double_data[1] = double_data[11];
		465	double_data[3] = double_data[11];
		466	double_data[0] = ymin;
		467	double_data[2] = xmax;
		468	}
		469	else
		470	{
		471	/* m */
		472	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		473	/* q */
		474	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
8224	bpr	475
7614	schaersvoo	476	/xmin,mxmin+q,xmax,mxmax+q/
8224	bpr	477
7614	schaersvoo	478	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		479	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		480	double_data[0] = xmin;
		481	double_data[2] = xmax;
		482	}
		483	}
		484	decimals = find_number_of_digits(precision);
8097	schaersvoo	485	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	486	click_cnt++;reset();
		487	break;
		488	}
		489	}
		490	break;
8244	schaersvoo	491	case HALFLINE:
		492	/*
		493	@ demiline x1,y1,x2,y2,color
		494	@ alternative : halfline
		495	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
		496	@ may be set draggable / onclick
		497	*/
		498	for(i=0;i<5;i++){
		499	switch(i){
		500	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		501	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		502	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		503	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		504	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		505	if(double_data[0] == double_data[10]){ /* vertical halfline */
		506	if(double_data[1] < double_data[11]){
		507	double_data[3] = ymax + 1000;
		508	}
		509	else
		510	{
		511	double_data[3] = ymin - 1000;
		512	}
		513	double_data[2] = double_data[0];
		514	}
		515	else
		516	{ /* horizontal halfline*/
		517	if( double_data[1] == double_data[11] ){
		518	if( double_data[0] < double_data[10] ){
		519	double_data[2] = xmax + 1000; /* halfline to the right */
		520	}
		521	else
		522	{
		523	double_data[2] = xmin - 1000; /* halfline to the left */
		524	}
		525	double_data[3] = double_data[1];
		526	}
		527	else
		528	{
		529	/* any other halfline */
		530	/* slope */
		531	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		532	/* const */
		533	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		534	if( double_data[0] < double_data[10] ){
		535	double_data[2] = double_data[2] + 1000;
		536	}
		537	else
		538	{
		539	double_data[2] = double_data[2] - 1000;
		540	}
		541	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		542	}
		543	}
		544	decimals = find_number_of_digits(precision);
		545	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,18,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\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,slider,slider_cnt);
		546	click_cnt++;reset();
		547	break;
		548	}
		549	}
		550
		551	break;
8224	bpr	552	case HLINE:
7614	schaersvoo	553	/*
		554	@ hline x,y,color
		555	@ draw a horizontal line through point (x:y) in color 'color'
		556	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		557	@ may be set draggable / onclick
		558	*/
		559	for(i=0;i<3;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: stroke_color = get_color(infile,1);/* name or hex color */
		564	double_data[3] = double_data[1];
		565	decimals = find_number_of_digits(precision);
8097	schaersvoo	566	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	567	click_cnt++;reset();
		568	break;
		569	}
		570	}
		571	break;
		572	case VLINE:
		573	/*
		574	@ vline x,y,color
		575	@ draw a vertical line through point (x:y) in color 'color'
		576	@ may be set draggable / onclick
		577	*/
		578	for(i=0;i<3;i++) {
		579	switch(i){
		580	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		581	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		582	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		583	double_data[2] = double_data[0];
		584	decimals = find_number_of_digits(precision);
8097	schaersvoo	585	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	586	click_cnt++;reset();
		587	break;
		588	}
		589	}
		590	break;
		591	case SQUARE:
		592	/*
8071	schaersvoo	593	@ square x,y,side (px) ,color
7614	schaersvoo	594	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		595	@ use command 'fsquare x,y,side,color' for a filled square
		596	@ use command/keyword 'filled' before command 'square x,y,side,color'
		597	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		598	@ may be set draggable / onclick
		599	*/
		600	for(i=0;i<5;i++){
		601	switch(i){
8071	schaersvoo	602	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		603	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		604	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		605	case 3:
		606	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	607	decimals = find_number_of_digits(precision);
8071	schaersvoo	608	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		609	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	610	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,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[3],decimals,double_data[3],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[4],decimals,double_data[4],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,slider,slider_cnt);
7614	schaersvoo	611	click_cnt++;reset();
		612	break;
		613	}
		614	}
		615	break;
		616	case ROUNDRECT:
		617	/*
		618	@ roundrect x1,y1,x2,y2,radius,color
		619	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		620	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		621	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		622	@ may be set draggable / onclick
		623	*/
		624	for(i=0;i<6;i++){
		625	switch(i){
		626	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		627	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		628	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		629	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		630	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		631	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	632	/* ensure no inverted roundrect is produced... */
		633	if( double_data[0] > double_data[2] ){double_data[4] = double_data[0];double_data[0] = double_data[2];double_data[2] = double_data[4];}
8224	bpr	634	if( double_data[3] > double_data[1] ){double_data[4] = double_data[1];double_data[1] = double_data[3];double_data[3] = double_data[4];}
7614	schaersvoo	635	decimals = find_number_of_digits(precision);
8097	schaersvoo	636	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	637	click_cnt++;reset();
		638	break;
		639	}
		640	}
		641	break;
		642	case RECT:
		643	/*
		644	@ rect x1,y1,x2,y2,color
		645	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		646	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		647	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		648	@ may be set draggable / onclick
		649	*/
		650	for(i=0;i<5;i++){
		651	switch(i){
		652	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		653	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		654	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		655	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		656	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		657	decimals = find_number_of_digits(precision);
8097	schaersvoo	658	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	659	click_cnt++;reset();
		660	break;
		661	}
		662	}
		663	break;
		664	case POLYLINE:
		665	/*
		666	@ polyline color,x1,y1,x2,y2...x_n,y_n
		667	@ may be set draggable / onclick
		668	*/
		669	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		670	i=0;
		671	c=0;
		672	while( ! done ){ /* get next item until EOL*/
		673	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		674	for( c = 0 ; c < 2; c++){
		675	if(c == 0 ){
		676	double_data[i] = get_real(infile,0);
		677	i++;
		678	}
		679	else
		680	{
		681	double_data[i] = get_real(infile,1);
		682	i++;
		683	}
		684	}
		685	}
		686	/* draw path : not closed & not filled */
		687	decimals = find_number_of_digits(precision);
8097	schaersvoo	688	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	689	click_cnt++;reset();
		690	break;
		691	case POLY:
		692	/*
		693	@ poly color,x1,y1,x2,y2...x_n,y_n
		694	@ draw closed polygon
		695	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		696	@ may be set draggable / onclick
		697	*/
		698	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		699	i=0;
		700	c=0;
		701	while( ! done ){ /* get next item until EOL*/
		702	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		703	for( c = 0 ; c < 2; c++){
		704	if(c == 0 ){
		705	double_data[i] = get_real(infile,0);
		706	i++;
		707	}
		708	else
		709	{
		710	double_data[i] = get_real(infile,1);
		711	i++;
		712	}
		713	}
		714	}
		715	/* draw path : closed & optional filled */
		716	decimals = find_number_of_digits(precision);
8097	schaersvoo	717	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	718	click_cnt++;reset();
		719	break;
8224	bpr	720	case ARC:
7614	schaersvoo	721	/*
		722	@ arc xc,yc,width,height,start_angle,end_angle,color
		723	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	724	@ attention: width == height == radius in pixels
		725	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		726	@ use command 'angle' for scalable angle
7614	schaersvoo	727	*/
		728	for(i=0;i<7;i++){
		729	switch(i){
		730	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		731	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		732	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		733	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		734	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		735	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		736	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		737	/* in Shape library:
		738	x[0] = x[1] = xc
		739	y[0] = y[1] = yc
8224	bpr	740	w[0] = w[1] = radius = width = height
		741	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	742	*/
		743	decimals = find_number_of_digits(precision);
8097	schaersvoo	744	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	745	reset();
		746	break;
		747	}
		748	}
		749	break;
8224	bpr	750	case ANGLE:
8105	schaersvoo	751	/*
		752	@ angle xc,yc,width,start_angle,end_angle,color
		753	@ width is in x-range
		754	@ will zoom in/out
		755	@ if size is controlled by command 'slider' use radians to set limits of slider.
		756	*/
		757	for(i=0;i<7;i++){
		758	switch(i){
		759	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		760	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		761	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		762	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		763	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		764	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		765	decimals = find_number_of_digits(precision);
		766	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,17,[%.f,%.f],[%.f,%.f],[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[2],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],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,slider,slider_cnt);
		767	reset();
		768	break;
		769	}
		770	}
		771	break;
		772
7614	schaersvoo	773	case ELLIPSE:
		774	/*
		775	@ ellipse xc,yc,radius_x,radius_y,color
8224	bpr	776	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	777	@ radius_x and radius_y are in pixels
		778	@ may be set draggable / onclick
8224	bpr	779	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	780	*/
		781	for(i=0;i<5;i++){
		782	switch(i){
		783	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		784	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		785	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
8224	bpr	786	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	787	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		788	decimals = find_number_of_digits(precision);
8097	schaersvoo	789	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	790	click_cnt++;reset();
		791	break;
		792	}
		793	}
		794	break;
		795	case DASHTYPE:
		796	/*
		797	@ dashtype int ,int
7956	schaersvoo	798	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	799	@ default value "dashtype 2,2"
		800	*/
		801	for(i=0;i<2;i++){
		802	switch(i){
		803	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		804	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		805	}
		806	}
		807	break;
		808	case CIRCLE:
		809	/*
		810	@ circle xc,yc,width (2*r in pixels),color
		811	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		812	@ use command 'fillcolor color' to set the fillcolor
		813	@ may be set draggable / onclick
8224	bpr	814	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	815	*/
		816	for(i=0;i<4;i++){
		817	switch(i){
		818	case 0: double_data[0] = get_real(infile,0);break; /* x */
		819	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	820	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	821	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		822	decimals = find_number_of_digits(precision);
8097	schaersvoo	823	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	824	click_cnt++;reset();
		825	break;
		826	}
		827	}
		828	break;
		829	case RAYS:
		830	/*
		831	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		832	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	833	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	834	*/
		835	stroke_color=get_color(infile,0);
7786	schaersvoo	836	fill_color = stroke_color;
		837	double_data[0] = get_real(infile,0);/* xc */
		838	double_data[1] = get_real(infile,0);/* yc */
		839	i=2;
		840	while( ! done ){ /* get next item until EOL*/
		841	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		842	if(i%2 == 0 ){
		843	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	844	}
7786	schaersvoo	845	else
		846	{
		847	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	848	}
7786	schaersvoo	849	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		850	i++;
7614	schaersvoo	851	}
8224	bpr	852
		853	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		854	decimals = find_number_of_digits(precision);
7786	schaersvoo	855	for(c=2; c<i;c = c+2){
7614	schaersvoo	856	click_cnt++;
8097	schaersvoo	857	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	858	}
		859	reset();
		860	break;
		861	case ARROW:
		862	/*
		863	@ arrow x1,y1,x2,y2,h,color
		864	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		865	@ use command 'linewidth int' to adjust thickness of the arrow
		866	@ may be set draggable / onclick
		867	*/
		868	for(i=0;i<6;i++){
		869	switch(i){
		870	case 0: double_data[0] = get_real(infile,0);break; /* x */
		871	case 1: double_data[1] = get_real(infile,0);break; /* y */
		872	case 2: double_data[2] = get_real(infile,0);break; /* x */
		873	case 3: double_data[3] = get_real(infile,0);break; /* y */
		874	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		875	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		876	decimals = find_number_of_digits(precision);
8097	schaersvoo	877	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	878	click_cnt++;
		879	reset();
		880	break;
		881	}
		882	}
		883	break;
		884	case ARROW2:
		885	/*
		886	@ arrow2 x1,y1,x2,y2,h,color
		887	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		888	@ use command 'arrowhead int' to adjust the arrow head size
		889	@ use command 'linewidth int' to adjust thickness of the arrow
		890	@ may be set draggable / onclick
		891	*/
		892	for(i=0;i<6;i++){
		893	switch(i){
		894	case 0: double_data[0] = get_real(infile,0);break; /* x */
		895	case 1: double_data[1] = get_real(infile,0);break; /* y */
		896	case 2: double_data[2] = get_real(infile,0);break; /* x */
		897	case 3: double_data[3] = get_real(infile,0);break; /* y */
		898	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		899	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		900	decimals = find_number_of_digits(precision);
8097	schaersvoo	901	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	902	click_cnt++;reset();
		903	break;
		904	}
		905	}
		906	break;
8224	bpr	907	case PARALLEL:
7614	schaersvoo	908	/*
		909	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
8224	bpr	910	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	911	*/
		912	for( i = 0;i < 8; i++ ){
		913	switch(i){
		914	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		915	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		916	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		917	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		918	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		919	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		920	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		921	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		922	decimals = find_number_of_digits(precision);
8097	schaersvoo	923	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	924	click_cnt++;reset();
		925	break;
		926	default: break;
		927	}
		928	}
		929	break;
		930	case TRIANGLE:
		931	/*
		932	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	933	@may be set draggable / onclic
7614	schaersvoo	934	*/
		935	for(i=0;i<7;i++){
		936	switch(i){
		937	case 0: double_data[0] = get_real(infile,0);break; /* x */
		938	case 1: double_data[1] = get_real(infile,0);break; /* y */
		939	case 2: double_data[2] = get_real(infile,0);break; /* x */
		940	case 3: double_data[3] = get_real(infile,0);break; /* y */
		941	case 4: double_data[4] = get_real(infile,0);break; /* x */
		942	case 5: double_data[5] = get_real(infile,0);break; /* y */
		943	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		944	decimals = find_number_of_digits(precision);
8097	schaersvoo	945	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	946	click_cnt++;reset();
		947	break;
		948	default: break;
		949	}
		950	}
		951	break;
		952	case LATTICE:
		953	/*
		954	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
8224	bpr	955	@can not be set "onclick" or "drag xy"
7614	schaersvoo	956	*/
		957	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		958	for( i = 0; i<9; i++){
		959	switch(i){
		960	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		961	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		962	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	963	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	964	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	965	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	966	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		967	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		968	case 8: stroke_color=get_color(infile,1);
		969	decimals = find_number_of_digits(precision);
8071	schaersvoo	970	string_length = snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,%s);",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_affine,affine_matrix);
7614	schaersvoo	971	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	972	snprintf(tmp_buffer,string_length,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,%s);",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_affine,affine_matrix);
7614	schaersvoo	973	add_to_buffer(tmp_buffer);
		974	break;
		975	default:break;
		976	}
		977	}
		978	reset();
		979	break;
		980	case SNAPTOGRID:
		981	/*
		982	@ snaptogrid
		983	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		984	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	985	@ 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	986	*/
7881	schaersvoo	987	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	988	break;
7784	schaersvoo	989	case XSNAPTOGRID:
		990	/*
		991	@ xsnaptogrid
		992	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		993	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	994	@ if xminor is defined, the drawing will snap to xminor <br />use only even dividers in x-minor...for example<br />xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
7784	schaersvoo	995	*/
7881	schaersvoo	996	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	997	break;
		998	case YSNAPTOGRID:
		999	/*
		1000	@ ysnaptogrid
		1001	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1002	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	1003	@ if yminor is defined, the drawing will snap to yminor <br />use only even dividers in y-minor...for example<br />ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
7784	schaersvoo	1004	*/
7881	schaersvoo	1005	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1006	break;
8222	schaersvoo	1007	case USERINPUT:
		1008	/*
		1009	@ userinput function \| textarea \| inputfield
		1010	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1011	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1012	@ function may be used any time (e.g. without userdraw)
		1013	*/
		1014	temp = get_string_argument(infile,1);
		1015	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1016	if( js_function[DRAW_JSFUNCTION] != 1 ){
8222	schaersvoo	1017	js_function[DRAW_JSFUNCTION] = 1;
		1018	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
		1019	add_input_jsfunction(js_include_file,canvas_root_id,1,input_style,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1]);
		1020	input_cnt++;
		1021	}
		1022	if( use_js_math == FALSE){/* add this stuff only once...*/
		1023	add_to_js_math(js_include_file);
		1024	use_js_math = TRUE;
		1025	}
		1026	if( use_js_plot == FALSE){
		1027	use_js_plot = TRUE;
		1028	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1029	}
		1030	}
		1031	else
		1032	{
		1033	if(strstr(temp,"inputfield") != 0 ){
		1034	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1035	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1036	use_input_xy = 1;
		1037	}
		1038	else
		1039	{
		1040	if(strstr(temp,"textarea") != 0 ){
		1041	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1042	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1043	use_input_xy = 2;
		1044	}
		1045	else
		1046	{
		1047	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1048	}
		1049	}
		1050	}
		1051	break;
7663	schaersvoo	1052	case USERTEXTAREA_XY:
		1053	/*
		1054	@ usertextarea_xy
8224	bpr	1055	@ keyword
7663	schaersvoo	1056	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1057	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1058	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1059	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1060	*/
7856	schaersvoo	1061	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1062	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1063	use_input_xy = 2;
		1064	break;
7652	schaersvoo	1065	case USERINPUT_XY:
		1066	/*
		1067	@ userinput_xy
8224	bpr	1068	@ keyword
7652	schaersvoo	1069	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1070	@ 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	1071	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1072	@ 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	1073	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1074	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1075	*/
7749	schaersvoo	1076	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1077	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1078	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1079	use_input_xy = 1;
		1080	break;
8193	schaersvoo	1081	case USERINPUT_FUNCTION:
		1082	/*
		1083	@ userinput_function
		1084	@ keyword
		1085	@ if set , a inputfield will be added to the page
		1086	@ the userinput value will be plotted in the canvas
		1087	@ this value may be read with 'read_canvas()'. <br />for do it yourself js-scripters : If this is the first inputfield in the script, it's id is canvas_input0
		1088	@ use before this command 'userinput_function',<br />commands like 'inputstyle some_css' , 'xlabel some_description' , 'opacity int,int' , 'linewidth int' , 'dashed' and 'dashtype int,int' to modify
		1089	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1090	*/
8224	bpr	1091	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1092	js_function[DRAW_JSFUNCTION] = 1;
		1093	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
		1094	add_input_jsfunction(js_include_file,canvas_root_id,1,input_style,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1]);
		1095	input_cnt++;
		1096	}
		1097	if( use_js_math == FALSE){/* add this stuff only once...*/
		1098	add_to_js_math(js_include_file);
		1099	use_js_math = TRUE;
		1100	}
		1101	if( use_js_plot == FALSE){
		1102	use_js_plot = TRUE;
		1103	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1104	}
		1105	break;
7614	schaersvoo	1106	case USERDRAW:
		1107	/*
		1108	@ userdraw object_type,color
8244	schaersvoo	1109	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>vline</li><li>vlines</li><li>hline</li><li>hlines</li><li>demiline</li><li>demilines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrow2 (double arrow)</li><li>arrows</li><li>arrows2 (double 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><li>arc</li><li>arcs</li><li>input<br/>place a single inputfield on 'canvas'<br />use commands 'inputstyle' for css styling: use command 'linewidth' for adjusting the input field size (default 1)</li><li>inputs<br/>place multiple inputfield : placing inputfields on top of each other is not possible</li></ul>
7614	schaersvoo	1110	@ 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)
7956	schaersvoo	1111	@ 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
8224	bpr	1112	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1113	@ 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)
		1114	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1115	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1116	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1117	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1118	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1119	@ 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	1120	*/
		1121	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1122	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1123	}
8074	schaersvoo	1124	reply_precision = precision;
7614	schaersvoo	1125	use_userdraw = TRUE;
8130	schaersvoo	1126	fprintf(js_include_file,"\n<!-- begin userdraw mouse events -->\nuserdraw_x = new Array();userdraw_y = new Array();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	1127	draw_type = get_string_argument(infile,0);
		1128	stroke_color = get_color(infile,1);
		1129	if( strcmp(draw_type,"point") == 0 ){
		1130	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1131	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1132	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1133	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1134	if(use_input_xy == 1){
7652	schaersvoo	1135	add_input_circle(js_include_file,1,1);
		1136	add_input_xy(js_include_file,canvas_root_id);
		1137	}
7614	schaersvoo	1138	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);
		1139	}
		1140	else
		1141	if( strcmp(draw_type,"points") == 0 ){
		1142	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1143	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1144	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1145	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1146	if(use_input_xy == 1){
7652	schaersvoo	1147	add_input_circle(js_include_file,1,2);
		1148	add_input_xy(js_include_file,canvas_root_id);
		1149	}
7614	schaersvoo	1150	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);
		1151	}
		1152	else
		1153	if( strcmp(draw_type,"segment") == 0 ){
		1154	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1155	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1156	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1157	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1158	if(use_input_xy == 1){
7652	schaersvoo	1159	add_input_segment(js_include_file,1);
		1160	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1161	}
7614	schaersvoo	1162	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1163	}
		1164	else
7663	schaersvoo	1165	if( strcmp(draw_type,"polyline") == 0 ){
		1166	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1167	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1168	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1169	if( use_input_xy == 1 ){
		1170	add_input_polyline(js_include_file);
		1171	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1172	}
		1173	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1174	}
		1175	else
7614	schaersvoo	1176	if( strcmp(draw_type,"segments") == 0 ){
		1177	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1178	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1179	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1180	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1181	if(use_input_xy == 1){
7652	schaersvoo	1182	add_input_segment(js_include_file,2);
		1183	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1184	}
7614	schaersvoo	1185	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1186	}
		1187	else
		1188	if( strcmp(draw_type,"circle") == 0 ){
		1189	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1190	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1191	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
8071	schaersvoo	1192	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1193	if(use_input_xy == 1){
7652	schaersvoo	1194	add_input_circle(js_include_file,2,1);
		1195	add_input_xyr(js_include_file,canvas_root_id);
		1196	}
7614	schaersvoo	1197	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]);
		1198	}
		1199	else
		1200	if( strcmp(draw_type,"circles") == 0 ){
		1201	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1202	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1203	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1204	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]);
8071	schaersvoo	1205	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1206	if(use_input_xy == 1){
7652	schaersvoo	1207	add_input_circle(js_include_file,2,2);
		1208	add_input_xyr(js_include_file,canvas_root_id);
		1209	}
7614	schaersvoo	1210	}
		1211	else
		1212	if(strcmp(draw_type,"crosshair") == 0 ){
		1213	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1214	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1215	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1216	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1217	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1218	if(use_input_xy == 1){
7654	schaersvoo	1219	add_input_crosshair(js_include_file,1);
		1220	add_input_xy(js_include_file,canvas_root_id);
		1221	}
7614	schaersvoo	1222	}
		1223	else
		1224	if(strcmp(draw_type,"crosshairs") == 0 ){
		1225	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1226	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1227	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1228	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1229	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1230	if(use_input_xy == 1){
7654	schaersvoo	1231	add_input_crosshair(js_include_file,2);
		1232	add_input_xy(js_include_file,canvas_root_id);
		1233	}
7614	schaersvoo	1234	}
		1235	else
		1236	if(strcmp(draw_type,"freehandline") == 0 ){
		1237	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1238	if(reply_format == 0){reply_format = 6;}
8224	bpr	1239	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	1240	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1241	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1242	}
		1243	else
		1244	if(strcmp(draw_type,"freehandlines") == 0 ){
		1245	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1246	if(reply_format == 0){reply_format = 6;}
8224	bpr	1247	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	1248	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1249	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1250	}
		1251	else
		1252	if(strcmp(draw_type,"path") == 0 ){
		1253	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1254	if(reply_format == 0){reply_format = 6;}
8224	bpr	1255	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	1256	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1257	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1258	}
		1259	else
		1260	if(strcmp(draw_type,"paths") == 0 ){
		1261	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1262	if(reply_format == 0){reply_format = 6;}
8224	bpr	1263	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	1264	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1265	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1266	}
		1267	else
		1268	if(strcmp(draw_type,"arrows") == 0 ){
		1269	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1270	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1271	add_js_arrows(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	1272	if(use_input_xy == 1){
7654	schaersvoo	1273	add_input_arrow(js_include_file,2);
		1274	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1275	}
8071	schaersvoo	1276	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1277	}
		1278	else
7874	schaersvoo	1279	if(strcmp(draw_type,"arrows2") == 0 ){
		1280	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1281	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1282	add_js_arrows(js_include_file,2,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	1283	if(use_input_xy == 1){
7874	schaersvoo	1284	add_input_arrow(js_include_file,1);
		1285	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1286	}
8071	schaersvoo	1287	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1288	}
		1289	else
		1290	if(strcmp(draw_type,"arrow2") == 0 ){
		1291	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1292	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1293	add_js_arrows(js_include_file,1,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	1294	if(use_input_xy == 1){
7874	schaersvoo	1295	add_input_arrow(js_include_file,1);
		1296	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1297	}
8071	schaersvoo	1298	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1299	}
		1300	else
7614	schaersvoo	1301	if(strcmp(draw_type,"arrow") == 0 ){
		1302	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1303	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1304	add_js_arrows(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
8224	bpr	1305	if(use_input_xy == 1){
7654	schaersvoo	1306	add_input_arrow(js_include_file,1);
		1307	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1308	}
8071	schaersvoo	1309	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1310	}
		1311	else
		1312	if(strcmp(draw_type,"polygon") == 0){
		1313	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1314	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1315	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]);
8071	schaersvoo	1316	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1317	if(use_input_xy == 2){
7780	schaersvoo	1318	add_textarea_polygon(js_include_file);
		1319	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1320	}
7614	schaersvoo	1321	}
8224	bpr	1322	else
7614	schaersvoo	1323	if(strncmp(draw_type,"poly",4) == 0){
		1324	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1325	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1326	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1327	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	1328	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1329	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1330	}
8224	bpr	1331	else
7614	schaersvoo	1332	if(strcmp(draw_type,"triangle") == 0){
		1333	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1334	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1335	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	1336	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1337	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1338	}
8224	bpr	1339	else
7989	schaersvoo	1340	if( strcmp(draw_type,"hline") == 0 ){
		1341	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1342	if(reply_format == 0){reply_format = 11;}
		1343	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1344	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1345	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1346	}
		1347	else
		1348	if( strcmp(draw_type,"hlines") == 0 ){
		1349	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1350	if(reply_format == 0){reply_format = 11;}
		1351	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1352	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1353	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1354	}
		1355	else
		1356	if( strcmp(draw_type,"vline") == 0 ){
		1357	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1358	if(reply_format == 0){reply_format = 11;}
		1359	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1360	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1361	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1362	}
		1363	else
		1364	if( strcmp(draw_type,"vlines") == 0 ){
		1365	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1366	if(reply_format == 0){reply_format = 11;}
		1367	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1368	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1369	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1370	}
		1371	else
7614	schaersvoo	1372	if( strcmp(draw_type,"line") == 0 ){
		1373	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1374	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1375	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1376	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1377	if( use_input_xy == 1 ){
7780	schaersvoo	1378	add_input_line(js_include_file,1);
7747	schaersvoo	1379	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1380	}
8071	schaersvoo	1381	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1382	}
		1383	else
		1384	if( strcmp(draw_type,"lines") == 0 ){
		1385	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1386	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1387	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1388	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1389	if( use_input_xy == 1 ){
7780	schaersvoo	1390	add_input_line(js_include_file,2);
7747	schaersvoo	1391	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1392	}
8071	schaersvoo	1393	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1394	}
		1395	else
8244	schaersvoo	1396	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1397	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1398	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1399	if(reply_format == 0){reply_format = 11;}
		1400	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1401	if( use_input_xy == 1 ){
		1402	add_input_demiline(js_include_file,2);
		1403	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1404	}
		1405	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1406	}
		1407	else
		1408	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1409	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1410	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1411	if(reply_format == 0){reply_format = 11;}
		1412	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1413	if( use_input_xy == 1 ){
		1414	add_input_demiline(js_include_file,1);
		1415	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1416	}
		1417	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1418	}
		1419	else
7614	schaersvoo	1420	if( strcmp(draw_type,"rects") == 0){
		1421	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1422	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1423	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	1424	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1425	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1426	}
8224	bpr	1427	else
7614	schaersvoo	1428	if( strcmp(draw_type,"roundrects") == 0){
		1429	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1430	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1431	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	1432	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1433	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1434	}
8224	bpr	1435	else
7614	schaersvoo	1436	if( strcmp(draw_type,"rect") == 0){
		1437	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1438	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1439	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	1440	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1441	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1442	}
8224	bpr	1443	else
7614	schaersvoo	1444	if( strcmp(draw_type,"roundrect") == 0){
		1445	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1446	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1447	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	1448	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1449	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1450	}
		1451	else
8083	schaersvoo	1452	if( strcmp(draw_type,"arcs") == 0){
		1453	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1454	if(reply_format == 0){reply_format = 25;}
		1455	add_js_arc(js_include_file,canvas_root_id,2,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
		1456	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1457	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1458	}
		1459	else
8071	schaersvoo	1460	if( strcmp(draw_type,"arc") == 0){
		1461	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1462	if(reply_format == 0){reply_format = 25;}
		1463	add_js_arc(js_include_file,canvas_root_id,1,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1464	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1465	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1466	}
		1467	else
7614	schaersvoo	1468	if( strcmp(draw_type,"text") == 0){
8224	bpr	1469	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1470	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1471	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1472	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1473	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1474	}
8116	schaersvoo	1475	else
		1476	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1477	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1478	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1479	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1480	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1481	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1482	}
		1483	else
		1484	if( strcmp(draw_type,"input") == 0){
8224	bpr	1485	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1486	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1487	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1488	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1489	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1490	}
8193	schaersvoo	1491	else
7614	schaersvoo	1492	{
		1493	canvas_error("unknown drawtype or typo? ");
		1494	}
		1495	reset();
		1496	break;
		1497	case PLOTSTEPS:
		1498	/*
		1499	@ plotsteps a_number
		1500	@ default 150
		1501	@ use with care !
		1502	*/
		1503	plot_steps = (int) (get_real(infile,1));
		1504	break;
		1505	case FONTSIZE:
		1506	/*
		1507	@fontsize font_size
		1508	@default value 12
		1509	*/
		1510	font_size = (int) (get_real(infile,1));
		1511	break;
		1512	case FONTCOLOR:
		1513	/*
		1514	@fontcolor color
		1515	@color: hexcolor or colorname
		1516	@default: black
		1517	@example usage: x/y-axis text
		1518	*/
		1519	font_color = get_color(infile,1);
		1520	break;
		1521	case ANIMATE:
		1522	/*
		1523	@animate type
8109	schaersvoo	1524	@REMOVED : this should be done with a slider
7614	schaersvoo	1525	@type may be "point" (nothing else , yet...)
		1526	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1527	@will animate a point on the next plot/curve command
		1528	@the curve will not be draw
		1529	@moves repeatedly from xmin to xmax
		1530	*/
		1531	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1532	break;
7788	schaersvoo	1533	case LEVELCURVE:
		1534	/*
		1535	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1536	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1537	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1538	@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
		1539	@note : the arrays for holding the javascript data are limited in size
		1540	@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	1541	*/
7792	schaersvoo	1542	fill_color = get_color(infile,0);
7788	schaersvoo	1543	char *fun1 = get_string_argument(infile,0);
		1544	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1545	i = 0;
		1546	done = FALSE;
		1547	while( !done ){
		1548	double_data[i] = get_real(infile,1);
		1549	i++;
		1550	}
		1551	for(c = 0 ; c < i; c++){
8097	schaersvoo	1552	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,%d,%d));\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,slider,slider_cnt);
7788	schaersvoo	1553	click_cnt++;
		1554	}
		1555	reset();
		1556	break;
7858	schaersvoo	1557	case TRACE_JSCURVE:
7823	schaersvoo	1558	/*
7858	schaersvoo	1559	@trace_jscurve some_math_function
7823	schaersvoo	1560	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1561	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1562	@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	1563	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1564	@the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath : use 2*x in stead of 2x etc etc<br />no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7823	schaersvoo	1565	*/
		1566	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1567	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1568	if( use_js_math == FALSE){
		1569	add_to_js_math(js_include_file);
		1570	use_js_math = TRUE;
		1571	}
7823	schaersvoo	1572	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);
		1573	break;
		1574	case JSMATH:
		1575	/*
7858	schaersvoo	1576	@jsmath some_math_function
7856	schaersvoo	1577	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1578	@default labels 'x' and 'y'<br />the commands 'xlabel some_x_axis_name' and 'ylabel some_y_axis_name' will set the label for the input fields
7858	schaersvoo	1579	@example: jsmath sin(x^2)
		1580	@the client browser will convert your math function to javascript math.<br />use parenthesis and rawmath : use 2*x in stead of 2x etc etc<br />no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
7823	schaersvoo	1581	*/
		1582	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1583	if( use_js_math == FALSE){
		1584	add_to_js_math(js_include_file);
		1585	use_js_math = TRUE;
		1586	}
7823	schaersvoo	1587	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1588	break;
7858	schaersvoo	1589	case JSCURVE:
		1590	/*
		1591	@jscurve color,formula(x)
		1592	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1593	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1594	@use parenthesis and rawmath : use 2*x in stead of 2x ; use 2^(sin(x))...etc etc<br />use error console to debug any errors...
7981	schaersvoo	1595	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1596	@no validity check is done by wims.
		1597	@zooming & panning are implemented :<br />use command 'zoom color' for mouse driven zooming<br />or use keyword 'setlimits' for inputfields setting xmin/xmax, ymin/ymax
		1598	@use command 'trace_jscurve formula(x)` for tracing
		1599	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1600	@can not be set draggable / onclick (yet)
8224	bpr	1601	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1602	*/
		1603	stroke_color = get_color(infile,0);
		1604	if( use_js_math == FALSE){/* add this stuff only once...*/
		1605	add_to_js_math(js_include_file);
		1606	use_js_math = TRUE;
		1607	}
		1608	if( use_js_plot == FALSE){
		1609	use_js_plot = TRUE;
		1610	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1611	}
		1612	temp = get_string_argument(infile,1);
		1613	string_length = snprintf(NULL,0, "jsplot(%d,\"%s\",%d,\"%s\",%.2f,%d,%d,%d); ",JSPLOT_CANVAS+use_js_plot,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1614	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1615	snprintf(tmp_buffer,string_length,"jsplot(%d,\"%s\",%d,\"%s\",%.2f,%d,%d,%d); ",JSPLOT_CANVAS+use_js_plot,temp,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1616	add_to_buffer(tmp_buffer);
		1617	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1618
		1619	break;
7614	schaersvoo	1620	case CURVE:
		1621	/*
		1622	@curve color,formula(x)
		1623	@plot color,formula(x)
		1624	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1625	@use command "precision" to increase the number of digits of the plotted points
		1626	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1627	@may be set draggable / onclick
		1628	*/
		1629	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1630	use_parametric = FALSE;
		1631	stroke_color = get_color(infile,0);
		1632	char *fun1 = get_string_argument(infile,0);
		1633	char *fun2 = get_string_argument(infile,1);
		1634	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1635	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	1636	click_cnt++;
		1637	}
		1638	else
		1639	{
		1640	stroke_color = get_color(infile,0);
		1641	char *fun1 = get_string_argument(infile,1);
8224	bpr	1642	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1643	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,%d,%d));\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,slider,slider_cnt);
7614	schaersvoo	1644	click_cnt++;
		1645	}
7788	schaersvoo	1646	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1647	reset();
		1648	break;
		1649	case FLY_TEXT:
		1650	/*
		1651	@ text fontcolor,x,y,font,text_string
		1652	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1653	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1654	@ may be set "onclick" or "drag xy"
		1655	@ backwards compatible with flydraw
		1656	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1657	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1658	@ 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 reset 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
7614	schaersvoo	1659	*/
		1660	for(i = 0; i < 5 ;i++){
		1661	switch(i){
		1662	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1663	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1664	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1665	case 3: fly_font = get_string_argument(infile,0);
		1666	if(strcmp(fly_font,"giant") == 0){
		1667	font_size = (int)(font_size + 24);
		1668	}
		1669	else
		1670	{
		1671	if(strcmp(fly_font,"huge") == 0){
		1672	font_size = (int)(font_size + 14);
		1673	}
		1674	else
		1675	{
		1676	if(strcmp(fly_font,"large") == 0){
		1677	font_size = (int)(font_size + 6);
		1678	}
		1679	else
		1680	{
		1681	if(strcmp(fly_font,"small") == 0){
		1682	font_size = (int)(font_size - 4);
		1683	if(font_size<0){font_size = 8;}
		1684	}
		1685	}
		1686	}
		1687	}
		1688	break; /* font_size ! */
8224	bpr	1689	case 4:
7614	schaersvoo	1690	temp = get_string_argument(infile,1);
		1691	decimals = find_number_of_digits(precision);
8097	schaersvoo	1692	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,%f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\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,use_rotate,angle,temp,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	1693	click_cnt++;reset();break;
		1694	default:break;
		1695	}
		1696	}
		1697	break;
		1698	case FLY_TEXTUP:
		1699	/*
		1700	@ textup fontcolor,x,y,font,text_string
		1701	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1702	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1703	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1704	@ backwards compatible with flydraw
		1705	@ unicode supported: textup red,0,0,huge,\\u2232
		1706	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1707	@ 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 reset 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
7614	schaersvoo	1708	*/
8224	bpr	1709	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1710	for(i = 0; i<5 ;i++){
		1711	switch(i){
		1712	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1713	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1714	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1715	case 3: fly_font = get_string_argument(infile,0);
		1716	if(strcmp(fly_font,"giant") == 0){
		1717	font_size = (int)(font_size + 24);
		1718	}
		1719	else
		1720	{
		1721	if(strcmp(fly_font,"huge") == 0){
		1722	font_size = (int)(font_size + 14);
		1723	}
		1724	else
		1725	{
		1726	if(strcmp(fly_font,"large") == 0){
		1727	font_size = (int)(font_size + 6);
		1728	}
		1729	else
		1730	{
		1731	if(strcmp(fly_font,"small") == 0){
		1732	font_size = (int)(font_size - 4);
		1733	if(font_size<0){font_size = 8;}
		1734	}
		1735	}
		1736	}
		1737	}
		1738	break; /* font_size ! */
8224	bpr	1739	case 4:
7614	schaersvoo	1740	decimals = find_number_of_digits(precision);
		1741	temp = get_string_argument(infile,1);
8071	schaersvoo	1742	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1743	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1744	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1745	add_to_buffer(tmp_buffer);
		1746	break;
		1747	default:break;
		1748	}
		1749	}
		1750	reset();
		1751	break;
		1752	case FONTFAMILY:
		1753	/*
		1754	@ fontfamily font_description
		1755	@ set the font family; for browsers that support it
		1756	@ font_description: Ariel ,Courier, Helvetica etc
		1757	@ 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
		1758	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1759	*/
		1760	font_family = get_string(infile,1);
		1761	break;
		1762	case STRINGUP:
8224	bpr	1763	/*
		1764	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1765	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1766	@ unicode supported: stringup red,0,0,45,\\u2232
		1767	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1768
		1769	*/
		1770	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1771	for(i=0;i<6;i++){
		1772	switch(i){
		1773	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1774	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1775	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1776	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1777	case 4: decimals = find_number_of_digits(precision);
		1778	temp = get_string_argument(infile,1);
8071	schaersvoo	1779	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s);\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_affine,affine_matrix);
7614	schaersvoo	1780	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1781	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,%s);\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_affine,affine_matrix);
7614	schaersvoo	1782	add_to_buffer(tmp_buffer);
		1783	break;
		1784	default:break;
		1785	}
		1786	}
		1787	reset();
		1788	break;
		1789	case STRING:
8224	bpr	1790	/*
7614	schaersvoo	1791	@ string color,x,y,the text string
		1792	@ may be set "onclick" or "drag xy"
		1793	@ unicode supported: string red,0,0,\\u2232
8224	bpr	1794	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1795	*/
		1796	for(i=0;i<5;i++){
		1797	switch(i){
		1798	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1799	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1800	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1801	case 3: decimals = find_number_of_digits(precision);
		1802	temp = get_string_argument(infile,1);
		1803	decimals = find_number_of_digits(precision);
8097	schaersvoo	1804	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,%f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\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,use_rotate,angle,temp,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	1805	click_cnt++;reset();break;
		1806	default:break;
		1807	}
		1808	}
		1809	break;
7983	schaersvoo	1810	case CENTERSTRING:
8224	bpr	1811	/*
7983	schaersvoo	1812	@ centerstring color,y-value,the text string
7984	schaersvoo	1813	@ title color,y-value,the text string
7983	schaersvoo	1814	@ draw a string centered on the canvas at y = y-value
		1815	@ can not set "onclick" or "drag xy" (...)
		1816	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	1817	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	1818	*/
		1819	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		1820	for(i=0;i<3;i++){
		1821	switch(i){
		1822	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1823	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		1824	case 2: temp = get_string_argument(infile,1);
		1825	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		1826	decimals = find_number_of_digits(precision);
		1827	string_length = snprintf(NULL,0,
		1828	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1829	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1830	snprintf(tmp_buffer,string_length,"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1831	add_to_buffer(tmp_buffer);
		1832	break;
		1833	default:break;
		1834	}
		1835	}
		1836	break;
7614	schaersvoo	1837	case MATHML:
		1838	/*
		1839	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	1840	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1841	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	1842	@ 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	1843	@ 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....
8224	bpr	1844
7614	schaersvoo	1845	*/
		1846	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1847	for(i=0;i<5;i++){
		1848	switch(i){
		1849	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1850	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1851	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1852	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1853	case 4: decimals = find_number_of_digits(precision);
8224	bpr	1854	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1855	temp = get_string(infile,1);
		1856	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1857	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);
		1858	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1859	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);
		1860	add_to_buffer(tmp_buffer);
8224	bpr	1861	/*
		1862	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1863	if no other reply_format is defined
		1864	note: all other reply types will include a reading of elements with id='mathml'+p)
		1865	*/
		1866	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	1867	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	1868	}
		1869	break;
		1870	default:break;
		1871	}
		1872	}
		1873	reset();
		1874	break;
		1875	case HTTP:
		1876	/*
		1877	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	1878	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1879	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1880	@can not be 'set onclick' or 'drag xy'
		1881	*/
8224	bpr	1882	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1883	for(i=0;i<5;i++){
		1884	switch(i){
		1885	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1886	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1887	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1888	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1889	case 4: decimals = find_number_of_digits(precision);
		1890	temp = get_string(infile,1);
		1891	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1892	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);
		1893	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1894	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);
		1895	add_to_buffer(tmp_buffer);
		1896	break;
		1897	}
		1898	}
		1899	reset();
		1900	break;
		1901	case HTML:
		1902	/*
		1903	@ html x1,y1,x2,y2,html_string
		1904	@ all tags are allowed
		1905	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1906	@ 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.
8224	bpr	1907
7614	schaersvoo	1908	note: uses the same code as 'mathml'
		1909	*/
		1910	break;
		1911	case X_AXIS_STRINGS:
		1912	/*
		1913	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1914	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1915	@ use these x-axis values in stead of default xmin...xmax
		1916	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1917	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1918	@ 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
		1919	@ 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
		1920	*/
		1921	temp = get_string(infile,1);
		1922	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1923	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1924	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1925	use_axis_numbering = 1;
		1926	break;
		1927	case Y_AXIS_STRINGS:
		1928	/*
		1929	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1930	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1931	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1932	@ use these y-axis values in stead of default ymin...ymax
		1933	@ 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
		1934	*/
		1935	temp = get_string(infile,1);
		1936	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1937	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1938	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1939	use_axis_numbering = 1;
		1940	break;
8224	bpr	1941
7614	schaersvoo	1942	case AXIS_NUMBERING:
		1943	/*
8224	bpr	1944	@ axisnumbering
8101	schaersvoo	1945	@ keyword, no arguments required
7614	schaersvoo	1946	*/
		1947	use_axis_numbering = 1;
		1948	break;
		1949	case AXIS:
		1950	/*
		1951	@ axis
8101	schaersvoo	1952	@ keyword, no arguments required
7614	schaersvoo	1953
		1954	*/
		1955	use_axis = TRUE;
		1956	break;
8101	schaersvoo	1957	case KILLSLIDER:
		1958	/*
		1959	@ killslider
		1960	@ keyword, no arguments required
		1961	@ ends grouping of object under a preciously defined slider
		1962	*/
		1963	slider = 0;
		1964	break;
8071	schaersvoo	1965	case SLIDER:
		1966	/*
8097	schaersvoo	1967	@ slider start_value,end_value,width px,height px,type,label
		1968	@ type: xy,x,y,angle
8112	schaersvoo	1969	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		1970	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	1971	@ use commmand 'slider' before draggable/clickable objects.
		1972	@ a slider will affect all draggable objects after the 'slider' command...<br />and can be used to group translate / rotate several objects...<br />until a next 'slider' or keyword 'killslider'
8097	schaersvoo	1973	@ amount of sliders is not limited.
8101	schaersvoo	1974	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	1975	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		1976	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	1977	@ label: some slider text
		1978	@ use fillcolor for slider ball
		1979	@ use strokecolor for slider bar
8097	schaersvoo	1980	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	1981	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	1982	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	1983	*/
		1984	for(i=0; i<6 ; i++){
		1985	switch(i){
		1986	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		1987	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		1988	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		1989	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	1990	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	1991	/* xy display*/
		1992	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	1993	slider = 4;
		1994	}
		1995	else
		1996	{
8112	schaersvoo	1997	if(strstr(temp,"x") != 0){
8097	schaersvoo	1998	slider = 1;
		1999	}
		2000	else
		2001	{
8112	schaersvoo	2002	if(strstr(temp,"y") != 0){
8097	schaersvoo	2003	slider = 2;
		2004	}
		2005	else
		2006	{
8112	schaersvoo	2007	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2008	slider = 3;
		2009	}
		2010	else
8112	schaersvoo	2011	{
8097	schaersvoo	2012	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2013	}
8097	schaersvoo	2014	}
		2015	}
		2016	}
8112	schaersvoo	2017	if(strstr(temp,"display")!=0){
		2018	use_slider_display = 1; /* show x xy values in canvas window */
		2019	}
		2020	else
		2021	{
		2022	if(strstr(temp,"degree")!= 0){
		2023	use_slider_display = 2; /* show angle values in canvas window */
		2024	}
		2025	else
		2026	{
		2027	if(strstr(temp,"radian")!=0){
		2028	use_slider_display = 3; /* show radian values in canvas window */
		2029	}
		2030	}
		2031	}
		2032	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2033	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2034	}
8097	schaersvoo	2035	break;
		2036	case 5: /* some string used for slider description */
8071	schaersvoo	2037	slider_cnt++;
8097	schaersvoo	2038	if(slider == 4){
8112	schaersvoo	2039	add_xyslider(js_include_file,canvas_root_id,double_data[0],double_data[1],int_data[0],int_data[1],slider,get_string_argument(infile,1),slider_cnt,stroke_color,fill_color,line_width,fill_opacity,font_family,font_color,use_slider_display );
8097	schaersvoo	2040	}else{
8112	schaersvoo	2041	add_slider(js_include_file,canvas_root_id,double_data[0],double_data[1],int_data[0],int_data[1],slider,get_string_argument(infile,1),slider_cnt,stroke_color,fill_color,line_width,fill_opacity,font_family,font_color,use_slider_display);
8097	schaersvoo	2042	}
8071	schaersvoo	2043	break;
		2044	}
8097	schaersvoo	2045	}
8071	schaersvoo	2046	break;
7654	schaersvoo	2047	case SGRAPH:
		2048	/*
		2049	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2050	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2051	@ not very versatile: only usable in combination with userdraw <br />eg no other objects will obey this "coordinate system"<br />if you want to place an object into this coordinate system, be aware that 10% or 20% of xsize and/or ysize is 'lost'.<br />Use these "formulas" to recalculate the virtual coordinates:<br />factor=0.8 in case xstart != xmin (or ystart != ymin)<br />factor=0.9 in case xstart = xmin (or ystart = ymin)<br />px_x_point = ((factorxsize)/(xmax - xstart))(x_point - xmax)+xsize<br />x_recalculated = px(xmax - xmin)/xsize + $xmin<br />px_y_point = -1factory_pointysize/(ymax - ystart) + ymaxfactorysize/(ymax - ystart)<br />y_recalculated = ymax - py*(ymax - ymin)/ysize<br />
8224	bpr	2052	@ 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
7654	schaersvoo	2053	*/
8224	bpr	2054	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2055	for(i = 0 ; i < 8 ;i++){
		2056	switch(i){
		2057	case 0:double_data[0] = get_real(infile,0);break;
		2058	case 1:double_data[1] = get_real(infile,0);break;
		2059	case 2:double_data[2] = get_real(infile,0);break;
		2060	case 3:double_data[3] = get_real(infile,0);break;
		2061	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2062	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2063	case 6:stroke_color = get_color(infile,0);break;
		2064	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2065	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	2066	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2067	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	2068	add_to_buffer(tmp_buffer);
		2069	break;
		2070	default:break;
		2071	}
		2072	}
		2073	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2074	break;
7614	schaersvoo	2075	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2076	/*
		2077	@ grid step_x,step_y,gridcolor
		2078	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2079	@ 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	2080	@ 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	2081	@ can not be set "onclick" or "drag xy"
		2082	@ 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')
		2083	@ 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')
		2084	@ 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')
		2085	*/
7729	schaersvoo	2086	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2087	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2088	for(i=0;i<4;i++){
		2089	switch(i){
		2090	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2091	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2092	case 2:
		2093	if( use_axis == TRUE ){
		2094	stroke_color = get_color(infile,0);
		2095	done = FALSE;
		2096	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2097	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2098	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2099	fill_color = get_color(infile,1); /* used as axis_color*/
		2100	}
		2101	else
		2102	{
		2103	int_data[0] = 1;
		2104	int_data[1] = 1;
		2105	stroke_color = get_color(infile,1);
		2106	fill_color = stroke_color;
		2107	}
		2108	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	2109	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2110	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2111	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,%s,%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_affine,affine_matrix,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
7614	schaersvoo	2112	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2113	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,%s,%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_affine,affine_matrix,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
7614	schaersvoo	2114	add_to_buffer(tmp_buffer);
		2115	break;
		2116	}
		2117	}
		2118	reset();
		2119	break;
		2120	case OPACITY:
		2121	/*
		2122	@ opacity 0-255,0-255
		2123	@
		2124	*/
		2125	for(i = 0 ; i<2;i++){
		2126	switch(i){
		2127	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2128	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2129	default: break;
		2130	}
		2131	}
		2132	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 ? */
		2133	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2134	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2135	break;
		2136	case ROTATE:
		2137	/*
		2138	@rotate rotation_angle
8097	schaersvoo	2139	@angle in degrees
7614	schaersvoo	2140	*/
		2141	use_rotate = TRUE;
8097	schaersvoo	2142	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2143	break;
7785	schaersvoo	2144	case KILLAFFINE:
		2145	/*
		2146	@ killaffine
		2147	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2148	*/
		2149	use_affine = FALSE;
8224	bpr	2150	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2151	break;
		2152	case AFFINE:
		2153	/*
		2154	@affine a,b,c,d,tx,ty
8224	bpr	2155	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2156	@ use keyword 'killaffine' to end the transformation
		2157	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2158	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2159	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2160	@ a : Scales the drawings horizontally
		2161	@ b : Skews the drawings horizontally
		2162	@ c : Skews the drawings vertically
		2163	@ d : Scales the drawings vertically
8071	schaersvoo	2164	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2165	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2166	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2167	*/
		2168	for(i = 0 ; i<6;i++){
		2169	switch(i){
		2170	case 0: double_data[0] = get_real(infile,0);break;
		2171	case 1: double_data[1] = get_real(infile,0);break;
		2172	case 2: double_data[2] = get_real(infile,0);break;
		2173	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2174	case 4: double_data[4] = get_real(infile,0);break;
		2175	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2176	use_affine = TRUE;
8071	schaersvoo	2177	string_length = snprintf(NULL,0, "[%.2f,%.2f,%.2f,%.2f,%.2f,%.2f] ",double_data[0],double_data[1],double_data[2],double_data[3],double_data[4]xsize/(xmax - xmin),-1double_data[5]*ysize/(ymax - ymin));
7785	schaersvoo	2178	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2179	snprintf(affine_matrix,string_length,"[%.2f,%.2f,%.2f,%.2f,%.2f,%.2f] ",double_data[0],double_data[1],double_data[2],double_data[3],double_data[4]xsize/(xmax - xmin),-1double_data[5]*ysize/(ymax - ymin));
8071	schaersvoo	2180	break;
7785	schaersvoo	2181	default: break;
		2182	}
		2183	}
		2184	break;
7614	schaersvoo	2185	case KILLTRANSLATION:
		2186	/*
		2187	killtranslation
		2188	*/
8071	schaersvoo	2189	use_affine = FALSE;
8224	bpr	2190	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2191	break;
		2192	case TRANSLATION:
		2193	/*
		2194	@translation tx,ty
8071	schaersvoo	2195	@will translate the next object tx in xrange and ty in yrange
		2196	@uase command 'killtranstation' to end the command
7614	schaersvoo	2197	*/
8071	schaersvoo	2198	for(i = 0 ; i<2;i++){
		2199	switch(i){
		2200	case 0: double_data[0] = get_real(infile,0);break;
		2201	case 1: double_data[1] = get_real(infile,1);
		2202	use_affine = TRUE;
		2203	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2204	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2205	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2206	break;
		2207	default: break;
		2208	}
		2209	}
		2210	break;
		2211
7614	schaersvoo	2212	case DASHED:
		2213	/*
		2214	@ keyword "dashed"
		2215	@ next object will be drawn with a dashed line
		2216	@ change dashing scheme by using command "dashtype int,int)
		2217	*/
		2218	use_dashed = TRUE;
		2219	break;
		2220	case FILLED:
		2221	/*
8224	bpr	2222	@ keyword "filled"
		2223	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2224	@ use command "fillcolor color" to set fillcolor
		2225	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2226	@ 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 !
		2227	*/
		2228	use_filled = TRUE;
		2229	break;
		2230	case STYLE:
		2231	/*
		2232	@highlight color,opacity,linewidth
		2233	@ NOT IMPLEMENTED
		2234	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2235	*/
		2236	break;
		2237	case FILLCOLOR:
		2238	/*
		2239	@ fillcolor colorname or #hex
		2240	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2241	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2242	*/
		2243	fill_color = get_color(infile,1);
		2244	break;
		2245	case STROKECOLOR:
		2246	/*
		2247	@ strokecolor colorname or #hex
		2248	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2249	*/
		2250	stroke_color = get_color(infile,1);
		2251	break;
8224	bpr	2252	case BGIMAGE:
7614	schaersvoo	2253	/*
		2254	@bgimage image_location
		2255	@use an image as background .<br />(we use the background of 'canvas_div' )
		2256	@the background image will be resized to match "width = xsize" and "height = ysize"
		2257	*/
		2258	URL = get_string(infile,1);
		2259	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);
		2260	break;
8224	bpr	2261	case BGCOLOR:
7614	schaersvoo	2262	/*
		2263	@bgcolor colorname or #hex
		2264	@use this color as background of the "div" containing the canvas(es)
		2265	*/
		2266	/* [255,255,255]*/
		2267	bgcolor = get_string(infile,1);
		2268	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2269	int found = 0;
		2270	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2271	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2272	bgcolor = colors[i].hex;
		2273	found = 1;
		2274	break;
		2275	}
		2276	}
		2277	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2278	}
		2279	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2280	break;
		2281	case COPY:
		2282	/*
		2283	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2284	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2285	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2286	@ [filename] is the URL of the image
7614	schaersvoo	2287	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2288	@ 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
8224	bpr	2289	@ 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	2290
		2291	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2292	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2293	*/
		2294	for(i = 0 ; i<7;i++){
		2295	switch(i){
		2296	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2297	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2298	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2299	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2300	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2301	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2302	case 6: URL = get_string(infile,1);
		2303	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2304	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2305	if( drag_type > -1 ){
		2306	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2307	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2308	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);
		2309	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2310	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	2311	drag_type = -1;
		2312	ext_img_cnt++;
		2313	}
		2314	else
		2315	{
		2316	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2317	/*
		2318	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2319	*/
		2320	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]);
		2321	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2322	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]);
		2323	}
		2324	add_to_buffer(tmp_buffer);
		2325	break;
		2326	default: break;
		2327	}
		2328	}
		2329	reset();
		2330	break;
		2331	/*
		2332	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2333	img Specifies the image, canvas, or video element to use
		2334	sx The x coordinate where to start clipping : x1 = int_data[0]
		2335	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2336	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2337	sheight The height of the clipped image : int_data[3] - int_data[1]
		2338	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2339	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2340	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2341	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2342	*/
		2343	case COPYRESIZED:
		2344	/*
		2345	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2346	@ 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	2347	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2348	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2349	@ 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
8224	bpr	2350	@ 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	2351	*/
		2352	for(i = 0 ; i<9;i++){
		2353	switch(i){
		2354	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2355	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2356	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2357	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2358	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2359	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2360	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2361	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2362	case 8: URL = get_string(infile,1);
		2363	if( drag_type > -1 ){
		2364	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2365	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2366	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);
		2367	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2368	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);
		2369	drag_type = -1;
		2370	ext_img_cnt++;
		2371	}
		2372	else
		2373	{
		2374	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2375	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]);
		2376	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2377	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]);
		2378	}
		2379	add_to_buffer(tmp_buffer);
		2380	default: break;
		2381	}
		2382	}
		2383	reset();
		2384	break;
8146	schaersvoo	2385	case CLEARBUTTON:
7614	schaersvoo	2386	/*
8146	schaersvoo	2387	@clearbutton value
		2388	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2389	@normally userdraw primitives have the option to use middle/right mouse button on<br /> a point of the object to remove this specific object...this clear button will remove all drawings
8146	schaersvoo	2390	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2391	@use command 'inputstyle' to style the button...
7614	schaersvoo	2392	*/
8146	schaersvoo	2393	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2394	break;
		2395	case INPUTSTYLE:
		2396	/*
		2397	@ inputstyle style_description
		2398	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2399	*/
		2400	input_style = get_string(infile,1);
		2401	break;
		2402	case INPUT:
8224	bpr	2403	/*
7614	schaersvoo	2404	@ input x,y,size,editable,value
8224	bpr	2405	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2406	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2407	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2408	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2409	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2410	*/
8224	bpr	2411	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2412	for(i = 0 ; i<5;i++){
		2413	switch(i){
		2414	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2415	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2416	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2417	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2418	case 4:
7614	schaersvoo	2419	temp = get_string_argument(infile,1);
		2420	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);
		2421	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2422	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);
		2423	add_to_buffer(tmp_buffer);
		2424	input_cnt++;break;
		2425	default: break;
		2426	}
		2427	}
7876	schaersvoo	2428	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2429	reset();
		2430	break;
		2431	case TEXTAREA:
8224	bpr	2432	/*
7614	schaersvoo	2433	@ textarea x,y,cols,rows,readonly,value
		2434	@ may be further controlled by "inputstyle"
8224	bpr	2435	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2436	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2437	*/
8224	bpr	2438	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2439	for(i = 0 ; i<6;i++){
		2440	switch(i){
		2441	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2442	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2443	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2444	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2445	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2446	case 5: temp = get_string_argument(infile,1);
		2447	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);
		2448	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2449	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);
		2450	add_to_buffer(tmp_buffer);
		2451	input_cnt++;break;
		2452	default: break;
		2453	}
		2454	}
7876	schaersvoo	2455	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2456	reset();
		2457	break;
		2458	case MOUSE_PRECISION:
		2459	/*
		2460	@ precision int
8074	schaersvoo	2461	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2462	@ may be used / changed before every object
8074	schaersvoo	2463	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2464	*/
		2465	precision = (int) (get_real(infile,1));
8074	schaersvoo	2466	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2467	break;
7838	schaersvoo	2468	case SETLIMITS:
		2469	/*
8224	bpr	2470	@setlimits
7838	schaersvoo	2471	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2472	@may be used for inputfield based zooming / panning
7858	schaersvoo	2473	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2474	@note:the input value will not be checked on validity
7838	schaersvoo	2475	*/
7956	schaersvoo	2476	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2477	add_setlimits(js_include_file,canvas_root_id);
		2478	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2479	use_pan_and_zoom = TRUE;
		2480	done = TRUE;
		2481	break;
7614	schaersvoo	2482	case ZOOM:
		2483	/*
		2484	@ zoom button_color
		2485	@ introduce a controlpanel at the lower right corner
		2486	@ 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
		2487	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2488	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2489	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2490	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2491	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2492	@ 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 !!
		2493	*/
7653	schaersvoo	2494	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2495	use_pan_and_zoom = TRUE;
7988	schaersvoo	2496	stroke_color = get_color(infile,1);
7614	schaersvoo	2497	/* we use BG_CANVAS (0) */
7988	schaersvoo	2498	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2499	done = TRUE;
		2500	break;
		2501	case ONCLICK:
		2502	/*
		2503	@ onclick
		2504	@ keyword, no arguments
		2505	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2506	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2507	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2508	*/
8257	schaersvoo	2509	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2510	onclick = 1;
		2511	break;
		2512	case DRAG:
		2513	/*
		2514	@ drag [x][y][xy]
		2515	@ the next object will be draggable in x / y / xy direction
		2516	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2517	@ the precision (default 2 decimals) in the student reply may be set with command 'precision'.<br />Use this 'precision' command before this command 'drag x\|y\|xy' !
7906	schaersvoo	2518	@ the answer is : object_number : Xorg : Yorg : Xnew : Ynew<br />wherein object_number is the place of the draggable object in your script.<br />Only draggable object will have an object_number (e.g things like point,crosshair,line,segment,circle,rect,triangle...etc)
7881	schaersvoo	2519	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2520	@ 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	2521	@ 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 !!
		2522	*/
		2523	temp = get_string(infile,1);
8224	bpr	2524	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2525	drag_type = 0;
		2526	}
		2527	else
		2528	{
8224	bpr	2529	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2530	drag_type = 1;
		2531	}
		2532	else
		2533	{
		2534	drag_type = 2;
		2535	}
		2536	}
8257	schaersvoo	2537	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2538	onclick = 2;
8257	schaersvoo	2539
7614	schaersvoo	2540	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2541	break;
		2542	case BLINK:
		2543	/*
		2544	@ blink time(seconds)
		2545	@ NOT IMPLEMETED -YET
		2546	*/
		2547	break;
7996	schaersvoo	2548	case XUNIT:
		2549	/*
		2550	@ xunit some_unit_for_x-values
		2551	@ unicode allowed (no html code)
		2552	@ use together with command mousex
		2553	@ will display the cursor x-coordinate 'unit'
		2554	*/
		2555	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2556	break;
		2557	case YUNIT:
		2558	/*
		2559	@ yunit some_unit_for_y-values
		2560	@ unicode allowed (no html code)
		2561	@ use together with command mousex
		2562	@ will display the cursor y-coordinate 'unit'
		2563	*/
		2564	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2565	break;
8071	schaersvoo	2566	case MOUSE_DISPLAY:
		2567	/*
8129	schaersvoo	2568	@display x\|y\|xy\|degree\|radius,color,fontsize
		2569	@will display the mouse cursor coordinates as x-only,y-only,(x:y),<br />the radius of a circle (this only in case 'userdraw circle(s),color' !!<br />or the angle in degrees ( rhe angle between x-axis;(0:0);(x:y)
		2570	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2571	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2572	*/
		2573	temp = get_string_argument(infile,0);
8112	schaersvoo	2574	if( strstr(temp,"xy") != NULL ){
		2575	int_data[0] = 2;
8071	schaersvoo	2576	}else{
8112	schaersvoo	2577	if( strstr(temp,"y") != NULL ){
		2578	int_data[0] = 1;
8071	schaersvoo	2579	}else{
8112	schaersvoo	2580	if( strstr(temp,"x") != NULL ){
		2581	int_data[0] = 0;
8129	schaersvoo	2582	}else{
8112	schaersvoo	2583	if(strstr(temp,"degree") != NULL){
		2584	int_data[0] = 3;
8071	schaersvoo	2585	}else{
8129	schaersvoo	2586	if(strstr(temp,"radius") != NULL){
		2587	int_data[0] = 4;
		2588	}else{
		2589	int_data[0] = 2;
		2590	}
8112	schaersvoo	2591	}
8129	schaersvoo	2592	}
8071	schaersvoo	2593	}
8129	schaersvoo	2594	}
8071	schaersvoo	2595	stroke_color = get_color(infile,0);
		2596	font_size = (int) (get_real(infile,1));
		2597	tmp_buffer = my_newmem(26);
		2598	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2599	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2600	break;
		2601	case MOUSE_DEGREE:
		2602	/*
		2603	@ mouse_degree color,fontsize
8099	schaersvoo	2604	@ will display the angle in degrees between x-axis, (0:0) and the cursor (x:y) in 'color' and 'font size'<br /> using default fontfamily Ariel
8071	schaersvoo	2605	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2606	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2607
		2608	*/
		2609	stroke_color = get_color(infile,0);
		2610	font_size = (int) (get_real(infile,1));
		2611	tmp_buffer = my_newmem(26);
		2612	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2613	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2614	break;
7991	schaersvoo	2615	case MOUSEX:
		2616	/*
		2617	@ mousex color,fontsize
		2618	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2619	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2620
		2621	*/
		2622	stroke_color = get_color(infile,0);
		2623	font_size = (int) (get_real(infile,1));
		2624	tmp_buffer = my_newmem(26);
		2625	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2626	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2627	break;
		2628	case MOUSEY:
		2629	/*
		2630	@ mousey color,fontsize
		2631	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2632	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2633
		2634	*/
		2635	stroke_color = get_color(infile,0);
		2636	font_size = (int) (get_real(infile,1));
		2637	tmp_buffer = my_newmem(26);
		2638	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2639	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2640	break;
7614	schaersvoo	2641	case MOUSE:
		2642	/*
		2643	@ mouse color,fontsize
7991	schaersvoo	2644	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2645	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2646
7614	schaersvoo	2647	*/
		2648	stroke_color = get_color(infile,0);
		2649	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2650	tmp_buffer = my_newmem(26);
		2651	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2652	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2653	break;
		2654	case INTOOLTIP:
		2655	/*
		2656	@ intooltip link_text
		2657	@ link_text is a single line (span-element)
		2658	@ link_text may also be an image URL http://some_server/images/my_image.png
		2659	@ link_text may contain HTML markup
		2660	@ the canvas will be displayed in a tooltip on 'link_text'
		2661	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2662	*/
7823	schaersvoo	2663	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2664	use_tooltip = TRUE;
		2665	tooltip_text = get_string(infile,1);
		2666	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2667	break;
		2668	case AUDIO:
		2669	/*
		2670	@ audio x,y,w,h,loop,visible,audiofile location
		2671	@ x,y : left top corner of audio element (in xrange / yrange)
		2672	@ w,y : width and height in pixels
		2673	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2674	@ visible : 0 or 1 (1 = show controls)
		2675	@ audio format may be in .mp3 or .ogg
		2676	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2677	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2678	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2679	@ 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 />
		2680	*/
		2681	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2682	for(i=0;i<7;i++){
		2683	switch(i){
		2684	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2685	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2686	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2687	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2688	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2689	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2690	case 6:
7614	schaersvoo	2691	temp = get_string(infile,1);
		2692	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2693	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2694	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);
		2695	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2696	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);
		2697	add_to_buffer(tmp_buffer);
		2698	break;
		2699	default:break;
		2700	}
		2701	}
		2702	reset();
		2703	break;
		2704	case VIDEO:
		2705	/*
		2706	@ video x,y,w,h,videofile location
		2707	@ x,y : left top corner of audio element (in xrange / yrange)
		2708	@ w,y : width and height in pixels
		2709	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2710	@ video format may be in *.mp4 (todo:other formats)
		2711	*/
		2712	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2713	for(i=0;i<5;i++){
		2714	switch(i){
		2715	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2716	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2717	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2718	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2719	case 4: temp = get_string(infile,1);
		2720	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);
		2721	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2722	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);
		2723	add_to_buffer(tmp_buffer);
		2724	break;
		2725	default:break;
		2726	}
		2727	}
		2728	reset();
		2729	break;
		2730	case HATCHFILL:
		2731	/*
		2732	@ hatchfill x0,y0,dx,dy,color
		2733	@ x0,y0 in xrange / yrange
		2734	@ distances dx,dy in pixels
		2735	*/
		2736	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2737	for(i=0;i<5;i++){
		2738	switch(i){
		2739	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2740	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2741	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2742	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2743	case 4: stroke_color = get_color(infile,1);
		2744	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2745	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);
		2746	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2747	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);
		2748	add_to_buffer(tmp_buffer);
		2749	break;
		2750	default:break;
		2751	}
		2752	}
		2753	reset();
		2754	break;
7647	schaersvoo	2755	case DIAMONDFILL:
		2756	/*
		2757	@ diamondfill x0,y0,dx,dy,color
		2758	@ x0,y0 in xrange / yrange
		2759	@ distances dx,dy in pixels
		2760	*/
		2761	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2762	for(i=0;i<5;i++){
		2763	switch(i){
		2764	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2765	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2766	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2767	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2768	case 4: stroke_color = get_color(infile,1);
		2769	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2770	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);
		2771	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2772	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);
		2773	add_to_buffer(tmp_buffer);
		2774	break;
		2775	default:break;
		2776	}
		2777	}
		2778	reset();
		2779	break;
7614	schaersvoo	2780	case GRIDFILL:
		2781	/*
		2782	@ gridfill x0,y0,dx,dy,color
		2783	@ x0,y0 in xrange / yrange
		2784	@ distances dx,dy in pixels
7883	schaersvoo	2785	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2786	@ userdraw object may snap_to_grid
7614	schaersvoo	2787	*/
		2788	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2789	for(i=0;i<5;i++){
		2790	switch(i){
		2791	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2792	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2793	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2794	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2795	case 4: stroke_color = get_color(infile,1);
		2796	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);
		2797	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2798	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);
		2799	add_to_buffer(tmp_buffer);
		2800	break;
		2801	default:break;
		2802	}
		2803	}
		2804	reset();
		2805	break;
		2806	case DOTFILL:
		2807	/*
		2808	@ dotfill x0,y0,dx,dy,color
		2809	@ x0,y0 in xrange / yrange
		2810	@ distances dx,dy in pixels
		2811	@ radius of dots is linewidth
		2812	*/
		2813	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2814	for(i=0;i<5;i++){
		2815	switch(i){
		2816	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2817	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2818	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2819	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2820	case 4: stroke_color = get_color(infile,1);
		2821	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2822	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);
		2823	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2824	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);
		2825	add_to_buffer(tmp_buffer);
		2826	break;
		2827	default:break;
		2828	}
		2829	}
		2830	reset();
		2831	break;
		2832	case IMAGEFILL:
		2833	/*
		2834	@ imagefill dx,dy,image_url
		2835	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2836	@ After pattern filling ,the fill-color should be reset !
		2837	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2838	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2839	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2840	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2841	*/
		2842	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2843	for(i=0 ;i < 3 ; i++){
		2844	switch(i){
		2845	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2846	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2847	case 2: URL = get_string_argument(infile,1);
		2848	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);
		2849	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2850	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);
		2851	add_to_buffer(tmp_buffer);
		2852	break;
		2853	}
		2854	}
8083	schaersvoo	2855	reset();
7614	schaersvoo	2856	break;
		2857	case FILLTOBORDER:
		2858	/*
		2859	@ filltoborder x,y,bordercolor,color
8224	bpr	2860	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2861	@ any other color will not act as border to the bucket fill
		2862	@ use this command after all boundary objects are declared.
		2863	@ 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..
		2864	*/
		2865	for(i=0 ;i < 4 ; i++){
		2866	switch(i){
		2867	case 0:double_data[0] = get_real(infile,0);break;
		2868	case 1:double_data[1] = get_real(infile,0);break;
		2869	case 2:bgcolor = get_color(infile,0);break;
		2870	case 3:fill_color = get_color(infile,1);
		2871	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2872	js_function[DRAW_FILLTOBORDER] = 1;
		2873	add_js_filltoborder(js_include_file,canvas_root_id);
		2874	}
		2875	decimals = find_number_of_digits(precision);
7895	schaersvoo	2876	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	2877	string_length = snprintf(NULL,0, "setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d]);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2878	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2879	snprintf(tmp_buffer,string_length,"setTimeout(function(){filltoborder(%.f,%.f,[%s,%d],[%s,%d]);},1000);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2880	add_to_buffer(tmp_buffer);
		2881	break;
		2882	default:break;
8083	schaersvoo	2883	}
		2884	}
		2885	reset();
7614	schaersvoo	2886	break;
		2887	case FLOODFILL:
		2888	/*
		2889	@ floodfill x,y,color
		2890	@ alternative syntax: fill x,y,color
		2891	@ fill the region of point (x:y) with color 'color'
		2892	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2893	@ use this command after all boundary objects are declared.
		2894	@ Use command 'clickfill,color' for user click driven flood fill.
		2895	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2896	@ 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..
		2897	*/
		2898	for(i=0 ;i < 4 ; i++){
		2899	switch(i){
		2900	case 0:double_data[0] = get_real(infile,0);break;
		2901	case 1:double_data[1] = get_real(infile,0);break;
		2902	case 2:fill_color = get_color(infile,1);
		2903	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2904	js_function[DRAW_FLOODFILL] = 1;
		2905	add_js_floodfill(js_include_file,canvas_root_id);
		2906	}
		2907	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	2908	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		2909	string_length = snprintf(NULL,0, "setTimeout(function(){floodfill(0,%.f,%.f,[%s,%d]);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2910	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	2911	snprintf(tmp_buffer,string_length,"setTimeout(function(){floodfill(0,%.f,%.f,[%s,%d]);},1000);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
7614	schaersvoo	2912	add_to_buffer(tmp_buffer);
		2913	break;
		2914	default:break;
8083	schaersvoo	2915	}
		2916	}
		2917	reset();
7614	schaersvoo	2918	break;
		2919	case CLICKFILLMARGE:
		2920	clickfillmarge = (int) (get_real(infile,1));
		2921	break;
		2922	/*
		2923	@ clickfillmarge int
		2924	@ default 20 (pixels)
		2925	@ 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[])
		2926	*/
		2927	case CLICKFILL:
		2928	/*
		2929	@ clickfill fillcolor
		2930	@ user left mouse click will floodfill the area with fillcolor
		2931	@ multiple areas may be coloured
		2932	@ 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)
		2933	@ the answer will be read as the (x:y) click coordinates per coloured area
		2934	@ background color of main div may be set by using command "bgcolor color"
		2935	@ may not be combined with command "userdraw"
		2936	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2937	*/
		2938	fill_color = get_color(infile,1);
		2939	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2940	js_function[DRAW_FLOODFILL] = 1;
		2941	add_js_floodfill(js_include_file,canvas_root_id);
		2942	}
8130	schaersvoo	2943	fprintf(js_include_file,"\n<!-- begin command clickfill -->\nvar marge_xy = %d;userdraw_x = new Array();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 \|\| [255,255,255,0]);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));
8257	schaersvoo	2944	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	2945	reset();
7614	schaersvoo	2946	break;
		2947	case SETPIXEL:
		2948	/*
		2949	@ setpixel x,y,color
		2950	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2951	@ pixels can not be dragged or clicked
		2952	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2953	*/
		2954	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2955	for(i=0;i<3;i++){
		2956	switch(i){
		2957	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2958	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2959	case 2: stroke_color = get_color(infile,1);
		2960	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2961	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2962	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2963	add_to_buffer(tmp_buffer);
		2964	break;
		2965	default:break;
		2966	}
		2967	}
		2968	reset();
		2969	break;
		2970	case PIXELSIZE:
		2971	/*
		2972	@ pixelsize int
		2973	@ in case you want to deviate from default pixelsize = 1...
		2974	*/
		2975	pixelsize = (int) get_real(infile,1);
		2976	break;
		2977	case PIXELS:
		2978	/*
		2979	@ pixels color,x1,y1,x2,y2,x3,y3...
		2980	@ Draw "points" with diameter 1 pixel
		2981	@ pixels can not be dragged or clicked
		2982	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2983	*/
		2984	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2985	stroke_color=get_color(infile,0);
		2986	i=0;
		2987	c=0;
		2988	while( ! done ){ /* get next item until EOL*/
		2989	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2990	for( c = 0 ; c < 2; c++){
		2991	if(c == 0 ){
		2992	double_data[i] = get_real(infile,0);
		2993	i++;
		2994	}
		2995	else
		2996	{
		2997	double_data[i] = get_real(infile,1);
		2998	i++;
		2999	}
		3000	}
		3001	}
		3002	decimals = find_number_of_digits(precision);
		3003	/* double_xy2js_array(double xy[],int len,int decimals) /
		3004	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3005	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3006	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3007	add_to_buffer(tmp_buffer);
8083	schaersvoo	3008	reset();
7614	schaersvoo	3009	break;
		3010	case REPLYFORMAT:
		3011	/*
		3012	@ replyformat number
8257	schaersvoo	3013	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3014	@ default values should be fine !
8074	schaersvoo	3015	@ use command 'precision [0,1,10,100,1000,10000...]' before command 'replyformat' to set the desired number of decimals in the student reply / drawing
7963	schaersvoo	3016	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8127	schaersvoo	3017	@ 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><li>replyformat 24 = read all inputfield values: even those set 'readonly'</li><li>format 25 = angle1,angle2...angle_n : will return the radius (one or many) of the user drawn circle segment in degrees </li><li>format 26 = rad1,rad2...rad_n : will return the radius (one or many) of the user drawn circle segment in radians </li><li>27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...</li></ul>
7614	schaersvoo	3018	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3019	*/
		3020	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3021	reply_precision = precision;
7614	schaersvoo	3022	break;
		3023	case LEGENDCOLORS:
		3024	/*
		3025	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3026	@ will be used to colour a legend: use this command after the legend command ! e.g.<br />legend test1:test2:test3<br />legendcolors blue:red:orange<br />
7614	schaersvoo	3027	@ make sure the number of colours match the number of legend items
8224	bpr	3028	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3029	*/
7956	schaersvoo	3030	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3031	temp = get_string(infile,1);
		3032	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3033	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3034	break;
		3035	case LEGEND:
		3036	/*
		3037	@ legend string1:string2:string3....string_n
		3038	@ will be used to create a legend for a graph
8224	bpr	3039	@ also see command 'piechart'
7956	schaersvoo	3040	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3041	*/
		3042	temp = get_string(infile,1);
		3043	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3044	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3045	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3046	break;
		3047	case XLABEL:
		3048	/*
		3049	@ xlabel some_string
		3050	@ will be used to create a label for the x-axis (label is in quadrant I)
		3051	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3052	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3053	*/
		3054	temp = get_string(infile,1);
7653	schaersvoo	3055	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3056	break;
		3057	case YLABEL:
		3058	/*
		3059	@ ylabel some_string
8224	bpr	3060	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3061	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3062	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3063	*/
		3064	temp = get_string(infile,1);
7653	schaersvoo	3065	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3066	break;
		3067	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3068	/*
7996	schaersvoo	3069	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3070	@ will plot your data in a graph
		3071	@ may only to be used together with command 'grid'
		3072	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3073	@ use command 'legend' to provide an optional legend in right-top-corner
		3074	@ also see command 'piechart'
		3075	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3076	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3077	@ <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>
8224	bpr	3078	*/
7614	schaersvoo	3079	temp = get_string(infile,1);
		3080	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3081	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	3082	linegraph_cnt++;
		3083	reset();
		3084	break;
7989	schaersvoo	3085	case BARCHART:
		3086	/*
		3087	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3088	@ will be used to create a legend for bar graph
		3089	@ may only to be used together with command 'grid'
		3090	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3091	@ use command 'legend' to provide an optional legend in right-top-corner
		3092	@ also see command 'piechart'
		3093	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3094	*/
		3095	temp = get_string(infile,1);
		3096	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3097	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3098	barchart_cnt++;
		3099	reset();
		3100	break;
7614	schaersvoo	3101	case CLOCK:
		3102	/*
		3103	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3104	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3105	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3106	@ colors are optional: if not defined, default values will be used<br />default colours: clock 0,0,60,4,35,45,1,2,[space]<br />default colours: clock 0,0,60,4,35,45,1,2,,,,,<br />custom colours: clock 0,0,60,4,35,45,1,2,,,,yellow,red<br />custom colours: clock 0,0,60,4,35,45,1,2,white,white,white,black,yellow
7862	schaersvoo	3107	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3108	@ 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>
		3109	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3110	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3111	@ 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
8262	schaersvoo	3112	@ NOTE: if you need multiple clocks on a webpage, use multiple 'clock' commands in a single script !<br />and <i>not multiple canvas scripts</i> in a single page
7614	schaersvoo	3113	*/
		3114	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3115
		3116	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3117	for(i=0;i<9;i++){
		3118	switch(i){
		3119	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3120	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3121	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3122	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3123	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3124	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3125	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	3126	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3127	switch(int_data[7]){
		3128	case 0:break;
		3129	case 1:if(clock_cnt == 0){
		3130	if( reply_format == 0 ){
7614	schaersvoo	3131	reply_format = 18; /* user sets clock */
7783	schaersvoo	3132	/* 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	3133	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3134	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");
		3135	add_to_buffer(tmp_buffer);
7783	schaersvoo	3136	*/
8130	schaersvoo	3137	fprintf(js_include_file,"set_clock = function(num,type,diff){if(wims_status == \"done\"){return;};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 = new 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");
7783	schaersvoo	3138	}
		3139	else
		3140	{
		3141	canvas_error("interactive clock may not be used together with other reply_types...");
		3142	}
		3143	}
8130	schaersvoo	3144	fprintf(stdout,"<p style=\"text-align:center\"><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><br /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M−\" /><input style=\"%s\" type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S−\" /></p>",input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt,input_style,clock_cnt);
7783	schaersvoo	3145	break;
		3146	case 2:if( reply_format == 0 ){
		3147	reply_format = 19; /* "onclick */
8130	schaersvoo	3148	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 = new 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 = new 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 ");
7783	schaersvoo	3149	}
		3150	else
		3151	{
		3152	if( reply_format != 19){
7614	schaersvoo	3153	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3154	}
7783	schaersvoo	3155	}
		3156	break;
		3157	default: canvas_error("interactive must be set 0,1 or 2");break;
		3158	}
		3159	break;
8224	bpr	3160	case 8:
8130	schaersvoo	3161	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3162	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3163	}
7614	schaersvoo	3164	temp = get_string(infile,1);
		3165	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3166	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3167	string_length = snprintf(NULL,0,"var 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);
7614	schaersvoo	3168	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3169	snprintf(tmp_buffer,string_length,"var 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);
7614	schaersvoo	3170	add_to_buffer(tmp_buffer);
		3171	clock_cnt++;
		3172	break;
		3173	default:break;
		3174	}
		3175	}
		3176	break;
		3177	case PIECHART:
		3178	/*
		3179	@ piechart xc,yc,radius,'data+colorlist'
		3180	@ (xc : yc) center of circle diagram in xrange/yrange
		3181	@ radius in pixels
		3182	@ 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
		3183	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3184	@ the number of colors must match the number of data.
		3185	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3186	@ 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...<br />use command 'fontfamily' to set the font of the legend.
7614	schaersvoo	3187	*/
8224	bpr	3188	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3189	for(i=0;i<5;i++){
		3190	switch(i){
		3191	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3192	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3193	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3194	case 3: temp = get_string(infile,1);
		3195	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3196	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,legend_cnt,font_family);
7614	schaersvoo	3197	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3198	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,legend_cnt,font_family);
7614	schaersvoo	3199	add_to_buffer(tmp_buffer);
		3200	break;
		3201	default:break;
		3202	}
		3203	}
		3204	reset();
		3205	break;
		3206	case STATUS:
7877	schaersvoo	3207	/*
		3208	@status
		3209	@keyword
		3210	@alernative keyword: nostatus
		3211	@used to override the effects of "status=done" in wims (answer.phtml)
		3212	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3213	@e.g.: if keyword 'status' is set, the pupil will be able to modify the canvas when the 'wims status variable' is set to 'done'
		3214	*/
8224	bpr	3215
7877	schaersvoo	3216	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3217	break;
7735	schaersvoo	3218	case XLOGBASE:
7729	schaersvoo	3219	/*
7735	schaersvoo	3220	@ xlogbase number
		3221	@ sets the logbase number for the x-axis
7729	schaersvoo	3222	@ default value 10
7735	schaersvoo	3223	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3224	*/
7735	schaersvoo	3225	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3226	break;
7735	schaersvoo	3227	case YLOGBASE:
		3228	/*
		3229	@ ylogbase number
		3230	@ sets the logbase number for the y-axis
		3231	@ default value 10
		3232	@ use together with commands ylogscale / xylogscale
		3233	*/
		3234	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3235	break;
7614	schaersvoo	3236	case XLOGSCALE:
		3237	/*
7735	schaersvoo	3238	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3239	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3240	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3241	@ the linewidth is set using command 'linewidth int'
		3242	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3243	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3244	@ 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	3245	@ note: the complete canvas will be used for the 'log paper'
		3246	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3247	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3248	@ 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	3249	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3250	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3251	*/
7735	schaersvoo	3252	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3253	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3254	for(i=0;i<4;i++){
		3255	switch(i){
		3256	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3257	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3258	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3259	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3260	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	3261	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3262	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	3263	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3264	add_to_buffer(tmp_buffer);
		3265	break;
		3266	default:break;
		3267	}
		3268	}
7614	schaersvoo	3269	break;
		3270	case YLOGSCALE:
7729	schaersvoo	3271	/*
		3272	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3273	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3274	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3275	@ the linewidth is set using command 'linewidth int'
		3276	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3277	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3278	@ 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	3279	@ note: the complete canvas will be used for the 'log paper'
		3280	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3281	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3282	@ 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	3283	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3284	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3285	*/
		3286	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3287	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3288	for(i=0;i<4;i++){
		3289	switch(i){
		3290	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3291	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3292	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3293	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3294	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	3295	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3296	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	3297	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3298	add_to_buffer(tmp_buffer);
		3299	break;
		3300	default:break;
		3301	}
		3302	}
7614	schaersvoo	3303	break;
		3304	case XYLOGSCALE:
7735	schaersvoo	3305	/*
		3306	@ xylogscale majorcolor,minorcolor
		3307	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3308	@ the linewidth is set using command 'linewidth int'
		3309	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3310	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3311	@ 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	3312	@ note: the complete canvas will be used for the 'log paper'
		3313	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3314	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3315	@ 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	3316	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3317	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3318	*/
		3319	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3320	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3321	for(i=0;i<2;i++){
		3322	switch(i){
		3323	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3324	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3325	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	3326	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3327	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	3328	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3329	add_to_buffer(tmp_buffer);
		3330	break;
		3331	default:break;
		3332	}
		3333	}
		3334	break;
7614	schaersvoo	3335	default:sync_input(infile);
		3336	break;
		3337	}
8224	bpr	3338	}
7614	schaersvoo	3339	/* we are done parsing script file */
7983	schaersvoo	3340	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3341	if( found_size_command == 1 ){
		3342	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3343	}
		3344	else
		3345	{
		3346	if( found_size_command != 3 ){
8222	schaersvoo	3347	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3348	}
		3349	}
8257	schaersvoo	3350
8222	schaersvoo	3351	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3352	add_javascript_functions(js_function,canvas_root_id);
		3353	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3354	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3355	if( use_pan_and_zoom == TRUE ){
		3356	/* in case of zooming ... */
7729	schaersvoo	3357	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3358	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3359	var ymin_start=ymin;var ymax_start=xmax;\
		3360	var zoom_x_increment=0;var zoom_y_increment=0;\
		3361	var pan_x_increment=0;var pan_y_increment=0;\
		3362	if(use_ylogscale == 0 ){\
7956	schaersvoo	3363	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (ymax - ymin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
7729	schaersvoo	3364	}else{\
		3365	zoom_x_increment = (xmax - xmin)/20;\
		3366	pan_x_increment = (xmax - xmin)/20;\
		3367	};\
7653	schaersvoo	3368	function start_canvas%d(type){\
		3369	switch(type){\
7729	schaersvoo	3370	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3371	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	3372	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3373	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3374	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3375	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3376	case 6:location.reload();break;\
		3377	default:break;\
		3378	};\
		3379	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3380	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3381	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3382	%s\
		3383	};\
7797	schaersvoo	3384	start_canvas%d(333);\
7614	schaersvoo	3385	};\n\
		3386	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3387	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3388	}
		3389	else
		3390	{
		3391	/* no zoom, just add buffer */
		3392	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3393	%s\
		3394	};\n\
		3395	<!-- end wims_canvas_function -->\n\
		3396	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3397	}
7614	schaersvoo	3398	/* done writing the javascript include file */
		3399	fclose(js_include_file);
		3400
		3401	}
		3402
		3403	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3404	if(use_tooltip == TRUE){
		3405	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3406	}
		3407	exit(EXIT_SUCCESS);
		3408	}
		3409	/* end main() */
		3410
		3411	/******************************************************************************
		3412	**
		3413	** sync_input
		3414	**
		3415	** synchronises input line - reads to end of line, leaving file pointer
		3416	** at first character of next line.
		3417	**
		3418	** Used by:
		3419	** main program - error handling.
		3420	**
		3421	******************************************************************************/
		3422	void sync_input(FILE *infile)
		3423	{
		3424	int c = 0;
		3425
7658	schaersvoo	3426	if( c == '\n' \|\| c == ';' ) return;
		3427	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3428	if( c == EOF ) finished = 1;
7658	schaersvoo	3429	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3430	return;
		3431	}
		3432
		3433	/******************************************************************************/
		3434
		3435	char str_replace(const char str, const char old, const char new){
		3436	/* http://creativeandcritical.net/str-replace-c/ */
		3437	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3438	char ret, r;
		3439	const char p, q;
		3440	size_t oldlen = strlen(old);
		3441	size_t count = 0;
		3442	size_t retlen = 0;
		3443	size_t newlen = strlen(new);
		3444	if (oldlen != newlen){
		3445	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3446	count++;
		3447	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3448	}
8224	bpr	3449	}
7614	schaersvoo	3450	else
		3451	{
		3452	retlen = strlen(str);
		3453	}
8224	bpr	3454
7614	schaersvoo	3455	if ((ret = malloc(retlen + 1)) == NULL){
		3456	ret = NULL;
		3457	canvas_error("string argument is NULL");
		3458	}
		3459	else
		3460	{
		3461	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3462	size_t l = q - p;
		3463	memcpy(r, p, l);
		3464	r += l;
		3465	memcpy(r, new, newlen);
		3466	r += newlen;
		3467	}
		3468	strcpy(r, p);
		3469	}
		3470	return ret;
		3471	}
		3472
		3473	/******************************************************************************/
7848	bpr	3474
7614	schaersvoo	3475	char get_color(FILE infile , int last){
		3476	int c,i = 0,is_hex = 0;
		3477	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	3478	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3479	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3480	if( c == '#' ){
		3481	is_hex = 1;
		3482	}
		3483	if( c != ' '){
		3484	temp[i]=tolower(c);
		3485	i++;
		3486	}
		3487	}
8224	bpr	3488	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3489	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3490	if( c == EOF ){finished = 1;}
		3491	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3492	temp[i]='\0';
		3493	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3494	if( is_hex == 1 ){
		3495	char red[3], green[3], blue[3];
		3496	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3497	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3498	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3499	int r = (int) strtol(red, NULL, 16);
		3500	int g = (int) strtol(green, NULL, 16);
		3501	int b = (int) strtol(blue, NULL, 16);
		3502	string = (char *)my_newmem(12);
		3503	snprintf(string,11,"%d,%d,%d",r,g,b);
		3504	return string;
		3505	}
		3506	else
		3507	{
		3508	string = (char *)my_newmem(sizeof(temp));
		3509	snprintf(string,sizeof(temp),"%s",temp);
		3510	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		3511	if( strcmp( colors[i].name , string ) == 0 ){
		3512	return colors[i].rgb;
		3513	}
		3514	}
		3515	}
		3516	/* not found...return error */
		3517	free(string);string = NULL;
		3518	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		3519	return NULL;
		3520	}
		3521
		3522	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3523	int c,i=0;
		3524	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3525	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3526	temp[i]=c;
		3527	i++;
		3528	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3529	}
8224	bpr	3530	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3531	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3532	if( c == EOF ) {
		3533	finished = 1;
		3534	if( last != 1 ){ canvas_error("expected more arguments");}
		3535	}
		3536	temp[i]='\0';
		3537	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3538	string=(char *)my_newmem(strlen(temp));
		3539	snprintf(string,sizeof(temp),"%s",temp);
		3540	return string;
		3541	}
		3542
		3543	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3544	int c,i=0;
		3545	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3546	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3547	temp[i]=c;
		3548	i++;
		3549	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3550	}
8224	bpr	3551	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3552	if( c == '\n') { line_number++; }
7614	schaersvoo	3553	if( c == EOF ) {finished = 1;}
		3554	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3555	temp[i]='\0';
		3556	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		3557	string=(char *)my_newmem(sizeof(temp));
		3558	snprintf(string,sizeof(temp),"%s",temp);
		3559	done = TRUE;
		3560	return string;
		3561	}
		3562
		3563	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3564	int c,i=0,found_calc = 0;
		3565	double y;
		3566	char tmp[MAX_INT];
7658	schaersvoo	3567	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3568	if( c != ' ' ){
8224	bpr	3569	/*
		3570	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	3571	We will check after assert() if it's a NULL pointer...and exit program via :
		3572	canvas_error("I'm having trouble parsing your \"expression\" ");
		3573	*/
8224	bpr	3574	if( i == 0 && c == '+' ){
7614	schaersvoo	3575	continue;
8224	bpr	3576	}
7614	schaersvoo	3577	else
		3578	{
		3579	if(canvas_iscalculation(c) != 0){
		3580	found_calc = 1;
		3581	c = tolower(c);
		3582	}
		3583	tmp[i] = c;
		3584	i++;
		3585	}
		3586	}
		3587	if( i > MAX_INT - 1){canvas_error("number too large");}
		3588	}
8224	bpr	3589	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3590	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3591	if( c == EOF ){done = TRUE ; finished = 1;}
		3592	tmp[i]='\0';
		3593	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		3594	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	3595	void *f = eval_create(tmp);
7614	schaersvoo	3596	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3597	y = eval_x(f, 1);
7614	schaersvoo	3598	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3599	eval_destroy(f);
7614	schaersvoo	3600	}
		3601	else
		3602	{
		3603	y = atof(tmp);
		3604	}
		3605	return y;
		3606	}
		3607	void canvas_error(char *msg){
7748	schaersvoo	3608	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3609	finished = 1;
		3610	exit(EXIT_SUCCESS);
		3611	}
		3612
		3613
		3614	/* convert x/y coordinates to pixel */
		3615	int x2px(double x){
		3616	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3617	}
		3618
		3619	int y2px(double y){
		3620	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3621	}
		3622
		3623	double px2x(int x){
		3624	return (x*(xmax - xmin)/xsize + xmin);
		3625	}
		3626	double px2y(int y){
		3627	return (y*(ymax - ymin)/ysize + ymin);
		3628	}
		3629
		3630	void add_to_buffer(char *tmp){
		3631	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3632	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3633	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3634	if( space_left > strlen(tmp)){
		3635	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3636	}
		3637	else
		3638	{
		3639	canvas_error("buffer is too big\n");
		3640	}
		3641	tmp = NULL;free(tmp);
		3642	return;
		3643	}
		3644
		3645	void reset(){
		3646	if(use_filled == TRUE){use_filled = FALSE;}
		3647	if(use_dashed == TRUE){use_dashed = FALSE;}
		3648	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3649	onclick = 0;
7614	schaersvoo	3650	}
		3651
		3652
		3653
		3654	/* What reply format in read_canvas();
		3655
		3656	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3657	1 = x1,x2,x3,x4....x_n
		3658	y1,y2,y3,y4....y_n
		3659
		3660	x/y in pixels
		3661
		3662	2 = x1,x2,x3,x4....x_n
		3663	y1,y2,y3,y4....y_n
		3664	x/y in xrange / yrange coordinate system
		3665
		3666	3 = x1,x2,x3,x4....x_n
		3667	y1,y2,y3,y4....y_n
		3668	r1,r2,r3,r4....r_n
		3669
8224	bpr	3670	x/y in pixels
7614	schaersvoo	3671	r in pixels
		3672
		3673	4 = x1,x2,x3,x4....x_n
		3674	y1,y2,y3,y4....y_n
		3675	r1,r2,r3,r4....r_n
		3676
		3677	x/y in xrange / yrange coordinate system
		3678	r in pixels
		3679
		3680	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3681	Ay1,Ay2,Ay3,Ay4....Ay_n
		3682	Bx1,Bx2,Bx3,Bx4....Bx_n
		3683	By1,By2,By3,By4....By_n
		3684	Cx1,Cx2,Cx3,Cx4....Cx_n
		3685	Cy1,Cy2,Cy3,Cy4....Cy_n
		3686	....
		3687	Zx1,Zx2,Zx3,Zx4....Zx_n
		3688	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3689
7614	schaersvoo	3690	x/y in pixels
		3691
		3692	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3693	Ay1,Ay2,Ay3,Ay4....Ay_n
		3694	Bx1,Bx2,Bx3,Bx4....Bx_n
		3695	By1,By2,By3,By4....By_n
		3696	Cx1,Cx2,Cx3,Cx4....Cx_n
		3697	Cy1,Cy2,Cy3,Cy4....Cy_n
		3698	....
		3699	Zx1,Zx2,Zx3,Zx4....Zx_n
		3700	Zy1,Zy2,Zy3,Zy4....Zy_n
		3701
		3702	x/y in xrange / yrange coordinate system
8224	bpr	3703
7614	schaersvoo	3704	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3705
7614	schaersvoo	3706	x/y in pixels
		3707
		3708	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3709
7614	schaersvoo	3710	x/y in xrange / yrange coordinate system
		3711
8224	bpr	3712	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3713
		3714	x/y in pixels
		3715
8224	bpr	3716	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3717
		3718	x/y in xrange / yrange coordinate system
		3719
		3720	11 = Ax1,Ay1,Ax2,Ay2
		3721	Bx1,By1,Bx2,By2
		3722	Cx1,Cy1,Cx2,Cy2
		3723	Dx1,Dy1,Dx2,Dy2
		3724	......
		3725	Zx1,Zy1,Zx2,Zy2
8224	bpr	3726
7614	schaersvoo	3727	x/y in xrange / yrange coordinate system
		3728
		3729	12 = Ax1,Ay1,Ax2,Ay2
		3730	Bx1,By1,Bx2,By2
		3731	Cx1,Cy1,Cx2,Cy2
		3732	Dx1,Dy1,Dx2,Dy2
		3733	......
		3734	Zx1,Zy1,Zx2,Zy2
8224	bpr	3735
7614	schaersvoo	3736	x/y in pixels
		3737
		3738	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3739
		3740	x/y in xrange / yrange coordinate system
		3741	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3742	x/y in pixels
		3743	15 = reply from inputfields,textareas
		3744	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3745	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3746
		3747	16 = read mathml inputfields only
		3748
		3749	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3750	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3751
		3752	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3753	19 = return clicked object number (analogue to shape-library onclick)
		3754	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3755	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3756	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3757	x/y in xrange / yrange coordinate system
8224	bpr	3758	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3759	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3760	25 = return all userdrawn arcs in degrees:
		3761	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3762	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
7614	schaersvoo	3763	*/
		3764
		3765
8257	schaersvoo	3766	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3767	/* just 1 reply type allowed */
8074	schaersvoo	3768	fprintf(js_include_file,"\
		3769	\n<!-- begin set_reply_precision() -->\n\
		3770	function set_reply_precision(){\
		3771	var len = userdraw_x.length;\
		3772	var prec = %d;\
		3773	for(var p = 0 ; p < len ; p++ ){\
		3774	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3775	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3776	};\
		3777	len = userdraw_radius.length;\
		3778	if( len > 0 ){\
		3779	for(var p = 0 ; p < len ; p++ ){\
		3780	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3781	};\
		3782	};\
		3783	};",reply_precision);
7963	schaersvoo	3784
7614	schaersvoo	3785	switch(type_reply){
8224	bpr	3786	/*
7614	schaersvoo	3787	answers may have:
		3788	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3789	*/
		3790	case 1: fprintf(js_include_file,"\
8257	schaersvoo	3791	\n<!-- begin function 1 read_canvas%d() -->\n\
		3792	read_canvas%d = function(){\
7614	schaersvoo	3793	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3794	set_reply_precision();\
7614	schaersvoo	3795	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3796	var p = 0;var input_reply = new Array();\
		3797	if( document.getElementById(\"canvas_input0\")){\
		3798	var t = 0;\
		3799	while(document.getElementById(\"canvas_input\"+t)){\
		3800	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3801	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3802	p++;\
		3803	};\
		3804	t++;\
		3805	};\
		3806	};\
		3807	if( typeof userdraw_text != 'undefined' ){\
		3808	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3809	}\
		3810	else\
		3811	{\
		3812	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3813	}\
		3814	}\
		3815	else\
		3816	{\
		3817	if( typeof userdraw_text != 'undefined' ){\
		3818	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3819	}\
		3820	else\
		3821	{\
		3822	return userdraw_x+\"\\n\"+userdraw_y;\
		3823	}\
		3824	};\
8108	schaersvoo	3825	};\n\
8257	schaersvoo	3826	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3827	break;
		3828	case 2: fprintf(js_include_file,"\
8257	schaersvoo	3829	\n<!-- begin function 2 read_canvas%d() -->\n\
		3830	read_canvas%d = function(){\
7614	schaersvoo	3831	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3832	set_reply_precision();\
7614	schaersvoo	3833	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	3834	var prec = %d;\
7614	schaersvoo	3835	while(userdraw_x[p]){\
8074	schaersvoo	3836	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3837	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3838	p++;\
		3839	};\
		3840	if(p == 0){alert(\"nothing drawn...\");return;};\
		3841	if( document.getElementById(\"canvas_input0\")){\
		3842	var p = 0;var input_reply = new Array();\
		3843	if( document.getElementById(\"canvas_input0\")){\
		3844	var t = 0;\
		3845	while(document.getElementById(\"canvas_input\"+t)){\
		3846	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3847	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3848	p++;\
		3849	};\
		3850	t++;\
		3851	};\
		3852	};\
		3853	if( typeof userdraw_text != 'undefined' ){\
		3854	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3855	}\
		3856	else\
		3857	{\
		3858	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3859	}\
		3860	}\
		3861	else\
		3862	{\
		3863	if( typeof userdraw_text != 'undefined' ){\
		3864	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3865	}\
		3866	else\
		3867	{\
		3868	return reply_x+\"\\n\"+reply_y;\
		3869	};\
		3870	};\
8108	schaersvoo	3871	};\n\
8257	schaersvoo	3872	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	3873	break;
		3874	case 3: fprintf(js_include_file,"\
8257	schaersvoo	3875	\n<!-- begin function 3 read_canvas%d() -->\n\
		3876	read_canvas%d = function(){\
7614	schaersvoo	3877	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3878	set_reply_precision();\
7614	schaersvoo	3879	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3880	var p = 0;var input_reply = new Array();\
		3881	if( document.getElementById(\"canvas_input0\")){\
		3882	var t = 0;\
		3883	while(document.getElementById(\"canvas_input\"+t)){\
		3884	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3885	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3886	p++;\
		3887	};\
		3888	t++;\
		3889	};\
		3890	};\
		3891	if( typeof userdraw_text != 'undefined' ){\
		3892	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3893	}\
		3894	else\
		3895	{\
		3896	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3897	}\
		3898	}\
		3899	else\
		3900	{\
		3901	if( typeof userdraw_text != 'undefined' ){\
		3902	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3903	}\
		3904	else\
		3905	{\
		3906	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3907	}\
		3908	}\
8108	schaersvoo	3909	};\n\
8257	schaersvoo	3910	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3911	break;
		3912	case 4: fprintf(js_include_file,"\
8257	schaersvoo	3913	\n<!-- begin function 4 read_canvas%d() -->\n\
		3914	read_canvas%d = function(){\
8074	schaersvoo	3915	var prec = %d;\
7614	schaersvoo	3916	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3917	while(userdraw_x[p]){\
8074	schaersvoo	3918	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3919	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	3920	p++;\
		3921	};\
		3922	if(p == 0){alert(\"nothing drawn...\");return;};\
		3923	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3924	var p = 0;var input_reply = new Array();\
		3925	if( document.getElementById(\"canvas_input0\")){\
		3926	var t = 0;\
		3927	while(document.getElementById(\"canvas_input\"+t)){\
		3928	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3929	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3930	p++;\
		3931	};\
		3932	t++;\
		3933	};\
		3934	};\
		3935	if( typeof userdraw_text != 'undefined' ){\
		3936	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3937	}\
		3938	else\
		3939	{\
		3940	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3941	}\
		3942	}\
		3943	else\
		3944	{\
		3945	if( typeof userdraw_text != 'undefined' ){\
		3946	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3947	}\
		3948	else\
		3949	{\
		3950	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3951	}\
		3952	};\
8108	schaersvoo	3953	};\n\
8257	schaersvoo	3954	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	3955	break;
8224	bpr	3956	/*
		3957	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3958	used for userdraw multiple paths
7614	schaersvoo	3959	*/
		3960	case 5: fprintf(js_include_file,"\
8257	schaersvoo	3961	\n<!-- begin function 5 read_canvas%d() -->\n\
		3962	read_canvas%d = function(){\
8074	schaersvoo	3963	set_reply_precision();\
7614	schaersvoo	3964	var p = 0;\
		3965	var reply = \"\";\
		3966	for(p = 0; p < userdraw_x.length;p++){\
		3967	if(userdraw_x[p] != null ){\
		3968	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3969	};\
		3970	};\
		3971	if(p == 0){alert(\"nothing drawn...\");return;};\
		3972	userdraw_x = [];userdraw_y = [];\
		3973	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3974	var p = 0;var input_reply = new Array();\
		3975	if( document.getElementById(\"canvas_input0\")){\
		3976	var t = 0;\
		3977	while(document.getElementById(\"canvas_input\"+t)){\
		3978	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3979	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3980	p++;\
		3981	};\
		3982	t++;\
		3983	};\
		3984	};\
		3985	if( typeof userdraw_text != 'undefined' ){\
		3986	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3987	}\
		3988	else\
		3989	{\
		3990	return reply +\"\\n\"+input_reply;\
		3991	}\
		3992	}\
		3993	else\
		3994	{\
		3995	if( typeof userdraw_text != 'undefined' ){\
		3996	return reply+\"\\n\"+userdraw_text;\
		3997	}\
		3998	else\
		3999	{\
		4000	return reply;\
		4001	}\
		4002	};\
8108	schaersvoo	4003	};\n\
8257	schaersvoo	4004	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4005	break;
8224	bpr	4006	/*
		4007	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4008	used for userdraw multiple paths
7614	schaersvoo	4009	*/
		4010	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4011	\n<!-- begin function 6 read_canvas%d() -->\n\
		4012	read_canvas%d = function(){\
7614	schaersvoo	4013	var p = 0;\
		4014	var reply = \"\";\
		4015	var tmp_x = new Array();\
		4016	var tmp_y = new Array();\
8074	schaersvoo	4017	var prec = %d;\
7614	schaersvoo	4018	for(p = 0 ; p < userdraw_x.length; p++){\
		4019	tmp_x = userdraw_x[p];\
		4020	tmp_y = userdraw_y[p];\
		4021	if(tmp_x != null){\
		4022	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4023	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4024	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4025	};\
		4026	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4027	};\
		4028	};\
		4029	if(p == 0){alert(\"nothing drawn...\");return;};\
		4030	userdraw_x = [];userdraw_y = [];\
		4031	if( document.getElementById(\"canvas_input0\") ){\
		4032	var p = 0;var input_reply = new Array();\
		4033	if( document.getElementById(\"canvas_input0\")){\
		4034	var t = 0;\
		4035	while(document.getElementById(\"canvas_input\"+t)){\
		4036	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4037	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4038	p++;\
		4039	};\
		4040	t++;\
		4041	};\
		4042	};\
		4043	if( typeof userdraw_text != 'undefined' ){\
		4044	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4045	}\
		4046	else\
		4047	{\
		4048	return reply +\"\\n\"+input_reply;\
		4049	}\
		4050	}\
		4051	else\
		4052	{\
		4053	if( typeof userdraw_text != 'undefined' ){\
		4054	return reply +\"\\n\"+userdraw_text;\
		4055	}\
		4056	else\
		4057	{\
		4058	return reply;\
		4059	}\
		4060	};\
8108	schaersvoo	4061	};\n\
8257	schaersvoo	4062	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4063	break;
		4064	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4065	\n<!-- begin function 7 read_canvas%d() -->\n\
		4066	read_canvas%d = function(){\
8074	schaersvoo	4067	set_reply_precision();\
7614	schaersvoo	4068	var reply = new Array();\
		4069	var p = 0;\
		4070	while(userdraw_x[p]){\
		4071	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4072	p++;\
		4073	};\
		4074	if(p == 0){alert(\"nothing drawn...\");return;};\
		4075	if( document.getElementById(\"canvas_input0\") ){\
		4076	var p = 0;var input_reply = new Array();\
		4077	if( document.getElementById(\"canvas_input0\")){\
		4078	var t = 0;\
		4079	while(document.getElementById(\"canvas_input\"+t)){\
		4080	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4081	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4082	p++;\
		4083	};\
		4084	t++;\
		4085	};\
		4086	};\
		4087	if( typeof userdraw_text != 'undefined' ){\
		4088	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4089	}\
		4090	else\
		4091	{\
		4092	return reply+\"\\n\"+input_reply;\
		4093	}\
7862	schaersvoo	4094	}\
7614	schaersvoo	4095	else\
		4096	{\
		4097	if( typeof userdraw_text != 'undefined' ){\
		4098	return reply+\"\\n\"+userdraw_text;\
		4099	}\
		4100	else\
		4101	{\
		4102	return reply;\
		4103	}\
		4104	};\
8108	schaersvoo	4105	};\n\
8257	schaersvoo	4106	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4107	break;
		4108	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4109	\n<!-- begin function 8 read_canvas%d() -->\n\
		4110	read_canvas%d = function(){\
7614	schaersvoo	4111	var reply = new Array();\
		4112	var p = 0;\
8074	schaersvoo	4113	var prec = %d;\
7614	schaersvoo	4114	while(userdraw_x[p]){\
8074	schaersvoo	4115	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4116	p++;\
		4117	};\
		4118	if(p == 0){alert(\"nothing drawn...\");return;};\
		4119	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4120	var p = 0;var input_reply = new Array();\
		4121	if( document.getElementById(\"canvas_input0\")){\
		4122	var t = 0;\
		4123	while(document.getElementById(\"canvas_input\"+t)){\
		4124	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4125	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4126	p++;\
		4127	};\
		4128	t++;\
		4129	};\
		4130	};\
		4131	if( typeof userdraw_text != 'undefined' ){\
		4132	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4133	}\
		4134	else\
		4135	{\
		4136	return reply +\"\\n\"+input_reply;\
		4137	}\
		4138	}\
		4139	else\
		4140	{\
		4141	if( typeof userdraw_text != 'undefined' ){\
		4142	return reply +\"\\n\"+userdraw_text;\
		4143	}\
		4144	else\
		4145	{\
		4146	return reply;\
		4147	}\
		4148	};\
8108	schaersvoo	4149	};\n\
8257	schaersvoo	4150	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4151	break;
		4152	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4153	\n<!-- begin function 9 read_canvas%d() -->\n\
		4154	read_canvas%d = function(){\
8074	schaersvoo	4155	set_reply_precision();\
7614	schaersvoo	4156	var reply = new Array();\
		4157	var p = 0;\
		4158	while(userdraw_x[p]){\
		4159	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4160	p++;\
		4161	};\
		4162	if(p == 0){alert(\"nothing drawn...\");return;};\
		4163	if( document.getElementById(\"canvas_input0\") ){\
		4164	var p = 0;var input_reply = new Array();\
		4165	if( document.getElementById(\"canvas_input0\")){\
		4166	var t = 0;\
		4167	while(document.getElementById(\"canvas_input\"+t)){\
		4168	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4169	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4170	p++;\
		4171	};\
		4172	t++;\
		4173	};\
		4174	};\
		4175	if( typeof userdraw_text != 'undefined' ){\
		4176	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4177	}\
		4178	else\
		4179	{\
		4180	return reply +\"\\n\"+input_reply;\
		4181	}\
		4182	}\
		4183	else\
		4184	{\
		4185	if( typeof userdraw_text != 'undefined' ){\
		4186	return reply +\"\\n\"+userdraw_text;\
		4187	}\
		4188	else\
		4189	{\
		4190	return reply;\
		4191	}\
		4192	};\
8108	schaersvoo	4193	};\n\
8257	schaersvoo	4194	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4195	break;
		4196	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4197	\n<!-- begin function 10 read_canvas%d() -->\n\
		4198	read_canvas%d = function(){\
7614	schaersvoo	4199	var reply = new Array();\
		4200	var p = 0;\
8074	schaersvoo	4201	var prec = %d;\
7614	schaersvoo	4202	while(userdraw_x[p]){\
8074	schaersvoo	4203	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\":\" + (Math.round(prec*userdraw_radius[p]))/prec;\
7614	schaersvoo	4204	p++;\
		4205	};\
		4206	if(p == 0){alert(\"nothing drawn...\");return;};\
		4207	if( document.getElementById(\"canvas_input0\") ){\
		4208	var p = 0;var input_reply = new Array();\
		4209	if( document.getElementById(\"canvas_input0\")){\
		4210	var t = 0;\
		4211	while(document.getElementById(\"canvas_input\"+t)){\
		4212	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4213	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4214	p++;\
		4215	};\
		4216	t++;\
		4217	};\
		4218	};\
		4219	if( typeof userdraw_text != 'undefined' ){\
		4220	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4221	}\
		4222	else\
		4223	{\
		4224	return reply +\"\\n\"+input_reply;\
		4225	}\
		4226	}\
		4227	else\
		4228	{\
		4229	if( typeof userdraw_text != 'undefined' ){\
		4230	return reply +\"\\n\"+userdraw_text;\
		4231	}\
		4232	else\
		4233	{\
		4234	return reply;\
		4235	}\
		4236	};\
8108	schaersvoo	4237	};\n\
8257	schaersvoo	4238	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4239	break;
		4240	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4241	\n<!-- begin function 11 read_canvas%d() -->\n\
		4242	read_canvas%d = function(){\
7614	schaersvoo	4243	var reply = \"\";\
		4244	var p = 0;\
8074	schaersvoo	4245	var prec = %d;\
7614	schaersvoo	4246	while(userdraw_x[p]){\
8074	schaersvoo	4247	reply = reply + (Math.round(prec(px2x(userdraw_x[p]))))/prec +\",\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\",\" + (Math.round(prec(px2x(userdraw_x[p+1]))))/prec +\",\" + (Math.round(prec(px2y(userdraw_y[p+1]))))/prec +\"\\n\" ;\
7614	schaersvoo	4248	p = p+2;\
		4249	};\
		4250	if(p == 0){alert(\"nothing drawn...\");return;};\
		4251	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4252	var p = 0;var input_reply = new Array();\
		4253	if( document.getElementById(\"canvas_input0\")){\
		4254	var t = 0;\
		4255	while(document.getElementById(\"canvas_input\"+t)){\
		4256	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4257	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4258	p++;\
		4259	};\
		4260	t++;\
		4261	};\
		4262	};\
		4263	if( typeof userdraw_text != 'undefined' ){\
		4264	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4265	}\
		4266	else\
		4267	{\
		4268	return reply +\"\\n\"+input_reply;\
		4269	}\
		4270	}\
		4271	else\
		4272	{\
		4273	if( typeof userdraw_text != 'undefined' ){\
		4274	return reply +\"\\n\"+userdraw_text;\
		4275	}\
		4276	else\
		4277	{\
		4278	return reply;\
		4279	}\
		4280	};\
8108	schaersvoo	4281	};\n\
8257	schaersvoo	4282	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4283	break;
		4284	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4285	\n<!-- begin function 12 read_canvas%d() -->\n\
		4286	read_canvas%d = function(){\
8074	schaersvoo	4287	set_reply_precision();\
7614	schaersvoo	4288	var reply = \"\";\
		4289	var p = 0;\
		4290	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4291	if(userdraw_x[p] != null){\
		4292	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4293	};\
		4294	};\
		4295	if(p == 0){alert(\"nothing drawn...\");return;};\
		4296	if( document.getElementById(\"canvas_input0\") ){\
		4297	var p = 0;var input_reply = new Array();\
		4298	if( document.getElementById(\"canvas_input0\")){\
		4299	var t = 0;\
		4300	while(document.getElementById(\"canvas_input\"+t)){\
		4301	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4302	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4303	p++;\
		4304	};\
		4305	t++;\
		4306	};\
		4307	};\
		4308	if( typeof userdraw_text != 'undefined' ){\
		4309	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4310	}\
		4311	else\
		4312	{\
		4313	return reply +\"\\n\"+input_reply;\
		4314	}\
		4315	}\
		4316	else\
		4317	{\
		4318	if( typeof userdraw_text != 'undefined' ){\
		4319	return reply +\"\\n\"+userdraw_text\
		4320	}\
		4321	else\
		4322	{\
		4323	return reply;\
		4324	}\
		4325	};\
8108	schaersvoo	4326	};\n\
8257	schaersvoo	4327	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4328	break;
		4329	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4330	\n<!-- begin function 13 read_canvas%d() -->\n\
		4331	read_canvas%d = function(){\
7614	schaersvoo	4332	var reply = new Array();\
		4333	var p = 0;var i = 0;\
8074	schaersvoo	4334	var prec = %d;\
7614	schaersvoo	4335	while(userdraw_x[p]){\
8074	schaersvoo	4336	reply[i] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec +\":\" + (Math.round(prec(px2x(userdraw_x[p+1]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p+1]))))/prec;\
7614	schaersvoo	4337	p = p+2;i++;\
		4338	};\
		4339	if(p == 0){alert(\"nothing drawn...\");return;};\
		4340	if( document.getElementById(\"canvas_input0\") ){\
		4341	var p = 0;var input_reply = new Array();\
		4342	if( document.getElementById(\"canvas_input0\")){\
		4343	var t = 0;\
		4344	while(document.getElementById(\"canvas_input\"+t)){\
		4345	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4346	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4347	p++;\
		4348	};\
		4349	t++;\
		4350	};\
		4351	};\
		4352	if( typeof userdraw_text != 'undefined' ){\
		4353	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4354	}\
		4355	else\
		4356	{\
		4357	return reply +\"\\n\"+input_reply;\
		4358	}\
		4359	}\
		4360	else\
		4361	{\
		4362	if( typeof userdraw_text != 'undefined' ){\
		4363	return reply +\"\\n\"+userdraw_text\
		4364	}\
		4365	else\
		4366	{\
		4367	return reply;\
		4368	}\
		4369	};\
8108	schaersvoo	4370	};\n\
8257	schaersvoo	4371	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4372	break;
		4373	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4374	\n<!-- begin function 14 read_canvas%d() -->\n\
		4375	read_canvas%d = function(){\
8074	schaersvoo	4376	set_reply_precision();\
7614	schaersvoo	4377	var reply = new Array();\
		4378	var p = 0;var i = 0;\
		4379	while(userdraw_x[p]){\
		4380	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4381	p = p+2;i++;\
		4382	};\
		4383	if(p == 0){alert(\"nothing drawn...\");return;};\
		4384	if( document.getElementById(\"canvas_input0\") ){\
		4385	var p = 0;var input_reply = new Array();\
		4386	if( document.getElementById(\"canvas_input0\")){\
		4387	var t = 0;\
		4388	while(document.getElementById(\"canvas_input\"+t)){\
		4389	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4390	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4391	p++;\
		4392	};\
		4393	t++;\
		4394	};\
		4395	};\
		4396	if( typeof userdraw_text != 'undefined' ){\
		4397	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4398	}\
		4399	else\
		4400	{\
		4401	return reply +\"\\n\"+input_reply;\
		4402	}\
		4403	}\
		4404	else\
		4405	{\
		4406	if( typeof userdraw_text != 'undefined' ){\
		4407	return reply +\"\\n\"+userdraw_text;\
		4408	}\
		4409	else\
		4410	{\
		4411	return reply;\
		4412	}\
		4413	};\
8108	schaersvoo	4414	};\n\
8257	schaersvoo	4415	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4416	break;
		4417	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4418	\n<!-- begin function 15 read_canvas%d() -->\n\
		4419	read_canvas%d = function(){\
7614	schaersvoo	4420	var input_reply = new Array();\
		4421	var p = 0;\
		4422	if( document.getElementById(\"canvas_input0\")){\
		4423	var t = 0;\
		4424	while(document.getElementById(\"canvas_input\"+t)){\
		4425	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4426	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4427	p++;\
		4428	};\
		4429	t++;\
		4430	};\
		4431	};\
		4432	if( typeof userdraw_text != 'undefined' ){\
		4433	return input_reply +\"\\n\"+userdraw_text;\
		4434	}\
		4435	else\
		4436	{\
		4437	return input_reply;\
		4438	};\
8108	schaersvoo	4439	};\n\
8257	schaersvoo	4440	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4441	break;
		4442	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4443	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4444	function read_mathml(){\
		4445	var reply = new Array();\
		4446	var p = 0;\
		4447	if( document.getElementById(\"mathml0\")){\
		4448	while(document.getElementById(\"mathml\"+p)){\
		4449	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4450	p++;\
		4451	};\
		4452	};\
		4453	return reply;\
		4454	};\
		4455	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4456	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4457	break;
		4458	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4459	\n<!-- begin function 17 read_canvas%d() -->\n\
		4460	read_canvas%d = function(){\
7614	schaersvoo	4461	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4462	return userdraw_text;\
8108	schaersvoo	4463	};\n\
8257	schaersvoo	4464	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4465	break;
		4466	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4467	\n<!-- begin function 18 read_canvas%d() -->\n\
		4468	read_canvas%d = function(){\
7614	schaersvoo	4469	var p = 0;\
		4470	var reply = new Array();\
		4471	var name;\
		4472	var t = true;\
8000	schaersvoo	4473	var h;var m;var s;\
7614	schaersvoo	4474	while(t){\
8000	schaersvoo	4475	try{\
		4476	name = eval('clocks'+p);\
		4477	h = name.H;m = name.M;s = name.S;\
		4478	if(s < 0){s = 60 + s;m = m - 1;};\
		4479	if(m < 0){m = 60 + m;h = h - 1;};\
		4480	if(h < 0){h = 12 + h;};\
		4481	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4482	reply[p] = h+\":\"+m+\":\"+s;\
		4483	p++;\
		4484	}catch(e){t=false;};\
7614	schaersvoo	4485	};\
8000	schaersvoo	4486	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4487	return reply;\
8108	schaersvoo	4488	};\n\
8257	schaersvoo	4489	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4490	break;
		4491	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4492	\n<!-- begin function 19 read_canvas%d() -->\n\
		4493	read_canvas%d = function(){\
7614	schaersvoo	4494	return reply[0];\
8108	schaersvoo	4495	};\n\
8257	schaersvoo	4496	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4497	break;
7614	schaersvoo	4498	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4499	\n<!-- begin function 20 read_canvas%d() -->\n\
		4500	read_canvas%d = function(){\
8074	schaersvoo	4501	var prec = %d;\
7614	schaersvoo	4502	var len = ext_drag_images.length;\
		4503	var reply = new Array(len);\
		4504	for(var p = 0 ; p < len ; p++){\
		4505	var img = ext_drag_images[p];\
8074	schaersvoo	4506	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4507	};\
		4508	return reply;\
8108	schaersvoo	4509	};\n\
8257	schaersvoo	4510	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4511	break;
		4512	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4513	\n<!-- begin function 21 read_canvas%d() -->\n\
		4514	read_canvas%d = function(){\
7614	schaersvoo	4515	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4516	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4517	var prec = %d;\
7614	schaersvoo	4518	while(userdraw_x[p]){\
8074	schaersvoo	4519	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4520	p++;\
		4521	};\
		4522	if(p == 0){alert(\"nothing drawn...\");return;};\
		4523	if( document.getElementById(\"canvas_input0\") ){\
		4524	var p = 0;var input_reply = new Array();\
		4525	if( document.getElementById(\"canvas_input0\")){\
		4526	var t = 0;\
		4527	while(document.getElementById(\"canvas_input\"+t)){\
		4528	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4529	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4530	p++;\
		4531	};\
		4532	t++;\
		4533	};\
		4534	};\
		4535	if( typeof userdraw_text != 'undefined' ){\
		4536	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4537	}\
		4538	else\
		4539	{\
		4540	return reply_coord+\"\\n\"+input_reply;\
		4541	}\
		4542	}\
		4543	else\
		4544	{\
		4545	if( typeof userdraw_text != 'undefined' ){\
		4546	return reply_coord+\"\\n\"+userdraw_text;\
		4547	}\
		4548	else\
		4549	{\
		4550	return reply_coord;\
		4551	};\
		4552	};\
8108	schaersvoo	4553	};\n\
8257	schaersvoo	4554	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4555	break;
		4556	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4557	\n<!-- begin function 22 read_canvas%d() -->\n\
		4558	read_canvas%d = function(){\
7614	schaersvoo	4559	var reply = new Array();\
7963	schaersvoo	4560	var lu = userdraw_x.length;\
		4561	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4562	var idx = 0;\
8074	schaersvoo	4563	var prec = %d;\
7963	schaersvoo	4564	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4565	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4566	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4567	};\
		4568	if( document.getElementById(\"canvas_input0\") ){\
		4569	var p = 0;var input_reply = new Array();\
		4570	if( document.getElementById(\"canvas_input0\")){\
		4571	var t = 0;\
		4572	while(document.getElementById(\"canvas_input\"+t)){\
		4573	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4574	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4575	p++;\
		4576	};\
		4577	t++;\
		4578	};\
		4579	};\
		4580	if( typeof userdraw_text != 'undefined' ){\
		4581	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4582	}\
		4583	else\
		4584	{\
		4585	return reply +\"\\n\"+input_reply;\
		4586	}\
		4587	}\
		4588	else\
		4589	{\
		4590	if( typeof userdraw_text != 'undefined' ){\
		4591	return reply +\"\\n\"+userdraw_text;\
		4592	}\
		4593	else\
		4594	{\
		4595	return reply;\
		4596	}\
		4597	};\
8108	schaersvoo	4598	};\n\
8257	schaersvoo	4599	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4600	break;
7782	schaersvoo	4601	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4602	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4603	read_canvas%d = function(){\
7782	schaersvoo	4604	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4605	var lu = userdraw_x.length;\
		4606	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4607	var reply_x = new Array();var reply_y = new Array();\
		4608	var marge = 5;var p = 0;\
8074	schaersvoo	4609	var prec = %d;\
7782	schaersvoo	4610	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4611	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4612	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4613	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4614	p++;\
7782	schaersvoo	4615	};\
8074	schaersvoo	4616	reply_x[p] = (Math.round(prec(px2x(userdraw_x[lu-1]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[lu-1]))))/prec;\
7782	schaersvoo	4617	};\
		4618	if( document.getElementById(\"canvas_input0\")){\
		4619	var p = 0;var input_reply = new Array();\
		4620	if( document.getElementById(\"canvas_input0\")){\
		4621	var t = 0;\
		4622	while(document.getElementById(\"canvas_input\"+t)){\
		4623	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4624	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4625	p++;\
		4626	};\
		4627	t++;\
		4628	};\
		4629	};\
		4630	if( typeof userdraw_text != 'undefined' ){\
		4631	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4632	}\
		4633	else\
		4634	{\
		4635	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4636	}\
		4637	}\
		4638	else\
		4639	{\
		4640	if( typeof userdraw_text != 'undefined' ){\
		4641	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4642	}\
		4643	else\
		4644	{\
		4645	return reply_x+\"\\n\"+reply_y;\
		4646	};\
		4647	};\
8108	schaersvoo	4648	};\n\
8257	schaersvoo	4649	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4650	break;
7984	schaersvoo	4651	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4652	<!-- begin function 24 read_canvas%d() -->\n\
		4653	read_canvas%d = function(){\
7984	schaersvoo	4654	var input_reply = new Array();\
		4655	var p = 0;\
		4656	if( document.getElementById(\"canvas_input0\")){\
		4657	while(document.getElementById(\"canvas_input\"+p)){\
		4658	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4659	p++;\
		4660	};\
		4661	return input_reply;\
		4662	};\
8108	schaersvoo	4663	};\n\
8257	schaersvoo	4664	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4665	break;
8083	schaersvoo	4666	case 25:
8257	schaersvoo	4667	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4668	read_canvas%d = function(){\
8083	schaersvoo	4669	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4670	var lu = userdraw_radius.length;\
		4671	var prec = %d;\
		4672	var angle_reply = new Array(lu);\
		4673	for(var p = 0 ; p < lu ; p++){\
		4674	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4675	};\
		4676	return angle_reply;\
8108	schaersvoo	4677	};\n\
8257	schaersvoo	4678	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4679	break;
		4680	case 26:
8257	schaersvoo	4681	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4682	read_canvas%d = function(){\
8083	schaersvoo	4683	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4684	var lu = userdraw_radius.length;\
		4685	var prec = %d;\
		4686	var angle_reply = new Array(lu);\
		4687	for(var p = 0 ; p < lu ; p++){\
		4688	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4689	};\
		4690	return angle_reply;\
8108	schaersvoo	4691	};\n\
8257	schaersvoo	4692	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4693	break;
8127	schaersvoo	4694	case 27:
8257	schaersvoo	4695	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4696	read_canvas%d = function(){\
8127	schaersvoo	4697	var lu = userdraw_x.length;\
		4698	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4699	set_reply_precision();\
		4700	var prec = %d;\
		4701	for(var p = 0 ; p < lu ; p++){\
		4702	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4703	};\
		4704	return reply;\
		4705	};\n\
8257	schaersvoo	4706	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4707	break;
7614	schaersvoo	4708	default: canvas_error("hmmm unknown replyformat...");break;
		4709	}
		4710	return;
		4711	}
		4712
		4713
8224	bpr	4714	/*
		4715	add drawfunction :
7614	schaersvoo	4716	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4717	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4718	- grid / mathml
		4719	- will not scale or zoom in
		4720	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4721	- is printed directly into 'js_include_file'
7614	schaersvoo	4722	*/
		4723
		4724	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4725	int i;
		4726	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4727	if( js_functions[i] == 1){
		4728	switch(i){
		4729	case DRAG_EXTERNAL_IMAGE:
		4730	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4731	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4732	var external_ctx = external_canvas.getContext(\"2d\");\
		4733	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4734	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4735	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4736	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4737	var selected_image = null;\
		4738	var ext_image_cnt = 0;\
		4739	var ext_drag_images = new Array();\
		4740	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4741	ext_image_cnt = idx;\
		4742	var image = new Image();\
		4743	image.src = URL;\
		4744	image.onload = function(){\
		4745	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4746	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4747	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4748	var img = new Array(10);\
7653	schaersvoo	4749	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4750	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4751	ext_drag_images[idx] = img;\
		4752	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4753	};\
		4754	};\
		4755	function dragstop(evt){\
		4756	selected_image = null;return;\
		4757	};\
		4758	function dragxy(evt){\
		4759	if( selected_image != null ){\
		4760	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4761	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4762	var s_img = ext_drag_images[selected_image];\
		4763	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4764	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4765	ext_drag_images[selected_image] = s_img;\
		4766	external_ctx.clearRect(0,0,xsize,ysize);\
		4767	for(var i = 0; i <= ext_image_cnt ; i++){\
		4768	var img = ext_drag_images[i];\
		4769	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4770	};\
		4771	};\
		4772	};\
		4773	function setxy(evt){\
		4774	if( ! selected_image && evt.which == 1 ){\
		4775	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4776	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4777	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4778	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4779	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4780	var img = ext_drag_images[p];\
		4781	if( img[0] == 1 ){\
		4782	var w = img.width;\
		4783	var h = img.height;\
		4784	if( xm > img[6] && xm < img[6] + img[4]){\
		4785	if( ym > img[7] && ym < img[7] + img[5]){\
		4786	img[6] = xm;\
		4787	img[7] = ym;\
		4788	ext_drag_images[p] = img;\
		4789	selected_image = p;\
		4790	dragxy(evt);\
		4791	};\
		4792	};\
		4793	};\
		4794	};\
		4795	}\
		4796	else\
		4797	{\
		4798	selected_image = null;\
		4799	};\
7614	schaersvoo	4800	};",canvas_root_id);
		4801	break;
		4802
		4803	case DRAW_EXTERNAL_IMAGE:
		4804	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	4805	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	4806	var image = new Image();\
		4807	image.src = URL;\
		4808	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4809	image.onload = function(){\
		4810	if( x0 < 1 ){ x0 = 0; };\
		4811	if( y0 < 1 ){ y0 = 0; };\
		4812	if( sx < 1 ){ sx = 0; };\
		4813	if( sy < 1 ){ sy = 0; };\
		4814	if( width < 1 ){ width = image.width;};\
		4815	if( height < 1 ){ height = image.height;};\
		4816	if( swidth < 1 ){ swidth = image.width;};\
		4817	if( sheight < 1 ){ sheight = image.height;};\
		4818	var ml = x0 - sx;\
		4819	var mh = y0 - sy;\
		4820	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4821	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4822	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4823	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4824	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4825	};\
8224	bpr	4826	};",canvas_root_id);
7614	schaersvoo	4827	break;
		4828	case DRAW_GRIDFILL:/* not used for userdraw */
		4829	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	4830	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	4831	var obj;\
		4832	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4833	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4834	}\
		4835	else\
		4836	{\
		4837	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4838	};\
		4839	var ctx = obj.getContext(\"2d\");\
		4840	var x,y;\
7883	schaersvoo	4841	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4842	ctx.save();\
		4843	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4844	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4845	ctx.moveTo(x,y0);\
		4846	ctx.lineTo(x,ysize);\
		4847	};\
7645	schaersvoo	4848	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4849	ctx.moveTo(x0,y);\
		4850	ctx.lineTo(xsize,y);\
		4851	};\
		4852	ctx.stroke();\
		4853	ctx.restore();\
7653	schaersvoo	4854	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4855	break;
8224	bpr	4856
7614	schaersvoo	4857	case DRAW_IMAGEFILL:/* not used for userdraw */
		4858	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	4859	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	4860	var obj;\
		4861	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4862	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4863	}\
		4864	else\
		4865	{\
		4866	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4867	};\
		4868	var ctx = obj.getContext(\"2d\");\
		4869	ctx.save();\
		4870	var img = new Image();\
		4871	img.src = URL;\
		4872	img.onload = function(){\
		4873	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4874	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4875	}\
		4876	else\
		4877	{\
		4878	var repeat = \"repeat\";\
		4879	if(img.width > xsize - x0){\
		4880	repeat = \"repeat-y\";\
		4881	}\
		4882	else\
		4883	{\
		4884	if( img.height > ysize -x0 ){\
		4885	repeat = \"repeat-x\";\
		4886	}\
		4887	}\
		4888	var pattern = ctx.createPattern(img,repeat);\
		4889	ctx.rect(x0,y0,xsize,ysize);\
		4890	ctx.fillStyle = pattern;\
		4891	}\
		4892	ctx.fill();\
		4893	};\
		4894	ctx.restore();\
		4895	return;\
7653	schaersvoo	4896	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4897	break;
8224	bpr	4898
7614	schaersvoo	4899	case DRAW_DOTFILL:/* not used for userdraw */
		4900	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	4901	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	4902	var obj;\
		4903	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4904	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4905	}\
		4906	else\
		4907	{\
		4908	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4909	};\
		4910	var ctx = obj.getContext(\"2d\");\
		4911	var x,y;\
		4912	ctx.closePath();\
		4913	ctx.save();\
7645	schaersvoo	4914	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4915	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4916	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4917	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4918	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4919	ctx.closePath();\
		4920	}\
		4921	}\
		4922	ctx.fill();\
		4923	ctx.restore();\
7653	schaersvoo	4924	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4925	break;
7645	schaersvoo	4926
7647	schaersvoo	4927	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4928	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	4929	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4930	var obj;\
		4931	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4932	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4933	}\
		4934	else\
		4935	{\
		4936	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4937	};\
		4938	var ctx = obj.getContext(\"2d\");\
		4939	var x;\
		4940	var y;\
		4941	ctx.save();\
		4942	ctx.lineWidth = linewidth;\
		4943	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4944	y = ysize;\
		4945	for( x = x0 ; x < xsize ; x = x + dx ){\
		4946	ctx.moveTo(x,y0);\
		4947	ctx.lineTo(xsize,y);\
		4948	y = y - dy;\
		4949	};\
		4950	y = y0;\
		4951	for( x = xsize ; x > 0 ; x = x - dx){\
		4952	ctx.moveTo(x,ysize);\
		4953	ctx.lineTo(x0,y);\
		4954	y = y + dy;\
		4955	};\
		4956	x = x0;\
		4957	for( y = y0 ; y < ysize ; y = y + dy ){\
		4958	ctx.moveTo(xsize,y);\
		4959	ctx.lineTo(x,ysize);\
		4960	x = x + dx;\
		4961	};\
		4962	x = xsize;\
		4963	for( y = ysize ; y > y0 ; y = y - dy ){\
		4964	ctx.moveTo(x,y0);\
		4965	ctx.lineTo(x0,y);\
		4966	x = x - dx;\
		4967	};\
		4968	ctx.stroke();\
		4969	ctx.restore();\
		4970	return;\
7653	schaersvoo	4971	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4972	break;
8224	bpr	4973
7647	schaersvoo	4974	case DRAW_HATCHFILL:/* not used for userdraw */
		4975	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	4976	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	4977	var obj;\
		4978	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4979	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4980	}\
		4981	else\
		4982	{\
		4983	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4984	};\
		4985	var ctx = obj.getContext(\"2d\");\
		4986	var x;\
		4987	var y;\
		4988	ctx.save();\
		4989	ctx.lineWidth = linewidth;\
		4990	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4991	y = ysize;\
		4992	for( x = x0 ; x < xsize ; x = x + dx ){\
		4993	ctx.moveTo(x,y0);\
		4994	ctx.lineTo(xsize,y);\
		4995	y = y - dy;\
		4996	};\
		4997	y = y0;\
		4998	for( x = xsize ; x >= dx ; x = x - dx){\
		4999	ctx.moveTo(x,ysize);\
		5000	ctx.lineTo(x0,y);\
		5001	y = y + dy;\
		5002	};\
		5003	ctx.stroke();\
		5004	ctx.restore();\
		5005	return;\
7653	schaersvoo	5006	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5007	break;
7614	schaersvoo	5008	case DRAW_CIRCLES:/* used for userdraw */
		5009	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5010	var 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_affine,affine_matrix){\
7614	schaersvoo	5011	ctx.save();\
8071	schaersvoo	5012	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5013	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5014	ctx.lineWidth = line_width;\
		5015	for(var p = 0 ; p < x_points.length ; p++ ){\
		5016	ctx.beginPath();\
		5017	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5018	ctx.closePath();\
		5019	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5020	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5021	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5022	ctx.stroke();\
		5023	}\
		5024	ctx.restore();\
		5025	return;\
7653	schaersvoo	5026	};");
7614	schaersvoo	5027	break;
7663	schaersvoo	5028	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5029	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5030	var draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7663	schaersvoo	5031	ctx.save();\
8071	schaersvoo	5032	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5033	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5034	ctx.lineWidth = line_width;\
		5035	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5036	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5037	ctx.clearRect(0,0,xsize,ysize);\
		5038	ctx.beginPath();\
		5039	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5040	ctx.moveTo(x_points[p],y_points[p]);\
		5041	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5042	}\
		5043	ctx.closePath();\
		5044	ctx.stroke();\
		5045	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5046	for(var p = 0 ; p < x_points.length ; p++ ){\
		5047	ctx.beginPath();\
		5048	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5049	ctx.closePath();ctx.fill();ctx.stroke();\
		5050	};\
		5051	ctx.restore();\
		5052	return;\
		5053	};");
		5054	break;
8224	bpr	5055
7614	schaersvoo	5056	case DRAW_SEGMENTS:/* used for userdraw */
		5057	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5058	var draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	5059	ctx.save();\
8071	schaersvoo	5060	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5061	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5062	ctx.lineWidth = line_width;\
		5063	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5064	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5065	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5066	ctx.beginPath();\
		5067	ctx.moveTo(x_points[p],y_points[p]);\
		5068	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5069	ctx.closePath();\
		5070	ctx.stroke();\
		5071	}\
		5072	ctx.restore();\
		5073	return;\
		5074	};");
		5075	break;
8224	bpr	5076
7614	schaersvoo	5077	case DRAW_LINES:/* used for userdraw */
		5078	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5079	function calc_line(x1,x2,y1,y2){\
		5080	var marge = 2;\
		5081	if(x1 < x2+marge && x1>x2-marge){\
		5082	return [x1,0,x1,ysize];\
		5083	};\
		5084	if(y1 < y2+marge && y1>y2-marge){\
		5085	return [0,y1,xsize,y1];\
		5086	};\
		5087	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5088	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5089	return [0,Y1,xsize,Y2];\
		5090	};\
8105	schaersvoo	5091	var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	5092	ctx.save();\
		5093	var line = new Array(4);\
8071	schaersvoo	5094	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5095	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5096	ctx.lineWidth = line_width;\
		5097	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5098	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5099	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5100	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5101	ctx.beginPath();\
		5102	ctx.moveTo(line[0],line[1]);\
		5103	ctx.lineTo(line[2],line[3]);\
		5104	ctx.closePath();\
		5105	ctx.stroke();\
		5106	}\
		5107	ctx.restore();\
		5108	return;\
		5109	};");
		5110	break;
		5111
8244	schaersvoo	5112	case DRAW_DEMILINES:/* used for userdraw */
		5113	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5114	function find_inf_point(x1,y1,x2,y2){\
		5115	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5116	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5117	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5118	};\
		5119	var draw_demilines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
		5120	ctx.save();\
		5121	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5122	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5123	ctx.lineWidth = line_width;\
		5124	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5125	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5126	var pair = new Array(4);\
		5127	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5128	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5129	ctx.beginPath();\
		5130	ctx.moveTo(pair[0],pair[1]);\
		5131	ctx.lineTo(pair[2],pair[3]);\
		5132	ctx.closePath();\
		5133	ctx.stroke();\
		5134	}\
		5135	ctx.restore();\
		5136	return;\
		5137	};");
		5138	break;
		5139
7614	schaersvoo	5140	case DRAW_CROSSHAIRS:/* used for userdraw */
		5141	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5142	var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_affine,affine_matrix){\
8071	schaersvoo	5143	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5144	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5145	ctx.lineWidth = line_width;\
		5146	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5147	var x1,x2,y1,y2;\
		5148	for(var p = 0 ; p < x_points.length ; p++ ){\
		5149	x1 = x_points[p] - crosshair_size;\
		5150	x2 = x_points[p] + crosshair_size;\
		5151	y1 = y_points[p] - crosshair_size;\
		5152	y2 = y_points[p] + crosshair_size;\
		5153	ctx.beginPath();\
		5154	ctx.moveTo(x1,y1);\
		5155	ctx.lineTo(x2,y2);\
		5156	ctx.closePath();\
		5157	ctx.stroke();\
		5158	ctx.beginPath();\
		5159	ctx.moveTo(x2,y1);\
		5160	ctx.lineTo(x1,y2);\
		5161	ctx.closePath();\
		5162	ctx.stroke();\
		5163	}\
		5164	ctx.restore();\
		5165	return;\
7653	schaersvoo	5166	};");
7614	schaersvoo	5167	break;
		5168
		5169	case DRAW_RECTS:/* used for userdraw */
		5170	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5171	var 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_affine,affine_matrix){\
7614	schaersvoo	5172	ctx.save();\
8071	schaersvoo	5173	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5174	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5175	ctx.lineWidth = line_width;\
		5176	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5177	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5178	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5179	ctx.beginPath();\
		5180	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5181	ctx.closePath();\
		5182	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5183	ctx.stroke();\
		5184	};\
		5185	ctx.restore();\
		5186	return;\
7653	schaersvoo	5187	};");
7614	schaersvoo	5188	break;
		5189
		5190	case DRAW_ROUNDRECTS:/* used for userdraw */
		5191	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5192	var 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_affine,affine_matrix){\
7614	schaersvoo	5193	ctx.save();\
8071	schaersvoo	5194	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5195	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5196	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5197	var x,y,w,h,r;\
		5198	for(var p = 0; p < x_points.length; p = p+2){\
		5199	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);\
		5200	ctx.beginPath();ctx.moveTo(x + r, y);\
		5201	ctx.lineTo(x + w - r, y);\
		5202	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5203	ctx.lineTo(x + w, y + h - r);\
		5204	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5205	ctx.lineTo(x + r, y + h);\
		5206	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5207	ctx.lineTo(x, y + r);\
		5208	ctx.quadraticCurveTo(x, y, x + r, y);\
		5209	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5210	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5211	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5212	ctx.stroke();\
		5213	}\
		5214	ctx.restore();\
7653	schaersvoo	5215	};");
8224	bpr	5216	break;
7614	schaersvoo	5217
		5218	case DRAW_ELLIPSES:/* not used for userdraw */
		5219	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5220	var 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_affine,affine_matrix){\
7614	schaersvoo	5221	var obj;\
		5222	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5223	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5224	}\
		5225	else\
		5226	{\
		5227	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5228	};\
		5229	var ctx = obj.getContext(\"2d\");\
		5230	ctx.save();\
8071	schaersvoo	5231	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5232	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5233	var cx,cy,ry,rx;\
		5234	ctx.lineWidth = line_width;\
		5235	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5236	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5237	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5238	for(var p=0;p< x_points.length;p = p+2){\
		5239	ctx.beginPath();\
		5240	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5241	ctx.translate(cx - rx, cy - ry);\
		5242	ctx.scale(rx, ry);\
		5243	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5244	if( use_filled == 1 ){ctx.fill();}\
		5245	ctx.stroke();\
		5246	};\
		5247	ctx.restore();\
7653	schaersvoo	5248	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5249	break;
		5250
		5251	case DRAW_PATHS: /* used for userdraw */
		5252	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5253	var 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_affine,affine_matrix){\
7614	schaersvoo	5254	ctx.save();\
8071	schaersvoo	5255	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5256	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5257	ctx.lineWidth = line_width;\
		5258	ctx.lineJoin = \"round\";\
		5259	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5260	ctx.beginPath();\
		5261	ctx.moveTo(x_points[0],y_points[0]);\
		5262	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5263	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5264	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5265	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5266	ctx.stroke();\
		5267	ctx.restore();\
		5268	return;\
		5269	};");
8224	bpr	5270
7614	schaersvoo	5271	break;
		5272	case DRAW_ARROWS:/* used for userdraw */
		5273	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5274	var 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_affine,affine_matrix){\
7614	schaersvoo	5275	ctx.save();\
8071	schaersvoo	5276	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5277	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5278	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5279	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5280	ctx.lineWidth = line_width;\
		5281	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5282	ctx.lineCap = \"round\";\
		5283	var x1,y1,x2,y2,dx,dy,len;\
		5284	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5285	ctx.save();\
7614	schaersvoo	5286	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5287	len = Math.sqrt(dxdx+dydy);\
		5288	ctx.translate(x2,y2);\
		5289	ctx.rotate(Math.atan2(dy,dx));\
		5290	ctx.lineCap = \"round\";\
		5291	ctx.beginPath();\
		5292	ctx.moveTo(0,0);\
		5293	ctx.lineTo(-len,0);\
		5294	ctx.closePath();\
		5295	ctx.stroke();\
		5296	ctx.beginPath();\
		5297	ctx.moveTo(0,0);\
		5298	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5299	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5300	ctx.closePath();\
		5301	ctx.fill();\
7874	schaersvoo	5302	ctx.restore();\
7614	schaersvoo	5303	if( type == 2 ){\
		5304	ctx.save();\
		5305	ctx.translate(x1,y1);\
		5306	ctx.rotate(Math.atan2(-dy,-dx));\
		5307	ctx.beginPath();\
		5308	ctx.moveTo(0,0);\
		5309	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5310	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5311	ctx.closePath();\
		5312	ctx.stroke();\
		5313	ctx.fill();\
7874	schaersvoo	5314	ctx.restore();\
7614	schaersvoo	5315	}\
		5316	}\
		5317	ctx.restore();\
		5318	return;\
7653	schaersvoo	5319	};");
7614	schaersvoo	5320	break;
		5321
		5322	case DRAW_VIDEO:/* not used for userdraw */
		5323	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5324	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5325	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5326	var video_div = document.createElement(\"div\");\
		5327	canvas_div.appendChild(video_div);\
		5328	video_div.style.position = \"absolute\";\
		5329	video_div.style.left = x+\"px\";\
		5330	video_div.style.top = y+\"px\";\
		5331	video_div.style.width = w+\"px\";\
		5332	video_div.style.height = h+\"px\";\
		5333	var video = document.createElement(\"video\");\
		5334	video_div.appendChild(video);\
		5335	video.style.width = w+\"px\";\
		5336	video.style.height = h+\"px\";\
		5337	video.autobuffer = true;\
		5338	video.controls = true;video.autoplay = false;\
		5339	var src = document.createElement(\"source\");\
		5340	src.type = \"video/mp4\";\
		5341	src.src = URL;\
		5342	video.appendChild(src);\
		5343	video.load();\
		5344	return;\
8224	bpr	5345	};");
7614	schaersvoo	5346	break;
8224	bpr	5347
7614	schaersvoo	5348	case DRAW_AUDIO:/* not used for userdraw */
		5349	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5350	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5351	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5352	var audio_div = document.createElement(\"div\");\
		5353	canvas_div.appendChild(audio_div);\
		5354	audio_div.style.position = \"absolute\";\
		5355	audio_div.style.left = x+\"px\";\
		5356	audio_div.style.top = y+\"px\";\
		5357	audio_div.style.width = w+\"px\";\
		5358	audio_div.style.height = h+\"px\";\
		5359	var audio = document.createElement(\"audio\");\
		5360	audio_div.appendChild(audio);\
		5361	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5362	audio.autobuffer = true;\
		5363	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5364	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5365	var src1 = document.createElement(\"source\");\
		5366	src1.type = \"audio/ogg\";\
		5367	src1.src = URL1;\
		5368	audio.appendChild(src1);\
		5369	var src2 = document.createElement(\"source\");\
		5370	src2.type = \"audio/mpeg\";\
		5371	src2.src = URL2;\
		5372	audio.appendChild(src2);\
		5373	audio.load();\
		5374	return;\
7653	schaersvoo	5375	};");
7614	schaersvoo	5376	break;
8224	bpr	5377
7614	schaersvoo	5378	case DRAW_HTTP:/* not used for userdraw */
		5379	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5380	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5381	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5382	var http_div = document.createElement(\"div\");\
		5383	var iframe = document.createElement(\"iframe\");\
		5384	canvas_div.appendChild(http_div);\
		5385	http_div.appendChild(iframe);\
		5386	iframe.src = URL;\
		5387	iframe.setAttribute(\"width\",w);\
		5388	iframe.setAttribute(\"height\",h);\
		5389	return;\
7653	schaersvoo	5390	};");
7614	schaersvoo	5391	break;
8224	bpr	5392
7614	schaersvoo	5393	case DRAW_XML:
		5394	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5395	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5396	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5397	var xml_div = document.createElement(\"div\");\
		5398	canvas_div.appendChild(xml_div);\
		5399	xml_div.innerHTML = mathml;\
		5400	if(onclick != 0){\
		5401	xml_div.onclick = function(){\
		5402	reply[0] = onclick;\
		5403	alert(\"send \"+onclick+\" ?\");\
		5404	};\
		5405	};\
		5406	xml_div.style.position = \"absolute\";\
		5407	xml_div.style.left = x+\"px\";\
		5408	xml_div.style.top = y+\"px\";\
		5409	xml_div.style.width = w+\"px\";\
		5410	xml_div.style.height = h+\"px\";\
		5411	return;\
7653	schaersvoo	5412	};"
7614	schaersvoo	5413	);
		5414	break;
7654	schaersvoo	5415	case DRAW_SGRAPH:
8224	bpr	5416	/*
7654	schaersvoo	5417	xstart = given
		5418	ystart = given
		5419	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5420	*/
		5421	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5422	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5423	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);};\
		5424	var ctx = obj.getContext(\"2d\");\
		5425	ctx.font = fontfamily;\
		5426	var minor_opacity = 0.8*opacity;\
		5427	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5428	var zero_x = 0.1*xsize;\
		5429	var zero_y = 0.9*ysize;\
8129	schaersvoo	5430	var snor_x;var snor_y;\
7654	schaersvoo	5431	if( xstart != xmin){\
7658	schaersvoo	5432	snor_x = 0.1*xsize;\
		5433	}\
		5434	else\
		5435	{\
		5436	snor_x = 0;\
		5437	xstart = xmin;\
		5438	};\
		5439	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5440	ctx.lineWidth = 2;\
		5441	ctx.beginPath();\
		5442	ctx.moveTo(xsize,zero_y);\
		5443	ctx.lineTo(zero_x,zero_y);\
		5444	ctx.lineTo(zero_x,0);\
		5445	ctx.stroke();\
		5446	ctx.closePath();\
		5447	ctx.beginPath();\
		5448	ctx.moveTo(zero_x,zero_y);\
		5449	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5450	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5451	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5452	ctx.lineTo(zero_x + snor_x,zero_y);\
		5453	ctx.stroke();\
		5454	ctx.closePath();\
		5455	ctx.beginPath();\
		5456	var num = xstart;\
7660	schaersvoo	5457	var flipflop = 1;\
7658	schaersvoo	5458	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5459	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5460	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5461	txtsize = ctx.measureText(num).width;\
		5462	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5463	if( flipflop == 1){\
		5464	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5465	}\
		5466	else\
		5467	{\
		5468	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5469	}\
		5470	num = num + xmajor;\
7658	schaersvoo	5471	};\
		5472	ctx.stroke();\
		5473	ctx.closePath();\
		5474	ctx.lineWidth = 1;\
		5475	ctx.beginPath();\
		5476	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5477	ctx.moveTo(x,zero_y);\
		5478	ctx.lineTo(x,0);\
		5479	};\
		5480	ctx.stroke();\
		5481	ctx.closePath();\
		5482	if( xminor > 1){\
		5483	ctx.lineWidth = 0.5;\
		5484	ctx.beginPath();\
		5485	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5486	var minor_step_x = step_x / xminor;\
		5487	var nx;\
		5488	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5489	num = 1;\
		5490	for(var p = 1 ; p < xminor ; p++){\
		5491	nx = x + num*minor_step_x;\
		5492	ctx.moveTo(nx,zero_y);\
		5493	ctx.lineTo(nx,0);\
		5494	num++;\
		5495	};\
		5496	};\
		5497	ctx.stroke();\
		5498	ctx.closePath();\
		5499	ctx.beginPath();\
		5500	ctx.lineWidth = 2;\
		5501	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5502	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5503	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5504	};\
		5505	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5506	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5507	};\
		5508	ctx.stroke();\
		5509	ctx.closePath();\
		5510	ctx.lineWidth = 0.5;\
		5511	};\
		5512	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5513	if( ystart != ymin){\
		5514	snor_y = 0.1*ysize;\
		5515	}\
		5516	else\
		5517	{\
		5518	snor_y = 0;\
		5519	ystart = ymin;\
		5520	};\
		5521	ctx.lineWidth = 2;\
		5522	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5523	ctx.beginPath();\
		5524	ctx.moveTo(zero_x,zero_y);\
		5525	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5526	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5527	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5528	ctx.lineTo(zero_x,zero_y - snor_y);\
		5529	ctx.stroke();\
		5530	ctx.closePath();\
		5531	ctx.beginPath();\
		5532	ctx.lineWidth = 1;\
		5533	num = ystart;\
		5534	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5535	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5536	ctx.moveTo(zero_x,y);\
		5537	ctx.lineTo(xsize,y);\
		5538	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5539	num = num + ymajor;\
		5540	};\
		5541	ctx.stroke();\
		5542	ctx.closePath();\
		5543	if( yminor > 1){\
		5544	ctx.lineWidth = 0.5;\
		5545	ctx.beginPath();\
		5546	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5547	var minor_step_y = step_y / yminor;\
		5548	var ny;\
		5549	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5550	num = 1;\
		5551	for(var p = 1 ;p < yminor;p++){\
		5552	ny = y + num*minor_step_y;\
		5553	ctx.moveTo(zero_x,ny);\
		5554	ctx.lineTo(xsize,ny);\
		5555	num++;\
		5556	};\
		5557	};\
		5558	ctx.stroke();\
		5559	ctx.closePath();\
		5560	ctx.lineWidth = 2;\
		5561	ctx.beginPath();\
		5562	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5563	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5564	ctx.moveTo(zero_x,y);\
		5565	ctx.lineTo(zero_x+12,y);\
		5566	};\
		5567	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5568	ctx.moveTo(zero_x,y);\
		5569	ctx.lineTo(zero_x+6,y);\
		5570	};\
		5571	ctx.stroke();\
		5572	ctx.closePath();\
		5573	};\
		5574	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5575	if( typeof legend%d !== 'undefined' ){\
		5576	ctx.globalAlpha = 1.0;\
		5577	var y_offset = 2*font_size;\
		5578	var txt;var txt_size;\
		5579	var x_offset = xsize - 2*font_size;\
		5580	var l_length = legend%d.length;var barcolor = new Array();\
		5581	if( typeof legendcolors%d !== 'undefined' ){\
		5582	for(var p = 0 ; p < l_length ; p++){\
		5583	barcolor[p] = legendcolors%d[p];\
		5584	};\
		5585	}else{\
		5586	if( barcolor.length == 0 ){\
		5587	for(var p = 0 ; p < l_length ; p++){\
		5588	barcolor[p] = stroke_color;\
		5589	};\
		5590	};\
		5591	};\
		5592	for(var p = 0; p < l_length; p++){\
		5593	ctx.fillStyle = barcolor[p];\
		5594	txt = legend%d[p];\
		5595	txt_size = ctx.measureText(txt).width;\
		5596	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5597	y_offset = parseInt(y_offset + 1.5*font_size);\
		5598	};\
		5599	};\
7660	schaersvoo	5600	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5601	ctx.fillStyle = \'#000000\';\
		5602	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5603	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5604	};\
7660	schaersvoo	5605	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5606	ctx.save();\
		5607	ctx.fillStyle = \'#000000\';\
		5608	var txt_size = ctx.measureText(yaxislabel).width;\
		5609	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5610	ctx.rotate(-0.5*Math.PI);\
		5611	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5612	ctx.restore();\
7658	schaersvoo	5613	};\
7654	schaersvoo	5614	};\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);
		5615	break;
7614	schaersvoo	5616
		5617	case DRAW_GRID:/* not used for userdraw */
		5618	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5619	var 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_affine,affine_matrix,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
7988	schaersvoo	5620	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);};\
		5621	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5622	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5623	ctx.save();\
8071	schaersvoo	5624	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5625	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5626	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5627	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5628	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5629	ctx.font = font_family;\
7988	schaersvoo	5630	var barcolor = new Array();\
7614	schaersvoo	5631	var xstep = xsize*xmajor/(xmax - xmin);\
		5632	var ystep = ysize*ymajor/(ymax - ymin);\
		5633	var x2step = xstep / xminor;\
		5634	var y2step = ystep / yminor;\
7996	schaersvoo	5635	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5636	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5637	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5638	ctx.beginPath();\
		5639	ctx.lineWidth = line_width;\
		5640	ctx.strokeStyle = stroke_color;\
		5641	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5642	ctx.moveTo(p,0);\
		5643	ctx.lineTo(p,ysize);\
		5644	};\
		5645	for(var p = zero_x ; p > 0; p = p - xstep){\
		5646	ctx.moveTo(p,0);\
		5647	ctx.lineTo(p,ysize);\
		5648	};\
		5649	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5650	ctx.moveTo(0,p);\
		5651	ctx.lineTo(xsize,p);\
		5652	};\
		5653	for(var p = zero_y ; p > 0; p = p - ystep){\
		5654	ctx.moveTo(0,p);\
		5655	ctx.lineTo(xsize,p);\
		5656	};\
		5657	if( typeof xaxislabel !== 'undefined' ){\
		5658	ctx.save();\
		5659	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5660	var corr = ctx.measureText(xaxislabel).width;\
		5661	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5662	ctx.restore();\
		5663	};\
		5664	if( typeof yaxislabel !== 'undefined' ){\
		5665	ctx.save();\
		5666	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5667	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5668	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5669	ctx.rotate(-0.5*Math.PI);\
		5670	ctx.fillText(yaxislabel,0,0);\
		5671	ctx.restore();\
		5672	};\
		5673	ctx.stroke();\
		5674	ctx.closePath();\
		5675	if( use_axis == 1 ){\
7988	schaersvoo	5676	ctx.save();\
7614	schaersvoo	5677	ctx.beginPath();\
		5678	ctx.strokeStyle = stroke_color;\
		5679	ctx.lineWidth = 0.6*line_width;\
		5680	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5681	ctx.moveTo(p,0);\
		5682	ctx.lineTo(p,ysize);\
		5683	};\
		5684	for(var p = zero_x ; p > 0; p = p - x2step){\
		5685	ctx.moveTo(p,0);\
		5686	ctx.lineTo(p,ysize);\
		5687	};\
		5688	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5689	ctx.moveTo(0,p);\
		5690	ctx.lineTo(xsize,p);\
		5691	};\
		5692	for(var p = zero_y ; p > 0; p = p - y2step){\
		5693	ctx.moveTo(0,p);\
		5694	ctx.lineTo(xsize,p);\
		5695	};\
		5696	ctx.stroke();\
		5697	ctx.closePath();\
		5698	ctx.beginPath();\
		5699	ctx.lineWidth = 2*line_width;\
		5700	ctx.strokeStyle = axis_color;\
		5701	ctx.moveTo(0,zero_y);\
		5702	ctx.lineTo(xsize,zero_y);\
		5703	ctx.moveTo(zero_x,0);\
		5704	ctx.lineTo(zero_x,ysize);\
		5705	ctx.stroke();\
		5706	ctx.closePath();\
		5707	ctx.lineWidth = line_width+0.5;\
		5708	ctx.beginPath();\
		5709	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5710	ctx.moveTo(p,zero_y-tics_length);\
		5711	ctx.lineTo(p,zero_y+tics_length);\
		5712	};\
		5713	for(var p = zero_x ; p > 0; p = p - xstep){\
		5714	ctx.moveTo(p,zero_y-tics_length);\
		5715	ctx.lineTo(p,zero_y+tics_length);\
		5716	};\
		5717	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5718	ctx.moveTo(zero_x-tics_length,p);\
		5719	ctx.lineTo(zero_x+tics_length,p);\
		5720	};\
		5721	for(var p = zero_y ; p > 0; p = p - ystep){\
		5722	ctx.moveTo(zero_x-tics_length,p);\
		5723	ctx.lineTo(zero_x+tics_length,p);\
		5724	};\
		5725	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5726	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5727	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5728	};\
		5729	for(var p = zero_x ; p > 0; p = p - x2step){\
		5730	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5731	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5732	};\
		5733	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5734	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5735	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5736	};\
		5737	for(var p = zero_y ; p > 0; p = p - y2step){\
		5738	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5739	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5740	};\
		5741	ctx.stroke();\
		5742	ctx.closePath();\
7988	schaersvoo	5743	ctx.restore();\
		5744	};\
		5745	if( use_axis_numbering == 1 ){\
		5746	ctx.save();\
		5747	ctx.fillColor = axis_color;\
8110	schaersvoo	5748	ctx.strokeStyle = axis_color;\
		5749	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5750	ctx.font = font_family;\
		5751	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5752	if( x_strings != null ){\
		5753	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5754	ctx.beginPath();\
7988	schaersvoo	5755	for(var p = 0 ; p < len ; p = p+2){\
		5756	var x_nums = x2px(eval(x_strings[p]));\
		5757	var x_text = x_strings[p+1];\
		5758	corr = ctx.measureText(x_text).width;\
		5759	skip = 1.2*corr/xstep;\
		5760	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5761	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5762	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5763	ctx.moveTo(x_nums,zero_y - tics_length);\
		5764	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	5765	};\
8110	schaersvoo	5766	ctx.closePath();\
7988	schaersvoo	5767	}\
		5768	else\
		5769	{\
		5770	skip = 1;cnt = px2x(zero_x);\
		5771	prec = Math.log(precision)/(Math.log(10));\
		5772	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		5773	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		5774	if(skip == 0 ){\
7990	schaersvoo	5775	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5776	corr = ctx.measureText(disp_cnt).width;\
		5777	skip = parseInt(1.2*corr/xstep);\
		5778	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5779	}\
7988	schaersvoo	5780	else\
		5781	{\
		5782	skip--;\
7614	schaersvoo	5783	};\
7988	schaersvoo	5784	cnt = cnt + xmajor;\
7614	schaersvoo	5785	};\
7988	schaersvoo	5786	cnt = px2x(zero_x);skip = 1;\
		5787	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		5788	if(skip == 0 ){\
7990	schaersvoo	5789	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5790	corr = ctx.measureText(disp_cnt).width;\
		5791	skip = parseInt(1.2*corr/xstep);\
		5792	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		5793	}\
		5794	else\
		5795	{\
		5796	skip--;\
7614	schaersvoo	5797	};\
7988	schaersvoo	5798	cnt = cnt - xmajor;\
7614	schaersvoo	5799	};\
		5800	};\
7988	schaersvoo	5801	if( y_strings != null ){\
		5802	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5803	ctx.beginPath();\
7988	schaersvoo	5804	for(var p = 0 ; p < len ; p = p+2){\
		5805	var y_nums = y2px(eval(y_strings[p]));\
		5806	var y_text = y_strings[p+1];\
		5807	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5808	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	5809	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		5810	ctx.moveTo(zero_x - tics_length,y_nums);\
		5811	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	5812	};\
8110	schaersvoo	5813	ctx.closePath();\
7988	schaersvoo	5814	}\
		5815	else\
		5816	{\
7991	schaersvoo	5817	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5818	cnt = px2y(zero_y);skip = 1;\
		5819	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		5820	if(skip == 0 ){\
		5821	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5822	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5823	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5824	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5825	}\
		5826	else\
		5827	{\
		5828	skip--;\
		5829	};\
		5830	cnt = cnt - ymajor;\
7614	schaersvoo	5831	};\
7988	schaersvoo	5832	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	5833	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5834	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		5835	if(skip == 0 ){\
		5836	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5837	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5838	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5839	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5840	}\
		5841	else\
		5842	{\
		5843	skip--;\
		5844	};\
		5845	cnt = cnt + ymajor;\
7614	schaersvoo	5846	};\
		5847	};\
7988	schaersvoo	5848	ctx.stroke();\
7614	schaersvoo	5849	ctx.restore();\
		5850	};\
7956	schaersvoo	5851	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	5852	ctx.save();\
7614	schaersvoo	5853	ctx.globalAlpha = 1.0;\
		5854	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5855	var y_offset = 2*font_size;\
		5856	var txt;var txt_size;\
		5857	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	5858	var l_length = legend0.length;\
		5859	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	5860	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	5861	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	5862	};\
7988	schaersvoo	5863	}\
		5864	else\
		5865	{\
7614	schaersvoo	5866	if( barcolor.length == 0 ){\
		5867	for(var p = 0 ; p < l_length ; p++){\
		5868	barcolor[p] = stroke_color;\
		5869	};\
		5870	};\
		5871	};\
		5872	for(var p = 0; p < l_length; p++){\
		5873	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	5874	txt = legend0[p];\
7614	schaersvoo	5875	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	5876	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	5877	y_offset = parseInt(y_offset + 1.5*font_size);\
		5878	};\
7988	schaersvoo	5879	ctx.restore();\
7614	schaersvoo	5880	};\
7991	schaersvoo	5881	if( typeof barchart_0 !== 'undefined' ){\
		5882	ctx.save();\
		5883	var num_barcharts = 0;\
		5884	var bar_name = eval('barchart_0');\
		5885	while( typeof bar_name !== 'undefined' ){\
		5886	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		5887	};\
		5888	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		5889	for(var i=0 ; i< num_barcharts ; i++){\
		5890	bar_name = eval('barchart_'+i);\
		5891	var bar_x = new Array();\
		5892	var bar_y = new Array();\
		5893	var lb = bar_name.length;\
		5894	var idx = 0;\
		5895	var dx = parseInt(0.5ibar_width);\
		5896	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5897	bar_x[idx] = x2px(bar_name[p]);\
		5898	bar_y[idx] = y2px(bar_name[p+1]);\
		5899	barcolor[idx] = bar_name[p+2];\
		5900	idx++;\
		5901	};\
		5902	ctx.globalAlpha = fill_opacity;\
		5903	ctx.beginPath();\
		5904	for( var p = 0; p < idx ; p++ ){\
		5905	ctx.strokeStyle = barcolor[p];\
		5906	ctx.fillStyle = barcolor[p];\
		5907	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		5908	};\
		5909	ctx.fill();\
		5910	ctx.stroke();\
		5911	ctx.closePath();\
		5912	};\
		5913	ctx.restore();\
		5914	};\
7996	schaersvoo	5915	if( typeof linegraph_0 !== 'undefined' ){\
		5916	ctx.save();\
		5917	ctx.globalAlpha = 1.0;\
		5918	var i = 0;\
		5919	var line_name = eval('linegraph_'+i);\
		5920	while ( typeof line_name !== 'undefined' ){\
		5921	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5922	ctx.lineWidth = parseInt(line_name[1]);\
		5923	if(line_name[2] == \"1\"){\
		5924	var d1 = parseInt(line_name[3]);\
		5925	var d2 = parseInt(line_name[4]);\
		5926	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		5927	}\
		5928	else\
		5929	{\
		5930	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5931	if(ctx.mozDash){ctx.mozDash = null;}\
		5932	};\
		5933	var data_x = new Array();\
		5934	var data_y = new Array();\
		5935	var lb = line_name.length;\
		5936	var idx = 0;\
		5937	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5938	data_x[idx] = x2px(line_name[p]);\
		5939	data_y[idx] = y2px(line_name[p+1]);\
		5940	idx++;\
		5941	};\
		5942	for( var p = 0; p < idx ; p++){\
		5943	ctx.beginPath();\
		5944	ctx.moveTo(data_x[p],data_y[p]);\
		5945	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5946	ctx.stroke();\
		5947	ctx.closePath();\
		5948	};\
		5949	i++;\
		5950	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5951	};\
		5952	ctx.restore();\
		5953	};\
7614	schaersvoo	5954	return;\
7989	schaersvoo	5955	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5956	break;
8224	bpr	5957
7614	schaersvoo	5958	case DRAW_PIECHART:
7987	schaersvoo	5959	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	5960	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	5961	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5962	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5963	}\
		5964	else\
		5965	{\
		5966	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5967	};\
		5968	var ld = data_color_list.length;\
		5969	var sum = 0;\
		5970	var idx = 0;\
7956	schaersvoo	5971	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	5972	var colors = new Array();\
		5973	var data = new Array();\
		5974	for(var p = 0;p < ld; p = p + 2){\
		5975	data[idx] = parseFloat(data_color_list[p]);\
		5976	sum = sum + data[idx];\
		5977	colors[idx] = data_color_list[p+1];\
		5978	idx++;\
		5979	};\
		5980	var ctx = obj.getContext(\"2d\");\
		5981	ctx.save();\
		5982	var angle;\
		5983	var angle_end = 0;\
		5984	var offset = Math.PI / 2;\
		5985	ctx.globalAlpha = fill_opacity;\
		5986	for(var p=0; p < idx; p++){\
		5987	ctx.beginPath();\
		5988	ctx.fillStyle = colors[p];\
		5989	ctx.moveTo(x_center,y_center);\
		5990	angle = Math.PI * (2 * data[p] / sum);\
		5991	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5992	ctx.lineTo(x_center, y_center);\
		5993	ctx.fill();\
		5994	ctx.closePath();\
		5995	angle_end = angle_end + angle;\
		5996	};\
7956	schaersvoo	5997	if(typeof legend0 !== 'undefined'){\
		5998	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	5999	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6000	ctx.font = font_family;\
7614	schaersvoo	6001	var y_offset = font_size; \
		6002	var x_offset = 0;\
		6003	var txt;var txt_size;\
		6004	for(var p = 0; p < idx; p++){\
		6005	ctx.fillStyle = colors[p];\
7956	schaersvoo	6006	txt = legenda[p];\
7614	schaersvoo	6007	txt_size = ctx.measureText(txt).width;\
		6008	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6009	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6010	y_offset = parseInt(y_offset + 1.5*font_size);\
		6011	};\
		6012	};\
		6013	ctx.restore();\
7956	schaersvoo	6014	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6015
7614	schaersvoo	6016	break;
		6017	case DRAW_ARCS:
		6018	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6019	var draw_arc = function(ctx,xc,yc,r,start,end,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	6020	ctx.save();\
		6021	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6022	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6023	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6024	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6025	start = 360 - start;\
		6026	end = 360 - end;\
7614	schaersvoo	6027	ctx.lineWidth = line_width;\
		6028	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6029	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6030	ctx.beginPath();\
		6031	ctx.moveTo(xc,yc);\
		6032	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6033	ctx.lineTo(xc,yc);\
		6034	ctx.closePath();\
7614	schaersvoo	6035	if( use_filled == 1 ){\
		6036	ctx.fill();\
8071	schaersvoo	6037	};\
		6038	ctx.stroke();\
7614	schaersvoo	6039	ctx.restore();\
8071	schaersvoo	6040	};");
8224	bpr	6041
7614	schaersvoo	6042	break;
7983	schaersvoo	6043	case DRAW_CENTERSTRING:
		6044	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6045	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6046	var obj;\
		6047	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6048	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6049	}\
		6050	else\
		6051	{\
		6052	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6053	};\
		6054	var ctx = obj.getContext(\"2d\");\
		6055	ctx.save();\
		6056	ctx.font = font_family;\
		6057	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6058	var stringwidth = ctx.measureText(text).width;\
		6059	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6060	ctx.fillText(text,x,y2px(y));\
		6061	return;\
		6062	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6063	break;
7614	schaersvoo	6064	case DRAW_TEXTS:
		6065	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6066	var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	6067	var obj;\
		6068	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6069	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6070	}\
		6071	else\
		6072	{\
		6073	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6074	};\
		6075	var ctx = obj.getContext(\"2d\");\
		6076	if(angle2 == 0 && angle != 0){\
		6077	ctx.save();\
8071	schaersvoo	6078	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6079	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6080	};\
		6081	if( font_family.indexOf('px') != null ){\
		6082	ctx.font = font_family;\
		6083	}\
		6084	else\
		6085	{\
7956	schaersvoo	6086	ctx.font = font_family;\
7614	schaersvoo	6087	};\
		6088	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6089	if(angle2 != 0){\
		6090	ctx.save();\
		6091	ctx.translate(x,y);\
		6092	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6093	ctx.fillText(text,0,0);\
		6094	ctx.restore();\
		6095	}else{ctx.fillText(text,x,y);};\
		6096	ctx.restore();\
		6097	return;\
7653	schaersvoo	6098	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6099	break;
		6100	case DRAW_CURVE:
		6101	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6102	var draw_curve = function(canvas_type,type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,use_rotate,angle,use_affine,affine_matrix){\
7614	schaersvoo	6103	var obj;\
		6104	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6105	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6106	}\
		6107	else\
		6108	{\
		6109	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6110	};\
		6111	var ctx = obj.getContext(\"2d\");\
		6112	ctx.save();\
8071	schaersvoo	6113	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6114	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6115	ctx.beginPath();ctx.lineWidth = line_width;\
		6116	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6117	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6118	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6119	for(var p = 1 ; p < x_points.length ; p++){\
		6120	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6121	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6122	}\
		6123	else\
		6124	{\
		6125	ctx.stroke();\
		6126	ctx.beginPath();\
		6127	p++;\
		6128	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6129	};\
		6130	};\
		6131	ctx.stroke();\
		6132	ctx.restore();\
7653	schaersvoo	6133	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6134	break;
8224	bpr	6135
7614	schaersvoo	6136	case DRAW_INPUTS:
		6137	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6138	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6139	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6140	var input = document.createElement(\"input\");\
		6141	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6142	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6143	input.setAttribute(\"size\",size);\
		6144	input.setAttribute(\"value\",value);\
7877	schaersvoo	6145	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6146	canvas_div.appendChild(input);};");
7614	schaersvoo	6147	break;
8224	bpr	6148
7614	schaersvoo	6149	case DRAW_TEXTAREAS:
		6150	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6151	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6152	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6153	var textarea = document.createElement(\"textarea\");\
		6154	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6155	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6156	textarea.setAttribute(\"cols\",cols);\
		6157	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6158	textarea.value = value;\
		6159	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6160	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6161	break;
8224	bpr	6162
7614	schaersvoo	6163	case DRAW_PIXELS:
		6164	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6165	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6166	var canvas = create_canvas%d(10,xsize,ysize);\
		6167	var d = 0.5*pixelsize;\
		6168	var ctx = canvas.getContext(\"2d\");\
		6169	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6170	ctx.clearRect(0,0,xsize,ysize);\
		6171	for(var p=0; p<x.length;p++){\
		6172	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6173	};\
		6174	ctx.fill();ctx.stroke();\
		6175	};",canvas_root_id);
		6176	break;
		6177
		6178	case DRAW_CLOCK:
		6179	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6180	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6181	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6182	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6183	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6184	clock_ctx.save();\
7997	schaersvoo	6185	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6186	this.type = type \|\| 0;\
		6187	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6188	this.H = H;\
		6189	this.M = M;\
		6190	this.S = S;\
8000	schaersvoo	6191	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6192	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6193	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6194	this.xc = xc \|\| xsize/2;\
		6195	this.yc = yc \|\| ysize/2;\
		6196	this.radius = radius \|\| xsize/4;\
		6197	var font_size = parseInt(0.2*this.radius);\
		6198	this.H_color = h_color \|\| \"blue\";\
		6199	this.M_color = m_color \|\| \"blue\";\
		6200	this.S_color = s_color \|\| \"blue\";\
		6201	this.fg_color = fg_color \|\| \"red\";\
		6202	this.bg_color = bg_color \|\| \"white\";\
		6203	clock_ctx.translate(this.xc,this.yc);\
		6204	clock_ctx.beginPath();\
		6205	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6206	clock_ctx.fillStyle = this.bg_color;\
		6207	clock_ctx.fill();\
		6208	clock_ctx.closePath();\
		6209	clock_ctx.beginPath();\
		6210	clock_ctx.font = font_size+\"px Arial\";\
		6211	clock_ctx.fillStyle = this.fg_color;\
		6212	clock_ctx.textAlign = \"center\";\
		6213	clock_ctx.textBaseline = 'middle';\
		6214	var angle;var x1,y1,x2,y2;\
		6215	var angle_cos;var angle_sin;\
7997	schaersvoo	6216	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6217	switch(type){\
		6218	case 0:clock_ctx.beginPath();\
		6219	for(var p = 1; p <= 12 ; p++){\
		6220	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6221	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6222	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6223	clock_ctx.moveTo(x1,y1);\
		6224	clock_ctx.lineTo(x2,y2);\
		6225	};\
		6226	for(var p = 1; p <= 60 ; p++){\
		6227	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6228	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6229	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6230	clock_ctx.moveTo(x1,y1);\
		6231	clock_ctx.lineTo(x2,y2);\
		6232	};\
		6233	clock_ctx.closePath();\
		6234	clock_ctx.stroke();\
		6235	break;\
		6236	case 1:\
		6237	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.9this.radiusMath.cos(angle);y1 = 0.9this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};break;\
7862	schaersvoo	6238	case 2:\
		6239	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8this.radiusMath.cos(angle);y1 = 0.8this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
7614	schaersvoo	6240	clock_ctx.beginPath();\
		6241	for(var p = 1; p <= 12 ; p++){\
		6242	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6243	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6244	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6245	clock_ctx.moveTo(x1,y1);\
		6246	clock_ctx.lineTo(x2,y2);\
		6247	};\
		6248	for(var p = 1; p <= 60 ; p++){\
		6249	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6250	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6251	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6252	clock_ctx.moveTo(x1,y1);\
		6253	clock_ctx.lineTo(x2,y2);\
		6254	};\
		6255	clock_ctx.closePath();\
		6256	clock_ctx.stroke();\
		6257	break;\
		6258	};\
		6259	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6260	clock_ctx.rotate(angle);\
		6261	clock_ctx.beginPath();\
		6262	clock_ctx.moveTo(-3, -2);\
		6263	clock_ctx.lineTo(-3, 2);\
		6264	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6265	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6266	clock_ctx.fillStyle = this.H_color;\
		6267	clock_ctx.fill();\
		6268	clock_ctx.rotate(-angle);\
		6269	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6270	clock_ctx.rotate(angle);\
		6271	clock_ctx.beginPath();\
		6272	clock_ctx.moveTo(-3, -2);\
		6273	clock_ctx.lineTo(-3, 2);\
		6274	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6275	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6276	clock_ctx.fillStyle = this.M_color;\
		6277	clock_ctx.fill();\
		6278	clock_ctx.rotate(-angle);\
		6279	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6280	clock_ctx.rotate(angle);\
		6281	clock_ctx.beginPath();\
		6282	clock_ctx.moveTo(0,0);\
		6283	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6284	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6285	clock_ctx.strokeStyle = this.S_color;\
		6286	clock_ctx.stroke();\
		6287	clock_ctx.restore();\
7653	schaersvoo	6288	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6289	break;
		6290
		6291	case DRAW_LATTICE:
		6292	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6293	var 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_affine,affine_matrix){\
7614	schaersvoo	6294	var obj;\
		6295	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6296	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6297	}\
		6298	else\
		6299	{\
		6300	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6301	};\
		6302	var ctx = obj.getContext(\"2d\");\
		6303	ctx.save();\
8071	schaersvoo	6304	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6305	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6306	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6307	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6308	var radius = line_width;\
		6309	var x = 0;\
		6310	var y = 0;\
		6311	var x_step_px = xsize/(xmax-xmin);\
		6312	var y_step_px = ysize/(ymax-ymin);\
		6313	var xv1 = dx1*x_step_px;\
		6314	var yv1 = dy1*y_step_px;\
		6315	var xv2 = dx2*x_step_px;\
		6316	var yv2 = dy2*y_step_px;\
		6317	for(var p = 0; p < n1 ;p++){\
		6318	x = p*xv1 + x0;\
		6319	y = p*yv1 + y0;\
		6320	for(var c = 0; c < n2 ; c++){\
		6321	ctx.beginPath();\
		6322	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6323	ctx.fill();\
		6324	ctx.stroke();\
		6325	ctx.closePath();\
		6326	};\
		6327	};\
		6328	ctx.restore();\
		6329	return;\
7653	schaersvoo	6330	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6331	break;
7735	schaersvoo	6332	case DRAW_XYLOGSCALE:
		6333	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6334	var 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){\
7956	schaersvoo	6335	var obj;\
		6336	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6337	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6338	}\
		6339	else\
		6340	{\
		6341	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6342	};\
		6343	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6344	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6345	ctx.save();\
7739	schaersvoo	6346	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6347	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6348	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6349	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6350	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6351	if(use_axis_numbering == 1){\
7956	schaersvoo	6352	ctx.font = font_family;\
		6353	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6354	ymarge = parseInt(1.5*font_size);\
		6355	ctx.save();\
		6356	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6357	ctx.rect(0,0,xmarge,ysize);\
		6358	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6359	ctx.fill();\
		6360	ctx.restore();\
		6361	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6362	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6363	ctx.save();\
		6364	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6365	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6366	corr = ctx.measureText(xaxislabel).width;\
		6367	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6368	ctx.restore();\
		6369	};\
7735	schaersvoo	6370	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6371	ctx.save();\
		6372	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6373	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6374	corr = ctx.measureText(yaxislabel).width;\
		6375	ctx.translate(xmarge+font_size,corr+font_size);\
		6376	ctx.rotate(-0.5*Math.PI);\
		6377	ctx.fillText(yaxislabel,0,0);\
		6378	ctx.restore();\
		6379	};\
		6380	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6381	ctx.lineWidth = line_width;\
		6382	for(var p = x_min; p <= x_max ; p++){\
		6383	num = Math.pow(xlogbase,p);\
		6384	for(var i = 1 ; i < xlogbase ; i++){\
		6385	x_e = x2px(i*num);\
7735	schaersvoo	6386	if( i == 1 ){\
7956	schaersvoo	6387	ctx.lineWidth = line_width;\
		6388	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6389	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6390	xtxt = xlogbase+'^'+p.toFixed(0);\
		6391	corr = 0.5*(ctx.measureText(xtxt).width);\
		6392	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6393	};\
7735	schaersvoo	6394	}else{\
7956	schaersvoo	6395	ctx.lineWidth = 0.2*line_width;\
		6396	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6397	};\
7738	schaersvoo	6398	if( x_e >= xmarge ){\
7956	schaersvoo	6399	ctx.beginPath();\
		6400	ctx.moveTo(x_e,0);\
		6401	ctx.lineTo(x_e,ysize - ymarge);\
		6402	ctx.stroke();\
		6403	ctx.closePath();\
7738	schaersvoo	6404	};\
7956	schaersvoo	6405	};\
		6406	};\
		6407	for(var p = y_min; p <= y_max ; p++){\
		6408	num = Math.pow(ylogbase,p);\
		6409	for(var i = 1 ; i < ylogbase ; i++){\
		6410	y_e = y2px(i*num);\
		6411	if( i == 1 ){\
		6412	ctx.lineWidth = line_width;\
7735	schaersvoo	6413	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6414	if( use_axis_numbering == 1 && p > y_min){\
		6415	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6416	};\
		6417	}else{\
		6418	ctx.lineWidth = 0.2*line_width;\
		6419	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6420	};\
		6421	ctx.beginPath();\
		6422	ctx.moveTo(xmarge,y_e);\
		6423	ctx.lineTo(xsize,y_e);\
		6424	ctx.stroke();\
		6425	ctx.closePath();\
		6426	};\
		6427	};\
7735	schaersvoo	6428	ctx.restore();\
		6429	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6430	break;
7614	schaersvoo	6431
7735	schaersvoo	6432	case DRAW_XLOGSCALE:
		6433	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6434	var 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){\
7956	schaersvoo	6435	var obj;\
		6436	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6437	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6438	}\
		6439	else\
		6440	{\
		6441	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6442	};\
		6443	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6444	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6445	ctx.save();\
		6446	ctx.lineWidth = line_width;\
7739	schaersvoo	6447	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6448	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6449	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6450	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6451	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6452	if(use_axis_numbering == 1){\
7956	schaersvoo	6453	ctx.font = font_family;\
		6454	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6455	ymarge = parseInt(1.5*font_size);\
		6456	ctx.save();\
		6457	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6458	ctx.rect(0,0,xmarge,ysize);\
		6459	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6460	ctx.fill();\
		6461	ctx.restore();\
		6462	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6463	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6464	ctx.save();\
		6465	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6466	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6467	corr = ctx.measureText(xaxislabel).width;\
		6468	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6469	ctx.restore();\
		6470	};\
7739	schaersvoo	6471	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6472	ctx.save();\
		6473	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6474	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6475	corr = ctx.measureText(yaxislabel).width;\
		6476	ctx.translate(xmarge+font_size,corr+font_size);\
		6477	ctx.rotate(-0.5*Math.PI);\
		6478	ctx.fillText(yaxislabel,0,0);\
		6479	ctx.restore();\
		6480	};\
		6481	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6482	ctx.lineWidth = line_width;\
		6483	for(var p = x_min; p <= x_max ; p++){\
		6484	num = Math.pow(xlogbase,p);\
		6485	for(var i = 1 ; i < xlogbase ; i++){\
		6486	x_e = x2px(i*num);\
7735	schaersvoo	6487	if( i == 1 ){\
7956	schaersvoo	6488	ctx.lineWidth = line_width;\
7739	schaersvoo	6489	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6490	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6491	xtxt = xlogbase+'^'+p.toFixed(0);\
		6492	corr = 0.5*(ctx.measureText(xtxt).width);\
		6493	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6494	};\
		6495	}else{\
7956	schaersvoo	6496	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6497	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6498	};\
7739	schaersvoo	6499	if( x_e >= xmarge ){\
7956	schaersvoo	6500	ctx.beginPath();\
		6501	ctx.moveTo(x_e,0);\
		6502	ctx.lineTo(x_e,ysize - ymarge);\
		6503	ctx.stroke();\
		6504	ctx.closePath();\
7739	schaersvoo	6505	};\
		6506	};\
7956	schaersvoo	6507	};\
7735	schaersvoo	6508	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6509	var minor_step = stepy / yminor;\
7749	schaersvoo	6510	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6511	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6512	ctx.lineWidth = line_width;\
		6513	ctx.beginPath();\
		6514	ctx.moveTo(xmarge,y);\
		6515	ctx.lineTo(xsize,y);\
		6516	ctx.stroke();\
		6517	ctx.closePath();\
7735	schaersvoo	6518	if( use_axis_numbering == 1){\
		6519	ytxt = (px2y(y)).toFixed(prec);\
		6520	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6521	};\
		6522	for(var dy = 1 ; dy < yminor ; dy++){\
		6523	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6524	ctx.lineWidth = 0.2*line_width;\
		6525	ctx.beginPath();\
7739	schaersvoo	6526	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6527	ctx.lineTo(xsize,y+dy*minor_step);\
		6528	ctx.stroke();\
		6529	ctx.closePath();\
7735	schaersvoo	6530	};\
		6531	};\
7956	schaersvoo	6532	ctx.restore();\
		6533	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6534	break;
7729	schaersvoo	6535	case DRAW_YLOGSCALE:
		6536	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6537	var 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){\
7956	schaersvoo	6538	var obj;\
		6539	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6540	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6541	}\
		6542	else\
		6543	{\
		6544	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6545	};\
		6546	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6547	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6548	ctx.save();\
		6549	ctx.lineWidth = line_width;\
7735	schaersvoo	6550	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6551	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6552	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6553	if(use_axis_numbering == 1){\
7956	schaersvoo	6554	ctx.font = font_family;\
		6555	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6556	ymarge = 2*font_size;\
		6557	ctx.save();\
		6558	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6559	ctx.rect(0,0,xmarge,ysize);\
		6560	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6561	ctx.fill();\
		6562	ctx.restore();\
		6563	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6564	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6565	ctx.save();\
		6566	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6567	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6568	corr = ctx.measureText(xaxislabel).width;\
		6569	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6570	ctx.restore();\
		6571	};\
7739	schaersvoo	6572	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6573	ctx.save();\
		6574	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6575	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6576	corr = ctx.measureText(yaxislabel).width;\
		6577	ctx.translate(xmarge+font_size,corr+font_size);\
		6578	ctx.rotate(-0.5*Math.PI);\
		6579	ctx.fillText(yaxislabel,0,0);\
		6580	ctx.restore();\
		6581	};\
		6582	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6583	ctx.lineWidth = line_width;\
		6584	for(var p = y_min; p <= y_max ; p++){\
		6585	num = Math.pow(ylogbase,p);\
		6586	for(var i = 1 ; i < ylogbase ; i++){\
		6587	y_e = y2px(i*num);\
7729	schaersvoo	6588	if( i == 1 ){\
7956	schaersvoo	6589	ctx.lineWidth = line_width;\
7729	schaersvoo	6590	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6591	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6592	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6593	};\
		6594	}else{\
7956	schaersvoo	6595	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6596	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6597	};\
7956	schaersvoo	6598	ctx.beginPath();\
		6599	ctx.moveTo(xmarge,y_e);\
		6600	ctx.lineTo(xsize,y_e);\
		6601	ctx.stroke();\
		6602	ctx.closePath();\
		6603	};\
		6604	};\
7729	schaersvoo	6605	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6606	var minor_step = stepx / xminor;\
		6607	var prec = Math.log(precision)/Math.log(10);\
		6608	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6609	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6610	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6611	ctx.lineWidth = line_width;\
		6612	ctx.beginPath();\
		6613	ctx.moveTo(x,ysize-ymarge);\
		6614	ctx.lineTo(x,0);\
		6615	ctx.stroke();\
		6616	ctx.closePath();\
7729	schaersvoo	6617	if( use_axis_numbering == 1){\
		6618	xtxt = (px2x(x)).toFixed(prec);\
		6619	corr = 0.5*(ctx.measureText(xtxt).width);\
		6620	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6621	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6622	};\
		6623	for(var dx = 1 ; dx < xminor ; dx++){\
		6624	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6625	ctx.lineWidth = 0.2*line_width;\
		6626	ctx.beginPath();\
7739	schaersvoo	6627	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6628	ctx.lineTo(x+dx*minor_step,0);\
		6629	ctx.stroke();\
		6630	ctx.closePath();\
7735	schaersvoo	6631	};\
		6632	};\
7956	schaersvoo	6633	ctx.restore();\
		6634	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6635	break;
7614	schaersvoo	6636	default:break;
		6637	}
		6638	}
		6639	}
		6640	return;
		6641	}
		6642
		6643	void check_string_length(int L){
		6644	if(L<1 \|\| L > MAX_BUFFER-1){
		6645	canvas_error("problem with your arguments to command...");
		6646	}
		6647	return;
		6648	}
		6649
		6650
		6651	int get_token(FILE *infile){
		6652	int c,i=0;
		6653	char temp[MAX_INT], *input_type;
		6654	char *line="line",
		6655	*audio="audio",
		6656	*blink="blink",
		6657	*arrowhead="arrowhead",
		6658	*crosshairsize="crosshairsize",
		6659	*crosshair="crosshair",
		6660	*crosshairs="crosshairs",
		6661	*audioobject="audioobject",
		6662	*style="style",
		6663	*mouse="mouse",
7991	schaersvoo	6664	*mousex="mousex",
		6665	*mousey="mousey",
8071	schaersvoo	6666	*mouse_display="display",
		6667	*mouse_degree="mouse_degree",
7614	schaersvoo	6668	*userdraw="userdraw",
		6669	*highlight="highlight",
		6670	*http="http",
		6671	*rays="rays",
		6672	*dashtype="dashtype",
		6673	*dashed="dashed",
		6674	*filled="filled",
		6675	*lattice="lattice",
		6676	*parallel="parallel",
		6677	*segment="segment",
		6678	*dsegment="dsegment",
		6679	*seg="seg",
		6680	*bgimage="bgimage",
		6681	*bgcolor="bgcolor",
		6682	*strokecolor="strokecolor",
		6683	*backgroundimage="backgroundimage",
		6684	*text="text",
		6685	*textup="textup",
		6686	*mouseprecision="mouseprecision",
		6687	*precision="precision",
		6688	*plotsteps="plotsteps",
		6689	*plotstep="plotstep",
		6690	*tsteps="tsteps",
		6691	*curve="curve",
		6692	*dcurve="dcurve",
		6693	*plot="plot",
		6694	*dplot="dplot",
7788	schaersvoo	6695	*levelcurve="levelcurve",
7614	schaersvoo	6696	*fontsize="fontsize",
		6697	*fontcolor="fontcolor",
		6698	*axis="axis",
		6699	*axisnumbering="axisnumbering",
		6700	*axisnumbers="axisnumbers",
		6701	*arrow="arrow",
		6702	*darrow="darrow",
		6703	*arrow2="arrow2",
		6704	*darrow2="darrow2",
		6705	*zoom="zoom",
		6706	*grid="grid",
		6707	*hline="hline",
7786	schaersvoo	6708	*dhline="dhline",
7614	schaersvoo	6709	*drag="drag",
		6710	*horizontalline="horizontalline",
		6711	*vline="vline",
7786	schaersvoo	6712	*dvline="dvline",
7614	schaersvoo	6713	*verticalline="verticalline",
		6714	*triangle="triangle",
		6715	*ftriangle="ftriangle",
		6716	*mathml="mathml",
		6717	*html="html",
		6718	*input="input",
8146	schaersvoo	6719	*clearbutton="clearbutton",
7614	schaersvoo	6720	*inputstyle="inputstyle",
		6721	*textarea="textarea",
		6722	*trange="trange",
		6723	*ranget="ranget",
		6724	*xrange="xrange",
		6725	*yrange="yrange",
		6726	*rangex="rangex",
		6727	*rangey="rangey",
		6728	*polyline="polyline",
		6729	*lines="lines",
		6730	*poly="poly",
		6731	*polygon="polygon",
		6732	*fpolygon="fpolygon",
		6733	*fpoly="fpoly",
		6734	*filledpoly="filledpoly",
		6735	*filledpolygon="filledpolygon",
		6736	*rect="rect",
		6737	*frect="frect",
		6738	*rectangle="rectangle",
		6739	*frectangle="frectangle",
		6740	*square="square",
		6741	*fsquare="fsquare",
		6742	*dline="dline",
		6743	*arc="arc",
		6744	*filledarc="filledarc",
		6745	*size="size",
		6746	*string="string",
		6747	*stringup="stringup",
		6748	*copy="copy",
		6749	*copyresized="copyresized",
		6750	*opacity="opacity",
		6751	*transparent="transparent",
		6752	*fill="fill",
		6753	*point="point",
		6754	*points="points",
		6755	*linewidth="linewidth",
		6756	*circle="circle",
		6757	*fcircle="fcircle",
		6758	*disk="disk",
		6759	*comment="#",
		6760	*end="end",
		6761	*ellipse="ellipse",
		6762	*fellipse="fellipse",
		6763	*rotate="rotate",
7785	schaersvoo	6764	*affine="affine",
		6765	*killaffine="killaffine",
7614	schaersvoo	6766	*fontfamily="fontfamily",
		6767	*fillcolor="fillcolor",
		6768	*clicktile="clicktile",
		6769	*clicktile_colors="clicktile_colors",
		6770	*translation="translation",
		6771	*translate="translate",
		6772	*killtranslation="killtranslation",
		6773	*killtranslate="killtranslate",
		6774	*onclick="onclick",
		6775	*roundrect="roundrect",
		6776	*froundrect="froundrect",
		6777	*roundrectangle="roundrectangle",
		6778	*patternfill="patternfill",
		6779	*hatchfill="hatchfill",
		6780	*diafill="diafill",
7647	schaersvoo	6781	*diamondfill="diamondfill",
7614	schaersvoo	6782	*dotfill="dotfill",
		6783	*gridfill="gridfill",
		6784	*imagefill="imagefill",
7735	schaersvoo	6785	*xlogbase="xlogbase",
		6786	*ylogbase="ylogbase",
7614	schaersvoo	6787	*xlogscale="xlogscale",
		6788	*ylogscale="ylogscale",
		6789	*xylogscale="xylogscale",
		6790	*intooltip="intooltip",
		6791	*replyformat="replyformat",
		6792	*floodfill="floodfill",
		6793	*filltoborder="filltoborder",
		6794	*clickfill="clickfill",
		6795	*setpixel="setpixel",
		6796	*pixels="pixels",
		6797	*pixelsize="pixelsize",
		6798	*clickfillmarge="clickfillmarge",
		6799	*xaxis="xaxis",
		6800	*yaxis="yaxis",
		6801	*xaxistext="xaxistext",
		6802	*yaxistext="yaxistext",
		6803	*piechart="piechart",
		6804	*legend="legend",
		6805	*legendcolors="legendcolors",
		6806	*xlabel="xlabel",
		6807	*ylabel="ylabel",
		6808	*barchart="barchart",
		6809	*linegraph="linegraph",
		6810	*clock="clock",
		6811	*animate="animate",
		6812	*video="video",
		6813	*status="status",
7877	schaersvoo	6814	*nostatus="nostatus",
7652	schaersvoo	6815	*snaptogrid="snaptogrid",
7784	schaersvoo	6816	*xsnaptogrid="xsnaptogrid",
		6817	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6818	*userinput_xy="userinput_xy",
8193	schaersvoo	6819	*userinput_function="userinput_function",
7663	schaersvoo	6820	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	6821	*userinput="userinput",
7823	schaersvoo	6822	*jsmath="jsmath",
7858	schaersvoo	6823	*trace_jscurve="trace_jscurve",
7838	schaersvoo	6824	*setlimits="setlimits",
7858	schaersvoo	6825	*jscurve="jscurve",
		6826	*jsplot="jsplot",
7983	schaersvoo	6827	*sgraph="sgraph",
7984	schaersvoo	6828	*title="title",
7996	schaersvoo	6829	*centerstring="centerstring",
		6830	*xunit="xunit",
8071	schaersvoo	6831	*yunit="yunit",
8101	schaersvoo	6832	*slider="slider",
8105	schaersvoo	6833	*killslider="killslider",
8244	schaersvoo	6834	*angle="angle",
		6835	*halfline="halfline",
		6836	*demiline="demiline";
7614	schaersvoo	6837
		6838	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6839	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6840	continue; /* white spaces or tabs allowed before first command identifier */
		6841	}
		6842	else
		6843	{
		6844	if( c == ' ' \|\| c == '\t' ){
		6845	break;
		6846	}
		6847	else
		6848	{
		6849	temp[i] = c;
		6850	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6851	i++;
		6852	}
		6853	}
		6854	if(temp[0] == '#') break;
		6855	}
		6856	if (c == EOF) finished = 1;
		6857
		6858	if (c == '\n' \|\| c == '\r') {
		6859	line_number++;
		6860	if (i == 0) { return EMPTY; }
		6861	} else if (c == EOF) {
		6862	return 0;
		6863	}
		6864
		6865	temp[i]='\0';
		6866	input_type=(char*)my_newmem(strlen(temp));
		6867	snprintf(input_type,sizeof(temp),"%s",temp);
		6868
		6869	if( strcmp(input_type, size) == 0 ){
		6870	free(input_type);
		6871	return SIZE;
		6872	}
		6873	if( strcmp(input_type, xrange) == 0 ){
		6874	free(input_type);
		6875	return XRANGE;
		6876	}
		6877	if( strcmp(input_type, rangex) == 0 ){
		6878	free(input_type);
		6879	return XRANGE;
		6880	}
		6881	if( strcmp(input_type, trange) == 0 ){
		6882	free(input_type);
		6883	return TRANGE;
		6884	}
		6885	if( strcmp(input_type, ranget) == 0 ){
		6886	free(input_type);
		6887	return TRANGE;
		6888	}
		6889	if( strcmp(input_type, yrange) == 0 ){
		6890	free(input_type);
		6891	return YRANGE;
		6892	}
		6893	if( strcmp(input_type, rangey) == 0 ){
		6894	free(input_type);
		6895	return YRANGE;
		6896	}
		6897	if( strcmp(input_type, linewidth) == 0 ){
		6898	free(input_type);
		6899	return LINEWIDTH;
		6900	}
		6901	if( strcmp(input_type, dashed) == 0 ){
		6902	free(input_type);
		6903	return DASHED;
		6904	}
		6905	if( strcmp(input_type, dashtype) == 0 ){
		6906	free(input_type);
		6907	return DASHTYPE;
		6908	}
		6909	if( strcmp(input_type, axisnumbering) == 0 ){
		6910	free(input_type);
		6911	return AXIS_NUMBERING;
		6912	}
		6913	if( strcmp(input_type, axisnumbers) == 0 ){
		6914	free(input_type);
		6915	return AXIS_NUMBERING;
		6916	}
		6917	if( strcmp(input_type, axis) == 0 ){
		6918	free(input_type);
		6919	return AXIS;
		6920	}
		6921	if( strcmp(input_type, grid) == 0 ){
		6922	free(input_type);
		6923	return GRID;
		6924	}
		6925	if( strcmp(input_type, parallel) == 0 ){
		6926	free(input_type);
		6927	return PARALLEL;
		6928	}
		6929	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6930	free(input_type);
		6931	return HLINE;
		6932	}
		6933	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6934	free(input_type);
		6935	return VLINE;
		6936	}
		6937	if( strcmp(input_type, line) == 0 ){
		6938	free(input_type);
		6939	return LINE;
		6940	}
		6941	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6942	free(input_type);
		6943	return SEGMENT;
		6944	}
		6945	if( strcmp(input_type, dsegment) == 0 ){
		6946	free(input_type);
		6947	use_dashed = TRUE;
		6948	return SEGMENT;
		6949	}
		6950	if( strcmp(input_type, crosshairsize) == 0 ){
		6951	free(input_type);
		6952	return CROSSHAIRSIZE;
		6953	}
		6954	if( strcmp(input_type, arrowhead) == 0 ){
		6955	free(input_type);
		6956	return ARROWHEAD;
		6957	}
		6958	if( strcmp(input_type, crosshairs) == 0 ){
		6959	free(input_type);
		6960	return CROSSHAIRS;
		6961	}
		6962	if( strcmp(input_type, crosshair) == 0 ){
		6963	free(input_type);
		6964	return CROSSHAIR;
		6965	}
		6966	if( strcmp(input_type, onclick) == 0 ){
		6967	free(input_type);
		6968	return ONCLICK;
		6969	}
		6970	if( strcmp(input_type, drag) == 0 ){
		6971	free(input_type);
		6972	return DRAG;
		6973	}
		6974	if( strcmp(input_type, userdraw) == 0 ){
		6975	free(input_type);
		6976	return USERDRAW;
		6977	}
		6978	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6979	free(input_type);
		6980	return STYLE;
		6981	}
		6982	if( strcmp(input_type, fillcolor) == 0 ){
		6983	free(input_type);
		6984	return FILLCOLOR;
		6985	}
		6986	if( strcmp(input_type, strokecolor) == 0 ){
		6987	free(input_type);
		6988	return STROKECOLOR;
		6989	}
		6990	if( strcmp(input_type, filled) == 0 ){
		6991	free(input_type);
		6992	return FILLED;
		6993	}
		6994	if( strcmp(input_type, http) == 0 ){
		6995	free(input_type);
		6996	return HTTP;
		6997	}
		6998	if( strcmp(input_type, rays) == 0 ){
		6999	free(input_type);
		7000	return RAYS;
		7001	}
		7002	if( strcmp(input_type, lattice) == 0 ){
		7003	free(input_type);
		7004	return LATTICE;
		7005	}
		7006	if( strcmp(input_type, bgimage) == 0 ){
		7007	free(input_type);
		7008	return BGIMAGE;
		7009	}
		7010	if( strcmp(input_type, bgcolor) == 0 ){
		7011	free(input_type);
		7012	return BGCOLOR;
		7013	}
		7014	if( strcmp(input_type, backgroundimage) == 0 ){
		7015	free(input_type);
		7016	return BGIMAGE;
		7017	}
		7018	if( strcmp(input_type, text) == 0 ){
		7019	free(input_type);
		7020	return FLY_TEXT;
		7021	}
		7022	if( strcmp(input_type, textup) == 0 ){
		7023	free(input_type);
		7024	return FLY_TEXTUP;
		7025	}
		7026	if( strcmp(input_type, mouse) == 0 ){
		7027	free(input_type);
		7028	return MOUSE;
		7029	}
7991	schaersvoo	7030	if( strcmp(input_type, mousex) == 0 ){
		7031	free(input_type);
		7032	return MOUSEX;
		7033	}
		7034	if( strcmp(input_type, mousey) == 0 ){
		7035	free(input_type);
		7036	return MOUSEY;
		7037	}
8071	schaersvoo	7038	if( strcmp(input_type, mouse_degree) == 0 ){
		7039	free(input_type);
		7040	return MOUSE_DEGREE;
		7041	}
		7042	if( strcmp(input_type, mouse_display) == 0 ){
		7043	free(input_type);
		7044	return MOUSE_DISPLAY;
		7045	}
7614	schaersvoo	7046	if( strcmp(input_type, mouseprecision) == 0 ){
		7047	free(input_type);
		7048	return MOUSE_PRECISION;
		7049	}
		7050	if( strcmp(input_type, precision) == 0 ){
		7051	free(input_type);
		7052	return MOUSE_PRECISION;
		7053	}
		7054	if( strcmp(input_type, curve) == 0 ){
		7055	free(input_type);
		7056	return CURVE;
		7057	}
		7058	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7059	use_dashed = TRUE;
7614	schaersvoo	7060	free(input_type);
		7061	return CURVE;
		7062	}
		7063	if( strcmp(input_type, plot) == 0 ){
		7064	free(input_type);
		7065	return CURVE;
		7066	}
		7067	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7068	use_dashed = TRUE;
7614	schaersvoo	7069	free(input_type);
		7070	return CURVE;
		7071	}
7788	schaersvoo	7072	if( strcmp(input_type, levelcurve) == 0 ){
		7073	free(input_type);
		7074	return LEVELCURVE;
		7075	}
7614	schaersvoo	7076	if( strcmp(input_type, plotsteps) == 0 ){
		7077	free(input_type);
		7078	return PLOTSTEPS;
		7079	}
		7080	if( strcmp(input_type, plotstep) == 0 ){
		7081	free(input_type);
		7082	return PLOTSTEPS;
		7083	}
		7084	if( strcmp(input_type, tsteps) == 0 ){
		7085	free(input_type);
		7086	return PLOTSTEPS;
		7087	}
		7088	if( strcmp(input_type, fontsize) == 0 ){
		7089	free(input_type);
		7090	return FONTSIZE;
		7091	}
		7092	if( strcmp(input_type, fontcolor) == 0 ){
		7093	free(input_type);
		7094	return FONTCOLOR;
		7095	}
		7096	if( strcmp(input_type, arrow) == 0 ){
		7097	free(input_type);
		7098	return ARROW;
		7099	}
		7100	if( strcmp(input_type, arrow2) == 0 ){
		7101	free(input_type);
		7102	return ARROW2;
		7103	}
		7104	if( strcmp(input_type, darrow) == 0 ){
		7105	free(input_type);
8071	schaersvoo	7106	use_dashed = TRUE;
7614	schaersvoo	7107	return ARROW;
		7108	}
		7109	if( strcmp(input_type, darrow2) == 0 ){
		7110	free(input_type);
		7111	use_dashed = TRUE;
		7112	return ARROW2;
		7113	}
		7114	if( strcmp(input_type, zoom) == 0 ){
		7115	free(input_type);
		7116	return ZOOM;
		7117	}
		7118	if( strcmp(input_type, triangle) == 0 ){
		7119	free(input_type);
		7120	return TRIANGLE;
		7121	}
		7122	if( strcmp(input_type, ftriangle) == 0 ){
		7123	free(input_type);
		7124	use_filled = TRUE;
		7125	return TRIANGLE;
		7126	}
		7127	if( strcmp(input_type, input) == 0 ){
		7128	free(input_type);
		7129	return INPUT;
		7130	}
		7131	if( strcmp(input_type, inputstyle) == 0 ){
		7132	free(input_type);
		7133	return INPUTSTYLE;
		7134	}
		7135	if( strcmp(input_type, textarea) == 0 ){
		7136	free(input_type);
		7137	return TEXTAREA;
		7138	}
		7139	if( strcmp(input_type, mathml) == 0 ){
		7140	free(input_type);
		7141	return MATHML;
		7142	}
		7143	if( strcmp(input_type, html) == 0 ){
		7144	free(input_type);
		7145	return MATHML;
		7146	}
		7147	if( strcmp(input_type, fontfamily) == 0 ){
		7148	free(input_type);
		7149	return FONTFAMILY;
		7150	}
		7151	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		7152	free(input_type);
		7153	return POLYLINE;
		7154	}
		7155	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7156	free(input_type);
		7157	return RECT;
		7158	}
		7159	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7160	free(input_type);
		7161	return ROUNDRECT;
		7162	}
		7163	if( strcmp(input_type, froundrect) == 0 ){
		7164	free(input_type);
		7165	use_filled = TRUE;
		7166	return ROUNDRECT;
		7167	}
		7168	if( strcmp(input_type, square) == 0 ){
		7169	free(input_type);
		7170	return SQUARE;
		7171	}
		7172	if( strcmp(input_type, fsquare) == 0 ){
		7173	free(input_type);
		7174	use_filled = TRUE;
		7175	return SQUARE;
		7176	}
		7177	if( strcmp(input_type, dline) == 0 ){
		7178	use_dashed = TRUE;
		7179	free(input_type);
		7180	return LINE;
		7181	}
7786	schaersvoo	7182	if( strcmp(input_type, dvline) == 0 ){
		7183	use_dashed = TRUE;
		7184	free(input_type);
		7185	return VLINE;
		7186	}
		7187	if( strcmp(input_type, dhline) == 0 ){
		7188	use_dashed = TRUE;
		7189	free(input_type);
		7190	return HLINE;
		7191	}
7614	schaersvoo	7192	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7193	use_filled = TRUE;
		7194	free(input_type);
		7195	return RECT;
		7196	}
		7197	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7198	use_filled = TRUE;
		7199	free(input_type);
		7200	return CIRCLE;
		7201	}
		7202	if( strcmp(input_type, circle) == 0 ){
		7203	free(input_type);
		7204	return CIRCLE;
		7205	}
		7206	if( strcmp(input_type, point) == 0 ){
		7207	free(input_type);
		7208	return POINT;
		7209	}
		7210	if( strcmp(input_type, points) == 0 ){
		7211	free(input_type);
		7212	return POINTS;
		7213	}
		7214	if( strcmp(input_type, filledarc) == 0 ){
		7215	use_filled = TRUE;
		7216	free(input_type);
		7217	return ARC;
		7218	}
		7219	if( strcmp(input_type, arc) == 0 ){
		7220	free(input_type);
		7221	return ARC;
		7222	}
		7223	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7224	free(input_type);
		7225	return POLY;
		7226	}
		7227	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7228	use_filled = TRUE;
		7229	free(input_type);
		7230	return POLY;
		7231	}
		7232	if( strcmp(input_type, ellipse) == 0){
		7233	free(input_type);
		7234	return ELLIPSE;
		7235	}
		7236	if( strcmp(input_type, fill) == 0 ){
		7237	free(input_type);
		7238	return FLOODFILL;
		7239	}
		7240	if( strcmp(input_type, string) == 0 ){
		7241	free(input_type);
		7242	return STRING;
		7243	}
		7244	if( strcmp(input_type, stringup) == 0 ){
		7245	free(input_type);
		7246	return STRINGUP;
		7247	}
		7248	if( strcmp(input_type, opacity) == 0 ){
		7249	free(input_type);
		7250	return OPACITY;
		7251	}
		7252	if( strcmp(input_type, comment) == 0){
		7253	free(input_type);
		7254	return COMMENT;
		7255	}
		7256	if( strcmp(input_type, end) == 0){
		7257	free(input_type);
		7258	return END;
		7259	}
		7260	if( strcmp(input_type, fellipse) == 0){
		7261	free(input_type);
		7262	use_filled = TRUE;
		7263	return ELLIPSE;
8224	bpr	7264	}
7614	schaersvoo	7265	if( strcmp(input_type, blink) == 0 ){
		7266	free(input_type);
		7267	return BLINK;
		7268	}
8146	schaersvoo	7269	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7270	free(input_type);
8146	schaersvoo	7271	return CLEARBUTTON;
7614	schaersvoo	7272	}
		7273	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7274	free(input_type);
		7275	return TRANSLATION;
		7276	}
		7277	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7278	free(input_type);
		7279	return KILLTRANSLATION;
		7280	}
		7281	if( strcmp(input_type, rotate) == 0){
		7282	free(input_type);
		7283	return ROTATE;
		7284	}
7785	schaersvoo	7285	if( strcmp(input_type, affine) == 0){
		7286	free(input_type);
		7287	return AFFINE;
		7288	}
		7289	if( strcmp(input_type, killaffine) == 0){
		7290	free(input_type);
		7291	return KILLAFFINE;
		7292	}
7614	schaersvoo	7293	if( strcmp(input_type, audio) == 0 ){
		7294	free(input_type);
		7295	return AUDIO;
		7296	}
		7297	if( strcmp(input_type, audioobject) == 0 ){
		7298	free(input_type);
		7299	return AUDIOOBJECT;
		7300	}
		7301	if( strcmp(input_type, slider) == 0 ){
		7302	free(input_type);
		7303	return SLIDER;
		7304	}
8101	schaersvoo	7305	if( strcmp(input_type, killslider) == 0 ){
		7306	free(input_type);
		7307	return KILLSLIDER;
		7308	}
7614	schaersvoo	7309	if( strcmp(input_type, copy) == 0 ){
		7310	free(input_type);
		7311	return COPY;
		7312	}
		7313	if( strcmp(input_type, copyresized) == 0 ){
		7314	free(input_type);
		7315	return COPYRESIZED;
		7316	}
		7317	if( strcmp(input_type, patternfill) == 0 ){
		7318	free(input_type);
		7319	return PATTERNFILL;
		7320	}
		7321	if( strcmp(input_type, hatchfill) == 0 ){
		7322	free(input_type);
		7323	return HATCHFILL;
		7324	}
7647	schaersvoo	7325	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7326	free(input_type);
7647	schaersvoo	7327	return DIAMONDFILL;
7614	schaersvoo	7328	}
		7329	if( strcmp(input_type, dotfill) == 0 ){
		7330	free(input_type);
		7331	return DOTFILL;
		7332	}
		7333	if( strcmp(input_type, gridfill) == 0 ){
		7334	free(input_type);
		7335	return GRIDFILL;
		7336	}
		7337	if( strcmp(input_type, imagefill) == 0 ){
		7338	free(input_type);
		7339	return IMAGEFILL;
		7340	}
		7341	if( strcmp(input_type, clicktile_colors) == 0 ){
		7342	free(input_type);
		7343	return CLICKTILE_COLORS;
		7344	}
		7345	if( strcmp(input_type, clicktile) == 0 ){
		7346	free(input_type);
		7347	return CLICKTILE;
		7348	}
		7349	if( strcmp(input_type, xlogscale) == 0 ){
		7350	free(input_type);
		7351	return XLOGSCALE;
		7352	}
		7353	if( strcmp(input_type, ylogscale) == 0 ){
		7354	free(input_type);
		7355	return YLOGSCALE;
		7356	}
		7357	if( strcmp(input_type, xylogscale) == 0 ){
		7358	free(input_type);
		7359	return XYLOGSCALE;
		7360	}
		7361	if( strcmp(input_type, ylogscale) == 0 ){
		7362	free(input_type);
		7363	return YLOGSCALE;
		7364	}
7735	schaersvoo	7365	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7366	free(input_type);
7735	schaersvoo	7367	return XLOGBASE;
7614	schaersvoo	7368	}
7735	schaersvoo	7369	if( strcmp(input_type, ylogbase) == 0 ){
		7370	free(input_type);
		7371	return YLOGBASE;
		7372	}
7614	schaersvoo	7373	if( strcmp(input_type, intooltip) == 0 ){
		7374	free(input_type);
		7375	return INTOOLTIP;
		7376	}
		7377	if( strcmp(input_type,video) == 0 ){
		7378	free(input_type);
		7379	return VIDEO;
		7380	}
		7381	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7382	free(input_type);
		7383	return FLOODFILL;
8224	bpr	7384	}
7614	schaersvoo	7385	if( strcmp(input_type,filltoborder) == 0 ){
		7386	free(input_type);
		7387	return FILLTOBORDER;
8224	bpr	7388	}
7614	schaersvoo	7389	if( strcmp(input_type,clickfill) == 0 ){
		7390	free(input_type);
		7391	return CLICKFILL;
8224	bpr	7392	}
7614	schaersvoo	7393	if( strcmp(input_type, replyformat) == 0 ){
		7394	free(input_type);
		7395	return REPLYFORMAT;
		7396	}
		7397	if( strcmp(input_type, pixelsize) == 0 ){
		7398	free(input_type);
		7399	return PIXELSIZE;
		7400	}
		7401	if( strcmp(input_type, setpixel) == 0 ){
		7402	free(input_type);
		7403	return SETPIXEL;
		7404	}
		7405	if( strcmp(input_type, pixels) == 0 ){
		7406	free(input_type);
		7407	return PIXELS;
		7408	}
		7409	if( strcmp(input_type, clickfillmarge) == 0 ){
		7410	free(input_type);
		7411	return CLICKFILLMARGE;
		7412	}
		7413	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7414	free(input_type);
		7415	return X_AXIS_STRINGS;
		7416	}
		7417	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7418	free(input_type);
		7419	return Y_AXIS_STRINGS;
		7420	}
		7421	if( strcmp(input_type, piechart) == 0 ){
		7422	free(input_type);
		7423	return PIECHART;
		7424	}
		7425	if( strcmp(input_type, barchart) == 0 ){
		7426	free(input_type);
		7427	return BARCHART;
		7428	}
		7429	if( strcmp(input_type, linegraph) == 0 ){
		7430	free(input_type);
		7431	return LINEGRAPH;
		7432	}
		7433	if( strcmp(input_type, clock) == 0 ){
		7434	free(input_type);
		7435	return CLOCK;
		7436	}
		7437	if( strcmp(input_type, legend) == 0 ){
		7438	free(input_type);
		7439	return LEGEND;
		7440	}
		7441	if( strcmp(input_type, legendcolors) == 0 ){
		7442	free(input_type);
		7443	return LEGENDCOLORS;
		7444	}
		7445	if( strcmp(input_type, xlabel) == 0 ){
		7446	free(input_type);
		7447	return XLABEL;
		7448	}
		7449	if( strcmp(input_type, ylabel) == 0 ){
		7450	free(input_type);
		7451	return YLABEL;
		7452	}
		7453	if( strcmp(input_type, animate) == 0 ){
		7454	free(input_type);
		7455	return ANIMATE;
		7456	}
		7457	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7458	if( strcmp(input_type, transparent) == 0 ){
		7459	free(input_type);
		7460	return TRANSPARENT;
		7461	}
7877	schaersvoo	7462	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7463	free(input_type);
		7464	return STATUS;
		7465	}
		7466	if( strcmp(input_type, snaptogrid) == 0 ){
		7467	free(input_type);
		7468	return SNAPTOGRID;
		7469	}
7784	schaersvoo	7470	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7471	free(input_type);
		7472	return XSNAPTOGRID;
		7473	}
		7474	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7475	free(input_type);
		7476	return YSNAPTOGRID;
		7477	}
7652	schaersvoo	7478	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7479	free(input_type);
7652	schaersvoo	7480	return USERINPUT_XY;
		7481	}
8193	schaersvoo	7482	if( strcmp(input_type, userinput_function) == 0 ){
		7483	free(input_type);
		7484	return USERINPUT_FUNCTION;
		7485	}
7663	schaersvoo	7486	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7487	free(input_type);
		7488	return USERTEXTAREA_XY;
		7489	}
8222	schaersvoo	7490	if( strcmp(input_type, userinput) == 0 ){
		7491	free(input_type);
		7492	return USERINPUT;
		7493	}
7654	schaersvoo	7494	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7495	free(input_type);
7654	schaersvoo	7496	return SGRAPH;
		7497	}
7823	schaersvoo	7498	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7499	free(input_type);
7823	schaersvoo	7500	return JSMATH;
		7501	}
7858	schaersvoo	7502	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7503	free(input_type);
7858	schaersvoo	7504	return TRACE_JSCURVE;
7823	schaersvoo	7505	}
7858	schaersvoo	7506	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7507	free(input_type);
		7508	return JSCURVE;
		7509	}
7984	schaersvoo	7510	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7511	free(input_type);
		7512	return CENTERSTRING;
		7513	}
7838	schaersvoo	7514	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7515	free(input_type);
7838	schaersvoo	7516	return SETLIMITS;
		7517	}
7996	schaersvoo	7518	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7519	free(input_type);
7996	schaersvoo	7520	return XUNIT;
		7521	}
		7522	if( strcmp(input_type, yunit) == 0 ){
		7523	free(input_type);
		7524	return YUNIT;
		7525	}
8105	schaersvoo	7526	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7527	free(input_type);
8105	schaersvoo	7528	return ANGLE;
		7529	}
8244	schaersvoo	7530	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7531	free(input_type);
8244	schaersvoo	7532	return HALFLINE;
		7533	}
		7534	free(input_type);
7614	schaersvoo	7535	ungetc(c,infile);
		7536	return 0;
		7537	}
7856	schaersvoo	7538

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8262