WebSVN – wimsdev – Blame – /trunk/wims/src/Misc/canvasdraw/canvasdraw.c

Rev	Author	Line No.	Line
8299	schaersvoo	1	/*27/7/2013 version 0.01
7614	schaersvoo	2	"Inspired" by FLY program: http://martin.gleeson.com/fly
		3	*********************************************************************************
		4	* J.M. Evers 7/2013 *
		5	* This is all just amateur scriblings... So no copyrights. *
		6	* This source code file, and compiled objects derived from it, *
		7	* can be used and distributed without restriction, including for commercial use *
		8	* No warrenty whatsoever *
		9	*********************************************************************************
		10	*/
7848	bpr	11	#include "canvasdraw.h"
7614	schaersvoo	12
		13	/******************************************************************************
		14	** Internal Functions
		15	******************************************************************************/
		16	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		17	void sync_input(FILE infile);/ proceed with inputfile */
		18	void add_javascript_functions(int js_functions[], int canvas_root_id);
		19	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		20	int get_token(FILE infile); / read next char until EOL*/
8225	bpr	21	/*
7614	schaersvoo	22	int x2px(double x);
		23	int y2px(double y);
8225	bpr	24	*/
7614	schaersvoo	25	double px2x(int x);
		26	double px2y(int y);
7906	schaersvoo	27	double get_real(FILE infile,int last); / read a value; calculation and symbols allowed */
7614	schaersvoo	28	char str_replace ( const char word, const char sub_word, const char rep_word );
		29	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
7906	schaersvoo	30	char get_string(FILE infile,int last); /* get the string at the end of a command */
7614	schaersvoo	31	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		32	char convert_hex2rgb(char hexcolor);
8257	schaersvoo	33	void add_read_canvas(int canvas_root_id,int reply_format,int reply_precision);
7614	schaersvoo	34	void make_js_include(int canvas_root_id);
		35	void check_string_length(int length);/* checks if the length of string argument of command is correct */
8224	bpr	36	FILE *js_include_file;
7614	schaersvoo	37	FILE get_file(int line_number, char **filename);
		38	FILE infile; / will be stdin */
		39	/******************************************************************************
		40	** global
		41	******************************************************************************/
		42	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		43	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		44	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		45	int xsize = 320;
		46	int ysize = 320;
		47	double xmin = 0.0;
		48	double xmax = 320.0;
		49	double ymin = 0.0;
		50	double ymax = 320.0;
		51	double tmax = 2;
		52	double tmin = -2;
		53	/* flag to indicate parsing of line status */
8224	bpr	54	int done = FALSE;
7614	schaersvoo	55	int type; /* eg command number */
		56	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
8097	schaersvoo	57	int slider = 0;/* slider=1 : x-values ; slider=2 : y-values;slider=3 angle values */
7785	schaersvoo	58	int use_affine = FALSE;
7614	schaersvoo	59	int use_rotate = FALSE;
		60	int use_filled = FALSE;
		61	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
8097	schaersvoo	62
7614	schaersvoo	63	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		64
		65	/******************************************************************************
		66	** Main Program
		67	******************************************************************************/
		68	int main(int argc, char *argv[]){
		69	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		70	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		71	infile = stdin;/* read flyscript via stdin */
		72	int i,c;
		73	double double_data[MAX_INT+1];
		74	int int_data[MAX_INT+1];
		75	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		76	int use_parametric = FALSE;/* will be reset after parametric plotting */
		77	int use_axis = FALSE;
		78	int use_axis_numbering = FALSE;
7797	schaersvoo	79	int use_pan_and_zoom = FALSE;
7956	schaersvoo	80	int use_safe_eval = FALSE; /* if true, add just once : js function to evaluate userinput values for plotting etc */
7858	schaersvoo	81	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		82	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
7614	schaersvoo	83	int line_width = 1;
		84	int decimals = 2;
		85	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		86	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		87	int drag_type = -1;/* 0,1,2 : xy,x,y */
		88	int use_tooltip = FALSE;
		89	char *tooltip_text = "Click here";
		90	char temp = ""; / */
		91	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		92	char *stroke_color = "255,0,0";
		93	char *fill_color = "0,255,0";
		94	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		95	char *font_color = "#00000";
		96	char *draw_type = "points";
		97	char *fly_font = "normal";
		98	char *input_style = "";
		99	char *flytext = "";
7785	schaersvoo	100	char *affine_matrix = "[1,0,0,1,0,0]";
8297	schaersvoo	101	char *function_label = "f(x)=";
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;
8299	schaersvoo	420	case SEGMENTS:
		421	/*
		422	@ segments color,x1,y1,x2,y2,...,x_n,y_n
		423	@ draw multiple segments at given coordinates in color 'color'
		424	@ use command 'linewidth int' to adust size
		425	@ may be set draggable / onclick individually (!)
		426	*/
		427	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		428	fill_color = stroke_color;
		429	i=0;
		430	while( ! done ){ /* get next item until EOL*/
		431	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		432	if(i%2 == 0 ){
		433	double_data[i] = get_real(infile,0); /* x */
		434	}
		435	else
		436	{
		437	double_data[i] = get_real(infile,1); /* y */
		438	}
		439	i++;
		440	}
		441	decimals = find_number_of_digits(precision);
		442	for(c = 0 ; c < i-1 ; c = c+4){
		443	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[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+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);
		444	click_cnt++;
		445	}
		446	reset();
		447	break;
7614	schaersvoo	448	case SEGMENT:
		449	/*
		450	@ segment x1,y1,x2,y2,color
		451	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		452	@ may be set draggable / onclick
		453	*/
		454	for(i=0;i<5;i++) {
		455	switch(i){
		456	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		457	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		458	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		459	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		460	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		461	decimals = find_number_of_digits(precision);
8097	schaersvoo	462	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	463	click_cnt++;reset();
		464	break;
		465	default: break;
		466	}
		467	}
		468	break;
		469	case LINE:
		470	/*
		471	@ line x1,y1,x2,y2,color
		472	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		473	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		474	@ may be set draggable / onclick
		475	*/
		476	for(i=0;i<5;i++){
		477	switch(i){
		478	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		479	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		480	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		481	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		482	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		483	if( double_data[10] == double_data[12] ){ /* vertical line*/
		484	double_data[1] = xmin;
		485	double_data[3] = ymax;
		486	double_data[0] = double_data[10];
		487	double_data[2] = double_data[10];
		488	}
		489	else
		490	{
		491	if( double_data[11] == double_data[13] ){ /* horizontal line */
		492	double_data[1] = double_data[11];
		493	double_data[3] = double_data[11];
		494	double_data[0] = ymin;
		495	double_data[2] = xmax;
		496	}
		497	else
		498	{
		499	/* m */
		500	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		501	/* q */
		502	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
8224	bpr	503
7614	schaersvoo	504	/xmin,mxmin+q,xmax,mxmax+q/
8224	bpr	505
7614	schaersvoo	506	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		507	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		508	double_data[0] = xmin;
		509	double_data[2] = xmax;
		510	}
		511	}
		512	decimals = find_number_of_digits(precision);
8097	schaersvoo	513	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	514	click_cnt++;reset();
		515	break;
		516	}
		517	}
		518	break;
8244	schaersvoo	519	case HALFLINE:
		520	/*
		521	@ demiline x1,y1,x2,y2,color
		522	@ alternative : halfline
		523	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
		524	@ may be set draggable / onclick
		525	*/
		526	for(i=0;i<5;i++){
		527	switch(i){
		528	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		529	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		530	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		531	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		532	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		533	if(double_data[0] == double_data[10]){ /* vertical halfline */
		534	if(double_data[1] < double_data[11]){
		535	double_data[3] = ymax + 1000;
		536	}
		537	else
		538	{
		539	double_data[3] = ymin - 1000;
		540	}
		541	double_data[2] = double_data[0];
		542	}
		543	else
		544	{ /* horizontal halfline*/
		545	if( double_data[1] == double_data[11] ){
		546	if( double_data[0] < double_data[10] ){
		547	double_data[2] = xmax + 1000; /* halfline to the right */
		548	}
		549	else
		550	{
		551	double_data[2] = xmin - 1000; /* halfline to the left */
		552	}
		553	double_data[3] = double_data[1];
		554	}
		555	else
		556	{
		557	/* any other halfline */
		558	/* slope */
		559	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		560	/* const */
		561	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		562	if( double_data[0] < double_data[10] ){
		563	double_data[2] = double_data[2] + 1000;
		564	}
		565	else
		566	{
		567	double_data[2] = double_data[2] - 1000;
		568	}
		569	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		570	}
		571	}
		572	decimals = find_number_of_digits(precision);
		573	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);
		574	click_cnt++;reset();
		575	break;
		576	}
		577	}
		578
		579	break;
8224	bpr	580	case HLINE:
7614	schaersvoo	581	/*
		582	@ hline x,y,color
		583	@ draw a horizontal line through point (x:y) in color 'color'
		584	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		585	@ may be set draggable / onclick
		586	*/
		587	for(i=0;i<3;i++) {
		588	switch(i){
		589	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		590	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		591	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		592	double_data[3] = double_data[1];
		593	decimals = find_number_of_digits(precision);
8097	schaersvoo	594	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	595	click_cnt++;reset();
		596	break;
		597	}
		598	}
		599	break;
		600	case VLINE:
		601	/*
		602	@ vline x,y,color
		603	@ draw a vertical line through point (x:y) in color 'color'
		604	@ may be set draggable / onclick
		605	*/
		606	for(i=0;i<3;i++) {
		607	switch(i){
		608	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		609	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		610	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		611	double_data[2] = double_data[0];
		612	decimals = find_number_of_digits(precision);
8097	schaersvoo	613	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	614	click_cnt++;reset();
		615	break;
		616	}
		617	}
		618	break;
		619	case SQUARE:
		620	/*
8071	schaersvoo	621	@ square x,y,side (px) ,color
7614	schaersvoo	622	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		623	@ use command 'fsquare x,y,side,color' for a filled square
		624	@ use command/keyword 'filled' before command 'square x,y,side,color'
		625	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		626	@ may be set draggable / onclick
		627	*/
		628	for(i=0;i<5;i++){
		629	switch(i){
8071	schaersvoo	630	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		631	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		632	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		633	case 3:
		634	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	635	decimals = find_number_of_digits(precision);
8071	schaersvoo	636	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		637	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	638	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	639	click_cnt++;reset();
		640	break;
		641	}
		642	}
		643	break;
		644	case ROUNDRECT:
		645	/*
		646	@ roundrect x1,y1,x2,y2,radius,color
		647	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		648	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		649	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		650	@ may be set draggable / onclick
		651	*/
		652	for(i=0;i<6;i++){
		653	switch(i){
		654	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		655	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		656	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		657	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		658	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		659	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	660	/* ensure no inverted roundrect is produced... */
		661	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	662	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	663	decimals = find_number_of_digits(precision);
8097	schaersvoo	664	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	665	click_cnt++;reset();
		666	break;
		667	}
		668	}
		669	break;
		670	case RECT:
		671	/*
		672	@ rect x1,y1,x2,y2,color
		673	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		674	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		675	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		676	@ may be set draggable / onclick
		677	*/
		678	for(i=0;i<5;i++){
		679	switch(i){
		680	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		681	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		682	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		683	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		684	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		685	decimals = find_number_of_digits(precision);
8097	schaersvoo	686	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	687	click_cnt++;reset();
		688	break;
		689	}
		690	}
		691	break;
		692	case POLYLINE:
		693	/*
		694	@ polyline color,x1,y1,x2,y2...x_n,y_n
		695	@ may be set draggable / onclick
		696	*/
		697	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		698	i=0;
		699	c=0;
		700	while( ! done ){ /* get next item until EOL*/
		701	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		702	for( c = 0 ; c < 2; c++){
		703	if(c == 0 ){
		704	double_data[i] = get_real(infile,0);
		705	i++;
		706	}
		707	else
		708	{
		709	double_data[i] = get_real(infile,1);
		710	i++;
		711	}
		712	}
		713	}
		714	/* draw path : not closed & not filled */
		715	decimals = find_number_of_digits(precision);
8097	schaersvoo	716	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	717	click_cnt++;reset();
		718	break;
		719	case POLY:
		720	/*
		721	@ poly color,x1,y1,x2,y2...x_n,y_n
		722	@ draw closed polygon
		723	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		724	@ may be set draggable / onclick
		725	*/
		726	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		727	i=0;
		728	c=0;
		729	while( ! done ){ /* get next item until EOL*/
		730	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		731	for( c = 0 ; c < 2; c++){
		732	if(c == 0 ){
		733	double_data[i] = get_real(infile,0);
		734	i++;
		735	}
		736	else
		737	{
		738	double_data[i] = get_real(infile,1);
		739	i++;
		740	}
		741	}
		742	}
		743	/* draw path : closed & optional filled */
		744	decimals = find_number_of_digits(precision);
8097	schaersvoo	745	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	746	click_cnt++;reset();
		747	break;
8224	bpr	748	case ARC:
7614	schaersvoo	749	/*
		750	@ arc xc,yc,width,height,start_angle,end_angle,color
		751	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	752	@ attention: width == height == radius in pixels
		753	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		754	@ use command 'angle' for scalable angle
7614	schaersvoo	755	*/
		756	for(i=0;i<7;i++){
		757	switch(i){
		758	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		759	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		760	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		761	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		762	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		763	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		764	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		765	/* in Shape library:
		766	x[0] = x[1] = xc
		767	y[0] = y[1] = yc
8224	bpr	768	w[0] = w[1] = radius = width = height
		769	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	770	*/
		771	decimals = find_number_of_digits(precision);
8097	schaersvoo	772	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	773	reset();
		774	break;
		775	}
		776	}
		777	break;
8224	bpr	778	case ANGLE:
8105	schaersvoo	779	/*
		780	@ angle xc,yc,width,start_angle,end_angle,color
		781	@ width is in x-range
		782	@ will zoom in/out
		783	@ if size is controlled by command 'slider' use radians to set limits of slider.
		784	*/
		785	for(i=0;i<7;i++){
		786	switch(i){
		787	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		788	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		789	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		790	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		791	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		792	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		793	decimals = find_number_of_digits(precision);
		794	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);
		795	reset();
		796	break;
		797	}
		798	}
		799	break;
		800
7614	schaersvoo	801	case ELLIPSE:
		802	/*
		803	@ ellipse xc,yc,radius_x,radius_y,color
8224	bpr	804	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	805	@ radius_x and radius_y are in pixels
		806	@ may be set draggable / onclick
8224	bpr	807	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	808	*/
		809	for(i=0;i<5;i++){
		810	switch(i){
		811	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		812	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		813	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
8224	bpr	814	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	815	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		816	decimals = find_number_of_digits(precision);
8097	schaersvoo	817	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	818	click_cnt++;reset();
		819	break;
		820	}
		821	}
		822	break;
		823	case DASHTYPE:
		824	/*
		825	@ dashtype int ,int
7956	schaersvoo	826	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	827	@ default value "dashtype 2,2"
		828	*/
		829	for(i=0;i<2;i++){
		830	switch(i){
		831	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		832	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		833	}
		834	}
		835	break;
		836	case CIRCLE:
		837	/*
		838	@ circle xc,yc,width (2*r in pixels),color
		839	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		840	@ use command 'fillcolor color' to set the fillcolor
		841	@ may be set draggable / onclick
8224	bpr	842	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	843	*/
		844	for(i=0;i<4;i++){
		845	switch(i){
		846	case 0: double_data[0] = get_real(infile,0);break; /* x */
		847	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	848	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	849	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		850	decimals = find_number_of_digits(precision);
8097	schaersvoo	851	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	852	click_cnt++;reset();
		853	break;
		854	}
		855	}
		856	break;
		857	case RAYS:
		858	/*
		859	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		860	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	861	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	862	*/
		863	stroke_color=get_color(infile,0);
7786	schaersvoo	864	fill_color = stroke_color;
		865	double_data[0] = get_real(infile,0);/* xc */
		866	double_data[1] = get_real(infile,0);/* yc */
		867	i=2;
		868	while( ! done ){ /* get next item until EOL*/
		869	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		870	if(i%2 == 0 ){
		871	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	872	}
7786	schaersvoo	873	else
		874	{
		875	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	876	}
7786	schaersvoo	877	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		878	i++;
7614	schaersvoo	879	}
8224	bpr	880
		881	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		882	decimals = find_number_of_digits(precision);
7786	schaersvoo	883	for(c=2; c<i;c = c+2){
7614	schaersvoo	884	click_cnt++;
8097	schaersvoo	885	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	886	}
		887	reset();
		888	break;
		889	case ARROW:
		890	/*
		891	@ arrow x1,y1,x2,y2,h,color
		892	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		893	@ use command 'linewidth int' to adjust thickness of the arrow
		894	@ may be set draggable / onclick
		895	*/
		896	for(i=0;i<6;i++){
		897	switch(i){
		898	case 0: double_data[0] = get_real(infile,0);break; /* x */
		899	case 1: double_data[1] = get_real(infile,0);break; /* y */
		900	case 2: double_data[2] = get_real(infile,0);break; /* x */
		901	case 3: double_data[3] = get_real(infile,0);break; /* y */
		902	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		903	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		904	decimals = find_number_of_digits(precision);
8097	schaersvoo	905	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	906	click_cnt++;
		907	reset();
		908	break;
		909	}
		910	}
		911	break;
		912	case ARROW2:
		913	/*
		914	@ arrow2 x1,y1,x2,y2,h,color
		915	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		916	@ use command 'arrowhead int' to adjust the arrow head size
		917	@ use command 'linewidth int' to adjust thickness of the arrow
		918	@ may be set draggable / onclick
		919	*/
		920	for(i=0;i<6;i++){
		921	switch(i){
		922	case 0: double_data[0] = get_real(infile,0);break; /* x */
		923	case 1: double_data[1] = get_real(infile,0);break; /* y */
		924	case 2: double_data[2] = get_real(infile,0);break; /* x */
		925	case 3: double_data[3] = get_real(infile,0);break; /* y */
		926	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		927	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		928	decimals = find_number_of_digits(precision);
8097	schaersvoo	929	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	930	click_cnt++;reset();
		931	break;
		932	}
		933	}
		934	break;
8224	bpr	935	case PARALLEL:
7614	schaersvoo	936	/*
		937	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
8224	bpr	938	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	939	*/
		940	for( i = 0;i < 8; i++ ){
		941	switch(i){
		942	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		943	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		944	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		945	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		946	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		947	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		948	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		949	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		950	decimals = find_number_of_digits(precision);
8097	schaersvoo	951	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	952	click_cnt++;reset();
		953	break;
		954	default: break;
		955	}
		956	}
		957	break;
		958	case TRIANGLE:
		959	/*
		960	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	961	@may be set draggable / onclic
7614	schaersvoo	962	*/
		963	for(i=0;i<7;i++){
		964	switch(i){
		965	case 0: double_data[0] = get_real(infile,0);break; /* x */
		966	case 1: double_data[1] = get_real(infile,0);break; /* y */
		967	case 2: double_data[2] = get_real(infile,0);break; /* x */
		968	case 3: double_data[3] = get_real(infile,0);break; /* y */
		969	case 4: double_data[4] = get_real(infile,0);break; /* x */
		970	case 5: double_data[5] = get_real(infile,0);break; /* y */
		971	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		972	decimals = find_number_of_digits(precision);
8097	schaersvoo	973	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	974	click_cnt++;reset();
		975	break;
		976	default: break;
		977	}
		978	}
		979	break;
		980	case LATTICE:
		981	/*
		982	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
8224	bpr	983	@can not be set "onclick" or "drag xy"
7614	schaersvoo	984	*/
		985	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		986	for( i = 0; i<9; i++){
		987	switch(i){
		988	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		989	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		990	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	991	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	992	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	993	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	994	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		995	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		996	case 8: stroke_color=get_color(infile,1);
		997	decimals = find_number_of_digits(precision);
8071	schaersvoo	998	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	999	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1000	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	1001	add_to_buffer(tmp_buffer);
		1002	break;
		1003	default:break;
		1004	}
		1005	}
		1006	reset();
		1007	break;
		1008	case SNAPTOGRID:
		1009	/*
		1010	@ snaptogrid
		1011	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1012	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	1013	@ 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	1014	*/
7881	schaersvoo	1015	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	1016	break;
7784	schaersvoo	1017	case XSNAPTOGRID:
		1018	/*
		1019	@ xsnaptogrid
		1020	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1021	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	1022	@ 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	1023	*/
7881	schaersvoo	1024	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	1025	break;
		1026	case YSNAPTOGRID:
		1027	/*
		1028	@ ysnaptogrid
		1029	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1030	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	1031	@ 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	1032	*/
7881	schaersvoo	1033	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1034	break;
8222	schaersvoo	1035	case USERINPUT:
		1036	/*
		1037	@ userinput function \| textarea \| inputfield
		1038	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1039	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1040	@ function may be used any time (e.g. without userdraw)
8297	schaersvoo	1041	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		1042	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
		1043	@ the userinput for the function will be corrected by a simple 'rawmath' implementation...
8222	schaersvoo	1044	*/
		1045	temp = get_string_argument(infile,1);
		1046	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1047	if( js_function[DRAW_JSFUNCTION] != 1 ){
8297	schaersvoo	1048	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
8222	schaersvoo	1049	js_function[DRAW_JSFUNCTION] = 1;
		1050	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1051	add_input_jsfunction(js_include_file,canvas_root_id,input_style,function_label,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1]);
8222	schaersvoo	1052	input_cnt++;
		1053	}
8297	schaersvoo	1054	else
		1055	{
		1056	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1057	fprintf(js_include_file,"add_input_jsfunction(%d,\"%s\",\"%s\",%d,\"%s\",\"%.2f\",%d,%d,%d);\n",input_cnt,input_style,function_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1058	input_cnt++;
		1059	}
8222	schaersvoo	1060	if( use_js_math == FALSE){/* add this stuff only once...*/
		1061	add_to_js_math(js_include_file);
		1062	use_js_math = TRUE;
		1063	}
		1064	if( use_js_plot == FALSE){
		1065	use_js_plot = TRUE;
		1066	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1067	}
		1068	}
		1069	else
		1070	{
		1071	if(strstr(temp,"inputfield") != 0 ){
		1072	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1073	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1074	use_input_xy = 1;
		1075	}
		1076	else
		1077	{
		1078	if(strstr(temp,"textarea") != 0 ){
		1079	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1080	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1081	use_input_xy = 2;
		1082	}
		1083	else
		1084	{
		1085	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1086	}
		1087	}
		1088	}
		1089	break;
7663	schaersvoo	1090	case USERTEXTAREA_XY:
		1091	/*
		1092	@ usertextarea_xy
8224	bpr	1093	@ keyword
7663	schaersvoo	1094	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1095	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1096	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1097	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1098	*/
7856	schaersvoo	1099	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1100	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1101	use_input_xy = 2;
		1102	break;
7652	schaersvoo	1103	case USERINPUT_XY:
		1104	/*
		1105	@ userinput_xy
8224	bpr	1106	@ keyword
7652	schaersvoo	1107	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1108	@ 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	1109	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1110	@ 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	1111	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1112	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1113	*/
7749	schaersvoo	1114	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1115	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1116	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1117	use_input_xy = 1;
		1118	break;
8297	schaersvoo	1119	case FUNCTION_LABEL:
		1120	function_label = get_string_argument(infile,1);
		1121	break;
8193	schaersvoo	1122	case USERINPUT_FUNCTION:
		1123	/*
		1124	@ userinput_function
		1125	@ keyword
		1126	@ if set , a inputfield will be added to the page
8297	schaersvoo	1127	@ repeat keyword for more function input fields
8193	schaersvoo	1128	@ the userinput value will be plotted in the canvas
		1129	@ 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
		1130	@ 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
		1131	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1132	*/
8224	bpr	1133	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1134	js_function[DRAW_JSFUNCTION] = 1;
8297	schaersvoo	1135	add_rawmath(js_include_file);
8193	schaersvoo	1136	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1137	add_input_jsfunction(js_include_file,canvas_root_id,input_style,function_label,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1]);
8193	schaersvoo	1138	input_cnt++;
		1139	}
8297	schaersvoo	1140	else
		1141	{
		1142	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1143	fprintf(js_include_file,"add_input_jsfunction(%d,\"%s\",\"%s\",%d,\"%s\",\"%.2f\",%d,%d,%d);\n",input_cnt,input_style,function_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1144	input_cnt++;
		1145	}
8193	schaersvoo	1146	if( use_js_math == FALSE){/* add this stuff only once...*/
		1147	add_to_js_math(js_include_file);
		1148	use_js_math = TRUE;
		1149	}
		1150	if( use_js_plot == FALSE){
		1151	use_js_plot = TRUE;
		1152	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1153	}
		1154	break;
7614	schaersvoo	1155	case USERDRAW:
		1156	/*
		1157	@ userdraw object_type,color
8244	schaersvoo	1158	@ 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	1159	@ 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	1160	@ 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	1161	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1162	@ 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)
		1163	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1164	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1165	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1166	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1167	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1168	@ 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	1169	*/
		1170	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1171	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1172	}
8074	schaersvoo	1173	reply_precision = precision;
7614	schaersvoo	1174	use_userdraw = TRUE;
8130	schaersvoo	1175	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	1176	draw_type = get_string_argument(infile,0);
		1177	stroke_color = get_color(infile,1);
		1178	if( strcmp(draw_type,"point") == 0 ){
		1179	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1180	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1181	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1182	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1183	if(use_input_xy == 1){
7652	schaersvoo	1184	add_input_circle(js_include_file,1,1);
		1185	add_input_xy(js_include_file,canvas_root_id);
		1186	}
7614	schaersvoo	1187	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);
		1188	}
		1189	else
		1190	if( strcmp(draw_type,"points") == 0 ){
		1191	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1192	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1193	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1194	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1195	if(use_input_xy == 1){
7652	schaersvoo	1196	add_input_circle(js_include_file,1,2);
		1197	add_input_xy(js_include_file,canvas_root_id);
		1198	}
7614	schaersvoo	1199	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);
		1200	}
		1201	else
		1202	if( strcmp(draw_type,"segment") == 0 ){
		1203	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1204	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1205	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1206	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1207	if(use_input_xy == 1){
7652	schaersvoo	1208	add_input_segment(js_include_file,1);
		1209	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1210	}
7614	schaersvoo	1211	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1212	}
		1213	else
7663	schaersvoo	1214	if( strcmp(draw_type,"polyline") == 0 ){
		1215	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1216	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1217	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1218	if( use_input_xy == 1 ){
		1219	add_input_polyline(js_include_file);
		1220	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1221	}
		1222	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1223	}
		1224	else
7614	schaersvoo	1225	if( strcmp(draw_type,"segments") == 0 ){
		1226	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1227	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1228	if(reply_format == 0){reply_format = 11;}
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){
7652	schaersvoo	1231	add_input_segment(js_include_file,2);
		1232	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1233	}
7614	schaersvoo	1234	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1235	}
		1236	else
		1237	if( strcmp(draw_type,"circle") == 0 ){
		1238	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1239	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1240	/* 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	1241	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1242	if(use_input_xy == 1){
7652	schaersvoo	1243	add_input_circle(js_include_file,2,1);
		1244	add_input_xyr(js_include_file,canvas_root_id);
		1245	}
7614	schaersvoo	1246	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]);
		1247	}
		1248	else
		1249	if( strcmp(draw_type,"circles") == 0 ){
		1250	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1251	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1252	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1253	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	1254	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1255	if(use_input_xy == 1){
7652	schaersvoo	1256	add_input_circle(js_include_file,2,2);
		1257	add_input_xyr(js_include_file,canvas_root_id);
		1258	}
7614	schaersvoo	1259	}
		1260	else
		1261	if(strcmp(draw_type,"crosshair") == 0 ){
		1262	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1263	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1264	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1265	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1266	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1267	if(use_input_xy == 1){
7654	schaersvoo	1268	add_input_crosshair(js_include_file,1);
		1269	add_input_xy(js_include_file,canvas_root_id);
		1270	}
7614	schaersvoo	1271	}
		1272	else
		1273	if(strcmp(draw_type,"crosshairs") == 0 ){
		1274	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1275	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1276	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1277	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1278	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1279	if(use_input_xy == 1){
7654	schaersvoo	1280	add_input_crosshair(js_include_file,2);
		1281	add_input_xy(js_include_file,canvas_root_id);
		1282	}
7614	schaersvoo	1283	}
		1284	else
		1285	if(strcmp(draw_type,"freehandline") == 0 ){
		1286	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1287	if(reply_format == 0){reply_format = 6;}
8224	bpr	1288	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	1289	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1290	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1291	}
		1292	else
		1293	if(strcmp(draw_type,"freehandlines") == 0 ){
		1294	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1295	if(reply_format == 0){reply_format = 6;}
8224	bpr	1296	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	1297	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1298	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1299	}
		1300	else
		1301	if(strcmp(draw_type,"path") == 0 ){
		1302	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1303	if(reply_format == 0){reply_format = 6;}
8224	bpr	1304	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	1305	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1306	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1307	}
		1308	else
		1309	if(strcmp(draw_type,"paths") == 0 ){
		1310	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1311	if(reply_format == 0){reply_format = 6;}
8224	bpr	1312	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	1313	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1314	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1315	}
		1316	else
		1317	if(strcmp(draw_type,"arrows") == 0 ){
		1318	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1319	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1320	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	1321	if(use_input_xy == 1){
7654	schaersvoo	1322	add_input_arrow(js_include_file,2);
		1323	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1324	}
8071	schaersvoo	1325	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1326	}
		1327	else
7874	schaersvoo	1328	if(strcmp(draw_type,"arrows2") == 0 ){
		1329	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1330	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1331	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	1332	if(use_input_xy == 1){
7874	schaersvoo	1333	add_input_arrow(js_include_file,1);
		1334	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1335	}
8071	schaersvoo	1336	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1337	}
		1338	else
		1339	if(strcmp(draw_type,"arrow2") == 0 ){
		1340	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1341	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1342	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	1343	if(use_input_xy == 1){
7874	schaersvoo	1344	add_input_arrow(js_include_file,1);
		1345	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1346	}
8071	schaersvoo	1347	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1348	}
		1349	else
7614	schaersvoo	1350	if(strcmp(draw_type,"arrow") == 0 ){
		1351	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1352	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1353	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	1354	if(use_input_xy == 1){
7654	schaersvoo	1355	add_input_arrow(js_include_file,1);
		1356	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1357	}
8071	schaersvoo	1358	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1359	}
		1360	else
		1361	if(strcmp(draw_type,"polygon") == 0){
		1362	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1363	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1364	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	1365	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1366	if(use_input_xy == 2){
7780	schaersvoo	1367	add_textarea_polygon(js_include_file);
		1368	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1369	}
7614	schaersvoo	1370	}
8224	bpr	1371	else
7614	schaersvoo	1372	if(strncmp(draw_type,"poly",4) == 0){
		1373	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1374	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1375	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1376	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	1377	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1378	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1379	}
8224	bpr	1380	else
7614	schaersvoo	1381	if(strcmp(draw_type,"triangle") == 0){
		1382	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1383	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1384	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	1385	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1386	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1387	}
8224	bpr	1388	else
7989	schaersvoo	1389	if( strcmp(draw_type,"hline") == 0 ){
		1390	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1391	if(reply_format == 0){reply_format = 11;}
		1392	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1393	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1394	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1395	}
		1396	else
		1397	if( strcmp(draw_type,"hlines") == 0 ){
		1398	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1399	if(reply_format == 0){reply_format = 11;}
		1400	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1401	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1402	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1403	}
		1404	else
		1405	if( strcmp(draw_type,"vline") == 0 ){
		1406	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1407	if(reply_format == 0){reply_format = 11;}
		1408	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1409	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1410	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1411	}
		1412	else
		1413	if( strcmp(draw_type,"vlines") == 0 ){
		1414	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1415	if(reply_format == 0){reply_format = 11;}
		1416	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1417	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1418	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1419	}
		1420	else
7614	schaersvoo	1421	if( strcmp(draw_type,"line") == 0 ){
		1422	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1423	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1424	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1425	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1426	if( use_input_xy == 1 ){
7780	schaersvoo	1427	add_input_line(js_include_file,1);
7747	schaersvoo	1428	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1429	}
8071	schaersvoo	1430	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1431	}
		1432	else
		1433	if( strcmp(draw_type,"lines") == 0 ){
		1434	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1435	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1436	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1437	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1438	if( use_input_xy == 1 ){
7780	schaersvoo	1439	add_input_line(js_include_file,2);
7747	schaersvoo	1440	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1441	}
8071	schaersvoo	1442	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1443	}
		1444	else
8244	schaersvoo	1445	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1446	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1447	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1448	if(reply_format == 0){reply_format = 11;}
		1449	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1450	if( use_input_xy == 1 ){
		1451	add_input_demiline(js_include_file,2);
		1452	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1453	}
		1454	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1455	}
		1456	else
		1457	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1458	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1459	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1460	if(reply_format == 0){reply_format = 11;}
		1461	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1462	if( use_input_xy == 1 ){
		1463	add_input_demiline(js_include_file,1);
		1464	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1465	}
		1466	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1467	}
		1468	else
7614	schaersvoo	1469	if( strcmp(draw_type,"rects") == 0){
		1470	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1471	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1472	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	1473	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1474	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1475	}
8224	bpr	1476	else
7614	schaersvoo	1477	if( strcmp(draw_type,"roundrects") == 0){
		1478	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1479	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1480	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	1481	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1482	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1483	}
8224	bpr	1484	else
7614	schaersvoo	1485	if( strcmp(draw_type,"rect") == 0){
		1486	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1487	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1488	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	1489	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1490	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1491	}
8224	bpr	1492	else
7614	schaersvoo	1493	if( strcmp(draw_type,"roundrect") == 0){
		1494	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1495	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1496	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	1497	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1498	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1499	}
		1500	else
8083	schaersvoo	1501	if( strcmp(draw_type,"arcs") == 0){
		1502	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1503	if(reply_format == 0){reply_format = 25;}
		1504	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]);
		1505	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1506	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1507	}
		1508	else
8071	schaersvoo	1509	if( strcmp(draw_type,"arc") == 0){
		1510	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1511	if(reply_format == 0){reply_format = 25;}
		1512	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	1513	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1514	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1515	}
		1516	else
7614	schaersvoo	1517	if( strcmp(draw_type,"text") == 0){
8224	bpr	1518	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1519	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1520	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1521	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1522	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1523	}
8116	schaersvoo	1524	else
		1525	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1526	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1527	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1528	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1529	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1530	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1531	}
		1532	else
		1533	if( strcmp(draw_type,"input") == 0){
8224	bpr	1534	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1535	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1536	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1537	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1538	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1539	}
8193	schaersvoo	1540	else
7614	schaersvoo	1541	{
		1542	canvas_error("unknown drawtype or typo? ");
		1543	}
		1544	reset();
		1545	break;
		1546	case PLOTSTEPS:
		1547	/*
		1548	@ plotsteps a_number
		1549	@ default 150
		1550	@ use with care !
		1551	*/
		1552	plot_steps = (int) (get_real(infile,1));
		1553	break;
		1554	case FONTSIZE:
		1555	/*
		1556	@fontsize font_size
		1557	@default value 12
		1558	*/
		1559	font_size = (int) (get_real(infile,1));
		1560	break;
		1561	case FONTCOLOR:
		1562	/*
		1563	@fontcolor color
		1564	@color: hexcolor or colorname
		1565	@default: black
		1566	@example usage: x/y-axis text
		1567	*/
		1568	font_color = get_color(infile,1);
		1569	break;
		1570	case ANIMATE:
		1571	/*
		1572	@animate type
8109	schaersvoo	1573	@REMOVED : this should be done with a slider
7614	schaersvoo	1574	@type may be "point" (nothing else , yet...)
		1575	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1576	@will animate a point on the next plot/curve command
		1577	@the curve will not be draw
		1578	@moves repeatedly from xmin to xmax
		1579	*/
		1580	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1581	break;
7788	schaersvoo	1582	case LEVELCURVE:
		1583	/*
		1584	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1585	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1586	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1587	@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
		1588	@note : the arrays for holding the javascript data are limited in size
		1589	@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	1590	*/
7792	schaersvoo	1591	fill_color = get_color(infile,0);
7788	schaersvoo	1592	char *fun1 = get_string_argument(infile,0);
		1593	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1594	i = 0;
		1595	done = FALSE;
		1596	while( !done ){
		1597	double_data[i] = get_real(infile,1);
		1598	i++;
		1599	}
		1600	for(c = 0 ; c < i; c++){
8097	schaersvoo	1601	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	1602	click_cnt++;
		1603	}
		1604	reset();
		1605	break;
7858	schaersvoo	1606	case TRACE_JSCURVE:
7823	schaersvoo	1607	/*
7858	schaersvoo	1608	@trace_jscurve some_math_function
7823	schaersvoo	1609	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1610	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1611	@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	1612	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1613	@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	1614	*/
		1615	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1616	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1617	if( use_js_math == FALSE){
		1618	add_to_js_math(js_include_file);
		1619	use_js_math = TRUE;
		1620	}
7823	schaersvoo	1621	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);
		1622	break;
		1623	case JSMATH:
		1624	/*
7858	schaersvoo	1625	@jsmath some_math_function
7856	schaersvoo	1626	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1627	@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	1628	@example: jsmath sin(x^2)
		1629	@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	1630	*/
		1631	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1632	if( use_js_math == FALSE){
		1633	add_to_js_math(js_include_file);
		1634	use_js_math = TRUE;
		1635	}
7823	schaersvoo	1636	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1637	break;
7858	schaersvoo	1638	case JSCURVE:
		1639	/*
		1640	@jscurve color,formula(x)
		1641	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1642	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1643	@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	1644	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1645	@no validity check is done by wims.
		1646	@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
		1647	@use command 'trace_jscurve formula(x)` for tracing
		1648	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1649	@can not be set draggable / onclick (yet)
8224	bpr	1650	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1651	*/
		1652	stroke_color = get_color(infile,0);
		1653	if( use_js_math == FALSE){/* add this stuff only once...*/
		1654	add_to_js_math(js_include_file);
		1655	use_js_math = TRUE;
		1656	}
		1657	if( use_js_plot == FALSE){
		1658	use_js_plot = TRUE;
		1659	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1660	}
		1661	temp = get_string_argument(infile,1);
		1662	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]);
		1663	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1664	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]);
		1665	add_to_buffer(tmp_buffer);
		1666	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1667
		1668	break;
7614	schaersvoo	1669	case CURVE:
		1670	/*
		1671	@curve color,formula(x)
		1672	@plot color,formula(x)
		1673	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1674	@use command "precision" to increase the number of digits of the plotted points
		1675	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1676	@may be set draggable / onclick
		1677	*/
		1678	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1679	use_parametric = FALSE;
		1680	stroke_color = get_color(infile,0);
		1681	char *fun1 = get_string_argument(infile,0);
		1682	char *fun2 = get_string_argument(infile,1);
		1683	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1684	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	1685	click_cnt++;
		1686	}
		1687	else
		1688	{
		1689	stroke_color = get_color(infile,0);
		1690	char *fun1 = get_string_argument(infile,1);
8224	bpr	1691	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1692	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	1693	click_cnt++;
		1694	}
7788	schaersvoo	1695	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1696	reset();
		1697	break;
		1698	case FLY_TEXT:
		1699	/*
		1700	@ text fontcolor,x,y,font,text_string
		1701	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1702	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1703	@ may be set "onclick" or "drag xy"
		1704	@ backwards compatible with flydraw
		1705	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1706	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		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	*/
		1709	for(i = 0; i < 5 ;i++){
		1710	switch(i){
		1711	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1712	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1713	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1714	case 3: fly_font = get_string_argument(infile,0);
		1715	if(strcmp(fly_font,"giant") == 0){
		1716	font_size = (int)(font_size + 24);
		1717	}
		1718	else
		1719	{
		1720	if(strcmp(fly_font,"huge") == 0){
		1721	font_size = (int)(font_size + 14);
		1722	}
		1723	else
		1724	{
		1725	if(strcmp(fly_font,"large") == 0){
		1726	font_size = (int)(font_size + 6);
		1727	}
		1728	else
		1729	{
		1730	if(strcmp(fly_font,"small") == 0){
		1731	font_size = (int)(font_size - 4);
		1732	if(font_size<0){font_size = 8;}
		1733	}
		1734	}
		1735	}
		1736	}
		1737	break; /* font_size ! */
8224	bpr	1738	case 4:
7614	schaersvoo	1739	temp = get_string_argument(infile,1);
		1740	decimals = find_number_of_digits(precision);
8097	schaersvoo	1741	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	1742	click_cnt++;reset();break;
		1743	default:break;
		1744	}
		1745	}
		1746	break;
		1747	case FLY_TEXTUP:
		1748	/*
		1749	@ textup fontcolor,x,y,font,text_string
		1750	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1751	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1752	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1753	@ backwards compatible with flydraw
		1754	@ unicode supported: textup red,0,0,huge,\\u2232
		1755	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1756	@ 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	1757	*/
8224	bpr	1758	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1759	for(i = 0; i<5 ;i++){
		1760	switch(i){
		1761	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1762	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1763	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1764	case 3: fly_font = get_string_argument(infile,0);
		1765	if(strcmp(fly_font,"giant") == 0){
		1766	font_size = (int)(font_size + 24);
		1767	}
		1768	else
		1769	{
		1770	if(strcmp(fly_font,"huge") == 0){
		1771	font_size = (int)(font_size + 14);
		1772	}
		1773	else
		1774	{
		1775	if(strcmp(fly_font,"large") == 0){
		1776	font_size = (int)(font_size + 6);
		1777	}
		1778	else
		1779	{
		1780	if(strcmp(fly_font,"small") == 0){
		1781	font_size = (int)(font_size - 4);
		1782	if(font_size<0){font_size = 8;}
		1783	}
		1784	}
		1785	}
		1786	}
		1787	break; /* font_size ! */
8224	bpr	1788	case 4:
7614	schaersvoo	1789	decimals = find_number_of_digits(precision);
		1790	temp = get_string_argument(infile,1);
8071	schaersvoo	1791	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	1792	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1793	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	1794	add_to_buffer(tmp_buffer);
		1795	break;
		1796	default:break;
		1797	}
		1798	}
		1799	reset();
		1800	break;
		1801	case FONTFAMILY:
		1802	/*
		1803	@ fontfamily font_description
		1804	@ set the font family; for browsers that support it
		1805	@ font_description: Ariel ,Courier, Helvetica etc
		1806	@ 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
		1807	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1808	*/
		1809	font_family = get_string(infile,1);
		1810	break;
		1811	case STRINGUP:
8224	bpr	1812	/*
		1813	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1814	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1815	@ unicode supported: stringup red,0,0,45,\\u2232
		1816	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1817
		1818	*/
		1819	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1820	for(i=0;i<6;i++){
		1821	switch(i){
		1822	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1823	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1824	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1825	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1826	case 4: decimals = find_number_of_digits(precision);
		1827	temp = get_string_argument(infile,1);
8071	schaersvoo	1828	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	1829	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1830	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	1831	add_to_buffer(tmp_buffer);
		1832	break;
		1833	default:break;
		1834	}
		1835	}
		1836	reset();
		1837	break;
		1838	case STRING:
8224	bpr	1839	/*
7614	schaersvoo	1840	@ string color,x,y,the text string
		1841	@ may be set "onclick" or "drag xy"
		1842	@ unicode supported: string red,0,0,\\u2232
8224	bpr	1843	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1844	*/
		1845	for(i=0;i<5;i++){
		1846	switch(i){
		1847	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1848	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1849	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1850	case 3: decimals = find_number_of_digits(precision);
		1851	temp = get_string_argument(infile,1);
		1852	decimals = find_number_of_digits(precision);
8097	schaersvoo	1853	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	1854	click_cnt++;reset();break;
		1855	default:break;
		1856	}
		1857	}
		1858	break;
7983	schaersvoo	1859	case CENTERSTRING:
8224	bpr	1860	/*
7983	schaersvoo	1861	@ centerstring color,y-value,the text string
7984	schaersvoo	1862	@ title color,y-value,the text string
7983	schaersvoo	1863	@ draw a string centered on the canvas at y = y-value
		1864	@ can not set "onclick" or "drag xy" (...)
		1865	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	1866	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	1867	*/
		1868	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		1869	for(i=0;i<3;i++){
		1870	switch(i){
		1871	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1872	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		1873	case 2: temp = get_string_argument(infile,1);
		1874	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		1875	decimals = find_number_of_digits(precision);
		1876	string_length = snprintf(NULL,0,
		1877	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1878	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1879	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);
		1880	add_to_buffer(tmp_buffer);
		1881	break;
		1882	default:break;
		1883	}
		1884	}
		1885	break;
7614	schaersvoo	1886	case MATHML:
		1887	/*
		1888	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	1889	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1890	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	1891	@ 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	1892	@ 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	1893
7614	schaersvoo	1894	*/
		1895	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1896	for(i=0;i<5;i++){
		1897	switch(i){
		1898	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1899	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1900	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1901	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1902	case 4: decimals = find_number_of_digits(precision);
8224	bpr	1903	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1904	temp = get_string(infile,1);
		1905	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1906	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);
		1907	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1908	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);
		1909	add_to_buffer(tmp_buffer);
8224	bpr	1910	/*
		1911	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1912	if no other reply_format is defined
		1913	note: all other reply types will include a reading of elements with id='mathml'+p)
		1914	*/
		1915	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	1916	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	1917	}
		1918	break;
		1919	default:break;
		1920	}
		1921	}
		1922	reset();
		1923	break;
		1924	case HTTP:
		1925	/*
		1926	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	1927	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1928	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1929	@can not be 'set onclick' or 'drag xy'
		1930	*/
8224	bpr	1931	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1932	for(i=0;i<5;i++){
		1933	switch(i){
		1934	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1935	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1936	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1937	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1938	case 4: decimals = find_number_of_digits(precision);
		1939	temp = get_string(infile,1);
		1940	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1941	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);
		1942	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1943	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);
		1944	add_to_buffer(tmp_buffer);
		1945	break;
		1946	}
		1947	}
		1948	reset();
		1949	break;
		1950	case HTML:
		1951	/*
		1952	@ html x1,y1,x2,y2,html_string
		1953	@ all tags are allowed
		1954	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1955	@ 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	1956
7614	schaersvoo	1957	note: uses the same code as 'mathml'
		1958	*/
		1959	break;
		1960	case X_AXIS_STRINGS:
		1961	/*
		1962	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1963	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1964	@ use these x-axis values in stead of default xmin...xmax
		1965	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1966	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1967	@ 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
		1968	@ 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
		1969	*/
		1970	temp = get_string(infile,1);
		1971	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1972	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1973	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1974	use_axis_numbering = 1;
		1975	break;
		1976	case Y_AXIS_STRINGS:
		1977	/*
		1978	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1979	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1980	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1981	@ use these y-axis values in stead of default ymin...ymax
		1982	@ 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
		1983	*/
		1984	temp = get_string(infile,1);
		1985	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1986	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1987	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1988	use_axis_numbering = 1;
		1989	break;
8224	bpr	1990
7614	schaersvoo	1991	case AXIS_NUMBERING:
		1992	/*
8224	bpr	1993	@ axisnumbering
8101	schaersvoo	1994	@ keyword, no arguments required
7614	schaersvoo	1995	*/
		1996	use_axis_numbering = 1;
		1997	break;
		1998	case AXIS:
		1999	/*
		2000	@ axis
8101	schaersvoo	2001	@ keyword, no arguments required
7614	schaersvoo	2002
		2003	*/
		2004	use_axis = TRUE;
		2005	break;
8101	schaersvoo	2006	case KILLSLIDER:
		2007	/*
		2008	@ killslider
		2009	@ keyword, no arguments required
		2010	@ ends grouping of object under a preciously defined slider
		2011	*/
		2012	slider = 0;
		2013	break;
8071	schaersvoo	2014	case SLIDER:
		2015	/*
8097	schaersvoo	2016	@ slider start_value,end_value,width px,height px,type,label
		2017	@ type: xy,x,y,angle
8112	schaersvoo	2018	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		2019	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	2020	@ use commmand 'slider' before draggable/clickable objects.
		2021	@ 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	2022	@ amount of sliders is not limited.
8101	schaersvoo	2023	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	2024	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		2025	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	2026	@ label: some slider text
		2027	@ use fillcolor for slider ball
		2028	@ use strokecolor for slider bar
8097	schaersvoo	2029	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	2030	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	2031	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	2032	*/
		2033	for(i=0; i<6 ; i++){
		2034	switch(i){
		2035	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		2036	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		2037	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		2038	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	2039	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	2040	/* xy display*/
		2041	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	2042	slider = 4;
		2043	}
		2044	else
		2045	{
8112	schaersvoo	2046	if(strstr(temp,"x") != 0){
8097	schaersvoo	2047	slider = 1;
		2048	}
		2049	else
		2050	{
8112	schaersvoo	2051	if(strstr(temp,"y") != 0){
8097	schaersvoo	2052	slider = 2;
		2053	}
		2054	else
		2055	{
8112	schaersvoo	2056	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2057	slider = 3;
		2058	}
		2059	else
8112	schaersvoo	2060	{
8097	schaersvoo	2061	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2062	}
8097	schaersvoo	2063	}
		2064	}
		2065	}
8112	schaersvoo	2066	if(strstr(temp,"display")!=0){
		2067	use_slider_display = 1; /* show x xy values in canvas window */
		2068	}
		2069	else
		2070	{
		2071	if(strstr(temp,"degree")!= 0){
		2072	use_slider_display = 2; /* show angle values in canvas window */
		2073	}
		2074	else
		2075	{
		2076	if(strstr(temp,"radian")!=0){
		2077	use_slider_display = 3; /* show radian values in canvas window */
		2078	}
		2079	}
		2080	}
		2081	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2082	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2083	}
8097	schaersvoo	2084	break;
		2085	case 5: /* some string used for slider description */
8071	schaersvoo	2086	slider_cnt++;
8097	schaersvoo	2087	if(slider == 4){
8112	schaersvoo	2088	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	2089	}else{
8112	schaersvoo	2090	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	2091	}
8071	schaersvoo	2092	break;
		2093	}
8097	schaersvoo	2094	}
8071	schaersvoo	2095	break;
7654	schaersvoo	2096	case SGRAPH:
		2097	/*
		2098	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2099	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2100	@ 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	2101	@ 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	2102	*/
8224	bpr	2103	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2104	for(i = 0 ; i < 8 ;i++){
		2105	switch(i){
		2106	case 0:double_data[0] = get_real(infile,0);break;
		2107	case 1:double_data[1] = get_real(infile,0);break;
		2108	case 2:double_data[2] = get_real(infile,0);break;
		2109	case 3:double_data[3] = get_real(infile,0);break;
		2110	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2111	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2112	case 6:stroke_color = get_color(infile,0);break;
		2113	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2114	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	2115	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2116	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	2117	add_to_buffer(tmp_buffer);
		2118	break;
		2119	default:break;
		2120	}
		2121	}
		2122	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2123	break;
7614	schaersvoo	2124	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2125	/*
		2126	@ grid step_x,step_y,gridcolor
		2127	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2128	@ 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	2129	@ 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	2130	@ can not be set "onclick" or "drag xy"
		2131	@ 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')
		2132	@ 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')
		2133	@ 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')
		2134	*/
7729	schaersvoo	2135	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2136	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2137	for(i=0;i<4;i++){
		2138	switch(i){
		2139	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2140	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2141	case 2:
		2142	if( use_axis == TRUE ){
		2143	stroke_color = get_color(infile,0);
		2144	done = FALSE;
		2145	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2146	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2147	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2148	fill_color = get_color(infile,1); /* used as axis_color*/
		2149	}
		2150	else
		2151	{
		2152	int_data[0] = 1;
		2153	int_data[1] = 1;
		2154	stroke_color = get_color(infile,1);
		2155	fill_color = stroke_color;
		2156	}
		2157	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	2158	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2159	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2160	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	2161	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2162	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	2163	add_to_buffer(tmp_buffer);
		2164	break;
		2165	}
		2166	}
		2167	reset();
		2168	break;
		2169	case OPACITY:
		2170	/*
		2171	@ opacity 0-255,0-255
		2172	@
		2173	*/
		2174	for(i = 0 ; i<2;i++){
		2175	switch(i){
		2176	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2177	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2178	default: break;
		2179	}
		2180	}
		2181	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 ? */
		2182	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2183	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2184	break;
		2185	case ROTATE:
		2186	/*
		2187	@rotate rotation_angle
8097	schaersvoo	2188	@angle in degrees
7614	schaersvoo	2189	*/
		2190	use_rotate = TRUE;
8097	schaersvoo	2191	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2192	break;
7785	schaersvoo	2193	case KILLAFFINE:
		2194	/*
		2195	@ killaffine
		2196	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2197	*/
		2198	use_affine = FALSE;
8224	bpr	2199	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2200	break;
		2201	case AFFINE:
		2202	/*
		2203	@affine a,b,c,d,tx,ty
8224	bpr	2204	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2205	@ use keyword 'killaffine' to end the transformation
		2206	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2207	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2208	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2209	@ a : Scales the drawings horizontally
		2210	@ b : Skews the drawings horizontally
		2211	@ c : Skews the drawings vertically
		2212	@ d : Scales the drawings vertically
8071	schaersvoo	2213	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2214	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2215	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2216	*/
		2217	for(i = 0 ; i<6;i++){
		2218	switch(i){
		2219	case 0: double_data[0] = get_real(infile,0);break;
		2220	case 1: double_data[1] = get_real(infile,0);break;
		2221	case 2: double_data[2] = get_real(infile,0);break;
		2222	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2223	case 4: double_data[4] = get_real(infile,0);break;
		2224	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2225	use_affine = TRUE;
8071	schaersvoo	2226	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	2227	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2228	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	2229	break;
7785	schaersvoo	2230	default: break;
		2231	}
		2232	}
		2233	break;
7614	schaersvoo	2234	case KILLTRANSLATION:
		2235	/*
		2236	killtranslation
		2237	*/
8071	schaersvoo	2238	use_affine = FALSE;
8224	bpr	2239	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2240	break;
		2241	case TRANSLATION:
		2242	/*
		2243	@translation tx,ty
8071	schaersvoo	2244	@will translate the next object tx in xrange and ty in yrange
		2245	@uase command 'killtranstation' to end the command
7614	schaersvoo	2246	*/
8071	schaersvoo	2247	for(i = 0 ; i<2;i++){
		2248	switch(i){
		2249	case 0: double_data[0] = get_real(infile,0);break;
		2250	case 1: double_data[1] = get_real(infile,1);
		2251	use_affine = TRUE;
		2252	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2253	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2254	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2255	break;
		2256	default: break;
		2257	}
		2258	}
		2259	break;
		2260
7614	schaersvoo	2261	case DASHED:
		2262	/*
		2263	@ keyword "dashed"
		2264	@ next object will be drawn with a dashed line
		2265	@ change dashing scheme by using command "dashtype int,int)
		2266	*/
		2267	use_dashed = TRUE;
		2268	break;
		2269	case FILLED:
		2270	/*
8224	bpr	2271	@ keyword "filled"
		2272	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2273	@ use command "fillcolor color" to set fillcolor
		2274	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2275	@ 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 !
		2276	*/
		2277	use_filled = TRUE;
		2278	break;
		2279	case STYLE:
		2280	/*
		2281	@highlight color,opacity,linewidth
		2282	@ NOT IMPLEMENTED
		2283	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2284	*/
		2285	break;
		2286	case FILLCOLOR:
		2287	/*
		2288	@ fillcolor colorname or #hex
		2289	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2290	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2291	*/
		2292	fill_color = get_color(infile,1);
		2293	break;
		2294	case STROKECOLOR:
		2295	/*
		2296	@ strokecolor colorname or #hex
		2297	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2298	*/
		2299	stroke_color = get_color(infile,1);
		2300	break;
8224	bpr	2301	case BGIMAGE:
7614	schaersvoo	2302	/*
		2303	@bgimage image_location
		2304	@use an image as background .<br />(we use the background of 'canvas_div' )
		2305	@the background image will be resized to match "width = xsize" and "height = ysize"
		2306	*/
		2307	URL = get_string(infile,1);
		2308	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);
		2309	break;
8224	bpr	2310	case BGCOLOR:
7614	schaersvoo	2311	/*
		2312	@bgcolor colorname or #hex
		2313	@use this color as background of the "div" containing the canvas(es)
		2314	*/
		2315	/* [255,255,255]*/
		2316	bgcolor = get_string(infile,1);
		2317	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2318	int found = 0;
		2319	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2320	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2321	bgcolor = colors[i].hex;
		2322	found = 1;
		2323	break;
		2324	}
		2325	}
		2326	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2327	}
		2328	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2329	break;
		2330	case COPY:
		2331	/*
		2332	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2333	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2334	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2335	@ [filename] is the URL of the image
7614	schaersvoo	2336	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2337	@ 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	2338	@ 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	2339
		2340	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2341	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2342	*/
		2343	for(i = 0 ; i<7;i++){
		2344	switch(i){
		2345	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2346	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2347	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2348	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2349	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2350	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2351	case 6: URL = get_string(infile,1);
		2352	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2353	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2354	if( drag_type > -1 ){
		2355	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2356	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2357	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);
		2358	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2359	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	2360	drag_type = -1;
		2361	ext_img_cnt++;
		2362	}
		2363	else
		2364	{
		2365	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2366	/*
		2367	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2368	*/
		2369	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]);
		2370	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2371	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]);
		2372	}
		2373	add_to_buffer(tmp_buffer);
		2374	break;
		2375	default: break;
		2376	}
		2377	}
		2378	reset();
		2379	break;
		2380	/*
		2381	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2382	img Specifies the image, canvas, or video element to use
		2383	sx The x coordinate where to start clipping : x1 = int_data[0]
		2384	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2385	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2386	sheight The height of the clipped image : int_data[3] - int_data[1]
		2387	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2388	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2389	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2390	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2391	*/
		2392	case COPYRESIZED:
		2393	/*
		2394	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2395	@ 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	2396	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2397	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2398	@ 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	2399	@ 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	2400	*/
		2401	for(i = 0 ; i<9;i++){
		2402	switch(i){
		2403	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2404	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2405	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2406	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2407	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2408	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2409	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2410	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2411	case 8: URL = get_string(infile,1);
		2412	if( drag_type > -1 ){
		2413	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2414	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2415	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);
		2416	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2417	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);
		2418	drag_type = -1;
		2419	ext_img_cnt++;
		2420	}
		2421	else
		2422	{
		2423	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2424	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]);
		2425	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2426	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]);
		2427	}
		2428	add_to_buffer(tmp_buffer);
		2429	default: break;
		2430	}
		2431	}
		2432	reset();
		2433	break;
8146	schaersvoo	2434	case CLEARBUTTON:
7614	schaersvoo	2435	/*
8146	schaersvoo	2436	@clearbutton value
		2437	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2438	@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	2439	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2440	@use command 'inputstyle' to style the button...
7614	schaersvoo	2441	*/
8146	schaersvoo	2442	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2443	break;
		2444	case INPUTSTYLE:
		2445	/*
		2446	@ inputstyle style_description
		2447	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2448	*/
		2449	input_style = get_string(infile,1);
		2450	break;
		2451	case INPUT:
8224	bpr	2452	/*
7614	schaersvoo	2453	@ input x,y,size,editable,value
8224	bpr	2454	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2455	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2456	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2457	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2458	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2459	*/
8224	bpr	2460	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2461	for(i = 0 ; i<5;i++){
		2462	switch(i){
		2463	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2464	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2465	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2466	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2467	case 4:
7614	schaersvoo	2468	temp = get_string_argument(infile,1);
		2469	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);
		2470	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2471	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);
		2472	add_to_buffer(tmp_buffer);
		2473	input_cnt++;break;
		2474	default: break;
		2475	}
		2476	}
7876	schaersvoo	2477	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2478	reset();
		2479	break;
		2480	case TEXTAREA:
8224	bpr	2481	/*
7614	schaersvoo	2482	@ textarea x,y,cols,rows,readonly,value
		2483	@ may be further controlled by "inputstyle"
8224	bpr	2484	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2485	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2486	*/
8224	bpr	2487	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2488	for(i = 0 ; i<6;i++){
		2489	switch(i){
		2490	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2491	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2492	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2493	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2494	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2495	case 5: temp = get_string_argument(infile,1);
		2496	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);
		2497	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2498	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);
		2499	add_to_buffer(tmp_buffer);
		2500	input_cnt++;break;
		2501	default: break;
		2502	}
		2503	}
7876	schaersvoo	2504	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2505	reset();
		2506	break;
		2507	case MOUSE_PRECISION:
		2508	/*
		2509	@ precision int
8074	schaersvoo	2510	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2511	@ may be used / changed before every object
8074	schaersvoo	2512	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2513	*/
		2514	precision = (int) (get_real(infile,1));
8074	schaersvoo	2515	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2516	break;
7838	schaersvoo	2517	case SETLIMITS:
		2518	/*
8224	bpr	2519	@setlimits
7838	schaersvoo	2520	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2521	@may be used for inputfield based zooming / panning
7858	schaersvoo	2522	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2523	@note:the input value will not be checked on validity
7838	schaersvoo	2524	*/
7956	schaersvoo	2525	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2526	add_setlimits(js_include_file,canvas_root_id);
		2527	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2528	use_pan_and_zoom = TRUE;
		2529	done = TRUE;
		2530	break;
7614	schaersvoo	2531	case ZOOM:
		2532	/*
		2533	@ zoom button_color
		2534	@ introduce a controlpanel at the lower right corner
		2535	@ 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
		2536	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2537	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2538	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2539	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2540	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2541	@ 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 !!
		2542	*/
7653	schaersvoo	2543	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2544	use_pan_and_zoom = TRUE;
7988	schaersvoo	2545	stroke_color = get_color(infile,1);
7614	schaersvoo	2546	/* we use BG_CANVAS (0) */
7988	schaersvoo	2547	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2548	done = TRUE;
		2549	break;
		2550	case ONCLICK:
		2551	/*
		2552	@ onclick
		2553	@ keyword, no arguments
		2554	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2555	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2556	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2557	*/
8257	schaersvoo	2558	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2559	onclick = 1;
		2560	break;
		2561	case DRAG:
		2562	/*
		2563	@ drag [x][y][xy]
		2564	@ the next object will be draggable in x / y / xy direction
		2565	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2566	@ 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	2567	@ 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	2568	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2569	@ 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	2570	@ 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 !!
		2571	*/
		2572	temp = get_string(infile,1);
8224	bpr	2573	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2574	drag_type = 0;
		2575	}
		2576	else
		2577	{
8224	bpr	2578	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2579	drag_type = 1;
		2580	}
		2581	else
		2582	{
		2583	drag_type = 2;
		2584	}
		2585	}
8257	schaersvoo	2586	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2587	onclick = 2;
8257	schaersvoo	2588
7614	schaersvoo	2589	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2590	break;
		2591	case BLINK:
		2592	/*
		2593	@ blink time(seconds)
		2594	@ NOT IMPLEMETED -YET
		2595	*/
		2596	break;
7996	schaersvoo	2597	case XUNIT:
		2598	/*
		2599	@ xunit some_unit_for_x-values
		2600	@ unicode allowed (no html code)
		2601	@ use together with command mousex
		2602	@ will display the cursor x-coordinate 'unit'
		2603	*/
		2604	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2605	break;
		2606	case YUNIT:
		2607	/*
		2608	@ yunit some_unit_for_y-values
		2609	@ unicode allowed (no html code)
		2610	@ use together with command mousex
		2611	@ will display the cursor y-coordinate 'unit'
		2612	*/
		2613	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2614	break;
8071	schaersvoo	2615	case MOUSE_DISPLAY:
		2616	/*
8129	schaersvoo	2617	@display x\|y\|xy\|degree\|radius,color,fontsize
		2618	@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)
		2619	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2620	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2621	*/
		2622	temp = get_string_argument(infile,0);
8112	schaersvoo	2623	if( strstr(temp,"xy") != NULL ){
		2624	int_data[0] = 2;
8071	schaersvoo	2625	}else{
8112	schaersvoo	2626	if( strstr(temp,"y") != NULL ){
		2627	int_data[0] = 1;
8071	schaersvoo	2628	}else{
8112	schaersvoo	2629	if( strstr(temp,"x") != NULL ){
		2630	int_data[0] = 0;
8129	schaersvoo	2631	}else{
8112	schaersvoo	2632	if(strstr(temp,"degree") != NULL){
		2633	int_data[0] = 3;
8071	schaersvoo	2634	}else{
8129	schaersvoo	2635	if(strstr(temp,"radius") != NULL){
		2636	int_data[0] = 4;
		2637	}else{
		2638	int_data[0] = 2;
		2639	}
8112	schaersvoo	2640	}
8129	schaersvoo	2641	}
8071	schaersvoo	2642	}
8129	schaersvoo	2643	}
8071	schaersvoo	2644	stroke_color = get_color(infile,0);
		2645	font_size = (int) (get_real(infile,1));
		2646	tmp_buffer = my_newmem(26);
		2647	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2648	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2649	break;
		2650	case MOUSE_DEGREE:
		2651	/*
		2652	@ mouse_degree color,fontsize
8099	schaersvoo	2653	@ 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	2654	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2655	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2656
		2657	*/
		2658	stroke_color = get_color(infile,0);
		2659	font_size = (int) (get_real(infile,1));
		2660	tmp_buffer = my_newmem(26);
		2661	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2662	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2663	break;
7991	schaersvoo	2664	case MOUSEX:
		2665	/*
		2666	@ mousex color,fontsize
		2667	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2668	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2669
		2670	*/
		2671	stroke_color = get_color(infile,0);
		2672	font_size = (int) (get_real(infile,1));
		2673	tmp_buffer = my_newmem(26);
		2674	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2675	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2676	break;
		2677	case MOUSEY:
		2678	/*
		2679	@ mousey color,fontsize
		2680	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2681	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2682
		2683	*/
		2684	stroke_color = get_color(infile,0);
		2685	font_size = (int) (get_real(infile,1));
		2686	tmp_buffer = my_newmem(26);
		2687	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2688	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2689	break;
7614	schaersvoo	2690	case MOUSE:
		2691	/*
		2692	@ mouse color,fontsize
7991	schaersvoo	2693	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2694	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2695
7614	schaersvoo	2696	*/
		2697	stroke_color = get_color(infile,0);
		2698	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2699	tmp_buffer = my_newmem(26);
		2700	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2701	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2702	break;
		2703	case INTOOLTIP:
		2704	/*
		2705	@ intooltip link_text
		2706	@ link_text is a single line (span-element)
		2707	@ link_text may also be an image URL http://some_server/images/my_image.png
		2708	@ link_text may contain HTML markup
		2709	@ the canvas will be displayed in a tooltip on 'link_text'
		2710	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2711	*/
7823	schaersvoo	2712	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2713	use_tooltip = TRUE;
		2714	tooltip_text = get_string(infile,1);
		2715	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2716	break;
		2717	case AUDIO:
		2718	/*
		2719	@ audio x,y,w,h,loop,visible,audiofile location
		2720	@ x,y : left top corner of audio element (in xrange / yrange)
		2721	@ w,y : width and height in pixels
		2722	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2723	@ visible : 0 or 1 (1 = show controls)
		2724	@ audio format may be in .mp3 or .ogg
		2725	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2726	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2727	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2728	@ 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 />
		2729	*/
		2730	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2731	for(i=0;i<7;i++){
		2732	switch(i){
		2733	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2734	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2735	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2736	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2737	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2738	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2739	case 6:
7614	schaersvoo	2740	temp = get_string(infile,1);
		2741	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2742	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2743	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);
		2744	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2745	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);
		2746	add_to_buffer(tmp_buffer);
		2747	break;
		2748	default:break;
		2749	}
		2750	}
		2751	reset();
		2752	break;
		2753	case VIDEO:
		2754	/*
		2755	@ video x,y,w,h,videofile location
		2756	@ x,y : left top corner of audio element (in xrange / yrange)
		2757	@ w,y : width and height in pixels
		2758	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2759	@ video format may be in *.mp4 (todo:other formats)
		2760	*/
		2761	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2762	for(i=0;i<5;i++){
		2763	switch(i){
		2764	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2765	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2766	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2767	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2768	case 4: temp = get_string(infile,1);
		2769	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);
		2770	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2771	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);
		2772	add_to_buffer(tmp_buffer);
		2773	break;
		2774	default:break;
		2775	}
		2776	}
		2777	reset();
		2778	break;
		2779	case HATCHFILL:
		2780	/*
		2781	@ hatchfill x0,y0,dx,dy,color
		2782	@ x0,y0 in xrange / yrange
		2783	@ distances dx,dy in pixels
		2784	*/
		2785	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2786	for(i=0;i<5;i++){
		2787	switch(i){
		2788	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2789	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2790	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2791	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2792	case 4: stroke_color = get_color(infile,1);
		2793	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2794	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);
		2795	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2796	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);
		2797	add_to_buffer(tmp_buffer);
		2798	break;
		2799	default:break;
		2800	}
		2801	}
		2802	reset();
		2803	break;
7647	schaersvoo	2804	case DIAMONDFILL:
		2805	/*
		2806	@ diamondfill x0,y0,dx,dy,color
		2807	@ x0,y0 in xrange / yrange
		2808	@ distances dx,dy in pixels
		2809	*/
		2810	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2811	for(i=0;i<5;i++){
		2812	switch(i){
		2813	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2814	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2815	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2816	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2817	case 4: stroke_color = get_color(infile,1);
		2818	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2819	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);
		2820	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2821	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);
		2822	add_to_buffer(tmp_buffer);
		2823	break;
		2824	default:break;
		2825	}
		2826	}
		2827	reset();
		2828	break;
7614	schaersvoo	2829	case GRIDFILL:
		2830	/*
		2831	@ gridfill x0,y0,dx,dy,color
		2832	@ x0,y0 in xrange / yrange
		2833	@ distances dx,dy in pixels
7883	schaersvoo	2834	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2835	@ userdraw object may snap_to_grid
7614	schaersvoo	2836	*/
		2837	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2838	for(i=0;i<5;i++){
		2839	switch(i){
		2840	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2841	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2842	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2843	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2844	case 4: stroke_color = get_color(infile,1);
		2845	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);
		2846	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2847	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);
		2848	add_to_buffer(tmp_buffer);
		2849	break;
		2850	default:break;
		2851	}
		2852	}
		2853	reset();
		2854	break;
		2855	case DOTFILL:
		2856	/*
		2857	@ dotfill x0,y0,dx,dy,color
		2858	@ x0,y0 in xrange / yrange
		2859	@ distances dx,dy in pixels
		2860	@ radius of dots is linewidth
		2861	*/
		2862	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2863	for(i=0;i<5;i++){
		2864	switch(i){
		2865	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2866	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2867	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2868	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2869	case 4: stroke_color = get_color(infile,1);
		2870	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2871	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);
		2872	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2873	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);
		2874	add_to_buffer(tmp_buffer);
		2875	break;
		2876	default:break;
		2877	}
		2878	}
		2879	reset();
		2880	break;
		2881	case IMAGEFILL:
		2882	/*
		2883	@ imagefill dx,dy,image_url
		2884	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2885	@ After pattern filling ,the fill-color should be reset !
		2886	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2887	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2888	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2889	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2890	*/
		2891	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2892	for(i=0 ;i < 3 ; i++){
		2893	switch(i){
		2894	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2895	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2896	case 2: URL = get_string_argument(infile,1);
		2897	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);
		2898	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2899	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);
		2900	add_to_buffer(tmp_buffer);
		2901	break;
		2902	}
		2903	}
8083	schaersvoo	2904	reset();
7614	schaersvoo	2905	break;
		2906	case FILLTOBORDER:
		2907	/*
		2908	@ filltoborder x,y,bordercolor,color
8224	bpr	2909	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2910	@ any other color will not act as border to the bucket fill
		2911	@ use this command after all boundary objects are declared.
		2912	@ 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..
		2913	*/
		2914	for(i=0 ;i < 4 ; i++){
		2915	switch(i){
		2916	case 0:double_data[0] = get_real(infile,0);break;
		2917	case 1:double_data[1] = get_real(infile,0);break;
		2918	case 2:bgcolor = get_color(infile,0);break;
		2919	case 3:fill_color = get_color(infile,1);
		2920	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2921	js_function[DRAW_FILLTOBORDER] = 1;
		2922	add_js_filltoborder(js_include_file,canvas_root_id);
		2923	}
		2924	decimals = find_number_of_digits(precision);
7895	schaersvoo	2925	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	2926	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	2927	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2928	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	2929	add_to_buffer(tmp_buffer);
		2930	break;
		2931	default:break;
8083	schaersvoo	2932	}
		2933	}
		2934	reset();
7614	schaersvoo	2935	break;
		2936	case FLOODFILL:
		2937	/*
		2938	@ floodfill x,y,color
		2939	@ alternative syntax: fill x,y,color
		2940	@ fill the region of point (x:y) with color 'color'
		2941	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2942	@ use this command after all boundary objects are declared.
		2943	@ Use command 'clickfill,color' for user click driven flood fill.
		2944	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2945	@ 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..
		2946	*/
		2947	for(i=0 ;i < 4 ; i++){
		2948	switch(i){
		2949	case 0:double_data[0] = get_real(infile,0);break;
		2950	case 1:double_data[1] = get_real(infile,0);break;
		2951	case 2:fill_color = get_color(infile,1);
		2952	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2953	js_function[DRAW_FLOODFILL] = 1;
		2954	add_js_floodfill(js_include_file,canvas_root_id);
		2955	}
		2956	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	2957	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		2958	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	2959	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	2960	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	2961	add_to_buffer(tmp_buffer);
		2962	break;
		2963	default:break;
8083	schaersvoo	2964	}
		2965	}
		2966	reset();
7614	schaersvoo	2967	break;
		2968	case CLICKFILLMARGE:
		2969	clickfillmarge = (int) (get_real(infile,1));
		2970	break;
		2971	/*
		2972	@ clickfillmarge int
		2973	@ default 20 (pixels)
		2974	@ 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[])
		2975	*/
		2976	case CLICKFILL:
		2977	/*
		2978	@ clickfill fillcolor
		2979	@ user left mouse click will floodfill the area with fillcolor
		2980	@ multiple areas may be coloured
		2981	@ 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)
		2982	@ the answer will be read as the (x:y) click coordinates per coloured area
		2983	@ background color of main div may be set by using command "bgcolor color"
		2984	@ may not be combined with command "userdraw"
		2985	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2986	*/
		2987	fill_color = get_color(infile,1);
		2988	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2989	js_function[DRAW_FLOODFILL] = 1;
		2990	add_js_floodfill(js_include_file,canvas_root_id);
		2991	}
8130	schaersvoo	2992	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	2993	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	2994	reset();
7614	schaersvoo	2995	break;
		2996	case SETPIXEL:
		2997	/*
		2998	@ setpixel x,y,color
		2999	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		3000	@ pixels can not be dragged or clicked
		3001	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3002	*/
		3003	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3004	for(i=0;i<3;i++){
		3005	switch(i){
		3006	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3007	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3008	case 2: stroke_color = get_color(infile,1);
		3009	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3010	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3011	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3012	add_to_buffer(tmp_buffer);
		3013	break;
		3014	default:break;
		3015	}
		3016	}
		3017	reset();
		3018	break;
		3019	case PIXELSIZE:
		3020	/*
		3021	@ pixelsize int
		3022	@ in case you want to deviate from default pixelsize = 1...
		3023	*/
		3024	pixelsize = (int) get_real(infile,1);
		3025	break;
		3026	case PIXELS:
		3027	/*
		3028	@ pixels color,x1,y1,x2,y2,x3,y3...
		3029	@ Draw "points" with diameter 1 pixel
		3030	@ pixels can not be dragged or clicked
		3031	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3032	*/
		3033	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3034	stroke_color=get_color(infile,0);
		3035	i=0;
		3036	c=0;
		3037	while( ! done ){ /* get next item until EOL*/
		3038	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3039	for( c = 0 ; c < 2; c++){
		3040	if(c == 0 ){
		3041	double_data[i] = get_real(infile,0);
		3042	i++;
		3043	}
		3044	else
		3045	{
		3046	double_data[i] = get_real(infile,1);
		3047	i++;
		3048	}
		3049	}
		3050	}
		3051	decimals = find_number_of_digits(precision);
		3052	/* double_xy2js_array(double xy[],int len,int decimals) /
		3053	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3054	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3055	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3056	add_to_buffer(tmp_buffer);
8083	schaersvoo	3057	reset();
7614	schaersvoo	3058	break;
		3059	case REPLYFORMAT:
		3060	/*
		3061	@ replyformat number
8257	schaersvoo	3062	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3063	@ default values should be fine !
8074	schaersvoo	3064	@ 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	3065	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8127	schaersvoo	3066	@ 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	3067	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3068	*/
		3069	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3070	reply_precision = precision;
7614	schaersvoo	3071	break;
		3072	case LEGENDCOLORS:
		3073	/*
		3074	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3075	@ 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	3076	@ make sure the number of colours match the number of legend items
8224	bpr	3077	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3078	*/
7956	schaersvoo	3079	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3080	temp = get_string(infile,1);
		3081	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3082	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3083	break;
		3084	case LEGEND:
		3085	/*
		3086	@ legend string1:string2:string3....string_n
		3087	@ will be used to create a legend for a graph
8224	bpr	3088	@ also see command 'piechart'
7956	schaersvoo	3089	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3090	*/
		3091	temp = get_string(infile,1);
		3092	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3093	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3094	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3095	break;
		3096	case XLABEL:
		3097	/*
		3098	@ xlabel some_string
		3099	@ will be used to create a label for the x-axis (label is in quadrant I)
		3100	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3101	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3102	*/
		3103	temp = get_string(infile,1);
7653	schaersvoo	3104	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3105	break;
		3106	case YLABEL:
		3107	/*
		3108	@ ylabel some_string
8224	bpr	3109	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3110	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3111	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3112	*/
		3113	temp = get_string(infile,1);
7653	schaersvoo	3114	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3115	break;
		3116	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3117	/*
7996	schaersvoo	3118	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3119	@ will plot your data in a graph
		3120	@ may only to be used together with command 'grid'
		3121	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3122	@ use command 'legend' to provide an optional legend in right-top-corner
		3123	@ also see command 'piechart'
		3124	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3125	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3126	@ <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	3127	*/
7614	schaersvoo	3128	temp = get_string(infile,1);
		3129	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3130	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	3131	linegraph_cnt++;
		3132	reset();
		3133	break;
7989	schaersvoo	3134	case BARCHART:
		3135	/*
		3136	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3137	@ will be used to create a legend for bar graph
		3138	@ may only to be used together with command 'grid'
		3139	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3140	@ use command 'legend' to provide an optional legend in right-top-corner
		3141	@ also see command 'piechart'
		3142	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3143	*/
		3144	temp = get_string(infile,1);
		3145	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3146	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3147	barchart_cnt++;
		3148	reset();
		3149	break;
7614	schaersvoo	3150	case CLOCK:
		3151	/*
		3152	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3153	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3154	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3155	@ 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	3156	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3157	@ 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>
		3158	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3159	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3160	@ 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	3161	@ 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	3162	*/
		3163	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3164
		3165	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3166	for(i=0;i<9;i++){
		3167	switch(i){
		3168	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3169	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3170	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3171	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3172	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3173	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3174	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	3175	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3176	switch(int_data[7]){
		3177	case 0:break;
		3178	case 1:if(clock_cnt == 0){
		3179	if( reply_format == 0 ){
7614	schaersvoo	3180	reply_format = 18; /* user sets clock */
7783	schaersvoo	3181	/* 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	3182	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3183	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");
		3184	add_to_buffer(tmp_buffer);
7783	schaersvoo	3185	*/
8130	schaersvoo	3186	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	3187	}
		3188	else
		3189	{
		3190	canvas_error("interactive clock may not be used together with other reply_types...");
		3191	}
		3192	}
8130	schaersvoo	3193	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	3194	break;
		3195	case 2:if( reply_format == 0 ){
		3196	reply_format = 19; /* "onclick */
8130	schaersvoo	3197	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	3198	}
		3199	else
		3200	{
		3201	if( reply_format != 19){
7614	schaersvoo	3202	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3203	}
7783	schaersvoo	3204	}
		3205	break;
		3206	default: canvas_error("interactive must be set 0,1 or 2");break;
		3207	}
		3208	break;
8224	bpr	3209	case 8:
8130	schaersvoo	3210	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3211	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3212	}
7614	schaersvoo	3213	temp = get_string(infile,1);
		3214	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3215	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3216	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	3217	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3218	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	3219	add_to_buffer(tmp_buffer);
		3220	clock_cnt++;
		3221	break;
		3222	default:break;
		3223	}
		3224	}
		3225	break;
		3226	case PIECHART:
		3227	/*
		3228	@ piechart xc,yc,radius,'data+colorlist'
		3229	@ (xc : yc) center of circle diagram in xrange/yrange
		3230	@ radius in pixels
		3231	@ 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
		3232	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3233	@ the number of colors must match the number of data.
		3234	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3235	@ 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	3236	*/
8224	bpr	3237	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3238	for(i=0;i<5;i++){
		3239	switch(i){
		3240	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3241	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3242	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3243	case 3: temp = get_string(infile,1);
		3244	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3245	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	3246	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3247	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	3248	add_to_buffer(tmp_buffer);
		3249	break;
		3250	default:break;
		3251	}
		3252	}
		3253	reset();
		3254	break;
		3255	case STATUS:
7877	schaersvoo	3256	/*
		3257	@status
		3258	@keyword
		3259	@alernative keyword: nostatus
		3260	@used to override the effects of "status=done" in wims (answer.phtml)
		3261	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3262	@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'
		3263	*/
8224	bpr	3264
7877	schaersvoo	3265	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3266	break;
7735	schaersvoo	3267	case XLOGBASE:
7729	schaersvoo	3268	/*
7735	schaersvoo	3269	@ xlogbase number
		3270	@ sets the logbase number for the x-axis
7729	schaersvoo	3271	@ default value 10
7735	schaersvoo	3272	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3273	*/
7735	schaersvoo	3274	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3275	break;
7735	schaersvoo	3276	case YLOGBASE:
		3277	/*
		3278	@ ylogbase number
		3279	@ sets the logbase number for the y-axis
		3280	@ default value 10
		3281	@ use together with commands ylogscale / xylogscale
		3282	*/
		3283	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3284	break;
7614	schaersvoo	3285	case XLOGSCALE:
		3286	/*
7735	schaersvoo	3287	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3288	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3289	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3290	@ the linewidth is set using command 'linewidth int'
		3291	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3292	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3293	@ 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	3294	@ note: the complete canvas will be used for the 'log paper'
		3295	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3296	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3297	@ 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	3298	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3299	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3300	*/
7735	schaersvoo	3301	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3302	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3303	for(i=0;i<4;i++){
		3304	switch(i){
		3305	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3306	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3307	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3308	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3309	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	3310	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3311	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	3312	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3313	add_to_buffer(tmp_buffer);
		3314	break;
		3315	default:break;
		3316	}
		3317	}
7614	schaersvoo	3318	break;
		3319	case YLOGSCALE:
7729	schaersvoo	3320	/*
		3321	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3322	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3323	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3324	@ the linewidth is set using command 'linewidth int'
		3325	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3326	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3327	@ 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	3328	@ note: the complete canvas will be used for the 'log paper'
		3329	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3330	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3331	@ 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	3332	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3333	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3334	*/
		3335	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3336	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3337	for(i=0;i<4;i++){
		3338	switch(i){
		3339	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3340	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3341	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3342	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3343	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	3344	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3345	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	3346	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3347	add_to_buffer(tmp_buffer);
		3348	break;
		3349	default:break;
		3350	}
		3351	}
7614	schaersvoo	3352	break;
		3353	case XYLOGSCALE:
7735	schaersvoo	3354	/*
		3355	@ xylogscale majorcolor,minorcolor
		3356	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3357	@ the linewidth is set using command 'linewidth int'
		3358	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3359	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3360	@ 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	3361	@ note: the complete canvas will be used for the 'log paper'
		3362	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3363	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3364	@ 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	3365	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3366	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3367	*/
		3368	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3369	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3370	for(i=0;i<2;i++){
		3371	switch(i){
		3372	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3373	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3374	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	3375	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3376	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	3377	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3378	add_to_buffer(tmp_buffer);
		3379	break;
		3380	default:break;
		3381	}
		3382	}
		3383	break;
7614	schaersvoo	3384	default:sync_input(infile);
		3385	break;
		3386	}
8224	bpr	3387	}
7614	schaersvoo	3388	/* we are done parsing script file */
7983	schaersvoo	3389	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3390	if( found_size_command == 1 ){
		3391	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3392	}
		3393	else
		3394	{
		3395	if( found_size_command != 3 ){
8222	schaersvoo	3396	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3397	}
		3398	}
8257	schaersvoo	3399
8222	schaersvoo	3400	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3401	add_javascript_functions(js_function,canvas_root_id);
		3402	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3403	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3404	if( use_pan_and_zoom == TRUE ){
		3405	/* in case of zooming ... */
7729	schaersvoo	3406	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3407	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3408	var ymin_start=ymin;var ymax_start=xmax;\
		3409	var zoom_x_increment=0;var zoom_y_increment=0;\
		3410	var pan_x_increment=0;var pan_y_increment=0;\
		3411	if(use_ylogscale == 0 ){\
7956	schaersvoo	3412	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	3413	}else{\
		3414	zoom_x_increment = (xmax - xmin)/20;\
		3415	pan_x_increment = (xmax - xmin)/20;\
		3416	};\
7653	schaersvoo	3417	function start_canvas%d(type){\
		3418	switch(type){\
7729	schaersvoo	3419	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3420	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	3421	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3422	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3423	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3424	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3425	case 6:location.reload();break;\
		3426	default:break;\
		3427	};\
		3428	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3429	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3430	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3431	%s\
		3432	};\
7797	schaersvoo	3433	start_canvas%d(333);\
7614	schaersvoo	3434	};\n\
		3435	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3436	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3437	}
		3438	else
		3439	{
		3440	/* no zoom, just add buffer */
		3441	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3442	%s\
		3443	};\n\
		3444	<!-- end wims_canvas_function -->\n\
		3445	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3446	}
7614	schaersvoo	3447	/* done writing the javascript include file */
		3448	fclose(js_include_file);
		3449
		3450	}
		3451
		3452	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3453	if(use_tooltip == TRUE){
		3454	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3455	}
		3456	exit(EXIT_SUCCESS);
		3457	}
		3458	/* end main() */
		3459
		3460	/******************************************************************************
		3461	**
		3462	** sync_input
		3463	**
		3464	** synchronises input line - reads to end of line, leaving file pointer
		3465	** at first character of next line.
		3466	**
		3467	** Used by:
		3468	** main program - error handling.
		3469	**
		3470	******************************************************************************/
		3471	void sync_input(FILE *infile)
		3472	{
		3473	int c = 0;
		3474
7658	schaersvoo	3475	if( c == '\n' \|\| c == ';' ) return;
		3476	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3477	if( c == EOF ) finished = 1;
7658	schaersvoo	3478	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3479	return;
		3480	}
		3481
		3482	/******************************************************************************/
		3483
		3484	char str_replace(const char str, const char old, const char new){
		3485	/* http://creativeandcritical.net/str-replace-c/ */
		3486	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3487	char ret, r;
		3488	const char p, q;
		3489	size_t oldlen = strlen(old);
		3490	size_t count = 0;
		3491	size_t retlen = 0;
		3492	size_t newlen = strlen(new);
		3493	if (oldlen != newlen){
		3494	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3495	count++;
		3496	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3497	}
8224	bpr	3498	}
7614	schaersvoo	3499	else
		3500	{
		3501	retlen = strlen(str);
		3502	}
8224	bpr	3503
7614	schaersvoo	3504	if ((ret = malloc(retlen + 1)) == NULL){
		3505	ret = NULL;
		3506	canvas_error("string argument is NULL");
		3507	}
		3508	else
		3509	{
		3510	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3511	size_t l = q - p;
		3512	memcpy(r, p, l);
		3513	r += l;
		3514	memcpy(r, new, newlen);
		3515	r += newlen;
		3516	}
		3517	strcpy(r, p);
		3518	}
		3519	return ret;
		3520	}
		3521
		3522	/******************************************************************************/
7848	bpr	3523
7614	schaersvoo	3524	char get_color(FILE infile , int last){
		3525	int c,i = 0,is_hex = 0;
		3526	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	3527	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3528	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3529	if( c == '#' ){
		3530	is_hex = 1;
		3531	}
		3532	if( c != ' '){
		3533	temp[i]=tolower(c);
		3534	i++;
		3535	}
		3536	}
8224	bpr	3537	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3538	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3539	if( c == EOF ){finished = 1;}
		3540	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3541	temp[i]='\0';
		3542	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3543	if( is_hex == 1 ){
		3544	char red[3], green[3], blue[3];
		3545	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3546	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3547	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3548	int r = (int) strtol(red, NULL, 16);
		3549	int g = (int) strtol(green, NULL, 16);
		3550	int b = (int) strtol(blue, NULL, 16);
		3551	string = (char *)my_newmem(12);
		3552	snprintf(string,11,"%d,%d,%d",r,g,b);
		3553	return string;
		3554	}
		3555	else
		3556	{
		3557	string = (char *)my_newmem(sizeof(temp));
		3558	snprintf(string,sizeof(temp),"%s",temp);
		3559	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		3560	if( strcmp( colors[i].name , string ) == 0 ){
		3561	return colors[i].rgb;
		3562	}
		3563	}
		3564	}
		3565	/* not found...return error */
		3566	free(string);string = NULL;
		3567	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		3568	return NULL;
		3569	}
		3570
		3571	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3572	int c,i=0;
		3573	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3574	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3575	temp[i]=c;
		3576	i++;
		3577	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3578	}
8224	bpr	3579	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3580	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3581	if( c == EOF ) {
		3582	finished = 1;
		3583	if( last != 1 ){ canvas_error("expected more arguments");}
		3584	}
		3585	temp[i]='\0';
		3586	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3587	string=(char *)my_newmem(strlen(temp));
		3588	snprintf(string,sizeof(temp),"%s",temp);
		3589	return string;
		3590	}
		3591
		3592	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3593	int c,i=0;
		3594	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3595	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3596	temp[i]=c;
		3597	i++;
		3598	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3599	}
8224	bpr	3600	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3601	if( c == '\n') { line_number++; }
7614	schaersvoo	3602	if( c == EOF ) {finished = 1;}
		3603	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3604	temp[i]='\0';
		3605	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		3606	string=(char *)my_newmem(sizeof(temp));
		3607	snprintf(string,sizeof(temp),"%s",temp);
		3608	done = TRUE;
		3609	return string;
		3610	}
		3611
		3612	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3613	int c,i=0,found_calc = 0;
		3614	double y;
		3615	char tmp[MAX_INT];
7658	schaersvoo	3616	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3617	if( c != ' ' ){
8224	bpr	3618	/*
		3619	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	3620	We will check after assert() if it's a NULL pointer...and exit program via :
		3621	canvas_error("I'm having trouble parsing your \"expression\" ");
		3622	*/
8224	bpr	3623	if( i == 0 && c == '+' ){
7614	schaersvoo	3624	continue;
8224	bpr	3625	}
7614	schaersvoo	3626	else
		3627	{
		3628	if(canvas_iscalculation(c) != 0){
		3629	found_calc = 1;
		3630	c = tolower(c);
		3631	}
		3632	tmp[i] = c;
		3633	i++;
		3634	}
		3635	}
		3636	if( i > MAX_INT - 1){canvas_error("number too large");}
		3637	}
8224	bpr	3638	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3639	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3640	if( c == EOF ){done = TRUE ; finished = 1;}
		3641	tmp[i]='\0';
		3642	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		3643	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	3644	void *f = eval_create(tmp);
7614	schaersvoo	3645	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3646	y = eval_x(f, 1);
7614	schaersvoo	3647	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3648	eval_destroy(f);
7614	schaersvoo	3649	}
		3650	else
		3651	{
		3652	y = atof(tmp);
		3653	}
		3654	return y;
		3655	}
		3656	void canvas_error(char *msg){
7748	schaersvoo	3657	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3658	finished = 1;
		3659	exit(EXIT_SUCCESS);
		3660	}
		3661
		3662
		3663	/* convert x/y coordinates to pixel */
		3664	int x2px(double x){
		3665	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3666	}
		3667
		3668	int y2px(double y){
		3669	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3670	}
		3671
		3672	double px2x(int x){
		3673	return (x*(xmax - xmin)/xsize + xmin);
		3674	}
		3675	double px2y(int y){
		3676	return (y*(ymax - ymin)/ysize + ymin);
		3677	}
		3678
		3679	void add_to_buffer(char *tmp){
		3680	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3681	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3682	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3683	if( space_left > strlen(tmp)){
		3684	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3685	}
		3686	else
		3687	{
		3688	canvas_error("buffer is too big\n");
		3689	}
		3690	tmp = NULL;free(tmp);
		3691	return;
		3692	}
		3693
		3694	void reset(){
		3695	if(use_filled == TRUE){use_filled = FALSE;}
		3696	if(use_dashed == TRUE){use_dashed = FALSE;}
		3697	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3698	onclick = 0;
7614	schaersvoo	3699	}
		3700
		3701
		3702
		3703	/* What reply format in read_canvas();
		3704
		3705	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3706	1 = x1,x2,x3,x4....x_n
		3707	y1,y2,y3,y4....y_n
		3708
		3709	x/y in pixels
		3710
		3711	2 = x1,x2,x3,x4....x_n
		3712	y1,y2,y3,y4....y_n
		3713	x/y in xrange / yrange coordinate system
		3714
		3715	3 = x1,x2,x3,x4....x_n
		3716	y1,y2,y3,y4....y_n
		3717	r1,r2,r3,r4....r_n
		3718
8224	bpr	3719	x/y in pixels
7614	schaersvoo	3720	r in pixels
		3721
		3722	4 = x1,x2,x3,x4....x_n
		3723	y1,y2,y3,y4....y_n
		3724	r1,r2,r3,r4....r_n
		3725
		3726	x/y in xrange / yrange coordinate system
		3727	r in pixels
		3728
		3729	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3730	Ay1,Ay2,Ay3,Ay4....Ay_n
		3731	Bx1,Bx2,Bx3,Bx4....Bx_n
		3732	By1,By2,By3,By4....By_n
		3733	Cx1,Cx2,Cx3,Cx4....Cx_n
		3734	Cy1,Cy2,Cy3,Cy4....Cy_n
		3735	....
		3736	Zx1,Zx2,Zx3,Zx4....Zx_n
		3737	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3738
7614	schaersvoo	3739	x/y in pixels
		3740
		3741	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3742	Ay1,Ay2,Ay3,Ay4....Ay_n
		3743	Bx1,Bx2,Bx3,Bx4....Bx_n
		3744	By1,By2,By3,By4....By_n
		3745	Cx1,Cx2,Cx3,Cx4....Cx_n
		3746	Cy1,Cy2,Cy3,Cy4....Cy_n
		3747	....
		3748	Zx1,Zx2,Zx3,Zx4....Zx_n
		3749	Zy1,Zy2,Zy3,Zy4....Zy_n
		3750
		3751	x/y in xrange / yrange coordinate system
8224	bpr	3752
7614	schaersvoo	3753	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3754
7614	schaersvoo	3755	x/y in pixels
		3756
		3757	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3758
7614	schaersvoo	3759	x/y in xrange / yrange coordinate system
		3760
8224	bpr	3761	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3762
		3763	x/y in pixels
		3764
8224	bpr	3765	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3766
		3767	x/y in xrange / yrange coordinate system
		3768
		3769	11 = Ax1,Ay1,Ax2,Ay2
		3770	Bx1,By1,Bx2,By2
		3771	Cx1,Cy1,Cx2,Cy2
		3772	Dx1,Dy1,Dx2,Dy2
		3773	......
		3774	Zx1,Zy1,Zx2,Zy2
8224	bpr	3775
7614	schaersvoo	3776	x/y in xrange / yrange coordinate system
		3777
		3778	12 = Ax1,Ay1,Ax2,Ay2
		3779	Bx1,By1,Bx2,By2
		3780	Cx1,Cy1,Cx2,Cy2
		3781	Dx1,Dy1,Dx2,Dy2
		3782	......
		3783	Zx1,Zy1,Zx2,Zy2
8224	bpr	3784
7614	schaersvoo	3785	x/y in pixels
		3786
		3787	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3788
		3789	x/y in xrange / yrange coordinate system
		3790	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3791	x/y in pixels
		3792	15 = reply from inputfields,textareas
		3793	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3794	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3795
		3796	16 = read mathml inputfields only
		3797
		3798	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3799	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3800
		3801	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3802	19 = return clicked object number (analogue to shape-library onclick)
		3803	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3804	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3805	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3806	x/y in xrange / yrange coordinate system
8224	bpr	3807	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3808	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3809	25 = return all userdrawn arcs in degrees:
		3810	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3811	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
7614	schaersvoo	3812	*/
		3813
		3814
8257	schaersvoo	3815	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3816	/* just 1 reply type allowed */
8074	schaersvoo	3817	fprintf(js_include_file,"\
		3818	\n<!-- begin set_reply_precision() -->\n\
		3819	function set_reply_precision(){\
		3820	var len = userdraw_x.length;\
		3821	var prec = %d;\
		3822	for(var p = 0 ; p < len ; p++ ){\
		3823	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3824	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3825	};\
		3826	len = userdraw_radius.length;\
		3827	if( len > 0 ){\
		3828	for(var p = 0 ; p < len ; p++ ){\
		3829	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3830	};\
		3831	};\
		3832	};",reply_precision);
7963	schaersvoo	3833
7614	schaersvoo	3834	switch(type_reply){
8224	bpr	3835	/*
7614	schaersvoo	3836	answers may have:
		3837	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3838	*/
		3839	case 1: fprintf(js_include_file,"\
8257	schaersvoo	3840	\n<!-- begin function 1 read_canvas%d() -->\n\
		3841	read_canvas%d = function(){\
7614	schaersvoo	3842	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3843	set_reply_precision();\
7614	schaersvoo	3844	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3845	var p = 0;var input_reply = new Array();\
		3846	if( document.getElementById(\"canvas_input0\")){\
		3847	var t = 0;\
		3848	while(document.getElementById(\"canvas_input\"+t)){\
		3849	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3850	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3851	p++;\
		3852	};\
		3853	t++;\
		3854	};\
		3855	};\
		3856	if( typeof userdraw_text != 'undefined' ){\
		3857	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3858	}\
		3859	else\
		3860	{\
		3861	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3862	}\
		3863	}\
		3864	else\
		3865	{\
		3866	if( typeof userdraw_text != 'undefined' ){\
		3867	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3868	}\
		3869	else\
		3870	{\
		3871	return userdraw_x+\"\\n\"+userdraw_y;\
		3872	}\
		3873	};\
8108	schaersvoo	3874	};\n\
8257	schaersvoo	3875	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3876	break;
		3877	case 2: fprintf(js_include_file,"\
8257	schaersvoo	3878	\n<!-- begin function 2 read_canvas%d() -->\n\
		3879	read_canvas%d = function(){\
7614	schaersvoo	3880	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3881	set_reply_precision();\
7614	schaersvoo	3882	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	3883	var prec = %d;\
7614	schaersvoo	3884	while(userdraw_x[p]){\
8074	schaersvoo	3885	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3886	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3887	p++;\
		3888	};\
		3889	if(p == 0){alert(\"nothing drawn...\");return;};\
		3890	if( document.getElementById(\"canvas_input0\")){\
		3891	var p = 0;var input_reply = new Array();\
		3892	if( document.getElementById(\"canvas_input0\")){\
		3893	var t = 0;\
		3894	while(document.getElementById(\"canvas_input\"+t)){\
		3895	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3896	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3897	p++;\
		3898	};\
		3899	t++;\
		3900	};\
		3901	};\
		3902	if( typeof userdraw_text != 'undefined' ){\
		3903	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3904	}\
		3905	else\
		3906	{\
		3907	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3908	}\
		3909	}\
		3910	else\
		3911	{\
		3912	if( typeof userdraw_text != 'undefined' ){\
		3913	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3914	}\
		3915	else\
		3916	{\
		3917	return reply_x+\"\\n\"+reply_y;\
		3918	};\
		3919	};\
8108	schaersvoo	3920	};\n\
8257	schaersvoo	3921	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	3922	break;
		3923	case 3: fprintf(js_include_file,"\
8257	schaersvoo	3924	\n<!-- begin function 3 read_canvas%d() -->\n\
		3925	read_canvas%d = function(){\
7614	schaersvoo	3926	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3927	set_reply_precision();\
7614	schaersvoo	3928	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3929	var p = 0;var input_reply = new Array();\
		3930	if( document.getElementById(\"canvas_input0\")){\
		3931	var t = 0;\
		3932	while(document.getElementById(\"canvas_input\"+t)){\
		3933	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3934	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3935	p++;\
		3936	};\
		3937	t++;\
		3938	};\
		3939	};\
		3940	if( typeof userdraw_text != 'undefined' ){\
		3941	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3942	}\
		3943	else\
		3944	{\
		3945	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3946	}\
		3947	}\
		3948	else\
		3949	{\
		3950	if( typeof userdraw_text != 'undefined' ){\
		3951	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3952	}\
		3953	else\
		3954	{\
		3955	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3956	}\
		3957	}\
8108	schaersvoo	3958	};\n\
8257	schaersvoo	3959	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3960	break;
		3961	case 4: fprintf(js_include_file,"\
8257	schaersvoo	3962	\n<!-- begin function 4 read_canvas%d() -->\n\
		3963	read_canvas%d = function(){\
8074	schaersvoo	3964	var prec = %d;\
7614	schaersvoo	3965	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3966	while(userdraw_x[p]){\
8074	schaersvoo	3967	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3968	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	3969	p++;\
		3970	};\
		3971	if(p == 0){alert(\"nothing drawn...\");return;};\
		3972	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3973	var p = 0;var input_reply = new Array();\
		3974	if( document.getElementById(\"canvas_input0\")){\
		3975	var t = 0;\
		3976	while(document.getElementById(\"canvas_input\"+t)){\
		3977	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3978	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3979	p++;\
		3980	};\
		3981	t++;\
		3982	};\
		3983	};\
		3984	if( typeof userdraw_text != 'undefined' ){\
		3985	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3986	}\
		3987	else\
		3988	{\
		3989	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3990	}\
		3991	}\
		3992	else\
		3993	{\
		3994	if( typeof userdraw_text != 'undefined' ){\
		3995	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3996	}\
		3997	else\
		3998	{\
		3999	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		4000	}\
		4001	};\
8108	schaersvoo	4002	};\n\
8257	schaersvoo	4003	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4004	break;
8224	bpr	4005	/*
		4006	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4007	used for userdraw multiple paths
7614	schaersvoo	4008	*/
		4009	case 5: fprintf(js_include_file,"\
8257	schaersvoo	4010	\n<!-- begin function 5 read_canvas%d() -->\n\
		4011	read_canvas%d = function(){\
8074	schaersvoo	4012	set_reply_precision();\
7614	schaersvoo	4013	var p = 0;\
		4014	var reply = \"\";\
		4015	for(p = 0; p < userdraw_x.length;p++){\
		4016	if(userdraw_x[p] != null ){\
		4017	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		4018	};\
		4019	};\
		4020	if(p == 0){alert(\"nothing drawn...\");return;};\
		4021	userdraw_x = [];userdraw_y = [];\
		4022	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4023	var p = 0;var input_reply = new Array();\
		4024	if( document.getElementById(\"canvas_input0\")){\
		4025	var t = 0;\
		4026	while(document.getElementById(\"canvas_input\"+t)){\
		4027	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4028	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4029	p++;\
		4030	};\
		4031	t++;\
		4032	};\
		4033	};\
		4034	if( typeof userdraw_text != 'undefined' ){\
		4035	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4036	}\
		4037	else\
		4038	{\
		4039	return reply +\"\\n\"+input_reply;\
		4040	}\
		4041	}\
		4042	else\
		4043	{\
		4044	if( typeof userdraw_text != 'undefined' ){\
		4045	return reply+\"\\n\"+userdraw_text;\
		4046	}\
		4047	else\
		4048	{\
		4049	return reply;\
		4050	}\
		4051	};\
8108	schaersvoo	4052	};\n\
8257	schaersvoo	4053	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4054	break;
8224	bpr	4055	/*
		4056	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4057	used for userdraw multiple paths
7614	schaersvoo	4058	*/
		4059	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4060	\n<!-- begin function 6 read_canvas%d() -->\n\
		4061	read_canvas%d = function(){\
7614	schaersvoo	4062	var p = 0;\
		4063	var reply = \"\";\
		4064	var tmp_x = new Array();\
		4065	var tmp_y = new Array();\
8074	schaersvoo	4066	var prec = %d;\
7614	schaersvoo	4067	for(p = 0 ; p < userdraw_x.length; p++){\
		4068	tmp_x = userdraw_x[p];\
		4069	tmp_y = userdraw_y[p];\
		4070	if(tmp_x != null){\
		4071	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4072	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4073	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4074	};\
		4075	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4076	};\
		4077	};\
		4078	if(p == 0){alert(\"nothing drawn...\");return;};\
		4079	userdraw_x = [];userdraw_y = [];\
		4080	if( document.getElementById(\"canvas_input0\") ){\
		4081	var p = 0;var input_reply = new Array();\
		4082	if( document.getElementById(\"canvas_input0\")){\
		4083	var t = 0;\
		4084	while(document.getElementById(\"canvas_input\"+t)){\
		4085	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4086	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4087	p++;\
		4088	};\
		4089	t++;\
		4090	};\
		4091	};\
		4092	if( typeof userdraw_text != 'undefined' ){\
		4093	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4094	}\
		4095	else\
		4096	{\
		4097	return reply +\"\\n\"+input_reply;\
		4098	}\
		4099	}\
		4100	else\
		4101	{\
		4102	if( typeof userdraw_text != 'undefined' ){\
		4103	return reply +\"\\n\"+userdraw_text;\
		4104	}\
		4105	else\
		4106	{\
		4107	return reply;\
		4108	}\
		4109	};\
8108	schaersvoo	4110	};\n\
8257	schaersvoo	4111	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4112	break;
		4113	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4114	\n<!-- begin function 7 read_canvas%d() -->\n\
		4115	read_canvas%d = function(){\
8074	schaersvoo	4116	set_reply_precision();\
7614	schaersvoo	4117	var reply = new Array();\
		4118	var p = 0;\
		4119	while(userdraw_x[p]){\
		4120	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4121	p++;\
		4122	};\
		4123	if(p == 0){alert(\"nothing drawn...\");return;};\
		4124	if( document.getElementById(\"canvas_input0\") ){\
		4125	var p = 0;var input_reply = new Array();\
		4126	if( document.getElementById(\"canvas_input0\")){\
		4127	var t = 0;\
		4128	while(document.getElementById(\"canvas_input\"+t)){\
		4129	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4130	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4131	p++;\
		4132	};\
		4133	t++;\
		4134	};\
		4135	};\
		4136	if( typeof userdraw_text != 'undefined' ){\
		4137	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4138	}\
		4139	else\
		4140	{\
		4141	return reply+\"\\n\"+input_reply;\
		4142	}\
7862	schaersvoo	4143	}\
7614	schaersvoo	4144	else\
		4145	{\
		4146	if( typeof userdraw_text != 'undefined' ){\
		4147	return reply+\"\\n\"+userdraw_text;\
		4148	}\
		4149	else\
		4150	{\
		4151	return reply;\
		4152	}\
		4153	};\
8108	schaersvoo	4154	};\n\
8257	schaersvoo	4155	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4156	break;
		4157	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4158	\n<!-- begin function 8 read_canvas%d() -->\n\
		4159	read_canvas%d = function(){\
7614	schaersvoo	4160	var reply = new Array();\
		4161	var p = 0;\
8074	schaersvoo	4162	var prec = %d;\
7614	schaersvoo	4163	while(userdraw_x[p]){\
8074	schaersvoo	4164	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4165	p++;\
		4166	};\
		4167	if(p == 0){alert(\"nothing drawn...\");return;};\
		4168	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4169	var p = 0;var input_reply = new Array();\
		4170	if( document.getElementById(\"canvas_input0\")){\
		4171	var t = 0;\
		4172	while(document.getElementById(\"canvas_input\"+t)){\
		4173	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4174	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4175	p++;\
		4176	};\
		4177	t++;\
		4178	};\
		4179	};\
		4180	if( typeof userdraw_text != 'undefined' ){\
		4181	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4182	}\
		4183	else\
		4184	{\
		4185	return reply +\"\\n\"+input_reply;\
		4186	}\
		4187	}\
		4188	else\
		4189	{\
		4190	if( typeof userdraw_text != 'undefined' ){\
		4191	return reply +\"\\n\"+userdraw_text;\
		4192	}\
		4193	else\
		4194	{\
		4195	return reply;\
		4196	}\
		4197	};\
8108	schaersvoo	4198	};\n\
8257	schaersvoo	4199	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4200	break;
		4201	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4202	\n<!-- begin function 9 read_canvas%d() -->\n\
		4203	read_canvas%d = function(){\
8074	schaersvoo	4204	set_reply_precision();\
7614	schaersvoo	4205	var reply = new Array();\
		4206	var p = 0;\
		4207	while(userdraw_x[p]){\
		4208	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4209	p++;\
		4210	};\
		4211	if(p == 0){alert(\"nothing drawn...\");return;};\
		4212	if( document.getElementById(\"canvas_input0\") ){\
		4213	var p = 0;var input_reply = new Array();\
		4214	if( document.getElementById(\"canvas_input0\")){\
		4215	var t = 0;\
		4216	while(document.getElementById(\"canvas_input\"+t)){\
		4217	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4218	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4219	p++;\
		4220	};\
		4221	t++;\
		4222	};\
		4223	};\
		4224	if( typeof userdraw_text != 'undefined' ){\
		4225	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4226	}\
		4227	else\
		4228	{\
		4229	return reply +\"\\n\"+input_reply;\
		4230	}\
		4231	}\
		4232	else\
		4233	{\
		4234	if( typeof userdraw_text != 'undefined' ){\
		4235	return reply +\"\\n\"+userdraw_text;\
		4236	}\
		4237	else\
		4238	{\
		4239	return reply;\
		4240	}\
		4241	};\
8108	schaersvoo	4242	};\n\
8257	schaersvoo	4243	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4244	break;
		4245	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4246	\n<!-- begin function 10 read_canvas%d() -->\n\
		4247	read_canvas%d = function(){\
7614	schaersvoo	4248	var reply = new Array();\
		4249	var p = 0;\
8074	schaersvoo	4250	var prec = %d;\
7614	schaersvoo	4251	while(userdraw_x[p]){\
8074	schaersvoo	4252	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	4253	p++;\
		4254	};\
		4255	if(p == 0){alert(\"nothing drawn...\");return;};\
		4256	if( document.getElementById(\"canvas_input0\") ){\
		4257	var p = 0;var input_reply = new Array();\
		4258	if( document.getElementById(\"canvas_input0\")){\
		4259	var t = 0;\
		4260	while(document.getElementById(\"canvas_input\"+t)){\
		4261	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4262	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4263	p++;\
		4264	};\
		4265	t++;\
		4266	};\
		4267	};\
		4268	if( typeof userdraw_text != 'undefined' ){\
		4269	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4270	}\
		4271	else\
		4272	{\
		4273	return reply +\"\\n\"+input_reply;\
		4274	}\
		4275	}\
		4276	else\
		4277	{\
		4278	if( typeof userdraw_text != 'undefined' ){\
		4279	return reply +\"\\n\"+userdraw_text;\
		4280	}\
		4281	else\
		4282	{\
		4283	return reply;\
		4284	}\
		4285	};\
8108	schaersvoo	4286	};\n\
8257	schaersvoo	4287	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4288	break;
		4289	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4290	\n<!-- begin function 11 read_canvas%d() -->\n\
		4291	read_canvas%d = function(){\
7614	schaersvoo	4292	var reply = \"\";\
		4293	var p = 0;\
8074	schaersvoo	4294	var prec = %d;\
7614	schaersvoo	4295	while(userdraw_x[p]){\
8074	schaersvoo	4296	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	4297	p = p+2;\
		4298	};\
		4299	if(p == 0){alert(\"nothing drawn...\");return;};\
		4300	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4301	var p = 0;var input_reply = new Array();\
		4302	if( document.getElementById(\"canvas_input0\")){\
		4303	var t = 0;\
		4304	while(document.getElementById(\"canvas_input\"+t)){\
		4305	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4306	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4307	p++;\
		4308	};\
		4309	t++;\
		4310	};\
		4311	};\
		4312	if( typeof userdraw_text != 'undefined' ){\
		4313	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4314	}\
		4315	else\
		4316	{\
		4317	return reply +\"\\n\"+input_reply;\
		4318	}\
		4319	}\
		4320	else\
		4321	{\
		4322	if( typeof userdraw_text != 'undefined' ){\
		4323	return reply +\"\\n\"+userdraw_text;\
		4324	}\
		4325	else\
		4326	{\
		4327	return reply;\
		4328	}\
		4329	};\
8108	schaersvoo	4330	};\n\
8257	schaersvoo	4331	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4332	break;
		4333	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4334	\n<!-- begin function 12 read_canvas%d() -->\n\
		4335	read_canvas%d = function(){\
8074	schaersvoo	4336	set_reply_precision();\
7614	schaersvoo	4337	var reply = \"\";\
		4338	var p = 0;\
		4339	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4340	if(userdraw_x[p] != null){\
		4341	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4342	};\
		4343	};\
		4344	if(p == 0){alert(\"nothing drawn...\");return;};\
		4345	if( document.getElementById(\"canvas_input0\") ){\
		4346	var p = 0;var input_reply = new Array();\
		4347	if( document.getElementById(\"canvas_input0\")){\
		4348	var t = 0;\
		4349	while(document.getElementById(\"canvas_input\"+t)){\
		4350	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4351	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4352	p++;\
		4353	};\
		4354	t++;\
		4355	};\
		4356	};\
		4357	if( typeof userdraw_text != 'undefined' ){\
		4358	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4359	}\
		4360	else\
		4361	{\
		4362	return reply +\"\\n\"+input_reply;\
		4363	}\
		4364	}\
		4365	else\
		4366	{\
		4367	if( typeof userdraw_text != 'undefined' ){\
		4368	return reply +\"\\n\"+userdraw_text\
		4369	}\
		4370	else\
		4371	{\
		4372	return reply;\
		4373	}\
		4374	};\
8108	schaersvoo	4375	};\n\
8257	schaersvoo	4376	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4377	break;
		4378	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4379	\n<!-- begin function 13 read_canvas%d() -->\n\
		4380	read_canvas%d = function(){\
7614	schaersvoo	4381	var reply = new Array();\
		4382	var p = 0;var i = 0;\
8074	schaersvoo	4383	var prec = %d;\
7614	schaersvoo	4384	while(userdraw_x[p]){\
8074	schaersvoo	4385	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	4386	p = p+2;i++;\
		4387	};\
		4388	if(p == 0){alert(\"nothing drawn...\");return;};\
		4389	if( document.getElementById(\"canvas_input0\") ){\
		4390	var p = 0;var input_reply = new Array();\
		4391	if( document.getElementById(\"canvas_input0\")){\
		4392	var t = 0;\
		4393	while(document.getElementById(\"canvas_input\"+t)){\
		4394	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4395	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4396	p++;\
		4397	};\
		4398	t++;\
		4399	};\
		4400	};\
		4401	if( typeof userdraw_text != 'undefined' ){\
		4402	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4403	}\
		4404	else\
		4405	{\
		4406	return reply +\"\\n\"+input_reply;\
		4407	}\
		4408	}\
		4409	else\
		4410	{\
		4411	if( typeof userdraw_text != 'undefined' ){\
		4412	return reply +\"\\n\"+userdraw_text\
		4413	}\
		4414	else\
		4415	{\
		4416	return reply;\
		4417	}\
		4418	};\
8108	schaersvoo	4419	};\n\
8257	schaersvoo	4420	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4421	break;
		4422	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4423	\n<!-- begin function 14 read_canvas%d() -->\n\
		4424	read_canvas%d = function(){\
8074	schaersvoo	4425	set_reply_precision();\
7614	schaersvoo	4426	var reply = new Array();\
		4427	var p = 0;var i = 0;\
		4428	while(userdraw_x[p]){\
		4429	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4430	p = p+2;i++;\
		4431	};\
		4432	if(p == 0){alert(\"nothing drawn...\");return;};\
		4433	if( document.getElementById(\"canvas_input0\") ){\
		4434	var p = 0;var input_reply = new Array();\
		4435	if( document.getElementById(\"canvas_input0\")){\
		4436	var t = 0;\
		4437	while(document.getElementById(\"canvas_input\"+t)){\
		4438	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4439	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4440	p++;\
		4441	};\
		4442	t++;\
		4443	};\
		4444	};\
		4445	if( typeof userdraw_text != 'undefined' ){\
		4446	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4447	}\
		4448	else\
		4449	{\
		4450	return reply +\"\\n\"+input_reply;\
		4451	}\
		4452	}\
		4453	else\
		4454	{\
		4455	if( typeof userdraw_text != 'undefined' ){\
		4456	return reply +\"\\n\"+userdraw_text;\
		4457	}\
		4458	else\
		4459	{\
		4460	return reply;\
		4461	}\
		4462	};\
8108	schaersvoo	4463	};\n\
8257	schaersvoo	4464	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4465	break;
		4466	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4467	\n<!-- begin function 15 read_canvas%d() -->\n\
		4468	read_canvas%d = function(){\
7614	schaersvoo	4469	var input_reply = new Array();\
		4470	var p = 0;\
		4471	if( document.getElementById(\"canvas_input0\")){\
		4472	var t = 0;\
		4473	while(document.getElementById(\"canvas_input\"+t)){\
		4474	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4475	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4476	p++;\
		4477	};\
		4478	t++;\
		4479	};\
		4480	};\
		4481	if( typeof userdraw_text != 'undefined' ){\
		4482	return input_reply +\"\\n\"+userdraw_text;\
		4483	}\
		4484	else\
		4485	{\
		4486	return input_reply;\
		4487	};\
8108	schaersvoo	4488	};\n\
8257	schaersvoo	4489	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4490	break;
		4491	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4492	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4493	function read_mathml(){\
		4494	var reply = new Array();\
		4495	var p = 0;\
		4496	if( document.getElementById(\"mathml0\")){\
		4497	while(document.getElementById(\"mathml\"+p)){\
		4498	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4499	p++;\
		4500	};\
		4501	};\
		4502	return reply;\
		4503	};\
		4504	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4505	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4506	break;
		4507	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4508	\n<!-- begin function 17 read_canvas%d() -->\n\
		4509	read_canvas%d = function(){\
7614	schaersvoo	4510	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4511	return userdraw_text;\
8108	schaersvoo	4512	};\n\
8257	schaersvoo	4513	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4514	break;
		4515	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4516	\n<!-- begin function 18 read_canvas%d() -->\n\
		4517	read_canvas%d = function(){\
7614	schaersvoo	4518	var p = 0;\
		4519	var reply = new Array();\
		4520	var name;\
		4521	var t = true;\
8000	schaersvoo	4522	var h;var m;var s;\
7614	schaersvoo	4523	while(t){\
8000	schaersvoo	4524	try{\
		4525	name = eval('clocks'+p);\
		4526	h = name.H;m = name.M;s = name.S;\
		4527	if(s < 0){s = 60 + s;m = m - 1;};\
		4528	if(m < 0){m = 60 + m;h = h - 1;};\
		4529	if(h < 0){h = 12 + h;};\
		4530	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4531	reply[p] = h+\":\"+m+\":\"+s;\
		4532	p++;\
		4533	}catch(e){t=false;};\
7614	schaersvoo	4534	};\
8000	schaersvoo	4535	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4536	return reply;\
8108	schaersvoo	4537	};\n\
8257	schaersvoo	4538	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4539	break;
		4540	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4541	\n<!-- begin function 19 read_canvas%d() -->\n\
		4542	read_canvas%d = function(){\
7614	schaersvoo	4543	return reply[0];\
8108	schaersvoo	4544	};\n\
8257	schaersvoo	4545	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4546	break;
7614	schaersvoo	4547	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4548	\n<!-- begin function 20 read_canvas%d() -->\n\
		4549	read_canvas%d = function(){\
8074	schaersvoo	4550	var prec = %d;\
7614	schaersvoo	4551	var len = ext_drag_images.length;\
		4552	var reply = new Array(len);\
		4553	for(var p = 0 ; p < len ; p++){\
		4554	var img = ext_drag_images[p];\
8074	schaersvoo	4555	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4556	};\
		4557	return reply;\
8108	schaersvoo	4558	};\n\
8257	schaersvoo	4559	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4560	break;
		4561	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4562	\n<!-- begin function 21 read_canvas%d() -->\n\
		4563	read_canvas%d = function(){\
7614	schaersvoo	4564	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4565	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4566	var prec = %d;\
7614	schaersvoo	4567	while(userdraw_x[p]){\
8074	schaersvoo	4568	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4569	p++;\
		4570	};\
		4571	if(p == 0){alert(\"nothing drawn...\");return;};\
		4572	if( document.getElementById(\"canvas_input0\") ){\
		4573	var p = 0;var input_reply = new Array();\
		4574	if( document.getElementById(\"canvas_input0\")){\
		4575	var t = 0;\
		4576	while(document.getElementById(\"canvas_input\"+t)){\
		4577	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4578	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4579	p++;\
		4580	};\
		4581	t++;\
		4582	};\
		4583	};\
		4584	if( typeof userdraw_text != 'undefined' ){\
		4585	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4586	}\
		4587	else\
		4588	{\
		4589	return reply_coord+\"\\n\"+input_reply;\
		4590	}\
		4591	}\
		4592	else\
		4593	{\
		4594	if( typeof userdraw_text != 'undefined' ){\
		4595	return reply_coord+\"\\n\"+userdraw_text;\
		4596	}\
		4597	else\
		4598	{\
		4599	return reply_coord;\
		4600	};\
		4601	};\
8108	schaersvoo	4602	};\n\
8257	schaersvoo	4603	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4604	break;
		4605	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4606	\n<!-- begin function 22 read_canvas%d() -->\n\
		4607	read_canvas%d = function(){\
7614	schaersvoo	4608	var reply = new Array();\
7963	schaersvoo	4609	var lu = userdraw_x.length;\
		4610	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4611	var idx = 0;\
8074	schaersvoo	4612	var prec = %d;\
7963	schaersvoo	4613	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4614	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4615	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4616	};\
		4617	if( document.getElementById(\"canvas_input0\") ){\
		4618	var p = 0;var input_reply = new Array();\
		4619	if( document.getElementById(\"canvas_input0\")){\
		4620	var t = 0;\
		4621	while(document.getElementById(\"canvas_input\"+t)){\
		4622	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4623	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4624	p++;\
		4625	};\
		4626	t++;\
		4627	};\
		4628	};\
		4629	if( typeof userdraw_text != 'undefined' ){\
		4630	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4631	}\
		4632	else\
		4633	{\
		4634	return reply +\"\\n\"+input_reply;\
		4635	}\
		4636	}\
		4637	else\
		4638	{\
		4639	if( typeof userdraw_text != 'undefined' ){\
		4640	return reply +\"\\n\"+userdraw_text;\
		4641	}\
		4642	else\
		4643	{\
		4644	return reply;\
		4645	}\
		4646	};\
8108	schaersvoo	4647	};\n\
8257	schaersvoo	4648	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4649	break;
7782	schaersvoo	4650	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4651	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4652	read_canvas%d = function(){\
7782	schaersvoo	4653	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4654	var lu = userdraw_x.length;\
		4655	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4656	var reply_x = new Array();var reply_y = new Array();\
		4657	var marge = 5;var p = 0;\
8074	schaersvoo	4658	var prec = %d;\
7782	schaersvoo	4659	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4660	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4661	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4662	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4663	p++;\
7782	schaersvoo	4664	};\
8074	schaersvoo	4665	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	4666	};\
		4667	if( document.getElementById(\"canvas_input0\")){\
		4668	var p = 0;var input_reply = new Array();\
		4669	if( document.getElementById(\"canvas_input0\")){\
		4670	var t = 0;\
		4671	while(document.getElementById(\"canvas_input\"+t)){\
		4672	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4673	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4674	p++;\
		4675	};\
		4676	t++;\
		4677	};\
		4678	};\
		4679	if( typeof userdraw_text != 'undefined' ){\
		4680	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4681	}\
		4682	else\
		4683	{\
		4684	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4685	}\
		4686	}\
		4687	else\
		4688	{\
		4689	if( typeof userdraw_text != 'undefined' ){\
		4690	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4691	}\
		4692	else\
		4693	{\
		4694	return reply_x+\"\\n\"+reply_y;\
		4695	};\
		4696	};\
8108	schaersvoo	4697	};\n\
8257	schaersvoo	4698	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4699	break;
7984	schaersvoo	4700	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4701	<!-- begin function 24 read_canvas%d() -->\n\
		4702	read_canvas%d = function(){\
7984	schaersvoo	4703	var input_reply = new Array();\
		4704	var p = 0;\
		4705	if( document.getElementById(\"canvas_input0\")){\
		4706	while(document.getElementById(\"canvas_input\"+p)){\
		4707	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4708	p++;\
		4709	};\
		4710	return input_reply;\
		4711	};\
8108	schaersvoo	4712	};\n\
8257	schaersvoo	4713	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4714	break;
8083	schaersvoo	4715	case 25:
8257	schaersvoo	4716	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4717	read_canvas%d = function(){\
8083	schaersvoo	4718	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4719	var lu = userdraw_radius.length;\
		4720	var prec = %d;\
		4721	var angle_reply = new Array(lu);\
		4722	for(var p = 0 ; p < lu ; p++){\
		4723	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4724	};\
		4725	return angle_reply;\
8108	schaersvoo	4726	};\n\
8257	schaersvoo	4727	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4728	break;
		4729	case 26:
8257	schaersvoo	4730	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4731	read_canvas%d = function(){\
8083	schaersvoo	4732	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4733	var lu = userdraw_radius.length;\
		4734	var prec = %d;\
		4735	var angle_reply = new Array(lu);\
		4736	for(var p = 0 ; p < lu ; p++){\
		4737	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4738	};\
		4739	return angle_reply;\
8108	schaersvoo	4740	};\n\
8257	schaersvoo	4741	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4742	break;
8127	schaersvoo	4743	case 27:
8257	schaersvoo	4744	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4745	read_canvas%d = function(){\
8127	schaersvoo	4746	var lu = userdraw_x.length;\
		4747	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4748	set_reply_precision();\
		4749	var prec = %d;\
		4750	for(var p = 0 ; p < lu ; p++){\
		4751	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4752	};\
		4753	return reply;\
		4754	};\n\
8257	schaersvoo	4755	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4756	break;
7614	schaersvoo	4757	default: canvas_error("hmmm unknown replyformat...");break;
		4758	}
		4759	return;
		4760	}
		4761
		4762
8224	bpr	4763	/*
		4764	add drawfunction :
7614	schaersvoo	4765	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4766	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4767	- grid / mathml
		4768	- will not scale or zoom in
		4769	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4770	- is printed directly into 'js_include_file'
7614	schaersvoo	4771	*/
		4772
		4773	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4774	int i;
		4775	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4776	if( js_functions[i] == 1){
		4777	switch(i){
		4778	case DRAG_EXTERNAL_IMAGE:
		4779	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4780	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4781	var external_ctx = external_canvas.getContext(\"2d\");\
		4782	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4783	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4784	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4785	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4786	var selected_image = null;\
		4787	var ext_image_cnt = 0;\
		4788	var ext_drag_images = new Array();\
		4789	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4790	ext_image_cnt = idx;\
		4791	var image = new Image();\
		4792	image.src = URL;\
		4793	image.onload = function(){\
		4794	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4795	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4796	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4797	var img = new Array(10);\
7653	schaersvoo	4798	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4799	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4800	ext_drag_images[idx] = img;\
		4801	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4802	};\
		4803	};\
		4804	function dragstop(evt){\
		4805	selected_image = null;return;\
		4806	};\
		4807	function dragxy(evt){\
		4808	if( selected_image != null ){\
		4809	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4810	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4811	var s_img = ext_drag_images[selected_image];\
		4812	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4813	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4814	ext_drag_images[selected_image] = s_img;\
		4815	external_ctx.clearRect(0,0,xsize,ysize);\
		4816	for(var i = 0; i <= ext_image_cnt ; i++){\
		4817	var img = ext_drag_images[i];\
		4818	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4819	};\
		4820	};\
		4821	};\
		4822	function setxy(evt){\
		4823	if( ! selected_image && evt.which == 1 ){\
		4824	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4825	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4826	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4827	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4828	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4829	var img = ext_drag_images[p];\
		4830	if( img[0] == 1 ){\
		4831	var w = img.width;\
		4832	var h = img.height;\
		4833	if( xm > img[6] && xm < img[6] + img[4]){\
		4834	if( ym > img[7] && ym < img[7] + img[5]){\
		4835	img[6] = xm;\
		4836	img[7] = ym;\
		4837	ext_drag_images[p] = img;\
		4838	selected_image = p;\
		4839	dragxy(evt);\
		4840	};\
		4841	};\
		4842	};\
		4843	};\
		4844	}\
		4845	else\
		4846	{\
		4847	selected_image = null;\
		4848	};\
7614	schaersvoo	4849	};",canvas_root_id);
		4850	break;
		4851
		4852	case DRAW_EXTERNAL_IMAGE:
		4853	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	4854	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	4855	var image = new Image();\
		4856	image.src = URL;\
		4857	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4858	image.onload = function(){\
		4859	if( x0 < 1 ){ x0 = 0; };\
		4860	if( y0 < 1 ){ y0 = 0; };\
		4861	if( sx < 1 ){ sx = 0; };\
		4862	if( sy < 1 ){ sy = 0; };\
		4863	if( width < 1 ){ width = image.width;};\
		4864	if( height < 1 ){ height = image.height;};\
		4865	if( swidth < 1 ){ swidth = image.width;};\
		4866	if( sheight < 1 ){ sheight = image.height;};\
		4867	var ml = x0 - sx;\
		4868	var mh = y0 - sy;\
		4869	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4870	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4871	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4872	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4873	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4874	};\
8224	bpr	4875	};",canvas_root_id);
7614	schaersvoo	4876	break;
		4877	case DRAW_GRIDFILL:/* not used for userdraw */
		4878	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	4879	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	4880	var obj;\
		4881	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4882	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4883	}\
		4884	else\
		4885	{\
		4886	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4887	};\
		4888	var ctx = obj.getContext(\"2d\");\
		4889	var x,y;\
7883	schaersvoo	4890	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4891	ctx.save();\
		4892	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4893	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4894	ctx.moveTo(x,y0);\
		4895	ctx.lineTo(x,ysize);\
		4896	};\
7645	schaersvoo	4897	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4898	ctx.moveTo(x0,y);\
		4899	ctx.lineTo(xsize,y);\
		4900	};\
		4901	ctx.stroke();\
		4902	ctx.restore();\
7653	schaersvoo	4903	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4904	break;
8224	bpr	4905
7614	schaersvoo	4906	case DRAW_IMAGEFILL:/* not used for userdraw */
		4907	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	4908	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	4909	var obj;\
		4910	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4911	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4912	}\
		4913	else\
		4914	{\
		4915	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4916	};\
		4917	var ctx = obj.getContext(\"2d\");\
		4918	ctx.save();\
		4919	var img = new Image();\
		4920	img.src = URL;\
		4921	img.onload = function(){\
		4922	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4923	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4924	}\
		4925	else\
		4926	{\
		4927	var repeat = \"repeat\";\
		4928	if(img.width > xsize - x0){\
		4929	repeat = \"repeat-y\";\
		4930	}\
		4931	else\
		4932	{\
		4933	if( img.height > ysize -x0 ){\
		4934	repeat = \"repeat-x\";\
		4935	}\
		4936	}\
		4937	var pattern = ctx.createPattern(img,repeat);\
		4938	ctx.rect(x0,y0,xsize,ysize);\
		4939	ctx.fillStyle = pattern;\
		4940	}\
		4941	ctx.fill();\
		4942	};\
		4943	ctx.restore();\
		4944	return;\
7653	schaersvoo	4945	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4946	break;
8224	bpr	4947
7614	schaersvoo	4948	case DRAW_DOTFILL:/* not used for userdraw */
		4949	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	4950	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	4951	var obj;\
		4952	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4953	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4954	}\
		4955	else\
		4956	{\
		4957	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4958	};\
		4959	var ctx = obj.getContext(\"2d\");\
		4960	var x,y;\
		4961	ctx.closePath();\
		4962	ctx.save();\
7645	schaersvoo	4963	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4964	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4965	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4966	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4967	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4968	ctx.closePath();\
		4969	}\
		4970	}\
		4971	ctx.fill();\
		4972	ctx.restore();\
7653	schaersvoo	4973	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4974	break;
7645	schaersvoo	4975
7647	schaersvoo	4976	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4977	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	4978	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4979	var obj;\
		4980	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4981	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4982	}\
		4983	else\
		4984	{\
		4985	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4986	};\
		4987	var ctx = obj.getContext(\"2d\");\
		4988	var x;\
		4989	var y;\
		4990	ctx.save();\
		4991	ctx.lineWidth = linewidth;\
		4992	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4993	y = ysize;\
		4994	for( x = x0 ; x < xsize ; x = x + dx ){\
		4995	ctx.moveTo(x,y0);\
		4996	ctx.lineTo(xsize,y);\
		4997	y = y - dy;\
		4998	};\
		4999	y = y0;\
		5000	for( x = xsize ; x > 0 ; x = x - dx){\
		5001	ctx.moveTo(x,ysize);\
		5002	ctx.lineTo(x0,y);\
		5003	y = y + dy;\
		5004	};\
		5005	x = x0;\
		5006	for( y = y0 ; y < ysize ; y = y + dy ){\
		5007	ctx.moveTo(xsize,y);\
		5008	ctx.lineTo(x,ysize);\
		5009	x = x + dx;\
		5010	};\
		5011	x = xsize;\
		5012	for( y = ysize ; y > y0 ; y = y - dy ){\
		5013	ctx.moveTo(x,y0);\
		5014	ctx.lineTo(x0,y);\
		5015	x = x - dx;\
		5016	};\
		5017	ctx.stroke();\
		5018	ctx.restore();\
		5019	return;\
7653	schaersvoo	5020	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5021	break;
8224	bpr	5022
7647	schaersvoo	5023	case DRAW_HATCHFILL:/* not used for userdraw */
		5024	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5025	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	5026	var obj;\
		5027	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5028	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5029	}\
		5030	else\
		5031	{\
		5032	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5033	};\
		5034	var ctx = obj.getContext(\"2d\");\
		5035	var x;\
		5036	var y;\
		5037	ctx.save();\
		5038	ctx.lineWidth = linewidth;\
		5039	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5040	y = ysize;\
		5041	for( x = x0 ; x < xsize ; x = x + dx ){\
		5042	ctx.moveTo(x,y0);\
		5043	ctx.lineTo(xsize,y);\
		5044	y = y - dy;\
		5045	};\
		5046	y = y0;\
		5047	for( x = xsize ; x >= dx ; x = x - dx){\
		5048	ctx.moveTo(x,ysize);\
		5049	ctx.lineTo(x0,y);\
		5050	y = y + dy;\
		5051	};\
		5052	ctx.stroke();\
		5053	ctx.restore();\
		5054	return;\
7653	schaersvoo	5055	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5056	break;
7614	schaersvoo	5057	case DRAW_CIRCLES:/* used for userdraw */
		5058	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5059	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	5060	ctx.save();\
8071	schaersvoo	5061	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5062	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5063	ctx.lineWidth = line_width;\
		5064	for(var p = 0 ; p < x_points.length ; p++ ){\
		5065	ctx.beginPath();\
		5066	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5067	ctx.closePath();\
		5068	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5069	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5070	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5071	ctx.stroke();\
		5072	}\
		5073	ctx.restore();\
		5074	return;\
7653	schaersvoo	5075	};");
7614	schaersvoo	5076	break;
7663	schaersvoo	5077	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5078	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5079	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	5080	ctx.save();\
8071	schaersvoo	5081	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5082	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5083	ctx.lineWidth = line_width;\
		5084	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5085	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5086	ctx.clearRect(0,0,xsize,ysize);\
		5087	ctx.beginPath();\
		5088	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5089	ctx.moveTo(x_points[p],y_points[p]);\
		5090	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5091	}\
		5092	ctx.closePath();\
		5093	ctx.stroke();\
		5094	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5095	for(var p = 0 ; p < x_points.length ; p++ ){\
		5096	ctx.beginPath();\
		5097	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5098	ctx.closePath();ctx.fill();ctx.stroke();\
		5099	};\
		5100	ctx.restore();\
		5101	return;\
		5102	};");
		5103	break;
8224	bpr	5104
7614	schaersvoo	5105	case DRAW_SEGMENTS:/* used for userdraw */
		5106	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5107	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	5108	ctx.save();\
8071	schaersvoo	5109	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5110	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5111	ctx.lineWidth = line_width;\
		5112	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5113	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5114	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5115	ctx.beginPath();\
		5116	ctx.moveTo(x_points[p],y_points[p]);\
		5117	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5118	ctx.closePath();\
		5119	ctx.stroke();\
		5120	}\
		5121	ctx.restore();\
		5122	return;\
		5123	};");
		5124	break;
8224	bpr	5125
7614	schaersvoo	5126	case DRAW_LINES:/* used for userdraw */
		5127	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5128	function calc_line(x1,x2,y1,y2){\
		5129	var marge = 2;\
		5130	if(x1 < x2+marge && x1>x2-marge){\
		5131	return [x1,0,x1,ysize];\
		5132	};\
		5133	if(y1 < y2+marge && y1>y2-marge){\
		5134	return [0,y1,xsize,y1];\
		5135	};\
		5136	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5137	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5138	return [0,Y1,xsize,Y2];\
		5139	};\
8105	schaersvoo	5140	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	5141	ctx.save();\
		5142	var line = new Array(4);\
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	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5148	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5149	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5150	ctx.beginPath();\
		5151	ctx.moveTo(line[0],line[1]);\
		5152	ctx.lineTo(line[2],line[3]);\
		5153	ctx.closePath();\
		5154	ctx.stroke();\
		5155	}\
		5156	ctx.restore();\
		5157	return;\
		5158	};");
		5159	break;
		5160
8244	schaersvoo	5161	case DRAW_DEMILINES:/* used for userdraw */
		5162	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5163	function find_inf_point(x1,y1,x2,y2){\
		5164	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5165	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5166	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5167	};\
		5168	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){\
		5169	ctx.save();\
		5170	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5171	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5172	ctx.lineWidth = line_width;\
		5173	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5174	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5175	var pair = new Array(4);\
		5176	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5177	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5178	ctx.beginPath();\
		5179	ctx.moveTo(pair[0],pair[1]);\
		5180	ctx.lineTo(pair[2],pair[3]);\
		5181	ctx.closePath();\
		5182	ctx.stroke();\
		5183	}\
		5184	ctx.restore();\
		5185	return;\
		5186	};");
		5187	break;
		5188
7614	schaersvoo	5189	case DRAW_CROSSHAIRS:/* used for userdraw */
		5190	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5191	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	5192	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5193	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5194	ctx.lineWidth = line_width;\
		5195	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5196	var x1,x2,y1,y2;\
		5197	for(var p = 0 ; p < x_points.length ; p++ ){\
		5198	x1 = x_points[p] - crosshair_size;\
		5199	x2 = x_points[p] + crosshair_size;\
		5200	y1 = y_points[p] - crosshair_size;\
		5201	y2 = y_points[p] + crosshair_size;\
		5202	ctx.beginPath();\
		5203	ctx.moveTo(x1,y1);\
		5204	ctx.lineTo(x2,y2);\
		5205	ctx.closePath();\
		5206	ctx.stroke();\
		5207	ctx.beginPath();\
		5208	ctx.moveTo(x2,y1);\
		5209	ctx.lineTo(x1,y2);\
		5210	ctx.closePath();\
		5211	ctx.stroke();\
		5212	}\
		5213	ctx.restore();\
		5214	return;\
7653	schaersvoo	5215	};");
7614	schaersvoo	5216	break;
		5217
		5218	case DRAW_RECTS:/* used for userdraw */
		5219	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5220	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	5221	ctx.save();\
8071	schaersvoo	5222	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5223	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5224	ctx.lineWidth = line_width;\
		5225	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5226	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5227	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5228	ctx.beginPath();\
		5229	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5230	ctx.closePath();\
		5231	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5232	ctx.stroke();\
		5233	};\
		5234	ctx.restore();\
		5235	return;\
7653	schaersvoo	5236	};");
7614	schaersvoo	5237	break;
		5238
		5239	case DRAW_ROUNDRECTS:/* used for userdraw */
		5240	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5241	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	5242	ctx.save();\
8071	schaersvoo	5243	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5244	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5245	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5246	var x,y,w,h,r;\
		5247	for(var p = 0; p < x_points.length; p = p+2){\
		5248	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);\
		5249	ctx.beginPath();ctx.moveTo(x + r, y);\
		5250	ctx.lineTo(x + w - r, y);\
		5251	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5252	ctx.lineTo(x + w, y + h - r);\
		5253	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5254	ctx.lineTo(x + r, y + h);\
		5255	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5256	ctx.lineTo(x, y + r);\
		5257	ctx.quadraticCurveTo(x, y, x + r, y);\
		5258	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5259	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5260	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5261	ctx.stroke();\
		5262	}\
		5263	ctx.restore();\
7653	schaersvoo	5264	};");
8224	bpr	5265	break;
7614	schaersvoo	5266
		5267	case DRAW_ELLIPSES:/* not used for userdraw */
		5268	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5269	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	5270	var obj;\
		5271	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5272	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5273	}\
		5274	else\
		5275	{\
		5276	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5277	};\
		5278	var ctx = obj.getContext(\"2d\");\
		5279	ctx.save();\
8071	schaersvoo	5280	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5281	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5282	var cx,cy,ry,rx;\
		5283	ctx.lineWidth = line_width;\
		5284	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5285	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5286	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5287	for(var p=0;p< x_points.length;p = p+2){\
		5288	ctx.beginPath();\
		5289	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5290	ctx.translate(cx - rx, cy - ry);\
		5291	ctx.scale(rx, ry);\
		5292	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5293	if( use_filled == 1 ){ctx.fill();}\
		5294	ctx.stroke();\
		5295	};\
		5296	ctx.restore();\
7653	schaersvoo	5297	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5298	break;
		5299
		5300	case DRAW_PATHS: /* used for userdraw */
		5301	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5302	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	5303	ctx.save();\
8071	schaersvoo	5304	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5305	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5306	ctx.lineWidth = line_width;\
		5307	ctx.lineJoin = \"round\";\
		5308	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5309	ctx.beginPath();\
		5310	ctx.moveTo(x_points[0],y_points[0]);\
		5311	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5312	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5313	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5314	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5315	ctx.stroke();\
		5316	ctx.restore();\
		5317	return;\
		5318	};");
8224	bpr	5319
7614	schaersvoo	5320	break;
		5321	case DRAW_ARROWS:/* used for userdraw */
		5322	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5323	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	5324	ctx.save();\
8071	schaersvoo	5325	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5326	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5327	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5328	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5329	ctx.lineWidth = line_width;\
		5330	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5331	ctx.lineCap = \"round\";\
		5332	var x1,y1,x2,y2,dx,dy,len;\
		5333	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5334	ctx.save();\
7614	schaersvoo	5335	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5336	len = Math.sqrt(dxdx+dydy);\
		5337	ctx.translate(x2,y2);\
		5338	ctx.rotate(Math.atan2(dy,dx));\
		5339	ctx.lineCap = \"round\";\
		5340	ctx.beginPath();\
		5341	ctx.moveTo(0,0);\
		5342	ctx.lineTo(-len,0);\
		5343	ctx.closePath();\
		5344	ctx.stroke();\
		5345	ctx.beginPath();\
		5346	ctx.moveTo(0,0);\
		5347	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5348	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5349	ctx.closePath();\
		5350	ctx.fill();\
7874	schaersvoo	5351	ctx.restore();\
7614	schaersvoo	5352	if( type == 2 ){\
		5353	ctx.save();\
		5354	ctx.translate(x1,y1);\
		5355	ctx.rotate(Math.atan2(-dy,-dx));\
		5356	ctx.beginPath();\
		5357	ctx.moveTo(0,0);\
		5358	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5359	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5360	ctx.closePath();\
		5361	ctx.stroke();\
		5362	ctx.fill();\
7874	schaersvoo	5363	ctx.restore();\
7614	schaersvoo	5364	}\
		5365	}\
		5366	ctx.restore();\
		5367	return;\
7653	schaersvoo	5368	};");
7614	schaersvoo	5369	break;
		5370
		5371	case DRAW_VIDEO:/* not used for userdraw */
		5372	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5373	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5374	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5375	var video_div = document.createElement(\"div\");\
		5376	canvas_div.appendChild(video_div);\
		5377	video_div.style.position = \"absolute\";\
		5378	video_div.style.left = x+\"px\";\
		5379	video_div.style.top = y+\"px\";\
		5380	video_div.style.width = w+\"px\";\
		5381	video_div.style.height = h+\"px\";\
		5382	var video = document.createElement(\"video\");\
		5383	video_div.appendChild(video);\
		5384	video.style.width = w+\"px\";\
		5385	video.style.height = h+\"px\";\
		5386	video.autobuffer = true;\
		5387	video.controls = true;video.autoplay = false;\
		5388	var src = document.createElement(\"source\");\
		5389	src.type = \"video/mp4\";\
		5390	src.src = URL;\
		5391	video.appendChild(src);\
		5392	video.load();\
		5393	return;\
8224	bpr	5394	};");
7614	schaersvoo	5395	break;
8224	bpr	5396
7614	schaersvoo	5397	case DRAW_AUDIO:/* not used for userdraw */
		5398	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5399	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5400	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5401	var audio_div = document.createElement(\"div\");\
		5402	canvas_div.appendChild(audio_div);\
		5403	audio_div.style.position = \"absolute\";\
		5404	audio_div.style.left = x+\"px\";\
		5405	audio_div.style.top = y+\"px\";\
		5406	audio_div.style.width = w+\"px\";\
		5407	audio_div.style.height = h+\"px\";\
		5408	var audio = document.createElement(\"audio\");\
		5409	audio_div.appendChild(audio);\
		5410	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5411	audio.autobuffer = true;\
		5412	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5413	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5414	var src1 = document.createElement(\"source\");\
		5415	src1.type = \"audio/ogg\";\
		5416	src1.src = URL1;\
		5417	audio.appendChild(src1);\
		5418	var src2 = document.createElement(\"source\");\
		5419	src2.type = \"audio/mpeg\";\
		5420	src2.src = URL2;\
		5421	audio.appendChild(src2);\
		5422	audio.load();\
		5423	return;\
7653	schaersvoo	5424	};");
7614	schaersvoo	5425	break;
8224	bpr	5426
7614	schaersvoo	5427	case DRAW_HTTP:/* not used for userdraw */
		5428	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5429	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5430	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5431	var http_div = document.createElement(\"div\");\
		5432	var iframe = document.createElement(\"iframe\");\
		5433	canvas_div.appendChild(http_div);\
		5434	http_div.appendChild(iframe);\
		5435	iframe.src = URL;\
		5436	iframe.setAttribute(\"width\",w);\
		5437	iframe.setAttribute(\"height\",h);\
		5438	return;\
7653	schaersvoo	5439	};");
7614	schaersvoo	5440	break;
8224	bpr	5441
7614	schaersvoo	5442	case DRAW_XML:
		5443	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5444	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5445	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5446	var xml_div = document.createElement(\"div\");\
		5447	canvas_div.appendChild(xml_div);\
		5448	xml_div.innerHTML = mathml;\
		5449	if(onclick != 0){\
		5450	xml_div.onclick = function(){\
		5451	reply[0] = onclick;\
		5452	alert(\"send \"+onclick+\" ?\");\
		5453	};\
		5454	};\
		5455	xml_div.style.position = \"absolute\";\
		5456	xml_div.style.left = x+\"px\";\
		5457	xml_div.style.top = y+\"px\";\
		5458	xml_div.style.width = w+\"px\";\
		5459	xml_div.style.height = h+\"px\";\
		5460	return;\
7653	schaersvoo	5461	};"
7614	schaersvoo	5462	);
		5463	break;
7654	schaersvoo	5464	case DRAW_SGRAPH:
8224	bpr	5465	/*
7654	schaersvoo	5466	xstart = given
		5467	ystart = given
		5468	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5469	*/
		5470	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5471	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5472	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);};\
		5473	var ctx = obj.getContext(\"2d\");\
		5474	ctx.font = fontfamily;\
		5475	var minor_opacity = 0.8*opacity;\
		5476	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5477	var zero_x = 0.1*xsize;\
		5478	var zero_y = 0.9*ysize;\
8129	schaersvoo	5479	var snor_x;var snor_y;\
7654	schaersvoo	5480	if( xstart != xmin){\
7658	schaersvoo	5481	snor_x = 0.1*xsize;\
		5482	}\
		5483	else\
		5484	{\
		5485	snor_x = 0;\
		5486	xstart = xmin;\
		5487	};\
		5488	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5489	ctx.lineWidth = 2;\
		5490	ctx.beginPath();\
		5491	ctx.moveTo(xsize,zero_y);\
		5492	ctx.lineTo(zero_x,zero_y);\
		5493	ctx.lineTo(zero_x,0);\
		5494	ctx.stroke();\
		5495	ctx.closePath();\
		5496	ctx.beginPath();\
		5497	ctx.moveTo(zero_x,zero_y);\
		5498	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5499	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5500	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5501	ctx.lineTo(zero_x + snor_x,zero_y);\
		5502	ctx.stroke();\
		5503	ctx.closePath();\
		5504	ctx.beginPath();\
		5505	var num = xstart;\
7660	schaersvoo	5506	var flipflop = 1;\
7658	schaersvoo	5507	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5508	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5509	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5510	txtsize = ctx.measureText(num).width;\
		5511	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5512	if( flipflop == 1){\
		5513	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5514	}\
		5515	else\
		5516	{\
		5517	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5518	}\
		5519	num = num + xmajor;\
7658	schaersvoo	5520	};\
		5521	ctx.stroke();\
		5522	ctx.closePath();\
		5523	ctx.lineWidth = 1;\
		5524	ctx.beginPath();\
		5525	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5526	ctx.moveTo(x,zero_y);\
		5527	ctx.lineTo(x,0);\
		5528	};\
		5529	ctx.stroke();\
		5530	ctx.closePath();\
		5531	if( xminor > 1){\
		5532	ctx.lineWidth = 0.5;\
		5533	ctx.beginPath();\
		5534	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5535	var minor_step_x = step_x / xminor;\
		5536	var nx;\
		5537	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5538	num = 1;\
		5539	for(var p = 1 ; p < xminor ; p++){\
		5540	nx = x + num*minor_step_x;\
		5541	ctx.moveTo(nx,zero_y);\
		5542	ctx.lineTo(nx,0);\
		5543	num++;\
		5544	};\
		5545	};\
		5546	ctx.stroke();\
		5547	ctx.closePath();\
		5548	ctx.beginPath();\
		5549	ctx.lineWidth = 2;\
		5550	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5551	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5552	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5553	};\
		5554	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5555	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5556	};\
		5557	ctx.stroke();\
		5558	ctx.closePath();\
		5559	ctx.lineWidth = 0.5;\
		5560	};\
		5561	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5562	if( ystart != ymin){\
		5563	snor_y = 0.1*ysize;\
		5564	}\
		5565	else\
		5566	{\
		5567	snor_y = 0;\
		5568	ystart = ymin;\
		5569	};\
		5570	ctx.lineWidth = 2;\
		5571	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5572	ctx.beginPath();\
		5573	ctx.moveTo(zero_x,zero_y);\
		5574	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5575	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5576	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5577	ctx.lineTo(zero_x,zero_y - snor_y);\
		5578	ctx.stroke();\
		5579	ctx.closePath();\
		5580	ctx.beginPath();\
		5581	ctx.lineWidth = 1;\
		5582	num = ystart;\
		5583	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5584	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5585	ctx.moveTo(zero_x,y);\
		5586	ctx.lineTo(xsize,y);\
		5587	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5588	num = num + ymajor;\
		5589	};\
		5590	ctx.stroke();\
		5591	ctx.closePath();\
		5592	if( yminor > 1){\
		5593	ctx.lineWidth = 0.5;\
		5594	ctx.beginPath();\
		5595	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5596	var minor_step_y = step_y / yminor;\
		5597	var ny;\
		5598	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5599	num = 1;\
		5600	for(var p = 1 ;p < yminor;p++){\
		5601	ny = y + num*minor_step_y;\
		5602	ctx.moveTo(zero_x,ny);\
		5603	ctx.lineTo(xsize,ny);\
		5604	num++;\
		5605	};\
		5606	};\
		5607	ctx.stroke();\
		5608	ctx.closePath();\
		5609	ctx.lineWidth = 2;\
		5610	ctx.beginPath();\
		5611	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5612	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5613	ctx.moveTo(zero_x,y);\
		5614	ctx.lineTo(zero_x+12,y);\
		5615	};\
		5616	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5617	ctx.moveTo(zero_x,y);\
		5618	ctx.lineTo(zero_x+6,y);\
		5619	};\
		5620	ctx.stroke();\
		5621	ctx.closePath();\
		5622	};\
		5623	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5624	if( typeof legend%d !== 'undefined' ){\
		5625	ctx.globalAlpha = 1.0;\
		5626	var y_offset = 2*font_size;\
		5627	var txt;var txt_size;\
		5628	var x_offset = xsize - 2*font_size;\
		5629	var l_length = legend%d.length;var barcolor = new Array();\
		5630	if( typeof legendcolors%d !== 'undefined' ){\
		5631	for(var p = 0 ; p < l_length ; p++){\
		5632	barcolor[p] = legendcolors%d[p];\
		5633	};\
		5634	}else{\
		5635	if( barcolor.length == 0 ){\
		5636	for(var p = 0 ; p < l_length ; p++){\
		5637	barcolor[p] = stroke_color;\
		5638	};\
		5639	};\
		5640	};\
		5641	for(var p = 0; p < l_length; p++){\
		5642	ctx.fillStyle = barcolor[p];\
		5643	txt = legend%d[p];\
		5644	txt_size = ctx.measureText(txt).width;\
		5645	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5646	y_offset = parseInt(y_offset + 1.5*font_size);\
		5647	};\
		5648	};\
7660	schaersvoo	5649	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5650	ctx.fillStyle = \'#000000\';\
		5651	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5652	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5653	};\
7660	schaersvoo	5654	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5655	ctx.save();\
		5656	ctx.fillStyle = \'#000000\';\
		5657	var txt_size = ctx.measureText(yaxislabel).width;\
		5658	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5659	ctx.rotate(-0.5*Math.PI);\
		5660	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5661	ctx.restore();\
7658	schaersvoo	5662	};\
7654	schaersvoo	5663	};\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);
		5664	break;
7614	schaersvoo	5665
		5666	case DRAW_GRID:/* not used for userdraw */
		5667	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5668	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	5669	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);};\
		5670	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5671	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5672	ctx.save();\
8071	schaersvoo	5673	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5674	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5675	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5676	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5677	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5678	ctx.font = font_family;\
7988	schaersvoo	5679	var barcolor = new Array();\
7614	schaersvoo	5680	var xstep = xsize*xmajor/(xmax - xmin);\
		5681	var ystep = ysize*ymajor/(ymax - ymin);\
		5682	var x2step = xstep / xminor;\
		5683	var y2step = ystep / yminor;\
7996	schaersvoo	5684	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5685	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5686	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5687	ctx.beginPath();\
		5688	ctx.lineWidth = line_width;\
		5689	ctx.strokeStyle = stroke_color;\
		5690	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5691	ctx.moveTo(p,0);\
		5692	ctx.lineTo(p,ysize);\
		5693	};\
		5694	for(var p = zero_x ; p > 0; p = p - xstep){\
		5695	ctx.moveTo(p,0);\
		5696	ctx.lineTo(p,ysize);\
		5697	};\
		5698	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5699	ctx.moveTo(0,p);\
		5700	ctx.lineTo(xsize,p);\
		5701	};\
		5702	for(var p = zero_y ; p > 0; p = p - ystep){\
		5703	ctx.moveTo(0,p);\
		5704	ctx.lineTo(xsize,p);\
		5705	};\
		5706	if( typeof xaxislabel !== 'undefined' ){\
		5707	ctx.save();\
		5708	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5709	var corr = ctx.measureText(xaxislabel).width;\
		5710	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5711	ctx.restore();\
		5712	};\
		5713	if( typeof yaxislabel !== 'undefined' ){\
		5714	ctx.save();\
		5715	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5716	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5717	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5718	ctx.rotate(-0.5*Math.PI);\
		5719	ctx.fillText(yaxislabel,0,0);\
		5720	ctx.restore();\
		5721	};\
		5722	ctx.stroke();\
		5723	ctx.closePath();\
		5724	if( use_axis == 1 ){\
7988	schaersvoo	5725	ctx.save();\
7614	schaersvoo	5726	ctx.beginPath();\
		5727	ctx.strokeStyle = stroke_color;\
		5728	ctx.lineWidth = 0.6*line_width;\
		5729	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5730	ctx.moveTo(p,0);\
		5731	ctx.lineTo(p,ysize);\
		5732	};\
		5733	for(var p = zero_x ; p > 0; p = p - x2step){\
		5734	ctx.moveTo(p,0);\
		5735	ctx.lineTo(p,ysize);\
		5736	};\
		5737	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5738	ctx.moveTo(0,p);\
		5739	ctx.lineTo(xsize,p);\
		5740	};\
		5741	for(var p = zero_y ; p > 0; p = p - y2step){\
		5742	ctx.moveTo(0,p);\
		5743	ctx.lineTo(xsize,p);\
		5744	};\
		5745	ctx.stroke();\
		5746	ctx.closePath();\
		5747	ctx.beginPath();\
		5748	ctx.lineWidth = 2*line_width;\
		5749	ctx.strokeStyle = axis_color;\
		5750	ctx.moveTo(0,zero_y);\
		5751	ctx.lineTo(xsize,zero_y);\
		5752	ctx.moveTo(zero_x,0);\
		5753	ctx.lineTo(zero_x,ysize);\
		5754	ctx.stroke();\
		5755	ctx.closePath();\
		5756	ctx.lineWidth = line_width+0.5;\
		5757	ctx.beginPath();\
		5758	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5759	ctx.moveTo(p,zero_y-tics_length);\
		5760	ctx.lineTo(p,zero_y+tics_length);\
		5761	};\
		5762	for(var p = zero_x ; p > 0; p = p - xstep){\
		5763	ctx.moveTo(p,zero_y-tics_length);\
		5764	ctx.lineTo(p,zero_y+tics_length);\
		5765	};\
		5766	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5767	ctx.moveTo(zero_x-tics_length,p);\
		5768	ctx.lineTo(zero_x+tics_length,p);\
		5769	};\
		5770	for(var p = zero_y ; p > 0; p = p - ystep){\
		5771	ctx.moveTo(zero_x-tics_length,p);\
		5772	ctx.lineTo(zero_x+tics_length,p);\
		5773	};\
		5774	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5775	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5776	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5777	};\
		5778	for(var p = zero_x ; p > 0; p = p - x2step){\
		5779	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5780	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5781	};\
		5782	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5783	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5784	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5785	};\
		5786	for(var p = zero_y ; p > 0; p = p - y2step){\
		5787	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5788	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5789	};\
		5790	ctx.stroke();\
		5791	ctx.closePath();\
7988	schaersvoo	5792	ctx.restore();\
		5793	};\
		5794	if( use_axis_numbering == 1 ){\
		5795	ctx.save();\
		5796	ctx.fillColor = axis_color;\
8110	schaersvoo	5797	ctx.strokeStyle = axis_color;\
		5798	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5799	ctx.font = font_family;\
		5800	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5801	if( x_strings != null ){\
		5802	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5803	ctx.beginPath();\
7988	schaersvoo	5804	for(var p = 0 ; p < len ; p = p+2){\
		5805	var x_nums = x2px(eval(x_strings[p]));\
		5806	var x_text = x_strings[p+1];\
		5807	corr = ctx.measureText(x_text).width;\
		5808	skip = 1.2*corr/xstep;\
		5809	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5810	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5811	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5812	ctx.moveTo(x_nums,zero_y - tics_length);\
		5813	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	5814	};\
8110	schaersvoo	5815	ctx.closePath();\
7988	schaersvoo	5816	}\
		5817	else\
		5818	{\
		5819	skip = 1;cnt = px2x(zero_x);\
		5820	prec = Math.log(precision)/(Math.log(10));\
		5821	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		5822	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		5823	if(skip == 0 ){\
7990	schaersvoo	5824	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5825	corr = ctx.measureText(disp_cnt).width;\
		5826	skip = parseInt(1.2*corr/xstep);\
		5827	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5828	}\
7988	schaersvoo	5829	else\
		5830	{\
		5831	skip--;\
7614	schaersvoo	5832	};\
7988	schaersvoo	5833	cnt = cnt + xmajor;\
7614	schaersvoo	5834	};\
7988	schaersvoo	5835	cnt = px2x(zero_x);skip = 1;\
		5836	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		5837	if(skip == 0 ){\
7990	schaersvoo	5838	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5839	corr = ctx.measureText(disp_cnt).width;\
		5840	skip = parseInt(1.2*corr/xstep);\
		5841	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		5842	}\
		5843	else\
		5844	{\
		5845	skip--;\
7614	schaersvoo	5846	};\
7988	schaersvoo	5847	cnt = cnt - xmajor;\
7614	schaersvoo	5848	};\
		5849	};\
7988	schaersvoo	5850	if( y_strings != null ){\
		5851	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5852	ctx.beginPath();\
7988	schaersvoo	5853	for(var p = 0 ; p < len ; p = p+2){\
		5854	var y_nums = y2px(eval(y_strings[p]));\
		5855	var y_text = y_strings[p+1];\
		5856	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5857	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	5858	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		5859	ctx.moveTo(zero_x - tics_length,y_nums);\
		5860	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	5861	};\
8110	schaersvoo	5862	ctx.closePath();\
7988	schaersvoo	5863	}\
		5864	else\
		5865	{\
7991	schaersvoo	5866	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5867	cnt = px2y(zero_y);skip = 1;\
		5868	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		5869	if(skip == 0 ){\
		5870	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5871	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5872	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5873	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5874	}\
		5875	else\
		5876	{\
		5877	skip--;\
		5878	};\
		5879	cnt = cnt - ymajor;\
7614	schaersvoo	5880	};\
7988	schaersvoo	5881	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	5882	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5883	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		5884	if(skip == 0 ){\
		5885	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5886	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5887	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5888	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5889	}\
		5890	else\
		5891	{\
		5892	skip--;\
		5893	};\
		5894	cnt = cnt + ymajor;\
7614	schaersvoo	5895	};\
		5896	};\
7988	schaersvoo	5897	ctx.stroke();\
7614	schaersvoo	5898	ctx.restore();\
		5899	};\
7956	schaersvoo	5900	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	5901	ctx.save();\
7614	schaersvoo	5902	ctx.globalAlpha = 1.0;\
		5903	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5904	var y_offset = 2*font_size;\
		5905	var txt;var txt_size;\
		5906	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	5907	var l_length = legend0.length;\
		5908	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	5909	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	5910	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	5911	};\
7988	schaersvoo	5912	}\
		5913	else\
		5914	{\
7614	schaersvoo	5915	if( barcolor.length == 0 ){\
		5916	for(var p = 0 ; p < l_length ; p++){\
		5917	barcolor[p] = stroke_color;\
		5918	};\
		5919	};\
		5920	};\
		5921	for(var p = 0; p < l_length; p++){\
		5922	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	5923	txt = legend0[p];\
7614	schaersvoo	5924	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	5925	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	5926	y_offset = parseInt(y_offset + 1.5*font_size);\
		5927	};\
7988	schaersvoo	5928	ctx.restore();\
7614	schaersvoo	5929	};\
7991	schaersvoo	5930	if( typeof barchart_0 !== 'undefined' ){\
		5931	ctx.save();\
		5932	var num_barcharts = 0;\
		5933	var bar_name = eval('barchart_0');\
		5934	while( typeof bar_name !== 'undefined' ){\
		5935	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		5936	};\
		5937	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		5938	for(var i=0 ; i< num_barcharts ; i++){\
		5939	bar_name = eval('barchart_'+i);\
		5940	var bar_x = new Array();\
		5941	var bar_y = new Array();\
		5942	var lb = bar_name.length;\
		5943	var idx = 0;\
		5944	var dx = parseInt(0.5ibar_width);\
		5945	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5946	bar_x[idx] = x2px(bar_name[p]);\
		5947	bar_y[idx] = y2px(bar_name[p+1]);\
		5948	barcolor[idx] = bar_name[p+2];\
		5949	idx++;\
		5950	};\
		5951	ctx.globalAlpha = fill_opacity;\
		5952	ctx.beginPath();\
		5953	for( var p = 0; p < idx ; p++ ){\
		5954	ctx.strokeStyle = barcolor[p];\
		5955	ctx.fillStyle = barcolor[p];\
		5956	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		5957	};\
		5958	ctx.fill();\
		5959	ctx.stroke();\
		5960	ctx.closePath();\
		5961	};\
		5962	ctx.restore();\
		5963	};\
7996	schaersvoo	5964	if( typeof linegraph_0 !== 'undefined' ){\
		5965	ctx.save();\
		5966	ctx.globalAlpha = 1.0;\
		5967	var i = 0;\
		5968	var line_name = eval('linegraph_'+i);\
		5969	while ( typeof line_name !== 'undefined' ){\
		5970	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5971	ctx.lineWidth = parseInt(line_name[1]);\
		5972	if(line_name[2] == \"1\"){\
		5973	var d1 = parseInt(line_name[3]);\
		5974	var d2 = parseInt(line_name[4]);\
		5975	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		5976	}\
		5977	else\
		5978	{\
		5979	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5980	if(ctx.mozDash){ctx.mozDash = null;}\
		5981	};\
		5982	var data_x = new Array();\
		5983	var data_y = new Array();\
		5984	var lb = line_name.length;\
		5985	var idx = 0;\
		5986	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5987	data_x[idx] = x2px(line_name[p]);\
		5988	data_y[idx] = y2px(line_name[p+1]);\
		5989	idx++;\
		5990	};\
		5991	for( var p = 0; p < idx ; p++){\
		5992	ctx.beginPath();\
		5993	ctx.moveTo(data_x[p],data_y[p]);\
		5994	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5995	ctx.stroke();\
		5996	ctx.closePath();\
		5997	};\
		5998	i++;\
		5999	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		6000	};\
		6001	ctx.restore();\
		6002	};\
7614	schaersvoo	6003	return;\
7989	schaersvoo	6004	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6005	break;
8224	bpr	6006
7614	schaersvoo	6007	case DRAW_PIECHART:
7987	schaersvoo	6008	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	6009	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	6010	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6011	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6012	}\
		6013	else\
		6014	{\
		6015	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6016	};\
		6017	var ld = data_color_list.length;\
		6018	var sum = 0;\
		6019	var idx = 0;\
7956	schaersvoo	6020	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	6021	var colors = new Array();\
		6022	var data = new Array();\
		6023	for(var p = 0;p < ld; p = p + 2){\
		6024	data[idx] = parseFloat(data_color_list[p]);\
		6025	sum = sum + data[idx];\
		6026	colors[idx] = data_color_list[p+1];\
		6027	idx++;\
		6028	};\
		6029	var ctx = obj.getContext(\"2d\");\
		6030	ctx.save();\
		6031	var angle;\
		6032	var angle_end = 0;\
		6033	var offset = Math.PI / 2;\
		6034	ctx.globalAlpha = fill_opacity;\
		6035	for(var p=0; p < idx; p++){\
		6036	ctx.beginPath();\
		6037	ctx.fillStyle = colors[p];\
		6038	ctx.moveTo(x_center,y_center);\
		6039	angle = Math.PI * (2 * data[p] / sum);\
		6040	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		6041	ctx.lineTo(x_center, y_center);\
		6042	ctx.fill();\
		6043	ctx.closePath();\
		6044	angle_end = angle_end + angle;\
		6045	};\
7956	schaersvoo	6046	if(typeof legend0 !== 'undefined'){\
		6047	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	6048	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6049	ctx.font = font_family;\
7614	schaersvoo	6050	var y_offset = font_size; \
		6051	var x_offset = 0;\
		6052	var txt;var txt_size;\
		6053	for(var p = 0; p < idx; p++){\
		6054	ctx.fillStyle = colors[p];\
7956	schaersvoo	6055	txt = legenda[p];\
7614	schaersvoo	6056	txt_size = ctx.measureText(txt).width;\
		6057	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6058	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6059	y_offset = parseInt(y_offset + 1.5*font_size);\
		6060	};\
		6061	};\
		6062	ctx.restore();\
7956	schaersvoo	6063	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6064
7614	schaersvoo	6065	break;
		6066	case DRAW_ARCS:
		6067	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6068	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	6069	ctx.save();\
		6070	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6071	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6072	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6073	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6074	start = 360 - start;\
		6075	end = 360 - end;\
7614	schaersvoo	6076	ctx.lineWidth = line_width;\
		6077	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6078	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6079	ctx.beginPath();\
		6080	ctx.moveTo(xc,yc);\
		6081	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6082	ctx.lineTo(xc,yc);\
		6083	ctx.closePath();\
7614	schaersvoo	6084	if( use_filled == 1 ){\
		6085	ctx.fill();\
8071	schaersvoo	6086	};\
		6087	ctx.stroke();\
7614	schaersvoo	6088	ctx.restore();\
8071	schaersvoo	6089	};");
8224	bpr	6090
7614	schaersvoo	6091	break;
7983	schaersvoo	6092	case DRAW_CENTERSTRING:
		6093	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6094	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6095	var obj;\
		6096	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6097	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6098	}\
		6099	else\
		6100	{\
		6101	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6102	};\
		6103	var ctx = obj.getContext(\"2d\");\
		6104	ctx.save();\
		6105	ctx.font = font_family;\
		6106	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6107	var stringwidth = ctx.measureText(text).width;\
		6108	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6109	ctx.fillText(text,x,y2px(y));\
		6110	return;\
		6111	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6112	break;
7614	schaersvoo	6113	case DRAW_TEXTS:
		6114	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6115	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	6116	var obj;\
		6117	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6118	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6119	}\
		6120	else\
		6121	{\
		6122	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6123	};\
		6124	var ctx = obj.getContext(\"2d\");\
		6125	if(angle2 == 0 && angle != 0){\
		6126	ctx.save();\
8071	schaersvoo	6127	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6128	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6129	};\
		6130	if( font_family.indexOf('px') != null ){\
		6131	ctx.font = font_family;\
		6132	}\
		6133	else\
		6134	{\
7956	schaersvoo	6135	ctx.font = font_family;\
7614	schaersvoo	6136	};\
		6137	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6138	if(angle2 != 0){\
		6139	ctx.save();\
		6140	ctx.translate(x,y);\
		6141	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6142	ctx.fillText(text,0,0);\
		6143	ctx.restore();\
		6144	}else{ctx.fillText(text,x,y);};\
		6145	ctx.restore();\
		6146	return;\
7653	schaersvoo	6147	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6148	break;
		6149	case DRAW_CURVE:
		6150	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6151	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	6152	var obj;\
		6153	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6154	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6155	}\
		6156	else\
		6157	{\
		6158	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6159	};\
		6160	var ctx = obj.getContext(\"2d\");\
		6161	ctx.save();\
8071	schaersvoo	6162	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6163	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6164	ctx.beginPath();ctx.lineWidth = line_width;\
		6165	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6166	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6167	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6168	for(var p = 1 ; p < x_points.length ; p++){\
		6169	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6170	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6171	}\
		6172	else\
		6173	{\
		6174	ctx.stroke();\
		6175	ctx.beginPath();\
		6176	p++;\
		6177	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6178	};\
		6179	};\
		6180	ctx.stroke();\
		6181	ctx.restore();\
7653	schaersvoo	6182	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6183	break;
8224	bpr	6184
7614	schaersvoo	6185	case DRAW_INPUTS:
		6186	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6187	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6188	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6189	var input = document.createElement(\"input\");\
		6190	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6191	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6192	input.setAttribute(\"size\",size);\
		6193	input.setAttribute(\"value\",value);\
7877	schaersvoo	6194	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6195	canvas_div.appendChild(input);};");
7614	schaersvoo	6196	break;
8224	bpr	6197
7614	schaersvoo	6198	case DRAW_TEXTAREAS:
		6199	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6200	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6201	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6202	var textarea = document.createElement(\"textarea\");\
		6203	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6204	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6205	textarea.setAttribute(\"cols\",cols);\
		6206	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6207	textarea.value = value;\
		6208	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6209	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6210	break;
8224	bpr	6211
7614	schaersvoo	6212	case DRAW_PIXELS:
		6213	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6214	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6215	var canvas = create_canvas%d(10,xsize,ysize);\
		6216	var d = 0.5*pixelsize;\
		6217	var ctx = canvas.getContext(\"2d\");\
		6218	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6219	ctx.clearRect(0,0,xsize,ysize);\
		6220	for(var p=0; p<x.length;p++){\
		6221	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6222	};\
		6223	ctx.fill();ctx.stroke();\
		6224	};",canvas_root_id);
		6225	break;
		6226
		6227	case DRAW_CLOCK:
		6228	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6229	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6230	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6231	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6232	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6233	clock_ctx.save();\
7997	schaersvoo	6234	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6235	this.type = type \|\| 0;\
		6236	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6237	this.H = H;\
		6238	this.M = M;\
		6239	this.S = S;\
8000	schaersvoo	6240	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6241	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6242	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6243	this.xc = xc \|\| xsize/2;\
		6244	this.yc = yc \|\| ysize/2;\
		6245	this.radius = radius \|\| xsize/4;\
		6246	var font_size = parseInt(0.2*this.radius);\
		6247	this.H_color = h_color \|\| \"blue\";\
		6248	this.M_color = m_color \|\| \"blue\";\
		6249	this.S_color = s_color \|\| \"blue\";\
		6250	this.fg_color = fg_color \|\| \"red\";\
		6251	this.bg_color = bg_color \|\| \"white\";\
		6252	clock_ctx.translate(this.xc,this.yc);\
		6253	clock_ctx.beginPath();\
		6254	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6255	clock_ctx.fillStyle = this.bg_color;\
		6256	clock_ctx.fill();\
		6257	clock_ctx.closePath();\
		6258	clock_ctx.beginPath();\
		6259	clock_ctx.font = font_size+\"px Arial\";\
		6260	clock_ctx.fillStyle = this.fg_color;\
		6261	clock_ctx.textAlign = \"center\";\
		6262	clock_ctx.textBaseline = 'middle';\
		6263	var angle;var x1,y1,x2,y2;\
		6264	var angle_cos;var angle_sin;\
7997	schaersvoo	6265	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6266	switch(type){\
		6267	case 0:clock_ctx.beginPath();\
		6268	for(var p = 1; p <= 12 ; p++){\
		6269	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6270	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6271	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6272	clock_ctx.moveTo(x1,y1);\
		6273	clock_ctx.lineTo(x2,y2);\
		6274	};\
		6275	for(var p = 1; p <= 60 ; p++){\
		6276	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6277	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6278	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6279	clock_ctx.moveTo(x1,y1);\
		6280	clock_ctx.lineTo(x2,y2);\
		6281	};\
		6282	clock_ctx.closePath();\
		6283	clock_ctx.stroke();\
		6284	break;\
		6285	case 1:\
		6286	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	6287	case 2:\
		6288	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	6289	clock_ctx.beginPath();\
		6290	for(var p = 1; p <= 12 ; p++){\
		6291	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6292	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6293	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6294	clock_ctx.moveTo(x1,y1);\
		6295	clock_ctx.lineTo(x2,y2);\
		6296	};\
		6297	for(var p = 1; p <= 60 ; p++){\
		6298	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6299	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6300	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6301	clock_ctx.moveTo(x1,y1);\
		6302	clock_ctx.lineTo(x2,y2);\
		6303	};\
		6304	clock_ctx.closePath();\
		6305	clock_ctx.stroke();\
		6306	break;\
		6307	};\
		6308	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6309	clock_ctx.rotate(angle);\
		6310	clock_ctx.beginPath();\
		6311	clock_ctx.moveTo(-3, -2);\
		6312	clock_ctx.lineTo(-3, 2);\
		6313	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6314	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6315	clock_ctx.fillStyle = this.H_color;\
		6316	clock_ctx.fill();\
		6317	clock_ctx.rotate(-angle);\
		6318	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6319	clock_ctx.rotate(angle);\
		6320	clock_ctx.beginPath();\
		6321	clock_ctx.moveTo(-3, -2);\
		6322	clock_ctx.lineTo(-3, 2);\
		6323	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6324	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6325	clock_ctx.fillStyle = this.M_color;\
		6326	clock_ctx.fill();\
		6327	clock_ctx.rotate(-angle);\
		6328	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6329	clock_ctx.rotate(angle);\
		6330	clock_ctx.beginPath();\
		6331	clock_ctx.moveTo(0,0);\
		6332	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6333	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6334	clock_ctx.strokeStyle = this.S_color;\
		6335	clock_ctx.stroke();\
		6336	clock_ctx.restore();\
7653	schaersvoo	6337	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6338	break;
		6339
		6340	case DRAW_LATTICE:
		6341	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6342	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	6343	var obj;\
		6344	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6345	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6346	}\
		6347	else\
		6348	{\
		6349	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6350	};\
		6351	var ctx = obj.getContext(\"2d\");\
		6352	ctx.save();\
8071	schaersvoo	6353	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6354	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6355	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6356	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6357	var radius = line_width;\
		6358	var x = 0;\
		6359	var y = 0;\
		6360	var x_step_px = xsize/(xmax-xmin);\
		6361	var y_step_px = ysize/(ymax-ymin);\
		6362	var xv1 = dx1*x_step_px;\
		6363	var yv1 = dy1*y_step_px;\
		6364	var xv2 = dx2*x_step_px;\
		6365	var yv2 = dy2*y_step_px;\
		6366	for(var p = 0; p < n1 ;p++){\
		6367	x = p*xv1 + x0;\
		6368	y = p*yv1 + y0;\
		6369	for(var c = 0; c < n2 ; c++){\
		6370	ctx.beginPath();\
		6371	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6372	ctx.fill();\
		6373	ctx.stroke();\
		6374	ctx.closePath();\
		6375	};\
		6376	};\
		6377	ctx.restore();\
		6378	return;\
7653	schaersvoo	6379	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6380	break;
7735	schaersvoo	6381	case DRAW_XYLOGSCALE:
		6382	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6383	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	6384	var obj;\
		6385	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6386	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6387	}\
		6388	else\
		6389	{\
		6390	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6391	};\
		6392	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6393	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6394	ctx.save();\
7739	schaersvoo	6395	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6396	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6397	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6398	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6399	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6400	if(use_axis_numbering == 1){\
7956	schaersvoo	6401	ctx.font = font_family;\
		6402	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6403	ymarge = parseInt(1.5*font_size);\
		6404	ctx.save();\
		6405	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6406	ctx.rect(0,0,xmarge,ysize);\
		6407	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6408	ctx.fill();\
		6409	ctx.restore();\
		6410	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6411	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6412	ctx.save();\
		6413	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6414	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6415	corr = ctx.measureText(xaxislabel).width;\
		6416	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6417	ctx.restore();\
		6418	};\
7735	schaersvoo	6419	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6420	ctx.save();\
		6421	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6422	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6423	corr = ctx.measureText(yaxislabel).width;\
		6424	ctx.translate(xmarge+font_size,corr+font_size);\
		6425	ctx.rotate(-0.5*Math.PI);\
		6426	ctx.fillText(yaxislabel,0,0);\
		6427	ctx.restore();\
		6428	};\
		6429	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6430	ctx.lineWidth = line_width;\
		6431	for(var p = x_min; p <= x_max ; p++){\
		6432	num = Math.pow(xlogbase,p);\
		6433	for(var i = 1 ; i < xlogbase ; i++){\
		6434	x_e = x2px(i*num);\
7735	schaersvoo	6435	if( i == 1 ){\
7956	schaersvoo	6436	ctx.lineWidth = line_width;\
		6437	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6438	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6439	xtxt = xlogbase+'^'+p.toFixed(0);\
		6440	corr = 0.5*(ctx.measureText(xtxt).width);\
		6441	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6442	};\
7735	schaersvoo	6443	}else{\
7956	schaersvoo	6444	ctx.lineWidth = 0.2*line_width;\
		6445	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6446	};\
7738	schaersvoo	6447	if( x_e >= xmarge ){\
7956	schaersvoo	6448	ctx.beginPath();\
		6449	ctx.moveTo(x_e,0);\
		6450	ctx.lineTo(x_e,ysize - ymarge);\
		6451	ctx.stroke();\
		6452	ctx.closePath();\
7738	schaersvoo	6453	};\
7956	schaersvoo	6454	};\
		6455	};\
		6456	for(var p = y_min; p <= y_max ; p++){\
		6457	num = Math.pow(ylogbase,p);\
		6458	for(var i = 1 ; i < ylogbase ; i++){\
		6459	y_e = y2px(i*num);\
		6460	if( i == 1 ){\
		6461	ctx.lineWidth = line_width;\
7735	schaersvoo	6462	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6463	if( use_axis_numbering == 1 && p > y_min){\
		6464	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6465	};\
		6466	}else{\
		6467	ctx.lineWidth = 0.2*line_width;\
		6468	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6469	};\
		6470	ctx.beginPath();\
		6471	ctx.moveTo(xmarge,y_e);\
		6472	ctx.lineTo(xsize,y_e);\
		6473	ctx.stroke();\
		6474	ctx.closePath();\
		6475	};\
		6476	};\
7735	schaersvoo	6477	ctx.restore();\
		6478	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6479	break;
7614	schaersvoo	6480
7735	schaersvoo	6481	case DRAW_XLOGSCALE:
		6482	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6483	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	6484	var obj;\
		6485	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6486	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6487	}\
		6488	else\
		6489	{\
		6490	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6491	};\
		6492	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6493	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6494	ctx.save();\
		6495	ctx.lineWidth = line_width;\
7739	schaersvoo	6496	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6497	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6498	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6499	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6500	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6501	if(use_axis_numbering == 1){\
7956	schaersvoo	6502	ctx.font = font_family;\
		6503	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6504	ymarge = parseInt(1.5*font_size);\
		6505	ctx.save();\
		6506	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6507	ctx.rect(0,0,xmarge,ysize);\
		6508	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6509	ctx.fill();\
		6510	ctx.restore();\
		6511	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6512	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6513	ctx.save();\
		6514	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6515	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6516	corr = ctx.measureText(xaxislabel).width;\
		6517	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6518	ctx.restore();\
		6519	};\
7739	schaersvoo	6520	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6521	ctx.save();\
		6522	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6523	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6524	corr = ctx.measureText(yaxislabel).width;\
		6525	ctx.translate(xmarge+font_size,corr+font_size);\
		6526	ctx.rotate(-0.5*Math.PI);\
		6527	ctx.fillText(yaxislabel,0,0);\
		6528	ctx.restore();\
		6529	};\
		6530	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6531	ctx.lineWidth = line_width;\
		6532	for(var p = x_min; p <= x_max ; p++){\
		6533	num = Math.pow(xlogbase,p);\
		6534	for(var i = 1 ; i < xlogbase ; i++){\
		6535	x_e = x2px(i*num);\
7735	schaersvoo	6536	if( i == 1 ){\
7956	schaersvoo	6537	ctx.lineWidth = line_width;\
7739	schaersvoo	6538	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6539	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6540	xtxt = xlogbase+'^'+p.toFixed(0);\
		6541	corr = 0.5*(ctx.measureText(xtxt).width);\
		6542	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6543	};\
		6544	}else{\
7956	schaersvoo	6545	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6546	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6547	};\
7739	schaersvoo	6548	if( x_e >= xmarge ){\
7956	schaersvoo	6549	ctx.beginPath();\
		6550	ctx.moveTo(x_e,0);\
		6551	ctx.lineTo(x_e,ysize - ymarge);\
		6552	ctx.stroke();\
		6553	ctx.closePath();\
7739	schaersvoo	6554	};\
		6555	};\
7956	schaersvoo	6556	};\
7735	schaersvoo	6557	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6558	var minor_step = stepy / yminor;\
7749	schaersvoo	6559	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6560	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6561	ctx.lineWidth = line_width;\
		6562	ctx.beginPath();\
		6563	ctx.moveTo(xmarge,y);\
		6564	ctx.lineTo(xsize,y);\
		6565	ctx.stroke();\
		6566	ctx.closePath();\
7735	schaersvoo	6567	if( use_axis_numbering == 1){\
		6568	ytxt = (px2y(y)).toFixed(prec);\
		6569	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6570	};\
		6571	for(var dy = 1 ; dy < yminor ; dy++){\
		6572	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6573	ctx.lineWidth = 0.2*line_width;\
		6574	ctx.beginPath();\
7739	schaersvoo	6575	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6576	ctx.lineTo(xsize,y+dy*minor_step);\
		6577	ctx.stroke();\
		6578	ctx.closePath();\
7735	schaersvoo	6579	};\
		6580	};\
7956	schaersvoo	6581	ctx.restore();\
		6582	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6583	break;
7729	schaersvoo	6584	case DRAW_YLOGSCALE:
		6585	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6586	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	6587	var obj;\
		6588	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6589	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6590	}\
		6591	else\
		6592	{\
		6593	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6594	};\
		6595	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6596	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6597	ctx.save();\
		6598	ctx.lineWidth = line_width;\
7735	schaersvoo	6599	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6600	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6601	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6602	if(use_axis_numbering == 1){\
7956	schaersvoo	6603	ctx.font = font_family;\
		6604	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6605	ymarge = 2*font_size;\
		6606	ctx.save();\
		6607	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6608	ctx.rect(0,0,xmarge,ysize);\
		6609	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6610	ctx.fill();\
		6611	ctx.restore();\
		6612	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6613	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6614	ctx.save();\
		6615	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6616	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6617	corr = ctx.measureText(xaxislabel).width;\
		6618	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6619	ctx.restore();\
		6620	};\
7739	schaersvoo	6621	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6622	ctx.save();\
		6623	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6624	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6625	corr = ctx.measureText(yaxislabel).width;\
		6626	ctx.translate(xmarge+font_size,corr+font_size);\
		6627	ctx.rotate(-0.5*Math.PI);\
		6628	ctx.fillText(yaxislabel,0,0);\
		6629	ctx.restore();\
		6630	};\
		6631	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6632	ctx.lineWidth = line_width;\
		6633	for(var p = y_min; p <= y_max ; p++){\
		6634	num = Math.pow(ylogbase,p);\
		6635	for(var i = 1 ; i < ylogbase ; i++){\
		6636	y_e = y2px(i*num);\
7729	schaersvoo	6637	if( i == 1 ){\
7956	schaersvoo	6638	ctx.lineWidth = line_width;\
7729	schaersvoo	6639	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6640	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6641	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6642	};\
		6643	}else{\
7956	schaersvoo	6644	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6645	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6646	};\
7956	schaersvoo	6647	ctx.beginPath();\
		6648	ctx.moveTo(xmarge,y_e);\
		6649	ctx.lineTo(xsize,y_e);\
		6650	ctx.stroke();\
		6651	ctx.closePath();\
		6652	};\
		6653	};\
7729	schaersvoo	6654	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6655	var minor_step = stepx / xminor;\
		6656	var prec = Math.log(precision)/Math.log(10);\
		6657	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6658	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6659	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6660	ctx.lineWidth = line_width;\
		6661	ctx.beginPath();\
		6662	ctx.moveTo(x,ysize-ymarge);\
		6663	ctx.lineTo(x,0);\
		6664	ctx.stroke();\
		6665	ctx.closePath();\
7729	schaersvoo	6666	if( use_axis_numbering == 1){\
		6667	xtxt = (px2x(x)).toFixed(prec);\
		6668	corr = 0.5*(ctx.measureText(xtxt).width);\
		6669	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6670	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6671	};\
		6672	for(var dx = 1 ; dx < xminor ; dx++){\
		6673	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6674	ctx.lineWidth = 0.2*line_width;\
		6675	ctx.beginPath();\
7739	schaersvoo	6676	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6677	ctx.lineTo(x+dx*minor_step,0);\
		6678	ctx.stroke();\
		6679	ctx.closePath();\
7735	schaersvoo	6680	};\
		6681	};\
7956	schaersvoo	6682	ctx.restore();\
		6683	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6684	break;
7614	schaersvoo	6685	default:break;
		6686	}
		6687	}
		6688	}
		6689	return;
		6690	}
		6691
		6692	void check_string_length(int L){
		6693	if(L<1 \|\| L > MAX_BUFFER-1){
		6694	canvas_error("problem with your arguments to command...");
		6695	}
		6696	return;
		6697	}
		6698
		6699
		6700	int get_token(FILE *infile){
		6701	int c,i=0;
		6702	char temp[MAX_INT], *input_type;
		6703	char *line="line",
		6704	*audio="audio",
		6705	*blink="blink",
		6706	*arrowhead="arrowhead",
		6707	*crosshairsize="crosshairsize",
		6708	*crosshair="crosshair",
		6709	*crosshairs="crosshairs",
		6710	*audioobject="audioobject",
		6711	*style="style",
		6712	*mouse="mouse",
7991	schaersvoo	6713	*mousex="mousex",
		6714	*mousey="mousey",
8071	schaersvoo	6715	*mouse_display="display",
		6716	*mouse_degree="mouse_degree",
7614	schaersvoo	6717	*userdraw="userdraw",
		6718	*highlight="highlight",
		6719	*http="http",
		6720	*rays="rays",
		6721	*dashtype="dashtype",
		6722	*dashed="dashed",
		6723	*filled="filled",
		6724	*lattice="lattice",
		6725	*parallel="parallel",
		6726	*segment="segment",
8299	schaersvoo	6727	*segments="segments",
7614	schaersvoo	6728	*dsegment="dsegment",
		6729	*seg="seg",
		6730	*bgimage="bgimage",
		6731	*bgcolor="bgcolor",
		6732	*strokecolor="strokecolor",
		6733	*backgroundimage="backgroundimage",
		6734	*text="text",
		6735	*textup="textup",
		6736	*mouseprecision="mouseprecision",
		6737	*precision="precision",
		6738	*plotsteps="plotsteps",
		6739	*plotstep="plotstep",
		6740	*tsteps="tsteps",
		6741	*curve="curve",
		6742	*dcurve="dcurve",
		6743	*plot="plot",
		6744	*dplot="dplot",
7788	schaersvoo	6745	*levelcurve="levelcurve",
7614	schaersvoo	6746	*fontsize="fontsize",
		6747	*fontcolor="fontcolor",
		6748	*axis="axis",
		6749	*axisnumbering="axisnumbering",
		6750	*axisnumbers="axisnumbers",
		6751	*arrow="arrow",
		6752	*darrow="darrow",
		6753	*arrow2="arrow2",
		6754	*darrow2="darrow2",
		6755	*zoom="zoom",
		6756	*grid="grid",
		6757	*hline="hline",
7786	schaersvoo	6758	*dhline="dhline",
7614	schaersvoo	6759	*drag="drag",
		6760	*horizontalline="horizontalline",
		6761	*vline="vline",
7786	schaersvoo	6762	*dvline="dvline",
7614	schaersvoo	6763	*verticalline="verticalline",
		6764	*triangle="triangle",
		6765	*ftriangle="ftriangle",
		6766	*mathml="mathml",
		6767	*html="html",
		6768	*input="input",
8146	schaersvoo	6769	*clearbutton="clearbutton",
7614	schaersvoo	6770	*inputstyle="inputstyle",
		6771	*textarea="textarea",
		6772	*trange="trange",
		6773	*ranget="ranget",
		6774	*xrange="xrange",
		6775	*yrange="yrange",
		6776	*rangex="rangex",
		6777	*rangey="rangey",
		6778	*polyline="polyline",
		6779	*lines="lines",
		6780	*poly="poly",
		6781	*polygon="polygon",
		6782	*fpolygon="fpolygon",
		6783	*fpoly="fpoly",
		6784	*filledpoly="filledpoly",
		6785	*filledpolygon="filledpolygon",
		6786	*rect="rect",
		6787	*frect="frect",
		6788	*rectangle="rectangle",
		6789	*frectangle="frectangle",
		6790	*square="square",
		6791	*fsquare="fsquare",
		6792	*dline="dline",
		6793	*arc="arc",
		6794	*filledarc="filledarc",
		6795	*size="size",
		6796	*string="string",
		6797	*stringup="stringup",
		6798	*copy="copy",
		6799	*copyresized="copyresized",
		6800	*opacity="opacity",
		6801	*transparent="transparent",
		6802	*fill="fill",
		6803	*point="point",
		6804	*points="points",
		6805	*linewidth="linewidth",
		6806	*circle="circle",
		6807	*fcircle="fcircle",
		6808	*disk="disk",
		6809	*comment="#",
		6810	*end="end",
		6811	*ellipse="ellipse",
		6812	*fellipse="fellipse",
		6813	*rotate="rotate",
7785	schaersvoo	6814	*affine="affine",
		6815	*killaffine="killaffine",
7614	schaersvoo	6816	*fontfamily="fontfamily",
		6817	*fillcolor="fillcolor",
		6818	*clicktile="clicktile",
		6819	*clicktile_colors="clicktile_colors",
		6820	*translation="translation",
		6821	*translate="translate",
		6822	*killtranslation="killtranslation",
		6823	*killtranslate="killtranslate",
		6824	*onclick="onclick",
		6825	*roundrect="roundrect",
		6826	*froundrect="froundrect",
		6827	*roundrectangle="roundrectangle",
		6828	*patternfill="patternfill",
		6829	*hatchfill="hatchfill",
		6830	*diafill="diafill",
7647	schaersvoo	6831	*diamondfill="diamondfill",
7614	schaersvoo	6832	*dotfill="dotfill",
		6833	*gridfill="gridfill",
		6834	*imagefill="imagefill",
7735	schaersvoo	6835	*xlogbase="xlogbase",
		6836	*ylogbase="ylogbase",
7614	schaersvoo	6837	*xlogscale="xlogscale",
		6838	*ylogscale="ylogscale",
		6839	*xylogscale="xylogscale",
		6840	*intooltip="intooltip",
		6841	*replyformat="replyformat",
		6842	*floodfill="floodfill",
		6843	*filltoborder="filltoborder",
		6844	*clickfill="clickfill",
		6845	*setpixel="setpixel",
		6846	*pixels="pixels",
		6847	*pixelsize="pixelsize",
		6848	*clickfillmarge="clickfillmarge",
		6849	*xaxis="xaxis",
		6850	*yaxis="yaxis",
		6851	*xaxistext="xaxistext",
		6852	*yaxistext="yaxistext",
		6853	*piechart="piechart",
		6854	*legend="legend",
		6855	*legendcolors="legendcolors",
		6856	*xlabel="xlabel",
		6857	*ylabel="ylabel",
		6858	*barchart="barchart",
		6859	*linegraph="linegraph",
		6860	*clock="clock",
		6861	*animate="animate",
		6862	*video="video",
		6863	*status="status",
7877	schaersvoo	6864	*nostatus="nostatus",
7652	schaersvoo	6865	*snaptogrid="snaptogrid",
7784	schaersvoo	6866	*xsnaptogrid="xsnaptogrid",
		6867	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6868	*userinput_xy="userinput_xy",
8193	schaersvoo	6869	*userinput_function="userinput_function",
7663	schaersvoo	6870	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	6871	*userinput="userinput",
7823	schaersvoo	6872	*jsmath="jsmath",
7858	schaersvoo	6873	*trace_jscurve="trace_jscurve",
7838	schaersvoo	6874	*setlimits="setlimits",
7858	schaersvoo	6875	*jscurve="jscurve",
		6876	*jsplot="jsplot",
7983	schaersvoo	6877	*sgraph="sgraph",
7984	schaersvoo	6878	*title="title",
7996	schaersvoo	6879	*centerstring="centerstring",
		6880	*xunit="xunit",
8071	schaersvoo	6881	*yunit="yunit",
8101	schaersvoo	6882	*slider="slider",
8105	schaersvoo	6883	*killslider="killslider",
8244	schaersvoo	6884	*angle="angle",
		6885	*halfline="halfline",
8297	schaersvoo	6886	*demiline="demiline",
		6887	*functionlabel="functionlabel";
7614	schaersvoo	6888
		6889	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6890	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6891	continue; /* white spaces or tabs allowed before first command identifier */
		6892	}
		6893	else
		6894	{
		6895	if( c == ' ' \|\| c == '\t' ){
		6896	break;
		6897	}
		6898	else
		6899	{
		6900	temp[i] = c;
		6901	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6902	i++;
		6903	}
		6904	}
		6905	if(temp[0] == '#') break;
		6906	}
		6907	if (c == EOF) finished = 1;
		6908
		6909	if (c == '\n' \|\| c == '\r') {
		6910	line_number++;
		6911	if (i == 0) { return EMPTY; }
		6912	} else if (c == EOF) {
		6913	return 0;
		6914	}
		6915
		6916	temp[i]='\0';
		6917	input_type=(char*)my_newmem(strlen(temp));
		6918	snprintf(input_type,sizeof(temp),"%s",temp);
		6919
		6920	if( strcmp(input_type, size) == 0 ){
		6921	free(input_type);
		6922	return SIZE;
		6923	}
		6924	if( strcmp(input_type, xrange) == 0 ){
		6925	free(input_type);
		6926	return XRANGE;
		6927	}
		6928	if( strcmp(input_type, rangex) == 0 ){
		6929	free(input_type);
		6930	return XRANGE;
		6931	}
		6932	if( strcmp(input_type, trange) == 0 ){
		6933	free(input_type);
		6934	return TRANGE;
		6935	}
		6936	if( strcmp(input_type, ranget) == 0 ){
		6937	free(input_type);
		6938	return TRANGE;
		6939	}
		6940	if( strcmp(input_type, yrange) == 0 ){
		6941	free(input_type);
		6942	return YRANGE;
		6943	}
		6944	if( strcmp(input_type, rangey) == 0 ){
		6945	free(input_type);
		6946	return YRANGE;
		6947	}
		6948	if( strcmp(input_type, linewidth) == 0 ){
		6949	free(input_type);
		6950	return LINEWIDTH;
		6951	}
		6952	if( strcmp(input_type, dashed) == 0 ){
		6953	free(input_type);
		6954	return DASHED;
		6955	}
		6956	if( strcmp(input_type, dashtype) == 0 ){
		6957	free(input_type);
		6958	return DASHTYPE;
		6959	}
		6960	if( strcmp(input_type, axisnumbering) == 0 ){
		6961	free(input_type);
		6962	return AXIS_NUMBERING;
		6963	}
		6964	if( strcmp(input_type, axisnumbers) == 0 ){
		6965	free(input_type);
		6966	return AXIS_NUMBERING;
		6967	}
		6968	if( strcmp(input_type, axis) == 0 ){
		6969	free(input_type);
		6970	return AXIS;
		6971	}
		6972	if( strcmp(input_type, grid) == 0 ){
		6973	free(input_type);
		6974	return GRID;
		6975	}
		6976	if( strcmp(input_type, parallel) == 0 ){
		6977	free(input_type);
		6978	return PARALLEL;
		6979	}
		6980	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6981	free(input_type);
		6982	return HLINE;
		6983	}
		6984	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6985	free(input_type);
		6986	return VLINE;
		6987	}
		6988	if( strcmp(input_type, line) == 0 ){
		6989	free(input_type);
		6990	return LINE;
		6991	}
8299	schaersvoo	6992	if( strcmp(input_type, segments) == 0 ){
		6993	free(input_type);
		6994	return SEGMENTS;
		6995	}
7614	schaersvoo	6996	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6997	free(input_type);
		6998	return SEGMENT;
		6999	}
		7000	if( strcmp(input_type, dsegment) == 0 ){
		7001	free(input_type);
		7002	use_dashed = TRUE;
		7003	return SEGMENT;
		7004	}
		7005	if( strcmp(input_type, crosshairsize) == 0 ){
		7006	free(input_type);
		7007	return CROSSHAIRSIZE;
		7008	}
		7009	if( strcmp(input_type, arrowhead) == 0 ){
		7010	free(input_type);
		7011	return ARROWHEAD;
		7012	}
		7013	if( strcmp(input_type, crosshairs) == 0 ){
		7014	free(input_type);
		7015	return CROSSHAIRS;
		7016	}
		7017	if( strcmp(input_type, crosshair) == 0 ){
		7018	free(input_type);
		7019	return CROSSHAIR;
		7020	}
		7021	if( strcmp(input_type, onclick) == 0 ){
		7022	free(input_type);
		7023	return ONCLICK;
		7024	}
		7025	if( strcmp(input_type, drag) == 0 ){
		7026	free(input_type);
		7027	return DRAG;
		7028	}
		7029	if( strcmp(input_type, userdraw) == 0 ){
		7030	free(input_type);
		7031	return USERDRAW;
		7032	}
		7033	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		7034	free(input_type);
		7035	return STYLE;
		7036	}
		7037	if( strcmp(input_type, fillcolor) == 0 ){
		7038	free(input_type);
		7039	return FILLCOLOR;
		7040	}
		7041	if( strcmp(input_type, strokecolor) == 0 ){
		7042	free(input_type);
		7043	return STROKECOLOR;
		7044	}
		7045	if( strcmp(input_type, filled) == 0 ){
		7046	free(input_type);
		7047	return FILLED;
		7048	}
		7049	if( strcmp(input_type, http) == 0 ){
		7050	free(input_type);
		7051	return HTTP;
		7052	}
		7053	if( strcmp(input_type, rays) == 0 ){
		7054	free(input_type);
		7055	return RAYS;
		7056	}
		7057	if( strcmp(input_type, lattice) == 0 ){
		7058	free(input_type);
		7059	return LATTICE;
		7060	}
		7061	if( strcmp(input_type, bgimage) == 0 ){
		7062	free(input_type);
		7063	return BGIMAGE;
		7064	}
		7065	if( strcmp(input_type, bgcolor) == 0 ){
		7066	free(input_type);
		7067	return BGCOLOR;
		7068	}
		7069	if( strcmp(input_type, backgroundimage) == 0 ){
		7070	free(input_type);
		7071	return BGIMAGE;
		7072	}
		7073	if( strcmp(input_type, text) == 0 ){
		7074	free(input_type);
		7075	return FLY_TEXT;
		7076	}
		7077	if( strcmp(input_type, textup) == 0 ){
		7078	free(input_type);
		7079	return FLY_TEXTUP;
		7080	}
		7081	if( strcmp(input_type, mouse) == 0 ){
		7082	free(input_type);
		7083	return MOUSE;
		7084	}
7991	schaersvoo	7085	if( strcmp(input_type, mousex) == 0 ){
		7086	free(input_type);
		7087	return MOUSEX;
		7088	}
		7089	if( strcmp(input_type, mousey) == 0 ){
		7090	free(input_type);
		7091	return MOUSEY;
		7092	}
8071	schaersvoo	7093	if( strcmp(input_type, mouse_degree) == 0 ){
		7094	free(input_type);
		7095	return MOUSE_DEGREE;
		7096	}
		7097	if( strcmp(input_type, mouse_display) == 0 ){
		7098	free(input_type);
		7099	return MOUSE_DISPLAY;
		7100	}
7614	schaersvoo	7101	if( strcmp(input_type, mouseprecision) == 0 ){
		7102	free(input_type);
		7103	return MOUSE_PRECISION;
		7104	}
		7105	if( strcmp(input_type, precision) == 0 ){
		7106	free(input_type);
		7107	return MOUSE_PRECISION;
		7108	}
		7109	if( strcmp(input_type, curve) == 0 ){
		7110	free(input_type);
		7111	return CURVE;
		7112	}
		7113	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7114	use_dashed = TRUE;
7614	schaersvoo	7115	free(input_type);
		7116	return CURVE;
		7117	}
		7118	if( strcmp(input_type, plot) == 0 ){
		7119	free(input_type);
		7120	return CURVE;
		7121	}
		7122	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7123	use_dashed = TRUE;
7614	schaersvoo	7124	free(input_type);
		7125	return CURVE;
		7126	}
7788	schaersvoo	7127	if( strcmp(input_type, levelcurve) == 0 ){
		7128	free(input_type);
		7129	return LEVELCURVE;
		7130	}
7614	schaersvoo	7131	if( strcmp(input_type, plotsteps) == 0 ){
		7132	free(input_type);
		7133	return PLOTSTEPS;
		7134	}
		7135	if( strcmp(input_type, plotstep) == 0 ){
		7136	free(input_type);
		7137	return PLOTSTEPS;
		7138	}
		7139	if( strcmp(input_type, tsteps) == 0 ){
		7140	free(input_type);
		7141	return PLOTSTEPS;
		7142	}
		7143	if( strcmp(input_type, fontsize) == 0 ){
		7144	free(input_type);
		7145	return FONTSIZE;
		7146	}
		7147	if( strcmp(input_type, fontcolor) == 0 ){
		7148	free(input_type);
		7149	return FONTCOLOR;
		7150	}
		7151	if( strcmp(input_type, arrow) == 0 ){
		7152	free(input_type);
		7153	return ARROW;
		7154	}
		7155	if( strcmp(input_type, arrow2) == 0 ){
		7156	free(input_type);
		7157	return ARROW2;
		7158	}
		7159	if( strcmp(input_type, darrow) == 0 ){
		7160	free(input_type);
8071	schaersvoo	7161	use_dashed = TRUE;
7614	schaersvoo	7162	return ARROW;
		7163	}
		7164	if( strcmp(input_type, darrow2) == 0 ){
		7165	free(input_type);
		7166	use_dashed = TRUE;
		7167	return ARROW2;
		7168	}
		7169	if( strcmp(input_type, zoom) == 0 ){
		7170	free(input_type);
		7171	return ZOOM;
		7172	}
		7173	if( strcmp(input_type, triangle) == 0 ){
		7174	free(input_type);
		7175	return TRIANGLE;
		7176	}
		7177	if( strcmp(input_type, ftriangle) == 0 ){
		7178	free(input_type);
		7179	use_filled = TRUE;
		7180	return TRIANGLE;
		7181	}
		7182	if( strcmp(input_type, input) == 0 ){
		7183	free(input_type);
		7184	return INPUT;
		7185	}
		7186	if( strcmp(input_type, inputstyle) == 0 ){
		7187	free(input_type);
		7188	return INPUTSTYLE;
		7189	}
		7190	if( strcmp(input_type, textarea) == 0 ){
		7191	free(input_type);
		7192	return TEXTAREA;
		7193	}
		7194	if( strcmp(input_type, mathml) == 0 ){
		7195	free(input_type);
		7196	return MATHML;
		7197	}
		7198	if( strcmp(input_type, html) == 0 ){
		7199	free(input_type);
		7200	return MATHML;
		7201	}
		7202	if( strcmp(input_type, fontfamily) == 0 ){
		7203	free(input_type);
		7204	return FONTFAMILY;
		7205	}
		7206	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		7207	free(input_type);
		7208	return POLYLINE;
		7209	}
		7210	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7211	free(input_type);
		7212	return RECT;
		7213	}
		7214	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7215	free(input_type);
		7216	return ROUNDRECT;
		7217	}
		7218	if( strcmp(input_type, froundrect) == 0 ){
		7219	free(input_type);
		7220	use_filled = TRUE;
		7221	return ROUNDRECT;
		7222	}
		7223	if( strcmp(input_type, square) == 0 ){
		7224	free(input_type);
		7225	return SQUARE;
		7226	}
		7227	if( strcmp(input_type, fsquare) == 0 ){
		7228	free(input_type);
		7229	use_filled = TRUE;
		7230	return SQUARE;
		7231	}
		7232	if( strcmp(input_type, dline) == 0 ){
		7233	use_dashed = TRUE;
		7234	free(input_type);
		7235	return LINE;
		7236	}
7786	schaersvoo	7237	if( strcmp(input_type, dvline) == 0 ){
		7238	use_dashed = TRUE;
		7239	free(input_type);
		7240	return VLINE;
		7241	}
		7242	if( strcmp(input_type, dhline) == 0 ){
		7243	use_dashed = TRUE;
		7244	free(input_type);
		7245	return HLINE;
		7246	}
7614	schaersvoo	7247	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7248	use_filled = TRUE;
		7249	free(input_type);
		7250	return RECT;
		7251	}
		7252	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7253	use_filled = TRUE;
		7254	free(input_type);
		7255	return CIRCLE;
		7256	}
		7257	if( strcmp(input_type, circle) == 0 ){
		7258	free(input_type);
		7259	return CIRCLE;
		7260	}
		7261	if( strcmp(input_type, point) == 0 ){
		7262	free(input_type);
		7263	return POINT;
		7264	}
		7265	if( strcmp(input_type, points) == 0 ){
		7266	free(input_type);
		7267	return POINTS;
		7268	}
		7269	if( strcmp(input_type, filledarc) == 0 ){
		7270	use_filled = TRUE;
		7271	free(input_type);
		7272	return ARC;
		7273	}
		7274	if( strcmp(input_type, arc) == 0 ){
		7275	free(input_type);
		7276	return ARC;
		7277	}
		7278	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7279	free(input_type);
		7280	return POLY;
		7281	}
		7282	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7283	use_filled = TRUE;
		7284	free(input_type);
		7285	return POLY;
		7286	}
		7287	if( strcmp(input_type, ellipse) == 0){
		7288	free(input_type);
		7289	return ELLIPSE;
		7290	}
		7291	if( strcmp(input_type, fill) == 0 ){
		7292	free(input_type);
		7293	return FLOODFILL;
		7294	}
		7295	if( strcmp(input_type, string) == 0 ){
		7296	free(input_type);
		7297	return STRING;
		7298	}
		7299	if( strcmp(input_type, stringup) == 0 ){
		7300	free(input_type);
		7301	return STRINGUP;
		7302	}
		7303	if( strcmp(input_type, opacity) == 0 ){
		7304	free(input_type);
		7305	return OPACITY;
		7306	}
		7307	if( strcmp(input_type, comment) == 0){
		7308	free(input_type);
		7309	return COMMENT;
		7310	}
		7311	if( strcmp(input_type, end) == 0){
		7312	free(input_type);
		7313	return END;
		7314	}
		7315	if( strcmp(input_type, fellipse) == 0){
		7316	free(input_type);
		7317	use_filled = TRUE;
		7318	return ELLIPSE;
8224	bpr	7319	}
7614	schaersvoo	7320	if( strcmp(input_type, blink) == 0 ){
		7321	free(input_type);
		7322	return BLINK;
		7323	}
8146	schaersvoo	7324	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7325	free(input_type);
8146	schaersvoo	7326	return CLEARBUTTON;
7614	schaersvoo	7327	}
		7328	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7329	free(input_type);
		7330	return TRANSLATION;
		7331	}
		7332	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7333	free(input_type);
		7334	return KILLTRANSLATION;
		7335	}
		7336	if( strcmp(input_type, rotate) == 0){
		7337	free(input_type);
		7338	return ROTATE;
		7339	}
7785	schaersvoo	7340	if( strcmp(input_type, affine) == 0){
		7341	free(input_type);
		7342	return AFFINE;
		7343	}
		7344	if( strcmp(input_type, killaffine) == 0){
		7345	free(input_type);
		7346	return KILLAFFINE;
		7347	}
7614	schaersvoo	7348	if( strcmp(input_type, audio) == 0 ){
		7349	free(input_type);
		7350	return AUDIO;
		7351	}
		7352	if( strcmp(input_type, audioobject) == 0 ){
		7353	free(input_type);
		7354	return AUDIOOBJECT;
		7355	}
		7356	if( strcmp(input_type, slider) == 0 ){
		7357	free(input_type);
		7358	return SLIDER;
		7359	}
8101	schaersvoo	7360	if( strcmp(input_type, killslider) == 0 ){
		7361	free(input_type);
		7362	return KILLSLIDER;
		7363	}
7614	schaersvoo	7364	if( strcmp(input_type, copy) == 0 ){
		7365	free(input_type);
		7366	return COPY;
		7367	}
		7368	if( strcmp(input_type, copyresized) == 0 ){
		7369	free(input_type);
		7370	return COPYRESIZED;
		7371	}
		7372	if( strcmp(input_type, patternfill) == 0 ){
		7373	free(input_type);
		7374	return PATTERNFILL;
		7375	}
		7376	if( strcmp(input_type, hatchfill) == 0 ){
		7377	free(input_type);
		7378	return HATCHFILL;
		7379	}
7647	schaersvoo	7380	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7381	free(input_type);
7647	schaersvoo	7382	return DIAMONDFILL;
7614	schaersvoo	7383	}
		7384	if( strcmp(input_type, dotfill) == 0 ){
		7385	free(input_type);
		7386	return DOTFILL;
		7387	}
		7388	if( strcmp(input_type, gridfill) == 0 ){
		7389	free(input_type);
		7390	return GRIDFILL;
		7391	}
		7392	if( strcmp(input_type, imagefill) == 0 ){
		7393	free(input_type);
		7394	return IMAGEFILL;
		7395	}
		7396	if( strcmp(input_type, clicktile_colors) == 0 ){
		7397	free(input_type);
		7398	return CLICKTILE_COLORS;
		7399	}
		7400	if( strcmp(input_type, clicktile) == 0 ){
		7401	free(input_type);
		7402	return CLICKTILE;
		7403	}
		7404	if( strcmp(input_type, xlogscale) == 0 ){
		7405	free(input_type);
		7406	return XLOGSCALE;
		7407	}
		7408	if( strcmp(input_type, ylogscale) == 0 ){
		7409	free(input_type);
		7410	return YLOGSCALE;
		7411	}
		7412	if( strcmp(input_type, xylogscale) == 0 ){
		7413	free(input_type);
		7414	return XYLOGSCALE;
		7415	}
		7416	if( strcmp(input_type, ylogscale) == 0 ){
		7417	free(input_type);
		7418	return YLOGSCALE;
		7419	}
7735	schaersvoo	7420	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7421	free(input_type);
7735	schaersvoo	7422	return XLOGBASE;
7614	schaersvoo	7423	}
7735	schaersvoo	7424	if( strcmp(input_type, ylogbase) == 0 ){
		7425	free(input_type);
		7426	return YLOGBASE;
		7427	}
7614	schaersvoo	7428	if( strcmp(input_type, intooltip) == 0 ){
		7429	free(input_type);
		7430	return INTOOLTIP;
		7431	}
		7432	if( strcmp(input_type,video) == 0 ){
		7433	free(input_type);
		7434	return VIDEO;
		7435	}
		7436	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7437	free(input_type);
		7438	return FLOODFILL;
8224	bpr	7439	}
7614	schaersvoo	7440	if( strcmp(input_type,filltoborder) == 0 ){
		7441	free(input_type);
		7442	return FILLTOBORDER;
8224	bpr	7443	}
7614	schaersvoo	7444	if( strcmp(input_type,clickfill) == 0 ){
		7445	free(input_type);
		7446	return CLICKFILL;
8224	bpr	7447	}
7614	schaersvoo	7448	if( strcmp(input_type, replyformat) == 0 ){
		7449	free(input_type);
		7450	return REPLYFORMAT;
		7451	}
		7452	if( strcmp(input_type, pixelsize) == 0 ){
		7453	free(input_type);
		7454	return PIXELSIZE;
		7455	}
		7456	if( strcmp(input_type, setpixel) == 0 ){
		7457	free(input_type);
		7458	return SETPIXEL;
		7459	}
		7460	if( strcmp(input_type, pixels) == 0 ){
		7461	free(input_type);
		7462	return PIXELS;
		7463	}
		7464	if( strcmp(input_type, clickfillmarge) == 0 ){
		7465	free(input_type);
		7466	return CLICKFILLMARGE;
		7467	}
		7468	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7469	free(input_type);
		7470	return X_AXIS_STRINGS;
		7471	}
		7472	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7473	free(input_type);
		7474	return Y_AXIS_STRINGS;
		7475	}
		7476	if( strcmp(input_type, piechart) == 0 ){
		7477	free(input_type);
		7478	return PIECHART;
		7479	}
		7480	if( strcmp(input_type, barchart) == 0 ){
		7481	free(input_type);
		7482	return BARCHART;
		7483	}
		7484	if( strcmp(input_type, linegraph) == 0 ){
		7485	free(input_type);
		7486	return LINEGRAPH;
		7487	}
		7488	if( strcmp(input_type, clock) == 0 ){
		7489	free(input_type);
		7490	return CLOCK;
		7491	}
		7492	if( strcmp(input_type, legend) == 0 ){
		7493	free(input_type);
		7494	return LEGEND;
		7495	}
		7496	if( strcmp(input_type, legendcolors) == 0 ){
		7497	free(input_type);
		7498	return LEGENDCOLORS;
		7499	}
		7500	if( strcmp(input_type, xlabel) == 0 ){
		7501	free(input_type);
		7502	return XLABEL;
		7503	}
		7504	if( strcmp(input_type, ylabel) == 0 ){
		7505	free(input_type);
		7506	return YLABEL;
		7507	}
		7508	if( strcmp(input_type, animate) == 0 ){
		7509	free(input_type);
		7510	return ANIMATE;
		7511	}
		7512	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7513	if( strcmp(input_type, transparent) == 0 ){
		7514	free(input_type);
		7515	return TRANSPARENT;
		7516	}
7877	schaersvoo	7517	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7518	free(input_type);
		7519	return STATUS;
		7520	}
		7521	if( strcmp(input_type, snaptogrid) == 0 ){
		7522	free(input_type);
		7523	return SNAPTOGRID;
		7524	}
7784	schaersvoo	7525	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7526	free(input_type);
		7527	return XSNAPTOGRID;
		7528	}
		7529	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7530	free(input_type);
		7531	return YSNAPTOGRID;
		7532	}
7652	schaersvoo	7533	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7534	free(input_type);
7652	schaersvoo	7535	return USERINPUT_XY;
		7536	}
8193	schaersvoo	7537	if( strcmp(input_type, userinput_function) == 0 ){
		7538	free(input_type);
		7539	return USERINPUT_FUNCTION;
		7540	}
7663	schaersvoo	7541	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7542	free(input_type);
		7543	return USERTEXTAREA_XY;
		7544	}
8222	schaersvoo	7545	if( strcmp(input_type, userinput) == 0 ){
		7546	free(input_type);
		7547	return USERINPUT;
		7548	}
7654	schaersvoo	7549	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7550	free(input_type);
7654	schaersvoo	7551	return SGRAPH;
		7552	}
7823	schaersvoo	7553	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7554	free(input_type);
7823	schaersvoo	7555	return JSMATH;
		7556	}
7858	schaersvoo	7557	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7558	free(input_type);
7858	schaersvoo	7559	return TRACE_JSCURVE;
7823	schaersvoo	7560	}
7858	schaersvoo	7561	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7562	free(input_type);
		7563	return JSCURVE;
		7564	}
7984	schaersvoo	7565	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7566	free(input_type);
		7567	return CENTERSTRING;
		7568	}
7838	schaersvoo	7569	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7570	free(input_type);
7838	schaersvoo	7571	return SETLIMITS;
		7572	}
7996	schaersvoo	7573	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7574	free(input_type);
7996	schaersvoo	7575	return XUNIT;
		7576	}
		7577	if( strcmp(input_type, yunit) == 0 ){
		7578	free(input_type);
		7579	return YUNIT;
		7580	}
8105	schaersvoo	7581	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7582	free(input_type);
8105	schaersvoo	7583	return ANGLE;
		7584	}
8244	schaersvoo	7585	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7586	free(input_type);
8244	schaersvoo	7587	return HALFLINE;
		7588	}
8297	schaersvoo	7589	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	7590	free(input_type);
8297	schaersvoo	7591	return FUNCTION_LABEL;
		7592	}
		7593	free(input_type);
7614	schaersvoo	7594	ungetc(c,infile);
		7595	return 0;
		7596	}
7856	schaersvoo	7597

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8299