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\
8304	schaersvoo	209	<!-- canvasdraw div and tooltip placeholder, if needed -->\n\
		210	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div>\n\
		211	<div id=\"tooltip_placeholder_div%d\" style=\"display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\">\
		212	<span id=\"tooltip_placeholder%d\" style=\"display:none;\">\n</span>\
		213	</div>\n",canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
8257	schaersvoo	214	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	215	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n\
8108	schaersvoo	216	\"use strict\";\n\
8146	schaersvoo	217	<!-- these variables and functions must be global -->\n\
8257	schaersvoo	218	var read_dragdrop%d;\
		219	var read_canvas%d;\
8130	schaersvoo	220	var set_clock;\
8146	schaersvoo	221	var clear_draw_area;\
8257	schaersvoo	222	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
8146	schaersvoo	223	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
7729	schaersvoo	224	var xsize = %d;\
		225	var ysize = %d;\
7797	schaersvoo	226	var precision = 100;\
7729	schaersvoo	227	var canvas_div = document.getElementById(\"canvas_div%d\");\
8105	schaersvoo	228	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	229	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	230	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);};};\
		231	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);};};\
		232	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);};};\
		233	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	234	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		235	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
7729	schaersvoo	236	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		237	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	238	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;};\
		239	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	240	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		241	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		242	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\
7735	schaersvoo	243	var xlogbase = 10;\
		244	var ylogbase = 10;\
7729	schaersvoo	245	var use_xlogscale = 0;\
		246	var use_ylogscale = 0;\
		247	var x_strings = null;\
		248	var y_strings = null;\
		249	var use_pan_and_zoom = 0;\
7858	schaersvoo	250	var use_jsmath = 0;\
7729	schaersvoo	251	var xstart = 0;\
7996	schaersvoo	252	var ystart = 0;\
		253	var unit_x=\" \";\
8257	schaersvoo	254	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	255	/* default add the drag code : nearly always used ...*/
8257	schaersvoo	256	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		257
7614	schaersvoo	258	break;
		259	case XRANGE:
		260	/*
		261	@ xrange xmin,xmax
8224	bpr	262	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	263	*/
		264	for(i = 0 ; i<2; i++){
		265	switch(i){
		266	case 0: xmin = get_real(infile,0);break;
		267	case 1: xmax = get_real(infile,1);break;
		268	default: break;
		269	}
		270	}
		271	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		272	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
7983	schaersvoo	273	found_size_command++;
7614	schaersvoo	274	break;
		275	case YRANGE:
		276	/*
		277	@ yrange ymin,ymax
		278	@ if not given 0,ysize (eg in pixels)
		279	*/
		280	for(i = 0 ; i<2; i++){
		281	switch(i){
		282	case 0: ymin = get_real(infile,0);break;
		283	case 1: ymax = get_real(infile,1);break;
		284	default: break;
		285	}
		286	}
		287	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		288	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
7983	schaersvoo	289	found_size_command++;
7614	schaersvoo	290	break;
		291	case TRANGE:
		292	/*
		293	@ trange tmin,tmax
		294	@ default -2,2
		295	*/
		296	use_parametric = TRUE;
		297	for(i = 0 ; i<2; i++){
		298	switch(i){
		299	case 0: tmin = get_real(infile,0);break;
		300	case 1: tmax = get_real(infile,1);break;
		301	default: break;
		302	}
		303	}
		304	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		305	break;
		306	case LINEWIDTH:
		307	/*
		308	@ linewidth int
		309	@ default 1
		310	*/
		311	line_width = (int) (get_real(infile,1));
		312	break;
		313	case ARROWHEAD:
		314	/*
		315	@ arrowhead int
		316	@ default 8 (pixels)
		317	*/
		318	arrow_head = (int) (get_real(infile,1));
		319	break;
		320	case CROSSHAIRSIZE:
		321	/*
		322	@ crosshairsize int
		323	@ default 10 (px)
		324	*/
		325	crosshair_size = (int) (get_real(infile,1));
		326	break;
		327	case CROSSHAIR:
		328	/*
		329	@ crosshair x,y,color
		330	@ draw a single crosshair point at (x;y) in color 'color'
7956	schaersvoo	331	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	332	@ may be set draggable / onclick
		333	*/
		334	for(i=0;i<3;i++){
		335	switch(i){
		336	case 0: double_data[0] = get_real(infile,0);break; /* x */
		337	case 1: double_data[1] = get_real(infile,0);break; /* y */
		338	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		339	decimals = find_number_of_digits(precision);
8097	schaersvoo	340	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%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	341	click_cnt++;reset();
		342	break;
		343	default:break;
		344	}
		345	}
		346	break;
		347	case CROSSHAIRS:
		348	/*
		349	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		350	@ draw multiple crosshair points at given coordinates in color 'color'
7956	schaersvoo	351	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	352	@ may be set draggable / onclick individually (!)
		353	*/
		354	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		355	fill_color = stroke_color;
		356	i=0;
		357	while( ! done ){ /* get next item until EOL*/
		358	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		359	if(i%2 == 0 ){
		360	double_data[i] = get_real(infile,0); /* x */
		361	}
		362	else
		363	{
		364	double_data[i] = get_real(infile,1); /* y */
		365	}
		366	i++;
		367	}
		368	decimals = find_number_of_digits(precision);
		369	for(c=0 ; c < i-1 ; c = c+2){
8097	schaersvoo	370	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	371	click_cnt++;
		372	}
		373	reset();
		374	break;
		375	case POINT:
		376	/*
		377	@ point x,y,color
		378	@ draw a single point at (x;y) in color 'color'
7956	schaersvoo	379	@ use command 'linewidth int' to adust size
7614	schaersvoo	380	@ may be set draggable / onclick
8224	bpr	381	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	382	*/
		383	for(i=0;i<3;i++){
		384	switch(i){
		385	case 0: double_data[0] = get_real(infile,0);break; /* x */
		386	case 1: double_data[1] = get_real(infile,0);break; /* y */
		387	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		388	decimals = find_number_of_digits(precision);
8097	schaersvoo	389	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.f],[%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%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	390	click_cnt++;break;
		391	default: break;
		392	}
		393	}
		394	reset();
		395	break;
		396	case POINTS:
		397	/*
7634	schaersvoo	398	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	399	@ draw multiple points at given coordinates in color 'color'
7956	schaersvoo	400	@ use command 'linewidth int' to adust size
7614	schaersvoo	401	@ may be set draggable / onclick individually (!)
		402	*/
		403	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		404	fill_color = stroke_color;
		405	i=0;
		406	while( ! done ){ /* get next item until EOL*/
		407	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		408	if(i%2 == 0 ){
		409	double_data[i] = get_real(infile,0); /* x */
		410	}
		411	else
		412	{
		413	double_data[i] = get_real(infile,1); /* y */
		414	}
		415	i++;
		416	}
8224	bpr	417	decimals = find_number_of_digits(precision);
7614	schaersvoo	418	for(c = 0 ; c < i-1 ; c = c+2){
8097	schaersvoo	419	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	420	click_cnt++;
		421	}
		422	reset();
		423	break;
8299	schaersvoo	424	case SEGMENTS:
		425	/*
		426	@ segments color,x1,y1,x2,y2,...,x_n,y_n
		427	@ draw multiple segments at given coordinates in color 'color'
		428	@ use command 'linewidth int' to adust size
		429	@ may be set draggable / onclick individually (!)
		430	*/
		431	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		432	fill_color = stroke_color;
		433	i=0;
		434	while( ! done ){ /* get next item until EOL*/
		435	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		436	if(i%2 == 0 ){
		437	double_data[i] = get_real(infile,0); /* x */
		438	}
		439	else
		440	{
		441	double_data[i] = get_real(infile,1); /* y */
		442	}
		443	i++;
		444	}
		445	decimals = find_number_of_digits(precision);
		446	for(c = 0 ; c < i-1 ; c = c+4){
		447	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);
		448	click_cnt++;
		449	}
		450	reset();
		451	break;
7614	schaersvoo	452	case SEGMENT:
		453	/*
		454	@ segment x1,y1,x2,y2,color
		455	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		456	@ may be set draggable / onclick
		457	*/
		458	for(i=0;i<5;i++) {
		459	switch(i){
		460	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		461	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		462	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		463	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		464	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		465	decimals = find_number_of_digits(precision);
8097	schaersvoo	466	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	467	click_cnt++;reset();
		468	break;
		469	default: break;
		470	}
		471	}
		472	break;
		473	case LINE:
		474	/*
		475	@ line x1,y1,x2,y2,color
		476	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		477	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		478	@ may be set draggable / onclick
		479	*/
		480	for(i=0;i<5;i++){
		481	switch(i){
		482	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		483	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		484	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		485	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		486	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		487	if( double_data[10] == double_data[12] ){ /* vertical line*/
		488	double_data[1] = xmin;
		489	double_data[3] = ymax;
		490	double_data[0] = double_data[10];
		491	double_data[2] = double_data[10];
		492	}
		493	else
		494	{
		495	if( double_data[11] == double_data[13] ){ /* horizontal line */
		496	double_data[1] = double_data[11];
		497	double_data[3] = double_data[11];
		498	double_data[0] = ymin;
		499	double_data[2] = xmax;
		500	}
		501	else
		502	{
		503	/* m */
		504	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		505	/* q */
		506	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
8224	bpr	507
7614	schaersvoo	508	/xmin,mxmin+q,xmax,mxmax+q/
8224	bpr	509
7614	schaersvoo	510	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		511	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		512	double_data[0] = xmin;
		513	double_data[2] = xmax;
		514	}
		515	}
		516	decimals = find_number_of_digits(precision);
8097	schaersvoo	517	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	518	click_cnt++;reset();
		519	break;
		520	}
		521	}
		522	break;
8244	schaersvoo	523	case HALFLINE:
		524	/*
		525	@ demiline x1,y1,x2,y2,color
		526	@ alternative : halfline
		527	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
		528	@ may be set draggable / onclick
		529	*/
		530	for(i=0;i<5;i++){
		531	switch(i){
		532	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		533	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		534	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		535	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		536	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		537	if(double_data[0] == double_data[10]){ /* vertical halfline */
		538	if(double_data[1] < double_data[11]){
		539	double_data[3] = ymax + 1000;
		540	}
		541	else
		542	{
		543	double_data[3] = ymin - 1000;
		544	}
		545	double_data[2] = double_data[0];
		546	}
		547	else
		548	{ /* horizontal halfline*/
		549	if( double_data[1] == double_data[11] ){
		550	if( double_data[0] < double_data[10] ){
		551	double_data[2] = xmax + 1000; /* halfline to the right */
		552	}
		553	else
		554	{
		555	double_data[2] = xmin - 1000; /* halfline to the left */
		556	}
		557	double_data[3] = double_data[1];
		558	}
		559	else
		560	{
		561	/* any other halfline */
		562	/* slope */
		563	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		564	/* const */
		565	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		566	if( double_data[0] < double_data[10] ){
		567	double_data[2] = double_data[2] + 1000;
		568	}
		569	else
		570	{
		571	double_data[2] = double_data[2] - 1000;
		572	}
		573	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		574	}
		575	}
		576	decimals = find_number_of_digits(precision);
		577	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);
		578	click_cnt++;reset();
		579	break;
		580	}
		581	}
		582
		583	break;
8224	bpr	584	case HLINE:
7614	schaersvoo	585	/*
		586	@ hline x,y,color
		587	@ draw a horizontal line through point (x:y) in color 'color'
		588	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		589	@ may be set draggable / onclick
		590	*/
		591	for(i=0;i<3;i++) {
		592	switch(i){
		593	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		594	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		595	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		596	double_data[3] = double_data[1];
		597	decimals = find_number_of_digits(precision);
8097	schaersvoo	598	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	599	click_cnt++;reset();
		600	break;
		601	}
		602	}
		603	break;
		604	case VLINE:
		605	/*
		606	@ vline x,y,color
		607	@ draw a vertical line through point (x:y) in color 'color'
		608	@ may be set draggable / onclick
		609	*/
		610	for(i=0;i<3;i++) {
		611	switch(i){
		612	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		613	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		614	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		615	double_data[2] = double_data[0];
		616	decimals = find_number_of_digits(precision);
8097	schaersvoo	617	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	618	click_cnt++;reset();
		619	break;
		620	}
		621	}
		622	break;
		623	case SQUARE:
		624	/*
8071	schaersvoo	625	@ square x,y,side (px) ,color
7614	schaersvoo	626	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		627	@ use command 'fsquare x,y,side,color' for a filled square
		628	@ use command/keyword 'filled' before command 'square x,y,side,color'
		629	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		630	@ may be set draggable / onclick
		631	*/
		632	for(i=0;i<5;i++){
		633	switch(i){
8071	schaersvoo	634	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		635	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		636	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		637	case 3:
		638	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	639	decimals = find_number_of_digits(precision);
8071	schaersvoo	640	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		641	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	642	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	643	click_cnt++;reset();
		644	break;
		645	}
		646	}
		647	break;
		648	case ROUNDRECT:
		649	/*
		650	@ roundrect x1,y1,x2,y2,radius,color
		651	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		652	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		653	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		654	@ may be set draggable / onclick
		655	*/
		656	for(i=0;i<6;i++){
		657	switch(i){
		658	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		659	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		660	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		661	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		662	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		663	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	664	/* ensure no inverted roundrect is produced... */
		665	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	666	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	667	decimals = find_number_of_digits(precision);
8097	schaersvoo	668	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	669	click_cnt++;reset();
		670	break;
		671	}
		672	}
		673	break;
		674	case RECT:
		675	/*
		676	@ rect x1,y1,x2,y2,color
		677	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		678	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		679	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		680	@ may be set draggable / onclick
		681	*/
		682	for(i=0;i<5;i++){
		683	switch(i){
		684	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		685	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		686	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		687	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		688	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		689	decimals = find_number_of_digits(precision);
8097	schaersvoo	690	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	691	click_cnt++;reset();
		692	break;
		693	}
		694	}
		695	break;
		696	case POLYLINE:
		697	/*
		698	@ polyline color,x1,y1,x2,y2...x_n,y_n
		699	@ may be set draggable / onclick
		700	*/
		701	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		702	i=0;
		703	c=0;
		704	while( ! done ){ /* get next item until EOL*/
		705	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		706	for( c = 0 ; c < 2; c++){
		707	if(c == 0 ){
		708	double_data[i] = get_real(infile,0);
		709	i++;
		710	}
		711	else
		712	{
		713	double_data[i] = get_real(infile,1);
		714	i++;
		715	}
		716	}
		717	}
		718	/* draw path : not closed & not filled */
		719	decimals = find_number_of_digits(precision);
8097	schaersvoo	720	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	721	click_cnt++;reset();
		722	break;
		723	case POLY:
		724	/*
		725	@ poly color,x1,y1,x2,y2...x_n,y_n
		726	@ draw closed polygon
		727	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		728	@ may be set draggable / onclick
		729	*/
		730	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		731	i=0;
		732	c=0;
		733	while( ! done ){ /* get next item until EOL*/
		734	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		735	for( c = 0 ; c < 2; c++){
		736	if(c == 0 ){
		737	double_data[i] = get_real(infile,0);
		738	i++;
		739	}
		740	else
		741	{
		742	double_data[i] = get_real(infile,1);
		743	i++;
		744	}
		745	}
		746	}
		747	/* draw path : closed & optional filled */
		748	decimals = find_number_of_digits(precision);
8097	schaersvoo	749	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	750	click_cnt++;reset();
		751	break;
8224	bpr	752	case ARC:
7614	schaersvoo	753	/*
		754	@ arc xc,yc,width,height,start_angle,end_angle,color
		755	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	756	@ attention: width == height == radius in pixels
		757	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		758	@ use command 'angle' for scalable angle
7614	schaersvoo	759	*/
		760	for(i=0;i<7;i++){
		761	switch(i){
		762	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		763	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		764	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		765	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		766	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		767	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		768	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		769	/* in Shape library:
		770	x[0] = x[1] = xc
		771	y[0] = y[1] = yc
8224	bpr	772	w[0] = w[1] = radius = width = height
		773	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	774	*/
		775	decimals = find_number_of_digits(precision);
8097	schaersvoo	776	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	777	reset();
		778	break;
		779	}
		780	}
		781	break;
8224	bpr	782	case ANGLE:
8105	schaersvoo	783	/*
		784	@ angle xc,yc,width,start_angle,end_angle,color
		785	@ width is in x-range
		786	@ will zoom in/out
		787	@ if size is controlled by command 'slider' use radians to set limits of slider.
		788	*/
		789	for(i=0;i<7;i++){
		790	switch(i){
		791	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		792	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		793	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		794	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		795	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		796	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		797	decimals = find_number_of_digits(precision);
		798	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);
		799	reset();
		800	break;
		801	}
		802	}
		803	break;
		804
7614	schaersvoo	805	case ELLIPSE:
		806	/*
		807	@ ellipse xc,yc,radius_x,radius_y,color
8224	bpr	808	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	809	@ radius_x and radius_y are in pixels
		810	@ may be set draggable / onclick
8224	bpr	811	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	812	*/
		813	for(i=0;i<5;i++){
		814	switch(i){
		815	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		816	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		817	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
8224	bpr	818	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	819	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		820	decimals = find_number_of_digits(precision);
8097	schaersvoo	821	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	822	click_cnt++;reset();
		823	break;
		824	}
		825	}
		826	break;
		827	case DASHTYPE:
		828	/*
		829	@ dashtype int ,int
7956	schaersvoo	830	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	831	@ default value "dashtype 2,2"
		832	*/
		833	for(i=0;i<2;i++){
		834	switch(i){
		835	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		836	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		837	}
		838	}
		839	break;
		840	case CIRCLE:
		841	/*
		842	@ circle xc,yc,width (2*r in pixels),color
		843	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		844	@ use command 'fillcolor color' to set the fillcolor
		845	@ may be set draggable / onclick
8224	bpr	846	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	847	*/
		848	for(i=0;i<4;i++){
		849	switch(i){
		850	case 0: double_data[0] = get_real(infile,0);break; /* x */
		851	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	852	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	853	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		854	decimals = find_number_of_digits(precision);
8097	schaersvoo	855	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	856	click_cnt++;reset();
8304	schaersvoo	857	break;
		858	default : break;
7614	schaersvoo	859	}
		860	}
		861	break;
8304	schaersvoo	862
		863	case CIRCLES:
		864	/*
		865	@ circles color,xc1,yc1,r1,xc2,yc2,r2...xc_n,yc_n,r_n
		866	@ Attention r = radius in x-range (!)
		867	@ use command 'fillcolor color' to set the fillcolor
		868	@ may be set draggable / onclick (individually)
		869	@ will shrink / expand on zoom out / zoom in
		870	*/
		871	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		872	fill_color = stroke_color;
		873	i=1;
		874	while( ! done ){ /* get next item until EOL*/
		875	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		876	switch (i%3){
		877	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		878	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		879	case 0:double_data[i-1] = get_real(infile,1);break; /* r */
		880	}
		881	i++;
		882	}
		883	decimals = find_number_of_digits(precision);
		884	for(c = 0 ; c < i-1 ; c = c+3){
		885	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[c],decimals,double_data[c+1],double_data[c+2],double_data[c+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);
		886	click_cnt++;
		887	}
		888	reset();
		889	break;
7614	schaersvoo	890	case RAYS:
		891	/*
		892	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		893	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	894	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	895	*/
		896	stroke_color=get_color(infile,0);
7786	schaersvoo	897	fill_color = stroke_color;
		898	double_data[0] = get_real(infile,0);/* xc */
		899	double_data[1] = get_real(infile,0);/* yc */
		900	i=2;
		901	while( ! done ){ /* get next item until EOL*/
		902	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		903	if(i%2 == 0 ){
		904	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	905	}
7786	schaersvoo	906	else
		907	{
		908	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	909	}
7786	schaersvoo	910	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		911	i++;
7614	schaersvoo	912	}
8224	bpr	913
		914	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		915	decimals = find_number_of_digits(precision);
7786	schaersvoo	916	for(c=2; c<i;c = c+2){
7614	schaersvoo	917	click_cnt++;
8097	schaersvoo	918	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	919	}
		920	reset();
		921	break;
8304	schaersvoo	922
		923	case ARROWS:
		924	/*
		925	@ arrows color,head (px),x1,y1,x2,y2...x_n,y_n
		926	@ draw single headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		927	@ use command 'linewidth int' to adjust thickness of the arrow
		928	@ may be set draggable / onclick individually
		929	*/
		930	fprintf(js_include_file,"\n<!-- FOUND ARROWS --> \n");
		931	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		932	fill_color = stroke_color;
		933	arrow_head = (int) get_real(infile,0);/* h */
		934	i=0;
		935	while( ! done ){ /* get next item until EOL*/
		936	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		937	if(i%2 == 0 ){
		938	double_data[i] = get_real(infile,0); /* x */
		939	}
		940	else
		941	{
		942	double_data[i] = get_real(infile,1); /* y */
		943	}
		944	i++;
		945	}
		946	decimals = find_number_of_digits(precision);
		947	for(c = 0 ; c < i-1 ; c = c+4){
		948	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[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+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);
		949	click_cnt++;
		950	}
		951	reset();
		952	break;
7614	schaersvoo	953	case ARROW:
		954	/*
		955	@ arrow x1,y1,x2,y2,h,color
		956	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		957	@ use command 'linewidth int' to adjust thickness of the arrow
		958	@ may be set draggable / onclick
		959	*/
		960	for(i=0;i<6;i++){
		961	switch(i){
		962	case 0: double_data[0] = get_real(infile,0);break; /* x */
		963	case 1: double_data[1] = get_real(infile,0);break; /* y */
		964	case 2: double_data[2] = get_real(infile,0);break; /* x */
		965	case 3: double_data[3] = get_real(infile,0);break; /* y */
		966	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		967	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		968	decimals = find_number_of_digits(precision);
8097	schaersvoo	969	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	970	click_cnt++;
		971	reset();
		972	break;
		973	}
		974	}
		975	break;
		976	case ARROW2:
		977	/*
		978	@ arrow2 x1,y1,x2,y2,h,color
		979	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		980	@ use command 'arrowhead int' to adjust the arrow head size
		981	@ use command 'linewidth int' to adjust thickness of the arrow
		982	@ may be set draggable / onclick
		983	*/
		984	for(i=0;i<6;i++){
		985	switch(i){
		986	case 0: double_data[0] = get_real(infile,0);break; /* x */
		987	case 1: double_data[1] = get_real(infile,0);break; /* y */
		988	case 2: double_data[2] = get_real(infile,0);break; /* x */
		989	case 3: double_data[3] = get_real(infile,0);break; /* y */
		990	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		991	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		992	decimals = find_number_of_digits(precision);
8097	schaersvoo	993	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	994	click_cnt++;reset();
		995	break;
		996	}
		997	}
		998	break;
8224	bpr	999	case PARALLEL:
7614	schaersvoo	1000	/*
		1001	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
8224	bpr	1002	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	1003	*/
		1004	for( i = 0;i < 8; i++ ){
		1005	switch(i){
		1006	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		1007	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		1008	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		1009	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		1010	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		1011	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		1012	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		1013	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		1014	decimals = find_number_of_digits(precision);
8097	schaersvoo	1015	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	1016	click_cnt++;reset();
		1017	break;
		1018	default: break;
		1019	}
		1020	}
		1021	break;
		1022	case TRIANGLE:
		1023	/*
		1024	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	1025	@may be set draggable / onclic
7614	schaersvoo	1026	*/
		1027	for(i=0;i<7;i++){
		1028	switch(i){
		1029	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1030	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1031	case 2: double_data[2] = get_real(infile,0);break; /* x */
		1032	case 3: double_data[3] = get_real(infile,0);break; /* y */
		1033	case 4: double_data[4] = get_real(infile,0);break; /* x */
		1034	case 5: double_data[5] = get_real(infile,0);break; /* y */
		1035	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		1036	decimals = find_number_of_digits(precision);
8097	schaersvoo	1037	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	1038	click_cnt++;reset();
		1039	break;
		1040	default: break;
		1041	}
		1042	}
		1043	break;
		1044	case LATTICE:
		1045	/*
		1046	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
8224	bpr	1047	@can not be set "onclick" or "drag xy"
7614	schaersvoo	1048	*/
		1049	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		1050	for( i = 0; i<9; i++){
		1051	switch(i){
		1052	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		1053	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		1054	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	1055	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	1056	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	1057	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	1058	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		1059	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		1060	case 8: stroke_color=get_color(infile,1);
		1061	decimals = find_number_of_digits(precision);
8071	schaersvoo	1062	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	1063	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1064	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	1065	add_to_buffer(tmp_buffer);
		1066	break;
		1067	default:break;
		1068	}
		1069	}
		1070	reset();
		1071	break;
		1072	case SNAPTOGRID:
		1073	/*
		1074	@ snaptogrid
		1075	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1076	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	1077	@ 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	1078	*/
7881	schaersvoo	1079	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	1080	break;
7784	schaersvoo	1081	case XSNAPTOGRID:
		1082	/*
		1083	@ xsnaptogrid
		1084	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1085	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	1086	@ 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	1087	*/
7881	schaersvoo	1088	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	1089	break;
		1090	case YSNAPTOGRID:
		1091	/*
		1092	@ ysnaptogrid
		1093	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1094	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	1095	@ 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	1096	*/
7881	schaersvoo	1097	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1098	break;
8222	schaersvoo	1099	case USERINPUT:
		1100	/*
		1101	@ userinput function \| textarea \| inputfield
		1102	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1103	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1104	@ function may be used any time (e.g. without userdraw)
8297	schaersvoo	1105	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		1106	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
		1107	@ the userinput for the function will be corrected by a simple 'rawmath' implementation...
8222	schaersvoo	1108	*/
		1109	temp = get_string_argument(infile,1);
		1110	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1111	if( js_function[DRAW_JSFUNCTION] != 1 ){
8297	schaersvoo	1112	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
8222	schaersvoo	1113	js_function[DRAW_JSFUNCTION] = 1;
		1114	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1115	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	1116	input_cnt++;
		1117	}
8297	schaersvoo	1118	else
		1119	{
		1120	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1121	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]);
		1122	input_cnt++;
		1123	}
8222	schaersvoo	1124	if( use_js_math == FALSE){/* add this stuff only once...*/
		1125	add_to_js_math(js_include_file);
		1126	use_js_math = TRUE;
		1127	}
		1128	if( use_js_plot == FALSE){
		1129	use_js_plot = TRUE;
		1130	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1131	}
		1132	}
		1133	else
		1134	{
		1135	if(strstr(temp,"inputfield") != 0 ){
		1136	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1137	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1138	use_input_xy = 1;
		1139	}
		1140	else
		1141	{
		1142	if(strstr(temp,"textarea") != 0 ){
		1143	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1144	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1145	use_input_xy = 2;
		1146	}
		1147	else
		1148	{
		1149	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1150	}
		1151	}
		1152	}
		1153	break;
7663	schaersvoo	1154	case USERTEXTAREA_XY:
		1155	/*
		1156	@ usertextarea_xy
8224	bpr	1157	@ keyword
7663	schaersvoo	1158	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1159	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1160	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1161	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1162	*/
7856	schaersvoo	1163	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1164	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1165	use_input_xy = 2;
		1166	break;
7652	schaersvoo	1167	case USERINPUT_XY:
		1168	/*
		1169	@ userinput_xy
8224	bpr	1170	@ keyword
7652	schaersvoo	1171	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1172	@ 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	1173	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1174	@ 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	1175	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1176	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1177	*/
7749	schaersvoo	1178	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1179	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1180	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1181	use_input_xy = 1;
		1182	break;
8297	schaersvoo	1183	case FUNCTION_LABEL:
		1184	function_label = get_string_argument(infile,1);
		1185	break;
8193	schaersvoo	1186	case USERINPUT_FUNCTION:
		1187	/*
		1188	@ userinput_function
		1189	@ keyword
		1190	@ if set , a inputfield will be added to the page
8297	schaersvoo	1191	@ repeat keyword for more function input fields
8193	schaersvoo	1192	@ the userinput value will be plotted in the canvas
		1193	@ 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
		1194	@ 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
		1195	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1196	*/
8224	bpr	1197	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1198	js_function[DRAW_JSFUNCTION] = 1;
8297	schaersvoo	1199	add_rawmath(js_include_file);
8193	schaersvoo	1200	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1201	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	1202	input_cnt++;
		1203	}
8297	schaersvoo	1204	else
		1205	{
		1206	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1207	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]);
		1208	input_cnt++;
		1209	}
8193	schaersvoo	1210	if( use_js_math == FALSE){/* add this stuff only once...*/
		1211	add_to_js_math(js_include_file);
		1212	use_js_math = TRUE;
		1213	}
		1214	if( use_js_plot == FALSE){
		1215	use_js_plot = TRUE;
		1216	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1217	}
		1218	break;
7614	schaersvoo	1219	case USERDRAW:
		1220	/*
		1221	@ userdraw object_type,color
8244	schaersvoo	1222	@ 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	1223	@ 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	1224	@ 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	1225	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1226	@ 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)
		1227	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1228	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1229	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1230	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1231	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1232	@ 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	1233	*/
		1234	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1235	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1236	}
8074	schaersvoo	1237	reply_precision = precision;
7614	schaersvoo	1238	use_userdraw = TRUE;
8130	schaersvoo	1239	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	1240	draw_type = get_string_argument(infile,0);
		1241	stroke_color = get_color(infile,1);
		1242	if( strcmp(draw_type,"point") == 0 ){
		1243	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1244	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1245	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1246	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1247	if(use_input_xy == 1){
7652	schaersvoo	1248	add_input_circle(js_include_file,1,1);
		1249	add_input_xy(js_include_file,canvas_root_id);
		1250	}
7614	schaersvoo	1251	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);
		1252	}
		1253	else
		1254	if( strcmp(draw_type,"points") == 0 ){
		1255	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1256	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1257	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1258	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1259	if(use_input_xy == 1){
7652	schaersvoo	1260	add_input_circle(js_include_file,1,2);
		1261	add_input_xy(js_include_file,canvas_root_id);
		1262	}
7614	schaersvoo	1263	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);
		1264	}
		1265	else
		1266	if( strcmp(draw_type,"segment") == 0 ){
		1267	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1268	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1269	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1270	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1271	if(use_input_xy == 1){
7652	schaersvoo	1272	add_input_segment(js_include_file,1);
		1273	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1274	}
7614	schaersvoo	1275	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1276	}
		1277	else
7663	schaersvoo	1278	if( strcmp(draw_type,"polyline") == 0 ){
		1279	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1280	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1281	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1282	if( use_input_xy == 1 ){
		1283	add_input_polyline(js_include_file);
		1284	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1285	}
		1286	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1287	}
		1288	else
7614	schaersvoo	1289	if( strcmp(draw_type,"segments") == 0 ){
		1290	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1291	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1292	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1293	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1294	if(use_input_xy == 1){
7652	schaersvoo	1295	add_input_segment(js_include_file,2);
		1296	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1297	}
7614	schaersvoo	1298	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1299	}
		1300	else
		1301	if( strcmp(draw_type,"circle") == 0 ){
		1302	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1303	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1304	/* 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	1305	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1306	if(use_input_xy == 1){
7652	schaersvoo	1307	add_input_circle(js_include_file,2,1);
		1308	add_input_xyr(js_include_file,canvas_root_id);
		1309	}
7614	schaersvoo	1310	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]);
		1311	}
		1312	else
		1313	if( strcmp(draw_type,"circles") == 0 ){
		1314	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1315	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1316	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1317	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	1318	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1319	if(use_input_xy == 1){
7652	schaersvoo	1320	add_input_circle(js_include_file,2,2);
		1321	add_input_xyr(js_include_file,canvas_root_id);
		1322	}
7614	schaersvoo	1323	}
		1324	else
		1325	if(strcmp(draw_type,"crosshair") == 0 ){
		1326	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1327	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1328	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1329	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1330	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1331	if(use_input_xy == 1){
7654	schaersvoo	1332	add_input_crosshair(js_include_file,1);
		1333	add_input_xy(js_include_file,canvas_root_id);
		1334	}
7614	schaersvoo	1335	}
		1336	else
		1337	if(strcmp(draw_type,"crosshairs") == 0 ){
		1338	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1339	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1340	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1341	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1342	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1343	if(use_input_xy == 1){
7654	schaersvoo	1344	add_input_crosshair(js_include_file,2);
		1345	add_input_xy(js_include_file,canvas_root_id);
		1346	}
7614	schaersvoo	1347	}
		1348	else
		1349	if(strcmp(draw_type,"freehandline") == 0 ){
		1350	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1351	if(reply_format == 0){reply_format = 6;}
8224	bpr	1352	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	1353	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1354	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1355	}
		1356	else
		1357	if(strcmp(draw_type,"freehandlines") == 0 ){
		1358	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1359	if(reply_format == 0){reply_format = 6;}
8224	bpr	1360	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	1361	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1362	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1363	}
		1364	else
		1365	if(strcmp(draw_type,"path") == 0 ){
		1366	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1367	if(reply_format == 0){reply_format = 6;}
8224	bpr	1368	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	1369	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1370	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1371	}
		1372	else
		1373	if(strcmp(draw_type,"paths") == 0 ){
		1374	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1375	if(reply_format == 0){reply_format = 6;}
8224	bpr	1376	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	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	}
		1380	else
		1381	if(strcmp(draw_type,"arrows") == 0 ){
		1382	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1383	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1384	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	1385	if(use_input_xy == 1){
7654	schaersvoo	1386	add_input_arrow(js_include_file,2);
		1387	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1388	}
8071	schaersvoo	1389	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1390	}
		1391	else
7874	schaersvoo	1392	if(strcmp(draw_type,"arrows2") == 0 ){
		1393	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1394	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1395	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	1396	if(use_input_xy == 1){
7874	schaersvoo	1397	add_input_arrow(js_include_file,1);
		1398	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1399	}
8071	schaersvoo	1400	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1401	}
		1402	else
		1403	if(strcmp(draw_type,"arrow2") == 0 ){
		1404	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1405	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1406	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	1407	if(use_input_xy == 1){
7874	schaersvoo	1408	add_input_arrow(js_include_file,1);
		1409	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1410	}
8071	schaersvoo	1411	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1412	}
		1413	else
7614	schaersvoo	1414	if(strcmp(draw_type,"arrow") == 0 ){
		1415	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1416	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1417	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	1418	if(use_input_xy == 1){
7654	schaersvoo	1419	add_input_arrow(js_include_file,1);
		1420	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1421	}
8071	schaersvoo	1422	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1423	}
		1424	else
		1425	if(strcmp(draw_type,"polygon") == 0){
		1426	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1427	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1428	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	1429	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1430	if(use_input_xy == 2){
7780	schaersvoo	1431	add_textarea_polygon(js_include_file);
		1432	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1433	}
7614	schaersvoo	1434	}
8224	bpr	1435	else
7614	schaersvoo	1436	if(strncmp(draw_type,"poly",4) == 0){
		1437	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1438	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1439	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1440	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	1441	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1442	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1443	}
8224	bpr	1444	else
7614	schaersvoo	1445	if(strcmp(draw_type,"triangle") == 0){
		1446	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1447	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1448	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	1449	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1450	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1451	}
8224	bpr	1452	else
7989	schaersvoo	1453	if( strcmp(draw_type,"hline") == 0 ){
		1454	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1455	if(reply_format == 0){reply_format = 11;}
		1456	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1457	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1458	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1459	}
		1460	else
		1461	if( strcmp(draw_type,"hlines") == 0 ){
		1462	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1463	if(reply_format == 0){reply_format = 11;}
		1464	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1465	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1466	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1467	}
		1468	else
		1469	if( strcmp(draw_type,"vline") == 0 ){
		1470	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1471	if(reply_format == 0){reply_format = 11;}
		1472	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1473	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1474	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1475	}
		1476	else
		1477	if( strcmp(draw_type,"vlines") == 0 ){
		1478	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1479	if(reply_format == 0){reply_format = 11;}
		1480	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1481	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1482	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1483	}
		1484	else
7614	schaersvoo	1485	if( strcmp(draw_type,"line") == 0 ){
		1486	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1487	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1488	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1489	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1490	if( use_input_xy == 1 ){
7780	schaersvoo	1491	add_input_line(js_include_file,1);
7747	schaersvoo	1492	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1493	}
8071	schaersvoo	1494	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1495	}
		1496	else
		1497	if( strcmp(draw_type,"lines") == 0 ){
		1498	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1499	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1500	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1501	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1502	if( use_input_xy == 1 ){
7780	schaersvoo	1503	add_input_line(js_include_file,2);
7747	schaersvoo	1504	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1505	}
8071	schaersvoo	1506	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1507	}
		1508	else
8244	schaersvoo	1509	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1510	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1511	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1512	if(reply_format == 0){reply_format = 11;}
		1513	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1514	if( use_input_xy == 1 ){
		1515	add_input_demiline(js_include_file,2);
		1516	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1517	}
		1518	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1519	}
		1520	else
		1521	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1522	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1523	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1524	if(reply_format == 0){reply_format = 11;}
		1525	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1526	if( use_input_xy == 1 ){
		1527	add_input_demiline(js_include_file,1);
		1528	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1529	}
		1530	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1531	}
		1532	else
7614	schaersvoo	1533	if( strcmp(draw_type,"rects") == 0){
		1534	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1535	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1536	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	1537	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1538	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1539	}
8224	bpr	1540	else
7614	schaersvoo	1541	if( strcmp(draw_type,"roundrects") == 0){
		1542	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1543	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1544	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	1545	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1546	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1547	}
8224	bpr	1548	else
7614	schaersvoo	1549	if( strcmp(draw_type,"rect") == 0){
		1550	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1551	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1552	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	1553	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1554	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1555	}
8224	bpr	1556	else
7614	schaersvoo	1557	if( strcmp(draw_type,"roundrect") == 0){
		1558	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1559	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1560	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	1561	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1562	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1563	}
		1564	else
8083	schaersvoo	1565	if( strcmp(draw_type,"arcs") == 0){
		1566	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1567	if(reply_format == 0){reply_format = 25;}
		1568	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]);
		1569	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1570	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1571	}
		1572	else
8071	schaersvoo	1573	if( strcmp(draw_type,"arc") == 0){
		1574	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1575	if(reply_format == 0){reply_format = 25;}
		1576	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	1577	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1578	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1579	}
		1580	else
7614	schaersvoo	1581	if( strcmp(draw_type,"text") == 0){
8224	bpr	1582	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1583	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1584	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1585	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1586	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1587	}
8116	schaersvoo	1588	else
		1589	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1590	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1591	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1592	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1593	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1594	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1595	}
		1596	else
		1597	if( strcmp(draw_type,"input") == 0){
8224	bpr	1598	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1599	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1600	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1601	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1602	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1603	}
8193	schaersvoo	1604	else
7614	schaersvoo	1605	{
		1606	canvas_error("unknown drawtype or typo? ");
		1607	}
		1608	reset();
		1609	break;
		1610	case PLOTSTEPS:
		1611	/*
		1612	@ plotsteps a_number
		1613	@ default 150
		1614	@ use with care !
		1615	*/
		1616	plot_steps = (int) (get_real(infile,1));
		1617	break;
		1618	case FONTSIZE:
		1619	/*
		1620	@fontsize font_size
		1621	@default value 12
		1622	*/
		1623	font_size = (int) (get_real(infile,1));
		1624	break;
		1625	case FONTCOLOR:
		1626	/*
		1627	@fontcolor color
		1628	@color: hexcolor or colorname
		1629	@default: black
		1630	@example usage: x/y-axis text
		1631	*/
		1632	font_color = get_color(infile,1);
		1633	break;
		1634	case ANIMATE:
		1635	/*
		1636	@animate type
8109	schaersvoo	1637	@REMOVED : this should be done with a slider
7614	schaersvoo	1638	@type may be "point" (nothing else , yet...)
		1639	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1640	@will animate a point on the next plot/curve command
		1641	@the curve will not be draw
		1642	@moves repeatedly from xmin to xmax
		1643	*/
		1644	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1645	break;
7788	schaersvoo	1646	case LEVELCURVE:
		1647	/*
		1648	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1649	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1650	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1651	@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
		1652	@note : the arrays for holding the javascript data are limited in size
		1653	@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	1654	*/
7792	schaersvoo	1655	fill_color = get_color(infile,0);
7788	schaersvoo	1656	char *fun1 = get_string_argument(infile,0);
		1657	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1658	i = 0;
		1659	done = FALSE;
		1660	while( !done ){
		1661	double_data[i] = get_real(infile,1);
		1662	i++;
		1663	}
		1664	for(c = 0 ; c < i; c++){
8097	schaersvoo	1665	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	1666	click_cnt++;
		1667	}
		1668	reset();
		1669	break;
7858	schaersvoo	1670	case TRACE_JSCURVE:
7823	schaersvoo	1671	/*
7858	schaersvoo	1672	@trace_jscurve some_math_function
7823	schaersvoo	1673	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1674	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1675	@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	1676	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1677	@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	1678	*/
		1679	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1680	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1681	if( use_js_math == FALSE){
		1682	add_to_js_math(js_include_file);
		1683	use_js_math = TRUE;
		1684	}
7823	schaersvoo	1685	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);
		1686	break;
		1687	case JSMATH:
		1688	/*
7858	schaersvoo	1689	@jsmath some_math_function
7856	schaersvoo	1690	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1691	@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	1692	@example: jsmath sin(x^2)
		1693	@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	1694	*/
		1695	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1696	if( use_js_math == FALSE){
		1697	add_to_js_math(js_include_file);
		1698	use_js_math = TRUE;
		1699	}
7823	schaersvoo	1700	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1701	break;
7858	schaersvoo	1702	case JSCURVE:
		1703	/*
		1704	@jscurve color,formula(x)
		1705	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1706	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1707	@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	1708	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1709	@no validity check is done by wims.
		1710	@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
		1711	@use command 'trace_jscurve formula(x)` for tracing
		1712	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1713	@can not be set draggable / onclick (yet)
8224	bpr	1714	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1715	*/
		1716	stroke_color = get_color(infile,0);
		1717	if( use_js_math == FALSE){/* add this stuff only once...*/
		1718	add_to_js_math(js_include_file);
		1719	use_js_math = TRUE;
		1720	}
		1721	if( use_js_plot == FALSE){
		1722	use_js_plot = TRUE;
		1723	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1724	}
		1725	temp = get_string_argument(infile,1);
		1726	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]);
		1727	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1728	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]);
		1729	add_to_buffer(tmp_buffer);
		1730	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1731
		1732	break;
7614	schaersvoo	1733	case CURVE:
		1734	/*
		1735	@curve color,formula(x)
		1736	@plot color,formula(x)
		1737	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1738	@use command "precision" to increase the number of digits of the plotted points
		1739	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1740	@may be set draggable / onclick
		1741	*/
		1742	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1743	use_parametric = FALSE;
		1744	stroke_color = get_color(infile,0);
		1745	char *fun1 = get_string_argument(infile,0);
		1746	char *fun2 = get_string_argument(infile,1);
		1747	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1748	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	1749	click_cnt++;
		1750	}
		1751	else
		1752	{
		1753	stroke_color = get_color(infile,0);
		1754	char *fun1 = get_string_argument(infile,1);
8224	bpr	1755	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1756	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	1757	click_cnt++;
		1758	}
7788	schaersvoo	1759	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1760	reset();
		1761	break;
		1762	case FLY_TEXT:
		1763	/*
		1764	@ text fontcolor,x,y,font,text_string
		1765	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1766	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1767	@ may be set "onclick" or "drag xy"
		1768	@ backwards compatible with flydraw
		1769	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1770	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1771	@ 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	1772	*/
		1773	for(i = 0; i < 5 ;i++){
		1774	switch(i){
		1775	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1776	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1777	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1778	case 3: fly_font = get_string_argument(infile,0);
		1779	if(strcmp(fly_font,"giant") == 0){
		1780	font_size = (int)(font_size + 24);
		1781	}
		1782	else
		1783	{
		1784	if(strcmp(fly_font,"huge") == 0){
		1785	font_size = (int)(font_size + 14);
		1786	}
		1787	else
		1788	{
		1789	if(strcmp(fly_font,"large") == 0){
		1790	font_size = (int)(font_size + 6);
		1791	}
		1792	else
		1793	{
		1794	if(strcmp(fly_font,"small") == 0){
		1795	font_size = (int)(font_size - 4);
		1796	if(font_size<0){font_size = 8;}
		1797	}
		1798	}
		1799	}
		1800	}
		1801	break; /* font_size ! */
8224	bpr	1802	case 4:
7614	schaersvoo	1803	temp = get_string_argument(infile,1);
		1804	decimals = find_number_of_digits(precision);
8097	schaersvoo	1805	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	1806	click_cnt++;reset();break;
		1807	default:break;
		1808	}
		1809	}
		1810	break;
		1811	case FLY_TEXTUP:
		1812	/*
		1813	@ textup fontcolor,x,y,font,text_string
		1814	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1815	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1816	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1817	@ backwards compatible with flydraw
		1818	@ unicode supported: textup red,0,0,huge,\\u2232
		1819	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1820	@ 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	1821	*/
8224	bpr	1822	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1823	for(i = 0; i<5 ;i++){
		1824	switch(i){
		1825	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1826	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1827	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1828	case 3: fly_font = get_string_argument(infile,0);
		1829	if(strcmp(fly_font,"giant") == 0){
		1830	font_size = (int)(font_size + 24);
		1831	}
		1832	else
		1833	{
		1834	if(strcmp(fly_font,"huge") == 0){
		1835	font_size = (int)(font_size + 14);
		1836	}
		1837	else
		1838	{
		1839	if(strcmp(fly_font,"large") == 0){
		1840	font_size = (int)(font_size + 6);
		1841	}
		1842	else
		1843	{
		1844	if(strcmp(fly_font,"small") == 0){
		1845	font_size = (int)(font_size - 4);
		1846	if(font_size<0){font_size = 8;}
		1847	}
		1848	}
		1849	}
		1850	}
		1851	break; /* font_size ! */
8224	bpr	1852	case 4:
7614	schaersvoo	1853	decimals = find_number_of_digits(precision);
		1854	temp = get_string_argument(infile,1);
8071	schaersvoo	1855	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	1856	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1857	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	1858	add_to_buffer(tmp_buffer);
		1859	break;
		1860	default:break;
		1861	}
		1862	}
		1863	reset();
		1864	break;
		1865	case FONTFAMILY:
		1866	/*
		1867	@ fontfamily font_description
		1868	@ set the font family; for browsers that support it
		1869	@ font_description: Ariel ,Courier, Helvetica etc
		1870	@ 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
		1871	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1872	*/
		1873	font_family = get_string(infile,1);
		1874	break;
		1875	case STRINGUP:
8224	bpr	1876	/*
		1877	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1878	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1879	@ unicode supported: stringup red,0,0,45,\\u2232
		1880	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1881
		1882	*/
		1883	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1884	for(i=0;i<6;i++){
		1885	switch(i){
		1886	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1887	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1888	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1889	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1890	case 4: decimals = find_number_of_digits(precision);
		1891	temp = get_string_argument(infile,1);
8071	schaersvoo	1892	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	1893	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1894	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	1895	add_to_buffer(tmp_buffer);
		1896	break;
		1897	default:break;
		1898	}
		1899	}
		1900	reset();
		1901	break;
		1902	case STRING:
8224	bpr	1903	/*
7614	schaersvoo	1904	@ string color,x,y,the text string
		1905	@ may be set "onclick" or "drag xy"
		1906	@ unicode supported: string red,0,0,\\u2232
8224	bpr	1907	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1908	*/
		1909	for(i=0;i<5;i++){
		1910	switch(i){
		1911	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1912	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1913	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1914	case 3: decimals = find_number_of_digits(precision);
		1915	temp = get_string_argument(infile,1);
		1916	decimals = find_number_of_digits(precision);
8097	schaersvoo	1917	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	1918	click_cnt++;reset();break;
		1919	default:break;
		1920	}
		1921	}
		1922	break;
7983	schaersvoo	1923	case CENTERSTRING:
8224	bpr	1924	/*
7983	schaersvoo	1925	@ centerstring color,y-value,the text string
7984	schaersvoo	1926	@ title color,y-value,the text string
7983	schaersvoo	1927	@ draw a string centered on the canvas at y = y-value
		1928	@ can not set "onclick" or "drag xy" (...)
		1929	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	1930	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	1931	*/
		1932	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		1933	for(i=0;i<3;i++){
		1934	switch(i){
		1935	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1936	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		1937	case 2: temp = get_string_argument(infile,1);
		1938	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		1939	decimals = find_number_of_digits(precision);
		1940	string_length = snprintf(NULL,0,
		1941	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1942	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1943	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);
		1944	add_to_buffer(tmp_buffer);
		1945	break;
		1946	default:break;
		1947	}
		1948	}
		1949	break;
7614	schaersvoo	1950	case MATHML:
		1951	/*
		1952	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	1953	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1954	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	1955	@ 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	1956	@ 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	1957
7614	schaersvoo	1958	*/
		1959	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1960	for(i=0;i<5;i++){
		1961	switch(i){
		1962	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1963	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1964	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1965	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1966	case 4: decimals = find_number_of_digits(precision);
8224	bpr	1967	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1968	temp = get_string(infile,1);
		1969	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1970	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);
		1971	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1972	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);
		1973	add_to_buffer(tmp_buffer);
8224	bpr	1974	/*
		1975	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1976	if no other reply_format is defined
		1977	note: all other reply types will include a reading of elements with id='mathml'+p)
		1978	*/
		1979	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	1980	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	1981	}
		1982	break;
		1983	default:break;
		1984	}
		1985	}
		1986	reset();
		1987	break;
		1988	case HTTP:
		1989	/*
		1990	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	1991	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1992	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1993	@can not be 'set onclick' or 'drag xy'
		1994	*/
8224	bpr	1995	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1996	for(i=0;i<5;i++){
		1997	switch(i){
		1998	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1999	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2000	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2001	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2002	case 4: decimals = find_number_of_digits(precision);
		2003	temp = get_string(infile,1);
		2004	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		2005	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);
		2006	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2007	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);
		2008	add_to_buffer(tmp_buffer);
		2009	break;
		2010	}
		2011	}
		2012	reset();
		2013	break;
		2014	case HTML:
		2015	/*
		2016	@ html x1,y1,x2,y2,html_string
		2017	@ all tags are allowed
		2018	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		2019	@ 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	2020
7614	schaersvoo	2021	note: uses the same code as 'mathml'
		2022	*/
		2023	break;
		2024	case X_AXIS_STRINGS:
		2025	/*
		2026	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2027	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2028	@ use these x-axis values in stead of default xmin...xmax
		2029	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2030	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		2031	@ 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
		2032	@ 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
		2033	*/
		2034	temp = get_string(infile,1);
		2035	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2036	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2037	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		2038	use_axis_numbering = 1;
		2039	break;
		2040	case Y_AXIS_STRINGS:
		2041	/*
		2042	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2043	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2044	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2045	@ use these y-axis values in stead of default ymin...ymax
		2046	@ 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
		2047	*/
		2048	temp = get_string(infile,1);
		2049	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2050	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2051	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		2052	use_axis_numbering = 1;
		2053	break;
8224	bpr	2054
7614	schaersvoo	2055	case AXIS_NUMBERING:
		2056	/*
8224	bpr	2057	@ axisnumbering
8101	schaersvoo	2058	@ keyword, no arguments required
7614	schaersvoo	2059	*/
		2060	use_axis_numbering = 1;
		2061	break;
		2062	case AXIS:
		2063	/*
		2064	@ axis
8101	schaersvoo	2065	@ keyword, no arguments required
7614	schaersvoo	2066
		2067	*/
		2068	use_axis = TRUE;
		2069	break;
8101	schaersvoo	2070	case KILLSLIDER:
		2071	/*
		2072	@ killslider
		2073	@ keyword, no arguments required
		2074	@ ends grouping of object under a preciously defined slider
		2075	*/
		2076	slider = 0;
		2077	break;
8071	schaersvoo	2078	case SLIDER:
		2079	/*
8097	schaersvoo	2080	@ slider start_value,end_value,width px,height px,type,label
		2081	@ type: xy,x,y,angle
8112	schaersvoo	2082	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		2083	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	2084	@ use commmand 'slider' before draggable/clickable objects.
		2085	@ 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	2086	@ amount of sliders is not limited.
8101	schaersvoo	2087	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	2088	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		2089	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	2090	@ label: some slider text
		2091	@ use fillcolor for slider ball
		2092	@ use strokecolor for slider bar
8097	schaersvoo	2093	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	2094	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	2095	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	2096	*/
		2097	for(i=0; i<6 ; i++){
		2098	switch(i){
		2099	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		2100	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		2101	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		2102	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	2103	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	2104	/* xy display*/
		2105	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	2106	slider = 4;
		2107	}
		2108	else
		2109	{
8112	schaersvoo	2110	if(strstr(temp,"x") != 0){
8097	schaersvoo	2111	slider = 1;
		2112	}
		2113	else
		2114	{
8112	schaersvoo	2115	if(strstr(temp,"y") != 0){
8097	schaersvoo	2116	slider = 2;
		2117	}
		2118	else
		2119	{
8112	schaersvoo	2120	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2121	slider = 3;
		2122	}
		2123	else
8112	schaersvoo	2124	{
8097	schaersvoo	2125	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2126	}
8097	schaersvoo	2127	}
		2128	}
		2129	}
8112	schaersvoo	2130	if(strstr(temp,"display")!=0){
		2131	use_slider_display = 1; /* show x xy values in canvas window */
		2132	}
		2133	else
		2134	{
		2135	if(strstr(temp,"degree")!= 0){
		2136	use_slider_display = 2; /* show angle values in canvas window */
		2137	}
		2138	else
		2139	{
		2140	if(strstr(temp,"radian")!=0){
		2141	use_slider_display = 3; /* show radian values in canvas window */
		2142	}
		2143	}
		2144	}
		2145	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2146	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2147	}
8097	schaersvoo	2148	break;
		2149	case 5: /* some string used for slider description */
8071	schaersvoo	2150	slider_cnt++;
8097	schaersvoo	2151	if(slider == 4){
8112	schaersvoo	2152	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	2153	}else{
8112	schaersvoo	2154	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	2155	}
8071	schaersvoo	2156	break;
		2157	}
8097	schaersvoo	2158	}
8071	schaersvoo	2159	break;
7654	schaersvoo	2160	case SGRAPH:
		2161	/*
		2162	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2163	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2164	@ 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	2165	@ 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	2166	*/
8224	bpr	2167	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2168	for(i = 0 ; i < 8 ;i++){
		2169	switch(i){
		2170	case 0:double_data[0] = get_real(infile,0);break;
		2171	case 1:double_data[1] = get_real(infile,0);break;
		2172	case 2:double_data[2] = get_real(infile,0);break;
		2173	case 3:double_data[3] = get_real(infile,0);break;
		2174	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2175	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2176	case 6:stroke_color = get_color(infile,0);break;
		2177	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2178	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	2179	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2180	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	2181	add_to_buffer(tmp_buffer);
		2182	break;
		2183	default:break;
		2184	}
		2185	}
		2186	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2187	break;
7614	schaersvoo	2188	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2189	/*
		2190	@ grid step_x,step_y,gridcolor
		2191	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2192	@ 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	2193	@ 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	2194	@ can not be set "onclick" or "drag xy"
		2195	@ 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')
		2196	@ 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')
		2197	@ 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')
		2198	*/
7729	schaersvoo	2199	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2200	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2201	for(i=0;i<4;i++){
		2202	switch(i){
		2203	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2204	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2205	case 2:
		2206	if( use_axis == TRUE ){
		2207	stroke_color = get_color(infile,0);
		2208	done = FALSE;
		2209	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2210	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2211	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2212	fill_color = get_color(infile,1); /* used as axis_color*/
		2213	}
		2214	else
		2215	{
		2216	int_data[0] = 1;
		2217	int_data[1] = 1;
		2218	stroke_color = get_color(infile,1);
		2219	fill_color = stroke_color;
		2220	}
		2221	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	2222	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2223	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2224	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	2225	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2226	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	2227	add_to_buffer(tmp_buffer);
		2228	break;
		2229	}
		2230	}
		2231	reset();
		2232	break;
		2233	case OPACITY:
		2234	/*
		2235	@ opacity 0-255,0-255
		2236	@
		2237	*/
		2238	for(i = 0 ; i<2;i++){
		2239	switch(i){
		2240	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2241	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2242	default: break;
		2243	}
		2244	}
		2245	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 ? */
		2246	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2247	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2248	break;
		2249	case ROTATE:
		2250	/*
		2251	@rotate rotation_angle
8097	schaersvoo	2252	@angle in degrees
7614	schaersvoo	2253	*/
		2254	use_rotate = TRUE;
8097	schaersvoo	2255	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2256	break;
7785	schaersvoo	2257	case KILLAFFINE:
		2258	/*
		2259	@ killaffine
		2260	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2261	*/
		2262	use_affine = FALSE;
8224	bpr	2263	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2264	break;
		2265	case AFFINE:
		2266	/*
		2267	@affine a,b,c,d,tx,ty
8224	bpr	2268	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2269	@ use keyword 'killaffine' to end the transformation
		2270	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2271	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2272	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2273	@ a : Scales the drawings horizontally
		2274	@ b : Skews the drawings horizontally
		2275	@ c : Skews the drawings vertically
		2276	@ d : Scales the drawings vertically
8071	schaersvoo	2277	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2278	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2279	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2280	*/
		2281	for(i = 0 ; i<6;i++){
		2282	switch(i){
		2283	case 0: double_data[0] = get_real(infile,0);break;
		2284	case 1: double_data[1] = get_real(infile,0);break;
		2285	case 2: double_data[2] = get_real(infile,0);break;
		2286	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2287	case 4: double_data[4] = get_real(infile,0);break;
		2288	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2289	use_affine = TRUE;
8071	schaersvoo	2290	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	2291	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2292	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	2293	break;
7785	schaersvoo	2294	default: break;
		2295	}
		2296	}
		2297	break;
7614	schaersvoo	2298	case KILLTRANSLATION:
		2299	/*
		2300	killtranslation
		2301	*/
8071	schaersvoo	2302	use_affine = FALSE;
8224	bpr	2303	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2304	break;
		2305	case TRANSLATION:
		2306	/*
		2307	@translation tx,ty
8071	schaersvoo	2308	@will translate the next object tx in xrange and ty in yrange
		2309	@uase command 'killtranstation' to end the command
7614	schaersvoo	2310	*/
8071	schaersvoo	2311	for(i = 0 ; i<2;i++){
		2312	switch(i){
		2313	case 0: double_data[0] = get_real(infile,0);break;
		2314	case 1: double_data[1] = get_real(infile,1);
		2315	use_affine = TRUE;
		2316	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2317	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2318	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2319	break;
		2320	default: break;
		2321	}
		2322	}
		2323	break;
		2324
7614	schaersvoo	2325	case DASHED:
		2326	/*
		2327	@ keyword "dashed"
		2328	@ next object will be drawn with a dashed line
		2329	@ change dashing scheme by using command "dashtype int,int)
		2330	*/
		2331	use_dashed = TRUE;
		2332	break;
		2333	case FILLED:
		2334	/*
8224	bpr	2335	@ keyword "filled"
		2336	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2337	@ use command "fillcolor color" to set fillcolor
		2338	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2339	@ 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 !
		2340	*/
		2341	use_filled = TRUE;
		2342	break;
		2343	case STYLE:
		2344	/*
		2345	@highlight color,opacity,linewidth
		2346	@ NOT IMPLEMENTED
		2347	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2348	*/
		2349	break;
		2350	case FILLCOLOR:
		2351	/*
		2352	@ fillcolor colorname or #hex
		2353	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2354	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2355	*/
		2356	fill_color = get_color(infile,1);
		2357	break;
		2358	case STROKECOLOR:
		2359	/*
		2360	@ strokecolor colorname or #hex
		2361	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2362	*/
		2363	stroke_color = get_color(infile,1);
		2364	break;
8224	bpr	2365	case BGIMAGE:
7614	schaersvoo	2366	/*
		2367	@bgimage image_location
		2368	@use an image as background .<br />(we use the background of 'canvas_div' )
		2369	@the background image will be resized to match "width = xsize" and "height = ysize"
		2370	*/
		2371	URL = get_string(infile,1);
		2372	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);
		2373	break;
8224	bpr	2374	case BGCOLOR:
7614	schaersvoo	2375	/*
		2376	@bgcolor colorname or #hex
		2377	@use this color as background of the "div" containing the canvas(es)
		2378	*/
		2379	/* [255,255,255]*/
		2380	bgcolor = get_string(infile,1);
		2381	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2382	int found = 0;
		2383	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2384	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2385	bgcolor = colors[i].hex;
		2386	found = 1;
		2387	break;
		2388	}
		2389	}
		2390	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2391	}
		2392	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2393	break;
		2394	case COPY:
		2395	/*
		2396	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2397	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2398	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2399	@ [filename] is the URL of the image
7614	schaersvoo	2400	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2401	@ 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	2402	@ 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	2403
		2404	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2405	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2406	*/
		2407	for(i = 0 ; i<7;i++){
		2408	switch(i){
		2409	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2410	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2411	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2412	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2413	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2414	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2415	case 6: URL = get_string(infile,1);
		2416	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2417	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2418	if( drag_type > -1 ){
		2419	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2420	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2421	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);
		2422	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2423	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	2424	drag_type = -1;
		2425	ext_img_cnt++;
		2426	}
		2427	else
		2428	{
		2429	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2430	/*
		2431	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2432	*/
		2433	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]);
		2434	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2435	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]);
		2436	}
		2437	add_to_buffer(tmp_buffer);
		2438	break;
		2439	default: break;
		2440	}
		2441	}
		2442	reset();
		2443	break;
		2444	/*
		2445	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2446	img Specifies the image, canvas, or video element to use
		2447	sx The x coordinate where to start clipping : x1 = int_data[0]
		2448	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2449	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2450	sheight The height of the clipped image : int_data[3] - int_data[1]
		2451	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2452	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2453	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2454	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2455	*/
		2456	case COPYRESIZED:
		2457	/*
		2458	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2459	@ 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	2460	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2461	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2462	@ 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	2463	@ 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	2464	*/
		2465	for(i = 0 ; i<9;i++){
		2466	switch(i){
		2467	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2468	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2469	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2470	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2471	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2472	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2473	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2474	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2475	case 8: URL = get_string(infile,1);
		2476	if( drag_type > -1 ){
		2477	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2478	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2479	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);
		2480	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2481	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);
		2482	drag_type = -1;
		2483	ext_img_cnt++;
		2484	}
		2485	else
		2486	{
		2487	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2488	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]);
		2489	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2490	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]);
		2491	}
		2492	add_to_buffer(tmp_buffer);
		2493	default: break;
		2494	}
		2495	}
		2496	reset();
		2497	break;
8146	schaersvoo	2498	case CLEARBUTTON:
7614	schaersvoo	2499	/*
8146	schaersvoo	2500	@clearbutton value
		2501	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2502	@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	2503	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2504	@use command 'inputstyle' to style the button...
7614	schaersvoo	2505	*/
8146	schaersvoo	2506	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2507	break;
		2508	case INPUTSTYLE:
		2509	/*
		2510	@ inputstyle style_description
		2511	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2512	*/
		2513	input_style = get_string(infile,1);
		2514	break;
		2515	case INPUT:
8224	bpr	2516	/*
7614	schaersvoo	2517	@ input x,y,size,editable,value
8224	bpr	2518	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2519	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2520	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2521	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2522	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2523	*/
8224	bpr	2524	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2525	for(i = 0 ; i<5;i++){
		2526	switch(i){
		2527	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2528	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2529	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2530	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2531	case 4:
7614	schaersvoo	2532	temp = get_string_argument(infile,1);
		2533	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);
		2534	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2535	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);
		2536	add_to_buffer(tmp_buffer);
		2537	input_cnt++;break;
		2538	default: break;
		2539	}
		2540	}
7876	schaersvoo	2541	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2542	reset();
		2543	break;
		2544	case TEXTAREA:
8224	bpr	2545	/*
7614	schaersvoo	2546	@ textarea x,y,cols,rows,readonly,value
		2547	@ may be further controlled by "inputstyle"
8224	bpr	2548	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2549	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2550	*/
8224	bpr	2551	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2552	for(i = 0 ; i<6;i++){
		2553	switch(i){
		2554	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2555	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2556	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2557	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2558	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2559	case 5: temp = get_string_argument(infile,1);
		2560	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);
		2561	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2562	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);
		2563	add_to_buffer(tmp_buffer);
		2564	input_cnt++;break;
		2565	default: break;
		2566	}
		2567	}
7876	schaersvoo	2568	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2569	reset();
		2570	break;
		2571	case MOUSE_PRECISION:
		2572	/*
		2573	@ precision int
8074	schaersvoo	2574	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2575	@ may be used / changed before every object
8074	schaersvoo	2576	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2577	*/
		2578	precision = (int) (get_real(infile,1));
8074	schaersvoo	2579	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2580	break;
7838	schaersvoo	2581	case SETLIMITS:
		2582	/*
8224	bpr	2583	@setlimits
7838	schaersvoo	2584	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2585	@may be used for inputfield based zooming / panning
7858	schaersvoo	2586	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2587	@note:the input value will not be checked on validity
7838	schaersvoo	2588	*/
7956	schaersvoo	2589	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2590	add_setlimits(js_include_file,canvas_root_id);
		2591	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2592	use_pan_and_zoom = TRUE;
		2593	done = TRUE;
		2594	break;
7614	schaersvoo	2595	case ZOOM:
		2596	/*
		2597	@ zoom button_color
		2598	@ introduce a controlpanel at the lower right corner
		2599	@ 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
		2600	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2601	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2602	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2603	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2604	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2605	@ 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 !!
		2606	*/
7653	schaersvoo	2607	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2608	use_pan_and_zoom = TRUE;
7988	schaersvoo	2609	stroke_color = get_color(infile,1);
7614	schaersvoo	2610	/* we use BG_CANVAS (0) */
7988	schaersvoo	2611	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2612	done = TRUE;
		2613	break;
		2614	case ONCLICK:
		2615	/*
		2616	@ onclick
		2617	@ keyword, no arguments
		2618	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2619	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2620	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2621	*/
8257	schaersvoo	2622	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2623	onclick = 1;
		2624	break;
		2625	case DRAG:
		2626	/*
		2627	@ drag [x][y][xy]
		2628	@ the next object will be draggable in x / y / xy direction
		2629	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2630	@ 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	2631	@ 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	2632	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2633	@ 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	2634	@ 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 !!
		2635	*/
		2636	temp = get_string(infile,1);
8224	bpr	2637	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2638	drag_type = 0;
		2639	}
		2640	else
		2641	{
8224	bpr	2642	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2643	drag_type = 1;
		2644	}
		2645	else
		2646	{
		2647	drag_type = 2;
		2648	}
		2649	}
8257	schaersvoo	2650	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2651	onclick = 2;
8257	schaersvoo	2652
7614	schaersvoo	2653	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2654	break;
		2655	case BLINK:
		2656	/*
		2657	@ blink time(seconds)
		2658	@ NOT IMPLEMETED -YET
		2659	*/
		2660	break;
7996	schaersvoo	2661	case XUNIT:
		2662	/*
		2663	@ xunit some_unit_for_x-values
		2664	@ unicode allowed (no html code)
		2665	@ use together with command mousex
		2666	@ will display the cursor x-coordinate 'unit'
		2667	*/
		2668	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2669	break;
		2670	case YUNIT:
		2671	/*
		2672	@ yunit some_unit_for_y-values
		2673	@ unicode allowed (no html code)
		2674	@ use together with command mousex
		2675	@ will display the cursor y-coordinate 'unit'
		2676	*/
		2677	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2678	break;
8071	schaersvoo	2679	case MOUSE_DISPLAY:
		2680	/*
8129	schaersvoo	2681	@display x\|y\|xy\|degree\|radius,color,fontsize
		2682	@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)
		2683	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2684	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2685	*/
		2686	temp = get_string_argument(infile,0);
8112	schaersvoo	2687	if( strstr(temp,"xy") != NULL ){
		2688	int_data[0] = 2;
8071	schaersvoo	2689	}else{
8112	schaersvoo	2690	if( strstr(temp,"y") != NULL ){
		2691	int_data[0] = 1;
8071	schaersvoo	2692	}else{
8112	schaersvoo	2693	if( strstr(temp,"x") != NULL ){
		2694	int_data[0] = 0;
8129	schaersvoo	2695	}else{
8112	schaersvoo	2696	if(strstr(temp,"degree") != NULL){
		2697	int_data[0] = 3;
8071	schaersvoo	2698	}else{
8129	schaersvoo	2699	if(strstr(temp,"radius") != NULL){
		2700	int_data[0] = 4;
		2701	}else{
		2702	int_data[0] = 2;
		2703	}
8112	schaersvoo	2704	}
8129	schaersvoo	2705	}
8071	schaersvoo	2706	}
8129	schaersvoo	2707	}
8071	schaersvoo	2708	stroke_color = get_color(infile,0);
		2709	font_size = (int) (get_real(infile,1));
		2710	tmp_buffer = my_newmem(26);
		2711	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2712	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2713	break;
		2714	case MOUSE_DEGREE:
		2715	/*
		2716	@ mouse_degree color,fontsize
8099	schaersvoo	2717	@ 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	2718	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2719	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2720
		2721	*/
		2722	stroke_color = get_color(infile,0);
		2723	font_size = (int) (get_real(infile,1));
		2724	tmp_buffer = my_newmem(26);
		2725	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2726	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2727	break;
7991	schaersvoo	2728	case MOUSEX:
		2729	/*
		2730	@ mousex color,fontsize
		2731	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2732	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2733
		2734	*/
		2735	stroke_color = get_color(infile,0);
		2736	font_size = (int) (get_real(infile,1));
		2737	tmp_buffer = my_newmem(26);
		2738	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2739	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2740	break;
		2741	case MOUSEY:
		2742	/*
		2743	@ mousey color,fontsize
		2744	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2745	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2746
		2747	*/
		2748	stroke_color = get_color(infile,0);
		2749	font_size = (int) (get_real(infile,1));
		2750	tmp_buffer = my_newmem(26);
		2751	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2752	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2753	break;
7614	schaersvoo	2754	case MOUSE:
		2755	/*
		2756	@ mouse color,fontsize
7991	schaersvoo	2757	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2758	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2759
7614	schaersvoo	2760	*/
		2761	stroke_color = get_color(infile,0);
		2762	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2763	tmp_buffer = my_newmem(26);
		2764	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2765	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2766	break;
		2767	case INTOOLTIP:
		2768	/*
		2769	@ intooltip link_text
		2770	@ link_text is a single line (span-element)
		2771	@ link_text may also be an image URL http://some_server/images/my_image.png
		2772	@ link_text may contain HTML markup
		2773	@ the canvas will be displayed in a tooltip on 'link_text'
		2774	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2775	*/
7823	schaersvoo	2776	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2777	use_tooltip = TRUE;
		2778	tooltip_text = get_string(infile,1);
		2779	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2780	break;
		2781	case AUDIO:
		2782	/*
		2783	@ audio x,y,w,h,loop,visible,audiofile location
		2784	@ x,y : left top corner of audio element (in xrange / yrange)
		2785	@ w,y : width and height in pixels
		2786	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2787	@ visible : 0 or 1 (1 = show controls)
		2788	@ audio format may be in .mp3 or .ogg
		2789	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2790	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2791	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2792	@ 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 />
		2793	*/
		2794	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2795	for(i=0;i<7;i++){
		2796	switch(i){
		2797	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2798	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2799	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2800	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2801	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2802	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2803	case 6:
7614	schaersvoo	2804	temp = get_string(infile,1);
		2805	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2806	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2807	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);
		2808	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2809	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);
		2810	add_to_buffer(tmp_buffer);
		2811	break;
		2812	default:break;
		2813	}
		2814	}
		2815	reset();
		2816	break;
		2817	case VIDEO:
		2818	/*
		2819	@ video x,y,w,h,videofile location
		2820	@ x,y : left top corner of audio element (in xrange / yrange)
		2821	@ w,y : width and height in pixels
		2822	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2823	@ video format may be in *.mp4 (todo:other formats)
		2824	*/
		2825	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2826	for(i=0;i<5;i++){
		2827	switch(i){
		2828	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2829	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2830	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2831	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2832	case 4: temp = get_string(infile,1);
		2833	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);
		2834	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2835	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);
		2836	add_to_buffer(tmp_buffer);
		2837	break;
		2838	default:break;
		2839	}
		2840	}
		2841	reset();
		2842	break;
		2843	case HATCHFILL:
		2844	/*
		2845	@ hatchfill x0,y0,dx,dy,color
		2846	@ x0,y0 in xrange / yrange
		2847	@ distances dx,dy in pixels
		2848	*/
		2849	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2850	for(i=0;i<5;i++){
		2851	switch(i){
		2852	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2853	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2854	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2855	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2856	case 4: stroke_color = get_color(infile,1);
		2857	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2858	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);
		2859	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2860	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);
		2861	add_to_buffer(tmp_buffer);
		2862	break;
		2863	default:break;
		2864	}
		2865	}
		2866	reset();
		2867	break;
7647	schaersvoo	2868	case DIAMONDFILL:
		2869	/*
		2870	@ diamondfill x0,y0,dx,dy,color
		2871	@ x0,y0 in xrange / yrange
		2872	@ distances dx,dy in pixels
		2873	*/
		2874	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2875	for(i=0;i<5;i++){
		2876	switch(i){
		2877	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2878	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2879	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2880	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2881	case 4: stroke_color = get_color(infile,1);
		2882	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2883	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);
		2884	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2885	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);
		2886	add_to_buffer(tmp_buffer);
		2887	break;
		2888	default:break;
		2889	}
		2890	}
		2891	reset();
		2892	break;
7614	schaersvoo	2893	case GRIDFILL:
		2894	/*
		2895	@ gridfill x0,y0,dx,dy,color
		2896	@ x0,y0 in xrange / yrange
		2897	@ distances dx,dy in pixels
7883	schaersvoo	2898	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2899	@ userdraw object may snap_to_grid
7614	schaersvoo	2900	*/
		2901	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2902	for(i=0;i<5;i++){
		2903	switch(i){
		2904	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2905	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2906	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2907	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2908	case 4: stroke_color = get_color(infile,1);
		2909	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);
		2910	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2911	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);
		2912	add_to_buffer(tmp_buffer);
		2913	break;
		2914	default:break;
		2915	}
		2916	}
		2917	reset();
		2918	break;
		2919	case DOTFILL:
		2920	/*
		2921	@ dotfill x0,y0,dx,dy,color
		2922	@ x0,y0 in xrange / yrange
		2923	@ distances dx,dy in pixels
		2924	@ radius of dots is linewidth
		2925	*/
		2926	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2927	for(i=0;i<5;i++){
		2928	switch(i){
		2929	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2930	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2931	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2932	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2933	case 4: stroke_color = get_color(infile,1);
		2934	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2935	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);
		2936	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2937	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);
		2938	add_to_buffer(tmp_buffer);
		2939	break;
		2940	default:break;
		2941	}
		2942	}
		2943	reset();
		2944	break;
		2945	case IMAGEFILL:
		2946	/*
		2947	@ imagefill dx,dy,image_url
		2948	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2949	@ After pattern filling ,the fill-color should be reset !
		2950	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2951	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2952	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2953	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2954	*/
		2955	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2956	for(i=0 ;i < 3 ; i++){
		2957	switch(i){
		2958	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2959	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2960	case 2: URL = get_string_argument(infile,1);
		2961	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);
		2962	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2963	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);
		2964	add_to_buffer(tmp_buffer);
		2965	break;
		2966	}
		2967	}
8083	schaersvoo	2968	reset();
7614	schaersvoo	2969	break;
		2970	case FILLTOBORDER:
		2971	/*
		2972	@ filltoborder x,y,bordercolor,color
8224	bpr	2973	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2974	@ any other color will not act as border to the bucket fill
		2975	@ use this command after all boundary objects are declared.
		2976	@ 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..
		2977	*/
		2978	for(i=0 ;i < 4 ; i++){
		2979	switch(i){
		2980	case 0:double_data[0] = get_real(infile,0);break;
		2981	case 1:double_data[1] = get_real(infile,0);break;
		2982	case 2:bgcolor = get_color(infile,0);break;
		2983	case 3:fill_color = get_color(infile,1);
		2984	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2985	js_function[DRAW_FILLTOBORDER] = 1;
		2986	add_js_filltoborder(js_include_file,canvas_root_id);
		2987	}
		2988	decimals = find_number_of_digits(precision);
7895	schaersvoo	2989	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	2990	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	2991	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2992	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	2993	add_to_buffer(tmp_buffer);
		2994	break;
		2995	default:break;
8083	schaersvoo	2996	}
		2997	}
		2998	reset();
7614	schaersvoo	2999	break;
		3000	case FLOODFILL:
		3001	/*
		3002	@ floodfill x,y,color
		3003	@ alternative syntax: fill x,y,color
		3004	@ fill the region of point (x:y) with color 'color'
		3005	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		3006	@ use this command after all boundary objects are declared.
		3007	@ Use command 'clickfill,color' for user click driven flood fill.
		3008	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3009	@ 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..
		3010	*/
		3011	for(i=0 ;i < 4 ; i++){
		3012	switch(i){
		3013	case 0:double_data[0] = get_real(infile,0);break;
		3014	case 1:double_data[1] = get_real(infile,0);break;
		3015	case 2:fill_color = get_color(infile,1);
		3016	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3017	js_function[DRAW_FLOODFILL] = 1;
		3018	add_js_floodfill(js_include_file,canvas_root_id);
		3019	}
		3020	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	3021	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		3022	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	3023	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	3024	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	3025	add_to_buffer(tmp_buffer);
		3026	break;
		3027	default:break;
8083	schaersvoo	3028	}
		3029	}
		3030	reset();
7614	schaersvoo	3031	break;
		3032	case CLICKFILLMARGE:
		3033	clickfillmarge = (int) (get_real(infile,1));
		3034	break;
		3035	/*
		3036	@ clickfillmarge int
		3037	@ default 20 (pixels)
		3038	@ 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[])
		3039	*/
		3040	case CLICKFILL:
		3041	/*
		3042	@ clickfill fillcolor
		3043	@ user left mouse click will floodfill the area with fillcolor
		3044	@ multiple areas may be coloured
		3045	@ 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)
		3046	@ the answer will be read as the (x:y) click coordinates per coloured area
		3047	@ background color of main div may be set by using command "bgcolor color"
		3048	@ may not be combined with command "userdraw"
		3049	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3050	*/
		3051	fill_color = get_color(infile,1);
		3052	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3053	js_function[DRAW_FLOODFILL] = 1;
		3054	add_js_floodfill(js_include_file,canvas_root_id);
		3055	}
8130	schaersvoo	3056	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	3057	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	3058	reset();
7614	schaersvoo	3059	break;
		3060	case SETPIXEL:
		3061	/*
		3062	@ setpixel x,y,color
		3063	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		3064	@ pixels can not be dragged or clicked
		3065	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3066	*/
		3067	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3068	for(i=0;i<3;i++){
		3069	switch(i){
		3070	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3071	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3072	case 2: stroke_color = get_color(infile,1);
		3073	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3074	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3075	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3076	add_to_buffer(tmp_buffer);
		3077	break;
		3078	default:break;
		3079	}
		3080	}
		3081	reset();
		3082	break;
		3083	case PIXELSIZE:
		3084	/*
		3085	@ pixelsize int
		3086	@ in case you want to deviate from default pixelsize = 1...
		3087	*/
		3088	pixelsize = (int) get_real(infile,1);
		3089	break;
		3090	case PIXELS:
		3091	/*
		3092	@ pixels color,x1,y1,x2,y2,x3,y3...
		3093	@ Draw "points" with diameter 1 pixel
		3094	@ pixels can not be dragged or clicked
		3095	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3096	*/
		3097	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3098	stroke_color=get_color(infile,0);
		3099	i=0;
		3100	c=0;
		3101	while( ! done ){ /* get next item until EOL*/
		3102	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3103	for( c = 0 ; c < 2; c++){
		3104	if(c == 0 ){
		3105	double_data[i] = get_real(infile,0);
		3106	i++;
		3107	}
		3108	else
		3109	{
		3110	double_data[i] = get_real(infile,1);
		3111	i++;
		3112	}
		3113	}
		3114	}
		3115	decimals = find_number_of_digits(precision);
		3116	/* double_xy2js_array(double xy[],int len,int decimals) /
		3117	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3118	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3119	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3120	add_to_buffer(tmp_buffer);
8083	schaersvoo	3121	reset();
7614	schaersvoo	3122	break;
		3123	case REPLYFORMAT:
		3124	/*
		3125	@ replyformat number
8257	schaersvoo	3126	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3127	@ default values should be fine !
8074	schaersvoo	3128	@ 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	3129	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8127	schaersvoo	3130	@ 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	3131	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3132	*/
		3133	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3134	reply_precision = precision;
7614	schaersvoo	3135	break;
		3136	case LEGENDCOLORS:
		3137	/*
		3138	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3139	@ 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	3140	@ make sure the number of colours match the number of legend items
8224	bpr	3141	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3142	*/
7956	schaersvoo	3143	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3144	temp = get_string(infile,1);
		3145	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3146	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3147	break;
		3148	case LEGEND:
		3149	/*
		3150	@ legend string1:string2:string3....string_n
		3151	@ will be used to create a legend for a graph
8224	bpr	3152	@ also see command 'piechart'
7956	schaersvoo	3153	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3154	*/
		3155	temp = get_string(infile,1);
		3156	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3157	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3158	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3159	break;
		3160	case XLABEL:
		3161	/*
		3162	@ xlabel some_string
		3163	@ will be used to create a label for the x-axis (label is in quadrant I)
		3164	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3165	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3166	*/
		3167	temp = get_string(infile,1);
7653	schaersvoo	3168	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3169	break;
		3170	case YLABEL:
		3171	/*
		3172	@ ylabel some_string
8224	bpr	3173	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3174	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3175	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3176	*/
		3177	temp = get_string(infile,1);
7653	schaersvoo	3178	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3179	break;
		3180	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3181	/*
7996	schaersvoo	3182	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3183	@ will plot your data in a graph
		3184	@ may only to be used together with command 'grid'
		3185	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3186	@ use command 'legend' to provide an optional legend in right-top-corner
		3187	@ also see command 'piechart'
		3188	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3189	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3190	@ <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	3191	*/
7614	schaersvoo	3192	temp = get_string(infile,1);
		3193	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3194	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	3195	linegraph_cnt++;
		3196	reset();
		3197	break;
7989	schaersvoo	3198	case BARCHART:
		3199	/*
		3200	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3201	@ will be used to create a legend for bar graph
		3202	@ may only to be used together with command 'grid'
		3203	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3204	@ use command 'legend' to provide an optional legend in right-top-corner
		3205	@ also see command 'piechart'
		3206	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3207	*/
		3208	temp = get_string(infile,1);
		3209	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3210	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3211	barchart_cnt++;
		3212	reset();
		3213	break;
7614	schaersvoo	3214	case CLOCK:
		3215	/*
		3216	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3217	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3218	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3219	@ 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	3220	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3221	@ 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>
		3222	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3223	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3224	@ 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	3225	@ 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	3226	*/
		3227	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3228
		3229	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3230	for(i=0;i<9;i++){
		3231	switch(i){
		3232	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3233	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3234	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3235	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3236	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3237	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3238	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	3239	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3240	switch(int_data[7]){
		3241	case 0:break;
		3242	case 1:if(clock_cnt == 0){
		3243	if( reply_format == 0 ){
7614	schaersvoo	3244	reply_format = 18; /* user sets clock */
7783	schaersvoo	3245	/* 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	3246	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3247	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");
		3248	add_to_buffer(tmp_buffer);
7783	schaersvoo	3249	*/
8130	schaersvoo	3250	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	3251	}
		3252	else
		3253	{
		3254	canvas_error("interactive clock may not be used together with other reply_types...");
		3255	}
		3256	}
8130	schaersvoo	3257	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	3258	break;
		3259	case 2:if( reply_format == 0 ){
		3260	reply_format = 19; /* "onclick */
8130	schaersvoo	3261	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	3262	}
		3263	else
		3264	{
		3265	if( reply_format != 19){
7614	schaersvoo	3266	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3267	}
7783	schaersvoo	3268	}
		3269	break;
		3270	default: canvas_error("interactive must be set 0,1 or 2");break;
		3271	}
		3272	break;
8224	bpr	3273	case 8:
8130	schaersvoo	3274	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3275	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3276	}
7614	schaersvoo	3277	temp = get_string(infile,1);
		3278	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3279	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3280	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	3281	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3282	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	3283	add_to_buffer(tmp_buffer);
		3284	clock_cnt++;
		3285	break;
		3286	default:break;
		3287	}
		3288	}
		3289	break;
		3290	case PIECHART:
		3291	/*
		3292	@ piechart xc,yc,radius,'data+colorlist'
		3293	@ (xc : yc) center of circle diagram in xrange/yrange
		3294	@ radius in pixels
		3295	@ 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
		3296	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3297	@ the number of colors must match the number of data.
		3298	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3299	@ 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	3300	*/
8224	bpr	3301	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3302	for(i=0;i<5;i++){
		3303	switch(i){
		3304	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3305	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3306	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3307	case 3: temp = get_string(infile,1);
		3308	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3309	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	3310	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3311	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	3312	add_to_buffer(tmp_buffer);
		3313	break;
		3314	default:break;
		3315	}
		3316	}
		3317	reset();
		3318	break;
		3319	case STATUS:
7877	schaersvoo	3320	/*
		3321	@status
		3322	@keyword
		3323	@alernative keyword: nostatus
		3324	@used to override the effects of "status=done" in wims (answer.phtml)
		3325	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3326	@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'
		3327	*/
8224	bpr	3328
7877	schaersvoo	3329	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3330	break;
7735	schaersvoo	3331	case XLOGBASE:
7729	schaersvoo	3332	/*
7735	schaersvoo	3333	@ xlogbase number
		3334	@ sets the logbase number for the x-axis
7729	schaersvoo	3335	@ default value 10
7735	schaersvoo	3336	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3337	*/
7735	schaersvoo	3338	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3339	break;
7735	schaersvoo	3340	case YLOGBASE:
		3341	/*
		3342	@ ylogbase number
		3343	@ sets the logbase number for the y-axis
		3344	@ default value 10
		3345	@ use together with commands ylogscale / xylogscale
		3346	*/
		3347	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3348	break;
7614	schaersvoo	3349	case XLOGSCALE:
		3350	/*
7735	schaersvoo	3351	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3352	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3353	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3354	@ the linewidth is set using command 'linewidth int'
		3355	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3356	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3357	@ 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	3358	@ note: the complete canvas will be used for the 'log paper'
		3359	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3360	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3361	@ 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	3362	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3363	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3364	*/
7735	schaersvoo	3365	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3366	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3367	for(i=0;i<4;i++){
		3368	switch(i){
		3369	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3370	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3371	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3372	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3373	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	3374	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3375	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	3376	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3377	add_to_buffer(tmp_buffer);
		3378	break;
		3379	default:break;
		3380	}
		3381	}
7614	schaersvoo	3382	break;
		3383	case YLOGSCALE:
7729	schaersvoo	3384	/*
		3385	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3386	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3387	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3388	@ the linewidth is set using command 'linewidth int'
		3389	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3390	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3391	@ 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	3392	@ note: the complete canvas will be used for the 'log paper'
		3393	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3394	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3395	@ 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	3396	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3397	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3398	*/
		3399	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3400	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3401	for(i=0;i<4;i++){
		3402	switch(i){
		3403	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3404	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3405	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3406	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3407	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	3408	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3409	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	3410	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3411	add_to_buffer(tmp_buffer);
		3412	break;
		3413	default:break;
		3414	}
		3415	}
7614	schaersvoo	3416	break;
		3417	case XYLOGSCALE:
7735	schaersvoo	3418	/*
		3419	@ xylogscale majorcolor,minorcolor
		3420	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3421	@ the linewidth is set using command 'linewidth int'
		3422	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3423	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3424	@ 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	3425	@ note: the complete canvas will be used for the 'log paper'
		3426	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3427	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3428	@ 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	3429	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3430	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3431	*/
		3432	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3433	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3434	for(i=0;i<2;i++){
		3435	switch(i){
		3436	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3437	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3438	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	3439	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3440	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	3441	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3442	add_to_buffer(tmp_buffer);
		3443	break;
		3444	default:break;
		3445	}
		3446	}
		3447	break;
7614	schaersvoo	3448	default:sync_input(infile);
		3449	break;
		3450	}
8224	bpr	3451	}
7614	schaersvoo	3452	/* we are done parsing script file */
7983	schaersvoo	3453	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3454	if( found_size_command == 1 ){
		3455	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3456	}
		3457	else
		3458	{
		3459	if( found_size_command != 3 ){
8222	schaersvoo	3460	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3461	}
		3462	}
8257	schaersvoo	3463
8222	schaersvoo	3464	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3465	add_javascript_functions(js_function,canvas_root_id);
		3466	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3467	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3468	if( use_pan_and_zoom == TRUE ){
		3469	/* in case of zooming ... */
7729	schaersvoo	3470	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3471	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3472	var ymin_start=ymin;var ymax_start=xmax;\
		3473	var zoom_x_increment=0;var zoom_y_increment=0;\
		3474	var pan_x_increment=0;var pan_y_increment=0;\
		3475	if(use_ylogscale == 0 ){\
7956	schaersvoo	3476	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	3477	}else{\
		3478	zoom_x_increment = (xmax - xmin)/20;\
		3479	pan_x_increment = (xmax - xmin)/20;\
		3480	};\
7653	schaersvoo	3481	function start_canvas%d(type){\
		3482	switch(type){\
7729	schaersvoo	3483	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3484	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	3485	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3486	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3487	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3488	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3489	case 6:location.reload();break;\
		3490	default:break;\
		3491	};\
		3492	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3493	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3494	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3495	%s\
		3496	};\
7797	schaersvoo	3497	start_canvas%d(333);\
7614	schaersvoo	3498	};\n\
		3499	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3500	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3501	}
		3502	else
		3503	{
		3504	/* no zoom, just add buffer */
		3505	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3506	%s\
		3507	};\n\
		3508	<!-- end wims_canvas_function -->\n\
		3509	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3510	}
7614	schaersvoo	3511	/* done writing the javascript include file */
		3512	fclose(js_include_file);
		3513
		3514	}
		3515
		3516	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3517	if(use_tooltip == TRUE){
		3518	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3519	}
		3520	exit(EXIT_SUCCESS);
		3521	}
		3522	/* end main() */
		3523
		3524	/******************************************************************************
		3525	**
		3526	** sync_input
		3527	**
		3528	** synchronises input line - reads to end of line, leaving file pointer
		3529	** at first character of next line.
		3530	**
		3531	** Used by:
		3532	** main program - error handling.
		3533	**
		3534	******************************************************************************/
		3535	void sync_input(FILE *infile)
		3536	{
		3537	int c = 0;
		3538
7658	schaersvoo	3539	if( c == '\n' \|\| c == ';' ) return;
		3540	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3541	if( c == EOF ) finished = 1;
7658	schaersvoo	3542	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3543	return;
		3544	}
		3545
		3546	/******************************************************************************/
		3547
		3548	char str_replace(const char str, const char old, const char new){
		3549	/* http://creativeandcritical.net/str-replace-c/ */
		3550	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3551	char ret, r;
		3552	const char p, q;
		3553	size_t oldlen = strlen(old);
		3554	size_t count = 0;
		3555	size_t retlen = 0;
		3556	size_t newlen = strlen(new);
		3557	if (oldlen != newlen){
		3558	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3559	count++;
		3560	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3561	}
8224	bpr	3562	}
7614	schaersvoo	3563	else
		3564	{
		3565	retlen = strlen(str);
		3566	}
8224	bpr	3567
7614	schaersvoo	3568	if ((ret = malloc(retlen + 1)) == NULL){
		3569	ret = NULL;
		3570	canvas_error("string argument is NULL");
		3571	}
		3572	else
		3573	{
		3574	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3575	size_t l = q - p;
		3576	memcpy(r, p, l);
		3577	r += l;
		3578	memcpy(r, new, newlen);
		3579	r += newlen;
		3580	}
		3581	strcpy(r, p);
		3582	}
		3583	return ret;
		3584	}
		3585
		3586	/******************************************************************************/
7848	bpr	3587
7614	schaersvoo	3588	char get_color(FILE infile , int last){
		3589	int c,i = 0,is_hex = 0;
		3590	char temp[MAX_COLOR_STRING], *string;
8304	schaersvoo	3591	char not_allowed[10] = "0123456789";
7748	schaersvoo	3592	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3593	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3594	if( c == '#' ){
		3595	is_hex = 1;
		3596	}
		3597	if( c != ' '){
8304	schaersvoo	3598	if( is_hex == 0 ){if(strchr(not_allowed,c) != 0){canvas_error("found something like a number...but is should have been a colour or #hex color number...<br />Do not use R,G,B !!! ");}}
7614	schaersvoo	3599	temp[i]=tolower(c);
		3600	i++;
		3601	}
		3602	}
8224	bpr	3603	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3604	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3605	if( c == EOF ){finished = 1;}
		3606	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3607	temp[i]='\0';
		3608	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3609	if( is_hex == 1 ){
		3610	char red[3], green[3], blue[3];
		3611	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3612	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3613	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3614	int r = (int) strtol(red, NULL, 16);
		3615	int g = (int) strtol(green, NULL, 16);
		3616	int b = (int) strtol(blue, NULL, 16);
		3617	string = (char *)my_newmem(12);
		3618	snprintf(string,11,"%d,%d,%d",r,g,b);
		3619	return string;
		3620	}
		3621	else
		3622	{
		3623	string = (char *)my_newmem(sizeof(temp));
		3624	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	3625	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	3626	if( strcmp( colors[i].name , string ) == 0 ){
		3627	return colors[i].rgb;
		3628	}
		3629	}
8304	schaersvoo	3630	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	3631	}
8304	schaersvoo	3632	return "0,0,255";
7614	schaersvoo	3633	}
		3634
		3635	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3636	int c,i=0;
		3637	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3638	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3639	temp[i]=c;
		3640	i++;
		3641	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3642	}
8224	bpr	3643	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3644	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3645	if( c == EOF ) {
		3646	finished = 1;
		3647	if( last != 1 ){ canvas_error("expected more arguments");}
		3648	}
		3649	temp[i]='\0';
		3650	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3651	string=(char *)my_newmem(strlen(temp));
		3652	snprintf(string,sizeof(temp),"%s",temp);
		3653	return string;
		3654	}
		3655
		3656	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3657	int c,i=0;
		3658	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3659	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3660	temp[i]=c;
		3661	i++;
		3662	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3663	}
8224	bpr	3664	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3665	if( c == '\n') { line_number++; }
7614	schaersvoo	3666	if( c == EOF ) {finished = 1;}
		3667	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3668	temp[i]='\0';
		3669	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		3670	string=(char *)my_newmem(sizeof(temp));
		3671	snprintf(string,sizeof(temp),"%s",temp);
		3672	done = TRUE;
		3673	return string;
		3674	}
		3675
		3676	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3677	int c,i=0,found_calc = 0;
		3678	double y;
		3679	char tmp[MAX_INT];
8304	schaersvoo	3680	/* these things are 'allowed functions' : ,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln /
		3681	char allowed[21] = "earcostanpilog+-/^()";/* assuming these are allowed stuff in a 'number'*/
		3682	char not_allowed[17] = "#bdfghjkmquvwxyz";/* avoid segmentation faults in a "atof()" and "wims eval" */
7658	schaersvoo	3683	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3684	if( c != ' ' ){
8224	bpr	3685	if( i == 0 && c == '+' ){
7614	schaersvoo	3686	continue;
8224	bpr	3687	}
7614	schaersvoo	3688	else
		3689	{
8304	schaersvoo	3690	c = tolower(c);
		3691	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		3692	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	3693	tmp[i] = c;
		3694	i++;
		3695	}
		3696	}
		3697	if( i > MAX_INT - 1){canvas_error("number too large");}
		3698	}
8224	bpr	3699	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3700	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3701	if( c == EOF ){done = TRUE ; finished = 1;}
		3702	tmp[i]='\0';
		3703	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	3704	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	3705	void *f = eval_create(tmp);
7614	schaersvoo	3706	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3707	y = eval_x(f, 1);
7614	schaersvoo	3708	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3709	eval_destroy(f);
7614	schaersvoo	3710	}
		3711	else
		3712	{
		3713	y = atof(tmp);
		3714	}
		3715	return y;
		3716	}
8304	schaersvoo	3717
		3718
7614	schaersvoo	3719	void canvas_error(char *msg){
7748	schaersvoo	3720	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3721	finished = 1;
		3722	exit(EXIT_SUCCESS);
		3723	}
		3724
		3725
		3726	/* convert x/y coordinates to pixel */
		3727	int x2px(double x){
		3728	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3729	}
		3730
		3731	int y2px(double y){
		3732	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3733	}
		3734
		3735	double px2x(int x){
		3736	return (x*(xmax - xmin)/xsize + xmin);
		3737	}
		3738	double px2y(int y){
		3739	return (y*(ymax - ymin)/ysize + ymin);
		3740	}
		3741
		3742	void add_to_buffer(char *tmp){
		3743	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3744	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3745	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3746	if( space_left > strlen(tmp)){
		3747	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3748	}
		3749	else
		3750	{
		3751	canvas_error("buffer is too big\n");
		3752	}
		3753	tmp = NULL;free(tmp);
		3754	return;
		3755	}
		3756
		3757	void reset(){
		3758	if(use_filled == TRUE){use_filled = FALSE;}
		3759	if(use_dashed == TRUE){use_dashed = FALSE;}
		3760	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3761	onclick = 0;
7614	schaersvoo	3762	}
		3763
		3764
		3765
		3766	/* What reply format in read_canvas();
		3767
		3768	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3769	1 = x1,x2,x3,x4....x_n
		3770	y1,y2,y3,y4....y_n
		3771
		3772	x/y in pixels
		3773
		3774	2 = x1,x2,x3,x4....x_n
		3775	y1,y2,y3,y4....y_n
		3776	x/y in xrange / yrange coordinate system
		3777
		3778	3 = x1,x2,x3,x4....x_n
		3779	y1,y2,y3,y4....y_n
		3780	r1,r2,r3,r4....r_n
		3781
8224	bpr	3782	x/y in pixels
7614	schaersvoo	3783	r in pixels
		3784
		3785	4 = x1,x2,x3,x4....x_n
		3786	y1,y2,y3,y4....y_n
		3787	r1,r2,r3,r4....r_n
		3788
		3789	x/y in xrange / yrange coordinate system
		3790	r in pixels
		3791
		3792	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3793	Ay1,Ay2,Ay3,Ay4....Ay_n
		3794	Bx1,Bx2,Bx3,Bx4....Bx_n
		3795	By1,By2,By3,By4....By_n
		3796	Cx1,Cx2,Cx3,Cx4....Cx_n
		3797	Cy1,Cy2,Cy3,Cy4....Cy_n
		3798	....
		3799	Zx1,Zx2,Zx3,Zx4....Zx_n
		3800	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3801
7614	schaersvoo	3802	x/y in pixels
		3803
		3804	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3805	Ay1,Ay2,Ay3,Ay4....Ay_n
		3806	Bx1,Bx2,Bx3,Bx4....Bx_n
		3807	By1,By2,By3,By4....By_n
		3808	Cx1,Cx2,Cx3,Cx4....Cx_n
		3809	Cy1,Cy2,Cy3,Cy4....Cy_n
		3810	....
		3811	Zx1,Zx2,Zx3,Zx4....Zx_n
		3812	Zy1,Zy2,Zy3,Zy4....Zy_n
		3813
		3814	x/y in xrange / yrange coordinate system
8224	bpr	3815
7614	schaersvoo	3816	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3817
7614	schaersvoo	3818	x/y in pixels
		3819
		3820	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3821
7614	schaersvoo	3822	x/y in xrange / yrange coordinate system
		3823
8224	bpr	3824	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3825
		3826	x/y in pixels
		3827
8224	bpr	3828	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3829
		3830	x/y in xrange / yrange coordinate system
		3831
		3832	11 = Ax1,Ay1,Ax2,Ay2
		3833	Bx1,By1,Bx2,By2
		3834	Cx1,Cy1,Cx2,Cy2
		3835	Dx1,Dy1,Dx2,Dy2
		3836	......
		3837	Zx1,Zy1,Zx2,Zy2
8224	bpr	3838
7614	schaersvoo	3839	x/y in xrange / yrange coordinate system
		3840
		3841	12 = Ax1,Ay1,Ax2,Ay2
		3842	Bx1,By1,Bx2,By2
		3843	Cx1,Cy1,Cx2,Cy2
		3844	Dx1,Dy1,Dx2,Dy2
		3845	......
		3846	Zx1,Zy1,Zx2,Zy2
8224	bpr	3847
7614	schaersvoo	3848	x/y in pixels
		3849
		3850	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3851
		3852	x/y in xrange / yrange coordinate system
		3853	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3854	x/y in pixels
		3855	15 = reply from inputfields,textareas
		3856	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3857	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3858
		3859	16 = read mathml inputfields only
		3860
		3861	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3862	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3863
		3864	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3865	19 = return clicked object number (analogue to shape-library onclick)
		3866	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3867	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3868	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3869	x/y in xrange / yrange coordinate system
8224	bpr	3870	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3871	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3872	25 = return all userdrawn arcs in degrees:
		3873	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3874	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
7614	schaersvoo	3875	*/
		3876
		3877
8257	schaersvoo	3878	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3879	/* just 1 reply type allowed */
8074	schaersvoo	3880	fprintf(js_include_file,"\
		3881	\n<!-- begin set_reply_precision() -->\n\
		3882	function set_reply_precision(){\
		3883	var len = userdraw_x.length;\
		3884	var prec = %d;\
		3885	for(var p = 0 ; p < len ; p++ ){\
		3886	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3887	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3888	};\
		3889	len = userdraw_radius.length;\
		3890	if( len > 0 ){\
		3891	for(var p = 0 ; p < len ; p++ ){\
		3892	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3893	};\
		3894	};\
		3895	};",reply_precision);
7963	schaersvoo	3896
7614	schaersvoo	3897	switch(type_reply){
8224	bpr	3898	/*
7614	schaersvoo	3899	answers may have:
		3900	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3901	*/
		3902	case 1: fprintf(js_include_file,"\
8257	schaersvoo	3903	\n<!-- begin function 1 read_canvas%d() -->\n\
		3904	read_canvas%d = function(){\
7614	schaersvoo	3905	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3906	set_reply_precision();\
7614	schaersvoo	3907	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3908	var p = 0;var input_reply = new Array();\
		3909	if( document.getElementById(\"canvas_input0\")){\
		3910	var t = 0;\
		3911	while(document.getElementById(\"canvas_input\"+t)){\
		3912	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3913	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3914	p++;\
		3915	};\
		3916	t++;\
		3917	};\
		3918	};\
		3919	if( typeof userdraw_text != 'undefined' ){\
		3920	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3921	}\
		3922	else\
		3923	{\
		3924	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3925	}\
		3926	}\
		3927	else\
		3928	{\
		3929	if( typeof userdraw_text != 'undefined' ){\
		3930	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3931	}\
		3932	else\
		3933	{\
		3934	return userdraw_x+\"\\n\"+userdraw_y;\
		3935	}\
		3936	};\
8108	schaersvoo	3937	};\n\
8257	schaersvoo	3938	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3939	break;
		3940	case 2: fprintf(js_include_file,"\
8257	schaersvoo	3941	\n<!-- begin function 2 read_canvas%d() -->\n\
		3942	read_canvas%d = function(){\
7614	schaersvoo	3943	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3944	set_reply_precision();\
7614	schaersvoo	3945	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	3946	var prec = %d;\
7614	schaersvoo	3947	while(userdraw_x[p]){\
8074	schaersvoo	3948	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3949	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3950	p++;\
		3951	};\
		3952	if(p == 0){alert(\"nothing drawn...\");return;};\
		3953	if( document.getElementById(\"canvas_input0\")){\
		3954	var p = 0;var input_reply = new Array();\
		3955	if( document.getElementById(\"canvas_input0\")){\
		3956	var t = 0;\
		3957	while(document.getElementById(\"canvas_input\"+t)){\
		3958	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3959	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3960	p++;\
		3961	};\
		3962	t++;\
		3963	};\
		3964	};\
		3965	if( typeof userdraw_text != 'undefined' ){\
		3966	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3967	}\
		3968	else\
		3969	{\
		3970	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3971	}\
		3972	}\
		3973	else\
		3974	{\
		3975	if( typeof userdraw_text != 'undefined' ){\
		3976	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3977	}\
		3978	else\
		3979	{\
		3980	return reply_x+\"\\n\"+reply_y;\
		3981	};\
		3982	};\
8108	schaersvoo	3983	};\n\
8257	schaersvoo	3984	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	3985	break;
		3986	case 3: fprintf(js_include_file,"\
8257	schaersvoo	3987	\n<!-- begin function 3 read_canvas%d() -->\n\
		3988	read_canvas%d = function(){\
7614	schaersvoo	3989	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3990	set_reply_precision();\
7614	schaersvoo	3991	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3992	var p = 0;var input_reply = new Array();\
		3993	if( document.getElementById(\"canvas_input0\")){\
		3994	var t = 0;\
		3995	while(document.getElementById(\"canvas_input\"+t)){\
		3996	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3997	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3998	p++;\
		3999	};\
		4000	t++;\
		4001	};\
		4002	};\
		4003	if( typeof userdraw_text != 'undefined' ){\
		4004	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4005	}\
		4006	else\
		4007	{\
		4008	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4009	}\
		4010	}\
		4011	else\
		4012	{\
		4013	if( typeof userdraw_text != 'undefined' ){\
		4014	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		4015	}\
		4016	else\
		4017	{\
		4018	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		4019	}\
		4020	}\
8108	schaersvoo	4021	};\n\
8257	schaersvoo	4022	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4023	break;
		4024	case 4: fprintf(js_include_file,"\
8257	schaersvoo	4025	\n<!-- begin function 4 read_canvas%d() -->\n\
		4026	read_canvas%d = function(){\
8074	schaersvoo	4027	var prec = %d;\
7614	schaersvoo	4028	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		4029	while(userdraw_x[p]){\
8074	schaersvoo	4030	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4031	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	4032	p++;\
		4033	};\
		4034	if(p == 0){alert(\"nothing drawn...\");return;};\
		4035	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4036	var p = 0;var input_reply = new Array();\
		4037	if( document.getElementById(\"canvas_input0\")){\
		4038	var t = 0;\
		4039	while(document.getElementById(\"canvas_input\"+t)){\
		4040	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4041	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4042	p++;\
		4043	};\
		4044	t++;\
		4045	};\
		4046	};\
		4047	if( typeof userdraw_text != 'undefined' ){\
		4048	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4049	}\
		4050	else\
		4051	{\
		4052	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4053	}\
		4054	}\
		4055	else\
		4056	{\
		4057	if( typeof userdraw_text != 'undefined' ){\
		4058	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		4059	}\
		4060	else\
		4061	{\
		4062	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		4063	}\
		4064	};\
8108	schaersvoo	4065	};\n\
8257	schaersvoo	4066	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4067	break;
8224	bpr	4068	/*
		4069	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4070	used for userdraw multiple paths
7614	schaersvoo	4071	*/
		4072	case 5: fprintf(js_include_file,"\
8257	schaersvoo	4073	\n<!-- begin function 5 read_canvas%d() -->\n\
		4074	read_canvas%d = function(){\
8074	schaersvoo	4075	set_reply_precision();\
7614	schaersvoo	4076	var p = 0;\
		4077	var reply = \"\";\
		4078	for(p = 0; p < userdraw_x.length;p++){\
		4079	if(userdraw_x[p] != null ){\
		4080	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		4081	};\
		4082	};\
		4083	if(p == 0){alert(\"nothing drawn...\");return;};\
		4084	userdraw_x = [];userdraw_y = [];\
		4085	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4086	var p = 0;var input_reply = new Array();\
		4087	if( document.getElementById(\"canvas_input0\")){\
		4088	var t = 0;\
		4089	while(document.getElementById(\"canvas_input\"+t)){\
		4090	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4091	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4092	p++;\
		4093	};\
		4094	t++;\
		4095	};\
		4096	};\
		4097	if( typeof userdraw_text != 'undefined' ){\
		4098	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4099	}\
		4100	else\
		4101	{\
		4102	return reply +\"\\n\"+input_reply;\
		4103	}\
		4104	}\
		4105	else\
		4106	{\
		4107	if( typeof userdraw_text != 'undefined' ){\
		4108	return reply+\"\\n\"+userdraw_text;\
		4109	}\
		4110	else\
		4111	{\
		4112	return reply;\
		4113	}\
		4114	};\
8108	schaersvoo	4115	};\n\
8257	schaersvoo	4116	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4117	break;
8224	bpr	4118	/*
		4119	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4120	used for userdraw multiple paths
7614	schaersvoo	4121	*/
		4122	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4123	\n<!-- begin function 6 read_canvas%d() -->\n\
		4124	read_canvas%d = function(){\
7614	schaersvoo	4125	var p = 0;\
		4126	var reply = \"\";\
		4127	var tmp_x = new Array();\
		4128	var tmp_y = new Array();\
8074	schaersvoo	4129	var prec = %d;\
7614	schaersvoo	4130	for(p = 0 ; p < userdraw_x.length; p++){\
		4131	tmp_x = userdraw_x[p];\
		4132	tmp_y = userdraw_y[p];\
		4133	if(tmp_x != null){\
		4134	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4135	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4136	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4137	};\
		4138	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4139	};\
		4140	};\
		4141	if(p == 0){alert(\"nothing drawn...\");return;};\
		4142	userdraw_x = [];userdraw_y = [];\
		4143	if( document.getElementById(\"canvas_input0\") ){\
		4144	var p = 0;var input_reply = new Array();\
		4145	if( document.getElementById(\"canvas_input0\")){\
		4146	var t = 0;\
		4147	while(document.getElementById(\"canvas_input\"+t)){\
		4148	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4149	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4150	p++;\
		4151	};\
		4152	t++;\
		4153	};\
		4154	};\
		4155	if( typeof userdraw_text != 'undefined' ){\
		4156	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4157	}\
		4158	else\
		4159	{\
		4160	return reply +\"\\n\"+input_reply;\
		4161	}\
		4162	}\
		4163	else\
		4164	{\
		4165	if( typeof userdraw_text != 'undefined' ){\
		4166	return reply +\"\\n\"+userdraw_text;\
		4167	}\
		4168	else\
		4169	{\
		4170	return reply;\
		4171	}\
		4172	};\
8108	schaersvoo	4173	};\n\
8257	schaersvoo	4174	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4175	break;
		4176	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4177	\n<!-- begin function 7 read_canvas%d() -->\n\
		4178	read_canvas%d = function(){\
8074	schaersvoo	4179	set_reply_precision();\
7614	schaersvoo	4180	var reply = new Array();\
		4181	var p = 0;\
		4182	while(userdraw_x[p]){\
		4183	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4184	p++;\
		4185	};\
		4186	if(p == 0){alert(\"nothing drawn...\");return;};\
		4187	if( document.getElementById(\"canvas_input0\") ){\
		4188	var p = 0;var input_reply = new Array();\
		4189	if( document.getElementById(\"canvas_input0\")){\
		4190	var t = 0;\
		4191	while(document.getElementById(\"canvas_input\"+t)){\
		4192	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4193	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4194	p++;\
		4195	};\
		4196	t++;\
		4197	};\
		4198	};\
		4199	if( typeof userdraw_text != 'undefined' ){\
		4200	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4201	}\
		4202	else\
		4203	{\
		4204	return reply+\"\\n\"+input_reply;\
		4205	}\
7862	schaersvoo	4206	}\
7614	schaersvoo	4207	else\
		4208	{\
		4209	if( typeof userdraw_text != 'undefined' ){\
		4210	return reply+\"\\n\"+userdraw_text;\
		4211	}\
		4212	else\
		4213	{\
		4214	return reply;\
		4215	}\
		4216	};\
8108	schaersvoo	4217	};\n\
8257	schaersvoo	4218	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4219	break;
		4220	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4221	\n<!-- begin function 8 read_canvas%d() -->\n\
		4222	read_canvas%d = function(){\
7614	schaersvoo	4223	var reply = new Array();\
		4224	var p = 0;\
8074	schaersvoo	4225	var prec = %d;\
7614	schaersvoo	4226	while(userdraw_x[p]){\
8074	schaersvoo	4227	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4228	p++;\
		4229	};\
		4230	if(p == 0){alert(\"nothing drawn...\");return;};\
		4231	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4232	var p = 0;var input_reply = new Array();\
		4233	if( document.getElementById(\"canvas_input0\")){\
		4234	var t = 0;\
		4235	while(document.getElementById(\"canvas_input\"+t)){\
		4236	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4237	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4238	p++;\
		4239	};\
		4240	t++;\
		4241	};\
		4242	};\
		4243	if( typeof userdraw_text != 'undefined' ){\
		4244	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4245	}\
		4246	else\
		4247	{\
		4248	return reply +\"\\n\"+input_reply;\
		4249	}\
		4250	}\
		4251	else\
		4252	{\
		4253	if( typeof userdraw_text != 'undefined' ){\
		4254	return reply +\"\\n\"+userdraw_text;\
		4255	}\
		4256	else\
		4257	{\
		4258	return reply;\
		4259	}\
		4260	};\
8108	schaersvoo	4261	};\n\
8257	schaersvoo	4262	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4263	break;
		4264	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4265	\n<!-- begin function 9 read_canvas%d() -->\n\
		4266	read_canvas%d = function(){\
8074	schaersvoo	4267	set_reply_precision();\
7614	schaersvoo	4268	var reply = new Array();\
		4269	var p = 0;\
		4270	while(userdraw_x[p]){\
		4271	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4272	p++;\
		4273	};\
		4274	if(p == 0){alert(\"nothing drawn...\");return;};\
		4275	if( document.getElementById(\"canvas_input0\") ){\
		4276	var p = 0;var input_reply = new Array();\
		4277	if( document.getElementById(\"canvas_input0\")){\
		4278	var t = 0;\
		4279	while(document.getElementById(\"canvas_input\"+t)){\
		4280	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4281	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4282	p++;\
		4283	};\
		4284	t++;\
		4285	};\
		4286	};\
		4287	if( typeof userdraw_text != 'undefined' ){\
		4288	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4289	}\
		4290	else\
		4291	{\
		4292	return reply +\"\\n\"+input_reply;\
		4293	}\
		4294	}\
		4295	else\
		4296	{\
		4297	if( typeof userdraw_text != 'undefined' ){\
		4298	return reply +\"\\n\"+userdraw_text;\
		4299	}\
		4300	else\
		4301	{\
		4302	return reply;\
		4303	}\
		4304	};\
8108	schaersvoo	4305	};\n\
8257	schaersvoo	4306	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4307	break;
		4308	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4309	\n<!-- begin function 10 read_canvas%d() -->\n\
		4310	read_canvas%d = function(){\
7614	schaersvoo	4311	var reply = new Array();\
		4312	var p = 0;\
8074	schaersvoo	4313	var prec = %d;\
7614	schaersvoo	4314	while(userdraw_x[p]){\
8074	schaersvoo	4315	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	4316	p++;\
		4317	};\
		4318	if(p == 0){alert(\"nothing drawn...\");return;};\
		4319	if( document.getElementById(\"canvas_input0\") ){\
		4320	var p = 0;var input_reply = new Array();\
		4321	if( document.getElementById(\"canvas_input0\")){\
		4322	var t = 0;\
		4323	while(document.getElementById(\"canvas_input\"+t)){\
		4324	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4325	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4326	p++;\
		4327	};\
		4328	t++;\
		4329	};\
		4330	};\
		4331	if( typeof userdraw_text != 'undefined' ){\
		4332	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4333	}\
		4334	else\
		4335	{\
		4336	return reply +\"\\n\"+input_reply;\
		4337	}\
		4338	}\
		4339	else\
		4340	{\
		4341	if( typeof userdraw_text != 'undefined' ){\
		4342	return reply +\"\\n\"+userdraw_text;\
		4343	}\
		4344	else\
		4345	{\
		4346	return reply;\
		4347	}\
		4348	};\
8108	schaersvoo	4349	};\n\
8257	schaersvoo	4350	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4351	break;
		4352	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4353	\n<!-- begin function 11 read_canvas%d() -->\n\
		4354	read_canvas%d = function(){\
7614	schaersvoo	4355	var reply = \"\";\
		4356	var p = 0;\
8074	schaersvoo	4357	var prec = %d;\
7614	schaersvoo	4358	while(userdraw_x[p]){\
8074	schaersvoo	4359	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	4360	p = p+2;\
		4361	};\
		4362	if(p == 0){alert(\"nothing drawn...\");return;};\
		4363	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4364	var p = 0;var input_reply = new Array();\
		4365	if( document.getElementById(\"canvas_input0\")){\
		4366	var t = 0;\
		4367	while(document.getElementById(\"canvas_input\"+t)){\
		4368	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4369	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4370	p++;\
		4371	};\
		4372	t++;\
		4373	};\
		4374	};\
		4375	if( typeof userdraw_text != 'undefined' ){\
		4376	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4377	}\
		4378	else\
		4379	{\
		4380	return reply +\"\\n\"+input_reply;\
		4381	}\
		4382	}\
		4383	else\
		4384	{\
		4385	if( typeof userdraw_text != 'undefined' ){\
		4386	return reply +\"\\n\"+userdraw_text;\
		4387	}\
		4388	else\
		4389	{\
		4390	return reply;\
		4391	}\
		4392	};\
8108	schaersvoo	4393	};\n\
8257	schaersvoo	4394	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4395	break;
		4396	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4397	\n<!-- begin function 12 read_canvas%d() -->\n\
		4398	read_canvas%d = function(){\
8074	schaersvoo	4399	set_reply_precision();\
7614	schaersvoo	4400	var reply = \"\";\
		4401	var p = 0;\
		4402	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4403	if(userdraw_x[p] != null){\
		4404	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4405	};\
		4406	};\
		4407	if(p == 0){alert(\"nothing drawn...\");return;};\
		4408	if( document.getElementById(\"canvas_input0\") ){\
		4409	var p = 0;var input_reply = new Array();\
		4410	if( document.getElementById(\"canvas_input0\")){\
		4411	var t = 0;\
		4412	while(document.getElementById(\"canvas_input\"+t)){\
		4413	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4414	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4415	p++;\
		4416	};\
		4417	t++;\
		4418	};\
		4419	};\
		4420	if( typeof userdraw_text != 'undefined' ){\
		4421	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4422	}\
		4423	else\
		4424	{\
		4425	return reply +\"\\n\"+input_reply;\
		4426	}\
		4427	}\
		4428	else\
		4429	{\
		4430	if( typeof userdraw_text != 'undefined' ){\
		4431	return reply +\"\\n\"+userdraw_text\
		4432	}\
		4433	else\
		4434	{\
		4435	return reply;\
		4436	}\
		4437	};\
8108	schaersvoo	4438	};\n\
8257	schaersvoo	4439	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4440	break;
		4441	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4442	\n<!-- begin function 13 read_canvas%d() -->\n\
		4443	read_canvas%d = function(){\
7614	schaersvoo	4444	var reply = new Array();\
		4445	var p = 0;var i = 0;\
8074	schaersvoo	4446	var prec = %d;\
7614	schaersvoo	4447	while(userdraw_x[p]){\
8074	schaersvoo	4448	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	4449	p = p+2;i++;\
		4450	};\
		4451	if(p == 0){alert(\"nothing drawn...\");return;};\
		4452	if( document.getElementById(\"canvas_input0\") ){\
		4453	var p = 0;var input_reply = new Array();\
		4454	if( document.getElementById(\"canvas_input0\")){\
		4455	var t = 0;\
		4456	while(document.getElementById(\"canvas_input\"+t)){\
		4457	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4458	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4459	p++;\
		4460	};\
		4461	t++;\
		4462	};\
		4463	};\
		4464	if( typeof userdraw_text != 'undefined' ){\
		4465	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4466	}\
		4467	else\
		4468	{\
		4469	return reply +\"\\n\"+input_reply;\
		4470	}\
		4471	}\
		4472	else\
		4473	{\
		4474	if( typeof userdraw_text != 'undefined' ){\
		4475	return reply +\"\\n\"+userdraw_text\
		4476	}\
		4477	else\
		4478	{\
		4479	return reply;\
		4480	}\
		4481	};\
8108	schaersvoo	4482	};\n\
8257	schaersvoo	4483	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4484	break;
		4485	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4486	\n<!-- begin function 14 read_canvas%d() -->\n\
		4487	read_canvas%d = function(){\
8074	schaersvoo	4488	set_reply_precision();\
7614	schaersvoo	4489	var reply = new Array();\
		4490	var p = 0;var i = 0;\
		4491	while(userdraw_x[p]){\
		4492	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4493	p = p+2;i++;\
		4494	};\
		4495	if(p == 0){alert(\"nothing drawn...\");return;};\
		4496	if( document.getElementById(\"canvas_input0\") ){\
		4497	var p = 0;var input_reply = new Array();\
		4498	if( document.getElementById(\"canvas_input0\")){\
		4499	var t = 0;\
		4500	while(document.getElementById(\"canvas_input\"+t)){\
		4501	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4502	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4503	p++;\
		4504	};\
		4505	t++;\
		4506	};\
		4507	};\
		4508	if( typeof userdraw_text != 'undefined' ){\
		4509	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4510	}\
		4511	else\
		4512	{\
		4513	return reply +\"\\n\"+input_reply;\
		4514	}\
		4515	}\
		4516	else\
		4517	{\
		4518	if( typeof userdraw_text != 'undefined' ){\
		4519	return reply +\"\\n\"+userdraw_text;\
		4520	}\
		4521	else\
		4522	{\
		4523	return reply;\
		4524	}\
		4525	};\
8108	schaersvoo	4526	};\n\
8257	schaersvoo	4527	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4528	break;
		4529	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4530	\n<!-- begin function 15 read_canvas%d() -->\n\
		4531	read_canvas%d = function(){\
7614	schaersvoo	4532	var input_reply = new Array();\
		4533	var p = 0;\
		4534	if( document.getElementById(\"canvas_input0\")){\
		4535	var t = 0;\
		4536	while(document.getElementById(\"canvas_input\"+t)){\
		4537	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4538	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4539	p++;\
		4540	};\
		4541	t++;\
		4542	};\
		4543	};\
		4544	if( typeof userdraw_text != 'undefined' ){\
		4545	return input_reply +\"\\n\"+userdraw_text;\
		4546	}\
		4547	else\
		4548	{\
		4549	return input_reply;\
		4550	};\
8108	schaersvoo	4551	};\n\
8257	schaersvoo	4552	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4553	break;
		4554	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4555	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4556	function read_mathml(){\
		4557	var reply = new Array();\
		4558	var p = 0;\
		4559	if( document.getElementById(\"mathml0\")){\
		4560	while(document.getElementById(\"mathml\"+p)){\
		4561	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4562	p++;\
		4563	};\
		4564	};\
		4565	return reply;\
		4566	};\
		4567	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4568	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4569	break;
		4570	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4571	\n<!-- begin function 17 read_canvas%d() -->\n\
		4572	read_canvas%d = function(){\
7614	schaersvoo	4573	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4574	return userdraw_text;\
8108	schaersvoo	4575	};\n\
8257	schaersvoo	4576	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4577	break;
		4578	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4579	\n<!-- begin function 18 read_canvas%d() -->\n\
		4580	read_canvas%d = function(){\
7614	schaersvoo	4581	var p = 0;\
		4582	var reply = new Array();\
		4583	var name;\
		4584	var t = true;\
8000	schaersvoo	4585	var h;var m;var s;\
7614	schaersvoo	4586	while(t){\
8000	schaersvoo	4587	try{\
		4588	name = eval('clocks'+p);\
		4589	h = name.H;m = name.M;s = name.S;\
		4590	if(s < 0){s = 60 + s;m = m - 1;};\
		4591	if(m < 0){m = 60 + m;h = h - 1;};\
		4592	if(h < 0){h = 12 + h;};\
		4593	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4594	reply[p] = h+\":\"+m+\":\"+s;\
		4595	p++;\
		4596	}catch(e){t=false;};\
7614	schaersvoo	4597	};\
8000	schaersvoo	4598	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4599	return reply;\
8108	schaersvoo	4600	};\n\
8257	schaersvoo	4601	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4602	break;
		4603	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4604	\n<!-- begin function 19 read_canvas%d() -->\n\
		4605	read_canvas%d = function(){\
7614	schaersvoo	4606	return reply[0];\
8108	schaersvoo	4607	};\n\
8257	schaersvoo	4608	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4609	break;
7614	schaersvoo	4610	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4611	\n<!-- begin function 20 read_canvas%d() -->\n\
		4612	read_canvas%d = function(){\
8074	schaersvoo	4613	var prec = %d;\
7614	schaersvoo	4614	var len = ext_drag_images.length;\
		4615	var reply = new Array(len);\
		4616	for(var p = 0 ; p < len ; p++){\
		4617	var img = ext_drag_images[p];\
8074	schaersvoo	4618	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4619	};\
		4620	return reply;\
8108	schaersvoo	4621	};\n\
8257	schaersvoo	4622	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4623	break;
		4624	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4625	\n<!-- begin function 21 read_canvas%d() -->\n\
		4626	read_canvas%d = function(){\
7614	schaersvoo	4627	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4628	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4629	var prec = %d;\
7614	schaersvoo	4630	while(userdraw_x[p]){\
8074	schaersvoo	4631	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4632	p++;\
		4633	};\
		4634	if(p == 0){alert(\"nothing drawn...\");return;};\
		4635	if( document.getElementById(\"canvas_input0\") ){\
		4636	var p = 0;var input_reply = new Array();\
		4637	if( document.getElementById(\"canvas_input0\")){\
		4638	var t = 0;\
		4639	while(document.getElementById(\"canvas_input\"+t)){\
		4640	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4641	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4642	p++;\
		4643	};\
		4644	t++;\
		4645	};\
		4646	};\
		4647	if( typeof userdraw_text != 'undefined' ){\
		4648	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4649	}\
		4650	else\
		4651	{\
		4652	return reply_coord+\"\\n\"+input_reply;\
		4653	}\
		4654	}\
		4655	else\
		4656	{\
		4657	if( typeof userdraw_text != 'undefined' ){\
		4658	return reply_coord+\"\\n\"+userdraw_text;\
		4659	}\
		4660	else\
		4661	{\
		4662	return reply_coord;\
		4663	};\
		4664	};\
8108	schaersvoo	4665	};\n\
8257	schaersvoo	4666	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4667	break;
		4668	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4669	\n<!-- begin function 22 read_canvas%d() -->\n\
		4670	read_canvas%d = function(){\
7614	schaersvoo	4671	var reply = new Array();\
7963	schaersvoo	4672	var lu = userdraw_x.length;\
		4673	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4674	var idx = 0;\
8074	schaersvoo	4675	var prec = %d;\
7963	schaersvoo	4676	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4677	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4678	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4679	};\
		4680	if( document.getElementById(\"canvas_input0\") ){\
		4681	var p = 0;var input_reply = new Array();\
		4682	if( document.getElementById(\"canvas_input0\")){\
		4683	var t = 0;\
		4684	while(document.getElementById(\"canvas_input\"+t)){\
		4685	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4686	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4687	p++;\
		4688	};\
		4689	t++;\
		4690	};\
		4691	};\
		4692	if( typeof userdraw_text != 'undefined' ){\
		4693	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4694	}\
		4695	else\
		4696	{\
		4697	return reply +\"\\n\"+input_reply;\
		4698	}\
		4699	}\
		4700	else\
		4701	{\
		4702	if( typeof userdraw_text != 'undefined' ){\
		4703	return reply +\"\\n\"+userdraw_text;\
		4704	}\
		4705	else\
		4706	{\
		4707	return reply;\
		4708	}\
		4709	};\
8108	schaersvoo	4710	};\n\
8257	schaersvoo	4711	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4712	break;
7782	schaersvoo	4713	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4714	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4715	read_canvas%d = function(){\
7782	schaersvoo	4716	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4717	var lu = userdraw_x.length;\
		4718	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4719	var reply_x = new Array();var reply_y = new Array();\
		4720	var marge = 5;var p = 0;\
8074	schaersvoo	4721	var prec = %d;\
7782	schaersvoo	4722	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4723	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4724	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4725	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4726	p++;\
7782	schaersvoo	4727	};\
8074	schaersvoo	4728	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	4729	};\
		4730	if( document.getElementById(\"canvas_input0\")){\
		4731	var p = 0;var input_reply = new Array();\
		4732	if( document.getElementById(\"canvas_input0\")){\
		4733	var t = 0;\
		4734	while(document.getElementById(\"canvas_input\"+t)){\
		4735	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4736	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4737	p++;\
		4738	};\
		4739	t++;\
		4740	};\
		4741	};\
		4742	if( typeof userdraw_text != 'undefined' ){\
		4743	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4744	}\
		4745	else\
		4746	{\
		4747	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4748	}\
		4749	}\
		4750	else\
		4751	{\
		4752	if( typeof userdraw_text != 'undefined' ){\
		4753	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4754	}\
		4755	else\
		4756	{\
		4757	return reply_x+\"\\n\"+reply_y;\
		4758	};\
		4759	};\
8108	schaersvoo	4760	};\n\
8257	schaersvoo	4761	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4762	break;
7984	schaersvoo	4763	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4764	<!-- begin function 24 read_canvas%d() -->\n\
		4765	read_canvas%d = function(){\
7984	schaersvoo	4766	var input_reply = new Array();\
		4767	var p = 0;\
		4768	if( document.getElementById(\"canvas_input0\")){\
		4769	while(document.getElementById(\"canvas_input\"+p)){\
		4770	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4771	p++;\
		4772	};\
		4773	return input_reply;\
		4774	};\
8108	schaersvoo	4775	};\n\
8257	schaersvoo	4776	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4777	break;
8083	schaersvoo	4778	case 25:
8257	schaersvoo	4779	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4780	read_canvas%d = function(){\
8083	schaersvoo	4781	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4782	var lu = userdraw_radius.length;\
		4783	var prec = %d;\
		4784	var angle_reply = new Array(lu);\
		4785	for(var p = 0 ; p < lu ; p++){\
		4786	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4787	};\
		4788	return angle_reply;\
8108	schaersvoo	4789	};\n\
8257	schaersvoo	4790	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4791	break;
		4792	case 26:
8257	schaersvoo	4793	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4794	read_canvas%d = function(){\
8083	schaersvoo	4795	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4796	var lu = userdraw_radius.length;\
		4797	var prec = %d;\
		4798	var angle_reply = new Array(lu);\
		4799	for(var p = 0 ; p < lu ; p++){\
		4800	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4801	};\
		4802	return angle_reply;\
8108	schaersvoo	4803	};\n\
8257	schaersvoo	4804	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4805	break;
8127	schaersvoo	4806	case 27:
8257	schaersvoo	4807	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4808	read_canvas%d = function(){\
8127	schaersvoo	4809	var lu = userdraw_x.length;\
		4810	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4811	set_reply_precision();\
		4812	var prec = %d;\
		4813	for(var p = 0 ; p < lu ; p++){\
		4814	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4815	};\
		4816	return reply;\
		4817	};\n\
8257	schaersvoo	4818	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4819	break;
7614	schaersvoo	4820	default: canvas_error("hmmm unknown replyformat...");break;
		4821	}
		4822	return;
		4823	}
		4824
		4825
8224	bpr	4826	/*
		4827	add drawfunction :
7614	schaersvoo	4828	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4829	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4830	- grid / mathml
		4831	- will not scale or zoom in
		4832	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4833	- is printed directly into 'js_include_file'
7614	schaersvoo	4834	*/
		4835
		4836	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4837	int i;
		4838	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4839	if( js_functions[i] == 1){
		4840	switch(i){
		4841	case DRAG_EXTERNAL_IMAGE:
		4842	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4843	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4844	var external_ctx = external_canvas.getContext(\"2d\");\
		4845	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4846	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4847	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4848	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4849	var selected_image = null;\
		4850	var ext_image_cnt = 0;\
		4851	var ext_drag_images = new Array();\
		4852	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4853	ext_image_cnt = idx;\
		4854	var image = new Image();\
		4855	image.src = URL;\
		4856	image.onload = function(){\
		4857	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4858	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4859	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4860	var img = new Array(10);\
7653	schaersvoo	4861	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4862	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4863	ext_drag_images[idx] = img;\
		4864	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4865	};\
		4866	};\
		4867	function dragstop(evt){\
		4868	selected_image = null;return;\
		4869	};\
		4870	function dragxy(evt){\
		4871	if( selected_image != null ){\
		4872	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4873	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4874	var s_img = ext_drag_images[selected_image];\
		4875	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4876	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4877	ext_drag_images[selected_image] = s_img;\
		4878	external_ctx.clearRect(0,0,xsize,ysize);\
		4879	for(var i = 0; i <= ext_image_cnt ; i++){\
		4880	var img = ext_drag_images[i];\
		4881	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4882	};\
		4883	};\
		4884	};\
		4885	function setxy(evt){\
		4886	if( ! selected_image && evt.which == 1 ){\
		4887	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4888	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4889	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4890	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4891	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4892	var img = ext_drag_images[p];\
		4893	if( img[0] == 1 ){\
		4894	var w = img.width;\
		4895	var h = img.height;\
		4896	if( xm > img[6] && xm < img[6] + img[4]){\
		4897	if( ym > img[7] && ym < img[7] + img[5]){\
		4898	img[6] = xm;\
		4899	img[7] = ym;\
		4900	ext_drag_images[p] = img;\
		4901	selected_image = p;\
		4902	dragxy(evt);\
		4903	};\
		4904	};\
		4905	};\
		4906	};\
		4907	}\
		4908	else\
		4909	{\
		4910	selected_image = null;\
		4911	};\
7614	schaersvoo	4912	};",canvas_root_id);
		4913	break;
		4914
		4915	case DRAW_EXTERNAL_IMAGE:
		4916	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	4917	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	4918	var image = new Image();\
		4919	image.src = URL;\
		4920	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4921	image.onload = function(){\
		4922	if( x0 < 1 ){ x0 = 0; };\
		4923	if( y0 < 1 ){ y0 = 0; };\
		4924	if( sx < 1 ){ sx = 0; };\
		4925	if( sy < 1 ){ sy = 0; };\
		4926	if( width < 1 ){ width = image.width;};\
		4927	if( height < 1 ){ height = image.height;};\
		4928	if( swidth < 1 ){ swidth = image.width;};\
		4929	if( sheight < 1 ){ sheight = image.height;};\
		4930	var ml = x0 - sx;\
		4931	var mh = y0 - sy;\
		4932	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4933	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4934	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4935	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4936	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4937	};\
8224	bpr	4938	};",canvas_root_id);
7614	schaersvoo	4939	break;
		4940	case DRAW_GRIDFILL:/* not used for userdraw */
		4941	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	4942	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	4943	var obj;\
		4944	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4945	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4946	}\
		4947	else\
		4948	{\
		4949	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4950	};\
		4951	var ctx = obj.getContext(\"2d\");\
		4952	var x,y;\
7883	schaersvoo	4953	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4954	ctx.save();\
		4955	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4956	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4957	ctx.moveTo(x,y0);\
		4958	ctx.lineTo(x,ysize);\
		4959	};\
7645	schaersvoo	4960	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4961	ctx.moveTo(x0,y);\
		4962	ctx.lineTo(xsize,y);\
		4963	};\
		4964	ctx.stroke();\
		4965	ctx.restore();\
7653	schaersvoo	4966	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4967	break;
8224	bpr	4968
7614	schaersvoo	4969	case DRAW_IMAGEFILL:/* not used for userdraw */
		4970	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	4971	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	4972	var obj;\
		4973	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4974	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4975	}\
		4976	else\
		4977	{\
		4978	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4979	};\
		4980	var ctx = obj.getContext(\"2d\");\
		4981	ctx.save();\
		4982	var img = new Image();\
		4983	img.src = URL;\
		4984	img.onload = function(){\
		4985	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4986	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4987	}\
		4988	else\
		4989	{\
		4990	var repeat = \"repeat\";\
		4991	if(img.width > xsize - x0){\
		4992	repeat = \"repeat-y\";\
		4993	}\
		4994	else\
		4995	{\
		4996	if( img.height > ysize -x0 ){\
		4997	repeat = \"repeat-x\";\
		4998	}\
		4999	}\
		5000	var pattern = ctx.createPattern(img,repeat);\
		5001	ctx.rect(x0,y0,xsize,ysize);\
		5002	ctx.fillStyle = pattern;\
		5003	}\
		5004	ctx.fill();\
		5005	};\
		5006	ctx.restore();\
		5007	return;\
7653	schaersvoo	5008	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5009	break;
8224	bpr	5010
7614	schaersvoo	5011	case DRAW_DOTFILL:/* not used for userdraw */
		5012	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	5013	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	5014	var obj;\
		5015	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5016	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5017	}\
		5018	else\
		5019	{\
		5020	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5021	};\
		5022	var ctx = obj.getContext(\"2d\");\
		5023	var x,y;\
		5024	ctx.closePath();\
		5025	ctx.save();\
7645	schaersvoo	5026	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5027	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5028	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5029	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		5030	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		5031	ctx.closePath();\
		5032	}\
		5033	}\
		5034	ctx.fill();\
		5035	ctx.restore();\
7653	schaersvoo	5036	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5037	break;
7645	schaersvoo	5038
7647	schaersvoo	5039	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	5040	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5041	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	5042	var obj;\
		5043	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5044	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5045	}\
		5046	else\
		5047	{\
		5048	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5049	};\
		5050	var ctx = obj.getContext(\"2d\");\
		5051	var x;\
		5052	var y;\
		5053	ctx.save();\
		5054	ctx.lineWidth = linewidth;\
		5055	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5056	y = ysize;\
		5057	for( x = x0 ; x < xsize ; x = x + dx ){\
		5058	ctx.moveTo(x,y0);\
		5059	ctx.lineTo(xsize,y);\
		5060	y = y - dy;\
		5061	};\
		5062	y = y0;\
		5063	for( x = xsize ; x > 0 ; x = x - dx){\
		5064	ctx.moveTo(x,ysize);\
		5065	ctx.lineTo(x0,y);\
		5066	y = y + dy;\
		5067	};\
		5068	x = x0;\
		5069	for( y = y0 ; y < ysize ; y = y + dy ){\
		5070	ctx.moveTo(xsize,y);\
		5071	ctx.lineTo(x,ysize);\
		5072	x = x + dx;\
		5073	};\
		5074	x = xsize;\
		5075	for( y = ysize ; y > y0 ; y = y - dy ){\
		5076	ctx.moveTo(x,y0);\
		5077	ctx.lineTo(x0,y);\
		5078	x = x - dx;\
		5079	};\
		5080	ctx.stroke();\
		5081	ctx.restore();\
		5082	return;\
7653	schaersvoo	5083	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5084	break;
8224	bpr	5085
7647	schaersvoo	5086	case DRAW_HATCHFILL:/* not used for userdraw */
		5087	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5088	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	5089	var obj;\
		5090	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5091	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5092	}\
		5093	else\
		5094	{\
		5095	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5096	};\
		5097	var ctx = obj.getContext(\"2d\");\
		5098	var x;\
		5099	var y;\
		5100	ctx.save();\
		5101	ctx.lineWidth = linewidth;\
		5102	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5103	y = ysize;\
		5104	for( x = x0 ; x < xsize ; x = x + dx ){\
		5105	ctx.moveTo(x,y0);\
		5106	ctx.lineTo(xsize,y);\
		5107	y = y - dy;\
		5108	};\
		5109	y = y0;\
		5110	for( x = xsize ; x >= dx ; x = x - dx){\
		5111	ctx.moveTo(x,ysize);\
		5112	ctx.lineTo(x0,y);\
		5113	y = y + dy;\
		5114	};\
		5115	ctx.stroke();\
		5116	ctx.restore();\
		5117	return;\
7653	schaersvoo	5118	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5119	break;
7614	schaersvoo	5120	case DRAW_CIRCLES:/* used for userdraw */
		5121	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5122	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	5123	ctx.save();\
8071	schaersvoo	5124	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5125	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5126	ctx.lineWidth = line_width;\
		5127	for(var p = 0 ; p < x_points.length ; p++ ){\
		5128	ctx.beginPath();\
		5129	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5130	ctx.closePath();\
		5131	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5132	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5133	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5134	ctx.stroke();\
		5135	}\
		5136	ctx.restore();\
		5137	return;\
7653	schaersvoo	5138	};");
7614	schaersvoo	5139	break;
7663	schaersvoo	5140	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5141	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5142	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	5143	ctx.save();\
8071	schaersvoo	5144	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5145	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5146	ctx.lineWidth = line_width;\
		5147	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5148	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5149	ctx.clearRect(0,0,xsize,ysize);\
		5150	ctx.beginPath();\
		5151	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5152	ctx.moveTo(x_points[p],y_points[p]);\
		5153	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5154	}\
		5155	ctx.closePath();\
		5156	ctx.stroke();\
		5157	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5158	for(var p = 0 ; p < x_points.length ; p++ ){\
		5159	ctx.beginPath();\
		5160	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5161	ctx.closePath();ctx.fill();ctx.stroke();\
		5162	};\
		5163	ctx.restore();\
		5164	return;\
		5165	};");
		5166	break;
8224	bpr	5167
7614	schaersvoo	5168	case DRAW_SEGMENTS:/* used for userdraw */
		5169	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5170	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	5171	ctx.save();\
8071	schaersvoo	5172	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5173	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5174	ctx.lineWidth = line_width;\
		5175	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5176	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5177	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5178	ctx.beginPath();\
		5179	ctx.moveTo(x_points[p],y_points[p]);\
		5180	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5181	ctx.closePath();\
		5182	ctx.stroke();\
		5183	}\
		5184	ctx.restore();\
		5185	return;\
		5186	};");
		5187	break;
8224	bpr	5188
7614	schaersvoo	5189	case DRAW_LINES:/* used for userdraw */
		5190	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5191	function calc_line(x1,x2,y1,y2){\
		5192	var marge = 2;\
		5193	if(x1 < x2+marge && x1>x2-marge){\
		5194	return [x1,0,x1,ysize];\
		5195	};\
		5196	if(y1 < y2+marge && y1>y2-marge){\
		5197	return [0,y1,xsize,y1];\
		5198	};\
		5199	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5200	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5201	return [0,Y1,xsize,Y2];\
		5202	};\
8105	schaersvoo	5203	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	5204	ctx.save();\
		5205	var line = new Array(4);\
8071	schaersvoo	5206	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5207	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5208	ctx.lineWidth = line_width;\
		5209	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5210	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5211	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5212	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5213	ctx.beginPath();\
		5214	ctx.moveTo(line[0],line[1]);\
		5215	ctx.lineTo(line[2],line[3]);\
		5216	ctx.closePath();\
		5217	ctx.stroke();\
		5218	}\
		5219	ctx.restore();\
		5220	return;\
		5221	};");
		5222	break;
		5223
8244	schaersvoo	5224	case DRAW_DEMILINES:/* used for userdraw */
		5225	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5226	function find_inf_point(x1,y1,x2,y2){\
		5227	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5228	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5229	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5230	};\
		5231	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){\
		5232	ctx.save();\
		5233	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5234	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5235	ctx.lineWidth = line_width;\
		5236	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5237	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5238	var pair = new Array(4);\
		5239	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5240	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5241	ctx.beginPath();\
		5242	ctx.moveTo(pair[0],pair[1]);\
		5243	ctx.lineTo(pair[2],pair[3]);\
		5244	ctx.closePath();\
		5245	ctx.stroke();\
		5246	}\
		5247	ctx.restore();\
		5248	return;\
		5249	};");
		5250	break;
		5251
7614	schaersvoo	5252	case DRAW_CROSSHAIRS:/* used for userdraw */
		5253	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5254	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	5255	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5256	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5257	ctx.lineWidth = line_width;\
		5258	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5259	var x1,x2,y1,y2;\
		5260	for(var p = 0 ; p < x_points.length ; p++ ){\
		5261	x1 = x_points[p] - crosshair_size;\
		5262	x2 = x_points[p] + crosshair_size;\
		5263	y1 = y_points[p] - crosshair_size;\
		5264	y2 = y_points[p] + crosshair_size;\
		5265	ctx.beginPath();\
		5266	ctx.moveTo(x1,y1);\
		5267	ctx.lineTo(x2,y2);\
		5268	ctx.closePath();\
		5269	ctx.stroke();\
		5270	ctx.beginPath();\
		5271	ctx.moveTo(x2,y1);\
		5272	ctx.lineTo(x1,y2);\
		5273	ctx.closePath();\
		5274	ctx.stroke();\
		5275	}\
		5276	ctx.restore();\
		5277	return;\
7653	schaersvoo	5278	};");
7614	schaersvoo	5279	break;
		5280
		5281	case DRAW_RECTS:/* used for userdraw */
		5282	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5283	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	5284	ctx.save();\
8071	schaersvoo	5285	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5286	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5287	ctx.lineWidth = line_width;\
		5288	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5289	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5290	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5291	ctx.beginPath();\
		5292	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5293	ctx.closePath();\
		5294	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5295	ctx.stroke();\
		5296	};\
		5297	ctx.restore();\
		5298	return;\
7653	schaersvoo	5299	};");
7614	schaersvoo	5300	break;
		5301
		5302	case DRAW_ROUNDRECTS:/* used for userdraw */
		5303	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5304	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	5305	ctx.save();\
8071	schaersvoo	5306	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5307	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5308	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5309	var x,y,w,h,r;\
		5310	for(var p = 0; p < x_points.length; p = p+2){\
		5311	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);\
		5312	ctx.beginPath();ctx.moveTo(x + r, y);\
		5313	ctx.lineTo(x + w - r, y);\
		5314	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5315	ctx.lineTo(x + w, y + h - r);\
		5316	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5317	ctx.lineTo(x + r, y + h);\
		5318	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5319	ctx.lineTo(x, y + r);\
		5320	ctx.quadraticCurveTo(x, y, x + r, y);\
		5321	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5322	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5323	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5324	ctx.stroke();\
		5325	}\
		5326	ctx.restore();\
7653	schaersvoo	5327	};");
8224	bpr	5328	break;
7614	schaersvoo	5329
		5330	case DRAW_ELLIPSES:/* not used for userdraw */
		5331	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5332	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	5333	var obj;\
		5334	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5335	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5336	}\
		5337	else\
		5338	{\
		5339	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5340	};\
		5341	var ctx = obj.getContext(\"2d\");\
		5342	ctx.save();\
8071	schaersvoo	5343	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5344	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5345	var cx,cy,ry,rx;\
		5346	ctx.lineWidth = line_width;\
		5347	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5348	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5349	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5350	for(var p=0;p< x_points.length;p = p+2){\
		5351	ctx.beginPath();\
		5352	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5353	ctx.translate(cx - rx, cy - ry);\
		5354	ctx.scale(rx, ry);\
		5355	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5356	if( use_filled == 1 ){ctx.fill();}\
		5357	ctx.stroke();\
		5358	};\
		5359	ctx.restore();\
7653	schaersvoo	5360	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5361	break;
		5362
		5363	case DRAW_PATHS: /* used for userdraw */
		5364	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5365	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	5366	ctx.save();\
8071	schaersvoo	5367	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5368	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5369	ctx.lineWidth = line_width;\
		5370	ctx.lineJoin = \"round\";\
		5371	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5372	ctx.beginPath();\
		5373	ctx.moveTo(x_points[0],y_points[0]);\
		5374	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5375	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5376	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5377	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5378	ctx.stroke();\
		5379	ctx.restore();\
		5380	return;\
		5381	};");
8224	bpr	5382
7614	schaersvoo	5383	break;
		5384	case DRAW_ARROWS:/* used for userdraw */
		5385	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5386	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	5387	ctx.save();\
8071	schaersvoo	5388	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5389	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5390	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5391	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5392	ctx.lineWidth = line_width;\
		5393	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5394	ctx.lineCap = \"round\";\
		5395	var x1,y1,x2,y2,dx,dy,len;\
		5396	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5397	ctx.save();\
7614	schaersvoo	5398	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5399	len = Math.sqrt(dxdx+dydy);\
		5400	ctx.translate(x2,y2);\
		5401	ctx.rotate(Math.atan2(dy,dx));\
		5402	ctx.lineCap = \"round\";\
		5403	ctx.beginPath();\
		5404	ctx.moveTo(0,0);\
		5405	ctx.lineTo(-len,0);\
		5406	ctx.closePath();\
		5407	ctx.stroke();\
		5408	ctx.beginPath();\
		5409	ctx.moveTo(0,0);\
		5410	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5411	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5412	ctx.closePath();\
		5413	ctx.fill();\
7874	schaersvoo	5414	ctx.restore();\
7614	schaersvoo	5415	if( type == 2 ){\
		5416	ctx.save();\
		5417	ctx.translate(x1,y1);\
		5418	ctx.rotate(Math.atan2(-dy,-dx));\
		5419	ctx.beginPath();\
		5420	ctx.moveTo(0,0);\
		5421	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5422	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5423	ctx.closePath();\
		5424	ctx.stroke();\
		5425	ctx.fill();\
7874	schaersvoo	5426	ctx.restore();\
7614	schaersvoo	5427	}\
		5428	}\
		5429	ctx.restore();\
		5430	return;\
7653	schaersvoo	5431	};");
7614	schaersvoo	5432	break;
		5433
		5434	case DRAW_VIDEO:/* not used for userdraw */
		5435	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5436	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5437	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5438	var video_div = document.createElement(\"div\");\
		5439	canvas_div.appendChild(video_div);\
		5440	video_div.style.position = \"absolute\";\
		5441	video_div.style.left = x+\"px\";\
		5442	video_div.style.top = y+\"px\";\
		5443	video_div.style.width = w+\"px\";\
		5444	video_div.style.height = h+\"px\";\
		5445	var video = document.createElement(\"video\");\
		5446	video_div.appendChild(video);\
		5447	video.style.width = w+\"px\";\
		5448	video.style.height = h+\"px\";\
		5449	video.autobuffer = true;\
		5450	video.controls = true;video.autoplay = false;\
		5451	var src = document.createElement(\"source\");\
		5452	src.type = \"video/mp4\";\
		5453	src.src = URL;\
		5454	video.appendChild(src);\
		5455	video.load();\
		5456	return;\
8224	bpr	5457	};");
7614	schaersvoo	5458	break;
8224	bpr	5459
7614	schaersvoo	5460	case DRAW_AUDIO:/* not used for userdraw */
		5461	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5462	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5463	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5464	var audio_div = document.createElement(\"div\");\
		5465	canvas_div.appendChild(audio_div);\
		5466	audio_div.style.position = \"absolute\";\
		5467	audio_div.style.left = x+\"px\";\
		5468	audio_div.style.top = y+\"px\";\
		5469	audio_div.style.width = w+\"px\";\
		5470	audio_div.style.height = h+\"px\";\
		5471	var audio = document.createElement(\"audio\");\
		5472	audio_div.appendChild(audio);\
		5473	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5474	audio.autobuffer = true;\
		5475	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5476	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5477	var src1 = document.createElement(\"source\");\
		5478	src1.type = \"audio/ogg\";\
		5479	src1.src = URL1;\
		5480	audio.appendChild(src1);\
		5481	var src2 = document.createElement(\"source\");\
		5482	src2.type = \"audio/mpeg\";\
		5483	src2.src = URL2;\
		5484	audio.appendChild(src2);\
		5485	audio.load();\
		5486	return;\
7653	schaersvoo	5487	};");
7614	schaersvoo	5488	break;
8224	bpr	5489
7614	schaersvoo	5490	case DRAW_HTTP:/* not used for userdraw */
		5491	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5492	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5493	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5494	var http_div = document.createElement(\"div\");\
		5495	var iframe = document.createElement(\"iframe\");\
		5496	canvas_div.appendChild(http_div);\
		5497	http_div.appendChild(iframe);\
		5498	iframe.src = URL;\
		5499	iframe.setAttribute(\"width\",w);\
		5500	iframe.setAttribute(\"height\",h);\
		5501	return;\
7653	schaersvoo	5502	};");
7614	schaersvoo	5503	break;
8224	bpr	5504
7614	schaersvoo	5505	case DRAW_XML:
		5506	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5507	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5508	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5509	var xml_div = document.createElement(\"div\");\
		5510	canvas_div.appendChild(xml_div);\
		5511	xml_div.innerHTML = mathml;\
		5512	if(onclick != 0){\
		5513	xml_div.onclick = function(){\
		5514	reply[0] = onclick;\
		5515	alert(\"send \"+onclick+\" ?\");\
		5516	};\
		5517	};\
		5518	xml_div.style.position = \"absolute\";\
		5519	xml_div.style.left = x+\"px\";\
		5520	xml_div.style.top = y+\"px\";\
		5521	xml_div.style.width = w+\"px\";\
		5522	xml_div.style.height = h+\"px\";\
		5523	return;\
7653	schaersvoo	5524	};"
7614	schaersvoo	5525	);
		5526	break;
7654	schaersvoo	5527	case DRAW_SGRAPH:
8224	bpr	5528	/*
7654	schaersvoo	5529	xstart = given
		5530	ystart = given
		5531	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5532	*/
		5533	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5534	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5535	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);};\
		5536	var ctx = obj.getContext(\"2d\");\
		5537	ctx.font = fontfamily;\
		5538	var minor_opacity = 0.8*opacity;\
		5539	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5540	var zero_x = 0.1*xsize;\
		5541	var zero_y = 0.9*ysize;\
8129	schaersvoo	5542	var snor_x;var snor_y;\
7654	schaersvoo	5543	if( xstart != xmin){\
7658	schaersvoo	5544	snor_x = 0.1*xsize;\
		5545	}\
		5546	else\
		5547	{\
		5548	snor_x = 0;\
		5549	xstart = xmin;\
		5550	};\
		5551	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5552	ctx.lineWidth = 2;\
		5553	ctx.beginPath();\
		5554	ctx.moveTo(xsize,zero_y);\
		5555	ctx.lineTo(zero_x,zero_y);\
		5556	ctx.lineTo(zero_x,0);\
		5557	ctx.stroke();\
		5558	ctx.closePath();\
		5559	ctx.beginPath();\
		5560	ctx.moveTo(zero_x,zero_y);\
		5561	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5562	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5563	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5564	ctx.lineTo(zero_x + snor_x,zero_y);\
		5565	ctx.stroke();\
		5566	ctx.closePath();\
		5567	ctx.beginPath();\
		5568	var num = xstart;\
7660	schaersvoo	5569	var flipflop = 1;\
7658	schaersvoo	5570	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5571	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5572	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5573	txtsize = ctx.measureText(num).width;\
		5574	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5575	if( flipflop == 1){\
		5576	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5577	}\
		5578	else\
		5579	{\
		5580	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5581	}\
		5582	num = num + xmajor;\
7658	schaersvoo	5583	};\
		5584	ctx.stroke();\
		5585	ctx.closePath();\
		5586	ctx.lineWidth = 1;\
		5587	ctx.beginPath();\
		5588	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5589	ctx.moveTo(x,zero_y);\
		5590	ctx.lineTo(x,0);\
		5591	};\
		5592	ctx.stroke();\
		5593	ctx.closePath();\
		5594	if( xminor > 1){\
		5595	ctx.lineWidth = 0.5;\
		5596	ctx.beginPath();\
		5597	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5598	var minor_step_x = step_x / xminor;\
		5599	var nx;\
		5600	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5601	num = 1;\
		5602	for(var p = 1 ; p < xminor ; p++){\
		5603	nx = x + num*minor_step_x;\
		5604	ctx.moveTo(nx,zero_y);\
		5605	ctx.lineTo(nx,0);\
		5606	num++;\
		5607	};\
		5608	};\
		5609	ctx.stroke();\
		5610	ctx.closePath();\
		5611	ctx.beginPath();\
		5612	ctx.lineWidth = 2;\
		5613	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5614	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5615	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5616	};\
		5617	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5618	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5619	};\
		5620	ctx.stroke();\
		5621	ctx.closePath();\
		5622	ctx.lineWidth = 0.5;\
		5623	};\
		5624	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5625	if( ystart != ymin){\
		5626	snor_y = 0.1*ysize;\
		5627	}\
		5628	else\
		5629	{\
		5630	snor_y = 0;\
		5631	ystart = ymin;\
		5632	};\
		5633	ctx.lineWidth = 2;\
		5634	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5635	ctx.beginPath();\
		5636	ctx.moveTo(zero_x,zero_y);\
		5637	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5638	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5639	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5640	ctx.lineTo(zero_x,zero_y - snor_y);\
		5641	ctx.stroke();\
		5642	ctx.closePath();\
		5643	ctx.beginPath();\
		5644	ctx.lineWidth = 1;\
		5645	num = ystart;\
		5646	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5647	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5648	ctx.moveTo(zero_x,y);\
		5649	ctx.lineTo(xsize,y);\
		5650	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5651	num = num + ymajor;\
		5652	};\
		5653	ctx.stroke();\
		5654	ctx.closePath();\
		5655	if( yminor > 1){\
		5656	ctx.lineWidth = 0.5;\
		5657	ctx.beginPath();\
		5658	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5659	var minor_step_y = step_y / yminor;\
		5660	var ny;\
		5661	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5662	num = 1;\
		5663	for(var p = 1 ;p < yminor;p++){\
		5664	ny = y + num*minor_step_y;\
		5665	ctx.moveTo(zero_x,ny);\
		5666	ctx.lineTo(xsize,ny);\
		5667	num++;\
		5668	};\
		5669	};\
		5670	ctx.stroke();\
		5671	ctx.closePath();\
		5672	ctx.lineWidth = 2;\
		5673	ctx.beginPath();\
		5674	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5675	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5676	ctx.moveTo(zero_x,y);\
		5677	ctx.lineTo(zero_x+12,y);\
		5678	};\
		5679	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5680	ctx.moveTo(zero_x,y);\
		5681	ctx.lineTo(zero_x+6,y);\
		5682	};\
		5683	ctx.stroke();\
		5684	ctx.closePath();\
		5685	};\
		5686	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5687	if( typeof legend%d !== 'undefined' ){\
		5688	ctx.globalAlpha = 1.0;\
		5689	var y_offset = 2*font_size;\
		5690	var txt;var txt_size;\
		5691	var x_offset = xsize - 2*font_size;\
		5692	var l_length = legend%d.length;var barcolor = new Array();\
		5693	if( typeof legendcolors%d !== 'undefined' ){\
		5694	for(var p = 0 ; p < l_length ; p++){\
		5695	barcolor[p] = legendcolors%d[p];\
		5696	};\
		5697	}else{\
		5698	if( barcolor.length == 0 ){\
		5699	for(var p = 0 ; p < l_length ; p++){\
		5700	barcolor[p] = stroke_color;\
		5701	};\
		5702	};\
		5703	};\
		5704	for(var p = 0; p < l_length; p++){\
		5705	ctx.fillStyle = barcolor[p];\
		5706	txt = legend%d[p];\
		5707	txt_size = ctx.measureText(txt).width;\
		5708	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5709	y_offset = parseInt(y_offset + 1.5*font_size);\
		5710	};\
		5711	};\
7660	schaersvoo	5712	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5713	ctx.fillStyle = \'#000000\';\
		5714	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5715	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5716	};\
7660	schaersvoo	5717	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5718	ctx.save();\
		5719	ctx.fillStyle = \'#000000\';\
		5720	var txt_size = ctx.measureText(yaxislabel).width;\
		5721	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5722	ctx.rotate(-0.5*Math.PI);\
		5723	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5724	ctx.restore();\
7658	schaersvoo	5725	};\
7654	schaersvoo	5726	};\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);
		5727	break;
7614	schaersvoo	5728
		5729	case DRAW_GRID:/* not used for userdraw */
		5730	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5731	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	5732	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);};\
		5733	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5734	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5735	ctx.save();\
8071	schaersvoo	5736	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5737	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5738	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5739	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5740	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5741	ctx.font = font_family;\
7988	schaersvoo	5742	var barcolor = new Array();\
7614	schaersvoo	5743	var xstep = xsize*xmajor/(xmax - xmin);\
		5744	var ystep = ysize*ymajor/(ymax - ymin);\
		5745	var x2step = xstep / xminor;\
		5746	var y2step = ystep / yminor;\
7996	schaersvoo	5747	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5748	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5749	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5750	ctx.beginPath();\
		5751	ctx.lineWidth = line_width;\
		5752	ctx.strokeStyle = stroke_color;\
		5753	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5754	ctx.moveTo(p,0);\
		5755	ctx.lineTo(p,ysize);\
		5756	};\
		5757	for(var p = zero_x ; p > 0; p = p - xstep){\
		5758	ctx.moveTo(p,0);\
		5759	ctx.lineTo(p,ysize);\
		5760	};\
		5761	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5762	ctx.moveTo(0,p);\
		5763	ctx.lineTo(xsize,p);\
		5764	};\
		5765	for(var p = zero_y ; p > 0; p = p - ystep){\
		5766	ctx.moveTo(0,p);\
		5767	ctx.lineTo(xsize,p);\
		5768	};\
		5769	if( typeof xaxislabel !== 'undefined' ){\
		5770	ctx.save();\
		5771	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5772	var corr = ctx.measureText(xaxislabel).width;\
		5773	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5774	ctx.restore();\
		5775	};\
		5776	if( typeof yaxislabel !== 'undefined' ){\
		5777	ctx.save();\
		5778	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5779	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5780	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5781	ctx.rotate(-0.5*Math.PI);\
		5782	ctx.fillText(yaxislabel,0,0);\
		5783	ctx.restore();\
		5784	};\
		5785	ctx.stroke();\
		5786	ctx.closePath();\
		5787	if( use_axis == 1 ){\
7988	schaersvoo	5788	ctx.save();\
7614	schaersvoo	5789	ctx.beginPath();\
		5790	ctx.strokeStyle = stroke_color;\
		5791	ctx.lineWidth = 0.6*line_width;\
		5792	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5793	ctx.moveTo(p,0);\
		5794	ctx.lineTo(p,ysize);\
		5795	};\
		5796	for(var p = zero_x ; p > 0; p = p - x2step){\
		5797	ctx.moveTo(p,0);\
		5798	ctx.lineTo(p,ysize);\
		5799	};\
		5800	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5801	ctx.moveTo(0,p);\
		5802	ctx.lineTo(xsize,p);\
		5803	};\
		5804	for(var p = zero_y ; p > 0; p = p - y2step){\
		5805	ctx.moveTo(0,p);\
		5806	ctx.lineTo(xsize,p);\
		5807	};\
		5808	ctx.stroke();\
		5809	ctx.closePath();\
		5810	ctx.beginPath();\
		5811	ctx.lineWidth = 2*line_width;\
		5812	ctx.strokeStyle = axis_color;\
		5813	ctx.moveTo(0,zero_y);\
		5814	ctx.lineTo(xsize,zero_y);\
		5815	ctx.moveTo(zero_x,0);\
		5816	ctx.lineTo(zero_x,ysize);\
		5817	ctx.stroke();\
		5818	ctx.closePath();\
		5819	ctx.lineWidth = line_width+0.5;\
		5820	ctx.beginPath();\
		5821	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5822	ctx.moveTo(p,zero_y-tics_length);\
		5823	ctx.lineTo(p,zero_y+tics_length);\
		5824	};\
		5825	for(var p = zero_x ; p > 0; p = p - xstep){\
		5826	ctx.moveTo(p,zero_y-tics_length);\
		5827	ctx.lineTo(p,zero_y+tics_length);\
		5828	};\
		5829	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5830	ctx.moveTo(zero_x-tics_length,p);\
		5831	ctx.lineTo(zero_x+tics_length,p);\
		5832	};\
		5833	for(var p = zero_y ; p > 0; p = p - ystep){\
		5834	ctx.moveTo(zero_x-tics_length,p);\
		5835	ctx.lineTo(zero_x+tics_length,p);\
		5836	};\
		5837	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5838	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5839	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5840	};\
		5841	for(var p = zero_x ; p > 0; p = p - x2step){\
		5842	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5843	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5844	};\
		5845	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5846	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5847	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5848	};\
		5849	for(var p = zero_y ; p > 0; p = p - y2step){\
		5850	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5851	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5852	};\
		5853	ctx.stroke();\
		5854	ctx.closePath();\
7988	schaersvoo	5855	ctx.restore();\
		5856	};\
		5857	if( use_axis_numbering == 1 ){\
		5858	ctx.save();\
		5859	ctx.fillColor = axis_color;\
8110	schaersvoo	5860	ctx.strokeStyle = axis_color;\
		5861	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5862	ctx.font = font_family;\
		5863	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5864	if( x_strings != null ){\
		5865	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5866	ctx.beginPath();\
7988	schaersvoo	5867	for(var p = 0 ; p < len ; p = p+2){\
		5868	var x_nums = x2px(eval(x_strings[p]));\
		5869	var x_text = x_strings[p+1];\
		5870	corr = ctx.measureText(x_text).width;\
		5871	skip = 1.2*corr/xstep;\
		5872	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5873	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5874	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5875	ctx.moveTo(x_nums,zero_y - tics_length);\
		5876	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	5877	};\
8110	schaersvoo	5878	ctx.closePath();\
7988	schaersvoo	5879	}\
		5880	else\
		5881	{\
		5882	skip = 1;cnt = px2x(zero_x);\
		5883	prec = Math.log(precision)/(Math.log(10));\
		5884	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		5885	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		5886	if(skip == 0 ){\
7990	schaersvoo	5887	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5888	corr = ctx.measureText(disp_cnt).width;\
		5889	skip = parseInt(1.2*corr/xstep);\
		5890	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5891	}\
7988	schaersvoo	5892	else\
		5893	{\
		5894	skip--;\
7614	schaersvoo	5895	};\
7988	schaersvoo	5896	cnt = cnt + xmajor;\
7614	schaersvoo	5897	};\
7988	schaersvoo	5898	cnt = px2x(zero_x);skip = 1;\
		5899	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		5900	if(skip == 0 ){\
7990	schaersvoo	5901	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5902	corr = ctx.measureText(disp_cnt).width;\
		5903	skip = parseInt(1.2*corr/xstep);\
		5904	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		5905	}\
		5906	else\
		5907	{\
		5908	skip--;\
7614	schaersvoo	5909	};\
7988	schaersvoo	5910	cnt = cnt - xmajor;\
7614	schaersvoo	5911	};\
		5912	};\
7988	schaersvoo	5913	if( y_strings != null ){\
		5914	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5915	ctx.beginPath();\
7988	schaersvoo	5916	for(var p = 0 ; p < len ; p = p+2){\
		5917	var y_nums = y2px(eval(y_strings[p]));\
		5918	var y_text = y_strings[p+1];\
		5919	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5920	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	5921	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		5922	ctx.moveTo(zero_x - tics_length,y_nums);\
		5923	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	5924	};\
8110	schaersvoo	5925	ctx.closePath();\
7988	schaersvoo	5926	}\
		5927	else\
		5928	{\
7991	schaersvoo	5929	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5930	cnt = px2y(zero_y);skip = 1;\
		5931	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		5932	if(skip == 0 ){\
		5933	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5934	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5935	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5936	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5937	}\
		5938	else\
		5939	{\
		5940	skip--;\
		5941	};\
		5942	cnt = cnt - ymajor;\
7614	schaersvoo	5943	};\
7988	schaersvoo	5944	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	5945	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5946	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		5947	if(skip == 0 ){\
		5948	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5949	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5950	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5951	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5952	}\
		5953	else\
		5954	{\
		5955	skip--;\
		5956	};\
		5957	cnt = cnt + ymajor;\
7614	schaersvoo	5958	};\
		5959	};\
7988	schaersvoo	5960	ctx.stroke();\
7614	schaersvoo	5961	ctx.restore();\
		5962	};\
7956	schaersvoo	5963	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	5964	ctx.save();\
7614	schaersvoo	5965	ctx.globalAlpha = 1.0;\
		5966	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5967	var y_offset = 2*font_size;\
		5968	var txt;var txt_size;\
		5969	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	5970	var l_length = legend0.length;\
		5971	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	5972	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	5973	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	5974	};\
7988	schaersvoo	5975	}\
		5976	else\
		5977	{\
7614	schaersvoo	5978	if( barcolor.length == 0 ){\
		5979	for(var p = 0 ; p < l_length ; p++){\
		5980	barcolor[p] = stroke_color;\
		5981	};\
		5982	};\
		5983	};\
		5984	for(var p = 0; p < l_length; p++){\
		5985	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	5986	txt = legend0[p];\
7614	schaersvoo	5987	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	5988	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	5989	y_offset = parseInt(y_offset + 1.5*font_size);\
		5990	};\
7988	schaersvoo	5991	ctx.restore();\
7614	schaersvoo	5992	};\
7991	schaersvoo	5993	if( typeof barchart_0 !== 'undefined' ){\
		5994	ctx.save();\
		5995	var num_barcharts = 0;\
		5996	var bar_name = eval('barchart_0');\
		5997	while( typeof bar_name !== 'undefined' ){\
		5998	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		5999	};\
		6000	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		6001	for(var i=0 ; i< num_barcharts ; i++){\
		6002	bar_name = eval('barchart_'+i);\
		6003	var bar_x = new Array();\
		6004	var bar_y = new Array();\
		6005	var lb = bar_name.length;\
		6006	var idx = 0;\
		6007	var dx = parseInt(0.5ibar_width);\
		6008	for( var p = 0 ; p < lb ; p = p + 3 ){\
		6009	bar_x[idx] = x2px(bar_name[p]);\
		6010	bar_y[idx] = y2px(bar_name[p+1]);\
		6011	barcolor[idx] = bar_name[p+2];\
		6012	idx++;\
		6013	};\
		6014	ctx.globalAlpha = fill_opacity;\
		6015	ctx.beginPath();\
		6016	for( var p = 0; p < idx ; p++ ){\
		6017	ctx.strokeStyle = barcolor[p];\
		6018	ctx.fillStyle = barcolor[p];\
		6019	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		6020	};\
		6021	ctx.fill();\
		6022	ctx.stroke();\
		6023	ctx.closePath();\
		6024	};\
		6025	ctx.restore();\
		6026	};\
7996	schaersvoo	6027	if( typeof linegraph_0 !== 'undefined' ){\
		6028	ctx.save();\
		6029	ctx.globalAlpha = 1.0;\
		6030	var i = 0;\
		6031	var line_name = eval('linegraph_'+i);\
		6032	while ( typeof line_name !== 'undefined' ){\
		6033	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		6034	ctx.lineWidth = parseInt(line_name[1]);\
		6035	if(line_name[2] == \"1\"){\
		6036	var d1 = parseInt(line_name[3]);\
		6037	var d2 = parseInt(line_name[4]);\
		6038	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		6039	}\
		6040	else\
		6041	{\
		6042	if(ctx.setLineDash){ctx.setLineDash = null;}\
		6043	if(ctx.mozDash){ctx.mozDash = null;}\
		6044	};\
		6045	var data_x = new Array();\
		6046	var data_y = new Array();\
		6047	var lb = line_name.length;\
		6048	var idx = 0;\
		6049	for( var p = 5 ; p < lb ; p = p + 2 ){\
		6050	data_x[idx] = x2px(line_name[p]);\
		6051	data_y[idx] = y2px(line_name[p+1]);\
		6052	idx++;\
		6053	};\
		6054	for( var p = 0; p < idx ; p++){\
		6055	ctx.beginPath();\
		6056	ctx.moveTo(data_x[p],data_y[p]);\
		6057	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		6058	ctx.stroke();\
		6059	ctx.closePath();\
		6060	};\
		6061	i++;\
		6062	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		6063	};\
		6064	ctx.restore();\
		6065	};\
7614	schaersvoo	6066	return;\
7989	schaersvoo	6067	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6068	break;
8224	bpr	6069
7614	schaersvoo	6070	case DRAW_PIECHART:
7987	schaersvoo	6071	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	6072	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	6073	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6074	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6075	}\
		6076	else\
		6077	{\
		6078	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6079	};\
		6080	var ld = data_color_list.length;\
		6081	var sum = 0;\
		6082	var idx = 0;\
7956	schaersvoo	6083	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	6084	var colors = new Array();\
		6085	var data = new Array();\
		6086	for(var p = 0;p < ld; p = p + 2){\
		6087	data[idx] = parseFloat(data_color_list[p]);\
		6088	sum = sum + data[idx];\
		6089	colors[idx] = data_color_list[p+1];\
		6090	idx++;\
		6091	};\
		6092	var ctx = obj.getContext(\"2d\");\
		6093	ctx.save();\
		6094	var angle;\
		6095	var angle_end = 0;\
		6096	var offset = Math.PI / 2;\
		6097	ctx.globalAlpha = fill_opacity;\
		6098	for(var p=0; p < idx; p++){\
		6099	ctx.beginPath();\
		6100	ctx.fillStyle = colors[p];\
		6101	ctx.moveTo(x_center,y_center);\
		6102	angle = Math.PI * (2 * data[p] / sum);\
		6103	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		6104	ctx.lineTo(x_center, y_center);\
		6105	ctx.fill();\
		6106	ctx.closePath();\
		6107	angle_end = angle_end + angle;\
		6108	};\
7956	schaersvoo	6109	if(typeof legend0 !== 'undefined'){\
		6110	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	6111	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6112	ctx.font = font_family;\
7614	schaersvoo	6113	var y_offset = font_size; \
		6114	var x_offset = 0;\
		6115	var txt;var txt_size;\
		6116	for(var p = 0; p < idx; p++){\
		6117	ctx.fillStyle = colors[p];\
7956	schaersvoo	6118	txt = legenda[p];\
7614	schaersvoo	6119	txt_size = ctx.measureText(txt).width;\
		6120	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6121	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6122	y_offset = parseInt(y_offset + 1.5*font_size);\
		6123	};\
		6124	};\
		6125	ctx.restore();\
7956	schaersvoo	6126	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6127
7614	schaersvoo	6128	break;
		6129	case DRAW_ARCS:
		6130	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6131	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	6132	ctx.save();\
		6133	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6134	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6135	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6136	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6137	start = 360 - start;\
		6138	end = 360 - end;\
7614	schaersvoo	6139	ctx.lineWidth = line_width;\
		6140	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6141	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6142	ctx.beginPath();\
		6143	ctx.moveTo(xc,yc);\
		6144	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6145	ctx.lineTo(xc,yc);\
		6146	ctx.closePath();\
7614	schaersvoo	6147	if( use_filled == 1 ){\
		6148	ctx.fill();\
8071	schaersvoo	6149	};\
		6150	ctx.stroke();\
7614	schaersvoo	6151	ctx.restore();\
8071	schaersvoo	6152	};");
8224	bpr	6153
7614	schaersvoo	6154	break;
7983	schaersvoo	6155	case DRAW_CENTERSTRING:
		6156	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6157	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6158	var obj;\
		6159	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6160	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6161	}\
		6162	else\
		6163	{\
		6164	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6165	};\
		6166	var ctx = obj.getContext(\"2d\");\
		6167	ctx.save();\
		6168	ctx.font = font_family;\
		6169	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6170	var stringwidth = ctx.measureText(text).width;\
		6171	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6172	ctx.fillText(text,x,y2px(y));\
		6173	return;\
		6174	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6175	break;
7614	schaersvoo	6176	case DRAW_TEXTS:
		6177	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6178	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	6179	var obj;\
		6180	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6181	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6182	}\
		6183	else\
		6184	{\
		6185	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6186	};\
		6187	var ctx = obj.getContext(\"2d\");\
		6188	if(angle2 == 0 && angle != 0){\
		6189	ctx.save();\
8071	schaersvoo	6190	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6191	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6192	};\
		6193	if( font_family.indexOf('px') != null ){\
		6194	ctx.font = font_family;\
		6195	}\
		6196	else\
		6197	{\
7956	schaersvoo	6198	ctx.font = font_family;\
7614	schaersvoo	6199	};\
		6200	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6201	if(angle2 != 0){\
		6202	ctx.save();\
		6203	ctx.translate(x,y);\
		6204	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6205	ctx.fillText(text,0,0);\
		6206	ctx.restore();\
		6207	}else{ctx.fillText(text,x,y);};\
		6208	ctx.restore();\
		6209	return;\
7653	schaersvoo	6210	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6211	break;
		6212	case DRAW_CURVE:
		6213	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6214	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	6215	var obj;\
		6216	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6217	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6218	}\
		6219	else\
		6220	{\
		6221	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6222	};\
		6223	var ctx = obj.getContext(\"2d\");\
		6224	ctx.save();\
8071	schaersvoo	6225	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6226	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6227	ctx.beginPath();ctx.lineWidth = line_width;\
		6228	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6229	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6230	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6231	for(var p = 1 ; p < x_points.length ; p++){\
		6232	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6233	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6234	}\
		6235	else\
		6236	{\
		6237	ctx.stroke();\
		6238	ctx.beginPath();\
		6239	p++;\
		6240	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6241	};\
		6242	};\
		6243	ctx.stroke();\
		6244	ctx.restore();\
7653	schaersvoo	6245	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6246	break;
8224	bpr	6247
7614	schaersvoo	6248	case DRAW_INPUTS:
		6249	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6250	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6251	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6252	var input = document.createElement(\"input\");\
		6253	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6254	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6255	input.setAttribute(\"size\",size);\
		6256	input.setAttribute(\"value\",value);\
7877	schaersvoo	6257	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6258	canvas_div.appendChild(input);};");
7614	schaersvoo	6259	break;
8224	bpr	6260
7614	schaersvoo	6261	case DRAW_TEXTAREAS:
		6262	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6263	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6264	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6265	var textarea = document.createElement(\"textarea\");\
		6266	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6267	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6268	textarea.setAttribute(\"cols\",cols);\
		6269	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6270	textarea.value = value;\
		6271	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6272	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6273	break;
8224	bpr	6274
7614	schaersvoo	6275	case DRAW_PIXELS:
		6276	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6277	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6278	var canvas = create_canvas%d(10,xsize,ysize);\
		6279	var d = 0.5*pixelsize;\
		6280	var ctx = canvas.getContext(\"2d\");\
		6281	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6282	ctx.clearRect(0,0,xsize,ysize);\
		6283	for(var p=0; p<x.length;p++){\
		6284	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6285	};\
		6286	ctx.fill();ctx.stroke();\
		6287	};",canvas_root_id);
		6288	break;
		6289
		6290	case DRAW_CLOCK:
		6291	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6292	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6293	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6294	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6295	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6296	clock_ctx.save();\
7997	schaersvoo	6297	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6298	this.type = type \|\| 0;\
		6299	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6300	this.H = H;\
		6301	this.M = M;\
		6302	this.S = S;\
8000	schaersvoo	6303	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6304	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6305	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6306	this.xc = xc \|\| xsize/2;\
		6307	this.yc = yc \|\| ysize/2;\
		6308	this.radius = radius \|\| xsize/4;\
		6309	var font_size = parseInt(0.2*this.radius);\
		6310	this.H_color = h_color \|\| \"blue\";\
		6311	this.M_color = m_color \|\| \"blue\";\
		6312	this.S_color = s_color \|\| \"blue\";\
		6313	this.fg_color = fg_color \|\| \"red\";\
		6314	this.bg_color = bg_color \|\| \"white\";\
		6315	clock_ctx.translate(this.xc,this.yc);\
		6316	clock_ctx.beginPath();\
		6317	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6318	clock_ctx.fillStyle = this.bg_color;\
		6319	clock_ctx.fill();\
		6320	clock_ctx.closePath();\
		6321	clock_ctx.beginPath();\
		6322	clock_ctx.font = font_size+\"px Arial\";\
		6323	clock_ctx.fillStyle = this.fg_color;\
		6324	clock_ctx.textAlign = \"center\";\
		6325	clock_ctx.textBaseline = 'middle';\
		6326	var angle;var x1,y1,x2,y2;\
		6327	var angle_cos;var angle_sin;\
7997	schaersvoo	6328	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6329	switch(type){\
		6330	case 0:clock_ctx.beginPath();\
		6331	for(var p = 1; p <= 12 ; p++){\
		6332	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6333	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6334	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6335	clock_ctx.moveTo(x1,y1);\
		6336	clock_ctx.lineTo(x2,y2);\
		6337	};\
		6338	for(var p = 1; p <= 60 ; p++){\
		6339	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6340	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6341	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6342	clock_ctx.moveTo(x1,y1);\
		6343	clock_ctx.lineTo(x2,y2);\
		6344	};\
		6345	clock_ctx.closePath();\
		6346	clock_ctx.stroke();\
		6347	break;\
		6348	case 1:\
		6349	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	6350	case 2:\
		6351	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	6352	clock_ctx.beginPath();\
		6353	for(var p = 1; p <= 12 ; p++){\
		6354	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6355	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6356	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6357	clock_ctx.moveTo(x1,y1);\
		6358	clock_ctx.lineTo(x2,y2);\
		6359	};\
		6360	for(var p = 1; p <= 60 ; p++){\
		6361	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6362	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6363	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6364	clock_ctx.moveTo(x1,y1);\
		6365	clock_ctx.lineTo(x2,y2);\
		6366	};\
		6367	clock_ctx.closePath();\
		6368	clock_ctx.stroke();\
		6369	break;\
		6370	};\
		6371	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6372	clock_ctx.rotate(angle);\
		6373	clock_ctx.beginPath();\
		6374	clock_ctx.moveTo(-3, -2);\
		6375	clock_ctx.lineTo(-3, 2);\
		6376	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6377	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6378	clock_ctx.fillStyle = this.H_color;\
		6379	clock_ctx.fill();\
		6380	clock_ctx.rotate(-angle);\
		6381	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6382	clock_ctx.rotate(angle);\
		6383	clock_ctx.beginPath();\
		6384	clock_ctx.moveTo(-3, -2);\
		6385	clock_ctx.lineTo(-3, 2);\
		6386	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6387	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6388	clock_ctx.fillStyle = this.M_color;\
		6389	clock_ctx.fill();\
		6390	clock_ctx.rotate(-angle);\
		6391	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6392	clock_ctx.rotate(angle);\
		6393	clock_ctx.beginPath();\
		6394	clock_ctx.moveTo(0,0);\
		6395	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6396	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6397	clock_ctx.strokeStyle = this.S_color;\
		6398	clock_ctx.stroke();\
		6399	clock_ctx.restore();\
7653	schaersvoo	6400	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6401	break;
		6402
		6403	case DRAW_LATTICE:
		6404	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6405	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	6406	var obj;\
		6407	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6408	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6409	}\
		6410	else\
		6411	{\
		6412	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6413	};\
		6414	var ctx = obj.getContext(\"2d\");\
		6415	ctx.save();\
8071	schaersvoo	6416	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6417	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6418	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6419	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6420	var radius = line_width;\
		6421	var x = 0;\
		6422	var y = 0;\
		6423	var x_step_px = xsize/(xmax-xmin);\
		6424	var y_step_px = ysize/(ymax-ymin);\
		6425	var xv1 = dx1*x_step_px;\
		6426	var yv1 = dy1*y_step_px;\
		6427	var xv2 = dx2*x_step_px;\
		6428	var yv2 = dy2*y_step_px;\
		6429	for(var p = 0; p < n1 ;p++){\
		6430	x = p*xv1 + x0;\
		6431	y = p*yv1 + y0;\
		6432	for(var c = 0; c < n2 ; c++){\
		6433	ctx.beginPath();\
		6434	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6435	ctx.fill();\
		6436	ctx.stroke();\
		6437	ctx.closePath();\
		6438	};\
		6439	};\
		6440	ctx.restore();\
		6441	return;\
7653	schaersvoo	6442	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6443	break;
7735	schaersvoo	6444	case DRAW_XYLOGSCALE:
		6445	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6446	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	6447	var obj;\
		6448	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6449	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6450	}\
		6451	else\
		6452	{\
		6453	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6454	};\
		6455	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6456	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6457	ctx.save();\
7739	schaersvoo	6458	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6459	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6460	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6461	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6462	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6463	if(use_axis_numbering == 1){\
7956	schaersvoo	6464	ctx.font = font_family;\
		6465	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6466	ymarge = parseInt(1.5*font_size);\
		6467	ctx.save();\
		6468	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6469	ctx.rect(0,0,xmarge,ysize);\
		6470	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6471	ctx.fill();\
		6472	ctx.restore();\
		6473	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6474	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6475	ctx.save();\
		6476	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6477	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6478	corr = ctx.measureText(xaxislabel).width;\
		6479	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6480	ctx.restore();\
		6481	};\
7735	schaersvoo	6482	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6483	ctx.save();\
		6484	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6485	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6486	corr = ctx.measureText(yaxislabel).width;\
		6487	ctx.translate(xmarge+font_size,corr+font_size);\
		6488	ctx.rotate(-0.5*Math.PI);\
		6489	ctx.fillText(yaxislabel,0,0);\
		6490	ctx.restore();\
		6491	};\
		6492	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6493	ctx.lineWidth = line_width;\
		6494	for(var p = x_min; p <= x_max ; p++){\
		6495	num = Math.pow(xlogbase,p);\
		6496	for(var i = 1 ; i < xlogbase ; i++){\
		6497	x_e = x2px(i*num);\
7735	schaersvoo	6498	if( i == 1 ){\
7956	schaersvoo	6499	ctx.lineWidth = line_width;\
		6500	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6501	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6502	xtxt = xlogbase+'^'+p.toFixed(0);\
		6503	corr = 0.5*(ctx.measureText(xtxt).width);\
		6504	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6505	};\
7735	schaersvoo	6506	}else{\
7956	schaersvoo	6507	ctx.lineWidth = 0.2*line_width;\
		6508	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6509	};\
7738	schaersvoo	6510	if( x_e >= xmarge ){\
7956	schaersvoo	6511	ctx.beginPath();\
		6512	ctx.moveTo(x_e,0);\
		6513	ctx.lineTo(x_e,ysize - ymarge);\
		6514	ctx.stroke();\
		6515	ctx.closePath();\
7738	schaersvoo	6516	};\
7956	schaersvoo	6517	};\
		6518	};\
		6519	for(var p = y_min; p <= y_max ; p++){\
		6520	num = Math.pow(ylogbase,p);\
		6521	for(var i = 1 ; i < ylogbase ; i++){\
		6522	y_e = y2px(i*num);\
		6523	if( i == 1 ){\
		6524	ctx.lineWidth = line_width;\
7735	schaersvoo	6525	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6526	if( use_axis_numbering == 1 && p > y_min){\
		6527	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6528	};\
		6529	}else{\
		6530	ctx.lineWidth = 0.2*line_width;\
		6531	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6532	};\
		6533	ctx.beginPath();\
		6534	ctx.moveTo(xmarge,y_e);\
		6535	ctx.lineTo(xsize,y_e);\
		6536	ctx.stroke();\
		6537	ctx.closePath();\
		6538	};\
		6539	};\
7735	schaersvoo	6540	ctx.restore();\
		6541	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6542	break;
7614	schaersvoo	6543
7735	schaersvoo	6544	case DRAW_XLOGSCALE:
		6545	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6546	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	6547	var obj;\
		6548	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6549	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6550	}\
		6551	else\
		6552	{\
		6553	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6554	};\
		6555	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6556	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6557	ctx.save();\
		6558	ctx.lineWidth = line_width;\
7739	schaersvoo	6559	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6560	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6561	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6562	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6563	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6564	if(use_axis_numbering == 1){\
7956	schaersvoo	6565	ctx.font = font_family;\
		6566	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6567	ymarge = parseInt(1.5*font_size);\
		6568	ctx.save();\
		6569	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6570	ctx.rect(0,0,xmarge,ysize);\
		6571	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6572	ctx.fill();\
		6573	ctx.restore();\
		6574	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6575	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6576	ctx.save();\
		6577	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6578	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6579	corr = ctx.measureText(xaxislabel).width;\
		6580	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6581	ctx.restore();\
		6582	};\
7739	schaersvoo	6583	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6584	ctx.save();\
		6585	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6586	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6587	corr = ctx.measureText(yaxislabel).width;\
		6588	ctx.translate(xmarge+font_size,corr+font_size);\
		6589	ctx.rotate(-0.5*Math.PI);\
		6590	ctx.fillText(yaxislabel,0,0);\
		6591	ctx.restore();\
		6592	};\
		6593	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6594	ctx.lineWidth = line_width;\
		6595	for(var p = x_min; p <= x_max ; p++){\
		6596	num = Math.pow(xlogbase,p);\
		6597	for(var i = 1 ; i < xlogbase ; i++){\
		6598	x_e = x2px(i*num);\
7735	schaersvoo	6599	if( i == 1 ){\
7956	schaersvoo	6600	ctx.lineWidth = line_width;\
7739	schaersvoo	6601	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6602	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6603	xtxt = xlogbase+'^'+p.toFixed(0);\
		6604	corr = 0.5*(ctx.measureText(xtxt).width);\
		6605	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6606	};\
		6607	}else{\
7956	schaersvoo	6608	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6609	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6610	};\
7739	schaersvoo	6611	if( x_e >= xmarge ){\
7956	schaersvoo	6612	ctx.beginPath();\
		6613	ctx.moveTo(x_e,0);\
		6614	ctx.lineTo(x_e,ysize - ymarge);\
		6615	ctx.stroke();\
		6616	ctx.closePath();\
7739	schaersvoo	6617	};\
		6618	};\
7956	schaersvoo	6619	};\
7735	schaersvoo	6620	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6621	var minor_step = stepy / yminor;\
7749	schaersvoo	6622	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6623	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6624	ctx.lineWidth = line_width;\
		6625	ctx.beginPath();\
		6626	ctx.moveTo(xmarge,y);\
		6627	ctx.lineTo(xsize,y);\
		6628	ctx.stroke();\
		6629	ctx.closePath();\
7735	schaersvoo	6630	if( use_axis_numbering == 1){\
		6631	ytxt = (px2y(y)).toFixed(prec);\
		6632	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6633	};\
		6634	for(var dy = 1 ; dy < yminor ; dy++){\
		6635	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6636	ctx.lineWidth = 0.2*line_width;\
		6637	ctx.beginPath();\
7739	schaersvoo	6638	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6639	ctx.lineTo(xsize,y+dy*minor_step);\
		6640	ctx.stroke();\
		6641	ctx.closePath();\
7735	schaersvoo	6642	};\
		6643	};\
7956	schaersvoo	6644	ctx.restore();\
		6645	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6646	break;
7729	schaersvoo	6647	case DRAW_YLOGSCALE:
		6648	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6649	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	6650	var obj;\
		6651	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6652	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6653	}\
		6654	else\
		6655	{\
		6656	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6657	};\
		6658	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6659	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6660	ctx.save();\
		6661	ctx.lineWidth = line_width;\
7735	schaersvoo	6662	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6663	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6664	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6665	if(use_axis_numbering == 1){\
7956	schaersvoo	6666	ctx.font = font_family;\
		6667	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6668	ymarge = 2*font_size;\
		6669	ctx.save();\
		6670	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6671	ctx.rect(0,0,xmarge,ysize);\
		6672	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6673	ctx.fill();\
		6674	ctx.restore();\
		6675	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6676	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6677	ctx.save();\
		6678	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6679	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6680	corr = ctx.measureText(xaxislabel).width;\
		6681	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6682	ctx.restore();\
		6683	};\
7739	schaersvoo	6684	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6685	ctx.save();\
		6686	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6687	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6688	corr = ctx.measureText(yaxislabel).width;\
		6689	ctx.translate(xmarge+font_size,corr+font_size);\
		6690	ctx.rotate(-0.5*Math.PI);\
		6691	ctx.fillText(yaxislabel,0,0);\
		6692	ctx.restore();\
		6693	};\
		6694	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6695	ctx.lineWidth = line_width;\
		6696	for(var p = y_min; p <= y_max ; p++){\
		6697	num = Math.pow(ylogbase,p);\
		6698	for(var i = 1 ; i < ylogbase ; i++){\
		6699	y_e = y2px(i*num);\
7729	schaersvoo	6700	if( i == 1 ){\
7956	schaersvoo	6701	ctx.lineWidth = line_width;\
7729	schaersvoo	6702	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6703	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6704	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6705	};\
		6706	}else{\
7956	schaersvoo	6707	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6708	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6709	};\
7956	schaersvoo	6710	ctx.beginPath();\
		6711	ctx.moveTo(xmarge,y_e);\
		6712	ctx.lineTo(xsize,y_e);\
		6713	ctx.stroke();\
		6714	ctx.closePath();\
		6715	};\
		6716	};\
7729	schaersvoo	6717	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6718	var minor_step = stepx / xminor;\
		6719	var prec = Math.log(precision)/Math.log(10);\
		6720	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6721	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6722	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6723	ctx.lineWidth = line_width;\
		6724	ctx.beginPath();\
		6725	ctx.moveTo(x,ysize-ymarge);\
		6726	ctx.lineTo(x,0);\
		6727	ctx.stroke();\
		6728	ctx.closePath();\
7729	schaersvoo	6729	if( use_axis_numbering == 1){\
		6730	xtxt = (px2x(x)).toFixed(prec);\
		6731	corr = 0.5*(ctx.measureText(xtxt).width);\
		6732	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6733	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6734	};\
		6735	for(var dx = 1 ; dx < xminor ; dx++){\
		6736	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6737	ctx.lineWidth = 0.2*line_width;\
		6738	ctx.beginPath();\
7739	schaersvoo	6739	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6740	ctx.lineTo(x+dx*minor_step,0);\
		6741	ctx.stroke();\
		6742	ctx.closePath();\
7735	schaersvoo	6743	};\
		6744	};\
7956	schaersvoo	6745	ctx.restore();\
		6746	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6747	break;
7614	schaersvoo	6748	default:break;
		6749	}
		6750	}
		6751	}
		6752	return;
		6753	}
		6754
		6755	void check_string_length(int L){
		6756	if(L<1 \|\| L > MAX_BUFFER-1){
		6757	canvas_error("problem with your arguments to command...");
		6758	}
		6759	return;
		6760	}
		6761
		6762
		6763	int get_token(FILE *infile){
		6764	int c,i=0;
		6765	char temp[MAX_INT], *input_type;
		6766	char *line="line",
		6767	*audio="audio",
		6768	*blink="blink",
		6769	*arrowhead="arrowhead",
		6770	*crosshairsize="crosshairsize",
		6771	*crosshair="crosshair",
		6772	*crosshairs="crosshairs",
		6773	*audioobject="audioobject",
		6774	*style="style",
		6775	*mouse="mouse",
7991	schaersvoo	6776	*mousex="mousex",
		6777	*mousey="mousey",
8071	schaersvoo	6778	*mouse_display="display",
		6779	*mouse_degree="mouse_degree",
7614	schaersvoo	6780	*userdraw="userdraw",
		6781	*highlight="highlight",
		6782	*http="http",
		6783	*rays="rays",
		6784	*dashtype="dashtype",
		6785	*dashed="dashed",
		6786	*filled="filled",
		6787	*lattice="lattice",
		6788	*parallel="parallel",
		6789	*segment="segment",
8299	schaersvoo	6790	*segments="segments",
7614	schaersvoo	6791	*dsegment="dsegment",
		6792	*seg="seg",
		6793	*bgimage="bgimage",
		6794	*bgcolor="bgcolor",
		6795	*strokecolor="strokecolor",
		6796	*backgroundimage="backgroundimage",
		6797	*text="text",
		6798	*textup="textup",
		6799	*mouseprecision="mouseprecision",
		6800	*precision="precision",
		6801	*plotsteps="plotsteps",
		6802	*plotstep="plotstep",
		6803	*tsteps="tsteps",
		6804	*curve="curve",
		6805	*dcurve="dcurve",
		6806	*plot="plot",
		6807	*dplot="dplot",
7788	schaersvoo	6808	*levelcurve="levelcurve",
7614	schaersvoo	6809	*fontsize="fontsize",
		6810	*fontcolor="fontcolor",
		6811	*axis="axis",
		6812	*axisnumbering="axisnumbering",
		6813	*axisnumbers="axisnumbers",
		6814	*arrow="arrow",
		6815	*darrow="darrow",
		6816	*arrow2="arrow2",
		6817	*darrow2="darrow2",
8304	schaersvoo	6818	*arrows="arrows",
7614	schaersvoo	6819	*zoom="zoom",
		6820	*grid="grid",
		6821	*hline="hline",
7786	schaersvoo	6822	*dhline="dhline",
7614	schaersvoo	6823	*drag="drag",
		6824	*horizontalline="horizontalline",
		6825	*vline="vline",
7786	schaersvoo	6826	*dvline="dvline",
7614	schaersvoo	6827	*verticalline="verticalline",
		6828	*triangle="triangle",
		6829	*ftriangle="ftriangle",
		6830	*mathml="mathml",
		6831	*html="html",
		6832	*input="input",
8146	schaersvoo	6833	*clearbutton="clearbutton",
7614	schaersvoo	6834	*inputstyle="inputstyle",
		6835	*textarea="textarea",
		6836	*trange="trange",
		6837	*ranget="ranget",
		6838	*xrange="xrange",
		6839	*yrange="yrange",
		6840	*rangex="rangex",
		6841	*rangey="rangey",
		6842	*polyline="polyline",
		6843	*lines="lines",
		6844	*poly="poly",
		6845	*polygon="polygon",
		6846	*fpolygon="fpolygon",
		6847	*fpoly="fpoly",
		6848	*filledpoly="filledpoly",
		6849	*filledpolygon="filledpolygon",
		6850	*rect="rect",
		6851	*frect="frect",
		6852	*rectangle="rectangle",
		6853	*frectangle="frectangle",
		6854	*square="square",
		6855	*fsquare="fsquare",
		6856	*dline="dline",
		6857	*arc="arc",
		6858	*filledarc="filledarc",
		6859	*size="size",
		6860	*string="string",
		6861	*stringup="stringup",
		6862	*copy="copy",
		6863	*copyresized="copyresized",
		6864	*opacity="opacity",
		6865	*transparent="transparent",
		6866	*fill="fill",
		6867	*point="point",
		6868	*points="points",
		6869	*linewidth="linewidth",
		6870	*circle="circle",
8304	schaersvoo	6871	*circles="circles",
7614	schaersvoo	6872	*fcircle="fcircle",
		6873	*disk="disk",
		6874	*comment="#",
		6875	*end="end",
		6876	*ellipse="ellipse",
		6877	*fellipse="fellipse",
		6878	*rotate="rotate",
7785	schaersvoo	6879	*affine="affine",
		6880	*killaffine="killaffine",
7614	schaersvoo	6881	*fontfamily="fontfamily",
		6882	*fillcolor="fillcolor",
		6883	*clicktile="clicktile",
		6884	*clicktile_colors="clicktile_colors",
		6885	*translation="translation",
		6886	*translate="translate",
		6887	*killtranslation="killtranslation",
		6888	*killtranslate="killtranslate",
		6889	*onclick="onclick",
		6890	*roundrect="roundrect",
		6891	*froundrect="froundrect",
		6892	*roundrectangle="roundrectangle",
		6893	*patternfill="patternfill",
		6894	*hatchfill="hatchfill",
		6895	*diafill="diafill",
7647	schaersvoo	6896	*diamondfill="diamondfill",
7614	schaersvoo	6897	*dotfill="dotfill",
		6898	*gridfill="gridfill",
		6899	*imagefill="imagefill",
7735	schaersvoo	6900	*xlogbase="xlogbase",
		6901	*ylogbase="ylogbase",
7614	schaersvoo	6902	*xlogscale="xlogscale",
		6903	*ylogscale="ylogscale",
		6904	*xylogscale="xylogscale",
		6905	*intooltip="intooltip",
		6906	*replyformat="replyformat",
		6907	*floodfill="floodfill",
		6908	*filltoborder="filltoborder",
		6909	*clickfill="clickfill",
		6910	*setpixel="setpixel",
		6911	*pixels="pixels",
		6912	*pixelsize="pixelsize",
		6913	*clickfillmarge="clickfillmarge",
		6914	*xaxis="xaxis",
		6915	*yaxis="yaxis",
		6916	*xaxistext="xaxistext",
		6917	*yaxistext="yaxistext",
		6918	*piechart="piechart",
		6919	*legend="legend",
		6920	*legendcolors="legendcolors",
		6921	*xlabel="xlabel",
		6922	*ylabel="ylabel",
		6923	*barchart="barchart",
		6924	*linegraph="linegraph",
		6925	*clock="clock",
		6926	*animate="animate",
		6927	*video="video",
		6928	*status="status",
7877	schaersvoo	6929	*nostatus="nostatus",
7652	schaersvoo	6930	*snaptogrid="snaptogrid",
7784	schaersvoo	6931	*xsnaptogrid="xsnaptogrid",
		6932	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6933	*userinput_xy="userinput_xy",
8193	schaersvoo	6934	*userinput_function="userinput_function",
7663	schaersvoo	6935	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	6936	*userinput="userinput",
7823	schaersvoo	6937	*jsmath="jsmath",
7858	schaersvoo	6938	*trace_jscurve="trace_jscurve",
7838	schaersvoo	6939	*setlimits="setlimits",
7858	schaersvoo	6940	*jscurve="jscurve",
		6941	*jsplot="jsplot",
7983	schaersvoo	6942	*sgraph="sgraph",
7984	schaersvoo	6943	*title="title",
7996	schaersvoo	6944	*centerstring="centerstring",
		6945	*xunit="xunit",
8071	schaersvoo	6946	*yunit="yunit",
8101	schaersvoo	6947	*slider="slider",
8105	schaersvoo	6948	*killslider="killslider",
8244	schaersvoo	6949	*angle="angle",
		6950	*halfline="halfline",
8297	schaersvoo	6951	*demiline="demiline",
		6952	*functionlabel="functionlabel";
7614	schaersvoo	6953
		6954	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6955	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6956	continue; /* white spaces or tabs allowed before first command identifier */
		6957	}
		6958	else
		6959	{
		6960	if( c == ' ' \|\| c == '\t' ){
		6961	break;
		6962	}
		6963	else
		6964	{
		6965	temp[i] = c;
		6966	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6967	i++;
		6968	}
		6969	}
		6970	if(temp[0] == '#') break;
		6971	}
		6972	if (c == EOF) finished = 1;
		6973
		6974	if (c == '\n' \|\| c == '\r') {
		6975	line_number++;
		6976	if (i == 0) { return EMPTY; }
		6977	} else if (c == EOF) {
		6978	return 0;
		6979	}
		6980
		6981	temp[i]='\0';
		6982	input_type=(char*)my_newmem(strlen(temp));
		6983	snprintf(input_type,sizeof(temp),"%s",temp);
		6984
		6985	if( strcmp(input_type, size) == 0 ){
		6986	free(input_type);
		6987	return SIZE;
		6988	}
		6989	if( strcmp(input_type, xrange) == 0 ){
		6990	free(input_type);
		6991	return XRANGE;
		6992	}
		6993	if( strcmp(input_type, rangex) == 0 ){
		6994	free(input_type);
		6995	return XRANGE;
		6996	}
		6997	if( strcmp(input_type, trange) == 0 ){
		6998	free(input_type);
		6999	return TRANGE;
		7000	}
		7001	if( strcmp(input_type, ranget) == 0 ){
		7002	free(input_type);
		7003	return TRANGE;
		7004	}
		7005	if( strcmp(input_type, yrange) == 0 ){
		7006	free(input_type);
		7007	return YRANGE;
		7008	}
		7009	if( strcmp(input_type, rangey) == 0 ){
		7010	free(input_type);
		7011	return YRANGE;
		7012	}
		7013	if( strcmp(input_type, linewidth) == 0 ){
		7014	free(input_type);
		7015	return LINEWIDTH;
		7016	}
		7017	if( strcmp(input_type, dashed) == 0 ){
		7018	free(input_type);
		7019	return DASHED;
		7020	}
		7021	if( strcmp(input_type, dashtype) == 0 ){
		7022	free(input_type);
		7023	return DASHTYPE;
		7024	}
		7025	if( strcmp(input_type, axisnumbering) == 0 ){
		7026	free(input_type);
		7027	return AXIS_NUMBERING;
		7028	}
		7029	if( strcmp(input_type, axisnumbers) == 0 ){
		7030	free(input_type);
		7031	return AXIS_NUMBERING;
		7032	}
		7033	if( strcmp(input_type, axis) == 0 ){
		7034	free(input_type);
		7035	return AXIS;
		7036	}
		7037	if( strcmp(input_type, grid) == 0 ){
		7038	free(input_type);
		7039	return GRID;
		7040	}
		7041	if( strcmp(input_type, parallel) == 0 ){
		7042	free(input_type);
		7043	return PARALLEL;
		7044	}
		7045	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		7046	free(input_type);
		7047	return HLINE;
		7048	}
		7049	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		7050	free(input_type);
		7051	return VLINE;
		7052	}
		7053	if( strcmp(input_type, line) == 0 ){
		7054	free(input_type);
		7055	return LINE;
		7056	}
8299	schaersvoo	7057	if( strcmp(input_type, segments) == 0 ){
		7058	free(input_type);
		7059	return SEGMENTS;
		7060	}
7614	schaersvoo	7061	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		7062	free(input_type);
		7063	return SEGMENT;
		7064	}
		7065	if( strcmp(input_type, dsegment) == 0 ){
		7066	free(input_type);
		7067	use_dashed = TRUE;
		7068	return SEGMENT;
		7069	}
		7070	if( strcmp(input_type, crosshairsize) == 0 ){
		7071	free(input_type);
		7072	return CROSSHAIRSIZE;
		7073	}
		7074	if( strcmp(input_type, arrowhead) == 0 ){
		7075	free(input_type);
		7076	return ARROWHEAD;
		7077	}
		7078	if( strcmp(input_type, crosshairs) == 0 ){
		7079	free(input_type);
		7080	return CROSSHAIRS;
		7081	}
		7082	if( strcmp(input_type, crosshair) == 0 ){
		7083	free(input_type);
		7084	return CROSSHAIR;
		7085	}
		7086	if( strcmp(input_type, onclick) == 0 ){
		7087	free(input_type);
		7088	return ONCLICK;
		7089	}
		7090	if( strcmp(input_type, drag) == 0 ){
		7091	free(input_type);
		7092	return DRAG;
		7093	}
		7094	if( strcmp(input_type, userdraw) == 0 ){
		7095	free(input_type);
		7096	return USERDRAW;
		7097	}
		7098	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		7099	free(input_type);
		7100	return STYLE;
		7101	}
		7102	if( strcmp(input_type, fillcolor) == 0 ){
		7103	free(input_type);
		7104	return FILLCOLOR;
		7105	}
		7106	if( strcmp(input_type, strokecolor) == 0 ){
		7107	free(input_type);
		7108	return STROKECOLOR;
		7109	}
		7110	if( strcmp(input_type, filled) == 0 ){
		7111	free(input_type);
		7112	return FILLED;
		7113	}
		7114	if( strcmp(input_type, http) == 0 ){
		7115	free(input_type);
		7116	return HTTP;
		7117	}
		7118	if( strcmp(input_type, rays) == 0 ){
		7119	free(input_type);
		7120	return RAYS;
		7121	}
		7122	if( strcmp(input_type, lattice) == 0 ){
		7123	free(input_type);
		7124	return LATTICE;
		7125	}
		7126	if( strcmp(input_type, bgimage) == 0 ){
		7127	free(input_type);
		7128	return BGIMAGE;
		7129	}
		7130	if( strcmp(input_type, bgcolor) == 0 ){
		7131	free(input_type);
		7132	return BGCOLOR;
		7133	}
		7134	if( strcmp(input_type, backgroundimage) == 0 ){
		7135	free(input_type);
		7136	return BGIMAGE;
		7137	}
		7138	if( strcmp(input_type, text) == 0 ){
		7139	free(input_type);
		7140	return FLY_TEXT;
		7141	}
		7142	if( strcmp(input_type, textup) == 0 ){
		7143	free(input_type);
		7144	return FLY_TEXTUP;
		7145	}
		7146	if( strcmp(input_type, mouse) == 0 ){
		7147	free(input_type);
		7148	return MOUSE;
		7149	}
7991	schaersvoo	7150	if( strcmp(input_type, mousex) == 0 ){
		7151	free(input_type);
		7152	return MOUSEX;
		7153	}
		7154	if( strcmp(input_type, mousey) == 0 ){
		7155	free(input_type);
		7156	return MOUSEY;
		7157	}
8071	schaersvoo	7158	if( strcmp(input_type, mouse_degree) == 0 ){
		7159	free(input_type);
		7160	return MOUSE_DEGREE;
		7161	}
		7162	if( strcmp(input_type, mouse_display) == 0 ){
		7163	free(input_type);
		7164	return MOUSE_DISPLAY;
		7165	}
7614	schaersvoo	7166	if( strcmp(input_type, mouseprecision) == 0 ){
		7167	free(input_type);
		7168	return MOUSE_PRECISION;
		7169	}
		7170	if( strcmp(input_type, precision) == 0 ){
		7171	free(input_type);
		7172	return MOUSE_PRECISION;
		7173	}
		7174	if( strcmp(input_type, curve) == 0 ){
		7175	free(input_type);
		7176	return CURVE;
		7177	}
		7178	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7179	use_dashed = TRUE;
7614	schaersvoo	7180	free(input_type);
		7181	return CURVE;
		7182	}
		7183	if( strcmp(input_type, plot) == 0 ){
		7184	free(input_type);
		7185	return CURVE;
		7186	}
		7187	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7188	use_dashed = TRUE;
7614	schaersvoo	7189	free(input_type);
		7190	return CURVE;
		7191	}
7788	schaersvoo	7192	if( strcmp(input_type, levelcurve) == 0 ){
		7193	free(input_type);
		7194	return LEVELCURVE;
		7195	}
7614	schaersvoo	7196	if( strcmp(input_type, plotsteps) == 0 ){
		7197	free(input_type);
		7198	return PLOTSTEPS;
		7199	}
		7200	if( strcmp(input_type, plotstep) == 0 ){
		7201	free(input_type);
		7202	return PLOTSTEPS;
		7203	}
		7204	if( strcmp(input_type, tsteps) == 0 ){
		7205	free(input_type);
		7206	return PLOTSTEPS;
		7207	}
		7208	if( strcmp(input_type, fontsize) == 0 ){
		7209	free(input_type);
		7210	return FONTSIZE;
		7211	}
		7212	if( strcmp(input_type, fontcolor) == 0 ){
		7213	free(input_type);
		7214	return FONTCOLOR;
		7215	}
		7216	if( strcmp(input_type, arrow2) == 0 ){
		7217	free(input_type);
		7218	return ARROW2;
		7219	}
		7220	if( strcmp(input_type, darrow) == 0 ){
		7221	free(input_type);
8071	schaersvoo	7222	use_dashed = TRUE;
7614	schaersvoo	7223	return ARROW;
		7224	}
		7225	if( strcmp(input_type, darrow2) == 0 ){
		7226	free(input_type);
		7227	use_dashed = TRUE;
		7228	return ARROW2;
		7229	}
8304	schaersvoo	7230	if( strcmp(input_type, arrows) == 0 ){
		7231	free(input_type);
		7232	return ARROWS;
		7233	}
		7234	if( strcmp(input_type, arrow) == 0 ){
		7235	free(input_type);
		7236	return ARROW;
		7237	}
7614	schaersvoo	7238	if( strcmp(input_type, zoom) == 0 ){
		7239	free(input_type);
		7240	return ZOOM;
		7241	}
		7242	if( strcmp(input_type, triangle) == 0 ){
		7243	free(input_type);
		7244	return TRIANGLE;
		7245	}
		7246	if( strcmp(input_type, ftriangle) == 0 ){
		7247	free(input_type);
		7248	use_filled = TRUE;
		7249	return TRIANGLE;
		7250	}
		7251	if( strcmp(input_type, input) == 0 ){
		7252	free(input_type);
		7253	return INPUT;
		7254	}
		7255	if( strcmp(input_type, inputstyle) == 0 ){
		7256	free(input_type);
		7257	return INPUTSTYLE;
		7258	}
		7259	if( strcmp(input_type, textarea) == 0 ){
		7260	free(input_type);
		7261	return TEXTAREA;
		7262	}
		7263	if( strcmp(input_type, mathml) == 0 ){
		7264	free(input_type);
		7265	return MATHML;
		7266	}
		7267	if( strcmp(input_type, html) == 0 ){
		7268	free(input_type);
		7269	return MATHML;
		7270	}
		7271	if( strcmp(input_type, fontfamily) == 0 ){
		7272	free(input_type);
		7273	return FONTFAMILY;
		7274	}
		7275	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		7276	free(input_type);
		7277	return POLYLINE;
		7278	}
		7279	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7280	free(input_type);
		7281	return RECT;
		7282	}
		7283	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7284	free(input_type);
		7285	return ROUNDRECT;
		7286	}
		7287	if( strcmp(input_type, froundrect) == 0 ){
		7288	free(input_type);
		7289	use_filled = TRUE;
		7290	return ROUNDRECT;
		7291	}
		7292	if( strcmp(input_type, square) == 0 ){
		7293	free(input_type);
		7294	return SQUARE;
		7295	}
		7296	if( strcmp(input_type, fsquare) == 0 ){
		7297	free(input_type);
		7298	use_filled = TRUE;
		7299	return SQUARE;
		7300	}
		7301	if( strcmp(input_type, dline) == 0 ){
		7302	use_dashed = TRUE;
		7303	free(input_type);
		7304	return LINE;
		7305	}
7786	schaersvoo	7306	if( strcmp(input_type, dvline) == 0 ){
		7307	use_dashed = TRUE;
		7308	free(input_type);
		7309	return VLINE;
		7310	}
		7311	if( strcmp(input_type, dhline) == 0 ){
		7312	use_dashed = TRUE;
		7313	free(input_type);
		7314	return HLINE;
		7315	}
7614	schaersvoo	7316	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7317	use_filled = TRUE;
		7318	free(input_type);
		7319	return RECT;
		7320	}
8304	schaersvoo	7321	if( strcmp(input_type, circles) == 0 ){
		7322	free(input_type);
		7323	return CIRCLES;
		7324	}
7614	schaersvoo	7325	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7326	use_filled = TRUE;
		7327	free(input_type);
		7328	return CIRCLE;
		7329	}
		7330	if( strcmp(input_type, circle) == 0 ){
		7331	free(input_type);
		7332	return CIRCLE;
		7333	}
		7334	if( strcmp(input_type, point) == 0 ){
		7335	free(input_type);
		7336	return POINT;
		7337	}
		7338	if( strcmp(input_type, points) == 0 ){
		7339	free(input_type);
		7340	return POINTS;
		7341	}
		7342	if( strcmp(input_type, filledarc) == 0 ){
		7343	use_filled = TRUE;
		7344	free(input_type);
		7345	return ARC;
		7346	}
		7347	if( strcmp(input_type, arc) == 0 ){
		7348	free(input_type);
		7349	return ARC;
		7350	}
		7351	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7352	free(input_type);
		7353	return POLY;
		7354	}
		7355	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7356	use_filled = TRUE;
		7357	free(input_type);
		7358	return POLY;
		7359	}
		7360	if( strcmp(input_type, ellipse) == 0){
		7361	free(input_type);
		7362	return ELLIPSE;
		7363	}
		7364	if( strcmp(input_type, fill) == 0 ){
		7365	free(input_type);
		7366	return FLOODFILL;
		7367	}
		7368	if( strcmp(input_type, string) == 0 ){
		7369	free(input_type);
		7370	return STRING;
		7371	}
		7372	if( strcmp(input_type, stringup) == 0 ){
		7373	free(input_type);
		7374	return STRINGUP;
		7375	}
		7376	if( strcmp(input_type, opacity) == 0 ){
		7377	free(input_type);
		7378	return OPACITY;
		7379	}
		7380	if( strcmp(input_type, comment) == 0){
		7381	free(input_type);
		7382	return COMMENT;
		7383	}
		7384	if( strcmp(input_type, end) == 0){
		7385	free(input_type);
		7386	return END;
		7387	}
		7388	if( strcmp(input_type, fellipse) == 0){
		7389	free(input_type);
		7390	use_filled = TRUE;
		7391	return ELLIPSE;
8224	bpr	7392	}
7614	schaersvoo	7393	if( strcmp(input_type, blink) == 0 ){
		7394	free(input_type);
		7395	return BLINK;
		7396	}
8146	schaersvoo	7397	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7398	free(input_type);
8146	schaersvoo	7399	return CLEARBUTTON;
7614	schaersvoo	7400	}
		7401	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7402	free(input_type);
		7403	return TRANSLATION;
		7404	}
		7405	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7406	free(input_type);
		7407	return KILLTRANSLATION;
		7408	}
		7409	if( strcmp(input_type, rotate) == 0){
		7410	free(input_type);
		7411	return ROTATE;
		7412	}
7785	schaersvoo	7413	if( strcmp(input_type, affine) == 0){
		7414	free(input_type);
		7415	return AFFINE;
		7416	}
		7417	if( strcmp(input_type, killaffine) == 0){
		7418	free(input_type);
		7419	return KILLAFFINE;
		7420	}
7614	schaersvoo	7421	if( strcmp(input_type, audio) == 0 ){
		7422	free(input_type);
		7423	return AUDIO;
		7424	}
		7425	if( strcmp(input_type, audioobject) == 0 ){
		7426	free(input_type);
		7427	return AUDIOOBJECT;
		7428	}
		7429	if( strcmp(input_type, slider) == 0 ){
		7430	free(input_type);
		7431	return SLIDER;
		7432	}
8101	schaersvoo	7433	if( strcmp(input_type, killslider) == 0 ){
		7434	free(input_type);
		7435	return KILLSLIDER;
		7436	}
7614	schaersvoo	7437	if( strcmp(input_type, copy) == 0 ){
		7438	free(input_type);
		7439	return COPY;
		7440	}
		7441	if( strcmp(input_type, copyresized) == 0 ){
		7442	free(input_type);
		7443	return COPYRESIZED;
		7444	}
		7445	if( strcmp(input_type, patternfill) == 0 ){
		7446	free(input_type);
		7447	return PATTERNFILL;
		7448	}
		7449	if( strcmp(input_type, hatchfill) == 0 ){
		7450	free(input_type);
		7451	return HATCHFILL;
		7452	}
7647	schaersvoo	7453	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7454	free(input_type);
7647	schaersvoo	7455	return DIAMONDFILL;
7614	schaersvoo	7456	}
		7457	if( strcmp(input_type, dotfill) == 0 ){
		7458	free(input_type);
		7459	return DOTFILL;
		7460	}
		7461	if( strcmp(input_type, gridfill) == 0 ){
		7462	free(input_type);
		7463	return GRIDFILL;
		7464	}
		7465	if( strcmp(input_type, imagefill) == 0 ){
		7466	free(input_type);
		7467	return IMAGEFILL;
		7468	}
		7469	if( strcmp(input_type, clicktile_colors) == 0 ){
		7470	free(input_type);
		7471	return CLICKTILE_COLORS;
		7472	}
		7473	if( strcmp(input_type, clicktile) == 0 ){
		7474	free(input_type);
		7475	return CLICKTILE;
		7476	}
		7477	if( strcmp(input_type, xlogscale) == 0 ){
		7478	free(input_type);
		7479	return XLOGSCALE;
		7480	}
		7481	if( strcmp(input_type, ylogscale) == 0 ){
		7482	free(input_type);
		7483	return YLOGSCALE;
		7484	}
		7485	if( strcmp(input_type, xylogscale) == 0 ){
		7486	free(input_type);
		7487	return XYLOGSCALE;
		7488	}
		7489	if( strcmp(input_type, ylogscale) == 0 ){
		7490	free(input_type);
		7491	return YLOGSCALE;
		7492	}
7735	schaersvoo	7493	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7494	free(input_type);
7735	schaersvoo	7495	return XLOGBASE;
7614	schaersvoo	7496	}
7735	schaersvoo	7497	if( strcmp(input_type, ylogbase) == 0 ){
		7498	free(input_type);
		7499	return YLOGBASE;
		7500	}
7614	schaersvoo	7501	if( strcmp(input_type, intooltip) == 0 ){
		7502	free(input_type);
		7503	return INTOOLTIP;
		7504	}
		7505	if( strcmp(input_type,video) == 0 ){
		7506	free(input_type);
		7507	return VIDEO;
		7508	}
		7509	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7510	free(input_type);
		7511	return FLOODFILL;
8224	bpr	7512	}
7614	schaersvoo	7513	if( strcmp(input_type,filltoborder) == 0 ){
		7514	free(input_type);
		7515	return FILLTOBORDER;
8224	bpr	7516	}
7614	schaersvoo	7517	if( strcmp(input_type,clickfill) == 0 ){
		7518	free(input_type);
		7519	return CLICKFILL;
8224	bpr	7520	}
7614	schaersvoo	7521	if( strcmp(input_type, replyformat) == 0 ){
		7522	free(input_type);
		7523	return REPLYFORMAT;
		7524	}
		7525	if( strcmp(input_type, pixelsize) == 0 ){
		7526	free(input_type);
		7527	return PIXELSIZE;
		7528	}
		7529	if( strcmp(input_type, setpixel) == 0 ){
		7530	free(input_type);
		7531	return SETPIXEL;
		7532	}
		7533	if( strcmp(input_type, pixels) == 0 ){
		7534	free(input_type);
		7535	return PIXELS;
		7536	}
		7537	if( strcmp(input_type, clickfillmarge) == 0 ){
		7538	free(input_type);
		7539	return CLICKFILLMARGE;
		7540	}
		7541	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7542	free(input_type);
		7543	return X_AXIS_STRINGS;
		7544	}
		7545	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7546	free(input_type);
		7547	return Y_AXIS_STRINGS;
		7548	}
		7549	if( strcmp(input_type, piechart) == 0 ){
		7550	free(input_type);
		7551	return PIECHART;
		7552	}
		7553	if( strcmp(input_type, barchart) == 0 ){
		7554	free(input_type);
		7555	return BARCHART;
		7556	}
		7557	if( strcmp(input_type, linegraph) == 0 ){
		7558	free(input_type);
		7559	return LINEGRAPH;
		7560	}
		7561	if( strcmp(input_type, clock) == 0 ){
		7562	free(input_type);
		7563	return CLOCK;
		7564	}
		7565	if( strcmp(input_type, legend) == 0 ){
		7566	free(input_type);
		7567	return LEGEND;
		7568	}
		7569	if( strcmp(input_type, legendcolors) == 0 ){
		7570	free(input_type);
		7571	return LEGENDCOLORS;
		7572	}
		7573	if( strcmp(input_type, xlabel) == 0 ){
		7574	free(input_type);
		7575	return XLABEL;
		7576	}
		7577	if( strcmp(input_type, ylabel) == 0 ){
		7578	free(input_type);
		7579	return YLABEL;
		7580	}
		7581	if( strcmp(input_type, animate) == 0 ){
		7582	free(input_type);
		7583	return ANIMATE;
		7584	}
		7585	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7586	if( strcmp(input_type, transparent) == 0 ){
		7587	free(input_type);
		7588	return TRANSPARENT;
		7589	}
7877	schaersvoo	7590	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7591	free(input_type);
		7592	return STATUS;
		7593	}
		7594	if( strcmp(input_type, snaptogrid) == 0 ){
		7595	free(input_type);
		7596	return SNAPTOGRID;
		7597	}
7784	schaersvoo	7598	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7599	free(input_type);
		7600	return XSNAPTOGRID;
		7601	}
		7602	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7603	free(input_type);
		7604	return YSNAPTOGRID;
		7605	}
7652	schaersvoo	7606	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7607	free(input_type);
7652	schaersvoo	7608	return USERINPUT_XY;
		7609	}
8193	schaersvoo	7610	if( strcmp(input_type, userinput_function) == 0 ){
		7611	free(input_type);
		7612	return USERINPUT_FUNCTION;
		7613	}
7663	schaersvoo	7614	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7615	free(input_type);
		7616	return USERTEXTAREA_XY;
		7617	}
8222	schaersvoo	7618	if( strcmp(input_type, userinput) == 0 ){
		7619	free(input_type);
		7620	return USERINPUT;
		7621	}
7654	schaersvoo	7622	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7623	free(input_type);
7654	schaersvoo	7624	return SGRAPH;
		7625	}
7823	schaersvoo	7626	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7627	free(input_type);
7823	schaersvoo	7628	return JSMATH;
		7629	}
7858	schaersvoo	7630	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7631	free(input_type);
7858	schaersvoo	7632	return TRACE_JSCURVE;
7823	schaersvoo	7633	}
7858	schaersvoo	7634	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7635	free(input_type);
		7636	return JSCURVE;
		7637	}
7984	schaersvoo	7638	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7639	free(input_type);
		7640	return CENTERSTRING;
		7641	}
7838	schaersvoo	7642	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7643	free(input_type);
7838	schaersvoo	7644	return SETLIMITS;
		7645	}
7996	schaersvoo	7646	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7647	free(input_type);
7996	schaersvoo	7648	return XUNIT;
		7649	}
		7650	if( strcmp(input_type, yunit) == 0 ){
		7651	free(input_type);
		7652	return YUNIT;
		7653	}
8105	schaersvoo	7654	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7655	free(input_type);
8105	schaersvoo	7656	return ANGLE;
		7657	}
8244	schaersvoo	7658	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7659	free(input_type);
8244	schaersvoo	7660	return HALFLINE;
		7661	}
8297	schaersvoo	7662	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	7663	free(input_type);
8297	schaersvoo	7664	return FUNCTION_LABEL;
		7665	}
		7666	free(input_type);
7614	schaersvoo	7667	ungetc(c,infile);
		7668	return 0;
		7669	}
7856	schaersvoo	7670

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c @ 17583 – Rev 8304