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;\
8349	schaersvoo	221	var clear_draw_area%d;\
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=\" \";\
8349	schaersvoo	254	var unit_y=\" \";",canvas_root_id,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
8347	schaersvoo	323	@ default 8 (px)
7614	schaersvoo	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
8351	schaersvoo	427	@ draw multiple segments between points (x1:y1)--(x2:y2).....and... (x_n-1:y_n-1)--(x_n:y_n) in color 'color'
8299	schaersvoo	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;
8351	schaersvoo	523	case LINES:
		524	/*
		525	@ lines color,x1,y1,x2,y2...x_n-1,y_n-1,x_n,y_n
		526	@ draw multiple lines through points (x1:y1)--(x2:y2) ...(x_n-1:y_n-1)--(x_n:y_n) in color 'color'
		527	@ or use multiple commands 'curve color,formula' or "jscurve color,formule" to draw the line <br />(uses more points to draw the line; is however better draggable)
		528	@ may be set draggable / onclick
		529	@ <b>Attention</b>: the flydraw command "lines" is equivalent to canvasdraw command "polyline"
		530	*/
		531	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		532	fill_color = stroke_color;
		533	i=0;
		534	while( ! done ){ /* get next item until EOL*/
		535	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		536	if(i%2 == 0 ){
		537	double_data[i] = get_real(infile,0); /* x */
		538	}
		539	else
		540	{
		541	double_data[i] = get_real(infile,1); /* y */
		542	}
		543	i++;
		544	}
		545	decimals = find_number_of_digits(precision);
		546	for(c = 0 ; c < i-1 ; c = c+4){
		547	if( double_data[c] == double_data[c+2] ){ /* vertical line*/
		548	double_data[c+1] = xmin;
		549	double_data[c+3] = ymax;
		550	double_data[c+2] = double_data[c];
		551	}
		552	else
		553	{
		554	if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
		555	double_data[c+3] = double_data[c+1];
		556	double_data[c] = ymin;
		557	double_data[c+2] = xmax;
		558	}
		559	else
		560	{
		561	/* m */
		562	double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
		563	/* q */
		564	double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
		565	/xmin,mxmin+q,xmax,mxmax+q/
		566	double_data[c+1] = (m)*(xmin)+(q);
		567	double_data[c+3] = (m)*(xmax)+(q);
		568	double_data[c] = xmin;
		569	double_data[c+2] = xmax;
		570	}
		571	}
		572	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);
		573	click_cnt++;
		574	}
		575	reset();
		576	break;
8244	schaersvoo	577	case HALFLINE:
		578	/*
		579	@ demiline x1,y1,x2,y2,color
		580	@ alternative : halfline
		581	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
		582	@ may be set draggable / onclick
		583	*/
		584	for(i=0;i<5;i++){
		585	switch(i){
		586	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		587	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		588	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		589	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		590	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		591	if(double_data[0] == double_data[10]){ /* vertical halfline */
		592	if(double_data[1] < double_data[11]){
		593	double_data[3] = ymax + 1000;
		594	}
		595	else
		596	{
		597	double_data[3] = ymin - 1000;
		598	}
		599	double_data[2] = double_data[0];
		600	}
		601	else
		602	{ /* horizontal halfline*/
		603	if( double_data[1] == double_data[11] ){
		604	if( double_data[0] < double_data[10] ){
		605	double_data[2] = xmax + 1000; /* halfline to the right */
		606	}
		607	else
		608	{
		609	double_data[2] = xmin - 1000; /* halfline to the left */
		610	}
		611	double_data[3] = double_data[1];
		612	}
		613	else
		614	{
		615	/* any other halfline */
		616	/* slope */
		617	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		618	/* const */
		619	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		620	if( double_data[0] < double_data[10] ){
		621	double_data[2] = double_data[2] + 1000;
		622	}
		623	else
		624	{
		625	double_data[2] = double_data[2] - 1000;
		626	}
		627	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		628	}
		629	}
		630	decimals = find_number_of_digits(precision);
		631	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);
		632	click_cnt++;reset();
		633	break;
		634	}
		635	}
		636
		637	break;
8224	bpr	638	case HLINE:
7614	schaersvoo	639	/*
		640	@ hline x,y,color
		641	@ draw a horizontal line through point (x:y) in color 'color'
		642	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		643	@ may be set draggable / onclick
		644	*/
		645	for(i=0;i<3;i++) {
		646	switch(i){
		647	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		648	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		649	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		650	double_data[3] = double_data[1];
		651	decimals = find_number_of_digits(precision);
8097	schaersvoo	652	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	653	click_cnt++;reset();
		654	break;
		655	}
		656	}
		657	break;
		658	case VLINE:
		659	/*
		660	@ vline x,y,color
		661	@ draw a vertical line through point (x:y) in color 'color'
		662	@ may be set draggable / onclick
		663	*/
		664	for(i=0;i<3;i++) {
		665	switch(i){
		666	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		667	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		668	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		669	double_data[2] = double_data[0];
		670	decimals = find_number_of_digits(precision);
8097	schaersvoo	671	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	672	click_cnt++;reset();
		673	break;
		674	}
		675	}
		676	break;
		677	case SQUARE:
		678	/*
8071	schaersvoo	679	@ square x,y,side (px) ,color
7614	schaersvoo	680	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		681	@ use command 'fsquare x,y,side,color' for a filled square
		682	@ use command/keyword 'filled' before command 'square x,y,side,color'
		683	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		684	@ may be set draggable / onclick
		685	*/
		686	for(i=0;i<5;i++){
		687	switch(i){
8071	schaersvoo	688	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		689	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		690	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		691	case 3:
		692	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	693	decimals = find_number_of_digits(precision);
8071	schaersvoo	694	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		695	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	696	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	697	click_cnt++;reset();
		698	break;
		699	}
		700	}
		701	break;
		702	case ROUNDRECT:
		703	/*
		704	@ roundrect x1,y1,x2,y2,radius,color
		705	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		706	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		707	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		708	@ may be set draggable / onclick
		709	*/
		710	for(i=0;i<6;i++){
		711	switch(i){
		712	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		713	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		714	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		715	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		716	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		717	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	718	/* ensure no inverted roundrect is produced... */
		719	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	720	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	721	decimals = find_number_of_digits(precision);
8097	schaersvoo	722	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	723	click_cnt++;reset();
		724	break;
		725	}
		726	}
		727	break;
		728	case RECT:
		729	/*
		730	@ rect x1,y1,x2,y2,color
		731	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		732	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		733	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		734	@ may be set draggable / onclick
		735	*/
		736	for(i=0;i<5;i++){
		737	switch(i){
		738	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		739	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		740	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		741	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		742	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		743	decimals = find_number_of_digits(precision);
8097	schaersvoo	744	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	745	click_cnt++;reset();
		746	break;
		747	}
		748	}
		749	break;
		750	case POLYLINE:
		751	/*
		752	@ polyline color,x1,y1,x2,y2...x_n,y_n
8351	schaersvoo	753	@ alternatives:<br />polylines color,x1,y1,x2,y2...x_n,y_n<br />brokenline color,x1,y1,x2,y2...x_n,y_n<br />brokenlines color,x1,y1,x2,y2...x_n,y_n
		754	@ draw a broken line interconnected between all points (not closed)
		755	@ equivalent to flydraw command "line color,x1,y1,x2,y2...x_n,y_n"
		756	@ use command "segments color,x1,y1,x2,y2...x_n,y_n" for not interconnected line segments.
7614	schaersvoo	757	@ may be set draggable / onclick
		758	*/
		759	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		760	i=0;
		761	c=0;
		762	while( ! done ){ /* get next item until EOL*/
		763	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		764	for( c = 0 ; c < 2; c++){
		765	if(c == 0 ){
		766	double_data[i] = get_real(infile,0);
		767	i++;
		768	}
		769	else
		770	{
		771	double_data[i] = get_real(infile,1);
		772	i++;
		773	}
		774	}
		775	}
		776	/* draw path : not closed & not filled */
		777	decimals = find_number_of_digits(precision);
8097	schaersvoo	778	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	779	click_cnt++;reset();
		780	break;
		781	case POLY:
		782	/*
		783	@ poly color,x1,y1,x2,y2...x_n,y_n
		784	@ draw closed polygon
		785	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		786	@ may be set draggable / onclick
		787	*/
		788	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		789	i=0;
		790	c=0;
		791	while( ! done ){ /* get next item until EOL*/
		792	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		793	for( c = 0 ; c < 2; c++){
		794	if(c == 0 ){
		795	double_data[i] = get_real(infile,0);
		796	i++;
		797	}
		798	else
		799	{
		800	double_data[i] = get_real(infile,1);
		801	i++;
		802	}
		803	}
		804	}
		805	/* draw path : closed & optional filled */
		806	decimals = find_number_of_digits(precision);
8097	schaersvoo	807	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	808	click_cnt++;reset();
		809	break;
8224	bpr	810	case ARC:
7614	schaersvoo	811	/*
		812	@ arc xc,yc,width,height,start_angle,end_angle,color
		813	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	814	@ attention: width == height == radius in pixels
		815	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		816	@ use command 'angle' for scalable angle
7614	schaersvoo	817	*/
		818	for(i=0;i<7;i++){
		819	switch(i){
		820	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		821	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		822	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		823	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		824	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		825	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		826	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		827	/* in Shape library:
		828	x[0] = x[1] = xc
		829	y[0] = y[1] = yc
8224	bpr	830	w[0] = w[1] = radius = width = height
		831	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	832	*/
		833	decimals = find_number_of_digits(precision);
8097	schaersvoo	834	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	835	reset();
		836	break;
		837	}
		838	}
		839	break;
8224	bpr	840	case ANGLE:
8105	schaersvoo	841	/*
		842	@ angle xc,yc,width,start_angle,end_angle,color
		843	@ width is in x-range
		844	@ will zoom in/out
		845	@ if size is controlled by command 'slider' use radians to set limits of slider.
		846	*/
		847	for(i=0;i<7;i++){
		848	switch(i){
		849	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		850	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		851	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		852	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		853	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		854	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		855	decimals = find_number_of_digits(precision);
		856	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);
		857	reset();
		858	break;
		859	}
		860	}
		861	break;
		862
7614	schaersvoo	863	case ELLIPSE:
		864	/*
		865	@ ellipse xc,yc,radius_x,radius_y,color
8224	bpr	866	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	867	@ radius_x and radius_y are in pixels
		868	@ may be set draggable / onclick
8224	bpr	869	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	870	*/
		871	for(i=0;i<5;i++){
		872	switch(i){
		873	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		874	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		875	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
8224	bpr	876	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	877	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		878	decimals = find_number_of_digits(precision);
8097	schaersvoo	879	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	880	click_cnt++;reset();
		881	break;
		882	}
		883	}
		884	break;
		885	case DASHTYPE:
		886	/*
		887	@ dashtype int ,int
7956	schaersvoo	888	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	889	@ default value "dashtype 2,2"
		890	*/
		891	for(i=0;i<2;i++){
		892	switch(i){
		893	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		894	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		895	}
		896	}
		897	break;
		898	case CIRCLE:
		899	/*
		900	@ circle xc,yc,width (2*r in pixels),color
		901	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		902	@ use command 'fillcolor color' to set the fillcolor
		903	@ may be set draggable / onclick
8224	bpr	904	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	905	*/
		906	for(i=0;i<4;i++){
		907	switch(i){
		908	case 0: double_data[0] = get_real(infile,0);break; /* x */
		909	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	910	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	911	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		912	decimals = find_number_of_digits(precision);
8097	schaersvoo	913	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	914	click_cnt++;reset();
8304	schaersvoo	915	break;
		916	default : break;
7614	schaersvoo	917	}
		918	}
		919	break;
8304	schaersvoo	920
		921	case CIRCLES:
		922	/*
		923	@ circles color,xc1,yc1,r1,xc2,yc2,r2...xc_n,yc_n,r_n
		924	@ Attention r = radius in x-range (!)
		925	@ use command 'fillcolor color' to set the fillcolor
		926	@ may be set draggable / onclick (individually)
		927	@ will shrink / expand on zoom out / zoom in
		928	*/
		929	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		930	fill_color = stroke_color;
		931	i=1;
		932	while( ! done ){ /* get next item until EOL*/
		933	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		934	switch (i%3){
		935	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		936	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		937	case 0:double_data[i-1] = get_real(infile,1);break; /* r */
		938	}
		939	i++;
		940	}
		941	decimals = find_number_of_digits(precision);
		942	for(c = 0 ; c < i-1 ; c = c+3){
		943	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);
		944	click_cnt++;
		945	}
		946	reset();
		947	break;
7614	schaersvoo	948	case RAYS:
		949	/*
		950	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		951	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	952	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	953	*/
		954	stroke_color=get_color(infile,0);
7786	schaersvoo	955	fill_color = stroke_color;
		956	double_data[0] = get_real(infile,0);/* xc */
		957	double_data[1] = get_real(infile,0);/* yc */
		958	i=2;
		959	while( ! done ){ /* get next item until EOL*/
		960	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		961	if(i%2 == 0 ){
		962	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	963	}
7786	schaersvoo	964	else
		965	{
		966	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	967	}
7786	schaersvoo	968	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		969	i++;
7614	schaersvoo	970	}
8224	bpr	971
		972	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		973	decimals = find_number_of_digits(precision);
7786	schaersvoo	974	for(c=2; c<i;c = c+2){
7614	schaersvoo	975	click_cnt++;
8097	schaersvoo	976	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	977	}
		978	reset();
		979	break;
8304	schaersvoo	980
		981	case ARROWS:
		982	/*
		983	@ arrows color,head (px),x1,y1,x2,y2...x_n,y_n
		984	@ draw single headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		985	@ use command 'linewidth int' to adjust thickness of the arrow
		986	@ may be set draggable / onclick individually
		987	*/
		988	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		989	fill_color = stroke_color;
		990	arrow_head = (int) get_real(infile,0);/* h */
		991	i=0;
		992	while( ! done ){ /* get next item until EOL*/
		993	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		994	if(i%2 == 0 ){
		995	double_data[i] = get_real(infile,0); /* x */
		996	}
		997	else
		998	{
		999	double_data[i] = get_real(infile,1); /* y */
		1000	}
		1001	i++;
		1002	}
		1003	decimals = find_number_of_digits(precision);
		1004	for(c = 0 ; c < i-1 ; c = c+4){
		1005	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);
		1006	click_cnt++;
		1007	}
		1008	reset();
		1009	break;
7614	schaersvoo	1010	case ARROW:
		1011	/*
		1012	@ arrow x1,y1,x2,y2,h,color
		1013	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		1014	@ use command 'linewidth int' to adjust thickness of the arrow
		1015	@ may be set draggable / onclick
		1016	*/
		1017	for(i=0;i<6;i++){
		1018	switch(i){
		1019	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1020	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1021	case 2: double_data[2] = get_real(infile,0);break; /* x */
		1022	case 3: double_data[3] = get_real(infile,0);break; /* y */
		1023	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		1024	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		1025	decimals = find_number_of_digits(precision);
8097	schaersvoo	1026	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	1027	click_cnt++;
		1028	reset();
		1029	break;
		1030	}
		1031	}
		1032	break;
		1033	case ARROW2:
		1034	/*
		1035	@ arrow2 x1,y1,x2,y2,h,color
		1036	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		1037	@ use command 'arrowhead int' to adjust the arrow head size
		1038	@ use command 'linewidth int' to adjust thickness of the arrow
		1039	@ may be set draggable / onclick
		1040	*/
		1041	for(i=0;i<6;i++){
		1042	switch(i){
		1043	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1044	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1045	case 2: double_data[2] = get_real(infile,0);break; /* x */
		1046	case 3: double_data[3] = get_real(infile,0);break; /* y */
		1047	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		1048	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		1049	decimals = find_number_of_digits(precision);
8097	schaersvoo	1050	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	1051	click_cnt++;reset();
		1052	break;
		1053	}
		1054	}
		1055	break;
8347	schaersvoo	1056	case ARROWS2:
		1057	/*
		1058	@ arrows2 color,head (px),x1,y1,x2,y2...x_n,y_n
		1059	@ draw double headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		1060	@ use command 'linewidth int' to adjust thickness of the arrows
		1061	@ may be set draggable / onclick individually
		1062	*/
		1063	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1064	fill_color = stroke_color;
		1065	arrow_head = (int) get_real(infile,0);/* h */
		1066	i=0;
		1067	while( ! done ){ /* get next item until EOL*/
		1068	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1069	if(i%2 == 0 ){
		1070	double_data[i] = get_real(infile,0); /* x */
		1071	}
		1072	else
		1073	{
		1074	double_data[i] = get_real(infile,1); /* y */
		1075	}
		1076	i++;
		1077	}
		1078	decimals = find_number_of_digits(precision);
		1079	for(c = 0 ; c < i-1 ; c = c+4){
		1080	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[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);
		1081	click_cnt++;
		1082	}
		1083	reset();
		1084	break;
8224	bpr	1085	case PARALLEL:
7614	schaersvoo	1086	/*
		1087	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
8224	bpr	1088	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	1089	*/
		1090	for( i = 0;i < 8; i++ ){
		1091	switch(i){
		1092	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		1093	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		1094	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		1095	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		1096	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		1097	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		1098	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		1099	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		1100	decimals = find_number_of_digits(precision);
8097	schaersvoo	1101	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	1102	click_cnt++;reset();
		1103	break;
		1104	default: break;
		1105	}
		1106	}
		1107	break;
		1108	case TRIANGLE:
		1109	/*
		1110	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	1111	@may be set draggable / onclic
7614	schaersvoo	1112	*/
		1113	for(i=0;i<7;i++){
		1114	switch(i){
		1115	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1116	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1117	case 2: double_data[2] = get_real(infile,0);break; /* x */
		1118	case 3: double_data[3] = get_real(infile,0);break; /* y */
		1119	case 4: double_data[4] = get_real(infile,0);break; /* x */
		1120	case 5: double_data[5] = get_real(infile,0);break; /* y */
		1121	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		1122	decimals = find_number_of_digits(precision);
8097	schaersvoo	1123	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	1124	click_cnt++;reset();
		1125	break;
		1126	default: break;
		1127	}
		1128	}
		1129	break;
		1130	case LATTICE:
		1131	/*
		1132	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
8224	bpr	1133	@can not be set "onclick" or "drag xy"
7614	schaersvoo	1134	*/
		1135	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		1136	for( i = 0; i<9; i++){
		1137	switch(i){
		1138	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		1139	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		1140	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	1141	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	1142	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	1143	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	1144	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		1145	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		1146	case 8: stroke_color=get_color(infile,1);
		1147	decimals = find_number_of_digits(precision);
8071	schaersvoo	1148	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	1149	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1150	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	1151	add_to_buffer(tmp_buffer);
		1152	break;
		1153	default:break;
		1154	}
		1155	}
		1156	reset();
		1157	break;
		1158	case SNAPTOGRID:
		1159	/*
		1160	@ snaptogrid
		1161	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1162	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	1163	@ 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	1164	*/
7881	schaersvoo	1165	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	1166	break;
7784	schaersvoo	1167	case XSNAPTOGRID:
		1168	/*
		1169	@ xsnaptogrid
		1170	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1171	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	1172	@ 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	1173	*/
7881	schaersvoo	1174	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	1175	break;
		1176	case YSNAPTOGRID:
		1177	/*
		1178	@ ysnaptogrid
		1179	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1180	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	1181	@ 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	1182	*/
7881	schaersvoo	1183	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1184	break;
8222	schaersvoo	1185	case USERINPUT:
		1186	/*
		1187	@ userinput function \| textarea \| inputfield
		1188	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1189	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1190	@ function may be used any time (e.g. without userdraw)
8297	schaersvoo	1191	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		1192	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
		1193	@ the userinput for the function will be corrected by a simple 'rawmath' implementation...
8222	schaersvoo	1194	*/
		1195	temp = get_string_argument(infile,1);
		1196	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1197	if( js_function[DRAW_JSFUNCTION] != 1 ){
8297	schaersvoo	1198	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
8222	schaersvoo	1199	js_function[DRAW_JSFUNCTION] = 1;
		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]);
8222	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	}
8222	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	}
		1219	else
		1220	{
		1221	if(strstr(temp,"inputfield") != 0 ){
		1222	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1223	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1224	use_input_xy = 1;
		1225	}
		1226	else
		1227	{
		1228	if(strstr(temp,"textarea") != 0 ){
		1229	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1230	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1231	use_input_xy = 2;
		1232	}
		1233	else
		1234	{
		1235	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1236	}
		1237	}
		1238	}
		1239	break;
7663	schaersvoo	1240	case USERTEXTAREA_XY:
		1241	/*
		1242	@ usertextarea_xy
8224	bpr	1243	@ keyword
7663	schaersvoo	1244	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1245	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1246	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1247	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1248	*/
7856	schaersvoo	1249	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1250	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1251	use_input_xy = 2;
		1252	break;
7652	schaersvoo	1253	case USERINPUT_XY:
		1254	/*
		1255	@ userinput_xy
8224	bpr	1256	@ keyword
7652	schaersvoo	1257	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1258	@ 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	1259	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1260	@ 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	1261	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1262	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1263	*/
7749	schaersvoo	1264	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1265	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1266	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1267	use_input_xy = 1;
		1268	break;
8297	schaersvoo	1269	case FUNCTION_LABEL:
8322	schaersvoo	1270	/*
		1271	@ functionlabel 'some string'
		1272	@ default value "f(x)="
		1273	@ no mathml allowed (just ascii string)
		1274	@ if needed, use before every command 'userinput function \| inputfield \| textarea'
		1275	*/
8297	schaersvoo	1276	function_label = get_string_argument(infile,1);
		1277	break;
8193	schaersvoo	1278	case USERINPUT_FUNCTION:
		1279	/*
		1280	@ userinput_function
		1281	@ keyword
		1282	@ if set , a inputfield will be added to the page
8297	schaersvoo	1283	@ repeat keyword for more function input fields
8193	schaersvoo	1284	@ the userinput value will be plotted in the canvas
		1285	@ 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
		1286	@ 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
		1287	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1288	*/
8224	bpr	1289	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1290	js_function[DRAW_JSFUNCTION] = 1;
8297	schaersvoo	1291	add_rawmath(js_include_file);
8193	schaersvoo	1292	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1293	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	1294	input_cnt++;
		1295	}
8297	schaersvoo	1296	else
		1297	{
		1298	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1299	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]);
		1300	input_cnt++;
		1301	}
8193	schaersvoo	1302	if( use_js_math == FALSE){/* add this stuff only once...*/
		1303	add_to_js_math(js_include_file);
		1304	use_js_math = TRUE;
		1305	}
		1306	if( use_js_plot == FALSE){
		1307	use_js_plot = TRUE;
		1308	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1309	}
		1310	break;
7614	schaersvoo	1311	case USERDRAW:
		1312	/*
		1313	@ userdraw object_type,color
8244	schaersvoo	1314	@ 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	1315	@ 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	1316	@ 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	1317	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1318	@ 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)
		1319	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1320	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1321	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1322	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1323	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1324	@ 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	1325	*/
		1326	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1327	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1328	}
8074	schaersvoo	1329	reply_precision = precision;
7614	schaersvoo	1330	use_userdraw = TRUE;
8130	schaersvoo	1331	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	1332	draw_type = get_string_argument(infile,0);
		1333	stroke_color = get_color(infile,1);
		1334	if( strcmp(draw_type,"point") == 0 ){
		1335	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1336	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1337	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1338	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1339	if(use_input_xy == 1){
7652	schaersvoo	1340	add_input_circle(js_include_file,1,1);
		1341	add_input_xy(js_include_file,canvas_root_id);
		1342	}
7614	schaersvoo	1343	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);
		1344	}
		1345	else
		1346	if( strcmp(draw_type,"points") == 0 ){
		1347	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1348	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1349	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1350	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1351	if(use_input_xy == 1){
7652	schaersvoo	1352	add_input_circle(js_include_file,1,2);
		1353	add_input_xy(js_include_file,canvas_root_id);
		1354	}
7614	schaersvoo	1355	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);
		1356	}
		1357	else
		1358	if( strcmp(draw_type,"segment") == 0 ){
		1359	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1360	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1361	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1362	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1363	if(use_input_xy == 1){
7652	schaersvoo	1364	add_input_segment(js_include_file,1);
		1365	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1366	}
7614	schaersvoo	1367	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1368	}
		1369	else
7663	schaersvoo	1370	if( strcmp(draw_type,"polyline") == 0 ){
		1371	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1372	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1373	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1374	if( use_input_xy == 1 ){
		1375	add_input_polyline(js_include_file);
		1376	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1377	}
		1378	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1379	}
		1380	else
7614	schaersvoo	1381	if( strcmp(draw_type,"segments") == 0 ){
		1382	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1383	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1384	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1385	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1386	if(use_input_xy == 1){
7652	schaersvoo	1387	add_input_segment(js_include_file,2);
		1388	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1389	}
7614	schaersvoo	1390	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1391	}
		1392	else
		1393	if( strcmp(draw_type,"circle") == 0 ){
		1394	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1395	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1396	/* 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	1397	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1398	if(use_input_xy == 1){
7652	schaersvoo	1399	add_input_circle(js_include_file,2,1);
		1400	add_input_xyr(js_include_file,canvas_root_id);
		1401	}
7614	schaersvoo	1402	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]);
		1403	}
		1404	else
		1405	if( strcmp(draw_type,"circles") == 0 ){
		1406	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1407	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1408	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1409	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	1410	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1411	if(use_input_xy == 1){
7652	schaersvoo	1412	add_input_circle(js_include_file,2,2);
		1413	add_input_xyr(js_include_file,canvas_root_id);
		1414	}
7614	schaersvoo	1415	}
		1416	else
		1417	if(strcmp(draw_type,"crosshair") == 0 ){
		1418	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1419	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1420	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1421	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1422	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1423	if(use_input_xy == 1){
7654	schaersvoo	1424	add_input_crosshair(js_include_file,1);
		1425	add_input_xy(js_include_file,canvas_root_id);
		1426	}
7614	schaersvoo	1427	}
		1428	else
		1429	if(strcmp(draw_type,"crosshairs") == 0 ){
		1430	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1431	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1432	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1433	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1434	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1435	if(use_input_xy == 1){
7654	schaersvoo	1436	add_input_crosshair(js_include_file,2);
		1437	add_input_xy(js_include_file,canvas_root_id);
		1438	}
7614	schaersvoo	1439	}
		1440	else
		1441	if(strcmp(draw_type,"freehandline") == 0 ){
		1442	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1443	if(reply_format == 0){reply_format = 6;}
8224	bpr	1444	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	1445	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1446	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1447	}
		1448	else
		1449	if(strcmp(draw_type,"freehandlines") == 0 ){
		1450	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1451	if(reply_format == 0){reply_format = 6;}
8224	bpr	1452	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	1453	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1454	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1455	}
		1456	else
		1457	if(strcmp(draw_type,"path") == 0 ){
		1458	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1459	if(reply_format == 0){reply_format = 6;}
8224	bpr	1460	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	1461	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1462	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1463	}
		1464	else
		1465	if(strcmp(draw_type,"paths") == 0 ){
		1466	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1467	if(reply_format == 0){reply_format = 6;}
8224	bpr	1468	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	1469	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1470	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1471	}
		1472	else
		1473	if(strcmp(draw_type,"arrows") == 0 ){
		1474	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1475	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1476	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	1477	if(use_input_xy == 1){
7654	schaersvoo	1478	add_input_arrow(js_include_file,2);
		1479	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1480	}
8071	schaersvoo	1481	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1482	}
		1483	else
7874	schaersvoo	1484	if(strcmp(draw_type,"arrows2") == 0 ){
		1485	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1486	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1487	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	1488	if(use_input_xy == 1){
7874	schaersvoo	1489	add_input_arrow(js_include_file,1);
		1490	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1491	}
8071	schaersvoo	1492	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1493	}
		1494	else
		1495	if(strcmp(draw_type,"arrow2") == 0 ){
		1496	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1497	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1498	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	1499	if(use_input_xy == 1){
7874	schaersvoo	1500	add_input_arrow(js_include_file,1);
		1501	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1502	}
8071	schaersvoo	1503	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1504	}
		1505	else
7614	schaersvoo	1506	if(strcmp(draw_type,"arrow") == 0 ){
		1507	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1508	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1509	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	1510	if(use_input_xy == 1){
7654	schaersvoo	1511	add_input_arrow(js_include_file,1);
		1512	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1513	}
8071	schaersvoo	1514	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1515	}
		1516	else
		1517	if(strcmp(draw_type,"polygon") == 0){
		1518	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1519	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1520	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	1521	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1522	if(use_input_xy == 2){
7780	schaersvoo	1523	add_textarea_polygon(js_include_file);
		1524	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1525	}
7614	schaersvoo	1526	}
8224	bpr	1527	else
7614	schaersvoo	1528	if(strncmp(draw_type,"poly",4) == 0){
		1529	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1530	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1531	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1532	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	1533	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1534	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1535	}
8224	bpr	1536	else
7614	schaersvoo	1537	if(strcmp(draw_type,"triangle") == 0){
		1538	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1539	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1540	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	1541	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1542	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1543	}
8224	bpr	1544	else
7989	schaersvoo	1545	if( strcmp(draw_type,"hline") == 0 ){
		1546	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1547	if(reply_format == 0){reply_format = 11;}
		1548	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1549	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1550	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1551	}
		1552	else
		1553	if( strcmp(draw_type,"hlines") == 0 ){
		1554	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1555	if(reply_format == 0){reply_format = 11;}
		1556	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1557	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1558	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1559	}
		1560	else
		1561	if( strcmp(draw_type,"vline") == 0 ){
		1562	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1563	if(reply_format == 0){reply_format = 11;}
		1564	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1565	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1566	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1567	}
		1568	else
		1569	if( strcmp(draw_type,"vlines") == 0 ){
		1570	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1571	if(reply_format == 0){reply_format = 11;}
		1572	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1573	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1574	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1575	}
		1576	else
7614	schaersvoo	1577	if( strcmp(draw_type,"line") == 0 ){
		1578	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1579	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1580	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1581	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1582	if( use_input_xy == 1 ){
7780	schaersvoo	1583	add_input_line(js_include_file,1);
7747	schaersvoo	1584	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1585	}
8071	schaersvoo	1586	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1587	}
		1588	else
		1589	if( strcmp(draw_type,"lines") == 0 ){
		1590	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1591	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1592	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1593	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1594	if( use_input_xy == 1 ){
7780	schaersvoo	1595	add_input_line(js_include_file,2);
7747	schaersvoo	1596	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1597	}
8071	schaersvoo	1598	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1599	}
		1600	else
8244	schaersvoo	1601	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1602	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1603	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1604	if(reply_format == 0){reply_format = 11;}
		1605	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1606	if( use_input_xy == 1 ){
		1607	add_input_demiline(js_include_file,2);
		1608	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1609	}
		1610	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1611	}
		1612	else
		1613	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1614	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1615	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1616	if(reply_format == 0){reply_format = 11;}
		1617	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1618	if( use_input_xy == 1 ){
		1619	add_input_demiline(js_include_file,1);
		1620	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1621	}
		1622	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1623	}
		1624	else
7614	schaersvoo	1625	if( strcmp(draw_type,"rects") == 0){
		1626	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1627	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1628	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	1629	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1630	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1631	}
8224	bpr	1632	else
7614	schaersvoo	1633	if( strcmp(draw_type,"roundrects") == 0){
		1634	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1635	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1636	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	1637	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1638	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1639	}
8224	bpr	1640	else
7614	schaersvoo	1641	if( strcmp(draw_type,"rect") == 0){
		1642	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1643	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1644	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	1645	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1646	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1647	}
8224	bpr	1648	else
7614	schaersvoo	1649	if( strcmp(draw_type,"roundrect") == 0){
		1650	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1651	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1652	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	1653	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1654	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1655	}
		1656	else
8083	schaersvoo	1657	if( strcmp(draw_type,"arcs") == 0){
		1658	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1659	if(reply_format == 0){reply_format = 25;}
		1660	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]);
		1661	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1662	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1663	}
		1664	else
8071	schaersvoo	1665	if( strcmp(draw_type,"arc") == 0){
		1666	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1667	if(reply_format == 0){reply_format = 25;}
		1668	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	1669	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1670	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1671	}
		1672	else
7614	schaersvoo	1673	if( strcmp(draw_type,"text") == 0){
8224	bpr	1674	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1675	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1676	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1677	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1678	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1679	}
8116	schaersvoo	1680	else
		1681	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1682	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1683	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1684	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1685	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1686	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1687	}
		1688	else
		1689	if( strcmp(draw_type,"input") == 0){
8224	bpr	1690	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1691	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1692	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1693	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1694	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1695	}
8193	schaersvoo	1696	else
7614	schaersvoo	1697	{
		1698	canvas_error("unknown drawtype or typo? ");
		1699	}
		1700	reset();
		1701	break;
		1702	case PLOTSTEPS:
		1703	/*
		1704	@ plotsteps a_number
		1705	@ default 150
		1706	@ use with care !
		1707	*/
		1708	plot_steps = (int) (get_real(infile,1));
		1709	break;
		1710	case FONTSIZE:
		1711	/*
		1712	@fontsize font_size
		1713	@default value 12
		1714	*/
		1715	font_size = (int) (get_real(infile,1));
		1716	break;
		1717	case FONTCOLOR:
		1718	/*
		1719	@fontcolor color
		1720	@color: hexcolor or colorname
		1721	@default: black
		1722	@example usage: x/y-axis text
		1723	*/
		1724	font_color = get_color(infile,1);
		1725	break;
		1726	case ANIMATE:
		1727	/*
		1728	@animate type
8109	schaersvoo	1729	@REMOVED : this should be done with a slider
7614	schaersvoo	1730	@type may be "point" (nothing else , yet...)
		1731	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1732	@will animate a point on the next plot/curve command
		1733	@the curve will not be draw
		1734	@moves repeatedly from xmin to xmax
		1735	*/
		1736	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1737	break;
7788	schaersvoo	1738	case LEVELCURVE:
		1739	/*
		1740	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1741	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1742	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1743	@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
		1744	@note : the arrays for holding the javascript data are limited in size
		1745	@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	1746	*/
7792	schaersvoo	1747	fill_color = get_color(infile,0);
7788	schaersvoo	1748	char *fun1 = get_string_argument(infile,0);
		1749	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1750	i = 0;
		1751	done = FALSE;
		1752	while( !done ){
		1753	double_data[i] = get_real(infile,1);
		1754	i++;
		1755	}
		1756	for(c = 0 ; c < i; c++){
8097	schaersvoo	1757	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	1758	click_cnt++;
		1759	}
		1760	reset();
		1761	break;
7858	schaersvoo	1762	case TRACE_JSCURVE:
7823	schaersvoo	1763	/*
7858	schaersvoo	1764	@trace_jscurve some_math_function
7823	schaersvoo	1765	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1766	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1767	@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	1768	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1769	@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	1770	*/
		1771	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1772	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1773	if( use_js_math == FALSE){
		1774	add_to_js_math(js_include_file);
		1775	use_js_math = TRUE;
		1776	}
7823	schaersvoo	1777	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);
		1778	break;
		1779	case JSMATH:
		1780	/*
7858	schaersvoo	1781	@jsmath some_math_function
7856	schaersvoo	1782	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1783	@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	1784	@example: jsmath sin(x^2)
		1785	@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	1786	*/
		1787	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1788	if( use_js_math == FALSE){
		1789	add_to_js_math(js_include_file);
		1790	use_js_math = TRUE;
		1791	}
7823	schaersvoo	1792	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1793	break;
7858	schaersvoo	1794	case JSCURVE:
		1795	/*
		1796	@jscurve color,formula(x)
		1797	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1798	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1799	@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	1800	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1801	@no validity check is done by wims.
		1802	@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
		1803	@use command 'trace_jscurve formula(x)` for tracing
		1804	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1805	@can not be set draggable / onclick (yet)
8224	bpr	1806	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1807	*/
		1808	stroke_color = get_color(infile,0);
		1809	if( use_js_math == FALSE){/* add this stuff only once...*/
		1810	add_to_js_math(js_include_file);
		1811	use_js_math = TRUE;
		1812	}
		1813	if( use_js_plot == FALSE){
		1814	use_js_plot = TRUE;
		1815	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1816	}
		1817	temp = get_string_argument(infile,1);
		1818	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]);
		1819	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1820	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]);
		1821	add_to_buffer(tmp_buffer);
		1822	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1823
		1824	break;
7614	schaersvoo	1825	case CURVE:
		1826	/*
		1827	@curve color,formula(x)
		1828	@plot color,formula(x)
		1829	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1830	@use command "precision" to increase the number of digits of the plotted points
		1831	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1832	@may be set draggable / onclick
		1833	*/
		1834	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1835	use_parametric = FALSE;
		1836	stroke_color = get_color(infile,0);
		1837	char *fun1 = get_string_argument(infile,0);
		1838	char *fun2 = get_string_argument(infile,1);
		1839	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1840	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	1841	click_cnt++;
		1842	}
		1843	else
		1844	{
		1845	stroke_color = get_color(infile,0);
		1846	char *fun1 = get_string_argument(infile,1);
8224	bpr	1847	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1848	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	1849	click_cnt++;
		1850	}
7788	schaersvoo	1851	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1852	reset();
		1853	break;
		1854	case FLY_TEXT:
		1855	/*
		1856	@ text fontcolor,x,y,font,text_string
		1857	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1858	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1859	@ may be set "onclick" or "drag xy"
		1860	@ backwards compatible with flydraw
		1861	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1862	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1863	@ 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	1864	*/
		1865	for(i = 0; i < 5 ;i++){
		1866	switch(i){
		1867	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1868	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1869	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1870	case 3: fly_font = get_string_argument(infile,0);
		1871	if(strcmp(fly_font,"giant") == 0){
		1872	font_size = (int)(font_size + 24);
		1873	}
		1874	else
		1875	{
		1876	if(strcmp(fly_font,"huge") == 0){
		1877	font_size = (int)(font_size + 14);
		1878	}
		1879	else
		1880	{
		1881	if(strcmp(fly_font,"large") == 0){
		1882	font_size = (int)(font_size + 6);
		1883	}
		1884	else
		1885	{
		1886	if(strcmp(fly_font,"small") == 0){
		1887	font_size = (int)(font_size - 4);
		1888	if(font_size<0){font_size = 8;}
		1889	}
		1890	}
		1891	}
		1892	}
		1893	break; /* font_size ! */
8224	bpr	1894	case 4:
7614	schaersvoo	1895	temp = get_string_argument(infile,1);
		1896	decimals = find_number_of_digits(precision);
8097	schaersvoo	1897	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	1898	click_cnt++;reset();break;
		1899	default:break;
		1900	}
		1901	}
		1902	break;
		1903	case FLY_TEXTUP:
		1904	/*
		1905	@ textup fontcolor,x,y,font,text_string
		1906	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1907	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1908	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1909	@ backwards compatible with flydraw
		1910	@ unicode supported: textup red,0,0,huge,\\u2232
		1911	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1912	@ 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	1913	*/
8224	bpr	1914	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1915	for(i = 0; i<5 ;i++){
		1916	switch(i){
		1917	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1918	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1919	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1920	case 3: fly_font = get_string_argument(infile,0);
		1921	if(strcmp(fly_font,"giant") == 0){
		1922	font_size = (int)(font_size + 24);
		1923	}
		1924	else
		1925	{
		1926	if(strcmp(fly_font,"huge") == 0){
		1927	font_size = (int)(font_size + 14);
		1928	}
		1929	else
		1930	{
		1931	if(strcmp(fly_font,"large") == 0){
		1932	font_size = (int)(font_size + 6);
		1933	}
		1934	else
		1935	{
		1936	if(strcmp(fly_font,"small") == 0){
		1937	font_size = (int)(font_size - 4);
		1938	if(font_size<0){font_size = 8;}
		1939	}
		1940	}
		1941	}
		1942	}
		1943	break; /* font_size ! */
8224	bpr	1944	case 4:
7614	schaersvoo	1945	decimals = find_number_of_digits(precision);
		1946	temp = get_string_argument(infile,1);
8071	schaersvoo	1947	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	1948	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1949	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	1950	add_to_buffer(tmp_buffer);
		1951	break;
		1952	default:break;
		1953	}
		1954	}
		1955	reset();
		1956	break;
		1957	case FONTFAMILY:
		1958	/*
		1959	@ fontfamily font_description
		1960	@ set the font family; for browsers that support it
		1961	@ font_description: Ariel ,Courier, Helvetica etc
		1962	@ 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
		1963	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1964	*/
		1965	font_family = get_string(infile,1);
		1966	break;
		1967	case STRINGUP:
8224	bpr	1968	/*
		1969	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1970	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1971	@ unicode supported: stringup red,0,0,45,\\u2232
		1972	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1973
		1974	*/
		1975	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1976	for(i=0;i<6;i++){
		1977	switch(i){
		1978	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1979	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1980	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1981	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1982	case 4: decimals = find_number_of_digits(precision);
		1983	temp = get_string_argument(infile,1);
8071	schaersvoo	1984	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	1985	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1986	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	1987	add_to_buffer(tmp_buffer);
		1988	break;
		1989	default:break;
		1990	}
		1991	}
		1992	reset();
		1993	break;
		1994	case STRING:
8224	bpr	1995	/*
7614	schaersvoo	1996	@ string color,x,y,the text string
		1997	@ may be set "onclick" or "drag xy"
		1998	@ unicode supported: string red,0,0,\\u2232
8224	bpr	1999	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	2000	*/
		2001	for(i=0;i<5;i++){
		2002	switch(i){
		2003	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		2004	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		2005	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		2006	case 3: decimals = find_number_of_digits(precision);
		2007	temp = get_string_argument(infile,1);
		2008	decimals = find_number_of_digits(precision);
8097	schaersvoo	2009	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	2010	click_cnt++;reset();break;
		2011	default:break;
		2012	}
		2013	}
		2014	break;
7983	schaersvoo	2015	case CENTERSTRING:
8224	bpr	2016	/*
7983	schaersvoo	2017	@ centerstring color,y-value,the text string
7984	schaersvoo	2018	@ title color,y-value,the text string
7983	schaersvoo	2019	@ draw a string centered on the canvas at y = y-value
		2020	@ can not set "onclick" or "drag xy" (...)
		2021	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	2022	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	2023	*/
		2024	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		2025	for(i=0;i<3;i++){
		2026	switch(i){
		2027	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		2028	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		2029	case 2: temp = get_string_argument(infile,1);
		2030	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		2031	decimals = find_number_of_digits(precision);
		2032	string_length = snprintf(NULL,0,
		2033	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		2034	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2035	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);
		2036	add_to_buffer(tmp_buffer);
		2037	break;
		2038	default:break;
		2039	}
		2040	}
		2041	break;
7614	schaersvoo	2042	case MATHML:
		2043	/*
		2044	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	2045	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	2046	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	2047	@ 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	2048	@ 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	2049
7614	schaersvoo	2050	*/
		2051	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2052	for(i=0;i<5;i++){
		2053	switch(i){
		2054	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2055	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2056	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2057	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2058	case 4: decimals = find_number_of_digits(precision);
8224	bpr	2059	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	2060	temp = get_string(infile,1);
		2061	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2062	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);
		2063	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2064	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);
		2065	add_to_buffer(tmp_buffer);
8224	bpr	2066	/*
		2067	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	2068	if no other reply_format is defined
		2069	note: all other reply types will include a reading of elements with id='mathml'+p)
		2070	*/
		2071	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	2072	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	2073	}
		2074	break;
		2075	default:break;
		2076	}
		2077	}
		2078	reset();
		2079	break;
		2080	case HTTP:
		2081	/*
		2082	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	2083	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	2084	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		2085	@can not be 'set onclick' or 'drag xy'
		2086	*/
8224	bpr	2087	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	2088	for(i=0;i<5;i++){
		2089	switch(i){
		2090	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2091	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2092	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2093	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2094	case 4: decimals = find_number_of_digits(precision);
		2095	temp = get_string(infile,1);
		2096	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		2097	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);
		2098	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2099	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);
		2100	add_to_buffer(tmp_buffer);
		2101	break;
		2102	}
		2103	}
		2104	reset();
		2105	break;
		2106	case HTML:
		2107	/*
		2108	@ html x1,y1,x2,y2,html_string
		2109	@ all tags are allowed
		2110	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		2111	@ 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	2112
7614	schaersvoo	2113	note: uses the same code as 'mathml'
		2114	*/
		2115	break;
		2116	case X_AXIS_STRINGS:
		2117	/*
		2118	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2119	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2120	@ use these x-axis values in stead of default xmin...xmax
		2121	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2122	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		2123	@ 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
		2124	@ 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
		2125	*/
		2126	temp = get_string(infile,1);
		2127	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2128	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2129	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		2130	use_axis_numbering = 1;
		2131	break;
		2132	case Y_AXIS_STRINGS:
		2133	/*
		2134	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2135	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2136	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2137	@ use these y-axis values in stead of default ymin...ymax
		2138	@ 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
		2139	*/
		2140	temp = get_string(infile,1);
		2141	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2142	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2143	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		2144	use_axis_numbering = 1;
		2145	break;
8224	bpr	2146
7614	schaersvoo	2147	case AXIS_NUMBERING:
		2148	/*
8224	bpr	2149	@ axisnumbering
8101	schaersvoo	2150	@ keyword, no arguments required
7614	schaersvoo	2151	*/
		2152	use_axis_numbering = 1;
		2153	break;
		2154	case AXIS:
		2155	/*
		2156	@ axis
8101	schaersvoo	2157	@ keyword, no arguments required
7614	schaersvoo	2158
		2159	*/
		2160	use_axis = TRUE;
		2161	break;
8101	schaersvoo	2162	case KILLSLIDER:
		2163	/*
		2164	@ killslider
		2165	@ keyword, no arguments required
		2166	@ ends grouping of object under a preciously defined slider
		2167	*/
		2168	slider = 0;
		2169	break;
8071	schaersvoo	2170	case SLIDER:
		2171	/*
8097	schaersvoo	2172	@ slider start_value,end_value,width px,height px,type,label
		2173	@ type: xy,x,y,angle
8112	schaersvoo	2174	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		2175	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	2176	@ use commmand 'slider' before draggable/clickable objects.
		2177	@ 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	2178	@ amount of sliders is not limited.
8101	schaersvoo	2179	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	2180	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		2181	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	2182	@ label: some slider text
		2183	@ use fillcolor for slider ball
		2184	@ use strokecolor for slider bar
8097	schaersvoo	2185	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	2186	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	2187	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	2188	*/
		2189	for(i=0; i<6 ; i++){
		2190	switch(i){
		2191	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		2192	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		2193	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		2194	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	2195	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	2196	/* xy display*/
		2197	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	2198	slider = 4;
		2199	}
		2200	else
		2201	{
8112	schaersvoo	2202	if(strstr(temp,"x") != 0){
8097	schaersvoo	2203	slider = 1;
		2204	}
		2205	else
		2206	{
8112	schaersvoo	2207	if(strstr(temp,"y") != 0){
8097	schaersvoo	2208	slider = 2;
		2209	}
		2210	else
		2211	{
8112	schaersvoo	2212	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2213	slider = 3;
		2214	}
		2215	else
8112	schaersvoo	2216	{
8097	schaersvoo	2217	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2218	}
8097	schaersvoo	2219	}
		2220	}
		2221	}
8112	schaersvoo	2222	if(strstr(temp,"display")!=0){
		2223	use_slider_display = 1; /* show x xy values in canvas window */
		2224	}
		2225	else
		2226	{
		2227	if(strstr(temp,"degree")!= 0){
		2228	use_slider_display = 2; /* show angle values in canvas window */
		2229	}
		2230	else
		2231	{
		2232	if(strstr(temp,"radian")!=0){
		2233	use_slider_display = 3; /* show radian values in canvas window */
		2234	}
		2235	}
		2236	}
		2237	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2238	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2239	}
8097	schaersvoo	2240	break;
		2241	case 5: /* some string used for slider description */
8071	schaersvoo	2242	slider_cnt++;
8097	schaersvoo	2243	if(slider == 4){
8112	schaersvoo	2244	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	2245	}else{
8112	schaersvoo	2246	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	2247	}
8071	schaersvoo	2248	break;
		2249	}
8097	schaersvoo	2250	}
8071	schaersvoo	2251	break;
7654	schaersvoo	2252	case SGRAPH:
		2253	/*
		2254	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2255	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2256	@ 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	2257	@ 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	2258	*/
8224	bpr	2259	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2260	for(i = 0 ; i < 8 ;i++){
		2261	switch(i){
		2262	case 0:double_data[0] = get_real(infile,0);break;
		2263	case 1:double_data[1] = get_real(infile,0);break;
		2264	case 2:double_data[2] = get_real(infile,0);break;
		2265	case 3:double_data[3] = get_real(infile,0);break;
		2266	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2267	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2268	case 6:stroke_color = get_color(infile,0);break;
		2269	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2270	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	2271	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2272	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	2273	add_to_buffer(tmp_buffer);
		2274	break;
		2275	default:break;
		2276	}
		2277	}
		2278	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2279	break;
7614	schaersvoo	2280	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2281	/*
		2282	@ grid step_x,step_y,gridcolor
		2283	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2284	@ 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	2285	@ 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	2286	@ can not be set "onclick" or "drag xy"
		2287	@ 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')
		2288	@ 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')
		2289	@ 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')
		2290	*/
7729	schaersvoo	2291	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2292	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2293	for(i=0;i<4;i++){
		2294	switch(i){
		2295	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2296	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2297	case 2:
		2298	if( use_axis == TRUE ){
		2299	stroke_color = get_color(infile,0);
		2300	done = FALSE;
		2301	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2302	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2303	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2304	fill_color = get_color(infile,1); /* used as axis_color*/
		2305	}
		2306	else
		2307	{
		2308	int_data[0] = 1;
		2309	int_data[1] = 1;
		2310	stroke_color = get_color(infile,1);
		2311	fill_color = stroke_color;
		2312	}
		2313	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	2314	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2315	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2316	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	2317	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2318	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	2319	add_to_buffer(tmp_buffer);
		2320	break;
		2321	}
		2322	}
		2323	reset();
		2324	break;
		2325	case OPACITY:
		2326	/*
		2327	@ opacity 0-255,0-255
		2328	@
		2329	*/
		2330	for(i = 0 ; i<2;i++){
		2331	switch(i){
		2332	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2333	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2334	default: break;
		2335	}
		2336	}
		2337	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 ? */
		2338	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2339	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2340	break;
		2341	case ROTATE:
		2342	/*
		2343	@rotate rotation_angle
8097	schaersvoo	2344	@angle in degrees
7614	schaersvoo	2345	*/
		2346	use_rotate = TRUE;
8097	schaersvoo	2347	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2348	break;
7785	schaersvoo	2349	case KILLAFFINE:
		2350	/*
		2351	@ killaffine
		2352	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2353	*/
		2354	use_affine = FALSE;
8224	bpr	2355	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2356	break;
		2357	case AFFINE:
		2358	/*
		2359	@affine a,b,c,d,tx,ty
8224	bpr	2360	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2361	@ use keyword 'killaffine' to end the transformation
		2362	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2363	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2364	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2365	@ a : Scales the drawings horizontally
		2366	@ b : Skews the drawings horizontally
		2367	@ c : Skews the drawings vertically
		2368	@ d : Scales the drawings vertically
8071	schaersvoo	2369	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2370	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2371	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2372	*/
		2373	for(i = 0 ; i<6;i++){
		2374	switch(i){
		2375	case 0: double_data[0] = get_real(infile,0);break;
		2376	case 1: double_data[1] = get_real(infile,0);break;
		2377	case 2: double_data[2] = get_real(infile,0);break;
		2378	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2379	case 4: double_data[4] = get_real(infile,0);break;
		2380	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2381	use_affine = TRUE;
8071	schaersvoo	2382	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	2383	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2384	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	2385	break;
7785	schaersvoo	2386	default: break;
		2387	}
		2388	}
		2389	break;
7614	schaersvoo	2390	case KILLTRANSLATION:
		2391	/*
		2392	killtranslation
		2393	*/
8071	schaersvoo	2394	use_affine = FALSE;
8224	bpr	2395	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2396	break;
		2397	case TRANSLATION:
		2398	/*
		2399	@translation tx,ty
8071	schaersvoo	2400	@will translate the next object tx in xrange and ty in yrange
		2401	@uase command 'killtranstation' to end the command
7614	schaersvoo	2402	*/
8071	schaersvoo	2403	for(i = 0 ; i<2;i++){
		2404	switch(i){
		2405	case 0: double_data[0] = get_real(infile,0);break;
		2406	case 1: double_data[1] = get_real(infile,1);
		2407	use_affine = TRUE;
		2408	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2409	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2410	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2411	break;
		2412	default: break;
		2413	}
		2414	}
		2415	break;
		2416
7614	schaersvoo	2417	case DASHED:
		2418	/*
		2419	@ keyword "dashed"
		2420	@ next object will be drawn with a dashed line
		2421	@ change dashing scheme by using command "dashtype int,int)
		2422	*/
		2423	use_dashed = TRUE;
		2424	break;
		2425	case FILLED:
		2426	/*
8224	bpr	2427	@ keyword "filled"
		2428	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2429	@ use command "fillcolor color" to set fillcolor
		2430	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2431	@ 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 !
		2432	*/
		2433	use_filled = TRUE;
		2434	break;
		2435	case STYLE:
		2436	/*
		2437	@highlight color,opacity,linewidth
		2438	@ NOT IMPLEMENTED
		2439	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2440	*/
		2441	break;
		2442	case FILLCOLOR:
		2443	/*
		2444	@ fillcolor colorname or #hex
		2445	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2446	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2447	*/
		2448	fill_color = get_color(infile,1);
		2449	break;
		2450	case STROKECOLOR:
		2451	/*
		2452	@ strokecolor colorname or #hex
		2453	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2454	*/
		2455	stroke_color = get_color(infile,1);
		2456	break;
8224	bpr	2457	case BGIMAGE:
7614	schaersvoo	2458	/*
		2459	@bgimage image_location
		2460	@use an image as background .<br />(we use the background of 'canvas_div' )
		2461	@the background image will be resized to match "width = xsize" and "height = ysize"
		2462	*/
		2463	URL = get_string(infile,1);
		2464	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);
		2465	break;
8224	bpr	2466	case BGCOLOR:
7614	schaersvoo	2467	/*
		2468	@bgcolor colorname or #hex
		2469	@use this color as background of the "div" containing the canvas(es)
		2470	*/
		2471	/* [255,255,255]*/
		2472	bgcolor = get_string(infile,1);
		2473	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2474	int found = 0;
		2475	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2476	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2477	bgcolor = colors[i].hex;
		2478	found = 1;
		2479	break;
		2480	}
		2481	}
		2482	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2483	}
		2484	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2485	break;
		2486	case COPY:
		2487	/*
		2488	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2489	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2490	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2491	@ [filename] is the URL of the image
7614	schaersvoo	2492	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2493	@ 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	2494	@ 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	2495
		2496	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2497	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2498	*/
		2499	for(i = 0 ; i<7;i++){
		2500	switch(i){
		2501	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2502	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2503	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2504	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2505	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2506	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2507	case 6: URL = get_string(infile,1);
		2508	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2509	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2510	if( drag_type > -1 ){
		2511	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2512	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2513	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);
		2514	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2515	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	2516	drag_type = -1;
		2517	ext_img_cnt++;
		2518	}
		2519	else
		2520	{
		2521	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2522	/*
		2523	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2524	*/
		2525	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]);
		2526	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2527	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]);
		2528	}
		2529	add_to_buffer(tmp_buffer);
		2530	break;
		2531	default: break;
		2532	}
		2533	}
		2534	reset();
		2535	break;
		2536	/*
		2537	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2538	img Specifies the image, canvas, or video element to use
		2539	sx The x coordinate where to start clipping : x1 = int_data[0]
		2540	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2541	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2542	sheight The height of the clipped image : int_data[3] - int_data[1]
		2543	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2544	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2545	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2546	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2547	*/
		2548	case COPYRESIZED:
		2549	/*
		2550	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2551	@ 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	2552	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2553	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2554	@ 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	2555	@ 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	2556	*/
		2557	for(i = 0 ; i<9;i++){
		2558	switch(i){
		2559	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2560	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2561	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2562	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2563	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2564	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2565	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2566	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2567	case 8: URL = get_string(infile,1);
		2568	if( drag_type > -1 ){
		2569	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2570	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2571	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);
		2572	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2573	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);
		2574	drag_type = -1;
		2575	ext_img_cnt++;
		2576	}
		2577	else
		2578	{
		2579	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2580	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]);
		2581	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2582	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]);
		2583	}
		2584	add_to_buffer(tmp_buffer);
		2585	default: break;
		2586	}
		2587	}
		2588	reset();
		2589	break;
8146	schaersvoo	2590	case CLEARBUTTON:
7614	schaersvoo	2591	/*
8146	schaersvoo	2592	@clearbutton value
		2593	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2594	@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	2595	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2596	@use command 'inputstyle' to style the button...
7614	schaersvoo	2597	*/
8146	schaersvoo	2598	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2599	break;
		2600	case INPUTSTYLE:
		2601	/*
		2602	@ inputstyle style_description
		2603	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2604	*/
		2605	input_style = get_string(infile,1);
		2606	break;
		2607	case INPUT:
8224	bpr	2608	/*
7614	schaersvoo	2609	@ input x,y,size,editable,value
8224	bpr	2610	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2611	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2612	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2613	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2614	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2615	*/
8224	bpr	2616	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2617	for(i = 0 ; i<5;i++){
		2618	switch(i){
		2619	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2620	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2621	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2622	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2623	case 4:
7614	schaersvoo	2624	temp = get_string_argument(infile,1);
		2625	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);
		2626	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2627	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);
		2628	add_to_buffer(tmp_buffer);
		2629	input_cnt++;break;
		2630	default: break;
		2631	}
		2632	}
7876	schaersvoo	2633	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2634	reset();
		2635	break;
		2636	case TEXTAREA:
8224	bpr	2637	/*
7614	schaersvoo	2638	@ textarea x,y,cols,rows,readonly,value
		2639	@ may be further controlled by "inputstyle"
8224	bpr	2640	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2641	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2642	*/
8224	bpr	2643	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2644	for(i = 0 ; i<6;i++){
		2645	switch(i){
		2646	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2647	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2648	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2649	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2650	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2651	case 5: temp = get_string_argument(infile,1);
		2652	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);
		2653	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2654	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);
		2655	add_to_buffer(tmp_buffer);
		2656	input_cnt++;break;
		2657	default: break;
		2658	}
		2659	}
7876	schaersvoo	2660	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2661	reset();
		2662	break;
		2663	case MOUSE_PRECISION:
		2664	/*
		2665	@ precision int
8074	schaersvoo	2666	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2667	@ may be used / changed before every object
8074	schaersvoo	2668	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2669	*/
		2670	precision = (int) (get_real(infile,1));
8074	schaersvoo	2671	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2672	break;
7838	schaersvoo	2673	case SETLIMITS:
		2674	/*
8224	bpr	2675	@setlimits
7838	schaersvoo	2676	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2677	@may be used for inputfield based zooming / panning
7858	schaersvoo	2678	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2679	@note:the input value will not be checked on validity
7838	schaersvoo	2680	*/
7956	schaersvoo	2681	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2682	add_setlimits(js_include_file,canvas_root_id);
		2683	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2684	use_pan_and_zoom = TRUE;
		2685	done = TRUE;
		2686	break;
7614	schaersvoo	2687	case ZOOM:
		2688	/*
		2689	@ zoom button_color
		2690	@ introduce a controlpanel at the lower right corner
		2691	@ 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
		2692	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2693	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2694	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2695	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2696	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2697	@ 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 !!
		2698	*/
7653	schaersvoo	2699	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2700	use_pan_and_zoom = TRUE;
7988	schaersvoo	2701	stroke_color = get_color(infile,1);
7614	schaersvoo	2702	/* we use BG_CANVAS (0) */
7988	schaersvoo	2703	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2704	done = TRUE;
		2705	break;
		2706	case ONCLICK:
		2707	/*
		2708	@ onclick
		2709	@ keyword, no arguments
		2710	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2711	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2712	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2713	*/
8257	schaersvoo	2714	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2715	onclick = 1;
		2716	break;
		2717	case DRAG:
		2718	/*
		2719	@ drag [x][y][xy]
		2720	@ the next object will be draggable in x / y / xy direction
		2721	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2722	@ 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	2723	@ 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	2724	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2725	@ 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	2726	@ 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 !!
		2727	*/
		2728	temp = get_string(infile,1);
8224	bpr	2729	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2730	drag_type = 0;
		2731	}
		2732	else
		2733	{
8224	bpr	2734	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2735	drag_type = 1;
		2736	}
		2737	else
		2738	{
		2739	drag_type = 2;
		2740	}
		2741	}
8257	schaersvoo	2742	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2743	onclick = 2;
8257	schaersvoo	2744
7614	schaersvoo	2745	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2746	break;
		2747	case BLINK:
		2748	/*
		2749	@ blink time(seconds)
		2750	@ NOT IMPLEMETED -YET
		2751	*/
		2752	break;
7996	schaersvoo	2753	case XUNIT:
		2754	/*
		2755	@ xunit some_unit_for_x-values
		2756	@ unicode allowed (no html code)
		2757	@ use together with command mousex
		2758	@ will display the cursor x-coordinate 'unit'
		2759	*/
		2760	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2761	break;
		2762	case YUNIT:
		2763	/*
		2764	@ yunit some_unit_for_y-values
		2765	@ unicode allowed (no html code)
		2766	@ use together with command mousex
		2767	@ will display the cursor y-coordinate 'unit'
		2768	*/
		2769	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2770	break;
8071	schaersvoo	2771	case MOUSE_DISPLAY:
		2772	/*
8129	schaersvoo	2773	@display x\|y\|xy\|degree\|radius,color,fontsize
		2774	@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)
		2775	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2776	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2777	*/
		2778	temp = get_string_argument(infile,0);
8112	schaersvoo	2779	if( strstr(temp,"xy") != NULL ){
		2780	int_data[0] = 2;
8071	schaersvoo	2781	}else{
8112	schaersvoo	2782	if( strstr(temp,"y") != NULL ){
		2783	int_data[0] = 1;
8071	schaersvoo	2784	}else{
8112	schaersvoo	2785	if( strstr(temp,"x") != NULL ){
		2786	int_data[0] = 0;
8129	schaersvoo	2787	}else{
8112	schaersvoo	2788	if(strstr(temp,"degree") != NULL){
		2789	int_data[0] = 3;
8071	schaersvoo	2790	}else{
8129	schaersvoo	2791	if(strstr(temp,"radius") != NULL){
		2792	int_data[0] = 4;
		2793	}else{
		2794	int_data[0] = 2;
		2795	}
8112	schaersvoo	2796	}
8129	schaersvoo	2797	}
8071	schaersvoo	2798	}
8129	schaersvoo	2799	}
8071	schaersvoo	2800	stroke_color = get_color(infile,0);
		2801	font_size = (int) (get_real(infile,1));
		2802	tmp_buffer = my_newmem(26);
		2803	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2804	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2805	break;
		2806	case MOUSE_DEGREE:
		2807	/*
		2808	@ mouse_degree color,fontsize
8099	schaersvoo	2809	@ 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	2810	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2811	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2812
		2813	*/
		2814	stroke_color = get_color(infile,0);
		2815	font_size = (int) (get_real(infile,1));
		2816	tmp_buffer = my_newmem(26);
		2817	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2818	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2819	break;
7991	schaersvoo	2820	case MOUSEX:
		2821	/*
		2822	@ mousex color,fontsize
		2823	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2824	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2825
		2826	*/
		2827	stroke_color = get_color(infile,0);
		2828	font_size = (int) (get_real(infile,1));
		2829	tmp_buffer = my_newmem(26);
		2830	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2831	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2832	break;
		2833	case MOUSEY:
		2834	/*
		2835	@ mousey color,fontsize
		2836	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2837	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2838
		2839	*/
		2840	stroke_color = get_color(infile,0);
		2841	font_size = (int) (get_real(infile,1));
		2842	tmp_buffer = my_newmem(26);
		2843	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2844	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2845	break;
7614	schaersvoo	2846	case MOUSE:
		2847	/*
		2848	@ mouse color,fontsize
7991	schaersvoo	2849	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2850	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2851
7614	schaersvoo	2852	*/
		2853	stroke_color = get_color(infile,0);
		2854	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2855	tmp_buffer = my_newmem(26);
		2856	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2857	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2858	break;
		2859	case INTOOLTIP:
		2860	/*
		2861	@ intooltip link_text
		2862	@ link_text is a single line (span-element)
		2863	@ link_text may also be an image URL http://some_server/images/my_image.png
		2864	@ link_text may contain HTML markup
		2865	@ the canvas will be displayed in a tooltip on 'link_text'
		2866	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2867	*/
7823	schaersvoo	2868	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2869	use_tooltip = TRUE;
		2870	tooltip_text = get_string(infile,1);
		2871	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2872	break;
		2873	case AUDIO:
		2874	/*
		2875	@ audio x,y,w,h,loop,visible,audiofile location
		2876	@ x,y : left top corner of audio element (in xrange / yrange)
		2877	@ w,y : width and height in pixels
		2878	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2879	@ visible : 0 or 1 (1 = show controls)
		2880	@ audio format may be in .mp3 or .ogg
		2881	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2882	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2883	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2884	@ 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 />
		2885	*/
		2886	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2887	for(i=0;i<7;i++){
		2888	switch(i){
		2889	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2890	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2891	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2892	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2893	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2894	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2895	case 6:
7614	schaersvoo	2896	temp = get_string(infile,1);
		2897	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2898	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2899	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);
		2900	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2901	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);
		2902	add_to_buffer(tmp_buffer);
		2903	break;
		2904	default:break;
		2905	}
		2906	}
		2907	reset();
		2908	break;
		2909	case VIDEO:
		2910	/*
		2911	@ video x,y,w,h,videofile location
		2912	@ x,y : left top corner of audio element (in xrange / yrange)
		2913	@ w,y : width and height in pixels
		2914	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2915	@ video format may be in *.mp4 (todo:other formats)
		2916	*/
		2917	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2918	for(i=0;i<5;i++){
		2919	switch(i){
		2920	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2921	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2922	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2923	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2924	case 4: temp = get_string(infile,1);
		2925	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);
		2926	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2927	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);
		2928	add_to_buffer(tmp_buffer);
		2929	break;
		2930	default:break;
		2931	}
		2932	}
		2933	reset();
		2934	break;
		2935	case HATCHFILL:
		2936	/*
		2937	@ hatchfill x0,y0,dx,dy,color
		2938	@ x0,y0 in xrange / yrange
		2939	@ distances dx,dy in pixels
		2940	*/
		2941	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2942	for(i=0;i<5;i++){
		2943	switch(i){
		2944	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2945	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2946	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2947	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2948	case 4: stroke_color = get_color(infile,1);
		2949	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2950	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);
		2951	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2952	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);
		2953	add_to_buffer(tmp_buffer);
		2954	break;
		2955	default:break;
		2956	}
		2957	}
		2958	reset();
		2959	break;
7647	schaersvoo	2960	case DIAMONDFILL:
		2961	/*
		2962	@ diamondfill x0,y0,dx,dy,color
		2963	@ x0,y0 in xrange / yrange
		2964	@ distances dx,dy in pixels
		2965	*/
		2966	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2967	for(i=0;i<5;i++){
		2968	switch(i){
		2969	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2970	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2971	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2972	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2973	case 4: stroke_color = get_color(infile,1);
		2974	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2975	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);
		2976	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2977	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);
		2978	add_to_buffer(tmp_buffer);
		2979	break;
		2980	default:break;
		2981	}
		2982	}
		2983	reset();
		2984	break;
7614	schaersvoo	2985	case GRIDFILL:
		2986	/*
		2987	@ gridfill x0,y0,dx,dy,color
		2988	@ x0,y0 in xrange / yrange
		2989	@ distances dx,dy in pixels
7883	schaersvoo	2990	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2991	@ userdraw object may snap_to_grid
7614	schaersvoo	2992	*/
		2993	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2994	for(i=0;i<5;i++){
		2995	switch(i){
		2996	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2997	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2998	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2999	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		3000	case 4: stroke_color = get_color(infile,1);
		3001	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);
		3002	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3003	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);
		3004	add_to_buffer(tmp_buffer);
		3005	break;
		3006	default:break;
		3007	}
		3008	}
		3009	reset();
		3010	break;
		3011	case DOTFILL:
		3012	/*
		3013	@ dotfill x0,y0,dx,dy,color
		3014	@ x0,y0 in xrange / yrange
		3015	@ distances dx,dy in pixels
		3016	@ radius of dots is linewidth
		3017	*/
		3018	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		3019	for(i=0;i<5;i++){
		3020	switch(i){
		3021	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3022	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3023	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		3024	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		3025	case 4: stroke_color = get_color(infile,1);
		3026	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		3027	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);
		3028	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3029	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);
		3030	add_to_buffer(tmp_buffer);
		3031	break;
		3032	default:break;
		3033	}
		3034	}
		3035	reset();
		3036	break;
		3037	case IMAGEFILL:
		3038	/*
		3039	@ imagefill dx,dy,image_url
		3040	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		3041	@ After pattern filling ,the fill-color should be reset !
		3042	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		3043	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		3044	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		3045	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		3046	*/
		3047	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		3048	for(i=0 ;i < 3 ; i++){
		3049	switch(i){
		3050	case 0:int_data[0] = (int) (get_real(infile,0));break;
		3051	case 1:int_data[1] = (int) (get_real(infile,0));break;
		3052	case 2: URL = get_string_argument(infile,1);
		3053	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);
		3054	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3055	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);
		3056	add_to_buffer(tmp_buffer);
		3057	break;
		3058	}
		3059	}
8083	schaersvoo	3060	reset();
7614	schaersvoo	3061	break;
		3062	case FILLTOBORDER:
		3063	/*
		3064	@ filltoborder x,y,bordercolor,color
8224	bpr	3065	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	3066	@ any other color will not act as border to the bucket fill
		3067	@ use this command after all boundary objects are declared.
		3068	@ 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..
		3069	*/
		3070	for(i=0 ;i < 4 ; i++){
		3071	switch(i){
		3072	case 0:double_data[0] = get_real(infile,0);break;
		3073	case 1:double_data[1] = get_real(infile,0);break;
		3074	case 2:bgcolor = get_color(infile,0);break;
		3075	case 3:fill_color = get_color(infile,1);
		3076	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		3077	js_function[DRAW_FILLTOBORDER] = 1;
		3078	add_js_filltoborder(js_include_file,canvas_root_id);
		3079	}
		3080	decimals = find_number_of_digits(precision);
7895	schaersvoo	3081	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	3082	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	3083	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	3084	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	3085	add_to_buffer(tmp_buffer);
		3086	break;
		3087	default:break;
8083	schaersvoo	3088	}
		3089	}
		3090	reset();
7614	schaersvoo	3091	break;
		3092	case FLOODFILL:
		3093	/*
		3094	@ floodfill x,y,color
		3095	@ alternative syntax: fill x,y,color
		3096	@ fill the region of point (x:y) with color 'color'
		3097	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		3098	@ use this command after all boundary objects are declared.
		3099	@ Use command 'clickfill,color' for user click driven flood fill.
		3100	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3101	@ 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..
		3102	*/
		3103	for(i=0 ;i < 4 ; i++){
		3104	switch(i){
		3105	case 0:double_data[0] = get_real(infile,0);break;
		3106	case 1:double_data[1] = get_real(infile,0);break;
		3107	case 2:fill_color = get_color(infile,1);
		3108	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3109	js_function[DRAW_FLOODFILL] = 1;
		3110	add_js_floodfill(js_include_file,canvas_root_id);
		3111	}
		3112	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	3113	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		3114	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	3115	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	3116	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	3117	add_to_buffer(tmp_buffer);
		3118	break;
		3119	default:break;
8083	schaersvoo	3120	}
		3121	}
		3122	reset();
7614	schaersvoo	3123	break;
		3124	case CLICKFILLMARGE:
		3125	clickfillmarge = (int) (get_real(infile,1));
		3126	break;
		3127	/*
		3128	@ clickfillmarge int
		3129	@ default 20 (pixels)
		3130	@ 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[])
		3131	*/
		3132	case CLICKFILL:
		3133	/*
		3134	@ clickfill fillcolor
		3135	@ user left mouse click will floodfill the area with fillcolor
		3136	@ multiple areas may be coloured
		3137	@ 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)
		3138	@ the answer will be read as the (x:y) click coordinates per coloured area
		3139	@ background color of main div may be set by using command "bgcolor color"
		3140	@ may not be combined with command "userdraw"
		3141	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3142	*/
		3143	fill_color = get_color(infile,1);
		3144	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3145	js_function[DRAW_FLOODFILL] = 1;
		3146	add_js_floodfill(js_include_file,canvas_root_id);
		3147	}
8130	schaersvoo	3148	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	3149	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	3150	reset();
7614	schaersvoo	3151	break;
		3152	case SETPIXEL:
		3153	/*
		3154	@ setpixel x,y,color
		3155	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		3156	@ pixels can not be dragged or clicked
		3157	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3158	*/
		3159	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3160	for(i=0;i<3;i++){
		3161	switch(i){
		3162	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3163	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3164	case 2: stroke_color = get_color(infile,1);
		3165	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3166	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3167	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3168	add_to_buffer(tmp_buffer);
		3169	break;
		3170	default:break;
		3171	}
		3172	}
		3173	reset();
		3174	break;
		3175	case PIXELSIZE:
		3176	/*
		3177	@ pixelsize int
		3178	@ in case you want to deviate from default pixelsize = 1...
		3179	*/
		3180	pixelsize = (int) get_real(infile,1);
		3181	break;
		3182	case PIXELS:
		3183	/*
		3184	@ pixels color,x1,y1,x2,y2,x3,y3...
		3185	@ Draw "points" with diameter 1 pixel
		3186	@ pixels can not be dragged or clicked
		3187	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3188	*/
		3189	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3190	stroke_color=get_color(infile,0);
		3191	i=0;
		3192	c=0;
		3193	while( ! done ){ /* get next item until EOL*/
		3194	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3195	for( c = 0 ; c < 2; c++){
		3196	if(c == 0 ){
		3197	double_data[i] = get_real(infile,0);
		3198	i++;
		3199	}
		3200	else
		3201	{
		3202	double_data[i] = get_real(infile,1);
		3203	i++;
		3204	}
		3205	}
		3206	}
		3207	decimals = find_number_of_digits(precision);
		3208	/* double_xy2js_array(double xy[],int len,int decimals) /
		3209	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3210	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3211	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3212	add_to_buffer(tmp_buffer);
8083	schaersvoo	3213	reset();
7614	schaersvoo	3214	break;
		3215	case REPLYFORMAT:
		3216	/*
		3217	@ replyformat number
8257	schaersvoo	3218	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3219	@ default values should be fine !
8074	schaersvoo	3220	@ 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	3221	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8322	schaersvoo	3222	@ 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><li>28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n <br />x / y / r in xrange / yrange coordinate system: may be used to reinput into command 'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'<br /> will not return anything else (e.g. no inputfields , text etc)</li></ul>
7614	schaersvoo	3223	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3224	*/
		3225	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3226	reply_precision = precision;
7614	schaersvoo	3227	break;
		3228	case LEGENDCOLORS:
		3229	/*
		3230	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3231	@ 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	3232	@ make sure the number of colours match the number of legend items
8224	bpr	3233	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3234	*/
7956	schaersvoo	3235	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3236	temp = get_string(infile,1);
		3237	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3238	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3239	break;
		3240	case LEGEND:
		3241	/*
		3242	@ legend string1:string2:string3....string_n
		3243	@ will be used to create a legend for a graph
8224	bpr	3244	@ also see command 'piechart'
7956	schaersvoo	3245	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3246	*/
		3247	temp = get_string(infile,1);
		3248	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3249	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3250	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3251	break;
		3252	case XLABEL:
		3253	/*
		3254	@ xlabel some_string
		3255	@ will be used to create a label for the x-axis (label is in quadrant I)
		3256	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3257	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3258	*/
		3259	temp = get_string(infile,1);
7653	schaersvoo	3260	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3261	break;
		3262	case YLABEL:
		3263	/*
		3264	@ ylabel some_string
8224	bpr	3265	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3266	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3267	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3268	*/
		3269	temp = get_string(infile,1);
7653	schaersvoo	3270	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3271	break;
		3272	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3273	/*
7996	schaersvoo	3274	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3275	@ will plot your data in a graph
		3276	@ may only to be used together with command 'grid'
		3277	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3278	@ use command 'legend' to provide an optional legend in right-top-corner
		3279	@ also see command 'piechart'
		3280	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3281	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3282	@ <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	3283	*/
7614	schaersvoo	3284	temp = get_string(infile,1);
		3285	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3286	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	3287	linegraph_cnt++;
		3288	reset();
		3289	break;
7989	schaersvoo	3290	case BARCHART:
		3291	/*
		3292	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3293	@ will be used to create a legend for bar graph
		3294	@ may only to be used together with command 'grid'
		3295	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3296	@ use command 'legend' to provide an optional legend in right-top-corner
		3297	@ also see command 'piechart'
		3298	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3299	*/
		3300	temp = get_string(infile,1);
		3301	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3302	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3303	barchart_cnt++;
		3304	reset();
		3305	break;
7614	schaersvoo	3306	case CLOCK:
		3307	/*
		3308	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3309	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3310	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3311	@ 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	3312	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3313	@ 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>
		3314	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3315	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3316	@ 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	3317	@ 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	3318	*/
		3319	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3320
		3321	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3322	for(i=0;i<9;i++){
		3323	switch(i){
		3324	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3325	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3326	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3327	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3328	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3329	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3330	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	3331	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3332	switch(int_data[7]){
		3333	case 0:break;
		3334	case 1:if(clock_cnt == 0){
		3335	if( reply_format == 0 ){
7614	schaersvoo	3336	reply_format = 18; /* user sets clock */
7783	schaersvoo	3337	/* 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	3338	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3339	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");
		3340	add_to_buffer(tmp_buffer);
7783	schaersvoo	3341	*/
8130	schaersvoo	3342	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	3343	}
		3344	else
		3345	{
		3346	canvas_error("interactive clock may not be used together with other reply_types...");
		3347	}
		3348	}
8130	schaersvoo	3349	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	3350	break;
		3351	case 2:if( reply_format == 0 ){
		3352	reply_format = 19; /* "onclick */
8130	schaersvoo	3353	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	3354	}
		3355	else
		3356	{
		3357	if( reply_format != 19){
7614	schaersvoo	3358	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3359	}
7783	schaersvoo	3360	}
		3361	break;
		3362	default: canvas_error("interactive must be set 0,1 or 2");break;
		3363	}
		3364	break;
8224	bpr	3365	case 8:
8130	schaersvoo	3366	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3367	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3368	}
7614	schaersvoo	3369	temp = get_string(infile,1);
		3370	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3371	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3372	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	3373	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3374	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	3375	add_to_buffer(tmp_buffer);
		3376	clock_cnt++;
		3377	break;
		3378	default:break;
		3379	}
		3380	}
		3381	break;
		3382	case PIECHART:
		3383	/*
		3384	@ piechart xc,yc,radius,'data+colorlist'
		3385	@ (xc : yc) center of circle diagram in xrange/yrange
		3386	@ radius in pixels
		3387	@ 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
		3388	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3389	@ the number of colors must match the number of data.
		3390	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3391	@ 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	3392	*/
8224	bpr	3393	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3394	for(i=0;i<5;i++){
		3395	switch(i){
		3396	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3397	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3398	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3399	case 3: temp = get_string(infile,1);
		3400	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3401	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	3402	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3403	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	3404	add_to_buffer(tmp_buffer);
		3405	break;
		3406	default:break;
		3407	}
		3408	}
		3409	reset();
		3410	break;
		3411	case STATUS:
7877	schaersvoo	3412	/*
		3413	@status
		3414	@keyword
		3415	@alernative keyword: nostatus
		3416	@used to override the effects of "status=done" in wims (answer.phtml)
		3417	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3418	@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'
		3419	*/
8224	bpr	3420
7877	schaersvoo	3421	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3422	break;
7735	schaersvoo	3423	case XLOGBASE:
7729	schaersvoo	3424	/*
7735	schaersvoo	3425	@ xlogbase number
		3426	@ sets the logbase number for the x-axis
7729	schaersvoo	3427	@ default value 10
7735	schaersvoo	3428	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3429	*/
7735	schaersvoo	3430	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3431	break;
7735	schaersvoo	3432	case YLOGBASE:
		3433	/*
		3434	@ ylogbase number
		3435	@ sets the logbase number for the y-axis
		3436	@ default value 10
		3437	@ use together with commands ylogscale / xylogscale
		3438	*/
		3439	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3440	break;
7614	schaersvoo	3441	case XLOGSCALE:
		3442	/*
7735	schaersvoo	3443	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3444	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3445	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3446	@ the linewidth is set using command 'linewidth int'
		3447	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3448	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3449	@ 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	3450	@ note: the complete canvas will be used for the 'log paper'
		3451	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3452	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3453	@ 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	3454	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3455	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3456	*/
7735	schaersvoo	3457	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3458	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3459	for(i=0;i<4;i++){
		3460	switch(i){
		3461	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3462	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3463	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3464	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3465	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	3466	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3467	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	3468	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3469	add_to_buffer(tmp_buffer);
		3470	break;
		3471	default:break;
		3472	}
		3473	}
7614	schaersvoo	3474	break;
		3475	case YLOGSCALE:
7729	schaersvoo	3476	/*
		3477	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3478	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3479	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3480	@ the linewidth is set using command 'linewidth int'
		3481	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3482	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3483	@ 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	3484	@ note: the complete canvas will be used for the 'log paper'
		3485	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3486	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3487	@ 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	3488	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3489	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3490	*/
		3491	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3492	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3493	for(i=0;i<4;i++){
		3494	switch(i){
		3495	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3496	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3497	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3498	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3499	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	3500	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3501	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	3502	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3503	add_to_buffer(tmp_buffer);
		3504	break;
		3505	default:break;
		3506	}
		3507	}
7614	schaersvoo	3508	break;
		3509	case XYLOGSCALE:
7735	schaersvoo	3510	/*
		3511	@ xylogscale majorcolor,minorcolor
		3512	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3513	@ the linewidth is set using command 'linewidth int'
		3514	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3515	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3516	@ 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	3517	@ note: the complete canvas will be used for the 'log paper'
		3518	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3519	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3520	@ 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	3521	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3522	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3523	*/
		3524	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3525	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3526	for(i=0;i<2;i++){
		3527	switch(i){
		3528	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3529	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3530	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	3531	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3532	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	3533	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3534	add_to_buffer(tmp_buffer);
		3535	break;
		3536	default:break;
		3537	}
		3538	}
		3539	break;
7614	schaersvoo	3540	default:sync_input(infile);
		3541	break;
		3542	}
8224	bpr	3543	}
7614	schaersvoo	3544	/* we are done parsing script file */
7983	schaersvoo	3545	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3546	if( found_size_command == 1 ){
		3547	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3548	}
		3549	else
		3550	{
		3551	if( found_size_command != 3 ){
8222	schaersvoo	3552	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3553	}
		3554	}
8257	schaersvoo	3555
8222	schaersvoo	3556	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3557	add_javascript_functions(js_function,canvas_root_id);
		3558	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3559	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3560	if( use_pan_and_zoom == TRUE ){
		3561	/* in case of zooming ... */
7729	schaersvoo	3562	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3563	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3564	var ymin_start=ymin;var ymax_start=xmax;\
		3565	var zoom_x_increment=0;var zoom_y_increment=0;\
		3566	var pan_x_increment=0;var pan_y_increment=0;\
		3567	if(use_ylogscale == 0 ){\
7956	schaersvoo	3568	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	3569	}else{\
		3570	zoom_x_increment = (xmax - xmin)/20;\
		3571	pan_x_increment = (xmax - xmin)/20;\
		3572	};\
7653	schaersvoo	3573	function start_canvas%d(type){\
		3574	switch(type){\
7729	schaersvoo	3575	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3576	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	3577	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3578	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3579	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3580	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3581	case 6:location.reload();break;\
		3582	default:break;\
		3583	};\
		3584	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3585	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3586	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3587	%s\
		3588	};\
7797	schaersvoo	3589	start_canvas%d(333);\
7614	schaersvoo	3590	};\n\
		3591	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3592	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3593	}
		3594	else
		3595	{
		3596	/* no zoom, just add buffer */
		3597	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3598	%s\
		3599	};\n\
		3600	<!-- end wims_canvas_function -->\n\
		3601	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3602	}
7614	schaersvoo	3603	/* done writing the javascript include file */
		3604	fclose(js_include_file);
		3605
		3606	}
		3607
		3608	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3609	if(use_tooltip == TRUE){
		3610	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3611	}
		3612	exit(EXIT_SUCCESS);
		3613	}
		3614	/* end main() */
		3615
		3616	/******************************************************************************
		3617	**
		3618	** sync_input
		3619	**
		3620	** synchronises input line - reads to end of line, leaving file pointer
		3621	** at first character of next line.
		3622	**
		3623	** Used by:
		3624	** main program - error handling.
		3625	**
		3626	******************************************************************************/
		3627	void sync_input(FILE *infile)
		3628	{
		3629	int c = 0;
		3630
7658	schaersvoo	3631	if( c == '\n' \|\| c == ';' ) return;
		3632	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3633	if( c == EOF ) finished = 1;
7658	schaersvoo	3634	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3635	return;
		3636	}
		3637
		3638	/******************************************************************************/
		3639
		3640	char str_replace(const char str, const char old, const char new){
		3641	/* http://creativeandcritical.net/str-replace-c/ */
		3642	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3643	char ret, r;
		3644	const char p, q;
		3645	size_t oldlen = strlen(old);
		3646	size_t count = 0;
		3647	size_t retlen = 0;
		3648	size_t newlen = strlen(new);
		3649	if (oldlen != newlen){
		3650	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3651	count++;
		3652	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3653	}
8224	bpr	3654	}
7614	schaersvoo	3655	else
		3656	{
		3657	retlen = strlen(str);
		3658	}
8224	bpr	3659
7614	schaersvoo	3660	if ((ret = malloc(retlen + 1)) == NULL){
		3661	ret = NULL;
		3662	canvas_error("string argument is NULL");
		3663	}
		3664	else
		3665	{
		3666	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3667	size_t l = q - p;
		3668	memcpy(r, p, l);
		3669	r += l;
		3670	memcpy(r, new, newlen);
		3671	r += newlen;
		3672	}
		3673	strcpy(r, p);
		3674	}
		3675	return ret;
		3676	}
		3677
		3678	/******************************************************************************/
7848	bpr	3679
7614	schaersvoo	3680	char get_color(FILE infile , int last){
		3681	int c,i = 0,is_hex = 0;
		3682	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	3683	const char *not_allowed = "0123456789";
7748	schaersvoo	3684	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3685	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3686	if( c == '#' ){
		3687	is_hex = 1;
		3688	}
		3689	if( c != ' '){
8304	schaersvoo	3690	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	3691	temp[i]=tolower(c);
		3692	i++;
		3693	}
		3694	}
8224	bpr	3695	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3696	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3697	if( c == EOF ){finished = 1;}
		3698	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3699	temp[i]='\0';
		3700	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3701	if( is_hex == 1 ){
		3702	char red[3], green[3], blue[3];
		3703	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3704	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3705	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3706	int r = (int) strtol(red, NULL, 16);
		3707	int g = (int) strtol(green, NULL, 16);
		3708	int b = (int) strtol(blue, NULL, 16);
		3709	string = (char *)my_newmem(12);
		3710	snprintf(string,11,"%d,%d,%d",r,g,b);
		3711	return string;
		3712	}
		3713	else
		3714	{
		3715	string = (char *)my_newmem(sizeof(temp));
		3716	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	3717	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	3718	if( strcmp( colors[i].name , string ) == 0 ){
		3719	return colors[i].rgb;
		3720	}
		3721	}
8304	schaersvoo	3722	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	3723	}
8304	schaersvoo	3724	return "0,0,255";
7614	schaersvoo	3725	}
		3726
		3727	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3728	int c,i=0;
		3729	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3730	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3731	temp[i]=c;
		3732	i++;
		3733	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3734	}
8224	bpr	3735	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3736	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3737	if( c == EOF ) {
		3738	finished = 1;
		3739	if( last != 1 ){ canvas_error("expected more arguments");}
		3740	}
		3741	temp[i]='\0';
		3742	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3743	string=(char *)my_newmem(strlen(temp));
		3744	snprintf(string,sizeof(temp),"%s",temp);
		3745	return string;
		3746	}
		3747
		3748	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3749	int c,i=0;
		3750	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3751	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3752	temp[i]=c;
		3753	i++;
		3754	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3755	}
8224	bpr	3756	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3757	if( c == '\n') { line_number++; }
7614	schaersvoo	3758	if( c == EOF ) {finished = 1;}
		3759	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3760	temp[i]='\0';
8322	schaersvoo	3761	/*
		3762	17.10.2014 removed (question Perrin)
		3763	may cause some unwanted effects...
7614	schaersvoo	3764	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
8322	schaersvoo	3765	*/
7614	schaersvoo	3766	string=(char *)my_newmem(sizeof(temp));
		3767	snprintf(string,sizeof(temp),"%s",temp);
		3768	done = TRUE;
		3769	return string;
		3770	}
		3771
		3772	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3773	int c,i=0,found_calc = 0;
		3774	double y;
		3775	char tmp[MAX_INT];
8348	schaersvoo	3776	/*
		3777	these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
		3778	but thereshould be a better way to avoid segfaults !
		3779	*/
		3780	const char allowed = "earcostanpilogqb+-/^()";/* assuming these are allowed stuff in a 'number'*/
		3781	const char not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/ avoid segmentation faults in a "atof()" and "wims eval" */
7658	schaersvoo	3782	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3783	if( c != ' ' ){
8224	bpr	3784	if( i == 0 && c == '+' ){
7614	schaersvoo	3785	continue;
8224	bpr	3786	}
7614	schaersvoo	3787	else
		3788	{
8304	schaersvoo	3789	c = tolower(c);
		3790	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		3791	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	3792	tmp[i] = c;
		3793	i++;
		3794	}
		3795	}
		3796	if( i > MAX_INT - 1){canvas_error("number too large");}
		3797	}
8224	bpr	3798	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3799	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3800	if( c == EOF ){done = TRUE ; finished = 1;}
		3801	tmp[i]='\0';
		3802	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	3803	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	3804	void *f = eval_create(tmp);
7614	schaersvoo	3805	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3806	y = eval_x(f, 1);
7614	schaersvoo	3807	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3808	eval_destroy(f);
7614	schaersvoo	3809	}
		3810	else
		3811	{
		3812	y = atof(tmp);
		3813	}
		3814	return y;
		3815	}
8304	schaersvoo	3816
		3817
7614	schaersvoo	3818	void canvas_error(char *msg){
7748	schaersvoo	3819	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3820	finished = 1;
		3821	exit(EXIT_SUCCESS);
		3822	}
		3823
		3824
		3825	/* convert x/y coordinates to pixel */
		3826	int x2px(double x){
		3827	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3828	}
		3829
		3830	int y2px(double y){
		3831	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3832	}
		3833
		3834	double px2x(int x){
		3835	return (x*(xmax - xmin)/xsize + xmin);
		3836	}
		3837	double px2y(int y){
		3838	return (y*(ymax - ymin)/ysize + ymin);
		3839	}
		3840
		3841	void add_to_buffer(char *tmp){
		3842	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3843	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3844	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3845	if( space_left > strlen(tmp)){
		3846	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3847	}
		3848	else
		3849	{
		3850	canvas_error("buffer is too big\n");
		3851	}
		3852	tmp = NULL;free(tmp);
		3853	return;
		3854	}
		3855
		3856	void reset(){
		3857	if(use_filled == TRUE){use_filled = FALSE;}
		3858	if(use_dashed == TRUE){use_dashed = FALSE;}
		3859	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3860	onclick = 0;
7614	schaersvoo	3861	}
		3862
		3863
		3864
		3865	/* What reply format in read_canvas();
		3866
		3867	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3868	1 = x1,x2,x3,x4....x_n
		3869	y1,y2,y3,y4....y_n
		3870
		3871	x/y in pixels
		3872
		3873	2 = x1,x2,x3,x4....x_n
		3874	y1,y2,y3,y4....y_n
		3875	x/y in xrange / yrange coordinate system
		3876
		3877	3 = x1,x2,x3,x4....x_n
		3878	y1,y2,y3,y4....y_n
		3879	r1,r2,r3,r4....r_n
		3880
8224	bpr	3881	x/y in pixels
7614	schaersvoo	3882	r in pixels
		3883
		3884	4 = x1,x2,x3,x4....x_n
		3885	y1,y2,y3,y4....y_n
		3886	r1,r2,r3,r4....r_n
		3887
		3888	x/y in xrange / yrange coordinate system
		3889	r in pixels
		3890
		3891	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3892	Ay1,Ay2,Ay3,Ay4....Ay_n
		3893	Bx1,Bx2,Bx3,Bx4....Bx_n
		3894	By1,By2,By3,By4....By_n
		3895	Cx1,Cx2,Cx3,Cx4....Cx_n
		3896	Cy1,Cy2,Cy3,Cy4....Cy_n
		3897	....
		3898	Zx1,Zx2,Zx3,Zx4....Zx_n
		3899	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3900
7614	schaersvoo	3901	x/y in pixels
		3902
		3903	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3904	Ay1,Ay2,Ay3,Ay4....Ay_n
		3905	Bx1,Bx2,Bx3,Bx4....Bx_n
		3906	By1,By2,By3,By4....By_n
		3907	Cx1,Cx2,Cx3,Cx4....Cx_n
		3908	Cy1,Cy2,Cy3,Cy4....Cy_n
		3909	....
		3910	Zx1,Zx2,Zx3,Zx4....Zx_n
		3911	Zy1,Zy2,Zy3,Zy4....Zy_n
		3912
		3913	x/y in xrange / yrange coordinate system
8224	bpr	3914
7614	schaersvoo	3915	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3916
7614	schaersvoo	3917	x/y in pixels
		3918
		3919	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3920
7614	schaersvoo	3921	x/y in xrange / yrange coordinate system
		3922
8224	bpr	3923	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3924
		3925	x/y in pixels
		3926
8224	bpr	3927	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3928
		3929	x/y in xrange / yrange coordinate system
		3930
		3931	11 = Ax1,Ay1,Ax2,Ay2
		3932	Bx1,By1,Bx2,By2
		3933	Cx1,Cy1,Cx2,Cy2
		3934	Dx1,Dy1,Dx2,Dy2
		3935	......
		3936	Zx1,Zy1,Zx2,Zy2
8224	bpr	3937
7614	schaersvoo	3938	x/y in xrange / yrange coordinate system
		3939
		3940	12 = Ax1,Ay1,Ax2,Ay2
		3941	Bx1,By1,Bx2,By2
		3942	Cx1,Cy1,Cx2,Cy2
		3943	Dx1,Dy1,Dx2,Dy2
		3944	......
		3945	Zx1,Zy1,Zx2,Zy2
8224	bpr	3946
7614	schaersvoo	3947	x/y in pixels
		3948
		3949	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3950
		3951	x/y in xrange / yrange coordinate system
		3952	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3953	x/y in pixels
		3954	15 = reply from inputfields,textareas
		3955	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3956	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3957
		3958	16 = read mathml inputfields only
		3959
		3960	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3961	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3962
		3963	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3964	19 = return clicked object number (analogue to shape-library onclick)
		3965	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3966	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3967	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3968	x/y in xrange / yrange coordinate system
8224	bpr	3969	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3970	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3971	25 = return all userdrawn arcs in degrees:
		3972	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3973	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
8322	schaersvoo	3974	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
		3975	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
		3976	'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'
		3977	will not return anything else (e.g. no inputfields , text etc)
7614	schaersvoo	3978	*/
		3979
		3980
8257	schaersvoo	3981	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3982	/* just 1 reply type allowed */
8074	schaersvoo	3983	fprintf(js_include_file,"\
		3984	\n<!-- begin set_reply_precision() -->\n\
		3985	function set_reply_precision(){\
		3986	var len = userdraw_x.length;\
		3987	var prec = %d;\
		3988	for(var p = 0 ; p < len ; p++ ){\
		3989	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3990	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3991	};\
		3992	len = userdraw_radius.length;\
		3993	if( len > 0 ){\
		3994	for(var p = 0 ; p < len ; p++ ){\
		3995	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3996	};\
		3997	};\
		3998	};",reply_precision);
7963	schaersvoo	3999
7614	schaersvoo	4000	switch(type_reply){
8224	bpr	4001	/*
7614	schaersvoo	4002	answers may have:
		4003	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		4004	*/
		4005	case 1: fprintf(js_include_file,"\
8257	schaersvoo	4006	\n<!-- begin function 1 read_canvas%d() -->\n\
		4007	read_canvas%d = function(){\
7614	schaersvoo	4008	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4009	set_reply_precision();\
7614	schaersvoo	4010	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4011	var p = 0;var input_reply = new Array();\
		4012	if( document.getElementById(\"canvas_input0\")){\
		4013	var t = 0;\
		4014	while(document.getElementById(\"canvas_input\"+t)){\
		4015	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4016	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4017	p++;\
		4018	};\
		4019	t++;\
		4020	};\
		4021	};\
		4022	if( typeof userdraw_text != 'undefined' ){\
		4023	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		4024	}\
		4025	else\
		4026	{\
		4027	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		4028	}\
		4029	}\
		4030	else\
		4031	{\
		4032	if( typeof userdraw_text != 'undefined' ){\
		4033	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		4034	}\
		4035	else\
		4036	{\
		4037	return userdraw_x+\"\\n\"+userdraw_y;\
		4038	}\
		4039	};\
8108	schaersvoo	4040	};\n\
8257	schaersvoo	4041	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4042	break;
		4043	case 2: fprintf(js_include_file,"\
8257	schaersvoo	4044	\n<!-- begin function 2 read_canvas%d() -->\n\
		4045	read_canvas%d = function(){\
7614	schaersvoo	4046	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4047	set_reply_precision();\
7614	schaersvoo	4048	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	4049	var prec = %d;\
7614	schaersvoo	4050	while(userdraw_x[p]){\
8074	schaersvoo	4051	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4052	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4053	p++;\
		4054	};\
		4055	if(p == 0){alert(\"nothing drawn...\");return;};\
		4056	if( document.getElementById(\"canvas_input0\")){\
		4057	var p = 0;var input_reply = new Array();\
		4058	if( document.getElementById(\"canvas_input0\")){\
		4059	var t = 0;\
		4060	while(document.getElementById(\"canvas_input\"+t)){\
		4061	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4062	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4063	p++;\
		4064	};\
		4065	t++;\
		4066	};\
		4067	};\
		4068	if( typeof userdraw_text != 'undefined' ){\
		4069	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4070	}\
		4071	else\
		4072	{\
		4073	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4074	}\
		4075	}\
		4076	else\
		4077	{\
		4078	if( typeof userdraw_text != 'undefined' ){\
		4079	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4080	}\
		4081	else\
		4082	{\
		4083	return reply_x+\"\\n\"+reply_y;\
		4084	};\
		4085	};\
8108	schaersvoo	4086	};\n\
8257	schaersvoo	4087	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4088	break;
		4089	case 3: fprintf(js_include_file,"\
8257	schaersvoo	4090	\n<!-- begin function 3 read_canvas%d() -->\n\
		4091	read_canvas%d = function(){\
7614	schaersvoo	4092	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4093	set_reply_precision();\
7614	schaersvoo	4094	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4095	var p = 0;var input_reply = new Array();\
		4096	if( document.getElementById(\"canvas_input0\")){\
		4097	var t = 0;\
		4098	while(document.getElementById(\"canvas_input\"+t)){\
		4099	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4100	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4101	p++;\
		4102	};\
		4103	t++;\
		4104	};\
		4105	};\
		4106	if( typeof userdraw_text != 'undefined' ){\
		4107	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4108	}\
		4109	else\
		4110	{\
		4111	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4112	}\
		4113	}\
		4114	else\
		4115	{\
		4116	if( typeof userdraw_text != 'undefined' ){\
		4117	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		4118	}\
		4119	else\
		4120	{\
		4121	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		4122	}\
		4123	}\
8108	schaersvoo	4124	};\n\
8257	schaersvoo	4125	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4126	break;
		4127	case 4: fprintf(js_include_file,"\
8257	schaersvoo	4128	\n<!-- begin function 4 read_canvas%d() -->\n\
		4129	read_canvas%d = function(){\
8074	schaersvoo	4130	var prec = %d;\
7614	schaersvoo	4131	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		4132	while(userdraw_x[p]){\
8074	schaersvoo	4133	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4134	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	4135	p++;\
		4136	};\
		4137	if(p == 0){alert(\"nothing drawn...\");return;};\
		4138	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4139	var p = 0;var input_reply = new Array();\
		4140	if( document.getElementById(\"canvas_input0\")){\
		4141	var t = 0;\
		4142	while(document.getElementById(\"canvas_input\"+t)){\
		4143	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4144	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4145	p++;\
		4146	};\
		4147	t++;\
		4148	};\
		4149	};\
		4150	if( typeof userdraw_text != 'undefined' ){\
		4151	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4152	}\
		4153	else\
		4154	{\
		4155	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4156	}\
		4157	}\
		4158	else\
		4159	{\
		4160	if( typeof userdraw_text != 'undefined' ){\
		4161	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		4162	}\
		4163	else\
		4164	{\
		4165	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		4166	}\
		4167	};\
8108	schaersvoo	4168	};\n\
8257	schaersvoo	4169	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4170	break;
8224	bpr	4171	/*
		4172	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4173	used for userdraw multiple paths
7614	schaersvoo	4174	*/
		4175	case 5: fprintf(js_include_file,"\
8257	schaersvoo	4176	\n<!-- begin function 5 read_canvas%d() -->\n\
		4177	read_canvas%d = function(){\
8074	schaersvoo	4178	set_reply_precision();\
7614	schaersvoo	4179	var p = 0;\
		4180	var reply = \"\";\
		4181	for(p = 0; p < userdraw_x.length;p++){\
		4182	if(userdraw_x[p] != null ){\
		4183	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		4184	};\
		4185	};\
		4186	if(p == 0){alert(\"nothing drawn...\");return;};\
		4187	userdraw_x = [];userdraw_y = [];\
		4188	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4189	var p = 0;var input_reply = new Array();\
		4190	if( document.getElementById(\"canvas_input0\")){\
		4191	var t = 0;\
		4192	while(document.getElementById(\"canvas_input\"+t)){\
		4193	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4194	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4195	p++;\
		4196	};\
		4197	t++;\
		4198	};\
		4199	};\
		4200	if( typeof userdraw_text != 'undefined' ){\
		4201	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4202	}\
		4203	else\
		4204	{\
		4205	return reply +\"\\n\"+input_reply;\
		4206	}\
		4207	}\
		4208	else\
		4209	{\
		4210	if( typeof userdraw_text != 'undefined' ){\
		4211	return reply+\"\\n\"+userdraw_text;\
		4212	}\
		4213	else\
		4214	{\
		4215	return reply;\
		4216	}\
		4217	};\
8108	schaersvoo	4218	};\n\
8257	schaersvoo	4219	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4220	break;
8224	bpr	4221	/*
		4222	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4223	used for userdraw multiple paths
7614	schaersvoo	4224	*/
		4225	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4226	\n<!-- begin function 6 read_canvas%d() -->\n\
		4227	read_canvas%d = function(){\
7614	schaersvoo	4228	var p = 0;\
		4229	var reply = \"\";\
		4230	var tmp_x = new Array();\
		4231	var tmp_y = new Array();\
8074	schaersvoo	4232	var prec = %d;\
7614	schaersvoo	4233	for(p = 0 ; p < userdraw_x.length; p++){\
		4234	tmp_x = userdraw_x[p];\
		4235	tmp_y = userdraw_y[p];\
		4236	if(tmp_x != null){\
		4237	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4238	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4239	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4240	};\
		4241	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4242	};\
		4243	};\
		4244	if(p == 0){alert(\"nothing drawn...\");return;};\
		4245	userdraw_x = [];userdraw_y = [];\
		4246	if( document.getElementById(\"canvas_input0\") ){\
		4247	var p = 0;var input_reply = new Array();\
		4248	if( document.getElementById(\"canvas_input0\")){\
		4249	var t = 0;\
		4250	while(document.getElementById(\"canvas_input\"+t)){\
		4251	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4252	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4253	p++;\
		4254	};\
		4255	t++;\
		4256	};\
		4257	};\
		4258	if( typeof userdraw_text != 'undefined' ){\
		4259	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4260	}\
		4261	else\
		4262	{\
		4263	return reply +\"\\n\"+input_reply;\
		4264	}\
		4265	}\
		4266	else\
		4267	{\
		4268	if( typeof userdraw_text != 'undefined' ){\
		4269	return reply +\"\\n\"+userdraw_text;\
		4270	}\
		4271	else\
		4272	{\
		4273	return reply;\
		4274	}\
		4275	};\
8108	schaersvoo	4276	};\n\
8257	schaersvoo	4277	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4278	break;
		4279	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4280	\n<!-- begin function 7 read_canvas%d() -->\n\
		4281	read_canvas%d = function(){\
8074	schaersvoo	4282	set_reply_precision();\
7614	schaersvoo	4283	var reply = new Array();\
		4284	var p = 0;\
		4285	while(userdraw_x[p]){\
		4286	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4287	p++;\
		4288	};\
		4289	if(p == 0){alert(\"nothing drawn...\");return;};\
		4290	if( document.getElementById(\"canvas_input0\") ){\
		4291	var p = 0;var input_reply = new Array();\
		4292	if( document.getElementById(\"canvas_input0\")){\
		4293	var t = 0;\
		4294	while(document.getElementById(\"canvas_input\"+t)){\
		4295	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4296	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4297	p++;\
		4298	};\
		4299	t++;\
		4300	};\
		4301	};\
		4302	if( typeof userdraw_text != 'undefined' ){\
		4303	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4304	}\
		4305	else\
		4306	{\
		4307	return reply+\"\\n\"+input_reply;\
		4308	}\
7862	schaersvoo	4309	}\
7614	schaersvoo	4310	else\
		4311	{\
		4312	if( typeof userdraw_text != 'undefined' ){\
		4313	return reply+\"\\n\"+userdraw_text;\
		4314	}\
		4315	else\
		4316	{\
		4317	return reply;\
		4318	}\
		4319	};\
8108	schaersvoo	4320	};\n\
8257	schaersvoo	4321	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4322	break;
		4323	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4324	\n<!-- begin function 8 read_canvas%d() -->\n\
		4325	read_canvas%d = function(){\
7614	schaersvoo	4326	var reply = new Array();\
		4327	var p = 0;\
8074	schaersvoo	4328	var prec = %d;\
7614	schaersvoo	4329	while(userdraw_x[p]){\
8074	schaersvoo	4330	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4331	p++;\
		4332	};\
		4333	if(p == 0){alert(\"nothing drawn...\");return;};\
		4334	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4335	var p = 0;var input_reply = new Array();\
		4336	if( document.getElementById(\"canvas_input0\")){\
		4337	var t = 0;\
		4338	while(document.getElementById(\"canvas_input\"+t)){\
		4339	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4340	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4341	p++;\
		4342	};\
		4343	t++;\
		4344	};\
		4345	};\
		4346	if( typeof userdraw_text != 'undefined' ){\
		4347	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4348	}\
		4349	else\
		4350	{\
		4351	return reply +\"\\n\"+input_reply;\
		4352	}\
		4353	}\
		4354	else\
		4355	{\
		4356	if( typeof userdraw_text != 'undefined' ){\
		4357	return reply +\"\\n\"+userdraw_text;\
		4358	}\
		4359	else\
		4360	{\
		4361	return reply;\
		4362	}\
		4363	};\
8108	schaersvoo	4364	};\n\
8257	schaersvoo	4365	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4366	break;
		4367	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4368	\n<!-- begin function 9 read_canvas%d() -->\n\
		4369	read_canvas%d = function(){\
8074	schaersvoo	4370	set_reply_precision();\
7614	schaersvoo	4371	var reply = new Array();\
		4372	var p = 0;\
		4373	while(userdraw_x[p]){\
		4374	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4375	p++;\
		4376	};\
		4377	if(p == 0){alert(\"nothing drawn...\");return;};\
		4378	if( document.getElementById(\"canvas_input0\") ){\
		4379	var p = 0;var input_reply = new Array();\
		4380	if( document.getElementById(\"canvas_input0\")){\
		4381	var t = 0;\
		4382	while(document.getElementById(\"canvas_input\"+t)){\
		4383	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4384	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4385	p++;\
		4386	};\
		4387	t++;\
		4388	};\
		4389	};\
		4390	if( typeof userdraw_text != 'undefined' ){\
		4391	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4392	}\
		4393	else\
		4394	{\
		4395	return reply +\"\\n\"+input_reply;\
		4396	}\
		4397	}\
		4398	else\
		4399	{\
		4400	if( typeof userdraw_text != 'undefined' ){\
		4401	return reply +\"\\n\"+userdraw_text;\
		4402	}\
		4403	else\
		4404	{\
		4405	return reply;\
		4406	}\
		4407	};\
8108	schaersvoo	4408	};\n\
8257	schaersvoo	4409	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4410	break;
		4411	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4412	\n<!-- begin function 10 read_canvas%d() -->\n\
		4413	read_canvas%d = function(){\
7614	schaersvoo	4414	var reply = new Array();\
		4415	var p = 0;\
8074	schaersvoo	4416	var prec = %d;\
7614	schaersvoo	4417	while(userdraw_x[p]){\
8074	schaersvoo	4418	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	4419	p++;\
		4420	};\
		4421	if(p == 0){alert(\"nothing drawn...\");return;};\
		4422	if( document.getElementById(\"canvas_input0\") ){\
		4423	var p = 0;var input_reply = new Array();\
		4424	if( document.getElementById(\"canvas_input0\")){\
		4425	var t = 0;\
		4426	while(document.getElementById(\"canvas_input\"+t)){\
		4427	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4428	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4429	p++;\
		4430	};\
		4431	t++;\
		4432	};\
		4433	};\
		4434	if( typeof userdraw_text != 'undefined' ){\
		4435	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4436	}\
		4437	else\
		4438	{\
		4439	return reply +\"\\n\"+input_reply;\
		4440	}\
		4441	}\
		4442	else\
		4443	{\
		4444	if( typeof userdraw_text != 'undefined' ){\
		4445	return reply +\"\\n\"+userdraw_text;\
		4446	}\
		4447	else\
		4448	{\
		4449	return reply;\
		4450	}\
		4451	};\
8108	schaersvoo	4452	};\n\
8257	schaersvoo	4453	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4454	break;
		4455	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4456	\n<!-- begin function 11 read_canvas%d() -->\n\
		4457	read_canvas%d = function(){\
7614	schaersvoo	4458	var reply = \"\";\
		4459	var p = 0;\
8074	schaersvoo	4460	var prec = %d;\
7614	schaersvoo	4461	while(userdraw_x[p]){\
8074	schaersvoo	4462	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	4463	p = p+2;\
		4464	};\
		4465	if(p == 0){alert(\"nothing drawn...\");return;};\
		4466	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4467	var p = 0;var input_reply = new Array();\
		4468	if( document.getElementById(\"canvas_input0\")){\
		4469	var t = 0;\
		4470	while(document.getElementById(\"canvas_input\"+t)){\
		4471	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4472	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4473	p++;\
		4474	};\
		4475	t++;\
		4476	};\
		4477	};\
		4478	if( typeof userdraw_text != 'undefined' ){\
		4479	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4480	}\
		4481	else\
		4482	{\
		4483	return reply +\"\\n\"+input_reply;\
		4484	}\
		4485	}\
		4486	else\
		4487	{\
		4488	if( typeof userdraw_text != 'undefined' ){\
		4489	return reply +\"\\n\"+userdraw_text;\
		4490	}\
		4491	else\
		4492	{\
		4493	return reply;\
		4494	}\
		4495	};\
8108	schaersvoo	4496	};\n\
8257	schaersvoo	4497	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4498	break;
		4499	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4500	\n<!-- begin function 12 read_canvas%d() -->\n\
		4501	read_canvas%d = function(){\
8074	schaersvoo	4502	set_reply_precision();\
7614	schaersvoo	4503	var reply = \"\";\
		4504	var p = 0;\
		4505	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4506	if(userdraw_x[p] != null){\
		4507	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4508	};\
		4509	};\
		4510	if(p == 0){alert(\"nothing drawn...\");return;};\
		4511	if( document.getElementById(\"canvas_input0\") ){\
		4512	var p = 0;var input_reply = new Array();\
		4513	if( document.getElementById(\"canvas_input0\")){\
		4514	var t = 0;\
		4515	while(document.getElementById(\"canvas_input\"+t)){\
		4516	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4517	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4518	p++;\
		4519	};\
		4520	t++;\
		4521	};\
		4522	};\
		4523	if( typeof userdraw_text != 'undefined' ){\
		4524	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4525	}\
		4526	else\
		4527	{\
		4528	return reply +\"\\n\"+input_reply;\
		4529	}\
		4530	}\
		4531	else\
		4532	{\
		4533	if( typeof userdraw_text != 'undefined' ){\
		4534	return reply +\"\\n\"+userdraw_text\
		4535	}\
		4536	else\
		4537	{\
		4538	return reply;\
		4539	}\
		4540	};\
8108	schaersvoo	4541	};\n\
8257	schaersvoo	4542	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4543	break;
		4544	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4545	\n<!-- begin function 13 read_canvas%d() -->\n\
		4546	read_canvas%d = function(){\
7614	schaersvoo	4547	var reply = new Array();\
		4548	var p = 0;var i = 0;\
8074	schaersvoo	4549	var prec = %d;\
7614	schaersvoo	4550	while(userdraw_x[p]){\
8074	schaersvoo	4551	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	4552	p = p+2;i++;\
		4553	};\
		4554	if(p == 0){alert(\"nothing drawn...\");return;};\
		4555	if( document.getElementById(\"canvas_input0\") ){\
		4556	var p = 0;var input_reply = new Array();\
		4557	if( document.getElementById(\"canvas_input0\")){\
		4558	var t = 0;\
		4559	while(document.getElementById(\"canvas_input\"+t)){\
		4560	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4561	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4562	p++;\
		4563	};\
		4564	t++;\
		4565	};\
		4566	};\
		4567	if( typeof userdraw_text != 'undefined' ){\
		4568	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4569	}\
		4570	else\
		4571	{\
		4572	return reply +\"\\n\"+input_reply;\
		4573	}\
		4574	}\
		4575	else\
		4576	{\
		4577	if( typeof userdraw_text != 'undefined' ){\
		4578	return reply +\"\\n\"+userdraw_text\
		4579	}\
		4580	else\
		4581	{\
		4582	return reply;\
		4583	}\
		4584	};\
8108	schaersvoo	4585	};\n\
8257	schaersvoo	4586	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4587	break;
		4588	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4589	\n<!-- begin function 14 read_canvas%d() -->\n\
		4590	read_canvas%d = function(){\
8074	schaersvoo	4591	set_reply_precision();\
7614	schaersvoo	4592	var reply = new Array();\
		4593	var p = 0;var i = 0;\
		4594	while(userdraw_x[p]){\
		4595	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4596	p = p+2;i++;\
		4597	};\
		4598	if(p == 0){alert(\"nothing drawn...\");return;};\
		4599	if( document.getElementById(\"canvas_input0\") ){\
		4600	var p = 0;var input_reply = new Array();\
		4601	if( document.getElementById(\"canvas_input0\")){\
		4602	var t = 0;\
		4603	while(document.getElementById(\"canvas_input\"+t)){\
		4604	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4605	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4606	p++;\
		4607	};\
		4608	t++;\
		4609	};\
		4610	};\
		4611	if( typeof userdraw_text != 'undefined' ){\
		4612	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4613	}\
		4614	else\
		4615	{\
		4616	return reply +\"\\n\"+input_reply;\
		4617	}\
		4618	}\
		4619	else\
		4620	{\
		4621	if( typeof userdraw_text != 'undefined' ){\
		4622	return reply +\"\\n\"+userdraw_text;\
		4623	}\
		4624	else\
		4625	{\
		4626	return reply;\
		4627	}\
		4628	};\
8108	schaersvoo	4629	};\n\
8257	schaersvoo	4630	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4631	break;
		4632	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4633	\n<!-- begin function 15 read_canvas%d() -->\n\
		4634	read_canvas%d = function(){\
7614	schaersvoo	4635	var input_reply = new Array();\
		4636	var p = 0;\
		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 input_reply +\"\\n\"+userdraw_text;\
		4649	}\
		4650	else\
		4651	{\
		4652	return input_reply;\
		4653	};\
8108	schaersvoo	4654	};\n\
8257	schaersvoo	4655	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4656	break;
		4657	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4658	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4659	function read_mathml(){\
		4660	var reply = new Array();\
		4661	var p = 0;\
		4662	if( document.getElementById(\"mathml0\")){\
		4663	while(document.getElementById(\"mathml\"+p)){\
		4664	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4665	p++;\
		4666	};\
		4667	};\
		4668	return reply;\
		4669	};\
		4670	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4671	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4672	break;
		4673	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4674	\n<!-- begin function 17 read_canvas%d() -->\n\
		4675	read_canvas%d = function(){\
7614	schaersvoo	4676	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4677	return userdraw_text;\
8108	schaersvoo	4678	};\n\
8257	schaersvoo	4679	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4680	break;
		4681	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4682	\n<!-- begin function 18 read_canvas%d() -->\n\
		4683	read_canvas%d = function(){\
7614	schaersvoo	4684	var p = 0;\
		4685	var reply = new Array();\
		4686	var name;\
		4687	var t = true;\
8000	schaersvoo	4688	var h;var m;var s;\
7614	schaersvoo	4689	while(t){\
8000	schaersvoo	4690	try{\
		4691	name = eval('clocks'+p);\
		4692	h = name.H;m = name.M;s = name.S;\
		4693	if(s < 0){s = 60 + s;m = m - 1;};\
		4694	if(m < 0){m = 60 + m;h = h - 1;};\
		4695	if(h < 0){h = 12 + h;};\
		4696	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4697	reply[p] = h+\":\"+m+\":\"+s;\
		4698	p++;\
		4699	}catch(e){t=false;};\
7614	schaersvoo	4700	};\
8000	schaersvoo	4701	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4702	return reply;\
8108	schaersvoo	4703	};\n\
8257	schaersvoo	4704	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4705	break;
		4706	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4707	\n<!-- begin function 19 read_canvas%d() -->\n\
		4708	read_canvas%d = function(){\
7614	schaersvoo	4709	return reply[0];\
8108	schaersvoo	4710	};\n\
8257	schaersvoo	4711	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4712	break;
7614	schaersvoo	4713	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4714	\n<!-- begin function 20 read_canvas%d() -->\n\
		4715	read_canvas%d = function(){\
8074	schaersvoo	4716	var prec = %d;\
7614	schaersvoo	4717	var len = ext_drag_images.length;\
		4718	var reply = new Array(len);\
		4719	for(var p = 0 ; p < len ; p++){\
		4720	var img = ext_drag_images[p];\
8074	schaersvoo	4721	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4722	};\
		4723	return reply;\
8108	schaersvoo	4724	};\n\
8257	schaersvoo	4725	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4726	break;
		4727	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4728	\n<!-- begin function 21 read_canvas%d() -->\n\
		4729	read_canvas%d = function(){\
7614	schaersvoo	4730	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4731	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4732	var prec = %d;\
7614	schaersvoo	4733	while(userdraw_x[p]){\
8074	schaersvoo	4734	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4735	p++;\
		4736	};\
		4737	if(p == 0){alert(\"nothing drawn...\");return;};\
		4738	if( document.getElementById(\"canvas_input0\") ){\
		4739	var p = 0;var input_reply = new Array();\
		4740	if( document.getElementById(\"canvas_input0\")){\
		4741	var t = 0;\
		4742	while(document.getElementById(\"canvas_input\"+t)){\
		4743	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4744	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4745	p++;\
		4746	};\
		4747	t++;\
		4748	};\
		4749	};\
		4750	if( typeof userdraw_text != 'undefined' ){\
		4751	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4752	}\
		4753	else\
		4754	{\
		4755	return reply_coord+\"\\n\"+input_reply;\
		4756	}\
		4757	}\
		4758	else\
		4759	{\
		4760	if( typeof userdraw_text != 'undefined' ){\
		4761	return reply_coord+\"\\n\"+userdraw_text;\
		4762	}\
		4763	else\
		4764	{\
		4765	return reply_coord;\
		4766	};\
		4767	};\
8108	schaersvoo	4768	};\n\
8257	schaersvoo	4769	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4770	break;
		4771	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4772	\n<!-- begin function 22 read_canvas%d() -->\n\
		4773	read_canvas%d = function(){\
7614	schaersvoo	4774	var reply = new Array();\
7963	schaersvoo	4775	var lu = userdraw_x.length;\
		4776	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4777	var idx = 0;\
8074	schaersvoo	4778	var prec = %d;\
7963	schaersvoo	4779	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4780	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4781	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4782	};\
		4783	if( document.getElementById(\"canvas_input0\") ){\
		4784	var p = 0;var input_reply = new Array();\
		4785	if( document.getElementById(\"canvas_input0\")){\
		4786	var t = 0;\
		4787	while(document.getElementById(\"canvas_input\"+t)){\
		4788	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4789	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4790	p++;\
		4791	};\
		4792	t++;\
		4793	};\
		4794	};\
		4795	if( typeof userdraw_text != 'undefined' ){\
		4796	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4797	}\
		4798	else\
		4799	{\
		4800	return reply +\"\\n\"+input_reply;\
		4801	}\
		4802	}\
		4803	else\
		4804	{\
		4805	if( typeof userdraw_text != 'undefined' ){\
		4806	return reply +\"\\n\"+userdraw_text;\
		4807	}\
		4808	else\
		4809	{\
		4810	return reply;\
		4811	}\
		4812	};\
8108	schaersvoo	4813	};\n\
8257	schaersvoo	4814	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4815	break;
7782	schaersvoo	4816	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4817	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4818	read_canvas%d = function(){\
7782	schaersvoo	4819	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4820	var lu = userdraw_x.length;\
		4821	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4822	var reply_x = new Array();var reply_y = new Array();\
		4823	var marge = 5;var p = 0;\
8074	schaersvoo	4824	var prec = %d;\
7782	schaersvoo	4825	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4826	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4827	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4828	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4829	p++;\
7782	schaersvoo	4830	};\
8074	schaersvoo	4831	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	4832	};\
		4833	if( document.getElementById(\"canvas_input0\")){\
		4834	var p = 0;var input_reply = new Array();\
		4835	if( document.getElementById(\"canvas_input0\")){\
		4836	var t = 0;\
		4837	while(document.getElementById(\"canvas_input\"+t)){\
		4838	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4839	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4840	p++;\
		4841	};\
		4842	t++;\
		4843	};\
		4844	};\
		4845	if( typeof userdraw_text != 'undefined' ){\
		4846	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4847	}\
		4848	else\
		4849	{\
		4850	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4851	}\
		4852	}\
		4853	else\
		4854	{\
		4855	if( typeof userdraw_text != 'undefined' ){\
		4856	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4857	}\
		4858	else\
		4859	{\
		4860	return reply_x+\"\\n\"+reply_y;\
		4861	};\
		4862	};\
8108	schaersvoo	4863	};\n\
8257	schaersvoo	4864	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4865	break;
7984	schaersvoo	4866	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4867	<!-- begin function 24 read_canvas%d() -->\n\
		4868	read_canvas%d = function(){\
7984	schaersvoo	4869	var input_reply = new Array();\
		4870	var p = 0;\
		4871	if( document.getElementById(\"canvas_input0\")){\
		4872	while(document.getElementById(\"canvas_input\"+p)){\
		4873	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4874	p++;\
		4875	};\
		4876	return input_reply;\
		4877	};\
8108	schaersvoo	4878	};\n\
8257	schaersvoo	4879	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4880	break;
8083	schaersvoo	4881	case 25:
8257	schaersvoo	4882	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4883	read_canvas%d = function(){\
8083	schaersvoo	4884	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4885	var lu = userdraw_radius.length;\
		4886	var prec = %d;\
		4887	var angle_reply = new Array(lu);\
		4888	for(var p = 0 ; p < lu ; p++){\
		4889	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4890	};\
		4891	return angle_reply;\
8108	schaersvoo	4892	};\n\
8257	schaersvoo	4893	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4894	break;
		4895	case 26:
8257	schaersvoo	4896	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4897	read_canvas%d = function(){\
8083	schaersvoo	4898	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4899	var lu = userdraw_radius.length;\
		4900	var prec = %d;\
		4901	var angle_reply = new Array(lu);\
		4902	for(var p = 0 ; p < lu ; p++){\
		4903	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4904	};\
		4905	return angle_reply;\
8108	schaersvoo	4906	};\n\
8257	schaersvoo	4907	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4908	break;
8127	schaersvoo	4909	case 27:
8257	schaersvoo	4910	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4911	read_canvas%d = function(){\
8127	schaersvoo	4912	var lu = userdraw_x.length;\
		4913	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4914	set_reply_precision();\
		4915	var prec = %d;\
		4916	for(var p = 0 ; p < lu ; p++){\
		4917	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4918	};\
		4919	return reply;\
		4920	};\n\
8257	schaersvoo	4921	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4922	break;
8322	schaersvoo	4923	case 28:
		4924	fprintf(js_include_file,"\n<!-- begin function 28 read_canvas%d() -->\n\
		4925	read_canvas%d = function(){\
		4926	var prec = %d;\
		4927	var reply = new Array();var p = 0;\
		4928	var idx = 0;\
		4929	while(userdraw_x[p]){\
		4930	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4931	idx++;\
		4932	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		4933	idx++;\
		4934	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		4935	idx++;\
		4936	p++;\
		4937	};\
		4938	if( p == 0){alert(\"nothing drawn...\");return;}\
		4939	return reply;\
		4940	};\n\
		4941	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		4942	break;
7614	schaersvoo	4943	default: canvas_error("hmmm unknown replyformat...");break;
		4944	}
		4945	return;
		4946	}
		4947
		4948
8224	bpr	4949	/*
		4950	add drawfunction :
7614	schaersvoo	4951	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4952	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4953	- grid / mathml
		4954	- will not scale or zoom in
		4955	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4956	- is printed directly into 'js_include_file'
7614	schaersvoo	4957	*/
		4958
		4959	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4960	int i;
		4961	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4962	if( js_functions[i] == 1){
		4963	switch(i){
		4964	case DRAG_EXTERNAL_IMAGE:
		4965	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4966	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4967	var external_ctx = external_canvas.getContext(\"2d\");\
		4968	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4969	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4970	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4971	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4972	var selected_image = null;\
		4973	var ext_image_cnt = 0;\
		4974	var ext_drag_images = new Array();\
		4975	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4976	ext_image_cnt = idx;\
		4977	var image = new Image();\
		4978	image.src = URL;\
		4979	image.onload = function(){\
		4980	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4981	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4982	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4983	var img = new Array(10);\
7653	schaersvoo	4984	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4985	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4986	ext_drag_images[idx] = img;\
		4987	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4988	};\
		4989	};\
		4990	function dragstop(evt){\
		4991	selected_image = null;return;\
		4992	};\
		4993	function dragxy(evt){\
		4994	if( selected_image != null ){\
		4995	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4996	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4997	var s_img = ext_drag_images[selected_image];\
		4998	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4999	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		5000	ext_drag_images[selected_image] = s_img;\
		5001	external_ctx.clearRect(0,0,xsize,ysize);\
		5002	for(var i = 0; i <= ext_image_cnt ; i++){\
		5003	var img = ext_drag_images[i];\
		5004	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		5005	};\
		5006	};\
		5007	};\
		5008	function setxy(evt){\
		5009	if( ! selected_image && evt.which == 1 ){\
		5010	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		5011	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		5012	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		5013	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		5014	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		5015	var img = ext_drag_images[p];\
		5016	if( img[0] == 1 ){\
		5017	var w = img.width;\
		5018	var h = img.height;\
		5019	if( xm > img[6] && xm < img[6] + img[4]){\
		5020	if( ym > img[7] && ym < img[7] + img[5]){\
		5021	img[6] = xm;\
		5022	img[7] = ym;\
		5023	ext_drag_images[p] = img;\
		5024	selected_image = p;\
		5025	dragxy(evt);\
		5026	};\
		5027	};\
		5028	};\
		5029	};\
		5030	}\
		5031	else\
		5032	{\
		5033	selected_image = null;\
		5034	};\
7614	schaersvoo	5035	};",canvas_root_id);
		5036	break;
		5037
		5038	case DRAW_EXTERNAL_IMAGE:
		5039	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	5040	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	5041	var image = new Image();\
		5042	image.src = URL;\
		5043	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		5044	image.onload = function(){\
		5045	if( x0 < 1 ){ x0 = 0; };\
		5046	if( y0 < 1 ){ y0 = 0; };\
		5047	if( sx < 1 ){ sx = 0; };\
		5048	if( sy < 1 ){ sy = 0; };\
		5049	if( width < 1 ){ width = image.width;};\
		5050	if( height < 1 ){ height = image.height;};\
		5051	if( swidth < 1 ){ swidth = image.width;};\
		5052	if( sheight < 1 ){ sheight = image.height;};\
		5053	var ml = x0 - sx;\
		5054	var mh = y0 - sy;\
		5055	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		5056	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		5057	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		5058	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		5059	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		5060	};\
8224	bpr	5061	};",canvas_root_id);
7614	schaersvoo	5062	break;
		5063	case DRAW_GRIDFILL:/* not used for userdraw */
		5064	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	5065	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	5066	var obj;\
		5067	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5068	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5069	}\
		5070	else\
		5071	{\
		5072	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5073	};\
		5074	var ctx = obj.getContext(\"2d\");\
		5075	var x,y;\
7883	schaersvoo	5076	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5077	ctx.save();\
		5078	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5079	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5080	ctx.moveTo(x,y0);\
		5081	ctx.lineTo(x,ysize);\
		5082	};\
7645	schaersvoo	5083	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	5084	ctx.moveTo(x0,y);\
		5085	ctx.lineTo(xsize,y);\
		5086	};\
		5087	ctx.stroke();\
		5088	ctx.restore();\
7653	schaersvoo	5089	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5090	break;
8224	bpr	5091
7614	schaersvoo	5092	case DRAW_IMAGEFILL:/* not used for userdraw */
		5093	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	5094	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	5095	var obj;\
		5096	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5097	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5098	}\
		5099	else\
		5100	{\
		5101	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5102	};\
		5103	var ctx = obj.getContext(\"2d\");\
		5104	ctx.save();\
		5105	var img = new Image();\
		5106	img.src = URL;\
		5107	img.onload = function(){\
		5108	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		5109	ctx.drawImage(img,x0,y0,xsize,ysize);\
		5110	}\
		5111	else\
		5112	{\
		5113	var repeat = \"repeat\";\
		5114	if(img.width > xsize - x0){\
		5115	repeat = \"repeat-y\";\
		5116	}\
		5117	else\
		5118	{\
		5119	if( img.height > ysize -x0 ){\
		5120	repeat = \"repeat-x\";\
		5121	}\
		5122	}\
		5123	var pattern = ctx.createPattern(img,repeat);\
		5124	ctx.rect(x0,y0,xsize,ysize);\
		5125	ctx.fillStyle = pattern;\
		5126	}\
		5127	ctx.fill();\
		5128	};\
		5129	ctx.restore();\
		5130	return;\
7653	schaersvoo	5131	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5132	break;
8224	bpr	5133
7614	schaersvoo	5134	case DRAW_DOTFILL:/* not used for userdraw */
		5135	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	5136	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	5137	var obj;\
		5138	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5139	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5140	}\
		5141	else\
		5142	{\
		5143	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5144	};\
		5145	var ctx = obj.getContext(\"2d\");\
		5146	var x,y;\
		5147	ctx.closePath();\
		5148	ctx.save();\
7645	schaersvoo	5149	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5150	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5151	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5152	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		5153	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		5154	ctx.closePath();\
		5155	}\
		5156	}\
		5157	ctx.fill();\
		5158	ctx.restore();\
7653	schaersvoo	5159	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5160	break;
7645	schaersvoo	5161
7647	schaersvoo	5162	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	5163	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5164	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	5165	var obj;\
		5166	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5167	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5168	}\
		5169	else\
		5170	{\
		5171	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5172	};\
		5173	var ctx = obj.getContext(\"2d\");\
		5174	var x;\
		5175	var y;\
		5176	ctx.save();\
		5177	ctx.lineWidth = linewidth;\
		5178	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5179	y = ysize;\
		5180	for( x = x0 ; x < xsize ; x = x + dx ){\
		5181	ctx.moveTo(x,y0);\
		5182	ctx.lineTo(xsize,y);\
		5183	y = y - dy;\
		5184	};\
		5185	y = y0;\
		5186	for( x = xsize ; x > 0 ; x = x - dx){\
		5187	ctx.moveTo(x,ysize);\
		5188	ctx.lineTo(x0,y);\
		5189	y = y + dy;\
		5190	};\
		5191	x = x0;\
		5192	for( y = y0 ; y < ysize ; y = y + dy ){\
		5193	ctx.moveTo(xsize,y);\
		5194	ctx.lineTo(x,ysize);\
		5195	x = x + dx;\
		5196	};\
		5197	x = xsize;\
		5198	for( y = ysize ; y > y0 ; y = y - dy ){\
		5199	ctx.moveTo(x,y0);\
		5200	ctx.lineTo(x0,y);\
		5201	x = x - dx;\
		5202	};\
		5203	ctx.stroke();\
		5204	ctx.restore();\
		5205	return;\
7653	schaersvoo	5206	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5207	break;
8224	bpr	5208
7647	schaersvoo	5209	case DRAW_HATCHFILL:/* not used for userdraw */
		5210	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5211	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	5212	var obj;\
		5213	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5214	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5215	}\
		5216	else\
		5217	{\
		5218	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5219	};\
		5220	var ctx = obj.getContext(\"2d\");\
		5221	var x;\
		5222	var y;\
		5223	ctx.save();\
		5224	ctx.lineWidth = linewidth;\
		5225	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5226	y = ysize;\
		5227	for( x = x0 ; x < xsize ; x = x + dx ){\
		5228	ctx.moveTo(x,y0);\
		5229	ctx.lineTo(xsize,y);\
		5230	y = y - dy;\
		5231	};\
		5232	y = y0;\
		5233	for( x = xsize ; x >= dx ; x = x - dx){\
		5234	ctx.moveTo(x,ysize);\
		5235	ctx.lineTo(x0,y);\
		5236	y = y + dy;\
		5237	};\
		5238	ctx.stroke();\
		5239	ctx.restore();\
		5240	return;\
7653	schaersvoo	5241	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5242	break;
7614	schaersvoo	5243	case DRAW_CIRCLES:/* used for userdraw */
		5244	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5245	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	5246	ctx.save();\
8071	schaersvoo	5247	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5248	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5249	ctx.lineWidth = line_width;\
		5250	for(var p = 0 ; p < x_points.length ; p++ ){\
		5251	ctx.beginPath();\
		5252	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5253	ctx.closePath();\
		5254	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5255	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5256	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5257	ctx.stroke();\
		5258	}\
		5259	ctx.restore();\
		5260	return;\
7653	schaersvoo	5261	};");
7614	schaersvoo	5262	break;
7663	schaersvoo	5263	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5264	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5265	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	5266	ctx.save();\
8071	schaersvoo	5267	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5268	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5269	ctx.lineWidth = line_width;\
		5270	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5271	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5272	ctx.clearRect(0,0,xsize,ysize);\
		5273	ctx.beginPath();\
		5274	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5275	ctx.moveTo(x_points[p],y_points[p]);\
		5276	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5277	}\
		5278	ctx.closePath();\
		5279	ctx.stroke();\
		5280	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5281	for(var p = 0 ; p < x_points.length ; p++ ){\
		5282	ctx.beginPath();\
		5283	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5284	ctx.closePath();ctx.fill();ctx.stroke();\
		5285	};\
		5286	ctx.restore();\
		5287	return;\
		5288	};");
		5289	break;
8224	bpr	5290
7614	schaersvoo	5291	case DRAW_SEGMENTS:/* used for userdraw */
		5292	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5293	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	5294	ctx.save();\
8071	schaersvoo	5295	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5296	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5297	ctx.lineWidth = line_width;\
		5298	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5299	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5300	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5301	ctx.beginPath();\
		5302	ctx.moveTo(x_points[p],y_points[p]);\
		5303	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5304	ctx.closePath();\
		5305	ctx.stroke();\
		5306	}\
		5307	ctx.restore();\
		5308	return;\
		5309	};");
		5310	break;
8224	bpr	5311
7614	schaersvoo	5312	case DRAW_LINES:/* used for userdraw */
		5313	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5314	function calc_line(x1,x2,y1,y2){\
		5315	var marge = 2;\
		5316	if(x1 < x2+marge && x1>x2-marge){\
		5317	return [x1,0,x1,ysize];\
		5318	};\
		5319	if(y1 < y2+marge && y1>y2-marge){\
		5320	return [0,y1,xsize,y1];\
		5321	};\
		5322	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5323	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5324	return [0,Y1,xsize,Y2];\
		5325	};\
8105	schaersvoo	5326	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	5327	ctx.save();\
		5328	var line = new Array(4);\
8071	schaersvoo	5329	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5330	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5331	ctx.lineWidth = line_width;\
		5332	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5333	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5334	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5335	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5336	ctx.beginPath();\
		5337	ctx.moveTo(line[0],line[1]);\
		5338	ctx.lineTo(line[2],line[3]);\
		5339	ctx.closePath();\
		5340	ctx.stroke();\
		5341	}\
		5342	ctx.restore();\
		5343	return;\
		5344	};");
		5345	break;
		5346
8244	schaersvoo	5347	case DRAW_DEMILINES:/* used for userdraw */
		5348	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5349	function find_inf_point(x1,y1,x2,y2){\
		5350	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5351	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5352	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5353	};\
		5354	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){\
		5355	ctx.save();\
		5356	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5357	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5358	ctx.lineWidth = line_width;\
		5359	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5360	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5361	var pair = new Array(4);\
		5362	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5363	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5364	ctx.beginPath();\
		5365	ctx.moveTo(pair[0],pair[1]);\
		5366	ctx.lineTo(pair[2],pair[3]);\
		5367	ctx.closePath();\
		5368	ctx.stroke();\
		5369	}\
		5370	ctx.restore();\
		5371	return;\
		5372	};");
		5373	break;
		5374
7614	schaersvoo	5375	case DRAW_CROSSHAIRS:/* used for userdraw */
		5376	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5377	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	5378	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5379	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5380	ctx.lineWidth = line_width;\
		5381	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5382	var x1,x2,y1,y2;\
		5383	for(var p = 0 ; p < x_points.length ; p++ ){\
		5384	x1 = x_points[p] - crosshair_size;\
		5385	x2 = x_points[p] + crosshair_size;\
		5386	y1 = y_points[p] - crosshair_size;\
		5387	y2 = y_points[p] + crosshair_size;\
		5388	ctx.beginPath();\
		5389	ctx.moveTo(x1,y1);\
		5390	ctx.lineTo(x2,y2);\
		5391	ctx.closePath();\
		5392	ctx.stroke();\
		5393	ctx.beginPath();\
		5394	ctx.moveTo(x2,y1);\
		5395	ctx.lineTo(x1,y2);\
		5396	ctx.closePath();\
		5397	ctx.stroke();\
		5398	}\
		5399	ctx.restore();\
		5400	return;\
7653	schaersvoo	5401	};");
7614	schaersvoo	5402	break;
		5403
		5404	case DRAW_RECTS:/* used for userdraw */
		5405	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5406	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	5407	ctx.save();\
8071	schaersvoo	5408	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5409	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5410	ctx.lineWidth = line_width;\
		5411	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5412	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5413	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5414	ctx.beginPath();\
		5415	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5416	ctx.closePath();\
		5417	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5418	ctx.stroke();\
		5419	};\
		5420	ctx.restore();\
		5421	return;\
7653	schaersvoo	5422	};");
7614	schaersvoo	5423	break;
		5424
		5425	case DRAW_ROUNDRECTS:/* used for userdraw */
		5426	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5427	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	5428	ctx.save();\
8071	schaersvoo	5429	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5430	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5431	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5432	var x,y,w,h,r;\
		5433	for(var p = 0; p < x_points.length; p = p+2){\
		5434	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);\
		5435	ctx.beginPath();ctx.moveTo(x + r, y);\
		5436	ctx.lineTo(x + w - r, y);\
		5437	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5438	ctx.lineTo(x + w, y + h - r);\
		5439	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5440	ctx.lineTo(x + r, y + h);\
		5441	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5442	ctx.lineTo(x, y + r);\
		5443	ctx.quadraticCurveTo(x, y, x + r, y);\
		5444	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5445	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5446	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5447	ctx.stroke();\
		5448	}\
		5449	ctx.restore();\
7653	schaersvoo	5450	};");
8224	bpr	5451	break;
7614	schaersvoo	5452
		5453	case DRAW_ELLIPSES:/* not used for userdraw */
		5454	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5455	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	5456	var obj;\
		5457	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5458	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5459	}\
		5460	else\
		5461	{\
		5462	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5463	};\
		5464	var ctx = obj.getContext(\"2d\");\
		5465	ctx.save();\
8071	schaersvoo	5466	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5467	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5468	var cx,cy,ry,rx;\
		5469	ctx.lineWidth = line_width;\
		5470	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5471	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5472	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5473	for(var p=0;p< x_points.length;p = p+2){\
		5474	ctx.beginPath();\
		5475	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5476	ctx.translate(cx - rx, cy - ry);\
		5477	ctx.scale(rx, ry);\
		5478	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5479	if( use_filled == 1 ){ctx.fill();}\
		5480	ctx.stroke();\
		5481	};\
		5482	ctx.restore();\
7653	schaersvoo	5483	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5484	break;
		5485
		5486	case DRAW_PATHS: /* used for userdraw */
		5487	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5488	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	5489	ctx.save();\
8071	schaersvoo	5490	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5491	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5492	ctx.lineWidth = line_width;\
		5493	ctx.lineJoin = \"round\";\
		5494	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5495	ctx.beginPath();\
		5496	ctx.moveTo(x_points[0],y_points[0]);\
		5497	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5498	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5499	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5500	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5501	ctx.stroke();\
		5502	ctx.restore();\
		5503	return;\
		5504	};");
8224	bpr	5505
7614	schaersvoo	5506	break;
		5507	case DRAW_ARROWS:/* used for userdraw */
		5508	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5509	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	5510	ctx.save();\
8071	schaersvoo	5511	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5512	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5513	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5514	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5515	ctx.lineWidth = line_width;\
		5516	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5517	ctx.lineCap = \"round\";\
		5518	var x1,y1,x2,y2,dx,dy,len;\
		5519	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5520	ctx.save();\
7614	schaersvoo	5521	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5522	len = Math.sqrt(dxdx+dydy);\
		5523	ctx.translate(x2,y2);\
		5524	ctx.rotate(Math.atan2(dy,dx));\
		5525	ctx.lineCap = \"round\";\
		5526	ctx.beginPath();\
		5527	ctx.moveTo(0,0);\
		5528	ctx.lineTo(-len,0);\
		5529	ctx.closePath();\
		5530	ctx.stroke();\
		5531	ctx.beginPath();\
		5532	ctx.moveTo(0,0);\
		5533	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5534	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5535	ctx.closePath();\
		5536	ctx.fill();\
7874	schaersvoo	5537	ctx.restore();\
7614	schaersvoo	5538	if( type == 2 ){\
		5539	ctx.save();\
		5540	ctx.translate(x1,y1);\
		5541	ctx.rotate(Math.atan2(-dy,-dx));\
		5542	ctx.beginPath();\
		5543	ctx.moveTo(0,0);\
8347	schaersvoo	5544	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		5545	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	5546	ctx.closePath();\
		5547	ctx.stroke();\
		5548	ctx.fill();\
7874	schaersvoo	5549	ctx.restore();\
7614	schaersvoo	5550	}\
		5551	}\
		5552	ctx.restore();\
		5553	return;\
7653	schaersvoo	5554	};");
7614	schaersvoo	5555	break;
		5556
		5557	case DRAW_VIDEO:/* not used for userdraw */
		5558	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5559	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5560	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5561	var video_div = document.createElement(\"div\");\
		5562	canvas_div.appendChild(video_div);\
		5563	video_div.style.position = \"absolute\";\
		5564	video_div.style.left = x+\"px\";\
		5565	video_div.style.top = y+\"px\";\
		5566	video_div.style.width = w+\"px\";\
		5567	video_div.style.height = h+\"px\";\
		5568	var video = document.createElement(\"video\");\
		5569	video_div.appendChild(video);\
		5570	video.style.width = w+\"px\";\
		5571	video.style.height = h+\"px\";\
		5572	video.autobuffer = true;\
		5573	video.controls = true;video.autoplay = false;\
		5574	var src = document.createElement(\"source\");\
		5575	src.type = \"video/mp4\";\
		5576	src.src = URL;\
		5577	video.appendChild(src);\
		5578	video.load();\
		5579	return;\
8224	bpr	5580	};");
7614	schaersvoo	5581	break;
8224	bpr	5582
7614	schaersvoo	5583	case DRAW_AUDIO:/* not used for userdraw */
		5584	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5585	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5586	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5587	var audio_div = document.createElement(\"div\");\
		5588	canvas_div.appendChild(audio_div);\
		5589	audio_div.style.position = \"absolute\";\
		5590	audio_div.style.left = x+\"px\";\
		5591	audio_div.style.top = y+\"px\";\
		5592	audio_div.style.width = w+\"px\";\
		5593	audio_div.style.height = h+\"px\";\
		5594	var audio = document.createElement(\"audio\");\
		5595	audio_div.appendChild(audio);\
		5596	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5597	audio.autobuffer = true;\
		5598	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5599	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5600	var src1 = document.createElement(\"source\");\
		5601	src1.type = \"audio/ogg\";\
		5602	src1.src = URL1;\
		5603	audio.appendChild(src1);\
		5604	var src2 = document.createElement(\"source\");\
		5605	src2.type = \"audio/mpeg\";\
		5606	src2.src = URL2;\
		5607	audio.appendChild(src2);\
		5608	audio.load();\
		5609	return;\
7653	schaersvoo	5610	};");
7614	schaersvoo	5611	break;
8224	bpr	5612
7614	schaersvoo	5613	case DRAW_HTTP:/* not used for userdraw */
		5614	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5615	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5616	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5617	var http_div = document.createElement(\"div\");\
		5618	var iframe = document.createElement(\"iframe\");\
		5619	canvas_div.appendChild(http_div);\
		5620	http_div.appendChild(iframe);\
		5621	iframe.src = URL;\
		5622	iframe.setAttribute(\"width\",w);\
		5623	iframe.setAttribute(\"height\",h);\
		5624	return;\
7653	schaersvoo	5625	};");
7614	schaersvoo	5626	break;
8224	bpr	5627
7614	schaersvoo	5628	case DRAW_XML:
		5629	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5630	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5631	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5632	var xml_div = document.createElement(\"div\");\
		5633	canvas_div.appendChild(xml_div);\
		5634	xml_div.innerHTML = mathml;\
		5635	if(onclick != 0){\
		5636	xml_div.onclick = function(){\
		5637	reply[0] = onclick;\
		5638	alert(\"send \"+onclick+\" ?\");\
		5639	};\
		5640	};\
		5641	xml_div.style.position = \"absolute\";\
		5642	xml_div.style.left = x+\"px\";\
		5643	xml_div.style.top = y+\"px\";\
		5644	xml_div.style.width = w+\"px\";\
		5645	xml_div.style.height = h+\"px\";\
		5646	return;\
7653	schaersvoo	5647	};"
7614	schaersvoo	5648	);
		5649	break;
7654	schaersvoo	5650	case DRAW_SGRAPH:
8224	bpr	5651	/*
7654	schaersvoo	5652	xstart = given
		5653	ystart = given
		5654	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5655	*/
		5656	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5657	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5658	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);};\
		5659	var ctx = obj.getContext(\"2d\");\
		5660	ctx.font = fontfamily;\
		5661	var minor_opacity = 0.8*opacity;\
		5662	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5663	var zero_x = 0.1*xsize;\
		5664	var zero_y = 0.9*ysize;\
8129	schaersvoo	5665	var snor_x;var snor_y;\
7654	schaersvoo	5666	if( xstart != xmin){\
7658	schaersvoo	5667	snor_x = 0.1*xsize;\
		5668	}\
		5669	else\
		5670	{\
		5671	snor_x = 0;\
		5672	xstart = xmin;\
		5673	};\
		5674	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5675	ctx.lineWidth = 2;\
		5676	ctx.beginPath();\
		5677	ctx.moveTo(xsize,zero_y);\
		5678	ctx.lineTo(zero_x,zero_y);\
		5679	ctx.lineTo(zero_x,0);\
		5680	ctx.stroke();\
		5681	ctx.closePath();\
		5682	ctx.beginPath();\
		5683	ctx.moveTo(zero_x,zero_y);\
		5684	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5685	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5686	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5687	ctx.lineTo(zero_x + snor_x,zero_y);\
		5688	ctx.stroke();\
		5689	ctx.closePath();\
		5690	ctx.beginPath();\
		5691	var num = xstart;\
7660	schaersvoo	5692	var flipflop = 1;\
7658	schaersvoo	5693	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5694	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5695	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5696	txtsize = ctx.measureText(num).width;\
		5697	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5698	if( flipflop == 1){\
		5699	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5700	}\
		5701	else\
		5702	{\
		5703	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5704	}\
		5705	num = num + xmajor;\
7658	schaersvoo	5706	};\
		5707	ctx.stroke();\
		5708	ctx.closePath();\
		5709	ctx.lineWidth = 1;\
		5710	ctx.beginPath();\
		5711	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5712	ctx.moveTo(x,zero_y);\
		5713	ctx.lineTo(x,0);\
		5714	};\
		5715	ctx.stroke();\
		5716	ctx.closePath();\
		5717	if( xminor > 1){\
		5718	ctx.lineWidth = 0.5;\
		5719	ctx.beginPath();\
		5720	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5721	var minor_step_x = step_x / xminor;\
		5722	var nx;\
		5723	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5724	num = 1;\
		5725	for(var p = 1 ; p < xminor ; p++){\
		5726	nx = x + num*minor_step_x;\
		5727	ctx.moveTo(nx,zero_y);\
		5728	ctx.lineTo(nx,0);\
		5729	num++;\
		5730	};\
		5731	};\
		5732	ctx.stroke();\
		5733	ctx.closePath();\
		5734	ctx.beginPath();\
		5735	ctx.lineWidth = 2;\
		5736	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5737	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5738	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5739	};\
		5740	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5741	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5742	};\
		5743	ctx.stroke();\
		5744	ctx.closePath();\
		5745	ctx.lineWidth = 0.5;\
		5746	};\
		5747	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5748	if( ystart != ymin){\
		5749	snor_y = 0.1*ysize;\
		5750	}\
		5751	else\
		5752	{\
		5753	snor_y = 0;\
		5754	ystart = ymin;\
		5755	};\
		5756	ctx.lineWidth = 2;\
		5757	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5758	ctx.beginPath();\
		5759	ctx.moveTo(zero_x,zero_y);\
		5760	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5761	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5762	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5763	ctx.lineTo(zero_x,zero_y - snor_y);\
		5764	ctx.stroke();\
		5765	ctx.closePath();\
		5766	ctx.beginPath();\
		5767	ctx.lineWidth = 1;\
		5768	num = ystart;\
		5769	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5770	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5771	ctx.moveTo(zero_x,y);\
		5772	ctx.lineTo(xsize,y);\
		5773	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5774	num = num + ymajor;\
		5775	};\
		5776	ctx.stroke();\
		5777	ctx.closePath();\
		5778	if( yminor > 1){\
		5779	ctx.lineWidth = 0.5;\
		5780	ctx.beginPath();\
		5781	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5782	var minor_step_y = step_y / yminor;\
		5783	var ny;\
		5784	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5785	num = 1;\
		5786	for(var p = 1 ;p < yminor;p++){\
		5787	ny = y + num*minor_step_y;\
		5788	ctx.moveTo(zero_x,ny);\
		5789	ctx.lineTo(xsize,ny);\
		5790	num++;\
		5791	};\
		5792	};\
		5793	ctx.stroke();\
		5794	ctx.closePath();\
		5795	ctx.lineWidth = 2;\
		5796	ctx.beginPath();\
		5797	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5798	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5799	ctx.moveTo(zero_x,y);\
		5800	ctx.lineTo(zero_x+12,y);\
		5801	};\
		5802	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5803	ctx.moveTo(zero_x,y);\
		5804	ctx.lineTo(zero_x+6,y);\
		5805	};\
		5806	ctx.stroke();\
		5807	ctx.closePath();\
		5808	};\
		5809	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5810	if( typeof legend%d !== 'undefined' ){\
		5811	ctx.globalAlpha = 1.0;\
		5812	var y_offset = 2*font_size;\
		5813	var txt;var txt_size;\
		5814	var x_offset = xsize - 2*font_size;\
		5815	var l_length = legend%d.length;var barcolor = new Array();\
		5816	if( typeof legendcolors%d !== 'undefined' ){\
		5817	for(var p = 0 ; p < l_length ; p++){\
		5818	barcolor[p] = legendcolors%d[p];\
		5819	};\
		5820	}else{\
		5821	if( barcolor.length == 0 ){\
		5822	for(var p = 0 ; p < l_length ; p++){\
		5823	barcolor[p] = stroke_color;\
		5824	};\
		5825	};\
		5826	};\
		5827	for(var p = 0; p < l_length; p++){\
		5828	ctx.fillStyle = barcolor[p];\
		5829	txt = legend%d[p];\
		5830	txt_size = ctx.measureText(txt).width;\
		5831	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5832	y_offset = parseInt(y_offset + 1.5*font_size);\
		5833	};\
		5834	};\
7660	schaersvoo	5835	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5836	ctx.fillStyle = \'#000000\';\
		5837	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5838	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5839	};\
7660	schaersvoo	5840	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5841	ctx.save();\
		5842	ctx.fillStyle = \'#000000\';\
		5843	var txt_size = ctx.measureText(yaxislabel).width;\
		5844	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5845	ctx.rotate(-0.5*Math.PI);\
		5846	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5847	ctx.restore();\
7658	schaersvoo	5848	};\
7654	schaersvoo	5849	};\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);
		5850	break;
7614	schaersvoo	5851
		5852	case DRAW_GRID:/* not used for userdraw */
		5853	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5854	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	5855	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);};\
		5856	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5857	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5858	ctx.save();\
8071	schaersvoo	5859	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5860	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5861	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5862	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5863	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5864	ctx.font = font_family;\
7988	schaersvoo	5865	var barcolor = new Array();\
7614	schaersvoo	5866	var xstep = xsize*xmajor/(xmax - xmin);\
		5867	var ystep = ysize*ymajor/(ymax - ymin);\
		5868	var x2step = xstep / xminor;\
		5869	var y2step = ystep / yminor;\
7996	schaersvoo	5870	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5871	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5872	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5873	ctx.beginPath();\
		5874	ctx.lineWidth = line_width;\
		5875	ctx.strokeStyle = stroke_color;\
		5876	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5877	ctx.moveTo(p,0);\
		5878	ctx.lineTo(p,ysize);\
		5879	};\
		5880	for(var p = zero_x ; p > 0; p = p - xstep){\
		5881	ctx.moveTo(p,0);\
		5882	ctx.lineTo(p,ysize);\
		5883	};\
		5884	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5885	ctx.moveTo(0,p);\
		5886	ctx.lineTo(xsize,p);\
		5887	};\
		5888	for(var p = zero_y ; p > 0; p = p - ystep){\
		5889	ctx.moveTo(0,p);\
		5890	ctx.lineTo(xsize,p);\
		5891	};\
		5892	if( typeof xaxislabel !== 'undefined' ){\
		5893	ctx.save();\
		5894	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5895	var corr = ctx.measureText(xaxislabel).width;\
		5896	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5897	ctx.restore();\
		5898	};\
		5899	if( typeof yaxislabel !== 'undefined' ){\
		5900	ctx.save();\
		5901	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5902	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5903	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5904	ctx.rotate(-0.5*Math.PI);\
		5905	ctx.fillText(yaxislabel,0,0);\
		5906	ctx.restore();\
		5907	};\
		5908	ctx.stroke();\
		5909	ctx.closePath();\
		5910	if( use_axis == 1 ){\
7988	schaersvoo	5911	ctx.save();\
7614	schaersvoo	5912	ctx.beginPath();\
		5913	ctx.strokeStyle = stroke_color;\
		5914	ctx.lineWidth = 0.6*line_width;\
		5915	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5916	ctx.moveTo(p,0);\
		5917	ctx.lineTo(p,ysize);\
		5918	};\
		5919	for(var p = zero_x ; p > 0; p = p - x2step){\
		5920	ctx.moveTo(p,0);\
		5921	ctx.lineTo(p,ysize);\
		5922	};\
		5923	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5924	ctx.moveTo(0,p);\
		5925	ctx.lineTo(xsize,p);\
		5926	};\
		5927	for(var p = zero_y ; p > 0; p = p - y2step){\
		5928	ctx.moveTo(0,p);\
		5929	ctx.lineTo(xsize,p);\
		5930	};\
		5931	ctx.stroke();\
		5932	ctx.closePath();\
		5933	ctx.beginPath();\
		5934	ctx.lineWidth = 2*line_width;\
		5935	ctx.strokeStyle = axis_color;\
		5936	ctx.moveTo(0,zero_y);\
		5937	ctx.lineTo(xsize,zero_y);\
		5938	ctx.moveTo(zero_x,0);\
		5939	ctx.lineTo(zero_x,ysize);\
		5940	ctx.stroke();\
		5941	ctx.closePath();\
		5942	ctx.lineWidth = line_width+0.5;\
		5943	ctx.beginPath();\
		5944	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5945	ctx.moveTo(p,zero_y-tics_length);\
		5946	ctx.lineTo(p,zero_y+tics_length);\
		5947	};\
		5948	for(var p = zero_x ; p > 0; p = p - xstep){\
		5949	ctx.moveTo(p,zero_y-tics_length);\
		5950	ctx.lineTo(p,zero_y+tics_length);\
		5951	};\
		5952	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5953	ctx.moveTo(zero_x-tics_length,p);\
		5954	ctx.lineTo(zero_x+tics_length,p);\
		5955	};\
		5956	for(var p = zero_y ; p > 0; p = p - ystep){\
		5957	ctx.moveTo(zero_x-tics_length,p);\
		5958	ctx.lineTo(zero_x+tics_length,p);\
		5959	};\
		5960	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5961	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5962	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5963	};\
		5964	for(var p = zero_x ; p > 0; p = p - x2step){\
		5965	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5966	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5967	};\
		5968	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5969	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5970	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5971	};\
		5972	for(var p = zero_y ; p > 0; p = p - y2step){\
		5973	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5974	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5975	};\
		5976	ctx.stroke();\
		5977	ctx.closePath();\
7988	schaersvoo	5978	ctx.restore();\
		5979	};\
		5980	if( use_axis_numbering == 1 ){\
		5981	ctx.save();\
		5982	ctx.fillColor = axis_color;\
8110	schaersvoo	5983	ctx.strokeStyle = axis_color;\
		5984	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5985	ctx.font = font_family;\
		5986	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5987	if( x_strings != null ){\
		5988	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5989	ctx.beginPath();\
7988	schaersvoo	5990	for(var p = 0 ; p < len ; p = p+2){\
		5991	var x_nums = x2px(eval(x_strings[p]));\
		5992	var x_text = x_strings[p+1];\
		5993	corr = ctx.measureText(x_text).width;\
		5994	skip = 1.2*corr/xstep;\
		5995	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5996	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5997	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5998	ctx.moveTo(x_nums,zero_y - tics_length);\
		5999	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	6000	};\
8110	schaersvoo	6001	ctx.closePath();\
7988	schaersvoo	6002	}\
		6003	else\
		6004	{\
		6005	skip = 1;cnt = px2x(zero_x);\
		6006	prec = Math.log(precision)/(Math.log(10));\
		6007	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		6008	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		6009	if(skip == 0 ){\
7990	schaersvoo	6010	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6011	corr = ctx.measureText(disp_cnt).width;\
		6012	skip = parseInt(1.2*corr/xstep);\
		6013	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	6014	}\
7988	schaersvoo	6015	else\
		6016	{\
		6017	skip--;\
7614	schaersvoo	6018	};\
7988	schaersvoo	6019	cnt = cnt + xmajor;\
7614	schaersvoo	6020	};\
7988	schaersvoo	6021	cnt = px2x(zero_x);skip = 1;\
		6022	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		6023	if(skip == 0 ){\
7990	schaersvoo	6024	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6025	corr = ctx.measureText(disp_cnt).width;\
		6026	skip = parseInt(1.2*corr/xstep);\
		6027	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		6028	}\
		6029	else\
		6030	{\
		6031	skip--;\
7614	schaersvoo	6032	};\
7988	schaersvoo	6033	cnt = cnt - xmajor;\
7614	schaersvoo	6034	};\
		6035	};\
7988	schaersvoo	6036	if( y_strings != null ){\
		6037	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	6038	ctx.beginPath();\
7988	schaersvoo	6039	for(var p = 0 ; p < len ; p = p+2){\
		6040	var y_nums = y2px(eval(y_strings[p]));\
		6041	var y_text = y_strings[p+1];\
		6042	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		6043	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	6044	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		6045	ctx.moveTo(zero_x - tics_length,y_nums);\
		6046	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	6047	};\
8110	schaersvoo	6048	ctx.closePath();\
7988	schaersvoo	6049	}\
		6050	else\
		6051	{\
7991	schaersvoo	6052	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	6053	cnt = px2y(zero_y);skip = 1;\
		6054	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		6055	if(skip == 0 ){\
		6056	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	6057	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6058	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		6059	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		6060	}\
		6061	else\
		6062	{\
		6063	skip--;\
		6064	};\
		6065	cnt = cnt - ymajor;\
7614	schaersvoo	6066	};\
7988	schaersvoo	6067	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	6068	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	6069	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		6070	if(skip == 0 ){\
		6071	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	6072	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6073	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		6074	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		6075	}\
		6076	else\
		6077	{\
		6078	skip--;\
		6079	};\
		6080	cnt = cnt + ymajor;\
7614	schaersvoo	6081	};\
		6082	};\
7988	schaersvoo	6083	ctx.stroke();\
7614	schaersvoo	6084	ctx.restore();\
		6085	};\
7956	schaersvoo	6086	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	6087	ctx.save();\
7614	schaersvoo	6088	ctx.globalAlpha = 1.0;\
		6089	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		6090	var y_offset = 2*font_size;\
		6091	var txt;var txt_size;\
		6092	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	6093	var l_length = legend0.length;\
		6094	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	6095	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	6096	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	6097	};\
7988	schaersvoo	6098	}\
		6099	else\
		6100	{\
7614	schaersvoo	6101	if( barcolor.length == 0 ){\
		6102	for(var p = 0 ; p < l_length ; p++){\
		6103	barcolor[p] = stroke_color;\
		6104	};\
		6105	};\
		6106	};\
		6107	for(var p = 0; p < l_length; p++){\
		6108	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	6109	txt = legend0[p];\
7614	schaersvoo	6110	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	6111	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	6112	y_offset = parseInt(y_offset + 1.5*font_size);\
		6113	};\
7988	schaersvoo	6114	ctx.restore();\
7614	schaersvoo	6115	};\
7991	schaersvoo	6116	if( typeof barchart_0 !== 'undefined' ){\
		6117	ctx.save();\
		6118	var num_barcharts = 0;\
		6119	var bar_name = eval('barchart_0');\
		6120	while( typeof bar_name !== 'undefined' ){\
		6121	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		6122	};\
		6123	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		6124	for(var i=0 ; i< num_barcharts ; i++){\
		6125	bar_name = eval('barchart_'+i);\
		6126	var bar_x = new Array();\
		6127	var bar_y = new Array();\
		6128	var lb = bar_name.length;\
		6129	var idx = 0;\
		6130	var dx = parseInt(0.5ibar_width);\
		6131	for( var p = 0 ; p < lb ; p = p + 3 ){\
		6132	bar_x[idx] = x2px(bar_name[p]);\
		6133	bar_y[idx] = y2px(bar_name[p+1]);\
		6134	barcolor[idx] = bar_name[p+2];\
		6135	idx++;\
		6136	};\
		6137	ctx.globalAlpha = fill_opacity;\
		6138	ctx.beginPath();\
		6139	for( var p = 0; p < idx ; p++ ){\
		6140	ctx.strokeStyle = barcolor[p];\
		6141	ctx.fillStyle = barcolor[p];\
		6142	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		6143	};\
		6144	ctx.fill();\
		6145	ctx.stroke();\
		6146	ctx.closePath();\
		6147	};\
		6148	ctx.restore();\
		6149	};\
7996	schaersvoo	6150	if( typeof linegraph_0 !== 'undefined' ){\
		6151	ctx.save();\
		6152	ctx.globalAlpha = 1.0;\
		6153	var i = 0;\
		6154	var line_name = eval('linegraph_'+i);\
		6155	while ( typeof line_name !== 'undefined' ){\
		6156	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		6157	ctx.lineWidth = parseInt(line_name[1]);\
		6158	if(line_name[2] == \"1\"){\
		6159	var d1 = parseInt(line_name[3]);\
		6160	var d2 = parseInt(line_name[4]);\
		6161	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		6162	}\
		6163	else\
		6164	{\
		6165	if(ctx.setLineDash){ctx.setLineDash = null;}\
		6166	if(ctx.mozDash){ctx.mozDash = null;}\
		6167	};\
		6168	var data_x = new Array();\
		6169	var data_y = new Array();\
		6170	var lb = line_name.length;\
		6171	var idx = 0;\
		6172	for( var p = 5 ; p < lb ; p = p + 2 ){\
		6173	data_x[idx] = x2px(line_name[p]);\
		6174	data_y[idx] = y2px(line_name[p+1]);\
		6175	idx++;\
		6176	};\
		6177	for( var p = 0; p < idx ; p++){\
		6178	ctx.beginPath();\
		6179	ctx.moveTo(data_x[p],data_y[p]);\
		6180	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		6181	ctx.stroke();\
		6182	ctx.closePath();\
		6183	};\
		6184	i++;\
		6185	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		6186	};\
		6187	ctx.restore();\
		6188	};\
7614	schaersvoo	6189	return;\
7989	schaersvoo	6190	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6191	break;
8224	bpr	6192
7614	schaersvoo	6193	case DRAW_PIECHART:
7987	schaersvoo	6194	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	6195	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	6196	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6197	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6198	}\
		6199	else\
		6200	{\
		6201	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6202	};\
		6203	var ld = data_color_list.length;\
		6204	var sum = 0;\
		6205	var idx = 0;\
7956	schaersvoo	6206	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	6207	var colors = new Array();\
		6208	var data = new Array();\
		6209	for(var p = 0;p < ld; p = p + 2){\
		6210	data[idx] = parseFloat(data_color_list[p]);\
		6211	sum = sum + data[idx];\
		6212	colors[idx] = data_color_list[p+1];\
		6213	idx++;\
		6214	};\
		6215	var ctx = obj.getContext(\"2d\");\
		6216	ctx.save();\
		6217	var angle;\
		6218	var angle_end = 0;\
		6219	var offset = Math.PI / 2;\
		6220	ctx.globalAlpha = fill_opacity;\
		6221	for(var p=0; p < idx; p++){\
		6222	ctx.beginPath();\
		6223	ctx.fillStyle = colors[p];\
		6224	ctx.moveTo(x_center,y_center);\
		6225	angle = Math.PI * (2 * data[p] / sum);\
		6226	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		6227	ctx.lineTo(x_center, y_center);\
		6228	ctx.fill();\
		6229	ctx.closePath();\
		6230	angle_end = angle_end + angle;\
		6231	};\
7956	schaersvoo	6232	if(typeof legend0 !== 'undefined'){\
		6233	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	6234	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6235	ctx.font = font_family;\
7614	schaersvoo	6236	var y_offset = font_size; \
		6237	var x_offset = 0;\
		6238	var txt;var txt_size;\
		6239	for(var p = 0; p < idx; p++){\
		6240	ctx.fillStyle = colors[p];\
7956	schaersvoo	6241	txt = legenda[p];\
7614	schaersvoo	6242	txt_size = ctx.measureText(txt).width;\
		6243	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6244	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6245	y_offset = parseInt(y_offset + 1.5*font_size);\
		6246	};\
		6247	};\
		6248	ctx.restore();\
7956	schaersvoo	6249	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6250
7614	schaersvoo	6251	break;
		6252	case DRAW_ARCS:
		6253	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6254	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	6255	ctx.save();\
		6256	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6257	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6258	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6259	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6260	start = 360 - start;\
		6261	end = 360 - end;\
7614	schaersvoo	6262	ctx.lineWidth = line_width;\
		6263	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6264	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6265	ctx.beginPath();\
		6266	ctx.moveTo(xc,yc);\
		6267	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6268	ctx.lineTo(xc,yc);\
		6269	ctx.closePath();\
7614	schaersvoo	6270	if( use_filled == 1 ){\
		6271	ctx.fill();\
8071	schaersvoo	6272	};\
		6273	ctx.stroke();\
7614	schaersvoo	6274	ctx.restore();\
8071	schaersvoo	6275	};");
8224	bpr	6276
7614	schaersvoo	6277	break;
7983	schaersvoo	6278	case DRAW_CENTERSTRING:
		6279	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6280	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6281	var obj;\
		6282	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6283	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6284	}\
		6285	else\
		6286	{\
		6287	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6288	};\
		6289	var ctx = obj.getContext(\"2d\");\
		6290	ctx.save();\
		6291	ctx.font = font_family;\
		6292	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6293	var stringwidth = ctx.measureText(text).width;\
		6294	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6295	ctx.fillText(text,x,y2px(y));\
		6296	return;\
		6297	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6298	break;
7614	schaersvoo	6299	case DRAW_TEXTS:
		6300	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6301	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	6302	var obj;\
		6303	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6304	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6305	}\
		6306	else\
		6307	{\
		6308	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6309	};\
		6310	var ctx = obj.getContext(\"2d\");\
		6311	if(angle2 == 0 && angle != 0){\
		6312	ctx.save();\
8071	schaersvoo	6313	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6314	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6315	};\
		6316	if( font_family.indexOf('px') != null ){\
		6317	ctx.font = font_family;\
		6318	}\
		6319	else\
		6320	{\
7956	schaersvoo	6321	ctx.font = font_family;\
7614	schaersvoo	6322	};\
		6323	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6324	if(angle2 != 0){\
		6325	ctx.save();\
		6326	ctx.translate(x,y);\
		6327	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6328	ctx.fillText(text,0,0);\
		6329	ctx.restore();\
		6330	}else{ctx.fillText(text,x,y);};\
		6331	ctx.restore();\
		6332	return;\
7653	schaersvoo	6333	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6334	break;
		6335	case DRAW_CURVE:
		6336	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6337	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	6338	var obj;\
		6339	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6340	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6341	}\
		6342	else\
		6343	{\
		6344	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6345	};\
		6346	var ctx = obj.getContext(\"2d\");\
		6347	ctx.save();\
8071	schaersvoo	6348	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6349	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6350	ctx.beginPath();ctx.lineWidth = line_width;\
		6351	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6352	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6353	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6354	for(var p = 1 ; p < x_points.length ; p++){\
		6355	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6356	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6357	}\
		6358	else\
		6359	{\
		6360	ctx.stroke();\
		6361	ctx.beginPath();\
		6362	p++;\
		6363	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6364	};\
		6365	};\
		6366	ctx.stroke();\
		6367	ctx.restore();\
7653	schaersvoo	6368	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6369	break;
8224	bpr	6370
7614	schaersvoo	6371	case DRAW_INPUTS:
		6372	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6373	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6374	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6375	var input = document.createElement(\"input\");\
		6376	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6377	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6378	input.setAttribute(\"size\",size);\
		6379	input.setAttribute(\"value\",value);\
7877	schaersvoo	6380	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6381	canvas_div.appendChild(input);};");
7614	schaersvoo	6382	break;
8224	bpr	6383
7614	schaersvoo	6384	case DRAW_TEXTAREAS:
		6385	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6386	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6387	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6388	var textarea = document.createElement(\"textarea\");\
		6389	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6390	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6391	textarea.setAttribute(\"cols\",cols);\
		6392	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6393	textarea.value = value;\
		6394	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6395	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6396	break;
8224	bpr	6397
7614	schaersvoo	6398	case DRAW_PIXELS:
		6399	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6400	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6401	var canvas = create_canvas%d(10,xsize,ysize);\
		6402	var d = 0.5*pixelsize;\
		6403	var ctx = canvas.getContext(\"2d\");\
		6404	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6405	ctx.clearRect(0,0,xsize,ysize);\
		6406	for(var p=0; p<x.length;p++){\
		6407	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6408	};\
		6409	ctx.fill();ctx.stroke();\
		6410	};",canvas_root_id);
		6411	break;
		6412
		6413	case DRAW_CLOCK:
		6414	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6415	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6416	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6417	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6418	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6419	clock_ctx.save();\
7997	schaersvoo	6420	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6421	this.type = type \|\| 0;\
		6422	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6423	this.H = H;\
		6424	this.M = M;\
		6425	this.S = S;\
8000	schaersvoo	6426	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6427	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6428	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6429	this.xc = xc \|\| xsize/2;\
		6430	this.yc = yc \|\| ysize/2;\
		6431	this.radius = radius \|\| xsize/4;\
		6432	var font_size = parseInt(0.2*this.radius);\
		6433	this.H_color = h_color \|\| \"blue\";\
		6434	this.M_color = m_color \|\| \"blue\";\
		6435	this.S_color = s_color \|\| \"blue\";\
		6436	this.fg_color = fg_color \|\| \"red\";\
		6437	this.bg_color = bg_color \|\| \"white\";\
		6438	clock_ctx.translate(this.xc,this.yc);\
		6439	clock_ctx.beginPath();\
		6440	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6441	clock_ctx.fillStyle = this.bg_color;\
		6442	clock_ctx.fill();\
		6443	clock_ctx.closePath();\
		6444	clock_ctx.beginPath();\
		6445	clock_ctx.font = font_size+\"px Arial\";\
		6446	clock_ctx.fillStyle = this.fg_color;\
		6447	clock_ctx.textAlign = \"center\";\
		6448	clock_ctx.textBaseline = 'middle';\
		6449	var angle;var x1,y1,x2,y2;\
		6450	var angle_cos;var angle_sin;\
7997	schaersvoo	6451	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6452	switch(type){\
		6453	case 0:clock_ctx.beginPath();\
		6454	for(var p = 1; p <= 12 ; p++){\
		6455	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6456	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6457	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6458	clock_ctx.moveTo(x1,y1);\
		6459	clock_ctx.lineTo(x2,y2);\
		6460	};\
		6461	for(var p = 1; p <= 60 ; p++){\
		6462	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6463	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6464	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6465	clock_ctx.moveTo(x1,y1);\
		6466	clock_ctx.lineTo(x2,y2);\
		6467	};\
		6468	clock_ctx.closePath();\
		6469	clock_ctx.stroke();\
		6470	break;\
		6471	case 1:\
		6472	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	6473	case 2:\
		6474	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	6475	clock_ctx.beginPath();\
		6476	for(var p = 1; p <= 12 ; p++){\
		6477	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6478	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6479	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6480	clock_ctx.moveTo(x1,y1);\
		6481	clock_ctx.lineTo(x2,y2);\
		6482	};\
		6483	for(var p = 1; p <= 60 ; p++){\
		6484	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6485	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6486	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6487	clock_ctx.moveTo(x1,y1);\
		6488	clock_ctx.lineTo(x2,y2);\
		6489	};\
		6490	clock_ctx.closePath();\
		6491	clock_ctx.stroke();\
		6492	break;\
		6493	};\
		6494	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6495	clock_ctx.rotate(angle);\
		6496	clock_ctx.beginPath();\
		6497	clock_ctx.moveTo(-3, -2);\
		6498	clock_ctx.lineTo(-3, 2);\
		6499	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6500	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6501	clock_ctx.fillStyle = this.H_color;\
		6502	clock_ctx.fill();\
		6503	clock_ctx.rotate(-angle);\
		6504	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6505	clock_ctx.rotate(angle);\
		6506	clock_ctx.beginPath();\
		6507	clock_ctx.moveTo(-3, -2);\
		6508	clock_ctx.lineTo(-3, 2);\
		6509	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6510	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6511	clock_ctx.fillStyle = this.M_color;\
		6512	clock_ctx.fill();\
		6513	clock_ctx.rotate(-angle);\
		6514	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6515	clock_ctx.rotate(angle);\
		6516	clock_ctx.beginPath();\
		6517	clock_ctx.moveTo(0,0);\
		6518	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6519	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6520	clock_ctx.strokeStyle = this.S_color;\
		6521	clock_ctx.stroke();\
		6522	clock_ctx.restore();\
7653	schaersvoo	6523	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6524	break;
		6525
		6526	case DRAW_LATTICE:
		6527	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6528	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	6529	var obj;\
		6530	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6531	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6532	}\
		6533	else\
		6534	{\
		6535	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6536	};\
		6537	var ctx = obj.getContext(\"2d\");\
		6538	ctx.save();\
8071	schaersvoo	6539	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6540	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6541	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6542	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6543	var radius = line_width;\
		6544	var x = 0;\
		6545	var y = 0;\
		6546	var x_step_px = xsize/(xmax-xmin);\
		6547	var y_step_px = ysize/(ymax-ymin);\
		6548	var xv1 = dx1*x_step_px;\
		6549	var yv1 = dy1*y_step_px;\
		6550	var xv2 = dx2*x_step_px;\
		6551	var yv2 = dy2*y_step_px;\
		6552	for(var p = 0; p < n1 ;p++){\
		6553	x = p*xv1 + x0;\
		6554	y = p*yv1 + y0;\
		6555	for(var c = 0; c < n2 ; c++){\
		6556	ctx.beginPath();\
		6557	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6558	ctx.fill();\
		6559	ctx.stroke();\
		6560	ctx.closePath();\
		6561	};\
		6562	};\
		6563	ctx.restore();\
		6564	return;\
7653	schaersvoo	6565	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6566	break;
7735	schaersvoo	6567	case DRAW_XYLOGSCALE:
		6568	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6569	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	6570	var obj;\
		6571	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6572	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6573	}\
		6574	else\
		6575	{\
		6576	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6577	};\
		6578	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6579	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6580	ctx.save();\
7739	schaersvoo	6581	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6582	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6583	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6584	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6585	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6586	if(use_axis_numbering == 1){\
7956	schaersvoo	6587	ctx.font = font_family;\
		6588	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6589	ymarge = parseInt(1.5*font_size);\
		6590	ctx.save();\
		6591	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6592	ctx.rect(0,0,xmarge,ysize);\
		6593	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6594	ctx.fill();\
		6595	ctx.restore();\
		6596	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6597	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6598	ctx.save();\
		6599	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6600	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6601	corr = ctx.measureText(xaxislabel).width;\
		6602	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6603	ctx.restore();\
		6604	};\
7735	schaersvoo	6605	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6606	ctx.save();\
		6607	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6608	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6609	corr = ctx.measureText(yaxislabel).width;\
		6610	ctx.translate(xmarge+font_size,corr+font_size);\
		6611	ctx.rotate(-0.5*Math.PI);\
		6612	ctx.fillText(yaxislabel,0,0);\
		6613	ctx.restore();\
		6614	};\
		6615	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6616	ctx.lineWidth = line_width;\
		6617	for(var p = x_min; p <= x_max ; p++){\
		6618	num = Math.pow(xlogbase,p);\
		6619	for(var i = 1 ; i < xlogbase ; i++){\
		6620	x_e = x2px(i*num);\
7735	schaersvoo	6621	if( i == 1 ){\
7956	schaersvoo	6622	ctx.lineWidth = line_width;\
		6623	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6624	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6625	xtxt = xlogbase+'^'+p.toFixed(0);\
		6626	corr = 0.5*(ctx.measureText(xtxt).width);\
		6627	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6628	};\
7735	schaersvoo	6629	}else{\
7956	schaersvoo	6630	ctx.lineWidth = 0.2*line_width;\
		6631	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6632	};\
7738	schaersvoo	6633	if( x_e >= xmarge ){\
7956	schaersvoo	6634	ctx.beginPath();\
		6635	ctx.moveTo(x_e,0);\
		6636	ctx.lineTo(x_e,ysize - ymarge);\
		6637	ctx.stroke();\
		6638	ctx.closePath();\
7738	schaersvoo	6639	};\
7956	schaersvoo	6640	};\
		6641	};\
		6642	for(var p = y_min; p <= y_max ; p++){\
		6643	num = Math.pow(ylogbase,p);\
		6644	for(var i = 1 ; i < ylogbase ; i++){\
		6645	y_e = y2px(i*num);\
		6646	if( i == 1 ){\
		6647	ctx.lineWidth = line_width;\
7735	schaersvoo	6648	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6649	if( use_axis_numbering == 1 && p > y_min){\
		6650	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6651	};\
		6652	}else{\
		6653	ctx.lineWidth = 0.2*line_width;\
		6654	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6655	};\
		6656	ctx.beginPath();\
		6657	ctx.moveTo(xmarge,y_e);\
		6658	ctx.lineTo(xsize,y_e);\
		6659	ctx.stroke();\
		6660	ctx.closePath();\
		6661	};\
		6662	};\
7735	schaersvoo	6663	ctx.restore();\
		6664	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6665	break;
7614	schaersvoo	6666
7735	schaersvoo	6667	case DRAW_XLOGSCALE:
		6668	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6669	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	6670	var obj;\
		6671	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6672	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6673	}\
		6674	else\
		6675	{\
		6676	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6677	};\
		6678	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6679	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6680	ctx.save();\
		6681	ctx.lineWidth = line_width;\
7739	schaersvoo	6682	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6683	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6684	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6685	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6686	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6687	if(use_axis_numbering == 1){\
7956	schaersvoo	6688	ctx.font = font_family;\
		6689	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6690	ymarge = parseInt(1.5*font_size);\
		6691	ctx.save();\
		6692	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6693	ctx.rect(0,0,xmarge,ysize);\
		6694	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6695	ctx.fill();\
		6696	ctx.restore();\
		6697	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6698	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6699	ctx.save();\
		6700	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6701	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6702	corr = ctx.measureText(xaxislabel).width;\
		6703	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6704	ctx.restore();\
		6705	};\
7739	schaersvoo	6706	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6707	ctx.save();\
		6708	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6709	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6710	corr = ctx.measureText(yaxislabel).width;\
		6711	ctx.translate(xmarge+font_size,corr+font_size);\
		6712	ctx.rotate(-0.5*Math.PI);\
		6713	ctx.fillText(yaxislabel,0,0);\
		6714	ctx.restore();\
		6715	};\
		6716	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6717	ctx.lineWidth = line_width;\
		6718	for(var p = x_min; p <= x_max ; p++){\
		6719	num = Math.pow(xlogbase,p);\
		6720	for(var i = 1 ; i < xlogbase ; i++){\
		6721	x_e = x2px(i*num);\
7735	schaersvoo	6722	if( i == 1 ){\
7956	schaersvoo	6723	ctx.lineWidth = line_width;\
7739	schaersvoo	6724	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6725	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6726	xtxt = xlogbase+'^'+p.toFixed(0);\
		6727	corr = 0.5*(ctx.measureText(xtxt).width);\
		6728	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6729	};\
		6730	}else{\
7956	schaersvoo	6731	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6732	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6733	};\
7739	schaersvoo	6734	if( x_e >= xmarge ){\
7956	schaersvoo	6735	ctx.beginPath();\
		6736	ctx.moveTo(x_e,0);\
		6737	ctx.lineTo(x_e,ysize - ymarge);\
		6738	ctx.stroke();\
		6739	ctx.closePath();\
7739	schaersvoo	6740	};\
		6741	};\
7956	schaersvoo	6742	};\
7735	schaersvoo	6743	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6744	var minor_step = stepy / yminor;\
7749	schaersvoo	6745	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6746	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6747	ctx.lineWidth = line_width;\
		6748	ctx.beginPath();\
		6749	ctx.moveTo(xmarge,y);\
		6750	ctx.lineTo(xsize,y);\
		6751	ctx.stroke();\
		6752	ctx.closePath();\
7735	schaersvoo	6753	if( use_axis_numbering == 1){\
		6754	ytxt = (px2y(y)).toFixed(prec);\
		6755	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6756	};\
		6757	for(var dy = 1 ; dy < yminor ; dy++){\
		6758	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6759	ctx.lineWidth = 0.2*line_width;\
		6760	ctx.beginPath();\
7739	schaersvoo	6761	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6762	ctx.lineTo(xsize,y+dy*minor_step);\
		6763	ctx.stroke();\
		6764	ctx.closePath();\
7735	schaersvoo	6765	};\
		6766	};\
7956	schaersvoo	6767	ctx.restore();\
		6768	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6769	break;
7729	schaersvoo	6770	case DRAW_YLOGSCALE:
		6771	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6772	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	6773	var obj;\
		6774	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6775	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6776	}\
		6777	else\
		6778	{\
		6779	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6780	};\
		6781	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6782	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6783	ctx.save();\
		6784	ctx.lineWidth = line_width;\
7735	schaersvoo	6785	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6786	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6787	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6788	if(use_axis_numbering == 1){\
7956	schaersvoo	6789	ctx.font = font_family;\
		6790	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6791	ymarge = 2*font_size;\
		6792	ctx.save();\
		6793	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6794	ctx.rect(0,0,xmarge,ysize);\
		6795	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6796	ctx.fill();\
		6797	ctx.restore();\
		6798	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6799	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6800	ctx.save();\
		6801	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6802	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6803	corr = ctx.measureText(xaxislabel).width;\
		6804	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6805	ctx.restore();\
		6806	};\
7739	schaersvoo	6807	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6808	ctx.save();\
		6809	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6810	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6811	corr = ctx.measureText(yaxislabel).width;\
		6812	ctx.translate(xmarge+font_size,corr+font_size);\
		6813	ctx.rotate(-0.5*Math.PI);\
		6814	ctx.fillText(yaxislabel,0,0);\
		6815	ctx.restore();\
		6816	};\
		6817	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6818	ctx.lineWidth = line_width;\
		6819	for(var p = y_min; p <= y_max ; p++){\
		6820	num = Math.pow(ylogbase,p);\
		6821	for(var i = 1 ; i < ylogbase ; i++){\
		6822	y_e = y2px(i*num);\
7729	schaersvoo	6823	if( i == 1 ){\
7956	schaersvoo	6824	ctx.lineWidth = line_width;\
7729	schaersvoo	6825	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6826	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6827	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6828	};\
		6829	}else{\
7956	schaersvoo	6830	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6831	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6832	};\
7956	schaersvoo	6833	ctx.beginPath();\
		6834	ctx.moveTo(xmarge,y_e);\
		6835	ctx.lineTo(xsize,y_e);\
		6836	ctx.stroke();\
		6837	ctx.closePath();\
		6838	};\
		6839	};\
7729	schaersvoo	6840	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6841	var minor_step = stepx / xminor;\
		6842	var prec = Math.log(precision)/Math.log(10);\
		6843	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6844	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6845	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6846	ctx.lineWidth = line_width;\
		6847	ctx.beginPath();\
		6848	ctx.moveTo(x,ysize-ymarge);\
		6849	ctx.lineTo(x,0);\
		6850	ctx.stroke();\
		6851	ctx.closePath();\
7729	schaersvoo	6852	if( use_axis_numbering == 1){\
		6853	xtxt = (px2x(x)).toFixed(prec);\
		6854	corr = 0.5*(ctx.measureText(xtxt).width);\
		6855	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6856	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6857	};\
		6858	for(var dx = 1 ; dx < xminor ; dx++){\
		6859	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6860	ctx.lineWidth = 0.2*line_width;\
		6861	ctx.beginPath();\
7739	schaersvoo	6862	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6863	ctx.lineTo(x+dx*minor_step,0);\
		6864	ctx.stroke();\
		6865	ctx.closePath();\
7735	schaersvoo	6866	};\
		6867	};\
7956	schaersvoo	6868	ctx.restore();\
		6869	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6870	break;
7614	schaersvoo	6871	default:break;
		6872	}
		6873	}
		6874	}
		6875	return;
		6876	}
		6877
		6878	void check_string_length(int L){
		6879	if(L<1 \|\| L > MAX_BUFFER-1){
		6880	canvas_error("problem with your arguments to command...");
		6881	}
		6882	return;
		6883	}
		6884
		6885
		6886	int get_token(FILE *infile){
		6887	int c,i=0;
		6888	char temp[MAX_INT], *input_type;
		6889	char *line="line",
		6890	*audio="audio",
		6891	*blink="blink",
		6892	*arrowhead="arrowhead",
		6893	*crosshairsize="crosshairsize",
		6894	*crosshair="crosshair",
		6895	*crosshairs="crosshairs",
		6896	*audioobject="audioobject",
		6897	*style="style",
		6898	*mouse="mouse",
7991	schaersvoo	6899	*mousex="mousex",
		6900	*mousey="mousey",
8071	schaersvoo	6901	*mouse_display="display",
		6902	*mouse_degree="mouse_degree",
7614	schaersvoo	6903	*userdraw="userdraw",
		6904	*highlight="highlight",
		6905	*http="http",
		6906	*rays="rays",
		6907	*dashtype="dashtype",
		6908	*dashed="dashed",
		6909	*filled="filled",
		6910	*lattice="lattice",
		6911	*parallel="parallel",
		6912	*segment="segment",
8299	schaersvoo	6913	*segments="segments",
7614	schaersvoo	6914	*dsegment="dsegment",
		6915	*seg="seg",
		6916	*bgimage="bgimage",
		6917	*bgcolor="bgcolor",
		6918	*strokecolor="strokecolor",
		6919	*backgroundimage="backgroundimage",
		6920	*text="text",
		6921	*textup="textup",
		6922	*mouseprecision="mouseprecision",
		6923	*precision="precision",
		6924	*plotsteps="plotsteps",
		6925	*plotstep="plotstep",
		6926	*tsteps="tsteps",
		6927	*curve="curve",
		6928	*dcurve="dcurve",
		6929	*plot="plot",
		6930	*dplot="dplot",
7788	schaersvoo	6931	*levelcurve="levelcurve",
7614	schaersvoo	6932	*fontsize="fontsize",
		6933	*fontcolor="fontcolor",
		6934	*axis="axis",
		6935	*axisnumbering="axisnumbering",
		6936	*axisnumbers="axisnumbers",
		6937	*arrow="arrow",
		6938	*darrow="darrow",
		6939	*arrow2="arrow2",
		6940	*darrow2="darrow2",
8304	schaersvoo	6941	*arrows="arrows",
8347	schaersvoo	6942	*arrows2="arrows2",
7614	schaersvoo	6943	*zoom="zoom",
		6944	*grid="grid",
		6945	*hline="hline",
7786	schaersvoo	6946	*dhline="dhline",
7614	schaersvoo	6947	*drag="drag",
		6948	*horizontalline="horizontalline",
		6949	*vline="vline",
7786	schaersvoo	6950	*dvline="dvline",
7614	schaersvoo	6951	*verticalline="verticalline",
		6952	*triangle="triangle",
		6953	*ftriangle="ftriangle",
		6954	*mathml="mathml",
		6955	*html="html",
		6956	*input="input",
8146	schaersvoo	6957	*clearbutton="clearbutton",
7614	schaersvoo	6958	*inputstyle="inputstyle",
		6959	*textarea="textarea",
		6960	*trange="trange",
		6961	*ranget="ranget",
		6962	*xrange="xrange",
		6963	*yrange="yrange",
		6964	*rangex="rangex",
		6965	*rangey="rangey",
		6966	*polyline="polyline",
8351	schaersvoo	6967	*polylines="polylines",
		6968	*brokenline="brokenline",
		6969	*brokenlines="brokenlines",
7614	schaersvoo	6970	*lines="lines",
		6971	*poly="poly",
		6972	*polygon="polygon",
		6973	*fpolygon="fpolygon",
		6974	*fpoly="fpoly",
		6975	*filledpoly="filledpoly",
		6976	*filledpolygon="filledpolygon",
		6977	*rect="rect",
		6978	*frect="frect",
		6979	*rectangle="rectangle",
		6980	*frectangle="frectangle",
		6981	*square="square",
		6982	*fsquare="fsquare",
		6983	*dline="dline",
		6984	*arc="arc",
		6985	*filledarc="filledarc",
		6986	*size="size",
		6987	*string="string",
		6988	*stringup="stringup",
		6989	*copy="copy",
		6990	*copyresized="copyresized",
		6991	*opacity="opacity",
		6992	*transparent="transparent",
		6993	*fill="fill",
		6994	*point="point",
		6995	*points="points",
		6996	*linewidth="linewidth",
		6997	*circle="circle",
8304	schaersvoo	6998	*circles="circles",
7614	schaersvoo	6999	*fcircle="fcircle",
		7000	*disk="disk",
		7001	*comment="#",
		7002	*end="end",
		7003	*ellipse="ellipse",
		7004	*fellipse="fellipse",
		7005	*rotate="rotate",
7785	schaersvoo	7006	*affine="affine",
		7007	*killaffine="killaffine",
7614	schaersvoo	7008	*fontfamily="fontfamily",
		7009	*fillcolor="fillcolor",
		7010	*clicktile="clicktile",
		7011	*clicktile_colors="clicktile_colors",
		7012	*translation="translation",
		7013	*translate="translate",
		7014	*killtranslation="killtranslation",
		7015	*killtranslate="killtranslate",
		7016	*onclick="onclick",
		7017	*roundrect="roundrect",
		7018	*froundrect="froundrect",
		7019	*roundrectangle="roundrectangle",
		7020	*patternfill="patternfill",
		7021	*hatchfill="hatchfill",
		7022	*diafill="diafill",
7647	schaersvoo	7023	*diamondfill="diamondfill",
7614	schaersvoo	7024	*dotfill="dotfill",
		7025	*gridfill="gridfill",
		7026	*imagefill="imagefill",
7735	schaersvoo	7027	*xlogbase="xlogbase",
		7028	*ylogbase="ylogbase",
7614	schaersvoo	7029	*xlogscale="xlogscale",
		7030	*ylogscale="ylogscale",
		7031	*xylogscale="xylogscale",
		7032	*intooltip="intooltip",
		7033	*replyformat="replyformat",
		7034	*floodfill="floodfill",
		7035	*filltoborder="filltoborder",
		7036	*clickfill="clickfill",
		7037	*setpixel="setpixel",
		7038	*pixels="pixels",
		7039	*pixelsize="pixelsize",
		7040	*clickfillmarge="clickfillmarge",
		7041	*xaxis="xaxis",
		7042	*yaxis="yaxis",
		7043	*xaxistext="xaxistext",
		7044	*yaxistext="yaxistext",
		7045	*piechart="piechart",
		7046	*legend="legend",
		7047	*legendcolors="legendcolors",
		7048	*xlabel="xlabel",
		7049	*ylabel="ylabel",
		7050	*barchart="barchart",
		7051	*linegraph="linegraph",
		7052	*clock="clock",
		7053	*animate="animate",
		7054	*video="video",
		7055	*status="status",
7877	schaersvoo	7056	*nostatus="nostatus",
7652	schaersvoo	7057	*snaptogrid="snaptogrid",
7784	schaersvoo	7058	*xsnaptogrid="xsnaptogrid",
		7059	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	7060	*userinput_xy="userinput_xy",
8193	schaersvoo	7061	*userinput_function="userinput_function",
7663	schaersvoo	7062	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	7063	*userinput="userinput",
7823	schaersvoo	7064	*jsmath="jsmath",
7858	schaersvoo	7065	*trace_jscurve="trace_jscurve",
7838	schaersvoo	7066	*setlimits="setlimits",
7858	schaersvoo	7067	*jscurve="jscurve",
		7068	*jsplot="jsplot",
7983	schaersvoo	7069	*sgraph="sgraph",
7984	schaersvoo	7070	*title="title",
7996	schaersvoo	7071	*centerstring="centerstring",
		7072	*xunit="xunit",
8071	schaersvoo	7073	*yunit="yunit",
8101	schaersvoo	7074	*slider="slider",
8105	schaersvoo	7075	*killslider="killslider",
8244	schaersvoo	7076	*angle="angle",
		7077	*halfline="halfline",
8297	schaersvoo	7078	*demiline="demiline",
		7079	*functionlabel="functionlabel";
7614	schaersvoo	7080
		7081	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		7082	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		7083	continue; /* white spaces or tabs allowed before first command identifier */
		7084	}
		7085	else
		7086	{
		7087	if( c == ' ' \|\| c == '\t' ){
		7088	break;
		7089	}
		7090	else
		7091	{
		7092	temp[i] = c;
		7093	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		7094	i++;
		7095	}
		7096	}
		7097	if(temp[0] == '#') break;
		7098	}
		7099	if (c == EOF) finished = 1;
		7100
		7101	if (c == '\n' \|\| c == '\r') {
		7102	line_number++;
		7103	if (i == 0) { return EMPTY; }
		7104	} else if (c == EOF) {
		7105	return 0;
		7106	}
		7107
		7108	temp[i]='\0';
		7109	input_type=(char*)my_newmem(strlen(temp));
		7110	snprintf(input_type,sizeof(temp),"%s",temp);
		7111
		7112	if( strcmp(input_type, size) == 0 ){
		7113	free(input_type);
		7114	return SIZE;
		7115	}
		7116	if( strcmp(input_type, xrange) == 0 ){
		7117	free(input_type);
		7118	return XRANGE;
		7119	}
		7120	if( strcmp(input_type, rangex) == 0 ){
		7121	free(input_type);
		7122	return XRANGE;
		7123	}
		7124	if( strcmp(input_type, trange) == 0 ){
		7125	free(input_type);
		7126	return TRANGE;
		7127	}
		7128	if( strcmp(input_type, ranget) == 0 ){
		7129	free(input_type);
		7130	return TRANGE;
		7131	}
		7132	if( strcmp(input_type, yrange) == 0 ){
		7133	free(input_type);
		7134	return YRANGE;
		7135	}
		7136	if( strcmp(input_type, rangey) == 0 ){
		7137	free(input_type);
		7138	return YRANGE;
		7139	}
		7140	if( strcmp(input_type, linewidth) == 0 ){
		7141	free(input_type);
		7142	return LINEWIDTH;
		7143	}
		7144	if( strcmp(input_type, dashed) == 0 ){
		7145	free(input_type);
		7146	return DASHED;
		7147	}
		7148	if( strcmp(input_type, dashtype) == 0 ){
		7149	free(input_type);
		7150	return DASHTYPE;
		7151	}
		7152	if( strcmp(input_type, axisnumbering) == 0 ){
		7153	free(input_type);
		7154	return AXIS_NUMBERING;
		7155	}
		7156	if( strcmp(input_type, axisnumbers) == 0 ){
		7157	free(input_type);
		7158	return AXIS_NUMBERING;
		7159	}
		7160	if( strcmp(input_type, axis) == 0 ){
		7161	free(input_type);
		7162	return AXIS;
		7163	}
		7164	if( strcmp(input_type, grid) == 0 ){
		7165	free(input_type);
		7166	return GRID;
		7167	}
		7168	if( strcmp(input_type, parallel) == 0 ){
		7169	free(input_type);
		7170	return PARALLEL;
		7171	}
		7172	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		7173	free(input_type);
		7174	return HLINE;
		7175	}
		7176	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		7177	free(input_type);
		7178	return VLINE;
		7179	}
		7180	if( strcmp(input_type, line) == 0 ){
		7181	free(input_type);
		7182	return LINE;
		7183	}
8299	schaersvoo	7184	if( strcmp(input_type, segments) == 0 ){
		7185	free(input_type);
		7186	return SEGMENTS;
		7187	}
7614	schaersvoo	7188	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		7189	free(input_type);
		7190	return SEGMENT;
		7191	}
		7192	if( strcmp(input_type, dsegment) == 0 ){
		7193	free(input_type);
		7194	use_dashed = TRUE;
		7195	return SEGMENT;
		7196	}
		7197	if( strcmp(input_type, crosshairsize) == 0 ){
		7198	free(input_type);
		7199	return CROSSHAIRSIZE;
		7200	}
		7201	if( strcmp(input_type, arrowhead) == 0 ){
		7202	free(input_type);
		7203	return ARROWHEAD;
		7204	}
		7205	if( strcmp(input_type, crosshairs) == 0 ){
		7206	free(input_type);
		7207	return CROSSHAIRS;
		7208	}
		7209	if( strcmp(input_type, crosshair) == 0 ){
		7210	free(input_type);
		7211	return CROSSHAIR;
		7212	}
		7213	if( strcmp(input_type, onclick) == 0 ){
		7214	free(input_type);
		7215	return ONCLICK;
		7216	}
		7217	if( strcmp(input_type, drag) == 0 ){
		7218	free(input_type);
		7219	return DRAG;
		7220	}
		7221	if( strcmp(input_type, userdraw) == 0 ){
		7222	free(input_type);
		7223	return USERDRAW;
		7224	}
		7225	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		7226	free(input_type);
		7227	return STYLE;
		7228	}
		7229	if( strcmp(input_type, fillcolor) == 0 ){
		7230	free(input_type);
		7231	return FILLCOLOR;
		7232	}
		7233	if( strcmp(input_type, strokecolor) == 0 ){
		7234	free(input_type);
		7235	return STROKECOLOR;
		7236	}
		7237	if( strcmp(input_type, filled) == 0 ){
		7238	free(input_type);
		7239	return FILLED;
		7240	}
		7241	if( strcmp(input_type, http) == 0 ){
		7242	free(input_type);
		7243	return HTTP;
		7244	}
		7245	if( strcmp(input_type, rays) == 0 ){
		7246	free(input_type);
		7247	return RAYS;
		7248	}
		7249	if( strcmp(input_type, lattice) == 0 ){
		7250	free(input_type);
		7251	return LATTICE;
		7252	}
		7253	if( strcmp(input_type, bgimage) == 0 ){
		7254	free(input_type);
		7255	return BGIMAGE;
		7256	}
		7257	if( strcmp(input_type, bgcolor) == 0 ){
		7258	free(input_type);
		7259	return BGCOLOR;
		7260	}
		7261	if( strcmp(input_type, backgroundimage) == 0 ){
		7262	free(input_type);
		7263	return BGIMAGE;
		7264	}
		7265	if( strcmp(input_type, text) == 0 ){
		7266	free(input_type);
		7267	return FLY_TEXT;
		7268	}
		7269	if( strcmp(input_type, textup) == 0 ){
		7270	free(input_type);
		7271	return FLY_TEXTUP;
		7272	}
		7273	if( strcmp(input_type, mouse) == 0 ){
		7274	free(input_type);
		7275	return MOUSE;
		7276	}
7991	schaersvoo	7277	if( strcmp(input_type, mousex) == 0 ){
		7278	free(input_type);
		7279	return MOUSEX;
		7280	}
		7281	if( strcmp(input_type, mousey) == 0 ){
		7282	free(input_type);
		7283	return MOUSEY;
		7284	}
8071	schaersvoo	7285	if( strcmp(input_type, mouse_degree) == 0 ){
		7286	free(input_type);
		7287	return MOUSE_DEGREE;
		7288	}
		7289	if( strcmp(input_type, mouse_display) == 0 ){
		7290	free(input_type);
		7291	return MOUSE_DISPLAY;
		7292	}
7614	schaersvoo	7293	if( strcmp(input_type, mouseprecision) == 0 ){
		7294	free(input_type);
		7295	return MOUSE_PRECISION;
		7296	}
		7297	if( strcmp(input_type, precision) == 0 ){
		7298	free(input_type);
		7299	return MOUSE_PRECISION;
		7300	}
		7301	if( strcmp(input_type, curve) == 0 ){
		7302	free(input_type);
		7303	return CURVE;
		7304	}
		7305	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7306	use_dashed = TRUE;
7614	schaersvoo	7307	free(input_type);
		7308	return CURVE;
		7309	}
		7310	if( strcmp(input_type, plot) == 0 ){
		7311	free(input_type);
		7312	return CURVE;
		7313	}
		7314	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7315	use_dashed = TRUE;
7614	schaersvoo	7316	free(input_type);
		7317	return CURVE;
		7318	}
7788	schaersvoo	7319	if( strcmp(input_type, levelcurve) == 0 ){
		7320	free(input_type);
		7321	return LEVELCURVE;
		7322	}
7614	schaersvoo	7323	if( strcmp(input_type, plotsteps) == 0 ){
		7324	free(input_type);
		7325	return PLOTSTEPS;
		7326	}
		7327	if( strcmp(input_type, plotstep) == 0 ){
		7328	free(input_type);
		7329	return PLOTSTEPS;
		7330	}
		7331	if( strcmp(input_type, tsteps) == 0 ){
		7332	free(input_type);
		7333	return PLOTSTEPS;
		7334	}
		7335	if( strcmp(input_type, fontsize) == 0 ){
		7336	free(input_type);
		7337	return FONTSIZE;
		7338	}
		7339	if( strcmp(input_type, fontcolor) == 0 ){
		7340	free(input_type);
		7341	return FONTCOLOR;
		7342	}
		7343	if( strcmp(input_type, arrow2) == 0 ){
		7344	free(input_type);
		7345	return ARROW2;
		7346	}
		7347	if( strcmp(input_type, darrow) == 0 ){
		7348	free(input_type);
8071	schaersvoo	7349	use_dashed = TRUE;
7614	schaersvoo	7350	return ARROW;
		7351	}
		7352	if( strcmp(input_type, darrow2) == 0 ){
		7353	free(input_type);
		7354	use_dashed = TRUE;
		7355	return ARROW2;
		7356	}
8347	schaersvoo	7357	if( strcmp(input_type, arrows2) == 0 ){
		7358	free(input_type);
		7359	return ARROWS2;
		7360	}
8304	schaersvoo	7361	if( strcmp(input_type, arrows) == 0 ){
		7362	free(input_type);
		7363	return ARROWS;
		7364	}
		7365	if( strcmp(input_type, arrow) == 0 ){
		7366	free(input_type);
		7367	return ARROW;
		7368	}
7614	schaersvoo	7369	if( strcmp(input_type, zoom) == 0 ){
		7370	free(input_type);
		7371	return ZOOM;
		7372	}
		7373	if( strcmp(input_type, triangle) == 0 ){
		7374	free(input_type);
		7375	return TRIANGLE;
		7376	}
		7377	if( strcmp(input_type, ftriangle) == 0 ){
		7378	free(input_type);
		7379	use_filled = TRUE;
		7380	return TRIANGLE;
		7381	}
		7382	if( strcmp(input_type, input) == 0 ){
		7383	free(input_type);
		7384	return INPUT;
		7385	}
		7386	if( strcmp(input_type, inputstyle) == 0 ){
		7387	free(input_type);
		7388	return INPUTSTYLE;
		7389	}
		7390	if( strcmp(input_type, textarea) == 0 ){
		7391	free(input_type);
		7392	return TEXTAREA;
		7393	}
		7394	if( strcmp(input_type, mathml) == 0 ){
		7395	free(input_type);
		7396	return MATHML;
		7397	}
		7398	if( strcmp(input_type, html) == 0 ){
		7399	free(input_type);
		7400	return MATHML;
		7401	}
		7402	if( strcmp(input_type, fontfamily) == 0 ){
		7403	free(input_type);
		7404	return FONTFAMILY;
		7405	}
8351	schaersvoo	7406	if( strcmp(input_type, polyline) == 0 \|\| strcmp(input_type, polylines) == 0 \|\| strcmp(input_type, brokenline) == 0 \|\| strcmp(input_type, brokenlines) == 0 ){
7614	schaersvoo	7407	free(input_type);
		7408	return POLYLINE;
		7409	}
8351	schaersvoo	7410	if( strcmp(input_type, lines) == 0 ){
		7411	free(input_type);
		7412	return LINES;
		7413	}
7614	schaersvoo	7414	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7415	free(input_type);
		7416	return RECT;
		7417	}
		7418	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7419	free(input_type);
		7420	return ROUNDRECT;
		7421	}
		7422	if( strcmp(input_type, froundrect) == 0 ){
		7423	free(input_type);
		7424	use_filled = TRUE;
		7425	return ROUNDRECT;
		7426	}
		7427	if( strcmp(input_type, square) == 0 ){
		7428	free(input_type);
		7429	return SQUARE;
		7430	}
		7431	if( strcmp(input_type, fsquare) == 0 ){
		7432	free(input_type);
		7433	use_filled = TRUE;
		7434	return SQUARE;
		7435	}
		7436	if( strcmp(input_type, dline) == 0 ){
		7437	use_dashed = TRUE;
		7438	free(input_type);
		7439	return LINE;
		7440	}
7786	schaersvoo	7441	if( strcmp(input_type, dvline) == 0 ){
		7442	use_dashed = TRUE;
		7443	free(input_type);
		7444	return VLINE;
		7445	}
		7446	if( strcmp(input_type, dhline) == 0 ){
		7447	use_dashed = TRUE;
		7448	free(input_type);
		7449	return HLINE;
		7450	}
7614	schaersvoo	7451	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7452	use_filled = TRUE;
		7453	free(input_type);
		7454	return RECT;
		7455	}
8304	schaersvoo	7456	if( strcmp(input_type, circles) == 0 ){
		7457	free(input_type);
		7458	return CIRCLES;
		7459	}
7614	schaersvoo	7460	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7461	use_filled = TRUE;
		7462	free(input_type);
		7463	return CIRCLE;
		7464	}
		7465	if( strcmp(input_type, circle) == 0 ){
		7466	free(input_type);
		7467	return CIRCLE;
		7468	}
		7469	if( strcmp(input_type, point) == 0 ){
		7470	free(input_type);
		7471	return POINT;
		7472	}
		7473	if( strcmp(input_type, points) == 0 ){
		7474	free(input_type);
		7475	return POINTS;
		7476	}
		7477	if( strcmp(input_type, filledarc) == 0 ){
		7478	use_filled = TRUE;
		7479	free(input_type);
		7480	return ARC;
		7481	}
		7482	if( strcmp(input_type, arc) == 0 ){
		7483	free(input_type);
		7484	return ARC;
		7485	}
		7486	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7487	free(input_type);
		7488	return POLY;
		7489	}
		7490	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7491	use_filled = TRUE;
		7492	free(input_type);
		7493	return POLY;
		7494	}
		7495	if( strcmp(input_type, ellipse) == 0){
		7496	free(input_type);
		7497	return ELLIPSE;
		7498	}
		7499	if( strcmp(input_type, fill) == 0 ){
		7500	free(input_type);
		7501	return FLOODFILL;
		7502	}
		7503	if( strcmp(input_type, string) == 0 ){
		7504	free(input_type);
		7505	return STRING;
		7506	}
		7507	if( strcmp(input_type, stringup) == 0 ){
		7508	free(input_type);
		7509	return STRINGUP;
		7510	}
		7511	if( strcmp(input_type, opacity) == 0 ){
		7512	free(input_type);
		7513	return OPACITY;
		7514	}
		7515	if( strcmp(input_type, comment) == 0){
		7516	free(input_type);
		7517	return COMMENT;
		7518	}
		7519	if( strcmp(input_type, end) == 0){
		7520	free(input_type);
		7521	return END;
		7522	}
		7523	if( strcmp(input_type, fellipse) == 0){
		7524	free(input_type);
		7525	use_filled = TRUE;
		7526	return ELLIPSE;
8224	bpr	7527	}
7614	schaersvoo	7528	if( strcmp(input_type, blink) == 0 ){
		7529	free(input_type);
		7530	return BLINK;
		7531	}
8146	schaersvoo	7532	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7533	free(input_type);
8146	schaersvoo	7534	return CLEARBUTTON;
7614	schaersvoo	7535	}
		7536	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7537	free(input_type);
		7538	return TRANSLATION;
		7539	}
		7540	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7541	free(input_type);
		7542	return KILLTRANSLATION;
		7543	}
		7544	if( strcmp(input_type, rotate) == 0){
		7545	free(input_type);
		7546	return ROTATE;
		7547	}
7785	schaersvoo	7548	if( strcmp(input_type, affine) == 0){
		7549	free(input_type);
		7550	return AFFINE;
		7551	}
		7552	if( strcmp(input_type, killaffine) == 0){
		7553	free(input_type);
		7554	return KILLAFFINE;
		7555	}
7614	schaersvoo	7556	if( strcmp(input_type, audio) == 0 ){
		7557	free(input_type);
		7558	return AUDIO;
		7559	}
		7560	if( strcmp(input_type, audioobject) == 0 ){
		7561	free(input_type);
		7562	return AUDIOOBJECT;
		7563	}
		7564	if( strcmp(input_type, slider) == 0 ){
		7565	free(input_type);
		7566	return SLIDER;
		7567	}
8101	schaersvoo	7568	if( strcmp(input_type, killslider) == 0 ){
		7569	free(input_type);
		7570	return KILLSLIDER;
		7571	}
7614	schaersvoo	7572	if( strcmp(input_type, copy) == 0 ){
		7573	free(input_type);
		7574	return COPY;
		7575	}
		7576	if( strcmp(input_type, copyresized) == 0 ){
		7577	free(input_type);
		7578	return COPYRESIZED;
		7579	}
		7580	if( strcmp(input_type, patternfill) == 0 ){
		7581	free(input_type);
		7582	return PATTERNFILL;
		7583	}
		7584	if( strcmp(input_type, hatchfill) == 0 ){
		7585	free(input_type);
		7586	return HATCHFILL;
		7587	}
7647	schaersvoo	7588	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7589	free(input_type);
7647	schaersvoo	7590	return DIAMONDFILL;
7614	schaersvoo	7591	}
		7592	if( strcmp(input_type, dotfill) == 0 ){
		7593	free(input_type);
		7594	return DOTFILL;
		7595	}
		7596	if( strcmp(input_type, gridfill) == 0 ){
		7597	free(input_type);
		7598	return GRIDFILL;
		7599	}
		7600	if( strcmp(input_type, imagefill) == 0 ){
		7601	free(input_type);
		7602	return IMAGEFILL;
		7603	}
		7604	if( strcmp(input_type, clicktile_colors) == 0 ){
		7605	free(input_type);
		7606	return CLICKTILE_COLORS;
		7607	}
		7608	if( strcmp(input_type, clicktile) == 0 ){
		7609	free(input_type);
		7610	return CLICKTILE;
		7611	}
		7612	if( strcmp(input_type, xlogscale) == 0 ){
		7613	free(input_type);
		7614	return XLOGSCALE;
		7615	}
		7616	if( strcmp(input_type, ylogscale) == 0 ){
		7617	free(input_type);
		7618	return YLOGSCALE;
		7619	}
		7620	if( strcmp(input_type, xylogscale) == 0 ){
		7621	free(input_type);
		7622	return XYLOGSCALE;
		7623	}
		7624	if( strcmp(input_type, ylogscale) == 0 ){
		7625	free(input_type);
		7626	return YLOGSCALE;
		7627	}
7735	schaersvoo	7628	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7629	free(input_type);
7735	schaersvoo	7630	return XLOGBASE;
7614	schaersvoo	7631	}
7735	schaersvoo	7632	if( strcmp(input_type, ylogbase) == 0 ){
		7633	free(input_type);
		7634	return YLOGBASE;
		7635	}
7614	schaersvoo	7636	if( strcmp(input_type, intooltip) == 0 ){
		7637	free(input_type);
		7638	return INTOOLTIP;
		7639	}
		7640	if( strcmp(input_type,video) == 0 ){
		7641	free(input_type);
		7642	return VIDEO;
		7643	}
		7644	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7645	free(input_type);
		7646	return FLOODFILL;
8224	bpr	7647	}
7614	schaersvoo	7648	if( strcmp(input_type,filltoborder) == 0 ){
		7649	free(input_type);
		7650	return FILLTOBORDER;
8224	bpr	7651	}
7614	schaersvoo	7652	if( strcmp(input_type,clickfill) == 0 ){
		7653	free(input_type);
		7654	return CLICKFILL;
8224	bpr	7655	}
7614	schaersvoo	7656	if( strcmp(input_type, replyformat) == 0 ){
		7657	free(input_type);
		7658	return REPLYFORMAT;
		7659	}
		7660	if( strcmp(input_type, pixelsize) == 0 ){
		7661	free(input_type);
		7662	return PIXELSIZE;
		7663	}
		7664	if( strcmp(input_type, setpixel) == 0 ){
		7665	free(input_type);
		7666	return SETPIXEL;
		7667	}
		7668	if( strcmp(input_type, pixels) == 0 ){
		7669	free(input_type);
		7670	return PIXELS;
		7671	}
		7672	if( strcmp(input_type, clickfillmarge) == 0 ){
		7673	free(input_type);
		7674	return CLICKFILLMARGE;
		7675	}
		7676	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7677	free(input_type);
		7678	return X_AXIS_STRINGS;
		7679	}
		7680	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7681	free(input_type);
		7682	return Y_AXIS_STRINGS;
		7683	}
		7684	if( strcmp(input_type, piechart) == 0 ){
		7685	free(input_type);
		7686	return PIECHART;
		7687	}
		7688	if( strcmp(input_type, barchart) == 0 ){
		7689	free(input_type);
		7690	return BARCHART;
		7691	}
		7692	if( strcmp(input_type, linegraph) == 0 ){
		7693	free(input_type);
		7694	return LINEGRAPH;
		7695	}
		7696	if( strcmp(input_type, clock) == 0 ){
		7697	free(input_type);
		7698	return CLOCK;
		7699	}
		7700	if( strcmp(input_type, legend) == 0 ){
		7701	free(input_type);
		7702	return LEGEND;
		7703	}
		7704	if( strcmp(input_type, legendcolors) == 0 ){
		7705	free(input_type);
		7706	return LEGENDCOLORS;
		7707	}
		7708	if( strcmp(input_type, xlabel) == 0 ){
		7709	free(input_type);
		7710	return XLABEL;
		7711	}
		7712	if( strcmp(input_type, ylabel) == 0 ){
		7713	free(input_type);
		7714	return YLABEL;
		7715	}
		7716	if( strcmp(input_type, animate) == 0 ){
		7717	free(input_type);
		7718	return ANIMATE;
		7719	}
		7720	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7721	if( strcmp(input_type, transparent) == 0 ){
		7722	free(input_type);
		7723	return TRANSPARENT;
		7724	}
7877	schaersvoo	7725	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7726	free(input_type);
		7727	return STATUS;
		7728	}
		7729	if( strcmp(input_type, snaptogrid) == 0 ){
		7730	free(input_type);
		7731	return SNAPTOGRID;
		7732	}
7784	schaersvoo	7733	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7734	free(input_type);
		7735	return XSNAPTOGRID;
		7736	}
		7737	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7738	free(input_type);
		7739	return YSNAPTOGRID;
		7740	}
7652	schaersvoo	7741	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7742	free(input_type);
7652	schaersvoo	7743	return USERINPUT_XY;
		7744	}
8193	schaersvoo	7745	if( strcmp(input_type, userinput_function) == 0 ){
		7746	free(input_type);
		7747	return USERINPUT_FUNCTION;
		7748	}
7663	schaersvoo	7749	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7750	free(input_type);
		7751	return USERTEXTAREA_XY;
		7752	}
8222	schaersvoo	7753	if( strcmp(input_type, userinput) == 0 ){
		7754	free(input_type);
		7755	return USERINPUT;
		7756	}
7654	schaersvoo	7757	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7758	free(input_type);
7654	schaersvoo	7759	return SGRAPH;
		7760	}
7823	schaersvoo	7761	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7762	free(input_type);
7823	schaersvoo	7763	return JSMATH;
		7764	}
7858	schaersvoo	7765	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7766	free(input_type);
7858	schaersvoo	7767	return TRACE_JSCURVE;
7823	schaersvoo	7768	}
7858	schaersvoo	7769	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7770	free(input_type);
		7771	return JSCURVE;
		7772	}
7984	schaersvoo	7773	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7774	free(input_type);
		7775	return CENTERSTRING;
		7776	}
7838	schaersvoo	7777	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7778	free(input_type);
7838	schaersvoo	7779	return SETLIMITS;
		7780	}
7996	schaersvoo	7781	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7782	free(input_type);
7996	schaersvoo	7783	return XUNIT;
		7784	}
		7785	if( strcmp(input_type, yunit) == 0 ){
		7786	free(input_type);
		7787	return YUNIT;
		7788	}
8105	schaersvoo	7789	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7790	free(input_type);
8105	schaersvoo	7791	return ANGLE;
		7792	}
8244	schaersvoo	7793	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7794	free(input_type);
8244	schaersvoo	7795	return HALFLINE;
		7796	}
8297	schaersvoo	7797	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	7798	free(input_type);
8297	schaersvoo	7799	return FUNCTION_LABEL;
		7800	}
		7801	free(input_type);
7614	schaersvoo	7802	ungetc(c,infile);
		7803	return 0;
		7804	}
7856	schaersvoo	7805

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8351