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
8358	schaersvoo	1161	@ keyword (no arguments required) needs to be defined before command 'userdraw' and after command 'grid'
7614	schaersvoo	1162	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
8358	schaersvoo	1163	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
7784	schaersvoo	1164	@ 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	1165	*/
7881	schaersvoo	1166	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	1167	break;
7784	schaersvoo	1168	case XSNAPTOGRID:
		1169	/*
		1170	@ xsnaptogrid
8358	schaersvoo	1171	@ keyword (no arguments required) needs to be defined before command 'userdraw' and after command 'grid'
7784	schaersvoo	1172	@ in case of userdraw the drawn points will snap to xmajor grid
8358	schaersvoo	1173	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
7856	schaersvoo	1174	@ 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	1175	*/
7881	schaersvoo	1176	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	1177	break;
		1178	case YSNAPTOGRID:
		1179	/*
		1180	@ ysnaptogrid
8358	schaersvoo	1181	@ keyword (no arguments required) needs to be defined before command 'userdraw' and after command 'grid'
7784	schaersvoo	1182	@ in case of userdraw the drawn points will snap to ymajor grid
8358	schaersvoo	1183	@ if you do not want a visible grid, but you only want a 'snaptogrid' with some value...define this grid with opacity 0.
7856	schaersvoo	1184	@ 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	1185	*/
7881	schaersvoo	1186	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1187	break;
8222	schaersvoo	1188	case USERINPUT:
		1189	/*
		1190	@ userinput function \| textarea \| inputfield
		1191	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1192	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1193	@ function may be used any time (e.g. without userdraw)
8297	schaersvoo	1194	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		1195	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
		1196	@ the userinput for the function will be corrected by a simple 'rawmath' implementation...
8222	schaersvoo	1197	*/
		1198	temp = get_string_argument(infile,1);
		1199	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1200	if( js_function[DRAW_JSFUNCTION] != 1 ){
8297	schaersvoo	1201	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
8222	schaersvoo	1202	js_function[DRAW_JSFUNCTION] = 1;
		1203	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1204	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	1205	input_cnt++;
		1206	}
8297	schaersvoo	1207	else
		1208	{
		1209	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1210	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]);
		1211	input_cnt++;
		1212	}
8222	schaersvoo	1213	if( use_js_math == FALSE){/* add this stuff only once...*/
		1214	add_to_js_math(js_include_file);
		1215	use_js_math = TRUE;
		1216	}
		1217	if( use_js_plot == FALSE){
		1218	use_js_plot = TRUE;
		1219	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1220	}
		1221	}
		1222	else
		1223	{
		1224	if(strstr(temp,"inputfield") != 0 ){
		1225	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1226	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1227	use_input_xy = 1;
		1228	}
		1229	else
		1230	{
		1231	if(strstr(temp,"textarea") != 0 ){
		1232	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1233	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1234	use_input_xy = 2;
		1235	}
		1236	else
		1237	{
		1238	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1239	}
		1240	}
		1241	}
		1242	break;
7663	schaersvoo	1243	case USERTEXTAREA_XY:
		1244	/*
		1245	@ usertextarea_xy
8224	bpr	1246	@ keyword
7663	schaersvoo	1247	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1248	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1249	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1250	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1251	*/
7856	schaersvoo	1252	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1253	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1254	use_input_xy = 2;
		1255	break;
7652	schaersvoo	1256	case USERINPUT_XY:
		1257	/*
		1258	@ userinput_xy
8224	bpr	1259	@ keyword
7652	schaersvoo	1260	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1261	@ 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	1262	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1263	@ 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	1264	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1265	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1266	*/
7749	schaersvoo	1267	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1268	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1269	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1270	use_input_xy = 1;
		1271	break;
8297	schaersvoo	1272	case FUNCTION_LABEL:
8322	schaersvoo	1273	/*
		1274	@ functionlabel 'some string'
		1275	@ default value "f(x)="
		1276	@ no mathml allowed (just ascii string)
		1277	@ if needed, use before every command 'userinput function \| inputfield \| textarea'
		1278	*/
8297	schaersvoo	1279	function_label = get_string_argument(infile,1);
		1280	break;
8193	schaersvoo	1281	case USERINPUT_FUNCTION:
		1282	/*
		1283	@ userinput_function
		1284	@ keyword
		1285	@ if set , a inputfield will be added to the page
8297	schaersvoo	1286	@ repeat keyword for more function input fields
8193	schaersvoo	1287	@ the userinput value will be plotted in the canvas
		1288	@ 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
		1289	@ 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
		1290	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1291	*/
8224	bpr	1292	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1293	js_function[DRAW_JSFUNCTION] = 1;
8297	schaersvoo	1294	add_rawmath(js_include_file);
8193	schaersvoo	1295	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1296	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	1297	input_cnt++;
		1298	}
8297	schaersvoo	1299	else
		1300	{
		1301	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1302	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]);
		1303	input_cnt++;
		1304	}
8193	schaersvoo	1305	if( use_js_math == FALSE){/* add this stuff only once...*/
		1306	add_to_js_math(js_include_file);
		1307	use_js_math = TRUE;
		1308	}
		1309	if( use_js_plot == FALSE){
		1310	use_js_plot = TRUE;
		1311	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1312	}
		1313	break;
7614	schaersvoo	1314	case USERDRAW:
		1315	/*
		1316	@ userdraw object_type,color
8244	schaersvoo	1317	@ 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	1318	@ 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	1319	@ 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	1320	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1321	@ 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)
		1322	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1323	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1324	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1325	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1326	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1327	@ 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	1328	*/
		1329	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1330	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1331	}
8074	schaersvoo	1332	reply_precision = precision;
7614	schaersvoo	1333	use_userdraw = TRUE;
8130	schaersvoo	1334	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	1335	draw_type = get_string_argument(infile,0);
		1336	stroke_color = get_color(infile,1);
		1337	if( strcmp(draw_type,"point") == 0 ){
		1338	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1339	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1340	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1341	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1342	if(use_input_xy == 1){
7652	schaersvoo	1343	add_input_circle(js_include_file,1,1);
		1344	add_input_xy(js_include_file,canvas_root_id);
		1345	}
7614	schaersvoo	1346	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);
		1347	}
		1348	else
		1349	if( strcmp(draw_type,"points") == 0 ){
		1350	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1351	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1352	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1353	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1354	if(use_input_xy == 1){
7652	schaersvoo	1355	add_input_circle(js_include_file,1,2);
		1356	add_input_xy(js_include_file,canvas_root_id);
		1357	}
7614	schaersvoo	1358	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);
		1359	}
		1360	else
		1361	if( strcmp(draw_type,"segment") == 0 ){
		1362	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1363	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1364	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1365	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1366	if(use_input_xy == 1){
7652	schaersvoo	1367	add_input_segment(js_include_file,1);
		1368	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1369	}
7614	schaersvoo	1370	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1371	}
		1372	else
7663	schaersvoo	1373	if( strcmp(draw_type,"polyline") == 0 ){
		1374	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1375	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1376	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1377	if( use_input_xy == 1 ){
		1378	add_input_polyline(js_include_file);
		1379	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1380	}
		1381	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1382	}
		1383	else
7614	schaersvoo	1384	if( strcmp(draw_type,"segments") == 0 ){
		1385	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1386	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1387	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1388	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1389	if(use_input_xy == 1){
7652	schaersvoo	1390	add_input_segment(js_include_file,2);
		1391	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1392	}
7614	schaersvoo	1393	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1394	}
		1395	else
		1396	if( strcmp(draw_type,"circle") == 0 ){
		1397	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1398	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1399	/* 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	1400	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1401	if(use_input_xy == 1){
7652	schaersvoo	1402	add_input_circle(js_include_file,2,1);
		1403	add_input_xyr(js_include_file,canvas_root_id);
		1404	}
7614	schaersvoo	1405	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]);
		1406	}
		1407	else
		1408	if( strcmp(draw_type,"circles") == 0 ){
		1409	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1410	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1411	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1412	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	1413	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1414	if(use_input_xy == 1){
7652	schaersvoo	1415	add_input_circle(js_include_file,2,2);
		1416	add_input_xyr(js_include_file,canvas_root_id);
		1417	}
7614	schaersvoo	1418	}
		1419	else
		1420	if(strcmp(draw_type,"crosshair") == 0 ){
		1421	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1422	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1423	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1424	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1425	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1426	if(use_input_xy == 1){
7654	schaersvoo	1427	add_input_crosshair(js_include_file,1);
		1428	add_input_xy(js_include_file,canvas_root_id);
		1429	}
7614	schaersvoo	1430	}
		1431	else
		1432	if(strcmp(draw_type,"crosshairs") == 0 ){
		1433	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1434	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1435	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1436	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1437	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1438	if(use_input_xy == 1){
7654	schaersvoo	1439	add_input_crosshair(js_include_file,2);
		1440	add_input_xy(js_include_file,canvas_root_id);
		1441	}
7614	schaersvoo	1442	}
		1443	else
		1444	if(strcmp(draw_type,"freehandline") == 0 ){
		1445	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1446	if(reply_format == 0){reply_format = 6;}
8224	bpr	1447	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	1448	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1449	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1450	}
		1451	else
		1452	if(strcmp(draw_type,"freehandlines") == 0 ){
		1453	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1454	if(reply_format == 0){reply_format = 6;}
8224	bpr	1455	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	1456	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1457	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1458	}
		1459	else
		1460	if(strcmp(draw_type,"path") == 0 ){
		1461	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1462	if(reply_format == 0){reply_format = 6;}
8224	bpr	1463	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	1464	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1465	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1466	}
		1467	else
		1468	if(strcmp(draw_type,"paths") == 0 ){
		1469	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1470	if(reply_format == 0){reply_format = 6;}
8224	bpr	1471	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	1472	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1473	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1474	}
		1475	else
		1476	if(strcmp(draw_type,"arrows") == 0 ){
		1477	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1478	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1479	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	1480	if(use_input_xy == 1){
7654	schaersvoo	1481	add_input_arrow(js_include_file,2);
		1482	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1483	}
8071	schaersvoo	1484	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1485	}
		1486	else
7874	schaersvoo	1487	if(strcmp(draw_type,"arrows2") == 0 ){
		1488	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1489	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1490	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	1491	if(use_input_xy == 1){
7874	schaersvoo	1492	add_input_arrow(js_include_file,1);
		1493	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1494	}
8071	schaersvoo	1495	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1496	}
		1497	else
		1498	if(strcmp(draw_type,"arrow2") == 0 ){
		1499	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1500	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1501	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	1502	if(use_input_xy == 1){
7874	schaersvoo	1503	add_input_arrow(js_include_file,1);
		1504	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1505	}
8071	schaersvoo	1506	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1507	}
		1508	else
7614	schaersvoo	1509	if(strcmp(draw_type,"arrow") == 0 ){
		1510	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1511	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1512	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	1513	if(use_input_xy == 1){
7654	schaersvoo	1514	add_input_arrow(js_include_file,1);
		1515	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1516	}
8071	schaersvoo	1517	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1518	}
		1519	else
		1520	if(strcmp(draw_type,"polygon") == 0){
		1521	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1522	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1523	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	1524	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1525	if(use_input_xy == 2){
7780	schaersvoo	1526	add_textarea_polygon(js_include_file);
		1527	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1528	}
7614	schaersvoo	1529	}
8224	bpr	1530	else
7614	schaersvoo	1531	if(strncmp(draw_type,"poly",4) == 0){
		1532	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1533	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1534	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1535	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	1536	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1537	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1538	}
8224	bpr	1539	else
7614	schaersvoo	1540	if(strcmp(draw_type,"triangle") == 0){
		1541	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1542	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1543	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	1544	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1545	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1546	}
8224	bpr	1547	else
7989	schaersvoo	1548	if( strcmp(draw_type,"hline") == 0 ){
		1549	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1550	if(reply_format == 0){reply_format = 11;}
		1551	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1552	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1553	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1554	}
		1555	else
		1556	if( strcmp(draw_type,"hlines") == 0 ){
		1557	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1558	if(reply_format == 0){reply_format = 11;}
		1559	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1560	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1561	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1562	}
		1563	else
		1564	if( strcmp(draw_type,"vline") == 0 ){
		1565	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1566	if(reply_format == 0){reply_format = 11;}
		1567	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1568	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1569	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1570	}
		1571	else
		1572	if( strcmp(draw_type,"vlines") == 0 ){
		1573	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1574	if(reply_format == 0){reply_format = 11;}
		1575	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1576	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1577	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1578	}
		1579	else
7614	schaersvoo	1580	if( strcmp(draw_type,"line") == 0 ){
		1581	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1582	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1583	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1584	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1585	if( use_input_xy == 1 ){
7780	schaersvoo	1586	add_input_line(js_include_file,1);
7747	schaersvoo	1587	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1588	}
8071	schaersvoo	1589	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1590	}
		1591	else
		1592	if( strcmp(draw_type,"lines") == 0 ){
		1593	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1594	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1595	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1596	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1597	if( use_input_xy == 1 ){
7780	schaersvoo	1598	add_input_line(js_include_file,2);
7747	schaersvoo	1599	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1600	}
8071	schaersvoo	1601	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1602	}
		1603	else
8244	schaersvoo	1604	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1605	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1606	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1607	if(reply_format == 0){reply_format = 11;}
		1608	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1609	if( use_input_xy == 1 ){
		1610	add_input_demiline(js_include_file,2);
		1611	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1612	}
		1613	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1614	}
		1615	else
		1616	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1617	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1618	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1619	if(reply_format == 0){reply_format = 11;}
		1620	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1621	if( use_input_xy == 1 ){
		1622	add_input_demiline(js_include_file,1);
		1623	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1624	}
		1625	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1626	}
		1627	else
7614	schaersvoo	1628	if( strcmp(draw_type,"rects") == 0){
		1629	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1630	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1631	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	1632	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1633	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1634	}
8224	bpr	1635	else
7614	schaersvoo	1636	if( strcmp(draw_type,"roundrects") == 0){
		1637	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1638	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1639	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	1640	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1641	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1642	}
8224	bpr	1643	else
7614	schaersvoo	1644	if( strcmp(draw_type,"rect") == 0){
		1645	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1646	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1647	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	1648	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1649	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1650	}
8224	bpr	1651	else
7614	schaersvoo	1652	if( strcmp(draw_type,"roundrect") == 0){
		1653	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1654	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1655	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	1656	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1657	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1658	}
		1659	else
8083	schaersvoo	1660	if( strcmp(draw_type,"arcs") == 0){
		1661	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1662	if(reply_format == 0){reply_format = 25;}
		1663	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]);
		1664	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1665	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1666	}
		1667	else
8071	schaersvoo	1668	if( strcmp(draw_type,"arc") == 0){
		1669	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1670	if(reply_format == 0){reply_format = 25;}
		1671	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	1672	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1673	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1674	}
		1675	else
7614	schaersvoo	1676	if( strcmp(draw_type,"text") == 0){
8224	bpr	1677	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1678	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1679	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1680	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1681	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1682	}
8116	schaersvoo	1683	else
		1684	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1685	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1686	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1687	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1688	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1689	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1690	}
		1691	else
		1692	if( strcmp(draw_type,"input") == 0){
8224	bpr	1693	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1694	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1695	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1696	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1697	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1698	}
8193	schaersvoo	1699	else
7614	schaersvoo	1700	{
		1701	canvas_error("unknown drawtype or typo? ");
		1702	}
		1703	reset();
		1704	break;
		1705	case PLOTSTEPS:
		1706	/*
		1707	@ plotsteps a_number
		1708	@ default 150
		1709	@ use with care !
		1710	*/
		1711	plot_steps = (int) (get_real(infile,1));
		1712	break;
		1713	case FONTSIZE:
		1714	/*
		1715	@fontsize font_size
		1716	@default value 12
		1717	*/
		1718	font_size = (int) (get_real(infile,1));
		1719	break;
		1720	case FONTCOLOR:
		1721	/*
		1722	@fontcolor color
		1723	@color: hexcolor or colorname
		1724	@default: black
		1725	@example usage: x/y-axis text
		1726	*/
		1727	font_color = get_color(infile,1);
		1728	break;
		1729	case ANIMATE:
		1730	/*
		1731	@animate type
8109	schaersvoo	1732	@REMOVED : this should be done with a slider
7614	schaersvoo	1733	@type may be "point" (nothing else , yet...)
		1734	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1735	@will animate a point on the next plot/curve command
		1736	@the curve will not be draw
		1737	@moves repeatedly from xmin to xmax
		1738	*/
		1739	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1740	break;
7788	schaersvoo	1741	case LEVELCURVE:
		1742	/*
		1743	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1744	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1745	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1746	@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
		1747	@note : the arrays for holding the javascript data are limited in size
		1748	@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	1749	*/
7792	schaersvoo	1750	fill_color = get_color(infile,0);
7788	schaersvoo	1751	char *fun1 = get_string_argument(infile,0);
		1752	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1753	i = 0;
		1754	done = FALSE;
		1755	while( !done ){
		1756	double_data[i] = get_real(infile,1);
		1757	i++;
		1758	}
		1759	for(c = 0 ; c < i; c++){
8097	schaersvoo	1760	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	1761	click_cnt++;
		1762	}
		1763	reset();
		1764	break;
7858	schaersvoo	1765	case TRACE_JSCURVE:
7823	schaersvoo	1766	/*
7858	schaersvoo	1767	@trace_jscurve some_math_function
7823	schaersvoo	1768	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1769	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1770	@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	1771	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1772	@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	1773	*/
		1774	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1775	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1776	if( use_js_math == FALSE){
		1777	add_to_js_math(js_include_file);
		1778	use_js_math = TRUE;
		1779	}
7823	schaersvoo	1780	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);
		1781	break;
		1782	case JSMATH:
		1783	/*
7858	schaersvoo	1784	@jsmath some_math_function
7856	schaersvoo	1785	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1786	@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	1787	@example: jsmath sin(x^2)
		1788	@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	1789	*/
		1790	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1791	if( use_js_math == FALSE){
		1792	add_to_js_math(js_include_file);
		1793	use_js_math = TRUE;
		1794	}
7823	schaersvoo	1795	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1796	break;
7858	schaersvoo	1797	case JSCURVE:
		1798	/*
		1799	@jscurve color,formula(x)
		1800	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1801	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1802	@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	1803	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1804	@no validity check is done by wims.
		1805	@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
		1806	@use command 'trace_jscurve formula(x)` for tracing
		1807	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1808	@can not be set draggable / onclick (yet)
8224	bpr	1809	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1810	*/
		1811	stroke_color = get_color(infile,0);
		1812	if( use_js_math == FALSE){/* add this stuff only once...*/
		1813	add_to_js_math(js_include_file);
		1814	use_js_math = TRUE;
		1815	}
		1816	if( use_js_plot == FALSE){
		1817	use_js_plot = TRUE;
		1818	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1819	}
		1820	temp = get_string_argument(infile,1);
		1821	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]);
		1822	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1823	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]);
		1824	add_to_buffer(tmp_buffer);
		1825	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1826
		1827	break;
7614	schaersvoo	1828	case CURVE:
		1829	/*
		1830	@curve color,formula(x)
		1831	@plot color,formula(x)
		1832	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1833	@use command "precision" to increase the number of digits of the plotted points
		1834	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1835	@may be set draggable / onclick
		1836	*/
		1837	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1838	use_parametric = FALSE;
		1839	stroke_color = get_color(infile,0);
		1840	char *fun1 = get_string_argument(infile,0);
		1841	char *fun2 = get_string_argument(infile,1);
		1842	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1843	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	1844	click_cnt++;
		1845	}
		1846	else
		1847	{
		1848	stroke_color = get_color(infile,0);
		1849	char *fun1 = get_string_argument(infile,1);
8224	bpr	1850	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1851	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	1852	click_cnt++;
		1853	}
7788	schaersvoo	1854	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1855	reset();
		1856	break;
		1857	case FLY_TEXT:
		1858	/*
		1859	@ text fontcolor,x,y,font,text_string
		1860	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1861	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1862	@ may be set "onclick" or "drag xy"
		1863	@ backwards compatible with flydraw
		1864	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1865	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1866	@ 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	1867	*/
		1868	for(i = 0; i < 5 ;i++){
		1869	switch(i){
		1870	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1871	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1872	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1873	case 3: fly_font = get_string_argument(infile,0);
		1874	if(strcmp(fly_font,"giant") == 0){
		1875	font_size = (int)(font_size + 24);
		1876	}
		1877	else
		1878	{
		1879	if(strcmp(fly_font,"huge") == 0){
		1880	font_size = (int)(font_size + 14);
		1881	}
		1882	else
		1883	{
		1884	if(strcmp(fly_font,"large") == 0){
		1885	font_size = (int)(font_size + 6);
		1886	}
		1887	else
		1888	{
		1889	if(strcmp(fly_font,"small") == 0){
		1890	font_size = (int)(font_size - 4);
		1891	if(font_size<0){font_size = 8;}
		1892	}
		1893	}
		1894	}
		1895	}
		1896	break; /* font_size ! */
8224	bpr	1897	case 4:
7614	schaersvoo	1898	temp = get_string_argument(infile,1);
		1899	decimals = find_number_of_digits(precision);
8357	schaersvoo	1900	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,"null",use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	1901	click_cnt++;reset();break;
		1902	default:break;
		1903	}
		1904	}
		1905	break;
		1906	case FLY_TEXTUP:
		1907	/*
		1908	@ textup fontcolor,x,y,font,text_string
		1909	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1910	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1911	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1912	@ backwards compatible with flydraw
		1913	@ unicode supported: textup red,0,0,huge,\\u2232
		1914	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1915	@ 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	1916	*/
8224	bpr	1917	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1918	for(i = 0; i<5 ;i++){
		1919	switch(i){
		1920	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1921	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1922	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1923	case 3: fly_font = get_string_argument(infile,0);
		1924	if(strcmp(fly_font,"giant") == 0){
		1925	font_size = (int)(font_size + 24);
		1926	}
		1927	else
		1928	{
		1929	if(strcmp(fly_font,"huge") == 0){
		1930	font_size = (int)(font_size + 14);
		1931	}
		1932	else
		1933	{
		1934	if(strcmp(fly_font,"large") == 0){
		1935	font_size = (int)(font_size + 6);
		1936	}
		1937	else
		1938	{
		1939	if(strcmp(fly_font,"small") == 0){
		1940	font_size = (int)(font_size - 4);
		1941	if(font_size<0){font_size = 8;}
		1942	}
		1943	}
		1944	}
		1945	}
		1946	break; /* font_size ! */
8224	bpr	1947	case 4:
7614	schaersvoo	1948	decimals = find_number_of_digits(precision);
		1949	temp = get_string_argument(infile,1);
8357	schaersvoo	1950	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,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1951	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8357	schaersvoo	1952	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,"null",font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1953	add_to_buffer(tmp_buffer);
		1954	break;
		1955	default:break;
		1956	}
		1957	}
		1958	reset();
		1959	break;
		1960	case FONTFAMILY:
		1961	/*
		1962	@ fontfamily font_description
		1963	@ set the font family; for browsers that support it
		1964	@ font_description: Ariel ,Courier, Helvetica etc
		1965	@ 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
		1966	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1967	*/
		1968	font_family = get_string(infile,1);
		1969	break;
		1970	case STRINGUP:
8224	bpr	1971	/*
		1972	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1973	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1974	@ unicode supported: stringup red,0,0,45,\\u2232
		1975	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1976
		1977	*/
		1978	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1979	for(i=0;i<6;i++){
		1980	switch(i){
		1981	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1982	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1983	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1984	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1985	case 4: decimals = find_number_of_digits(precision);
		1986	temp = get_string_argument(infile,1);
8071	schaersvoo	1987	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	1988	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1989	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	1990	add_to_buffer(tmp_buffer);
		1991	break;
		1992	default:break;
		1993	}
		1994	}
		1995	reset();
		1996	break;
		1997	case STRING:
8224	bpr	1998	/*
7614	schaersvoo	1999	@ string color,x,y,the text string
		2000	@ may be set "onclick" or "drag xy"
		2001	@ unicode supported: string red,0,0,\\u2232
8224	bpr	2002	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	2003	*/
		2004	for(i=0;i<5;i++){
		2005	switch(i){
		2006	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		2007	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		2008	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		2009	case 3: decimals = find_number_of_digits(precision);
		2010	temp = get_string_argument(infile,1);
		2011	decimals = find_number_of_digits(precision);
8097	schaersvoo	2012	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	2013	click_cnt++;reset();break;
		2014	default:break;
		2015	}
		2016	}
		2017	break;
7983	schaersvoo	2018	case CENTERSTRING:
8224	bpr	2019	/*
7983	schaersvoo	2020	@ centerstring color,y-value,the text string
7984	schaersvoo	2021	@ title color,y-value,the text string
7983	schaersvoo	2022	@ draw a string centered on the canvas at y = y-value
		2023	@ can not set "onclick" or "drag xy" (...)
		2024	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	2025	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	2026	*/
		2027	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		2028	for(i=0;i<3;i++){
		2029	switch(i){
		2030	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		2031	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		2032	case 2: temp = get_string_argument(infile,1);
		2033	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		2034	decimals = find_number_of_digits(precision);
		2035	string_length = snprintf(NULL,0,
		2036	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		2037	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2038	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);
		2039	add_to_buffer(tmp_buffer);
		2040	break;
		2041	default:break;
		2042	}
		2043	}
		2044	break;
7614	schaersvoo	2045	case MATHML:
		2046	/*
		2047	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	2048	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	2049	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	2050	@ 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	2051	@ 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	2052
7614	schaersvoo	2053	*/
		2054	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		2055	for(i=0;i<5;i++){
		2056	switch(i){
		2057	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2058	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2059	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2060	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2061	case 4: decimals = find_number_of_digits(precision);
8224	bpr	2062	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	2063	temp = get_string(infile,1);
		2064	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2065	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);
		2066	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2067	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);
		2068	add_to_buffer(tmp_buffer);
8224	bpr	2069	/*
		2070	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	2071	if no other reply_format is defined
		2072	note: all other reply types will include a reading of elements with id='mathml'+p)
		2073	*/
		2074	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	2075	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	2076	}
		2077	break;
		2078	default:break;
		2079	}
		2080	}
		2081	reset();
		2082	break;
		2083	case HTTP:
		2084	/*
		2085	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	2086	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	2087	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		2088	@can not be 'set onclick' or 'drag xy'
		2089	*/
8224	bpr	2090	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	2091	for(i=0;i<5;i++){
		2092	switch(i){
		2093	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2094	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2095	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2096	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2097	case 4: decimals = find_number_of_digits(precision);
		2098	temp = get_string(infile,1);
		2099	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		2100	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);
		2101	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2102	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);
		2103	add_to_buffer(tmp_buffer);
		2104	break;
		2105	}
		2106	}
		2107	reset();
		2108	break;
		2109	case HTML:
		2110	/*
		2111	@ html x1,y1,x2,y2,html_string
		2112	@ all tags are allowed
		2113	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		2114	@ 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	2115
7614	schaersvoo	2116	note: uses the same code as 'mathml'
		2117	*/
		2118	break;
		2119	case X_AXIS_STRINGS:
		2120	/*
		2121	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2122	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2123	@ use these x-axis values in stead of default xmin...xmax
		2124	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2125	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		2126	@ 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
		2127	@ 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
		2128	*/
		2129	temp = get_string(infile,1);
		2130	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2131	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2132	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		2133	use_axis_numbering = 1;
		2134	break;
		2135	case Y_AXIS_STRINGS:
		2136	/*
		2137	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2138	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2139	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2140	@ use these y-axis values in stead of default ymin...ymax
		2141	@ 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
		2142	*/
		2143	temp = get_string(infile,1);
		2144	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2145	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2146	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		2147	use_axis_numbering = 1;
		2148	break;
8224	bpr	2149
7614	schaersvoo	2150	case AXIS_NUMBERING:
		2151	/*
8224	bpr	2152	@ axisnumbering
8101	schaersvoo	2153	@ keyword, no arguments required
7614	schaersvoo	2154	*/
		2155	use_axis_numbering = 1;
		2156	break;
		2157	case AXIS:
		2158	/*
		2159	@ axis
8101	schaersvoo	2160	@ keyword, no arguments required
7614	schaersvoo	2161
		2162	*/
		2163	use_axis = TRUE;
		2164	break;
8101	schaersvoo	2165	case KILLSLIDER:
		2166	/*
		2167	@ killslider
		2168	@ keyword, no arguments required
		2169	@ ends grouping of object under a preciously defined slider
		2170	*/
		2171	slider = 0;
		2172	break;
8071	schaersvoo	2173	case SLIDER:
		2174	/*
8097	schaersvoo	2175	@ slider start_value,end_value,width px,height px,type,label
		2176	@ type: xy,x,y,angle
8112	schaersvoo	2177	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		2178	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	2179	@ use commmand 'slider' before draggable/clickable objects.
		2180	@ 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	2181	@ amount of sliders is not limited.
8101	schaersvoo	2182	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	2183	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		2184	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	2185	@ label: some slider text
		2186	@ use fillcolor for slider ball
		2187	@ use strokecolor for slider bar
8097	schaersvoo	2188	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	2189	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	2190	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	2191	*/
		2192	for(i=0; i<6 ; i++){
		2193	switch(i){
		2194	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		2195	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		2196	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		2197	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	2198	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	2199	/* xy display*/
		2200	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	2201	slider = 4;
		2202	}
		2203	else
		2204	{
8112	schaersvoo	2205	if(strstr(temp,"x") != 0){
8097	schaersvoo	2206	slider = 1;
		2207	}
		2208	else
		2209	{
8112	schaersvoo	2210	if(strstr(temp,"y") != 0){
8097	schaersvoo	2211	slider = 2;
		2212	}
		2213	else
		2214	{
8112	schaersvoo	2215	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2216	slider = 3;
		2217	}
		2218	else
8112	schaersvoo	2219	{
8097	schaersvoo	2220	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2221	}
8097	schaersvoo	2222	}
		2223	}
		2224	}
8112	schaersvoo	2225	if(strstr(temp,"display")!=0){
		2226	use_slider_display = 1; /* show x xy values in canvas window */
		2227	}
		2228	else
		2229	{
		2230	if(strstr(temp,"degree")!= 0){
		2231	use_slider_display = 2; /* show angle values in canvas window */
		2232	}
		2233	else
		2234	{
		2235	if(strstr(temp,"radian")!=0){
		2236	use_slider_display = 3; /* show radian values in canvas window */
		2237	}
		2238	}
		2239	}
		2240	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2241	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2242	}
8097	schaersvoo	2243	break;
		2244	case 5: /* some string used for slider description */
8071	schaersvoo	2245	slider_cnt++;
8097	schaersvoo	2246	if(slider == 4){
8112	schaersvoo	2247	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	2248	}else{
8112	schaersvoo	2249	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	2250	}
8071	schaersvoo	2251	break;
		2252	}
8097	schaersvoo	2253	}
8071	schaersvoo	2254	break;
7654	schaersvoo	2255	case SGRAPH:
		2256	/*
		2257	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2258	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2259	@ 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	2260	@ 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	2261	*/
8224	bpr	2262	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2263	for(i = 0 ; i < 8 ;i++){
		2264	switch(i){
		2265	case 0:double_data[0] = get_real(infile,0);break;
		2266	case 1:double_data[1] = get_real(infile,0);break;
		2267	case 2:double_data[2] = get_real(infile,0);break;
		2268	case 3:double_data[3] = get_real(infile,0);break;
		2269	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2270	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2271	case 6:stroke_color = get_color(infile,0);break;
		2272	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2273	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	2274	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2275	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	2276	add_to_buffer(tmp_buffer);
		2277	break;
		2278	default:break;
		2279	}
		2280	}
		2281	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2282	break;
7614	schaersvoo	2283	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2284	/*
		2285	@ grid step_x,step_y,gridcolor
		2286	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2287	@ 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	2288	@ 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	2289	@ can not be set "onclick" or "drag xy"
		2290	@ 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')
		2291	@ 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')
		2292	@ 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')
		2293	*/
7729	schaersvoo	2294	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2295	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2296	for(i=0;i<4;i++){
		2297	switch(i){
		2298	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2299	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2300	case 2:
		2301	if( use_axis == TRUE ){
		2302	stroke_color = get_color(infile,0);
		2303	done = FALSE;
		2304	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2305	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2306	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2307	fill_color = get_color(infile,1); /* used as axis_color*/
		2308	}
		2309	else
		2310	{
		2311	int_data[0] = 1;
		2312	int_data[1] = 1;
		2313	stroke_color = get_color(infile,1);
		2314	fill_color = stroke_color;
		2315	}
		2316	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	2317	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2318	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2319	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	2320	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2321	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	2322	add_to_buffer(tmp_buffer);
		2323	break;
		2324	}
		2325	}
		2326	reset();
		2327	break;
		2328	case OPACITY:
		2329	/*
		2330	@ opacity 0-255,0-255
		2331	@
		2332	*/
		2333	for(i = 0 ; i<2;i++){
		2334	switch(i){
		2335	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2336	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2337	default: break;
		2338	}
		2339	}
		2340	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 ? */
		2341	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2342	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2343	break;
		2344	case ROTATE:
		2345	/*
		2346	@rotate rotation_angle
8097	schaersvoo	2347	@angle in degrees
7614	schaersvoo	2348	*/
		2349	use_rotate = TRUE;
8097	schaersvoo	2350	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2351	break;
7785	schaersvoo	2352	case KILLAFFINE:
		2353	/*
		2354	@ killaffine
		2355	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2356	*/
		2357	use_affine = FALSE;
8224	bpr	2358	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2359	break;
		2360	case AFFINE:
		2361	/*
		2362	@affine a,b,c,d,tx,ty
8224	bpr	2363	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2364	@ use keyword 'killaffine' to end the transformation
		2365	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2366	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2367	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2368	@ a : Scales the drawings horizontally
		2369	@ b : Skews the drawings horizontally
		2370	@ c : Skews the drawings vertically
		2371	@ d : Scales the drawings vertically
8071	schaersvoo	2372	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2373	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2374	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2375	*/
		2376	for(i = 0 ; i<6;i++){
		2377	switch(i){
		2378	case 0: double_data[0] = get_real(infile,0);break;
		2379	case 1: double_data[1] = get_real(infile,0);break;
		2380	case 2: double_data[2] = get_real(infile,0);break;
		2381	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2382	case 4: double_data[4] = get_real(infile,0);break;
		2383	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2384	use_affine = TRUE;
8071	schaersvoo	2385	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	2386	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2387	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	2388	break;
7785	schaersvoo	2389	default: break;
		2390	}
		2391	}
		2392	break;
7614	schaersvoo	2393	case KILLTRANSLATION:
		2394	/*
		2395	killtranslation
		2396	*/
8071	schaersvoo	2397	use_affine = FALSE;
8224	bpr	2398	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2399	break;
		2400	case TRANSLATION:
		2401	/*
		2402	@translation tx,ty
8071	schaersvoo	2403	@will translate the next object tx in xrange and ty in yrange
		2404	@uase command 'killtranstation' to end the command
7614	schaersvoo	2405	*/
8071	schaersvoo	2406	for(i = 0 ; i<2;i++){
		2407	switch(i){
		2408	case 0: double_data[0] = get_real(infile,0);break;
		2409	case 1: double_data[1] = get_real(infile,1);
		2410	use_affine = TRUE;
		2411	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2412	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2413	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2414	break;
		2415	default: break;
		2416	}
		2417	}
		2418	break;
		2419
7614	schaersvoo	2420	case DASHED:
		2421	/*
		2422	@ keyword "dashed"
		2423	@ next object will be drawn with a dashed line
		2424	@ change dashing scheme by using command "dashtype int,int)
		2425	*/
		2426	use_dashed = TRUE;
		2427	break;
		2428	case FILLED:
		2429	/*
8224	bpr	2430	@ keyword "filled"
		2431	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2432	@ use command "fillcolor color" to set fillcolor
		2433	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2434	@ 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 !
		2435	*/
		2436	use_filled = TRUE;
		2437	break;
		2438	case STYLE:
		2439	/*
		2440	@highlight color,opacity,linewidth
		2441	@ NOT IMPLEMENTED
		2442	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2443	*/
		2444	break;
		2445	case FILLCOLOR:
		2446	/*
		2447	@ fillcolor colorname or #hex
		2448	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2449	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2450	*/
		2451	fill_color = get_color(infile,1);
		2452	break;
		2453	case STROKECOLOR:
		2454	/*
		2455	@ strokecolor colorname or #hex
		2456	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2457	*/
		2458	stroke_color = get_color(infile,1);
		2459	break;
8224	bpr	2460	case BGIMAGE:
7614	schaersvoo	2461	/*
		2462	@bgimage image_location
		2463	@use an image as background .<br />(we use the background of 'canvas_div' )
		2464	@the background image will be resized to match "width = xsize" and "height = ysize"
		2465	*/
		2466	URL = get_string(infile,1);
		2467	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);
		2468	break;
8224	bpr	2469	case BGCOLOR:
7614	schaersvoo	2470	/*
		2471	@bgcolor colorname or #hex
		2472	@use this color as background of the "div" containing the canvas(es)
		2473	*/
		2474	/* [255,255,255]*/
		2475	bgcolor = get_string(infile,1);
		2476	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2477	int found = 0;
		2478	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2479	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2480	bgcolor = colors[i].hex;
		2481	found = 1;
		2482	break;
		2483	}
		2484	}
		2485	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2486	}
		2487	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2488	break;
		2489	case COPY:
		2490	/*
		2491	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2492	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2493	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2494	@ [filename] is the URL of the image
7614	schaersvoo	2495	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2496	@ 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	2497	@ 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	2498
		2499	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2500	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2501	*/
		2502	for(i = 0 ; i<7;i++){
		2503	switch(i){
		2504	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2505	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2506	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2507	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2508	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2509	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2510	case 6: URL = get_string(infile,1);
		2511	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2512	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2513	if( drag_type > -1 ){
		2514	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2515	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2516	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);
		2517	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2518	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	2519	drag_type = -1;
		2520	ext_img_cnt++;
		2521	}
		2522	else
		2523	{
		2524	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2525	/*
		2526	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2527	*/
		2528	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]);
		2529	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2530	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]);
		2531	}
		2532	add_to_buffer(tmp_buffer);
		2533	break;
		2534	default: break;
		2535	}
		2536	}
		2537	reset();
		2538	break;
		2539	/*
		2540	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2541	img Specifies the image, canvas, or video element to use
		2542	sx The x coordinate where to start clipping : x1 = int_data[0]
		2543	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2544	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2545	sheight The height of the clipped image : int_data[3] - int_data[1]
		2546	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2547	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2548	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2549	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2550	*/
		2551	case COPYRESIZED:
		2552	/*
		2553	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2554	@ 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	2555	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2556	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2557	@ 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	2558	@ 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	2559	*/
		2560	for(i = 0 ; i<9;i++){
		2561	switch(i){
		2562	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2563	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2564	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2565	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2566	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2567	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2568	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2569	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2570	case 8: URL = get_string(infile,1);
		2571	if( drag_type > -1 ){
		2572	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2573	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2574	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);
		2575	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2576	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);
		2577	drag_type = -1;
		2578	ext_img_cnt++;
		2579	}
		2580	else
		2581	{
		2582	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2583	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]);
		2584	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2585	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]);
		2586	}
		2587	add_to_buffer(tmp_buffer);
		2588	default: break;
		2589	}
		2590	}
		2591	reset();
		2592	break;
8146	schaersvoo	2593	case CLEARBUTTON:
7614	schaersvoo	2594	/*
8146	schaersvoo	2595	@clearbutton value
		2596	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2597	@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	2598	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2599	@use command 'inputstyle' to style the button...
7614	schaersvoo	2600	*/
8146	schaersvoo	2601	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2602	break;
		2603	case INPUTSTYLE:
		2604	/*
		2605	@ inputstyle style_description
		2606	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2607	*/
		2608	input_style = get_string(infile,1);
		2609	break;
		2610	case INPUT:
8224	bpr	2611	/*
7614	schaersvoo	2612	@ input x,y,size,editable,value
8224	bpr	2613	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2614	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2615	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2616	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2617	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2618	*/
8224	bpr	2619	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2620	for(i = 0 ; i<5;i++){
		2621	switch(i){
		2622	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2623	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2624	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2625	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2626	case 4:
7614	schaersvoo	2627	temp = get_string_argument(infile,1);
		2628	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);
		2629	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2630	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);
		2631	add_to_buffer(tmp_buffer);
		2632	input_cnt++;break;
		2633	default: break;
		2634	}
		2635	}
7876	schaersvoo	2636	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2637	reset();
		2638	break;
		2639	case TEXTAREA:
8224	bpr	2640	/*
7614	schaersvoo	2641	@ textarea x,y,cols,rows,readonly,value
		2642	@ may be further controlled by "inputstyle"
8224	bpr	2643	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2644	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2645	*/
8224	bpr	2646	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2647	for(i = 0 ; i<6;i++){
		2648	switch(i){
		2649	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2650	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2651	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2652	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2653	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2654	case 5: temp = get_string_argument(infile,1);
		2655	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);
		2656	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2657	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);
		2658	add_to_buffer(tmp_buffer);
		2659	input_cnt++;break;
		2660	default: break;
		2661	}
		2662	}
7876	schaersvoo	2663	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2664	reset();
		2665	break;
		2666	case MOUSE_PRECISION:
		2667	/*
		2668	@ precision int
8074	schaersvoo	2669	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2670	@ may be used / changed before every object
8074	schaersvoo	2671	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2672	*/
		2673	precision = (int) (get_real(infile,1));
8074	schaersvoo	2674	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2675	break;
7838	schaersvoo	2676	case SETLIMITS:
		2677	/*
8224	bpr	2678	@setlimits
7838	schaersvoo	2679	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2680	@may be used for inputfield based zooming / panning
7858	schaersvoo	2681	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2682	@note:the input value will not be checked on validity
7838	schaersvoo	2683	*/
7956	schaersvoo	2684	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2685	add_setlimits(js_include_file,canvas_root_id);
		2686	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2687	use_pan_and_zoom = TRUE;
		2688	done = TRUE;
		2689	break;
7614	schaersvoo	2690	case ZOOM:
		2691	/*
		2692	@ zoom button_color
		2693	@ introduce a controlpanel at the lower right corner
		2694	@ 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
		2695	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2696	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2697	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2698	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2699	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2700	@ 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 !!
		2701	*/
7653	schaersvoo	2702	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2703	use_pan_and_zoom = TRUE;
7988	schaersvoo	2704	stroke_color = get_color(infile,1);
7614	schaersvoo	2705	/* we use BG_CANVAS (0) */
7988	schaersvoo	2706	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2707	done = TRUE;
		2708	break;
		2709	case ONCLICK:
		2710	/*
		2711	@ onclick
		2712	@ keyword, no arguments
		2713	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2714	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2715	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2716	*/
8257	schaersvoo	2717	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2718	onclick = 1;
		2719	break;
		2720	case DRAG:
		2721	/*
		2722	@ drag [x][y][xy]
		2723	@ the next object will be draggable in x / y / xy direction
		2724	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2725	@ 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	2726	@ 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	2727	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2728	@ 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	2729	@ 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 !!
		2730	*/
		2731	temp = get_string(infile,1);
8224	bpr	2732	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2733	drag_type = 0;
		2734	}
		2735	else
		2736	{
8224	bpr	2737	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2738	drag_type = 1;
		2739	}
		2740	else
		2741	{
		2742	drag_type = 2;
		2743	}
		2744	}
8257	schaersvoo	2745	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2746	onclick = 2;
8257	schaersvoo	2747
7614	schaersvoo	2748	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2749	break;
		2750	case BLINK:
		2751	/*
		2752	@ blink time(seconds)
		2753	@ NOT IMPLEMETED -YET
		2754	*/
		2755	break;
7996	schaersvoo	2756	case XUNIT:
		2757	/*
		2758	@ xunit some_unit_for_x-values
		2759	@ unicode allowed (no html code)
		2760	@ use together with command mousex
		2761	@ will display the cursor x-coordinate 'unit'
		2762	*/
		2763	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2764	break;
		2765	case YUNIT:
		2766	/*
		2767	@ yunit some_unit_for_y-values
		2768	@ unicode allowed (no html code)
		2769	@ use together with command mousex
		2770	@ will display the cursor y-coordinate 'unit'
		2771	*/
		2772	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2773	break;
8071	schaersvoo	2774	case MOUSE_DISPLAY:
		2775	/*
8129	schaersvoo	2776	@display x\|y\|xy\|degree\|radius,color,fontsize
		2777	@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)
		2778	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2779	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2780	*/
		2781	temp = get_string_argument(infile,0);
8112	schaersvoo	2782	if( strstr(temp,"xy") != NULL ){
		2783	int_data[0] = 2;
8071	schaersvoo	2784	}else{
8112	schaersvoo	2785	if( strstr(temp,"y") != NULL ){
		2786	int_data[0] = 1;
8071	schaersvoo	2787	}else{
8112	schaersvoo	2788	if( strstr(temp,"x") != NULL ){
		2789	int_data[0] = 0;
8129	schaersvoo	2790	}else{
8112	schaersvoo	2791	if(strstr(temp,"degree") != NULL){
		2792	int_data[0] = 3;
8071	schaersvoo	2793	}else{
8129	schaersvoo	2794	if(strstr(temp,"radius") != NULL){
		2795	int_data[0] = 4;
		2796	}else{
		2797	int_data[0] = 2;
		2798	}
8112	schaersvoo	2799	}
8129	schaersvoo	2800	}
8071	schaersvoo	2801	}
8129	schaersvoo	2802	}
8071	schaersvoo	2803	stroke_color = get_color(infile,0);
		2804	font_size = (int) (get_real(infile,1));
		2805	tmp_buffer = my_newmem(26);
		2806	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2807	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2808	break;
		2809	case MOUSE_DEGREE:
		2810	/*
		2811	@ mouse_degree color,fontsize
8099	schaersvoo	2812	@ 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	2813	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2814	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2815
		2816	*/
		2817	stroke_color = get_color(infile,0);
		2818	font_size = (int) (get_real(infile,1));
		2819	tmp_buffer = my_newmem(26);
		2820	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2821	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2822	break;
7991	schaersvoo	2823	case MOUSEX:
		2824	/*
		2825	@ mousex color,fontsize
		2826	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2827	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2828
		2829	*/
		2830	stroke_color = get_color(infile,0);
		2831	font_size = (int) (get_real(infile,1));
		2832	tmp_buffer = my_newmem(26);
		2833	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2834	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2835	break;
		2836	case MOUSEY:
		2837	/*
		2838	@ mousey color,fontsize
		2839	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2840	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2841
		2842	*/
		2843	stroke_color = get_color(infile,0);
		2844	font_size = (int) (get_real(infile,1));
		2845	tmp_buffer = my_newmem(26);
		2846	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2847	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2848	break;
7614	schaersvoo	2849	case MOUSE:
		2850	/*
		2851	@ mouse color,fontsize
7991	schaersvoo	2852	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2853	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2854
7614	schaersvoo	2855	*/
		2856	stroke_color = get_color(infile,0);
		2857	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2858	tmp_buffer = my_newmem(26);
		2859	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2860	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2861	break;
		2862	case INTOOLTIP:
		2863	/*
		2864	@ intooltip link_text
		2865	@ link_text is a single line (span-element)
		2866	@ link_text may also be an image URL http://some_server/images/my_image.png
		2867	@ link_text may contain HTML markup
		2868	@ the canvas will be displayed in a tooltip on 'link_text'
		2869	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2870	*/
7823	schaersvoo	2871	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2872	use_tooltip = TRUE;
		2873	tooltip_text = get_string(infile,1);
		2874	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2875	break;
		2876	case AUDIO:
		2877	/*
		2878	@ audio x,y,w,h,loop,visible,audiofile location
		2879	@ x,y : left top corner of audio element (in xrange / yrange)
		2880	@ w,y : width and height in pixels
		2881	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2882	@ visible : 0 or 1 (1 = show controls)
		2883	@ audio format may be in .mp3 or .ogg
		2884	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2885	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2886	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2887	@ 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 />
		2888	*/
		2889	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2890	for(i=0;i<7;i++){
		2891	switch(i){
		2892	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2893	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2894	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2895	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2896	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2897	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2898	case 6:
7614	schaersvoo	2899	temp = get_string(infile,1);
		2900	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2901	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2902	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);
		2903	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2904	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);
		2905	add_to_buffer(tmp_buffer);
		2906	break;
		2907	default:break;
		2908	}
		2909	}
		2910	reset();
		2911	break;
		2912	case VIDEO:
		2913	/*
		2914	@ video x,y,w,h,videofile location
		2915	@ x,y : left top corner of audio element (in xrange / yrange)
		2916	@ w,y : width and height in pixels
		2917	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2918	@ video format may be in *.mp4 (todo:other formats)
		2919	*/
		2920	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2921	for(i=0;i<5;i++){
		2922	switch(i){
		2923	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2924	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2925	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2926	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2927	case 4: temp = get_string(infile,1);
		2928	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);
		2929	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2930	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);
		2931	add_to_buffer(tmp_buffer);
		2932	break;
		2933	default:break;
		2934	}
		2935	}
		2936	reset();
		2937	break;
		2938	case HATCHFILL:
		2939	/*
		2940	@ hatchfill x0,y0,dx,dy,color
		2941	@ x0,y0 in xrange / yrange
		2942	@ distances dx,dy in pixels
		2943	*/
		2944	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2945	for(i=0;i<5;i++){
		2946	switch(i){
		2947	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2948	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2949	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2950	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2951	case 4: stroke_color = get_color(infile,1);
		2952	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2953	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);
		2954	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2955	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);
		2956	add_to_buffer(tmp_buffer);
		2957	break;
		2958	default:break;
		2959	}
		2960	}
		2961	reset();
		2962	break;
7647	schaersvoo	2963	case DIAMONDFILL:
		2964	/*
		2965	@ diamondfill x0,y0,dx,dy,color
		2966	@ x0,y0 in xrange / yrange
		2967	@ distances dx,dy in pixels
		2968	*/
		2969	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2970	for(i=0;i<5;i++){
		2971	switch(i){
		2972	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2973	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2974	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2975	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2976	case 4: stroke_color = get_color(infile,1);
		2977	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2978	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);
		2979	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2980	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);
		2981	add_to_buffer(tmp_buffer);
		2982	break;
		2983	default:break;
		2984	}
		2985	}
		2986	reset();
		2987	break;
7614	schaersvoo	2988	case GRIDFILL:
		2989	/*
		2990	@ gridfill x0,y0,dx,dy,color
		2991	@ x0,y0 in xrange / yrange
		2992	@ distances dx,dy in pixels
7883	schaersvoo	2993	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2994	@ userdraw object may snap_to_grid
7614	schaersvoo	2995	*/
		2996	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2997	for(i=0;i<5;i++){
		2998	switch(i){
		2999	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3000	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3001	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		3002	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		3003	case 4: stroke_color = get_color(infile,1);
		3004	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);
		3005	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3006	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);
		3007	add_to_buffer(tmp_buffer);
		3008	break;
		3009	default:break;
		3010	}
		3011	}
		3012	reset();
		3013	break;
		3014	case DOTFILL:
		3015	/*
		3016	@ dotfill x0,y0,dx,dy,color
		3017	@ x0,y0 in xrange / yrange
		3018	@ distances dx,dy in pixels
		3019	@ radius of dots is linewidth
		3020	*/
		3021	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		3022	for(i=0;i<5;i++){
		3023	switch(i){
		3024	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3025	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3026	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		3027	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		3028	case 4: stroke_color = get_color(infile,1);
		3029	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		3030	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);
		3031	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3032	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);
		3033	add_to_buffer(tmp_buffer);
		3034	break;
		3035	default:break;
		3036	}
		3037	}
		3038	reset();
		3039	break;
		3040	case IMAGEFILL:
		3041	/*
		3042	@ imagefill dx,dy,image_url
		3043	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		3044	@ After pattern filling ,the fill-color should be reset !
		3045	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		3046	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		3047	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		3048	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		3049	*/
		3050	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		3051	for(i=0 ;i < 3 ; i++){
		3052	switch(i){
		3053	case 0:int_data[0] = (int) (get_real(infile,0));break;
		3054	case 1:int_data[1] = (int) (get_real(infile,0));break;
		3055	case 2: URL = get_string_argument(infile,1);
		3056	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);
		3057	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3058	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);
		3059	add_to_buffer(tmp_buffer);
		3060	break;
		3061	}
		3062	}
8083	schaersvoo	3063	reset();
7614	schaersvoo	3064	break;
		3065	case FILLTOBORDER:
		3066	/*
		3067	@ filltoborder x,y,bordercolor,color
8224	bpr	3068	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	3069	@ any other color will not act as border to the bucket fill
		3070	@ use this command after all boundary objects are declared.
		3071	@ 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..
		3072	*/
		3073	for(i=0 ;i < 4 ; i++){
		3074	switch(i){
		3075	case 0:double_data[0] = get_real(infile,0);break;
		3076	case 1:double_data[1] = get_real(infile,0);break;
		3077	case 2:bgcolor = get_color(infile,0);break;
		3078	case 3:fill_color = get_color(infile,1);
		3079	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		3080	js_function[DRAW_FILLTOBORDER] = 1;
		3081	add_js_filltoborder(js_include_file,canvas_root_id);
		3082	}
		3083	decimals = find_number_of_digits(precision);
7895	schaersvoo	3084	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	3085	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	3086	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	3087	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	3088	add_to_buffer(tmp_buffer);
		3089	break;
		3090	default:break;
8083	schaersvoo	3091	}
		3092	}
		3093	reset();
7614	schaersvoo	3094	break;
		3095	case FLOODFILL:
		3096	/*
		3097	@ floodfill x,y,color
		3098	@ alternative syntax: fill x,y,color
		3099	@ fill the region of point (x:y) with color 'color'
		3100	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		3101	@ use this command after all boundary objects are declared.
		3102	@ Use command 'clickfill,color' for user click driven flood fill.
		3103	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3104	@ 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..
		3105	*/
		3106	for(i=0 ;i < 4 ; i++){
		3107	switch(i){
		3108	case 0:double_data[0] = get_real(infile,0);break;
		3109	case 1:double_data[1] = get_real(infile,0);break;
		3110	case 2:fill_color = get_color(infile,1);
		3111	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3112	js_function[DRAW_FLOODFILL] = 1;
		3113	add_js_floodfill(js_include_file,canvas_root_id);
		3114	}
		3115	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	3116	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		3117	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	3118	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	3119	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	3120	add_to_buffer(tmp_buffer);
		3121	break;
		3122	default:break;
8083	schaersvoo	3123	}
		3124	}
		3125	reset();
7614	schaersvoo	3126	break;
		3127	case CLICKFILLMARGE:
		3128	clickfillmarge = (int) (get_real(infile,1));
		3129	break;
		3130	/*
		3131	@ clickfillmarge int
		3132	@ default 20 (pixels)
		3133	@ 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[])
		3134	*/
		3135	case CLICKFILL:
		3136	/*
		3137	@ clickfill fillcolor
		3138	@ user left mouse click will floodfill the area with fillcolor
		3139	@ multiple areas may be coloured
		3140	@ 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)
		3141	@ the answer will be read as the (x:y) click coordinates per coloured area
		3142	@ background color of main div may be set by using command "bgcolor color"
		3143	@ may not be combined with command "userdraw"
		3144	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3145	*/
		3146	fill_color = get_color(infile,1);
		3147	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3148	js_function[DRAW_FLOODFILL] = 1;
		3149	add_js_floodfill(js_include_file,canvas_root_id);
		3150	}
8130	schaersvoo	3151	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	3152	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	3153	reset();
7614	schaersvoo	3154	break;
		3155	case SETPIXEL:
		3156	/*
		3157	@ setpixel x,y,color
		3158	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		3159	@ pixels can not be dragged or clicked
		3160	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3161	*/
		3162	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3163	for(i=0;i<3;i++){
		3164	switch(i){
		3165	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3166	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3167	case 2: stroke_color = get_color(infile,1);
		3168	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3169	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3170	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3171	add_to_buffer(tmp_buffer);
		3172	break;
		3173	default:break;
		3174	}
		3175	}
		3176	reset();
		3177	break;
		3178	case PIXELSIZE:
		3179	/*
		3180	@ pixelsize int
		3181	@ in case you want to deviate from default pixelsize = 1...
		3182	*/
		3183	pixelsize = (int) get_real(infile,1);
		3184	break;
		3185	case PIXELS:
		3186	/*
		3187	@ pixels color,x1,y1,x2,y2,x3,y3...
		3188	@ Draw "points" with diameter 1 pixel
		3189	@ pixels can not be dragged or clicked
		3190	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3191	*/
		3192	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3193	stroke_color=get_color(infile,0);
		3194	i=0;
		3195	c=0;
		3196	while( ! done ){ /* get next item until EOL*/
		3197	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3198	for( c = 0 ; c < 2; c++){
		3199	if(c == 0 ){
		3200	double_data[i] = get_real(infile,0);
		3201	i++;
		3202	}
		3203	else
		3204	{
		3205	double_data[i] = get_real(infile,1);
		3206	i++;
		3207	}
		3208	}
		3209	}
		3210	decimals = find_number_of_digits(precision);
		3211	/* double_xy2js_array(double xy[],int len,int decimals) /
		3212	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3213	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3214	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3215	add_to_buffer(tmp_buffer);
8083	schaersvoo	3216	reset();
7614	schaersvoo	3217	break;
		3218	case REPLYFORMAT:
		3219	/*
		3220	@ replyformat number
8257	schaersvoo	3221	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3222	@ default values should be fine !
8074	schaersvoo	3223	@ 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	3224	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8322	schaersvoo	3225	@ 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	3226	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3227	*/
		3228	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3229	reply_precision = precision;
7614	schaersvoo	3230	break;
		3231	case LEGENDCOLORS:
		3232	/*
		3233	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3234	@ 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	3235	@ make sure the number of colours match the number of legend items
8224	bpr	3236	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3237	*/
7956	schaersvoo	3238	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3239	temp = get_string(infile,1);
		3240	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3241	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3242	break;
		3243	case LEGEND:
		3244	/*
		3245	@ legend string1:string2:string3....string_n
		3246	@ will be used to create a legend for a graph
8224	bpr	3247	@ also see command 'piechart'
7956	schaersvoo	3248	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3249	*/
		3250	temp = get_string(infile,1);
		3251	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3252	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3253	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3254	break;
		3255	case XLABEL:
		3256	/*
		3257	@ xlabel some_string
		3258	@ will be used to create a label for the x-axis (label is in quadrant I)
		3259	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3260	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3261	*/
		3262	temp = get_string(infile,1);
7653	schaersvoo	3263	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3264	break;
		3265	case YLABEL:
		3266	/*
		3267	@ ylabel some_string
8224	bpr	3268	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3269	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3270	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3271	*/
		3272	temp = get_string(infile,1);
7653	schaersvoo	3273	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3274	break;
		3275	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3276	/*
7996	schaersvoo	3277	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3278	@ will plot your data in a graph
		3279	@ may only to be used together with command 'grid'
		3280	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3281	@ use command 'legend' to provide an optional legend in right-top-corner
		3282	@ also see command 'piechart'
		3283	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3284	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3285	@ <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	3286	*/
7614	schaersvoo	3287	temp = get_string(infile,1);
		3288	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3289	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	3290	linegraph_cnt++;
		3291	reset();
		3292	break;
7989	schaersvoo	3293	case BARCHART:
		3294	/*
		3295	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3296	@ will be used to create a legend for bar graph
		3297	@ may only to be used together with command 'grid'
		3298	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3299	@ use command 'legend' to provide an optional legend in right-top-corner
		3300	@ also see command 'piechart'
		3301	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3302	*/
		3303	temp = get_string(infile,1);
		3304	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3305	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3306	barchart_cnt++;
		3307	reset();
		3308	break;
7614	schaersvoo	3309	case CLOCK:
		3310	/*
		3311	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3312	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3313	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3314	@ 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	3315	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3316	@ 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>
		3317	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3318	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3319	@ 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	3320	@ 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	3321	*/
		3322	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3323
		3324	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3325	for(i=0;i<9;i++){
		3326	switch(i){
		3327	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3328	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3329	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3330	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3331	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3332	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3333	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	3334	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3335	switch(int_data[7]){
		3336	case 0:break;
		3337	case 1:if(clock_cnt == 0){
		3338	if( reply_format == 0 ){
7614	schaersvoo	3339	reply_format = 18; /* user sets clock */
7783	schaersvoo	3340	/* 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	3341	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3342	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");
		3343	add_to_buffer(tmp_buffer);
7783	schaersvoo	3344	*/
8130	schaersvoo	3345	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	3346	}
		3347	else
		3348	{
		3349	canvas_error("interactive clock may not be used together with other reply_types...");
		3350	}
		3351	}
8130	schaersvoo	3352	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	3353	break;
		3354	case 2:if( reply_format == 0 ){
		3355	reply_format = 19; /* "onclick */
8130	schaersvoo	3356	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	3357	}
		3358	else
		3359	{
		3360	if( reply_format != 19){
7614	schaersvoo	3361	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3362	}
7783	schaersvoo	3363	}
		3364	break;
		3365	default: canvas_error("interactive must be set 0,1 or 2");break;
		3366	}
		3367	break;
8224	bpr	3368	case 8:
8130	schaersvoo	3369	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3370	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3371	}
7614	schaersvoo	3372	temp = get_string(infile,1);
		3373	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3374	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3375	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	3376	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3377	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	3378	add_to_buffer(tmp_buffer);
		3379	clock_cnt++;
		3380	break;
		3381	default:break;
		3382	}
		3383	}
		3384	break;
		3385	case PIECHART:
		3386	/*
		3387	@ piechart xc,yc,radius,'data+colorlist'
		3388	@ (xc : yc) center of circle diagram in xrange/yrange
		3389	@ radius in pixels
		3390	@ 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
		3391	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3392	@ the number of colors must match the number of data.
		3393	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3394	@ 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	3395	*/
8224	bpr	3396	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3397	for(i=0;i<5;i++){
		3398	switch(i){
		3399	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3400	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3401	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3402	case 3: temp = get_string(infile,1);
		3403	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3404	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	3405	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3406	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	3407	add_to_buffer(tmp_buffer);
		3408	break;
		3409	default:break;
		3410	}
		3411	}
		3412	reset();
		3413	break;
		3414	case STATUS:
7877	schaersvoo	3415	/*
		3416	@status
		3417	@keyword
		3418	@alernative keyword: nostatus
		3419	@used to override the effects of "status=done" in wims (answer.phtml)
		3420	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3421	@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'
		3422	*/
8224	bpr	3423
7877	schaersvoo	3424	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3425	break;
7735	schaersvoo	3426	case XLOGBASE:
7729	schaersvoo	3427	/*
7735	schaersvoo	3428	@ xlogbase number
		3429	@ sets the logbase number for the x-axis
7729	schaersvoo	3430	@ default value 10
7735	schaersvoo	3431	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3432	*/
7735	schaersvoo	3433	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3434	break;
7735	schaersvoo	3435	case YLOGBASE:
		3436	/*
		3437	@ ylogbase number
		3438	@ sets the logbase number for the y-axis
		3439	@ default value 10
		3440	@ use together with commands ylogscale / xylogscale
		3441	*/
		3442	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3443	break;
7614	schaersvoo	3444	case XLOGSCALE:
		3445	/*
7735	schaersvoo	3446	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3447	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3448	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3449	@ the linewidth is set using command 'linewidth int'
		3450	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3451	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3452	@ 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	3453	@ note: the complete canvas will be used for the 'log paper'
		3454	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3455	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3456	@ 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	3457	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3458	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3459	*/
7735	schaersvoo	3460	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3461	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3462	for(i=0;i<4;i++){
		3463	switch(i){
		3464	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3465	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3466	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3467	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3468	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	3469	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3470	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	3471	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3472	add_to_buffer(tmp_buffer);
		3473	break;
		3474	default:break;
		3475	}
		3476	}
7614	schaersvoo	3477	break;
		3478	case YLOGSCALE:
7729	schaersvoo	3479	/*
		3480	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3481	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3482	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3483	@ the linewidth is set using command 'linewidth int'
		3484	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3485	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3486	@ 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	3487	@ note: the complete canvas will be used for the 'log paper'
		3488	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3489	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3490	@ 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	3491	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3492	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3493	*/
		3494	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3495	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3496	for(i=0;i<4;i++){
		3497	switch(i){
		3498	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3499	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3500	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3501	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3502	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	3503	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3504	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	3505	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3506	add_to_buffer(tmp_buffer);
		3507	break;
		3508	default:break;
		3509	}
		3510	}
7614	schaersvoo	3511	break;
		3512	case XYLOGSCALE:
7735	schaersvoo	3513	/*
		3514	@ xylogscale majorcolor,minorcolor
		3515	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3516	@ the linewidth is set using command 'linewidth int'
		3517	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3518	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3519	@ 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	3520	@ note: the complete canvas will be used for the 'log paper'
		3521	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3522	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3523	@ 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	3524	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3525	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3526	*/
		3527	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3528	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3529	for(i=0;i<2;i++){
		3530	switch(i){
		3531	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3532	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3533	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	3534	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3535	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	3536	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3537	add_to_buffer(tmp_buffer);
		3538	break;
		3539	default:break;
		3540	}
		3541	}
		3542	break;
7614	schaersvoo	3543	default:sync_input(infile);
		3544	break;
		3545	}
8224	bpr	3546	}
7614	schaersvoo	3547	/* we are done parsing script file */
7983	schaersvoo	3548	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3549	if( found_size_command == 1 ){
		3550	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3551	}
		3552	else
		3553	{
		3554	if( found_size_command != 3 ){
8222	schaersvoo	3555	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3556	}
		3557	}
8257	schaersvoo	3558
8222	schaersvoo	3559	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3560	add_javascript_functions(js_function,canvas_root_id);
		3561	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3562	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3563	if( use_pan_and_zoom == TRUE ){
		3564	/* in case of zooming ... */
7729	schaersvoo	3565	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3566	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3567	var ymin_start=ymin;var ymax_start=xmax;\
		3568	var zoom_x_increment=0;var zoom_y_increment=0;\
		3569	var pan_x_increment=0;var pan_y_increment=0;\
		3570	if(use_ylogscale == 0 ){\
7956	schaersvoo	3571	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	3572	}else{\
		3573	zoom_x_increment = (xmax - xmin)/20;\
		3574	pan_x_increment = (xmax - xmin)/20;\
		3575	};\
7653	schaersvoo	3576	function start_canvas%d(type){\
		3577	switch(type){\
7729	schaersvoo	3578	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3579	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	3580	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3581	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3582	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3583	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3584	case 6:location.reload();break;\
		3585	default:break;\
		3586	};\
		3587	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3588	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3589	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3590	%s\
		3591	};\
7797	schaersvoo	3592	start_canvas%d(333);\
7614	schaersvoo	3593	};\n\
		3594	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3595	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3596	}
		3597	else
		3598	{
		3599	/* no zoom, just add buffer */
		3600	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3601	%s\
		3602	};\n\
		3603	<!-- end wims_canvas_function -->\n\
		3604	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3605	}
7614	schaersvoo	3606	/* done writing the javascript include file */
		3607	fclose(js_include_file);
		3608
		3609	}
		3610
		3611	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3612	if(use_tooltip == TRUE){
		3613	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3614	}
		3615	exit(EXIT_SUCCESS);
		3616	}
		3617	/* end main() */
		3618
		3619	/******************************************************************************
		3620	**
		3621	** sync_input
		3622	**
		3623	** synchronises input line - reads to end of line, leaving file pointer
		3624	** at first character of next line.
		3625	**
		3626	** Used by:
		3627	** main program - error handling.
		3628	**
		3629	******************************************************************************/
		3630	void sync_input(FILE *infile)
		3631	{
		3632	int c = 0;
		3633
7658	schaersvoo	3634	if( c == '\n' \|\| c == ';' ) return;
		3635	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3636	if( c == EOF ) finished = 1;
7658	schaersvoo	3637	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3638	return;
		3639	}
		3640
		3641	/******************************************************************************/
		3642
		3643	char str_replace(const char str, const char old, const char new){
		3644	/* http://creativeandcritical.net/str-replace-c/ */
		3645	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3646	char ret, r;
		3647	const char p, q;
		3648	size_t oldlen = strlen(old);
		3649	size_t count = 0;
		3650	size_t retlen = 0;
		3651	size_t newlen = strlen(new);
		3652	if (oldlen != newlen){
		3653	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3654	count++;
		3655	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3656	}
8224	bpr	3657	}
7614	schaersvoo	3658	else
		3659	{
		3660	retlen = strlen(str);
		3661	}
8224	bpr	3662
7614	schaersvoo	3663	if ((ret = malloc(retlen + 1)) == NULL){
		3664	ret = NULL;
		3665	canvas_error("string argument is NULL");
		3666	}
		3667	else
		3668	{
		3669	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3670	size_t l = q - p;
		3671	memcpy(r, p, l);
		3672	r += l;
		3673	memcpy(r, new, newlen);
		3674	r += newlen;
		3675	}
		3676	strcpy(r, p);
		3677	}
		3678	return ret;
		3679	}
		3680
		3681	/******************************************************************************/
7848	bpr	3682
7614	schaersvoo	3683	char get_color(FILE infile , int last){
		3684	int c,i = 0,is_hex = 0;
		3685	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	3686	const char *not_allowed = "0123456789";
7748	schaersvoo	3687	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3688	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3689	if( c == '#' ){
		3690	is_hex = 1;
		3691	}
		3692	if( c != ' '){
8304	schaersvoo	3693	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	3694	temp[i]=tolower(c);
		3695	i++;
		3696	}
		3697	}
8224	bpr	3698	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3699	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3700	if( c == EOF ){finished = 1;}
		3701	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3702	temp[i]='\0';
		3703	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3704	if( is_hex == 1 ){
		3705	char red[3], green[3], blue[3];
		3706	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3707	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3708	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3709	int r = (int) strtol(red, NULL, 16);
		3710	int g = (int) strtol(green, NULL, 16);
		3711	int b = (int) strtol(blue, NULL, 16);
		3712	string = (char *)my_newmem(12);
		3713	snprintf(string,11,"%d,%d,%d",r,g,b);
		3714	return string;
		3715	}
		3716	else
		3717	{
		3718	string = (char *)my_newmem(sizeof(temp));
		3719	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	3720	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	3721	if( strcmp( colors[i].name , string ) == 0 ){
		3722	return colors[i].rgb;
		3723	}
		3724	}
8304	schaersvoo	3725	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	3726	}
8304	schaersvoo	3727	return "0,0,255";
7614	schaersvoo	3728	}
		3729
		3730	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3731	int c,i=0;
		3732	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3733	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3734	temp[i]=c;
		3735	i++;
		3736	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3737	}
8224	bpr	3738	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3739	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3740	if( c == EOF ) {
		3741	finished = 1;
		3742	if( last != 1 ){ canvas_error("expected more arguments");}
		3743	}
		3744	temp[i]='\0';
		3745	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3746	string=(char *)my_newmem(strlen(temp));
		3747	snprintf(string,sizeof(temp),"%s",temp);
		3748	return string;
		3749	}
		3750
		3751	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3752	int c,i=0;
		3753	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3754	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3755	temp[i]=c;
		3756	i++;
		3757	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3758	}
8224	bpr	3759	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3760	if( c == '\n') { line_number++; }
7614	schaersvoo	3761	if( c == EOF ) {finished = 1;}
		3762	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3763	temp[i]='\0';
8322	schaersvoo	3764	/*
		3765	17.10.2014 removed (question Perrin)
		3766	may cause some unwanted effects...
7614	schaersvoo	3767	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
8322	schaersvoo	3768	*/
7614	schaersvoo	3769	string=(char *)my_newmem(sizeof(temp));
		3770	snprintf(string,sizeof(temp),"%s",temp);
		3771	done = TRUE;
		3772	return string;
		3773	}
		3774
		3775	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3776	int c,i=0,found_calc = 0;
		3777	double y;
		3778	char tmp[MAX_INT];
8348	schaersvoo	3779	/*
		3780	these things are 'allowed functions' : *,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln,sqrt,abs
		3781	but thereshould be a better way to avoid segfaults !
		3782	*/
		3783	const char allowed = "earcostanpilogqb+-/^()";/* assuming these are allowed stuff in a 'number'*/
		3784	const char not_allowed = "#dfhjkmuvwxyz{}[]%&~!$";/ avoid segmentation faults in a "atof()" and "wims eval" */
7658	schaersvoo	3785	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3786	if( c != ' ' ){
8224	bpr	3787	if( i == 0 && c == '+' ){
7614	schaersvoo	3788	continue;
8224	bpr	3789	}
7614	schaersvoo	3790	else
		3791	{
8304	schaersvoo	3792	c = tolower(c);
		3793	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		3794	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	3795	tmp[i] = c;
		3796	i++;
		3797	}
		3798	}
		3799	if( i > MAX_INT - 1){canvas_error("number too large");}
		3800	}
8224	bpr	3801	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3802	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3803	if( c == EOF ){done = TRUE ; finished = 1;}
		3804	tmp[i]='\0';
		3805	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	3806	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	3807	void *f = eval_create(tmp);
7614	schaersvoo	3808	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3809	y = eval_x(f, 1);
7614	schaersvoo	3810	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3811	eval_destroy(f);
7614	schaersvoo	3812	}
		3813	else
		3814	{
		3815	y = atof(tmp);
		3816	}
		3817	return y;
		3818	}
8304	schaersvoo	3819
		3820
7614	schaersvoo	3821	void canvas_error(char *msg){
7748	schaersvoo	3822	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3823	finished = 1;
		3824	exit(EXIT_SUCCESS);
		3825	}
		3826
		3827
		3828	/* convert x/y coordinates to pixel */
		3829	int x2px(double x){
		3830	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3831	}
		3832
		3833	int y2px(double y){
		3834	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3835	}
		3836
		3837	double px2x(int x){
		3838	return (x*(xmax - xmin)/xsize + xmin);
		3839	}
		3840	double px2y(int y){
		3841	return (y*(ymax - ymin)/ysize + ymin);
		3842	}
		3843
		3844	void add_to_buffer(char *tmp){
		3845	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3846	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3847	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3848	if( space_left > strlen(tmp)){
		3849	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3850	}
		3851	else
		3852	{
		3853	canvas_error("buffer is too big\n");
		3854	}
		3855	tmp = NULL;free(tmp);
		3856	return;
		3857	}
		3858
		3859	void reset(){
		3860	if(use_filled == TRUE){use_filled = FALSE;}
		3861	if(use_dashed == TRUE){use_dashed = FALSE;}
		3862	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3863	onclick = 0;
7614	schaersvoo	3864	}
		3865
		3866
		3867
		3868	/* What reply format in read_canvas();
		3869
		3870	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3871	1 = x1,x2,x3,x4....x_n
		3872	y1,y2,y3,y4....y_n
		3873
		3874	x/y in pixels
		3875
		3876	2 = x1,x2,x3,x4....x_n
		3877	y1,y2,y3,y4....y_n
		3878	x/y in xrange / yrange coordinate system
		3879
		3880	3 = x1,x2,x3,x4....x_n
		3881	y1,y2,y3,y4....y_n
		3882	r1,r2,r3,r4....r_n
		3883
8224	bpr	3884	x/y in pixels
7614	schaersvoo	3885	r in pixels
		3886
		3887	4 = x1,x2,x3,x4....x_n
		3888	y1,y2,y3,y4....y_n
		3889	r1,r2,r3,r4....r_n
		3890
		3891	x/y in xrange / yrange coordinate system
		3892	r in pixels
		3893
		3894	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3895	Ay1,Ay2,Ay3,Ay4....Ay_n
		3896	Bx1,Bx2,Bx3,Bx4....Bx_n
		3897	By1,By2,By3,By4....By_n
		3898	Cx1,Cx2,Cx3,Cx4....Cx_n
		3899	Cy1,Cy2,Cy3,Cy4....Cy_n
		3900	....
		3901	Zx1,Zx2,Zx3,Zx4....Zx_n
		3902	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3903
7614	schaersvoo	3904	x/y in pixels
		3905
		3906	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3907	Ay1,Ay2,Ay3,Ay4....Ay_n
		3908	Bx1,Bx2,Bx3,Bx4....Bx_n
		3909	By1,By2,By3,By4....By_n
		3910	Cx1,Cx2,Cx3,Cx4....Cx_n
		3911	Cy1,Cy2,Cy3,Cy4....Cy_n
		3912	....
		3913	Zx1,Zx2,Zx3,Zx4....Zx_n
		3914	Zy1,Zy2,Zy3,Zy4....Zy_n
		3915
		3916	x/y in xrange / yrange coordinate system
8224	bpr	3917
7614	schaersvoo	3918	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3919
7614	schaersvoo	3920	x/y in pixels
		3921
		3922	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3923
7614	schaersvoo	3924	x/y in xrange / yrange coordinate system
		3925
8224	bpr	3926	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3927
		3928	x/y in pixels
		3929
8224	bpr	3930	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3931
		3932	x/y in xrange / yrange coordinate system
		3933
		3934	11 = Ax1,Ay1,Ax2,Ay2
		3935	Bx1,By1,Bx2,By2
		3936	Cx1,Cy1,Cx2,Cy2
		3937	Dx1,Dy1,Dx2,Dy2
		3938	......
		3939	Zx1,Zy1,Zx2,Zy2
8224	bpr	3940
7614	schaersvoo	3941	x/y in xrange / yrange coordinate system
		3942
		3943	12 = Ax1,Ay1,Ax2,Ay2
		3944	Bx1,By1,Bx2,By2
		3945	Cx1,Cy1,Cx2,Cy2
		3946	Dx1,Dy1,Dx2,Dy2
		3947	......
		3948	Zx1,Zy1,Zx2,Zy2
8224	bpr	3949
7614	schaersvoo	3950	x/y in pixels
		3951
		3952	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3953
		3954	x/y in xrange / yrange coordinate system
		3955	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3956	x/y in pixels
		3957	15 = reply from inputfields,textareas
		3958	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3959	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3960
		3961	16 = read mathml inputfields only
		3962
		3963	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3964	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3965
		3966	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3967	19 = return clicked object number (analogue to shape-library onclick)
		3968	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3969	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3970	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3971	x/y in xrange / yrange coordinate system
8224	bpr	3972	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3973	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3974	25 = return all userdrawn arcs in degrees:
		3975	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3976	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
8322	schaersvoo	3977	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
		3978	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
		3979	'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'
		3980	will not return anything else (e.g. no inputfields , text etc)
7614	schaersvoo	3981	*/
		3982
		3983
8257	schaersvoo	3984	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3985	/* just 1 reply type allowed */
8074	schaersvoo	3986	fprintf(js_include_file,"\
		3987	\n<!-- begin set_reply_precision() -->\n\
		3988	function set_reply_precision(){\
		3989	var len = userdraw_x.length;\
		3990	var prec = %d;\
		3991	for(var p = 0 ; p < len ; p++ ){\
		3992	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3993	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3994	};\
		3995	len = userdraw_radius.length;\
		3996	if( len > 0 ){\
		3997	for(var p = 0 ; p < len ; p++ ){\
		3998	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3999	};\
		4000	};\
		4001	};",reply_precision);
7963	schaersvoo	4002
7614	schaersvoo	4003	switch(type_reply){
8224	bpr	4004	/*
7614	schaersvoo	4005	answers may have:
		4006	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		4007	*/
		4008	case 1: fprintf(js_include_file,"\
8257	schaersvoo	4009	\n<!-- begin function 1 read_canvas%d() -->\n\
		4010	read_canvas%d = function(){\
7614	schaersvoo	4011	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4012	set_reply_precision();\
7614	schaersvoo	4013	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4014	var p = 0;var input_reply = new Array();\
		4015	if( document.getElementById(\"canvas_input0\")){\
		4016	var t = 0;\
		4017	while(document.getElementById(\"canvas_input\"+t)){\
		4018	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4019	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4020	p++;\
		4021	};\
		4022	t++;\
		4023	};\
		4024	};\
		4025	if( typeof userdraw_text != 'undefined' ){\
		4026	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		4027	}\
		4028	else\
		4029	{\
		4030	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		4031	}\
		4032	}\
		4033	else\
		4034	{\
		4035	if( typeof userdraw_text != 'undefined' ){\
		4036	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		4037	}\
		4038	else\
		4039	{\
		4040	return userdraw_x+\"\\n\"+userdraw_y;\
		4041	}\
		4042	};\
8108	schaersvoo	4043	};\n\
8257	schaersvoo	4044	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4045	break;
		4046	case 2: fprintf(js_include_file,"\
8257	schaersvoo	4047	\n<!-- begin function 2 read_canvas%d() -->\n\
		4048	read_canvas%d = function(){\
7614	schaersvoo	4049	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4050	set_reply_precision();\
7614	schaersvoo	4051	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	4052	var prec = %d;\
7614	schaersvoo	4053	while(userdraw_x[p]){\
8074	schaersvoo	4054	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4055	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4056	p++;\
		4057	};\
		4058	if(p == 0){alert(\"nothing drawn...\");return;};\
		4059	if( document.getElementById(\"canvas_input0\")){\
		4060	var p = 0;var input_reply = new Array();\
		4061	if( document.getElementById(\"canvas_input0\")){\
		4062	var t = 0;\
		4063	while(document.getElementById(\"canvas_input\"+t)){\
		4064	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4065	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4066	p++;\
		4067	};\
		4068	t++;\
		4069	};\
		4070	};\
		4071	if( typeof userdraw_text != 'undefined' ){\
		4072	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4073	}\
		4074	else\
		4075	{\
		4076	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4077	}\
		4078	}\
		4079	else\
		4080	{\
		4081	if( typeof userdraw_text != 'undefined' ){\
		4082	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4083	}\
		4084	else\
		4085	{\
		4086	return reply_x+\"\\n\"+reply_y;\
		4087	};\
		4088	};\
8108	schaersvoo	4089	};\n\
8257	schaersvoo	4090	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4091	break;
		4092	case 3: fprintf(js_include_file,"\
8257	schaersvoo	4093	\n<!-- begin function 3 read_canvas%d() -->\n\
		4094	read_canvas%d = function(){\
7614	schaersvoo	4095	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4096	set_reply_precision();\
7614	schaersvoo	4097	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4098	var p = 0;var input_reply = new Array();\
		4099	if( document.getElementById(\"canvas_input0\")){\
		4100	var t = 0;\
		4101	while(document.getElementById(\"canvas_input\"+t)){\
		4102	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4103	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4104	p++;\
		4105	};\
		4106	t++;\
		4107	};\
		4108	};\
		4109	if( typeof userdraw_text != 'undefined' ){\
		4110	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4111	}\
		4112	else\
		4113	{\
		4114	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4115	}\
		4116	}\
		4117	else\
		4118	{\
		4119	if( typeof userdraw_text != 'undefined' ){\
		4120	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		4121	}\
		4122	else\
		4123	{\
		4124	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		4125	}\
		4126	}\
8108	schaersvoo	4127	};\n\
8257	schaersvoo	4128	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4129	break;
		4130	case 4: fprintf(js_include_file,"\
8257	schaersvoo	4131	\n<!-- begin function 4 read_canvas%d() -->\n\
		4132	read_canvas%d = function(){\
8074	schaersvoo	4133	var prec = %d;\
7614	schaersvoo	4134	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		4135	while(userdraw_x[p]){\
8074	schaersvoo	4136	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4137	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	4138	p++;\
		4139	};\
		4140	if(p == 0){alert(\"nothing drawn...\");return;};\
		4141	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4142	var p = 0;var input_reply = new Array();\
		4143	if( document.getElementById(\"canvas_input0\")){\
		4144	var t = 0;\
		4145	while(document.getElementById(\"canvas_input\"+t)){\
		4146	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4147	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4148	p++;\
		4149	};\
		4150	t++;\
		4151	};\
		4152	};\
		4153	if( typeof userdraw_text != 'undefined' ){\
		4154	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4155	}\
		4156	else\
		4157	{\
		4158	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4159	}\
		4160	}\
		4161	else\
		4162	{\
		4163	if( typeof userdraw_text != 'undefined' ){\
		4164	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		4165	}\
		4166	else\
		4167	{\
		4168	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		4169	}\
		4170	};\
8108	schaersvoo	4171	};\n\
8257	schaersvoo	4172	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4173	break;
8224	bpr	4174	/*
		4175	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4176	used for userdraw multiple paths
7614	schaersvoo	4177	*/
		4178	case 5: fprintf(js_include_file,"\
8257	schaersvoo	4179	\n<!-- begin function 5 read_canvas%d() -->\n\
		4180	read_canvas%d = function(){\
8074	schaersvoo	4181	set_reply_precision();\
7614	schaersvoo	4182	var p = 0;\
		4183	var reply = \"\";\
		4184	for(p = 0; p < userdraw_x.length;p++){\
		4185	if(userdraw_x[p] != null ){\
		4186	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		4187	};\
		4188	};\
		4189	if(p == 0){alert(\"nothing drawn...\");return;};\
		4190	userdraw_x = [];userdraw_y = [];\
		4191	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4192	var p = 0;var input_reply = new Array();\
		4193	if( document.getElementById(\"canvas_input0\")){\
		4194	var t = 0;\
		4195	while(document.getElementById(\"canvas_input\"+t)){\
		4196	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4197	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4198	p++;\
		4199	};\
		4200	t++;\
		4201	};\
		4202	};\
		4203	if( typeof userdraw_text != 'undefined' ){\
		4204	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4205	}\
		4206	else\
		4207	{\
		4208	return reply +\"\\n\"+input_reply;\
		4209	}\
		4210	}\
		4211	else\
		4212	{\
		4213	if( typeof userdraw_text != 'undefined' ){\
		4214	return reply+\"\\n\"+userdraw_text;\
		4215	}\
		4216	else\
		4217	{\
		4218	return reply;\
		4219	}\
		4220	};\
8108	schaersvoo	4221	};\n\
8257	schaersvoo	4222	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4223	break;
8224	bpr	4224	/*
		4225	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4226	used for userdraw multiple paths
7614	schaersvoo	4227	*/
		4228	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4229	\n<!-- begin function 6 read_canvas%d() -->\n\
		4230	read_canvas%d = function(){\
7614	schaersvoo	4231	var p = 0;\
		4232	var reply = \"\";\
		4233	var tmp_x = new Array();\
		4234	var tmp_y = new Array();\
8074	schaersvoo	4235	var prec = %d;\
7614	schaersvoo	4236	for(p = 0 ; p < userdraw_x.length; p++){\
		4237	tmp_x = userdraw_x[p];\
		4238	tmp_y = userdraw_y[p];\
		4239	if(tmp_x != null){\
		4240	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4241	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4242	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4243	};\
		4244	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4245	};\
		4246	};\
		4247	if(p == 0){alert(\"nothing drawn...\");return;};\
		4248	userdraw_x = [];userdraw_y = [];\
		4249	if( document.getElementById(\"canvas_input0\") ){\
		4250	var p = 0;var input_reply = new Array();\
		4251	if( document.getElementById(\"canvas_input0\")){\
		4252	var t = 0;\
		4253	while(document.getElementById(\"canvas_input\"+t)){\
		4254	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4255	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4256	p++;\
		4257	};\
		4258	t++;\
		4259	};\
		4260	};\
		4261	if( typeof userdraw_text != 'undefined' ){\
		4262	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4263	}\
		4264	else\
		4265	{\
		4266	return reply +\"\\n\"+input_reply;\
		4267	}\
		4268	}\
		4269	else\
		4270	{\
		4271	if( typeof userdraw_text != 'undefined' ){\
		4272	return reply +\"\\n\"+userdraw_text;\
		4273	}\
		4274	else\
		4275	{\
		4276	return reply;\
		4277	}\
		4278	};\
8108	schaersvoo	4279	};\n\
8257	schaersvoo	4280	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4281	break;
		4282	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4283	\n<!-- begin function 7 read_canvas%d() -->\n\
		4284	read_canvas%d = function(){\
8074	schaersvoo	4285	set_reply_precision();\
7614	schaersvoo	4286	var reply = new Array();\
		4287	var p = 0;\
		4288	while(userdraw_x[p]){\
		4289	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4290	p++;\
		4291	};\
		4292	if(p == 0){alert(\"nothing drawn...\");return;};\
		4293	if( document.getElementById(\"canvas_input0\") ){\
		4294	var p = 0;var input_reply = new Array();\
		4295	if( document.getElementById(\"canvas_input0\")){\
		4296	var t = 0;\
		4297	while(document.getElementById(\"canvas_input\"+t)){\
		4298	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4299	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4300	p++;\
		4301	};\
		4302	t++;\
		4303	};\
		4304	};\
		4305	if( typeof userdraw_text != 'undefined' ){\
		4306	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4307	}\
		4308	else\
		4309	{\
		4310	return reply+\"\\n\"+input_reply;\
		4311	}\
7862	schaersvoo	4312	}\
7614	schaersvoo	4313	else\
		4314	{\
		4315	if( typeof userdraw_text != 'undefined' ){\
		4316	return reply+\"\\n\"+userdraw_text;\
		4317	}\
		4318	else\
		4319	{\
		4320	return reply;\
		4321	}\
		4322	};\
8108	schaersvoo	4323	};\n\
8257	schaersvoo	4324	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4325	break;
		4326	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4327	\n<!-- begin function 8 read_canvas%d() -->\n\
		4328	read_canvas%d = function(){\
7614	schaersvoo	4329	var reply = new Array();\
		4330	var p = 0;\
8074	schaersvoo	4331	var prec = %d;\
7614	schaersvoo	4332	while(userdraw_x[p]){\
8074	schaersvoo	4333	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4334	p++;\
		4335	};\
		4336	if(p == 0){alert(\"nothing drawn...\");return;};\
		4337	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4338	var p = 0;var input_reply = new Array();\
		4339	if( document.getElementById(\"canvas_input0\")){\
		4340	var t = 0;\
		4341	while(document.getElementById(\"canvas_input\"+t)){\
		4342	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4343	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4344	p++;\
		4345	};\
		4346	t++;\
		4347	};\
		4348	};\
		4349	if( typeof userdraw_text != 'undefined' ){\
		4350	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4351	}\
		4352	else\
		4353	{\
		4354	return reply +\"\\n\"+input_reply;\
		4355	}\
		4356	}\
		4357	else\
		4358	{\
		4359	if( typeof userdraw_text != 'undefined' ){\
		4360	return reply +\"\\n\"+userdraw_text;\
		4361	}\
		4362	else\
		4363	{\
		4364	return reply;\
		4365	}\
		4366	};\
8108	schaersvoo	4367	};\n\
8257	schaersvoo	4368	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4369	break;
		4370	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4371	\n<!-- begin function 9 read_canvas%d() -->\n\
		4372	read_canvas%d = function(){\
8074	schaersvoo	4373	set_reply_precision();\
7614	schaersvoo	4374	var reply = new Array();\
		4375	var p = 0;\
		4376	while(userdraw_x[p]){\
		4377	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4378	p++;\
		4379	};\
		4380	if(p == 0){alert(\"nothing drawn...\");return;};\
		4381	if( document.getElementById(\"canvas_input0\") ){\
		4382	var p = 0;var input_reply = new Array();\
		4383	if( document.getElementById(\"canvas_input0\")){\
		4384	var t = 0;\
		4385	while(document.getElementById(\"canvas_input\"+t)){\
		4386	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4387	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4388	p++;\
		4389	};\
		4390	t++;\
		4391	};\
		4392	};\
		4393	if( typeof userdraw_text != 'undefined' ){\
		4394	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4395	}\
		4396	else\
		4397	{\
		4398	return reply +\"\\n\"+input_reply;\
		4399	}\
		4400	}\
		4401	else\
		4402	{\
		4403	if( typeof userdraw_text != 'undefined' ){\
		4404	return reply +\"\\n\"+userdraw_text;\
		4405	}\
		4406	else\
		4407	{\
		4408	return reply;\
		4409	}\
		4410	};\
8108	schaersvoo	4411	};\n\
8257	schaersvoo	4412	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4413	break;
		4414	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4415	\n<!-- begin function 10 read_canvas%d() -->\n\
		4416	read_canvas%d = function(){\
7614	schaersvoo	4417	var reply = new Array();\
		4418	var p = 0;\
8074	schaersvoo	4419	var prec = %d;\
7614	schaersvoo	4420	while(userdraw_x[p]){\
8074	schaersvoo	4421	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	4422	p++;\
		4423	};\
		4424	if(p == 0){alert(\"nothing drawn...\");return;};\
		4425	if( document.getElementById(\"canvas_input0\") ){\
		4426	var p = 0;var input_reply = new Array();\
		4427	if( document.getElementById(\"canvas_input0\")){\
		4428	var t = 0;\
		4429	while(document.getElementById(\"canvas_input\"+t)){\
		4430	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4431	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4432	p++;\
		4433	};\
		4434	t++;\
		4435	};\
		4436	};\
		4437	if( typeof userdraw_text != 'undefined' ){\
		4438	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4439	}\
		4440	else\
		4441	{\
		4442	return reply +\"\\n\"+input_reply;\
		4443	}\
		4444	}\
		4445	else\
		4446	{\
		4447	if( typeof userdraw_text != 'undefined' ){\
		4448	return reply +\"\\n\"+userdraw_text;\
		4449	}\
		4450	else\
		4451	{\
		4452	return reply;\
		4453	}\
		4454	};\
8108	schaersvoo	4455	};\n\
8257	schaersvoo	4456	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4457	break;
		4458	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4459	\n<!-- begin function 11 read_canvas%d() -->\n\
		4460	read_canvas%d = function(){\
7614	schaersvoo	4461	var reply = \"\";\
		4462	var p = 0;\
8074	schaersvoo	4463	var prec = %d;\
7614	schaersvoo	4464	while(userdraw_x[p]){\
8074	schaersvoo	4465	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	4466	p = p+2;\
		4467	};\
		4468	if(p == 0){alert(\"nothing drawn...\");return;};\
		4469	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4470	var p = 0;var input_reply = new Array();\
		4471	if( document.getElementById(\"canvas_input0\")){\
		4472	var t = 0;\
		4473	while(document.getElementById(\"canvas_input\"+t)){\
		4474	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4475	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4476	p++;\
		4477	};\
		4478	t++;\
		4479	};\
		4480	};\
		4481	if( typeof userdraw_text != 'undefined' ){\
		4482	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4483	}\
		4484	else\
		4485	{\
		4486	return reply +\"\\n\"+input_reply;\
		4487	}\
		4488	}\
		4489	else\
		4490	{\
		4491	if( typeof userdraw_text != 'undefined' ){\
		4492	return reply +\"\\n\"+userdraw_text;\
		4493	}\
		4494	else\
		4495	{\
		4496	return reply;\
		4497	}\
		4498	};\
8108	schaersvoo	4499	};\n\
8257	schaersvoo	4500	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4501	break;
		4502	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4503	\n<!-- begin function 12 read_canvas%d() -->\n\
		4504	read_canvas%d = function(){\
8074	schaersvoo	4505	set_reply_precision();\
7614	schaersvoo	4506	var reply = \"\";\
		4507	var p = 0;\
		4508	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4509	if(userdraw_x[p] != null){\
		4510	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4511	};\
		4512	};\
		4513	if(p == 0){alert(\"nothing drawn...\");return;};\
		4514	if( document.getElementById(\"canvas_input0\") ){\
		4515	var p = 0;var input_reply = new Array();\
		4516	if( document.getElementById(\"canvas_input0\")){\
		4517	var t = 0;\
		4518	while(document.getElementById(\"canvas_input\"+t)){\
		4519	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4520	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4521	p++;\
		4522	};\
		4523	t++;\
		4524	};\
		4525	};\
		4526	if( typeof userdraw_text != 'undefined' ){\
		4527	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4528	}\
		4529	else\
		4530	{\
		4531	return reply +\"\\n\"+input_reply;\
		4532	}\
		4533	}\
		4534	else\
		4535	{\
		4536	if( typeof userdraw_text != 'undefined' ){\
		4537	return reply +\"\\n\"+userdraw_text\
		4538	}\
		4539	else\
		4540	{\
		4541	return reply;\
		4542	}\
		4543	};\
8108	schaersvoo	4544	};\n\
8257	schaersvoo	4545	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4546	break;
		4547	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4548	\n<!-- begin function 13 read_canvas%d() -->\n\
		4549	read_canvas%d = function(){\
7614	schaersvoo	4550	var reply = new Array();\
		4551	var p = 0;var i = 0;\
8074	schaersvoo	4552	var prec = %d;\
7614	schaersvoo	4553	while(userdraw_x[p]){\
8074	schaersvoo	4554	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	4555	p = p+2;i++;\
		4556	};\
		4557	if(p == 0){alert(\"nothing drawn...\");return;};\
		4558	if( document.getElementById(\"canvas_input0\") ){\
		4559	var p = 0;var input_reply = new Array();\
		4560	if( document.getElementById(\"canvas_input0\")){\
		4561	var t = 0;\
		4562	while(document.getElementById(\"canvas_input\"+t)){\
		4563	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4564	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4565	p++;\
		4566	};\
		4567	t++;\
		4568	};\
		4569	};\
		4570	if( typeof userdraw_text != 'undefined' ){\
		4571	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4572	}\
		4573	else\
		4574	{\
		4575	return reply +\"\\n\"+input_reply;\
		4576	}\
		4577	}\
		4578	else\
		4579	{\
		4580	if( typeof userdraw_text != 'undefined' ){\
		4581	return reply +\"\\n\"+userdraw_text\
		4582	}\
		4583	else\
		4584	{\
		4585	return reply;\
		4586	}\
		4587	};\
8108	schaersvoo	4588	};\n\
8257	schaersvoo	4589	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4590	break;
		4591	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4592	\n<!-- begin function 14 read_canvas%d() -->\n\
		4593	read_canvas%d = function(){\
8074	schaersvoo	4594	set_reply_precision();\
7614	schaersvoo	4595	var reply = new Array();\
		4596	var p = 0;var i = 0;\
		4597	while(userdraw_x[p]){\
		4598	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4599	p = p+2;i++;\
		4600	};\
		4601	if(p == 0){alert(\"nothing drawn...\");return;};\
		4602	if( document.getElementById(\"canvas_input0\") ){\
		4603	var p = 0;var input_reply = new Array();\
		4604	if( document.getElementById(\"canvas_input0\")){\
		4605	var t = 0;\
		4606	while(document.getElementById(\"canvas_input\"+t)){\
		4607	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4608	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4609	p++;\
		4610	};\
		4611	t++;\
		4612	};\
		4613	};\
		4614	if( typeof userdraw_text != 'undefined' ){\
		4615	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4616	}\
		4617	else\
		4618	{\
		4619	return reply +\"\\n\"+input_reply;\
		4620	}\
		4621	}\
		4622	else\
		4623	{\
		4624	if( typeof userdraw_text != 'undefined' ){\
		4625	return reply +\"\\n\"+userdraw_text;\
		4626	}\
		4627	else\
		4628	{\
		4629	return reply;\
		4630	}\
		4631	};\
8108	schaersvoo	4632	};\n\
8257	schaersvoo	4633	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4634	break;
		4635	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4636	\n<!-- begin function 15 read_canvas%d() -->\n\
		4637	read_canvas%d = function(){\
7614	schaersvoo	4638	var input_reply = new Array();\
		4639	var p = 0;\
		4640	if( document.getElementById(\"canvas_input0\")){\
		4641	var t = 0;\
		4642	while(document.getElementById(\"canvas_input\"+t)){\
		4643	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4644	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4645	p++;\
		4646	};\
		4647	t++;\
		4648	};\
		4649	};\
		4650	if( typeof userdraw_text != 'undefined' ){\
		4651	return input_reply +\"\\n\"+userdraw_text;\
		4652	}\
		4653	else\
		4654	{\
		4655	return input_reply;\
		4656	};\
8108	schaersvoo	4657	};\n\
8257	schaersvoo	4658	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4659	break;
		4660	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4661	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4662	function read_mathml(){\
		4663	var reply = new Array();\
		4664	var p = 0;\
		4665	if( document.getElementById(\"mathml0\")){\
		4666	while(document.getElementById(\"mathml\"+p)){\
		4667	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4668	p++;\
		4669	};\
		4670	};\
		4671	return reply;\
		4672	};\
		4673	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4674	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4675	break;
		4676	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4677	\n<!-- begin function 17 read_canvas%d() -->\n\
		4678	read_canvas%d = function(){\
7614	schaersvoo	4679	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4680	return userdraw_text;\
8108	schaersvoo	4681	};\n\
8257	schaersvoo	4682	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4683	break;
		4684	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4685	\n<!-- begin function 18 read_canvas%d() -->\n\
		4686	read_canvas%d = function(){\
7614	schaersvoo	4687	var p = 0;\
		4688	var reply = new Array();\
		4689	var name;\
		4690	var t = true;\
8000	schaersvoo	4691	var h;var m;var s;\
7614	schaersvoo	4692	while(t){\
8000	schaersvoo	4693	try{\
		4694	name = eval('clocks'+p);\
		4695	h = name.H;m = name.M;s = name.S;\
		4696	if(s < 0){s = 60 + s;m = m - 1;};\
		4697	if(m < 0){m = 60 + m;h = h - 1;};\
		4698	if(h < 0){h = 12 + h;};\
		4699	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4700	reply[p] = h+\":\"+m+\":\"+s;\
		4701	p++;\
		4702	}catch(e){t=false;};\
7614	schaersvoo	4703	};\
8000	schaersvoo	4704	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4705	return reply;\
8108	schaersvoo	4706	};\n\
8257	schaersvoo	4707	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4708	break;
		4709	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4710	\n<!-- begin function 19 read_canvas%d() -->\n\
		4711	read_canvas%d = function(){\
7614	schaersvoo	4712	return reply[0];\
8108	schaersvoo	4713	};\n\
8257	schaersvoo	4714	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4715	break;
7614	schaersvoo	4716	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4717	\n<!-- begin function 20 read_canvas%d() -->\n\
		4718	read_canvas%d = function(){\
8074	schaersvoo	4719	var prec = %d;\
7614	schaersvoo	4720	var len = ext_drag_images.length;\
		4721	var reply = new Array(len);\
		4722	for(var p = 0 ; p < len ; p++){\
		4723	var img = ext_drag_images[p];\
8074	schaersvoo	4724	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4725	};\
		4726	return reply;\
8108	schaersvoo	4727	};\n\
8257	schaersvoo	4728	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4729	break;
		4730	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4731	\n<!-- begin function 21 read_canvas%d() -->\n\
		4732	read_canvas%d = function(){\
7614	schaersvoo	4733	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4734	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4735	var prec = %d;\
7614	schaersvoo	4736	while(userdraw_x[p]){\
8074	schaersvoo	4737	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4738	p++;\
		4739	};\
		4740	if(p == 0){alert(\"nothing drawn...\");return;};\
		4741	if( document.getElementById(\"canvas_input0\") ){\
		4742	var p = 0;var input_reply = new Array();\
		4743	if( document.getElementById(\"canvas_input0\")){\
		4744	var t = 0;\
		4745	while(document.getElementById(\"canvas_input\"+t)){\
		4746	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4747	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4748	p++;\
		4749	};\
		4750	t++;\
		4751	};\
		4752	};\
		4753	if( typeof userdraw_text != 'undefined' ){\
		4754	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4755	}\
		4756	else\
		4757	{\
		4758	return reply_coord+\"\\n\"+input_reply;\
		4759	}\
		4760	}\
		4761	else\
		4762	{\
		4763	if( typeof userdraw_text != 'undefined' ){\
		4764	return reply_coord+\"\\n\"+userdraw_text;\
		4765	}\
		4766	else\
		4767	{\
		4768	return reply_coord;\
		4769	};\
		4770	};\
8108	schaersvoo	4771	};\n\
8257	schaersvoo	4772	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4773	break;
		4774	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4775	\n<!-- begin function 22 read_canvas%d() -->\n\
		4776	read_canvas%d = function(){\
7614	schaersvoo	4777	var reply = new Array();\
7963	schaersvoo	4778	var lu = userdraw_x.length;\
		4779	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4780	var idx = 0;\
8074	schaersvoo	4781	var prec = %d;\
7963	schaersvoo	4782	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4783	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4784	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4785	};\
		4786	if( document.getElementById(\"canvas_input0\") ){\
		4787	var p = 0;var input_reply = new Array();\
		4788	if( document.getElementById(\"canvas_input0\")){\
		4789	var t = 0;\
		4790	while(document.getElementById(\"canvas_input\"+t)){\
		4791	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4792	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4793	p++;\
		4794	};\
		4795	t++;\
		4796	};\
		4797	};\
		4798	if( typeof userdraw_text != 'undefined' ){\
		4799	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4800	}\
		4801	else\
		4802	{\
		4803	return reply +\"\\n\"+input_reply;\
		4804	}\
		4805	}\
		4806	else\
		4807	{\
		4808	if( typeof userdraw_text != 'undefined' ){\
		4809	return reply +\"\\n\"+userdraw_text;\
		4810	}\
		4811	else\
		4812	{\
		4813	return reply;\
		4814	}\
		4815	};\
8108	schaersvoo	4816	};\n\
8257	schaersvoo	4817	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4818	break;
7782	schaersvoo	4819	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4820	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4821	read_canvas%d = function(){\
7782	schaersvoo	4822	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4823	var lu = userdraw_x.length;\
		4824	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4825	var reply_x = new Array();var reply_y = new Array();\
		4826	var marge = 5;var p = 0;\
8074	schaersvoo	4827	var prec = %d;\
7782	schaersvoo	4828	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4829	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4830	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4831	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4832	p++;\
7782	schaersvoo	4833	};\
8074	schaersvoo	4834	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	4835	};\
		4836	if( document.getElementById(\"canvas_input0\")){\
		4837	var p = 0;var input_reply = new Array();\
		4838	if( document.getElementById(\"canvas_input0\")){\
		4839	var t = 0;\
		4840	while(document.getElementById(\"canvas_input\"+t)){\
		4841	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4842	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4843	p++;\
		4844	};\
		4845	t++;\
		4846	};\
		4847	};\
		4848	if( typeof userdraw_text != 'undefined' ){\
		4849	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4850	}\
		4851	else\
		4852	{\
		4853	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4854	}\
		4855	}\
		4856	else\
		4857	{\
		4858	if( typeof userdraw_text != 'undefined' ){\
		4859	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4860	}\
		4861	else\
		4862	{\
		4863	return reply_x+\"\\n\"+reply_y;\
		4864	};\
		4865	};\
8108	schaersvoo	4866	};\n\
8257	schaersvoo	4867	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4868	break;
7984	schaersvoo	4869	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4870	<!-- begin function 24 read_canvas%d() -->\n\
		4871	read_canvas%d = function(){\
7984	schaersvoo	4872	var input_reply = new Array();\
		4873	var p = 0;\
		4874	if( document.getElementById(\"canvas_input0\")){\
		4875	while(document.getElementById(\"canvas_input\"+p)){\
		4876	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4877	p++;\
		4878	};\
		4879	return input_reply;\
		4880	};\
8108	schaersvoo	4881	};\n\
8257	schaersvoo	4882	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4883	break;
8083	schaersvoo	4884	case 25:
8257	schaersvoo	4885	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4886	read_canvas%d = function(){\
8083	schaersvoo	4887	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4888	var lu = userdraw_radius.length;\
		4889	var prec = %d;\
		4890	var angle_reply = new Array(lu);\
		4891	for(var p = 0 ; p < lu ; p++){\
		4892	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4893	};\
		4894	return angle_reply;\
8108	schaersvoo	4895	};\n\
8257	schaersvoo	4896	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4897	break;
		4898	case 26:
8257	schaersvoo	4899	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4900	read_canvas%d = function(){\
8083	schaersvoo	4901	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4902	var lu = userdraw_radius.length;\
		4903	var prec = %d;\
		4904	var angle_reply = new Array(lu);\
		4905	for(var p = 0 ; p < lu ; p++){\
		4906	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4907	};\
		4908	return angle_reply;\
8108	schaersvoo	4909	};\n\
8257	schaersvoo	4910	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4911	break;
8127	schaersvoo	4912	case 27:
8257	schaersvoo	4913	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4914	read_canvas%d = function(){\
8127	schaersvoo	4915	var lu = userdraw_x.length;\
		4916	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4917	set_reply_precision();\
		4918	var prec = %d;\
		4919	for(var p = 0 ; p < lu ; p++){\
		4920	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4921	};\
		4922	return reply;\
		4923	};\n\
8257	schaersvoo	4924	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4925	break;
8322	schaersvoo	4926	case 28:
		4927	fprintf(js_include_file,"\n<!-- begin function 28 read_canvas%d() -->\n\
		4928	read_canvas%d = function(){\
		4929	var prec = %d;\
		4930	var reply = new Array();var p = 0;\
		4931	var idx = 0;\
		4932	while(userdraw_x[p]){\
		4933	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4934	idx++;\
		4935	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		4936	idx++;\
		4937	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		4938	idx++;\
		4939	p++;\
		4940	};\
		4941	if( p == 0){alert(\"nothing drawn...\");return;}\
		4942	return reply;\
		4943	};\n\
		4944	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		4945	break;
7614	schaersvoo	4946	default: canvas_error("hmmm unknown replyformat...");break;
		4947	}
		4948	return;
		4949	}
		4950
		4951
8224	bpr	4952	/*
		4953	add drawfunction :
7614	schaersvoo	4954	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4955	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4956	- grid / mathml
		4957	- will not scale or zoom in
		4958	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4959	- is printed directly into 'js_include_file'
7614	schaersvoo	4960	*/
		4961
		4962	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4963	int i;
		4964	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4965	if( js_functions[i] == 1){
		4966	switch(i){
		4967	case DRAG_EXTERNAL_IMAGE:
		4968	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4969	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4970	var external_ctx = external_canvas.getContext(\"2d\");\
		4971	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4972	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4973	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4974	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4975	var selected_image = null;\
		4976	var ext_image_cnt = 0;\
		4977	var ext_drag_images = new Array();\
		4978	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4979	ext_image_cnt = idx;\
		4980	var image = new Image();\
		4981	image.src = URL;\
		4982	image.onload = function(){\
		4983	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4984	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4985	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4986	var img = new Array(10);\
7653	schaersvoo	4987	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4988	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4989	ext_drag_images[idx] = img;\
		4990	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4991	};\
		4992	};\
		4993	function dragstop(evt){\
		4994	selected_image = null;return;\
		4995	};\
		4996	function dragxy(evt){\
		4997	if( selected_image != null ){\
		4998	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4999	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		5000	var s_img = ext_drag_images[selected_image];\
		5001	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		5002	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		5003	ext_drag_images[selected_image] = s_img;\
		5004	external_ctx.clearRect(0,0,xsize,ysize);\
		5005	for(var i = 0; i <= ext_image_cnt ; i++){\
		5006	var img = ext_drag_images[i];\
		5007	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		5008	};\
		5009	};\
		5010	};\
		5011	function setxy(evt){\
		5012	if( ! selected_image && evt.which == 1 ){\
		5013	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		5014	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		5015	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		5016	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		5017	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		5018	var img = ext_drag_images[p];\
		5019	if( img[0] == 1 ){\
		5020	var w = img.width;\
		5021	var h = img.height;\
		5022	if( xm > img[6] && xm < img[6] + img[4]){\
		5023	if( ym > img[7] && ym < img[7] + img[5]){\
		5024	img[6] = xm;\
		5025	img[7] = ym;\
		5026	ext_drag_images[p] = img;\
		5027	selected_image = p;\
		5028	dragxy(evt);\
		5029	};\
		5030	};\
		5031	};\
		5032	};\
		5033	}\
		5034	else\
		5035	{\
		5036	selected_image = null;\
		5037	};\
7614	schaersvoo	5038	};",canvas_root_id);
		5039	break;
		5040
		5041	case DRAW_EXTERNAL_IMAGE:
		5042	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	5043	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	5044	var image = new Image();\
		5045	image.src = URL;\
		5046	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		5047	image.onload = function(){\
		5048	if( x0 < 1 ){ x0 = 0; };\
		5049	if( y0 < 1 ){ y0 = 0; };\
		5050	if( sx < 1 ){ sx = 0; };\
		5051	if( sy < 1 ){ sy = 0; };\
		5052	if( width < 1 ){ width = image.width;};\
		5053	if( height < 1 ){ height = image.height;};\
		5054	if( swidth < 1 ){ swidth = image.width;};\
		5055	if( sheight < 1 ){ sheight = image.height;};\
		5056	var ml = x0 - sx;\
		5057	var mh = y0 - sy;\
		5058	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		5059	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		5060	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		5061	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		5062	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		5063	};\
8224	bpr	5064	};",canvas_root_id);
7614	schaersvoo	5065	break;
		5066	case DRAW_GRIDFILL:/* not used for userdraw */
		5067	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	5068	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	5069	var obj;\
		5070	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5071	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5072	}\
		5073	else\
		5074	{\
		5075	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5076	};\
		5077	var ctx = obj.getContext(\"2d\");\
		5078	var x,y;\
7883	schaersvoo	5079	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5080	ctx.save();\
		5081	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5082	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5083	ctx.moveTo(x,y0);\
		5084	ctx.lineTo(x,ysize);\
		5085	};\
7645	schaersvoo	5086	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	5087	ctx.moveTo(x0,y);\
		5088	ctx.lineTo(xsize,y);\
		5089	};\
		5090	ctx.stroke();\
		5091	ctx.restore();\
7653	schaersvoo	5092	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5093	break;
8224	bpr	5094
7614	schaersvoo	5095	case DRAW_IMAGEFILL:/* not used for userdraw */
		5096	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	5097	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	5098	var obj;\
		5099	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5100	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5101	}\
		5102	else\
		5103	{\
		5104	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5105	};\
		5106	var ctx = obj.getContext(\"2d\");\
		5107	ctx.save();\
		5108	var img = new Image();\
		5109	img.src = URL;\
		5110	img.onload = function(){\
		5111	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		5112	ctx.drawImage(img,x0,y0,xsize,ysize);\
		5113	}\
		5114	else\
		5115	{\
		5116	var repeat = \"repeat\";\
		5117	if(img.width > xsize - x0){\
		5118	repeat = \"repeat-y\";\
		5119	}\
		5120	else\
		5121	{\
		5122	if( img.height > ysize -x0 ){\
		5123	repeat = \"repeat-x\";\
		5124	}\
		5125	}\
		5126	var pattern = ctx.createPattern(img,repeat);\
		5127	ctx.rect(x0,y0,xsize,ysize);\
		5128	ctx.fillStyle = pattern;\
		5129	}\
		5130	ctx.fill();\
		5131	};\
		5132	ctx.restore();\
		5133	return;\
7653	schaersvoo	5134	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5135	break;
8224	bpr	5136
7614	schaersvoo	5137	case DRAW_DOTFILL:/* not used for userdraw */
		5138	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	5139	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	5140	var obj;\
		5141	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5142	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5143	}\
		5144	else\
		5145	{\
		5146	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5147	};\
		5148	var ctx = obj.getContext(\"2d\");\
		5149	var x,y;\
		5150	ctx.closePath();\
		5151	ctx.save();\
7645	schaersvoo	5152	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5153	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5154	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5155	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		5156	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		5157	ctx.closePath();\
		5158	}\
		5159	}\
		5160	ctx.fill();\
		5161	ctx.restore();\
7653	schaersvoo	5162	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5163	break;
7645	schaersvoo	5164
7647	schaersvoo	5165	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	5166	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5167	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	5168	var obj;\
		5169	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5170	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5171	}\
		5172	else\
		5173	{\
		5174	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5175	};\
		5176	var ctx = obj.getContext(\"2d\");\
		5177	var x;\
		5178	var y;\
		5179	ctx.save();\
		5180	ctx.lineWidth = linewidth;\
		5181	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5182	y = ysize;\
		5183	for( x = x0 ; x < xsize ; x = x + dx ){\
		5184	ctx.moveTo(x,y0);\
		5185	ctx.lineTo(xsize,y);\
		5186	y = y - dy;\
		5187	};\
		5188	y = y0;\
		5189	for( x = xsize ; x > 0 ; x = x - dx){\
		5190	ctx.moveTo(x,ysize);\
		5191	ctx.lineTo(x0,y);\
		5192	y = y + dy;\
		5193	};\
		5194	x = x0;\
		5195	for( y = y0 ; y < ysize ; y = y + dy ){\
		5196	ctx.moveTo(xsize,y);\
		5197	ctx.lineTo(x,ysize);\
		5198	x = x + dx;\
		5199	};\
		5200	x = xsize;\
		5201	for( y = ysize ; y > y0 ; y = y - dy ){\
		5202	ctx.moveTo(x,y0);\
		5203	ctx.lineTo(x0,y);\
		5204	x = x - dx;\
		5205	};\
		5206	ctx.stroke();\
		5207	ctx.restore();\
		5208	return;\
7653	schaersvoo	5209	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5210	break;
8224	bpr	5211
7647	schaersvoo	5212	case DRAW_HATCHFILL:/* not used for userdraw */
		5213	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5214	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	5215	var obj;\
		5216	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5217	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5218	}\
		5219	else\
		5220	{\
		5221	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5222	};\
		5223	var ctx = obj.getContext(\"2d\");\
		5224	var x;\
		5225	var y;\
		5226	ctx.save();\
		5227	ctx.lineWidth = linewidth;\
		5228	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5229	y = ysize;\
		5230	for( x = x0 ; x < xsize ; x = x + dx ){\
		5231	ctx.moveTo(x,y0);\
		5232	ctx.lineTo(xsize,y);\
		5233	y = y - dy;\
		5234	};\
		5235	y = y0;\
		5236	for( x = xsize ; x >= dx ; x = x - dx){\
		5237	ctx.moveTo(x,ysize);\
		5238	ctx.lineTo(x0,y);\
		5239	y = y + dy;\
		5240	};\
		5241	ctx.stroke();\
		5242	ctx.restore();\
		5243	return;\
7653	schaersvoo	5244	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5245	break;
7614	schaersvoo	5246	case DRAW_CIRCLES:/* used for userdraw */
		5247	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5248	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	5249	ctx.save();\
8071	schaersvoo	5250	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5251	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5252	ctx.lineWidth = line_width;\
		5253	for(var p = 0 ; p < x_points.length ; p++ ){\
		5254	ctx.beginPath();\
		5255	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5256	ctx.closePath();\
		5257	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5258	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5259	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5260	ctx.stroke();\
		5261	}\
		5262	ctx.restore();\
		5263	return;\
7653	schaersvoo	5264	};");
7614	schaersvoo	5265	break;
7663	schaersvoo	5266	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5267	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5268	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	5269	ctx.save();\
8071	schaersvoo	5270	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5271	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5272	ctx.lineWidth = line_width;\
		5273	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5274	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5275	ctx.clearRect(0,0,xsize,ysize);\
		5276	ctx.beginPath();\
		5277	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5278	ctx.moveTo(x_points[p],y_points[p]);\
		5279	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5280	}\
		5281	ctx.closePath();\
		5282	ctx.stroke();\
		5283	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5284	for(var p = 0 ; p < x_points.length ; p++ ){\
		5285	ctx.beginPath();\
		5286	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5287	ctx.closePath();ctx.fill();ctx.stroke();\
		5288	};\
		5289	ctx.restore();\
		5290	return;\
		5291	};");
		5292	break;
8224	bpr	5293
7614	schaersvoo	5294	case DRAW_SEGMENTS:/* used for userdraw */
		5295	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5296	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	5297	ctx.save();\
8071	schaersvoo	5298	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5299	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5300	ctx.lineWidth = line_width;\
		5301	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5302	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5303	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5304	ctx.beginPath();\
		5305	ctx.moveTo(x_points[p],y_points[p]);\
		5306	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5307	ctx.closePath();\
		5308	ctx.stroke();\
		5309	}\
		5310	ctx.restore();\
		5311	return;\
		5312	};");
		5313	break;
8224	bpr	5314
7614	schaersvoo	5315	case DRAW_LINES:/* used for userdraw */
		5316	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5317	function calc_line(x1,x2,y1,y2){\
		5318	var marge = 2;\
		5319	if(x1 < x2+marge && x1>x2-marge){\
		5320	return [x1,0,x1,ysize];\
		5321	};\
		5322	if(y1 < y2+marge && y1>y2-marge){\
		5323	return [0,y1,xsize,y1];\
		5324	};\
		5325	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5326	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5327	return [0,Y1,xsize,Y2];\
		5328	};\
8105	schaersvoo	5329	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	5330	ctx.save();\
		5331	var line = new Array(4);\
8071	schaersvoo	5332	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5333	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5334	ctx.lineWidth = line_width;\
		5335	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5336	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5337	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5338	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5339	ctx.beginPath();\
		5340	ctx.moveTo(line[0],line[1]);\
		5341	ctx.lineTo(line[2],line[3]);\
		5342	ctx.closePath();\
		5343	ctx.stroke();\
		5344	}\
		5345	ctx.restore();\
		5346	return;\
		5347	};");
		5348	break;
		5349
8244	schaersvoo	5350	case DRAW_DEMILINES:/* used for userdraw */
		5351	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5352	function find_inf_point(x1,y1,x2,y2){\
		5353	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5354	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5355	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5356	};\
		5357	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){\
		5358	ctx.save();\
		5359	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5360	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5361	ctx.lineWidth = line_width;\
		5362	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5363	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5364	var pair = new Array(4);\
		5365	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5366	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5367	ctx.beginPath();\
		5368	ctx.moveTo(pair[0],pair[1]);\
		5369	ctx.lineTo(pair[2],pair[3]);\
		5370	ctx.closePath();\
		5371	ctx.stroke();\
		5372	}\
		5373	ctx.restore();\
		5374	return;\
		5375	};");
		5376	break;
		5377
7614	schaersvoo	5378	case DRAW_CROSSHAIRS:/* used for userdraw */
		5379	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5380	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	5381	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5382	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5383	ctx.lineWidth = line_width;\
		5384	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5385	var x1,x2,y1,y2;\
		5386	for(var p = 0 ; p < x_points.length ; p++ ){\
		5387	x1 = x_points[p] - crosshair_size;\
		5388	x2 = x_points[p] + crosshair_size;\
		5389	y1 = y_points[p] - crosshair_size;\
		5390	y2 = y_points[p] + crosshair_size;\
		5391	ctx.beginPath();\
		5392	ctx.moveTo(x1,y1);\
		5393	ctx.lineTo(x2,y2);\
		5394	ctx.closePath();\
		5395	ctx.stroke();\
		5396	ctx.beginPath();\
		5397	ctx.moveTo(x2,y1);\
		5398	ctx.lineTo(x1,y2);\
		5399	ctx.closePath();\
		5400	ctx.stroke();\
		5401	}\
		5402	ctx.restore();\
		5403	return;\
7653	schaersvoo	5404	};");
7614	schaersvoo	5405	break;
		5406
		5407	case DRAW_RECTS:/* used for userdraw */
		5408	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5409	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	5410	ctx.save();\
8071	schaersvoo	5411	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5412	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5413	ctx.lineWidth = line_width;\
		5414	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5415	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5416	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5417	ctx.beginPath();\
		5418	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5419	ctx.closePath();\
		5420	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5421	ctx.stroke();\
		5422	};\
		5423	ctx.restore();\
		5424	return;\
7653	schaersvoo	5425	};");
7614	schaersvoo	5426	break;
		5427
		5428	case DRAW_ROUNDRECTS:/* used for userdraw */
		5429	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5430	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	5431	ctx.save();\
8071	schaersvoo	5432	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5433	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5434	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5435	var x,y,w,h,r;\
		5436	for(var p = 0; p < x_points.length; p = p+2){\
		5437	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);\
		5438	ctx.beginPath();ctx.moveTo(x + r, y);\
		5439	ctx.lineTo(x + w - r, y);\
		5440	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5441	ctx.lineTo(x + w, y + h - r);\
		5442	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5443	ctx.lineTo(x + r, y + h);\
		5444	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5445	ctx.lineTo(x, y + r);\
		5446	ctx.quadraticCurveTo(x, y, x + r, y);\
		5447	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5448	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5449	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5450	ctx.stroke();\
		5451	}\
		5452	ctx.restore();\
7653	schaersvoo	5453	};");
8224	bpr	5454	break;
7614	schaersvoo	5455
		5456	case DRAW_ELLIPSES:/* not used for userdraw */
		5457	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5458	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	5459	var obj;\
		5460	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5461	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5462	}\
		5463	else\
		5464	{\
		5465	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5466	};\
		5467	var ctx = obj.getContext(\"2d\");\
		5468	ctx.save();\
8071	schaersvoo	5469	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5470	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5471	var cx,cy,ry,rx;\
		5472	ctx.lineWidth = line_width;\
		5473	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5474	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5475	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5476	for(var p=0;p< x_points.length;p = p+2){\
		5477	ctx.beginPath();\
		5478	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5479	ctx.translate(cx - rx, cy - ry);\
		5480	ctx.scale(rx, ry);\
		5481	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5482	if( use_filled == 1 ){ctx.fill();}\
		5483	ctx.stroke();\
		5484	};\
		5485	ctx.restore();\
7653	schaersvoo	5486	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5487	break;
		5488
		5489	case DRAW_PATHS: /* used for userdraw */
		5490	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5491	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	5492	ctx.save();\
8071	schaersvoo	5493	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5494	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5495	ctx.lineWidth = line_width;\
		5496	ctx.lineJoin = \"round\";\
		5497	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5498	ctx.beginPath();\
		5499	ctx.moveTo(x_points[0],y_points[0]);\
		5500	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5501	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5502	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5503	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5504	ctx.stroke();\
		5505	ctx.restore();\
		5506	return;\
		5507	};");
8224	bpr	5508
7614	schaersvoo	5509	break;
		5510	case DRAW_ARROWS:/* used for userdraw */
		5511	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5512	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	5513	ctx.save();\
8071	schaersvoo	5514	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5515	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5516	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5517	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5518	ctx.lineWidth = line_width;\
		5519	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5520	ctx.lineCap = \"round\";\
		5521	var x1,y1,x2,y2,dx,dy,len;\
		5522	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5523	ctx.save();\
7614	schaersvoo	5524	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5525	len = Math.sqrt(dxdx+dydy);\
		5526	ctx.translate(x2,y2);\
		5527	ctx.rotate(Math.atan2(dy,dx));\
		5528	ctx.lineCap = \"round\";\
		5529	ctx.beginPath();\
		5530	ctx.moveTo(0,0);\
		5531	ctx.lineTo(-len,0);\
		5532	ctx.closePath();\
		5533	ctx.stroke();\
		5534	ctx.beginPath();\
		5535	ctx.moveTo(0,0);\
		5536	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5537	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5538	ctx.closePath();\
		5539	ctx.fill();\
7874	schaersvoo	5540	ctx.restore();\
7614	schaersvoo	5541	if( type == 2 ){\
		5542	ctx.save();\
		5543	ctx.translate(x1,y1);\
		5544	ctx.rotate(Math.atan2(-dy,-dx));\
		5545	ctx.beginPath();\
		5546	ctx.moveTo(0,0);\
8347	schaersvoo	5547	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		5548	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	5549	ctx.closePath();\
		5550	ctx.stroke();\
		5551	ctx.fill();\
7874	schaersvoo	5552	ctx.restore();\
7614	schaersvoo	5553	}\
		5554	}\
		5555	ctx.restore();\
		5556	return;\
7653	schaersvoo	5557	};");
7614	schaersvoo	5558	break;
		5559
		5560	case DRAW_VIDEO:/* not used for userdraw */
		5561	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5562	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5563	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5564	var video_div = document.createElement(\"div\");\
		5565	canvas_div.appendChild(video_div);\
		5566	video_div.style.position = \"absolute\";\
		5567	video_div.style.left = x+\"px\";\
		5568	video_div.style.top = y+\"px\";\
		5569	video_div.style.width = w+\"px\";\
		5570	video_div.style.height = h+\"px\";\
		5571	var video = document.createElement(\"video\");\
		5572	video_div.appendChild(video);\
		5573	video.style.width = w+\"px\";\
		5574	video.style.height = h+\"px\";\
		5575	video.autobuffer = true;\
		5576	video.controls = true;video.autoplay = false;\
		5577	var src = document.createElement(\"source\");\
		5578	src.type = \"video/mp4\";\
		5579	src.src = URL;\
		5580	video.appendChild(src);\
		5581	video.load();\
		5582	return;\
8224	bpr	5583	};");
7614	schaersvoo	5584	break;
8224	bpr	5585
7614	schaersvoo	5586	case DRAW_AUDIO:/* not used for userdraw */
		5587	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5588	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5589	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5590	var audio_div = document.createElement(\"div\");\
		5591	canvas_div.appendChild(audio_div);\
		5592	audio_div.style.position = \"absolute\";\
		5593	audio_div.style.left = x+\"px\";\
		5594	audio_div.style.top = y+\"px\";\
		5595	audio_div.style.width = w+\"px\";\
		5596	audio_div.style.height = h+\"px\";\
		5597	var audio = document.createElement(\"audio\");\
		5598	audio_div.appendChild(audio);\
		5599	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5600	audio.autobuffer = true;\
		5601	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5602	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5603	var src1 = document.createElement(\"source\");\
		5604	src1.type = \"audio/ogg\";\
		5605	src1.src = URL1;\
		5606	audio.appendChild(src1);\
		5607	var src2 = document.createElement(\"source\");\
		5608	src2.type = \"audio/mpeg\";\
		5609	src2.src = URL2;\
		5610	audio.appendChild(src2);\
		5611	audio.load();\
		5612	return;\
7653	schaersvoo	5613	};");
7614	schaersvoo	5614	break;
8224	bpr	5615
7614	schaersvoo	5616	case DRAW_HTTP:/* not used for userdraw */
		5617	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5618	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5619	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5620	var http_div = document.createElement(\"div\");\
		5621	var iframe = document.createElement(\"iframe\");\
		5622	canvas_div.appendChild(http_div);\
		5623	http_div.appendChild(iframe);\
		5624	iframe.src = URL;\
		5625	iframe.setAttribute(\"width\",w);\
		5626	iframe.setAttribute(\"height\",h);\
		5627	return;\
7653	schaersvoo	5628	};");
7614	schaersvoo	5629	break;
8224	bpr	5630
7614	schaersvoo	5631	case DRAW_XML:
		5632	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5633	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5634	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5635	var xml_div = document.createElement(\"div\");\
		5636	canvas_div.appendChild(xml_div);\
		5637	xml_div.innerHTML = mathml;\
		5638	if(onclick != 0){\
		5639	xml_div.onclick = function(){\
		5640	reply[0] = onclick;\
		5641	alert(\"send \"+onclick+\" ?\");\
		5642	};\
		5643	};\
		5644	xml_div.style.position = \"absolute\";\
		5645	xml_div.style.left = x+\"px\";\
		5646	xml_div.style.top = y+\"px\";\
		5647	xml_div.style.width = w+\"px\";\
		5648	xml_div.style.height = h+\"px\";\
		5649	return;\
7653	schaersvoo	5650	};"
7614	schaersvoo	5651	);
		5652	break;
7654	schaersvoo	5653	case DRAW_SGRAPH:
8224	bpr	5654	/*
7654	schaersvoo	5655	xstart = given
		5656	ystart = given
		5657	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5658	*/
		5659	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5660	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5661	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);};\
		5662	var ctx = obj.getContext(\"2d\");\
		5663	ctx.font = fontfamily;\
		5664	var minor_opacity = 0.8*opacity;\
		5665	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5666	var zero_x = 0.1*xsize;\
		5667	var zero_y = 0.9*ysize;\
8129	schaersvoo	5668	var snor_x;var snor_y;\
7654	schaersvoo	5669	if( xstart != xmin){\
7658	schaersvoo	5670	snor_x = 0.1*xsize;\
		5671	}\
		5672	else\
		5673	{\
		5674	snor_x = 0;\
		5675	xstart = xmin;\
		5676	};\
		5677	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5678	ctx.lineWidth = 2;\
		5679	ctx.beginPath();\
		5680	ctx.moveTo(xsize,zero_y);\
		5681	ctx.lineTo(zero_x,zero_y);\
		5682	ctx.lineTo(zero_x,0);\
		5683	ctx.stroke();\
		5684	ctx.closePath();\
		5685	ctx.beginPath();\
		5686	ctx.moveTo(zero_x,zero_y);\
		5687	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5688	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5689	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5690	ctx.lineTo(zero_x + snor_x,zero_y);\
		5691	ctx.stroke();\
		5692	ctx.closePath();\
		5693	ctx.beginPath();\
		5694	var num = xstart;\
7660	schaersvoo	5695	var flipflop = 1;\
7658	schaersvoo	5696	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5697	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5698	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5699	txtsize = ctx.measureText(num).width;\
		5700	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5701	if( flipflop == 1){\
		5702	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5703	}\
		5704	else\
		5705	{\
		5706	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5707	}\
		5708	num = num + xmajor;\
7658	schaersvoo	5709	};\
		5710	ctx.stroke();\
		5711	ctx.closePath();\
		5712	ctx.lineWidth = 1;\
		5713	ctx.beginPath();\
		5714	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5715	ctx.moveTo(x,zero_y);\
		5716	ctx.lineTo(x,0);\
		5717	};\
		5718	ctx.stroke();\
		5719	ctx.closePath();\
		5720	if( xminor > 1){\
		5721	ctx.lineWidth = 0.5;\
		5722	ctx.beginPath();\
		5723	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5724	var minor_step_x = step_x / xminor;\
		5725	var nx;\
		5726	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5727	num = 1;\
		5728	for(var p = 1 ; p < xminor ; p++){\
		5729	nx = x + num*minor_step_x;\
		5730	ctx.moveTo(nx,zero_y);\
		5731	ctx.lineTo(nx,0);\
		5732	num++;\
		5733	};\
		5734	};\
		5735	ctx.stroke();\
		5736	ctx.closePath();\
		5737	ctx.beginPath();\
		5738	ctx.lineWidth = 2;\
		5739	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5740	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5741	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5742	};\
		5743	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5744	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5745	};\
		5746	ctx.stroke();\
		5747	ctx.closePath();\
		5748	ctx.lineWidth = 0.5;\
		5749	};\
		5750	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5751	if( ystart != ymin){\
		5752	snor_y = 0.1*ysize;\
		5753	}\
		5754	else\
		5755	{\
		5756	snor_y = 0;\
		5757	ystart = ymin;\
		5758	};\
		5759	ctx.lineWidth = 2;\
		5760	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5761	ctx.beginPath();\
		5762	ctx.moveTo(zero_x,zero_y);\
		5763	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5764	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5765	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5766	ctx.lineTo(zero_x,zero_y - snor_y);\
		5767	ctx.stroke();\
		5768	ctx.closePath();\
		5769	ctx.beginPath();\
		5770	ctx.lineWidth = 1;\
		5771	num = ystart;\
		5772	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5773	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5774	ctx.moveTo(zero_x,y);\
		5775	ctx.lineTo(xsize,y);\
		5776	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5777	num = num + ymajor;\
		5778	};\
		5779	ctx.stroke();\
		5780	ctx.closePath();\
		5781	if( yminor > 1){\
		5782	ctx.lineWidth = 0.5;\
		5783	ctx.beginPath();\
		5784	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5785	var minor_step_y = step_y / yminor;\
		5786	var ny;\
		5787	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5788	num = 1;\
		5789	for(var p = 1 ;p < yminor;p++){\
		5790	ny = y + num*minor_step_y;\
		5791	ctx.moveTo(zero_x,ny);\
		5792	ctx.lineTo(xsize,ny);\
		5793	num++;\
		5794	};\
		5795	};\
		5796	ctx.stroke();\
		5797	ctx.closePath();\
		5798	ctx.lineWidth = 2;\
		5799	ctx.beginPath();\
		5800	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5801	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5802	ctx.moveTo(zero_x,y);\
		5803	ctx.lineTo(zero_x+12,y);\
		5804	};\
		5805	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5806	ctx.moveTo(zero_x,y);\
		5807	ctx.lineTo(zero_x+6,y);\
		5808	};\
		5809	ctx.stroke();\
		5810	ctx.closePath();\
		5811	};\
		5812	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5813	if( typeof legend%d !== 'undefined' ){\
		5814	ctx.globalAlpha = 1.0;\
		5815	var y_offset = 2*font_size;\
		5816	var txt;var txt_size;\
		5817	var x_offset = xsize - 2*font_size;\
		5818	var l_length = legend%d.length;var barcolor = new Array();\
		5819	if( typeof legendcolors%d !== 'undefined' ){\
		5820	for(var p = 0 ; p < l_length ; p++){\
		5821	barcolor[p] = legendcolors%d[p];\
		5822	};\
		5823	}else{\
		5824	if( barcolor.length == 0 ){\
		5825	for(var p = 0 ; p < l_length ; p++){\
		5826	barcolor[p] = stroke_color;\
		5827	};\
		5828	};\
		5829	};\
		5830	for(var p = 0; p < l_length; p++){\
		5831	ctx.fillStyle = barcolor[p];\
		5832	txt = legend%d[p];\
		5833	txt_size = ctx.measureText(txt).width;\
		5834	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5835	y_offset = parseInt(y_offset + 1.5*font_size);\
		5836	};\
		5837	};\
7660	schaersvoo	5838	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5839	ctx.fillStyle = \'#000000\';\
		5840	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5841	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5842	};\
7660	schaersvoo	5843	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5844	ctx.save();\
		5845	ctx.fillStyle = \'#000000\';\
		5846	var txt_size = ctx.measureText(yaxislabel).width;\
		5847	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5848	ctx.rotate(-0.5*Math.PI);\
		5849	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5850	ctx.restore();\
7658	schaersvoo	5851	};\
7654	schaersvoo	5852	};\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);
		5853	break;
7614	schaersvoo	5854
		5855	case DRAW_GRID:/* not used for userdraw */
		5856	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5857	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	5858	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);};\
		5859	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5860	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5861	ctx.save();\
8071	schaersvoo	5862	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5863	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5864	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5865	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5866	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5867	ctx.font = font_family;\
7988	schaersvoo	5868	var barcolor = new Array();\
7614	schaersvoo	5869	var xstep = xsize*xmajor/(xmax - xmin);\
		5870	var ystep = ysize*ymajor/(ymax - ymin);\
		5871	var x2step = xstep / xminor;\
		5872	var y2step = ystep / yminor;\
7996	schaersvoo	5873	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5874	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5875	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5876	ctx.beginPath();\
		5877	ctx.lineWidth = line_width;\
		5878	ctx.strokeStyle = stroke_color;\
		5879	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5880	ctx.moveTo(p,0);\
		5881	ctx.lineTo(p,ysize);\
		5882	};\
		5883	for(var p = zero_x ; p > 0; p = p - xstep){\
		5884	ctx.moveTo(p,0);\
		5885	ctx.lineTo(p,ysize);\
		5886	};\
		5887	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5888	ctx.moveTo(0,p);\
		5889	ctx.lineTo(xsize,p);\
		5890	};\
		5891	for(var p = zero_y ; p > 0; p = p - ystep){\
		5892	ctx.moveTo(0,p);\
		5893	ctx.lineTo(xsize,p);\
		5894	};\
		5895	if( typeof xaxislabel !== 'undefined' ){\
		5896	ctx.save();\
		5897	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5898	var corr = ctx.measureText(xaxislabel).width;\
		5899	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5900	ctx.restore();\
		5901	};\
		5902	if( typeof yaxislabel !== 'undefined' ){\
		5903	ctx.save();\
		5904	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5905	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5906	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5907	ctx.rotate(-0.5*Math.PI);\
		5908	ctx.fillText(yaxislabel,0,0);\
		5909	ctx.restore();\
		5910	};\
		5911	ctx.stroke();\
		5912	ctx.closePath();\
		5913	if( use_axis == 1 ){\
7988	schaersvoo	5914	ctx.save();\
7614	schaersvoo	5915	ctx.beginPath();\
		5916	ctx.strokeStyle = stroke_color;\
		5917	ctx.lineWidth = 0.6*line_width;\
		5918	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5919	ctx.moveTo(p,0);\
		5920	ctx.lineTo(p,ysize);\
		5921	};\
		5922	for(var p = zero_x ; p > 0; p = p - x2step){\
		5923	ctx.moveTo(p,0);\
		5924	ctx.lineTo(p,ysize);\
		5925	};\
		5926	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5927	ctx.moveTo(0,p);\
		5928	ctx.lineTo(xsize,p);\
		5929	};\
		5930	for(var p = zero_y ; p > 0; p = p - y2step){\
		5931	ctx.moveTo(0,p);\
		5932	ctx.lineTo(xsize,p);\
		5933	};\
		5934	ctx.stroke();\
		5935	ctx.closePath();\
		5936	ctx.beginPath();\
		5937	ctx.lineWidth = 2*line_width;\
		5938	ctx.strokeStyle = axis_color;\
		5939	ctx.moveTo(0,zero_y);\
		5940	ctx.lineTo(xsize,zero_y);\
		5941	ctx.moveTo(zero_x,0);\
		5942	ctx.lineTo(zero_x,ysize);\
		5943	ctx.stroke();\
		5944	ctx.closePath();\
		5945	ctx.lineWidth = line_width+0.5;\
		5946	ctx.beginPath();\
		5947	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5948	ctx.moveTo(p,zero_y-tics_length);\
		5949	ctx.lineTo(p,zero_y+tics_length);\
		5950	};\
		5951	for(var p = zero_x ; p > 0; p = p - xstep){\
		5952	ctx.moveTo(p,zero_y-tics_length);\
		5953	ctx.lineTo(p,zero_y+tics_length);\
		5954	};\
		5955	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5956	ctx.moveTo(zero_x-tics_length,p);\
		5957	ctx.lineTo(zero_x+tics_length,p);\
		5958	};\
		5959	for(var p = zero_y ; p > 0; p = p - ystep){\
		5960	ctx.moveTo(zero_x-tics_length,p);\
		5961	ctx.lineTo(zero_x+tics_length,p);\
		5962	};\
		5963	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5964	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5965	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5966	};\
		5967	for(var p = zero_x ; p > 0; p = p - x2step){\
		5968	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5969	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5970	};\
		5971	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5972	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5973	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5974	};\
		5975	for(var p = zero_y ; p > 0; p = p - y2step){\
		5976	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5977	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5978	};\
		5979	ctx.stroke();\
		5980	ctx.closePath();\
7988	schaersvoo	5981	ctx.restore();\
		5982	};\
		5983	if( use_axis_numbering == 1 ){\
		5984	ctx.save();\
		5985	ctx.fillColor = axis_color;\
8110	schaersvoo	5986	ctx.strokeStyle = axis_color;\
		5987	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5988	ctx.font = font_family;\
		5989	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5990	if( x_strings != null ){\
		5991	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5992	ctx.beginPath();\
7988	schaersvoo	5993	for(var p = 0 ; p < len ; p = p+2){\
		5994	var x_nums = x2px(eval(x_strings[p]));\
		5995	var x_text = x_strings[p+1];\
		5996	corr = ctx.measureText(x_text).width;\
		5997	skip = 1.2*corr/xstep;\
		5998	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5999	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		6000	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	6001	ctx.moveTo(x_nums,zero_y - tics_length);\
		6002	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	6003	};\
8110	schaersvoo	6004	ctx.closePath();\
7988	schaersvoo	6005	}\
		6006	else\
		6007	{\
		6008	skip = 1;cnt = px2x(zero_x);\
		6009	prec = Math.log(precision)/(Math.log(10));\
		6010	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		6011	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		6012	if(skip == 0 ){\
7990	schaersvoo	6013	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6014	corr = ctx.measureText(disp_cnt).width;\
		6015	skip = parseInt(1.2*corr/xstep);\
		6016	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	6017	}\
7988	schaersvoo	6018	else\
		6019	{\
		6020	skip--;\
7614	schaersvoo	6021	};\
7988	schaersvoo	6022	cnt = cnt + xmajor;\
7614	schaersvoo	6023	};\
7988	schaersvoo	6024	cnt = px2x(zero_x);skip = 1;\
		6025	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		6026	if(skip == 0 ){\
7990	schaersvoo	6027	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6028	corr = ctx.measureText(disp_cnt).width;\
		6029	skip = parseInt(1.2*corr/xstep);\
		6030	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		6031	}\
		6032	else\
		6033	{\
		6034	skip--;\
7614	schaersvoo	6035	};\
7988	schaersvoo	6036	cnt = cnt - xmajor;\
7614	schaersvoo	6037	};\
		6038	};\
7988	schaersvoo	6039	if( y_strings != null ){\
		6040	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	6041	ctx.beginPath();\
7988	schaersvoo	6042	for(var p = 0 ; p < len ; p = p+2){\
		6043	var y_nums = y2px(eval(y_strings[p]));\
		6044	var y_text = y_strings[p+1];\
		6045	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		6046	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	6047	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		6048	ctx.moveTo(zero_x - tics_length,y_nums);\
		6049	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	6050	};\
8110	schaersvoo	6051	ctx.closePath();\
7988	schaersvoo	6052	}\
		6053	else\
		6054	{\
7991	schaersvoo	6055	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	6056	cnt = px2y(zero_y);skip = 1;\
		6057	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		6058	if(skip == 0 ){\
		6059	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	6060	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6061	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		6062	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		6063	}\
		6064	else\
		6065	{\
		6066	skip--;\
		6067	};\
		6068	cnt = cnt - ymajor;\
7614	schaersvoo	6069	};\
7988	schaersvoo	6070	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	6071	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	6072	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		6073	if(skip == 0 ){\
		6074	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	6075	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6076	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		6077	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		6078	}\
		6079	else\
		6080	{\
		6081	skip--;\
		6082	};\
		6083	cnt = cnt + ymajor;\
7614	schaersvoo	6084	};\
		6085	};\
7988	schaersvoo	6086	ctx.stroke();\
7614	schaersvoo	6087	ctx.restore();\
		6088	};\
7956	schaersvoo	6089	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	6090	ctx.save();\
7614	schaersvoo	6091	ctx.globalAlpha = 1.0;\
		6092	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		6093	var y_offset = 2*font_size;\
		6094	var txt;var txt_size;\
		6095	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	6096	var l_length = legend0.length;\
		6097	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	6098	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	6099	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	6100	};\
7988	schaersvoo	6101	}\
		6102	else\
		6103	{\
7614	schaersvoo	6104	if( barcolor.length == 0 ){\
		6105	for(var p = 0 ; p < l_length ; p++){\
		6106	barcolor[p] = stroke_color;\
		6107	};\
		6108	};\
		6109	};\
		6110	for(var p = 0; p < l_length; p++){\
		6111	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	6112	txt = legend0[p];\
7614	schaersvoo	6113	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	6114	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	6115	y_offset = parseInt(y_offset + 1.5*font_size);\
		6116	};\
7988	schaersvoo	6117	ctx.restore();\
7614	schaersvoo	6118	};\
7991	schaersvoo	6119	if( typeof barchart_0 !== 'undefined' ){\
		6120	ctx.save();\
		6121	var num_barcharts = 0;\
		6122	var bar_name = eval('barchart_0');\
		6123	while( typeof bar_name !== 'undefined' ){\
		6124	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		6125	};\
		6126	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		6127	for(var i=0 ; i< num_barcharts ; i++){\
		6128	bar_name = eval('barchart_'+i);\
		6129	var bar_x = new Array();\
		6130	var bar_y = new Array();\
		6131	var lb = bar_name.length;\
		6132	var idx = 0;\
		6133	var dx = parseInt(0.5ibar_width);\
		6134	for( var p = 0 ; p < lb ; p = p + 3 ){\
		6135	bar_x[idx] = x2px(bar_name[p]);\
		6136	bar_y[idx] = y2px(bar_name[p+1]);\
		6137	barcolor[idx] = bar_name[p+2];\
		6138	idx++;\
		6139	};\
		6140	ctx.globalAlpha = fill_opacity;\
		6141	ctx.beginPath();\
		6142	for( var p = 0; p < idx ; p++ ){\
		6143	ctx.strokeStyle = barcolor[p];\
		6144	ctx.fillStyle = barcolor[p];\
		6145	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		6146	};\
		6147	ctx.fill();\
		6148	ctx.stroke();\
		6149	ctx.closePath();\
		6150	};\
		6151	ctx.restore();\
		6152	};\
7996	schaersvoo	6153	if( typeof linegraph_0 !== 'undefined' ){\
		6154	ctx.save();\
		6155	ctx.globalAlpha = 1.0;\
		6156	var i = 0;\
		6157	var line_name = eval('linegraph_'+i);\
		6158	while ( typeof line_name !== 'undefined' ){\
		6159	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		6160	ctx.lineWidth = parseInt(line_name[1]);\
		6161	if(line_name[2] == \"1\"){\
		6162	var d1 = parseInt(line_name[3]);\
		6163	var d2 = parseInt(line_name[4]);\
		6164	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		6165	}\
		6166	else\
		6167	{\
		6168	if(ctx.setLineDash){ctx.setLineDash = null;}\
		6169	if(ctx.mozDash){ctx.mozDash = null;}\
		6170	};\
		6171	var data_x = new Array();\
		6172	var data_y = new Array();\
		6173	var lb = line_name.length;\
		6174	var idx = 0;\
		6175	for( var p = 5 ; p < lb ; p = p + 2 ){\
		6176	data_x[idx] = x2px(line_name[p]);\
		6177	data_y[idx] = y2px(line_name[p+1]);\
		6178	idx++;\
		6179	};\
		6180	for( var p = 0; p < idx ; p++){\
		6181	ctx.beginPath();\
		6182	ctx.moveTo(data_x[p],data_y[p]);\
		6183	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		6184	ctx.stroke();\
		6185	ctx.closePath();\
		6186	};\
		6187	i++;\
		6188	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		6189	};\
		6190	ctx.restore();\
		6191	};\
7614	schaersvoo	6192	return;\
7989	schaersvoo	6193	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6194	break;
8224	bpr	6195
7614	schaersvoo	6196	case DRAW_PIECHART:
7987	schaersvoo	6197	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	6198	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	6199	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6200	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6201	}\
		6202	else\
		6203	{\
		6204	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6205	};\
		6206	var ld = data_color_list.length;\
		6207	var sum = 0;\
		6208	var idx = 0;\
7956	schaersvoo	6209	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	6210	var colors = new Array();\
		6211	var data = new Array();\
		6212	for(var p = 0;p < ld; p = p + 2){\
		6213	data[idx] = parseFloat(data_color_list[p]);\
		6214	sum = sum + data[idx];\
		6215	colors[idx] = data_color_list[p+1];\
		6216	idx++;\
		6217	};\
		6218	var ctx = obj.getContext(\"2d\");\
		6219	ctx.save();\
		6220	var angle;\
		6221	var angle_end = 0;\
		6222	var offset = Math.PI / 2;\
		6223	ctx.globalAlpha = fill_opacity;\
		6224	for(var p=0; p < idx; p++){\
		6225	ctx.beginPath();\
		6226	ctx.fillStyle = colors[p];\
		6227	ctx.moveTo(x_center,y_center);\
		6228	angle = Math.PI * (2 * data[p] / sum);\
		6229	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		6230	ctx.lineTo(x_center, y_center);\
		6231	ctx.fill();\
		6232	ctx.closePath();\
		6233	angle_end = angle_end + angle;\
		6234	};\
7956	schaersvoo	6235	if(typeof legend0 !== 'undefined'){\
		6236	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	6237	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6238	ctx.font = font_family;\
7614	schaersvoo	6239	var y_offset = font_size; \
		6240	var x_offset = 0;\
		6241	var txt;var txt_size;\
		6242	for(var p = 0; p < idx; p++){\
		6243	ctx.fillStyle = colors[p];\
7956	schaersvoo	6244	txt = legenda[p];\
7614	schaersvoo	6245	txt_size = ctx.measureText(txt).width;\
		6246	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6247	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6248	y_offset = parseInt(y_offset + 1.5*font_size);\
		6249	};\
		6250	};\
		6251	ctx.restore();\
7956	schaersvoo	6252	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6253
7614	schaersvoo	6254	break;
		6255	case DRAW_ARCS:
		6256	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6257	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	6258	ctx.save();\
		6259	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6260	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6261	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6262	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6263	start = 360 - start;\
		6264	end = 360 - end;\
7614	schaersvoo	6265	ctx.lineWidth = line_width;\
		6266	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6267	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6268	ctx.beginPath();\
		6269	ctx.moveTo(xc,yc);\
		6270	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6271	ctx.lineTo(xc,yc);\
		6272	ctx.closePath();\
7614	schaersvoo	6273	if( use_filled == 1 ){\
		6274	ctx.fill();\
8071	schaersvoo	6275	};\
		6276	ctx.stroke();\
7614	schaersvoo	6277	ctx.restore();\
8071	schaersvoo	6278	};");
8224	bpr	6279
7614	schaersvoo	6280	break;
7983	schaersvoo	6281	case DRAW_CENTERSTRING:
		6282	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6283	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6284	var obj;\
		6285	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6286	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6287	}\
		6288	else\
		6289	{\
		6290	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6291	};\
		6292	var ctx = obj.getContext(\"2d\");\
		6293	ctx.save();\
		6294	ctx.font = font_family;\
		6295	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6296	var stringwidth = ctx.measureText(text).width;\
		6297	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6298	ctx.fillText(text,x,y2px(y));\
		6299	return;\
		6300	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6301	break;
7614	schaersvoo	6302	case DRAW_TEXTS:
		6303	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6304	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	6305	var obj;\
		6306	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6307	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6308	}\
		6309	else\
		6310	{\
		6311	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6312	};\
		6313	var ctx = obj.getContext(\"2d\");\
		6314	if(angle2 == 0 && angle != 0){\
		6315	ctx.save();\
8071	schaersvoo	6316	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6317	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6318	};\
		6319	if( font_family.indexOf('px') != null ){\
		6320	ctx.font = font_family;\
		6321	}\
		6322	else\
		6323	{\
7956	schaersvoo	6324	ctx.font = font_family;\
7614	schaersvoo	6325	};\
		6326	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6327	if(angle2 != 0){\
		6328	ctx.save();\
		6329	ctx.translate(x,y);\
		6330	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6331	ctx.fillText(text,0,0);\
		6332	ctx.restore();\
		6333	}else{ctx.fillText(text,x,y);};\
		6334	ctx.restore();\
		6335	return;\
7653	schaersvoo	6336	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6337	break;
		6338	case DRAW_CURVE:
		6339	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6340	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	6341	var obj;\
		6342	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6343	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6344	}\
		6345	else\
		6346	{\
		6347	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6348	};\
		6349	var ctx = obj.getContext(\"2d\");\
		6350	ctx.save();\
8071	schaersvoo	6351	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6352	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6353	ctx.beginPath();ctx.lineWidth = line_width;\
		6354	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6355	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6356	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6357	for(var p = 1 ; p < x_points.length ; p++){\
		6358	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6359	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6360	}\
		6361	else\
		6362	{\
		6363	ctx.stroke();\
		6364	ctx.beginPath();\
		6365	p++;\
		6366	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6367	};\
		6368	};\
		6369	ctx.stroke();\
		6370	ctx.restore();\
7653	schaersvoo	6371	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6372	break;
8224	bpr	6373
7614	schaersvoo	6374	case DRAW_INPUTS:
		6375	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6376	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6377	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6378	var input = document.createElement(\"input\");\
		6379	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6380	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6381	input.setAttribute(\"size\",size);\
		6382	input.setAttribute(\"value\",value);\
7877	schaersvoo	6383	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6384	canvas_div.appendChild(input);};");
7614	schaersvoo	6385	break;
8224	bpr	6386
7614	schaersvoo	6387	case DRAW_TEXTAREAS:
		6388	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6389	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6390	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6391	var textarea = document.createElement(\"textarea\");\
		6392	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6393	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6394	textarea.setAttribute(\"cols\",cols);\
		6395	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6396	textarea.value = value;\
		6397	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6398	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6399	break;
8224	bpr	6400
7614	schaersvoo	6401	case DRAW_PIXELS:
		6402	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6403	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6404	var canvas = create_canvas%d(10,xsize,ysize);\
		6405	var d = 0.5*pixelsize;\
		6406	var ctx = canvas.getContext(\"2d\");\
		6407	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6408	ctx.clearRect(0,0,xsize,ysize);\
		6409	for(var p=0; p<x.length;p++){\
		6410	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6411	};\
		6412	ctx.fill();ctx.stroke();\
		6413	};",canvas_root_id);
		6414	break;
		6415
		6416	case DRAW_CLOCK:
		6417	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6418	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6419	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6420	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6421	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6422	clock_ctx.save();\
7997	schaersvoo	6423	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6424	this.type = type \|\| 0;\
		6425	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6426	this.H = H;\
		6427	this.M = M;\
		6428	this.S = S;\
8000	schaersvoo	6429	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6430	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6431	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6432	this.xc = xc \|\| xsize/2;\
		6433	this.yc = yc \|\| ysize/2;\
		6434	this.radius = radius \|\| xsize/4;\
		6435	var font_size = parseInt(0.2*this.radius);\
		6436	this.H_color = h_color \|\| \"blue\";\
		6437	this.M_color = m_color \|\| \"blue\";\
		6438	this.S_color = s_color \|\| \"blue\";\
		6439	this.fg_color = fg_color \|\| \"red\";\
		6440	this.bg_color = bg_color \|\| \"white\";\
		6441	clock_ctx.translate(this.xc,this.yc);\
		6442	clock_ctx.beginPath();\
		6443	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6444	clock_ctx.fillStyle = this.bg_color;\
		6445	clock_ctx.fill();\
		6446	clock_ctx.closePath();\
		6447	clock_ctx.beginPath();\
		6448	clock_ctx.font = font_size+\"px Arial\";\
		6449	clock_ctx.fillStyle = this.fg_color;\
		6450	clock_ctx.textAlign = \"center\";\
		6451	clock_ctx.textBaseline = 'middle';\
		6452	var angle;var x1,y1,x2,y2;\
		6453	var angle_cos;var angle_sin;\
7997	schaersvoo	6454	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6455	switch(type){\
		6456	case 0:clock_ctx.beginPath();\
		6457	for(var p = 1; p <= 12 ; p++){\
		6458	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6459	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6460	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6461	clock_ctx.moveTo(x1,y1);\
		6462	clock_ctx.lineTo(x2,y2);\
		6463	};\
		6464	for(var p = 1; p <= 60 ; p++){\
		6465	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6466	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6467	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6468	clock_ctx.moveTo(x1,y1);\
		6469	clock_ctx.lineTo(x2,y2);\
		6470	};\
		6471	clock_ctx.closePath();\
		6472	clock_ctx.stroke();\
		6473	break;\
		6474	case 1:\
		6475	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	6476	case 2:\
		6477	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	6478	clock_ctx.beginPath();\
		6479	for(var p = 1; p <= 12 ; p++){\
		6480	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6481	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6482	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6483	clock_ctx.moveTo(x1,y1);\
		6484	clock_ctx.lineTo(x2,y2);\
		6485	};\
		6486	for(var p = 1; p <= 60 ; p++){\
		6487	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6488	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6489	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6490	clock_ctx.moveTo(x1,y1);\
		6491	clock_ctx.lineTo(x2,y2);\
		6492	};\
		6493	clock_ctx.closePath();\
		6494	clock_ctx.stroke();\
		6495	break;\
		6496	};\
		6497	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6498	clock_ctx.rotate(angle);\
		6499	clock_ctx.beginPath();\
		6500	clock_ctx.moveTo(-3, -2);\
		6501	clock_ctx.lineTo(-3, 2);\
		6502	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6503	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6504	clock_ctx.fillStyle = this.H_color;\
		6505	clock_ctx.fill();\
		6506	clock_ctx.rotate(-angle);\
		6507	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6508	clock_ctx.rotate(angle);\
		6509	clock_ctx.beginPath();\
		6510	clock_ctx.moveTo(-3, -2);\
		6511	clock_ctx.lineTo(-3, 2);\
		6512	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6513	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6514	clock_ctx.fillStyle = this.M_color;\
		6515	clock_ctx.fill();\
		6516	clock_ctx.rotate(-angle);\
		6517	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6518	clock_ctx.rotate(angle);\
		6519	clock_ctx.beginPath();\
		6520	clock_ctx.moveTo(0,0);\
		6521	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6522	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6523	clock_ctx.strokeStyle = this.S_color;\
		6524	clock_ctx.stroke();\
		6525	clock_ctx.restore();\
7653	schaersvoo	6526	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6527	break;
		6528
		6529	case DRAW_LATTICE:
		6530	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6531	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	6532	var obj;\
		6533	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6534	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6535	}\
		6536	else\
		6537	{\
		6538	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6539	};\
		6540	var ctx = obj.getContext(\"2d\");\
		6541	ctx.save();\
8071	schaersvoo	6542	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6543	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6544	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6545	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6546	var radius = line_width;\
		6547	var x = 0;\
		6548	var y = 0;\
		6549	var x_step_px = xsize/(xmax-xmin);\
		6550	var y_step_px = ysize/(ymax-ymin);\
		6551	var xv1 = dx1*x_step_px;\
		6552	var yv1 = dy1*y_step_px;\
		6553	var xv2 = dx2*x_step_px;\
		6554	var yv2 = dy2*y_step_px;\
		6555	for(var p = 0; p < n1 ;p++){\
		6556	x = p*xv1 + x0;\
		6557	y = p*yv1 + y0;\
		6558	for(var c = 0; c < n2 ; c++){\
		6559	ctx.beginPath();\
		6560	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6561	ctx.fill();\
		6562	ctx.stroke();\
		6563	ctx.closePath();\
		6564	};\
		6565	};\
		6566	ctx.restore();\
		6567	return;\
7653	schaersvoo	6568	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6569	break;
7735	schaersvoo	6570	case DRAW_XYLOGSCALE:
		6571	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6572	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	6573	var obj;\
		6574	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6575	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6576	}\
		6577	else\
		6578	{\
		6579	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6580	};\
		6581	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6582	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6583	ctx.save();\
7739	schaersvoo	6584	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6585	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6586	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6587	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6588	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6589	if(use_axis_numbering == 1){\
7956	schaersvoo	6590	ctx.font = font_family;\
		6591	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6592	ymarge = parseInt(1.5*font_size);\
		6593	ctx.save();\
		6594	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6595	ctx.rect(0,0,xmarge,ysize);\
		6596	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6597	ctx.fill();\
		6598	ctx.restore();\
		6599	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6600	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6601	ctx.save();\
		6602	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6603	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6604	corr = ctx.measureText(xaxislabel).width;\
		6605	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6606	ctx.restore();\
		6607	};\
7735	schaersvoo	6608	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6609	ctx.save();\
		6610	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6611	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6612	corr = ctx.measureText(yaxislabel).width;\
		6613	ctx.translate(xmarge+font_size,corr+font_size);\
		6614	ctx.rotate(-0.5*Math.PI);\
		6615	ctx.fillText(yaxislabel,0,0);\
		6616	ctx.restore();\
		6617	};\
		6618	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6619	ctx.lineWidth = line_width;\
		6620	for(var p = x_min; p <= x_max ; p++){\
		6621	num = Math.pow(xlogbase,p);\
		6622	for(var i = 1 ; i < xlogbase ; i++){\
		6623	x_e = x2px(i*num);\
7735	schaersvoo	6624	if( i == 1 ){\
7956	schaersvoo	6625	ctx.lineWidth = line_width;\
		6626	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6627	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6628	xtxt = xlogbase+'^'+p.toFixed(0);\
		6629	corr = 0.5*(ctx.measureText(xtxt).width);\
		6630	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6631	};\
7735	schaersvoo	6632	}else{\
7956	schaersvoo	6633	ctx.lineWidth = 0.2*line_width;\
		6634	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6635	};\
7738	schaersvoo	6636	if( x_e >= xmarge ){\
7956	schaersvoo	6637	ctx.beginPath();\
		6638	ctx.moveTo(x_e,0);\
		6639	ctx.lineTo(x_e,ysize - ymarge);\
		6640	ctx.stroke();\
		6641	ctx.closePath();\
7738	schaersvoo	6642	};\
7956	schaersvoo	6643	};\
		6644	};\
		6645	for(var p = y_min; p <= y_max ; p++){\
		6646	num = Math.pow(ylogbase,p);\
		6647	for(var i = 1 ; i < ylogbase ; i++){\
		6648	y_e = y2px(i*num);\
		6649	if( i == 1 ){\
		6650	ctx.lineWidth = line_width;\
7735	schaersvoo	6651	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6652	if( use_axis_numbering == 1 && p > y_min){\
		6653	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6654	};\
		6655	}else{\
		6656	ctx.lineWidth = 0.2*line_width;\
		6657	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6658	};\
		6659	ctx.beginPath();\
		6660	ctx.moveTo(xmarge,y_e);\
		6661	ctx.lineTo(xsize,y_e);\
		6662	ctx.stroke();\
		6663	ctx.closePath();\
		6664	};\
		6665	};\
7735	schaersvoo	6666	ctx.restore();\
		6667	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6668	break;
7614	schaersvoo	6669
7735	schaersvoo	6670	case DRAW_XLOGSCALE:
		6671	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6672	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	6673	var obj;\
		6674	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6675	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6676	}\
		6677	else\
		6678	{\
		6679	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6680	};\
		6681	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6682	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6683	ctx.save();\
		6684	ctx.lineWidth = line_width;\
7739	schaersvoo	6685	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6686	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6687	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6688	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6689	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6690	if(use_axis_numbering == 1){\
7956	schaersvoo	6691	ctx.font = font_family;\
		6692	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6693	ymarge = parseInt(1.5*font_size);\
		6694	ctx.save();\
		6695	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6696	ctx.rect(0,0,xmarge,ysize);\
		6697	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6698	ctx.fill();\
		6699	ctx.restore();\
		6700	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6701	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6702	ctx.save();\
		6703	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6704	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6705	corr = ctx.measureText(xaxislabel).width;\
		6706	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6707	ctx.restore();\
		6708	};\
7739	schaersvoo	6709	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6710	ctx.save();\
		6711	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6712	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6713	corr = ctx.measureText(yaxislabel).width;\
		6714	ctx.translate(xmarge+font_size,corr+font_size);\
		6715	ctx.rotate(-0.5*Math.PI);\
		6716	ctx.fillText(yaxislabel,0,0);\
		6717	ctx.restore();\
		6718	};\
		6719	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6720	ctx.lineWidth = line_width;\
		6721	for(var p = x_min; p <= x_max ; p++){\
		6722	num = Math.pow(xlogbase,p);\
		6723	for(var i = 1 ; i < xlogbase ; i++){\
		6724	x_e = x2px(i*num);\
7735	schaersvoo	6725	if( i == 1 ){\
7956	schaersvoo	6726	ctx.lineWidth = line_width;\
7739	schaersvoo	6727	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6728	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6729	xtxt = xlogbase+'^'+p.toFixed(0);\
		6730	corr = 0.5*(ctx.measureText(xtxt).width);\
		6731	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6732	};\
		6733	}else{\
7956	schaersvoo	6734	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6735	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6736	};\
7739	schaersvoo	6737	if( x_e >= xmarge ){\
7956	schaersvoo	6738	ctx.beginPath();\
		6739	ctx.moveTo(x_e,0);\
		6740	ctx.lineTo(x_e,ysize - ymarge);\
		6741	ctx.stroke();\
		6742	ctx.closePath();\
7739	schaersvoo	6743	};\
		6744	};\
7956	schaersvoo	6745	};\
7735	schaersvoo	6746	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6747	var minor_step = stepy / yminor;\
7749	schaersvoo	6748	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6749	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6750	ctx.lineWidth = line_width;\
		6751	ctx.beginPath();\
		6752	ctx.moveTo(xmarge,y);\
		6753	ctx.lineTo(xsize,y);\
		6754	ctx.stroke();\
		6755	ctx.closePath();\
7735	schaersvoo	6756	if( use_axis_numbering == 1){\
		6757	ytxt = (px2y(y)).toFixed(prec);\
		6758	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6759	};\
		6760	for(var dy = 1 ; dy < yminor ; dy++){\
		6761	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6762	ctx.lineWidth = 0.2*line_width;\
		6763	ctx.beginPath();\
7739	schaersvoo	6764	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6765	ctx.lineTo(xsize,y+dy*minor_step);\
		6766	ctx.stroke();\
		6767	ctx.closePath();\
7735	schaersvoo	6768	};\
		6769	};\
7956	schaersvoo	6770	ctx.restore();\
		6771	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6772	break;
7729	schaersvoo	6773	case DRAW_YLOGSCALE:
		6774	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6775	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	6776	var obj;\
		6777	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6778	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6779	}\
		6780	else\
		6781	{\
		6782	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6783	};\
		6784	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6785	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6786	ctx.save();\
		6787	ctx.lineWidth = line_width;\
7735	schaersvoo	6788	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6789	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6790	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6791	if(use_axis_numbering == 1){\
7956	schaersvoo	6792	ctx.font = font_family;\
		6793	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6794	ymarge = 2*font_size;\
		6795	ctx.save();\
		6796	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6797	ctx.rect(0,0,xmarge,ysize);\
		6798	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6799	ctx.fill();\
		6800	ctx.restore();\
		6801	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6802	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6803	ctx.save();\
		6804	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6805	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6806	corr = ctx.measureText(xaxislabel).width;\
		6807	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6808	ctx.restore();\
		6809	};\
7739	schaersvoo	6810	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6811	ctx.save();\
		6812	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6813	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6814	corr = ctx.measureText(yaxislabel).width;\
		6815	ctx.translate(xmarge+font_size,corr+font_size);\
		6816	ctx.rotate(-0.5*Math.PI);\
		6817	ctx.fillText(yaxislabel,0,0);\
		6818	ctx.restore();\
		6819	};\
		6820	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6821	ctx.lineWidth = line_width;\
		6822	for(var p = y_min; p <= y_max ; p++){\
		6823	num = Math.pow(ylogbase,p);\
		6824	for(var i = 1 ; i < ylogbase ; i++){\
		6825	y_e = y2px(i*num);\
7729	schaersvoo	6826	if( i == 1 ){\
7956	schaersvoo	6827	ctx.lineWidth = line_width;\
7729	schaersvoo	6828	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6829	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6830	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6831	};\
		6832	}else{\
7956	schaersvoo	6833	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6834	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6835	};\
7956	schaersvoo	6836	ctx.beginPath();\
		6837	ctx.moveTo(xmarge,y_e);\
		6838	ctx.lineTo(xsize,y_e);\
		6839	ctx.stroke();\
		6840	ctx.closePath();\
		6841	};\
		6842	};\
7729	schaersvoo	6843	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6844	var minor_step = stepx / xminor;\
		6845	var prec = Math.log(precision)/Math.log(10);\
		6846	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6847	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6848	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6849	ctx.lineWidth = line_width;\
		6850	ctx.beginPath();\
		6851	ctx.moveTo(x,ysize-ymarge);\
		6852	ctx.lineTo(x,0);\
		6853	ctx.stroke();\
		6854	ctx.closePath();\
7729	schaersvoo	6855	if( use_axis_numbering == 1){\
		6856	xtxt = (px2x(x)).toFixed(prec);\
		6857	corr = 0.5*(ctx.measureText(xtxt).width);\
		6858	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6859	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6860	};\
		6861	for(var dx = 1 ; dx < xminor ; dx++){\
		6862	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6863	ctx.lineWidth = 0.2*line_width;\
		6864	ctx.beginPath();\
7739	schaersvoo	6865	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6866	ctx.lineTo(x+dx*minor_step,0);\
		6867	ctx.stroke();\
		6868	ctx.closePath();\
7735	schaersvoo	6869	};\
		6870	};\
7956	schaersvoo	6871	ctx.restore();\
		6872	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6873	break;
7614	schaersvoo	6874	default:break;
		6875	}
		6876	}
		6877	}
		6878	return;
		6879	}
		6880
		6881	void check_string_length(int L){
		6882	if(L<1 \|\| L > MAX_BUFFER-1){
		6883	canvas_error("problem with your arguments to command...");
		6884	}
		6885	return;
		6886	}
		6887
		6888
		6889	int get_token(FILE *infile){
		6890	int c,i=0;
		6891	char temp[MAX_INT], *input_type;
		6892	char *line="line",
		6893	*audio="audio",
		6894	*blink="blink",
		6895	*arrowhead="arrowhead",
		6896	*crosshairsize="crosshairsize",
		6897	*crosshair="crosshair",
		6898	*crosshairs="crosshairs",
		6899	*audioobject="audioobject",
		6900	*style="style",
		6901	*mouse="mouse",
7991	schaersvoo	6902	*mousex="mousex",
		6903	*mousey="mousey",
8071	schaersvoo	6904	*mouse_display="display",
		6905	*mouse_degree="mouse_degree",
7614	schaersvoo	6906	*userdraw="userdraw",
		6907	*highlight="highlight",
		6908	*http="http",
		6909	*rays="rays",
		6910	*dashtype="dashtype",
		6911	*dashed="dashed",
		6912	*filled="filled",
		6913	*lattice="lattice",
		6914	*parallel="parallel",
		6915	*segment="segment",
8299	schaersvoo	6916	*segments="segments",
7614	schaersvoo	6917	*dsegment="dsegment",
		6918	*seg="seg",
		6919	*bgimage="bgimage",
		6920	*bgcolor="bgcolor",
		6921	*strokecolor="strokecolor",
		6922	*backgroundimage="backgroundimage",
		6923	*text="text",
		6924	*textup="textup",
		6925	*mouseprecision="mouseprecision",
		6926	*precision="precision",
		6927	*plotsteps="plotsteps",
		6928	*plotstep="plotstep",
		6929	*tsteps="tsteps",
		6930	*curve="curve",
		6931	*dcurve="dcurve",
		6932	*plot="plot",
		6933	*dplot="dplot",
7788	schaersvoo	6934	*levelcurve="levelcurve",
7614	schaersvoo	6935	*fontsize="fontsize",
		6936	*fontcolor="fontcolor",
		6937	*axis="axis",
		6938	*axisnumbering="axisnumbering",
		6939	*axisnumbers="axisnumbers",
		6940	*arrow="arrow",
		6941	*darrow="darrow",
		6942	*arrow2="arrow2",
		6943	*darrow2="darrow2",
8304	schaersvoo	6944	*arrows="arrows",
8347	schaersvoo	6945	*arrows2="arrows2",
7614	schaersvoo	6946	*zoom="zoom",
		6947	*grid="grid",
		6948	*hline="hline",
7786	schaersvoo	6949	*dhline="dhline",
7614	schaersvoo	6950	*drag="drag",
		6951	*horizontalline="horizontalline",
		6952	*vline="vline",
7786	schaersvoo	6953	*dvline="dvline",
7614	schaersvoo	6954	*verticalline="verticalline",
		6955	*triangle="triangle",
		6956	*ftriangle="ftriangle",
		6957	*mathml="mathml",
		6958	*html="html",
		6959	*input="input",
8146	schaersvoo	6960	*clearbutton="clearbutton",
7614	schaersvoo	6961	*inputstyle="inputstyle",
		6962	*textarea="textarea",
		6963	*trange="trange",
		6964	*ranget="ranget",
		6965	*xrange="xrange",
		6966	*yrange="yrange",
		6967	*rangex="rangex",
		6968	*rangey="rangey",
		6969	*polyline="polyline",
8351	schaersvoo	6970	*polylines="polylines",
		6971	*brokenline="brokenline",
		6972	*brokenlines="brokenlines",
7614	schaersvoo	6973	*lines="lines",
		6974	*poly="poly",
		6975	*polygon="polygon",
		6976	*fpolygon="fpolygon",
		6977	*fpoly="fpoly",
		6978	*filledpoly="filledpoly",
		6979	*filledpolygon="filledpolygon",
		6980	*rect="rect",
		6981	*frect="frect",
		6982	*rectangle="rectangle",
		6983	*frectangle="frectangle",
		6984	*square="square",
		6985	*fsquare="fsquare",
		6986	*dline="dline",
		6987	*arc="arc",
		6988	*filledarc="filledarc",
		6989	*size="size",
		6990	*string="string",
		6991	*stringup="stringup",
		6992	*copy="copy",
		6993	*copyresized="copyresized",
		6994	*opacity="opacity",
		6995	*transparent="transparent",
		6996	*fill="fill",
		6997	*point="point",
		6998	*points="points",
		6999	*linewidth="linewidth",
		7000	*circle="circle",
8304	schaersvoo	7001	*circles="circles",
7614	schaersvoo	7002	*fcircle="fcircle",
		7003	*disk="disk",
		7004	*comment="#",
		7005	*end="end",
		7006	*ellipse="ellipse",
		7007	*fellipse="fellipse",
		7008	*rotate="rotate",
7785	schaersvoo	7009	*affine="affine",
		7010	*killaffine="killaffine",
7614	schaersvoo	7011	*fontfamily="fontfamily",
		7012	*fillcolor="fillcolor",
		7013	*clicktile="clicktile",
		7014	*clicktile_colors="clicktile_colors",
		7015	*translation="translation",
		7016	*translate="translate",
		7017	*killtranslation="killtranslation",
		7018	*killtranslate="killtranslate",
		7019	*onclick="onclick",
		7020	*roundrect="roundrect",
		7021	*froundrect="froundrect",
		7022	*roundrectangle="roundrectangle",
		7023	*patternfill="patternfill",
		7024	*hatchfill="hatchfill",
		7025	*diafill="diafill",
7647	schaersvoo	7026	*diamondfill="diamondfill",
7614	schaersvoo	7027	*dotfill="dotfill",
		7028	*gridfill="gridfill",
		7029	*imagefill="imagefill",
7735	schaersvoo	7030	*xlogbase="xlogbase",
		7031	*ylogbase="ylogbase",
7614	schaersvoo	7032	*xlogscale="xlogscale",
		7033	*ylogscale="ylogscale",
		7034	*xylogscale="xylogscale",
		7035	*intooltip="intooltip",
		7036	*replyformat="replyformat",
		7037	*floodfill="floodfill",
		7038	*filltoborder="filltoborder",
		7039	*clickfill="clickfill",
		7040	*setpixel="setpixel",
		7041	*pixels="pixels",
		7042	*pixelsize="pixelsize",
		7043	*clickfillmarge="clickfillmarge",
		7044	*xaxis="xaxis",
		7045	*yaxis="yaxis",
		7046	*xaxistext="xaxistext",
		7047	*yaxistext="yaxistext",
		7048	*piechart="piechart",
		7049	*legend="legend",
		7050	*legendcolors="legendcolors",
		7051	*xlabel="xlabel",
		7052	*ylabel="ylabel",
		7053	*barchart="barchart",
		7054	*linegraph="linegraph",
		7055	*clock="clock",
		7056	*animate="animate",
		7057	*video="video",
		7058	*status="status",
7877	schaersvoo	7059	*nostatus="nostatus",
7652	schaersvoo	7060	*snaptogrid="snaptogrid",
7784	schaersvoo	7061	*xsnaptogrid="xsnaptogrid",
		7062	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	7063	*userinput_xy="userinput_xy",
8193	schaersvoo	7064	*userinput_function="userinput_function",
7663	schaersvoo	7065	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	7066	*userinput="userinput",
7823	schaersvoo	7067	*jsmath="jsmath",
7858	schaersvoo	7068	*trace_jscurve="trace_jscurve",
7838	schaersvoo	7069	*setlimits="setlimits",
7858	schaersvoo	7070	*jscurve="jscurve",
		7071	*jsplot="jsplot",
7983	schaersvoo	7072	*sgraph="sgraph",
7984	schaersvoo	7073	*title="title",
7996	schaersvoo	7074	*centerstring="centerstring",
		7075	*xunit="xunit",
8071	schaersvoo	7076	*yunit="yunit",
8101	schaersvoo	7077	*slider="slider",
8105	schaersvoo	7078	*killslider="killslider",
8244	schaersvoo	7079	*angle="angle",
		7080	*halfline="halfline",
8297	schaersvoo	7081	*demiline="demiline",
		7082	*functionlabel="functionlabel";
7614	schaersvoo	7083
		7084	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		7085	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		7086	continue; /* white spaces or tabs allowed before first command identifier */
		7087	}
		7088	else
		7089	{
		7090	if( c == ' ' \|\| c == '\t' ){
		7091	break;
		7092	}
		7093	else
		7094	{
		7095	temp[i] = c;
		7096	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		7097	i++;
		7098	}
		7099	}
		7100	if(temp[0] == '#') break;
		7101	}
		7102	if (c == EOF) finished = 1;
		7103
		7104	if (c == '\n' \|\| c == '\r') {
		7105	line_number++;
		7106	if (i == 0) { return EMPTY; }
		7107	} else if (c == EOF) {
		7108	return 0;
		7109	}
		7110
		7111	temp[i]='\0';
		7112	input_type=(char*)my_newmem(strlen(temp));
		7113	snprintf(input_type,sizeof(temp),"%s",temp);
		7114
		7115	if( strcmp(input_type, size) == 0 ){
		7116	free(input_type);
		7117	return SIZE;
		7118	}
		7119	if( strcmp(input_type, xrange) == 0 ){
		7120	free(input_type);
		7121	return XRANGE;
		7122	}
		7123	if( strcmp(input_type, rangex) == 0 ){
		7124	free(input_type);
		7125	return XRANGE;
		7126	}
		7127	if( strcmp(input_type, trange) == 0 ){
		7128	free(input_type);
		7129	return TRANGE;
		7130	}
		7131	if( strcmp(input_type, ranget) == 0 ){
		7132	free(input_type);
		7133	return TRANGE;
		7134	}
		7135	if( strcmp(input_type, yrange) == 0 ){
		7136	free(input_type);
		7137	return YRANGE;
		7138	}
		7139	if( strcmp(input_type, rangey) == 0 ){
		7140	free(input_type);
		7141	return YRANGE;
		7142	}
		7143	if( strcmp(input_type, linewidth) == 0 ){
		7144	free(input_type);
		7145	return LINEWIDTH;
		7146	}
		7147	if( strcmp(input_type, dashed) == 0 ){
		7148	free(input_type);
		7149	return DASHED;
		7150	}
		7151	if( strcmp(input_type, dashtype) == 0 ){
		7152	free(input_type);
		7153	return DASHTYPE;
		7154	}
		7155	if( strcmp(input_type, axisnumbering) == 0 ){
		7156	free(input_type);
		7157	return AXIS_NUMBERING;
		7158	}
		7159	if( strcmp(input_type, axisnumbers) == 0 ){
		7160	free(input_type);
		7161	return AXIS_NUMBERING;
		7162	}
		7163	if( strcmp(input_type, axis) == 0 ){
		7164	free(input_type);
		7165	return AXIS;
		7166	}
		7167	if( strcmp(input_type, grid) == 0 ){
		7168	free(input_type);
		7169	return GRID;
		7170	}
		7171	if( strcmp(input_type, parallel) == 0 ){
		7172	free(input_type);
		7173	return PARALLEL;
		7174	}
		7175	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		7176	free(input_type);
		7177	return HLINE;
		7178	}
		7179	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		7180	free(input_type);
		7181	return VLINE;
		7182	}
		7183	if( strcmp(input_type, line) == 0 ){
		7184	free(input_type);
		7185	return LINE;
		7186	}
8299	schaersvoo	7187	if( strcmp(input_type, segments) == 0 ){
		7188	free(input_type);
		7189	return SEGMENTS;
		7190	}
7614	schaersvoo	7191	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		7192	free(input_type);
		7193	return SEGMENT;
		7194	}
		7195	if( strcmp(input_type, dsegment) == 0 ){
		7196	free(input_type);
		7197	use_dashed = TRUE;
		7198	return SEGMENT;
		7199	}
		7200	if( strcmp(input_type, crosshairsize) == 0 ){
		7201	free(input_type);
		7202	return CROSSHAIRSIZE;
		7203	}
		7204	if( strcmp(input_type, arrowhead) == 0 ){
		7205	free(input_type);
		7206	return ARROWHEAD;
		7207	}
		7208	if( strcmp(input_type, crosshairs) == 0 ){
		7209	free(input_type);
		7210	return CROSSHAIRS;
		7211	}
		7212	if( strcmp(input_type, crosshair) == 0 ){
		7213	free(input_type);
		7214	return CROSSHAIR;
		7215	}
		7216	if( strcmp(input_type, onclick) == 0 ){
		7217	free(input_type);
		7218	return ONCLICK;
		7219	}
		7220	if( strcmp(input_type, drag) == 0 ){
		7221	free(input_type);
		7222	return DRAG;
		7223	}
		7224	if( strcmp(input_type, userdraw) == 0 ){
		7225	free(input_type);
		7226	return USERDRAW;
		7227	}
		7228	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		7229	free(input_type);
		7230	return STYLE;
		7231	}
		7232	if( strcmp(input_type, fillcolor) == 0 ){
		7233	free(input_type);
		7234	return FILLCOLOR;
		7235	}
		7236	if( strcmp(input_type, strokecolor) == 0 ){
		7237	free(input_type);
		7238	return STROKECOLOR;
		7239	}
		7240	if( strcmp(input_type, filled) == 0 ){
		7241	free(input_type);
		7242	return FILLED;
		7243	}
		7244	if( strcmp(input_type, http) == 0 ){
		7245	free(input_type);
		7246	return HTTP;
		7247	}
		7248	if( strcmp(input_type, rays) == 0 ){
		7249	free(input_type);
		7250	return RAYS;
		7251	}
		7252	if( strcmp(input_type, lattice) == 0 ){
		7253	free(input_type);
		7254	return LATTICE;
		7255	}
		7256	if( strcmp(input_type, bgimage) == 0 ){
		7257	free(input_type);
		7258	return BGIMAGE;
		7259	}
		7260	if( strcmp(input_type, bgcolor) == 0 ){
		7261	free(input_type);
		7262	return BGCOLOR;
		7263	}
		7264	if( strcmp(input_type, backgroundimage) == 0 ){
		7265	free(input_type);
		7266	return BGIMAGE;
		7267	}
		7268	if( strcmp(input_type, text) == 0 ){
		7269	free(input_type);
		7270	return FLY_TEXT;
		7271	}
		7272	if( strcmp(input_type, textup) == 0 ){
		7273	free(input_type);
		7274	return FLY_TEXTUP;
		7275	}
		7276	if( strcmp(input_type, mouse) == 0 ){
		7277	free(input_type);
		7278	return MOUSE;
		7279	}
7991	schaersvoo	7280	if( strcmp(input_type, mousex) == 0 ){
		7281	free(input_type);
		7282	return MOUSEX;
		7283	}
		7284	if( strcmp(input_type, mousey) == 0 ){
		7285	free(input_type);
		7286	return MOUSEY;
		7287	}
8071	schaersvoo	7288	if( strcmp(input_type, mouse_degree) == 0 ){
		7289	free(input_type);
		7290	return MOUSE_DEGREE;
		7291	}
		7292	if( strcmp(input_type, mouse_display) == 0 ){
		7293	free(input_type);
		7294	return MOUSE_DISPLAY;
		7295	}
7614	schaersvoo	7296	if( strcmp(input_type, mouseprecision) == 0 ){
		7297	free(input_type);
		7298	return MOUSE_PRECISION;
		7299	}
		7300	if( strcmp(input_type, precision) == 0 ){
		7301	free(input_type);
		7302	return MOUSE_PRECISION;
		7303	}
		7304	if( strcmp(input_type, curve) == 0 ){
		7305	free(input_type);
		7306	return CURVE;
		7307	}
		7308	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7309	use_dashed = TRUE;
7614	schaersvoo	7310	free(input_type);
		7311	return CURVE;
		7312	}
		7313	if( strcmp(input_type, plot) == 0 ){
		7314	free(input_type);
		7315	return CURVE;
		7316	}
		7317	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7318	use_dashed = TRUE;
7614	schaersvoo	7319	free(input_type);
		7320	return CURVE;
		7321	}
7788	schaersvoo	7322	if( strcmp(input_type, levelcurve) == 0 ){
		7323	free(input_type);
		7324	return LEVELCURVE;
		7325	}
7614	schaersvoo	7326	if( strcmp(input_type, plotsteps) == 0 ){
		7327	free(input_type);
		7328	return PLOTSTEPS;
		7329	}
		7330	if( strcmp(input_type, plotstep) == 0 ){
		7331	free(input_type);
		7332	return PLOTSTEPS;
		7333	}
		7334	if( strcmp(input_type, tsteps) == 0 ){
		7335	free(input_type);
		7336	return PLOTSTEPS;
		7337	}
		7338	if( strcmp(input_type, fontsize) == 0 ){
		7339	free(input_type);
		7340	return FONTSIZE;
		7341	}
		7342	if( strcmp(input_type, fontcolor) == 0 ){
		7343	free(input_type);
		7344	return FONTCOLOR;
		7345	}
		7346	if( strcmp(input_type, arrow2) == 0 ){
		7347	free(input_type);
		7348	return ARROW2;
		7349	}
		7350	if( strcmp(input_type, darrow) == 0 ){
		7351	free(input_type);
8071	schaersvoo	7352	use_dashed = TRUE;
7614	schaersvoo	7353	return ARROW;
		7354	}
		7355	if( strcmp(input_type, darrow2) == 0 ){
		7356	free(input_type);
		7357	use_dashed = TRUE;
		7358	return ARROW2;
		7359	}
8347	schaersvoo	7360	if( strcmp(input_type, arrows2) == 0 ){
		7361	free(input_type);
		7362	return ARROWS2;
		7363	}
8304	schaersvoo	7364	if( strcmp(input_type, arrows) == 0 ){
		7365	free(input_type);
		7366	return ARROWS;
		7367	}
		7368	if( strcmp(input_type, arrow) == 0 ){
		7369	free(input_type);
		7370	return ARROW;
		7371	}
7614	schaersvoo	7372	if( strcmp(input_type, zoom) == 0 ){
		7373	free(input_type);
		7374	return ZOOM;
		7375	}
		7376	if( strcmp(input_type, triangle) == 0 ){
		7377	free(input_type);
		7378	return TRIANGLE;
		7379	}
		7380	if( strcmp(input_type, ftriangle) == 0 ){
		7381	free(input_type);
		7382	use_filled = TRUE;
		7383	return TRIANGLE;
		7384	}
		7385	if( strcmp(input_type, input) == 0 ){
		7386	free(input_type);
		7387	return INPUT;
		7388	}
		7389	if( strcmp(input_type, inputstyle) == 0 ){
		7390	free(input_type);
		7391	return INPUTSTYLE;
		7392	}
		7393	if( strcmp(input_type, textarea) == 0 ){
		7394	free(input_type);
		7395	return TEXTAREA;
		7396	}
		7397	if( strcmp(input_type, mathml) == 0 ){
		7398	free(input_type);
		7399	return MATHML;
		7400	}
		7401	if( strcmp(input_type, html) == 0 ){
		7402	free(input_type);
		7403	return MATHML;
		7404	}
		7405	if( strcmp(input_type, fontfamily) == 0 ){
		7406	free(input_type);
		7407	return FONTFAMILY;
		7408	}
8351	schaersvoo	7409	if( strcmp(input_type, polyline) == 0 \|\| strcmp(input_type, polylines) == 0 \|\| strcmp(input_type, brokenline) == 0 \|\| strcmp(input_type, brokenlines) == 0 ){
7614	schaersvoo	7410	free(input_type);
		7411	return POLYLINE;
		7412	}
8351	schaersvoo	7413	if( strcmp(input_type, lines) == 0 ){
		7414	free(input_type);
		7415	return LINES;
		7416	}
7614	schaersvoo	7417	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7418	free(input_type);
		7419	return RECT;
		7420	}
		7421	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7422	free(input_type);
		7423	return ROUNDRECT;
		7424	}
		7425	if( strcmp(input_type, froundrect) == 0 ){
		7426	free(input_type);
		7427	use_filled = TRUE;
		7428	return ROUNDRECT;
		7429	}
		7430	if( strcmp(input_type, square) == 0 ){
		7431	free(input_type);
		7432	return SQUARE;
		7433	}
		7434	if( strcmp(input_type, fsquare) == 0 ){
		7435	free(input_type);
		7436	use_filled = TRUE;
		7437	return SQUARE;
		7438	}
		7439	if( strcmp(input_type, dline) == 0 ){
		7440	use_dashed = TRUE;
		7441	free(input_type);
		7442	return LINE;
		7443	}
7786	schaersvoo	7444	if( strcmp(input_type, dvline) == 0 ){
		7445	use_dashed = TRUE;
		7446	free(input_type);
		7447	return VLINE;
		7448	}
		7449	if( strcmp(input_type, dhline) == 0 ){
		7450	use_dashed = TRUE;
		7451	free(input_type);
		7452	return HLINE;
		7453	}
7614	schaersvoo	7454	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7455	use_filled = TRUE;
		7456	free(input_type);
		7457	return RECT;
		7458	}
8304	schaersvoo	7459	if( strcmp(input_type, circles) == 0 ){
		7460	free(input_type);
		7461	return CIRCLES;
		7462	}
7614	schaersvoo	7463	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7464	use_filled = TRUE;
		7465	free(input_type);
		7466	return CIRCLE;
		7467	}
		7468	if( strcmp(input_type, circle) == 0 ){
		7469	free(input_type);
		7470	return CIRCLE;
		7471	}
		7472	if( strcmp(input_type, point) == 0 ){
		7473	free(input_type);
		7474	return POINT;
		7475	}
		7476	if( strcmp(input_type, points) == 0 ){
		7477	free(input_type);
		7478	return POINTS;
		7479	}
		7480	if( strcmp(input_type, filledarc) == 0 ){
		7481	use_filled = TRUE;
		7482	free(input_type);
		7483	return ARC;
		7484	}
		7485	if( strcmp(input_type, arc) == 0 ){
		7486	free(input_type);
		7487	return ARC;
		7488	}
		7489	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7490	free(input_type);
		7491	return POLY;
		7492	}
		7493	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7494	use_filled = TRUE;
		7495	free(input_type);
		7496	return POLY;
		7497	}
		7498	if( strcmp(input_type, ellipse) == 0){
		7499	free(input_type);
		7500	return ELLIPSE;
		7501	}
		7502	if( strcmp(input_type, fill) == 0 ){
		7503	free(input_type);
		7504	return FLOODFILL;
		7505	}
		7506	if( strcmp(input_type, string) == 0 ){
		7507	free(input_type);
		7508	return STRING;
		7509	}
		7510	if( strcmp(input_type, stringup) == 0 ){
		7511	free(input_type);
		7512	return STRINGUP;
		7513	}
		7514	if( strcmp(input_type, opacity) == 0 ){
		7515	free(input_type);
		7516	return OPACITY;
		7517	}
		7518	if( strcmp(input_type, comment) == 0){
		7519	free(input_type);
		7520	return COMMENT;
		7521	}
		7522	if( strcmp(input_type, end) == 0){
		7523	free(input_type);
		7524	return END;
		7525	}
		7526	if( strcmp(input_type, fellipse) == 0){
		7527	free(input_type);
		7528	use_filled = TRUE;
		7529	return ELLIPSE;
8224	bpr	7530	}
7614	schaersvoo	7531	if( strcmp(input_type, blink) == 0 ){
		7532	free(input_type);
		7533	return BLINK;
		7534	}
8146	schaersvoo	7535	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7536	free(input_type);
8146	schaersvoo	7537	return CLEARBUTTON;
7614	schaersvoo	7538	}
		7539	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7540	free(input_type);
		7541	return TRANSLATION;
		7542	}
		7543	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7544	free(input_type);
		7545	return KILLTRANSLATION;
		7546	}
		7547	if( strcmp(input_type, rotate) == 0){
		7548	free(input_type);
		7549	return ROTATE;
		7550	}
7785	schaersvoo	7551	if( strcmp(input_type, affine) == 0){
		7552	free(input_type);
		7553	return AFFINE;
		7554	}
		7555	if( strcmp(input_type, killaffine) == 0){
		7556	free(input_type);
		7557	return KILLAFFINE;
		7558	}
7614	schaersvoo	7559	if( strcmp(input_type, audio) == 0 ){
		7560	free(input_type);
		7561	return AUDIO;
		7562	}
		7563	if( strcmp(input_type, audioobject) == 0 ){
		7564	free(input_type);
		7565	return AUDIOOBJECT;
		7566	}
		7567	if( strcmp(input_type, slider) == 0 ){
		7568	free(input_type);
		7569	return SLIDER;
		7570	}
8101	schaersvoo	7571	if( strcmp(input_type, killslider) == 0 ){
		7572	free(input_type);
		7573	return KILLSLIDER;
		7574	}
7614	schaersvoo	7575	if( strcmp(input_type, copy) == 0 ){
		7576	free(input_type);
		7577	return COPY;
		7578	}
		7579	if( strcmp(input_type, copyresized) == 0 ){
		7580	free(input_type);
		7581	return COPYRESIZED;
		7582	}
		7583	if( strcmp(input_type, patternfill) == 0 ){
		7584	free(input_type);
		7585	return PATTERNFILL;
		7586	}
		7587	if( strcmp(input_type, hatchfill) == 0 ){
		7588	free(input_type);
		7589	return HATCHFILL;
		7590	}
7647	schaersvoo	7591	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7592	free(input_type);
7647	schaersvoo	7593	return DIAMONDFILL;
7614	schaersvoo	7594	}
		7595	if( strcmp(input_type, dotfill) == 0 ){
		7596	free(input_type);
		7597	return DOTFILL;
		7598	}
		7599	if( strcmp(input_type, gridfill) == 0 ){
		7600	free(input_type);
		7601	return GRIDFILL;
		7602	}
		7603	if( strcmp(input_type, imagefill) == 0 ){
		7604	free(input_type);
		7605	return IMAGEFILL;
		7606	}
		7607	if( strcmp(input_type, clicktile_colors) == 0 ){
		7608	free(input_type);
		7609	return CLICKTILE_COLORS;
		7610	}
		7611	if( strcmp(input_type, clicktile) == 0 ){
		7612	free(input_type);
		7613	return CLICKTILE;
		7614	}
		7615	if( strcmp(input_type, xlogscale) == 0 ){
		7616	free(input_type);
		7617	return XLOGSCALE;
		7618	}
		7619	if( strcmp(input_type, ylogscale) == 0 ){
		7620	free(input_type);
		7621	return YLOGSCALE;
		7622	}
		7623	if( strcmp(input_type, xylogscale) == 0 ){
		7624	free(input_type);
		7625	return XYLOGSCALE;
		7626	}
		7627	if( strcmp(input_type, ylogscale) == 0 ){
		7628	free(input_type);
		7629	return YLOGSCALE;
		7630	}
7735	schaersvoo	7631	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7632	free(input_type);
7735	schaersvoo	7633	return XLOGBASE;
7614	schaersvoo	7634	}
7735	schaersvoo	7635	if( strcmp(input_type, ylogbase) == 0 ){
		7636	free(input_type);
		7637	return YLOGBASE;
		7638	}
7614	schaersvoo	7639	if( strcmp(input_type, intooltip) == 0 ){
		7640	free(input_type);
		7641	return INTOOLTIP;
		7642	}
		7643	if( strcmp(input_type,video) == 0 ){
		7644	free(input_type);
		7645	return VIDEO;
		7646	}
		7647	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7648	free(input_type);
		7649	return FLOODFILL;
8224	bpr	7650	}
7614	schaersvoo	7651	if( strcmp(input_type,filltoborder) == 0 ){
		7652	free(input_type);
		7653	return FILLTOBORDER;
8224	bpr	7654	}
7614	schaersvoo	7655	if( strcmp(input_type,clickfill) == 0 ){
		7656	free(input_type);
		7657	return CLICKFILL;
8224	bpr	7658	}
7614	schaersvoo	7659	if( strcmp(input_type, replyformat) == 0 ){
		7660	free(input_type);
		7661	return REPLYFORMAT;
		7662	}
		7663	if( strcmp(input_type, pixelsize) == 0 ){
		7664	free(input_type);
		7665	return PIXELSIZE;
		7666	}
		7667	if( strcmp(input_type, setpixel) == 0 ){
		7668	free(input_type);
		7669	return SETPIXEL;
		7670	}
		7671	if( strcmp(input_type, pixels) == 0 ){
		7672	free(input_type);
		7673	return PIXELS;
		7674	}
		7675	if( strcmp(input_type, clickfillmarge) == 0 ){
		7676	free(input_type);
		7677	return CLICKFILLMARGE;
		7678	}
		7679	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7680	free(input_type);
		7681	return X_AXIS_STRINGS;
		7682	}
		7683	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7684	free(input_type);
		7685	return Y_AXIS_STRINGS;
		7686	}
		7687	if( strcmp(input_type, piechart) == 0 ){
		7688	free(input_type);
		7689	return PIECHART;
		7690	}
		7691	if( strcmp(input_type, barchart) == 0 ){
		7692	free(input_type);
		7693	return BARCHART;
		7694	}
		7695	if( strcmp(input_type, linegraph) == 0 ){
		7696	free(input_type);
		7697	return LINEGRAPH;
		7698	}
		7699	if( strcmp(input_type, clock) == 0 ){
		7700	free(input_type);
		7701	return CLOCK;
		7702	}
		7703	if( strcmp(input_type, legend) == 0 ){
		7704	free(input_type);
		7705	return LEGEND;
		7706	}
		7707	if( strcmp(input_type, legendcolors) == 0 ){
		7708	free(input_type);
		7709	return LEGENDCOLORS;
		7710	}
		7711	if( strcmp(input_type, xlabel) == 0 ){
		7712	free(input_type);
		7713	return XLABEL;
		7714	}
		7715	if( strcmp(input_type, ylabel) == 0 ){
		7716	free(input_type);
		7717	return YLABEL;
		7718	}
		7719	if( strcmp(input_type, animate) == 0 ){
		7720	free(input_type);
		7721	return ANIMATE;
		7722	}
		7723	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7724	if( strcmp(input_type, transparent) == 0 ){
		7725	free(input_type);
		7726	return TRANSPARENT;
		7727	}
7877	schaersvoo	7728	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7729	free(input_type);
		7730	return STATUS;
		7731	}
		7732	if( strcmp(input_type, snaptogrid) == 0 ){
		7733	free(input_type);
		7734	return SNAPTOGRID;
		7735	}
7784	schaersvoo	7736	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7737	free(input_type);
		7738	return XSNAPTOGRID;
		7739	}
		7740	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7741	free(input_type);
		7742	return YSNAPTOGRID;
		7743	}
7652	schaersvoo	7744	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7745	free(input_type);
7652	schaersvoo	7746	return USERINPUT_XY;
		7747	}
8193	schaersvoo	7748	if( strcmp(input_type, userinput_function) == 0 ){
		7749	free(input_type);
		7750	return USERINPUT_FUNCTION;
		7751	}
7663	schaersvoo	7752	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7753	free(input_type);
		7754	return USERTEXTAREA_XY;
		7755	}
8222	schaersvoo	7756	if( strcmp(input_type, userinput) == 0 ){
		7757	free(input_type);
		7758	return USERINPUT;
		7759	}
7654	schaersvoo	7760	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7761	free(input_type);
7654	schaersvoo	7762	return SGRAPH;
		7763	}
7823	schaersvoo	7764	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7765	free(input_type);
7823	schaersvoo	7766	return JSMATH;
		7767	}
7858	schaersvoo	7768	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7769	free(input_type);
7858	schaersvoo	7770	return TRACE_JSCURVE;
7823	schaersvoo	7771	}
7858	schaersvoo	7772	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7773	free(input_type);
		7774	return JSCURVE;
		7775	}
7984	schaersvoo	7776	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7777	free(input_type);
		7778	return CENTERSTRING;
		7779	}
7838	schaersvoo	7780	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7781	free(input_type);
7838	schaersvoo	7782	return SETLIMITS;
		7783	}
7996	schaersvoo	7784	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7785	free(input_type);
7996	schaersvoo	7786	return XUNIT;
		7787	}
		7788	if( strcmp(input_type, yunit) == 0 ){
		7789	free(input_type);
		7790	return YUNIT;
		7791	}
8105	schaersvoo	7792	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7793	free(input_type);
8105	schaersvoo	7794	return ANGLE;
		7795	}
8244	schaersvoo	7796	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7797	free(input_type);
8244	schaersvoo	7798	return HALFLINE;
		7799	}
8297	schaersvoo	7800	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	7801	free(input_type);
8297	schaersvoo	7802	return FUNCTION_LABEL;
		7803	}
		7804	free(input_type);
7614	schaersvoo	7805	ungetc(c,infile);
		7806	return 0;
		7807	}
7856	schaersvoo	7808

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8358