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

Rev	Author	Line No.	Line
8299	schaersvoo	1	/*27/7/2013 version 0.01
7614	schaersvoo	2	"Inspired" by FLY program: http://martin.gleeson.com/fly
		3	*********************************************************************************
		4	* J.M. Evers 7/2013 *
		5	* This is all just amateur scriblings... So no copyrights. *
		6	* This source code file, and compiled objects derived from it, *
		7	* can be used and distributed without restriction, including for commercial use *
		8	* No warrenty whatsoever *
		9	*********************************************************************************
		10	*/
7848	bpr	11	#include "canvasdraw.h"
7614	schaersvoo	12
		13	/******************************************************************************
		14	** Internal Functions
		15	******************************************************************************/
		16	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		17	void sync_input(FILE infile);/ proceed with inputfile */
		18	void add_javascript_functions(int js_functions[], int canvas_root_id);
		19	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		20	int get_token(FILE infile); / read next char until EOL*/
8225	bpr	21	/*
7614	schaersvoo	22	int x2px(double x);
		23	int y2px(double y);
8225	bpr	24	*/
7614	schaersvoo	25	double px2x(int x);
		26	double px2y(int y);
7906	schaersvoo	27	double get_real(FILE infile,int last); / read a value; calculation and symbols allowed */
7614	schaersvoo	28	char str_replace ( const char word, const char sub_word, const char rep_word );
		29	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
7906	schaersvoo	30	char get_string(FILE infile,int last); /* get the string at the end of a command */
7614	schaersvoo	31	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		32	char convert_hex2rgb(char hexcolor);
8257	schaersvoo	33	void add_read_canvas(int canvas_root_id,int reply_format,int reply_precision);
7614	schaersvoo	34	void make_js_include(int canvas_root_id);
		35	void check_string_length(int length);/* checks if the length of string argument of command is correct */
8224	bpr	36	FILE *js_include_file;
7614	schaersvoo	37	FILE get_file(int line_number, char **filename);
		38	FILE infile; / will be stdin */
		39	/******************************************************************************
		40	** global
		41	******************************************************************************/
		42	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		43	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		44	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		45	int xsize = 320;
		46	int ysize = 320;
		47	double xmin = 0.0;
		48	double xmax = 320.0;
		49	double ymin = 0.0;
		50	double ymax = 320.0;
		51	double tmax = 2;
		52	double tmin = -2;
		53	/* flag to indicate parsing of line status */
8224	bpr	54	int done = FALSE;
7614	schaersvoo	55	int type; /* eg command number */
		56	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
8097	schaersvoo	57	int slider = 0;/* slider=1 : x-values ; slider=2 : y-values;slider=3 angle values */
7785	schaersvoo	58	int use_affine = FALSE;
7614	schaersvoo	59	int use_rotate = FALSE;
		60	int use_filled = FALSE;
		61	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
8097	schaersvoo	62
7614	schaersvoo	63	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		64
		65	/******************************************************************************
		66	** Main Program
		67	******************************************************************************/
		68	int main(int argc, char *argv[]){
		69	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		70	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		71	infile = stdin;/* read flyscript via stdin */
		72	int i,c;
		73	double double_data[MAX_INT+1];
		74	int int_data[MAX_INT+1];
		75	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		76	int use_parametric = FALSE;/* will be reset after parametric plotting */
		77	int use_axis = FALSE;
		78	int use_axis_numbering = FALSE;
7797	schaersvoo	79	int use_pan_and_zoom = FALSE;
7956	schaersvoo	80	int use_safe_eval = FALSE; /* if true, add just once : js function to evaluate userinput values for plotting etc */
7858	schaersvoo	81	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		82	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
7614	schaersvoo	83	int line_width = 1;
		84	int decimals = 2;
		85	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		86	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		87	int drag_type = -1;/* 0,1,2 : xy,x,y */
		88	int use_tooltip = FALSE;
		89	char *tooltip_text = "Click here";
		90	char temp = ""; / */
		91	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		92	char *stroke_color = "255,0,0";
		93	char *fill_color = "0,255,0";
		94	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		95	char *font_color = "#00000";
		96	char *draw_type = "points";
		97	char *fly_font = "normal";
		98	char *input_style = "";
		99	char *flytext = "";
7785	schaersvoo	100	char *affine_matrix = "[1,0,0,1,0,0]";
8297	schaersvoo	101	char *function_label = "f(x)=";
7614	schaersvoo	102	int pixelsize = 1;
		103	int reply_format = 0;
		104	int input_cnt = 0;
		105	int ext_img_cnt = 0;
8071	schaersvoo	106	int slider_cnt = 0;
7614	schaersvoo	107	int font_size = 12;
8071	schaersvoo	108	int dashtype[2] = { 4 , 4 };
7614	schaersvoo	109	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		110	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		111	int arrow_head = 8; /* size in px*/
7833	schaersvoo	112	int crosshair_size = 5; /* size in px*/
8224	bpr	113	int plot_steps = 250;
7983	schaersvoo	114	int found_size_command = 0; /* 1 = found size ; 2 = found xrange; 3 = found yrange*/
7614	schaersvoo	115	int click_cnt = 1;
		116	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		117	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
7989	schaersvoo	118	int barchart_cnt = 0; /* identifier for command 'barchart' ; multiple charts may be plotted in a single plot*/
7956	schaersvoo	119	int legend_cnt = -1; /* to allow multiple legends to be used, for multiple piecharts etc */
8074	schaersvoo	120	int reply_precision = 100; /* used for precision of student answers / drawings */
7614	schaersvoo	121	double angle = 0.0;
		122	int clickfillmarge = 20;
		123	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	124	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
8112	schaersvoo	125	int use_slider_display = 0; /* in case of a slider, should we display it's value ?*/
7614	schaersvoo	126	size_t string_length = 0;
		127	double stroke_opacity = 0.8;
		128	double fill_opacity = 0.8;
		129	char *URL = "http://localhost/images";
		130	memset(buffer,'\0',MAX_BUFFER);
		131	void *tmp_buffer = "";
8224	bpr	132
7614	schaersvoo	133	/* default writing a unzipped js-include file into wims getfile directory */
		134	char *w_wims_session = getenv("w_wims_session");
8224	bpr	135	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	136	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		137	}
		138	int L0=strlen(w_wims_session) + 21;
		139	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		140	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		141	mode_t process_mask = umask(0); /* check if file exists */
		142	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		143	if( result == 0 \|\| errno == EEXIST ){
		144	umask(process_mask); /* be sure to set correct permission */
8224	bpr	145	char *w_session = getenv("w_session");
7614	schaersvoo	146	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		147	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
8224	bpr	148	snprintf(getfile_cmd,L1,"wims.cgi?session=%s&cmd=getfile&special_parm=%d.js",w_session,canvas_root_id);/* extension ".gz" is MANDATORY for webserver */
7614	schaersvoo	149	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		150	/* now write file into getfile dir*/
		151	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		152	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		153	char location = my_newmem(L2); / create memory to fit string precisely */
		154	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		155	js_include_file = fopen(location,"w");/* open the file location for writing */
		156	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		157	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		158
		159	/* ----------------------------------------------------- */
		160	/* while more lines to process */
		161
		162	while(!finished){
7983	schaersvoo	163	if(line_number>1 && found_size_command == 0){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
7614	schaersvoo	164	type = get_token(infile);
		165	done = FALSE;
		166	/*
		167	@canvasdraw
8224	bpr	168	@will try use the same syntax as flydraw or svgdraw to paint a html5 bitmap image<br />by generating a tailor-made javascript include file: providing only the js-functionality needed to perform the job.<br />thus ensuring a minimal strain on the client browser <br />(unlike some popular 'canvas-do-it-all' libraries, who have proven to be not suitable for low-end computers found in schools...)
8262	schaersvoo	169	@General syntax <ul><li>The transparency of all objects can be controlled by command 'opacity [0-255],[0,255]'</il><li>a line based object can be controlled by command 'linewidth int'</li><li>a line based object may be dashed by using keyword 'dashed' before the object command.<br />the dashing type can be controled by command 'dashtype int,int'</li><li>a fillable object can be set fillable by starting the object command with an 'f'<br />(like frect,fcircle,ftriangle...)<br />or by using the keyword 'filled' before the object command.<br />The fill colour will be the stroke colour...(19/10/2013)</li><li> all draggable objects may have a slider for translation / rotation; several objects may be translated / rotated by a single slider</li> <li> a draggable object can be set draggable by a preceding command 'drag x/y/xy'<br />The translation can be read by javascript:read_dragdrop();The replyformat is : object_number : x-orig : y-orig : x-drag : y-drag<br />The x-orig/y-orig will be returned in maximum precision (javascript float)...<br />the x-drag/y-drag will be returned in defined 'precision' number of decimals<br />Multiple objects may be set draggable / clickable (no limit)<br /> not all flydraw objects may be dragged / clicked<br />Only draggable / clickable objects will be scaled on zoom and will be translated in case of panning</li><li> a 'onclick object' can be set 'clickable' by the preceding keyword 'onclick'<br />not all flydraw objects can be set clickable</li><li><b>remarks using a ';' as command separator</b><br />commands with only numeric or colour arguments may be using a ';' as command separator (in stead of a new line)<br />commands with a string argument may not use a ';' as command separator !<br />these exceptions are not really straight forward... so keep this in mind.</li></ul>
		170	@If needed multiple interactive scripts may be used in a single webpage.<br />A function 'read_canvas()' and / or 'read_dragdrop()' can read all interactive userdata from these images.<br />The global array 'canvas_scripts' will contain all unique random "canvas_root_id" of the included scripts.<br />The included local javascript "read" functions "read_canvas%d()" and "read_dragdrop%d()" will have this "%d = canvas_root_id"<br />e.g. canvas_scripts[0] will be the random id of the first script in the page and will thus provide a function<br />fun = eval("read_canvas"+canvas_scripts[0]) to read user based drawings / inputfield in this first image.<br />The read_dragdrop is analogue.<br />Use command 'replyformat' to format the replies for an individual canvas script,<br />To read all user interactions from all included canvas scripts , use something like:<br /><em>function read_all_canvas_images(){<br /> var script_len = canvas_scripts.length;<br /> var draw_reply = "";<br /> var found_result = false;<br /> for(var p = 0 ; p < script_len ; p++){<br />  var fun = eval("read_canvas"+canvas_scripts[p]);<br />  if( typeof fun === 'function'){<br />   var result = fun();<br />   if( result  && result.length != 0){<br />    if(script_len == 1 ){ return result;};<br />     found_result = true;<br />     draw_reply = draw_reply + result + "\\n";<br />    };<br />   };<br />  };<br /> if( found_result ){return draw_reply;}else{return null;};<br />};</em>
7614	schaersvoo	171	*/
		172	switch(type){
		173	case END:
		174	finished = 1;
		175	done = TRUE;
		176	break;
		177	case 0:
		178	sync_input(infile);
		179	break;
		180	case COMMENT:
		181	sync_input(infile);
		182	break;
		183	case EMPTY:
		184	sync_input(infile);
		185	break;
		186	case SIZE:
		187	/*
		188	@size width,height
		189	@set canvas size in pixels
		190	@mandatory first command
7906	schaersvoo	191	@if xrange and/or yrange is not given the range will be set to pixels :<br />xrange 0,xsize yrange 0,ysize<br />note: lower left corner is Origin (0:0) !!! this in contrast to flydraw
7614	schaersvoo	192	*/
7983	schaersvoo	193	found_size_command = 1;
7614	schaersvoo	194	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		195	ysize = (int)(abs(round(get_real(infile,1))));
		196	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		197	xmin = 0;xmax = xsize;
7647	schaersvoo	198	ymin = 0;ymax = ysize;
7614	schaersvoo	199
8224	bpr	200	/*
7614	schaersvoo	201	The sequence in which stuff is finally printed is important !!
		202	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		203	*/
8257	schaersvoo	204	fprintf(stdout,"\n<script type=\"text/javascript\">\
		205	if( typeof wims_status === 'undefined' ){ var wims_status = \"$status\";};\
		206	if( typeof use_dragdrop_reply === 'undefined' ){ var use_dragdrop_reply = false;};\
		207	if( typeof canvas_scripts === 'undefined' ){ var canvas_scripts = new Array();};\
		208	canvas_scripts.push(\"%d\");</script>\n\
8304	schaersvoo	209	<!-- canvasdraw div and tooltip placeholder, if needed -->\n\
		210	<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div>\n\
		211	<div id=\"tooltip_placeholder_div%d\" style=\"display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;\">\
		212	<span id=\"tooltip_placeholder%d\" style=\"display:none;\">\n</span>\
		213	</div>\n",canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
8257	schaersvoo	214	fprintf(stdout,"<!-- include actual object code via include file -->\n<script id=\"canvas_script%d\" type=\"text/javascript\" src=\"%s\"></script>\n",canvas_root_id,getfile_cmd);
8146	schaersvoo	215	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n\
8108	schaersvoo	216	\"use strict\";\n\
8146	schaersvoo	217	<!-- these variables and functions must be global -->\n\
8257	schaersvoo	218	var read_dragdrop%d;\
		219	var read_canvas%d;\
8130	schaersvoo	220	var set_clock;\
8146	schaersvoo	221	var clear_draw_area;\
8257	schaersvoo	222	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
8146	schaersvoo	223	var userdraw_x = [];var userdraw_y = [];var userdraw_radius = [];\n\
7729	schaersvoo	224	var xsize = %d;\
		225	var ysize = %d;\
7797	schaersvoo	226	var precision = 100;\
7729	schaersvoo	227	var canvas_div = document.getElementById(\"canvas_div%d\");\
8105	schaersvoo	228	var create_canvas%d = function(canvas_type,size_x,size_y){var cnv;if(document.getElementById(\"wims_canvas%d\"+canvas_type)){ cnv = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{try{ cnv = document.createElement(\"canvas\"); }catch(e){alert(\"Your browser does not support HTML5 CANVAS:GET FIREFOX !\");return;};canvas_div.appendChild(cnv);};cnv.width = size_x;cnv.height = size_y;cnv.style.top = 0;cnv.style.left = 0;cnv.style.position = \"absolute\";cnv.id = \"wims_canvas%d\"+canvas_type;return cnv;};\
7729	schaersvoo	229	function findPosX(i){ var obj = i;var curleft = 0;if(obj.offsetParent){while(1){curleft += obj.offsetLeft;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.x){curleft += obj.x;};};return curleft;};function findPosY(i){var obj = i;var curtop = 0;if(obj.offsetParent){while(1){curtop += obj.offsetTop;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.y){curtop += obj.y;};};return curtop;};\
7990	schaersvoo	230	function x2px(x){if(use_xlogscale == 0 ){return parseFloat(xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin));}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_in = Math.log(x)/Math.log(xlogbase);return x_inxsize/(x_max - x_min) - xsizex_min/(x_max - x_min);};};\
		231	function px2x(px){if(use_xlogscale == 0 ){return parseFloat(px(xmax - xmin)/xsize + xmin);}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_out = x_min +px(x_max - x_min)/(xsize);return Math.pow(xlogbase,x_out);};};\
		232	function px2y(py){if(use_ylogscale == 0 ){return parseFloat(ymax - py(ymax - ymin)/ysize);}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_out = y_max +py(y_min - y_max)/(ysize);return Math.pow(ylogbase,y_out);};};\
		233	function y2px(y){if(use_ylogscale == 0){return parseFloat(-1yysize/(ymax - ymin) + ymaxysize/(ymax - ymin));}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_in = Math.log(y)/Math.log(ylogbase);return (y_max - y_in)ysize/(y_max - y_min);};};\
8071	schaersvoo	234	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		235	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
7729	schaersvoo	236	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		237	function distance_to_line (r,q,x,y){var c = (y) - (-1/r)(x);var xs = r(c - q)/(rr+1);var ys = (r)(xs)+(q);return parseInt(Math.sqrt( (xs-x)(xs-x) + (ys-y)(ys-y) ));};\
8105	schaersvoo	238	function move(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = obj.x[p] + dx;obj.y[p] = obj.y[p] + dy;};return obj;};\
		239	function slide(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = x2px(obj.xorg[p] + dx);obj.y[p] = y2px(obj.yorg[p] + dy);};return obj;};\
7881	schaersvoo	240	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		241	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		242	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\
7735	schaersvoo	243	var xlogbase = 10;\
		244	var ylogbase = 10;\
7729	schaersvoo	245	var use_xlogscale = 0;\
		246	var use_ylogscale = 0;\
		247	var x_strings = null;\
		248	var y_strings = null;\
		249	var use_pan_and_zoom = 0;\
7858	schaersvoo	250	var use_jsmath = 0;\
7729	schaersvoo	251	var xstart = 0;\
7996	schaersvoo	252	var ystart = 0;\
		253	var unit_x=\" \";\
8257	schaersvoo	254	var unit_y=\" \";",canvas_root_id,canvas_root_id,canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	255	/* default add the drag code : nearly always used ...*/
8257	schaersvoo	256	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		257
7614	schaersvoo	258	break;
		259	case XRANGE:
		260	/*
		261	@ xrange xmin,xmax
8224	bpr	262	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	263	*/
		264	for(i = 0 ; i<2; i++){
		265	switch(i){
		266	case 0: xmin = get_real(infile,0);break;
		267	case 1: xmax = get_real(infile,1);break;
		268	default: break;
		269	}
		270	}
		271	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		272	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
7983	schaersvoo	273	found_size_command++;
7614	schaersvoo	274	break;
		275	case YRANGE:
		276	/*
		277	@ yrange ymin,ymax
		278	@ if not given 0,ysize (eg in pixels)
		279	*/
		280	for(i = 0 ; i<2; i++){
		281	switch(i){
		282	case 0: ymin = get_real(infile,0);break;
		283	case 1: ymax = get_real(infile,1);break;
		284	default: break;
		285	}
		286	}
		287	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		288	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
7983	schaersvoo	289	found_size_command++;
7614	schaersvoo	290	break;
		291	case TRANGE:
		292	/*
		293	@ trange tmin,tmax
		294	@ default -2,2
		295	*/
		296	use_parametric = TRUE;
		297	for(i = 0 ; i<2; i++){
		298	switch(i){
		299	case 0: tmin = get_real(infile,0);break;
		300	case 1: tmax = get_real(infile,1);break;
		301	default: break;
		302	}
		303	}
		304	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		305	break;
		306	case LINEWIDTH:
		307	/*
		308	@ linewidth int
		309	@ default 1
		310	*/
		311	line_width = (int) (get_real(infile,1));
		312	break;
		313	case ARROWHEAD:
		314	/*
		315	@ arrowhead int
		316	@ default 8 (pixels)
		317	*/
		318	arrow_head = (int) (get_real(infile,1));
		319	break;
		320	case CROSSHAIRSIZE:
		321	/*
		322	@ crosshairsize int
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
		427	@ draw multiple segments at given coordinates in color 'color'
		428	@ use command 'linewidth int' to adust size
		429	@ may be set draggable / onclick individually (!)
		430	*/
		431	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		432	fill_color = stroke_color;
		433	i=0;
		434	while( ! done ){ /* get next item until EOL*/
		435	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		436	if(i%2 == 0 ){
		437	double_data[i] = get_real(infile,0); /* x */
		438	}
		439	else
		440	{
		441	double_data[i] = get_real(infile,1); /* y */
		442	}
		443	i++;
		444	}
		445	decimals = find_number_of_digits(precision);
		446	for(c = 0 ; c < i-1 ; c = c+4){
		447	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
		448	click_cnt++;
		449	}
		450	reset();
		451	break;
7614	schaersvoo	452	case SEGMENT:
		453	/*
		454	@ segment x1,y1,x2,y2,color
		455	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		456	@ may be set draggable / onclick
		457	*/
		458	for(i=0;i<5;i++) {
		459	switch(i){
		460	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		461	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		462	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		463	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		464	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		465	decimals = find_number_of_digits(precision);
8097	schaersvoo	466	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	467	click_cnt++;reset();
		468	break;
		469	default: break;
		470	}
		471	}
		472	break;
		473	case LINE:
		474	/*
		475	@ line x1,y1,x2,y2,color
		476	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		477	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		478	@ may be set draggable / onclick
		479	*/
		480	for(i=0;i<5;i++){
		481	switch(i){
		482	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		483	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		484	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		485	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		486	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		487	if( double_data[10] == double_data[12] ){ /* vertical line*/
		488	double_data[1] = xmin;
		489	double_data[3] = ymax;
		490	double_data[0] = double_data[10];
		491	double_data[2] = double_data[10];
		492	}
		493	else
		494	{
		495	if( double_data[11] == double_data[13] ){ /* horizontal line */
		496	double_data[1] = double_data[11];
		497	double_data[3] = double_data[11];
		498	double_data[0] = ymin;
		499	double_data[2] = xmax;
		500	}
		501	else
		502	{
		503	/* m */
		504	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		505	/* q */
		506	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
8224	bpr	507
7614	schaersvoo	508	/xmin,mxmin+q,xmax,mxmax+q/
8224	bpr	509
7614	schaersvoo	510	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		511	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		512	double_data[0] = xmin;
		513	double_data[2] = xmax;
		514	}
		515	}
		516	decimals = find_number_of_digits(precision);
8097	schaersvoo	517	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	518	click_cnt++;reset();
		519	break;
		520	}
		521	}
		522	break;
8244	schaersvoo	523	case HALFLINE:
		524	/*
		525	@ demiline x1,y1,x2,y2,color
		526	@ alternative : halfline
		527	@ draws a halfline starting in (x1:y1) and through (x2:y2) in color 'color' (colorname or hex)
		528	@ may be set draggable / onclick
		529	*/
		530	for(i=0;i<5;i++){
		531	switch(i){
		532	case 0: double_data[0]= get_real(infile,0);break; /* x-values */
		533	case 1: double_data[1]= get_real(infile,0);break; /* y-values */
		534	case 2: double_data[10]= get_real(infile,0);break; /* x-values */
		535	case 3: double_data[11]= get_real(infile,0);break; /* y-values */
		536	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		537	if(double_data[0] == double_data[10]){ /* vertical halfline */
		538	if(double_data[1] < double_data[11]){
		539	double_data[3] = ymax + 1000;
		540	}
		541	else
		542	{
		543	double_data[3] = ymin - 1000;
		544	}
		545	double_data[2] = double_data[0];
		546	}
		547	else
		548	{ /* horizontal halfline*/
		549	if( double_data[1] == double_data[11] ){
		550	if( double_data[0] < double_data[10] ){
		551	double_data[2] = xmax + 1000; /* halfline to the right */
		552	}
		553	else
		554	{
		555	double_data[2] = xmin - 1000; /* halfline to the left */
		556	}
		557	double_data[3] = double_data[1];
		558	}
		559	else
		560	{
		561	/* any other halfline */
		562	/* slope */
		563	double_data[12] = (double_data[11] - double_data[1])/(double_data[10] - double_data[0]);
		564	/* const */
		565	double_data[13] = double_data[1] - double_data[12]*double_data[0];
		566	if( double_data[0] < double_data[10] ){
		567	double_data[2] = double_data[2] + 1000;
		568	}
		569	else
		570	{
		571	double_data[2] = double_data[2] - 1000;
		572	}
		573	double_data[3] = double_data[12]*double_data[2] + double_data[13];
		574	}
		575	}
		576	decimals = find_number_of_digits(precision);
		577	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,18,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
		578	click_cnt++;reset();
		579	break;
		580	}
		581	}
		582
		583	break;
8224	bpr	584	case HLINE:
7614	schaersvoo	585	/*
		586	@ hline x,y,color
		587	@ draw a horizontal line through point (x:y) in color 'color'
		588	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		589	@ may be set draggable / onclick
		590	*/
		591	for(i=0;i<3;i++) {
		592	switch(i){
		593	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		594	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		595	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		596	double_data[3] = double_data[1];
		597	decimals = find_number_of_digits(precision);
8097	schaersvoo	598	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,xmin,decimals,xmax,decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	599	click_cnt++;reset();
		600	break;
		601	}
		602	}
		603	break;
		604	case VLINE:
		605	/*
		606	@ vline x,y,color
		607	@ draw a vertical line through point (x:y) in color 'color'
		608	@ may be set draggable / onclick
		609	*/
		610	for(i=0;i<3;i++) {
		611	switch(i){
		612	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		613	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		614	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		615	double_data[2] = double_data[0];
		616	decimals = find_number_of_digits(precision);
8097	schaersvoo	617	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,ymin,decimals,ymax,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	618	click_cnt++;reset();
		619	break;
		620	}
		621	}
		622	break;
		623	case SQUARE:
		624	/*
8071	schaersvoo	625	@ square x,y,side (px) ,color
7614	schaersvoo	626	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		627	@ use command 'fsquare x,y,side,color' for a filled square
		628	@ use command/keyword 'filled' before command 'square x,y,side,color'
		629	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		630	@ may be set draggable / onclick
		631	*/
		632	for(i=0;i<5;i++){
		633	switch(i){
8071	schaersvoo	634	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		635	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		636	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		637	case 3:
		638	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	639	decimals = find_number_of_digits(precision);
8071	schaersvoo	640	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		641	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	642	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[3],decimals,double_data[3],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[4],decimals,double_data[4],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	643	click_cnt++;reset();
		644	break;
		645	}
		646	}
		647	break;
		648	case ROUNDRECT:
		649	/*
		650	@ roundrect x1,y1,x2,y2,radius,color
		651	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		652	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		653	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		654	@ may be set draggable / onclick
		655	*/
		656	for(i=0;i<6;i++){
		657	switch(i){
		658	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		659	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		660	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		661	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		662	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		663	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	664	/* ensure no inverted roundrect is produced... */
		665	if( double_data[0] > double_data[2] ){double_data[4] = double_data[0];double_data[0] = double_data[2];double_data[2] = double_data[4];}
8224	bpr	666	if( double_data[3] > double_data[1] ){double_data[4] = double_data[1];double_data[1] = double_data[3];double_data[3] = double_data[4];}
7614	schaersvoo	667	decimals = find_number_of_digits(precision);
8097	schaersvoo	668	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,6,[%.f,%.f],[%.f,%.f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	669	click_cnt++;reset();
		670	break;
		671	}
		672	}
		673	break;
		674	case RECT:
		675	/*
		676	@ rect x1,y1,x2,y2,color
		677	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		678	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		679	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		680	@ may be set draggable / onclick
		681	*/
		682	for(i=0;i<5;i++){
		683	switch(i){
		684	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		685	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		686	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		687	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		688	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		689	decimals = find_number_of_digits(precision);
8097	schaersvoo	690	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.f,%.f,%.f,%.f],[%.f,%.f,%.f,%.f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[2],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[3],decimals,double_data[3],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	691	click_cnt++;reset();
		692	break;
		693	}
		694	}
		695	break;
		696	case POLYLINE:
		697	/*
		698	@ polyline color,x1,y1,x2,y2...x_n,y_n
		699	@ may be set draggable / onclick
		700	*/
		701	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		702	i=0;
		703	c=0;
		704	while( ! done ){ /* get next item until EOL*/
		705	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		706	for( c = 0 ; c < 2; c++){
		707	if(c == 0 ){
		708	double_data[i] = get_real(infile,0);
		709	i++;
		710	}
		711	else
		712	{
		713	double_data[i] = get_real(infile,1);
		714	i++;
		715	}
		716	}
		717	}
		718	/* draw path : not closed & not filled */
		719	decimals = find_number_of_digits(precision);
8097	schaersvoo	720	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	721	click_cnt++;reset();
		722	break;
		723	case POLY:
		724	/*
		725	@ poly color,x1,y1,x2,y2...x_n,y_n
		726	@ draw closed polygon
		727	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		728	@ may be set draggable / onclick
		729	*/
		730	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		731	i=0;
		732	c=0;
		733	while( ! done ){ /* get next item until EOL*/
		734	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		735	for( c = 0 ; c < 2; c++){
		736	if(c == 0 ){
		737	double_data[i] = get_real(infile,0);
		738	i++;
		739	}
		740	else
		741	{
		742	double_data[i] = get_real(infile,1);
		743	i++;
		744	}
		745	}
		746	}
		747	/* draw path : closed & optional filled */
		748	decimals = find_number_of_digits(precision);
8097	schaersvoo	749	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	750	click_cnt++;reset();
		751	break;
8224	bpr	752	case ARC:
7614	schaersvoo	753	/*
		754	@ arc xc,yc,width,height,start_angle,end_angle,color
		755	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	756	@ attention: width == height == radius in pixels
		757	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		758	@ use command 'angle' for scalable angle
7614	schaersvoo	759	*/
		760	for(i=0;i<7;i++){
		761	switch(i){
		762	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		763	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		764	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		765	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		766	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		767	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		768	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		769	/* in Shape library:
		770	x[0] = x[1] = xc
		771	y[0] = y[1] = yc
8224	bpr	772	w[0] = w[1] = radius = width = height
		773	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	774	*/
		775	decimals = find_number_of_digits(precision);
8097	schaersvoo	776	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,12,[%.f,%.f],[%.f,%.f],[%d,%d],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],int_data[0],int_data[0],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	777	reset();
		778	break;
		779	}
		780	}
		781	break;
8224	bpr	782	case ANGLE:
8105	schaersvoo	783	/*
		784	@ angle xc,yc,width,start_angle,end_angle,color
		785	@ width is in x-range
		786	@ will zoom in/out
		787	@ if size is controlled by command 'slider' use radians to set limits of slider.
		788	*/
		789	for(i=0;i<7;i++){
		790	switch(i){
		791	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		792	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		793	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		794	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		795	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		796	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		797	decimals = find_number_of_digits(precision);
		798	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,17,[%.f,%.f],[%.f,%.f],[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[2],decimals,double_data[2],decimals,double_data[3],decimals,double_data[4],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
		799	reset();
		800	break;
		801	}
		802	}
		803	break;
		804
7614	schaersvoo	805	case ELLIPSE:
		806	/*
		807	@ ellipse xc,yc,radius_x,radius_y,color
8224	bpr	808	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	809	@ radius_x and radius_y are in pixels
		810	@ may be set draggable / onclick
8224	bpr	811	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	812	*/
		813	for(i=0;i<5;i++){
		814	switch(i){
		815	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		816	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		817	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
8224	bpr	818	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	819	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		820	decimals = find_number_of_digits(precision);
8097	schaersvoo	821	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,3,[%.f],[%.f],[%.f],[%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	822	click_cnt++;reset();
		823	break;
		824	}
		825	}
		826	break;
		827	case DASHTYPE:
		828	/*
		829	@ dashtype int ,int
7956	schaersvoo	830	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	831	@ default value "dashtype 2,2"
		832	*/
		833	for(i=0;i<2;i++){
		834	switch(i){
		835	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		836	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		837	}
		838	}
		839	break;
		840	case CIRCLE:
		841	/*
		842	@ circle xc,yc,width (2*r in pixels),color
		843	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		844	@ use command 'fillcolor color' to set the fillcolor
		845	@ may be set draggable / onclick
8224	bpr	846	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	847	*/
		848	for(i=0;i<4;i++){
		849	switch(i){
		850	case 0: double_data[0] = get_real(infile,0);break; /* x */
		851	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	852	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	853	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		854	decimals = find_number_of_digits(precision);
8097	schaersvoo	855	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],double_data[2],double_data[2],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	856	click_cnt++;reset();
8304	schaersvoo	857	break;
		858	default : break;
7614	schaersvoo	859	}
		860	}
		861	break;
8304	schaersvoo	862
		863	case CIRCLES:
		864	/*
		865	@ circles color,xc1,yc1,r1,xc2,yc2,r2...xc_n,yc_n,r_n
		866	@ Attention r = radius in x-range (!)
		867	@ use command 'fillcolor color' to set the fillcolor
		868	@ may be set draggable / onclick (individually)
		869	@ will shrink / expand on zoom out / zoom in
		870	*/
		871	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		872	fill_color = stroke_color;
		873	i=1;
		874	while( ! done ){ /* get next item until EOL*/
		875	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		876	switch (i%3){
		877	case 1:double_data[i-1] = get_real(infile,0);break; /* x */
		878	case 2:double_data[i-1] = get_real(infile,0);break; /* y */
		879	case 0:double_data[i-1] = get_real(infile,1);break; /* r */
		880	}
		881	i++;
		882	}
		883	decimals = find_number_of_digits(precision);
		884	for(c = 0 ; c < i-1 ; c = c+3){
		885	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.f],[%.f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+1],double_data[c+2],double_data[c+2],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
		886	click_cnt++;
		887	}
		888	reset();
		889	break;
7614	schaersvoo	890	case RAYS:
		891	/*
		892	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		893	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	894	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	895	*/
		896	stroke_color=get_color(infile,0);
7786	schaersvoo	897	fill_color = stroke_color;
		898	double_data[0] = get_real(infile,0);/* xc */
		899	double_data[1] = get_real(infile,0);/* yc */
		900	i=2;
		901	while( ! done ){ /* get next item until EOL*/
		902	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		903	if(i%2 == 0 ){
		904	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	905	}
7786	schaersvoo	906	else
		907	{
		908	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	909	}
7786	schaersvoo	910	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		911	i++;
7614	schaersvoo	912	}
8224	bpr	913
		914	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		915	decimals = find_number_of_digits(precision);
7786	schaersvoo	916	for(c=2; c<i;c = c+2){
7614	schaersvoo	917	click_cnt++;
8097	schaersvoo	918	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.f,%.f],[%.f,%.f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[c],decimals,double_data[1],decimals,double_data[c+1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
7614	schaersvoo	919	}
		920	reset();
		921	break;
8304	schaersvoo	922
		923	case ARROWS:
		924	/*
		925	@ arrows color,head (px),x1,y1,x2,y2...x_n,y_n
		926	@ draw single headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		927	@ use command 'linewidth int' to adjust thickness of the arrow
		928	@ may be set draggable / onclick individually
		929	*/
		930	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		931	fill_color = stroke_color;
		932	arrow_head = (int) get_real(infile,0);/* h */
		933	i=0;
		934	while( ! done ){ /* get next item until EOL*/
		935	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		936	if(i%2 == 0 ){
		937	double_data[i] = get_real(infile,0); /* x */
		938	}
		939	else
		940	{
		941	double_data[i] = get_real(infile,1); /* y */
		942	}
		943	i++;
		944	}
		945	decimals = find_number_of_digits(precision);
		946	for(c = 0 ; c < i-1 ; c = c+4){
		947	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);
		948	click_cnt++;
		949	}
		950	reset();
		951	break;
7614	schaersvoo	952	case ARROW:
		953	/*
		954	@ arrow x1,y1,x2,y2,h,color
		955	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		956	@ use command 'linewidth int' to adjust thickness of the arrow
		957	@ may be set draggable / onclick
		958	*/
		959	for(i=0;i<6;i++){
		960	switch(i){
		961	case 0: double_data[0] = get_real(infile,0);break; /* x */
		962	case 1: double_data[1] = get_real(infile,0);break; /* y */
		963	case 2: double_data[2] = get_real(infile,0);break; /* x */
		964	case 3: double_data[3] = get_real(infile,0);break; /* y */
		965	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		966	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		967	decimals = find_number_of_digits(precision);
8097	schaersvoo	968	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	969	click_cnt++;
		970	reset();
		971	break;
		972	}
		973	}
		974	break;
		975	case ARROW2:
		976	/*
		977	@ arrow2 x1,y1,x2,y2,h,color
		978	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		979	@ use command 'arrowhead int' to adjust the arrow head size
		980	@ use command 'linewidth int' to adjust thickness of the arrow
		981	@ may be set draggable / onclick
		982	*/
		983	for(i=0;i<6;i++){
		984	switch(i){
		985	case 0: double_data[0] = get_real(infile,0);break; /* x */
		986	case 1: double_data[1] = get_real(infile,0);break; /* y */
		987	case 2: double_data[2] = get_real(infile,0);break; /* x */
		988	case 3: double_data[3] = get_real(infile,0);break; /* y */
		989	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		990	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		991	decimals = find_number_of_digits(precision);
8097	schaersvoo	992	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	993	click_cnt++;reset();
		994	break;
		995	}
		996	}
		997	break;
8347	schaersvoo	998	case ARROWS2:
		999	/*
		1000	@ arrows2 color,head (px),x1,y1,x2,y2...x_n,y_n
		1001	@ draw double headed arrows / vectors from (x1:y1) to (x2:y2) ... (x3:y3) to (x4:y4) etc ... in color 'color'
		1002	@ use command 'linewidth int' to adjust thickness of the arrows
		1003	@ may be set draggable / onclick individually
		1004	*/
		1005	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		1006	fill_color = stroke_color;
		1007	arrow_head = (int) get_real(infile,0);/* h */
		1008	i=0;
		1009	while( ! done ){ /* get next item until EOL*/
		1010	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		1011	if(i%2 == 0 ){
		1012	double_data[i] = get_real(infile,0); /* x */
		1013	}
		1014	else
		1015	{
		1016	double_data[i] = get_real(infile,1); /* y */
		1017	}
		1018	i++;
		1019	}
		1020	decimals = find_number_of_digits(precision);
		1021	for(c = 0 ; c < i-1 ; c = c+4){
		1022	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);
		1023	click_cnt++;
		1024	}
		1025	reset();
		1026	break;
8224	bpr	1027	case PARALLEL:
7614	schaersvoo	1028	/*
		1029	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
8224	bpr	1030	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	1031	*/
		1032	for( i = 0;i < 8; i++ ){
		1033	switch(i){
		1034	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		1035	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		1036	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		1037	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		1038	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		1039	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		1040	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		1041	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		1042	decimals = find_number_of_digits(precision);
8097	schaersvoo	1043	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	1044	click_cnt++;reset();
		1045	break;
		1046	default: break;
		1047	}
		1048	}
		1049	break;
		1050	case TRIANGLE:
		1051	/*
		1052	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	1053	@may be set draggable / onclic
7614	schaersvoo	1054	*/
		1055	for(i=0;i<7;i++){
		1056	switch(i){
		1057	case 0: double_data[0] = get_real(infile,0);break; /* x */
		1058	case 1: double_data[1] = get_real(infile,0);break; /* y */
		1059	case 2: double_data[2] = get_real(infile,0);break; /* x */
		1060	case 3: double_data[3] = get_real(infile,0);break; /* y */
		1061	case 4: double_data[4] = get_real(infile,0);break; /* x */
		1062	case 5: double_data[5] = get_real(infile,0);break; /* y */
		1063	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		1064	decimals = find_number_of_digits(precision);
8097	schaersvoo	1065	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	1066	click_cnt++;reset();
		1067	break;
		1068	default: break;
		1069	}
		1070	}
		1071	break;
		1072	case LATTICE:
		1073	/*
		1074	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
8224	bpr	1075	@can not be set "onclick" or "drag xy"
7614	schaersvoo	1076	*/
		1077	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		1078	for( i = 0; i<9; i++){
		1079	switch(i){
		1080	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		1081	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		1082	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	1083	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	1084	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	1085	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	1086	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		1087	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		1088	case 8: stroke_color=get_color(infile,1);
		1089	decimals = find_number_of_digits(precision);
8071	schaersvoo	1090	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	1091	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1092	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	1093	add_to_buffer(tmp_buffer);
		1094	break;
		1095	default:break;
		1096	}
		1097	}
		1098	reset();
		1099	break;
		1100	case SNAPTOGRID:
		1101	/*
		1102	@ snaptogrid
		1103	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1104	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	1105	@ 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	1106	*/
7881	schaersvoo	1107	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	1108	break;
7784	schaersvoo	1109	case XSNAPTOGRID:
		1110	/*
		1111	@ xsnaptogrid
		1112	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1113	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	1114	@ 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	1115	*/
7881	schaersvoo	1116	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	1117	break;
		1118	case YSNAPTOGRID:
		1119	/*
		1120	@ ysnaptogrid
		1121	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		1122	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	1123	@ 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	1124	*/
7881	schaersvoo	1125	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	1126	break;
8222	schaersvoo	1127	case USERINPUT:
		1128	/*
		1129	@ userinput function \| textarea \| inputfield
		1130	@ alternative command + argment to keywords "userinput_function","userinput_textarea" and "userinput_xy"
		1131	@ textarea and inputfield are only usable in combination with some 'userdraw draw_ type'
		1132	@ function may be used any time (e.g. without userdraw)
8297	schaersvoo	1133	@ use command "functionlabel some_string" to define the inputfield text : default value "f(x)="
		1134	@ use command 'strokecolor some_color' to adjust the plot / functionlabel color
		1135	@ the userinput for the function will be corrected by a simple 'rawmath' implementation...
8222	schaersvoo	1136	*/
		1137	temp = get_string_argument(infile,1);
		1138	if(strstr(temp,"function") != 0 \|\| strstr(temp,"curve") != 0 \|\| strstr(temp,"plot") != 0 ){
8224	bpr	1139	if( js_function[DRAW_JSFUNCTION] != 1 ){
8297	schaersvoo	1140	add_rawmath(js_include_file);/* add simple rawmath routine to correct user input of function */
8222	schaersvoo	1141	js_function[DRAW_JSFUNCTION] = 1;
		1142	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1143	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	1144	input_cnt++;
		1145	}
8297	schaersvoo	1146	else
		1147	{
		1148	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1149	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]);
		1150	input_cnt++;
		1151	}
8222	schaersvoo	1152	if( use_js_math == FALSE){/* add this stuff only once...*/
		1153	add_to_js_math(js_include_file);
		1154	use_js_math = TRUE;
		1155	}
		1156	if( use_js_plot == FALSE){
		1157	use_js_plot = TRUE;
		1158	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1159	}
		1160	}
		1161	else
		1162	{
		1163	if(strstr(temp,"inputfield") != 0 ){
		1164	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		1165	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1166	use_input_xy = 1;
		1167	}
		1168	else
		1169	{
		1170	if(strstr(temp,"textarea") != 0 ){
		1171	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		1172	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
		1173	use_input_xy = 2;
		1174	}
		1175	else
		1176	{
		1177	canvas_error("userinput argument may be \"function,inputfield,textarea\"");
		1178	}
		1179	}
		1180	}
		1181	break;
7663	schaersvoo	1182	case USERTEXTAREA_XY:
		1183	/*
		1184	@ usertextarea_xy
8224	bpr	1185	@ keyword
7663	schaersvoo	1186	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
8224	bpr	1187	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	1188	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
8224	bpr	1189	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	1190	*/
7856	schaersvoo	1191	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	1192	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1193	use_input_xy = 2;
		1194	break;
7652	schaersvoo	1195	case USERINPUT_XY:
		1196	/*
		1197	@ userinput_xy
8224	bpr	1198	@ keyword
7652	schaersvoo	1199	@ to be used in combination with command "userdraw object_type,color"
8224	bpr	1200	@ 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	1201	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	1202	@ 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	1203	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
8224	bpr	1204	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	1205	*/
7749	schaersvoo	1206	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	1207	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	1208	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	1209	use_input_xy = 1;
		1210	break;
8297	schaersvoo	1211	case FUNCTION_LABEL:
8322	schaersvoo	1212	/*
		1213	@ functionlabel 'some string'
		1214	@ default value "f(x)="
		1215	@ no mathml allowed (just ascii string)
		1216	@ if needed, use before every command 'userinput function \| inputfield \| textarea'
		1217	*/
8297	schaersvoo	1218	function_label = get_string_argument(infile,1);
		1219	break;
8193	schaersvoo	1220	case USERINPUT_FUNCTION:
		1221	/*
		1222	@ userinput_function
		1223	@ keyword
		1224	@ if set , a inputfield will be added to the page
8297	schaersvoo	1225	@ repeat keyword for more function input fields
8193	schaersvoo	1226	@ the userinput value will be plotted in the canvas
		1227	@ 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
		1228	@ 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
		1229	@ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
		1230	*/
8224	bpr	1231	if( js_function[DRAW_JSFUNCTION] != 1 ){
8193	schaersvoo	1232	js_function[DRAW_JSFUNCTION] = 1;
8297	schaersvoo	1233	add_rawmath(js_include_file);
8193	schaersvoo	1234	if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
8297	schaersvoo	1235	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	1236	input_cnt++;
		1237	}
8297	schaersvoo	1238	else
		1239	{
		1240	/* no need to add DRAW_JSFUNCTION , just call it with the parameters */
		1241	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]);
		1242	input_cnt++;
		1243	}
8193	schaersvoo	1244	if( use_js_math == FALSE){/* add this stuff only once...*/
		1245	add_to_js_math(js_include_file);
		1246	use_js_math = TRUE;
		1247	}
		1248	if( use_js_plot == FALSE){
		1249	use_js_plot = TRUE;
		1250	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1251	}
		1252	break;
7614	schaersvoo	1253	case USERDRAW:
		1254	/*
		1255	@ userdraw object_type,color
8244	schaersvoo	1256	@ 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	1257	@ 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	1258	@ 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	1259	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	1260	@ 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)
		1261	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
8224	bpr	1262	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	1263	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		1264	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
8224	bpr	1265	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	1266	@ 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	1267	*/
		1268	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		1269	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		1270	}
8074	schaersvoo	1271	reply_precision = precision;
7614	schaersvoo	1272	use_userdraw = TRUE;
8130	schaersvoo	1273	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	1274	draw_type = get_string_argument(infile,0);
		1275	stroke_color = get_color(infile,1);
		1276	if( strcmp(draw_type,"point") == 0 ){
		1277	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1278	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1279	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1280	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1281	if(use_input_xy == 1){
7652	schaersvoo	1282	add_input_circle(js_include_file,1,1);
		1283	add_input_xy(js_include_file,canvas_root_id);
		1284	}
7614	schaersvoo	1285	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);
		1286	}
		1287	else
		1288	if( strcmp(draw_type,"points") == 0 ){
		1289	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1290	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1291	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1292	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1293	if(use_input_xy == 1){
7652	schaersvoo	1294	add_input_circle(js_include_file,1,2);
		1295	add_input_xy(js_include_file,canvas_root_id);
		1296	}
7614	schaersvoo	1297	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);
		1298	}
		1299	else
		1300	if( strcmp(draw_type,"segment") == 0 ){
		1301	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1302	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1303	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1304	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1305	if(use_input_xy == 1){
7652	schaersvoo	1306	add_input_segment(js_include_file,1);
		1307	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1308	}
7614	schaersvoo	1309	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1310	}
		1311	else
7663	schaersvoo	1312	if( strcmp(draw_type,"polyline") == 0 ){
		1313	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1314	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1315	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1316	if( use_input_xy == 1 ){
		1317	add_input_polyline(js_include_file);
		1318	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1319	}
		1320	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1321	}
		1322	else
7614	schaersvoo	1323	if( strcmp(draw_type,"segments") == 0 ){
		1324	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1325	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1326	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1327	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1328	if(use_input_xy == 1){
7652	schaersvoo	1329	add_input_segment(js_include_file,2);
		1330	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1331	}
7614	schaersvoo	1332	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1333	}
		1334	else
		1335	if( strcmp(draw_type,"circle") == 0 ){
		1336	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1337	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1338	/* 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	1339	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1340	if(use_input_xy == 1){
7652	schaersvoo	1341	add_input_circle(js_include_file,2,1);
		1342	add_input_xyr(js_include_file,canvas_root_id);
		1343	}
7614	schaersvoo	1344	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]);
		1345	}
		1346	else
		1347	if( strcmp(draw_type,"circles") == 0 ){
		1348	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1349	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1350	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1351	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	1352	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1353	if(use_input_xy == 1){
7652	schaersvoo	1354	add_input_circle(js_include_file,2,2);
		1355	add_input_xyr(js_include_file,canvas_root_id);
		1356	}
7614	schaersvoo	1357	}
		1358	else
		1359	if(strcmp(draw_type,"crosshair") == 0 ){
		1360	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1361	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1362	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1363	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1364	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1365	if(use_input_xy == 1){
7654	schaersvoo	1366	add_input_crosshair(js_include_file,1);
		1367	add_input_xy(js_include_file,canvas_root_id);
		1368	}
7614	schaersvoo	1369	}
		1370	else
		1371	if(strcmp(draw_type,"crosshairs") == 0 ){
		1372	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1373	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1374	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1375	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1376	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
8224	bpr	1377	if(use_input_xy == 1){
7654	schaersvoo	1378	add_input_crosshair(js_include_file,2);
		1379	add_input_xy(js_include_file,canvas_root_id);
		1380	}
7614	schaersvoo	1381	}
		1382	else
		1383	if(strcmp(draw_type,"freehandline") == 0 ){
		1384	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1385	if(reply_format == 0){reply_format = 6;}
8224	bpr	1386	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	1387	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1388	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1389	}
		1390	else
		1391	if(strcmp(draw_type,"freehandlines") == 0 ){
		1392	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1393	if(reply_format == 0){reply_format = 6;}
8224	bpr	1394	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	1395	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1396	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1397	}
		1398	else
		1399	if(strcmp(draw_type,"path") == 0 ){
		1400	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1401	if(reply_format == 0){reply_format = 6;}
8224	bpr	1402	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	1403	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1404	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1405	}
		1406	else
		1407	if(strcmp(draw_type,"paths") == 0 ){
		1408	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1409	if(reply_format == 0){reply_format = 6;}
8224	bpr	1410	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	1411	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1412	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1413	}
		1414	else
		1415	if(strcmp(draw_type,"arrows") == 0 ){
		1416	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1417	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1418	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	1419	if(use_input_xy == 1){
7654	schaersvoo	1420	add_input_arrow(js_include_file,2);
		1421	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1422	}
8071	schaersvoo	1423	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1424	}
		1425	else
7874	schaersvoo	1426	if(strcmp(draw_type,"arrows2") == 0 ){
		1427	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1428	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1429	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	1430	if(use_input_xy == 1){
7874	schaersvoo	1431	add_input_arrow(js_include_file,1);
		1432	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1433	}
8071	schaersvoo	1434	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1435	}
		1436	else
		1437	if(strcmp(draw_type,"arrow2") == 0 ){
		1438	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1439	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1440	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	1441	if(use_input_xy == 1){
7874	schaersvoo	1442	add_input_arrow(js_include_file,1);
		1443	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1444	}
8071	schaersvoo	1445	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1446	}
		1447	else
7614	schaersvoo	1448	if(strcmp(draw_type,"arrow") == 0 ){
		1449	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1450	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1451	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	1452	if(use_input_xy == 1){
7654	schaersvoo	1453	add_input_arrow(js_include_file,1);
		1454	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1455	}
8071	schaersvoo	1456	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1457	}
		1458	else
		1459	if(strcmp(draw_type,"polygon") == 0){
		1460	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1461	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1462	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	1463	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1464	if(use_input_xy == 2){
7780	schaersvoo	1465	add_textarea_polygon(js_include_file);
		1466	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1467	}
7614	schaersvoo	1468	}
8224	bpr	1469	else
7614	schaersvoo	1470	if(strncmp(draw_type,"poly",4) == 0){
		1471	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1472	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1473	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1474	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	1475	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1476	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1477	}
8224	bpr	1478	else
7614	schaersvoo	1479	if(strcmp(draw_type,"triangle") == 0){
		1480	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1481	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1482	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	1483	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1484	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1485	}
8224	bpr	1486	else
7989	schaersvoo	1487	if( strcmp(draw_type,"hline") == 0 ){
		1488	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1489	if(reply_format == 0){reply_format = 11;}
		1490	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1491	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1492	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1493	}
		1494	else
		1495	if( strcmp(draw_type,"hlines") == 0 ){
		1496	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1497	if(reply_format == 0){reply_format = 11;}
		1498	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1499	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1500	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1501	}
		1502	else
		1503	if( strcmp(draw_type,"vline") == 0 ){
		1504	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1505	if(reply_format == 0){reply_format = 11;}
		1506	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1507	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1508	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1509	}
		1510	else
		1511	if( strcmp(draw_type,"vlines") == 0 ){
		1512	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1513	if(reply_format == 0){reply_format = 11;}
		1514	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1515	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1516	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1517	}
		1518	else
7614	schaersvoo	1519	if( strcmp(draw_type,"line") == 0 ){
		1520	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1521	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1522	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1523	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1524	if( use_input_xy == 1 ){
7780	schaersvoo	1525	add_input_line(js_include_file,1);
7747	schaersvoo	1526	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1527	}
8071	schaersvoo	1528	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1529	}
		1530	else
		1531	if( strcmp(draw_type,"lines") == 0 ){
		1532	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1533	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1534	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1535	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1536	if( use_input_xy == 1 ){
7780	schaersvoo	1537	add_input_line(js_include_file,2);
7747	schaersvoo	1538	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1539	}
8071	schaersvoo	1540	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1541	}
		1542	else
8244	schaersvoo	1543	if( strcmp(draw_type,"demilines") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1544	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1545	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1546	if(reply_format == 0){reply_format = 11;}
		1547	add_js_demilines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1548	if( use_input_xy == 1 ){
		1549	add_input_demiline(js_include_file,2);
		1550	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1551	}
		1552	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1553	}
		1554	else
		1555	if( strcmp(draw_type,"demiline") == 0 \|\| strcmp(draw_type,"demilines") == 0 ){
		1556	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1557	if( js_function[DRAW_DEMILINES] != 1 ){ js_function[DRAW_DEMILINES] = 1;}
		1558	if(reply_format == 0){reply_format = 11;}
		1559	add_js_demilines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1560	if( use_input_xy == 1 ){
		1561	add_input_demiline(js_include_file,1);
		1562	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1563	}
		1564	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1565	}
		1566	else
7614	schaersvoo	1567	if( strcmp(draw_type,"rects") == 0){
		1568	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1569	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1570	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	1571	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1572	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1573	}
8224	bpr	1574	else
7614	schaersvoo	1575	if( strcmp(draw_type,"roundrects") == 0){
		1576	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1577	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1578	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	1579	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1580	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1581	}
8224	bpr	1582	else
7614	schaersvoo	1583	if( strcmp(draw_type,"rect") == 0){
		1584	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1585	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1586	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	1587	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1588	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1589	}
8224	bpr	1590	else
7614	schaersvoo	1591	if( strcmp(draw_type,"roundrect") == 0){
		1592	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1593	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1594	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	1595	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1596	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1597	}
		1598	else
8083	schaersvoo	1599	if( strcmp(draw_type,"arcs") == 0){
		1600	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1601	if(reply_format == 0){reply_format = 25;}
		1602	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]);
		1603	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1604	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1605	}
		1606	else
8071	schaersvoo	1607	if( strcmp(draw_type,"arc") == 0){
		1608	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1609	if(reply_format == 0){reply_format = 25;}
		1610	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	1611	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1612	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1613	}
		1614	else
7614	schaersvoo	1615	if( strcmp(draw_type,"text") == 0){
8224	bpr	1616	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1617	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1618	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1619	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1620	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1621	}
8116	schaersvoo	1622	else
		1623	if( strcmp(draw_type,"inputs") == 0){
8224	bpr	1624	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1625	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1626	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1627	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1628	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1629	}
		1630	else
		1631	if( strcmp(draw_type,"input") == 0){
8224	bpr	1632	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1633	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1634	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1635	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1636	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1637	}
8193	schaersvoo	1638	else
7614	schaersvoo	1639	{
		1640	canvas_error("unknown drawtype or typo? ");
		1641	}
		1642	reset();
		1643	break;
		1644	case PLOTSTEPS:
		1645	/*
		1646	@ plotsteps a_number
		1647	@ default 150
		1648	@ use with care !
		1649	*/
		1650	plot_steps = (int) (get_real(infile,1));
		1651	break;
		1652	case FONTSIZE:
		1653	/*
		1654	@fontsize font_size
		1655	@default value 12
		1656	*/
		1657	font_size = (int) (get_real(infile,1));
		1658	break;
		1659	case FONTCOLOR:
		1660	/*
		1661	@fontcolor color
		1662	@color: hexcolor or colorname
		1663	@default: black
		1664	@example usage: x/y-axis text
		1665	*/
		1666	font_color = get_color(infile,1);
		1667	break;
		1668	case ANIMATE:
		1669	/*
		1670	@animate type
8109	schaersvoo	1671	@REMOVED : this should be done with a slider
7614	schaersvoo	1672	@type may be "point" (nothing else , yet...)
		1673	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1674	@will animate a point on the next plot/curve command
		1675	@the curve will not be draw
		1676	@moves repeatedly from xmin to xmax
		1677	*/
		1678	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1679	break;
7788	schaersvoo	1680	case LEVELCURVE:
		1681	/*
		1682	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1683	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1684	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1685	@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
		1686	@note : the arrays for holding the javascript data are limited in size
		1687	@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	1688	*/
7792	schaersvoo	1689	fill_color = get_color(infile,0);
7788	schaersvoo	1690	char *fun1 = get_string_argument(infile,0);
		1691	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1692	i = 0;
		1693	done = FALSE;
		1694	while( !done ){
		1695	double_data[i] = get_real(infile,1);
		1696	i++;
		1697	}
		1698	for(c = 0 ; c < i; c++){
8097	schaersvoo	1699	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	1700	click_cnt++;
		1701	}
		1702	reset();
		1703	break;
7858	schaersvoo	1704	case TRACE_JSCURVE:
7823	schaersvoo	1705	/*
7858	schaersvoo	1706	@trace_jscurve some_math_function
7823	schaersvoo	1707	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1708	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
8224	bpr	1709	@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	1710	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1711	@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	1712	*/
		1713	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1714	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1715	if( use_js_math == FALSE){
		1716	add_to_js_math(js_include_file);
		1717	use_js_math = TRUE;
		1718	}
7823	schaersvoo	1719	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);
		1720	break;
		1721	case JSMATH:
		1722	/*
7858	schaersvoo	1723	@jsmath some_math_function
7856	schaersvoo	1724	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
8224	bpr	1725	@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	1726	@example: jsmath sin(x^2)
		1727	@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	1728	*/
		1729	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1730	if( use_js_math == FALSE){
		1731	add_to_js_math(js_include_file);
		1732	use_js_math = TRUE;
		1733	}
7823	schaersvoo	1734	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1735	break;
7858	schaersvoo	1736	case JSCURVE:
		1737	/*
		1738	@jscurve color,formula(x)
		1739	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1740	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1741	@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	1742	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1743	@no validity check is done by wims.
		1744	@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
		1745	@use command 'trace_jscurve formula(x)` for tracing
		1746	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1747	@can not be set draggable / onclick (yet)
8224	bpr	1748	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1749	*/
		1750	stroke_color = get_color(infile,0);
		1751	if( use_js_math == FALSE){/* add this stuff only once...*/
		1752	add_to_js_math(js_include_file);
		1753	use_js_math = TRUE;
		1754	}
		1755	if( use_js_plot == FALSE){
		1756	use_js_plot = TRUE;
		1757	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1758	}
		1759	temp = get_string_argument(infile,1);
		1760	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]);
		1761	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1762	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]);
		1763	add_to_buffer(tmp_buffer);
		1764	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1765
		1766	break;
7614	schaersvoo	1767	case CURVE:
		1768	/*
		1769	@curve color,formula(x)
		1770	@plot color,formula(x)
		1771	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1772	@use command "precision" to increase the number of digits of the plotted points
		1773	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1774	@may be set draggable / onclick
		1775	*/
		1776	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1777	use_parametric = FALSE;
		1778	stroke_color = get_color(infile,0);
		1779	char *fun1 = get_string_argument(infile,0);
		1780	char *fun2 = get_string_argument(infile,1);
		1781	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1782	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	1783	click_cnt++;
		1784	}
		1785	else
		1786	{
		1787	stroke_color = get_color(infile,0);
		1788	char *fun1 = get_string_argument(infile,1);
8224	bpr	1789	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1790	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	1791	click_cnt++;
		1792	}
7788	schaersvoo	1793	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1794	reset();
		1795	break;
		1796	case FLY_TEXT:
		1797	/*
		1798	@ text fontcolor,x,y,font,text_string
		1799	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1800	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1801	@ may be set "onclick" or "drag xy"
		1802	@ backwards compatible with flydraw
		1803	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1804	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1805	@ 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	1806	*/
		1807	for(i = 0; i < 5 ;i++){
		1808	switch(i){
		1809	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1810	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1811	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1812	case 3: fly_font = get_string_argument(infile,0);
		1813	if(strcmp(fly_font,"giant") == 0){
		1814	font_size = (int)(font_size + 24);
		1815	}
		1816	else
		1817	{
		1818	if(strcmp(fly_font,"huge") == 0){
		1819	font_size = (int)(font_size + 14);
		1820	}
		1821	else
		1822	{
		1823	if(strcmp(fly_font,"large") == 0){
		1824	font_size = (int)(font_size + 6);
		1825	}
		1826	else
		1827	{
		1828	if(strcmp(fly_font,"small") == 0){
		1829	font_size = (int)(font_size - 4);
		1830	if(font_size<0){font_size = 8;}
		1831	}
		1832	}
		1833	}
		1834	}
		1835	break; /* font_size ! */
8224	bpr	1836	case 4:
7614	schaersvoo	1837	temp = get_string_argument(infile,1);
		1838	decimals = find_number_of_digits(precision);
8097	schaersvoo	1839	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	1840	click_cnt++;reset();break;
		1841	default:break;
		1842	}
		1843	}
		1844	break;
		1845	case FLY_TEXTUP:
		1846	/*
		1847	@ textup fontcolor,x,y,font,text_string
		1848	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1849	@ font may be described by keywords : giant,huge,normal,small,tiny
8224	bpr	1850	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1851	@ backwards compatible with flydraw
		1852	@ unicode supported: textup red,0,0,huge,\\u2232
		1853	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1854	@ 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	1855	*/
8224	bpr	1856	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1857	for(i = 0; i<5 ;i++){
		1858	switch(i){
		1859	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1860	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1861	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1862	case 3: fly_font = get_string_argument(infile,0);
		1863	if(strcmp(fly_font,"giant") == 0){
		1864	font_size = (int)(font_size + 24);
		1865	}
		1866	else
		1867	{
		1868	if(strcmp(fly_font,"huge") == 0){
		1869	font_size = (int)(font_size + 14);
		1870	}
		1871	else
		1872	{
		1873	if(strcmp(fly_font,"large") == 0){
		1874	font_size = (int)(font_size + 6);
		1875	}
		1876	else
		1877	{
		1878	if(strcmp(fly_font,"small") == 0){
		1879	font_size = (int)(font_size - 4);
		1880	if(font_size<0){font_size = 8;}
		1881	}
		1882	}
		1883	}
		1884	}
		1885	break; /* font_size ! */
8224	bpr	1886	case 4:
7614	schaersvoo	1887	decimals = find_number_of_digits(precision);
		1888	temp = get_string_argument(infile,1);
8071	schaersvoo	1889	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1890	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1891	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,%s);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_affine,affine_matrix);
7614	schaersvoo	1892	add_to_buffer(tmp_buffer);
		1893	break;
		1894	default:break;
		1895	}
		1896	}
		1897	reset();
		1898	break;
		1899	case FONTFAMILY:
		1900	/*
		1901	@ fontfamily font_description
		1902	@ set the font family; for browsers that support it
		1903	@ font_description: Ariel ,Courier, Helvetica etc
		1904	@ 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
		1905	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1906	*/
		1907	font_family = get_string(infile,1);
		1908	break;
		1909	case STRINGUP:
8224	bpr	1910	/*
		1911	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1912	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1913	@ unicode supported: stringup red,0,0,45,\\u2232
		1914	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1915
		1916	*/
		1917	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1918	for(i=0;i<6;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: double_data[0] = get_real(infile,0);break;/* rotation */
		1924	case 4: decimals = find_number_of_digits(precision);
		1925	temp = get_string_argument(infile,1);
8071	schaersvoo	1926	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	1927	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1928	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	1929	add_to_buffer(tmp_buffer);
		1930	break;
		1931	default:break;
		1932	}
		1933	}
		1934	reset();
		1935	break;
		1936	case STRING:
8224	bpr	1937	/*
7614	schaersvoo	1938	@ string color,x,y,the text string
		1939	@ may be set "onclick" or "drag xy"
		1940	@ unicode supported: string red,0,0,\\u2232
8224	bpr	1941	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1942	*/
		1943	for(i=0;i<5;i++){
		1944	switch(i){
		1945	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1946	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1947	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1948	case 3: decimals = find_number_of_digits(precision);
		1949	temp = get_string_argument(infile,1);
		1950	decimals = find_number_of_digits(precision);
8097	schaersvoo	1951	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	1952	click_cnt++;reset();break;
		1953	default:break;
		1954	}
		1955	}
		1956	break;
7983	schaersvoo	1957	case CENTERSTRING:
8224	bpr	1958	/*
7983	schaersvoo	1959	@ centerstring color,y-value,the text string
7984	schaersvoo	1960	@ title color,y-value,the text string
7983	schaersvoo	1961	@ draw a string centered on the canvas at y = y-value
		1962	@ can not set "onclick" or "drag xy" (...)
		1963	@ unicode supported: centerstring red,5,\\u2232
8224	bpr	1964	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7983	schaersvoo	1965	*/
		1966	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		1967	for(i=0;i<3;i++){
		1968	switch(i){
		1969	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1970	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		1971	case 2: temp = get_string_argument(infile,1);
		1972	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		1973	decimals = find_number_of_digits(precision);
		1974	string_length = snprintf(NULL,0,
		1975	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1976	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1977	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);
		1978	add_to_buffer(tmp_buffer);
		1979	break;
		1980	default:break;
		1981	}
		1982	}
		1983	break;
7614	schaersvoo	1984	case MATHML:
		1985	/*
		1986	@ mathml x1,y1,x2,y2,mathml_string
8224	bpr	1987	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1988	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
8224	bpr	1989	@ 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	1990	@ 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	1991
7614	schaersvoo	1992	*/
		1993	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1994	for(i=0;i<5;i++){
		1995	switch(i){
		1996	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1997	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1998	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1999	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2000	case 4: decimals = find_number_of_digits(precision);
8224	bpr	2001	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	2002	temp = get_string(infile,1);
		2003	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		2004	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);
		2005	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2006	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);
		2007	add_to_buffer(tmp_buffer);
8224	bpr	2008	/*
		2009	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	2010	if no other reply_format is defined
		2011	note: all other reply types will include a reading of elements with id='mathml'+p)
		2012	*/
		2013	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	2014	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	2015	}
		2016	break;
		2017	default:break;
		2018	}
		2019	}
		2020	reset();
		2021	break;
		2022	case HTTP:
		2023	/*
		2024	@http x1,y1,x2,y2,http://some_adress.com
8224	bpr	2025	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	2026	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		2027	@can not be 'set onclick' or 'drag xy'
		2028	*/
8224	bpr	2029	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	2030	for(i=0;i<5;i++){
		2031	switch(i){
		2032	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		2033	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		2034	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		2035	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		2036	case 4: decimals = find_number_of_digits(precision);
		2037	temp = get_string(infile,1);
		2038	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		2039	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);
		2040	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2041	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);
		2042	add_to_buffer(tmp_buffer);
		2043	break;
		2044	}
		2045	}
		2046	reset();
		2047	break;
		2048	case HTML:
		2049	/*
		2050	@ html x1,y1,x2,y2,html_string
		2051	@ all tags are allowed
		2052	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		2053	@ 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	2054
7614	schaersvoo	2055	note: uses the same code as 'mathml'
		2056	*/
		2057	break;
		2058	case X_AXIS_STRINGS:
		2059	/*
		2060	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2061	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2062	@ use these x-axis values in stead of default xmin...xmax
		2063	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2064	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		2065	@ 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
		2066	@ 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
		2067	*/
		2068	temp = get_string(infile,1);
		2069	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2070	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2071	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		2072	use_axis_numbering = 1;
		2073	break;
		2074	case Y_AXIS_STRINGS:
		2075	/*
		2076	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2077	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		2078	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2079	@ use these y-axis values in stead of default ymin...ymax
		2080	@ 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
		2081	*/
		2082	temp = get_string(infile,1);
		2083	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		2084	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		2085	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		2086	use_axis_numbering = 1;
		2087	break;
8224	bpr	2088
7614	schaersvoo	2089	case AXIS_NUMBERING:
		2090	/*
8224	bpr	2091	@ axisnumbering
8101	schaersvoo	2092	@ keyword, no arguments required
7614	schaersvoo	2093	*/
		2094	use_axis_numbering = 1;
		2095	break;
		2096	case AXIS:
		2097	/*
		2098	@ axis
8101	schaersvoo	2099	@ keyword, no arguments required
7614	schaersvoo	2100
		2101	*/
		2102	use_axis = TRUE;
		2103	break;
8101	schaersvoo	2104	case KILLSLIDER:
		2105	/*
		2106	@ killslider
		2107	@ keyword, no arguments required
		2108	@ ends grouping of object under a preciously defined slider
		2109	*/
		2110	slider = 0;
		2111	break;
8071	schaersvoo	2112	case SLIDER:
		2113	/*
8097	schaersvoo	2114	@ slider start_value,end_value,width px,height px,type,label
		2115	@ type: xy,x,y,angle
8112	schaersvoo	2116	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		2117	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	2118	@ use commmand 'slider' before draggable/clickable objects.
		2119	@ 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	2120	@ amount of sliders is not limited.
8101	schaersvoo	2121	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	2122	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		2123	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	2124	@ label: some slider text
		2125	@ use fillcolor for slider ball
		2126	@ use strokecolor for slider bar
8097	schaersvoo	2127	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	2128	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	2129	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	2130	*/
		2131	for(i=0; i<6 ; i++){
		2132	switch(i){
		2133	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		2134	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		2135	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		2136	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	2137	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	2138	/* xy display*/
		2139	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	2140	slider = 4;
		2141	}
		2142	else
		2143	{
8112	schaersvoo	2144	if(strstr(temp,"x") != 0){
8097	schaersvoo	2145	slider = 1;
		2146	}
		2147	else
		2148	{
8112	schaersvoo	2149	if(strstr(temp,"y") != 0){
8097	schaersvoo	2150	slider = 2;
		2151	}
		2152	else
		2153	{
8112	schaersvoo	2154	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	2155	slider = 3;
		2156	}
		2157	else
8112	schaersvoo	2158	{
8097	schaersvoo	2159	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	2160	}
8097	schaersvoo	2161	}
		2162	}
		2163	}
8112	schaersvoo	2164	if(strstr(temp,"display")!=0){
		2165	use_slider_display = 1; /* show x xy values in canvas window */
		2166	}
		2167	else
		2168	{
		2169	if(strstr(temp,"degree")!= 0){
		2170	use_slider_display = 2; /* show angle values in canvas window */
		2171	}
		2172	else
		2173	{
		2174	if(strstr(temp,"radian")!=0){
		2175	use_slider_display = 3; /* show radian values in canvas window */
		2176	}
		2177	}
		2178	}
		2179	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		2180	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		2181	}
8097	schaersvoo	2182	break;
		2183	case 5: /* some string used for slider description */
8071	schaersvoo	2184	slider_cnt++;
8097	schaersvoo	2185	if(slider == 4){
8112	schaersvoo	2186	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	2187	}else{
8112	schaersvoo	2188	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	2189	}
8071	schaersvoo	2190	break;
		2191	}
8097	schaersvoo	2192	}
8071	schaersvoo	2193	break;
7654	schaersvoo	2194	case SGRAPH:
		2195	/*
		2196	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		2197	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	2198	@ 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	2199	@ 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	2200	*/
8224	bpr	2201	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	2202	for(i = 0 ; i < 8 ;i++){
		2203	switch(i){
		2204	case 0:double_data[0] = get_real(infile,0);break;
		2205	case 1:double_data[1] = get_real(infile,0);break;
		2206	case 2:double_data[2] = get_real(infile,0);break;
		2207	case 3:double_data[3] = get_real(infile,0);break;
		2208	case 4:int_data[0] = (int)(get_real(infile,0));break;
		2209	case 5:int_data[1] = (int)(get_real(infile,0));break;
		2210	case 6:stroke_color = get_color(infile,0);break;
		2211	case 7:font_color = get_color(infile,1);
7658	schaersvoo	2212	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	2213	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	2214	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	2215	add_to_buffer(tmp_buffer);
		2216	break;
		2217	default:break;
		2218	}
		2219	}
		2220	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		2221	break;
7614	schaersvoo	2222	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		2223	/*
		2224	@ grid step_x,step_y,gridcolor
		2225	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		2226	@ 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	2227	@ 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	2228	@ can not be set "onclick" or "drag xy"
		2229	@ 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')
		2230	@ 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')
		2231	@ 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')
		2232	*/
7729	schaersvoo	2233	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	2234	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		2235	for(i=0;i<4;i++){
		2236	switch(i){
		2237	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		2238	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		2239	case 2:
		2240	if( use_axis == TRUE ){
		2241	stroke_color = get_color(infile,0);
		2242	done = FALSE;
		2243	int_data[0] = (int) (get_real(infile,0));/* xminor */
		2244	int_data[1] = (int) (get_real(infile,0));/* yminor */
		2245	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		2246	fill_color = get_color(infile,1); /* used as axis_color*/
		2247	}
		2248	else
		2249	{
		2250	int_data[0] = 1;
		2251	int_data[1] = 1;
		2252	stroke_color = get_color(infile,1);
		2253	fill_color = stroke_color;
		2254	}
		2255	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	2256	/* set snap_x snap_y values in pixels */
7988	schaersvoo	2257	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	2258	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	2259	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2260	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	2261	add_to_buffer(tmp_buffer);
		2262	break;
		2263	}
		2264	}
		2265	reset();
		2266	break;
		2267	case OPACITY:
		2268	/*
		2269	@ opacity 0-255,0-255
		2270	@
		2271	*/
		2272	for(i = 0 ; i<2;i++){
		2273	switch(i){
		2274	case 0: double_data[0]=(int)(get_real(infile,0));break;
		2275	case 1: double_data[1]=(int)(get_real(infile,1));break;
		2276	default: break;
		2277	}
		2278	}
		2279	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 ? */
		2280	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		2281	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		2282	break;
		2283	case ROTATE:
		2284	/*
		2285	@rotate rotation_angle
8097	schaersvoo	2286	@angle in degrees
7614	schaersvoo	2287	*/
		2288	use_rotate = TRUE;
8097	schaersvoo	2289	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	2290	break;
7785	schaersvoo	2291	case KILLAFFINE:
		2292	/*
		2293	@ killaffine
		2294	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		2295	*/
		2296	use_affine = FALSE;
8224	bpr	2297	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	2298	break;
		2299	case AFFINE:
		2300	/*
		2301	@affine a,b,c,d,tx,ty
8224	bpr	2302	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	2303	@ use keyword 'killaffine' to end the transformation
		2304	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		2305	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		2306	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		2307	@ a : Scales the drawings horizontally
		2308	@ b : Skews the drawings horizontally
		2309	@ c : Skews the drawings vertically
		2310	@ d : Scales the drawings vertically
8071	schaersvoo	2311	@ tx: Moves the drawings horizontally in xrange coordinate system
8224	bpr	2312	@ ty: Moves the drawings vertically in yrange coordinate system
8071	schaersvoo	2313	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2314	*/
		2315	for(i = 0 ; i<6;i++){
		2316	switch(i){
		2317	case 0: double_data[0] = get_real(infile,0);break;
		2318	case 1: double_data[1] = get_real(infile,0);break;
		2319	case 2: double_data[2] = get_real(infile,0);break;
		2320	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2321	case 4: double_data[4] = get_real(infile,0);break;
		2322	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2323	use_affine = TRUE;
8071	schaersvoo	2324	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	2325	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8224	bpr	2326	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	2327	break;
7785	schaersvoo	2328	default: break;
		2329	}
		2330	}
		2331	break;
7614	schaersvoo	2332	case KILLTRANSLATION:
		2333	/*
		2334	killtranslation
		2335	*/
8071	schaersvoo	2336	use_affine = FALSE;
8224	bpr	2337	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2338	break;
		2339	case TRANSLATION:
		2340	/*
		2341	@translation tx,ty
8071	schaersvoo	2342	@will translate the next object tx in xrange and ty in yrange
		2343	@uase command 'killtranstation' to end the command
7614	schaersvoo	2344	*/
8071	schaersvoo	2345	for(i = 0 ; i<2;i++){
		2346	switch(i){
		2347	case 0: double_data[0] = get_real(infile,0);break;
		2348	case 1: double_data[1] = get_real(infile,1);
		2349	use_affine = TRUE;
		2350	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2351	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2352	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2353	break;
		2354	default: break;
		2355	}
		2356	}
		2357	break;
		2358
7614	schaersvoo	2359	case DASHED:
		2360	/*
		2361	@ keyword "dashed"
		2362	@ next object will be drawn with a dashed line
		2363	@ change dashing scheme by using command "dashtype int,int)
		2364	*/
		2365	use_dashed = TRUE;
		2366	break;
		2367	case FILLED:
		2368	/*
8224	bpr	2369	@ keyword "filled"
		2370	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2371	@ use command "fillcolor color" to set fillcolor
		2372	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2373	@ 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 !
		2374	*/
		2375	use_filled = TRUE;
		2376	break;
		2377	case STYLE:
		2378	/*
		2379	@highlight color,opacity,linewidth
		2380	@ NOT IMPLEMENTED
		2381	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2382	*/
		2383	break;
		2384	case FILLCOLOR:
		2385	/*
		2386	@ fillcolor colorname or #hex
		2387	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2388	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2389	*/
		2390	fill_color = get_color(infile,1);
		2391	break;
		2392	case STROKECOLOR:
		2393	/*
		2394	@ strokecolor colorname or #hex
		2395	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2396	*/
		2397	stroke_color = get_color(infile,1);
		2398	break;
8224	bpr	2399	case BGIMAGE:
7614	schaersvoo	2400	/*
		2401	@bgimage image_location
		2402	@use an image as background .<br />(we use the background of 'canvas_div' )
		2403	@the background image will be resized to match "width = xsize" and "height = ysize"
		2404	*/
		2405	URL = get_string(infile,1);
		2406	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);
		2407	break;
8224	bpr	2408	case BGCOLOR:
7614	schaersvoo	2409	/*
		2410	@bgcolor colorname or #hex
		2411	@use this color as background of the "div" containing the canvas(es)
		2412	*/
		2413	/* [255,255,255]*/
		2414	bgcolor = get_string(infile,1);
		2415	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2416	int found = 0;
		2417	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2418	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2419	bgcolor = colors[i].hex;
		2420	found = 1;
		2421	break;
		2422	}
		2423	}
		2424	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2425	}
		2426	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2427	break;
		2428	case COPY:
		2429	/*
		2430	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2431	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2432	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
8224	bpr	2433	@ [filename] is the URL of the image
7614	schaersvoo	2434	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2435	@ 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	2436	@ 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	2437
		2438	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2439	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2440	*/
		2441	for(i = 0 ; i<7;i++){
		2442	switch(i){
		2443	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2444	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2445	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2446	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2447	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2448	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2449	case 6: URL = get_string(infile,1);
		2450	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2451	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2452	if( drag_type > -1 ){
		2453	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2454	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2455	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);
		2456	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8224	bpr	2457	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	2458	drag_type = -1;
		2459	ext_img_cnt++;
		2460	}
		2461	else
		2462	{
		2463	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2464	/*
		2465	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2466	*/
		2467	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]);
		2468	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2469	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]);
		2470	}
		2471	add_to_buffer(tmp_buffer);
		2472	break;
		2473	default: break;
		2474	}
		2475	}
		2476	reset();
		2477	break;
		2478	/*
		2479	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2480	img Specifies the image, canvas, or video element to use
		2481	sx The x coordinate where to start clipping : x1 = int_data[0]
		2482	sy The y coordinate where to start clipping : x2 = int_data[1]
8224	bpr	2483	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2484	sheight The height of the clipped image : int_data[3] - int_data[1]
		2485	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2486	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2487	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2488	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2489	*/
		2490	case COPYRESIZED:
		2491	/*
		2492	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
8224	bpr	2493	@ 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	2494	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		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	for(i = 0 ; i<9;i++){
		2500	switch(i){
		2501	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2502	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2503	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2504	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2505	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2506	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2507	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2508	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2509	case 8: URL = get_string(infile,1);
		2510	if( drag_type > -1 ){
		2511	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2512	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2513	string_length = snprintf(NULL,0,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[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);
		2514	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2515	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);
		2516	drag_type = -1;
		2517	ext_img_cnt++;
		2518	}
		2519	else
		2520	{
		2521	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2522	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]);
		2523	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2524	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]);
		2525	}
		2526	add_to_buffer(tmp_buffer);
		2527	default: break;
		2528	}
		2529	}
		2530	reset();
		2531	break;
8146	schaersvoo	2532	case CLEARBUTTON:
7614	schaersvoo	2533	/*
8146	schaersvoo	2534	@clearbutton value
		2535	@adds a button to clear the userdraw canvas with text 'value'
8193	schaersvoo	2536	@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	2537	@uses the tooltip placeholder div element: may not be used with command 'intooltip'
8224	bpr	2538	@use command 'inputstyle' to style the button...
7614	schaersvoo	2539	*/
8146	schaersvoo	2540	add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
7614	schaersvoo	2541	break;
		2542	case INPUTSTYLE:
		2543	/*
		2544	@ inputstyle style_description
		2545	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2546	*/
		2547	input_style = get_string(infile,1);
		2548	break;
		2549	case INPUT:
8224	bpr	2550	/*
7614	schaersvoo	2551	@ input x,y,size,editable,value
8224	bpr	2552	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2553	@ only active inputfields (editable = 1) will be read with read_canvas();
8224	bpr	2554	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2555	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2556	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2557	*/
8224	bpr	2558	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2559	for(i = 0 ; i<5;i++){
		2560	switch(i){
		2561	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2562	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2563	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2564	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
8224	bpr	2565	case 4:
7614	schaersvoo	2566	temp = get_string_argument(infile,1);
		2567	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);
		2568	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2569	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);
		2570	add_to_buffer(tmp_buffer);
		2571	input_cnt++;break;
		2572	default: break;
		2573	}
		2574	}
7876	schaersvoo	2575	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2576	reset();
		2577	break;
		2578	case TEXTAREA:
8224	bpr	2579	/*
7614	schaersvoo	2580	@ textarea x,y,cols,rows,readonly,value
		2581	@ may be further controlled by "inputstyle"
8224	bpr	2582	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2583	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2584	*/
8224	bpr	2585	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2586	for(i = 0 ; i<6;i++){
		2587	switch(i){
		2588	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2589	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2590	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2591	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2592	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2593	case 5: temp = get_string_argument(infile,1);
		2594	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);
		2595	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2596	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);
		2597	add_to_buffer(tmp_buffer);
		2598	input_cnt++;break;
		2599	default: break;
		2600	}
		2601	}
7876	schaersvoo	2602	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2603	reset();
		2604	break;
		2605	case MOUSE_PRECISION:
		2606	/*
		2607	@ precision int
8074	schaersvoo	2608	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2609	@ may be used / changed before every object
8074	schaersvoo	2610	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2611	*/
		2612	precision = (int) (get_real(infile,1));
8074	schaersvoo	2613	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2614	break;
7838	schaersvoo	2615	case SETLIMITS:
		2616	/*
8224	bpr	2617	@setlimits
7838	schaersvoo	2618	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2619	@may be used for inputfield based zooming / panning
7858	schaersvoo	2620	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
8224	bpr	2621	@note:the input value will not be checked on validity
7838	schaersvoo	2622	*/
7956	schaersvoo	2623	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2624	add_setlimits(js_include_file,canvas_root_id);
		2625	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2626	use_pan_and_zoom = TRUE;
		2627	done = TRUE;
		2628	break;
7614	schaersvoo	2629	case ZOOM:
		2630	/*
		2631	@ zoom button_color
		2632	@ introduce a controlpanel at the lower right corner
		2633	@ 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
		2634	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2635	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
8224	bpr	2636	@ command 'opacity' may be used to set stroke_opacity of 'buttons
		2637	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2638	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2639	@ 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 !!
		2640	*/
7653	schaersvoo	2641	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2642	use_pan_and_zoom = TRUE;
7988	schaersvoo	2643	stroke_color = get_color(infile,1);
7614	schaersvoo	2644	/* we use BG_CANVAS (0) */
7988	schaersvoo	2645	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2646	done = TRUE;
		2647	break;
		2648	case ONCLICK:
		2649	/*
		2650	@ onclick
		2651	@ keyword, no arguments
		2652	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
8224	bpr	2653	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2654	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2655	*/
8257	schaersvoo	2656	fprintf(js_include_file,"use_dragdrop_reply = true;");
7614	schaersvoo	2657	onclick = 1;
		2658	break;
		2659	case DRAG:
		2660	/*
		2661	@ drag [x][y][xy]
		2662	@ the next object will be draggable in x / y / xy direction
		2663	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2664	@ 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	2665	@ 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	2666	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
8224	bpr	2667	@ 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	2668	@ 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 !!
		2669	*/
		2670	temp = get_string(infile,1);
8224	bpr	2671	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2672	drag_type = 0;
		2673	}
		2674	else
		2675	{
8224	bpr	2676	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2677	drag_type = 1;
		2678	}
		2679	else
		2680	{
		2681	drag_type = 2;
		2682	}
		2683	}
8257	schaersvoo	2684	fprintf(js_include_file,"dragdrop_precision = %d;use_dragdrop_reply = true;",precision);
7614	schaersvoo	2685	onclick = 2;
8257	schaersvoo	2686
7614	schaersvoo	2687	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2688	break;
		2689	case BLINK:
		2690	/*
		2691	@ blink time(seconds)
		2692	@ NOT IMPLEMETED -YET
		2693	*/
		2694	break;
7996	schaersvoo	2695	case XUNIT:
		2696	/*
		2697	@ xunit some_unit_for_x-values
		2698	@ unicode allowed (no html code)
		2699	@ use together with command mousex
		2700	@ will display the cursor x-coordinate 'unit'
		2701	*/
		2702	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2703	break;
		2704	case YUNIT:
		2705	/*
		2706	@ yunit some_unit_for_y-values
		2707	@ unicode allowed (no html code)
		2708	@ use together with command mousex
		2709	@ will display the cursor y-coordinate 'unit'
		2710	*/
		2711	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2712	break;
8071	schaersvoo	2713	case MOUSE_DISPLAY:
		2714	/*
8129	schaersvoo	2715	@display x\|y\|xy\|degree\|radius,color,fontsize
		2716	@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)
		2717	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2718	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2719	*/
		2720	temp = get_string_argument(infile,0);
8112	schaersvoo	2721	if( strstr(temp,"xy") != NULL ){
		2722	int_data[0] = 2;
8071	schaersvoo	2723	}else{
8112	schaersvoo	2724	if( strstr(temp,"y") != NULL ){
		2725	int_data[0] = 1;
8071	schaersvoo	2726	}else{
8112	schaersvoo	2727	if( strstr(temp,"x") != NULL ){
		2728	int_data[0] = 0;
8129	schaersvoo	2729	}else{
8112	schaersvoo	2730	if(strstr(temp,"degree") != NULL){
		2731	int_data[0] = 3;
8071	schaersvoo	2732	}else{
8129	schaersvoo	2733	if(strstr(temp,"radius") != NULL){
		2734	int_data[0] = 4;
		2735	}else{
		2736	int_data[0] = 2;
		2737	}
8112	schaersvoo	2738	}
8129	schaersvoo	2739	}
8071	schaersvoo	2740	}
8129	schaersvoo	2741	}
8071	schaersvoo	2742	stroke_color = get_color(infile,0);
		2743	font_size = (int) (get_real(infile,1));
		2744	tmp_buffer = my_newmem(26);
		2745	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2746	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2747	break;
		2748	case MOUSE_DEGREE:
		2749	/*
		2750	@ mouse_degree color,fontsize
8099	schaersvoo	2751	@ 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	2752	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
8224	bpr	2753	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
8071	schaersvoo	2754
		2755	*/
		2756	stroke_color = get_color(infile,0);
		2757	font_size = (int) (get_real(infile,1));
		2758	tmp_buffer = my_newmem(26);
		2759	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2760	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2761	break;
7991	schaersvoo	2762	case MOUSEX:
		2763	/*
		2764	@ mousex color,fontsize
		2765	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2766	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2767
		2768	*/
		2769	stroke_color = get_color(infile,0);
		2770	font_size = (int) (get_real(infile,1));
		2771	tmp_buffer = my_newmem(26);
		2772	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2773	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2774	break;
		2775	case MOUSEY:
		2776	/*
		2777	@ mousey color,fontsize
		2778	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2779	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2780
		2781	*/
		2782	stroke_color = get_color(infile,0);
		2783	font_size = (int) (get_real(infile,1));
		2784	tmp_buffer = my_newmem(26);
		2785	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2786	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2787	break;
7614	schaersvoo	2788	case MOUSE:
		2789	/*
		2790	@ mouse color,fontsize
7991	schaersvoo	2791	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
8224	bpr	2792	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
7988	schaersvoo	2793
7614	schaersvoo	2794	*/
		2795	stroke_color = get_color(infile,0);
		2796	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2797	tmp_buffer = my_newmem(26);
		2798	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2799	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2800	break;
		2801	case INTOOLTIP:
		2802	/*
		2803	@ intooltip link_text
		2804	@ link_text is a single line (span-element)
		2805	@ link_text may also be an image URL http://some_server/images/my_image.png
		2806	@ link_text may contain HTML markup
		2807	@ the canvas will be displayed in a tooltip on 'link_text'
		2808	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2809	*/
7823	schaersvoo	2810	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2811	use_tooltip = TRUE;
		2812	tooltip_text = get_string(infile,1);
		2813	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2814	break;
		2815	case AUDIO:
		2816	/*
		2817	@ audio x,y,w,h,loop,visible,audiofile location
		2818	@ x,y : left top corner of audio element (in xrange / yrange)
		2819	@ w,y : width and height in pixels
		2820	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2821	@ visible : 0 or 1 (1 = show controls)
		2822	@ audio format may be in .mp3 or .ogg
		2823	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2824	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2825	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2826	@ 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 />
		2827	*/
		2828	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2829	for(i=0;i<7;i++){
		2830	switch(i){
		2831	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2832	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2833	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2834	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2835	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2836	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
8224	bpr	2837	case 6:
7614	schaersvoo	2838	temp = get_string(infile,1);
		2839	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2840	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2841	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);
		2842	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2843	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);
		2844	add_to_buffer(tmp_buffer);
		2845	break;
		2846	default:break;
		2847	}
		2848	}
		2849	reset();
		2850	break;
		2851	case VIDEO:
		2852	/*
		2853	@ video x,y,w,h,videofile location
		2854	@ x,y : left top corner of audio element (in xrange / yrange)
		2855	@ w,y : width and height in pixels
		2856	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2857	@ video format may be in *.mp4 (todo:other formats)
		2858	*/
		2859	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2860	for(i=0;i<5;i++){
		2861	switch(i){
		2862	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2863	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2864	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2865	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2866	case 4: temp = get_string(infile,1);
		2867	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);
		2868	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2869	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);
		2870	add_to_buffer(tmp_buffer);
		2871	break;
		2872	default:break;
		2873	}
		2874	}
		2875	reset();
		2876	break;
		2877	case HATCHFILL:
		2878	/*
		2879	@ hatchfill x0,y0,dx,dy,color
		2880	@ x0,y0 in xrange / yrange
		2881	@ distances dx,dy in pixels
		2882	*/
		2883	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2884	for(i=0;i<5;i++){
		2885	switch(i){
		2886	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2887	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2888	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2889	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2890	case 4: stroke_color = get_color(infile,1);
		2891	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2892	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);
		2893	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2894	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);
		2895	add_to_buffer(tmp_buffer);
		2896	break;
		2897	default:break;
		2898	}
		2899	}
		2900	reset();
		2901	break;
7647	schaersvoo	2902	case DIAMONDFILL:
		2903	/*
		2904	@ diamondfill x0,y0,dx,dy,color
		2905	@ x0,y0 in xrange / yrange
		2906	@ distances dx,dy in pixels
		2907	*/
		2908	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2909	for(i=0;i<5;i++){
		2910	switch(i){
		2911	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2912	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2913	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2914	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2915	case 4: stroke_color = get_color(infile,1);
		2916	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2917	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);
		2918	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2919	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);
		2920	add_to_buffer(tmp_buffer);
		2921	break;
		2922	default:break;
		2923	}
		2924	}
		2925	reset();
		2926	break;
7614	schaersvoo	2927	case GRIDFILL:
		2928	/*
		2929	@ gridfill x0,y0,dx,dy,color
		2930	@ x0,y0 in xrange / yrange
		2931	@ distances dx,dy in pixels
7883	schaersvoo	2932	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2933	@ userdraw object may snap_to_grid
7614	schaersvoo	2934	*/
		2935	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2936	for(i=0;i<5;i++){
		2937	switch(i){
		2938	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2939	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2940	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2941	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2942	case 4: stroke_color = get_color(infile,1);
		2943	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);
		2944	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2945	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);
		2946	add_to_buffer(tmp_buffer);
		2947	break;
		2948	default:break;
		2949	}
		2950	}
		2951	reset();
		2952	break;
		2953	case DOTFILL:
		2954	/*
		2955	@ dotfill x0,y0,dx,dy,color
		2956	@ x0,y0 in xrange / yrange
		2957	@ distances dx,dy in pixels
		2958	@ radius of dots is linewidth
		2959	*/
		2960	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2961	for(i=0;i<5;i++){
		2962	switch(i){
		2963	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2964	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2965	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2966	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2967	case 4: stroke_color = get_color(infile,1);
		2968	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2969	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);
		2970	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2971	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);
		2972	add_to_buffer(tmp_buffer);
		2973	break;
		2974	default:break;
		2975	}
		2976	}
		2977	reset();
		2978	break;
		2979	case IMAGEFILL:
		2980	/*
		2981	@ imagefill dx,dy,image_url
		2982	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2983	@ After pattern filling ,the fill-color should be reset !
		2984	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2985	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2986	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2987	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2988	*/
		2989	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2990	for(i=0 ;i < 3 ; i++){
		2991	switch(i){
		2992	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2993	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2994	case 2: URL = get_string_argument(infile,1);
		2995	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);
		2996	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2997	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);
		2998	add_to_buffer(tmp_buffer);
		2999	break;
		3000	}
		3001	}
8083	schaersvoo	3002	reset();
7614	schaersvoo	3003	break;
		3004	case FILLTOBORDER:
		3005	/*
		3006	@ filltoborder x,y,bordercolor,color
8224	bpr	3007	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	3008	@ any other color will not act as border to the bucket fill
		3009	@ use this command after all boundary objects are declared.
		3010	@ 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..
		3011	*/
		3012	for(i=0 ;i < 4 ; i++){
		3013	switch(i){
		3014	case 0:double_data[0] = get_real(infile,0);break;
		3015	case 1:double_data[1] = get_real(infile,0);break;
		3016	case 2:bgcolor = get_color(infile,0);break;
		3017	case 3:fill_color = get_color(infile,1);
		3018	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		3019	js_function[DRAW_FILLTOBORDER] = 1;
		3020	add_js_filltoborder(js_include_file,canvas_root_id);
		3021	}
		3022	decimals = find_number_of_digits(precision);
7895	schaersvoo	3023	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	3024	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	3025	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	3026	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	3027	add_to_buffer(tmp_buffer);
		3028	break;
		3029	default:break;
8083	schaersvoo	3030	}
		3031	}
		3032	reset();
7614	schaersvoo	3033	break;
		3034	case FLOODFILL:
		3035	/*
		3036	@ floodfill x,y,color
		3037	@ alternative syntax: fill x,y,color
		3038	@ fill the region of point (x:y) with color 'color'
		3039	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		3040	@ use this command after all boundary objects are declared.
		3041	@ Use command 'clickfill,color' for user click driven flood fill.
		3042	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3043	@ 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..
		3044	*/
		3045	for(i=0 ;i < 4 ; i++){
		3046	switch(i){
		3047	case 0:double_data[0] = get_real(infile,0);break;
		3048	case 1:double_data[1] = get_real(infile,0);break;
		3049	case 2:fill_color = get_color(infile,1);
		3050	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3051	js_function[DRAW_FLOODFILL] = 1;
		3052	add_js_floodfill(js_include_file,canvas_root_id);
		3053	}
		3054	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	3055	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		3056	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	3057	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	3058	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	3059	add_to_buffer(tmp_buffer);
		3060	break;
		3061	default:break;
8083	schaersvoo	3062	}
		3063	}
		3064	reset();
7614	schaersvoo	3065	break;
		3066	case CLICKFILLMARGE:
		3067	clickfillmarge = (int) (get_real(infile,1));
		3068	break;
		3069	/*
		3070	@ clickfillmarge int
		3071	@ default 20 (pixels)
		3072	@ 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[])
		3073	*/
		3074	case CLICKFILL:
		3075	/*
		3076	@ clickfill fillcolor
		3077	@ user left mouse click will floodfill the area with fillcolor
		3078	@ multiple areas may be coloured
		3079	@ 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)
		3080	@ the answer will be read as the (x:y) click coordinates per coloured area
		3081	@ background color of main div may be set by using command "bgcolor color"
		3082	@ may not be combined with command "userdraw"
		3083	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		3084	*/
		3085	fill_color = get_color(infile,1);
		3086	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		3087	js_function[DRAW_FLOODFILL] = 1;
		3088	add_js_floodfill(js_include_file,canvas_root_id);
		3089	}
8130	schaersvoo	3090	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	3091	add_read_canvas(canvas_root_id,1,reply_precision);
8083	schaersvoo	3092	reset();
7614	schaersvoo	3093	break;
		3094	case SETPIXEL:
		3095	/*
		3096	@ setpixel x,y,color
		3097	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		3098	@ pixels can not be dragged or clicked
		3099	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3100	*/
		3101	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3102	for(i=0;i<3;i++){
		3103	switch(i){
		3104	case 0: double_data[0] = get_real(infile,0); break; /* x */
		3105	case 1: double_data[1] = get_real(infile,0); break; /* y */
		3106	case 2: stroke_color = get_color(infile,1);
		3107	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3108	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3109	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		3110	add_to_buffer(tmp_buffer);
		3111	break;
		3112	default:break;
		3113	}
		3114	}
		3115	reset();
		3116	break;
		3117	case PIXELSIZE:
		3118	/*
		3119	@ pixelsize int
		3120	@ in case you want to deviate from default pixelsize = 1...
		3121	*/
		3122	pixelsize = (int) get_real(infile,1);
		3123	break;
		3124	case PIXELS:
		3125	/*
		3126	@ pixels color,x1,y1,x2,y2,x3,y3...
		3127	@ Draw "points" with diameter 1 pixel
		3128	@ pixels can not be dragged or clicked
		3129	@ "pixelsize = 1" may be changed by command "pixelsize int"
		3130	*/
		3131	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		3132	stroke_color=get_color(infile,0);
		3133	i=0;
		3134	c=0;
		3135	while( ! done ){ /* get next item until EOL*/
		3136	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		3137	for( c = 0 ; c < 2; c++){
		3138	if(c == 0 ){
		3139	double_data[i] = get_real(infile,0);
		3140	i++;
		3141	}
		3142	else
		3143	{
		3144	double_data[i] = get_real(infile,1);
		3145	i++;
		3146	}
		3147	}
		3148	}
		3149	decimals = find_number_of_digits(precision);
		3150	/* double_xy2js_array(double xy[],int len,int decimals) /
		3151	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3152	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3153	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		3154	add_to_buffer(tmp_buffer);
8083	schaersvoo	3155	reset();
7614	schaersvoo	3156	break;
		3157	case REPLYFORMAT:
		3158	/*
		3159	@ replyformat number
8257	schaersvoo	3160	@ use number=-1 to deactivate the js-functions read_canvas() and read_dragdrop()
7614	schaersvoo	3161	@ default values should be fine !
8074	schaersvoo	3162	@ 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	3163	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8322	schaersvoo	3164	@ 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	3165	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		3166	*/
		3167	reply_format = (int) get_real(infile,1);
8074	schaersvoo	3168	reply_precision = precision;
7614	schaersvoo	3169	break;
		3170	case LEGENDCOLORS:
		3171	/*
		3172	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	3173	@ 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	3174	@ make sure the number of colours match the number of legend items
8224	bpr	3175	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	3176	*/
7956	schaersvoo	3177	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	3178	temp = get_string(infile,1);
		3179	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3180	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3181	break;
		3182	case LEGEND:
		3183	/*
		3184	@ legend string1:string2:string3....string_n
		3185	@ will be used to create a legend for a graph
8224	bpr	3186	@ also see command 'piechart'
7956	schaersvoo	3187	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	3188	*/
		3189	temp = get_string(infile,1);
		3190	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	3191	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		3192	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	3193	break;
		3194	case XLABEL:
		3195	/*
		3196	@ xlabel some_string
		3197	@ will be used to create a label for the x-axis (label is in quadrant I)
		3198	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3199	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3200	*/
		3201	temp = get_string(infile,1);
7653	schaersvoo	3202	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	3203	break;
		3204	case YLABEL:
		3205	/*
		3206	@ ylabel some_string
8224	bpr	3207	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	3208	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
8224	bpr	3209	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	3210	*/
		3211	temp = get_string(infile,1);
7653	schaersvoo	3212	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	3213	break;
		3214	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		3215	/*
7996	schaersvoo	3216	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	3217	@ will plot your data in a graph
		3218	@ may only to be used together with command 'grid'
		3219	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3220	@ use command 'legend' to provide an optional legend in right-top-corner
		3221	@ also see command 'piechart'
		3222	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	3223	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	3224	@ <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	3225	*/
7614	schaersvoo	3226	temp = get_string(infile,1);
		3227	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	3228	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	3229	linegraph_cnt++;
		3230	reset();
		3231	break;
7989	schaersvoo	3232	case BARCHART:
		3233	/*
		3234	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		3235	@ will be used to create a legend for bar graph
		3236	@ may only to be used together with command 'grid'
		3237	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		3238	@ use command 'legend' to provide an optional legend in right-top-corner
		3239	@ also see command 'piechart'
		3240	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		3241	*/
		3242	temp = get_string(infile,1);
		3243	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		3244	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		3245	barchart_cnt++;
		3246	reset();
		3247	break;
7614	schaersvoo	3248	case CLOCK:
		3249	/*
		3250	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	3251	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	3252	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		3253	@ 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	3254	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	3255	@ 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>
		3256	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		3257	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	3258	@ 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	3259	@ 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	3260	*/
		3261	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		3262
		3263	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		3264	for(i=0;i<9;i++){
		3265	switch(i){
		3266	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		3267	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		3268	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		3269	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		3270	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		3271	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	3272	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	3273	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	3274	switch(int_data[7]){
		3275	case 0:break;
		3276	case 1:if(clock_cnt == 0){
		3277	if( reply_format == 0 ){
7614	schaersvoo	3278	reply_format = 18; /* user sets clock */
7783	schaersvoo	3279	/* 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	3280	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		3281	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");
		3282	add_to_buffer(tmp_buffer);
7783	schaersvoo	3283	*/
8130	schaersvoo	3284	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	3285	}
		3286	else
		3287	{
		3288	canvas_error("interactive clock may not be used together with other reply_types...");
		3289	}
		3290	}
8130	schaersvoo	3291	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	3292	break;
		3293	case 2:if( reply_format == 0 ){
		3294	reply_format = 19; /* "onclick */
8130	schaersvoo	3295	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	3296	}
		3297	else
		3298	{
		3299	if( reply_format != 19){
7614	schaersvoo	3300	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		3301	}
7783	schaersvoo	3302	}
		3303	break;
		3304	default: canvas_error("interactive must be set 0,1 or 2");break;
		3305	}
		3306	break;
8224	bpr	3307	case 8:
8130	schaersvoo	3308	if(clock_cnt == 0 ){ /* set opacity's just once .... it should be a argument to clock() , for now it's OK */
		3309	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
		3310	}
7614	schaersvoo	3311	temp = get_string(infile,1);
		3312	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		3313	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
8130	schaersvoo	3314	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	3315	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8130	schaersvoo	3316	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	3317	add_to_buffer(tmp_buffer);
		3318	clock_cnt++;
		3319	break;
		3320	default:break;
		3321	}
		3322	}
		3323	break;
		3324	case PIECHART:
		3325	/*
		3326	@ piechart xc,yc,radius,'data+colorlist'
		3327	@ (xc : yc) center of circle diagram in xrange/yrange
		3328	@ radius in pixels
		3329	@ 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
		3330	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3331	@ the number of colors must match the number of data.
		3332	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
8224	bpr	3333	@ 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	3334	*/
8224	bpr	3335	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3336	for(i=0;i<5;i++){
		3337	switch(i){
		3338	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3339	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3340	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3341	case 3: temp = get_string(infile,1);
		3342	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3343	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	3344	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3345	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	3346	add_to_buffer(tmp_buffer);
		3347	break;
		3348	default:break;
		3349	}
		3350	}
		3351	reset();
		3352	break;
		3353	case STATUS:
7877	schaersvoo	3354	/*
		3355	@status
		3356	@keyword
		3357	@alernative keyword: nostatus
		3358	@used to override the effects of "status=done" in wims (answer.phtml)
		3359	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3360	@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'
		3361	*/
8224	bpr	3362
7877	schaersvoo	3363	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3364	break;
7735	schaersvoo	3365	case XLOGBASE:
7729	schaersvoo	3366	/*
7735	schaersvoo	3367	@ xlogbase number
		3368	@ sets the logbase number for the x-axis
7729	schaersvoo	3369	@ default value 10
7735	schaersvoo	3370	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3371	*/
7735	schaersvoo	3372	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3373	break;
7735	schaersvoo	3374	case YLOGBASE:
		3375	/*
		3376	@ ylogbase number
		3377	@ sets the logbase number for the y-axis
		3378	@ default value 10
		3379	@ use together with commands ylogscale / xylogscale
		3380	*/
		3381	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3382	break;
7614	schaersvoo	3383	case XLOGSCALE:
		3384	/*
7735	schaersvoo	3385	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3386	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3387	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3388	@ the linewidth is set using command 'linewidth int'
		3389	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3390	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
8224	bpr	3391	@ 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	3392	@ note: the complete canvas will be used for the 'log paper'
		3393	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3394	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3395	@ note: when using something like '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	3396	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3397	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3398	*/
7735	schaersvoo	3399	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3400	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3401	for(i=0;i<4;i++){
		3402	switch(i){
		3403	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3404	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3405	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3406	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3407	string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	3408	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3409	snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735	schaersvoo	3410	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3411	add_to_buffer(tmp_buffer);
		3412	break;
		3413	default:break;
		3414	}
		3415	}
7614	schaersvoo	3416	break;
		3417	case YLOGSCALE:
7729	schaersvoo	3418	/*
		3419	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3420	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3421	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3422	@ the linewidth is set using command 'linewidth int'
		3423	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3424	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
8224	bpr	3425	@ 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	3426	@ note: the complete canvas will be used for the 'log paper'
		3427	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3428	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3429	@ 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	3430	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3431	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3432	*/
		3433	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3434	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3435	for(i=0;i<4;i++){
		3436	switch(i){
		3437	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3438	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3439	case 2: stroke_color = get_color(infile,0); break;
8224	bpr	3440	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3441	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	3442	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3443	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	3444	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3445	add_to_buffer(tmp_buffer);
		3446	break;
		3447	default:break;
		3448	}
		3449	}
7614	schaersvoo	3450	break;
		3451	case XYLOGSCALE:
7735	schaersvoo	3452	/*
		3453	@ xylogscale majorcolor,minorcolor
		3454	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3455	@ the linewidth is set using command 'linewidth int'
		3456	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3457	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
8224	bpr	3458	@ 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	3459	@ note: the complete canvas will be used for the 'log paper'
		3460	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3461	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
8224	bpr	3462	@ 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	3463	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3464	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3465	*/
		3466	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3467	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3468	for(i=0;i<2;i++){
		3469	switch(i){
		3470	case 0: stroke_color = get_color(infile,0); break;
8224	bpr	3471	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3472	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	3473	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3474	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	3475	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3476	add_to_buffer(tmp_buffer);
		3477	break;
		3478	default:break;
		3479	}
		3480	}
		3481	break;
7614	schaersvoo	3482	default:sync_input(infile);
		3483	break;
		3484	}
8224	bpr	3485	}
7614	schaersvoo	3486	/* we are done parsing script file */
7983	schaersvoo	3487	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3488	if( found_size_command == 1 ){
		3489	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3490	}
		3491	else
		3492	{
		3493	if( found_size_command != 3 ){
8222	schaersvoo	3494	canvas_error("Please specify both xrange and yrange ...");
7983	schaersvoo	3495	}
		3496	}
8257	schaersvoo	3497
8222	schaersvoo	3498	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable/clickable shapes / objects ! */
7614	schaersvoo	3499	add_javascript_functions(js_function,canvas_root_id);
		3500	/* add read_canvas() etc functions if needed */
8257	schaersvoo	3501	if( reply_format > 0 ){ add_read_canvas(canvas_root_id,reply_format,reply_precision);}
7797	schaersvoo	3502	if( use_pan_and_zoom == TRUE ){
		3503	/* in case of zooming ... */
7729	schaersvoo	3504	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3505	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3506	var ymin_start=ymin;var ymax_start=xmax;\
		3507	var zoom_x_increment=0;var zoom_y_increment=0;\
		3508	var pan_x_increment=0;var pan_y_increment=0;\
		3509	if(use_ylogscale == 0 ){\
7956	schaersvoo	3510	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	3511	}else{\
		3512	zoom_x_increment = (xmax - xmin)/20;\
		3513	pan_x_increment = (xmax - xmin)/20;\
		3514	};\
7653	schaersvoo	3515	function start_canvas%d(type){\
		3516	switch(type){\
7729	schaersvoo	3517	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3518	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	3519	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3520	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3521	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3522	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3523	case 6:location.reload();break;\
		3524	default:break;\
		3525	};\
		3526	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3527	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3528	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3529	%s\
		3530	};\
7797	schaersvoo	3531	start_canvas%d(333);\
7614	schaersvoo	3532	};\n\
		3533	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3534	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3535	}
		3536	else
		3537	{
		3538	/* no zoom, just add buffer */
		3539	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3540	%s\
		3541	};\n\
		3542	<!-- end wims_canvas_function -->\n\
		3543	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3544	}
7614	schaersvoo	3545	/* done writing the javascript include file */
		3546	fclose(js_include_file);
		3547
		3548	}
		3549
		3550	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3551	if(use_tooltip == TRUE){
		3552	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3553	}
		3554	exit(EXIT_SUCCESS);
		3555	}
		3556	/* end main() */
		3557
		3558	/******************************************************************************
		3559	**
		3560	** sync_input
		3561	**
		3562	** synchronises input line - reads to end of line, leaving file pointer
		3563	** at first character of next line.
		3564	**
		3565	** Used by:
		3566	** main program - error handling.
		3567	**
		3568	******************************************************************************/
		3569	void sync_input(FILE *infile)
		3570	{
		3571	int c = 0;
		3572
7658	schaersvoo	3573	if( c == '\n' \|\| c == ';' ) return;
		3574	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3575	if( c == EOF ) finished = 1;
7658	schaersvoo	3576	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3577	return;
		3578	}
		3579
		3580	/******************************************************************************/
		3581
		3582	char str_replace(const char str, const char old, const char new){
		3583	/* http://creativeandcritical.net/str-replace-c/ */
		3584	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3585	char ret, r;
		3586	const char p, q;
		3587	size_t oldlen = strlen(old);
		3588	size_t count = 0;
		3589	size_t retlen = 0;
		3590	size_t newlen = strlen(new);
		3591	if (oldlen != newlen){
		3592	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3593	count++;
		3594	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3595	}
8224	bpr	3596	}
7614	schaersvoo	3597	else
		3598	{
		3599	retlen = strlen(str);
		3600	}
8224	bpr	3601
7614	schaersvoo	3602	if ((ret = malloc(retlen + 1)) == NULL){
		3603	ret = NULL;
		3604	canvas_error("string argument is NULL");
		3605	}
		3606	else
		3607	{
		3608	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3609	size_t l = q - p;
		3610	memcpy(r, p, l);
		3611	r += l;
		3612	memcpy(r, new, newlen);
		3613	r += newlen;
		3614	}
		3615	strcpy(r, p);
		3616	}
		3617	return ret;
		3618	}
		3619
		3620	/******************************************************************************/
7848	bpr	3621
7614	schaersvoo	3622	char get_color(FILE infile , int last){
		3623	int c,i = 0,is_hex = 0;
		3624	char temp[MAX_COLOR_STRING], *string;
8305	schaersvoo	3625	const char *not_allowed = "0123456789";
7748	schaersvoo	3626	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3627	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3628	if( c == '#' ){
		3629	is_hex = 1;
		3630	}
		3631	if( c != ' '){
8304	schaersvoo	3632	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	3633	temp[i]=tolower(c);
		3634	i++;
		3635	}
		3636	}
8224	bpr	3637	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3638	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3639	if( c == EOF ){finished = 1;}
		3640	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3641	temp[i]='\0';
		3642	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3643	if( is_hex == 1 ){
		3644	char red[3], green[3], blue[3];
		3645	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3646	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3647	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3648	int r = (int) strtol(red, NULL, 16);
		3649	int g = (int) strtol(green, NULL, 16);
		3650	int b = (int) strtol(blue, NULL, 16);
		3651	string = (char *)my_newmem(12);
		3652	snprintf(string,11,"%d,%d,%d",r,g,b);
		3653	return string;
		3654	}
		3655	else
		3656	{
		3657	string = (char *)my_newmem(sizeof(temp));
		3658	snprintf(string,sizeof(temp),"%s",temp);
8304	schaersvoo	3659	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
7614	schaersvoo	3660	if( strcmp( colors[i].name , string ) == 0 ){
		3661	return colors[i].rgb;
		3662	}
		3663	}
8304	schaersvoo	3664	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
7614	schaersvoo	3665	}
8304	schaersvoo	3666	return "0,0,255";
7614	schaersvoo	3667	}
		3668
		3669	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3670	int c,i=0;
		3671	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3672	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3673	temp[i]=c;
		3674	i++;
		3675	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3676	}
8224	bpr	3677	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3678	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3679	if( c == EOF ) {
		3680	finished = 1;
		3681	if( last != 1 ){ canvas_error("expected more arguments");}
		3682	}
		3683	temp[i]='\0';
		3684	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3685	string=(char *)my_newmem(strlen(temp));
		3686	snprintf(string,sizeof(temp),"%s",temp);
		3687	return string;
		3688	}
		3689
		3690	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3691	int c,i=0;
		3692	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3693	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3694	temp[i]=c;
		3695	i++;
		3696	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3697	}
8224	bpr	3698	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3699	if( c == '\n') { 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';
8322	schaersvoo	3703	/*
		3704	17.10.2014 removed (question Perrin)
		3705	may cause some unwanted effects...
7614	schaersvoo	3706	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
8322	schaersvoo	3707	*/
7614	schaersvoo	3708	string=(char *)my_newmem(sizeof(temp));
		3709	snprintf(string,sizeof(temp),"%s",temp);
		3710	done = TRUE;
		3711	return string;
		3712	}
		3713
		3714	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3715	int c,i=0,found_calc = 0;
		3716	double y;
		3717	char tmp[MAX_INT];
8304	schaersvoo	3718	/* these things are 'allowed functions' : ,^,+,-,/,(,),e,arc,cos,tan,pi,log,ln /
8312	schaersvoo	3719	const char allowed = "earcostanpilog+-/^()";/* assuming these are allowed stuff in a 'number'*/
8305	schaersvoo	3720	const char not_allowed = "#bdfghjkmquvwxyz";/ avoid segmentation faults in a "atof()" and "wims eval" */
7658	schaersvoo	3721	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3722	if( c != ' ' ){
8224	bpr	3723	if( i == 0 && c == '+' ){
7614	schaersvoo	3724	continue;
8224	bpr	3725	}
7614	schaersvoo	3726	else
		3727	{
8304	schaersvoo	3728	c = tolower(c);
		3729	if( strchr(not_allowed,c) != 0 ){canvas_error("found a character not associated with a number...");}
		3730	if( strchr(allowed,c) != 0 ){found_calc = 1;}/* hand the string over to wims eval() */
7614	schaersvoo	3731	tmp[i] = c;
		3732	i++;
		3733	}
		3734	}
		3735	if( i > MAX_INT - 1){canvas_error("number too large");}
		3736	}
8224	bpr	3737	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3738	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3739	if( c == EOF ){done = TRUE ; finished = 1;}
		3740	tmp[i]='\0';
		3741	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
8304	schaersvoo	3742	if( found_calc == 1 ){ /* use wims eval to calculate 2pi/3 /
7848	bpr	3743	void *f = eval_create(tmp);
7614	schaersvoo	3744	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3745	y = eval_x(f, 1);
7614	schaersvoo	3746	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3747	eval_destroy(f);
7614	schaersvoo	3748	}
		3749	else
		3750	{
		3751	y = atof(tmp);
		3752	}
		3753	return y;
		3754	}
8304	schaersvoo	3755
		3756
7614	schaersvoo	3757	void canvas_error(char *msg){
7748	schaersvoo	3758	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3759	finished = 1;
		3760	exit(EXIT_SUCCESS);
		3761	}
		3762
		3763
		3764	/* convert x/y coordinates to pixel */
		3765	int x2px(double x){
		3766	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3767	}
		3768
		3769	int y2px(double y){
		3770	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3771	}
		3772
		3773	double px2x(int x){
		3774	return (x*(xmax - xmin)/xsize + xmin);
		3775	}
		3776	double px2y(int y){
		3777	return (y*(ymax - ymin)/ysize + ymin);
		3778	}
		3779
		3780	void add_to_buffer(char *tmp){
		3781	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3782	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3783	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3784	if( space_left > strlen(tmp)){
		3785	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3786	}
		3787	else
		3788	{
		3789	canvas_error("buffer is too big\n");
		3790	}
		3791	tmp = NULL;free(tmp);
		3792	return;
		3793	}
		3794
		3795	void reset(){
		3796	if(use_filled == TRUE){use_filled = FALSE;}
		3797	if(use_dashed == TRUE){use_dashed = FALSE;}
		3798	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3799	onclick = 0;
7614	schaersvoo	3800	}
		3801
		3802
		3803
		3804	/* What reply format in read_canvas();
		3805
		3806	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3807	1 = x1,x2,x3,x4....x_n
		3808	y1,y2,y3,y4....y_n
		3809
		3810	x/y in pixels
		3811
		3812	2 = x1,x2,x3,x4....x_n
		3813	y1,y2,y3,y4....y_n
		3814	x/y in xrange / yrange coordinate system
		3815
		3816	3 = x1,x2,x3,x4....x_n
		3817	y1,y2,y3,y4....y_n
		3818	r1,r2,r3,r4....r_n
		3819
8224	bpr	3820	x/y in pixels
7614	schaersvoo	3821	r in pixels
		3822
		3823	4 = x1,x2,x3,x4....x_n
		3824	y1,y2,y3,y4....y_n
		3825	r1,r2,r3,r4....r_n
		3826
		3827	x/y in xrange / yrange coordinate system
		3828	r in pixels
		3829
		3830	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3831	Ay1,Ay2,Ay3,Ay4....Ay_n
		3832	Bx1,Bx2,Bx3,Bx4....Bx_n
		3833	By1,By2,By3,By4....By_n
		3834	Cx1,Cx2,Cx3,Cx4....Cx_n
		3835	Cy1,Cy2,Cy3,Cy4....Cy_n
		3836	....
		3837	Zx1,Zx2,Zx3,Zx4....Zx_n
		3838	Zy1,Zy2,Zy3,Zy4....Zy_n
8224	bpr	3839
7614	schaersvoo	3840	x/y in pixels
		3841
		3842	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3843	Ay1,Ay2,Ay3,Ay4....Ay_n
		3844	Bx1,Bx2,Bx3,Bx4....Bx_n
		3845	By1,By2,By3,By4....By_n
		3846	Cx1,Cx2,Cx3,Cx4....Cx_n
		3847	Cy1,Cy2,Cy3,Cy4....Cy_n
		3848	....
		3849	Zx1,Zx2,Zx3,Zx4....Zx_n
		3850	Zy1,Zy2,Zy3,Zy4....Zy_n
		3851
		3852	x/y in xrange / yrange coordinate system
8224	bpr	3853
7614	schaersvoo	3854	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3855
7614	schaersvoo	3856	x/y in pixels
		3857
		3858	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
8224	bpr	3859
7614	schaersvoo	3860	x/y in xrange / yrange coordinate system
		3861
8224	bpr	3862	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3863
		3864	x/y in pixels
		3865
8224	bpr	3866	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3867
		3868	x/y in xrange / yrange coordinate system
		3869
		3870	11 = Ax1,Ay1,Ax2,Ay2
		3871	Bx1,By1,Bx2,By2
		3872	Cx1,Cy1,Cx2,Cy2
		3873	Dx1,Dy1,Dx2,Dy2
		3874	......
		3875	Zx1,Zy1,Zx2,Zy2
8224	bpr	3876
7614	schaersvoo	3877	x/y in xrange / yrange coordinate system
		3878
		3879	12 = Ax1,Ay1,Ax2,Ay2
		3880	Bx1,By1,Bx2,By2
		3881	Cx1,Cy1,Cx2,Cy2
		3882	Dx1,Dy1,Dx2,Dy2
		3883	......
		3884	Zx1,Zy1,Zx2,Zy2
8224	bpr	3885
7614	schaersvoo	3886	x/y in pixels
		3887
		3888	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3889
		3890	x/y in xrange / yrange coordinate system
		3891	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3892	x/y in pixels
		3893	15 = reply from inputfields,textareas
		3894	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3895	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3896
		3897	16 = read mathml inputfields only
		3898
		3899	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3900	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3901
		3902	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3903	19 = return clicked object number (analogue to shape-library onclick)
		3904	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3905	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3906	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3907	x/y in xrange / yrange coordinate system
8224	bpr	3908	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3909	24 = read all inputfield values: even those set 'readonly'
8224	bpr	3910	25 = return all userdrawn arcs in degrees:
		3911	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3912	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
8322	schaersvoo	3913	28 = x1,y1,r1,x2,y2,r2...x_n,y_n,r_n
		3914	x/y/r in xrange / yrange coordinate system: may be used to reinput into command
		3915	'circles color,x1,y1,r1,x2,y2,r2...x_n,y_n,r_n'
		3916	will not return anything else (e.g. no inputfields , text etc)
7614	schaersvoo	3917	*/
		3918
		3919
8257	schaersvoo	3920	void add_read_canvas(int canvas_root_id,int type_reply,int reply_precision){
7614	schaersvoo	3921	/* just 1 reply type allowed */
8074	schaersvoo	3922	fprintf(js_include_file,"\
		3923	\n<!-- begin set_reply_precision() -->\n\
		3924	function set_reply_precision(){\
		3925	var len = userdraw_x.length;\
		3926	var prec = %d;\
		3927	for(var p = 0 ; p < len ; p++ ){\
		3928	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3929	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3930	};\
		3931	len = userdraw_radius.length;\
		3932	if( len > 0 ){\
		3933	for(var p = 0 ; p < len ; p++ ){\
		3934	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3935	};\
		3936	};\
		3937	};",reply_precision);
7963	schaersvoo	3938
7614	schaersvoo	3939	switch(type_reply){
8224	bpr	3940	/*
7614	schaersvoo	3941	answers may have:
		3942	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3943	*/
		3944	case 1: fprintf(js_include_file,"\
8257	schaersvoo	3945	\n<!-- begin function 1 read_canvas%d() -->\n\
		3946	read_canvas%d = function(){\
7614	schaersvoo	3947	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3948	set_reply_precision();\
7614	schaersvoo	3949	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3950	var p = 0;var input_reply = new Array();\
		3951	if( document.getElementById(\"canvas_input0\")){\
		3952	var t = 0;\
		3953	while(document.getElementById(\"canvas_input\"+t)){\
		3954	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3955	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3956	p++;\
		3957	};\
		3958	t++;\
		3959	};\
		3960	};\
		3961	if( typeof userdraw_text != 'undefined' ){\
		3962	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3963	}\
		3964	else\
		3965	{\
		3966	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3967	}\
		3968	}\
		3969	else\
		3970	{\
		3971	if( typeof userdraw_text != 'undefined' ){\
		3972	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3973	}\
		3974	else\
		3975	{\
		3976	return userdraw_x+\"\\n\"+userdraw_y;\
		3977	}\
		3978	};\
8108	schaersvoo	3979	};\n\
8257	schaersvoo	3980	<!-- end function 1 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	3981	break;
		3982	case 2: fprintf(js_include_file,"\
8257	schaersvoo	3983	\n<!-- begin function 2 read_canvas%d() -->\n\
		3984	read_canvas%d = function(){\
7614	schaersvoo	3985	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3986	set_reply_precision();\
7614	schaersvoo	3987	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	3988	var prec = %d;\
7614	schaersvoo	3989	while(userdraw_x[p]){\
8074	schaersvoo	3990	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3991	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3992	p++;\
		3993	};\
		3994	if(p == 0){alert(\"nothing drawn...\");return;};\
		3995	if( document.getElementById(\"canvas_input0\")){\
		3996	var p = 0;var input_reply = new Array();\
		3997	if( document.getElementById(\"canvas_input0\")){\
		3998	var t = 0;\
		3999	while(document.getElementById(\"canvas_input\"+t)){\
		4000	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4001	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4002	p++;\
		4003	};\
		4004	t++;\
		4005	};\
		4006	};\
		4007	if( typeof userdraw_text != 'undefined' ){\
		4008	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4009	}\
		4010	else\
		4011	{\
		4012	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4013	}\
		4014	}\
		4015	else\
		4016	{\
		4017	if( typeof userdraw_text != 'undefined' ){\
		4018	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4019	}\
		4020	else\
		4021	{\
		4022	return reply_x+\"\\n\"+reply_y;\
		4023	};\
		4024	};\
8108	schaersvoo	4025	};\n\
8257	schaersvoo	4026	<!-- end function 2 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4027	break;
		4028	case 3: fprintf(js_include_file,"\
8257	schaersvoo	4029	\n<!-- begin function 3 read_canvas%d() -->\n\
		4030	read_canvas%d = function(){\
7614	schaersvoo	4031	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	4032	set_reply_precision();\
7614	schaersvoo	4033	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4034	var p = 0;var input_reply = new Array();\
		4035	if( document.getElementById(\"canvas_input0\")){\
		4036	var t = 0;\
		4037	while(document.getElementById(\"canvas_input\"+t)){\
		4038	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4039	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4040	p++;\
		4041	};\
		4042	t++;\
		4043	};\
		4044	};\
		4045	if( typeof userdraw_text != 'undefined' ){\
		4046	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4047	}\
		4048	else\
		4049	{\
		4050	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4051	}\
		4052	}\
		4053	else\
		4054	{\
		4055	if( typeof userdraw_text != 'undefined' ){\
		4056	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		4057	}\
		4058	else\
		4059	{\
		4060	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		4061	}\
		4062	}\
8108	schaersvoo	4063	};\n\
8257	schaersvoo	4064	<!-- end function 3 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4065	break;
		4066	case 4: fprintf(js_include_file,"\
8257	schaersvoo	4067	\n<!-- begin function 4 read_canvas%d() -->\n\
		4068	read_canvas%d = function(){\
8074	schaersvoo	4069	var prec = %d;\
7614	schaersvoo	4070	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		4071	while(userdraw_x[p]){\
8074	schaersvoo	4072	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4073	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	4074	p++;\
		4075	};\
		4076	if(p == 0){alert(\"nothing drawn...\");return;};\
		4077	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4078	var p = 0;var input_reply = new Array();\
		4079	if( document.getElementById(\"canvas_input0\")){\
		4080	var t = 0;\
		4081	while(document.getElementById(\"canvas_input\"+t)){\
		4082	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4083	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4084	p++;\
		4085	};\
		4086	t++;\
		4087	};\
		4088	};\
		4089	if( typeof userdraw_text != 'undefined' ){\
		4090	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4091	}\
		4092	else\
		4093	{\
		4094	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		4095	}\
		4096	}\
		4097	else\
		4098	{\
		4099	if( typeof userdraw_text != 'undefined' ){\
		4100	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		4101	}\
		4102	else\
		4103	{\
		4104	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		4105	}\
		4106	};\
8108	schaersvoo	4107	};\n\
8257	schaersvoo	4108	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4109	break;
8224	bpr	4110	/*
		4111	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4112	used for userdraw multiple paths
7614	schaersvoo	4113	*/
		4114	case 5: fprintf(js_include_file,"\
8257	schaersvoo	4115	\n<!-- begin function 5 read_canvas%d() -->\n\
		4116	read_canvas%d = function(){\
8074	schaersvoo	4117	set_reply_precision();\
7614	schaersvoo	4118	var p = 0;\
		4119	var reply = \"\";\
		4120	for(p = 0; p < userdraw_x.length;p++){\
		4121	if(userdraw_x[p] != null ){\
		4122	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		4123	};\
		4124	};\
		4125	if(p == 0){alert(\"nothing drawn...\");return;};\
		4126	userdraw_x = [];userdraw_y = [];\
		4127	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4128	var p = 0;var input_reply = new Array();\
		4129	if( document.getElementById(\"canvas_input0\")){\
		4130	var t = 0;\
		4131	while(document.getElementById(\"canvas_input\"+t)){\
		4132	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4133	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4134	p++;\
		4135	};\
		4136	t++;\
		4137	};\
		4138	};\
		4139	if( typeof userdraw_text != 'undefined' ){\
		4140	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4141	}\
		4142	else\
		4143	{\
		4144	return reply +\"\\n\"+input_reply;\
		4145	}\
		4146	}\
		4147	else\
		4148	{\
		4149	if( typeof userdraw_text != 'undefined' ){\
		4150	return reply+\"\\n\"+userdraw_text;\
		4151	}\
		4152	else\
		4153	{\
		4154	return reply;\
		4155	}\
		4156	};\
8108	schaersvoo	4157	};\n\
8257	schaersvoo	4158	<!-- end function 5 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4159	break;
8224	bpr	4160	/*
		4161	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		4162	used for userdraw multiple paths
7614	schaersvoo	4163	*/
		4164	case 6: fprintf(js_include_file,"\
8257	schaersvoo	4165	\n<!-- begin function 6 read_canvas%d() -->\n\
		4166	read_canvas%d = function(){\
7614	schaersvoo	4167	var p = 0;\
		4168	var reply = \"\";\
		4169	var tmp_x = new Array();\
		4170	var tmp_y = new Array();\
8074	schaersvoo	4171	var prec = %d;\
7614	schaersvoo	4172	for(p = 0 ; p < userdraw_x.length; p++){\
		4173	tmp_x = userdraw_x[p];\
		4174	tmp_y = userdraw_y[p];\
		4175	if(tmp_x != null){\
		4176	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	4177	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		4178	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	4179	};\
		4180	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		4181	};\
		4182	};\
		4183	if(p == 0){alert(\"nothing drawn...\");return;};\
		4184	userdraw_x = [];userdraw_y = [];\
		4185	if( document.getElementById(\"canvas_input0\") ){\
		4186	var p = 0;var input_reply = new Array();\
		4187	if( document.getElementById(\"canvas_input0\")){\
		4188	var t = 0;\
		4189	while(document.getElementById(\"canvas_input\"+t)){\
		4190	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4191	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4192	p++;\
		4193	};\
		4194	t++;\
		4195	};\
		4196	};\
		4197	if( typeof userdraw_text != 'undefined' ){\
		4198	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4199	}\
		4200	else\
		4201	{\
		4202	return reply +\"\\n\"+input_reply;\
		4203	}\
		4204	}\
		4205	else\
		4206	{\
		4207	if( typeof userdraw_text != 'undefined' ){\
		4208	return reply +\"\\n\"+userdraw_text;\
		4209	}\
		4210	else\
		4211	{\
		4212	return reply;\
		4213	}\
		4214	};\
8108	schaersvoo	4215	};\n\
8257	schaersvoo	4216	<!-- end function 6 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4217	break;
		4218	case 7: fprintf(js_include_file,"\
8257	schaersvoo	4219	\n<!-- begin function 7 read_canvas%d() -->\n\
		4220	read_canvas%d = function(){\
8074	schaersvoo	4221	set_reply_precision();\
7614	schaersvoo	4222	var reply = new Array();\
		4223	var p = 0;\
		4224	while(userdraw_x[p]){\
		4225	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		4226	p++;\
		4227	};\
		4228	if(p == 0){alert(\"nothing drawn...\");return;};\
		4229	if( document.getElementById(\"canvas_input0\") ){\
		4230	var p = 0;var input_reply = new Array();\
		4231	if( document.getElementById(\"canvas_input0\")){\
		4232	var t = 0;\
		4233	while(document.getElementById(\"canvas_input\"+t)){\
		4234	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4235	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4236	p++;\
		4237	};\
		4238	t++;\
		4239	};\
		4240	};\
		4241	if( typeof userdraw_text != 'undefined' ){\
		4242	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4243	}\
		4244	else\
		4245	{\
		4246	return reply+\"\\n\"+input_reply;\
		4247	}\
7862	schaersvoo	4248	}\
7614	schaersvoo	4249	else\
		4250	{\
		4251	if( typeof userdraw_text != 'undefined' ){\
		4252	return reply+\"\\n\"+userdraw_text;\
		4253	}\
		4254	else\
		4255	{\
		4256	return reply;\
		4257	}\
		4258	};\
8108	schaersvoo	4259	};\n\
8257	schaersvoo	4260	<!-- end function 7 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4261	break;
		4262	case 8: fprintf(js_include_file,"\
8257	schaersvoo	4263	\n<!-- begin function 8 read_canvas%d() -->\n\
		4264	read_canvas%d = function(){\
7614	schaersvoo	4265	var reply = new Array();\
		4266	var p = 0;\
8074	schaersvoo	4267	var prec = %d;\
7614	schaersvoo	4268	while(userdraw_x[p]){\
8074	schaersvoo	4269	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	4270	p++;\
		4271	};\
		4272	if(p == 0){alert(\"nothing drawn...\");return;};\
		4273	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4274	var p = 0;var input_reply = new Array();\
		4275	if( document.getElementById(\"canvas_input0\")){\
		4276	var t = 0;\
		4277	while(document.getElementById(\"canvas_input\"+t)){\
		4278	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4279	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4280	p++;\
		4281	};\
		4282	t++;\
		4283	};\
		4284	};\
		4285	if( typeof userdraw_text != 'undefined' ){\
		4286	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4287	}\
		4288	else\
		4289	{\
		4290	return reply +\"\\n\"+input_reply;\
		4291	}\
		4292	}\
		4293	else\
		4294	{\
		4295	if( typeof userdraw_text != 'undefined' ){\
		4296	return reply +\"\\n\"+userdraw_text;\
		4297	}\
		4298	else\
		4299	{\
		4300	return reply;\
		4301	}\
		4302	};\
8108	schaersvoo	4303	};\n\
8257	schaersvoo	4304	<!-- end function 8 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4305	break;
		4306	case 9: fprintf(js_include_file,"\
8257	schaersvoo	4307	\n<!-- begin function 9 read_canvas%d() -->\n\
		4308	read_canvas%d = function(){\
8074	schaersvoo	4309	set_reply_precision();\
7614	schaersvoo	4310	var reply = new Array();\
		4311	var p = 0;\
		4312	while(userdraw_x[p]){\
		4313	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		4314	p++;\
		4315	};\
		4316	if(p == 0){alert(\"nothing drawn...\");return;};\
		4317	if( document.getElementById(\"canvas_input0\") ){\
		4318	var p = 0;var input_reply = new Array();\
		4319	if( document.getElementById(\"canvas_input0\")){\
		4320	var t = 0;\
		4321	while(document.getElementById(\"canvas_input\"+t)){\
		4322	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4323	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4324	p++;\
		4325	};\
		4326	t++;\
		4327	};\
		4328	};\
		4329	if( typeof userdraw_text != 'undefined' ){\
		4330	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4331	}\
		4332	else\
		4333	{\
		4334	return reply +\"\\n\"+input_reply;\
		4335	}\
		4336	}\
		4337	else\
		4338	{\
		4339	if( typeof userdraw_text != 'undefined' ){\
		4340	return reply +\"\\n\"+userdraw_text;\
		4341	}\
		4342	else\
		4343	{\
		4344	return reply;\
		4345	}\
		4346	};\
8108	schaersvoo	4347	};\n\
8257	schaersvoo	4348	<!-- end function 9 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4349	break;
		4350	case 10: fprintf(js_include_file,"\
8257	schaersvoo	4351	\n<!-- begin function 10 read_canvas%d() -->\n\
		4352	read_canvas%d = function(){\
7614	schaersvoo	4353	var reply = new Array();\
		4354	var p = 0;\
8074	schaersvoo	4355	var prec = %d;\
7614	schaersvoo	4356	while(userdraw_x[p]){\
8074	schaersvoo	4357	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	4358	p++;\
		4359	};\
		4360	if(p == 0){alert(\"nothing drawn...\");return;};\
		4361	if( document.getElementById(\"canvas_input0\") ){\
		4362	var p = 0;var input_reply = new Array();\
		4363	if( document.getElementById(\"canvas_input0\")){\
		4364	var t = 0;\
		4365	while(document.getElementById(\"canvas_input\"+t)){\
		4366	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4367	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4368	p++;\
		4369	};\
		4370	t++;\
		4371	};\
		4372	};\
		4373	if( typeof userdraw_text != 'undefined' ){\
		4374	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4375	}\
		4376	else\
		4377	{\
		4378	return reply +\"\\n\"+input_reply;\
		4379	}\
		4380	}\
		4381	else\
		4382	{\
		4383	if( typeof userdraw_text != 'undefined' ){\
		4384	return reply +\"\\n\"+userdraw_text;\
		4385	}\
		4386	else\
		4387	{\
		4388	return reply;\
		4389	}\
		4390	};\
8108	schaersvoo	4391	};\n\
8257	schaersvoo	4392	<!-- end function 10 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4393	break;
		4394	case 11: fprintf(js_include_file,"\
8257	schaersvoo	4395	\n<!-- begin function 11 read_canvas%d() -->\n\
		4396	read_canvas%d = function(){\
7614	schaersvoo	4397	var reply = \"\";\
		4398	var p = 0;\
8074	schaersvoo	4399	var prec = %d;\
7614	schaersvoo	4400	while(userdraw_x[p]){\
8074	schaersvoo	4401	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	4402	p = p+2;\
		4403	};\
		4404	if(p == 0){alert(\"nothing drawn...\");return;};\
		4405	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4406	var p = 0;var input_reply = new Array();\
		4407	if( document.getElementById(\"canvas_input0\")){\
		4408	var t = 0;\
		4409	while(document.getElementById(\"canvas_input\"+t)){\
		4410	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4411	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4412	p++;\
		4413	};\
		4414	t++;\
		4415	};\
		4416	};\
		4417	if( typeof userdraw_text != 'undefined' ){\
		4418	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4419	}\
		4420	else\
		4421	{\
		4422	return reply +\"\\n\"+input_reply;\
		4423	}\
		4424	}\
		4425	else\
		4426	{\
		4427	if( typeof userdraw_text != 'undefined' ){\
		4428	return reply +\"\\n\"+userdraw_text;\
		4429	}\
		4430	else\
		4431	{\
		4432	return reply;\
		4433	}\
		4434	};\
8108	schaersvoo	4435	};\n\
8257	schaersvoo	4436	<!-- end function 11 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4437	break;
		4438	case 12: fprintf(js_include_file,"\
8257	schaersvoo	4439	\n<!-- begin function 12 read_canvas%d() -->\n\
		4440	read_canvas%d = function(){\
8074	schaersvoo	4441	set_reply_precision();\
7614	schaersvoo	4442	var reply = \"\";\
		4443	var p = 0;\
		4444	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4445	if(userdraw_x[p] != null){\
		4446	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4447	};\
		4448	};\
		4449	if(p == 0){alert(\"nothing drawn...\");return;};\
		4450	if( document.getElementById(\"canvas_input0\") ){\
		4451	var p = 0;var input_reply = new Array();\
		4452	if( document.getElementById(\"canvas_input0\")){\
		4453	var t = 0;\
		4454	while(document.getElementById(\"canvas_input\"+t)){\
		4455	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4456	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4457	p++;\
		4458	};\
		4459	t++;\
		4460	};\
		4461	};\
		4462	if( typeof userdraw_text != 'undefined' ){\
		4463	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4464	}\
		4465	else\
		4466	{\
		4467	return reply +\"\\n\"+input_reply;\
		4468	}\
		4469	}\
		4470	else\
		4471	{\
		4472	if( typeof userdraw_text != 'undefined' ){\
		4473	return reply +\"\\n\"+userdraw_text\
		4474	}\
		4475	else\
		4476	{\
		4477	return reply;\
		4478	}\
		4479	};\
8108	schaersvoo	4480	};\n\
8257	schaersvoo	4481	<!-- end function 12 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4482	break;
		4483	case 13: fprintf(js_include_file,"\
8257	schaersvoo	4484	\n<!-- begin function 13 read_canvas%d() -->\n\
		4485	read_canvas%d = function(){\
7614	schaersvoo	4486	var reply = new Array();\
		4487	var p = 0;var i = 0;\
8074	schaersvoo	4488	var prec = %d;\
7614	schaersvoo	4489	while(userdraw_x[p]){\
8074	schaersvoo	4490	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	4491	p = p+2;i++;\
		4492	};\
		4493	if(p == 0){alert(\"nothing drawn...\");return;};\
		4494	if( document.getElementById(\"canvas_input0\") ){\
		4495	var p = 0;var input_reply = new Array();\
		4496	if( document.getElementById(\"canvas_input0\")){\
		4497	var t = 0;\
		4498	while(document.getElementById(\"canvas_input\"+t)){\
		4499	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4500	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4501	p++;\
		4502	};\
		4503	t++;\
		4504	};\
		4505	};\
		4506	if( typeof userdraw_text != 'undefined' ){\
		4507	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4508	}\
		4509	else\
		4510	{\
		4511	return reply +\"\\n\"+input_reply;\
		4512	}\
		4513	}\
		4514	else\
		4515	{\
		4516	if( typeof userdraw_text != 'undefined' ){\
		4517	return reply +\"\\n\"+userdraw_text\
		4518	}\
		4519	else\
		4520	{\
		4521	return reply;\
		4522	}\
		4523	};\
8108	schaersvoo	4524	};\n\
8257	schaersvoo	4525	<!-- end function 13 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4526	break;
		4527	case 14: fprintf(js_include_file,"\
8257	schaersvoo	4528	\n<!-- begin function 14 read_canvas%d() -->\n\
		4529	read_canvas%d = function(){\
8074	schaersvoo	4530	set_reply_precision();\
7614	schaersvoo	4531	var reply = new Array();\
		4532	var p = 0;var i = 0;\
		4533	while(userdraw_x[p]){\
		4534	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4535	p = p+2;i++;\
		4536	};\
		4537	if(p == 0){alert(\"nothing drawn...\");return;};\
		4538	if( document.getElementById(\"canvas_input0\") ){\
		4539	var p = 0;var input_reply = new Array();\
		4540	if( document.getElementById(\"canvas_input0\")){\
		4541	var t = 0;\
		4542	while(document.getElementById(\"canvas_input\"+t)){\
		4543	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4544	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4545	p++;\
		4546	};\
		4547	t++;\
		4548	};\
		4549	};\
		4550	if( typeof userdraw_text != 'undefined' ){\
		4551	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4552	}\
		4553	else\
		4554	{\
		4555	return reply +\"\\n\"+input_reply;\
		4556	}\
		4557	}\
		4558	else\
		4559	{\
		4560	if( typeof userdraw_text != 'undefined' ){\
		4561	return reply +\"\\n\"+userdraw_text;\
		4562	}\
		4563	else\
		4564	{\
		4565	return reply;\
		4566	}\
		4567	};\
8108	schaersvoo	4568	};\n\
8257	schaersvoo	4569	<!-- end function 14 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4570	break;
		4571	case 15: fprintf(js_include_file,"\
8257	schaersvoo	4572	\n<!-- begin function 15 read_canvas%d() -->\n\
		4573	read_canvas%d = function(){\
7614	schaersvoo	4574	var input_reply = new Array();\
		4575	var p = 0;\
		4576	if( document.getElementById(\"canvas_input0\")){\
		4577	var t = 0;\
		4578	while(document.getElementById(\"canvas_input\"+t)){\
		4579	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4580	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4581	p++;\
		4582	};\
		4583	t++;\
		4584	};\
		4585	};\
		4586	if( typeof userdraw_text != 'undefined' ){\
		4587	return input_reply +\"\\n\"+userdraw_text;\
		4588	}\
		4589	else\
		4590	{\
		4591	return input_reply;\
		4592	};\
8108	schaersvoo	4593	};\n\
8257	schaersvoo	4594	<!-- end function 15 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4595	break;
		4596	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4597	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4598	function read_mathml(){\
		4599	var reply = new Array();\
		4600	var p = 0;\
		4601	if( document.getElementById(\"mathml0\")){\
		4602	while(document.getElementById(\"mathml\"+p)){\
		4603	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4604	p++;\
		4605	};\
		4606	};\
		4607	return reply;\
		4608	};\
		4609	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4610	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4611	break;
		4612	case 17: fprintf(js_include_file,"\
8257	schaersvoo	4613	\n<!-- begin function 17 read_canvas%d() -->\n\
		4614	read_canvas%d = function(){\
7614	schaersvoo	4615	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4616	return userdraw_text;\
8108	schaersvoo	4617	};\n\
8257	schaersvoo	4618	<!-- end function 17 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4619	break;
		4620	case 18: fprintf(js_include_file,"\
8257	schaersvoo	4621	\n<!-- begin function 18 read_canvas%d() -->\n\
		4622	read_canvas%d = function(){\
7614	schaersvoo	4623	var p = 0;\
		4624	var reply = new Array();\
		4625	var name;\
		4626	var t = true;\
8000	schaersvoo	4627	var h;var m;var s;\
7614	schaersvoo	4628	while(t){\
8000	schaersvoo	4629	try{\
		4630	name = eval('clocks'+p);\
		4631	h = name.H;m = name.M;s = name.S;\
		4632	if(s < 0){s = 60 + s;m = m - 1;};\
		4633	if(m < 0){m = 60 + m;h = h - 1;};\
		4634	if(h < 0){h = 12 + h;};\
		4635	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4636	reply[p] = h+\":\"+m+\":\"+s;\
		4637	p++;\
		4638	}catch(e){t=false;};\
7614	schaersvoo	4639	};\
8000	schaersvoo	4640	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4641	return reply;\
8108	schaersvoo	4642	};\n\
8257	schaersvoo	4643	<!-- end function 18 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4644	break;
		4645	case 19: fprintf(js_include_file,"\
8257	schaersvoo	4646	\n<!-- begin function 19 read_canvas%d() -->\n\
		4647	read_canvas%d = function(){\
7614	schaersvoo	4648	return reply[0];\
8108	schaersvoo	4649	};\n\
8257	schaersvoo	4650	<!-- end function 19 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
8130	schaersvoo	4651	break;
7614	schaersvoo	4652	case 20: fprintf(js_include_file,"\
8257	schaersvoo	4653	\n<!-- begin function 20 read_canvas%d() -->\n\
		4654	read_canvas%d = function(){\
8074	schaersvoo	4655	var prec = %d;\
7614	schaersvoo	4656	var len = ext_drag_images.length;\
		4657	var reply = new Array(len);\
		4658	for(var p = 0 ; p < len ; p++){\
		4659	var img = ext_drag_images[p];\
8074	schaersvoo	4660	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4661	};\
		4662	return reply;\
8108	schaersvoo	4663	};\n\
8257	schaersvoo	4664	<!-- end function 20 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4665	break;
		4666	case 21: fprintf(js_include_file,"\
8257	schaersvoo	4667	\n<!-- begin function 21 read_canvas%d() -->\n\
		4668	read_canvas%d = function(){\
7614	schaersvoo	4669	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4670	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4671	var prec = %d;\
7614	schaersvoo	4672	while(userdraw_x[p]){\
8074	schaersvoo	4673	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4674	p++;\
		4675	};\
		4676	if(p == 0){alert(\"nothing drawn...\");return;};\
		4677	if( document.getElementById(\"canvas_input0\") ){\
		4678	var p = 0;var input_reply = new Array();\
		4679	if( document.getElementById(\"canvas_input0\")){\
		4680	var t = 0;\
		4681	while(document.getElementById(\"canvas_input\"+t)){\
		4682	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4683	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4684	p++;\
		4685	};\
		4686	t++;\
		4687	};\
		4688	};\
		4689	if( typeof userdraw_text != 'undefined' ){\
		4690	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4691	}\
		4692	else\
		4693	{\
		4694	return reply_coord+\"\\n\"+input_reply;\
		4695	}\
		4696	}\
		4697	else\
		4698	{\
		4699	if( typeof userdraw_text != 'undefined' ){\
		4700	return reply_coord+\"\\n\"+userdraw_text;\
		4701	}\
		4702	else\
		4703	{\
		4704	return reply_coord;\
		4705	};\
		4706	};\
8108	schaersvoo	4707	};\n\
8257	schaersvoo	4708	<!-- end function 21 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4709	break;
		4710	case 22: fprintf(js_include_file,"\
8257	schaersvoo	4711	\n<!-- begin function 22 read_canvas%d() -->\n\
		4712	read_canvas%d = function(){\
7614	schaersvoo	4713	var reply = new Array();\
7963	schaersvoo	4714	var lu = userdraw_x.length;\
		4715	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4716	var idx = 0;\
8074	schaersvoo	4717	var prec = %d;\
7963	schaersvoo	4718	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4719	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4720	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4721	};\
		4722	if( document.getElementById(\"canvas_input0\") ){\
		4723	var p = 0;var input_reply = new Array();\
		4724	if( document.getElementById(\"canvas_input0\")){\
		4725	var t = 0;\
		4726	while(document.getElementById(\"canvas_input\"+t)){\
		4727	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4728	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4729	p++;\
		4730	};\
		4731	t++;\
		4732	};\
		4733	};\
		4734	if( typeof userdraw_text != 'undefined' ){\
		4735	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4736	}\
		4737	else\
		4738	{\
		4739	return reply +\"\\n\"+input_reply;\
		4740	}\
		4741	}\
		4742	else\
		4743	{\
		4744	if( typeof userdraw_text != 'undefined' ){\
		4745	return reply +\"\\n\"+userdraw_text;\
		4746	}\
		4747	else\
		4748	{\
		4749	return reply;\
		4750	}\
		4751	};\
8108	schaersvoo	4752	};\n\
8257	schaersvoo	4753	<!-- end function 22 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7614	schaersvoo	4754	break;
7782	schaersvoo	4755	case 23: fprintf(js_include_file,"\
8257	schaersvoo	4756	\n<!-- begin function 23 read_canvas%d() default 5 px marge -->\n\
		4757	read_canvas%d = function(){\
7782	schaersvoo	4758	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4759	var lu = userdraw_x.length;\
		4760	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4761	var reply_x = new Array();var reply_y = new Array();\
		4762	var marge = 5;var p = 0;\
8074	schaersvoo	4763	var prec = %d;\
7782	schaersvoo	4764	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4765	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4766	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4767	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4768	p++;\
7782	schaersvoo	4769	};\
8074	schaersvoo	4770	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	4771	};\
		4772	if( document.getElementById(\"canvas_input0\")){\
		4773	var p = 0;var input_reply = new Array();\
		4774	if( document.getElementById(\"canvas_input0\")){\
		4775	var t = 0;\
		4776	while(document.getElementById(\"canvas_input\"+t)){\
		4777	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4778	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4779	p++;\
		4780	};\
		4781	t++;\
		4782	};\
		4783	};\
		4784	if( typeof userdraw_text != 'undefined' ){\
		4785	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4786	}\
		4787	else\
		4788	{\
		4789	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4790	}\
		4791	}\
		4792	else\
		4793	{\
		4794	if( typeof userdraw_text != 'undefined' ){\
		4795	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4796	}\
		4797	else\
		4798	{\
		4799	return reply_x+\"\\n\"+reply_y;\
		4800	};\
		4801	};\
8108	schaersvoo	4802	};\n\
8257	schaersvoo	4803	<!-- end function 23 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
7782	schaersvoo	4804	break;
7984	schaersvoo	4805	case 24: fprintf(js_include_file,"\n\
8257	schaersvoo	4806	<!-- begin function 24 read_canvas%d() -->\n\
		4807	read_canvas%d = function(){\
7984	schaersvoo	4808	var input_reply = new Array();\
		4809	var p = 0;\
		4810	if( document.getElementById(\"canvas_input0\")){\
		4811	while(document.getElementById(\"canvas_input\"+p)){\
		4812	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4813	p++;\
		4814	};\
		4815	return input_reply;\
		4816	};\
8108	schaersvoo	4817	};\n\
8257	schaersvoo	4818	<!-- end function 24 read_canvas%d() -->",canvas_root_id,canvas_root_id,canvas_root_id);
7984	schaersvoo	4819	break;
8083	schaersvoo	4820	case 25:
8257	schaersvoo	4821	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas%d() : angle(s) in degrees-->\n\
		4822	read_canvas%d = function(){\
8083	schaersvoo	4823	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4824	var lu = userdraw_radius.length;\
		4825	var prec = %d;\
		4826	var angle_reply = new Array(lu);\
		4827	for(var p = 0 ; p < lu ; p++){\
		4828	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4829	};\
		4830	return angle_reply;\
8108	schaersvoo	4831	};\n\
8257	schaersvoo	4832	<!-- end function 25 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4833	break;
		4834	case 26:
8257	schaersvoo	4835	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas%d() : angle(s) in radians-->\n\
		4836	read_canvas%d = function(){\
8083	schaersvoo	4837	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4838	var lu = userdraw_radius.length;\
		4839	var prec = %d;\
		4840	var angle_reply = new Array(lu);\
		4841	for(var p = 0 ; p < lu ; p++){\
		4842	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4843	};\
		4844	return angle_reply;\
8108	schaersvoo	4845	};\n\
8257	schaersvoo	4846	<!-- end function 26 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8083	schaersvoo	4847	break;
8127	schaersvoo	4848	case 27:
8257	schaersvoo	4849	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas%d() : inputfield(s) location and their values : -->\n\
		4850	read_canvas%d = function(){\
8127	schaersvoo	4851	var lu = userdraw_x.length;\
		4852	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4853	set_reply_precision();\
		4854	var prec = %d;\
		4855	for(var p = 0 ; p < lu ; p++){\
		4856	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4857	};\
		4858	return reply;\
		4859	};\n\
8257	schaersvoo	4860	<!-- end function 27 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
8127	schaersvoo	4861	break;
8322	schaersvoo	4862	case 28:
		4863	fprintf(js_include_file,"\n<!-- begin function 28 read_canvas%d() -->\n\
		4864	read_canvas%d = function(){\
		4865	var prec = %d;\
		4866	var reply = new Array();var p = 0;\
		4867	var idx = 0;\
		4868	while(userdraw_x[p]){\
		4869	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		4870	idx++;\
		4871	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
		4872	idx++;\
		4873	reply[idx] = (Math.round(prec*(px2x(userdraw_radius[p]) - px2x(0))))/prec;\
		4874	idx++;\
		4875	p++;\
		4876	};\
		4877	if( p == 0){alert(\"nothing drawn...\");return;}\
		4878	return reply;\
		4879	};\n\
		4880	<!-- end function 4 read_canvas%d() -->",canvas_root_id,canvas_root_id,reply_precision,canvas_root_id);
		4881	break;
7614	schaersvoo	4882	default: canvas_error("hmmm unknown replyformat...");break;
		4883	}
		4884	return;
		4885	}
		4886
		4887
8224	bpr	4888	/*
		4889	add drawfunction :
7614	schaersvoo	4890	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4891	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4892	- grid / mathml
		4893	- will not scale or zoom in
		4894	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
8224	bpr	4895	- is printed directly into 'js_include_file'
7614	schaersvoo	4896	*/
		4897
		4898	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4899	int i;
		4900	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4901	if( js_functions[i] == 1){
		4902	switch(i){
		4903	case DRAG_EXTERNAL_IMAGE:
		4904	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4905	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4906	var external_ctx = external_canvas.getContext(\"2d\");\
		4907	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4908	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4909	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4910	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4911	var selected_image = null;\
		4912	var ext_image_cnt = 0;\
		4913	var ext_drag_images = new Array();\
		4914	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4915	ext_image_cnt = idx;\
		4916	var image = new Image();\
		4917	image.src = URL;\
		4918	image.onload = function(){\
		4919	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4920	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4921	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4922	var img = new Array(10);\
7653	schaersvoo	4923	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4924	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4925	ext_drag_images[idx] = img;\
		4926	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4927	};\
		4928	};\
		4929	function dragstop(evt){\
		4930	selected_image = null;return;\
		4931	};\
		4932	function dragxy(evt){\
		4933	if( selected_image != null ){\
		4934	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4935	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4936	var s_img = ext_drag_images[selected_image];\
		4937	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4938	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4939	ext_drag_images[selected_image] = s_img;\
		4940	external_ctx.clearRect(0,0,xsize,ysize);\
		4941	for(var i = 0; i <= ext_image_cnt ; i++){\
		4942	var img = ext_drag_images[i];\
		4943	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4944	};\
		4945	};\
		4946	};\
		4947	function setxy(evt){\
		4948	if( ! selected_image && evt.which == 1 ){\
		4949	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4950	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4951	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4952	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4953	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4954	var img = ext_drag_images[p];\
		4955	if( img[0] == 1 ){\
		4956	var w = img.width;\
		4957	var h = img.height;\
		4958	if( xm > img[6] && xm < img[6] + img[4]){\
		4959	if( ym > img[7] && ym < img[7] + img[5]){\
		4960	img[6] = xm;\
		4961	img[7] = ym;\
		4962	ext_drag_images[p] = img;\
		4963	selected_image = p;\
		4964	dragxy(evt);\
		4965	};\
		4966	};\
		4967	};\
		4968	};\
		4969	}\
		4970	else\
		4971	{\
		4972	selected_image = null;\
		4973	};\
7614	schaersvoo	4974	};",canvas_root_id);
		4975	break;
		4976
		4977	case DRAW_EXTERNAL_IMAGE:
		4978	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	4979	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	4980	var image = new Image();\
		4981	image.src = URL;\
		4982	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4983	image.onload = function(){\
		4984	if( x0 < 1 ){ x0 = 0; };\
		4985	if( y0 < 1 ){ y0 = 0; };\
		4986	if( sx < 1 ){ sx = 0; };\
		4987	if( sy < 1 ){ sy = 0; };\
		4988	if( width < 1 ){ width = image.width;};\
		4989	if( height < 1 ){ height = image.height;};\
		4990	if( swidth < 1 ){ swidth = image.width;};\
		4991	if( sheight < 1 ){ sheight = image.height;};\
		4992	var ml = x0 - sx;\
		4993	var mh = y0 - sy;\
		4994	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4995	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4996	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4997	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4998	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4999	};\
8224	bpr	5000	};",canvas_root_id);
7614	schaersvoo	5001	break;
		5002	case DRAW_GRIDFILL:/* not used for userdraw */
		5003	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	5004	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	5005	var obj;\
		5006	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5007	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5008	}\
		5009	else\
		5010	{\
		5011	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5012	};\
		5013	var ctx = obj.getContext(\"2d\");\
		5014	var x,y;\
7883	schaersvoo	5015	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5016	ctx.save();\
		5017	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5018	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5019	ctx.moveTo(x,y0);\
		5020	ctx.lineTo(x,ysize);\
		5021	};\
7645	schaersvoo	5022	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	5023	ctx.moveTo(x0,y);\
		5024	ctx.lineTo(xsize,y);\
		5025	};\
		5026	ctx.stroke();\
		5027	ctx.restore();\
7653	schaersvoo	5028	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5029	break;
8224	bpr	5030
7614	schaersvoo	5031	case DRAW_IMAGEFILL:/* not used for userdraw */
		5032	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	5033	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	5034	var obj;\
		5035	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5036	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5037	}\
		5038	else\
		5039	{\
		5040	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5041	};\
		5042	var ctx = obj.getContext(\"2d\");\
		5043	ctx.save();\
		5044	var img = new Image();\
		5045	img.src = URL;\
		5046	img.onload = function(){\
		5047	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		5048	ctx.drawImage(img,x0,y0,xsize,ysize);\
		5049	}\
		5050	else\
		5051	{\
		5052	var repeat = \"repeat\";\
		5053	if(img.width > xsize - x0){\
		5054	repeat = \"repeat-y\";\
		5055	}\
		5056	else\
		5057	{\
		5058	if( img.height > ysize -x0 ){\
		5059	repeat = \"repeat-x\";\
		5060	}\
		5061	}\
		5062	var pattern = ctx.createPattern(img,repeat);\
		5063	ctx.rect(x0,y0,xsize,ysize);\
		5064	ctx.fillStyle = pattern;\
		5065	}\
		5066	ctx.fill();\
		5067	};\
		5068	ctx.restore();\
		5069	return;\
7653	schaersvoo	5070	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5071	break;
8224	bpr	5072
7614	schaersvoo	5073	case DRAW_DOTFILL:/* not used for userdraw */
		5074	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	5075	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	5076	var obj;\
		5077	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5078	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5079	}\
		5080	else\
		5081	{\
		5082	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5083	};\
		5084	var ctx = obj.getContext(\"2d\");\
		5085	var x,y;\
		5086	ctx.closePath();\
		5087	ctx.save();\
7645	schaersvoo	5088	snap_x = dx;snap_y = dy;\
7614	schaersvoo	5089	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		5090	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		5091	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		5092	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		5093	ctx.closePath();\
		5094	}\
		5095	}\
		5096	ctx.fill();\
		5097	ctx.restore();\
7653	schaersvoo	5098	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5099	break;
7645	schaersvoo	5100
7647	schaersvoo	5101	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	5102	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5103	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	5104	var obj;\
		5105	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5106	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5107	}\
		5108	else\
		5109	{\
		5110	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5111	};\
		5112	var ctx = obj.getContext(\"2d\");\
		5113	var x;\
		5114	var y;\
		5115	ctx.save();\
		5116	ctx.lineWidth = linewidth;\
		5117	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5118	y = ysize;\
		5119	for( x = x0 ; x < xsize ; x = x + dx ){\
		5120	ctx.moveTo(x,y0);\
		5121	ctx.lineTo(xsize,y);\
		5122	y = y - dy;\
		5123	};\
		5124	y = y0;\
		5125	for( x = xsize ; x > 0 ; x = x - dx){\
		5126	ctx.moveTo(x,ysize);\
		5127	ctx.lineTo(x0,y);\
		5128	y = y + dy;\
		5129	};\
		5130	x = x0;\
		5131	for( y = y0 ; y < ysize ; y = y + dy ){\
		5132	ctx.moveTo(xsize,y);\
		5133	ctx.lineTo(x,ysize);\
		5134	x = x + dx;\
		5135	};\
		5136	x = xsize;\
		5137	for( y = ysize ; y > y0 ; y = y - dy ){\
		5138	ctx.moveTo(x,y0);\
		5139	ctx.lineTo(x0,y);\
		5140	x = x - dx;\
		5141	};\
		5142	ctx.stroke();\
		5143	ctx.restore();\
		5144	return;\
7653	schaersvoo	5145	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5146	break;
8224	bpr	5147
7647	schaersvoo	5148	case DRAW_HATCHFILL:/* not used for userdraw */
		5149	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	5150	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	5151	var obj;\
		5152	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5153	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5154	}\
		5155	else\
		5156	{\
		5157	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5158	};\
		5159	var ctx = obj.getContext(\"2d\");\
		5160	var x;\
		5161	var y;\
		5162	ctx.save();\
		5163	ctx.lineWidth = linewidth;\
		5164	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5165	y = ysize;\
		5166	for( x = x0 ; x < xsize ; x = x + dx ){\
		5167	ctx.moveTo(x,y0);\
		5168	ctx.lineTo(xsize,y);\
		5169	y = y - dy;\
		5170	};\
		5171	y = y0;\
		5172	for( x = xsize ; x >= dx ; x = x - dx){\
		5173	ctx.moveTo(x,ysize);\
		5174	ctx.lineTo(x0,y);\
		5175	y = y + dy;\
		5176	};\
		5177	ctx.stroke();\
		5178	ctx.restore();\
		5179	return;\
7653	schaersvoo	5180	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	5181	break;
7614	schaersvoo	5182	case DRAW_CIRCLES:/* used for userdraw */
		5183	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	5184	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	5185	ctx.save();\
8071	schaersvoo	5186	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5187	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5188	ctx.lineWidth = line_width;\
		5189	for(var p = 0 ; p < x_points.length ; p++ ){\
		5190	ctx.beginPath();\
		5191	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		5192	ctx.closePath();\
		5193	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5194	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5195	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5196	ctx.stroke();\
		5197	}\
		5198	ctx.restore();\
		5199	return;\
7653	schaersvoo	5200	};");
7614	schaersvoo	5201	break;
7663	schaersvoo	5202	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		5203	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	5204	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	5205	ctx.save();\
8071	schaersvoo	5206	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	5207	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5208	ctx.lineWidth = line_width;\
		5209	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5210	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5211	ctx.clearRect(0,0,xsize,ysize);\
		5212	ctx.beginPath();\
		5213	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		5214	ctx.moveTo(x_points[p],y_points[p]);\
		5215	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5216	}\
		5217	ctx.closePath();\
		5218	ctx.stroke();\
		5219	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5220	for(var p = 0 ; p < x_points.length ; p++ ){\
		5221	ctx.beginPath();\
		5222	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		5223	ctx.closePath();ctx.fill();ctx.stroke();\
		5224	};\
		5225	ctx.restore();\
		5226	return;\
		5227	};");
		5228	break;
8224	bpr	5229
7614	schaersvoo	5230	case DRAW_SEGMENTS:/* used for userdraw */
		5231	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	5232	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	5233	ctx.save();\
8071	schaersvoo	5234	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5235	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5236	ctx.lineWidth = line_width;\
		5237	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5238	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5239	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5240	ctx.beginPath();\
		5241	ctx.moveTo(x_points[p],y_points[p]);\
		5242	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		5243	ctx.closePath();\
		5244	ctx.stroke();\
		5245	}\
		5246	ctx.restore();\
		5247	return;\
		5248	};");
		5249	break;
8224	bpr	5250
7614	schaersvoo	5251	case DRAW_LINES:/* used for userdraw */
		5252	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		5253	function calc_line(x1,x2,y1,y2){\
		5254	var marge = 2;\
		5255	if(x1 < x2+marge && x1>x2-marge){\
		5256	return [x1,0,x1,ysize];\
		5257	};\
		5258	if(y1 < y2+marge && y1>y2-marge){\
		5259	return [0,y1,xsize,y1];\
		5260	};\
		5261	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		5262	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		5263	return [0,Y1,xsize,Y2];\
		5264	};\
8105	schaersvoo	5265	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	5266	ctx.save();\
		5267	var line = new Array(4);\
8071	schaersvoo	5268	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5269	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5270	ctx.lineWidth = line_width;\
		5271	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5272	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5273	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5274	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		5275	ctx.beginPath();\
		5276	ctx.moveTo(line[0],line[1]);\
		5277	ctx.lineTo(line[2],line[3]);\
		5278	ctx.closePath();\
		5279	ctx.stroke();\
		5280	}\
		5281	ctx.restore();\
		5282	return;\
		5283	};");
		5284	break;
		5285
8244	schaersvoo	5286	case DRAW_DEMILINES:/* used for userdraw */
		5287	fprintf(js_include_file,"\n<!-- draw demilines -->\n\
		5288	function find_inf_point(x1,y1,x2,y2){\
		5289	if(x1<x2+2 && x1>x2-2){if(y1<y2){return [x1,y1,x1,ysize];}else{return [x1,0,x1,y1];};};\
		5290	var rc = (y2 - y1)/(x2 - x1);var q = y1 - (x1)*rc;\
		5291	if( x1 < x2 ){ return [x1,y1,xsize,rc*xsize+q];}else{return [x1,y1,0,q];};\
		5292	};\
		5293	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){\
		5294	ctx.save();\
		5295	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
		5296	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5297	ctx.lineWidth = line_width;\
		5298	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5299	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5300	var pair = new Array(4);\
		5301	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		5302	pair = find_inf_point(x_points[p],y_points[p],x_points[p+1],y_points[p+1]);\
		5303	ctx.beginPath();\
		5304	ctx.moveTo(pair[0],pair[1]);\
		5305	ctx.lineTo(pair[2],pair[3]);\
		5306	ctx.closePath();\
		5307	ctx.stroke();\
		5308	}\
		5309	ctx.restore();\
		5310	return;\
		5311	};");
		5312	break;
		5313
7614	schaersvoo	5314	case DRAW_CROSSHAIRS:/* used for userdraw */
		5315	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	5316	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	5317	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5318	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5319	ctx.lineWidth = line_width;\
		5320	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5321	var x1,x2,y1,y2;\
		5322	for(var p = 0 ; p < x_points.length ; p++ ){\
		5323	x1 = x_points[p] - crosshair_size;\
		5324	x2 = x_points[p] + crosshair_size;\
		5325	y1 = y_points[p] - crosshair_size;\
		5326	y2 = y_points[p] + crosshair_size;\
		5327	ctx.beginPath();\
		5328	ctx.moveTo(x1,y1);\
		5329	ctx.lineTo(x2,y2);\
		5330	ctx.closePath();\
		5331	ctx.stroke();\
		5332	ctx.beginPath();\
		5333	ctx.moveTo(x2,y1);\
		5334	ctx.lineTo(x1,y2);\
		5335	ctx.closePath();\
		5336	ctx.stroke();\
		5337	}\
		5338	ctx.restore();\
		5339	return;\
7653	schaersvoo	5340	};");
7614	schaersvoo	5341	break;
		5342
		5343	case DRAW_RECTS:/* used for userdraw */
		5344	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	5345	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	5346	ctx.save();\
8071	schaersvoo	5347	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5348	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5349	ctx.lineWidth = line_width;\
		5350	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		5351	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		5352	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		5353	ctx.beginPath();\
		5354	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		5355	ctx.closePath();\
		5356	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5357	ctx.stroke();\
		5358	};\
		5359	ctx.restore();\
		5360	return;\
7653	schaersvoo	5361	};");
7614	schaersvoo	5362	break;
		5363
		5364	case DRAW_ROUNDRECTS:/* used for userdraw */
		5365	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	5366	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	5367	ctx.save();\
8071	schaersvoo	5368	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5369	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5370	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5371	var x,y,w,h,r;\
		5372	for(var p = 0; p < x_points.length; p = p+2){\
		5373	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);\
		5374	ctx.beginPath();ctx.moveTo(x + r, y);\
		5375	ctx.lineTo(x + w - r, y);\
		5376	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5377	ctx.lineTo(x + w, y + h - r);\
		5378	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5379	ctx.lineTo(x + r, y + h);\
		5380	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5381	ctx.lineTo(x, y + r);\
		5382	ctx.quadraticCurveTo(x, y, x + r, y);\
		5383	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5384	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5385	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5386	ctx.stroke();\
		5387	}\
		5388	ctx.restore();\
7653	schaersvoo	5389	};");
8224	bpr	5390	break;
7614	schaersvoo	5391
		5392	case DRAW_ELLIPSES:/* not used for userdraw */
		5393	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5394	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	5395	var obj;\
		5396	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5397	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5398	}\
		5399	else\
		5400	{\
		5401	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5402	};\
		5403	var ctx = obj.getContext(\"2d\");\
		5404	ctx.save();\
8071	schaersvoo	5405	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5406	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5407	var cx,cy,ry,rx;\
		5408	ctx.lineWidth = line_width;\
		5409	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5410	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5411	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5412	for(var p=0;p< x_points.length;p = p+2){\
		5413	ctx.beginPath();\
		5414	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5415	ctx.translate(cx - rx, cy - ry);\
		5416	ctx.scale(rx, ry);\
		5417	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5418	if( use_filled == 1 ){ctx.fill();}\
		5419	ctx.stroke();\
		5420	};\
		5421	ctx.restore();\
7653	schaersvoo	5422	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5423	break;
		5424
		5425	case DRAW_PATHS: /* used for userdraw */
		5426	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5427	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	5428	ctx.save();\
8071	schaersvoo	5429	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5430	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5431	ctx.lineWidth = line_width;\
		5432	ctx.lineJoin = \"round\";\
		5433	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5434	ctx.beginPath();\
		5435	ctx.moveTo(x_points[0],y_points[0]);\
		5436	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5437	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5438	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5439	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5440	ctx.stroke();\
		5441	ctx.restore();\
		5442	return;\
		5443	};");
8224	bpr	5444
7614	schaersvoo	5445	break;
		5446	case DRAW_ARROWS:/* used for userdraw */
		5447	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5448	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	5449	ctx.save();\
8071	schaersvoo	5450	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5451	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5452	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5453	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5454	ctx.lineWidth = line_width;\
		5455	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5456	ctx.lineCap = \"round\";\
		5457	var x1,y1,x2,y2,dx,dy,len;\
		5458	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5459	ctx.save();\
7614	schaersvoo	5460	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5461	len = Math.sqrt(dxdx+dydy);\
		5462	ctx.translate(x2,y2);\
		5463	ctx.rotate(Math.atan2(dy,dx));\
		5464	ctx.lineCap = \"round\";\
		5465	ctx.beginPath();\
		5466	ctx.moveTo(0,0);\
		5467	ctx.lineTo(-len,0);\
		5468	ctx.closePath();\
		5469	ctx.stroke();\
		5470	ctx.beginPath();\
		5471	ctx.moveTo(0,0);\
		5472	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5473	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5474	ctx.closePath();\
		5475	ctx.fill();\
7874	schaersvoo	5476	ctx.restore();\
7614	schaersvoo	5477	if( type == 2 ){\
		5478	ctx.save();\
		5479	ctx.translate(x1,y1);\
		5480	ctx.rotate(Math.atan2(-dy,-dx));\
		5481	ctx.beginPath();\
		5482	ctx.moveTo(0,0);\
8347	schaersvoo	5483	ctx.lineTo(-1arrow_head,-0.4arrow_head);\
		5484	ctx.lineTo(-1arrow_head, 0.4arrow_head);\
7614	schaersvoo	5485	ctx.closePath();\
		5486	ctx.stroke();\
		5487	ctx.fill();\
7874	schaersvoo	5488	ctx.restore();\
7614	schaersvoo	5489	}\
		5490	}\
		5491	ctx.restore();\
		5492	return;\
7653	schaersvoo	5493	};");
7614	schaersvoo	5494	break;
		5495
		5496	case DRAW_VIDEO:/* not used for userdraw */
		5497	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5498	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5499	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5500	var video_div = document.createElement(\"div\");\
		5501	canvas_div.appendChild(video_div);\
		5502	video_div.style.position = \"absolute\";\
		5503	video_div.style.left = x+\"px\";\
		5504	video_div.style.top = y+\"px\";\
		5505	video_div.style.width = w+\"px\";\
		5506	video_div.style.height = h+\"px\";\
		5507	var video = document.createElement(\"video\");\
		5508	video_div.appendChild(video);\
		5509	video.style.width = w+\"px\";\
		5510	video.style.height = h+\"px\";\
		5511	video.autobuffer = true;\
		5512	video.controls = true;video.autoplay = false;\
		5513	var src = document.createElement(\"source\");\
		5514	src.type = \"video/mp4\";\
		5515	src.src = URL;\
		5516	video.appendChild(src);\
		5517	video.load();\
		5518	return;\
8224	bpr	5519	};");
7614	schaersvoo	5520	break;
8224	bpr	5521
7614	schaersvoo	5522	case DRAW_AUDIO:/* not used for userdraw */
		5523	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5524	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5525	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5526	var audio_div = document.createElement(\"div\");\
		5527	canvas_div.appendChild(audio_div);\
		5528	audio_div.style.position = \"absolute\";\
		5529	audio_div.style.left = x+\"px\";\
		5530	audio_div.style.top = y+\"px\";\
		5531	audio_div.style.width = w+\"px\";\
		5532	audio_div.style.height = h+\"px\";\
		5533	var audio = document.createElement(\"audio\");\
		5534	audio_div.appendChild(audio);\
		5535	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5536	audio.autobuffer = true;\
		5537	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5538	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5539	var src1 = document.createElement(\"source\");\
		5540	src1.type = \"audio/ogg\";\
		5541	src1.src = URL1;\
		5542	audio.appendChild(src1);\
		5543	var src2 = document.createElement(\"source\");\
		5544	src2.type = \"audio/mpeg\";\
		5545	src2.src = URL2;\
		5546	audio.appendChild(src2);\
		5547	audio.load();\
		5548	return;\
7653	schaersvoo	5549	};");
7614	schaersvoo	5550	break;
8224	bpr	5551
7614	schaersvoo	5552	case DRAW_HTTP:/* not used for userdraw */
		5553	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5554	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5555	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5556	var http_div = document.createElement(\"div\");\
		5557	var iframe = document.createElement(\"iframe\");\
		5558	canvas_div.appendChild(http_div);\
		5559	http_div.appendChild(iframe);\
		5560	iframe.src = URL;\
		5561	iframe.setAttribute(\"width\",w);\
		5562	iframe.setAttribute(\"height\",h);\
		5563	return;\
7653	schaersvoo	5564	};");
7614	schaersvoo	5565	break;
8224	bpr	5566
7614	schaersvoo	5567	case DRAW_XML:
		5568	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5569	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5570	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5571	var xml_div = document.createElement(\"div\");\
		5572	canvas_div.appendChild(xml_div);\
		5573	xml_div.innerHTML = mathml;\
		5574	if(onclick != 0){\
		5575	xml_div.onclick = function(){\
		5576	reply[0] = onclick;\
		5577	alert(\"send \"+onclick+\" ?\");\
		5578	};\
		5579	};\
		5580	xml_div.style.position = \"absolute\";\
		5581	xml_div.style.left = x+\"px\";\
		5582	xml_div.style.top = y+\"px\";\
		5583	xml_div.style.width = w+\"px\";\
		5584	xml_div.style.height = h+\"px\";\
		5585	return;\
7653	schaersvoo	5586	};"
7614	schaersvoo	5587	);
		5588	break;
7654	schaersvoo	5589	case DRAW_SGRAPH:
8224	bpr	5590	/*
7654	schaersvoo	5591	xstart = given
		5592	ystart = given
		5593	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5594	*/
		5595	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5596	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5597	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);};\
		5598	var ctx = obj.getContext(\"2d\");\
		5599	ctx.font = fontfamily;\
		5600	var minor_opacity = 0.8*opacity;\
		5601	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5602	var zero_x = 0.1*xsize;\
		5603	var zero_y = 0.9*ysize;\
8129	schaersvoo	5604	var snor_x;var snor_y;\
7654	schaersvoo	5605	if( xstart != xmin){\
7658	schaersvoo	5606	snor_x = 0.1*xsize;\
		5607	}\
		5608	else\
		5609	{\
		5610	snor_x = 0;\
		5611	xstart = xmin;\
		5612	};\
		5613	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5614	ctx.lineWidth = 2;\
		5615	ctx.beginPath();\
		5616	ctx.moveTo(xsize,zero_y);\
		5617	ctx.lineTo(zero_x,zero_y);\
		5618	ctx.lineTo(zero_x,0);\
		5619	ctx.stroke();\
		5620	ctx.closePath();\
		5621	ctx.beginPath();\
		5622	ctx.moveTo(zero_x,zero_y);\
		5623	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5624	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5625	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5626	ctx.lineTo(zero_x + snor_x,zero_y);\
		5627	ctx.stroke();\
		5628	ctx.closePath();\
		5629	ctx.beginPath();\
		5630	var num = xstart;\
7660	schaersvoo	5631	var flipflop = 1;\
7658	schaersvoo	5632	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5633	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5634	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5635	txtsize = ctx.measureText(num).width;\
		5636	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5637	if( flipflop == 1){\
		5638	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5639	}\
		5640	else\
		5641	{\
		5642	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5643	}\
		5644	num = num + xmajor;\
7658	schaersvoo	5645	};\
		5646	ctx.stroke();\
		5647	ctx.closePath();\
		5648	ctx.lineWidth = 1;\
		5649	ctx.beginPath();\
		5650	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5651	ctx.moveTo(x,zero_y);\
		5652	ctx.lineTo(x,0);\
		5653	};\
		5654	ctx.stroke();\
		5655	ctx.closePath();\
		5656	if( xminor > 1){\
		5657	ctx.lineWidth = 0.5;\
		5658	ctx.beginPath();\
		5659	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5660	var minor_step_x = step_x / xminor;\
		5661	var nx;\
		5662	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5663	num = 1;\
		5664	for(var p = 1 ; p < xminor ; p++){\
		5665	nx = x + num*minor_step_x;\
		5666	ctx.moveTo(nx,zero_y);\
		5667	ctx.lineTo(nx,0);\
		5668	num++;\
		5669	};\
		5670	};\
		5671	ctx.stroke();\
		5672	ctx.closePath();\
		5673	ctx.beginPath();\
		5674	ctx.lineWidth = 2;\
		5675	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5676	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5677	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5678	};\
		5679	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5680	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5681	};\
		5682	ctx.stroke();\
		5683	ctx.closePath();\
		5684	ctx.lineWidth = 0.5;\
		5685	};\
		5686	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5687	if( ystart != ymin){\
		5688	snor_y = 0.1*ysize;\
		5689	}\
		5690	else\
		5691	{\
		5692	snor_y = 0;\
		5693	ystart = ymin;\
		5694	};\
		5695	ctx.lineWidth = 2;\
		5696	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5697	ctx.beginPath();\
		5698	ctx.moveTo(zero_x,zero_y);\
		5699	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5700	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5701	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5702	ctx.lineTo(zero_x,zero_y - snor_y);\
		5703	ctx.stroke();\
		5704	ctx.closePath();\
		5705	ctx.beginPath();\
		5706	ctx.lineWidth = 1;\
		5707	num = ystart;\
		5708	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5709	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5710	ctx.moveTo(zero_x,y);\
		5711	ctx.lineTo(xsize,y);\
		5712	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5713	num = num + ymajor;\
		5714	};\
		5715	ctx.stroke();\
		5716	ctx.closePath();\
		5717	if( yminor > 1){\
		5718	ctx.lineWidth = 0.5;\
		5719	ctx.beginPath();\
		5720	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5721	var minor_step_y = step_y / yminor;\
		5722	var ny;\
		5723	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5724	num = 1;\
		5725	for(var p = 1 ;p < yminor;p++){\
		5726	ny = y + num*minor_step_y;\
		5727	ctx.moveTo(zero_x,ny);\
		5728	ctx.lineTo(xsize,ny);\
		5729	num++;\
		5730	};\
		5731	};\
		5732	ctx.stroke();\
		5733	ctx.closePath();\
		5734	ctx.lineWidth = 2;\
		5735	ctx.beginPath();\
		5736	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5737	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5738	ctx.moveTo(zero_x,y);\
		5739	ctx.lineTo(zero_x+12,y);\
		5740	};\
		5741	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5742	ctx.moveTo(zero_x,y);\
		5743	ctx.lineTo(zero_x+6,y);\
		5744	};\
		5745	ctx.stroke();\
		5746	ctx.closePath();\
		5747	};\
		5748	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5749	if( typeof legend%d !== 'undefined' ){\
		5750	ctx.globalAlpha = 1.0;\
		5751	var y_offset = 2*font_size;\
		5752	var txt;var txt_size;\
		5753	var x_offset = xsize - 2*font_size;\
		5754	var l_length = legend%d.length;var barcolor = new Array();\
		5755	if( typeof legendcolors%d !== 'undefined' ){\
		5756	for(var p = 0 ; p < l_length ; p++){\
		5757	barcolor[p] = legendcolors%d[p];\
		5758	};\
		5759	}else{\
		5760	if( barcolor.length == 0 ){\
		5761	for(var p = 0 ; p < l_length ; p++){\
		5762	barcolor[p] = stroke_color;\
		5763	};\
		5764	};\
		5765	};\
		5766	for(var p = 0; p < l_length; p++){\
		5767	ctx.fillStyle = barcolor[p];\
		5768	txt = legend%d[p];\
		5769	txt_size = ctx.measureText(txt).width;\
		5770	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5771	y_offset = parseInt(y_offset + 1.5*font_size);\
		5772	};\
		5773	};\
7660	schaersvoo	5774	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5775	ctx.fillStyle = \'#000000\';\
		5776	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5777	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5778	};\
7660	schaersvoo	5779	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5780	ctx.save();\
		5781	ctx.fillStyle = \'#000000\';\
		5782	var txt_size = ctx.measureText(yaxislabel).width;\
		5783	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5784	ctx.rotate(-0.5*Math.PI);\
		5785	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5786	ctx.restore();\
7658	schaersvoo	5787	};\
7654	schaersvoo	5788	};\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);
		5789	break;
7614	schaersvoo	5790
		5791	case DRAW_GRID:/* not used for userdraw */
		5792	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5793	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	5794	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);};\
		5795	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5796	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5797	ctx.save();\
8071	schaersvoo	5798	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5799	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5800	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5801	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5802	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5803	ctx.font = font_family;\
7988	schaersvoo	5804	var barcolor = new Array();\
7614	schaersvoo	5805	var xstep = xsize*xmajor/(xmax - xmin);\
		5806	var ystep = ysize*ymajor/(ymax - ymin);\
		5807	var x2step = xstep / xminor;\
		5808	var y2step = ystep / yminor;\
7996	schaersvoo	5809	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5810	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5811	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5812	ctx.beginPath();\
		5813	ctx.lineWidth = line_width;\
		5814	ctx.strokeStyle = stroke_color;\
		5815	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5816	ctx.moveTo(p,0);\
		5817	ctx.lineTo(p,ysize);\
		5818	};\
		5819	for(var p = zero_x ; p > 0; p = p - xstep){\
		5820	ctx.moveTo(p,0);\
		5821	ctx.lineTo(p,ysize);\
		5822	};\
		5823	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5824	ctx.moveTo(0,p);\
		5825	ctx.lineTo(xsize,p);\
		5826	};\
		5827	for(var p = zero_y ; p > 0; p = p - ystep){\
		5828	ctx.moveTo(0,p);\
		5829	ctx.lineTo(xsize,p);\
		5830	};\
		5831	if( typeof xaxislabel !== 'undefined' ){\
		5832	ctx.save();\
		5833	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5834	var corr = ctx.measureText(xaxislabel).width;\
		5835	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5836	ctx.restore();\
		5837	};\
		5838	if( typeof yaxislabel !== 'undefined' ){\
		5839	ctx.save();\
		5840	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5841	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5842	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5843	ctx.rotate(-0.5*Math.PI);\
		5844	ctx.fillText(yaxislabel,0,0);\
		5845	ctx.restore();\
		5846	};\
		5847	ctx.stroke();\
		5848	ctx.closePath();\
		5849	if( use_axis == 1 ){\
7988	schaersvoo	5850	ctx.save();\
7614	schaersvoo	5851	ctx.beginPath();\
		5852	ctx.strokeStyle = stroke_color;\
		5853	ctx.lineWidth = 0.6*line_width;\
		5854	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5855	ctx.moveTo(p,0);\
		5856	ctx.lineTo(p,ysize);\
		5857	};\
		5858	for(var p = zero_x ; p > 0; p = p - x2step){\
		5859	ctx.moveTo(p,0);\
		5860	ctx.lineTo(p,ysize);\
		5861	};\
		5862	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5863	ctx.moveTo(0,p);\
		5864	ctx.lineTo(xsize,p);\
		5865	};\
		5866	for(var p = zero_y ; p > 0; p = p - y2step){\
		5867	ctx.moveTo(0,p);\
		5868	ctx.lineTo(xsize,p);\
		5869	};\
		5870	ctx.stroke();\
		5871	ctx.closePath();\
		5872	ctx.beginPath();\
		5873	ctx.lineWidth = 2*line_width;\
		5874	ctx.strokeStyle = axis_color;\
		5875	ctx.moveTo(0,zero_y);\
		5876	ctx.lineTo(xsize,zero_y);\
		5877	ctx.moveTo(zero_x,0);\
		5878	ctx.lineTo(zero_x,ysize);\
		5879	ctx.stroke();\
		5880	ctx.closePath();\
		5881	ctx.lineWidth = line_width+0.5;\
		5882	ctx.beginPath();\
		5883	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5884	ctx.moveTo(p,zero_y-tics_length);\
		5885	ctx.lineTo(p,zero_y+tics_length);\
		5886	};\
		5887	for(var p = zero_x ; p > 0; p = p - xstep){\
		5888	ctx.moveTo(p,zero_y-tics_length);\
		5889	ctx.lineTo(p,zero_y+tics_length);\
		5890	};\
		5891	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5892	ctx.moveTo(zero_x-tics_length,p);\
		5893	ctx.lineTo(zero_x+tics_length,p);\
		5894	};\
		5895	for(var p = zero_y ; p > 0; p = p - ystep){\
		5896	ctx.moveTo(zero_x-tics_length,p);\
		5897	ctx.lineTo(zero_x+tics_length,p);\
		5898	};\
		5899	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5900	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5901	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5902	};\
		5903	for(var p = zero_x ; p > 0; p = p - x2step){\
		5904	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5905	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5906	};\
		5907	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5908	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5909	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5910	};\
		5911	for(var p = zero_y ; p > 0; p = p - y2step){\
		5912	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5913	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5914	};\
		5915	ctx.stroke();\
		5916	ctx.closePath();\
7988	schaersvoo	5917	ctx.restore();\
		5918	};\
		5919	if( use_axis_numbering == 1 ){\
		5920	ctx.save();\
		5921	ctx.fillColor = axis_color;\
8110	schaersvoo	5922	ctx.strokeStyle = axis_color;\
		5923	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5924	ctx.font = font_family;\
		5925	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5926	if( x_strings != null ){\
		5927	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5928	ctx.beginPath();\
7988	schaersvoo	5929	for(var p = 0 ; p < len ; p = p+2){\
		5930	var x_nums = x2px(eval(x_strings[p]));\
		5931	var x_text = x_strings[p+1];\
		5932	corr = ctx.measureText(x_text).width;\
		5933	skip = 1.2*corr/xstep;\
		5934	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5935	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5936	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5937	ctx.moveTo(x_nums,zero_y - tics_length);\
		5938	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	5939	};\
8110	schaersvoo	5940	ctx.closePath();\
7988	schaersvoo	5941	}\
		5942	else\
		5943	{\
		5944	skip = 1;cnt = px2x(zero_x);\
		5945	prec = Math.log(precision)/(Math.log(10));\
		5946	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		5947	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		5948	if(skip == 0 ){\
7990	schaersvoo	5949	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5950	corr = ctx.measureText(disp_cnt).width;\
		5951	skip = parseInt(1.2*corr/xstep);\
		5952	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5953	}\
7988	schaersvoo	5954	else\
		5955	{\
		5956	skip--;\
7614	schaersvoo	5957	};\
7988	schaersvoo	5958	cnt = cnt + xmajor;\
7614	schaersvoo	5959	};\
7988	schaersvoo	5960	cnt = px2x(zero_x);skip = 1;\
		5961	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		5962	if(skip == 0 ){\
7990	schaersvoo	5963	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5964	corr = ctx.measureText(disp_cnt).width;\
		5965	skip = parseInt(1.2*corr/xstep);\
		5966	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		5967	}\
		5968	else\
		5969	{\
		5970	skip--;\
7614	schaersvoo	5971	};\
7988	schaersvoo	5972	cnt = cnt - xmajor;\
7614	schaersvoo	5973	};\
		5974	};\
7988	schaersvoo	5975	if( y_strings != null ){\
		5976	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5977	ctx.beginPath();\
7988	schaersvoo	5978	for(var p = 0 ; p < len ; p = p+2){\
		5979	var y_nums = y2px(eval(y_strings[p]));\
		5980	var y_text = y_strings[p+1];\
		5981	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5982	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	5983	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		5984	ctx.moveTo(zero_x - tics_length,y_nums);\
		5985	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	5986	};\
8110	schaersvoo	5987	ctx.closePath();\
7988	schaersvoo	5988	}\
		5989	else\
		5990	{\
7991	schaersvoo	5991	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5992	cnt = px2y(zero_y);skip = 1;\
		5993	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		5994	if(skip == 0 ){\
		5995	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5996	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5997	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5998	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5999	}\
		6000	else\
		6001	{\
		6002	skip--;\
		6003	};\
		6004	cnt = cnt - ymajor;\
7614	schaersvoo	6005	};\
7988	schaersvoo	6006	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	6007	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	6008	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		6009	if(skip == 0 ){\
		6010	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	6011	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	6012	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		6013	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		6014	}\
		6015	else\
		6016	{\
		6017	skip--;\
		6018	};\
		6019	cnt = cnt + ymajor;\
7614	schaersvoo	6020	};\
		6021	};\
7988	schaersvoo	6022	ctx.stroke();\
7614	schaersvoo	6023	ctx.restore();\
		6024	};\
7956	schaersvoo	6025	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	6026	ctx.save();\
7614	schaersvoo	6027	ctx.globalAlpha = 1.0;\
		6028	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		6029	var y_offset = 2*font_size;\
		6030	var txt;var txt_size;\
		6031	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	6032	var l_length = legend0.length;\
		6033	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	6034	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	6035	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	6036	};\
7988	schaersvoo	6037	}\
		6038	else\
		6039	{\
7614	schaersvoo	6040	if( barcolor.length == 0 ){\
		6041	for(var p = 0 ; p < l_length ; p++){\
		6042	barcolor[p] = stroke_color;\
		6043	};\
		6044	};\
		6045	};\
		6046	for(var p = 0; p < l_length; p++){\
		6047	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	6048	txt = legend0[p];\
7614	schaersvoo	6049	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	6050	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	6051	y_offset = parseInt(y_offset + 1.5*font_size);\
		6052	};\
7988	schaersvoo	6053	ctx.restore();\
7614	schaersvoo	6054	};\
7991	schaersvoo	6055	if( typeof barchart_0 !== 'undefined' ){\
		6056	ctx.save();\
		6057	var num_barcharts = 0;\
		6058	var bar_name = eval('barchart_0');\
		6059	while( typeof bar_name !== 'undefined' ){\
		6060	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		6061	};\
		6062	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		6063	for(var i=0 ; i< num_barcharts ; i++){\
		6064	bar_name = eval('barchart_'+i);\
		6065	var bar_x = new Array();\
		6066	var bar_y = new Array();\
		6067	var lb = bar_name.length;\
		6068	var idx = 0;\
		6069	var dx = parseInt(0.5ibar_width);\
		6070	for( var p = 0 ; p < lb ; p = p + 3 ){\
		6071	bar_x[idx] = x2px(bar_name[p]);\
		6072	bar_y[idx] = y2px(bar_name[p+1]);\
		6073	barcolor[idx] = bar_name[p+2];\
		6074	idx++;\
		6075	};\
		6076	ctx.globalAlpha = fill_opacity;\
		6077	ctx.beginPath();\
		6078	for( var p = 0; p < idx ; p++ ){\
		6079	ctx.strokeStyle = barcolor[p];\
		6080	ctx.fillStyle = barcolor[p];\
		6081	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		6082	};\
		6083	ctx.fill();\
		6084	ctx.stroke();\
		6085	ctx.closePath();\
		6086	};\
		6087	ctx.restore();\
		6088	};\
7996	schaersvoo	6089	if( typeof linegraph_0 !== 'undefined' ){\
		6090	ctx.save();\
		6091	ctx.globalAlpha = 1.0;\
		6092	var i = 0;\
		6093	var line_name = eval('linegraph_'+i);\
		6094	while ( typeof line_name !== 'undefined' ){\
		6095	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		6096	ctx.lineWidth = parseInt(line_name[1]);\
		6097	if(line_name[2] == \"1\"){\
		6098	var d1 = parseInt(line_name[3]);\
		6099	var d2 = parseInt(line_name[4]);\
		6100	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		6101	}\
		6102	else\
		6103	{\
		6104	if(ctx.setLineDash){ctx.setLineDash = null;}\
		6105	if(ctx.mozDash){ctx.mozDash = null;}\
		6106	};\
		6107	var data_x = new Array();\
		6108	var data_y = new Array();\
		6109	var lb = line_name.length;\
		6110	var idx = 0;\
		6111	for( var p = 5 ; p < lb ; p = p + 2 ){\
		6112	data_x[idx] = x2px(line_name[p]);\
		6113	data_y[idx] = y2px(line_name[p+1]);\
		6114	idx++;\
		6115	};\
		6116	for( var p = 0; p < idx ; p++){\
		6117	ctx.beginPath();\
		6118	ctx.moveTo(data_x[p],data_y[p]);\
		6119	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		6120	ctx.stroke();\
		6121	ctx.closePath();\
		6122	};\
		6123	i++;\
		6124	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		6125	};\
		6126	ctx.restore();\
		6127	};\
7614	schaersvoo	6128	return;\
7989	schaersvoo	6129	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6130	break;
8224	bpr	6131
7614	schaersvoo	6132	case DRAW_PIECHART:
7987	schaersvoo	6133	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	6134	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	6135	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6136	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6137	}\
		6138	else\
		6139	{\
		6140	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6141	};\
		6142	var ld = data_color_list.length;\
		6143	var sum = 0;\
		6144	var idx = 0;\
7956	schaersvoo	6145	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	6146	var colors = new Array();\
		6147	var data = new Array();\
		6148	for(var p = 0;p < ld; p = p + 2){\
		6149	data[idx] = parseFloat(data_color_list[p]);\
		6150	sum = sum + data[idx];\
		6151	colors[idx] = data_color_list[p+1];\
		6152	idx++;\
		6153	};\
		6154	var ctx = obj.getContext(\"2d\");\
		6155	ctx.save();\
		6156	var angle;\
		6157	var angle_end = 0;\
		6158	var offset = Math.PI / 2;\
		6159	ctx.globalAlpha = fill_opacity;\
		6160	for(var p=0; p < idx; p++){\
		6161	ctx.beginPath();\
		6162	ctx.fillStyle = colors[p];\
		6163	ctx.moveTo(x_center,y_center);\
		6164	angle = Math.PI * (2 * data[p] / sum);\
		6165	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		6166	ctx.lineTo(x_center, y_center);\
		6167	ctx.fill();\
		6168	ctx.closePath();\
		6169	angle_end = angle_end + angle;\
		6170	};\
7956	schaersvoo	6171	if(typeof legend0 !== 'undefined'){\
		6172	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	6173	ctx.globalAlpha = 1.0;\
7956	schaersvoo	6174	ctx.font = font_family;\
7614	schaersvoo	6175	var y_offset = font_size; \
		6176	var x_offset = 0;\
		6177	var txt;var txt_size;\
		6178	for(var p = 0; p < idx; p++){\
		6179	ctx.fillStyle = colors[p];\
7956	schaersvoo	6180	txt = legenda[p];\
7614	schaersvoo	6181	txt_size = ctx.measureText(txt).width;\
		6182	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	6183	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	6184	y_offset = parseInt(y_offset + 1.5*font_size);\
		6185	};\
		6186	};\
		6187	ctx.restore();\
7956	schaersvoo	6188	};",canvas_root_id,canvas_root_id,canvas_root_id);
8224	bpr	6189
7614	schaersvoo	6190	break;
		6191	case DRAW_ARCS:
		6192	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	6193	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	6194	ctx.save();\
		6195	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	6196	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	6197	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		6198	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	6199	start = 360 - start;\
		6200	end = 360 - end;\
7614	schaersvoo	6201	ctx.lineWidth = line_width;\
		6202	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	6203	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		6204	ctx.beginPath();\
		6205	ctx.moveTo(xc,yc);\
		6206	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		6207	ctx.lineTo(xc,yc);\
		6208	ctx.closePath();\
7614	schaersvoo	6209	if( use_filled == 1 ){\
		6210	ctx.fill();\
8071	schaersvoo	6211	};\
		6212	ctx.stroke();\
7614	schaersvoo	6213	ctx.restore();\
8071	schaersvoo	6214	};");
8224	bpr	6215
7614	schaersvoo	6216	break;
7983	schaersvoo	6217	case DRAW_CENTERSTRING:
		6218	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	6219	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	6220	var obj;\
		6221	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6222	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6223	}\
		6224	else\
		6225	{\
		6226	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6227	};\
		6228	var ctx = obj.getContext(\"2d\");\
		6229	ctx.save();\
		6230	ctx.font = font_family;\
		6231	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6232	var stringwidth = ctx.measureText(text).width;\
		6233	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		6234	ctx.fillText(text,x,y2px(y));\
		6235	return;\
		6236	};",canvas_root_id,canvas_root_id,canvas_root_id);
		6237	break;
7614	schaersvoo	6238	case DRAW_TEXTS:
		6239	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	6240	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	6241	var obj;\
		6242	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6243	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6244	}\
		6245	else\
		6246	{\
		6247	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6248	};\
		6249	var ctx = obj.getContext(\"2d\");\
		6250	if(angle2 == 0 && angle != 0){\
		6251	ctx.save();\
8071	schaersvoo	6252	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6253	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6254	};\
		6255	if( font_family.indexOf('px') != null ){\
		6256	ctx.font = font_family;\
		6257	}\
		6258	else\
		6259	{\
7956	schaersvoo	6260	ctx.font = font_family;\
7614	schaersvoo	6261	};\
		6262	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6263	if(angle2 != 0){\
		6264	ctx.save();\
		6265	ctx.translate(x,y);\
		6266	ctx.rotate((360-angle2)*(Math.PI / 180));\
		6267	ctx.fillText(text,0,0);\
		6268	ctx.restore();\
		6269	}else{ctx.fillText(text,x,y);};\
		6270	ctx.restore();\
		6271	return;\
7653	schaersvoo	6272	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6273	break;
		6274	case DRAW_CURVE:
		6275	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	6276	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	6277	var obj;\
		6278	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6279	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6280	}\
		6281	else\
		6282	{\
		6283	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6284	};\
		6285	var ctx = obj.getContext(\"2d\");\
		6286	ctx.save();\
8071	schaersvoo	6287	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6288	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6289	ctx.beginPath();ctx.lineWidth = line_width;\
		6290	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		6291	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6292	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		6293	for(var p = 1 ; p < x_points.length ; p++){\
		6294	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		6295	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		6296	}\
		6297	else\
		6298	{\
		6299	ctx.stroke();\
		6300	ctx.beginPath();\
		6301	p++;\
		6302	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		6303	};\
		6304	};\
		6305	ctx.stroke();\
		6306	ctx.restore();\
7653	schaersvoo	6307	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6308	break;
8224	bpr	6309
7614	schaersvoo	6310	case DRAW_INPUTS:
		6311	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	6312	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	6313	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6314	var input = document.createElement(\"input\");\
		6315	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6316	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6317	input.setAttribute(\"size\",size);\
		6318	input.setAttribute(\"value\",value);\
7877	schaersvoo	6319	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	6320	canvas_div.appendChild(input);};");
7614	schaersvoo	6321	break;
8224	bpr	6322
7614	schaersvoo	6323	case DRAW_TEXTAREAS:
		6324	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	6325	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	6326	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		6327	var textarea = document.createElement(\"textarea\");\
		6328	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		6329	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		6330	textarea.setAttribute(\"cols\",cols);\
		6331	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	6332	textarea.value = value;\
		6333	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	6334	canvas_div.appendChild(textarea);};");
7614	schaersvoo	6335	break;
8224	bpr	6336
7614	schaersvoo	6337	case DRAW_PIXELS:
		6338	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	6339	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	6340	var canvas = create_canvas%d(10,xsize,ysize);\
		6341	var d = 0.5*pixelsize;\
		6342	var ctx = canvas.getContext(\"2d\");\
		6343	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		6344	ctx.clearRect(0,0,xsize,ysize);\
		6345	for(var p=0; p<x.length;p++){\
		6346	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		6347	};\
		6348	ctx.fill();ctx.stroke();\
		6349	};",canvas_root_id);
		6350	break;
		6351
		6352	case DRAW_CLOCK:
		6353	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		6354	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		6355	var clock_ctx = clock_canvas.getContext(\"2d\");\
		6356	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
8130	schaersvoo	6357	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
7614	schaersvoo	6358	clock_ctx.save();\
7997	schaersvoo	6359	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	6360	this.type = type \|\| 0;\
		6361	this.interaction = interaction \|\| 0;\
7862	schaersvoo	6362	this.H = H;\
		6363	this.M = M;\
		6364	this.S = S;\
8000	schaersvoo	6365	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		6366	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		6367	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	6368	this.xc = xc \|\| xsize/2;\
		6369	this.yc = yc \|\| ysize/2;\
		6370	this.radius = radius \|\| xsize/4;\
		6371	var font_size = parseInt(0.2*this.radius);\
		6372	this.H_color = h_color \|\| \"blue\";\
		6373	this.M_color = m_color \|\| \"blue\";\
		6374	this.S_color = s_color \|\| \"blue\";\
		6375	this.fg_color = fg_color \|\| \"red\";\
		6376	this.bg_color = bg_color \|\| \"white\";\
		6377	clock_ctx.translate(this.xc,this.yc);\
		6378	clock_ctx.beginPath();\
		6379	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6380	clock_ctx.fillStyle = this.bg_color;\
		6381	clock_ctx.fill();\
		6382	clock_ctx.closePath();\
		6383	clock_ctx.beginPath();\
		6384	clock_ctx.font = font_size+\"px Arial\";\
		6385	clock_ctx.fillStyle = this.fg_color;\
		6386	clock_ctx.textAlign = \"center\";\
		6387	clock_ctx.textBaseline = 'middle';\
		6388	var angle;var x1,y1,x2,y2;\
		6389	var angle_cos;var angle_sin;\
7997	schaersvoo	6390	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6391	switch(type){\
		6392	case 0:clock_ctx.beginPath();\
		6393	for(var p = 1; p <= 12 ; p++){\
		6394	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6395	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6396	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6397	clock_ctx.moveTo(x1,y1);\
		6398	clock_ctx.lineTo(x2,y2);\
		6399	};\
		6400	for(var p = 1; p <= 60 ; p++){\
		6401	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6402	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6403	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6404	clock_ctx.moveTo(x1,y1);\
		6405	clock_ctx.lineTo(x2,y2);\
		6406	};\
		6407	clock_ctx.closePath();\
		6408	clock_ctx.stroke();\
		6409	break;\
		6410	case 1:\
		6411	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	6412	case 2:\
		6413	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	6414	clock_ctx.beginPath();\
		6415	for(var p = 1; p <= 12 ; p++){\
		6416	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6417	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6418	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6419	clock_ctx.moveTo(x1,y1);\
		6420	clock_ctx.lineTo(x2,y2);\
		6421	};\
		6422	for(var p = 1; p <= 60 ; p++){\
		6423	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6424	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6425	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6426	clock_ctx.moveTo(x1,y1);\
		6427	clock_ctx.lineTo(x2,y2);\
		6428	};\
		6429	clock_ctx.closePath();\
		6430	clock_ctx.stroke();\
		6431	break;\
		6432	};\
		6433	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6434	clock_ctx.rotate(angle);\
		6435	clock_ctx.beginPath();\
		6436	clock_ctx.moveTo(-3, -2);\
		6437	clock_ctx.lineTo(-3, 2);\
		6438	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6439	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6440	clock_ctx.fillStyle = this.H_color;\
		6441	clock_ctx.fill();\
		6442	clock_ctx.rotate(-angle);\
		6443	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6444	clock_ctx.rotate(angle);\
		6445	clock_ctx.beginPath();\
		6446	clock_ctx.moveTo(-3, -2);\
		6447	clock_ctx.lineTo(-3, 2);\
		6448	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6449	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6450	clock_ctx.fillStyle = this.M_color;\
		6451	clock_ctx.fill();\
		6452	clock_ctx.rotate(-angle);\
		6453	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6454	clock_ctx.rotate(angle);\
		6455	clock_ctx.beginPath();\
		6456	clock_ctx.moveTo(0,0);\
		6457	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6458	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6459	clock_ctx.strokeStyle = this.S_color;\
		6460	clock_ctx.stroke();\
		6461	clock_ctx.restore();\
7653	schaersvoo	6462	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6463	break;
		6464
		6465	case DRAW_LATTICE:
		6466	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6467	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	6468	var obj;\
		6469	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6470	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6471	}\
		6472	else\
		6473	{\
		6474	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6475	};\
		6476	var ctx = obj.getContext(\"2d\");\
		6477	ctx.save();\
8071	schaersvoo	6478	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6479	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6480	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6481	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6482	var radius = line_width;\
		6483	var x = 0;\
		6484	var y = 0;\
		6485	var x_step_px = xsize/(xmax-xmin);\
		6486	var y_step_px = ysize/(ymax-ymin);\
		6487	var xv1 = dx1*x_step_px;\
		6488	var yv1 = dy1*y_step_px;\
		6489	var xv2 = dx2*x_step_px;\
		6490	var yv2 = dy2*y_step_px;\
		6491	for(var p = 0; p < n1 ;p++){\
		6492	x = p*xv1 + x0;\
		6493	y = p*yv1 + y0;\
		6494	for(var c = 0; c < n2 ; c++){\
		6495	ctx.beginPath();\
		6496	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6497	ctx.fill();\
		6498	ctx.stroke();\
		6499	ctx.closePath();\
		6500	};\
		6501	};\
		6502	ctx.restore();\
		6503	return;\
7653	schaersvoo	6504	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6505	break;
7735	schaersvoo	6506	case DRAW_XYLOGSCALE:
		6507	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6508	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	6509	var obj;\
		6510	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6511	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6512	}\
		6513	else\
		6514	{\
		6515	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6516	};\
		6517	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6518	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6519	ctx.save();\
7739	schaersvoo	6520	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6521	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6522	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6523	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6524	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6525	if(use_axis_numbering == 1){\
7956	schaersvoo	6526	ctx.font = font_family;\
		6527	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6528	ymarge = parseInt(1.5*font_size);\
		6529	ctx.save();\
		6530	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6531	ctx.rect(0,0,xmarge,ysize);\
		6532	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6533	ctx.fill();\
		6534	ctx.restore();\
		6535	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6536	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6537	ctx.save();\
		6538	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6539	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6540	corr = ctx.measureText(xaxislabel).width;\
		6541	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6542	ctx.restore();\
		6543	};\
7735	schaersvoo	6544	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6545	ctx.save();\
		6546	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6547	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6548	corr = ctx.measureText(yaxislabel).width;\
		6549	ctx.translate(xmarge+font_size,corr+font_size);\
		6550	ctx.rotate(-0.5*Math.PI);\
		6551	ctx.fillText(yaxislabel,0,0);\
		6552	ctx.restore();\
		6553	};\
		6554	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6555	ctx.lineWidth = line_width;\
		6556	for(var p = x_min; p <= x_max ; p++){\
		6557	num = Math.pow(xlogbase,p);\
		6558	for(var i = 1 ; i < xlogbase ; i++){\
		6559	x_e = x2px(i*num);\
7735	schaersvoo	6560	if( i == 1 ){\
7956	schaersvoo	6561	ctx.lineWidth = line_width;\
		6562	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6563	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6564	xtxt = xlogbase+'^'+p.toFixed(0);\
		6565	corr = 0.5*(ctx.measureText(xtxt).width);\
		6566	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6567	};\
7735	schaersvoo	6568	}else{\
7956	schaersvoo	6569	ctx.lineWidth = 0.2*line_width;\
		6570	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6571	};\
7738	schaersvoo	6572	if( x_e >= xmarge ){\
7956	schaersvoo	6573	ctx.beginPath();\
		6574	ctx.moveTo(x_e,0);\
		6575	ctx.lineTo(x_e,ysize - ymarge);\
		6576	ctx.stroke();\
		6577	ctx.closePath();\
7738	schaersvoo	6578	};\
7956	schaersvoo	6579	};\
		6580	};\
		6581	for(var p = y_min; p <= y_max ; p++){\
		6582	num = Math.pow(ylogbase,p);\
		6583	for(var i = 1 ; i < ylogbase ; i++){\
		6584	y_e = y2px(i*num);\
		6585	if( i == 1 ){\
		6586	ctx.lineWidth = line_width;\
7735	schaersvoo	6587	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6588	if( use_axis_numbering == 1 && p > y_min){\
		6589	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6590	};\
		6591	}else{\
		6592	ctx.lineWidth = 0.2*line_width;\
		6593	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6594	};\
		6595	ctx.beginPath();\
		6596	ctx.moveTo(xmarge,y_e);\
		6597	ctx.lineTo(xsize,y_e);\
		6598	ctx.stroke();\
		6599	ctx.closePath();\
		6600	};\
		6601	};\
7735	schaersvoo	6602	ctx.restore();\
		6603	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6604	break;
7614	schaersvoo	6605
7735	schaersvoo	6606	case DRAW_XLOGSCALE:
		6607	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6608	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	6609	var obj;\
		6610	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6611	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6612	}\
		6613	else\
		6614	{\
		6615	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6616	};\
		6617	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6618	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6619	ctx.save();\
		6620	ctx.lineWidth = line_width;\
7739	schaersvoo	6621	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6622	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6623	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6624	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6625	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6626	if(use_axis_numbering == 1){\
7956	schaersvoo	6627	ctx.font = font_family;\
		6628	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6629	ymarge = parseInt(1.5*font_size);\
		6630	ctx.save();\
		6631	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6632	ctx.rect(0,0,xmarge,ysize);\
		6633	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6634	ctx.fill();\
		6635	ctx.restore();\
		6636	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6637	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6638	ctx.save();\
		6639	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6640	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6641	corr = ctx.measureText(xaxislabel).width;\
		6642	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6643	ctx.restore();\
		6644	};\
7739	schaersvoo	6645	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6646	ctx.save();\
		6647	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6648	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6649	corr = ctx.measureText(yaxislabel).width;\
		6650	ctx.translate(xmarge+font_size,corr+font_size);\
		6651	ctx.rotate(-0.5*Math.PI);\
		6652	ctx.fillText(yaxislabel,0,0);\
		6653	ctx.restore();\
		6654	};\
		6655	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6656	ctx.lineWidth = line_width;\
		6657	for(var p = x_min; p <= x_max ; p++){\
		6658	num = Math.pow(xlogbase,p);\
		6659	for(var i = 1 ; i < xlogbase ; i++){\
		6660	x_e = x2px(i*num);\
7735	schaersvoo	6661	if( i == 1 ){\
7956	schaersvoo	6662	ctx.lineWidth = line_width;\
7739	schaersvoo	6663	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6664	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6665	xtxt = xlogbase+'^'+p.toFixed(0);\
		6666	corr = 0.5*(ctx.measureText(xtxt).width);\
		6667	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6668	};\
		6669	}else{\
7956	schaersvoo	6670	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6671	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6672	};\
7739	schaersvoo	6673	if( x_e >= xmarge ){\
7956	schaersvoo	6674	ctx.beginPath();\
		6675	ctx.moveTo(x_e,0);\
		6676	ctx.lineTo(x_e,ysize - ymarge);\
		6677	ctx.stroke();\
		6678	ctx.closePath();\
7739	schaersvoo	6679	};\
		6680	};\
7956	schaersvoo	6681	};\
7735	schaersvoo	6682	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6683	var minor_step = stepy / yminor;\
7749	schaersvoo	6684	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6685	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6686	ctx.lineWidth = line_width;\
		6687	ctx.beginPath();\
		6688	ctx.moveTo(xmarge,y);\
		6689	ctx.lineTo(xsize,y);\
		6690	ctx.stroke();\
		6691	ctx.closePath();\
7735	schaersvoo	6692	if( use_axis_numbering == 1){\
		6693	ytxt = (px2y(y)).toFixed(prec);\
		6694	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6695	};\
		6696	for(var dy = 1 ; dy < yminor ; dy++){\
		6697	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6698	ctx.lineWidth = 0.2*line_width;\
		6699	ctx.beginPath();\
7739	schaersvoo	6700	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6701	ctx.lineTo(xsize,y+dy*minor_step);\
		6702	ctx.stroke();\
		6703	ctx.closePath();\
7735	schaersvoo	6704	};\
		6705	};\
7956	schaersvoo	6706	ctx.restore();\
		6707	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6708	break;
7729	schaersvoo	6709	case DRAW_YLOGSCALE:
		6710	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6711	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	6712	var obj;\
		6713	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6714	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6715	}\
		6716	else\
		6717	{\
		6718	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6719	};\
		6720	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6721	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6722	ctx.save();\
		6723	ctx.lineWidth = line_width;\
7735	schaersvoo	6724	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6725	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6726	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6727	if(use_axis_numbering == 1){\
7956	schaersvoo	6728	ctx.font = font_family;\
		6729	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6730	ymarge = 2*font_size;\
		6731	ctx.save();\
		6732	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6733	ctx.rect(0,0,xmarge,ysize);\
		6734	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6735	ctx.fill();\
		6736	ctx.restore();\
		6737	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6738	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6739	ctx.save();\
		6740	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6741	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6742	corr = ctx.measureText(xaxislabel).width;\
		6743	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6744	ctx.restore();\
		6745	};\
7739	schaersvoo	6746	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6747	ctx.save();\
		6748	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6749	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6750	corr = ctx.measureText(yaxislabel).width;\
		6751	ctx.translate(xmarge+font_size,corr+font_size);\
		6752	ctx.rotate(-0.5*Math.PI);\
		6753	ctx.fillText(yaxislabel,0,0);\
		6754	ctx.restore();\
		6755	};\
		6756	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6757	ctx.lineWidth = line_width;\
		6758	for(var p = y_min; p <= y_max ; p++){\
		6759	num = Math.pow(ylogbase,p);\
		6760	for(var i = 1 ; i < ylogbase ; i++){\
		6761	y_e = y2px(i*num);\
7729	schaersvoo	6762	if( i == 1 ){\
7956	schaersvoo	6763	ctx.lineWidth = line_width;\
7729	schaersvoo	6764	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6765	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6766	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6767	};\
		6768	}else{\
7956	schaersvoo	6769	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6770	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6771	};\
7956	schaersvoo	6772	ctx.beginPath();\
		6773	ctx.moveTo(xmarge,y_e);\
		6774	ctx.lineTo(xsize,y_e);\
		6775	ctx.stroke();\
		6776	ctx.closePath();\
		6777	};\
		6778	};\
7729	schaersvoo	6779	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6780	var minor_step = stepx / xminor;\
		6781	var prec = Math.log(precision)/Math.log(10);\
		6782	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6783	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6784	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6785	ctx.lineWidth = line_width;\
		6786	ctx.beginPath();\
		6787	ctx.moveTo(x,ysize-ymarge);\
		6788	ctx.lineTo(x,0);\
		6789	ctx.stroke();\
		6790	ctx.closePath();\
7729	schaersvoo	6791	if( use_axis_numbering == 1){\
		6792	xtxt = (px2x(x)).toFixed(prec);\
		6793	corr = 0.5*(ctx.measureText(xtxt).width);\
		6794	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6795	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6796	};\
		6797	for(var dx = 1 ; dx < xminor ; dx++){\
		6798	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6799	ctx.lineWidth = 0.2*line_width;\
		6800	ctx.beginPath();\
7739	schaersvoo	6801	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6802	ctx.lineTo(x+dx*minor_step,0);\
		6803	ctx.stroke();\
		6804	ctx.closePath();\
7735	schaersvoo	6805	};\
		6806	};\
7956	schaersvoo	6807	ctx.restore();\
		6808	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6809	break;
7614	schaersvoo	6810	default:break;
		6811	}
		6812	}
		6813	}
		6814	return;
		6815	}
		6816
		6817	void check_string_length(int L){
		6818	if(L<1 \|\| L > MAX_BUFFER-1){
		6819	canvas_error("problem with your arguments to command...");
		6820	}
		6821	return;
		6822	}
		6823
		6824
		6825	int get_token(FILE *infile){
		6826	int c,i=0;
		6827	char temp[MAX_INT], *input_type;
		6828	char *line="line",
		6829	*audio="audio",
		6830	*blink="blink",
		6831	*arrowhead="arrowhead",
		6832	*crosshairsize="crosshairsize",
		6833	*crosshair="crosshair",
		6834	*crosshairs="crosshairs",
		6835	*audioobject="audioobject",
		6836	*style="style",
		6837	*mouse="mouse",
7991	schaersvoo	6838	*mousex="mousex",
		6839	*mousey="mousey",
8071	schaersvoo	6840	*mouse_display="display",
		6841	*mouse_degree="mouse_degree",
7614	schaersvoo	6842	*userdraw="userdraw",
		6843	*highlight="highlight",
		6844	*http="http",
		6845	*rays="rays",
		6846	*dashtype="dashtype",
		6847	*dashed="dashed",
		6848	*filled="filled",
		6849	*lattice="lattice",
		6850	*parallel="parallel",
		6851	*segment="segment",
8299	schaersvoo	6852	*segments="segments",
7614	schaersvoo	6853	*dsegment="dsegment",
		6854	*seg="seg",
		6855	*bgimage="bgimage",
		6856	*bgcolor="bgcolor",
		6857	*strokecolor="strokecolor",
		6858	*backgroundimage="backgroundimage",
		6859	*text="text",
		6860	*textup="textup",
		6861	*mouseprecision="mouseprecision",
		6862	*precision="precision",
		6863	*plotsteps="plotsteps",
		6864	*plotstep="plotstep",
		6865	*tsteps="tsteps",
		6866	*curve="curve",
		6867	*dcurve="dcurve",
		6868	*plot="plot",
		6869	*dplot="dplot",
7788	schaersvoo	6870	*levelcurve="levelcurve",
7614	schaersvoo	6871	*fontsize="fontsize",
		6872	*fontcolor="fontcolor",
		6873	*axis="axis",
		6874	*axisnumbering="axisnumbering",
		6875	*axisnumbers="axisnumbers",
		6876	*arrow="arrow",
		6877	*darrow="darrow",
		6878	*arrow2="arrow2",
		6879	*darrow2="darrow2",
8304	schaersvoo	6880	*arrows="arrows",
8347	schaersvoo	6881	*arrows2="arrows2",
7614	schaersvoo	6882	*zoom="zoom",
		6883	*grid="grid",
		6884	*hline="hline",
7786	schaersvoo	6885	*dhline="dhline",
7614	schaersvoo	6886	*drag="drag",
		6887	*horizontalline="horizontalline",
		6888	*vline="vline",
7786	schaersvoo	6889	*dvline="dvline",
7614	schaersvoo	6890	*verticalline="verticalline",
		6891	*triangle="triangle",
		6892	*ftriangle="ftriangle",
		6893	*mathml="mathml",
		6894	*html="html",
		6895	*input="input",
8146	schaersvoo	6896	*clearbutton="clearbutton",
7614	schaersvoo	6897	*inputstyle="inputstyle",
		6898	*textarea="textarea",
		6899	*trange="trange",
		6900	*ranget="ranget",
		6901	*xrange="xrange",
		6902	*yrange="yrange",
		6903	*rangex="rangex",
		6904	*rangey="rangey",
		6905	*polyline="polyline",
		6906	*lines="lines",
		6907	*poly="poly",
		6908	*polygon="polygon",
		6909	*fpolygon="fpolygon",
		6910	*fpoly="fpoly",
		6911	*filledpoly="filledpoly",
		6912	*filledpolygon="filledpolygon",
		6913	*rect="rect",
		6914	*frect="frect",
		6915	*rectangle="rectangle",
		6916	*frectangle="frectangle",
		6917	*square="square",
		6918	*fsquare="fsquare",
		6919	*dline="dline",
		6920	*arc="arc",
		6921	*filledarc="filledarc",
		6922	*size="size",
		6923	*string="string",
		6924	*stringup="stringup",
		6925	*copy="copy",
		6926	*copyresized="copyresized",
		6927	*opacity="opacity",
		6928	*transparent="transparent",
		6929	*fill="fill",
		6930	*point="point",
		6931	*points="points",
		6932	*linewidth="linewidth",
		6933	*circle="circle",
8304	schaersvoo	6934	*circles="circles",
7614	schaersvoo	6935	*fcircle="fcircle",
		6936	*disk="disk",
		6937	*comment="#",
		6938	*end="end",
		6939	*ellipse="ellipse",
		6940	*fellipse="fellipse",
		6941	*rotate="rotate",
7785	schaersvoo	6942	*affine="affine",
		6943	*killaffine="killaffine",
7614	schaersvoo	6944	*fontfamily="fontfamily",
		6945	*fillcolor="fillcolor",
		6946	*clicktile="clicktile",
		6947	*clicktile_colors="clicktile_colors",
		6948	*translation="translation",
		6949	*translate="translate",
		6950	*killtranslation="killtranslation",
		6951	*killtranslate="killtranslate",
		6952	*onclick="onclick",
		6953	*roundrect="roundrect",
		6954	*froundrect="froundrect",
		6955	*roundrectangle="roundrectangle",
		6956	*patternfill="patternfill",
		6957	*hatchfill="hatchfill",
		6958	*diafill="diafill",
7647	schaersvoo	6959	*diamondfill="diamondfill",
7614	schaersvoo	6960	*dotfill="dotfill",
		6961	*gridfill="gridfill",
		6962	*imagefill="imagefill",
7735	schaersvoo	6963	*xlogbase="xlogbase",
		6964	*ylogbase="ylogbase",
7614	schaersvoo	6965	*xlogscale="xlogscale",
		6966	*ylogscale="ylogscale",
		6967	*xylogscale="xylogscale",
		6968	*intooltip="intooltip",
		6969	*replyformat="replyformat",
		6970	*floodfill="floodfill",
		6971	*filltoborder="filltoborder",
		6972	*clickfill="clickfill",
		6973	*setpixel="setpixel",
		6974	*pixels="pixels",
		6975	*pixelsize="pixelsize",
		6976	*clickfillmarge="clickfillmarge",
		6977	*xaxis="xaxis",
		6978	*yaxis="yaxis",
		6979	*xaxistext="xaxistext",
		6980	*yaxistext="yaxistext",
		6981	*piechart="piechart",
		6982	*legend="legend",
		6983	*legendcolors="legendcolors",
		6984	*xlabel="xlabel",
		6985	*ylabel="ylabel",
		6986	*barchart="barchart",
		6987	*linegraph="linegraph",
		6988	*clock="clock",
		6989	*animate="animate",
		6990	*video="video",
		6991	*status="status",
7877	schaersvoo	6992	*nostatus="nostatus",
7652	schaersvoo	6993	*snaptogrid="snaptogrid",
7784	schaersvoo	6994	*xsnaptogrid="xsnaptogrid",
		6995	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6996	*userinput_xy="userinput_xy",
8193	schaersvoo	6997	*userinput_function="userinput_function",
7663	schaersvoo	6998	*usertextarea_xy="usertextarea_xy",
8222	schaersvoo	6999	*userinput="userinput",
7823	schaersvoo	7000	*jsmath="jsmath",
7858	schaersvoo	7001	*trace_jscurve="trace_jscurve",
7838	schaersvoo	7002	*setlimits="setlimits",
7858	schaersvoo	7003	*jscurve="jscurve",
		7004	*jsplot="jsplot",
7983	schaersvoo	7005	*sgraph="sgraph",
7984	schaersvoo	7006	*title="title",
7996	schaersvoo	7007	*centerstring="centerstring",
		7008	*xunit="xunit",
8071	schaersvoo	7009	*yunit="yunit",
8101	schaersvoo	7010	*slider="slider",
8105	schaersvoo	7011	*killslider="killslider",
8244	schaersvoo	7012	*angle="angle",
		7013	*halfline="halfline",
8297	schaersvoo	7014	*demiline="demiline",
		7015	*functionlabel="functionlabel";
7614	schaersvoo	7016
		7017	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		7018	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		7019	continue; /* white spaces or tabs allowed before first command identifier */
		7020	}
		7021	else
		7022	{
		7023	if( c == ' ' \|\| c == '\t' ){
		7024	break;
		7025	}
		7026	else
		7027	{
		7028	temp[i] = c;
		7029	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		7030	i++;
		7031	}
		7032	}
		7033	if(temp[0] == '#') break;
		7034	}
		7035	if (c == EOF) finished = 1;
		7036
		7037	if (c == '\n' \|\| c == '\r') {
		7038	line_number++;
		7039	if (i == 0) { return EMPTY; }
		7040	} else if (c == EOF) {
		7041	return 0;
		7042	}
		7043
		7044	temp[i]='\0';
		7045	input_type=(char*)my_newmem(strlen(temp));
		7046	snprintf(input_type,sizeof(temp),"%s",temp);
		7047
		7048	if( strcmp(input_type, size) == 0 ){
		7049	free(input_type);
		7050	return SIZE;
		7051	}
		7052	if( strcmp(input_type, xrange) == 0 ){
		7053	free(input_type);
		7054	return XRANGE;
		7055	}
		7056	if( strcmp(input_type, rangex) == 0 ){
		7057	free(input_type);
		7058	return XRANGE;
		7059	}
		7060	if( strcmp(input_type, trange) == 0 ){
		7061	free(input_type);
		7062	return TRANGE;
		7063	}
		7064	if( strcmp(input_type, ranget) == 0 ){
		7065	free(input_type);
		7066	return TRANGE;
		7067	}
		7068	if( strcmp(input_type, yrange) == 0 ){
		7069	free(input_type);
		7070	return YRANGE;
		7071	}
		7072	if( strcmp(input_type, rangey) == 0 ){
		7073	free(input_type);
		7074	return YRANGE;
		7075	}
		7076	if( strcmp(input_type, linewidth) == 0 ){
		7077	free(input_type);
		7078	return LINEWIDTH;
		7079	}
		7080	if( strcmp(input_type, dashed) == 0 ){
		7081	free(input_type);
		7082	return DASHED;
		7083	}
		7084	if( strcmp(input_type, dashtype) == 0 ){
		7085	free(input_type);
		7086	return DASHTYPE;
		7087	}
		7088	if( strcmp(input_type, axisnumbering) == 0 ){
		7089	free(input_type);
		7090	return AXIS_NUMBERING;
		7091	}
		7092	if( strcmp(input_type, axisnumbers) == 0 ){
		7093	free(input_type);
		7094	return AXIS_NUMBERING;
		7095	}
		7096	if( strcmp(input_type, axis) == 0 ){
		7097	free(input_type);
		7098	return AXIS;
		7099	}
		7100	if( strcmp(input_type, grid) == 0 ){
		7101	free(input_type);
		7102	return GRID;
		7103	}
		7104	if( strcmp(input_type, parallel) == 0 ){
		7105	free(input_type);
		7106	return PARALLEL;
		7107	}
		7108	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		7109	free(input_type);
		7110	return HLINE;
		7111	}
		7112	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		7113	free(input_type);
		7114	return VLINE;
		7115	}
		7116	if( strcmp(input_type, line) == 0 ){
		7117	free(input_type);
		7118	return LINE;
		7119	}
8299	schaersvoo	7120	if( strcmp(input_type, segments) == 0 ){
		7121	free(input_type);
		7122	return SEGMENTS;
		7123	}
7614	schaersvoo	7124	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		7125	free(input_type);
		7126	return SEGMENT;
		7127	}
		7128	if( strcmp(input_type, dsegment) == 0 ){
		7129	free(input_type);
		7130	use_dashed = TRUE;
		7131	return SEGMENT;
		7132	}
		7133	if( strcmp(input_type, crosshairsize) == 0 ){
		7134	free(input_type);
		7135	return CROSSHAIRSIZE;
		7136	}
		7137	if( strcmp(input_type, arrowhead) == 0 ){
		7138	free(input_type);
		7139	return ARROWHEAD;
		7140	}
		7141	if( strcmp(input_type, crosshairs) == 0 ){
		7142	free(input_type);
		7143	return CROSSHAIRS;
		7144	}
		7145	if( strcmp(input_type, crosshair) == 0 ){
		7146	free(input_type);
		7147	return CROSSHAIR;
		7148	}
		7149	if( strcmp(input_type, onclick) == 0 ){
		7150	free(input_type);
		7151	return ONCLICK;
		7152	}
		7153	if( strcmp(input_type, drag) == 0 ){
		7154	free(input_type);
		7155	return DRAG;
		7156	}
		7157	if( strcmp(input_type, userdraw) == 0 ){
		7158	free(input_type);
		7159	return USERDRAW;
		7160	}
		7161	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		7162	free(input_type);
		7163	return STYLE;
		7164	}
		7165	if( strcmp(input_type, fillcolor) == 0 ){
		7166	free(input_type);
		7167	return FILLCOLOR;
		7168	}
		7169	if( strcmp(input_type, strokecolor) == 0 ){
		7170	free(input_type);
		7171	return STROKECOLOR;
		7172	}
		7173	if( strcmp(input_type, filled) == 0 ){
		7174	free(input_type);
		7175	return FILLED;
		7176	}
		7177	if( strcmp(input_type, http) == 0 ){
		7178	free(input_type);
		7179	return HTTP;
		7180	}
		7181	if( strcmp(input_type, rays) == 0 ){
		7182	free(input_type);
		7183	return RAYS;
		7184	}
		7185	if( strcmp(input_type, lattice) == 0 ){
		7186	free(input_type);
		7187	return LATTICE;
		7188	}
		7189	if( strcmp(input_type, bgimage) == 0 ){
		7190	free(input_type);
		7191	return BGIMAGE;
		7192	}
		7193	if( strcmp(input_type, bgcolor) == 0 ){
		7194	free(input_type);
		7195	return BGCOLOR;
		7196	}
		7197	if( strcmp(input_type, backgroundimage) == 0 ){
		7198	free(input_type);
		7199	return BGIMAGE;
		7200	}
		7201	if( strcmp(input_type, text) == 0 ){
		7202	free(input_type);
		7203	return FLY_TEXT;
		7204	}
		7205	if( strcmp(input_type, textup) == 0 ){
		7206	free(input_type);
		7207	return FLY_TEXTUP;
		7208	}
		7209	if( strcmp(input_type, mouse) == 0 ){
		7210	free(input_type);
		7211	return MOUSE;
		7212	}
7991	schaersvoo	7213	if( strcmp(input_type, mousex) == 0 ){
		7214	free(input_type);
		7215	return MOUSEX;
		7216	}
		7217	if( strcmp(input_type, mousey) == 0 ){
		7218	free(input_type);
		7219	return MOUSEY;
		7220	}
8071	schaersvoo	7221	if( strcmp(input_type, mouse_degree) == 0 ){
		7222	free(input_type);
		7223	return MOUSE_DEGREE;
		7224	}
		7225	if( strcmp(input_type, mouse_display) == 0 ){
		7226	free(input_type);
		7227	return MOUSE_DISPLAY;
		7228	}
7614	schaersvoo	7229	if( strcmp(input_type, mouseprecision) == 0 ){
		7230	free(input_type);
		7231	return MOUSE_PRECISION;
		7232	}
		7233	if( strcmp(input_type, precision) == 0 ){
		7234	free(input_type);
		7235	return MOUSE_PRECISION;
		7236	}
		7237	if( strcmp(input_type, curve) == 0 ){
		7238	free(input_type);
		7239	return CURVE;
		7240	}
		7241	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	7242	use_dashed = TRUE;
7614	schaersvoo	7243	free(input_type);
		7244	return CURVE;
		7245	}
		7246	if( strcmp(input_type, plot) == 0 ){
		7247	free(input_type);
		7248	return CURVE;
		7249	}
		7250	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	7251	use_dashed = TRUE;
7614	schaersvoo	7252	free(input_type);
		7253	return CURVE;
		7254	}
7788	schaersvoo	7255	if( strcmp(input_type, levelcurve) == 0 ){
		7256	free(input_type);
		7257	return LEVELCURVE;
		7258	}
7614	schaersvoo	7259	if( strcmp(input_type, plotsteps) == 0 ){
		7260	free(input_type);
		7261	return PLOTSTEPS;
		7262	}
		7263	if( strcmp(input_type, plotstep) == 0 ){
		7264	free(input_type);
		7265	return PLOTSTEPS;
		7266	}
		7267	if( strcmp(input_type, tsteps) == 0 ){
		7268	free(input_type);
		7269	return PLOTSTEPS;
		7270	}
		7271	if( strcmp(input_type, fontsize) == 0 ){
		7272	free(input_type);
		7273	return FONTSIZE;
		7274	}
		7275	if( strcmp(input_type, fontcolor) == 0 ){
		7276	free(input_type);
		7277	return FONTCOLOR;
		7278	}
		7279	if( strcmp(input_type, arrow2) == 0 ){
		7280	free(input_type);
		7281	return ARROW2;
		7282	}
		7283	if( strcmp(input_type, darrow) == 0 ){
		7284	free(input_type);
8071	schaersvoo	7285	use_dashed = TRUE;
7614	schaersvoo	7286	return ARROW;
		7287	}
		7288	if( strcmp(input_type, darrow2) == 0 ){
		7289	free(input_type);
		7290	use_dashed = TRUE;
		7291	return ARROW2;
		7292	}
8347	schaersvoo	7293	if( strcmp(input_type, arrows2) == 0 ){
		7294	free(input_type);
		7295	return ARROWS2;
		7296	}
8304	schaersvoo	7297	if( strcmp(input_type, arrows) == 0 ){
		7298	free(input_type);
		7299	return ARROWS;
		7300	}
		7301	if( strcmp(input_type, arrow) == 0 ){
		7302	free(input_type);
		7303	return ARROW;
		7304	}
7614	schaersvoo	7305	if( strcmp(input_type, zoom) == 0 ){
		7306	free(input_type);
		7307	return ZOOM;
		7308	}
		7309	if( strcmp(input_type, triangle) == 0 ){
		7310	free(input_type);
		7311	return TRIANGLE;
		7312	}
		7313	if( strcmp(input_type, ftriangle) == 0 ){
		7314	free(input_type);
		7315	use_filled = TRUE;
		7316	return TRIANGLE;
		7317	}
		7318	if( strcmp(input_type, input) == 0 ){
		7319	free(input_type);
		7320	return INPUT;
		7321	}
		7322	if( strcmp(input_type, inputstyle) == 0 ){
		7323	free(input_type);
		7324	return INPUTSTYLE;
		7325	}
		7326	if( strcmp(input_type, textarea) == 0 ){
		7327	free(input_type);
		7328	return TEXTAREA;
		7329	}
		7330	if( strcmp(input_type, mathml) == 0 ){
		7331	free(input_type);
		7332	return MATHML;
		7333	}
		7334	if( strcmp(input_type, html) == 0 ){
		7335	free(input_type);
		7336	return MATHML;
		7337	}
		7338	if( strcmp(input_type, fontfamily) == 0 ){
		7339	free(input_type);
		7340	return FONTFAMILY;
		7341	}
		7342	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		7343	free(input_type);
		7344	return POLYLINE;
		7345	}
		7346	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		7347	free(input_type);
		7348	return RECT;
		7349	}
		7350	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		7351	free(input_type);
		7352	return ROUNDRECT;
		7353	}
		7354	if( strcmp(input_type, froundrect) == 0 ){
		7355	free(input_type);
		7356	use_filled = TRUE;
		7357	return ROUNDRECT;
		7358	}
		7359	if( strcmp(input_type, square) == 0 ){
		7360	free(input_type);
		7361	return SQUARE;
		7362	}
		7363	if( strcmp(input_type, fsquare) == 0 ){
		7364	free(input_type);
		7365	use_filled = TRUE;
		7366	return SQUARE;
		7367	}
		7368	if( strcmp(input_type, dline) == 0 ){
		7369	use_dashed = TRUE;
		7370	free(input_type);
		7371	return LINE;
		7372	}
7786	schaersvoo	7373	if( strcmp(input_type, dvline) == 0 ){
		7374	use_dashed = TRUE;
		7375	free(input_type);
		7376	return VLINE;
		7377	}
		7378	if( strcmp(input_type, dhline) == 0 ){
		7379	use_dashed = TRUE;
		7380	free(input_type);
		7381	return HLINE;
		7382	}
7614	schaersvoo	7383	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		7384	use_filled = TRUE;
		7385	free(input_type);
		7386	return RECT;
		7387	}
8304	schaersvoo	7388	if( strcmp(input_type, circles) == 0 ){
		7389	free(input_type);
		7390	return CIRCLES;
		7391	}
7614	schaersvoo	7392	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		7393	use_filled = TRUE;
		7394	free(input_type);
		7395	return CIRCLE;
		7396	}
		7397	if( strcmp(input_type, circle) == 0 ){
		7398	free(input_type);
		7399	return CIRCLE;
		7400	}
		7401	if( strcmp(input_type, point) == 0 ){
		7402	free(input_type);
		7403	return POINT;
		7404	}
		7405	if( strcmp(input_type, points) == 0 ){
		7406	free(input_type);
		7407	return POINTS;
		7408	}
		7409	if( strcmp(input_type, filledarc) == 0 ){
		7410	use_filled = TRUE;
		7411	free(input_type);
		7412	return ARC;
		7413	}
		7414	if( strcmp(input_type, arc) == 0 ){
		7415	free(input_type);
		7416	return ARC;
		7417	}
		7418	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7419	free(input_type);
		7420	return POLY;
		7421	}
		7422	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7423	use_filled = TRUE;
		7424	free(input_type);
		7425	return POLY;
		7426	}
		7427	if( strcmp(input_type, ellipse) == 0){
		7428	free(input_type);
		7429	return ELLIPSE;
		7430	}
		7431	if( strcmp(input_type, fill) == 0 ){
		7432	free(input_type);
		7433	return FLOODFILL;
		7434	}
		7435	if( strcmp(input_type, string) == 0 ){
		7436	free(input_type);
		7437	return STRING;
		7438	}
		7439	if( strcmp(input_type, stringup) == 0 ){
		7440	free(input_type);
		7441	return STRINGUP;
		7442	}
		7443	if( strcmp(input_type, opacity) == 0 ){
		7444	free(input_type);
		7445	return OPACITY;
		7446	}
		7447	if( strcmp(input_type, comment) == 0){
		7448	free(input_type);
		7449	return COMMENT;
		7450	}
		7451	if( strcmp(input_type, end) == 0){
		7452	free(input_type);
		7453	return END;
		7454	}
		7455	if( strcmp(input_type, fellipse) == 0){
		7456	free(input_type);
		7457	use_filled = TRUE;
		7458	return ELLIPSE;
8224	bpr	7459	}
7614	schaersvoo	7460	if( strcmp(input_type, blink) == 0 ){
		7461	free(input_type);
		7462	return BLINK;
		7463	}
8146	schaersvoo	7464	if( strcmp(input_type, clearbutton) == 0){
7614	schaersvoo	7465	free(input_type);
8146	schaersvoo	7466	return CLEARBUTTON;
7614	schaersvoo	7467	}
		7468	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7469	free(input_type);
		7470	return TRANSLATION;
		7471	}
		7472	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7473	free(input_type);
		7474	return KILLTRANSLATION;
		7475	}
		7476	if( strcmp(input_type, rotate) == 0){
		7477	free(input_type);
		7478	return ROTATE;
		7479	}
7785	schaersvoo	7480	if( strcmp(input_type, affine) == 0){
		7481	free(input_type);
		7482	return AFFINE;
		7483	}
		7484	if( strcmp(input_type, killaffine) == 0){
		7485	free(input_type);
		7486	return KILLAFFINE;
		7487	}
7614	schaersvoo	7488	if( strcmp(input_type, audio) == 0 ){
		7489	free(input_type);
		7490	return AUDIO;
		7491	}
		7492	if( strcmp(input_type, audioobject) == 0 ){
		7493	free(input_type);
		7494	return AUDIOOBJECT;
		7495	}
		7496	if( strcmp(input_type, slider) == 0 ){
		7497	free(input_type);
		7498	return SLIDER;
		7499	}
8101	schaersvoo	7500	if( strcmp(input_type, killslider) == 0 ){
		7501	free(input_type);
		7502	return KILLSLIDER;
		7503	}
7614	schaersvoo	7504	if( strcmp(input_type, copy) == 0 ){
		7505	free(input_type);
		7506	return COPY;
		7507	}
		7508	if( strcmp(input_type, copyresized) == 0 ){
		7509	free(input_type);
		7510	return COPYRESIZED;
		7511	}
		7512	if( strcmp(input_type, patternfill) == 0 ){
		7513	free(input_type);
		7514	return PATTERNFILL;
		7515	}
		7516	if( strcmp(input_type, hatchfill) == 0 ){
		7517	free(input_type);
		7518	return HATCHFILL;
		7519	}
7647	schaersvoo	7520	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7521	free(input_type);
7647	schaersvoo	7522	return DIAMONDFILL;
7614	schaersvoo	7523	}
		7524	if( strcmp(input_type, dotfill) == 0 ){
		7525	free(input_type);
		7526	return DOTFILL;
		7527	}
		7528	if( strcmp(input_type, gridfill) == 0 ){
		7529	free(input_type);
		7530	return GRIDFILL;
		7531	}
		7532	if( strcmp(input_type, imagefill) == 0 ){
		7533	free(input_type);
		7534	return IMAGEFILL;
		7535	}
		7536	if( strcmp(input_type, clicktile_colors) == 0 ){
		7537	free(input_type);
		7538	return CLICKTILE_COLORS;
		7539	}
		7540	if( strcmp(input_type, clicktile) == 0 ){
		7541	free(input_type);
		7542	return CLICKTILE;
		7543	}
		7544	if( strcmp(input_type, xlogscale) == 0 ){
		7545	free(input_type);
		7546	return XLOGSCALE;
		7547	}
		7548	if( strcmp(input_type, ylogscale) == 0 ){
		7549	free(input_type);
		7550	return YLOGSCALE;
		7551	}
		7552	if( strcmp(input_type, xylogscale) == 0 ){
		7553	free(input_type);
		7554	return XYLOGSCALE;
		7555	}
		7556	if( strcmp(input_type, ylogscale) == 0 ){
		7557	free(input_type);
		7558	return YLOGSCALE;
		7559	}
7735	schaersvoo	7560	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7561	free(input_type);
7735	schaersvoo	7562	return XLOGBASE;
7614	schaersvoo	7563	}
7735	schaersvoo	7564	if( strcmp(input_type, ylogbase) == 0 ){
		7565	free(input_type);
		7566	return YLOGBASE;
		7567	}
7614	schaersvoo	7568	if( strcmp(input_type, intooltip) == 0 ){
		7569	free(input_type);
		7570	return INTOOLTIP;
		7571	}
		7572	if( strcmp(input_type,video) == 0 ){
		7573	free(input_type);
		7574	return VIDEO;
		7575	}
		7576	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7577	free(input_type);
		7578	return FLOODFILL;
8224	bpr	7579	}
7614	schaersvoo	7580	if( strcmp(input_type,filltoborder) == 0 ){
		7581	free(input_type);
		7582	return FILLTOBORDER;
8224	bpr	7583	}
7614	schaersvoo	7584	if( strcmp(input_type,clickfill) == 0 ){
		7585	free(input_type);
		7586	return CLICKFILL;
8224	bpr	7587	}
7614	schaersvoo	7588	if( strcmp(input_type, replyformat) == 0 ){
		7589	free(input_type);
		7590	return REPLYFORMAT;
		7591	}
		7592	if( strcmp(input_type, pixelsize) == 0 ){
		7593	free(input_type);
		7594	return PIXELSIZE;
		7595	}
		7596	if( strcmp(input_type, setpixel) == 0 ){
		7597	free(input_type);
		7598	return SETPIXEL;
		7599	}
		7600	if( strcmp(input_type, pixels) == 0 ){
		7601	free(input_type);
		7602	return PIXELS;
		7603	}
		7604	if( strcmp(input_type, clickfillmarge) == 0 ){
		7605	free(input_type);
		7606	return CLICKFILLMARGE;
		7607	}
		7608	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7609	free(input_type);
		7610	return X_AXIS_STRINGS;
		7611	}
		7612	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7613	free(input_type);
		7614	return Y_AXIS_STRINGS;
		7615	}
		7616	if( strcmp(input_type, piechart) == 0 ){
		7617	free(input_type);
		7618	return PIECHART;
		7619	}
		7620	if( strcmp(input_type, barchart) == 0 ){
		7621	free(input_type);
		7622	return BARCHART;
		7623	}
		7624	if( strcmp(input_type, linegraph) == 0 ){
		7625	free(input_type);
		7626	return LINEGRAPH;
		7627	}
		7628	if( strcmp(input_type, clock) == 0 ){
		7629	free(input_type);
		7630	return CLOCK;
		7631	}
		7632	if( strcmp(input_type, legend) == 0 ){
		7633	free(input_type);
		7634	return LEGEND;
		7635	}
		7636	if( strcmp(input_type, legendcolors) == 0 ){
		7637	free(input_type);
		7638	return LEGENDCOLORS;
		7639	}
		7640	if( strcmp(input_type, xlabel) == 0 ){
		7641	free(input_type);
		7642	return XLABEL;
		7643	}
		7644	if( strcmp(input_type, ylabel) == 0 ){
		7645	free(input_type);
		7646	return YLABEL;
		7647	}
		7648	if( strcmp(input_type, animate) == 0 ){
		7649	free(input_type);
		7650	return ANIMATE;
		7651	}
		7652	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7653	if( strcmp(input_type, transparent) == 0 ){
		7654	free(input_type);
		7655	return TRANSPARENT;
		7656	}
7877	schaersvoo	7657	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7658	free(input_type);
		7659	return STATUS;
		7660	}
		7661	if( strcmp(input_type, snaptogrid) == 0 ){
		7662	free(input_type);
		7663	return SNAPTOGRID;
		7664	}
7784	schaersvoo	7665	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7666	free(input_type);
		7667	return XSNAPTOGRID;
		7668	}
		7669	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7670	free(input_type);
		7671	return YSNAPTOGRID;
		7672	}
7652	schaersvoo	7673	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7674	free(input_type);
7652	schaersvoo	7675	return USERINPUT_XY;
		7676	}
8193	schaersvoo	7677	if( strcmp(input_type, userinput_function) == 0 ){
		7678	free(input_type);
		7679	return USERINPUT_FUNCTION;
		7680	}
7663	schaersvoo	7681	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7682	free(input_type);
		7683	return USERTEXTAREA_XY;
		7684	}
8222	schaersvoo	7685	if( strcmp(input_type, userinput) == 0 ){
		7686	free(input_type);
		7687	return USERINPUT;
		7688	}
7654	schaersvoo	7689	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7690	free(input_type);
7654	schaersvoo	7691	return SGRAPH;
		7692	}
7823	schaersvoo	7693	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7694	free(input_type);
7823	schaersvoo	7695	return JSMATH;
		7696	}
7858	schaersvoo	7697	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7698	free(input_type);
7858	schaersvoo	7699	return TRACE_JSCURVE;
7823	schaersvoo	7700	}
7858	schaersvoo	7701	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7702	free(input_type);
		7703	return JSCURVE;
		7704	}
7984	schaersvoo	7705	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7706	free(input_type);
		7707	return CENTERSTRING;
		7708	}
7838	schaersvoo	7709	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7710	free(input_type);
7838	schaersvoo	7711	return SETLIMITS;
		7712	}
7996	schaersvoo	7713	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7714	free(input_type);
7996	schaersvoo	7715	return XUNIT;
		7716	}
		7717	if( strcmp(input_type, yunit) == 0 ){
		7718	free(input_type);
		7719	return YUNIT;
		7720	}
8105	schaersvoo	7721	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7722	free(input_type);
8105	schaersvoo	7723	return ANGLE;
		7724	}
8244	schaersvoo	7725	if( strcmp(input_type, halfline) == 0 \|\| strcmp(input_type, demiline) == 0 ){
8105	schaersvoo	7726	free(input_type);
8244	schaersvoo	7727	return HALFLINE;
		7728	}
8297	schaersvoo	7729	if( strcmp(input_type, functionlabel) == 0 ){
8244	schaersvoo	7730	free(input_type);
8297	schaersvoo	7731	return FUNCTION_LABEL;
		7732	}
		7733	free(input_type);
7614	schaersvoo	7734	ungetc(c,infile);
		7735	return 0;
		7736	}
7856	schaersvoo	7737

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8347