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

Rev	Author	Line No.	Line
7614	schaersvoo	1	/*
		2	27/7/2013 version 0.01
		3	"Inspired" by FLY program: http://martin.gleeson.com/fly
		4	*********************************************************************************
		5	* J.M. Evers 7/2013 *
		6	* This is all just amateur scriblings... So no copyrights. *
		7	* This source code file, and compiled objects derived from it, *
		8	* can be used and distributed without restriction, including for commercial use *
		9	* No warrenty whatsoever *
		10	*********************************************************************************
		11	*/
7856	schaersvoo	12
7848	bpr	13	#include "../../Lib/libwims.h"
		14	#include "canvasdraw.h"
7842	bpr	15	#include <assert.h>
7848	bpr	16	#include "canvasmacro.c"
7614	schaersvoo	17
		18	/******************************************************************************
		19	** Internal Functions
		20	******************************************************************************/
		21	void add_to_buffer(char tmp); / add tmp_buffer to the buffer */
		22	void sync_input(FILE infile);/ proceed with inputfile */
		23	void canvas_error(char *msg);
		24	void add_javascript_functions(int js_functions[], int canvas_root_id);
		25	void reset();/* reset some global variables like "use_filled" , "use_dashed" */
		26	int get_token(FILE infile); / read next char until EOL*/
		27	int x2px(double x);
		28	int y2px(double y);
		29	double px2x(int x);
		30	double px2y(int y);
7906	schaersvoo	31	double get_real(FILE infile,int last); / read a value; calculation and symbols allowed */
7614	schaersvoo	32	char str_replace ( const char word, const char sub_word, const char rep_word );
		33	char get_color(FILE infile,int last); /* read hex-color or colorname -> hex */
7906	schaersvoo	34	char get_string(FILE infile,int last); /* get the string at the end of a command */
7614	schaersvoo	35	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		36	char convert_hex2rgb(char hexcolor);
8074	schaersvoo	37	void add_read_canvas(int reply_format,int reply_precision);
7614	schaersvoo	38	void make_js_include(int canvas_root_id);
		39	void check_string_length(int length);/* checks if the length of string argument of command is correct */
7956	schaersvoo	40	FILE *js_include_file;
7614	schaersvoo	41	FILE get_file(int line_number, char **filename);
		42	FILE infile; / will be stdin */
		43	/******************************************************************************
		44	** global
		45	******************************************************************************/
		46	int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
		47	int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
		48	/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
		49	int xsize = 320;
		50	int ysize = 320;
		51	double xmin = 0.0;
		52	double xmax = 320.0;
		53	double ymin = 0.0;
		54	double ymax = 320.0;
		55	double tmax = 2;
		56	double tmin = -2;
		57	/* flag to indicate parsing of line status */
7956	schaersvoo	58	int done = FALSE;
7614	schaersvoo	59	int type; /* eg command number */
		60	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
8097	schaersvoo	61	int slider = 0;/* slider=1 : x-values ; slider=2 : y-values;slider=3 angle values */
7785	schaersvoo	62	int use_affine = FALSE;
7614	schaersvoo	63	int use_rotate = FALSE;
		64	int use_filled = FALSE;
		65	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
8097	schaersvoo	66
7614	schaersvoo	67	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		68
		69	/******************************************************************************
		70	** Main Program
		71	******************************************************************************/
		72	int main(int argc, char *argv[]){
		73	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		74	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		75	infile = stdin;/* read flyscript via stdin */
		76	int i,c;
		77	double double_data[MAX_INT+1];
		78	int int_data[MAX_INT+1];
		79	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		80	int use_parametric = FALSE;/* will be reset after parametric plotting */
		81	int use_axis = FALSE;
		82	int use_axis_numbering = FALSE;
7797	schaersvoo	83	int use_pan_and_zoom = FALSE;
7956	schaersvoo	84	int use_safe_eval = FALSE; /* if true, add just once : js function to evaluate userinput values for plotting etc */
7858	schaersvoo	85	int use_js_math = FALSE; /* if true add js-function to convert math_function --> javascript math_function */
		86	int use_js_plot = FALSE; /* if true , let js-engine plot the curve */
7614	schaersvoo	87	int line_width = 1;
		88	int decimals = 2;
		89	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		90	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		91	int drag_type = -1;/* 0,1,2 : xy,x,y */
		92	int use_tooltip = FALSE;
		93	char *tooltip_text = "Click here";
		94	char temp = ""; / */
		95	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		96	char *stroke_color = "255,0,0";
		97	char *fill_color = "0,255,0";
		98	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		99	char *font_color = "#00000";
		100	char *draw_type = "points";
		101	char *fly_font = "normal";
		102	char *input_style = "";
		103	char *flytext = "";
7785	schaersvoo	104	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	105	int pixelsize = 1;
		106	int reply_format = 0;
		107	int input_cnt = 0;
		108	int ext_img_cnt = 0;
8071	schaersvoo	109	int slider_cnt = 0;
7614	schaersvoo	110	int font_size = 12;
8071	schaersvoo	111	int dashtype[2] = { 4 , 4 };
7614	schaersvoo	112	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		113	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		114	int arrow_head = 8; /* size in px*/
7833	schaersvoo	115	int crosshair_size = 5; /* size in px*/
7956	schaersvoo	116	int plot_steps = 250;
7983	schaersvoo	117	int found_size_command = 0; /* 1 = found size ; 2 = found xrange; 3 = found yrange*/
7614	schaersvoo	118	int click_cnt = 1;
		119	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		120	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
7989	schaersvoo	121	int barchart_cnt = 0; /* identifier for command 'barchart' ; multiple charts may be plotted in a single plot*/
7956	schaersvoo	122	int legend_cnt = -1; /* to allow multiple legends to be used, for multiple piecharts etc */
8074	schaersvoo	123	int reply_precision = 100; /* used for precision of student answers / drawings */
7614	schaersvoo	124	double angle = 0.0;
		125	int clickfillmarge = 20;
		126	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	127	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
8112	schaersvoo	128	int use_slider_display = 0; /* in case of a slider, should we display it's value ?*/
7614	schaersvoo	129	size_t string_length = 0;
		130	double stroke_opacity = 0.8;
		131	double fill_opacity = 0.8;
		132	char *URL = "http://localhost/images";
		133	memset(buffer,'\0',MAX_BUFFER);
		134	void *tmp_buffer = "";
7956	schaersvoo	135
7614	schaersvoo	136	/* default writing a unzipped js-include file into wims getfile directory */
		137	char *w_wims_session = getenv("w_wims_session");
7956	schaersvoo	138	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	139	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		140	}
		141	int L0=strlen(w_wims_session) + 21;
		142	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		143	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		144	mode_t process_mask = umask(0); /* check if file exists */
		145	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		146	if( result == 0 \|\| errno == EEXIST ){
		147	umask(process_mask); /* be sure to set correct permission */
7956	schaersvoo	148	char *w_session = getenv("w_session");
7614	schaersvoo	149	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		150	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
7956	schaersvoo	151	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	152	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		153	/* now write file into getfile dir*/
		154	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		155	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		156	char location = my_newmem(L2); / create memory to fit string precisely */
		157	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		158	js_include_file = fopen(location,"w");/* open the file location for writing */
		159	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		160	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		161
		162	/* ----------------------------------------------------- */
		163	/* while more lines to process */
		164
		165	while(!finished){
7983	schaersvoo	166	if(line_number>1 && found_size_command == 0){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
7614	schaersvoo	167	type = get_token(infile);
		168	done = FALSE;
		169	/*
		170	@canvasdraw
7956	schaersvoo	171	@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...)
8116	schaersvoo	172	@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>
7614	schaersvoo	173	*/
		174	switch(type){
		175	case END:
		176	finished = 1;
		177	done = TRUE;
		178	break;
		179	case 0:
		180	sync_input(infile);
		181	break;
		182	case COMMENT:
		183	sync_input(infile);
		184	break;
		185	case EMPTY:
		186	sync_input(infile);
		187	break;
		188	case SIZE:
		189	/*
		190	@size width,height
		191	@set canvas size in pixels
		192	@mandatory first command
7906	schaersvoo	193	@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	194	*/
7983	schaersvoo	195	found_size_command = 1;
7614	schaersvoo	196	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		197	ysize = (int)(abs(round(get_real(infile,1))));
		198	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		199	xmin = 0;xmax = xsize;
7647	schaersvoo	200	ymin = 0;ymax = ysize;
7614	schaersvoo	201
7956	schaersvoo	202	/*
7614	schaersvoo	203	The sequence in which stuff is finally printed is important !!
		204	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		205	*/
7997	schaersvoo	206	fprintf(stdout,"\n<script type=\"text/javascript\">var wims_status = \"$status\";</script>\n<!-- canvasdraw div and tooltip placeholder, if needed -->\n<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;margin-left:auto;margin-right:auto;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block;margin-bottom:4px;\"><span id=\"tooltip_placeholder%d\" style=\"display:none;\"></span></div>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
7614	schaersvoo	207	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		208	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
8108	schaersvoo	209	fprintf(js_include_file,"\
		210	\"use strict\";\n\
		211	var read_dragdrop;\
		212	var read_canvas;\
		213	var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
7729	schaersvoo	214	var xsize = %d;\
		215	var ysize = %d;\
7797	schaersvoo	216	var precision = 100;\
7729	schaersvoo	217	var canvas_div = document.getElementById(\"canvas_div%d\");\
8105	schaersvoo	218	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	219	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	220	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);};};\
		221	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);};};\
		222	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);};};\
		223	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	224	function scale_x_radius(rx){return rx*xsize/(xmax - xmin);};\
		225	function scale_y_radius(ry){return ry*ysize/(ymax - ymin);};\
7729	schaersvoo	226	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		227	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	228	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;};\
		229	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	230	var x_use_snap_to_grid = 0;var y_use_snap_to_grid = 0;var snap_x = 1;var snap_y = 1;\
		231	function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\
		232	function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\
7735	schaersvoo	233	var xlogbase = 10;\
		234	var ylogbase = 10;\
7729	schaersvoo	235	var use_xlogscale = 0;\
		236	var use_ylogscale = 0;\
		237	var x_strings = null;\
		238	var y_strings = null;\
		239	var use_pan_and_zoom = 0;\
7858	schaersvoo	240	var use_jsmath = 0;\
7729	schaersvoo	241	var xstart = 0;\
7996	schaersvoo	242	var ystart = 0;\
		243	var unit_x=\" \";\
		244	var unit_y=\" \";",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	245	/* default add the drag code : nearly always used ...*/
		246	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		247	break;
		248	case XRANGE:
		249	/*
		250	@ xrange xmin,xmax
7956	schaersvoo	251	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	252	*/
		253	for(i = 0 ; i<2; i++){
		254	switch(i){
		255	case 0: xmin = get_real(infile,0);break;
		256	case 1: xmax = get_real(infile,1);break;
		257	default: break;
		258	}
		259	}
		260	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		261	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
7983	schaersvoo	262	found_size_command++;
7614	schaersvoo	263	break;
		264	case YRANGE:
		265	/*
		266	@ yrange ymin,ymax
		267	@ if not given 0,ysize (eg in pixels)
		268	*/
		269	for(i = 0 ; i<2; i++){
		270	switch(i){
		271	case 0: ymin = get_real(infile,0);break;
		272	case 1: ymax = get_real(infile,1);break;
		273	default: break;
		274	}
		275	}
		276	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		277	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
7983	schaersvoo	278	found_size_command++;
7614	schaersvoo	279	break;
		280	case TRANGE:
		281	/*
		282	@ trange tmin,tmax
		283	@ default -2,2
		284	*/
		285	use_parametric = TRUE;
		286	for(i = 0 ; i<2; i++){
		287	switch(i){
		288	case 0: tmin = get_real(infile,0);break;
		289	case 1: tmax = get_real(infile,1);break;
		290	default: break;
		291	}
		292	}
		293	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		294	break;
		295	case LINEWIDTH:
		296	/*
		297	@ linewidth int
		298	@ default 1
		299	*/
		300	line_width = (int) (get_real(infile,1));
		301	break;
		302	case ARROWHEAD:
		303	/*
		304	@ arrowhead int
		305	@ default 8 (pixels)
		306	*/
		307	arrow_head = (int) (get_real(infile,1));
		308	break;
		309	case CROSSHAIRSIZE:
		310	/*
		311	@ crosshairsize int
		312	@ default 10 (px)
		313	*/
		314	crosshair_size = (int) (get_real(infile,1));
		315	break;
		316	case CROSSHAIR:
		317	/*
		318	@ crosshair x,y,color
		319	@ draw a single crosshair point at (x;y) in color 'color'
7956	schaersvoo	320	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	321	@ may be set draggable / onclick
		322	*/
		323	for(i=0;i<3;i++){
		324	switch(i){
		325	case 0: double_data[0] = get_real(infile,0);break; /* x */
		326	case 1: double_data[1] = get_real(infile,0);break; /* y */
		327	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		328	decimals = find_number_of_digits(precision);
8097	schaersvoo	329	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	330	click_cnt++;reset();
		331	break;
		332	default:break;
		333	}
		334	}
		335	break;
		336	case CROSSHAIRS:
		337	/*
		338	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		339	@ draw multiple crosshair points at given coordinates in color 'color'
7956	schaersvoo	340	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
7614	schaersvoo	341	@ may be set draggable / onclick individually (!)
		342	*/
		343	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		344	fill_color = stroke_color;
		345	i=0;
		346	while( ! done ){ /* get next item until EOL*/
		347	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		348	if(i%2 == 0 ){
		349	double_data[i] = get_real(infile,0); /* x */
		350	}
		351	else
		352	{
		353	double_data[i] = get_real(infile,1); /* y */
		354	}
		355	i++;
		356	}
		357	decimals = find_number_of_digits(precision);
		358	for(c=0 ; c < i-1 ; c = c+2){
8097	schaersvoo	359	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	360	click_cnt++;
		361	}
		362	reset();
		363	break;
		364	case POINT:
		365	/*
		366	@ point x,y,color
		367	@ draw a single point at (x;y) in color 'color'
7956	schaersvoo	368	@ use command 'linewidth int' to adust size
7614	schaersvoo	369	@ may be set draggable / onclick
7956	schaersvoo	370	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	371	*/
		372	for(i=0;i<3;i++){
		373	switch(i){
		374	case 0: double_data[0] = get_real(infile,0);break; /* x */
		375	case 1: double_data[1] = get_real(infile,0);break; /* y */
		376	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		377	decimals = find_number_of_digits(precision);
8097	schaersvoo	378	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	379	click_cnt++;break;
		380	default: break;
		381	}
		382	}
		383	reset();
		384	break;
		385	case POINTS:
		386	/*
7634	schaersvoo	387	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	388	@ draw multiple points at given coordinates in color 'color'
7956	schaersvoo	389	@ use command 'linewidth int' to adust size
7614	schaersvoo	390	@ may be set draggable / onclick individually (!)
		391	*/
		392	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		393	fill_color = stroke_color;
		394	i=0;
		395	while( ! done ){ /* get next item until EOL*/
		396	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		397	if(i%2 == 0 ){
		398	double_data[i] = get_real(infile,0); /* x */
		399	}
		400	else
		401	{
		402	double_data[i] = get_real(infile,1); /* y */
		403	}
		404	i++;
		405	}
7956	schaersvoo	406	decimals = find_number_of_digits(precision);
7614	schaersvoo	407	for(c = 0 ; c < i-1 ; c = c+2){
8097	schaersvoo	408	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	409	click_cnt++;
		410	}
		411	reset();
		412	break;
		413	case SEGMENT:
		414	/*
		415	@ segment x1,y1,x2,y2,color
		416	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		417	@ may be set draggable / onclick
		418	*/
		419	for(i=0;i<5;i++) {
		420	switch(i){
		421	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		422	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		423	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		424	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		425	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		426	decimals = find_number_of_digits(precision);
8097	schaersvoo	427	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	428	click_cnt++;reset();
		429	break;
		430	default: break;
		431	}
		432	}
		433	break;
		434	case LINE:
		435	/*
		436	@ line x1,y1,x2,y2,color
		437	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		438	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		439	@ may be set draggable / onclick
		440	*/
		441	for(i=0;i<5;i++){
		442	switch(i){
		443	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		444	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		445	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		446	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		447	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		448	if( double_data[10] == double_data[12] ){ /* vertical line*/
		449	double_data[1] = xmin;
		450	double_data[3] = ymax;
		451	double_data[0] = double_data[10];
		452	double_data[2] = double_data[10];
		453	}
		454	else
		455	{
		456	if( double_data[11] == double_data[13] ){ /* horizontal line */
		457	double_data[1] = double_data[11];
		458	double_data[3] = double_data[11];
		459	double_data[0] = ymin;
		460	double_data[2] = xmax;
		461	}
		462	else
		463	{
		464	/* m */
		465	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		466	/* q */
		467	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
7956	schaersvoo	468
7614	schaersvoo	469	/xmin,mxmin+q,xmax,mxmax+q/
7956	schaersvoo	470
7614	schaersvoo	471	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		472	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		473	double_data[0] = xmin;
		474	double_data[2] = xmax;
		475	}
		476	}
		477	decimals = find_number_of_digits(precision);
8097	schaersvoo	478	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	479	click_cnt++;reset();
		480	break;
		481	}
		482	}
		483	break;
7956	schaersvoo	484	case HLINE:
7614	schaersvoo	485	/*
		486	@ hline x,y,color
		487	@ draw a horizontal line through point (x:y) in color 'color'
		488	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		489	@ may be set draggable / onclick
		490	*/
		491	for(i=0;i<3;i++) {
		492	switch(i){
		493	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		494	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		495	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		496	double_data[3] = double_data[1];
		497	decimals = find_number_of_digits(precision);
8097	schaersvoo	498	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	499	click_cnt++;reset();
		500	break;
		501	}
		502	}
		503	break;
		504	case VLINE:
		505	/*
		506	@ vline x,y,color
		507	@ draw a vertical line through point (x:y) in color 'color'
		508	@ may be set draggable / onclick
		509	*/
		510	for(i=0;i<3;i++) {
		511	switch(i){
		512	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		513	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		514	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		515	double_data[2] = double_data[0];
		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],%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	518	click_cnt++;reset();
		519	break;
		520	}
		521	}
		522	break;
		523	case SQUARE:
		524	/*
8071	schaersvoo	525	@ square x,y,side (px) ,color
7614	schaersvoo	526	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		527	@ use command 'fsquare x,y,side,color' for a filled square
		528	@ use command/keyword 'filled' before command 'square x,y,side,color'
		529	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		530	@ may be set draggable / onclick
		531	*/
		532	for(i=0;i<5;i++){
		533	switch(i){
8071	schaersvoo	534	case 0:double_data[0] = get_real(infile,0);break; /* x1-values */
		535	case 1:double_data[1] = get_real(infile,0);break; /* y1-values */
		536	case 2:double_data[2] = (int) (get_real(infile,0));break; /* width in px */
		537	case 3:
		538	stroke_color = get_color(infile,1);/* name or hex color */
7614	schaersvoo	539	decimals = find_number_of_digits(precision);
8071	schaersvoo	540	double_data[3] = double_data[0] + (xmax - xmin)*double_data[2]/xsize;
		541	double_data[4] = double_data[1] + -1(ymax - ymin)double_data[2]/ysize;
8097	schaersvoo	542	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	543	click_cnt++;reset();
		544	break;
		545	}
		546	}
		547	break;
		548	case ROUNDRECT:
		549	/*
		550	@ roundrect x1,y1,x2,y2,radius,color
		551	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		552	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		553	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		554	@ may be set draggable / onclick
		555	*/
		556	for(i=0;i<6;i++){
		557	switch(i){
		558	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		559	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		560	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		561	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		562	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		563	case 5:stroke_color = get_color(infile,1);/* name or hex color */
8071	schaersvoo	564	/* ensure no inverted roundrect is produced... */
		565	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];}
		566	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	567	decimals = find_number_of_digits(precision);
8097	schaersvoo	568	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	569	click_cnt++;reset();
		570	break;
		571	}
		572	}
		573	break;
		574	case RECT:
		575	/*
		576	@ rect x1,y1,x2,y2,color
		577	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		578	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		579	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		580	@ may be set draggable / onclick
		581	*/
		582	for(i=0;i<5;i++){
		583	switch(i){
		584	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		585	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		586	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		587	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		588	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		589	decimals = find_number_of_digits(precision);
8097	schaersvoo	590	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	591	click_cnt++;reset();
		592	break;
		593	}
		594	}
		595	break;
		596	case POLYLINE:
		597	/*
		598	@ polyline color,x1,y1,x2,y2...x_n,y_n
		599	@ may be set draggable / onclick
		600	*/
		601	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		602	i=0;
		603	c=0;
		604	while( ! done ){ /* get next item until EOL*/
		605	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		606	for( c = 0 ; c < 2; c++){
		607	if(c == 0 ){
		608	double_data[i] = get_real(infile,0);
		609	i++;
		610	}
		611	else
		612	{
		613	double_data[i] = get_real(infile,1);
		614	i++;
		615	}
		616	}
		617	}
		618	/* draw path : not closed & not filled */
		619	decimals = find_number_of_digits(precision);
8097	schaersvoo	620	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	621	click_cnt++;reset();
		622	break;
		623	case POLY:
		624	/*
		625	@ poly color,x1,y1,x2,y2...x_n,y_n
		626	@ draw closed polygon
		627	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		628	@ may be set draggable / onclick
		629	*/
		630	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		631	i=0;
		632	c=0;
		633	while( ! done ){ /* get next item until EOL*/
		634	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		635	for( c = 0 ; c < 2; c++){
		636	if(c == 0 ){
		637	double_data[i] = get_real(infile,0);
		638	i++;
		639	}
		640	else
		641	{
		642	double_data[i] = get_real(infile,1);
		643	i++;
		644	}
		645	}
		646	}
		647	/* draw path : closed & optional filled */
		648	decimals = find_number_of_digits(precision);
8097	schaersvoo	649	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	650	click_cnt++;reset();
		651	break;
7956	schaersvoo	652	case ARC:
7614	schaersvoo	653	/*
		654	@ arc xc,yc,width,height,start_angle,end_angle,color
		655	@ can not be set "onclick" or "drag xy"
8105	schaersvoo	656	@ attention: width == height == radius in pixels
		657	@ will not zoom in or zoom out (because radius is given in pixels an not in x/y-system !). Panning will work
		658	@ use command 'angle' for scalable angle
7614	schaersvoo	659	*/
		660	for(i=0;i<7;i++){
		661	switch(i){
		662	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		663	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		664	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		665	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		666	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		667	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		668	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		669	/* in Shape library:
		670	x[0] = x[1] = xc
		671	y[0] = y[1] = yc
7956	schaersvoo	672	w[0] = w[1] = radius = width = height
		673	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	674	*/
		675	decimals = find_number_of_digits(precision);
8097	schaersvoo	676	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	677	reset();
		678	break;
		679	}
		680	}
		681	break;
8105	schaersvoo	682	case ANGLE:
		683	/*
		684	@ angle xc,yc,width,start_angle,end_angle,color
		685	@ width is in x-range
		686	@ will zoom in/out
		687	@ if size is controlled by command 'slider' use radians to set limits of slider.
		688	*/
		689	for(i=0;i<7;i++){
		690	switch(i){
		691	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		692	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		693	case 2:double_data[2] = get_real(infile,0);break; /* width in pixels ! */
		694	case 3:double_data[3] = get_real(infile,0);break; /* start angle in degrees */
		695	case 4:double_data[4] = get_real(infile,0);break; /* end angle in degrees */
		696	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		697	decimals = find_number_of_digits(precision);
		698	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);
		699	reset();
		700	break;
		701	}
		702	}
		703	break;
		704
7614	schaersvoo	705	case ELLIPSE:
		706	/*
		707	@ ellipse xc,yc,radius_x,radius_y,color
7956	schaersvoo	708	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	709	@ radius_x and radius_y are in pixels
		710	@ may be set draggable / onclick
7956	schaersvoo	711	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	712	*/
		713	for(i=0;i<5;i++){
		714	switch(i){
		715	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		716	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		717	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
7956	schaersvoo	718	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	719	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		720	decimals = find_number_of_digits(precision);
8097	schaersvoo	721	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	722	click_cnt++;reset();
		723	break;
		724	}
		725	}
		726	break;
		727	case DASHTYPE:
		728	/*
		729	@ dashtype int ,int
7956	schaersvoo	730	@ When dashed is set, the objects will be drawn with this dashtyp
7614	schaersvoo	731	@ default value "dashtype 2,2"
		732	*/
		733	for(i=0;i<2;i++){
		734	switch(i){
		735	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		736	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		737	}
		738	}
		739	break;
		740	case CIRCLE:
		741	/*
		742	@ circle xc,yc,width (2*r in pixels),color
		743	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		744	@ use command 'fillcolor color' to set the fillcolor
		745	@ may be set draggable / onclick
7956	schaersvoo	746	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	747	*/
		748	for(i=0;i<4;i++){
		749	switch(i){
		750	case 0: double_data[0] = get_real(infile,0);break; /* x */
		751	case 1: double_data[1] = get_real(infile,0);break; /* y */
8116	schaersvoo	752	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* for zoom in/out : radius in 'dx' xrange*/
7614	schaersvoo	753	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		754	decimals = find_number_of_digits(precision);
8097	schaersvoo	755	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	756	click_cnt++;reset();
		757	break;
		758	}
		759	}
		760	break;
		761	case RAYS:
		762	/*
		763	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		764	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	765	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	766	*/
		767	stroke_color=get_color(infile,0);
7786	schaersvoo	768	fill_color = stroke_color;
		769	double_data[0] = get_real(infile,0);/* xc */
		770	double_data[1] = get_real(infile,0);/* yc */
		771	i=2;
		772	while( ! done ){ /* get next item until EOL*/
		773	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		774	if(i%2 == 0 ){
		775	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	776	}
7786	schaersvoo	777	else
		778	{
		779	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	780	}
7786	schaersvoo	781	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		782	i++;
7614	schaersvoo	783	}
7956	schaersvoo	784
		785	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		786	decimals = find_number_of_digits(precision);
7786	schaersvoo	787	for(c=2; c<i;c = c+2){
7614	schaersvoo	788	click_cnt++;
8097	schaersvoo	789	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	790	}
		791	reset();
		792	break;
		793	case ARROW:
		794	/*
		795	@ arrow x1,y1,x2,y2,h,color
		796	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		797	@ use command 'linewidth int' to adjust thickness of the arrow
		798	@ may be set draggable / onclick
		799	*/
		800	for(i=0;i<6;i++){
		801	switch(i){
		802	case 0: double_data[0] = get_real(infile,0);break; /* x */
		803	case 1: double_data[1] = get_real(infile,0);break; /* y */
		804	case 2: double_data[2] = get_real(infile,0);break; /* x */
		805	case 3: double_data[3] = get_real(infile,0);break; /* y */
		806	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		807	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		808	decimals = find_number_of_digits(precision);
8097	schaersvoo	809	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	810	click_cnt++;
		811	reset();
		812	break;
		813	}
		814	}
		815	break;
		816	case ARROW2:
		817	/*
		818	@ arrow2 x1,y1,x2,y2,h,color
		819	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		820	@ use command 'arrowhead int' to adjust the arrow head size
		821	@ use command 'linewidth int' to adjust thickness of the arrow
		822	@ may be set draggable / onclick
		823	*/
		824	for(i=0;i<6;i++){
		825	switch(i){
		826	case 0: double_data[0] = get_real(infile,0);break; /* x */
		827	case 1: double_data[1] = get_real(infile,0);break; /* y */
		828	case 2: double_data[2] = get_real(infile,0);break; /* x */
		829	case 3: double_data[3] = get_real(infile,0);break; /* y */
		830	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		831	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		832	decimals = find_number_of_digits(precision);
8097	schaersvoo	833	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	834	click_cnt++;reset();
		835	break;
		836	}
		837	}
		838	break;
7956	schaersvoo	839	case PARALLEL:
7614	schaersvoo	840	/*
		841	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
7956	schaersvoo	842	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	843	*/
		844	for( i = 0;i < 8; i++ ){
		845	switch(i){
		846	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		847	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		848	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		849	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		850	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		851	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		852	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		853	case 7: 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,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	856	click_cnt++;reset();
		857	break;
		858	default: break;
		859	}
		860	}
		861	break;
		862	case TRIANGLE:
		863	/*
		864	@triangle x1,y1,x2,y2,x3,y3,color
7956	schaersvoo	865	@may be set draggable / onclic
7614	schaersvoo	866	*/
		867	for(i=0;i<7;i++){
		868	switch(i){
		869	case 0: double_data[0] = get_real(infile,0);break; /* x */
		870	case 1: double_data[1] = get_real(infile,0);break; /* y */
		871	case 2: double_data[2] = get_real(infile,0);break; /* x */
		872	case 3: double_data[3] = get_real(infile,0);break; /* y */
		873	case 4: double_data[4] = get_real(infile,0);break; /* x */
		874	case 5: double_data[5] = get_real(infile,0);break; /* y */
		875	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		876	decimals = find_number_of_digits(precision);
8097	schaersvoo	877	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	878	click_cnt++;reset();
		879	break;
		880	default: break;
		881	}
		882	}
		883	break;
		884	case LATTICE:
		885	/*
		886	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
7956	schaersvoo	887	@can not be set "onclick" or "drag xy"
7614	schaersvoo	888	*/
		889	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		890	for( i = 0; i<9; i++){
		891	switch(i){
		892	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		893	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		894	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
8071	schaersvoo	895	case 3: int_data[3] = (int) -1(get_real(infile,0));break; / y1-values -> y-pixels*/
7614	schaersvoo	896	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
8071	schaersvoo	897	case 5: int_data[5] = (int) -1(get_real(infile,0));break; / y2-values -> y-pixels*/
7614	schaersvoo	898	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		899	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		900	case 8: stroke_color=get_color(infile,1);
		901	decimals = find_number_of_digits(precision);
8071	schaersvoo	902	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	903	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	904	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	905	add_to_buffer(tmp_buffer);
		906	break;
		907	default:break;
		908	}
		909	}
		910	reset();
		911	break;
		912	case SNAPTOGRID:
		913	/*
		914	@ snaptogrid
		915	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		916	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	917	@ 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	918	*/
7881	schaersvoo	919	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;");
7614	schaersvoo	920	break;
7784	schaersvoo	921	case XSNAPTOGRID:
		922	/*
		923	@ xsnaptogrid
		924	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		925	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	926	@ 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	927	*/
7881	schaersvoo	928	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 0;");
7784	schaersvoo	929	break;
		930	case YSNAPTOGRID:
		931	/*
		932	@ ysnaptogrid
		933	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		934	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	935	@ 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	936	*/
7881	schaersvoo	937	fprintf(js_include_file,"\nx_use_snap_to_grid = 0;y_use_snap_to_grid = 1;");
7784	schaersvoo	938	break;
7663	schaersvoo	939	case USERTEXTAREA_XY:
		940	/*
		941	@ usertextarea_xy
7956	schaersvoo	942	@ keyword
7663	schaersvoo	943	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
7956	schaersvoo	944	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	945	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7956	schaersvoo	946	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	947	*/
7856	schaersvoo	948	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
7956	schaersvoo	949	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	950	use_input_xy = 2;
		951	break;
7652	schaersvoo	952	case USERINPUT_XY:
		953	/*
		954	@ userinput_xy
7956	schaersvoo	955	@ keyword
7652	schaersvoo	956	@ to be used in combination with command "userdraw object_type,color"
7956	schaersvoo	957	@ 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	958	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	959	@ 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	960	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7956	schaersvoo	961	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	962	*/
7749	schaersvoo	963	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	964	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
7956	schaersvoo	965	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7749	schaersvoo	966	use_input_xy = 1;
		967	break;
7614	schaersvoo	968	case USERDRAW:
		969	/*
		970	@ userdraw object_type,color
8116	schaersvoo	971	@ 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>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	972	@ 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	973	@ 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
		974	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	975	@ 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)
		976	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
7956	schaersvoo	977	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	978	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		979	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7956	schaersvoo	980	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	981	@ 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	982	*/
		983	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		984	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		985	}
8074	schaersvoo	986	reply_precision = precision;
7614	schaersvoo	987	use_userdraw = TRUE;
7856	schaersvoo	988	fprintf(js_include_file,"\n<!-- begin userdraw mouse events -->\nvar userdraw_x = new Array();var userdraw_y = new Array();var 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	989	draw_type = get_string_argument(infile,0);
		990	stroke_color = get_color(infile,1);
		991	if( strcmp(draw_type,"point") == 0 ){
		992	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	993	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	994	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	995	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	996	if(use_input_xy == 1){
7652	schaersvoo	997	add_input_circle(js_include_file,1,1);
		998	add_input_xy(js_include_file,canvas_root_id);
		999	}
7614	schaersvoo	1000	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);
		1001	}
		1002	else
		1003	if( strcmp(draw_type,"points") == 0 ){
		1004	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1005	if(reply_format == 0 ){reply_format = 8;}
7614	schaersvoo	1006	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
8071	schaersvoo	1007	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1008	if(use_input_xy == 1){
7652	schaersvoo	1009	add_input_circle(js_include_file,1,2);
		1010	add_input_xy(js_include_file,canvas_root_id);
		1011	}
7614	schaersvoo	1012	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);
		1013	}
		1014	else
		1015	if( strcmp(draw_type,"segment") == 0 ){
		1016	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1017	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1018	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1019	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1020	if(use_input_xy == 1){
7652	schaersvoo	1021	add_input_segment(js_include_file,1);
		1022	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1023	}
7614	schaersvoo	1024	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1025	}
		1026	else
7663	schaersvoo	1027	if( strcmp(draw_type,"polyline") == 0 ){
		1028	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7876	schaersvoo	1029	if(reply_format == 0){reply_format = 23;}
8071	schaersvoo	1030	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7780	schaersvoo	1031	if( use_input_xy == 1 ){
		1032	add_input_polyline(js_include_file);
		1033	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	1034	}
		1035	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1036	}
		1037	else
7614	schaersvoo	1038	if( strcmp(draw_type,"segments") == 0 ){
		1039	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1040	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
7876	schaersvoo	1041	if(reply_format == 0){reply_format = 11;}
8071	schaersvoo	1042	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1043	if(use_input_xy == 1){
7652	schaersvoo	1044	add_input_segment(js_include_file,2);
		1045	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1046	}
7614	schaersvoo	1047	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		1048	}
		1049	else
		1050	if( strcmp(draw_type,"circle") == 0 ){
		1051	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1052	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1053	/* 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	1054	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1055	if(use_input_xy == 1){
7652	schaersvoo	1056	add_input_circle(js_include_file,2,1);
		1057	add_input_xyr(js_include_file,canvas_root_id);
		1058	}
7614	schaersvoo	1059	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]);
		1060	}
		1061	else
		1062	if( strcmp(draw_type,"circles") == 0 ){
		1063	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
7876	schaersvoo	1064	if(reply_format == 0){reply_format = 10;}
7614	schaersvoo	1065	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1066	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	1067	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1068	if(use_input_xy == 1){
7652	schaersvoo	1069	add_input_circle(js_include_file,2,2);
		1070	add_input_xyr(js_include_file,canvas_root_id);
		1071	}
7614	schaersvoo	1072	}
		1073	else
		1074	if(strcmp(draw_type,"crosshair") == 0 ){
		1075	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1076	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1077	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1078	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1079	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1080	if(use_input_xy == 1){
7654	schaersvoo	1081	add_input_crosshair(js_include_file,1);
		1082	add_input_xy(js_include_file,canvas_root_id);
		1083	}
7614	schaersvoo	1084	}
		1085	else
		1086	if(strcmp(draw_type,"crosshairs") == 0 ){
		1087	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7876	schaersvoo	1088	if(reply_format == 0){reply_format = 8;}
7614	schaersvoo	1089	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1090	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
8071	schaersvoo	1091	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7956	schaersvoo	1092	if(use_input_xy == 1){
7654	schaersvoo	1093	add_input_crosshair(js_include_file,2);
		1094	add_input_xy(js_include_file,canvas_root_id);
		1095	}
7614	schaersvoo	1096	}
		1097	else
		1098	if(strcmp(draw_type,"freehandline") == 0 ){
		1099	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1100	if(reply_format == 0){reply_format = 6;}
7956	schaersvoo	1101	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	1102	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1103	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1104	}
		1105	else
		1106	if(strcmp(draw_type,"freehandlines") == 0 ){
		1107	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1108	if(reply_format == 0){reply_format = 6;}
7956	schaersvoo	1109	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	1110	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1111	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1112	}
		1113	else
		1114	if(strcmp(draw_type,"path") == 0 ){
		1115	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1116	if(reply_format == 0){reply_format = 6;}
7956	schaersvoo	1117	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	1118	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1119	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1120	}
		1121	else
		1122	if(strcmp(draw_type,"paths") == 0 ){
		1123	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1124	if(reply_format == 0){reply_format = 6;}
7956	schaersvoo	1125	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	1126	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1127	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1128	}
		1129	else
		1130	if(strcmp(draw_type,"arrows") == 0 ){
		1131	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1132	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1133	add_js_arrows(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7956	schaersvoo	1134	if(use_input_xy == 1){
7654	schaersvoo	1135	add_input_arrow(js_include_file,2);
		1136	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1137	}
8071	schaersvoo	1138	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1139	}
		1140	else
7874	schaersvoo	1141	if(strcmp(draw_type,"arrows2") == 0 ){
		1142	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1143	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1144	add_js_arrows(js_include_file,2,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7956	schaersvoo	1145	if(use_input_xy == 1){
7874	schaersvoo	1146	add_input_arrow(js_include_file,1);
		1147	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1148	}
8071	schaersvoo	1149	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1150	}
		1151	else
		1152	if(strcmp(draw_type,"arrow2") == 0 ){
		1153	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1154	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1155	add_js_arrows(js_include_file,1,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7956	schaersvoo	1156	if(use_input_xy == 1){
7874	schaersvoo	1157	add_input_arrow(js_include_file,1);
		1158	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1159	}
8071	schaersvoo	1160	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7874	schaersvoo	1161	}
		1162	else
7614	schaersvoo	1163	if(strcmp(draw_type,"arrow") == 0 ){
		1164	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
7876	schaersvoo	1165	if(reply_format == 0){reply_format = 11;}
7874	schaersvoo	1166	add_js_arrows(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7956	schaersvoo	1167	if(use_input_xy == 1){
7654	schaersvoo	1168	add_input_arrow(js_include_file,1);
		1169	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1170	}
8071	schaersvoo	1171	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1172	}
		1173	else
		1174	if(strcmp(draw_type,"polygon") == 0){
		1175	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1176	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1177	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	1178	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1179	if(use_input_xy == 2){
7780	schaersvoo	1180	add_textarea_polygon(js_include_file);
		1181	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1182	}
7614	schaersvoo	1183	}
7956	schaersvoo	1184	else
7614	schaersvoo	1185	if(strncmp(draw_type,"poly",4) == 0){
		1186	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1187	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1188	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1189	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	1190	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1191	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1192	}
7956	schaersvoo	1193	else
7614	schaersvoo	1194	if(strcmp(draw_type,"triangle") == 0){
		1195	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
7876	schaersvoo	1196	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1197	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	1198	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1199	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1200	}
7956	schaersvoo	1201	else
7989	schaersvoo	1202	if( strcmp(draw_type,"hline") == 0 ){
		1203	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1204	if(reply_format == 0){reply_format = 11;}
		1205	add_js_hlines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1206	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1207	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1208	}
		1209	else
		1210	if( strcmp(draw_type,"hlines") == 0 ){
		1211	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1212	if(reply_format == 0){reply_format = 11;}
		1213	add_js_hlines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1214	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1215	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1216	}
		1217	else
		1218	if( strcmp(draw_type,"vline") == 0 ){
		1219	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1220	if(reply_format == 0){reply_format = 11;}
		1221	add_js_hlines(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1222	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1223	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1224	}
		1225	else
		1226	if( strcmp(draw_type,"vlines") == 0 ){
		1227	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1228	if(reply_format == 0){reply_format = 11;}
		1229	add_js_hlines(js_include_file,4,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
8071	schaersvoo	1230	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1231	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7989	schaersvoo	1232	}
		1233	else
7614	schaersvoo	1234	if( strcmp(draw_type,"line") == 0 ){
		1235	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1236	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1237	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1238	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1239	if( use_input_xy == 1 ){
7780	schaersvoo	1240	add_input_line(js_include_file,1);
7747	schaersvoo	1241	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1242	}
8071	schaersvoo	1243	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1244	}
		1245	else
		1246	if( strcmp(draw_type,"lines") == 0 ){
		1247	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1248	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7876	schaersvoo	1249	if(reply_format == 0){reply_format = 11;}
7614	schaersvoo	1250	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1251	if( use_input_xy == 1 ){
7780	schaersvoo	1252	add_input_line(js_include_file,2);
7747	schaersvoo	1253	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1254	}
8071	schaersvoo	1255	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1256	}
		1257	else
		1258	if( strcmp(draw_type,"rects") == 0){
		1259	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1260	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1261	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	1262	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1263	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1264	}
7956	schaersvoo	1265	else
7614	schaersvoo	1266	if( strcmp(draw_type,"roundrects") == 0){
		1267	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1268	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1269	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	1270	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1271	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1272	}
7956	schaersvoo	1273	else
7614	schaersvoo	1274	if( strcmp(draw_type,"rect") == 0){
		1275	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
7876	schaersvoo	1276	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1277	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	1278	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1279	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1280	}
7956	schaersvoo	1281	else
7614	schaersvoo	1282	if( strcmp(draw_type,"roundrect") == 0){
		1283	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
7876	schaersvoo	1284	if(reply_format == 0){reply_format = 2;}
7614	schaersvoo	1285	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	1286	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1287	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1288	}
		1289	else
8083	schaersvoo	1290	if( strcmp(draw_type,"arcs") == 0){
		1291	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		1292	if(reply_format == 0){reply_format = 25;}
		1293	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]);
		1294	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1295	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1296	}
		1297	else
8071	schaersvoo	1298	if( strcmp(draw_type,"arc") == 0){
		1299	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
8083	schaersvoo	1300	if(reply_format == 0){reply_format = 25;}
		1301	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	1302	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1303	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1304	}
		1305	else
7614	schaersvoo	1306	if( strcmp(draw_type,"text") == 0){
7956	schaersvoo	1307	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7876	schaersvoo	1308	if(reply_format == 0){reply_format = 17;}
8071	schaersvoo	1309	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity);
7652	schaersvoo	1310	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
8071	schaersvoo	1311	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1312	}
8116	schaersvoo	1313	else
		1314	if( strcmp(draw_type,"inputs") == 0){
		1315	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1316	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1317	add_js_inputs(js_include_file,canvas_root_id,2,input_cnt,input_style,line_width);
		1318	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1319	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1320	}
		1321	else
		1322	if( strcmp(draw_type,"input") == 0){
		1323	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
8127	schaersvoo	1324	if(reply_format == 0){reply_format = 27;}
8116	schaersvoo	1325	add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
		1326	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
		1327	if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
		1328	}
7956	schaersvoo	1329	else
7614	schaersvoo	1330	{
		1331	canvas_error("unknown drawtype or typo? ");
		1332	}
		1333	reset();
		1334	break;
		1335	case PLOTSTEPS:
		1336	/*
		1337	@ plotsteps a_number
		1338	@ default 150
		1339	@ use with care !
		1340	*/
		1341	plot_steps = (int) (get_real(infile,1));
		1342	break;
		1343	case FONTSIZE:
		1344	/*
		1345	@fontsize font_size
		1346	@default value 12
		1347	*/
		1348	font_size = (int) (get_real(infile,1));
		1349	break;
		1350	case FONTCOLOR:
		1351	/*
		1352	@fontcolor color
		1353	@color: hexcolor or colorname
		1354	@default: black
		1355	@example usage: x/y-axis text
		1356	*/
		1357	font_color = get_color(infile,1);
		1358	break;
		1359	case ANIMATE:
		1360	/*
		1361	@animate type
8109	schaersvoo	1362	@REMOVED : this should be done with a slider
7614	schaersvoo	1363	@type may be "point" (nothing else , yet...)
		1364	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1365	@will animate a point on the next plot/curve command
		1366	@the curve will not be draw
		1367	@moves repeatedly from xmin to xmax
		1368	*/
		1369	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1370	break;
7788	schaersvoo	1371	case LEVELCURVE:
		1372	/*
		1373	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1374	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1375	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1376	@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
		1377	@note : the arrays for holding the javascript data are limited in size
		1378	@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	1379	*/
7792	schaersvoo	1380	fill_color = get_color(infile,0);
7788	schaersvoo	1381	char *fun1 = get_string_argument(infile,0);
		1382	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1383	i = 0;
		1384	done = FALSE;
		1385	while( !done ){
		1386	double_data[i] = get_real(infile,1);
		1387	i++;
		1388	}
		1389	for(c = 0 ; c < i; c++){
8097	schaersvoo	1390	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	1391	click_cnt++;
		1392	}
		1393	reset();
		1394	break;
7858	schaersvoo	1395	case TRACE_JSCURVE:
7823	schaersvoo	1396	/*
7858	schaersvoo	1397	@trace_jscurve some_math_function
7823	schaersvoo	1398	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1399	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
7956	schaersvoo	1400	@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	1401	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
7858	schaersvoo	1402	@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	1403	*/
		1404	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1405	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7858	schaersvoo	1406	if( use_js_math == FALSE){
		1407	add_to_js_math(js_include_file);
		1408	use_js_math = TRUE;
		1409	}
7823	schaersvoo	1410	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);
		1411	break;
		1412	case JSMATH:
		1413	/*
7858	schaersvoo	1414	@jsmath some_math_function
7856	schaersvoo	1415	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
7956	schaersvoo	1416	@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	1417	@example: jsmath sin(x^2)
		1418	@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	1419	*/
		1420	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7858	schaersvoo	1421	if( use_js_math == FALSE){
		1422	add_to_js_math(js_include_file);
		1423	use_js_math = TRUE;
		1424	}
7823	schaersvoo	1425	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1426	break;
7858	schaersvoo	1427	case JSCURVE:
		1428	/*
		1429	@jscurve color,formula(x)
		1430	@your function will be plotted by the javascript engine of the client browser.
7983	schaersvoo	1431	@use only basic math in your curve:<br /> sqrt,^,asin,acos,atan,log,pi,abs,sin,cos,tan,e
7858	schaersvoo	1432	@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	1433	@Attention : last "precision" command in the canvasdraw script determines the calculation precision of the javascript curve plot !
7858	schaersvoo	1434	@no validity check is done by wims.
		1435	@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
		1436	@use command 'trace_jscurve formula(x)` for tracing
		1437	@use commmand 'jsmath formula(x)` for calculating and displaying indiviual points on the curve
		1438	@can not be set draggable / onclick (yet)
7956	schaersvoo	1439	@commands plotjump / plotstep are not active for 'jscurve'
7858	schaersvoo	1440	*/
		1441	stroke_color = get_color(infile,0);
		1442	if( use_js_math == FALSE){/* add this stuff only once...*/
		1443	add_to_js_math(js_include_file);
		1444	use_js_math = TRUE;
		1445	}
		1446	if( use_js_plot == FALSE){
		1447	use_js_plot = TRUE;
		1448	add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
		1449	}
		1450	temp = get_string_argument(infile,1);
		1451	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]);
		1452	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1453	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]);
		1454	add_to_buffer(tmp_buffer);
		1455	use_js_plot++; /* we need to create multiple canvasses, so we may zoom and pan ?? */
		1456
		1457	break;
7614	schaersvoo	1458	case CURVE:
		1459	/*
		1460	@curve color,formula(x)
		1461	@plot color,formula(x)
		1462	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1463	@use command "precision" to increase the number of digits of the plotted points
		1464	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1465	@may be set draggable / onclick
		1466	*/
		1467	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1468	use_parametric = FALSE;
		1469	stroke_color = get_color(infile,0);
		1470	char *fun1 = get_string_argument(infile,0);
		1471	char *fun2 = get_string_argument(infile,1);
		1472	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
8097	schaersvoo	1473	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	1474	click_cnt++;
		1475	}
		1476	else
		1477	{
		1478	stroke_color = get_color(infile,0);
		1479	char *fun1 = get_string_argument(infile,1);
7956	schaersvoo	1480	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
8097	schaersvoo	1481	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	1482	click_cnt++;
		1483	}
7788	schaersvoo	1484	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1485	reset();
		1486	break;
		1487	case FLY_TEXT:
		1488	/*
		1489	@ text fontcolor,x,y,font,text_string
		1490	@ font may be described by keywords : giant,huge,normal,small,tiny
7956	schaersvoo	1491	@ use command 'fontsize' to increase base fontsize for these keywords
7614	schaersvoo	1492	@ may be set "onclick" or "drag xy"
		1493	@ backwards compatible with flydraw
		1494	@ unicode supported: text red,0,0,huge,\\u2232
7874	schaersvoo	1495	@ use command 'string' combined with 'fontfamily' for a more fine grained control over html5 canvas text element
		1496	@ 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	1497	*/
		1498	for(i = 0; i < 5 ;i++){
		1499	switch(i){
		1500	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1501	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1502	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1503	case 3: fly_font = get_string_argument(infile,0);
		1504	if(strcmp(fly_font,"giant") == 0){
		1505	font_size = (int)(font_size + 24);
		1506	}
		1507	else
		1508	{
		1509	if(strcmp(fly_font,"huge") == 0){
		1510	font_size = (int)(font_size + 14);
		1511	}
		1512	else
		1513	{
		1514	if(strcmp(fly_font,"large") == 0){
		1515	font_size = (int)(font_size + 6);
		1516	}
		1517	else
		1518	{
		1519	if(strcmp(fly_font,"small") == 0){
		1520	font_size = (int)(font_size - 4);
		1521	if(font_size<0){font_size = 8;}
		1522	}
		1523	}
		1524	}
		1525	}
		1526	break; /* font_size ! */
7956	schaersvoo	1527	case 4:
7614	schaersvoo	1528	temp = get_string_argument(infile,1);
		1529	decimals = find_number_of_digits(precision);
8097	schaersvoo	1530	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	1531	click_cnt++;reset();break;
		1532	default:break;
		1533	}
		1534	}
		1535	break;
		1536	case FLY_TEXTUP:
		1537	/*
		1538	@ textup fontcolor,x,y,font,text_string
		1539	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1540	@ font may be described by keywords : giant,huge,normal,small,tiny
7956	schaersvoo	1541	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1542	@ backwards compatible with flydraw
		1543	@ unicode supported: textup red,0,0,huge,\\u2232
		1544	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
7874	schaersvoo	1545	@ 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	1546	*/
7956	schaersvoo	1547	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1548	for(i = 0; i<5 ;i++){
		1549	switch(i){
		1550	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1551	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1552	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1553	case 3: fly_font = get_string_argument(infile,0);
		1554	if(strcmp(fly_font,"giant") == 0){
		1555	font_size = (int)(font_size + 24);
		1556	}
		1557	else
		1558	{
		1559	if(strcmp(fly_font,"huge") == 0){
		1560	font_size = (int)(font_size + 14);
		1561	}
		1562	else
		1563	{
		1564	if(strcmp(fly_font,"large") == 0){
		1565	font_size = (int)(font_size + 6);
		1566	}
		1567	else
		1568	{
		1569	if(strcmp(fly_font,"small") == 0){
		1570	font_size = (int)(font_size - 4);
		1571	if(font_size<0){font_size = 8;}
		1572	}
		1573	}
		1574	}
		1575	}
		1576	break; /* font_size ! */
7956	schaersvoo	1577	case 4:
7614	schaersvoo	1578	decimals = find_number_of_digits(precision);
		1579	temp = get_string_argument(infile,1);
8071	schaersvoo	1580	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	1581	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1582	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	1583	add_to_buffer(tmp_buffer);
		1584	break;
		1585	default:break;
		1586	}
		1587	}
		1588	reset();
		1589	break;
		1590	case FONTFAMILY:
		1591	/*
		1592	@ fontfamily font_description
		1593	@ set the font family; for browsers that support it
		1594	@ font_description: Ariel ,Courier, Helvetica etc
		1595	@ 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
		1596	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1597	*/
		1598	font_family = get_string(infile,1);
		1599	break;
		1600	case STRINGUP:
7956	schaersvoo	1601	/*
		1602	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1603	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1604	@ unicode supported: stringup red,0,0,45,\\u2232
		1605	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1606
		1607	*/
		1608	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1609	for(i=0;i<6;i++){
		1610	switch(i){
		1611	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1612	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1613	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1614	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1615	case 4: decimals = find_number_of_digits(precision);
		1616	temp = get_string_argument(infile,1);
8071	schaersvoo	1617	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	1618	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1619	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	1620	add_to_buffer(tmp_buffer);
		1621	break;
		1622	default:break;
		1623	}
		1624	}
		1625	reset();
		1626	break;
		1627	case STRING:
7956	schaersvoo	1628	/*
7614	schaersvoo	1629	@ string color,x,y,the text string
		1630	@ may be set "onclick" or "drag xy"
		1631	@ unicode supported: string red,0,0,\\u2232
7956	schaersvoo	1632	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1633	*/
		1634	for(i=0;i<5;i++){
		1635	switch(i){
		1636	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1637	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1638	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1639	case 3: decimals = find_number_of_digits(precision);
		1640	temp = get_string_argument(infile,1);
		1641	decimals = find_number_of_digits(precision);
8097	schaersvoo	1642	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	1643	click_cnt++;reset();break;
		1644	default:break;
		1645	}
		1646	}
		1647	break;
7983	schaersvoo	1648	case CENTERSTRING:
		1649	/*
		1650	@ centerstring color,y-value,the text string
7984	schaersvoo	1651	@ title color,y-value,the text string
7983	schaersvoo	1652	@ draw a string centered on the canvas at y = y-value
		1653	@ can not set "onclick" or "drag xy" (...)
		1654	@ unicode supported: centerstring red,5,\\u2232
		1655	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
		1656	*/
		1657	if( js_function[DRAW_CENTERSTRING] != 1 ){ js_function[DRAW_CENTERSTRING] = 1;}
		1658	for(i=0;i<3;i++){
		1659	switch(i){
		1660	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1661	case 1: double_data[0] = get_real(infile,0);break; /* y in xrange*/
		1662	case 2: temp = get_string_argument(infile,1);
		1663	/* draw_text = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text) */
		1664	decimals = find_number_of_digits(precision);
		1665	string_length = snprintf(NULL,0,
		1666	"draw_centerstring(%d,%.*f,\"%s\",\"%s\",%.2f,\"%s\");\n",canvas_root_id,decimals,double_data[0],font_family,stroke_color,stroke_opacity,temp);
		1667	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1668	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);
		1669	add_to_buffer(tmp_buffer);
		1670	break;
		1671	default:break;
		1672	}
		1673	}
		1674	break;
7614	schaersvoo	1675	case MATHML:
		1676	/*
		1677	@ mathml x1,y1,x2,y2,mathml_string
7956	schaersvoo	1678	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1679	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
7956	schaersvoo	1680	@ 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	1681	@ 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....
7956	schaersvoo	1682
7614	schaersvoo	1683	*/
		1684	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1685	for(i=0;i<5;i++){
		1686	switch(i){
		1687	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1688	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1689	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1690	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1691	case 4: decimals = find_number_of_digits(precision);
7956	schaersvoo	1692	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1693	temp = get_string(infile,1);
		1694	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1695	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);
		1696	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1697	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);
		1698	add_to_buffer(tmp_buffer);
7956	schaersvoo	1699	/*
		1700	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1701	if no other reply_format is defined
		1702	note: all other reply types will include a reading of elements with id='mathml'+p)
		1703	*/
		1704	if(strstr(temp,"mathml0") != NULL){
7876	schaersvoo	1705	if(reply_format == 0 ){reply_format = 16;} /* no other reply type is defined */
7614	schaersvoo	1706	}
		1707	break;
		1708	default:break;
		1709	}
		1710	}
		1711	reset();
		1712	break;
		1713	case HTTP:
		1714	/*
		1715	@http x1,y1,x2,y2,http://some_adress.com
7956	schaersvoo	1716	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1717	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1718	@can not be 'set onclick' or 'drag xy'
		1719	*/
7956	schaersvoo	1720	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1721	for(i=0;i<5;i++){
		1722	switch(i){
		1723	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1724	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1725	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1726	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1727	case 4: decimals = find_number_of_digits(precision);
		1728	temp = get_string(infile,1);
		1729	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1730	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);
		1731	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1732	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);
		1733	add_to_buffer(tmp_buffer);
		1734	break;
		1735	}
		1736	}
		1737	reset();
		1738	break;
		1739	case HTML:
		1740	/*
		1741	@ html x1,y1,x2,y2,html_string
		1742	@ all tags are allowed
		1743	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1744	@ 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.
7956	schaersvoo	1745
7614	schaersvoo	1746	note: uses the same code as 'mathml'
		1747	*/
		1748	break;
		1749	case X_AXIS_STRINGS:
		1750	/*
		1751	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1752	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1753	@ use these x-axis values in stead of default xmin...xmax
		1754	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1755	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1756	@ 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
		1757	@ 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
		1758	*/
		1759	temp = get_string(infile,1);
		1760	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1761	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1762	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1763	use_axis_numbering = 1;
		1764	break;
		1765	case Y_AXIS_STRINGS:
		1766	/*
		1767	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1768	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1769	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1770	@ use these y-axis values in stead of default ymin...ymax
		1771	@ 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
		1772	*/
		1773	temp = get_string(infile,1);
		1774	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1775	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1776	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1777	use_axis_numbering = 1;
		1778	break;
7956	schaersvoo	1779
7614	schaersvoo	1780	case AXIS_NUMBERING:
		1781	/*
7956	schaersvoo	1782	@ axisnumbering
8101	schaersvoo	1783	@ keyword, no arguments required
7614	schaersvoo	1784	*/
		1785	use_axis_numbering = 1;
		1786	break;
		1787	case AXIS:
		1788	/*
		1789	@ axis
8101	schaersvoo	1790	@ keyword, no arguments required
7614	schaersvoo	1791
		1792	*/
		1793	use_axis = TRUE;
		1794	break;
8101	schaersvoo	1795	case KILLSLIDER:
		1796	/*
		1797	@ killslider
		1798	@ keyword, no arguments required
		1799	@ ends grouping of object under a preciously defined slider
		1800	*/
		1801	slider = 0;
		1802	break;
8071	schaersvoo	1803	case SLIDER:
		1804	/*
8097	schaersvoo	1805	@ slider start_value,end_value,width px,height px,type,label
		1806	@ type: xy,x,y,angle
8112	schaersvoo	1807	@ if a value display is desired, use<br />type:xy display,x display,y display,angle radian,angle degree
		1808	@ is a unit for x / y value display is needed, use commands 'xunit' and / or 'yunit'
8101	schaersvoo	1809	@ use commmand 'slider' before draggable/clickable objects.
		1810	@ 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	1811	@ amount of sliders is not limited.
8101	schaersvoo	1812	@ javascript:read_dragdrop(); will return an array with 'object_number:slider_value'
8097	schaersvoo	1813	@ type=xy: will produce a 2D 'slider' [rectangle width x heigh px] in your web page
		1814	@ every draggable object may have it's own slider (no limit in amount of sliders)
8071	schaersvoo	1815	@ label: some slider text
		1816	@ use fillcolor for slider ball
		1817	@ use strokecolor for slider bar
8097	schaersvoo	1818	@ use fontfamily / fontcolor to set used fonts
8071	schaersvoo	1819	@ use opacity (only fill opacity will be used) to set transparency
8111	schaersvoo	1820	@ the slider canvas will be added to the 'tooltip div' : so incompatible with command tooltip ; setlimits etc
8071	schaersvoo	1821	*/
		1822	for(i=0; i<6 ; i++){
		1823	switch(i){
		1824	case 0: double_data[0] = get_real(infile,0);break; /* start value */
		1825	case 1: double_data[1] = get_real(infile,0);break; /* end value */
		1826	case 2: int_data[0] = (int)(get_real(infile,0));break; /* width */
		1827	case 3: int_data[1] = (int)(get_real(infile,0));break; /* height */
8111	schaersvoo	1828	case 4: temp = get_string_argument(infile,0); /* type : xy,x,y,angle */
8112	schaersvoo	1829	/* xy display*/
		1830	if(strstr(temp,"xy")!= 0){
8097	schaersvoo	1831	slider = 4;
		1832	}
		1833	else
		1834	{
8112	schaersvoo	1835	if(strstr(temp,"x") != 0){
8097	schaersvoo	1836	slider = 1;
		1837	}
		1838	else
		1839	{
8112	schaersvoo	1840	if(strstr(temp,"y") != 0){
8097	schaersvoo	1841	slider = 2;
		1842	}
		1843	else
		1844	{
8112	schaersvoo	1845	if(strstr(temp,"angle") != 0){ /* angle diplay radian */
8097	schaersvoo	1846	slider = 3;
		1847	}
		1848	else
8112	schaersvoo	1849	{
8097	schaersvoo	1850	canvas_error("slider types may be : x , y , xy , angle");
8112	schaersvoo	1851	}
8097	schaersvoo	1852	}
		1853	}
		1854	}
8112	schaersvoo	1855	if(strstr(temp,"display")!=0){
		1856	use_slider_display = 1; /* show x xy values in canvas window */
		1857	}
		1858	else
		1859	{
		1860	if(strstr(temp,"degree")!= 0){
		1861	use_slider_display = 2; /* show angle values in canvas window */
		1862	}
		1863	else
		1864	{
		1865	if(strstr(temp,"radian")!=0){
		1866	use_slider_display = 3; /* show radian values in canvas window */
		1867	}
		1868	}
		1869	}
		1870	if(use_slider_display != 0 && slider_cnt == 0){ /add just once the display js-code /
		1871	add_slider_display(js_include_file,canvas_root_id,precision,font_size,font_color,stroke_opacity);
		1872	}
8097	schaersvoo	1873	break;
		1874	case 5: /* some string used for slider description */
8071	schaersvoo	1875	slider_cnt++;
8097	schaersvoo	1876	if(slider == 4){
8112	schaersvoo	1877	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	1878	}else{
8112	schaersvoo	1879	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	1880	}
8071	schaersvoo	1881	break;
		1882	}
8097	schaersvoo	1883	}
8071	schaersvoo	1884	break;
7654	schaersvoo	1885	case SGRAPH:
		1886	/*
		1887	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1888	@ primitive implementation of a 'broken scale' graph...
7976	schaersvoo	1889	@ 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 />
		1890	@ 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	1891	*/
7956	schaersvoo	1892	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	1893	for(i = 0 ; i < 8 ;i++){
		1894	switch(i){
		1895	case 0:double_data[0] = get_real(infile,0);break;
		1896	case 1:double_data[1] = get_real(infile,0);break;
		1897	case 2:double_data[2] = get_real(infile,0);break;
		1898	case 3:double_data[3] = get_real(infile,0);break;
		1899	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1900	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1901	case 6:stroke_color = get_color(infile,0);break;
		1902	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1903	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	1904	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1905	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	1906	add_to_buffer(tmp_buffer);
		1907	break;
		1908	default:break;
		1909	}
		1910	}
		1911	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1912	break;
7614	schaersvoo	1913	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1914	/*
		1915	@ grid step_x,step_y,gridcolor
		1916	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1917	@ 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	1918	@ 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	1919	@ can not be set "onclick" or "drag xy"
		1920	@ 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')
		1921	@ 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')
		1922	@ 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')
		1923	*/
7729	schaersvoo	1924	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1925	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1926	for(i=0;i<4;i++){
		1927	switch(i){
		1928	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1929	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1930	case 2:
		1931	if( use_axis == TRUE ){
		1932	stroke_color = get_color(infile,0);
		1933	done = FALSE;
		1934	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1935	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1936	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1937	fill_color = get_color(infile,1); /* used as axis_color*/
		1938	}
		1939	else
		1940	{
		1941	int_data[0] = 1;
		1942	int_data[1] = 1;
		1943	stroke_color = get_color(infile,1);
		1944	fill_color = stroke_color;
		1945	}
		1946	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	1947	/* set snap_x snap_y values in pixels */
7988	schaersvoo	1948	fprintf(js_include_file,"snap_x = %f;snap_y = %f;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
8071	schaersvoo	1949	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	1950	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	1951	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	1952	add_to_buffer(tmp_buffer);
		1953	break;
		1954	}
		1955	}
		1956	reset();
		1957	break;
		1958	case OPACITY:
		1959	/*
		1960	@ opacity 0-255,0-255
		1961	@
		1962	*/
		1963	for(i = 0 ; i<2;i++){
		1964	switch(i){
		1965	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1966	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1967	default: break;
		1968	}
		1969	}
		1970	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 ? */
		1971	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1972	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1973	break;
		1974	case ROTATE:
		1975	/*
		1976	@rotate rotation_angle
8097	schaersvoo	1977	@angle in degrees
7614	schaersvoo	1978	*/
		1979	use_rotate = TRUE;
8097	schaersvoo	1980	angle = -1(get_real(infile,1));/ -1 : to be compatible with Flydraw... */
7614	schaersvoo	1981	break;
7785	schaersvoo	1982	case KILLAFFINE:
		1983	/*
		1984	@ killaffine
		1985	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1986	*/
		1987	use_affine = FALSE;
7956	schaersvoo	1988	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	1989	break;
		1990	case AFFINE:
		1991	/*
		1992	@affine a,b,c,d,tx,ty
7956	schaersvoo	1993	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	1994	@ use keyword 'killaffine' to end the transformation
		1995	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1996	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1997	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1998	@ a : Scales the drawings horizontally
		1999	@ b : Skews the drawings horizontally
		2000	@ c : Skews the drawings vertically
		2001	@ d : Scales the drawings vertically
8071	schaersvoo	2002	@ tx: Moves the drawings horizontally in xrange coordinate system
		2003	@ ty: Moves the drawings vertically in yrange coordinate system
		2004	@ the data precision is 2 decimals (printf : %2.f)
7785	schaersvoo	2005	*/
		2006	for(i = 0 ; i<6;i++){
		2007	switch(i){
		2008	case 0: double_data[0] = get_real(infile,0);break;
		2009	case 1: double_data[1] = get_real(infile,0);break;
		2010	case 2: double_data[2] = get_real(infile,0);break;
		2011	case 3: double_data[3] = get_real(infile,0);break;
8071	schaersvoo	2012	case 4: double_data[4] = get_real(infile,0);break;
		2013	case 5: double_data[5] = get_real(infile,1);
7785	schaersvoo	2014	use_affine = TRUE;
8071	schaersvoo	2015	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	2016	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
8071	schaersvoo	2017	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));
		2018	break;
7785	schaersvoo	2019	default: break;
		2020	}
		2021	}
		2022	break;
7614	schaersvoo	2023	case KILLTRANSLATION:
		2024	/*
		2025	killtranslation
		2026	*/
8071	schaersvoo	2027	use_affine = FALSE;
		2028	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7614	schaersvoo	2029	break;
		2030	case TRANSLATION:
		2031	/*
		2032	@translation tx,ty
8071	schaersvoo	2033	@will translate the next object tx in xrange and ty in yrange
		2034	@uase command 'killtranstation' to end the command
7614	schaersvoo	2035	*/
8071	schaersvoo	2036	for(i = 0 ; i<2;i++){
		2037	switch(i){
		2038	case 0: double_data[0] = get_real(infile,0);break;
		2039	case 1: double_data[1] = get_real(infile,1);
		2040	use_affine = TRUE;
		2041	string_length = snprintf(NULL,0, "[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2042	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
		2043	snprintf(affine_matrix,string_length,"[1,0,0,1,%.2f,%.2f] ",double_data[0]xsize/(xmax - xmin),-1double_data[1]*ysize/(ymax - ymin));
		2044	break;
		2045	default: break;
		2046	}
		2047	}
		2048	break;
		2049
7614	schaersvoo	2050	case DASHED:
		2051	/*
		2052	@ keyword "dashed"
		2053	@ next object will be drawn with a dashed line
		2054	@ change dashing scheme by using command "dashtype int,int)
		2055	*/
		2056	use_dashed = TRUE;
		2057	break;
		2058	case FILLED:
		2059	/*
7956	schaersvoo	2060	@ keyword "filled"
		2061	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	2062	@ use command "fillcolor color" to set fillcolor
		2063	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		2064	@ 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 !
		2065	*/
		2066	use_filled = TRUE;
		2067	break;
		2068	case STYLE:
		2069	/*
		2070	@highlight color,opacity,linewidth
		2071	@ NOT IMPLEMENTED
		2072	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		2073	*/
		2074	break;
		2075	case FILLCOLOR:
		2076	/*
		2077	@ fillcolor colorname or #hex
		2078	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		2079	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		2080	*/
		2081	fill_color = get_color(infile,1);
		2082	break;
		2083	case STROKECOLOR:
		2084	/*
		2085	@ strokecolor colorname or #hex
		2086	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		2087	*/
		2088	stroke_color = get_color(infile,1);
		2089	break;
7956	schaersvoo	2090	case BGIMAGE:
7614	schaersvoo	2091	/*
		2092	@bgimage image_location
		2093	@use an image as background .<br />(we use the background of 'canvas_div' )
		2094	@the background image will be resized to match "width = xsize" and "height = ysize"
		2095	*/
		2096	URL = get_string(infile,1);
		2097	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);
		2098	break;
7956	schaersvoo	2099	case BGCOLOR:
7614	schaersvoo	2100	/*
		2101	@bgcolor colorname or #hex
		2102	@use this color as background of the "div" containing the canvas(es)
		2103	*/
		2104	/* [255,255,255]*/
		2105	bgcolor = get_string(infile,1);
		2106	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		2107	int found = 0;
		2108	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		2109	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		2110	bgcolor = colors[i].hex;
		2111	found = 1;
		2112	break;
		2113	}
		2114	}
		2115	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		2116	}
		2117	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		2118	break;
		2119	case COPY:
		2120	/*
		2121	@ copy x,y,x1,y1,x2,y2,[filename URL]
		2122	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		2123	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
7956	schaersvoo	2124	@ [filename] is the URL of the image
7614	schaersvoo	2125	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2126	@ 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
7956	schaersvoo	2127	@ 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	2128
		2129	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2130	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		2131	*/
		2132	for(i = 0 ; i<7;i++){
		2133	switch(i){
		2134	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		2135	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		2136	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		2137	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		2138	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		2139	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		2140	case 6: URL = get_string(infile,1);
		2141	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		2142	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		2143	if( drag_type > -1 ){
		2144	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2145	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2146	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);
		2147	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	2148	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	2149	drag_type = -1;
		2150	ext_img_cnt++;
		2151	}
		2152	else
		2153	{
		2154	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2155	/*
		2156	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		2157	*/
		2158	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]);
		2159	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2160	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]);
		2161	}
		2162	add_to_buffer(tmp_buffer);
		2163	break;
		2164	default: break;
		2165	}
		2166	}
		2167	reset();
		2168	break;
		2169	/*
		2170	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		2171	img Specifies the image, canvas, or video element to use
		2172	sx The x coordinate where to start clipping : x1 = int_data[0]
		2173	sy The y coordinate where to start clipping : x2 = int_data[1]
7956	schaersvoo	2174	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	2175	sheight The height of the clipped image : int_data[3] - int_data[1]
		2176	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		2177	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		2178	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		2179	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		2180	*/
		2181	case COPYRESIZED:
		2182	/*
		2183	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
7956	schaersvoo	2184	@ 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	2185	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		2186	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		2187	@ 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
7956	schaersvoo	2188	@ 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	2189	*/
		2190	for(i = 0 ; i<9;i++){
		2191	switch(i){
		2192	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		2193	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		2194	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		2195	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		2196	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		2197	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		2198	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		2199	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		2200	case 8: URL = get_string(infile,1);
		2201	if( drag_type > -1 ){
		2202	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
7876	schaersvoo	2203	if(reply_format == 0 ){reply_format = 20;}
7614	schaersvoo	2204	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);
		2205	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2206	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);
		2207	drag_type = -1;
		2208	ext_img_cnt++;
		2209	}
		2210	else
		2211	{
		2212	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		2213	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]);
		2214	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2215	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]);
		2216	}
		2217	add_to_buffer(tmp_buffer);
		2218	default: break;
		2219	}
		2220	}
		2221	reset();
		2222	break;
		2223	case BUTTON:
		2224	/*
		2225	button x,y,value
8116	schaersvoo	2226	does nothing : from svgdraw
7614	schaersvoo	2227	*/
		2228	break;
		2229	case INPUTSTYLE:
		2230	/*
		2231	@ inputstyle style_description
		2232	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		2233	*/
		2234	input_style = get_string(infile,1);
		2235	break;
		2236	case INPUT:
7956	schaersvoo	2237	/*
7614	schaersvoo	2238	@ input x,y,size,editable,value
7956	schaersvoo	2239	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	2240	@ only active inputfields (editable = 1) will be read with read_canvas();
7956	schaersvoo	2241	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2242	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		2243	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2244	*/
7956	schaersvoo	2245	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	2246	for(i = 0 ; i<5;i++){
		2247	switch(i){
		2248	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		2249	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		2250	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		2251	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
7956	schaersvoo	2252	case 4:
7614	schaersvoo	2253	temp = get_string_argument(infile,1);
		2254	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);
		2255	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2256	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);
		2257	add_to_buffer(tmp_buffer);
		2258	input_cnt++;break;
		2259	default: break;
		2260	}
		2261	}
7876	schaersvoo	2262	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2263	reset();
		2264	break;
		2265	case TEXTAREA:
7956	schaersvoo	2266	/*
7614	schaersvoo	2267	@ textarea x,y,cols,rows,readonly,value
		2268	@ may be further controlled by "inputstyle"
7956	schaersvoo	2269	@ if "$status=done" (e.g. in answer.phtml) the inputfield will be clearedand set readonly<br />Override this by keyword 'status'
7614	schaersvoo	2270	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		2271	*/
7956	schaersvoo	2272	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	2273	for(i = 0 ; i<6;i++){
		2274	switch(i){
		2275	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		2276	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		2277	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		2278	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		2279	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		2280	case 5: temp = get_string_argument(infile,1);
		2281	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);
		2282	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2283	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);
		2284	add_to_buffer(tmp_buffer);
		2285	input_cnt++;break;
		2286	default: break;
		2287	}
		2288	}
7876	schaersvoo	2289	if(reply_format == 0 ){reply_format = 15;}
7614	schaersvoo	2290	reset();
		2291	break;
		2292	case MOUSE_PRECISION:
		2293	/*
		2294	@ precision int
8074	schaersvoo	2295	@ 1 = no decimals ; 10 = 1 decimal ; 100 = 2 decimals etc
7614	schaersvoo	2296	@ may be used / changed before every object
8074	schaersvoo	2297	@ In case of user interaction (like 'userdraw') this value will be used to determine the amount of decimals in the reply / answer
7614	schaersvoo	2298	*/
		2299	precision = (int) (get_real(infile,1));
8074	schaersvoo	2300	if(precision < 1 ){precision = 1;};
7614	schaersvoo	2301	break;
7838	schaersvoo	2302	case SETLIMITS:
		2303	/*
7956	schaersvoo	2304	@setlimits
7838	schaersvoo	2305	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		2306	@may be used for inputfield based zooming / panning
7858	schaersvoo	2307	@use command xlabel / ylabel to change text from xmin to 'xlabel'min etc
7956	schaersvoo	2308	@note:the input value will not be checked on validity
7838	schaersvoo	2309	*/
7956	schaersvoo	2310	if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
7838	schaersvoo	2311	add_setlimits(js_include_file,canvas_root_id);
		2312	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		2313	use_pan_and_zoom = TRUE;
		2314	done = TRUE;
		2315	break;
7614	schaersvoo	2316	case ZOOM:
		2317	/*
		2318	@ zoom button_color
		2319	@ introduce a controlpanel at the lower right corner
		2320	@ 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
		2321	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		2322	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
7956	schaersvoo	2323	@ command 'opacity' may be used to set stroke_opacity of 'buttons
7988	schaersvoo	2324	@ NOTE: use command 'zoom' at the end of your script code (the same is true for commanmd 'mouse')
7614	schaersvoo	2325	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		2326	@ 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 !!
		2327	*/
7653	schaersvoo	2328	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2329	use_pan_and_zoom = TRUE;
7988	schaersvoo	2330	stroke_color = get_color(infile,1);
7614	schaersvoo	2331	/* we use BG_CANVAS (0) */
7988	schaersvoo	2332	add_zoom_buttons(js_include_file,canvas_root_id,stroke_color,stroke_opacity);
7614	schaersvoo	2333	done = TRUE;
		2334	break;
		2335	case ONCLICK:
		2336	/*
		2337	@ onclick
		2338	@ keyword, no arguments
		2339	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
7956	schaersvoo	2340	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7906	schaersvoo	2341	@ NOTE: not all objects may be set clickable
7614	schaersvoo	2342	*/
7956	schaersvoo	2343
7614	schaersvoo	2344	onclick = 1;
		2345	break;
		2346	case DRAG:
		2347	/*
		2348	@ drag [x][y][xy]
		2349	@ the next object will be draggable in x / y / xy direction
		2350	@ the displacement can be read by 'javascript:read_dragdrop();'
8074	schaersvoo	2351	@ 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	2352	@ 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	2353	@ use keywordd 'snaptogrid' , 'xsnaptogrid' or 'ysnaptogrid' to switch from free to discrete movement
7956	schaersvoo	2354	@ 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	2355	@ 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 !!
		2356	*/
		2357	temp = get_string(infile,1);
7956	schaersvoo	2358	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2359	drag_type = 0;
		2360	}
		2361	else
		2362	{
7956	schaersvoo	2363	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2364	drag_type = 1;
		2365	}
		2366	else
		2367	{
		2368	drag_type = 2;
		2369	}
		2370	}
8074	schaersvoo	2371	fprintf(js_include_file,"var dragdrop_precision = %d;",precision);
7614	schaersvoo	2372	onclick = 2;
		2373	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2374	break;
		2375	case BLINK:
		2376	/*
		2377	@ blink time(seconds)
		2378	@ NOT IMPLEMETED -YET
		2379	*/
		2380	break;
7996	schaersvoo	2381	case XUNIT:
		2382	/*
		2383	@ xunit some_unit_for_x-values
		2384	@ unicode allowed (no html code)
		2385	@ use together with command mousex
		2386	@ will display the cursor x-coordinate 'unit'
		2387	*/
		2388	fprintf(js_include_file,"unit_x = \"%s\";",get_string(infile,1));
		2389	break;
		2390	case YUNIT:
		2391	/*
		2392	@ yunit some_unit_for_y-values
		2393	@ unicode allowed (no html code)
		2394	@ use together with command mousex
		2395	@ will display the cursor y-coordinate 'unit'
		2396	*/
		2397	fprintf(js_include_file,"unit_y = \"%s\";",get_string(infile,1));
		2398	break;
8071	schaersvoo	2399	case MOUSE_DISPLAY:
		2400	/*
8129	schaersvoo	2401	@display x\|y\|xy\|degree\|radius,color,fontsize
		2402	@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)
		2403	@use commands 'xunit' and / or 'yunit' to add the units to the mouse values
8071	schaersvoo	2404	@just like commands 'mouse','mousex','mousey','mouse_degree'...only other name)
		2405	*/
		2406	temp = get_string_argument(infile,0);
8112	schaersvoo	2407	if( strstr(temp,"xy") != NULL ){
		2408	int_data[0] = 2;
8071	schaersvoo	2409	}else{
8112	schaersvoo	2410	if( strstr(temp,"y") != NULL ){
		2411	int_data[0] = 1;
8071	schaersvoo	2412	}else{
8112	schaersvoo	2413	if( strstr(temp,"x") != NULL ){
		2414	int_data[0] = 0;
8129	schaersvoo	2415	}else{
8112	schaersvoo	2416	if(strstr(temp,"degree") != NULL){
		2417	int_data[0] = 3;
8071	schaersvoo	2418	}else{
8129	schaersvoo	2419	if(strstr(temp,"radius") != NULL){
		2420	int_data[0] = 4;
		2421	}else{
		2422	int_data[0] = 2;
		2423	}
8112	schaersvoo	2424	}
8129	schaersvoo	2425	}
8071	schaersvoo	2426	}
8129	schaersvoo	2427	}
8071	schaersvoo	2428	stroke_color = get_color(infile,0);
		2429	font_size = (int) (get_real(infile,1));
		2430	tmp_buffer = my_newmem(26);
		2431	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2432	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,int_data[0]);
		2433	break;
		2434	case MOUSE_DEGREE:
		2435	/*
		2436	@ mouse_degree color,fontsize
8099	schaersvoo	2437	@ 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	2438	@ The angle is positive in QI and QIII and the angle value is negative in QII and QIV
		2439	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
		2440
		2441	*/
		2442	stroke_color = get_color(infile,0);
		2443	font_size = (int) (get_real(infile,1));
		2444	tmp_buffer = my_newmem(26);
		2445	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2446	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,3);
		2447	break;
7991	schaersvoo	2448	case MOUSEX:
		2449	/*
		2450	@ mousex color,fontsize
		2451	@ will display the cursor x-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8071	schaersvoo	2452	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2453
		2454	*/
		2455	stroke_color = get_color(infile,0);
		2456	font_size = (int) (get_real(infile,1));
		2457	tmp_buffer = my_newmem(26);
		2458	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2459	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,0);
		2460	break;
		2461	case MOUSEY:
		2462	/*
		2463	@ mousey color,fontsize
		2464	@ will display the cursor y-coordinate in 'color' and 'font size'<br /> using default fontfamily Ariel
8071	schaersvoo	2465	@ NOTE: use command 'mouse' at the end of your script code (the same is true for command 'zoom')
7991	schaersvoo	2466
		2467	*/
		2468	stroke_color = get_color(infile,0);
		2469	font_size = (int) (get_real(infile,1));
		2470	tmp_buffer = my_newmem(26);
		2471	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
		2472	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,1);
		2473	break;
7614	schaersvoo	2474	case MOUSE:
		2475	/*
		2476	@ mouse color,fontsize
7991	schaersvoo	2477	@ will display the cursor (x:y) coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
7988	schaersvoo	2478	@ NOTE: use command 'mouse' at the end of your script code (the same is true for commanmd 'zoom')
		2479
7614	schaersvoo	2480	*/
		2481	stroke_color = get_color(infile,0);
		2482	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2483	tmp_buffer = my_newmem(26);
		2484	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7991	schaersvoo	2485	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity,2);
7614	schaersvoo	2486	break;
		2487	case INTOOLTIP:
		2488	/*
		2489	@ intooltip link_text
		2490	@ link_text is a single line (span-element)
		2491	@ link_text may also be an image URL http://some_server/images/my_image.png
		2492	@ link_text may contain HTML markup
		2493	@ the canvas will be displayed in a tooltip on 'link_text'
		2494	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2495	*/
7823	schaersvoo	2496	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2497	use_tooltip = TRUE;
		2498	tooltip_text = get_string(infile,1);
		2499	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2500	break;
		2501	case AUDIO:
		2502	/*
		2503	@ audio x,y,w,h,loop,visible,audiofile location
		2504	@ x,y : left top corner of audio element (in xrange / yrange)
		2505	@ w,y : width and height in pixels
		2506	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2507	@ visible : 0 or 1 (1 = show controls)
		2508	@ audio format may be in .mp3 or .ogg
		2509	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2510	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2511	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2512	@ 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 />
		2513	*/
		2514	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2515	for(i=0;i<7;i++){
		2516	switch(i){
		2517	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2518	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2519	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2520	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2521	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2522	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
7956	schaersvoo	2523	case 6:
7614	schaersvoo	2524	temp = get_string(infile,1);
		2525	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2526	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2527	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);
		2528	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2529	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);
		2530	add_to_buffer(tmp_buffer);
		2531	break;
		2532	default:break;
		2533	}
		2534	}
		2535	reset();
		2536	break;
		2537	case VIDEO:
		2538	/*
		2539	@ video x,y,w,h,videofile location
		2540	@ x,y : left top corner of audio element (in xrange / yrange)
		2541	@ w,y : width and height in pixels
		2542	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2543	@ video format may be in *.mp4 (todo:other formats)
		2544	*/
		2545	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2546	for(i=0;i<5;i++){
		2547	switch(i){
		2548	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2549	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2550	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2551	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2552	case 4: temp = get_string(infile,1);
		2553	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);
		2554	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2555	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);
		2556	add_to_buffer(tmp_buffer);
		2557	break;
		2558	default:break;
		2559	}
		2560	}
		2561	reset();
		2562	break;
		2563	case HATCHFILL:
		2564	/*
		2565	@ hatchfill x0,y0,dx,dy,color
		2566	@ x0,y0 in xrange / yrange
		2567	@ distances dx,dy in pixels
		2568	*/
		2569	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2570	for(i=0;i<5;i++){
		2571	switch(i){
		2572	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2573	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2574	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2575	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2576	case 4: stroke_color = get_color(infile,1);
		2577	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2578	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);
		2579	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2580	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);
		2581	add_to_buffer(tmp_buffer);
		2582	break;
		2583	default:break;
		2584	}
		2585	}
		2586	reset();
		2587	break;
7647	schaersvoo	2588	case DIAMONDFILL:
		2589	/*
		2590	@ diamondfill x0,y0,dx,dy,color
		2591	@ x0,y0 in xrange / yrange
		2592	@ distances dx,dy in pixels
		2593	*/
		2594	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2595	for(i=0;i<5;i++){
		2596	switch(i){
		2597	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2598	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2599	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2600	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2601	case 4: stroke_color = get_color(infile,1);
		2602	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2603	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);
		2604	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2605	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);
		2606	add_to_buffer(tmp_buffer);
		2607	break;
		2608	default:break;
		2609	}
		2610	}
		2611	reset();
		2612	break;
7614	schaersvoo	2613	case GRIDFILL:
		2614	/*
		2615	@ gridfill x0,y0,dx,dy,color
		2616	@ x0,y0 in xrange / yrange
		2617	@ distances dx,dy in pixels
7883	schaersvoo	2618	@ a draggable object may snap_to_grid (using keywords xysnaptogrid,xsnaprogrid, ysnaptogrid)
		2619	@ userdraw object may snap_to_grid
7614	schaersvoo	2620	*/
		2621	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2622	for(i=0;i<5;i++){
		2623	switch(i){
		2624	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2625	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2626	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2627	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2628	case 4: stroke_color = get_color(infile,1);
		2629	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);
		2630	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2631	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);
		2632	add_to_buffer(tmp_buffer);
		2633	break;
		2634	default:break;
		2635	}
		2636	}
		2637	reset();
		2638	break;
		2639	case DOTFILL:
		2640	/*
		2641	@ dotfill x0,y0,dx,dy,color
		2642	@ x0,y0 in xrange / yrange
		2643	@ distances dx,dy in pixels
		2644	@ radius of dots is linewidth
		2645	*/
		2646	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2647	for(i=0;i<5;i++){
		2648	switch(i){
		2649	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2650	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2651	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2652	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2653	case 4: stroke_color = get_color(infile,1);
		2654	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2655	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);
		2656	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2657	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);
		2658	add_to_buffer(tmp_buffer);
		2659	break;
		2660	default:break;
		2661	}
		2662	}
		2663	reset();
		2664	break;
		2665	case IMAGEFILL:
		2666	/*
		2667	@ imagefill dx,dy,image_url
		2668	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2669	@ After pattern filling ,the fill-color should be reset !
		2670	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2671	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2672	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2673	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2674	*/
		2675	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2676	for(i=0 ;i < 3 ; i++){
		2677	switch(i){
		2678	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2679	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2680	case 2: URL = get_string_argument(infile,1);
		2681	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);
		2682	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2683	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);
		2684	add_to_buffer(tmp_buffer);
		2685	break;
		2686	}
		2687	}
8083	schaersvoo	2688	reset();
7614	schaersvoo	2689	break;
		2690	case FILLTOBORDER:
		2691	/*
		2692	@ filltoborder x,y,bordercolor,color
7956	schaersvoo	2693	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2694	@ any other color will not act as border to the bucket fill
		2695	@ use this command after all boundary objects are declared.
		2696	@ 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..
		2697	*/
		2698	for(i=0 ;i < 4 ; i++){
		2699	switch(i){
		2700	case 0:double_data[0] = get_real(infile,0);break;
		2701	case 1:double_data[1] = get_real(infile,0);break;
		2702	case 2:bgcolor = get_color(infile,0);break;
		2703	case 3:fill_color = get_color(infile,1);
		2704	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2705	js_function[DRAW_FILLTOBORDER] = 1;
		2706	add_js_filltoborder(js_include_file,canvas_root_id);
		2707	}
		2708	decimals = find_number_of_digits(precision);
7895	schaersvoo	2709	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
8071	schaersvoo	2710	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	2711	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
8071	schaersvoo	2712	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	2713	add_to_buffer(tmp_buffer);
		2714	break;
		2715	default:break;
8083	schaersvoo	2716	}
		2717	}
		2718	reset();
7614	schaersvoo	2719	break;
		2720	case FLOODFILL:
		2721	/*
		2722	@ floodfill x,y,color
		2723	@ alternative syntax: fill x,y,color
		2724	@ fill the region of point (x:y) with color 'color'
		2725	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2726	@ use this command after all boundary objects are declared.
		2727	@ Use command 'clickfill,color' for user click driven flood fill.
		2728	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2729	@ 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..
		2730	*/
		2731	for(i=0 ;i < 4 ; i++){
		2732	switch(i){
		2733	case 0:double_data[0] = get_real(infile,0);break;
		2734	case 1:double_data[1] = get_real(infile,0);break;
		2735	case 2:fill_color = get_color(infile,1);
		2736	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2737	js_function[DRAW_FLOODFILL] = 1;
		2738	add_js_floodfill(js_include_file,canvas_root_id);
		2739	}
		2740	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
7895	schaersvoo	2741	/* we need to set a timeout: the canvas is not yet draw in memory? when floodfill is called directly... */
		2742	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	2743	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7895	schaersvoo	2744	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	2745	add_to_buffer(tmp_buffer);
		2746	break;
		2747	default:break;
8083	schaersvoo	2748	}
		2749	}
		2750	reset();
7614	schaersvoo	2751	break;
		2752	case CLICKFILLMARGE:
		2753	clickfillmarge = (int) (get_real(infile,1));
		2754	break;
		2755	/*
		2756	@ clickfillmarge int
		2757	@ default 20 (pixels)
		2758	@ 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[])
		2759	*/
		2760	case CLICKFILL:
		2761	/*
		2762	@ clickfill fillcolor
		2763	@ user left mouse click will floodfill the area with fillcolor
		2764	@ multiple areas may be coloured
		2765	@ 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)
		2766	@ the answer will be read as the (x:y) click coordinates per coloured area
		2767	@ background color of main div may be set by using command "bgcolor color"
		2768	@ may not be combined with command "userdraw"
		2769	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2770	*/
		2771	fill_color = get_color(infile,1);
		2772	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2773	js_function[DRAW_FLOODFILL] = 1;
		2774	add_js_floodfill(js_include_file,canvas_root_id);
		2775	}
7895	schaersvoo	2776	fprintf(js_include_file,"\n<!-- begin command clickfill -->\nvar marge_xy = %d;var userdraw_x = new Array();var 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));
8074	schaersvoo	2777	add_read_canvas(1,reply_precision);
8083	schaersvoo	2778	reset();
7614	schaersvoo	2779	break;
		2780	case SETPIXEL:
		2781	/*
		2782	@ setpixel x,y,color
		2783	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2784	@ pixels can not be dragged or clicked
		2785	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2786	*/
		2787	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2788	for(i=0;i<3;i++){
		2789	switch(i){
		2790	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2791	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2792	case 2: stroke_color = get_color(infile,1);
		2793	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2794	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2795	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2796	add_to_buffer(tmp_buffer);
		2797	break;
		2798	default:break;
		2799	}
		2800	}
		2801	reset();
		2802	break;
		2803	case PIXELSIZE:
		2804	/*
		2805	@ pixelsize int
		2806	@ in case you want to deviate from default pixelsize = 1...
		2807	*/
		2808	pixelsize = (int) get_real(infile,1);
		2809	break;
		2810	case PIXELS:
		2811	/*
		2812	@ pixels color,x1,y1,x2,y2,x3,y3...
		2813	@ Draw "points" with diameter 1 pixel
		2814	@ pixels can not be dragged or clicked
		2815	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2816	*/
		2817	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2818	stroke_color=get_color(infile,0);
		2819	i=0;
		2820	c=0;
		2821	while( ! done ){ /* get next item until EOL*/
		2822	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2823	for( c = 0 ; c < 2; c++){
		2824	if(c == 0 ){
		2825	double_data[i] = get_real(infile,0);
		2826	i++;
		2827	}
		2828	else
		2829	{
		2830	double_data[i] = get_real(infile,1);
		2831	i++;
		2832	}
		2833	}
		2834	}
		2835	decimals = find_number_of_digits(precision);
		2836	/* double_xy2js_array(double xy[],int len,int decimals) /
		2837	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2838	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2839	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2840	add_to_buffer(tmp_buffer);
8083	schaersvoo	2841	reset();
7614	schaersvoo	2842	break;
		2843	case REPLYFORMAT:
		2844	/*
		2845	@ replyformat number
7876	schaersvoo	2846	@ use number=-1 to deactivate the js-function read_canvas()
7614	schaersvoo	2847	@ default values should be fine !
8074	schaersvoo	2848	@ 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	2849	@ the last value for 'precision int' will be used to calculate the reply coordinates, if needed (read_canvas();)
8127	schaersvoo	2850	@ choose<ul><li>1 = x1,x2,x3,x4....x_n<br />y1,y2,y3,y4....y_n<br /><br />x/y in pixels</li><li>2 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>3 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in pixels <br /> r in pixels</li><li>4 = x1,x2,x3,x4....x_n<br /> y1,y2,y3,y4....y_n<br /> r1,r2,r3,r4....r_n<br /> x/y in xrange / yrange coordinate system<br /> r in pixels</li><li>5 = Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n<br /> x/y in pixels<br /></li><li>6 = Ax1,Ax2,Ax3,Ax4....Ax_n<br /> Ay1,Ay2,Ay3,Ay4....Ay_n<br /> Bx1,Bx2,Bx3,Bx4....Bx_n<br /> By1,By2,By3,By4....By_n<br /> Cx1,Cx2,Cx3,Cx4....Cx_n<br /> Cy1,Cy2,Cy3,Cy4....Cy_n<br /> ....<br /> Zx1,Zx2,Zx3,Zx4....Zx_n<br /> Zy1,Zy2,Zy3,Zy4....Zy_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in pixels</li><li>8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br /> x/y in xrange / yrange coordinate system</li><li>9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in pixels</li><li>10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br /> x/y in xrange / yrange coordinate system</li><li>11 = Ax1,Ay1,Ax2,Ay2<br /> Bx1,By1,Bx2,By2<br /> Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2<br /> x/y in xrange / yrange coordinate system</li><li>12 = Ax1,Ay1,Ax2,Ay2<br /> Bx1,By1,Bx2,By2<br />Cx1,Cy1,Cx2,Cy2<br /> Dx1,Dy1,Dx2,Dy2<br /> ......<br /> Zx1,Zy1,Zx2,Zy2<br /> x/y in pixels</li><li>13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2<br /> x/y in xrange / yrange coordinate system</li><li>14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2<br /> x/y in pixels</li><li>15 = reply from inputfields,textareas<br /> reply1,reply2,reply3,...,reply_n</li><li>16 = mathml input fields </li><li>17 = read "userdraw text,color" only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n</li><li>18 = read_canvas() will read all interactive clocks in H1:M1:S1,H2:M2:S2...Hn:Mn:Sn</li><li>19 = read_canvas() will return the object number of marked / clicked object (clock)<br />analogue to (shape library) onclick command </li><li>21 = (x1:y1) (x2:y2) ... (x_n:y_n)<br />verbatim coordinate return</li>22 = returns an array .... reply[0]=x1 reply[1]=y1 reply[2]=x2 reply[3]=y2 ... reply[n-1]=x_n reply[n]=y_n<br /> x/y in xrange / yrange coordinate system</li><li>replyformat 23 : can only be used for drawtype 'polyline'<br />a typical click sequence in drawtype polyline isx1,y1,x2,y2,x2,y2,x3,y3,x3,y3.....,x(n-1),y(n-1),x(n-1),y(n-1),xn,yn --replyformat 23--> x1,y1,x2,y2,x3,y3,.....x(n-1),y(n-1),xn,yn multiple occurences will be filtered out.The reply will be in x-y-range (xreply \\n yreply)</li><li>replyformat 24 = read all inputfield values: even those set 'readonly'</li><li>format 25 = angle1,angle2...angle_n : will return the radius (one or many) of the user drawn circle segment in degrees </li><li>format 26 = rad1,rad2...rad_n : will return the radius (one or many) of the user drawn circle segment in radians </li><li>27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...</li></ul>
7614	schaersvoo	2851	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2852	*/
		2853	reply_format = (int) get_real(infile,1);
8074	schaersvoo	2854	reply_precision = precision;
7614	schaersvoo	2855	break;
		2856	case LEGENDCOLORS:
		2857	/*
		2858	@ legendcolors color1:color2:color3:...:color_n
7956	schaersvoo	2859	@ 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	2860	@ make sure the number of colours match the number of legend items
7956	schaersvoo	2861	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	2862	*/
7956	schaersvoo	2863	if(legend_cnt == -1){canvas_error("use command \"legend\" before command \"legendcolors\" ! ");}
7614	schaersvoo	2864	temp = get_string(infile,1);
		2865	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	2866	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	2867	break;
		2868	case LEGEND:
		2869	/*
		2870	@ legend string1:string2:string3....string_n
		2871	@ will be used to create a legend for a graph
7956	schaersvoo	2872	@ also see command 'piechart'
		2873	@ will use the same colors per default as used in the graphs : use command 'legendcolors' to override the default
7614	schaersvoo	2874	*/
		2875	temp = get_string(infile,1);
		2876	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7956	schaersvoo	2877	legend_cnt++; /* attention :starts with -1 : it will be used in piechart etc */
		2878	fprintf(js_include_file,"var legend%d = [\"%s\"];",legend_cnt,temp);
7614	schaersvoo	2879	break;
		2880	case XLABEL:
		2881	/*
		2882	@ xlabel some_string
		2883	@ will be used to create a label for the x-axis (label is in quadrant I)
		2884	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7956	schaersvoo	2885	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2886	*/
		2887	temp = get_string(infile,1);
7653	schaersvoo	2888	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2889	break;
		2890	case YLABEL:
		2891	/*
		2892	@ ylabel some_string
7956	schaersvoo	2893	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	2894	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7956	schaersvoo	2895	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2896	*/
		2897	temp = get_string(infile,1);
7653	schaersvoo	2898	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2899	break;
		2900	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2901	/*
7996	schaersvoo	2902	@ linegraph x1:y1;x2:y2...x_n:y_n
7614	schaersvoo	2903	@ will plot your data in a graph
		2904	@ may only to be used together with command 'grid'
		2905	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2906	@ use command 'legend' to provide an optional legend in right-top-corner
		2907	@ also see command 'piechart'
		2908	@ multiple linegraphs may be used in a single plot
7989	schaersvoo	2909	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
7614	schaersvoo	2910	@ <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>
7956	schaersvoo	2911	*/
7614	schaersvoo	2912	temp = get_string(infile,1);
		2913	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2914	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	2915	linegraph_cnt++;
		2916	reset();
		2917	break;
7989	schaersvoo	2918	case BARCHART:
		2919	/*
		2920	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2921	@ will be used to create a legend for bar graph
		2922	@ may only to be used together with command 'grid'
		2923	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2924	@ use command 'legend' to provide an optional legend in right-top-corner
		2925	@ also see command 'piechart'
		2926	@ NOTE: your arguments are not checked by canvasdraw : use your javascript console in case of trouble...
		2927	*/
		2928	temp = get_string(infile,1);
		2929	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
		2930	fprintf(js_include_file,"var barchart_%d = [\"%s\"];",barchart_cnt,temp);
		2931	barchart_cnt++;
		2932	reset();
		2933	break;
7614	schaersvoo	2934	case CLOCK:
		2935	/*
		2936	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
7997	schaersvoo	2937	@ use command 'opacity stroke-opacity,fill-opacity' to adjust foreground (stroke) and background (fill) transparency
7614	schaersvoo	2938	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2939	@ 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	2940	@ if you don't want a seconds hand (or minutes...), just make it invisible by using the background color of the hourglass...
7614	schaersvoo	2941	@ 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>
		2942	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2943	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2944	@ 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
7614	schaersvoo	2945	*/
		2946	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2947
		2948	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2949	for(i=0;i<9;i++){
		2950	switch(i){
		2951	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2952	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2953	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2954	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2955	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2956	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2957	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	2958	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2959	switch(int_data[7]){
		2960	case 0:break;
		2961	case 1:if(clock_cnt == 0){
		2962	if( reply_format == 0 ){
7614	schaersvoo	2963	reply_format = 18; /* user sets clock */
7783	schaersvoo	2964	/* 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	2965	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2966	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");
		2967	add_to_buffer(tmp_buffer);
7783	schaersvoo	2968	*/
8109	schaersvoo	2969	fprintf(js_include_file,"var 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 = 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	2970	}
		2971	else
		2972	{
		2973	canvas_error("interactive clock may not be used together with other reply_types...");
		2974	}
8001	schaersvoo	2975	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	2976	}
		2977	break;
		2978	case 2:if( reply_format == 0 ){
		2979	reply_format = 19; /* "onclick */
		2980	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 = 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 = 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 ");
		2981	}
		2982	else
		2983	{
		2984	if( reply_format != 19){
7614	schaersvoo	2985	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2986	}
7783	schaersvoo	2987	}
		2988	break;
		2989	default: canvas_error("interactive must be set 0,1 or 2");break;
		2990	}
		2991	break;
7956	schaersvoo	2992	case 8:
8000	schaersvoo	2993	fprintf(js_include_file,"var clock_bg_opacity = %.2f;var clock_fg_opacity = %.2f;",fill_opacity,stroke_opacity);
7614	schaersvoo	2994	temp = get_string(infile,1);
		2995	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2996	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2997	string_length = snprintf(NULL,0,"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);
		2998	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2999	snprintf(tmp_buffer,string_length,"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);
		3000	add_to_buffer(tmp_buffer);
		3001	clock_cnt++;
		3002	break;
		3003	default:break;
		3004	}
		3005	}
		3006	break;
		3007	case PIECHART:
		3008	/*
		3009	@ piechart xc,yc,radius,'data+colorlist'
		3010	@ (xc : yc) center of circle diagram in xrange/yrange
		3011	@ radius in pixels
		3012	@ 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
		3013	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		3014	@ the number of colors must match the number of data.
		3015	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
7956	schaersvoo	3016	@ 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	3017	*/
7956	schaersvoo	3018	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	3019	for(i=0;i<5;i++){
		3020	switch(i){
		3021	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		3022	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		3023	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		3024	case 3: temp = get_string(infile,1);
		3025	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
7956	schaersvoo	3026	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	3027	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7956	schaersvoo	3028	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	3029	add_to_buffer(tmp_buffer);
		3030	break;
		3031	default:break;
		3032	}
		3033	}
		3034	reset();
		3035	break;
		3036	case STATUS:
7877	schaersvoo	3037	/*
		3038	@status
		3039	@keyword
		3040	@alernative keyword: nostatus
		3041	@used to override the effects of "status=done" in wims (answer.phtml)
		3042	@affects inputfields / textarea's in canvasimage and all userdraw based commands
		3043	@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'
		3044	*/
7956	schaersvoo	3045
7877	schaersvoo	3046	fprintf(js_include_file,"\nwims_status=\"waiting\";\n");
7614	schaersvoo	3047	break;
7735	schaersvoo	3048	case XLOGBASE:
7729	schaersvoo	3049	/*
7735	schaersvoo	3050	@ xlogbase number
		3051	@ sets the logbase number for the x-axis
7729	schaersvoo	3052	@ default value 10
7735	schaersvoo	3053	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	3054	*/
7735	schaersvoo	3055	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	3056	break;
7735	schaersvoo	3057	case YLOGBASE:
		3058	/*
		3059	@ ylogbase number
		3060	@ sets the logbase number for the y-axis
		3061	@ default value 10
		3062	@ use together with commands ylogscale / xylogscale
		3063	*/
		3064	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		3065	break;
7614	schaersvoo	3066	case XLOGSCALE:
		3067	/*
7735	schaersvoo	3068	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		3069	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3070	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		3071	@ the linewidth is set using command 'linewidth int'
		3072	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3073	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7956	schaersvoo	3074	@ 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	3075	@ note: the complete canvas will be used for the 'log paper'
		3076	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3077	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7956	schaersvoo	3078	@ 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	3079	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3080	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	3081	*/
7735	schaersvoo	3082	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3083	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		3084	for(i=0;i<4;i++){
		3085	switch(i){
		3086	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3087	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3088	case 2: stroke_color = get_color(infile,0); break;
7956	schaersvoo	3089	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3090	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	3091	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3092	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	3093	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		3094	add_to_buffer(tmp_buffer);
		3095	break;
		3096	default:break;
		3097	}
		3098	}
7614	schaersvoo	3099	break;
		3100	case YLOGSCALE:
7729	schaersvoo	3101	/*
		3102	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		3103	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3104	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		3105	@ the linewidth is set using command 'linewidth int'
		3106	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	3107	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7956	schaersvoo	3108	@ 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	3109	@ note: the complete canvas will be used for the 'log paper'
		3110	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3111	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7956	schaersvoo	3112	@ 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	3113	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3114	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	3115	*/
		3116	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3117	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		3118	for(i=0;i<4;i++){
		3119	switch(i){
		3120	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		3121	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		3122	case 2: stroke_color = get_color(infile,0); break;
7956	schaersvoo	3123	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	3124	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	3125	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3126	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	3127	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	3128	add_to_buffer(tmp_buffer);
		3129	break;
		3130	default:break;
		3131	}
		3132	}
7614	schaersvoo	3133	break;
		3134	case XYLOGSCALE:
7735	schaersvoo	3135	/*
		3136	@ xylogscale majorcolor,minorcolor
		3137	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		3138	@ the linewidth is set using command 'linewidth int'
		3139	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		3140	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7956	schaersvoo	3141	@ 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	3142	@ note: the complete canvas will be used for the 'log paper'
		3143	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		3144	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7956	schaersvoo	3145	@ 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	3146	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		3147	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		3148	*/
		3149	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		3150	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		3151	for(i=0;i<2;i++){
		3152	switch(i){
		3153	case 0: stroke_color = get_color(infile,0); break;
7956	schaersvoo	3154	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	3155	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	3156	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	3157	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	3158	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		3159	add_to_buffer(tmp_buffer);
		3160	break;
		3161	default:break;
		3162	}
		3163	}
		3164	break;
7614	schaersvoo	3165	default:sync_input(infile);
		3166	break;
		3167	}
7956	schaersvoo	3168	}
7614	schaersvoo	3169	/* we are done parsing script file */
7983	schaersvoo	3170	/* check if xrange / yrange was set explicit ... or use xmin=0 xmax=xsize ymin=0 ymax=ysize : Quadrant I */
		3171	if( found_size_command == 1 ){
		3172	fprintf(js_include_file,"var xmin = 0;var xmax = %d;var ymin = 0;var ymax = %d",xsize,ysize);
		3173	}
		3174	else
		3175	{
		3176	if( found_size_command != 3 ){
		3177	canvas_error("Please specify bothe xrange and yrange ...");
		3178	}
		3179	}
7614	schaersvoo	3180	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		3181	add_javascript_functions(js_function,canvas_root_id);
		3182	/* add read_canvas() etc functions if needed */
8074	schaersvoo	3183	if( reply_format > 0 ){ add_read_canvas(reply_format,reply_precision);}
7797	schaersvoo	3184	if( use_pan_and_zoom == TRUE ){
		3185	/* in case of zooming ... */
7729	schaersvoo	3186	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	3187	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	3188	var ymin_start=ymin;var ymax_start=xmax;\
		3189	var zoom_x_increment=0;var zoom_y_increment=0;\
		3190	var pan_x_increment=0;var pan_y_increment=0;\
		3191	if(use_ylogscale == 0 ){\
7956	schaersvoo	3192	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	3193	}else{\
		3194	zoom_x_increment = (xmax - xmin)/20;\
		3195	pan_x_increment = (xmax - xmin)/20;\
		3196	};\
7653	schaersvoo	3197	function start_canvas%d(type){\
		3198	switch(type){\
7729	schaersvoo	3199	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		3200	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	3201	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		3202	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		3203	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		3204	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		3205	case 6:location.reload();break;\
		3206	default:break;\
		3207	};\
		3208	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		3209	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		3210	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		3211	%s\
		3212	};\
7797	schaersvoo	3213	start_canvas%d(333);\
7614	schaersvoo	3214	};\n\
		3215	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	3216	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		3217	}
		3218	else
		3219	{
		3220	/* no zoom, just add buffer */
		3221	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		3222	%s\
		3223	};\n\
		3224	<!-- end wims_canvas_function -->\n\
		3225	wims_canvas_function%d();\n",buffer,canvas_root_id);
		3226	}
7614	schaersvoo	3227	/* done writing the javascript include file */
		3228	fclose(js_include_file);
		3229
		3230	}
		3231
		3232	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		3233	if(use_tooltip == TRUE){
		3234	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		3235	}
		3236	exit(EXIT_SUCCESS);
		3237	}
		3238	/* end main() */
		3239
		3240	/******************************************************************************
		3241	**
		3242	** sync_input
		3243	**
		3244	** synchronises input line - reads to end of line, leaving file pointer
		3245	** at first character of next line.
		3246	**
		3247	** Used by:
		3248	** main program - error handling.
		3249	**
		3250	******************************************************************************/
		3251	void sync_input(FILE *infile)
		3252	{
		3253	int c = 0;
		3254
7658	schaersvoo	3255	if( c == '\n' \|\| c == ';' ) return;
		3256	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	3257	if( c == EOF ) finished = 1;
7658	schaersvoo	3258	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	3259	return;
		3260	}
		3261
		3262	/******************************************************************************/
		3263
		3264	char str_replace(const char str, const char old, const char new){
		3265	/* http://creativeandcritical.net/str-replace-c/ */
		3266	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		3267	char ret, r;
		3268	const char p, q;
		3269	size_t oldlen = strlen(old);
		3270	size_t count = 0;
		3271	size_t retlen = 0;
		3272	size_t newlen = strlen(new);
		3273	if (oldlen != newlen){
		3274	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		3275	count++;
		3276	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		3277	}
7956	schaersvoo	3278	}
7614	schaersvoo	3279	else
		3280	{
		3281	retlen = strlen(str);
		3282	}
7956	schaersvoo	3283
7614	schaersvoo	3284	if ((ret = malloc(retlen + 1)) == NULL){
		3285	ret = NULL;
		3286	canvas_error("string argument is NULL");
		3287	}
		3288	else
		3289	{
		3290	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		3291	size_t l = q - p;
		3292	memcpy(r, p, l);
		3293	r += l;
		3294	memcpy(r, new, newlen);
		3295	r += newlen;
		3296	}
		3297	strcpy(r, p);
		3298	}
		3299	return ret;
		3300	}
		3301
		3302	/******************************************************************************/
7848	bpr	3303
7614	schaersvoo	3304	char get_color(FILE infile , int last){
		3305	int c,i = 0,is_hex = 0;
		3306	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	3307	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	3308	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		3309	if( c == '#' ){
		3310	is_hex = 1;
		3311	}
		3312	if( c != ' '){
		3313	temp[i]=tolower(c);
		3314	i++;
		3315	}
		3316	}
7956	schaersvoo	3317	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3318	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3319	if( c == EOF ){finished = 1;}
		3320	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3321	temp[i]='\0';
		3322	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		3323	if( is_hex == 1 ){
		3324	char red[3], green[3], blue[3];
		3325	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		3326	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		3327	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		3328	int r = (int) strtol(red, NULL, 16);
		3329	int g = (int) strtol(green, NULL, 16);
		3330	int b = (int) strtol(blue, NULL, 16);
		3331	string = (char *)my_newmem(12);
		3332	snprintf(string,11,"%d,%d,%d",r,g,b);
		3333	return string;
		3334	}
		3335	else
		3336	{
		3337	string = (char *)my_newmem(sizeof(temp));
		3338	snprintf(string,sizeof(temp),"%s",temp);
		3339	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		3340	if( strcmp( colors[i].name , string ) == 0 ){
		3341	return colors[i].rgb;
		3342	}
		3343	}
		3344	}
		3345	/* not found...return error */
		3346	free(string);string = NULL;
		3347	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		3348	return NULL;
		3349	}
		3350
		3351	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3352	int c,i=0;
		3353	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3354	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	3355	temp[i]=c;
		3356	i++;
		3357	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		3358	}
7956	schaersvoo	3359	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3360	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	3361	if( c == EOF ) {
		3362	finished = 1;
		3363	if( last != 1 ){ canvas_error("expected more arguments");}
		3364	}
		3365	temp[i]='\0';
		3366	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		3367	string=(char *)my_newmem(strlen(temp));
		3368	snprintf(string,sizeof(temp),"%s",temp);
		3369	return string;
		3370	}
		3371
		3372	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		3373	int c,i=0;
		3374	char temp[MAX_BUFFER], *string;
7748	schaersvoo	3375	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	3376	temp[i]=c;
		3377	i++;
		3378	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		3379	}
7956	schaersvoo	3380	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	3381	if( c == '\n') { line_number++; }
7614	schaersvoo	3382	if( c == EOF ) {finished = 1;}
		3383	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		3384	temp[i]='\0';
		3385	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		3386	string=(char *)my_newmem(sizeof(temp));
		3387	snprintf(string,sizeof(temp),"%s",temp);
		3388	done = TRUE;
		3389	return string;
		3390	}
		3391
		3392	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		3393	int c,i=0,found_calc = 0;
		3394	double y;
		3395	char tmp[MAX_INT];
7658	schaersvoo	3396	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	3397	if( c != ' ' ){
7956	schaersvoo	3398	/*
		3399	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	3400	We will check after assert() if it's a NULL pointer...and exit program via :
		3401	canvas_error("I'm having trouble parsing your \"expression\" ");
		3402	*/
7956	schaersvoo	3403	if( i == 0 && c == '+' ){
7614	schaersvoo	3404	continue;
7956	schaersvoo	3405	}
7614	schaersvoo	3406	else
		3407	{
		3408	if(canvas_iscalculation(c) != 0){
		3409	found_calc = 1;
		3410	c = tolower(c);
		3411	}
		3412	tmp[i] = c;
		3413	i++;
		3414	}
		3415	}
		3416	if( i > MAX_INT - 1){canvas_error("number too large");}
		3417	}
7956	schaersvoo	3418	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	3419	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	3420	if( c == EOF ){done = TRUE ; finished = 1;}
		3421	tmp[i]='\0';
		3422	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		3423	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	3424	void *f = eval_create(tmp);
7614	schaersvoo	3425	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	3426	y = eval_x(f, 1);
7614	schaersvoo	3427	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	3428	eval_destroy(f);
7614	schaersvoo	3429	}
		3430	else
		3431	{
		3432	y = atof(tmp);
		3433	}
		3434	return y;
		3435	}
		3436	void canvas_error(char *msg){
7748	schaersvoo	3437	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	3438	finished = 1;
		3439	exit(EXIT_SUCCESS);
		3440	}
		3441
		3442
		3443	/* convert x/y coordinates to pixel */
		3444	int x2px(double x){
		3445	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		3446	}
		3447
		3448	int y2px(double y){
		3449	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		3450	}
		3451
		3452	double px2x(int x){
		3453	return (x*(xmax - xmin)/xsize + xmin);
		3454	}
		3455	double px2y(int y){
		3456	return (y*(ymax - ymin)/ysize + ymin);
		3457	}
		3458
		3459	void add_to_buffer(char *tmp){
		3460	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		3461	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		3462	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3463	if( space_left > strlen(tmp)){
		3464	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3465	}
		3466	else
		3467	{
		3468	canvas_error("buffer is too big\n");
		3469	}
		3470	tmp = NULL;free(tmp);
		3471	return;
		3472	}
		3473
		3474	void reset(){
		3475	if(use_filled == TRUE){use_filled = FALSE;}
		3476	if(use_dashed == TRUE){use_dashed = FALSE;}
		3477	if(use_rotate == TRUE){use_rotate = FALSE;}
8101	schaersvoo	3478	onclick = 0;
7614	schaersvoo	3479	}
		3480
		3481
		3482
		3483	/* What reply format in read_canvas();
		3484
		3485	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3486	1 = x1,x2,x3,x4....x_n
		3487	y1,y2,y3,y4....y_n
		3488
		3489	x/y in pixels
		3490
		3491	2 = x1,x2,x3,x4....x_n
		3492	y1,y2,y3,y4....y_n
		3493	x/y in xrange / yrange coordinate system
		3494
		3495	3 = x1,x2,x3,x4....x_n
		3496	y1,y2,y3,y4....y_n
		3497	r1,r2,r3,r4....r_n
		3498
7956	schaersvoo	3499	x/y in pixels
7614	schaersvoo	3500	r in pixels
		3501
		3502	4 = x1,x2,x3,x4....x_n
		3503	y1,y2,y3,y4....y_n
		3504	r1,r2,r3,r4....r_n
		3505
		3506	x/y in xrange / yrange coordinate system
		3507	r in pixels
		3508
		3509	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3510	Ay1,Ay2,Ay3,Ay4....Ay_n
		3511	Bx1,Bx2,Bx3,Bx4....Bx_n
		3512	By1,By2,By3,By4....By_n
		3513	Cx1,Cx2,Cx3,Cx4....Cx_n
		3514	Cy1,Cy2,Cy3,Cy4....Cy_n
		3515	....
		3516	Zx1,Zx2,Zx3,Zx4....Zx_n
		3517	Zy1,Zy2,Zy3,Zy4....Zy_n
7956	schaersvoo	3518
7614	schaersvoo	3519	x/y in pixels
		3520
		3521	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3522	Ay1,Ay2,Ay3,Ay4....Ay_n
		3523	Bx1,Bx2,Bx3,Bx4....Bx_n
		3524	By1,By2,By3,By4....By_n
		3525	Cx1,Cx2,Cx3,Cx4....Cx_n
		3526	Cy1,Cy2,Cy3,Cy4....Cy_n
		3527	....
		3528	Zx1,Zx2,Zx3,Zx4....Zx_n
		3529	Zy1,Zy2,Zy3,Zy4....Zy_n
		3530
		3531	x/y in xrange / yrange coordinate system
7956	schaersvoo	3532
7614	schaersvoo	3533	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7956	schaersvoo	3534
7614	schaersvoo	3535	x/y in pixels
		3536
		3537	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7956	schaersvoo	3538
7614	schaersvoo	3539	x/y in xrange / yrange coordinate system
		3540
7956	schaersvoo	3541	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3542
		3543	x/y in pixels
		3544
7956	schaersvoo	3545	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3546
		3547	x/y in xrange / yrange coordinate system
		3548
		3549	11 = Ax1,Ay1,Ax2,Ay2
		3550	Bx1,By1,Bx2,By2
		3551	Cx1,Cy1,Cx2,Cy2
		3552	Dx1,Dy1,Dx2,Dy2
		3553	......
		3554	Zx1,Zy1,Zx2,Zy2
7956	schaersvoo	3555
7614	schaersvoo	3556	x/y in xrange / yrange coordinate system
		3557
		3558	12 = Ax1,Ay1,Ax2,Ay2
		3559	Bx1,By1,Bx2,By2
		3560	Cx1,Cy1,Cx2,Cy2
		3561	Dx1,Dy1,Dx2,Dy2
		3562	......
		3563	Zx1,Zy1,Zx2,Zy2
7956	schaersvoo	3564
7614	schaersvoo	3565	x/y in pixels
		3566
		3567	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3568
		3569	x/y in xrange / yrange coordinate system
		3570	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3571	x/y in pixels
		3572	15 = reply from inputfields,textareas
		3573	reply1,reply2,reply3,...,reply_n
7984	schaersvoo	3574	only fields set write (a.g. will not read 'readonly' inputfield values'
7614	schaersvoo	3575
		3576	16 = read mathml inputfields only
		3577
		3578	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3579	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3580
		3581	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3582	19 = return clicked object number (analogue to shape-library onclick)
		3583	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3584	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3585	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3586	x/y in xrange / yrange coordinate system
7956	schaersvoo	3587	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7984	schaersvoo	3588	24 = read all inputfield values: even those set 'readonly'
8083	schaersvoo	3589	25 = return all userdrawn arcs in degrees:
		3590	26 = return all userdrawn arcs in radians:
8127	schaersvoo	3591	27 = return (only) userdraw inputfields array: x1:y1:text1,x2:y2:text2...
7614	schaersvoo	3592	*/
		3593
		3594
8074	schaersvoo	3595	void add_read_canvas(int type_reply,int reply_precision){
7614	schaersvoo	3596	/* just 1 reply type allowed */
8074	schaersvoo	3597	fprintf(js_include_file,"\
		3598	\n<!-- begin set_reply_precision() -->\n\
		3599	function set_reply_precision(){\
		3600	var len = userdraw_x.length;\
		3601	var prec = %d;\
		3602	for(var p = 0 ; p < len ; p++ ){\
		3603	userdraw_x[p] = (Math.round(prec*userdraw_x[p]))/prec;\
		3604	userdraw_y[p] = (Math.round(prec*userdraw_y[p]))/prec;\
		3605	};\
		3606	len = userdraw_radius.length;\
		3607	if( len > 0 ){\
		3608	for(var p = 0 ; p < len ; p++ ){\
		3609	userdraw_radius[p] = (Math.round(prec*userdraw_radius[p]))/prec;\
		3610	};\
		3611	};\
		3612	};",reply_precision);
7963	schaersvoo	3613
7614	schaersvoo	3614	switch(type_reply){
8074	schaersvoo	3615	/*
7614	schaersvoo	3616	answers may have:
		3617	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3618	*/
		3619	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3620	\n<!-- begin function 1 read_canvas() -->\n\
8108	schaersvoo	3621	read_canvas = function(){\
7614	schaersvoo	3622	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3623	set_reply_precision();\
7614	schaersvoo	3624	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3625	var p = 0;var input_reply = new Array();\
		3626	if( document.getElementById(\"canvas_input0\")){\
		3627	var t = 0;\
		3628	while(document.getElementById(\"canvas_input\"+t)){\
		3629	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3630	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3631	p++;\
		3632	};\
		3633	t++;\
		3634	};\
		3635	};\
		3636	if( typeof userdraw_text != 'undefined' ){\
		3637	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3638	}\
		3639	else\
		3640	{\
		3641	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3642	}\
		3643	}\
		3644	else\
		3645	{\
		3646	if( typeof userdraw_text != 'undefined' ){\
		3647	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3648	}\
		3649	else\
		3650	{\
		3651	return userdraw_x+\"\\n\"+userdraw_y;\
		3652	}\
		3653	};\
8108	schaersvoo	3654	};\n\
7653	schaersvoo	3655	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3656	break;
		3657	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3658	\n<!-- begin function 2 read_canvas() -->\n\
8108	schaersvoo	3659	read_canvas = function(){\
7614	schaersvoo	3660	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3661	set_reply_precision();\
7614	schaersvoo	3662	var reply_x = new Array();var reply_y = new Array();var p = 0;\
8074	schaersvoo	3663	var prec = %d;\
7614	schaersvoo	3664	while(userdraw_x[p]){\
8074	schaersvoo	3665	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3666	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3667	p++;\
		3668	};\
		3669	if(p == 0){alert(\"nothing drawn...\");return;};\
		3670	if( document.getElementById(\"canvas_input0\")){\
		3671	var p = 0;var input_reply = new Array();\
		3672	if( document.getElementById(\"canvas_input0\")){\
		3673	var t = 0;\
		3674	while(document.getElementById(\"canvas_input\"+t)){\
		3675	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3676	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3677	p++;\
		3678	};\
		3679	t++;\
		3680	};\
		3681	};\
		3682	if( typeof userdraw_text != 'undefined' ){\
		3683	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3684	}\
		3685	else\
		3686	{\
		3687	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3688	}\
		3689	}\
		3690	else\
		3691	{\
		3692	if( typeof userdraw_text != 'undefined' ){\
		3693	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3694	}\
		3695	else\
		3696	{\
		3697	return reply_x+\"\\n\"+reply_y;\
		3698	};\
		3699	};\
8108	schaersvoo	3700	};\n\
8074	schaersvoo	3701	<!-- end function 2 read_canvas() -->",reply_precision);
7614	schaersvoo	3702	break;
		3703	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3704	\n<!-- begin function 3 read_canvas() -->\n\
8108	schaersvoo	3705	read_canvas = function(){\
7614	schaersvoo	3706	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
8074	schaersvoo	3707	set_reply_precision();\
7614	schaersvoo	3708	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3709	var p = 0;var input_reply = new Array();\
		3710	if( document.getElementById(\"canvas_input0\")){\
		3711	var t = 0;\
		3712	while(document.getElementById(\"canvas_input\"+t)){\
		3713	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3714	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3715	p++;\
		3716	};\
		3717	t++;\
		3718	};\
		3719	};\
		3720	if( typeof userdraw_text != 'undefined' ){\
		3721	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3722	}\
		3723	else\
		3724	{\
		3725	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3726	}\
		3727	}\
		3728	else\
		3729	{\
		3730	if( typeof userdraw_text != 'undefined' ){\
		3731	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3732	}\
		3733	else\
		3734	{\
		3735	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3736	}\
		3737	}\
8108	schaersvoo	3738	};\n\
7653	schaersvoo	3739	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3740	break;
		3741	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3742	\n<!-- begin function 4 read_canvas() -->\n\
8108	schaersvoo	3743	read_canvas = function(){\
8074	schaersvoo	3744	var prec = %d;\
7614	schaersvoo	3745	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3746	while(userdraw_x[p]){\
8074	schaersvoo	3747	reply_x[p] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;\
		3748	reply_y[p] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;;\
7614	schaersvoo	3749	p++;\
		3750	};\
		3751	if(p == 0){alert(\"nothing drawn...\");return;};\
		3752	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3753	var p = 0;var input_reply = new Array();\
		3754	if( document.getElementById(\"canvas_input0\")){\
		3755	var t = 0;\
		3756	while(document.getElementById(\"canvas_input\"+t)){\
		3757	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3758	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3759	p++;\
		3760	};\
		3761	t++;\
		3762	};\
		3763	};\
		3764	if( typeof userdraw_text != 'undefined' ){\
		3765	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3766	}\
		3767	else\
		3768	{\
		3769	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3770	}\
		3771	}\
		3772	else\
		3773	{\
		3774	if( typeof userdraw_text != 'undefined' ){\
		3775	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3776	}\
		3777	else\
		3778	{\
		3779	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3780	}\
		3781	};\
8108	schaersvoo	3782	};\n\
8074	schaersvoo	3783	<!-- end function 4 read_canvas() -->",reply_precision);
7614	schaersvoo	3784	break;
7956	schaersvoo	3785	/*
		3786	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3787	used for userdraw multiple paths
7614	schaersvoo	3788	*/
		3789	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3790	\n<!-- begin function 5 read_canvas() -->\n\
8108	schaersvoo	3791	read_canvas = function(){\
8074	schaersvoo	3792	set_reply_precision();\
7614	schaersvoo	3793	var p = 0;\
		3794	var reply = \"\";\
		3795	for(p = 0; p < userdraw_x.length;p++){\
		3796	if(userdraw_x[p] != null ){\
		3797	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3798	};\
		3799	};\
		3800	if(p == 0){alert(\"nothing drawn...\");return;};\
		3801	userdraw_x = [];userdraw_y = [];\
		3802	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3803	var p = 0;var input_reply = new Array();\
		3804	if( document.getElementById(\"canvas_input0\")){\
		3805	var t = 0;\
		3806	while(document.getElementById(\"canvas_input\"+t)){\
		3807	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3808	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3809	p++;\
		3810	};\
		3811	t++;\
		3812	};\
		3813	};\
		3814	if( typeof userdraw_text != 'undefined' ){\
		3815	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3816	}\
		3817	else\
		3818	{\
		3819	return reply +\"\\n\"+input_reply;\
		3820	}\
		3821	}\
		3822	else\
		3823	{\
		3824	if( typeof userdraw_text != 'undefined' ){\
		3825	return reply+\"\\n\"+userdraw_text;\
		3826	}\
		3827	else\
		3828	{\
		3829	return reply;\
		3830	}\
		3831	};\
8108	schaersvoo	3832	};\n\
7653	schaersvoo	3833	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3834	break;
7956	schaersvoo	3835	/*
		3836	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3837	used for userdraw multiple paths
7614	schaersvoo	3838	*/
		3839	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3840	\n<!-- begin function 6 read_canvas() -->\n\
8108	schaersvoo	3841	read_canvas = function(){\
7614	schaersvoo	3842	var p = 0;\
		3843	var reply = \"\";\
		3844	var tmp_x = new Array();\
		3845	var tmp_y = new Array();\
8074	schaersvoo	3846	var prec = %d;\
7614	schaersvoo	3847	for(p = 0 ; p < userdraw_x.length; p++){\
		3848	tmp_x = userdraw_x[p];\
		3849	tmp_y = userdraw_y[p];\
		3850	if(tmp_x != null){\
		3851	for(var i = 0 ; i < tmp_x.length ; i++){\
8074	schaersvoo	3852	tmp_x[i] = (Math.round(prec*(px2x(tmp_x[i]))))/prec;\
		3853	tmp_y[i] = (Math.round(prec*(px2y(tmp_y[i]))))/prec;\
7614	schaersvoo	3854	};\
		3855	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3856	};\
		3857	};\
		3858	if(p == 0){alert(\"nothing drawn...\");return;};\
		3859	userdraw_x = [];userdraw_y = [];\
		3860	if( document.getElementById(\"canvas_input0\") ){\
		3861	var p = 0;var input_reply = new Array();\
		3862	if( document.getElementById(\"canvas_input0\")){\
		3863	var t = 0;\
		3864	while(document.getElementById(\"canvas_input\"+t)){\
		3865	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3866	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3867	p++;\
		3868	};\
		3869	t++;\
		3870	};\
		3871	};\
		3872	if( typeof userdraw_text != 'undefined' ){\
		3873	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3874	}\
		3875	else\
		3876	{\
		3877	return reply +\"\\n\"+input_reply;\
		3878	}\
		3879	}\
		3880	else\
		3881	{\
		3882	if( typeof userdraw_text != 'undefined' ){\
		3883	return reply +\"\\n\"+userdraw_text;\
		3884	}\
		3885	else\
		3886	{\
		3887	return reply;\
		3888	}\
		3889	};\
8108	schaersvoo	3890	};\n\
8074	schaersvoo	3891	<!-- end function 6 read_canvas() -->",reply_precision);
7614	schaersvoo	3892	break;
		3893	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3894	\n<!-- begin function 7 read_canvas() -->\n\
8108	schaersvoo	3895	read_canvas = function(){\
8074	schaersvoo	3896	set_reply_precision();\
7614	schaersvoo	3897	var reply = new Array();\
		3898	var p = 0;\
		3899	while(userdraw_x[p]){\
		3900	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3901	p++;\
		3902	};\
		3903	if(p == 0){alert(\"nothing drawn...\");return;};\
		3904	if( document.getElementById(\"canvas_input0\") ){\
		3905	var p = 0;var input_reply = new Array();\
		3906	if( document.getElementById(\"canvas_input0\")){\
		3907	var t = 0;\
		3908	while(document.getElementById(\"canvas_input\"+t)){\
		3909	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3910	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3911	p++;\
		3912	};\
		3913	t++;\
		3914	};\
		3915	};\
		3916	if( typeof userdraw_text != 'undefined' ){\
		3917	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3918	}\
		3919	else\
		3920	{\
		3921	return reply+\"\\n\"+input_reply;\
		3922	}\
7862	schaersvoo	3923	}\
7614	schaersvoo	3924	else\
		3925	{\
		3926	if( typeof userdraw_text != 'undefined' ){\
		3927	return reply+\"\\n\"+userdraw_text;\
		3928	}\
		3929	else\
		3930	{\
		3931	return reply;\
		3932	}\
		3933	};\
8108	schaersvoo	3934	};\n\
7653	schaersvoo	3935	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3936	break;
		3937	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3938	\n<!-- begin function 8 read_canvas() -->\n\
8108	schaersvoo	3939	read_canvas = function(){\
7614	schaersvoo	3940	var reply = new Array();\
		3941	var p = 0;\
8074	schaersvoo	3942	var prec = %d;\
7614	schaersvoo	3943	while(userdraw_x[p]){\
8074	schaersvoo	3944	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec +\":\" + (Math.round(prec(px2y(userdraw_y[p]))))/prec;\
7614	schaersvoo	3945	p++;\
		3946	};\
		3947	if(p == 0){alert(\"nothing drawn...\");return;};\
		3948	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3949	var p = 0;var input_reply = new Array();\
		3950	if( document.getElementById(\"canvas_input0\")){\
		3951	var t = 0;\
		3952	while(document.getElementById(\"canvas_input\"+t)){\
		3953	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3954	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3955	p++;\
		3956	};\
		3957	t++;\
		3958	};\
		3959	};\
		3960	if( typeof userdraw_text != 'undefined' ){\
		3961	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3962	}\
		3963	else\
		3964	{\
		3965	return reply +\"\\n\"+input_reply;\
		3966	}\
		3967	}\
		3968	else\
		3969	{\
		3970	if( typeof userdraw_text != 'undefined' ){\
		3971	return reply +\"\\n\"+userdraw_text;\
		3972	}\
		3973	else\
		3974	{\
		3975	return reply;\
		3976	}\
		3977	};\
8108	schaersvoo	3978	};\n\
8074	schaersvoo	3979	<!-- end function 8 read_canvas() -->",reply_precision);
7614	schaersvoo	3980	break;
		3981	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3982	\n<!-- begin function 9 read_canvas() -->\n\
8108	schaersvoo	3983	read_canvas = function(){\
8074	schaersvoo	3984	set_reply_precision();\
7614	schaersvoo	3985	var reply = new Array();\
		3986	var p = 0;\
		3987	while(userdraw_x[p]){\
		3988	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3989	p++;\
		3990	};\
		3991	if(p == 0){alert(\"nothing drawn...\");return;};\
		3992	if( document.getElementById(\"canvas_input0\") ){\
		3993	var p = 0;var input_reply = new Array();\
		3994	if( document.getElementById(\"canvas_input0\")){\
		3995	var t = 0;\
		3996	while(document.getElementById(\"canvas_input\"+t)){\
		3997	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3998	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3999	p++;\
		4000	};\
		4001	t++;\
		4002	};\
		4003	};\
		4004	if( typeof userdraw_text != 'undefined' ){\
		4005	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4006	}\
		4007	else\
		4008	{\
		4009	return reply +\"\\n\"+input_reply;\
		4010	}\
		4011	}\
		4012	else\
		4013	{\
		4014	if( typeof userdraw_text != 'undefined' ){\
		4015	return reply +\"\\n\"+userdraw_text;\
		4016	}\
		4017	else\
		4018	{\
		4019	return reply;\
		4020	}\
		4021	};\
8108	schaersvoo	4022	};\n\
7653	schaersvoo	4023	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	4024	break;
		4025	case 10: fprintf(js_include_file,"\
7653	schaersvoo	4026	\n<!-- begin function 10 read_canvas() -->\n\
8108	schaersvoo	4027	read_canvas = function(){\
7614	schaersvoo	4028	var reply = new Array();\
		4029	var p = 0;\
8074	schaersvoo	4030	var prec = %d;\
7614	schaersvoo	4031	while(userdraw_x[p]){\
8074	schaersvoo	4032	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	4033	p++;\
		4034	};\
		4035	if(p == 0){alert(\"nothing drawn...\");return;};\
		4036	if( document.getElementById(\"canvas_input0\") ){\
		4037	var p = 0;var input_reply = new Array();\
		4038	if( document.getElementById(\"canvas_input0\")){\
		4039	var t = 0;\
		4040	while(document.getElementById(\"canvas_input\"+t)){\
		4041	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4042	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4043	p++;\
		4044	};\
		4045	t++;\
		4046	};\
		4047	};\
		4048	if( typeof userdraw_text != 'undefined' ){\
		4049	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4050	}\
		4051	else\
		4052	{\
		4053	return reply +\"\\n\"+input_reply;\
		4054	}\
		4055	}\
		4056	else\
		4057	{\
		4058	if( typeof userdraw_text != 'undefined' ){\
		4059	return reply +\"\\n\"+userdraw_text;\
		4060	}\
		4061	else\
		4062	{\
		4063	return reply;\
		4064	}\
		4065	};\
8108	schaersvoo	4066	};\n\
8074	schaersvoo	4067	<!-- end function 10 read_canvas() -->",reply_precision);
7614	schaersvoo	4068	break;
		4069	case 11: fprintf(js_include_file,"\
7653	schaersvoo	4070	\n<!-- begin function 11 read_canvas() -->\n\
8108	schaersvoo	4071	read_canvas = function(){\
7614	schaersvoo	4072	var reply = \"\";\
		4073	var p = 0;\
8074	schaersvoo	4074	var prec = %d;\
7614	schaersvoo	4075	while(userdraw_x[p]){\
8074	schaersvoo	4076	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	4077	p = p+2;\
		4078	};\
		4079	if(p == 0){alert(\"nothing drawn...\");return;};\
		4080	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		4081	var p = 0;var input_reply = new Array();\
		4082	if( document.getElementById(\"canvas_input0\")){\
		4083	var t = 0;\
		4084	while(document.getElementById(\"canvas_input\"+t)){\
		4085	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4086	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4087	p++;\
		4088	};\
		4089	t++;\
		4090	};\
		4091	};\
		4092	if( typeof userdraw_text != 'undefined' ){\
		4093	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4094	}\
		4095	else\
		4096	{\
		4097	return reply +\"\\n\"+input_reply;\
		4098	}\
		4099	}\
		4100	else\
		4101	{\
		4102	if( typeof userdraw_text != 'undefined' ){\
		4103	return reply +\"\\n\"+userdraw_text;\
		4104	}\
		4105	else\
		4106	{\
		4107	return reply;\
		4108	}\
		4109	};\
8108	schaersvoo	4110	};\n\
8074	schaersvoo	4111	<!-- end function 11 read_canvas() -->",reply_precision);
7614	schaersvoo	4112	break;
		4113	case 12: fprintf(js_include_file,"\
7653	schaersvoo	4114	\n<!-- begin function 12 read_canvas() -->\n\
8108	schaersvoo	4115	read_canvas = function(){\
8074	schaersvoo	4116	set_reply_precision();\
7614	schaersvoo	4117	var reply = \"\";\
		4118	var p = 0;\
		4119	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		4120	if(userdraw_x[p] != null){\
		4121	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		4122	};\
		4123	};\
		4124	if(p == 0){alert(\"nothing drawn...\");return;};\
		4125	if( document.getElementById(\"canvas_input0\") ){\
		4126	var p = 0;var input_reply = new Array();\
		4127	if( document.getElementById(\"canvas_input0\")){\
		4128	var t = 0;\
		4129	while(document.getElementById(\"canvas_input\"+t)){\
		4130	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4131	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4132	p++;\
		4133	};\
		4134	t++;\
		4135	};\
		4136	};\
		4137	if( typeof userdraw_text != 'undefined' ){\
		4138	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4139	}\
		4140	else\
		4141	{\
		4142	return reply +\"\\n\"+input_reply;\
		4143	}\
		4144	}\
		4145	else\
		4146	{\
		4147	if( typeof userdraw_text != 'undefined' ){\
		4148	return reply +\"\\n\"+userdraw_text\
		4149	}\
		4150	else\
		4151	{\
		4152	return reply;\
		4153	}\
		4154	};\
8108	schaersvoo	4155	};\n\
7653	schaersvoo	4156	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	4157	break;
		4158	case 13: fprintf(js_include_file,"\
7653	schaersvoo	4159	\n<!-- begin function 13 read_canvas() -->\n\
8108	schaersvoo	4160	read_canvas = function(){\
7614	schaersvoo	4161	var reply = new Array();\
		4162	var p = 0;var i = 0;\
8074	schaersvoo	4163	var prec = %d;\
7614	schaersvoo	4164	while(userdraw_x[p]){\
8074	schaersvoo	4165	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	4166	p = p+2;i++;\
		4167	};\
		4168	if(p == 0){alert(\"nothing drawn...\");return;};\
		4169	if( document.getElementById(\"canvas_input0\") ){\
		4170	var p = 0;var input_reply = new Array();\
		4171	if( document.getElementById(\"canvas_input0\")){\
		4172	var t = 0;\
		4173	while(document.getElementById(\"canvas_input\"+t)){\
		4174	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4175	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4176	p++;\
		4177	};\
		4178	t++;\
		4179	};\
		4180	};\
		4181	if( typeof userdraw_text != 'undefined' ){\
		4182	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4183	}\
		4184	else\
		4185	{\
		4186	return reply +\"\\n\"+input_reply;\
		4187	}\
		4188	}\
		4189	else\
		4190	{\
		4191	if( typeof userdraw_text != 'undefined' ){\
		4192	return reply +\"\\n\"+userdraw_text\
		4193	}\
		4194	else\
		4195	{\
		4196	return reply;\
		4197	}\
		4198	};\
8108	schaersvoo	4199	};\n\
8074	schaersvoo	4200	<!-- end function 13 read_canvas() -->",reply_precision);
7614	schaersvoo	4201	break;
		4202	case 14: fprintf(js_include_file,"\
7653	schaersvoo	4203	\n<!-- begin function 14 read_canvas() -->\n\
8108	schaersvoo	4204	read_canvas = function(){\
8074	schaersvoo	4205	set_reply_precision();\
7614	schaersvoo	4206	var reply = new Array();\
		4207	var p = 0;var i = 0;\
		4208	while(userdraw_x[p]){\
		4209	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		4210	p = p+2;i++;\
		4211	};\
		4212	if(p == 0){alert(\"nothing drawn...\");return;};\
		4213	if( document.getElementById(\"canvas_input0\") ){\
		4214	var p = 0;var input_reply = new Array();\
		4215	if( document.getElementById(\"canvas_input0\")){\
		4216	var t = 0;\
		4217	while(document.getElementById(\"canvas_input\"+t)){\
		4218	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4219	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4220	p++;\
		4221	};\
		4222	t++;\
		4223	};\
		4224	};\
		4225	if( typeof userdraw_text != 'undefined' ){\
		4226	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4227	}\
		4228	else\
		4229	{\
		4230	return reply +\"\\n\"+input_reply;\
		4231	}\
		4232	}\
		4233	else\
		4234	{\
		4235	if( typeof userdraw_text != 'undefined' ){\
		4236	return reply +\"\\n\"+userdraw_text;\
		4237	}\
		4238	else\
		4239	{\
		4240	return reply;\
		4241	}\
		4242	};\
8108	schaersvoo	4243	};\n\
7653	schaersvoo	4244	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	4245	break;
		4246	case 15: fprintf(js_include_file,"\
7653	schaersvoo	4247	\n<!-- begin function 15 read_canvas() -->\n\
8108	schaersvoo	4248	read_canvas = function(){\
7614	schaersvoo	4249	var input_reply = new Array();\
		4250	var p = 0;\
		4251	if( document.getElementById(\"canvas_input0\")){\
		4252	var t = 0;\
		4253	while(document.getElementById(\"canvas_input\"+t)){\
		4254	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4255	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4256	p++;\
		4257	};\
		4258	t++;\
		4259	};\
		4260	};\
		4261	if( typeof userdraw_text != 'undefined' ){\
		4262	return input_reply +\"\\n\"+userdraw_text;\
		4263	}\
		4264	else\
		4265	{\
		4266	return input_reply;\
		4267	};\
8108	schaersvoo	4268	};\n\
7653	schaersvoo	4269	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	4270	break;
		4271	case 16: fprintf(js_include_file,"\
7653	schaersvoo	4272	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	4273	function read_mathml(){\
		4274	var reply = new Array();\
		4275	var p = 0;\
		4276	if( document.getElementById(\"mathml0\")){\
		4277	while(document.getElementById(\"mathml\"+p)){\
		4278	reply[p] = document.getElementById(\"mathml\"+p).value;\
		4279	p++;\
		4280	};\
		4281	};\
		4282	return reply;\
		4283	};\
		4284	this.read_mathml = read_mathml;\n\
7653	schaersvoo	4285	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	4286	break;
		4287	case 17: fprintf(js_include_file,"\
7653	schaersvoo	4288	\n<!-- begin function 17 read_canvas() -->\n\
8108	schaersvoo	4289	read_canvas = function(){\
7614	schaersvoo	4290	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		4291	return userdraw_text;\
8108	schaersvoo	4292	};\n\
7653	schaersvoo	4293	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	4294	break;
		4295	case 18: fprintf(js_include_file,"\
7653	schaersvoo	4296	\n<!-- begin function 18 read_canvas() -->\n\
8108	schaersvoo	4297	read_canvas = function(){\
7614	schaersvoo	4298	var p = 0;\
		4299	var reply = new Array();\
		4300	var name;\
		4301	var t = true;\
8000	schaersvoo	4302	var h;var m;var s;\
7614	schaersvoo	4303	while(t){\
8000	schaersvoo	4304	try{\
		4305	name = eval('clocks'+p);\
		4306	h = name.H;m = name.M;s = name.S;\
		4307	if(s < 0){s = 60 + s;m = m - 1;};\
		4308	if(m < 0){m = 60 + m;h = h - 1;};\
		4309	if(h < 0){h = 12 + h;};\
		4310	h = parseInt((h+m/60+s/3600)%%12);m = parseInt((m + s/60)%%60);s = parseInt(s%%60);\
		4311	reply[p] = h+\":\"+m+\":\"+s;\
		4312	p++;\
		4313	}catch(e){t=false;};\
7614	schaersvoo	4314	};\
8000	schaersvoo	4315	if( p == 0 ){alert(\"clock(s) not modified...\");return;}\
7614	schaersvoo	4316	return reply;\
8108	schaersvoo	4317	};\n\
7653	schaersvoo	4318	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	4319	break;
		4320	case 19: fprintf(js_include_file,"\
7653	schaersvoo	4321	\n<!-- begin function 19 read_canvas() -->\n\
8108	schaersvoo	4322	read_canvas = function(){\
7614	schaersvoo	4323	return reply[0];\
8108	schaersvoo	4324	};\n\
7653	schaersvoo	4325	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	4326	case 20: fprintf(js_include_file,"\
7653	schaersvoo	4327	\n<!-- begin function 20 read_canvas() -->\n\
8108	schaersvoo	4328	read_canvas = function(){\
8074	schaersvoo	4329	var prec = %d;\
7614	schaersvoo	4330	var len = ext_drag_images.length;\
		4331	var reply = new Array(len);\
		4332	for(var p = 0 ; p < len ; p++){\
		4333	var img = ext_drag_images[p];\
8074	schaersvoo	4334	reply[p] = (Math.round(prec(px2x(img[6]))))/prec+\":\"+(Math.round(prec(px2y(img[7]))))/prec;\
7614	schaersvoo	4335	};\
		4336	return reply;\
8108	schaersvoo	4337	};\n\
8074	schaersvoo	4338	<!-- end function 20 read_canvas() -->",reply_precision);
7614	schaersvoo	4339	break;
		4340	case 21: fprintf(js_include_file,"\
7653	schaersvoo	4341	\n<!-- begin function 21 read_canvas() -->\n\
8108	schaersvoo	4342	read_canvas = function(){\
7614	schaersvoo	4343	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		4344	var reply_coord = new Array();var p = 0;\
8074	schaersvoo	4345	var prec = %d;\
7614	schaersvoo	4346	while(userdraw_x[p]){\
8074	schaersvoo	4347	reply_coord[p] = \"(\"+(Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\")\";\
7614	schaersvoo	4348	p++;\
		4349	};\
		4350	if(p == 0){alert(\"nothing drawn...\");return;};\
		4351	if( document.getElementById(\"canvas_input0\") ){\
		4352	var p = 0;var input_reply = new Array();\
		4353	if( document.getElementById(\"canvas_input0\")){\
		4354	var t = 0;\
		4355	while(document.getElementById(\"canvas_input\"+t)){\
		4356	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4357	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4358	p++;\
		4359	};\
		4360	t++;\
		4361	};\
		4362	};\
		4363	if( typeof userdraw_text != 'undefined' ){\
		4364	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4365	}\
		4366	else\
		4367	{\
		4368	return reply_coord+\"\\n\"+input_reply;\
		4369	}\
		4370	}\
		4371	else\
		4372	{\
		4373	if( typeof userdraw_text != 'undefined' ){\
		4374	return reply_coord+\"\\n\"+userdraw_text;\
		4375	}\
		4376	else\
		4377	{\
		4378	return reply_coord;\
		4379	};\
		4380	};\
8108	schaersvoo	4381	};\n\
8074	schaersvoo	4382	<!-- end function 21 read_canvas() -->",reply_precision);
7614	schaersvoo	4383	break;
		4384	case 22: fprintf(js_include_file,"\
7653	schaersvoo	4385	\n<!-- begin function 22 read_canvas() -->\n\
8108	schaersvoo	4386	read_canvas = function(){\
7614	schaersvoo	4387	var reply = new Array();\
7963	schaersvoo	4388	var lu = userdraw_x.length;\
		4389	if(lu == 0){alert(\"nothing drawn...\");return;};\
7614	schaersvoo	4390	var idx = 0;\
8074	schaersvoo	4391	var prec = %d;\
7963	schaersvoo	4392	for(var p = 0 ; p < lu ; p++){\
8074	schaersvoo	4393	reply[idx] = (Math.round(prec*(px2x(userdraw_x[p]))))/prec;idx++;\
		4394	reply[idx] = (Math.round(prec*(px2y(userdraw_y[p]))))/prec;idx++;\
7614	schaersvoo	4395	};\
		4396	if( document.getElementById(\"canvas_input0\") ){\
		4397	var p = 0;var input_reply = new Array();\
		4398	if( document.getElementById(\"canvas_input0\")){\
		4399	var t = 0;\
		4400	while(document.getElementById(\"canvas_input\"+t)){\
		4401	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4402	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4403	p++;\
		4404	};\
		4405	t++;\
		4406	};\
		4407	};\
		4408	if( typeof userdraw_text != 'undefined' ){\
		4409	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4410	}\
		4411	else\
		4412	{\
		4413	return reply +\"\\n\"+input_reply;\
		4414	}\
		4415	}\
		4416	else\
		4417	{\
		4418	if( typeof userdraw_text != 'undefined' ){\
		4419	return reply +\"\\n\"+userdraw_text;\
		4420	}\
		4421	else\
		4422	{\
		4423	return reply;\
		4424	}\
		4425	};\
8108	schaersvoo	4426	};\n\
8074	schaersvoo	4427	<!-- end function 22 read_canvas() -->",reply_precision);
7614	schaersvoo	4428	break;
7782	schaersvoo	4429	case 23: fprintf(js_include_file,"\
		4430	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
8108	schaersvoo	4431	read_canvas = function(){\
7782	schaersvoo	4432	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		4433	var lu = userdraw_x.length;\
		4434	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
7962	schaersvoo	4435	var reply_x = new Array();var reply_y = new Array();\
		4436	var marge = 5;var p = 0;\
8074	schaersvoo	4437	var prec = %d;\
7782	schaersvoo	4438	for(var i = 0; i < lu - 1 ; i++ ){\
7962	schaersvoo	4439	if( Math.abs(userdraw_x[i] - userdraw_x[i+1])){\
8074	schaersvoo	4440	reply_x[p] = (Math.round(prec(px2x(userdraw_x[i]))))/prec;reply_y[p] = (Math.round(prec(px2y(userdraw_y[i]))))/prec;\
7962	schaersvoo	4441	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		4442	p++;\
7782	schaersvoo	4443	};\
8074	schaersvoo	4444	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	4445	};\
		4446	if( document.getElementById(\"canvas_input0\")){\
		4447	var p = 0;var input_reply = new Array();\
		4448	if( document.getElementById(\"canvas_input0\")){\
		4449	var t = 0;\
		4450	while(document.getElementById(\"canvas_input\"+t)){\
		4451	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		4452	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		4453	p++;\
		4454	};\
		4455	t++;\
		4456	};\
		4457	};\
		4458	if( typeof userdraw_text != 'undefined' ){\
		4459	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		4460	}\
		4461	else\
		4462	{\
		4463	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		4464	}\
		4465	}\
		4466	else\
		4467	{\
		4468	if( typeof userdraw_text != 'undefined' ){\
		4469	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		4470	}\
		4471	else\
		4472	{\
		4473	return reply_x+\"\\n\"+reply_y;\
		4474	};\
		4475	};\
8108	schaersvoo	4476	};\n\
8074	schaersvoo	4477	<!-- end function 23 read_canvas() -->",reply_precision);
7782	schaersvoo	4478	break;
7984	schaersvoo	4479	case 24: fprintf(js_include_file,"\n\
		4480	<!-- begin function 24 read_canvas() -->\n\
8108	schaersvoo	4481	read_canvas = function(){\
7984	schaersvoo	4482	var input_reply = new Array();\
		4483	var p = 0;\
		4484	if( document.getElementById(\"canvas_input0\")){\
		4485	while(document.getElementById(\"canvas_input\"+p)){\
		4486	input_reply[p] = document.getElementById(\"canvas_input\"+p).value;\
		4487	p++;\
		4488	};\
		4489	return input_reply;\
		4490	};\
8108	schaersvoo	4491	};\n\
7984	schaersvoo	4492	<!-- end function 24 read_canvas() -->");
		4493	break;
8083	schaersvoo	4494	case 25:
		4495	fprintf(js_include_file,"\n<!-- begin function 25 read_canvas() : angle(s) in degrees-->\n\
8108	schaersvoo	4496	read_canvas = function(){\
8083	schaersvoo	4497	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4498	var lu = userdraw_radius.length;\
		4499	var prec = %d;\
		4500	var angle_reply = new Array(lu);\
		4501	for(var p = 0 ; p < lu ; p++){\
		4502	angle_reply[p] = (Math.round(prec180(userdraw_radius[p])/Math.PI))/prec;\
		4503	};\
		4504	return angle_reply;\
8108	schaersvoo	4505	};\n\
8083	schaersvoo	4506	<!-- end function 25 read_canvas() -->",reply_precision);
		4507	break;
		4508	case 26:
8127	schaersvoo	4509	fprintf(js_include_file,"\n<!-- begin function 26 read_canvas() : angle(s) in radians-->\n\
8108	schaersvoo	4510	read_canvas = function(){\
8083	schaersvoo	4511	if( userdraw_radius.length < 1){alert(\"nothing drawn...\");return;}\
		4512	var lu = userdraw_radius.length;\
		4513	var prec = %d;\
		4514	var angle_reply = new Array(lu);\
		4515	for(var p = 0 ; p < lu ; p++){\
		4516	angle_reply[p] = (Math.round(prec*(userdraw_radius[p])))/prec;\
		4517	};\
		4518	return angle_reply;\
8108	schaersvoo	4519	};\n\
8127	schaersvoo	4520	<!-- end function 26 read_canvas() -->",reply_precision);
8083	schaersvoo	4521	break;
8127	schaersvoo	4522	case 27:
		4523	fprintf(js_include_file,"\n<!-- begin function 27 read_canvas() : inputfield(s) location and their values : -->\n\
		4524	read_canvas = function(){\
		4525	var lu = userdraw_x.length;\
		4526	if( lu < 1){alert(\"nothing drawn...\");return;}\
		4527	set_reply_precision();\
		4528	var prec = %d;\
		4529	for(var p = 0 ; p < lu ; p++){\
		4530	reply[p] = (Math.round(prec(px2x(userdraw_x[p]))))/prec+\":\"+(Math.round(prec(px2y(userdraw_y[p]))))/prec+\":\"+ document.getElementById(\"canvas_input\"+p).value;\
		4531	};\
		4532	return reply;\
		4533	};\n\
		4534	<!-- end function 27 read_canvas() -->",reply_precision);
		4535	break;
7614	schaersvoo	4536	default: canvas_error("hmmm unknown replyformat...");break;
		4537	}
		4538	return;
		4539	}
		4540
		4541
7956	schaersvoo	4542	/*
		4543	add drawfunction :
7614	schaersvoo	4544	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4545	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4546	- grid / mathml
		4547	- will not scale or zoom in
		4548	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
7956	schaersvoo	4549	- is printed directly into 'js_include_file'
7614	schaersvoo	4550	*/
		4551
		4552	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4553	int i;
		4554	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4555	if( js_functions[i] == 1){
		4556	switch(i){
		4557	case DRAG_EXTERNAL_IMAGE:
		4558	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4559	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4560	var external_ctx = external_canvas.getContext(\"2d\");\
		4561	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4562	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4563	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4564	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4565	var selected_image = null;\
		4566	var ext_image_cnt = 0;\
		4567	var ext_drag_images = new Array();\
		4568	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4569	ext_image_cnt = idx;\
		4570	var image = new Image();\
		4571	image.src = URL;\
		4572	image.onload = function(){\
		4573	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4574	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4575	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
8112	schaersvoo	4576	var img = new Array(10);\
7653	schaersvoo	4577	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4578	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4579	ext_drag_images[idx] = img;\
		4580	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4581	};\
		4582	};\
		4583	function dragstop(evt){\
		4584	selected_image = null;return;\
		4585	};\
		4586	function dragxy(evt){\
		4587	if( selected_image != null ){\
		4588	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4589	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4590	var s_img = ext_drag_images[selected_image];\
		4591	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4592	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4593	ext_drag_images[selected_image] = s_img;\
		4594	external_ctx.clearRect(0,0,xsize,ysize);\
		4595	for(var i = 0; i <= ext_image_cnt ; i++){\
		4596	var img = ext_drag_images[i];\
		4597	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4598	};\
		4599	};\
		4600	};\
		4601	function setxy(evt){\
		4602	if( ! selected_image && evt.which == 1 ){\
		4603	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4604	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4605	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4606	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4607	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4608	var img = ext_drag_images[p];\
		4609	if( img[0] == 1 ){\
		4610	var w = img.width;\
		4611	var h = img.height;\
		4612	if( xm > img[6] && xm < img[6] + img[4]){\
		4613	if( ym > img[7] && ym < img[7] + img[5]){\
		4614	img[6] = xm;\
		4615	img[7] = ym;\
		4616	ext_drag_images[p] = img;\
		4617	selected_image = p;\
		4618	dragxy(evt);\
		4619	};\
		4620	};\
		4621	};\
		4622	};\
		4623	}\
		4624	else\
		4625	{\
		4626	selected_image = null;\
		4627	};\
7614	schaersvoo	4628	};",canvas_root_id);
		4629	break;
		4630
		4631	case DRAW_EXTERNAL_IMAGE:
		4632	fprintf(js_include_file,"\n<!-- draw external images -->\n\
8105	schaersvoo	4633	var draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
7614	schaersvoo	4634	var image = new Image();\
		4635	image.src = URL;\
		4636	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4637	image.onload = function(){\
		4638	if( x0 < 1 ){ x0 = 0; };\
		4639	if( y0 < 1 ){ y0 = 0; };\
		4640	if( sx < 1 ){ sx = 0; };\
		4641	if( sy < 1 ){ sy = 0; };\
		4642	if( width < 1 ){ width = image.width;};\
		4643	if( height < 1 ){ height = image.height;};\
		4644	if( swidth < 1 ){ swidth = image.width;};\
		4645	if( sheight < 1 ){ sheight = image.height;};\
		4646	var ml = x0 - sx;\
		4647	var mh = y0 - sy;\
		4648	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4649	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4650	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4651	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4652	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4653	};\
7956	schaersvoo	4654	};",canvas_root_id);
7614	schaersvoo	4655	break;
		4656	case DRAW_GRIDFILL:/* not used for userdraw */
		4657	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
8105	schaersvoo	4658	var draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
7614	schaersvoo	4659	var obj;\
		4660	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4661	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4662	}\
		4663	else\
		4664	{\
		4665	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4666	};\
		4667	var ctx = obj.getContext(\"2d\");\
		4668	var x,y;\
7883	schaersvoo	4669	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4670	ctx.save();\
		4671	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4672	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4673	ctx.moveTo(x,y0);\
		4674	ctx.lineTo(x,ysize);\
		4675	};\
7645	schaersvoo	4676	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4677	ctx.moveTo(x0,y);\
		4678	ctx.lineTo(xsize,y);\
		4679	};\
		4680	ctx.stroke();\
		4681	ctx.restore();\
7653	schaersvoo	4682	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4683	break;
7956	schaersvoo	4684
7614	schaersvoo	4685	case DRAW_IMAGEFILL:/* not used for userdraw */
		4686	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
8105	schaersvoo	4687	var draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
7614	schaersvoo	4688	var obj;\
		4689	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4690	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4691	}\
		4692	else\
		4693	{\
		4694	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4695	};\
		4696	var ctx = obj.getContext(\"2d\");\
		4697	ctx.save();\
		4698	var img = new Image();\
		4699	img.src = URL;\
		4700	img.onload = function(){\
		4701	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4702	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4703	}\
		4704	else\
		4705	{\
		4706	var repeat = \"repeat\";\
		4707	if(img.width > xsize - x0){\
		4708	repeat = \"repeat-y\";\
		4709	}\
		4710	else\
		4711	{\
		4712	if( img.height > ysize -x0 ){\
		4713	repeat = \"repeat-x\";\
		4714	}\
		4715	}\
		4716	var pattern = ctx.createPattern(img,repeat);\
		4717	ctx.rect(x0,y0,xsize,ysize);\
		4718	ctx.fillStyle = pattern;\
		4719	}\
		4720	ctx.fill();\
		4721	};\
		4722	ctx.restore();\
		4723	return;\
7653	schaersvoo	4724	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4725	break;
7956	schaersvoo	4726
7614	schaersvoo	4727	case DRAW_DOTFILL:/* not used for userdraw */
		4728	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
8105	schaersvoo	4729	var draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
7614	schaersvoo	4730	var obj;\
		4731	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4732	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4733	}\
		4734	else\
		4735	{\
		4736	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4737	};\
		4738	var ctx = obj.getContext(\"2d\");\
		4739	var x,y;\
		4740	ctx.closePath();\
		4741	ctx.save();\
7645	schaersvoo	4742	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4743	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4744	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4745	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4746	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4747	ctx.closePath();\
		4748	}\
		4749	}\
		4750	ctx.fill();\
		4751	ctx.restore();\
7653	schaersvoo	4752	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4753	break;
7645	schaersvoo	4754
7647	schaersvoo	4755	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4756	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	4757	var draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4758	var obj;\
		4759	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4760	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4761	}\
		4762	else\
		4763	{\
		4764	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4765	};\
		4766	var ctx = obj.getContext(\"2d\");\
		4767	var x;\
		4768	var y;\
		4769	ctx.save();\
		4770	ctx.lineWidth = linewidth;\
		4771	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4772	y = ysize;\
		4773	for( x = x0 ; x < xsize ; x = x + dx ){\
		4774	ctx.moveTo(x,y0);\
		4775	ctx.lineTo(xsize,y);\
		4776	y = y - dy;\
		4777	};\
		4778	y = y0;\
		4779	for( x = xsize ; x > 0 ; x = x - dx){\
		4780	ctx.moveTo(x,ysize);\
		4781	ctx.lineTo(x0,y);\
		4782	y = y + dy;\
		4783	};\
		4784	x = x0;\
		4785	for( y = y0 ; y < ysize ; y = y + dy ){\
		4786	ctx.moveTo(xsize,y);\
		4787	ctx.lineTo(x,ysize);\
		4788	x = x + dx;\
		4789	};\
		4790	x = xsize;\
		4791	for( y = ysize ; y > y0 ; y = y - dy ){\
		4792	ctx.moveTo(x,y0);\
		4793	ctx.lineTo(x0,y);\
		4794	x = x - dx;\
		4795	};\
		4796	ctx.stroke();\
		4797	ctx.restore();\
		4798	return;\
7653	schaersvoo	4799	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4800	break;
7956	schaersvoo	4801
7647	schaersvoo	4802	case DRAW_HATCHFILL:/* not used for userdraw */
		4803	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
8105	schaersvoo	4804	var draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7647	schaersvoo	4805	var obj;\
		4806	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4807	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4808	}\
		4809	else\
		4810	{\
		4811	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4812	};\
		4813	var ctx = obj.getContext(\"2d\");\
		4814	var x;\
		4815	var y;\
		4816	ctx.save();\
		4817	ctx.lineWidth = linewidth;\
		4818	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4819	y = ysize;\
		4820	for( x = x0 ; x < xsize ; x = x + dx ){\
		4821	ctx.moveTo(x,y0);\
		4822	ctx.lineTo(xsize,y);\
		4823	y = y - dy;\
		4824	};\
		4825	y = y0;\
		4826	for( x = xsize ; x >= dx ; x = x - dx){\
		4827	ctx.moveTo(x,ysize);\
		4828	ctx.lineTo(x0,y);\
		4829	y = y + dy;\
		4830	};\
		4831	ctx.stroke();\
		4832	ctx.restore();\
		4833	return;\
7653	schaersvoo	4834	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4835	break;
7614	schaersvoo	4836	case DRAW_CIRCLES:/* used for userdraw */
		4837	fprintf(js_include_file,"\n<!-- draw circles -->\n\
8105	schaersvoo	4838	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	4839	ctx.save();\
8071	schaersvoo	4840	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4841	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4842	ctx.lineWidth = line_width;\
		4843	for(var p = 0 ; p < x_points.length ; p++ ){\
		4844	ctx.beginPath();\
		4845	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4846	ctx.closePath();\
		4847	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4848	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4849	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4850	ctx.stroke();\
		4851	}\
		4852	ctx.restore();\
		4853	return;\
7653	schaersvoo	4854	};");
7614	schaersvoo	4855	break;
7663	schaersvoo	4856	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4857	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
8105	schaersvoo	4858	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	4859	ctx.save();\
8071	schaersvoo	4860	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7663	schaersvoo	4861	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4862	ctx.lineWidth = line_width;\
		4863	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4864	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4865	ctx.clearRect(0,0,xsize,ysize);\
		4866	ctx.beginPath();\
		4867	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4868	ctx.moveTo(x_points[p],y_points[p]);\
		4869	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4870	}\
		4871	ctx.closePath();\
		4872	ctx.stroke();\
		4873	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4874	for(var p = 0 ; p < x_points.length ; p++ ){\
		4875	ctx.beginPath();\
		4876	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4877	ctx.closePath();ctx.fill();ctx.stroke();\
		4878	};\
		4879	ctx.restore();\
		4880	return;\
		4881	};");
		4882	break;
7956	schaersvoo	4883
7614	schaersvoo	4884	case DRAW_SEGMENTS:/* used for userdraw */
		4885	fprintf(js_include_file,"\n<!-- draw segments -->\n\
8105	schaersvoo	4886	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	4887	ctx.save();\
8071	schaersvoo	4888	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4889	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4890	ctx.lineWidth = line_width;\
		4891	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4892	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4893	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4894	ctx.beginPath();\
		4895	ctx.moveTo(x_points[p],y_points[p]);\
		4896	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4897	ctx.closePath();\
		4898	ctx.stroke();\
		4899	}\
		4900	ctx.restore();\
		4901	return;\
		4902	};");
		4903	break;
7956	schaersvoo	4904
7614	schaersvoo	4905	case DRAW_LINES:/* used for userdraw */
		4906	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4907	function calc_line(x1,x2,y1,y2){\
		4908	var marge = 2;\
		4909	if(x1 < x2+marge && x1>x2-marge){\
		4910	return [x1,0,x1,ysize];\
		4911	};\
		4912	if(y1 < y2+marge && y1>y2-marge){\
		4913	return [0,y1,xsize,y1];\
		4914	};\
		4915	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4916	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4917	return [0,Y1,xsize,Y2];\
		4918	};\
8105	schaersvoo	4919	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	4920	ctx.save();\
		4921	var line = new Array(4);\
8071	schaersvoo	4922	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4923	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4924	ctx.lineWidth = line_width;\
		4925	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4926	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4927	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4928	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4929	ctx.beginPath();\
		4930	ctx.moveTo(line[0],line[1]);\
		4931	ctx.lineTo(line[2],line[3]);\
		4932	ctx.closePath();\
		4933	ctx.stroke();\
		4934	}\
		4935	ctx.restore();\
		4936	return;\
		4937	};");
		4938	break;
		4939
		4940	case DRAW_CROSSHAIRS:/* used for userdraw */
		4941	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
8105	schaersvoo	4942	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	4943	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4944	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4945	ctx.lineWidth = line_width;\
		4946	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4947	var x1,x2,y1,y2;\
		4948	for(var p = 0 ; p < x_points.length ; p++ ){\
		4949	x1 = x_points[p] - crosshair_size;\
		4950	x2 = x_points[p] + crosshair_size;\
		4951	y1 = y_points[p] - crosshair_size;\
		4952	y2 = y_points[p] + crosshair_size;\
		4953	ctx.beginPath();\
		4954	ctx.moveTo(x1,y1);\
		4955	ctx.lineTo(x2,y2);\
		4956	ctx.closePath();\
		4957	ctx.stroke();\
		4958	ctx.beginPath();\
		4959	ctx.moveTo(x2,y1);\
		4960	ctx.lineTo(x1,y2);\
		4961	ctx.closePath();\
		4962	ctx.stroke();\
		4963	}\
		4964	ctx.restore();\
		4965	return;\
7653	schaersvoo	4966	};");
7614	schaersvoo	4967	break;
		4968
		4969	case DRAW_RECTS:/* used for userdraw */
		4970	fprintf(js_include_file,"\n<!-- draw rects -->\n\
8105	schaersvoo	4971	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	4972	ctx.save();\
8071	schaersvoo	4973	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4974	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4975	ctx.lineWidth = line_width;\
		4976	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4977	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4978	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4979	ctx.beginPath();\
		4980	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4981	ctx.closePath();\
		4982	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4983	ctx.stroke();\
		4984	};\
		4985	ctx.restore();\
		4986	return;\
7653	schaersvoo	4987	};");
7614	schaersvoo	4988	break;
		4989
		4990	case DRAW_ROUNDRECTS:/* used for userdraw */
		4991	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
8105	schaersvoo	4992	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	4993	ctx.save();\
8071	schaersvoo	4994	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	4995	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4996	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4997	var x,y,w,h,r;\
		4998	for(var p = 0; p < x_points.length; p = p+2){\
		4999	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);\
		5000	ctx.beginPath();ctx.moveTo(x + r, y);\
		5001	ctx.lineTo(x + w - r, y);\
		5002	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		5003	ctx.lineTo(x + w, y + h - r);\
		5004	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		5005	ctx.lineTo(x + r, y + h);\
		5006	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		5007	ctx.lineTo(x, y + r);\
		5008	ctx.quadraticCurveTo(x, y, x + r, y);\
		5009	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		5010	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5011	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		5012	ctx.stroke();\
		5013	}\
		5014	ctx.restore();\
7653	schaersvoo	5015	};");
7956	schaersvoo	5016	break;
7614	schaersvoo	5017
		5018	case DRAW_ELLIPSES:/* not used for userdraw */
		5019	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
8105	schaersvoo	5020	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	5021	var obj;\
		5022	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5023	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5024	}\
		5025	else\
		5026	{\
		5027	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5028	};\
		5029	var ctx = obj.getContext(\"2d\");\
		5030	ctx.save();\
8071	schaersvoo	5031	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5032	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5033	var cx,cy,ry,rx;\
		5034	ctx.lineWidth = line_width;\
		5035	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		5036	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5037	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5038	for(var p=0;p< x_points.length;p = p+2){\
		5039	ctx.beginPath();\
		5040	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		5041	ctx.translate(cx - rx, cy - ry);\
		5042	ctx.scale(rx, ry);\
		5043	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		5044	if( use_filled == 1 ){ctx.fill();}\
		5045	ctx.stroke();\
		5046	};\
		5047	ctx.restore();\
7653	schaersvoo	5048	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5049	break;
		5050
		5051	case DRAW_PATHS: /* used for userdraw */
		5052	fprintf(js_include_file,"\n<!-- draw paths -->\n\
8105	schaersvoo	5053	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	5054	ctx.save();\
8071	schaersvoo	5055	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5056	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5057	ctx.lineWidth = line_width;\
		5058	ctx.lineJoin = \"round\";\
		5059	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5060	ctx.beginPath();\
		5061	ctx.moveTo(x_points[0],y_points[0]);\
		5062	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		5063	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		5064	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5065	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		5066	ctx.stroke();\
		5067	ctx.restore();\
		5068	return;\
		5069	};");
7956	schaersvoo	5070
7614	schaersvoo	5071	break;
		5072	case DRAW_ARROWS:/* used for userdraw */
		5073	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
8105	schaersvoo	5074	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	5075	ctx.save();\
8071	schaersvoo	5076	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5077	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5078	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5079	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5080	ctx.lineWidth = line_width;\
		5081	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5082	ctx.lineCap = \"round\";\
		5083	var x1,y1,x2,y2,dx,dy,len;\
		5084	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
7874	schaersvoo	5085	ctx.save();\
7614	schaersvoo	5086	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		5087	len = Math.sqrt(dxdx+dydy);\
		5088	ctx.translate(x2,y2);\
		5089	ctx.rotate(Math.atan2(dy,dx));\
		5090	ctx.lineCap = \"round\";\
		5091	ctx.beginPath();\
		5092	ctx.moveTo(0,0);\
		5093	ctx.lineTo(-len,0);\
		5094	ctx.closePath();\
		5095	ctx.stroke();\
		5096	ctx.beginPath();\
		5097	ctx.moveTo(0,0);\
		5098	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5099	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5100	ctx.closePath();\
		5101	ctx.fill();\
7874	schaersvoo	5102	ctx.restore();\
7614	schaersvoo	5103	if( type == 2 ){\
		5104	ctx.save();\
		5105	ctx.translate(x1,y1);\
		5106	ctx.rotate(Math.atan2(-dy,-dx));\
		5107	ctx.beginPath();\
		5108	ctx.moveTo(0,0);\
		5109	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		5110	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		5111	ctx.closePath();\
		5112	ctx.stroke();\
		5113	ctx.fill();\
7874	schaersvoo	5114	ctx.restore();\
7614	schaersvoo	5115	}\
		5116	}\
		5117	ctx.restore();\
		5118	return;\
7653	schaersvoo	5119	};");
7614	schaersvoo	5120	break;
		5121
		5122	case DRAW_VIDEO:/* not used for userdraw */
		5123	fprintf(js_include_file,"\n<!-- draw video -->\n\
8105	schaersvoo	5124	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5125	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5126	var video_div = document.createElement(\"div\");\
		5127	canvas_div.appendChild(video_div);\
		5128	video_div.style.position = \"absolute\";\
		5129	video_div.style.left = x+\"px\";\
		5130	video_div.style.top = y+\"px\";\
		5131	video_div.style.width = w+\"px\";\
		5132	video_div.style.height = h+\"px\";\
		5133	var video = document.createElement(\"video\");\
		5134	video_div.appendChild(video);\
		5135	video.style.width = w+\"px\";\
		5136	video.style.height = h+\"px\";\
		5137	video.autobuffer = true;\
		5138	video.controls = true;video.autoplay = false;\
		5139	var src = document.createElement(\"source\");\
		5140	src.type = \"video/mp4\";\
		5141	src.src = URL;\
		5142	video.appendChild(src);\
		5143	video.load();\
		5144	return;\
7956	schaersvoo	5145	};");
7614	schaersvoo	5146	break;
7956	schaersvoo	5147
7614	schaersvoo	5148	case DRAW_AUDIO:/* not used for userdraw */
		5149	fprintf(js_include_file,"\n<!-- draw audio -->\n\
8105	schaersvoo	5150	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
7614	schaersvoo	5151	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5152	var audio_div = document.createElement(\"div\");\
		5153	canvas_div.appendChild(audio_div);\
		5154	audio_div.style.position = \"absolute\";\
		5155	audio_div.style.left = x+\"px\";\
		5156	audio_div.style.top = y+\"px\";\
		5157	audio_div.style.width = w+\"px\";\
		5158	audio_div.style.height = h+\"px\";\
		5159	var audio = document.createElement(\"audio\");\
		5160	audio_div.appendChild(audio);\
		5161	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		5162	audio.autobuffer = true;\
		5163	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		5164	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		5165	var src1 = document.createElement(\"source\");\
		5166	src1.type = \"audio/ogg\";\
		5167	src1.src = URL1;\
		5168	audio.appendChild(src1);\
		5169	var src2 = document.createElement(\"source\");\
		5170	src2.type = \"audio/mpeg\";\
		5171	src2.src = URL2;\
		5172	audio.appendChild(src2);\
		5173	audio.load();\
		5174	return;\
7653	schaersvoo	5175	};");
7614	schaersvoo	5176	break;
7956	schaersvoo	5177
7614	schaersvoo	5178	case DRAW_HTTP:/* not used for userdraw */
		5179	fprintf(js_include_file,"\n<!-- draw http -->\n\
8105	schaersvoo	5180	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
7614	schaersvoo	5181	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5182	var http_div = document.createElement(\"div\");\
		5183	var iframe = document.createElement(\"iframe\");\
		5184	canvas_div.appendChild(http_div);\
		5185	http_div.appendChild(iframe);\
		5186	iframe.src = URL;\
		5187	iframe.setAttribute(\"width\",w);\
		5188	iframe.setAttribute(\"height\",h);\
		5189	return;\
7653	schaersvoo	5190	};");
7614	schaersvoo	5191	break;
7956	schaersvoo	5192
7614	schaersvoo	5193	case DRAW_XML:
		5194	fprintf(js_include_file,"\n<!-- draw xml -->\n\
8105	schaersvoo	5195	var draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
7614	schaersvoo	5196	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		5197	var xml_div = document.createElement(\"div\");\
		5198	canvas_div.appendChild(xml_div);\
		5199	xml_div.innerHTML = mathml;\
		5200	if(onclick != 0){\
		5201	xml_div.onclick = function(){\
		5202	reply[0] = onclick;\
		5203	alert(\"send \"+onclick+\" ?\");\
		5204	};\
		5205	};\
		5206	xml_div.style.position = \"absolute\";\
		5207	xml_div.style.left = x+\"px\";\
		5208	xml_div.style.top = y+\"px\";\
		5209	xml_div.style.width = w+\"px\";\
		5210	xml_div.style.height = h+\"px\";\
		5211	return;\
7653	schaersvoo	5212	};"
7614	schaersvoo	5213	);
		5214	break;
7654	schaersvoo	5215	case DRAW_SGRAPH:
7956	schaersvoo	5216	/*
7654	schaersvoo	5217	xstart = given
		5218	ystart = given
		5219	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		5220	*/
		5221	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
8105	schaersvoo	5222	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
7658	schaersvoo	5223	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);};\
		5224	var ctx = obj.getContext(\"2d\");\
		5225	ctx.font = fontfamily;\
		5226	var minor_opacity = 0.8*opacity;\
		5227	ctx.clearRect(0,0,xsize,ysize);\
7976	schaersvoo	5228	var zero_x = 0.1*xsize;\
		5229	var zero_y = 0.9*ysize;\
8129	schaersvoo	5230	var snor_x;var snor_y;\
7654	schaersvoo	5231	if( xstart != xmin){\
7658	schaersvoo	5232	snor_x = 0.1*xsize;\
		5233	}\
		5234	else\
		5235	{\
		5236	snor_x = 0;\
		5237	xstart = xmin;\
		5238	};\
		5239	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5240	ctx.lineWidth = 2;\
		5241	ctx.beginPath();\
		5242	ctx.moveTo(xsize,zero_y);\
		5243	ctx.lineTo(zero_x,zero_y);\
		5244	ctx.lineTo(zero_x,0);\
		5245	ctx.stroke();\
		5246	ctx.closePath();\
		5247	ctx.beginPath();\
		5248	ctx.moveTo(zero_x,zero_y);\
		5249	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		5250	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		5251	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		5252	ctx.lineTo(zero_x + snor_x,zero_y);\
		5253	ctx.stroke();\
		5254	ctx.closePath();\
		5255	ctx.beginPath();\
		5256	var num = xstart;\
7660	schaersvoo	5257	var flipflop = 1;\
7658	schaersvoo	5258	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
7976	schaersvoo	5259	var txtsize;var txt_marge=step_x - 5;\
7658	schaersvoo	5260	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7976	schaersvoo	5261	txtsize = ctx.measureText(num).width;\
		5262	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		5263	if( flipflop == 1){\
		5264	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		5265	}\
		5266	else\
		5267	{\
		5268	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		5269	}\
		5270	num = num + xmajor;\
7658	schaersvoo	5271	};\
		5272	ctx.stroke();\
		5273	ctx.closePath();\
		5274	ctx.lineWidth = 1;\
		5275	ctx.beginPath();\
		5276	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5277	ctx.moveTo(x,zero_y);\
		5278	ctx.lineTo(x,0);\
		5279	};\
		5280	ctx.stroke();\
		5281	ctx.closePath();\
		5282	if( xminor > 1){\
		5283	ctx.lineWidth = 0.5;\
		5284	ctx.beginPath();\
		5285	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5286	var minor_step_x = step_x / xminor;\
		5287	var nx;\
		5288	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		5289	num = 1;\
		5290	for(var p = 1 ; p < xminor ; p++){\
		5291	nx = x + num*minor_step_x;\
		5292	ctx.moveTo(nx,zero_y);\
		5293	ctx.lineTo(nx,0);\
		5294	num++;\
		5295	};\
		5296	};\
		5297	ctx.stroke();\
		5298	ctx.closePath();\
		5299	ctx.beginPath();\
		5300	ctx.lineWidth = 2;\
		5301	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5302	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		5303	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		5304	};\
		5305	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		5306	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		5307	};\
		5308	ctx.stroke();\
		5309	ctx.closePath();\
		5310	ctx.lineWidth = 0.5;\
		5311	};\
		5312	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		5313	if( ystart != ymin){\
		5314	snor_y = 0.1*ysize;\
		5315	}\
		5316	else\
		5317	{\
		5318	snor_y = 0;\
		5319	ystart = ymin;\
		5320	};\
		5321	ctx.lineWidth = 2;\
		5322	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5323	ctx.beginPath();\
		5324	ctx.moveTo(zero_x,zero_y);\
		5325	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		5326	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		5327	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		5328	ctx.lineTo(zero_x,zero_y - snor_y);\
		5329	ctx.stroke();\
		5330	ctx.closePath();\
		5331	ctx.beginPath();\
		5332	ctx.lineWidth = 1;\
		5333	num = ystart;\
		5334	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		5335	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		5336	ctx.moveTo(zero_x,y);\
		5337	ctx.lineTo(xsize,y);\
		5338	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		5339	num = num + ymajor;\
		5340	};\
		5341	ctx.stroke();\
		5342	ctx.closePath();\
		5343	if( yminor > 1){\
		5344	ctx.lineWidth = 0.5;\
		5345	ctx.beginPath();\
		5346	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		5347	var minor_step_y = step_y / yminor;\
		5348	var ny;\
		5349	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		5350	num = 1;\
		5351	for(var p = 1 ;p < yminor;p++){\
		5352	ny = y + num*minor_step_y;\
		5353	ctx.moveTo(zero_x,ny);\
		5354	ctx.lineTo(xsize,ny);\
		5355	num++;\
		5356	};\
		5357	};\
		5358	ctx.stroke();\
		5359	ctx.closePath();\
		5360	ctx.lineWidth = 2;\
		5361	ctx.beginPath();\
		5362	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		5363	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		5364	ctx.moveTo(zero_x,y);\
		5365	ctx.lineTo(zero_x+12,y);\
		5366	};\
		5367	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		5368	ctx.moveTo(zero_x,y);\
		5369	ctx.lineTo(zero_x+6,y);\
		5370	};\
		5371	ctx.stroke();\
		5372	ctx.closePath();\
		5373	};\
		5374	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	5375	if( typeof legend%d !== 'undefined' ){\
		5376	ctx.globalAlpha = 1.0;\
		5377	var y_offset = 2*font_size;\
		5378	var txt;var txt_size;\
		5379	var x_offset = xsize - 2*font_size;\
		5380	var l_length = legend%d.length;var barcolor = new Array();\
		5381	if( typeof legendcolors%d !== 'undefined' ){\
		5382	for(var p = 0 ; p < l_length ; p++){\
		5383	barcolor[p] = legendcolors%d[p];\
		5384	};\
		5385	}else{\
		5386	if( barcolor.length == 0 ){\
		5387	for(var p = 0 ; p < l_length ; p++){\
		5388	barcolor[p] = stroke_color;\
		5389	};\
		5390	};\
		5391	};\
		5392	for(var p = 0; p < l_length; p++){\
		5393	ctx.fillStyle = barcolor[p];\
		5394	txt = legend%d[p];\
		5395	txt_size = ctx.measureText(txt).width;\
		5396	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5397	y_offset = parseInt(y_offset + 1.5*font_size);\
		5398	};\
		5399	};\
7660	schaersvoo	5400	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	5401	ctx.fillStyle = \'#000000\';\
		5402	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		5403	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		5404	};\
7660	schaersvoo	5405	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	5406	ctx.save();\
		5407	ctx.fillStyle = \'#000000\';\
		5408	var txt_size = ctx.measureText(yaxislabel).width;\
		5409	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		5410	ctx.rotate(-0.5*Math.PI);\
		5411	ctx.fillText(yaxislabel,0,0);\
7874	schaersvoo	5412	ctx.restore();\
7658	schaersvoo	5413	};\
7654	schaersvoo	5414	};\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);
		5415	break;
7614	schaersvoo	5416
		5417	case DRAW_GRID:/* not used for userdraw */
		5418	fprintf(js_include_file,"\n<!-- draw grid -->\n\
8105	schaersvoo	5419	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	5420	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);};\
		5421	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
7614	schaersvoo	5422	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5423	ctx.save();\
8071	schaersvoo	5424	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5425	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		5426	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5427	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		5428	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		5429	ctx.font = font_family;\
7988	schaersvoo	5430	var barcolor = new Array();\
7614	schaersvoo	5431	var xstep = xsize*xmajor/(xmax - xmin);\
		5432	var ystep = ysize*ymajor/(ymax - ymin);\
		5433	var x2step = xstep / xminor;\
		5434	var y2step = ystep / yminor;\
7996	schaersvoo	5435	var zero_x = x2px(0);;var zero_y = y2px(0);var f_x;var f_y;\
		5436	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;}\
		5437	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;}\
7614	schaersvoo	5438	ctx.beginPath();\
		5439	ctx.lineWidth = line_width;\
		5440	ctx.strokeStyle = stroke_color;\
		5441	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5442	ctx.moveTo(p,0);\
		5443	ctx.lineTo(p,ysize);\
		5444	};\
		5445	for(var p = zero_x ; p > 0; p = p - xstep){\
		5446	ctx.moveTo(p,0);\
		5447	ctx.lineTo(p,ysize);\
		5448	};\
		5449	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5450	ctx.moveTo(0,p);\
		5451	ctx.lineTo(xsize,p);\
		5452	};\
		5453	for(var p = zero_y ; p > 0; p = p - ystep){\
		5454	ctx.moveTo(0,p);\
		5455	ctx.lineTo(xsize,p);\
		5456	};\
		5457	if( typeof xaxislabel !== 'undefined' ){\
		5458	ctx.save();\
		5459	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		5460	var corr = ctx.measureText(xaxislabel).width;\
		5461	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		5462	ctx.restore();\
		5463	};\
		5464	if( typeof yaxislabel !== 'undefined' ){\
		5465	ctx.save();\
		5466	ctx.font = \"italic \"+font_size+\"px Ariel\";\
7988	schaersvoo	5467	var corr = ctx.measureText(yaxislabel).width;\
7614	schaersvoo	5468	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		5469	ctx.rotate(-0.5*Math.PI);\
		5470	ctx.fillText(yaxislabel,0,0);\
		5471	ctx.restore();\
		5472	};\
		5473	ctx.stroke();\
		5474	ctx.closePath();\
		5475	if( use_axis == 1 ){\
7988	schaersvoo	5476	ctx.save();\
7614	schaersvoo	5477	ctx.beginPath();\
		5478	ctx.strokeStyle = stroke_color;\
		5479	ctx.lineWidth = 0.6*line_width;\
		5480	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5481	ctx.moveTo(p,0);\
		5482	ctx.lineTo(p,ysize);\
		5483	};\
		5484	for(var p = zero_x ; p > 0; p = p - x2step){\
		5485	ctx.moveTo(p,0);\
		5486	ctx.lineTo(p,ysize);\
		5487	};\
		5488	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5489	ctx.moveTo(0,p);\
		5490	ctx.lineTo(xsize,p);\
		5491	};\
		5492	for(var p = zero_y ; p > 0; p = p - y2step){\
		5493	ctx.moveTo(0,p);\
		5494	ctx.lineTo(xsize,p);\
		5495	};\
		5496	ctx.stroke();\
		5497	ctx.closePath();\
		5498	ctx.beginPath();\
		5499	ctx.lineWidth = 2*line_width;\
		5500	ctx.strokeStyle = axis_color;\
		5501	ctx.moveTo(0,zero_y);\
		5502	ctx.lineTo(xsize,zero_y);\
		5503	ctx.moveTo(zero_x,0);\
		5504	ctx.lineTo(zero_x,ysize);\
		5505	ctx.stroke();\
		5506	ctx.closePath();\
		5507	ctx.lineWidth = line_width+0.5;\
		5508	ctx.beginPath();\
		5509	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5510	ctx.moveTo(p,zero_y-tics_length);\
		5511	ctx.lineTo(p,zero_y+tics_length);\
		5512	};\
		5513	for(var p = zero_x ; p > 0; p = p - xstep){\
		5514	ctx.moveTo(p,zero_y-tics_length);\
		5515	ctx.lineTo(p,zero_y+tics_length);\
		5516	};\
		5517	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5518	ctx.moveTo(zero_x-tics_length,p);\
		5519	ctx.lineTo(zero_x+tics_length,p);\
		5520	};\
		5521	for(var p = zero_y ; p > 0; p = p - ystep){\
		5522	ctx.moveTo(zero_x-tics_length,p);\
		5523	ctx.lineTo(zero_x+tics_length,p);\
		5524	};\
		5525	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5526	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5527	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5528	};\
		5529	for(var p = zero_x ; p > 0; p = p - x2step){\
		5530	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5531	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5532	};\
		5533	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5534	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5535	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5536	};\
		5537	for(var p = zero_y ; p > 0; p = p - y2step){\
		5538	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5539	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5540	};\
		5541	ctx.stroke();\
		5542	ctx.closePath();\
7988	schaersvoo	5543	ctx.restore();\
		5544	};\
		5545	if( use_axis_numbering == 1 ){\
		5546	ctx.save();\
		5547	ctx.fillColor = axis_color;\
8110	schaersvoo	5548	ctx.strokeStyle = axis_color;\
		5549	ctx.lineWidth = 2*line_width;\
7988	schaersvoo	5550	ctx.font = font_family;\
		5551	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5552	if( x_strings != null ){\
		5553	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5554	ctx.beginPath();\
7988	schaersvoo	5555	for(var p = 0 ; p < len ; p = p+2){\
		5556	var x_nums = x2px(eval(x_strings[p]));\
		5557	var x_text = x_strings[p+1];\
		5558	corr = ctx.measureText(x_text).width;\
		5559	skip = 1.2*corr/xstep;\
		5560	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5561	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5562	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
8110	schaersvoo	5563	ctx.moveTo(x_nums,zero_y - tics_length);\
		5564	ctx.lineTo(x_nums,zero_y + tics_length);\
7988	schaersvoo	5565	};\
8110	schaersvoo	5566	ctx.closePath();\
7988	schaersvoo	5567	}\
		5568	else\
		5569	{\
		5570	skip = 1;cnt = px2x(zero_x);\
		5571	prec = Math.log(precision)/(Math.log(10));\
		5572	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		5573	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		5574	if(skip == 0 ){\
7990	schaersvoo	5575	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5576	corr = ctx.measureText(disp_cnt).width;\
		5577	skip = parseInt(1.2*corr/xstep);\
		5578	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
7614	schaersvoo	5579	}\
7988	schaersvoo	5580	else\
		5581	{\
		5582	skip--;\
7614	schaersvoo	5583	};\
7988	schaersvoo	5584	cnt = cnt + xmajor;\
7614	schaersvoo	5585	};\
7988	schaersvoo	5586	cnt = px2x(zero_x);skip = 1;\
		5587	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		5588	if(skip == 0 ){\
7990	schaersvoo	5589	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5590	corr = ctx.measureText(disp_cnt).width;\
		5591	skip = parseInt(1.2*corr/xstep);\
		5592	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		5593	}\
		5594	else\
		5595	{\
		5596	skip--;\
7614	schaersvoo	5597	};\
7988	schaersvoo	5598	cnt = cnt - xmajor;\
7614	schaersvoo	5599	};\
		5600	};\
7988	schaersvoo	5601	if( y_strings != null ){\
		5602	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
8110	schaersvoo	5603	ctx.beginPath();\
7988	schaersvoo	5604	for(var p = 0 ; p < len ; p = p+2){\
		5605	var y_nums = y2px(eval(y_strings[p]));\
		5606	var y_text = y_strings[p+1];\
		5607	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5608	if( corr > zero_x){corr = parseInt(zero_x+2); }\
8110	schaersvoo	5609	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		5610	ctx.moveTo(zero_x - tics_length,y_nums);\
		5611	ctx.lineTo(zero_x + tics_length,y_nums);\
7614	schaersvoo	5612	};\
8110	schaersvoo	5613	ctx.closePath();\
7988	schaersvoo	5614	}\
		5615	else\
		5616	{\
7991	schaersvoo	5617	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5618	cnt = px2y(zero_y);skip = 1;\
		5619	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		5620	if(skip == 0 ){\
		5621	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5622	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5623	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5624	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5625	}\
		5626	else\
		5627	{\
		5628	skip--;\
		5629	};\
		5630	cnt = cnt - ymajor;\
7614	schaersvoo	5631	};\
7988	schaersvoo	5632	corr = 0;cnt = px2y(zero_y);skip = 1;\
7991	schaersvoo	5633	if(f_x == 1){ corr = 1.5*tics_length; }\
7988	schaersvoo	5634	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		5635	if(skip == 0 ){\
		5636	skip = parseInt(1.4*font_size/ystep);\
7990	schaersvoo	5637	disp_cnt = cnt.toFixed(prec);\
7988	schaersvoo	5638	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		5639	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		5640	}\
		5641	else\
		5642	{\
		5643	skip--;\
		5644	};\
		5645	cnt = cnt + ymajor;\
7614	schaersvoo	5646	};\
		5647	};\
7988	schaersvoo	5648	ctx.stroke();\
7614	schaersvoo	5649	ctx.restore();\
		5650	};\
7956	schaersvoo	5651	if( typeof legend0 !== 'undefined' ){\
7988	schaersvoo	5652	ctx.save();\
7614	schaersvoo	5653	ctx.globalAlpha = 1.0;\
		5654	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5655	var y_offset = 2*font_size;\
		5656	var txt;var txt_size;\
		5657	var x_offset = xsize - 2*font_size;\
7956	schaersvoo	5658	var l_length = legend0.length;\
		5659	if( typeof legendcolors0 !== 'undefined' ){\
7614	schaersvoo	5660	for(var p = 0 ; p < l_length ; p++){\
7956	schaersvoo	5661	barcolor[p] = legendcolors0[p];\
7614	schaersvoo	5662	};\
7988	schaersvoo	5663	}\
		5664	else\
		5665	{\
7614	schaersvoo	5666	if( barcolor.length == 0 ){\
		5667	for(var p = 0 ; p < l_length ; p++){\
		5668	barcolor[p] = stroke_color;\
		5669	};\
		5670	};\
		5671	};\
		5672	for(var p = 0; p < l_length; p++){\
		5673	ctx.fillStyle = barcolor[p];\
7956	schaersvoo	5674	txt = legend0[p];\
7614	schaersvoo	5675	txt_size = ctx.measureText(txt).width;\
7956	schaersvoo	5676	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
7614	schaersvoo	5677	y_offset = parseInt(y_offset + 1.5*font_size);\
		5678	};\
7988	schaersvoo	5679	ctx.restore();\
7614	schaersvoo	5680	};\
7991	schaersvoo	5681	if( typeof barchart_0 !== 'undefined' ){\
		5682	ctx.save();\
		5683	var num_barcharts = 0;\
		5684	var bar_name = eval('barchart_0');\
		5685	while( typeof bar_name !== 'undefined' ){\
		5686	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		5687	};\
		5688	var bar_width = parseInt(0.8*xstep/(num_barcharts));\
		5689	for(var i=0 ; i< num_barcharts ; i++){\
		5690	bar_name = eval('barchart_'+i);\
		5691	var bar_x = new Array();\
		5692	var bar_y = new Array();\
		5693	var lb = bar_name.length;\
		5694	var idx = 0;\
		5695	var dx = parseInt(0.5ibar_width);\
		5696	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5697	bar_x[idx] = x2px(bar_name[p]);\
		5698	bar_y[idx] = y2px(bar_name[p+1]);\
		5699	barcolor[idx] = bar_name[p+2];\
		5700	idx++;\
		5701	};\
		5702	ctx.globalAlpha = fill_opacity;\
		5703	ctx.beginPath();\
		5704	for( var p = 0; p < idx ; p++ ){\
		5705	ctx.strokeStyle = barcolor[p];\
		5706	ctx.fillStyle = barcolor[p];\
		5707	ctx.rect(bar_x[p]-0.4*xstep+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		5708	};\
		5709	ctx.fill();\
		5710	ctx.stroke();\
		5711	ctx.closePath();\
		5712	};\
		5713	ctx.restore();\
		5714	};\
7996	schaersvoo	5715	if( typeof linegraph_0 !== 'undefined' ){\
		5716	ctx.save();\
		5717	ctx.globalAlpha = 1.0;\
		5718	var i = 0;\
		5719	var line_name = eval('linegraph_'+i);\
		5720	while ( typeof line_name !== 'undefined' ){\
		5721	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5722	ctx.lineWidth = parseInt(line_name[1]);\
		5723	if(line_name[2] == \"1\"){\
		5724	var d1 = parseInt(line_name[3]);\
		5725	var d2 = parseInt(line_name[4]);\
		5726	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		5727	}\
		5728	else\
		5729	{\
		5730	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5731	if(ctx.mozDash){ctx.mozDash = null;}\
		5732	};\
		5733	var data_x = new Array();\
		5734	var data_y = new Array();\
		5735	var lb = line_name.length;\
		5736	var idx = 0;\
		5737	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5738	data_x[idx] = x2px(line_name[p]);\
		5739	data_y[idx] = y2px(line_name[p+1]);\
		5740	idx++;\
		5741	};\
		5742	for( var p = 0; p < idx ; p++){\
		5743	ctx.beginPath();\
		5744	ctx.moveTo(data_x[p],data_y[p]);\
		5745	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5746	ctx.stroke();\
		5747	ctx.closePath();\
		5748	};\
		5749	i++;\
		5750	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5751	};\
		5752	ctx.restore();\
		5753	};\
7614	schaersvoo	5754	return;\
7989	schaersvoo	5755	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5756	break;
7956	schaersvoo	5757
7614	schaersvoo	5758	case DRAW_PIECHART:
7987	schaersvoo	5759	fprintf(js_include_file,"\n<!-- draw piecharts -->\n\
7956	schaersvoo	5760	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family){\
7614	schaersvoo	5761	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5762	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5763	}\
		5764	else\
		5765	{\
		5766	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5767	};\
		5768	var ld = data_color_list.length;\
		5769	var sum = 0;\
		5770	var idx = 0;\
7956	schaersvoo	5771	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
7614	schaersvoo	5772	var colors = new Array();\
		5773	var data = new Array();\
		5774	for(var p = 0;p < ld; p = p + 2){\
		5775	data[idx] = parseFloat(data_color_list[p]);\
		5776	sum = sum + data[idx];\
		5777	colors[idx] = data_color_list[p+1];\
		5778	idx++;\
		5779	};\
		5780	var ctx = obj.getContext(\"2d\");\
		5781	ctx.save();\
		5782	var angle;\
		5783	var angle_end = 0;\
		5784	var offset = Math.PI / 2;\
		5785	ctx.globalAlpha = fill_opacity;\
		5786	for(var p=0; p < idx; p++){\
		5787	ctx.beginPath();\
		5788	ctx.fillStyle = colors[p];\
		5789	ctx.moveTo(x_center,y_center);\
		5790	angle = Math.PI * (2 * data[p] / sum);\
		5791	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5792	ctx.lineTo(x_center, y_center);\
		5793	ctx.fill();\
		5794	ctx.closePath();\
		5795	angle_end = angle_end + angle;\
		5796	};\
7956	schaersvoo	5797	if(typeof legend0 !== 'undefined'){\
		5798	var legenda = eval(\"legend\"+legend_cnt);\
7614	schaersvoo	5799	ctx.globalAlpha = 1.0;\
7956	schaersvoo	5800	ctx.font = font_family;\
7614	schaersvoo	5801	var y_offset = font_size; \
		5802	var x_offset = 0;\
		5803	var txt;var txt_size;\
		5804	for(var p = 0; p < idx; p++){\
		5805	ctx.fillStyle = colors[p];\
7956	schaersvoo	5806	txt = legenda[p];\
7614	schaersvoo	5807	txt_size = ctx.measureText(txt).width;\
		5808	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
7956	schaersvoo	5809	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
7614	schaersvoo	5810	y_offset = parseInt(y_offset + 1.5*font_size);\
		5811	};\
		5812	};\
		5813	ctx.restore();\
7956	schaersvoo	5814	};",canvas_root_id,canvas_root_id,canvas_root_id);
		5815
7614	schaersvoo	5816	break;
		5817	case DRAW_ARCS:
		5818	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
8105	schaersvoo	5819	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	5820	ctx.save();\
		5821	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
8071	schaersvoo	5822	if( use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);};\
7614	schaersvoo	5823	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5824	if(end < start){var tmp = end;end = start;start=tmp;};\
8071	schaersvoo	5825	start = 360 - start;\
		5826	end = 360 - end;\
7614	schaersvoo	5827	ctx.lineWidth = line_width;\
		5828	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
8071	schaersvoo	5829	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5830	ctx.beginPath();\
		5831	ctx.moveTo(xc,yc);\
		5832	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5833	ctx.lineTo(xc,yc);\
		5834	ctx.closePath();\
7614	schaersvoo	5835	if( use_filled == 1 ){\
		5836	ctx.fill();\
8071	schaersvoo	5837	};\
		5838	ctx.stroke();\
7614	schaersvoo	5839	ctx.restore();\
8071	schaersvoo	5840	};");
7956	schaersvoo	5841
7614	schaersvoo	5842	break;
7983	schaersvoo	5843	case DRAW_CENTERSTRING:
		5844	fprintf(js_include_file,"\n<!-- draw centerstring -->\n\
8105	schaersvoo	5845	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
7983	schaersvoo	5846	var obj;\
		5847	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5848	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5849	}\
		5850	else\
		5851	{\
		5852	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5853	};\
		5854	var ctx = obj.getContext(\"2d\");\
		5855	ctx.save();\
		5856	ctx.font = font_family;\
		5857	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5858	var stringwidth = ctx.measureText(text).width;\
		5859	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		5860	ctx.fillText(text,x,y2px(y));\
		5861	return;\
		5862	};",canvas_root_id,canvas_root_id,canvas_root_id);
		5863	break;
7614	schaersvoo	5864	case DRAW_TEXTS:
		5865	fprintf(js_include_file,"\n<!-- draw text -->\n\
8105	schaersvoo	5866	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	5867	var obj;\
		5868	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5869	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5870	}\
		5871	else\
		5872	{\
		5873	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5874	};\
		5875	var ctx = obj.getContext(\"2d\");\
		5876	if(angle2 == 0 && angle != 0){\
		5877	ctx.save();\
8071	schaersvoo	5878	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5879	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5880	};\
		5881	if( font_family.indexOf('px') != null ){\
		5882	ctx.font = font_family;\
		5883	}\
		5884	else\
		5885	{\
7956	schaersvoo	5886	ctx.font = font_family;\
7614	schaersvoo	5887	};\
		5888	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5889	if(angle2 != 0){\
		5890	ctx.save();\
		5891	ctx.translate(x,y);\
		5892	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5893	ctx.fillText(text,0,0);\
		5894	ctx.restore();\
		5895	}else{ctx.fillText(text,x,y);};\
		5896	ctx.restore();\
		5897	return;\
7653	schaersvoo	5898	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5899	break;
		5900	case DRAW_CURVE:
		5901	fprintf(js_include_file,"\n<!-- draw curve -->\n\
8105	schaersvoo	5902	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	5903	var obj;\
		5904	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5905	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5906	}\
		5907	else\
		5908	{\
		5909	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5910	};\
		5911	var ctx = obj.getContext(\"2d\");\
		5912	ctx.save();\
8071	schaersvoo	5913	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	5914	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5915	ctx.beginPath();ctx.lineWidth = line_width;\
		5916	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5917	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5918	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5919	for(var p = 1 ; p < x_points.length ; p++){\
		5920	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5921	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5922	}\
		5923	else\
		5924	{\
		5925	ctx.stroke();\
		5926	ctx.beginPath();\
		5927	p++;\
		5928	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5929	};\
		5930	};\
		5931	ctx.stroke();\
		5932	ctx.restore();\
7653	schaersvoo	5933	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5934	break;
7956	schaersvoo	5935
7614	schaersvoo	5936	case DRAW_INPUTS:
		5937	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
8105	schaersvoo	5938	var draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
7614	schaersvoo	5939	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5940	var input = document.createElement(\"input\");\
		5941	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5942	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5943	input.setAttribute(\"size\",size);\
		5944	input.setAttribute(\"value\",value);\
7877	schaersvoo	5945	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
7653	schaersvoo	5946	canvas_div.appendChild(input);};");
7614	schaersvoo	5947	break;
7956	schaersvoo	5948
7614	schaersvoo	5949	case DRAW_TEXTAREAS:
		5950	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
8105	schaersvoo	5951	var draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
7614	schaersvoo	5952	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5953	var textarea = document.createElement(\"textarea\");\
		5954	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5955	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5956	textarea.setAttribute(\"cols\",cols);\
		5957	textarea.setAttribute(\"rows\",rows);\
7877	schaersvoo	5958	textarea.value = value;\
		5959	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
7653	schaersvoo	5960	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5961	break;
7956	schaersvoo	5962
7614	schaersvoo	5963	case DRAW_PIXELS:
		5964	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
8105	schaersvoo	5965	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
7614	schaersvoo	5966	var canvas = create_canvas%d(10,xsize,ysize);\
		5967	var d = 0.5*pixelsize;\
		5968	var ctx = canvas.getContext(\"2d\");\
		5969	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5970	ctx.clearRect(0,0,xsize,ysize);\
		5971	for(var p=0; p<x.length;p++){\
		5972	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5973	};\
		5974	ctx.fill();ctx.stroke();\
		5975	};",canvas_root_id);
		5976	break;
		5977
		5978	case DRAW_CLOCK:
		5979	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5980	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5981	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5982	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5983	clock_ctx.save();\
8000	schaersvoo	5984	clock_ctx.clearRect(xc-radius,yc-radius,xc+radius,yc+radius);\
7997	schaersvoo	5985	clock_ctx.globalAlpha = clock_bg_opacity;\
7614	schaersvoo	5986	this.type = type \|\| 0;\
		5987	this.interaction = interaction \|\| 0;\
7862	schaersvoo	5988	this.H = H;\
		5989	this.M = M;\
		5990	this.S = S;\
8000	schaersvoo	5991	if(this.S == -1){this.S = 59;this.M = this.M - 1;};\
		5992	if(this.M == -1){this.M = 59;this.H = this.H - 1;};\
		5993	if(this.H == -1){this.H = 11;};\
7614	schaersvoo	5994	this.xc = xc \|\| xsize/2;\
		5995	this.yc = yc \|\| ysize/2;\
		5996	this.radius = radius \|\| xsize/4;\
		5997	var font_size = parseInt(0.2*this.radius);\
		5998	this.H_color = h_color \|\| \"blue\";\
		5999	this.M_color = m_color \|\| \"blue\";\
		6000	this.S_color = s_color \|\| \"blue\";\
		6001	this.fg_color = fg_color \|\| \"red\";\
		6002	this.bg_color = bg_color \|\| \"white\";\
		6003	clock_ctx.translate(this.xc,this.yc);\
		6004	clock_ctx.beginPath();\
		6005	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		6006	clock_ctx.fillStyle = this.bg_color;\
		6007	clock_ctx.fill();\
		6008	clock_ctx.closePath();\
		6009	clock_ctx.beginPath();\
		6010	clock_ctx.font = font_size+\"px Arial\";\
		6011	clock_ctx.fillStyle = this.fg_color;\
		6012	clock_ctx.textAlign = \"center\";\
		6013	clock_ctx.textBaseline = 'middle';\
		6014	var angle;var x1,y1,x2,y2;\
		6015	var angle_cos;var angle_sin;\
7997	schaersvoo	6016	clock_ctx.globalAlpha = clock_fg_opacity;\
7614	schaersvoo	6017	switch(type){\
		6018	case 0:clock_ctx.beginPath();\
		6019	for(var p = 1; p <= 12 ; p++){\
		6020	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6021	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6022	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6023	clock_ctx.moveTo(x1,y1);\
		6024	clock_ctx.lineTo(x2,y2);\
		6025	};\
		6026	for(var p = 1; p <= 60 ; p++){\
		6027	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6028	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6029	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6030	clock_ctx.moveTo(x1,y1);\
		6031	clock_ctx.lineTo(x2,y2);\
		6032	};\
		6033	clock_ctx.closePath();\
		6034	clock_ctx.stroke();\
		6035	break;\
		6036	case 1:\
		6037	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	6038	case 2:\
		6039	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	6040	clock_ctx.beginPath();\
		6041	for(var p = 1; p <= 12 ; p++){\
		6042	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		6043	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		6044	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6045	clock_ctx.moveTo(x1,y1);\
		6046	clock_ctx.lineTo(x2,y2);\
		6047	};\
		6048	for(var p = 1; p <= 60 ; p++){\
		6049	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		6050	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		6051	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		6052	clock_ctx.moveTo(x1,y1);\
		6053	clock_ctx.lineTo(x2,y2);\
		6054	};\
		6055	clock_ctx.closePath();\
		6056	clock_ctx.stroke();\
		6057	break;\
		6058	};\
		6059	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		6060	clock_ctx.rotate(angle);\
		6061	clock_ctx.beginPath();\
		6062	clock_ctx.moveTo(-3, -2);\
		6063	clock_ctx.lineTo(-3, 2);\
		6064	clock_ctx.lineTo(this.radius * 0.7, 1);\
		6065	clock_ctx.lineTo(this.radius * 0.7, -1);\
		6066	clock_ctx.fillStyle = this.H_color;\
		6067	clock_ctx.fill();\
		6068	clock_ctx.rotate(-angle);\
		6069	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		6070	clock_ctx.rotate(angle);\
		6071	clock_ctx.beginPath();\
		6072	clock_ctx.moveTo(-3, -2);\
		6073	clock_ctx.lineTo(-3, 2);\
		6074	clock_ctx.lineTo(this.radius * 0.8, 1);\
		6075	clock_ctx.lineTo(this.radius * 0.8, -1);\
		6076	clock_ctx.fillStyle = this.M_color;\
		6077	clock_ctx.fill();\
		6078	clock_ctx.rotate(-angle);\
		6079	angle = (this.S - 15) * 2 * Math.PI / 60;\
		6080	clock_ctx.rotate(angle);\
		6081	clock_ctx.beginPath();\
		6082	clock_ctx.moveTo(0,0);\
		6083	clock_ctx.lineTo(this.radius * 0.95, 0);\
		6084	clock_ctx.lineTo(this.radius * 0.9, -1);\
		6085	clock_ctx.strokeStyle = this.S_color;\
		6086	clock_ctx.stroke();\
		6087	clock_ctx.restore();\
7653	schaersvoo	6088	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	6089	break;
		6090
		6091	case DRAW_LATTICE:
		6092	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
8105	schaersvoo	6093	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	6094	var obj;\
		6095	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6096	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6097	}\
		6098	else\
		6099	{\
		6100	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6101	};\
		6102	var ctx = obj.getContext(\"2d\");\
		6103	ctx.save();\
8071	schaersvoo	6104	if(use_affine == 1 ){ctx.translate(affine_matrix[4],affine_matrix[5]);}\
7614	schaersvoo	6105	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		6106	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6107	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		6108	var radius = line_width;\
		6109	var x = 0;\
		6110	var y = 0;\
		6111	var x_step_px = xsize/(xmax-xmin);\
		6112	var y_step_px = ysize/(ymax-ymin);\
		6113	var xv1 = dx1*x_step_px;\
		6114	var yv1 = dy1*y_step_px;\
		6115	var xv2 = dx2*x_step_px;\
		6116	var yv2 = dy2*y_step_px;\
		6117	for(var p = 0; p < n1 ;p++){\
		6118	x = p*xv1 + x0;\
		6119	y = p*yv1 + y0;\
		6120	for(var c = 0; c < n2 ; c++){\
		6121	ctx.beginPath();\
		6122	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		6123	ctx.fill();\
		6124	ctx.stroke();\
		6125	ctx.closePath();\
		6126	};\
		6127	};\
		6128	ctx.restore();\
		6129	return;\
7653	schaersvoo	6130	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	6131	break;
7735	schaersvoo	6132	case DRAW_XYLOGSCALE:
		6133	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
8105	schaersvoo	6134	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	6135	var obj;\
		6136	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6137	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6138	}\
		6139	else\
		6140	{\
		6141	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6142	};\
		6143	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6144	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6145	ctx.save();\
7739	schaersvoo	6146	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
7956	schaersvoo	6147	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6148	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6149	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6150	var y_max = Math.log(ymax)/Math.log(ylogbase);\
7739	schaersvoo	6151	if(use_axis_numbering == 1){\
7956	schaersvoo	6152	ctx.font = font_family;\
		6153	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		6154	ymarge = parseInt(1.5*font_size);\
		6155	ctx.save();\
		6156	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6157	ctx.rect(0,0,xmarge,ysize);\
		6158	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6159	ctx.fill();\
		6160	ctx.restore();\
		6161	}else{xmarge = 0;ymarge = 0;};\
7735	schaersvoo	6162	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6163	ctx.save();\
		6164	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6165	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6166	corr = ctx.measureText(xaxislabel).width;\
		6167	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6168	ctx.restore();\
		6169	};\
7735	schaersvoo	6170	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6171	ctx.save();\
		6172	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6173	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6174	corr = ctx.measureText(yaxislabel).width;\
		6175	ctx.translate(xmarge+font_size,corr+font_size);\
		6176	ctx.rotate(-0.5*Math.PI);\
		6177	ctx.fillText(yaxislabel,0,0);\
		6178	ctx.restore();\
		6179	};\
		6180	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6181	ctx.lineWidth = line_width;\
		6182	for(var p = x_min; p <= x_max ; p++){\
		6183	num = Math.pow(xlogbase,p);\
		6184	for(var i = 1 ; i < xlogbase ; i++){\
		6185	x_e = x2px(i*num);\
7735	schaersvoo	6186	if( i == 1 ){\
7956	schaersvoo	6187	ctx.lineWidth = line_width;\
		6188	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7738	schaersvoo	6189	if( use_axis_numbering == 1 && p > x_min){\
7956	schaersvoo	6190	xtxt = xlogbase+'^'+p.toFixed(0);\
		6191	corr = 0.5*(ctx.measureText(xtxt).width);\
		6192	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6193	};\
7735	schaersvoo	6194	}else{\
7956	schaersvoo	6195	ctx.lineWidth = 0.2*line_width;\
		6196	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6197	};\
7738	schaersvoo	6198	if( x_e >= xmarge ){\
7956	schaersvoo	6199	ctx.beginPath();\
		6200	ctx.moveTo(x_e,0);\
		6201	ctx.lineTo(x_e,ysize - ymarge);\
		6202	ctx.stroke();\
		6203	ctx.closePath();\
7738	schaersvoo	6204	};\
7956	schaersvoo	6205	};\
		6206	};\
		6207	for(var p = y_min; p <= y_max ; p++){\
		6208	num = Math.pow(ylogbase,p);\
		6209	for(var i = 1 ; i < ylogbase ; i++){\
		6210	y_e = y2px(i*num);\
		6211	if( i == 1 ){\
		6212	ctx.lineWidth = line_width;\
7735	schaersvoo	6213	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6214	if( use_axis_numbering == 1 && p > y_min){\
		6215	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		6216	};\
		6217	}else{\
		6218	ctx.lineWidth = 0.2*line_width;\
		6219	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6220	};\
		6221	ctx.beginPath();\
		6222	ctx.moveTo(xmarge,y_e);\
		6223	ctx.lineTo(xsize,y_e);\
		6224	ctx.stroke();\
		6225	ctx.closePath();\
		6226	};\
		6227	};\
7735	schaersvoo	6228	ctx.restore();\
		6229	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		6230	break;
7614	schaersvoo	6231
7735	schaersvoo	6232	case DRAW_XLOGSCALE:
		6233	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
8105	schaersvoo	6234	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	6235	var obj;\
		6236	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6237	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6238	}\
		6239	else\
		6240	{\
		6241	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6242	};\
		6243	var ctx = obj.getContext(\"2d\");\
7735	schaersvoo	6244	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6245	ctx.save();\
		6246	ctx.lineWidth = line_width;\
7739	schaersvoo	6247	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	6248	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		6249	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		6250	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	6251	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		6252	if(use_axis_numbering == 1){\
7956	schaersvoo	6253	ctx.font = font_family;\
		6254	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		6255	ymarge = parseInt(1.5*font_size);\
		6256	ctx.save();\
		6257	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6258	ctx.rect(0,0,xmarge,ysize);\
		6259	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6260	ctx.fill();\
		6261	ctx.restore();\
		6262	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6263	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6264	ctx.save();\
		6265	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6266	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6267	corr = ctx.measureText(xaxislabel).width;\
		6268	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6269	ctx.restore();\
		6270	};\
7739	schaersvoo	6271	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6272	ctx.save();\
		6273	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6274	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6275	corr = ctx.measureText(yaxislabel).width;\
		6276	ctx.translate(xmarge+font_size,corr+font_size);\
		6277	ctx.rotate(-0.5*Math.PI);\
		6278	ctx.fillText(yaxislabel,0,0);\
		6279	ctx.restore();\
		6280	};\
		6281	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6282	ctx.lineWidth = line_width;\
		6283	for(var p = x_min; p <= x_max ; p++){\
		6284	num = Math.pow(xlogbase,p);\
		6285	for(var i = 1 ; i < xlogbase ; i++){\
		6286	x_e = x2px(i*num);\
7735	schaersvoo	6287	if( i == 1 ){\
7956	schaersvoo	6288	ctx.lineWidth = line_width;\
7739	schaersvoo	6289	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		6290	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	6291	xtxt = xlogbase+'^'+p.toFixed(0);\
		6292	corr = 0.5*(ctx.measureText(xtxt).width);\
		6293	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		6294	};\
		6295	}else{\
7956	schaersvoo	6296	ctx.lineWidth = 0.2*line_width;\
7735	schaersvoo	6297	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6298	};\
7739	schaersvoo	6299	if( x_e >= xmarge ){\
7956	schaersvoo	6300	ctx.beginPath();\
		6301	ctx.moveTo(x_e,0);\
		6302	ctx.lineTo(x_e,ysize - ymarge);\
		6303	ctx.stroke();\
		6304	ctx.closePath();\
7739	schaersvoo	6305	};\
		6306	};\
7956	schaersvoo	6307	};\
7735	schaersvoo	6308	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		6309	var minor_step = stepy / yminor;\
7749	schaersvoo	6310	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	6311	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6312	ctx.lineWidth = line_width;\
		6313	ctx.beginPath();\
		6314	ctx.moveTo(xmarge,y);\
		6315	ctx.lineTo(xsize,y);\
		6316	ctx.stroke();\
		6317	ctx.closePath();\
7735	schaersvoo	6318	if( use_axis_numbering == 1){\
		6319	ytxt = (px2y(y)).toFixed(prec);\
		6320	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		6321	};\
		6322	for(var dy = 1 ; dy < yminor ; dy++){\
		6323	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6324	ctx.lineWidth = 0.2*line_width;\
		6325	ctx.beginPath();\
7739	schaersvoo	6326	ctx.moveTo(xmarge,y+dy*minor_step);\
7956	schaersvoo	6327	ctx.lineTo(xsize,y+dy*minor_step);\
		6328	ctx.stroke();\
		6329	ctx.closePath();\
7735	schaersvoo	6330	};\
		6331	};\
7956	schaersvoo	6332	ctx.restore();\
		6333	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7735	schaersvoo	6334	break;
7729	schaersvoo	6335	case DRAW_YLOGSCALE:
		6336	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
8105	schaersvoo	6337	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	6338	var obj;\
		6339	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		6340	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		6341	}\
		6342	else\
		6343	{\
		6344	obj = create_canvas%d(canvas_type,xsize,ysize);\
		6345	};\
		6346	var ctx = obj.getContext(\"2d\");\
7729	schaersvoo	6347	ctx.clearRect(0,0,xsize,ysize);\
7956	schaersvoo	6348	ctx.save();\
		6349	ctx.lineWidth = line_width;\
7735	schaersvoo	6350	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		6351	var y_max = Math.log(ymax)/Math.log(ylogbase);\
8109	schaersvoo	6352	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
7739	schaersvoo	6353	if(use_axis_numbering == 1){\
7956	schaersvoo	6354	ctx.font = font_family;\
		6355	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		6356	ymarge = 2*font_size;\
		6357	ctx.save();\
		6358	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		6359	ctx.rect(0,0,xmarge,ysize);\
		6360	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		6361	ctx.fill();\
		6362	ctx.restore();\
		6363	}else{xmarge = 0;ymarge = 0;};\
7739	schaersvoo	6364	if( typeof xaxislabel !== 'undefined' ){\
7956	schaersvoo	6365	ctx.save();\
		6366	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6367	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6368	corr = ctx.measureText(xaxislabel).width;\
		6369	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		6370	ctx.restore();\
		6371	};\
7739	schaersvoo	6372	if( typeof yaxislabel !== 'undefined' ){\
7956	schaersvoo	6373	ctx.save();\
		6374	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		6375	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6376	corr = ctx.measureText(yaxislabel).width;\
		6377	ctx.translate(xmarge+font_size,corr+font_size);\
		6378	ctx.rotate(-0.5*Math.PI);\
		6379	ctx.fillText(yaxislabel,0,0);\
		6380	ctx.restore();\
		6381	};\
		6382	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		6383	ctx.lineWidth = line_width;\
		6384	for(var p = y_min; p <= y_max ; p++){\
		6385	num = Math.pow(ylogbase,p);\
		6386	for(var i = 1 ; i < ylogbase ; i++){\
		6387	y_e = y2px(i*num);\
7729	schaersvoo	6388	if( i == 1 ){\
7956	schaersvoo	6389	ctx.lineWidth = line_width;\
7729	schaersvoo	6390	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	6391	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	6392	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	6393	};\
		6394	}else{\
7956	schaersvoo	6395	ctx.lineWidth = 0.2*line_width;\
7729	schaersvoo	6396	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		6397	};\
7956	schaersvoo	6398	ctx.beginPath();\
		6399	ctx.moveTo(xmarge,y_e);\
		6400	ctx.lineTo(xsize,y_e);\
		6401	ctx.stroke();\
		6402	ctx.closePath();\
		6403	};\
		6404	};\
7729	schaersvoo	6405	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		6406	var minor_step = stepx / xminor;\
		6407	var prec = Math.log(precision)/Math.log(10);\
		6408	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	6409	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	6410	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7956	schaersvoo	6411	ctx.lineWidth = line_width;\
		6412	ctx.beginPath();\
		6413	ctx.moveTo(x,ysize-ymarge);\
		6414	ctx.lineTo(x,0);\
		6415	ctx.stroke();\
		6416	ctx.closePath();\
7729	schaersvoo	6417	if( use_axis_numbering == 1){\
		6418	xtxt = (px2x(x)).toFixed(prec);\
		6419	corr = 0.5*(ctx.measureText(xtxt).width);\
		6420	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		6421	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		6422	};\
		6423	for(var dx = 1 ; dx < xminor ; dx++){\
		6424	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
7956	schaersvoo	6425	ctx.lineWidth = 0.2*line_width;\
		6426	ctx.beginPath();\
7739	schaersvoo	6427	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7956	schaersvoo	6428	ctx.lineTo(x+dx*minor_step,0);\
		6429	ctx.stroke();\
		6430	ctx.closePath();\
7735	schaersvoo	6431	};\
		6432	};\
7956	schaersvoo	6433	ctx.restore();\
		6434	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7729	schaersvoo	6435	break;
7614	schaersvoo	6436	default:break;
		6437	}
		6438	}
		6439	}
		6440	return;
		6441	}
		6442
		6443	void check_string_length(int L){
		6444	if(L<1 \|\| L > MAX_BUFFER-1){
		6445	canvas_error("problem with your arguments to command...");
		6446	}
		6447	return;
		6448	}
		6449
		6450
		6451	int get_token(FILE *infile){
		6452	int c,i=0;
		6453	char temp[MAX_INT], *input_type;
		6454	char *line="line",
		6455	*audio="audio",
		6456	*blink="blink",
		6457	*arrowhead="arrowhead",
		6458	*crosshairsize="crosshairsize",
		6459	*crosshair="crosshair",
		6460	*crosshairs="crosshairs",
		6461	*audioobject="audioobject",
		6462	*style="style",
		6463	*mouse="mouse",
7991	schaersvoo	6464	*mousex="mousex",
		6465	*mousey="mousey",
8071	schaersvoo	6466	*mouse_display="display",
		6467	*mouse_degree="mouse_degree",
7614	schaersvoo	6468	*userdraw="userdraw",
		6469	*highlight="highlight",
		6470	*http="http",
		6471	*rays="rays",
		6472	*dashtype="dashtype",
		6473	*dashed="dashed",
		6474	*filled="filled",
		6475	*lattice="lattice",
		6476	*parallel="parallel",
		6477	*segment="segment",
		6478	*dsegment="dsegment",
		6479	*seg="seg",
		6480	*bgimage="bgimage",
		6481	*bgcolor="bgcolor",
		6482	*strokecolor="strokecolor",
		6483	*backgroundimage="backgroundimage",
		6484	*text="text",
		6485	*textup="textup",
		6486	*mouseprecision="mouseprecision",
		6487	*precision="precision",
		6488	*plotsteps="plotsteps",
		6489	*plotstep="plotstep",
		6490	*tsteps="tsteps",
		6491	*curve="curve",
		6492	*dcurve="dcurve",
		6493	*plot="plot",
		6494	*dplot="dplot",
7788	schaersvoo	6495	*levelcurve="levelcurve",
7614	schaersvoo	6496	*fontsize="fontsize",
		6497	*fontcolor="fontcolor",
		6498	*axis="axis",
		6499	*axisnumbering="axisnumbering",
		6500	*axisnumbers="axisnumbers",
		6501	*arrow="arrow",
		6502	*darrow="darrow",
		6503	*arrow2="arrow2",
		6504	*darrow2="darrow2",
		6505	*zoom="zoom",
		6506	*grid="grid",
		6507	*hline="hline",
7786	schaersvoo	6508	*dhline="dhline",
7614	schaersvoo	6509	*drag="drag",
		6510	*horizontalline="horizontalline",
		6511	*vline="vline",
7786	schaersvoo	6512	*dvline="dvline",
7614	schaersvoo	6513	*verticalline="verticalline",
		6514	*triangle="triangle",
		6515	*ftriangle="ftriangle",
		6516	*mathml="mathml",
		6517	*html="html",
		6518	*input="input",
		6519	*button="button",
		6520	*inputstyle="inputstyle",
		6521	*textarea="textarea",
		6522	*trange="trange",
		6523	*ranget="ranget",
		6524	*xrange="xrange",
		6525	*yrange="yrange",
		6526	*rangex="rangex",
		6527	*rangey="rangey",
		6528	*polyline="polyline",
		6529	*lines="lines",
		6530	*poly="poly",
		6531	*polygon="polygon",
		6532	*fpolygon="fpolygon",
		6533	*fpoly="fpoly",
		6534	*filledpoly="filledpoly",
		6535	*filledpolygon="filledpolygon",
		6536	*rect="rect",
		6537	*frect="frect",
		6538	*rectangle="rectangle",
		6539	*frectangle="frectangle",
		6540	*square="square",
		6541	*fsquare="fsquare",
		6542	*dline="dline",
		6543	*arc="arc",
		6544	*filledarc="filledarc",
		6545	*size="size",
		6546	*string="string",
		6547	*stringup="stringup",
		6548	*copy="copy",
		6549	*copyresized="copyresized",
		6550	*opacity="opacity",
		6551	*transparent="transparent",
		6552	*fill="fill",
		6553	*point="point",
		6554	*points="points",
		6555	*linewidth="linewidth",
		6556	*circle="circle",
		6557	*fcircle="fcircle",
		6558	*disk="disk",
		6559	*comment="#",
		6560	*end="end",
		6561	*ellipse="ellipse",
		6562	*fellipse="fellipse",
		6563	*rotate="rotate",
7785	schaersvoo	6564	*affine="affine",
		6565	*killaffine="killaffine",
7614	schaersvoo	6566	*fontfamily="fontfamily",
		6567	*fillcolor="fillcolor",
		6568	*clicktile="clicktile",
		6569	*clicktile_colors="clicktile_colors",
		6570	*translation="translation",
		6571	*translate="translate",
		6572	*killtranslation="killtranslation",
		6573	*killtranslate="killtranslate",
		6574	*onclick="onclick",
		6575	*roundrect="roundrect",
		6576	*froundrect="froundrect",
		6577	*roundrectangle="roundrectangle",
		6578	*patternfill="patternfill",
		6579	*hatchfill="hatchfill",
		6580	*diafill="diafill",
7647	schaersvoo	6581	*diamondfill="diamondfill",
7614	schaersvoo	6582	*dotfill="dotfill",
		6583	*gridfill="gridfill",
		6584	*imagefill="imagefill",
7735	schaersvoo	6585	*xlogbase="xlogbase",
		6586	*ylogbase="ylogbase",
7614	schaersvoo	6587	*xlogscale="xlogscale",
		6588	*ylogscale="ylogscale",
		6589	*xylogscale="xylogscale",
		6590	*intooltip="intooltip",
		6591	*replyformat="replyformat",
		6592	*floodfill="floodfill",
		6593	*filltoborder="filltoborder",
		6594	*clickfill="clickfill",
		6595	*setpixel="setpixel",
		6596	*pixels="pixels",
		6597	*pixelsize="pixelsize",
		6598	*clickfillmarge="clickfillmarge",
		6599	*xaxis="xaxis",
		6600	*yaxis="yaxis",
		6601	*xaxistext="xaxistext",
		6602	*yaxistext="yaxistext",
		6603	*piechart="piechart",
		6604	*legend="legend",
		6605	*legendcolors="legendcolors",
		6606	*xlabel="xlabel",
		6607	*ylabel="ylabel",
		6608	*barchart="barchart",
		6609	*linegraph="linegraph",
		6610	*clock="clock",
		6611	*animate="animate",
		6612	*video="video",
		6613	*status="status",
7877	schaersvoo	6614	*nostatus="nostatus",
7652	schaersvoo	6615	*snaptogrid="snaptogrid",
7784	schaersvoo	6616	*xsnaptogrid="xsnaptogrid",
		6617	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6618	*userinput_xy="userinput_xy",
7663	schaersvoo	6619	*usertextarea_xy="usertextarea_xy",
7823	schaersvoo	6620	*jsmath="jsmath",
7858	schaersvoo	6621	*trace_jscurve="trace_jscurve",
7838	schaersvoo	6622	*setlimits="setlimits",
7858	schaersvoo	6623	*jscurve="jscurve",
		6624	*jsplot="jsplot",
7983	schaersvoo	6625	*sgraph="sgraph",
7984	schaersvoo	6626	*title="title",
7996	schaersvoo	6627	*centerstring="centerstring",
		6628	*xunit="xunit",
8071	schaersvoo	6629	*yunit="yunit",
8101	schaersvoo	6630	*slider="slider",
8105	schaersvoo	6631	*killslider="killslider",
		6632	*angle="angle";
7614	schaersvoo	6633
		6634	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6635	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6636	continue; /* white spaces or tabs allowed before first command identifier */
		6637	}
		6638	else
		6639	{
		6640	if( c == ' ' \|\| c == '\t' ){
		6641	break;
		6642	}
		6643	else
		6644	{
		6645	temp[i] = c;
		6646	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6647	i++;
		6648	}
		6649	}
		6650	if(temp[0] == '#') break;
		6651	}
		6652	if (c == EOF) finished = 1;
		6653
		6654	if (c == '\n' \|\| c == '\r') {
		6655	line_number++;
		6656	if (i == 0) { return EMPTY; }
		6657	} else if (c == EOF) {
		6658	return 0;
		6659	}
		6660
		6661	temp[i]='\0';
		6662	input_type=(char*)my_newmem(strlen(temp));
		6663	snprintf(input_type,sizeof(temp),"%s",temp);
		6664
		6665	if( strcmp(input_type, size) == 0 ){
		6666	free(input_type);
		6667	return SIZE;
		6668	}
		6669	if( strcmp(input_type, xrange) == 0 ){
		6670	free(input_type);
		6671	return XRANGE;
		6672	}
		6673	if( strcmp(input_type, rangex) == 0 ){
		6674	free(input_type);
		6675	return XRANGE;
		6676	}
		6677	if( strcmp(input_type, trange) == 0 ){
		6678	free(input_type);
		6679	return TRANGE;
		6680	}
		6681	if( strcmp(input_type, ranget) == 0 ){
		6682	free(input_type);
		6683	return TRANGE;
		6684	}
		6685	if( strcmp(input_type, yrange) == 0 ){
		6686	free(input_type);
		6687	return YRANGE;
		6688	}
		6689	if( strcmp(input_type, rangey) == 0 ){
		6690	free(input_type);
		6691	return YRANGE;
		6692	}
		6693	if( strcmp(input_type, linewidth) == 0 ){
		6694	free(input_type);
		6695	return LINEWIDTH;
		6696	}
		6697	if( strcmp(input_type, dashed) == 0 ){
		6698	free(input_type);
		6699	return DASHED;
		6700	}
		6701	if( strcmp(input_type, dashtype) == 0 ){
		6702	free(input_type);
		6703	return DASHTYPE;
		6704	}
		6705	if( strcmp(input_type, axisnumbering) == 0 ){
		6706	free(input_type);
		6707	return AXIS_NUMBERING;
		6708	}
		6709	if( strcmp(input_type, axisnumbers) == 0 ){
		6710	free(input_type);
		6711	return AXIS_NUMBERING;
		6712	}
		6713	if( strcmp(input_type, axis) == 0 ){
		6714	free(input_type);
		6715	return AXIS;
		6716	}
		6717	if( strcmp(input_type, grid) == 0 ){
		6718	free(input_type);
		6719	return GRID;
		6720	}
		6721	if( strcmp(input_type, parallel) == 0 ){
		6722	free(input_type);
		6723	return PARALLEL;
		6724	}
		6725	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6726	free(input_type);
		6727	return HLINE;
		6728	}
		6729	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6730	free(input_type);
		6731	return VLINE;
		6732	}
		6733	if( strcmp(input_type, line) == 0 ){
		6734	free(input_type);
		6735	return LINE;
		6736	}
		6737	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6738	free(input_type);
		6739	return SEGMENT;
		6740	}
		6741	if( strcmp(input_type, dsegment) == 0 ){
		6742	free(input_type);
		6743	use_dashed = TRUE;
		6744	return SEGMENT;
		6745	}
		6746	if( strcmp(input_type, crosshairsize) == 0 ){
		6747	free(input_type);
		6748	return CROSSHAIRSIZE;
		6749	}
		6750	if( strcmp(input_type, arrowhead) == 0 ){
		6751	free(input_type);
		6752	return ARROWHEAD;
		6753	}
		6754	if( strcmp(input_type, crosshairs) == 0 ){
		6755	free(input_type);
		6756	return CROSSHAIRS;
		6757	}
		6758	if( strcmp(input_type, crosshair) == 0 ){
		6759	free(input_type);
		6760	return CROSSHAIR;
		6761	}
		6762	if( strcmp(input_type, onclick) == 0 ){
		6763	free(input_type);
		6764	return ONCLICK;
		6765	}
		6766	if( strcmp(input_type, drag) == 0 ){
		6767	free(input_type);
		6768	return DRAG;
		6769	}
		6770	if( strcmp(input_type, userdraw) == 0 ){
		6771	free(input_type);
		6772	return USERDRAW;
		6773	}
		6774	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6775	free(input_type);
		6776	return STYLE;
		6777	}
		6778	if( strcmp(input_type, fillcolor) == 0 ){
		6779	free(input_type);
		6780	return FILLCOLOR;
		6781	}
		6782	if( strcmp(input_type, strokecolor) == 0 ){
		6783	free(input_type);
		6784	return STROKECOLOR;
		6785	}
		6786	if( strcmp(input_type, filled) == 0 ){
		6787	free(input_type);
		6788	return FILLED;
		6789	}
		6790	if( strcmp(input_type, http) == 0 ){
		6791	free(input_type);
		6792	return HTTP;
		6793	}
		6794	if( strcmp(input_type, rays) == 0 ){
		6795	free(input_type);
		6796	return RAYS;
		6797	}
		6798	if( strcmp(input_type, lattice) == 0 ){
		6799	free(input_type);
		6800	return LATTICE;
		6801	}
		6802	if( strcmp(input_type, bgimage) == 0 ){
		6803	free(input_type);
		6804	return BGIMAGE;
		6805	}
		6806	if( strcmp(input_type, bgcolor) == 0 ){
		6807	free(input_type);
		6808	return BGCOLOR;
		6809	}
		6810	if( strcmp(input_type, backgroundimage) == 0 ){
		6811	free(input_type);
		6812	return BGIMAGE;
		6813	}
		6814	if( strcmp(input_type, text) == 0 ){
		6815	free(input_type);
		6816	return FLY_TEXT;
		6817	}
		6818	if( strcmp(input_type, textup) == 0 ){
		6819	free(input_type);
		6820	return FLY_TEXTUP;
		6821	}
		6822	if( strcmp(input_type, mouse) == 0 ){
		6823	free(input_type);
		6824	return MOUSE;
		6825	}
7991	schaersvoo	6826	if( strcmp(input_type, mousex) == 0 ){
		6827	free(input_type);
		6828	return MOUSEX;
		6829	}
		6830	if( strcmp(input_type, mousey) == 0 ){
		6831	free(input_type);
		6832	return MOUSEY;
		6833	}
8071	schaersvoo	6834	if( strcmp(input_type, mouse_degree) == 0 ){
		6835	free(input_type);
		6836	return MOUSE_DEGREE;
		6837	}
		6838	if( strcmp(input_type, mouse_display) == 0 ){
		6839	free(input_type);
		6840	return MOUSE_DISPLAY;
		6841	}
7614	schaersvoo	6842	if( strcmp(input_type, mouseprecision) == 0 ){
		6843	free(input_type);
		6844	return MOUSE_PRECISION;
		6845	}
		6846	if( strcmp(input_type, precision) == 0 ){
		6847	free(input_type);
		6848	return MOUSE_PRECISION;
		6849	}
		6850	if( strcmp(input_type, curve) == 0 ){
		6851	free(input_type);
		6852	return CURVE;
		6853	}
		6854	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6855	use_dashed = TRUE;
7614	schaersvoo	6856	free(input_type);
		6857	return CURVE;
		6858	}
		6859	if( strcmp(input_type, plot) == 0 ){
		6860	free(input_type);
		6861	return CURVE;
		6862	}
		6863	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6864	use_dashed = TRUE;
7614	schaersvoo	6865	free(input_type);
		6866	return CURVE;
		6867	}
7788	schaersvoo	6868	if( strcmp(input_type, levelcurve) == 0 ){
		6869	free(input_type);
		6870	return LEVELCURVE;
		6871	}
7614	schaersvoo	6872	if( strcmp(input_type, plotsteps) == 0 ){
		6873	free(input_type);
		6874	return PLOTSTEPS;
		6875	}
		6876	if( strcmp(input_type, plotstep) == 0 ){
		6877	free(input_type);
		6878	return PLOTSTEPS;
		6879	}
		6880	if( strcmp(input_type, tsteps) == 0 ){
		6881	free(input_type);
		6882	return PLOTSTEPS;
		6883	}
		6884	if( strcmp(input_type, fontsize) == 0 ){
		6885	free(input_type);
		6886	return FONTSIZE;
		6887	}
		6888	if( strcmp(input_type, fontcolor) == 0 ){
		6889	free(input_type);
		6890	return FONTCOLOR;
		6891	}
		6892	if( strcmp(input_type, arrow) == 0 ){
		6893	free(input_type);
		6894	return ARROW;
		6895	}
		6896	if( strcmp(input_type, arrow2) == 0 ){
		6897	free(input_type);
		6898	return ARROW2;
		6899	}
		6900	if( strcmp(input_type, darrow) == 0 ){
		6901	free(input_type);
8071	schaersvoo	6902	use_dashed = TRUE;
7614	schaersvoo	6903	return ARROW;
		6904	}
		6905	if( strcmp(input_type, darrow2) == 0 ){
		6906	free(input_type);
		6907	use_dashed = TRUE;
		6908	return ARROW2;
		6909	}
		6910	if( strcmp(input_type, zoom) == 0 ){
		6911	free(input_type);
		6912	return ZOOM;
		6913	}
		6914	if( strcmp(input_type, triangle) == 0 ){
		6915	free(input_type);
		6916	return TRIANGLE;
		6917	}
		6918	if( strcmp(input_type, ftriangle) == 0 ){
		6919	free(input_type);
		6920	use_filled = TRUE;
		6921	return TRIANGLE;
		6922	}
		6923	if( strcmp(input_type, input) == 0 ){
		6924	free(input_type);
		6925	return INPUT;
		6926	}
		6927	if( strcmp(input_type, inputstyle) == 0 ){
		6928	free(input_type);
		6929	return INPUTSTYLE;
		6930	}
		6931	if( strcmp(input_type, textarea) == 0 ){
		6932	free(input_type);
		6933	return TEXTAREA;
		6934	}
		6935	if( strcmp(input_type, mathml) == 0 ){
		6936	free(input_type);
		6937	return MATHML;
		6938	}
		6939	if( strcmp(input_type, html) == 0 ){
		6940	free(input_type);
		6941	return MATHML;
		6942	}
		6943	if( strcmp(input_type, fontfamily) == 0 ){
		6944	free(input_type);
		6945	return FONTFAMILY;
		6946	}
		6947	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6948	free(input_type);
		6949	return POLYLINE;
		6950	}
		6951	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6952	free(input_type);
		6953	return RECT;
		6954	}
		6955	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6956	free(input_type);
		6957	return ROUNDRECT;
		6958	}
		6959	if( strcmp(input_type, froundrect) == 0 ){
		6960	free(input_type);
		6961	use_filled = TRUE;
		6962	return ROUNDRECT;
		6963	}
		6964	if( strcmp(input_type, square) == 0 ){
		6965	free(input_type);
		6966	return SQUARE;
		6967	}
		6968	if( strcmp(input_type, fsquare) == 0 ){
		6969	free(input_type);
		6970	use_filled = TRUE;
		6971	return SQUARE;
		6972	}
		6973	if( strcmp(input_type, dline) == 0 ){
		6974	use_dashed = TRUE;
		6975	free(input_type);
		6976	return LINE;
		6977	}
7786	schaersvoo	6978	if( strcmp(input_type, dvline) == 0 ){
		6979	use_dashed = TRUE;
		6980	free(input_type);
		6981	return VLINE;
		6982	}
		6983	if( strcmp(input_type, dhline) == 0 ){
		6984	use_dashed = TRUE;
		6985	free(input_type);
		6986	return HLINE;
		6987	}
7614	schaersvoo	6988	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6989	use_filled = TRUE;
		6990	free(input_type);
		6991	return RECT;
		6992	}
		6993	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6994	use_filled = TRUE;
		6995	free(input_type);
		6996	return CIRCLE;
		6997	}
		6998	if( strcmp(input_type, circle) == 0 ){
		6999	free(input_type);
		7000	return CIRCLE;
		7001	}
		7002	if( strcmp(input_type, point) == 0 ){
		7003	free(input_type);
		7004	return POINT;
		7005	}
		7006	if( strcmp(input_type, points) == 0 ){
		7007	free(input_type);
		7008	return POINTS;
		7009	}
		7010	if( strcmp(input_type, filledarc) == 0 ){
		7011	use_filled = TRUE;
		7012	free(input_type);
		7013	return ARC;
		7014	}
		7015	if( strcmp(input_type, arc) == 0 ){
		7016	free(input_type);
		7017	return ARC;
		7018	}
		7019	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		7020	free(input_type);
		7021	return POLY;
		7022	}
		7023	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		7024	use_filled = TRUE;
		7025	free(input_type);
		7026	return POLY;
		7027	}
		7028	if( strcmp(input_type, ellipse) == 0){
		7029	free(input_type);
		7030	return ELLIPSE;
		7031	}
		7032	if( strcmp(input_type, fill) == 0 ){
		7033	free(input_type);
		7034	return FLOODFILL;
		7035	}
		7036	if( strcmp(input_type, string) == 0 ){
		7037	free(input_type);
		7038	return STRING;
		7039	}
		7040	if( strcmp(input_type, stringup) == 0 ){
		7041	free(input_type);
		7042	return STRINGUP;
		7043	}
		7044	if( strcmp(input_type, opacity) == 0 ){
		7045	free(input_type);
		7046	return OPACITY;
		7047	}
		7048	if( strcmp(input_type, comment) == 0){
		7049	free(input_type);
		7050	return COMMENT;
		7051	}
		7052	if( strcmp(input_type, end) == 0){
		7053	free(input_type);
		7054	return END;
		7055	}
		7056	if( strcmp(input_type, fellipse) == 0){
		7057	free(input_type);
		7058	use_filled = TRUE;
		7059	return ELLIPSE;
7956	schaersvoo	7060	}
7614	schaersvoo	7061	if( strcmp(input_type, blink) == 0 ){
		7062	free(input_type);
		7063	return BLINK;
		7064	}
		7065	if( strcmp(input_type, button) == 0){
		7066	free(input_type);
		7067	return BUTTON;
		7068	}
		7069	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		7070	free(input_type);
		7071	return TRANSLATION;
		7072	}
		7073	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		7074	free(input_type);
		7075	return KILLTRANSLATION;
		7076	}
		7077	if( strcmp(input_type, rotate) == 0){
		7078	free(input_type);
		7079	return ROTATE;
		7080	}
7785	schaersvoo	7081	if( strcmp(input_type, affine) == 0){
		7082	free(input_type);
		7083	return AFFINE;
		7084	}
		7085	if( strcmp(input_type, killaffine) == 0){
		7086	free(input_type);
		7087	return KILLAFFINE;
		7088	}
7614	schaersvoo	7089	if( strcmp(input_type, audio) == 0 ){
		7090	free(input_type);
		7091	return AUDIO;
		7092	}
		7093	if( strcmp(input_type, audioobject) == 0 ){
		7094	free(input_type);
		7095	return AUDIOOBJECT;
		7096	}
		7097	if( strcmp(input_type, slider) == 0 ){
		7098	free(input_type);
		7099	return SLIDER;
		7100	}
8101	schaersvoo	7101	if( strcmp(input_type, killslider) == 0 ){
		7102	free(input_type);
		7103	return KILLSLIDER;
		7104	}
7614	schaersvoo	7105	if( strcmp(input_type, copy) == 0 ){
		7106	free(input_type);
		7107	return COPY;
		7108	}
		7109	if( strcmp(input_type, copyresized) == 0 ){
		7110	free(input_type);
		7111	return COPYRESIZED;
		7112	}
		7113	if( strcmp(input_type, patternfill) == 0 ){
		7114	free(input_type);
		7115	return PATTERNFILL;
		7116	}
		7117	if( strcmp(input_type, hatchfill) == 0 ){
		7118	free(input_type);
		7119	return HATCHFILL;
		7120	}
7647	schaersvoo	7121	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	7122	free(input_type);
7647	schaersvoo	7123	return DIAMONDFILL;
7614	schaersvoo	7124	}
		7125	if( strcmp(input_type, dotfill) == 0 ){
		7126	free(input_type);
		7127	return DOTFILL;
		7128	}
		7129	if( strcmp(input_type, gridfill) == 0 ){
		7130	free(input_type);
		7131	return GRIDFILL;
		7132	}
		7133	if( strcmp(input_type, imagefill) == 0 ){
		7134	free(input_type);
		7135	return IMAGEFILL;
		7136	}
		7137	if( strcmp(input_type, clicktile_colors) == 0 ){
		7138	free(input_type);
		7139	return CLICKTILE_COLORS;
		7140	}
		7141	if( strcmp(input_type, clicktile) == 0 ){
		7142	free(input_type);
		7143	return CLICKTILE;
		7144	}
		7145	if( strcmp(input_type, xlogscale) == 0 ){
		7146	free(input_type);
		7147	return XLOGSCALE;
		7148	}
		7149	if( strcmp(input_type, ylogscale) == 0 ){
		7150	free(input_type);
		7151	return YLOGSCALE;
		7152	}
		7153	if( strcmp(input_type, xylogscale) == 0 ){
		7154	free(input_type);
		7155	return XYLOGSCALE;
		7156	}
		7157	if( strcmp(input_type, ylogscale) == 0 ){
		7158	free(input_type);
		7159	return YLOGSCALE;
		7160	}
7735	schaersvoo	7161	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	7162	free(input_type);
7735	schaersvoo	7163	return XLOGBASE;
7614	schaersvoo	7164	}
7735	schaersvoo	7165	if( strcmp(input_type, ylogbase) == 0 ){
		7166	free(input_type);
		7167	return YLOGBASE;
		7168	}
7614	schaersvoo	7169	if( strcmp(input_type, intooltip) == 0 ){
		7170	free(input_type);
		7171	return INTOOLTIP;
		7172	}
		7173	if( strcmp(input_type,video) == 0 ){
		7174	free(input_type);
		7175	return VIDEO;
		7176	}
		7177	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		7178	free(input_type);
		7179	return FLOODFILL;
7956	schaersvoo	7180	}
7614	schaersvoo	7181	if( strcmp(input_type,filltoborder) == 0 ){
		7182	free(input_type);
		7183	return FILLTOBORDER;
7956	schaersvoo	7184	}
7614	schaersvoo	7185	if( strcmp(input_type,clickfill) == 0 ){
		7186	free(input_type);
		7187	return CLICKFILL;
7956	schaersvoo	7188	}
7614	schaersvoo	7189	if( strcmp(input_type, replyformat) == 0 ){
		7190	free(input_type);
		7191	return REPLYFORMAT;
		7192	}
		7193	if( strcmp(input_type, pixelsize) == 0 ){
		7194	free(input_type);
		7195	return PIXELSIZE;
		7196	}
		7197	if( strcmp(input_type, setpixel) == 0 ){
		7198	free(input_type);
		7199	return SETPIXEL;
		7200	}
		7201	if( strcmp(input_type, pixels) == 0 ){
		7202	free(input_type);
		7203	return PIXELS;
		7204	}
		7205	if( strcmp(input_type, clickfillmarge) == 0 ){
		7206	free(input_type);
		7207	return CLICKFILLMARGE;
		7208	}
		7209	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		7210	free(input_type);
		7211	return X_AXIS_STRINGS;
		7212	}
		7213	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		7214	free(input_type);
		7215	return Y_AXIS_STRINGS;
		7216	}
		7217	if( strcmp(input_type, piechart) == 0 ){
		7218	free(input_type);
		7219	return PIECHART;
		7220	}
		7221	if( strcmp(input_type, barchart) == 0 ){
		7222	free(input_type);
		7223	return BARCHART;
		7224	}
		7225	if( strcmp(input_type, linegraph) == 0 ){
		7226	free(input_type);
		7227	return LINEGRAPH;
		7228	}
		7229	if( strcmp(input_type, clock) == 0 ){
		7230	free(input_type);
		7231	return CLOCK;
		7232	}
		7233	if( strcmp(input_type, legend) == 0 ){
		7234	free(input_type);
		7235	return LEGEND;
		7236	}
		7237	if( strcmp(input_type, legendcolors) == 0 ){
		7238	free(input_type);
		7239	return LEGENDCOLORS;
		7240	}
		7241	if( strcmp(input_type, xlabel) == 0 ){
		7242	free(input_type);
		7243	return XLABEL;
		7244	}
		7245	if( strcmp(input_type, ylabel) == 0 ){
		7246	free(input_type);
		7247	return YLABEL;
		7248	}
		7249	if( strcmp(input_type, animate) == 0 ){
		7250	free(input_type);
		7251	return ANIMATE;
		7252	}
		7253	/* these are bitmap related flydraw commmands...must be removed. eventually */
		7254	if( strcmp(input_type, transparent) == 0 ){
		7255	free(input_type);
		7256	return TRANSPARENT;
		7257	}
7877	schaersvoo	7258	if( strcmp(input_type, status) == 0 \|\| strcmp(input_type, nostatus) == 0 ){
7614	schaersvoo	7259	free(input_type);
		7260	return STATUS;
		7261	}
		7262	if( strcmp(input_type, snaptogrid) == 0 ){
		7263	free(input_type);
		7264	return SNAPTOGRID;
		7265	}
7784	schaersvoo	7266	if( strcmp(input_type, xsnaptogrid) == 0 ){
		7267	free(input_type);
		7268	return XSNAPTOGRID;
		7269	}
		7270	if( strcmp(input_type, ysnaptogrid) == 0 ){
		7271	free(input_type);
		7272	return YSNAPTOGRID;
		7273	}
7652	schaersvoo	7274	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	7275	free(input_type);
7652	schaersvoo	7276	return USERINPUT_XY;
		7277	}
7663	schaersvoo	7278	if( strcmp(input_type, usertextarea_xy) == 0 ){
		7279	free(input_type);
		7280	return USERTEXTAREA_XY;
		7281	}
7654	schaersvoo	7282	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	7283	free(input_type);
7654	schaersvoo	7284	return SGRAPH;
		7285	}
7823	schaersvoo	7286	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	7287	free(input_type);
7823	schaersvoo	7288	return JSMATH;
		7289	}
7858	schaersvoo	7290	if( strcmp(input_type, trace_jscurve) == 0 ){
7823	schaersvoo	7291	free(input_type);
7858	schaersvoo	7292	return TRACE_JSCURVE;
7823	schaersvoo	7293	}
7858	schaersvoo	7294	if( strcmp(input_type, jscurve) == 0 \|\| strcmp(input_type, jsplot) == 0 ){
		7295	free(input_type);
		7296	return JSCURVE;
		7297	}
7984	schaersvoo	7298	if( strcmp(input_type, centerstring) == 0 \|\| strcmp(input_type, title) == 0 ){
7983	schaersvoo	7299	free(input_type);
		7300	return CENTERSTRING;
		7301	}
7838	schaersvoo	7302	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	7303	free(input_type);
7838	schaersvoo	7304	return SETLIMITS;
		7305	}
7996	schaersvoo	7306	if( strcmp(input_type, xunit) == 0 ){
7838	schaersvoo	7307	free(input_type);
7996	schaersvoo	7308	return XUNIT;
		7309	}
		7310	if( strcmp(input_type, yunit) == 0 ){
		7311	free(input_type);
		7312	return YUNIT;
		7313	}
8105	schaersvoo	7314	if( strcmp(input_type, angle) == 0 ){
7996	schaersvoo	7315	free(input_type);
8105	schaersvoo	7316	return ANGLE;
		7317	}
		7318	free(input_type);
7614	schaersvoo	7319	ungetc(c,infile);
		7320	return 0;
		7321	}
7856	schaersvoo	7322

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8129