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);
		31	double get_real(FILE infile,int last); / read a values; calculation and symbols allowed */
		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 */
		34	char get_string(FILE infile,int last); /* get the string at theend of a command */
		35	char get_string_argument(FILE infile,int last); /* the same, but with "comma" as separator */
		36	char convert_hex2rgb(char hexcolor);
		37	void add_read_canvas(int reply_format);
		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 */
7856	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 */
7856	schaersvoo	58	int done = FALSE;
7614	schaersvoo	59	int type; /* eg command number */
		60	int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
7785	schaersvoo	61	int use_affine = FALSE;
7614	schaersvoo	62	int use_rotate = FALSE;
		63	int use_translate = FALSE;
		64	int use_filled = FALSE;
		65	int use_dashed = FALSE; /* dashing not natively supported in firefox , for now... */
		66	char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
		67
		68	/******************************************************************************
		69	** Main Program
		70	******************************************************************************/
		71	int main(int argc, char *argv[]){
		72	/* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
		73	struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
		74	infile = stdin;/* read flyscript via stdin */
		75	int i,c;
		76	double double_data[MAX_INT+1];
		77	int int_data[MAX_INT+1];
		78	for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
		79	int use_parametric = FALSE;/* will be reset after parametric plotting */
		80	int use_axis = FALSE;
		81	int use_axis_numbering = FALSE;
7797	schaersvoo	82	int use_pan_and_zoom = FALSE;
7614	schaersvoo	83	int line_width = 1;
		84	int decimals = 2;
		85	int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
		86	int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
		87	int drag_type = -1;/* 0,1,2 : xy,x,y */
		88	int use_tooltip = FALSE;
		89	char *tooltip_text = "Click here";
		90	char temp = ""; / */
		91	char bgcolor = "";/ used for background of canvas_div ; default is tranparent */
		92	char *stroke_color = "255,0,0";
		93	char *fill_color = "0,255,0";
		94	char font_family = "12px Ariel"; / commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
		95	char *font_color = "#00000";
		96	char *draw_type = "points";
		97	char *fly_font = "normal";
		98	char *input_style = "";
		99	char *flytext = "";
7785	schaersvoo	100	char *affine_matrix = "[1,0,0,1,0,0]";
7614	schaersvoo	101	int pixelsize = 1;
		102	int reply_format = 0;
		103	int input_cnt = 0;
		104	int ext_img_cnt = 0;
		105	int font_size = 12;
		106	int dashtype[2] = { 2 , 2 };
		107	int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
		108	for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
		109	int arrow_head = 8; /* size in px*/
7833	schaersvoo	110	int crosshair_size = 5; /* size in px*/
7856	schaersvoo	111	int plot_steps = 250;
7614	schaersvoo	112	int found_size_command = 0;
		113	int click_cnt = 1;
		114	int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
		115	int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
		116	double angle = 0.0;
		117	int translate_x = 0;
		118	int translate_y = 0;
		119	int clickfillmarge = 20;
		120	int animation_type = 9; /* == object type curve in drag library */
7823	schaersvoo	121	int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
7614	schaersvoo	122	size_t string_length = 0;
		123	double stroke_opacity = 0.8;
		124	double fill_opacity = 0.8;
		125	char *URL = "http://localhost/images";
		126	memset(buffer,'\0',MAX_BUFFER);
		127	void *tmp_buffer = "";
7856	schaersvoo	128
7614	schaersvoo	129	/* default writing a unzipped js-include file into wims getfile directory */
		130	char *w_wims_session = getenv("w_wims_session");
7856	schaersvoo	131	if( w_wims_session == NULL \|\| *w_wims_session == 0 ){
7614	schaersvoo	132	canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
		133	}
		134	int L0=strlen(w_wims_session) + 21;
		135	char getfile_dir = my_newmem(L0); / create memory to fit string precisely */
		136	snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely */
		137	mode_t process_mask = umask(0); /* check if file exists */
		138	int result = mkdir(getfile_dir, S_IRWXU \| S_IRWXG \| S_IRWXO);
		139	if( result == 0 \|\| errno == EEXIST ){
		140	umask(process_mask); /* be sure to set correct permission */
7856	schaersvoo	141	char *w_session = getenv("w_session");
7614	schaersvoo	142	int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
		143	char getfile_cmd = my_newmem(L1); / create memory to fit string precisely */
7856	schaersvoo	144	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	145	/* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
		146	/* now write file into getfile dir*/
		147	char w_wims_home = getenv("w_wims_home"); / "/home/users/wims" : we need absolute path for location */
		148	int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
		149	char location = my_newmem(L2); / create memory to fit string precisely */
		150	snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/absolute path /
		151	js_include_file = fopen(location,"w");/* open the file location for writing */
		152	/* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
		153	if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
		154
		155	/* ----------------------------------------------------- */
		156	/* while more lines to process */
		157
		158	while(!finished){
		159	if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
		160	type = get_token(infile);
		161	done = FALSE;
		162	/*
		163	@canvasdraw
7856	schaersvoo	164	@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...)
7749	schaersvoo	165	@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> 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();<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.<br />example:<br />size 200,200;xrange -5,5;yrange -5,5;hline 0,0,black;vline 0,0,black<br />plot red,sin(x)<br />drag xy<br />html 0,0,5,-5, &euro; <br />lines green,2,0,2,-2,-2,2,-2,0;rectangle 1,1,4,4,purple;frectangle -1,-1,-4,-4,yellow</li></ul>
7614	schaersvoo	166	*/
		167	switch(type){
		168	case END:
		169	finished = 1;
		170	done = TRUE;
		171	break;
		172	case 0:
		173	sync_input(infile);
		174	break;
		175	case COMMENT:
		176	sync_input(infile);
		177	break;
		178	case EMPTY:
		179	sync_input(infile);
		180	break;
		181	case SIZE:
		182	/*
		183	@size width,height
		184	@set canvas size in pixels
		185	@mandatory first command
7647	schaersvoo	186	@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)
7614	schaersvoo	187	*/
		188	found_size_command = TRUE;
		189	xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
		190	ysize = (int)(abs(round(get_real(infile,1))));
		191	/* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
		192	xmin = 0;xmax = xsize;
7647	schaersvoo	193	ymin = 0;ymax = ysize;
7614	schaersvoo	194
7856	schaersvoo	195	/*
7614	schaersvoo	196	The sequence in which stuff is finally printed is important !!
		197	for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
		198	*/
		199	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;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block\"><span id=\"tooltip_placeholder%d\" style=\"display:none\"></span></div>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
		200	fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
		201	fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729	schaersvoo	202	fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
		203	var xsize = %d;\
		204	var ysize = %d;\
7797	schaersvoo	205	var precision = 100;\
7729	schaersvoo	206	var canvas_div = document.getElementById(\"canvas_div%d\");\
		207	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;};\
		208	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;};\
7735	schaersvoo	209	function x2px(x){if(use_xlogscale == 0 ){return 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);};};\
		210	function px2x(px){if(use_xlogscale == 0 ){return (Math.round((px(xmax - xmin)/xsize + xmin)precision))/precision;}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);};};\
		211	function px2y(py){if(use_ylogscale == 0 ){return (Math.round((ymax -py(ymax - ymin)/ysize)precision))/precision;}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);};};\
		212	function y2px(y){if(use_ylogscale == 0){return -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);};};\
7729	schaersvoo	213	function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
		214	function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
		215	function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)(x1-x2) + (y1-y2)(y1-y2) ));};\
		216	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) ));};\
		217	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;};\
7735	schaersvoo	218	var xlogbase = 10;\
		219	var ylogbase = 10;\
7729	schaersvoo	220	var use_xlogscale = 0;\
		221	var use_ylogscale = 0;\
		222	var x_strings = null;\
		223	var y_strings = null;\
		224	var use_pan_and_zoom = 0;\
7784	schaersvoo	225	var x_use_snap_to_grid = 0;\
		226	var y_use_snap_to_grid = 0;\
7729	schaersvoo	227	var xstart = 0;\
		228	var ystart = 0",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	229	/* default add the drag code : nearly always used ...*/
		230	add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
		231	break;
		232	case XRANGE:
		233	/*
		234	@ xrange xmin,xmax
7856	schaersvoo	235	@ if not given: 0,xsize (eg in pixels)
7614	schaersvoo	236	*/
		237	for(i = 0 ; i<2; i++){
		238	switch(i){
		239	case 0: xmin = get_real(infile,0);break;
		240	case 1: xmax = get_real(infile,1);break;
		241	default: break;
		242	}
		243	}
		244	if(xmin >= xmax){canvas_error(" xrange is not OK : xmin < xmax !\n");}
		245	fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
		246	break;
		247	case YRANGE:
		248	/*
		249	@ yrange ymin,ymax
		250	@ if not given 0,ysize (eg in pixels)
		251	*/
		252	for(i = 0 ; i<2; i++){
		253	switch(i){
		254	case 0: ymin = get_real(infile,0);break;
		255	case 1: ymax = get_real(infile,1);break;
		256	default: break;
		257	}
		258	}
		259	if(ymin >= ymax){canvas_error(" yrange is not OK : ymin < ymax !\n");}
		260	fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
		261	break;
		262	case TRANGE:
		263	/*
		264	@ trange tmin,tmax
		265	@ default -2,2
		266	*/
		267	use_parametric = TRUE;
		268	for(i = 0 ; i<2; i++){
		269	switch(i){
		270	case 0: tmin = get_real(infile,0);break;
		271	case 1: tmax = get_real(infile,1);break;
		272	default: break;
		273	}
		274	}
		275	if(tmin >= tmax ){canvas_error(" trange is not OK : tmin < tmax!\n");}
		276	break;
		277	case LINEWIDTH:
		278	/*
		279	@ linewidth int
		280	@ default 1
		281	*/
		282	line_width = (int) (get_real(infile,1));
		283	break;
		284	case ARROWHEAD:
		285	/*
		286	@ arrowhead int
		287	@ default 8 (pixels)
		288	*/
		289	arrow_head = (int) (get_real(infile,1));
		290	break;
		291	case CROSSHAIRSIZE:
		292	/*
		293	@ crosshairsize int
		294	@ default 10 (px)
		295	*/
		296	crosshair_size = (int) (get_real(infile,1));
		297	break;
		298	case CROSSHAIR:
		299	/*
		300	@ crosshair x,y,color
		301	@ draw a single crosshair point at (x;y) in color 'color'
		302	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		303	@ may be set draggable / onclick
		304	*/
		305	for(i=0;i<3;i++){
		306	switch(i){
		307	case 0: double_data[0] = get_real(infile,0);break; /* x */
		308	case 1: double_data[1] = get_real(infile,0);break; /* y */
		309	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		310	decimals = find_number_of_digits(precision);
7785	schaersvoo	311	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));\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);
7614	schaersvoo	312	click_cnt++;reset();
		313	break;
		314	default:break;
		315	}
		316	}
		317	break;
		318	case CROSSHAIRS:
		319	/*
		320	@ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
		321	@ draw multiple crosshair points at given coordinates in color 'color'
		322	@ use command 'crosshairsize int' and / or 'linewidth int' to adust
		323	@ may be set draggable / onclick individually (!)
		324	*/
		325	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		326	fill_color = stroke_color;
		327	i=0;
		328	while( ! done ){ /* get next item until EOL*/
		329	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		330	if(i%2 == 0 ){
		331	double_data[i] = get_real(infile,0); /* x */
		332	}
		333	else
		334	{
		335	double_data[i] = get_real(infile,1); /* y */
		336	}
		337	i++;
		338	}
		339	decimals = find_number_of_digits(precision);
		340	for(c=0 ; c < i-1 ; c = c+2){
7785	schaersvoo	341	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));\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);
7614	schaersvoo	342	click_cnt++;
		343	}
		344	reset();
		345	break;
		346	case POINT:
		347	/*
		348	@ point x,y,color
		349	@ draw a single point at (x;y) in color 'color'
		350	@ use command 'linewidth int' to adust size
		351	@ may be set draggable / onclick
7856	schaersvoo	352	@ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
7614	schaersvoo	353	*/
		354	for(i=0;i<3;i++){
		355	switch(i){
		356	case 0: double_data[0] = get_real(infile,0);break; /* x */
		357	case 1: double_data[1] = get_real(infile,0);break; /* y */
		358	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		359	decimals = find_number_of_digits(precision);
7785	schaersvoo	360	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));\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);
7614	schaersvoo	361	click_cnt++;break;
		362	default: break;
		363	}
		364	}
		365	reset();
		366	break;
		367	case POINTS:
		368	/*
7634	schaersvoo	369	@ points color,x1,y1,x2,y2,...,x_n,y_n
7614	schaersvoo	370	@ draw multiple points at given coordinates in color 'color'
		371	@ use command 'linewidth int' to adust size
		372	@ may be set draggable / onclick individually (!)
		373	*/
		374	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		375	fill_color = stroke_color;
		376	i=0;
		377	while( ! done ){ /* get next item until EOL*/
		378	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		379	if(i%2 == 0 ){
		380	double_data[i] = get_real(infile,0); /* x */
		381	}
		382	else
		383	{
		384	double_data[i] = get_real(infile,1); /* y */
		385	}
		386	i++;
		387	}
7856	schaersvoo	388	decimals = find_number_of_digits(precision);
7614	schaersvoo	389	for(c = 0 ; c < i-1 ; c = c+2){
7785	schaersvoo	390	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));\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);
7614	schaersvoo	391	click_cnt++;
		392	}
		393	reset();
		394	break;
		395	case SEGMENT:
		396	/*
		397	@ segment x1,y1,x2,y2,color
		398	@ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
		399	@ may be set draggable / onclick
		400	*/
		401	for(i=0;i<5;i++) {
		402	switch(i){
		403	case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
		404	case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
		405	case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
		406	case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
		407	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		408	decimals = find_number_of_digits(precision);
7785	schaersvoo	409	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));\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);
7614	schaersvoo	410	click_cnt++;reset();
		411	break;
		412	default: break;
		413	}
		414	}
		415	break;
		416	case LINE:
		417	/*
		418	@ line x1,y1,x2,y2,color
		419	@ draw a line through points (x1:y1)--(x2:y2) in color 'color'
		420	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		421	@ may be set draggable / onclick
		422	*/
		423	for(i=0;i<5;i++){
		424	switch(i){
		425	case 0: double_data[10]= get_real(infile,0);break; /* x-values */
		426	case 1: double_data[11]= get_real(infile,0);break; /* y-values */
		427	case 2: double_data[12]= get_real(infile,0);break; /* x-values */
		428	case 3: double_data[13]= get_real(infile,0);break; /* y-values */
		429	case 4: stroke_color=get_color(infile,1);/* name or hex color */
		430	if( double_data[10] == double_data[12] ){ /* vertical line*/
		431	double_data[1] = xmin;
		432	double_data[3] = ymax;
		433	double_data[0] = double_data[10];
		434	double_data[2] = double_data[10];
		435	}
		436	else
		437	{
		438	if( double_data[11] == double_data[13] ){ /* horizontal line */
		439	double_data[1] = double_data[11];
		440	double_data[3] = double_data[11];
		441	double_data[0] = ymin;
		442	double_data[2] = xmax;
		443	}
		444	else
		445	{
		446	/* m */
		447	double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
		448	/* q */
		449	double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
7856	schaersvoo	450
7614	schaersvoo	451	/xmin,mxmin+q,xmax,mxmax+q/
7856	schaersvoo	452
7614	schaersvoo	453	double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
		454	double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
		455	double_data[0] = xmin;
		456	double_data[2] = xmax;
		457	}
		458	}
		459	decimals = find_number_of_digits(precision);
7785	schaersvoo	460	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));\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);
7614	schaersvoo	461	click_cnt++;reset();
		462	break;
		463	}
		464	}
		465	break;
7856	schaersvoo	466	case HLINE:
7614	schaersvoo	467	/*
		468	@ hline x,y,color
		469	@ draw a horizontal line through point (x:y) in color 'color'
		470	@ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
		471	@ may be set draggable / onclick
		472	*/
		473	for(i=0;i<3;i++) {
		474	switch(i){
		475	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		476	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		477	case 2: stroke_color = get_color(infile,1);/* name or hex color */
		478	double_data[3] = double_data[1];
		479	decimals = find_number_of_digits(precision);
7785	schaersvoo	480	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));\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);
7614	schaersvoo	481	click_cnt++;reset();
		482	break;
		483	}
		484	}
		485	break;
		486	case VLINE:
		487	/*
		488	@ vline x,y,color
		489	@ draw a vertical line through point (x:y) in color 'color'
		490	@ may be set draggable / onclick
		491	*/
		492	for(i=0;i<3;i++) {
		493	switch(i){
		494	case 0: double_data[0] = get_real(infile,0);break; /* x-values */
		495	case 1: double_data[1] = get_real(infile,0);break; /* y-values */
		496	case 2: stroke_color=get_color(infile,1);/* name or hex color */
		497	double_data[2] = double_data[0];
		498	decimals = find_number_of_digits(precision);
7785	schaersvoo	499	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));\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);
7614	schaersvoo	500	click_cnt++;reset();
		501	break;
		502	}
		503	}
		504	break;
		505	case SQUARE:
		506	/*
		507	@ square x,y,side,color
		508	@ draw a square with left top corner (x:y) with side 'side' in color 'color'
		509	@ use command 'fsquare x,y,side,color' for a filled square
		510	@ use command/keyword 'filled' before command 'square x,y,side,color'
		511	@ use command 'fillcolor color' before 'fsquare' to set the fill colour.
		512	@ may be set draggable / onclick
		513	*/
		514	for(i=0;i<5;i++){
		515	switch(i){
		516	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		517	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		518	case 2:double_data[2] = get_real(infile,0);
		519	double_data[3] = double_data[2];
		520	break; /* x-values */
		521	case 3:stroke_color = get_color(infile,1);/* name or hex color */
		522	decimals = find_number_of_digits(precision);
7785	schaersvoo	523	fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.f,%.f],[%.f,%.f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\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,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	524	click_cnt++;reset();
		525	break;
		526	}
		527	}
		528	break;
		529	case ROUNDRECT:
		530	/*
		531	@ roundrect x1,y1,x2,y2,radius,color
		532	@ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
		533	@ use command/keyword 'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
		534	@ use command 'fillcolor color' before 'froundrect' to set the fill colour.
		535	@ may be set draggable / onclick
		536	*/
		537	for(i=0;i<6;i++){
		538	switch(i){
		539	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		540	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		541	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		542	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		543	case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
		544	case 5:stroke_color = get_color(infile,1);/* name or hex color */
		545	decimals = find_number_of_digits(precision);
7785	schaersvoo	546	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));\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);
7614	schaersvoo	547	click_cnt++;reset();
		548	break;
		549	}
		550	}
		551	break;
		552	case RECT:
		553	/*
		554	@ rect x1,y1,x2,y2,color
		555	@ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
		556	@ use command/keyword 'filled' before command 'rect x1,y1,x2,y2,color'
		557	@ use command 'fillcolor color' before 'frect' to set the fill colour.
		558	@ may be set draggable / onclick
		559	*/
		560	for(i=0;i<5;i++){
		561	switch(i){
		562	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		563	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		564	case 2:double_data[2] = get_real(infile,0);break; /* x-values */
		565	case 3:double_data[3] = get_real(infile,0);break; /* y-values */
		566	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		567	decimals = find_number_of_digits(precision);
7785	schaersvoo	568	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));\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);
7614	schaersvoo	569	click_cnt++;reset();
		570	break;
		571	}
		572	}
		573	break;
		574	case POLYLINE:
		575	/*
		576	@ polyline color,x1,y1,x2,y2...x_n,y_n
		577	@ may be set draggable / onclick
		578	*/
		579	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		580	i=0;
		581	c=0;
		582	while( ! done ){ /* get next item until EOL*/
		583	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		584	for( c = 0 ; c < 2; c++){
		585	if(c == 0 ){
		586	double_data[i] = get_real(infile,0);
		587	i++;
		588	}
		589	else
		590	{
		591	double_data[i] = get_real(infile,1);
		592	i++;
		593	}
		594	}
		595	}
		596	/* draw path : not closed & not filled */
		597	decimals = find_number_of_digits(precision);
7785	schaersvoo	598	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));\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);
7614	schaersvoo	599	click_cnt++;reset();
		600	break;
		601	case POLY:
		602	/*
		603	@ poly color,x1,y1,x2,y2...x_n,y_n
		604	@ draw closed polygon
		605	@ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
		606	@ may be set draggable / onclick
		607	*/
		608	stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
		609	i=0;
		610	c=0;
		611	while( ! done ){ /* get next item until EOL*/
		612	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		613	for( c = 0 ; c < 2; c++){
		614	if(c == 0 ){
		615	double_data[i] = get_real(infile,0);
		616	i++;
		617	}
		618	else
		619	{
		620	double_data[i] = get_real(infile,1);
		621	i++;
		622	}
		623	}
		624	}
		625	/* draw path : closed & optional filled */
		626	decimals = find_number_of_digits(precision);
7785	schaersvoo	627	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));\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);
7614	schaersvoo	628	click_cnt++;reset();
		629	break;
7856	schaersvoo	630	case ARC:
7614	schaersvoo	631	/*
		632	@ arc xc,yc,width,height,start_angle,end_angle,color
		633	@ can not be set "onclick" or "drag xy"
		634	@ attention: width == height == radius in pixels)
		635	*/
		636	for(i=0;i<7;i++){
		637	switch(i){
		638	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		639	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		640	case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
		641	case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
		642	case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
		643	case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
		644	case 6:stroke_color = get_color(infile,1);/* name or hex color */
		645	/* in Shape library:
		646	x[0] = x[1] = xc
		647	y[0] = y[1] = yc
7856	schaersvoo	648	w[0] = w[1] = radius = width = height
		649	h[0] = start_angle ; h[1] = end_engle
7614	schaersvoo	650	*/
		651	decimals = find_number_of_digits(precision);
7785	schaersvoo	652	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));\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);
7614	schaersvoo	653	reset();
		654	break;
		655	}
		656	}
		657	break;
		658	case ELLIPSE:
		659	/*
		660	@ ellipse xc,yc,radius_x,radius_y,color
7856	schaersvoo	661	@ a ellipse with center xc/yc in x/y-range
7614	schaersvoo	662	@ radius_x and radius_y are in pixels
		663	@ may be set draggable / onclick
7856	schaersvoo	664	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	665	*/
		666	for(i=0;i<5;i++){
		667	switch(i){
		668	case 0:double_data[0] = get_real(infile,0);break; /* x-values */
		669	case 1:double_data[1] = get_real(infile,0);break; /* y-values */
		670	case 2:double_data[2] = get_real(infile,0);break; /* rx -> px */
7856	schaersvoo	671	case 3:double_data[3] = get_real(infile,0);break; /* ry -> px */
7614	schaersvoo	672	case 4:stroke_color = get_color(infile,1);/* name or hex color */
		673	decimals = find_number_of_digits(precision);
7785	schaersvoo	674	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));\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);
7614	schaersvoo	675	click_cnt++;reset();
		676	break;
		677	}
		678	}
		679	break;
		680	case DASHTYPE:
		681	/*
		682	@ dashtype int ,int
		683	@ When dashed is set, the objects will be drawn with this dashtyp
		684	@ default value "dashtype 2,2"
		685	*/
		686	for(i=0;i<2;i++){
		687	switch(i){
		688	case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
		689	case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
		690	}
		691	}
		692	break;
		693	case CIRCLE:
		694	/*
		695	@ circle xc,yc,width (2*r in pixels),color
		696	@ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
		697	@ use command 'fillcolor color' to set the fillcolor
		698	@ may be set draggable / onclick
7856	schaersvoo	699	@ will shrink / expand on zoom out / zoom in
7614	schaersvoo	700	*/
		701	for(i=0;i<4;i++){
		702	switch(i){
		703	case 0: double_data[0] = get_real(infile,0);break; /* x */
		704	case 1: double_data[1] = get_real(infile,0);break; /* y */
		705	case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
		706	case 3: stroke_color = get_color(infile,1);/* name or hex color */
		707	decimals = find_number_of_digits(precision);
7785	schaersvoo	708	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));\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);
7614	schaersvoo	709	click_cnt++;reset();
		710	break;
		711	}
		712	}
		713	break;
		714	case RAYS:
		715	/*
		716	@ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
		717	@ draw rays in color 'color' and center (xc:yc)
7786	schaersvoo	718	@ may be set draggable or onclick (every individual ray)
7614	schaersvoo	719	*/
		720	stroke_color=get_color(infile,0);
7786	schaersvoo	721	fill_color = stroke_color;
		722	double_data[0] = get_real(infile,0);/* xc */
		723	double_data[1] = get_real(infile,0);/* yc */
		724	i=2;
		725	while( ! done ){ /* get next item until EOL*/
		726	if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
		727	if(i%2 == 0 ){
		728	double_data[i] = get_real(infile,0); /* x */
7614	schaersvoo	729	}
7786	schaersvoo	730	else
		731	{
		732	double_data[i] = get_real(infile,1); /* y */
7614	schaersvoo	733	}
7786	schaersvoo	734	fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
		735	i++;
7614	schaersvoo	736	}
7856	schaersvoo	737
		738	if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
		739	decimals = find_number_of_digits(precision);
7786	schaersvoo	740	for(c=2; c<i;c = c+2){
7614	schaersvoo	741	click_cnt++;
7786	schaersvoo	742	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));\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);
7614	schaersvoo	743	}
		744	reset();
		745	break;
		746	case ARROW:
		747	/*
		748	@ arrow x1,y1,x2,y2,h,color
		749	@ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		750	@ use command 'linewidth int' to adjust thickness of the arrow
		751	@ may be set draggable / onclick
		752	*/
		753	for(i=0;i<6;i++){
		754	switch(i){
		755	case 0: double_data[0] = get_real(infile,0);break; /* x */
		756	case 1: double_data[1] = get_real(infile,0);break; /* y */
		757	case 2: double_data[2] = get_real(infile,0);break; /* x */
		758	case 3: double_data[3] = get_real(infile,0);break; /* y */
		759	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		760	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		761	decimals = find_number_of_digits(precision);
7785	schaersvoo	762	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));\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);
7614	schaersvoo	763	click_cnt++;
		764	reset();
		765	break;
		766	}
		767	}
		768	break;
		769	case ARROW2:
		770	/*
		771	@ arrow2 x1,y1,x2,y2,h,color
		772	@ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
		773	@ use command 'arrowhead int' to adjust the arrow head size
		774	@ use command 'linewidth int' to adjust thickness of the arrow
		775	@ may be set draggable / onclick
		776	*/
		777	for(i=0;i<6;i++){
		778	switch(i){
		779	case 0: double_data[0] = get_real(infile,0);break; /* x */
		780	case 1: double_data[1] = get_real(infile,0);break; /* y */
		781	case 2: double_data[2] = get_real(infile,0);break; /* x */
		782	case 3: double_data[3] = get_real(infile,0);break; /* y */
		783	case 4: arrow_head = (int) get_real(infile,0);break;/* h */
		784	case 5: stroke_color = get_color(infile,1);/* name or hex color */
		785	decimals = find_number_of_digits(precision);
7785	schaersvoo	786	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));\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);
7614	schaersvoo	787	click_cnt++;reset();
		788	break;
		789	}
		790	}
		791	break;
7856	schaersvoo	792	case PARALLEL:
7614	schaersvoo	793	/*
		794	@ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
7856	schaersvoo	795	@ can not be set "onclick" or "drag xy"
7614	schaersvoo	796	*/
		797	for( i = 0;i < 8; i++ ){
		798	switch(i){
		799	case 0: double_data[0] = get_real(infile,0);break; /* x1-values -> x-pixels*/
		800	case 1: double_data[1] = get_real(infile,0);break; /* y1-values -> y-pixels*/
		801	case 2: double_data[2] = get_real(infile,0);break; /* x2-values -> x-pixels*/
		802	case 3: double_data[3] = get_real(infile,0);break; /* y2-values -> y-pixels*/
		803	case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
		804	case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
		805	case 6: int_data[0] = (int) (get_real(infile,0));break; /* n */
		806	case 7: stroke_color=get_color(infile,1);/* name or hex color */
		807	decimals = find_number_of_digits(precision);
7785	schaersvoo	808	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));\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);
7614	schaersvoo	809	click_cnt++;reset();
		810	break;
		811	default: break;
		812	}
		813	}
		814	break;
		815	case TRIANGLE:
		816	/*
		817	@triangle x1,y1,x2,y2,x3,y3,color
		818	@may be set draggable / onclic
		819	*/
		820	for(i=0;i<7;i++){
		821	switch(i){
		822	case 0: double_data[0] = get_real(infile,0);break; /* x */
		823	case 1: double_data[1] = get_real(infile,0);break; /* y */
		824	case 2: double_data[2] = get_real(infile,0);break; /* x */
		825	case 3: double_data[3] = get_real(infile,0);break; /* y */
		826	case 4: double_data[4] = get_real(infile,0);break; /* x */
		827	case 5: double_data[5] = get_real(infile,0);break; /* y */
		828	case 6: stroke_color = get_color(infile,1);/* name or hex color */
		829	decimals = find_number_of_digits(precision);
7785	schaersvoo	830	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));\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);
7614	schaersvoo	831	click_cnt++;reset();
		832	break;
		833	default: break;
		834	}
		835	}
		836	break;
		837	case LATTICE:
		838	/*
		839	@lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
7856	schaersvoo	840	@can not be set "onclick" or "drag xy"
7614	schaersvoo	841	*/
		842	if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
		843	for( i = 0; i<9; i++){
		844	switch(i){
		845	case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values -> x-pixels*/
		846	case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values -> y-pixels*/
		847	case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values -> x-pixels*/
		848	case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values -> y-pixels*/
		849	case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values -> x-pixels*/
		850	case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values -> y-pixels*/
		851	case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
		852	case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
		853	case 8: stroke_color=get_color(infile,1);
		854	decimals = find_number_of_digits(precision);
		855	string_length = snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",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_translate,translate_x,translate_y);
		856	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		857	snprintf(tmp_buffer,string_length,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",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_translate,translate_x,translate_y);
		858	add_to_buffer(tmp_buffer);
		859	break;
		860	default:break;
		861	}
		862	}
		863	reset();
		864	break;
		865	case SNAPTOGRID:
		866	/*
		867	@ snaptogrid
		868	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		869	@ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784	schaersvoo	870	@ 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	871	*/
7784	schaersvoo	872	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;var snap_x = 1;var snap_y = 1;function snap_to_x(x){return x2px(snap_x(Math.round((px2x(x))/snap_x)));};function snap_to_y(y){return y2px(snap_y(Math.round((px2y(y))/snap_y)));};\n");
7614	schaersvoo	873	break;
7784	schaersvoo	874	case XSNAPTOGRID:
		875	/*
		876	@ xsnaptogrid
		877	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		878	@ in case of userdraw the drawn points will snap to xmajor grid
7856	schaersvoo	879	@ 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	880	*/
		881	fprintf(js_include_file,"\nx_use_snap_to_grid = 1;var snap_x = 1;if (typeof snap_y === 'undefined') { var snap_y = 1;};var snap_y = 1;function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\n");
		882	break;
		883	case YSNAPTOGRID:
		884	/*
		885	@ ysnaptogrid
		886	@ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
		887	@ in case of userdraw the drawn points will snap to ymajor grid
7856	schaersvoo	888	@ 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	889	*/
		890	fprintf(js_include_file,"\ny_use_snap_to_grid = 1;if (typeof snap_x === 'undefined') { var snap_x = 1;};var snap_y = 1;\nfunction snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n");
		891	break;
7663	schaersvoo	892	case USERTEXTAREA_XY:
		893	/*
		894	@ usertextarea_xy
7856	schaersvoo	895	@ keyword
7663	schaersvoo	896	@ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
7856	schaersvoo	897	@ if set two textareas are added to the document<br />(one for x-values , one for y-values)
7663	schaersvoo	898	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7856	schaersvoo	899	@ user drawings will not zoom on zooming (or pan on panning)
7663	schaersvoo	900	*/
7856	schaersvoo	901	if( use_input_xy != 0 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
		902	add_safe_eval(js_include_file);
7749	schaersvoo	903	use_input_xy = 2;
		904	break;
7652	schaersvoo	905	case USERINPUT_XY:
		906	/*
		907	@ userinput_xy
7856	schaersvoo	908	@ keyword
7652	schaersvoo	909	@ to be used in combination with command "userdraw object_type,color"
7856	schaersvoo	910	@ 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	911	@ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749	schaersvoo	912	@ 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	913	@ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7856	schaersvoo	914	@ user drawings will not zoom on zooming (or pan on panning)
7652	schaersvoo	915	*/
7749	schaersvoo	916	/* add simple eval check to avoid code injection with unprotected eval(string) */
7856	schaersvoo	917	if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
		918	add_safe_eval(js_include_file);
7749	schaersvoo	919	use_input_xy = 1;
		920	break;
7614	schaersvoo	921	case USERDRAW:
		922	/*
		923	@ userdraw object_type,color
7663	schaersvoo	924	@ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>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></ul>
7614	schaersvoo	925	@ 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)
		926	@ 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
7856	schaersvoo	927	@ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
7614	schaersvoo	928	@ 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)
		929	@ use command "filled", "opacity int,int" and "fillcolor color" to trigger coloured filling of fillable objects
7856	schaersvoo	930	@ use command "dashed" and/or "dashtype int,int" to trigger dashing
7614	schaersvoo	931	@ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
		932	@ may be combined with onclick or drag xy of other components of flyscript objects (although not very usefull...)
7856	schaersvoo	933	@ may be combined with keyword 'userinput_xy' or
7653	schaersvoo	934	@ 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	935	*/
		936	if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
		937	canvas_error("Only one userdraw primitive may be used: read documentation !!");
		938	}
		939	use_userdraw = TRUE;
7856	schaersvoo	940	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	941	draw_type = get_string_argument(infile,0);
		942	stroke_color = get_color(infile,1);
		943	if( strcmp(draw_type,"point") == 0 ){
		944	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		945	if(reply_format < 1 ){reply_format = 8;}
		946	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7856	schaersvoo	947	if(use_input_xy == 1){
7652	schaersvoo	948	add_input_circle(js_include_file,1,1);
		949	add_input_xy(js_include_file,canvas_root_id);
		950	}
7614	schaersvoo	951	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);
		952	}
		953	else
		954	if( strcmp(draw_type,"points") == 0 ){
		955	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		956	if(reply_format < 1 ){reply_format = 8;}
		957	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7856	schaersvoo	958	if(use_input_xy == 1){
7652	schaersvoo	959	add_input_circle(js_include_file,1,2);
		960	add_input_xy(js_include_file,canvas_root_id);
		961	}
7614	schaersvoo	962	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);
		963	}
		964	else
		965	if( strcmp(draw_type,"segment") == 0 ){
		966	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		967	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		968	if(reply_format < 1){reply_format = 11;}
7856	schaersvoo	969	if(use_input_xy == 1){
7652	schaersvoo	970	add_input_segment(js_include_file,1);
		971	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		972	}
7614	schaersvoo	973	add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		974	}
		975	else
7663	schaersvoo	976	if( strcmp(draw_type,"polyline") == 0 ){
		977	if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782	schaersvoo	978	if(reply_format < 1){reply_format = 23;}
7780	schaersvoo	979	if( use_input_xy == 1 ){
		980	add_input_polyline(js_include_file);
		981	add_input_xy(js_include_file,canvas_root_id);
7663	schaersvoo	982	}
		983	add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		984	}
		985	else
7614	schaersvoo	986	if( strcmp(draw_type,"segments") == 0 ){
		987	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		988	if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
		989	if(reply_format < 1){reply_format = 11;}
7856	schaersvoo	990	if(use_input_xy == 1){
7652	schaersvoo	991	add_input_segment(js_include_file,2);
		992	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		993	}
7614	schaersvoo	994	add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
		995	}
		996	else
		997	if( strcmp(draw_type,"circle") == 0 ){
		998	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		999	if(reply_format < 1){reply_format = 10;}
		1000	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7856	schaersvoo	1001	if(use_input_xy == 1){
7652	schaersvoo	1002	add_input_circle(js_include_file,2,1);
		1003	add_input_xyr(js_include_file,canvas_root_id);
		1004	}
7614	schaersvoo	1005	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]);
		1006	}
		1007	else
		1008	if( strcmp(draw_type,"circles") == 0 ){
		1009	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1010	if(reply_format < 1){reply_format = 10;}
		1011	/* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
		1012	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]);
7856	schaersvoo	1013	if(use_input_xy == 1){
7652	schaersvoo	1014	add_input_circle(js_include_file,2,2);
		1015	add_input_xyr(js_include_file,canvas_root_id);
		1016	}
7614	schaersvoo	1017	}
		1018	else
		1019	if(strcmp(draw_type,"crosshair") == 0 ){
		1020	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1021	if(reply_format < 1){reply_format = 8;}
		1022	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1023	add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7856	schaersvoo	1024	if(use_input_xy == 1){
7654	schaersvoo	1025	add_input_crosshair(js_include_file,1);
		1026	add_input_xy(js_include_file,canvas_root_id);
		1027	}
7614	schaersvoo	1028	}
		1029	else
		1030	if(strcmp(draw_type,"crosshairs") == 0 ){
		1031	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1032	if(reply_format < 1){reply_format = 8;}
		1033	/* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
		1034	add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7856	schaersvoo	1035	if(use_input_xy == 1){
7654	schaersvoo	1036	add_input_crosshair(js_include_file,2);
		1037	add_input_xy(js_include_file,canvas_root_id);
		1038	}
7614	schaersvoo	1039	}
		1040	else
		1041	if(strcmp(draw_type,"freehandline") == 0 ){
		1042	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1043	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1044	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	1045	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1046	}
		1047	else
		1048	if(strcmp(draw_type,"freehandlines") == 0 ){
		1049	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1050	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1051	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	1052	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1053	}
		1054	else
		1055	if(strcmp(draw_type,"path") == 0 ){
		1056	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1057	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1058	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	1059	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1060	}
		1061	else
		1062	if(strcmp(draw_type,"paths") == 0 ){
		1063	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1064	if(reply_format < 1){reply_format = 6;}
7856	schaersvoo	1065	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	1066	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1067	}
		1068	else
		1069	if(strcmp(draw_type,"arrows") == 0 ){
		1070	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1071	if(reply_format < 1){reply_format = 11;}
		1072	add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7856	schaersvoo	1073	if(use_input_xy == 1){
7654	schaersvoo	1074	add_input_arrow(js_include_file,2);
		1075	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1076	}
7614	schaersvoo	1077	}
		1078	else
		1079	if(strcmp(draw_type,"arrow") == 0 ){
		1080	if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
		1081	if(reply_format < 1){reply_format = 11;}
		1082	add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7856	schaersvoo	1083	if(use_input_xy == 1){
7654	schaersvoo	1084	add_input_arrow(js_include_file,1);
		1085	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1086	}
7614	schaersvoo	1087	}
		1088	else
		1089	if(strcmp(draw_type,"polygon") == 0){
		1090	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1091	if(reply_format < 1){reply_format = 2;}
		1092	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]);
7780	schaersvoo	1093	if( use_input_xy == 2 ){
		1094	add_textarea_polygon(js_include_file);
		1095	add_textarea_xy(js_include_file,canvas_root_id);
7746	schaersvoo	1096	}
7614	schaersvoo	1097	}
7856	schaersvoo	1098	else
7614	schaersvoo	1099	if(strncmp(draw_type,"poly",4) == 0){
		1100	if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
		1101	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1102	if(reply_format < 1){reply_format = 2;}
		1103	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	1104	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1105	}
7856	schaersvoo	1106	else
7614	schaersvoo	1107	if(strcmp(draw_type,"triangle") == 0){
		1108	if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
		1109	if(reply_format < 1){reply_format = 2;}
		1110	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	1111	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1112	}
7856	schaersvoo	1113	else
7614	schaersvoo	1114	if( strcmp(draw_type,"line") == 0 ){
		1115	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1116	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1117	if(reply_format < 1){reply_format = 11;}
		1118	add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1119	if( use_input_xy == 1 ){
7780	schaersvoo	1120	add_input_line(js_include_file,1);
7747	schaersvoo	1121	add_input_x1y1x2y2(js_include_file,canvas_root_id);
		1122	}
7614	schaersvoo	1123	}
		1124	else
		1125	if( strcmp(draw_type,"lines") == 0 ){
		1126	if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
		1127	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
		1128	if(reply_format < 1){reply_format = 11;}
		1129	add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747	schaersvoo	1130	if( use_input_xy == 1 ){
7780	schaersvoo	1131	add_input_line(js_include_file,2);
7747	schaersvoo	1132	add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746	schaersvoo	1133	}
7614	schaersvoo	1134	}
		1135	else
		1136	if( strcmp(draw_type,"rects") == 0){
		1137	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1138	if(reply_format < 1){reply_format = 2;}
		1139	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	1140	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1141	}
7856	schaersvoo	1142	else
7614	schaersvoo	1143	if( strcmp(draw_type,"roundrects") == 0){
		1144	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1145	if(reply_format < 1){reply_format = 2;}
		1146	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	1147	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1148	}
7856	schaersvoo	1149	else
7614	schaersvoo	1150	if( strcmp(draw_type,"rect") == 0){
		1151	if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
		1152	if(reply_format < 1){reply_format = 2;}
		1153	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	1154	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1155	}
7856	schaersvoo	1156	else
7614	schaersvoo	1157	if( strcmp(draw_type,"roundrect") == 0){
		1158	if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
		1159	if(reply_format < 1){reply_format = 2;}
		1160	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	1161	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1162	}
		1163	else
		1164	if( strcmp(draw_type,"text") == 0){
7856	schaersvoo	1165	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1166	if(reply_format < 1){reply_format = 17;}
		1167	add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
7652	schaersvoo	1168	if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614	schaersvoo	1169	}
7856	schaersvoo	1170	else
7614	schaersvoo	1171	{
		1172	canvas_error("unknown drawtype or typo? ");
		1173	}
		1174	reset();
		1175	break;
		1176	case PLOTSTEPS:
		1177	/*
		1178	@ plotsteps a_number
		1179	@ default 150
		1180	@ use with care !
		1181	*/
		1182	plot_steps = (int) (get_real(infile,1));
		1183	break;
		1184	case FONTSIZE:
		1185	/*
		1186	@fontsize font_size
		1187	@default value 12
		1188	*/
		1189	font_size = (int) (get_real(infile,1));
		1190	break;
		1191	case FONTCOLOR:
		1192	/*
		1193	@fontcolor color
		1194	@color: hexcolor or colorname
		1195	@default: black
		1196	@example usage: x/y-axis text
		1197	*/
		1198	font_color = get_color(infile,1);
		1199	break;
		1200	case ANIMATE:
		1201	/*
		1202	@animate type
		1203	@type may be "point" (nothing else , yet...)
		1204	@the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
		1205	@will animate a point on the next plot/curve command
		1206	@the curve will not be draw
		1207	@moves repeatedly from xmin to xmax
		1208	*/
		1209	if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
		1210	break;
7788	schaersvoo	1211	case LEVELCURVE:
		1212	/*
		1213	@levelcurve color,expression in x/y,l1,l2,...
7792	schaersvoo	1214	@draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
		1215	@the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
		1216	@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
		1217	@note : the arrays for holding the javascript data are limited in size
		1218	@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	1219	*/
7792	schaersvoo	1220	fill_color = get_color(infile,0);
7788	schaersvoo	1221	char *fun1 = get_string_argument(infile,0);
		1222	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
		1223	i = 0;
		1224	done = FALSE;
		1225	while( !done ){
		1226	double_data[i] = get_real(infile,1);
		1227	i++;
		1228	}
		1229	for(c = 0 ; c < i; c++){
		1230	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));\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);
		1231	click_cnt++;
		1232	}
		1233	reset();
		1234	break;
7823	schaersvoo	1235	case TRACE_JSMATH:
		1236	/*
		1237	@trace_jsmath some_javascript_math_function
		1238	@will use a crosshair to trace the jsmath curve
7856	schaersvoo	1239	@two inputfields will display the current x/y-values (numerical evaluation by javascript)
		1240	@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	1241	@use linewidth,strokecolor,crosshairsize to adjust the corsshair.
		1242	@example: trace_jsmath Math.pow(x,2)+4*x+16
		1243	@example: trace_jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1244	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
		1245	*/
		1246	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
7833	schaersvoo	1247	if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
7823	schaersvoo	1248	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);
		1249	break;
		1250	case JSMATH:
		1251	/*
		1252	@jsmath some_javascript_math_function
7856	schaersvoo	1253	@will calculate an y-value from a userinput x-value and draws a crosshair on these coordinates.
		1254	@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	1255	@example: jsmath Math.pow(x,2)+4*x+16
		1256	@example: jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
		1257	@no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
		1258	*/
		1259	if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
		1260	add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
		1261	break;
7614	schaersvoo	1262	case CURVE:
		1263	/*
		1264	@curve color,formula(x)
		1265	@plot color,formula(x)
		1266	@use command trange before command curve / plot (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
		1267	@use command "precision" to increase the number of digits of the plotted points
		1268	@use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
		1269	@may be set draggable / onclick
		1270	*/
		1271	if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
		1272	use_parametric = FALSE;
		1273	stroke_color = get_color(infile,0);
		1274	char *fun1 = get_string_argument(infile,0);
		1275	char *fun2 = get_string_argument(infile,1);
		1276	if( strlen(fun1) == 0 \|\| strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785	schaersvoo	1277	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));\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);
7614	schaersvoo	1278	click_cnt++;
		1279	}
		1280	else
		1281	{
		1282	stroke_color = get_color(infile,0);
		1283	char *fun1 = get_string_argument(infile,1);
7856	schaersvoo	1284	if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
7785	schaersvoo	1285	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));\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);
7614	schaersvoo	1286	click_cnt++;
		1287	}
7788	schaersvoo	1288	animation_type = 9;/* reset to curve plotting without animation */
7614	schaersvoo	1289	reset();
		1290	break;
		1291	case FLY_TEXT:
		1292	/*
		1293	@ text fontcolor,x,y,font,text_string
		1294	@ font may be described by keywords : giant,huge,normal,small,tiny
7856	schaersvoo	1295	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1296	@ may be set "onclick" or "drag xy"
		1297	@ backwards compatible with flydraw
		1298	@ unicode supported: text red,0,0,huge,\\u2232
		1299	@ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1300	@ 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 rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
		1301	*/
		1302	for(i = 0; i < 5 ;i++){
		1303	switch(i){
		1304	case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
		1305	case 1: double_data[0] = get_real(infile,0);break; /* x */
		1306	case 2: double_data[1] = get_real(infile,0);break; /* y */
		1307	case 3: fly_font = get_string_argument(infile,0);
		1308	if(strcmp(fly_font,"giant") == 0){
		1309	font_size = (int)(font_size + 24);
		1310	}
		1311	else
		1312	{
		1313	if(strcmp(fly_font,"huge") == 0){
		1314	font_size = (int)(font_size + 14);
		1315	}
		1316	else
		1317	{
		1318	if(strcmp(fly_font,"large") == 0){
		1319	font_size = (int)(font_size + 6);
		1320	}
		1321	else
		1322	{
		1323	if(strcmp(fly_font,"small") == 0){
		1324	font_size = (int)(font_size - 4);
		1325	if(font_size<0){font_size = 8;}
		1326	}
		1327	}
		1328	}
		1329	}
		1330	break; /* font_size ! */
7856	schaersvoo	1331	case 4:
7614	schaersvoo	1332	temp = get_string_argument(infile,1);
		1333	decimals = find_number_of_digits(precision);
7785	schaersvoo	1334	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,%d,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	1335	click_cnt++;reset();break;
		1336	default:break;
		1337	}
		1338	}
		1339	break;
		1340	case FLY_TEXTUP:
		1341	/*
		1342	@ textup fontcolor,x,y,font,text_string
		1343	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1344	@ font may be described by keywords : giant,huge,normal,small,tiny
7856	schaersvoo	1345	@ use command 'fontsize' to increase base fontsize for the keywords
7614	schaersvoo	1346	@ backwards compatible with flydraw
		1347	@ unicode supported: textup red,0,0,huge,\\u2232
		1348	@ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
		1349	@ 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 rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
		1350	*/
7856	schaersvoo	1351	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}
7614	schaersvoo	1352	for(i = 0; i<5 ;i++){
		1353	switch(i){
		1354	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1355	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1356	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1357	case 3: fly_font = get_string_argument(infile,0);
		1358	if(strcmp(fly_font,"giant") == 0){
		1359	font_size = (int)(font_size + 24);
		1360	}
		1361	else
		1362	{
		1363	if(strcmp(fly_font,"huge") == 0){
		1364	font_size = (int)(font_size + 14);
		1365	}
		1366	else
		1367	{
		1368	if(strcmp(fly_font,"large") == 0){
		1369	font_size = (int)(font_size + 6);
		1370	}
		1371	else
		1372	{
		1373	if(strcmp(fly_font,"small") == 0){
		1374	font_size = (int)(font_size - 4);
		1375	if(font_size<0){font_size = 8;}
		1376	}
		1377	}
		1378	}
		1379	}
		1380	break; /* font_size ! */
7856	schaersvoo	1381	case 4:
7614	schaersvoo	1382	decimals = find_number_of_digits(precision);
		1383	temp = get_string_argument(infile,1);
		1384	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
		1385	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1386	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
		1387	add_to_buffer(tmp_buffer);
		1388	break;
		1389	default:break;
		1390	}
		1391	}
		1392	reset();
		1393	break;
		1394	case FONTFAMILY:
		1395	/*
		1396	@ fontfamily font_description
		1397	@ set the font family; for browsers that support it
		1398	@ font_description: Ariel ,Courier, Helvetica etc
		1399	@ 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
		1400	@ use correct syntax : 'font style' 'font size'px 'fontfamily'
		1401	*/
		1402	font_family = get_string(infile,1);
		1403	break;
		1404	case STRINGUP:
7856	schaersvoo	1405	/*
		1406	@ stringup color,x,y,rotation_degrees,the text string
7614	schaersvoo	1407	@ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
		1408	@ unicode supported: stringup red,0,0,45,\\u2232
		1409	@ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
		1410
		1411	*/
		1412	if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;} /* can not be added to shape library : rotate / mouse issues */
		1413	for(i=0;i<6;i++){
		1414	switch(i){
		1415	case 0: font_color = get_color(infile,0);break;/* name or hex color */
		1416	case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
		1417	case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
		1418	case 3: double_data[0] = get_real(infile,0);break;/* rotation */
		1419	case 4: decimals = find_number_of_digits(precision);
		1420	temp = get_string_argument(infile,1);
		1421	string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%d]);\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_translate,translate_x,translate_y);
		1422	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1423	snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%d]);\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_translate,translate_x,translate_y);
		1424	add_to_buffer(tmp_buffer);
		1425	break;
		1426	default:break;
		1427	}
		1428	}
		1429	reset();
		1430	break;
		1431	case STRING:
7856	schaersvoo	1432	/*
7614	schaersvoo	1433	@ string color,x,y,the text string
		1434	@ may be set "onclick" or "drag xy"
		1435	@ unicode supported: string red,0,0,\\u2232
7856	schaersvoo	1436	@ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
7614	schaersvoo	1437	*/
		1438	for(i=0;i<5;i++){
		1439	switch(i){
		1440	case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
		1441	case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
		1442	case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
		1443	case 3: decimals = find_number_of_digits(precision);
		1444	temp = get_string_argument(infile,1);
		1445	decimals = find_number_of_digits(precision);
7785	schaersvoo	1446	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,%d,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family,use_affine,affine_matrix);
7614	schaersvoo	1447	click_cnt++;reset();break;
		1448	break;
		1449	default:break;
		1450	}
		1451	}
		1452	break;
		1453	case MATHML:
		1454	/*
		1455	@ mathml x1,y1,x2,y2,mathml_string
7856	schaersvoo	1456	@ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1457	@ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
7856	schaersvoo	1458	@ 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	1459	@ 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....
7856	schaersvoo	1460
7614	schaersvoo	1461	*/
		1462	if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
		1463	for(i=0;i<5;i++){
		1464	switch(i){
		1465	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1466	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1467	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1468	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1469	case 4: decimals = find_number_of_digits(precision);
7856	schaersvoo	1470	if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
7614	schaersvoo	1471	temp = get_string(infile,1);
		1472	if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
		1473	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);
		1474	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1475	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);
		1476	add_to_buffer(tmp_buffer);
7856	schaersvoo	1477	/*
		1478	in case inputs are present , trigger adding the read_mathml()
7614	schaersvoo	1479	if no other reply_format is defined
		1480	note: all other reply types will include a reading of elements with id='mathml'+p)
		1481	*/
		1482	if(strstr(temp,"mathml0") != NULL){
		1483	if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
		1484	}
		1485	break;
		1486	default:break;
		1487	}
		1488	}
		1489	reset();
		1490	break;
		1491	case HTTP:
		1492	/*
		1493	@http x1,y1,x2,y2,http://some_adress.com
7856	schaersvoo	1494	@an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
7614	schaersvoo	1495	@do not use interactivity (or mouse) if the mouse needs to be active in the iframe
		1496	@can not be 'set onclick' or 'drag xy'
		1497	*/
7856	schaersvoo	1498	if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}
7614	schaersvoo	1499	for(i=0;i<5;i++){
		1500	switch(i){
		1501	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
		1502	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system -> pixel height */
		1503	case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
		1504	case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system -> pixel height */
		1505	case 4: decimals = find_number_of_digits(precision);
		1506	temp = get_string(infile,1);
		1507	if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
		1508	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);
		1509	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1510	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);
		1511	add_to_buffer(tmp_buffer);
		1512	break;
		1513	}
		1514	}
		1515	reset();
		1516	break;
		1517	case HTML:
		1518	/*
		1519	@ html x1,y1,x2,y2,html_string
		1520	@ all tags are allowed
		1521	@ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
		1522	@ 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.
7856	schaersvoo	1523
7614	schaersvoo	1524	note: uses the same code as 'mathml'
		1525	*/
		1526	break;
		1527	case X_AXIS_STRINGS:
		1528	/*
		1529	@ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1530	@ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1531	@ use these x-axis values in stead of default xmin...xmax
		1532	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1533	@ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
		1534	@ 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
		1535	@ 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
		1536	*/
		1537	temp = get_string(infile,1);
		1538	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1539	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1540	fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
		1541	use_axis_numbering = 1;
		1542	break;
		1543	case Y_AXIS_STRINGS:
		1544	/*
		1545	@ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1546	@ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
		1547	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1548	@ use these y-axis values in stead of default ymin...ymax
		1549	@ 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
		1550	*/
		1551	temp = get_string(infile,1);
		1552	if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
		1553	if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
		1554	fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
		1555	use_axis_numbering = 1;
		1556	break;
7856	schaersvoo	1557
7614	schaersvoo	1558	case AXIS_NUMBERING:
		1559	/*
7856	schaersvoo	1560	@ axisnumbering
7614	schaersvoo	1561	@ keyword, no aguments required
		1562	*/
		1563	use_axis_numbering = 1;
		1564	break;
		1565	case AXIS:
		1566	/*
		1567	@ axis
		1568	@ keyword, no aguments required
		1569
		1570	*/
		1571	use_axis = TRUE;
		1572	break;
7654	schaersvoo	1573	case SGRAPH:
		1574	/*
		1575	@ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
		1576	@ primitive implementation of a 'broken scale' graph...
		1577	@ not very versatile.
		1578	@ 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
		1579	*/
7856	schaersvoo	1580	if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
7654	schaersvoo	1581	for(i = 0 ; i < 8 ;i++){
		1582	switch(i){
		1583	case 0:double_data[0] = get_real(infile,0);break;
		1584	case 1:double_data[1] = get_real(infile,0);break;
		1585	case 2:double_data[2] = get_real(infile,0);break;
		1586	case 3:double_data[3] = get_real(infile,0);break;
		1587	case 4:int_data[0] = (int)(get_real(infile,0));break;
		1588	case 5:int_data[1] = (int)(get_real(infile,0));break;
		1589	case 6:stroke_color = get_color(infile,0);break;
		1590	case 7:font_color = get_color(infile,1);
7658	schaersvoo	1591	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	1592	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658	schaersvoo	1593	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	1594	add_to_buffer(tmp_buffer);
		1595	break;
		1596	default:break;
		1597	}
		1598	}
		1599	/* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
		1600	break;
7614	schaersvoo	1601	case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
		1602	/*
		1603	@ grid step_x,step_y,gridcolor
		1604	@ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
		1605	@ 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	1606	@ 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	1607	@ can not be set "onclick" or "drag xy"
		1608	@ 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')
		1609	@ 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')
		1610	@ 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')
		1611	*/
7729	schaersvoo	1612	if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614	schaersvoo	1613	if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
		1614	for(i=0;i<4;i++){
		1615	switch(i){
		1616	case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
		1617	case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
		1618	case 2:
		1619	if( use_axis == TRUE ){
		1620	stroke_color = get_color(infile,0);
		1621	done = FALSE;
		1622	int_data[0] = (int) (get_real(infile,0));/* xminor */
		1623	int_data[1] = (int) (get_real(infile,0));/* yminor */
		1624	int_data[2] = (int) (get_real(infile,0));/* tic_length */
		1625	fill_color = get_color(infile,1); /* used as axis_color*/
		1626	}
		1627	else
		1628	{
		1629	int_data[0] = 1;
		1630	int_data[1] = 1;
		1631	stroke_color = get_color(infile,1);
		1632	fill_color = stroke_color;
		1633	}
		1634	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	1635	/* set snap_x snap_y values in pixels */
7647	schaersvoo	1636	fprintf(js_include_file,"snap_x = %f;snap_y = %f\n;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
7614	schaersvoo	1637	/* 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_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){ */
		1638
		1639	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,[%d,%d],%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_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1640	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1641	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,[%d,%d],%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_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
		1642	add_to_buffer(tmp_buffer);
		1643	break;
		1644	}
		1645	}
		1646	reset();
		1647	break;
		1648	case OPACITY:
		1649	/*
		1650	@ opacity 0-255,0-255
		1651	@
		1652	*/
		1653	for(i = 0 ; i<2;i++){
		1654	switch(i){
		1655	case 0: double_data[0]=(int)(get_real(infile,0));break;
		1656	case 1: double_data[1]=(int)(get_real(infile,1));break;
		1657	default: break;
		1658	}
		1659	}
		1660	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 ? */
		1661	stroke_opacity = (double) (0.0039215double_data[0]);/ 0.0 - 1.0 */
		1662	fill_opacity = (double) (0.0039215double_data[1]);/ 0.0 - 1.0 */
		1663	break;
		1664	case ROTATE:
		1665	/*
		1666	@rotate rotation_angle
		1667	@
		1668	*/
		1669	use_rotate = TRUE;
		1670	use_translate = TRUE;
		1671	translate_x = x2px(0);
		1672	translate_y = y2px(0);
		1673	angle = get_real(infile,1);
		1674	break;
7785	schaersvoo	1675	case KILLAFFINE:
		1676	/*
		1677	@ killaffine
		1678	@ keyword : resets the transformation matrix to 1,0,0,1,0,0
		1679	*/
		1680	use_affine = FALSE;
7856	schaersvoo	1681	snprintf(affine_matrix,14,"[1,0,0,1,0,0]");
7785	schaersvoo	1682	break;
		1683	case AFFINE:
		1684	/*
		1685	@affine a,b,c,d,tx,ty
7856	schaersvoo	1686	@ defines a transformation matrix for subsequent objects
7785	schaersvoo	1687	@ use keyword 'killaffine' to end the transformation
		1688	@ note 1: only 'draggable' / 'noclick' objects can be transformed.
		1689	@ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
		1690	@ note 3: no matrix operations on the transformation matrix implemented (yet)
		1691	@ a : Scales the drawings horizontally
		1692	@ b : Skews the drawings horizontally
		1693	@ c : Skews the drawings vertically
		1694	@ d : Scales the drawings vertically
7786	schaersvoo	1695	@ tx: Moves the drawings horizontally in pixels !
		1696	@ ty: Moves the drawings vertically in pixels !
7785	schaersvoo	1697	*/
		1698	for(i = 0 ; i<6;i++){
		1699	switch(i){
		1700	case 0: double_data[0] = get_real(infile,0);break;
		1701	case 1: double_data[1] = get_real(infile,0);break;
		1702	case 2: double_data[2] = get_real(infile,0);break;
		1703	case 3: double_data[3] = get_real(infile,0);break;
		1704	case 4: int_data[0] = (int)(get_real(infile,0));break;
		1705	case 5: int_data[1] = (int)(get_real(infile,1));
		1706	use_affine = TRUE;
		1707	string_length = snprintf(NULL,0,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);
		1708	check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
7856	schaersvoo	1709	snprintf(affine_matrix,string_length,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);
7785	schaersvoo	1710	break;
		1711	default: break;
		1712	}
		1713	}
		1714	break;
7614	schaersvoo	1715	case KILLTRANSLATION:
		1716	/*
		1717	killtranslation
		1718	*/
		1719	break;
		1720	case TRANSLATION:
		1721	/*
		1722	@translation tx,ty
		1723	@
		1724	*/
		1725	use_translate = TRUE;
		1726	translate_x = get_real(infile,0);
		1727	translate_y = get_real(infile,1);
		1728	break;
		1729	case DASHED:
		1730	/*
		1731	@ keyword "dashed"
		1732	@ next object will be drawn with a dashed line
		1733	@ change dashing scheme by using command "dashtype int,int)
		1734	*/
		1735	use_dashed = TRUE;
		1736	break;
		1737	case FILLED:
		1738	/*
7856	schaersvoo	1739	@ keyword "filled"
		1740	@ the next 'fillable' object (only) will be filled
7614	schaersvoo	1741	@ use command "fillcolor color" to set fillcolor
		1742	@ use command "opacity 0-255,0-255" to set stroke and fill-opacity
		1743	@ 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 !
		1744	*/
		1745	use_filled = TRUE;
		1746	break;
		1747	case STYLE:
		1748	/*
		1749	@highlight color,opacity,linewidth
		1750	@ NOT IMPLEMENTED
		1751	@ use command "onclick" : when the object receives a userclick it will increase it's linewidth
		1752	*/
		1753	break;
		1754	case FILLCOLOR:
		1755	/*
		1756	@ fillcolor colorname or #hex
		1757	@ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
		1758	@ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
		1759	*/
		1760	fill_color = get_color(infile,1);
		1761	break;
		1762	case STROKECOLOR:
		1763	/*
		1764	@ strokecolor colorname or #hex
		1765	@ to be used for commands that do not supply a color argument (like command 'linegraph')
		1766	*/
		1767	stroke_color = get_color(infile,1);
		1768	break;
7856	schaersvoo	1769	case BGIMAGE:
7614	schaersvoo	1770	/*
		1771	@bgimage image_location
		1772	@use an image as background .<br />(we use the background of 'canvas_div' )
		1773	@the background image will be resized to match "width = xsize" and "height = ysize"
		1774	*/
		1775	URL = get_string(infile,1);
		1776	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);
		1777	break;
7856	schaersvoo	1778	case BGCOLOR:
7614	schaersvoo	1779	/*
		1780	@bgcolor colorname or #hex
		1781	@use this color as background of the "div" containing the canvas(es)
		1782	*/
		1783	/* [255,255,255]*/
		1784	bgcolor = get_string(infile,1);
		1785	if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
		1786	int found = 0;
		1787	for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
		1788	if( strcmp( colors[i].name , bgcolor ) == 0 ){
		1789	bgcolor = colors[i].hex;
		1790	found = 1;
		1791	break;
		1792	}
		1793	}
		1794	if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
		1795	}
		1796	fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
		1797	break;
		1798	case COPY:
		1799	/*
		1800	@ copy x,y,x1,y1,x2,y2,[filename URL]
		1801	@ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
		1802	@ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
7856	schaersvoo	1803	@ [filename] is the URL of the image
7614	schaersvoo	1804	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1805	@ 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
7856	schaersvoo	1806	@ 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	1807
		1808	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1809	draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
		1810	*/
		1811	for(i = 0 ; i<7;i++){
		1812	switch(i){
		1813	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range */
		1814	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
		1815	case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
		1816	case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
		1817	case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width */
		1818	case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
		1819	case 6: URL = get_string(infile,1);
		1820	int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
		1821	int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
		1822	if( drag_type > -1 ){
		1823	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1824	if(reply_format < 1 ){reply_format = 20;}
		1825	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);
		1826	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7856	schaersvoo	1827	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	1828	drag_type = -1;
		1829	ext_img_cnt++;
		1830	}
		1831	else
		1832	{
		1833	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1834	/*
		1835	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
		1836	*/
		1837	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]);
		1838	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1839	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]);
		1840	}
		1841	add_to_buffer(tmp_buffer);
		1842	break;
		1843	default: break;
		1844	}
		1845	}
		1846	reset();
		1847	break;
		1848	/*
		1849	context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
		1850	img Specifies the image, canvas, or video element to use
		1851	sx The x coordinate where to start clipping : x1 = int_data[0]
		1852	sy The y coordinate where to start clipping : x2 = int_data[1]
7856	schaersvoo	1853	swidth The width of the clipped image : int_data[2] - int_data[0]
7614	schaersvoo	1854	sheight The height of the clipped image : int_data[3] - int_data[1]
		1855	x The x coordinate where to place the image on the canvas : dx1 = int_data[4]
		1856	y The y coordinate where to place the image on the canvas : dy1 = int_data[5]
		1857	width The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
		1858	height The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
		1859	*/
		1860	case COPYRESIZED:
		1861	/*
		1862	@ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
7856	schaersvoo	1863	@ 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	1864	@ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
		1865	@ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
		1866	@ 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
7856	schaersvoo	1867	@ 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	1868	*/
		1869	for(i = 0 ; i<9;i++){
		1870	switch(i){
		1871	case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
		1872	case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
		1873	case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
		1874	case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
		1875	case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
		1876	case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
		1877	case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
		1878	case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
		1879	case 8: URL = get_string(infile,1);
		1880	if( drag_type > -1 ){
		1881	if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
		1882	if(reply_format < 1 ){reply_format = 20;}
		1883	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);
		1884	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1885	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);
		1886	drag_type = -1;
		1887	ext_img_cnt++;
		1888	}
		1889	else
		1890	{
		1891	if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
		1892	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]);
		1893	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1894	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]);
		1895	}
		1896	add_to_buffer(tmp_buffer);
		1897	default: break;
		1898	}
		1899	}
		1900	reset();
		1901	break;
		1902	case BUTTON:
		1903	/*
		1904	button x,y,value
		1905	*/
		1906	break;
		1907	case INPUTSTYLE:
		1908	/*
		1909	@ inputstyle style_description
		1910	@ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
		1911	*/
		1912	input_style = get_string(infile,1);
		1913	break;
		1914	case INPUT:
7856	schaersvoo	1915	/*
7614	schaersvoo	1916	@ input x,y,size,editable,value
7856	schaersvoo	1917	@ to set inputfield "readonly", use editable = 0
7614	schaersvoo	1918	@ only active inputfields (editable = 1) will be read with read_canvas();
		1919	@ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
		1920	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1921	*/
7856	schaersvoo	1922	if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}
7614	schaersvoo	1923	for(i = 0 ; i<5;i++){
		1924	switch(i){
		1925	case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
		1926	case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
		1927	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
		1928	case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
7856	schaersvoo	1929	case 4:
7614	schaersvoo	1930	temp = get_string_argument(infile,1);
		1931	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);
		1932	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1933	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);
		1934	add_to_buffer(tmp_buffer);
		1935	input_cnt++;break;
		1936	default: break;
		1937	}
		1938	}
		1939	if(reply_format < 1 ){reply_format = 15;}
		1940	reset();
		1941	break;
		1942	case TEXTAREA:
7856	schaersvoo	1943	/*
7614	schaersvoo	1944	@ textarea x,y,cols,rows,readonly,value
		1945	@ may be further controlled by "inputstyle"
		1946	@ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
		1947	*/
7856	schaersvoo	1948	if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}
7614	schaersvoo	1949	for(i = 0 ; i<6;i++){
		1950	switch(i){
		1951	case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
		1952	case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
		1953	case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
		1954	case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
		1955	case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
		1956	case 5: temp = get_string_argument(infile,1);
		1957	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);
		1958	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		1959	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);
		1960	add_to_buffer(tmp_buffer);
		1961	input_cnt++;break;
		1962	default: break;
		1963	}
		1964	}
		1965	if(reply_format < 1 ){reply_format = 15;}
		1966	reset();
		1967	break;
		1968	case MOUSE_PRECISION:
		1969	/*
		1970	@ precision int
		1971	@ 10 = 1 decimal ; 100 = 2 decimals etc
		1972	@ may be used / changed before every object
		1973	*/
		1974	precision = (int) (get_real(infile,1));
		1975	break;
7838	schaersvoo	1976	case SETLIMITS:
		1977	/*
7856	schaersvoo	1978	@setlimits
7838	schaersvoo	1979	@keyword : if set, it will produce 4 inputfields for 'xmin,xmax,ymin,ymax' and an 'ok' button
		1980	@may be used for inputfield based zooming / panning
7856	schaersvoo	1981	@note:the input value will not be checked on validity
7838	schaersvoo	1982	*/
		1983	add_setlimits(js_include_file,canvas_root_id);
		1984	/* add_setlimits provides 'fprintf(js_include_file,"use_pan_and_zoom = 1;");' */
		1985	use_pan_and_zoom = TRUE;
		1986	done = TRUE;
		1987	break;
7614	schaersvoo	1988	case ZOOM:
		1989	/*
		1990	@ zoom button_color
		1991	@ introduce a controlpanel at the lower right corner
		1992	@ 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
		1993	@ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
		1994	@ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
7856	schaersvoo	1995	@ command 'opacity' may be used to set stroke_opacity of 'buttons
7614	schaersvoo	1996	@ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
		1997	@ 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 !!
		1998	*/
7653	schaersvoo	1999	fprintf(js_include_file,"use_pan_and_zoom = 1;");
7797	schaersvoo	2000	use_pan_and_zoom = TRUE;
7614	schaersvoo	2001	if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
		2002	/* we use BG_CANVAS (0) */
		2003	stroke_color = get_color(infile,1);
7653	schaersvoo	2004	string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2005	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653	schaersvoo	2006	snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614	schaersvoo	2007	add_to_buffer(tmp_buffer);
		2008	done = TRUE;
		2009	break;
		2010	case ONCLICK:
		2011	/*
		2012	@ onclick
		2013	@ keyword, no arguments
		2014	@ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
7856	schaersvoo	2015	@ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
7614	schaersvoo	2016	@ NOTE: not all objects may be set clickable
		2017	*/
7856	schaersvoo	2018
7614	schaersvoo	2019	onclick = 1;
		2020	break;
		2021	case DRAG:
		2022	/*
		2023	@ drag [x][y][xy]
		2024	@ the next object will be draggable in x / y / xy direction
		2025	@ the displacement can be read by 'javascript:read_dragdrop();'
7856	schaersvoo	2026	@ 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	2027	@ 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 !!
		2028	*/
		2029	temp = get_string(infile,1);
7856	schaersvoo	2030	if(strstr(temp,"xy") != NULL ){
7614	schaersvoo	2031	drag_type = 0;
		2032	}
		2033	else
		2034	{
7856	schaersvoo	2035	if(strstr(temp,"x") != NULL ){
7614	schaersvoo	2036	drag_type = 1;
		2037	}
		2038	else
		2039	{
		2040	drag_type = 2;
		2041	}
		2042	}
		2043	onclick = 2;
		2044	/* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
		2045	break;
		2046	case BLINK:
		2047	/*
		2048	@ blink time(seconds)
		2049	@ NOT IMPLEMETED -YET
		2050	*/
		2051	break;
		2052	case MOUSE:
		2053	/*
		2054	@ mouse color,fontsize
		2055	@ will display the cursor coordinates in 'color' and 'font size'<br /> using default fontfamily Ariel
		2056	*/
		2057	stroke_color = get_color(infile,0);
		2058	font_size = (int) (get_real(infile,1));
7839	schaersvoo	2059	tmp_buffer = my_newmem(26);
		2060	snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
7614	schaersvoo	2061	add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
		2062	break;
		2063	case INTOOLTIP:
		2064	/*
		2065	@ intooltip link_text
		2066	@ link_text is a single line (span-element)
		2067	@ link_text may also be an image URL http://some_server/images/my_image.png
		2068	@ link_text may contain HTML markup
		2069	@ the canvas will be displayed in a tooltip on 'link_text'
		2070	@ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
		2071	*/
7823	schaersvoo	2072	if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
7614	schaersvoo	2073	use_tooltip = TRUE;
		2074	tooltip_text = get_string(infile,1);
		2075	if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
		2076	break;
		2077	case AUDIO:
		2078	/*
		2079	@ audio x,y,w,h,loop,visible,audiofile location
		2080	@ x,y : left top corner of audio element (in xrange / yrange)
		2081	@ w,y : width and height in pixels
		2082	@ loop : 0 or 1 ( 1 = loop audio fragment)
		2083	@ visible : 0 or 1 (1 = show controls)
		2084	@ audio format may be in .mp3 or .ogg
		2085	@ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
		2086	@ if you are using *.ogg : be aware that Microsoft based systems not support it natively
		2087	@ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
		2088	@ 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 />
		2089	*/
		2090	if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
		2091	for(i=0;i<7;i++){
		2092	switch(i){
		2093	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2094	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2095	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2096	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2097	case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
		2098	case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
7856	schaersvoo	2099	case 6:
7614	schaersvoo	2100	temp = get_string(infile,1);
		2101	if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
		2102	if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
		2103	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);
		2104	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2105	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);
		2106	add_to_buffer(tmp_buffer);
		2107	break;
		2108	default:break;
		2109	}
		2110	}
		2111	reset();
		2112	break;
		2113	case VIDEO:
		2114	/*
		2115	@ video x,y,w,h,videofile location
		2116	@ x,y : left top corner of audio element (in xrange / yrange)
		2117	@ w,y : width and height in pixels
		2118	@ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
		2119	@ video format may be in *.mp4 (todo:other formats)
		2120	*/
		2121	if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
		2122	for(i=0;i<5;i++){
		2123	switch(i){
		2124	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
		2125	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system -> pixel */
		2126	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
		2127	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
		2128	case 4: temp = get_string(infile,1);
		2129	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);
		2130	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2131	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);
		2132	add_to_buffer(tmp_buffer);
		2133	break;
		2134	default:break;
		2135	}
		2136	}
		2137	reset();
		2138	break;
		2139	case HATCHFILL:
		2140	/*
		2141	@ hatchfill x0,y0,dx,dy,color
		2142	@ x0,y0 in xrange / yrange
		2143	@ distances dx,dy in pixels
		2144	*/
		2145	if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
		2146	for(i=0;i<5;i++){
		2147	switch(i){
		2148	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2149	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2150	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2151	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2152	case 4: stroke_color = get_color(infile,1);
		2153	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2154	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);
		2155	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2156	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);
		2157	add_to_buffer(tmp_buffer);
		2158	break;
		2159	default:break;
		2160	}
		2161	}
		2162	reset();
		2163	break;
7647	schaersvoo	2164	case DIAMONDFILL:
		2165	/*
		2166	@ diamondfill x0,y0,dx,dy,color
		2167	@ x0,y0 in xrange / yrange
		2168	@ distances dx,dy in pixels
		2169	*/
		2170	if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
		2171	for(i=0;i<5;i++){
		2172	switch(i){
		2173	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2174	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2175	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2176	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2177	case 4: stroke_color = get_color(infile,1);
		2178	/* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2179	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);
		2180	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2181	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);
		2182	add_to_buffer(tmp_buffer);
		2183	break;
		2184	default:break;
		2185	}
		2186	}
		2187	reset();
		2188	break;
7614	schaersvoo	2189	case GRIDFILL:
		2190	/*
		2191	@ gridfill x0,y0,dx,dy,color
		2192	@ x0,y0 in xrange / yrange
		2193	@ distances dx,dy in pixels
		2194	*/
		2195	if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
		2196	for(i=0;i<5;i++){
		2197	switch(i){
		2198	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2199	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2200	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2201	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2202	case 4: stroke_color = get_color(infile,1);
		2203	/* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
		2204	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);
		2205	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2206	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);
		2207	add_to_buffer(tmp_buffer);
		2208	break;
		2209	default:break;
		2210	}
		2211	}
		2212	reset();
		2213	break;
		2214	case DOTFILL:
		2215	/*
		2216	@ dotfill x0,y0,dx,dy,color
		2217	@ x0,y0 in xrange / yrange
		2218	@ distances dx,dy in pixels
		2219	@ radius of dots is linewidth
		2220	*/
		2221	if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
		2222	for(i=0;i<5;i++){
		2223	switch(i){
		2224	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2225	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2226	case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
		2227	case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
		2228	case 4: stroke_color = get_color(infile,1);
		2229	/* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
		2230	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);
		2231	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2232	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);
		2233	add_to_buffer(tmp_buffer);
		2234	break;
		2235	default:break;
		2236	}
		2237	}
		2238	reset();
		2239	break;
		2240	case IMAGEFILL:
		2241	/*
		2242	@ imagefill dx,dy,image_url
		2243	@ The next suitable <b>filled object</b> will be filled with "image_url" tiled
		2244	@ After pattern filling ,the fill-color should be reset !
		2245	@ wims getins / image from class directory : imagefill 80,80,my_image.gif
		2246	@ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
		2247	@ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
		2248	@ if dx,dy is larger than the image, the whole image will be background to the next object.
		2249	*/
		2250	if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
		2251	for(i=0 ;i < 3 ; i++){
		2252	switch(i){
		2253	case 0:int_data[0] = (int) (get_real(infile,0));break;
		2254	case 1:int_data[1] = (int) (get_real(infile,0));break;
		2255	case 2: URL = get_string_argument(infile,1);
		2256	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);
		2257	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2258	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);
		2259	add_to_buffer(tmp_buffer);
		2260	break;
		2261	}
		2262	}
		2263	break;
		2264	case FILLTOBORDER:
		2265	/*
		2266	@ filltoborder x,y,bordercolor,color
7856	schaersvoo	2267	@ fill the region of point (x:y) bounded by 'bordercolor' with color 'color'
7614	schaersvoo	2268	@ any other color will not act as border to the bucket fill
		2269	@ use this command after all boundary objects are declared.
		2270	@ 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..
		2271	*/
		2272	for(i=0 ;i < 4 ; i++){
		2273	switch(i){
		2274	case 0:double_data[0] = get_real(infile,0);break;
		2275	case 1:double_data[1] = get_real(infile,0);break;
		2276	case 2:bgcolor = get_color(infile,0);break;
		2277	case 3:fill_color = get_color(infile,1);
		2278	if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
		2279	js_function[DRAW_FILLTOBORDER] = 1;
		2280	add_js_filltoborder(js_include_file,canvas_root_id);
		2281	}
		2282	decimals = find_number_of_digits(precision);
		2283	string_length = snprintf(NULL,0, "filltoborder(%.f,%.f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
		2284	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2285	snprintf(tmp_buffer,string_length,"filltoborder(%.f,%.f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
		2286	add_to_buffer(tmp_buffer);
		2287	break;
		2288	default:break;
		2289	}
		2290	}
		2291	break;
		2292	case FLOODFILL:
		2293	/*
		2294	@ floodfill x,y,color
		2295	@ alternative syntax: fill x,y,color
		2296	@ fill the region of point (x:y) with color 'color'
		2297	@ any other color or size of picture (borders of picture) will act as border to the bucket fill
		2298	@ use this command after all boundary objects are declared.
		2299	@ Use command 'clickfill,color' for user click driven flood fill.
		2300	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2301	@ 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..
		2302	*/
		2303	for(i=0 ;i < 4 ; i++){
		2304	switch(i){
		2305	case 0:double_data[0] = get_real(infile,0);break;
		2306	case 1:double_data[1] = get_real(infile,0);break;
		2307	case 2:fill_color = get_color(infile,1);
		2308	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2309	js_function[DRAW_FLOODFILL] = 1;
		2310	add_js_floodfill(js_include_file,canvas_root_id);
		2311	}
		2312	decimals = find_number_of_digits(precision);/floodfill(interaction,x,y,[R,G,B,A]) /
		2313	string_length = snprintf(NULL,0, "floodfill(0,%.f,%.f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
		2314	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2315	snprintf(tmp_buffer,string_length,"floodfill(0,%.f,%.f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
		2316	add_to_buffer(tmp_buffer);
		2317	break;
		2318	default:break;
		2319	}
		2320	}
		2321	break;
		2322	case CLICKFILLMARGE:
		2323	clickfillmarge = (int) (get_real(infile,1));
		2324	break;
		2325	/*
		2326	@ clickfillmarge int
		2327	@ default 20 (pixels)
		2328	@ 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[])
		2329	*/
		2330	case CLICKFILL:
		2331	/*
		2332	@ clickfill fillcolor
		2333	@ user left mouse click will floodfill the area with fillcolor
		2334	@ multiple areas may be coloured
		2335	@ 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)
		2336	@ the answer will be read as the (x:y) click coordinates per coloured area
		2337	@ background color of main div may be set by using command "bgcolor color"
		2338	@ may not be combined with command "userdraw"
		2339	@ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
		2340	*/
		2341	fill_color = get_color(infile,1);
		2342	if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
		2343	js_function[DRAW_FLOODFILL] = 1;
		2344	add_js_floodfill(js_include_file,canvas_root_id);
		2345	}
7653	schaersvoo	2346	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);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));
7614	schaersvoo	2347	add_read_canvas(1);
		2348	break;
		2349	case SETPIXEL:
		2350	/*
		2351	@ setpixel x,y,color
		2352	@ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
		2353	@ pixels can not be dragged or clicked
		2354	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2355	*/
		2356	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2357	for(i=0;i<3;i++){
		2358	switch(i){
		2359	case 0: double_data[0] = get_real(infile,0); break; /* x */
		2360	case 1: double_data[1] = get_real(infile,0); break; /* y */
		2361	case 2: stroke_color = get_color(infile,1);
		2362	string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2363	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2364	snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
		2365	add_to_buffer(tmp_buffer);
		2366	break;
		2367	default:break;
		2368	}
		2369	}
		2370	reset();
		2371	break;
		2372	case PIXELSIZE:
		2373	/*
		2374	@ pixelsize int
		2375	@ in case you want to deviate from default pixelsize = 1...
		2376	*/
		2377	pixelsize = (int) get_real(infile,1);
		2378	break;
		2379	case PIXELS:
		2380	/*
		2381	@ pixels color,x1,y1,x2,y2,x3,y3...
		2382	@ Draw "points" with diameter 1 pixel
		2383	@ pixels can not be dragged or clicked
		2384	@ "pixelsize = 1" may be changed by command "pixelsize int"
		2385	*/
		2386	if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
		2387	stroke_color=get_color(infile,0);
		2388	i=0;
		2389	c=0;
		2390	while( ! done ){ /* get next item until EOL*/
		2391	if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
		2392	for( c = 0 ; c < 2; c++){
		2393	if(c == 0 ){
		2394	double_data[i] = get_real(infile,0);
		2395	i++;
		2396	}
		2397	else
		2398	{
		2399	double_data[i] = get_real(infile,1);
		2400	i++;
		2401	}
		2402	}
		2403	}
		2404	decimals = find_number_of_digits(precision);
		2405	/* double_xy2js_array(double xy[],int len,int decimals) /
		2406	string_length = snprintf(NULL,0, "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2407	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2408	snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
		2409	add_to_buffer(tmp_buffer);
		2410	break;
		2411	case REPLYFORMAT:
		2412	/*
		2413	@ replyformat number
		2414	@ default values should be fine !
7782	schaersvoo	2415	@ 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></ul>
7614	schaersvoo	2416	@ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
		2417	*/
		2418	reply_format = (int) get_real(infile,1);
		2419	break;
		2420	case LEGENDCOLORS:
		2421	/*
		2422	@ legendcolors color1:color2:color3:...:color_n
		2423	@ will be used to colour a legend
		2424	@ make sure the number of colours match the number of legend items
7856	schaersvoo	2425	@ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
7614	schaersvoo	2426	*/
		2427	temp = get_string(infile,1);
		2428	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2429	fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2430	break;
		2431	case LEGEND:
		2432	/*
		2433	@ legend string1:string2:string3....string_n
		2434	@ will be used to create a legend for a graph
7856	schaersvoo	2435	@ also see command 'piechart'
7614	schaersvoo	2436	*/
		2437	temp = get_string(infile,1);
		2438	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2439	fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2440	break;
		2441	case XLABEL:
		2442	/*
		2443	@ xlabel some_string
		2444	@ will be used to create a label for the x-axis (label is in quadrant I)
		2445	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7856	schaersvoo	2446	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2447	*/
		2448	temp = get_string(infile,1);
7653	schaersvoo	2449	fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614	schaersvoo	2450	break;
		2451	case YLABEL:
		2452	/*
		2453	@ ylabel some_string
7856	schaersvoo	2454	@ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
7614	schaersvoo	2455	@ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
7856	schaersvoo	2456	@ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
7614	schaersvoo	2457	*/
		2458	temp = get_string(infile,1);
7653	schaersvoo	2459	fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614	schaersvoo	2460	break;
		2461	case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
		2462	/*
		2463	@ linegraph x1:y1;x2:y2...x_n:y;2
		2464	@ will plot your data in a graph
		2465	@ may only to be used together with command 'grid'
		2466	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2467	@ use command 'legend' to provide an optional legend in right-top-corner
		2468	@ also see command 'piechart'
		2469	@ multiple linegraphs may be used in a single plot
		2470	@ <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>
7856	schaersvoo	2471	*/
7614	schaersvoo	2472	temp = get_string(infile,1);
		2473	if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2474	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	2475	linegraph_cnt++;
		2476	reset();
		2477	break;
		2478	case CLOCK:
		2479	/*
		2480	@ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
		2481	@ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
		2482	@ 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
		2483	@ 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>
		2484	@ canvasdraw will not check validity of colornames...the javascript console is your best friend
		2485	@ no combinations with other reply_types allowed, for now
7783	schaersvoo	2486	@ 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	2487	*/
		2488	if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
		2489
		2490	/* var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
		2491	for(i=0;i<9;i++){
		2492	switch(i){
		2493	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
		2494	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
		2495	case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
		2496	case 3: int_data[3] = get_real(infile,0);break;/* hours */
		2497	case 4: int_data[4] = get_real(infile,0);break;/* minutes */
		2498	case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783	schaersvoo	2499	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	2500	case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783	schaersvoo	2501	switch(int_data[7]){
		2502	case 0:break;
		2503	case 1:if(clock_cnt == 0){
		2504	if( reply_format == 0 ){
7614	schaersvoo	2505	reply_format = 18; /* user sets clock */
7783	schaersvoo	2506	/* 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	2507	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2508	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");
		2509	add_to_buffer(tmp_buffer);
7783	schaersvoo	2510	*/
		2511	fprintf(js_include_file,"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");
		2512	}
		2513	else
		2514	{
		2515	canvas_error("interactive clock may not be used together with other reply_types...");
		2516	}
		2517	fprintf(stdout,"<br /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S-\" /><br />",clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt);
		2518	}
		2519	break;
		2520	case 2:if( reply_format == 0 ){
		2521	reply_format = 19; /* "onclick */
		2522	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 ");
		2523	}
		2524	else
		2525	{
		2526	if( reply_format != 19){
7614	schaersvoo	2527	canvas_error("clickable clock(s) may not be used together with other reply_types...");
		2528	}
7783	schaersvoo	2529	}
		2530	break;
		2531	default: canvas_error("interactive must be set 0,1 or 2");break;
		2532	}
		2533	break;
7856	schaersvoo	2534	case 8:
7614	schaersvoo	2535	temp = get_string(infile,1);
		2536	if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
		2537	if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
		2538	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);
		2539	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2540	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);
		2541	add_to_buffer(tmp_buffer);
		2542	clock_cnt++;
		2543	break;
		2544	default:break;
		2545	}
		2546	}
		2547	break;
		2548	case BARCHART:
		2549	/*
		2550	@ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
		2551	@ will be used to create a legend for bar graph
		2552	@ may only to be used together with command 'grid'
		2553	@ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
		2554	@ use command 'legend' to provide an optional legend in right-top-corner
7856	schaersvoo	2555	@ also see command 'piechart'
7614	schaersvoo	2556	*/
		2557	temp = get_string(infile,1);
		2558	if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653	schaersvoo	2559	fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614	schaersvoo	2560	reset();
		2561	break;
		2562	case PIECHART:
		2563	/*
		2564	@ piechart xc,yc,radius,'data+colorlist'
		2565	@ (xc : yc) center of circle diagram in xrange/yrange
		2566	@ radius in pixels
		2567	@ 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
		2568	@ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
		2569	@ the number of colors must match the number of data.
		2570	@ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
		2571	@ 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...
		2572	*/
7856	schaersvoo	2573	if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}
7614	schaersvoo	2574	for(i=0;i<5;i++){
		2575	switch(i){
		2576	case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
		2577	case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y */
		2578	case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
		2579	case 3: temp = get_string(infile,1);
		2580	if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
		2581	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,font_size,font_family);
		2582	check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
		2583	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,font_size,font_family);
		2584	add_to_buffer(tmp_buffer);
		2585	break;
		2586	default:break;
		2587	}
		2588	}
		2589	reset();
		2590	break;
		2591	case STATUS:
		2592	fprintf(js_include_file,"\nstatus=\"waiting\";\n");
		2593	break;
7735	schaersvoo	2594	case XLOGBASE:
7729	schaersvoo	2595	/*
7735	schaersvoo	2596	@ xlogbase number
		2597	@ sets the logbase number for the x-axis
7729	schaersvoo	2598	@ default value 10
7735	schaersvoo	2599	@ use together with commands xlogscale / xylogscale
7729	schaersvoo	2600	*/
7735	schaersvoo	2601	fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729	schaersvoo	2602	break;
7735	schaersvoo	2603	case YLOGBASE:
		2604	/*
		2605	@ ylogbase number
		2606	@ sets the logbase number for the y-axis
		2607	@ default value 10
		2608	@ use together with commands ylogscale / xylogscale
		2609	*/
		2610	fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
		2611	break;
7614	schaersvoo	2612	case XLOGSCALE:
		2613	/*
7735	schaersvoo	2614	@ xlogscale ymajor,yminor,majorcolor,minorcolor
		2615	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2616	@ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
		2617	@ the linewidth is set using command 'linewidth int'
		2618	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2619	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7856	schaersvoo	2620	@ 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	2621	@ note: the complete canvas will be used for the 'log paper'
		2622	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2623	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2624	@ 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	2625	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2626	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7614	schaersvoo	2627	*/
7735	schaersvoo	2628	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2629	if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
		2630	for(i=0;i<4;i++){
		2631	switch(i){
		2632	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2633	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2634	case 2: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2635	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2636	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	2637	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2638	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	2639	fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
		2640	add_to_buffer(tmp_buffer);
		2641	break;
		2642	default:break;
		2643	}
		2644	}
7614	schaersvoo	2645	break;
		2646	case YLOGSCALE:
7729	schaersvoo	2647	/*
		2648	@ ylogscale xmajor,xminor,majorcolor,minorcolor
		2649	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2650	@ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
		2651	@ the linewidth is set using command 'linewidth int'
		2652	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735	schaersvoo	2653	@ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7856	schaersvoo	2654	@ 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	2655	@ note: the complete canvas will be used for the 'log paper'
		2656	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2657	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2658	@ 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	2659	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2660	@ attention: keyword 'snaptogrid' may not lead to the desired result...
7729	schaersvoo	2661	*/
		2662	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2663	if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
		2664	for(i=0;i<4;i++){
		2665	switch(i){
		2666	case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
		2667	case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
		2668	case 2: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2669	case 3: fill_color = get_color(infile,1);
7779	schaersvoo	2670	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	2671	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2672	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	2673	fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729	schaersvoo	2674	add_to_buffer(tmp_buffer);
		2675	break;
		2676	default:break;
		2677	}
		2678	}
7614	schaersvoo	2679	break;
		2680	case XYLOGSCALE:
7735	schaersvoo	2681	/*
		2682	@ xylogscale majorcolor,minorcolor
		2683	@ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
		2684	@ the linewidth is set using command 'linewidth int'
		2685	@ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
		2686	@ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7856	schaersvoo	2687	@ 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	2688	@ note: the complete canvas will be used for the 'log paper'
		2689	@ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
		2690	@ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
7856	schaersvoo	2691	@ 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	2692	@ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
		2693	@ attention: keyword 'snaptogrid' may not lead to the desired result...
		2694	*/
		2695	if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
		2696	if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
		2697	for(i=0;i<2;i++){
		2698	switch(i){
		2699	case 0: stroke_color = get_color(infile,0); break;
7856	schaersvoo	2700	case 1: fill_color = get_color(infile,1);
7779	schaersvoo	2701	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	2702	tmp_buffer = my_newmem(string_length+1);
7779	schaersvoo	2703	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	2704	fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
		2705	add_to_buffer(tmp_buffer);
		2706	break;
		2707	default:break;
		2708	}
		2709	}
		2710	break;
7614	schaersvoo	2711	default:sync_input(infile);
		2712	break;
		2713	}
7856	schaersvoo	2714	}
7614	schaersvoo	2715	/* we are done parsing script file */
7856	schaersvoo	2716
7614	schaersvoo	2717	/* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects ! */
		2718	add_javascript_functions(js_function,canvas_root_id);
		2719	/* add read_canvas() etc functions if needed */
		2720	if( reply_format > 0 ){ add_read_canvas(reply_format);}
7797	schaersvoo	2721	if( use_pan_and_zoom == TRUE ){
		2722	/* in case of zooming ... */
7729	schaersvoo	2723	fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
7797	schaersvoo	2724	precision = %d;var xmin_start=xmin;var xmax_start=xmax;\
7729	schaersvoo	2725	var ymin_start=ymin;var ymax_start=xmax;\
		2726	var zoom_x_increment=0;var zoom_y_increment=0;\
		2727	var pan_x_increment=0;var pan_y_increment=0;\
		2728	if(use_ylogscale == 0 ){\
		2729	zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
		2730	}else{\
		2731	zoom_x_increment = (xmax - xmin)/20;\
		2732	pan_x_increment = (xmax - xmin)/20;\
		2733	};\
7653	schaersvoo	2734	function start_canvas%d(type){\
		2735	switch(type){\
7729	schaersvoo	2736	case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
		2737	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	2738	case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
		2739	case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
		2740	case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
		2741	case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
		2742	case 6:location.reload();break;\
		2743	default:break;\
		2744	};\
		2745	if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
		2746	if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
		2747	try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
		2748	%s\
		2749	};\
7797	schaersvoo	2750	start_canvas%d(333);\
7614	schaersvoo	2751	};\n\
		2752	<!-- end wims_canvas_function -->\n\
7797	schaersvoo	2753	wims_canvas_function%d();\n",precision,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
		2754	}
		2755	else
		2756	{
		2757	/* no zoom, just add buffer */
		2758	fprintf(js_include_file,"\n<!-- add buffer -->\n\
		2759	%s\
		2760	};\n\
		2761	<!-- end wims_canvas_function -->\n\
		2762	wims_canvas_function%d();\n",buffer,canvas_root_id);
		2763	}
7614	schaersvoo	2764	/* done writing the javascript include file */
		2765	fclose(js_include_file);
		2766
		2767	}
		2768
		2769	/* if using a tooltip, this should always be printed to the .phtml file, so stdout /
		2770	if(use_tooltip == TRUE){
		2771	add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
		2772	}
		2773	exit(EXIT_SUCCESS);
		2774	}
		2775	/* end main() */
		2776
		2777	/******************************************************************************
		2778	**
		2779	** sync_input
		2780	**
		2781	** synchronises input line - reads to end of line, leaving file pointer
		2782	** at first character of next line.
		2783	**
		2784	** Used by:
		2785	** main program - error handling.
		2786	**
		2787	******************************************************************************/
		2788	void sync_input(FILE *infile)
		2789	{
		2790	int c = 0;
		2791
7658	schaersvoo	2792	if( c == '\n' \|\| c == ';' ) return;
		2793	while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614	schaersvoo	2794	if( c == EOF ) finished = 1;
7658	schaersvoo	2795	if( c == '\n' \|\| c == '\r' \|\| c == ';') line_number++;
7614	schaersvoo	2796	return;
		2797	}
		2798
		2799	/******************************************************************************/
		2800
		2801	char str_replace(const char str, const char old, const char new){
		2802	/* http://creativeandcritical.net/str-replace-c/ */
		2803	if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
		2804	char ret, r;
		2805	const char p, q;
		2806	size_t oldlen = strlen(old);
		2807	size_t count = 0;
		2808	size_t retlen = 0;
		2809	size_t newlen = strlen(new);
		2810	if (oldlen != newlen){
		2811	for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
		2812	count++;
		2813	retlen = p - str + strlen(p) + count * (newlen - oldlen);
		2814	}
7856	schaersvoo	2815	}
7614	schaersvoo	2816	else
		2817	{
		2818	retlen = strlen(str);
		2819	}
7856	schaersvoo	2820
7614	schaersvoo	2821	if ((ret = malloc(retlen + 1)) == NULL){
		2822	ret = NULL;
		2823	canvas_error("string argument is NULL");
		2824	}
		2825	else
		2826	{
		2827	for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
		2828	size_t l = q - p;
		2829	memcpy(r, p, l);
		2830	r += l;
		2831	memcpy(r, new, newlen);
		2832	r += newlen;
		2833	}
		2834	strcpy(r, p);
		2835	}
		2836	return ret;
		2837	}
		2838
		2839	/******************************************************************************/
7848	bpr	2840
7614	schaersvoo	2841	char get_color(FILE infile , int last){
		2842	int c,i = 0,is_hex = 0;
		2843	char temp[MAX_COLOR_STRING], *string;
7748	schaersvoo	2844	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614	schaersvoo	2845	if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
		2846	if( c == '#' ){
		2847	is_hex = 1;
		2848	}
		2849	if( c != ' '){
		2850	temp[i]=tolower(c);
		2851	i++;
		2852	}
		2853	}
7856	schaersvoo	2854	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2855	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2856	if( c == EOF ){finished = 1;}
		2857	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2858	temp[i]='\0';
		2859	if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
		2860	if( is_hex == 1 ){
		2861	char red[3], green[3], blue[3];
		2862	red[0] = toupper(temp[1]); red[1] = toupper(temp[2]); red[2] = '\0';
		2863	green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
		2864	blue[0] = toupper(temp[5]); blue[1] = toupper(temp[6]); blue[2] = '\0';
		2865	int r = (int) strtol(red, NULL, 16);
		2866	int g = (int) strtol(green, NULL, 16);
		2867	int b = (int) strtol(blue, NULL, 16);
		2868	string = (char *)my_newmem(12);
		2869	snprintf(string,11,"%d,%d,%d",r,g,b);
		2870	return string;
		2871	}
		2872	else
		2873	{
		2874	string = (char *)my_newmem(sizeof(temp));
		2875	snprintf(string,sizeof(temp),"%s",temp);
		2876	for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
		2877	if( strcmp( colors[i].name , string ) == 0 ){
		2878	return colors[i].rgb;
		2879	}
		2880	}
		2881	}
		2882	/* not found...return error */
		2883	free(string);string = NULL;
		2884	canvas_error("I was expecting a color name or hexnumber...but found nothing.");
		2885	return NULL;
		2886	}
		2887
		2888	char get_string(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2889	int c,i=0;
		2890	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2891	while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614	schaersvoo	2892	temp[i]=c;
		2893	i++;
		2894	if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
		2895	}
7856	schaersvoo	2896	if( ( c == '\n' \|\| c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2897	if( c == '\n') { done = TRUE; line_number++; }
7614	schaersvoo	2898	if( c == EOF ) {
		2899	finished = 1;
		2900	if( last != 1 ){ canvas_error("expected more arguments");}
		2901	}
		2902	temp[i]='\0';
		2903	if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
		2904	string=(char *)my_newmem(strlen(temp));
		2905	snprintf(string,sizeof(temp),"%s",temp);
		2906	return string;
		2907	}
		2908
		2909	char get_string_argument(FILE infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
		2910	int c,i=0;
		2911	char temp[MAX_BUFFER], *string;
7748	schaersvoo	2912	while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614	schaersvoo	2913	temp[i]=c;
		2914	i++;
		2915	if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
		2916	}
7856	schaersvoo	2917	if( ( c == '\n' \|\| c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
7748	schaersvoo	2918	if( c == '\n') { line_number++; }
7614	schaersvoo	2919	if( c == EOF ) {finished = 1;}
		2920	if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
		2921	temp[i]='\0';
		2922	if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
		2923	string=(char *)my_newmem(sizeof(temp));
		2924	snprintf(string,sizeof(temp),"%s",temp);
		2925	done = TRUE;
		2926	return string;
		2927	}
		2928
		2929	double get_real(FILE infile, int last){ / accept anything that looks like an number ? last = 0 : more arguments ; last=1 final argument */
		2930	int c,i=0,found_calc = 0;
		2931	double y;
		2932	char tmp[MAX_INT];
7658	schaersvoo	2933	while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614	schaersvoo	2934	if( c != ' ' ){
7856	schaersvoo	2935	/*
		2936	libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
7614	schaersvoo	2937	We will check after assert() if it's a NULL pointer...and exit program via :
		2938	canvas_error("I'm having trouble parsing your \"expression\" ");
		2939	*/
7856	schaersvoo	2940	if( i == 0 && c == '+' ){
7614	schaersvoo	2941	continue;
7856	schaersvoo	2942	}
7614	schaersvoo	2943	else
		2944	{
		2945	if(canvas_iscalculation(c) != 0){
		2946	found_calc = 1;
		2947	c = tolower(c);
		2948	}
		2949	tmp[i] = c;
		2950	i++;
		2951	}
		2952	}
		2953	if( i > MAX_INT - 1){canvas_error("number too large");}
		2954	}
7856	schaersvoo	2955	if( ( c == '\n' \|\| c == EOF \|\| c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7658	schaersvoo	2956	if( c == '\n' \|\| c == ';' ){ done = TRUE; line_number++; }
7614	schaersvoo	2957	if( c == EOF ){done = TRUE ; finished = 1;}
		2958	tmp[i]='\0';
		2959	if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
		2960	if( found_calc == 1 ){ /* use libmatheval to calculate 2pi/3 /
7848	bpr	2961	void *f = eval_create(tmp);
7614	schaersvoo	2962	assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
7848	bpr	2963	y = eval_x(f, 1);
7614	schaersvoo	2964	/* if function is bogus; y = 1 : so no core dumps */
7848	bpr	2965	eval_destroy(f);
7614	schaersvoo	2966	}
		2967	else
		2968	{
		2969	y = atof(tmp);
		2970	}
		2971	return y;
		2972	}
		2973	void canvas_error(char *msg){
7748	schaersvoo	2974	fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614	schaersvoo	2975	finished = 1;
		2976	exit(EXIT_SUCCESS);
		2977	}
		2978
		2979
		2980	/* convert x/y coordinates to pixel */
		2981	int x2px(double x){
		2982	return xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin);
		2983	}
		2984
		2985	int y2px(double y){
		2986	return -1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
		2987	}
		2988
		2989	double px2x(int x){
		2990	return (x*(xmax - xmin)/xsize + xmin);
		2991	}
		2992	double px2y(int y){
		2993	return (y*(ymax - ymin)/ysize + ymin);
		2994	}
		2995
		2996	void add_to_buffer(char *tmp){
		2997	if( tmp == NULL \|\| tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
		2998	/* do we have enough space left in buffer[MAX_BUFFER] ? */
		2999	int space_left = (int) (sizeof(buffer) - strlen(buffer));
		3000	if( space_left > strlen(tmp)){
		3001	strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
		3002	}
		3003	else
		3004	{
		3005	canvas_error("buffer is too big\n");
		3006	}
		3007	tmp = NULL;free(tmp);
		3008	return;
		3009	}
		3010
		3011	void reset(){
		3012	if(use_filled == TRUE){use_filled = FALSE;}
		3013	if(use_dashed == TRUE){use_dashed = FALSE;}
		3014	if(use_translate == TRUE){use_translate = FALSE;}
		3015	if(use_rotate == TRUE){use_rotate = FALSE;}
		3016	onclick = 0;
		3017	}
		3018
		3019
		3020
		3021	/* What reply format in read_canvas();
		3022
		3023	note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and inputfield.value()
		3024	1 = x1,x2,x3,x4....x_n
		3025	y1,y2,y3,y4....y_n
		3026
		3027	x/y in pixels
		3028
		3029	2 = x1,x2,x3,x4....x_n
		3030	y1,y2,y3,y4....y_n
		3031	x/y in xrange / yrange coordinate system
		3032
		3033	3 = x1,x2,x3,x4....x_n
		3034	y1,y2,y3,y4....y_n
		3035	r1,r2,r3,r4....r_n
		3036
7856	schaersvoo	3037	x/y in pixels
7614	schaersvoo	3038	r in pixels
		3039
		3040	4 = x1,x2,x3,x4....x_n
		3041	y1,y2,y3,y4....y_n
		3042	r1,r2,r3,r4....r_n
		3043
		3044	x/y in xrange / yrange coordinate system
		3045	r in pixels
		3046
		3047	5 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3048	Ay1,Ay2,Ay3,Ay4....Ay_n
		3049	Bx1,Bx2,Bx3,Bx4....Bx_n
		3050	By1,By2,By3,By4....By_n
		3051	Cx1,Cx2,Cx3,Cx4....Cx_n
		3052	Cy1,Cy2,Cy3,Cy4....Cy_n
		3053	....
		3054	Zx1,Zx2,Zx3,Zx4....Zx_n
		3055	Zy1,Zy2,Zy3,Zy4....Zy_n
7856	schaersvoo	3056
7614	schaersvoo	3057	x/y in pixels
		3058
		3059	6 = Ax1,Ax2,Ax3,Ax4....Ax_n
		3060	Ay1,Ay2,Ay3,Ay4....Ay_n
		3061	Bx1,Bx2,Bx3,Bx4....Bx_n
		3062	By1,By2,By3,By4....By_n
		3063	Cx1,Cx2,Cx3,Cx4....Cx_n
		3064	Cy1,Cy2,Cy3,Cy4....Cy_n
		3065	....
		3066	Zx1,Zx2,Zx3,Zx4....Zx_n
		3067	Zy1,Zy2,Zy3,Zy4....Zy_n
		3068
		3069	x/y in xrange / yrange coordinate system
7856	schaersvoo	3070
7614	schaersvoo	3071	7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7856	schaersvoo	3072
7614	schaersvoo	3073	x/y in pixels
		3074
		3075	8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
7856	schaersvoo	3076
7614	schaersvoo	3077	x/y in xrange / yrange coordinate system
		3078
7856	schaersvoo	3079	9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3080
		3081	x/y in pixels
		3082
7856	schaersvoo	3083	10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n
7614	schaersvoo	3084
		3085	x/y in xrange / yrange coordinate system
		3086
		3087	11 = Ax1,Ay1,Ax2,Ay2
		3088	Bx1,By1,Bx2,By2
		3089	Cx1,Cy1,Cx2,Cy2
		3090	Dx1,Dy1,Dx2,Dy2
		3091	......
		3092	Zx1,Zy1,Zx2,Zy2
7856	schaersvoo	3093
7614	schaersvoo	3094	x/y in xrange / yrange coordinate system
		3095
		3096	12 = Ax1,Ay1,Ax2,Ay2
		3097	Bx1,By1,Bx2,By2
		3098	Cx1,Cy1,Cx2,Cy2
		3099	Dx1,Dy1,Dx2,Dy2
		3100	......
		3101	Zx1,Zy1,Zx2,Zy2
7856	schaersvoo	3102
7614	schaersvoo	3103	x/y in pixels
		3104
		3105	13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
		3106
		3107	x/y in xrange / yrange coordinate system
		3108	14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
		3109	x/y in pixels
		3110	15 = reply from inputfields,textareas
		3111	reply1,reply2,reply3,...,reply_n
		3112
		3113	16 = read mathml inputfields only
		3114
		3115	17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
		3116	when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
		3117
		3118	18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
		3119	19 = return clicked object number (analogue to shape-library onclick)
		3120	20 = return x/y-data in x-range/y-range of all 'draggable' images
		3121	21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
		3122	22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
		3123	x/y in xrange / yrange coordinate system
7856	schaersvoo	3124	23 = answertype for a polyline : remove multiple occurences due to reclick on a point to create next polyline segment
7614	schaersvoo	3125	*/
		3126
		3127
		3128	void add_read_canvas(int type_reply){
		3129	/* just 1 reply type allowed */
		3130	switch(type_reply){
		3131	/* TO DO
7856	schaersvoo	3132	!!!! NEED TO SIMPLIFY !!!!
7614	schaersvoo	3133	answers may have:
		3134	x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
		3135	*/
		3136	case 1: fprintf(js_include_file,"\
7653	schaersvoo	3137	\n<!-- begin function 1 read_canvas() -->\n\
7614	schaersvoo	3138	function read_canvas(){\
		3139	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3140	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3141	var p = 0;var input_reply = new Array();\
		3142	if( document.getElementById(\"canvas_input0\")){\
		3143	var t = 0;\
		3144	while(document.getElementById(\"canvas_input\"+t)){\
		3145	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3146	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3147	p++;\
		3148	};\
		3149	t++;\
		3150	};\
		3151	};\
		3152	if( typeof userdraw_text != 'undefined' ){\
		3153	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
		3154	}\
		3155	else\
		3156	{\
		3157	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
		3158	}\
		3159	}\
		3160	else\
		3161	{\
		3162	if( typeof userdraw_text != 'undefined' ){\
		3163	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
		3164	}\
		3165	else\
		3166	{\
		3167	return userdraw_x+\"\\n\"+userdraw_y;\
		3168	}\
		3169	};\
		3170	};\
		3171	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3172	<!-- end function 1 read_canvas() -->");
7614	schaersvoo	3173	break;
		3174	case 2: fprintf(js_include_file,"\
7653	schaersvoo	3175	\n<!-- begin function 2 read_canvas() -->\n\
7614	schaersvoo	3176	function read_canvas(){\
		3177	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3178	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3179	while(userdraw_x[p]){\
		3180	reply_x[p] = px2x(userdraw_x[p]);\
		3181	reply_y[p] = px2y(userdraw_y[p]);\
		3182	p++;\
		3183	};\
		3184	if(p == 0){alert(\"nothing drawn...\");return;};\
		3185	if( document.getElementById(\"canvas_input0\")){\
		3186	var p = 0;var input_reply = new Array();\
		3187	if( document.getElementById(\"canvas_input0\")){\
		3188	var t = 0;\
		3189	while(document.getElementById(\"canvas_input\"+t)){\
		3190	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3191	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3192	p++;\
		3193	};\
		3194	t++;\
		3195	};\
		3196	};\
		3197	if( typeof userdraw_text != 'undefined' ){\
		3198	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3199	}\
		3200	else\
		3201	{\
		3202	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3203	}\
		3204	}\
		3205	else\
		3206	{\
		3207	if( typeof userdraw_text != 'undefined' ){\
		3208	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3209	}\
		3210	else\
		3211	{\
		3212	return reply_x+\"\\n\"+reply_y;\
		3213	};\
		3214	};\
		3215	};\
		3216	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3217	<!-- end function 2 read_canvas() -->");
7614	schaersvoo	3218	break;
		3219	case 3: fprintf(js_include_file,"\
7653	schaersvoo	3220	\n<!-- begin function 3 read_canvas() -->\n\
7614	schaersvoo	3221	function read_canvas(){\
		3222	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3223	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3224	var p = 0;var input_reply = new Array();\
		3225	if( document.getElementById(\"canvas_input0\")){\
		3226	var t = 0;\
		3227	while(document.getElementById(\"canvas_input\"+t)){\
		3228	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3229	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3230	p++;\
		3231	};\
		3232	t++;\
		3233	};\
		3234	};\
		3235	if( typeof userdraw_text != 'undefined' ){\
		3236	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3237	}\
		3238	else\
		3239	{\
		3240	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3241	}\
		3242	}\
		3243	else\
		3244	{\
		3245	if( typeof userdraw_text != 'undefined' ){\
		3246	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
		3247	}\
		3248	else\
		3249	{\
		3250	return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
		3251	}\
		3252	}\
		3253	};\
		3254	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3255	<!-- end function 3 read_canvas() -->");
7614	schaersvoo	3256	break;
		3257	case 4: fprintf(js_include_file,"\
7653	schaersvoo	3258	\n<!-- begin function 4 read_canvas() -->\n\
7614	schaersvoo	3259	function read_canvas(){\
		3260	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3261	while(userdraw_x[p]){\
		3262	reply_x[p] = px2x(userdraw_x[p]);\
		3263	reply_y[p] = px2y(userdraw_y[p]);\
		3264	p++;\
		3265	};\
		3266	if(p == 0){alert(\"nothing drawn...\");return;};\
		3267	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3268	var p = 0;var input_reply = new Array();\
		3269	if( document.getElementById(\"canvas_input0\")){\
		3270	var t = 0;\
		3271	while(document.getElementById(\"canvas_input\"+t)){\
		3272	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3273	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3274	p++;\
		3275	};\
		3276	t++;\
		3277	};\
		3278	};\
		3279	if( typeof userdraw_text != 'undefined' ){\
		3280	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3281	}\
		3282	else\
		3283	{\
		3284	return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
		3285	}\
		3286	}\
		3287	else\
		3288	{\
		3289	if( typeof userdraw_text != 'undefined' ){\
		3290	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
		3291	}\
		3292	else\
		3293	{\
		3294	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
		3295	}\
		3296	};\
		3297	};\
		3298	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3299	<!-- end function 4 read_canvas() -->");
7614	schaersvoo	3300	break;
7856	schaersvoo	3301	/*
		3302	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3303	used for userdraw multiple paths
7614	schaersvoo	3304	*/
		3305	case 5: fprintf(js_include_file,"\
7653	schaersvoo	3306	\n<!-- begin function 5 read_canvas() -->\n\
7614	schaersvoo	3307	function read_canvas(){\
		3308	var p = 0;\
		3309	var reply = \"\";\
		3310	for(p = 0; p < userdraw_x.length;p++){\
		3311	if(userdraw_x[p] != null ){\
		3312	reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
		3313	};\
		3314	};\
		3315	if(p == 0){alert(\"nothing drawn...\");return;};\
		3316	userdraw_x = [];userdraw_y = [];\
		3317	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3318	var p = 0;var input_reply = new Array();\
		3319	if( document.getElementById(\"canvas_input0\")){\
		3320	var t = 0;\
		3321	while(document.getElementById(\"canvas_input\"+t)){\
		3322	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3323	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3324	p++;\
		3325	};\
		3326	t++;\
		3327	};\
		3328	};\
		3329	if( typeof userdraw_text != 'undefined' ){\
		3330	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3331	}\
		3332	else\
		3333	{\
		3334	return reply +\"\\n\"+input_reply;\
		3335	}\
		3336	}\
		3337	else\
		3338	{\
		3339	if( typeof userdraw_text != 'undefined' ){\
		3340	return reply+\"\\n\"+userdraw_text;\
		3341	}\
		3342	else\
		3343	{\
		3344	return reply;\
		3345	}\
		3346	};\
		3347	};\
7654	schaersvoo	3348	this.read_canvas = rdad_canvas;\n\
7653	schaersvoo	3349	<!-- end function 5 read_canvas() -->");
7614	schaersvoo	3350	break;
7856	schaersvoo	3351	/*
		3352	attention: we reset userdraw_x / userdraw_y : because userdraw_x = [][] userdraw_y = [][]
		3353	used for userdraw multiple paths
7614	schaersvoo	3354	*/
		3355	case 6: fprintf(js_include_file,"\
7653	schaersvoo	3356	\n<!-- begin function 6 read_canvas() -->\n\
7614	schaersvoo	3357	function read_canvas(){\
		3358	var p = 0;\
		3359	var reply = \"\";\
		3360	var tmp_x = new Array();\
		3361	var tmp_y = new Array();\
		3362	for(p = 0 ; p < userdraw_x.length; p++){\
		3363	tmp_x = userdraw_x[p];\
		3364	tmp_y = userdraw_y[p];\
		3365	if(tmp_x != null){\
		3366	for(var i = 0 ; i < tmp_x.length ; i++){\
		3367	tmp_x[i] = px2x(tmp_x[i]);\
		3368	tmp_y[i] = px2y(tmp_y[i]);\
		3369	};\
		3370	reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
		3371	};\
		3372	};\
		3373	if(p == 0){alert(\"nothing drawn...\");return;};\
		3374	userdraw_x = [];userdraw_y = [];\
		3375	if( document.getElementById(\"canvas_input0\") ){\
		3376	var p = 0;var input_reply = new Array();\
		3377	if( document.getElementById(\"canvas_input0\")){\
		3378	var t = 0;\
		3379	while(document.getElementById(\"canvas_input\"+t)){\
		3380	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3381	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3382	p++;\
		3383	};\
		3384	t++;\
		3385	};\
		3386	};\
		3387	if( typeof userdraw_text != 'undefined' ){\
		3388	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3389	}\
		3390	else\
		3391	{\
		3392	return reply +\"\\n\"+input_reply;\
		3393	}\
		3394	}\
		3395	else\
		3396	{\
		3397	if( typeof userdraw_text != 'undefined' ){\
		3398	return reply +\"\\n\"+userdraw_text;\
		3399	}\
		3400	else\
		3401	{\
		3402	return reply;\
		3403	}\
		3404	};\
		3405	};\
		3406	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3407	<!-- end function 6 read_canvas() -->");
7614	schaersvoo	3408	break;
		3409	case 7: fprintf(js_include_file,"\
7653	schaersvoo	3410	\n<!-- begin function 7 read_canvas() -->\n\
7614	schaersvoo	3411	function read_canvas(){\
		3412	var reply = new Array();\
		3413	var p = 0;\
		3414	while(userdraw_x[p]){\
		3415	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
		3416	p++;\
		3417	};\
		3418	if(p == 0){alert(\"nothing drawn...\");return;};\
		3419	if( document.getElementById(\"canvas_input0\") ){\
		3420	var p = 0;var input_reply = new Array();\
		3421	if( document.getElementById(\"canvas_input0\")){\
		3422	var t = 0;\
		3423	while(document.getElementById(\"canvas_input\"+t)){\
		3424	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3425	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3426	p++;\
		3427	};\
		3428	t++;\
		3429	};\
		3430	};\
		3431	if( typeof userdraw_text != 'undefined' ){\
		3432	return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3433	}\
		3434	else\
		3435	{\
		3436	return reply+\"\\n\"+input_reply;\
		3437	}\
		3438	};\
		3439	else\
		3440	{\
		3441	if( typeof userdraw_text != 'undefined' ){\
		3442	return reply+\"\\n\"+userdraw_text;\
		3443	}\
		3444	else\
		3445	{\
		3446	return reply;\
		3447	}\
		3448	};\
		3449	};\
		3450	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3451	<!-- end function 7 read_canvas() -->");
7614	schaersvoo	3452	break;
		3453	case 8: fprintf(js_include_file,"\
7653	schaersvoo	3454	\n<!-- begin function 8 read_canvas() -->\n\
7614	schaersvoo	3455	function read_canvas(){\
		3456	var reply = new Array();\
		3457	var p = 0;\
		3458	while(userdraw_x[p]){\
		3459	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
		3460	p++;\
		3461	};\
		3462	if(p == 0){alert(\"nothing drawn...\");return;};\
		3463	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3464	var p = 0;var input_reply = new Array();\
		3465	if( document.getElementById(\"canvas_input0\")){\
		3466	var t = 0;\
		3467	while(document.getElementById(\"canvas_input\"+t)){\
		3468	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3469	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3470	p++;\
		3471	};\
		3472	t++;\
		3473	};\
		3474	};\
		3475	if( typeof userdraw_text != 'undefined' ){\
		3476	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3477	}\
		3478	else\
		3479	{\
		3480	return reply +\"\\n\"+input_reply;\
		3481	}\
		3482	}\
		3483	else\
		3484	{\
		3485	if( typeof userdraw_text != 'undefined' ){\
		3486	return reply +\"\\n\"+userdraw_text;\
		3487	}\
		3488	else\
		3489	{\
		3490	return reply;\
		3491	}\
		3492	};\
		3493	};\
		3494	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3495	<!-- end function 8 read_canvas() -->");
7614	schaersvoo	3496	break;
		3497	case 9: fprintf(js_include_file,"\
7653	schaersvoo	3498	\n<!-- begin function 9 read_canvas() -->\n\
7614	schaersvoo	3499	function read_canvas(){\
		3500	var reply = new Array();\
		3501	var p = 0;\
		3502	while(userdraw_x[p]){\
		3503	reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
		3504	p++;\
		3505	};\
		3506	if(p == 0){alert(\"nothing drawn...\");return;};\
		3507	if( document.getElementById(\"canvas_input0\") ){\
		3508	var p = 0;var input_reply = new Array();\
		3509	if( document.getElementById(\"canvas_input0\")){\
		3510	var t = 0;\
		3511	while(document.getElementById(\"canvas_input\"+t)){\
		3512	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3513	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3514	p++;\
		3515	};\
		3516	t++;\
		3517	};\
		3518	};\
		3519	if( typeof userdraw_text != 'undefined' ){\
		3520	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3521	}\
		3522	else\
		3523	{\
		3524	return reply +\"\\n\"+input_reply;\
		3525	}\
		3526	}\
		3527	else\
		3528	{\
		3529	if( typeof userdraw_text != 'undefined' ){\
		3530	return reply +\"\\n\"+userdraw_text;\
		3531	}\
		3532	else\
		3533	{\
		3534	return reply;\
		3535	}\
		3536	};\
		3537	};\
		3538	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3539	<!-- end function 9 read_canvas() -->");
7614	schaersvoo	3540	break;
		3541	case 10: fprintf(js_include_file,"\
7653	schaersvoo	3542	\n<!-- begin function 10 read_canvas() -->\n\
7614	schaersvoo	3543	function read_canvas(){\
		3544	var reply = new Array();\
		3545	var p = 0;\
		3546	while(userdraw_x[p]){\
		3547	reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
		3548	p++;\
		3549	};\
		3550	if(p == 0){alert(\"nothing drawn...\");return;};\
		3551	if( document.getElementById(\"canvas_input0\") ){\
		3552	var p = 0;var input_reply = new Array();\
		3553	if( document.getElementById(\"canvas_input0\")){\
		3554	var t = 0;\
		3555	while(document.getElementById(\"canvas_input\"+t)){\
		3556	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3557	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3558	p++;\
		3559	};\
		3560	t++;\
		3561	};\
		3562	};\
		3563	if( typeof userdraw_text != 'undefined' ){\
		3564	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3565	}\
		3566	else\
		3567	{\
		3568	return reply +\"\\n\"+input_reply;\
		3569	}\
		3570	}\
		3571	else\
		3572	{\
		3573	if( typeof userdraw_text != 'undefined' ){\
		3574	return reply +\"\\n\"+userdraw_text;\
		3575	}\
		3576	else\
		3577	{\
		3578	return reply;\
		3579	}\
		3580	};\
		3581	};\
		3582	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3583	<!-- end function 10 read_canvas() -->");
7614	schaersvoo	3584	break;
		3585	case 11: fprintf(js_include_file,"\
7653	schaersvoo	3586	\n<!-- begin function 11 read_canvas() -->\n\
7614	schaersvoo	3587	function read_canvas(){\
		3588	var reply = \"\";\
		3589	var p = 0;\
		3590	while(userdraw_x[p]){\
		3591	reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
		3592	p = p+2;\
		3593	};\
		3594	if(p == 0){alert(\"nothing drawn...\");return;};\
		3595	if( document.getElementById(\"canvas_input0\") \|\| document.getElementById(\"mathml0\") ){\
		3596	var p = 0;var input_reply = new Array();\
		3597	if( document.getElementById(\"canvas_input0\")){\
		3598	var t = 0;\
		3599	while(document.getElementById(\"canvas_input\"+t)){\
		3600	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3601	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3602	p++;\
		3603	};\
		3604	t++;\
		3605	};\
		3606	};\
		3607	if( typeof userdraw_text != 'undefined' ){\
		3608	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3609	}\
		3610	else\
		3611	{\
		3612	return reply +\"\\n\"+input_reply;\
		3613	}\
		3614	}\
		3615	else\
		3616	{\
		3617	if( typeof userdraw_text != 'undefined' ){\
		3618	return reply +\"\\n\"+userdraw_text;\
		3619	}\
		3620	else\
		3621	{\
		3622	return reply;\
		3623	}\
		3624	};\
		3625	};\
		3626	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3627	<!-- end function 11 read_canvas() -->");
7614	schaersvoo	3628	break;
		3629	case 12: fprintf(js_include_file,"\
7653	schaersvoo	3630	\n<!-- begin function 12 read_canvas() -->\n\
7614	schaersvoo	3631	function read_canvas(){\
		3632	var reply = \"\";\
		3633	var p = 0;\
		3634	for(p = 0; p< userdraw_x.lenght;p = p+2){\
		3635	if(userdraw_x[p] != null){\
		3636	reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
		3637	};\
		3638	};\
		3639	if(p == 0){alert(\"nothing drawn...\");return;};\
		3640	if( document.getElementById(\"canvas_input0\") ){\
		3641	var p = 0;var input_reply = new Array();\
		3642	if( document.getElementById(\"canvas_input0\")){\
		3643	var t = 0;\
		3644	while(document.getElementById(\"canvas_input\"+t)){\
		3645	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3646	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3647	p++;\
		3648	};\
		3649	t++;\
		3650	};\
		3651	};\
		3652	if( typeof userdraw_text != 'undefined' ){\
		3653	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3654	}\
		3655	else\
		3656	{\
		3657	return reply +\"\\n\"+input_reply;\
		3658	}\
		3659	}\
		3660	else\
		3661	{\
		3662	if( typeof userdraw_text != 'undefined' ){\
		3663	return reply +\"\\n\"+userdraw_text\
		3664	}\
		3665	else\
		3666	{\
		3667	return reply;\
		3668	}\
		3669	};\
		3670	};\
		3671	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3672	<!-- end function 12 read_canvas() -->");
7614	schaersvoo	3673	break;
		3674	case 13: fprintf(js_include_file,"\
7653	schaersvoo	3675	\n<!-- begin function 13 read_canvas() -->\n\
7614	schaersvoo	3676	function read_canvas(){\
		3677	var reply = new Array();\
		3678	var p = 0;var i = 0;\
		3679	while(userdraw_x[p]){\
		3680	reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
		3681	p = p+2;i++;\
		3682	};\
		3683	if(p == 0){alert(\"nothing drawn...\");return;};\
		3684	if( document.getElementById(\"canvas_input0\") ){\
		3685	var p = 0;var input_reply = new Array();\
		3686	if( document.getElementById(\"canvas_input0\")){\
		3687	var t = 0;\
		3688	while(document.getElementById(\"canvas_input\"+t)){\
		3689	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3690	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3691	p++;\
		3692	};\
		3693	t++;\
		3694	};\
		3695	};\
		3696	if( typeof userdraw_text != 'undefined' ){\
		3697	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3698	}\
		3699	else\
		3700	{\
		3701	return reply +\"\\n\"+input_reply;\
		3702	}\
		3703	}\
		3704	else\
		3705	{\
		3706	if( typeof userdraw_text != 'undefined' ){\
		3707	return reply +\"\\n\"+userdraw_text\
		3708	}\
		3709	else\
		3710	{\
		3711	return reply;\
		3712	}\
		3713	};\
		3714	};\
		3715	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3716	<!-- end function 13 read_canvas() -->");
7614	schaersvoo	3717	break;
		3718	case 14: fprintf(js_include_file,"\
7653	schaersvoo	3719	\n<!-- begin function 14 read_canvas() -->\n\
7614	schaersvoo	3720	function read_canvas(){\
		3721	var reply = new Array();\
		3722	var p = 0;var i = 0;\
		3723	while(userdraw_x[p]){\
		3724	reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
		3725	p = p+2;i++;\
		3726	};\
		3727	if(p == 0){alert(\"nothing drawn...\");return;};\
		3728	if( document.getElementById(\"canvas_input0\") ){\
		3729	var p = 0;var input_reply = new Array();\
		3730	if( document.getElementById(\"canvas_input0\")){\
		3731	var t = 0;\
		3732	while(document.getElementById(\"canvas_input\"+t)){\
		3733	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3734	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3735	p++;\
		3736	};\
		3737	t++;\
		3738	};\
		3739	};\
		3740	if( typeof userdraw_text != 'undefined' ){\
		3741	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3742	}\
		3743	else\
		3744	{\
		3745	return reply +\"\\n\"+input_reply;\
		3746	}\
		3747	}\
		3748	else\
		3749	{\
		3750	if( typeof userdraw_text != 'undefined' ){\
		3751	return reply +\"\\n\"+userdraw_text;\
		3752	}\
		3753	else\
		3754	{\
		3755	return reply;\
		3756	}\
		3757	};\
		3758	};\
		3759	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3760	<!-- end function 14 read_canvas() -->");
7614	schaersvoo	3761	break;
		3762	case 15: fprintf(js_include_file,"\
7653	schaersvoo	3763	\n<!-- begin function 15 read_canvas() -->\n\
7614	schaersvoo	3764	function read_canvas(){\
		3765	var input_reply = new Array();\
		3766	var p = 0;\
		3767	if( document.getElementById(\"canvas_input0\")){\
		3768	var t = 0;\
		3769	while(document.getElementById(\"canvas_input\"+t)){\
		3770	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3771	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3772	p++;\
		3773	};\
		3774	t++;\
		3775	};\
		3776	};\
		3777	if( typeof userdraw_text != 'undefined' ){\
		3778	return input_reply +\"\\n\"+userdraw_text;\
		3779	}\
		3780	else\
		3781	{\
		3782	return input_reply;\
		3783	};\
		3784	};\
		3785	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3786	<!-- end function 15 read_canvas() -->");
7614	schaersvoo	3787	break;
		3788	case 16: fprintf(js_include_file,"\
7653	schaersvoo	3789	\n<!-- begin function 16 read_mathml() -->\n\
7614	schaersvoo	3790	function read_mathml(){\
		3791	var reply = new Array();\
		3792	var p = 0;\
		3793	if( document.getElementById(\"mathml0\")){\
		3794	while(document.getElementById(\"mathml\"+p)){\
		3795	reply[p] = document.getElementById(\"mathml\"+p).value;\
		3796	p++;\
		3797	};\
		3798	};\
		3799	return reply;\
		3800	};\
		3801	this.read_mathml = read_mathml;\n\
7653	schaersvoo	3802	<!-- end function 16 read_mathml() -->");
7614	schaersvoo	3803	break;
		3804	case 17: fprintf(js_include_file,"\
7653	schaersvoo	3805	\n<!-- begin function 17 read_canvas() -->\n\
7614	schaersvoo	3806	function read_canvas(){\
		3807	if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
		3808	return userdraw_text;\
		3809	};\
		3810	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3811	<!-- end function 17 read_canvas() -->");
7614	schaersvoo	3812	break;
		3813	case 18: fprintf(js_include_file,"\
7653	schaersvoo	3814	\n<!-- begin function 18 read_canvas() -->\n\
7614	schaersvoo	3815	function read_canvas(){\
		3816	var p = 0;\
		3817	var reply = new Array();\
		3818	var name;\
		3819	var t = true;\
		3820	while(t){\
		3821	try{ name = eval('clocks'+p);\
		3822	reply[p] = parseInt((name.H+name.M/60+name.S/3600)%%12)+\":\"+parseInt((name.M + name.S/60)%%60)+\":\"+(name.S)%%60;p++}catch(e){t=false;};\
		3823	};\
		3824	if( p == 0){alert(\"clock(s) not modified...\");return;}\
		3825	return reply;\
		3826	};\
		3827	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3828	<!-- end function 18 read_canvas() -->");
7614	schaersvoo	3829	break;
		3830	case 19: fprintf(js_include_file,"\
7653	schaersvoo	3831	\n<!-- begin function 19 read_canvas() -->\n\
7614	schaersvoo	3832	function read_canvas(){\
		3833	return reply[0];\
		3834	};\
		3835	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3836	<!-- end function 19 read_canvas() -->");
7614	schaersvoo	3837	case 20: fprintf(js_include_file,"\
7653	schaersvoo	3838	\n<!-- begin function 20 read_canvas() -->\n\
7614	schaersvoo	3839	function read_canvas(){\
		3840	var len = ext_drag_images.length;\
		3841	var reply = new Array(len);\
		3842	for(var p = 0 ; p < len ; p++){\
		3843	var img = ext_drag_images[p];\
		3844	reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
		3845	};\
		3846	return reply;\
		3847	};\
		3848	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3849	<!-- end function 20 read_canvas() -->");
7614	schaersvoo	3850	break;
		3851	case 21: fprintf(js_include_file,"\
7653	schaersvoo	3852	\n<!-- begin function 21 read_canvas() -->\n\
7614	schaersvoo	3853	function read_canvas(){\
		3854	if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
		3855	var reply_coord = new Array();var p = 0;\
		3856	while(userdraw_x[p]){\
		3857	reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
		3858	p++;\
		3859	};\
		3860	if(p == 0){alert(\"nothing drawn...\");return;};\
		3861	if( document.getElementById(\"canvas_input0\") ){\
		3862	var p = 0;var input_reply = new Array();\
		3863	if( document.getElementById(\"canvas_input0\")){\
		3864	var t = 0;\
		3865	while(document.getElementById(\"canvas_input\"+t)){\
		3866	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3867	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3868	p++;\
		3869	};\
		3870	t++;\
		3871	};\
		3872	};\
		3873	if( typeof userdraw_text != 'undefined' ){\
		3874	return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3875	}\
		3876	else\
		3877	{\
		3878	return reply_coord+\"\\n\"+input_reply;\
		3879	}\
		3880	}\
		3881	else\
		3882	{\
		3883	if( typeof userdraw_text != 'undefined' ){\
		3884	return reply_coord+\"\\n\"+userdraw_text;\
		3885	}\
		3886	else\
		3887	{\
		3888	return reply_coord;\
		3889	};\
		3890	};\
		3891	};\
		3892	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3893	<!-- end function 21 read_canvas() -->");
7614	schaersvoo	3894	break;
		3895	case 22: fprintf(js_include_file,"\
7653	schaersvoo	3896	\n<!-- begin function 22 read_canvas() -->\n\
7614	schaersvoo	3897	function read_canvas(){\
		3898	var reply = new Array();\
		3899	var p = 0;\
		3900	var idx = 0;\
		3901	while(userdraw_x[p]){\
		3902	reply[idx] = px2x(userdraw_x[p]);\
		3903	idx++;\
		3904	reply[idx] = px2y(userdraw_y[p]);\
		3905	idx++;p++;\
		3906	};\
		3907	if(p == 0){alert(\"nothing drawn...\");return;};\
		3908	if( document.getElementById(\"canvas_input0\") ){\
		3909	var p = 0;var input_reply = new Array();\
		3910	if( document.getElementById(\"canvas_input0\")){\
		3911	var t = 0;\
		3912	while(document.getElementById(\"canvas_input\"+t)){\
		3913	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3914	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3915	p++;\
		3916	};\
		3917	t++;\
		3918	};\
		3919	};\
		3920	if( typeof userdraw_text != 'undefined' ){\
		3921	return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3922	}\
		3923	else\
		3924	{\
		3925	return reply +\"\\n\"+input_reply;\
		3926	}\
		3927	}\
		3928	else\
		3929	{\
		3930	if( typeof userdraw_text != 'undefined' ){\
		3931	return reply +\"\\n\"+userdraw_text;\
		3932	}\
		3933	else\
		3934	{\
		3935	return reply;\
		3936	}\
		3937	};\
		3938	};\
		3939	this.read_canvas = read_canvas;\n\
7653	schaersvoo	3940	<!-- end function 22 read_canvas() -->");
7614	schaersvoo	3941	break;
7782	schaersvoo	3942	case 23: fprintf(js_include_file,"\
		3943	\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
		3944	function read_canvas(){\
		3945	if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
		3946	var reply_x = new Array();var reply_y = new Array();var p = 0;\
		3947	var lu = userdraw_x.length;\
		3948	if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
		3949	var marge = 5;\
		3950	reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
		3951	for(var i = 0; i < lu - 1 ; i++ ){\
		3952	if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
		3953	if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
		3954	reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
		3955	if( isNaN(reply_x[p]) \|\| isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
		3956	p++;\
		3957	};\
		3958	};\
		3959	};\
		3960	if( document.getElementById(\"canvas_input0\")){\
		3961	var p = 0;var input_reply = new Array();\
		3962	if( document.getElementById(\"canvas_input0\")){\
		3963	var t = 0;\
		3964	while(document.getElementById(\"canvas_input\"+t)){\
		3965	if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
		3966	input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
		3967	p++;\
		3968	};\
		3969	t++;\
		3970	};\
		3971	};\
		3972	if( typeof userdraw_text != 'undefined' ){\
		3973	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
		3974	}\
		3975	else\
		3976	{\
		3977	return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
		3978	}\
		3979	}\
		3980	else\
		3981	{\
		3982	if( typeof userdraw_text != 'undefined' ){\
		3983	return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
		3984	}\
		3985	else\
		3986	{\
		3987	return reply_x+\"\\n\"+reply_y;\
		3988	};\
		3989	};\
		3990	};\
		3991	this.read_canvas = read_canvas;\n\
		3992	<!-- end function 23 read_canvas() -->");
		3993	break;
7614	schaersvoo	3994
		3995	default: canvas_error("hmmm unknown replyformat...");break;
		3996	}
		3997	return;
		3998	}
		3999
		4000
7856	schaersvoo	4001	/*
		4002	add drawfunction :
7614	schaersvoo	4003	- functions used by userdraw_primitives (circle,rect,path,triangle...)
		4004	- things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
		4005	- grid / mathml
		4006	- will not scale or zoom in
		4007	- will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
7856	schaersvoo	4008	- is printed directly into 'js_include_file'
7614	schaersvoo	4009	*/
		4010
		4011	void add_javascript_functions(int js_functions[],int canvas_root_id){
		4012	int i;
		4013	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		4014	if( js_functions[i] == 1){
		4015	switch(i){
		4016	case DRAG_EXTERNAL_IMAGE:
		4017	fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653	schaersvoo	4018	var external_canvas = create_canvas%d(7,xsize,ysize);\
		4019	var external_ctx = external_canvas.getContext(\"2d\");\
		4020	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		4021	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		4022	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		4023	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		4024	var selected_image = null;\
		4025	var ext_image_cnt = 0;\
		4026	var ext_drag_images = new Array();\
		4027	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
		4028	ext_image_cnt = idx;\
		4029	var image = new Image();\
		4030	image.src = URL;\
		4031	image.onload = function(){\
		4032	if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
		4033	if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
		4034	if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
		4035	img = new Array(10);\
		4036	img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		4037	img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
		4038	ext_drag_images[idx] = img;\
		4039	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4040	};\
		4041	};\
		4042	function dragstop(evt){\
		4043	selected_image = null;return;\
		4044	};\
		4045	function dragxy(evt){\
		4046	if( selected_image != null ){\
		4047	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4048	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4049	var s_img = ext_drag_images[selected_image];\
		4050	s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
		4051	s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
		4052	ext_drag_images[selected_image] = s_img;\
		4053	external_ctx.clearRect(0,0,xsize,ysize);\
		4054	for(var i = 0; i <= ext_image_cnt ; i++){\
		4055	var img = ext_drag_images[i];\
		4056	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		4057	};\
		4058	};\
		4059	};\
		4060	function setxy(evt){\
		4061	if( ! selected_image && evt.which == 1 ){\
		4062	var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
		4063	var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
		4064	var xm = evt.clientX - external_canvas_rect.left + xoff;\
		4065	var ym = evt.clientY - external_canvas_rect.top + yoff;\
		4066	for(var p = 0 ; p <= ext_image_cnt ; p++){\
		4067	var img = ext_drag_images[p];\
		4068	if( img[0] == 1 ){\
		4069	var w = img.width;\
		4070	var h = img.height;\
		4071	if( xm > img[6] && xm < img[6] + img[4]){\
		4072	if( ym > img[7] && ym < img[7] + img[5]){\
		4073	img[6] = xm;\
		4074	img[7] = ym;\
		4075	ext_drag_images[p] = img;\
		4076	selected_image = p;\
		4077	dragxy(evt);\
		4078	};\
		4079	};\
		4080	};\
		4081	};\
		4082	}\
		4083	else\
		4084	{\
		4085	selected_image = null;\
		4086	};\
7614	schaersvoo	4087	};",canvas_root_id);
		4088	break;
		4089
		4090	case DRAW_EXTERNAL_IMAGE:
		4091	fprintf(js_include_file,"\n<!-- draw external images -->\n\
		4092	draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
		4093	var image = new Image();\
		4094	image.src = URL;\
		4095	var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
		4096	image.onload = function(){\
		4097	if( x0 < 1 ){ x0 = 0; };\
		4098	if( y0 < 1 ){ y0 = 0; };\
		4099	if( sx < 1 ){ sx = 0; };\
		4100	if( sy < 1 ){ sy = 0; };\
		4101	if( width < 1 ){ width = image.width;};\
		4102	if( height < 1 ){ height = image.height;};\
		4103	if( swidth < 1 ){ swidth = image.width;};\
		4104	if( sheight < 1 ){ sheight = image.height;};\
		4105	var ml = x0 - sx;\
		4106	var mh = y0 - sy;\
		4107	canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
		4108	canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
		4109	canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
		4110	canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
		4111	canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
		4112	};\
7856	schaersvoo	4113	};",canvas_root_id);
7614	schaersvoo	4114	break;
7856	schaersvoo	4115
7614	schaersvoo	4116	case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px forbidden zone for drawing : y < ysize - 15*/
		4117	fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
		4118	draw_zoom_buttons = function(canvas_type,color,opacity){\
		4119	var obj;\
		4120	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4121	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4122	}\
		4123	else\
		4124	{\
		4125	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4126	};\
		4127	var ctx = obj.getContext(\"2d\");\
		4128	ctx.font =\"18px Ariel\";\
		4129	ctx.textAlign = \"right\";\
		4130	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4131	ctx.fillText(\"+\",xsize,ysize);\
		4132	ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
		4133	ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
		4134	ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
		4135	ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
		4136	ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
		4137	ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
		4138	ctx.stroke();\
7653	schaersvoo	4139	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	4140
7614	schaersvoo	4141	break;
		4142	case DRAW_GRIDFILL:/* not used for userdraw */
		4143	fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
		4144	draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
		4145	var obj;\
		4146	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4147	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4148	}\
		4149	else\
		4150	{\
		4151	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4152	};\
		4153	var ctx = obj.getContext(\"2d\");\
		4154	var x,y;\
		4155	ctx.save();\
		4156	ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645	schaersvoo	4157	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4158	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4159	ctx.moveTo(x,y0);\
		4160	ctx.lineTo(x,ysize);\
		4161	};\
7645	schaersvoo	4162	for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614	schaersvoo	4163	ctx.moveTo(x0,y);\
		4164	ctx.lineTo(xsize,y);\
		4165	};\
		4166	ctx.stroke();\
		4167	ctx.restore();\
7653	schaersvoo	4168	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4169	break;
7856	schaersvoo	4170
7614	schaersvoo	4171	case DRAW_IMAGEFILL:/* not used for userdraw */
		4172	fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
		4173	draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
		4174	var obj;\
		4175	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4176	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4177	}\
		4178	else\
		4179	{\
		4180	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4181	};\
		4182	var ctx = obj.getContext(\"2d\");\
		4183	ctx.save();\
		4184	var img = new Image();\
		4185	img.src = URL;\
		4186	img.onload = function(){\
		4187	if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
		4188	ctx.drawImage(img,x0,y0,xsize,ysize);\
		4189	}\
		4190	else\
		4191	{\
		4192	var repeat = \"repeat\";\
		4193	if(img.width > xsize - x0){\
		4194	repeat = \"repeat-y\";\
		4195	}\
		4196	else\
		4197	{\
		4198	if( img.height > ysize -x0 ){\
		4199	repeat = \"repeat-x\";\
		4200	}\
		4201	}\
		4202	var pattern = ctx.createPattern(img,repeat);\
		4203	ctx.rect(x0,y0,xsize,ysize);\
		4204	ctx.fillStyle = pattern;\
		4205	}\
		4206	ctx.fill();\
		4207	};\
		4208	ctx.restore();\
		4209	return;\
7653	schaersvoo	4210	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4211	break;
7856	schaersvoo	4212
7614	schaersvoo	4213	case DRAW_DOTFILL:/* not used for userdraw */
		4214	fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
		4215	draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
		4216	var obj;\
		4217	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4218	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4219	}\
		4220	else\
		4221	{\
		4222	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4223	};\
		4224	var ctx = obj.getContext(\"2d\");\
		4225	var x,y;\
		4226	ctx.closePath();\
		4227	ctx.save();\
7645	schaersvoo	4228	snap_x = dx;snap_y = dy;\
7614	schaersvoo	4229	ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
		4230	for( x = x0 ; x < xsize+dx ; x = x + dx ){\
		4231	for( y = y0 ; y < ysize+dy ; y = y + dy ){\
		4232	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		4233	ctx.closePath();\
		4234	}\
		4235	}\
		4236	ctx.fill();\
		4237	ctx.restore();\
7653	schaersvoo	4238	return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4239	break;
7645	schaersvoo	4240
7647	schaersvoo	4241	case DRAW_DIAMONDFILL:/* not used for userdraw */
7614	schaersvoo	4242	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647	schaersvoo	4243	draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614	schaersvoo	4244	var obj;\
		4245	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4246	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4247	}\
		4248	else\
		4249	{\
		4250	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4251	};\
		4252	var ctx = obj.getContext(\"2d\");\
		4253	var x;\
		4254	var y;\
		4255	ctx.save();\
		4256	ctx.lineWidth = linewidth;\
		4257	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4258	y = ysize;\
		4259	for( x = x0 ; x < xsize ; x = x + dx ){\
		4260	ctx.moveTo(x,y0);\
		4261	ctx.lineTo(xsize,y);\
		4262	y = y - dy;\
		4263	};\
		4264	y = y0;\
		4265	for( x = xsize ; x > 0 ; x = x - dx){\
		4266	ctx.moveTo(x,ysize);\
		4267	ctx.lineTo(x0,y);\
		4268	y = y + dy;\
		4269	};\
		4270	x = x0;\
		4271	for( y = y0 ; y < ysize ; y = y + dy ){\
		4272	ctx.moveTo(xsize,y);\
		4273	ctx.lineTo(x,ysize);\
		4274	x = x + dx;\
		4275	};\
		4276	x = xsize;\
		4277	for( y = ysize ; y > y0 ; y = y - dy ){\
		4278	ctx.moveTo(x,y0);\
		4279	ctx.lineTo(x0,y);\
		4280	x = x - dx;\
		4281	};\
		4282	ctx.stroke();\
		4283	ctx.restore();\
		4284	return;\
7653	schaersvoo	4285	}",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4286	break;
7856	schaersvoo	4287
7647	schaersvoo	4288	case DRAW_HATCHFILL:/* not used for userdraw */
		4289	fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
		4290	draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
		4291	var obj;\
		4292	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4293	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4294	}\
		4295	else\
		4296	{\
		4297	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4298	};\
		4299	var ctx = obj.getContext(\"2d\");\
		4300	var x;\
		4301	var y;\
		4302	ctx.save();\
		4303	ctx.lineWidth = linewidth;\
		4304	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4305	y = ysize;\
		4306	for( x = x0 ; x < xsize ; x = x + dx ){\
		4307	ctx.moveTo(x,y0);\
		4308	ctx.lineTo(xsize,y);\
		4309	y = y - dy;\
		4310	};\
		4311	y = y0;\
		4312	for( x = xsize ; x >= dx ; x = x - dx){\
		4313	ctx.moveTo(x,ysize);\
		4314	ctx.lineTo(x0,y);\
		4315	y = y + dy;\
		4316	};\
		4317	ctx.stroke();\
		4318	ctx.restore();\
		4319	return;\
7653	schaersvoo	4320	};",canvas_root_id,canvas_root_id,canvas_root_id);
7647	schaersvoo	4321	break;
7614	schaersvoo	4322	case DRAW_CIRCLES:/* used for userdraw */
		4323	fprintf(js_include_file,"\n<!-- draw circles -->\n\
		4324	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_translate,vector){\
		4325	ctx.save();\
		4326	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4327	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4328	ctx.lineWidth = line_width;\
		4329	for(var p = 0 ; p < x_points.length ; p++ ){\
		4330	ctx.beginPath();\
		4331	ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
		4332	ctx.closePath();\
		4333	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4334	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4335	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4336	ctx.stroke();\
		4337	}\
		4338	ctx.restore();\
		4339	return;\
7653	schaersvoo	4340	};");
7614	schaersvoo	4341	break;
7663	schaersvoo	4342	case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
		4343	fprintf(js_include_file,"\n<!-- draw polyline -->\n\
		4344	draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4345	ctx.save();\
		4346	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4347	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4348	ctx.lineWidth = line_width;\
		4349	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4350	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4351	ctx.clearRect(0,0,xsize,ysize);\
		4352	ctx.beginPath();\
		4353	for(var p = 0 ; p < x_points.length-1 ; p++ ){\
		4354	ctx.moveTo(x_points[p],y_points[p]);\
		4355	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4356	}\
		4357	ctx.closePath();\
		4358	ctx.stroke();\
		4359	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4360	for(var p = 0 ; p < x_points.length ; p++ ){\
		4361	ctx.beginPath();\
		4362	ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
		4363	ctx.closePath();ctx.fill();ctx.stroke();\
		4364	};\
		4365	ctx.restore();\
		4366	return;\
		4367	};");
		4368	break;
7856	schaersvoo	4369
7614	schaersvoo	4370	case DRAW_SEGMENTS:/* used for userdraw */
		4371	fprintf(js_include_file,"\n<!-- draw segments -->\n\
		4372	draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4373	ctx.save();\
		4374	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4375	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4376	ctx.lineWidth = line_width;\
		4377	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4378	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4379	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4380	ctx.beginPath();\
		4381	ctx.moveTo(x_points[p],y_points[p]);\
		4382	ctx.lineTo(x_points[p+1],y_points[p+1]);\
		4383	ctx.closePath();\
		4384	ctx.stroke();\
		4385	}\
		4386	ctx.restore();\
		4387	return;\
		4388	};");
		4389	break;
7856	schaersvoo	4390
7614	schaersvoo	4391	case DRAW_LINES:/* used for userdraw */
		4392	fprintf(js_include_file,"\n<!-- draw lines -->\n\
		4393	function calc_line(x1,x2,y1,y2){\
		4394	var marge = 2;\
		4395	if(x1 < x2+marge && x1>x2-marge){\
		4396	return [x1,0,x1,ysize];\
		4397	};\
		4398	if(y1 < y2+marge && y1>y2-marge){\
		4399	return [0,y1,xsize,y1];\
		4400	};\
		4401	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		4402	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		4403	return [0,Y1,xsize,Y2];\
		4404	};\
		4405	draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
		4406	ctx.save();\
		4407	var line = new Array(4);\
		4408	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4409	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4410	ctx.lineWidth = line_width;\
		4411	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4412	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4413	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		4414	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		4415	ctx.beginPath();\
		4416	ctx.moveTo(line[0],line[1]);\
		4417	ctx.lineTo(line[2],line[3]);\
		4418	ctx.closePath();\
		4419	ctx.stroke();\
		4420	}\
		4421	ctx.restore();\
		4422	return;\
		4423	};");
		4424	break;
		4425
		4426	case DRAW_CROSSHAIRS:/* used for userdraw */
		4427	fprintf(js_include_file,"\n<!-- draw crosshairs -->\n\
		4428	draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
		4429	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4430	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4431	ctx.lineWidth = line_width;\
		4432	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4433	var x1,x2,y1,y2;\
		4434	for(var p = 0 ; p < x_points.length ; p++ ){\
		4435	x1 = x_points[p] - crosshair_size;\
		4436	x2 = x_points[p] + crosshair_size;\
		4437	y1 = y_points[p] - crosshair_size;\
		4438	y2 = y_points[p] + crosshair_size;\
		4439	ctx.beginPath();\
		4440	ctx.moveTo(x1,y1);\
		4441	ctx.lineTo(x2,y2);\
		4442	ctx.closePath();\
		4443	ctx.stroke();\
		4444	ctx.beginPath();\
		4445	ctx.moveTo(x2,y1);\
		4446	ctx.lineTo(x1,y2);\
		4447	ctx.closePath();\
		4448	ctx.stroke();\
		4449	}\
		4450	ctx.restore();\
		4451	return;\
7653	schaersvoo	4452	};");
7614	schaersvoo	4453	break;
		4454
		4455	case DRAW_RECTS:/* used for userdraw */
		4456	fprintf(js_include_file,"\n<!-- draw rects -->\n\
		4457	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_translate,vector){\
		4458	ctx.save();\
		4459	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4460	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4461	ctx.lineWidth = line_width;\
		4462	ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
		4463	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
		4464	for(var p = 0 ; p < x_points.length ; p = p + 2){\
		4465	ctx.beginPath();\
		4466	ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
		4467	ctx.closePath();\
		4468	if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4469	ctx.stroke();\
		4470	};\
		4471	ctx.restore();\
		4472	return;\
7653	schaersvoo	4473	};");
7614	schaersvoo	4474	break;
		4475
		4476	case DRAW_ROUNDRECTS:/* used for userdraw */
		4477	fprintf(js_include_file,"\n<!-- draw round rects -->\n\
		4478	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_translate,vector){\
		4479	ctx.save();\
		4480	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4481	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4482	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4483	var x,y,w,h,r;\
		4484	for(var p = 0; p < x_points.length; p = p+2){\
		4485	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);\
		4486	ctx.beginPath();ctx.moveTo(x + r, y);\
		4487	ctx.lineTo(x + w - r, y);\
		4488	ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
		4489	ctx.lineTo(x + w, y + h - r);\
		4490	ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
		4491	ctx.lineTo(x + r, y + h);\
		4492	ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
		4493	ctx.lineTo(x, y + r);\
		4494	ctx.quadraticCurveTo(x, y, x + r, y);\
		4495	ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
		4496	ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4497	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
		4498	ctx.stroke();\
		4499	}\
		4500	ctx.restore();\
7653	schaersvoo	4501	};");
7856	schaersvoo	4502	break;
7614	schaersvoo	4503
		4504	case DRAW_ELLIPSES:/* not used for userdraw */
		4505	fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
		4506	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_translate,vector){\
		4507	var obj;\
		4508	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4509	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4510	}\
		4511	else\
		4512	{\
		4513	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4514	};\
		4515	var ctx = obj.getContext(\"2d\");\
		4516	ctx.save();\
		4517	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4518	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4519	var cx,cy,ry,rx;\
		4520	ctx.lineWidth = line_width;\
		4521	if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
		4522	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4523	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4524	for(var p=0;p< x_points.length;p = p+2){\
		4525	ctx.beginPath();\
		4526	cx = x_points[p];cy = y_points[p];rx = 0.25x_points[p+1];ry = 0.25y_points[p+1];\
		4527	ctx.translate(cx - rx, cy - ry);\
		4528	ctx.scale(rx, ry);\
		4529	ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
		4530	if( use_filled == 1 ){ctx.fill();}\
		4531	ctx.stroke();\
		4532	};\
		4533	ctx.restore();\
7653	schaersvoo	4534	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	4535	break;
		4536
		4537	case DRAW_PATHS: /* used for userdraw */
		4538	fprintf(js_include_file,"\n<!-- draw paths -->\n\
		4539	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_translate,vector){\
		4540	ctx.save();\
		4541	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4542	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4543	ctx.lineWidth = line_width;\
		4544	ctx.lineJoin = \"round\";\
		4545	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4546	ctx.beginPath();\
		4547	ctx.moveTo(x_points[0],y_points[0]);\
		4548	for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
		4549	if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
		4550	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4551	if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
		4552	ctx.stroke();\
		4553	ctx.restore();\
		4554	return;\
		4555	};");
7856	schaersvoo	4556
7614	schaersvoo	4557	break;
		4558	case DRAW_ARROWS:/* used for userdraw */
		4559	fprintf(js_include_file,"\n<!-- draw arrows -->\n\
		4560	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_translate,vector){\
		4561	ctx.save();\
		4562	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		4563	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		4564	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4565	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4566	ctx.lineWidth = line_width;\
		4567	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4568	ctx.lineCap = \"round\";\
		4569	ctx.save();\
		4570	var x1,y1,x2,y2,dx,dy,len;\
		4571	for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
		4572	ctx.restore();ctx.save();\
		4573	x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
		4574	len = Math.sqrt(dxdx+dydy);\
		4575	ctx.translate(x2,y2);\
		4576	ctx.rotate(Math.atan2(dy,dx));\
		4577	ctx.lineCap = \"round\";\
		4578	ctx.beginPath();\
		4579	ctx.moveTo(0,0);\
		4580	ctx.lineTo(-len,0);\
		4581	ctx.closePath();\
		4582	ctx.stroke();\
		4583	ctx.beginPath();\
		4584	ctx.moveTo(0,0);\
		4585	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4586	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4587	ctx.closePath();\
		4588	ctx.fill();\
		4589	if( type == 2 ){\
		4590	ctx.restore();\
		4591	ctx.save();\
		4592	ctx.translate(x1,y1);\
		4593	ctx.rotate(Math.atan2(-dy,-dx));\
		4594	ctx.beginPath();\
		4595	ctx.moveTo(0,0);\
		4596	ctx.lineTo(-1arrow_head,-0.5arrow_head);\
		4597	ctx.lineTo(-1arrow_head, 0.5arrow_head);\
		4598	ctx.closePath();\
		4599	ctx.stroke();\
		4600	ctx.fill();\
		4601	}\
		4602	}\
		4603	ctx.restore();\
		4604	return;\
7653	schaersvoo	4605	};");
7614	schaersvoo	4606	break;
		4607
		4608	case DRAW_VIDEO:/* not used for userdraw */
		4609	fprintf(js_include_file,"\n<!-- draw video -->\n\
		4610	draw_video = function(canvas_root_id,x,y,w,h,URL){\
		4611	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4612	var video_div = document.createElement(\"div\");\
		4613	canvas_div.appendChild(video_div);\
		4614	video_div.style.position = \"absolute\";\
		4615	video_div.style.left = x+\"px\";\
		4616	video_div.style.top = y+\"px\";\
		4617	video_div.style.width = w+\"px\";\
		4618	video_div.style.height = h+\"px\";\
		4619	var video = document.createElement(\"video\");\
		4620	video_div.appendChild(video);\
		4621	video.style.width = w+\"px\";\
		4622	video.style.height = h+\"px\";\
		4623	video.autobuffer = true;\
		4624	video.controls = true;video.autoplay = false;\
		4625	var src = document.createElement(\"source\");\
		4626	src.type = \"video/mp4\";\
		4627	src.src = URL;\
		4628	video.appendChild(src);\
		4629	video.load();\
		4630	return;\
7856	schaersvoo	4631	};");
7614	schaersvoo	4632	break;
7856	schaersvoo	4633
7614	schaersvoo	4634	case DRAW_AUDIO:/* not used for userdraw */
		4635	fprintf(js_include_file,"\n<!-- draw audio -->\n\
		4636	draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		4637	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4638	var audio_div = document.createElement(\"div\");\
		4639	canvas_div.appendChild(audio_div);\
		4640	audio_div.style.position = \"absolute\";\
		4641	audio_div.style.left = x+\"px\";\
		4642	audio_div.style.top = y+\"px\";\
		4643	audio_div.style.width = w+\"px\";\
		4644	audio_div.style.height = h+\"px\";\
		4645	var audio = document.createElement(\"audio\");\
		4646	audio_div.appendChild(audio);\
		4647	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		4648	audio.autobuffer = true;\
		4649	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
		4650	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
		4651	var src1 = document.createElement(\"source\");\
		4652	src1.type = \"audio/ogg\";\
		4653	src1.src = URL1;\
		4654	audio.appendChild(src1);\
		4655	var src2 = document.createElement(\"source\");\
		4656	src2.type = \"audio/mpeg\";\
		4657	src2.src = URL2;\
		4658	audio.appendChild(src2);\
		4659	audio.load();\
		4660	return;\
7653	schaersvoo	4661	};");
7614	schaersvoo	4662	break;
7856	schaersvoo	4663
7614	schaersvoo	4664	case DRAW_HTTP:/* not used for userdraw */
		4665	fprintf(js_include_file,"\n<!-- draw http -->\n\
		4666	draw_http = function(canvas_root_id,x,y,w,h,URL){\
		4667	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4668	var http_div = document.createElement(\"div\");\
		4669	var iframe = document.createElement(\"iframe\");\
		4670	canvas_div.appendChild(http_div);\
		4671	http_div.appendChild(iframe);\
		4672	iframe.src = URL;\
		4673	iframe.setAttribute(\"width\",w);\
		4674	iframe.setAttribute(\"height\",h);\
		4675	return;\
7653	schaersvoo	4676	};");
7614	schaersvoo	4677	break;
7856	schaersvoo	4678
7614	schaersvoo	4679	case DRAW_XML:
		4680	fprintf(js_include_file,"\n<!-- draw xml -->\n\
		4681	draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
		4682	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		4683	var xml_div = document.createElement(\"div\");\
		4684	canvas_div.appendChild(xml_div);\
		4685	xml_div.innerHTML = mathml;\
		4686	if(onclick != 0){\
		4687	xml_div.onclick = function(){\
		4688	reply[0] = onclick;\
		4689	alert(\"send \"+onclick+\" ?\");\
		4690	};\
		4691	};\
		4692	xml_div.style.position = \"absolute\";\
		4693	xml_div.style.left = x+\"px\";\
		4694	xml_div.style.top = y+\"px\";\
		4695	xml_div.style.width = w+\"px\";\
		4696	xml_div.style.height = h+\"px\";\
		4697	return;\
7653	schaersvoo	4698	};"
7614	schaersvoo	4699	);
		4700	break;
7654	schaersvoo	4701	case DRAW_SGRAPH:
7856	schaersvoo	4702	/*
7654	schaersvoo	4703	xstart = given
		4704	ystart = given
		4705	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		4706	*/
		4707	fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658	schaersvoo	4708	draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		4709	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);};\
		4710	var ctx = obj.getContext(\"2d\");\
		4711	ctx.font = fontfamily;\
		4712	var minor_opacity = 0.8*opacity;\
		4713	ctx.clearRect(0,0,xsize,ysize);\
		4714	var d_x = 1.8*font_size;\
		4715	var d_y = ctx.measureText(\"+ymax+\").width;\
		4716	var dx = xsize / (xmax - xmin);\
		4717	var dy = ysize / (ymax - ymin);\
		4718	var zero_x = d_y + dx;\
		4719	var zero_y = ysize - dy - d_x;\
7659	schaersvoo	4720	var snor_x;\
7654	schaersvoo	4721	if( xstart != xmin){\
7658	schaersvoo	4722	snor_x = 0.1*xsize;\
		4723	}\
		4724	else\
		4725	{\
		4726	snor_x = 0;\
		4727	xstart = xmin;\
		4728	};\
		4729	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4730	ctx.lineWidth = 2;\
		4731	ctx.beginPath();\
		4732	ctx.moveTo(xsize,zero_y);\
		4733	ctx.lineTo(zero_x,zero_y);\
		4734	ctx.lineTo(zero_x,0);\
		4735	ctx.stroke();\
		4736	ctx.closePath();\
		4737	ctx.beginPath();\
		4738	ctx.moveTo(zero_x,zero_y);\
		4739	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		4740	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		4741	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		4742	ctx.lineTo(zero_x + snor_x,zero_y);\
		4743	ctx.stroke();\
		4744	ctx.closePath();\
		4745	ctx.beginPath();\
		4746	var num = xstart;\
7660	schaersvoo	4747	var flipflop = 1;\
7658	schaersvoo	4748	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		4749	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660	schaersvoo	4750	if( 0.5*ctx.measureText(num).width > step_x ){\
		4751	if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
		4752	};\
		4753	if( flipflop == 1){\
7658	schaersvoo	4754	ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
		4755	}\
		4756	else\
		4757	{\
		4758	ctx.fillText(num,x - 0.5ctx.measureText(num).width,zero_y+2font_size);\
		4759	}\
		4760	num = num + xmajor;\
		4761	};\
		4762	ctx.stroke();\
		4763	ctx.closePath();\
		4764	ctx.lineWidth = 1;\
		4765	ctx.beginPath();\
		4766	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4767	ctx.moveTo(x,zero_y);\
		4768	ctx.lineTo(x,0);\
		4769	};\
		4770	ctx.stroke();\
		4771	ctx.closePath();\
		4772	if( xminor > 1){\
		4773	ctx.lineWidth = 0.5;\
		4774	ctx.beginPath();\
		4775	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4776	var minor_step_x = step_x / xminor;\
		4777	var nx;\
		4778	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		4779	num = 1;\
		4780	for(var p = 1 ; p < xminor ; p++){\
		4781	nx = x + num*minor_step_x;\
		4782	ctx.moveTo(nx,zero_y);\
		4783	ctx.lineTo(nx,0);\
		4784	num++;\
		4785	};\
		4786	};\
		4787	ctx.stroke();\
		4788	ctx.closePath();\
		4789	ctx.beginPath();\
		4790	ctx.lineWidth = 2;\
		4791	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4792	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		4793	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		4794	};\
		4795	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		4796	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		4797	};\
		4798	ctx.stroke();\
		4799	ctx.closePath();\
		4800	ctx.lineWidth = 0.5;\
		4801	};\
		4802	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		4803	if( ystart != ymin){\
		4804	snor_y = 0.1*ysize;\
		4805	}\
		4806	else\
		4807	{\
		4808	snor_y = 0;\
		4809	ystart = ymin;\
		4810	};\
		4811	ctx.lineWidth = 2;\
		4812	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4813	ctx.beginPath();\
		4814	ctx.moveTo(zero_x,zero_y);\
		4815	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		4816	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		4817	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		4818	ctx.lineTo(zero_x,zero_y - snor_y);\
		4819	ctx.stroke();\
		4820	ctx.closePath();\
		4821	ctx.beginPath();\
		4822	ctx.lineWidth = 1;\
		4823	num = ystart;\
		4824	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		4825	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		4826	ctx.moveTo(zero_x,y);\
		4827	ctx.lineTo(xsize,y);\
		4828	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		4829	num = num + ymajor;\
		4830	};\
		4831	ctx.stroke();\
		4832	ctx.closePath();\
		4833	if( yminor > 1){\
		4834	ctx.lineWidth = 0.5;\
		4835	ctx.beginPath();\
		4836	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		4837	var minor_step_y = step_y / yminor;\
		4838	var ny;\
		4839	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		4840	num = 1;\
		4841	for(var p = 1 ;p < yminor;p++){\
		4842	ny = y + num*minor_step_y;\
		4843	ctx.moveTo(zero_x,ny);\
		4844	ctx.lineTo(xsize,ny);\
		4845	num++;\
		4846	};\
		4847	};\
		4848	ctx.stroke();\
		4849	ctx.closePath();\
		4850	ctx.lineWidth = 2;\
		4851	ctx.beginPath();\
		4852	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		4853	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		4854	ctx.moveTo(zero_x,y);\
		4855	ctx.lineTo(zero_x+12,y);\
		4856	};\
		4857	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		4858	ctx.moveTo(zero_x,y);\
		4859	ctx.lineTo(zero_x+6,y);\
		4860	};\
		4861	ctx.stroke();\
		4862	ctx.closePath();\
		4863	};\
		4864	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654	schaersvoo	4865	if( typeof legend%d !== 'undefined' ){\
		4866	ctx.globalAlpha = 1.0;\
		4867	var y_offset = 2*font_size;\
		4868	var txt;var txt_size;\
		4869	var x_offset = xsize - 2*font_size;\
		4870	var l_length = legend%d.length;var barcolor = new Array();\
		4871	if( typeof legendcolors%d !== 'undefined' ){\
		4872	for(var p = 0 ; p < l_length ; p++){\
		4873	barcolor[p] = legendcolors%d[p];\
		4874	};\
		4875	}else{\
		4876	if( barcolor.length == 0 ){\
		4877	for(var p = 0 ; p < l_length ; p++){\
		4878	barcolor[p] = stroke_color;\
		4879	};\
		4880	};\
		4881	};\
		4882	for(var p = 0; p < l_length; p++){\
		4883	ctx.fillStyle = barcolor[p];\
		4884	txt = legend%d[p];\
		4885	txt_size = ctx.measureText(txt).width;\
		4886	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		4887	y_offset = parseInt(y_offset + 1.5*font_size);\
		4888	};\
		4889	};\
7660	schaersvoo	4890	if( typeof xaxislabel !== 'undefined' ){\
7658	schaersvoo	4891	ctx.fillStyle = \'#000000\';\
		4892	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		4893	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		4894	};\
7660	schaersvoo	4895	if( typeof yaxislabel !== 'undefined'){\
7658	schaersvoo	4896	ctx.save();\
		4897	ctx.fillStyle = \'#000000\';\
		4898	var txt_size = ctx.measureText(yaxislabel).width;\
		4899	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		4900	ctx.rotate(-0.5*Math.PI);\
		4901	ctx.fillText(yaxislabel,0,0);\
		4902	ctx.save();\
		4903	};\
7654	schaersvoo	4904	};\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);
		4905	break;
7614	schaersvoo	4906
		4907	case DRAW_GRID:/* not used for userdraw */
		4908	fprintf(js_include_file,"\n<!-- draw grid -->\n\
		4909	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_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
		4910	var obj;\
		4911	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		4912	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		4913	}\
		4914	else\
		4915	{\
		4916	obj = create_canvas%d(canvas_type,xsize,ysize);\
		4917	};\
		4918	var ctx = obj.getContext(\"2d\");\
		4919	ctx.clearRect(0,0,xsize,ysize);\
		4920	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		4921	ctx.save();\
		4922	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		4923	if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angleMath.PI/180);ctx.translate(-1(x2px(0)),-1*(y2px(0)));};\
		4924	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		4925	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		4926	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		4927	ctx.font = font_family;\
		4928	var xstep = xsize*xmajor/(xmax - xmin);\
		4929	var ystep = ysize*ymajor/(ymax - ymin);\
		4930	var x2step = xstep / xminor;\
		4931	var y2step = ystep / yminor;\
7654	schaersvoo	4932	var zero_x;var zero_y;var f_x;var f_y;\
		4933	if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
		4934	if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614	schaersvoo	4935	ctx.beginPath();\
		4936	ctx.lineWidth = line_width;\
		4937	ctx.strokeStyle = stroke_color;\
		4938	for(var p = zero_x ; p < xsize; p = p + xstep){\
		4939	ctx.moveTo(p,0);\
		4940	ctx.lineTo(p,ysize);\
		4941	};\
		4942	for(var p = zero_x ; p > 0; p = p - xstep){\
		4943	ctx.moveTo(p,0);\
		4944	ctx.lineTo(p,ysize);\
		4945	};\
		4946	for(var p = zero_y ; p < ysize; p = p + ystep){\
		4947	ctx.moveTo(0,p);\
		4948	ctx.lineTo(xsize,p);\
		4949	};\
		4950	for(var p = zero_y ; p > 0; p = p - ystep){\
		4951	ctx.moveTo(0,p);\
		4952	ctx.lineTo(xsize,p);\
		4953	};\
		4954	if( typeof xaxislabel !== 'undefined' ){\
		4955	ctx.save();\
		4956	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4957	var corr = ctx.measureText(xaxislabel).width;\
		4958	ctx.fillText(xaxislabel,xsize - 1.5corr,zero_y - tics_length - 0.4font_size);\
		4959	ctx.restore();\
		4960	};\
		4961	if( typeof yaxislabel !== 'undefined' ){\
		4962	ctx.save();\
		4963	ctx.font = \"italic \"+font_size+\"px Ariel\";\
		4964	corr = ctx.measureText(yaxislabel).width;\
		4965	ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
		4966	ctx.rotate(-0.5*Math.PI);\
		4967	ctx.fillText(yaxislabel,0,0);\
		4968	ctx.restore();\
		4969	};\
		4970	ctx.stroke();\
		4971	ctx.closePath();\
		4972	if( use_axis == 1 ){\
		4973	ctx.beginPath();\
		4974	ctx.strokeStyle = stroke_color;\
		4975	ctx.lineWidth = 0.6*line_width;\
		4976	for(var p = zero_x ; p < xsize; p = p + x2step){\
		4977	ctx.moveTo(p,0);\
		4978	ctx.lineTo(p,ysize);\
		4979	};\
		4980	for(var p = zero_x ; p > 0; p = p - x2step){\
		4981	ctx.moveTo(p,0);\
		4982	ctx.lineTo(p,ysize);\
		4983	};\
		4984	for(var p = zero_y ; p < ysize; p = p + y2step){\
		4985	ctx.moveTo(0,p);\
		4986	ctx.lineTo(xsize,p);\
		4987	};\
		4988	for(var p = zero_y ; p > 0; p = p - y2step){\
		4989	ctx.moveTo(0,p);\
		4990	ctx.lineTo(xsize,p);\
		4991	};\
		4992	ctx.stroke();\
		4993	ctx.closePath();\
		4994	ctx.beginPath();\
		4995	ctx.lineWidth = 2*line_width;\
		4996	ctx.strokeStyle = axis_color;\
		4997	ctx.moveTo(0,zero_y);\
		4998	ctx.lineTo(xsize,zero_y);\
		4999	ctx.moveTo(zero_x,0);\
		5000	ctx.lineTo(zero_x,ysize);\
		5001	ctx.stroke();\
		5002	ctx.closePath();\
		5003	ctx.lineWidth = line_width+0.5;\
		5004	ctx.beginPath();\
		5005	for(var p = zero_x ; p < xsize; p = p + xstep){\
		5006	ctx.moveTo(p,zero_y-tics_length);\
		5007	ctx.lineTo(p,zero_y+tics_length);\
		5008	};\
		5009	for(var p = zero_x ; p > 0; p = p - xstep){\
		5010	ctx.moveTo(p,zero_y-tics_length);\
		5011	ctx.lineTo(p,zero_y+tics_length);\
		5012	};\
		5013	for(var p = zero_y ; p < ysize; p = p + ystep){\
		5014	ctx.moveTo(zero_x-tics_length,p);\
		5015	ctx.lineTo(zero_x+tics_length,p);\
		5016	};\
		5017	for(var p = zero_y ; p > 0; p = p - ystep){\
		5018	ctx.moveTo(zero_x-tics_length,p);\
		5019	ctx.lineTo(zero_x+tics_length,p);\
		5020	};\
		5021	for(var p = zero_x ; p < xsize; p = p + x2step){\
		5022	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5023	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5024	};\
		5025	for(var p = zero_x ; p > 0; p = p - x2step){\
		5026	ctx.moveTo(p,zero_y-0.5*tics_length);\
		5027	ctx.lineTo(p,zero_y+0.5*tics_length);\
		5028	};\
		5029	for(var p = zero_y ; p < ysize; p = p + y2step){\
		5030	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5031	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5032	};\
		5033	for(var p = zero_y ; p > 0; p = p - y2step){\
		5034	ctx.moveTo(zero_x-0.5*tics_length,p);\
		5035	ctx.lineTo(zero_x+0.5*tics_length,p);\
		5036	};\
		5037	ctx.stroke();\
		5038	ctx.closePath();\
		5039	if( use_axis_numbering == 1 ){\
		5040	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		5041	if( x_strings != null ){\
		5042	var f = 1.4;\
		5043	var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		5044	for(var p = 0 ; p < len ; p = p+2){\
		5045	var x_nums = x2px(eval(x_strings[p]));\
		5046	var x_text = x_strings[p+1];\
		5047	corr = ctx.measureText(x_text).width;\
		5048	skip = 1.2*corr/xstep;\
		5049	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		5050	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
		5051	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		5052	}\
		5053	}\
		5054	else\
		5055	{\
7654	schaersvoo	5056	corr=0;skip = 1;cnt = px2x(zero_x);\
7614	schaersvoo	5057	prec = Math.log(precision)/(Math.log(10));\
7654	schaersvoo	5058	for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614	schaersvoo	5059	if(skip == 0 ){\
		5060	disp_cnt = cnt.toFixed(prec);\
		5061	corr = ctx.measureText(disp_cnt).width;\
		5062	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5063	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5064	}\
		5065	else\
		5066	{\
		5067	skip--;\
		5068	};\
		5069	cnt = cnt + xmajor;\
		5070	};\
7654	schaersvoo	5071	cnt = px2x(zero_x);skip = 1;\
		5072	for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614	schaersvoo	5073	if(skip == 0 ){\
		5074	disp_cnt = cnt.toFixed(prec);\
		5075	corr = ctx.measureText(disp_cnt).width;\
		5076	skip = parseInt(1.2*corr/xstep);\
7654	schaersvoo	5077	ctx.fillText(disp_cnt,p-0.5corr,parseInt(zero_y+(1.4f_x*font_size)));\
7614	schaersvoo	5078	}\
		5079	else\
		5080	{\
		5081	skip--;\
		5082	};\
		5083	cnt = cnt - xmajor;\
		5084	};\
		5085	};\
		5086	if( y_strings != null ){\
		5087	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		5088	for(var p = 0 ; p < len ; p = p+2){\
		5089	var y_nums = y2px(eval(y_strings[p]));\
		5090	var y_text = y_strings[p+1];\
		5091	var f = 1.4;\
		5092	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		5093	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		5094	ctx.fillText(y_text,zero_x - corr,y_nums);\
		5095	};\
		5096	}\
		5097	else\
		5098	{\
7654	schaersvoo	5099	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5100	for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614	schaersvoo	5101	if(skip == 0 ){\
		5102	skip = parseInt(1.4*font_size/ystep);\
		5103	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5104	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5105	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5106	}\
		5107	else\
		5108	{\
		5109	skip--;\
		5110	};\
		5111	cnt = cnt - ymajor;\
		5112	}\
7654	schaersvoo	5113	corr = 0;cnt = px2y(zero_y);skip = 1;\
		5114	for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614	schaersvoo	5115	if(skip == 0 ){\
		5116	skip = parseInt(1.4*font_size/ystep);\
		5117	disp_cnt = cnt.toFixed(prec);\
7654	schaersvoo	5118	if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
		5119	ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614	schaersvoo	5120	}\
		5121	else\
		5122	{\
		5123	skip--;\
		5124	};\
		5125	cnt = cnt + ymajor;\
		5126	}\
		5127	};\
		5128	};\
		5129	ctx.strokeStyle = stroke_color;\
		5130	ctx.lineWidth = 2;\
		5131	ctx.beginPath();\
		5132	ctx.rect(0,0,xsize,ysize);\
		5133	ctx.closePath();\
		5134	ctx.stroke();\
		5135	};\
		5136	if( typeof linegraph_0 !== 'undefined' ){\
		5137	ctx.restore();\
		5138	ctx.save();\
		5139	ctx.globalAlpha = 1.0;\
		5140	var i = 0;\
		5141	var line_name = eval('linegraph_'+i);\
		5142	while ( typeof line_name !== 'undefined' ){\
		5143	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		5144	ctx.lineWidth = parseInt(line_name[1]);\
		5145	if(line_name[2] == \"1\"){\
		5146	var d1 = parseInt(line_name[3]);\
		5147	var d2 = parseInt(line_name[4]);\
		5148	if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
		5149	}\
		5150	else\
		5151	{\
		5152	if(ctx.setLineDash){ctx.setLineDash = null;}\
		5153	if(ctx.mozDash){ctx.mozDash = null;}\
		5154	};\
		5155	var data_x = new Array();\
		5156	var data_y = new Array();\
		5157	var lb = line_name.length;\
		5158	var idx = 0;\
		5159	for( var p = 5 ; p < lb ; p = p + 2 ){\
		5160	data_x[idx] = x2px(line_name[p]);\
		5161	data_y[idx] = y2px(line_name[p+1]);\
		5162	idx++;\
		5163	};\
		5164	for( var p = 0; p < idx ; p++){\
		5165	ctx.beginPath();\
		5166	ctx.moveTo(data_x[p],data_y[p]);\
		5167	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		5168	ctx.stroke();\
		5169	ctx.closePath();\
		5170	};\
		5171	i++;\
		5172	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		5173	};\
		5174	};\
		5175	var barcolor = new Array();\
		5176	if( typeof barchart%d !== 'undefined' ){\
		5177	ctx.restore();\
		5178	ctx.save();\
		5179	ctx.globalAlpha = 1.0;\
		5180	var bar_x = new Array();\
		5181	var bar_y = new Array();\
		5182	var lb = barchart%d.length;\
		5183	var idx = 0;\
		5184	for( var p = 0 ; p < lb ; p = p + 3 ){\
		5185	bar_x[idx] = x2px(barchart%d[p]);\
		5186	bar_y[idx] = y2px(barchart%d[p+1]);\
		5187	barcolor[idx] = barchart%d[p+2];\
		5188	idx++;\
		5189	};\
		5190	var dx = parseInt(0.6*xstep);\
		5191	ctx.globalAlpha = fill_opacity;\
		5192	for( var p = 0; p < idx ; p++ ){\
		5193	ctx.beginPath();\
		5194	ctx.strokeStyle = barcolor[p];\
		5195	ctx.fillStyle = barcolor[p];\
		5196	ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
		5197	ctx.fill();\
		5198	ctx.stroke();\
		5199	ctx.closePath();\
		5200	};\
		5201	};\
		5202	if( typeof legend%d !== 'undefined' ){\
		5203	ctx.globalAlpha = 1.0;\
		5204	ctx.font = \"bold \"+font_size+\"px Ariel\";\
		5205	var y_offset = 2*font_size;\
		5206	var txt;var txt_size;\
		5207	var x_offset = xsize - 2*font_size;\
		5208	var l_length = legend%d.length;\
		5209	if( typeof legendcolors%d !== 'undefined' ){\
		5210	for(var p = 0 ; p < l_length ; p++){\
		5211	barcolor[p] = legendcolors%d[p];\
		5212	};\
		5213	}else{\
		5214	if( barcolor.length == 0 ){\
		5215	for(var p = 0 ; p < l_length ; p++){\
		5216	barcolor[p] = stroke_color;\
		5217	};\
		5218	};\
		5219	};\
		5220	for(var p = 0; p < l_length; p++){\
		5221	ctx.fillStyle = barcolor[p];\
		5222	txt = legend%d[p];\
		5223	txt_size = ctx.measureText(txt).width;\
		5224	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		5225	y_offset = parseInt(y_offset + 1.5*font_size);\
		5226	};\
		5227	};\
		5228	ctx.restore();\
		5229	return;\
7653	schaersvoo	5230	};",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,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5231	break;
7856	schaersvoo	5232
7614	schaersvoo	5233	case DRAW_PIECHART:
		5234	fprintf(js_include_file,"\n<!-- draw piechars -->\n\
		5235	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
		5236	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5237	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5238	}\
		5239	else\
		5240	{\
		5241	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5242	};\
		5243	var ld = data_color_list.length;\
		5244	var sum = 0;\
		5245	var idx = 0;\
		5246	var colors = new Array();\
		5247	var data = new Array();\
		5248	for(var p = 0;p < ld; p = p + 2){\
		5249	data[idx] = parseFloat(data_color_list[p]);\
		5250	sum = sum + data[idx];\
		5251	colors[idx] = data_color_list[p+1];\
		5252	idx++;\
		5253	};\
		5254	var ctx = obj.getContext(\"2d\");\
		5255	ctx.save();\
		5256	var angle;\
		5257	var angle_end = 0;\
		5258	var offset = Math.PI / 2;\
		5259	ctx.globalAlpha = fill_opacity;\
		5260	for(var p=0; p < idx; p++){\
		5261	ctx.beginPath();\
		5262	ctx.fillStyle = colors[p];\
		5263	ctx.moveTo(x_center,y_center);\
		5264	angle = Math.PI * (2 * data[p] / sum);\
		5265	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		5266	ctx.lineTo(x_center, y_center);\
		5267	ctx.fill();\
		5268	ctx.closePath();\
		5269	angle_end = angle_end + angle;\
		5270	};\
		5271	if( typeof legend%d !== 'undefined' ){\
		5272	ctx.globalAlpha = 1.0;\
		5273	ctx.font = font_size+\"px \"+font_family;\
		5274	var y_offset = font_size; \
		5275	var x_offset = 0;\
		5276	var txt;var txt_size;\
		5277	for(var p = 0; p < idx; p++){\
		5278	ctx.fillStyle = colors[p];\
		5279	txt = legend%d[p];\
		5280	txt_size = ctx.measureText(txt).width;\
		5281	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		5282	ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
		5283	y_offset = parseInt(y_offset + 1.5*font_size);\
		5284	};\
		5285	};\
		5286	ctx.restore();\
7653	schaersvoo	5287	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5288
7614	schaersvoo	5289	break;
		5290	case DRAW_ARCS:
		5291	fprintf(js_include_file,"\n<!-- draw arcs -->\n\
		5292	draw_arc = function(canvas_type,xc,yc,r,start,end,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
		5293	var obj;\
		5294	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5295	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5296	}\
		5297	else\
		5298	{\
		5299	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5300	};\
		5301	var ctx = obj.getContext(\"2d\");\
		5302	ctx.save();\
		5303	if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		5304	if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
		5305	if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		5306	if(end < start){var tmp = end;end = start;start=tmp;};\
		5307	start=360-start;\
		5308	end=360-end;\
		5309	ctx.lineWidth = line_width;\
		5310	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5311	if( use_filled == 1 ){\
		5312	ctx.beginPath();\
		5313	ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		5314	var x1 = xc + rMath.cos(Math.PIstart/180);\
		5315	var y1 = yc + rMath.sin(Math.PIstart/180);\
		5316	var x2 = xc + rMath.cos(Math.PIend/180);\
		5317	var y2 = yc + rMath.sin(Math.PIend/180);\
		5318	ctx.beginPath();\
		5319	ctx.moveTo(x1,y1);\
		5320	ctx.lineTo(xc,yc);\
		5321	ctx.moveTo(xc,yc);\
		5322	ctx.lineTo(x2,y2);\
		5323	ctx.closePath();\
		5324	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5325	ctx.fill();\
		5326	ctx.stroke();\
		5327	}\
		5328	else\
		5329	{\
		5330	ctx.beginPath();\
		5331	ctx.arc(xc, yc, r, start(Math.PI / 180), end(Math.PI / 180),true);\
		5332	ctx.stroke();\
		5333	ctx.closePath();\
		5334	}\
		5335	ctx.restore();\
7653	schaersvoo	5336	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5337
7614	schaersvoo	5338	break;
		5339	case DRAW_TEXTS:
		5340	fprintf(js_include_file,"\n<!-- draw text -->\n\
		5341	draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
		5342	var obj;\
		5343	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5344	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5345	}\
		5346	else\
		5347	{\
		5348	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5349	};\
		5350	var ctx = obj.getContext(\"2d\");\
		5351	if(angle2 == 0 && angle != 0){\
		5352	ctx.save();\
		5353	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5354	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5355	};\
		5356	if( font_family.indexOf('px') != null ){\
		5357	ctx.font = font_family;\
		5358	}\
		5359	else\
		5360	{\
		5361	ctx.font = \"+font_size+'px '+font_family \";\
		5362	};\
		5363	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5364	if(angle2 != 0){\
		5365	ctx.save();\
		5366	ctx.translate(x,y);\
		5367	ctx.rotate((360-angle2)*(Math.PI / 180));\
		5368	ctx.fillText(text,0,0);\
		5369	ctx.restore();\
		5370	}else{ctx.fillText(text,x,y);};\
		5371	ctx.restore();\
		5372	return;\
7653	schaersvoo	5373	};",canvas_root_id,canvas_root_id,canvas_root_id);
7856	schaersvoo	5374
7614	schaersvoo	5375	break;
		5376	case DRAW_CURVE:
		5377	fprintf(js_include_file,"\n<!-- draw curve -->\n\
		5378	draw_curve = function(canvas_type,type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
		5379	var obj;\
		5380	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5381	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5382	}\
		5383	else\
		5384	{\
		5385	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5386	};\
		5387	var ctx = obj.getContext(\"2d\");\
		5388	ctx.save();\
		5389	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5390	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5391	ctx.beginPath();ctx.lineWidth = line_width;\
		5392	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		5393	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5394	ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
		5395	for(var p = 1 ; p < x_points.length ; p++){\
		5396	if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
		5397	ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
		5398	}\
		5399	else\
		5400	{\
		5401	ctx.stroke();\
		5402	ctx.beginPath();\
		5403	p++;\
		5404	ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
		5405	};\
		5406	};\
		5407	ctx.stroke();\
		5408	ctx.restore();\
7653	schaersvoo	5409	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5410	break;
7856	schaersvoo	5411
7614	schaersvoo	5412	case DRAW_INPUTS:
		5413	fprintf(js_include_file,"\n<!-- draw input fields -->\n\
		5414	draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
		5415	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5416	var input = document.createElement(\"input\");\
		5417	input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5418	input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5419	input.setAttribute(\"size\",size);\
		5420	input.setAttribute(\"value\",value);\
		5421	if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653	schaersvoo	5422	canvas_div.appendChild(input);};");
7614	schaersvoo	5423	break;
7856	schaersvoo	5424
7614	schaersvoo	5425	case DRAW_TEXTAREAS:
		5426	fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
		5427	draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
		5428	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		5429	var textarea = document.createElement(\"textarea\");\
		5430	textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
		5431	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		5432	textarea.setAttribute(\"cols\",cols);\
		5433	textarea.setAttribute(\"rows\",rows);\
		5434	textarea.innerHTML = value;\
7653	schaersvoo	5435	canvas_div.appendChild(textarea);};");
7614	schaersvoo	5436	break;
7856	schaersvoo	5437
7614	schaersvoo	5438	case DRAW_PIXELS:
		5439	fprintf(js_include_file,"\n<!-- draw pixel -->\n\
		5440	draw_setpixel = function(x,y,color,opacity,pixelsize){\
		5441	var canvas = create_canvas%d(10,xsize,ysize);\
		5442	var d = 0.5*pixelsize;\
		5443	var ctx = canvas.getContext(\"2d\");\
		5444	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		5445	ctx.clearRect(0,0,xsize,ysize);\
		5446	for(var p=0; p<x.length;p++){\
		5447	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		5448	};\
		5449	ctx.fill();ctx.stroke();\
		5450	};",canvas_root_id);
		5451	break;
		5452
		5453	case DRAW_CLOCK:
		5454	fprintf(js_include_file,"\n<!-- begin command clock -->\n\
		5455	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		5456	var clock_ctx = clock_canvas.getContext(\"2d\");\
		5457	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		5458	clock_ctx.save();\
		5459	this.type = type \|\| 0;\
		5460	this.interaction = interaction \|\| 0;\
		5461	this.H = H \|\| parseInt(110*(Math.random()));\
		5462	this.M = M \|\| parseInt(590*(Math.random()));\
		5463	this.S = S \|\| parseInt(590*(Math.random()));\
		5464	this.xc = xc \|\| xsize/2;\
		5465	this.yc = yc \|\| ysize/2;\
		5466	this.radius = radius \|\| xsize/4;\
		5467	var font_size = parseInt(0.2*this.radius);\
		5468	this.H_color = h_color \|\| \"blue\";\
		5469	this.M_color = m_color \|\| \"blue\";\
		5470	this.S_color = s_color \|\| \"blue\";\
		5471	this.fg_color = fg_color \|\| \"red\";\
		5472	this.bg_color = bg_color \|\| \"white\";\
		5473	clock_ctx.translate(this.xc,this.yc);\
		5474	clock_ctx.beginPath();\
		5475	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		5476	clock_ctx.fillStyle = this.bg_color;\
		5477	clock_ctx.fill();\
		5478	clock_ctx.closePath();\
		5479	clock_ctx.beginPath();\
		5480	clock_ctx.font = font_size+\"px Arial\";\
		5481	clock_ctx.fillStyle = this.fg_color;\
		5482	clock_ctx.textAlign = \"center\";\
		5483	clock_ctx.textBaseline = 'middle';\
		5484	var angle;var x1,y1,x2,y2;\
		5485	var angle_cos;var angle_sin;\
		5486	switch(type){\
		5487	case 0:clock_ctx.beginPath();\
		5488	for(var p = 1; p <= 12 ; p++){\
		5489	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5490	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5491	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5492	clock_ctx.moveTo(x1,y1);\
		5493	clock_ctx.lineTo(x2,y2);\
		5494	};\
		5495	for(var p = 1; p <= 60 ; p++){\
		5496	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5497	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5498	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5499	clock_ctx.moveTo(x1,y1);\
		5500	clock_ctx.lineTo(x2,y2);\
		5501	};\
		5502	clock_ctx.closePath();\
		5503	clock_ctx.stroke();\
		5504	break;\
		5505	case 1:\
		5506	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;\
		5507	case 2:for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 1.1this.radiusMath.cos(angle);y1 = 1.1this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
		5508	clock_ctx.beginPath();\
		5509	for(var p = 1; p <= 12 ; p++){\
		5510	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		5511	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		5512	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5513	clock_ctx.moveTo(x1,y1);\
		5514	clock_ctx.lineTo(x2,y2);\
		5515	};\
		5516	for(var p = 1; p <= 60 ; p++){\
		5517	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		5518	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		5519	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		5520	clock_ctx.moveTo(x1,y1);\
		5521	clock_ctx.lineTo(x2,y2);\
		5522	};\
		5523	clock_ctx.closePath();\
		5524	clock_ctx.stroke();\
		5525	break;\
		5526	};\
		5527	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		5528	clock_ctx.rotate(angle);\
		5529	clock_ctx.beginPath();\
		5530	clock_ctx.moveTo(-3, -2);\
		5531	clock_ctx.lineTo(-3, 2);\
		5532	clock_ctx.lineTo(this.radius * 0.7, 1);\
		5533	clock_ctx.lineTo(this.radius * 0.7, -1);\
		5534	clock_ctx.fillStyle = this.H_color;\
		5535	clock_ctx.fill();\
		5536	clock_ctx.rotate(-angle);\
		5537	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		5538	clock_ctx.rotate(angle);\
		5539	clock_ctx.beginPath();\
		5540	clock_ctx.moveTo(-3, -2);\
		5541	clock_ctx.lineTo(-3, 2);\
		5542	clock_ctx.lineTo(this.radius * 0.8, 1);\
		5543	clock_ctx.lineTo(this.radius * 0.8, -1);\
		5544	clock_ctx.fillStyle = this.M_color;\
		5545	clock_ctx.fill();\
		5546	clock_ctx.rotate(-angle);\
		5547	angle = (this.S - 15) * 2 * Math.PI / 60;\
		5548	clock_ctx.rotate(angle);\
		5549	clock_ctx.beginPath();\
		5550	clock_ctx.moveTo(0,0);\
		5551	clock_ctx.lineTo(this.radius * 0.95, 0);\
		5552	clock_ctx.lineTo(this.radius * 0.9, -1);\
		5553	clock_ctx.strokeStyle = this.S_color;\
		5554	clock_ctx.stroke();\
		5555	clock_ctx.restore();\
7653	schaersvoo	5556	};",canvas_root_id,CLOCK_CANVAS);
7614	schaersvoo	5557	break;
		5558
		5559	case DRAW_LATTICE:
		5560	fprintf(js_include_file,"\n<!-- draw lattice -->\n\
		5561	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_translate,vector){\
		5562	var obj;\
		5563	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		5564	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		5565	}\
		5566	else\
		5567	{\
		5568	obj = create_canvas%d(canvas_type,xsize,ysize);\
		5569	};\
		5570	var ctx = obj.getContext(\"2d\");\
		5571	ctx.save();\
		5572	if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
		5573	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		5574	ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5575	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		5576	var radius = line_width;\
		5577	var x = 0;\
		5578	var y = 0;\
		5579	var x_step_px = xsize/(xmax-xmin);\
		5580	var y_step_px = ysize/(ymax-ymin);\
		5581	var xv1 = dx1*x_step_px;\
		5582	var yv1 = dy1*y_step_px;\
		5583	var xv2 = dx2*x_step_px;\
		5584	var yv2 = dy2*y_step_px;\
		5585	for(var p = 0; p < n1 ;p++){\
		5586	x = p*xv1 + x0;\
		5587	y = p*yv1 + y0;\
		5588	for(var c = 0; c < n2 ; c++){\
		5589	ctx.beginPath();\
		5590	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		5591	ctx.fill();\
		5592	ctx.stroke();\
		5593	ctx.closePath();\
		5594	};\
		5595	};\
		5596	ctx.restore();\
		5597	return;\
7653	schaersvoo	5598	};",canvas_root_id,canvas_root_id,canvas_root_id);
7614	schaersvoo	5599	break;
7735	schaersvoo	5600	case DRAW_XYLOGSCALE:
		5601	fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779	schaersvoo	5602	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){\n\
7735	schaersvoo	5603	var obj;\n\
		5604	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5605	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5606	}\n\
		5607	else\n\
		5608	{\n\
		5609	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5610	};\n\
		5611	var ctx = obj.getContext(\"2d\");\n\
		5612	ctx.clearRect(0,0,xsize,ysize);\
		5613	ctx.save();\n\
7739	schaersvoo	5614	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		5615	var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
		5616	var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
		5617	var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
		5618	var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
		5619	if(use_axis_numbering == 1){\
		5620	ctx.font = font_family;\n\
		5621	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
		5622	ymarge = parseInt(1.5*font_size);\n\
		5623	ctx.save();\n\
		5624	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5625	ctx.rect(0,0,xmarge,ysize);\n\
		5626	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5627	ctx.fill();\n\
		5628	ctx.restore();\n\
		5629	}else{xmarge = 0;ymarge = 0;};\n\
7735	schaersvoo	5630	if( typeof xaxislabel !== 'undefined' ){\
7739	schaersvoo	5631	ctx.save();\n\
		5632	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5633	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5634	corr = ctx.measureText(xaxislabel).width;\n\
		5635	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5636	ctx.restore();\n\
		5637	};\n\
7735	schaersvoo	5638	if( typeof yaxislabel !== 'undefined' ){\
7739	schaersvoo	5639	ctx.save();\n\
		5640	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5641	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5642	corr = ctx.measureText(yaxislabel).width;\n\
		5643	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5644	ctx.rotate(-0.5*Math.PI);\n\
		5645	ctx.fillText(yaxislabel,0,0);\n\
		5646	ctx.restore();\n\
		5647	};\n\
		5648	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5649	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5650	for(var p = x_min; p <= x_max ; p++){\n\
7739	schaersvoo	5651	num = Math.pow(xlogbase,p);\n\n\
7735	schaersvoo	5652	for(var i = 1 ; i < xlogbase ; i++){\n\
7739	schaersvoo	5653	x_e = x2px(i*num);\n\n\
7735	schaersvoo	5654	if( i == 1 ){\
7739	schaersvoo	5655	ctx.lineWidth = line_width;\n\n\
		5656	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738	schaersvoo	5657	if( use_axis_numbering == 1 && p > x_min){\
7739	schaersvoo	5658	xtxt = xlogbase+'^'+p.toFixed(0);\n\
		5659	corr = 0.5*(ctx.measureText(xtxt).width);\n\
		5660	ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
		5661	};\n\
7735	schaersvoo	5662	}else{\
7739	schaersvoo	5663	ctx.lineWidth = 0.2*line_width;\n\n\
		5664	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5665	};\n\
7738	schaersvoo	5666	if( x_e >= xmarge ){\
		5667	ctx.beginPath();\n\
		5668	ctx.moveTo(x_e,0);\n\
7739	schaersvoo	5669	ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738	schaersvoo	5670	ctx.stroke();\n\
		5671	ctx.closePath();\n\
		5672	};\
7735	schaersvoo	5673	};\n\
		5674	};\n\
		5675	for(var p = y_min; p <= y_max ; p++){\n\
		5676	num = Math.pow(ylogbase,p);\n\
		5677	for(var i = 1 ; i < ylogbase ; i++){\n\
		5678	y_e = y2px(i*num);\n\
7739	schaersvoo	5679	if( i == 1 ){\n\
7735	schaersvoo	5680	ctx.lineWidth = line_width;\n\
		5681	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5682	if( use_axis_numbering == 1 && p > y_min){\n\
		5683	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
		5684	};\n\
		5685	}else{\n\
7735	schaersvoo	5686	ctx.lineWidth = 0.2*line_width;\n\
7739	schaersvoo	5687	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
		5688	};\n\
7735	schaersvoo	5689	ctx.beginPath();\n\
7738	schaersvoo	5690	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5691	ctx.lineTo(xsize,y_e);\n\
		5692	ctx.stroke();\n\
		5693	ctx.closePath();\n\
		5694	};\n\
		5695	};\n\
		5696	ctx.restore();\
		5697	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5698	break;
7614	schaersvoo	5699
7735	schaersvoo	5700	case DRAW_XLOGSCALE:
		5701	fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779	schaersvoo	5702	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){\n\
7735	schaersvoo	5703	var obj;\n\
		5704	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5705	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5706	}\n\
		5707	else\n\
		5708	{\n\
		5709	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5710	};\n\
		5711	var ctx = obj.getContext(\"2d\");\n\
		5712	ctx.clearRect(0,0,xsize,ysize);\
		5713	ctx.save();\n\
		5714	ctx.lineWidth = line_width;\n\
7739	schaersvoo	5715	var prec = Math.log(precision)/Math.log(10);\
7735	schaersvoo	5716	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		5717	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		5718	var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739	schaersvoo	5719	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		5720	if(use_axis_numbering == 1){\
		5721	ctx.font = font_family;\n\
		5722	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
		5723	ymarge = parseInt(1.5*font_size);\n\
		5724	ctx.save();\n\
		5725	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5726	ctx.rect(0,0,xmarge,ysize);\n\
		5727	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5728	ctx.fill();\n\
		5729	ctx.restore();\n\
		5730	}else{xmarge = 0;ymarge = 0;};\n\
		5731	if( typeof xaxislabel !== 'undefined' ){\
		5732	ctx.save();\n\
		5733	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5734	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5735	corr = ctx.measureText(xaxislabel).width;\n\
		5736	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5737	ctx.restore();\n\
		5738	};\n\
		5739	if( typeof yaxislabel !== 'undefined' ){\
		5740	ctx.save();\n\
		5741	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5742	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5743	corr = ctx.measureText(yaxislabel).width;\n\
		5744	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5745	ctx.rotate(-0.5*Math.PI);\n\
		5746	ctx.fillText(yaxislabel,0,0);\n\
		5747	ctx.restore();\n\
		5748	};\n\
		5749	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5750	ctx.lineWidth = line_width;\n\n\
7735	schaersvoo	5751	for(var p = x_min; p <= x_max ; p++){\n\
		5752	num = Math.pow(xlogbase,p);\n\
		5753	for(var i = 1 ; i < xlogbase ; i++){\n\
		5754	x_e = x2px(i*num);\n\
		5755	if( i == 1 ){\
7739	schaersvoo	5756	ctx.lineWidth = line_width;\n\
		5757	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5758	if( use_axis_numbering == 1 && p > x_min ){\
7735	schaersvoo	5759	xtxt = xlogbase+'^'+p.toFixed(0);\
		5760	corr = 0.5*(ctx.measureText(xtxt).width);\
		5761	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		5762	};\
		5763	}else{\
		5764	ctx.lineWidth = 0.2*line_width;\n\
		5765	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5766	};\
7739	schaersvoo	5767	if( x_e >= xmarge ){\
		5768	ctx.beginPath();\n\
		5769	ctx.moveTo(x_e,0);\n\
		5770	ctx.lineTo(x_e,ysize - ymarge);\n\n\
		5771	ctx.stroke();\n\
		5772	ctx.closePath();\n\
		5773	};\
		5774	};\
7735	schaersvoo	5775	};\n\
		5776	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		5777	var minor_step = stepy / yminor;\
7749	schaersvoo	5778	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735	schaersvoo	5779	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5780	ctx.lineWidth = line_width;\n\
		5781	ctx.beginPath();\n\
7739	schaersvoo	5782	ctx.moveTo(xmarge,y);\n\
7735	schaersvoo	5783	ctx.lineTo(xsize,y);\n\
		5784	ctx.stroke();\n\
		5785	ctx.closePath();\n\
		5786	if( use_axis_numbering == 1){\
		5787	ytxt = (px2y(y)).toFixed(prec);\
		5788	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		5789	};\
		5790	for(var dy = 1 ; dy < yminor ; dy++){\
		5791	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5792	ctx.lineWidth = 0.2*line_width;\n\
		5793	ctx.beginPath();\n\
7739	schaersvoo	5794	ctx.moveTo(xmarge,y+dy*minor_step);\
7735	schaersvoo	5795	ctx.lineTo(xsize,y+dy*minor_step);\n\
		5796	ctx.stroke();\n\
		5797	ctx.closePath();\n\
		5798	};\
		5799	};\
		5800	ctx.restore();\n\
		5801	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5802	break;
7729	schaersvoo	5803	case DRAW_YLOGSCALE:
		5804	fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779	schaersvoo	5805	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){\n\
7729	schaersvoo	5806	var obj;\n\
		5807	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
		5808	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
		5809	}\n\
		5810	else\n\
		5811	{\n\
		5812	obj = create_canvas%d(canvas_type,xsize,ysize);\n\
		5813	};\n\
		5814	var ctx = obj.getContext(\"2d\");\n\
		5815	ctx.clearRect(0,0,xsize,ysize);\
		5816	ctx.save();\n\
		5817	ctx.lineWidth = line_width;\n\
7735	schaersvoo	5818	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		5819	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		5820	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739	schaersvoo	5821	if(use_axis_numbering == 1){\
		5822	ctx.font = font_family;\n\
		5823	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
		5824	ymarge = 2*font_size;\n\
		5825	ctx.save();\n\
		5826	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
		5827	ctx.rect(0,0,xmarge,ysize);\n\
		5828	ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
		5829	ctx.fill();\n\
		5830	ctx.restore();\n\
		5831	}else{xmarge = 0;ymarge = 0;};\n\
		5832	if( typeof xaxislabel !== 'undefined' ){\
		5833	ctx.save();\n\
		5834	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5835	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5836	corr = ctx.measureText(xaxislabel).width;\n\
		5837	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\n\
		5838	ctx.restore();\n\
		5839	};\n\
		5840	if( typeof yaxislabel !== 'undefined' ){\
		5841	ctx.save();\n\
		5842	ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
		5843	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5844	corr = ctx.measureText(yaxislabel).width;\n\
		5845	ctx.translate(xmarge+font_size,corr+font_size);\n\
		5846	ctx.rotate(-0.5*Math.PI);\n\
		5847	ctx.fillText(yaxislabel,0,0);\n\
		5848	ctx.restore();\n\
		5849	};\n\
		5850	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
		5851	ctx.lineWidth = line_width;\n\n\
7729	schaersvoo	5852	for(var p = y_min; p <= y_max ; p++){\n\
7735	schaersvoo	5853	num = Math.pow(ylogbase,p);\n\
		5854	for(var i = 1 ; i < ylogbase ; i++){\n\
7729	schaersvoo	5855	y_e = y2px(i*num);\n\
		5856	if( i == 1 ){\
		5857	ctx.lineWidth = line_width;\n\
		5858	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739	schaersvoo	5859	if( use_axis_numbering == 1 && p > y_min){\
7735	schaersvoo	5860	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729	schaersvoo	5861	};\
		5862	}else{\
		5863	ctx.lineWidth = 0.2*line_width;\n\
		5864	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5865	};\
		5866	ctx.beginPath();\n\
7739	schaersvoo	5867	ctx.moveTo(xmarge,y_e);\n\
7735	schaersvoo	5868	ctx.lineTo(xsize,y_e);\n\
7729	schaersvoo	5869	ctx.stroke();\n\
		5870	ctx.closePath();\n\
		5871	};\n\
		5872	};\n\
		5873	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		5874	var minor_step = stepx / xminor;\
		5875	var prec = Math.log(precision)/Math.log(10);\
		5876	var xtxt;var corr;var flip = 0;\
7749	schaersvoo	5877	for(var x = stepx ; x < xsize ; x = x + stepx){\
7729	schaersvoo	5878	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		5879	ctx.lineWidth = line_width;\n\
		5880	ctx.beginPath();\n\
7739	schaersvoo	5881	ctx.moveTo(x,ysize-ymarge);\n\
7729	schaersvoo	5882	ctx.lineTo(x,0);\n\
		5883	ctx.stroke();\n\
		5884	ctx.closePath();\n\
		5885	if( use_axis_numbering == 1){\
		5886	xtxt = (px2x(x)).toFixed(prec);\
		5887	corr = 0.5*(ctx.measureText(xtxt).width);\
		5888	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		5889	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		5890	};\
		5891	for(var dx = 1 ; dx < xminor ; dx++){\
		5892	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		5893	ctx.lineWidth = 0.2*line_width;\n\
		5894	ctx.beginPath();\n\
7739	schaersvoo	5895	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729	schaersvoo	5896	ctx.lineTo(x+dx*minor_step,0);\n\
		5897	ctx.stroke();\n\
		5898	ctx.closePath();\n\
7735	schaersvoo	5899	};\
		5900	};\
7729	schaersvoo	5901	ctx.restore();\n\
		5902	};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		5903
		5904	break;
7735	schaersvoo	5905
		5906
7614	schaersvoo	5907	default:break;
		5908	}
		5909	}
		5910	}
		5911	return;
		5912	}
		5913
		5914	void check_string_length(int L){
		5915	if(L<1 \|\| L > MAX_BUFFER-1){
		5916	canvas_error("problem with your arguments to command...");
		5917	}
		5918	return;
		5919	}
		5920
		5921
		5922	int get_token(FILE *infile){
		5923	int c,i=0;
		5924	char temp[MAX_INT], *input_type;
		5925	char *line="line",
		5926	*audio="audio",
		5927	*blink="blink",
		5928	*arrowhead="arrowhead",
		5929	*crosshairsize="crosshairsize",
		5930	*crosshair="crosshair",
		5931	*crosshairs="crosshairs",
		5932	*audioobject="audioobject",
		5933	*style="style",
		5934	*mouse="mouse",
		5935	*userdraw="userdraw",
		5936	*highlight="highlight",
		5937	*http="http",
		5938	*rays="rays",
		5939	*dashtype="dashtype",
		5940	*dashed="dashed",
		5941	*filled="filled",
		5942	*lattice="lattice",
		5943	*parallel="parallel",
		5944	*segment="segment",
		5945	*dsegment="dsegment",
		5946	*seg="seg",
		5947	*bgimage="bgimage",
		5948	*bgcolor="bgcolor",
		5949	*strokecolor="strokecolor",
		5950	*backgroundimage="backgroundimage",
		5951	*text="text",
		5952	*textup="textup",
		5953	*mouseprecision="mouseprecision",
		5954	*precision="precision",
		5955	*plotsteps="plotsteps",
		5956	*plotstep="plotstep",
		5957	*tsteps="tsteps",
		5958	*curve="curve",
		5959	*dcurve="dcurve",
		5960	*plot="plot",
		5961	*dplot="dplot",
7788	schaersvoo	5962	*levelcurve="levelcurve",
7614	schaersvoo	5963	*fontsize="fontsize",
		5964	*fontcolor="fontcolor",
		5965	*axis="axis",
		5966	*axisnumbering="axisnumbering",
		5967	*axisnumbers="axisnumbers",
		5968	*arrow="arrow",
		5969	*darrow="darrow",
		5970	*arrow2="arrow2",
		5971	*darrow2="darrow2",
		5972	*zoom="zoom",
		5973	*grid="grid",
		5974	*hline="hline",
7786	schaersvoo	5975	*dhline="dhline",
7614	schaersvoo	5976	*drag="drag",
		5977	*horizontalline="horizontalline",
		5978	*vline="vline",
7786	schaersvoo	5979	*dvline="dvline",
7614	schaersvoo	5980	*verticalline="verticalline",
		5981	*triangle="triangle",
		5982	*ftriangle="ftriangle",
		5983	*mathml="mathml",
		5984	*html="html",
		5985	*input="input",
		5986	*button="button",
		5987	*inputstyle="inputstyle",
		5988	*textarea="textarea",
		5989	*trange="trange",
		5990	*ranget="ranget",
		5991	*xrange="xrange",
		5992	*yrange="yrange",
		5993	*rangex="rangex",
		5994	*rangey="rangey",
		5995	*polyline="polyline",
		5996	*lines="lines",
		5997	*poly="poly",
		5998	*polygon="polygon",
		5999	*fpolygon="fpolygon",
		6000	*fpoly="fpoly",
		6001	*filledpoly="filledpoly",
		6002	*filledpolygon="filledpolygon",
		6003	*rect="rect",
		6004	*frect="frect",
		6005	*rectangle="rectangle",
		6006	*frectangle="frectangle",
		6007	*square="square",
		6008	*fsquare="fsquare",
		6009	*dline="dline",
		6010	*arc="arc",
		6011	*filledarc="filledarc",
		6012	*size="size",
		6013	*string="string",
		6014	*stringup="stringup",
		6015	*copy="copy",
		6016	*copyresized="copyresized",
		6017	*opacity="opacity",
		6018	*transparent="transparent",
		6019	*fill="fill",
		6020	*slider="slider",
		6021	*point="point",
		6022	*points="points",
		6023	*linewidth="linewidth",
		6024	*circle="circle",
		6025	*fcircle="fcircle",
		6026	*disk="disk",
		6027	*comment="#",
		6028	*end="end",
		6029	*ellipse="ellipse",
		6030	*fellipse="fellipse",
		6031	*rotate="rotate",
7785	schaersvoo	6032	*affine="affine",
		6033	*killaffine="killaffine",
7614	schaersvoo	6034	*fontfamily="fontfamily",
		6035	*fillcolor="fillcolor",
		6036	*clicktile="clicktile",
		6037	*clicktile_colors="clicktile_colors",
		6038	*translation="translation",
		6039	*translate="translate",
		6040	*killtranslation="killtranslation",
		6041	*killtranslate="killtranslate",
		6042	*onclick="onclick",
		6043	*roundrect="roundrect",
		6044	*froundrect="froundrect",
		6045	*roundrectangle="roundrectangle",
		6046	*patternfill="patternfill",
		6047	*hatchfill="hatchfill",
		6048	*diafill="diafill",
7647	schaersvoo	6049	*diamondfill="diamondfill",
7614	schaersvoo	6050	*dotfill="dotfill",
		6051	*gridfill="gridfill",
		6052	*imagefill="imagefill",
7735	schaersvoo	6053	*xlogbase="xlogbase",
		6054	*ylogbase="ylogbase",
7614	schaersvoo	6055	*xlogscale="xlogscale",
		6056	*ylogscale="ylogscale",
		6057	*xylogscale="xylogscale",
		6058	*intooltip="intooltip",
		6059	*replyformat="replyformat",
		6060	*floodfill="floodfill",
		6061	*filltoborder="filltoborder",
		6062	*clickfill="clickfill",
		6063	*setpixel="setpixel",
		6064	*pixels="pixels",
		6065	*pixelsize="pixelsize",
		6066	*clickfillmarge="clickfillmarge",
		6067	*xaxis="xaxis",
		6068	*yaxis="yaxis",
		6069	*xaxistext="xaxistext",
		6070	*yaxistext="yaxistext",
		6071	*piechart="piechart",
		6072	*legend="legend",
		6073	*legendcolors="legendcolors",
		6074	*xlabel="xlabel",
		6075	*ylabel="ylabel",
		6076	*barchart="barchart",
		6077	*linegraph="linegraph",
		6078	*clock="clock",
		6079	*animate="animate",
		6080	*video="video",
		6081	*status="status",
7652	schaersvoo	6082	*snaptogrid="snaptogrid",
7784	schaersvoo	6083	*xsnaptogrid="xsnaptogrid",
		6084	*ysnaptogrid="ysnaptogrid",
7654	schaersvoo	6085	*userinput_xy="userinput_xy",
7663	schaersvoo	6086	*usertextarea_xy="usertextarea_xy",
7823	schaersvoo	6087	*jsmath="jsmath",
		6088	*trace_jsmath="trace_jsmath",
7838	schaersvoo	6089	*setlimits="setlimits",
7654	schaersvoo	6090	*sgraph="sgraph";
7614	schaersvoo	6091
		6092	while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
		6093	if( i == 0 && (c == ' ' \|\| c == '\t') ){
		6094	continue; /* white spaces or tabs allowed before first command identifier */
		6095	}
		6096	else
		6097	{
		6098	if( c == ' ' \|\| c == '\t' ){
		6099	break;
		6100	}
		6101	else
		6102	{
		6103	temp[i] = c;
		6104	if(i > MAX_INT - 2){canvas_error("command string too long !");}
		6105	i++;
		6106	}
		6107	}
		6108	if(temp[0] == '#') break;
		6109	}
		6110	if (c == EOF) finished = 1;
		6111
		6112	if (c == '\n' \|\| c == '\r') {
		6113	line_number++;
		6114	if (i == 0) { return EMPTY; }
		6115	} else if (c == EOF) {
		6116	return 0;
		6117	}
		6118
		6119	temp[i]='\0';
		6120	input_type=(char*)my_newmem(strlen(temp));
		6121	snprintf(input_type,sizeof(temp),"%s",temp);
		6122
		6123	if( strcmp(input_type, size) == 0 ){
		6124	free(input_type);
		6125	return SIZE;
		6126	}
		6127	if( strcmp(input_type, xrange) == 0 ){
		6128	free(input_type);
		6129	return XRANGE;
		6130	}
		6131	if( strcmp(input_type, rangex) == 0 ){
		6132	free(input_type);
		6133	return XRANGE;
		6134	}
		6135	if( strcmp(input_type, trange) == 0 ){
		6136	free(input_type);
		6137	return TRANGE;
		6138	}
		6139	if( strcmp(input_type, ranget) == 0 ){
		6140	free(input_type);
		6141	return TRANGE;
		6142	}
		6143	if( strcmp(input_type, yrange) == 0 ){
		6144	free(input_type);
		6145	return YRANGE;
		6146	}
		6147	if( strcmp(input_type, rangey) == 0 ){
		6148	free(input_type);
		6149	return YRANGE;
		6150	}
		6151	if( strcmp(input_type, linewidth) == 0 ){
		6152	free(input_type);
		6153	return LINEWIDTH;
		6154	}
		6155	if( strcmp(input_type, dashed) == 0 ){
		6156	free(input_type);
		6157	return DASHED;
		6158	}
		6159	if( strcmp(input_type, dashtype) == 0 ){
		6160	free(input_type);
		6161	return DASHTYPE;
		6162	}
		6163	if( strcmp(input_type, axisnumbering) == 0 ){
		6164	free(input_type);
		6165	return AXIS_NUMBERING;
		6166	}
		6167	if( strcmp(input_type, axisnumbers) == 0 ){
		6168	free(input_type);
		6169	return AXIS_NUMBERING;
		6170	}
		6171	if( strcmp(input_type, axis) == 0 ){
		6172	free(input_type);
		6173	return AXIS;
		6174	}
		6175	if( strcmp(input_type, grid) == 0 ){
		6176	free(input_type);
		6177	return GRID;
		6178	}
		6179	if( strcmp(input_type, parallel) == 0 ){
		6180	free(input_type);
		6181	return PARALLEL;
		6182	}
		6183	if( strcmp(input_type, hline) == 0 \|\| strcmp(input_type, horizontalline) == 0 ){
		6184	free(input_type);
		6185	return HLINE;
		6186	}
		6187	if( strcmp(input_type, vline) == 0 \|\| strcmp(input_type, verticalline) == 0 ){
		6188	free(input_type);
		6189	return VLINE;
		6190	}
		6191	if( strcmp(input_type, line) == 0 ){
		6192	free(input_type);
		6193	return LINE;
		6194	}
		6195	if( strcmp(input_type, seg) == 0 \|\| strcmp(input_type, segment) == 0 ){
		6196	free(input_type);
		6197	return SEGMENT;
		6198	}
		6199	if( strcmp(input_type, dsegment) == 0 ){
		6200	free(input_type);
		6201	use_dashed = TRUE;
		6202	return SEGMENT;
		6203	}
		6204	if( strcmp(input_type, crosshairsize) == 0 ){
		6205	free(input_type);
		6206	return CROSSHAIRSIZE;
		6207	}
		6208	if( strcmp(input_type, arrowhead) == 0 ){
		6209	free(input_type);
		6210	return ARROWHEAD;
		6211	}
		6212	if( strcmp(input_type, crosshairs) == 0 ){
		6213	free(input_type);
		6214	return CROSSHAIRS;
		6215	}
		6216	if( strcmp(input_type, crosshair) == 0 ){
		6217	free(input_type);
		6218	return CROSSHAIR;
		6219	}
		6220	if( strcmp(input_type, onclick) == 0 ){
		6221	free(input_type);
		6222	return ONCLICK;
		6223	}
		6224	if( strcmp(input_type, drag) == 0 ){
		6225	free(input_type);
		6226	return DRAG;
		6227	}
		6228	if( strcmp(input_type, userdraw) == 0 ){
		6229	free(input_type);
		6230	return USERDRAW;
		6231	}
		6232	if( strcmp(input_type, highlight) == 0 \|\| strcmp(input_type, style) == 0 ){
		6233	free(input_type);
		6234	return STYLE;
		6235	}
		6236	if( strcmp(input_type, fillcolor) == 0 ){
		6237	free(input_type);
		6238	return FILLCOLOR;
		6239	}
		6240	if( strcmp(input_type, strokecolor) == 0 ){
		6241	free(input_type);
		6242	return STROKECOLOR;
		6243	}
		6244	if( strcmp(input_type, filled) == 0 ){
		6245	free(input_type);
		6246	return FILLED;
		6247	}
		6248	if( strcmp(input_type, http) == 0 ){
		6249	free(input_type);
		6250	return HTTP;
		6251	}
		6252	if( strcmp(input_type, rays) == 0 ){
		6253	free(input_type);
		6254	return RAYS;
		6255	}
		6256	if( strcmp(input_type, lattice) == 0 ){
		6257	free(input_type);
		6258	return LATTICE;
		6259	}
		6260	if( strcmp(input_type, bgimage) == 0 ){
		6261	free(input_type);
		6262	return BGIMAGE;
		6263	}
		6264	if( strcmp(input_type, bgcolor) == 0 ){
		6265	free(input_type);
		6266	return BGCOLOR;
		6267	}
		6268	if( strcmp(input_type, backgroundimage) == 0 ){
		6269	free(input_type);
		6270	return BGIMAGE;
		6271	}
		6272	if( strcmp(input_type, text) == 0 ){
		6273	free(input_type);
		6274	return FLY_TEXT;
		6275	}
		6276	if( strcmp(input_type, textup) == 0 ){
		6277	free(input_type);
		6278	return FLY_TEXTUP;
		6279	}
		6280	if( strcmp(input_type, mouse) == 0 ){
		6281	free(input_type);
		6282	return MOUSE;
		6283	}
		6284	if( strcmp(input_type, mouseprecision) == 0 ){
		6285	free(input_type);
		6286	return MOUSE_PRECISION;
		6287	}
		6288	if( strcmp(input_type, precision) == 0 ){
		6289	free(input_type);
		6290	return MOUSE_PRECISION;
		6291	}
		6292	if( strcmp(input_type, curve) == 0 ){
		6293	free(input_type);
		6294	return CURVE;
		6295	}
		6296	if( strcmp(input_type, dcurve) == 0 ){
7788	schaersvoo	6297	use_dashed = TRUE;
7614	schaersvoo	6298	free(input_type);
		6299	return CURVE;
		6300	}
		6301	if( strcmp(input_type, plot) == 0 ){
		6302	free(input_type);
		6303	return CURVE;
		6304	}
		6305	if( strcmp(input_type, dplot) == 0 ){
7788	schaersvoo	6306	use_dashed = TRUE;
7614	schaersvoo	6307	free(input_type);
		6308	return CURVE;
		6309	}
7788	schaersvoo	6310	if( strcmp(input_type, levelcurve) == 0 ){
		6311	free(input_type);
		6312	return LEVELCURVE;
		6313	}
7614	schaersvoo	6314	if( strcmp(input_type, plotsteps) == 0 ){
		6315	free(input_type);
		6316	return PLOTSTEPS;
		6317	}
		6318	if( strcmp(input_type, plotstep) == 0 ){
		6319	free(input_type);
		6320	return PLOTSTEPS;
		6321	}
		6322	if( strcmp(input_type, tsteps) == 0 ){
		6323	free(input_type);
		6324	return PLOTSTEPS;
		6325	}
		6326	if( strcmp(input_type, fontsize) == 0 ){
		6327	free(input_type);
		6328	return FONTSIZE;
		6329	}
		6330	if( strcmp(input_type, fontcolor) == 0 ){
		6331	free(input_type);
		6332	return FONTCOLOR;
		6333	}
		6334	if( strcmp(input_type, arrow) == 0 ){
		6335	free(input_type);
		6336	return ARROW;
		6337	}
		6338	if( strcmp(input_type, arrow2) == 0 ){
		6339	free(input_type);
		6340	return ARROW2;
		6341	}
		6342	if( strcmp(input_type, darrow) == 0 ){
		6343	free(input_type);
		6344	return ARROW;
		6345	}
		6346	if( strcmp(input_type, darrow2) == 0 ){
		6347	free(input_type);
		6348	use_dashed = TRUE;
		6349	return ARROW2;
		6350	}
		6351	if( strcmp(input_type, zoom) == 0 ){
		6352	free(input_type);
		6353	return ZOOM;
		6354	}
		6355	if( strcmp(input_type, triangle) == 0 ){
		6356	free(input_type);
		6357	return TRIANGLE;
		6358	}
		6359	if( strcmp(input_type, ftriangle) == 0 ){
		6360	free(input_type);
		6361	use_filled = TRUE;
		6362	return TRIANGLE;
		6363	}
		6364	if( strcmp(input_type, input) == 0 ){
		6365	free(input_type);
		6366	return INPUT;
		6367	}
		6368	if( strcmp(input_type, inputstyle) == 0 ){
		6369	free(input_type);
		6370	return INPUTSTYLE;
		6371	}
		6372	if( strcmp(input_type, textarea) == 0 ){
		6373	free(input_type);
		6374	return TEXTAREA;
		6375	}
		6376	if( strcmp(input_type, mathml) == 0 ){
		6377	free(input_type);
		6378	return MATHML;
		6379	}
		6380	if( strcmp(input_type, html) == 0 ){
		6381	free(input_type);
		6382	return MATHML;
		6383	}
		6384	if( strcmp(input_type, fontfamily) == 0 ){
		6385	free(input_type);
		6386	return FONTFAMILY;
		6387	}
		6388	if( strcmp(input_type, lines) == 0 \|\| strcmp(input_type, polyline) == 0 ){
		6389	free(input_type);
		6390	return POLYLINE;
		6391	}
		6392	if( strcmp(input_type, rect) == 0 \|\| strcmp(input_type, rectangle) == 0 ){
		6393	free(input_type);
		6394	return RECT;
		6395	}
		6396	if( strcmp(input_type, roundrect) == 0 \|\| strcmp(input_type, roundrectangle) == 0 ){
		6397	free(input_type);
		6398	return ROUNDRECT;
		6399	}
		6400	if( strcmp(input_type, froundrect) == 0 ){
		6401	free(input_type);
		6402	use_filled = TRUE;
		6403	return ROUNDRECT;
		6404	}
		6405	if( strcmp(input_type, square) == 0 ){
		6406	free(input_type);
		6407	return SQUARE;
		6408	}
		6409	if( strcmp(input_type, fsquare) == 0 ){
		6410	free(input_type);
		6411	use_filled = TRUE;
		6412	return SQUARE;
		6413	}
		6414	if( strcmp(input_type, dline) == 0 ){
		6415	use_dashed = TRUE;
		6416	free(input_type);
		6417	return LINE;
		6418	}
7786	schaersvoo	6419	if( strcmp(input_type, dvline) == 0 ){
		6420	use_dashed = TRUE;
		6421	free(input_type);
		6422	return VLINE;
		6423	}
		6424	if( strcmp(input_type, dhline) == 0 ){
		6425	use_dashed = TRUE;
		6426	free(input_type);
		6427	return HLINE;
		6428	}
7614	schaersvoo	6429	if( strcmp(input_type, frect) == 0 \|\| strcmp(input_type, frectangle) == 0 ){
		6430	use_filled = TRUE;
		6431	free(input_type);
		6432	return RECT;
		6433	}
		6434	if( strcmp(input_type, fcircle) == 0 \|\| strcmp(input_type, disk) == 0 ){
		6435	use_filled = TRUE;
		6436	free(input_type);
		6437	return CIRCLE;
		6438	}
		6439	if( strcmp(input_type, circle) == 0 ){
		6440	free(input_type);
		6441	return CIRCLE;
		6442	}
		6443	if( strcmp(input_type, point) == 0 ){
		6444	free(input_type);
		6445	return POINT;
		6446	}
		6447	if( strcmp(input_type, points) == 0 ){
		6448	free(input_type);
		6449	return POINTS;
		6450	}
		6451	if( strcmp(input_type, filledarc) == 0 ){
		6452	use_filled = TRUE;
		6453	free(input_type);
		6454	return ARC;
		6455	}
		6456	if( strcmp(input_type, arc) == 0 ){
		6457	free(input_type);
		6458	return ARC;
		6459	}
		6460	if( strcmp(input_type, poly) == 0 \|\| strcmp(input_type, polygon) == 0 ){
		6461	free(input_type);
		6462	return POLY;
		6463	}
		6464	if( strcmp(input_type, fpoly) == 0 \|\| strcmp(input_type, filledpoly) == 0 \|\| strcmp(input_type,filledpolygon) == 0 \|\| strcmp(input_type,fpolygon) == 0 ){
		6465	use_filled = TRUE;
		6466	free(input_type);
		6467	return POLY;
		6468	}
		6469	if( strcmp(input_type, ellipse) == 0){
		6470	free(input_type);
		6471	return ELLIPSE;
		6472	}
		6473	if( strcmp(input_type, fill) == 0 ){
		6474	free(input_type);
		6475	return FLOODFILL;
		6476	}
		6477	if( strcmp(input_type, string) == 0 ){
		6478	free(input_type);
		6479	return STRING;
		6480	}
		6481	if( strcmp(input_type, stringup) == 0 ){
		6482	free(input_type);
		6483	return STRINGUP;
		6484	}
		6485	if( strcmp(input_type, opacity) == 0 ){
		6486	free(input_type);
		6487	return OPACITY;
		6488	}
		6489	if( strcmp(input_type, comment) == 0){
		6490	free(input_type);
		6491	return COMMENT;
		6492	}
		6493	if( strcmp(input_type, end) == 0){
		6494	free(input_type);
		6495	return END;
		6496	}
		6497	if( strcmp(input_type, fellipse) == 0){
		6498	free(input_type);
		6499	use_filled = TRUE;
		6500	return ELLIPSE;
7856	schaersvoo	6501	}
7614	schaersvoo	6502	if( strcmp(input_type, blink) == 0 ){
		6503	free(input_type);
		6504	return BLINK;
		6505	}
		6506	if( strcmp(input_type, button) == 0){
		6507	free(input_type);
		6508	return BUTTON;
		6509	}
		6510	if( strcmp(input_type, translation) == 0 \|\| strcmp(input_type, translate) == 0 ){
		6511	free(input_type);
		6512	return TRANSLATION;
		6513	}
		6514	if( strcmp(input_type, killtranslation) == 0 \|\| strcmp(input_type, killtranslate) == 0){
		6515	free(input_type);
		6516	return KILLTRANSLATION;
		6517	}
		6518	if( strcmp(input_type, rotate) == 0){
		6519	free(input_type);
		6520	return ROTATE;
		6521	}
7785	schaersvoo	6522	if( strcmp(input_type, affine) == 0){
		6523	free(input_type);
		6524	return AFFINE;
		6525	}
		6526	if( strcmp(input_type, killaffine) == 0){
		6527	free(input_type);
		6528	return KILLAFFINE;
		6529	}
7614	schaersvoo	6530	if( strcmp(input_type, audio) == 0 ){
		6531	free(input_type);
		6532	return AUDIO;
		6533	}
		6534	if( strcmp(input_type, audioobject) == 0 ){
		6535	free(input_type);
		6536	return AUDIOOBJECT;
		6537	}
		6538	if( strcmp(input_type, slider) == 0 ){
		6539	free(input_type);
		6540	return SLIDER;
		6541	}
		6542	if( strcmp(input_type, copy) == 0 ){
		6543	free(input_type);
		6544	return COPY;
		6545	}
		6546	if( strcmp(input_type, copyresized) == 0 ){
		6547	free(input_type);
		6548	return COPYRESIZED;
		6549	}
		6550	if( strcmp(input_type, patternfill) == 0 ){
		6551	free(input_type);
		6552	return PATTERNFILL;
		6553	}
		6554	if( strcmp(input_type, hatchfill) == 0 ){
		6555	free(input_type);
		6556	return HATCHFILL;
		6557	}
7647	schaersvoo	6558	if( strcmp(input_type, diafill) == 0 \|\| strcmp(input_type, diamondfill) == 0 ){
7614	schaersvoo	6559	free(input_type);
7647	schaersvoo	6560	return DIAMONDFILL;
7614	schaersvoo	6561	}
		6562	if( strcmp(input_type, dotfill) == 0 ){
		6563	free(input_type);
		6564	return DOTFILL;
		6565	}
		6566	if( strcmp(input_type, gridfill) == 0 ){
		6567	free(input_type);
		6568	return GRIDFILL;
		6569	}
		6570	if( strcmp(input_type, imagefill) == 0 ){
		6571	free(input_type);
		6572	return IMAGEFILL;
		6573	}
		6574	if( strcmp(input_type, clicktile_colors) == 0 ){
		6575	free(input_type);
		6576	return CLICKTILE_COLORS;
		6577	}
		6578	if( strcmp(input_type, clicktile) == 0 ){
		6579	free(input_type);
		6580	return CLICKTILE;
		6581	}
		6582	if( strcmp(input_type, xlogscale) == 0 ){
		6583	free(input_type);
		6584	return XLOGSCALE;
		6585	}
		6586	if( strcmp(input_type, ylogscale) == 0 ){
		6587	free(input_type);
		6588	return YLOGSCALE;
		6589	}
		6590	if( strcmp(input_type, xylogscale) == 0 ){
		6591	free(input_type);
		6592	return XYLOGSCALE;
		6593	}
		6594	if( strcmp(input_type, ylogscale) == 0 ){
		6595	free(input_type);
		6596	return YLOGSCALE;
		6597	}
7735	schaersvoo	6598	if( strcmp(input_type, xlogbase) == 0 ){
7614	schaersvoo	6599	free(input_type);
7735	schaersvoo	6600	return XLOGBASE;
7614	schaersvoo	6601	}
7735	schaersvoo	6602	if( strcmp(input_type, ylogbase) == 0 ){
		6603	free(input_type);
		6604	return YLOGBASE;
		6605	}
7614	schaersvoo	6606	if( strcmp(input_type, intooltip) == 0 ){
		6607	free(input_type);
		6608	return INTOOLTIP;
		6609	}
		6610	if( strcmp(input_type,video) == 0 ){
		6611	free(input_type);
		6612	return VIDEO;
		6613	}
		6614	if( strcmp(input_type,floodfill) == 0 \|\| strcmp(input_type,fill) == 0 ){
		6615	free(input_type);
		6616	return FLOODFILL;
7856	schaersvoo	6617	}
7614	schaersvoo	6618	if( strcmp(input_type,filltoborder) == 0 ){
		6619	free(input_type);
		6620	return FILLTOBORDER;
7856	schaersvoo	6621	}
7614	schaersvoo	6622	if( strcmp(input_type,clickfill) == 0 ){
		6623	free(input_type);
		6624	return CLICKFILL;
7856	schaersvoo	6625	}
7614	schaersvoo	6626	if( strcmp(input_type, replyformat) == 0 ){
		6627	free(input_type);
		6628	return REPLYFORMAT;
		6629	}
		6630	if( strcmp(input_type, pixelsize) == 0 ){
		6631	free(input_type);
		6632	return PIXELSIZE;
		6633	}
		6634	if( strcmp(input_type, setpixel) == 0 ){
		6635	free(input_type);
		6636	return SETPIXEL;
		6637	}
		6638	if( strcmp(input_type, pixels) == 0 ){
		6639	free(input_type);
		6640	return PIXELS;
		6641	}
		6642	if( strcmp(input_type, clickfillmarge) == 0 ){
		6643	free(input_type);
		6644	return CLICKFILLMARGE;
		6645	}
		6646	if( strcmp(input_type, xaxis) == 0 \|\| strcmp(input_type, xaxistext) == 0 ){
		6647	free(input_type);
		6648	return X_AXIS_STRINGS;
		6649	}
		6650	if( strcmp(input_type, yaxis) == 0 \|\| strcmp(input_type, yaxistext) == 0 ){
		6651	free(input_type);
		6652	return Y_AXIS_STRINGS;
		6653	}
		6654	if( strcmp(input_type, piechart) == 0 ){
		6655	free(input_type);
		6656	return PIECHART;
		6657	}
		6658	if( strcmp(input_type, barchart) == 0 ){
		6659	free(input_type);
		6660	return BARCHART;
		6661	}
		6662	if( strcmp(input_type, linegraph) == 0 ){
		6663	free(input_type);
		6664	return LINEGRAPH;
		6665	}
		6666	if( strcmp(input_type, clock) == 0 ){
		6667	free(input_type);
		6668	return CLOCK;
		6669	}
		6670	if( strcmp(input_type, legend) == 0 ){
		6671	free(input_type);
		6672	return LEGEND;
		6673	}
		6674	if( strcmp(input_type, legendcolors) == 0 ){
		6675	free(input_type);
		6676	return LEGENDCOLORS;
		6677	}
		6678	if( strcmp(input_type, xlabel) == 0 ){
		6679	free(input_type);
		6680	return XLABEL;
		6681	}
		6682	if( strcmp(input_type, ylabel) == 0 ){
		6683	free(input_type);
		6684	return YLABEL;
		6685	}
		6686	if( strcmp(input_type, animate) == 0 ){
		6687	free(input_type);
		6688	return ANIMATE;
		6689	}
		6690	/* these are bitmap related flydraw commmands...must be removed. eventually */
		6691	if( strcmp(input_type, transparent) == 0 ){
		6692	free(input_type);
		6693	return TRANSPARENT;
		6694	}
		6695	if( strcmp(input_type, status) == 0 ){
		6696	free(input_type);
		6697	return STATUS;
		6698	}
		6699	if( strcmp(input_type, snaptogrid) == 0 ){
		6700	free(input_type);
		6701	return SNAPTOGRID;
		6702	}
7784	schaersvoo	6703	if( strcmp(input_type, xsnaptogrid) == 0 ){
		6704	free(input_type);
		6705	return XSNAPTOGRID;
		6706	}
		6707	if( strcmp(input_type, ysnaptogrid) == 0 ){
		6708	free(input_type);
		6709	return YSNAPTOGRID;
		6710	}
7652	schaersvoo	6711	if( strcmp(input_type, userinput_xy) == 0 ){
7614	schaersvoo	6712	free(input_type);
7652	schaersvoo	6713	return USERINPUT_XY;
		6714	}
7663	schaersvoo	6715	if( strcmp(input_type, usertextarea_xy) == 0 ){
		6716	free(input_type);
		6717	return USERTEXTAREA_XY;
		6718	}
7654	schaersvoo	6719	if( strcmp(input_type, sgraph) == 0 ){
7652	schaersvoo	6720	free(input_type);
7654	schaersvoo	6721	return SGRAPH;
		6722	}
7823	schaersvoo	6723	if( strcmp(input_type, jsmath) == 0 ){
7654	schaersvoo	6724	free(input_type);
7823	schaersvoo	6725	return JSMATH;
		6726	}
		6727	if( strcmp(input_type, trace_jsmath) == 0 ){
		6728	free(input_type);
		6729	return TRACE_JSMATH;
		6730	}
7838	schaersvoo	6731	if( strcmp(input_type, setlimits) == 0 ){
7823	schaersvoo	6732	free(input_type);
7838	schaersvoo	6733	return SETLIMITS;
		6734	}
		6735	free(input_type);
7614	schaersvoo	6736	ungetc(c,infile);
		6737	return 0;
		6738	}
7856	schaersvoo	6739
		6740

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7856