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

Rev	Author	Line No.	Line
15111	schaersvoo	1	#include "canvasdraw.h"
		2	/*
		3	collection of javascript utilities (with no configurable parameters)
		4	*/
		5	void add_javascript_function(){
16643	schaersvoo	6	#ifdef KATEX_INSTALLED
16642	schaersvoo	7	char *mathjax="centered(xml_div,obj);";
		8	#else
		9	char *mathjax="setTimeout(function(){centered(xml_div,obj)},100);";
		10	#endif
15111	schaersvoo	11	int i;
		12	int type;
		13	for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
		14	/*
		15	fprintf(stdout,"checking js_function[%d] = %d<br />",i,js_function[i]);
		16	*/
		17	if( js_function[i] == 1){
		18	switch(i){
		19
15690	schaersvoo	20	case JS_ARROWHEAD:
		21	/* draw an arrowhead on object ; arrowhead on (x:y) from direction (x0:y0) */
		22	fprintf(js_include_file,"\n/* draw an arrowhead on object ; arrowhead on (x:y) from direction (x0:y0) */\
		23	function draw_arrowhead(x,y,x0,y0,ctx){\
		24	var angle = Math.atan2(x - x0,y - y0) + Math.PI;\
		25	var pie = Math.PI/6;\
		26	ctx.save();\
		27	ctx.fillStyle=ctx.strokeStyle;\
		28	ctx.beginPath();\
		29	ctx.moveTo(x,y);\
		30	ctx.moveTo(x - (arrow_head * Math.sin(angle - pie)),y - (arrow_head * Math.cos(angle - pie)));\
		31	ctx.lineTo(x,y);\
		32	ctx.lineTo(x - (arrow_head * Math.sin(angle + pie)),y - (arrow_head * Math.cos(angle + pie)));\
		33	ctx.closePath();\
		34	ctx.stroke();\
		35	ctx.fill();\
		36	ctx.restore();\
		37	};");
		38	break;
15111	schaersvoo	39	case JS_LOAD_IMAGE:
		40	fprintf(js_include_file,"\n/* get_image_from_url */\
		41	var image_cnt = 0;\
		42	if( typeof(image_patterns) !== 'object'){var image_patterns = [];};\
		43	var get_image_from_url = function(url){\
		44	var idx = Math.ceil(1000*(Math.random()));\
		45	var canvas = create_canvas%d(idx,xsize,ysize);\
		46	canvas.style.visibility = 'hidden';\
		47	var ctx = canvas.getContext(\"2d\");\
		48	var img = new Image();\
		49	img.src = url;\
		50	img.onload = function(){\
		51	var pat = ctx.createPattern(img,\"repeat\");\
		52	image_patterns.push(pat);\
		53	};\
		54	};",canvas_root_id);
		55	break;
		56
		57	case JS_SAFE_EVAL:
		58	/* to avoid easy js-code injection...but is it a real problem ? */
		59	fprintf(js_include_file," \n/* add safe eval function */function safe_eval(exp){\
		60	exp = exp.replace(/pi/g,'3.14159');\
		61	if(exp.indexOf('^') != -1){\
		62	exp = exp.replace(/[a-zA-Z]/g,' ');\
		63	exp = exp.replace(/\\*10\\^-/g,'e-');\
		64	exp = exp.replace(/\\*10\\^/g,'e+');\
		65	exp = exp.replace(/10\\^-/g,'1e-');exp = exp.replace(/10\\^/g,'1e+');\
		66	exp = eval(exp);\
		67	if(isNaN(exp)){alert(\"invalid input\\ntry just a real number \\ne.g. no calculations...\");return null;}\
		68	return exp;\
		69	};\
		70	var reg = /(?:[a-z$_][a-z0-9$_]*)\|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;\
		71	var valid = true;\
		72	exp = exp.replace(reg,function($0){\
		73	if(Math.hasOwnProperty($0)){\
		74	return \"Math.\"+$0;\
		75	}\
		76	else\
		77	{\
		78	valid = false;\
		79	}\
		80	}\
		81	);\
		82	if( !valid ){\
		83	alert(\"hmmm \"+exp+\" ?\"); exp = null;\
		84	}\
		85	else\
		86	{\
		87	try{ exp = eval(exp); } catch(e){alert(\"Invalid arithmetic expression\"); exp = null;};\
		88	};\
		89	return exp;\
		90	};");
		91	break;
		92
		93	case JS_RAWMATH:
		94	fprintf(js_include_file,"\n/* add_rawmath() */\
		95	function rawmath(i){\
		96	i=i.toLowerCase();\
		97	i=i.replace(/\\ /g,\"\");i=i.replace(/\\\\/g,\"^\");\
		98	if(i.indexOf(\"e+\")!=-1){i=i.replace(\"e+\",\"*10^\");};\
		99	if(i.indexOf(\"e-\")!=-1){i=i.replace(\"e-\",\"*10^-\");};\
		100	i=i.replace(/\\\\/g,\"*\");\
		101	if(i.charAt(0)==\"*\"){i=i.substring(1,i.length);};\
		102	var fun=[\"asin\",\"acos\",\"atan\",\"sin\",\"cos\",\"tan\",\"log\",\"ln\",\"pi\",\"e\",\"x\",\"y\"];\
		103	var cons=[\"pi\",\"e\",\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"];\
		104	var cntl = 0;var cntr = 0;\
		105	var len = i.length;\
		106	for( var p = 0;p < len; p++){\
		107	if(i.charAt(p) == '('){cntl++;}\
		108	if(i.charAt(p) == ')'){cntr++;}\
		109	};\
		110	if(cntl != cntr){alert(\"unmatched parenthesis !!\");return null;};\
		111	for(var p = 0; p < 12 ; p++){\
		112	for(var d = 0; d < 12 ; d++){\
		113	while(i.indexOf(cons[d]+\"\"+fun[p])!=-1){\
		114	i = i.replace(cons[d]+\"\"+fun[p],cons[d]+\"*\"+fun[p]);\
		115	};\
		116	while(i.indexOf(fun[p]+\"\"+cons[d])!=-1){\
		117	i = i.replace(fun[p]+\"\"+cons[d],fun[p]+\"*\"+cons[d]);\
		118	};\
		119	};\
		120	};\
		121	if(i.indexOf(\"(\")!=-1){\
		122	for(var p = 0;p < 12; p++){\
		123	if(i.indexOf(cons[p]+\"(\")!=-1){\
		124	i = i.replace(cons[p]+\"(\",cons[p]+\"*(\");\
		125	};\
		126	if(i.indexOf(\")\"+cons[p])!=-1){\
		127	i = i.replace(\")\"+cons[p],\")*\"+cons[p]);\
		128	};\
		129	};\
		130	i = i.replace(/\\)\\(/g,\")*(\");\
		131	};\
		132	return i;\
		133	};");
		134	break;
		135
		136	case JS_PLOT:
		137	fprintf(js_include_file,"\n/* jsplot() */\
		138	var x_anim_points;var y_anim_points;var animation_steps;var animation_funs;\
		139	function jsplot(canvas_type,funs,linewidth,color,opacity,use_dashed,dashtype0,dashtype1,trange,plotsteps,use_parametric,use_animate,origin){\
		140	var obj = create_canvas%d(canvas_type,xsize,ysize);\
		141	var ctx = obj.getContext(\"2d\");\
		142	ctx.clearRect(0,0,xsize,ysize);\
		143	animation_funs = funs.length;\
		144	function eval_jsmath(x,func){return parseFloat(eval(func));};\
		145	if(origin == 0 ){\
		146	if( typeof(multilinewidth) !== 'undefined' && multilinewidth != null ){ linewidth = multilinewidth;};\
		147	if( typeof(multistrokecolors) !== 'undefined' && multistrokecolors != null ){ color = multistrokecolors;};\
		148	if( typeof(multistrokeopacity) !== 'undefined' && multistrokeopacity != null ){ opacity = multistrokeopacity;};\
		149	if( typeof(multidash) !== 'undefined' && multidash != null ){use_dashed = multidash;};\
		150	};\
		151	x_anim_points = [];y_anim_points = [];var idx=0;\
		152	if( use_parametric == 1){\
		153	for(var i = 0 ; i < animation_funs; i=i+2){\
15351	bpr	154	funs[i] = funs[i].replace(/t/g,'x');\
		155	funs[i+1] = funs[i+1].replace(/t/g,'x');\
		156	funs[i] = funs[i].replace(/xan/g,'tan');\
		157	funs[i+1] = funs[i+1].replace(/xan/g,'tan');\
15111	schaersvoo	158	var fun_x = to_js_math(funs[i]);\
		159	var fun_y = to_js_math(funs[i+1]);\
		160	if(fun_x == null \|\| fun_y == null){alert(\"Syntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6(0.25)^(1.23)\\n1/(sin(5x))\\n(3x+4)/(x^(2pi)) \");return;};\
		161	try{ parseFloat( eval_jsmath( px2x(0),fun_x ) );}catch(e){alert(\"\\nSyntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6(0.25)^(1.23)\\n1/(sin(5x))\\n(3x+4)/(x^(2pi))\");return;};\
		162	ctx.lineWidth = linewidth[i] \|\| linewidth;\
		163	ctx.strokeStyle='rgba('+color[i] \|\| color +','+opacity[i] \|\| opacity +')';\
		164	if(use_dashed[i] == \"1\" \|\| use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
		165	var y1;var x1;var y2;var x2;\
		166	ctx.beginPath();\
		167	var tmin = trange[0];var tmax = trange[1];\
		168	var step = parseFloat((tmax - tmin)/plotsteps);\
		169	for(var p = tmin ; p < tmax; p = p+step ){\
		170	x1 = x2px(parseFloat(eval_jsmath(p,fun_x)));\
		171	y1 = y2px(parseFloat(eval_jsmath(p,fun_y)));\
		172	x2 = x2px(parseFloat(eval_jsmath(p+step,fun_x)));\
		173	y2 = y2px(parseFloat(eval_jsmath(p+step,fun_y)));\
		174	x_anim_points[idx] = x1;y_anim_points[idx] = y1;idx++;\
		175	ctx.moveTo(x1,y1);\
		176	ctx.lineTo(x2,y2);\
		177	ctx.moveTo(x1,y1);\
		178	ctx.lineTo(x2,y2);\
		179	};\
		180	ctx.closePath();\
		181	ctx.stroke();\
		182	};\
		183	animation_funs = 0.5*animation_funs;\
		184	}else{\
		185	for(var i = 0 ; i < animation_funs; i++){\
		186	var fun = to_js_math(funs[i]);\
		187	if(fun == null){alert(\"Syntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6(0.25)^(1.23)\\n1/(sin(5x))\\n(3x+4)/(x^(2pi)) \");return;};\
		188	try{ parseFloat( eval_jsmath( px2x(0),fun ) );}catch(e){alert(\"\\nSyntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6(0.25)^(1.23)\\n1/(sin(5x))\\n(3x+4)/(x^(2pi))\");return;};\
		189	if(use_dashed[i] == \"1\" \|\| use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
		190	ctx.lineWidth = linewidth[i] \|\| linewidth;\
		191	ctx.strokeStyle='rgba('+color[i] \|\| color +','+opacity[i] \|\| opacity +')';\
		192	var y1;var x1;var y2;var x2;\
		193	ctx.beginPath();\
		194	for(var p = 0 ; p<xsize;p++){\
		195	x1 = px2x(p);\
		196	y1 = y2px(parseFloat(eval_jsmath(x1,fun)));\
		197	x2 = px2x(p+1);\
		198	y2 = y2px(parseFloat(eval_jsmath(x2,fun)));\
		199	x_anim_points[idx] = p;y_anim_points[idx] = y1;idx++;\
		200	if(Math.abs(y2-y1) < ysize ){\
		201	ctx.moveTo(p,y1);\
		202	ctx.lineTo(p+1,y2);\
		203	};\
		204	};\
		205	ctx.closePath();\
		206	ctx.stroke();\
		207	};\
		208	};\
		209	if( use_animate == 1 ){animation_steps = idx;animate_this();}\
		210	};",canvas_root_id);
		211	break;
		212
		213	case JS_MATH:
		214	fprintf(js_include_file,"\n/* to_js_math() */\
		215	function to_js_math(math_fun){\
		216	if(math_fun == null){return;};\
		217	var infun=[\"sqrt\",\"^\",\"asin\",\"acos\",\"atan\",\"log\",\"pi\",\"abs\",\"sin\",\"cos\",\"tan\",\"e\"];\
		218	var outfun=[\"Math.sqrt\",\"Math.pow\",\"Math.asin\",\"Math.acos\",\"Math.atan\",\"Math.log\",\"(3.14159265358979)\",\"Math.abs\",\"Math.sin\",\"Math.cos\",\"Math.tan\",\"(2.718281828459045)\"];\
		219	var len = infun.length;var in_fun;var In_Fun;var out_fun;var w_cnt;\
		220	for(var p=0 ; p < len ; p++){\
		221	in_fun = infun[p];In_Fun = in_fun.toUpperCase();out_fun = outfun[p];w_cnt=0;\
		222	if(math_fun.indexOf(in_fun) != -1){\
		223	if(in_fun == \"^\"){\
		224	var tab = [];var small_trick = \"___small_trick___\";\
		225	while (math_fun.indexOf(\"(\") != -1){\
		226	math_fun = math_fun.replace(/(\$[^\\(\$]*\\))/g, function(m, t){tab.push(t);return (small_trick + (tab.length - 1));});\
		227	w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
		228	};\
		229	tab.push(math_fun);w_cnt = 0;math_fun = small_trick + (tab.length - 1);\
		230	while (math_fun.indexOf(small_trick) != -1){\
		231	math_fun = math_fun.replace(new RegExp(small_trick + \"(\\\\d+)\", \"g\"), function(m, d){return tab[d].replace(/(\\w)\\^(\\w)/g, out_fun+\"($1,$2)\");});\
		232	w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
		233	};\
		234	}\
		235	else\
		236	{\
		237	while( math_fun.indexOf(in_fun) != -1 ){\
		238	math_fun = math_fun.replace(in_fun,out_fun);\
		239	math_fun = math_fun.replace(in_fun,In_Fun);\
		240	w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
		241	};\
		242	};\
		243	};\
		244	};\
		245	for(var p=0 ; p < len ; p++){\
		246	in_fun = infun[p];In_Fun = in_fun.toUpperCase();w_cnt = 0;\
		247	if(math_fun.indexOf(In_Fun) != -1 ){\
		248	while(math_fun.indexOf(In_Fun) != -1){\
		249	math_fun = math_fun.replace(In_Fun,in_fun);\
		250	w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
		251	};\
		252	};\
		253	};\
		254	return math_fun;\
		255	};");
		256	break;
		257
		258	case INTERACTIVE:
		259	fprintf(js_include_file,"\n/* add mouse support */ var isTouch = (('ontouchstart' in window) \|\| (navigator.msMaxTouchPoints > 0));var getMouse = function(e,element){var mx,my;var offsetX = 0,offsetY = 0;while( ( element = element.offsetParent) ){offsetX += element.offsetLeft;offsetY += element.offsetTop;};if(isTouch){mx = e.pageX - offsetX;my = e.pageY - offsetY;}else{mx = e.clientX - offsetX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft:document.body.scrollLeft);my = e.clientY - offsetY + (document.documentElement.scrollTop ? document.documentElement.scrollTop:document.body.scrollTop);};return {x: mx, y: my};};");
		260	break;
		261	case USERDRAW_AND_ZOOM:
		262	fprintf(js_include_file,"\n/* add zoom support for multidraw */\
		263	function recalculate_userdraw(xmin0,ymin0,xmax0,ymax0){\
		264	function x_zoom(px){\
		265	var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
		266	return parseFloat(xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin));\
		267	};\
		268	function y_zoom(py){\
		269	var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
		270	return parseFloat(-1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
		271	};\
		272	function r_zoom(r){\
		273	return r*(xmin0/xmin);\
		274	};\
		275	var len = userdraw_x.length;\
		276	var x;var y;var r;\
		277	for(var p=0;p<len;p++){\
		278	x = userdraw_x[p];\
		279	y = userdraw_y[p];\
		280	userdraw_x[p] = x_zoom(x);\
		281	userdraw_y[p] = y_zoom(y);\
		282	if( userdraw_radius[p] ){\
		283	r = userdraw_radius[p];\
		284	userdraw_radius[p] = r_zoom(r);\
		285	};\
		286	};\
		287	};");
		288	break;
		289
		290	case DRAG_AND_ZOOM:
		291	fprintf(js_include_file,"\n/* add zoom support for drag&drop */\
		292	function recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0){\
		293	function x_zoom(px){\
		294	var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
		295	return parseFloat(xxsize/(xmax - xmin) - xsizexmin/(xmax - xmin));\
		296	};\
		297	function y_zoom(py){\
		298	var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
		299	return parseFloat(-1yysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
		300	};\
		301	var len = dragstuff.shapes.length;\
		302	var shape;var L;var x;var y;\
		303	for(var p=0;p<len;p++){\
		304	shape = dragstuff.shapes[p];\
		305	L = shape.x.length;\
		306	for(var i=0;i<L;i++){\
		307	x = shape.x[i];\
		308	y = shape.y[i];\
		309	dragstuff.shapes[p].x[i] = x_zoom(x);\
		310	dragstuff.shapes[p].y[i] = y_zoom(y);\
		311	};\
		312	};\
		313	};");
		314	break;
		315
		316	case JSPLOT_AND_ZOOM:
		317	fprintf(js_include_file,"\n/* add zoom support for jscurves */\
		318	function redraw_jsplot(){for(var p=0; p <= all_jsplots;p++){try{var fun = eval('js_plot'+p);fun();}catch(e){};};};");
		319	break;
		320
		321	case JS_ZOOM:
		322	fprintf(js_include_file,"\n/* add zoom support */\
		323	var x_min_start = xmin;var x_max_start = xmax;var y_min_start = ymin;var y_max_start = ymax;\
		324	var zoomcanvas = create_canvas%d(%d,xsize,ysize);\
		325	function redraw_canvas%d(key){\
		326	var xmin0 = xmin;var xmax0 = xmax;var ymin0 = ymin;var ymax0 = ymax;\
		327	switch(key){\
		328	case 0: xmin++;ymin++;xmax--;ymax--;break;\
		329	case 1: xmin--;ymin--;xmax++;ymax++;break;\
		330	case 2: xmin--;xmax--;break;\
		331	case 3: xmin++;xmax++;break;\
		332	case 4: ymin--;ymax--;break;\
		333	case 5: ymax++;ymin++;break;\
		334	case 6: xmin = x_min_start;xmax=x_max_start;ymin=y_min_start;ymax=y_max_start;break;\
		335	default: break;\
		336	};\
		337	if(xmin >= xmax){xmin = x_min_start;xmax = x_max_start;};\
		338	if(ymin >= ymax){ymax = y_max_start;ymin = y_min_start;};\
		339	if( typeof(recalculate_multidraw) === 'function'){recalculate_multidraw(xmin0,xmax0,ymin0,ymax0);redraw_userdraw();}\
		340	if( typeof(recalculate_userdraw) === 'function'){recalculate_userdraw(xmin0,ymin0,xmax0,ymax0);redraw_userdraw();}\
		341	if( typeof(redraw_grid) === 'function'){redraw_grid();};\
		342	if( typeof(redraw_jsplot) === 'function'){redraw_jsplot();};\
		343	if( typeof(recalculate_dragdrop) === 'function'){recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0);dragstuff.valid = false;dragstuff.draw();};\
		344	return;\
		345	};\
		346	canvas_div.addEventListener(\"mousedown\",check_zoom_or_pan,false);\
		347	canvas_div.addEventListener(\"wheel\",wheel_zoom,false);\
		348	canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();check_zoom_or_pan(e.changedTouches[0]);},false);\
		349	function wheel_zoom(evt){\
		350	evt.preventDefault();\
		351	var key = 1;\
		352	if(evt.deltaY > 0 ){key = 0};\
		353	redraw_canvas%d(key);\
		354	return;\
		355	};\
		356	function check_zoom_or_pan(evt){\
		357	var mouse = getMouse(evt,zoomcanvas);\
		358	var my = mouse.y;\
		359	if(my < ysize - 30){ return; };\
		360	var mx = mouse.x;\
		361	var key = -1;\
		362	for(var p = 15 ; p < 106 ; p = p+15){\
		363	key++;\
		364	if(mx > xsize - p){\
		365	redraw_canvas%d(key);\
		366	return;\
		367	};\
		368	};\
		369	return;\
		370	};",canvas_root_id,ZOOM_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id);
		371	break;
		372
		373	case DRAW_FILL_PATTERN:
		374	fprintf(js_include_file,"\n /* add fill pattern */ \
		375	function create_Pattern(x0,y0,type,color){document.body.style.cursor = 'wait';var idx = Math.ceil(1000*(Math.random()));var canvas = create_canvas%d(idx,xsize,ysize);canvas.style.visibility = 'hidden';var ctx = canvas.getContext(\"2d\");var x;var y;var dx = 6;var dy = 6;ctx.lineWidth = 1;ctx.strokeStyle = color;ctx.fillStyle = color;var pat;\
		376	switch(type){\
		377	case 2: for( x = 0 ; x < xsize ; x = x + dx ){ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,ysize);ctx.closePath();ctx.stroke();};for( y = 0 ; y < ysize; y = y + dy ){ctx.beginPath();ctx.moveTo(0,y);ctx.lineTo(xsize,y);ctx.closePath();ctx.stroke();}; pat = ctx.createPattern(canvas,\"no-repeat\");break;\
		378	case 3: y = ysize;ctx.beginPath();for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0);ctx.lineTo(xsize,y);y = y - dy;};y = 0;for( x = xsize ; x > 0 ; x = x - dx){ctx.moveTo(x,ysize);ctx.lineTo(0,y); y = y + dy;};ctx.closePath();ctx.stroke(); pat = ctx.createPattern(canvas,\"no-repeat\");break;\
		379	case 4: y = ysize;ctx.beginPath();for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0); ctx.lineTo(xsize,y); y = y - dy;};y = 0;for( x = xsize ; x > 0 ; x = x - dx){ctx.moveTo(x,ysize);ctx.lineTo(0,y);y = y + dy;};y = 0;for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0); ctx.lineTo(0,y); y = y + dy;};y = 0;for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(xsize,y);ctx.lineTo(x,ysize);y = y + dy;};ctx.closePath(); ctx.stroke(); pat = ctx.createPattern(canvas,\"no-repeat\");break;\
		380	case 5: for( x = 0 ; x < xsize ; x = x + dx ){for( y = 0 ; y < ysize ; y = y + dy ){ctx.beginPath();ctx.arc(x,y,1,0,2*Math.PI,false);ctx.closePath();ctx.fill();};}; pat = ctx.createPattern(canvas,\"no-repeat\");break;\
		381	case 6: alert('wait for image '+(image_cnt+1)+'...');pat = image_patterns[image_cnt];image_cnt++;break;\
		382	default: break;\
		383	};\
		384	document.body.style.cursor = 'default';return pat;\
		385	};",canvas_root_id);
		386	break;
		387
		388	case JS_TRANSFORM_MOUSE:
		389	/* identify mouse coordinates on transformed objects using command affine */
		390	fprintf(js_include_file,"\n/* translate mouse */\
		391	function transform_mouse(mx,my,obj){\
		392	if( typeof(obj.affine_matrix) === 'undefined' ){console.log('translate_mouse() affine_matrix undefined');{x:mx,y:my};};\
		393	var m = obj.affine_matrix;\
		394	var d = 1/(m[0]m[3]-m[1]m[2]);\
		395	var im = [ m[3]d, -m[1]d,-m[2]d,m[0]d,d(m[2]m[5]-m[3]m[4]),d(m[1]m[4]-m[0]m[5]) ];\
		396	return { x:mxim[0]+myim[2]+im[4], y:mxim[1]+myim[3]+im[5] };};");
		397	break;
		398
		399	case JS_ROTATE_MOUSE:
		400	/*
		401	identify mouse coordinates on rotated STRING (no 14) objects used for command rotate :
		402	faster than transform matrix
		403	*/
		404	fprintf(js_include_file,"\n/* rotate mouse */\
		405	function rotate_mouse(mx,my,obj){\
		406	if( typeof(obj.angle) === 'undefined' ){console.log('rotate_mouse() angle undefined');return {x:mx,y:my};};\
		407	var cos = Math.cos(obj.angle);\
		408	var sin = Math.sin(obj.angle);\
		409	var xc = obj.rotation_center[0];\
		410	var yc = obj.rotation_center[1];\
		411	var x_r = parseInt((cos * (mx - xc)) + (sin * (my - yc)) + xc);\
		412	var y_r = parseInt((cos * (my - yc)) - (sin * (mx - xc)) + yc);\
		413	return {x:x_r,y:y_r};};");
		414	break;
		415
		416	case JS_FIND_ANGLE:
		417	fprintf(js_include_file,"\n/* function find_angle() */ function find_angle(xc,yc,x1,y1){var dx = x1 - xc;var dy = yc - y1;return Math.atan2(dx,dy);};");
		418	break;
		419
		420	case DRAG_EXTERNAL_IMAGE:
		421	/*
		422	the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
		423	reply is object{} and identical to reply from dragstuff library for drag&drop&click
		424	reply[object_cnt] = {type:onclick,x:x0,y:y0,r:radius,angle:angle,clicked:0\|1};
		425
		426
		427	img[6]= parseInt(img[6] - img[16]);\
		428	img[7]= parseInt(img[7] - img[17]);\
		429	else{\
		430	img[6]= parseInt(img[6] + img[16]);\
		431	img[7]= parseInt(img[7] + img[17]);\
		432	};\
		433
		434	*/
		435	fprintf(js_include_file,"\n/* drag external images */\
		436	var external_ctx = external_canvas.getContext(\"2d\");\
		437	var external_canvas_rect = external_canvas.getBoundingClientRect();\
		438	canvas_div.addEventListener(\"mousedown\",setxy,false);\
		439	canvas_div.addEventListener(\"mouseup\",dragstop,false);\
		440	canvas_div.addEventListener(\"mousemove\",dragxy,false);\
		441	canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();setxy(e.changedTouches[0]);},false);\
		442	canvas_div.addEventListener(\"touchend\" ,function(e){ e.preventDefault();dragstop(e.changedTouches[0]);},false);\
		443	canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();dragxy(e.changedTouches[0]);},false);\
		444	var selected_image = null;\
		445	if( typeof(ext_drag_images) !== 'object' ){var ext_drag_images = new Array();};\
		446	if( typeof(ext_image_cnt) == 'undefined'){var ext_image_cnt = 0;};\
		447	function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,onclick,object_cnt,use_offset,use_snap,resize){\
		448	var image = new Image();\
		449	image.src = URL;\
		450	slidergroup[object_cnt] = null;\
		451	image.onload = function(){\
		452	if( sx < 1 ){ sx = 0; };\
		453	if( sy < 1 ){ sy = 0; };\
		454	if( swidth < 1 ){swidth = image.width;};\
		455	if( sheight < 1 ){sheight = image.height;};\
		456	if( width < 1 ){width = image.width;};\
		457	if( height < 1 ){height = image.height;};\
		458	if( resize == 1 ){\
		459	if( swidth > image.width ){ swidth = image.width; };\
		460	if( sheight > image.height){ sheight = image.height;};\
		461	if( width > image.width ){ width = image.width; };\
		462	if( height > image.height){ height = image.height;};\
		463	};\
		464	var img = new Array(18);\
		465	img[0] = onclick;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
		466	img[8] = width;img[9] = height;img[10] = object_cnt;img[11] = use_snap;\
		467	img[6] = x0;img[7] = y0;\
		468	img[12] = ext_image_cnt;\
		469	img[13] = img[6];img[14] = img[7];img[15] = 0;img[16] = 0;img[17] = 0;\
		470	if(use_offset == 4 ){\
		471	img[16] = 0.5*img[8];\
		472	img[17] = 0.5*img[9];\
		473	img[6]= parseInt(img[6] - img[16]);\
		474	img[7]= parseInt(img[7] - img[17]);\
		475	};\
		476	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		477	dragdrop_reply[img[10]] = {object_cnt:object_cnt,type:img[0],x:x0,y:y0,r:0,angle:0,clicked:img[15]};\
		478	ext_drag_images[ext_image_cnt] = img;\
		479	ext_image_cnt++;\
		480	};\
		481	};\
		482	function dragstop(evt){\
		483	if(selected_image != null){\
		484	var s_img = ext_drag_images[selected_image];\
		485	dragdrop_reply[s_img[10]] = {type:s_img[0],x:s_img[6]+s_img[16],y:s_img[7]+s_img[17],r:s_img[8],angle:s_img[15],clicked:s_img[15]};\
		486	console.log(dragdrop_reply[s_img[12]]);\
		487	};\
		488	selected_image = null;return;\
		489	};\
		490	function dragxy(evt){\
		491	if( selected_image != null ){\
		492	var s_img = ext_drag_images[selected_image];\
		493	var mouse = getMouse(evt,external_canvas);\
		494	var xy = multisnap_check(mouse.x,mouse.y,s_img[11]);\
		495	xy[0] = parseInt(xy[0] - 0.5*s_img[8]);\
		496	xy[1] = parseInt(xy[1] - 0.5*s_img[9]);\
		497	s_img[6] = xy[0];s_img[7] = xy[1];\
		498	ext_drag_images[selected_image] = s_img;\
		499	external_ctx.clearRect(0,0,xsize,ysize);\
		500	for(var i = 0; i < ext_image_cnt ; i++){\
		501	var img = ext_drag_images[i];\
		502	external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
		503	};\
		504	};\
		505	};\
		506	function setxy(evt){\
		507	if( ! selected_image ){\
		508	console.log(selected_image);\
		509	var mouse = getMouse(evt,external_canvas);\
		510	var xm = mouse.x;\
		511	var ym = mouse.y;\
		512	var img;var xmarge;var ymarge;\
		513	for(var p = 0 ; p < ext_image_cnt ; p++){\
		514	if( ext_drag_images[p] ){\
		515	img = ext_drag_images[p];\
		516	if( img[0] != 0 ){\
		517	xmarge = 0.5img[8];ymarge = 0.5img[9];\
		518	if( xm > img[6] - xmarge && xm < img[6] + img[8]){\
		519	if( ym > img[7] - ymarge && ym < img[7] + img[9]){\
		520	if( img[0] == 1){\
		521	if( dragdrop_reply[img[10]].clicked == 1 ){\
		522	dragdrop_reply[img[10]].clicked = 0;external_ctx.strokeStyle = '#ffffff';\
		523	}\
		524	else\
		525	{\
		526	dragdrop_reply[img[10]].clicked = 1;external_ctx.strokeStyle = '#00ff00';\
		527	};\
		528	external_ctx.lineWidth = 2;\
		529	external_ctx.beginPath();\
		530	external_ctx.rect(img[6]-2,img[7]-2,img[8]+2,img[9]+2);\
		531	external_ctx.closePath();\
		532	external_ctx.stroke();\
		533	return;\
		534	}\
		535	else\
		536	{\
		537	img[6] = xm;\
		538	img[7] = ym;\
		539	selected_image = p;\
		540	dragxy(evt);\
		541	ext_drag_images[p] = img;\
		542	};\
		543	};\
		544	};\
		545	};\
		546	};\
		547	};\
		548	}\
		549	else\
		550	{\
		551	selected_image = null;\
		552	};\
		553	};");
		554	break;
		555
		556	case DRAW_EXTERNAL_IMAGE:
		557	/*
		558	the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
		559	only drag_xy !
		560	snaptogrid \| xsnaptogrid \| ysnaptogrid works
		561	14/5/2019
		562	on heavy styled wims (unice.fr etc problems with mouse?
		563	now uniform method of retreiving mouse coordinates getMouse()
		564	*/
		565	fprintf(js_include_file,"\n/* draw external images */\
		566	function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,use_offset,resize){\
		567	var external_ctx = image_copy_canvas.getContext(\"2d\");\n\
		568	var image = new Image();\
		569	image.src = URL;\
		570	image.onload = function(){\
		571	if( sx < 1 ){ sx = 0; };\
		572	if( sy < 1 ){ sy = 0; };\
		573	if( swidth < 1 ){swidth = image.width;};\
		574	if( sheight < 1 ){sheight = image.height;};\
		575	if( width < 1 ){width = image.width;};\
		576	if( height < 1 ){height = image.height;};\
		577	if( resize == 1 ){\
		578	if( swidth > image.width ){ swidth = image.width; };\
		579	if( sheight > image.height){ sheight = image.height;};\
		580	if( width > image.width ){ width = image.width; };\
		581	if( height > image.height){ height = image.height;};\
		582	};\
		583	var img = new Array(9);\
		584	img[0] = image;img[1] = sx;img[2] = sy;img[3] = swidth;img[4] = sheight;img[5] = x0;img[6] = y0;\
		585	if(use_offset == 4 ){img[5] = parseInt(img[5] - 0.5width);img[6] = parseInt(img[6] - 0.5height);};\
		586	img[7] = width;img[8] = height;\
		587	external_ctx.drawImage(img[0],img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8]);\
		588	};\
		589	};");
		590	break;
		591
		592	case DRAW_BEZIER:
		593	fprintf(js_include_file,"\n/* draw bezier curve */\
		594	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
		595	function draw_bezier(canvas_type,linewidth,xy_points,fill_color,fill_opacity,stroke_color,stroke_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
		596	var obj;\
		597	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		598	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		599	}\
		600	else\
		601	{\
		602	obj = create_canvas%d(canvas_type,xsize,ysize);\
		603	};\
		604	var ctx = obj.getContext(\"2d\");\
		605	ctx.save();\
		606	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		607	ctx.lineWidth = linewidth;\
		608	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
		609	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		610	ctx.beginPath();\
		611	ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
		612	ctx.bezierCurveTo(x2px(xy_points[2]),y2px(xy_points[3]),x2px(xy_points[4]),y2px(xy_points[5]),x2px(xy_points[6]),y2px(xy_points[7]));\
		613	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		614	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
		615	ctx.stroke();\
		616	ctx.restore();\
		617	};",canvas_root_id,canvas_root_id,canvas_root_id);
		618	break;
		619
		620	case DRAW_GRIDFILL:/* not used for userdraw */
		621	fprintf(js_include_file,"\n/* draw gridfill */\
		622	var grid_fill_pattern;\
		623	function draw_gridfill(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize,use_userdraw){\
		624	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		625	var fc = %d+canvas_type;\
		626	var obj = create_canvas%d(fc,xsize,ysize);\
		627	var ctx = obj.getContext('2d');\
		628	var x,y;\
		629	ctx.fillStyle='rgba(255,255,255,0.01)';\
		630	ctx.rect(0,0,xsize,ysize);\
		631	ctx.fill();\
		632	ctx.lineWidth = linewidth;\
		633	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		634	for( x = 0 ; x <= xsize ; x = x + dx ){\
		635	ctx.beginPath();\
		636	ctx.moveTo(x,0);\
		637	ctx.lineTo(x,ysize);\
		638	ctx.closePath();\
		639	ctx.stroke();\
		640	};\
		641	for( y = 0 ; y <= ysize; y = y + dy ){\
		642	ctx.beginPath();\
		643	ctx.moveTo(0,y);\
		644	ctx.lineTo(xsize,y);\
		645	ctx.closePath();\
		646	ctx.stroke();\
		647	};\
		648	if( use_userdraw ){\
		649	grid_fill_pattern = ctx;\
		650	}\
		651	else\
		652	{\
		653	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};return;\
		654	};",canvas_root_id,canvas_root_id);
		655	break;
		656
		657	case DRAW_IMAGEFILL:/* not used for userdraw */
		658	fprintf(js_include_file,"\n/* draw imagefill */\
		659	function draw_imagefill(canvas_type,x0,y0,URL,xsize,ysize,use_userdraw,use_scaling){\
		660	var fc = %d+canvas_type;\
		661	var obj = create_canvas%d(fc,xsize,ysize);\
		662	var ctx = obj.getContext('2d');\
		663	var img = new Image();\
		664	img.src = URL;\
		665	obj.style.visibility = 'hidden';\
		666	img.onload = function(){\
		667	if( use_scaling == 1 ){\
		668	ctx.drawImage(img,x0,y0,xsize,ysize);\
		669	}else{\
		670	var w0 = img.width;var h0 = img.height;var w;var h;\
		671	for( w = x0; w < xsize ; w = w + w0 ){\
		672	for( h = y0; h < ysize; h = h + h0){\
		673	ctx.drawImage(img,w,h,w0,h0);\
		674	};\
		675	};\
		676	};\
		677	if( use_userdraw ){\
		678	image_pattern = ctx;\
		679	}\
		680	else\
		681	{\
		682	setTimeout(function(){ filltoborder( x0,y0,'red','red',canvas_type,true,ctx); },500);\
		683	};\
		684	};\
		685	};",canvas_root_id,canvas_root_id);
		686	break;
		687
		688	case DRAW_DOTFILL:/* not used for userdraw */
		689	fprintf(js_include_file,"\n/* draw dotfill */\
		690	var dot_fill_pattern;\
		691	function draw_dotfill(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize,use_userdraw){\
		692	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		693	var fc = %d+canvas_type;\
		694	var obj = create_canvas%d(fc,xsize,ysize);\
		695	var ctx = obj.getContext('2d');\
		696	var x,y;\
		697	ctx.fillStyle='rgba(255,255,255,0.01)';\
		698	ctx.rect(0,0,xsize,ysize);\
		699	ctx.fill();\
		700	ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
		701	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		702	for( x = 0 ; x < xsize ; x = x + dx ){\
		703	for( y = 0 ; y < ysize ; y = y + dy ){\
		704	ctx.beginPath();\
		705	ctx.arc(x,y,radius,0,2*Math.PI,false);\
		706	ctx.closePath();\
		707	ctx.fill();\
		708	};\
		709	};\
		710	if( use_userdraw ){\
		711	dot_fill_pattern = ctx;\
		712	}\
		713	else\
		714	{\
		715	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
		716	};\
		717	return;\
		718	};",canvas_root_id,canvas_root_id);
		719	break;
		720
16700	schaersvoo	721	case DRAW_SUBSUP:
		722	fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\
		723	function draw_subsup(ctx,x,y,txt){\
16712	schaersvoo	724	var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\
		725	var S = parseInt(ctx.font) \|\| 10;var s = 0.8*(parseInt(ctx.font)) \|\| 8;\
		726	ctx.font = S+'px Helvetica';ctx.textBaseline = baseline;\
16705	schaersvoo	727	for( c = 0 ; c < len ;c++){\
16700	schaersvoo	728	C = txt.charAt(c);space = 0;\
16712	schaersvoo	729	if(C == '_'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);};\
		730	if(C == '^'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);};\
		731	if(C == ' '){ctx.font = S+'px Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';};\
		732	ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\
16700	schaersvoo	733	};\
16705	schaersvoo	734	ctx.stroke();\
16700	schaersvoo	735	ctx.restore();\
		736	return;\
		737	};");
		738	break;
		739
15111	schaersvoo	740	case DRAW_TEXTFILL:/* not used for userdraw */
		741	fprintf(js_include_file,"\n/* draw textfill */\
		742	var text_fill_pattern;\
		743	function draw_textfill(canvas_type,x0,y0,color,fontfamily,xsize,ysize,txt,use_userdraw){\
		744	var fc = %d+canvas_type;\
		745	var obj = create_canvas%d(fc,xsize,ysize);\
		746	var ctx = obj.getContext('2d');\
		747	ctx.font = fontfamily;\
		748	var dx = 2+(ctx.measureText(txt)).width;\
		749	var dy = 2+(ctx.measureText('MI')).width;\
		750	ctx.fillStyle='rgba(255,255,255,0.01)';\
		751	ctx.rect(0,0,xsize,ysize);\
		752	ctx.fill();\
		753	ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
		754	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		755	for(var x = 0 ; x <= xsize ; x = x + dx ){\
		756	for(var y = 0 ; y <= ysize ; y = y + dy ){\
		757	ctx.fillText(txt, x, y);\
		758	};\
		759	};\
		760	if( use_userdraw ){\
		761	text_fill_pattern = ctx;\
		762	}\
		763	else\
		764	{\
		765	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
		766	};\
		767	return;};",canvas_root_id,canvas_root_id);
		768	break;
		769
		770	case DRAW_DIAMONDFILL:/* not used for userdraw */
		771	fprintf(js_include_file,"\n/* draw hatch fill */\
		772	var diamond_fill_pattern;\
		773	function draw_diamondfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
		774	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		775	var fc = %d+canvas_type;\
		776	var obj = create_canvas%d(fc,xsize,ysize);\
		777	var ctx = obj.getContext('2d');\
		778	var x;\
		779	var y;\
		780	ctx.lineWidth = linewidth;\
		781	ctx.fillStyle='rgba(255,255,255,0.01)';\
		782	ctx.rect(0,0,xsize,ysize);\
		783	ctx.fill();\
		784	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		785	y = ysize;\
		786	ctx.beginPath();\
		787	for( x = 0 ; x <= xsize ; x = x + dx ){\
		788	ctx.moveTo(x,0);\
		789	ctx.lineTo(xsize,y);\
		790	y = y - dy;\
		791	};\
		792	y=0;\
		793	for( x = xsize ; x >= 0 ; x = x - dx){\
		794	ctx.moveTo(x,ysize);\
		795	ctx.lineTo(0,y);\
		796	y = y + dy;\
		797	};\
		798	y = 0;\
		799	for( x = 0 ; x <= xsize ; x = x + dx ){\
		800	ctx.moveTo(x,0);\
		801	ctx.lineTo(0,y);\
		802	y = y + dy;\
		803	};\
		804	y = 0;\
		805	for( x = 0 ; x <= xsize ; x = x + dx ){\
		806	ctx.moveTo(xsize,y);\
		807	ctx.lineTo(x,ysize);\
		808	y = y + dy;\
		809	};\
		810	ctx.closePath();\
		811	ctx.stroke();\
		812	if( use_userdraw ){\
		813	diamond_fill_pattern = ctx;\
		814	}\
		815	else\
		816	{\
		817	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
		818	};\
		819	return;\
		820	}",canvas_root_id,canvas_root_id);
		821	break;
		822
		823	case DRAW_HATCHFILL:/* not used for userdraw */
		824	fprintf(js_include_file,"\n/* draw hatch fill */\
		825	var hatch_fill_pattern;\
		826	function draw_hatchfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
		827	if( dx == 0 \|\| dy == 0 ){alert(\"increment is zero !!! \");return;};\
		828	var fc = %d+canvas_type;\
		829	var obj = create_canvas%d(fc,xsize,ysize);\
		830	var ctx = obj.getContext('2d');\
		831	var x,y;\
		832	ctx.fillStyle='rgba(255,255,255,0.01)';\
		833	ctx.rect(0,0,xsize,ysize);\
		834	ctx.fill();\
		835	ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
		836	ctx.lineWidth = linewidth;\
		837	y = ysize;\
		838	ctx.beginPath();\
		839	for( x = 0 ; x <= xsize ; x = x + dx ){\
		840	ctx.moveTo(x,0);\
		841	ctx.lineTo(xsize,y);\
		842	y = y - dy;\
		843	};\
		844	y = 0;\
		845	for( x = xsize ; x >= dx ; x = x - dx){\
		846	ctx.moveTo(x,ysize);\
		847	ctx.lineTo(0,y);\
		848	y = y + dy;\
		849	};\
		850	ctx.closePath();\
		851	ctx.stroke();\
		852	if( use_userdraw ){\
		853	hatch_fill_pattern = ctx;\
		854	}\
		855	else\
		856	{\
		857	setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
		858	};\
		859	return;};",canvas_root_id,canvas_root_id);
		860	break;
		861
		862	case DRAW_LINES:/* used for js-tracing */
		863	fprintf(js_include_file,"\n/* draw lines */\
		864	function calc_line(x1,x2,y1,y2){\
		865	var marge = 2;\
		866	if(x1 < x2+marge && x1>x2-marge){\
		867	return [x1,0,x1,ysize];\
		868	};\
		869	if(y1 < y2+marge && y1>y2-marge){\
		870	return [0,y1,xsize,y1];\
		871	};\
		872	var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
		873	var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
		874	return [0,Y1,xsize,Y2];\
		875	};\
		876	var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
		877	ctx.save();\
		878	var line = new Array(4);\
		879	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		880	ctx.lineWidth = line_width;\
		881	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		882	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		883	for(var p = 0 ; p < x_points.length ; p = p+2 ){\
		884	line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
		885	ctx.beginPath();\
		886	ctx.moveTo(line[0],line[1]);\
		887	ctx.lineTo(line[2],line[3]);\
		888	ctx.closePath();\
		889	ctx.stroke();\
		890	}\
		891	ctx.restore();\
		892	return;\
		893	};");
		894	break;
		895
		896	case DRAW_CROSSHAIRS:/* used for tracing */
		897	fprintf(js_include_file,"\n/* draw crosshairs */\
		898	var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle){\
		899	ctx.save();\
		900	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		901	ctx.lineWidth = line_width;\
		902	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		903	var x1,x2,y1,y2;\
		904	for(var p = 0 ; p < x_points.length ; p++ ){\
		905	x1 = x_points[p] - crosshair_size;\
		906	x2 = x_points[p] + crosshair_size;\
		907	y1 = y_points[p] - crosshair_size;\
		908	y2 = y_points[p] + crosshair_size;\
		909	ctx.beginPath();\
		910	ctx.moveTo(x1,y1);\
		911	ctx.lineTo(x2,y2);\
		912	ctx.closePath();\
		913	ctx.stroke();\
		914	ctx.beginPath();\
		915	ctx.moveTo(x2,y1);\
		916	ctx.lineTo(x1,y2);\
		917	ctx.closePath();\
		918	ctx.stroke();\
		919	}\
		920	ctx.restore();\
		921	return;\
		922	};");
		923	break;
		924
		925	case DRAW_VIDEO:/* not used for userdraw */
		926	fprintf(js_include_file,"\n/* draw video */\
		927	var draw_video = function(canvas_root_id,x,y,w,h,URL){\
		928	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		929	var video_div = document.createElement(\"div\");\
		930	canvas_div.appendChild(video_div);\
		931	video_div.style.position = \"absolute\";\
		932	video_div.style.left = x+\"px\";\
		933	video_div.style.top = y+\"px\";\
		934	video_div.style.width = w+\"px\";\
		935	video_div.style.height = h+\"px\";\
		936	var video = document.createElement(\"video\");\
		937	video_div.appendChild(video);\
		938	video.style.width = w+\"px\";\
		939	video.style.height = h+\"px\";\
		940	video.autobuffer = true;\
		941	video.controls = true;video.autoplay = false;\
		942	var src = document.createElement(\"source\");\
		943	src.type = \"video/mp4\";\
		944	src.src = URL;\
		945	video.appendChild(src);\
		946	video.load();\
		947	return;\
		948	};");
		949	break;
		950
		951	case DRAW_AUDIO:/* not used for userdraw */
		952	fprintf(js_include_file,"\n/* draw audio */\
		953	var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
		954	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		955	var audio_div = document.createElement(\"div\");\
		956	canvas_div.appendChild(audio_div);\
		957	audio_div.style.position = \"absolute\";\
		958	audio_div.style.left = x+\"px\";\
		959	audio_div.style.top = y+\"px\";\
		960	audio_div.style.width = w+\"px\";\
		961	audio_div.style.height = h+\"px\";\
		962	var audio = document.createElement(\"audio\");\
		963	audio_div.appendChild(audio);\
		964	audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
		965	audio.autobuffer = true;\
		966	if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
		967	if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
		968	var src1 = document.createElement(\"source\");\
		969	src1.type = \"audio/ogg\";\
		970	src1.src = URL1;\
		971	audio.appendChild(src1);\
		972	var src2 = document.createElement(\"source\");\
		973	src2.type = \"audio/mpeg\";\
		974	src2.src = URL2;\
		975	audio.appendChild(src2);\
		976	audio.load();\
		977	return;\
		978	};");
		979	break;
		980
		981	case DRAW_HTTP:/* not used for userdraw */
		982	fprintf(js_include_file,"\n/* draw http */\
		983	var draw_http = function(canvas_root_id,x,y,w,h,URL){\
		984	var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
		985	var http_div = document.createElement(\"div\");\
		986	var iframe = document.createElement(\"iframe\");\
		987	canvas_div.appendChild(http_div);\
		988	http_div.appendChild(iframe);\
		989	iframe.src = URL;\
		990	iframe.setAttribute(\"width\",w);\
		991	iframe.setAttribute(\"height\",h);\
		992	return;\
		993	};");
		994	break;
		995
		996	case DRAW_XML:
		997	/*
		998	!! function draw_xml(object)
		999	!! produced by : DRAW_XML
		1000	!! used by commands: katex,latex,mathml,html,obabel
		1001	!! uses js-functions: calculate_size(xml_div),rad2deg(rad)
		1002	!! user interaction: drag,onclick,slider
		1003	!! reply function: read_dragdrop()
		1004
		1005	onclick=0; no interaction
		1006	onclick=1: click
		1007	onclick=2: drag ==> always centered (use_offset=4)
		1008	onclick=3: slider + click on object
		1009	onclick=4: slider (always active , keyword 'active' in slider params)
		1010	onclick=5: slider + dragdrop
		1011	xy: drag_type = 0;
		1012	x: drag_type = 1;
		1013	y: drag_type = 2;
		1014
		1015	obj.type: mathml,katex,html,svg,image(bitmap) (attention: for centering image needs to be measured after loading page !!)
		1016	*/
		1017
		1018	fprintf(js_include_file,"\n/* draw xml */\
		1019	function centered(xml_div,obj){\
		1020	var ww = 0.5*(parseFloat(window.getComputedStyle(xml_div).width));\
		1021	var hh = 0.5*(parseFloat(window.getComputedStyle(xml_div).height));\
		1022	obj.offset = [ ww , hh ];\
16638	bpr	1023	xml_div.style.left = obj.x[0] - obj.offset[0] +'px';xml_div.style.top = obj.y[0] - obj.offset[1] +'px';\
15111	schaersvoo	1024	};\
		1025	function rad2deg(rad){return rad*180/(Math.PI);};\
		1026	if( typeof(slidergroup) !== 'object' ){ var slidergroup = [];};\
		1027	function draw_xml(obj){\
		1028	var mouse;var xy = [obj.x[0],obj.y[0]];\
		1029	var xml_div;\
		1030	dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:obj.x,y:obj.y,r:0,angle:obj.angle,clicked:0};\
		1031	if( obj.once ){\
		1032	xml_div = document.createElement('DIV');\
		1033	canvas_div.appendChild(xml_div);\
		1034	if( obj.type == 'katex' ){ obj.mathml = LoadKaTeX('html',obj.mathml);};\
		1035	xml_div.id = 'xml_div'+obj.id;\
		1036	xml_div.innerHTML = obj.mathml;\
		1037	xml_div.style.position = \"absolute\";\
		1038	xml_div.style.color = \"rgba(\"+obj.stroke_color+\",\"+obj.stroke_opacity+\")\";\
		1039	xml_div.style.font = obj.fontfamily;\
		1040	if( ! obj.rotation_center){obj.rotation_center = [obj.x[0],obj.y[0]];}else{obj.rotation_center=[x2px(obj.rotation_center[0]) ,y2px(obj.rotation_center[1]) ];};\
16642	schaersvoo	1041	if( obj.use_center == 1 ){if( obj.type == 'image' ){xml_div.addEventListener('load',function(e){centered(xml_div,obj);},true);}else{%s};};\
15111	schaersvoo	1042	}\
		1043	else\
		1044	{\
		1045	xml_div = document.getElementById('xml_div'+obj.id );\
		1046	};\
		1047	if( typeof(xml_div) === 'undefined' ){console.log('hmmmmm'); return;};\
		1048	xml_div.style.left = parseInt(obj.x[0] - obj.offset[0]) +'px';\
		1049	xml_div.style.top = parseInt(obj.y[0] - obj.offset[1]) +'px';\
		1050	var back_color = 'rgba('+obj.fill_color+','+obj.fill_opacity+')';\
		1051	var no_color = 'rgba(255,255,255,0)';var dragging = false;\
		1052	if( obj.use_affine != 0 \|\| obj.angle != 0 ){\
		1053	xml_div.style.transform = 'matrix('+obj.transform[0]+','+obj.transform[1]+','+obj.transform[2]+','+obj.transform[3]+','+obj.transform[4]+','+obj.transform[5]+') rotate('+rad2deg(obj.angle)+'deg)';\
		1054	};\
		1055	if( obj.once ){\
		1056	obj.once = false;\
		1057	switch(obj.onclick){\
		1058	case 2:\
		1059	if(isTouch){\
		1060	canvas_div.addEventListener('touchmove' ,function(evt){ evt.preventDefault();if(!dragging){return;};mouse = getMouse(evt.changedTouches[0],xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
		1061	canvas_div.addEventListener('touchend' ,function(evt){ evt.preventDefault();dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
		1062	xml_div.addEventListener('touchstart',function(evt){evt.preventDefault();if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
		1063	xml_div.addEventListener('touchend' ,function(evt){ evt.preventDefault();dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
		1064	}else{\
		1065	canvas_div.addEventListener('mousemove',function(evt){if(!dragging){return;};mouse = getMouse(evt,xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
		1066	canvas_div.addEventListener('mouseup',function(evt){dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
		1067	xml_div.addEventListener('mousedown', function(evt){if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
		1068	};\
		1069	break;\
		1070	case 1:\
		1071	if(isTouch ){\
		1072	xml_div.addEventListener('touchstart', function(e){ e.preventDefault();if(dragdrop_reply[obj.object_cnt].clicked == 0){ dragdrop_reply[obj.object_cnt].clicked = 1;xml_div.style.backgroundColor = back_color;}else{dragdrop_reply[obj.object_cnt].clicked = 0;xml_div.style.backgroundColor = no_color;};} ,false);\
		1073	}else{\
		1074	xml_div.addEventListener('mousedown' , function(evt){if(dragdrop_reply[obj.object_cnt].clicked == 0){ dragdrop_reply[obj.object_cnt].clicked = 1;xml_div.style.backgroundColor = back_color;}else{dragdrop_reply[obj.object_cnt].clicked = 0;xml_div.style.backgroundColor = no_color;};} ,false);\
		1075	};\
		1076	break;\
		1077	case 3:\
		1078	if(isTouch ){\
		1079	xml_div.addEventListener('touchstart',function(evt){ if(slidergroup[obj.object_cnt] == null ){ slidergroup[obj.object_cnt] = obj;xml_div.style.backgroundColor = back_color;}else{ slidergroup[obj.object_cnt] = null;xml_div.style.backgroundColor = no_color;};} ,false);\
		1080	}else{\
		1081	xml_div.addEventListener('mousedown' ,function(evt){ if(slidergroup[obj.object_cnt] == null ){ slidergroup[obj.object_cnt] = obj;xml_div.style.backgroundColor = back_color;}else{ slidergroup[obj.object_cnt] = null;xml_div.style.backgroundColor = no_color;};} ,false);\
		1082	};\
		1083	break;\
		1084	case 4:slidergroup[obj.object_cnt] = obj;break;\
		1085	case 5:slidergroup[obj.object_cnt] = obj;\
		1086	canvas_div.addEventListener('mousemove',function(evt){if(!dragging){return;};mouse = getMouse(evt,xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
		1087	canvas_div.addEventListener('mouseup',function(evt){dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
		1088	xml_div.addEventListener('mousedown', function(evt){if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
		1089	break;\
		1090	default: break;\
		1091	};\
		1092	};\
		1093	return;\
16642	schaersvoo	1094	};",mathjax);
15111	schaersvoo	1095
		1096	/*
		1097	console.log('angle='+obj.angle+'obj.use_center='+obj.use_center+'id='+obj.id+'xml_div.id = '+xml_div.id+' once ='+obj.once+' offset='+ obj.offset+' div x = '+xml_div.style.left+' div y ='+xml_div.style.top+' obj.x='+px2x(obj.x)+'obj.y='+px2y(obj.y));\
		1098	*/
		1099	break;
		1100
		1101	case DRAW_SGRAPH:
		1102	/*
		1103	xstart = given
		1104	ystart = given
		1105	sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
		1106	*/
		1107	fprintf(js_include_file,"\n/* draw sgraph */\
		1108	var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
		1109	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);};\
		1110	var ctx = obj.getContext(\"2d\");\
		1111	ctx.font = fontfamily;\
		1112	var minor_opacity = 0.8*opacity;\
		1113	ctx.clearRect(0,0,xsize,ysize);\
		1114	var zero_x = 0.1*xsize;\
		1115	var zero_y = 0.9*ysize;\
		1116	var snor_x;var snor_y;\
		1117	if( xstart != xmin){\
		1118	snor_x = 0.1*xsize;\
		1119	}\
		1120	else\
		1121	{\
		1122	snor_x = 0;\
		1123	xstart = xmin;\
		1124	};\
		1125	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		1126	ctx.lineWidth = 2;\
		1127	ctx.beginPath();\
		1128	ctx.moveTo(xsize,zero_y);\
		1129	ctx.lineTo(zero_x,zero_y);\
		1130	ctx.lineTo(zero_x,0);\
		1131	ctx.stroke();\
		1132	ctx.closePath();\
		1133	ctx.beginPath();\
		1134	ctx.moveTo(zero_x,zero_y);\
		1135	ctx.lineTo(zero_x + 0.25snor_x,zero_y - 0.1snor_x);\
		1136	ctx.lineTo(zero_x + 0.5snor_x,zero_y + 0.1snor_x);\
		1137	ctx.lineTo(zero_x + 0.75snor_x,zero_y - 0.1snor_x);\
		1138	ctx.lineTo(zero_x + snor_x,zero_y);\
		1139	ctx.stroke();\
		1140	ctx.closePath();\
		1141	ctx.beginPath();\
		1142	var num = xstart;\
		1143	var flipflop = 1;\
		1144	var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
		1145	var txtsize;var txt_marge=step_x - 5;\
		1146	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		1147	txtsize = ctx.measureText(num).width;\
		1148	if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
		1149	if( flipflop == 1){\
		1150	ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
		1151	}\
		1152	else\
		1153	{\
		1154	ctx.fillText(num,x - 0.5txtsize,zero_y+2font_size);\
		1155	};\
		1156	num = num + xmajor;\
		1157	};\
		1158	ctx.stroke();\
		1159	ctx.closePath();\
		1160	ctx.lineWidth = 1;\
		1161	ctx.beginPath();\
		1162	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		1163	ctx.moveTo(x,zero_y);\
		1164	ctx.lineTo(x,0);\
		1165	};\
		1166	ctx.stroke();\
		1167	ctx.closePath();\
		1168	if( xminor > 1){\
		1169	ctx.lineWidth = 0.5;\
		1170	ctx.beginPath();\
		1171	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		1172	var minor_step_x = step_x / xminor;\
		1173	var nx;\
		1174	for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
		1175	num = 1;\
		1176	for(var p = 1 ; p < xminor ; p++){\
		1177	nx = x + num*minor_step_x;\
		1178	ctx.moveTo(nx,zero_y);\
		1179	ctx.lineTo(nx,0);\
		1180	num++;\
		1181	};\
		1182	};\
		1183	ctx.stroke();\
		1184	ctx.closePath();\
		1185	ctx.beginPath();\
		1186	ctx.lineWidth = 2;\
		1187	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		1188	for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
		1189	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
		1190	};\
		1191	for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
		1192	ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
		1193	};\
		1194	ctx.stroke();\
		1195	ctx.closePath();\
		1196	ctx.lineWidth = 0.5;\
		1197	};\
		1198	xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
		1199	if( ystart != ymin){\
		1200	snor_y = 0.1*ysize;\
		1201	}\
		1202	else\
		1203	{\
		1204	snor_y = 0;\
		1205	ystart = ymin;\
		1206	};\
		1207	ctx.lineWidth = 2;\
		1208	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		1209	ctx.beginPath();\
		1210	ctx.moveTo(zero_x,zero_y);\
		1211	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.25snor_y);\
		1212	ctx.lineTo(zero_x + 0.1snor_y,zero_y - 0.5snor_y);\
		1213	ctx.lineTo(zero_x - 0.1snor_y,zero_y - 0.75snor_y);\
		1214	ctx.lineTo(zero_x,zero_y - snor_y);\
		1215	ctx.stroke();\
		1216	ctx.closePath();\
		1217	ctx.beginPath();\
		1218	ctx.lineWidth = 1;\
		1219	num = ystart;\
		1220	var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
		1221	for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
		1222	ctx.moveTo(zero_x,y);\
		1223	ctx.lineTo(xsize,y);\
		1224	ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
		1225	num = num + ymajor;\
		1226	};\
		1227	ctx.stroke();\
		1228	ctx.closePath();\
		1229	if( yminor > 1){\
		1230	ctx.lineWidth = 0.5;\
		1231	ctx.beginPath();\
		1232	ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
		1233	var minor_step_y = step_y / yminor;\
		1234	var ny;\
		1235	for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
		1236	num = 1;\
		1237	for(var p = 1 ;p < yminor;p++){\
		1238	ny = y + num*minor_step_y;\
		1239	ctx.moveTo(zero_x,ny);\
		1240	ctx.lineTo(xsize,ny);\
		1241	num++;\
		1242	};\
		1243	};\
		1244	ctx.stroke();\
		1245	ctx.closePath();\
		1246	ctx.lineWidth = 2;\
		1247	ctx.beginPath();\
		1248	ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
		1249	for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
		1250	ctx.moveTo(zero_x,y);\
		1251	ctx.lineTo(zero_x+12,y);\
		1252	};\
		1253	for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
		1254	ctx.moveTo(zero_x,y);\
		1255	ctx.lineTo(zero_x+6,y);\
		1256	};\
		1257	ctx.stroke();\
		1258	ctx.closePath();\
		1259	};\
		1260	ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
		1261	if( typeof(legend%d) !== 'undefined' ){\
		1262	ctx.globalAlpha = 1.0;\
		1263	var y_offset = 2*font_size;\
		1264	var txt;var txt_size;\
		1265	var x_offset = xsize - 2*font_size;\
		1266	var l_length = legend%d.length;var barcolor = new Array();\
		1267	if( typeof(legendcolors%d) !== 'undefined' ){\
		1268	for(var p = 0 ; p < l_length ; p++){\
		1269	barcolor[p] = legendcolors%d[p];\
		1270	};\
		1271	}else{\
		1272	if( barcolor.length == 0 ){\
		1273	for(var p = 0 ; p < l_length ; p++){\
		1274	barcolor[p] = stroke_color;\
		1275	};\
		1276	};\
		1277	};\
		1278	for(var p = 0; p < l_length; p++){\
		1279	ctx.fillStyle = barcolor[p];\
		1280	txt = legend%d[p];\
		1281	txt_size = ctx.measureText(txt).width;\
		1282	ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
		1283	y_offset = parseInt(y_offset + 1.5*font_size);\
		1284	};\
		1285	};\
		1286	if( typeof(xaxislabel) !== 'undefined' ){\
		1287	ctx.fillStyle = \'#000000\';\
		1288	var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
		1289	ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
		1290	};\
		1291	if( typeof(yaxislabel) !== 'undefined'){\
		1292	ctx.save();\
		1293	ctx.fillStyle = \'#000000\';\
		1294	var txt_size = ctx.measureText(yaxislabel).width;\
		1295	ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
		1296	ctx.rotate(-0.5*Math.PI);\
		1297	ctx.fillText(yaxislabel,0,0);\
		1298	ctx.restore();\
		1299	};\
		1300	};",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);
		1301	break;
		1302
		1303	case DRAW_NUMBERLINE:
		1304	fprintf(js_include_file,"\n/* draw numberline */\
		1305	var draw_numberline = function(canvas_type,use_axis_numbering,x0,x1,xmajor,xminor,y0,y1,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor,precision){\
		1306	var obj = create_canvas%d(canvas_type,xsize,ysize);\
		1307	var ctx = obj.getContext(\"2d\");\
		1308	ctx.lineWidth = linewidth \|\| 1;\
		1309	ctx.strokeStyle = \"rgba(\"+strokecolor+\",\"+strokeopacity+\")\";\
15313	schaersvoo	1310	ctx.font = fontfamily \|\| 'Arial 12px';\
15111	schaersvoo	1311	var fontsize = parseInt(ctx.font);\
		1312	ctx.fillStyle = \"rgba(\"+fontcolor+\",\"+strokeopacity+\")\";\
		1313	x1 = x2px(x1);\
		1314	x0 = x2px(x0);\
		1315	y0 = y2px(y0);\
		1316	y1 = y2px(y1);\
		1317	var sub_devision = -1;\
		1318	if( xminor%%2 == 0 ){ sub_devision = xminor/2; };\
		1319	var ybase1 = parseInt( y0 + fontsize + 2 );\
		1320	var ybase2 = parseInt( ybase1 + fontsize + 2 );\
		1321	var yh = Math.abs(parseInt( y0 - 0.3*(y0 -y1)));\
		1322	var ys = Math.abs(parseInt( y0 - 0.6*(y0 -y1)));\
		1323	xmajor = x2px(xmajor) - x2px(0);\
		1324	var i;var len;var p;\
		1325	xminor = xmajor / xminor;\
		1326	ctx.beginPath();\
		1327	for(p = x0 ; p < x1 ; p = p + xmajor){\
		1328	ctx.moveTo(p,y0);ctx.lineTo(p,y1);i = 0;\
		1329	for(var s = p ; s < p + xmajor ; s = s + xminor ){\
		1330	ctx.moveTo(s,y0);\
		1331	if( sub_devision == i){ ctx.lineTo(s,ys); } else { ctx.lineTo(s,yh); };\
		1332	i++;\
		1333	};\
		1334	};\
		1335	ctx.moveTo(p,y0);ctx.lineTo(p,y1);\
		1336	ctx.closePath();\
		1337	ctx.stroke();\
		1338	if( use_axis_numbering >-1 ){\
		1339	var str = x_strings[use_axis_numbering];\
		1340	len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		1341	var corr;var x_nums;var x_text;var flipflop = 0;var off = ybase1;\
		1342	ctx.beginPath();\
		1343	if( x_strings_up[use_axis_numbering] == null){\
		1344	for(var p = 0 ; p < len ; p = p+2){\
		1345	var x_nums = x2px(eval(str[p]));\
		1346	var x_text = str[p+1];\
		1347	corr = ctx.measureText(x_text).width;\
		1348	if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
		1349	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),off);\
		1350	};\
		1351	}\
		1352	else\
		1353	{\
		1354	for(var p = 0 ; p < len ; p = p+2){\
		1355	x_nums = x2px(eval(str[p]));\
		1356	x_text = str[p+1];\
		1357	corr = ctx.measureText(x_text).width + ybase1 - fontsize;\
		1358	ctx.save();\
		1359	ctx.translate(x_nums+0.5*fontsize, corr);\
		1360	ctx.rotate(-1.5708);\
		1361	ctx.fillText(x_text,0,0);\
		1362	ctx.restore();\
		1363	};\
		1364	}\
		1365	}\
		1366	else\
		1367	{\
		1368	var corr;var num;var flipflop = 0;var off = ybase1;\
		1369	var prec = parseInt(Math.log(precision)/Math.log(10));\
		1370	for(var p = x0 ; p < x1+xmajor ; p = p+xmajor){\
		1371	num = (px2x(p)).toFixed(prec);\
		1372	corr = ctx.measureText(num).width;\
		1373	if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
		1374	ctx.fillText(num,parseInt(p - 0.5*corr),off);\
		1375	};\
		1376	};\
		1377	};",canvas_root_id);
		1378	break;
		1379
		1380	case DRAW_GRID:/* not used for userdraw */
		1381	fprintf(js_include_file,"\n/* draw grid */\
		1382	var draw_grid%d = function(canvas_type,precision,stroke_opacity,xmajor,ymajor,xminor,yminor,tics_length,line_width,stroke_color,axis_color,font_size,font_family,use_axis,use_axis_numbering,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
		1383	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);};\
		1384	var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
		1385	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
		1386	ctx.save();\
		1387	var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		1388	ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
		1389	var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
		1390	ctx.font = font_family;\
		1391	var barcolor = new Array();\
		1392	var xstep = xsize*xmajor/(xmax - xmin);\
		1393	var ystep = ysize*ymajor/(ymax - ymin);\
		1394	var x2step = xstep / xminor;\
		1395	var y2step = ystep / yminor;\
		1396	var zero_x = x2px(0);var zero_y = y2px(0);var f_x;var f_y;\
		1397	if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;};\
		1398	if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;};\
		1399	ctx.beginPath();\
		1400	ctx.lineWidth = line_width;\
		1401	ctx.strokeStyle = stroke_color;\
		1402	for(var p = zero_x ; p < xsize; p = p + xstep){\
		1403	ctx.moveTo(p,0);\
		1404	ctx.lineTo(p,ysize);\
		1405	};\
		1406	for(var p = zero_x ; p > 0; p = p - xstep){\
		1407	ctx.moveTo(p,0);\
		1408	ctx.lineTo(p,ysize);\
		1409	};\
		1410	for(var p = zero_y ; p < ysize; p = p + ystep){\
		1411	ctx.moveTo(0,p);\
		1412	ctx.lineTo(xsize,p);\
		1413	};\
		1414	for(var p = zero_y ; p > 0; p = p - ystep){\
		1415	ctx.moveTo(0,p);\
		1416	ctx.lineTo(xsize,p);\
		1417	};\
		1418	if( typeof(xaxislabel) !== 'undefined' ){\
		1419	ctx.save();\
15313	schaersvoo	1420	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	1421	var corr = parseInt(1.1*ctx.measureText(xaxislabel).width);\
		1422	ctx.fillText(xaxislabel,xsize - corr,zero_y - tics_length - 0.4*font_size);\
		1423	ctx.restore();\
		1424	};\
		1425	if( typeof(yaxislabel) !== 'undefined' ){\
		1426	ctx.save();\
15313	schaersvoo	1427	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	1428	var corr = parseInt(ctx.measureText(yaxislabel).width + font_size);\
		1429	ctx.translate(zero_x+tics_length + font_size,corr);\
		1430	ctx.rotate(-0.5*Math.PI);\
		1431	ctx.fillText(yaxislabel,0,0);\
		1432	ctx.restore();\
		1433	};\
		1434	ctx.stroke();\
		1435	ctx.closePath();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		1436
		1437	if( use_axis == 1 ){
		1438	fprintf(js_include_file,"\
		1439	ctx.save();\
		1440	ctx.beginPath();\
		1441	ctx.strokeStyle = stroke_color;\
		1442	ctx.lineWidth = 0.6*line_width;\
		1443	for(var p = zero_x ; p < xsize; p = p + x2step){\
		1444	ctx.moveTo(p,0);\
		1445	ctx.lineTo(p,ysize);\
		1446	};\
		1447	for(var p = zero_x ; p > 0; p = p - x2step){\
		1448	ctx.moveTo(p,0);\
		1449	ctx.lineTo(p,ysize);\
		1450	};\
		1451	for(var p = zero_y ; p < ysize; p = p + y2step){\
		1452	ctx.moveTo(0,p);\
		1453	ctx.lineTo(xsize,p);\
		1454	};\
		1455	for(var p = zero_y ; p > 0; p = p - y2step){\
		1456	ctx.moveTo(0,p);\
		1457	ctx.lineTo(xsize,p);\
		1458	};\
		1459	ctx.stroke();\
		1460	ctx.closePath();\
		1461	ctx.beginPath();\
		1462	ctx.lineWidth = 2*line_width;\
		1463	ctx.strokeStyle = axis_color;\
		1464	ctx.moveTo(0,zero_y);\
		1465	ctx.lineTo(xsize,zero_y);\
		1466	ctx.moveTo(zero_x,0);\
		1467	ctx.lineTo(zero_x,ysize);\
		1468	ctx.stroke();\
		1469	ctx.closePath();\
		1470	ctx.lineWidth = line_width+0.5;\
		1471	ctx.beginPath();\
		1472	for(var p = zero_x ; p < xsize; p = p + xstep){\
		1473	ctx.moveTo(p,zero_y-tics_length);\
		1474	ctx.lineTo(p,zero_y+tics_length);\
		1475	};\
		1476	for(var p = zero_x ; p > 0; p = p - xstep){\
		1477	ctx.moveTo(p,zero_y-tics_length);\
		1478	ctx.lineTo(p,zero_y+tics_length);\
		1479	};\
		1480	for(var p = zero_y ; p < ysize; p = p + ystep){\
		1481	ctx.moveTo(zero_x-tics_length,p);\
		1482	ctx.lineTo(zero_x+tics_length,p);\
		1483	};\
		1484	for(var p = zero_y ; p > 0; p = p - ystep){\
		1485	ctx.moveTo(zero_x-tics_length,p);\
		1486	ctx.lineTo(zero_x+tics_length,p);\
		1487	};\
		1488	for(var p = zero_x ; p < xsize; p = p + x2step){\
		1489	ctx.moveTo(p,zero_y-0.5*tics_length);\
		1490	ctx.lineTo(p,zero_y+0.5*tics_length);\
		1491	};\
		1492	for(var p = zero_x ; p > 0; p = p - x2step){\
		1493	ctx.moveTo(p,zero_y-0.5*tics_length);\
		1494	ctx.lineTo(p,zero_y+0.5*tics_length);\
		1495	};\
		1496	for(var p = zero_y ; p < ysize; p = p + y2step){\
		1497	ctx.moveTo(zero_x-0.5*tics_length,p);\
		1498	ctx.lineTo(zero_x+0.5*tics_length,p);\
		1499	};\
		1500	for(var p = zero_y ; p > 0; p = p - y2step){\
		1501	ctx.moveTo(zero_x-0.5*tics_length,p);\
		1502	ctx.lineTo(zero_x+0.5*tics_length,p);\
		1503	};\
		1504	ctx.stroke();\
		1505	ctx.closePath();\
		1506	ctx.restore();");
		1507	}
		1508
		1509	if( use_axis_numbering != -1 ){
		1510	fprintf(js_include_file,"\
		1511	ctx.save();\
		1512	ctx.fillColor = axis_color;\
		1513	ctx.strokeStyle = axis_color;\
		1514	ctx.lineWidth = 2*line_width;\
		1515	ctx.font = font_family;\
		1516	var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
		1517	if( x_strings[use_axis_numbering] != null ){\
		1518	var str = x_strings[use_axis_numbering];\
		1519	var len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired: text missing ! \");return;};\
		1520	ctx.beginPath();\
		1521	if( x_strings_up[use_axis_numbering] == null){\
		1522	for(var p = 0 ; p < len ; p = p+2){\
		1523	var x_nums = x2px(eval(str[p]));\
		1524	var x_text = str[p+1];\
		1525	corr = ctx.measureText(x_text).width;\
		1526	skip = 1.2*corr/xstep;\
		1527	if( zero_y+2font_size > ysize ){shift = ysize - 2font_size;};\
		1528	if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;};};\
		1529	ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
		1530	ctx.moveTo(x_nums,zero_y - tics_length);\
		1531	ctx.lineTo(x_nums,zero_y + tics_length);\
		1532	};\
		1533	}\
		1534	else\
		1535	{\
		1536	for(var p = 0 ; p < len ; p = p+2){\
		1537	var x_nums = x2px(eval(str[p]));\
		1538	var x_text = str[p+1];\
		1539	corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
		1540	if( corr > ysize ){corr = ysize;};\
		1541	ctx.save();\
		1542	ctx.translate(x_nums+0.25*font_size, corr);\
		1543	ctx.rotate(-1.5708);\
		1544	ctx.fillText(x_text,0,0);\
		1545	ctx.restore();\
		1546	ctx.moveTo(x_nums,zero_y - tics_length);\
		1547	ctx.lineTo(x_nums,zero_y + tics_length);\
		1548	};\
		1549	};\
		1550	ctx.closePath();\
		1551	}\
		1552	else\
		1553	{\
		1554	skip = 1;cnt = px2x(zero_x);\
		1555	prec = Math.log(precision)/(Math.log(10));\
		1556	var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
		1557	for( var p = zero_x ; p < xsize ; p = p+xstep){\
		1558	if(skip == 0 ){\
		1559	disp_cnt = cnt.toFixed(prec);\
		1560	corr = ctx.measureText(disp_cnt).width;\
		1561	skip = parseInt(1.2*corr/xstep);\
		1562	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		1563	}\
		1564	else\
		1565	{\
		1566	skip--;\
		1567	};\
		1568	cnt = cnt + xmajor;\
		1569	};\
		1570	cnt = px2x(zero_x);skip = 1;\
		1571	for( var p = zero_x ; p > 0 ; p = p-xstep){\
		1572	if(skip == 0 ){\
		1573	disp_cnt = cnt.toFixed(prec);\
		1574	corr = ctx.measureText(disp_cnt).width;\
		1575	skip = parseInt(1.2*corr/xstep);\
		1576	ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
		1577	}\
		1578	else\
		1579	{\
		1580	skip--;\
		1581	};\
		1582	cnt = cnt - xmajor;\
		1583	};\
		1584	};\
		1585	if( y_strings != null ){\
		1586	var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired: text missing ! \");return;};\
		1587	ctx.beginPath();\
		1588	for(var p = 0 ; p < len ; p = p+2){\
		1589	var y_nums = y2px(eval(y_strings[p]));\
		1590	var y_text = y_strings[p+1];\
		1591	corr = 2 + tics_length + ctx.measureText(y_text).width;\
		1592	if( corr > zero_x){corr = parseInt(zero_x+2); }\
		1593	ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
		1594	ctx.moveTo(zero_x - tics_length,y_nums);\
		1595	ctx.lineTo(zero_x + tics_length,y_nums);\
		1596	};\
		1597	ctx.closePath();\
		1598	}\
		1599	else\
		1600	{\
		1601	if(f_x == 1){ corr = 1.5*tics_length; }\
		1602	cnt = px2y(zero_y);skip = 1;\
		1603	for( var p = zero_y ; p < ysize ; p = p+ystep){\
		1604	if(skip == 0 ){\
		1605	skip = parseInt(1.4*font_size/ystep);\
		1606	disp_cnt = cnt.toFixed(prec);\
		1607	if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		1608	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		1609	}\
		1610	else\
		1611	{\
		1612	skip--;\
		1613	};\
		1614	cnt = cnt - ymajor;\
		1615	};\
		1616	corr = 0;cnt = px2y(zero_y);skip = 1;\
		1617	if(f_x == 1){ corr = 1.5*tics_length; }\
		1618	for( var p = zero_y ; p > 0 ; p = p-ystep){\
		1619	if(skip == 0 ){\
		1620	skip = parseInt(1.4*font_size/ystep);\
		1621	disp_cnt = cnt.toFixed(prec);\
		1622	if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
		1623	ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
		1624	}\
		1625	else\
		1626	{\
		1627	skip--;\
		1628	};\
		1629	cnt = cnt + ymajor;\
		1630	};\
		1631	};\
		1632	ctx.stroke();\
		1633	ctx.restore();");
		1634	}
		1635
		1636	if( legend_cnt != -1 ){
		1637	fprintf(js_include_file,"ctx.save();\
		1638	ctx.globalAlpha = 1.0;\
15313	schaersvoo	1639	ctx.font = \"bold \"+font_size+\"px Arial\";\
15111	schaersvoo	1640	var y_offset = 2*font_size;\
		1641	var txt;var txt_size;\
		1642	var x_offset = xsize - 2*font_size;\
		1643	var l_length = legend0.length;\
		1644	if( typeof(legendcolors0) !== 'undefined' ){\
		1645	for(var p = 0 ; p < l_length ; p++){\
		1646	barcolor[p] = legendcolors0[p];\
		1647	};\
		1648	}\
		1649	else\
		1650	{\
		1651	if( barcolor.length == 0 ){\
		1652	for(var p = 0 ; p < l_length ; p++){\
		1653	barcolor[p] = stroke_color;\
		1654	};\
		1655	};\
		1656	};\
		1657	for(var p = 0; p < l_length; p++){\
		1658	ctx.fillStyle = barcolor[p];\
		1659	txt = legend0[p];\
		1660	txt_size = ctx.measureText(txt).width;\
		1661	ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
		1662	y_offset = parseInt(y_offset + 1.5*font_size);\
		1663	};\
		1664	ctx.restore();");
		1665	}
		1666
		1667	if( barchart_cnt != 0 ){
		1668	fprintf(js_include_file,"ctx.save();\
		1669	var num_barcharts = 0;\
		1670	var bar_name = eval('barchart_0');\
		1671	while( typeof(bar_name) !== 'undefined' ){\
		1672	try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
		1673	};\
		1674	var bar_width = parseInt(0.8*x2step/(num_barcharts));\
		1675	for(var i=0 ; i< num_barcharts ; i++){\
		1676	bar_name = eval('barchart_'+i);\
		1677	var bar_x = new Array();\
		1678	var bar_y = new Array();\
		1679	var lb = bar_name.length;\
		1680	var idx = 0;\
		1681	var dx = parseInt(0.5ibar_width);\
		1682	for( var p = 0 ; p < lb ; p = p + 3 ){\
		1683	bar_x[idx] = x2px(bar_name[p]);\
		1684	bar_y[idx] = y2px(bar_name[p+1]);\
		1685	barcolor[idx] = bar_name[p+2];\
		1686	idx++;\
		1687	};\
		1688	ctx.globalAlpha = fill_opacity;\
		1689	for( var p = 0; p < idx ; p++ ){\
		1690	ctx.beginPath();\
		1691	ctx.strokeStyle = barcolor[p];\
		1692	ctx.fillStyle = barcolor[p];\
		1693	ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
		1694	ctx.fill();\
		1695	ctx.stroke();\
		1696	ctx.closePath();\
		1697	};\
		1698	};\
		1699	ctx.restore();");
		1700	}
		1701
		1702	if( linegraph_cnt != 0 ){
		1703	fprintf(js_include_file,"ctx.save();\
		1704	ctx.globalAlpha = 1.0;\
		1705	var i = 0;\
		1706	var line_name = eval('linegraph_'+i);\
		1707	while ( typeof(line_name) !== 'undefined' ){\
		1708	ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
		1709	ctx.lineWidth = parseInt(line_name[1]);\
		1710	if(line_name[2] == \"1\"){\
		1711	var d1 = parseInt(line_name[3]);\
		1712	var d2 = parseInt(line_name[4]);\
		1713	if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
		1714	}\
		1715	else\
		1716	{\
		1717	if(ctx.setLineDash){ctx.setLineDash = null;};if(ctx.mozDash){ctx.mozDash = null;}\
		1718	};\
		1719	var data_x = new Array();var data_y = new Array();\
		1720	var lb = line_name.length;var idx = 0;\
		1721	for( var p = 5 ; p < lb ; p = p + 2 ){\
		1722	data_x[idx] = x2px(line_name[p]);\
		1723	data_y[idx] = y2px(line_name[p+1]);\
		1724	idx++;\
		1725	};\
		1726	for( var p = 0; p < idx ; p++){\
		1727	ctx.beginPath();\
		1728	ctx.moveTo(data_x[p],data_y[p]);\
		1729	ctx.lineTo(data_x[p+1],data_y[p+1]);\
		1730	ctx.stroke();\
		1731	ctx.closePath();\
		1732	};\
		1733	i++;\
		1734	try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
		1735	};\
		1736	ctx.restore();return;");
		1737	}
		1738	fprintf(js_include_file,"};");
		1739
		1740	break;
		1741
		1742	case DRAW_PIECHART:
		1743	fprintf(js_include_file,"\n/* draw piecharts */\
		1744	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
		1745	function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family,use_filled,use_offset){\
		1746	var obj;\
		1747	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		1748	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		1749	}\
		1750	else\
		1751	{\
		1752	obj = create_canvas%d(canvas_type,xsize,ysize);\
		1753	};\
		1754	var center_text = use_offset \|\| 0;\
		1755	var ld = data_color_list.length;\
		1756	var sum = 0;\
		1757	var idx = 0;\
		1758	var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
		1759	var colors = new Array();\
		1760	var data = new Array();\
		1761	for(var p = 0;p < ld; p = p + 2){\
		1762	data[idx] = parseFloat(data_color_list[p]);\
		1763	sum = sum + data[idx];\
		1764	colors[idx] = data_color_list[p+1];\
		1765	idx++;\
		1766	};\
		1767	if( use_filled > 1 ){\
		1768	var i = 2;\
		1769	for(var p = 0 ; p < idx ; p++){\
		1770	if(i > 5 ){ i = 2; };\
		1771	var pat = create_Pattern(0,0,i,colors[p]); all_fill_patterns[p] = pat;i++;\
		1772	};\
		1773	};\
		1774	var ctx = obj.getContext(\"2d\");\
		1775	ctx.save();\
		1776	var angle;\
		1777	var angle_end = 0;\
		1778	var offset = Math.PI / 2;\
		1779	ctx.globalAlpha = fill_opacity;\
		1780	var angles = [];\
		1781	for(var p=0; p < idx; p++){\
		1782	ctx.beginPath();\
		1783	ctx.moveTo(x_center,y_center);\
		1784	angle = Math.PI * (2 * data[p] / sum);\
		1785	ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
		1786	ctx.lineTo(x_center, y_center);\
		1787	if( use_filled > 1 ){ ctx.fillStyle = all_fill_patterns[p]; }else{ ctx.fillStyle = colors[p];};\
		1788	ctx.fill();\
		1789	ctx.closePath();\
		1790	angles.push(angle_end + angle - offset);\
		1791	angle_end = angle_end + angle;\
		1792	};\
		1793	if(typeof(legend0) !== 'undefined'){\
		1794	var legenda = eval(\"legend\"+legend_cnt);\
		1795	ctx.globalAlpha = 1.0;\
		1796	ctx.font = font_family;\
		1797	var y_offset = font_size;\
		1798	var x_offset = 0;\
		1799	var txt;var txt_size;\
		1800	for(var p = 0; p < idx; p++){\
		1801	ctx.fillStyle = colors[p];\
		1802	txt = legenda[p];\
		1803	txt_size = ctx.measureText(txt).width + 2;\
		1804	if(center_text == 4){\
		1805	ctx.save();\
		1806	ctx.translate(x_center, y_center);\
		1807	ctx.rotate(angles[p]);\
		1808	ctx.fillText(txt,radius-txt_size,0);\
		1809	ctx.restore();\
		1810	}\
		1811	else\
		1812	{\
		1813	if( x_center + radius + txt_size > xsize ){ x_offset = x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
		1814	ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
		1815	y_offset = parseInt(y_offset + 1.5*font_size);\
		1816	};\
		1817	};\
		1818	};\
		1819	ctx.restore();\
		1820	};",canvas_root_id,canvas_root_id,canvas_root_id);
		1821	break;
		1822
		1823	case DRAW_JSBOXPLOT:
		1824	fprintf(js_include_file,"\n/* draw jsboxplots */\
		1825	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
		1826	function statistics(data){\
		1827	var len = data.length;\
		1828	var min = 10000000;\
		1829	var max = -10000000;\
		1830	var sum = 0;var d;\
		1831	for(var i=0;i<len;i++){\
		1832	d = data[i];\
		1833	if(d < min){min = d;}else{if(d > max){max = d;};};\
		1834	sum+= parseFloat(data[i]);\
		1835	};\
		1836	var mean = parseFloat(sum/len);\
		1837	var variance = 0;\
		1838	for(var i=0;i<len;i++){\
		1839	d = data[i];\
		1840	variance += (d - mean)*(d - mean);\
		1841	};\
		1842	variance = parseFloat(variance / len);\
		1843	var std = Math.sqrt(variance);\
		1844	data.sort(function(a,b){return a - b;});\
		1845	var median;var Q1;var Q3;\
		1846	var half = Math.floor(0.5*len);\
		1847	var q1 = Math.floor(0.25*len);\
		1848	var q3 = Math.floor(0.75*len);\
		1849	var half = Math.floor(0.5*len);\
		1850	if(len %%2 == 1){\
		1851	median = data[half];\
		1852	Q1 = data[q1];\
		1853	Q3 = data[q3];\
		1854	}\
		1855	else\
		1856	{\
		1857	median = (data[half - 1] + data[half] )/2;\
		1858	Q1 = (data[q1 - 1] + data[q1] )/2;\
		1859	Q3 = (data[q3 - 1] + data[q3] )/2;\
		1860	};\
		1861	return [min,Q1,median,Q3,max];\
		1862	};");
		1863	break;
		1864
		1865	case DRAW_BOXPLOT:
		1866	fprintf(js_include_file,"\n/* draw boxplots */\
		1867	if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
		1868	draw_boxplot = function(canvas_type,xy,hw,cxy,data,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1){\
		1869	var obj;\
		1870	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);};\
		1871	var ctx = obj.getContext(\"2d\");\
		1872	ctx.clearRect(0,0,xsize,ysize);\
		1873	ctx.save();\
		1874	ctx.lineWidth = line_width;\
		1875	ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		1876	var colors = new Array(2);\
		1877	colors[0] = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		1878	colors[1] = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		1879	if( use_filled > 1 ){\
		1880	var pat = create_Pattern(0,0,3,colors[0]);\
		1881	all_fill_patterns[0] = pat;\
		1882	pat = create_Pattern(0,0,4,colors[1]);\
		1883	all_fill_patterns[1] = pat;\
		1884	};\
		1885	if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
		1886	var hh = 0.25*hw;\
		1887	switch(boxplot_source){\
		1888	case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
		1889	case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
		1890	case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
		1891	default: break;\
		1892	};\
		1893	var min,Q1,median,Q3,max;\
		1894	if(xy == 1 ){\
		1895	min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
		1896	hh = Math.abs(y2px(hh) - y2px(ystart));\
		1897	hw = Math.abs(y2px(hw) - y2px(ystart));\
		1898	cxy = y2px(cxy);\
		1899	ctx.beginPath();\
		1900	ctx.moveTo(min,cxy);\
		1901	ctx.lineTo(Q1,cxy);\
		1902	ctx.moveTo(Q3,cxy);\
		1903	ctx.lineTo(max,cxy);\
		1904	ctx.moveTo(min,cxy+hh);\
		1905	ctx.lineTo(min,cxy-hh);\
		1906	ctx.moveTo(max,cxy+hh);\
		1907	ctx.lineTo(max,cxy-hh);\
		1908	ctx.closePath();\
		1909	ctx.stroke();\
		1910	ctx.beginPath();\
		1911	ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
		1912	ctx.closePath();\
		1913	if( use_filled != 0 ){\
		1914	if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
		1915	ctx.fill();\
		1916	};\
		1917	ctx.stroke();\
		1918	ctx.beginPath();\
		1919	ctx.rect(median,cxy-2*hh,Q3-median,hw);\
		1920	ctx.closePath();\
		1921	if( use_filled != 0 ){\
		1922	if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
		1923	ctx.fill();\
		1924	};\
		1925	ctx.stroke();\
		1926	}else{\
		1927	min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
		1928	hh = Math.abs(x2px(hh) - x2px(xstart));\
		1929	hw = Math.abs(x2px(hw) - x2px(xstart));\
		1930	cxy = x2px(cxy);\
		1931	ctx.beginPath();\
		1932	ctx.moveTo(cxy,min);\
		1933	ctx.lineTo(cxy,Q1);\
		1934	ctx.moveTo(cxy,Q3);\
		1935	ctx.lineTo(cxy,max);\
		1936	ctx.moveTo(cxy + hh,min);\
		1937	ctx.lineTo(cxy - hh,min);\
		1938	ctx.moveTo(cxy + hh,max);\
		1939	ctx.lineTo(cxy - hh,max);\
		1940	ctx.closePath;\
		1941	ctx.stroke();\
		1942	ctx.beginPath();\
		1943	ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
		1944	ctx.closePath();\
		1945	if( use_filled != 0 ){\
		1946	if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
		1947	ctx.fill();\
		1948	};\
		1949	ctx.stroke();\
		1950	ctx.beginPath();\
		1951	ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
		1952	ctx.closePath();\
		1953	if( use_filled != 0 ){\
		1954	if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
		1955	ctx.fill();\
		1956	};\
		1957	ctx.stroke();\
		1958	};\
		1959	ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
		1960	break;
		1961
		1962	case DRAW_CENTERSTRING:
		1963	fprintf(js_include_file,"\n/* draw centerstring */\
		1964	var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
		1965	var obj;\
		1966	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		1967	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		1968	}\
		1969	else\
		1970	{\
		1971	obj = create_canvas%d(canvas_type,xsize,ysize);\
		1972	};\
		1973	var ctx = obj.getContext(\"2d\");\
		1974	ctx.save();\
		1975	ctx.clearRect(0,0,xsize,ysize);\
		1976	ctx.font = font_family;\
		1977	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		1978	var stringwidth = ctx.measureText(text).width;\
		1979	var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
		1980	ctx.fillText(text,x,y2px(y));\
		1981	ctx.restore();\
		1982	return;\
		1983	};",canvas_root_id,canvas_root_id,canvas_root_id);
		1984	break;
		1985
		1986	case DRAW_TEXTS:
		1987	fprintf(js_include_file,"\n/* draw text */\
		1988	var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_offset){\
		1989	var obj;\
		1990	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		1991	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		1992	}\
		1993	else\
		1994	{\
		1995	obj = create_canvas%d(canvas_type,xsize,ysize);\
		1996	};\
		1997	var ctx = obj.getContext(\"2d\");\
		1998	if( font_family != 'null' ){\
		1999	ctx.font = font_family;\
		2000	}\
		2001	else\
		2002	{\
15313	schaersvoo	2003	ctx.font = font_size+'px Arial';\
15111	schaersvoo	2004	};\
		2005	if( use_offset == 3 ){if(angle2 < 0 ){ y = y + 0.8font_size; x = x + (Math.cos(angle2))font_size; }else{y = y - 0.8font_size; x = x + (Math.sin(angle2))font_size;};};\
		2006	if(angle2 == 0 && angle != 0){\
		2007	ctx.save();\
		2008	if(use_rotate == 1 ){\
		2009	ctx.rotate(angle*Math.PI/180);};\
		2010	ctx.restore();\
		2011	};\
		2012	ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		2013	if(angle2 != 0){\
		2014	ctx.save();\
		2015	ctx.translate(x,y);\
		2016	ctx.rotate((360-angle2)*(Math.PI / 180));\
		2017	ctx.fillText(text,0,0);\
		2018	ctx.restore();\
		2019	}\
		2020	else\
		2021	{\
		2022	ctx.fillText(text,x,y);\
		2023	};\
		2024	return;\
		2025	};",canvas_root_id,canvas_root_id,canvas_root_id);
		2026	break;
		2027
		2028	case DRAW_INPUTS:
		2029	/* function center_input may be used for other centering...if not? integrate it in draw_static_inputs...*/
		2030	fprintf(js_include_file,"\n/* draw static input fields */\
		2031	if(typeof(input_cnt) !== 'undefined' ){var input_cnt = 0;};\
		2032	var draw_static_inputs = function(root_id,num,x,y,size,readonly,css_class,value,use_offset){\
		2033	var input = document.createElement(\"input\");\
		2034	input.setAttribute(\"id\",\"canvas_input\"+num);\
		2035	input.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+x+\"px;top:\"+y+\"px;\");\
		2036	if(css_class != \"none\"){input.setAttribute(\"class\",css_class);};\
		2037	input.setAttribute(\"size\",size);\
		2038	input.setAttribute(\"value\",value);\
		2039	input.addEventListener(\"touchstart\", function(e){this.focus();},false);\
		2040	if( readonly == 0 \|\| wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
		2041	canvas_div.appendChild(input);\
		2042	if(use_offset != 0 ){ center_input('canvas_input'+num,x,y,css_class);};\
		2043	input_cnt++;\
		2044	};\
		2045	function center_input(id,x,y,css_class){\
		2046	var inp = document.getElementById(id);\
		2047	var pos = inp.getBoundingClientRect();\
		2048	var center_x = parseInt(x - 0.5*(pos.width));\
		2049	var center_y = parseInt(y - 0.5*(pos.height));\
		2050	try{if(css_class != \"none\"){inp.setAttribute(\"class\",css_class);};inp.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+center_x+\"px;top:\"+center_y+\"px;\");}\
		2051	catch(e){console.log('error :'+e);return;};\
		2052	};");
		2053	break;
		2054
		2055	case DRAW_TEXTAREAS:
		2056	fprintf(js_include_file,"\n/* draw text area inputfields */\
		2057	var draw_textareas = function(root_id,num,x,y,cols,rows,readonly,style,value){\
		2058	var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
		2059	var textarea = document.createElement(\"textarea\");\
		2060	textarea.setAttribute(\"id\",\"canvas_input\"+num);\
		2061	textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
		2062	textarea.setAttribute(\"cols\",cols);\
		2063	textarea.setAttribute(\"rows\",rows);\
		2064	textarea.value = value;\
		2065	if( readonly == 0 \|\| wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
		2066	canvas_div.appendChild(textarea);};");
		2067	break;
		2068
		2069	case DRAW_PIXELS:
		2070	fprintf(js_include_file,"\n/* draw pixel */\
		2071	var draw_setpixel = function(x,y,color,opacity,pixelsize){\
		2072	var idx = 2000+Math.ceil(1000*(Math.random()));\
		2073	var canvas = create_canvas%d(idx,xsize,ysize);\
		2074	var d = 0.5*pixelsize;\
		2075	var ctx = canvas.getContext(\"2d\");\
		2076	if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
		2077	ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
		2078	ctx.clearRect(0,0,xsize,ysize);\
		2079	for(var p=0; p<x.length;p++){\
		2080	ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
		2081	};\
		2082	ctx.fill();ctx.stroke();\
		2083	};",canvas_root_id);
		2084	break;
		2085
		2086	case DRAW_CLOCK:
		2087	fprintf(js_include_file,"\n/* command clock */\
		2088	var clock_canvas = create_canvas%d(%d,xsize,ysize);\
		2089	var clock_ctx = clock_canvas.getContext(\"2d\");\
		2090	var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
		2091	clock_ctx.clearRect(xc - radius,yc - radius,2radius,2radius);\
		2092	clock_ctx.save();\
		2093	clock_ctx.globalAlpha = clock_bg_opacity;\
		2094	this.type = type \|\| 0;\
		2095	this.interaction = interaction \|\| 0;\
		2096	this.H = H;\
		2097	this.M = M;\
		2098	this.S = S;\
		2099	this.xc = xc \|\| xsize/2;\
		2100	this.yc = yc \|\| ysize/2;\
		2101	this.radius = radius \|\| xsize/4;\
		2102	var font_size = parseInt(0.2*this.radius);\
		2103	this.H_color = h_color \|\| \"black\";\
		2104	this.M_color = m_color \|\| \"black\";\
		2105	this.S_color = s_color \|\| \"black\";\
		2106	this.fg_color = fg_color \|\| \"black\";\
		2107	this.bg_color = bg_color \|\| \"white\";\
		2108	clock_ctx.translate(this.xc,this.yc);\
		2109	clock_ctx.beginPath();\
		2110	clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
		2111	clock_ctx.fillStyle = this.bg_color;\
		2112	clock_ctx.fill();\
		2113	clock_ctx.closePath();\
		2114	clock_ctx.beginPath();\
		2115	clock_ctx.font = font_size+\"px Arial\";\
		2116	clock_ctx.fillStyle = this.fg_color;\
		2117	clock_ctx.textAlign = \"center\";\
		2118	clock_ctx.textBaseline = 'middle';\
		2119	var angle;var x1,y1,x2,y2;\
		2120	var angle_cos;var angle_sin;\
		2121	clock_ctx.globalAlpha = clock_fg_opacity;\
		2122	switch(type){\
		2123	case 0:clock_ctx.beginPath();\
		2124	for(var p = 1; p <= 12 ; p++){\
		2125	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		2126	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		2127	x1 = 0.8angle_cos;y1 = 0.8angle_sin;x2 = angle_cos;y2 = angle_sin;\
		2128	clock_ctx.moveTo(x1,y1);\
		2129	clock_ctx.lineTo(x2,y2);\
		2130	};\
		2131	for(var p = 1; p <= 60 ; p++){\
		2132	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		2133	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		2134	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		2135	clock_ctx.moveTo(x1,y1);\
		2136	clock_ctx.lineTo(x2,y2);\
		2137	};\
		2138	clock_ctx.closePath();\
		2139	clock_ctx.stroke();\
		2140	break;\
		2141	case 1:\
		2142	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;\
		2143	case 2:\
		2144	for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8this.radiusMath.cos(angle);y1 = 0.8this.radiusMath.sin(angle);clock_ctx.fillText(p, x1, y1);};\
		2145	clock_ctx.beginPath();\
		2146	for(var p = 1; p <= 12 ; p++){\
		2147	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 12));\
		2148	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 12));\
		2149	x1 = 0.9angle_cos;y1 = 0.9angle_sin;x2 = angle_cos;y2 = angle_sin;\
		2150	clock_ctx.moveTo(x1,y1);\
		2151	clock_ctx.lineTo(x2,y2);\
		2152	};\
		2153	for(var p = 1; p <= 60 ; p++){\
		2154	angle_cos = this.radius(Math.cos(p (Math.PI * 2) / 60));\
		2155	angle_sin = this.radius(Math.sin(p (Math.PI * 2) / 60));\
		2156	x1 = 0.95angle_cos;y1 = 0.95angle_sin;x2 = angle_cos;y2 = angle_sin;\
		2157	clock_ctx.moveTo(x1,y1);\
		2158	clock_ctx.lineTo(x2,y2);\
		2159	};\
		2160	clock_ctx.closePath();\
		2161	clock_ctx.stroke();\
		2162	break;\
		2163	};\
		2164	angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
		2165	clock_ctx.rotate(angle);\
		2166	clock_ctx.beginPath();\
		2167	clock_ctx.moveTo(-3, -2);\
		2168	clock_ctx.lineTo(-3, 2);\
		2169	clock_ctx.lineTo(this.radius * 0.6, 1);\
		2170	clock_ctx.lineTo(this.radius * 0.6, -1);\
		2171	clock_ctx.fillStyle = this.H_color;\
		2172	clock_ctx.fill();\
		2173	clock_ctx.rotate(-angle);\
		2174	angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
		2175	clock_ctx.rotate(angle);\
		2176	clock_ctx.beginPath();\
		2177	clock_ctx.moveTo(-3, -2);\
		2178	clock_ctx.lineTo(-3, 2);\
		2179	clock_ctx.lineTo(this.radius * 0.8, 1);\
		2180	clock_ctx.lineTo(this.radius * 0.8, -1);\
		2181	clock_ctx.fillStyle = this.M_color;\
		2182	clock_ctx.fill();\
		2183	clock_ctx.rotate(-angle);\
		2184	angle = (this.S - 15) * 2 * Math.PI / 60;\
		2185	clock_ctx.rotate(angle);\
		2186	clock_ctx.beginPath();\
		2187	clock_ctx.moveTo(0,0);\
		2188	clock_ctx.lineTo(this.radius * 0.9, 1);\
		2189	clock_ctx.lineTo(this.radius * 0.9, -1);\
		2190	clock_ctx.strokeStyle = this.S_color;\
		2191	clock_ctx.stroke();\
		2192	clock_ctx.restore();\
		2193	};",canvas_root_id,CLOCK_CANVAS);
		2194	break;
		2195
		2196	case DRAW_LATTICE:
		2197	fprintf(js_include_file,"\n/* draw lattice */\
		2198	var draw_lattice = function(canvas_type,line_width,x0,y0,dx1,dy1,dx2,dy2,n1,n2,fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_filled){\
		2199	var obj;\
		2200	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		2201	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		2202	}\
		2203	else\
		2204	{\
		2205	obj = create_canvas%d(canvas_type,xsize,ysize);\
		2206	};\
		2207	var ctx = obj.getContext(\"2d\");\
		2208	ctx.save();\
		2209	if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
		2210	var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
		2211	if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
		2212	ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
		2213	var radius = line_width;\
		2214	var x = 0;\
		2215	var y = 0;\
		2216	var x_step_px = xsize/(xmax-xmin);\
		2217	var y_step_px = ysize/(ymax-ymin);\
		2218	var xv1 = dx1*x_step_px;\
		2219	var yv1 = dy1*y_step_px;\
		2220	var xv2 = dx2*x_step_px;\
		2221	var yv2 = dy2*y_step_px;\
		2222	for(var p = 0; p < n1 ;p++){\
		2223	x = p*xv1 + x0;\
		2224	y = p*yv1 + y0;\
		2225	for(var c = 0; c < n2 ; c++){\
		2226	ctx.beginPath();\
		2227	ctx.arc(x+cxv2,y+cyv2,radius,0,2*Math.PI,false);\
		2228	ctx.fill();\
		2229	ctx.stroke();\
		2230	ctx.closePath();\
		2231	};\
		2232	};\
		2233	ctx.restore();\
		2234	return;\
		2235	};",canvas_root_id,canvas_root_id,canvas_root_id);
		2236	break;
		2237
		2238	case DRAW_XYLOGSCALE:
		2239	fprintf(js_include_file,"\n/* draw xylogscale */\
		2240	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,precision){\
		2241	var obj;\
		2242	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		2243	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		2244	}\
		2245	else\
		2246	{\
		2247	obj = create_canvas%d(canvas_type,xsize,ysize);\
		2248	};\
		2249	var ctx = obj.getContext(\"2d\");\
		2250	ctx.clearRect(0,0,xsize,ysize);\
		2251	ctx.save();\
		2252	var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
		2253	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		2254	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		2255	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		2256	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		2257	if(use_axis_numbering != -1){\
		2258	ctx.font = font_family;\
		2259	xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
		2260	ymarge = parseInt(1.5*font_size);\
		2261	ctx.save();\
		2262	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		2263	ctx.rect(0,0,xmarge,ysize);\
		2264	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		2265	ctx.fill();\
		2266	ctx.restore();\
		2267	}else{xmarge = 0;ymarge = 0;};\
		2268	if( typeof(xaxislabel) !== 'undefined' ){\
		2269	ctx.save();\
15313	schaersvoo	2270	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2271	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2272	corr = ctx.measureText(xaxislabel).width;\
		2273	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		2274	ctx.restore();\
		2275	};\
		2276	if( typeof(yaxislabel) !== 'undefined' ){\
		2277	ctx.save();\
15313	schaersvoo	2278	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2279	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2280	corr = ctx.measureText(yaxislabel).width;\
		2281	ctx.translate(xmarge+font_size,corr+font_size);\
		2282	ctx.rotate(-0.5*Math.PI);\
		2283	ctx.fillText(yaxislabel,0,0);\
		2284	ctx.restore();\
		2285	};\
		2286	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2287	ctx.lineWidth = line_width;\
		2288	for(var p = x_min; p <= x_max ; p++){\
		2289	num = Math.pow(xlogbase,p);\
		2290	for(var i = 1 ; i < xlogbase ; i++){\
		2291	x_e = x2px(i*num);\
		2292	if( i == 1 ){\
		2293	ctx.lineWidth = line_width;\
		2294	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2295	if( use_axis_numbering != -1 && p > x_min){\
		2296	xtxt = xlogbase+'^'+p.toFixed(0);\
		2297	corr = 0.5*(ctx.measureText(xtxt).width);\
		2298	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		2299	};\
		2300	}else{\
		2301	ctx.lineWidth = 0.2*line_width;\
		2302	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2303	};\
		2304	if( x_e >= xmarge ){\
		2305	ctx.beginPath();\
		2306	ctx.moveTo(x_e,0);\
		2307	ctx.lineTo(x_e,ysize - ymarge);\
		2308	ctx.stroke();\
		2309	ctx.closePath();\
		2310	};\
		2311	};\
		2312	};\
		2313	for(var p = y_min; p <= y_max ; p++){\
		2314	num = Math.pow(ylogbase,p);\
		2315	for(var i = 1 ; i < ylogbase ; i++){\
		2316	y_e = y2px(i*num);\
		2317	if( i == 1 ){\
		2318	ctx.lineWidth = line_width;\
		2319	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2320	if( use_axis_numbering != -1 && p > y_min){\
		2321	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		2322	};\
		2323	}else{\
		2324	ctx.lineWidth = 0.2*line_width;\
		2325	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2326	};\
		2327	ctx.beginPath();\
		2328	ctx.moveTo(xmarge,y_e);\
		2329	ctx.lineTo(xsize,y_e);\
		2330	ctx.stroke();\
		2331	ctx.closePath();\
		2332	};\
		2333	};\
		2334	ctx.restore();\
		2335	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		2336	break;
		2337
		2338	case DRAW_XLOGSCALE:
		2339	fprintf(js_include_file,"\n/* draw xlogscale */\
		2340	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,ymajor,yminor,precision){\
		2341	var obj;\
		2342	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		2343	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		2344	}\
		2345	else\
		2346	{\
		2347	obj = create_canvas%d(canvas_type,xsize,ysize);\
		2348	};\
		2349	var ctx = obj.getContext(\"2d\");\
		2350	ctx.clearRect(0,0,xsize,ysize);\
		2351	ctx.save();\
		2352	ctx.lineWidth = line_width;\
		2353	var prec = Math.log(precision)/Math.log(10);\
		2354	var x_min = Math.log(xmin)/Math.log(xlogbase);\
		2355	var x_max = Math.log(xmax)/Math.log(xlogbase);\
		2356	var y_min = 0;var y_max = ysize;var x_e;var corr;\
		2357	var xtxt;var ytxt;var num;var xmarge;var ymarge;\
		2358	if(use_axis_numbering != -1){\
		2359	ctx.font = font_family;\
		2360	xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
		2361	ymarge = parseInt(1.5*font_size);\
		2362	ctx.save();\
		2363	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		2364	ctx.rect(0,0,xmarge,ysize);\
		2365	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		2366	ctx.fill();\
		2367	ctx.restore();\
		2368	}else{xmarge = 0;ymarge = 0;};\
		2369	if( typeof(xaxislabel) !== 'undefined' ){\
		2370	ctx.save();\
15313	schaersvoo	2371	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2372	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2373	corr = ctx.measureText(xaxislabel).width;\
		2374	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		2375	ctx.restore();\
		2376	};\
		2377	if( typeof(yaxislabel) !== 'undefined' ){\
		2378	ctx.save();\
15313	schaersvoo	2379	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2380	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2381	corr = ctx.measureText(yaxislabel).width;\
		2382	ctx.translate(xmarge+font_size,corr+font_size);\
		2383	ctx.rotate(-0.5*Math.PI);\
		2384	ctx.fillText(yaxislabel,0,0);\
		2385	ctx.restore();\
		2386	};\
		2387	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2388	ctx.lineWidth = line_width;\
		2389	for(var p = x_min; p <= x_max ; p++){\
		2390	num = Math.pow(xlogbase,p);\
		2391	for(var i = 1 ; i < xlogbase ; i++){\
		2392	x_e = x2px(i*num);\
		2393	if( i == 1 ){\
		2394	ctx.lineWidth = line_width;\
		2395	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2396	if( use_axis_numbering != -1 && p > x_min ){\
		2397	xtxt = xlogbase+'^'+p.toFixed(0);\
		2398	corr = 0.5*(ctx.measureText(xtxt).width);\
		2399	ctx.fillText(xtxt,x_e - corr,ysize - 4);\
		2400	};\
		2401	}else{\
		2402	ctx.lineWidth = 0.2*line_width;\
		2403	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2404	};\
		2405	if( x_e >= xmarge ){\
		2406	ctx.beginPath();\
		2407	ctx.moveTo(x_e,0);\
		2408	ctx.lineTo(x_e,ysize - ymarge);\
		2409	ctx.stroke();\
		2410	ctx.closePath();\
		2411	};\
		2412	};\
		2413	};\
		2414	var stepy = Math.abs(y2px(ymajor) - y2px(0));\
		2415	var minor_step = stepy / yminor;\
		2416	for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
		2417	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2418	ctx.lineWidth = line_width;\
		2419	ctx.beginPath();\
		2420	ctx.moveTo(xmarge,y);\
		2421	ctx.lineTo(xsize,y);\
		2422	ctx.stroke();\
		2423	ctx.closePath();\
		2424	if( use_axis_numbering != -1){\
		2425	ytxt = (px2y(y)).toFixed(prec);\
		2426	ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
		2427	};\
		2428	for(var dy = 1 ; dy < yminor ; dy++){\
		2429	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2430	ctx.lineWidth = 0.2*line_width;\
		2431	ctx.beginPath();\
		2432	ctx.moveTo(xmarge,y+dy*minor_step);\
		2433	ctx.lineTo(xsize,y+dy*minor_step);\
		2434	ctx.stroke();\
		2435	ctx.closePath();\
		2436	};\
		2437	};\
		2438	ctx.restore();\
		2439	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		2440	break;
		2441
		2442	case DRAW_YLOGSCALE:
		2443	fprintf(js_include_file,"\n/* draw ylogscale */\
		2444	var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,xmajor,xminor,precision){\
		2445	var obj;\
		2446	if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
		2447	obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
		2448	}\
		2449	else\
		2450	{\
		2451	obj = create_canvas%d(canvas_type,xsize,ysize);\
		2452	};\
		2453	var ctx = obj.getContext(\"2d\");\
		2454	ctx.clearRect(0,0,xsize,ysize);\
		2455	ctx.save();\
		2456	ctx.lineWidth = line_width;\
		2457	var y_min = Math.log(ymin)/Math.log(ylogbase);\
		2458	var y_max = Math.log(ymax)/Math.log(ylogbase);\
		2459	var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
		2460	if(use_axis_numbering != -1){\
		2461	ctx.font = font_family;\
		2462	xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
		2463	ymarge = 2*font_size;\
		2464	ctx.save();\
		2465	ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
		2466	ctx.rect(0,0,xmarge,ysize);\
		2467	ctx.rect(0,ysize-ymarge,xsize,ysize);\
		2468	ctx.fill();\
		2469	ctx.restore();\
		2470	}else{xmarge = 0;ymarge = 0;};\
		2471	if( typeof(xaxislabel) !== 'undefined' ){\
		2472	ctx.save();\
15313	schaersvoo	2473	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2474	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2475	corr = ctx.measureText(xaxislabel).width;\
		2476	ctx.fillText(xaxislabel,xsize - 1.5corr,ysize - 2font_size);\
		2477	ctx.restore();\
		2478	};\
		2479	if( typeof(yaxislabel) !== 'undefined' ){\
		2480	ctx.save();\
15313	schaersvoo	2481	ctx.font = \"italic \"+font_size+\"px Arial\";\
15111	schaersvoo	2482	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2483	corr = ctx.measureText(yaxislabel).width;\
		2484	ctx.translate(xmarge+font_size,corr+font_size);\
		2485	ctx.rotate(-0.5*Math.PI);\
		2486	ctx.fillText(yaxislabel,0,0);\
		2487	ctx.restore();\
		2488	};\
		2489	ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
		2490	ctx.lineWidth = line_width;\
		2491	for(var p = y_min; p <= y_max ; p++){\
		2492	num = Math.pow(ylogbase,p);\
		2493	for(var i = 1 ; i < ylogbase ; i++){\
		2494	y_e = y2px(i*num);\
		2495	if( i == 1 ){\
		2496	ctx.lineWidth = line_width;\
		2497	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2498	if( use_axis_numbering != -1 && p > y_min){\
		2499	ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
		2500	};\
		2501	}else{\
		2502	ctx.lineWidth = 0.2*line_width;\
		2503	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2504	};\
		2505	ctx.beginPath();\
		2506	ctx.moveTo(xmarge,y_e);\
		2507	ctx.lineTo(xsize,y_e);\
		2508	ctx.stroke();\
		2509	ctx.closePath();\
		2510	};\
		2511	};\
		2512	var stepx = Math.abs(x2px(xmajor) - x2px(0));\
		2513	var minor_step = stepx / xminor;\
		2514	var prec = Math.log(precision)/Math.log(10);\
		2515	var xtxt;var corr;var flip = 0;\
		2516	for(var x = stepx ; x < xsize ; x = x + stepx){\
		2517	ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
		2518	ctx.lineWidth = line_width;\
		2519	ctx.beginPath();\
		2520	ctx.moveTo(x,ysize-ymarge);\
		2521	ctx.lineTo(x,0);\
		2522	ctx.stroke();\
		2523	ctx.closePath();\
		2524	if( use_axis_numbering != -1){\
		2525	xtxt = (px2x(x)).toFixed(prec);\
		2526	corr = 0.5*(ctx.measureText(xtxt).width);\
		2527	if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
		2528	flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
		2529	};\
		2530	for(var dx = 1 ; dx < xminor ; dx++){\
		2531	ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
		2532	ctx.lineWidth = 0.2*line_width;\
		2533	ctx.beginPath();\
		2534	ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
		2535	ctx.lineTo(x+dx*minor_step,0);\
		2536	ctx.stroke();\
		2537	ctx.closePath();\
		2538	};\
		2539	};\
		2540	ctx.restore();\
		2541	};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
		2542	break;
		2543
		2544	case ADD_USER_INPUTS:
		2545	fprintf(js_include_file,"\n/* add_input_xy */\
		2546	function add_input_xy(){\
		2547	if( wims_status == \"done\" ){return;};\
		2548	var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
		2549	var input_xy_div = document.createElement('div');\
		2550	input_xy_div.id = \"input_xy_div\";\
		2551	tooltip_div.appendChild(input_xy_div);",canvas_root_id);
		2552
		2553	if(strstr(draw_type,"polyline") != NULL \|\| strstr(draw_type,"point") != NULL \|\| strstr(draw_type,"cross") != NULL ){ /* ( input_x : input_y )*/
		2554	type=1;
		2555	fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x'/> : <input type='text' size='2' value='' id='userinput_y'/>)<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
		2556	}else{
		2557	if(strstr(draw_type,"circle") != NULL ){/* M: (input_x :input_y) R:input_r*/
		2558	type=2;
		2559	fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>M: (<input type='text' size='2' value='' id='userinput_x'/> : <input type='text' size='2' value='' id='userinput_y'/>)   R: <input type='text' size='2' value='' id='userinput_r'/><input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
		2560	}else{
		2561	type=3;
		2562	if(strstr(draw_type,"segment") != NULL \|\| strstr(draw_type,"line") != NULL \|\| strstr(draw_type,"arrow") != NULL ){ /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) */
		2563	fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x1'/> : <input type='text' size='2' value='' id='userinput_y1'/>) −−− (<input type='text' size='2' value='' id='userinput_x2'/> : <input type='text' size='2' value='' id='userinput_y2'/>)<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
		2564	}else{
		2565	type=4;
		2566	if(strstr(draw_type,"triang") != NULL ){ /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) --- ( input_x3 : input_y3) */
		2567	fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>⃤  <input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/><br/>(<input type='text' size='2' value='' id='userinput_x1'/> : <input type='text' size='2' value='' id='userinput_y1'/>)<br/>(<input type='text' size='2' value='' id='userinput_x2'/> : <input type='text' size='2' value='' id='userinput_y2'/>)<br/>(<input type='text' size='2' value='' id='userinput_x3'/> : <input type='text' size='2' value='' id='userinput_y3'/>)</span> \";",css_class);
		2568	}else{
		2569	type=5;
		2570	if(strstr(draw_type,"text") != NULL ){ /Text: input_r ( input_x1 : input_y1) /
		2571	fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x'/>:<input type='text' size='2' value='' id='userinput_y'/>) <input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
		2572	}else{canvas_error("command 'userinput' or 'userinput_xy' is not supported for your 'userdraw' type...");
		2573	}}}}}
		2574
		2575	fprintf(js_include_file,"\
		2576	var update_button = document.getElementById(\"update_button\");\
		2577	var delete_button = document.getElementById(\"delete_button\");\
		2578	update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
		2579	delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
		2580	};add_input_xy();");
		2581
		2582	switch(type){
		2583	case 1:
		2584	fprintf(js_include_file,"\n/* add_input_xy */\
		2585	function update_me(){\
15529	schaersvoo	2586	var x = safe_eval(document.getElementById('userinput_x').value);\
		2587	var y = safe_eval(document.getElementById('userinput_y').value);\
15111	schaersvoo	2588	userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
		2589	return;\
		2590	};");break;
		2591	case 2:
		2592	fprintf(js_include_file,"\n/* add_input_xy */\
		2593	function update_me(){\
15529	schaersvoo	2594	var x = safe_eval(document.getElementById('userinput_x').value);\
		2595	var y = safe_eval(document.getElementById('userinput_y').value);\
		2596	var r = safe_eval(document.getElementById('userinput_r').value);\
15111	schaersvoo	2597	r = scale_x_radius(r);\
		2598	userdraw_radius.push(r);userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
		2599	return;\
		2600	};");break;
		2601	case 3:
		2602	fprintf(js_include_file,"\n/* add_input_xy */\
		2603	function update_me(){\
		2604	var x,y;\
		2605	for(var p=1; p<3;p++){\
15529	schaersvoo	2606	x = safe_eval(document.getElementById('userinput_x'+p).value);\
		2607	y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111	schaersvoo	2608	userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
		2609	};\
		2610	return;\
		2611	};");
		2612	break;
		2613	case 4:
		2614	fprintf(js_include_file,"\n/* add_input_xy */\
		2615	function update_me(){\
		2616	var x,y;\
		2617	for(var p=1; p<4;p++){\
15529	schaersvoo	2618	x = safe_eval(document.getElementById('userinput_x'+p).value);\
		2619	y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111	schaersvoo	2620	userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
		2621	};\
		2622	return;\
		2623	};");
		2624	break;
		2625	case 5:
		2626	/* a inputfield with 'id=userdraw_text_abc' is provided by command 'userdraw text,color'*/
		2627	fprintf(js_include_file,"\n/* add_input_xy */\
		2628	function update_me(){\
15529	schaersvoo	2629	var x = safe_eval(document.getElementById('userinput_x').value);\
		2630	var y = safe_eval(document.getElementById('userinput_y').value);\
15111	schaersvoo	2631	var txt = conv_to_unicode(document.getElementById('userdraw_text_abc').value);\
		2632	userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));userdraw_text.push(txt.replace(/\\\\/g,' '));\
		2633	return;\
		2634	};");
		2635	break;
		2636	default: canvas_error("hmmm, I've no idea...");break;
		2637	}
		2638
		2639	break;
		2640
		2641	default:break;
		2642	}
		2643	}
		2644	}
		2645	return;
		2646	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasutils.c – Rev 16712