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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(5*x))\\n(3*x+4)/(x^(2*pi)) \");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(5*x))\\n(3*x+4)/(x^(2*pi))\");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(5*x))\\n(3*x+4)/(x^(2*pi)) \");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(5*x))\\n(3*x+4)/(x^(2*pi))\");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(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
267
 };\
268
 function y_zoom(py){\
269
  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
270
  return parseFloat(-1*y*ysize/(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(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
296
 };\
297
 function y_zoom(py){\
298
  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
299
  return parseFloat(-1*y*ysize/(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:mx*im[0]+my*im[2]+im[4], y:mx*im[1]+my*im[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 = 0.5*img[8];ymarge = 0.5*img[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] - 0.5*width);img[6] = parseInt(img[6] - 0.5*height);};\
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
 
16714 schaersvoo 721
case DRAW_SUBSUP:/* Uses 'script-size for numbers and for sub & sup strings */
16722 schaersvoo 722
/* use_offset
723
 0=none;
724
 1=yoffset
725
 2=xoffset
726
 3=xyoffset
727
 4=centered
728
*/
16700 schaersvoo 729
fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\
16722 schaersvoo 730
function draw_subsup(ctx,x,y,txt,use_offset){\
16834 schaersvoo 731
 var fnt = ctx.font;\
732
 var S = fnt.replace(/[A-Za-z]/g, '');\
733
 var s = 0.8*S;\
734
 var px;if(fnt.indexOf('px')>0){px = 'px';}else{if(fnt.indexOf('em')>0){px = 'em';}else{px = 'pt';}};\
16712 schaersvoo 735
 var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\
16722 schaersvoo 736
 var m = 0.4*(ctx.measureText(txt).width);\
737
 var h = ctx.measureText('M').width;\
738
 switch(use_offset){\
739
  case 0:break;\
740
  case 1:y=y-h;;break;\
741
  case 2:x=x+h;break;\
742
  case 3:x=x+h;y=y-h;;break;\
743
  case 4:x=x-m;break;\
744
  default:break;\
745
 };\
16834 schaersvoo 746
 ctx.font = S+px+' Helvetica';ctx.textBaseline = baseline;\
16705 schaersvoo 747
 for( c = 0 ; c < len ;c++){\
16700 schaersvoo 748
  C = txt.charAt(c);space = 0;\
16834 schaersvoo 749
  if(C == '_'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);}\
16714 schaersvoo 750
  else\
16834 schaersvoo 751
  if(C == '^'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);}\
16714 schaersvoo 752
  else\
16834 schaersvoo 753
  if(C == ' '){ctx.font = S+px+' Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';}\
16714 schaersvoo 754
  else\
755
  if(C >= '0' && C <= '9'){ctx.font = s+'px Helvetica';}\
16834 schaersvoo 756
  else{ctx.font = S+px+' Helvetica';};\
16712 schaersvoo 757
  ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\
16700 schaersvoo 758
 };\
16705 schaersvoo 759
 ctx.stroke();\
16700 schaersvoo 760
 ctx.restore();\
761
 return;\
762
};");
763
break;
764
 
15111 schaersvoo 765
case DRAW_TEXTFILL:/* not  used for userdraw */
766
fprintf(js_include_file,"\n/* draw textfill */\
767
var text_fill_pattern;\
768
function draw_textfill(canvas_type,x0,y0,color,fontfamily,xsize,ysize,txt,use_userdraw){\
769
var fc = %d+canvas_type;\
770
var obj = create_canvas%d(fc,xsize,ysize);\
771
var ctx = obj.getContext('2d');\
772
ctx.font = fontfamily;\
773
var dx = 2+(ctx.measureText(txt)).width;\
774
var dy = 2+(ctx.measureText('MI')).width;\
775
ctx.fillStyle='rgba(255,255,255,0.01)';\
776
ctx.rect(0,0,xsize,ysize);\
777
ctx.fill();\
778
ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
779
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
780
for(var x = 0 ; x <= xsize ; x = x + dx ){\
781
 for(var y = 0 ; y <= ysize ; y = y + dy ){\
782
  ctx.fillText(txt, x, y);\
783
 };\
784
};\
785
if( use_userdraw ){\
786
 text_fill_pattern = ctx;\
787
}\
788
else\
789
{\
790
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
791
};\
792
return;};",canvas_root_id,canvas_root_id);
793
break;
794
 
795
case DRAW_DIAMONDFILL:/* not used for userdraw */
796
fprintf(js_include_file,"\n/* draw hatch fill */\
797
var diamond_fill_pattern;\
798
function draw_diamondfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
799
if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
800
var fc = %d+canvas_type;\
801
var obj = create_canvas%d(fc,xsize,ysize);\
802
var ctx = obj.getContext('2d');\
803
var x;\
804
var y;\
805
ctx.lineWidth = linewidth;\
806
ctx.fillStyle='rgba(255,255,255,0.01)';\
807
ctx.rect(0,0,xsize,ysize);\
808
ctx.fill();\
809
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
810
y = ysize;\
811
ctx.beginPath();\
812
for( x = 0 ; x <= xsize ; x = x + dx ){\
813
  ctx.moveTo(x,0);\
814
  ctx.lineTo(xsize,y);\
815
  y = y - dy;\
816
};\
817
y=0;\
818
for( x = xsize ; x >= 0 ; x = x - dx){\
819
 ctx.moveTo(x,ysize);\
820
 ctx.lineTo(0,y);\
821
 y = y + dy;\
822
};\
823
y = 0;\
824
for( x = 0 ; x <= xsize ; x = x + dx ){\
825
 ctx.moveTo(x,0);\
826
 ctx.lineTo(0,y);\
827
 y = y + dy;\
828
};\
829
y = 0;\
830
for( x = 0 ; x <= xsize ; x = x + dx ){\
831
 ctx.moveTo(xsize,y);\
832
 ctx.lineTo(x,ysize);\
833
 y = y + dy;\
834
};\
835
ctx.closePath();\
836
ctx.stroke();\
837
if( use_userdraw ){\
838
 diamond_fill_pattern = ctx;\
839
}\
840
else\
841
{\
842
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
843
};\
844
return;\
845
}",canvas_root_id,canvas_root_id);
846
break;
847
 
848
case DRAW_HATCHFILL:/* not used for userdraw */
849
fprintf(js_include_file,"\n/* draw hatch fill */\
850
var hatch_fill_pattern;\
851
function draw_hatchfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
852
if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
853
var fc = %d+canvas_type;\
854
var obj = create_canvas%d(fc,xsize,ysize);\
855
var ctx = obj.getContext('2d');\
856
var x,y;\
857
ctx.fillStyle='rgba(255,255,255,0.01)';\
858
ctx.rect(0,0,xsize,ysize);\
859
ctx.fill();\
860
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
861
ctx.lineWidth = linewidth;\
862
y = ysize;\
863
ctx.beginPath();\
864
for( x = 0 ; x <= xsize ; x = x + dx ){\
865
 ctx.moveTo(x,0);\
866
 ctx.lineTo(xsize,y);\
867
 y = y - dy;\
868
};\
869
y = 0;\
870
for( x = xsize ; x >= dx ; x = x - dx){\
871
 ctx.moveTo(x,ysize);\
872
 ctx.lineTo(0,y);\
873
 y = y + dy;\
874
};\
875
ctx.closePath();\
876
ctx.stroke();\
877
if( use_userdraw ){\
878
 hatch_fill_pattern = ctx;\
879
}\
880
else\
881
{\
882
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
883
};\
884
return;};",canvas_root_id,canvas_root_id);
885
break;
886
 
887
case DRAW_LINES:/*  used for js-tracing */
888
fprintf(js_include_file,"\n/* draw lines */\
889
function calc_line(x1,x2,y1,y2){\
890
 var marge = 2;\
891
 if(x1 < x2+marge && x1>x2-marge){\
892
  return [x1,0,x1,ysize];\
893
 };\
894
 if(y1 < y2+marge && y1>y2-marge){\
895
  return [0,y1,xsize,y1];\
896
 };\
897
 var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
898
 var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
899
 return [0,Y1,xsize,Y2];\
900
};\
901
var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
902
 ctx.save();\
903
 var line = new Array(4);\
904
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
905
 ctx.lineWidth = line_width;\
906
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
907
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
908
 for(var p = 0 ; p < x_points.length ; p = p+2 ){\
909
  line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
910
  ctx.beginPath();\
911
  ctx.moveTo(line[0],line[1]);\
912
  ctx.lineTo(line[2],line[3]);\
913
  ctx.closePath();\
914
  ctx.stroke();\
915
  }\
916
  ctx.restore();\
917
  return;\
918
 };");
919
break;
920
 
921
case DRAW_CROSSHAIRS:/*  used for tracing */
922
fprintf(js_include_file,"\n/* draw crosshairs  */\
923
var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle){\
924
 ctx.save();\
925
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
926
 ctx.lineWidth = line_width;\
927
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
928
 var x1,x2,y1,y2;\
929
 for(var p = 0 ; p < x_points.length ; p++ ){\
930
  x1 = x_points[p] - crosshair_size;\
931
  x2 = x_points[p] + crosshair_size;\
932
  y1 = y_points[p] - crosshair_size;\
933
  y2 = y_points[p] + crosshair_size;\
934
  ctx.beginPath();\
935
  ctx.moveTo(x1,y1);\
936
  ctx.lineTo(x2,y2);\
937
  ctx.closePath();\
938
  ctx.stroke();\
939
  ctx.beginPath();\
940
  ctx.moveTo(x2,y1);\
941
  ctx.lineTo(x1,y2);\
942
  ctx.closePath();\
943
  ctx.stroke();\
944
 }\
945
 ctx.restore();\
946
  return;\
947
};");
948
break;
949
 
950
case DRAW_VIDEO:/* not  used for userdraw */
951
fprintf(js_include_file,"\n/* draw video */\
952
var draw_video = function(canvas_root_id,x,y,w,h,URL){\
953
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
954
 var video_div = document.createElement(\"div\");\
955
 canvas_div.appendChild(video_div);\
956
 video_div.style.position = \"absolute\";\
957
 video_div.style.left = x+\"px\";\
958
 video_div.style.top = y+\"px\";\
959
 video_div.style.width = w+\"px\";\
960
 video_div.style.height = h+\"px\";\
961
 var video = document.createElement(\"video\");\
962
 video_div.appendChild(video);\
963
 video.style.width = w+\"px\";\
964
 video.style.height = h+\"px\";\
965
 video.autobuffer = true;\
966
 video.controls = true;video.autoplay = false;\
967
 var src = document.createElement(\"source\");\
968
 src.type = \"video/mp4\";\
969
 src.src = URL;\
970
 video.appendChild(src);\
971
 video.load();\
972
 return;\
973
};");
974
break;
975
 
976
case DRAW_AUDIO:/* not used for userdraw */
977
fprintf(js_include_file,"\n/* draw audio */\
978
var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
979
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
980
 var audio_div = document.createElement(\"div\");\
981
 canvas_div.appendChild(audio_div);\
982
 audio_div.style.position = \"absolute\";\
983
 audio_div.style.left = x+\"px\";\
984
 audio_div.style.top = y+\"px\";\
985
 audio_div.style.width = w+\"px\";\
986
 audio_div.style.height = h+\"px\";\
987
 var audio = document.createElement(\"audio\");\
988
 audio_div.appendChild(audio);\
989
 audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
990
 audio.autobuffer = true;\
991
 if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
992
 if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
993
 var src1 = document.createElement(\"source\");\
994
 src1.type = \"audio/ogg\";\
995
 src1.src = URL1;\
996
 audio.appendChild(src1);\
997
 var src2 = document.createElement(\"source\");\
998
 src2.type = \"audio/mpeg\";\
999
 src2.src = URL2;\
1000
 audio.appendChild(src2);\
1001
 audio.load();\
1002
 return;\
1003
};");
1004
break;
1005
 
1006
case DRAW_HTTP:/* not  used for userdraw */
1007
fprintf(js_include_file,"\n/* draw http */\
1008
var draw_http = function(canvas_root_id,x,y,w,h,URL){\
1009
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
1010
 var http_div = document.createElement(\"div\");\
1011
 var iframe = document.createElement(\"iframe\");\
1012
 canvas_div.appendChild(http_div);\
1013
 http_div.appendChild(iframe);\
1014
 iframe.src = URL;\
1015
 iframe.setAttribute(\"width\",w);\
1016
 iframe.setAttribute(\"height\",h);\
1017
 return;\
1018
};");
1019
break;
1020
 
1021
case DRAW_XML:
1022
/*
1023
!! function draw_xml(object)
1024
!! produced by : DRAW_XML
1025
!! used by commands: katex,latex,mathml,html,obabel
1026
!! uses js-functions: calculate_size(xml_div),rad2deg(rad)
1027
!! user interaction: drag,onclick,slider
1028
!! reply function: read_dragdrop()
1029
 
1030
onclick=0; no interaction
1031
onclick=1: click
1032
onclick=2: drag ==> always centered (use_offset=4)
1033
onclick=3: slider + click on object
1034
onclick=4: slider (always active , keyword 'active' in slider params)
1035
onclick=5: slider + dragdrop
1036
xy:  drag_type = 0;
1037
x:   drag_type = 1;
1038
y:   drag_type = 2;
1039
 
1040
obj.type: mathml,katex,html,svg,image(bitmap) (attention: for centering image needs to be measured after loading page !!)
1041
*/
1042
 
1043
fprintf(js_include_file,"\n/* draw xml */\
1044
function centered(xml_div,obj){\
1045
 var ww = 0.5*(parseFloat(window.getComputedStyle(xml_div).width));\
1046
 var hh = 0.5*(parseFloat(window.getComputedStyle(xml_div).height));\
1047
 obj.offset = [ ww , hh ];\
16638 bpr 1048
 xml_div.style.left = obj.x[0] - obj.offset[0] +'px';xml_div.style.top  = obj.y[0] - obj.offset[1] +'px';\
15111 schaersvoo 1049
};\
1050
function rad2deg(rad){return rad*180/(Math.PI);};\
1051
if( typeof(slidergroup) !== 'object' ){ var slidergroup = [];};\
1052
function draw_xml(obj){\
1053
 var mouse;var xy = [obj.x[0],obj.y[0]];\
1054
 var xml_div;\
1055
 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};\
1056
 if( obj.once ){\
1057
  xml_div = document.createElement('DIV');\
1058
  canvas_div.appendChild(xml_div);\
1059
  if( obj.type == 'katex' ){ obj.mathml = LoadKaTeX('html',obj.mathml);};\
1060
  xml_div.id = 'xml_div'+obj.id;\
1061
  xml_div.innerHTML = obj.mathml;\
1062
  xml_div.style.position = \"absolute\";\
1063
  xml_div.style.color = \"rgba(\"+obj.stroke_color+\",\"+obj.stroke_opacity+\")\";\
1064
  xml_div.style.font = obj.fontfamily;\
1065
  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 1066
  if( obj.use_center == 1 ){if( obj.type == 'image' ){xml_div.addEventListener('load',function(e){centered(xml_div,obj);},true);}else{%s};};\
15111 schaersvoo 1067
 }\
1068
 else\
1069
 {\
1070
  xml_div = document.getElementById('xml_div'+obj.id );\
1071
 };\
1072
 if( typeof(xml_div) === 'undefined' ){console.log('hmmmmm'); return;};\
1073
 xml_div.style.left = parseInt(obj.x[0] - obj.offset[0]) +'px';\
1074
 xml_div.style.top  = parseInt(obj.y[0] - obj.offset[1]) +'px';\
1075
 var back_color = 'rgba('+obj.fill_color+','+obj.fill_opacity+')';\
1076
 var no_color = 'rgba(255,255,255,0)';var dragging = false;\
1077
 if( obj.use_affine != 0 || obj.angle != 0 ){\
1078
  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)';\
1079
 };\
1080
 if( obj.once ){\
1081
  obj.once = false;\
1082
  switch(obj.onclick){\
1083
   case 2:\
1084
    if(isTouch){\
1085
     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);\
1086
     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);\
1087
     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);\
1088
     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);\
1089
    }else{\
1090
     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);\
1091
     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);\
1092
     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);\
1093
    };\
1094
    break;\
1095
   case 1:\
1096
    if(isTouch ){\
1097
     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);\
1098
    }else{\
1099
     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);\
1100
    };\
1101
    break;\
1102
   case 3:\
1103
    if(isTouch ){\
1104
     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);\
1105
    }else{\
1106
     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);\
1107
    };\
1108
    break;\
1109
   case 4:slidergroup[obj.object_cnt] = obj;break;\
1110
   case 5:slidergroup[obj.object_cnt] = obj;\
1111
    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);\
1112
    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);\
1113
    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);\
1114
    break;\
1115
   default: break;\
1116
  };\
1117
 };\
1118
 return;\
16642 schaersvoo 1119
};",mathjax);
15111 schaersvoo 1120
 
1121
/*
1122
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));\
1123
*/
1124
break;
1125
 
1126
case DRAW_SGRAPH:
1127
/*
1128
 xstart = given
1129
 ystart = given
1130
 sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
1131
*/
1132
fprintf(js_include_file,"\n/* draw sgraph */\
1133
var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
1134
 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);};\
1135
 var ctx = obj.getContext(\"2d\");\
1136
 ctx.font = fontfamily;\
1137
 var minor_opacity = 0.8*opacity;\
1138
 ctx.clearRect(0,0,xsize,ysize);\
1139
 var zero_x = 0.1*xsize;\
1140
 var zero_y = 0.9*ysize;\
1141
 var snor_x;var snor_y;\
1142
 if( xstart != xmin){\
1143
  snor_x = 0.1*xsize;\
1144
 }\
1145
 else\
1146
 {\
1147
  snor_x = 0;\
1148
  xstart = xmin;\
1149
 };\
1150
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1151
 ctx.lineWidth = 2;\
1152
 ctx.beginPath();\
1153
 ctx.moveTo(xsize,zero_y);\
1154
 ctx.lineTo(zero_x,zero_y);\
1155
 ctx.lineTo(zero_x,0);\
1156
 ctx.stroke();\
1157
 ctx.closePath();\
1158
 ctx.beginPath();\
1159
 ctx.moveTo(zero_x,zero_y);\
1160
 ctx.lineTo(zero_x + 0.25*snor_x,zero_y - 0.1*snor_x);\
1161
 ctx.lineTo(zero_x + 0.5*snor_x,zero_y + 0.1*snor_x);\
1162
 ctx.lineTo(zero_x + 0.75*snor_x,zero_y - 0.1*snor_x);\
1163
 ctx.lineTo(zero_x + snor_x,zero_y);\
1164
 ctx.stroke();\
1165
 ctx.closePath();\
1166
 ctx.beginPath();\
1167
 var num = xstart;\
1168
 var flipflop = 1;\
1169
 var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
1170
 var txtsize;var txt_marge=step_x - 5;\
1171
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1172
  txtsize = ctx.measureText(num).width;\
1173
  if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
1174
  if( flipflop == 1){\
1175
   ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
1176
  }\
1177
  else\
1178
  {\
1179
   ctx.fillText(num,x - 0.5*txtsize,zero_y+2*font_size);\
1180
  };\
1181
  num = num + xmajor;\
1182
 };\
1183
 ctx.stroke();\
1184
 ctx.closePath();\
1185
 ctx.lineWidth = 1;\
1186
 ctx.beginPath();\
1187
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1188
   ctx.moveTo(x,zero_y);\
1189
   ctx.lineTo(x,0);\
1190
 };\
1191
 ctx.stroke();\
1192
 ctx.closePath();\
1193
 if( xminor > 1){\
1194
  ctx.lineWidth = 0.5;\
1195
  ctx.beginPath();\
1196
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
1197
  var minor_step_x = step_x / xminor;\
1198
  var nx;\
1199
  for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
1200
    num = 1;\
1201
    for(var p = 1 ; p < xminor ; p++){\
1202
     nx = x + num*minor_step_x;\
1203
     ctx.moveTo(nx,zero_y);\
1204
     ctx.lineTo(nx,0);\
1205
     num++;\
1206
    };\
1207
  };\
1208
  ctx.stroke();\
1209
  ctx.closePath();\
1210
  ctx.beginPath();\
1211
  ctx.lineWidth = 2;\
1212
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1213
  for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1214
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
1215
  };\
1216
  for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
1217
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
1218
  };\
1219
  ctx.stroke();\
1220
  ctx.closePath();\
1221
  ctx.lineWidth = 0.5;\
1222
 };\
1223
 xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
1224
 if( ystart != ymin){\
1225
  snor_y = 0.1*ysize;\
1226
 }\
1227
 else\
1228
 {\
1229
  snor_y = 0;\
1230
  ystart = ymin;\
1231
 };\
1232
 ctx.lineWidth = 2;\
1233
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1234
 ctx.beginPath();\
1235
 ctx.moveTo(zero_x,zero_y);\
1236
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.25*snor_y);\
1237
 ctx.lineTo(zero_x + 0.1*snor_y,zero_y - 0.5*snor_y);\
1238
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.75*snor_y);\
1239
 ctx.lineTo(zero_x,zero_y - snor_y);\
1240
 ctx.stroke();\
1241
 ctx.closePath();\
1242
 ctx.beginPath();\
1243
 ctx.lineWidth = 1;\
1244
 num = ystart;\
1245
 var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
1246
 for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
1247
  ctx.moveTo(zero_x,y);\
1248
  ctx.lineTo(xsize,y);\
1249
  ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
1250
  num = num + ymajor;\
1251
 };\
1252
 ctx.stroke();\
1253
 ctx.closePath();\
1254
 if( yminor > 1){\
1255
  ctx.lineWidth = 0.5;\
1256
  ctx.beginPath();\
1257
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
1258
  var minor_step_y = step_y / yminor;\
1259
  var ny;\
1260
  for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
1261
   num = 1;\
1262
   for(var p = 1 ;p < yminor;p++){\
1263
     ny = y + num*minor_step_y;\
1264
     ctx.moveTo(zero_x,ny);\
1265
     ctx.lineTo(xsize,ny);\
1266
     num++;\
1267
    };\
1268
  };\
1269
  ctx.stroke();\
1270
  ctx.closePath();\
1271
  ctx.lineWidth = 2;\
1272
  ctx.beginPath();\
1273
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1274
  for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
1275
   ctx.moveTo(zero_x,y);\
1276
   ctx.lineTo(zero_x+12,y);\
1277
  };\
1278
  for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
1279
   ctx.moveTo(zero_x,y);\
1280
   ctx.lineTo(zero_x+6,y);\
1281
  };\
1282
  ctx.stroke();\
1283
  ctx.closePath();\
1284
 };\
1285
 ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
1286
 if( typeof(legend%d)  !== 'undefined' ){\
1287
  ctx.globalAlpha = 1.0;\
1288
  var y_offset = 2*font_size;\
1289
  var txt;var txt_size;\
1290
  var x_offset = xsize - 2*font_size;\
1291
  var l_length = legend%d.length;var barcolor = new Array();\
1292
  if( typeof(legendcolors%d) !== 'undefined' ){\
1293
   for(var p = 0 ; p < l_length ; p++){\
1294
    barcolor[p] = legendcolors%d[p];\
1295
   };\
1296
  }else{\
1297
   if( barcolor.length == 0 ){\
1298
    for(var p = 0 ; p < l_length ; p++){\
1299
     barcolor[p] = stroke_color;\
1300
    };\
1301
   };\
1302
  };\
1303
  for(var p = 0; p < l_length; p++){\
1304
   ctx.fillStyle = barcolor[p];\
1305
   txt = legend%d[p];\
1306
   txt_size = ctx.measureText(txt).width;\
1307
   ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
1308
   y_offset = parseInt(y_offset + 1.5*font_size);\
1309
  };\
1310
 };\
1311
 if( typeof(xaxislabel) !== 'undefined' ){\
1312
   ctx.fillStyle = \'#000000\';\
1313
   var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
1314
   ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
1315
 };\
1316
 if( typeof(yaxislabel) !== 'undefined'){\
1317
   ctx.save();\
1318
   ctx.fillStyle = \'#000000\';\
1319
   var txt_size = ctx.measureText(yaxislabel).width;\
1320
   ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
1321
   ctx.rotate(-0.5*Math.PI);\
1322
   ctx.fillText(yaxislabel,0,0);\
1323
   ctx.restore();\
1324
 };\
1325
};",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);
1326
break;
1327
 
1328
case DRAW_NUMBERLINE:
1329
fprintf(js_include_file,"\n/* draw numberline */\
1330
var draw_numberline = function(canvas_type,use_axis_numbering,x0,x1,xmajor,xminor,y0,y1,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor,precision){\
1331
 var obj = create_canvas%d(canvas_type,xsize,ysize);\
1332
 var ctx = obj.getContext(\"2d\");\
1333
 ctx.lineWidth = linewidth || 1;\
1334
 ctx.strokeStyle = \"rgba(\"+strokecolor+\",\"+strokeopacity+\")\";\
15313 schaersvoo 1335
 ctx.font = fontfamily || 'Arial 12px';\
15111 schaersvoo 1336
 var fontsize = parseInt(ctx.font);\
1337
 ctx.fillStyle =  \"rgba(\"+fontcolor+\",\"+strokeopacity+\")\";\
1338
 x1 = x2px(x1);\
1339
 x0 = x2px(x0);\
1340
 y0 = y2px(y0);\
1341
 y1 = y2px(y1);\
1342
 var sub_devision = -1;\
1343
 if( xminor%%2 == 0 ){ sub_devision = xminor/2; };\
1344
 var ybase1 = parseInt( y0 + fontsize + 2 );\
1345
 var ybase2 = parseInt( ybase1 + fontsize + 2 );\
1346
 var yh = Math.abs(parseInt( y0 - 0.3*(y0 -y1)));\
1347
 var ys = Math.abs(parseInt( y0 - 0.6*(y0 -y1)));\
1348
 xmajor = x2px(xmajor) - x2px(0);\
1349
 var i;var len;var p;\
1350
 xminor = xmajor / xminor;\
1351
 ctx.beginPath();\
1352
 for(p = x0 ; p < x1 ; p = p + xmajor){\
1353
  ctx.moveTo(p,y0);ctx.lineTo(p,y1);i = 0;\
1354
  for(var s = p ; s < p + xmajor ; s = s + xminor ){\
1355
   ctx.moveTo(s,y0);\
1356
   if( sub_devision == i){ ctx.lineTo(s,ys); } else { ctx.lineTo(s,yh); };\
1357
   i++;\
1358
  };\
1359
 };\
1360
 ctx.moveTo(p,y0);ctx.lineTo(p,y1);\
1361
 ctx.closePath();\
1362
 ctx.stroke();\
1363
 if( use_axis_numbering >-1 ){\
1364
  var str = x_strings[use_axis_numbering];\
1365
  len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
1366
  var corr;var x_nums;var x_text;var flipflop = 0;var off = ybase1;\
1367
  ctx.beginPath();\
1368
  if( x_strings_up[use_axis_numbering] == null){\
1369
   for(var p = 0 ; p < len ; p = p+2){\
1370
    var x_nums = x2px(eval(str[p]));\
1371
    var x_text = str[p+1];\
1372
    corr = ctx.measureText(x_text).width;\
1373
    if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
1374
    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),off);\
1375
   };\
1376
  }\
1377
  else\
1378
  {\
1379
   for(var p = 0 ; p < len ; p = p+2){\
1380
    x_nums = x2px(eval(str[p]));\
1381
    x_text = str[p+1];\
1382
    corr = ctx.measureText(x_text).width + ybase1 - fontsize;\
1383
    ctx.save();\
1384
    ctx.translate(x_nums+0.5*fontsize, corr);\
1385
    ctx.rotate(-1.5708);\
1386
    ctx.fillText(x_text,0,0);\
1387
    ctx.restore();\
1388
   };\
1389
  }\
1390
 }\
1391
 else\
1392
 {\
1393
  var corr;var num;var flipflop = 0;var off = ybase1;\
1394
  var prec = parseInt(Math.log(precision)/Math.log(10));\
1395
  for(var p = x0 ; p < x1+xmajor ; p = p+xmajor){\
1396
   num = (px2x(p)).toFixed(prec);\
1397
   corr = ctx.measureText(num).width;\
1398
   if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
1399
   ctx.fillText(num,parseInt(p - 0.5*corr),off);\
1400
  };\
1401
 };\
1402
};",canvas_root_id);
1403
break;
1404
 
1405
case DRAW_GRID:/* not used for userdraw */
1406
fprintf(js_include_file,"\n/* draw grid */\
1407
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){\
1408
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);};\
1409
var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
1410
if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
1411
ctx.save();\
1412
var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1413
ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
1414
var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
1415
ctx.font = font_family;\
1416
var barcolor = new Array();\
1417
var xstep = xsize*xmajor/(xmax - xmin);\
1418
var ystep = ysize*ymajor/(ymax - ymin);\
1419
var x2step = xstep / xminor;\
1420
var y2step = ystep / yminor;\
1421
var zero_x = x2px(0);var zero_y = y2px(0);var f_x;var f_y;\
1422
if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;};\
1423
if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;};\
1424
ctx.beginPath();\
1425
ctx.lineWidth = line_width;\
1426
ctx.strokeStyle = stroke_color;\
1427
for(var p = zero_x ; p < xsize; p = p + xstep){\
1428
 ctx.moveTo(p,0);\
1429
 ctx.lineTo(p,ysize);\
1430
};\
1431
for(var p = zero_x ; p > 0; p = p - xstep){\
1432
 ctx.moveTo(p,0);\
1433
 ctx.lineTo(p,ysize);\
1434
};\
1435
for(var p = zero_y ; p < ysize; p = p + ystep){\
1436
 ctx.moveTo(0,p);\
1437
 ctx.lineTo(xsize,p);\
1438
};\
1439
for(var p = zero_y ; p > 0; p = p - ystep){\
1440
 ctx.moveTo(0,p);\
1441
 ctx.lineTo(xsize,p);\
1442
};\
1443
if( typeof(xaxislabel) !== 'undefined' ){\
1444
 ctx.save();\
15313 schaersvoo 1445
 ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 1446
 var corr =  parseInt(1.1*ctx.measureText(xaxislabel).width);\
1447
 ctx.fillText(xaxislabel,xsize - corr,zero_y - tics_length - 0.4*font_size);\
1448
 ctx.restore();\
1449
};\
1450
if( typeof(yaxislabel) !== 'undefined' ){\
1451
 ctx.save();\
15313 schaersvoo 1452
 ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 1453
 var corr = parseInt(ctx.measureText(yaxislabel).width + font_size);\
1454
 ctx.translate(zero_x+tics_length + font_size,corr);\
1455
 ctx.rotate(-0.5*Math.PI);\
1456
 ctx.fillText(yaxislabel,0,0);\
1457
 ctx.restore();\
1458
};\
1459
ctx.stroke();\
1460
ctx.closePath();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
1461
 
1462
if( use_axis == 1 ){
1463
fprintf(js_include_file,"\
1464
 ctx.save();\
1465
 ctx.beginPath();\
1466
 ctx.strokeStyle = stroke_color;\
1467
 ctx.lineWidth = 0.6*line_width;\
1468
 for(var p = zero_x ; p < xsize; p = p + x2step){\
1469
  ctx.moveTo(p,0);\
1470
  ctx.lineTo(p,ysize);\
1471
 };\
1472
 for(var p = zero_x ; p > 0; p = p - x2step){\
1473
  ctx.moveTo(p,0);\
1474
  ctx.lineTo(p,ysize);\
1475
 };\
1476
 for(var p = zero_y ; p < ysize; p = p + y2step){\
1477
  ctx.moveTo(0,p);\
1478
  ctx.lineTo(xsize,p);\
1479
 };\
1480
 for(var p = zero_y ; p > 0; p = p - y2step){\
1481
  ctx.moveTo(0,p);\
1482
  ctx.lineTo(xsize,p);\
1483
 };\
1484
 ctx.stroke();\
1485
 ctx.closePath();\
1486
 ctx.beginPath();\
1487
 ctx.lineWidth = 2*line_width;\
1488
 ctx.strokeStyle = axis_color;\
1489
 ctx.moveTo(0,zero_y);\
1490
 ctx.lineTo(xsize,zero_y);\
1491
 ctx.moveTo(zero_x,0);\
1492
 ctx.lineTo(zero_x,ysize);\
1493
 ctx.stroke();\
1494
 ctx.closePath();\
1495
 ctx.lineWidth = line_width+0.5;\
1496
 ctx.beginPath();\
1497
 for(var p = zero_x ; p < xsize; p = p + xstep){\
1498
  ctx.moveTo(p,zero_y-tics_length);\
1499
  ctx.lineTo(p,zero_y+tics_length);\
1500
 };\
1501
 for(var p = zero_x ; p > 0; p = p - xstep){\
1502
  ctx.moveTo(p,zero_y-tics_length);\
1503
  ctx.lineTo(p,zero_y+tics_length);\
1504
 };\
1505
 for(var p = zero_y ; p < ysize; p = p + ystep){\
1506
  ctx.moveTo(zero_x-tics_length,p);\
1507
  ctx.lineTo(zero_x+tics_length,p);\
1508
 };\
1509
 for(var p = zero_y ; p > 0; p = p - ystep){\
1510
  ctx.moveTo(zero_x-tics_length,p);\
1511
  ctx.lineTo(zero_x+tics_length,p);\
1512
 };\
1513
 for(var p = zero_x ; p < xsize; p = p + x2step){\
1514
  ctx.moveTo(p,zero_y-0.5*tics_length);\
1515
  ctx.lineTo(p,zero_y+0.5*tics_length);\
1516
 };\
1517
 for(var p = zero_x ; p > 0; p = p - x2step){\
1518
  ctx.moveTo(p,zero_y-0.5*tics_length);\
1519
  ctx.lineTo(p,zero_y+0.5*tics_length);\
1520
 };\
1521
 for(var p = zero_y ; p < ysize; p = p + y2step){\
1522
  ctx.moveTo(zero_x-0.5*tics_length,p);\
1523
  ctx.lineTo(zero_x+0.5*tics_length,p);\
1524
 };\
1525
 for(var p = zero_y ; p > 0; p = p - y2step){\
1526
  ctx.moveTo(zero_x-0.5*tics_length,p);\
1527
  ctx.lineTo(zero_x+0.5*tics_length,p);\
1528
 };\
1529
 ctx.stroke();\
1530
 ctx.closePath();\
1531
 ctx.restore();");
1532
}
1533
 
1534
if( use_axis_numbering != -1 ){
1535
fprintf(js_include_file,"\
1536
 ctx.save();\
1537
 ctx.fillColor = axis_color;\
1538
 ctx.strokeStyle = axis_color;\
1539
 ctx.lineWidth = 2*line_width;\
1540
 ctx.font = font_family;\
1541
 var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
1542
 if( x_strings[use_axis_numbering] != null ){\
1543
  var str = x_strings[use_axis_numbering];\
1544
  var len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
1545
  ctx.beginPath();\
1546
  if( x_strings_up[use_axis_numbering] == null){\
1547
   for(var p = 0 ; p < len ; p = p+2){\
1548
    var x_nums = x2px(eval(str[p]));\
1549
    var x_text = str[p+1];\
1550
    corr = ctx.measureText(x_text).width;\
1551
    skip = 1.2*corr/xstep;\
1552
    if( zero_y+2*font_size > ysize ){shift = ysize - 2*font_size;};\
1553
    if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;};};\
1554
    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
1555
    ctx.moveTo(x_nums,zero_y - tics_length);\
1556
    ctx.lineTo(x_nums,zero_y + tics_length);\
1557
   };\
1558
  }\
1559
  else\
1560
  {\
1561
   for(var p = 0 ; p < len ; p = p+2){\
1562
    var x_nums = x2px(eval(str[p]));\
1563
    var x_text = str[p+1];\
1564
    corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
1565
    if( corr > ysize ){corr = ysize;};\
1566
    ctx.save();\
1567
    ctx.translate(x_nums+0.25*font_size, corr);\
1568
    ctx.rotate(-1.5708);\
1569
    ctx.fillText(x_text,0,0);\
1570
    ctx.restore();\
1571
    ctx.moveTo(x_nums,zero_y - tics_length);\
1572
    ctx.lineTo(x_nums,zero_y + tics_length);\
1573
   };\
1574
  };\
1575
  ctx.closePath();\
1576
 }\
1577
 else\
1578
 {\
1579
  skip = 1;cnt = px2x(zero_x);\
1580
  prec = Math.log(precision)/(Math.log(10));\
1581
  var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
1582
  for( var p = zero_x ; p < xsize ; p = p+xstep){\
1583
   if(skip == 0 ){\
1584
    disp_cnt = cnt.toFixed(prec);\
1585
    corr = ctx.measureText(disp_cnt).width;\
1586
    skip = parseInt(1.2*corr/xstep);\
1587
    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
1588
   }\
1589
   else\
1590
   {\
1591
    skip--;\
1592
   };\
1593
   cnt = cnt + xmajor;\
1594
  };\
1595
  cnt = px2x(zero_x);skip = 1;\
1596
  for( var p = zero_x ; p > 0 ; p = p-xstep){\
1597
   if(skip == 0 ){\
1598
    disp_cnt = cnt.toFixed(prec);\
1599
    corr = ctx.measureText(disp_cnt).width;\
1600
    skip = parseInt(1.2*corr/xstep);\
1601
    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
1602
   }\
1603
   else\
1604
   {\
1605
    skip--;\
1606
   };\
1607
   cnt = cnt - xmajor;\
1608
  };\
1609
 };\
1610
 if( y_strings != null ){\
1611
  var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired:  text missing ! \");return;};\
1612
  ctx.beginPath();\
1613
  for(var p = 0 ; p < len ; p = p+2){\
1614
   var y_nums = y2px(eval(y_strings[p]));\
1615
   var y_text = y_strings[p+1];\
1616
   corr = 2 + tics_length + ctx.measureText(y_text).width;\
1617
   if( corr > zero_x){corr = parseInt(zero_x+2); }\
1618
   ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
1619
   ctx.moveTo(zero_x - tics_length,y_nums);\
1620
   ctx.lineTo(zero_x + tics_length,y_nums);\
1621
  };\
1622
  ctx.closePath();\
1623
 }\
1624
 else\
1625
 {\
1626
  if(f_x == 1){ corr = 1.5*tics_length; }\
1627
  cnt = px2y(zero_y);skip = 1;\
1628
  for( var p = zero_y ; p < ysize ; p = p+ystep){\
1629
   if(skip == 0 ){\
1630
    skip = parseInt(1.4*font_size/ystep);\
1631
    disp_cnt = cnt.toFixed(prec);\
1632
    if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
1633
    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
1634
   }\
1635
   else\
1636
   {\
1637
    skip--;\
1638
   };\
1639
   cnt = cnt - ymajor;\
1640
  };\
1641
  corr = 0;cnt = px2y(zero_y);skip = 1;\
1642
  if(f_x == 1){ corr = 1.5*tics_length; }\
1643
  for( var p = zero_y ; p > 0 ; p = p-ystep){\
1644
   if(skip == 0 ){\
1645
    skip = parseInt(1.4*font_size/ystep);\
1646
    disp_cnt = cnt.toFixed(prec);\
1647
    if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
1648
    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
1649
   }\
1650
   else\
1651
   {\
1652
    skip--;\
1653
   };\
1654
   cnt = cnt + ymajor;\
1655
  };\
1656
 };\
1657
 ctx.stroke();\
1658
 ctx.restore();");
1659
}
1660
 
1661
if( legend_cnt != -1 ){
1662
fprintf(js_include_file,"ctx.save();\
1663
 ctx.globalAlpha = 1.0;\
15313 schaersvoo 1664
 ctx.font = \"bold \"+font_size+\"px Arial\";\
15111 schaersvoo 1665
 var y_offset = 2*font_size;\
1666
 var txt;var txt_size;\
1667
 var x_offset = xsize - 2*font_size;\
1668
 var l_length = legend0.length;\
1669
 if( typeof(legendcolors0) !== 'undefined' ){\
1670
  for(var p = 0 ; p < l_length ; p++){\
1671
    barcolor[p] = legendcolors0[p];\
1672
  };\
1673
 }\
1674
 else\
1675
 {\
1676
  if( barcolor.length == 0 ){\
1677
   for(var p = 0 ; p < l_length ; p++){\
1678
    barcolor[p] = stroke_color;\
1679
   };\
1680
  };\
1681
 };\
1682
 for(var p = 0; p < l_length; p++){\
1683
  ctx.fillStyle = barcolor[p];\
1684
  txt = legend0[p];\
1685
  txt_size = ctx.measureText(txt).width;\
1686
  ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
1687
  y_offset = parseInt(y_offset + 1.5*font_size);\
1688
 };\
1689
 ctx.restore();");
1690
}
1691
 
1692
if( barchart_cnt != 0 ){
1693
fprintf(js_include_file,"ctx.save();\
1694
 var num_barcharts = 0;\
1695
 var bar_name = eval('barchart_0');\
1696
 while( typeof(bar_name) !== 'undefined' ){\
1697
    try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
1698
 };\
1699
 var bar_width = parseInt(0.8*x2step/(num_barcharts));\
1700
 for(var i=0 ; i< num_barcharts ; i++){\
1701
  bar_name = eval('barchart_'+i);\
1702
  var bar_x = new Array();\
1703
  var bar_y = new Array();\
1704
  var lb = bar_name.length;\
1705
  var idx = 0;\
1706
  var dx = parseInt(0.5*i*bar_width);\
1707
  for( var p = 0 ; p < lb ; p = p + 3 ){\
1708
   bar_x[idx] = x2px(bar_name[p]);\
1709
   bar_y[idx] = y2px(bar_name[p+1]);\
1710
   barcolor[idx] = bar_name[p+2];\
1711
   idx++;\
1712
  };\
1713
  ctx.globalAlpha = fill_opacity;\
1714
  for( var p = 0; p < idx ; p++ ){\
1715
   ctx.beginPath();\
1716
   ctx.strokeStyle = barcolor[p];\
1717
   ctx.fillStyle = barcolor[p];\
1718
   ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
1719
   ctx.fill();\
1720
   ctx.stroke();\
1721
   ctx.closePath();\
1722
  };\
1723
 };\
1724
 ctx.restore();");
1725
}
1726
 
1727
if( linegraph_cnt != 0 ){
1728
fprintf(js_include_file,"ctx.save();\
1729
 ctx.globalAlpha = 1.0;\
1730
 var i = 0;\
1731
 var line_name = eval('linegraph_'+i);\
1732
 while ( typeof(line_name) !== 'undefined' ){\
1733
  ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
1734
  ctx.lineWidth = parseInt(line_name[1]);\
1735
  if(line_name[2] == \"1\"){\
1736
   var d1 = parseInt(line_name[3]);\
1737
   var d2 = parseInt(line_name[4]);\
1738
   if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
1739
  }\
1740
  else\
1741
  {\
1742
  if(ctx.setLineDash){ctx.setLineDash = null;};if(ctx.mozDash){ctx.mozDash = null;}\
1743
  };\
1744
  var data_x = new Array();var data_y = new Array();\
1745
  var lb = line_name.length;var idx = 0;\
1746
  for( var p = 5 ; p < lb ; p = p + 2 ){\
1747
   data_x[idx] = x2px(line_name[p]);\
1748
   data_y[idx] = y2px(line_name[p+1]);\
1749
   idx++;\
1750
  };\
1751
  for( var p = 0; p < idx ; p++){\
1752
   ctx.beginPath();\
1753
   ctx.moveTo(data_x[p],data_y[p]);\
1754
   ctx.lineTo(data_x[p+1],data_y[p+1]);\
1755
   ctx.stroke();\
1756
   ctx.closePath();\
1757
  };\
1758
  i++;\
1759
  try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
1760
 };\
1761
 ctx.restore();return;");
1762
}
1763
fprintf(js_include_file,"};");
1764
 
1765
break;
1766
 
1767
case DRAW_PIECHART:
1768
fprintf(js_include_file,"\n/* draw piecharts */\
1769
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1770
function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family,use_filled,use_offset){\
1771
 var obj;\
1772
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
1773
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
1774
 }\
1775
 else\
1776
 {\
1777
  obj = create_canvas%d(canvas_type,xsize,ysize);\
1778
 };\
1779
 var center_text = use_offset || 0;\
1780
 var ld = data_color_list.length;\
1781
 var sum = 0;\
1782
 var idx = 0;\
1783
 var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
1784
 var colors = new Array();\
1785
 var data = new Array();\
1786
 for(var p = 0;p < ld; p = p + 2){\
1787
  data[idx] = parseFloat(data_color_list[p]);\
1788
  sum = sum + data[idx];\
1789
  colors[idx] = data_color_list[p+1];\
1790
  idx++;\
1791
 };\
1792
 if( use_filled > 1 ){\
1793
  var i = 2;\
1794
  for(var p = 0 ;  p < idx ; p++){\
1795
   if(i > 5 ){ i = 2; };\
1796
   var pat = create_Pattern(0,0,i,colors[p]); all_fill_patterns[p] = pat;i++;\
1797
  };\
1798
 };\
1799
 var ctx = obj.getContext(\"2d\");\
1800
 ctx.save();\
1801
 var angle;\
1802
 var angle_end = 0;\
1803
 var offset = Math.PI / 2;\
1804
 ctx.globalAlpha = fill_opacity;\
1805
 var angles = [];\
1806
 for(var p=0; p < idx; p++){\
1807
  ctx.beginPath();\
1808
  ctx.moveTo(x_center,y_center);\
1809
  angle = Math.PI * (2 * data[p] / sum);\
1810
  ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
1811
  ctx.lineTo(x_center, y_center);\
1812
  if( use_filled > 1 ){ ctx.fillStyle = all_fill_patterns[p]; }else{ ctx.fillStyle = colors[p];};\
1813
  ctx.fill();\
1814
  ctx.closePath();\
1815
  angles.push(angle_end + angle - offset);\
1816
  angle_end  = angle_end + angle;\
1817
 };\
1818
 if(typeof(legend0) !== 'undefined'){\
1819
  var legenda = eval(\"legend\"+legend_cnt);\
1820
  ctx.globalAlpha = 1.0;\
1821
  ctx.font = font_family;\
1822
  var y_offset = font_size;\
1823
  var x_offset = 0;\
1824
  var txt;var txt_size;\
1825
  for(var p = 0; p < idx; p++){\
1826
   ctx.fillStyle = colors[p];\
1827
   txt = legenda[p];\
1828
   txt_size = ctx.measureText(txt).width + 2;\
1829
   if(center_text == 4){\
1830
    ctx.save();\
1831
    ctx.translate(x_center, y_center);\
1832
    ctx.rotate(angles[p]);\
1833
    ctx.fillText(txt,radius-txt_size,0);\
1834
    ctx.restore();\
1835
   }\
1836
   else\
1837
   {\
1838
    if( x_center + radius + txt_size > xsize ){ x_offset =  x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
1839
    ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
1840
    y_offset = parseInt(y_offset + 1.5*font_size);\
1841
   };\
1842
  };\
1843
 };\
1844
 ctx.restore();\
1845
};",canvas_root_id,canvas_root_id,canvas_root_id);
1846
break;
1847
 
1848
case DRAW_JSBOXPLOT:
1849
fprintf(js_include_file,"\n/* draw jsboxplots */\
1850
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1851
function statistics(data){\
1852
 var len = data.length;\
1853
 var min = 10000000;\
1854
 var max = -10000000;\
1855
 var sum = 0;var d;\
1856
 for(var i=0;i<len;i++){\
1857
  d = data[i];\
1858
  if(d < min){min = d;}else{if(d > max){max = d;};};\
1859
  sum+= parseFloat(data[i]);\
1860
 };\
1861
 var mean = parseFloat(sum/len);\
1862
 var variance = 0;\
1863
 for(var i=0;i<len;i++){\
1864
  d = data[i];\
1865
  variance += (d - mean)*(d - mean);\
1866
 };\
1867
 variance = parseFloat(variance / len);\
1868
 var std = Math.sqrt(variance);\
1869
 data.sort(function(a,b){return a - b;});\
1870
 var median;var Q1;var Q3;\
1871
 var half = Math.floor(0.5*len);\
1872
 var q1 = Math.floor(0.25*len);\
1873
 var q3 = Math.floor(0.75*len);\
1874
 var half = Math.floor(0.5*len);\
1875
 if(len %%2 == 1){\
1876
  median = data[half];\
1877
  Q1 = data[q1];\
1878
  Q3 = data[q3];\
1879
 }\
1880
 else\
1881
 {\
1882
  median = (data[half - 1] + data[half] )/2;\
1883
  Q1 = (data[q1 - 1] + data[q1] )/2;\
1884
  Q3 = (data[q3 - 1] + data[q3] )/2;\
1885
 };\
1886
 return [min,Q1,median,Q3,max];\
1887
};");
1888
break;
1889
 
1890
case DRAW_BOXPLOT:
1891
fprintf(js_include_file,"\n/* draw boxplots */\
1892
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1893
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){\
1894
 var obj;\
1895
 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);};\
1896
 var ctx = obj.getContext(\"2d\");\
1897
 ctx.clearRect(0,0,xsize,ysize);\
1898
 ctx.save();\
1899
 ctx.lineWidth = line_width;\
1900
 ctx.strokeStyle =  \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1901
 var colors = new Array(2);\
1902
 colors[0] = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
1903
 colors[1] = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1904
 if( use_filled > 1 ){\
1905
   var pat = create_Pattern(0,0,3,colors[0]);\
1906
   all_fill_patterns[0] = pat;\
1907
   pat = create_Pattern(0,0,4,colors[1]);\
1908
   all_fill_patterns[1] = pat;\
1909
 };\
1910
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
1911
 var hh = 0.25*hw;\
1912
 switch(boxplot_source){\
1913
  case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
1914
  case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
1915
  case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
1916
  default: break;\
1917
 };\
1918
 var min,Q1,median,Q3,max;\
1919
 if(xy == 1 ){\
1920
  min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
1921
  hh = Math.abs(y2px(hh) - y2px(ystart));\
1922
  hw = Math.abs(y2px(hw) - y2px(ystart));\
1923
  cxy = y2px(cxy);\
1924
  ctx.beginPath();\
1925
  ctx.moveTo(min,cxy);\
1926
  ctx.lineTo(Q1,cxy);\
1927
  ctx.moveTo(Q3,cxy);\
1928
  ctx.lineTo(max,cxy);\
1929
  ctx.moveTo(min,cxy+hh);\
1930
  ctx.lineTo(min,cxy-hh);\
1931
  ctx.moveTo(max,cxy+hh);\
1932
  ctx.lineTo(max,cxy-hh);\
1933
  ctx.closePath();\
1934
  ctx.stroke();\
1935
  ctx.beginPath();\
1936
  ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
1937
  ctx.closePath();\
1938
  if( use_filled != 0 ){\
1939
   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
1940
   ctx.fill();\
1941
  };\
1942
  ctx.stroke();\
1943
  ctx.beginPath();\
1944
  ctx.rect(median,cxy-2*hh,Q3-median,hw);\
1945
  ctx.closePath();\
1946
  if( use_filled != 0 ){\
1947
   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
1948
   ctx.fill();\
1949
  };\
1950
  ctx.stroke();\
1951
 }else{\
1952
  min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
1953
  hh = Math.abs(x2px(hh) - x2px(xstart));\
1954
  hw = Math.abs(x2px(hw) - x2px(xstart));\
1955
  cxy = x2px(cxy);\
1956
  ctx.beginPath();\
1957
  ctx.moveTo(cxy,min);\
1958
  ctx.lineTo(cxy,Q1);\
1959
  ctx.moveTo(cxy,Q3);\
1960
  ctx.lineTo(cxy,max);\
1961
  ctx.moveTo(cxy + hh,min);\
1962
  ctx.lineTo(cxy - hh,min);\
1963
  ctx.moveTo(cxy + hh,max);\
1964
  ctx.lineTo(cxy - hh,max);\
1965
  ctx.closePath;\
1966
  ctx.stroke();\
1967
  ctx.beginPath();\
1968
  ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
1969
  ctx.closePath();\
1970
  if( use_filled != 0 ){\
1971
   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
1972
   ctx.fill();\
1973
  };\
1974
  ctx.stroke();\
1975
  ctx.beginPath();\
1976
  ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
1977
  ctx.closePath();\
1978
  if( use_filled != 0 ){\
1979
   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
1980
   ctx.fill();\
1981
  };\
1982
  ctx.stroke();\
1983
 };\
1984
 ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
1985
break;
1986
 
1987
case DRAW_CENTERSTRING:
1988
fprintf(js_include_file,"\n/* draw centerstring */\
1989
var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
1990
 var obj;\
1991
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
1992
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
1993
 }\
1994
 else\
1995
 {\
1996
  obj = create_canvas%d(canvas_type,xsize,ysize);\
1997
 };\
1998
 var ctx = obj.getContext(\"2d\");\
1999
 ctx.save();\
2000
 ctx.clearRect(0,0,xsize,ysize);\
2001
 ctx.font = font_family;\
2002
 ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
2003
 var stringwidth = ctx.measureText(text).width;\
2004
 var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
2005
 ctx.fillText(text,x,y2px(y));\
2006
 ctx.restore();\
2007
return;\
2008
};",canvas_root_id,canvas_root_id,canvas_root_id);
2009
break;
2010
 
2011
case DRAW_TEXTS:
2012
fprintf(js_include_file,"\n/* draw text */\
2013
var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_offset){\
2014
 var obj;\
2015
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2016
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
2017
 }\
2018
 else\
2019
 {\
2020
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2021
 };\
2022
 var ctx = obj.getContext(\"2d\");\
2023
 if( font_family != 'null' ){\
2024
  ctx.font = font_family;\
2025
 }\
2026
 else\
2027
 {\
15313 schaersvoo 2028
  ctx.font = font_size+'px Arial';\
15111 schaersvoo 2029
 };\
2030
 if( use_offset == 3 ){if(angle2 < 0 ){ y = y + 0.8*font_size; x = x + (Math.cos(angle2))*font_size; }else{y = y - 0.8*font_size; x = x + (Math.sin(angle2))*font_size;};};\
2031
 if(angle2 == 0 && angle != 0){\
2032
  ctx.save();\
2033
  if(use_rotate == 1 ){\
2034
  ctx.rotate(angle*Math.PI/180);};\
2035
  ctx.restore();\
2036
 };\
2037
 ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
2038
 if(angle2 != 0){\
2039
  ctx.save();\
2040
  ctx.translate(x,y);\
2041
  ctx.rotate((360-angle2)*(Math.PI / 180));\
2042
  ctx.fillText(text,0,0);\
2043
  ctx.restore();\
2044
 }\
2045
 else\
2046
 {\
2047
  ctx.fillText(text,x,y);\
2048
 };\
2049
 return;\
2050
};",canvas_root_id,canvas_root_id,canvas_root_id);
2051
break;
2052
 
2053
case DRAW_INPUTS:
2054
/* function center_input may be used for other centering...if not? integrate it in draw_static_inputs...*/
2055
fprintf(js_include_file,"\n/* draw static input fields */\
2056
if(typeof(input_cnt) !== 'undefined' ){var input_cnt = 0;};\
2057
var draw_static_inputs = function(root_id,num,x,y,size,readonly,css_class,value,use_offset){\
2058
var input = document.createElement(\"input\");\
2059
input.setAttribute(\"id\",\"canvas_input\"+num);\
2060
input.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+x+\"px;top:\"+y+\"px;\");\
2061
if(css_class != \"none\"){input.setAttribute(\"class\",css_class);};\
2062
input.setAttribute(\"size\",size);\
2063
input.setAttribute(\"value\",value);\
2064
input.addEventListener(\"touchstart\", function(e){this.focus();},false);\
2065
if( readonly == 0 || wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
2066
canvas_div.appendChild(input);\
2067
if(use_offset != 0 ){ center_input('canvas_input'+num,x,y,css_class);};\
2068
input_cnt++;\
2069
};\
2070
function center_input(id,x,y,css_class){\
2071
 var inp = document.getElementById(id);\
2072
 var pos = inp.getBoundingClientRect();\
2073
 var center_x = parseInt(x - 0.5*(pos.width));\
2074
 var center_y = parseInt(y - 0.5*(pos.height));\
2075
 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;\");}\
2076
 catch(e){console.log('error :'+e);return;};\
2077
};");
2078
break;
2079
 
2080
case DRAW_TEXTAREAS:
2081
fprintf(js_include_file,"\n/* draw text area inputfields */\
2082
var draw_textareas = function(root_id,num,x,y,cols,rows,readonly,style,value){\
2083
var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
2084
var textarea = document.createElement(\"textarea\");\
2085
textarea.setAttribute(\"id\",\"canvas_input\"+num);\
2086
textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
2087
textarea.setAttribute(\"cols\",cols);\
2088
textarea.setAttribute(\"rows\",rows);\
2089
textarea.value = value;\
2090
if( readonly == 0 || wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
2091
canvas_div.appendChild(textarea);};");
2092
break;
2093
 
2094
case DRAW_PIXELS:
2095
fprintf(js_include_file,"\n/* draw pixel */\
2096
var draw_setpixel = function(x,y,color,opacity,pixelsize){\
2097
 var idx = 2000+Math.ceil(1000*(Math.random()));\
2098
 var canvas = create_canvas%d(idx,xsize,ysize);\
2099
 var d = 0.5*pixelsize;\
2100
 var ctx = canvas.getContext(\"2d\");\
2101
 if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
2102
 ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
2103
 ctx.clearRect(0,0,xsize,ysize);\
2104
 for(var p=0; p<x.length;p++){\
2105
  ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
2106
 };\
2107
 ctx.fill();ctx.stroke();\
2108
};",canvas_root_id);
2109
break;
2110
 
2111
case DRAW_CLOCK:
2112
fprintf(js_include_file,"\n/* command clock */\
2113
var clock_canvas = create_canvas%d(%d,xsize,ysize);\
2114
var clock_ctx = clock_canvas.getContext(\"2d\");\
2115
var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
2116
 clock_ctx.clearRect(xc - radius,yc - radius,2*radius,2*radius);\
2117
 clock_ctx.save();\
2118
 clock_ctx.globalAlpha = clock_bg_opacity;\
2119
 this.type = type || 0;\
2120
 this.interaction = interaction || 0;\
2121
 this.H = H;\
2122
 this.M = M;\
2123
 this.S = S;\
2124
 this.xc = xc || xsize/2;\
2125
 this.yc = yc || ysize/2;\
2126
 this.radius = radius || xsize/4;\
2127
 var font_size = parseInt(0.2*this.radius);\
2128
 this.H_color = h_color || \"black\";\
2129
 this.M_color = m_color || \"black\";\
2130
 this.S_color = s_color || \"black\";\
2131
 this.fg_color = fg_color || \"black\";\
2132
 this.bg_color = bg_color || \"white\";\
2133
 clock_ctx.translate(this.xc,this.yc);\
2134
 clock_ctx.beginPath();\
2135
 clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
2136
 clock_ctx.fillStyle = this.bg_color;\
2137
 clock_ctx.fill();\
2138
 clock_ctx.closePath();\
2139
 clock_ctx.beginPath();\
2140
 clock_ctx.font = font_size+\"px Arial\";\
2141
 clock_ctx.fillStyle = this.fg_color;\
2142
 clock_ctx.textAlign = \"center\";\
2143
 clock_ctx.textBaseline = 'middle';\
2144
 var angle;var x1,y1,x2,y2;\
2145
 var angle_cos;var angle_sin;\
2146
 clock_ctx.globalAlpha = clock_fg_opacity;\
2147
 switch(type){\
2148
 case 0:clock_ctx.beginPath();\
2149
 for(var p = 1; p <= 12 ; p++){\
2150
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
2151
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
2152
  x1 = 0.8*angle_cos;y1 = 0.8*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2153
  clock_ctx.moveTo(x1,y1);\
2154
  clock_ctx.lineTo(x2,y2);\
2155
 };\
2156
 for(var p = 1; p <= 60 ; p++){\
2157
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
2158
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
2159
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2160
  clock_ctx.moveTo(x1,y1);\
2161
  clock_ctx.lineTo(x2,y2);\
2162
 };\
2163
 clock_ctx.closePath();\
2164
 clock_ctx.stroke();\
2165
 break;\
2166
 case 1:\
2167
 for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.9*this.radius*Math.cos(angle);y1 = 0.9*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};break;\
2168
 case 2:\
2169
 for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8*this.radius*Math.cos(angle);y1 = 0.8*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};\
2170
 clock_ctx.beginPath();\
2171
 for(var p = 1; p <= 12 ; p++){\
2172
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
2173
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
2174
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2175
  clock_ctx.moveTo(x1,y1);\
2176
  clock_ctx.lineTo(x2,y2);\
2177
 };\
2178
 for(var p = 1; p <= 60 ; p++){\
2179
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
2180
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
2181
  x1 = 0.95*angle_cos;y1 = 0.95*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2182
  clock_ctx.moveTo(x1,y1);\
2183
  clock_ctx.lineTo(x2,y2);\
2184
 };\
2185
 clock_ctx.closePath();\
2186
 clock_ctx.stroke();\
2187
 break;\
2188
 };\
2189
 angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
2190
 clock_ctx.rotate(angle);\
2191
 clock_ctx.beginPath();\
2192
 clock_ctx.moveTo(-3, -2);\
2193
 clock_ctx.lineTo(-3, 2);\
2194
 clock_ctx.lineTo(this.radius * 0.6, 1);\
2195
 clock_ctx.lineTo(this.radius  * 0.6, -1);\
2196
 clock_ctx.fillStyle = this.H_color;\
2197
 clock_ctx.fill();\
2198
 clock_ctx.rotate(-angle);\
2199
 angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
2200
 clock_ctx.rotate(angle);\
2201
 clock_ctx.beginPath();\
2202
 clock_ctx.moveTo(-3, -2);\
2203
 clock_ctx.lineTo(-3, 2);\
2204
 clock_ctx.lineTo(this.radius  * 0.8, 1);\
2205
 clock_ctx.lineTo(this.radius  * 0.8, -1);\
2206
 clock_ctx.fillStyle = this.M_color;\
2207
 clock_ctx.fill();\
2208
 clock_ctx.rotate(-angle);\
2209
 angle = (this.S - 15) * 2 * Math.PI / 60;\
2210
 clock_ctx.rotate(angle);\
2211
 clock_ctx.beginPath();\
2212
 clock_ctx.moveTo(0,0);\
2213
 clock_ctx.lineTo(this.radius  * 0.9, 1);\
2214
 clock_ctx.lineTo(this.radius  * 0.9, -1);\
2215
 clock_ctx.strokeStyle = this.S_color;\
2216
 clock_ctx.stroke();\
2217
 clock_ctx.restore();\
2218
};",canvas_root_id,CLOCK_CANVAS);
2219
break;
2220
 
2221
case DRAW_LATTICE:
2222
fprintf(js_include_file,"\n/* draw lattice */\
2223
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){\
2224
 var obj;\
2225
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2226
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
2227
 }\
2228
 else\
2229
 {\
2230
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2231
 };\
2232
 var ctx = obj.getContext(\"2d\");\
2233
 ctx.save();\
2234
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
2235
 var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
2236
 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;};\
2237
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
2238
 var radius = line_width;\
2239
 var x = 0;\
2240
 var y = 0;\
2241
 var x_step_px = xsize/(xmax-xmin);\
2242
 var y_step_px = ysize/(ymax-ymin);\
2243
 var xv1 = dx1*x_step_px;\
2244
 var yv1 = dy1*y_step_px;\
2245
 var xv2 = dx2*x_step_px;\
2246
 var yv2 = dy2*y_step_px;\
2247
 for(var p = 0; p < n1 ;p++){\
2248
  x = p*xv1 + x0;\
2249
  y = p*yv1 + y0;\
2250
  for(var c = 0; c < n2 ; c++){\
2251
   ctx.beginPath();\
2252
   ctx.arc(x+c*xv2,y+c*yv2,radius,0,2*Math.PI,false);\
2253
   ctx.fill();\
2254
   ctx.stroke();\
2255
   ctx.closePath();\
2256
  };\
2257
 };\
2258
 ctx.restore();\
2259
 return;\
2260
};",canvas_root_id,canvas_root_id,canvas_root_id);
2261
break;
2262
 
2263
case DRAW_XYLOGSCALE:
2264
fprintf(js_include_file,"\n/* draw xylogscale */\
2265
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){\
2266
 var obj;\
2267
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2268
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
2269
 }\
2270
 else\
2271
 {\
2272
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2273
 };\
2274
 var ctx = obj.getContext(\"2d\");\
2275
 ctx.clearRect(0,0,xsize,ysize);\
2276
 ctx.save();\
2277
 var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
2278
 var x_min = Math.log(xmin)/Math.log(xlogbase);\
2279
 var x_max = Math.log(xmax)/Math.log(xlogbase);\
2280
 var y_min = Math.log(ymin)/Math.log(ylogbase);\
2281
 var y_max = Math.log(ymax)/Math.log(ylogbase);\
2282
 if(use_axis_numbering != -1){\
2283
  ctx.font = font_family;\
2284
  xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
2285
  ymarge = parseInt(1.5*font_size);\
2286
  ctx.save();\
2287
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2288
  ctx.rect(0,0,xmarge,ysize);\
2289
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2290
  ctx.fill();\
2291
  ctx.restore();\
2292
 }else{xmarge = 0;ymarge = 0;};\
2293
 if( typeof(xaxislabel) !== 'undefined' ){\
2294
  ctx.save();\
15313 schaersvoo 2295
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2296
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2297
  corr =  ctx.measureText(xaxislabel).width;\
2298
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2299
  ctx.restore();\
2300
 };\
2301
 if( typeof(yaxislabel) !== 'undefined' ){\
2302
  ctx.save();\
15313 schaersvoo 2303
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2304
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2305
  corr = ctx.measureText(yaxislabel).width;\
2306
  ctx.translate(xmarge+font_size,corr+font_size);\
2307
  ctx.rotate(-0.5*Math.PI);\
2308
  ctx.fillText(yaxislabel,0,0);\
2309
  ctx.restore();\
2310
 };\
2311
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2312
 ctx.lineWidth = line_width;\
2313
 for(var p = x_min; p <= x_max ; p++){\
2314
  num = Math.pow(xlogbase,p);\
2315
  for(var i = 1 ; i < xlogbase ; i++){\
2316
   x_e = x2px(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 > x_min){\
2321
      xtxt = xlogbase+'^'+p.toFixed(0);\
2322
      corr = 0.5*(ctx.measureText(xtxt).width);\
2323
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
2324
    };\
2325
   }else{\
2326
    ctx.lineWidth = 0.2*line_width;\
2327
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2328
   };\
2329
   if( x_e >= xmarge ){\
2330
    ctx.beginPath();\
2331
    ctx.moveTo(x_e,0);\
2332
    ctx.lineTo(x_e,ysize - ymarge);\
2333
    ctx.stroke();\
2334
    ctx.closePath();\
2335
   };\
2336
  };\
2337
 };\
2338
 for(var p = y_min; p <= y_max ; p++){\
2339
  num = Math.pow(ylogbase,p);\
2340
  for(var i = 1 ; i < ylogbase ; i++){\
2341
   y_e = y2px(i*num);\
2342
   if( i == 1 ){\
2343
    ctx.lineWidth = line_width;\
2344
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2345
    if( use_axis_numbering != -1 && p > y_min){\
2346
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
2347
    };\
2348
   }else{\
2349
    ctx.lineWidth = 0.2*line_width;\
2350
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2351
   };\
2352
   ctx.beginPath();\
2353
   ctx.moveTo(xmarge,y_e);\
2354
   ctx.lineTo(xsize,y_e);\
2355
   ctx.stroke();\
2356
   ctx.closePath();\
2357
  };\
2358
 };\
2359
 ctx.restore();\
2360
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2361
break;
2362
 
2363
case DRAW_XLOGSCALE:
2364
fprintf(js_include_file,"\n/* draw xlogscale */\
2365
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){\
2366
 var obj;\
2367
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2368
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
2369
 }\
2370
 else\
2371
 {\
2372
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2373
 };\
2374
 var ctx = obj.getContext(\"2d\");\
2375
 ctx.clearRect(0,0,xsize,ysize);\
2376
 ctx.save();\
2377
 ctx.lineWidth = line_width;\
2378
 var prec = Math.log(precision)/Math.log(10);\
2379
 var x_min = Math.log(xmin)/Math.log(xlogbase);\
2380
 var x_max = Math.log(xmax)/Math.log(xlogbase);\
2381
 var y_min = 0;var y_max = ysize;var x_e;var corr;\
2382
 var xtxt;var ytxt;var num;var xmarge;var ymarge;\
2383
 if(use_axis_numbering != -1){\
2384
  ctx.font = font_family;\
2385
  xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
2386
  ymarge = parseInt(1.5*font_size);\
2387
  ctx.save();\
2388
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2389
  ctx.rect(0,0,xmarge,ysize);\
2390
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2391
  ctx.fill();\
2392
  ctx.restore();\
2393
 }else{xmarge = 0;ymarge = 0;};\
2394
 if( typeof(xaxislabel) !== 'undefined' ){\
2395
  ctx.save();\
15313 schaersvoo 2396
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2397
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2398
  corr =  ctx.measureText(xaxislabel).width;\
2399
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2400
  ctx.restore();\
2401
 };\
2402
 if( typeof(yaxislabel) !== 'undefined' ){\
2403
  ctx.save();\
15313 schaersvoo 2404
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2405
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2406
  corr = ctx.measureText(yaxislabel).width;\
2407
  ctx.translate(xmarge+font_size,corr+font_size);\
2408
  ctx.rotate(-0.5*Math.PI);\
2409
  ctx.fillText(yaxislabel,0,0);\
2410
  ctx.restore();\
2411
 };\
2412
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2413
 ctx.lineWidth = line_width;\
2414
 for(var p = x_min; p <= x_max ; p++){\
2415
  num = Math.pow(xlogbase,p);\
2416
  for(var i = 1 ; i < xlogbase ; i++){\
2417
   x_e = x2px(i*num);\
2418
   if( i == 1 ){\
2419
     ctx.lineWidth = line_width;\
2420
     ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2421
    if( use_axis_numbering != -1 && p > x_min ){\
2422
      xtxt = xlogbase+'^'+p.toFixed(0);\
2423
      corr = 0.5*(ctx.measureText(xtxt).width);\
2424
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
2425
    };\
2426
   }else{\
2427
    ctx.lineWidth = 0.2*line_width;\
2428
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2429
   };\
2430
   if( x_e >= xmarge ){\
2431
    ctx.beginPath();\
2432
    ctx.moveTo(x_e,0);\
2433
    ctx.lineTo(x_e,ysize - ymarge);\
2434
    ctx.stroke();\
2435
    ctx.closePath();\
2436
   };\
2437
  };\
2438
 };\
2439
 var stepy = Math.abs(y2px(ymajor) - y2px(0));\
2440
 var minor_step = stepy / yminor;\
2441
 for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
2442
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2443
  ctx.lineWidth = line_width;\
2444
  ctx.beginPath();\
2445
  ctx.moveTo(xmarge,y);\
2446
  ctx.lineTo(xsize,y);\
2447
  ctx.stroke();\
2448
  ctx.closePath();\
2449
  if( use_axis_numbering != -1){\
2450
   ytxt = (px2y(y)).toFixed(prec);\
2451
   ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
2452
  };\
2453
  for(var dy = 1 ; dy < yminor ; dy++){\
2454
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2455
   ctx.lineWidth = 0.2*line_width;\
2456
   ctx.beginPath();\
2457
   ctx.moveTo(xmarge,y+dy*minor_step);\
2458
   ctx.lineTo(xsize,y+dy*minor_step);\
2459
   ctx.stroke();\
2460
   ctx.closePath();\
2461
  };\
2462
 };\
2463
 ctx.restore();\
2464
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2465
break;
2466
 
2467
case DRAW_YLOGSCALE:
2468
fprintf(js_include_file,"\n/* draw ylogscale */\
2469
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){\
2470
 var obj;\
2471
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2472
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
2473
 }\
2474
 else\
2475
 {\
2476
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2477
 };\
2478
 var ctx = obj.getContext(\"2d\");\
2479
 ctx.clearRect(0,0,xsize,ysize);\
2480
 ctx.save();\
2481
 ctx.lineWidth = line_width;\
2482
 var y_min = Math.log(ymin)/Math.log(ylogbase);\
2483
 var y_max = Math.log(ymax)/Math.log(ylogbase);\
2484
 var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
2485
 if(use_axis_numbering != -1){\
2486
  ctx.font = font_family;\
2487
  xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
2488
  ymarge = 2*font_size;\
2489
  ctx.save();\
2490
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2491
  ctx.rect(0,0,xmarge,ysize);\
2492
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2493
  ctx.fill();\
2494
  ctx.restore();\
2495
 }else{xmarge = 0;ymarge = 0;};\
2496
 if( typeof(xaxislabel) !== 'undefined' ){\
2497
  ctx.save();\
15313 schaersvoo 2498
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2499
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2500
  corr =  ctx.measureText(xaxislabel).width;\
2501
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2502
  ctx.restore();\
2503
 };\
2504
 if( typeof(yaxislabel) !== 'undefined' ){\
2505
  ctx.save();\
15313 schaersvoo 2506
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2507
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2508
  corr = ctx.measureText(yaxislabel).width;\
2509
  ctx.translate(xmarge+font_size,corr+font_size);\
2510
  ctx.rotate(-0.5*Math.PI);\
2511
  ctx.fillText(yaxislabel,0,0);\
2512
  ctx.restore();\
2513
 };\
2514
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2515
 ctx.lineWidth = line_width;\
2516
 for(var p = y_min; p <= y_max ; p++){\
2517
  num = Math.pow(ylogbase,p);\
2518
  for(var i = 1 ; i < ylogbase ; i++){\
2519
   y_e = y2px(i*num);\
2520
   if( i == 1 ){\
2521
    ctx.lineWidth = line_width;\
2522
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2523
    if( use_axis_numbering != -1 && p > y_min){\
2524
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
2525
    };\
2526
   }else{\
2527
    ctx.lineWidth = 0.2*line_width;\
2528
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2529
   };\
2530
   ctx.beginPath();\
2531
   ctx.moveTo(xmarge,y_e);\
2532
   ctx.lineTo(xsize,y_e);\
2533
   ctx.stroke();\
2534
   ctx.closePath();\
2535
  };\
2536
 };\
2537
 var stepx = Math.abs(x2px(xmajor) - x2px(0));\
2538
 var minor_step = stepx / xminor;\
2539
 var prec = Math.log(precision)/Math.log(10);\
2540
 var xtxt;var corr;var flip = 0;\
2541
 for(var x = stepx ; x < xsize ; x = x + stepx){\
2542
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2543
  ctx.lineWidth = line_width;\
2544
  ctx.beginPath();\
2545
  ctx.moveTo(x,ysize-ymarge);\
2546
  ctx.lineTo(x,0);\
2547
  ctx.stroke();\
2548
  ctx.closePath();\
2549
  if( use_axis_numbering != -1){\
2550
   xtxt = (px2x(x)).toFixed(prec);\
2551
   corr = 0.5*(ctx.measureText(xtxt).width);\
2552
   if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
2553
   flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
2554
  };\
2555
  for(var dx = 1 ; dx < xminor ; dx++){\
2556
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2557
   ctx.lineWidth = 0.2*line_width;\
2558
   ctx.beginPath();\
2559
   ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
2560
   ctx.lineTo(x+dx*minor_step,0);\
2561
   ctx.stroke();\
2562
   ctx.closePath();\
2563
  };\
2564
 };\
2565
 ctx.restore();\
2566
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2567
break;
2568
 
2569
case ADD_USER_INPUTS:
2570
fprintf(js_include_file,"\n/* add_input_xy */\
2571
function add_input_xy(){\
2572
if( wims_status == \"done\" ){return;};\
2573
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
2574
var input_xy_div = document.createElement('div');\
2575
input_xy_div.id = \"input_xy_div\";\
2576
tooltip_div.appendChild(input_xy_div);",canvas_root_id);
2577
 
2578
if(strstr(draw_type,"polyline") != NULL || strstr(draw_type,"point") != NULL || strstr(draw_type,"cross") != NULL ){ /* ( input_x : input_y )*/
2579
type=1;
2580
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);
2581
}else{
2582
if(strstr(draw_type,"circle") != NULL ){/* M: (input_x :input_y) R:input_r*/
2583
type=2;
2584
fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>M:&nbsp;(<input type='text' size='2' value='' id='userinput_x'/> : <input type='text' size='2' value='' id='userinput_y'/>) &nbsp;&nbsp;R:&nbsp;<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);
2585
}else{
2586
type=3;
2587
if(strstr(draw_type,"segment") != NULL  ||  strstr(draw_type,"line") != NULL  ||  strstr(draw_type,"arrow") != NULL  ){  /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) */
2588
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'/>) &minus;&minus;&minus; (<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);
2589
}else{
2590
type=4;
2591
if(strstr(draw_type,"triang") != NULL ){ /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) --- ( input_x3 : input_y3) */
2592
fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>&#8420;&nbsp;&nbsp;<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);
2593
}else{
2594
type=5;
2595
if(strstr(draw_type,"text") != NULL ){ /*Text: input_r ( input_x1 : input_y1)  */
2596
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'/>)&nbsp;<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);
2597
}else{canvas_error("command 'userinput' or 'userinput_xy' is not supported for your 'userdraw' type...");
2598
}}}}}
2599
 
2600
fprintf(js_include_file,"\
2601
var update_button = document.getElementById(\"update_button\");\
2602
var delete_button = document.getElementById(\"delete_button\");\
2603
update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
2604
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
2605
};add_input_xy();");
2606
 
2607
switch(type){
2608
 case 1:
2609
fprintf(js_include_file,"\n/* add_input_xy */\
2610
function update_me(){\
15529 schaersvoo 2611
 var x = safe_eval(document.getElementById('userinput_x').value);\
2612
 var y = safe_eval(document.getElementById('userinput_y').value);\
15111 schaersvoo 2613
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2614
 return;\
2615
};");break;
2616
 case 2:
2617
fprintf(js_include_file,"\n/* add_input_xy */\
2618
function update_me(){\
15529 schaersvoo 2619
 var x = safe_eval(document.getElementById('userinput_x').value);\
2620
 var y = safe_eval(document.getElementById('userinput_y').value);\
2621
 var r = safe_eval(document.getElementById('userinput_r').value);\
15111 schaersvoo 2622
 r = scale_x_radius(r);\
2623
 userdraw_radius.push(r);userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2624
 return;\
2625
};");break;
2626
 case 3:
2627
fprintf(js_include_file,"\n/* add_input_xy */\
2628
function update_me(){\
2629
 var x,y;\
2630
 for(var p=1; p<3;p++){\
15529 schaersvoo 2631
  x = safe_eval(document.getElementById('userinput_x'+p).value);\
2632
  y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111 schaersvoo 2633
  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2634
 };\
2635
 return;\
2636
};");
2637
 break;
2638
 case 4:
2639
fprintf(js_include_file,"\n/* add_input_xy */\
2640
function update_me(){\
2641
 var x,y;\
2642
 for(var p=1; p<4;p++){\
15529 schaersvoo 2643
  x = safe_eval(document.getElementById('userinput_x'+p).value);\
2644
  y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111 schaersvoo 2645
  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2646
 };\
2647
 return;\
2648
};");
2649
 break;
2650
 case 5:
2651
 /* a inputfield with 'id=userdraw_text_abc' is provided by command 'userdraw text,color'*/
2652
fprintf(js_include_file,"\n/* add_input_xy */\
2653
function update_me(){\
15529 schaersvoo 2654
 var x = safe_eval(document.getElementById('userinput_x').value);\
2655
 var y = safe_eval(document.getElementById('userinput_y').value);\
15111 schaersvoo 2656
 var txt = conv_to_unicode(document.getElementById('userdraw_text_abc').value);\
2657
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));userdraw_text.push(txt.replace(/\\\\/g,' '));\
2658
 return;\
2659
};");
2660
 break;
2661
 default: canvas_error("hmmm, I've no idea...");break;
2662
}
2663
 
2664
break;
2665
 
2666
default:break;
2667
   }
2668
  }
2669
 }
2670
  return;
2671
}