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Rev Author Line No. Line
15111 schaersvoo 1
#include "canvasdraw.h"
2
/*
3
collection of javascript utilities (with no configurable parameters)
4
*/
5
void add_javascript_function(){
16643 schaersvoo 6
#ifdef KATEX_INSTALLED
16642 schaersvoo 7
char *mathjax="centered(xml_div,obj);";
8
#else
9
char *mathjax="setTimeout(function(){centered(xml_div,obj)},100);";
10
#endif
15111 schaersvoo 11
int i;
12
int type;
13
for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
14
/*
15
fprintf(stdout,"checking js_function[%d] = %d<br />",i,js_function[i]);
16
*/
17
 if( js_function[i] == 1){
18
    switch(i){
19
 
15690 schaersvoo 20
case JS_ARROWHEAD:
21
/* draw an arrowhead on object ; arrowhead on (x:y) from direction (x0:y0) */
22
fprintf(js_include_file,"\n/* draw an arrowhead on object ; arrowhead on (x:y) from direction (x0:y0) */\
23
function draw_arrowhead(x,y,x0,y0,ctx){\
24
var angle = Math.atan2(x - x0,y - y0) + Math.PI;\
25
var pie = Math.PI/6;\
26
ctx.save();\
27
ctx.fillStyle=ctx.strokeStyle;\
28
ctx.beginPath();\
29
ctx.moveTo(x,y);\
30
ctx.moveTo(x - (arrow_head * Math.sin(angle - pie)),y - (arrow_head * Math.cos(angle - pie)));\
31
ctx.lineTo(x,y);\
32
ctx.lineTo(x - (arrow_head * Math.sin(angle + pie)),y - (arrow_head * Math.cos(angle + pie)));\
33
ctx.closePath();\
34
ctx.stroke();\
35
ctx.fill();\
36
ctx.restore();\
37
};");
38
break;
15111 schaersvoo 39
case JS_LOAD_IMAGE:
40
fprintf(js_include_file,"\n/* get_image_from_url */\
41
var image_cnt = 0;\
42
if( typeof(image_patterns) !== 'object'){var image_patterns = [];};\
43
var get_image_from_url = function(url){\
44
 var idx = Math.ceil(1000*(Math.random()));\
45
 var canvas = create_canvas%d(idx,xsize,ysize);\
46
 canvas.style.visibility = 'hidden';\
47
 var ctx = canvas.getContext(\"2d\");\
48
 var img = new Image();\
49
 img.src = url;\
50
 img.onload = function(){\
51
  var pat = ctx.createPattern(img,\"repeat\");\
52
  image_patterns.push(pat);\
53
 };\
54
};",canvas_root_id);
55
break;
56
 
57
case JS_SAFE_EVAL:
58
/* to avoid easy js-code injection...but is it a real problem ? */
59
fprintf(js_include_file," \n/* add safe eval function */function safe_eval(exp){\
60
 exp = exp.replace(/pi/g,'3.14159');\
61
 if(exp.indexOf('^') != -1){\
62
  exp = exp.replace(/[a-zA-Z]/g,' ');\
63
  exp = exp.replace(/\\*10\\^-/g,'e-');\
64
  exp = exp.replace(/\\*10\\^/g,'e+');\
65
  exp = exp.replace(/10\\^-/g,'1e-');exp = exp.replace(/10\\^/g,'1e+');\
66
  exp = eval(exp);\
67
  if(isNaN(exp)){alert(\"invalid input\\ntry just a real number \\ne.g. no calculations...\");return null;}\
68
  return exp;\
69
 };\
70
 var reg = /(?:[a-z$_][a-z0-9$_]*)|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;\
71
 var valid = true;\
72
 exp = exp.replace(reg,function($0){\
73
  if(Math.hasOwnProperty($0)){\
74
   return \"Math.\"+$0;\
16844 bpr 75
  } else {\
15111 schaersvoo 76
   valid = false;\
77
  }\
78
 }\
79
 );\
80
 if( !valid ){\
81
  alert(\"hmmm \"+exp+\" ?\"); exp = null;\
16844 bpr 82
 } else {\
15111 schaersvoo 83
  try{ exp = eval(exp); } catch(e){alert(\"Invalid arithmetic expression\"); exp = null;};\
84
 };\
85
 return exp;\
86
};");
87
break;
88
 
89
case JS_RAWMATH:
90
fprintf(js_include_file,"\n/* add_rawmath() */\
91
function rawmath(i){\
92
 i=i.toLowerCase();\
93
 i=i.replace(/\\ /g,\"\");i=i.replace(/\\*\\*/g,\"^\");\
94
 if(i.indexOf(\"e+\")!=-1){i=i.replace(\"e+\",\"*10^\");};\
95
 if(i.indexOf(\"e-\")!=-1){i=i.replace(\"e-\",\"*10^-\");};\
96
 i=i.replace(/\\*\\*/g,\"*\");\
97
 if(i.charAt(0)==\"*\"){i=i.substring(1,i.length);};\
98
 var fun=[\"asin\",\"acos\",\"atan\",\"sin\",\"cos\",\"tan\",\"log\",\"ln\",\"pi\",\"e\",\"x\",\"y\"];\
99
 var cons=[\"pi\",\"e\",\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"];\
100
 var cntl = 0;var cntr = 0;\
101
 var len = i.length;\
102
 for( var p = 0;p < len; p++){\
103
  if(i.charAt(p) == '('){cntl++;}\
104
  if(i.charAt(p) == ')'){cntr++;}\
105
 };\
106
 if(cntl != cntr){alert(\"unmatched parenthesis !!\");return null;};\
107
 for(var p = 0; p < 12 ; p++){\
108
  for(var d = 0; d < 12 ; d++){\
109
   while(i.indexOf(cons[d]+\"\"+fun[p])!=-1){\
110
    i = i.replace(cons[d]+\"\"+fun[p],cons[d]+\"*\"+fun[p]);\
111
   };\
112
   while(i.indexOf(fun[p]+\"\"+cons[d])!=-1){\
113
    i = i.replace(fun[p]+\"\"+cons[d],fun[p]+\"*\"+cons[d]);\
114
   };\
115
  };\
116
 };\
117
 if(i.indexOf(\"(\")!=-1){\
118
  for(var p = 0;p < 12; p++){\
119
   if(i.indexOf(cons[p]+\"(\")!=-1){\
120
    i = i.replace(cons[p]+\"(\",cons[p]+\"*(\");\
121
   };\
122
   if(i.indexOf(\")\"+cons[p])!=-1){\
123
    i = i.replace(\")\"+cons[p],\")*\"+cons[p]);\
124
   };\
125
  };\
126
  i = i.replace(/\\)\\(/g,\")*(\");\
127
 };\
128
 return i;\
129
};");
130
break;
131
 
132
case JS_PLOT:
133
fprintf(js_include_file,"\n/* jsplot() */\
134
var x_anim_points;var y_anim_points;var animation_steps;var animation_funs;\
135
function jsplot(canvas_type,funs,linewidth,color,opacity,use_dashed,dashtype0,dashtype1,trange,plotsteps,use_parametric,use_animate,origin){\
136
 var obj = create_canvas%d(canvas_type,xsize,ysize);\
137
 var ctx = obj.getContext(\"2d\");\
138
 ctx.clearRect(0,0,xsize,ysize);\
139
 animation_funs = funs.length;\
140
 function eval_jsmath(x,func){return parseFloat(eval(func));};\
141
 if(origin == 0 ){\
142
  if( typeof(multilinewidth) !== 'undefined' && multilinewidth != null ){ linewidth = multilinewidth;};\
143
  if( typeof(multistrokecolors) !== 'undefined' && multistrokecolors != null ){ color = multistrokecolors;};\
144
  if( typeof(multistrokeopacity) !== 'undefined' && multistrokeopacity != null ){ opacity = multistrokeopacity;};\
145
  if( typeof(multidash) !== 'undefined' && multidash != null ){use_dashed = multidash;};\
146
 };\
147
 x_anim_points = [];y_anim_points = [];var idx=0;\
148
 if( use_parametric == 1){\
149
  for(var i = 0 ; i < animation_funs; i=i+2){\
15351 bpr 150
   funs[i] = funs[i].replace(/t/g,'x');\
151
   funs[i+1] = funs[i+1].replace(/t/g,'x');\
152
   funs[i] = funs[i].replace(/xan/g,'tan');\
153
   funs[i+1] = funs[i+1].replace(/xan/g,'tan');\
15111 schaersvoo 154
   var fun_x = to_js_math(funs[i]);\
155
   var fun_y = to_js_math(funs[i+1]);\
156
   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;};\
157
   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;};\
158
   ctx.lineWidth = linewidth[i] || linewidth;\
159
   ctx.strokeStyle='rgba('+color[i] || color +','+opacity[i] || opacity +')';\
160
   if(use_dashed[i] == \"1\" || use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
161
   var y1;var x1;var y2;var x2;\
162
   ctx.beginPath();\
163
   var tmin = trange[0];var tmax = trange[1];\
164
   var step = parseFloat((tmax - tmin)/plotsteps);\
165
   for(var p = tmin ; p < tmax; p = p+step ){\
166
    x1 = x2px(parseFloat(eval_jsmath(p,fun_x)));\
167
    y1 = y2px(parseFloat(eval_jsmath(p,fun_y)));\
168
    x2 = x2px(parseFloat(eval_jsmath(p+step,fun_x)));\
169
    y2 = y2px(parseFloat(eval_jsmath(p+step,fun_y)));\
170
    x_anim_points[idx] = x1;y_anim_points[idx] = y1;idx++;\
171
     ctx.moveTo(x1,y1);\
172
     ctx.lineTo(x2,y2);\
173
     ctx.moveTo(x1,y1);\
174
     ctx.lineTo(x2,y2);\
175
   };\
176
   ctx.closePath();\
177
   ctx.stroke();\
178
  };\
179
  animation_funs = 0.5*animation_funs;\
180
 }else{\
181
  for(var i = 0 ; i < animation_funs; i++){\
182
   var fun = to_js_math(funs[i]);\
183
   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;};\
184
   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;};\
185
   if(use_dashed[i] == \"1\" || use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
186
   ctx.lineWidth = linewidth[i] || linewidth;\
187
   ctx.strokeStyle='rgba('+color[i] || color +','+opacity[i] || opacity +')';\
188
   var y1;var x1;var y2;var x2;\
189
   ctx.beginPath();\
190
   for(var p = 0 ; p<xsize;p++){\
191
    x1 = px2x(p);\
192
    y1 = y2px(parseFloat(eval_jsmath(x1,fun)));\
193
    x2 = px2x(p+1);\
194
    y2 = y2px(parseFloat(eval_jsmath(x2,fun)));\
195
    x_anim_points[idx] = p;y_anim_points[idx] = y1;idx++;\
196
    if(Math.abs(y2-y1) < ysize ){\
197
     ctx.moveTo(p,y1);\
198
     ctx.lineTo(p+1,y2);\
199
    };\
200
   };\
201
   ctx.closePath();\
202
   ctx.stroke();\
203
  };\
204
 };\
205
 if( use_animate == 1 ){animation_steps = idx;animate_this();}\
206
};",canvas_root_id);
207
break;
208
 
209
case JS_MATH:
210
fprintf(js_include_file,"\n/* to_js_math() */\
211
function to_js_math(math_fun){\
212
 if(math_fun == null){return;};\
213
 var infun=[\"sqrt\",\"^\",\"asin\",\"acos\",\"atan\",\"log\",\"pi\",\"abs\",\"sin\",\"cos\",\"tan\",\"e\"];\
214
 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)\"];\
215
 var len = infun.length;var in_fun;var In_Fun;var out_fun;var w_cnt;\
216
 for(var p=0 ; p < len ; p++){\
217
  in_fun = infun[p];In_Fun = in_fun.toUpperCase();out_fun = outfun[p];w_cnt=0;\
218
  if(math_fun.indexOf(in_fun) != -1){\
219
   if(in_fun == \"^\"){\
220
    var tab = [];var small_trick = \"___small_trick___\";\
221
    while (math_fun.indexOf(\"(\") != -1){\
222
     math_fun = math_fun.replace(/(\\([^\\(\\)]*\\))/g, function(m, t){tab.push(t);return (small_trick + (tab.length - 1));});\
223
     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
224
    };\
225
    tab.push(math_fun);w_cnt = 0;math_fun = small_trick + (tab.length - 1);\
226
    while (math_fun.indexOf(small_trick) != -1){\
227
     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)\");});\
228
     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
229
    };\
16844 bpr 230
   } else {\
15111 schaersvoo 231
    while( math_fun.indexOf(in_fun) != -1 ){\
232
     math_fun = math_fun.replace(in_fun,out_fun);\
233
     math_fun = math_fun.replace(in_fun,In_Fun);\
234
     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
235
    };\
236
   };\
237
  };\
238
 };\
239
 for(var p=0 ; p < len ; p++){\
240
  in_fun = infun[p];In_Fun = in_fun.toUpperCase();w_cnt = 0;\
241
  if(math_fun.indexOf(In_Fun) != -1 ){\
242
   while(math_fun.indexOf(In_Fun) != -1){\
243
    math_fun = math_fun.replace(In_Fun,in_fun);\
244
    w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
245
   };\
246
  };\
247
 };\
248
 return math_fun;\
249
};");
250
break;
251
 
252
case INTERACTIVE:
253
 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};};");
254
break;
255
case USERDRAW_AND_ZOOM:
256
fprintf(js_include_file,"\n/* add zoom support for multidraw */\
257
function recalculate_userdraw(xmin0,ymin0,xmax0,ymax0){\
258
 function x_zoom(px){\
259
  var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
260
  return parseFloat(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
261
 };\
262
 function y_zoom(py){\
263
  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
264
  return parseFloat(-1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
265
 };\
266
 function r_zoom(r){\
267
  return r*(xmin0/xmin);\
268
 };\
269
 var len = userdraw_x.length;\
270
 var x;var y;var r;\
271
 for(var p=0;p<len;p++){\
272
  x = userdraw_x[p];\
273
  y = userdraw_y[p];\
274
  userdraw_x[p] = x_zoom(x);\
275
  userdraw_y[p] = y_zoom(y);\
276
  if( userdraw_radius[p] ){\
277
   r = userdraw_radius[p];\
278
   userdraw_radius[p] = r_zoom(r);\
279
  };\
280
 };\
281
};");
282
break;
283
 
284
case DRAG_AND_ZOOM:
285
fprintf(js_include_file,"\n/* add zoom support for drag&drop */\
286
function recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0){\
287
 function x_zoom(px){\
288
  var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
289
  return parseFloat(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
290
 };\
291
 function y_zoom(py){\
292
  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
293
  return parseFloat(-1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
294
 };\
295
 var len = dragstuff.shapes.length;\
296
 var shape;var L;var x;var y;\
297
 for(var p=0;p<len;p++){\
298
  shape = dragstuff.shapes[p];\
299
  L = shape.x.length;\
300
  for(var i=0;i<L;i++){\
301
   x = shape.x[i];\
302
   y = shape.y[i];\
303
   dragstuff.shapes[p].x[i] = x_zoom(x);\
304
   dragstuff.shapes[p].y[i] = y_zoom(y);\
305
  };\
306
 };\
307
};");
308
break;
309
 
310
case JSPLOT_AND_ZOOM:
311
fprintf(js_include_file,"\n/* add zoom support for jscurves */\
312
function redraw_jsplot(){for(var p=0; p <= all_jsplots;p++){try{var fun = eval('js_plot'+p);fun();}catch(e){};};};");
313
break;
314
 
315
case JS_ZOOM:
316
fprintf(js_include_file,"\n/* add zoom support */\
317
var x_min_start = xmin;var x_max_start = xmax;var y_min_start = ymin;var y_max_start = ymax;\
318
var zoomcanvas = create_canvas%d(%d,xsize,ysize);\
319
function redraw_canvas%d(key){\
320
 var xmin0 = xmin;var xmax0 = xmax;var ymin0 = ymin;var ymax0 = ymax;\
321
 switch(key){\
322
  case 0: xmin++;ymin++;xmax--;ymax--;break;\
323
  case 1: xmin--;ymin--;xmax++;ymax++;break;\
324
  case 2: xmin--;xmax--;break;\
325
  case 3: xmin++;xmax++;break;\
326
  case 4: ymin--;ymax--;break;\
327
  case 5: ymax++;ymin++;break;\
328
  case 6: xmin = x_min_start;xmax=x_max_start;ymin=y_min_start;ymax=y_max_start;break;\
329
  default: break;\
330
 };\
331
 if(xmin >= xmax){xmin = x_min_start;xmax = x_max_start;};\
332
 if(ymin >= ymax){ymax = y_max_start;ymin = y_min_start;};\
333
 if( typeof(recalculate_multidraw) === 'function'){recalculate_multidraw(xmin0,xmax0,ymin0,ymax0);redraw_userdraw();}\
334
 if( typeof(recalculate_userdraw) === 'function'){recalculate_userdraw(xmin0,ymin0,xmax0,ymax0);redraw_userdraw();}\
335
 if( typeof(redraw_grid) === 'function'){redraw_grid();};\
336
 if( typeof(redraw_jsplot) === 'function'){redraw_jsplot();};\
337
 if( typeof(recalculate_dragdrop) === 'function'){recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0);dragstuff.valid = false;dragstuff.draw();};\
338
 return;\
339
};\
340
canvas_div.addEventListener(\"mousedown\",check_zoom_or_pan,false);\
341
canvas_div.addEventListener(\"wheel\",wheel_zoom,false);\
342
canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();check_zoom_or_pan(e.changedTouches[0]);},false);\
343
function wheel_zoom(evt){\
344
 evt.preventDefault();\
345
 var key = 1;\
346
 if(evt.deltaY > 0 ){key = 0};\
347
 redraw_canvas%d(key);\
348
 return;\
349
};\
350
function check_zoom_or_pan(evt){\
351
 var mouse = getMouse(evt,zoomcanvas);\
352
 var my = mouse.y;\
353
 if(my < ysize - 30){ return; };\
354
 var mx = mouse.x;\
355
 var key = -1;\
356
 for(var p = 15 ; p < 106 ; p = p+15){\
357
  key++;\
358
  if(mx > xsize - p){\
359
   redraw_canvas%d(key);\
360
   return;\
361
  };\
362
 };\
363
 return;\
364
};",canvas_root_id,ZOOM_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id);
365
break;
366
 
367
case DRAW_FILL_PATTERN:
368
fprintf(js_include_file,"\n /* add fill pattern */ \
369
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;\
370
 switch(type){\
371
  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;\
372
  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;\
373
  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;\
374
  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;\
375
  case 6: alert('wait for image '+(image_cnt+1)+'...');pat = image_patterns[image_cnt];image_cnt++;break;\
376
  default: break;\
377
 };\
378
 document.body.style.cursor = 'default';return pat;\
379
};",canvas_root_id);
380
break;
381
 
382
case JS_TRANSFORM_MOUSE:
383
/* identify mouse coordinates on transformed objects using command affine */
384
fprintf(js_include_file,"\n/* translate mouse */\
385
function transform_mouse(mx,my,obj){\
386
if( typeof(obj.affine_matrix) === 'undefined' ){console.log('translate_mouse() affine_matrix undefined');{x:mx,y:my};};\
387
var m = obj.affine_matrix;\
388
var d = 1/(m[0]*m[3]-m[1]*m[2]);\
389
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]) ];\
390
return { x:mx*im[0]+my*im[2]+im[4], y:mx*im[1]+my*im[3]+im[5] };};");
391
break;
392
 
393
case JS_ROTATE_MOUSE:
394
/*
395
identify mouse coordinates on rotated STRING (no 14) objects used for command rotate :
396
faster than transform matrix
397
*/
398
fprintf(js_include_file,"\n/* rotate mouse */\
399
function rotate_mouse(mx,my,obj){\
400
 if( typeof(obj.angle) === 'undefined' ){console.log('rotate_mouse() angle undefined');return {x:mx,y:my};};\
401
 var cos = Math.cos(obj.angle);\
402
 var sin = Math.sin(obj.angle);\
403
 var xc = obj.rotation_center[0];\
404
 var yc = obj.rotation_center[1];\
405
 var x_r = parseInt((cos * (mx - xc)) + (sin * (my - yc)) + xc);\
406
 var y_r = parseInt((cos * (my - yc)) - (sin * (mx - xc)) + yc);\
407
 return {x:x_r,y:y_r};};");
408
break;
409
 
410
case JS_FIND_ANGLE:
411
 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);};");
412
break;
413
 
414
case DRAG_EXTERNAL_IMAGE:
415
/*
416
the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
417
reply is object{} and identical to reply from dragstuff library for drag&drop&click
418
reply[object_cnt] = {type:onclick,x:x0,y:y0,r:radius,angle:angle,clicked:0|1};
419
 
420
 
421
   img[6]= parseInt(img[6] - img[16]);\
422
   img[7]= parseInt(img[7] - img[17]);\
423
   else{\
424
    img[6]= parseInt(img[6] + img[16]);\
425
    img[7]= parseInt(img[7] + img[17]);\
426
  };\
427
 
428
*/
429
fprintf(js_include_file,"\n/* drag external images */\
430
var external_ctx = external_canvas.getContext(\"2d\");\
431
var external_canvas_rect = external_canvas.getBoundingClientRect();\
432
canvas_div.addEventListener(\"mousedown\",setxy,false);\
433
canvas_div.addEventListener(\"mouseup\",dragstop,false);\
434
canvas_div.addEventListener(\"mousemove\",dragxy,false);\
435
canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();setxy(e.changedTouches[0]);},false);\
436
canvas_div.addEventListener(\"touchend\"  ,function(e){ e.preventDefault();dragstop(e.changedTouches[0]);},false);\
437
canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();dragxy(e.changedTouches[0]);},false);\
438
var selected_image = null;\
439
if( typeof(ext_drag_images) !== 'object' ){var ext_drag_images = new Array();};\
440
if( typeof(ext_image_cnt) == 'undefined'){var ext_image_cnt = 0;};\
441
function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,onclick,object_cnt,use_offset,use_snap,resize){\
442
 var image = new Image();\
443
 image.src = URL;\
444
 slidergroup[object_cnt] = null;\
445
 image.onload = function(){\
446
  if( sx < 1 ){ sx = 0; };\
447
  if( sy < 1 ){ sy = 0; };\
448
  if( swidth < 1 ){swidth = image.width;};\
449
  if( sheight < 1 ){sheight = image.height;};\
450
  if( width < 1 ){width = image.width;};\
451
  if( height < 1 ){height = image.height;};\
452
  if( resize == 1 ){\
453
   if( swidth > image.width ){ swidth = image.width; };\
454
   if( sheight > image.height){ sheight = image.height;};\
455
   if( width > image.width ){ width = image.width; };\
456
   if( height > image.height){ height = image.height;};\
457
  };\
458
  var img = new Array(18);\
459
  img[0] = onclick;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
460
  img[8] = width;img[9] = height;img[10] = object_cnt;img[11] = use_snap;\
461
  img[6] = x0;img[7] = y0;\
462
  img[12] = ext_image_cnt;\
463
  img[13] = img[6];img[14] = img[7];img[15] = 0;img[16] = 0;img[17] = 0;\
464
  if(use_offset == 4 ){\
465
   img[16] = 0.5*img[8];\
466
   img[17] = 0.5*img[9];\
467
   img[6]= parseInt(img[6] - img[16]);\
468
   img[7]= parseInt(img[7] - img[17]);\
469
  };\
470
  external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
471
  dragdrop_reply[img[10]] = {object_cnt:object_cnt,type:img[0],x:x0,y:y0,r:0,angle:0,clicked:img[15]};\
472
  ext_drag_images[ext_image_cnt] = img;\
473
  ext_image_cnt++;\
474
 };\
475
};\
476
function dragstop(evt){\
477
 if(selected_image != null){\
478
  var s_img = ext_drag_images[selected_image];\
479
  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]};\
480
  console.log(dragdrop_reply[s_img[12]]);\
481
 };\
482
 selected_image = null;return;\
483
};\
484
function dragxy(evt){\
485
 if( selected_image != null ){\
486
  var s_img = ext_drag_images[selected_image];\
487
  var mouse = getMouse(evt,external_canvas);\
488
  var xy = multisnap_check(mouse.x,mouse.y,s_img[11]);\
489
  xy[0] = parseInt(xy[0] - 0.5*s_img[8]);\
490
  xy[1] = parseInt(xy[1] - 0.5*s_img[9]);\
491
  s_img[6] = xy[0];s_img[7] = xy[1];\
492
  ext_drag_images[selected_image] = s_img;\
493
  external_ctx.clearRect(0,0,xsize,ysize);\
494
  for(var i = 0; i < ext_image_cnt ; i++){\
495
   var img = ext_drag_images[i];\
496
   external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
497
  };\
498
 };\
499
};\
500
function setxy(evt){\
501
 if( ! selected_image ){\
502
  console.log(selected_image);\
503
  var mouse = getMouse(evt,external_canvas);\
504
  var xm = mouse.x;\
505
  var ym = mouse.y;\
506
  var img;var xmarge;var ymarge;\
507
  for(var p = 0 ; p < ext_image_cnt ; p++){\
508
   if( ext_drag_images[p] ){\
509
    img = ext_drag_images[p];\
510
    if( img[0] != 0 ){\
511
     xmarge = 0.5*img[8];ymarge = 0.5*img[9];\
512
     if( xm > img[6] - xmarge && xm < img[6] + img[8]){\
513
      if( ym > img[7] - ymarge && ym < img[7] + img[9]){\
514
       if( img[0] == 1){\
515
        if( dragdrop_reply[img[10]].clicked == 1 ){\
516
         dragdrop_reply[img[10]].clicked = 0;external_ctx.strokeStyle = '#ffffff';\
517
        }\
518
        else\
519
        {\
520
         dragdrop_reply[img[10]].clicked = 1;external_ctx.strokeStyle = '#00ff00';\
521
        };\
522
        external_ctx.lineWidth = 2;\
523
        external_ctx.beginPath();\
524
        external_ctx.rect(img[6]-2,img[7]-2,img[8]+2,img[9]+2);\
525
        external_ctx.closePath();\
526
        external_ctx.stroke();\
527
        return;\
528
       }\
529
       else\
530
       {\
531
        img[6] = xm;\
532
        img[7] = ym;\
533
        selected_image = p;\
534
        dragxy(evt);\
535
        ext_drag_images[p] = img;\
536
       };\
537
      };\
538
     };\
539
    };\
540
   };\
541
  };\
16844 bpr 542
 } else {\
15111 schaersvoo 543
  selected_image = null;\
544
 };\
545
};");
546
break;
547
 
548
case DRAW_EXTERNAL_IMAGE:
549
/*
550
the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
551
only drag_xy !
552
snaptogrid | xsnaptogrid | ysnaptogrid works
553
14/5/2019
554
on heavy styled wims (unice.fr etc problems with mouse?
555
now uniform method of retreiving mouse coordinates getMouse()
556
*/
557
fprintf(js_include_file,"\n/* draw external images */\
558
function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,use_offset,resize){\
559
 var external_ctx = image_copy_canvas.getContext(\"2d\");\n\
560
 var image = new Image();\
561
 image.src = URL;\
562
 image.onload = function(){\
563
  if( sx < 1 ){ sx = 0; };\
564
  if( sy < 1 ){ sy = 0; };\
565
  if( swidth < 1 ){swidth = image.width;};\
566
  if( sheight < 1 ){sheight = image.height;};\
567
  if( width < 1 ){width = image.width;};\
568
  if( height < 1 ){height = image.height;};\
569
  if( resize == 1 ){\
570
   if( swidth > image.width ){ swidth = image.width; };\
571
   if( sheight > image.height){ sheight = image.height;};\
572
   if( width > image.width ){ width = image.width; };\
573
   if( height > image.height){ height = image.height;};\
574
  };\
575
  var img = new Array(9);\
576
  img[0] = image;img[1] = sx;img[2] = sy;img[3] = swidth;img[4] = sheight;img[5] = x0;img[6] = y0;\
577
  if(use_offset == 4 ){img[5] = parseInt(img[5] - 0.5*width);img[6] = parseInt(img[6] - 0.5*height);};\
578
  img[7] = width;img[8] = height;\
579
  external_ctx.drawImage(img[0],img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8]);\
580
 };\
581
};");
582
break;
583
 
584
case DRAW_BEZIER:
585
fprintf(js_include_file,"\n/* draw bezier curve */\
586
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
587
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){\
588
 var obj;\
589
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
590
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 591
 } else {\
15111 schaersvoo 592
  obj = create_canvas%d(canvas_type,xsize,ysize);\
593
 };\
594
 var ctx = obj.getContext(\"2d\");\
595
 ctx.save();\
596
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
597
 ctx.lineWidth = linewidth;\
598
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
599
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
600
 ctx.beginPath();\
601
 ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
602
 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]));\
603
 var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
604
 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;};\
605
 ctx.stroke();\
606
 ctx.restore();\
607
};",canvas_root_id,canvas_root_id,canvas_root_id);
608
break;
609
 
610
case DRAW_GRIDFILL:/* not used for userdraw */
611
fprintf(js_include_file,"\n/* draw gridfill */\
612
var grid_fill_pattern;\
613
function draw_gridfill(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize,use_userdraw){\
614
 if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
615
 var fc = %d+canvas_type;\
616
 var obj = create_canvas%d(fc,xsize,ysize);\
617
 var ctx = obj.getContext('2d');\
618
 var x,y;\
619
 ctx.fillStyle='rgba(255,255,255,0.01)';\
620
 ctx.rect(0,0,xsize,ysize);\
621
 ctx.fill();\
622
 ctx.lineWidth = linewidth;\
623
 ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
624
 for( x = 0 ; x <= xsize ; x = x + dx ){\
625
  ctx.beginPath();\
626
  ctx.moveTo(x,0);\
627
  ctx.lineTo(x,ysize);\
628
  ctx.closePath();\
629
  ctx.stroke();\
630
 };\
631
 for( y = 0 ; y <= ysize; y = y + dy ){\
632
  ctx.beginPath();\
633
  ctx.moveTo(0,y);\
634
  ctx.lineTo(xsize,y);\
635
  ctx.closePath();\
636
  ctx.stroke();\
637
 };\
638
 if( use_userdraw ){\
639
  grid_fill_pattern = ctx;\
16844 bpr 640
 } else {\
15111 schaersvoo 641
  setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};return;\
642
};",canvas_root_id,canvas_root_id);
643
break;
644
 
645
case DRAW_IMAGEFILL:/* not  used for userdraw */
646
fprintf(js_include_file,"\n/* draw imagefill */\
647
function draw_imagefill(canvas_type,x0,y0,URL,xsize,ysize,use_userdraw,use_scaling){\
648
 var fc = %d+canvas_type;\
649
 var obj = create_canvas%d(fc,xsize,ysize);\
650
 var ctx = obj.getContext('2d');\
651
 var img = new Image();\
652
 img.src = URL;\
653
 obj.style.visibility = 'hidden';\
654
 img.onload = function(){\
655
  if( use_scaling == 1 ){\
656
   ctx.drawImage(img,x0,y0,xsize,ysize);\
657
  }else{\
658
   var w0 = img.width;var h0 = img.height;var w;var h;\
659
   for( w = x0; w < xsize ; w = w + w0 ){\
660
    for( h = y0; h < ysize; h = h + h0){\
661
      ctx.drawImage(img,w,h,w0,h0);\
662
    };\
663
   };\
664
  };\
665
  if( use_userdraw ){\
666
   image_pattern = ctx;\
16844 bpr 667
  } else {\
15111 schaersvoo 668
   setTimeout(function(){ filltoborder( x0,y0,'red','red',canvas_type,true,ctx); },500);\
669
  };\
670
 };\
671
};",canvas_root_id,canvas_root_id);
672
break;
673
 
674
case DRAW_DOTFILL:/* not  used for userdraw */
675
fprintf(js_include_file,"\n/* draw dotfill */\
676
var dot_fill_pattern;\
677
function draw_dotfill(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize,use_userdraw){\
678
if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
679
var fc = %d+canvas_type;\
680
 var obj = create_canvas%d(fc,xsize,ysize);\
681
 var ctx = obj.getContext('2d');\
682
 var x,y;\
683
 ctx.fillStyle='rgba(255,255,255,0.01)';\
684
 ctx.rect(0,0,xsize,ysize);\
685
 ctx.fill();\
686
 ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
687
 ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
688
 for( x = 0 ; x < xsize ; x = x + dx ){\
689
  for( y = 0 ; y < ysize ; y = y + dy ){\
690
   ctx.beginPath();\
691
   ctx.arc(x,y,radius,0,2*Math.PI,false);\
692
   ctx.closePath();\
693
   ctx.fill();\
694
  };\
695
 };\
696
 if( use_userdraw ){\
697
  dot_fill_pattern = ctx;\
16844 bpr 698
 } else {\
15111 schaersvoo 699
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
700
 };\
701
return;\
702
};",canvas_root_id,canvas_root_id);
703
break;
704
 
16714 schaersvoo 705
case DRAW_SUBSUP:/* Uses 'script-size for numbers and for sub & sup strings */
16722 schaersvoo 706
/* use_offset
707
 0=none;
708
 1=yoffset
709
 2=xoffset
710
 3=xyoffset
711
 4=centered
712
*/
16700 schaersvoo 713
fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\
16722 schaersvoo 714
function draw_subsup(ctx,x,y,txt,use_offset){\
16834 schaersvoo 715
 var fnt = ctx.font;\
716
 var S = fnt.replace(/[A-Za-z]/g, '');\
717
 var s = 0.8*S;\
718
 var px;if(fnt.indexOf('px')>0){px = 'px';}else{if(fnt.indexOf('em')>0){px = 'em';}else{px = 'pt';}};\
16712 schaersvoo 719
 var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\
16722 schaersvoo 720
 var m = 0.4*(ctx.measureText(txt).width);\
721
 var h = ctx.measureText('M').width;\
722
 switch(use_offset){\
723
  case 0:break;\
724
  case 1:y=y-h;;break;\
725
  case 2:x=x+h;break;\
726
  case 3:x=x+h;y=y-h;;break;\
727
  case 4:x=x-m;break;\
728
  default:break;\
729
 };\
16834 schaersvoo 730
 ctx.font = S+px+' Helvetica';ctx.textBaseline = baseline;\
16705 schaersvoo 731
 for( c = 0 ; c < len ;c++){\
16700 schaersvoo 732
  C = txt.charAt(c);space = 0;\
16834 schaersvoo 733
  if(C == '_'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);}\
16714 schaersvoo 734
  else\
16834 schaersvoo 735
  if(C == '^'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);}\
16714 schaersvoo 736
  else\
16834 schaersvoo 737
  if(C == ' '){ctx.font = S+px+' Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';}\
16714 schaersvoo 738
  else\
739
  if(C >= '0' && C <= '9'){ctx.font = s+'px Helvetica';}\
16834 schaersvoo 740
  else{ctx.font = S+px+' Helvetica';};\
16712 schaersvoo 741
  ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\
16700 schaersvoo 742
 };\
16705 schaersvoo 743
 ctx.stroke();\
16700 schaersvoo 744
 ctx.restore();\
745
 return;\
746
};");
747
break;
748
 
15111 schaersvoo 749
case DRAW_TEXTFILL:/* not  used for userdraw */
750
fprintf(js_include_file,"\n/* draw textfill */\
751
var text_fill_pattern;\
752
function draw_textfill(canvas_type,x0,y0,color,fontfamily,xsize,ysize,txt,use_userdraw){\
753
var fc = %d+canvas_type;\
754
var obj = create_canvas%d(fc,xsize,ysize);\
755
var ctx = obj.getContext('2d');\
756
ctx.font = fontfamily;\
757
var dx = 2+(ctx.measureText(txt)).width;\
758
var dy = 2+(ctx.measureText('MI')).width;\
759
ctx.fillStyle='rgba(255,255,255,0.01)';\
760
ctx.rect(0,0,xsize,ysize);\
761
ctx.fill();\
762
ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
763
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
764
for(var x = 0 ; x <= xsize ; x = x + dx ){\
765
 for(var y = 0 ; y <= ysize ; y = y + dy ){\
766
  ctx.fillText(txt, x, y);\
767
 };\
768
};\
769
if( use_userdraw ){\
770
 text_fill_pattern = ctx;\
771
}\
772
else\
773
{\
774
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
775
};\
776
return;};",canvas_root_id,canvas_root_id);
777
break;
778
 
779
case DRAW_DIAMONDFILL:/* not used for userdraw */
780
fprintf(js_include_file,"\n/* draw hatch fill */\
781
var diamond_fill_pattern;\
782
function draw_diamondfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
783
if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
784
var fc = %d+canvas_type;\
785
var obj = create_canvas%d(fc,xsize,ysize);\
786
var ctx = obj.getContext('2d');\
787
var x;\
788
var y;\
789
ctx.lineWidth = linewidth;\
790
ctx.fillStyle='rgba(255,255,255,0.01)';\
791
ctx.rect(0,0,xsize,ysize);\
792
ctx.fill();\
793
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
794
y = ysize;\
795
ctx.beginPath();\
796
for( x = 0 ; x <= xsize ; x = x + dx ){\
797
  ctx.moveTo(x,0);\
798
  ctx.lineTo(xsize,y);\
799
  y = y - dy;\
800
};\
801
y=0;\
802
for( x = xsize ; x >= 0 ; x = x - dx){\
803
 ctx.moveTo(x,ysize);\
804
 ctx.lineTo(0,y);\
805
 y = y + dy;\
806
};\
807
y = 0;\
808
for( x = 0 ; x <= xsize ; x = x + dx ){\
809
 ctx.moveTo(x,0);\
810
 ctx.lineTo(0,y);\
811
 y = y + dy;\
812
};\
813
y = 0;\
814
for( x = 0 ; x <= xsize ; x = x + dx ){\
815
 ctx.moveTo(xsize,y);\
816
 ctx.lineTo(x,ysize);\
817
 y = y + dy;\
818
};\
819
ctx.closePath();\
820
ctx.stroke();\
821
if( use_userdraw ){\
822
 diamond_fill_pattern = ctx;\
823
}\
824
else\
825
{\
826
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
827
};\
828
return;\
829
}",canvas_root_id,canvas_root_id);
830
break;
831
 
832
case DRAW_HATCHFILL:/* not used for userdraw */
833
fprintf(js_include_file,"\n/* draw hatch fill */\
834
var hatch_fill_pattern;\
835
function draw_hatchfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
836
if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
837
var fc = %d+canvas_type;\
838
var obj = create_canvas%d(fc,xsize,ysize);\
839
var ctx = obj.getContext('2d');\
840
var x,y;\
841
ctx.fillStyle='rgba(255,255,255,0.01)';\
842
ctx.rect(0,0,xsize,ysize);\
843
ctx.fill();\
844
ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
845
ctx.lineWidth = linewidth;\
846
y = ysize;\
847
ctx.beginPath();\
848
for( x = 0 ; x <= xsize ; x = x + dx ){\
849
 ctx.moveTo(x,0);\
850
 ctx.lineTo(xsize,y);\
851
 y = y - dy;\
852
};\
853
y = 0;\
854
for( x = xsize ; x >= dx ; x = x - dx){\
855
 ctx.moveTo(x,ysize);\
856
 ctx.lineTo(0,y);\
857
 y = y + dy;\
858
};\
859
ctx.closePath();\
860
ctx.stroke();\
861
if( use_userdraw ){\
862
 hatch_fill_pattern = ctx;\
863
}\
864
else\
865
{\
866
 setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
867
};\
868
return;};",canvas_root_id,canvas_root_id);
869
break;
870
 
871
case DRAW_LINES:/*  used for js-tracing */
872
fprintf(js_include_file,"\n/* draw lines */\
873
function calc_line(x1,x2,y1,y2){\
874
 var marge = 2;\
875
 if(x1 < x2+marge && x1>x2-marge){\
876
  return [x1,0,x1,ysize];\
877
 };\
878
 if(y1 < y2+marge && y1>y2-marge){\
879
  return [0,y1,xsize,y1];\
880
 };\
881
 var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
882
 var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
883
 return [0,Y1,xsize,Y2];\
884
};\
885
var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
886
 ctx.save();\
887
 var line = new Array(4);\
888
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
889
 ctx.lineWidth = line_width;\
890
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
891
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
892
 for(var p = 0 ; p < x_points.length ; p = p+2 ){\
893
  line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
894
  ctx.beginPath();\
895
  ctx.moveTo(line[0],line[1]);\
896
  ctx.lineTo(line[2],line[3]);\
897
  ctx.closePath();\
898
  ctx.stroke();\
899
  }\
900
  ctx.restore();\
901
  return;\
902
 };");
903
break;
904
 
905
case DRAW_CROSSHAIRS:/*  used for tracing */
906
fprintf(js_include_file,"\n/* draw crosshairs  */\
907
var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle){\
908
 ctx.save();\
909
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
910
 ctx.lineWidth = line_width;\
911
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
912
 var x1,x2,y1,y2;\
913
 for(var p = 0 ; p < x_points.length ; p++ ){\
914
  x1 = x_points[p] - crosshair_size;\
915
  x2 = x_points[p] + crosshair_size;\
916
  y1 = y_points[p] - crosshair_size;\
917
  y2 = y_points[p] + crosshair_size;\
918
  ctx.beginPath();\
919
  ctx.moveTo(x1,y1);\
920
  ctx.lineTo(x2,y2);\
921
  ctx.closePath();\
922
  ctx.stroke();\
923
  ctx.beginPath();\
924
  ctx.moveTo(x2,y1);\
925
  ctx.lineTo(x1,y2);\
926
  ctx.closePath();\
927
  ctx.stroke();\
928
 }\
929
 ctx.restore();\
930
  return;\
931
};");
932
break;
933
 
934
case DRAW_VIDEO:/* not  used for userdraw */
935
fprintf(js_include_file,"\n/* draw video */\
936
var draw_video = function(canvas_root_id,x,y,w,h,URL){\
937
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
938
 var video_div = document.createElement(\"div\");\
939
 canvas_div.appendChild(video_div);\
940
 video_div.style.position = \"absolute\";\
941
 video_div.style.left = x+\"px\";\
942
 video_div.style.top = y+\"px\";\
943
 video_div.style.width = w+\"px\";\
944
 video_div.style.height = h+\"px\";\
945
 var video = document.createElement(\"video\");\
946
 video_div.appendChild(video);\
947
 video.style.width = w+\"px\";\
948
 video.style.height = h+\"px\";\
949
 video.autobuffer = true;\
950
 video.controls = true;video.autoplay = false;\
951
 var src = document.createElement(\"source\");\
952
 src.type = \"video/mp4\";\
953
 src.src = URL;\
954
 video.appendChild(src);\
955
 video.load();\
956
 return;\
957
};");
958
break;
959
 
960
case DRAW_AUDIO:/* not used for userdraw */
961
fprintf(js_include_file,"\n/* draw audio */\
962
var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
963
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
964
 var audio_div = document.createElement(\"div\");\
965
 canvas_div.appendChild(audio_div);\
966
 audio_div.style.position = \"absolute\";\
967
 audio_div.style.left = x+\"px\";\
968
 audio_div.style.top = y+\"px\";\
969
 audio_div.style.width = w+\"px\";\
970
 audio_div.style.height = h+\"px\";\
971
 var audio = document.createElement(\"audio\");\
972
 audio_div.appendChild(audio);\
973
 audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
974
 audio.autobuffer = true;\
975
 if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
976
 if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
977
 var src1 = document.createElement(\"source\");\
978
 src1.type = \"audio/ogg\";\
979
 src1.src = URL1;\
980
 audio.appendChild(src1);\
981
 var src2 = document.createElement(\"source\");\
982
 src2.type = \"audio/mpeg\";\
983
 src2.src = URL2;\
984
 audio.appendChild(src2);\
985
 audio.load();\
986
 return;\
987
};");
988
break;
989
 
990
case DRAW_HTTP:/* not  used for userdraw */
991
fprintf(js_include_file,"\n/* draw http */\
992
var draw_http = function(canvas_root_id,x,y,w,h,URL){\
993
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
994
 var http_div = document.createElement(\"div\");\
995
 var iframe = document.createElement(\"iframe\");\
996
 canvas_div.appendChild(http_div);\
997
 http_div.appendChild(iframe);\
998
 iframe.src = URL;\
999
 iframe.setAttribute(\"width\",w);\
1000
 iframe.setAttribute(\"height\",h);\
1001
 return;\
1002
};");
1003
break;
1004
 
1005
case DRAW_XML:
1006
/*
1007
!! function draw_xml(object)
1008
!! produced by : DRAW_XML
1009
!! used by commands: katex,latex,mathml,html,obabel
1010
!! uses js-functions: calculate_size(xml_div),rad2deg(rad)
1011
!! user interaction: drag,onclick,slider
1012
!! reply function: read_dragdrop()
1013
 
1014
onclick=0; no interaction
1015
onclick=1: click
1016
onclick=2: drag ==> always centered (use_offset=4)
1017
onclick=3: slider + click on object
1018
onclick=4: slider (always active , keyword 'active' in slider params)
1019
onclick=5: slider + dragdrop
1020
xy:  drag_type = 0;
1021
x:   drag_type = 1;
1022
y:   drag_type = 2;
1023
 
1024
obj.type: mathml,katex,html,svg,image(bitmap) (attention: for centering image needs to be measured after loading page !!)
1025
*/
1026
 
1027
fprintf(js_include_file,"\n/* draw xml */\
1028
function centered(xml_div,obj){\
1029
 var ww = 0.5*(parseFloat(window.getComputedStyle(xml_div).width));\
1030
 var hh = 0.5*(parseFloat(window.getComputedStyle(xml_div).height));\
1031
 obj.offset = [ ww , hh ];\
16638 bpr 1032
 xml_div.style.left = obj.x[0] - obj.offset[0] +'px';xml_div.style.top  = obj.y[0] - obj.offset[1] +'px';\
15111 schaersvoo 1033
};\
1034
function rad2deg(rad){return rad*180/(Math.PI);};\
1035
if( typeof(slidergroup) !== 'object' ){ var slidergroup = [];};\
1036
function draw_xml(obj){\
1037
 var mouse;var xy = [obj.x[0],obj.y[0]];\
1038
 var xml_div;\
1039
 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};\
1040
 if( obj.once ){\
1041
  xml_div = document.createElement('DIV');\
1042
  canvas_div.appendChild(xml_div);\
1043
  if( obj.type == 'katex' ){ obj.mathml = LoadKaTeX('html',obj.mathml);};\
1044
  xml_div.id = 'xml_div'+obj.id;\
1045
  xml_div.innerHTML = obj.mathml;\
1046
  xml_div.style.position = \"absolute\";\
1047
  xml_div.style.color = \"rgba(\"+obj.stroke_color+\",\"+obj.stroke_opacity+\")\";\
1048
  xml_div.style.font = obj.fontfamily;\
1049
  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 1050
  if( obj.use_center == 1 ){if( obj.type == 'image' ){xml_div.addEventListener('load',function(e){centered(xml_div,obj);},true);}else{%s};};\
16844 bpr 1051
 } else {\
15111 schaersvoo 1052
  xml_div = document.getElementById('xml_div'+obj.id );\
1053
 };\
1054
 if( typeof(xml_div) === 'undefined' ){console.log('hmmmmm'); return;};\
1055
 xml_div.style.left = parseInt(obj.x[0] - obj.offset[0]) +'px';\
1056
 xml_div.style.top  = parseInt(obj.y[0] - obj.offset[1]) +'px';\
1057
 var back_color = 'rgba('+obj.fill_color+','+obj.fill_opacity+')';\
1058
 var no_color = 'rgba(255,255,255,0)';var dragging = false;\
1059
 if( obj.use_affine != 0 || obj.angle != 0 ){\
1060
  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)';\
1061
 };\
1062
 if( obj.once ){\
1063
  obj.once = false;\
1064
  switch(obj.onclick){\
1065
   case 2:\
1066
    if(isTouch){\
1067
     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);\
1068
     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);\
1069
     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);\
1070
     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);\
16844 bpr 1071
    } else {\
15111 schaersvoo 1072
     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);\
1073
     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);\
1074
     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);\
1075
    };\
1076
    break;\
1077
   case 1:\
16844 bpr 1078
    if(isTouch){\
15111 schaersvoo 1079
     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);\
16844 bpr 1080
    } else {\
15111 schaersvoo 1081
     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);\
1082
    };\
1083
    break;\
1084
   case 3:\
16844 bpr 1085
    if(isTouch){\
15111 schaersvoo 1086
     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);\
16844 bpr 1087
    } else {\
15111 schaersvoo 1088
     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);\
1089
    };\
1090
    break;\
1091
   case 4:slidergroup[obj.object_cnt] = obj;break;\
1092
   case 5:slidergroup[obj.object_cnt] = obj;\
1093
    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);\
1094
    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);\
1095
    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);\
1096
    break;\
1097
   default: break;\
1098
  };\
1099
 };\
1100
 return;\
16642 schaersvoo 1101
};",mathjax);
15111 schaersvoo 1102
 
1103
/*
1104
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));\
1105
*/
1106
break;
1107
 
1108
case DRAW_SGRAPH:
1109
/*
1110
 xstart = given
1111
 ystart = given
1112
 sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
1113
*/
1114
fprintf(js_include_file,"\n/* draw sgraph */\
1115
var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
1116
 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);};\
1117
 var ctx = obj.getContext(\"2d\");\
1118
 ctx.font = fontfamily;\
1119
 var minor_opacity = 0.8*opacity;\
1120
 ctx.clearRect(0,0,xsize,ysize);\
1121
 var zero_x = 0.1*xsize;\
1122
 var zero_y = 0.9*ysize;\
1123
 var snor_x;var snor_y;\
1124
 if( xstart != xmin){\
1125
  snor_x = 0.1*xsize;\
16844 bpr 1126
 }else{\
15111 schaersvoo 1127
  snor_x = 0;\
1128
  xstart = xmin;\
1129
 };\
1130
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1131
 ctx.lineWidth = 2;\
1132
 ctx.beginPath();\
1133
 ctx.moveTo(xsize,zero_y);\
1134
 ctx.lineTo(zero_x,zero_y);\
1135
 ctx.lineTo(zero_x,0);\
1136
 ctx.stroke();\
1137
 ctx.closePath();\
1138
 ctx.beginPath();\
1139
 ctx.moveTo(zero_x,zero_y);\
1140
 ctx.lineTo(zero_x + 0.25*snor_x,zero_y - 0.1*snor_x);\
1141
 ctx.lineTo(zero_x + 0.5*snor_x,zero_y + 0.1*snor_x);\
1142
 ctx.lineTo(zero_x + 0.75*snor_x,zero_y - 0.1*snor_x);\
1143
 ctx.lineTo(zero_x + snor_x,zero_y);\
1144
 ctx.stroke();\
1145
 ctx.closePath();\
1146
 ctx.beginPath();\
1147
 var num = xstart;\
1148
 var flipflop = 1;\
1149
 var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
1150
 var txtsize;var txt_marge=step_x - 5;\
1151
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1152
  txtsize = ctx.measureText(num).width;\
1153
  if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
1154
  if( flipflop == 1){\
1155
   ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
16844 bpr 1156
  } else {\
15111 schaersvoo 1157
   ctx.fillText(num,x - 0.5*txtsize,zero_y+2*font_size);\
1158
  };\
1159
  num = num + xmajor;\
1160
 };\
1161
 ctx.stroke();\
1162
 ctx.closePath();\
1163
 ctx.lineWidth = 1;\
1164
 ctx.beginPath();\
1165
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1166
   ctx.moveTo(x,zero_y);\
1167
   ctx.lineTo(x,0);\
1168
 };\
1169
 ctx.stroke();\
1170
 ctx.closePath();\
1171
 if( xminor > 1){\
1172
  ctx.lineWidth = 0.5;\
1173
  ctx.beginPath();\
1174
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
1175
  var minor_step_x = step_x / xminor;\
1176
  var nx;\
1177
  for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
1178
    num = 1;\
1179
    for(var p = 1 ; p < xminor ; p++){\
1180
     nx = x + num*minor_step_x;\
1181
     ctx.moveTo(nx,zero_y);\
1182
     ctx.lineTo(nx,0);\
1183
     num++;\
1184
    };\
1185
  };\
1186
  ctx.stroke();\
1187
  ctx.closePath();\
1188
  ctx.beginPath();\
1189
  ctx.lineWidth = 2;\
1190
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1191
  for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
1192
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
1193
  };\
1194
  for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
1195
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
1196
  };\
1197
  ctx.stroke();\
1198
  ctx.closePath();\
1199
  ctx.lineWidth = 0.5;\
1200
 };\
1201
 xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
1202
 if( ystart != ymin){\
1203
  snor_y = 0.1*ysize;\
16844 bpr 1204
 } else {\
15111 schaersvoo 1205
  snor_y = 0;\
1206
  ystart = ymin;\
1207
 };\
1208
 ctx.lineWidth = 2;\
1209
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1210
 ctx.beginPath();\
1211
 ctx.moveTo(zero_x,zero_y);\
1212
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.25*snor_y);\
1213
 ctx.lineTo(zero_x + 0.1*snor_y,zero_y - 0.5*snor_y);\
1214
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.75*snor_y);\
1215
 ctx.lineTo(zero_x,zero_y - snor_y);\
1216
 ctx.stroke();\
1217
 ctx.closePath();\
1218
 ctx.beginPath();\
1219
 ctx.lineWidth = 1;\
1220
 num = ystart;\
1221
 var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
1222
 for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
1223
  ctx.moveTo(zero_x,y);\
1224
  ctx.lineTo(xsize,y);\
1225
  ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
1226
  num = num + ymajor;\
1227
 };\
1228
 ctx.stroke();\
1229
 ctx.closePath();\
1230
 if( yminor > 1){\
1231
  ctx.lineWidth = 0.5;\
1232
  ctx.beginPath();\
1233
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
1234
  var minor_step_y = step_y / yminor;\
1235
  var ny;\
1236
  for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
1237
   num = 1;\
1238
   for(var p = 1 ;p < yminor;p++){\
1239
     ny = y + num*minor_step_y;\
1240
     ctx.moveTo(zero_x,ny);\
1241
     ctx.lineTo(xsize,ny);\
1242
     num++;\
1243
    };\
1244
  };\
1245
  ctx.stroke();\
1246
  ctx.closePath();\
1247
  ctx.lineWidth = 2;\
1248
  ctx.beginPath();\
1249
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
1250
  for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
1251
   ctx.moveTo(zero_x,y);\
1252
   ctx.lineTo(zero_x+12,y);\
1253
  };\
1254
  for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
1255
   ctx.moveTo(zero_x,y);\
1256
   ctx.lineTo(zero_x+6,y);\
1257
  };\
1258
  ctx.stroke();\
1259
  ctx.closePath();\
1260
 };\
1261
 ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
1262
 if( typeof(legend%d)  !== 'undefined' ){\
1263
  ctx.globalAlpha = 1.0;\
1264
  var y_offset = 2*font_size;\
1265
  var txt;var txt_size;\
1266
  var x_offset = xsize - 2*font_size;\
1267
  var l_length = legend%d.length;var barcolor = new Array();\
1268
  if( typeof(legendcolors%d) !== 'undefined' ){\
1269
   for(var p = 0 ; p < l_length ; p++){\
1270
    barcolor[p] = legendcolors%d[p];\
1271
   };\
16844 bpr 1272
  } else {\
15111 schaersvoo 1273
   if( barcolor.length == 0 ){\
1274
    for(var p = 0 ; p < l_length ; p++){\
1275
     barcolor[p] = stroke_color;\
1276
    };\
1277
   };\
1278
  };\
1279
  for(var p = 0; p < l_length; p++){\
1280
   ctx.fillStyle = barcolor[p];\
1281
   txt = legend%d[p];\
1282
   txt_size = ctx.measureText(txt).width;\
1283
   ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
1284
   y_offset = parseInt(y_offset + 1.5*font_size);\
1285
  };\
1286
 };\
1287
 if( typeof(xaxislabel) !== 'undefined' ){\
1288
   ctx.fillStyle = \'#000000\';\
1289
   var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
1290
   ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
1291
 };\
1292
 if( typeof(yaxislabel) !== 'undefined'){\
1293
   ctx.save();\
1294
   ctx.fillStyle = \'#000000\';\
1295
   var txt_size = ctx.measureText(yaxislabel).width;\
1296
   ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
1297
   ctx.rotate(-0.5*Math.PI);\
1298
   ctx.fillText(yaxislabel,0,0);\
1299
   ctx.restore();\
1300
 };\
1301
};",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);
1302
break;
1303
 
1304
case DRAW_NUMBERLINE:
1305
fprintf(js_include_file,"\n/* draw numberline */\
1306
var draw_numberline = function(canvas_type,use_axis_numbering,x0,x1,xmajor,xminor,y0,y1,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor,precision){\
1307
 var obj = create_canvas%d(canvas_type,xsize,ysize);\
1308
 var ctx = obj.getContext(\"2d\");\
1309
 ctx.lineWidth = linewidth || 1;\
1310
 ctx.strokeStyle = \"rgba(\"+strokecolor+\",\"+strokeopacity+\")\";\
15313 schaersvoo 1311
 ctx.font = fontfamily || 'Arial 12px';\
15111 schaersvoo 1312
 var fontsize = parseInt(ctx.font);\
1313
 ctx.fillStyle =  \"rgba(\"+fontcolor+\",\"+strokeopacity+\")\";\
1314
 x1 = x2px(x1);\
1315
 x0 = x2px(x0);\
1316
 y0 = y2px(y0);\
1317
 y1 = y2px(y1);\
1318
 var sub_devision = -1;\
1319
 if( xminor%%2 == 0 ){ sub_devision = xminor/2; };\
1320
 var ybase1 = parseInt( y0 + fontsize + 2 );\
1321
 var ybase2 = parseInt( ybase1 + fontsize + 2 );\
1322
 var yh = Math.abs(parseInt( y0 - 0.3*(y0 -y1)));\
1323
 var ys = Math.abs(parseInt( y0 - 0.6*(y0 -y1)));\
1324
 xmajor = x2px(xmajor) - x2px(0);\
1325
 var i;var len;var p;\
1326
 xminor = xmajor / xminor;\
1327
 ctx.beginPath();\
1328
 for(p = x0 ; p < x1 ; p = p + xmajor){\
1329
  ctx.moveTo(p,y0);ctx.lineTo(p,y1);i = 0;\
1330
  for(var s = p ; s < p + xmajor ; s = s + xminor ){\
1331
   ctx.moveTo(s,y0);\
1332
   if( sub_devision == i){ ctx.lineTo(s,ys); } else { ctx.lineTo(s,yh); };\
1333
   i++;\
1334
  };\
1335
 };\
1336
 ctx.moveTo(p,y0);ctx.lineTo(p,y1);\
1337
 ctx.closePath();\
1338
 ctx.stroke();\
1339
 if( use_axis_numbering >-1 ){\
1340
  var str = x_strings[use_axis_numbering];\
1341
  len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
1342
  var corr;var x_nums;var x_text;var flipflop = 0;var off = ybase1;\
1343
  ctx.beginPath();\
1344
  if( x_strings_up[use_axis_numbering] == null){\
1345
   for(var p = 0 ; p < len ; p = p+2){\
1346
    var x_nums = x2px(eval(str[p]));\
1347
    var x_text = str[p+1];\
1348
    corr = ctx.measureText(x_text).width;\
1349
    if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
1350
    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),off);\
1351
   };\
16844 bpr 1352
  } else {\
15111 schaersvoo 1353
   for(var p = 0 ; p < len ; p = p+2){\
1354
    x_nums = x2px(eval(str[p]));\
1355
    x_text = str[p+1];\
1356
    corr = ctx.measureText(x_text).width + ybase1 - fontsize;\
1357
    ctx.save();\
1358
    ctx.translate(x_nums+0.5*fontsize, corr);\
1359
    ctx.rotate(-1.5708);\
1360
    ctx.fillText(x_text,0,0);\
1361
    ctx.restore();\
1362
   };\
1363
  }\
16844 bpr 1364
 } else {\
15111 schaersvoo 1365
  var corr;var num;var flipflop = 0;var off = ybase1;\
1366
  var prec = parseInt(Math.log(precision)/Math.log(10));\
1367
  for(var p = x0 ; p < x1+xmajor ; p = p+xmajor){\
1368
   num = (px2x(p)).toFixed(prec);\
1369
   corr = ctx.measureText(num).width;\
1370
   if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
1371
   ctx.fillText(num,parseInt(p - 0.5*corr),off);\
1372
  };\
1373
 };\
1374
};",canvas_root_id);
1375
break;
1376
 
1377
case DRAW_GRID:/* not used for userdraw */
1378
fprintf(js_include_file,"\n/* draw grid */\
1379
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){\
1380
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);};\
1381
var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
1382
if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
1383
ctx.save();\
1384
var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1385
ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
1386
var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
1387
ctx.font = font_family;\
1388
var barcolor = new Array();\
1389
var xstep = xsize*xmajor/(xmax - xmin);\
1390
var ystep = ysize*ymajor/(ymax - ymin);\
1391
var x2step = xstep / xminor;\
1392
var y2step = ystep / yminor;\
1393
var zero_x = x2px(0);var zero_y = y2px(0);var f_x;var f_y;\
1394
if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;};\
1395
if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;};\
1396
ctx.beginPath();\
1397
ctx.lineWidth = line_width;\
1398
ctx.strokeStyle = stroke_color;\
1399
for(var p = zero_x ; p < xsize; p = p + xstep){\
1400
 ctx.moveTo(p,0);\
1401
 ctx.lineTo(p,ysize);\
1402
};\
1403
for(var p = zero_x ; p > 0; p = p - xstep){\
1404
 ctx.moveTo(p,0);\
1405
 ctx.lineTo(p,ysize);\
1406
};\
1407
for(var p = zero_y ; p < ysize; p = p + ystep){\
1408
 ctx.moveTo(0,p);\
1409
 ctx.lineTo(xsize,p);\
1410
};\
1411
for(var p = zero_y ; p > 0; p = p - ystep){\
1412
 ctx.moveTo(0,p);\
1413
 ctx.lineTo(xsize,p);\
1414
};\
1415
if( typeof(xaxislabel) !== 'undefined' ){\
1416
 ctx.save();\
15313 schaersvoo 1417
 ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 1418
 var corr =  parseInt(1.1*ctx.measureText(xaxislabel).width);\
1419
 ctx.fillText(xaxislabel,xsize - corr,zero_y - tics_length - 0.4*font_size);\
1420
 ctx.restore();\
1421
};\
1422
if( typeof(yaxislabel) !== 'undefined' ){\
1423
 ctx.save();\
15313 schaersvoo 1424
 ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 1425
 var corr = parseInt(ctx.measureText(yaxislabel).width + font_size);\
1426
 ctx.translate(zero_x+tics_length + font_size,corr);\
1427
 ctx.rotate(-0.5*Math.PI);\
1428
 ctx.fillText(yaxislabel,0,0);\
1429
 ctx.restore();\
1430
};\
1431
ctx.stroke();\
1432
ctx.closePath();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
1433
 
1434
if( use_axis == 1 ){
1435
fprintf(js_include_file,"\
1436
 ctx.save();\
1437
 ctx.beginPath();\
1438
 ctx.strokeStyle = stroke_color;\
1439
 ctx.lineWidth = 0.6*line_width;\
1440
 for(var p = zero_x ; p < xsize; p = p + x2step){\
1441
  ctx.moveTo(p,0);\
1442
  ctx.lineTo(p,ysize);\
1443
 };\
1444
 for(var p = zero_x ; p > 0; p = p - x2step){\
1445
  ctx.moveTo(p,0);\
1446
  ctx.lineTo(p,ysize);\
1447
 };\
1448
 for(var p = zero_y ; p < ysize; p = p + y2step){\
1449
  ctx.moveTo(0,p);\
1450
  ctx.lineTo(xsize,p);\
1451
 };\
1452
 for(var p = zero_y ; p > 0; p = p - y2step){\
1453
  ctx.moveTo(0,p);\
1454
  ctx.lineTo(xsize,p);\
1455
 };\
1456
 ctx.stroke();\
1457
 ctx.closePath();\
1458
 ctx.beginPath();\
1459
 ctx.lineWidth = 2*line_width;\
1460
 ctx.strokeStyle = axis_color;\
1461
 ctx.moveTo(0,zero_y);\
1462
 ctx.lineTo(xsize,zero_y);\
1463
 ctx.moveTo(zero_x,0);\
1464
 ctx.lineTo(zero_x,ysize);\
1465
 ctx.stroke();\
1466
 ctx.closePath();\
1467
 ctx.lineWidth = line_width+0.5;\
1468
 ctx.beginPath();\
1469
 for(var p = zero_x ; p < xsize; p = p + xstep){\
1470
  ctx.moveTo(p,zero_y-tics_length);\
1471
  ctx.lineTo(p,zero_y+tics_length);\
1472
 };\
1473
 for(var p = zero_x ; p > 0; p = p - xstep){\
1474
  ctx.moveTo(p,zero_y-tics_length);\
1475
  ctx.lineTo(p,zero_y+tics_length);\
1476
 };\
1477
 for(var p = zero_y ; p < ysize; p = p + ystep){\
1478
  ctx.moveTo(zero_x-tics_length,p);\
1479
  ctx.lineTo(zero_x+tics_length,p);\
1480
 };\
1481
 for(var p = zero_y ; p > 0; p = p - ystep){\
1482
  ctx.moveTo(zero_x-tics_length,p);\
1483
  ctx.lineTo(zero_x+tics_length,p);\
1484
 };\
1485
 for(var p = zero_x ; p < xsize; p = p + x2step){\
1486
  ctx.moveTo(p,zero_y-0.5*tics_length);\
1487
  ctx.lineTo(p,zero_y+0.5*tics_length);\
1488
 };\
1489
 for(var p = zero_x ; p > 0; p = p - x2step){\
1490
  ctx.moveTo(p,zero_y-0.5*tics_length);\
1491
  ctx.lineTo(p,zero_y+0.5*tics_length);\
1492
 };\
1493
 for(var p = zero_y ; p < ysize; p = p + y2step){\
1494
  ctx.moveTo(zero_x-0.5*tics_length,p);\
1495
  ctx.lineTo(zero_x+0.5*tics_length,p);\
1496
 };\
1497
 for(var p = zero_y ; p > 0; p = p - y2step){\
1498
  ctx.moveTo(zero_x-0.5*tics_length,p);\
1499
  ctx.lineTo(zero_x+0.5*tics_length,p);\
1500
 };\
1501
 ctx.stroke();\
1502
 ctx.closePath();\
1503
 ctx.restore();");
1504
}
1505
 
1506
if( use_axis_numbering != -1 ){
1507
fprintf(js_include_file,"\
1508
 ctx.save();\
1509
 ctx.fillColor = axis_color;\
1510
 ctx.strokeStyle = axis_color;\
1511
 ctx.lineWidth = 2*line_width;\
1512
 ctx.font = font_family;\
1513
 var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
1514
 if( x_strings[use_axis_numbering] != null ){\
1515
  var str = x_strings[use_axis_numbering];\
1516
  var len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
1517
  ctx.beginPath();\
1518
  if( x_strings_up[use_axis_numbering] == null){\
1519
   for(var p = 0 ; p < len ; p = p+2){\
1520
    var x_nums = x2px(eval(str[p]));\
1521
    var x_text = str[p+1];\
1522
    corr = ctx.measureText(x_text).width;\
1523
    skip = 1.2*corr/xstep;\
1524
    if( zero_y+2*font_size > ysize ){shift = ysize - 2*font_size;};\
1525
    if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;};};\
1526
    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
1527
    ctx.moveTo(x_nums,zero_y - tics_length);\
1528
    ctx.lineTo(x_nums,zero_y + tics_length);\
1529
   };\
16844 bpr 1530
  } else {\
15111 schaersvoo 1531
   for(var p = 0 ; p < len ; p = p+2){\
1532
    var x_nums = x2px(eval(str[p]));\
1533
    var x_text = str[p+1];\
1534
    corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
1535
    if( corr > ysize ){corr = ysize;};\
1536
    ctx.save();\
1537
    ctx.translate(x_nums+0.25*font_size, corr);\
1538
    ctx.rotate(-1.5708);\
1539
    ctx.fillText(x_text,0,0);\
1540
    ctx.restore();\
1541
    ctx.moveTo(x_nums,zero_y - tics_length);\
1542
    ctx.lineTo(x_nums,zero_y + tics_length);\
1543
   };\
1544
  };\
1545
  ctx.closePath();\
16844 bpr 1546
 } else {\
15111 schaersvoo 1547
  skip = 1;cnt = px2x(zero_x);\
1548
  prec = Math.log(precision)/(Math.log(10));\
1549
  var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
1550
  for( var p = zero_x ; p < xsize ; p = p+xstep){\
1551
   if(skip == 0 ){\
1552
    disp_cnt = cnt.toFixed(prec);\
1553
    corr = ctx.measureText(disp_cnt).width;\
1554
    skip = parseInt(1.2*corr/xstep);\
1555
    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
16844 bpr 1556
   } else {\
15111 schaersvoo 1557
    skip--;\
1558
   };\
1559
   cnt = cnt + xmajor;\
1560
  };\
1561
  cnt = px2x(zero_x);skip = 1;\
1562
  for( var p = zero_x ; p > 0 ; p = p-xstep){\
1563
   if(skip == 0 ){\
1564
    disp_cnt = cnt.toFixed(prec);\
1565
    corr = ctx.measureText(disp_cnt).width;\
1566
    skip = parseInt(1.2*corr/xstep);\
1567
    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
16844 bpr 1568
   } else {\
15111 schaersvoo 1569
    skip--;\
1570
   };\
1571
   cnt = cnt - xmajor;\
1572
  };\
1573
 };\
1574
 if( y_strings != null ){\
1575
  var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired:  text missing ! \");return;};\
1576
  ctx.beginPath();\
1577
  for(var p = 0 ; p < len ; p = p+2){\
1578
   var y_nums = y2px(eval(y_strings[p]));\
1579
   var y_text = y_strings[p+1];\
1580
   corr = 2 + tics_length + ctx.measureText(y_text).width;\
1581
   if( corr > zero_x){corr = parseInt(zero_x+2); }\
1582
   ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
1583
   ctx.moveTo(zero_x - tics_length,y_nums);\
1584
   ctx.lineTo(zero_x + tics_length,y_nums);\
1585
  };\
1586
  ctx.closePath();\
16844 bpr 1587
 } else {\
15111 schaersvoo 1588
  if(f_x == 1){ corr = 1.5*tics_length; }\
1589
  cnt = px2y(zero_y);skip = 1;\
1590
  for( var p = zero_y ; p < ysize ; p = p+ystep){\
1591
   if(skip == 0 ){\
1592
    skip = parseInt(1.4*font_size/ystep);\
1593
    disp_cnt = cnt.toFixed(prec);\
1594
    if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
1595
    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
16844 bpr 1596
   } else {\
15111 schaersvoo 1597
    skip--;\
1598
   };\
1599
   cnt = cnt - ymajor;\
1600
  };\
1601
  corr = 0;cnt = px2y(zero_y);skip = 1;\
1602
  if(f_x == 1){ corr = 1.5*tics_length; }\
1603
  for( var p = zero_y ; p > 0 ; p = p-ystep){\
1604
   if(skip == 0 ){\
1605
    skip = parseInt(1.4*font_size/ystep);\
1606
    disp_cnt = cnt.toFixed(prec);\
1607
    if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
1608
    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
16844 bpr 1609
   } else {\
15111 schaersvoo 1610
    skip--;\
1611
   };\
1612
   cnt = cnt + ymajor;\
1613
  };\
1614
 };\
1615
 ctx.stroke();\
1616
 ctx.restore();");
1617
}
1618
 
1619
if( legend_cnt != -1 ){
1620
fprintf(js_include_file,"ctx.save();\
1621
 ctx.globalAlpha = 1.0;\
15313 schaersvoo 1622
 ctx.font = \"bold \"+font_size+\"px Arial\";\
15111 schaersvoo 1623
 var y_offset = 2*font_size;\
1624
 var txt;var txt_size;\
1625
 var x_offset = xsize - 2*font_size;\
1626
 var l_length = legend0.length;\
1627
 if( typeof(legendcolors0) !== 'undefined' ){\
1628
  for(var p = 0 ; p < l_length ; p++){\
1629
    barcolor[p] = legendcolors0[p];\
1630
  };\
16844 bpr 1631
 } else {\
15111 schaersvoo 1632
  if( barcolor.length == 0 ){\
1633
   for(var p = 0 ; p < l_length ; p++){\
1634
    barcolor[p] = stroke_color;\
1635
   };\
1636
  };\
1637
 };\
1638
 for(var p = 0; p < l_length; p++){\
1639
  ctx.fillStyle = barcolor[p];\
1640
  txt = legend0[p];\
1641
  txt_size = ctx.measureText(txt).width;\
1642
  ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
1643
  y_offset = parseInt(y_offset + 1.5*font_size);\
1644
 };\
1645
 ctx.restore();");
1646
}
1647
 
1648
if( barchart_cnt != 0 ){
1649
fprintf(js_include_file,"ctx.save();\
1650
 var num_barcharts = 0;\
1651
 var bar_name = eval('barchart_0');\
1652
 while( typeof(bar_name) !== 'undefined' ){\
1653
    try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
1654
 };\
1655
 var bar_width = parseInt(0.8*x2step/(num_barcharts));\
1656
 for(var i=0 ; i< num_barcharts ; i++){\
1657
  bar_name = eval('barchart_'+i);\
1658
  var bar_x = new Array();\
1659
  var bar_y = new Array();\
1660
  var lb = bar_name.length;\
1661
  var idx = 0;\
1662
  var dx = parseInt(0.5*i*bar_width);\
1663
  for( var p = 0 ; p < lb ; p = p + 3 ){\
1664
   bar_x[idx] = x2px(bar_name[p]);\
1665
   bar_y[idx] = y2px(bar_name[p+1]);\
1666
   barcolor[idx] = bar_name[p+2];\
1667
   idx++;\
1668
  };\
1669
  ctx.globalAlpha = fill_opacity;\
1670
  for( var p = 0; p < idx ; p++ ){\
1671
   ctx.beginPath();\
1672
   ctx.strokeStyle = barcolor[p];\
1673
   ctx.fillStyle = barcolor[p];\
1674
   ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
1675
   ctx.fill();\
1676
   ctx.stroke();\
1677
   ctx.closePath();\
1678
  };\
1679
 };\
1680
 ctx.restore();");
1681
}
1682
 
1683
if( linegraph_cnt != 0 ){
1684
fprintf(js_include_file,"ctx.save();\
1685
 ctx.globalAlpha = 1.0;\
1686
 var i = 0;\
1687
 var line_name = eval('linegraph_'+i);\
1688
 while ( typeof(line_name) !== 'undefined' ){\
1689
  ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
1690
  ctx.lineWidth = parseInt(line_name[1]);\
1691
  if(line_name[2] == \"1\"){\
1692
   var d1 = parseInt(line_name[3]);\
1693
   var d2 = parseInt(line_name[4]);\
1694
   if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
16844 bpr 1695
  } else {\
15111 schaersvoo 1696
  if(ctx.setLineDash){ctx.setLineDash = null;};if(ctx.mozDash){ctx.mozDash = null;}\
1697
  };\
1698
  var data_x = new Array();var data_y = new Array();\
1699
  var lb = line_name.length;var idx = 0;\
1700
  for( var p = 5 ; p < lb ; p = p + 2 ){\
1701
   data_x[idx] = x2px(line_name[p]);\
1702
   data_y[idx] = y2px(line_name[p+1]);\
1703
   idx++;\
1704
  };\
1705
  for( var p = 0; p < idx ; p++){\
1706
   ctx.beginPath();\
1707
   ctx.moveTo(data_x[p],data_y[p]);\
1708
   ctx.lineTo(data_x[p+1],data_y[p+1]);\
1709
   ctx.stroke();\
1710
   ctx.closePath();\
1711
  };\
1712
  i++;\
1713
  try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
1714
 };\
1715
 ctx.restore();return;");
1716
}
1717
fprintf(js_include_file,"};");
1718
 
1719
break;
1720
 
1721
case DRAW_PIECHART:
1722
fprintf(js_include_file,"\n/* draw piecharts */\
1723
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1724
function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family,use_filled,use_offset){\
1725
 var obj;\
1726
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
1727
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 1728
 } else {\
15111 schaersvoo 1729
  obj = create_canvas%d(canvas_type,xsize,ysize);\
1730
 };\
1731
 var center_text = use_offset || 0;\
1732
 var ld = data_color_list.length;\
1733
 var sum = 0;\
1734
 var idx = 0;\
1735
 var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
1736
 var colors = new Array();\
1737
 var data = new Array();\
1738
 for(var p = 0;p < ld; p = p + 2){\
1739
  data[idx] = parseFloat(data_color_list[p]);\
1740
  sum = sum + data[idx];\
1741
  colors[idx] = data_color_list[p+1];\
1742
  idx++;\
1743
 };\
1744
 if( use_filled > 1 ){\
1745
  var i = 2;\
1746
  for(var p = 0 ;  p < idx ; p++){\
1747
   if(i > 5 ){ i = 2; };\
1748
   var pat = create_Pattern(0,0,i,colors[p]); all_fill_patterns[p] = pat;i++;\
1749
  };\
1750
 };\
1751
 var ctx = obj.getContext(\"2d\");\
1752
 ctx.save();\
1753
 var angle;\
1754
 var angle_end = 0;\
1755
 var offset = Math.PI / 2;\
1756
 ctx.globalAlpha = fill_opacity;\
1757
 var angles = [];\
1758
 for(var p=0; p < idx; p++){\
1759
  ctx.beginPath();\
1760
  ctx.moveTo(x_center,y_center);\
1761
  angle = Math.PI * (2 * data[p] / sum);\
1762
  ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
1763
  ctx.lineTo(x_center, y_center);\
1764
  if( use_filled > 1 ){ ctx.fillStyle = all_fill_patterns[p]; }else{ ctx.fillStyle = colors[p];};\
1765
  ctx.fill();\
1766
  ctx.closePath();\
1767
  angles.push(angle_end + angle - offset);\
1768
  angle_end  = angle_end + angle;\
1769
 };\
1770
 if(typeof(legend0) !== 'undefined'){\
1771
  var legenda = eval(\"legend\"+legend_cnt);\
1772
  ctx.globalAlpha = 1.0;\
1773
  ctx.font = font_family;\
1774
  var y_offset = font_size;\
1775
  var x_offset = 0;\
1776
  var txt;var txt_size;\
1777
  for(var p = 0; p < idx; p++){\
1778
   ctx.fillStyle = colors[p];\
1779
   txt = legenda[p];\
1780
   txt_size = ctx.measureText(txt).width + 2;\
1781
   if(center_text == 4){\
1782
    ctx.save();\
1783
    ctx.translate(x_center, y_center);\
1784
    ctx.rotate(angles[p]);\
1785
    ctx.fillText(txt,radius-txt_size,0);\
1786
    ctx.restore();\
16844 bpr 1787
   } else {\
15111 schaersvoo 1788
    if( x_center + radius + txt_size > xsize ){ x_offset =  x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
1789
    ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
1790
    y_offset = parseInt(y_offset + 1.5*font_size);\
1791
   };\
1792
  };\
1793
 };\
1794
 ctx.restore();\
1795
};",canvas_root_id,canvas_root_id,canvas_root_id);
1796
break;
1797
 
1798
case DRAW_JSBOXPLOT:
1799
fprintf(js_include_file,"\n/* draw jsboxplots */\
1800
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1801
function statistics(data){\
1802
 var len = data.length;\
1803
 var min = 10000000;\
1804
 var max = -10000000;\
1805
 var sum = 0;var d;\
1806
 for(var i=0;i<len;i++){\
1807
  d = data[i];\
1808
  if(d < min){min = d;}else{if(d > max){max = d;};};\
1809
  sum+= parseFloat(data[i]);\
1810
 };\
1811
 var mean = parseFloat(sum/len);\
1812
 var variance = 0;\
1813
 for(var i=0;i<len;i++){\
1814
  d = data[i];\
1815
  variance += (d - mean)*(d - mean);\
1816
 };\
1817
 variance = parseFloat(variance / len);\
1818
 var std = Math.sqrt(variance);\
1819
 data.sort(function(a,b){return a - b;});\
1820
 var median;var Q1;var Q3;\
1821
 var half = Math.floor(0.5*len);\
1822
 var q1 = Math.floor(0.25*len);\
1823
 var q3 = Math.floor(0.75*len);\
1824
 var half = Math.floor(0.5*len);\
1825
 if(len %%2 == 1){\
1826
  median = data[half];\
1827
  Q1 = data[q1];\
1828
  Q3 = data[q3];\
16844 bpr 1829
 } else {\
15111 schaersvoo 1830
  median = (data[half - 1] + data[half] )/2;\
1831
  Q1 = (data[q1 - 1] + data[q1] )/2;\
1832
  Q3 = (data[q3 - 1] + data[q3] )/2;\
1833
 };\
1834
 return [min,Q1,median,Q3,max];\
1835
};");
1836
break;
1837
 
1838
case DRAW_BOXPLOT:
1839
fprintf(js_include_file,"\n/* draw boxplots */\
1840
if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
1841
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){\
1842
 var obj;\
1843
 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);};\
1844
 var ctx = obj.getContext(\"2d\");\
1845
 ctx.clearRect(0,0,xsize,ysize);\
1846
 ctx.save();\
1847
 ctx.lineWidth = line_width;\
1848
 ctx.strokeStyle =  \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1849
 var colors = new Array(2);\
1850
 colors[0] = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
1851
 colors[1] = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1852
 if( use_filled > 1 ){\
1853
   var pat = create_Pattern(0,0,3,colors[0]);\
1854
   all_fill_patterns[0] = pat;\
1855
   pat = create_Pattern(0,0,4,colors[1]);\
1856
   all_fill_patterns[1] = pat;\
1857
 };\
1858
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
1859
 var hh = 0.25*hw;\
1860
 switch(boxplot_source){\
1861
  case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
1862
  case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
1863
  case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
1864
  default: break;\
1865
 };\
1866
 var min,Q1,median,Q3,max;\
1867
 if(xy == 1 ){\
1868
  min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
1869
  hh = Math.abs(y2px(hh) - y2px(ystart));\
1870
  hw = Math.abs(y2px(hw) - y2px(ystart));\
1871
  cxy = y2px(cxy);\
1872
  ctx.beginPath();\
1873
  ctx.moveTo(min,cxy);\
1874
  ctx.lineTo(Q1,cxy);\
1875
  ctx.moveTo(Q3,cxy);\
1876
  ctx.lineTo(max,cxy);\
1877
  ctx.moveTo(min,cxy+hh);\
1878
  ctx.lineTo(min,cxy-hh);\
1879
  ctx.moveTo(max,cxy+hh);\
1880
  ctx.lineTo(max,cxy-hh);\
1881
  ctx.closePath();\
1882
  ctx.stroke();\
1883
  ctx.beginPath();\
1884
  ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
1885
  ctx.closePath();\
1886
  if( use_filled != 0 ){\
1887
   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
1888
   ctx.fill();\
1889
  };\
1890
  ctx.stroke();\
1891
  ctx.beginPath();\
1892
  ctx.rect(median,cxy-2*hh,Q3-median,hw);\
1893
  ctx.closePath();\
1894
  if( use_filled != 0 ){\
1895
   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
1896
   ctx.fill();\
1897
  };\
1898
  ctx.stroke();\
1899
 }else{\
1900
  min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
1901
  hh = Math.abs(x2px(hh) - x2px(xstart));\
1902
  hw = Math.abs(x2px(hw) - x2px(xstart));\
1903
  cxy = x2px(cxy);\
1904
  ctx.beginPath();\
1905
  ctx.moveTo(cxy,min);\
1906
  ctx.lineTo(cxy,Q1);\
1907
  ctx.moveTo(cxy,Q3);\
1908
  ctx.lineTo(cxy,max);\
1909
  ctx.moveTo(cxy + hh,min);\
1910
  ctx.lineTo(cxy - hh,min);\
1911
  ctx.moveTo(cxy + hh,max);\
1912
  ctx.lineTo(cxy - hh,max);\
1913
  ctx.closePath;\
1914
  ctx.stroke();\
1915
  ctx.beginPath();\
1916
  ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
1917
  ctx.closePath();\
1918
  if( use_filled != 0 ){\
1919
   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
1920
   ctx.fill();\
1921
  };\
1922
  ctx.stroke();\
1923
  ctx.beginPath();\
1924
  ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
1925
  ctx.closePath();\
1926
  if( use_filled != 0 ){\
1927
   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
1928
   ctx.fill();\
1929
  };\
1930
  ctx.stroke();\
1931
 };\
1932
 ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
1933
break;
1934
 
1935
case DRAW_CENTERSTRING:
1936
fprintf(js_include_file,"\n/* draw centerstring */\
1937
var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
1938
 var obj;\
1939
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
1940
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 1941
 } else {\
15111 schaersvoo 1942
  obj = create_canvas%d(canvas_type,xsize,ysize);\
1943
 };\
1944
 var ctx = obj.getContext(\"2d\");\
1945
 ctx.save();\
1946
 ctx.clearRect(0,0,xsize,ysize);\
1947
 ctx.font = font_family;\
1948
 ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1949
 var stringwidth = ctx.measureText(text).width;\
1950
 var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
1951
 ctx.fillText(text,x,y2px(y));\
1952
 ctx.restore();\
1953
return;\
1954
};",canvas_root_id,canvas_root_id,canvas_root_id);
1955
break;
1956
 
1957
case DRAW_TEXTS:
1958
fprintf(js_include_file,"\n/* draw text */\
1959
var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_offset){\
1960
 var obj;\
1961
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
1962
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 1963
 } else {\
15111 schaersvoo 1964
  obj = create_canvas%d(canvas_type,xsize,ysize);\
1965
 };\
1966
 var ctx = obj.getContext(\"2d\");\
1967
 if( font_family != 'null' ){\
1968
  ctx.font = font_family;\
16844 bpr 1969
 } else {\
15313 schaersvoo 1970
  ctx.font = font_size+'px Arial';\
15111 schaersvoo 1971
 };\
1972
 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;};};\
1973
 if(angle2 == 0 && angle != 0){\
1974
  ctx.save();\
1975
  if(use_rotate == 1 ){\
1976
  ctx.rotate(angle*Math.PI/180);};\
1977
  ctx.restore();\
1978
 };\
1979
 ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
1980
 if(angle2 != 0){\
1981
  ctx.save();\
1982
  ctx.translate(x,y);\
1983
  ctx.rotate((360-angle2)*(Math.PI / 180));\
1984
  ctx.fillText(text,0,0);\
1985
  ctx.restore();\
16844 bpr 1986
 } else {\
15111 schaersvoo 1987
  ctx.fillText(text,x,y);\
1988
 };\
1989
 return;\
1990
};",canvas_root_id,canvas_root_id,canvas_root_id);
1991
break;
1992
 
1993
case DRAW_INPUTS:
1994
/* function center_input may be used for other centering...if not? integrate it in draw_static_inputs...*/
1995
fprintf(js_include_file,"\n/* draw static input fields */\
1996
if(typeof(input_cnt) !== 'undefined' ){var input_cnt = 0;};\
1997
var draw_static_inputs = function(root_id,num,x,y,size,readonly,css_class,value,use_offset){\
1998
var input = document.createElement(\"input\");\
1999
input.setAttribute(\"id\",\"canvas_input\"+num);\
2000
input.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+x+\"px;top:\"+y+\"px;\");\
2001
if(css_class != \"none\"){input.setAttribute(\"class\",css_class);};\
2002
input.setAttribute(\"size\",size);\
2003
input.setAttribute(\"value\",value);\
2004
input.addEventListener(\"touchstart\", function(e){this.focus();},false);\
2005
if( readonly == 0 || wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
2006
canvas_div.appendChild(input);\
2007
if(use_offset != 0 ){ center_input('canvas_input'+num,x,y,css_class);};\
2008
input_cnt++;\
2009
};\
2010
function center_input(id,x,y,css_class){\
2011
 var inp = document.getElementById(id);\
2012
 var pos = inp.getBoundingClientRect();\
2013
 var center_x = parseInt(x - 0.5*(pos.width));\
2014
 var center_y = parseInt(y - 0.5*(pos.height));\
2015
 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;\");}\
2016
 catch(e){console.log('error :'+e);return;};\
2017
};");
2018
break;
2019
 
2020
case DRAW_TEXTAREAS:
2021
fprintf(js_include_file,"\n/* draw text area inputfields */\
2022
var draw_textareas = function(root_id,num,x,y,cols,rows,readonly,style,value){\
2023
var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
2024
var textarea = document.createElement(\"textarea\");\
2025
textarea.setAttribute(\"id\",\"canvas_input\"+num);\
2026
textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
2027
textarea.setAttribute(\"cols\",cols);\
2028
textarea.setAttribute(\"rows\",rows);\
2029
textarea.value = value;\
2030
if( readonly == 0 || wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
2031
canvas_div.appendChild(textarea);};");
2032
break;
2033
 
2034
case DRAW_PIXELS:
2035
fprintf(js_include_file,"\n/* draw pixel */\
2036
var draw_setpixel = function(x,y,color,opacity,pixelsize){\
2037
 var idx = 2000+Math.ceil(1000*(Math.random()));\
2038
 var canvas = create_canvas%d(idx,xsize,ysize);\
2039
 var d = 0.5*pixelsize;\
2040
 var ctx = canvas.getContext(\"2d\");\
2041
 if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
2042
 ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
2043
 ctx.clearRect(0,0,xsize,ysize);\
2044
 for(var p=0; p<x.length;p++){\
2045
  ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
2046
 };\
2047
 ctx.fill();ctx.stroke();\
2048
};",canvas_root_id);
2049
break;
2050
 
2051
case DRAW_CLOCK:
2052
fprintf(js_include_file,"\n/* command clock */\
2053
var clock_canvas = create_canvas%d(%d,xsize,ysize);\
2054
var clock_ctx = clock_canvas.getContext(\"2d\");\
2055
var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
2056
 clock_ctx.clearRect(xc - radius,yc - radius,2*radius,2*radius);\
2057
 clock_ctx.save();\
2058
 clock_ctx.globalAlpha = clock_bg_opacity;\
2059
 this.type = type || 0;\
2060
 this.interaction = interaction || 0;\
2061
 this.H = H;\
2062
 this.M = M;\
2063
 this.S = S;\
2064
 this.xc = xc || xsize/2;\
2065
 this.yc = yc || ysize/2;\
2066
 this.radius = radius || xsize/4;\
2067
 var font_size = parseInt(0.2*this.radius);\
2068
 this.H_color = h_color || \"black\";\
2069
 this.M_color = m_color || \"black\";\
2070
 this.S_color = s_color || \"black\";\
2071
 this.fg_color = fg_color || \"black\";\
2072
 this.bg_color = bg_color || \"white\";\
2073
 clock_ctx.translate(this.xc,this.yc);\
2074
 clock_ctx.beginPath();\
2075
 clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
2076
 clock_ctx.fillStyle = this.bg_color;\
2077
 clock_ctx.fill();\
2078
 clock_ctx.closePath();\
2079
 clock_ctx.beginPath();\
2080
 clock_ctx.font = font_size+\"px Arial\";\
2081
 clock_ctx.fillStyle = this.fg_color;\
2082
 clock_ctx.textAlign = \"center\";\
2083
 clock_ctx.textBaseline = 'middle';\
2084
 var angle;var x1,y1,x2,y2;\
2085
 var angle_cos;var angle_sin;\
2086
 clock_ctx.globalAlpha = clock_fg_opacity;\
2087
 switch(type){\
2088
 case 0:clock_ctx.beginPath();\
2089
 for(var p = 1; p <= 12 ; p++){\
2090
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
2091
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
2092
  x1 = 0.8*angle_cos;y1 = 0.8*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2093
  clock_ctx.moveTo(x1,y1);\
2094
  clock_ctx.lineTo(x2,y2);\
2095
 };\
2096
 for(var p = 1; p <= 60 ; p++){\
2097
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
2098
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
2099
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2100
  clock_ctx.moveTo(x1,y1);\
2101
  clock_ctx.lineTo(x2,y2);\
2102
 };\
2103
 clock_ctx.closePath();\
2104
 clock_ctx.stroke();\
2105
 break;\
2106
 case 1:\
2107
 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;\
2108
 case 2:\
2109
 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);};\
2110
 clock_ctx.beginPath();\
2111
 for(var p = 1; p <= 12 ; p++){\
2112
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
2113
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
2114
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2115
  clock_ctx.moveTo(x1,y1);\
2116
  clock_ctx.lineTo(x2,y2);\
2117
 };\
2118
 for(var p = 1; p <= 60 ; p++){\
2119
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
2120
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
2121
  x1 = 0.95*angle_cos;y1 = 0.95*angle_sin;x2 = angle_cos;y2 = angle_sin;\
2122
  clock_ctx.moveTo(x1,y1);\
2123
  clock_ctx.lineTo(x2,y2);\
2124
 };\
2125
 clock_ctx.closePath();\
2126
 clock_ctx.stroke();\
2127
 break;\
2128
 };\
2129
 angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
2130
 clock_ctx.rotate(angle);\
2131
 clock_ctx.beginPath();\
2132
 clock_ctx.moveTo(-3, -2);\
2133
 clock_ctx.lineTo(-3, 2);\
2134
 clock_ctx.lineTo(this.radius * 0.6, 1);\
2135
 clock_ctx.lineTo(this.radius  * 0.6, -1);\
2136
 clock_ctx.fillStyle = this.H_color;\
2137
 clock_ctx.fill();\
2138
 clock_ctx.rotate(-angle);\
2139
 angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
2140
 clock_ctx.rotate(angle);\
2141
 clock_ctx.beginPath();\
2142
 clock_ctx.moveTo(-3, -2);\
2143
 clock_ctx.lineTo(-3, 2);\
2144
 clock_ctx.lineTo(this.radius  * 0.8, 1);\
2145
 clock_ctx.lineTo(this.radius  * 0.8, -1);\
2146
 clock_ctx.fillStyle = this.M_color;\
2147
 clock_ctx.fill();\
2148
 clock_ctx.rotate(-angle);\
2149
 angle = (this.S - 15) * 2 * Math.PI / 60;\
2150
 clock_ctx.rotate(angle);\
2151
 clock_ctx.beginPath();\
2152
 clock_ctx.moveTo(0,0);\
2153
 clock_ctx.lineTo(this.radius  * 0.9, 1);\
2154
 clock_ctx.lineTo(this.radius  * 0.9, -1);\
2155
 clock_ctx.strokeStyle = this.S_color;\
2156
 clock_ctx.stroke();\
2157
 clock_ctx.restore();\
2158
};",canvas_root_id,CLOCK_CANVAS);
2159
break;
2160
 
2161
case DRAW_LATTICE:
2162
fprintf(js_include_file,"\n/* draw lattice */\
2163
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){\
2164
 var obj;\
2165
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2166
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 2167
 } else {\
15111 schaersvoo 2168
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2169
 };\
2170
 var ctx = obj.getContext(\"2d\");\
2171
 ctx.save();\
2172
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
2173
 var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
2174
 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;};\
2175
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
2176
 var radius = line_width;\
2177
 var x = 0;\
2178
 var y = 0;\
2179
 var x_step_px = xsize/(xmax-xmin);\
2180
 var y_step_px = ysize/(ymax-ymin);\
2181
 var xv1 = dx1*x_step_px;\
2182
 var yv1 = dy1*y_step_px;\
2183
 var xv2 = dx2*x_step_px;\
2184
 var yv2 = dy2*y_step_px;\
2185
 for(var p = 0; p < n1 ;p++){\
2186
  x = p*xv1 + x0;\
2187
  y = p*yv1 + y0;\
2188
  for(var c = 0; c < n2 ; c++){\
2189
   ctx.beginPath();\
2190
   ctx.arc(x+c*xv2,y+c*yv2,radius,0,2*Math.PI,false);\
2191
   ctx.fill();\
2192
   ctx.stroke();\
2193
   ctx.closePath();\
2194
  };\
2195
 };\
2196
 ctx.restore();\
2197
 return;\
2198
};",canvas_root_id,canvas_root_id,canvas_root_id);
2199
break;
2200
 
2201
case DRAW_XYLOGSCALE:
2202
fprintf(js_include_file,"\n/* draw xylogscale */\
2203
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){\
2204
 var obj;\
2205
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2206
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 2207
 } else {\
15111 schaersvoo 2208
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2209
 };\
2210
 var ctx = obj.getContext(\"2d\");\
2211
 ctx.clearRect(0,0,xsize,ysize);\
2212
 ctx.save();\
2213
 var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
2214
 var x_min = Math.log(xmin)/Math.log(xlogbase);\
2215
 var x_max = Math.log(xmax)/Math.log(xlogbase);\
2216
 var y_min = Math.log(ymin)/Math.log(ylogbase);\
2217
 var y_max = Math.log(ymax)/Math.log(ylogbase);\
2218
 if(use_axis_numbering != -1){\
2219
  ctx.font = font_family;\
2220
  xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
2221
  ymarge = parseInt(1.5*font_size);\
2222
  ctx.save();\
2223
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2224
  ctx.rect(0,0,xmarge,ysize);\
2225
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2226
  ctx.fill();\
2227
  ctx.restore();\
2228
 }else{xmarge = 0;ymarge = 0;};\
2229
 if( typeof(xaxislabel) !== 'undefined' ){\
2230
  ctx.save();\
15313 schaersvoo 2231
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2232
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2233
  corr =  ctx.measureText(xaxislabel).width;\
2234
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2235
  ctx.restore();\
2236
 };\
2237
 if( typeof(yaxislabel) !== 'undefined' ){\
2238
  ctx.save();\
15313 schaersvoo 2239
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2240
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2241
  corr = ctx.measureText(yaxislabel).width;\
2242
  ctx.translate(xmarge+font_size,corr+font_size);\
2243
  ctx.rotate(-0.5*Math.PI);\
2244
  ctx.fillText(yaxislabel,0,0);\
2245
  ctx.restore();\
2246
 };\
2247
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2248
 ctx.lineWidth = line_width;\
2249
 for(var p = x_min; p <= x_max ; p++){\
2250
  num = Math.pow(xlogbase,p);\
2251
  for(var i = 1 ; i < xlogbase ; i++){\
2252
   x_e = x2px(i*num);\
2253
   if( i == 1 ){\
2254
    ctx.lineWidth = line_width;\
2255
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2256
    if( use_axis_numbering != -1 && p > x_min){\
2257
      xtxt = xlogbase+'^'+p.toFixed(0);\
2258
      corr = 0.5*(ctx.measureText(xtxt).width);\
2259
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
2260
    };\
2261
   }else{\
2262
    ctx.lineWidth = 0.2*line_width;\
2263
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2264
   };\
2265
   if( x_e >= xmarge ){\
2266
    ctx.beginPath();\
2267
    ctx.moveTo(x_e,0);\
2268
    ctx.lineTo(x_e,ysize - ymarge);\
2269
    ctx.stroke();\
2270
    ctx.closePath();\
2271
   };\
2272
  };\
2273
 };\
2274
 for(var p = y_min; p <= y_max ; p++){\
2275
  num = Math.pow(ylogbase,p);\
2276
  for(var i = 1 ; i < ylogbase ; i++){\
2277
   y_e = y2px(i*num);\
2278
   if( i == 1 ){\
2279
    ctx.lineWidth = line_width;\
2280
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2281
    if( use_axis_numbering != -1 && p > y_min){\
2282
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
2283
    };\
2284
   }else{\
2285
    ctx.lineWidth = 0.2*line_width;\
2286
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2287
   };\
2288
   ctx.beginPath();\
2289
   ctx.moveTo(xmarge,y_e);\
2290
   ctx.lineTo(xsize,y_e);\
2291
   ctx.stroke();\
2292
   ctx.closePath();\
2293
  };\
2294
 };\
2295
 ctx.restore();\
2296
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2297
break;
2298
 
2299
case DRAW_XLOGSCALE:
2300
fprintf(js_include_file,"\n/* draw xlogscale */\
2301
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){\
2302
 var obj;\
2303
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2304
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 2305
 } else {\
15111 schaersvoo 2306
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2307
 };\
2308
 var ctx = obj.getContext(\"2d\");\
2309
 ctx.clearRect(0,0,xsize,ysize);\
2310
 ctx.save();\
2311
 ctx.lineWidth = line_width;\
2312
 var prec = Math.log(precision)/Math.log(10);\
2313
 var x_min = Math.log(xmin)/Math.log(xlogbase);\
2314
 var x_max = Math.log(xmax)/Math.log(xlogbase);\
2315
 var y_min = 0;var y_max = ysize;var x_e;var corr;\
2316
 var xtxt;var ytxt;var num;var xmarge;var ymarge;\
2317
 if(use_axis_numbering != -1){\
2318
  ctx.font = font_family;\
2319
  xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
2320
  ymarge = parseInt(1.5*font_size);\
2321
  ctx.save();\
2322
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2323
  ctx.rect(0,0,xmarge,ysize);\
2324
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2325
  ctx.fill();\
2326
  ctx.restore();\
2327
 }else{xmarge = 0;ymarge = 0;};\
2328
 if( typeof(xaxislabel) !== 'undefined' ){\
2329
  ctx.save();\
15313 schaersvoo 2330
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2331
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2332
  corr =  ctx.measureText(xaxislabel).width;\
2333
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2334
  ctx.restore();\
2335
 };\
2336
 if( typeof(yaxislabel) !== 'undefined' ){\
2337
  ctx.save();\
15313 schaersvoo 2338
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2339
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2340
  corr = ctx.measureText(yaxislabel).width;\
2341
  ctx.translate(xmarge+font_size,corr+font_size);\
2342
  ctx.rotate(-0.5*Math.PI);\
2343
  ctx.fillText(yaxislabel,0,0);\
2344
  ctx.restore();\
2345
 };\
2346
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2347
 ctx.lineWidth = line_width;\
2348
 for(var p = x_min; p <= x_max ; p++){\
2349
  num = Math.pow(xlogbase,p);\
2350
  for(var i = 1 ; i < xlogbase ; i++){\
2351
   x_e = x2px(i*num);\
2352
   if( i == 1 ){\
2353
     ctx.lineWidth = line_width;\
2354
     ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2355
    if( use_axis_numbering != -1 && p > x_min ){\
2356
      xtxt = xlogbase+'^'+p.toFixed(0);\
2357
      corr = 0.5*(ctx.measureText(xtxt).width);\
2358
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
2359
    };\
2360
   }else{\
2361
    ctx.lineWidth = 0.2*line_width;\
2362
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2363
   };\
2364
   if( x_e >= xmarge ){\
2365
    ctx.beginPath();\
2366
    ctx.moveTo(x_e,0);\
2367
    ctx.lineTo(x_e,ysize - ymarge);\
2368
    ctx.stroke();\
2369
    ctx.closePath();\
2370
   };\
2371
  };\
2372
 };\
2373
 var stepy = Math.abs(y2px(ymajor) - y2px(0));\
2374
 var minor_step = stepy / yminor;\
2375
 for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
2376
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2377
  ctx.lineWidth = line_width;\
2378
  ctx.beginPath();\
2379
  ctx.moveTo(xmarge,y);\
2380
  ctx.lineTo(xsize,y);\
2381
  ctx.stroke();\
2382
  ctx.closePath();\
2383
  if( use_axis_numbering != -1){\
2384
   ytxt = (px2y(y)).toFixed(prec);\
2385
   ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
2386
  };\
2387
  for(var dy = 1 ; dy < yminor ; dy++){\
2388
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2389
   ctx.lineWidth = 0.2*line_width;\
2390
   ctx.beginPath();\
2391
   ctx.moveTo(xmarge,y+dy*minor_step);\
2392
   ctx.lineTo(xsize,y+dy*minor_step);\
2393
   ctx.stroke();\
2394
   ctx.closePath();\
2395
  };\
2396
 };\
2397
 ctx.restore();\
2398
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2399
break;
2400
 
2401
case DRAW_YLOGSCALE:
2402
fprintf(js_include_file,"\n/* draw ylogscale */\
2403
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){\
2404
 var obj;\
2405
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
2406
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
16844 bpr 2407
 } else {\
15111 schaersvoo 2408
  obj = create_canvas%d(canvas_type,xsize,ysize);\
2409
 };\
2410
 var ctx = obj.getContext(\"2d\");\
2411
 ctx.clearRect(0,0,xsize,ysize);\
2412
 ctx.save();\
2413
 ctx.lineWidth = line_width;\
2414
 var y_min = Math.log(ymin)/Math.log(ylogbase);\
2415
 var y_max = Math.log(ymax)/Math.log(ylogbase);\
2416
 var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
2417
 if(use_axis_numbering != -1){\
2418
  ctx.font = font_family;\
2419
  xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
2420
  ymarge = 2*font_size;\
2421
  ctx.save();\
2422
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
2423
  ctx.rect(0,0,xmarge,ysize);\
2424
  ctx.rect(0,ysize-ymarge,xsize,ysize);\
2425
  ctx.fill();\
2426
  ctx.restore();\
2427
 }else{xmarge = 0;ymarge = 0;};\
2428
 if( typeof(xaxislabel) !== 'undefined' ){\
2429
  ctx.save();\
15313 schaersvoo 2430
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2431
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2432
  corr =  ctx.measureText(xaxislabel).width;\
2433
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
2434
  ctx.restore();\
2435
 };\
2436
 if( typeof(yaxislabel) !== 'undefined' ){\
2437
  ctx.save();\
15313 schaersvoo 2438
  ctx.font = \"italic \"+font_size+\"px Arial\";\
15111 schaersvoo 2439
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2440
  corr = ctx.measureText(yaxislabel).width;\
2441
  ctx.translate(xmarge+font_size,corr+font_size);\
2442
  ctx.rotate(-0.5*Math.PI);\
2443
  ctx.fillText(yaxislabel,0,0);\
2444
  ctx.restore();\
2445
 };\
2446
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
2447
 ctx.lineWidth = line_width;\
2448
 for(var p = y_min; p <= y_max ; p++){\
2449
  num = Math.pow(ylogbase,p);\
2450
  for(var i = 1 ; i < ylogbase ; i++){\
2451
   y_e = y2px(i*num);\
2452
   if( i == 1 ){\
2453
    ctx.lineWidth = line_width;\
2454
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2455
    if( use_axis_numbering != -1 && p > y_min){\
2456
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
2457
    };\
2458
   }else{\
2459
    ctx.lineWidth = 0.2*line_width;\
2460
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2461
   };\
2462
   ctx.beginPath();\
2463
   ctx.moveTo(xmarge,y_e);\
2464
   ctx.lineTo(xsize,y_e);\
2465
   ctx.stroke();\
2466
   ctx.closePath();\
2467
  };\
2468
 };\
2469
 var stepx = Math.abs(x2px(xmajor) - x2px(0));\
2470
 var minor_step = stepx / xminor;\
2471
 var prec = Math.log(precision)/Math.log(10);\
2472
 var xtxt;var corr;var flip = 0;\
2473
 for(var x = stepx ; x < xsize ; x = x + stepx){\
2474
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
2475
  ctx.lineWidth = line_width;\
2476
  ctx.beginPath();\
2477
  ctx.moveTo(x,ysize-ymarge);\
2478
  ctx.lineTo(x,0);\
2479
  ctx.stroke();\
2480
  ctx.closePath();\
2481
  if( use_axis_numbering != -1){\
2482
   xtxt = (px2x(x)).toFixed(prec);\
2483
   corr = 0.5*(ctx.measureText(xtxt).width);\
2484
   if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
2485
   flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
2486
  };\
2487
  for(var dx = 1 ; dx < xminor ; dx++){\
2488
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
2489
   ctx.lineWidth = 0.2*line_width;\
2490
   ctx.beginPath();\
2491
   ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
2492
   ctx.lineTo(x+dx*minor_step,0);\
2493
   ctx.stroke();\
2494
   ctx.closePath();\
2495
  };\
2496
 };\
2497
 ctx.restore();\
2498
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
2499
break;
2500
 
2501
case ADD_USER_INPUTS:
2502
fprintf(js_include_file,"\n/* add_input_xy */\
2503
function add_input_xy(){\
2504
if( wims_status == \"done\" ){return;};\
2505
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
2506
var input_xy_div = document.createElement('div');\
2507
input_xy_div.id = \"input_xy_div\";\
2508
tooltip_div.appendChild(input_xy_div);",canvas_root_id);
2509
 
2510
if(strstr(draw_type,"polyline") != NULL || strstr(draw_type,"point") != NULL || strstr(draw_type,"cross") != NULL ){ /* ( input_x : input_y )*/
2511
type=1;
2512
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);
2513
}else{
2514
if(strstr(draw_type,"circle") != NULL ){/* M: (input_x :input_y) R:input_r*/
2515
type=2;
2516
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);
2517
}else{
2518
type=3;
2519
if(strstr(draw_type,"segment") != NULL  ||  strstr(draw_type,"line") != NULL  ||  strstr(draw_type,"arrow") != NULL  ){  /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) */
2520
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);
2521
}else{
2522
type=4;
2523
if(strstr(draw_type,"triang") != NULL ){ /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) --- ( input_x3 : input_y3) */
2524
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);
2525
}else{
2526
type=5;
2527
if(strstr(draw_type,"text") != NULL ){ /*Text: input_r ( input_x1 : input_y1)  */
2528
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);
2529
}else{canvas_error("command 'userinput' or 'userinput_xy' is not supported for your 'userdraw' type...");
2530
}}}}}
2531
 
2532
fprintf(js_include_file,"\
2533
var update_button = document.getElementById(\"update_button\");\
2534
var delete_button = document.getElementById(\"delete_button\");\
2535
update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
2536
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
2537
};add_input_xy();");
2538
 
2539
switch(type){
2540
 case 1:
2541
fprintf(js_include_file,"\n/* add_input_xy */\
2542
function update_me(){\
15529 schaersvoo 2543
 var x = safe_eval(document.getElementById('userinput_x').value);\
2544
 var y = safe_eval(document.getElementById('userinput_y').value);\
15111 schaersvoo 2545
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2546
 return;\
2547
};");break;
2548
 case 2:
2549
fprintf(js_include_file,"\n/* add_input_xy */\
2550
function update_me(){\
15529 schaersvoo 2551
 var x = safe_eval(document.getElementById('userinput_x').value);\
2552
 var y = safe_eval(document.getElementById('userinput_y').value);\
2553
 var r = safe_eval(document.getElementById('userinput_r').value);\
15111 schaersvoo 2554
 r = scale_x_radius(r);\
2555
 userdraw_radius.push(r);userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2556
 return;\
2557
};");break;
2558
 case 3:
2559
fprintf(js_include_file,"\n/* add_input_xy */\
2560
function update_me(){\
2561
 var x,y;\
2562
 for(var p=1; p<3;p++){\
15529 schaersvoo 2563
  x = safe_eval(document.getElementById('userinput_x'+p).value);\
2564
  y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111 schaersvoo 2565
  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2566
 };\
2567
 return;\
2568
};");
2569
 break;
2570
 case 4:
2571
fprintf(js_include_file,"\n/* add_input_xy */\
2572
function update_me(){\
2573
 var x,y;\
2574
 for(var p=1; p<4;p++){\
15529 schaersvoo 2575
  x = safe_eval(document.getElementById('userinput_x'+p).value);\
2576
  y = safe_eval(document.getElementById('userinput_y'+p).value);\
15111 schaersvoo 2577
  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
2578
 };\
2579
 return;\
2580
};");
2581
 break;
2582
 case 5:
2583
 /* a inputfield with 'id=userdraw_text_abc' is provided by command 'userdraw text,color'*/
2584
fprintf(js_include_file,"\n/* add_input_xy */\
2585
function update_me(){\
15529 schaersvoo 2586
 var x = safe_eval(document.getElementById('userinput_x').value);\
2587
 var y = safe_eval(document.getElementById('userinput_y').value);\
15111 schaersvoo 2588
 var txt = conv_to_unicode(document.getElementById('userdraw_text_abc').value);\
2589
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));userdraw_text.push(txt.replace(/\\\\/g,' '));\
2590
 return;\
2591
};");
2592
 break;
2593
 default: canvas_error("hmmm, I've no idea...");break;
2594
}
2595
 
2596
break;
2597
 
2598
default:break;
2599
   }
2600
  }
2601
 }
2602
  return;
2603
}