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Rev Author Line No. Line
8225 bpr 1
#include "canvasdraw.h"
2
 
15111 schaersvoo 3
void add_js_zoom_buttons(char *stroke_color,double stroke_opacity){
4
fprintf(js_include_file,"\n/* draw zoom buttons */\
8448 schaersvoo 5
var draw_zoom_buttons = function(){\
6
 var obj;var canvas_type =%d;\
7
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
8
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
9
 }\
10
 else\
11
 {\
12
  obj = create_canvas%d(canvas_type,xsize,ysize);\
13
 };\
14
 var ctx = obj.getContext(\"2d\");\
15313 schaersvoo 15
 ctx.font =\"20px Arial\";\
8448 schaersvoo 16
 ctx.textAlign = \"right\";\
9406 schaersvoo 17
 ctx.fillStyle=\"rgba(%s,%f)\";\
8448 schaersvoo 18
 ctx.fillText(\"+\",xsize,ysize);\
15111 schaersvoo 19
 ctx.fillText(\"\\u2212\",xsize - 15,ysize-2);\
8448 schaersvoo 20
 ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
21
 ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
22
 ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
23
 ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
11002 schaersvoo 24
 ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
8448 schaersvoo 25
 ctx.stroke();\
15111 schaersvoo 26
};draw_zoom_buttons();",BG_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id,stroke_color,stroke_opacity);
8448 schaersvoo 27
}
28
 
15111 schaersvoo 29
void add_js_popup(char *getfile_cmd){
14094 schaersvoo 30
fprintf(stdout,"\n<!-- begin command popup %d -->\n\
9329 schaersvoo 31
<script type=\"text/javascript\">\n\
14038 schaersvoo 32
if( wims_status != 'done'){\
33
 var popup = window.open('','','toolbar=no,scrollbars=yes,menubar=no,location=no,resizable=yes,top=4,left=4,status=no, width = %dpx, height = %dpx');\
34
 var popupHTML =\"<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>\\n<html><head></head>\\n<body><div style='width:%dpx;height:%dpx;position:relative' id='canvas_div%d'></div><div id='tooltip_placeholder_div%d' style='display:block;position:relative;margin-left:auto;margin-right:auto;margin-bottom:4px;'><span id='tooltip_placeholder%d' style='display:none;'></span></div></body></html>\";\
35
 popup.document.write(popupHTML);\
36
 var s0 = popup.document.createElement(\"script\");\
37
 s0.text=\"var wims_status = window.opener.wims_status; var use_dragdrop_reply = window.opener.use_dragdrop_reply;window.opener.canvas_scripts.push('%d');\";\
38
 popup.document.getElementsByTagName(\"HEAD\")[0].appendChild(s0);\
39
 var s1 = popup.document.createElement(\"script\");\
40
 s1.type = \"text/javascript\";\
41
 s1.src = \"%s\";\
42
 popup.document.getElementsByTagName(\"HEAD\")[0].appendChild(s1);\
43
 popup.document.close();\
44
 }else{\
45
 var canvas_div = document.getElementById('canvas_div%d');\
46
 canvas_div.style.display='block';\
15111 schaersvoo 47
 };\n</script>\n<!-- end command popup %d -->\n",
9329 schaersvoo 48
canvas_root_id,
9333 schaersvoo 49
xsize+40,ysize+40,
9329 schaersvoo 50
xsize,ysize,
51
canvas_root_id,
52
canvas_root_id,
53
canvas_root_id,
54
canvas_root_id,
55
getfile_cmd,
9331 schaersvoo 56
canvas_root_id,
9329 schaersvoo 57
canvas_root_id);
58
}
59
 
15111 schaersvoo 60
void add_js_tooltip(char *tooltip_text,char *bgcolor){
14062 schaersvoo 61
fprintf(stdout,"\n<!-- begin command intooltip %d -->\n\
7614 schaersvoo 62
<script type=\"text/javascript\">\n\
63
var xsize = %d;\
64
var ysize = %d;\
65
var tooltip%d_obj_x = 0;\
66
var tooltip%d_obj_y = 0;\
67
var tooltip%d_flipflop = 0;\
68
var tooltip%d_obj = document.getElementById(\"canvas_div%d\");\
69
tooltip%d_obj.style.display=\"none\";\
70
tooltip%d_obj.style.position=\"absolute\";\
71
var tooltip%d_link = document.createElement(\"a\");\
72
tooltip%d_link.addEventListener(\"mousemove\",tooltip%d_drag,false);\
73
tooltip%d_link.setAttribute(\"onclick\",\"tooltip%d_show()\");\
74
tooltip%d_link.innerHTML  = \"%s\";\
75
var tooltip_placeholder = document.getElementById(\"tooltip_placeholder%d\");\
76
tooltip_placeholder.style.display=\"block\";\
77
tooltip_placeholder.style.position=\"absolute\";\
78
tooltip_placeholder.style.backgroundColor=\"%s\";\
79
tooltip_placeholder.appendChild(tooltip%d_link);\
80
function tooltip%d_drag(action){\
14038 schaersvoo 81
 if(!action){ action = event; };\
7614 schaersvoo 82
 if(action.clientX){\
83
  tooltip%d_obj.style.left = (tooltip%d_mouseX(action) + 10) +\"px\";\
84
  var ytop = tooltip%d_mouseY(action);\
85
  if(ytop + ysize < window.innerHeight){\
86
   tooltip%d_obj.style.top = (ytop - 10) +\"px\";\
87
  }\
88
  else\
89
  {\
90
   tooltip%d_obj.style.top = parseInt(ytop - 0.8*ysize) +\"px\";\
14038 schaersvoo 91
  };\
7614 schaersvoo 92
 }\
93
 else\
94
 {\
95
  return null;\
14038 schaersvoo 96
 };\
97
};\
7614 schaersvoo 98
function tooltip%d_mouseX(action){\
99
 if(action.pageX){\
100
  return action.pageX;\
101
 }\
102
 else\
103
 {\
104
  if(action.clientX){\
105
   return action.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
106
  }\
107
  else\
108
  {\
109
   return null;\
14038 schaersvoo 110
  };\
111
 };\
112
};\
7614 schaersvoo 113
function tooltip%d_mouseY(action){\
114
 if(action.pageY){\
115
  return action.pageY;\
116
 }\
117
 else\
118
 {\
119
  if(action.clientY){\
120
   return action.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop :document.body.scrollTop);\
121
  }\
122
  else\
123
  {\
124
   return null;\
14038 schaersvoo 125
  };\
126
 };\
127
};\
7614 schaersvoo 128
function tooltip%d_show(){\
129
 if(tooltip%d_flipflop == 0){\
130
  tooltip%d_obj.style.display = \"block\";\
131
  tooltip%d_flipflop = 1;\
132
 }\
133
 else\
134
 {\
135
  tooltip%d_flipflop = 0;\
136
  tooltip%d_obj.style.display = \"none\";\
14038 schaersvoo 137
 };\
14090 schaersvoo 138
};\n</script>\n<!-- end command intooltip %d -->\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,tooltip_text,canvas_root_id,bgcolor,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 139
 
8224 bpr 140
}
7614 schaersvoo 141
 
142
 
8224 bpr 143
/*
7614 schaersvoo 144
 
7991 schaersvoo 145
type = 0 : x-values only [command mousex]
146
type = 1 : y-values only [command mousey]
147
type = 2 : (x:y)         [command mouse]
11017 schaersvoo 148
type = 3 : degree        [command mouse_degree]
149
type = 4 : radian
150
type = 5 : radius
11040 schaersvoo 151
 
15111 schaersvoo 152
  var mouse = getMouse(evt,canvas_div);\
11040 schaersvoo 153
  var x = evt.clientX - mouse_canvas_rect.left;\
154
  var y = evt.clientY - mouse_canvas_rect.top;\
155
 
7991 schaersvoo 156
*/
15111 schaersvoo 157
void add_js_mouse(int canvas_cnt,int precision,char *stroke_color,int font_size,double stroke_opacity,int type){
158
fprintf(js_include_file,"\n/* command mouse on mouse canvas */\
7614 schaersvoo 159
function use_mouse_coordinates(){\
11041 schaersvoo 160
 var display_type = %d;\
11006 schaersvoo 161
 var canvas_type = %d;\
162
 var mouse_canvas = create_canvas%d(canvas_type,xsize,ysize);\
11005 schaersvoo 163
 var mouse_context = mouse_canvas.getContext(\"2d\");\
15111 schaersvoo 164
 mouse_canvas.addEventListener(\"mousemove\",show_coordinate%d,false);\
11005 schaersvoo 165
 mouse_canvas.addEventListener(\"touchmove\", function(e){ e.preventDefault();show_coordinate%d(e.changedTouches[0]);},false);\
7614 schaersvoo 166
 var prec = Math.log(%d)/(Math.log(10));\
167
 function show_coordinate%d(evt){\
15111 schaersvoo 168
  var mouse = getMouse(evt,mouse_canvas);\
11002 schaersvoo 169
  var x = mouse.x;\
170
  var y = mouse.y;\
11041 schaersvoo 171
  var m_data = \"\";\
172
  switch(display_type){\
7996 schaersvoo 173
   case 0: m_data = \" \"+(px2x(x)).toFixed(prec)+\" \"+unit_x;break;\
174
   case 1: m_data = \" \"+(px2y(y)).toFixed(prec)+\" \"+unit_y;break;\
7991 schaersvoo 175
   case 2: m_data = \"(\"+(px2x(x)).toFixed(prec)+\":\"+(px2y(y)).toFixed(prec)+\")\";break;\
11017 schaersvoo 176
   case 3: if(userdraw_radius[0]){ m_data = \" \"+( ( userdraw_radius[0])/(Math.PI/180) ).toFixed(prec)+\" \\u00B0 \";};break;\
177
   case 4: if(userdraw_radius[0]){ m_data = \" \"+(userdraw_radius[0]).toFixed(prec)+\" rad \";};break;\
12000 schaersvoo 178
   case 5: if( userdraw_x.length > 0 ){var L = userdraw_x.length;m_data = \" R = \"+((xmax - xmin)*(distance(x,y,userdraw_x[L-1],userdraw_y[L-1]))/xsize).toFixed(prec)+\" \"+unit_x;};break;\
7991 schaersvoo 179
   default:break;\
180
  };\
7614 schaersvoo 181
  var s = parseInt(0.8*%d*(m_data.toString()).length);\
15313 schaersvoo 182
  mouse_context.font = \"%dpx Arial\";\
11005 schaersvoo 183
  mouse_context.fillStyle = \"rgba(%s,%f)\";\
184
  mouse_context.clearRect(0,0,s,1.2*%d);\
185
  mouse_context.fillText(m_data,0,%d);\
7614 schaersvoo 186
 };\
11006 schaersvoo 187
};",type,MOUSE_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id,precision,canvas_root_id,font_size,font_size,stroke_color,stroke_opacity,font_size,font_size);
7856 schaersvoo 188
}
8112 schaersvoo 189
 
8224 bpr 190
/*
14208 schaersvoo 191
Math.sin: angle in radians
192
x1 = x*cos(a) - y*sin(a)
193
y1 = y*cos(a) + x*sin(a)
194
show_display = 0  nothing
195
show_display = 1 delta X
196
show_display = 2 delta Y
197
show_display = 3 delta R radians
198
show_display = 4 delta degrees
199
show_display = 5 delta X:Y
10952 schaersvoo 200
 
8112 schaersvoo 201
*/
15111 schaersvoo 202
void add_slider_display(int precision,int font_size,char *font_color,double stroke_opacity){
203
fprintf(js_include_file,"\n/* add_slider_display */\
14208 schaersvoo 204
var slider_prec = Math.log(%d)/(Math.log(10));\
14038 schaersvoo 205
 function show_slider_value(value,use_slider_display){\
8112 schaersvoo 206
 var current_canvas = create_canvas%d(%d,xsize,ysize);\
207
 var current_context = current_canvas.getContext(\"2d\");\
208
 current_context.clearRect(0,0,xsize,ysize);\
209
 var string;\
10952 schaersvoo 210
 switch(use_slider_display){\
14208 schaersvoo 211
  case 0: return;\
212
  case 1: string = '\\u0394 x = '+value.toFixed(slider_prec)+' '+unit_x;break;\
213
  case 2: string = '\\u0394 y = '+value.toFixed(slider_prec)+' '+unit_y;break;\
214
  case 3: string = '\\u2221 = '+value.toFixed(slider_prec)+'\\u03C0 rad';break;\
215
  case 4: string = '\\u2221 = '+(value*(180/Math.PI)).toFixed(slider_prec)+'\\u00B0';break;\
216
  case 5: string = 'not implemented';break;\
217
  default: string = '['+value+']';break;\
8112 schaersvoo 218
 };\
219
 var s = parseInt(1.2*%d*(string).length);\
15313 schaersvoo 220
 current_context.font = '%dpx Arial';\
14208 schaersvoo 221
 current_context.strokeStyle = 'rgba(%s,%.2f)';\
8112 schaersvoo 222
 current_context.clearRect(0,0,s,1.2*%d);\
14208 schaersvoo 223
 current_context.fillText(string,0,%d);};",precision,canvas_root_id,MOUSE_CANVAS,font_size,font_size,font_color,stroke_opacity,font_size,font_size);
8112 schaersvoo 224
}
11002 schaersvoo 225
 
15111 schaersvoo 226
void add_slider(int anim){
227
fprintf(js_include_file,"\n/* add_slider aux*/\
14208 schaersvoo 228
function rotateXY(obj,angle){\
229
 if( typeof(angle) === 'undefined' ){console.log('rotateXY() angle undefined');return obj;};\
230
 var len = obj.x.length;\
15111 schaersvoo 231
 if( typeof(len) === 'undefined' ){obj.angle = angle;return obj;};\
232
 var cos = Math.cos(angle - obj.angle);\
233
 var sin = Math.sin(angle - obj.angle);\
14208 schaersvoo 234
 obj.angle = angle;\
15111 schaersvoo 235
 var xc,yc;\
236
 if( obj.use_rotation_center == 0 ){\
237
  xc = obj.x[0];\
238
  yc = obj.y[0];\
239
 }else{\
240
  xc = obj.rotation_center[0];\
241
  yc = obj.rotation_center[1];\
242
 };\
14208 schaersvoo 243
 var x,y;\
244
 for(var p = 0 ; p < len ; p++ ){\
245
  x = obj.x[p];\
246
  y = obj.y[p];\
247
  obj.x[p] = (cos * (x - xc)) + (sin * (y - yc)) + xc;\
15111 schaersvoo 248
  obj.y[p] = (cos * (y - yc)) - (sin * (x - xc)) + yc;\
14208 schaersvoo 249
 };\
250
 return obj;\
251
};\
252
function rotateARC(obj,angle){\
253
 obj.h[0] = angle;\
254
 obj.angle = -1*angle;\
255
 return obj;\
256
};\
15111 schaersvoo 257
function slider_show_it(XYR,dx,value,slider_id){\
258
 if(slidergroup.length != 0){\
259
  var len = slidergroup.length;var use_xml = false;\
260
  for(var i = 0;i < len;i++){\
261
   use_xml = false;var obj = slidergroup[i];\
262
   if( obj !== null ){\
263
    if( obj.use_slider[0] != -1 ){\
264
     var sl = obj.use_slider.length;\
265
     for(var s = 0 ; s < sl;s++ ){\
266
      if(obj.use_slider[s] == slider_id ){\
267
       if( typeof(obj.type) !== 'number' ){use_xml = true;};\
268
       switch(XYR){\
269
        case 'X' : obj = move(obj,dx,0);dragdrop_reply[obj.object_cnt].x = obj.x;break;\
270
        case 'Y' : obj = move(obj,0,dx);dragdrop_reply[obj.object_cnt].y = obj.y;break;\
271
        case 'R' : if(obj.type == 17 ){obj = rotateARC(obj,value);}else{obj = rotateXY(obj,value);};dragdrop_reply[obj.object_cnt].angle = obj.angle;break;\
272
        default : break;\
273
       };\
274
      };\
275
     };\
276
    };\
277
    if( use_xml ){ draw_xml(obj); }\
278
    dragstuff.draw();dragstuff.valid = false;\
279
   };\
280
  };\
281
 };\
282
 return;\
283
};\
284
");
285
 
286
if(anim == 0){fprintf(js_include_file,"\n/* add_slider */\
14208 schaersvoo 287
if( typeof(unit_x) === 'undefined' ){var unit_x = ' ';};\
288
if( typeof(unit_y) === 'undefined' ){var unit_y = ' ';};\
15111 schaersvoo 289
function slider(XYR,text,slider_id ,width,height,linewidth,fillcolor,strokecolor,opacity,min,max,fontfamily,display){\
290
 if( wims_status == \"done\" ){return;};var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
291
 var xcenter = 0.5*width;var rcenter = 0.5*width;fillcolor = 'rgba('+fillcolor+','+opacity[0]+')' || 'rgba(200,200,0,0.2)';\
292
 strokecolor = 'rgba('+strokecolor+','+opacity[1]+')';var title = document.createTextNode(text);\
293
 var br = document.createElement('BR');tooltip_div.appendChild(br);tooltip_div.appendChild(title);\
294
 var slider_canvas = document.createElement('canvas');slider_canvas.id = 'canvas'+slider_id;tooltip_div.appendChild(slider_canvas);\
295
 slider_canvas.width = width;slider_canvas.height = height;var slider_ctx = slider_canvas.getContext(\"2d\");\
296
 slider_ctx.font = fontfamily;slider_ctx.strokeStyle = strokecolor;\
297
 slider_ctx.fillStyle = fillcolor;slider_ctx.lineWidth = linewidth;slider_ctx.save();\
298
 slider_ctx.beginPath();slider_ctx.moveTo(0,height-10);slider_ctx.lineTo(width,height-10);\
299
 slider_ctx.moveTo(xcenter-10,10);slider_ctx.lineTo(xcenter+10,10);slider_ctx.lineTo(xcenter,height-10);\
300
 slider_ctx.lineTo(xcenter-10,10);slider_ctx.closePath();slider_ctx.stroke();slider_ctx.fill();\
301
 slider_canvas.addEventListener( 'mousemove' ,slide_me,false);\
302
 slider_canvas.addEventListener( 'mouseup' ,stop_slide_me,false);\
303
 slider_canvas.addEventListener( 'mousedown' ,start_slide_me,false);\
304
 slider_canvas.addEventListener( 'touchstart', function(e){ e.preventDefault();start_slide_me(e.changedTouches[0]);},false);\
305
 slider_canvas.addEventListener( 'touchend',   function(e){ e.preventDefault();stop_slide_me(e.changedTouches[0]);},false);\
306
 slider_canvas.addEventListener( 'touchmove' ,function(e){ e.preventDefault();slide_me(e.changedTouches[0]);},false);\
307
 var slider_active = false;var value;\
308
 function stop_slide_me(evt){slider_active = false;};\
309
 function start_slide_me(evt){slider_active = true;};\
14208 schaersvoo 310
 function slide_me(evt){\
15111 schaersvoo 311
  if( slider_active == false ){return;};\
14208 schaersvoo 312
  var canvas_rect = slider_canvas.getBoundingClientRect();\
313
  slider_ctx.clearRect(0,0,width,height);\
15111 schaersvoo 314
  var px = parseInt(evt.clientX - canvas_rect.left);\
315
  slider_ctx.beginPath();slider_ctx.moveTo(0,height-10);slider_ctx.lineTo(width,height-10);\
316
  slider_ctx.moveTo(px-10,10);slider_ctx.lineTo(px+10,10);slider_ctx.lineTo(px,height-10);\
317
  slider_ctx.lineTo(px-10,10);slider_ctx.closePath();slider_ctx.stroke();slider_ctx.fill();\
318
  value = (px - rcenter)/width*(max - min);\
319
  if( display > 0 ){show_slider_value(value,display);};\
320
  var dx = px - xcenter;xcenter = px;\
321
  slider_show_it(XYR,dx,value,slider_id);\
14208 schaersvoo 322
 };\
15111 schaersvoo 323
};",canvas_root_id);
8071 schaersvoo 324
}
15111 schaersvoo 325
if( anim == 1){
326
fprintf(js_include_file,"\n/* add_anim_slider */\
327
function animslider(XYR,text,slider_id ,width,height,linewidth,fillcolor,strokecolor,opacity,min,max,fontfamily,display)\
328
{\
329
 document.addEventListener('readystatechange',function(event){\
330
  if(event.target.readyState === 'complete'){\
331
   var value= 0;\
332
   var timer = setInterval(function(){\
333
    value++;slider_show_it(XYR,value,value,slider_id);\
334
    if( value > width ){clearInterval( timer );}\
335
   },240);\
336
  };\
337
 },false);\
338
};");
339
}
340
}
341
/*      dragdrop_reply[obj.object_cnt] = obj;
8097 schaersvoo 342
*/
343
 
8224 bpr 344
/*
7833 schaersvoo 345
adds inputfield for x-value: returns the js-calculated y-value after click on 'OK' button
346
draws a non-configurable crosshair on this calculated location
347
*/
15111 schaersvoo 348
void add_calc_y(char *jsmath,int font_size,char *css_class){
349
fprintf(js_include_file,"\n/* add_calc_y */\
7858 schaersvoo 350
use_jsmath=1;\
7856 schaersvoo 351
function add_calc_y(){\
11002 schaersvoo 352
 if( wims_status == \"done\" ){return;};\
353
 var fun = to_js_math(\"%s\");if(fun == null){return;};\
354
 function eval_jsmath(x){return parseFloat(eval(fun));};\
355
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
356
 var calc_div = document.createElement('div');\
357
 calc_div.id = \"calc_div\";\
358
 tooltip_div.appendChild(calc_div);\
359
 var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 360
 if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
361
 if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
11002 schaersvoo 362
 calc_div.innerHTML=\"<br /><span style='font-style:italic;font-size:%dpx'>\"+label_x+\" : <input type='text' size='4' value='' id='calc_input_x' style='%s' />&nbsp;\"+ label_y+\" : <input type='text' size='5' value='' id='calc_output_y' style='%s' readonly /><input id='calc_button' type='button' value='OK' onclick=''  style='color:red;background-color:lightblue;' /></span> \";\
363
 var calc_button = document.getElementById(\"calc_button\");\
15111 schaersvoo 364
 calc_button.addEventListener(\"mousedown\",show_it,false);\
11002 schaersvoo 365
 calc_button.addEventListener(\"touchstart\", function(e){ e.preventDefault();show_it(e.changedTouches[0]);},false);\
366
 function show_it(){\
367
  var x_value=document.getElementById(\"calc_input_x\").value;\
368
  var y_value = eval_jsmath(x_value);\
369
  document.getElementById(\"calc_output_y\").value = y_value;\
370
  if(isNaN(y_value)){return;};\
371
  var canvas = create_canvas%d(123,xsize,ysize);\
372
  var ctx = canvas.getContext(\"2d\");\
373
  draw_crosshairs(ctx,[x2px(x_value)],[y2px(y_value)],1,5,\"#000000\",1,0,0,0,[0,0]);return;\
374
 };\
375
};\
15111 schaersvoo 376
;add_calc_y();",jsmath,canvas_root_id,font_size,css_class,css_class,canvas_root_id);
7833 schaersvoo 377
}
378
/*
379
 x-value of the mouse will be used to calculate via javascript the corresponding y-value using the verbatim js-math function
380
 a configurable crosshair and vertical/horizontal crosshair lines will be drawn
381
 function is called "use_mouse_coordinates() and thus can not be combined with command 'mouse'
382
*/
15111 schaersvoo 383
void add_trace_js_mouse(int canvas_cnt,char *stroke_color,char *jsmath,int font_size,double stroke_opacity,int line_width,int crosshair_size,char *css_class){
384
fprintf(js_include_file,"\n/* add_trace_jsmath */\
7858 schaersvoo 385
use_jsmath=1;\
7839 schaersvoo 386
function use_trace_jsmath(){\
7956 schaersvoo 387
if( wims_status == \"done\" ){return;};\
7833 schaersvoo 388
 var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 389
 if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
390
 if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7823 schaersvoo 391
 var trace_canvas = create_canvas%d(%d,xsize,ysize);\
392
 var trace_context = trace_canvas.getContext(\"2d\");\
7856 schaersvoo 393
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
7839 schaersvoo 394
 var trace_div = document.createElement('div');\
395
 trace_div.id = \"trace_div\";\
7856 schaersvoo 396
 tooltip_div.appendChild(trace_div);\
9213 schaersvoo 397
 trace_div.innerHTML = \"<br /><span style='font-style:italic;font-size:%dpx'>\"+label_x+\" : <input type='text' size='4' value='' id='trace_input_x' style='%s' />\"+label_y+\" : <input type='text' size='5' value='' id='trace_input_y' style='%s' readonly /></span> \";\
7858 schaersvoo 398
 canvas_div.addEventListener(\"mousemove\",trace,false);\
11002 schaersvoo 399
 canvas_div.addEventListener(\"touchmove\",function(e){ e.preventDefault();trace(e.changedTouches[0]);},false);\
7981 schaersvoo 400
 var fun = to_js_math(\"%s\");if(fun == null){return;};\
7858 schaersvoo 401
 function eval_jsmath(x){return parseFloat(eval(fun));};\
402
 function trace(evt){\
15111 schaersvoo 403
  var mouse = getMouse(evt,trace_canvas);\
11002 schaersvoo 404
  var x_px = mouse.x;\
7834 schaersvoo 405
  var x = px2x(x_px);\
7823 schaersvoo 406
  var y = eval_jsmath(x);\
407
  if(isNaN(y)){return;};\
7834 schaersvoo 408
  var y_px = y2px(y);\
7823 schaersvoo 409
  trace_context.clearRect(0,0,xsize,ysize);\
7834 schaersvoo 410
  draw_crosshairs(trace_context,[x_px],[y_px],%d,%d,\"%s\",%f,0,0,0,[0,0]);\
7856 schaersvoo 411
  document.getElementById(\"trace_input_x\").value = x;\
412
  document.getElementById(\"trace_input_y\").value = y;\
7823 schaersvoo 413
 };\
414
 return;\
15111 schaersvoo 415
};use_trace_jsmath();",canvas_root_id,canvas_cnt,canvas_root_id,font_size,css_class,css_class,jsmath,line_width,crosshair_size,stroke_color,stroke_opacity);
7823 schaersvoo 416
}
7663 schaersvoo 417
 
8224 bpr 418
/*
419
add a table with 2 textarea's labeled 'x' 'y' ( or 'xlabel' 'ylabel' if defined)
7749 schaersvoo 420
add two buttons: OK and NOK (OK draws; NOK will delete last item pair from userdraw_x / userdraw_y array's
421
*/
15111 schaersvoo 422
void add_textarea_xy(char *css_class){
423
fprintf(js_include_file,"\n/* add_textarea_xy */\
7856 schaersvoo 424
function add_textarea_xy(){\
7956 schaersvoo 425
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 426
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
427
var textarea_div = document.createElement('div');\
428
textarea_div.id = \"textarea_div\";\
429
tooltip_div.appendChild(textarea_div);\
7663 schaersvoo 430
var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 431
if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
432
if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7856 schaersvoo 433
textarea_div.innerHTML=\"\
434
<table style=\'border:1px solid black;background-color:#ffffa0\' >\
435
<tr>\
436
 <td><input id='textarea_ok_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/></td>\
437
 <td><input id='textarea_nok_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></td>\
438
</tr>\
439
<tr>\
440
 <td><em>\"+label_x+\"</em></td>\
441
 <td><em>\"+label_y+\"</em></td>\
442
</tr>\
443
<tr>\
8815 schaersvoo 444
 <td><textarea rows='5' cols='2' id='userinput_x' style='%s' ></textarea></td>\
445
 <td><textarea rows='5' cols='2' id='userinput_y' style='%s' ></textarea></td>\
7856 schaersvoo 446
</tr>\
447
</table>\";\
448
var textarea_ok_button = document.getElementById(\"textarea_ok_button\");\
449
var textarea_nok_button = document.getElementById(\"textarea_nok_button\");\
15111 schaersvoo 450
textarea_ok_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
451
textarea_nok_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
7856 schaersvoo 452
return;\
15111 schaersvoo 453
};add_textarea_xy();",canvas_root_id,css_class,css_class);
7663 schaersvoo 454
}
455
 
7838 schaersvoo 456
/*
7823 schaersvoo 457
 
7838 schaersvoo 458
*/
15111 schaersvoo 459
void add_setlimits(int font_size,char *css_class){
460
fprintf(js_include_file,"\n/* add_setlimits */\
7839 schaersvoo 461
function use_setlimits(){\
7956 schaersvoo 462
if( wims_status == \"done\" ){return;};\
7858 schaersvoo 463
var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 464
if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
465
if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7856 schaersvoo 466
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
7839 schaersvoo 467
var setlim_div = document.createElement('div');\
7856 schaersvoo 468
setlim_div.id = \"setlim_div\";\
469
tooltip_div.appendChild(setlim_div);\
8815 schaersvoo 470
setlim_div.innerHTML=\"<br /><span style='font-style:italic;font-size:%dpx'>\"+label_x+\"min = <input type='text' size='4' value='\"+xmin+\"' id='userinput_xmin' style='%s' /> \"+label_x+\"max = <input type='text' size='4' value='\"+xmax+\"' id='userinput_xmax' style='%s' /><br />\"+label_y+\"min = <input type='text' size='4' value='\"+ymin+\"' id='userinput_ymin' style='%s' /> \"+label_y+\"max = <input type='text' size='4' value='\"+ymax+\"' id='userinput_ymax' style='%s' /><br /><input id='set_limits' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;' />\";\
7838 schaersvoo 471
var setlimit_button = document.getElementById(\"set_limits\");\
472
function set_limits(e){\
473
xmin = safe_eval(document.getElementById('userinput_xmin').value);\
474
xmax = safe_eval(document.getElementById('userinput_xmax').value);\
475
ymin = safe_eval(document.getElementById('userinput_ymin').value);\
476
ymax = safe_eval(document.getElementById('userinput_ymax').value);\
477
if(xmin > xmax || ymin > ymax){alert(\"your limits are not correct...\");return;}\
15111 schaersvoo 478
try{redraw_jsplot();}catch(e){console.log('redraw_jsplot failed:'+e);};\
479
try{redraw_grid();}catch(e){console.log('redraw_grid failed:'+e);};\
480
try{dragstuff.Zoom(xmin,xmax,ymin,ymax)}catch(e){console.log('zooming dragstuff failed:'+e);};return;};\
7839 schaersvoo 481
setlimit_button.addEventListener(\"mousedown\",function(e){set_limits();},false);\
15111 schaersvoo 482
};use_setlimits();",canvas_root_id,font_size,css_class,css_class,css_class,css_class);
7838 schaersvoo 483
}
8193 schaersvoo 484
 
15111 schaersvoo 485
void add_input_jsfunction(char *css_class,char *input_label,int input_cnt,char *stroke_color,float stroke_opacity,int line_width,int use_dashed,int dashtype0,int dashtype1,int font_size){
486
fprintf(js_include_file,"\n/* add_input_jsfunction */\
8297 schaersvoo 487
function clear_jsfunction(canvas_plot_id,input_field){\
8193 schaersvoo 488
 try{\
8297 schaersvoo 489
  var canvas_plot = document.getElementById(\"wims_canvas%d\"+canvas_plot_id);\
490
  var canvas_plot_ctx = canvas_plot.getContext(\"2d\");\
8193 schaersvoo 491
  if( confirm(\"clear function plot?\") ){\
8297 schaersvoo 492
   canvas_plot_ctx.clearRect(0,0,xsize,ysize);\
493
   document.getElementById(input_field).value = \"\";\
494
  };\
495
  return;\
496
 }catch(e){alert(e+\"nothing to remove...\");};\
9244 schaersvoo 497
 return;\
498
};\
15111 schaersvoo 499
function add_input_jsfunction(input_cnt,css_class,input_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1){\
8297 schaersvoo 500
 var canvas_plot_id = %d+input_cnt;\
15111 schaersvoo 501
 var label = input_label[input_cnt];\
502
 if( typeof(multistrokecolors) === 'object'){ stroke_color = multistrokecolors[input_cnt];};\
8297 schaersvoo 503
 var input_field = \"canvas_input\"+input_cnt;\
504
 var update_button_id = \"update_button\"+input_cnt;\
505
 var delete_button_id = \"delete_button\"+input_cnt;\
506
 if( wims_status == \"done\" ){return;};\
507
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
508
 var input_jsfunction_div = document.createElement('div');\
509
 input_jsfunction_div.id = \"input_jsfunction_div\"+input_cnt;\
510
 tooltip_div.appendChild(input_jsfunction_div);\
15111 schaersvoo 511
 input_jsfunction_div.innerHTML=\"<br /><span style='font-style:italic;font-size:%dpx;color:rgb(\"+stroke_color+\")'><b>\"+label+\" <input type='text' size='16' value='' id='\"+input_field+\"' style='\"+css_class+\"' /></b><input id='\"+update_button_id+\"' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='\"+delete_button_id+\"' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";\
8297 schaersvoo 512
 var update_button = document.getElementById(update_button_id);\
513
 var delete_button = document.getElementById(delete_button_id);\
15111 schaersvoo 514
 update_button.addEventListener(\"mousedown\",function(e){jsplot(canvas_plot_id,[rawmath(document.getElementById(input_field).value)],[line_width],[stroke_color],[stroke_opacity],[use_dashed],dashtype0,dashtype1,0,0,300,0,1);return;},false);\
8297 schaersvoo 515
 delete_button.addEventListener(\"mousedown\",function(e){clear_jsfunction(canvas_plot_id,input_field);return;},false);\
9244 schaersvoo 516
};\
15111 schaersvoo 517
add_input_jsfunction(%d,\"%s\",%s,%d,\"%s\",%.2f,%d,%d,%d);",canvas_root_id,USERDRAW_JSPLOT,canvas_root_id,font_size,input_cnt,css_class,input_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);
8193 schaersvoo 518
}
519
 
520
 
8224 bpr 521
/*
522
adds 2 inputfields (x:y) and 'ok' | 'nok' button
7668 schaersvoo 523
these are used for user drawing with inputfields...
15529 schaersvoo 524
function update_me(){\
525
 var x = safe_eval(document.getElementById('userinput_x').value);\
526
 var y = safe_eval(document.getElementById('userinput_y').value);\
527
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
528
 return;\
529
};\
7668 schaersvoo 530
*/
7823 schaersvoo 531
 
15111 schaersvoo 532
void add_input_xy(int font_size,char *css_class){
533
fprintf(js_include_file,"\n/* add_input_xy */\
7856 schaersvoo 534
function add_input_xy(){\
7956 schaersvoo 535
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 536
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
537
var input_xy_div = document.createElement('div');\
538
input_xy_div.id = \"input_xy_div\";\
539
tooltip_div.appendChild(input_xy_div);\
7663 schaersvoo 540
var label_x = \"x\";var label_y = \"y\";\
9213 schaersvoo 541
input_xy_div.innerHTML=\"<br /><span style='font-style:italic;font-size:%dpx'><b>( <input type='text' size='5' value='' id='userinput_x' style='%s' /> : <input type='text' size='5' value='' id='userinput_y' style='%s' /> )</b><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> \";\
7652 schaersvoo 542
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 543
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 544
update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
545
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
546
};add_input_xy();",canvas_root_id,font_size,css_class,css_class);
7652 schaersvoo 547
}
548
 
7668 schaersvoo 549
/* adds 4 inputfields (x1:y1) --- (x2:y2) and 'ok' + 'nok' button */
15111 schaersvoo 550
void add_input_x1y1x2y2(int font_size,char *css_class){
551
fprintf(js_include_file,"\n/* add_input_x1y1x2y2 */\
7856 schaersvoo 552
function add_input_x1y1x2y2(){\
7956 schaersvoo 553
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 554
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
555
var input_x1y1x2y2_div = document.createElement('div');\
556
input_x1y1x2y2_div.id = \"input_x1y1x2y2_div\";\
557
tooltip_div.appendChild(input_x1y1x2y2_div);\
9213 schaersvoo 558
input_x1y1x2y2_div.innerHTML=\"<br /><span style='font-size:%dpx'><b>( <input type='text' size='5' value='' id='userinput_x1' style='%s' /> : <input type='text' size='5' value='' id='userinput_y1' style='%s' /> ) ----- ( <input type='text' size='5' value='' id='userinput_x2' style='%s' /> : <input type='text' size='5' value='' id='userinput_y2' style='%s'/> )</b><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> \";\
7652 schaersvoo 559
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 560
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 561
update_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
562
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
563
};add_input_x1y1x2y2();",canvas_root_id,font_size,css_class,css_class,css_class,css_class);
7652 schaersvoo 564
}
565
 
7668 schaersvoo 566
/* adds 3 inputfields Center (x:y) Radius r and 'ok'+'nok' buttons */
15111 schaersvoo 567
void add_input_xyr(int font_size,char *css_class){
568
fprintf(js_include_file,"\n/* add_input_xyr */\
7856 schaersvoo 569
function add_input_xyr(){\
7956 schaersvoo 570
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 571
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
572
var input_xyr_div = document.createElement('div');\
573
input_xyr_div.id = \"input_xyr_div\";\
574
tooltip_div.appendChild(input_xyr_div);\
9213 schaersvoo 575
input_xyr_div.innerHTML=\"<br /><span style='font-style:italic;font-size:%dpx'><b>Center : ( <input type='text' size='5' value='' id='userinput_x' style='%s' /> : <input type='text' size='5' value='' id='userinput_y' style='%s' /> ) Radius : <input type='text' size='5' value='' id='userinput_r' style='%s' /></b><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> \";\
7652 schaersvoo 576
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 577
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 578
update_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
579
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
580
};add_input_xyr();",canvas_root_id,font_size,css_class,css_class,css_class);
7652 schaersvoo 581
}
582
 
7749 schaersvoo 583
/* THESE JS-FUNCTIONS COULD BE MADE LESS COPY & PASTE "PROGRAMMING" */
584
 
7663 schaersvoo 585
/* draw circle(s) / point(s) via 3 inputfields */
15111 schaersvoo 586
void add_input_circle(int type,int num){
8224 bpr 587
/*
588
type = 0 : a point ...radius is fixed
7652 schaersvoo 589
type = 1 : a circle ... read inputfield userinput_r
590
num = 1 : a single point / circle
591
num = 2 : multiple points / circles
592
*/
15111 schaersvoo 593
fprintf(js_include_file,"\n/* add_input_circle */\
7668 schaersvoo 594
function user_redraw(t){\
595
 var type = %d;\
596
 var num = %d;\
7780 schaersvoo 597
 var lu = userdraw_x.length;\
12006 schaersvoo 598
 if( t == -1 && lu > 0){userdraw_x.splice(lu-1,1);userdraw_y.splice(lu-1,1);if(type == 1){userdraw_radius.splice(lu-1,1);};context_userdraw.clearRect(0,0,xsize,ysize);draw_circles(context_userdraw,userdraw_x,userdraw_y,userdraw_radius,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1);xy_cnt = userdraw_x.length;return;};\
7749 schaersvoo 599
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
600
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
12006 schaersvoo 601
 if( add_x != null && add_y != null ){if( type == 1 ){var add_r = safe_eval( document.getElementById(\"userinput_r\").value );if( add_r == null ){alert(\"illegal radius input \");return;};if( num == 1 ){userdraw_radius[0] = parseInt(Math.abs(xsize*(add_r)/(xmax - xmin)));}else{userdraw_radius.push( parseInt(Math.abs(xsize*(add_r)/(xmax - xmin))) );};}else{userdraw_radius[lu] = userdraw_radius[0];};if( num == 1 ){userdraw_x[0] = x2px(add_x);userdraw_y[0] = y2px(add_y);xy_cnt=1;}else{userdraw_x.push(x2px(add_x));userdraw_y.push(y2px(add_y));xy_cnt = userdraw_x.length;};context_userdraw.clearRect(0,0,xsize,ysize);draw_circles(context_userdraw,userdraw_x,userdraw_y,userdraw_radius,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1);};\
7749 schaersvoo 602
 return;\
603
};",type,num);
7652 schaersvoo 604
}
7663 schaersvoo 605
/* draw crosshairs via inputfields x/y */
15111 schaersvoo 606
void add_input_crosshair(int num){
607
fprintf(js_include_file,"\n/* add_input_crosshair */\
7668 schaersvoo 608
function user_redraw(t){\
7780 schaersvoo 609
 var lu = userdraw_x.length;\
610
 if( t == -1 && lu > 0){\
611
  userdraw_x.splice(lu-1,1);\
612
  userdraw_y.splice(lu-1,1);\
7749 schaersvoo 613
  context_userdraw.clearRect(0,0,xsize,ysize);\
614
  draw_crosshairs(context_userdraw,userdraw_x,userdraw_y,line_width,crosshair_size,stroke_color,stroke_opacity,0,0,0,[0,0]);\
615
  return;\
616
 };\
617
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
618
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
619
 if( add_x != null && add_y != null ){\
7654 schaersvoo 620
  if( %d == 1 ){\
621
   userdraw_x[0] = x2px(add_x);\
622
   userdraw_y[0] = y2px(add_y);\
623
  }\
624
  else\
625
  {\
626
    userdraw_x[lu] = x2px(add_x);\
627
    userdraw_y[lu] = y2px(add_y);\
628
    xy_cnt++;\
629
  };\
630
  context_userdraw.clearRect(0,0,xsize,ysize);\
631
  draw_crosshairs(context_userdraw,userdraw_x,userdraw_y,line_width,crosshair_size,stroke_color,stroke_opacity,0,0,0,[0,0]);\
632
 };\
7749 schaersvoo 633
 return;\
7654 schaersvoo 634
};",num);
635
}
636
 
7663 schaersvoo 637
/* draw arrows via inputfields x/y */
15111 schaersvoo 638
void add_input_arrow(int num){
639
fprintf(js_include_file,"\n/* add_input_arrow */\
7668 schaersvoo 640
function user_redraw(t){\
7780 schaersvoo 641
 var lu = userdraw_x.length;\
642
 if( t == -1 && lu > 1 ){\
643
  userdraw_x.splice(lu-2,2);\
644
  userdraw_y.splice(lu-2,2);\
7747 schaersvoo 645
  context_userdraw.clearRect(0,0,xsize,ysize);\
8071 schaersvoo 646
  draw_arrows(context_userdraw,userdraw_x,userdraw_y,arrow_head,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,type,use_rotate,angle,0,[1,0,0,1,0,0]);\
7747 schaersvoo 647
  return;\
648
 };\
7749 schaersvoo 649
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
650
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
651
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
652
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
653
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7654 schaersvoo 654
  if( %d == 2 ){\
655
    var s = userdraw_x.length;\
7780 schaersvoo 656
    userdraw_x[lu] = x2px(add_x1);\
657
    userdraw_y[lu] = y2px(add_y1);\
658
    userdraw_x[lu+1] = x2px(add_x2);\
659
    userdraw_y[lu+1] = y2px(add_y2);\
7654 schaersvoo 660
  }\
661
  else\
662
  {\
663
   userdraw_x[0] = x2px(add_x1);\
664
   userdraw_y[0] = y2px(add_y1);\
665
   userdraw_x[1] = x2px(add_x2);\
666
   userdraw_y[1] = y2px(add_y2);\
667
  };\
668
  context_userdraw.clearRect(0,0,xsize,ysize);\
8071 schaersvoo 669
  draw_arrows(context_userdraw,userdraw_x,userdraw_y,arrow_head,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,type,use_rotate,angle,0,[1,0,0,1,0,0]);\
7654 schaersvoo 670
 };\
7749 schaersvoo 671
 return;\
7654 schaersvoo 672
};",num);
673
}
674
 
7746 schaersvoo 675
/* draw line via inputfields x/y */
15111 schaersvoo 676
void add_input_line(int num){
677
fprintf(js_include_file,"\n/* line via inputfields  */\
7746 schaersvoo 678
function user_redraw(t){\
7780 schaersvoo 679
 var lu = userdraw_x.length;\
680
 if( t == -1 && lu > 1){\
681
  userdraw_x.splice(lu-2,2);\
682
  userdraw_y.splice(lu-2,2);\
7746 schaersvoo 683
  context_userdraw.clearRect(0,0,xsize,ysize);\
684
  draw_lines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,1,0,0);\
685
  return;\
686
 };\
7749 schaersvoo 687
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
688
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
689
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
690
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
691
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7746 schaersvoo 692
  if( %d == 2 ){\
7780 schaersvoo 693
    userdraw_x[lu] = x2px(add_x1);\
694
    userdraw_y[lu] = y2px(add_y1);\
695
    userdraw_x[lu+1] = x2px(add_x2);\
696
    userdraw_y[lu+1] = y2px(add_y2);\
7746 schaersvoo 697
  }\
698
  else\
699
  {\
700
   userdraw_x[0] = x2px(add_x1);\
701
   userdraw_y[0] = y2px(add_y1);\
702
   userdraw_x[1] = x2px(add_x2);\
703
   userdraw_y[1] = y2px(add_y2);\
704
  };\
705
  context_userdraw.clearRect(0,0,xsize,ysize);\
706
  draw_lines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,1,0,0);\
707
 };\
7749 schaersvoo 708
 return;\
7746 schaersvoo 709
};",num);
710
}
711
 
712
 
7663 schaersvoo 713
/* draw polyline via inputfields x/y */
15111 schaersvoo 714
void add_input_polyline(){
715
fprintf(js_include_file,"\n/* polyline_segment via inputfields */\
7668 schaersvoo 716
function user_redraw(t){\
8071 schaersvoo 717
 var lu = userdraw_x.length;\
7962 schaersvoo 718
 cnt = 1;\
7780 schaersvoo 719
 if( t == -1 && lu > 0){\
8071 schaersvoo 720
  userdraw_x.splice(lu-1,1);\
721
  userdraw_y.splice(lu-1,1);\
722
  context_userdraw.clearRect(0,0,xsize,ysize);\
723
  draw_polyline(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
724
  return;\
725
 };\
726
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
727
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
7749 schaersvoo 728
 if(add_x != null && add_y != null ){\
8071 schaersvoo 729
  userdraw_x.push(x2px(add_x));\
730
  userdraw_y.push(y2px(add_y));\
731
  context_userdraw.clearRect(0,0,xsize,ysize);\
732
  draw_polyline(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
733
 };\
734
 return;\
7663 schaersvoo 735
};");
736
}
737
/* draw segment(s) via inputfields x/y */
15111 schaersvoo 738
void add_input_segment(int num){
739
fprintf(js_include_file,"\n/* add_input_segment */\
7668 schaersvoo 740
function user_redraw(t){\
7780 schaersvoo 741
 var lu = userdraw_x.length;\
742
 if( t == -1 && lu > 1){\
743
  userdraw_x.splice(lu-2,2);\
744
  userdraw_y.splice(lu-2,2);\
7746 schaersvoo 745
  context_userdraw.clearRect(0,0,xsize,ysize);\
7668 schaersvoo 746
  draw_segments(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
747
  return;\
748
 };\
7749 schaersvoo 749
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
750
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
751
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
752
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
753
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7652 schaersvoo 754
  if( %d == 2 ){\
755
    var s = userdraw_x.length;\
756
    userdraw_x[s] = x2px(add_x1);\
757
    userdraw_y[s] = y2px(add_y1);\
758
    userdraw_x[s+1] = x2px(add_x2);\
759
    userdraw_y[s+1] = y2px(add_y2);\
760
  }\
761
  else\
762
  {\
763
   userdraw_x[0] = x2px(add_x1);\
764
   userdraw_y[0] = y2px(add_y1);\
765
   userdraw_x[1] = x2px(add_x2);\
766
   userdraw_y[1] = y2px(add_y2);\
767
  };\
768
  context_userdraw.clearRect(0,0,xsize,ysize);\
769
  draw_segments(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
7668 schaersvoo 770
 };\
7749 schaersvoo 771
 return;\
7652 schaersvoo 772
};",num);
773
}
7663 schaersvoo 774
 
8244 schaersvoo 775
/* draw demilines(s) via inputfields x/y */
15111 schaersvoo 776
void add_input_demiline(int num){
777
fprintf(js_include_file,"\n/* add_input_segment */\
8244 schaersvoo 778
function user_redraw(t){\
779
 var lu = userdraw_x.length;\
780
 if( t == -1 && lu > 1){\
781
  userdraw_x.splice(lu-2,2);\
782
  userdraw_y.splice(lu-2,2);\
783
  context_userdraw.clearRect(0,0,xsize,ysize);\
784
  draw_demilines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
785
  return;\
786
 };\
787
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
788
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
789
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
790
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
791
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
792
  if( %d == 2 ){\
793
    var s = userdraw_x.length;\
794
    userdraw_x[s] = x2px(add_x1);\
795
    userdraw_y[s] = y2px(add_y1);\
796
    userdraw_x[s+1] = x2px(add_x2);\
797
    userdraw_y[s+1] = y2px(add_y2);\
798
  }\
799
  else\
800
  {\
801
   userdraw_x[0] = x2px(add_x1);\
802
   userdraw_y[0] = y2px(add_y1);\
803
   userdraw_x[1] = x2px(add_x2);\
804
   userdraw_y[1] = y2px(add_y2);\
805
  };\
806
  context_userdraw.clearRect(0,0,xsize,ysize);\
807
  draw_demilines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
808
 };\
809
 return;\
810
};",num);
811
}
812
 
15111 schaersvoo 813
void add_clear_button(char *css_class,char *button_text){
11001 schaersvoo 814
/* 25/11/2014 added clearing of reply array
8448 schaersvoo 815
all members will be set to 0 eg reply[0] = 0 , reply[1] = 0 ...
15111 schaersvoo 816
hope this does not interfere with existing work...
8448 schaersvoo 817
*/
11001 schaersvoo 818
/*
15111 schaersvoo 819
5/2016 changed  to 'setAttribute()' because of trouble on Chromium/Safari/IE
11080 schaersvoo 820
10/2016 corrected contex-reset-flaw when using "userdraw text,color" and added inputs to the things we can remove
11764 schaersvoo 821
7/2017 added 'userdraw clickfill,color' to removable things...one user_filling per click
11001 schaersvoo 822
*/
15111 schaersvoo 823
fprintf(js_include_file,"\n/* add clear button */\
8349 schaersvoo 824
clear_draw_area%d = function(){\
15111 schaersvoo 825
 if(typeof(fill_canvas_no) === 'number'){\
826
  var chk = document.getElementById('wims_canvas%d'+fill_canvas_no);\
827
  if( chk ){\
828
   var fill_ctx = chk.getContext(\"2d\");fill_ctx.clearRect(0,0,xsize,ysize);\
829
   fill_canvas_no--;userdraw_x.splice(p,1);userdraw_y.splice(p,1);userdraw_radius.splice(p,1);\
830
   return;\
11763 schaersvoo 831
  };\
832
 };\
11088 schaersvoo 833
 if( typeof(context_userdraw) === 'object' ){\
14270 schaersvoo 834
  while( document.getElementById(canvas_div.lastChild.id).tagName == 'DIV'){\
835
   document.getElementById(canvas_div.lastChild.id).innerHTML = null;\
836
   canvas_div.removeChild(document.getElementById(canvas_div.lastChild.id));\
837
  };\
11001 schaersvoo 838
  context_userdraw.clearRect(0,0,xsize,ysize);\
15111 schaersvoo 839
  if( typeof(userdraw_text) !== 'undefined'){ userdraw_text = []; };\
11080 schaersvoo 840
  if( document.getElementById(\"canvas_input0\") ){\
841
   var p = 0;var inp;\
842
   while( document.getElementById(\"canvas_input\"+p) ){\
843
    inp = document.getElementById(\"canvas_input\"+p);\
844
    canvas_div.removeChild(inp);\
845
    p++;\
846
   };\
847
   input_cnt = 0;start_input_cnt = 0; \
848
  };\
15111 schaersvoo 849
  userdraw_x = [];userdraw_y = [];userdraw_radius = [];xy_cnt = 0;\
11080 schaersvoo 850
 };\
14270 schaersvoo 851
 if( typeof(external_ctx) === 'object'){\
14038 schaersvoo 852
  external_ctx.clearRect(0,0,xsize,ysize);\
853
  for(var p = 0 ; p < userdraw_x.length; p++){\
854
   userdraw_x[p] = null;userdraw_y[p] = null;\
855
  };\
856
 };\
11080 schaersvoo 857
 return;\
8350 schaersvoo 858
};\
859
function add_clear_button(){\
8146 schaersvoo 860
 var tooltip_placeholder_div = document.getElementById(\"tooltip_placeholder_div%d\");\
8350 schaersvoo 861
 var button = document.createElement('input');\
9858 schaersvoo 862
 button.setAttribute(\"type\" , \"button\");\
11024 schaersvoo 863
 button.setAttribute(\"id\" , \"clearbutton%d\");\
15111 schaersvoo 864
 button.setAttribute(\"class\" , \"%s\");\
9858 schaersvoo 865
 button.setAttribute(\"value\" , \"%s\");\
8350 schaersvoo 866
 button.setAttribute(\"onclick\",\"clear_draw_area%d()\");\
867
 tooltip_placeholder_div.appendChild(button);\
8146 schaersvoo 868
};\
15111 schaersvoo 869
add_clear_button();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,css_class,button_text,canvas_root_id);
8146 schaersvoo 870
}
7858 schaersvoo 871
 
15111 schaersvoo 872
void add_color_palette(char *css_class){
873
fprintf(js_include_file,"\n/* add color palette */\
11767 schaersvoo 874
function add_color_palette(){\
875
 var tooltip_placeholder_div = document.getElementById(\"tooltip_placeholder_div%d\");\
12006 schaersvoo 876
 var clen = palettecolors.length;\
14038 schaersvoo 877
 for( var p = 0 ; p < clen ; p++ ){\
12006 schaersvoo 878
  var button = document.createElement('input');\
879
  button.setAttribute('type', 'button');\
880
  button.setAttribute('value', '  ');\
881
  button.setAttribute('id',palettecolors[p]);\
882
  button.setAttribute('style', \"%s\");\
883
  button.setAttribute('style','background-color:rgb('+palettecolors[p]+')');\
884
  button.setAttribute(\"backgroundColor\",palettecolors[p]);\
885
  button.addEventListener('mousedown',function(e){var id = this.getAttribute('id');multifillcolors[0]=id;multifillcolors[1]=id;multifillcolors[2]=id;},false);\
886
  tooltip_placeholder_div.appendChild(button);\
887
 };\
888
};\
889
add_color_palette();\
15111 schaersvoo 890
",canvas_root_id,css_class);
11767 schaersvoo 891
}
8146 schaersvoo 892
 
14230 schaersvoo 893
 
8225 bpr 894
struct colors colors[]={
7614 schaersvoo 895
 {"#FF0000","red","255,0,0"},
896
 {"#00FF00","lime","0,255,0"},
897
 {"#0000FF","blue","0,0,255"},
898
 {"#FFA500","orange","255,165,0"},
899
 {"#E9967A","darksalmon","233,150,122"},
900
 {"#F0FFFF","azure","240,255,255"},
901
 {"#CD5C5C","indianred","205,92,92"},
902
 {"#E0FFFF","lightcyan","224,255,255"},
903
 {"#FFE4E1","mistyrose","255,228,225"},
904
 {"#DC143C","crimson","220,20,60"},
905
 {"#FFC0CB","pink","255,192,203"},
906
 {"#FFD700","gold","255,215,0"},
907
 {"#E6E6FA","lavender","230,230,250"},
908
 {"#808080","gray","128,128,128"},
909
 {"#F0F8FF","aliceblue","240,248,255"},
910
 {"#C71585","mediumvioletred","199,21,133"},
911
 {"#FFF0F5","lavenderblush","255,240,245"},
912
 {"#DAA520","goldenrod","218,165,32"},
913
 {"#FFB6C1","lightpink","255,182,193"},
914
 {"#00FFFF","aqua","0,255,255"},
915
 {"#FF69B4","hotpink","255,105,180"},
916
 {"#00FFFF","cyan","0,255,255"},
917
 {"#FF1493","deeppink","255,20,147"},
918
 {"#7FFFD4","aquamarine","127,255,212"},
919
 {"#FA8072","salmon","250,128,114"},
920
 {"#DEB887","burlywood","222,184,135"},
921
 {"#DB7093","palevioletred","219,112,147"},
922
 {"#D2B48C","tan","210,180,140"},
923
 {"#BDB76B","darkkhaki","189,183,107"},
924
 {"#B22222","firebrick","178,34,34"},
925
 {"#FF4500","orangered","255,69,0"},
926
 {"#8B4513","saddlebrown","139,69,19"},
927
 {"#FF8C00","darkorange","255,140,0"},
928
 {"#FFFFE0","lightyellow","255,255,224"},
929
 {"#FFFF00","yellow","255,255,0"},
930
 {"#FFFACD","lemonchiffon","255,250,205"},
931
 {"#F5F5DC","beige","245,245,220"},
932
 {"#FFEFD5","papayawhip","255,239,213"},
933
 {"#FAFAD2","lightgoldenrodyellow","250,250,210"},
934
 {"#FFE4B5","moccasin","255,228,181"},
935
 {"#B8860B","darkgoldenrod","184,134,11"},
936
 {"#FFF8DC","cornsilk","255,248,220"},
937
 {"#FFEBCD","blanchedalmond","255,235,205"},
938
 {"#FFE4C4","bisque","255,228,196"},
939
 {"#FFDEAD","navajowhite","255,222,173"},
940
 {"#F5DEB3","wheat","245,222,179"},
941
 {"#CD853F","peru","205,133,63"},
942
 {"#D2691E","chocolate","210,105,30"},
943
 {"#A0522D","sienna","160,82,45"},
944
 {"#A52A2A","brown","165,42,42"},
945
 {"#BC8F8F","rosybrown","188,143,143"},
946
 {"#F08080","lightcoral","240,128,128"},
947
 {"#FFA07A","lightsalmon","255,160,122"},
948
 {"#8B0000","darkred","139,0,0"},
949
 {"#800000","maroon","128,0,0"},
950
 {"#FAA460","sandybrown","250,164,96"},
951
 {"#FF7F50","coral","255,127,80"},
952
 {"#FF6347","tomato","255,99,71"},
953
 {"#FFDAB9","peachpuff","255,218,185"},
954
 {"#EEE8AA","palegoldenrod","238,232,170"},
955
 {"#F0E68C","khaki","240,230,140"},
956
 {"#D8BFD8","thistle","216,191,216"},
957
 {"#DDA0DD","plum","221,160,221"},
958
 {"#FF00FF","fuchsia","255,0,255"},
959
 {"#FF00FF","magenta","255,0,255"},
960
 {"#EE82EE","violet","238,130,238"},
961
 {"#DA70D6","orchid","218,112,214"},
962
 {"#BA55D3","mediumorchid","186,85,211"},
963
 {"#9370DB","mediumpurple","147,112,219"},
964
 {"#8A2BE2","blueviolet","138,43,226"},
965
 {"#9400D3","darkviolet","148,0,211"},
966
 {"#9932CC","darkorchid","153,50,204"},
967
 {"#8B008B","darkmagenta","139,0,139"},
968
 {"#800080","purple","128,0,128"},
969
 {"#4B0082","indigo","75,0,130"},
970
 {"#483D8B","darkslateblue","72,61,139"},
971
 {"#6A5ACD","slateblue","106,90,205"},
972
 {"#7B68EE","mediumslateblue","123,104,238"},
973
 {"#98FB98","palegreen","152,251,152"},
974
 {"#ADFF2F","greenyellow","173,255,47"},
975
 {"#7FFF00","chartreuse","127,255,0"},
976
 {"#7CFC00","lawngreen","124,252,0"},
977
 {"#00FF7F","springgreen","0,255,127"},
978
 {"#00FA9A","mediumspringgreen","0,250,154"},
979
 {"#90EE90","lightgreen","144,238,144"},
980
 {"#32CD32","limegreen","50,205,50"},
981
 {"#3CB371","mediumseagreen","60,179,113"},
982
 {"#2E8B57","seagreen","46,139,87"},
983
 {"#228B22","forestgreen","34,139,34"},
984
 {"#008000","green","0,128,0"},
985
 {"#006400","darkgreen","0,100,0"},
986
 {"#9ACD32","yellowgreen","154,205,50"},
987
 {"#6B8E23","olivedrab","107,142,35"},
988
 {"#808000","olive","128,128,0"},
989
 {"#556B2F","darkolivegreen","85,107,47"},
990
 {"#8FBC8F","darkseagreen","143,188,143"},
991
 {"#66CDAA","mediumaquamarine","102,205,170"},
992
 {"#20B2AA","lightseagreen","32,178,170"},
993
 {"#008B8B","darkcyan","0,139,139"},
994
 {"#008080","teal","0,128,128"},
995
 {"#AFEEEE","paleturquoise","175,238,238"},
996
 {"#40E0D0","turquoise","64,224,208"},
997
 {"#48D1CC","mediumturquoise","72,209,204"},
998
 {"#00CED1","darkturquoise","0,206,209"},
999
 {"#5F9EA0","cadetblue","95,158,160"},
1000
 {"#4682B4","steelblue","70,130,180"},
1001
 {"#B0C4DE","lightsteelblue","176,196,222"},
1002
 {"#B0E0E6","powderblue","176,224,230"},
1003
 {"#ADD8E6","lightblue","173,216,230"},
1004
 {"#87CEEB","skyblue","135,206,235"},
1005
 {"#87CEFA","lightskyblue","135,206,250"},
1006
 {"#00BFFF","deepskyblue","0,191,255"},
1007
 {"#1E90FF","dodgerblue","30,144,255"},
1008
 {"#6495ED","cornflowerblue","100,149,237"},
1009
 {"#4169E1","royalblue","65,105,225"},
1010
 {"#0000CD","mediumblue","0,0,205"},
1011
 {"#00008B","darkblue","0,0,139"},
1012
 {"#000080","navy","0,0,128"},
1013
 {"#191970","midnightblue","25,25,112"},
1014
 {"#DCDCDC","gainsboro","220,220,220"},
1015
 {"#D3D3D3","lightgrey","211,211,211"},
1016
 {"#808080","grey","128,128,128"},
1017
 {"#C0C0C0","silver","192,192,192"},
1018
 {"#A9A9A9","darkgray","169,169,169"},
1019
 {"#778899","lightslategray","119,136,153"},
1020
 {"#708090","slategray","112,128,144"},
1021
 {"#696969","dimgray","105,105,105"},
1022
 {"#2F4F4F","darkslategray","47,79,79"},
11877 schaersvoo 1023
 {"#0a0a0a","black","10,10,10"},
7614 schaersvoo 1024
 {"#F5FFFA","mintcream","245,255,250"},
1025
 {"#FFFFFF","white","255,255,255"},
1026
 {"#F0FFF0","honeydew","240,255,240"},
1027
 {"#F5F5F5","whitesmoke","245,245,245"},
1028
 {"#F8F8FF","ghostwhite","248,248,255"},
1029
 {"#FFFFF0","ivory","255,255,240"},
1030
 {"#FFFAFA","snow","255,250,250"},
1031
 {"#FFFAF0","floralwhite","255,250,240"},
1032
 {"#FFF5EE","seashell","255,245,238"},
1033
 {"#FDF5E6","oldlace","253,245,230"},
1034
 {"#FAF0E6","linen","250,240,230"},
1035
 {"#FAEBD7","antiquewhite","250,235,215"},
1036
 };
8225 bpr 1037
int NUMBER_OF_COLORNAMES=(sizeof(colors)/sizeof(colors[0]));
7858 schaersvoo 1038
 
11005 schaersvoo 1039
/* 10/2016 does not react to border color !! just any border will stop the filling */
15111 schaersvoo 1040
void add_js_filltoborder(int canvas_type){
1041
fprintf(js_include_file,"\n/* command filltoborder */\
1042
function filltoborder(xs,ys,bordercolors,colors,fill_canvas_no,use_special_filling,fill_ctx){\
11820 schaersvoo 1043
 document.body.style.cursor = 'wait';\
8199 schaersvoo 1044
 var canvas = document.getElementById(\"wims_canvas%d%d\");\
1045
 if( ! canvas ){ return; };\
11817 schaersvoo 1046
 document.body.style.cursor = 'wait';\
8199 schaersvoo 1047
 var ctx = canvas.getContext(\"2d\");\
1048
 ctx.save();\
1049
 xs = x2px(xs);\
1050
 ys = y2px(ys);\
15111 schaersvoo 1051
 if( xs <= 0 || xs >= xsize || ys <= 0 || ys >= ysize ){ document.body.style.cursor = 'default';return; };\
8098 schaersvoo 1052
 var image = ctx.getImageData(0, 0, xsize, ysize);\
1053
 var imageData = image.data;\
1054
 var pixelStack = [[xs, ys]];\
1055
 var px1;\
1056
 var newPos;\
1057
 var pixelPos;\
1058
 var found_left_border;\
1059
 var found_right_border;\
15111 schaersvoo 1060
 var fill_image;\
1061
 var fill_data;\
1062
 var _setPixel;\
1063
 function finish_filling(){\
1064
  if(document.getElementById(\"wims_canvas%d\"+fill_canvas_no)){\
1065
  console.log('dit canvas nummer '+fill_canvas_no+' bestaat al');\
1066
  }else{\
1067
   var fill_canvas = create_canvas%d(fill_canvas_no,xsize,ysize);\
1068
   var fill_canvas_ctx = fill_canvas.getContext(\"2d\");\
1069
   fill_canvas_ctx.clearRect(0,0,xsize,ysize);\
1070
   fill_canvas_ctx.putImageData(image, 0, 0);\
1071
  };\
1072
  document.body.style.cursor = 'default';\
1073
  return;\
1074
 };\
8098 schaersvoo 1075
 function _getPixel(pixelPos){\
1076
  return {r:imageData[pixelPos], g:imageData[pixelPos+1], b:imageData[pixelPos+2], a:imageData[pixelPos+3]};\
11820 schaersvoo 1077
 };\
1078
 if( use_special_filling ){\
15111 schaersvoo 1079
  fill_image = fill_ctx.getImageData(0, 0, xsize, ysize);\
1080
  fill_data = fill_image.data;\
11817 schaersvoo 1081
  _setPixel = function(pixelPos){\
11820 schaersvoo 1082
   var n;var o;\
1083
   for(var p = 0;p < 3; p++){\
1084
    n = fill_data[pixelPos+p];\
1085
    o = imageData[pixelPos+p];\
1086
    if( n != o ){ imageData[pixelPos+p] = n; } else { if( o == 255 ){ o = 253;} imageData[pixelPos+p] = o+1;};\
1087
   };\
1088
   imageData[pixelPos+3] = 255;\
1089
  };\
1090
 }\
1091
 else\
1092
 {\
1093
  _setPixel = function(pixelPos){\
11817 schaersvoo 1094
   imageData[pixelPos] = color.r;\
1095
   imageData[pixelPos+1] = color.g;\
1096
   imageData[pixelPos+2] = color.b;\
1097
   imageData[pixelPos+3] = color.a;\
11820 schaersvoo 1098
  };\
1099
 };\
8098 schaersvoo 1100
 function _comparePixel(px2){\
11023 schaersvoo 1101
  if(px2.r === px1.r && px2.g === px1.g && px2.b === px1.b ){ return true;};\
1102
  return false;\
8098 schaersvoo 1103
 };\
1104
 px1 = _getPixel(((ys * xsize) + xs) * 4);\
15111 schaersvoo 1105
 var color = {\
1106
  r: parseInt(colors[0], 10),\
1107
  g: parseInt(colors[1], 10),\
1108
  b: parseInt(colors[2], 10),\
1109
  a: parseInt(colors[3] || 255, 10)\
8199 schaersvoo 1110
 };\
15111 schaersvoo 1111
 var bordercolor = {\
1112
  r: parseInt(bordercolors[0], 10),\
1113
  g: parseInt(bordercolors[1], 10),\
1114
  b: parseInt(bordercolors[2], 10),\
1115
  a: parseInt(bordercolors[3] || 255, 10)\
8098 schaersvoo 1116
 };\
15111 schaersvoo 1117
 if( _comparePixel(color) ) { return true; };\
1118
var cnt=0;\
1119
var max=(xsize)*(ysize);\
1120
function fill_me_up(){\
8098 schaersvoo 1121
 while (pixelStack.length) {\
1122
  newPos = pixelStack.pop();\
1123
  xs = newPos[0];ys = newPos[1];\
1124
  pixelPos = (ys*xsize + xs) * 4;\
11023 schaersvoo 1125
  while(ys >= 0 && _comparePixel(_getPixel(pixelPos))){\
1126
   ys -= 1;\
8098 schaersvoo 1127
   pixelPos -= xsize * 4;\
15111 schaersvoo 1128
  };\
8098 schaersvoo 1129
  pixelPos += xsize * 4;\
11023 schaersvoo 1130
  ys += 1;\
8098 schaersvoo 1131
  found_left_border = false;\
1132
  found_right_border = false;\
15111 schaersvoo 1133
  while( ys <= ysize-1 && _comparePixel(_getPixel(pixelPos)) ){\
1134
   cnt++;if(cnt>max){console.log('kap er mee');finish_filling();};\
11023 schaersvoo 1135
   ys += 1;\
8098 schaersvoo 1136
   _setPixel(pixelPos);\
11005 schaersvoo 1137
   if( xs > 1 ){\
8098 schaersvoo 1138
    if( _comparePixel(_getPixel(pixelPos - 4)) ){\
1139
    if( !found_left_border ){\
1140
     pixelStack.push( [xs - 1, ys] );\
1141
     found_left_border = true;\
11023 schaersvoo 1142
    };\
8098 schaersvoo 1143
   }\
1144
   else if( found_left_border ){\
1145
     found_left_border = false;\
15111 schaersvoo 1146
    };\
1147
   };\
11005 schaersvoo 1148
   if( xs < xsize - 1 ){\
8098 schaersvoo 1149
    if( _comparePixel(_getPixel(pixelPos + 4)) ){\
1150
     if( !found_right_border){\
1151
      pixelStack.push( [xs + 1, ys] );\
1152
      found_right_border = true;\
15111 schaersvoo 1153
     };\
8098 schaersvoo 1154
    }\
1155
    else if(found_right_border){\
1156
      found_right_border = false;\
15111 schaersvoo 1157
     };\
1158
    };\
8098 schaersvoo 1159
   pixelPos += xsize * 4;\
15111 schaersvoo 1160
  };\
11820 schaersvoo 1161
 };\
15111 schaersvoo 1162
};\
1163
fill_me_up();\
1164
finish_filling();\
1165
return;\
1166
};",canvas_root_id,canvas_type,canvas_root_id,canvas_root_id);
8074 schaersvoo 1167
}
8083 schaersvoo 1168
 
15111 schaersvoo 1169
void add_js_ruler(double x,double y,double sizex,double sizey,char *font,
9289 schaersvoo 1170
char *stroke_color,double stroke_opacity,char *fill_color,double fill_opacity,
14057 schaersvoo 1171
int line_width,int dynamic,int use_snap){
15111 schaersvoo 1172
 fprintf(js_include_file,"\n/* command ruler */\
9289 schaersvoo 1173
 var ruler_data = new Array(3);\
1174
 var ruler%d = function(){\
14057 schaersvoo 1175
  var use_snap = %d;\
9289 schaersvoo 1176
  var full = 2*Math.PI;\
1177
  var once = true;\
1178
  var canvas = create_canvas%d(3000,xsize,ysize);\
1179
  var ctx = canvas.getContext(\"2d\");\
1180
  var canvas_temp =  document.createElement(\"canvas\");\
1181
  var size_x = xsize*(%f)/(xmax - xmin);\
1182
  var size_y = ysize*(%f)/(ymax - ymin);\
1183
  var dx = xsize/(xmax - xmin);\
1184
  var dy = 0.8*ysize/(ymax - ymin);\
1185
  canvas_temp.width = xsize;\
1186
  canvas_temp.height = ysize;\
1187
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1188
  var xcenter = x2px(%f);\
1189
  var ycenter = y2px(%f);\
1190
  var ruler_x = xcenter;\
1191
  var ruler_y = ycenter;\
1192
  ctx_temp.font = \"%s\";\
1193
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1194
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1195
  ctx_temp.lineWidth = %d;\
1196
  ctx_temp.save();\
1197
  if(once){\
1198
   ctx_temp.beginPath();\
1199
   ctx_temp.moveTo(ruler_x,ruler_y);\
1200
   ctx_temp.lineTo(ruler_x+size_x,ruler_y);\
1201
   ctx_temp.lineTo(ruler_x+size_x,ruler_y-size_y);\
1202
   ctx_temp.lineTo(ruler_x,ruler_y-size_y);\
1203
   ctx_temp.lineTo(ruler_x,ruler_y);\
1204
   ctx_temp.closePath();\
1205
   ctx_temp.fill();\
1206
   ctx_temp.stroke();\
1207
   ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1208
   var txtsize;\
1209
   var num = 1;\
1210
   for(var p = dx ; p < size_x ; p = p+dx){\
1211
     txtsize = 0.5*(ctx_temp.measureText(num).width);\
1212
     ctx_temp.fillText(num,ruler_x + p -txtsize,ruler_y - 0.9*dy);\
1213
     num++;\
1214
   };\
1215
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.6)\";\
1216
   ctx_temp.lineWidth = 2;\
1217
   for(var p = 0; p < size_x ; p = p+dx){\
1218
    ctx_temp.beginPath();\
1219
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1220
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.8*dy);\
1221
    ctx_temp.closePath();\
1222
    ctx_temp.stroke();\
1223
   };\
1224
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.6)\";\
1225
   ctx_temp.lineWidth = 1;\
1226
   for(var p = 0; p < size_x ; p = p+0.5*dx){\
1227
    ctx_temp.beginPath();\
1228
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1229
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.6*dy);\
1230
    ctx_temp.closePath();\
1231
    ctx_temp.stroke();\
1232
   };\
1233
   ctx_temp.strokeStyle = \"rgba(255,0,0,0.6)\";\
1234
   ctx_temp.lineWidth = 0.5;\
1235
   for(var p = 0; p < size_x ; p = p+0.1*dx){\
1236
    ctx_temp.beginPath();\
1237
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1238
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.4*dy);\
1239
    ctx_temp.closePath();\
1240
    ctx_temp.stroke();\
1241
   };\
1242
   ctx_temp.drawImage(canvas,ruler_x,ruler_y);\
1243
   once = false;\
14057 schaersvoo 1244
  }",canvas_root_id,use_snap,canvas_root_id,sizex,sizey,x,y,font,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width);
15111 schaersvoo 1245
 
9289 schaersvoo 1246
 if( dynamic == -1 ){
1247
 fprintf(js_include_file,"\
1248
 ctx.drawImage(canvas_temp,0,0);\
1249
   if(wims_status != \"done\"){\
1250
    canvas_div.addEventListener( 'mouseup'   , ruler_stop,false);\
1251
    canvas_div.addEventListener( 'mousedown' , ruler_start,false);\
1252
    canvas_div.addEventListener( 'mousemove' , ruler_move,false);\
11002 schaersvoo 1253
    canvas_div.addEventListener( 'touchstart', function(e){ e.preventDefault();ruler_start(e.changedTouches[0]);},false);\
1254
    canvas_div.addEventListener( 'touchmove', function(e){ e.preventDefault();ruler_move(e.changedTouches[0]);},false);\
1255
    canvas_div.addEventListener( 'touchend', function(e){ e.preventDefault();ruler_stop(e.changedTouches[0]);},false);\
9289 schaersvoo 1256
   };\
1257
   function ruler_stop(evt){\
1258
    ruler_data[0] = ruler_x;\
1259
    ruler_data[1] = ruler_y;\
1260
    ruler_data[2] = angle;\
1261
    return;\
1262
   };\
15111 schaersvoo 1263
   var ruler_object_cnt = 0;\
9289 schaersvoo 1264
   function ruler_start(evt){\
15111 schaersvoo 1265
    var mouse = getMouse(evt,canvas);\
11002 schaersvoo 1266
    var mouse_y = mouse.y;\
1267
    if( mouse_y > ysize - 20 ){return;};\
1268
    var mouse_x = mouse.x;\
1269
    if( mouse_x > ruler_x - 50 && mouse_x < ruler_x + size_x + 50){\
1270
     if( mouse_y > ruler_y - 50 && mouse_y < ruler_y + size_y + 50){\
15111 schaersvoo 1271
      ruler_object_cnt++;\
11002 schaersvoo 1272
      ruler_move(evt);\
1273
      return;\
1274
     };\
15111 schaersvoo 1275
    }else{ruler_object_cnt = 0; return;};\
9289 schaersvoo 1276
   };\
1277
   var angle = 0;\
1278
   function ruler_move(evt){\
15111 schaersvoo 1279
    var mouse = getMouse(evt,canvas);\
1280
    switch(ruler_object_cnt){\
9289 schaersvoo 1281
     case 1:\
1282
      angle = 0;\
14057 schaersvoo 1283
      var xy = multisnap_check(mouse.x,mouse.y,use_snap);\
1284
      ruler_y = xy[1];\
9289 schaersvoo 1285
      if( ruler_y > ysize - 20 ){ruler_y = 0.5*ysize;ruler_x = 0.5*xsize;return;};\
14057 schaersvoo 1286
      ruler_x = xy[0];\
9289 schaersvoo 1287
      ctx.clearRect(0,0,xsize,ysize);\
1288
      ctx.save();\
1289
      ctx.translate(ruler_x - xcenter,ruler_y - ycenter);\
1290
      ctx.drawImage(canvas_temp,0,0);\
1291
      ctx.restore();\
1292
      break;\
1293
     case 2:\
11017 schaersvoo 1294
      angle = find_angle(ruler_x,ruler_y,mouse.x,mouse.y);\
9289 schaersvoo 1295
      ctx.clearRect(0,0,xsize,ysize);\
1296
      ctx.save();\
1297
      ctx.translate(ruler_x,ruler_y);\
1298
      ctx.rotate(angle);\
1299
      ctx.translate( -1*xcenter, -1*ycenter );\
1300
      ctx.drawImage( canvas_temp,0,0 );\
1301
      ctx.restore();\
11017 schaersvoo 1302
      userdraw_radius[0] = 2*Math.PI - angle;\
9289 schaersvoo 1303
      break;\
15111 schaersvoo 1304
     case 3:ruler_object_cnt = 0;break;\
9289 schaersvoo 1305
     default:ruler_stop(evt);break;\
1306
    };\
1307
   };\
1308
  };\
15111 schaersvoo 1309
  ruler%d();",canvas_root_id);
9289 schaersvoo 1310
 }
1311
 else
1312
 {
1313
  fprintf(js_include_file,"\
1314
   ctx.clearRect(0,0,xsize,ysize);\
1315
   ctx.save();\
1316
   ctx.translate(ruler_x,ruler_y);\
1317
   ctx.rotate(%d*Math.PI/180);\
1318
   ctx.translate( -1*xcenter, -1*ycenter );\
1319
   ctx.drawImage( canvas_temp,0,0 );\
1320
   ctx.restore();\
1321
  };\
1322
  ruler%d();",dynamic,canvas_root_id);
1323
 }
1324
}
1325
 
15111 schaersvoo 1326
void add_js_protractor(int type,double xcenter,double ycenter,int size,char *font,char *stroke_color,double stroke_opacity,char *fill_color,double fill_opacity,int line_width,int use_scale,int dynamic,int use_snap){
9289 schaersvoo 1327
 
1328
/*
1329
use_slider_display = 2 : angle in degrees
1330
use_slider_display = 3 : angle in radians
1331
void add_slider_display(FILE *js_include_file,int canvas_root_id,int precision,int font_size,char *font_color,double stroke_opacity){
1332
*/
1333
 
1334
if( type == 1 ){ /* geodriehoek */
15111 schaersvoo 1335
 fprintf(js_include_file,"\n/* command protractor type 1 */\
9289 schaersvoo 1336
 var protractor_data = new Array(3);\
1337
 var protractor%d = function(){\
1338
  var once = true;\
14057 schaersvoo 1339
  var use_snap = %d;\
9289 schaersvoo 1340
  var full = 2*Math.PI;\
1341
  var canvas = create_canvas%d(2000,xsize,ysize);\
1342
  var ctx = canvas.getContext(\"2d\");\
1343
  var canvas_temp =  document.createElement(\"canvas\");\
1344
  var size = parseInt(xsize*(%d)/(xmax - xmin));\
1345
  canvas_temp.width = xsize;\
1346
  canvas_temp.height = ysize;\
1347
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1348
  var type = %d;\
1349
  var xcenter = x2px(%f);\
1350
  var ycenter = y2px(%f);\
1351
  var half = 0.5*size;\
1352
  var radius1 = 0.6*half;\
1353
  var radius2 = 0.65*half;\
1354
  var radius3 = 0.7*half;\
1355
  ctx_temp.font = \"%s\";\
1356
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1357
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1358
  ctx_temp.lineWidth =%d;\
1359
  var use_scale = %d;\
1360
  if( once ){\
1361
   ctx_temp.clearRect(0,0,canvas_temp.width,canvas_temp.height);\
1362
   ctx_temp.beginPath();\
1363
   ctx_temp.moveTo(xcenter-half,ycenter );\
1364
   ctx_temp.lineTo(xcenter,ycenter-half);\
1365
   ctx_temp.lineTo(xcenter+half,ycenter);\
1366
   ctx_temp.lineTo(xcenter-half,ycenter);\
1367
   ctx_temp.moveTo(xcenter,ycenter );\
1368
   ctx_temp.lineTo(xcenter+0.5*half,ycenter-0.5*half);\
1369
   ctx_temp.moveTo(xcenter,ycenter );\
1370
   ctx_temp.lineTo(xcenter-0.5*half,ycenter-0.5*half);\
1371
   ctx_temp.moveTo(xcenter,ycenter );\
1372
   ctx_temp.lineTo(xcenter,ycenter-half);\
1373
   ctx_temp.closePath();\
1374
   ctx_temp.fill();\
1375
   ctx_temp.stroke();\
1376
   ctx_temp.beginPath();\
1377
   ctx_temp.arc(xcenter,ycenter,radius1,0,Math.PI,false);\
1378
   ctx_temp.closePath();\
1379
   if( use_scale == 1 ){\
1380
    ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1381
    var txtsize;\
1382
    for(var p = 45 ; p < 180;p = p+45){\
1383
     txtsize = 0.5*(ctx_temp.measureText(p).width);\
1384
     ctx_temp.fillText(p,xcenter+0.5*half*Math.cos(p*Math.PI/180) - txtsize,ycenter-0.5*half*Math.sin(p*Math.PI/180));\
1385
    };\
1386
   };\
1387
   for(var p = 10 ; p < 180;p = p+10){\
1388
    ctx_temp.beginPath();\
1389
    ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1390
    ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1391
    ctx_temp.closePath();\
1392
    ctx_temp.stroke();\
1393
   };\
1394
   for(var p = 0 ; p < 180;p=p+2){\
1395
    if(p%%10 != 0){\
1396
     ctx_temp.beginPath();\
1397
     ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1398
     ctx_temp.lineTo(xcenter+radius2*Math.cos(p*Math.PI/180),ycenter-radius2*Math.sin(p*Math.PI/180));\
1399
     ctx_temp.closePath();\
1400
     ctx_temp.stroke();\
1401
    };\
1402
   };\
1403
   ctx_temp.drawImage(canvas,xcenter,ycenter);\
1404
   ctx_temp.save();\
1405
   once = false;\
1406
  };\
14057 schaersvoo 1407
  ",canvas_root_id,use_snap,canvas_root_id,size,type,xcenter,ycenter,font,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width,use_scale);
9289 schaersvoo 1408
}
1409
 
11002 schaersvoo 1410
if( type != 1 ){
15111 schaersvoo 1411
 fprintf(js_include_file,"\n/* command protractor type 0 */\
9289 schaersvoo 1412
 var protractor_data = new Array(3);\
1413
 var protractor%d = function(){\
1414
  var once = true;\
14057 schaersvoo 1415
  var use_snap = %d;\
9289 schaersvoo 1416
  var full = 2*Math.PI;\
1417
  var canvas = create_canvas%d(2000,xsize,ysize);\
1418
  var ctx = canvas.getContext(\"2d\");\
1419
  var canvas_temp =  document.createElement(\"canvas\");\
1420
  var size = parseInt(xsize*(%d)/(xmax - xmin));\
1421
  canvas_temp.width = xsize;\
1422
  canvas_temp.height = ysize;\
1423
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1424
  var type = %d;\
1425
  var xcenter = x2px(%f);\
1426
  var ycenter = y2px(%f);\
1427
  var half = 0.5*size;\
1428
  var radius1 = 0.8*half;\
1429
  var radius2 = 0.9*half;\
1430
  var radius3 = half;\
1431
  ctx_temp.font = \"%s\";\
1432
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1433
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1434
  ctx_temp.lineWidth =%d;\
1435
  var use_scale = %d;\
1436
  if( once ){\
1437
   ctx_temp.clearRect(0,0,xsize,ysize);\
1438
   ctx_temp.arc(xcenter,ycenter,radius1,0,2*Math.PI,false);\
1439
   ctx_temp.arc(xcenter,ycenter,radius2,0,2*Math.PI,false);\
1440
   ctx_temp.arc(xcenter,ycenter,radius3,0,2*Math.PI,false);\
1441
   ctx_temp.fill();\
1442
   ctx_temp.stroke();\
1443
   if( use_scale == 1 ){\
1444
    ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1445
    var txtsize;\
1446
    for(var p = 0 ; p < 360;p = p+45){\
1447
     txtsize = 0.5*(ctx_temp.measureText(p).width);\
1448
     ctx_temp.fillText(p,xcenter+0.6*half*Math.cos(p*Math.PI/180) - txtsize,ycenter-0.6*half*Math.sin(p*Math.PI/180));\
1449
    };\
1450
   };\
1451
   ctx_temp.strokeStyle = \"rgba(255,0,0,0.4)\";\
1452
   for(var p = 0 ; p < 360;p = p+10){\
1453
    ctx_temp.beginPath();\
1454
    ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1455
    ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1456
    ctx_temp.closePath();\
1457
    ctx_temp.stroke();\
1458
   };\
1459
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.4)\";\
1460
   for(var p = 0 ; p < 360;p=p+2){\
1461
     ctx_temp.beginPath();\
1462
     ctx_temp.moveTo(xcenter+radius2*Math.cos(p*Math.PI/180),ycenter-radius2*Math.sin(p*Math.PI/180));\
1463
     ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1464
     ctx_temp.closePath();\
1465
     ctx_temp.stroke();\
1466
   };\
1467
   ctx_temp.strokeStyle = \"rgba(0,0,0,0.6)\";\
1468
   for(var p = 0 ; p < 360;p=p+45){\
1469
     ctx_temp.beginPath();\
1470
     ctx_temp.moveTo(xcenter,ycenter);\
1471
     ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1472
     ctx_temp.closePath();\
1473
     ctx_temp.stroke();\
1474
   };\
1475
   ctx_temp.drawImage(canvas,0,0);\
1476
   ctx_temp.save();\
1477
   once = false;\
15111 schaersvoo 1478
  };",canvas_root_id,use_snap,canvas_root_id,size,type,xcenter,ycenter,font,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width,use_scale);
11017 schaersvoo 1479
}
1480
if( dynamic == -1 ){ /* rotate the protractors */
9289 schaersvoo 1481
 fprintf(js_include_file,"\
1482
  var protractor_x = xcenter;\
1483
  var protractor_y = ycenter;\
1484
  ctx.drawImage(canvas_temp,0,0);\
11017 schaersvoo 1485
  var angle = 0;\
9289 schaersvoo 1486
  if(wims_status != \"done\"){\
1487
   canvas_div.addEventListener( 'mouseup'   , protractor_stop,false);\
1488
   canvas_div.addEventListener( 'mousedown' , protractor_start,false);\
1489
   canvas_div.addEventListener( 'mousemove' , protractor_move,false);\
11002 schaersvoo 1490
   canvas_div.addEventListener( 'touchstart', function(e){ e.preventDefault();protractor_start(e.changedTouches[0]);},false);\
1491
   canvas_div.addEventListener( 'touchmove', function(e){ e.preventDefault();protractor_move(e.changedTouches[0]);},false);\
1492
   canvas_div.addEventListener( 'touchend', function(e){ e.preventDefault();protractor_stop(e.changedTouches[0]);},false);\
9289 schaersvoo 1493
  };\
1494
  function protractor_stop(evt){\
1495
   protractor_data[0] = protractor_x;\
1496
   protractor_data[1] = protractor_y;\
1497
   protractor_data[2] = angle;\
1498
   return;\
1499
  };\
15111 schaersvoo 1500
  var protractor_object_cnt = 0;\
9289 schaersvoo 1501
  function protractor_start(evt){\
15111 schaersvoo 1502
   var mouse = getMouse(evt,canvas);\
11002 schaersvoo 1503
   var mouse_y = mouse.y;\
1504
   if( mouse_y > ysize - 20 ){return;};\
1505
   var mouse_x = mouse.x;\
1506
   if( mouse_x > protractor_x - half && mouse_x < protractor_x + half ){\
1507
    if( mouse_y > protractor_y - half && mouse_y < protractor_y + half ){\
15111 schaersvoo 1508
     protractor_object_cnt++;\
11002 schaersvoo 1509
     protractor_move(evt);\
1510
     return;\
1511
    };\
15111 schaersvoo 1512
   }else{protractor_object_cnt = 0; return;};\
9289 schaersvoo 1513
  };\
1514
  function protractor_move(evt){\
15111 schaersvoo 1515
   var mouse = getMouse(evt,canvas);\
1516
   switch(protractor_object_cnt){\
9289 schaersvoo 1517
    case 1:\
14057 schaersvoo 1518
      var xy = multisnap_check(mouse.x,mouse.y,use_snap);\
1519
      mouse.x = xy[0];\
1520
      mouse.y = xy[1];\
9289 schaersvoo 1521
      angle = 0;\
14057 schaersvoo 1522
      protractor_x = mouse.x;\
11002 schaersvoo 1523
      protractor_y = mouse.y;\
9289 schaersvoo 1524
      if( protractor_y > ysize - 20 ){protractor_y = 0.5*ysize;protractor_x = 0.5*xsize;return;};\
1525
      ctx.clearRect(0,0,xsize,ysize);\
1526
      ctx.save();\
1527
      ctx.translate(protractor_x - xcenter,protractor_y - ycenter);\
1528
      ctx.drawImage(canvas_temp,0,0);\
1529
      ctx.restore();\
1530
      break;\
1531
    case 2:\
11017 schaersvoo 1532
     angle = find_angle(protractor_x,protractor_y,mouse.x,mouse.y);\
9289 schaersvoo 1533
     ctx.clearRect(0,0,xsize,ysize);\
1534
     ctx.save();\
1535
     ctx.translate(protractor_x,protractor_y);\
1536
     ctx.rotate(angle);\
1537
     ctx.translate( -1*xcenter, -1*ycenter );\
1538
     ctx.drawImage( canvas_temp,0,0 );\
1539
     ctx.restore();\
11017 schaersvoo 1540
     userdraw_radius[0] =2*Math.PI- angle;\
9289 schaersvoo 1541
     break;\
15111 schaersvoo 1542
    case 3:protractor_object_cnt = 0;break;\
9289 schaersvoo 1543
    default:protractor_stop(evt);\
1544
   };\
1545
  };\
1546
 };\
15111 schaersvoo 1547
 protractor%d();",canvas_root_id);
15313 schaersvoo 1548
 
9289 schaersvoo 1549
}
1550
else
1551
{
1552
 fprintf(js_include_file,"\
1553
  ctx.save();\
1554
  ctx.translate(xcenter,ycenter);\
1555
  ctx.rotate(%d*Math.PI/180);\
1556
  ctx.translate( -1*xcenter, -1*ycenter );\
1557
  ctx.drawImage( canvas_temp,0,0 );\
1558
  ctx.restore();\
1559
 };\
1560
 protractor%d();\
1561
",dynamic,canvas_root_id);
1562
} /* end dynamic == -1*/
1563
 
1564
}
9329 schaersvoo 1565
 
14038 schaersvoo 1566
 
1567
 
14044 schaersvoo 1568