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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);\
16844 bpr 9
 } else {\
8448 schaersvoo 10
  obj = create_canvas%d(canvas_type,xsize,ysize);\
11
 };\
12
 var ctx = obj.getContext(\"2d\");\
15313 schaersvoo 13
 ctx.font =\"20px Arial\";\
8448 schaersvoo 14
 ctx.textAlign = \"right\";\
9406 schaersvoo 15
 ctx.fillStyle=\"rgba(%s,%f)\";\
8448 schaersvoo 16
 ctx.fillText(\"+\",xsize,ysize);\
15111 schaersvoo 17
 ctx.fillText(\"\\u2212\",xsize - 15,ysize-2);\
8448 schaersvoo 18
 ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
19
 ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
20
 ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
21
 ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
11002 schaersvoo 22
 ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
8448 schaersvoo 23
 ctx.stroke();\
15111 schaersvoo 24
};draw_zoom_buttons();",BG_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id,stroke_color,stroke_opacity);
8448 schaersvoo 25
}
26
 
15111 schaersvoo 27
void add_js_popup(char *getfile_cmd){
14094 schaersvoo 28
fprintf(stdout,"\n<!-- begin command popup %d -->\n\
16844 bpr 29
<script>\n\
14038 schaersvoo 30
if( wims_status != 'done'){\
31
 var popup = window.open('','','toolbar=no,scrollbars=yes,menubar=no,location=no,resizable=yes,top=4,left=4,status=no, width = %dpx, height = %dpx');\
32
 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>\";\
33
 popup.document.write(popupHTML);\
34
 var s0 = popup.document.createElement(\"script\");\
35
 s0.text=\"var wims_status = window.opener.wims_status; var use_dragdrop_reply = window.opener.use_dragdrop_reply;window.opener.canvas_scripts.push('%d');\";\
36
 popup.document.getElementsByTagName(\"HEAD\")[0].appendChild(s0);\
37
 var s1 = popup.document.createElement(\"script\");\
38
 s1.src = \"%s\";\
39
 popup.document.getElementsByTagName(\"HEAD\")[0].appendChild(s1);\
40
 popup.document.close();\
16844 bpr 41
 } else {\
42
  var canvas_div = document.getElementById('canvas_div%d');\
43
  canvas_div.style.display='block';\
15111 schaersvoo 44
 };\n</script>\n<!-- end command popup %d -->\n",
9329 schaersvoo 45
canvas_root_id,
9333 schaersvoo 46
xsize+40,ysize+40,
9329 schaersvoo 47
xsize,ysize,
48
canvas_root_id,
49
canvas_root_id,
50
canvas_root_id,
51
canvas_root_id,
52
getfile_cmd,
9331 schaersvoo 53
canvas_root_id,
9329 schaersvoo 54
canvas_root_id);
55
}
56
 
15111 schaersvoo 57
void add_js_tooltip(char *tooltip_text,char *bgcolor){
14062 schaersvoo 58
fprintf(stdout,"\n<!-- begin command intooltip %d -->\n\
16844 bpr 59
<script>\n\
7614 schaersvoo 60
var xsize = %d;\
61
var ysize = %d;\
62
var tooltip%d_obj_x = 0;\
63
var tooltip%d_obj_y = 0;\
64
var tooltip%d_flipflop = 0;\
65
var tooltip%d_obj = document.getElementById(\"canvas_div%d\");\
66
tooltip%d_obj.style.display=\"none\";\
67
tooltip%d_obj.style.position=\"absolute\";\
68
var tooltip%d_link = document.createElement(\"a\");\
69
tooltip%d_link.addEventListener(\"mousemove\",tooltip%d_drag,false);\
70
tooltip%d_link.setAttribute(\"onclick\",\"tooltip%d_show()\");\
71
tooltip%d_link.innerHTML  = \"%s\";\
72
var tooltip_placeholder = document.getElementById(\"tooltip_placeholder%d\");\
73
tooltip_placeholder.style.display=\"block\";\
74
tooltip_placeholder.style.position=\"absolute\";\
75
tooltip_placeholder.style.backgroundColor=\"%s\";\
76
tooltip_placeholder.appendChild(tooltip%d_link);\
77
function tooltip%d_drag(action){\
14038 schaersvoo 78
 if(!action){ action = event; };\
7614 schaersvoo 79
 if(action.clientX){\
80
  tooltip%d_obj.style.left = (tooltip%d_mouseX(action) + 10) +\"px\";\
81
  var ytop = tooltip%d_mouseY(action);\
82
  if(ytop + ysize < window.innerHeight){\
83
   tooltip%d_obj.style.top = (ytop - 10) +\"px\";\
16844 bpr 84
  } else {\
7614 schaersvoo 85
   tooltip%d_obj.style.top = parseInt(ytop - 0.8*ysize) +\"px\";\
14038 schaersvoo 86
  };\
16844 bpr 87
 } else {\
7614 schaersvoo 88
  return null;\
14038 schaersvoo 89
 };\
90
};\
7614 schaersvoo 91
function tooltip%d_mouseX(action){\
92
 if(action.pageX){\
93
  return action.pageX;\
16844 bpr 94
 } else {\
7614 schaersvoo 95
  if(action.clientX){\
96
   return action.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
16844 bpr 97
  } else {\
7614 schaersvoo 98
   return null;\
14038 schaersvoo 99
  };\
100
 };\
101
};\
7614 schaersvoo 102
function tooltip%d_mouseY(action){\
103
 if(action.pageY){\
104
  return action.pageY;\
16844 bpr 105
 } else {\
7614 schaersvoo 106
  if(action.clientY){\
107
   return action.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop :document.body.scrollTop);\
16844 bpr 108
  } else {\
7614 schaersvoo 109
   return null;\
14038 schaersvoo 110
  };\
111
 };\
112
};\
7614 schaersvoo 113
function tooltip%d_show(){\
114
 if(tooltip%d_flipflop == 0){\
115
  tooltip%d_obj.style.display = \"block\";\
116
  tooltip%d_flipflop = 1;\
16844 bpr 117
 } else {\
7614 schaersvoo 118
  tooltip%d_flipflop = 0;\
119
  tooltip%d_obj.style.display = \"none\";\
14038 schaersvoo 120
 };\
14090 schaersvoo 121
};\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 122
 
8224 bpr 123
}
7614 schaersvoo 124
 
125
 
8224 bpr 126
/*
7614 schaersvoo 127
 
7991 schaersvoo 128
type = 0 : x-values only [command mousex]
129
type = 1 : y-values only [command mousey]
130
type = 2 : (x:y)         [command mouse]
11017 schaersvoo 131
type = 3 : degree        [command mouse_degree]
132
type = 4 : radian
133
type = 5 : radius
11040 schaersvoo 134
 
15111 schaersvoo 135
  var mouse = getMouse(evt,canvas_div);\
11040 schaersvoo 136
  var x = evt.clientX - mouse_canvas_rect.left;\
137
  var y = evt.clientY - mouse_canvas_rect.top;\
138
 
7991 schaersvoo 139
*/
15111 schaersvoo 140
void add_js_mouse(int canvas_cnt,int precision,char *stroke_color,int font_size,double stroke_opacity,int type){
141
fprintf(js_include_file,"\n/* command mouse on mouse canvas */\
7614 schaersvoo 142
function use_mouse_coordinates(){\
11041 schaersvoo 143
 var display_type = %d;\
11006 schaersvoo 144
 var canvas_type = %d;\
145
 var mouse_canvas = create_canvas%d(canvas_type,xsize,ysize);\
11005 schaersvoo 146
 var mouse_context = mouse_canvas.getContext(\"2d\");\
15111 schaersvoo 147
 mouse_canvas.addEventListener(\"mousemove\",show_coordinate%d,false);\
11005 schaersvoo 148
 mouse_canvas.addEventListener(\"touchmove\", function(e){ e.preventDefault();show_coordinate%d(e.changedTouches[0]);},false);\
7614 schaersvoo 149
 var prec = Math.log(%d)/(Math.log(10));\
150
 function show_coordinate%d(evt){\
15111 schaersvoo 151
  var mouse = getMouse(evt,mouse_canvas);\
11002 schaersvoo 152
  var x = mouse.x;\
153
  var y = mouse.y;\
11041 schaersvoo 154
  var m_data = \"\";\
155
  switch(display_type){\
7996 schaersvoo 156
   case 0: m_data = \" \"+(px2x(x)).toFixed(prec)+\" \"+unit_x;break;\
157
   case 1: m_data = \" \"+(px2y(y)).toFixed(prec)+\" \"+unit_y;break;\
7991 schaersvoo 158
   case 2: m_data = \"(\"+(px2x(x)).toFixed(prec)+\":\"+(px2y(y)).toFixed(prec)+\")\";break;\
11017 schaersvoo 159
   case 3: if(userdraw_radius[0]){ m_data = \" \"+( ( userdraw_radius[0])/(Math.PI/180) ).toFixed(prec)+\" \\u00B0 \";};break;\
160
   case 4: if(userdraw_radius[0]){ m_data = \" \"+(userdraw_radius[0]).toFixed(prec)+\" rad \";};break;\
12000 schaersvoo 161
   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 162
   default:break;\
163
  };\
7614 schaersvoo 164
  var s = parseInt(0.8*%d*(m_data.toString()).length);\
15313 schaersvoo 165
  mouse_context.font = \"%dpx Arial\";\
11005 schaersvoo 166
  mouse_context.fillStyle = \"rgba(%s,%f)\";\
167
  mouse_context.clearRect(0,0,s,1.2*%d);\
168
  mouse_context.fillText(m_data,0,%d);\
7614 schaersvoo 169
 };\
11006 schaersvoo 170
};",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 171
}
8112 schaersvoo 172
 
8224 bpr 173
/*
14208 schaersvoo 174
Math.sin: angle in radians
175
x1 = x*cos(a) - y*sin(a)
176
y1 = y*cos(a) + x*sin(a)
177
show_display = 0  nothing
178
show_display = 1 delta X
179
show_display = 2 delta Y
180
show_display = 3 delta R radians
181
show_display = 4 delta degrees
182
show_display = 5 delta X:Y
10952 schaersvoo 183
 
8112 schaersvoo 184
*/
15111 schaersvoo 185
void add_slider_display(int precision,int font_size,char *font_color,double stroke_opacity){
186
fprintf(js_include_file,"\n/* add_slider_display */\
14208 schaersvoo 187
var slider_prec = Math.log(%d)/(Math.log(10));\
14038 schaersvoo 188
 function show_slider_value(value,use_slider_display){\
8112 schaersvoo 189
 var current_canvas = create_canvas%d(%d,xsize,ysize);\
190
 var current_context = current_canvas.getContext(\"2d\");\
191
 current_context.clearRect(0,0,xsize,ysize);\
192
 var string;\
10952 schaersvoo 193
 switch(use_slider_display){\
14208 schaersvoo 194
  case 0: return;\
195
  case 1: string = '\\u0394 x = '+value.toFixed(slider_prec)+' '+unit_x;break;\
196
  case 2: string = '\\u0394 y = '+value.toFixed(slider_prec)+' '+unit_y;break;\
197
  case 3: string = '\\u2221 = '+value.toFixed(slider_prec)+'\\u03C0 rad';break;\
198
  case 4: string = '\\u2221 = '+(value*(180/Math.PI)).toFixed(slider_prec)+'\\u00B0';break;\
199
  case 5: string = 'not implemented';break;\
200
  default: string = '['+value+']';break;\
8112 schaersvoo 201
 };\
202
 var s = parseInt(1.2*%d*(string).length);\
15313 schaersvoo 203
 current_context.font = '%dpx Arial';\
14208 schaersvoo 204
 current_context.strokeStyle = 'rgba(%s,%.2f)';\
8112 schaersvoo 205
 current_context.clearRect(0,0,s,1.2*%d);\
14208 schaersvoo 206
 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 207
}
11002 schaersvoo 208
 
15111 schaersvoo 209
void add_slider(int anim){
210
fprintf(js_include_file,"\n/* add_slider aux*/\
14208 schaersvoo 211
function rotateXY(obj,angle){\
212
 if( typeof(angle) === 'undefined' ){console.log('rotateXY() angle undefined');return obj;};\
213
 var len = obj.x.length;\
15111 schaersvoo 214
 if( typeof(len) === 'undefined' ){obj.angle = angle;return obj;};\
215
 var cos = Math.cos(angle - obj.angle);\
216
 var sin = Math.sin(angle - obj.angle);\
14208 schaersvoo 217
 obj.angle = angle;\
15111 schaersvoo 218
 var xc,yc;\
219
 if( obj.use_rotation_center == 0 ){\
220
  xc = obj.x[0];\
221
  yc = obj.y[0];\
222
 }else{\
223
  xc = obj.rotation_center[0];\
224
  yc = obj.rotation_center[1];\
225
 };\
14208 schaersvoo 226
 var x,y;\
227
 for(var p = 0 ; p < len ; p++ ){\
228
  x = obj.x[p];\
229
  y = obj.y[p];\
230
  obj.x[p] = (cos * (x - xc)) + (sin * (y - yc)) + xc;\
15111 schaersvoo 231
  obj.y[p] = (cos * (y - yc)) - (sin * (x - xc)) + yc;\
14208 schaersvoo 232
 };\
233
 return obj;\
234
};\
235
function rotateARC(obj,angle){\
236
 obj.h[0] = angle;\
237
 obj.angle = -1*angle;\
238
 return obj;\
239
};\
15111 schaersvoo 240
function slider_show_it(XYR,dx,value,slider_id){\
241
 if(slidergroup.length != 0){\
242
  var len = slidergroup.length;var use_xml = false;\
243
  for(var i = 0;i < len;i++){\
244
   use_xml = false;var obj = slidergroup[i];\
245
   if( obj !== null ){\
246
    if( obj.use_slider[0] != -1 ){\
247
     var sl = obj.use_slider.length;\
248
     for(var s = 0 ; s < sl;s++ ){\
249
      if(obj.use_slider[s] == slider_id ){\
250
       if( typeof(obj.type) !== 'number' ){use_xml = true;};\
251
       switch(XYR){\
252
        case 'X' : obj = move(obj,dx,0);dragdrop_reply[obj.object_cnt].x = obj.x;break;\
253
        case 'Y' : obj = move(obj,0,dx);dragdrop_reply[obj.object_cnt].y = obj.y;break;\
254
        case 'R' : if(obj.type == 17 ){obj = rotateARC(obj,value);}else{obj = rotateXY(obj,value);};dragdrop_reply[obj.object_cnt].angle = obj.angle;break;\
255
        default : break;\
256
       };\
257
      };\
258
     };\
259
    };\
260
    if( use_xml ){ draw_xml(obj); }\
261
    dragstuff.draw();dragstuff.valid = false;\
262
   };\
263
  };\
264
 };\
265
 return;\
266
};\
267
");
268
 
269
if(anim == 0){fprintf(js_include_file,"\n/* add_slider */\
14208 schaersvoo 270
if( typeof(unit_x) === 'undefined' ){var unit_x = ' ';};\
271
if( typeof(unit_y) === 'undefined' ){var unit_y = ' ';};\
15111 schaersvoo 272
function slider(XYR,text,slider_id ,width,height,linewidth,fillcolor,strokecolor,opacity,min,max,fontfamily,display){\
273
 if( wims_status == \"done\" ){return;};var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
274
 var xcenter = 0.5*width;var rcenter = 0.5*width;fillcolor = 'rgba('+fillcolor+','+opacity[0]+')' || 'rgba(200,200,0,0.2)';\
15655 schaersvoo 275
 strokecolor = 'rgba('+strokecolor+','+opacity[1]+')';var title = document.createElement('SPAN');title.innerHTML = text;\
15111 schaersvoo 276
 var br = document.createElement('BR');tooltip_div.appendChild(br);tooltip_div.appendChild(title);\
277
 var slider_canvas = document.createElement('canvas');slider_canvas.id = 'canvas'+slider_id;tooltip_div.appendChild(slider_canvas);\
278
 slider_canvas.width = width;slider_canvas.height = height;var slider_ctx = slider_canvas.getContext(\"2d\");\
279
 slider_ctx.font = fontfamily;slider_ctx.strokeStyle = strokecolor;\
280
 slider_ctx.fillStyle = fillcolor;slider_ctx.lineWidth = linewidth;slider_ctx.save();\
281
 slider_ctx.beginPath();slider_ctx.moveTo(0,height-10);slider_ctx.lineTo(width,height-10);\
282
 slider_ctx.moveTo(xcenter-10,10);slider_ctx.lineTo(xcenter+10,10);slider_ctx.lineTo(xcenter,height-10);\
283
 slider_ctx.lineTo(xcenter-10,10);slider_ctx.closePath();slider_ctx.stroke();slider_ctx.fill();\
284
 slider_canvas.addEventListener( 'mousemove' ,slide_me,false);\
285
 slider_canvas.addEventListener( 'mouseup' ,stop_slide_me,false);\
286
 slider_canvas.addEventListener( 'mousedown' ,start_slide_me,false);\
287
 slider_canvas.addEventListener( 'touchstart', function(e){ e.preventDefault();start_slide_me(e.changedTouches[0]);},false);\
288
 slider_canvas.addEventListener( 'touchend',   function(e){ e.preventDefault();stop_slide_me(e.changedTouches[0]);},false);\
289
 slider_canvas.addEventListener( 'touchmove' ,function(e){ e.preventDefault();slide_me(e.changedTouches[0]);},false);\
290
 var slider_active = false;var value;\
291
 function stop_slide_me(evt){slider_active = false;};\
292
 function start_slide_me(evt){slider_active = true;};\
14208 schaersvoo 293
 function slide_me(evt){\
15111 schaersvoo 294
  if( slider_active == false ){return;};\
14208 schaersvoo 295
  var canvas_rect = slider_canvas.getBoundingClientRect();\
296
  slider_ctx.clearRect(0,0,width,height);\
15111 schaersvoo 297
  var px = parseInt(evt.clientX - canvas_rect.left);\
298
  slider_ctx.beginPath();slider_ctx.moveTo(0,height-10);slider_ctx.lineTo(width,height-10);\
299
  slider_ctx.moveTo(px-10,10);slider_ctx.lineTo(px+10,10);slider_ctx.lineTo(px,height-10);\
300
  slider_ctx.lineTo(px-10,10);slider_ctx.closePath();slider_ctx.stroke();slider_ctx.fill();\
301
  value = (px - rcenter)/width*(max - min);\
302
  if( display > 0 ){show_slider_value(value,display);};\
303
  var dx = px - xcenter;xcenter = px;\
304
  slider_show_it(XYR,dx,value,slider_id);\
14208 schaersvoo 305
 };\
15111 schaersvoo 306
};",canvas_root_id);
8071 schaersvoo 307
}
15111 schaersvoo 308
if( anim == 1){
309
fprintf(js_include_file,"\n/* add_anim_slider */\
310
function animslider(XYR,text,slider_id ,width,height,linewidth,fillcolor,strokecolor,opacity,min,max,fontfamily,display)\
311
{\
312
 document.addEventListener('readystatechange',function(event){\
313
  if(event.target.readyState === 'complete'){\
314
   var value= 0;\
315
   var timer = setInterval(function(){\
316
    value++;slider_show_it(XYR,value,value,slider_id);\
317
    if( value > width ){clearInterval( timer );}\
318
   },240);\
319
  };\
320
 },false);\
321
};");
322
}
323
}
324
/*      dragdrop_reply[obj.object_cnt] = obj;
8097 schaersvoo 325
*/
326
 
8224 bpr 327
/*
7833 schaersvoo 328
adds inputfield for x-value: returns the js-calculated y-value after click on 'OK' button
329
draws a non-configurable crosshair on this calculated location
330
*/
15111 schaersvoo 331
void add_calc_y(char *jsmath,int font_size,char *css_class){
332
fprintf(js_include_file,"\n/* add_calc_y */\
7858 schaersvoo 333
use_jsmath=1;\
7856 schaersvoo 334
function add_calc_y(){\
11002 schaersvoo 335
 if( wims_status == \"done\" ){return;};\
336
 var fun = to_js_math(\"%s\");if(fun == null){return;};\
337
 function eval_jsmath(x){return parseFloat(eval(fun));};\
338
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
339
 var calc_div = document.createElement('div');\
340
 calc_div.id = \"calc_div\";\
341
 tooltip_div.appendChild(calc_div);\
342
 var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 343
 if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
344
 if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
11002 schaersvoo 345
 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> \";\
346
 var calc_button = document.getElementById(\"calc_button\");\
15111 schaersvoo 347
 calc_button.addEventListener(\"mousedown\",show_it,false);\
11002 schaersvoo 348
 calc_button.addEventListener(\"touchstart\", function(e){ e.preventDefault();show_it(e.changedTouches[0]);},false);\
349
 function show_it(){\
350
  var x_value=document.getElementById(\"calc_input_x\").value;\
351
  var y_value = eval_jsmath(x_value);\
352
  document.getElementById(\"calc_output_y\").value = y_value;\
353
  if(isNaN(y_value)){return;};\
354
  var canvas = create_canvas%d(123,xsize,ysize);\
355
  var ctx = canvas.getContext(\"2d\");\
356
  draw_crosshairs(ctx,[x2px(x_value)],[y2px(y_value)],1,5,\"#000000\",1,0,0,0,[0,0]);return;\
357
 };\
358
};\
15111 schaersvoo 359
;add_calc_y();",jsmath,canvas_root_id,font_size,css_class,css_class,canvas_root_id);
7833 schaersvoo 360
}
361
/*
362
 x-value of the mouse will be used to calculate via javascript the corresponding y-value using the verbatim js-math function
363
 a configurable crosshair and vertical/horizontal crosshair lines will be drawn
364
 function is called "use_mouse_coordinates() and thus can not be combined with command 'mouse'
365
*/
16844 bpr 366
void add_trace_js_mouse(int canvas_cnt, char *stroke_color, char *jsmath,
367
  int font_size, double stroke_opacity, int line_width,
368
  int crosshair_size,char *css_class){
15111 schaersvoo 369
fprintf(js_include_file,"\n/* add_trace_jsmath */\
7858 schaersvoo 370
use_jsmath=1;\
7839 schaersvoo 371
function use_trace_jsmath(){\
7956 schaersvoo 372
if( wims_status == \"done\" ){return;};\
7833 schaersvoo 373
 var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 374
 if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
375
 if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7823 schaersvoo 376
 var trace_canvas = create_canvas%d(%d,xsize,ysize);\
377
 var trace_context = trace_canvas.getContext(\"2d\");\
7856 schaersvoo 378
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
7839 schaersvoo 379
 var trace_div = document.createElement('div');\
380
 trace_div.id = \"trace_div\";\
7856 schaersvoo 381
 tooltip_div.appendChild(trace_div);\
9213 schaersvoo 382
 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 383
 canvas_div.addEventListener(\"mousemove\",trace,false);\
11002 schaersvoo 384
 canvas_div.addEventListener(\"touchmove\",function(e){ e.preventDefault();trace(e.changedTouches[0]);},false);\
7981 schaersvoo 385
 var fun = to_js_math(\"%s\");if(fun == null){return;};\
7858 schaersvoo 386
 function eval_jsmath(x){return parseFloat(eval(fun));};\
387
 function trace(evt){\
15111 schaersvoo 388
  var mouse = getMouse(evt,trace_canvas);\
11002 schaersvoo 389
  var x_px = mouse.x;\
7834 schaersvoo 390
  var x = px2x(x_px);\
7823 schaersvoo 391
  var y = eval_jsmath(x);\
392
  if(isNaN(y)){return;};\
7834 schaersvoo 393
  var y_px = y2px(y);\
7823 schaersvoo 394
  trace_context.clearRect(0,0,xsize,ysize);\
7834 schaersvoo 395
  draw_crosshairs(trace_context,[x_px],[y_px],%d,%d,\"%s\",%f,0,0,0,[0,0]);\
7856 schaersvoo 396
  document.getElementById(\"trace_input_x\").value = x;\
397
  document.getElementById(\"trace_input_y\").value = y;\
7823 schaersvoo 398
 };\
399
 return;\
15111 schaersvoo 400
};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 401
}
7663 schaersvoo 402
 
8224 bpr 403
/*
404
add a table with 2 textarea's labeled 'x' 'y' ( or 'xlabel' 'ylabel' if defined)
7749 schaersvoo 405
add two buttons: OK and NOK (OK draws; NOK will delete last item pair from userdraw_x / userdraw_y array's
406
*/
15111 schaersvoo 407
void add_textarea_xy(char *css_class){
408
fprintf(js_include_file,"\n/* add_textarea_xy */\
7856 schaersvoo 409
function add_textarea_xy(){\
7956 schaersvoo 410
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 411
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
412
var textarea_div = document.createElement('div');\
413
textarea_div.id = \"textarea_div\";\
414
tooltip_div.appendChild(textarea_div);\
7663 schaersvoo 415
var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 416
if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
417
if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7856 schaersvoo 418
textarea_div.innerHTML=\"\
419
<table style=\'border:1px solid black;background-color:#ffffa0\' >\
420
<tr>\
421
 <td><input id='textarea_ok_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/></td>\
422
 <td><input id='textarea_nok_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></td>\
423
</tr>\
424
<tr>\
425
 <td><em>\"+label_x+\"</em></td>\
426
 <td><em>\"+label_y+\"</em></td>\
427
</tr>\
428
<tr>\
8815 schaersvoo 429
 <td><textarea rows='5' cols='2' id='userinput_x' style='%s' ></textarea></td>\
430
 <td><textarea rows='5' cols='2' id='userinput_y' style='%s' ></textarea></td>\
7856 schaersvoo 431
</tr>\
432
</table>\";\
433
var textarea_ok_button = document.getElementById(\"textarea_ok_button\");\
434
var textarea_nok_button = document.getElementById(\"textarea_nok_button\");\
15111 schaersvoo 435
textarea_ok_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
436
textarea_nok_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
7856 schaersvoo 437
return;\
15111 schaersvoo 438
};add_textarea_xy();",canvas_root_id,css_class,css_class);
7663 schaersvoo 439
}
440
 
7838 schaersvoo 441
/*
7823 schaersvoo 442
 
7838 schaersvoo 443
*/
15111 schaersvoo 444
void add_setlimits(int font_size,char *css_class){
445
fprintf(js_include_file,"\n/* add_setlimits */\
7839 schaersvoo 446
function use_setlimits(){\
7956 schaersvoo 447
if( wims_status == \"done\" ){return;};\
7858 schaersvoo 448
var label_x = \"x\";var label_y = \"y\";\
11088 schaersvoo 449
if( typeof(xaxislabel) !== 'undefined' ){label_x = xaxislabel;}\
450
if( typeof(yaxislabel) !== 'undefined' ){label_y = yaxislabel;}\
7856 schaersvoo 451
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
7839 schaersvoo 452
var setlim_div = document.createElement('div');\
7856 schaersvoo 453
setlim_div.id = \"setlim_div\";\
454
tooltip_div.appendChild(setlim_div);\
8815 schaersvoo 455
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 456
var setlimit_button = document.getElementById(\"set_limits\");\
457
function set_limits(e){\
458
xmin = safe_eval(document.getElementById('userinput_xmin').value);\
459
xmax = safe_eval(document.getElementById('userinput_xmax').value);\
460
ymin = safe_eval(document.getElementById('userinput_ymin').value);\
461
ymax = safe_eval(document.getElementById('userinput_ymax').value);\
462
if(xmin > xmax || ymin > ymax){alert(\"your limits are not correct...\");return;}\
15111 schaersvoo 463
try{redraw_jsplot();}catch(e){console.log('redraw_jsplot failed:'+e);};\
464
try{redraw_grid();}catch(e){console.log('redraw_grid failed:'+e);};\
465
try{dragstuff.Zoom(xmin,xmax,ymin,ymax)}catch(e){console.log('zooming dragstuff failed:'+e);};return;};\
7839 schaersvoo 466
setlimit_button.addEventListener(\"mousedown\",function(e){set_limits();},false);\
15111 schaersvoo 467
};use_setlimits();",canvas_root_id,font_size,css_class,css_class,css_class,css_class);
7838 schaersvoo 468
}
8193 schaersvoo 469
 
15111 schaersvoo 470
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){
471
fprintf(js_include_file,"\n/* add_input_jsfunction */\
8297 schaersvoo 472
function clear_jsfunction(canvas_plot_id,input_field){\
8193 schaersvoo 473
 try{\
8297 schaersvoo 474
  var canvas_plot = document.getElementById(\"wims_canvas%d\"+canvas_plot_id);\
475
  var canvas_plot_ctx = canvas_plot.getContext(\"2d\");\
8193 schaersvoo 476
  if( confirm(\"clear function plot?\") ){\
8297 schaersvoo 477
   canvas_plot_ctx.clearRect(0,0,xsize,ysize);\
478
   document.getElementById(input_field).value = \"\";\
479
  };\
480
  return;\
481
 }catch(e){alert(e+\"nothing to remove...\");};\
9244 schaersvoo 482
 return;\
483
};\
15111 schaersvoo 484
function add_input_jsfunction(input_cnt,css_class,input_label,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1){\
8297 schaersvoo 485
 var canvas_plot_id = %d+input_cnt;\
15111 schaersvoo 486
 var label = input_label[input_cnt];\
487
 if( typeof(multistrokecolors) === 'object'){ stroke_color = multistrokecolors[input_cnt];};\
8297 schaersvoo 488
 var input_field = \"canvas_input\"+input_cnt;\
489
 var update_button_id = \"update_button\"+input_cnt;\
490
 var delete_button_id = \"delete_button\"+input_cnt;\
491
 if( wims_status == \"done\" ){return;};\
492
 var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
493
 var input_jsfunction_div = document.createElement('div');\
494
 input_jsfunction_div.id = \"input_jsfunction_div\"+input_cnt;\
495
 tooltip_div.appendChild(input_jsfunction_div);\
16827 schaersvoo 496
 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 497
 var update_button = document.getElementById(update_button_id);\
498
 var delete_button = document.getElementById(delete_button_id);\
15111 schaersvoo 499
 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 500
 delete_button.addEventListener(\"mousedown\",function(e){clear_jsfunction(canvas_plot_id,input_field);return;},false);\
9244 schaersvoo 501
};\
15111 schaersvoo 502
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 503
}
504
 
505
 
8224 bpr 506
/*
507
adds 2 inputfields (x:y) and 'ok' | 'nok' button
7668 schaersvoo 508
these are used for user drawing with inputfields...
15529 schaersvoo 509
function update_me(){\
510
 var x = safe_eval(document.getElementById('userinput_x').value);\
511
 var y = safe_eval(document.getElementById('userinput_y').value);\
512
 userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
513
 return;\
514
};\
7668 schaersvoo 515
*/
7823 schaersvoo 516
 
15111 schaersvoo 517
void add_input_xy(int font_size,char *css_class){
518
fprintf(js_include_file,"\n/* add_input_xy */\
7856 schaersvoo 519
function add_input_xy(){\
7956 schaersvoo 520
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 521
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
522
var input_xy_div = document.createElement('div');\
523
input_xy_div.id = \"input_xy_div\";\
524
tooltip_div.appendChild(input_xy_div);\
7663 schaersvoo 525
var label_x = \"x\";var label_y = \"y\";\
9213 schaersvoo 526
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 527
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 528
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 529
update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
530
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
531
};add_input_xy();",canvas_root_id,font_size,css_class,css_class);
7652 schaersvoo 532
}
533
 
7668 schaersvoo 534
/* adds 4 inputfields (x1:y1) --- (x2:y2) and 'ok' + 'nok' button */
15111 schaersvoo 535
void add_input_x1y1x2y2(int font_size,char *css_class){
536
fprintf(js_include_file,"\n/* add_input_x1y1x2y2 */\
7856 schaersvoo 537
function add_input_x1y1x2y2(){\
7956 schaersvoo 538
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 539
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
540
var input_x1y1x2y2_div = document.createElement('div');\
541
input_x1y1x2y2_div.id = \"input_x1y1x2y2_div\";\
542
tooltip_div.appendChild(input_x1y1x2y2_div);\
9213 schaersvoo 543
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 544
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 545
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 546
update_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
547
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
548
};add_input_x1y1x2y2();",canvas_root_id,font_size,css_class,css_class,css_class,css_class);
7652 schaersvoo 549
}
550
 
7668 schaersvoo 551
/* adds 3 inputfields Center (x:y) Radius r and 'ok'+'nok' buttons */
15111 schaersvoo 552
void add_input_xyr(int font_size,char *css_class){
553
fprintf(js_include_file,"\n/* add_input_xyr */\
7856 schaersvoo 554
function add_input_xyr(){\
7956 schaersvoo 555
if( wims_status == \"done\" ){return;};\
7856 schaersvoo 556
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
557
var input_xyr_div = document.createElement('div');\
558
input_xyr_div.id = \"input_xyr_div\";\
559
tooltip_div.appendChild(input_xyr_div);\
9213 schaersvoo 560
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 561
var update_button = document.getElementById(\"update_button\");\
7668 schaersvoo 562
var delete_button = document.getElementById(\"delete_button\");\
15111 schaersvoo 563
update_button.addEventListener(\"mousedown\",function(e){redraw_userdraw();return;},false);\
564
delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
565
};add_input_xyr();",canvas_root_id,font_size,css_class,css_class,css_class);
7652 schaersvoo 566
}
567
 
7749 schaersvoo 568
/* THESE JS-FUNCTIONS COULD BE MADE LESS COPY & PASTE "PROGRAMMING" */
569
 
7663 schaersvoo 570
/* draw circle(s) / point(s) via 3 inputfields */
15111 schaersvoo 571
void add_input_circle(int type,int num){
8224 bpr 572
/*
573
type = 0 : a point ...radius is fixed
7652 schaersvoo 574
type = 1 : a circle ... read inputfield userinput_r
575
num = 1 : a single point / circle
576
num = 2 : multiple points / circles
577
*/
15111 schaersvoo 578
fprintf(js_include_file,"\n/* add_input_circle */\
7668 schaersvoo 579
function user_redraw(t){\
580
 var type = %d;\
581
 var num = %d;\
7780 schaersvoo 582
 var lu = userdraw_x.length;\
12006 schaersvoo 583
 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 584
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
585
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
12006 schaersvoo 586
 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 587
 return;\
588
};",type,num);
7652 schaersvoo 589
}
7663 schaersvoo 590
/* draw crosshairs via inputfields x/y */
15111 schaersvoo 591
void add_input_crosshair(int num){
592
fprintf(js_include_file,"\n/* add_input_crosshair */\
7668 schaersvoo 593
function user_redraw(t){\
7780 schaersvoo 594
 var lu = userdraw_x.length;\
595
 if( t == -1 && lu > 0){\
596
  userdraw_x.splice(lu-1,1);\
597
  userdraw_y.splice(lu-1,1);\
7749 schaersvoo 598
  context_userdraw.clearRect(0,0,xsize,ysize);\
599
  draw_crosshairs(context_userdraw,userdraw_x,userdraw_y,line_width,crosshair_size,stroke_color,stroke_opacity,0,0,0,[0,0]);\
600
  return;\
601
 };\
602
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
603
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
604
 if( add_x != null && add_y != null ){\
7654 schaersvoo 605
  if( %d == 1 ){\
606
   userdraw_x[0] = x2px(add_x);\
607
   userdraw_y[0] = y2px(add_y);\
16844 bpr 608
  } else {\
7654 schaersvoo 609
    userdraw_x[lu] = x2px(add_x);\
610
    userdraw_y[lu] = y2px(add_y);\
611
    xy_cnt++;\
612
  };\
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
 };\
7749 schaersvoo 616
 return;\
7654 schaersvoo 617
};",num);
618
}
619
 
7663 schaersvoo 620
/* draw arrows via inputfields x/y */
15111 schaersvoo 621
void add_input_arrow(int num){
622
fprintf(js_include_file,"\n/* add_input_arrow */\
7668 schaersvoo 623
function user_redraw(t){\
7780 schaersvoo 624
 var lu = userdraw_x.length;\
625
 if( t == -1 && lu > 1 ){\
626
  userdraw_x.splice(lu-2,2);\
627
  userdraw_y.splice(lu-2,2);\
7747 schaersvoo 628
  context_userdraw.clearRect(0,0,xsize,ysize);\
8071 schaersvoo 629
  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 630
  return;\
631
 };\
7749 schaersvoo 632
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
633
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
634
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
635
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
636
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7654 schaersvoo 637
  if( %d == 2 ){\
638
    var s = userdraw_x.length;\
7780 schaersvoo 639
    userdraw_x[lu] = x2px(add_x1);\
640
    userdraw_y[lu] = y2px(add_y1);\
641
    userdraw_x[lu+1] = x2px(add_x2);\
642
    userdraw_y[lu+1] = y2px(add_y2);\
16844 bpr 643
  } else {\
7654 schaersvoo 644
   userdraw_x[0] = x2px(add_x1);\
645
   userdraw_y[0] = y2px(add_y1);\
646
   userdraw_x[1] = x2px(add_x2);\
647
   userdraw_y[1] = y2px(add_y2);\
648
  };\
649
  context_userdraw.clearRect(0,0,xsize,ysize);\
8071 schaersvoo 650
  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 651
 };\
7749 schaersvoo 652
 return;\
7654 schaersvoo 653
};",num);
654
}
655
 
7746 schaersvoo 656
/* draw line via inputfields x/y */
15111 schaersvoo 657
void add_input_line(int num){
658
fprintf(js_include_file,"\n/* line via inputfields  */\
7746 schaersvoo 659
function user_redraw(t){\
7780 schaersvoo 660
 var lu = userdraw_x.length;\
661
 if( t == -1 && lu > 1){\
662
  userdraw_x.splice(lu-2,2);\
663
  userdraw_y.splice(lu-2,2);\
7746 schaersvoo 664
  context_userdraw.clearRect(0,0,xsize,ysize);\
665
  draw_lines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,1,0,0);\
666
  return;\
667
 };\
7749 schaersvoo 668
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
669
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
670
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
671
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
672
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7746 schaersvoo 673
  if( %d == 2 ){\
7780 schaersvoo 674
    userdraw_x[lu] = x2px(add_x1);\
675
    userdraw_y[lu] = y2px(add_y1);\
676
    userdraw_x[lu+1] = x2px(add_x2);\
677
    userdraw_y[lu+1] = y2px(add_y2);\
16844 bpr 678
  } else {\
7746 schaersvoo 679
   userdraw_x[0] = x2px(add_x1);\
680
   userdraw_y[0] = y2px(add_y1);\
681
   userdraw_x[1] = x2px(add_x2);\
682
   userdraw_y[1] = y2px(add_y2);\
683
  };\
684
  context_userdraw.clearRect(0,0,xsize,ysize);\
685
  draw_lines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,1,0,0);\
686
 };\
7749 schaersvoo 687
 return;\
7746 schaersvoo 688
};",num);
689
}
690
 
691
 
7663 schaersvoo 692
/* draw polyline via inputfields x/y */
15111 schaersvoo 693
void add_input_polyline(){
694
fprintf(js_include_file,"\n/* polyline_segment via inputfields */\
7668 schaersvoo 695
function user_redraw(t){\
8071 schaersvoo 696
 var lu = userdraw_x.length;\
7962 schaersvoo 697
 cnt = 1;\
7780 schaersvoo 698
 if( t == -1 && lu > 0){\
8071 schaersvoo 699
  userdraw_x.splice(lu-1,1);\
700
  userdraw_y.splice(lu-1,1);\
701
  context_userdraw.clearRect(0,0,xsize,ysize);\
702
  draw_polyline(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
703
  return;\
704
 };\
705
 var add_x = safe_eval( document.getElementById(\"userinput_x\").value );\
706
 var add_y = safe_eval( document.getElementById(\"userinput_y\").value );\
7749 schaersvoo 707
 if(add_x != null && add_y != null ){\
8071 schaersvoo 708
  userdraw_x.push(x2px(add_x));\
709
  userdraw_y.push(y2px(add_y));\
710
  context_userdraw.clearRect(0,0,xsize,ysize);\
711
  draw_polyline(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
712
 };\
713
 return;\
7663 schaersvoo 714
};");
715
}
716
/* draw segment(s) via inputfields x/y */
15111 schaersvoo 717
void add_input_segment(int num){
718
fprintf(js_include_file,"\n/* add_input_segment */\
7668 schaersvoo 719
function user_redraw(t){\
7780 schaersvoo 720
 var lu = userdraw_x.length;\
721
 if( t == -1 && lu > 1){\
722
  userdraw_x.splice(lu-2,2);\
723
  userdraw_y.splice(lu-2,2);\
7746 schaersvoo 724
  context_userdraw.clearRect(0,0,xsize,ysize);\
7668 schaersvoo 725
  draw_segments(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
726
  return;\
727
 };\
7749 schaersvoo 728
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
729
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
730
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
731
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
732
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
7652 schaersvoo 733
  if( %d == 2 ){\
734
    var s = userdraw_x.length;\
735
    userdraw_x[s] = x2px(add_x1);\
736
    userdraw_y[s] = y2px(add_y1);\
737
    userdraw_x[s+1] = x2px(add_x2);\
738
    userdraw_y[s+1] = y2px(add_y2);\
16844 bpr 739
  } else {\
7652 schaersvoo 740
   userdraw_x[0] = x2px(add_x1);\
741
   userdraw_y[0] = y2px(add_y1);\
742
   userdraw_x[1] = x2px(add_x2);\
743
   userdraw_y[1] = y2px(add_y2);\
744
  };\
745
  context_userdraw.clearRect(0,0,xsize,ysize);\
746
  draw_segments(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
7668 schaersvoo 747
 };\
7749 schaersvoo 748
 return;\
7652 schaersvoo 749
};",num);
750
}
7663 schaersvoo 751
 
8244 schaersvoo 752
/* draw demilines(s) via inputfields x/y */
15111 schaersvoo 753
void add_input_demiline(int num){
754
fprintf(js_include_file,"\n/* add_input_segment */\
8244 schaersvoo 755
function user_redraw(t){\
756
 var lu = userdraw_x.length;\
757
 if( t == -1 && lu > 1){\
758
  userdraw_x.splice(lu-2,2);\
759
  userdraw_y.splice(lu-2,2);\
760
  context_userdraw.clearRect(0,0,xsize,ysize);\
761
  draw_demilines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
762
  return;\
763
 };\
764
 var add_x1 = safe_eval( document.getElementById(\"userinput_x1\").value );\
765
 var add_y1 = safe_eval( document.getElementById(\"userinput_y1\").value );\
766
 var add_x2 = safe_eval( document.getElementById(\"userinput_x2\").value );\
767
 var add_y2 = safe_eval( document.getElementById(\"userinput_y2\").value );\
768
 if( add_x1 != null && add_y1 != null && add_x2 != null && add_y2 != null ){\
769
  if( %d == 2 ){\
770
    var s = userdraw_x.length;\
771
    userdraw_x[s] = x2px(add_x1);\
772
    userdraw_y[s] = y2px(add_y1);\
773
    userdraw_x[s+1] = x2px(add_x2);\
774
    userdraw_y[s+1] = y2px(add_y2);\
16844 bpr 775
  } else {\
8244 schaersvoo 776
   userdraw_x[0] = x2px(add_x1);\
777
   userdraw_y[0] = y2px(add_y1);\
778
   userdraw_x[1] = x2px(add_x2);\
779
   userdraw_y[1] = y2px(add_y2);\
780
  };\
781
  context_userdraw.clearRect(0,0,xsize,ysize);\
782
  draw_demilines(context_userdraw,userdraw_x,userdraw_y,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1);\
783
 };\
784
 return;\
785
};",num);
786
}
787
 
15111 schaersvoo 788
void add_clear_button(char *css_class,char *button_text){
11001 schaersvoo 789
/* 25/11/2014 added clearing of reply array
8448 schaersvoo 790
all members will be set to 0 eg reply[0] = 0 , reply[1] = 0 ...
16844 bpr 791
hope this does not interfere with existing work...
8448 schaersvoo 792
*/
11001 schaersvoo 793
/*
16844 bpr 794
5/2016 changed  to 'setAttribute()' because of trouble on Chromium/Safari/IE
11080 schaersvoo 795
10/2016 corrected contex-reset-flaw when using "userdraw text,color" and added inputs to the things we can remove
11764 schaersvoo 796
7/2017 added 'userdraw clickfill,color' to removable things...one user_filling per click
11001 schaersvoo 797
*/
15111 schaersvoo 798
fprintf(js_include_file,"\n/* add clear button */\
8349 schaersvoo 799
clear_draw_area%d = function(){\
15111 schaersvoo 800
 if(typeof(fill_canvas_no) === 'number'){\
801
  var chk = document.getElementById('wims_canvas%d'+fill_canvas_no);\
802
  if( chk ){\
803
   var fill_ctx = chk.getContext(\"2d\");fill_ctx.clearRect(0,0,xsize,ysize);\
804
   fill_canvas_no--;userdraw_x.splice(p,1);userdraw_y.splice(p,1);userdraw_radius.splice(p,1);\
805
   return;\
11763 schaersvoo 806
  };\
807
 };\
11088 schaersvoo 808
 if( typeof(context_userdraw) === 'object' ){\
14270 schaersvoo 809
  while( document.getElementById(canvas_div.lastChild.id).tagName == 'DIV'){\
810
   document.getElementById(canvas_div.lastChild.id).innerHTML = null;\
811
   canvas_div.removeChild(document.getElementById(canvas_div.lastChild.id));\
812
  };\
11001 schaersvoo 813
  context_userdraw.clearRect(0,0,xsize,ysize);\
15111 schaersvoo 814
  if( typeof(userdraw_text) !== 'undefined'){ userdraw_text = []; };\
11080 schaersvoo 815
  if( document.getElementById(\"canvas_input0\") ){\
816
   var p = 0;var inp;\
817
   while( document.getElementById(\"canvas_input\"+p) ){\
818
    inp = document.getElementById(\"canvas_input\"+p);\
819
    canvas_div.removeChild(inp);\
820
    p++;\
821
   };\
822
   input_cnt = 0;start_input_cnt = 0; \
823
  };\
15111 schaersvoo 824
  userdraw_x = [];userdraw_y = [];userdraw_radius = [];xy_cnt = 0;\
11080 schaersvoo 825
 };\
14270 schaersvoo 826
 if( typeof(external_ctx) === 'object'){\
14038 schaersvoo 827
  external_ctx.clearRect(0,0,xsize,ysize);\
828
  for(var p = 0 ; p < userdraw_x.length; p++){\
829
   userdraw_x[p] = null;userdraw_y[p] = null;\
830
  };\
831
 };\
11080 schaersvoo 832
 return;\
8350 schaersvoo 833
};\
834
function add_clear_button(){\
8146 schaersvoo 835
 var tooltip_placeholder_div = document.getElementById(\"tooltip_placeholder_div%d\");\
8350 schaersvoo 836
 var button = document.createElement('input');\
9858 schaersvoo 837
 button.setAttribute(\"type\" , \"button\");\
11024 schaersvoo 838
 button.setAttribute(\"id\" , \"clearbutton%d\");\
15111 schaersvoo 839
 button.setAttribute(\"class\" , \"%s\");\
9858 schaersvoo 840
 button.setAttribute(\"value\" , \"%s\");\
8350 schaersvoo 841
 button.setAttribute(\"onclick\",\"clear_draw_area%d()\");\
842
 tooltip_placeholder_div.appendChild(button);\
8146 schaersvoo 843
};\
15111 schaersvoo 844
add_clear_button();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,css_class,button_text,canvas_root_id);
8146 schaersvoo 845
}
7858 schaersvoo 846
 
15111 schaersvoo 847
void add_color_palette(char *css_class){
848
fprintf(js_include_file,"\n/* add color palette */\
11767 schaersvoo 849
function add_color_palette(){\
850
 var tooltip_placeholder_div = document.getElementById(\"tooltip_placeholder_div%d\");\
12006 schaersvoo 851
 var clen = palettecolors.length;\
14038 schaersvoo 852
 for( var p = 0 ; p < clen ; p++ ){\
12006 schaersvoo 853
  var button = document.createElement('input');\
854
  button.setAttribute('type', 'button');\
855
  button.setAttribute('value', '  ');\
856
  button.setAttribute('id',palettecolors[p]);\
857
  button.setAttribute('style', \"%s\");\
858
  button.setAttribute('style','background-color:rgb('+palettecolors[p]+')');\
859
  button.setAttribute(\"backgroundColor\",palettecolors[p]);\
860
  button.addEventListener('mousedown',function(e){var id = this.getAttribute('id');multifillcolors[0]=id;multifillcolors[1]=id;multifillcolors[2]=id;},false);\
861
  tooltip_placeholder_div.appendChild(button);\
862
 };\
863
};\
864
add_color_palette();\
15111 schaersvoo 865
",canvas_root_id,css_class);
11767 schaersvoo 866
}
8146 schaersvoo 867
 
14230 schaersvoo 868
 
8225 bpr 869
struct colors colors[]={
7614 schaersvoo 870
 {"#FF0000","red","255,0,0"},
871
 {"#00FF00","lime","0,255,0"},
872
 {"#0000FF","blue","0,0,255"},
873
 {"#FFA500","orange","255,165,0"},
874
 {"#E9967A","darksalmon","233,150,122"},
875
 {"#F0FFFF","azure","240,255,255"},
876
 {"#CD5C5C","indianred","205,92,92"},
877
 {"#E0FFFF","lightcyan","224,255,255"},
878
 {"#FFE4E1","mistyrose","255,228,225"},
879
 {"#DC143C","crimson","220,20,60"},
880
 {"#FFC0CB","pink","255,192,203"},
881
 {"#FFD700","gold","255,215,0"},
882
 {"#E6E6FA","lavender","230,230,250"},
883
 {"#808080","gray","128,128,128"},
884
 {"#F0F8FF","aliceblue","240,248,255"},
885
 {"#C71585","mediumvioletred","199,21,133"},
886
 {"#FFF0F5","lavenderblush","255,240,245"},
887
 {"#DAA520","goldenrod","218,165,32"},
888
 {"#FFB6C1","lightpink","255,182,193"},
889
 {"#00FFFF","aqua","0,255,255"},
890
 {"#FF69B4","hotpink","255,105,180"},
891
 {"#00FFFF","cyan","0,255,255"},
892
 {"#FF1493","deeppink","255,20,147"},
893
 {"#7FFFD4","aquamarine","127,255,212"},
894
 {"#FA8072","salmon","250,128,114"},
895
 {"#DEB887","burlywood","222,184,135"},
896
 {"#DB7093","palevioletred","219,112,147"},
897
 {"#D2B48C","tan","210,180,140"},
898
 {"#BDB76B","darkkhaki","189,183,107"},
899
 {"#B22222","firebrick","178,34,34"},
900
 {"#FF4500","orangered","255,69,0"},
901
 {"#8B4513","saddlebrown","139,69,19"},
902
 {"#FF8C00","darkorange","255,140,0"},
903
 {"#FFFFE0","lightyellow","255,255,224"},
904
 {"#FFFF00","yellow","255,255,0"},
905
 {"#FFFACD","lemonchiffon","255,250,205"},
906
 {"#F5F5DC","beige","245,245,220"},
907
 {"#FFEFD5","papayawhip","255,239,213"},
908
 {"#FAFAD2","lightgoldenrodyellow","250,250,210"},
909
 {"#FFE4B5","moccasin","255,228,181"},
910
 {"#B8860B","darkgoldenrod","184,134,11"},
911
 {"#FFF8DC","cornsilk","255,248,220"},
912
 {"#FFEBCD","blanchedalmond","255,235,205"},
913
 {"#FFE4C4","bisque","255,228,196"},
914
 {"#FFDEAD","navajowhite","255,222,173"},
915
 {"#F5DEB3","wheat","245,222,179"},
916
 {"#CD853F","peru","205,133,63"},
917
 {"#D2691E","chocolate","210,105,30"},
918
 {"#A0522D","sienna","160,82,45"},
919
 {"#A52A2A","brown","165,42,42"},
920
 {"#BC8F8F","rosybrown","188,143,143"},
921
 {"#F08080","lightcoral","240,128,128"},
922
 {"#FFA07A","lightsalmon","255,160,122"},
923
 {"#8B0000","darkred","139,0,0"},
924
 {"#800000","maroon","128,0,0"},
925
 {"#FAA460","sandybrown","250,164,96"},
926
 {"#FF7F50","coral","255,127,80"},
927
 {"#FF6347","tomato","255,99,71"},
928
 {"#FFDAB9","peachpuff","255,218,185"},
929
 {"#EEE8AA","palegoldenrod","238,232,170"},
930
 {"#F0E68C","khaki","240,230,140"},
931
 {"#D8BFD8","thistle","216,191,216"},
932
 {"#DDA0DD","plum","221,160,221"},
933
 {"#FF00FF","fuchsia","255,0,255"},
934
 {"#FF00FF","magenta","255,0,255"},
935
 {"#EE82EE","violet","238,130,238"},
936
 {"#DA70D6","orchid","218,112,214"},
937
 {"#BA55D3","mediumorchid","186,85,211"},
938
 {"#9370DB","mediumpurple","147,112,219"},
939
 {"#8A2BE2","blueviolet","138,43,226"},
940
 {"#9400D3","darkviolet","148,0,211"},
941
 {"#9932CC","darkorchid","153,50,204"},
942
 {"#8B008B","darkmagenta","139,0,139"},
943
 {"#800080","purple","128,0,128"},
944
 {"#4B0082","indigo","75,0,130"},
945
 {"#483D8B","darkslateblue","72,61,139"},
946
 {"#6A5ACD","slateblue","106,90,205"},
947
 {"#7B68EE","mediumslateblue","123,104,238"},
948
 {"#98FB98","palegreen","152,251,152"},
949
 {"#ADFF2F","greenyellow","173,255,47"},
950
 {"#7FFF00","chartreuse","127,255,0"},
951
 {"#7CFC00","lawngreen","124,252,0"},
952
 {"#00FF7F","springgreen","0,255,127"},
953
 {"#00FA9A","mediumspringgreen","0,250,154"},
954
 {"#90EE90","lightgreen","144,238,144"},
955
 {"#32CD32","limegreen","50,205,50"},
956
 {"#3CB371","mediumseagreen","60,179,113"},
957
 {"#2E8B57","seagreen","46,139,87"},
958
 {"#228B22","forestgreen","34,139,34"},
959
 {"#008000","green","0,128,0"},
960
 {"#006400","darkgreen","0,100,0"},
961
 {"#9ACD32","yellowgreen","154,205,50"},
962
 {"#6B8E23","olivedrab","107,142,35"},
963
 {"#808000","olive","128,128,0"},
964
 {"#556B2F","darkolivegreen","85,107,47"},
965
 {"#8FBC8F","darkseagreen","143,188,143"},
966
 {"#66CDAA","mediumaquamarine","102,205,170"},
967
 {"#20B2AA","lightseagreen","32,178,170"},
968
 {"#008B8B","darkcyan","0,139,139"},
969
 {"#008080","teal","0,128,128"},
970
 {"#AFEEEE","paleturquoise","175,238,238"},
971
 {"#40E0D0","turquoise","64,224,208"},
972
 {"#48D1CC","mediumturquoise","72,209,204"},
973
 {"#00CED1","darkturquoise","0,206,209"},
974
 {"#5F9EA0","cadetblue","95,158,160"},
975
 {"#4682B4","steelblue","70,130,180"},
976
 {"#B0C4DE","lightsteelblue","176,196,222"},
977
 {"#B0E0E6","powderblue","176,224,230"},
978
 {"#ADD8E6","lightblue","173,216,230"},
979
 {"#87CEEB","skyblue","135,206,235"},
980
 {"#87CEFA","lightskyblue","135,206,250"},
981
 {"#00BFFF","deepskyblue","0,191,255"},
982
 {"#1E90FF","dodgerblue","30,144,255"},
983
 {"#6495ED","cornflowerblue","100,149,237"},
984
 {"#4169E1","royalblue","65,105,225"},
985
 {"#0000CD","mediumblue","0,0,205"},
986
 {"#00008B","darkblue","0,0,139"},
987
 {"#000080","navy","0,0,128"},
988
 {"#191970","midnightblue","25,25,112"},
989
 {"#DCDCDC","gainsboro","220,220,220"},
990
 {"#D3D3D3","lightgrey","211,211,211"},
991
 {"#808080","grey","128,128,128"},
992
 {"#C0C0C0","silver","192,192,192"},
993
 {"#A9A9A9","darkgray","169,169,169"},
994
 {"#778899","lightslategray","119,136,153"},
995
 {"#708090","slategray","112,128,144"},
996
 {"#696969","dimgray","105,105,105"},
997
 {"#2F4F4F","darkslategray","47,79,79"},
11877 schaersvoo 998
 {"#0a0a0a","black","10,10,10"},
7614 schaersvoo 999
 {"#F5FFFA","mintcream","245,255,250"},
1000
 {"#FFFFFF","white","255,255,255"},
1001
 {"#F0FFF0","honeydew","240,255,240"},
1002
 {"#F5F5F5","whitesmoke","245,245,245"},
1003
 {"#F8F8FF","ghostwhite","248,248,255"},
1004
 {"#FFFFF0","ivory","255,255,240"},
1005
 {"#FFFAFA","snow","255,250,250"},
1006
 {"#FFFAF0","floralwhite","255,250,240"},
1007
 {"#FFF5EE","seashell","255,245,238"},
1008
 {"#FDF5E6","oldlace","253,245,230"},
1009
 {"#FAF0E6","linen","250,240,230"},
1010
 {"#FAEBD7","antiquewhite","250,235,215"},
1011
 };
8225 bpr 1012
int NUMBER_OF_COLORNAMES=(sizeof(colors)/sizeof(colors[0]));
7858 schaersvoo 1013
 
11005 schaersvoo 1014
/* 10/2016 does not react to border color !! just any border will stop the filling */
15111 schaersvoo 1015
void add_js_filltoborder(int canvas_type){
1016
fprintf(js_include_file,"\n/* command filltoborder */\
1017
function filltoborder(xs,ys,bordercolors,colors,fill_canvas_no,use_special_filling,fill_ctx){\
11820 schaersvoo 1018
 document.body.style.cursor = 'wait';\
8199 schaersvoo 1019
 var canvas = document.getElementById(\"wims_canvas%d%d\");\
1020
 if( ! canvas ){ return; };\
11817 schaersvoo 1021
 document.body.style.cursor = 'wait';\
8199 schaersvoo 1022
 var ctx = canvas.getContext(\"2d\");\
1023
 ctx.save();\
1024
 xs = x2px(xs);\
1025
 ys = y2px(ys);\
15111 schaersvoo 1026
 if( xs <= 0 || xs >= xsize || ys <= 0 || ys >= ysize ){ document.body.style.cursor = 'default';return; };\
8098 schaersvoo 1027
 var image = ctx.getImageData(0, 0, xsize, ysize);\
1028
 var imageData = image.data;\
1029
 var pixelStack = [[xs, ys]];\
1030
 var px1;\
1031
 var newPos;\
1032
 var pixelPos;\
1033
 var found_left_border;\
1034
 var found_right_border;\
15111 schaersvoo 1035
 var fill_image;\
1036
 var fill_data;\
1037
 var _setPixel;\
1038
 function finish_filling(){\
1039
  if(document.getElementById(\"wims_canvas%d\"+fill_canvas_no)){\
1040
  console.log('dit canvas nummer '+fill_canvas_no+' bestaat al');\
16844 bpr 1041
  } else {\
15111 schaersvoo 1042
   var fill_canvas = create_canvas%d(fill_canvas_no,xsize,ysize);\
1043
   var fill_canvas_ctx = fill_canvas.getContext(\"2d\");\
1044
   fill_canvas_ctx.clearRect(0,0,xsize,ysize);\
1045
   fill_canvas_ctx.putImageData(image, 0, 0);\
1046
  };\
1047
  document.body.style.cursor = 'default';\
1048
  return;\
1049
 };\
8098 schaersvoo 1050
 function _getPixel(pixelPos){\
1051
  return {r:imageData[pixelPos], g:imageData[pixelPos+1], b:imageData[pixelPos+2], a:imageData[pixelPos+3]};\
11820 schaersvoo 1052
 };\
1053
 if( use_special_filling ){\
15111 schaersvoo 1054
  fill_image = fill_ctx.getImageData(0, 0, xsize, ysize);\
1055
  fill_data = fill_image.data;\
11817 schaersvoo 1056
  _setPixel = function(pixelPos){\
11820 schaersvoo 1057
   var n;var o;\
1058
   for(var p = 0;p < 3; p++){\
1059
    n = fill_data[pixelPos+p];\
1060
    o = imageData[pixelPos+p];\
1061
    if( n != o ){ imageData[pixelPos+p] = n; } else { if( o == 255 ){ o = 253;} imageData[pixelPos+p] = o+1;};\
1062
   };\
1063
   imageData[pixelPos+3] = 255;\
1064
  };\
16844 bpr 1065
 } else {\
11820 schaersvoo 1066
  _setPixel = function(pixelPos){\
11817 schaersvoo 1067
   imageData[pixelPos] = color.r;\
1068
   imageData[pixelPos+1] = color.g;\
1069
   imageData[pixelPos+2] = color.b;\
1070
   imageData[pixelPos+3] = color.a;\
11820 schaersvoo 1071
  };\
1072
 };\
8098 schaersvoo 1073
 function _comparePixel(px2){\
11023 schaersvoo 1074
  if(px2.r === px1.r && px2.g === px1.g && px2.b === px1.b ){ return true;};\
1075
  return false;\
8098 schaersvoo 1076
 };\
1077
 px1 = _getPixel(((ys * xsize) + xs) * 4);\
15111 schaersvoo 1078
 var color = {\
1079
  r: parseInt(colors[0], 10),\
1080
  g: parseInt(colors[1], 10),\
1081
  b: parseInt(colors[2], 10),\
1082
  a: parseInt(colors[3] || 255, 10)\
8199 schaersvoo 1083
 };\
15111 schaersvoo 1084
 var bordercolor = {\
1085
  r: parseInt(bordercolors[0], 10),\
1086
  g: parseInt(bordercolors[1], 10),\
1087
  b: parseInt(bordercolors[2], 10),\
1088
  a: parseInt(bordercolors[3] || 255, 10)\
8098 schaersvoo 1089
 };\
15111 schaersvoo 1090
 if( _comparePixel(color) ) { return true; };\
1091
var cnt=0;\
1092
var max=(xsize)*(ysize);\
1093
function fill_me_up(){\
8098 schaersvoo 1094
 while (pixelStack.length) {\
1095
  newPos = pixelStack.pop();\
1096
  xs = newPos[0];ys = newPos[1];\
1097
  pixelPos = (ys*xsize + xs) * 4;\
11023 schaersvoo 1098
  while(ys >= 0 && _comparePixel(_getPixel(pixelPos))){\
1099
   ys -= 1;\
8098 schaersvoo 1100
   pixelPos -= xsize * 4;\
15111 schaersvoo 1101
  };\
8098 schaersvoo 1102
  pixelPos += xsize * 4;\
11023 schaersvoo 1103
  ys += 1;\
8098 schaersvoo 1104
  found_left_border = false;\
1105
  found_right_border = false;\
15111 schaersvoo 1106
  while( ys <= ysize-1 && _comparePixel(_getPixel(pixelPos)) ){\
1107
   cnt++;if(cnt>max){console.log('kap er mee');finish_filling();};\
11023 schaersvoo 1108
   ys += 1;\
8098 schaersvoo 1109
   _setPixel(pixelPos);\
11005 schaersvoo 1110
   if( xs > 1 ){\
8098 schaersvoo 1111
    if( _comparePixel(_getPixel(pixelPos - 4)) ){\
1112
    if( !found_left_border ){\
1113
     pixelStack.push( [xs - 1, ys] );\
1114
     found_left_border = true;\
11023 schaersvoo 1115
    };\
8098 schaersvoo 1116
   }\
1117
   else if( found_left_border ){\
1118
     found_left_border = false;\
15111 schaersvoo 1119
    };\
1120
   };\
11005 schaersvoo 1121
   if( xs < xsize - 1 ){\
8098 schaersvoo 1122
    if( _comparePixel(_getPixel(pixelPos + 4)) ){\
1123
     if( !found_right_border){\
1124
      pixelStack.push( [xs + 1, ys] );\
1125
      found_right_border = true;\
15111 schaersvoo 1126
     };\
8098 schaersvoo 1127
    }\
1128
    else if(found_right_border){\
1129
      found_right_border = false;\
15111 schaersvoo 1130
     };\
1131
    };\
8098 schaersvoo 1132
   pixelPos += xsize * 4;\
15111 schaersvoo 1133
  };\
11820 schaersvoo 1134
 };\
15111 schaersvoo 1135
};\
1136
fill_me_up();\
1137
finish_filling();\
1138
return;\
1139
};",canvas_root_id,canvas_type,canvas_root_id,canvas_root_id);
8074 schaersvoo 1140
}
8083 schaersvoo 1141
 
15111 schaersvoo 1142
void add_js_ruler(double x,double y,double sizex,double sizey,char *font,
9289 schaersvoo 1143
char *stroke_color,double stroke_opacity,char *fill_color,double fill_opacity,
14057 schaersvoo 1144
int line_width,int dynamic,int use_snap){
15111 schaersvoo 1145
 fprintf(js_include_file,"\n/* command ruler */\
9289 schaersvoo 1146
 var ruler_data = new Array(3);\
1147
 var ruler%d = function(){\
14057 schaersvoo 1148
  var use_snap = %d;\
9289 schaersvoo 1149
  var full = 2*Math.PI;\
1150
  var once = true;\
1151
  var canvas = create_canvas%d(3000,xsize,ysize);\
1152
  var ctx = canvas.getContext(\"2d\");\
1153
  var canvas_temp =  document.createElement(\"canvas\");\
1154
  var size_x = xsize*(%f)/(xmax - xmin);\
1155
  var size_y = ysize*(%f)/(ymax - ymin);\
1156
  var dx = xsize/(xmax - xmin);\
1157
  var dy = 0.8*ysize/(ymax - ymin);\
1158
  canvas_temp.width = xsize;\
1159
  canvas_temp.height = ysize;\
1160
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1161
  var xcenter = x2px(%f);\
1162
  var ycenter = y2px(%f);\
1163
  var ruler_x = xcenter;\
1164
  var ruler_y = ycenter;\
1165
  ctx_temp.font = \"%s\";\
1166
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1167
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1168
  ctx_temp.lineWidth = %d;\
1169
  ctx_temp.save();\
1170
  if(once){\
1171
   ctx_temp.beginPath();\
1172
   ctx_temp.moveTo(ruler_x,ruler_y);\
1173
   ctx_temp.lineTo(ruler_x+size_x,ruler_y);\
1174
   ctx_temp.lineTo(ruler_x+size_x,ruler_y-size_y);\
1175
   ctx_temp.lineTo(ruler_x,ruler_y-size_y);\
1176
   ctx_temp.lineTo(ruler_x,ruler_y);\
1177
   ctx_temp.closePath();\
1178
   ctx_temp.fill();\
1179
   ctx_temp.stroke();\
1180
   ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1181
   var txtsize;\
1182
   var num = 1;\
1183
   for(var p = dx ; p < size_x ; p = p+dx){\
1184
     txtsize = 0.5*(ctx_temp.measureText(num).width);\
1185
     ctx_temp.fillText(num,ruler_x + p -txtsize,ruler_y - 0.9*dy);\
1186
     num++;\
1187
   };\
1188
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.6)\";\
1189
   ctx_temp.lineWidth = 2;\
1190
   for(var p = 0; p < size_x ; p = p+dx){\
1191
    ctx_temp.beginPath();\
1192
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1193
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.8*dy);\
1194
    ctx_temp.closePath();\
1195
    ctx_temp.stroke();\
1196
   };\
1197
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.6)\";\
1198
   ctx_temp.lineWidth = 1;\
1199
   for(var p = 0; p < size_x ; p = p+0.5*dx){\
1200
    ctx_temp.beginPath();\
1201
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1202
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.6*dy);\
1203
    ctx_temp.closePath();\
1204
    ctx_temp.stroke();\
1205
   };\
1206
   ctx_temp.strokeStyle = \"rgba(255,0,0,0.6)\";\
1207
   ctx_temp.lineWidth = 0.5;\
1208
   for(var p = 0; p < size_x ; p = p+0.1*dx){\
1209
    ctx_temp.beginPath();\
1210
    ctx_temp.moveTo(ruler_x+p,ruler_y);\
1211
    ctx_temp.lineTo(ruler_x+p,ruler_y-0.4*dy);\
1212
    ctx_temp.closePath();\
1213
    ctx_temp.stroke();\
1214
   };\
1215
   ctx_temp.drawImage(canvas,ruler_x,ruler_y);\
1216
   once = false;\
14057 schaersvoo 1217
  }",canvas_root_id,use_snap,canvas_root_id,sizex,sizey,x,y,font,stroke_color,stroke_opacity,fill_color,fill_opacity,line_width);
16844 bpr 1218
 
9289 schaersvoo 1219
 if( dynamic == -1 ){
1220
 fprintf(js_include_file,"\
1221
 ctx.drawImage(canvas_temp,0,0);\
1222
   if(wims_status != \"done\"){\
1223
    canvas_div.addEventListener( 'mouseup'   , ruler_stop,false);\
1224
    canvas_div.addEventListener( 'mousedown' , ruler_start,false);\
1225
    canvas_div.addEventListener( 'mousemove' , ruler_move,false);\
11002 schaersvoo 1226
    canvas_div.addEventListener( 'touchstart', function(e){ e.preventDefault();ruler_start(e.changedTouches[0]);},false);\
1227
    canvas_div.addEventListener( 'touchmove', function(e){ e.preventDefault();ruler_move(e.changedTouches[0]);},false);\
1228
    canvas_div.addEventListener( 'touchend', function(e){ e.preventDefault();ruler_stop(e.changedTouches[0]);},false);\
9289 schaersvoo 1229
   };\
1230
   function ruler_stop(evt){\
1231
    ruler_data[0] = ruler_x;\
1232
    ruler_data[1] = ruler_y;\
1233
    ruler_data[2] = angle;\
1234
    return;\
1235
   };\
15111 schaersvoo 1236
   var ruler_object_cnt = 0;\
9289 schaersvoo 1237
   function ruler_start(evt){\
15111 schaersvoo 1238
    var mouse = getMouse(evt,canvas);\
11002 schaersvoo 1239
    var mouse_y = mouse.y;\
1240
    if( mouse_y > ysize - 20 ){return;};\
1241
    var mouse_x = mouse.x;\
1242
    if( mouse_x > ruler_x - 50 && mouse_x < ruler_x + size_x + 50){\
1243
     if( mouse_y > ruler_y - 50 && mouse_y < ruler_y + size_y + 50){\
15111 schaersvoo 1244
      ruler_object_cnt++;\
11002 schaersvoo 1245
      ruler_move(evt);\
1246
      return;\
1247
     };\
15111 schaersvoo 1248
    }else{ruler_object_cnt = 0; return;};\
9289 schaersvoo 1249
   };\
1250
   var angle = 0;\
1251
   function ruler_move(evt){\
15111 schaersvoo 1252
    var mouse = getMouse(evt,canvas);\
1253
    switch(ruler_object_cnt){\
9289 schaersvoo 1254
     case 1:\
1255
      angle = 0;\
14057 schaersvoo 1256
      var xy = multisnap_check(mouse.x,mouse.y,use_snap);\
1257
      ruler_y = xy[1];\
9289 schaersvoo 1258
      if( ruler_y > ysize - 20 ){ruler_y = 0.5*ysize;ruler_x = 0.5*xsize;return;};\
14057 schaersvoo 1259
      ruler_x = xy[0];\
9289 schaersvoo 1260
      ctx.clearRect(0,0,xsize,ysize);\
1261
      ctx.save();\
1262
      ctx.translate(ruler_x - xcenter,ruler_y - ycenter);\
1263
      ctx.drawImage(canvas_temp,0,0);\
1264
      ctx.restore();\
1265
      break;\
1266
     case 2:\
11017 schaersvoo 1267
      angle = find_angle(ruler_x,ruler_y,mouse.x,mouse.y);\
9289 schaersvoo 1268
      ctx.clearRect(0,0,xsize,ysize);\
1269
      ctx.save();\
1270
      ctx.translate(ruler_x,ruler_y);\
1271
      ctx.rotate(angle);\
1272
      ctx.translate( -1*xcenter, -1*ycenter );\
1273
      ctx.drawImage( canvas_temp,0,0 );\
1274
      ctx.restore();\
11017 schaersvoo 1275
      userdraw_radius[0] = 2*Math.PI - angle;\
9289 schaersvoo 1276
      break;\
15111 schaersvoo 1277
     case 3:ruler_object_cnt = 0;break;\
9289 schaersvoo 1278
     default:ruler_stop(evt);break;\
1279
    };\
1280
   };\
1281
  };\
15111 schaersvoo 1282
  ruler%d();",canvas_root_id);
9289 schaersvoo 1283
 }
1284
 else
1285
 {
1286
  fprintf(js_include_file,"\
1287
   ctx.clearRect(0,0,xsize,ysize);\
1288
   ctx.save();\
1289
   ctx.translate(ruler_x,ruler_y);\
1290
   ctx.rotate(%d*Math.PI/180);\
1291
   ctx.translate( -1*xcenter, -1*ycenter );\
1292
   ctx.drawImage( canvas_temp,0,0 );\
1293
   ctx.restore();\
1294
  };\
1295
  ruler%d();",dynamic,canvas_root_id);
1296
 }
1297
}
1298
 
15111 schaersvoo 1299
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 1300
 
1301
/*
1302
use_slider_display = 2 : angle in degrees
1303
use_slider_display = 3 : angle in radians
1304
void add_slider_display(FILE *js_include_file,int canvas_root_id,int precision,int font_size,char *font_color,double stroke_opacity){
1305
*/
1306
 
1307
if( type == 1 ){ /* geodriehoek */
15111 schaersvoo 1308
 fprintf(js_include_file,"\n/* command protractor type 1 */\
9289 schaersvoo 1309
 var protractor_data = new Array(3);\
1310
 var protractor%d = function(){\
1311
  var once = true;\
14057 schaersvoo 1312
  var use_snap = %d;\
9289 schaersvoo 1313
  var full = 2*Math.PI;\
1314
  var canvas = create_canvas%d(2000,xsize,ysize);\
1315
  var ctx = canvas.getContext(\"2d\");\
1316
  var canvas_temp =  document.createElement(\"canvas\");\
1317
  var size = parseInt(xsize*(%d)/(xmax - xmin));\
1318
  canvas_temp.width = xsize;\
1319
  canvas_temp.height = ysize;\
1320
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1321
  var type = %d;\
1322
  var xcenter = x2px(%f);\
1323
  var ycenter = y2px(%f);\
1324
  var half = 0.5*size;\
1325
  var radius1 = 0.6*half;\
1326
  var radius2 = 0.65*half;\
1327
  var radius3 = 0.7*half;\
1328
  ctx_temp.font = \"%s\";\
1329
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1330
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1331
  ctx_temp.lineWidth =%d;\
1332
  var use_scale = %d;\
1333
  if( once ){\
1334
   ctx_temp.clearRect(0,0,canvas_temp.width,canvas_temp.height);\
1335
   ctx_temp.beginPath();\
1336
   ctx_temp.moveTo(xcenter-half,ycenter );\
1337
   ctx_temp.lineTo(xcenter,ycenter-half);\
1338
   ctx_temp.lineTo(xcenter+half,ycenter);\
1339
   ctx_temp.lineTo(xcenter-half,ycenter);\
1340
   ctx_temp.moveTo(xcenter,ycenter );\
1341
   ctx_temp.lineTo(xcenter+0.5*half,ycenter-0.5*half);\
1342
   ctx_temp.moveTo(xcenter,ycenter );\
1343
   ctx_temp.lineTo(xcenter-0.5*half,ycenter-0.5*half);\
1344
   ctx_temp.moveTo(xcenter,ycenter );\
1345
   ctx_temp.lineTo(xcenter,ycenter-half);\
1346
   ctx_temp.closePath();\
1347
   ctx_temp.fill();\
1348
   ctx_temp.stroke();\
1349
   ctx_temp.beginPath();\
1350
   ctx_temp.arc(xcenter,ycenter,radius1,0,Math.PI,false);\
1351
   ctx_temp.closePath();\
1352
   if( use_scale == 1 ){\
1353
    ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1354
    var txtsize;\
1355
    for(var p = 45 ; p < 180;p = p+45){\
1356
     txtsize = 0.5*(ctx_temp.measureText(p).width);\
1357
     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));\
1358
    };\
1359
   };\
1360
   for(var p = 10 ; p < 180;p = p+10){\
1361
    ctx_temp.beginPath();\
1362
    ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1363
    ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1364
    ctx_temp.closePath();\
1365
    ctx_temp.stroke();\
1366
   };\
1367
   for(var p = 0 ; p < 180;p=p+2){\
1368
    if(p%%10 != 0){\
1369
     ctx_temp.beginPath();\
1370
     ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1371
     ctx_temp.lineTo(xcenter+radius2*Math.cos(p*Math.PI/180),ycenter-radius2*Math.sin(p*Math.PI/180));\
1372
     ctx_temp.closePath();\
1373
     ctx_temp.stroke();\
1374
    };\
1375
   };\
1376
   ctx_temp.drawImage(canvas,xcenter,ycenter);\
1377
   ctx_temp.save();\
1378
   once = false;\
1379
  };\
14057 schaersvoo 1380
  ",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 1381
}
1382
 
11002 schaersvoo 1383
if( type != 1 ){
15111 schaersvoo 1384
 fprintf(js_include_file,"\n/* command protractor type 0 */\
9289 schaersvoo 1385
 var protractor_data = new Array(3);\
1386
 var protractor%d = function(){\
1387
  var once = true;\
14057 schaersvoo 1388
  var use_snap = %d;\
9289 schaersvoo 1389
  var full = 2*Math.PI;\
1390
  var canvas = create_canvas%d(2000,xsize,ysize);\
1391
  var ctx = canvas.getContext(\"2d\");\
1392
  var canvas_temp =  document.createElement(\"canvas\");\
1393
  var size = parseInt(xsize*(%d)/(xmax - xmin));\
1394
  canvas_temp.width = xsize;\
1395
  canvas_temp.height = ysize;\
1396
  var ctx_temp = canvas_temp.getContext(\"2d\");\
1397
  var type = %d;\
1398
  var xcenter = x2px(%f);\
1399
  var ycenter = y2px(%f);\
1400
  var half = 0.5*size;\
1401
  var radius1 = 0.8*half;\
1402
  var radius2 = 0.9*half;\
1403
  var radius3 = half;\
1404
  ctx_temp.font = \"%s\";\
1405
  ctx_temp.strokeStyle = \"rgba(%s,%f)\";\
1406
  ctx_temp.fillStyle = \"rgba(%s,%f)\";\
1407
  ctx_temp.lineWidth =%d;\
1408
  var use_scale = %d;\
1409
  if( once ){\
1410
   ctx_temp.clearRect(0,0,xsize,ysize);\
1411
   ctx_temp.arc(xcenter,ycenter,radius1,0,2*Math.PI,false);\
1412
   ctx_temp.arc(xcenter,ycenter,radius2,0,2*Math.PI,false);\
1413
   ctx_temp.arc(xcenter,ycenter,radius3,0,2*Math.PI,false);\
1414
   ctx_temp.fill();\
1415
   ctx_temp.stroke();\
1416
   if( use_scale == 1 ){\
1417
    ctx_temp.fillStyle = ctx_temp.strokeStyle;\
1418
    var txtsize;\
1419
    for(var p = 0 ; p < 360;p = p+45){\
1420
     txtsize = 0.5*(ctx_temp.measureText(p).width);\
1421
     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));\
1422
    };\
1423
   };\
1424
   ctx_temp.strokeStyle = \"rgba(255,0,0,0.4)\";\
1425
   for(var p = 0 ; p < 360;p = p+10){\
1426
    ctx_temp.beginPath();\
1427
    ctx_temp.moveTo(xcenter+radius1*Math.cos(p*Math.PI/180),ycenter-radius1*Math.sin(p*Math.PI/180));\
1428
    ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1429
    ctx_temp.closePath();\
1430
    ctx_temp.stroke();\
1431
   };\
1432
   ctx_temp.strokeStyle = \"rgba(0,0,255,0.4)\";\
1433
   for(var p = 0 ; p < 360;p=p+2){\
1434
     ctx_temp.beginPath();\
1435
     ctx_temp.moveTo(xcenter+radius2*Math.cos(p*Math.PI/180),ycenter-radius2*Math.sin(p*Math.PI/180));\
1436
     ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1437
     ctx_temp.closePath();\
1438
     ctx_temp.stroke();\
1439
   };\
1440
   ctx_temp.strokeStyle = \"rgba(0,0,0,0.6)\";\
1441
   for(var p = 0 ; p < 360;p=p+45){\
1442
     ctx_temp.beginPath();\
1443
     ctx_temp.moveTo(xcenter,ycenter);\
1444
     ctx_temp.lineTo(xcenter+radius3*Math.cos(p*Math.PI/180),ycenter-radius3*Math.sin(p*Math.PI/180));\
1445
     ctx_temp.closePath();\
1446
     ctx_temp.stroke();\
1447
   };\
1448
   ctx_temp.drawImage(canvas,0,0);\
1449
   ctx_temp.save();\
1450
   once = false;\
15111 schaersvoo 1451
  };",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 1452
}
1453
if( dynamic == -1 ){ /* rotate the protractors */
9289 schaersvoo 1454
 fprintf(js_include_file,"\
1455
  var protractor_x = xcenter;\
1456
  var protractor_y = ycenter;\
1457
  ctx.drawImage(canvas_temp,0,0);\
11017 schaersvoo 1458
  var angle = 0;\
9289 schaersvoo 1459
  if(wims_status != \"done\"){\
1460
   canvas_div.addEventListener( 'mouseup'   , protractor_stop,false);\
1461
   canvas_div.addEventListener( 'mousedown' , protractor_start,false);\
1462
   canvas_div.addEventListener( 'mousemove' , protractor_move,false);\
11002 schaersvoo 1463
   canvas_div.addEventListener( 'touchstart', function(e){ e.preventDefault();protractor_start(e.changedTouches[0]);},false);\
1464
   canvas_div.addEventListener( 'touchmove', function(e){ e.preventDefault();protractor_move(e.changedTouches[0]);},false);\
1465
   canvas_div.addEventListener( 'touchend', function(e){ e.preventDefault();protractor_stop(e.changedTouches[0]);},false);\
9289 schaersvoo 1466
  };\
1467
  function protractor_stop(evt){\
1468
   protractor_data[0] = protractor_x;\
1469
   protractor_data[1] = protractor_y;\
1470
   protractor_data[2] = angle;\
1471
   return;\
1472
  };\
15111 schaersvoo 1473
  var protractor_object_cnt = 0;\
9289 schaersvoo 1474
  function protractor_start(evt){\
15111 schaersvoo 1475
   var mouse = getMouse(evt,canvas);\
11002 schaersvoo 1476
   var mouse_y = mouse.y;\
1477
   if( mouse_y > ysize - 20 ){return;};\
1478
   var mouse_x = mouse.x;\
1479
   if( mouse_x > protractor_x - half && mouse_x < protractor_x + half ){\
1480
    if( mouse_y > protractor_y - half && mouse_y < protractor_y + half ){\
15111 schaersvoo 1481
     protractor_object_cnt++;\
11002 schaersvoo 1482
     protractor_move(evt);\
1483
     return;\
1484
    };\
15111 schaersvoo 1485
   }else{protractor_object_cnt = 0; return;};\
9289 schaersvoo 1486
  };\
1487
  function protractor_move(evt){\
15111 schaersvoo 1488
   var mouse = getMouse(evt,canvas);\
1489
   switch(protractor_object_cnt){\
9289 schaersvoo 1490
    case 1:\
14057 schaersvoo 1491
      var xy = multisnap_check(mouse.x,mouse.y,use_snap);\
1492
      mouse.x = xy[0];\
1493
      mouse.y = xy[1];\
9289 schaersvoo 1494
      angle = 0;\
14057 schaersvoo 1495
      protractor_x = mouse.x;\
11002 schaersvoo 1496
      protractor_y = mouse.y;\
9289 schaersvoo 1497
      if( protractor_y > ysize - 20 ){protractor_y = 0.5*ysize;protractor_x = 0.5*xsize;return;};\
1498
      ctx.clearRect(0,0,xsize,ysize);\
1499
      ctx.save();\
1500
      ctx.translate(protractor_x - xcenter,protractor_y - ycenter);\
1501
      ctx.drawImage(canvas_temp,0,0);\
1502
      ctx.restore();\
1503
      break;\
1504
    case 2:\
11017 schaersvoo 1505
     angle = find_angle(protractor_x,protractor_y,mouse.x,mouse.y);\
9289 schaersvoo 1506
     ctx.clearRect(0,0,xsize,ysize);\
1507
     ctx.save();\
1508
     ctx.translate(protractor_x,protractor_y);\
1509
     ctx.rotate(angle);\
1510
     ctx.translate( -1*xcenter, -1*ycenter );\
1511
     ctx.drawImage( canvas_temp,0,0 );\
1512
     ctx.restore();\
11017 schaersvoo 1513
     userdraw_radius[0] =2*Math.PI- angle;\
9289 schaersvoo 1514
     break;\
15111 schaersvoo 1515
    case 3:protractor_object_cnt = 0;break;\
9289 schaersvoo 1516
    default:protractor_stop(evt);\
1517
   };\
1518
  };\
1519
 };\
15111 schaersvoo 1520
 protractor%d();",canvas_root_id);
15313 schaersvoo 1521
 
9289 schaersvoo 1522
}
1523
else
1524
{
1525
 fprintf(js_include_file,"\
1526
  ctx.save();\
1527
  ctx.translate(xcenter,ycenter);\
1528
  ctx.rotate(%d*Math.PI/180);\
1529
  ctx.translate( -1*xcenter, -1*ycenter );\
1530
  ctx.drawImage( canvas_temp,0,0 );\
1531
  ctx.restore();\
1532
 };\
1533
 protractor%d();\
1534
",dynamic,canvas_root_id);
1535
} /* end dynamic == -1*/
1536
 
1537
}
9329 schaersvoo 1538
 
14038 schaersvoo 1539
 
1540
 
14044 schaersvoo 1541