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