├── Stats.js
├── jquery.mousewheel.js
├── index.htm
├── ObjectControls.js
├── webGerber.js
└── jquery-1.8.2.min.js


/Stats.js:
--------------------------------------------------------------------------------
1 | // stats.js r10 - http://github.com/mrdoob/stats.js
2 | var Stats=function(){var l=Date.now(),m=l,g=0,n=1E3,o=0,h=0,p=1E3,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";
3 | i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div");
4 | k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=
5 | "block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=
6 | a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};
7 | 


--------------------------------------------------------------------------------
/jquery.mousewheel.js:
--------------------------------------------------------------------------------
 1 | /*! Copyright (c) 2011 Brandon Aaron (http://brandonaaron.net)
 2 |  * Licensed under the MIT License (LICENSE.txt).
 3 |  *
 4 |  * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
 5 |  * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
 6 |  * Thanks to: Seamus Leahy for adding deltaX and deltaY
 7 |  *
 8 |  * Version: 3.0.6
 9 |  * 
10 |  * Requires: 1.2.2+
11 |  */
12 | 
13 | (function($) {
14 | 
15 | var types = ['DOMMouseScroll', 'mousewheel'];
16 | 
17 | if ($.event.fixHooks) {
18 |     for ( var i=types.length; i; ) {
19 |         $.event.fixHooks[ types[--i] ] = $.event.mouseHooks;
20 |     }
21 | }
22 | 
23 | $.event.special.mousewheel = {
24 |     setup: function() {
25 |         if ( this.addEventListener ) {
26 |             for ( var i=types.length; i; ) {
27 |                 this.addEventListener( types[--i], handler, false );
28 |             }
29 |         } else {
30 |             this.onmousewheel = handler;
31 |         }
32 |     },
33 |     
34 |     teardown: function() {
35 |         if ( this.removeEventListener ) {
36 |             for ( var i=types.length; i; ) {
37 |                 this.removeEventListener( types[--i], handler, false );
38 |             }
39 |         } else {
40 |             this.onmousewheel = null;
41 |         }
42 |     }
43 | };
44 | 
45 | $.fn.extend({
46 |     mousewheel: function(fn) {
47 |         return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
48 |     },
49 |     
50 |     unmousewheel: function(fn) {
51 |         return this.unbind("mousewheel", fn);
52 |     }
53 | });
54 | 
55 | 
56 | function handler(event) {
57 |     var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
58 |     event = $.event.fix(orgEvent);
59 |     event.type = "mousewheel";
60 |     
61 |     // Old school scrollwheel delta
62 |     if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta/120; }
63 |     if ( orgEvent.detail     ) { delta = -orgEvent.detail/3; }
64 |     
65 |     // New school multidimensional scroll (touchpads) deltas
66 |     deltaY = delta;
67 |     
68 |     // Gecko
69 |     if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
70 |         deltaY = 0;
71 |         deltaX = -1*delta;
72 |     }
73 |     
74 |     // Webkit
75 |     if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
76 |     if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
77 |     
78 |     // Add event and delta to the front of the arguments
79 |     args.unshift(event, delta, deltaX, deltaY);
80 |     
81 |     return ($.event.dispatch || $.event.handle).apply(this, args);
82 | }
83 | 
84 | })(jQuery);
85 | 


--------------------------------------------------------------------------------
/index.htm:
--------------------------------------------------------------------------------
  1 | <!DOCTYPE html>
  2 | <html>
  3 | <head>
  4 |     <title>webGerber</title>
  5 |     <script src=jquery-1.8.2.min.js></script>
  6 |     <script src=jquery.mousewheel.js></script>
  7 |     <script src=three.min.js></script>
  8 |     <script src=Stats.js></script>
  9 |     <!-- git versions
 10 |     <script src=https://raw.github.com/mrdoob/three.js/master/build/three.min.js></script>
 11 |     <script src=http://mrdoob.github.com/three.js/examples/js/Stats.js></script>
 12 |     -->
 13 |     <script src=ObjectControls.js></script>
 14 |     <script src=webGerber.js></script>
 15 |         <style>
 16 |         body {
 17 |             margin: 0;
 18 |             /*background: #57e;*/
 19 |             /*background: black;
 20 |             color: white;*/
 21 |         }
 22 |         canvas:not(.layer) {
 23 |             position: absolute;
 24 |             left: 0;
 25 |             top: 0;
 26 |         }
 27 |         html, body, canvas:not(.layer), .main, .overlay, .overlay>div {
 28 |             width: 100%;
 29 |             height: 100%;
 30 |         }
 31 |         canvas.layer {
 32 |             display: none;
 33 |         }
 34 |         .main {
 35 |             display: -webkit-box;
 36 |             -webkit-box-orient: horizontal;
 37 |             -webkit-box-pack: center;
 38 |             -webkit-box-align: center;
 39 |             
 40 |             display: -moz-box;
 41 |             -moz-box-orient: horizontal;
 42 |             -moz-box-pack: center;
 43 |             -moz-box-align: center;
 44 |             
 45 |             display: box;
 46 |             box-orient: horizontal;
 47 |             box-pack: center;
 48 |             box-align: center;
 49 |             
 50 |             color: #aaa;
 51 |         }
 52 |         .main>* {
 53 |             border-radius: 10px;
 54 |             padding: 10px;
 55 |             border: 3px dotted #aaa;
 56 |         }
 57 |         .main h1 {
 58 |             margin: 0;
 59 |             -webkit-user-select: none;
 60 |             -moz-user-select: none;
 61 |             user-select: none;
 62 |             font-weight: normal;
 63 |         }
 64 |         .overlay {
 65 |             position: absolute;
 66 |             right: 0;
 67 |             top: 0;
 68 |             z-index: 3000;
 69 |             background: rgba(0, 0, 0, .5);
 70 |             color: white;
 71 |             font-size: 1.7em;
 72 |             font-family: sans-serif;
 73 |         }
 74 |         .overlay>div {
 75 |             display: -webkit-box;
 76 |             -webkit-box-orient: horizontal;
 77 |             -webkit-box-pack: center;
 78 |             -webkit-box-align: center;
 79 |             
 80 |             display: -moz-box;
 81 |             -moz-box-orient: horizontal;
 82 |             -moz-box-pack: center;
 83 |             -moz-box-align: center;
 84 |             
 85 |             display: box;
 86 |             box-orient: horizontal;
 87 |             box-pack: center;
 88 |             box-align: center;
 89 |         }
 90 |         .controls {
 91 |             position: absolute;
 92 |             right: 0;
 93 |             top: 0;
 94 |             padding-left: 10px;
 95 |             padding-right: 10px;
 96 |             z-index: 2000;
 97 |             background: rgba(0, 0, 0, .5);
 98 |             box-shadow: 0 0 .5em rgba(0, 0, 0, .9);
 99 |             -webkit-transition: all 0.4s;
100 |             -moz-transition: all 0.4s;
101 |             transition: all 0.4s;
102 |             color: white;
103 |             font-size: 1.04em;
104 |             font-family: sans-serif;
105 |         }
106 |         .controls>span {
107 |             display: block;
108 |             font-weight: bold;
109 |             -webkit-user-select: none;
110 |             -moz-user-select: none;
111 |             user-select: none;
112 |             cursor: pointer;
113 |             padding-top: 5px;
114 |             padding-bottom: 5px;
115 |             text-align: center;
116 |         }
117 |         .controls>div {
118 |             overflow: hidden;
119 |             -webkit-transition: all 0.4s;
120 |             -moz-transition: all 0.4s;
121 |             transition: all 0.4s;
122 |         }
123 |         .controls:not(.open) {
124 |             border-bottom-left-radius: 5px;
125 |         }
126 |         .controls:not(.open)>div {
127 |             height: 0;
128 |         }
129 |         .controls.open {
130 |             height: 100%;
131 |         }
132 |         
133 |     </style>
134 | </head>
135 | <body>
136 | </body>
137 | </html>
138 | 


--------------------------------------------------------------------------------
/ObjectControls.js:
--------------------------------------------------------------------------------
  1 | /**
  2 |  * @author Eberhard Graether / http://egraether.com/
  3 |  * @note Edited by eddyb to provide object-centered controls instead of camera-centered.
  4 |  */
  5 | 
  6 | THREE.ObjectControls = function ( object, domElement ) {
  7 |     
  8 |     THREE.EventTarget.call( this );
  9 |     
 10 |     var _this = this,
 11 |     STATE = { NONE : -1, ROTATE : 0, ZOOM : 1, PAN : 2 };
 12 |     
 13 |     this.object = object;
 14 |     this.domElement = ( domElement !== undefined ) ? domElement : document;
 15 |     
 16 |     // API
 17 |     
 18 |     this.enabled = true;
 19 |     
 20 |     this.screen = { width: window.innerWidth, height: window.innerHeight, offsetLeft: 0, offsetTop: 0 };
 21 |     this.radius = ( this.screen.width + this.screen.height ) / 4;
 22 |     
 23 |     this.rotateSpeed = 1.0;
 24 |     this.zoomSpeed = 1.2;
 25 |     this.panSpeed = 0.3;
 26 |     
 27 |     this.noRotate = false;
 28 |     this.noZoom = false;
 29 |     this.noPan = false;
 30 |     
 31 |     this.staticMoving = false;
 32 |     this.dynamicDampingFactor = 0.2;
 33 |     
 34 |     this.minDistance = 0;
 35 |     this.maxDistance = Infinity;
 36 |     
 37 |     this.keys = [ 65 /*A*/, 83 /*S*/, 68 /*D*/ ];
 38 |     
 39 |     // internals
 40 |     
 41 |     var lastPosition = new THREE.Vector3();
 42 |     
 43 |     var _keyPressed = false,
 44 |     _state = STATE.NONE,
 45 |     
 46 |     //_eye = new THREE.Vector3(),
 47 |     
 48 |     _rotateStart = new THREE.Vector3(),
 49 |     _rotateEnd = new THREE.Vector3(),
 50 |     
 51 |     _zoomStart = new THREE.Vector2(),
 52 |     _zoomEnd = new THREE.Vector2(),
 53 |     
 54 |     _panStart = new THREE.Vector2(),
 55 |     _panEnd = new THREE.Vector2();
 56 |     
 57 |     
 58 |     // methods
 59 |     
 60 |     this.handleEvent = function ( event ) {
 61 |         
 62 |         if ( typeof this[ event.type ] == 'function' ) {
 63 |             
 64 |             this[ event.type ]( event );
 65 |             
 66 |         }
 67 |         
 68 |     };
 69 |     
 70 |     this.getMouseOnScreen = function ( clientX, clientY ) {
 71 |         
 72 |         return new THREE.Vector2(
 73 |             ( clientX - _this.screen.offsetLeft ) / _this.radius * 0.5,
 74 |             ( clientY - _this.screen.offsetTop ) / _this.radius * 0.5
 75 |         );
 76 |         
 77 |     };
 78 |     
 79 |     this.getMouseProjectionOnBall = function ( clientX, clientY ) {
 80 |         
 81 |         var mouseOnBall = new THREE.Vector3(
 82 |             ( clientX - _this.screen.width * 0.5 - _this.screen.offsetLeft ) / _this.radius,
 83 |             ( _this.screen.height * 0.5 + _this.screen.offsetTop - clientY ) / _this.radius,
 84 |             0.0
 85 |         );
 86 |         
 87 |         var length = mouseOnBall.length();
 88 |         
 89 |         if ( length > 1.0 ) {
 90 |             
 91 |             mouseOnBall.normalize();
 92 |             
 93 |         } else {
 94 |             
 95 |             mouseOnBall.z = Math.sqrt( 1.0 - length * length );
 96 |             
 97 |         }
 98 |         
 99 |         var projection = _this.camera.up.clone().setLength( mouseOnBall.y );
100 |         projection.addSelf( _this.camera.up.clone().crossSelf( _this.eye ).setLength( mouseOnBall.x ) );
101 |         projection.addSelf( _this.eye.clone().setLength( mouseOnBall.z ) );
102 |         
103 |         return projection;//(new THREE.Quaternion).setFromEuler(_this.object.rotation.clone()/*.negate()*/).multiplyVector3(projection);
104 |         
105 |     };
106 |     
107 |     this.rotateCamera = function () {
108 |         var angle = Math.acos( _rotateStart.dot( _rotateEnd ) / _rotateStart.length() / _rotateEnd.length() );
109 | 
110 |         if ( angle ) {
111 | 
112 |             var axis = ( new THREE.Vector3() ).cross( _rotateStart, _rotateEnd ).normalize();
113 |             angle *= _this.rotateSpeed;
114 |             
115 |             if ( _this.staticMoving )
116 |                 _rotateStart = _rotateEnd;
117 |             else {
118 |                 _rotateStart.multiplyScalar(1 - _this.dynamicDampingFactor).addSelf(_rotateEnd.clone().multiplyScalar(_this.dynamicDampingFactor));
119 |                 //var quaternion = new THREE.Quaternion();
120 |                 //quaternion.setFromAxisAngle( axis, angle * ( _this.dynamicDampingFactor - 1.0 ) );
121 |                 //quaternion.multiplyVector3( _rotateStart );
122 | 
123 |             }
124 |             
125 |             _this.object.useQuaternion = true;
126 |             _this.object.quaternion.clone().inverse().multiplyVector3(axis);
127 |             _this.object.quaternion.multiplySelf((new THREE.Quaternion).setFromAxisAngle(axis, angle));
128 | 
129 | 
130 |         }
131 |         
132 |     };
133 |     
134 |     this.zoomCamera = function () {
135 |         
136 |         var factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed;
137 |         
138 |         if ( factor !== 1.0 && factor > 0.0 ) {
139 |             _this.object.position.y *= factor;
140 |             
141 |             if ( _this.staticMoving )
142 |                 _zoomStart = _zoomEnd;
143 |             else
144 |                 _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor;
145 |             
146 |         }
147 |         
148 |     };
149 |     
150 |     this.panCamera = function () {
151 |         
152 |         var mouseChange = _panEnd.clone().subSelf( _panStart );
153 |         
154 |         if ( mouseChange.x || mouseChange.y ) {
155 |             mouseChange.multiplyScalar( Math.abs(_this.object.position.y) * _this.panSpeed );
156 |             
157 |             var pan = _this.eye.clone().crossSelf( _this.camera.up ).setLength( mouseChange.x );
158 |             pan.addSelf( _this.camera.up.clone().setLength( mouseChange.y ) );
159 |             
160 |             _this.object.position.subSelf( pan );
161 |             
162 |             if ( _this.staticMoving )
163 |                 _panStart = _panEnd;
164 |             else
165 |                 _panStart.addSelf( mouseChange.sub( _panEnd, _panStart ).multiplyScalar( _this.dynamicDampingFactor ) );
166 |             
167 |         }
168 |         
169 |     };
170 |     
171 |     this.update = function () {
172 |         if ( !_this.noRotate ) 
173 |             _this.rotateCamera();
174 |         if ( !_this.noZoom )
175 |             _this.zoomCamera();
176 |         if ( !_this.noPan )
177 |             _this.panCamera();
178 |     };
179 |     
180 |     // listeners
181 |     
182 |     function keydown( event ) {
183 |         
184 |         if ( ! _this.enabled ) return;
185 |         
186 |         if ( _state !== STATE.NONE ) {
187 |             
188 |             return;
189 |             
190 |         } else if ( event.keyCode === _this.keys[ STATE.ROTATE ] && !_this.noRotate ) {
191 |             
192 |             _state = STATE.ROTATE;
193 |             
194 |         } else if ( event.keyCode === _this.keys[ STATE.ZOOM ] && !_this.noZoom ) {
195 |             
196 |             _state = STATE.ZOOM;
197 |             
198 |         } else if ( event.keyCode === _this.keys[ STATE.PAN ] && !_this.noPan ) {
199 |             
200 |             _state = STATE.PAN;
201 |             
202 |         }
203 |         
204 |         if ( _state !== STATE.NONE ) {
205 |             
206 |             _keyPressed = true;
207 |             
208 |         }
209 |         
210 |     };
211 |     
212 |     function keyup( event ) {
213 |         
214 |         if ( ! _this.enabled ) return;
215 |         
216 |         if ( _state !== STATE.NONE ) {
217 |             
218 |             _state = STATE.NONE;
219 |             
220 |         }
221 |         
222 |     };
223 |     
224 |     function mousedown( event ) {
225 |         
226 |         if ( ! _this.enabled ) return;
227 |         
228 |         event.preventDefault();
229 |         event.stopPropagation();
230 |         
231 |         if ( _state === STATE.NONE ) {
232 |             
233 |             _state = event.button;
234 |             
235 |             if ( _state === STATE.ROTATE && !_this.noRotate ) {
236 |                 
237 |                 _rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
238 |                 
239 |             } else if ( _state === STATE.ZOOM && !_this.noZoom ) {
240 |                 
241 |                 _zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
242 |                 
243 |             } else if ( !_this.noPan ) {
244 |                 
245 |                 _panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
246 |                 
247 |             }
248 |             
249 |         }
250 |         
251 |     };
252 |     
253 |     function mousemove( event ) {
254 |         
255 |         if ( ! _this.enabled ) return;
256 |         
257 |         if ( _keyPressed ) {
258 |             
259 |             _rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
260 |             _zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
261 |             _panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
262 |             
263 |             _keyPressed = false;
264 |             
265 |         }
266 |         
267 |         if ( _state === STATE.NONE ) {
268 |             
269 |             return;
270 |             
271 |         } else if ( _state === STATE.ROTATE && !_this.noRotate ) {
272 |             
273 |             _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
274 |             
275 |         } else if ( _state === STATE.ZOOM && !_this.noZoom ) {
276 |             
277 |             _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
278 |             
279 |         } else if ( _state === STATE.PAN && !_this.noPan ) {
280 |             
281 |             _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
282 |             
283 |         }
284 |         
285 |     };
286 |     
287 |     function mouseup( event ) {
288 |         
289 |         if ( ! _this.enabled ) return;
290 |         
291 |         event.preventDefault();
292 |         event.stopPropagation();
293 |         
294 |         _state = STATE.NONE;
295 |         
296 |     };
297 |     
298 |     this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
299 |     
300 |     this.domElement.addEventListener( 'mousemove', mousemove, false );
301 |     this.domElement.addEventListener( 'mousedown', mousedown, false );
302 |     this.domElement.addEventListener( 'mouseup', mouseup, false );
303 |     
304 |     window.addEventListener( 'keydown', keydown, false );
305 |     window.addEventListener( 'keyup', keyup, false );
306 |     
307 | };


--------------------------------------------------------------------------------
/webGerber.js:
--------------------------------------------------------------------------------
   1 | var wG = window.wG || {};
   2 | 
   3 | wG.BOTTOM = 1, wG.TOP = 2;
   4 | wG.BOARD = 0, wG.COPPER = 1, wG.SOLDER = 2, wG.PASTE = 3, wG.SILK = 4, wG.OUTLINE = 5;
   5 | 
   6 | // Layer names.
   7 | wG.layerNames = {};
   8 | wG.layerNames[''] = 'No layer';
   9 | wG.layerNames[wG.BOTTOM+''+wG.COPPER] = 'Bottom copper';
  10 | wG.layerNames[wG.BOTTOM+''+wG.SOLDER] = 'Bottom solder mask';
  11 | wG.layerNames[wG.BOTTOM+''+wG.PASTE] = 'Bottom solder paste';
  12 | wG.layerNames[wG.BOTTOM+''+wG.SILK] =   'Bottom silk-screen';
  13 | wG.layerNames[wG.TOP+''+wG.COPPER] = 'Top copper';
  14 | wG.layerNames[wG.TOP+''+wG.SOLDER] = 'Top solder mask';
  15 | wG.layerNames[wG.TOP+''+wG.PASTE] = 'Top solder paste';
  16 | wG.layerNames[wG.TOP+''+wG.SILK] =   'Top silk-screen';
  17 | wG.layerNames[(wG.TOP|wG.BOTTOM)+''+wG.BOARD] = 'Drill';
  18 | wG.layerNames[(wG.TOP|wG.BOTTOM)+''+wG.OUTLINE] = 'Outline';
  19 | 
  20 | // All the layer types above.
  21 | wG.layerTypes = [
  22 |     '',
  23 |     wG.BOTTOM+''+wG.COPPER,
  24 |     wG.BOTTOM+''+wG.SOLDER,
  25 |     wG.BOTTOM+''+wG.PASTE,
  26 |     wG.BOTTOM+''+wG.SILK,
  27 |     wG.TOP+''+wG.COPPER,
  28 |     wG.TOP+''+wG.SOLDER,
  29 |     wG.TOP+''+wG.PASTE,
  30 |     wG.TOP+''+wG.SILK,
  31 |     (wG.TOP|wG.BOTTOM)+''+wG.BOARD,
  32 |     (wG.TOP|wG.BOTTOM)+''+wG.OUTLINE,
  33 | ];
  34 | 
  35 | // Colors for the layers (comments contain fancy math for color deduction :P).
  36 | wG.colors = [];
  37 | // Board + SolderMask = #36620a
  38 | // Board*.5 + (94*.5, 152*.5, 6*.5) = #36620a
  39 | // Board = (#36620a - (94/2, 152/2, 6/2))/.5
  40 | // Board = (54-47, 98-76, 10-3)*2
  41 | // Board = (7*2, 22*2, 7*2)
  42 | // Board = (14, 44, 14) = #0e2c0e
  43 | wG.colors[wG.BOARD]  = '#0e2c0e';//'#203020';//'#255005';
  44 | // Copper = #b87333
  45 | wG.colors[wG.COPPER] = '#b87333';//'#c0b030'
  46 | // Copper + SolderMask = #8b861d
  47 | // SolderMask*.5 + (184*.5, 115*.5, 51*.5) = #8b861d
  48 | // SolderMask = (#8b861d - (184/2, 115/2, 51/2))/.5
  49 | // SolderMask = (139-92, 134-58, 29-26)*2
  50 | // SolderMask = (47*2, 76*2, 3*2) = (94, 152, 6)
  51 | wG.colors[wG.SOLDER] = 'rgba(94, 152, 6, .5)';//'rgba(37, 80, 5, .7)';
  52 | wG.colors[wG.PASTE]  = '#e6e8fa';
  53 | wG.colors[wG.SILK]   = '#ffffff';
  54 | 
  55 | // Guesses a layer's type from its filename.
  56 | wG.guessLayer = function guessLayer(f) {
  57 |     f = f.toLowerCase();
  58 |     if(f.match(/\.drl|\.drd|\.txt|\.xln/))
  59 |         return [wG.BOTTOM|wG.TOP, wG.BOARD];
  60 |     if(f.match(/\.out|\.gml|outline/))
  61 |         return [wG.BOTTOM|wG.TOP, wG.OUTLINE];
  62 |     if(f.match(/\.gbl|\.sol/) || f.match(/bot/) && f.match(/copper|signal/))
  63 |         return [wG.BOTTOM, wG.COPPER];
  64 |     if(f.match(/\.gbs|\.sts/) || f.match(/bot/) && f.match(/s(?:old(?:er|)|)ma?(?:sk|ks)/))
  65 |         return [wG.BOTTOM, wG.SOLDER];
  66 |     if(f.match(/\.gbp|\.crs/) || f.match(/bot/) && f.match(/pas/))
  67 |         return [wG.BOTTOM, wG.PASTE];
  68 |     if(f.match(/\.gbo|\.pls/) || f.match(/bot/) && f.match(/si?lk/))
  69 |         return [wG.BOTTOM, wG.SILK];
  70 |     if(f.match(/\.gtl|\.cmp/) || f.match(/top/) && f.match(/copper|signal/))
  71 |         return [wG.TOP, wG.COPPER];
  72 |     if(f.match(/\.gts|\.stc/) || f.match(/top/) && f.match(/s(?:old(?:er|)|)ma?(?:sk|ks)/))
  73 |         return [wG.TOP, wG.SOLDER];
  74 |     if(f.match(/\.gtp|\.crc/) || f.match(/top/) && f.match(/pas/))
  75 |         return [wG.TOP, wG.PASTE];
  76 |     if(f.match(/\.gto|\.plc/) || f.match(/top/) && f.match(/si?lk/))
  77 |         return [wG.TOP, wG.SILK];
  78 | };
  79 | 
  80 | // Loads a Excellon drill file.
  81 | wG.loadDrill = function loadDrill(text) {
  82 |     text = text.replace(/^[\s%]*M48/, '');
  83 |     text = text.replace(/[^\S\n]+/g, '');
  84 |     
  85 |     function numVal(x) {
  86 |         if(x[0] == '+')
  87 |             return numVal(x.slice(1));
  88 |         if(x[0] == '-')
  89 |             return -numVal(x.slice(1));
  90 |         if(x == '0')
  91 |             return 0;
  92 |         if(g.omitLead)
  93 |             while(x.length < g.num)
  94 |                 x = '0'+x;
  95 |         else
  96 |             while(x.length < g.num)
  97 |                 x += '0';
  98 |         return parseFloat(x.slice(0, g.int)+'.'+x.slice(g.int), 10);
  99 |     }
 100 |     
 101 |     var cmds = text.split('\n');
 102 |     
 103 |     var g = {offA: 0, offB: 0, shapes: [], cmds: [], scale: 1}, shape, body = false, prevX = 0, prevY = 0;
 104 |     
 105 |     for(var i = 0; i < cmds.length; i++) {
 106 |         var d = cmds[i];
 107 |         if(!body) {
 108 |             if(d[0] == 'T') {
 109 |                 var r = /^T(\d+)[^C]*C([\d.]+)/.exec(d); // assert(r);
 110 |                 g.shapes[parseInt(r[1], 10)] = ['C', +r[2]];
 111 |             }
 112 |             else if(d == 'METRIC,LZ')
 113 |                 g.scale = 1, g.omitLead = false, g.int = 3, g.dec = 3, g.num = 6;
 114 |             else if(d == 'METRIC,TZ' || d == 'M71')
 115 |                 g.scale = 1, g.omitLead = true, g.int = 3, g.dec = 3, g.num = 6;
 116 |             else if(d == 'INCH,LZ')
 117 |                 g.scale = 25.4, g.omitLead = false, g.int = 2, g.dec = 4, g.num = 6;
 118 |             else if(d == 'INCH,TZ' || d == 'M72')
 119 |                 g.scale = 25.4, g.omitLead = true, g.int = 2, g.dec = 4, g.num = 6;
 120 |             else if(d == '%')
 121 |                 body = true;
 122 |         } else {
 123 |             function getNum(offset) {
 124 |                 var r = /^[-+\d]*/.exec(d = d.slice(offset)); // assert(r);
 125 |                 d = d.slice(r[0].length);
 126 |                 return numVal(r[0]);
 127 |             }
 128 |             if(d[0] == 'T')
 129 |                 shape = parseInt(d.slice(1), 10);
 130 |             else if(d[0] == 'R') {
 131 |                 var r = /^\d+/.exec(d = d.slice(1)); // assert(r);
 132 |                 var nr = parseInt(r[0], 10), dx = 0, dy = 0;
 133 |                 d = d.slice(r[0].length);
 134 |                 if(d[0] == 'X')
 135 |                     dx = getNum(1);
 136 |                 if(d[0] == 'Y')
 137 |                     dy = getNum(1);
 138 |                 
 139 |                 // assert(!d.length);
 140 |                 for(var x = prevX, y = prevY, j = 0; j < nr; j++)
 141 |                     x += dx, y += dy, g.cmds.push([(1<<2) | 3, shape, x, y]);
 142 |                 prevX = x, prevY = y;
 143 |             }
 144 |             else {
 145 |                 var x = prevX, y = prevY, coords = false;
 146 |                 if(d[0] == 'X')
 147 |                     x = getNum(1), coords = true;
 148 |                 if(d[0] == 'Y')
 149 |                     y = getNum(1), coords = true;
 150 |                 if(coords) {
 151 |                     g.cmds.push([(1<<2) | 3, shape, x, y]);
 152 |                     prevX = x, prevY = y;
 153 |                 }
 154 |             }
 155 |         }
 156 |     }
 157 |     return g;
 158 | };
 159 | 
 160 | // Loads a Gerber file.
 161 | wG.load = function load(text) {
 162 |     if(text.match(/^[\s%]*M48/))
 163 |         return wG.loadDrill(text);
 164 |     
 165 |     text = text.replace(/\s+/g, ''); // Get rid of any spaces/newlines.
 166 |     //text = text.replace(/%%+/g, ''); // Compact parameters.
 167 |     
 168 |     // Split into data and parameters sections;
 169 |     var sections = text.split('%');
 170 |     
 171 |     var g = {offA: 0, offB: 0, shapes: [], cmds: [], scale: 1}, shape = 0, macros = {}, mode = 1, inverted = false, prevX = 0, prevY = 0;
 172 |     
 173 |     function numVal(x) {
 174 |         if(x[0] == '+')
 175 |             return numVal(x.slice(1));
 176 |         if(x[0] == '-')
 177 |             return -numVal(x.slice(1));
 178 |         if(x == '0')
 179 |             return 0;
 180 |         if(g.omitLead)
 181 |             while(x.length < g.num)
 182 |                 x = '0'+x;
 183 |         else
 184 |             while(x.length < g.num)
 185 |                 x += '0';
 186 |         return parseFloat(x.slice(0, g.int)+'.'+x.slice(g.int), 10);
 187 |     }
 188 |     
 189 |     // Even positions are function codes, odd ones are parameters.
 190 |     for(var i = 0; i < sections.length; i++) {
 191 |         // Ignore empty sections.
 192 |         if(!sections[i].length)
 193 |             continue;
 194 |         // Get rid of data end markers at the end of data.
 195 |         sections[i][sections[i].length-1] == '*' && (sections[i] = sections[i].slice(0, -1));
 196 |         sections[i] = sections[i].split('*');
 197 |         for(var j = 0; j < sections[i].length; j++) {
 198 |             var d = sections[i][j];
 199 |             if(i%2) { // Parameters.
 200 |                 if(d[0] == 'F' && d[1] == 'S') {// Format Specification.
 201 |                     var r = /^([LT]?)([AI])X(\d)(\d)Y(\d)(\d)$/.exec(d.slice(2)); // assert(r);
 202 |                     g.omitLead = !r[1] || r[1] == 'L';
 203 |                     g.abs = r[2] == 'A';
 204 |                     if(!g.abs) throw new Error('Need absolute values');
 205 |                     g.int = +r[3], g.dec = +r[4], g.num = g.int+g.dec;
 206 |                 } else if(d[0] == 'O' && d[1] == 'F') {// Offset.
 207 |                     var r = /^(?:A([-+\d.]+)|)(?:B([-+\d.]+)|)$/.exec(d.slice(2)); // assert(r);
 208 |                     g.offA = parseInt(r[1], 10), g.offB = parseInt(r[2], 10);
 209 |                 } else if(d == 'IPNEG') // Image Polarity.
 210 |                     throw new Error('Negative image polarity');
 211 |                 else if(d[0] == 'L' && d[1] == 'P') { // Layer Polarity.
 212 |                     if(inverted && d[2] == 'D') // Switch to dark.
 213 |                         g.cmds.push([16<<2, inverted = false]);
 214 |                     else if(!inverted && d[2] == 'C') // Switch to clear.
 215 |                         g.cmds.push([16<<2, inverted = true]);
 216 |                 } else if(d[0] == 'A' && d[1] == 'M') { // Aperture Macro.
 217 |                     var macro = [];
 218 |                     for(j++; j < sections[i].length; j++)
 219 |                         macro.push(sections[i][j]/*.split(',')*/);
 220 |                     macros[d.slice(2)] = macro;
 221 |                 } else if(d[0] == 'A' && d[1] == 'D' && d[2] == 'D') { // Aperture Definition.
 222 |                     var r = /^(\d+)([^,]+)(?:,(.+)|)$/.exec(d.slice(3)); // assert(r);
 223 |                     var j = r[1]-10, args = [];
 224 |                     if(r[3])
 225 |                         args = r[3].split('X');
 226 |                     if(macros[r[2]]) {
 227 |                         function applyArgs(m) {
 228 |                             m = m.replace(/\$(\d+)/g, function(s, n) {
 229 |                                 return +args[n-1] || 0;
 230 |                             }).toLowerCase(), repl = true;
 231 |                             while(repl == true)
 232 |                                 repl = false, m = m.replace(/([\d.]+)x([\d.]+)/g, function(s, a, b) {return repl = true, a*b});
 233 |                             repl = true;
 234 |                             while(repl == true)
 235 |                                 repl = false, m = m.replace(/([\d.]+)\/([\d.]+)/g, function(s, a, b) {return repl = true, a/b});
 236 |                             repl = true;
 237 |                             while(repl == true)
 238 |                                 repl = false, m = m.replace(/([\d.]+)\+([\d.]+)/g, function(s, a, b) {return repl = true, a+b});
 239 |                             repl = true;
 240 |                             while(repl == true)
 241 |                                 repl = false, m = m.replace(/([\d.]+)-([\d.]+)/g, function(s, a, b) {return repl = true, a-b});
 242 |                             return m;
 243 |                         }
 244 |                         var m1 = macros[r[2]], m2 = [];
 245 |                         for(var k = 0; k < m1.length; k++) {
 246 |                             var eq = /^\$(\d+)=(.+)$/.exec(m1[k]);
 247 |                             if(eq)
 248 |                                 args[eq[1]-1] = +applyArgs(eq[2]);
 249 |                             else
 250 |                                 m2.push(applyArgs(m1[k]).split(',').map(function(x) {return +x}));
 251 |                         }
 252 |                         g.shapes[j] = ['M', m2];
 253 |                         
 254 |                     } else
 255 |                         g.shapes[j] = [r[2]].concat(args.map(function(x) {return +x}));
 256 |                     if(j < shape)
 257 |                         shape = j;
 258 |                 } else if(d == 'MOIN') // Specify Inches.
 259 |                     g.scale = 25.4;
 260 |                 else if(d == 'MOMM') // Specify MMs.
 261 |                     g.scale = 1;
 262 |                 else
 263 |                     console.log(d);
 264 |             } else { // Function codes.
 265 |                 if(d[0] == 'G' && d[1] == '0' && d[2] == '4' || d[0] == 'M')
 266 |                     continue;
 267 |                 if(d[0] == 'G' && d[1] == '5' && d[2] == '4')
 268 |                     d = d.slice(3);
 269 |                 if(d == 'G70') { // Specify Inches.
 270 |                     g.scale = 25.4;
 271 |                     continue;
 272 |                 }
 273 |                 if(d == 'G74') { // Set Single quadrant mode.
 274 |                     mode &= ~4;
 275 |                     continue;
 276 |                 }
 277 |                 if(d == 'G75') { // Set Multi quadrant mode.
 278 |                     mode |= 4;
 279 |                     continue;
 280 |                 }
 281 |                 if(d == 'G36') { // Start Outline fill.
 282 |                     if(!(mode & 8))
 283 |                         g.cmds.push([8<<2, true]);
 284 |                     mode |= 8;
 285 |                     continue;
 286 |                 }
 287 |                 if(d == 'G37') { // End Outline fill.
 288 |                     if(mode & 8)
 289 |                         g.cmds.push([8<<2, false]);
 290 |                     mode &= ~8;
 291 |                     continue;
 292 |                 }
 293 |                 var cmode = 0;
 294 |                 if(d[0] == 'G' && d.length > 4) {
 295 |                     var r = /^\d*/.exec(d = d.slice(1)); // assert(r);
 296 |                     mode = (mode & 12) | (cmode = parseInt(r[0], 10));
 297 |                     d = d.slice(r[0].length);
 298 |                 }
 299 |                 function getNum(offset) {
 300 |                     var r = /^[-+\d]*/.exec(d = d.slice(offset)); // assert(r);
 301 |                     d = d.slice(r[0].length);
 302 |                     return numVal(r[0]);
 303 |                 }
 304 |                 var x = prevX, y = prevY, oi = 0, oj = 0, hasX = false, hasY = false;
 305 |                 if(d[0] == 'X')
 306 |                     x = getNum(1), hasX = true;
 307 |                 if(d[0] == 'Y')
 308 |                     y = getNum(1), hasY = true;
 309 |                 if(d[0] == 'I')
 310 |                     oi = getNum(1), (!(mode&2) && (x += oi, hasX = true));
 311 |                 if(d[0] == 'J')
 312 |                     oj = getNum(1), (!(mode&2) && (y += oj, hasY = true));
 313 |                 if(d[0] == 'D')  {// Draw.
 314 |                     if(d[1] == '0')
 315 |                         g.cmds.push([(mode<<2) | d[2], shape, x, y, oi, oj]);
 316 |                     else
 317 |                         shape = d.slice(1)-10;
 318 |                 } else if(hasX && (x != prevX) || hasY && (y != prevY))
 319 |                     g.cmds.push([(mode<<2) | 1, shape, x, y, oi, oj]);
 320 |                 else
 321 |                     console.log(d);
 322 |                 prevX = x, prevY = y;
 323 |             }
 324 |         }
 325 |     }
 326 |     return g;
 327 | };
 328 | 
 329 | // Extends the limits to include all the shapes in the layer.
 330 | wG.touchLimits = function touchLimits(g, r) {
 331 |     var scale = g.scale;
 332 |     r.minX /= scale, r.minY /= scale, r.maxX /= scale, r.maxY /= scale;
 333 |     for(var i = 0; i < g.cmds.length; i++) {
 334 |         var s = g.shapes[g.cmds[i][1]];
 335 |         if(!s)
 336 |             continue;
 337 |         var x = g.cmds[i][2], y = g.cmds[i][3], rx = 0, ry = 0;
 338 |         if(s[0] == 'C')
 339 |             rx = ry = s[1]/2;
 340 |         else if(s[0] == 'R')
 341 |             rx = s[1]/2, ry = s[2]/2;
 342 |         else
 343 |             continue;
 344 |         
 345 |         if(x-rx < r.minX)
 346 |             r.minX = x-rx;
 347 |         if(y-ry < r.minY)
 348 |             r.minY = y-ry;
 349 |         if(x+rx > r.maxX)
 350 |             r.maxX = x+rx;
 351 |         if(y+ry > r.maxY)
 352 |             r.maxY = y+ry;
 353 |     }
 354 |     r.minX *= scale, r.minY *= scale, r.maxX *= scale, r.maxY *= scale;
 355 | };
 356 | 
 357 | // Renders one layer onto a 2D canvas.
 358 | wG.renderLayer = function renderLayer(canvas, g, limits) {
 359 |     var ctx = canvas.getContext('2d');
 360 |     
 361 |     // Use only for debugging purposes
 362 |     //var color = g.type ? wG.colors[g.type] : 'black';
 363 |     var color = 'black';
 364 |     ctx.globalCompositeOperation = 'source-over';
 365 |     ctx.fillStyle = color, ctx.strokeStyle = color;
 366 |     
 367 |     var scaleX = canvas.width / (limits.maxX-limits.minX) * g.scale, scaleY = canvas.height / (limits.maxY-limits.minY) * g.scale;
 368 |     var scaleMax = Math.max(scaleX, scaleY);
 369 |     ctx.setTransform(scaleX, 0, 0, scaleY, 0, 0);
 370 |     
 371 |     var prevX = 0, prevY = 0, minX = limits.minX/g.scale, minY = limits.minY/g.scale;
 372 |     for(var i = 0; i < g.cmds.length; i++) {
 373 |         var mode = (g.cmds[i][0] >> 2), op = g.cmds[i][0] & 3;
 374 |         if(mode == 16) { // Switch layer polarity.
 375 |             ctx.globalCompositeOperation = g.cmds[i][1] ? 'destination-out' : 'source-over';
 376 |             continue;
 377 |         }
 378 |         var x = g.cmds[i][2]-minX, y = g.cmds[i][3]-minY;
 379 |         if(mode & 8) { // Outline fill mode.
 380 |             mode &= ~8;
 381 |             if(op == 0) { // Start/End Outline fill mode.
 382 |                 if(g.cmds[i][1])
 383 |                     ctx.beginPath(), ctx.moveTo(prevX, prevY);
 384 |                 else
 385 |                     ctx.fill();
 386 |                 continue;
 387 |             }
 388 |             if(op == 2) // Fill.
 389 |                 ctx.fill(), ctx.beginPath(), ctx.moveTo(x, y);
 390 |             else if(op == 1) { // Draw.
 391 |                 if(mode == 1 || mode == 5) // Linear Interpolation.
 392 |                     ctx.lineTo(x, y);
 393 |                 else if(mode == 2 || mode == 3) // Single quadrant Circular Interpolation.
 394 |                     console.log('(FILL) Failed to single quadrant '+(mode==3?'CCW':'CW'), g.cmds[i], s);
 395 |                 else if(mode == 6 || mode == 7) { // Multi quadrant Circular Interpolation.
 396 |                     var ox = g.cmds[i][4], oy = g.cmds[i][5], cx = prevX+ox, cy = prevY+oy;
 397 |                     ctx.arc(cx, cy, Math.sqrt(ox*ox+oy*oy), Math.atan2(-oy, -ox), Math.atan2(y-cy, x-cx), mode == 6);
 398 |                 } else
 399 |                     console.log(mode);
 400 |             } else
 401 |                 console.log(mode, op);
 402 |             prevX = x, prevY = y;
 403 |             continue;
 404 |         }
 405 |         var s = g.shapes[g.cmds[i][1]];
 406 |         if(!s) {
 407 |             console.log(g.cmds[i], s);
 408 |             continue;
 409 |         }
 410 |         if(op != 2) {
 411 |             if(op == 3) { // Expose.
 412 |                 if(s[0] == 'C')
 413 |                     ctx.beginPath(), ctx.arc(x, y, s[1]/2, 0, Math.PI*2), ctx.fill();
 414 |                 else if(s[0] == 'R')
 415 |                     ctx.beginPath(), ctx.rect(x-s[1]/2, y-s[2]/2, s[1], s[2]), ctx.fill();
 416 |                 else if(s[0] == 'O') {
 417 |                     ctx.beginPath(), ctx.moveTo(x, y - s[2] / 2);
 418 |                     ctx.bezierCurveTo(x + s[1] / 2, y - s[2] / 2, x + s[1] / 2, y + s[2] / 2, x, y + s[2] / 2);
 419 |                     ctx.bezierCurveTo(x - s[1] / 2, y + s[2] / 2, x - s[1] / 2, y - s[2] / 2, x, y - s[2] / 2);
 420 |                     ctx.fill();
 421 |                 } else if(s[0] == 'M') { // Aperture Macro.
 422 |                     for(var j = 0; j < s[1].length; j++) {
 423 |                         var m = s[1][j];
 424 |                         if((m[0] == 2 || m[0] == 20) && m[1]) { // Line.
 425 |                             ctx.lineWidth = m[2];
 426 |                             ctx.lineCap = 'square';
 427 |                             ctx.beginPath();
 428 |                             ctx.moveTo(x+m[3], y+m[4]), ctx.lineTo(x+m[5], y+m[6]);
 429 |                             ctx.stroke();
 430 |                         } else if(m[0] == 21 && m[1]) { // Rectangle.
 431 |                             ctx.beginPath(), ctx.rect(x+m[4]-m[2]/2, y+m[5]-m[3]/2, m[2], m[3]), ctx.fill();
 432 |                         } else if(m[0] == 4 && m[1]) { // Outline.
 433 |                             ctx.beginPath();
 434 |                             ctx.moveTo(m[3], m[4]);
 435 |                             for(var k = 1; k < m[2]; k++)
 436 |                                 ctx.lineTo(m[3+k*2], m[4+k*2]);
 437 |                             ctx.fill();
 438 |                         } else if(m[0] == 5 && m[1]) { // Polygon (regular).
 439 |                             var nSides = m[2], cx = x+m[3], cy = y+m[4], r = m[5]/2;
 440 |                             ctx.beginPath();
 441 |                             var step = 2 * Math.PI / nSides, angle = m[6] * Math.PI / 180;
 442 |                             ctx.moveTo(cx +  r * Math.cos(angle), cy +  r *  Math.sin(angle));
 443 |                             for(var k = 0; k < nSides; k++) {
 444 |                                 angle += step;
 445 |                                 ctx.lineTo(cx + r * Math.cos(angle), cy + r * Math.sin(angle));
 446 |                             }
 447 |                             ctx.fill();
 448 |                         } else {
 449 |                             console.log('Failed to macro', m, g.cmds[i], s);
 450 |                             ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 451 |                             ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 452 |                             ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 453 |                             ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 454 |                             ctx.fillStyle = color;
 455 |                         }
 456 |                     }
 457 |                 } else {
 458 |                     console.log('Failed to expose', g.cmds[i], s);
 459 |                     ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 460 |                     ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 461 |                     ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 462 |                     ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 463 |                     ctx.fillStyle = color;
 464 |                 }
 465 |             }
 466 |             else if(op == 1) { // Draw.
 467 |                 if(s[0] == 'C') {
 468 |                     if(!s[1]) {
 469 |                         prevX = x, prevY = y;
 470 |                         continue;
 471 |                     }
 472 |                     
 473 |                     //HACK Copper lines get some extra thickness.
 474 |                     if(g.type == wG.COPPER)
 475 |                         ctx.lineWidth = Math.ceil(s[1]*scaleMax/3+.01)/scaleMax*3;
 476 |                     else
 477 |                         ctx.lineWidth = Math.max(s[1], 0.008);
 478 |                     ctx.lineCap = 'round';
 479 |                     if(mode == 1 || mode == 5) { // Linear Interpolation.
 480 |                         ctx.beginPath();
 481 |                         ctx.moveTo(prevX, prevY), ctx.lineTo(x, y);
 482 |                         ctx.stroke();
 483 |                     } else if(mode == 2 || mode == 3) { // Single quadrant Circular Interpolation.
 484 |                         console.log('Failed to single quadrant '+(mode==3?'CCW':'CW'), g.cmds[i], s);
 485 |                         ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 486 |                         ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 487 |                         ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 488 |                         ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 489 |                         ctx.fillStyle = color;
 490 |                     } else if(mode == 6 || mode == 7) { // Multi quadrant Circular Interpolation.
 491 |                         var ox = g.cmds[i][4], oy = g.cmds[i][5], cx = prevX+ox, cy = prevY+oy;
 492 |                         ctx.beginPath();
 493 |                         ctx.arc(cx, cy, Math.sqrt(ox*ox+oy*oy), Math.atan2(-oy, -ox), Math.atan2(y-cy, x-cx), mode == 6);
 494 |                         ctx.stroke();
 495 |                     } else {
 496 |                         console.log('Failed to draw with circle', g.cmds[i], s);
 497 |                         ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 498 |                         ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 499 |                         ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 500 |                         ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 501 |                         ctx.fillStyle = color;
 502 |                     }
 503 |                 } else {
 504 |                     console.log('Failed to draw', g.cmds[i], s);
 505 |                     ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 506 |                     ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 507 |                     ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 508 |                     ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 509 |                     ctx.fillStyle = color;
 510 |                 }
 511 |             }
 512 |             else {
 513 |                 console.log('Failed to '+mode+' '+type, g.cmds[i], s);
 514 |                 ctx.fillStyle = 'rgba(255, 0, 0, 1)';
 515 |                 ctx.beginPath(), ctx.arc(x, y, .5, 0, Math.PI*2), ctx.fill();
 516 |                 ctx.fillStyle = 'rgba(255, 0, 0, .2)';
 517 |                 ctx.beginPath(), ctx.arc(x, y, 1.5, 0, Math.PI*2), ctx.fill();
 518 |                 ctx.fillStyle = color;
 519 |             }
 520 |         }
 521 |         prevX = x, prevY = y;
 522 |     }
 523 |     
 524 |     // Color the canvas.
 525 |     ctx.fillStyle = g.type ? wG.colors[g.type] : 'black';
 526 |     ctx.globalCompositeOperation = g.type == wG.SOLDER ? 'source-out' : 'source-in';
 527 |     ctx.setTransform(1, 0, 0, 1, 0, 0);
 528 |     ctx.fillRect(0, 0, canvas.width, canvas.height);
 529 | };
 530 | 
 531 | // Clears a 2D canvas that is a board side texture.
 532 | wG.clearBoard = function clearBoard(canvas) {
 533 |     var ctx = canvas.getContext('2d');
 534 |     ctx.globalCompositeOperation = 'source-over';
 535 |     ctx.fillStyle = wG.colors[wG.BOARD];
 536 |     ctx.fillRect(0, 0, canvas.width, canvas.height);
 537 | };
 538 | 
 539 | // Renders a layer onto a 2D canvas that is a board side texture.
 540 | wG.renderBoard = function renderBoard(canvas, g, limits) {
 541 |     if(!g.canvas) {
 542 |         g.canvas = document.createElement('canvas');
 543 |         g.canvas.width = canvas.width, g.canvas.height = canvas.height;
 544 |         wG.renderLayer(g.canvas, g, limits);
 545 |     }
 546 |     var ctx = canvas.getContext('2d');
 547 |     ctx.globalCompositeOperation = g.type ? 'source-over' : 'destination-out';
 548 |     if(canvas.invertedY)
 549 |         ctx.setTransform(1, 0, 0,-1, 0, canvas.height);
 550 |     else
 551 |         ctx.setTransform(1, 0, 0, 1, 0, 0);
 552 |     ctx.drawImage(g.canvas, 0, 0);
 553 | };
 554 | 
 555 | wG.ppmm = 40; // Pixels per mm.
 556 | wG.maxTexSize = 4096, wG.minTexSize = 256; // Largest possible texture size.
 557 | 
 558 | // Finds the closest power of two to the given size of a texture (needed for mipmapping).
 559 | wG.texSize = function texSize(x) {
 560 |     x = Math.min(Math.max(x, wG.minTexSize), wG.maxTexSize);
 561 |     var r = 1;
 562 |     while(r < x)
 563 |         r <<= 1;
 564 |     return r;
 565 | };
 566 | 
 567 | // Creates a 2D canvas that is a board side texture, for the given width and height.
 568 | wG.makeBoard = function makeBoard(w, h, invertedY) {
 569 |     var canvas = document.createElement('canvas');
 570 |     //canvas.width = w*wG.ppmm, canvas.height = h*wG.ppmm;
 571 |     /*var maxSize = Math.max(w*wG.ppmm, h*wG.ppmm) >> 1, size = 1;
 572 |     while(size < maxSize && size < wG.maxTexSize)
 573 |         size <<= 1;*/
 574 |     canvas.width = wG.texSize(w*wG.ppmm), canvas.height = wG.texSize(h*wG.ppmm);
 575 |     
 576 |     // Don't allow mipmapping for stretched textures.
 577 |     var stretch = canvas.width/canvas.height;
 578 |     if(stretch > 4)
 579 |         canvas.width--;
 580 |     else if(stretch < .25)
 581 |         canvas.height--;
 582 |     canvas.invertedY = invertedY;
 583 |     
 584 |     // Debugging: adds canvas to the page.
 585 |     /*canvas.className = 'layer';
 586 |     document.body.appendChild(canvas);*/
 587 |     return canvas;
 588 | };
 589 | 
 590 | // Finds the largest continuous sequence of lines that forms a loop (i.e. most likely the outline of the board).
 591 | wG.findOutline = function findOutline(layers) {
 592 |     var best = {path: [], minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity, area: 0}; // Best outline.
 593 |     var oPath, oPrev, oMinX, oMinY, oMaxX, oMaxY; // Current outline.
 594 |     function reset() {
 595 |         oPath = [], oPrev = undefined;
 596 |         oMinX = oMinY = Infinity;
 597 |         oMaxX = oMaxY = -Infinity;
 598 |     }
 599 |     for(var i = 0; i < layers.length; i++) {
 600 |         reset();
 601 |         var cmds = layers[i].cmds, shapes = layers[i].shapes, scale = layers[i].scale, half = scale/2, prevX = 0, prevY = 0;
 602 |         for(var j = 0; j < cmds.length; j++) {
 603 |             var cmd = cmds[j], mode = cmd[0] >> 2, x = cmd[2]*scale, y = cmd[3]*scale;
 604 |             if(mode != 1 && mode != 5 && mode != 6 && mode != 7) { // Look only for lines.
 605 |                 reset(), prevX = x, prevY = y;
 606 |                 continue;
 607 |             }
 608 |             if((cmd[0] & 3) != 1) {
 609 |                 ((cmd[0] & 3) == 2 || reset()), prevX = x, prevY = y;
 610 |                 continue;
 611 |             }
 612 |             var s = shapes[cmd[1]];
 613 |             if(s[0] != 'C') { // Look only for lines with circle ends.
 614 |                 reset(), prevX = x, prevY = y;
 615 |                 continue;
 616 |             }
 617 |             var r = s[1]*half;
 618 |             if(!r) { // Look only for visible lines.
 619 |                 reset(), prevX = x, prevY = y;
 620 |                 continue;
 621 |             }
 622 |             if(x-r < oMinX)
 623 |                 oMinX = x-r;
 624 |             if(y-r < oMinY)
 625 |                 oMinY = y-r;
 626 |             if(x+r > oMaxX)
 627 |                 oMaxX = x+r;
 628 |             if(y+r > oMaxY)
 629 |                 oMaxY = y+r;
 630 |             var line = [prevX, prevY, x, y, r];
 631 |             if(mode == 6 || mode == 7)
 632 |                 line.push(cmd[4]*scale, cmd[5]*scale, mode == 6);
 633 |             
 634 |             // Try to connect it with the previous line.
 635 |             if(oPrev) {
 636 |                 var dx = oPrev[2]-prevX, dy = oPrev[3]-prevY, sr = (r+oPrev[4]);
 637 |                 if(dx*dx+dy*dy <= sr*sr)
 638 |                     oPath.push(oPrev = line);
 639 |                 else if(oPath.length == 1 && (dx = oPrev[0]-prevX, dy = oPrev[1]-prevY, sr = (r+oPrev[4]), (dx*dx+dy*dy <= sr*sr))) { // Hack for some weird outlines.
 640 |                     var px = oPrev[2], py = oPrev[3];
 641 |                     oPrev[2] = oPrev[0], oPrev[3] = oPrev[1];
 642 |                     oPrev[0] = px, oPrev[1] = py;
 643 |                     oPath.push(oPrev = line);
 644 |                 } else {
 645 |                     reset(), prevX = x, prevY = y;
 646 |                     continue;
 647 |                 }
 648 |                 // Try to connect it with the first line in this outline.
 649 |                 if(oPath.length) {
 650 |                     dx = oPath[0][0]-x, dy = oPath[0][1]-y, sr = (r+oPath[0][4]);
 651 |                     if(dx*dx+dy*dy <= sr*sr) {
 652 |                         var area = (oMaxX - oMinX)*(oMaxY - oMinY);
 653 |                         // Is this outline larger?
 654 |                         if(area > best.area) {
 655 |                             best.path = oPath;
 656 |                             best.minX = oMinX, best.minY = oMinY, best.maxX = oMaxX, best.maxY = oMaxY;
 657 |                             best.area = area;
 658 |                             reset();
 659 |                         }
 660 |                     }
 661 |                 }
 662 |             } else
 663 |                 oPath.push(oPrev = line);
 664 |             prevX = x, prevY = y;
 665 |         }
 666 |     }
 667 |     return best;
 668 | };
 669 | 
 670 | // Renders an outline onto a 2D canvas that is a board side texture, by removing everything outside the outline.
 671 | wG.renderOutline = function renderOutline(canvas, outline, limits) {
 672 |     //if(!outline.path.length)
 673 |     //    return;
 674 |     var ctx = canvas.getContext('2d');
 675 |     ctx.fillStyle = 'black';
 676 |     ctx.globalCompositeOperation = 'destination-in';
 677 |     var scaleX = canvas.width / (limits.maxX-limits.minX), scaleY = canvas.height / (limits.maxY-limits.minY);
 678 |     if(canvas.invertedY)
 679 |         ctx.setTransform(scaleX, 0, 0,-scaleY, 0, canvas.height);
 680 |     else
 681 |         ctx.setTransform(scaleX, 0, 0, scaleY, 0, 0);
 682 |     ctx.beginPath();
 683 |     ctx.moveTo(outline.path[0][0]-limits.minX, outline.path[0][1]-limits.minY);
 684 |     for(var i = 0; i < outline.path.length; i++) {
 685 |         var cmd = outline.path[i];
 686 |         if(cmd.length > 5) {
 687 |             var ox = cmd[5], oy = cmd[6], cx = cmd[0]+ox, cy = cmd[1]+oy;
 688 |             ctx.arc(cx-limits.minX, cy-limits.minY, Math.sqrt(ox*ox+oy*oy), Math.atan2(-oy, -ox), Math.atan2(cmd[3]-cy, cmd[2]-cx), cmd[7]);
 689 |         } else
 690 |             ctx.lineTo(cmd[2]-limits.minX, cmd[3]-limits.minY);
 691 |     }
 692 |     ctx.fill();
 693 | };
 694 | 
 695 | // Little debug function.
 696 | function debug(x) {
 697 |     if(wG.debugLog)
 698 |         wG.debugLog.append($('<div>').text(x));
 699 | }
 700 | 
 701 | function init(layers) {
 702 |     var limits = {minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity};outlineLayers = layers.filter(function(x) {return x.type == wG.OUTLINE});
 703 |     if(outlineLayers.length)
 704 |         layers = layers.filter(function(x) {return x.type != wG.OUTLINE});
 705 |     else
 706 |         outlineLayers = layers;
 707 |     for(var i = 0; i < layers.length; i++) {
 708 |         wG.touchLimits(layers[i], limits);
 709 |         layers[i].enabled = true;
 710 |     }
 711 |     var w = limits.maxX-limits.minX, h = limits.maxY-limits.minY;
 712 |     
 713 |     var renderer, has3D = true;
 714 |     try {
 715 |         renderer = new THREE.WebGLRenderer({antialias: true});
 716 |         //wG.ppmm = 20;
 717 |         renderer.sortObjects = false;
 718 |     } catch(e) {
 719 |         debug('Got WebGL error, falling back to 2D canvas.');
 720 |         has3D = false;
 721 |         wG.ppmm = 20;
 722 |         renderer = new THREE.CanvasRenderer({antialias: true});
 723 |     }
 724 |     
 725 |     var scene = new THREE.Scene(), camera = new THREE.PerspectiveCamera(40);
 726 |     camera.up.set(0, 0, -1);
 727 |     scene.add(camera);
 728 |     
 729 |     // Ambient light.
 730 |     var ambientLight = new THREE.AmbientLight(0xcccccc);
 731 |     scene.add(ambientLight);
 732 |     
 733 |     // Sun light.
 734 |     if(has3D) {
 735 |         var sunLight = new THREE.SpotLight(0xcccccc, .3);
 736 |         sunLight.position.set(0, 150000, 0);
 737 |         scene.add(sunLight);
 738 |     }
 739 |     
 740 |     // Board.
 741 |     var Material = has3D ? THREE.MeshPhongMaterial : THREE.MeshBasicMaterial;
 742 |     var bottom = wG.makeBoard(w, h), top = wG.makeBoard(w, h, true);
 743 |     var bottomTexture  = new THREE.Texture(bottom), topTexture  = new THREE.Texture(top);
 744 |     wG.clearBoard(bottom), wG.clearBoard(top);
 745 |     bottomTexture.needsUpdate = true, topTexture.needsUpdate = true;
 746 |     var materials = [
 747 |         null,
 748 |         null,
 749 |         new Material({shininess: 80, ambient: 0xaaaaaa, specular: 0xcccccc, map: topTexture}),
 750 |         new Material({shininess: 80, ambient: 0xaaaaaa, specular: 0xcccccc, map: bottomTexture}),
 751 |         null,
 752 |         null
 753 |     ];
 754 |     if(!has3D)
 755 |         materials[2].overdraw = true, materials[3].overdraw = true;
 756 |     var board = new THREE.Mesh(new THREE.CubeGeometry(w, 1.54, h, has3D ? 1 : Math.ceil(w / 3), 1, has3D ? 1 : Math.ceil(h / 3), materials, {px: 0, nx: 0, pz: 0, nz: 0}), new THREE.MeshFaceMaterial());
 757 |     board.position.y = -100;
 758 |     
 759 |     if(has3D)
 760 |         scene.add(board);
 761 |     
 762 |     // Add the sides.
 763 |     var boardMaterial = new Material({shininess: 80, ambient: 0x333333, specular: 0xcccccc, color: 0x255005});
 764 |     var boardSides = new THREE.CubeGeometry(w, 1.54, h, 1, 1, 1, undefined, {py: 0, ny: 0});
 765 |     //boardSides.computeVertexNormals();
 766 |     boardSides = new THREE.Mesh(boardSides, boardMaterial);
 767 |     board.add(boardSides);
 768 |     
 769 |     // Create all the holes.
 770 |     var holeMaterial = boardMaterial.clone();
 771 |     holeMaterial.side = THREE.BackSide;
 772 |     for(var i = 0; i < layers.length; i++)
 773 |         if(!layers[i].type)
 774 |             for(var j = 0; j < layers[i].cmds.length; j++) {
 775 |                 var cmd = layers[i].cmds[j];
 776 |                 if(cmd[0] != ((1<<2) | 3))
 777 |                     continue;
 778 |                 var r = layers[i].scale*layers[i].shapes[cmd[1]][1]/2;
 779 |                 var hole = new THREE.CylinderGeometry(r, r, 1.54, 32, 0, true);
 780 |                 //hole.computeVertexNormals();
 781 |                 hole = new THREE.Mesh(hole, holeMaterial);
 782 |                 hole.position.x = (cmd[2]*layers[i].scale-limits.minX)-w/2;
 783 |                 hole.position.z = h/2-(cmd[3]*layers[i].scale-limits.minY);
 784 |                 board.add(hole);
 785 |             }
 786 |     if(!has3D)
 787 |         scene.add(board);
 788 |     
 789 |     camera.lookAt(board.position);
 790 |     
 791 |     var boardControls = new THREE.ObjectControls(board, renderer.domElement);
 792 |     boardControls.camera = camera;
 793 |     boardControls.eye = camera.position.clone().subSelf(board.position);
 794 |     
 795 |     // Window resize handler.
 796 |     $(window).resize(function() {
 797 |         renderer.setSize(window.innerWidth, window.innerHeight);
 798 |         camera.aspect = window.innerWidth / window.innerHeight;
 799 |         camera.updateProjectionMatrix();
 800 |         boardControls.screen.width = window.innerWidth, boardControls.screen.height = window.innerHeight;
 801 |         boardControls.radius = (window.innerWidth + window.innerHeight) / 4;
 802 |     }).resize();
 803 |     
 804 |     // Scrolling wheel handler.
 805 |     $(document).mousewheel(function(event, delta, deltaX, deltaY) {
 806 |         board.position.y *= 1-deltaY*.06;
 807 |     });
 808 |     
 809 |     document.body.appendChild(renderer.domElement);
 810 |     
 811 |     // Stats.
 812 |     /*var stats = new Stats;
 813 |     $(stats.domElement).css({position: 'absolute', top: 0}).appendTo('body');*/
 814 |     
 815 |     // Controls.
 816 |     var controls = $('<div class=controls>').appendTo('body'), controlsText = $('<span>').click(function() {
 817 |         controls.toggleClass('open');
 818 |         controlsText.text(controls.is('.open') ? 'Hide controls' : 'Show controls');
 819 |     }).appendTo(controls), controlsBox = $('<div>').appendTo(controls);
 820 |     controlsText.click();
 821 |     
 822 |     // "Load other files" button.
 823 |     controlsBox.append($('<button>').text('Load other files').click(function(){location.reload()}));
 824 |     
 825 |     // Layer visibility checkboxes.
 826 |     controlsBox.append('<br><br>Layers:');
 827 |     for(var i = 0; i < layers.length; i++) {
 828 |         var checkbox = $('<input type=checkbox checked>');
 829 |         $('<div>').append(/*wG.layerNames[layers[i].side+''+layers[i].type], '<br>', */checkbox.click(function() {
 830 |             this[1].enabled = this[0].is(':checked');
 831 |             repaint = 0;
 832 |         }.bind([checkbox, layers[i]])), /*layers[i].name*/wG.layerNames[layers[i].side+''+layers[i].type]).appendTo(controlsBox);
 833 |     }
 834 |     
 835 |     var outline, repaint = 0;
 836 |     // "Show outline" checkbox.
 837 |     controlsBox.append('<br>', $('<input type=checkbox>').click(function() {
 838 |         if(outline) {
 839 |             outline.enabled = outline.sides.visible = this.checked;
 840 |             boardSides.visible = !this.checked;
 841 |             repaint = this.checked ? layers.length+1 : 0;
 842 |             if(!this.checked)
 843 |                 updateArea(w, h);
 844 |             else
 845 |                 updateArea(outline.maxX-outline.minX, outline.maxY-outline.minY);
 846 |             return;
 847 |         }
 848 |         if(!this.checked)
 849 |             return;
 850 |         
 851 |         outline = wG.findOutline(outlineLayers);
 852 |         if(!outline.path.length)
 853 |             return outline = undefined, alert('Can\'t find any outline!');
 854 |         outline.enabled = true;
 855 |         boardSides.visible = false;
 856 |         updateArea(outline.maxX-outline.minX, outline.maxY-outline.minY);
 857 |         var outlineShape = new THREE.Shape();
 858 |         outlineShape.moveTo(outline.path[0][0]-limits.minX-w/2, h/2-(outline.path[0][1]-limits.minY));
 859 |         for(var i = 0; i < outline.path.length; i++) {
 860 |             var cmd = outline.path[i];
 861 |             if(cmd.length > 5) {
 862 |                 var ox = cmd[5], oy = cmd[6], cx = cmd[0]+ox, cy = cmd[1]+oy;
 863 |                 outlineShape.arc(ox, -oy, Math.sqrt(ox*ox+oy*oy), Math.atan2(oy, -ox), Math.atan2(-(cmd[3]-cy), cmd[2]-cx), !cmd[7]);
 864 |                 outlineShape.moveTo(cmd[2]-limits.minX-w/2, -(cmd[3]-limits.minY-h/2));
 865 |             } else
 866 |                 outlineShape.lineTo(cmd[2]-limits.minX-w/2, -(cmd[3]-limits.minY-h/2));
 867 |         }
 868 |         outline.sides = outlineShape.extrude({amount: 1.54, bevelEnabled: false, extrudeMaterial: 0, material: 1});
 869 |         outline.sides.materials = [boardMaterial, new THREE.MeshBasicMaterial({visible: false})];
 870 |         //outline.sides.computeVertexNormals();
 871 |         board.add(outline.sides = new THREE.Mesh(outline.sides, new THREE.MeshFaceMaterial()));
 872 |         outline.sides.position.y = 1.54/2;
 873 |         outline.sides.rotation.x = Math.PI/2;
 874 |         repaint = layers.length+1;
 875 |     }), 'Show outline');
 876 |     
 877 |     function small(text) {
 878 |         return $('<span>').css('font-size', 'small').append(text);
 879 |     }
 880 |     
 881 |     // Area and Cost.
 882 |     var areaBox = $('<span>');
 883 |     controlsBox.append('<br><br>Area: ', areaBox);
 884 |     function updateArea(dw, dh) {
 885 |         var areaMM2 = dw*dh, areaIN2 = areaMM2/25.4/25.4;
 886 |         areaMM2 = Math.round(areaMM2*100)/100;
 887 |         areaIN2 = Math.round(areaIN2*100)/100;
 888 |         areaBox.html('').append(small(areaIN2+' in<sup>2</sup> ('+areaMM2+' mm<sup>2</sup>)'), ' ');//'<br>Cost: ', small('$'+areaIN2*2));
 889 |     }
 890 |     updateArea(w, h);
 891 |     
 892 |     // "Save current view as image" button
 893 |     controlsBox.append('<br><br>', $('<button>').text('Save current view as image').click(function(){
 894 |         renderer.render(scene, camera);
 895 |         
 896 |         // Get the PNG data: URL.
 897 |         var data = renderer.domElement.toDataURL();
 898 |         
 899 |         // Open a new page and add the image with some text.
 900 |         var w = open();
 901 |         w.document.title = 'webGerber';
 902 |         w.document.body.innerHTML = 'To save the image, right click and press "Save image as..."<br>';
 903 |         w.document.body.appendChild($('<img>').attr('src', data)[0]);
 904 |     }));
 905 |     
 906 |     // Mouse Controls (explanation of).
 907 |     controlsBox.append('<br><br>Mouse Controls:<br>Rotate ', small('- Left mouse button + drag'), '<br>Zoom ', small('- Scroll / Middle mouse button + drag'), '<br>Pan ', small('- Right mouse button + drag'));
 908 |     
 909 |     //Order
 910 |     controlsBox.append('<br><br><br><br>Finished with your design?<br>', small('Order your PCBs from Mayhew Labs:<br>$1.50/in<sup>2</sup> for 3 copies'));//<br>$1.60/in<sup>2</sup> for 3 copies<br>$1.20/in<sup>2</sup> for 5 copies<br>'));
 911 |     controlsBox.append('<br>', $('<button>').text('Learn More').click(function(){
 912 |         // Open a new page and add the image with some text.
 913 |         window.open("http://mayhewlabs.com/order-pcbs","_self");
 914 |     }));
 915 |     
 916 |     // Sort by type, but after listing them.
 917 |     layers.sort(function(a, b) {
 918 |         return (a.type || 10) - (b.type || 10);
 919 |     });
 920 |     
 921 |     // Renders the scene (and repaints all the textures that need repainting.
 922 |     function render() {
 923 |         requestAnimationFrame(render);
 924 |         if(repaint !== null) {
 925 |             //controlsBox.css('color', 'grey').find('input,button').each(function() {this.disabled = true});
 926 |             loadingOverlay.show();
 927 |             if(repaint === 0)
 928 |                 wG.clearBoard(bottom), wG.clearBoard(top), repaint++;//, bottomTexture.needsUpdate = true, topTexture.needsUpdate = true;
 929 |             else {
 930 |                 // Skip any disabled layers.
 931 |                 while(repaint <= layers.length && !layers[repaint-1].enabled)
 932 |                     repaint++;
 933 |                 
 934 |                 if(repaint <= layers.length) { // Repaint a layer.
 935 |                     if(layers[repaint-1].side & wG.BOTTOM)
 936 |                         wG.renderBoard(bottom, layers[repaint-1], limits);//, bottomTexture.needsUpdate = true;
 937 |                     if(layers[repaint-1].side & wG.TOP)
 938 |                         wG.renderBoard(top, layers[repaint-1], limits);//, topTexture.needsUpdate = true;
 939 |                 } else if(outline && outline.enabled) { // Repaint the outline.
 940 |                     wG.renderOutline(bottom, outline, limits);//, bottomTexture.needsUpdate = true;
 941 |                     wG.renderOutline(top, outline, limits);//, topTexture.needsUpdate = true;
 942 |                 }
 943 |                 
 944 |                 // Are we finished repainting?
 945 |                 if(repaint > layers.length)
 946 |                     repaint = null,  loadingOverlay.hide(), /*controlsBox.css('color', '').find('input,button').each(function() {this.disabled = false}),*/ bottomTexture.needsUpdate = true, topTexture.needsUpdate = true;
 947 |                 else
 948 |                     repaint++;
 949 |             }
 950 |         }
 951 |         boardControls.update();
 952 |         renderer.render(scene, camera);
 953 |         //stats.update();
 954 |     }
 955 |     render();
 956 | }
 957 | 
 958 | var loadingOverlay;
 959 | 
 960 | $(function() {
 961 |     // Debug log, shows up if there's ?debug at the end of the URL.
 962 |     if(location.search.match(/(\?|&)debug/))
 963 |         wG.debugLog = $('<strong>').css({width: '100%', 'text-align': 'center', position: 'absolute', 'z-index': 1000, color: '#111', 'font-family': 'monospace'}).prependTo('body');
 964 |     
 965 |     debug('Browser info: '+navigator.userAgent);
 966 |     if(typeof window.FileReader === 'undefined')
 967 |         debug('Your browser doesn\'t have file access');
 968 |     
 969 |     loadingOverlay = $('<div class=overlay>').html('<div><div>Loading, please wait...</div></div>').appendTo('body');
 970 |     
 971 |     var demoLayers = $('script[type="text/x-gerber"]');
 972 |     if(demoLayers.length)
 973 |         return void(setTimeout(function() {
 974 |             init(demoLayers.map(function() {
 975 |                 var g = wG.load(this.text);
 976 |                 var guess = wG.guessLayer(this.id);
 977 |                 g.side = guess[0], g.type = guess[1];
 978 |                 g.name = this.id;
 979 |                 return g;
 980 |             }).get());
 981 |         }, 0));
 982 |     
 983 |     loadingOverlay.hide();
 984 |     
 985 |     // Step 1 box, the comments are for the original demo.
 986 |     var main = $('<div class=main>').appendTo('body').append($('<h1>').html('Step 1:<br>Drop gerber files here'/*+'<br>(or click for a demo board)'*/)/*.click(function() {
 987 |         main.remove();
 988 |         setTimeout(function() {
 989 |             init($('script[type="text/x-gerber"]').map(function() {
 990 |                 var g = wG.load(this.text);
 991 |                 var guess = wG.guessLayer(this.id);
 992 |                 g.side = guess[0], g.type = guess[1];
 993 |                 g.name = this.id;
 994 |                 return g;
 995 |             }).get());
 996 |         }, 0);
 997 |     })*/);
 998 |     
 999 |     var layerSelect = $('<select>');
1000 |     for(var i = 0; i < wG.layerTypes.length; i++)
1001 |         layerSelect.append($('<option>').val(wG.layerTypes[i]).text(wG.layerNames[wG.layerTypes[i]]));
1002 |     
1003 |     // Stops the browser from doing anything with the dropped files (see Firefox).
1004 |     main.bind('dragover', function(ev) {
1005 |         ev.stopPropagation();
1006 |         ev.preventDefault();
1007 |     });
1008 |     
1009 |     // Drop event handler, shows the Step 2 box.
1010 |     main.bind('drop', function(ev) {
1011 |         ev.stopPropagation();
1012 |         ev.preventDefault();
1013 |         
1014 |         var step2 = $('<div>').append($('<h1>').html('Step 2:<br>Select the layers corresponding to the gerber files'));
1015 |         
1016 |         var files = ev.originalEvent.dataTransfer.files, filePairs = [];
1017 |         for(var i = 0; i < files.length; i++) {
1018 |             //if(files[i].type && !files[i].type.match(/^text/))
1019 |             //    continue;
1020 |             var fileSelect = layerSelect.clone(), guess = wG.guessLayer(files[i].name);
1021 |             if(guess)
1022 |                 fileSelect.val(guess.join(''));
1023 |             step2.append('<br>', $('<strong>').text(files[i].name+'  '), fileSelect);
1024 |             filePairs.push([files[i], fileSelect]);
1025 |         }
1026 |         if(!filePairs.length)
1027 |            return alert('No valid files found!');
1028 |         
1029 |         // "Done" button.
1030 |         step2.append('<br>', $('<button>').text('Done').click(function() {
1031 |             // Count the layers.
1032 |             var layerNum = 0;
1033 |             for(var i = 0; i < filePairs.length; i++) {
1034 |                 if(!filePairs[i][1].val())
1035 |                     continue;
1036 |                 layerNum++;
1037 |             }
1038 |             
1039 |             // Just in case they didn't select any layer.
1040 |             if(!layerNum)
1041 |                 return alert('There has to be at one selected layer!');
1042 |             
1043 |             var layers = [];
1044 |             for(var i = 0; i < filePairs.length; i++) {
1045 |                 var f = filePairs[i], which = f[1].val();
1046 |                 if(!which)
1047 |                     continue;
1048 |                 
1049 |                 var reader = new FileReader();
1050 |                 reader.onload = function(ev) {
1051 |                     var g;
1052 |                     // Try to load the layer from the file.
1053 |                     try {
1054 |                         g = wG.load(ev.target.result);
1055 |                     } catch(e) {
1056 |                         loadingOverlay.hide();
1057 |                         alert('Error while loading '+this[0]+': '+e);
1058 |                         console.log(e.stack);
1059 |                         return;
1060 |                     }
1061 |                     g.type = this[2];
1062 |                     g.side = this[1];
1063 |                     g.name = this[0];
1064 |                     
1065 |                     // Do we have all the layers?
1066 |                     if(layers.push(g) >= layerNum) {
1067 |                         main.remove();
1068 |                         loadingOverlay.hide();
1069 |                         setTimeout(function() {
1070 |                             init(layers);
1071 |                         }, 0);
1072 |                     }
1073 |                 }.bind([f[0].name, +which[0], +which[1]]);
1074 |                 
1075 |                 // Read the contents of the file, with the above callback.
1076 |                 reader.readAsText(f[0]);
1077 |             }
1078 |             loadingOverlay.show();
1079 |         })).appendTo(main.html(''));
1080 |     });
1081 | });
1082 | 


--------------------------------------------------------------------------------
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c=="object"?c[p.expando]?c:new p.Event(s,c):new p.Event(s),c.type=s,c.isTrigger=!0,c.exclusive=i,c.namespace=t.join("."),c.namespace_re=c.namespace?new RegExp("(^|\\.)"+t.join("\\.(?:.*\\.|)")+"(\\.|$)"):null,m=s.indexOf(":")<0?"on"+s:"";if(!f){h=p.cache;for(j in h)h[j].events&&h[j].events[s]&&p.event.trigger(c,d,h[j].handle.elem,!0);return}c.result=b,c.target||(c.target=f),d=d!=null?p.makeArray(d):[],d.unshift(c),n=p.event.special[s]||{};if(n.trigger&&n.trigger.apply(f,d)===!1)return;q=[[f,n.bindType||s]];if(!g&&!n.noBubble&&!p.isWindow(f)){r=n.delegateType||s,k=$.test(r+s)?f:f.parentNode;for(l=f;k;k=k.parentNode)q.push([k,r]),l=k;l===(f.ownerDocument||e)&&q.push([l.defaultView||l.parentWindow||a,r])}for(j=0;j<q.length&&!c.isPropagationStopped();j++)k=q[j][0],c.type=q[j][1],o=(p._data(k,"events")||{})[c.type]&&p._data(k,"handle"),o&&o.apply(k,d),o=m&&k[m],o&&p.acceptData(k)&&o.apply&&o.apply(k,d)===!1&&c.preventDefault();return 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