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i,r,s,o,a;a=navigator.userAgent.toLowerCase(),o=navigator.platform.toLowerCase(),s="ie"===(i=a.match(/(opera|ie|firefox|chrome|version)[\s\/:]([\w\d\.]+)?.*?(safari|version[\s\/:]([\w\d\.]+)|$)/)||[null,"unknown",0])[1]&&document.documentMode,(r={name:"version"===i[1]?i[3]:i[1],version:s||parseFloat("opera"===i[1]&&i[4]?i[4]:i[2]),platform:{name:a.match(/ip(?:ad|od|hone)/)?"ios":(a.match(/(?:webos|android)/)||o.match(/mac|win|linux/)||["other"])[0]}})[r.name]=!0,r[r.name+parseInt(r.version,10)]=!0,r.platform[r.platform.name]=!0,t.exports=r},{}],3:[function(e,t,n){var i,r,s,o={}.hasOwnProperty,a=[].indexOf||function(e){for(var t=0,n=this.length;t<n;t++)if(t in this&&this[t]===e)return t;return-1},h=[].slice;i=e("events").EventEmitter,s=e("./browser.coffee"),r=function(e){var t,n;function r(e){var n,i,r;for(i in this.running=!1,this.options={},this.frames=[],this.freeWorkers=[],this.activeWorkers=[],this.setOptions(e),t)r=t[i],null==(n=this.options)[i]&&(n[i]=r)}return 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instanceof CanvasRenderingContext2D||"undefined"!=typeof WebGLRenderingContext&&null!==WebGLRenderingContext&&e instanceof WebGLRenderingContext)t.copy?i.data=this.getContextData(e):i.context=e;else{if(null==e.childNodes)throw new Error("Invalid image");t.copy?i.data=this.getImageData(e):i.image=e}return this.frames.push(i)},r.prototype.render=function(){var e,t,n;if(this.running)throw new Error("Already running");if(null==this.options.width||null==this.options.height)throw new Error("Width and height must be set prior to rendering");if(this.running=!0,this.nextFrame=0,this.finishedFrames=0,this.imageParts=function(){var e,t,n;for(n=[],e=0,t=this.frames.length;0<=t?e<t:e>t;0<=t?++e:--e)n.push(null);return n}.call(this),t=this.spawnWorkers(),!0===this.options.globalPalette)this.renderNextFrame();else for(e=0,n=t;0<=n?e<n:e>n;0<=n?++e:--e)this.renderNextFrame();return this.emit("start"),this.emit("progress",0)},r.prototype.abort=function(){for(var e;null!=(e=this.activeWorkers.shift());)this.log("killing active worker"),e.terminate();return this.running=!1,this.emit("abort")},r.prototype.spawnWorkers=function(){var e,t,n,i;return e=Math.min(this.options.workers,this.frames.length),function(){n=[];for(var i=t=this.freeWorkers.length;t<=e?i<e:i>e;t<=e?i++:i--)n.push(i);return n}.apply(this).forEach((i=this,function(e){var t;return i.log("spawning worker "+e),(t=new Worker(i.options.workerScript)).onmessage=function(e){return i.activeWorkers.splice(i.activeWorkers.indexOf(t),1),i.freeWorkers.push(t),i.frameFinished(e.data)},i.freeWorkers.push(t)})),e},r.prototype.frameFinished=function(e){var t,n;if(this.log("frame "+e.index+" finished - "+this.activeWorkers.length+" active"),this.finishedFrames++,this.emit("progress",this.finishedFrames/this.frames.length),this.imageParts[e.index]=e,!0===this.options.globalPalette&&(this.options.globalPalette=e.globalPalette,this.log("global palette analyzed"),this.frames.length>2))for(t=1,n=this.freeWorkers.length;1<=n?t<n:t>n;1<=n?++t:--t)this.renderNextFrame();return a.call(this.imageParts,null)>=0?this.renderNextFrame():this.finishRendering()},r.prototype.finishRendering=function(){var e,t,n,i,r,s,o,a,h,l,f,p,u,c,d,v;for(a=0,r=0,h=(c=this.imageParts).length;r<h;r++)a+=((t=c[r]).data.length-1)*t.pageSize+t.cursor;for(a+=t.pageSize-t.cursor,this.log("rendering finished - filesize "+Math.round(a/1e3)+"kb"),e=new Uint8Array(a),p=0,s=0,l=(d=this.imageParts).length;s<l;s++)for(n=o=0,f=(v=(t=d[s]).data).length;o<f;n=++o)u=v[n],e.set(u,p),n===t.data.length-1?p+=t.cursor:p+=t.pageSize;return i=new Blob([e],{type:"image/gif"}),this.emit("finished",i,e)},r.prototype.renderNextFrame=function(){var e,t,n;if(0===this.freeWorkers.length)throw new Error("No free workers");if(!(this.nextFrame>=this.frames.length))return e=this.frames[this.nextFrame++],n=this.freeWorkers.shift(),t=this.getTask(e),this.log("starting frame "+(t.index+1)+" of "+this.frames.length),this.activeWorkers.push(n),n.postMessage(t)},r.prototype.getContextData=function(e){return e.getImageData(0,0,this.options.width,this.options.height).data},r.prototype.getImageData=function(e){var t;return null==this._canvas&&(this._canvas=document.createElement("canvas"),this._canvas.width=this.options.width,this._canvas.height=this.options.height),(t=this._canvas.getContext("2d")).setFill=this.options.background,t.fillRect(0,0,this.options.width,this.options.height),t.drawImage(e,0,0),this.getContextData(t)},r.prototype.getTask=function(e){var t,n;if(n={index:t=this.frames.indexOf(e),last:t===this.frames.length-1,delay:e.delay,transparent:e.transparent,width:this.options.width,height:this.options.height,quality:this.options.quality,dither:this.options.dither,globalPalette:this.options.globalPalette,repeat:this.options.repeat,canTransfer:"chrome"===s.name},null!=e.data)n.data=e.data;else if(null!=e.context)n.data=this.getContextData(e.context);else{if(null==e.image)throw new Error("Invalid frame");n.data=this.getImageData(e.image)}return n},r.prototype.log=function(){var e;if(e=1<=arguments.length?h.call(arguments,0):[],this.options.debug)return console.log.apply(console,e)},r}(),t.exports=r},{"./browser.coffee":2,events:1}]},{},[3])(3)});