fileapi/plugins/caman.min.js

FileAPI — a set of javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.

(function(){var $,Analyze,Blender,Calculate,Caman,CamanParser,Canvas,Convert,Event,Fiber,Filter,IO,Image,Layer,Log,Logger,PixelInfo,Plugin,Renderer,Root,Store,Util,fs,slice,__hasProp={}.hasOwnProperty,__indexOf=[].indexOf||function(item){for(var i=0,l=this.length;i<l;i++){if(i in this&&this[i]===item)return i;}return-1;},__slice=[].slice,_this=this;slice=Array.prototype.slice;$=function(sel,root){if(root==null){root=document;}
if(typeof sel==="object"||(typeof exports!=="undefined"&&exports!==null)){return sel;}
return root.querySelector(sel);};Util=(function(){function Util(){}
Util.uniqid=(function(){var id;id=0;return{get:function(){return id++;}};})();Util.extend=function(obj){var copy,dest,prop,src,_i,_len;dest=obj;src=slice.call(arguments,1);for(_i=0,_len=src.length;_i<_len;_i++){copy=src[_i];for(prop in copy){if(!__hasProp.call(copy,prop))continue;dest[prop]=copy[prop];}}
return dest;};Util.clampRGB=function(val){if(val<0){return 0;}
if(val>255){return 255;}
return val;};Util.copyAttributes=function(from,to,opts){var attr,_i,_len,_ref,_ref1,_results;if(opts==null){opts={};}
_ref=from.attributes;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){attr=_ref[_i];if((opts.except!=null)&&(_ref1=attr.nodeName,__indexOf.call(opts.except,_ref1)>=0)){continue;}
_results.push(to.setAttribute(attr.nodeName,attr.nodeValue));}
return _results;};Util.dataArray=function(length){if(length==null){length=0;}
if(Caman.NodeJS||(window.Uint8Array!=null)){return new Uint8Array(length);}
return new Array(length);};return Util;})();if(typeof exports!=="undefined"&&exports!==null){Root=exports;Canvas=require('canvas');Image=Canvas.Image;Fiber=require('fibers');fs=require('fs');}else{Root=window;}
Root.Caman=Caman=(function(){Caman.version={release:"4.1.1",date:"4/8/2013"};Caman.DEBUG=false;Caman.NodeJS=typeof exports!=="undefined"&&exports!==null;Caman.autoload=!Caman.NodeJS;Caman.allowRevert=true;Caman.crossOrigin="anonymous";Caman.toString=function(){return"Version "+Caman.version.release+", Released "+Caman.version.date;};Caman.remoteProxy="";Caman.proxyParam="camanProxyUrl";Caman.getAttrId=function(canvas){if(Caman.NodeJS){return true;}
if(typeof canvas==="string"){canvas=$(canvas);}
if(!((canvas!=null)&&(canvas.getAttribute!=null))){return null;}
return canvas.getAttribute('data-caman-id');};function Caman(){var args,callback,id,_this=this;if(arguments.length===0){throw"Invalid arguments";}
if(this instanceof Caman){this.finishInit=this.finishInit.bind(this);this.imageLoaded=this.imageLoaded.bind(this);args=arguments[0];if(!Caman.NodeJS){id=parseInt(Caman.getAttrId(args[0]),10);callback=typeof args[1]==="function"?args[1]:typeof args[2]==="function"?args[2]:function(){};if(!isNaN(id)&&Store.has(id)){return Store.execute(id,callback);}}
this.id=Util.uniqid.get();this.initializedPixelData=this.originalPixelData=null;this.cropCoordinates={x:0,y:0};this.cropped=false;this.resized=false;this.pixelStack=[];this.layerStack=[];this.canvasQueue=[];this.currentLayer=null;this.scaled=false;this.analyze=new Analyze(this);this.renderer=new Renderer(this);this.domIsLoaded(function(){_this.parseArguments(args);return _this.setup();});return this;}else{return new Caman(arguments);}}
Caman.prototype.domIsLoaded=function(cb){var listener,_this=this;if(Caman.NodeJS){return setTimeout(function(){return cb.call(_this);},0);}else{if(document.readyState==="complete"){Log.debug("DOM initialized");return setTimeout(function(){return cb.call(_this);},0);}else{listener=function(){if(document.readyState==="complete"){Log.debug("DOM initialized");return cb.call(_this);}};return document.addEventListener("readystatechange",listener,false);}}};Caman.prototype.parseArguments=function(args){var key,val,_ref,_results;if(args.length===0){throw"Invalid arguments given";}
this.initObj=null;this.initType=null;this.imageUrl=null;this.callback=function(){};this.setInitObject(args[0]);if(args.length===1){return;}
switch(typeof args[1]){case"string":this.imageUrl=args[1];break;case"function":this.callback=args[1];}
if(args.length===2){return;}
this.callback=args[2];if(args.length===4){_ref=args[4];_results=[];for(key in _ref){if(!__hasProp.call(_ref,key))continue;val=_ref[key];_results.push(this.options[key]=val);}
return _results;}};Caman.prototype.setInitObject=function(obj){if(Caman.NodeJS){this.initObj=obj;this.initType='node';return;}
if(typeof obj==="object"){this.initObj=obj;}else{this.initObj=$(obj);}
if(this.initObj==null){throw"Could not find image or canvas for initialization.";}
return this.initType=this.initObj.nodeName.toLowerCase();};Caman.prototype.setup=function(){switch(this.initType){case"node":return this.initNode();case"img":return this.initImage();case"canvas":return this.initCanvas();}};Caman.prototype.initNode=function(){var _this=this;Log.debug("Initializing for NodeJS");this.image=new Image();this.image.onload=function(){Log.debug("Image loaded. Width = "+(_this.imageWidth())+", Height = "+(_this.imageHeight()));_this.canvas=new Canvas(_this.imageWidth(),_this.imageHeight());return _this.finishInit();};this.image.onerror=function(err){throw err;};return this.image.src=this.initObj;};Caman.prototype.initImage=function(){this.image=this.initObj;this.canvas=document.createElement('canvas');this.context=this.canvas.getContext('2d');Util.copyAttributes(this.image,this.canvas,{except:['src']});this.image.parentNode.replaceChild(this.canvas,this.image);this.imageAdjustments();return this.waitForImageLoaded();};Caman.prototype.initCanvas=function(){this.canvas=this.initObj;this.context=this.canvas.getContext('2d');if(this.imageUrl!=null){this.image=document.createElement('img');this.image.src=this.imageUrl;this.imageAdjustments();return this.waitForImageLoaded();}else{return this.finishInit();}};Caman.prototype.imageAdjustments=function(){if(this.needsHiDPISwap()){Log.debug(this.image.src,"->",this.hiDPIReplacement());this.swapped=true;this.image.src=this.hiDPIReplacement();}
if(IO.isRemote(this.image)){this.image.src=IO.proxyUrl(this.image.src);return Log.debug("Remote image detected, using URL = "+this.image.src);}};Caman.prototype.waitForImageLoaded=function(){if(this.isImageLoaded()){return this.imageLoaded();}else{return this.image.onload=this.imageLoaded;}};Caman.prototype.isImageLoaded=function(){if(!this.image.complete){return false;}
if((this.image.naturalWidth!=null)&&this.image.naturalWidth===0){return false;}
return true;};Caman.prototype.imageWidth=function(){return this.image.width||this.image.naturalWidth;};Caman.prototype.imageHeight=function(){return this.image.height||this.image.naturalHeight;};Caman.prototype.imageLoaded=function(){Log.debug("Image loaded. Width = "+(this.imageWidth())+", Height = "+(this.imageHeight()));if(this.swapped){this.canvas.width=this.imageWidth()/this.hiDPIRatio();this.canvas.height=this.imageHeight()/this.hiDPIRatio();}else{this.canvas.width=this.imageWidth();this.canvas.height=this.imageHeight();}
return this.finishInit();};Caman.prototype.finishInit=function(){var i,pixel,_i,_len,_ref;if(this.context==null){this.context=this.canvas.getContext('2d');}
this.originalWidth=this.preScaledWidth=this.width=this.canvas.width;this.originalHeight=this.preScaledHeight=this.height=this.canvas.height;this.hiDPIAdjustments();if(!this.hasId()){this.assignId();}
if(this.image!=null){this.context.drawImage(this.image,0,0,this.imageWidth(),this.imageHeight(),0,0,this.preScaledWidth,this.preScaledHeight);}
this.reloadCanvasData();if(Caman.allowRevert){this.initializedPixelData=Util.dataArray(this.pixelData.length);this.originalPixelData=Util.dataArray(this.pixelData.length);_ref=this.pixelData;for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){pixel=_ref[i];this.initializedPixelData[i]=pixel;this.originalPixelData[i]=pixel;}}
this.dimensions={width:this.canvas.width,height:this.canvas.height};Store.put(this.id,this);this.callback.call(this,this);return this.callback=function(){};};Caman.prototype.reloadCanvasData=function(){this.imageData=this.context.getImageData(0,0,this.canvas.width,this.canvas.height);return this.pixelData=this.imageData.data;};Caman.prototype.resetOriginalPixelData=function(){var pixel,_i,_len,_ref,_results;if(!Caman.allowRevert){throw"Revert disabled";}
this.originalPixelData=Util.dataArray(this.pixelData.length);_ref=this.pixelData;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){pixel=_ref[_i];_results.push(this.originalPixelData.push(pixel));}
return _results;};Caman.prototype.hasId=function(){return Caman.getAttrId(this.canvas)!=null;};Caman.prototype.assignId=function(){if(Caman.NodeJS||this.canvas.getAttribute('data-caman-id')){return;}
return this.canvas.setAttribute('data-caman-id',this.id);};Caman.prototype.hiDPIDisabled=function(){return this.canvas.getAttribute('data-caman-hidpi-disabled')!==null;};Caman.prototype.hiDPIAdjustments=function(){var ratio;if(Caman.NodeJS||this.hiDPIDisabled()){return;}
ratio=this.hiDPIRatio();if(ratio!==1){Log.debug("HiDPI ratio = "+ratio);this.scaled=true;this.preScaledWidth=this.canvas.width;this.preScaledHeight=this.canvas.height;this.canvas.width=this.preScaledWidth*ratio;this.canvas.height=this.preScaledHeight*ratio;this.canvas.style.width=""+this.preScaledWidth+"px";this.canvas.style.height=""+this.preScaledHeight+"px";this.context.scale(ratio,ratio);this.width=this.originalWidth=this.canvas.width;return this.height=this.originalHeight=this.canvas.height;}};Caman.prototype.hiDPIRatio=function(){var backingStoreRatio,devicePixelRatio;devicePixelRatio=window.devicePixelRatio||1;backingStoreRatio=this.context.webkitBackingStorePixelRatio||this.context.mozBackingStorePixelRatio||this.context.msBackingStorePixelRatio||this.context.oBackingStorePixelRatio||this.context.backingStorePixelRatio||1;return devicePixelRatio/backingStoreRatio;};Caman.prototype.hiDPICapable=function(){return(window.devicePixelRatio!=null)&&window.devicePixelRatio!==1;};Caman.prototype.needsHiDPISwap=function(){if(this.hiDPIDisabled()||!this.hiDPICapable()){return false;}
return this.hiDPIReplacement()!==null;};Caman.prototype.hiDPIReplacement=function(){if(this.image==null){return null;}
return this.image.getAttribute('data-caman-hidpi');};Caman.prototype.replaceCanvas=function(newCanvas){var oldCanvas;oldCanvas=this.canvas;this.canvas=newCanvas;this.context=this.canvas.getContext('2d');oldCanvas.parentNode.replaceChild(this.canvas,oldCanvas);this.width=this.canvas.width;this.height=this.canvas.height;this.reloadCanvasData();return this.dimensions={width:this.canvas.width,height:this.canvas.height};};Caman.prototype.render=function(callback){var _this=this;if(callback==null){callback=function(){};}
Event.trigger(this,"renderStart");return this.renderer.execute(function(){_this.context.putImageData(_this.imageData,0,0);return callback.call(_this);});};Caman.prototype.revert=function(){var i,pixel,_i,_len,_ref;if(!Caman.allowRevert){throw"Revert disabled";}
_ref=this.originalVisiblePixels();for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){pixel=_ref[i];this.pixelData[i]=pixel;}
return this.context.putImageData(this.imageData,0,0);};Caman.prototype.reset=function(){var canvas,ctx,i,imageData,pixel,pixelData,_i,_len,_ref;canvas=document.createElement('canvas');Util.copyAttributes(this.canvas,canvas);canvas.width=this.originalWidth;canvas.height=this.originalHeight;ctx=canvas.getContext('2d');imageData=ctx.getImageData(0,0,canvas.width,canvas.height);pixelData=imageData.data;_ref=this.initializedPixelData;for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){pixel=_ref[i];pixelData[i]=pixel;}
ctx.putImageData(imageData,0,0);this.cropCoordinates={x:0,y:0};this.resized=false;return this.replaceCanvas(canvas);};Caman.prototype.originalVisiblePixels=function(){var canvas,coord,ctx,endX,endY,i,imageData,pixel,pixelData,pixels,scaledCanvas,startX,startY,width,_i,_j,_len,_ref,_ref1,_ref2,_ref3;if(!Caman.allowRevert){throw"Revert disabled";}
pixels=[];startX=this.cropCoordinates.x;endX=startX+this.width;startY=this.cropCoordinates.y;endY=startY+this.height;if(this.resized){canvas=document.createElement('canvas');canvas.width=this.originalWidth;canvas.height=this.originalHeight;ctx=canvas.getContext('2d');imageData=ctx.getImageData(0,0,canvas.width,canvas.height);pixelData=imageData.data;_ref=this.originalPixelData;for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){pixel=_ref[i];pixelData[i]=pixel;}
ctx.putImageData(imageData,0,0);scaledCanvas=document.createElement('canvas');scaledCanvas.width=this.width;scaledCanvas.height=this.height;ctx=scaledCanvas.getContext('2d');ctx.drawImage(canvas,0,0,this.originalWidth,this.originalHeight,0,0,this.width,this.height);pixelData=ctx.getImageData(0,0,this.width,this.height).data;width=this.width;}else{pixelData=this.originalPixelData;width=this.originalWidth;}
for(i=_j=0,_ref1=pixelData.length;_j<_ref1;i=_j+=4){coord=PixelInfo.locationToCoordinates(i,width);if(((startX<=(_ref2=coord.x)&&_ref2<endX))&&((startY<=(_ref3=coord.y)&&_ref3<endY))){pixels.push(pixelData[i],pixelData[i+1],pixelData[i+2],pixelData[i+3]);}}
return pixels;};Caman.prototype.process=function(name,processFn){this.renderer.add({type:Filter.Type.Single,name:name,processFn:processFn});return this;};Caman.prototype.processKernel=function(name,adjust,divisor,bias){var i,_i,_ref;if(!divisor){divisor=0;for(i=_i=0,_ref=adjust.length;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){divisor+=adjust[i];}}
this.renderer.add({type:Filter.Type.Kernel,name:name,adjust:adjust,divisor:divisor,bias:bias||0});return this;};Caman.prototype.processPlugin=function(plugin,args){this.renderer.add({type:Filter.Type.Plugin,plugin:plugin,args:args});return this;};Caman.prototype.newLayer=function(callback){var layer;layer=new Layer(this);this.canvasQueue.push(layer);this.renderer.add({type:Filter.Type.LayerDequeue});callback.call(layer);this.renderer.add({type:Filter.Type.LayerFinished});return this;};Caman.prototype.executeLayer=function(layer){return this.pushContext(layer);};Caman.prototype.pushContext=function(layer){this.layerStack.push(this.currentLayer);this.pixelStack.push(this.pixelData);this.currentLayer=layer;return this.pixelData=layer.pixelData;};Caman.prototype.popContext=function(){this.pixelData=this.pixelStack.pop();return this.currentLayer=this.layerStack.pop();};Caman.prototype.applyCurrentLayer=function(){return this.currentLayer.applyToParent();};return Caman;})();Analyze=(function(){function Analyze(c){this.c=c;}
Analyze.prototype.calculateLevels=function(){var i,levels,numPixels,_i,_j,_k,_ref;levels={r:{},g:{},b:{}};for(i=_i=0;_i<=255;i=++_i){levels.r[i]=0;levels.g[i]=0;levels.b[i]=0;}
for(i=_j=0,_ref=this.c.pixelData.length;_j<_ref;i=_j+=4){levels.r[this.c.pixelData[i]]++;levels.g[this.c.pixelData[i+1]]++;levels.b[this.c.pixelData[i+2]]++;}
numPixels=this.c.pixelData.length/4;for(i=_k=0;_k<=255;i=++_k){levels.r[i]/=numPixels;levels.g[i]/=numPixels;levels.b[i]/=numPixels;}
return levels;};return Analyze;})();Caman.DOMUpdated=function(){var img,imgs,parser,_i,_len,_results;imgs=document.querySelectorAll("img[data-caman]");if(!(imgs.length>0)){return;}
_results=[];for(_i=0,_len=imgs.length;_i<_len;_i++){img=imgs[_i];_results.push(parser=new CamanParser(img,function(){this.parse();return this.execute();}));}
return _results;};if(Caman.autoload){(function(){if(document.readyState==="complete"){return Caman.DOMUpdated();}else{return document.addEventListener("DOMContentLoaded",Caman.DOMUpdated,false);}})();}
CamanParser=(function(){var INST_REGEX;INST_REGEX="(\\w+)\\((.*?)\\)";function CamanParser(ele,ready){this.dataStr=ele.getAttribute('data-caman');this.caman=Caman(ele,ready.bind(this));}
CamanParser.prototype.parse=function(){var args,filter,func,inst,instFunc,m,r,unparsedInstructions,_i,_len,_ref,_results;this.ele=this.caman.canvas;r=new RegExp(INST_REGEX,'g');unparsedInstructions=this.dataStr.match(r);if(!(unparsedInstructions.length>0)){return;}
r=new RegExp(INST_REGEX);_results=[];for(_i=0,_len=unparsedInstructions.length;_i<_len;_i++){inst=unparsedInstructions[_i];_ref=inst.match(r),m=_ref[0],filter=_ref[1],args=_ref[2];instFunc=new Function("return function() {        this."+filter+"("+args+");      };");try{func=instFunc();_results.push(func.call(this.caman));}catch(e){_results.push(Log.debug(e));}}
return _results;};CamanParser.prototype.execute=function(){var ele;ele=this.ele;return this.caman.render(function(){return ele.parentNode.replaceChild(this.toImage(),ele);});};return CamanParser;})();Caman.Blender=Blender=(function(){function Blender(){}
Blender.blenders={};Blender.register=function(name,func){return this.blenders[name]=func;};Blender.execute=function(name,rgbaLayer,rgbaParent){return this.blenders[name](rgbaLayer,rgbaParent);};return Blender;})();Caman.Calculate=Calculate=(function(){function Calculate(){}
Calculate.distance=function(x1,y1,x2,y2){return Math.sqrt(Math.pow(x2-x1,2)+Math.pow(y2-y1,2));};Calculate.randomRange=function(min,max,getFloat){var rand;if(getFloat==null){getFloat=false;}
rand=min+(Math.random()*(max-min));if(getFloat){return rand.toFixed(getFloat);}else{return Math.round(rand);}};Calculate.luminance=function(rgba){return(0.299*rgba.r)+(0.587*rgba.g)+(0.114*rgba.b);};Calculate.bezier=function(start,ctrl1,ctrl2,end,lowBound,highBound){var Ax,Ay,Bx,By,Cx,Cy,bezier,curveX,curveY,i,j,leftCoord,rightCoord,t,x0,x1,x2,x3,y0,y1,y2,y3,_i,_j,_k,_ref,_ref1;x0=start[0];y0=start[1];x1=ctrl1[0];y1=ctrl1[1];x2=ctrl2[0];y2=ctrl2[1];x3=end[0];y3=end[1];bezier={};Cx=parseInt(3*(x1-x0),10);Bx=3*(x2-x1)-Cx;Ax=x3-x0-Cx-Bx;Cy=3*(y1-y0);By=3*(y2-y1)-Cy;Ay=y3-y0-Cy-By;for(i=_i=0;_i<1000;i=++_i){t=i/1000;curveX=Math.round((Ax*Math.pow(t,3))+(Bx*Math.pow(t,2))+(Cx*t)+x0);curveY=Math.round((Ay*Math.pow(t,3))+(By*Math.pow(t,2))+(Cy*t)+y0);if(lowBound&&curveY<lowBound){curveY=lowBound;}else if(highBound&&curveY>highBound){curveY=highBound;}
bezier[curveX]=curveY;}
if(bezier.length<end[0]+1){for(i=_j=0,_ref=end[0];0<=_ref?_j<=_ref:_j>=_ref;i=0<=_ref?++_j:--_j){if(bezier[i]==null){leftCoord=[i-1,bezier[i-1]];for(j=_k=i,_ref1=end[0];i<=_ref1?_k<=_ref1:_k>=_ref1;j=i<=_ref1?++_k:--_k){if(bezier[j]!=null){rightCoord=[j,bezier[j]];break;}}
bezier[i]=leftCoord[1]+((rightCoord[1]-leftCoord[1])/(rightCoord[0]-leftCoord[0]))*(i-leftCoord[0]);}}}
if(bezier[end[0]]==null){bezier[end[0]]=bezier[end[0]-1];}
return bezier;};return Calculate;})();Convert=(function(){function Convert(){}
Convert.hexToRGB=function(hex){var b,g,r;if(hex.charAt(0)==="#"){hex=hex.substr(1);}
r=parseInt(hex.substr(0,2),16);g=parseInt(hex.substr(2,2),16);b=parseInt(hex.substr(4,2),16);return{r:r,g:g,b:b};};Convert.rgbToHSL=function(r,g,b){var d,h,l,max,min,s;if(typeof r==="object"){g=r.g;b=r.b;r=r.r;}
r/=255;g/=255;b/=255;max=Math.max(r,g,b);min=Math.min(r,g,b);l=(max+min)/2;if(max===min){h=s=0;}else{d=max-min;s=l>0.5?d/(2-max-min):d/(max+min);h=(function(){switch(max){case r:return(g-b)/d+(g<b?6:0);case g:return(b-r)/d+2;case b:return(r-g)/d+4;}})();h/=6;}
return{h:h,s:s,l:l};};Convert.hslToRGB=function(h,s,l){var b,g,p,q,r;if(typeof h==="object"){s=h.s;l=h.l;h=h.h;}
if(s===0){r=g=b=l;}else{q=l<0.5?l*(1+s):l+s-l*s;p=2*l-q;r=this.hueToRGB(p,q,h+1/3);g=this.hueToRGB(p,q,h);b=this.hueToRGB(p,q,h-1/3);}
return{r:r*255,g:g*255,b:b*255};};Convert.hueToRGB=function(p,q,t){if(t<0){t+=1;}
if(t>1){t-=1;}
if(t<1/6){return p+(q-p)*6*t;}
if(t<1/2){return q;}
if(t<2/3){return p+(q-p)*(2/3-t)*6;}
return p;};Convert.rgbToHSV=function(r,g,b){var d,h,max,min,s,v;r/=255;g/=255;b/=255;max=Math.max(r,g,b);min=Math.min(r,g,b);v=max;d=max-min;s=max===0?0:d/max;if(max===min){h=0;}else{h=(function(){switch(max){case r:return(g-b)/d+(g<b?6:0);case g:return(b-r)/d+2;case b:return(r-g)/d+4;}})();h/=6;}
return{h:h,s:s,v:v};};Convert.hsvToRGB=function(h,s,v){var b,f,g,i,p,q,r,t;i=Math.floor(h*6);f=h*6-i;p=v*(1-s);q=v*(1-f*s);t=v*(1-(1-f)*s);switch(i%6){case 0:r=v;g=t;b=p;break;case 1:r=q;g=v;b=p;break;case 2:r=p;g=v;b=t;break;case 3:r=p;g=q;b=v;break;case 4:r=t;g=p;b=v;break;case 5:r=v;g=p;b=q;}
return{r:r*255,g:g*255,b:b*255};};Convert.rgbToXYZ=function(r,g,b){var x,y,z;r/=255;g/=255;b/=255;if(r>0.04045){r=Math.pow((r+0.055)/1.055,2.4);}else{r/=12.92;}
if(g>0.04045){g=Math.pow((g+0.055)/1.055,2.4);}else{g/=12.92;}
if(b>0.04045){b=Math.pow((b+0.055)/1.055,2.4);}else{b/=12.92;}
x=r*0.4124+g*0.3576+b*0.1805;y=r*0.2126+g*0.7152+b*0.0722;z=r*0.0193+g*0.1192+b*0.9505;return{x:x*100,y:y*100,z:z*100};};Convert.xyzToRGB=function(x,y,z){var b,g,r;x/=100;y/=100;z/=100;r=(3.2406*x)+(-1.5372*y)+(-0.4986*z);g=(-0.9689*x)+(1.8758*y)+(0.0415*z);b=(0.0557*x)+(-0.2040*y)+(1.0570*z);if(r>0.0031308){r=(1.055*Math.pow(r,0.4166666667))-0.055;}else{r*=12.92;}
if(g>0.0031308){g=(1.055*Math.pow(g,0.4166666667))-0.055;}else{g*=12.92;}
if(b>0.0031308){b=(1.055*Math.pow(b,0.4166666667))-0.055;}else{b*=12.92;}
return{r:r*255,g:g*255,b:b*255};};Convert.xyzToLab=function(x,y,z){var a,b,l,whiteX,whiteY,whiteZ;if(typeof x==="object"){y=x.y;z=x.z;x=x.x;}
whiteX=95.047;whiteY=100.0;whiteZ=108.883;x/=whiteX;y/=whiteY;z/=whiteZ;if(x>0.008856451679){x=Math.pow(x,0.3333333333);}else{x=(7.787037037*x)+0.1379310345;}
if(y>0.008856451679){y=Math.pow(y,0.3333333333);}else{y=(7.787037037*y)+0.1379310345;}
if(z>0.008856451679){z=Math.pow(z,0.3333333333);}else{z=(7.787037037*z)+0.1379310345;}
l=116*y-16;a=500*(x-y);b=200*(y-z);return{l:l,a:a,b:b};};Convert.labToXYZ=function(l,a,b){var x,y,z;if(typeof l==="object"){a=l.a;b=l.b;l=l.l;}
y=(l+16)/116;x=y+(a/500);z=y-(b/200);if(x>0.2068965517){x=x*x*x;}else{x=0.1284185493*(x-0.1379310345);}
if(y>0.2068965517){y=y*y*y;}else{y=0.1284185493*(y-0.1379310345);}
if(z>0.2068965517){z=z*z*z;}else{z=0.1284185493*(z-0.1379310345);}
return{x:x*95.047,y:y*100.0,z:z*108.883};};Convert.rgbToLab=function(r,g,b){var xyz;if(typeof r==="object"){g=r.g;b=r.b;r=r.r;}
xyz=this.rgbToXYZ(r,g,b);return this.xyzToLab(xyz);};Convert.labToRGB=function(l,a,b){};return Convert;})();Event=(function(){function Event(){}
Event.events={};Event.types=["processStart","processComplete","renderStart","renderFinished","blockStarted","blockFinished"];Event.trigger=function(target,type,data){var event,_i,_len,_ref,_results;if(this.events[type]&&this.events[type].length){_ref=this.events[type];_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){event=_ref[_i];if(event.target===null||target.id===event.target.id){_results.push(event.fn.call(target,data));}else{_results.push(void 0);}}
return _results;}};Event.listen=function(target,type,fn){var _fn,_type;if(typeof target==="string"){_type=target;_fn=type;target=null;type=_type;fn=_fn;}
if(__indexOf.call(this.types,type)<0){return false;}
if(!this.events[type]){this.events[type]=[];}
this.events[type].push({target:target,fn:fn});return true;};return Event;})();Caman.Event=Event;Caman.Filter=Filter=(function(){function Filter(){}
Filter.Type={Single:1,Kernel:2,LayerDequeue:3,LayerFinished:4,LoadOverlay:5,Plugin:6};Filter.register=function(name,filterFunc){return Caman.prototype[name]=filterFunc;};return Filter;})();Caman.IO=IO=(function(){function IO(){}
IO.domainRegex=/(?:(?:http|https):\/\/)((?:\w+)\.(?:(?:\w|\.)+))/;IO.isRemote=function(img){if(img==null){return false;}
if(this.corsEnabled(img)){return false;}
return this.isURLRemote(img.src);};IO.corsEnabled=function(img){var _ref;return(img.crossOrigin!=null)&&((_ref=img.crossOrigin.toLowerCase())==='anonymous'||_ref==='use-credentials');};IO.isURLRemote=function(url){var matches;matches=url.match(this.domainRegex);if(matches){return matches[1]!==document.domain;}else{return false;}};IO.remoteCheck=function(src){if(this.isURLRemote(src)){if(!Caman.remoteProxy.length){Log.info("Attempting to load a remote image without a configured proxy. URL: "+src);}else{if(Caman.isURLRemote(Caman.remoteProxy)){Log.info("Cannot use a remote proxy for loading images.");return;}
return""+Caman.remoteProxy+"?camanProxyUrl="+(encodeURIComponent(src));}}};IO.proxyUrl=function(src){return""+Caman.remoteProxy+"?"+Caman.proxyParam+"="+(encodeURIComponent(src));};IO.useProxy=function(lang){var langToExt;langToExt={ruby:'rb',python:'py',perl:'pl',javascript:'js'};lang=lang.toLowerCase();if(langToExt[lang]!=null){lang=langToExt[lang];}
return"proxies/caman_proxy."+lang;};return IO;})();Caman.prototype.save=function(){if(typeof exports!=="undefined"&&exports!==null){return this.nodeSave.apply(this,arguments);}else{return this.browserSave.apply(this,arguments);}};Caman.prototype.browserSave=function(type){var image;if(type==null){type="png";}
type=type.toLowerCase();image=this.toBase64(type).replace("image/"+type,"image/octet-stream");return document.location.href=image;};Caman.prototype.nodeSave=function(file,overwrite){var stats;if(overwrite==null){overwrite=true;}
try{stats=fs.statSync(file);if(stats.isFile()&&!overwrite){return false;}}catch(e){Log.debug("Creating output file "+file);}
return fs.writeFile(file,this.canvas.toBuffer(),function(){return Log.debug("Finished writing to "+file);});};Caman.prototype.toImage=function(type){var img;img=document.createElement('img');img.src=this.toBase64(type);img.width=this.dimensions.width;img.height=this.dimensions.height;if(window.devicePixelRatio){img.width/=window.devicePixelRatio;img.height/=window.devicePixelRatio;}
return img;};Caman.prototype.toBase64=function(type){if(type==null){type="png";}
type=type.toLowerCase();return this.canvas.toDataURL("image/"+type);};Layer=(function(){function Layer(c){this.c=c;this.filter=this.c;this.options={blendingMode:'normal',opacity:1.0};this.layerID=Util.uniqid.get();this.canvas=typeof exports!=="undefined"&&exports!==null?new Canvas():document.createElement('canvas');this.canvas.width=this.c.dimensions.width;this.canvas.height=this.c.dimensions.height;this.context=this.canvas.getContext('2d');this.context.createImageData(this.canvas.width,this.canvas.height);this.imageData=this.context.getImageData(0,0,this.canvas.width,this.canvas.height);this.pixelData=this.imageData.data;}
Layer.prototype.newLayer=function(cb){return this.c.newLayer.call(this.c,cb);};Layer.prototype.setBlendingMode=function(mode){this.options.blendingMode=mode;return this;};Layer.prototype.opacity=function(opacity){this.options.opacity=opacity/100;return this;};Layer.prototype.copyParent=function(){var i,parentData,_i,_ref;parentData=this.c.pixelData;for(i=_i=0,_ref=this.c.pixelData.length;_i<_ref;i=_i+=4){this.pixelData[i]=parentData[i];this.pixelData[i+1]=parentData[i+1];this.pixelData[i+2]=parentData[i+2];this.pixelData[i+3]=parentData[i+3];}
return this;};Layer.prototype.fillColor=function(){return this.c.fillColor.apply(this.c,arguments);};Layer.prototype.overlayImage=function(image){if(typeof image==="object"){image=image.src;}else if(typeof image==="string"&&image[0]==="#"){image=$(image).src;}
if(!image){return this;}
this.c.renderer.renderQueue.push({type:Filter.Type.LoadOverlay,src:image,layer:this});return this;};Layer.prototype.applyToParent=function(){var i,layerData,parentData,result,rgbaLayer,rgbaParent,_i,_ref,_results;parentData=this.c.pixelStack[this.c.pixelStack.length-1];layerData=this.c.pixelData;_results=[];for(i=_i=0,_ref=layerData.length;_i<_ref;i=_i+=4){rgbaParent={r:parentData[i],g:parentData[i+1],b:parentData[i+2],a:parentData[i+3]};rgbaLayer={r:layerData[i],g:layerData[i+1],b:layerData[i+2],a:layerData[i+3]};result=Blender.execute(this.options.blendingMode,rgbaLayer,rgbaParent);result.r=Util.clampRGB(result.r);result.g=Util.clampRGB(result.g);result.b=Util.clampRGB(result.b);if(result.a==null){result.a=rgbaLayer.a;}
parentData[i]=rgbaParent.r-((rgbaParent.r-result.r)*(this.options.opacity*(result.a/255)));parentData[i+1]=rgbaParent.g-((rgbaParent.g-result.g)*(this.options.opacity*(result.a/255)));_results.push(parentData[i+2]=rgbaParent.b-((rgbaParent.b-result.b)*(this.options.opacity*(result.a/255))));}
return _results;};return Layer;})();Logger=(function(){function Logger(){var name,_i,_len,_ref;_ref=['log','info','warn','error'];for(_i=0,_len=_ref.length;_i<_len;_i++){name=_ref[_i];this[name]=(function(name){return function(){var args;args=1<=arguments.length?__slice.call(arguments,0):[];if(!Caman.DEBUG){return;}
try{return console[name].apply(console,args);}catch(e){return console[name](args);}};})(name);}
this.debug=this.log;}
return Logger;})();Log=new Logger();PixelInfo=(function(){PixelInfo.coordinatesToLocation=function(x,y,width){return(y*width+x)*4;};PixelInfo.locationToCoordinates=function(loc,width){var x,y;y=Math.floor(loc/(width*4));x=(loc%(width*4))/4;return{x:x,y:y};};function PixelInfo(c){this.c=c;this.loc=0;}
PixelInfo.prototype.locationXY=function(){var x,y;y=this.c.dimensions.height-Math.floor(this.loc/(this.c.dimensions.width*4));x=(this.loc%(this.c.dimensions.width*4))/4;return{x:x,y:y};};PixelInfo.prototype.getPixelRelative=function(horiz,vert){var newLoc;newLoc=this.loc+(this.c.dimensions.width*4*(vert*-1))+(4*horiz);if(newLoc>this.c.pixelData.length||newLoc<0){return{r:0,g:0,b:0,a:0};}
return{r:this.c.pixelData[newLoc],g:this.c.pixelData[newLoc+1],b:this.c.pixelData[newLoc+2],a:this.c.pixelData[newLoc+3]};};PixelInfo.prototype.putPixelRelative=function(horiz,vert,rgba){var nowLoc;nowLoc=this.loc+(this.c.dimensions.width*4*(vert*-1))+(4*horiz);if(newLoc>this.c.pixelData.length||newLoc<0){return;}
this.c.pixelData[newLoc]=rgba.r;this.c.pixelData[newLoc+1]=rgba.g;this.c.pixelData[newLoc+2]=rgba.b;this.c.pixelData[newLoc+3]=rgba.a;return true;};PixelInfo.prototype.getPixel=function(x,y){var loc;loc=this.coordinatesToLocation(x,y,this.width);return{r:this.c.pixelData[loc],g:this.c.pixelData[loc+1],b:this.c.pixelData[loc+2],a:this.c.pixelData[loc+3]};};PixelInfo.prototype.putPixel=function(x,y,rgba){var loc;loc=this.coordinatesToLocation(x,y,this.width);this.c.pixelData[loc]=rgba.r;this.c.pixelData[loc+1]=rgba.g;this.c.pixelData[loc+2]=rgba.b;return this.c.pixelData[loc+3]=rgba.a;};return PixelInfo;})();Plugin=(function(){function Plugin(){}
Plugin.plugins={};Plugin.register=function(name,plugin){return this.plugins[name]=plugin;};Plugin.execute=function(context,name,args){return this.plugins[name].apply(context,args);};return Plugin;})();Caman.Plugin=Plugin;Caman.Renderer=Renderer=(function(){Renderer.Blocks=Caman.NodeJS?require('os').cpus().length:4;function Renderer(c){var _this=this;this.c=c;this.processNext=function(){return Renderer.prototype.processNext.apply(_this,arguments);};this.renderQueue=[];this.modPixelData=null;}
Renderer.prototype.add=function(job){if(job==null){return;}
return this.renderQueue.push(job);};Renderer.prototype.processNext=function(){var layer;if(this.renderQueue.length===0){Event.trigger(this,"renderFinished");if(this.finishedFn!=null){this.finishedFn.call(this.c);}
return this;}
this.currentJob=this.renderQueue.shift();switch(this.currentJob.type){case Filter.Type.LayerDequeue:layer=this.c.canvasQueue.shift();this.c.executeLayer(layer);return this.processNext();case Filter.Type.LayerFinished:this.c.applyCurrentLayer();this.c.popContext();return this.processNext();case Filter.Type.LoadOverlay:return this.loadOverlay(this.currentJob.layer,this.currentJob.src);case Filter.Type.Plugin:return this.executePlugin();default:return this.executeFilter();}};Renderer.prototype.execute=function(callback){this.finishedFn=callback;this.modPixelData=Util.dataArray(this.c.pixelData.length);return this.processNext();};Renderer.prototype.eachBlock=function(fn){var blockN,blockPixelLength,bnum,end,f,i,lastBlockN,n,start,_i,_ref,_results,_this=this;this.blocksDone=0;n=this.c.pixelData.length;blockPixelLength=Math.floor((n/4)/Renderer.Blocks);blockN=blockPixelLength*4;lastBlockN=blockN+((n/4)%Renderer.Blocks)*4;_results=[];for(i=_i=0,_ref=Renderer.Blocks;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){start=i*blockN;end=start+(i===Renderer.Blocks-1?lastBlockN:blockN);if(Caman.NodeJS){f=Fiber(function(){return fn.call(_this,i,start,end);});bnum=f.run();_results.push(this.blockFinished(bnum));}else{_results.push(setTimeout((function(i,start,end){return function(){return fn.call(_this,i,start,end);};})(i,start,end),0));}}
return _results;};Renderer.prototype.executeFilter=function(){Event.trigger(this.c,"processStart",this.currentJob);if(this.currentJob.type===Filter.Type.Single){return this.eachBlock(this.renderBlock);}else{return this.eachBlock(this.renderKernel);}};Renderer.prototype.executePlugin=function(){Log.debug("Executing plugin "+this.currentJob.plugin);Plugin.execute(this.c,this.currentJob.plugin,this.currentJob.args);Log.debug("Plugin "+this.currentJob.plugin+" finished!");return this.processNext();};Renderer.prototype.renderBlock=function(bnum,start,end){var data,i,pixelInfo,res,_i;Log.debug("Block #"+bnum+" - Filter: "+this.currentJob.name+", Start: "+start+", End: "+end);Event.trigger(this.c,"blockStarted",{blockNum:bnum,totalBlocks:Renderer.Blocks,startPixel:start,endPixel:end});data={r:0,g:0,b:0,a:0};pixelInfo=new PixelInfo(this.c);for(i=_i=start;_i<end;i=_i+=4){pixelInfo.loc=i;data.r=this.c.pixelData[i];data.g=this.c.pixelData[i+1];data.b=this.c.pixelData[i+2];data.a=this.c.pixelData[i+3];res=this.currentJob.processFn.call(pixelInfo,data);if(res.a==null){res.a=data.a;}
this.c.pixelData[i]=Util.clampRGB(res.r);this.c.pixelData[i+1]=Util.clampRGB(res.g);this.c.pixelData[i+2]=Util.clampRGB(res.b);this.c.pixelData[i+3]=Util.clampRGB(res.a);}
if(Caman.NodeJS){return Fiber["yield"](bnum);}else{return this.blockFinished(bnum);}};Renderer.prototype.renderKernel=function(bnum,start,end){var adjust,adjustSize,bias,builder,builderIndex,divisor,i,j,k,kernel,n,name,pixel,pixelInfo,res,_i,_j,_k;name=this.currentJob.name;bias=this.currentJob.bias;divisor=this.currentJob.divisor;n=this.c.pixelData.length;adjust=this.currentJob.adjust;adjustSize=Math.sqrt(adjust.length);kernel=[];Log.debug("Rendering kernel - Filter: "+this.currentJob.name);start=Math.max(start,this.c.dimensions.width*4*((adjustSize-1)/2));end=Math.min(end,n-(this.c.dimensions.width*4*((adjustSize-1)/2)));builder=(adjustSize-1)/2;pixelInfo=new PixelInfo(this.c);for(i=_i=start;_i<end;i=_i+=4){pixelInfo.loc=i;builderIndex=0;for(j=_j=-builder;-builder<=builder?_j<=builder:_j>=builder;j=-builder<=builder?++_j:--_j){for(k=_k=builder;builder<=-builder?_k<=-builder:_k>=-builder;k=builder<=-builder?++_k:--_k){pixel=pixelInfo.getPixelRelative(j,k);kernel[builderIndex*3]=pixel.r;kernel[builderIndex*3+1]=pixel.g;kernel[builderIndex*3+2]=pixel.b;builderIndex++;}}
res=this.processKernel(adjust,kernel,divisor,bias);this.modPixelData[i]=Util.clampRGB(res.r);this.modPixelData[i+1]=Util.clampRGB(res.g);this.modPixelData[i+2]=Util.clampRGB(res.b);this.modPixelData[i+3]=this.c.pixelData[i+3];}
if(Caman.NodeJS){return Fiber["yield"](bnum);}else{return this.blockFinished(bnum);}};Renderer.prototype.blockFinished=function(bnum){var i,_i,_ref;if(bnum>=0){Log.debug("Block #"+bnum+" finished! Filter: "+this.currentJob.name);}
this.blocksDone++;Event.trigger(this.c,"blockFinished",{blockNum:bnum,blocksFinished:this.blocksDone,totalBlocks:Renderer.Blocks});if(this.blocksDone===Renderer.Blocks){if(this.currentJob.type===Filter.Type.Kernel){for(i=_i=0,_ref=this.c.pixelData.length;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){this.c.pixelData[i]=this.modPixelData[i];}}
if(bnum>=0){Log.debug("Filter "+this.currentJob.name+" finished!");}
Event.trigger(this.c,"processComplete",this.currentJob);return this.processNext();}};Renderer.prototype.processKernel=function(adjust,kernel,divisor,bias){var i,val,_i,_ref;val={r:0,g:0,b:0};for(i=_i=0,_ref=adjust.length;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){val.r+=adjust[i]*kernel[i*3];val.g+=adjust[i]*kernel[i*3+1];val.b+=adjust[i]*kernel[i*3+2];}
val.r=(val.r/divisor)+bias;val.g=(val.g/divisor)+bias;val.b=(val.b/divisor)+bias;return val;};Renderer.prototype.loadOverlay=function(layer,src){var img,proxyUrl,_this=this;img=document.createElement('img');img.onload=function(){layer.context.drawImage(img,0,0,_this.c.dimensions.width,_this.c.dimensions.height);layer.imageData=layer.context.getImageData(0,0,_this.c.dimensions.width,_this.c.dimensions.height);layer.pixelData=layer.imageData.data;_this.c.pixelData=layer.pixelData;return _this.processNext();};proxyUrl=IO.remoteCheck(src);return img.src=proxyUrl!=null?proxyUrl:src;};return Renderer;})();Caman.Store=Store=(function(){function Store(){}
Store.items={};Store.has=function(search){return this.items[search]!=null;};Store.get=function(search){return this.items[search];};Store.put=function(name,obj){return this.items[name]=obj;};Store.execute=function(search,callback){var _this=this;setTimeout(function(){return callback.call(_this.get(search),_this.get(search));},0);return this.get(search);};Store.flush=function(name){if(name==null){name=false;}
if(name){return delete this.items[name];}else{return this.items={};}};return Store;})();Blender.register("normal",function(rgbaLayer,rgbaParent){return{r:rgbaLayer.r,g:rgbaLayer.g,b:rgbaLayer.b};});Blender.register("multiply",function(rgbaLayer,rgbaParent){return{r:(rgbaLayer.r*rgbaParent.r)/255,g:(rgbaLayer.g*rgbaParent.g)/255,b:(rgbaLayer.b*rgbaParent.b)/255};});Blender.register("screen",function(rgbaLayer,rgbaParent){return{r:255-(((255-rgbaLayer.r)*(255-rgbaParent.r))/255),g:255-(((255-rgbaLayer.g)*(255-rgbaParent.g))/255),b:255-(((255-rgbaLayer.b)*(255-rgbaParent.b))/255)};});Blender.register("overlay",function(rgbaLayer,rgbaParent){var result;result={};result.r=rgbaParent.r>128?255-2*(255-rgbaLayer.r)*(255-rgbaParent.r)/255:(rgbaParent.r*rgbaLayer.r*2)/255;result.g=rgbaParent.g>128?255-2*(255-rgbaLayer.g)*(255-rgbaParent.g)/255:(rgbaParent.g*rgbaLayer.g*2)/255;result.b=rgbaParent.b>128?255-2*(255-rgbaLayer.b)*(255-rgbaParent.b)/255:(rgbaParent.b*rgbaLayer.b*2)/255;return result;});Blender.register("difference",function(rgbaLayer,rgbaParent){return{r:rgbaLayer.r-rgbaParent.r,g:rgbaLayer.g-rgbaParent.g,b:rgbaLayer.b-rgbaParent.b};});Blender.register("addition",function(rgbaLayer,rgbaParent){return{r:rgbaParent.r+rgbaLayer.r,g:rgbaParent.g+rgbaLayer.g,b:rgbaParent.b+rgbaLayer.b};});Blender.register("exclusion",function(rgbaLayer,rgbaParent){return{r:128-2*(rgbaParent.r-128)*(rgbaLayer.r-128)/255,g:128-2*(rgbaParent.g-128)*(rgbaLayer.g-128)/255,b:128-2*(rgbaParent.b-128)*(rgbaLayer.b-128)/255};});Blender.register("softLight",function(rgbaLayer,rgbaParent){var result;result={};result.r=rgbaParent.r>128?255-((255-rgbaParent.r)*(255-(rgbaLayer.r-128)))/255:(rgbaParent.r*(rgbaLayer.r+128))/255;result.g=rgbaParent.g>128?255-((255-rgbaParent.g)*(255-(rgbaLayer.g-128)))/255:(rgbaParent.g*(rgbaLayer.g+128))/255;result.b=rgbaParent.b>128?255-((255-rgbaParent.b)*(255-(rgbaLayer.b-128)))/255:(rgbaParent.b*(rgbaLayer.b+128))/255;return result;});Blender.register("lighten",function(rgbaLayer,rgbaParent){return{r:rgbaParent.r>rgbaLayer.r?rgbaParent.r:rgbaLayer.r,g:rgbaParent.g>rgbaLayer.g?rgbaParent.g:rgbaLayer.g,b:rgbaParent.b>rgbaLayer.b?rgbaParent.b:rgbaLayer.b};});Blender.register("darken",function(rgbaLayer,rgbaParent){return{r:rgbaParent.r>rgbaLayer.r?rgbaLayer.r:rgbaParent.r,g:rgbaParent.g>rgbaLayer.g?rgbaLayer.g:rgbaParent.g,b:rgbaParent.b>rgbaLayer.b?rgbaLayer.b:rgbaParent.b};});Filter.register("fillColor",function(){var color;if(arguments.length===1){color=Convert.hexToRGB(arguments[0]);}else{color={r:arguments[0],g:arguments[1],b:arguments[2]};}
return this.process("fillColor",function(rgba){rgba.r=color.r;rgba.g=color.g;rgba.b=color.b;rgba.a=255;return rgba;});});Filter.register("brightness",function(adjust){adjust=Math.floor(255*(adjust/100));return this.process("brightness",function(rgba){rgba.r+=adjust;rgba.g+=adjust;rgba.b+=adjust;return rgba;});});Filter.register("saturation",function(adjust){adjust*=-0.01;return this.process("saturation",function(rgba){var max;max=Math.max(rgba.r,rgba.g,rgba.b);if(rgba.r!==max){rgba.r+=(max-rgba.r)*adjust;}
if(rgba.g!==max){rgba.g+=(max-rgba.g)*adjust;}
if(rgba.b!==max){rgba.b+=(max-rgba.b)*adjust;}
return rgba;});});Filter.register("vibrance",function(adjust){adjust*=-1;return this.process("vibrance",function(rgba){var amt,avg,max;max=Math.max(rgba.r,rgba.g,rgba.b);avg=(rgba.r+rgba.g+rgba.b)/3;amt=((Math.abs(max-avg)*2/255)*adjust)/100;if(rgba.r!==max){rgba.r+=(max-rgba.r)*amt;}
if(rgba.g!==max){rgba.g+=(max-rgba.g)*amt;}
if(rgba.b!==max){rgba.b+=(max-rgba.b)*amt;}
return rgba;});});Filter.register("greyscale",function(adjust){return this.process("greyscale",function(rgba){var avg;avg=Calculate.luminance(rgba);rgba.r=avg;rgba.g=avg;rgba.b=avg;return rgba;});});Filter.register("contrast",function(adjust){adjust=Math.pow((adjust+100)/100,2);return this.process("contrast",function(rgba){rgba.r/=255;rgba.r-=0.5;rgba.r*=adjust;rgba.r+=0.5;rgba.r*=255;rgba.g/=255;rgba.g-=0.5;rgba.g*=adjust;rgba.g+=0.5;rgba.g*=255;rgba.b/=255;rgba.b-=0.5;rgba.b*=adjust;rgba.b+=0.5;rgba.b*=255;return rgba;});});Filter.register("hue",function(adjust){return this.process("hue",function(rgba){var h,hsv,rgb;hsv=Convert.rgbToHSV(rgba.r,rgba.g,rgba.b);h=hsv.h*100;h+=Math.abs(adjust);h=h%100;h/=100;hsv.h=h;rgb=Convert.hsvToRGB(hsv.h,hsv.s,hsv.v);rgb.a=rgba.a;return rgb;});});Filter.register("colorize",function(){var level,rgb;if(arguments.length===2){rgb=Convert.hexToRGB(arguments[0]);level=arguments[1];}else if(arguments.length===4){rgb={r:arguments[0],g:arguments[1],b:arguments[2]};level=arguments[3];}
return this.process("colorize",function(rgba){rgba.r-=(rgba.r-rgb.r)*(level/100);rgba.g-=(rgba.g-rgb.g)*(level/100);rgba.b-=(rgba.b-rgb.b)*(level/100);return rgba;});});Filter.register("invert",function(){return this.process("invert",function(rgba){rgba.r=255-rgba.r;rgba.g=255-rgba.g;rgba.b=255-rgba.b;return rgba;});});Filter.register("sepia",function(adjust){if(adjust==null){adjust=100;}
adjust/=100;return this.process("sepia",function(rgba){rgba.r=Math.min(255,(rgba.r*(1-(0.607*adjust)))+(rgba.g*(0.769*adjust))+(rgba.b*(0.189*adjust)));rgba.g=Math.min(255,(rgba.r*(0.349*adjust))+(rgba.g*(1-(0.314*adjust)))+(rgba.b*(0.168*adjust)));rgba.b=Math.min(255,(rgba.r*(0.272*adjust))+(rgba.g*(0.534*adjust))+(rgba.b*(1-(0.869*adjust))));return rgba;});});Filter.register("gamma",function(adjust){return this.process("gamma",function(rgba){rgba.r=Math.pow(rgba.r/255,adjust)*255;rgba.g=Math.pow(rgba.g/255,adjust)*255;rgba.b=Math.pow(rgba.b/255,adjust)*255;return rgba;});});Filter.register("noise",function(adjust){adjust=Math.abs(adjust)*2.55;return this.process("noise",function(rgba){var rand;rand=Calculate.randomRange(adjust*-1,adjust);rgba.r+=rand;rgba.g+=rand;rgba.b+=rand;return rgba;});});Filter.register("clip",function(adjust){adjust=Math.abs(adjust)*2.55;return this.process("clip",function(rgba){if(rgba.r>255-adjust){rgba.r=255;}else if(rgba.r<adjust){rgba.r=0;}
if(rgba.g>255-adjust){rgba.g=255;}else if(rgba.g<adjust){rgba.g=0;}
if(rgba.b>255-adjust){rgba.b=255;}else if(rgba.b<adjust){rgba.b=0;}
return rgba;});});Filter.register("channels",function(options){var chan,value;if(typeof options!=="object"){return this;}
for(chan in options){if(!__hasProp.call(options,chan))continue;value=options[chan];if(value===0){delete options[chan];continue;}
options[chan]/=100;}
if(options.length===0){return this;}
return this.process("channels",function(rgba){if(options.red!=null){if(options.red>0){rgba.r+=(255-rgba.r)*options.red;}else{rgba.r-=rgba.r*Math.abs(options.red);}}
if(options.green!=null){if(options.green>0){rgba.g+=(255-rgba.g)*options.green;}else{rgba.g-=rgba.g*Math.abs(options.green);}}
if(options.blue!=null){if(options.blue>0){rgba.b+=(255-rgba.b)*options.blue;}else{rgba.b-=rgba.b*Math.abs(options.blue);}}
return rgba;});});Filter.register("curves",function(){var bezier,chans,cps,ctrl1,ctrl2,end,i,start,_i,_j,_ref,_ref1;chans=arguments[0],cps=2<=arguments.length?__slice.call(arguments,1):[];if(typeof chans==="string"){chans=chans.split("");}
if(chans[0]==="v"){chans=['r','g','b'];}
if(cps.length<3||cps.length>4){throw"Invalid number of arguments to curves filter";}
start=cps[0];ctrl1=cps[1];ctrl2=cps.length===4?cps[2]:cps[1];end=cps[cps.length-1];bezier=Calculate.bezier(start,ctrl1,ctrl2,end,0,255);if(start[0]>0){for(i=_i=0,_ref=start[0];0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){bezier[i]=start[1];}}
if(end[0]<255){for(i=_j=_ref1=end[0];_ref1<=255?_j<=255:_j>=255;i=_ref1<=255?++_j:--_j){bezier[i]=end[1];}}
return this.process("curves",function(rgba){var _k,_ref2;for(i=_k=0,_ref2=chans.length;0<=_ref2?_k<_ref2:_k>_ref2;i=0<=_ref2?++_k:--_k){rgba[chans[i]]=bezier[rgba[chans[i]]];}
return rgba;});});Filter.register("exposure",function(adjust){var ctrl1,ctrl2,p;p=Math.abs(adjust)/100;ctrl1=[0,255*p];ctrl2=[255-(255*p),255];if(adjust<0){ctrl1=ctrl1.reverse();ctrl2=ctrl2.reverse();}
return this.curves('rgb',[0,0],ctrl1,ctrl2,[255,255]);});Caman.Plugin.register("crop",function(width,height,x,y){var canvas,ctx;if(x==null){x=0;}
if(y==null){y=0;}
if(typeof exports!=="undefined"&&exports!==null){canvas=new Canvas(width,height);}else{canvas=document.createElement('canvas');Util.copyAttributes(this.canvas,canvas);canvas.width=width;canvas.height=height;}
ctx=canvas.getContext('2d');ctx.drawImage(this.canvas,x,y,width,height,0,0,width,height);this.cropCoordinates={x:x,y:y};this.cropped=true;return this.replaceCanvas(canvas);});Caman.Plugin.register("resize",function(newDims){var canvas,ctx;if(newDims==null){newDims=null;}
if(newDims===null||((newDims.width==null)&&(newDims.height==null))){Log.error("Invalid or missing dimensions given for resize");return;}
if(newDims.width==null){newDims.width=this.canvas.width*newDims.height/this.canvas.height;}else if(newDims.height==null){newDims.height=this.canvas.height*newDims.width/this.canvas.width;}
if(typeof exports!=="undefined"&&exports!==null){canvas=new Canvas(newDims.width,newDims.height);}else{canvas=document.createElement('canvas');Util.copyAttributes(this.canvas,canvas);canvas.width=newDims.width;canvas.height=newDims.height;}
ctx=canvas.getContext('2d');ctx.drawImage(this.canvas,0,0,this.canvas.width,this.canvas.height,0,0,newDims.width,newDims.height);this.resized=true;return this.replaceCanvas(canvas);});Caman.Filter.register("crop",function(){return this.processPlugin("crop",Array.prototype.slice.call(arguments,0));});Caman.Filter.register("resize",function(){return this.processPlugin("resize",Array.prototype.slice.call(arguments,0));});}).call(this);