admin/view/javascript/ckfinder/libs/caman.js

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(function(){var $,Analyze,Blender,Calculate,Caman,CamanParser,Canvas,Convert,Event,Fiber,Filter,IO,Image,Layer,Log,Module,Pixel,Plugin,Renderer,Root,Store,Util,fs,http,moduleKeywords,slice,vignetteFilters,indexOf=[].indexOf||function(item){for(var i=0,l=this.length;i<l;i++){if(i in this&&this[i]===item)return i;}return-1;},slice1=[].slice,hasProp={}.hasOwnProperty,bind=function(fn,me){return function(){return fn.apply(me,arguments);};},extend=function(child,parent){for(var key in parent){if(hasProp.call(parent,key))child[key]=parent[key];}function ctor(){this.constructor=child;}ctor.prototype=parent.prototype;child.prototype=new ctor();child.__super__=parent.prototype;return child;};moduleKeywords=['extended','included'];Module=(function(){function Module(){}
Module["extends"]=function(obj){var key,ref,value;for(key in obj){value=obj[key];if(indexOf.call(moduleKeywords,key)<0){this[key]=value;}}
if((ref=obj.extended)!=null){ref.apply(this);}
return this;};Module.includes=function(obj){var key,ref,value;for(key in obj){value=obj[key];if(indexOf.call(moduleKeywords,key)<0){this.prototype[key]=value;}}
if((ref=obj.included)!=null){ref.apply(this);}
return this;};Module.delegate=function(){var args,len,o,results,source,target;args=1<=arguments.length?slice1.call(arguments,0):[];target=args.pop();results=[];for(o=0,len=args.length;o<len;o++){source=args[o];results.push(this.prototype[source]=target.prototype[source]);}
return results;};Module.aliasFunction=function(to,from){return this.prototype[to]=(function(_this){return function(){var args;args=1<=arguments.length?slice1.call(arguments,0):[];return _this.prototype[from].apply(_this,args);};})(this);};Module.aliasProperty=function(to,from){return Object.defineProperty(this.prototype,to,{get:function(){return this[from];},set:function(val){return this[from]=val;}});};Module.included=function(func){return func.call(this,this.prototype);};return Module;})();slice=Array.prototype.slice;$=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(){var copy,dest,len,o,obj,prop,src;obj=arguments[0],src=2<=arguments.length?slice1.call(arguments,1):[];dest=obj;for(o=0,len=src.length;o<len;o++){copy=src[o];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,len,o,ref,ref1,results;if(opts==null){opts={};}
ref=from.attributes;results=[];for(o=0,len=ref.length;o<len;o++){attr=ref[o];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');http=require('http');}else{Root=window;}
Caman=(function(superClass){extend(Caman,superClass);Caman.version={release:"4.1.2",date:"7/27/2013"};Caman.DEBUG=false;Caman.allowRevert=true;Caman.crossOrigin="anonymous";Caman.remoteProxy="";Caman.proxyParam="camanProxyUrl";Caman.NodeJS=typeof exports!=="undefined"&&exports!==null;Caman.autoload=!Caman.NodeJS;Caman.toString=function(){return"Version "+Caman.version.release+", Released "+Caman.version.date;};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(){this.nodeFileReady=bind(this.nodeFileReady,this);var args,callback,id;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.rotated=false;this.rotationAngle=0;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){return function(){_this.parseArguments(args);return _this.setup();};})(this));return this;}else{return new Caman(arguments);}}
Caman.prototype.domIsLoaded=function(cb){var listener;if(Caman.NodeJS){return setTimeout((function(_this){return function(){return cb.call(_this);};})(this),0);}else{if(document.readyState==="complete"){Log.debug("DOM initialized");return setTimeout((function(_this){return function(){return cb.call(_this);};})(this),0);}else{listener=(function(_this){return function(){if(document.readyState==="complete"){Log.debug("DOM initialized");return cb.call(_this);}};})(this);return document.addEventListener("readystatechange",listener,false);}}};Caman.prototype.parseArguments=function(args){var key,ref,results,val;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(){Log.debug("Initializing for NodeJS");if(typeof this.initObj==="string"&&this.initObj.match(/^https?:\/\//)){return this.readFromHttp(this.initObj,this.nodeFileReady);}else if(typeof this.initObj==="string"){return fs.readFile(this.initObj,this.nodeFileReady);}else{return this.nodeFileReady(null,this.initObj);}};Caman.prototype.readFromHttp=function(url,callback){var req;Log.debug("Fetching image from "+url);req=http.get(url,function(res){var buf;buf='';res.setEncoding('binary');res.on('data',function(chunk){return buf+=chunk;});return res.on('end',function(){return callback(null,new Buffer(buf,'binary'));});});return req.on('error',callback);};Caman.prototype.nodeFileReady=function(err,data){if(err){throw err;}
this.image=new Image();this.image.src=data;Log.debug("Image loaded. Width = "+(this.imageWidth())+", Height = "+(this.imageHeight()));this.canvas=new Canvas(this.imageWidth(),this.imageHeight());this.renderingCanvas=new Canvas(this.imageWidth(),this.imageHeight());return this.finishInit();};Caman.prototype.initImage=function(){this.image=this.initObj;this.canvas=document.createElement('canvas');this.context=this.canvas.getContext('2d');this.renderingCanvas=document.createElement('canvas');this.renderingContext=this.renderingCanvas.getContext('2d');Util.copyAttributes(this.image,this.canvas,{except:['src']});Util.copyAttributes(this.image,this.renderingCanvas,{except:['src']});if(this.image.parentNode!=null){this.image.parentNode.replaceChild(this.renderingCanvas,this.image);}
this.imageAdjustments();return this.waitForImageLoaded();};Caman.prototype.initCanvas=function(){this.canvas=document.createElement('canvas');this.context=this.canvas.getContext('2d');this.renderingCanvas=this.initObj;this.renderingContext=this.renderingCanvas.getContext('2d');this.canvas.width=this.renderingCanvas.width;this.canvas.height=this.renderingCanvas.height;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();this.renderingCanvas.width=this.imageWidth()/this.hiDPIRatio();this.renderingCanvas.height=this.imageHeight()/this.hiDPIRatio();}else{this.canvas.width=this.imageWidth();this.canvas.height=this.imageHeight();this.renderingCanvas.width=this.imageWidth();this.renderingCanvas.height=this.imageHeight();}
return this.finishInit();};Caman.prototype.finishInit=function(){var i,len,o,pixel,ref;if(this.context==null){this.context=this.canvas.getContext('2d');}
if(this.renderingContext==null){this.renderingContext=this.renderingCanvas.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.renderingContext.drawImage(this.image,0,0,this.imageWidth(),this.imageHeight(),0,0,this.preScaledWidth,this.preScaledHeight);}
this.imageData=this.context.getImageData(0,0,this.canvas.width,this.canvas.height);this.pixelData=this.imageData.data;if(Caman.allowRevert){this.initializedPixelData=Util.dataArray(this.pixelData.length);this.originalPixelData=Util.dataArray(this.pixelData.length);ref=this.pixelData;for(i=o=0,len=ref.length;o<len;i=++o){pixel=ref[i];this.initializedPixelData[i]=pixel;this.originalPixelData[i]=pixel;}}
this.dimensions={width:this.canvas.width,height:this.canvas.height};if(!Caman.NodeJS){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 i,len,o,pixel,ref,results;if(!Caman.allowRevert){throw"Revert disabled";}
this.originalPixelData=Util.dataArray(this.pixelData.length);ref=this.pixelData;results=[];for(i=o=0,len=ref.length;o<len;i=++o){pixel=ref[i];results.push(this.originalPixelData[i]=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.needsHiDPISwap()){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 i,len,o,pixel,ref;this.canvas=newCanvas;this.context=this.canvas.getContext('2d');this.imageData=this.context.getImageData(0,0,this.canvas.width,this.canvas.height);this.pixelData=this.imageData.data;if(Caman.allowRevert){this.originalPixelData=Util.dataArray(this.pixelData.length);ref=this.pixelData;for(i=o=0,len=ref.length;o<len;i=++o){pixel=ref[i];this.originalPixelData[i]=pixel;}}
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){if(callback==null){callback=function(){};}
Event.trigger(this,"renderStart");return this.renderer.execute((function(_this){return function(){_this.renderingCanvas.width=_this.canvas.width;_this.renderingCanvas.height=_this.canvas.height;_this.renderingContext.putImageData(_this.imageData,0,0);return callback.call(_this);};})(this));};Caman.prototype.revert=function(updateContext){var i,len,o,pixel,ref;if(updateContext==null){updateContext=true;}
if(!Caman.allowRevert){throw"Revert disabled";}
ref=this.originalVisiblePixels();for(i=o=0,len=ref.length;o<len;i=++o){pixel=ref[i];this.pixelData[i]=pixel;}
if(updateContext){return this.renderingContext.putImageData(this.imageData,0,0);}};Caman.prototype.reset=function(){var canvas,ctx,i,imageData,len,o,pixel,pixelData,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=o=0,len=ref.length;o<len;i=++o){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 coord,endX,endY,i,o,pixelData,pixels,ref,ref1,ref2,startX,startY,width;if(!Caman.allowRevert){throw"Revert disabled";}
pixels=[];startX=0;endX=startX+this.width;startY=0;endY=startY+this.height;pixelData=this.originalPixelData;width=this.canvas.width;for(i=o=0,ref=pixelData.length;o<ref;i=o+=4){coord=Pixel.locationToCoordinates(i,width);if(((startX<=(ref1=coord.x)&&ref1<endX))&&((startY<=(ref2=coord.y)&&ref2<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,o,ref;if(divisor==null){divisor=null;}