path: root/lib/psd.min.js

/*!
PSD.js - A Photoshop file parser for browsers and NodeJS
https://github.com/meltingice/psd.js

MIT LICENSE
Copyright (c) 2011 Ryan LeFevre
 
Permission is hereby granted, free of charge, to any person obtaining a copy of this 
software and associated documentation files (the "Software"), to deal in the Software 
without restriction, including without limitation the rights to use, copy, modify, merge, 
publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or 
substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/(function(){function JSPack()
{var el,bBE=false,m=this;m._DeArray=function(a,p,l)
{return[a.slice(p,p+l)];};m._EnArray=function(a,p,l,v)
{for(var i=0;i<l;a[p+i]=v[i]?v[i]:0,i++);};m._DeChar=function(a,p)
{return String.fromCharCode(a[p]);};m._EnChar=function(a,p,v)
{a[p]=v.charCodeAt(0);};m._DeInt=function(a,p)
{var lsb=bBE?(el.len-1):0,nsb=bBE?-1:1,stop=lsb+nsb*el.len,rv,i,f;for(rv=0,i=lsb,f=1;i!=stop;rv+=(a[p+i]*f),i+=nsb,f*=256);if(el.bSigned&&(rv&Math.pow(2,el.len*8-1))){rv-=Math.pow(2,el.len*8);}
return rv;};m._EnInt=function(a,p,v)
{var lsb=bBE?(el.len-1):0,nsb=bBE?-1:1,stop=lsb+nsb*el.len,i;v=(v<el.min)?el.min:(v>el.max)?el.max:v;for(i=lsb;i!=stop;a[p+i]=v&0xff,i+=nsb,v>>=8);};m._DeString=function(a,p,l)
{for(var rv=new Array(l),i=0;i<l;rv[i]=String.fromCharCode(a[p+i]),i++);return rv.join('');};m._EnString=function(a,p,l,v)
{for(var t,i=0;i<l;a[p+i]=(t=v.charCodeAt(i))?t:0,i++);};m._De754=function(a,p)
{var s,e,m,i,d,nBits,mLen,eLen,eBias,eMax;mLen=el.mLen,eLen=el.len*8-el.mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1;i=bBE?0:(el.len-1);d=bBE?1:-1;s=a[p+i];i+=d;nBits=-7;for(e=s&((1<<(-nBits))-1),s>>=(-nBits),nBits+=eLen;nBits>0;e=e*256+a[p+i],i+=d,nBits-=8);for(m=e&((1<<(-nBits))-1),e>>=(-nBits),nBits+=mLen;nBits>0;m=m*256+a[p+i],i+=d,nBits-=8);switch(e)
{case 0:e=1-eBias;break;case eMax:return m?NaN:((s?-1:1)*Infinity);default:m=m+Math.pow(2,mLen);e=e-eBias;break;}
return(s?-1:1)*m*Math.pow(2,e-mLen);};m._En754=function(a,p,v)
{var s,e,m,i,d,c,mLen,eLen,eBias,eMax;mLen=el.mLen,eLen=el.len*8-el.mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1;s=v<0?1:0;v=Math.abs(v);if(isNaN(v)||(v==Infinity))
{m=isNaN(v)?1:0;e=eMax;}
else
{e=Math.floor(Math.log(v)/Math.LN2);if(v*(c=Math.pow(2,-e))<1){e--;c*=2;}
if(e+eBias>=1){v+=el.rt/c;}
else{v+=el.rt*Math.pow(2,1-eBias);}
if(v*c>=2){e++;c/=2;}
if(e+eBias>=eMax)
{m=0;e=eMax;}
else if(e+eBias>=1)
{m=(v*c-1)*Math.pow(2,mLen);e=e+eBias;}
else
{m=v*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0;}}
for(i=bBE?(el.len-1):0,d=bBE?-1:1;mLen>=8;a[p+i]=m&0xff,i+=d,m/=256,mLen-=8);for(e=(e<<mLen)|m,eLen+=mLen;eLen>0;a[p+i]=e&0xff,i+=d,e/=256,eLen-=8);a[p+i-d]|=s*128;};m._sPattern='(\\d+)?([AxcbBhHsfdiIlL])';m._lenLut={'A':1,'x':1,'c':1,'b':1,'B':1,'h':2,'H':2,'s':1,'f':4,'d':8,'i':4,'I':4,'l':4,'L':4};m._elLut={'A':{en:m._EnArray,de:m._DeArray},'s':{en:m._EnString,de:m._DeString},'c':{en:m._EnChar,de:m._DeChar},'b':{en:m._EnInt,de:m._DeInt,len:1,bSigned:true,min:-Math.pow(2,7),max:Math.pow(2,7)-1},'B':{en:m._EnInt,de:m._DeInt,len:1,bSigned:false,min:0,max:Math.pow(2,8)-1},'h':{en:m._EnInt,de:m._DeInt,len:2,bSigned:true,min:-Math.pow(2,15),max:Math.pow(2,15)-1},'H':{en:m._EnInt,de:m._DeInt,len:2,bSigned:false,min:0,max:Math.pow(2,16)-1},'i':{en:m._EnInt,de:m._DeInt,len:4,bSigned:true,min:-Math.pow(2,31),max:Math.pow(2,31)-1},'I':{en:m._EnInt,de:m._DeInt,len:4,bSigned:false,min:0,max:Math.pow(2,32)-1},'l':{en:m._EnInt,de:m._DeInt,len:4,bSigned:true,min:-Math.pow(2,31),max:Math.pow(2,31)-1},'L':{en:m._EnInt,de:m._DeInt,len:4,bSigned:false,min:0,max:Math.pow(2,32)-1},'f':{en:m._En754,de:m._De754,len:4,mLen:23,rt:Math.pow(2,-24)-Math.pow(2,-77)},'d':{en:m._En754,de:m._De754,len:8,mLen:52,rt:0}};m._UnpackSeries=function(n,s,a,p)
{for(var fxn=el.de,rv=[],i=0;i<n;rv.push(fxn(a,p+i*s)),i++);return rv;};m._PackSeries=function(n,s,a,p,v,i)
{for(var fxn=el.en,o=0;o<n;fxn(a,p+o*s,v[i+o]),o++);};m.Unpack=function(fmt,a,p)
{bBE=(fmt.charAt(0)!='<');p=p?p:0;var re=new RegExp(this._sPattern,'g'),m,n,s,rv=[];while(m=re.exec(fmt))
{n=((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1]);s=this._lenLut[m[2]];if((p+n*s)>a.length)
{return undefined;}
switch(m[2])
{case'A':case's':rv.push(this._elLut[m[2]].de(a,p,n));break;case'c':case'b':case'B':case'h':case'H':case'i':case'I':case'l':case'L':case'f':case'd':el=this._elLut[m[2]];rv.push(this._UnpackSeries(n,s,a,p));break;}
p+=n*s;}
return Array.prototype.concat.apply([],rv);};m.PackTo=function(fmt,a,p,values)
{bBE=(fmt.charAt(0)!='<');var re=new RegExp(this._sPattern,'g'),m,n,s,i=0,j;while(m=re.exec(fmt))
{n=((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1]);s=this._lenLut[m[2]];if((p+n*s)>a.length)
{return false;}
switch(m[2])
{case'A':case's':if((i+1)>values.length){return false;}
this._elLut[m[2]].en(a,p,n,values[i]);i+=1;break;case'c':case'b':case'B':case'h':case'H':case'i':case'I':case'l':case'L':case'f':case'd':el=this._elLut[m[2]];if((i+n)>values.length){return false;}
this._PackSeries(n,s,a,p,values,i);i+=n;break;case'x':for(j=0;j<n;j++){a[p+j]=0;}
break;}
p+=n*s;}
return a;};m.Pack=function(fmt,values)
{return this.PackTo(fmt,new Array(this.CalcLength(fmt)),0,values);};m.CalcLength=function(fmt)
{var re=new RegExp(this._sPattern,'g'),m,sum=0;while(m=re.exec(fmt))
{sum+=(((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1]))*this._lenLut[m[2]];}
return sum;};};var jspack=new JSPack();;var Log,PSD,PSDBrightnessContrast,PSDChannelImage,PSDColor,PSDColorBalance,PSDCurves,PSDDropDownLayerEffect,PSDFile,PSDHeader,PSDHueSaturation,PSDImage,PSDInvert,PSDLayer,PSDLayerEffect,PSDLayerEffectCommonStateInfo,PSDLayerMask,PSDLevels,PSDPosterize,PSDResource,PSDSelectiveColor,PSDThreshold,Root,Util,assert,fs,__hasProp={}.hasOwnProperty,__extends=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;};assert=(function(assert){if(typeof exports!=="undefined"&&exports!==null){return require('assert');}
assert=function(test){if(test!==true){throw"Assertion error";}};assert.equal=function(actual,expected){if(actual!==expected){throw"Assertion error";}};return assert;})(assert);if(typeof exports!=="undefined"&&exports!==null){Root=exports;fs=require('fs');}else{Root=window;}
Root.PSD=PSD=(function(){PSD.name='PSD';PSD.DEBUG=false;PSD.fromFile=function(file,cb){var data,reader;if(cb==null){cb=function(){};}
if(typeof exports!=="undefined"&&exports!==null){data=fs.readFileSync(file);return new PSD(data);}else{reader=new FileReader();reader.onload=function(f){var bytes,psd;bytes=new Int8Array(f.target.result);psd=new PSD(bytes);return cb(psd);};return reader.readAsArrayBuffer(file);}};PSD.fromURL=function(url,cb){var xhr;if(cb==null){cb=function(){};}
xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function(){var data,psd;data=new Int8Array(xhr.response||xhr.mozResponseArrayBuffer);psd=new PSD(data);return cb(psd);};return xhr.send(null);};PSD.prototype.options={layerImages:false};function PSD(data){this.file=new PSDFile(data);this.header=null;this.resources=null;this.layerMask=null;this.layers=null;this.images=null;this.image=null;}
PSD.prototype.setOptions=function(options){var key,val,_results;_results=[];for(key in options){if(!__hasProp.call(options,key))continue;val=options[key];_results.push(this.options[key]=val);}
return _results;};PSD.prototype.parse=function(){Log.debug("Beginning parsing");this.startTime=(new Date()).getTime();this.parseHeader();this.parseImageResources();this.parseLayersMasks();this.parseImageData();this.endTime=(new Date()).getTime();return Log.debug("Parsing finished in "+(this.endTime-this.startTime)+"ms");};PSD.prototype.parseHeader=function(){Log.debug("\n### Header ###");this.header=new PSDHeader(this.file);this.header.parse();return Log.debug(this.header);};PSD.prototype.parseImageResources=function(skip){var length,n,pos,resource,start;if(skip==null){skip=false;}
Log.debug("\n### Resources ###");this.resources=[];n=this.file.readInt();length=n;if(skip){Log.debug("Skipped!");return this.file.seek(n);}
start=this.file.tell();while(n>0){pos=this.file.tell();resource=new PSDResource(this.file);resource.parse();n-=this.file.tell()-pos;this.resources.push(resource);Log.debug("Resource: ",resource);}
if(n!==0){Log.debug("Image resources overran expected size by "+(-n)+" bytes");return this.file.seek(start+length);}};PSD.prototype.parseLayersMasks=function(skip){if(skip==null){skip=false;}
if(!this.header){this.parseHeader();}
if(!this.resources){this.parseImageResources(true);}
Log.debug("\n### Layers & Masks ###");this.layerMask=new PSDLayerMask(this.file,this.header,this.options);this.layers=this.layerMask.layers;if(skip){Log.debug("Skipped!");return this.layerMask.skip();}else{return this.layerMask.parse();}};PSD.prototype.parseImageData=function(){if(!this.header){this.parseHeader();}
if(!this.resources){this.parseImageResources(true);}
if(!this.layerMask){this.parseLayersMasks(true);}
this.image=new PSDImage(this.file,this.header);return this.image.parse();};PSD.prototype.getLayerStructure=function(){var layer,parseStack,result,temp,_i,_len,_ref;if(!this.layerMask){this.parseLayersMasks();}
result={layers:[]};parseStack=[];_ref=this.layers;for(_i=0,_len=_ref.length;_i<_len;_i++){layer=_ref[_i];if(layer.isFolder){parseStack.push(result);result={name:layer.name,layers:[]};}else if(layer.isHidden){temp=result;result=parseStack.pop();result.layers.push(temp);}else{result.layers.push(layer);}}
return result;};PSD.prototype.toFile=function(filename,cb){if(cb==null){cb=function(){};}
if(!this.image){this.parseImageData();}
return this.image.toFile(filename,cb);};PSD.prototype.toFileSync=function(filename){if(!this.image){this.parseImageData();}
return this.image.toFileSync(filename);};PSD.prototype.toCanvas=function(canvas,width,height){if(width==null){width=null;}
if(height==null){height=null;}
if(!this.image){this.parseImageData();}
return this.image.toCanvas(canvas,width,height);};PSD.prototype.toImage=function(){if(!this.image){this.parseImageData();}
return this.image.toImage();};return PSD;})();PSD.PSDColor=PSDColor=(function(){PSDColor.name='PSDColor';function PSDColor(){}
PSDColor.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};};PSDColor.rgbToHex=function(c){var m;if(arguments.length===1){m=/rgba?\((\d+), (\d+), (\d+)/.exec(c);}else{m=Array.prototype.slice.call(arguments);m.unshift(0);}
if(m){return'#'+(m[1]<<16|m[2]<<8|m[3]).toString(16);}else{return c;}};PSDColor.rgbToHSL=function(r,g,b){var d,h,l,max,min,s;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:Util.round(h,3),s:Util.round(s,3),l:Util.round(l,3)};};PSDColor.hslToRGB=function(h,s,l){var b,g,p,q,r;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);}
r*=255;g*=255;b*=255;return{r:Math.round(r),g:Math.round(g),b:Math.round(b)};};PSDColor.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;};PSDColor.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};};PSDColor.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 Util.clamp({r:r*255,g:g*255,b:b*255},0,255);};PSDColor.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};};PSDColor.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 Util.clamp({r:r*255,g:g*255,b:b*255},0,255);};PSDColor.xyzToLab=function(x,y,z){var a,b,l,whiteX,whiteY,whiteZ;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};};PSDColor.labToXYZ=function(l,a,b){var x,y,z;y=(l+16)/116;x=y+(a/500);z=y-(b/200);if(Math.pow(x,3)>0.008856){x=Math.pow(x,3);}else{x=(x-16/116)/7.787;}
if(Math.pow(y,3)>0.008856){y=Math.pow(y,3);}else{y=(y-16/116)/7.787;}
if(Math.pow(z,3)>0.008856){z=Math.pow(z,3);}else{z=(z-16/116)/7.787;}
return{x:x*95.047,y:y*100.0,z:z*108.883};};PSDColor.labToRGB=function(l,a,b){var xyz;xyz=this.labToXYZ(l,a,b);return Util.clamp(this.xyzToRGB(xyz.x,xyz.y,xyz.z),0,255);};PSDColor.cmykToRGB=function(c,m,y,k){var b,g,r;r=(65535-(c*(255-k)+(k<<8)))>>8;g=(65535-(m*(255-k)+(k<<8)))>>8;b=(65535-(y*(255-k)+(k<<8)))>>8;return Util.clamp({r:r,g:g,b:b},0,255);};return PSDColor;})();PSDFile=(function(){PSDFile.name='PSDFile';function PSDFile(data){this.data=data;this.pos=0;}
PSDFile.prototype.tell=function(){return this.pos;};PSDFile.prototype.read=function(bytes){var i,_i,_results;_results=[];for(i=_i=0;0<=bytes?_i<bytes:_i>bytes;i=0<=bytes?++_i:--_i){_results.push(this.data[this.pos++]);}
return _results;};PSDFile.prototype.seek=function(amount,rel){if(rel==null){rel=true;}
if(rel){return this.pos+=amount;}else{return this.pos=amount;}};PSDFile.prototype.readInt=function(){return this.readf(">i")[0];};PSDFile.prototype.readUInt=function(){return this.readf(">I")[0];};PSDFile.prototype.readShortInt=function(){return this.readf(">h")[0];};PSDFile.prototype.readShortUInt=function(){return this.readf(">H")[0];};PSDFile.prototype.readLongInt=function(){return this.readf(">l")[0];};PSDFile.prototype.readLongUInt=function(){return this.readf(">L")[0];};PSDFile.prototype.readDouble=function(){return this.readf(">d")[0];};PSDFile.prototype.readBoolean=function(){return this.read(1)[0]!==0;};PSDFile.prototype.readUnicodeString=function(strlen){var charCode,i,str,_i;if(strlen==null){strlen=null;}
str="";if(!strlen){strlen=this.readInt();}
for(i=_i=0;0<=strlen?_i<strlen:_i>strlen;i=0<=strlen?++_i:--_i){charCode=this.readShortUInt();if(charCode>0){str+=chr(Util.i16(charCode));}}
return str;};PSDFile.prototype.readDescriptorStructure=function(){var classID,descriptors,i,items,key,name,_i;name=this.readUnicodeString();classID=this.readLengthWithString();items=this.readUInt();descriptors={};for(i=_i=0;0<=items?_i<items:_i>items;i=0<=items?++_i:--_i){key=this.readLengthWithString().trim();descriptors[key]=this.readOsType();}
return descriptors;};PSDFile.prototype.readString=function(length){return this.readf(">"+length+"s")[0].replace(/\u0000/g,"");};PSDFile.prototype.readLengthWithString=function(defaultLen){var length,str;if(defaultLen==null){defaultLen=4;}
length=this.read(1)[0];if(length===0){str=this.readString(defaultLen);}else{str=this.readString(length);}
return str;};PSDFile.prototype.readOsType=function(){var i,length,listSize,num,osType,type,value,_i,_j;osType=this.readString(4);value=null;switch(osType){case"TEXT":value=this.readUnicodeString();break;case"enum":case"Objc":case"GlbO":value={typeID:this.readLengthWithString(),"enum":this.readLengthWithString()};break;case"VlLs":listSize=this.readUInt();value=[];for(i=_i=0;0<=listSize?_i<listSize:_i>listSize;i=0<=listSize?++_i:--_i){value.push(this.readOsType());}
break;case"doub":value=this.readDouble();break;case"UntF":value={type:this.readString(4),value:this.readDouble()};break;case"long":value=this.readUInt();break;case"bool":value=this.readBoolean();break;case"alis":length=this.readUInt();value=this.readString(length);break;case"obj":num=this.readUInt();for(i=_j=0;0<=num?_j<num:_j>num;i=0<=num?++_j:--_j){type=this.readString(4);switch(type){case"prop":value={name:this.readUnicodeString(),classID:this.readLengthWithString(),keyID:this.readLengthWithString()};break;case"Clss":value={name:this.readUnicodeString(),classID:this.readLengthWithString()};break;case"Enmr":value={name:this.readUnicodeString(),classID:this.readLengthWithString(),typeID:this.readLengthWithString(),"enum":this.readLengthWithString()};break;case"rele":value={name:this.readUnicodeString(),classID:this.readLengthWithString(),offsetValue:this.readUInt()};break;case"Idnt":case"indx":case"name":value=null;}}
break;case"tdta":length=this.readUInt();this.seek(length);}
return{type:osType,value:value};};PSDFile.prototype.readBytesList=function(size){return this.read(size);};PSDFile.prototype.readf=function(format){return jspack.Unpack(format,this.read(jspack.CalcLength(format)));};PSDFile.prototype.skipBlock=function(desc){var n;if(desc==null){desc="unknown";}
n=this.readf('>L')[0];if(n){this.seek(n);}
return Log.debug("Skipped "+desc+" with "+n+" bytes");};return PSDFile;})();PSDHeader=(function(){var HEADER_SECTIONS,MODES;PSDHeader.name='PSDHeader';HEADER_SECTIONS=["sig","version","r0","r1","r2","r3","r4","r5","channels","rows","cols","depth","mode"];MODES={0:'Bitmap',1:'GrayScale',2:'IndexedColor',3:'RGBColor',4:'CMYKColor',5:'HSLColor',6:'HSBColor',7:'Multichannel',8:'Duotone',9:'LabColor',10:'Gray16',11:'RGB48',12:'Lab48',13:'CMYK64',14:'DeepMultichannel',15:'Duotone16'};function PSDHeader(file){this.file=file;}
PSDHeader.prototype.parse=function(){var data,section,_i,_len,_ref;data=this.file.readf(">4sH 6B HLLHH");for(_i=0,_len=HEADER_SECTIONS.length;_i<_len;_i++){section=HEADER_SECTIONS[_i];this[section]=data.shift();}
this.size=[this.rows,this.cols];if(this.sig!=="8BPS"){throw"Not a PSD signature: "+this.header['sig'];}
if(this.version!==1){throw"Can not handle PSD version "+this.header['version'];}
if((0<=(_ref=this.mode)&&_ref<16)){this.modename=MODES[this.mode];}else{this.modename="("+this.mode+")";}
this.colormodepos=this.file.pos;return this.file.skipBlock("color mode data");};return PSDHeader;})();PSDImage=(function(){var COMPRESSIONS;PSDImage.name='PSDImage';COMPRESSIONS={0:'Raw',1:'RLE',2:'ZIP',3:'ZIPPrediction'};PSDImage.prototype.channelsInfo=[{id:0},{id:1},{id:2},{id:-1}];function PSDImage(file,header){this.file=file;this.header=header;this.numPixels=this.getImageWidth()*this.getImageHeight();if(this.getImageDepth()===16){this.numPixels*=2;}
this.length=(function(){switch(this.getImageDepth()){case 1:return(this.getImageWidth()+7)/8*this.getImageHeight();case 16:return this.getImageWidth()*this.getImageHeight()*2;default:return this.getImageWidth()*this.getImageHeight();}}).call(this);this.channelLength=this.length;this.length*=this.getImageChannels();this.channelData=new Uint8Array(this.length);this.startPos=this.file.tell();this.endPos=this.startPos+this.length;this.pixelData=[];}
PSDImage.prototype.parse=function(){var _ref;this.compression=this.parseCompression();Log.debug("Image size: "+this.length+" ("+(this.getImageWidth())+"x"+(this.getImageHeight())+")");if((_ref=this.compression)===2||_ref===3){Log.debug("ZIP compression not implemented yet, skipping.");return this.file.seek(this.endPos,false);}
return this.parseImageData();};PSDImage.prototype.skip=function(){Log.debug("Skipping image data");return this.file.seek(this.length);};PSDImage.prototype.parseCompression=function(){return this.file.readShortInt();};PSDImage.prototype.parseImageData=function(){Log.debug("Image compression: id="+this.compression+", name="+COMPRESSIONS[this.compression]);switch(this.compression){case 0:this.parseRaw();break;case 1:this.parseRLE();break;case 2:case 3:this.parseZip();break;default:Log.debug("Unknown image compression. Attempting to skip.");return this.file.seek(this.endPos,false);}
return this.processImageData();};PSDImage.prototype.parseRaw=function(length){var i,_i;if(length==null){length=this.length;}
Log.debug("Attempting to parse RAW encoded image...");this.channelData=[];for(i=_i=0;0<=length?_i<length:_i>length;i=0<=length?++_i:--_i){this.channelData.push(this.file.read(1)[0]);}
return true;};PSDImage.prototype.parseRLE=function(){Log.debug("Attempting to parse RLE encoded image...");this.byteCounts=this.getByteCounts();Log.debug("Read byte counts. Current pos = "+(this.file.tell())+", Pixels = "+this.length);return this.parseChannelData();};PSDImage.prototype.getImageHeight=function(){return this.header.rows;};PSDImage.prototype.getImageWidth=function(){return this.header.cols;};PSDImage.prototype.getImageChannels=function(){return this.header.channels;};PSDImage.prototype.getImageDepth=function(){return this.header.depth;};PSDImage.prototype.getByteCounts=function(){var byteCounts,i,j,_i,_j,_ref,_ref1;byteCounts=[];for(i=_i=0,_ref=this.getImageChannels();0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){for(j=_j=0,_ref1=this.getImageHeight();0<=_ref1?_j<_ref1:_j>_ref1;j=0<=_ref1?++_j:--_j){byteCounts.push(this.file.readShortInt());}}
return byteCounts;};PSDImage.prototype.parseChannelData=function(){var chanPos,i,lineIndex,_i,_ref,_ref1;chanPos=0;lineIndex=0;for(i=_i=0,_ref=this.getImageChannels();0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){Log.debug("Parsing channel #"+i+", Start = "+(this.file.tell()));_ref1=this.decodeRLEChannel(chanPos,lineIndex),chanPos=_ref1[0],lineIndex=_ref1[1];}
return true;};PSDImage.prototype.decodeRLEChannel=function(chanPos,lineIndex){var byteCount,data,dataIndex,j,k,len,start,val,z,_i,_j,_k,_l,_ref,_ref1,_ref2;for(j=_i=0,_ref=this.getImageHeight();0<=_ref?_i<_ref:_i>_ref;j=0<=_ref?++_i:--_i){byteCount=this.byteCounts[lineIndex++];start=this.file.tell();while(this.file.tell()<start+byteCount){len=this.file.read(1)[0];if(len<128){len++;data=this.file.read(len);dataIndex=0;for(k=_j=chanPos,_ref1=chanPos+len;chanPos<=_ref1?_j<_ref1:_j>_ref1;k=chanPos<=_ref1?++_j:--_j){this.channelData[k]=data[dataIndex++];}
chanPos+=len;}else if(len>128){len^=0xff;len+=2;val=this.file.read(1)[0];data=[];for(z=_k=0;0<=len?_k<len:_k>len;z=0<=len?++_k:--_k){data.push(val);}
dataIndex=0;for(k=_l=chanPos,_ref2=chanPos+len;chanPos<=_ref2?_l<_ref2:_l>_ref2;k=chanPos<=_ref2?++_l:--_l){this.channelData[k]=data[dataIndex++];}
chanPos+=len;}}}
return[chanPos,lineIndex];};PSDImage.prototype.parseZip=function(prediction){if(prediction==null){prediction=false;}
return this.file.seek(this.endPos,false);};PSDImage.prototype.processImageData=function(){Log.debug("Processing parsed image data. "+this.channelData.length+" pixels read.");switch(this.header.mode){case 1:if(this.getImageDepth()===8){this.combineGreyscale8Channel();}
if(this.getImageDepth()===16){this.combineGreyscale16Channel();}
break;case 3:if(this.getImageDepth()===8){this.combineRGB8Channel();}
if(this.getImageDepth()===16){this.combineRGB16Channel();}
break;case 4:if(this.getImageDepth()===8){this.combineCMYK8Channel();}
if(this.getImageDepth()===16){this.combineCMYK16Channel();}
break;case 7:this.combineMultiChannel8();break;case 9:if(this.getImageDepth()===8){this.combineLAB8Channel();}}
return delete this.channelData;};PSDImage.prototype.getAlphaValue=function(alpha){if(alpha==null){alpha=255;}
if(this.layer!=null){alpha=alpha*(this.layer.blendMode.opacity/255);}
return alpha;};PSDImage.prototype.combineGreyscale8Channel=function(){var alpha,grey,i,_i,_j,_ref,_ref1,_results,_results1;if(this.getImageChannels()===2){_results=[];for(i=_i=0,_ref=this.numPixels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){alpha=this.channelData[i];grey=this.channelData[this.channelLength+i];_results.push(this.pixelData.push(grey,grey,grey,this.getAlphaValue(alpha)));}
return _results;}else{_results1=[];for(i=_j=0,_ref1=this.numPixels;0<=_ref1?_j<_ref1:_j>_ref1;i=0<=_ref1?++_j:--_j){_results1.push(this.pixelData.push(this.channelData[i],this.channelData[i],this.channelData[i],this.getAlphaValue()));}
return _results1;}};PSDImage.prototype.combineGreyscale16Channel=function(){var alpha,grey,i,pixel,_i,_j,_ref,_ref1,_results,_results1;if(this.getImageChannels()===2){_results=[];for(i=_i=0,_ref=this.numPixels;_i<_ref;i=_i+=2){alpha=Util.toUInt16(this.channelData[i+1],this.channelData[i]);grey=Util.toUInt16(this.channelData[this.channelLength+i+1],this.channelData[this.channelLength+i]);_results.push(this.pixelData.push(grey,grey,grey,this.getAlphaValue(alpha)));}
return _results;}else{_results1=[];for(i=_j=0,_ref1=this.numPixels;_j<_ref1;i=_j+=2){pixel=Util.toUInt16(this.channelData[i+1],this.channelData[i]);_results1.push(this.pixelData.push(pixel,pixel,pixel,this.getAlphaValue()));}
return _results1;}};PSDImage.prototype.combineRGB8Channel=function(){var chan,i,index,pixel,_i,_j,_len,_ref,_ref1,_results;_results=[];for(i=_i=0,_ref=this.numPixels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){index=0;pixel={r:0,g:0,b:0,a:255};_ref1=this.channelsInfo;for(_j=0,_len=_ref1.length;_j<_len;_j++){chan=_ref1[_j];switch(chan.id){case-1:if(this.getImageChannels()===4){pixel.a=this.channelData[i+(this.channelLength*index)];}else{continue;}
break;case 0:pixel.r=this.channelData[i+(this.channelLength*index)];break;case 1:pixel.g=this.channelData[i+(this.channelLength*index)];break;case 2:pixel.b=this.channelData[i+(this.channelLength*index)];}
index++;}
_results.push(this.pixelData.push(pixel.r,pixel.g,pixel.b,this.getAlphaValue(pixel.a)));}
return _results;};PSDImage.prototype.combineRGB16Channel=function(){var b1,b2,chan,i,index,pixel,_i,_j,_len,_ref,_ref1,_results;_results=[];for(i=_i=0,_ref=this.numPixels;_i<_ref;i=_i+=2){index=0;pixel={r:0,g:0,b:0,a:255};_ref1=this.channelsInfo;for(_j=0,_len=_ref1.length;_j<_len;_j++){chan=_ref1[_j];b1=this.channelData[i+(this.channelLength*index)+1];b2=this.channelData[i+(this.channelLength*index)];switch(chan.id){case-1:if(this.getImageChannels()===4){pixel.a=Util.toUInt16(b1,b2);}else{continue;}
break;case 0:pixel.r=Util.toUInt16(b1,b2);break;case 1:pixel.g=Util.toUInt16(b1,b2);break;case 2:pixel.b=Util.toUInt16(b1,b2);}
index++;}
_results.push(this.pixelData.push(pixel.r,pixel.g,pixel.b,this.getAlphaValue(pixel.a)));}
return _results;};PSDImage.prototype.combineCMYK8Channel=function(){var a,c,i,k,m,rgb,y,_i,_ref,_results;_results=[];for(i=_i=0,_ref=this.numPixels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){if(this.getImageChannels()===5){a=this.channelData[i];c=this.channelData[i+this.channelLength];m=this.channelData[i+this.channelLength*2];y=this.channelData[i+this.channelLength*3];k=this.channelData[i+this.channelLength*4];}else{a=255;c=this.channelData[i];m=this.channelData[i+this.channelLength];y=this.channelData[i+this.channelLength*2];k=this.channelData[i+this.channelLength*3];}
rgb=PSDColor.cmykToRGB(255-c,255-m,255-y,255-k);_results.push(this.pixelData.push(rgb.r,rgb.g,rgb.b,this.getAlphaValue(a)));}
return _results;};PSDImage.prototype.combineCMYK16Channel=function(){var a,c,i,k,m,rgb,y,_i,_ref,_results;_results=[];for(i=_i=0,_ref=this.numPixels;_i<_ref;i=_i+=2){if(this.getImageChannels()===5){a=this.channelData[i];c=this.channelData[i+this.channelLength];m=this.channelData[i+this.channelLength*2];y=this.channelData[i+this.channelLength*3];k=this.channelData[i+this.channelLength*3];}else{a=255;c=this.channelData[i];m=this.channelData[i+this.channelLength];y=this.channelData[i+this.channelLength*2];k=this.channelData[i+this.channelLength*3];}
rgb=PSDColor.cmykToRGB(255-c,255-m,255-y,255-k);_results.push(this.pixelData.push(rgb.r,rgb.g,rgb.b,this.getAlphaValue(a)));}
return _results;};PSDImage.prototype.combineLAB8Channel=function(){var a,alpha,b,i,l,rgb,_i,_ref,_results;_results=[];for(i=_i=0,_ref=this.numPixels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){if(this.getImageChannels()===4){alpha=this.channelData[i];l=this.channelData[i+this.channelLength];a=this.channelData[i+this.channelLength*2];b=this.channelData[i+this.channelLength*3];}else{alpha=255;l=this.channelData[i];a=this.channelData[i+this.channelLength];b=this.channelData[i+this.channelLength*2];}
rgb=PSDColor.labToRGB(l*100>>8,a-128,b-128);_results.push(this.pixelData.push(rgb.r,rgb.g,rgb.b,this.getAlphaValue(alpha)));}
return _results;};PSDImage.prototype.combineLAB16Channel=function(){var a,alpha,b,i,l,rgb,_i,_ref,_results;_results=[];for(i=_i=0,_ref=this.numPixels;_i<_ref;i=_i+=2){if(this.getImageChannels()===4){alpha=this.channelData[i];l=this.channelData[i+this.channelLength];a=this.channelData[i+this.channelLength*2];b=this.channelData[i+this.channelLength*3];}else{alpha=255;l=this.channelData[i];a=this.channelData[i+this.channelLength];b=this.channelData[i+this.channelLength*2];}
rgb=PSDColor.labToRGB(l*100>>8,a-128,b-128);_results.push(this.pixelData.push(rgb.r,rgb.g,rgb.b,this.getAlphaValue(alpha)));}
return _results;};PSDImage.prototype.combineMultiChannel8=function(){var c,i,k,m,rgb,y,_i,_ref,_results;_results=[];for(i=_i=0,_ref=this.numPixels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){c=this.channelData[i];m=this.channelData[i+this.channelLength];y=this.channelData[i+this.channelLength*2];if(this.getImageChannels()===4){k=this.channelData[i+this.channelLength*3];}else{k=255;}
rgb=PSDColor.cmykToRGB(255-c,255-m,255-y,255-k);_results.push(this.pixelData.push(rgb.r,rgb.g,rgb.b,this.getAlphaValue(255)));}
return _results;};PSDImage.prototype.toCanvasPixels=function(){return this.pixelData;};PSDImage.prototype.toFile=function(filename,cb){var png;if(this.toCanvasPixels().length===0){return cb();}
png=this.getPng();if(png===null){return cb();}
return png.encode(function(image){return fs.writeFile(filename,image,cb);});};PSDImage.prototype.toFileSync=function(filename){var image,png;if(this.toCanvasPixels().length===0){return;}
png=this.getPng();if(png===null){return;}
image=png.encodeSync();return fs.writeFileSync(filename,image);};PSDImage.prototype.getPng=function(){var Png,buffer,i,pixelData,_i,_ref;try{Png=require('png').Png;}catch(e){throw"Exporting PSDs to file requires the node-png library";}
buffer=new Buffer(this.toCanvasPixels().length);pixelData=this.toCanvasPixels();for(i=_i=0,_ref=pixelData.length;_i<_ref;i=_i+=4){buffer[i]=pixelData[i];buffer[i+1]=pixelData[i+1];buffer[i+2]=pixelData[i+2];buffer[i+3]=255-pixelData[i+3];}
try{return new Png(buffer,this.getImageWidth(),this.getImageHeight(),'rgba');}catch(e){Log.debug(e);return null;}};PSDImage.prototype.toCanvas=function(canvas,width,height){var context,i,imageData,pixelData,pxl,_i,_len,_ref;if(width==null){width=null;}
if(height==null){height=null;}
if(width===null&&height===null){canvas.width=this.getImageWidth();canvas.height=this.getImageHeight();}
context=canvas.getContext('2d');imageData=context.getImageData(0,0,canvas.width,canvas.height);pixelData=imageData.data;_ref=this.toCanvasPixels();for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){pxl=_ref[i];pixelData[i]=pxl;}
return context.putImageData(imageData,0,0);};PSDImage.prototype.toImage=function(){var canvas;canvas=document.createElement('canvas');this.toCanvas(canvas);return canvas.toDataURL("image/png");};return PSDImage;})();PSDChannelImage=(function(_super){__extends(PSDChannelImage,_super);PSDChannelImage.name='PSDChannelImage';function PSDChannelImage(file,header,layer){this.layer=layer;this.width=this.layer.cols;this.height=this.layer.rows;this.channelsInfo=this.layer.channelsInfo;PSDChannelImage.__super__.constructor.call(this,file,header);}
PSDChannelImage.prototype.getImageWidth=function(){return this.width;};PSDChannelImage.prototype.getImageHeight=function(){return this.height;};PSDChannelImage.prototype.getImageChannels=function(){return this.layer.channels;};PSDChannelImage.prototype.getByteCounts=function(){var byteCounts,i,_i,_ref;byteCounts=[];for(i=_i=0,_ref=this.getImageHeight();0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){byteCounts.push(this.file.readShortInt());}
return byteCounts;};PSDChannelImage.prototype.parse=function(){var end,i,memusage,start,total,used,_i,_ref;Log.debug("\nLayer: "+this.layer.name+", image size: "+this.length+" ("+(this.getImageWidth())+"x"+(this.getImageHeight())+")");this.chanPos=0;for(i=_i=0,_ref=this.getImageChannels();0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){this.chInfo=this.layer.channelsInfo[i];if(this.chInfo.length<=0){this.parseCompression();continue;}
if(this.chInfo.id===-2){this.width=this.layer.mask.width;this.height=this.layer.mask.height;}else{this.width=this.layer.cols;this.height=this.layer.rows;}
start=this.file.tell();Log.debug("Channel #"+this.chInfo.id+": length="+this.chInfo.length);this.parseImageData();end=this.file.tell();if(end!==start+this.chInfo.length){Log.debug("ERROR: read incorrect number of bytes for channel #"+this.chInfo.id+".         Expected = "+(start+this.chInfo.length)+", Actual: "+end);this.file.seek(start+this.chInfo.length,false);}}
if(this.channelData.length!==this.length){Log.debug("ERROR: "+this.channelData.length+" read; expected "+this.length);}
this.processImageData();if(typeof exports!=="undefined"&&exports!==null){memusage=process.memoryUsage();used=Math.round(memusage.heapUsed/1024/1024);total=Math.round(memusage.heapTotal/1024/1024);return Log.debug("\nMemory usage: "+used+"MB / "+total+"MB\n");}};PSDChannelImage.prototype.parseRaw=function(){var data,dataIndex,i,_i,_ref,_ref1;Log.debug("Attempting to parse RAW encoded channel...");data=this.file.read(this.chInfo.length-2);dataIndex=0;for(i=_i=_ref=this.chanPos,_ref1=this.chanPos+this.chInfo.length-2;_ref<=_ref1?_i<_ref1:_i>_ref1;i=_ref<=_ref1?++_i:--_i){this.channelData[i]=data[dataIndex++];}
return this.chanPos+=this.chInfo.length-2;};PSDChannelImage.prototype.parseImageData=function(){this.compression=this.parseCompression();switch(this.compression){case 0:return this.parseRaw();case 1:return this.parseRLE();case 2:case 3:return this.parseZip();default:Log.debug("Unknown image compression. Attempting to skip.");return this.file.seek(this.endPos,false);}};PSDChannelImage.prototype.parseChannelData=function(){var lineIndex,_ref;lineIndex=0;Log.debug("Parsing layer channel #"+this.chInfo.id+", Start = "+(this.file.tell()));return _ref=this.decodeRLEChannel(this.chanPos,lineIndex),this.chanPos=_ref[0],lineIndex=_ref[1],_ref;};return PSDChannelImage;})(PSDImage);PSDLayer=(function(){var BLEND_FLAGS,BLEND_MODES,CHANNEL_SUFFIXES,MASK_FLAGS,SAFE_FONTS,SECTION_DIVIDER_TYPES;PSDLayer.name='PSDLayer';CHANNEL_SUFFIXES={'-2':'layer mask','-1':'A',0:'R',1:'G',2:'B',3:'RGB',4:'CMYK',5:'HSL',6:'HSB',9:'Lab',11:'RGB',12:'Lab',13:'CMYK'};SECTION_DIVIDER_TYPES={0:"other",1:"open folder",2:"closed folder",3:"bounding section divider"};BLEND_MODES={"norm":"normal","dark":"darken","lite":"lighten","hue":"hue","sat":"saturation","colr":"color","lum":"luminosity","mul":"multiply","scrn":"screen","diss":"dissolve","over":"overlay","hLit":"hard light","sLit":"soft light","diff":"difference","smud":"exclusion","div":"color dodge","idiv":"color burn","lbrn":"linear burn","lddg":"linear dodge","vLit":"vivid light","lLit":"linear light","pLit":"pin light","hMix":"hard mix"};BLEND_FLAGS={0:"transparency protected",1:"visible",2:"obsolete",3:"bit 4 useful",4:"pixel data irrelevant"};MASK_FLAGS={0:"position relative",1:"layer mask disabled",2:"invert layer mask"};SAFE_FONTS=["Arial","Courier New","Georgia","Times New Roman","Verdana","Trebuchet MS","Lucida Sans","Tahoma"];function PSDLayer(file,header){this.file=file;this.header=header!=null?header:null;this.image=null;this.mask={};this.blendingRanges={};this.adjustments={};this.effects=[];this.layerType="normal";this.blendingMode="normal";this.opacity=255;this.fillOpacity=255;this.isFolder=false;this.isHidden=false;}
PSDLayer.prototype.parse=function(layerIndex){var extralen,extrastart,result;if(layerIndex==null){layerIndex=null;}
this.parseInfo(layerIndex);this.parseBlendModes();extralen=this.file.readInt();this.layerEnd=this.file.tell()+extralen;assert(extralen>0);extrastart=this.file.tell();result=this.parseMaskData();if(!result){Log.debug("Error parsing mask data for layer #"+layerIndex+". Skipping.");return this.file.seek(this.layerEnd,false);}
this.parseBlendingRanges();this.parseLayerName();this.parseExtraData();Log.debug("Layer "+layerIndex+":",this);return this.file.seek(extrastart+extralen,false);};PSDLayer.prototype.parseInfo=function(layerIndex){var channelID,channelLength,i,_i,_ref,_ref1,_ref2,_ref3,_results;this.idx=layerIndex;_ref=this.file.readf(">iiiih"),this.top=_ref[0],this.left=_ref[1],this.bottom=_ref[2],this.right=_ref[3],this.channels=_ref[4];_ref1=[this.bottom-this.top,this.right-this.left],this.rows=_ref1[0],this.cols=_ref1[1];assert(this.channels>0);this.height=this.rows;this.width=this.cols;if(this.bottom<this.top||this.right<this.left||this.channels>64){Log.debug("Somethings not right, attempting to skip layer.");this.file.seek(6*this.channels+12);this.file.skipBlock("layer info: extra data");return;}
this.channelsInfo=[];_results=[];for(i=_i=0,_ref2=this.channels;0<=_ref2?_i<_ref2:_i>_ref2;i=0<=_ref2?++_i:--_i){_ref3=this.file.readf(">hi"),channelID=_ref3[0],channelLength=_ref3[1];Log.debug("Channel "+i+": id="+channelID+", "+channelLength+" bytes, type="+CHANNEL_SUFFIXES[channelID]);_results.push(this.channelsInfo.push({id:channelID,length:channelLength}));}
return _results;};PSDLayer.prototype.parseBlendModes=function(){var filler,flags,_ref;this.blendMode={};_ref=this.file.readf(">4s4sBBBB"),this.blendMode.sig=_ref[0],this.blendMode.key=_ref[1],this.blendMode.opacity=_ref[2],this.blendMode.clipping=_ref[3],flags=_ref[4],filler=_ref[5];assert(this.blendMode.sig==="8BIM");this.blendMode.key=this.blendMode.key.trim();this.blendMode.opacityPercentage=(this.blendMode.opacity*100)/255;this.blendMode.blender=BLEND_MODES[this.blendMode.key];this.blendMode.transparencyProtected=flags&0x01;this.blendMode.visible=(flags&(0x01<<1))>0;this.blendMode.visible=1-this.blendMode.visible;this.blendMode.obsolete=(flags&(0x01<<2))>0;if((flags&(0x01<<3))>0){this.blendMode.pixelDataIrrelevant=(flags&(0x01<<4))>0;}
this.blendingMode=this.blendMode.blender;this.opacity=this.blendMode.opacity;return Log.debug("Blending mode:",this.blendMode);};PSDLayer.prototype.parseMaskData=function(){var flags,_ref,_ref1,_ref2,_ref3;this.mask.size=this.file.readInt();assert((_ref=this.mask.size)===36||_ref===20||_ref===0);if(this.mask.size===0){return true;}
_ref1=this.file.readf(">llllBB"),this.mask.top=_ref1[0],this.mask.left=_ref1[1],this.mask.bottom=_ref1[2],this.mask.right=_ref1[3],this.mask.defaultColor=_ref1[4],flags=_ref1[5];assert((_ref2=this.mask.defaultColor)===0||_ref2===255);this.mask.width=this.mask.right-this.mask.left;this.mask.height=this.mask.bottom-this.mask.top;this.mask.relative=flags&0x01;this.mask.disabled=(flags&(0x01<<1))>0;this.mask.invert=(flags&(0x01<<2))>0;if(this.mask.size===20){this.file.seek(2);}else{_ref3=this.file.readf(">BB"),flags=_ref3[0],this.mask.defaultColor=_ref3[1];this.mask.relative=flags&0x01;this.mask.disabled=(flags&(0x01<<1))>0;this.mask.invert=(flags&(0x01<<2))>0;this.file.seek(16);}
return true;};PSDLayer.prototype.parseBlendingRanges=function(){var i,length,pos,_i,_ref,_results;length=this.file.readInt();this.blendingRanges.grey={source:{black:this.file.readShortInt(),white:this.file.readShortInt()},dest:{black:this.file.readShortInt(),white:this.file.readShortInt()}};pos=this.file.tell();this.blendingRanges.numChannels=(length-8)/8;assert(this.blendingRanges.numChannels>0);this.blendingRanges.channels=[];_results=[];for(i=_i=0,_ref=this.blendingRanges.numChannels;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){_results.push(this.blendingRanges.channels.push({source:{black:this.file.readShortInt(),white:this.file.readShortInt()},dest:{black:this.file.readShortInt(),white:this.file.readShortInt()}}));}
return _results;};PSDLayer.prototype.parseLayerName=function(){var namelen;namelen=Util.pad4(this.file.read(1)[0]);this.name=this.file.readString(namelen);return Log.debug("Layer name: "+this.name);};PSDLayer.prototype.parseExtraData=function(){var key,length,pos,signature,_ref,_results;_results=[];while(this.file.tell()<this.layerEnd){_ref=this.file.readf(">4s4s"),signature=_ref[0],key=_ref[1];assert.equal(signature,"8BIM");length=Util.pad2(this.file.readInt());pos=this.file.tell();Log.debug("Extra layer info: key = "+key+", length = "+length);switch(key){case"levl":this.adjustments.levels=(new PSDLevels(this,length)).parse();break;case"curv":this.adjustments.curves=(new PSDCurves(this,length)).parse();break;case"brit":this.adjustments.brightnessContrast=(new PSDBrightnessContrast(this,length)).parse();break;case"blnc":this.adjustments.colorBalance=(new PSDColorBalance(this,length)).parse();break;case"hue2":this.adjustments.hueSaturation=(new PSDHueSaturation(this,length)).parse();break;case"selc":this.adjustments.selectiveColor=(new PSDSelectiveColor(this,length)).parse();break;case"thrs":this.adjustments.threshold=(new PSDThreshold(this,length)).parse();break;case"nvrt":this.adjustments.invert=(new PSDInvert(this,length)).parse();break;case"post":this.adjustments.posterize=(new PSDPosterize(this,length)).parse();break;case"lyid":this.layerId=this.file.readInt();break;case"lsct":this.readLayerSectionDivider();break;case"lrFX":this.parseEffectsLayer();this.file.read(2);break;default:this.file.seek(length);Log.debug("Skipping additional layer info with key "+key);}
if(this.file.tell()!==(pos+length)){Log.debug("Error parsing additional layer info with key "+key+" - unexpected end");_results.push(this.file.seek(pos+length,false));}else{_results.push(void 0);}}
return _results;};PSDLayer.prototype.parseEffectsLayer=function(){var count,effect,left,pos,signature,size,type,v,_ref,_ref1,_results;_ref=this.file.readf(">HH"),v=_ref[0],count=_ref[1];_results=[];while(count-->0){_ref1=this.file.readf(">4s4s"),signature=_ref1[0],type=_ref1[1];size=this.file.readf(">i")[0];pos=this.file.tell();Log.debug("Parsing effect layer with type "+type+" and size "+size);effect=(function(){switch(type){case"cmnS":return new PSDLayerEffectCommonStateInfo(this.file);case"dsdw":return new PSDDropDownLayerEffect(this.file);case"isdw":return new PSDDropDownLayerEffect(this.file,true);}}).call(this);if(effect!=null){effect.parse();}
left=(pos+size)-this.file.tell();if(left!==0){Log.debug("Failed to parse effect layer with type "+type);_results.push(this.file.seek(left));}else{if(type!=="cmnS"){_results.push(this.effects.push(effect));}else{_results.push(void 0);}}}
return _results;};PSDLayer.prototype.readLayerSectionDivider=function(){var code;code=this.file.readInt();this.layerType=SECTION_DIVIDER_TYPES[code];Log.debug("Layer type:",this.layerType);switch(code){case 1:case 2:return this.isFolder=true;case 3:return this.isHidden=true;}};return PSDLayer;})();PSDLayerMask=(function(){PSDLayerMask.name='PSDLayerMask';function PSDLayerMask(file,header,options){this.file=file;this.header=header;this.options=options;this.layers=[];this.mergedAlpha=false;this.globalMask={};this.extras=[];}
PSDLayerMask.prototype.skip=function(){return this.file.seek(this.file.readInt());};PSDLayerMask.prototype.parse=function(){var endLoc,i,layer,layerInfoSize,maskSize,pos,_i,_j,_len,_ref,_ref1;maskSize=this.file.readInt();endLoc=this.file.tell()+maskSize;Log.debug("Layer mask size is "+maskSize);if(maskSize<=0){return;}
layerInfoSize=Util.pad2(this.file.readInt());pos=this.file.tell();if(layerInfoSize>0){this.numLayers=this.file.readShortInt();if(this.numLayers<0){Log.debug("Note: first alpha channel contains transparency data");this.numLayers=Math.abs(this.numLayers);this.mergedAlpha=true;}
if(this.numLayers*(18+6*this.header.channels)>layerInfoSize){throw"Unlikely number of "+this.numLayers+" layers for "+this.header['channels']+" with "+layerInfoSize+" layer info size. Giving up.";}
Log.debug("Found "+this.numLayers+" layer(s)");for(i=_i=0,_ref=this.numLayers;0<=_ref?_i<_ref:_i>_ref;i=0<=_ref?++_i:--_i){layer=new PSDLayer(this.file);layer.parse(i);this.layers.push(layer);}
_ref1=this.layers;for(_j=0,_len=_ref1.length;_j<_len;_j++){layer=_ref1[_j];if(layer.isFolder||layer.isHidden){this.file.seek(8);continue;}
layer.image=new PSDChannelImage(this.file,this.header,layer);if(this.options.layerImages){layer.image.parse();}else{layer.image.skip();}}}
this.file.seek(pos+layerInfoSize,false);this.layers.reverse();this.groupLayers();this.parseGlobalMask();this.file.seek(endLoc,false);};PSDLayerMask.prototype.parseGlobalMask=function(){var end,i,length,start,_i;length=this.file.readInt();if(length===0){return;}
start=this.file.tell();end=this.file.tell()+length;Log.debug("Global mask length: "+length);this.globalMask.overlayColorSpace=this.file.readShortInt();this.globalMask.colorComponents=[];for(i=_i=0;_i<4;i=++_i){this.globalMask.colorComponents.push(this.file.readShortInt()>>8);}
this.globalMask.opacity=this.file.readShortInt();this.globalMask.kind=this.file.read(1)[0];Log.debug("Global mask:",this.globalMask);return this.file.seek(end,false);};PSDLayerMask.prototype.parseExtraInfo=function(end){var key,length,sig,_ref,_results;_results=[];while(this.file.tell()<end){_ref=this.file.readf(">4s4sI"),sig=_ref[0],key=_ref[1],length=_ref[2];length=Util.pad2(length);Log.debug("Layer extra:",sig,key,length);_results.push(this.file.seek(length));}
return _results;};PSDLayerMask.prototype.groupLayers=function(){var groupLayer,layer,_i,_len,_ref,_results;groupLayer=null;_ref=this.layers;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){layer=_ref[_i];if(layer.isFolder){_results.push(groupLayer=layer);}else if(layer.isHidden){_results.push(groupLayer=null);}else{_results.push(layer.groupLayer=groupLayer);}}
return _results;};return PSDLayerMask;})();PSDBrightnessContrast=(function(){PSDBrightnessContrast.name='PSDBrightnessContrast';function PSDBrightnessContrast(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={};}
PSDBrightnessContrast.prototype.parse=function(){this.data.brightness=this.file.getShortInt();this.data.contrast=this.file.getShortInt();this.data.meanValue=this.file.getShortInt();this.data.labColor=this.file.getShortInt();return this.data;};return PSDBrightnessContrast;})();PSDColorBalance=(function(){PSDColorBalance.name='PSDColorBalance';function PSDColorBalance(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={cyanRed:[],magentaGreen:[],yellowBlue:[]};}
PSDColorBalance.prototype.parse=function(){var i,_i;for(i=_i=0;_i<3;i=++_i){this.data.cyanRed.push(this.file.getShortInt());this.data.magentaGreen.push(this.file.getShortInt());this.data.yellowBlue.push(this.file.getShortInt());}
return this.data;};return PSDColorBalance;})();PSDCurves=(function(){PSDCurves.name='PSDCurves';function PSDCurves(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={curve:[]};}
PSDCurves.prototype.parse=function(){var count,curveCount,i,inputValue,j,outputValue,pointCount,start,tag,version,_i,_j,_k,_l,_m,_n,_ref,_ref1,_ref2;start=this.file.tell();this.file.seek(1);version=this.file.readShortInt();assert(version===1||version===4);tag=this.file.readInt();this.data.curveCount=0;for(i=_i=0;_i<32;i=++_i){if(tag&(1<<i)){this.data.curveCount++;}}
for(i=_j=0,_ref=this.data.curveCount;0<=_ref?_j<_ref:_j>_ref;i=0<=_ref?++_j:--_j){count=0;for(j=_k=0;_k<32;j=++_k){if(tag&(1<<j)){if(count===i){this.data.curve[i]={channelIndex:j};break;}
count++;}}
this.data.curve[i].pointCount=this.file.getShortInt();assert(this.data.curve[i].pointCount>=2);assert(this.data.curve[i].pointCount<=19);for(j=_l=0,_ref1=this.data.curve[i].pointCount;0<=_ref1?_l<_ref1:_l>_ref1;j=0<=_ref1?++_l:--_l){this.data.curve[i].outputValue[j]=this.file.readShortInt();this.data.curve[i].inputValue[j]=this.file.readShortInt();assert(this.data.curve[i].outputValue[j]>=0);assert(this.data.curve[i].outputValue[j]<=255);assert(this.data.curve[i].inputValue[j]>=0);assert(this.data.curve[i].inputValue[j]<=255);}}
if(this.file.tell()-start<this.length-4){tag=this.file.readString(4);assert.equal(tag,'Crv ');version=this.file.readShortInt();assert(version===4);curveCount=this.file.readInt();assert.equal(curveCount,this.data.curveCount);for(i=_m=0,_ref2=this.data.curveCount;0<=_ref2?_m<_ref2:_m>_ref2;i=0<=_ref2?++_m:--_m){this.data.curve[i].channelIndex=this.file.readShortInt();pointCount=this.file.readShortInt();assert(pointCount===this.data.curve[i].pointCount);for(j=_n=0;0<=pointCount?_n<pointCount:_n>pointCount;j=0<=pointCount?++_n:--_n){outputValue=this.file.getShortInt();inputValue=this.file.getShortInt();assert.equal(outputValue,this.data.curve[i].outputValue[j]);assert.equal(inputValue,this.data.curve[i].inputValue[j]);}}}
return this.data;};return PSDCurves;})();PSDHueSaturation=(function(){PSDHueSaturation.name='PSDHueSaturation';function PSDHueSaturation(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;}
PSDHueSaturation.prototype.parse=function(){var i,j,version,_i,_j,_k;version=this.file.getShortInt();assert(version===2);this.data.colorization=this.file.readBoolean();this.file.seek(1);this.data.hue=this.file.getShortInt();this.data.saturation=this.file.getShortInt();this.data.lightness=this.file.getShortInt();this.data.masterHue=this.file.getShortInt();this.data.masterSaturation=this.file.getShortInt();this.data.masterLightness=this.file.getShortInt();this.data.rangeValues=[];this.data.settingValues=[];for(i=_i=0;_i<6;i=++_i){this.data.rangeValues[i]=[];this.data.settingValues[i]=[];for(j=_j=0;_j<4;j=++_j){this.data.rangeValues[i][j]=this.file.getShortInt();}
for(j=_k=0;_k<3;j=++_k){this.data.settingValues[i][j]=this.file.getShortInt();}}
return this.data;};return PSDHueSaturation;})();PSDInvert=(function(){PSDInvert.name='PSDInvert';function PSDInvert(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;}
PSDInvert.prototype.parse=function(){return true;};return PSDInvert;})();PSDLayerEffect=(function(){PSDLayerEffect.name='PSDLayerEffect';function PSDLayerEffect(file){this.file=file;}
PSDLayerEffect.prototype.parse=function(){var _ref;return _ref=this.file.readf(">i"),this.version=_ref[0],_ref;};PSDLayerEffect.prototype.getSpaceColor=function(){this.file.read(2);return this.file.readf(">HHHH");};return PSDLayerEffect;})();PSDLayerEffectCommonStateInfo=(function(_super){__extends(PSDLayerEffectCommonStateInfo,_super);PSDLayerEffectCommonStateInfo.name='PSDLayerEffectCommonStateInfo';function PSDLayerEffectCommonStateInfo(){return PSDLayerEffectCommonStateInfo.__super__.constructor.apply(this,arguments);}
PSDLayerEffectCommonStateInfo.prototype.parse=function(){PSDLayerEffectCommonStateInfo.__super__.parse.call(this);this.visible=this.file.readBoolean();return this.file.read(2);};return PSDLayerEffectCommonStateInfo;})(PSDLayerEffect);PSDDropDownLayerEffect=(function(_super){__extends(PSDDropDownLayerEffect,_super);PSDDropDownLayerEffect.name='PSDDropDownLayerEffect';function PSDDropDownLayerEffect(file,inner){this.inner=inner!=null?inner:false;PSDDropDownLayerEffect.__super__.constructor.call(this,file);this.blendMode="mul";this.color=this.nativeColor=[0,0,0,0];this.opacity=191;this.angle=120;this.useGlobalLight=true;this.distance=5;this.spread=0;this.size=5;this.antiAliased=false;this.knocksOut=false;}
PSDDropDownLayerEffect.prototype.parse=function(){var _ref,_ref1;PSDDropDownLayerEffect.__super__.parse.call(this);_ref=this.file.readf(">hiii"),this.blur=_ref[0],this.intensity=_ref[1],this.angle=_ref[2],this.distance=_ref[3];this.file.read(2);this.color=this.getSpaceColor();_ref1=this.file.readf(">4s4s"),this.signature=_ref1[0],this.blendMode=_ref1[1];this.enabled=this.file.readBoolean();this.useAngleInAllFX=this.file.readBoolean();this.opacity=this.file.read(1)[0];if(this.version===2){return this.nativeColor=this.getSpaceColor();}};return PSDDropDownLayerEffect;})(PSDLayerEffect);PSDLevels=(function(){PSDLevels.name='PSDLevels';function PSDLevels(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={records:[]};}
PSDLevels.prototype.parse=function(){var start,tag,version;start=this.file.tell();version=this.file.readShortInt();assert(version===1);this.parseLevelRecords();if(this.file.tell()-start<this.length-4){tag=this.file.readf(">4s");assert.equal(tag,"Lvls");version=this.file.readShortInt();assert.equal(version,3);this.data.levelCount=this.file.readShortInt()-29;assert(levelCount>=0);this.parseLevelRecords(levelCount);return this.data;}};PSDLevels.prototype.parseLevelRecords=function(count){var i,record,_i,_ref,_results;if(count==null){count=29;}
_results=[];for(i=_i=0;0<=count?_i<count:_i>count;i=0<=count?++_i:--_i){record={};_ref=this.file.readf(">hhhhh"),record.inputFloor=_ref[0],record.inputCeiling=_ref[1],record.outputFloor=_ref[2],record.outputCeiling=_ref[3],record.gamma=_ref[4];record.gamma/=100;if(i<27){assert(record.inputFloor>=0&&record.inputFloor<=255);assert(record.inputCeiling>=2&&record.inputCeiling<=255);assert(record.outputFloor>=0&&record.outputFloor<=255);assert(record.outputCeiling>=0&&record.outputCeiling<=255);assert(record.gamma>=0.1&&record.gamma<=9.99);}
_results.push(this.data.records.push(record));}
return _results;};return PSDLevels;})();PSDPosterize=(function(){PSDPosterize.name='PSDPosterize';function PSDPosterize(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={};}
PSDPosterize.prototype.parse=function(){this.data.levels=this.file.readShortInt();assert(this.data.levels>=2&&this.data.levels<=255);this.file.seek(2);return this.data;};return PSDPosterize;})();PSDSelectiveColor=(function(){PSDSelectiveColor.name='PSDSelectiveColor';function PSDSelectiveColor(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={cyanCorrection:[],magentaCorrection:[],yellowCorrection:[],blackCorrection:[]};}
PSDSelectiveColor.prototype.parse=function(){var i,version,_i;version=this.file.getShortInt();assert(version===1);this.data.correctionMethod=this.file.getShortInt();for(i=_i=0;_i<10;i=++_i){this.data.cyanCorrection.push(this.file.getShortInt());this.data.magentaCorrection.push(this.file.getShortInt());this.data.yellowCorrection.push(this.file.getShortInt());this.data.blackCorrection.push(this.file.getShortInt());}
return this.data;};return PSDSelectiveColor;})();PSDThreshold=(function(){PSDThreshold.name='PSDThreshold';function PSDThreshold(layer,length){this.layer=layer;this.length=length;this.file=this.layer.file;this.data={};}
PSDThreshold.prototype.parse=function(){this.data.level=this.file.readShortInt();assert(this.data.level>=1&&this.data.level<=255);this.file.seek(2);return this.data;};return PSDThreshold;})();PSDResource=(function(){var RESOURCE_DESCRIPTIONS;PSDResource.name='PSDResource';RESOURCE_DESCRIPTIONS={1000:{name:'PS2.0 mode data',parse:function(){var _ref;return _ref=this.file.readf(">5H"),this.channels=_ref[0],this.rows=_ref[1],this.cols=_ref[2],this.depth=_ref[3],this.mode=_ref[4],_ref;}},1001:{name:'Macintosh print record'},1003:{name:'PS2.0 indexed color table'},1005:{name:'ResolutionInfo'},1006:{name:'Names of the alpha channels'},1007:{name:'DisplayInfo'},1008:{name:'Caption',parse:function(){return this.caption=this.file.readLengthWithString();}},1009:{name:'Border information',parse:function(){var units,_ref;_ref=this.file.readf(">fH"),this.width=_ref[0],units=_ref[1];return this.units=(function(){switch(units){case 1:return"inches";case 2:return"cm";case 3:return"points";case 4:return"picas";case 5:return"columns";}})();}},1010:{name:'Background color'},1011:{name:'Print flags',parse:function(){var start,_ref;start=this.file.tell();_ref=this.file.readf(">9B"),this.labels=_ref[0],this.cropMarks=_ref[1],this.colorBars=_ref[2],this.registrationMarks=_ref[3],this.negative=_ref[4],this.flip=_ref[5],this.interpolate=_ref[6],this.caption=_ref[7];return this.file.seek(start+this.size,false);}},1012:{name:'Grayscale/multichannel halftoning info'},1013:{name:'Color halftoning info'},1014:{name:'Duotone halftoning info'},1015:{name:'Grayscale/multichannel transfer function'},1016:{name:'Color transfer functions'},1017:{name:'Duotone transfer functions'},1018:{name:'Duotone image info'},1019:{name:'B&W values for the dot range',parse:function(){var _ref;return _ref=this.file.readf(">H"),this.bwvalues=_ref[0],_ref;}},1021:{name:'EPS options'},1022:{name:'Quick Mask info',parse:function(){var _ref;return _ref=this.file.readf(">HB"),this.quickMaskChannelID=_ref[0],this.wasMaskEmpty=_ref[1],_ref;}},1024:{name:'Layer state info',parse:function(){var _ref;return _ref=this.file.readf(">H"),this.targetLayer=_ref[0],_ref;}},1025:{name:'Working path'},1026:{name:'Layers group info',parse:function(){var info,start,_results;start=this.file.tell();this.layerGroupInfo=[];_results=[];while(this.file.tell()<start+this.size){info=this.file.readf(">H")[0];_results.push(this.layerGroupInfo.push(info));}
return _results;}},1028:{name:'IPTC-NAA record (File Info)'},1029:{name:'Image mode for raw format files'},1030:{name:'JPEG quality'},1032:{name:'Grid and guides info'},1033:{name:'Thumbnail resource'},1034:{name:'Copyright flag',parse:function(){var _ref;return _ref=this.file.readf(">"+this.size+"B"),this.copyrighted=_ref[0],_ref;}},1035:{name:'URL',parse:function(){var _ref;return _ref=this.file.readf(">"+this.size+"s"),this.url=_ref[0],_ref;}},1036:{name:'Thumbnail resource'},1037:{name:'Global Angle'},1038:{name:'Color samplers resource'},1039:{name:'ICC Profile'},1040:{name:'Watermark',parse:function(){var _ref;return _ref=this.file.readf(">B"),this.watermarked=_ref[0],_ref;}},1041:{name:'ICC Untagged'},1042:{name:'Effects visible',parse:function(){var _ref;return _ref=this.file.readf(">B"),this.showEffects=_ref[0],_ref;}},1043:{name:'Spot Halftone',parse:function(){[this.halftoneVersion,length](this.file.readf(">LL"));return this.halftoneData=this.file.read(length);}},1044:{name:'Document specific IDs seed number',parse:function(){var _ref;return _ref=this.file.readf(">L"),this.docIdSeedNumber=_ref[0],_ref;}},1045:{name:'Unicode Alpha Names'},1046:{name:'Indexed Color Table Count',parse:function(){var _ref;return _ref=this.file.readf(">H"),this.indexedColorCount=_ref[0],_ref;}},1047:{name:'Transparent Index',parse:function(){var _ref;return _ref=this.file.readf(">H"),this.transparencyIndex=_ref[0],_ref;}},1049:{name:'Global Altitude',parse:function(){var _ref;return _ref=this.file.readf(">L"),this.globalAltitude=_ref[0],_ref;}},1050:{name:'Slices'},1051:{name:'Workflow URL',parse:function(){return this.workflowName=this.file.readLengthWithString();}},1052:{name:'Jump To XPEP',parse:function(){var block,count,i,_i,_ref,_results;_ref=this.file.readf(">HHL"),this.majorVersion=_ref[0],this.minorVersion=_ref[1],count=_ref[2];this.xpepBlocks=[];_results=[];for(i=_i=0;0<=count?_i<count:_i>count;i=0<=count?++_i:--_i){block={size:this.file.readf(">L"),key:this.file.readf(">4s")};if(block.key==="jtDd"){block.dirty=this.file.readBoolean();}else{block.modDate=this.file.readf(">L");}
_results.push(this.xpepBlocks.push(block));}
return _results;}},1053:{name:'Alpha Identifiers'},1054:{name:'URL List'},1057:{name:'Version Info'},1058:{name:'EXIF data 1'},1059:{name:'EXIF data 3'},1060:{name:'XMP metadata'},1061:{name:'Caption digest'},1062:{name:'Print scale'},1064:{name:'Pixel Aspect Ratio'},1065:{name:'Layer Comps'},1066:{name:'Alternate Duotone Colors'},1067:{name:'Alternate Spot Colors'},1069:{name:'Layer Selection ID(s)'},1070:{name:'HDR Toning information'},1071:{name:"Print info"},1072:{name:"Layer Groups Enabled"},1073:{name:"Color samplers resource"},1074:{name:"Measurement Scale"},1075:{name:"Timeline Information"},1076:{name:"Sheet Disclosure"},1077:{name:"DisplayInfo"},1078:{name:"Onion Skins"},1080:{name:"Count Information"},1082:{name:"Print Information"},1083:{name:"Print Style"},1084:{name:"Macintosh NSPrintInfo"},1085:{name:"Windows DEVMODE"},2999:{name:'Name of clipping path'},7000:{name:"Image Ready variables"},7001:{name:"Image Ready data sets"},8000:{name:"Lightroom workflow",parse:PSDResource.isLightroom=true},10000:{name:'Print flags info',parse:function(){var padding,_ref;return _ref=this.file.readf(">HBBLH"),this.version=_ref[0],this.centerCropMarks=_ref[1],padding=_ref[2],this.bleedWidth=_ref[3],this.bleedWidthScale=_ref[4],_ref;}}};function PSDResource(file){this.file=file;}
PSDResource.prototype.parse=function(){var n,resource,_ref,_ref1,_ref2;this.at=this.file.tell();_ref=this.file.readf(">4s H B"),this.type=_ref[0],this.id=_ref[1],this.namelen=_ref[2];Log.debug("Resource #"+this.id+": type="+this.type);n=Util.pad2(this.namelen+1)-1;this.name=this.file.readf(">"+n+"s")[0];this.name=this.name.substr(0,this.name.length-1);this.shortName=this.name.substr(0,20);this.size=this.file.readInt();this.size=Util.pad2(this.size);if((2000<=(_ref1=this.id)&&_ref1<=2998)){this.rdesc="[Path Information]";return this.file.seek(this.size);}else if(this.id===2999){return assert(0);}else if((4000<=(_ref2=this.id)&&_ref2<5000)){this.rdesc="[Plug-in Resource]";return this.file.seek(this.size);}else if(RESOURCE_DESCRIPTIONS[this.id]!=null){resource=RESOURCE_DESCRIPTIONS[this.id];this.rdesc="["+resource.name+"]";if(resource.parse!=null){return resource.parse.call(this);}else{return this.file.seek(this.size);}}else{return this.file.seek(this.size);}};return PSDResource;})();Util=(function(){Util.name='Util';function Util(){}
Util.pad2=function(i){return Math.floor((i+1)/2)*2;};Util.pad4=function(i){return(((i&0xFF)+1+3)&~0x03)-1;};Util.toUInt16=function(b1,b2){return(b1<<8)|b2;};Util.toInt16=function(b1,b2){var val;val=this.toUInt16(b1,b2);if(val>=0x8000){return val-0x10000;}else{return val;}};Util.round=function(num,sigFig){var mult;if(sigFig==null){sigFig=2;}
if(sigFig===0){return Math.round(num);}
mult=Math.pow(10,sigFig);return Math.round(num*mult)/mult;};Util.clamp=function(num,min,max){var i,val,_i,_len;if(min==null){min=Number.MIN_VALUE;}
if(max==null){max=Number.MAX_VALUE;}
if(typeof num==="object"&&(num.length!=null)){for(i=_i=0,_len=num.length;_i<_len;i=++_i){val=num[i];num[i]=Math.max(Math.min(val,max),min);}}else if(typeof num==="object"){for(i in num){if(!__hasProp.call(num,i))continue;val=num[i];num[i]=Math.max(Math.min(val,max),min);}}else{num=Math.max(Math.min(num,max),min);}
return num;};return Util;})();Log=(function(){Log.name='Log';function Log(){}
Log.debug=Log.log=function(){return this.output("log",arguments);};Log.output=function(method,data){if(typeof exports!=="undefined"&&exports!==null){if(PSD.DEBUG){return console[method].apply(null,data);}}else{if(PSD.DEBUG){return console[method]("[PSD]",data);}}};return Log;})();}).call(this);