geotiff.js

/**
 * Skipped minification because the original files appears to be already minified.
 * Original file: /npm/geotiff@2.0.7/dist-browser/geotiff.js
 *
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 */
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i,a,o,s,u,f,c,l,h,d,p=t.quantizationTable,m=n;for(d=0;d<64;d++)m[d]=e[d]*p[d];for(d=0;d<8;++d){var v=8*d;0!==m[1+v]||0!==m[2+v]||0!==m[3+v]||0!==m[4+v]||0!==m[5+v]||0!==m[6+v]||0!==m[7+v]?(i=Qr*m[0+v]+128>>8,a=Qr*m[4+v]+128>>8,o=m[2+v],s=m[6+v],u=$r*(m[1+v]-m[7+v])+128>>8,l=$r*(m[1+v]+m[7+v])+128>>8,f=m[3+v]<<4,c=m[5+v]<<4,h=i-a+1>>1,i=i+a+1>>1,a=h,h=o*Jr+s*Wr+128>>8,o=o*Wr-s*Jr+128>>8,s=h,h=u-c+1>>1,u=u+c+1>>1,c=h,h=l+f+1>>1,f=l-f+1>>1,l=h,h=i-s+1>>1,i=i+s+1>>1,s=h,h=a-o+1>>1,a=a+o+1>>1,o=h,h=u*Xr+l*qr+2048>>12,u=u*qr-l*Xr+2048>>12,l=h,h=f*Yr+c*Hr+2048>>12,f=f*Hr-c*Yr+2048>>12,c=h,m[0+v]=i+l,m[7+v]=i-l,m[1+v]=a+c,m[6+v]=a-c,m[2+v]=o+f,m[5+v]=o-f,m[3+v]=s+u,m[4+v]=s-u):(h=Qr*m[0+v]+512>>10,m[0+v]=h,m[1+v]=h,m[2+v]=h,m[3+v]=h,m[4+v]=h,m[5+v]=h,m[6+v]=h,m[7+v]=h)}for(d=0;d<8;++d){var y=d;0!==m[8+y]||0!==m[16+y]||0!==m[24+y]||0!==m[32+y]||0!==m[40+y]||0!==m[48+y]||0!==m[56+y]?(i=Qr*m[0+y]+2048>>12,a=Qr*m[32+y]+2048>>12,o=m[16+y],s=m[48+y],u=$r*(m[8+y]-m[56+y])+2048>>12,l=$r*(m[8+y]+m[56+y])+2048>>12,f=m[24+y],c=m[40+y],h=i-a+1>>1,i=i+a+1>>1,a=h,h=o*Jr+s*Wr+2048>>12,o=o*Wr-s*Jr+2048>>12,s=h,h=u-c+1>>1,u=u+c+1>>1,c=h,h=l+f+1>>1,f=l-f+1>>1,l=h,h=i-s+1>>1,i=i+s+1>>1,s=h,h=a-o+1>>1,a=a+o+1>>1,o=h,h=u*Xr+l*qr+2048>>12,u=u*qr-l*Xr+2048>>12,l=h,h=f*Yr+c*Hr+2048>>12,f=f*Hr-c*Yr+2048>>12,c=h,m[0+y]=i+l,m[56+y]=i-l,m[8+y]=a+c,m[48+y]=a-c,m[16+y]=o+f,m[40+y]=o-f,m[24+y]=s+u,m[32+y]=s-u):(h=Qr*n[d+0]+8192>>14,m[0+y]=h,m[8+y]=h,m[16+y]=h,m[24+y]=h,m[32+y]=h,m[40+y]=h,m[48+y]=h,m[56+y]=h)}for(d=0;d<64;++d){var g=128+(m[d]+8>>4);r[d]=g<0?0:g>255?255:g}}for(var f=0;f<i;f++){for(var c=f<<3,l=0;l<8;l++)r.push(new Uint8Array(a));for(var h=0;h<n;h++){u(t.blocks[f][h],s,o);for(var d=0,p=h<<3,m=0;m<8;m++)for(var v=r[c+m],y=0;y<8;y++)v[p+y]=s[d++]}}return r}var nn=function(){function e(){b(this,e),this.jfif=null,this.adobe=null,this.quantizationTables=[],this.huffmanTablesAC=[],this.huffmanTablesDC=[],this.resetFrames()}return c(e,[{key:"resetFrames",value:function(){this.frames=[]}},{key:"parse",value:function(e){var t=0;function r(){var r=e[t]<<8|e[t+1];return t+=2,r}function n(e){var t,r,n=0,i=0;for(r in e.components)e.components.hasOwnProperty(r)&&(n<(t=e.components[r]).h&&(n=t.h),i<t.v&&(i=t.v));var a=Math.ceil(e.samplesPerLine/8/n),o=Math.ceil(e.scanLines/8/i);for(r in e.components)if(e.components.hasOwnProperty(r)){t=e.components[r];for(var s=Math.ceil(Math.ceil(e.samplesPerLine/8)*t.h/n),u=Math.ceil(Math.ceil(e.scanLines/8)*t.v/i),f=a*t.h,c=o*t.v,l=[],h=0;h<c;h++){for(var d=[],p=0;p<f;p++)d.push(new Int32Array(64));l.push(d)}t.blocksPerLine=s,t.blocksPerColumn=u,t.blocks=l}e.maxH=n,e.maxV=i,e.mcusPerLine=a,e.mcusPerColumn=o}var i,a,o=r();if(65496!==o)throw new Error("SOI not found");for(o=r();65497!==o;){switch(o){case 65280:break;case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var s=(i=void 0,a=void 0,i=r(),a=e.subarray(t,t+i-2),t+=a.length,a);65504===o&&74===s[0]&&70===s[1]&&73===s[2]&&70===s[3]&&0===s[4]&&(this.jfif={version:{major:s[5],minor:s[6]},densityUnits:s[7],xDensity:s[8]<<8|s[9],yDensity:s[10]<<8|s[11],thumbWidth:s[12],thumbHeight:s[13],thumbData:s.subarray(14,14+3*s[12]*s[13])}),65518===o&&65===s[0]&&100===s[1]&&111===s[2]&&98===s[3]&&101===s[4]&&0===s[5]&&(this.adobe={version:s[6],flags0:s[7]<<8|s[8],flags1:s[9]<<8|s[10],transformCode:s[11]});break;case 65499:for(var u=r()+t-2;t<u;){var f=e[t++],c=new Int32Array(64);if(f>>4==0)for(var l=0;l<64;l++){c[Zr[l]]=e[t++]}else{if(f>>4!=1)throw new Error("DQT: invalid table spec");for(var h=0;h<64;h++){c[Zr[h]]=r()}}this.quantizationTables[15&f]=c}break;case 65472:case 65473:case 65474:r();for(var d={extended:65473===o,progressive:65474===o,precision:e[t++],scanLines:r(),samplesPerLine:r(),components:{},componentsOrder:[]},p=e[t++],m=void 0,v=0;v<p;v++){m=e[t];var y=e[t+1]>>4,g=15&e[t+1],w=e[t+2];d.componentsOrder.push(m),d.components[m]={h:y,v:g,quantizationIdx:w},t+=3}n(d),this.frames.push(d);break;case 65476:for(var b=r(),k=2;k<b;){for(var x=e[t++],A=new Uint8Array(16),_=0,I=0;I<16;I++,t++)A[I]=e[t],_+=A[I];for(var P=new Uint8Array(_),S=0;S<_;S++,t++)P[S]=e[t];k+=17+_,x>>4==0?this.huffmanTablesDC[15&x]=en(A,P):this.huffmanTablesAC[15&x]=en(A,P)}break;case 65501:r(),this.resetInterval=r();break;case 65498:r();for(var T=e[t++],U=[],O=this.frames[0],D=0;D<T;D++){var E=O.components[e[t++]],R=e[t++];E.huffmanTableDC=this.huffmanTablesDC[R>>4],E.huffmanTableAC=this.huffmanTablesAC[15&R],U.push(E)}var M=e[t++],B=e[t++],C=e[t++],L=tn(e,t,O,U,this.resetInterval,M,B,C>>4,15&C);t+=L;break;case 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e&&e.state?0!==(r=e.state).wrap&&11!==r.mode?Cn:11===r.mode&&un(1,t,n,0)!==r.check?Ln:$n(e,t,n,n)?(r.mode=31,Fn):(r.havedict=1,Rn):Cn},inflateInfo:"pako inflate (from Nodeca project)"};var ti=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1},ri=Object.prototype.toString,ni=hn.Z_NO_FLUSH,ii=hn.Z_FINISH,ai=hn.Z_OK,oi=hn.Z_STREAM_END,si=hn.Z_NEED_DICT,ui=hn.Z_STREAM_ERROR,fi=hn.Z_DATA_ERROR,ci=hn.Z_MEM_ERROR;function li(e){this.options=pn({chunkSize:65536,windowBits:15,to:""},e||{});var t=this.options;t.raw&&t.windowBits>=0&&t.windowBits<16&&(t.windowBits=-t.windowBits,0===t.windowBits&&(t.windowBits=-15)),!(t.windowBits>=0&&t.windowBits<16)||e&&e.windowBits||(t.windowBits+=32),t.windowBits>15&&t.windowBits<48&&0==(15&t.windowBits)&&(t.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new xn,this.strm.avail_out=0;var r=ei.inflateInit2(this.strm,t.windowBits);if(r!==ai)throw new Error(ln[r]);if(this.header=new ti,ei.inflateGetHeader(this.strm,this.header),t.dictionary&&("string"==typeof t.dictionary?t.dictionary=wn(t.dictionary):"[object ArrayBuffer]"===ri.call(t.dictionary)&&(t.dictionary=new Uint8Array(t.dictionary)),t.raw&&(r=ei.inflateSetDictionary(this.strm,t.dictionary))!==ai))throw new Error(ln[r])}function hi(e,t){var r=new li(t);if(r.push(e),r.err)throw r.msg||ln[r.err];return r.result}li.prototype.push=function(e,t){var r,n,i,a=this.strm,o=this.options.chunkSize,s=this.options.dictionary;if(this.ended)return!1;for(n=t===~~t?t:!0===t?ii:ni,"[object ArrayBuffer]"===ri.call(e)?a.input=new Uint8Array(e):a.input=e,a.next_in=0,a.avail_in=a.input.length;;){for(0===a.avail_out&&(a.output=new 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r=ei.inflateEnd(this.strm),this.onEnd(r),this.ended=!0,!0;if(0===a.avail_in)break}}return!0},li.prototype.onData=function(e){this.chunks.push(e)},li.prototype.onEnd=function(e){e===ai&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=mn(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var di={Inflate:li,inflate:hi,inflateRaw:function(e,t){return(t=t||{}).raw=!0,hi(e,t)},ungzip:hi,constants:hn}.inflate;function pi(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var r,n=v(e);if(t){var i=v(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return m(this,r)}}var mi=function(e){h(r,e);var t=pi(r);function r(){return b(this,r),t.apply(this,arguments)}return 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/* Copyright 2015-2021 Esri. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 @preserve */
!function(){var t,r,n,i,a,o,s,u,f=(t={defaultNoDataValue:-34027999387901484e22,decode:function(e,o){var s=(o=o||{}).encodedMaskData||null===o.encodedMaskData,u=a(e,o.inputOffset||0,s),f=null!==o.noDataValue?o.noDataValue:t.defaultNoDataValue,c=r(u,o.pixelType||Float32Array,o.encodedMaskData,f,o.returnMask),l={width:u.width,height:u.height,pixelData:c.resultPixels,minValue:c.minValue,maxValue:u.pixels.maxValue,noDataValue:f};return c.resultMask&&(l.maskData=c.resultMask),o.returnEncodedMask&&u.mask&&(l.encodedMaskData=u.mask.bitset?u.mask.bitset:null),o.returnFileInfo&&(l.fileInfo=n(u),o.computeUsedBitDepths&&(l.fileInfo.bitDepths=i(u))),l}},r=function(e,t,r,n,i){var a,s,u,f=0,c=e.pixels.numBlocksX,l=e.pixels.numBlocksY,h=Math.floor(e.width/c),d=Math.floor(e.height/l),p=2*e.maxZError,m=Number.MAX_VALUE;r=r||(e.mask?e.mask.bitset:null),s=new t(e.width*e.height),i&&r&&(u=new Uint8Array(e.width*e.height));for(var v,y,g=new Float32Array(h*d),w=0;w<=l;w++){var b=w!==l?d:e.height%l;if(0!==b)for(var k=0;k<=c;k++){var x=k!==c?h:e.width%c;if(0!==x){var A,_,I,P,S=w*e.width*d+k*h,T=e.width-x,U=e.pixels.blocks[f];if(U.encoding<2?(0===U.encoding?A=U.rawData:(o(U.stuffedData,U.bitsPerPixel,U.numValidPixels,U.offset,p,g,e.pixels.maxValue),A=g),_=0):I=2===U.encoding?0:U.offset,r)for(y=0;y<b;y++){for(7&S&&(P=r[S>>3],P<<=7&S),v=0;v<x;v++)7&S||(P=r[S>>3]),128&P?(u&&(u[S]=1),m=m>(a=U.encoding<2?A[_++]:I)?a:m,s[S++]=a):(u&&(u[S]=0),s[S++]=n),P<<=1;S+=T}else if(U.encoding<2)for(y=0;y<b;y++){for(v=0;v<x;v++)m=m>(a=A[_++])?a:m,s[S++]=a;S+=T}else for(m=m>I?I:m,y=0;y<b;y++){for(v=0;v<x;v++)s[S++]=I;S+=T}if(1===U.encoding&&_!==U.numValidPixels)throw"Block and Mask do not match";f++}}}return{resultPixels:s,resultMask:u,minValue:m}},n=function(e){return{fileIdentifierString:e.fileIdentifierString,fileVersion:e.fileVersion,imageType:e.imageType,height:e.height,width:e.width,maxZError:e.maxZError,eofOffset:e.eofOffset,mask:e.mask?{numBlocksX:e.mask.numBlocksX,numBlocksY:e.mask.numBlocksY,numBytes:e.mask.numBytes,maxValue:e.mask.maxValue}:null,pixels:{numBlocksX:e.pixels.numBlocksX,numBlocksY:e.pixels.numBlocksY,numBytes:e.pixels.numBytes,maxValue:e.pixels.maxValue,noDataValue:e.noDataValue}}},i=function(e){for(var t=e.pixels.numBlocksX*e.pixels.numBlocksY,r={},n=0;n<t;n++){var i=e.pixels.blocks[n];0===i.encoding?r.float32=!0:1===i.encoding?r[i.bitsPerPixel]=!0:r[0]=!0}return Object.keys(r)},a=function(e,t,r){var n={},i=new Uint8Array(e,t,10);if(n.fileIdentifierString=String.fromCharCode.apply(null,i),"CntZImage"!==n.fileIdentifierString.trim())throw"Unexpected file identifier string: "+n.fileIdentifierString;t+=10;var a=new DataView(e,t,24);if(n.fileVersion=a.getInt32(0,!0),n.imageType=a.getInt32(4,!0),n.height=a.getUint32(8,!0),n.width=a.getUint32(12,!0),n.maxZError=a.getFloat64(16,!0),t+=24,!r)if(a=new DataView(e,t,16),n.mask={},n.mask.numBlocksY=a.getUint32(0,!0),n.mask.numBlocksX=a.getUint32(4,!0),n.mask.numBytes=a.getUint32(8,!0),n.mask.maxValue=a.getFloat32(12,!0),t+=16,n.mask.numBytes>0){var o=new Uint8Array(Math.ceil(n.width*n.height/8)),s=(a=new DataView(e,t,n.mask.numBytes)).getInt16(0,!0),u=2,f=0;do{if(s>0)for(;s--;)o[f++]=a.getUint8(u++);else{var c=a.getUint8(u++);for(s=-s;s--;)o[f++]=c}s=a.getInt16(u,!0),u+=2}while(u<n.mask.numBytes);if(-32768!==s||f<o.length)throw"Unexpected end of mask RLE encoding";n.mask.bitset=o,t+=n.mask.numBytes}else 0==(n.mask.numBytes|n.mask.numBlocksY|n.mask.maxValue)&&(n.mask.bitset=new Uint8Array(Math.ceil(n.width*n.height/8)));a=new DataView(e,t,16),n.pixels={},n.pixels.numBlocksY=a.getUint32(0,!0),n.pixels.numBlocksX=a.getUint32(4,!0),n.pixels.numBytes=a.getUint32(8,!0),n.pixels.maxValue=a.getFloat32(12,!0),t+=16;var l=n.pixels.numBlocksX,h=n.pixels.numBlocksY,d=l+(n.width%l>0?1:0),p=h+(n.height%h>0?1:0);n.pixels.blocks=new Array(d*p);for(var m=0,v=0;v<p;v++)for(var y=0;y<d;y++){var g=0,w=e.byteLength-t;a=new DataView(e,t,Math.min(10,w));var b={};n.pixels.blocks[m++]=b;var k=a.getUint8(0);if(g++,b.encoding=63&k,b.encoding>3)throw"Invalid block encoding ("+b.encoding+")";if(2!==b.encoding){if(0!==k&&2!==k){if(k>>=6,b.offsetType=k,2===k)b.offset=a.getInt8(1),g++;else if(1===k)b.offset=a.getInt16(1,!0),g+=2;else{if(0!==k)throw"Invalid block offset type";b.offset=a.getFloat32(1,!0),g+=4}if(1===b.encoding)if(k=a.getUint8(g),g++,b.bitsPerPixel=63&k,k>>=6,b.numValidPixelsType=k,2===k)b.numValidPixels=a.getUint8(g),g++;else if(1===k)b.numValidPixels=a.getUint16(g,!0),g+=2;else{if(0!==k)throw"Invalid valid pixel count type";b.numValidPixels=a.getUint32(g,!0),g+=4}}var x;if(t+=g,3!==b.encoding)if(0===b.encoding){var A=(n.pixels.numBytes-1)/4;if(A!==Math.floor(A))throw"uncompressed block has invalid length";x=new ArrayBuffer(4*A),new Uint8Array(x).set(new Uint8Array(e,t,4*A));var _=new Float32Array(x);b.rawData=_,t+=4*A}else if(1===b.encoding){var I=Math.ceil(b.numValidPixels*b.bitsPerPixel/8),P=Math.ceil(I/4);x=new ArrayBuffer(4*P),new Uint8Array(x).set(new Uint8Array(e,t,I)),b.stuffedData=new Uint32Array(x),t+=I}}else t++}return n.eofOffset=t,n},o=function(e,t,r,n,i,a,o){var s,u,f,c=(1<<t)-1,l=0,h=0,d=Math.ceil((o-n)/i),p=4*e.length-Math.ceil(t*r/8);for(e[e.length-1]<<=8*p,s=0;s<r;s++){if(0===h&&(f=e[l++],h=32),h>=t)u=f>>>h-t&c,h-=t;else{var m=t-h;u=(f&c)<<m&c,u+=(f=e[l++])>>>(h=32-m)}a[s]=u<d?n+u*i:o}return a},t),c=function(){var e=function(e,t,r,n,i,a,o,s){var u,f,c,l,h,d=(1<<r)-1,p=0,m=0,v=4*e.length-Math.ceil(r*n/8);if(e[e.length-1]<<=8*v,i)for(u=0;u<n;u++)0===m&&(c=e[p++],m=32),m>=r?(f=c>>>m-r&d,m-=r):(f=(c&d)<<(l=r-m)&d,f+=(c=e[p++])>>>(m=32-l)),t[u]=i[f];else for(h=Math.ceil((s-a)/o),u=0;u<n;u++)0===m&&(c=e[p++],m=32),m>=r?(f=c>>>m-r&d,m-=r):(f=(c&d)<<(l=r-m)&d,f+=(c=e[p++])>>>(m=32-l)),t[u]=f<h?a+f*o:s},t=function(e,t,r,n,i,a){var o,s=(1<<t)-1,u=0,f=0,c=0,l=0,h=0,d=[],p=4*e.length-Math.ceil(t*r/8);e[e.length-1]<<=8*p;var m=Math.ceil((a-n)/i);for(f=0;f<r;f++)0===l&&(o=e[u++],l=32),l>=t?(h=o>>>l-t&s,l-=t):(h=(o&s)<<(c=t-l)&s,h+=(o=e[u++])>>>(l=32-c)),d[f]=h<m?n+h*i:a;return d.unshift(n),d},r=function(e,t,r,n,i,a,o,s){var u,f,c,l,h=(1<<r)-1,d=0,p=0,m=0;if(i)for(u=0;u<n;u++)0===p&&(c=e[d++],p=32,m=0),p>=r?(f=c>>>m&h,p-=r,m+=r):(f=c>>>m&h,p=32-(l=r-p),f|=((c=e[d++])&(1<<l)-1)<<r-l,m=l),t[u]=i[f];else{var v=Math.ceil((s-a)/o);for(u=0;u<n;u++)0===p&&(c=e[d++],p=32,m=0),p>=r?(f=c>>>m&h,p-=r,m+=r):(f=c>>>m&h,p=32-(l=r-p),f|=((c=e[d++])&(1<<l)-1)<<r-l,m=l),t[u]=f<v?a+f*o:s}return t},n=function(e,t,r,n,i,a){var o,s=(1<<t)-1,u=0,f=0,c=0,l=0,h=0,d=0,p=[],m=Math.ceil((a-n)/i);for(f=0;f<r;f++)0===l&&(o=e[u++],l=32,d=0),l>=t?(h=o>>>d&s,l-=t,d+=t):(h=o>>>d&s,l=32-(c=t-l),h|=((o=e[u++])&(1<<c)-1)<<t-c,d=c),p[f]=h<m?n+h*i:a;return p.unshift(n),p},i=function(e,t,r,n){var i,a,o,s,u=(1<<r)-1,f=0,c=0,l=4*e.length-Math.ceil(r*n/8);for(e[e.length-1]<<=8*l,i=0;i<n;i++)0===c&&(o=e[f++],c=32),c>=r?(a=o>>>c-r&u,c-=r):(a=(o&u)<<(s=r-c)&u,a+=(o=e[f++])>>>(c=32-s)),t[i]=a;return t},a=function(e,t,r,n){var i,a,o,s,u=(1<<r)-1,f=0,c=0,l=0;for(i=0;i<n;i++)0===c&&(o=e[f++],c=32,l=0),c>=r?(a=o>>>l&u,c-=r,l+=r):(a=o>>>l&u,c=32-(s=r-c),a|=((o=e[f++])&(1<<s)-1)<<r-s,l=s),t[i]=a;return t},o={HUFFMAN_LUT_BITS_MAX:12,computeChecksumFletcher32:function(e){for(var t=65535,r=65535,n=e.length,i=Math.floor(n/2),a=0;i;){var o=i>=359?359:i;i-=o;do{t+=e[a++]<<8,r+=t+=e[a++]}while(--o);t=(65535&t)+(t>>>16),r=(65535&r)+(r>>>16)}return 1&n&&(r+=t+=e[a]<<8),((r=(65535&r)+(r>>>16))<<16|(t=(65535&t)+(t>>>16)))>>>0},readHeaderInfo:function(e,t){var r=t.ptr,n=new Uint8Array(e,r,6),i={};if(i.fileIdentifierString=String.fromCharCode.apply(null,n),0!==i.fileIdentifierString.lastIndexOf("Lerc2",0))throw"Unexpected file identifier string (expect Lerc2 ): "+i.fileIdentifierString;r+=6;var a,o=new DataView(e,r,8),s=o.getInt32(0,!0);if(i.fileVersion=s,r+=4,s>=3&&(i.checksum=o.getUint32(4,!0),r+=4),o=new DataView(e,r,12),i.height=o.getUint32(0,!0),i.width=o.getUint32(4,!0),r+=8,s>=4?(i.numDims=o.getUint32(8,!0),r+=4):i.numDims=1,o=new DataView(e,r,40),i.numValidPixel=o.getUint32(0,!0),i.microBlockSize=o.getInt32(4,!0),i.blobSize=o.getInt32(8,!0),i.imageType=o.getInt32(12,!0),i.maxZError=o.getFloat64(16,!0),i.zMin=o.getFloat64(24,!0),i.zMax=o.getFloat64(32,!0),r+=40,t.headerInfo=i,t.ptr=r,s>=3&&(a=s>=4?52:48,this.computeChecksumFletcher32(new Uint8Array(e,r-a,i.blobSize-14))!==i.checksum))throw"Checksum failed.";return!0},checkMinMaxRanges:function(e,t){var r=t.headerInfo,n=this.getDataTypeArray(r.imageType),i=r.numDims*this.getDataTypeSize(r.imageType),a=this.readSubArray(e,t.ptr,n,i),o=this.readSubArray(e,t.ptr+i,n,i);t.ptr+=2*i;var s,u=!0;for(s=0;s<r.numDims;s++)if(a[s]!==o[s]){u=!1;break}return r.minValues=a,r.maxValues=o,u},readSubArray:function(e,t,r,n){var i;if(r===Uint8Array)i=new Uint8Array(e,t,n);else{var a=new ArrayBuffer(n);new Uint8Array(a).set(new Uint8Array(e,t,n)),i=new r(a)}return i},readMask:function(e,t){var r,n,i=t.ptr,a=t.headerInfo,o=a.width*a.height,s=a.numValidPixel,u=new DataView(e,i,4),f={};if(f.numBytes=u.getUint32(0,!0),i+=4,(0===s||o===s)&&0!==f.numBytes)throw"invalid mask";if(0===s)r=new Uint8Array(Math.ceil(o/8)),f.bitset=r,n=new Uint8Array(o),t.pixels.resultMask=n,i+=f.numBytes;else if(f.numBytes>0){r=new Uint8Array(Math.ceil(o/8));var c=(u=new DataView(e,i,f.numBytes)).getInt16(0,!0),l=2,h=0,d=0;do{if(c>0)for(;c--;)r[h++]=u.getUint8(l++);else for(d=u.getUint8(l++),c=-c;c--;)r[h++]=d;c=u.getInt16(l,!0),l+=2}while(l<f.numBytes);if(-32768!==c||h<r.length)throw"Unexpected end of mask RLE encoding";n=new Uint8Array(o);var p=0,m=0;for(m=0;m<o;m++)7&m?(p=r[m>>3],p<<=7&m):p=r[m>>3],128&p&&(n[m]=1);t.pixels.resultMask=n,f.bitset=r,i+=f.numBytes}return t.ptr=i,t.mask=f,!0},readDataOneSweep:function(e,t,r,n){var i,a=t.ptr,s=t.headerInfo,u=s.numDims,f=s.width*s.height,c=s.imageType,l=s.numValidPixel*o.getDataTypeSize(c)*u,h=t.pixels.resultMask;if(r===Uint8Array)i=new Uint8Array(e,a,l);else{var d=new ArrayBuffer(l);new Uint8Array(d).set(new Uint8Array(e,a,l)),i=new r(d)}if(i.length===f*u)t.pixels.resultPixels=n?o.swapDimensionOrder(i,f,u,r,!0):i;else{t.pixels.resultPixels=new r(f*u);var p=0,m=0,v=0,y=0;if(u>1){if(n){for(m=0;m<f;m++)if(h[m])for(y=m,v=0;v<u;v++,y+=f)t.pixels.resultPixels[y]=i[p++]}else for(m=0;m<f;m++)if(h[m])for(y=m*u,v=0;v<u;v++)t.pixels.resultPixels[y+v]=i[p++]}else for(m=0;m<f;m++)h[m]&&(t.pixels.resultPixels[m]=i[p++])}return a+=l,t.ptr=a,!0},readHuffmanTree:function(e,t){var r=this.HUFFMAN_LUT_BITS_MAX,n=new DataView(e,t.ptr,16);if(t.ptr+=16,n.getInt32(0,!0)<2)throw"unsupported Huffman version";var i=n.getInt32(4,!0),a=n.getInt32(8,!0),u=n.getInt32(12,!0);if(a>=u)return!1;var f=new Uint32Array(u-a);o.decodeBits(e,t,f);var c,l,h,d,p=[];for(c=a;c<u;c++)p[l=c-(c<i?0:i)]={first:f[c-a],second:null};var m=e.byteLength-t.ptr,v=Math.ceil(m/4),y=new ArrayBuffer(4*v);new Uint8Array(y).set(new Uint8Array(e,t.ptr,m));var g,w=new Uint32Array(y),b=0,k=0;for(g=w[0],c=a;c<u;c++)(d=p[l=c-(c<i?0:i)].first)>0&&(p[l].second=g<<b>>>32-d,32-b>=d?32===(b+=d)&&(b=0,g=w[++k]):(b+=d-32,g=w[++k],p[l].second|=g>>>32-b));var x=0,A=0,_=new s;for(c=0;c<p.length;c++)void 0!==p[c]&&(x=Math.max(x,p[c].first));A=x>=r?r:x;var I,P,S,T,U,O=[];for(c=a;c<u;c++)if((d=p[l=c-(c<i?0:i)].first)>0)if(I=[d,l],d<=A)for(P=p[l].second<<A-d,S=1<<A-d,h=0;h<S;h++)O[P|h]=I;else for(P=p[l].second,U=_,T=d-1;T>=0;T--)P>>>T&1?(U.right||(U.right=new s),U=U.right):(U.left||(U.left=new s),U=U.left),0!==T||U.val||(U.val=I[1]);return{decodeLut:O,numBitsLUTQick:A,numBitsLUT:x,tree:_,stuffedData:w,srcPtr:k,bitPos:b}},readHuffman:function(e,t,r,n){var i,a,s,u,f,c,l,h,d,p=t.headerInfo.numDims,m=t.headerInfo.height,v=t.headerInfo.width,y=v*m,g=this.readHuffmanTree(e,t),w=g.decodeLut,b=g.tree,k=g.stuffedData,x=g.srcPtr,A=g.bitPos,_=g.numBitsLUTQick,I=g.numBitsLUT,P=0===t.headerInfo.imageType?128:0,S=t.pixels.resultMask,T=0;A>0&&(x++,A=0);var U,O=k[x],D=1===t.encodeMode,E=new r(y*p),R=E;if(p<2||D){for(U=0;U<p;U++)if(p>1&&(R=new r(E.buffer,y*U,y),T=0),t.headerInfo.numValidPixel===v*m)for(h=0,c=0;c<m;c++)for(l=0;l<v;l++,h++){if(a=0,f=u=O<<A>>>32-_,32-A<_&&(f=u|=k[x+1]>>>64-A-_),w[f])a=w[f][1],A+=w[f][0];else for(f=u=O<<A>>>32-I,32-A<I&&(f=u|=k[x+1]>>>64-A-I),i=b,d=0;d<I;d++)if(!(i=u>>>I-d-1&1?i.right:i.left).left&&!i.right){a=i.val,A=A+d+1;break}A>=32&&(A-=32,O=k[++x]),s=a-P,D?(s+=l>0?T:c>0?R[h-v]:T,s&=255,R[h]=s,T=s):R[h]=s}else for(h=0,c=0;c<m;c++)for(l=0;l<v;l++,h++)if(S[h]){if(a=0,f=u=O<<A>>>32-_,32-A<_&&(f=u|=k[x+1]>>>64-A-_),w[f])a=w[f][1],A+=w[f][0];else for(f=u=O<<A>>>32-I,32-A<I&&(f=u|=k[x+1]>>>64-A-I),i=b,d=0;d<I;d++)if(!(i=u>>>I-d-1&1?i.right:i.left).left&&!i.right){a=i.val,A=A+d+1;break}A>=32&&(A-=32,O=k[++x]),s=a-P,D?(l>0&&S[h-1]?s+=T:c>0&&S[h-v]?s+=R[h-v]:s+=T,s&=255,R[h]=s,T=s):R[h]=s}}else for(h=0,c=0;c<m;c++)for(l=0;l<v;l++)if(h=c*v+l,!S||S[h])for(U=0;U<p;U++,h+=y){if(a=0,f=u=O<<A>>>32-_,32-A<_&&(f=u|=k[x+1]>>>64-A-_),w[f])a=w[f][1],A+=w[f][0];else for(f=u=O<<A>>>32-I,32-A<I&&(f=u|=k[x+1]>>>64-A-I),i=b,d=0;d<I;d++)if(!(i=u>>>I-d-1&1?i.right:i.left).left&&!i.right){a=i.val,A=A+d+1;break}A>=32&&(A-=32,O=k[++x]),s=a-P,R[h]=s}t.ptr=t.ptr+4*(x+1)+(A>0?4:0),t.pixels.resultPixels=E,p>1&&!n&&(t.pixels.resultPixels=o.swapDimensionOrder(E,y,p,r))},decodeBits:function(o,s,u,f,c){var l=s.headerInfo,h=l.fileVersion,d=0,p=o.byteLength-s.ptr>=5?5:o.byteLength-s.ptr,m=new DataView(o,s.ptr,p),v=m.getUint8(0);d++;var y=v>>6,g=0===y?4:3-y,w=(32&v)>0,b=31&v,k=0;if(1===g)k=m.getUint8(d),d++;else if(2===g)k=m.getUint16(d,!0),d+=2;else{if(4!==g)throw"Invalid valid pixel count type";k=m.getUint32(d,!0),d+=4}var x,A,_,I,P,S,T,U,O,D=2*l.maxZError,E=l.numDims>1?l.maxValues[c]:l.zMax;if(w){for(s.counter.lut++,U=m.getUint8(d),d++,I=Math.ceil((U-1)*b/8),P=Math.ceil(I/4),A=new ArrayBuffer(4*P),_=new 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r(f*f),G=s%f||f,j=a%f||f,z=i.numDims,N=t.pixels.resultMask,K=t.pixels.resultPixels,Z=i.fileVersion>=5?14:15,H=i.zMax;for(P=0;P<d;P++)for(T=P!==d-1?f:G,S=0;S<h;S++)for(R=P*a*f+S*f,M=a-(U=S!==h-1?f:j),k=0;k<z;k++){if(z>1?(A=K,R=P*a*f+S*f,K=new r(t.pixels.resultPixels.buffer,u*k*l,u),H=i.maxValues[k]):A=null,O=e.byteLength-t.ptr,m={},F=0,D=(p=new DataView(e,t.ptr,Math.min(10,O))).getUint8(0),F++,x=i.fileVersion>=5?4&D:0,E=D>>6&255,(D>>2&Z)!==(S*f>>3&Z))throw"integrity issue";if(x&&0===k)throw"integrity issue";if((g=3&D)>3)throw t.ptr+=F,"Invalid block encoding ("+g+")";if(2!==g)if(0===g){if(x)throw"integrity issue";if(t.counter.uncompressed++,t.ptr+=F,B=(B=T*U*l)<(C=e.byteLength-t.ptr)?B:C,v=new ArrayBuffer(B%l==0?B:B+l-B%l),new Uint8Array(v).set(new Uint8Array(e,t.ptr,B)),y=new r(v),L=0,N)for(_=0;_<T;_++){for(I=0;I<U;I++)N[R]&&(K[R]=y[L++]),R++;R+=M}else for(_=0;_<T;_++){for(I=0;I<U;I++)K[R++]=y[L++];R+=M}t.ptr+=L*l}else 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65280:break;case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var s=(i=void 0,a=void 0,i=r(),a=e.subarray(t,t+i-2),t+=a.length,a);65504===o&&74===s[0]&&70===s[1]&&73===s[2]&&70===s[3]&&0===s[4]&&(this.jfif={version:{major:s[5],minor:s[6]},densityUnits:s[7],xDensity:s[8]<<8|s[9],yDensity:s[10]<<8|s[11],thumbWidth:s[12],thumbHeight:s[13],thumbData:s.subarray(14,14+3*s[12]*s[13])}),65518===o&&65===s[0]&&100===s[1]&&111===s[2]&&98===s[3]&&101===s[4]&&0===s[5]&&(this.adobe={version:s[6],flags0:s[7]<<8|s[8],flags1:s[9]<<8|s[10],transformCode:s[11]});break;case 65499:for(var f=r()+t-2;t<f;){var l=e[t++],u=new Int32Array(64);if(l>>4==0)for(var c=0;c<64;c++){u[D[c]]=e[t++]}else{if(l>>4!=1)throw new Error("DQT: invalid table spec");for(var h=0;h<64;h++){u[D[h]]=r()}}this.quantizationTables[15&l]=u}break;case 65472:case 65473:case 65474:r();for(var d={extended:65473===o,progressive:65474===o,precision:e[t++],scanLines:r(),samplesPerLine:r(),components:{},componentsOrder:[]},p=e[t++],m=void 0,v=0;v<p;v++){m=e[t];var y=e[t+1]>>4,w=15&e[t+1],g=e[t+2];d.componentsOrder.push(m),d.components[m]={h:y,v:w,quantizationIdx:g},t+=3}n(d),this.frames.push(d);break;case 65476:for(var b=r(),k=2;k<b;){for(var x=e[t++],_=new Uint8Array(16),A=0,P=0;P<16;P++,t++)_[P]=e[t],A+=_[P];for(var I=new Uint8Array(A),U=0;U<A;U++,t++)I[U]=e[t];k+=17+A,x>>4==0?this.huffmanTablesDC[15&x]=E(_,I):this.huffmanTablesAC[15&x]=E(_,I)}break;case 65501:r(),this.resetInterval=r();break;case 65498:r();for(var S=e[t++],T=[],O=this.frames[0],M=0;M<S;M++){var C=O.components[e[t++]],L=e[t++];C.huffmanTableDC=this.huffmanTablesDC[L>>4],C.huffmanTableAC=this.huffmanTablesAC[15&L],T.push(C)}var R=e[t++],V=e[t++],G=e[t++],F=B(e,t,O,T,this.resetInterval,R,V,G>>4,15&G);t+=F;break;case 65535:255!==e[t]&&t--;break;default:if(255===e[t-3]&&e[t-2]>=192&&e[t-2]<=254){t-=3;break}throw new Error("unknown JPEG marker ".concat(o.toString(16)))}o=r()}}},{key:"getResult",value:function(){var e=this.frames;if(0===this.frames.length)throw new Error("no frames were decoded");this.frames.length>1&&console.warn("more than one frame is not supported");for(var t=0;t<this.frames.length;t++)for(var r=this.frames[t].components,n=0,i=Object.keys(r);n<i.length;n++){var a=i[n];r[a].quantizationTable=this.quantizationTables[r[a].quantizationIdx],delete r[a].quantizationIdx}for(var o=e[0],s=o.components,f=o.componentsOrder,l=[],u=o.samplesPerLine,c=o.scanLines,h=0;h<f.length;h++){var d=s[f[h]];l.push({lines:O(0,d),scaleX:d.h/o.maxH,scaleY:d.v/o.maxV})}for(var p=new Uint8Array(u*c*l.length),m=0,v=0;v<c;++v)for(var y=0;y<u;++y)for(var w=0;w<l.length;++w){var g=l[w];p[m]=g.lines[0|v*g.scaleY][0|y*g.scaleX],++m}return p}}]),e}(),C=function(e){p(r,b);var t=T(r);function r(e){var n;return u(this,r),(n=t.call(this)).reader=new M,e.JPEGTables&&n.reader.parse(e.JPEGTables),n}return h(r,[{key:"decodeBlock",value:function(e){return this.reader.resetFrames(),this.reader.parse(new Uint8Array(e)),this.reader.getResult().buffer}}]),r}(),L=Object.freeze({__proto__:null,default:C});function R(e){for(var t=e.length;--t>=0;)e[t]=0}R(new Array(576)),R(new Array(60)),R(new Array(512)),R(new Array(256)),R(new Array(29)),R(new Array(30));var V=function(e,t,r,n){for(var i=65535&e|0,a=e>>>16&65535|0,o=0;0!==r;){r-=o=r>2e3?2e3:r;do{a=a+(i=i+t[n++]|0)|0}while(--o);i%=65521,a%=65521}return i|a<<16|0},G=new Uint32Array(function(){for(var e,t=[],r=0;r<256;r++){e=r;for(var n=0;n<8;n++)e=1&e?3988292384^e>>>1:e>>>1;t[r]=e}return t}()),F=function(e,t,r,n){var i=G,a=n+r;e^=-1;for(var o=n;o<a;o++)e=e>>>8^i[255&(e^t[o])];return-1^e},z={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"},j={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_MEM_ERROR:-4,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8},N=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},Z=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var n=t.shift();if(n){if("object"!==r(n))throw new TypeError(n+"must be non-object");for(var i in n)N(n,i)&&(e[i]=n[i])}}return e},K=function(e){for(var t=0,r=0,n=e.length;r<n;r++)t+=e[r].length;for(var i=new Uint8Array(t),a=0,o=0,s=e.length;a<s;a++){var f=e[a];i.set(f,o),o+=f.length}return i},H=!0;try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(e){H=!1}for(var Y=new Uint8Array(256),X=0;X<256;X++)Y[X]=X>=252?6:X>=248?5:X>=240?4:X>=224?3:X>=192?2:1;Y[254]=Y[254]=1;var W=function(e){if("function"==typeof TextEncoder&&TextEncoder.prototype.encode)return(new TextEncoder).encode(e);var t,r,n,i,a,o=e.length,s=0;for(i=0;i<o;i++)55296==(64512&(r=e.charCodeAt(i)))&&i+1<o&&56320==(64512&(n=e.charCodeAt(i+1)))&&(r=65536+(r-55296<<10)+(n-56320),i++),s+=r<128?1:r<2048?2:r<65536?3:4;for(t=new Uint8Array(s),a=0,i=0;a<s;i++)55296==(64512&(r=e.charCodeAt(i)))&&i+1<o&&56320==(64512&(n=e.charCodeAt(i+1)))&&(r=65536+(r-55296<<10)+(n-56320),i++),r<128?t[a++]=r:r<2048?(t[a++]=192|r>>>6,t[a++]=128|63&r):r<65536?(t[a++]=224|r>>>12,t[a++]=128|r>>>6&63,t[a++]=128|63&r):(t[a++]=240|r>>>18,t[a++]=128|r>>>12&63,t[a++]=128|r>>>6&63,t[a++]=128|63&r);return t},q=function(e,t){var r,n,i=t||e.length;if("function"==typeof TextDecoder&&TextDecoder.prototype.decode)return(new TextDecoder).decode(e.subarray(0,t));var a=new Array(2*i);for(n=0,r=0;r<i;){var o=e[r++];if(o<128)a[n++]=o;else{var s=Y[o];if(s>4)a[n++]=65533,r+=s-1;else{for(o&=2===s?31:3===s?15:7;s>1&&r<i;)o=o<<6|63&e[r++],s--;s>1?a[n++]=65533:o<65536?a[n++]=o:(o-=65536,a[n++]=55296|o>>10&1023,a[n++]=56320|1023&o)}}}return function(e,t){if(t<65534&&e.subarray&&H)return String.fromCharCode.apply(null,e.length===t?e:e.subarray(0,t));for(var r="",n=0;n<t;n++)r+=String.fromCharCode(e[n]);return r}(a,n)},J=function(e,t){(t=t||e.length)>e.length&&(t=e.length);for(var r=t-1;r>=0&&128==(192&e[r]);)r--;return r<0||0===r?t:r+Y[e[r]]>t?r:t};var Q=function(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0},$=function(e,t){var r,n,i,a,o,s,f,l,u,c,h,d,p,m,v,y,w,g,b,k,x,_,A,P,I=e.state;r=e.next_in,A=e.input,n=r+(e.avail_in-5),i=e.next_out,P=e.output,a=i-(t-e.avail_out),o=i+(e.avail_out-257),s=I.dmax,f=I.wsize,l=I.whave,u=I.wnext,c=I.window,h=I.hold,d=I.bits,p=I.lencode,m=I.distcode,v=(1<<I.lenbits)-1,y=(1<<I.distbits)-1;e:do{d<15&&(h+=A[r++]<<d,d+=8,h+=A[r++]<<d,d+=8),w=p[h&v];t:for(;;){if(h>>>=g=w>>>24,d-=g,0===(g=w>>>16&255))P[i++]=65535&w;else{if(!(16&g)){if(0==(64&g)){w=p[(65535&w)+(h&(1<<g)-1)];continue t}if(32&g){I.mode=12;break e}e.msg="invalid literal/length code",I.mode=30;break e}b=65535&w,(g&=15)&&(d<g&&(h+=A[r++]<<d,d+=8),b+=h&(1<<g)-1,h>>>=g,d-=g),d<15&&(h+=A[r++]<<d,d+=8,h+=A[r++]<<d,d+=8),w=m[h&y];r:for(;;){if(h>>>=g=w>>>24,d-=g,!(16&(g=w>>>16&255))){if(0==(64&g)){w=m[(65535&w)+(h&(1<<g)-1)];continue r}e.msg="invalid distance code",I.mode=30;break e}if(k=65535&w,d<(g&=15)&&(h+=A[r++]<<d,(d+=8)<g&&(h+=A[r++]<<d,d+=8)),(k+=h&(1<<g)-1)>s){e.msg="invalid distance too far back",I.mode=30;break e}if(h>>>=g,d-=g,k>(g=i-a)){if((g=k-g)>l&&I.sane){e.msg="invalid distance too far back",I.mode=30;break e}if(x=0,_=c,0===u){if(x+=f-g,g<b){b-=g;do{P[i++]=c[x++]}while(--g);x=i-k,_=P}}else if(u<g){if(x+=f+u-g,(g-=u)<b){b-=g;do{P[i++]=c[x++]}while(--g);if(x=0,u<b){b-=g=u;do{P[i++]=c[x++]}while(--g);x=i-k,_=P}}}else if(x+=u-g,g<b){b-=g;do{P[i++]=c[x++]}while(--g);x=i-k,_=P}for(;b>2;)P[i++]=_[x++],P[i++]=_[x++],P[i++]=_[x++],b-=3;b&&(P[i++]=_[x++],b>1&&(P[i++]=_[x++]))}else{x=i-k;do{P[i++]=P[x++],P[i++]=P[x++],P[i++]=P[x++],b-=3}while(b>2);b&&(P[i++]=P[x++],b>1&&(P[i++]=P[x++]))}break}}break}}while(r<n&&i<o);r-=b=d>>3,h&=(1<<(d-=b<<3))-1,e.next_in=r,e.next_out=i,e.avail_in=r<n?n-r+5:5-(r-n),e.avail_out=i<o?o-i+257:257-(i-o),I.hold=h,I.bits=d},ee=new Uint16Array([3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0]),te=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78]),re=new Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),ne=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]),ie=function(e,t,r,n,i,a,o,s){var f,l,u,c,h,d,p,m,v,y=s.bits,w=0,g=0,b=0,k=0,x=0,_=0,A=0,P=0,I=0,U=0,S=null,T=0,D=new Uint16Array(16),E=new Uint16Array(16),B=null,O=0;for(w=0;w<=15;w++)D[w]=0;for(g=0;g<n;g++)D[t[r+g]]++;for(x=y,k=15;k>=1&&0===D[k];k--);if(x>k&&(x=k),0===k)return i[a++]=20971520,i[a++]=20971520,s.bits=1,0;for(b=1;b<k&&0===D[b];b++);for(x<b&&(x=b),P=1,w=1;w<=15;w++)if(P<<=1,(P-=D[w])<0)return-1;if(P>0&&(0===e||1!==k))return-1;for(E[1]=0,w=1;w<15;w++)E[w+1]=E[w]+D[w];for(g=0;g<n;g++)0!==t[r+g]&&(o[E[t[r+g]]++]=g);if(0===e?(S=B=o,d=19):1===e?(S=ee,T-=257,B=te,O-=257,d=256):(S=re,B=ne,d=-1),U=0,g=0,w=b,h=a,_=x,A=0,u=-1,c=(I=1<<x)-1,1===e&&I>852||2===e&&I>592)return 1;for(;;){p=w-A,o[g]<d?(m=0,v=o[g]):o[g]>d?(m=B[O+o[g]],v=S[T+o[g]]):(m=96,v=0),f=1<<w-A,b=l=1<<_;do{i[h+(U>>A)+(l-=f)]=p<<24|m<<16|v|0}while(0!==l);for(f=1<<w-1;U&f;)f>>=1;if(0!==f?(U&=f-1,U+=f):U=0,g++,0==--D[w]){if(w===k)break;w=t[r+o[g]]}if(w>x&&(U&c)!==u){for(0===A&&(A=x),h+=b,P=1<<(_=w-A);_+A<k&&!((P-=D[_+A])<=0);)_++,P<<=1;if(I+=1<<_,1===e&&I>852||2===e&&I>592)return 1;i[u=U&c]=x<<24|_<<16|h-a|0}}return 0!==U&&(i[h+U]=w-A<<24|64<<16|0),s.bits=x,0},ae=j.Z_FINISH,oe=j.Z_BLOCK,se=j.Z_TREES,fe=j.Z_OK,le=j.Z_STREAM_END,ue=j.Z_NEED_DICT,ce=j.Z_STREAM_ERROR,he=j.Z_DATA_ERROR,de=j.Z_MEM_ERROR,pe=j.Z_BUF_ERROR,me=j.Z_DEFLATED,ve=function(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)};function ye(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}var we,ge,be=function(e){if(!e||!e.state)return ce;var t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=1,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,fe},ke=function(e){if(!e||!e.state)return ce;var t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,be(e)},xe=function(e,t){var r;if(!e||!e.state)return ce;var 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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 @preserve */\nfunction(){var e,t,r,n,i,a,o,s,f,l,u,c,h,d,p,m,v=(e={defaultNoDataValue:-34027999387901484e22,decode:function(a,o){var s=(o=o||{}).encodedMaskData||null===o.encodedMaskData,f=i(a,o.inputOffset||0,s),l=null!==o.noDataValue?o.noDataValue:e.defaultNoDataValue,u=t(f,o.pixelType||Float32Array,o.encodedMaskData,l,o.returnMask),c={width:f.width,height:f.height,pixelData:u.resultPixels,minValue:u.minValue,maxValue:f.pixels.maxValue,noDataValue:l};return u.resultMask&&(c.maskData=u.resultMask),o.returnEncodedMask&&f.mask&&(c.encodedMaskData=f.mask.bitset?f.mask.bitset:null),o.returnFileInfo&&(c.fileInfo=r(f),o.computeUsedBitDepths&&(c.fileInfo.bitDepths=n(f))),c}},t=function(e,t,r,n,i){var o,s,f,l=0,u=e.pixels.numBlocksX,c=e.pixels.numBlocksY,h=Math.floor(e.width/u),d=Math.floor(e.height/c),p=2*e.maxZError,m=Number.MAX_VALUE;r=r||(e.mask?e.mask.bitset:null),s=new t(e.width*e.height),i&&r&&(f=new Uint8Array(e.width*e.height));for(var v,y,w=new Float32Array(h*d),g=0;g<=c;g++){var b=g!==c?d:e.height%c;if(0!==b)for(var k=0;k<=u;k++){var x=k!==u?h:e.width%u;if(0!==x){var _,A,P,I,U=g*e.width*d+k*h,S=e.width-x,T=e.pixels.blocks[l];if(T.encoding<2?(0===T.encoding?_=T.rawData:(a(T.stuffedData,T.bitsPerPixel,T.numValidPixels,T.offset,p,w,e.pixels.maxValue),_=w),A=0):P=2===T.encoding?0:T.offset,r)for(y=0;y<b;y++){for(7&U&&(I=r[U>>3],I<<=7&U),v=0;v<x;v++)7&U||(I=r[U>>3]),128&I?(f&&(f[U]=1),m=m>(o=T.encoding<2?_[A++]:P)?o:m,s[U++]=o):(f&&(f[U]=0),s[U++]=n),I<<=1;U+=S}else if(T.encoding<2)for(y=0;y<b;y++){for(v=0;v<x;v++)m=m>(o=_[A++])?o:m,s[U++]=o;U+=S}else for(m=m>P?P:m,y=0;y<b;y++){for(v=0;v<x;v++)s[U++]=P;U+=S}if(1===T.encoding&&A!==T.numValidPixels)throw"Block and Mask do not match";l++}}}return{resultPixels:s,resultMask:f,minValue:m}},r=function(e){return{fileIdentifierString:e.fileIdentifierString,fileVersion:e.fileVersion,imageType:e.imageType,height:e.height,width:e.width,maxZError:e.maxZError,eofOffset:e.eofOffset,mask:e.mask?{numBlocksX:e.mask.numBlocksX,numBlocksY:e.mask.numBlocksY,numBytes:e.mask.numBytes,maxValue:e.mask.maxValue}:null,pixels:{numBlocksX:e.pixels.numBlocksX,numBlocksY:e.pixels.numBlocksY,numBytes:e.pixels.numBytes,maxValue:e.pixels.maxValue,noDataValue:e.noDataValue}}},n=function(e){for(var t=e.pixels.numBlocksX*e.pixels.numBlocksY,r={},n=0;n<t;n++){var i=e.pixels.blocks[n];0===i.encoding?r.float32=!0:1===i.encoding?r[i.bitsPerPixel]=!0:r[0]=!0}return Object.keys(r)},i=function(e,t,r){var n={},i=new Uint8Array(e,t,10);if(n.fileIdentifierString=String.fromCharCode.apply(null,i),"CntZImage"!==n.fileIdentifierString.trim())throw"Unexpected file identifier string: "+n.fileIdentifierString;t+=10;var a=new DataView(e,t,24);if(n.fileVersion=a.getInt32(0,!0),n.imageType=a.getInt32(4,!0),n.height=a.getUint32(8,!0),n.width=a.getUint32(12,!0),n.maxZError=a.getFloat64(16,!0),t+=24,!r)if(a=new DataView(e,t,16),n.mask={},n.mask.numBlocksY=a.getUint32(0,!0),n.mask.numBlocksX=a.getUint32(4,!0),n.mask.numBytes=a.getUint32(8,!0),n.mask.maxValue=a.getFloat32(12,!0),t+=16,n.mask.numBytes>0){var o=new Uint8Array(Math.ceil(n.width*n.height/8)),s=(a=new DataView(e,t,n.mask.numBytes)).getInt16(0,!0),f=2,l=0;do{if(s>0)for(;s--;)o[l++]=a.getUint8(f++);else{var u=a.getUint8(f++);for(s=-s;s--;)o[l++]=u}s=a.getInt16(f,!0),f+=2}while(f<n.mask.numBytes);if(-32768!==s||l<o.length)throw"Unexpected end of mask RLE encoding";n.mask.bitset=o,t+=n.mask.numBytes}else 0==(n.mask.numBytes|n.mask.numBlocksY|n.mask.maxValue)&&(n.mask.bitset=new Uint8Array(Math.ceil(n.width*n.height/8)));a=new DataView(e,t,16),n.pixels={},n.pixels.numBlocksY=a.getUint32(0,!0),n.pixels.numBlocksX=a.getUint32(4,!0),n.pixels.numBytes=a.getUint32(8,!0),n.pixels.maxValue=a.getFloat32(12,!0),t+=16;var c=n.pixels.numBlocksX,h=n.pixels.numBlocksY,d=c+(n.width%c>0?1:0),p=h+(n.height%h>0?1:0);n.pixels.blocks=new Array(d*p);for(var m=0,v=0;v<p;v++)for(var y=0;y<d;y++){var w=0,g=e.byteLength-t;a=new DataView(e,t,Math.min(10,g));var b={};n.pixels.blocks[m++]=b;var k=a.getUint8(0);if(w++,b.encoding=63&k,b.encoding>3)throw"Invalid block encoding ("+b.encoding+")";if(2!==b.encoding){if(0!==k&&2!==k){if(k>>=6,b.offsetType=k,2===k)b.offset=a.getInt8(1),w++;else if(1===k)b.offset=a.getInt16(1,!0),w+=2;else{if(0!==k)throw"Invalid block offset type";b.offset=a.getFloat32(1,!0),w+=4}if(1===b.encoding)if(k=a.getUint8(w),w++,b.bitsPerPixel=63&k,k>>=6,b.numValidPixelsType=k,2===k)b.numValidPixels=a.getUint8(w),w++;else if(1===k)b.numValidPixels=a.getUint16(w,!0),w+=2;else{if(0!==k)throw"Invalid valid pixel count type";b.numValidPixels=a.getUint32(w,!0),w+=4}}var x;if(t+=w,3!==b.encoding)if(0===b.encoding){var _=(n.pixels.numBytes-1)/4;if(_!==Math.floor(_))throw"uncompressed block has invalid length";x=new ArrayBuffer(4*_),new Uint8Array(x).set(new Uint8Array(e,t,4*_));var A=new Float32Array(x);b.rawData=A,t+=4*_}else if(1===b.encoding){var P=Math.ceil(b.numValidPixels*b.bitsPerPixel/8),I=Math.ceil(P/4);x=new ArrayBuffer(4*I),new Uint8Array(x).set(new Uint8Array(e,t,P)),b.stuffedData=new Uint32Array(x),t+=P}}else t++}return n.eofOffset=t,n},a=function(e,t,r,n,i,a,o){var s,f,l,u=(1<<t)-1,c=0,h=0,d=Math.ceil((o-n)/i),p=4*e.length-Math.ceil(t*r/8);for(e[e.length-1]<<=8*p,s=0;s<r;s++){if(0===h&&(l=e[c++],h=32),h>=t)f=l>>>h-t&u,h-=t;else{var m=t-h;f=(l&u)<<m&u,f+=(l=e[c++])>>>(h=32-m)}a[s]=f<d?n+f*i:o}return a},e),y=(o=function(e,t,r,n,i,a,o,s){var f,l,u,c,h,d=(1<<r)-1,p=0,m=0,v=4*e.length-Math.ceil(r*n/8);if(e[e.length-1]<<=8*v,i)for(f=0;f<n;f++)0===m&&(u=e[p++],m=32),m>=r?(l=u>>>m-r&d,m-=r):(l=(u&d)<<(c=r-m)&d,l+=(u=e[p++])>>>(m=32-c)),t[f]=i[l];else for(h=Math.ceil((s-a)/o),f=0;f<n;f++)0===m&&(u=e[p++],m=32),m>=r?(l=u>>>m-r&d,m-=r):(l=(u&d)<<(c=r-m)&d,l+=(u=e[p++])>>>(m=32-c)),t[f]=l<h?a+l*o:s},s=function(e,t,r,n,i,a){var o,s=(1<<t)-1,f=0,l=0,u=0,c=0,h=0,d=[],p=4*e.length-Math.ceil(t*r/8);e[e.length-1]<<=8*p;var m=Math.ceil((a-n)/i);for(l=0;l<r;l++)0===c&&(o=e[f++],c=32),c>=t?(h=o>>>c-t&s,c-=t):(h=(o&s)<<(u=t-c)&s,h+=(o=e[f++])>>>(c=32-u)),d[l]=h<m?n+h*i:a;return d.unshift(n),d},f=function(e,t,r,n,i,a,o,s){var f,l,u,c,h=(1<<r)-1,d=0,p=0,m=0;if(i)for(f=0;f<n;f++)0===p&&(u=e[d++],p=32,m=0),p>=r?(l=u>>>m&h,p-=r,m+=r):(l=u>>>m&h,p=32-(c=r-p),l|=((u=e[d++])&(1<<c)-1)<<r-c,m=c),t[f]=i[l];else{var v=Math.ceil((s-a)/o);for(f=0;f<n;f++)0===p&&(u=e[d++],p=32,m=0),p>=r?(l=u>>>m&h,p-=r,m+=r):(l=u>>>m&h,p=32-(c=r-p),l|=((u=e[d++])&(1<<c)-1)<<r-c,m=c),t[f]=l<v?a+l*o:s}return t},l=function(e,t,r,n,i,a){var o,s=(1<<t)-1,f=0,l=0,u=0,c=0,h=0,d=0,p=[],m=Math.ceil((a-n)/i);for(l=0;l<r;l++)0===c&&(o=e[f++],c=32,d=0),c>=t?(h=o>>>d&s,c-=t,d+=t):(h=o>>>d&s,c=32-(u=t-c),h|=((o=e[f++])&(1<<u)-1)<<t-u,d=u),p[l]=h<m?n+h*i:a;return p.unshift(n),p},u=function(e,t,r,n){var i,a,o,s,f=(1<<r)-1,l=0,u=0,c=4*e.length-Math.ceil(r*n/8);for(e[e.length-1]<<=8*c,i=0;i<n;i++)0===u&&(o=e[l++],u=32),u>=r?(a=o>>>u-r&f,u-=r):(a=(o&f)<<(s=r-u)&f,a+=(o=e[l++])>>>(u=32-s)),t[i]=a;return t},c=function(e,t,r,n){var i,a,o,s,f=(1<<r)-1,l=0,u=0,c=0;for(i=0;i<n;i++)0===u&&(o=e[l++],u=32,c=0),u>=r?(a=o>>>c&f,u-=r,c+=r):(a=o>>>c&f,u=32-(s=r-u),a|=((o=e[l++])&(1<<s)-1)<<r-s,c=s),t[i]=a;return t},h={HUFFMAN_LUT_BITS_MAX:12,computeChecksumFletcher32:function(e){for(var t=65535,r=65535,n=e.length,i=Math.floor(n/2),a=0;i;){var o=i>=359?359:i;i-=o;do{t+=e[a++]<<8,r+=t+=e[a++]}while(--o);t=(65535&t)+(t>>>16),r=(65535&r)+(r>>>16)}return 1&n&&(r+=t+=e[a]<<8),((r=(65535&r)+(r>>>16))<<16|(t=(65535&t)+(t>>>16)))>>>0},readHeaderInfo:function(e,t){var r=t.ptr,n=new Uint8Array(e,r,6),i={};if(i.fileIdentifierString=String.fromCharCode.apply(null,n),0!==i.fileIdentifierString.lastIndexOf("Lerc2",0))throw"Unexpected file identifier string (expect Lerc2 ): "+i.fileIdentifierString;r+=6;var a,o=new DataView(e,r,8),s=o.getInt32(0,!0);if(i.fileVersion=s,r+=4,s>=3&&(i.checksum=o.getUint32(4,!0),r+=4),o=new DataView(e,r,12),i.height=o.getUint32(0,!0),i.width=o.getUint32(4,!0),r+=8,s>=4?(i.numDims=o.getUint32(8,!0),r+=4):i.numDims=1,o=new DataView(e,r,40),i.numValidPixel=o.getUint32(0,!0),i.microBlockSize=o.getInt32(4,!0),i.blobSize=o.getInt32(8,!0),i.imageType=o.getInt32(12,!0),i.maxZError=o.getFloat64(16,!0),i.zMin=o.getFloat64(24,!0),i.zMax=o.getFloat64(32,!0),r+=40,t.headerInfo=i,t.ptr=r,s>=3&&(a=s>=4?52:48,this.computeChecksumFletcher32(new Uint8Array(e,r-a,i.blobSize-14))!==i.checksum))throw"Checksum failed.";return!0},checkMinMaxRanges:function(e,t){var r=t.headerInfo,n=this.getDataTypeArray(r.imageType),i=r.numDims*this.getDataTypeSize(r.imageType),a=this.readSubArray(e,t.ptr,n,i),o=this.readSubArray(e,t.ptr+i,n,i);t.ptr+=2*i;var s,f=!0;for(s=0;s<r.numDims;s++)if(a[s]!==o[s]){f=!1;break}return r.minValues=a,r.maxValues=o,f},readSubArray:function(e,t,r,n){var i;if(r===Uint8Array)i=new Uint8Array(e,t,n);else{var a=new ArrayBuffer(n);new Uint8Array(a).set(new Uint8Array(e,t,n)),i=new r(a)}return i},readMask:function(e,t){var r,n,i=t.ptr,a=t.headerInfo,o=a.width*a.height,s=a.numValidPixel,f=new DataView(e,i,4),l={};if(l.numBytes=f.getUint32(0,!0),i+=4,(0===s||o===s)&&0!==l.numBytes)throw"invalid mask";if(0===s)r=new Uint8Array(Math.ceil(o/8)),l.bitset=r,n=new Uint8Array(o),t.pixels.resultMask=n,i+=l.numBytes;else if(l.numBytes>0){r=new Uint8Array(Math.ceil(o/8));var u=(f=new DataView(e,i,l.numBytes)).getInt16(0,!0),c=2,h=0,d=0;do{if(u>0)for(;u--;)r[h++]=f.getUint8(c++);else for(d=f.getUint8(c++),u=-u;u--;)r[h++]=d;u=f.getInt16(c,!0),c+=2}while(c<l.numBytes);if(-32768!==u||h<r.length)throw"Unexpected end of mask RLE encoding";n=new Uint8Array(o);var p=0,m=0;for(m=0;m<o;m++)7&m?(p=r[m>>3],p<<=7&m):p=r[m>>3],128&p&&(n[m]=1);t.pixels.resultMask=n,l.bitset=r,i+=l.numBytes}return t.ptr=i,t.mask=l,!0},readDataOneSweep:function(e,t,r,n){var i,a=t.ptr,o=t.headerInfo,s=o.numDims,f=o.width*o.height,l=o.imageType,u=o.numValidPixel*h.getDataTypeSize(l)*s,c=t.pixels.resultMask;if(r===Uint8Array)i=new Uint8Array(e,a,u);else{var d=new ArrayBuffer(u);new Uint8Array(d).set(new 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T,D=k[x],E=1===t.encodeMode,B=new r(y*p),O=B;if(p<2||E){for(T=0;T<p;T++)if(p>1&&(O=new r(B.buffer,y*T,y),S=0),t.headerInfo.numValidPixel===v*m)for(c=0,l=0;l<m;l++)for(u=0;u<v;u++,c++){if(a=0,f=s=D<<_>>>32-A,32-_<A&&(f=s|=k[x+1]>>>64-_-A),g[f])a=g[f][1],_+=g[f][0];else for(f=s=D<<_>>>32-P,32-_<P&&(f=s|=k[x+1]>>>64-_-P),i=b,d=0;d<P;d++)if(!(i=s>>>P-d-1&1?i.right:i.left).left&&!i.right){a=i.val,_=_+d+1;break}_>=32&&(_-=32,D=k[++x]),o=a-I,E?(o+=u>0?S:l>0?O[c-v]:S,o&=255,O[c]=o,S=o):O[c]=o}else for(c=0,l=0;l<m;l++)for(u=0;u<v;u++,c++)if(U[c]){if(a=0,f=s=D<<_>>>32-A,32-_<A&&(f=s|=k[x+1]>>>64-_-A),g[f])a=g[f][1],_+=g[f][0];else for(f=s=D<<_>>>32-P,32-_<P&&(f=s|=k[x+1]>>>64-_-P),i=b,d=0;d<P;d++)if(!(i=s>>>P-d-1&1?i.right:i.left).left&&!i.right){a=i.val,_=_+d+1;break}_>=32&&(_-=32,D=k[++x]),o=a-I,E?(u>0&&U[c-1]?o+=S:l>0&&U[c-v]?o+=O[c-v]:o+=S,o&=255,O[c]=o,S=o):O[c]=o}}else for(c=0,l=0;l<m;l++)for(u=0;u<v;u++)if(c=l*v+u,!U||U[c])for(T=0;T<p;T++,c+=y){if(a=0,f=s=D<<_>>>32-A,32-_<A&&(f=s|=k[x+1]>>>64-_-A),g[f])a=g[f][1],_+=g[f][0];else for(f=s=D<<_>>>32-P,32-_<P&&(f=s|=k[x+1]>>>64-_-P),i=b,d=0;d<P;d++)if(!(i=s>>>P-d-1&1?i.right:i.left).left&&!i.right){a=i.val,_=_+d+1;break}_>=32&&(_-=32,D=k[++x]),o=a-I,O[c]=o}t.ptr=t.ptr+4*(x+1)+(_>0?4:0),t.pixels.resultPixels=B,p>1&&!n&&(t.pixels.resultPixels=h.swapDimensionOrder(B,y,p,r))},decodeBits:function(e,t,r,n,i){var a=t.headerInfo,h=a.fileVersion,d=0,p=e.byteLength-t.ptr>=5?5:e.byteLength-t.ptr,m=new DataView(e,t.ptr,p),v=m.getUint8(0);d++;var y=v>>6,w=0===y?4:3-y,g=(32&v)>0,b=31&v,k=0;if(1===w)k=m.getUint8(d),d++;else if(2===w)k=m.getUint16(d,!0),d+=2;else{if(4!==w)throw"Invalid valid pixel count type";k=m.getUint32(d,!0),d+=4}var x,_,A,P,I,U,S,T,D,E=2*a.maxZError,B=a.numDims>1?a.maxValues[i]:a.zMax;if(g){for(t.counter.lut++,T=m.getUint8(d),d++,P=Math.ceil((T-1)*b/8),I=Math.ceil(P/4),_=new ArrayBuffer(4*I),A=new Uint8Array(_),t.ptr+=d,A.set(new Uint8Array(e,t.ptr,P)),S=new Uint32Array(_),t.ptr+=P,D=0;T-1>>>D;)D++;P=Math.ceil(k*D/8),I=Math.ceil(P/4),_=new ArrayBuffer(4*I),(A=new Uint8Array(_)).set(new Uint8Array(e,t.ptr,P)),x=new Uint32Array(_),t.ptr+=P,U=h>=3?l(S,b,T-1,n,E,B):s(S,b,T-1,n,E,B),h>=3?f(x,r,D,k,U):o(x,r,D,k,U)}else t.counter.bitstuffer++,D=b,t.ptr+=d,D>0&&(P=Math.ceil(k*D/8),I=Math.ceil(P/4),_=new ArrayBuffer(4*I),(A=new Uint8Array(_)).set(new Uint8Array(e,t.ptr,P)),x=new Uint32Array(_),t.ptr+=P,h>=3?null==n?c(x,r,D,k):f(x,r,D,k,!1,n,E,B):null==n?u(x,r,D,k):o(x,r,D,k,!1,n,E,B))},readTiles:function(e,t,r,n){var i=t.headerInfo,a=i.width,o=i.height,s=a*o,f=i.microBlockSize,l=i.imageType,u=h.getDataTypeSize(l),c=Math.ceil(a/f),d=Math.ceil(o/f);t.pixels.numBlocksY=d,t.pixels.numBlocksX=c,t.pixels.ptr=0;var p,m,v,y,w,g,b,k,x,_,A=0,P=0,I=0,U=0,S=0,T=0,D=0,E=0,B=0,O=0,M=0,C=0,L=0,R=0,V=0,G=new r(f*f),F=o%f||f,z=a%f||f,j=i.numDims,N=t.pixels.resultMask,Z=t.pixels.resultPixels,K=i.fileVersion>=5?14:15,H=i.zMax;for(I=0;I<d;I++)for(S=I!==d-1?f:F,U=0;U<c;U++)for(O=I*a*f+U*f,M=a-(T=U!==c-1?f:z),k=0;k<j;k++){if(j>1?(_=Z,O=I*a*f+U*f,Z=new r(t.pixels.resultPixels.buffer,s*k*u,s),H=i.maxValues[k]):_=null,D=e.byteLength-t.ptr,m={},V=0,E=(p=new DataView(e,t.ptr,Math.min(10,D))).getUint8(0),V++,x=i.fileVersion>=5?4&E:0,B=E>>6&255,(E>>2&K)!=(U*f>>3&K))throw"integrity issue";if(x&&0===k)throw"integrity issue";if((w=3&E)>3)throw t.ptr+=V,"Invalid block encoding ("+w+")";if(2!==w)if(0===w){if(x)throw"integrity issue";if(t.counter.uncompressed++,t.ptr+=V,C=(C=S*T*u)<(L=e.byteLength-t.ptr)?C:L,v=new ArrayBuffer(C%u==0?C:C+u-C%u),new Uint8Array(v).set(new Uint8Array(e,t.ptr,C)),y=new r(v),R=0,N)for(A=0;A<S;A++){for(P=0;P<T;P++)N[O]&&(Z[O]=y[R++]),O++;O+=M}else for(A=0;A<S;A++){for(P=0;P<T;P++)Z[O++]=y[R++];O+=M}t.ptr+=R*u}else if(g=h.getDataTypeUsed(x&&l<6?4:l,B),b=h.getOnePixel(m,V,g,p),V+=h.getDataTypeSize(g),3===w)if(t.ptr+=V,t.counter.constantoffset++,N)for(A=0;A<S;A++){for(P=0;P<T;P++)N[O]&&(Z[O]=x?Math.min(H,_[O]+b):b),O++;O+=M}else for(A=0;A<S;A++){for(P=0;P<T;P++)Z[O]=x?Math.min(H,_[O]+b):b,O++;O+=M}else if(t.ptr+=V,h.decodeBits(e,t,G,b,k),V=0,x)if(N)for(A=0;A<S;A++){for(P=0;P<T;P++)N[O]&&(Z[O]=G[V++]+_[O]),O++;O+=M}else for(A=0;A<S;A++){for(P=0;P<T;P++)Z[O]=G[V++]+_[O],O++;O+=M}else if(N)for(A=0;A<S;A++){for(P=0;P<T;P++)N[O]&&(Z[O]=G[V++]),O++;O+=M}else for(A=0;A<S;A++){for(P=0;P<T;P++)Z[O++]=G[V++];O+=M}else{if(x)if(N)for(A=0;A<S;A++)for(P=0;P<T;P++)N[O]&&(Z[O]=_[O]),O++;else for(A=0;A<S;A++)for(P=0;P<T;P++)Z[O]=_[O],O++;t.counter.constant++,t.ptr+=V}}j>1&&!n&&(t.pixels.resultPixels=h.swapDimensionOrder(t.pixels.resultPixels,s,j,r))},formatFileInfo:function(e){return{fileIdentifierString:e.headerInfo.fileIdentifierString,fileVersion:e.headerInfo.fileVersion,imageType:e.headerInfo.imageType,height:e.headerInfo.height,width:e.headerInfo.width,numValidPixel:e.headerInfo.numValidPixel,microBlockSize:e.headerInfo.microBlockSize,blobSize:e.headerInfo.blobSize,maxZError:e.headerInfo.maxZError,pixelType:h.getPixelType(e.headerInfo.imageType),eofOffset:e.eofOffset,mask:e.mask?{numBytes:e.mask.numBytes}:null,pixels:{numBlocksX:e.pixels.numBlocksX,numBlocksY:e.pixels.numBlocksY,maxValue:e.headerInfo.zMax,minValue:e.headerInfo.zMin,noDataValue:e.noDataValue}}},constructConstantSurface:function(e,t){var r=e.headerInfo.zMax,n=e.headerInfo.zMin,i=e.headerInfo.maxValues,a=e.headerInfo.numDims,o=e.headerInfo.height*e.headerInfo.width,s=0,f=0,l=0,u=e.pixels.resultMask,c=e.pixels.resultPixels;if(u)if(a>1){if(t)for(s=0;s<a;s++)for(l=s*o,r=i[s],f=0;f<o;f++)u[f]&&(c[l+f]=r);else for(f=0;f<o;f++)if(u[f])for(l=f*a,s=0;s<a;s++)c[l+a]=i[s]}else for(f=0;f<o;f++)u[f]&&(c[f]=r);else if(a>1&&n!==r)if(t)for(s=0;s<a;s++)for(l=s*o,r=i[s],f=0;f<o;f++)c[l+f]=r;else for(f=0;f<o;f++)for(l=f*a,s=0;s<a;s++)c[l+s]=i[s];else for(f=0;f<o*a;f++)c[f]=r},getDataTypeArray:function(e){var t;switch(e){case 0:t=Int8Array;break;case 1:t=Uint8Array;break;case 2:t=Int16Array;break;case 3:t=Uint16Array;break;case 4:t=Int32Array;break;case 5:t=Uint32Array;break;case 6:default:t=Float32Array;break;case 7:t=Float64Array}return t},getPixelType:function(e){var t;switch(e){case 0:t="S8";break;case 1:t="U8";break;case 2:t="S16";break;case 3:t="U16";break;case 4:t="S32";break;case 5:t="U32";break;case 6:default:t="F32";break;case 7:t="F64"}return t},isValidPixelValue:function(e,t){if(null==t)return!1;var r;switch(e){case 0:r=t>=-128&&t<=127;break;case 1:r=t>=0&&t<=255;break;case 2:r=t>=-32768&&t<=32767;break;case 3:r=t>=0&&t<=65536;break;case 4:r=t>=-2147483648&&t<=2147483647;break;case 5:r=t>=0&&t<=4294967296;break;case 6:r=t>=-34027999387901484e22&&t<=34027999387901484e22;break;case 7:r=t>=-17976931348623157e292&&t<=17976931348623157e292;break;default:r=!1}return r},getDataTypeSize:function(e){var t=0;switch(e){case 0:case 1:t=1;break;case 2:case 3:t=2;break;case 4:case 5:case 6:t=4;break;case 7:t=8;break;default:t=e}return t},getDataTypeUsed:function(e,t){var r=e;switch(e){case 2:case 4:r=e-t;break;case 3:case 5:r=e-2*t;break;case 6:r=0===t?e:1===t?2:1;break;case 7:r=0===t?e:e-2*t+1;break;default:r=e}return r},getOnePixel:function(e,t,r,n){var i=0;switch(r){case 0:i=n.getInt8(t);break;case 1:i=n.getUint8(t);break;case 2:i=n.getInt16(t,!0);break;case 3:i=n.getUint16(t,!0);break;case 4:i=n.getInt32(t,!0);break;case 5:i=n.getUInt32(t,!0);break;case 6:i=n.getFloat32(t,!0);break;case 7:i=n.getFloat64(t,!0);break;default:throw"the decoder does not understand this pixel type"}return i},swapDimensionOrder:function(e,t,r,n,i){var a=0,o=0,s=0,f=0,l=e;if(r>1)if(l=new n(t*r),i)for(a=0;a<t;a++)for(f=a,s=0;s<r;s++,f+=t)l[f]=e[o++];else for(a=0;a<t;a++)for(f=a,s=0;s<r;s++,f+=t)l[o++]=e[f];return l}},d=function(e,t,r){this.val=e,this.left=t,this.right=r},{decode:function(e,t){var r=(t=t||{}).noDataValue,n=0,i={};i.ptr=t.inputOffset||0,i.pixels={},h.readHeaderInfo(e,i);var a=i.headerInfo,o=a.fileVersion,s=h.getDataTypeArray(a.imageType);if(o>5)throw"unsupported lerc version 2."+o;h.readMask(e,i),a.numValidPixel===a.width*a.height||i.pixels.resultMask||(i.pixels.resultMask=t.maskData);var f=a.width*a.height;i.pixels.resultPixels=new s(f*a.numDims),i.counter={onesweep:0,uncompressed:0,lut:0,bitstuffer:0,constant:0,constantoffset:0};var l,u=!t.returnPixelInterleavedDims;if(0!==a.numValidPixel)if(a.zMax===a.zMin)h.constructConstantSurface(i,u);else if(o>=4&&h.checkMinMaxRanges(e,i))h.constructConstantSurface(i,u);else{var c=new DataView(e,i.ptr,2),d=c.getUint8(0);if(i.ptr++,d)h.readDataOneSweep(e,i,s,u);else if(o>1&&a.imageType<=1&&Math.abs(a.maxZError-.5)<1e-5){var p=c.getUint8(1);if(i.ptr++,i.encodeMode=p,p>2||o<4&&p>1)throw"Invalid Huffman flag "+p;p?h.readHuffman(e,i,s,u):h.readTiles(e,i,s,u)}else h.readTiles(e,i,s,u)}i.eofOffset=i.ptr,t.inputOffset?(l=i.headerInfo.blobSize+t.inputOffset-i.ptr,Math.abs(l)>=1&&(i.eofOffset=t.inputOffset+i.headerInfo.blobSize)):(l=i.headerInfo.blobSize-i.ptr,Math.abs(l)>=1&&(i.eofOffset=i.headerInfo.blobSize));var m={width:a.width,height:a.height,pixelData:i.pixels.resultPixels,minValue:a.zMin,maxValue:a.zMax,validPixelCount:a.numValidPixel,dimCount:a.numDims,dimStats:{minValues:a.minValues,maxValues:a.maxValues},maskData:i.pixels.resultMask};if(i.pixels.resultMask&&h.isValidPixelValue(a.imageType,r)){var v=i.pixels.resultMask;for(n=0;n<f;n++)v[n]||(m.pixelData[n]=r);m.noDataValue=r}return i.noDataValue=r,t.returnFileInfo&&(m.fileInfo=h.formatFileInfo(i)),m},getBandCount:function(e){for(var t=0,r=0,n={ptr:0,pixels:{}};r<e.byteLength-58;)h.readHeaderInfo(e,n),r+=n.headerInfo.blobSize,t++,n.ptr=r;return t}}),w=(p=new ArrayBuffer(4),m=new Uint8Array(p),new Uint32Array(p)[0]=1,1===m[0]),g={decode:function(e,t){if(!w)throw"Big endian system is not supported.";var r,n,i=(t=t||{}).inputOffset||0,a=new Uint8Array(e,i,10),o=String.fromCharCode.apply(null,a);if("CntZImage"===o.trim())r=v,n=1;else{if("Lerc2"!==o.substring(0,5))throw"Unexpected file identifier string: "+o;r=y,n=2}for(var s,f,l,u,c,h,d=0,p=e.byteLength-10,m=[],g={width:0,height:0,pixels:[],pixelType:t.pixelType,mask:null,statistics:[]},b=0;i<p;){var k=r.decode(e,{inputOffset:i,encodedMaskData:s,maskData:l,returnMask:0===d,returnEncodedMask:0===d,returnFileInfo:!0,returnPixelInterleavedDims:t.returnPixelInterleavedDims,pixelType:t.pixelType||null,noDataValue:t.noDataValue||null});i=k.fileInfo.eofOffset,l=k.maskData,0===d&&(s=k.encodedMaskData,g.width=k.width,g.height=k.height,g.dimCount=k.dimCount||1,g.pixelType=k.pixelType||k.fileInfo.pixelType,g.mask=l),n>1&&(l&&m.push(l),k.fileInfo.mask&&k.fileInfo.mask.numBytes>0&&b++),d++,g.pixels.push(k.pixelData),g.statistics.push({minValue:k.minValue,maxValue:k.maxValue,noDataValue:k.noDataValue,dimStats:k.dimStats})}if(n>1&&b>1){for(h=g.width*g.height,g.bandMasks=m,(l=new Uint8Array(h)).set(m[0]),u=1;u<m.length;u++)for(f=m[u],c=0;c<h;c++)l[c]=l[c]&f[c];g.maskData=l}return g}};Ke.exports?Ke.exports=g:this.Lerc=g}();var We=Xe.exports,qe={315:"Artist",258:"BitsPerSample",265:"CellLength",264:"CellWidth",320:"ColorMap",259:"Compression",33432:"Copyright",306:"DateTime",338:"ExtraSamples",266:"FillOrder",289:"FreeByteCounts",288:"FreeOffsets",291:"GrayResponseCurve",290:"GrayResponseUnit",316:"HostComputer",270:"ImageDescription",257:"ImageLength",256:"ImageWidth",271:"Make",281:"MaxSampleValue",280:"MinSampleValue",272:"Model",254:"NewSubfileType",274:"Orientation",262:"PhotometricInterpretation",284:"PlanarConfiguration",296:"ResolutionUnit",278:"RowsPerStrip",277:"SamplesPerPixel",305:"Software",279:"StripByteCounts",273:"StripOffsets",255:"SubfileType",263:"Threshholding",282:"XResolution",283:"YResolution",326:"BadFaxLines",327:"CleanFaxData",343:"ClipPath",328:"ConsecutiveBadFaxLines",433:"Decode",434:"DefaultImageColor",269:"DocumentName",336:"DotRange",321:"HalftoneHints",346:"Indexed",347:"JPEGTables",285:"PageName",297:"PageNumber",317:"Predictor",319:"PrimaryChromaticities",532:"ReferenceBlackWhite",339:"SampleFormat",340:"SMinSampleValue",341:"SMaxSampleValue",559:"StripRowCounts",330:"SubIFDs",292:"T4Options",293:"T6Options",325:"TileByteCounts",323:"TileLength",324:"TileOffsets",322:"TileWidth",301:"TransferFunction",318:"WhitePoint",344:"XClipPathUnits",286:"XPosition",529:"YCbCrCoefficients",531:"YCbCrPositioning",530:"YCbCrSubSampling",345:"YClipPathUnits",287:"YPosition",37378:"ApertureValue",40961:"ColorSpace",36868:"DateTimeDigitized",36867:"DateTimeOriginal",34665:"Exif IFD",36864:"ExifVersion",33434:"ExposureTime",41728:"FileSource",37385:"Flash",40960:"FlashpixVersion",33437:"FNumber",42016:"ImageUniqueID",37384:"LightSource",37500:"MakerNote",37377:"ShutterSpeedValue",37510:"UserComment",33723:"IPTC",34675:"ICC Profile",700:"XMP",42112:"GDAL_METADATA",42113:"GDAL_NODATA",34377:"Photoshop",33550:"ModelPixelScale",33922:"ModelTiepoint",34264:"ModelTransformation",34735:"GeoKeyDirectory",34736:"GeoDoubleParams",34737:"GeoAsciiParams",50674:"LercParameters"},Je={};for(var Qe in qe)qe.hasOwnProperty(Qe)&&(Je[qe[Qe]]=parseInt(Qe,10));Je.BitsPerSample,Je.ExtraSamples,Je.SampleFormat,Je.StripByteCounts,Je.StripOffsets,Je.StripRowCounts,Je.TileByteCounts,Je.TileOffsets,Je.SubIFDs;var $e={1:"BYTE",2:"ASCII",3:"SHORT",4:"LONG",5:"RATIONAL",6:"SBYTE",7:"UNDEFINED",8:"SSHORT",9:"SLONG",10:"SRATIONAL",11:"FLOAT",12:"DOUBLE",13:"IFD",16:"LONG8",17:"SLONG8",18:"IFD8"},et={};for(var tt in $e)$e.hasOwnProperty(tt)&&(et[$e[tt]]=parseInt(tt,10));var rt=1,nt=0,it=1,at={1024:"GTModelTypeGeoKey",1025:"GTRasterTypeGeoKey",1026:"GTCitationGeoKey",2048:"GeographicTypeGeoKey",2049:"GeogCitationGeoKey",2050:"GeogGeodeticDatumGeoKey",2051:"GeogPrimeMeridianGeoKey",2052:"GeogLinearUnitsGeoKey",2053:"GeogLinearUnitSizeGeoKey",2054:"GeogAngularUnitsGeoKey",2055:"GeogAngularUnitSizeGeoKey",2056:"GeogEllipsoidGeoKey",2057:"GeogSemiMajorAxisGeoKey",2058:"GeogSemiMinorAxisGeoKey",2059:"GeogInvFlatteningGeoKey",2060:"GeogAzimuthUnitsGeoKey",2061:"GeogPrimeMeridianLongGeoKey",2062:"GeogTOWGS84GeoKey",3072:"ProjectedCSTypeGeoKey",3073:"PCSCitationGeoKey",3074:"ProjectionGeoKey",3075:"ProjCoordTransGeoKey",3076:"ProjLinearUnitsGeoKey",3077:"ProjLinearUnitSizeGeoKey",3078:"ProjStdParallel1GeoKey",3079:"ProjStdParallel2GeoKey",3080:"ProjNatOriginLongGeoKey",3081:"ProjNatOriginLatGeoKey",3082:"ProjFalseEastingGeoKey",3083:"ProjFalseNorthingGeoKey",3084:"ProjFalseOriginLongGeoKey",3085:"ProjFalseOriginLatGeoKey",3086:"ProjFalseOriginEastingGeoKey",3087:"ProjFalseOriginNorthingGeoKey",3088:"ProjCenterLongGeoKey",3089:"ProjCenterLatGeoKey",3090:"ProjCenterEastingGeoKey",3091:"ProjCenterNorthingGeoKey",3092:"ProjScaleAtNatOriginGeoKey",3093:"ProjScaleAtCenterGeoKey",3094:"ProjAzimuthAngleGeoKey",3095:"ProjStraightVertPoleLongGeoKey",3096:"ProjRectifiedGridAngleGeoKey",4096:"VerticalCSTypeGeoKey",4097:"VerticalCitationGeoKey",4098:"VerticalDatumGeoKey",4099:"VerticalUnitsGeoKey"},ot={};for(var st in at)at.hasOwnProperty(st)&&(ot[at[st]]=parseInt(st,10));function ft(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var r,n=v(e);if(t){var i=v(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return m(this,r)}}var lt=function(e){p(r,b);var t=ft(r);function r(e){var n;return u(this,r),(n=t.call(this)).planarConfiguration=void 0!==e.PlanarConfiguration?e.PlanarConfiguration:1,n.samplesPerPixel=void 0!==e.SamplesPerPixel?e.SamplesPerPixel:1,n.addCompression=e.LercParameters[rt],n}return h(r,[{key:"decodeBlock",value:function(e){switch(this.addCompression){case nt:break;case it:e=Fe(new Uint8Array(e)).buffer;break;default:throw new Error("Unsupported LERC additional compression method identifier: 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