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pdfjs-dist
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image_decoders
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pdf.image_decoders.min.js

pdf.image_decoders.min.js 158 KB
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  1. /**
    2. 

  2.  * @licstart The following is the entire license notice for the
    3. 

  3.  * Javascript code in this page
    4. 

  4.  *
    5. 

  5.  * Copyright 2021 Mozilla Foundation
    6. 

  6.  *
    7. 

  7.  * Licensed under the Apache License, Version 2.0 (the "License");
    8. 

  8.  * you may not use this file except in compliance with the License.
    9. 

  9.  * You may obtain a copy of the License at
    10. 

  10.  *
    11. 

  11.  *     http://www.apache.org/licenses/LICENSE-2.0
    12. 

  12.  *
    13. 

  13.  * Unless required by applicable law or agreed to in writing, software
    14. 

  14.  * distributed under the License is distributed on an "AS IS" BASIS,
    15. 

  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16. 

  16.  * See the License for the specific language governing permissions and
    17. 

  17.  * limitations under the License.
    18. 

  18.  *
    19. 

  19.  * @licend The above is the entire license notice for the
    20. 

  20.  * Javascript code in this page
    21. 

  21.  */
    22. 

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T=0;T<6&&P[T]===t[x+T];)T++;if(6===T){i.length=x+6;break}}if(4294967295===i.length)throw new u("segment end was not found")}i.headerEnd=v;return i}function readSegments(t,r,i,o){for(var a=[],c=i;c<o;){var l=readSegmentHeader(r,c);c=l.headerEnd;var u={header:l,data:r};if(!t.randomAccess){u.start=c;c+=l.length;u.end=c}a.push(u);if(51===l.type)break}if(t.randomAccess)for(var h=0,d=a.length;h<d;h++){a[h].start=c;c+=a[h].header.length;a[h].end=c}return a}function readRegionSegmentInformation(t,r){return{width:(0,a.readUint32)(t,r),height:(0,a.readUint32)(t,r+4),x:(0,a.readUint32)(t,r+8),y:(0,a.readUint32)(t,r+12),combinationOperator:7&t[r+16]}}var b=17;function processSegment(t,r){var i,o,c,l,h=t.header,d=t.data,p=t.end,y=t.start;switch(h.type){case 0:var v={},g=(0,a.readUint16)(d,y);v.huffman=!!(1&g);v.refinement=!!(2&g);v.huffmanDHSelector=g>>2&3;v.huffmanDWSelector=g>>4&3;v.bitmapSizeSelector=g>>6&1;v.aggregationInstancesSelector=g>>7&1;v.bitmapCodingContextUsed=!!(256&g);v.bitmapCodingContextRetained=!!(512&g);v.template=g>>10&3;v.refinementTemplate=g>>12&1;y+=2;if(!v.huffman){l=0===v.template?4:1;o=[];for(c=0;c<l;c++){o.push({x:(0,a.readInt8)(d,y),y:(0,a.readInt8)(d,y+1)});y+=2}v.at=o}if(v.refinement&&!v.refinementTemplate){o=[];for(c=0;c<2;c++){o.push({x:(0,a.readInt8)(d,y),y:(0,a.readInt8)(d,y+1)});y+=2}v.refinementAt=o}v.numberOfExportedSymbols=(0,a.readUint32)(d,y);y+=4;v.numberOfNewSymbols=(0,a.readUint32)(d,y);y+=4;i=[v,h.number,h.referredTo,d,y,p];break;case 6:case 7:var m={};m.info=readRegionSegmentInformation(d,y);y+=b;var x=(0,a.readUint16)(d,y);y+=2;m.huffman=!!(1&x);m.refinement=!!(2&x);m.logStripSize=x>>2&3;m.stripSize=1<<m.logStripSize;m.referenceCorner=x>>4&3;m.transposed=!!(64&x);m.combinationOperator=x>>7&3;m.defaultPixelValue=x>>9&1;m.dsOffset=x<<17>>27;m.refinementTemplate=x>>15&1;if(m.huffman){var _=(0,a.readUint16)(d,y);y+=2;m.huffmanFS=3&_;m.huffmanDS=_>>2&3;m.huffmanDT=_>>4&3;m.huffmanRefinementDW=_>>6&3;m.huffmanRefinementDH=_>>8&3;m.huffmanRefinementDX=_>>10&3;m.huffmanRefinementDY=_>>12&3;m.huffmanRefinementSizeSelector=!!(16384&_)}if(m.refinement&&!m.refinementTemplate){o=[];for(c=0;c<2;c++){o.push({x:(0,a.readInt8)(d,y),y:(0,a.readInt8)(d,y+1)});y+=2}m.refinementAt=o}m.numberOfSymbolInstances=(0,a.readUint32)(d,y);y+=4;i=[m,h.referredTo,d,y,p];break;case 16:var w={},C=d[y++];w.mmr=!!(1&C);w.template=C>>1&3;w.patternWidth=d[y++];w.patternHeight=d[y++];w.maxPatternIndex=(0,a.readUint32)(d,y);y+=4;i=[w,h.number,d,y,p];break;case 22:case 23:var k={};k.info=readRegionSegmentInformation(d,y);y+=b;var S=d[y++];k.mmr=!!(1&S);k.template=S>>1&3;k.enableSkip=!!(8&S);k.combinationOperator=S>>4&7;k.defaultPixelValue=S>>7&1;k.gridWidth=(0,a.readUint32)(d,y);y+=4;k.gridHeight=(0,a.readUint32)(d,y);y+=4;k.gridOffsetX=4294967295&(0,a.readUint32)(d,y);y+=4;k.gridOffsetY=4294967295&(0,a.readUint32)(d,y);y+=4;k.gridVectorX=(0,a.readUint16)(d,y);y+=2;k.gridVectorY=(0,a.readUint16)(d,y);y+=2;i=[k,h.referredTo,d,y,p];break;case 38:case 39:var P={};P.info=readRegionSegmentInformation(d,y);y+=b;var T=d[y++];P.mmr=!!(1&T);P.template=T>>1&3;P.prediction=!!(8&T);if(!P.mmr){l=0===P.template?4:1;o=[];for(c=0;c<l;c++){o.push({x:(0,a.readInt8)(d,y),y:(0,a.readInt8)(d,y+1)});y+=2}P.at=o}i=[P,d,y,p];break;case 48:var I={width:(0,a.readUint32)(d,y),height:(0,a.readUint32)(d,y+4),resolutionX:(0,a.readUint32)(d,y+8),resolutionY:(0,a.readUint32)(d,y+12)};4294967295===I.height&&delete I.height;var O=d[y+16];(0,a.readUint16)(d,y+17);I.lossless=!!(1&O);I.refinement=!!(2&O);I.defaultPixelValue=O>>2&1;I.combinationOperator=O>>3&3;I.requiresBuffer=!!(32&O);I.combinationOperatorOverride=!!(64&O);i=[I];break;case 49:case 50:case 51:break;case 53:i=[h.number,d,y,p];break;case 62:break;default:throw new u("segment type ".concat(h.typeName,"(").concat(h.type,")")+" is not implemented")}var E="on"+h.typeName;E in r&&r[E].apply(r,i)}function processSegments(t,r){for(var i=0,o=t.length;i<o;i++)processSegment(t[i],r)}var x=function(){function SimpleSegmentVisitor(){_classCallCheck(this,SimpleSegmentVisitor)}_createClass(SimpleSegmentVisitor,[{key:"onPageInformation",value:function onPageInformation(t){this.currentPageInfo=t;var r=t.width+7>>3,i=new Uint8ClampedArray(r*t.height);if(t.defaultPixelValue)for(var o=0,a=i.length;o<a;o++)i[o]=255;this.buffer=i}},{key:"drawBitmap",value:function drawBitmap(t,r){var i,o,a,c,l=this.currentPageInfo,h=t.width,d=t.height,p=l.width+7>>3,y=l.combinationOperatorOverride?t.combinationOperator:l.combinationOperator,v=this.buffer,g=128>>(7&t.x),m=t.y*p+(t.x>>3);switch(y){case 0:for(i=0;i<d;i++){a=g;c=m;for(o=0;o<h;o++){r[i][o]&&(v[c]|=a);if(!(a>>=1)){a=128;c++}}m+=p}break;case 2:for(i=0;i<d;i++){a=g;c=m;for(o=0;o<h;o++){r[i][o]&&(v[c]^=a);if(!(a>>=1)){a=128;c++}}m+=p}break;default:throw new u("operator ".concat(y," is not supported"))}}},{key:"onImmediateGenericRegion",value:function onImmediateGenericRegion(t,r,i,o){var a=t.info,c=new d(r,i,o),l=decodeBitmap(t.mmr,a.width,a.height,t.template,t.prediction,null,t.at,c);this.drawBitmap(a,l)}},{key:"onImmediateLosslessGenericRegion",value:function onImmediateLosslessGenericRegion(){this.onImmediateGenericRegion.apply(this,arguments)}},{key:"onSymbolDictionary",value:function onSymbolDictionary(t,r,i,o,c,l){var h,p;if(t.huffman){h=function getSymbolDictionaryHuffmanTables(t,r,i){var o,a,c,l,h=0;switch(t.huffmanDHSelector){case 0:case 1:o=getStandardTable(t.huffmanDHSelector+4);break;case 3:o=getCustomHuffmanTable(h,r,i);h++;break;default:throw new u("invalid Huffman DH selector")}switch(t.huffmanDWSelector){case 0:case 1:a=getStandardTable(t.huffmanDWSelector+2);break;case 3:a=getCustomHuffmanTable(h,r,i);h++;break;default:throw new u("invalid Huffman DW selector")}if(t.bitmapSizeSelector){c=getCustomHuffmanTable(h,r,i);h++}else c=getStandardTable(1);l=t.aggregationInstancesSelector?getCustomHuffmanTable(h,r,i):getStandardTable(1);return{tableDeltaHeight:o,tableDeltaWidth:a,tableBitmapSize:c,tableAggregateInstances:l}}(t,i,this.customTables);p=new S(o,c,l)}var y=this.symbols;y||(this.symbols=y={});for(var v=[],g=0,m=i.length;g<m;g++){var b=y[i[g]];b&&(v=v.concat(b))}var x=new d(o,c,l);y[r]=function decodeSymbolDictionary(t,r,i,o,c,l,h,d,p,y,v,g){if(t&&r)throw new u("symbol refinement with Huffman is not supported");var m,b,x=[],_=0,w=(0,a.log2)(i.length+o),C=v.decoder,k=v.contextCache;if(t){m=getStandardTable(1);b=[];w=Math.max(w,1)}for(;x.length<o;){_+=t?l.tableDeltaHeight.decode(g):decodeInteger(k,"IADH",C);for(var S=0,P=0,T=t?b.length:0;;){var I=t?l.tableDeltaWidth.decode(g):decodeInteger(k,"IADW",C);if(null===I)break;P+=S+=I;var O=void 0;if(r){var E=decodeInteger(k,"IAAI",C);if(E>1)O=decodeTextRegion(t,r,S,_,0,E,1,i.concat(x),w,0,0,1,0,l,p,y,v,0,g);else{var A=decodeIAID(k,C,w),R=decodeInteger(k,"IARDX",C),B=decodeInteger(k,"IARDY",C);O=decodeRefinement(S,_,p,A<i.length?i[A]:x[A-i.length],R,B,!1,y,v)}x.push(O)}else if(t)b.push(S);else{O=decodeBitmap(!1,S,_,h,!1,null,d,v);x.push(O)}}if(t&&!r){var D=l.tableBitmapSize.decode(g);g.byteAlign();var L=void 0;if(0===D)L=readUncompressedBitmap(g,P,_);else{var M=g.end,U=g.position+D;g.end=U;L=decodeMMRBitmap(g,P,_,!1);g.end=M;g.position=U}var N=b.length;if(T===N-1)x.push(L);else{var j=void 0,H=void 0,z=0,X=void 0,G=void 0;for(j=T;j<N;j++){X=z+b[j];G=[];for(H=0;H<_;H++)G.push(L[H].subarray(z,X));x.push(G);z=X}}}}for(var Y,q,J=[],W=[],V=!1,K=i.length+o;W.length<K;){for(var Q=t?m.decode(g):decodeInteger(k,"IAEX",C);Q--;)W.push(V);V=!V}for(Y=0,q=i.length;Y<q;Y++)W[Y]&&J.push(i[Y]);for(var Z=0;Z<o;Y++,Z++)W[Y]&&J.push(x[Z]);return J}(t.huffman,t.refinement,v,t.numberOfNewSymbols,t.numberOfExportedSymbols,h,t.template,t.at,t.refinementTemplate,t.refinementAt,x,p)}},{key:"onImmediateTextRegion",value:function onImmediateTextRegion(t,r,i,o,c){for(var l,h,p=t.info,y=this.symbols,v=[],g=0,m=r.length;g<m;g++){var b=y[r[g]];b&&(v=v.concat(b))}var x=(0,a.log2)(v.length);if(t.huffman){h=new S(i,o,c);l=function getTextRegionHuffmanTables(t,r,i,o,a){for(var c=[],l=0;l<=34;l++){var h=a.readBits(4);c.push(new _([l,h,0,0]))}var d=new C(c,!1);c.length=0;for(var p=0;p<o;){var y=d.decode(a);if(y>=32){var v=void 0,g=void 0,m=void 0;switch(y){case 32:if(0===p)throw new u("no previous value in symbol ID table");g=a.readBits(2)+3;v=c[p-1].prefixLength;break;case 33:g=a.readBits(3)+3;v=0;break;case 34:g=a.readBits(7)+11;v=0;break;default:throw new u("invalid code length in symbol ID table")}for(m=0;m<g;m++){c.push(new _([p,v,0,0]));p++}}else{c.push(new _([p,y,0,0]));p++}}a.byteAlign();var b,x,w,k=new C(c,!1),S=0;switch(t.huffmanFS){case 0:case 1:b=getStandardTable(t.huffmanFS+6);break;case 3:b=getCustomHuffmanTable(S,r,i);S++;break;default:throw new u("invalid Huffman FS selector")}switch(t.huffmanDS){case 0:case 1:case 2:x=getStandardTable(t.huffmanDS+8);break;case 3:x=getCustomHuffmanTable(S,r,i);S++;break;default:throw new u("invalid Huffman DS selector")}switch(t.huffmanDT){case 0:case 1:case 2:w=getStandardTable(t.huffmanDT+11);break;case 3:w=getCustomHuffmanTable(S,r,i);S++;break;default:throw new u("invalid Huffman DT selector")}if(t.refinement)throw new u("refinement with Huffman is not supported");return{symbolIDTable:k,tableFirstS:b,tableDeltaS:x,tableDeltaT:w}}(t,r,this.customTables,v.length,h)}var w=new d(i,o,c),k=decodeTextRegion(t.huffman,t.refinement,p.width,p.height,t.defaultPixelValue,t.numberOfSymbolInstances,t.stripSize,v,x,t.transposed,t.dsOffset,t.referenceCorner,t.combinationOperator,l,t.refinementTemplate,t.refinementAt,w,t.logStripSize,h);this.drawBitmap(p,k)}},{key:"onImmediateLosslessTextRegion",value:function onImmediateLosslessTextRegion(){this.onImmediateTextRegion.apply(this,arguments)}},{key:"onPatternDictionary",value:function onPatternDictionary(t,r,i,o,a){var c=this.patterns;c||(this.patterns=c={});var l=new d(i,o,a);c[r]=function decodePatternDictionary(t,r,i,o,a,c){var l=[];if(!t){l.push({x:-r,y:0});0===a&&l.push({x:-3,y:-1},{x:2,y:-2},{x:-2,y:-2})}for(var u=decodeBitmap(t,(o+1)*r,i,a,!1,null,l,c),h=[],d=0;d<=o;d++){for(var p=[],y=r*d,v=y+r,g=0;g<i;g++)p.push(u[g].subarray(y,v));h.push(p)}return h}(t.mmr,t.patternWidth,t.patternHeight,t.maxPatternIndex,t.template,l)}},{key:"onImmediateHalftoneRegion",value:function onImmediateHalftoneRegion(t,r,i,o,c){var l=this.patterns[r[0]],h=t.info,p=new d(i,o,c),y=function decodeHalftoneRegion(t,r,i,o,c,l,h,d,p,y,v,g,m,b,x){if(h)throw new u("skip is not supported");if(0!==d)throw new u('operator "'.concat(d,'" is not supported in halftone region'));var _,w,C,k=[];for(_=0;_<c;_++){C=new Uint8Array(o);if(l)for(w=0;w<o;w++)C[w]=l;k.push(C)}var P=r.length,T=r[0],I=T[0].length,O=T.length,E=(0,a.log2)(P),A=[];if(!t){A.push({x:i<=1?3:2,y:-1});0===i&&A.push({x:-3,y:-1},{x:2,y:-2},{x:-2,y:-2})}var R,B,D,L,M,U,N,j,H,z,X,G=[];t&&(R=new S(x.data,x.start,x.end));for(_=E-1;_>=0;_--){B=t?decodeMMRBitmap(R,p,y,!0):decodeBitmap(!1,p,y,i,!1,null,A,x);G[_]=B}for(D=0;D<y;D++)for(L=0;L<p;L++){M=0;U=0;for(w=E-1;w>=0;w--)U|=(M=G[w][D][L]^M)<<w;N=r[U];H=g+D*m-L*b>>8;if((j=v+D*b+L*m>>8)>=0&&j+I<=o&&H>=0&&H+O<=c)for(_=0;_<O;_++){X=k[H+_];z=N[_];for(w=0;w<I;w++)X[j+w]|=z[w]}else{var Y=void 0,q=void 0;for(_=0;_<O;_++)if(!((q=H+_)<0||q>=c)){X=k[q];z=N[_];for(w=0;w<I;w++)(Y=j+w)>=0&&Y<o&&(X[Y]|=z[w])}}}return k}(t.mmr,l,t.template,h.width,h.height,t.defaultPixelValue,t.enableSkip,t.combinationOperator,t.gridWidth,t.gridHeight,t.gridOffsetX,t.gridOffsetY,t.gridVectorX,t.gridVectorY,p);this.drawBitmap(h,y)}},{key:"onImmediateLosslessHalftoneRegion",value:function onImmediateLosslessHalftoneRegion(){this.onImmediateHalftoneRegion.apply(this,arguments)}},{key:"onTables",value:function onTables(t,r,i,o){var c=this.customTables;c||(this.customTables=c={});c[t]=function decodeTablesSegment(t,r,i){var o,c,l=t[r],u=4294967295&(0,a.readUint32)(t,r+1),h=4294967295&(0,a.readUint32)(t,r+5),d=new S(t,r+9,i),p=1+(l>>1&7),y=1+(l>>4&7),v=[],g=u;do{o=d.readBits(p);c=d.readBits(y);v.push(new _([g,o,c,0]));g+=1<<c}while(g<h);o=d.readBits(p);v.push(new _([u-1,o,32,0,"lower"]));o=d.readBits(p);v.push(new _([h,o,32,0]));if(1&l){o=d.readBits(p);v.push(new _([o,0]))}return new C(v,!1)}(r,i,o)}}]);return SimpleSegmentVisitor}(),_=function HuffmanLine(t){_classCallCheck(this,HuffmanLine);if(2===t.length){this.isOOB=!0;this.rangeLow=0;this.prefixLength=t[0];this.rangeLength=0;this.prefixCode=t[1];this.isLowerRange=!1}else{this.isOOB=!1;this.rangeLow=t[0];this.prefixLength=t[1];this.rangeLength=t[2];this.prefixCode=t[3];this.isLowerRange="lower"===t[4]}},w=function(){function HuffmanTreeNode(t){_classCallCheck(this,HuffmanTreeNode);this.children=[];if(t){this.isLeaf=!0;this.rangeLength=t.rangeLength;this.rangeLow=t.rangeLow;this.isLowerRange=t.isLowerRange;this.isOOB=t.isOOB}else this.isLeaf=!1}_createClass(HuffmanTreeNode,[{key:"buildTree",value:function buildTree(t,r){var i=t.prefixCode>>r&1;if(r<=0)this.children[i]=new HuffmanTreeNode(t);else{var o=this.children[i];o||(this.children[i]=o=new HuffmanTreeNode(null));o.buildTree(t,r-1)}}},{key:"decodeNode",value:function decodeNode(t){if(this.isLeaf){if(this.isOOB)return null;var r=t.readBits(this.rangeLength);return this.rangeLow+(this.isLowerRange?-r:r)}var i=this.children[t.readBit()];if(!i)throw new u("invalid Huffman data");return i.decodeNode(t)}}]);return HuffmanTreeNode}(),C=function(){function HuffmanTable(t,r){_classCallCheck(this,HuffmanTable);r||this.assignPrefixCodes(t);this.rootNode=new w(null);for(var i=0,o=t.length;i<o;i++){var a=t[i];a.prefixLength>0&&this.rootNode.buildTree(a,a.prefixLength-1)}}_createClass(HuffmanTable,[{key:"decode",value:function decode(t){return this.rootNode.decodeNode(t)}},{key:"assignPrefixCodes",value:function assignPrefixCodes(t){for(var r=t.length,i=0,o=0;o<r;o++)i=Math.max(i,t[o].prefixLength);for(var a=new Uint32Array(i+1),c=0;c<r;c++)a[t[c].prefixLength]++;var l,u,h,d=1,p=0;a[0]=0;for(;d<=i;){l=p=p+a[d-1]<<1;u=0;for(;u<r;){if((h=t[u]).prefixLength===d){h.prefixCode=l;l++}u++}d++}}}]);return HuffmanTable}();var k={};function getStandardTable(t){var r,i=k[t];if(i)return i;switch(t){case 1:r=[[0,1,4,0],[16,2,8,2],[272,3,16,6],[65808,3,32,7]];break;case 2:r=[[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[75,6,32,62],[6,63]];break;case 3:r=[[-256,8,8,254],[0,1,0,0],[1,2,0,2],[2,3,0,6],[3,4,3,14],[11,5,6,30],[-257,8,32,255,"lower"],[75,7,32,126],[6,62]];break;case 4:r=[[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[76,5,32,31]];break;case 5:r=[[-255,7,8,126],[1,1,0,0],[2,2,0,2],[3,3,0,6],[4,4,3,14],[12,5,6,30],[-256,7,32,127,"lower"],[76,6,32,62]];break;case 6:r=[[-2048,5,10,28],[-1024,4,9,8],[-512,4,8,9],[-256,4,7,10],[-128,5,6,29],[-64,5,5,30],[-32,4,5,11],[0,2,7,0],[128,3,7,2],[256,3,8,3],[512,4,9,12],[1024,4,10,13],[-2049,6,32,62,"lower"],[2048,6,32,63]];break;case 7:r=[[-1024,4,9,8],[-512,3,8,0],[-256,4,7,9],[-128,5,6,26],[-64,5,5,27],[-32,4,5,10],[0,4,5,11],[32,5,5,28],[64,5,6,29],[128,4,7,12],[256,3,8,1],[512,3,9,2],[1024,3,10,3],[-1025,5,32,30,"lower"],[2048,5,32,31]];break;case 8:r=[[-15,8,3,252],[-7,9,1,508],[-5,8,1,253],[-3,9,0,509],[-2,7,0,124],[-1,4,0,10],[0,2,1,0],[2,5,0,26],[3,6,0,58],[4,3,4,4],[20,6,1,59],[22,4,4,11],[38,4,5,12],[70,5,6,27],[134,5,7,28],[262,6,7,60],[390,7,8,125],[646,6,10,61],[-16,9,32,510,"lower"],[1670,9,32,511],[2,1]];break;case 9:r=[[-31,8,4,252],[-15,9,2,508],[-11,8,2,253],[-7,9,1,509],[-5,7,1,124],[-3,4,1,10],[-1,3,1,2],[1,3,1,3],[3,5,1,26],[5,6,1,58],[7,3,5,4],[39,6,2,59],[43,4,5,11],[75,4,6,12],[139,5,7,27],[267,5,8,28],[523,6,8,60],[779,7,9,125],[1291,6,11,61],[-32,9,32,510,"lower"],[3339,9,32,511],[2,0]];break;case 10:r=[[-21,7,4,122],[-5,8,0,252],[-4,7,0,123],[-3,5,0,24],[-2,2,2,0],[2,5,0,25],[3,6,0,54],[4,7,0,124],[5,8,0,253],[6,2,6,1],[70,5,5,26],[102,6,5,55],[134,6,6,56],[198,6,7,57],[326,6,8,58],[582,6,9,59],[1094,6,10,60],[2118,7,11,125],[-22,8,32,254,"lower"],[4166,8,32,255],[2,2]];break;case 11:r=[[1,1,0,0],[2,2,1,2],[4,4,0,12],[5,4,1,13],[7,5,1,28],[9,5,2,29],[13,6,2,60],[17,7,2,122],[21,7,3,123],[29,7,4,124],[45,7,5,125],[77,7,6,126],[141,7,32,127]];break;case 12:r=[[1,1,0,0],[2,2,0,2],[3,3,1,6],[5,5,0,28],[6,5,1,29],[8,6,1,60],[10,7,0,122],[11,7,1,123],[13,7,2,124],[17,7,3,125],[25,7,4,126],[41,8,5,254],[73,8,32,255]];break;case 13:r=[[1,1,0,0],[2,3,0,4],[3,4,0,12],[4,5,0,28],[5,4,1,13],[7,3,3,5],[15,6,1,58],[17,6,2,59],[21,6,3,60],[29,6,4,61],[45,6,5,62],[77,7,6,126],[141,7,32,127]];break;case 14:r=[[-2,3,0,4],[-1,3,0,5],[0,1,0,0],[1,3,0,6],[2,3,0,7]];break;case 15:r=[[-24,7,4,124],[-8,6,2,60],[-4,5,1,28],[-2,4,0,12],[-1,3,0,4],[0,1,0,0],[1,3,0,5],[2,4,0,13],[3,5,1,29],[5,6,2,61],[9,7,4,125],[-25,7,32,126,"lower"],[25,7,32,127]];break;default:throw new u("standard table B.".concat(t," does not exist"))}for(var o=0,a=r.length;o<a;o++)r[o]=new _(r[o]);i=new C(r,!0);k[t]=i;return i}var S=function(){function Reader(t,r,i){_classCallCheck(this,Reader);this.data=t;this.start=r;this.end=i;this.position=r;this.shift=-1;this.currentByte=0}_createClass(Reader,[{key:"readBit",value:function readBit(){if(this.shift<0){if(this.position>=this.end)throw new u("end of data while reading bit");this.currentByte=this.data[this.position++];this.shift=7}var t=this.currentByte>>this.shift&1;this.shift--;return 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tryCatch(t,r,i){try{return{type:"normal",arg:t.call(r,i)}}catch(t){return{type:"throw",arg:t}}}var h="suspendedStart",d="suspendedYield",p="executing",y="completed",v={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var g={};g[c]=function(){return this};var m=Object.getPrototypeOf,b=m&&m(m(values([])));b&&b!==i&&o.call(b,c)&&(g=b);var x=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(g);GeneratorFunction.prototype=x.constructor=GeneratorFunctionPrototype;GeneratorFunctionPrototype.constructor=GeneratorFunction;GeneratorFunction.displayName=define(GeneratorFunctionPrototype,u,"GeneratorFunction");function defineIteratorMethods(t){["next","throw","return"].forEach((function(r){define(t,r,(function(t){return this._invoke(r,t)}))}))}t.isGeneratorFunction=function(t){var r="function"==typeof 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i=this.tryEntries[r];if(i.finallyLoc===t){this.complete(i.completion,i.afterLoc);resetTryEntry(i);return v}}},catch:function _catch(t){for(var r=this.tryEntries.length-1;r>=0;--r){var i=this.tryEntries[r];if(i.tryLoc===t){var o=i.completion;if("throw"===o.type){var a=o.arg;resetTryEntry(i)}return a}}throw new Error("illegal catch attempt")},delegateYield:function delegateYield(t,i,o){this.delegate={iterator:values(t),resultName:i,nextLoc:o};"next"===this.method&&(this.arg=r);return v}};return t}("object"===_typeof(t=i.nmd(t))?t.exports:{});try{regeneratorRuntime=o}catch(t){Function("r","regeneratorRuntime = r")(o)}},(t,r,i)=>{"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.BaseStream=void 0;var o=i(1);function _defineProperties(t,r){for(var i=0;i<r.length;i++){var o=r[i];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}var a=function(){function BaseStream(){!function _classCallCheck(t,r){if(!(t instanceof 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i=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}],o=function(){function ArithmeticDecoder(t,r,i){!function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}(this,ArithmeticDecoder);this.data=t;this.bp=r;this.dataEnd=i;this.chigh=t[r];this.clow=0;this.byteIn();this.chigh=this.chigh<<7&65535|this.clow>>9&127;this.clow=this.clow<<7&65535;this.ct-=7;this.a=32768}!function _createClass(t,r,i){r&&_defineProperties(t.prototype,r);i&&_defineProperties(t,i);return t}(ArithmeticDecoder,[{key:"byteIn",value:function byteIn(){var t=this.data,r=this.bp;if(255===t[r])if(t[r+1]>143){this.clow+=65280;this.ct=8}else{r++;this.clow+=t[r]<<9;this.ct=7;this.bp=r}else{r++;this.clow+=r<this.dataEnd?t[r]<<8:65280;this.ct=8;this.bp=r}if(this.clow>65535){this.chigh+=this.clow>>16;this.clow&=65535}}},{key:"readBit",value:function readBit(t,r){var o,a=t[r]>>1,c=1&t[r],l=i[a],u=l.qe,h=this.a-u;if(this.chigh<u)if(h<u){h=u;o=c;a=l.nmps}else{h=u;o=1^c;1===l.switchFlag&&(c=o);a=l.nlps}else{this.chigh-=u;if(0!=(32768&h)){this.a=h;return c}if(h<u){o=1^c;1===l.switchFlag&&(c=o);a=l.nlps}else{o=c;a=l.nmps}}do{0===this.ct&&this.byteIn();h<<=1;this.chigh=this.chigh<<1&65535|this.clow>>15&1;this.clow=this.clow<<1&65535;this.ct--}while(0==(32768&h));this.a=h;t[r]=a<<1|c;return o}}]);return ArithmeticDecoder}();r.ArithmeticDecoder=o},(t,r,i)=>{"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.CCITTFaxDecoder=void 0;var o=i(1);function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _defineProperties(t,r){for(var i=0;i<r.length;i++){var o=r[i];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}var a=-1,c=[[-1,-1],[-1,-1],[7,8],[7,7],[6,6],[6,6],[6,5],[6,5],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[4,0],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[3,3],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2],[1,2]],l=[[-1,-1],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[12,1984],[12,2048],[12,2112],[12,2176],[12,2240],[12,2304],[11,1856],[11,1856],[11,1920],[11,1920],[12,2368],[12,2432],[12,2496],[12,2560]],u=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[8,29],[8,29],[8,30],[8,30],[8,45],[8,45],[8,46],[8,46],[7,22],[7,22],[7,22],[7,22],[7,23],[7,23],[7,23],[7,23],[8,47],[8,47],[8,48],[8,48],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[6,13],[7,20],[7,20],[7,20],[7,20],[8,33],[8,33],[8,34],[8,34],[8,35],[8,35],[8,36],[8,36],[8,37],[8,37],[8,38],[8,38],[7,19],[7,19],[7,19],[7,19],[8,31],[8,31],[8,32],[8,32],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,1],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[6,12],[8,53],[8,53],[8,54],[8,54],[7,26],[7,26],[7,26],[7,26],[8,39],[8,39],[8,40],[8,40],[8,41],[8,41],[8,42],[8,42],[8,43],[8,43],[8,44],[8,44],[7,21],[7,21],[7,21],[7,21],[7,28],[7,28],[7,28],[7,28],[8,61],[8,61],[8,62],[8,62],[8,63],[8,63],[8,0],[8,0],[8,320],[8,320],[8,384],[8,384],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,10],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[5,11],[7,27],[7,27],[7,27],[7,27],[8,59],[8,59],[8,60],[8,60],[9,1472],[9,1536],[9,1600],[9,1728],[7,18],[7,18],[7,18],[7,18],[7,24],[7,24],[7,24],[7,24],[8,49],[8,49],[8,50],[8,50],[8,51],[8,51],[8,52],[8,52],[7,25],[7,25],[7,25],[7,25],[8,55],[8,55],[8,56],[8,56],[8,57],[8,57],[8,58],[8,58],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,192],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[6,1664],[8,448],[8,448],[8,512],[8,512],[9,704],[9,768],[8,640],[8,640],[8,576],[8,576],[9,832],[9,896],[9,960],[9,1024],[9,1088],[9,1152],[9,1216],[9,1280],[9,1344],[9,1408],[7,256],[7,256],[7,256],[7,256],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,128],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,8],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[5,9],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,16],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[6,17],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,4],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[4,5],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,14],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[6,15],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[5,64],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,6],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7],[4,7]],h=[[-1,-1],[-1,-1],[12,-2],[12,-2],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[-1,-1],[11,1792],[11,1792],[11,1792],[11,1792],[12,1984],[12,1984],[12,2048],[12,2048],[12,2112],[12,2112],[12,2176],[12,2176],[12,2240],[12,2240],[12,2304],[12,2304],[11,1856],[11,1856],[11,1856],[11,1856],[11,1920],[11,1920],[11,1920],[11,1920],[12,2368],[12,2368],[12,2432],[12,2432],[12,2496],[12,2496],[12,2560],[12,2560],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[10,18],[12,52],[12,52],[13,640],[13,704],[13,768],[13,832],[12,55],[12,55],[12,56],[12,56],[13,1280],[13,1344],[13,1408],[13,1472],[12,59],[12,59],[12,60],[12,60],[13,1536],[13,1600],[11,24],[11,24],[11,24],[11,24],[11,25],[11,25],[11,25],[11,25],[13,1664],[13,1728],[12,320],[12,320],[12,384],[12,384],[12,448],[12,448],[13,512],[13,576],[12,53],[12,53],[12,54],[12,54],[13,896],[13,960],[13,1024],[13,1088],[13,1152],[13,1216],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64],[10,64]],d=[[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[8,13],[11,23],[11,23],[12,50],[12,51],[12,44],[12,45],[12,46],[12,47],[12,57],[12,58],[12,61],[12,256],[10,16],[10,16],[10,16],[10,16],[10,17],[10,17],[10,17],[10,17],[12,48],[12,49],[12,62],[12,63],[12,30],[12,31],[12,32],[12,33],[12,40],[12,41],[11,22],[11,22],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[8,14],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,10],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[7,11],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[9,15],[12,128],[12,192],[12,26],[12,27],[12,28],[12,29],[11,19],[11,19],[11,20],[11,20],[12,34],[12,35],[12,36],[12,37],[12,38],[12,39],[11,21],[11,21],[12,42],[12,43],[10,0],[10,0],[10,0],[10,0],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12],[7,12]],p=[[-1,-1],[-1,-1],[-1,-1],[-1,-1],[6,9],[6,8],[5,7],[5,7],[4,6],[4,6],[4,6],[4,6],[4,5],[4,5],[4,5],[4,5],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,1],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[3,4],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,3],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2],[2,2]],y=function(){function CCITTFaxDecoder(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};_classCallCheck(this,CCITTFaxDecoder);if(!t||"function"!=typeof t.next)throw new Error('CCITTFaxDecoder - invalid "source" parameter.');this.source=t;this.eof=!1;this.encoding=r.K||0;this.eoline=r.EndOfLine||!1;this.byteAlign=r.EncodedByteAlign||!1;this.columns=r.Columns||1728;this.rows=r.Rows||0;var i,o=r.EndOfBlock;null==o&&(o=!0);this.eoblock=o;this.black=r.BlackIs1||!1;this.codingLine=new Uint32Array(this.columns+1);this.refLine=new Uint32Array(this.columns+2);this.codingLine[0]=this.columns;this.codingPos=0;this.row=0;this.nextLine2D=this.encoding<0;this.inputBits=0;this.inputBuf=0;this.outputBits=0;this.rowsDone=!1;for(;0===(i=this._lookBits(12));)this._eatBits(1);1===i&&this._eatBits(12);if(this.encoding>0){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}}!function _createClass(t,r,i){r&&_defineProperties(t.prototype,r);i&&_defineProperties(t,i);return t}(CCITTFaxDecoder,[{key:"readNextChar",value:function readNextChar(){if(this.eof)return-1;var t,r,i,c,l,u=this.refLine,h=this.codingLine,d=this.columns;if(0===this.outputBits){this.rowsDone&&(this.eof=!0);if(this.eof)return-1;this.err=!1;var p,y,v;if(this.nextLine2D){for(c=0;h[c]<d;++c)u[c]=h[c];u[c++]=d;u[c]=d;h[0]=0;this.codingPos=0;t=0;r=0;for(;h[this.codingPos]<d;)switch(p=this._getTwoDimCode()){case 0:this._addPixels(u[t+1],r);u[t+1]<d&&(t+=2);break;case 1:p=y=0;if(r){do{p+=v=this._getBlackCode()}while(v>=64);do{y+=v=this._getWhiteCode()}while(v>=64)}else{do{p+=v=this._getWhiteCode()}while(v>=64);do{y+=v=this._getBlackCode()}while(v>=64)}this._addPixels(h[this.codingPos]+p,r);h[this.codingPos]<d&&this._addPixels(h[this.codingPos]+y,1^r);for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2;break;case 7:this._addPixels(u[t]+3,r);r^=1;if(h[this.codingPos]<d){++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 5:this._addPixels(u[t]+2,r);r^=1;if(h[this.codingPos]<d){++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 3:this._addPixels(u[t]+1,r);r^=1;if(h[this.codingPos]<d){++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 2:this._addPixels(u[t],r);r^=1;if(h[this.codingPos]<d){++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 8:this._addPixelsNeg(u[t]-3,r);r^=1;if(h[this.codingPos]<d){t>0?--t:++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 6:this._addPixelsNeg(u[t]-2,r);r^=1;if(h[this.codingPos]<d){t>0?--t:++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case 4:this._addPixelsNeg(u[t]-1,r);r^=1;if(h[this.codingPos]<d){t>0?--t:++t;for(;u[t]<=h[this.codingPos]&&u[t]<d;)t+=2}break;case a:this._addPixels(d,0);this.eof=!0;break;default:(0,o.info)("bad 2d code");this._addPixels(d,0);this.err=!0}}else{h[0]=0;this.codingPos=0;r=0;for(;h[this.codingPos]<d;){p=0;if(r)do{p+=v=this._getBlackCode()}while(v>=64);else do{p+=v=this._getWhiteCode()}while(v>=64);this._addPixels(h[this.codingPos]+p,r);r^=1}}var g=!1;this.byteAlign&&(this.inputBits&=-8);if(this.eoblock||this.row!==this.rows-1){p=this._lookBits(12);if(this.eoline)for(;p!==a&&1!==p;){this._eatBits(1);p=this._lookBits(12)}else for(;0===p;){this._eatBits(1);p=this._lookBits(12)}if(1===p){this._eatBits(12);g=!0}else p===a&&(this.eof=!0)}else this.rowsDone=!0;if(!this.eof&&this.encoding>0&&!this.rowsDone){this.nextLine2D=!this._lookBits(1);this._eatBits(1)}if(this.eoblock&&g&&this.byteAlign){if(1===(p=this._lookBits(12))){this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}if(this.encoding>=0)for(c=0;c<4;++c){1!==(p=this._lookBits(12))&&(0,o.info)("bad rtc code: "+p);this._eatBits(12);if(this.encoding>0){this._lookBits(1);this._eatBits(1)}}this.eof=!0}}else if(this.err&&this.eoline){for(;;){if((p=this._lookBits(13))===a){this.eof=!0;return-1}if(p>>1==1)break;this._eatBits(1)}this._eatBits(12);if(this.encoding>0){this._eatBits(1);this.nextLine2D=!(1&p)}}h[0]>0?this.outputBits=h[this.codingPos=0]:this.outputBits=h[this.codingPos=1];this.row++}if(this.outputBits>=8){l=1&this.codingPos?0:255;this.outputBits-=8;if(0===this.outputBits&&h[this.codingPos]<d){this.codingPos++;this.outputBits=h[this.codingPos]-h[this.codingPos-1]}}else{i=8;l=0;do{if(this.outputBits>i){l<<=i;1&this.codingPos||(l|=255>>8-i);this.outputBits-=i;i=0}else{l<<=this.outputBits;1&this.codingPos||(l|=255>>8-this.outputBits);i-=this.outputBits;this.outputBits=0;if(h[this.codingPos]<d){this.codingPos++;this.outputBits=h[this.codingPos]-h[this.codingPos-1]}else if(i>0){l<<=i;i=0}}}while(i)}this.black&&(l^=255);return l}},{key:"_addPixels",value:function _addPixels(t,r){var i=this.codingLine,a=this.codingPos;if(t>i[a]){if(t>this.columns){(0,o.info)("row is wrong length");this.err=!0;t=this.columns}1&a^r&&++a;i[a]=t}this.codingPos=a}},{key:"_addPixelsNeg",value:function _addPixelsNeg(t,r){var i=this.codingLine,a=this.codingPos;if(t>i[a]){if(t>this.columns){(0,o.info)("row is wrong length");this.err=!0;t=this.columns}1&a^r&&++a;i[a]=t}else if(t<i[a]){if(t<0){(0,o.info)("invalid code");this.err=!0;t=0}for(;a>0&&t<i[a-1];)--a;i[a]=t}this.codingPos=a}},{key:"_findTableCode",value:function _findTableCode(t,r,i,o){for(var c=o||0,l=t;l<=r;++l){var u=this._lookBits(l);if(u===a)return[!0,1,!1];l<r&&(u<<=r-l);if(!c||u>=c){var h=i[u-c];if(h[0]===l){this._eatBits(l);return[!0,h[1],!0]}}}return[!1,0,!1]}},{key:"_getTwoDimCode",value:function _getTwoDimCode(){var t,r=0;if(this.eoblock){r=this._lookBits(7);if((t=c[r])&&t[0]>0){this._eatBits(t[0]);return t[1]}}else{var i=this._findTableCode(1,7,c);if(i[0]&&i[2])return i[1]}(0,o.info)("Bad two dim code");return a}},{key:"_getWhiteCode",value:function _getWhiteCode(){var t,r=0;if(this.eoblock){if((r=this._lookBits(12))===a)return 1;if((t=r>>5==0?l[r]:u[r>>3])[0]>0){this._eatBits(t[0]);return t[1]}}else{var i=this._findTableCode(1,9,u);if(i[0])return i[1];if((i=this._findTableCode(11,12,l))[0])return i[1]}(0,o.info)("bad white code");this._eatBits(1);return 1}},{key:"_getBlackCode",value:function _getBlackCode(){var t,r;if(this.eoblock){if((t=this._lookBits(13))===a)return 1;if((r=t>>7==0?h[t]:t>>9==0&&t>>7!=0?d[(t>>1)-64]:p[t>>7])[0]>0){this._eatBits(r[0]);return r[1]}}else{var i=this._findTableCode(2,6,p);if(i[0])return i[1];if((i=this._findTableCode(7,12,d,64))[0])return i[1];if((i=this._findTableCode(10,13,h))[0])return i[1]}(0,o.info)("bad black code");this._eatBits(1);return 1}},{key:"_lookBits",value:function _lookBits(t){for(var r;this.inputBits<t;){if(-1===(r=this.source.next()))return 0===this.inputBits?a:this.inputBuf<<t-this.inputBits&65535>>16-t;this.inputBuf=this.inputBuf<<8|r;this.inputBits+=8}return this.inputBuf>>this.inputBits-t&65535>>16-t}},{key:"_eatBits",value:function _eatBits(t){(this.inputBits-=t)<0&&(this.inputBits=0)}}]);return CCITTFaxDecoder}();r.CCITTFaxDecoder=y},(t,r,i)=>{"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.JpegImage=void 0;var o=i(1),a=i(82);function _defineProperties(t,r){for(var i=0;i<r.length;i++){var o=r[i];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var i,o=_getPrototypeOf(t);if(r){var a=_getPrototypeOf(this).constructor;i=Reflect.construct(o,arguments,a)}else i=o.apply(this,arguments);return _possibleConstructorReturn(this,i)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var c=function(t){_inherits(JpegError,t);var r=_createSuper(JpegError);function JpegError(t){_classCallCheck(this,JpegError);return r.call(this,"JPEG error: ".concat(t))}return JpegError}(o.BaseException),l=function(t){_inherits(DNLMarkerError,t);var r=_createSuper(DNLMarkerError);function DNLMarkerError(t,i){var o;_classCallCheck(this,DNLMarkerError);(o=r.call(this,t)).scanLines=i;return o}return DNLMarkerError}(o.BaseException),u=function(t){_inherits(EOIMarkerError,t);var r=_createSuper(EOIMarkerError);function EOIMarkerError(){_classCallCheck(this,EOIMarkerError);return r.apply(this,arguments)}return EOIMarkerError}(o.BaseException),h=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),d=4017,p=799,y=3406,v=2276,g=1567,m=3784,b=5793,x=2896;function buildHuffmanTable(t,r){for(var i,o,a=0,c=16;c>0&&!t[c-1];)c--;var l,u=[{children:[],index:0}],h=u[0];for(i=0;i<c;i++){for(o=0;o<t[i];o++){(h=u.pop()).children[h.index]=r[a];for(;h.index>0;)h=u.pop();h.index++;u.push(h);for(;u.length<=i;){u.push(l={children:[],index:0});h.children[h.index]=l.children;h=l}a++}if(i+1<c){u.push(l={children:[],index:0});h.children[h.index]=l.children;h=l}}return u[0].children}function getBlockBufferOffset(t,r,i){return 64*((t.blocksPerLine+1)*r+i)}function decodeScan(t,r,i,d,p,y,v,g,m){var b=arguments.length>9&&void 0!==arguments[9]&&arguments[9],x=i.mcusPerLine,_=i.progressive,w=r,C=0,k=0;function readBit(){if(k>0){k--;return C>>k&1}if(255===(C=t[r++])){var o=t[r++];if(o){if(220===o&&b){r+=2;var h=(0,a.readUint16)(t,r);r+=2;if(h>0&&h!==i.scanLines)throw new l("Found DNL marker (0xFFDC) while parsing scan data",h)}else if(217===o){if(b){var d=I*(8===i.precision?8:0);if(d>0&&Math.round(i.scanLines/d)>=10)throw new l("Found EOI marker (0xFFD9) while parsing scan data, possibly caused by incorrect `scanLines` parameter",d)}throw new u("Found EOI marker (0xFFD9) while parsing scan data")}throw new c("unexpected marker ".concat((C<<8|o).toString(16)))}}k=7;return C>>>7}function decodeHuffman(t){for(var r=t;;){switch(_typeof(r=r[readBit()])){case"number":return r;case"object":continue}throw new c("invalid huffman sequence")}}function receive(t){for(var r=0;t>0;){r=r<<1|readBit();t--}return r}function receiveAndExtend(t){if(1===t)return 1===readBit()?1:-1;var r=receive(t);return r>=1<<t-1?r:r+(-1<<t)+1}function decodeBaseline(t,r){var i=decodeHuffman(t.huffmanTableDC),o=0===i?0:receiveAndExtend(i);t.blockData[r]=t.pred+=o;for(var a=1;a<64;){var c=decodeHuffman(t.huffmanTableAC),l=15&c,u=c>>4;if(0!==l){var d=h[a+=u];t.blockData[r+d]=receiveAndExtend(l);a++}else{if(u<15)break;a+=16}}}function decodeDCFirst(t,r){var i=decodeHuffman(t.huffmanTableDC),o=0===i?0:receiveAndExtend(i)<<m;t.blockData[r]=t.pred+=o}function decodeDCSuccessive(t,r){t.blockData[r]|=readBit()<<m}var S=0;function decodeACFirst(t,r){if(S>0)S--;else for(var i=y,o=v;i<=o;){var a=decodeHuffman(t.huffmanTableAC),c=15&a,l=a>>4;if(0!==c){var u=h[i+=l];t.blockData[r+u]=receiveAndExtend(c)*(1<<m);i++}else{if(l<15){S=receive(l)+(1<<l)-1;break}i+=16}}}var P,T=0;function decodeACSuccessive(t,r){for(var i,o,a=y,l=v,u=0;a<=l;){var d=r+h[a],p=t.blockData[d]<0?-1:1;switch(T){case 0:u=(o=decodeHuffman(t.huffmanTableAC))>>4;if(0===(i=15&o))if(u<15){S=receive(u)+(1<<u);T=4}else{u=16;T=1}else{if(1!==i)throw new c("invalid ACn encoding");P=receiveAndExtend(i);T=u?2:3}continue;case 1:case 2:t.blockData[d]?t.blockData[d]+=p*(readBit()<<m):0===--u&&(T=2===T?3:0);break;case 3:if(t.blockData[d])t.blockData[d]+=p*(readBit()<<m);else{t.blockData[d]=P<<m;T=0}break;case 4:t.blockData[d]&&(t.blockData[d]+=p*(readBit()<<m))}a++}4===T&&0===--S&&(T=0)}var I=0;function decodeMcu(t,r,i,o,a){var c=i%x;I=(i/x|0)*t.v+o;var l=c*t.h+a;r(t,getBlockBufferOffset(t,I,l))}function decodeBlock(t,r,i){I=i/t.blocksPerLine|0;var o=i%t.blocksPerLine;r(t,getBlockBufferOffset(t,I,o))}var O,E,A,R,B,D,L=d.length;D=_?0===y?0===g?decodeDCFirst:decodeDCSuccessive:0===g?decodeACFirst:decodeACSuccessive:decodeBaseline;var M,U,N,j,H=0;U=1===L?d[0].blocksPerLine*d[0].blocksPerColumn:x*i.mcusPerColumn;for(;H<=U;){var z=p?Math.min(U-H,p):U;if(z>0){for(E=0;E<L;E++)d[E].pred=0;S=0;if(1===L){O=d[0];for(B=0;B<z;B++){decodeBlock(O,D,H);H++}}else for(B=0;B<z;B++){for(E=0;E<L;E++){N=(O=d[E]).h;j=O.v;for(A=0;A<j;A++)for(R=0;R<N;R++)decodeMcu(O,D,H,A,R)}H++}}k=0;if(!(M=findNextFileMarker(t,r)))break;if(M.invalid){var X=z>0?"unexpected":"excessive";(0,o.warn)("decodeScan - ".concat(X," MCU data, current marker is: ").concat(M.invalid));r=M.offset}if(!(M.marker>=65488&&M.marker<=65495))break;r+=2}return r-w}function quantizeAndInverse(t,r,i){var o,a,l,u,h,_,w,C,k,S,P,T,I,O,E,A,R,B=t.quantizationTable,D=t.blockData;if(!B)throw new c("missing required Quantization Table.");for(var L=0;L<64;L+=8){k=D[r+L];S=D[r+L+1];P=D[r+L+2];T=D[r+L+3];I=D[r+L+4];O=D[r+L+5];E=D[r+L+6];A=D[r+L+7];k*=B[L];if(0!=(S|P|T|I|O|E|A)){S*=B[L+1];P*=B[L+2];T*=B[L+3];I*=B[L+4];O*=B[L+5];E*=B[L+6];A*=B[L+7];a=(o=(o=b*k+128>>8)+(a=b*I+128>>8)+1>>1)-a;R=(l=P)*m+(u=E)*g+128>>8;l=l*g-u*m+128>>8;w=(h=(h=x*(S-A)+128>>8)+(w=O<<4)+1>>1)-w;_=(C=(C=x*(S+A)+128>>8)+(_=T<<4)+1>>1)-_;u=(o=o+(u=R)+1>>1)-u;l=(a=a+l+1>>1)-l;R=h*v+C*y+2048>>12;h=h*y-C*v+2048>>12;C=R;R=_*p+w*d+2048>>12;_=_*d-w*p+2048>>12;w=R;i[L]=o+C;i[L+7]=o-C;i[L+1]=a+w;i[L+6]=a-w;i[L+2]=l+_;i[L+5]=l-_;i[L+3]=u+h;i[L+4]=u-h}else{R=b*k+512>>10;i[L]=R;i[L+1]=R;i[L+2]=R;i[L+3]=R;i[L+4]=R;i[L+5]=R;i[L+6]=R;i[L+7]=R}}for(var M=0;M<8;++M){k=i[M];if(0!=((S=i[M+8])|(P=i[M+16])|(T=i[M+24])|(I=i[M+32])|(O=i[M+40])|(E=i[M+48])|(A=i[M+56]))){a=(o=4112+((o=b*k+2048>>12)+(a=b*I+2048>>12)+1>>1))-a;R=(l=P)*m+(u=E)*g+2048>>12;l=l*g-u*m+2048>>12;u=R;w=(h=(h=x*(S-A)+2048>>12)+(w=O)+1>>1)-w;_=(C=(C=x*(S+A)+2048>>12)+(_=T)+1>>1)-_;R=h*v+C*y+2048>>12;h=h*y-C*v+2048>>12;C=R;R=_*p+w*d+2048>>12;_=_*d-w*p+2048>>12;(k=(o=o+u+1>>1)+C)<16?k=0:k>=4080?k=255:k>>=4;(S=(a=a+l+1>>1)+(w=R))<16?S=0:S>=4080?S=255:S>>=4;(P=(l=a-l)+_)<16?P=0:P>=4080?P=255:P>>=4;(T=(u=o-u)+h)<16?T=0:T>=4080?T=255:T>>=4;(I=u-h)<16?I=0:I>=4080?I=255:I>>=4;(O=l-_)<16?O=0:O>=4080?O=255:O>>=4;(E=a-w)<16?E=0:E>=4080?E=255:E>>=4;(A=o-C)<16?A=0:A>=4080?A=255:A>>=4;D[r+M]=k;D[r+M+8]=S;D[r+M+16]=P;D[r+M+24]=T;D[r+M+32]=I;D[r+M+40]=O;D[r+M+48]=E;D[r+M+56]=A}else{R=(R=b*k+8192>>14)<-2040?0:R>=2024?255:R+2056>>4;D[r+M]=R;D[r+M+8]=R;D[r+M+16]=R;D[r+M+24]=R;D[r+M+32]=R;D[r+M+40]=R;D[r+M+48]=R;D[r+M+56]=R}}}function buildComponentData(t,r){for(var i=r.blocksPerLine,o=r.blocksPerColumn,a=new Int16Array(64),c=0;c<o;c++)for(var l=0;l<i;l++){quantizeAndInverse(r,getBlockBufferOffset(r,c,l),a)}return r.blockData}function findNextFileMarker(t,r){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:r,o=t.length-1,c=i<r?i:r;if(r>=o)return null;var l=(0,a.readUint16)(t,r);if(l>=65472&&l<=65534)return{invalid:null,marker:l,offset:r};for(var u=(0,a.readUint16)(t,c);!(u>=65472&&u<=65534);){if(++c>=o)return null;u=(0,a.readUint16)(t,c)}return{invalid:l.toString(16),marker:u,offset:c}}var _=function(){function JpegImage(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.decodeTransform,i=void 0===r?null:r,o=t.colorTransform,a=void 0===o?-1:o;_classCallCheck(this,JpegImage);this._decodeTransform=i;this._colorTransform=a}!function _createClass(t,r,i){r&&_defineProperties(t.prototype,r);i&&_defineProperties(t,i);return t}(JpegImage,[{key:"parse",value:function parse(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=r.dnlScanLines,d=void 0===i?null:i;function readDataBlock(){var r=(0,a.readUint16)(t,v),i=(v+=2)+r-2,c=findNextFileMarker(t,i,v);if(c&&c.invalid){(0,o.warn)("readDataBlock - incorrect length, current marker is: "+c.invalid);i=c.offset}var l=t.subarray(v,i);v+=l.length;return l}function prepareComponents(t){for(var r=Math.ceil(t.samplesPerLine/8/t.maxH),i=Math.ceil(t.scanLines/8/t.maxV),o=0,a=t.components.length;o<a;o++){var c=t.components[o],l=Math.ceil(Math.ceil(t.samplesPerLine/8)*c.h/t.maxH),u=Math.ceil(Math.ceil(t.scanLines/8)*c.v/t.maxV),h=r*c.h,d=64*(i*c.v)*(h+1);c.blockData=new Int16Array(d);c.blocksPerLine=l;c.blocksPerColumn=u}t.mcusPerLine=r;t.mcusPerColumn=i}var p,y,v=0,g=null,m=null,b=0,x=[],_=[],w=[],C=(0,a.readUint16)(t,v);v+=2;if(65496!==C)throw new c("SOI not found");C=(0,a.readUint16)(t,v);v+=2;e:for(;65497!==C;){var k=void 0,S=void 0,P=void 0;switch(C){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 T=readDataBlock();65504===C&&74===T[0]&&70===T[1]&&73===T[2]&&70===T[3]&&0===T[4]&&(g={version:{major:T[5],minor:T[6]},densityUnits:T[7],xDensity:T[8]<<8|T[9],yDensity:T[10]<<8|T[11],thumbWidth:T[12],thumbHeight:T[13],thumbData:T.subarray(14,14+3*T[12]*T[13])});65518===C&&65===T[0]&&100===T[1]&&111===T[2]&&98===T[3]&&101===T[4]&&(m={version:T[5]<<8|T[6],flags0:T[7]<<8|T[8],flags1:T[9]<<8|T[10],transformCode:T[11]});break;case 65499:for(var I=(0,a.readUint16)(t,v),O=I+(v+=2)-2;v<O;){var E=t[v++],A=new Uint16Array(64);if(E>>4==0)for(S=0;S<64;S++)A[h[S]]=t[v++];else{if(E>>4!=1)throw new c("DQT - invalid table spec");for(S=0;S<64;S++){A[h[S]]=(0,a.readUint16)(t,v);v+=2}}x[15&E]=A}break;case 65472:case 65473:case 65474:if(p)throw new c("Only single frame JPEGs supported");v+=2;(p={}).extended=65473===C;p.progressive=65474===C;p.precision=t[v++];var R=(0,a.readUint16)(t,v);v+=2;p.scanLines=d||R;p.samplesPerLine=(0,a.readUint16)(t,v);v+=2;p.components=[];p.componentIds={};var B=t[v++],D=0,L=0;for(k=0;k<B;k++){var M=t[v],U=t[v+1]>>4,N=15&t[v+1];D<U&&(D=U);L<N&&(L=N);var j=t[v+2];P=p.components.push({h:U,v:N,quantizationId:j,quantizationTable:null});p.componentIds[M]=P-1;v+=3}p.maxH=D;p.maxV=L;prepareComponents(p);break;case 65476:var H=(0,a.readUint16)(t,v);v+=2;for(k=2;k<H;){var z=t[v++],X=new Uint8Array(16),G=0;for(S=0;S<16;S++,v++)G+=X[S]=t[v];var Y=new Uint8Array(G);for(S=0;S<G;S++,v++)Y[S]=t[v];k+=17+G;(z>>4==0?w:_)[15&z]=buildHuffmanTable(X,Y)}break;case 65501:v+=2;y=(0,a.readUint16)(t,v);v+=2;break;case 65498:var q=1==++b&&!d;v+=2;var J=t[v++],W=[];for(k=0;k<J;k++){var V=t[v++],K=p.componentIds[V],Q=p.components[K];Q.index=V;var Z=t[v++];Q.huffmanTableDC=w[Z>>4];Q.huffmanTableAC=_[15&Z];W.push(Q)}var $=t[v++],ee=t[v++],te=t[v++];try{var re=decodeScan(t,v,p,W,y,$,ee,te>>4,15&te,q);v+=re}catch(r){if(r instanceof l){(0,o.warn)("".concat(r.message," -- attempting to re-parse the JPEG image."));return this.parse(t,{dnlScanLines:r.scanLines})}if(r instanceof u){(0,o.warn)("".concat(r.message," -- ignoring the rest of the image data."));break e}throw r}break;case 65500:v+=4;break;case 65535:255!==t[v]&&v--;break;default:var ne=findNextFileMarker(t,v-2,v-3);if(ne&&ne.invalid){(0,o.warn)("JpegImage.parse - unexpected data, current marker is: "+ne.invalid);v=ne.offset;break}if(!ne||v>=t.length-1){(0,o.warn)("JpegImage.parse - reached the end of the image data without finding an EOI marker (0xFFD9).");break e}throw new c("JpegImage.parse - unknown marker: "+C.toString(16))}C=(0,a.readUint16)(t,v);v+=2}this.width=p.samplesPerLine;this.height=p.scanLines;this.jfif=g;this.adobe=m;this.components=[];for(var ie=0,oe=p.components.length;ie<oe;ie++){var ae=p.components[ie],se=x[ae.quantizationId];se&&(ae.quantizationTable=se);this.components.push({index:ae.index,output:buildComponentData(0,ae),scaleX:ae.h/p.maxH,scaleY:ae.v/p.maxV,blocksPerLine:ae.blocksPerLine,blocksPerColumn:ae.blocksPerColumn})}this.numComponents=this.components.length}},{key:"_getLinearizedBlockData",value:function _getLinearizedBlockData(t,r){var i,o,a,c,l,u,h,d,p,y,v,g,m=arguments.length>2&&void 0!==arguments[2]&&arguments[2],b=this.width/t,x=this.height/r,_=0,w=this.components.length,C=t*r*w,k=new Uint8ClampedArray(C),S=new Uint32Array(t),P=4294967288;for(h=0;h<w;h++){o=(i=this.components[h]).scaleX*b;a=i.scaleY*x;_=h;v=i.output;c=i.blocksPerLine+1<<3;if(o!==g){for(l=0;l<t;l++){d=0|l*o;S[l]=(d&P)<<3|7&d}g=o}for(u=0;u<r;u++){y=c*((d=0|u*a)&P)|(7&d)<<3;for(l=0;l<t;l++){k[_]=v[y+S[l]];_+=w}}}var T=this._decodeTransform;m||4!==w||T||(T=new Int32Array([-256,255,-256,255,-256,255,-256,255]));if(T)for(h=0;h<C;)for(d=0,p=0;d<w;d++,h++,p+=2)k[h]=(k[h]*T[p]>>8)+T[p+1];return k}},{key:"_isColorConversionNeeded",get:function get(){return this.adobe?!!this.adobe.transformCode:3===this.numComponents?0!==this._colorTransform&&(82!==this.components[0].index||71!==this.components[1].index||66!==this.components[2].index):1===this._colorTransform}},{key:"_convertYccToRgb",value:function _convertYccToRgb(t){for(var r,i,o,a=0,c=t.length;a<c;a+=3){r=t[a];i=t[a+1];o=t[a+2];t[a]=r-179.456+1.402*o;t[a+1]=r+135.459-.344*i-.714*o;t[a+2]=r-226.816+1.772*i}return t}},{key:"_convertYcckToRgb",value:function _convertYcckToRgb(t){for(var r,i,o,a,c=0,l=0,u=t.length;l<u;l+=4){r=t[l];i=t[l+1];o=t[l+2];a=t[l+3];t[c++]=i*(-660635669420364e-19*i+.000437130475926232*o-54080610064599e-18*r+.00048449797120281*a-.154362151871126)-122.67195406894+o*(-.000957964378445773*o+.000817076911346625*r-.00477271405408747*a+1.53380253221734)+r*(.000961250184130688*r-.00266257332283933*a+.48357088451265)+a*(-.000336197177618394*a+.484791561490776);t[c++]=107.268039397724+i*(219927104525741e-19*i-.000640992018297945*o+.000659397001245577*r+.000426105652938837*a-.176491792462875)+o*(-.000778269941513683*o+.00130872261408275*r+.000770482631801132*a-.151051492775562)+r*(.00126935368114843*r-.00265090189010898*a+.25802910206845)+a*(-.000318913117588328*a-.213742400323665);t[c++]=i*(-.000570115196973677*i-263409051004589e-19*o+.0020741088115012*r-.00288260236853442*a+.814272968359295)-20.810012546947+o*(-153496057440975e-19*o-.000132689043961446*r+.000560833691242812*a-.195152027534049)+r*(.00174418132927582*r-.00255243321439347*a+.116935020465145)+a*(-.000343531996510555*a+.24165260232407)}return t.subarray(0,c)}},{key:"_convertYcckToCmyk",value:function _convertYcckToCmyk(t){for(var r,i,o,a=0,c=t.length;a<c;a+=4){r=t[a];i=t[a+1];o=t[a+2];t[a]=434.456-r-1.402*o;t[a+1]=119.541-r+.344*i+.714*o;t[a+2]=481.816-r-1.772*i}return t}},{key:"_convertCmykToRgb",value:function _convertCmykToRgb(t){for(var r,i,o,a,c=0,l=0,u=t.length;l<u;l+=4){r=t[l];i=t[l+1];o=t[l+2];a=t[l+3];t[c++]=255+r*(-6747147073602441e-20*r+.0008379262121013727*i+.0002894718188643294*o+.003264231057537806*a-1.1185611867203937)+i*(26374107616089405e-21*i-8626949158638572e-20*o-.0002748769067499491*a-.02155688794978967)+o*(-3878099212869363e-20*o-.0003267808279485286*a+.0686742238595345)-a*(.0003361971776183937*a+.7430659151342254);t[c++]=255+r*(.00013596372813588848*r+.000924537132573585*i+.00010567359618683593*o+.0004791864687436512*a-.3109689587515875)+i*(-.00023545346108370344*i+.0002702845253534714*o+.0020200308977307156*a-.7488052167015494)+o*(6834815998235662e-20*o+.00015168452363460973*a-.09751927774728933)-a*(.0003189131175883281*a+.7364883807733168);t[c++]=255+r*(13598650411385307e-21*r+.00012423956175490851*i+.0004751985097583589*o-36729317476630422e-22*a-.05562186980264034)+i*(.00016141380598724676*i+.0009692239130725186*o+.0007782692450036253*a-.44015232367526463)+o*(5.068882914068769e-7*o+.0017778369011375071*a-.7591454649749609)-a*(.0003435319965105553*a+.7063770186160144)}return t.subarray(0,c)}},{key:"getData",value:function getData(t){var r=t.width,i=t.height,o=t.forceRGB,a=void 0!==o&&o,l=t.isSourcePDF,u=void 0!==l&&l;if(this.numComponents>4)throw new c("Unsupported color mode");var h=this._getLinearizedBlockData(r,i,u);if(1===this.numComponents&&a){for(var d=h.length,p=new Uint8ClampedArray(3*d),y=0,v=0;v<d;v++){var g=h[v];p[y++]=g;p[y++]=g;p[y++]=g}return p}if(3===this.numComponents&&this._isColorConversionNeeded)return this._convertYccToRgb(h);if(4===this.numComponents){if(this._isColorConversionNeeded)return a?this._convertYcckToRgb(h):this._convertYcckToCmyk(h);if(a)return this._convertCmykToRgb(h)}return h}}]);return JpegImage}();r.JpegImage=_},(t,r,i)=>{"use strict";function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function _typeof(t){return typeof t}:function _typeof(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}Object.defineProperty(r,"__esModule",{value:!0});r.JpxImage=void 0;var o=i(1),a=i(82),c=i(87);function _defineProperties(t,r){for(var i=0;i<r.length;i++){var o=r[i];o.enumerable=o.enumerable||!1;o.configurable=!0;"value"in o&&(o.writable=!0);Object.defineProperty(t,o.key,o)}}function _createClass(t,r,i){r&&_defineProperties(t.prototype,r);i&&_defineProperties(t,i);return t}function _classCallCheck(t,r){if(!(t instanceof r))throw new TypeError("Cannot call a class as a function")}function _inherits(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(r&&r.prototype,{constructor:{value:t,writable:!0,configurable:!0}});r&&_setPrototypeOf(t,r)}function _setPrototypeOf(t,r){return(_setPrototypeOf=Object.setPrototypeOf||function _setPrototypeOf(t,r){t.__proto__=r;return t})(t,r)}function _createSuper(t){var r=function _isNativeReflectConstruct(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})));return!0}catch(t){return!1}}();return function _createSuperInternal(){var i,o=_getPrototypeOf(t);if(r){var a=_getPrototypeOf(this).constructor;i=Reflect.construct(o,arguments,a)}else i=o.apply(this,arguments);return _possibleConstructorReturn(this,i)}}function _possibleConstructorReturn(t,r){return!r||"object"!==_typeof(r)&&"function"!=typeof r?function _assertThisInitialized(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):r}function _getPrototypeOf(t){return(_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function _getPrototypeOf(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var l=function(t){_inherits(JpxError,t);var r=_createSuper(JpxError);function JpxError(t){_classCallCheck(this,JpxError);return r.call(this,"JPX error: ".concat(t))}return JpxError}(o.BaseException),u={LL:0,LH:1,HL:1,HH:2},h=function(){function JpxImage(){_classCallCheck(this,JpxImage);this.failOnCorruptedImage=!1}_createClass(JpxImage,[{key:"parse",value:function parse(t){if(65359!==(0,a.readUint16)(t,0))for(var r=t.length,i=0;i<r;){var c=8,u=(0,a.readUint32)(t,i),h=(0,a.readUint32)(t,i+4);i+=c;if(1===u){u=4294967296*(0,a.readUint32)(t,i)+(0,a.readUint32)(t,i+4);i+=8;c+=8}0===u&&(u=r-i+c);if(u<c)throw new l("Invalid box field size");var d=u-c,p=!0;switch(h){case 1785737832:p=!1;break;case 1668246642:var y=t[i];if(1===y){var v=(0,a.readUint32)(t,i+3);switch(v){case 16:case 17:case 18:break;default:(0,o.warn)("Unknown colorspace "+v)}}else 2===y&&(0,o.info)("ICC profile not supported");break;case 1785737827:this.parseCodestream(t,i,i+d);break;case 1783636e3:218793738!==(0,a.readUint32)(t,i)&&(0,o.warn)("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var g=String.fromCharCode(h>>24&255,h>>16&255,h>>8&255,255&h);(0,o.warn)("Unsupported header type ".concat(h," (").concat(g,")."))}p&&(i+=d)}else this.parseCodestream(t,0,t.length)}},{key:"parseImageProperties",value:function parseImageProperties(t){for(var r=t.getByte();r>=0;){if(65361===(r<<8|(r=t.getByte()))){t.skip(4);var i=t.getInt32()>>>0,o=t.getInt32()>>>0,a=t.getInt32()>>>0,c=t.getInt32()>>>0;t.skip(16);var u=t.getUint16();this.width=i-a;this.height=o-c;this.componentsCount=u;this.bitsPerComponent=8;return}}throw new l("No size marker found in JPX stream")}},{key:"parseCodestream",value:function parseCodestream(t,r,i){var c={},u=!1;try{for(var h=r;h+1<i;){var d=(0,a.readUint16)(t,h);h+=2;var p=0,y=void 0,v=void 0,g=void 0,m=void 0,b=void 0,x=void 0;switch(d){case 65359:c.mainHeader=!0;break;case 65497:break;case 65361:p=(0,a.readUint16)(t,h);var _={};_.Xsiz=(0,a.readUint32)(t,h+4);_.Ysiz=(0,a.readUint32)(t,h+8);_.XOsiz=(0,a.readUint32)(t,h+12);_.YOsiz=(0,a.readUint32)(t,h+16);_.XTsiz=(0,a.readUint32)(t,h+20);_.YTsiz=(0,a.readUint32)(t,h+24);_.XTOsiz=(0,a.readUint32)(t,h+28);_.YTOsiz=(0,a.readUint32)(t,h+32);var w=(0,a.readUint16)(t,h+36);_.Csiz=w;var C=[];y=h+38;for(var k=0;k<w;k++){var S={precision:1+(127&t[y]),isSigned:!!(128&t[y]),XRsiz:t[y+1],YRsiz:t[y+2]};y+=3;calculateComponentDimensions(S,_);C.push(S)}c.SIZ=_;c.components=C;calculateTileGrids(c,C);c.QCC=[];c.COC=[];break;case 65372:p=(0,a.readUint16)(t,h);var P={};y=h+2;switch(31&(v=t[y++])){case 0:m=8;b=!0;break;case 1:m=16;b=!1;break;case 2:m=16;b=!0;break;default:throw new Error("Invalid SQcd value "+v)}P.noQuantization=8===m;P.scalarExpounded=b;P.guardBits=v>>5;g=[];for(;y<p+h;){var T={};if(8===m){T.epsilon=t[y++]>>3;T.mu=0}else{T.epsilon=t[y]>>3;T.mu=(7&t[y])<<8|t[y+1];y+=2}g.push(T)}P.SPqcds=g;if(c.mainHeader)c.QCD=P;else{c.currentTile.QCD=P;c.currentTile.QCC=[]}break;case 65373:p=(0,a.readUint16)(t,h);var I={};y=h+2;var O=void 0;if(c.SIZ.Csiz<257)O=t[y++];else{O=(0,a.readUint16)(t,y);y+=2}switch(31&(v=t[y++])){case 0:m=8;b=!0;break;case 1:m=16;b=!1;break;case 2:m=16;b=!0;break;default:throw new Error("Invalid SQcd value "+v)}I.noQuantization=8===m;I.scalarExpounded=b;I.guardBits=v>>5;g=[];for(;y<p+h;){var E={};if(8===m){E.epsilon=t[y++]>>3;E.mu=0}else{E.epsilon=t[y]>>3;E.mu=(7&t[y])<<8|t[y+1];y+=2}g.push(E)}I.SPqcds=g;c.mainHeader?c.QCC[O]=I:c.currentTile.QCC[O]=I;break;case 65362:p=(0,a.readUint16)(t,h);var A={};y=h+2;var R=t[y++];A.entropyCoderWithCustomPrecincts=!!(1&R);A.sopMarkerUsed=!!(2&R);A.ephMarkerUsed=!!(4&R);A.progressionOrder=t[y++];A.layersCount=(0,a.readUint16)(t,y);y+=2;A.multipleComponentTransform=t[y++];A.decompositionLevelsCount=t[y++];A.xcb=2+(15&t[y++]);A.ycb=2+(15&t[y++]);var B=t[y++];A.selectiveArithmeticCodingBypass=!!(1&B);A.resetContextProbabilities=!!(2&B);A.terminationOnEachCodingPass=!!(4&B);A.verticallyStripe=!!(8&B);A.predictableTermination=!!(16&B);A.segmentationSymbolUsed=!!(32&B);A.reversibleTransformation=t[y++];if(A.entropyCoderWithCustomPrecincts){for(var D=[];y<p+h;){var L=t[y++];D.push({PPx:15&L,PPy:L>>4})}A.precinctsSizes=D}var M=[];A.selectiveArithmeticCodingBypass&&M.push("selectiveArithmeticCodingBypass");A.resetContextProbabilities&&M.push("resetContextProbabilities");A.terminationOnEachCodingPass&&M.push("terminationOnEachCodingPass");A.verticallyStripe&&M.push("verticallyStripe");A.predictableTermination&&M.push("predictableTermination");if(M.length>0){u=!0;(0,o.warn)("JPX: Unsupported COD options (".concat(M.join(", "),")."))}if(c.mainHeader)c.COD=A;else{c.currentTile.COD=A;c.currentTile.COC=[]}break;case 65424:p=(0,a.readUint16)(t,h);(x={}).index=(0,a.readUint16)(t,h+2);x.length=(0,a.readUint32)(t,h+4);x.dataEnd=x.length+h-2;x.partIndex=t[h+8];x.partsCount=t[h+9];c.mainHeader=!1;if(0===x.partIndex){x.COD=c.COD;x.COC=c.COC.slice(0);x.QCD=c.QCD;x.QCC=c.QCC.slice(0)}c.currentTile=x;break;case 65427:if(0===(x=c.currentTile).partIndex){initializeTile(c,x.index);buildPackets(c)}parseTilePackets(c,t,h,p=x.dataEnd-h);break;case 65363:(0,o.warn)("JPX: Codestream code 0xFF53 (COC) is not implemented.");case 65365:case 65367:case 65368:case 65380:p=(0,a.readUint16)(t,h);break;default:throw new Error("Unknown codestream code: "+d.toString(16))}h+=p}}catch(t){if(u||this.failOnCorruptedImage)throw new l(t.message);(0,o.warn)('JPX: Trying to recover from: "'.concat(t.message,'".'))}this.tiles=function transformComponents(t){for(var r=t.SIZ,i=t.components,o=r.Csiz,a=[],c=0,l=t.tiles.length;c<l;c++){for(var u=t.tiles[c],h=[],d=0;d<o;d++)h[d]=transformTile(t,u,d);var p=h[0],y=new Uint8ClampedArray(p.items.length*o),v={left:p.left,top:p.top,width:p.width,height:p.height,items:y},g=void 0,m=void 0,b=0,x=void 0,_=void 0,w=void 0,C=void 0,k=void 0;if(u.codingStyleDefaultParameters.multipleComponentTransform){var S=4===o,P=h[0].items,T=h[1].items,I=h[2].items,O=S?h[3].items:null;m=.5+(128<<(g=i[0].precision-8));var E=u.components[0],A=o-3;_=P.length;if(E.codingStyleParameters.reversibleTransformation)for(x=0;x<_;x++,b+=A){w=P[x]+m;C=T[x];var R=w-((k=I[x])+C>>2);y[b++]=R+k>>g;y[b++]=R>>g;y[b++]=R+C>>g}else for(x=0;x<_;x++,b+=A){w=P[x]+m;C=T[x];k=I[x];y[b++]=w+1.402*k>>g;y[b++]=w-.34413*C-.71414*k>>g;y[b++]=w+1.772*C>>g}if(S)for(x=0,b=3;x<_;x++,b+=4)y[b]=O[x]+m>>g}else for(var B=0;B<o;B++){var D=h[B].items;m=.5+(128<<(g=i[B].precision-8));for(b=B,x=0,_=D.length;x<_;x++){y[b]=D[x]+m>>g;b+=o}}a.push(v)}return a}(c);this.width=c.SIZ.Xsiz-c.SIZ.XOsiz;this.height=c.SIZ.Ysiz-c.SIZ.YOsiz;this.componentsCount=c.SIZ.Csiz}}]);return JpxImage}();r.JpxImage=h;function calculateComponentDimensions(t,r){t.x0=Math.ceil(r.XOsiz/t.XRsiz);t.x1=Math.ceil(r.Xsiz/t.XRsiz);t.y0=Math.ceil(r.YOsiz/t.YRsiz);t.y1=Math.ceil(r.Ysiz/t.YRsiz);t.width=t.x1-t.x0;t.height=t.y1-t.y0}function calculateTileGrids(t,r){for(var i,o=t.SIZ,a=[],c=Math.ceil((o.Xsiz-o.XTOsiz)/o.XTsiz),l=Math.ceil((o.Ysiz-o.YTOsiz)/o.YTsiz),u=0;u<l;u++)for(var h=0;h<c;h++){(i={}).tx0=Math.max(o.XTOsiz+h*o.XTsiz,o.XOsiz);i.ty0=Math.max(o.YTOsiz+u*o.YTsiz,o.YOsiz);i.tx1=Math.min(o.XTOsiz+(h+1)*o.XTsiz,o.Xsiz);i.ty1=Math.min(o.YTOsiz+(u+1)*o.YTsiz,o.Ysiz);i.width=i.tx1-i.tx0;i.height=i.ty1-i.ty0;i.components=[];a.push(i)}t.tiles=a;for(var d=0,p=o.Csiz;d<p;d++)for(var y=r[d],v=0,g=a.length;v<g;v++){var m={};i=a[v];m.tcx0=Math.ceil(i.tx0/y.XRsiz);m.tcy0=Math.ceil(i.ty0/y.YRsiz);m.tcx1=Math.ceil(i.tx1/y.XRsiz);m.tcy1=Math.ceil(i.ty1/y.YRsiz);m.width=m.tcx1-m.tcx0;m.height=m.tcy1-m.tcy0;i.components[d]=m}}function getBlocksDimensions(t,r,i){var o=r.codingStyleParameters,a={};if(o.entropyCoderWithCustomPrecincts){a.PPx=o.precinctsSizes[i].PPx;a.PPy=o.precinctsSizes[i].PPy}else{a.PPx=15;a.PPy=15}a.xcb_=i>0?Math.min(o.xcb,a.PPx-1):Math.min(o.xcb,a.PPx);a.ycb_=i>0?Math.min(o.ycb,a.PPy-1):Math.min(o.ycb,a.PPy);return a}function buildPrecincts(t,r,i){var o=1<<i.PPx,a=1<<i.PPy,c=0===r.resLevel,l=1<<i.PPx+(c?0:-1),u=1<<i.PPy+(c?0:-1),h=r.trx1>r.trx0?Math.ceil(r.trx1/o)-Math.floor(r.trx0/o):0,d=r.try1>r.try0?Math.ceil(r.try1/a)-Math.floor(r.try0/a):0,p=h*d;r.precinctParameters={precinctWidth:o,precinctHeight:a,numprecinctswide:h,numprecinctshigh:d,numprecincts:p,precinctWidthInSubband:l,precinctHeightInSubband:u}}function buildCodeblocks(t,r,i){var o,a,c,l,u=i.xcb_,h=i.ycb_,d=1<<u,p=1<<h,y=r.tbx0>>u,v=r.tby0>>h,g=r.tbx1+d-1>>u,m=r.tby1+p-1>>h,b=r.resolution.precinctParameters,x=[],_=[];for(a=v;a<m;a++)for(o=y;o<g;o++){(c={cbx:o,cby:a,tbx0:d*o,tby0:p*a,tbx1:d*(o+1),tby1:p*(a+1)}).tbx0_=Math.max(r.tbx0,c.tbx0);c.tby0_=Math.max(r.tby0,c.tby0);c.tbx1_=Math.min(r.tbx1,c.tbx1);c.tby1_=Math.min(r.tby1,c.tby1);l=Math.floor((c.tbx0_-r.tbx0)/b.precinctWidthInSubband)+Math.floor((c.tby0_-r.tby0)/b.precinctHeightInSubband)*b.numprecinctswide;c.precinctNumber=l;c.subbandType=r.type;c.Lblock=3;if(!(c.tbx1_<=c.tbx0_||c.tby1_<=c.tby0_)){x.push(c);var w=_[l];if(void 0!==w){o<w.cbxMin?w.cbxMin=o:o>w.cbxMax&&(w.cbxMax=o);a<w.cbyMin?w.cbxMin=a:a>w.cbyMax&&(w.cbyMax=a)}else _[l]=w={cbxMin:o,cbyMin:a,cbxMax:o,cbyMax:a};c.precinct=w}}r.codeblockParameters={codeblockWidth:u,codeblockHeight:h,numcodeblockwide:g-y+1,numcodeblockhigh:m-v+1};r.codeblocks=x;r.precincts=_}function createPacket(t,r,i){for(var o=[],a=t.subbands,c=0,l=a.length;c<l;c++)for(var u=a[c].codeblocks,h=0,d=u.length;h<d;h++){var p=u[h];p.precinctNumber===r&&o.push(p)}return{layerNumber:i,codeblocks:o}}function LayerResolutionComponentPositionIterator(t){for(var r=t.SIZ,i=t.currentTile.index,o=t.tiles[i],a=o.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=0,h=0;h<c;h++)u=Math.max(u,o.components[h].codingStyleParameters.decompositionLevelsCount);var d=0,p=0,y=0,v=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<a;d++){for(;p<=u;p++){for(;y<c;y++){var t=o.components[y];if(!(p>t.codingStyleParameters.decompositionLevelsCount)){for(var r=t.resolutions[p],i=r.precinctParameters.numprecincts;v<i;){var h=createPacket(r,v,d);v++;return h}v=0}}y=0}p=0}throw new l("Out of packets")}}function ResolutionLayerComponentPositionIterator(t){for(var r=t.SIZ,i=t.currentTile.index,o=t.tiles[i],a=o.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=0,h=0;h<c;h++)u=Math.max(u,o.components[h].codingStyleParameters.decompositionLevelsCount);var d=0,p=0,y=0,v=0;this.nextPacket=function JpxImage_nextPacket(){for(;d<=u;d++){for(;p<a;p++){for(;y<c;y++){var t=o.components[y];if(!(d>t.codingStyleParameters.decompositionLevelsCount)){for(var r=t.resolutions[d],i=r.precinctParameters.numprecincts;v<i;){var h=createPacket(r,v,p);v++;return h}v=0}}y=0}p=0}throw new l("Out of packets")}}function ResolutionPositionComponentLayerIterator(t){var r,i,o,a,c=t.SIZ,u=t.currentTile.index,h=t.tiles[u],d=h.codingStyleDefaultParameters.layersCount,p=c.Csiz,y=0;for(o=0;o<p;o++){var v=h.components[o];y=Math.max(y,v.codingStyleParameters.decompositionLevelsCount)}var g=new Int32Array(y+1);for(i=0;i<=y;++i){var m=0;for(o=0;o<p;++o){var b=h.components[o].resolutions;i<b.length&&(m=Math.max(m,b[i].precinctParameters.numprecincts))}g[i]=m}r=0;i=0;o=0;a=0;this.nextPacket=function JpxImage_nextPacket(){for(;i<=y;i++){for(;a<g[i];a++){for(;o<p;o++){var t=h.components[o];if(!(i>t.codingStyleParameters.decompositionLevelsCount)){var c=t.resolutions[i],u=c.precinctParameters.numprecincts;if(!(a>=u)){for(;r<d;){var v=createPacket(c,a,r);r++;return v}r=0}}}o=0}a=0}throw new l("Out of packets")}}function PositionComponentResolutionLayerIterator(t){var r=t.SIZ,i=t.currentTile.index,o=t.tiles[i],a=o.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=getPrecinctSizesInImageScale(o),h=u,d=0,p=0,y=0,v=0,g=0;this.nextPacket=function JpxImage_nextPacket(){for(;g<h.maxNumHigh;g++){for(;v<h.maxNumWide;v++){for(;y<c;y++){for(var t=o.components[y],r=t.codingStyleParameters.decompositionLevelsCount;p<=r;p++){var i=t.resolutions[p],m=u.components[y].resolutions[p],b=getPrecinctIndexIfExist(v,g,m,h,i);if(null!==b){for(;d<a;){var x=createPacket(i,b,d);d++;return x}d=0}}p=0}y=0}v=0}throw new l("Out of packets")}}function ComponentPositionResolutionLayerIterator(t){var r=t.SIZ,i=t.currentTile.index,o=t.tiles[i],a=o.codingStyleDefaultParameters.layersCount,c=r.Csiz,u=getPrecinctSizesInImageScale(o),h=0,d=0,p=0,y=0,v=0;this.nextPacket=function JpxImage_nextPacket(){for(;p<c;++p){for(var t=o.components[p],r=u.components[p],i=t.codingStyleParameters.decompositionLevelsCount;v<r.maxNumHigh;v++){for(;y<r.maxNumWide;y++){for(;d<=i;d++){var g=t.resolutions[d],m=r.resolutions[d],b=getPrecinctIndexIfExist(y,v,m,r,g);if(null!==b){for(;h<a;){var x=createPacket(g,b,h);h++;return x}h=0}}d=0}y=0}v=0}throw new l("Out of packets")}}function getPrecinctIndexIfExist(t,r,i,o,a){var c=t*o.minWidth,l=r*o.minHeight;if(c%i.width!=0||l%i.height!=0)return null;var u=l/i.width*a.precinctParameters.numprecinctswide;return c/i.height+u}function getPrecinctSizesInImageScale(t){for(var r=t.components.length,i=Number.MAX_VALUE,o=Number.MAX_VALUE,a=0,c=0,l=new Array(r),u=0;u<r;u++){for(var h=t.components[u],d=h.codingStyleParameters.decompositionLevelsCount,p=new Array(d+1),y=Number.MAX_VALUE,v=Number.MAX_VALUE,g=0,m=0,b=1,x=d;x>=0;--x){var _=h.resolutions[x],w=b*_.precinctParameters.precinctWidth,C=b*_.precinctParameters.precinctHeight;y=Math.min(y,w);v=Math.min(v,C);g=Math.max(g,_.precinctParameters.numprecinctswide);m=Math.max(m,_.precinctParameters.numprecinctshigh);p[x]={width:w,height:C};b<<=1}i=Math.min(i,y);o=Math.min(o,v);a=Math.max(a,g);c=Math.max(c,m);l[u]={resolutions:p,minWidth:y,minHeight:v,maxNumWide:g,maxNumHigh:m}}return{components:l,minWidth:i,minHeight:o,maxNumWide:a,maxNumHigh:c}}function buildPackets(t){for(var r=t.SIZ,i=t.currentTile.index,o=t.tiles[i],a=r.Csiz,c=0;c<a;c++){for(var u=o.components[c],h=u.codingStyleParameters.decompositionLevelsCount,d=[],p=[],y=0;y<=h;y++){var v=getBlocksDimensions(0,u,y),g={},m=1<<h-y;g.trx0=Math.ceil(u.tcx0/m);g.try0=Math.ceil(u.tcy0/m);g.trx1=Math.ceil(u.tcx1/m);g.try1=Math.ceil(u.tcy1/m);g.resLevel=y;buildPrecincts(0,g,v);d.push(g);var b=void 0;if(0===y){(b={}).type="LL";b.tbx0=Math.ceil(u.tcx0/m);b.tby0=Math.ceil(u.tcy0/m);b.tbx1=Math.ceil(u.tcx1/m);b.tby1=Math.ceil(u.tcy1/m);b.resolution=g;buildCodeblocks(0,b,v);p.push(b);g.subbands=[b]}else{var x=1<<h-y+1,_=[];(b={}).type="HL";b.tbx0=Math.ceil(u.tcx0/x-.5);b.tby0=Math.ceil(u.tcy0/x);b.tbx1=Math.ceil(u.tcx1/x-.5);b.tby1=Math.ceil(u.tcy1/x);b.resolution=g;buildCodeblocks(0,b,v);p.push(b);_.push(b);(b={}).type="LH";b.tbx0=Math.ceil(u.tcx0/x);b.tby0=Math.ceil(u.tcy0/x-.5);b.tbx1=Math.ceil(u.tcx1/x);b.tby1=Math.ceil(u.tcy1/x-.5);b.resolution=g;buildCodeblocks(0,b,v);p.push(b);_.push(b);(b={}).type="HH";b.tbx0=Math.ceil(u.tcx0/x-.5);b.tby0=Math.ceil(u.tcy0/x-.5);b.tbx1=Math.ceil(u.tcx1/x-.5);b.tby1=Math.ceil(u.tcy1/x-.5);b.resolution=g;buildCodeblocks(0,b,v);p.push(b);_.push(b);g.subbands=_}}u.resolutions=d;u.subbands=p}var w=o.codingStyleDefaultParameters.progressionOrder;switch(w){case 0:o.packetsIterator=new LayerResolutionComponentPositionIterator(t);break;case 1:o.packetsIterator=new ResolutionLayerComponentPositionIterator(t);break;case 2:o.packetsIterator=new ResolutionPositionComponentLayerIterator(t);break;case 3:o.packetsIterator=new PositionComponentResolutionLayerIterator(t);break;case 4:o.packetsIterator=new ComponentPositionResolutionLayerIterator(t);break;default:throw new l("Unsupported progression order ".concat(w))}}function parseTilePackets(t,r,i,o){var c,l=0,u=0,h=!1;function readBits(t){for(;u<t;){var o=r[i+l];l++;if(h){c=c<<7|o;u+=7;h=!1}else{c=c<<8|o;u+=8}255===o&&(h=!0)}return c>>>(u-=t)&(1<<t)-1}function skipMarkerIfEqual(t){if(255===r[i+l-1]&&r[i+l]===t){skipBytes(1);return!0}if(255===r[i+l]&&r[i+l+1]===t){skipBytes(2);return!0}return!1}function skipBytes(t){l+=t}function alignToByte(){u=0;if(h){l++;h=!1}}function readCodingpasses(){if(0===readBits(1))return 1;if(0===readBits(1))return 2;var t=readBits(2);return t<3?t+3:(t=readBits(5))<31?t+6:(t=readBits(7))+37}for(var y=t.currentTile.index,v=t.tiles[y],g=t.COD.sopMarkerUsed,m=t.COD.ephMarkerUsed,b=v.packetsIterator;l<o;){alignToByte();g&&skipMarkerIfEqual(145)&&skipBytes(4);var x=b.nextPacket();if(readBits(1)){for(var _=x.layerNumber,w=[],C=void 0,k=0,S=x.codeblocks.length;k<S;k++){var P=(C=x.codeblocks[k]).precinct,T=C.cbx-P.cbxMin,I=C.cby-P.cbyMin,O=!1,E=!1,A=void 0;if(void 0!==C.included)O=!!readBits(1);else{var R=void 0;if(void 0!==(P=C.precinct).inclusionTree)R=P.inclusionTree;else{var B=P.cbxMax-P.cbxMin+1,D=P.cbyMax-P.cbyMin+1;R=new p(B,D,_);A=new d(B,D);P.inclusionTree=R;P.zeroBitPlanesTree=A}if(R.reset(T,I,_))for(;;){if(!readBits(1)){R.incrementValue(_);break}if(!R.nextLevel()){C.included=!0;O=E=!0;break}}}if(O){if(E){(A=P.zeroBitPlanesTree).reset(T,I);for(;;)if(readBits(1)){if(!A.nextLevel())break}else A.incrementValue();C.zeroBitPlanes=A.value}for(var L=readCodingpasses();readBits(1);)C.Lblock++;var M=(0,a.log2)(L),U=readBits((L<1<<M?M-1:M)+C.Lblock);w.push({codeblock:C,codingpasses:L,dataLength:U})}}alignToByte();m&&skipMarkerIfEqual(146);for(;w.length>0;){var N=w.shift();void 0===(C=N.codeblock).data&&(C.data=[]);C.data.push({data:r,start:i+l,end:i+l+N.dataLength,codingpasses:N.codingpasses});l+=N.dataLength}}}return l}function copyCoefficients(t,r,i,o,a,l,u,h){for(var d=o.tbx0,p=o.tby0,v=o.tbx1-o.tbx0,g=o.codeblocks,m="H"===o.type.charAt(0)?1:0,b="H"===o.type.charAt(1)?r:0,x=0,_=g.length;x<_;++x){var w=g[x],C=w.tbx1_-w.tbx0_,k=w.tby1_-w.tby0_;if(0!==C&&0!==k&&void 0!==w.data){var S=new y(C,k,w.subbandType,w.zeroBitPlanes,l),P=2,T=w.data,I=0,O=0,E=void 0,A=void 0,R=void 0;for(E=0,A=T.length;E<A;E++){I+=(R=T[E]).end-R.start;O+=R.codingpasses}var B=new Uint8Array(I),D=0;for(E=0,A=T.length;E<A;E++){var L=(R=T[E]).data.subarray(R.start,R.end);B.set(L,D);D+=L.length}var M=new c.ArithmeticDecoder(B,0,I);S.setDecoder(M);for(E=0;E<O;E++){switch(P){case 0:S.runSignificancePropagationPass();break;case 1:S.runMagnitudeRefinementPass();break;case 2:S.runCleanupPass();h&&S.checkSegmentationSymbol()}P=(P+1)%3}var U=w.tbx0_-d+(w.tby0_-p)*v,N=S.coefficentsSign,j=S.coefficentsMagnitude,H=S.bitsDecoded,z=u?0:.5,X=void 0,G=void 0,Y=void 0;D=0;var q="LL"!==o.type;for(E=0;E<k;E++){var J=2*(U/v|0)*(r-v)+m+b;for(X=0;X<C;X++){if(0!==(G=j[D])){G=(G+z)*a;0!==N[D]&&(G=-G);Y=H[D];var W=q?J+(U<<1):U;t[W]=u&&Y>=l?G:G*(1<<l-Y)}U++;D++}U+=v-C}}}}function transformTile(t,r,i){for(var o=r.components[i],a=o.codingStyleParameters,c=o.quantizationParameters,l=a.decompositionLevelsCount,h=c.SPqcds,d=c.scalarExpounded,p=c.guardBits,y=a.segmentationSymbolUsed,v=t.components[i].precision,b=a.reversibleTransformation,x=b?new m:new g,_=[],w=0,C=0;C<=l;C++){for(var k=o.resolutions[C],S=k.trx1-k.trx0,P=k.try1-k.try0,T=new Float32Array(S*P),I=0,O=k.subbands.length;I<O;I++){var E=void 0,A=void 0;if(d){E=h[w].mu;A=h[w].epsilon;w++}else{E=h[0].mu;A=h[0].epsilon+(C>0?1-C:0)}var R=k.subbands[I],B=u[R.type];copyCoefficients(T,S,0,R,b?1:Math.pow(2,v+B-A)*(1+E/2048),p+A-1,b,y)}_.push({width:S,height:P,items:T})}var D=x.calculate(_,o.tcx0,o.tcy0);return{left:o.tcx0,top:o.tcy0,width:D.width,height:D.height,items:D.items}}function initializeTile(t,r){for(var i=t.SIZ.Csiz,o=t.tiles[r],a=0;a<i;a++){var c=o.components[a],l=void 0!==t.currentTile.QCC[a]?t.currentTile.QCC[a]:t.currentTile.QCD;c.quantizationParameters=l;var u=void 0!==t.currentTile.COC[a]?t.currentTile.COC[a]:t.currentTile.COD;c.codingStyleParameters=u}o.codingStyleDefaultParameters=t.currentTile.COD}var d=function(){function TagTree(t,r){_classCallCheck(this,TagTree);var i=(0,a.log2)(Math.max(t,r))+1;this.levels=[];for(var o=0;o<i;o++){var c={width:t,height:r,items:[]};this.levels.push(c);t=Math.ceil(t/2);r=Math.ceil(r/2)}}_createClass(TagTree,[{key:"reset",value:function reset(t,r){for(var i,o=0,a=0;o<this.levels.length;){var c=t+r*(i=this.levels[o]).width;if(void 0!==i.items[c]){a=i.items[c];break}i.index=c;t>>=1;r>>=1;o++}o--;(i=this.levels[o]).items[i.index]=a;this.currentLevel=o;delete this.value}},{key:"incrementValue",value:function incrementValue(){var t=this.levels[this.currentLevel];t.items[t.index]++}},{key:"nextLevel",value:function nextLevel(){var t=this.currentLevel,r=this.levels[t],i=r.items[r.index];if(--t<0){this.value=i;return!1}this.currentLevel=t;(r=this.levels[t]).items[r.index]=i;return!0}}]);return TagTree}(),p=function(){function InclusionTree(t,r,i){_classCallCheck(this,InclusionTree);var o=(0,a.log2)(Math.max(t,r))+1;this.levels=[];for(var c=0;c<o;c++){for(var l=new Uint8Array(t*r),u=0,h=l.length;u<h;u++)l[u]=i;var d={width:t,height:r,items:l};this.levels.push(d);t=Math.ceil(t/2);r=Math.ceil(r/2)}}_createClass(InclusionTree,[{key:"reset",value:function reset(t,r,i){for(var o=0;o<this.levels.length;){var a=this.levels[o],c=t+r*a.width;a.index=c;var l=a.items[c];if(255===l)break;if(l>i){this.currentLevel=o;this.propagateValues();return!1}t>>=1;r>>=1;o++}this.currentLevel=o-1;return!0}},{key:"incrementValue",value:function incrementValue(t){var r=this.levels[this.currentLevel];r.items[r.index]=t+1;this.propagateValues()}},{key:"propagateValues",value:function propagateValues(){for(var t=this.currentLevel,r=this.levels[t],i=r.items[r.index];--t>=0;)(r=this.levels[t]).items[r.index]=i}},{key:"nextLevel",value:function nextLevel(){var t=this.currentLevel,r=this.levels[t],i=r.items[r.index];r.items[r.index]=255;if(--t<0)return!1;this.currentLevel=t;(r=this.levels[t]).items[r.index]=i;return!0}}]);return InclusionTree}(),y=function BitModelClosure(){var t=17,r=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),i=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),o=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);return function(){function BitModel(t,a,c,l,u){_classCallCheck(this,BitModel);this.width=t;this.height=a;var h;h="HH"===c?o:"HL"===c?i:r;this.contextLabelTable=h;var d,p=t*a;this.neighborsSignificance=new Uint8Array(p);this.coefficentsSign=new Uint8Array(p);d=u>14?new Uint32Array(p):u>6?new Uint16Array(p):new Uint8Array(p);this.coefficentsMagnitude=d;this.processingFlags=new Uint8Array(p);var y=new Uint8Array(p);if(0!==l)for(var v=0;v<p;v++)y[v]=l;this.bitsDecoded=y;this.reset()}_createClass(BitModel,[{key:"setDecoder",value:function setDecoder(t){this.decoder=t}},{key:"reset",value:function reset(){this.contexts=new Int8Array(19);this.contexts[0]=8;this.contexts[17]=92;this.contexts[18]=6}},{key:"setNeighborsSignificance",value:function setNeighborsSignificance(t,r,i){var o,a=this.neighborsSignificance,c=this.width,l=this.height,u=r>0,h=r+1<c;if(t>0){o=i-c;u&&(a[o-1]+=16);h&&(a[o+1]+=16);a[o]+=4}if(t+1<l){o=i+c;u&&(a[o-1]+=16);h&&(a[o+1]+=16);a[o]+=4}u&&(a[i-1]+=1);h&&(a[i+1]+=1);a[i]|=128}},{key:"runSignificancePropagationPass",value:function runSignificancePropagationPass(){for(var t=this.decoder,r=this.width,i=this.height,o=this.coefficentsMagnitude,a=this.coefficentsSign,c=this.neighborsSignificance,l=this.processingFlags,u=this.contexts,h=this.contextLabelTable,d=this.bitsDecoded,p=0;p<i;p+=4)for(var y=0;y<r;y++)for(var v=p*r+y,g=0;g<4;g++,v+=r){var m=p+g;if(m>=i)break;l[v]&=-2;if(!o[v]&&c[v]){var b=h[c[v]];if(t.readBit(u,b)){var x=this.decodeSignBit(m,y,v);a[v]=x;o[v]=1;this.setNeighborsSignificance(m,y,v);l[v]|=2}d[v]++;l[v]|=1}}}},{key:"decodeSignBit",value:function decodeSignBit(t,r,i){var o,a,c,l,u,h,d=this.width,p=this.height,y=this.coefficentsMagnitude,v=this.coefficentsSign;l=r>0&&0!==y[i-1];if(r+1<d&&0!==y[i+1]){c=v[i+1];o=l?1-c-(a=v[i-1]):1-c-c}else o=l?1-(a=v[i-1])-a:0;var g=3*o;l=t>0&&0!==y[i-d];if(t+1<p&&0!==y[i+d]){c=v[i+d];o=l?1-c-(a=v[i-d])+g:1-c-c+g}else o=l?1-(a=v[i-d])-a+g:g;if(o>=0){u=9+o;h=this.decoder.readBit(this.contexts,u)}else{u=9-o;h=1^this.decoder.readBit(this.contexts,u)}return h}},{key:"runMagnitudeRefinementPass",value:function runMagnitudeRefinementPass(){for(var t,r=this.decoder,i=this.width,o=this.height,a=this.coefficentsMagnitude,c=this.neighborsSignificance,l=this.contexts,u=this.bitsDecoded,h=this.processingFlags,d=i*o,p=4*i,y=0;y<d;y=t){t=Math.min(d,y+p);for(var v=0;v<i;v++)for(var g=y+v;g<t;g+=i)if(a[g]&&0==(1&h[g])){var m=16;if(0!=(2&h[g])){h[g]^=2;m=0===(127&c[g])?15:14}var b=r.readBit(l,m);a[g]=a[g]<<1|b;u[g]++;h[g]|=1}}}},{key:"runCleanupPass",value:function runCleanupPass(){for(var r,i=this.decoder,o=this.width,a=this.height,c=this.neighborsSignificance,l=this.coefficentsMagnitude,u=this.coefficentsSign,h=this.contexts,d=this.contextLabelTable,p=this.bitsDecoded,y=this.processingFlags,v=o,g=2*o,m=3*o,b=0;b<a;b=r){r=Math.min(b+4,a);for(var x=b*o,_=b+3<a,w=0;w<o;w++){var C=x+w,k=0,S=C,P=b,T=void 0;if(_&&0===y[C]&&0===y[C+v]&&0===y[C+g]&&0===y[C+m]&&0===c[C]&&0===c[C+v]&&0===c[C+g]&&0===c[C+m]){if(!i.readBit(h,18)){p[C]++;p[C+v]++;p[C+g]++;p[C+m]++;continue}if(0!==(k=i.readBit(h,t)<<1|i.readBit(h,t))){P=b+k;S+=k*o}T=this.decodeSignBit(P,w,S);u[S]=T;l[S]=1;this.setNeighborsSignificance(P,w,S);y[S]|=2;S=C;for(var I=b;I<=P;I++,S+=o)p[S]++;k++}for(P=b+k;P<r;P++,S+=o)if(!l[S]&&0==(1&y[S])){var O=d[c[S]];if(1===i.readBit(h,O)){T=this.decodeSignBit(P,w,S);u[S]=T;l[S]=1;this.setNeighborsSignificance(P,w,S);y[S]|=2}p[S]++}}}}},{key:"checkSegmentationSymbol",value:function checkSegmentationSymbol(){var r=this.decoder,i=this.contexts;if(10!==(r.readBit(i,t)<<3|r.readBit(i,t)<<2|r.readBit(i,t)<<1|r.readBit(i,t)))throw new l("Invalid segmentation symbol")}}]);return BitModel}()}(),v=function(){function Transform(){_classCallCheck(this,Transform);this.constructor===Transform&&(0,o.unreachable)("Cannot initialize Transform.")}_createClass(Transform,[{key:"calculate",value:function calculate(t,r,i){for(var o=t[0],a=1,c=t.length;a<c;a++)o=this.iterate(o,t[a],r,i);return o}},{key:"extend",value:function extend(t,r,i){var o=r-1,a=r+1,c=r+i-2,l=r+i;t[o--]=t[a++];t[l++]=t[c--];t[o--]=t[a++];t[l++]=t[c--];t[o--]=t[a++];t[l++]=t[c--];t[o]=t[a];t[l]=t[c]}},{key:"filter",value:function filter(t,r,i){(0,o.unreachable)("Abstract method `filter` called")}},{key:"iterate",value:function iterate(t,r,i,o){var a,c,l,u,h,d,p=t.width,y=t.height,v=t.items,g=r.width,m=r.height,b=r.items;for(l=0,a=0;a<y;a++){u=2*a*g;for(c=0;c<p;c++,l++,u+=2)b[u]=v[l]}v=t.items=null;var x=new Float32Array(g+8);if(1===g){if(0!=(1&i))for(d=0,l=0;d<m;d++,l+=g)b[l]*=.5}else for(d=0,l=0;d<m;d++,l+=g){x.set(b.subarray(l,l+g),4);this.extend(x,4,g);this.filter(x,4,g);b.set(x.subarray(4,4+g),l)}var _=16,w=[];for(a=0;a<_;a++)w.push(new Float32Array(m+8));var C,k=0;t=4+m;if(1===m){if(0!=(1&o))for(h=0;h<g;h++)b[h]*=.5}else for(h=0;h<g;h++){if(0===k){_=Math.min(g-h,_);for(l=h,u=4;u<t;l+=g,u++)for(C=0;C<_;C++)w[C][u]=b[l+C];k=_}var S=w[--k];this.extend(S,4,m);this.filter(S,4,m);if(0===k){l=h-_+1;for(u=4;u<t;l+=g,u++)for(C=0;C<_;C++)b[l+C]=w[C][u]}}return{width:g,height:m,items:b}}}]);return Transform}(),g=function(t){_inherits(IrreversibleTransform,t);var r=_createSuper(IrreversibleTransform);function IrreversibleTransform(){_classCallCheck(this,IrreversibleTransform);return r.apply(this,arguments)}_createClass(IrreversibleTransform,[{key:"filter",value:function filter(t,r,i){var o,a,c,l,u=i>>1,h=-1.586134342059924,d=-.052980118572961,p=.882911075530934,y=.443506852043971,v=1.230174104914001;o=(r|=0)-3;for(a=u+4;a--;o+=2)t[o]*=.8128930661159609;c=y*t[(o=r-2)-1];for(a=u+3;a--;o+=2){l=y*t[o+1];t[o]=v*t[o]-c-l;if(!a--)break;c=y*t[(o+=2)+1];t[o]=v*t[o]-c-l}c=p*t[(o=r-1)-1];for(a=u+2;a--;o+=2){l=p*t[o+1];t[o]-=c+l;if(!a--)break;c=p*t[(o+=2)+1];t[o]-=c+l}c=d*t[(o=r)-1];for(a=u+1;a--;o+=2){l=d*t[o+1];t[o]-=c+l;if(!a--)break;c=d*t[(o+=2)+1];t[o]-=c+l}if(0!==u){c=h*t[(o=r+1)-1];for(a=u;a--;o+=2){l=h*t[o+1];t[o]-=c+l;if(!a--)break;c=h*t[(o+=2)+1];t[o]-=c+l}}}}]);return IrreversibleTransform}(v),m=function(t){_inherits(ReversibleTransform,t);var r=_createSuper(ReversibleTransform);function ReversibleTransform(){_classCallCheck(this,ReversibleTransform);return r.apply(this,arguments)}_createClass(ReversibleTransform,[{key:"filter",value:function filter(t,r,i){var o,a,c=i>>1;for(o=r|=0,a=c+1;a--;o+=2)t[o]-=t[o-1]+t[o+1]+2>>2;for(o=r+1,a=c;a--;o+=2)t[o]+=t[o-1]+t[o+1]>>1}}]);return ReversibleTransform}(v)}],r={};function __w_pdfjs_require__(i){var o=r[i];if(void 0!==o)return o.exports;var a=r[i]={id:i,loaded:!1,exports:{}};t[i](a,a.exports,__w_pdfjs_require__);a.loaded=!0;return a.exports}__w_pdfjs_require__.nmd=t=>{t.paths=[];t.children||(t.children=[]);return t};var i={};(()=>{"use strict";var t=i;Object.defineProperty(t,"__esModule",{value:!0});Object.defineProperty(t,"getVerbosityLevel",{enumerable:!0,get:function get(){return r.getVerbosityLevel}});Object.defineProperty(t,"setVerbosityLevel",{enumerable:!0,get:function get(){return r.setVerbosityLevel}});Object.defineProperty(t,"Jbig2Image",{enumerable:!0,get:function get(){return o.Jbig2Image}});Object.defineProperty(t,"JpegImage",{enumerable:!0,get:function get(){return a.JpegImage}});Object.defineProperty(t,"JpxImage",{enumerable:!0,get:function get(){return c.JpxImage}});var r=__w_pdfjs_require__(1),o=__w_pdfjs_require__(81),a=__w_pdfjs_require__(89),c=__w_pdfjs_require__(90)})();return i})()}));
    23.