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_t=function(t,e){let n=[],r=t%8,i=e%8,o=(t-r)/8,s=(e-i)/8;for(let t=0;t<gt.length;t++){let e=gt[t],a=o*e.x.length,h=s*e.y.length;for(let t=0;t<e.x.length&&e.x[t]<r;t++)a++;for(let t=0;t<e.y.length&&e.y[t]<i;t++)h++;a>0&&h>0&&n.push({width:a,height:h,index:t})}return n},mt=function(t){return function(e,n,r){let i=e%gt[r].x.length,o=(e-i)/gt[r].x.length*8+gt[r].x[i],s=n%gt[r].y.length;return 4*o+((n-s)/gt[r].y.length*8+gt[r].y[s])*t*4}},wt=function(t,e,n){let r=t+e-n,i=Math.abs(r-t),o=Math.abs(r-e),s=Math.abs(r-n);return i<=o&&i<=s?t:o<=s?e:n},yt=_((function(t){function e(t,e,n){let r=t*e;return 8!==n&&(r=Math.ceil(r/(8/n))),r}let n=t.exports=function(t,n){let r=t.width,i=t.height,o=t.interlace,s=t.bpp,a=t.depth;if(this.read=n.read,this.write=n.write,this.complete=n.complete,this._imageIndex=0,this._images=[],o){let t=_t(r,i);for(let n=0;n<t.length;n++)this._images.push({byteWidth:e(t[n].width,s,a),height:t[n].height,lineIndex:0})}else 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e=t.exports=function(t,e){this._options=t,t.checkCRC=!1!==t.checkCRC,this._hasIHDR=!1,this._hasIEND=!1,this._emittedHeadersFinished=!1,this._palette=[],this._colorType=0,this._chunks={},this._chunks[bt.TYPE_IHDR]=this._handleIHDR.bind(this),this._chunks[bt.TYPE_IEND]=this._handleIEND.bind(this),this._chunks[bt.TYPE_IDAT]=this._handleIDAT.bind(this),this._chunks[bt.TYPE_PLTE]=this._handlePLTE.bind(this),this._chunks[bt.TYPE_tRNS]=this._handleTRNS.bind(this),this._chunks[bt.TYPE_gAMA]=this._handleGAMA.bind(this),this.read=e.read,this.error=e.error,this.metadata=e.metadata,this.gamma=e.gamma,this.transColor=e.transColor,this.palette=e.palette,this.parsed=e.parsed,this.inflateData=e.inflateData,this.finished=e.finished,this.simpleTransparency=e.simpleTransparency,this.headersFinished=e.headersFinished||function(){}};e.prototype.start=function(){this.read(bt.PNG_SIGNATURE.length,this._parseSignature.bind(this))},e.prototype._parseSignature=function(t){let e=bt.PNG_SIGNATURE;for(let n=0;n<e.length;n++)if(t[n]!==e[n])return void this.error(new Error("Invalid file signature"));this.read(8,this._parseChunkBegin.bind(this))},e.prototype._parseChunkBegin=function(t){let e=t.readUInt32BE(0),n=t.readUInt32BE(4),r="";for(let e=4;e<8;e++)r+=String.fromCharCode(t[e]);let i=Boolean(32&t[4]);if(this._hasIHDR||n===bt.TYPE_IHDR){if(this._crc=new Tt,this._crc.write(Buffer.from(r)),this._chunks[n])return this._chunks[n](e);i?this.read(e+4,this._skipChunk.bind(this)):this.error(new Error("Unsupported critical chunk type "+r))}else this.error(new Error("Expected IHDR on beggining"))},e.prototype._skipChunk=function(){this.read(8,this._parseChunkBegin.bind(this))},e.prototype._handleChunkEnd=function(){this.read(4,this._parseChunkEnd.bind(this))},e.prototype._parseChunkEnd=function(t){let e=t.readInt32BE(0),n=this._crc.crc32();this._options.checkCRC&&n!==e?this.error(new Error("Crc error - "+e+" - "+n)):this._hasIEND||this.read(8,this._parseChunkBegin.bind(this))},e.prototype._handleIHDR=function(t){this.read(t,this._parseIHDR.bind(this))},e.prototype._parseIHDR=function(t){this._crc.write(t);let e=t.readUInt32BE(0),n=t.readUInt32BE(4),r=t[8],i=t[9],o=t[10],s=t[11],a=t[12];if(8!==r&&4!==r&&2!==r&&1!==r&&16!==r)return void this.error(new Error("Unsupported bit depth "+r));if(!(i in bt.COLORTYPE_TO_BPP_MAP))return void this.error(new Error("Unsupported color type"));if(0!==o)return void this.error(new Error("Unsupported compression method"));if(0!==s)return void this.error(new Error("Unsupported filter method"));if(0!==a&&1!==a)return void this.error(new Error("Unsupported interlace method"));this._colorType=i;let h=bt.COLORTYPE_TO_BPP_MAP[this._colorType];this._hasIHDR=!0,this.metadata({width:e,height:n,depth:r,interlace:Boolean(a),palette:Boolean(i&bt.COLORTYPE_PALETTE),color:Boolean(i&bt.COLORTYPE_COLOR),alpha:Boolean(i&bt.COLORTYPE_ALPHA),bpp:h,colorType:i}),this._handleChunkEnd()},e.prototype._handlePLTE=function(t){this.read(t,this._parsePLTE.bind(this))},e.prototype._parsePLTE=function(t){this._crc.write(t);let e=Math.floor(t.length/3);for(let n=0;n<e;n++)this._palette.push([t[3*n],t[3*n+1],t[3*n+2],255]);this.palette(this._palette),this._handleChunkEnd()},e.prototype._handleTRNS=function(t){this.simpleTransparency(),this.read(t,this._parseTRNS.bind(this))},e.prototype._parseTRNS=function(t){if(this._crc.write(t),this._colorType===bt.COLORTYPE_PALETTE_COLOR){if(0===this._palette.length)return void this.error(new Error("Transparency chunk must be after palette"));if(t.length>this._palette.length)return void this.error(new Error("More transparent colors than palette size"));for(let e=0;e<t.length;e++)this._palette[e][3]=t[e];this.palette(this._palette)}this._colorType===bt.COLORTYPE_GRAYSCALE&&this.transColor([t.readUInt16BE(0)]),this._colorType===bt.COLORTYPE_COLOR&&this.transColor([t.readUInt16BE(0),t.readUInt16BE(2),t.readUInt16BE(4)]),this._handleChunkEnd()},e.prototype._handleGAMA=function(t){this.read(t,this._parseGAMA.bind(this))},e.prototype._parseGAMA=function(t){this._crc.write(t),this.gamma(t.readUInt32BE(0)/bt.GAMMA_DIVISION),this._handleChunkEnd()},e.prototype._handleIDAT=function(t){this._emittedHeadersFinished||(this._emittedHeadersFinished=!0,this.headersFinished()),this.read(-t,this._parseIDAT.bind(this,t))},e.prototype._parseIDAT=function(t,e){if(this._crc.write(e),this._colorType===bt.COLORTYPE_PALETTE_COLOR&&0===this._palette.length)throw new Error("Expected palette not found");this.inflateData(e);let 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t=(1+(this._bitmapInfo.width*this._bitmapInfo.bpp*this._bitmapInfo.depth+7>>3))*this._bitmapInfo.height,e=Math.max(t,i.Z_MIN_CHUNK);this._inflate=i.createInflate({chunkSize:e});let n=t,r=this.emit.bind(this,"error");this._inflate.on("error",(function(t){n&&r(t)})),this._filter.on("complete",this._complete.bind(this));let o=this._filter.write.bind(this._filter);this._inflate.on("data",(function(t){n&&(t.length>n&&(t=t.slice(0,n)),n-=t.length,o(t))})),this._inflate.on("end",this._filter.end.bind(this._filter))}this._inflate.write(t)},e.prototype._handleMetaData=function(t){this._metaData=t,this._bitmapInfo=Object.create(t),this._filter=new 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bt.COLORTYPE_GRAYSCALE:{let e=(t.red+t.green+t.blue)/3;8===r.bitDepth?(l[f]=e,i&&(l[f+1]=t.alpha)):(l.writeUInt16BE(e,f),i&&l.writeUInt16BE(t.alpha,f+2));break}default:throw new Error("unrecognised color Type "+r.colorType)}u+=a,f+=h}return l}(t,e,n,this._options),i=bt.COLORTYPE_TO_BPP_MAP[this._options.colorType];return function(t,e,n,r,i){let o;if("filterType"in r&&-1!==r.filterType){if("number"!=typeof r.filterType)throw new Error("unrecognised filter types");o=[r.filterType]}else o=[0,1,2,3,4];16===r.bitDepth&&(i*=2);let s=e*i,a=0,h=0,l=Buffer.alloc((s+1)*n),u=o[0];for(let e=0;e<n;e++){if(o.length>1){let e=1/0;for(let n=0;n<o.length;n++){let r=kt[o[n]](t,h,s,i);r<e&&(u=o[n],e=r)}}l[a]=u,a++,Ot[u](t,h,s,l,a,i),a+=s,h+=s}return l}(r,e,n,this._options,i)},e.prototype._packChunk=function(t,e){let n=e?e.length:0,r=Buffer.alloc(n+12);return r.writeUInt32BE(n,0),r.writeUInt32BE(t,4),e&&e.copy(r,8),r.writeInt32BE(Tt.crc32(r.slice(4,r.length-4)),r.length-4),r},e.prototype.packGAMA=function(t){let e=Buffer.alloc(4);return e.writeUInt32BE(Math.floor(t*bt.GAMMA_DIVISION),0),this._packChunk(bt.TYPE_gAMA,e)},e.prototype.packIHDR=function(t,e){let n=Buffer.alloc(13);return n.writeUInt32BE(t,0),n.writeUInt32BE(e,4),n[8]=this._options.bitDepth,n[9]=this._options.colorType,n[10]=0,n[11]=0,n[12]=0,this._packChunk(bt.TYPE_IHDR,n)},e.prototype.packIDAT=function(t){return this._packChunk(bt.TYPE_IDAT,t)},e.prototype.packIEND=function(){return this._packChunk(bt.TYPE_IEND,null)}})),Nt=_((function(t){let e=t.exports=function(t){r.call(this);let e=t||{};this._packer=new Mt(e),this._deflate=this._packer.createDeflate(),this.readable=!0};n.inherits(e,r),e.prototype.pack=function(t,e,n,r){this.emit("data",Buffer.from(bt.PNG_SIGNATURE)),this.emit("data",this._packer.packIHDR(e,n)),r&&this.emit("data",this._packer.packGAMA(r));let i=this._packer.filterData(t,e,n);this._deflate.on("error",this.emit.bind(this,"error")),this._deflate.on("data",function(t){this.emit("data",this._packer.packIDAT(t))}.bind(this)),this._deflate.on("end",function(){this.emit("data",this._packer.packIEND()),this.emit("end")}.bind(this)),this._deflate.end(i)}})),Dt=_((function(t,e){let r=o.ok,a=s.kMaxLength;function h(t){if(!(this instanceof h))return new h(t);t&&t.chunkSize<i.Z_MIN_CHUNK&&(t.chunkSize=i.Z_MIN_CHUNK),i.Inflate.call(this,t),this._offset=void 0===this._offset?this._outOffset:this._offset,this._buffer=this._buffer||this._outBuffer,t&&null!=t.maxLength&&(this._maxLength=t.maxLength)}function l(t,e){e&&process.nextTick(e),t._handle&&(t._handle.close(),t._handle=null)}function u(t,e){return function(t,e){if("string"==typeof e&&(e=Buffer.from(e)),!(e instanceof Buffer))throw new TypeError("Not a string or buffer");let n=t._finishFlushFlag;return null==n&&(n=i.Z_FINISH),t._processChunk(e,n)}(new h(e),t)}h.prototype._processChunk=function(t,e,n){if("function"==typeof n)return i.Inflate._processChunk.call(this,t,e,n);let o,s,h=this,u=t&&t.length,f=this._chunkSize-this._offset,c=this._maxLength,d=0,p=[],g=0;function _(t,e){if(h._hadError)return;let n=f-e;if(r(n>=0,"have should not go down"),n>0){let t=h._buffer.slice(h._offset,h._offset+n);if(h._offset+=n,t.length>c&&(t=t.slice(0,c)),p.push(t),g+=t.length,c-=t.length,0===c)return!1}return(0===e||h._offset>=h._chunkSize)&&(f=h._chunkSize,h._offset=0,h._buffer=Buffer.allocUnsafe(h._chunkSize)),0===e&&(d+=u-t,u=t,!0)}this.on("error",(function(t){o=t})),r(this._handle,"zlib binding closed");do{s=this._handle.writeSync(e,t,d,u,this._buffer,this._offset,f),s=s||this._writeState}while(!this._hadError&&_(s[0],s[1]));if(this._hadError)throw o;if(g>=a)throw l(this),new RangeError("Cannot create final Buffer. 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yt(e,{read:r.read.bind(r),write:function(t){n.push(t)},complete:function(){}}).start(),r.process(),Buffer.concat(n)};let St=!0;i.deflateSync||(St=!1);let Yt=!0;i.deflateSync||(Yt=!1);var Ft={read:function(t,e){return function(t,e){if(!St)throw new Error("To use the sync capability of this library in old node versions, please pin pngjs to v2.3.0");let n,r,o;let s=[];let a=new xt(t);if(new Ct(e,{read:a.read.bind(a),error:function(t){n=t},metadata:function(t){r=t},gamma:function(t){o=t},palette:function(t){r.palette=t},transColor:function(t){r.transColor=t},inflateData:function(t){s.push(t)},simpleTransparency:function(){r.alpha=!0}}).start(),a.process(),n)throw n;let h,l=Buffer.concat(s);if(s.length=0,r.interlace)h=i.inflateSync(l);else{let t=(1+(r.width*r.bpp*r.depth+7>>3))*r.height;h=Dt(l,{chunkSize:t,maxLength:t})}if(l=null,!h||!h.length)throw new Error("bad png - invalid inflate data response");let u=Ut(h,r);l=null;let f=Rt(u,r);u=null;let c=Bt(f,r);return 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