const JpegImage = function jpegImage() {
    "use strict";
    const dctZigZag = new Int32Array([
        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
    ]);
    const dctCos1 = 4017;
    const dctSin1 = 799;
    const dctCos3 = 3406;
    const dctSin3 = 2276;
    const dctCos6 = 1567;
    const dctSin6 = 3784;
    const dctSqrt2 = 5793;
    const dctSqrt1d2 = 2896;
    function constructor() {
    }
    function buildHuffmanTable(codeLengths, values) {
        let k = 0;
        const code = [];
        let i, j, length = 16;
        while(length > 0 && !codeLengths[length - 1]){
            length--;
        }
        code.push({
            children: [],
            index: 0
        });
        let p = code[0], q;
        for(i = 0; i < length; i++){
            for(j = 0; j < codeLengths[i]; j++){
                p = code.pop();
                p.children[p.index] = values[k];
                while(p.index > 0){
                    p = code.pop();
                }
                p.index++;
                code.push(p);
                while(code.length <= i){
                    code.push(q = {
                        children: [],
                        index: 0
                    });
                    p.children[p.index] = q.children;
                    p = q;
                }
                k++;
            }
            if (i + 1 < length) {
                code.push(q = {
                    children: [],
                    index: 0
                });
                p.children[p.index] = q.children;
                p = q;
            }
        }
        return code[0].children;
    }
    function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
        const mcusPerLine = frame.mcusPerLine;
        const progressive = frame.progressive;
        const startOffset = offset;
        let bitsData = 0, bitsCount = 0;
        function readBit() {
            if (bitsCount > 0) {
                bitsCount--;
                return bitsData >> bitsCount & 1;
            }
            bitsData = data[offset++];
            if (bitsData === 255) {
                const nextByte = data[offset++];
                if (nextByte) {
                    throw new Error("unexpected marker: " + (bitsData << 8 | nextByte).toString(16));
                }
            }
            bitsCount = 7;
            return bitsData >>> 7;
        }
        function decodeHuffman(tree) {
            let node = tree, bit;
            while((bit = readBit()) !== null){
                node = node[bit];
                if (typeof node === "number") {
                    return node;
                }
                if (typeof node !== "object") {
                    throw new Error("invalid huffman sequence");
                }
            }
            return null;
        }
        function receive(length) {
            let n = 0;
            while(length > 0){
                const bit = readBit();
                if (bit === null) {
                    return;
                }
                n = n << 1 | bit;
                length--;
            }
            return n;
        }
        function receiveAndExtend(length) {
            const n = receive(length);
            if (n >= 1 << length - 1) {
                return n;
            }
            return n + (-1 << length) + 1;
        }
        function decodeBaseline(component, zz) {
            const t = decodeHuffman(component.huffmanTableDC);
            const diff = t === 0 ? 0 : receiveAndExtend(t);
            zz[0] = component.pred += diff;
            let k = 1;
            while(k < 64){
                const rs = decodeHuffman(component.huffmanTableAC);
                const s = rs & 15, r = rs >> 4;
                if (s === 0) {
                    if (r < 15) {
                        break;
                    }
                    k += 16;
                    continue;
                }
                k += r;
                const z = dctZigZag[k];
                zz[z] = receiveAndExtend(s);
                k++;
            }
        }
        function decodeDCFirst(component, zz) {
            const t = decodeHuffman(component.huffmanTableDC);
            const diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
            zz[0] = component.pred += diff;
        }
        function decodeDCSuccessive(component, zz) {
            zz[0] |= readBit() << successive;
        }
        let eobrun = 0;
        function decodeACFirst(component, zz) {
            if (eobrun > 0) {
                eobrun--;
                return;
            }
            let k = spectralStart, e = spectralEnd;
            while(k <= e){
                const rs = decodeHuffman(component.huffmanTableAC);
                const s = rs & 15, r = rs >> 4;
                if (s === 0) {
                    if (r < 15) {
                        eobrun = receive(r) + (1 << r) - 1;
                        break;
                    }
                    k += 16;
                    continue;
                }
                k += r;
                const z = dctZigZag[k];
                zz[z] = receiveAndExtend(s) * (1 << successive);
                k++;
            }
        }
        let successiveACState = 0, successiveACNextValue;
        function decodeACSuccessive(component, zz) {
            let k = spectralStart, e = spectralEnd, r = 0;
            while(k <= e){
                const z = dctZigZag[k];
                const direction = zz[z] < 0 ? -1 : 1;
                switch(successiveACState){
                    case 0:
                        const rs = decodeHuffman(component.huffmanTableAC);
                        const s = rs & 15;
                        r = rs >> 4;
                        if (s === 0) {
                            if (r < 15) {
                                eobrun = receive(r) + (1 << r);
                                successiveACState = 4;
                            } else {
                                r = 16;
                                successiveACState = 1;
                            }
                        } else {
                            if (s !== 1) {
                                throw new Error("invalid ACn encoding");
                            }
                            successiveACNextValue = receiveAndExtend(s);
                            successiveACState = r ? 2 : 3;
                        }
                        continue;
                    case 1:
                    case 2:
                        if (zz[z]) {
                            zz[z] += (readBit() << successive) * direction;
                        } else {
                            r--;
                            if (r === 0) {
                                successiveACState = successiveACState == 2 ? 3 : 0;
                            }
                        }
                        break;
                    case 3:
                        if (zz[z]) {
                            zz[z] += (readBit() << successive) * direction;
                        } else {
                            zz[z] = successiveACNextValue << successive;
                            successiveACState = 0;
                        }
                        break;
                    case 4:
                        if (zz[z]) {
                            zz[z] += (readBit() << successive) * direction;
                        }
                        break;
                }
                k++;
            }
            if (successiveACState === 4) {
                eobrun--;
                if (eobrun === 0) {
                    successiveACState = 0;
                }
            }
        }
        function decodeMcu(component, decode, mcu, row, col) {
            const mcuRow = mcu / mcusPerLine | 0;
            const mcuCol = mcu % mcusPerLine;
            const blockRow = mcuRow * component.v + row;
            const blockCol = mcuCol * component.h + col;
            decode(component, component.blocks[blockRow][blockCol]);
        }
        function decodeBlock(component, decode, mcu) {
            const blockRow = mcu / component.blocksPerLine | 0;
            const blockCol = mcu % component.blocksPerLine;
            decode(component, component.blocks[blockRow][blockCol]);
        }
        const componentsLength = components.length;
        let component, i, j, k, n;
        let decodeFn;
        if (progressive) {
            if (spectralStart === 0) {
                decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
            } else {
                decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
            }
        } else {
            decodeFn = decodeBaseline;
        }
        let mcu = 0, marker;
        let mcuExpected;
        if (componentsLength == 1) {
            mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
        } else {
            mcuExpected = mcusPerLine * frame.mcusPerColumn;
        }
        if (!resetInterval) {
            resetInterval = mcuExpected;
        }
        let h, v;
        while(mcu < mcuExpected){
            for(i = 0; i < componentsLength; i++){
                components[i].pred = 0;
            }
            eobrun = 0;
            if (componentsLength == 1) {
                component = components[0];
                for(n = 0; n < resetInterval; n++){
                    decodeBlock(component, decodeFn, mcu);
                    mcu++;
                }
            } else {
                for(n = 0; n < resetInterval; n++){
                    for(i = 0; i < componentsLength; i++){
                        component = components[i];
                        h = component.h;
                        v = component.v;
                        for(j = 0; j < v; j++){
                            for(k = 0; k < h; k++){
                                decodeMcu(component, decodeFn, mcu, j, k);
                            }
                        }
                    }
                    mcu++;
                    if (mcu === mcuExpected) {
                        break;
                    }
                }
            }
            bitsCount = 0;
            marker = data[offset] << 8 | data[offset + 1];
            if (marker < 65280) {
                throw new Error("marker was not found");
            }
            if (marker >= 65488 && marker <= 65495) {
                offset += 2;
            } else {
                break;
            }
        }
        return offset - startOffset;
    }
    function buildComponentData(frame, component) {
        const lines = [];
        const blocksPerLine = component.blocksPerLine;
        const blocksPerColumn = component.blocksPerColumn;
        const samplesPerLine = blocksPerLine << 3;
        const R = new Int32Array(64), r = new Uint8Array(64);
        function quantizeAndInverse(zz, dataOut, dataIn) {
            const qt = component.quantizationTable;
            let v0, v1, v2, v3, v4, v5, v6, v7, t;
            const p = dataIn;
            let i;
            for(i = 0; i < 64; i++){
                p[i] = zz[i] * qt[i];
            }
            for(i = 0; i < 8; ++i){
                const row = 8 * i;
                if (p[1 + row] == 0 && p[2 + row] == 0 && p[3 + row] == 0 && p[4 + row] == 0 && p[5 + row] == 0 && p[6 + row] == 0 && p[7 + row] == 0) {
                    t = dctSqrt2 * p[0 + row] + 512 >> 10;
                    p[0 + row] = t;
                    p[1 + row] = t;
                    p[2 + row] = t;
                    p[3 + row] = t;
                    p[4 + row] = t;
                    p[5 + row] = t;
                    p[6 + row] = t;
                    p[7 + row] = t;
                    continue;
                }
                v0 = dctSqrt2 * p[0 + row] + 128 >> 8;
                v1 = dctSqrt2 * p[4 + row] + 128 >> 8;
                v2 = p[2 + row];
                v3 = p[6 + row];
                v4 = dctSqrt1d2 * (p[1 + row] - p[7 + row]) + 128 >> 8;
                v7 = dctSqrt1d2 * (p[1 + row] + p[7 + row]) + 128 >> 8;
                v5 = p[3 + row] << 4;
                v6 = p[5 + row] << 4;
                t = v0 - v1 + 1 >> 1;
                v0 = v0 + v1 + 1 >> 1;
                v1 = t;
                t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
                v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
                v3 = t;
                t = v4 - v6 + 1 >> 1;
                v4 = v4 + v6 + 1 >> 1;
                v6 = t;
                t = v7 + v5 + 1 >> 1;
                v5 = v7 - v5 + 1 >> 1;
                v7 = t;
                t = v0 - v3 + 1 >> 1;
                v0 = v0 + v3 + 1 >> 1;
                v3 = t;
                t = v1 - v2 + 1 >> 1;
                v1 = v1 + v2 + 1 >> 1;
                v2 = t;
                t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
                v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
                v7 = t;
                t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
                v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
                v6 = t;
                p[0 + row] = v0 + v7;
                p[7 + row] = v0 - v7;
                p[1 + row] = v1 + v6;
                p[6 + row] = v1 - v6;
                p[2 + row] = v2 + v5;
                p[5 + row] = v2 - v5;
                p[3 + row] = v3 + v4;
                p[4 + row] = v3 - v4;
            }
            for(i = 0; i < 8; ++i){
                const col = i;
                if (p[1 * 8 + col] == 0 && p[2 * 8 + col] == 0 && p[3 * 8 + col] == 0 && p[4 * 8 + col] == 0 && p[5 * 8 + col] == 0 && p[6 * 8 + col] == 0 && p[7 * 8 + col] == 0) {
                    t = dctSqrt2 * dataIn[i + 0] + 8192 >> 14;
                    p[0 * 8 + col] = t;
                    p[1 * 8 + col] = t;
                    p[2 * 8 + col] = t;
                    p[3 * 8 + col] = t;
                    p[4 * 8 + col] = t;
                    p[5 * 8 + col] = t;
                    p[6 * 8 + col] = t;
                    p[7 * 8 + col] = t;
                    continue;
                }
                v0 = dctSqrt2 * p[0 * 8 + col] + 2048 >> 12;
                v1 = dctSqrt2 * p[4 * 8 + col] + 2048 >> 12;
                v2 = p[2 * 8 + col];
                v3 = p[6 * 8 + col];
                v4 = dctSqrt1d2 * (p[1 * 8 + col] - p[7 * 8 + col]) + 2048 >> 12;
                v7 = dctSqrt1d2 * (p[1 * 8 + col] + p[7 * 8 + col]) + 2048 >> 12;
                v5 = p[3 * 8 + col];
                v6 = p[5 * 8 + col];
                t = v0 - v1 + 1 >> 1;
                v0 = v0 + v1 + 1 >> 1;
                v1 = t;
                t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
                v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
                v3 = t;
                t = v4 - v6 + 1 >> 1;
                v4 = v4 + v6 + 1 >> 1;
                v6 = t;
                t = v7 + v5 + 1 >> 1;
                v5 = v7 - v5 + 1 >> 1;
                v7 = t;
                t = v0 - v3 + 1 >> 1;
                v0 = v0 + v3 + 1 >> 1;
                v3 = t;
                t = v1 - v2 + 1 >> 1;
                v1 = v1 + v2 + 1 >> 1;
                v2 = t;
                t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
                v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
                v7 = t;
                t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
                v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
                v6 = t;
                p[0 * 8 + col] = v0 + v7;
                p[7 * 8 + col] = v0 - v7;
                p[1 * 8 + col] = v1 + v6;
                p[6 * 8 + col] = v1 - v6;
                p[2 * 8 + col] = v2 + v5;
                p[5 * 8 + col] = v2 - v5;
                p[3 * 8 + col] = v3 + v4;
                p[4 * 8 + col] = v3 - v4;
            }
            for(i = 0; i < 64; ++i){
                const sample = 128 + (p[i] + 8 >> 4);
                dataOut[i] = sample < 0 ? 0 : sample > 255 ? 255 : sample;
            }
        }
        let i, j;
        for(let blockRow = 0; blockRow < blocksPerColumn; blockRow++){
            const scanLine = blockRow << 3;
            for(i = 0; i < 8; i++){
                lines.push(new Uint8Array(samplesPerLine));
            }
            for(let blockCol = 0; blockCol < blocksPerLine; blockCol++){
                quantizeAndInverse(component.blocks[blockRow][blockCol], r, R);
                let offset = 0, sample = blockCol << 3;
                for(j = 0; j < 8; j++){
                    const line = lines[scanLine + j];
                    for(i = 0; i < 8; i++){
                        line[sample + i] = r[offset++];
                    }
                }
            }
        }
        return lines;
    }
    function clampTo8bit(a) {
        return a < 0 ? 0 : a > 255 ? 255 : a;
    }
    constructor.prototype = {
        load: function load(path) {
        },
        parse: function parse(data) {
            let offset = 0;
            function readUint16() {
                const value = data[offset] << 8 | data[offset + 1];
                offset += 2;
                return value;
            }
            function readDataBlock() {
                const length = readUint16();
                const array = data.subarray(offset, offset + length - 2);
                offset += array.length;
                return array;
            }
            function prepareComponents(frame) {
                let maxH = 0, maxV = 0;
                let component, componentId;
                for(componentId in frame.components){
                    if (frame.components.hasOwnProperty(componentId)) {
                        component = frame.components[componentId];
                        if (maxH < component.h) {
                            maxH = component.h;
                        }
                        if (maxV < component.v) {
                            maxV = component.v;
                        }
                    }
                }
                const mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / maxH);
                const mcusPerColumn = Math.ceil(frame.scanLines / 8 / maxV);
                for(componentId in frame.components){
                    if (frame.components.hasOwnProperty(componentId)) {
                        component = frame.components[componentId];
                        const blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / maxH);
                        const blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / maxV);
                        const blocksPerLineForMcu = mcusPerLine * component.h;
                        const blocksPerColumnForMcu = mcusPerColumn * component.v;
                        const blocks = [];
                        for(let i = 0; i < blocksPerColumnForMcu; i++){
                            const row = [];
                            for(let j = 0; j < blocksPerLineForMcu; j++){
                                row.push(new Int32Array(64));
                            }
                            blocks.push(row);
                        }
                        component.blocksPerLine = blocksPerLine;
                        component.blocksPerColumn = blocksPerColumn;
                        component.blocks = blocks;
                    }
                }
                frame.maxH = maxH;
                frame.maxV = maxV;
                frame.mcusPerLine = mcusPerLine;
                frame.mcusPerColumn = mcusPerColumn;
            }
            let jfif = null;
            let adobe = null;
            let frame, resetInterval;
            const quantizationTables = [], frames = [];
            const huffmanTablesAC = [], huffmanTablesDC = [];
            let fileMarker = readUint16();
            if (fileMarker != 65496) {
                throw new Error("SOI not found");
            }
            fileMarker = readUint16();
            while(fileMarker != 65497){
                let i, j, l;
                switch(fileMarker){
                    case 65280: break;
                    case 65504:
                    case 65505:
                    case 65506:
                    case 65507:
                    case 65508:
                    case 65509:
                    case 65510:
                    case 65511:
                    case 65512:
                    case 65513:
                    case 65514:
                    case 65515:
                    case 65516:
                    case 65517:
                    case 65518:
                    case 65519:
                    case 65534:
                        const appData = readDataBlock();
                        if (fileMarker === 65504) {
                            if (appData[0] === 74 && appData[1] === 70 && appData[2] === 73 && appData[3] === 70 && appData[4] === 0) {
                                jfif = {
                                    version: {
                                        major: appData[5],
                                        minor: appData[6]
                                    },
                                    densityUnits: appData[7],
                                    xDensity: appData[8] << 8 | appData[9],
                                    yDensity: appData[10] << 8 | appData[11],
                                    thumbWidth: appData[12],
                                    thumbHeight: appData[13],
                                    thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
                                };
                            }
                        }
                        if (fileMarker === 65518) {
                            if (appData[0] === 65 && appData[1] === 100 && appData[2] === 111 && appData[3] === 98 && appData[4] === 101 && appData[5] === 0) {
                                adobe = {
                                    version: appData[6],
                                    flags0: appData[7] << 8 | appData[8],
                                    flags1: appData[9] << 8 | appData[10],
                                    transformCode: appData[11]
                                };
                            }
                        }
                        break;
                    case 65499:
                        const quantizationTablesLength = readUint16();
                        const quantizationTablesEnd = quantizationTablesLength + offset - 2;
                        while(offset < quantizationTablesEnd){
                            const quantizationTableSpec = data[offset++];
                            const tableData = new Int32Array(64);
                            if (quantizationTableSpec >> 4 === 0) {
                                for(j = 0; j < 64; j++){
                                    const z = dctZigZag[j];
                                    tableData[z] = data[offset++];
                                }
                            } else if (quantizationTableSpec >> 4 === 1) {
                                for(j = 0; j < 64; j++){
                                    const z = dctZigZag[j];
                                    tableData[z] = readUint16();
                                }
                            } else {
                                throw new Error("DQT: invalid table spec");
                            }
                            quantizationTables[quantizationTableSpec & 15] = tableData;
                        }
                        break;
                    case 65472:
                    case 65473:
                    case 65474:
                        readUint16();
                        frame = {
                        };
                        frame.extended = fileMarker === 65473;
                        frame.progressive = fileMarker === 65474;
                        frame.precision = data[offset++];
                        frame.scanLines = readUint16();
                        frame.samplesPerLine = readUint16();
                        frame.components = {
                        };
                        frame.componentsOrder = [];
                        let componentsCount = data[offset++], componentId;
                        for(i = 0; i < componentsCount; i++){
                            componentId = data[offset];
                            const h = data[offset + 1] >> 4;
                            const v = data[offset + 1] & 15;
                            const qId = data[offset + 2];
                            frame.componentsOrder.push(componentId);
                            frame.components[componentId] = {
                                h: h,
                                v: v,
                                quantizationIdx: qId
                            };
                            offset += 3;
                        }
                        prepareComponents(frame);
                        frames.push(frame);
                        break;
                    case 65476:
                        const huffmanLength = readUint16();
                        for(i = 2; i < huffmanLength;){
                            const huffmanTableSpec = data[offset++];
                            const codeLengths = new Uint8Array(16);
                            let codeLengthSum = 0;
                            for(j = 0; j < 16; j++, offset++){
                                codeLengthSum += codeLengths[j] = data[offset];
                            }
                            const huffmanValues = new Uint8Array(codeLengthSum);
                            for(j = 0; j < codeLengthSum; j++, offset++){
                                huffmanValues[j] = data[offset];
                            }
                            i += 17 + codeLengthSum;
                            (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
                        }
                        break;
                    case 65501:
                        readUint16();
                        resetInterval = readUint16();
                        break;
                    case 65498:
                        readUint16();
                        const selectorsCount = data[offset++];
                        let components = [], component;
                        for(i = 0; i < selectorsCount; i++){
                            component = frame.components[data[offset++]];
                            const tableSpec = data[offset++];
                            component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
                            component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
                            components.push(component);
                        }
                        const spectralStart = data[offset++];
                        const spectralEnd = data[offset++];
                        const successiveApproximation = data[offset++];
                        const processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15);
                        offset += processed;
                        break;
                    case 65535:
                        if (data[offset] !== 255) {
                            offset--;
                        }
                        break;
                    default:
                        if (data[offset - 3] == 255 && data[offset - 2] >= 192 && data[offset - 2] <= 254) {
                            offset -= 3;
                            break;
                        }
                        throw new Error("unknown JPEG marker " + fileMarker.toString(16));
                }
                fileMarker = readUint16();
            }
            if (frames.length != 1) {
                throw new Error("only single frame JPEGs supported");
            }
            for(let i = 0; i < frames.length; i++){
                const cp = frames[i].components;
                for(const j in cp){
                    cp[j].quantizationTable = quantizationTables[cp[j].quantizationIdx];
                    delete cp[j].quantizationIdx;
                }
            }
            this.width = frame.samplesPerLine;
            this.height = frame.scanLines;
            this.jfif = jfif;
            this.adobe = adobe;
            this.components = [];
            for(let i1 = 0; i1 < frame.componentsOrder.length; i1++){
                const component = frame.components[frame.componentsOrder[i1]];
                this.components.push({
                    lines: buildComponentData(frame, component),
                    scaleX: component.h / frame.maxH,
                    scaleY: component.v / frame.maxV
                });
            }
        },
        getData: function getData(width, height) {
            const scaleX = this.width / width, scaleY = this.height / height;
            let component1, component2, component3, component4;
            let component1Line, component2Line, component3Line, component4Line;
            let x, y;
            let offset = 0;
            let Y, Cb, Cr, K, C, M, Ye, R, G, B;
            let colorTransform;
            const dataLength = width * height * this.components.length;
            const data = new Uint8Array(dataLength);
            switch(this.components.length){
                case 1:
                    component1 = this.components[0];
                    for(y = 0; y < height; y++){
                        component1Line = component1.lines[0 | y * component1.scaleY * scaleY];
                        for(x = 0; x < width; x++){
                            Y = component1Line[0 | x * component1.scaleX * scaleX];
                            data[offset++] = Y;
                        }
                    }
                    break;
                case 2:
                    component1 = this.components[0];
                    component2 = this.components[1];
                    for(y = 0; y < height; y++){
                        component1Line = component1.lines[0 | y * component1.scaleY * scaleY];
                        component2Line = component2.lines[0 | y * component2.scaleY * scaleY];
                        for(x = 0; x < width; x++){
                            Y = component1Line[0 | x * component1.scaleX * scaleX];
                            data[offset++] = Y;
                            Y = component2Line[0 | x * component2.scaleX * scaleX];
                            data[offset++] = Y;
                        }
                    }
                    break;
                case 3:
                    colorTransform = true;
                    if (this.adobe && this.adobe.transformCode) {
                        colorTransform = true;
                    } else if (typeof this.colorTransform !== "undefined") {
                        colorTransform = !!this.colorTransform;
                    }
                    component1 = this.components[0];
                    component2 = this.components[1];
                    component3 = this.components[2];
                    for(y = 0; y < height; y++){
                        component1Line = component1.lines[0 | y * component1.scaleY * scaleY];
                        component2Line = component2.lines[0 | y * component2.scaleY * scaleY];
                        component3Line = component3.lines[0 | y * component3.scaleY * scaleY];
                        for(x = 0; x < width; x++){
                            if (!colorTransform) {
                                R = component1Line[0 | x * component1.scaleX * scaleX];
                                G = component2Line[0 | x * component2.scaleX * scaleX];
                                B = component3Line[0 | x * component3.scaleX * scaleX];
                            } else {
                                Y = component1Line[0 | x * component1.scaleX * scaleX];
                                Cb = component2Line[0 | x * component2.scaleX * scaleX];
                                Cr = component3Line[0 | x * component3.scaleX * scaleX];
                                R = clampTo8bit(Y + 1.402 * (Cr - 128));
                                G = clampTo8bit(Y - 0.3441363 * (Cb - 128) - 0.71413636 * (Cr - 128));
                                B = clampTo8bit(Y + 1.772 * (Cb - 128));
                            }
                            data[offset++] = R;
                            data[offset++] = G;
                            data[offset++] = B;
                        }
                    }
                    break;
                case 4:
                    if (!this.adobe) {
                        throw new Error("Unsupported color mode (4 components)");
                    }
                    colorTransform = false;
                    if (this.adobe && this.adobe.transformCode) {
                        colorTransform = true;
                    } else if (typeof this.colorTransform !== "undefined") {
                        colorTransform = !!this.colorTransform;
                    }
                    component1 = this.components[0];
                    component2 = this.components[1];
                    component3 = this.components[2];
                    component4 = this.components[3];
                    for(y = 0; y < height; y++){
                        component1Line = component1.lines[0 | y * component1.scaleY * scaleY];
                        component2Line = component2.lines[0 | y * component2.scaleY * scaleY];
                        component3Line = component3.lines[0 | y * component3.scaleY * scaleY];
                        component4Line = component4.lines[0 | y * component4.scaleY * scaleY];
                        for(x = 0; x < width; x++){
                            if (!colorTransform) {
                                C = component1Line[0 | x * component1.scaleX * scaleX];
                                M = component2Line[0 | x * component2.scaleX * scaleX];
                                Ye = component3Line[0 | x * component3.scaleX * scaleX];
                                K = component4Line[0 | x * component4.scaleX * scaleX];
                            } else {
                                Y = component1Line[0 | x * component1.scaleX * scaleX];
                                Cb = component2Line[0 | x * component2.scaleX * scaleX];
                                Cr = component3Line[0 | x * component3.scaleX * scaleX];
                                K = component4Line[0 | x * component4.scaleX * scaleX];
                                C = 255 - clampTo8bit(Y + 1.402 * (Cr - 128));
                                M = 255 - clampTo8bit(Y - 0.3441363 * (Cb - 128) - 0.71413636 * (Cr - 128));
                                Ye = 255 - clampTo8bit(Y + 1.772 * (Cb - 128));
                            }
                            data[offset++] = 255 - C;
                            data[offset++] = 255 - M;
                            data[offset++] = 255 - Ye;
                            data[offset++] = 255 - K;
                        }
                    }
                    break;
                default:
                    throw new Error("Unsupported color mode");
            }
            return data;
        },
        copyToImageData: function copyToImageData(imageData) {
            const width = imageData.width, height = imageData.height;
            const imageDataArray = imageData.data;
            const data = this.getData(width, height);
            let i = 0, j = 0, x, y;
            let Y, K, C, M, R, G, B;
            switch(this.components.length){
                case 1:
                    for(y = 0; y < height; y++){
                        for(x = 0; x < width; x++){
                            Y = data[i++];
                            imageDataArray[j++] = Y;
                            imageDataArray[j++] = Y;
                            imageDataArray[j++] = Y;
                            imageDataArray[j++] = 255;
                        }
                    }
                    break;
                case 3:
                    for(y = 0; y < height; y++){
                        for(x = 0; x < width; x++){
                            R = data[i++];
                            G = data[i++];
                            B = data[i++];
                            imageDataArray[j++] = R;
                            imageDataArray[j++] = G;
                            imageDataArray[j++] = B;
                            imageDataArray[j++] = 255;
                        }
                    }
                    break;
                case 4:
                    for(y = 0; y < height; y++){
                        for(x = 0; x < width; x++){
                            C = data[i++];
                            M = data[i++];
                            Y = data[i++];
                            K = data[i++];
                            R = 255 - clampTo8bit(C * (1 - K / 255) + K);
                            G = 255 - clampTo8bit(M * (1 - K / 255) + K);
                            B = 255 - clampTo8bit(Y * (1 - K / 255) + K);
                            imageDataArray[j++] = R;
                            imageDataArray[j++] = G;
                            imageDataArray[j++] = B;
                            imageDataArray[j++] = 255;
                        }
                    }
                    break;
                default:
                    throw new Error("Unsupported color mode");
            }
        }
    };
    return constructor;
}();
class Image1 {
    getPixel(x, y) {
        const index = x + y * this.width;
        const rntVal = {
            r: this.data[index * 4],
            g: this.data[index * 4 + 1],
            b: this.data[index * 4 + 2],
            a: this.data[index * 4 + 3]
        };
        return rntVal;
    }
    setPixel(x, y, pix) {
        const index = x + y * this.width;
        this.data[index * 4] = pix.r;
        this.data[index * 4 + 1] = pix.g;
        this.data[index * 4 + 2] = pix.b;
        this.data[index * 4 + 3] = pix.a;
    }
}
const decode1 = function(jpegData, colorTransform = true) {
    const arr = new Uint8Array(jpegData);
    const decoder = new JpegImage();
    decoder.parse(arr);
    decoder.colorTransform = colorTransform;
    const image = new Image1();
    image.height = decoder.height;
    image.width = decoder.width;
    image.data = new Uint8Array(decoder.width * decoder.height * 4);
    decoder.copyToImageData(image);
    return image;
};
export { decode1 as decode };