mirror of
https://gitee.com/onvia/ccc-tnt-psd2ui
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266 lines
14 KiB
JavaScript
266 lines
14 KiB
JavaScript
import { BlnM, parseAngle, parsePercent, parseUnitsToNumber, readVersionAndDescriptor } from './descriptor';
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import { checkSignature, createReader, readBytes, readDataRLE, readInt16, readInt32, readPascalString, readPattern, readSignature, readUint16, readUint32, readUint8, skipBytes } from './psdReader';
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var dynamicsControl = ['off', 'fade', 'pen pressure', 'pen tilt', 'stylus wheel', 'initial direction', 'direction', 'initial rotation', 'rotation'];
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function parseDynamics(desc) {
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return {
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control: dynamicsControl[desc.bVTy],
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steps: desc.fStp,
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jitter: parsePercent(desc.jitter),
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minimum: parsePercent(desc['Mnm ']),
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};
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}
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function parseBrushShape(desc) {
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var shape = {
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size: parseUnitsToNumber(desc.Dmtr, 'Pixels'),
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angle: parseAngle(desc.Angl),
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roundness: parsePercent(desc.Rndn),
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spacingOn: desc.Intr,
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spacing: parsePercent(desc.Spcn),
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flipX: desc.flipX,
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flipY: desc.flipY,
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};
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if (desc['Nm '])
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shape.name = desc['Nm '];
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if (desc.Hrdn)
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shape.hardness = parsePercent(desc.Hrdn);
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if (desc.sampledData)
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shape.sampledData = desc.sampledData;
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return shape;
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}
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export function readAbr(buffer, options) {
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var _a, _b, _c, _d;
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if (options === void 0) { options = {}; }
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var reader = createReader(buffer.buffer, buffer.byteOffset, buffer.byteLength);
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var version = readInt16(reader);
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var samples = [];
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var brushes = [];
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var patterns = [];
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if (version === 1 || version === 2) {
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throw new Error("Unsupported ABR version (".concat(version, ")")); // TODO: ...
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}
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else if (version === 6 || version === 7 || version === 9 || version === 10) {
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var minorVersion = readInt16(reader);
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if (minorVersion !== 1 && minorVersion !== 2)
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throw new Error('Unsupported ABR minor version');
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while (reader.offset < reader.view.byteLength) {
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checkSignature(reader, '8BIM');
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var type = readSignature(reader);
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var size = readUint32(reader);
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var end = reader.offset + size;
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switch (type) {
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case 'samp': {
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while (reader.offset < end) {
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var brushLength = readUint32(reader);
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while (brushLength & 3)
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brushLength++; // pad to 4 byte alignment
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var brushEnd = reader.offset + brushLength;
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var id = readPascalString(reader, 1);
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// v1 - Skip the Int16 bounds rectangle and the unknown Int16.
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// v2 - Skip the unknown bytes.
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skipBytes(reader, minorVersion === 1 ? 10 : 264);
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var y = readInt32(reader);
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var x = readInt32(reader);
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var h = readInt32(reader) - y;
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var w = readInt32(reader) - x;
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if (w <= 0 || h <= 0)
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throw new Error('Invalid bounds');
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var depth = readInt16(reader);
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var compression = readUint8(reader); // 0 - raw, 1 - RLE
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var alpha = new Uint8Array(w * h);
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if (depth === 8) {
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if (compression === 0) {
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alpha.set(readBytes(reader, alpha.byteLength));
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}
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else if (compression === 1) {
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readDataRLE(reader, { width: w, height: h, data: alpha }, w, h, 1, [0], false);
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}
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else {
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throw new Error('Invalid compression');
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}
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}
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else if (depth === 16) {
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if (compression === 0) {
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for (var i = 0; i < alpha.byteLength; i++) {
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alpha[i] = readUint16(reader) >> 8; // convert to 8bit values
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}
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}
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else if (compression === 1) {
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throw new Error('not implemented (16bit RLE)'); // TODO: ...
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}
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else {
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throw new Error('Invalid compression');
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}
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}
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else {
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throw new Error('Invalid depth');
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}
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samples.push({ id: id, bounds: { x: x, y: y, w: w, h: h }, alpha: alpha });
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reader.offset = brushEnd;
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}
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break;
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}
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case 'desc': {
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var desc = readVersionAndDescriptor(reader);
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// console.log(require('util').inspect(desc, false, 99, true));
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for (var _i = 0, _e = desc.Brsh; _i < _e.length; _i++) {
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var brush = _e[_i];
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var b = {
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name: brush['Nm '],
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shape: parseBrushShape(brush.Brsh),
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spacing: parsePercent(brush.Spcn),
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// TODO: brushGroup ???
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wetEdges: brush.Wtdg,
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noise: brush.Nose,
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// TODO: TxtC ??? smoothing / build-up ?
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// TODO: 'Rpt ' ???
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useBrushSize: brush.useBrushSize, // ???
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};
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if (brush.interpretation != null)
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b.interpretation = brush.interpretation;
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if (brush.protectTexture != null)
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b.protectTexture = brush.protectTexture;
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if (brush.useTipDynamics) {
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b.shapeDynamics = {
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tiltScale: parsePercent(brush.tiltScale),
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sizeDynamics: parseDynamics(brush.szVr),
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angleDynamics: parseDynamics(brush.angleDynamics),
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roundnessDynamics: parseDynamics(brush.roundnessDynamics),
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flipX: brush.flipX,
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flipY: brush.flipY,
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brushProjection: brush.brushProjection,
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minimumDiameter: parsePercent(brush.minimumDiameter),
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minimumRoundness: parsePercent(brush.minimumRoundness),
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};
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}
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if (brush.useScatter) {
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b.scatter = {
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count: brush['Cnt '],
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bothAxes: brush.bothAxes,
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countDynamics: parseDynamics(brush.countDynamics),
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scatterDynamics: parseDynamics(brush.scatterDynamics),
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};
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}
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if (brush.useTexture && brush.Txtr) {
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b.texture = {
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id: brush.Txtr.Idnt,
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name: brush.Txtr['Nm '],
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blendMode: BlnM.decode(brush.textureBlendMode),
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depth: parsePercent(brush.textureDepth),
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depthMinimum: parsePercent(brush.minimumDepth),
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depthDynamics: parseDynamics(brush.textureDepthDynamics),
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scale: parsePercent(brush.textureScale),
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invert: brush.InvT,
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brightness: brush.textureBrightness,
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contrast: brush.textureContrast,
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};
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}
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var db = brush.dualBrush;
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if (db && db.useDualBrush) {
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b.dualBrush = {
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flip: db.Flip,
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shape: parseBrushShape(db.Brsh),
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blendMode: BlnM.decode(db.BlnM),
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useScatter: db.useScatter,
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spacing: parsePercent(db.Spcn),
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count: db['Cnt '],
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bothAxes: db.bothAxes,
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countDynamics: parseDynamics(db.countDynamics),
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scatterDynamics: parseDynamics(db.scatterDynamics),
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};
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}
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if (brush.useColorDynamics) {
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b.colorDynamics = {
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foregroundBackground: parseDynamics(brush.clVr),
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hue: parsePercent(brush['H ']),
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saturation: parsePercent(brush.Strt),
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brightness: parsePercent(brush.Brgh),
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purity: parsePercent(brush.purity),
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perTip: brush.colorDynamicsPerTip,
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};
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}
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if (brush.usePaintDynamics) {
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b.transfer = {
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flowDynamics: parseDynamics(brush.prVr),
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opacityDynamics: parseDynamics(brush.opVr),
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wetnessDynamics: parseDynamics(brush.wtVr),
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mixDynamics: parseDynamics(brush.mxVr),
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};
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}
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if (brush.useBrushPose) {
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b.brushPose = {
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overrideAngle: brush.overridePoseAngle,
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overrideTiltX: brush.overridePoseTiltX,
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overrideTiltY: brush.overridePoseTiltY,
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overridePressure: brush.overridePosePressure,
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pressure: parsePercent(brush.brushPosePressure),
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tiltX: brush.brushPoseTiltX,
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tiltY: brush.brushPoseTiltY,
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angle: brush.brushPoseAngle,
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};
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}
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var to = brush.toolOptions;
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if (to) {
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b.toolOptions = {
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brushPreset: to.brushPreset,
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flow: (_a = to.flow) !== null && _a !== void 0 ? _a : 100,
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smooth: (_b = to.Smoo) !== null && _b !== void 0 ? _b : 0,
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mode: BlnM.decode(to['Md '] || 'BlnM.Nrml'),
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opacity: (_c = to.Opct) !== null && _c !== void 0 ? _c : 100,
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smoothing: !!to.smoothing,
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smoothingValue: to.smoothingValue || 0,
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smoothingRadiusMode: !!to.smoothingRadiusMode,
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smoothingCatchup: !!to.smoothingCatchup,
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smoothingCatchupAtEnd: !!to.smoothingCatchupAtEnd,
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smoothingZoomCompensation: !!to.smoothingZoomCompensation,
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pressureSmoothing: !!to.pressureSmoothing,
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usePressureOverridesSize: !!to.usePressureOverridesSize,
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usePressureOverridesOpacity: !!to.usePressureOverridesOpacity,
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useLegacy: !!to.useLegacy,
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};
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if (to.prVr) {
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b.toolOptions.flowDynamics = parseDynamics(to.prVr);
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}
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if (to.opVr) {
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b.toolOptions.opacityDynamics = parseDynamics(to.opVr);
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}
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if (to.szVr) {
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b.toolOptions.sizeDynamics = parseDynamics(to.szVr);
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}
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}
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brushes.push(b);
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}
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break;
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}
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case 'patt': {
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if (reader.offset < end) { // TODO: check multiple patterns
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patterns.push(readPattern(reader));
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reader.offset = end;
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}
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break;
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}
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case 'phry': {
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// TODO: what is this ?
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var desc = readVersionAndDescriptor(reader);
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if (options.logMissingFeatures) {
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if ((_d = desc.hierarchy) === null || _d === void 0 ? void 0 : _d.length) {
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console.log('unhandled phry section', desc);
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}
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}
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break;
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}
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default:
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throw new Error("Invalid brush type: ".concat(type));
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}
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// align to 4 bytes
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while (size % 4) {
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reader.offset++;
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size++;
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}
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}
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}
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else {
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throw new Error("Unsupported ABR version (".concat(version, ")"));
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}
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return { samples: samples, patterns: patterns, brushes: brushes };
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}
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//# sourceMappingURL=abr.js.map
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