ccc-tnt-psd2ui/npm-packages/mac-v3.4.+/ag-psd/dist/abr.js

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2023-07-24 03:13:08 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.readAbr = void 0;
var descriptor_1 = require("./descriptor");
var psdReader_1 = require("./psdReader");
var dynamicsControl = ['off', 'fade', 'pen pressure', 'pen tilt', 'stylus wheel', 'initial direction', 'direction', 'initial rotation', 'rotation'];
function parseDynamics(desc) {
return {
control: dynamicsControl[desc.bVTy],
steps: desc.fStp,
jitter: (0, descriptor_1.parsePercent)(desc.jitter),
minimum: (0, descriptor_1.parsePercent)(desc['Mnm ']),
};
}
function parseBrushShape(desc) {
var shape = {
size: (0, descriptor_1.parseUnitsToNumber)(desc.Dmtr, 'Pixels'),
angle: (0, descriptor_1.parseAngle)(desc.Angl),
roundness: (0, descriptor_1.parsePercent)(desc.Rndn),
spacingOn: desc.Intr,
spacing: (0, descriptor_1.parsePercent)(desc.Spcn),
flipX: desc.flipX,
flipY: desc.flipY,
};
if (desc['Nm '])
shape.name = desc['Nm '];
if (desc.Hrdn)
shape.hardness = (0, descriptor_1.parsePercent)(desc.Hrdn);
if (desc.sampledData)
shape.sampledData = desc.sampledData;
return shape;
}
function readAbr(buffer, options) {
var _a, _b, _c, _d;
if (options === void 0) { options = {}; }
var reader = (0, psdReader_1.createReader)(buffer.buffer, buffer.byteOffset, buffer.byteLength);
var version = (0, psdReader_1.readInt16)(reader);
var samples = [];
var brushes = [];
var patterns = [];
if (version === 1 || version === 2) {
throw new Error("Unsupported ABR version (".concat(version, ")")); // TODO: ...
}
else if (version === 6 || version === 7 || version === 9 || version === 10) {
var minorVersion = (0, psdReader_1.readInt16)(reader);
if (minorVersion !== 1 && minorVersion !== 2)
throw new Error('Unsupported ABR minor version');
while (reader.offset < reader.view.byteLength) {
(0, psdReader_1.checkSignature)(reader, '8BIM');
var type = (0, psdReader_1.readSignature)(reader);
var size = (0, psdReader_1.readUint32)(reader);
var end = reader.offset + size;
switch (type) {
case 'samp': {
while (reader.offset < end) {
var brushLength = (0, psdReader_1.readUint32)(reader);
while (brushLength & 3)
brushLength++; // pad to 4 byte alignment
var brushEnd = reader.offset + brushLength;
var id = (0, psdReader_1.readPascalString)(reader, 1);
// v1 - Skip the Int16 bounds rectangle and the unknown Int16.
// v2 - Skip the unknown bytes.
(0, psdReader_1.skipBytes)(reader, minorVersion === 1 ? 10 : 264);
var y = (0, psdReader_1.readInt32)(reader);
var x = (0, psdReader_1.readInt32)(reader);
var h = (0, psdReader_1.readInt32)(reader) - y;
var w = (0, psdReader_1.readInt32)(reader) - x;
if (w <= 0 || h <= 0)
throw new Error('Invalid bounds');
var depth = (0, psdReader_1.readInt16)(reader);
var compression = (0, psdReader_1.readUint8)(reader); // 0 - raw, 1 - RLE
var alpha = new Uint8Array(w * h);
if (depth === 8) {
if (compression === 0) {
alpha.set((0, psdReader_1.readBytes)(reader, alpha.byteLength));
}
else if (compression === 1) {
(0, psdReader_1.readDataRLE)(reader, { width: w, height: h, data: alpha }, w, h, 1, [0], false);
}
else {
throw new Error('Invalid compression');
}
}
else if (depth === 16) {
if (compression === 0) {
for (var i = 0; i < alpha.byteLength; i++) {
alpha[i] = (0, psdReader_1.readUint16)(reader) >> 8; // convert to 8bit values
}
}
else if (compression === 1) {
throw new Error('not implemented (16bit RLE)'); // TODO: ...
}
else {
throw new Error('Invalid compression');
}
}
else {
throw new Error('Invalid depth');
}
samples.push({ id: id, bounds: { x: x, y: y, w: w, h: h }, alpha: alpha });
reader.offset = brushEnd;
}
break;
}
case 'desc': {
var desc = (0, descriptor_1.readVersionAndDescriptor)(reader);
// console.log(require('util').inspect(desc, false, 99, true));
for (var _i = 0, _e = desc.Brsh; _i < _e.length; _i++) {
var brush = _e[_i];
var b = {
name: brush['Nm '],
shape: parseBrushShape(brush.Brsh),
spacing: (0, descriptor_1.parsePercent)(brush.Spcn),
// TODO: brushGroup ???
wetEdges: brush.Wtdg,
noise: brush.Nose,
// TODO: TxtC ??? smoothing / build-up ?
// TODO: 'Rpt ' ???
useBrushSize: brush.useBrushSize, // ???
};
if (brush.interpretation != null)
b.interpretation = brush.interpretation;
if (brush.protectTexture != null)
b.protectTexture = brush.protectTexture;
if (brush.useTipDynamics) {
b.shapeDynamics = {
tiltScale: (0, descriptor_1.parsePercent)(brush.tiltScale),
sizeDynamics: parseDynamics(brush.szVr),
angleDynamics: parseDynamics(brush.angleDynamics),
roundnessDynamics: parseDynamics(brush.roundnessDynamics),
flipX: brush.flipX,
flipY: brush.flipY,
brushProjection: brush.brushProjection,
minimumDiameter: (0, descriptor_1.parsePercent)(brush.minimumDiameter),
minimumRoundness: (0, descriptor_1.parsePercent)(brush.minimumRoundness),
};
}
if (brush.useScatter) {
b.scatter = {
count: brush['Cnt '],
bothAxes: brush.bothAxes,
countDynamics: parseDynamics(brush.countDynamics),
scatterDynamics: parseDynamics(brush.scatterDynamics),
};
}
if (brush.useTexture && brush.Txtr) {
b.texture = {
id: brush.Txtr.Idnt,
name: brush.Txtr['Nm '],
blendMode: descriptor_1.BlnM.decode(brush.textureBlendMode),
depth: (0, descriptor_1.parsePercent)(brush.textureDepth),
depthMinimum: (0, descriptor_1.parsePercent)(brush.minimumDepth),
depthDynamics: parseDynamics(brush.textureDepthDynamics),
scale: (0, descriptor_1.parsePercent)(brush.textureScale),
invert: brush.InvT,
brightness: brush.textureBrightness,
contrast: brush.textureContrast,
};
}
var db = brush.dualBrush;
if (db && db.useDualBrush) {
b.dualBrush = {
flip: db.Flip,
shape: parseBrushShape(db.Brsh),
blendMode: descriptor_1.BlnM.decode(db.BlnM),
useScatter: db.useScatter,
spacing: (0, descriptor_1.parsePercent)(db.Spcn),
count: db['Cnt '],
bothAxes: db.bothAxes,
countDynamics: parseDynamics(db.countDynamics),
scatterDynamics: parseDynamics(db.scatterDynamics),
};
}
if (brush.useColorDynamics) {
b.colorDynamics = {
foregroundBackground: parseDynamics(brush.clVr),
hue: (0, descriptor_1.parsePercent)(brush['H ']),
saturation: (0, descriptor_1.parsePercent)(brush.Strt),
brightness: (0, descriptor_1.parsePercent)(brush.Brgh),
purity: (0, descriptor_1.parsePercent)(brush.purity),
perTip: brush.colorDynamicsPerTip,
};
}
if (brush.usePaintDynamics) {
b.transfer = {
flowDynamics: parseDynamics(brush.prVr),
opacityDynamics: parseDynamics(brush.opVr),
wetnessDynamics: parseDynamics(brush.wtVr),
mixDynamics: parseDynamics(brush.mxVr),
};
}
if (brush.useBrushPose) {
b.brushPose = {
overrideAngle: brush.overridePoseAngle,
overrideTiltX: brush.overridePoseTiltX,
overrideTiltY: brush.overridePoseTiltY,
overridePressure: brush.overridePosePressure,
pressure: (0, descriptor_1.parsePercent)(brush.brushPosePressure),
tiltX: brush.brushPoseTiltX,
tiltY: brush.brushPoseTiltY,
angle: brush.brushPoseAngle,
};
}
var to = brush.toolOptions;
if (to) {
b.toolOptions = {
brushPreset: to.brushPreset,
flow: (_a = to.flow) !== null && _a !== void 0 ? _a : 100,
smooth: (_b = to.Smoo) !== null && _b !== void 0 ? _b : 0,
mode: descriptor_1.BlnM.decode(to['Md '] || 'BlnM.Nrml'),
opacity: (_c = to.Opct) !== null && _c !== void 0 ? _c : 100,
smoothing: !!to.smoothing,
smoothingValue: to.smoothingValue || 0,
smoothingRadiusMode: !!to.smoothingRadiusMode,
smoothingCatchup: !!to.smoothingCatchup,
smoothingCatchupAtEnd: !!to.smoothingCatchupAtEnd,
smoothingZoomCompensation: !!to.smoothingZoomCompensation,
pressureSmoothing: !!to.pressureSmoothing,
usePressureOverridesSize: !!to.usePressureOverridesSize,
usePressureOverridesOpacity: !!to.usePressureOverridesOpacity,
useLegacy: !!to.useLegacy,
};
if (to.prVr) {
b.toolOptions.flowDynamics = parseDynamics(to.prVr);
}
if (to.opVr) {
b.toolOptions.opacityDynamics = parseDynamics(to.opVr);
}
if (to.szVr) {
b.toolOptions.sizeDynamics = parseDynamics(to.szVr);
}
}
brushes.push(b);
}
break;
}
case 'patt': {
if (reader.offset < end) { // TODO: check multiple patterns
patterns.push((0, psdReader_1.readPattern)(reader));
reader.offset = end;
}
break;
}
case 'phry': {
// TODO: what is this ?
var desc = (0, descriptor_1.readVersionAndDescriptor)(reader);
if (options.logMissingFeatures) {
if ((_d = desc.hierarchy) === null || _d === void 0 ? void 0 : _d.length) {
console.log('unhandled phry section', desc);
}
}
break;
}
default:
throw new Error("Invalid brush type: ".concat(type));
}
// align to 4 bytes
while (size % 4) {
reader.offset++;
size++;
}
}
}
else {
throw new Error("Unsupported ABR version (".concat(version, ")"));
}
return { samples: samples, patterns: patterns, brushes: brushes };
}
exports.readAbr = readAbr;
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