mirror of
https://gitee.com/onvia/ccc-tnt-psd2ui
synced 2024-12-26 11:48:25 +00:00
304 lines
14 KiB
JavaScript
304 lines
14 KiB
JavaScript
import { toBlendMode, fromBlendMode } from './helpers';
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import { checkSignature, readSignature, skipBytes, readUint16, readUint8, readUint32, readFixedPoint32, readColor } from './psdReader';
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import { writeSignature, writeUint16, writeZeros, writeFixedPoint32, writeUint8, writeUint32, writeColor } from './psdWriter';
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var bevelStyles = [
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undefined, 'outer bevel', 'inner bevel', 'emboss', 'pillow emboss', 'stroke emboss'
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];
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function readBlendMode(reader) {
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checkSignature(reader, '8BIM');
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return toBlendMode[readSignature(reader)] || 'normal';
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}
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function writeBlendMode(writer, mode) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, fromBlendMode[mode] || 'norm');
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}
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function readFixedPoint8(reader) {
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return readUint8(reader) / 0xff;
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}
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function writeFixedPoint8(writer, value) {
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writeUint8(writer, Math.round(value * 0xff) | 0);
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}
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export function readEffects(reader) {
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var version = readUint16(reader);
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if (version !== 0)
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throw new Error("Invalid effects layer version: ".concat(version));
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var effectsCount = readUint16(reader);
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var effects = {};
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for (var i = 0; i < effectsCount; i++) {
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checkSignature(reader, '8BIM');
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var type = readSignature(reader);
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switch (type) {
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case 'cmnS': { // common state (see See Effects layer, common state info)
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var size = readUint32(reader);
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var version_1 = readUint32(reader);
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var visible = !!readUint8(reader);
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skipBytes(reader, 2);
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if (size !== 7 || version_1 !== 0 || !visible)
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throw new Error("Invalid effects common state");
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break;
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}
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case 'dsdw': // drop shadow (see See Effects layer, drop shadow and inner shadow info)
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case 'isdw': { // inner shadow (see See Effects layer, drop shadow and inner shadow info)
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var blockSize = readUint32(reader);
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var version_2 = readUint32(reader);
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if (blockSize !== 41 && blockSize !== 51)
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throw new Error("Invalid shadow size: ".concat(blockSize));
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if (version_2 !== 0 && version_2 !== 2)
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throw new Error("Invalid shadow version: ".concat(version_2));
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var size = readFixedPoint32(reader);
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readFixedPoint32(reader); // intensity
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var angle = readFixedPoint32(reader);
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var distance = readFixedPoint32(reader);
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var color = readColor(reader);
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var blendMode = readBlendMode(reader);
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var enabled = !!readUint8(reader);
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var useGlobalLight = !!readUint8(reader);
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var opacity = readFixedPoint8(reader);
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if (blockSize >= 51)
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readColor(reader); // native color
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var shadowInfo = {
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size: { units: 'Pixels', value: size },
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distance: { units: 'Pixels', value: distance },
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angle: angle,
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color: color,
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blendMode: blendMode,
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enabled: enabled,
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useGlobalLight: useGlobalLight,
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opacity: opacity
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};
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if (type === 'dsdw') {
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effects.dropShadow = [shadowInfo];
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}
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else {
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effects.innerShadow = [shadowInfo];
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}
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break;
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}
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case 'oglw': { // outer glow (see See Effects layer, outer glow info)
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var blockSize = readUint32(reader);
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var version_3 = readUint32(reader);
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if (blockSize !== 32 && blockSize !== 42)
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throw new Error("Invalid outer glow size: ".concat(blockSize));
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if (version_3 !== 0 && version_3 !== 2)
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throw new Error("Invalid outer glow version: ".concat(version_3));
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var size = readFixedPoint32(reader);
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readFixedPoint32(reader); // intensity
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var color = readColor(reader);
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var blendMode = readBlendMode(reader);
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var enabled = !!readUint8(reader);
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var opacity = readFixedPoint8(reader);
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if (blockSize >= 42)
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readColor(reader); // native color
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effects.outerGlow = {
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size: { units: 'Pixels', value: size },
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color: color,
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blendMode: blendMode,
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enabled: enabled,
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opacity: opacity
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};
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break;
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}
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case 'iglw': { // inner glow (see See Effects layer, inner glow info)
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var blockSize = readUint32(reader);
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var version_4 = readUint32(reader);
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if (blockSize !== 32 && blockSize !== 43)
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throw new Error("Invalid inner glow size: ".concat(blockSize));
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if (version_4 !== 0 && version_4 !== 2)
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throw new Error("Invalid inner glow version: ".concat(version_4));
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var size = readFixedPoint32(reader);
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readFixedPoint32(reader); // intensity
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var color = readColor(reader);
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var blendMode = readBlendMode(reader);
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var enabled = !!readUint8(reader);
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var opacity = readFixedPoint8(reader);
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if (blockSize >= 43) {
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readUint8(reader); // inverted
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readColor(reader); // native color
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}
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effects.innerGlow = {
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size: { units: 'Pixels', value: size },
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color: color,
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blendMode: blendMode,
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enabled: enabled,
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opacity: opacity
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};
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break;
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}
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case 'bevl': { // bevel (see See Effects layer, bevel info)
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var blockSize = readUint32(reader);
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var version_5 = readUint32(reader);
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if (blockSize !== 58 && blockSize !== 78)
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throw new Error("Invalid bevel size: ".concat(blockSize));
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if (version_5 !== 0 && version_5 !== 2)
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throw new Error("Invalid bevel version: ".concat(version_5));
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var angle = readFixedPoint32(reader);
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var strength = readFixedPoint32(reader);
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var size = readFixedPoint32(reader);
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var highlightBlendMode = readBlendMode(reader);
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var shadowBlendMode = readBlendMode(reader);
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var highlightColor = readColor(reader);
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var shadowColor = readColor(reader);
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var style = bevelStyles[readUint8(reader)] || 'inner bevel';
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var highlightOpacity = readFixedPoint8(reader);
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var shadowOpacity = readFixedPoint8(reader);
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var enabled = !!readUint8(reader);
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var useGlobalLight = !!readUint8(reader);
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var direction = readUint8(reader) ? 'down' : 'up';
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if (blockSize >= 78) {
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readColor(reader); // real highlight color
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readColor(reader); // real shadow color
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}
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effects.bevel = {
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size: { units: 'Pixels', value: size },
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angle: angle,
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strength: strength,
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highlightBlendMode: highlightBlendMode,
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shadowBlendMode: shadowBlendMode,
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highlightColor: highlightColor,
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shadowColor: shadowColor,
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style: style,
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highlightOpacity: highlightOpacity,
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shadowOpacity: shadowOpacity,
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enabled: enabled,
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useGlobalLight: useGlobalLight,
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direction: direction,
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};
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break;
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}
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case 'sofi': { // solid fill (Photoshop 7.0) (see See Effects layer, solid fill (added in Photoshop 7.0))
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var size = readUint32(reader);
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var version_6 = readUint32(reader);
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if (size !== 34)
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throw new Error("Invalid effects solid fill info size: ".concat(size));
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if (version_6 !== 2)
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throw new Error("Invalid effects solid fill info version: ".concat(version_6));
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var blendMode = readBlendMode(reader);
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var color = readColor(reader);
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var opacity = readFixedPoint8(reader);
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var enabled = !!readUint8(reader);
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readColor(reader); // native color
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effects.solidFill = [{ blendMode: blendMode, color: color, opacity: opacity, enabled: enabled }];
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break;
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}
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default:
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throw new Error("Invalid effect type: '".concat(type, "'"));
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}
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}
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return effects;
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}
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function writeShadowInfo(writer, shadow) {
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var _a;
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writeUint32(writer, 51);
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writeUint32(writer, 2);
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writeFixedPoint32(writer, shadow.size && shadow.size.value || 0);
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writeFixedPoint32(writer, 0); // intensity
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writeFixedPoint32(writer, shadow.angle || 0);
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writeFixedPoint32(writer, shadow.distance && shadow.distance.value || 0);
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writeColor(writer, shadow.color);
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writeBlendMode(writer, shadow.blendMode);
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writeUint8(writer, shadow.enabled ? 1 : 0);
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writeUint8(writer, shadow.useGlobalLight ? 1 : 0);
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writeFixedPoint8(writer, (_a = shadow.opacity) !== null && _a !== void 0 ? _a : 1);
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writeColor(writer, shadow.color); // native color
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}
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export function writeEffects(writer, effects) {
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var _a, _b, _c, _d, _e, _f;
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var dropShadow = (_a = effects.dropShadow) === null || _a === void 0 ? void 0 : _a[0];
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var innerShadow = (_b = effects.innerShadow) === null || _b === void 0 ? void 0 : _b[0];
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var outerGlow = effects.outerGlow;
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var innerGlow = effects.innerGlow;
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var bevel = effects.bevel;
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var solidFill = (_c = effects.solidFill) === null || _c === void 0 ? void 0 : _c[0];
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var count = 1;
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if (dropShadow)
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count++;
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if (innerShadow)
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count++;
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if (outerGlow)
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count++;
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if (innerGlow)
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count++;
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if (bevel)
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count++;
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if (solidFill)
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count++;
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writeUint16(writer, 0);
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writeUint16(writer, count);
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'cmnS');
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writeUint32(writer, 7); // size
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writeUint32(writer, 0); // version
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writeUint8(writer, 1); // visible
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writeZeros(writer, 2);
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if (dropShadow) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'dsdw');
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writeShadowInfo(writer, dropShadow);
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}
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if (innerShadow) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'isdw');
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writeShadowInfo(writer, innerShadow);
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}
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if (outerGlow) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'oglw');
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writeUint32(writer, 42);
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writeUint32(writer, 2);
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writeFixedPoint32(writer, ((_d = outerGlow.size) === null || _d === void 0 ? void 0 : _d.value) || 0);
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writeFixedPoint32(writer, 0); // intensity
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writeColor(writer, outerGlow.color);
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writeBlendMode(writer, outerGlow.blendMode);
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writeUint8(writer, outerGlow.enabled ? 1 : 0);
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writeFixedPoint8(writer, outerGlow.opacity || 0);
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writeColor(writer, outerGlow.color);
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}
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if (innerGlow) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'iglw');
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writeUint32(writer, 43);
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writeUint32(writer, 2);
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writeFixedPoint32(writer, ((_e = innerGlow.size) === null || _e === void 0 ? void 0 : _e.value) || 0);
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writeFixedPoint32(writer, 0); // intensity
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writeColor(writer, innerGlow.color);
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writeBlendMode(writer, innerGlow.blendMode);
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writeUint8(writer, innerGlow.enabled ? 1 : 0);
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writeFixedPoint8(writer, innerGlow.opacity || 0);
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writeUint8(writer, 0); // inverted
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writeColor(writer, innerGlow.color);
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}
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if (bevel) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'bevl');
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writeUint32(writer, 78);
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writeUint32(writer, 2);
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writeFixedPoint32(writer, bevel.angle || 0);
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writeFixedPoint32(writer, bevel.strength || 0);
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writeFixedPoint32(writer, ((_f = bevel.size) === null || _f === void 0 ? void 0 : _f.value) || 0);
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writeBlendMode(writer, bevel.highlightBlendMode);
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writeBlendMode(writer, bevel.shadowBlendMode);
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writeColor(writer, bevel.highlightColor);
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writeColor(writer, bevel.shadowColor);
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var style = bevelStyles.indexOf(bevel.style);
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writeUint8(writer, style <= 0 ? 1 : style);
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writeFixedPoint8(writer, bevel.highlightOpacity || 0);
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writeFixedPoint8(writer, bevel.shadowOpacity || 0);
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writeUint8(writer, bevel.enabled ? 1 : 0);
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writeUint8(writer, bevel.useGlobalLight ? 1 : 0);
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writeUint8(writer, bevel.direction === 'down' ? 1 : 0);
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writeColor(writer, bevel.highlightColor);
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writeColor(writer, bevel.shadowColor);
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}
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if (solidFill) {
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writeSignature(writer, '8BIM');
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writeSignature(writer, 'sofi');
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writeUint32(writer, 34);
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writeUint32(writer, 2);
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writeBlendMode(writer, solidFill.blendMode);
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writeColor(writer, solidFill.color);
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writeFixedPoint8(writer, solidFill.opacity || 0);
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writeUint8(writer, solidFill.enabled ? 1 : 0);
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writeColor(writer, solidFill.color);
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}
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}
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//# sourceMappingURL=effectsHelpers.js.map
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