142 lines
5.2 KiB
JavaScript
142 lines
5.2 KiB
JavaScript
import IconItem from './IconItem.js';
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import RawIconItem from './RawIconItem.js';
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import { readUint8WithLastOffset, readUint16WithLastOffset, readUint32WithLastOffset, copyBuffer, createDataView, } from '../util/functions.js';
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function generateEntryBinary(icons) {
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var count = icons.length;
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/* istanbul ignore if */
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if (count > 65535) {
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count = 65535;
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}
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var tmpIcons = icons.map(function (item) {
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if (item.data.isIcon()) {
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return {
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item: item,
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bin: item.data.generate(),
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offset: 0,
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};
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}
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else {
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return {
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item: item,
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bin: item.data.bin,
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offset: 0,
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};
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}
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});
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var size = tmpIcons.reduce(function (p, icon) {
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icon.offset = p;
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return p + icon.bin.byteLength;
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}, 6 + 16 * count);
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var bin = new ArrayBuffer(size);
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var view = new DataView(bin);
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view.setUint16(0, 0, true); // reserved
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view.setUint16(2, 1, true); // icon type
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view.setUint16(4, count, true);
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var offset = 6;
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tmpIcons.forEach(function (icon) {
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var item = icon.item;
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var width;
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var height;
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var colors;
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var planes;
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var bitCount;
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if (item.data.isIcon()) {
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var bi = item.data.bitmapInfo;
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width =
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typeof item.width !== 'undefined'
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? item.width
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: Math.abs(bi.width);
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height =
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typeof item.height !== 'undefined'
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? item.height
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: Math.abs(bi.height / 2);
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colors =
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typeof item.colors !== 'undefined'
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? item.colors
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: bi.colorUsed || bi.colors.length;
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planes =
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typeof item.planes !== 'undefined' ? item.planes : bi.planes;
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bitCount =
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typeof item.bitCount !== 'undefined'
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? item.bitCount
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: bi.bitCount;
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}
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else {
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width =
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typeof item.width !== 'undefined'
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? item.width
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: Math.abs(item.data.width);
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height =
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typeof item.height !== 'undefined'
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? item.height
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: Math.abs(item.data.height);
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colors = typeof item.colors !== 'undefined' ? item.colors : 0;
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planes = typeof item.planes !== 'undefined' ? item.planes : 1;
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bitCount =
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typeof item.bitCount !== 'undefined'
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? item.bitCount
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: item.data.bitCount;
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}
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var dataSize = icon.bin.byteLength;
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view.setUint8(offset, width >= 256 ? 0 : width);
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view.setUint8(offset + 1, height >= 256 ? 0 : height);
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view.setUint8(offset + 2, colors >= 256 ? 0 : colors);
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view.setUint8(offset + 3, 0);
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view.setUint16(offset + 4, planes, true);
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view.setUint16(offset + 6, bitCount, true);
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view.setUint32(offset + 8, dataSize, true);
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view.setUint32(offset + 12, icon.offset, true);
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offset += 16;
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copyBuffer(bin, icon.offset, icon.bin, 0, dataSize);
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});
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return bin;
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}
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var IconFile = /** @class */ (function () {
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function IconFile(bin) {
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if (!bin) {
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this.icons = [];
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return;
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}
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var view = createDataView(bin);
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var totalSize = view.byteLength;
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var icons = [];
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/* istanbul ignore else */
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if (view.getUint16(2, true) === 1) {
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var count = view.getUint16(4, true);
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var offset = 6;
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for (var i = 0; i < count; ++i) {
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var dataSize = readUint32WithLastOffset(view, offset + 8, totalSize);
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var dataOffset = readUint32WithLastOffset(view, offset + 12, totalSize);
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var width = readUint8WithLastOffset(view, offset, totalSize);
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var height = readUint8WithLastOffset(view, offset + 1, totalSize);
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var bitCount = readUint8WithLastOffset(view, offset + 6, totalSize);
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var data = void 0;
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if (view.getUint32(dataOffset, true) === 0x28) {
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data = IconItem.from(width, height, bin, dataOffset, dataSize);
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}
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else {
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data = RawIconItem.from(bin, width || 256, height || 256, bitCount, dataOffset, dataSize);
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}
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icons.push({
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width: width,
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height: height,
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colors: readUint8WithLastOffset(view, offset + 2, totalSize),
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planes: readUint16WithLastOffset(view, offset + 4, totalSize),
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bitCount: bitCount,
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data: data,
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});
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offset += 16;
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}
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}
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this.icons = icons;
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}
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IconFile.from = function (bin) {
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return new IconFile(bin);
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};
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IconFile.prototype.generate = function () {
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return generateEntryBinary(this.icons);
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};
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return IconFile;
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}());
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export default IconFile;
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