Files
nothoughts/node_modules/pixi.js/lib/scene/text-bitmap/asset/loadBitmapFont.js
2025-08-04 18:57:35 +02:00

83 lines
2.9 KiB
JavaScript

'use strict';
var LoaderParser = require('../../../assets/loader/parsers/LoaderParser.js');
var copySearchParams = require('../../../assets/utils/copySearchParams.js');
var adapter = require('../../../environment/adapter.js');
var Extensions = require('../../../extensions/Extensions.js');
var path = require('../../../utils/path.js');
var BitmapFont = require('../BitmapFont.js');
var bitmapFontTextParser = require('./bitmapFontTextParser.js');
var bitmapFontXMLStringParser = require('./bitmapFontXMLStringParser.js');
"use strict";
const validExtensions = [".xml", ".fnt"];
const bitmapFontCachePlugin = {
extension: {
type: Extensions.ExtensionType.CacheParser,
name: "cacheBitmapFont"
},
test: (asset) => asset instanceof BitmapFont.BitmapFont,
getCacheableAssets(keys, asset) {
const out = {};
keys.forEach((key) => {
out[key] = asset;
out[`${key}-bitmap`] = asset;
});
out[`${asset.fontFamily}-bitmap`] = asset;
return out;
}
};
const loadBitmapFont = {
extension: {
type: Extensions.ExtensionType.LoadParser,
priority: LoaderParser.LoaderParserPriority.Normal
},
name: "loadBitmapFont",
test(url) {
return validExtensions.includes(path.path.extname(url).toLowerCase());
},
async testParse(data) {
return bitmapFontTextParser.bitmapFontTextParser.test(data) || bitmapFontXMLStringParser.bitmapFontXMLStringParser.test(data);
},
async parse(asset, data, loader) {
const bitmapFontData = bitmapFontTextParser.bitmapFontTextParser.test(asset) ? bitmapFontTextParser.bitmapFontTextParser.parse(asset) : bitmapFontXMLStringParser.bitmapFontXMLStringParser.parse(asset);
const { src } = data;
const { pages } = bitmapFontData;
const textureUrls = [];
const textureOptions = bitmapFontData.distanceField ? {
scaleMode: "linear",
alphaMode: "premultiply-alpha-on-upload",
autoGenerateMipmaps: false,
resolution: 1
} : {};
for (let i = 0; i < pages.length; ++i) {
const pageFile = pages[i].file;
let imagePath = path.path.join(path.path.dirname(src), pageFile);
imagePath = copySearchParams.copySearchParams(imagePath, src);
textureUrls.push({
src: imagePath,
data: textureOptions
});
}
const loadedTextures = await loader.load(textureUrls);
const textures = textureUrls.map((url) => loadedTextures[url.src]);
const bitmapFont = new BitmapFont.BitmapFont({
data: bitmapFontData,
textures
}, src);
return bitmapFont;
},
async load(url, _options) {
const response = await adapter.DOMAdapter.get().fetch(url);
return await response.text();
},
async unload(bitmapFont, _resolvedAsset, loader) {
await Promise.all(bitmapFont.pages.map((page) => loader.unload(page.texture.source._sourceOrigin)));
bitmapFont.destroy();
}
};
exports.bitmapFontCachePlugin = bitmapFontCachePlugin;
exports.loadBitmapFont = loadBitmapFont;
//# sourceMappingURL=loadBitmapFont.js.map