113 lines
3.5 KiB
JavaScript
113 lines
3.5 KiB
JavaScript
"use strict";
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const fs = require("fs-extra");
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const path = require("path");
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const zlib = require("zlib");
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const { encode } = require("@msgpack/msgpack");
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const { FontIo } = require("ot-builder");
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const Toml = require("@iarna/toml");
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const { buildFont } = require("./gen/build-font.js");
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const Parameters = require("./support/parameters");
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const { applyMetricOverride } = require("./support/metric-override");
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const VariantData = require("./support/variant-data");
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const { applyLigationData } = require("./support/ligation-data");
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const { createGrDisplaySheet } = require("./support/gr");
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module.exports = async function main(argv) {
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const paraT = await getParameters();
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const { font, glyphStore } = await buildFont(argv, paraT(argv));
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if (argv.oCharMap) await saveCharMap(argv, glyphStore);
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if (argv.o) await saveTTF(argv, font);
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};
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// Parameter preparation
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async function getParameters() {
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const PARAMETERS_TOML = path.resolve(__dirname, "../params/parameters.toml");
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const WEIGHTS_TOML = path.resolve(__dirname, "../params/shape-weight.toml");
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const WIDTHS_TOML = path.resolve(__dirname, "../params/shape-width.toml");
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const SLOPES_TOML = path.resolve(__dirname, "../params/shape-slope.toml");
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const PRIVATE_TOML = path.resolve(__dirname, "../params/private-parameters.toml");
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const VARIANTS_TOML = path.resolve(__dirname, "../params/variants.toml");
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const LIGATIONS_TOML = path.resolve(__dirname, "../params/ligation-set.toml");
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const parametersData = Object.assign(
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{},
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await tryParseToml(PARAMETERS_TOML),
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await tryParseToml(WEIGHTS_TOML),
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await tryParseToml(WIDTHS_TOML),
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await tryParseToml(SLOPES_TOML),
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fs.existsSync(PRIVATE_TOML) ? await tryParseToml(PRIVATE_TOML) : {}
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);
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const rawVariantsData = await tryParseToml(VARIANTS_TOML);
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const rawLigationData = await tryParseToml(LIGATIONS_TOML);
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function createParaImpl(argv) {
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let para = Parameters.init(deepClone(parametersData), argv);
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VariantData.apply(deepClone(rawVariantsData), para, argv);
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applyLigationData(deepClone(rawLigationData), para, argv);
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if (argv.excludedCharRanges) para.excludedCharRanges = argv.excludedCharRanges;
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if (argv.compatibilityLigatures) para.compLig = argv.compatibilityLigatures;
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if (argv.metricOverride) applyMetricOverride(para, argv.metricOverride, argv);
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para.naming = {
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...para.naming,
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family: argv.menu.family,
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version: argv.menu.version,
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weight: argv.menu.weight - 0,
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width: argv.menu.width - 0,
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slope: argv.menu.slope
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};
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return para;
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}
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function reinit(argv) {
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const para = createParaImpl(argv);
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para.reinit = function (tf) {
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const argv1 = deepClone(argv);
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tf(argv1, argv);
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return reinit(argv1);
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};
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return para;
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}
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return reinit;
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}
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async function tryParseToml(str) {
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try {
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return Toml.parse(await fs.readFile(str, "utf-8"));
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} catch (e) {
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throw new Error(
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`Failed to parse configuration file ${str}.\nPlease validate whether there's syntax error.\n${e}`
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);
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}
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}
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function deepClone(pod) {
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return JSON.parse(JSON.stringify(pod));
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}
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// Save TTF
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async function saveTTF(argv, font) {
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const sfnt = FontIo.writeFont(font, {
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glyphStore: { statOs2XAvgCharWidth: false },
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generateDummyDigitalSignature: true
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});
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const buf = FontIo.writeSfntOtf(sfnt);
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await fs.writeFile(argv.o, buf);
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}
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// Save character map file
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async function saveCharMap(argv, glyphStore) {
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let charMap = [];
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for (const [gn] of glyphStore.namedEntries()) {
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charMap.push([
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gn,
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Array.from(glyphStore.queryUnicodeOfName(gn) || []),
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...createGrDisplaySheet(glyphStore, gn)
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]);
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}
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await fs.writeFile(argv.oCharMap, zlib.gzipSync(encode(charMap)));
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}
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