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Implement caching when performing outline conversion

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This commit is contained in:
be5invis 2021-04-17 14:38:29 -07:00
parent b16dfb91db
commit e28ce0fd68
6 changed files with 82 additions and 14 deletions
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27
font-src/index.js
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@ -15,11 +15,27 @@ const { createGrDisplaySheet } = require("./support/gr");
module.exports = async function main(argv) {
const paraT = await getParameters();
const { font, glyphStore } = BuildFont(paraT(argv));
const ptCache = await loadPTCache(argv);
const { font, glyphStore } = await BuildFont(argv, paraT(argv), ptCache);
if (argv.oCharMap) await saveCharMap(argv, glyphStore);
if (argv.o) await saveTTF(argv, font);
await savePTCache(argv, ptCache);
};
async function loadPTCache(argv) {
let ptCache = { source: {}, sink: {} };
if (argv.ptCache && fs.existsSync(argv.ptCache)) {
ptCache.source = unzip(await fs.readFile(argv.ptCache));
}
return ptCache;
}
async function savePTCache(argv, ptCache) {
if (argv.ptCache) await fs.writeFile(argv.ptCache, zip(ptCache.sink));
}
// Parameter preparation
async function getParameters() {
const PARAMETERS_TOML = path.resolve(__dirname, "../params/parameters.toml");
@ -97,5 +113,12 @@ async function saveCharMap(argv, glyphStore) {
...createGrDisplaySheet(glyphStore, gn)
]);
}
await fs.writeFile(argv.oCharMap, zlib.gzipSync(Buffer.from(JSON.stringify(charMap), "utf-8")));
await fs.writeFile(argv.oCharMap, zip(charMap));
}
function unzip(buf) {
return JSON.parse(zlib.gunzipSync(buf));
}
function zip(obj) {
return zlib.gzipSync(Buffer.from(JSON.stringify(obj), "utf-8"));
}