mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-10 20:16:20 +01:00
101 lines
3.1 KiB
JavaScript
Executable file
101 lines
3.1 KiB
JavaScript
Executable file
#!/usr/bin/env node
|
|
'use strict';
|
|
|
|
const imageminZopfli = require('imagemin-zopfli');
|
|
const {fabric} = require('fabric');
|
|
const {DOMParser, XMLSerializer} = require('xmldom');
|
|
const {readFile, writeFile} = require('fs').promises;
|
|
const {resolve} = require('path');
|
|
const Svgo = require('svgo');
|
|
|
|
function exit(err) {
|
|
if (err) console.error(err);
|
|
process.exit(err ? 1 : 0);
|
|
}
|
|
|
|
function loadSvg(svg) {
|
|
return new Promise((resolve) => {
|
|
fabric.loadSVGFromString(svg, (objects, options) => {
|
|
resolve({objects, options});
|
|
});
|
|
});
|
|
}
|
|
|
|
async function generateSvgFavicon(svg, outputFile) {
|
|
const svgo = new Svgo({
|
|
plugins: [
|
|
{removeDimensions: true},
|
|
{
|
|
addAttributesToSVGElement: {
|
|
attributes: [
|
|
{'width': '32'},
|
|
{'height': '32'},
|
|
],
|
|
},
|
|
},
|
|
],
|
|
});
|
|
|
|
const {data} = await svgo.optimize(svg);
|
|
await writeFile(outputFile, data);
|
|
}
|
|
|
|
async function generate(svg, outputFile, {size, bg, removeDetail} = {}) {
|
|
const parser = new DOMParser();
|
|
const serializer = new XMLSerializer();
|
|
const document = parser.parseFromString(svg);
|
|
|
|
if (removeDetail) {
|
|
for (const el of Array.from(document.getElementsByTagName('g') || [])) {
|
|
for (const attribute of Array.from(el.attributes || [])) {
|
|
if (attribute.name === 'class' && attribute.value === 'detail-remove') {
|
|
el.parentNode.removeChild(el);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
svg = serializer.serializeToString(document);
|
|
|
|
const {objects, options} = await loadSvg(svg);
|
|
const canvas = new fabric.Canvas();
|
|
canvas.setDimensions({width: size, height: size});
|
|
const ctx = canvas.getContext('2d');
|
|
ctx.scale(options.width ? (size / options.width) : 1, options.height ? (size / options.height) : 1);
|
|
|
|
if (bg) {
|
|
canvas.add(new fabric.Rect({
|
|
left: 0,
|
|
top: 0,
|
|
height: size * (1 / (size / options.height)),
|
|
width: size * (1 / (size / options.width)),
|
|
fill: 'white',
|
|
}));
|
|
}
|
|
|
|
canvas.add(fabric.util.groupSVGElements(objects, options));
|
|
canvas.renderAll();
|
|
|
|
let png = Buffer.from([]);
|
|
for await (const chunk of canvas.createPNGStream()) {
|
|
png = Buffer.concat([png, chunk]);
|
|
}
|
|
|
|
png = await imageminZopfli({more: true})(png);
|
|
await writeFile(outputFile, png);
|
|
}
|
|
|
|
async function main() {
|
|
const svg = await readFile(resolve(__dirname, '../assets/logo.svg'), 'utf8');
|
|
await generateSvgFavicon(svg, resolve(__dirname, '../public/img/favicon.svg'));
|
|
await generate(svg, resolve(__dirname, '../public/img/gitea-lg.png'), {size: 880});
|
|
await generate(svg, resolve(__dirname, '../public/img/gitea-512.png'), {size: 512});
|
|
await generate(svg, resolve(__dirname, '../public/img/gitea-192.png'), {size: 192});
|
|
await generate(svg, resolve(__dirname, '../public/img/gitea-sm.png'), {size: 120});
|
|
await generate(svg, resolve(__dirname, '../public/img/avatar_default.png'), {size: 200});
|
|
await generate(svg, resolve(__dirname, '../public/img/favicon.png'), {size: 180, removeDetail: true});
|
|
await generate(svg, resolve(__dirname, '../public/img/apple-touch-icon.png'), {size: 180, bg: true});
|
|
}
|
|
|
|
main().then(exit).catch(exit);
|
|
|