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	* Changed the filename of the favicon SVG This allows the user to have a favicon which differs from the logo. * Added favicon.svg This is needed to accommodate the changes for allowing the user to have a differing logo and favicon * Adjusted page to accommodate what icon is used as favicon * Added functionality to also generate the favicon.svg via generate-images.js * Adjusted the description for the new favicon compatibility Co-authored-by: silverwind <me@silverwind.io> * Updated generate-images.js to generate favicons from a separate favicons.svg file This belongs to PR #18542. * Added description on how custom favicons can be generated * Replaced space indents with tabs * Synced changes with current state of the file * Synced changes with current state of the file Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: Lauris BH <lauris@nix.lv>
		
			
				
	
	
		
			88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
| import imageminZopfli from 'imagemin-zopfli';
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| import {optimize} from 'svgo';
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| import {fabric} from 'fabric';
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| import fs from 'fs';
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| import {resolve, dirname} from 'path';
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| import {fileURLToPath} from 'url';
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| 
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| const {readFile, writeFile} = fs.promises;
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| const __dirname = dirname(fileURLToPath(import.meta.url));
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| const logoFile = resolve(__dirname, '../assets/logo.svg');
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| const faviconFile = resolve(__dirname, '../assets/favicon.svg');
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| 
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| function exit(err) {
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|   if (err) console.error(err);
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|   process.exit(err ? 1 : 0);
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| }
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| 
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| function loadSvg(svg) {
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|   return new Promise((resolve) => {
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|     fabric.loadSVGFromString(svg, (objects, options) => {
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|       resolve({objects, options});
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|     });
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|   });
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| }
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| 
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| async function generate(svg, outputFile, {size, bg}) {
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|   if (outputFile.endsWith('.svg')) {
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|     const {data} = optimize(svg, {
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|       plugins: [
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|         'preset-default',
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|         'removeDimensions',
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|         {
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|           name: 'addAttributesToSVGElement',
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|           params: {attributes: [{width: size}, {height: size}]}
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|         },
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|       ],
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|     });
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|     await writeFile(outputFile, data);
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|     return;
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|   }
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| 
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|   const {objects, options} = await loadSvg(svg);
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|   const canvas = new fabric.Canvas();
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|   canvas.setDimensions({width: size, height: size});
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|   const ctx = canvas.getContext('2d');
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|   ctx.scale(options.width ? (size / options.width) : 1, options.height ? (size / options.height) : 1);
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| 
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|   if (bg) {
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|     canvas.add(new fabric.Rect({
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|       left: 0,
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|       top: 0,
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|       height: size * (1 / (size / options.height)),
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|       width: size * (1 / (size / options.width)),
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|       fill: 'white',
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|     }));
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|   }
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| 
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|   canvas.add(fabric.util.groupSVGElements(objects, options));
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|   canvas.renderAll();
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| 
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|   let png = Buffer.from([]);
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|   for await (const chunk of canvas.createPNGStream()) {
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|     png = Buffer.concat([png, chunk]);
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|   }
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| 
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|   png = await imageminZopfli({more: true})(png);
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|   await writeFile(outputFile, png);
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| }
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| 
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| async function main() {
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|   const gitea = process.argv.slice(2).includes('gitea');
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|   const logoSvg = await readFile(logoFile, 'utf8');
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|   const faviconSvg = await readFile(faviconFile, 'utf8');
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| 
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|   await Promise.all([
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|     generate(logoSvg, resolve(__dirname, '../public/img/logo.svg'), {size: 32}),
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|     generate(logoSvg, resolve(__dirname, '../public/img/logo.png'), {size: 512}),
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|     generate(faviconSvg, resolve(__dirname, '../public/img/favicon.svg'), {size: 32}),
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|     generate(faviconSvg, resolve(__dirname, '../public/img/favicon.png'), {size: 180}),
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|     generate(logoSvg, resolve(__dirname, '../public/img/avatar_default.png'), {size: 200}),
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|     generate(logoSvg, resolve(__dirname, '../public/img/apple-touch-icon.png'), {size: 180, bg: true}),
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|     gitea && generate(logoSvg, resolve(__dirname, '../public/img/gitea.svg'), {size: 32}),
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|   ]);
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| }
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| 
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| main().then(exit).catch(exit);
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| 
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