65 lines
2.5 KiB
JavaScript
65 lines
2.5 KiB
JavaScript
import { buildTemplate, parseTemplates } from "../src/buildTemplate";
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import { createCanvas, registerFont, loadImage } from 'canvas';
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import Papa from 'papaparse';
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import fs from 'fs';
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import translations from '../server/translations';
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const loadTsv = (filename) => {
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return Papa.parse(fs.readFileSync(__dirname + '/../data/' + filename).toString('utf-8'), {
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dynamicTyping: true,
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header: true,
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skipEmptyLines: true,
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}).data;
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};
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export default async function (req, res, next) {
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if (req.url.substr(req.url.length - 4) !== '.png') {
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res.statusCode = 404;
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res.write('Not found');
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res.end();
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return;
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}
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const templateName = decodeURIComponent(req.url.substr(1, req.url.length - 5));
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const template = buildTemplate(
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parseTemplates(loadTsv('templates.tsv')),
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templateName,
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);
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const width = 1200
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const height = 600
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const mime = 'image/png';
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const imageSize = 200;
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const leftRatio = template || templateName === 'dowolne' ? 4 : 5;
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registerFont('static/fonts/quicksand-v21-latin-ext_latin-regular.ttf', { family: 'Quicksand', weight: 'regular'});
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registerFont('static/fonts/quicksand-v21-latin-ext_latin-700.ttf', { family: 'Quicksand', weight: 'bold'});
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const canvas = createCanvas(width, height)
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const context = canvas.getContext('2d')
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context.fillStyle = '#fff'
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context.fillRect(0, 0, width, height)
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context.fillStyle = '#000'
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const image = await loadImage('node_modules/@fortawesome/fontawesome-pro/svgs/light/tags.svg');
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context.drawImage(image, width / leftRatio - imageSize / 2, height / 2 - imageSize / 1.25 / 2, imageSize, imageSize / 1.25)
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if (template || templateName === 'dowolne') {
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context.font = 'regular 48pt Quicksand'
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context.fillText(translations.template.intro + ':', width / leftRatio + imageSize / 1.5, height / 2 - 36)
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const templateNameOptions = templateName === 'dowolne' ? ['dowolne'] : template.nameOptions();
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context.font = `bold ${templateNameOptions.length <= 2 ? '70' : '36'}pt Quicksand`
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context.fillText(templateNameOptions.join('\n'), width / leftRatio + imageSize / 1.5, height / 2 + (templateNameOptions.length <= 2 ? 72 : 24))
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} else {
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context.font = 'regular 120pt Quicksand'
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context.fillText(translations.title, width / leftRatio + imageSize / 1.5, height / 2 + 48)
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}
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res.setHeader('content-type', mime);
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res.write(canvas.toBuffer(mime));
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res.end()
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}
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