|
| 1 | +const { createCanvas, loadImage } = require('canvas'); |
| 2 | +const fs = require('fs'); |
| 3 | + |
| 4 | +const data = fs.readFileSync('.all-contributorsrc', 'utf-8'); |
| 5 | +const parsed = JSON.parse(data); |
| 6 | +const contributors = parsed.contributors; |
| 7 | + |
| 8 | +const AVATAR_SIZE = 50; |
| 9 | +const GAP = 4; |
| 10 | +const COLS = 40; |
| 11 | +const ROWS = Math.ceil(contributors.length / COLS); |
| 12 | + |
| 13 | +const width = COLS * AVATAR_SIZE + (COLS - 1) * GAP; |
| 14 | +const height = ROWS * AVATAR_SIZE + (ROWS - 1) * GAP; |
| 15 | + |
| 16 | +const canvas = createCanvas(width, height); |
| 17 | +const ctx = canvas.getContext('2d'); |
| 18 | + |
| 19 | +async function loadAvatar(url) { |
| 20 | + try { |
| 21 | + const res = await fetch(url); |
| 22 | + if (!res.ok) throw new Error(`HTTP ${res.status}`); |
| 23 | + |
| 24 | + const buffer = Buffer.from(await res.arrayBuffer()); |
| 25 | + return await loadImage(buffer); |
| 26 | + } catch (err) { |
| 27 | + return null; |
| 28 | + } |
| 29 | +} |
| 30 | + |
| 31 | +(async () => { |
| 32 | + for (let i = 0; i < contributors.length; i++) { |
| 33 | + const c = contributors[i]; |
| 34 | + |
| 35 | + const col = i % COLS; |
| 36 | + const row = Math.floor(i / COLS); |
| 37 | + |
| 38 | + const x = col * (AVATAR_SIZE + GAP); |
| 39 | + const y = row * (AVATAR_SIZE + GAP); |
| 40 | + |
| 41 | + const img = await loadAvatar(c.avatar_url); |
| 42 | + |
| 43 | + ctx.save(); |
| 44 | + ctx.beginPath(); |
| 45 | + ctx.arc( |
| 46 | + x + AVATAR_SIZE / 2, |
| 47 | + y + AVATAR_SIZE / 2, |
| 48 | + AVATAR_SIZE / 2, |
| 49 | + 0, |
| 50 | + Math.PI * 2 |
| 51 | + ); |
| 52 | + ctx.clip(); |
| 53 | + |
| 54 | + if (img) { |
| 55 | + ctx.drawImage(img, x, y, AVATAR_SIZE, AVATAR_SIZE); |
| 56 | + } |
| 57 | + ctx.restore(); |
| 58 | + } |
| 59 | + |
| 60 | + fs.writeFileSync('contributors.png', canvas.toBuffer('image/png')); |
| 61 | +})(); |
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