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Use pureimage instead of canvas

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syuilo 2019-04-15 22:58:04 +09:00
parent 8c872c6b22
commit 792ec23d7a
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GPG key ID: BDC4C49D06AB9D69
3 changed files with 12 additions and 9 deletions
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2
package.json
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@ -104,7 +104,6 @@
"bootstrap-vue": "2.0.0-rc.13", "bootstrap-vue": "2.0.0-rc.13",
"bull": "3.7.0", "bull": "3.7.0",
"cafy": "15.1.1", "cafy": "15.1.1",
"canvas": "2.4.1",
"chai": "4.2.0", "chai": "4.2.0",
"chalk": "2.4.2", "chalk": "2.4.2",
"cli-highlight": "2.1.0", "cli-highlight": "2.1.0",
@ -189,6 +188,7 @@
"promise-sequential": "1.1.1", "promise-sequential": "1.1.1",
"pug": "2.0.3", "pug": "2.0.3",
"punycode": "2.1.1", "punycode": "2.1.1",
"pureimage": "0.1.6",
"qrcode": "1.3.3", "qrcode": "1.3.3",
"random-seed": "0.3.0", "random-seed": "0.3.0",
"randomcolor": "0.5.4", "randomcolor": "0.5.4",

11
src/misc/gen-avatar.ts
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@ -2,10 +2,11 @@
* Random avatar generator * Random avatar generator
*/ */
import { createCanvas } from 'canvas'; const p = require('pureimage');
import * as gen from 'random-seed'; import * as gen from 'random-seed';
import { WriteStream } from 'fs';
const size = 512; // px const size = 256; // px
const n = 5; // resolution const n = 5; // resolution
const margin = (size / n) / 1.5; const margin = (size / n) / 1.5;
const colors = [ const colors = [
@ -35,9 +36,9 @@ const sideN = Math.floor(n / 2);
/** /**
* Generate buffer of random avatar by seed * Generate buffer of random avatar by seed
*/ */
export function genAvatar(seed: string) { export function genAvatar(seed: string, stream: WriteStream): Promise<void> {
const rand = gen.create(seed); const rand = gen.create(seed);
const canvas = createCanvas(size, size); const canvas = p.make(size, size);
const ctx = canvas.getContext('2d'); const ctx = canvas.getContext('2d');
ctx.fillStyle = bg; ctx.fillStyle = bg;
@ -85,5 +86,5 @@ export function genAvatar(seed: string) {
} }
} }
return canvas.toBuffer(); return p.encodePNGToStream(canvas, stream);
} }

8
src/server/index.ts
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@ -26,6 +26,7 @@ import { program } from '../argv';
import { UserProfiles } from '../models'; import { UserProfiles } from '../models';
import { networkChart } from '../services/chart'; import { networkChart } from '../services/chart';
import { genAvatar } from '../misc/gen-avatar'; import { genAvatar } from '../misc/gen-avatar';
import { createTemp } from '../misc/create-temp';
export const serverLogger = new Logger('server', 'gray', false); export const serverLogger = new Logger('server', 'gray', false);
@ -73,10 +74,11 @@ router.use(activityPub.routes());
router.use(nodeinfo.routes()); router.use(nodeinfo.routes());
router.use(wellKnown.routes()); router.use(wellKnown.routes());
router.get('/avatar/:x', ctx => { router.get('/avatar/:x', async ctx => {
const avatar = genAvatar(ctx.params.x); const [temp] = await createTemp();
await genAvatar(ctx.params.x, fs.createWriteStream(temp));
ctx.set('Content-Type', 'image/png'); ctx.set('Content-Type', 'image/png');
ctx.body = avatar; ctx.body = fs.createReadStream(temp);
}); });
router.get('/verify-email/:code', async ctx => { router.get('/verify-email/:code', async ctx => {