Shrek face Command

commands/edit-face/shrek.js

@@ -0,0 +1,57 @@
+const Command = require('../../framework/Command');
+const request = require('node-superfetch');
+const { createCanvas, loadImage } = require('canvas');
+const path = require('path');
+
+module.exports = class ShrekCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'shrek',
+			group: 'edit-face',
+			memberName: 'shrek',
+			description: 'Draws Shrek\'s face onto the faces in an image.',
+			throttling: {
+				usages: 1,
+				duration: 60
+			},
+			credit: [
+				{
+					name: 'DreamWorks',
+					url: 'https://www.dreamworks.com/',
+					reasonURL: 'https://www.dreamworks.com/movies/shrek',
+					reason: 'Images, Original "Shrek" Movie'
+				}
+			],
+			args: [
+				{
+					key: 'image',
+					type: 'image-or-avatar'
+				}
+			]
+		});
+	}
+
+	async run(msg, { image }) {
+		const danny = await loadImage(path.join(__dirname, '..', '..', 'assets', 'images', 'shrek.png'));
+		const imgData = await request.get(image);
+		const faces = await this.client.detectFaces(imgData.body);
+		if (!faces) return msg.reply('There are no faces in this image.');
+		if (faces === 'size') return msg.reply('This image is too large.');
+		const base = await loadImage(imgData.body);
+		const canvas = createCanvas(base.width, base.height);
+		const ctx = canvas.getContext('2d');
+		ctx.drawImage(base, 0, 0);
+		for (const face of faces) {
+			const ratio = face.box.width / danny.width;
+			const height = danny.height * ratio;
+			ctx.drawImage(
+				danny,
+				face.box.xMin - (face.box.width * 0.2),
+				face.box.yMin - (height / 2.5),
+				face.box.width * 1.4,
+				height * 1.4
+			);
+		}
+		return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'shrek.png' }] });
+	}
+};