Test

commands/image-edit/distort-test.js

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+const { Command } = require('discord.js-commando');
+const { createCanvas, loadImage } = require('canvas');
+const snekfetch = require('snekfetch');
+const { distort } = require('../../util/Canvas');
+
+module.exports = class DistortTestCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'distort-test',
+			aliases: ['under-water-test'],
+			group: 'avatar-edit',
+			memberName: 'distort-test',
+			description: 'Draws an image or user\'s avatar but distorted.',
+			throttling: {
+				usages: 1,
+				duration: 15
+			},
+			clientPermissions: ['ATTACH_FILES'],
+			args: [
+				{
+					key: 'level',
+					prompt: 'What level of distortion would you like to use?',
+					type: 'integer'
+				},
+				{
+					key: 'image',
+					prompt: 'What image would you like to edit?',
+					type: 'image',
+					default: ''
+				}
+			]
+		});
+	}
+
+	async run(msg, { level, image }) {
+		if (!image) {
+			image = msg.author.displayAvatarURL({
+				format: 'png',
+				size: 512
+			});
+		}
+		try {
+			const { body } = await snekfetch.get(image);
+			const imageData = await loadImage(body);
+			const canvas = createCanvas(imageData.width, imageData.height);
+			const ctx = canvas.getContext('2d');
+			ctx.drawImage(imageData, 0, 0);
+			distort(ctx, level, 0, 0, imageData.width, imageData.height);
+			return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'distort-test.png' }] });
+		} catch (err) {
+			return msg.reply(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
+		}
+	}
+};