var _ = require('lodash'); var express = require("express"); var request = require("request"); var Discord = require('discord.js'); const Canvas = require("canvas"); const Image = Canvas.Image; const twemoji = require("./twemoji"); var app = express() var config = require("./config.default.json"); try { _.extend(config, require("./config")); }catch(err) { console.log("No config.json found!"); } var cache = {}; templates = config.templates; for(templateName in templates) { const data = templates[templateName]; data.image = new Image(); data.image.src = data.template; } // drawing: we keep the image fixed in its default position and draw the template on top/below it // calculates the x or y position of the template to be drawn // size = width or height of the template/image // anchor = the corresponding anchor config function calculatePosition(scale, anchor, imageSize) { return imageSize * anchor.position / 100 - anchor.offset * scale; } function render(template, img, size) { var width = img.width; var height = img.height; if (size && size.height) { height = size.height; if (!size.width) width = width * size.height / img.height; } if (size && size.width) { width = size.width; if (!size.height) height = height * size.width / img.width; } const xScale = width / template.anchor.x.size; const yScale = height / template.anchor.y.size; const templateScale = Math.max(0, Math.min(10, Math.max(xScale || 0, yScale || 0))); console.log("templateScale",templateScale) let templateOffsetX = calculatePosition(templateScale, template.anchor.x, width); let templateOffsetY = calculatePosition(templateScale, template.anchor.y, height); let imageOffsetX = 0; let imageOffsetY = 0; let resultingWidth = width; // start with the image boundaries as defined by the image let resultingHeight = height; if(templateOffsetX < 0) { resultingWidth -= templateOffsetX; imageOffsetX = -templateOffsetX; templateOffsetX = 0; } if(templateOffsetY < 0) { resultingHeight -= templateOffsetY; imageOffsetY = -templateOffsetY; templateOffsetY = 0; } if(templateOffsetX + template.image.width * templateScale > resultingWidth) { resultingWidth = templateOffsetX + template.image.width * templateScale; } if(templateOffsetY + template.image.height * templateScale > resultingHeight) { resultingHeight = templateOffsetY + template.image.height * templateScale; } const toDraw = [{ z: 1, image: img, x: imageOffsetX, y: imageOffsetY, h: height, w: width, name: "image" }, { z: template.z || 0, image: template.image, x: templateOffsetX, y: templateOffsetY, h: template.image.height * templateScale, w: template.image.width * templateScale, name: "template "+template.template }].sort((u,v) => u.z > v.z); var canvas = new Canvas(resultingWidth, resultingHeight); var ctx = canvas.getContext("2d"); for(let i=0;i/g.exec(str) if (discordEmote) { return { name: discordEmote[1], id: discordEmote[2], url: `https://cdn.discordapp.com/emojis/${discordEmote[2]}.png` } } let unicodeEmoji; twemoji.parse(str, (name, emoji) => { if (unicodeEmoji) return false; unicodeEmoji = { name, id: name, url: emoji.base + emoji.size + "/" + name + emoji.ext } return false; }); return unicodeEmoji; } function loadImage(url) { return new Promise((resolve, reject) => { console.log("Getting " + url); if (url) { request.get({ url: url, encoding: null }, function (e, r, data) { if (e) { return reject({ status: (r && r.statusCode || 500), error: e }); } var img = new Image(); img.src = data; resolve(img); }) } }); } client.on('message', async function (message) { console.log(`[${message.guild.name} - ${message.channel.name}] ${message.author.username}#${message.author.discriminator}: ${message.cleanContent}`); if(message.cleanContent.startsWith('/invite')) { message.channel.send(`Invite link: <${invitelink}>`); return; } if(message.cleanContent.startsWith('/help') || message.cleanContent.startsWith('/beebot')) { let commands = Object.keys(templates).map(x => '/'+x).join(', '); message.channel.send(`Available commands: ${commands}`); return; } const messageSplit = message.cleanContent.split(" "); const emoji = findEmoji(message.cleanContent); let result = null; let count = 0; try { if (emoji) { let name = emoji.name; for (var i = 0; i < messageSplit.length && count < 4; ++i) { const commandParsed = /^\/(\w+)\b/.exec(messageSplit[i]); if (commandParsed && templates[commandParsed[1]]) { count++; name += commandParsed[1]; if (result === null) result = await loadImage(emoji.url); result = render(templates[commandParsed[1]], result); } else { if(i===0) return; } } if (result) { var messageOptions = { files: [ { attachment: result.toBuffer(), name: name + ".png" } ] } message.channel.send("", messageOptions); } } } catch(err) { console.error(err); } });