mrmBot-Matrix/commands/meme.js

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const gm = require("gm").subClass({
imageMagick: true
});
const gmToBuffer = require("../utils/gmbuffer.js");
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exports.run = async (message, args) => {
message.channel.sendTyping();
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const image = await require("../utils/imagedetect.js")(message);
if (image === undefined) return `${message.author.mention}, you need to provide an image to generate a meme!`;
if (args.length === 0) return `${message.author.mention}, you need to provide some text to generate a meme!`;
const [topText, bottomText] = args.join(" ").split(",").map(elem => elem.trim());
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const file = `/tmp/${Math.random().toString(36).substring(2, 15)}.miff`;
const file2 = `/tmp/${Math.random().toString(36).substring(2, 15)}.png`;
const file3 = `/tmp/${Math.random().toString(36).substring(2, 15)}.png`;
gm(image.path).coalesce().resize(600, 600).noProfile().write(file, (error) => {
if (error) throw error;
gm(file).size((error, size) => {
if (error) throw error;
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gm().out("-size", size.width).background("none").gravity("Center").out("(", "(").font("Impact").out("-pointsize", 40).out(`pango:<span foreground='white'>${topText.toUpperCase().replace(/&/g, "\\&amp;").replace(/>/g, "\\&gt;").replace(/</g, "\\&lt;").replace(/"/g, "\\&quot;").replace(/'/g, "\\&apos;")}</span>`).out(")", "(", "+clone").out("-channel", "A").out("-morphology", "EdgeOut", "Octagon", "+channel", "+level-colors", "black", ")").compose("DstOver").out(")", "-composite").write(file2, (error) => {
if (error) throw error;
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gm().out("-size", size.width).background("none").gravity("Center").out("(", "(").font("Impact").out("-pointsize", 40).out(`pango:<span foreground='white'>${bottomText ? bottomText.toUpperCase().replace(/&/g, "\\&amp;").replace(/>/g, "\\&gt;").replace(/</g, "\\&lt;").replace(/"/g, "\\&quot;").replace(/'/g, "\\&apos;") : " "}</span>`).out(")", "(", "+clone").out("-channel", "A").out("-morphology", "EdgeOut", "Octagon", "+channel", "+level-colors", "black", ")").compose("DstOver").out(")", "-composite").write(file3, async (error) => {
if (error) throw error;
const data = gm(file).out("-coalesce").out("null:").gravity("North").out(file2).out("-layers", "composite").out("null:").gravity("South").out(file3).out("-layers", "composite");
const buffer = await gmToBuffer(data, image.outputType);
return message.channel.createMessage("", {
file: buffer,
name: `meme.${image.outputType}`
});
});
});
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});
});
};
exports.category = 5;
exports.help = "Generates a meme from an image (separate top/bottom text with a comma)";
exports.params = "[top text], {bottom text}";