mrmBot-Matrix/commands/invert.js

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const gm = require("gm").subClass({
imageMagick: true
});
exports.run = async (message) => {
message.channel.sendTyping();
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const image = await require("../utils/imagedetect.js")(message);
if (image === undefined) return `${message.author.mention}, you need to provide an image to invert!`;
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const buffer = await gm(image.path).coalesce().negative().bufferPromise(image.type, image.delay);
return {
file: buffer,
name: `invert.${image.type}`
};
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};
exports.aliases = ["inverse", "negate", "negative"];
exports.category = 5;
exports.help = "Inverts an image's colors";