mrmBot-Matrix/commands/invert.js

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