index.js

const rp = require('request-promise');
const Jimp = require("jimp");

(async () => {
    const imageUrl = 'https://pbs.twimg.com/media/DWr05hUXcAA9s8n.jpg';
    const detectResult = await detectImage(imageUrl);
    addMustache(imageUrl, detectResult, 'jav_rau.jpg');
})();

async function addMustache(url, detectResult, output) {
    // Tính toán vị trí và khuôn mặt
    const face = detectResult[0]; // Hình chỉ nhận được 1 khuôn mặt
    const landmarks = face.faceLandmarks;
    const mouthLeft = landmarks['mouthLeft'];
    const mouthRight = landmarks['mouthRight'];
    const x1 = mouthLeft.x, y1 = mouthLeft.y;
    const x2 = mouthRight.x, y2= mouthRight.y;

    const mustacheWidth = x2 - x1;

    let source = await Jimp.read(url);
    const mustache = await Jimp.read('mustache.png');
    mustache.resize(mustacheWidth, Jimp.AUTO);

    return source.composite(mustache, x1, y2).write(output);
}

async function detectImage(source) {
    const subscriptionKey = "3845387fabbf4ba5bfe958a2409b8238";
    const uri = "https://westcentralus.api.cognitive.microsoft.com/face/v1.0/detect";

    const options = {
        uri,
        qs: {
            returnFaceId: true,
            returnFaceLandmarks: true,
        },
        method: 'POST',
        headers: {
            'Ocp-Apim-Subscription-Key': subscriptionKey
        },
        body: {
            url: source
        },
        json: true // Automatically parses the JSON string in the response
    };

    const result = await rp(options);
    return result;
}