face-api/build/resizeResults.js

import { Dimensions } from './classes';
import { FaceDetection } from './classes/FaceDetection';
import { FaceLandmarks } from './classes/FaceLandmarks';
import { extendWithFaceDetection, isWithFaceDetection } from './factories/WithFaceDetection';
import { extendWithFaceLandmarks, isWithFaceLandmarks } from './factories/WithFaceLandmarks';
export function resizeResults(results, dimensions) {
    const { width, height } = new Dimensions(dimensions.width, dimensions.height);
    if (width <= 0 || height <= 0) {
        throw new Error(`resizeResults - invalid dimensions: ${JSON.stringify({ width, height })}`);
    }
    if (Array.isArray(results)) {
        return results.map(obj => resizeResults(obj, { width, height }));
    }
    if (isWithFaceLandmarks(results)) {
        const resizedDetection = results.detection.forSize(width, height);
        const resizedLandmarks = results.unshiftedLandmarks.forSize(resizedDetection.box.width, resizedDetection.box.height);
        return extendWithFaceLandmarks(extendWithFaceDetection(results, resizedDetection), resizedLandmarks);
    }
    if (isWithFaceDetection(results)) {
        return extendWithFaceDetection(results, results.detection.forSize(width, height));
    }
    if (results instanceof FaceLandmarks || results instanceof FaceDetection) {
        return results.forSize(width, height);
    }
    return results;
}
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