@uppy/image-editor/lib/utils/getScaleFactorThatRemovesDarkCorners.js

Image editor and cropping UI

function toRadians(angle) {
    return angle * (Math.PI / 180);
}
function getScaleFactorThatRemovesDarkCorners(w, h, granularAngle) {
    const α = Math.abs(toRadians(granularAngle));
    const scaleFactor = Math.max((Math.sin(α) * w + Math.cos(α) * h) / h, (Math.sin(α) * h + Math.cos(α) * w) / w);
    return scaleFactor;
}
export default getScaleFactorThatRemovesDarkCorners;