Using scaleType 'Matrix' to implement 'center_crop' or 'left_top aligned crop' effect

ViewUtils

public static void setImageMatrixWithRatioKept(
        ImageView view, Bitmap resource, boolean scaleByActualWidth, boolean alignmentCenter) {
    view.setScaleType(ImageView.ScaleType.MATRIX);

    int bmpWidth = resource.getWidth();
    int bmpHeight = resource.getHeight();
    int viewWidth = view.getWidth();
    int viewHeight = view.getHeight();

    float scaleWidth = 1.0f * viewWidth / bmpWidth;
    float scaleHeight = 1.0f * viewHeight / bmpHeight;
    float scale = Math.max(scaleWidth, scaleHeight);

    Timber.i(
            ">>><<< view dimen : w %d | h %d, image resolution : w %d | h %d, "
                    + "scaleWidth : %.2f,"
                    + " scaleHeight : %.2f",
            viewWidth, viewHeight, bmpWidth, bmpHeight, scaleWidth, scaleHeight);

    if (scaleByActualWidth) {
        scale = scaleWidth;
    }

    // apply the matrix transformations for the drawable
    Matrix matrix = new Matrix();
    matrix.setScale(scale, scale);

    if (alignmentCenter) {
        float dx = -Math.abs(bmpWidth * scale - viewWidth) / 2;
        float dy = -Math.abs(bmpHeight * scale - viewHeight) / 2;
        matrix.postTranslate(dx, dy);

        Timber.w(">>> trans : x %f | y : %f", dx, dy);
    }
   
    view.setImageMatrix(matrix);
}