fun Bitmap.maskWith(destinationImage: Bitmap, mode: PorterDuff.Mode): Bitmap {
    val result = this.copy(Bitmap.Config.ARGB_8888, true)
    val canvas = Canvas(result)

    val paint = Paint()
    canvas.drawBitmap(destinationImage, 0f, 0f, paint)
    paint.xfermode = PorterDuffXfermode(mode)

    canvas.drawBitmap(this, 0f, 0f, paint)

    return result
}