public void Mirror(NppiAxis flip)
{
status = NPPNativeMethods.NPPi.GeometricTransforms.nppiMirror_8u_C3IR(_devPtrRoi, _pitch, _sizeRoi, flip);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiMirror_8u_C3IR", status));
NPPException.CheckNppStatus(status, this);
}