public double[,] GetRotateBound(double nAngle, double nShiftX, double nShiftY) { double[,] bbox = new double[2, 2]; status = NPPNativeMethods.NPPi.GeometricTransforms.nppiGetRotateBound(new NppiRect(_pointRoi, _sizeRoi), bbox, nAngle, nShiftX, nShiftY); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiGetRotateBound", status)); NPPException.CheckNppStatus(status, this); return bbox; }