OpenCVSharp Geometric trans

 List<Point2f> point2Fs = new List<Point2f>();

 Point2f[] srcPoints = new Point2f[] {
     new Point2f(0, 0),
     new Point2f(0, 0),
     new Point2f(0, 0),
     new Point2f(0, 0),
 };

 Point2f[] dstPoints = new Point2f[] {
     new Point2f(0, 0),
     new Point2f(0, 480),
     new Point2f(640, 480),
     new Point2f(640, 0),
 };

 Mat OriginalImage;
 public void Geometric()
 {
     OriginalImage = new Mat("./Resource.png", ImreadModes.AnyColor);
     using var Window = new Window("result", OriginalImage);

     Cv2.SetMouseCallback(Window.Name, CallbackOpenCVAnnotate);
     Window.WaitKey();
 }
 private void CallbackOpenCVAnnotate(MouseEvent e, int x, int y, MouseEvent flags, IntPtr userdata)
 {
     if (e == MouseEvent.LButtonDown)
     {
         point2Fs.Add(new Point2f(x, y));
         if(point2Fs.Count == 4)
         {
             srcPoints = new Point2f[]
             {
                 point2Fs[0],
                 point2Fs[1],
                 point2Fs[2],
                 point2Fs[3]
             };
             using var matrix = Cv2.GetPerspectiveTransform(srcPoints, dstPoints);
             using var dst = new Mat(new Size(640, 480), MatType.CV_8UC3);
             Cv2.WarpPerspective(OriginalImage, dst, matrix, dst.Size());
             using var dsts = new Window("dst", dst);
             point2Fs.Clear();
         }
     }
 }

point2Fs.Add(new Point2f(x, y));
         if(point2Fs.Count == 4)
         {
             srcPoints = new Point2f[]
             {
                 point2Fs[0],
                 point2Fs[1],
                 point2Fs[2],
                 point2Fs[3]
             };
             using var matrix = Cv2.GetPerspectiveTransform(srcPoints, dstPoints);
             using var dst = new Mat(new Size(640, 480), MatType.CV_8UC3);
             Cv2.WarpPerspective(OriginalImage, dst, matrix, dst.Size());
             using var dsts = new Window("dst", dst);
             point2Fs.Clear();
         }