SampleApp.MainForm.videoSourcePlayer_NewFrame C# (CSharp) Method

        private void videoSourcePlayer_NewFrame(object sender, ref Bitmap image)
        {
            lock (this)
            {
                if (tracker == null)
                    return;

                if (form != null && !form.IsDisposed)
                    form.Image = image;

                BitmapData data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height),
                    ImageLockMode.ReadWrite, image.PixelFormat);

                UnmanagedImage img = new UnmanagedImage(data);

                tracker.ComputeOrientation = showAngle;

                tracker.ProcessFrame(img);

                Rectangle rect = tracker.TrackingObject.Rectangle;

                UnmanagedImage hand = tracker.TrackingObject.Image;


                if (hand != null && (showContour || showFingertips))
                {
                    UnmanagedImage grayhand = Grayscale.CommonAlgorithms.BT709.Apply(hand);

                    blur.ApplyInPlace(grayhand);

                    List<IntPoint> contour = bf.FindContour(grayhand);

                    for (int i = 0; i < contour.Count; i++)
                        contour[i] += new IntPoint(rect.X, rect.Y);

                    List<IntPoint> peaks = kcurv.FindPeaks(contour);

                    if (showContour)
                    {
                        cmarker.Points = contour;
                        cmarker.ApplyInPlace(img);
                    }

                    if (showFingertips)
                    {
                        pmarker.Points = peaks;
                        pmarker.ApplyInPlace(img);
                    }
                }

                if (showRectangle)
                {
                    RectanglesMarker marker = new RectanglesMarker(rect);
                    marker.ApplyInPlace(img);
                }

                if (showAngle)
                {
                    LineSegment axis = tracker.TrackingObject.GetAxis(AxisOrientation.Vertical);

                    if (axis != null)
                    {
                        // Draw X axis
                        Drawing.Line(img, axis.Start.Round(), axis.End.Round(), Color.Red);
                    }
                }

                image.UnlockBits(data);
            }
        }