Method ReaderThread

Samples/UserTracker.net/MainWindow.cs:291–380

()

        }

		private unsafe void ReaderThread()
		{
			DepthMetaData depthMD = new DepthMetaData();

			while (this.shouldRun)
			{
				try
				{
					this.context.WaitOneUpdateAll(this.depth);
				}
				catch (Exception)
				{
				}

				this.depth.GetMetaData(depthMD);

				CalcHist(depthMD);

				lock (this)
				{
					Rectangle rect = new Rectangle(0, 0, this.bitmap.Width, this.bitmap.Height);
					BitmapData data = this.bitmap.LockBits(rect, ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);


                    if (this.shouldDrawPixels)
                    {
                        ushort* pDepth = (ushort*)this.depth.DepthMapPtr.ToPointer();
                        ushort* pLabels = (ushort*)this.userGenerator.GetUserPixels(0).LabelMapPtr.ToPointer();

                        // set pixels
                        for (int y = 0; y < depthMD.YRes; ++y)
                        {
                            byte* pDest = (byte*)data.Scan0.ToPointer() + y * data.Stride;
                            for (int x = 0; x < depthMD.XRes; ++x, ++pDepth, ++pLabels, pDest += 3)
                            {
                                pDest[0] = pDest[1] = pDest[2] = 0;

                                ushort label = *pLabels;
                                if (this.shouldDrawBackground || *pLabels != 0)
                                {
                                    Color labelColor = Color.White;
                                    if (label != 0)
                                    {
                                        labelColor = colors[label % ncolors];
                                    }

                                    byte pixel = (byte)this.histogram[*pDepth];
                                    pDest[0] = (byte)(pixel * (labelColor.B / 256.0));
                                    pDest[1] = (byte)(pixel * (labelColor.G / 256.0));
                                    pDest[2] = (byte)(pixel * (labelColor.R / 256.0));
                                }
                            }
                        }
                    }
                    this.bitmap.UnlockBits(data);

                    Graphics g = Graphics.FromImage(this.bitmap);
                    int[] users = this.userGenerator.GetUsers();