private ChoosePixelFormat ( |
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dc | ||
pfd | ||
return | int |
GraphicsMode SelectGraphicsModePFD(ColorDepth color, int depth, int stencil, int samples, ColorDepth accum, int buffers, bool stereo) { using (Control native_window = new Control()) using (WinWindowInfo window = new WinWindowInfo(native_window.Handle, null)) { IntPtr deviceContext = ((WinWindowInfo)window).DeviceContext; Debug.WriteLine(String.Format("Device context: {0}", deviceContext)); Debug.Write("Selecting pixel format... "); PixelFormatDescriptor pixelFormat = new PixelFormatDescriptor(); pixelFormat.Size = API.PixelFormatDescriptorSize; pixelFormat.Version = API.PixelFormatDescriptorVersion; pixelFormat.Flags = PixelFormatDescriptorFlags.SUPPORT_OPENGL | PixelFormatDescriptorFlags.DRAW_TO_WINDOW; pixelFormat.ColorBits = (byte)(color.Red + color.Green + color.Blue); pixelFormat.PixelType = color.IsIndexed ? PixelType.INDEXED : PixelType.RGBA; pixelFormat.RedBits = (byte)color.Red; pixelFormat.GreenBits = (byte)color.Green; pixelFormat.BlueBits = (byte)color.Blue; pixelFormat.AlphaBits = (byte)color.Alpha; if (accum.BitsPerPixel > 0) { pixelFormat.AccumBits = (byte)(accum.Red + accum.Green + accum.Blue); pixelFormat.AccumRedBits = (byte)accum.Red; pixelFormat.AccumGreenBits = (byte)accum.Green; pixelFormat.AccumBlueBits = (byte)accum.Blue; pixelFormat.AccumAlphaBits = (byte)accum.Alpha; } pixelFormat.DepthBits = (byte)depth; pixelFormat.StencilBits = (byte)stencil; if (depth <= 0) { pixelFormat.Flags |= PixelFormatDescriptorFlags.DEPTH_DONTCARE; } if (stereo) { pixelFormat.Flags |= PixelFormatDescriptorFlags.STEREO; } if (buffers > 1) { pixelFormat.Flags |= PixelFormatDescriptorFlags.DOUBLEBUFFER; } int pixel = Functions.ChoosePixelFormat(deviceContext, ref pixelFormat); if (pixel == 0) { throw new GraphicsModeException("The requested GraphicsMode is not available."); } // Find out what we really got as a format: PixelFormatDescriptor pfd = new PixelFormatDescriptor(); pixelFormat.Size = API.PixelFormatDescriptorSize; pixelFormat.Version = API.PixelFormatDescriptorVersion; Functions.DescribePixelFormat(deviceContext, pixel, API.PixelFormatDescriptorSize, ref pfd); GraphicsMode fmt = new GraphicsMode((IntPtr)pixel, new ColorDepth(pfd.RedBits, pfd.GreenBits, pfd.BlueBits, pfd.AlphaBits), pfd.DepthBits, pfd.StencilBits, 0, new ColorDepth(pfd.AccumBits), (pfd.Flags & PixelFormatDescriptorFlags.DOUBLEBUFFER) != 0 ? 2 : 1, (pfd.Flags & PixelFormatDescriptorFlags.STEREO) != 0); return(fmt); } }