Axiom.RenderSystems.Xna.XnaRenderWindow.CopyContentsToMemory C# (CSharp) Method

		public override void CopyContentsToMemory( PixelBox dst, FrameBuffer buffer )
		{
			if ( ( dst.Left < 0 ) || ( dst.Right > Width ) ||
				( dst.Top < 0 ) || ( dst.Bottom > Height ) ||
				( dst.Front != 0 ) || ( dst.Back != 1 ) )
			{
				throw new Exception( "Invalid box." );
			}

			XFG.GraphicsDevice device = Driver.XnaDevice;
            //in 3.1, this was XFG.ResolveTexture2D, an actual RenderTarget provides the exact same
            //functionality, especially seeing as RenderTarget2D is a texture now.
            //the difference is surface is actually set on the device -DoubleA
			XFG.RenderTarget2D surface;
			byte[] data = new byte[ dst.ConsecutiveSize ];
			int pitch = 0;

			if ( buffer == RenderTarget.FrameBuffer.Auto )
			{
				buffer = RenderTarget.FrameBuffer.Front;
			}

			XFG.DisplayMode mode = device.DisplayMode;
            surface = new XFG.RenderTarget2D(device, mode.Width, mode.Height, false, XFG.SurfaceFormat.Rgba64, XFG.DepthFormat.Depth24Stencil8); //XFG.ResolveTexture2D( device, mode.Width, mode.Height, 0, XFG.SurfaceFormat.Rgba32 );

			if ( buffer == RenderTarget.FrameBuffer.Front )
			{
				// get the entire front buffer.  This is SLOW!!
                device.SetRenderTarget(surface); 

				if ( IsFullScreen )
				{
					if ( ( dst.Left == 0 ) && ( dst.Right == Width ) && ( dst.Top == 0 ) && ( dst.Bottom == Height ) )
					{
						surface.GetData<byte>( data );
					}
					else
					{
						Rectangle rect = new Rectangle();
						rect.Left = dst.Left;
						rect.Right = dst.Right;
						rect.Top = dst.Top;
						rect.Bottom = dst.Bottom;

						surface.GetData<byte>( 0, XnaHelper.ToRectangle( rect ), data, 0, 255 );
					}
				}
#if !( XBOX || XBOX360 )
				else
				{
					Rectangle srcRect = new Rectangle();
					srcRect.Left = dst.Left;
					srcRect.Right = dst.Right;
					srcRect.Top = dst.Top;
					srcRect.Bottom = dst.Bottom;
					// Adjust Rectangle for Window Menu and Chrome
					System.Drawing.Point point = new System.Drawing.Point();
					point.X = (int)srcRect.Left;
					point.Y = (int)srcRect.Top;
					SWF.Control control = SWF.Control.FromHandle( _windowHandle );
					point = control.PointToScreen( point );
					srcRect.Top = point.Y;
					srcRect.Left = point.X;
					srcRect.Bottom += point.Y;
					srcRect.Right += point.X;

					surface.GetData<byte>( 0, XnaHelper.ToRectangle( srcRect ), data, 0, 255 );
				}
#endif
			}
			else
			{
				device.SetRenderTarget( surface );

				if ( ( dst.Left == 0 ) && ( dst.Right == Width ) && ( dst.Top == 0 ) && ( dst.Bottom == Height ) )
				{
					surface.GetData<byte>( data );
				}
				else
				{
					Rectangle rect = new Rectangle();
					rect.Left = dst.Left;
					rect.Right = dst.Right;
					rect.Top = dst.Top;
					rect.Bottom = dst.Bottom;

					surface.GetData<byte>( 0, XnaHelper.ToRectangle( rect ), data, 0, 255 );
				}
			}

			PixelFormat format = XnaHelper.Convert( surface.Format );

			if ( format == PixelFormat.Unknown )
			{
				throw new Exception( "Unsupported format" );
			}

			IntPtr dataPtr = Memory.PinObject( data );
			PixelBox src = new PixelBox( dst.Width, dst.Height, 1, format, dataPtr );
			src.RowPitch = pitch / PixelUtil.GetNumElemBytes( format );
			src.SlicePitch = surface.Height * src.RowPitch;

			PixelConverter.BulkPixelConversion( src, dst );

			Memory.UnpinObject( data );
			surface.Dispose();
		}