public ScreenRenderer(IntPtr hostHandle, Size bufferSize)
{
_fontConsolas12 = new Font("Consolas", 12);
FpsCounter = new FpsCounter(new TimeSpan(0, 0, 0, 0, 1000));
BackBuffer = new DirectBitmap(bufferSize);
RenderBitmaps = new ConcurrentBag <Bitmap>();
GraphicsHost = Graphics.FromHwnd(hostHandle);
GraphicsHostDeviceContext = GraphicsHost.GetHdc();
BufferedGraphics = BufferedGraphicsManager.Current.Allocate(GraphicsHostDeviceContext, new Rectangle(new Point(0, 0), bufferSize));
HostHandle = hostHandle;
_bufferSize = bufferSize;
}
public void Dispose()
{
lock (_updateLock)
{
HostHandle = default;
GraphicsHost?.Dispose();
GraphicsHost = default;
FpsCounter?.Dispose();
FpsCounter = default;
RenderBitmaps.Clear();
RenderBitmaps = default;
_fontConsolas12?.Dispose();
_fontConsolas12 = default;
}
}
public void Render()
{
lock (_updateLock)
{
FpsCounter.StartFrame();
Task.Delay(10).Wait();
var t = DateTime.UtcNow.Millisecond / 1000.0;
Color GetColor(int x, int y) => Color.FromArgb
(
byte.MaxValue,
(byte)((double)x / _bufferSize.Width * byte.MaxValue),
(byte)((double)y / _bufferSize.Height * byte.MaxValue),
(byte)(Math.Sin(t * Math.PI) * byte.MaxValue)
);
Parallel.For(0, BackBuffer.Buffer.Length, index =>
{
BackBuffer.GetXY(index, out var x, out var y);
BackBuffer.Buffer[index] = GetColor(x, y).ToArgb();
});