public override void Erase()
{
IntPtr hDC = DC.GetHdc();
Win32Support.DrawBitmap(hDC, 0, 0, Width, Height, hDC, 0, 0, Width, Height, TernaryRasterOperations.BLACKNESS);
DC.ReleaseHdc(hDC);
}
private void RenderBackbufferAll()
{
IntPtr hDC = DC.GetHdc();
IntPtr hDCBuffer = Buffer.DC.GetHdc();
Win32Support.DrawBitmap(hDC, 0, 0, Width, Height, hDCBuffer, 0, 0, Width, Height, TernaryRasterOperations.SRCCOPY);
DC.ReleaseHdc(hDC);
Buffer.DC.ReleaseHdc(hDCBuffer);
}
private void RenderBackbufferRect()
{
if (!Buffer.DirtyRectangle.IsEmpty)
{
IntPtr hDC = DC.GetHdc();
IntPtr hDCBuffer = Buffer.DC.GetHdc();
Win32Support.DrawBitmap(hDC, Buffer.DirtyRectangle, hDCBuffer, Buffer.DirtyRectangle, TernaryRasterOperations.SRCCOPY);
DC.ReleaseHdc(hDC);
Buffer.DC.ReleaseHdc(hDCBuffer);
// dirty rectangle drawn, so clear it out for next cycle
((Backbuffer)Buffer).DirtyRectangle = new Rectangle();
}
}
