public void DiscardDeviceResources()
{
_renderTarget?.Dispose();
_renderTarget = null;
if (_memDC != IntPtr.Zero && _hBitmap != IntPtr.Zero && _hOldBitmap != IntPtr.Zero)
{
Gdi32.SelectObject(_memDC, _hOldBitmap);
Gdi32.DeleteObject(_hBitmap);
}
if (_memDC != IntPtr.Zero)
{
Gdi32.DeleteDC(_memDC);
}
if (_screenDC != IntPtr.Zero)
{
User32.ReleaseDC(IntPtr.Zero, _screenDC);
}
_hOldBitmap = IntPtr.Zero;
_hBitmap = IntPtr.Zero;
_memDC = IntPtr.Zero;
_screenDC = IntPtr.Zero;
GC.Collect();
}
public void CreateDeviceResource()
{
if (_renderTarget == null)
{
_screenDC = User32.GetDC(IntPtr.Zero);
_memDC = Gdi32.CreateCompatibleDC(_screenDC);
_cacheBmp = new Bitmap(_view_width, _view_height);
_hBitmap = _cacheBmp.GetHbitmap(Color.FromArgb(0, 0, 0, 0));
_hOldBitmap = Gdi32.SelectObject(_memDC, _hBitmap);
var renderProps = new RenderTargetProperties()
{
Type = RenderTargetType.Hardware,
Usage = RenderTargetUsage.ForceBitmapRemoting,
PixelFormat = new PixelFormat(Vortice.DXGI.Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied),
MinLevel = FeatureLevel.Default,
DpiX = 96,
DpiY = 96
};
_renderTarget = _d2dFactory.CreateDCRenderTarget(renderProps);
_renderTarget.BindDC(_memDC, new Vortice.RawRect(0, 0, _view_width, _view_height));
}
}
private void CreateDeviceResource()
{
if (_renderTarget == null)
{
var width = _view_width;
var height = _view_height;
_cacheBmp = new Bitmap(width, height);
_hBitmap = _cacheBmp.GetHbitmap(Color.FromArgb(0, 0, 0, 0));
_hOldBitmap = Gdi32.SelectObject(_memDC, _hBitmap);
var renderProps = new RenderTargetProperties()
{
Type = RenderTargetType.Hardware,
Usage = RenderTargetUsage.None,
PixelFormat = new Vortice.DCommon.PixelFormat(Vortice.DXGI.Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied),
MinLevel = FeatureLevel.Default
};
_renderTarget = _d2dFactory.CreateDCRenderTarget(renderProps);
if (_cachedActiveBmp == null)
{
var bmp = LoadD2D1BitmapFromBitmap(_renderTarget, _decorator.ActiveBitmapTemplate);
_cachedActiveBmp = _renderTarget.CreateSharedBitmap(bmp, new BitmapProperties
{
PixelFormat = bmp.PixelFormat
});
}
if (_cachedInactiveBmp == null)
{
var bmp = LoadD2D1BitmapFromBitmap(_renderTarget, _decorator.InactiveBitmapTemplate);
_cachedInactiveBmp = _renderTarget.CreateSharedBitmap(bmp, new BitmapProperties
{
PixelFormat = bmp.PixelFormat
});
}
if (width > 0 && height > 0)
{
_renderTarget.BindDC(_memDC, new Vortice.RawRect(0, 0, width, height));
}
}
}
private void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (Handle == IntPtr.Zero)
{
return;
}
if (_renderTarget != null)
{
_renderTarget.Dispose();
_renderTarget = null;
}
_d2dFactory.Dispose();
_d2dFactory = null;
if (_memDC != IntPtr.Zero)
{
Gdi32.DeleteDC(_memDC);
}
if (_screenDC != IntPtr.Zero)
{
User32.ReleaseDC(IntPtr.Zero, _screenDC);
}
_memDC = IntPtr.Zero;
_screenDC = IntPtr.Zero;
User32.DestroyWindow(Handle);
Handle = IntPtr.Zero;
gcHandle.Free();
}
private void DiscardDeviceResource()
{
_renderTarget?.Dispose();
_renderTarget = null;
if (_memDC != IntPtr.Zero && _hBitmap != IntPtr.Zero && _hOldBitmap != IntPtr.Zero)
{
Gdi32.SelectObject(_memDC, _hOldBitmap);
Gdi32.DeleteObject(_hBitmap);
}
_hOldBitmap = IntPtr.Zero;
_hBitmap = IntPtr.Zero;
GC.Collect();
}
internal D2D1DCRenderTarget(ID2D1DCRenderTarget renderTarget)
{
this.renderTarget = renderTarget;
}
internal D2D1DCRenderTarget(ID2D1DCRenderTarget renderTarget)
{
this.renderTarget = renderTarget;
}
