public void Display(IBitmapFrame Frame)
{
if (Frame is RepeatFrame)
{
return;
}
if (!IsVisible)
{
Frame.Dispose();
return;
}
var win = MainWindow.Instance;
win.Dispatcher.Invoke(() =>
{
win.DisplayImage.Image = null;
_lastFrame?.Dispose();
_lastFrame = Frame;
Frame = Frame.Unwrap();
switch (Frame)
{
case DrawingFrame drawingFrame:
try
{
// TODO: Preview is not shown during Webcam only recordings
// This check swallows errors
var h = drawingFrame.Bitmap.Height;
if (h == 0)
{
return;
}
}
catch { return; }
win.WinFormsHost.Visibility = Visibility.Visible;
win.DisplayImage.Image = drawingFrame.Bitmap;
break;
case Texture2DFrame texture2DFrame:
win.WinFormsHost.Visibility = Visibility.Collapsed;
if (_d3D9PreviewAssister == null)
{
_d3D9PreviewAssister = new D3D9PreviewAssister(ServiceProvider.Get <IPlatformServices>());
_texture = _d3D9PreviewAssister.GetSharedTexture(texture2DFrame.PreviewTexture);
using var surface = _texture.GetSurfaceLevel(0);
_backBufferPtr = surface.NativePointer;
}
Invalidate(_backBufferPtr, texture2DFrame.Width, texture2DFrame.Height);
break;
}
});
}
public void Display(IBitmapFrame frame)
{
if (frame is RepeatFrame)
{
return;
}
if (!_visible)
{
frame.Dispose();
return;
}
_previewWindow.Dispatcher.Invoke(() =>
{
_previewWindow.DisplayImage.Image = null;
_lastFrame?.Dispose();
_lastFrame = frame;
if (frame is MultiDisposeFrame frameWrapper)
{
switch (frameWrapper.Frame)
{
case DrawingFrameBase drawingFrame:
_previewWindow.WinFormsHost.Visibility = Visibility.Visible;
_previewWindow.DisplayImage.Image = drawingFrame.Bitmap;
break;
case Texture2DFrame texture2DFrame:
_previewWindow.WinFormsHost.Visibility = Visibility.Collapsed;
if (_d3D9PreviewAssister == null)
{
_d3D9PreviewAssister = new D3D9PreviewAssister(ServiceProvider.Get <IPlatformServices>());
_texture = _d3D9PreviewAssister.GetSharedTexture(texture2DFrame.PreviewTexture);
using (var surface = _texture.GetSurfaceLevel(0))
{
_backBufferPtr = surface.NativePointer;
}
}
Invalidate(_backBufferPtr, texture2DFrame.Width, texture2DFrame.Height);
break;
}
}
});
}
public void Dispose()
{
_previewWindow.Dispatcher.Invoke(() =>
{
_previewWindow.DisplayImage.Image = null;
_lastFrame?.Dispose();
_lastFrame = null;
if (_d3D9PreviewAssister != null)
{
Invalidate(IntPtr.Zero, 0, 0);
_texture.Dispose();
_d3D9PreviewAssister.Dispose();
_d3D9PreviewAssister = null;
}
});
}
public void Dispose()
{
var win = MainWindow.Instance;
win.Dispatcher.Invoke(() =>
{
win.DisplayImage.Image = null;
win.WinFormsHost.Visibility = Visibility.Collapsed;
_lastFrame?.Dispose();
_lastFrame = null;
if (_d3D9PreviewAssister != null)
{
Invalidate(IntPtr.Zero, 0, 0);
_texture.Dispose();
_d3D9PreviewAssister.Dispose();
_d3D9PreviewAssister = null;
}
});
}
