private void DoUpdateImage(TIS.Imaging.IFrame buffer)
{
int bufferWidth = buffer.FrameType.Width;
int bufferHeight = buffer.FrameType.Height;
PixelFormat bufferFormat = PixelFormatFromFrameType(buffer.FrameType);
if ((_source == null) ||
(_source.PixelWidth != bufferWidth) ||
(_source.PixelHeight != bufferHeight) ||
(_source.Format != bufferFormat))
{
_source = CreateBackBuffer(bufferWidth, bufferHeight, bufferFormat);
CopyImageBufferToWritableBitmap(buffer, _source);
display.Source = _source;
}
else
{
CopyImageBufferToWritableBitmap(buffer, _source);
}
if (_overlayAdorner != null)
{
_overlayAdorner.InvalidateVisual();
}
IsSourceBottomUp = buffer.FrameType.IsBottomUp;
UpdateFlip();
}
public void UpdateImage(TIS.Imaging.IFrameQueueBuffer buffer)
{
int bufferWidth = buffer.FrameType.Width;
int bufferHeight = buffer.FrameType.Height;
PixelFormat bufferFormat = PixelFormatFromFrameType(buffer.FrameType);
display.Dispatcher.Invoke(
(Action)(() =>
{
if ((_source == null) ||
(_source.PixelWidth != bufferWidth) ||
(_source.PixelHeight != bufferHeight) ||
(_source.Format != bufferFormat))
{
_source = CreateBackBuffer(bufferWidth, bufferHeight, bufferFormat);
CopyImageBufferToWritableBitmap(buffer, _source);
display.Source = _source;
}
else
{
CopyImageBufferToWritableBitmap(buffer, _source);
}
_overlayAdorner.InvalidateVisual();
IsSourceBottomUp = buffer.FrameType.IsBottomUp;
UpdateFlip();
})
);
}
protected override void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e)
{
base.OnLostKeyboardFocus(e);
_adorner.InvalidateVisual();
}