public WebcamOverlay(WebcamModel WebcamModel, Settings Settings) : base(true)
{
_webcamModel = WebcamModel;
_settings = Settings.WebcamOverlay;
_webcamCapture = WebcamModel.InitCapture();
}
public IBitmapImage Capture(bool IncludeCursor)
{
var webcamCapture = _webcamModel.InitCapture();
try
{
return(webcamCapture.Value?.Capture(GraphicsBitmapLoader.Instance));
}
finally
{
_webcamModel.ReleaseCapture();
}
}
public void SetupPreview()
{
_webcamModel.PreviewClicked += SettingsWindow.ShowWebcamPage;
IsVisibleChanged += (S, E) =>
{
if (IsVisible && _webcamCapture == null)
{
_webcamCapture = _webcamModel.InitCapture();
if (_webcamCapture.Value is { } capture)
{
_reactor.WebcamSize.OnNext(new WSize(capture.Width, capture.Height));
UpdateWebcamPreview();
}
}
else if (!IsVisible && _webcamCapture != null)
{
_webcamModel.ReleaseCapture();
_webcamCapture = null;
}
};
void OnRegionChange()
{
if (!IsVisible)
{
return;
}
_reactor.FrameSize.OnNext(new WSize(Img.ActualWidth, Img.ActualHeight));
}
PreviewGrid.LayoutUpdated += (S, E) => OnRegionChange();
_webcamModel
.ObserveProperty(M => M.SelectedCam)
.Subscribe(M => UpdateWebcamPreview());
_reactor.Location
.CombineLatest(_reactor.Size, (M, N) =>
{
UpdateWebcamPreview();
return(0);
})
.Subscribe();
UpdateWebcamPreview();
}
public void SetupPreview()
{
_webcamModel.PreviewClicked += SettingsWindow.ShowWebcamPage;
IsVisibleChanged += (S, E) =>
{
if (IsVisible && _webcamCapture == null)
{
_webcamCapture = _webcamModel.InitCapture();
SwitchWebcamPreview();
}
else if (!IsVisible && _webcamCapture != null)
{
_webcamModel.ReleaseCapture();
_webcamCapture = null;
}
};
void OnRegionChange()
{
if (!IsVisible)
{
return;
}
_reactor.FrameSize.OnNext(new System.Windows.Size(PreviewGrid.ActualWidth, PreviewGrid.ActualHeight));
SwitchWebcamPreview();
}
PreviewTarget.LayoutUpdated += (S, E) => OnRegionChange();
_webcamModel
.ObserveProperty(M => M.SelectedCam)
.Subscribe(M => SwitchWebcamPreview());
SwitchWebcamPreview();
}