public WebcamOverlayReactor(WebcamOverlaySettings Settings)
{
Location = Settings.ObserveProperty(M => M.XLoc)
.CombineLatest(
Settings.ObserveProperty(M => M.YLoc),
FrameSize,
WebcamSize,
Settings.ObserveProperty(M => M.Scale),
(X, Y, FrameSize, WebcamSize, Scale) => Settings.GetPosition(FrameSize.ToDrawingSize(), WebcamSize.ToDrawingSize()))
.ToReadOnlyReactivePropertySlim();
Size = Settings.ObserveProperty(M => M.Scale)
.CombineLatest(
FrameSize,
WebcamSize,
(Scale, FrameSize, WebcamSize) => Settings.GetSize(FrameSize.ToDrawingSize(), WebcamSize.ToDrawingSize()).ToWpfSize())
.ToReadOnlyReactivePropertySlim();
Opacity = Settings
.ObserveProperty(M => M.Opacity)
.Select(M => M / 100.0)
.ToReadOnlyReactivePropertySlim();
}
public override void Draw(IEditableFrame Editor, Func <Point, Point> PointTransform = null)
{
// No Webcam
if (_webcamModel.AvailableCams.Count < 1 || _webcamModel.SelectedCam is NoWebcamItem)
{
return;
}
var cap = _webcamCapture.Value;
if (cap == null)
{
return;
}
var frameSize = new Size((int)Editor.Width, (int)Editor.Height);
var webcamSize = new Size(cap.Width, cap.Height);
var pos = _settings.GetPosition(frameSize, webcamSize);
var size = _settings.GetSize(frameSize, webcamSize);
Draw(Editor, GetImage(Editor), pos, size, _settings.Opacity);
}