/// <summary>
/// Delegate called on figure(s) changed.
/// </summary>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
private void OnFiguresChanged(PathFigures oldValue, PathFigures newValue)
{
_figuresObserver?.Dispose();
_figuresPropertiesObserver?.Dispose();
_figuresObserver = newValue?.ForEachItem(f => NotifyChanged(), f => NotifyChanged(), () => NotifyChanged());
_figuresPropertiesObserver = newValue?.TrackItemPropertyChanged(t => NotifyChanged());
}
private void OnFiguresChanged(PathFigures figures)
{
_figuresObserver?.Dispose();
_figuresPropertiesObserver?.Dispose();
_figuresObserver = figures?.ForEachItem(
_ => InvalidateGeometry(),
_ => InvalidateGeometry(),
() => InvalidateGeometry());
_figuresPropertiesObserver = figures?.TrackItemPropertyChanged(_ => InvalidateGeometry());
}
private void OnFiguresChanged(PathFigures figures)
{
_figuresObserver?.Dispose();
_figuresPropertiesObserver?.Dispose();
_figuresObserver = figures?.ForEachItem(
s =>
{
s.SegmentsInvalidated += InvalidateGeometryFromSegments;
InvalidateGeometry();
},
s =>
{
s.SegmentsInvalidated -= InvalidateGeometryFromSegments;
InvalidateGeometry();
},
InvalidateGeometry);
_figuresPropertiesObserver = figures?.TrackItemPropertyChanged(_ => InvalidateGeometry());
}
/// <summary>
/// Initializes a new instance of the <see cref="PathGeometry"/> class.
/// </summary>
public PathGeometry()
{
Figures = new PathFigures();
}
