public new object Clone()
{
DDNodeWithHandles ret = new DDNodeWithHandles();
CloneTo(ret);
return(ret);
}
protected override void CloneTo(DDNode target)
{
base.CloneTo(target);
if (target is DDNodeWithHandles)
{
DDNodeWithHandles localTarget = target as DDNodeWithHandles;
localTarget.ShowPointHandle = ShowPointHandle;
localTarget.ShowControlHandles = ShowControlHandles;
}
}
private static void AnyShowHandlePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs args)
{
DDNodeWithHandles sender = (DDNodeWithHandles)d;
sender.RefreshHandleVisibility();
}
public override bool SetFromCLR(Shape source)
{
if (!base.SetFromCLR(source))
{
return(false);
}
if (!(source is Path))
{
return(false);
}
Path path = source as Path;
if (!(path.Data is PathGeometry))
{
return(false);
}
PathGeometry g = path.Data as PathGeometry;
if (g.Figures.Count == 0)
{
return(false);
}
IsFilled = g.Figures[0].IsFilled;
Vector offset = new Vector(X, Y);
List <BezierSegment> segmentList = new List <BezierSegment>();
for (int i = 0; i < g.Figures[0].Segments.Count; i++)
{
if (g.Figures[0].Segments[i] is BezierSegment)
{
BezierSegment seg = (g.Figures[0].Segments[i] as BezierSegment).Clone();
seg.Point1 += offset;
seg.Point2 += offset;
seg.Point3 += offset;
segmentList.Add(seg);
}
else if (g.Figures[0].Segments[i] is PolyBezierSegment)
{
PolyBezierSegment pbs = g.Figures[0].Segments[i] as PolyBezierSegment;
for (int j = 2; j < pbs.Points.Count; j += 3)
{
segmentList.Add(new BezierSegment(
pbs.Points[j - 2] + offset,
pbs.Points[j - 1] + offset,
pbs.Points[j] + offset, pbs.IsStroked));
}
}
}
DDNode nodeBefore = null;
Point? savedFirstControl = null;
foreach (BezierSegment segment in segmentList)
{
DDNodeWithHandles node = new DDNodeWithHandles();
node.Point = new DDPoint(segment.Point3);
if (segment.Point2 != segment.Point3)
{
node.Control1 = new DDPoint(segment.Point2);
}
else
{
node.Control1 = null;
}
if (nodeBefore != null)
{
if ((nodeBefore.Point != null) && (segment.Point1 != nodeBefore.Point.Point))
{
nodeBefore.Control2 = new DDPoint(segment.Point1);
}
else
{
nodeBefore.Control2 = null;
}
}
else
{
savedFirstControl = segment.Point1;
}
node.IsCurved = true;
node.IsStroked = segment.IsStroked;
nodeBefore = node;
Nodes.Add(node);
}
if ((Nodes.Last != null) && (savedFirstControl.HasValue))
{
if (savedFirstControl.Value != Nodes.Last.Point)
{
Nodes.Last.Control2 = new DDPoint(savedFirstControl.Value);
}
else
{
Nodes.Last.Control2 = null;
}
}
this.ClearValue(FrameworkElement.WidthProperty);
this.ClearValue(FrameworkElement.HeightProperty);
return(true);
}
