private static PathSegment Copy(PathSegment s) {
if (s == null) return null;
LineSegment ls = s as LineSegment;
if (ls != null) {
return new LineSegment() { Point = ls.Point };
}
BezierSegment bs = s as BezierSegment;
if (bs != null) {
return new BezierSegment() { Point1 = bs.Point1, Point2 = bs.Point2, Point3 = bs.Point3 };
}
QuadraticBezierSegment qbs = s as QuadraticBezierSegment;
if (qbs != null) {
return new QuadraticBezierSegment() { Point1 = qbs.Point1, Point2 = qbs.Point2 };
}
ArcSegment arc = s as ArcSegment;
if (arc != null) {
return new ArcSegment() { Point = arc.Point, Size = arc.Size, SweepDirection = arc.SweepDirection, IsLargeArc = arc.IsLargeArc, RotationAngle = arc.RotationAngle };
}
PolyLineSegment pls = s as PolyLineSegment;
if (pls != null) {
return new PolyLineSegment() { Points = Copy(pls.Points) };
}
PolyBezierSegment pbs = s as PolyBezierSegment;
if (pbs != null) {
return new PolyBezierSegment() { Points = Copy(pbs.Points) };
}
PolyQuadraticBezierSegment pqbs = s as PolyQuadraticBezierSegment;
if (pqbs != null) {
return new PolyQuadraticBezierSegment() { Points = Copy(pqbs.Points) };
}
Diagram.Error("Copying an unknown kind of PathSegment: " + s.ToString());
return null;
}
