internal static Geometry Copy(Geometry g)
{
if (g == null)
{
return(null);
}
RectangleGeometry rg = g as RectangleGeometry;
if (rg != null)
{
return(new RectangleGeometry()
{
Rect = rg.Bounds, RadiusX = rg.RadiusX, RadiusY = rg.RadiusY, Transform = rg.Transform
});
}
EllipseGeometry eg = g as EllipseGeometry;
if (eg != null)
{
return(new EllipseGeometry()
{
Center = eg.Center, RadiusX = eg.RadiusX, RadiusY = eg.RadiusY, Transform = eg.Transform
});
}
LineGeometry lg = g as LineGeometry;
if (lg != null)
{
return(new LineGeometry()
{
StartPoint = lg.StartPoint, EndPoint = lg.EndPoint, Transform = lg.Transform
});
}
PathGeometry pg = g as PathGeometry;
if (pg != null)
{
if (!Geo.PathGeometryHasFigures(pg))
{
return(new RectangleGeometry()
{
Rect = pg.Bounds, RadiusX = 0, RadiusY = 0, Transform = pg.Transform
});
}
else
{
PathGeometry pg2 = new PathGeometry();
pg2.FillRule = pg.FillRule;
pg2.Figures = new PathFigureCollection(); // required for Geo.PathGeometryHasFigures to work
foreach (PathFigure pf in pg.Figures)
{
PathFigure pf2 = new PathFigure();
pf2.StartPoint = pf.StartPoint;
foreach (PathSegment ps in pf.Segments)
{
pf2.Segments.Add(Copy(ps));
}
pf2.IsClosed = pf.IsClosed;
pf2.IsFilled = pf.IsFilled;
pg2.Figures.Add(pf2);
}
pg2.Transform = pg.Transform;
return(pg2);
}
}
GeometryGroup gg = g as GeometryGroup;
if (gg != null)
{
GeometryGroup gg2 = new GeometryGroup();
gg2.FillRule = gg.FillRule;
foreach (Geometry x in gg.Children)
{
gg2.Children.Add(Copy(x));
}
gg2.Transform = gg.Transform;
return(gg2);
}
Diagram.Error("Copying an unknown kind of Geometry: " + g.ToString());
return(null);
}