public static Matrix GetRectangleClipGeometryTransform(SceneElement element)
{
RectangleGeometry rectangleGeometry = element.GetLocalValueAsWpf(Base2DElement.ClipProperty) as RectangleGeometry;
if (rectangleGeometry != null)
{
Transform transform = rectangleGeometry.Transform;
if (transform != null && !transform.Value.IsIdentity)
{
return(transform.Value);
}
}
return(Matrix.Identity);
}
