public static void MoveTo(this Context ctx, IdpGie.Geometry.Point3 p)
{
ctx.MoveTo (p.X, p.Y);
}
public static void CurveTo(this Context ctx, IdpGie.Geometry.Point3 p1, IdpGie.Geometry.Point3 p2, IdpGie.Geometry.Point3 p3)
{
ctx.CurveTo (p1.X, p1.Y, p2.X, p2.Y, p3.X, p3.Y);
}
