public void Ellipse(Vector2 center, Vector2 axes, float rotation, float startAngle, float endAngle)
    {
        var pfCenter = PFUnityConv.PFVector2F(center);
        var pfAxes   = PFUnityConv.PFVector2F(axes);

        PF.PFPathEllipse(handle, ref pfCenter, ref pfAxes, rotation, startAngle, endAngle);
    }