(*
                else if (!point.onCurve && !point_plus1.onCurve)
                {
                    segment[0] = point.x * emScale;
                    segment[1] = -point.y * emScale;
                    segment[2] = midPoint(point.x, point_plus1.x) * emScale;
                    segment[3] = -midPoint(point.y, point_plus1.y) * emScale;
        }
            private static double midPoint(int a, int b)
            {
                return a + (b - a) / 2.0;
            }
*)
        let a = g.gs_x_coordinates.(p1) in
        let b = g.gs_x_coordinates.(p2) in
        let x = float_of_int (a + (b-a)/2) in

        let a = g.gs_y_coordinates.(p1) in
        let b = g.gs_y_coordinates.(p2) in
        let y = float_of_int (a + (b-a)/2) *. -1.0 in