public Vector2 MeasureString(string text)
        {
            if (IsDisposed || string.IsNullOrEmpty(text))
                return Vector2.Zero;

            List<float> line_widths = new List<float>();
            float height = 0f;

            MeasureString(text, out line_widths, out height);

            return new Vector2(line_widths.Max(x => x), height);
        }