Convert text string to UIImage in MonoTouch

gistfile1.cs

        static public UIImage StringToImage(string s, float fontSize)
        {
            return StringToImage(s, UIFont.FromName("Helvetica", fontSize));
        }

        static public UIImage StringToImage(string s, UIFont font)
        {
            var ns = new NSString(s);
            var size = ns.StringSize(font);
            UIGraphics.BeginImageContext(size);
            ns.DrawString(PointF.Empty, font);
            var image = UIGraphics.GetImageFromCurrentImageContext();
            UIGraphics.EndImageContext();
            return image;
        }