public static NSArray ReduceGlyphsToColumn(PSPDFGlyph [] glyphs)
        {
            var objs = new List<NSObject>();

            foreach (var glyph in glyphs)
                objs.Add(glyph);

            NSArray arry = NSArray.FromNSObjects(objs.ToArray());
            return new NSArray(_ReduceGlyphsToColumn(arry.Handle));
        }
        public static RectangleF[] RectsFromGlyphs(PSPDFGlyph [] glyphs, CGAffineTransform t, RectangleF boundingBox)
        {
            var objs = new List<NSObject>();

            foreach (var glyph in glyphs)
                objs.Add(glyph);

            NSArray arry = NSArray.FromNSObjects(objs.ToArray());
            return _RectsFromGlyphs(arry.Handle, t, boundingBox);
        }