public static extern Error FT_Glyph_To_Bitmap(ref Glyph *the_glyph, RenderMode render_mode, ref FTVector26Dot6 origin, [MarshalAs(UnmanagedType.U1)] bool destroy);
public static extern Error FT_Get_Kerning(Face *face, uint left_glyph, uint right_glyph, KerningMode kern_mode, out FTVector26Dot6 akerning);
