The Anti-Grain Geometry Project A high quality rendering engine for C++ http://antigrain.com Anti-Grain Geometry - Version 2.4 Copyright (C) 2002-2005 Maxim Shemanarev (McSeem) Permission to copy, use, modify, sell and distribute this software is granted provided this copyright notice appears in all copies. This software is provided "as is" without express or implied warranty, and with no claim as to its suitability for any purpose.