Lanczos (6tap) scaling
Copyright (C) 2010 Team XBMC
http://www.xbmc.org
Copyright (C) 2011 Stefanos A.
http://www.opentk.com
Copyright (C) 2011 BlackStar and DOLLS
This Program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This Program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.