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/* This file is part of the KDE libraries Copyright (C) 1997 Martin Jones (mjones@kde.org) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ //----------------------------------------------------------------------------- // // Floyd-Steinberg dithering // Ref: Bitmapped Graphics Programming in C++ // Marv Luse, Addison-Wesley Publishing, 1993. // #ifndef __DITHER_H__ #define __DITHER_H__ #include <qimage.h> /** * Allows Floyd-Steinberg dithering for low-colour situations. * @short Floyd-Steinberg dithering. * @version $Id: dither.h,v 1.1 1998/04/25 13:15:27 mark Exp $ * @author Marv Luse (tm Addison Wesley Publishing) */ class kFSDither { public: /** */ kFSDither( const QColor *pal, int pSize ); /** */ QImage dither( const QImage &i ); private: /** */ int nearestColor( int r, int g, int b ); private: /** */ const QColor *palette; /** */ int palSize; }; #endif // __DITHER_H__
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