00001 /* 00002 * @(#)include/Halftoner.h 1.0 2002-08-26 10:30 00003 * 00004 * Copyright (C) 2002 Daniel Léonard 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * as published by the Free Software Foundation; either version 2 00009 * of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00019 */ 00020 00026 #ifndef _HALFTONER_H_ 00027 #define _HALFTONER_H_ 00028 00029 #include <stdexcept> 00030 00035 namespace halftoner 00036 { 00037 class HalftonerSpec; 00038 class Image; 00039 00044 class Halftoner 00045 { 00046 protected: 00050 Halftoner() throw(); 00051 00052 public: 00056 virtual ~Halftoner() throw(); 00057 00060 00073 virtual Image* halftone(const Image& image, const HalftonerSpec* specs) throw (std::invalid_argument) = 0; 00074 //\} 00075 }; 00076 00077 } 00078 00079 #endif /* #ifndef _HALFTONER_H_ */