00001 /* 00002 * @(#)include/Instanciator.h 1.0 2002-08-27 13:54 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 _INSTANCIATOR_H_ 00027 #define _INSTANCIATOR_H_ 00028 00029 namespace halftoner 00030 { 00031 class Halftoner; 00032 00038 class Instanciator 00039 { 00040 protected: 00044 Instanciator() throw(); 00045 00046 public: 00050 virtual ~Instanciator() throw(); 00051 00054 00059 virtual Halftoner* operator()() const throw() = 0; 00061 }; 00062 00063 } 00064 00065 #endif /* #ifndef _INSTANCIATOR_H_ */