00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_LITERAL_GRAYS_HH 00027 # define MLN_LITERAL_GRAYS_HH 00028 00034 # include <mln/core/concept/literal.hh> 00035 00036 namespace mln 00037 { 00038 00039 namespace literal 00040 { 00041 00043 struct light_gray_t : public Literal<light_gray_t> 00044 { 00045 }; 00046 00047 struct medium_gray_t : public Literal<medium_gray_t> 00048 { 00049 }; 00050 00051 struct dark_gray_t : public Literal<dark_gray_t> 00052 { 00053 }; 00054 00056 extern const light_gray_t& light_gray; 00057 00059 extern const medium_gray_t& medium_gray; 00060 00062 extern const dark_gray_t& dark_gray; 00063 00064 # ifndef MLN_INCLUDE_ONLY 00065 00066 const light_gray_t& light_gray = light_gray_t(); 00067 00068 const medium_gray_t& medium_gray = medium_gray_t(); 00069 00070 const dark_gray_t& dark_gray = dark_gray_t(); 00071 00072 # endif // !MLN_INCLUDE_ONLY 00073 00074 } // end of namespace mln::literal 00075 00076 } // end of namespace mln 00077 00078 // White and black are grays too. 00079 # include <mln/literal/white.hh> 00080 # include <mln/literal/black.hh> 00081 00082 #endif // ! MLN_LITERAL_GRAYS_HH