Milena (Olena)  User documentation 2.0a Id
grays.hh
00001 // Copyright (C) 2007, 2008, 2009, 2011 EPITA Research and Development
00002 // Laboratory (LRDE)
00003 //
00004 // This file is part of Olena.
00005 //
00006 // Olena is free software: you can redistribute it and/or modify it under
00007 // the terms of the GNU General Public License as published by the Free
00008 // Software Foundation, version 2 of the License.
00009 //
00010 // Olena is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with Olena.  If not, see <http://www.gnu.org/licenses/>.
00017 //
00018 // As a special exception, you may use this file as part of a free
00019 // software project without restriction.  Specifically, if other files
00020 // instantiate templates or use macros or inline functions from this
00021 // file, or you compile this file and link it with other files to produce
00022 // an executable, this file does not by itself cause the resulting
00023 // executable to be covered by the GNU General Public License.  This
00024 // exception does not however invalidate any other reasons why the
00025 // executable file might be covered by the GNU General Public License.
00026 
00027 #ifndef MLN_LITERAL_GRAYS_HH
00028 # define MLN_LITERAL_GRAYS_HH
00029 
00035 # include <mln/core/concept/literal.hh>
00036 
00037 namespace mln
00038 {
00039 
00040   namespace literal
00041   {
00042 
00044     struct light_gray_t : public Literal<light_gray_t>
00045     {
00046       // This default constructor is needed for compilation with gcc
00047       // 4.6.0, gcc 4.6.1 and Clang.
00048       light_gray_t();
00049     };
00050 
00051     struct medium_gray_t : public Literal<medium_gray_t>
00052     {
00053       // This default constructor is needed for compilation with gcc
00054       // 4.6.0, gcc 4.6.1 and Clang.
00055       medium_gray_t();
00056     };
00057 
00058     struct dark_gray_t : public Literal<dark_gray_t>
00059     {
00060       // This default constructor is needed for compilation with gcc
00061       // 4.6.0, gcc 4.6.1 and Clang.
00062       dark_gray_t();
00063     };
00064 
00066     extern const light_gray_t light_gray;
00067 
00069     extern const medium_gray_t medium_gray;
00070 
00072     extern const dark_gray_t dark_gray;
00073 
00074 # ifndef MLN_INCLUDE_ONLY
00075 
00076 #  ifndef MLN_WO_GLOBAL_VARS
00077 
00078     const light_gray_t light_gray;
00079 
00080     const medium_gray_t medium_gray;
00081 
00082     const dark_gray_t dark_gray;
00083 
00084 #  endif // ! MLN_WO_GLOBAL_VARS
00085 
00086     inline
00087     light_gray_t::light_gray_t()
00088     {
00089     }
00090 
00091     inline
00092     medium_gray_t::medium_gray_t()
00093     {
00094     }
00095 
00096     inline
00097     dark_gray_t::dark_gray_t()
00098     {
00099     }
00100 
00101 # endif // !MLN_INCLUDE_ONLY
00102 
00103   } // end of namespace mln::literal
00104 
00105 } // end of namespace mln
00106 
00107 // White and black are grays too.
00108 # include <mln/literal/white.hh>
00109 # include <mln/literal/black.hh>
00110 
00111 #endif // ! MLN_LITERAL_GRAYS_HH
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