00001 // Copyright (C) 2010 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_FUN_V2V_RGB8_TO_RGBN_HH 00027 # define MLN_FUN_V2V_RGB8_TO_RGBN_HH 00028 00029 # include <mln/core/concept/function.hh> 00030 # include <mln/value/rgb8.hh> 00031 # include <mln/value/rgb.hh> 00032 # include <mln/core/contract.hh> 00033 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace fun 00043 { 00044 00045 namespace v2v 00046 { 00047 00048 00054 // 00055 template <unsigned n> 00056 struct rgb8_to_rgbn : Function_v2v< rgb8_to_rgbn<n> > 00057 { 00058 typedef value::rgb8 argument; 00059 typedef value::rgb<n> result; 00060 00067 // 00068 result operator()(const argument& c) const; 00069 00070 }; 00071 00072 00073 # ifndef MLN_INCLUDE_ONLY 00074 00080 // 00081 template <unsigned n> 00082 typename rgb8_to_rgbn<n>::result 00083 rgb8_to_rgbn<n>::operator()(const argument& c) const 00084 { 00085 mln_precondition(8 > n); 00086 00087 unsigned size = pow(2,(8-n)); 00088 /* 00089 std::cout << "c : " << c << std::endl; 00090 std::cout << "red : " << c.red() << std::endl; 00091 std::cout << "size : " << size << std::endl; 00092 std::cout << "res : " << (c.red() / size) << std::endl; 00093 std::cout << "max : " << (mln_max(mln::value::int_u<n>))<< std::endl; 00094 */ 00095 result res(c.red() / size, c.green() / size, c.blue() / size); 00096 00097 return res; 00098 } 00099 00100 # endif // ! MLN_INCLUDE_ONLY 00101 00102 00103 } // end of namespace mln::fun::v2v 00104 00105 } // end of namespace mln::fun 00106 00107 } // end of namespace mln 00108 00109 #endif // ! MLN_FUN_V2V_RGB8_TO_RGBN_HH
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