Milena (Olena)
User documentation 2.0a Id
|
00001 // Copyright (C) 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_MORPHO_ELEMENTARY_EROSION_HH 00027 # define MLN_MORPHO_ELEMENTARY_EROSION_HH 00028 00030 00031 # include <mln/morpho/elementary/like_ero_fun.hh> 00032 # include <mln/morpho/elementary/like_ero_set.hh> 00033 00034 00035 namespace mln 00036 { 00037 00038 namespace morpho 00039 { 00040 00041 namespace elementary 00042 { 00043 00044 00045 template <typename I, typename N> 00046 mln_concrete(I) 00047 erosion(const Image<I>& input, const Neighborhood<N>& nbh); 00048 00049 00050 # ifndef MLN_INCLUDE_ONLY 00051 00052 namespace internal 00053 { 00054 00055 // Dispatch. 00056 00057 template <typename I, typename N> 00058 mln_concrete(I) 00059 erosion_dispatch(trait::image::kind::any, 00060 const Image<I>& input, const Neighborhood<N>& nbh) 00061 { 00062 return like_ero_fun(accu::meta::stat::min(), f_accu(), input, nbh); 00063 } 00064 00065 template <typename I, typename N> 00066 mln_concrete(I) 00067 erosion_dispatch(trait::image::kind::logic, 00068 const Image<I>& input, const Neighborhood<N>& nbh) 00069 { 00070 bool val[] = 00071 { 00072 1, // ext_value 00073 1, // do_duplicate 00074 1, // on_input_p 00075 0, // on_input_n 00076 0, // output_p 00077 }; 00078 return like_ero_set(val, input, nbh); 00079 } 00080 00081 template <typename I, typename N> 00082 mln_concrete(I) 00083 erosion_dispatch(const Image<I>& input, const Neighborhood<N>& nbh) 00084 { 00085 return erosion_dispatch(mln_trait_image_kind(I)(), 00086 input, nbh); 00087 } 00088 00089 } // end of namespace mln::morpho::elementary::internal 00090 00091 00092 // Facade. 00093 00094 template <typename I, typename N> 00095 mln_concrete(I) 00096 erosion(const Image<I>& input, const Neighborhood<N>& nbh) 00097 { 00098 trace::entering("morpho::elementary::erosion"); 00099 00100 mln_precondition(exact(input).is_valid()); 00101 mln_precondition(exact(nbh).is_valid()); 00102 00103 mln_concrete(I) output = internal::erosion_dispatch(input, nbh); 00104 00105 mln_postcondition(output <= input); 00106 trace::exiting("morpho::elementary::erosion"); 00107 return output; 00108 } 00109 00110 # endif // ! MLN_INCLUDE_ONLY 00111 00112 } // end of namespace mln::morpho::elementary 00113 00114 } // end of namespace mln::morpho 00115 00116 } // end of namespace mln 00117 00118 00119 #endif // ! MLN_MORPHO_ELEMENTARY_EROSION_HH