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_MORPHO_ATTRIBUTE_COUNT_ADJACENT_VERTICES_HH 00027 # define MLN_MORPHO_ATTRIBUTE_COUNT_ADJACENT_VERTICES_HH 00028 00035 00036 # include <mln/pw/internal/image_base.hh> 00037 # include <mln/accu/internal/base.hh> 00038 # include <mln/pw/image.hh> 00039 # include <mln/util/pix.hh> 00040 # include <mln/util/graph_ids.hh> 00041 00042 namespace mln 00043 { 00044 00045 // Forward declaration. 00046 namespace morpho { 00047 namespace attribute { 00048 template <typename I> 00049 struct count_adjacent_vertices; 00050 } 00051 } 00052 00053 00054 // Traits. 00055 00056 namespace trait 00057 { 00058 00059 template <typename I> 00060 struct accumulator_< morpho::attribute::count_adjacent_vertices<I> > 00061 { 00062 typedef accumulator::has_untake::no has_untake; 00063 typedef accumulator::has_set_value::no has_set_value; 00064 typedef accumulator::has_stop::no has_stop; 00065 typedef accumulator::when_pix::use_p when_pix; 00066 }; 00067 00068 } // end of namespace mln::trait 00069 00070 00071 namespace morpho 00072 { 00073 00074 namespace attribute 00075 { 00076 00081 // 00082 template <typename I> 00083 struct count_adjacent_vertices 00084 : public accu::internal::base< unsigned , 00085 count_adjacent_vertices<I> > 00086 { 00087 typedef mln_psite(I) argument; 00088 00089 count_adjacent_vertices(); 00090 00093 void init(); 00094 00095 void take(const argument& px); 00096 void take(const count_adjacent_vertices<I>& other); 00097 00098 void take_as_init_(const argument& px); 00100 00102 unsigned to_result() const; 00103 00105 bool is_valid() const; 00106 00107 00108 protected: 00110 void update_ (); 00111 00113 unsigned count__; 00115 std::set<util::vertex_id_t> vertices_; 00116 }; 00117 00118 00119 00120 # ifndef MLN_INCLUDE_ONLY 00121 00122 template <typename I> 00123 inline 00124 count_adjacent_vertices<I>::count_adjacent_vertices() 00125 { 00126 init(); 00127 } 00128 00129 template <typename I> 00130 inline 00131 void 00132 count_adjacent_vertices<I>::init() 00133 { 00134 vertices_.clear(); 00135 update_(); 00136 } 00137 00138 template <typename I> 00139 inline 00140 void 00141 count_adjacent_vertices<I>::take(const argument& p) 00142 { 00143 vertices_.insert(p.v1()); 00144 vertices_.insert(p.v2()); 00145 update_(); 00146 } 00147 00148 template <typename I> 00149 inline 00150 void 00151 count_adjacent_vertices<I>::take(const count_adjacent_vertices<I>& other) 00152 { 00153 vertices_.insert (other.vertices_.begin(), other.vertices_.end()); 00154 update_(); 00155 } 00156 00157 template <typename I> 00158 inline 00159 void 00160 count_adjacent_vertices<I>::take_as_init_(const argument& px) 00161 { 00162 vertices_.clear(); 00163 take(px); 00164 } 00165 00166 template <typename I> 00167 inline 00168 unsigned 00169 count_adjacent_vertices<I>::to_result() const 00170 { 00171 return count__; 00172 } 00173 00174 template <typename I> 00175 inline 00176 void 00177 count_adjacent_vertices<I>::update_() 00178 { 00179 count__ = vertices_.size(); 00180 } 00181 00182 template <typename I> 00183 inline 00184 bool 00185 count_adjacent_vertices<I>::is_valid() const 00186 { 00187 return true; 00188 } 00189 00190 00191 # endif // ! MLN_INCLUDE_ONLY 00192 00193 } // end of namespace mln::morpho::attribute 00194 00195 } // end of namespace mln::morpho 00196 00197 } // end of namespace mln 00198 00199 #endif // ! MLN_MORPHO_ATTRIBUTE_COUNT_ADJACENT_VERTICES_HH
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