Milena (Olena)  User documentation 2.0a Id
center_only_iter.hh
00001 // Copyright (C) 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_TOPO_CENTER_ONLY_ITER_HH
00028 # define MLN_TOPO_CENTER_ONLY_ITER_HH
00029 
00036 
00037 # include <mln/topo/internal/complex_relative_iterator_base.hh>
00038 # include <mln/topo/face.hh>
00039 
00040 
00041 namespace mln
00042 {
00043 
00044   namespace topo
00045   {
00046 
00047     // Forward declaration.
00048     template <unsigned D> class face;
00049 
00050 
00051     /*----------------------------.
00052     | topo::center_only_iter<D>.  |
00053     `----------------------------*/
00054 
00073     template <unsigned D>
00074     class center_only_iter
00075       : public internal::forward_complex_relative_iterator_base< topo::face<D>,
00076                                                                  algebraic_face<D>,
00077                                                                  center_only_iter<D> >
00078     {
00079       // Tech note: we use topo::face to help g++-2.95.
00080     private:
00081       typedef center_only_iter<D> self_;
00082       typedef internal::forward_complex_relative_iterator_base< topo::face<D>,
00083                                                                 algebraic_face<D>,
00084                                                                 self_ > super_;
00085 
00086     public:
00089       center_only_iter();
00090       template <typename Fref>
00091       center_only_iter(const Fref& f_ref);
00093 
00095       void update_adj_faces_();
00096     };
00097 
00098 
00099 
00100 # ifndef MLN_INCLUDE_ONLY
00101 
00102     /*----------------------------.
00103     | topo::center_only_iter<D>.  |
00104     `----------------------------*/
00105 
00106     template <unsigned D>
00107     inline
00108     center_only_iter<D>::center_only_iter()
00109     {
00110     }
00111 
00112     template <unsigned D>
00113     template <typename Fref>
00114     inline
00115     center_only_iter<D>::center_only_iter(const Fref& f_ref)
00116       : super_(f_ref)
00117     {
00118     }
00119 
00120     template <unsigned D>
00121     inline
00122     void
00123     center_only_iter<D>::update_adj_faces_()
00124     {
00125       mln_precondition(this->c_);
00126       this->adj_faces_.clear();
00127       this->adj_faces_.push_back(make_algebraic_face(*this->c_, true));
00128     }
00129 
00130 # endif // ! MLN_INCLUDE_ONLY
00131 
00132   } // end of namespace mln::topo
00133 
00134 } // end of namespace mln
00135 
00136 #endif // ! MLN_TOPO_CENTER_ONLY_ITER_HH
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