$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
representative.hh
1 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #ifndef MLN_GRAPH_ATTRIBUTE_REPRESENTATIVE_HH
27 # define MLN_GRAPH_ATTRIBUTE_REPRESENTATIVE_HH
28 
35 
36 
37 # include <mln/core/concept/graph.hh>
38 # include <mln/util/array.hh>
39 
40 
41 namespace mln
42 {
43 
44  namespace graph
45  {
46 
47  namespace attribute
48  {
49 
52  struct representative_t;
53 
55  extern representative_t representative;
56 
57 # ifndef MLN_INCLUDE_ONLY
58 
63  struct representative_t
64  {
66  typedef util::array<unsigned> result;
67 
68  template <typename G>
69  void init(const Graph<G>& g)
70  {
71  data.resize(0);
72  deja_vu_.resize(exact(g).v_nmax());
73  deja_vu_.fill(false);
74  }
75 
76  bool to_be_treated(unsigned id)
77  { return !deja_vu_[id]; }
78 
79  void new_component_from_vertex(unsigned id)
80  {
81  data.append(id);
82  deja_vu_[id] = true;
83  }
84 
85  void process_vertex(unsigned)
86  {}
87 
88  bool to_be_queued(unsigned id)
89  { return !deja_vu_[id]; }
90 
91  void added_to_queue(unsigned id)
92  {
93  deja_vu_[id] = true;
94  }
95 
96  void next_component()
97  {}
98 
99  void final()
100  {}
101 
102  util::array<bool> deja_vu_;
103  util::array<unsigned> data;
104  };
105 
106  representative_t representative;
107 
108 
109 # endif // ! MLN_INCLUDE_ONLY
110 
111 
112  } // end of namespace mln::graph::attribute
113 
114  } // end of namespace mln::graph
115 
116 } // end of namespace mln
117 
118 
119 #endif // ! MLN_GRAPH_ATTRIBUTE_REPRESENTATIVE_HH