$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
is_n_face.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_TOPO_IS_N_FACE_HH
27 # define MLN_TOPO_IS_N_FACE_HH
28 
32 
33 # include <mln/core/site_set/complex_psite.hh>
34 # include <mln/core/image/complex_neighborhoods.hh>
35 # include <mln/core/image/complex_neighborhood_piter.hh>
36 
37 namespace mln
38 {
39 
40  namespace topo
41  {
42 
43  // Forward declaration.
44  template <typename P, unsigned N>
45  struct is_n_face;
46 
49  template <typename P, unsigned N>
50  struct is_n_face : public mln::Function_v2b< is_n_face<P, N> >
51  {
52  typedef bool result;
53 
54  bool operator()(const P& p) const;
55  };
56 
57 
58 # ifndef MLN_INCLUDE_ONLY
59 
60  template <typename P, unsigned N>
61  inline
62  bool
63  is_n_face<P, N>::operator()(const P& p) const
64  {
65  return p.n() == N;
66  }
67 
68 # endif // MLN_INCLUDE_ONLY
69 
70  } // end of namespace mln::topo
71 
72 } // end of namespace mln
73 
74 #endif // ! MLN_TOPO_IS_N_FACE_HH