$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
fun/p2b/has.hh
1 // Copyright (C) 2008, 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_FUN_P2B_HAS_HH
27 # define MLN_FUN_P2B_HAS_HH
28 
32 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/core/concept/function.hh>
36 # include <mln/metal/const.hh>
37 # include <mln/metal/unconst.hh>
38 
39 
40 namespace mln
41 {
42 
43  namespace fun
44  {
45 
46  namespace p2b
47  {
48 
49  // FIXME: Doc!
50 
51  template <typename I>
52  struct has
53 
54  : public Function_v2b< has<I> >,
55  private mlc_is_a(I, Image)::check_t
56  {
58  typedef bool result;
59 
61  bool operator()(const mln_psite(I)& p) const;
62 
63 
65  has();
66 
68  has(mlc_const(I)& ima);
69 
70 
72  has(const has<I>& rhs);
73 
75  has<I>& operator=(const has<I>& rhs);
76 
77  private:
78  mlc_const(I) ima_;
79  typedef Function_v2b< has<I> > super_;
80  };
81 
82 
83 # ifndef MLN_INCLUDE_ONLY
84 
85  template <typename I>
86  inline
87  bool
88  has<I>::operator()(const mln_psite(I)& p) const
89  {
90  return ima_.has(p);
91  }
92 
93  template <typename I>
94  inline
95  has<I>::has()
96  : ima_()
97  {
98  }
99 
100  template <typename I>
101  inline
102  has<I>::has(mlc_const(I)& ima)
103  : ima_(ima)
104  {
105  }
106 
107  template <typename I>
108  inline
109  has<I>::has(const has<I>& rhs)
110  : Function_v2v< has<I> >(), // Please g++.
111  super_(),
112  ima_(rhs.ima_)
113  {
114  }
115 
116  template <typename I>
117  inline
118  has<I>&
119  has<I>::operator=(const has<I>& rhs)
120  {
121  if (&rhs == this)
122  return *this;
123  const_cast<mlc_unconst(I)&>(this->ima_) = rhs.ima_;
124  return *this;
125  }
126 
127 # endif // ! MLN_INCLUDE_ONLY
128 
129  } // end of namespace mln::fun::p2b
130 
131  } // end of namespace mln::fun
132 
133 } // end of namespace mln
134 
135 
136 #endif // ! MLN_FUN_P2B_HAS_HH