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border/get.hh
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26 
27 #ifndef MLN_BORDER_GET_HH
28 # define MLN_BORDER_GET_HH
29 
33 
34 # include <mln/trait/images.hh>
35 # include <mln/debug/trace.hh>
36 
37 namespace mln
38 {
39 
40  namespace border
41  {
42 
52  template <typename I>
53  unsigned get(const Image<I>& ima);
54 
55 
56 # ifndef MLN_INCLUDE_ONLY
57 
58  namespace impl
59  {
60 
61  template <typename I>
62  inline
63  unsigned get_(trait::image::ext_domain::some, trait::image::category::primary,
64  const I& ima)
65  {
66  return ima.border();
67  }
68 
69  template <typename I>
70  inline
71  unsigned get_(trait::image::ext_domain::some, trait::image::category::morpher,
72  const I& ima)
73  {
74  return border::get(*ima.delegatee_());
75  }
76 
77 
78  template <typename I>
79  inline
80  unsigned get_(trait::image::ext_domain::none, trait::image::category::any,
81  const I&)
82  {
83  return 0;
84  }
85 
86  } // end of namespace mln::border::impl
87 
88 
89  // Facade.
90 
91  template <typename I>
92  inline
93  unsigned get(const Image<I>& ima)
94  {
95  mln_trace("border::get");
96 
97  mln_precondition(exact(ima).is_valid());
98  unsigned res = border::impl::get_(mln_trait_image_ext_domain(I)(),
99  mln_trait_image_category(I)(),
100  exact(ima));
101 
102  return res;
103  }
104 
105 # endif // ! MLN_INCLUDE_ONLY
106 
107  } // end of namespace mln::border
108 
109 } // end of namespace mln
110 
111 
112 #endif // ! MLN_BORDER_GET_HH