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An Image Processing Platform
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find.hh
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26 
27 #ifndef MLN_BORDER_FIND_HH
28 # define MLN_BORDER_FIND_HH
29 
35 # include <mln/core/internal/image_morpher.hh>
36 
37 
38 namespace mln
39 {
40 
41  namespace border
42  {
43 
53  template <typename I>
54  unsigned find(const Image<I>& ima);
55 
56 
57 # ifndef MLN_INCLUDE_ONLY
58 
59  namespace impl
60  {
61 
62  template <typename I, typename T, typename S, typename E>
63  inline
64  unsigned find__(const mln::internal::image_morpher<I, T, S, E>& ima)
65  {
66  return border::find(*ima.delegatee_());
67  }
68 
69  template <typename T, typename S, typename E>
70  inline
71  unsigned find__(const mln::internal::image_base<T, S, E>&)
72  {
73  return 0;
74  }
75 
76  template <typename I>
77  inline
78  unsigned find_(trait::image::speed::any, const I& ima)
79  {
80  return border::impl::find__(ima);
81  }
82 
83  template <typename I>
84  inline
85  unsigned find_(trait::image::speed::fastest, const I& ima)
86  {
87  return ima.border();
88  }
89 
90  } // end of namespace mln::border::impl
91 
92 
93  // Facade.
94 
95  template <typename I>
96  inline
97  unsigned find(const Image<I>& ima)
98  {
99  mln_trace("border::find");
100 
101  mln_precondition(exact(ima).is_valid());
102  unsigned res = border::impl::find_(mln_trait_image_speed(I)(), exact(ima));
103 
104  return res;
105  }
106 
107 # endif // ! MLN_INCLUDE_ONLY
108 
109  } // end of namespace mln::border
110 
111 } // end of namespace mln
112 
113 
114 #endif // ! MLN_BORDER_FIND_HH