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lines_h_discontinued.hh
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26 
27 #ifndef SCRIBO_PRIMITIVE_EXTRACT_LINES_H_DISCONTINUED_HH
28 # define SCRIBO_PRIMITIVE_EXTRACT_LINES_H_DISCONTINUED_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/core/concept/neighborhood.hh>
36 # include <mln/win/hline2d.hh>
37 
38 # include <scribo/primitive/extract/lines_discontinued.hh>
39 
40 
41 
42 namespace scribo
43 {
44 
45  namespace primitive
46  {
47 
48  namespace extract
49  {
50 
51  using namespace mln;
52 
54 
67  template <typename I, typename N, typename V>
68  component_set<mln_ch_value(I,V)>
69  lines_h_discontinued(const Image<I>& input,
70  const Neighborhood<N>& nbh, V& nlines,
71  unsigned line_length, unsigned rank_k);
72 
73 
74 # ifndef MLN_INCLUDE_ONLY
75 
76 
77  namespace internal
78  {
79 
80  template <typename I, typename N, typename V>
81  void
82  lines_h_discontinued_tests(const Image<I>& input,
83  const Neighborhood<N>& nbh, V& nlines,
84  unsigned line_length, unsigned rank_k)
85  {
86  mlc_equal(mln_value(I),bool)::check();
87  mlc_bool(mln_site_(I)::dim == 2)::check();
88  mlc_is_a(V, mln::value::Symbolic)::check();
89 
90  mln_precondition(exact(input).is_valid());
91  mln_precondition(exact(nbh).is_valid());
92  mln_precondition(line_length % 2);
93 
94  (void) input;
95  (void) nbh;
96  (void) nlines;
97  (void) line_length;
98  (void) rank_k;
99  }
100 
101  } // end of namespace scribo::primitive::internal
102 
103 
104 
105  template <typename I, typename N, typename V>
106  component_set<mln_ch_value(I,V)>
107  lines_h_discontinued(const Image<I>& input,
108  const Neighborhood<N>& nbh, V& nlines,
109  unsigned line_length, unsigned rank_k)
110  {
111  mln_trace("scribo::primitive::lines_h_discontinued");
112 
113  internal::lines_h_discontinued_tests(input, nbh, nlines,
114  line_length, rank_k);
115 
116  win::hline2d win(line_length);
117 
118  component_set<mln_ch_value(I,V)>
119  output = lines_discontinued(input, nbh, nlines, win, rank_k);
120 
121  return output;
122  }
123 
124 
125 
126 # endif // ! MLN_INCLUDE_ONLY
127 
128  } // end of namespace scribo::primitive::extract
129 
130  } // end of namespace scribo::primitive
131 
132 } // end of namespace scribo
133 
134 #endif // ! SCRIBO_PRIMITIVE_EXTRACT_LINES_H_DISCONTINUED_HH