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lines_v_discontinued.hh
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26 
27 #ifndef SCRIBO_PRIMITIVE_EXTRACT_LINES_V_DISCONTINUED_HH
28 # define SCRIBO_PRIMITIVE_EXTRACT_LINES_V_DISCONTINUED_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/core/concept/neighborhood.hh>
36 
37 # include <scribo/primitive/extract/lines_discontinued.hh>
38 
39 
40 
41 namespace scribo
42 {
43 
44  namespace primitive
45  {
46 
47  namespace extract
48  {
49 
50 
65  template <typename I, typename N, typename V>
66  component_set<mln_ch_value(I,V)>
67  lines_v_discontinued(const Image<I>& input,
68  const Neighborhood<N>& nbh, V& nlines,
69  unsigned line_length, unsigned rank_k);
70 
71 
72 # ifndef MLN_INCLUDE_ONLY
73 
74 
75  namespace internal
76  {
77 
78  template <typename I, typename N, typename V>
79  void
80  lines_v_discontinued_tests(const Image<I>& input,
81  const Neighborhood<N>& nbh, V& nlines,
82  unsigned line_length, unsigned rank_k)
83  {
84  mlc_equal(mln_value(I),bool)::check();
85  mlc_bool(mln_site_(I)::dim == 2)::check();
86  mlc_is_a(V, mln::value::Symbolic)::check();
87 
88  mln_precondition(exact(input).is_valid());
89  mln_precondition(exact(nbh).is_valid());
90  mln_precondition(line_length % 2);
91 
92  (void) input;
93  (void) nbh;
94  (void) line_length;
95  (void) nlines;
96  (void) rank_k;
97  }
98 
99  } // end of namespace scribo::primitive::internal
100 
101 
102 
103  template <typename I, typename N, typename V>
104  component_set<mln_ch_value(I,V)>
105  lines_v_discontinued(const Image<I>& input,
106  const Neighborhood<N>& nbh, V& nlines,
107  unsigned line_length, unsigned rank_k)
108  {
109  mln_trace("scribo::primitive::lines_v_discontinued");
110 
111  internal::lines_v_discontinued_tests(input, nbh, nlines,
112  line_length, rank_k);
113 
114  win::vline2d win(line_length);
115 
116  component_set<mln_ch_value(I,V)>
117  output = lines_discontinued(input, nbh, nlines, win, rank_k);
118 
119  return output;
120  }
121 
122 
123 # endif // ! MLN_INCLUDE_ONLY
124 
125  } // end of namespace scribo::primitive::extract
126 
127  } // end of namespace scribo::primitive
128 
129 } // end of namespace scribo
130 
131 
132 #endif // ! SCRIBO_PRIMITIVE_EXTRACT_LINES_V_DISCONTINUED_HH