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separators.hh
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26 
27 #ifndef SCRIBO_PRIMITIVE_EXTRACT_SEPARATORS_HH
28 # define SCRIBO_PRIMITIVE_EXTRACT_SEPARATORS_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/arith/plus.hh>
36 
37 # include <scribo/primitive/extract/lines_h_pattern.hh>
38 # include <scribo/primitive/extract/lines_v_pattern.hh>
39 
40 
41 namespace scribo
42 {
43 
44  namespace primitive
45  {
46 
47  namespace extract
48  {
49 
50  using namespace mln;
51 
64  template <typename I>
65  mln_concrete(I)
66  separators(const Image<I>& input, unsigned line_length);
67 
68 
69 
70 # ifndef MLN_INCLUDE_ONLY
71 
72 
73  template <typename I>
74  mln_concrete(I)
75  separators(const Image<I>& input_, unsigned line_length)
76  {
77  mln_trace("scribo::primitive::extract::separators");
78 
79  const I& input = exact(input_);
80  mlc_is(mln_value(I), bool)::check();
81  mln_precondition(input.is_valid());
82 
83  mln_concrete(I)
84  hlines = extract::lines_h_pattern(input, line_length, 3),
85  vlines = extract::lines_v_pattern(input, line_length, 3);
86  hlines += vlines;
87 
88  // FIXME: UGLY! We should not do that!
89  // Restore border size.
90  // Previous treatments may have changed it.
91  border::resize(hlines, border::thickness);
92  border::resize(input, border::thickness);
93 
94  return hlines;
95  }
96 
97 
98 # endif // ! MLN_INCLUDE_ONLY
99 
100  } // end of namespace scribo::primitive::extract
101 
102  } // end of namespace scribo::primitive
103 
104 } // end of namespace scribo
105 
106 #endif // ! SCRIBO_PRIMITIVE_EXTRACT_SEPARATORS_HH