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links_image.hh
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26 
27 #ifndef SCRIBO_DEBUG_LINKS_IMAGE_HH
28 # define SCRIBO_DEBUG_LINKS_IMAGE_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/accu/center.hh>
36 # include <mln/data/convert.hh>
37 # include <mln/value/rgb8.hh>
38 # include <mln/literal/colors.hh>
39 # include <mln/draw/line.hh>
40 
41 # include <scribo/core/object_links.hh>
42 # include <scribo/draw/bounding_boxes.hh>
43 # include <scribo/primitive/link/internal/compute_anchor.hh>
44 
45 
46 namespace scribo
47 {
48 
49  namespace debug
50  {
51 
52  using namespace mln;
53 
58  template <typename I, typename L>
59  mln_ch_value(I,value::rgb8)
60  links_image(const Image<I>& input_,
61  const object_links<L>& links,
62  anchor::Type anchor,
63  bool draw_bboxes = true);
64 
65 
66 # ifndef MLN_INCLUDE_ONLY
67 
68 
69  template <typename I, typename L>
70  mln_ch_value(I,value::rgb8)
71  links_image(const Image<I>& input_,
72  const object_links<L>& links,
73  anchor::Type anchor,
74  bool draw_bboxes)
75  {
76  mln_trace("scribo::debug::links_image");
77  const I& input = exact(input_);
78 
79  mln_precondition(input.is_valid());
80  mln_precondition(links.is_valid());
81 
82  const component_set<L>& comps = links.components();
83 
84  mln_ch_value(I,value::rgb8)
85  links_image = data::convert(value::rgb8(), input);
86 
87  if (draw_bboxes)
88  scribo::draw::bounding_boxes(links_image, comps, literal::blue);
89 
90  for_all_links(l, links)
91  if (links.is_linked(l))
92  mln::draw::line(links_image,
93  primitive::link::internal::compute_anchor(comps,
94  l,
95  anchor),
96  primitive::link::internal::compute_anchor(comps,
97  links(l),
98  anchor),
99  literal::green);
100 
101  return links_image;
102  }
103 
104 
105 # endif // ! MLN_INCLUDE_ONLY
106 
107  } // end of namespace scribo::debug
108 
109 } // end of namespace scribo
110 
111 
112 #endif // ! SCRIBO_DEBUG_LINKS_IMAGE_HH