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separators_in_borders.hh
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26 
27 #ifndef SCRIBO_FILTER_SEPARATORS_IN_BORDERS_HH
28 # define SCRIBO_FILTER_SEPARATORS_IN_BORDERS_HH
29 
34 
35 
36 # include <mln/core/concept/image.hh>
37 # include <scribo/core/component_set.hh>
38 # include <scribo/core/document.hh>
39 # include <scribo/util/box_is_included.hh>
40 
41 namespace scribo
42 {
43 
44  namespace filter
45  {
46 
47  using namespace mln;
48 
49 
80  template <typename L>
81  void
82  separators_in_borders(document<L>& doc, float vratio, float hratio);
83 
84 
85 # ifndef MLN_INCLUDE_ONLY
86 
87  template <typename L>
88  void
89  separators_in_borders(document<L>& doc, float vratio, float hratio)
90  {
91  mln_trace("scribo::filter::separators_in_borders");
92 
93  mln_precondition(doc.is_valid());
94 
95  const mln::image2d<mln::value::rgb8>& ima = doc.image();
96 
97  // Horizontal separators
98  if (doc.has_hline_seps())
99  {
100  unsigned border_size = hratio * std::min(ima.domain().width(), ima.domain().height());
101 
113  point2d
114  ptl = ima.domain().pmin(),
115  pt(geom::min_row(ima), geom::max_col(ima) - border_size),
116  ptr(border_size, geom::max_col(ima)),
117  pbr = ima.domain().pmax(),
118  pb(geom::max_row(ima), border_size),
119  pbl(geom::max_row(ima) - border_size, geom::min_col(ima));
120 
121  box2d
122  bt(ptl, ptr),
123  br(pt, pbr),
124  bb(pbl, pbr),
125  bl(ptl, pb);
126 
127 
128  component_set<L> hline = doc.hline_seps_comps().duplicate();
129  for_all_comps(c, hline)
130  if (hline(c).is_valid())
131  if (util::box_is_included(hline(c).bbox(), bt)
132  || util::box_is_included(hline(c).bbox(), br)
133  || util::box_is_included(hline(c).bbox(), bb)
134  || util::box_is_included(hline(c).bbox(), bl))
135  {
136  hline(c).update_tag(component::Ignored);
137  }
138 
139  // FIXME: warning this call may produce inconsistent data
140  // Ignored components are still in the separator image...
141  doc.set_hline_separators(doc.hline_seps(), hline);
142  }
143 
144 
145  // Vertical separators
146  if (doc.has_vline_seps())
147  {
148  unsigned border_size = vratio * std::min(ima.domain().width(), ima.domain().height());
149 
161  point2d
162  ptl = ima.domain().pmin(),
163  pt(geom::min_row(ima), geom::max_col(ima) - border_size),
164  ptr(border_size, geom::max_col(ima)),
165  pbr = ima.domain().pmax(),
166  pb(geom::max_row(ima), border_size),
167  pbl(geom::max_row(ima) - border_size, geom::min_col(ima));
168 
169  box2d
170  bt(ptl, ptr),
171  br(pt, pbr),
172  bb(pbl, pbr),
173  bl(ptl, pb);
174 
175 
176  component_set<L> vline = doc.vline_seps_comps().duplicate();
177  for_all_comps(c, vline)
178  if (vline(c).is_valid())
179  {
180  if (util::box_is_included(vline(c).bbox(), bt)
181  || util::box_is_included(vline(c).bbox(), br)
182  || util::box_is_included(vline(c).bbox(), bb)
183  || util::box_is_included(vline(c).bbox(), bl))
184  {
185  vline(c).update_tag(component::Ignored);
186  }
187  }
188  // FIXME: warning this call may produce inconsistent data
189  // Ignored components are still in the separator image...
190  doc.set_vline_separators(doc.vline_seps(), vline);
191  }
192 
193  }
194 
195 # endif // ! MLN_INCLUDE_ONLY
196 
197  } // end of namespace scribo::filter
198 
199 } // end of namespace scribo
200 
201 #endif // ! SCRIBO_FILTER_SEPARATORS_IN_BORDERS_HH