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Olena  User documentation 2.1
An Image Processing Platform
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to_p_set.cc
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
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7 // Software Foundation, version 2 of the License.
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12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
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17 // As a special exception, you may use this file as part of a free
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19 // instantiate templates or use macros or inline functions from this
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24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/core/alias/point2d.hh>
27 #include <mln/core/image/image2d.hh>
28 #include <mln/core/image/dmorph/sub_image.hh>
29 #include <mln/core/alias/window2d.hh>
30 #include <mln/core/alias/box2d.hh>
31 #include <mln/core/alias/neighb2d.hh>
32 
33 
34 #include <mln/data/fill.hh>
35 
36 #include <mln/convert/to_p_set.hh>
37 #include <mln/util/ord.hh>
38 
39 using namespace mln;
40 
41  void test(p_set<point2d> ref, p_set<point2d> cmp)
42  {
43  mln_assertion(ref.nsites() == cmp.nsites());
44  for (unsigned i = 0; i < ref.nsites(); ++i)
45  mln_assertion(ref[i] == cmp[i]);
46  }
47 
48 int main()
49 {
50  point2d
51  a(1, 0),
52  b(0, 1),
53  c(-1,0),
54  d(0,-1);
55 
56  p_set<point2d> ref;
57  ref.insert(a);
58  ref.insert(b);
59  ref.insert(c);
60  ref.insert(d);
61  // Reference constructed.
62 
63  // Nbh :
64  neighb2d nbh = c4();
65  p_set<point2d> test_nbh = convert::to_p_set(nbh);
66  test(ref, test_nbh);
67 
68  // Image :
69  image2d<bool> ima(make::box2d(-6, -6, 6, 6));
70  data::fill(ima, false);
71  data::fill((ima | ref).rw(), true);
72  p_set<point2d> test_ima = convert::to_p_set(ima);
73  test(ref, test_ima);
74 
75  // Window :
76  window2d win;
77  win
81  .insert(d - point2d::origin);
82  p_set<point2d> test_win = convert::to_p_set(win);
83  test(ref, test_win);
84 
85  // std::set :
86  std::set<point2d, util::ord<point2d> > set;
87 
88  set.insert(a);
89  set.insert(b);
90  set.insert(c);
91  set.insert(d);
92 
93  p_set<point2d> test_set = convert::to_p_set(set);
94  test(ref, test_set);
95 }