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An Image Processing Platform
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by_erosion/union_find_on_functions.cc
1 // Copyright (C) 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
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/core/image/image2d.hh>
27 #include <mln/core/alias/neighb2d.hh>
28 #include <mln/pw/all.hh>
29 
30 #include <mln/io/pgm/load.hh>
31 #include <mln/value/int_u8.hh>
32 #include <mln/data/compare.hh>
33 
34 #include <mln/morpho/reconstruction/by_erosion/union_find.hh>
35 
36 #include "tests/data.hh"
37 
38 
39 
40 int main()
41 {
42  using namespace mln;
43  using namespace morpho::reconstruction::by_erosion;
44 
45  image2d<value::int_u8> lena, lena_2, out;
46  io::pgm::load(lena, MLN_IMG_DIR "/tiny.pgm");
47 
48  {
49  out = union_find(lena, lena, c4());
50  mln_assertion(out == lena);
51  }
52 
53  // FIXME: Is this part really meaningful as-is?
54  {
55  initialize(lena_2, lena);
56  data::fill(lena_2, lena);
57  out = union_find(lena_2, lena, c4());
58  }
59 }