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Olena  User documentation 2.1
An Image Processing Platform
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median.cc
1 // Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development
2 // Laboratory (LRDE)
3 //
4 // This file is part of Olena.
5 //
6 // Olena is free software: you can redistribute it and/or modify it under
7 // the terms of the GNU General Public License as published by the Free
8 // Software Foundation, version 2 of the License.
9 //
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13 // General Public License for more details.
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15 // You should have received a copy of the GNU General Public License
16 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
17 //
18 // As a special exception, you may use this file as part of a free
19 // software project without restriction. Specifically, if other files
20 // instantiate templates or use macros or inline functions from this
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22 // an executable, this file does not by itself cause the resulting
23 // executable to be covered by the GNU General Public License. This
24 // exception does not however invalidate any other reasons why the
25 // executable file might be covered by the GNU General Public License.
26 
27 #include <mln/core/image/image2d.hh>
28 #include <mln/data/compare.hh>
29 #include <mln/win/rectangle2d.hh>
30 
31 #include <mln/io/pgm/load.hh>
32 #include <mln/io/pgm/save.hh>
33 
34 #include <mln/value/int_u8.hh>
35 #include <mln/data/median.hh>
36 
37 #include "tests/data.hh"
38 
39 
40 int main()
41 {
42  using namespace mln;
43  using value::int_u8;
44 
45  image2d<int_u8> lena;
46  io::pgm::load(lena, MLN_IMG_DIR "/tiny.pgm");
47  {
48  win::rectangle2d rect(51, 51);
49  image2d<int_u8> out = data::median(lena, rect);
50  io::pgm::save(out, "median-out_rect.pgm");
51  }
52  {
53  win::rectangle2d rect(1, 51);
54  win::hline2d line(51);
56  ref = data::median(lena, rect),
57  out = data::median(lena, line);
58  mln_assertion(out == ref);
59  io::pgm::save(out, "median-out_line.pgm");
60  }
61 }