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Olena  User documentation 2.1
An Image Processing Platform
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dilation.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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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
14 //
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
21 // file, or you compile this file and link it with other files to produce
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/win/rectangle2d.hh>
29 #include <mln/win/octagon2d.hh>
30 #include <mln/win/diag2d.hh>
31 #include <mln/win/backdiag2d.hh>
32 #include <mln/core/alias/window2d.hh>
33 
34 #include <mln/io/pgm/load.hh>
35 #include <mln/io/pgm/save.hh>
36 
37 #include <mln/value/int_u8.hh>
38 #include <mln/data/fill.hh>
39 #include <mln/morpho/dilation.hh>
40 
41 #include <mln/pw/value.hh>
42 #include <mln/pw/cst.hh>
43 #include <mln/fun/ops.hh>
44 
45 #include <mln/core/alias/neighb2d.hh>
46 
47  /* FIXME: Re-enable these tests for Olena 1.1, when associated
48  neighborhoods (i.e., the neighb::image morpher) are supported and
49  shipped. */
50 #if 0
51 # include <mln/neighb/image.hh>
52 #endif
53 
54 #include "tests/data.hh"
55 
56 
57 int main()
58 {
59  using namespace mln;
60  using value::int_u8;
61 
62  // FIXME: Do we really need such a high value?
63  border::thickness = 66;
64 
65  image2d<int_u8> lena;
66  io::pgm::load(lena, MLN_IMG_DIR "/lena.pgm");
67  win::rectangle2d rec(5, 3);
68 
69  {
70  image2d<int_u8> out = morpho::dilation(lena, rec);
71  io::pgm::save(out, "dilation-out1.pgm");
72  }
73 
74  {
75  win::octagon2d oct(7);
76  image2d<int_u8> out = morpho::dilation(lena, oct);
77  io::pgm::save(out, "dilation-out2.pgm");
78  }
79 
80  {
81  image2d<bool> bin(lena.domain());
82  data::fill(bin, pw::value(lena) > pw::cst(127u));
83  image2d<bool> out = morpho::dilation(bin, rec);
84 
85  image2d<int_u8> test(lena.domain());
86  image2d<int_u8>::fwd_piter p(lena.domain());
87  for_all(p)
88  test(p) = out(p) ? 255 : 0;
89  io::pgm::save(test, "dilation-out3.pgm");
90  }
91 
92  /* FIXME: Re-enable these tests for Olena 1.1, when associated
93  neighborhoods (i.e., the neighb::image morpher) are supported and
94  shipped. */
95 #if 0
96  {
97  image2d<int_u8> out = morpho::dilation(lena + c4());
98  io::pgm::save(out, "dilation-out4.pgm");
99  }
100 
101  {
102  image2d<int_u8> out = morpho::dilation(lena + c8());
103  io::pgm::save(out, "dilation-out5.pgm");
104  }
105 #endif
106 }