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Olena  User documentation 2.1
An Image Processing Platform
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convert.cc
1 // Copyright (C) 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
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/data/convert.hh>
28 #include <mln/data/compare.hh>
29 
30 #include <mln/value/rgb8.hh>
31 #include <mln/literal/grays.hh>
32 #include <mln/opt/at.hh>
33 
34 
35 int main()
36 {
37  using namespace mln;
38  using value::rgb8;
39 
40  // bool -> rgb8
41  {
42  image2d<bool> ima(1, 2);
43  opt::at(ima, 0, 0) = false;
44  opt::at(ima, 0, 1) = true;
45  image2d<rgb8> out = data::convert(rgb8(), ima);
46  mln_assertion(opt::at(out, 0, 0) == literal::black);
47  mln_assertion(opt::at(out, 0, 1) == literal::white);
48  }
49  // bool -> bool
50  {
51  image2d<bool> ima(1, 2);
52  data::fill(ima, true);
53  opt::at(ima, 0, 0) = false;
54  image2d<bool> out = data::convert(bool(), ima);
55  mln_assertion(out == ima);
56  mln_assertion(out.buffer() != ima.buffer());
57  }
58 
59 }