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Olena  User documentation 2.1
An Image Processing Platform
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local/convolve.cc
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
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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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13 //
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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
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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/image/image2d.hh>
27 #include <mln/value/int_u8.hh>
28 
29 #include <mln/core/alias/w_window2d_int.hh>
30 #include <mln/win/rectangle2d.hh>
31 #include <mln/core/pixel.hh>
32 
33 #include <mln/debug/iota.hh>
34 #include <mln/pw/cst.hh>
35 #include <mln/border/thickness.hh>
36 #include <mln/linear/local/convolve.hh>
37 
38 
39 int main()
40 {
41  using namespace mln;
42  using value::int_u8;
43 
44  const unsigned size = 3;
45  border::thickness = size - 1;
46 
47  image2d<int_u8> ima(size, size);
48  debug::iota(ima);
49 
50  point2d p = point2d(1,1);
52  pw::cst(1));
53 
54  int res;
55  {
56  linear::local::convolve(ima, p, w_win, res);
57  mln_assertion(res == size*size * (size*size + 1) / 2);
58  }
59 
60  {
61  typedef image2d<int_u8> I;
62  linear::local::convolve(pixel<const I>(ima, p), w_win, res);
63  linear::local::convolve(pixel<I>(ima, p), w_win, res);
64  }
65  {
66  linear::local::convolve(make::pixel(ima, p), w_win, res);
67  mln_assertion(res == size*size * (size*size + 1) / 2);
68  }
69 
70  res = 0;
71 }