$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
duality.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,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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 
29 
30 #include <mln/core/image/image2d.hh>
31 #include <mln/io/pbm/load.hh>
32 #include <mln/labeling/colorize.hh>
33 #include <mln/labeling/flat_zones.hh>
34 #include <mln/value/rgb8.hh>
35 #include <mln/io/ppm/save.hh>
36 
37 #include <mln/core/alias/neighb2d.hh>
38 #include <mln/make/dual_neighb.hh>
39 
40 
41 
42 template <typename N>
43 void labelize(const mln::image2d<bool>& pic,
44  const N& nbh,
45  const std::string& filename)
46 {
47  using namespace mln;
48  using value::rgb8;
49  unsigned n;
50  image2d<unsigned> lab = labeling::flat_zones(pic, nbh, n);
51  image2d<rgb8> out = labeling::colorize(rgb8(), lab, n);
52  io::ppm::save(out, filename);
53 }
54 
55 
56 
57 int main()
58 {
59  using namespace mln;
60 
61  image2d<bool> pic = io::pbm::load("drawing.pbm");
62 
63  labelize(pic, make::dual_neighb(pic, c4(), c8()), "c4_c8.ppm");
64  labelize(pic, make::dual_neighb(pic, c8(), c4()), "c8_c4.ppm");
65  labelize(pic, c6_2d(), "c6_c6.ppm");
66 }