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Olena  User documentation 2.1
An Image Processing Platform
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fun_image_rgb.cc
1 // Copyright (C) 2013 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 
28 
29 #include <mln/core/image/image2d.hh>
30 #include <mln/core/image/vmorph/fun_image.hh>
31 
32 #include <mln/value/rgb8.hh>
33 #include <mln/fun/v2v/component.hh>
34 
35 #include <mln/io/ppm/load.hh>
36 
37 #include "tests/data.hh"
38 
39 
40 int main()
41 {
42  using namespace mln;
43 
44  typedef value::rgb8 V;
45  typedef image2d<V> I;
46  I lena;
47  io::ppm::load(lena, MLN_IMG_DIR "/tiny.ppm");
48 
49  // Red (#0) component.
50  typedef fun::v2v::component<V, 0> FR;
51  FR red;
52  fun_image<FR, I> lena_red = red << lena;
53 
54  // Green (#1) component.
55  typedef fun::v2v::component<V, 1> FG;
56  FG green;
57  fun_image<FG, I> lena_green = green << lena;
58 
59  // Blue (#2) component.
60  typedef fun::v2v::component<V, 2> FB;
61  FB blue;
62  fun_image<FB, I> lena_blue = blue << lena;
63 
64  mln_piter_(I) p(lena.domain());
65  for_all(p)
66  {
67  V v(lena_red(p), lena_green(p), lena_blue(p));
68  mln_assertion(lena(p) == v);
69  }
70 }