$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
mirror.cc
1 // Copyright (C) 2007, 2008, 2009, 2011, 2014 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 //
10 // Olena is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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 // Exercise mln::border::mirror.
28 
29 #include <mln/core/image/image1d.hh>
30 #include <mln/core/image/image2d.hh>
31 #include <mln/core/image/dmorph/extended.hh>
32 #include <mln/debug/iota.hh>
33 #include <mln/border/mirror.hh>
34 #include <mln/opt/element.hh>
35 #include <mln/data/paste_without_localization.hh>
36 #include <mln/data/compare.hh>
37 
38 int
39 main()
40 {
41  using namespace mln;
42 
43  // image1d.
44  {
45  // A 2-pixel 1D image with a 3-pixel border.
46  image1d<unsigned> input(2, 3);
47  debug::iota(input);
48  border::mirror(input);
49 
50  // Data are framed; other values form the border.
51  unsigned ref_data[8] =
52  // ,-------------.
53  { 2, 2, 1, /* | */ 1, 2, /* | */ 2, 1, 1 };
54  // `-------------'
55  image1d<unsigned> ref = make::image(ref_data);
56 
57  image1d<unsigned> output(8, 0);
58  data::paste_without_localization(extended_to(input, input.vbbox()),
59  output);
60  mln_assertion(output == ref);
61  }
62 
63  // image2d.
64  {
65  // A 2x3-pixel 2D image with a 2-pixel border.
66  image2d<unsigned> input(2, 3, 2);
67  debug::iota(input, 0);
68  border::mirror(input);
69 
70  // Data are framed; other values form the border.
71  unsigned ref_data[6][7] = {
72  { 1, 1, 4, 5, 6, 3, 3 },
73  { 1, 1, 1, 2, 3, 3, 3 },
74  // ,----------------.
75  { 2, 1, /* | */ 1, 2, 3, /* | */ 3, 2 },
76  { 5, 4, /* | */ 4, 5, 6, /* | */ 6, 5 },
77  // `----------------'
78  { 4, 4, 4, 5, 6, 6, 6 },
79  { 4, 4, 1, 2, 3, 6, 6 }
80  };
81  image2d<unsigned> ref = make::image(ref_data);
82 
83  image2d<unsigned> output(6, 7, 0);
84  data::paste_without_localization(extended_to(input, input.vbbox()),
85  output);
86  mln_assertion(output == ref);
87  }
88 }