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Olena  User documentation 2.1
An Image Processing Platform
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magick/save.cc
1 // Copyright (C) 2009, 2010, 2013 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 //
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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 #include <mln/core/image/image2d.hh>
28 
29 #include <mln/data/compare.hh>
30 
31 #include <mln/io/magick/load.hh>
32 #include <mln/io/magick/save.hh>
33 
34 #include <mln/io/pbm/load.hh>
35 #include <mln/io/pbm/save.hh>
36 
37 #include <mln/io/pgm/load.hh>
38 #include <mln/io/pgm/save.hh>
39 
40 #include <mln/io/ppm/load.hh>
41 #include <mln/io/ppm/save.hh>
42 
43 #include "tests/data.hh"
44 
45 
46 using namespace mln;
47 
48 
49 template <typename T>
51 test(const image2d<T>& lena_mln, const std::string& temp_filename)
52 {
53  point2d p(0,0);
54 
55  T c = lena_mln(p);
56 
57  io::magick::save(lena_mln, temp_filename);
58  image2d<T> lena_im;
59  io::magick::load(lena_im, temp_filename);
60 
61  mln_assertion(lena_im(p) == c);
62  mln_assertion(lena_im.domain() == lena_mln.domain());
63  mln_assertion(lena_im == lena_mln);
64 
65  return lena_im;
66 }
67 
68 
69 int main()
70 {
71  using namespace mln;
72 
73  point2d p(0,0);
74 
75  // Grayscale values (PBM -> PBM -> PBM).
76  {
77  typedef image2d<bool> I;
78  I lena_mln;
79  io::pbm::load(lena_mln, MLN_IMG_DIR "/tiny.pbm");
80  I lena_im = ::test(lena_mln, "save-tiny-temp.pbm");
81  io::pbm::save(lena_im, "save-tiny.pbm");
82  }
83 
84  // Grayscale values (PGM -> PGM -> PGM).
85  {
86  typedef image2d<value::int_u8> I;
87  I lena_mln;
88  io::pgm::load(lena_mln, MLN_IMG_DIR "/tiny.pgm");
89  I lena_im = ::test(lena_mln, "save-tiny-temp.pgm");
90  io::pgm::save(lena_im, "save-tiny.pgm");
91  }
92 
93  // Color values (PPM -> PNG -> PPM).
94  {
95  typedef image2d<value::rgb8> I;
96  I lena_mln;
97  io::ppm::load(lena_mln, MLN_IMG_DIR "/tiny.ppm");
98  I lena_im = ::test(lena_mln, "save-tiny-temp.png");
99  io::ppm::save(lena_im, "save-tiny.ppm");
100  }
101 }