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Olena  User documentation 2.1
An Image Processing Platform
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snake_vert.cc
1 // Copyright (C) 2007, 2008, 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.
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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 
26 #include <mln/core/image/image2d.hh>
27 #include <mln/canvas/browsing/snake_vert.hh>
28 #include <mln/fun/p2v/iota.hh>
29 #include <mln/debug/println.hh>
30 
31 
32 unsigned res[2][7] = { { 1, 4, 5, 8, 9, 12, 13 },
33  { 2, 3, 6, 7, 10, 11, 14 } };
34 
35 
36 template <typename I, typename F>
37 struct assign_browsing_functor
38 {
39  typedef mln_site(I) S;
40  enum { dim = S::dim };
41 
42  I input;
43  F f;
44 
45  assign_browsing_functor(I& input, F f = F())
46  : input(input),
47  f(f)
48  {}
49 
50  mln_psite(I) p;
51 
52  void init() {}
53  void final() {}
54  void next()
55  {
56  input(p) = f(p);
57  mln_assertion(input(p) == res[p.row()][p.col()]);
58  }
59  void fwd() { next(); }
60  void up() { next(); }
61  void down() { next(); }
62 };
63 
64 namespace mln
65 {
66 
67  template <typename I, typename F, typename B>
68  void my_test(Image<I>& ima_,
69  const Function_v2v<F>& f_,
70  const Browsing<B>& browse_)
71  {
72  I& ima = exact(ima_);
73  const F& f = exact(f_);
74  const B& browse = exact(browse_);
75 
76  assign_browsing_functor<I, F> fun(ima, f);
77  browse(fun);
78  }
79 
80 }
81 
82 
83 int main()
84 {
85  using namespace mln;
86  image2d<unsigned> ima2(2, 7);
87 
89 }