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Olena  User documentation 2.1
An Image Processing Platform
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fwd.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.
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 
26 #include <mln/core/image/image2d.hh>
27 #include <mln/canvas/browsing/fwd.hh>
28 #include <mln/fun/p2v/iota.hh>
29 #include <mln/debug/println.hh>
30 
31 
32 template <typename I_, typename F>
33 struct assign_browsing_functor
34 {
35  typedef I_ I;
36  typedef mln_site(I) S;
37  enum { dim = S::dim };
38 
39  I input;
40  F f;
41 
42  assign_browsing_functor(I& input, F f = F())
43  : input(input),
44  f(f)
45  {}
46 
47  mln_psite(I) p;
48 
49  void init() {}
50  void final() {}
51  void next()
52  {
53  input(p) = f(p);
54  mln_assertion(input(p) - 1 == p[0] * input.domain().ncols() + p[1]);
55  }
56 };
57 
58 namespace mln
59 {
60 
61  template <typename I, typename F, typename B>
62  void my_test(Image<I>& ima_,
63  const Function_v2v<F>& f_,
64  const Browsing<B>& browse_)
65  {
66  I& ima = exact(ima_);
67  const F& f = exact(f_);
68  const B& browse = exact(browse_);
69 
70  assign_browsing_functor<I, F> fun(ima, f);
71  browse(fun);
72  }
73 
74 }
75 
76 
77 int main()
78 {
79  using namespace mln;
80  image2d<unsigned> ima2(3, 3);
81 
83 }