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hyper_directional.cc
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19 // instantiate templates or use macros or inline functions from this
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24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/core/image/image2d.hh>
27 #include <mln/core/image/image3d.hh>
28 #include <mln/canvas/browsing/hyper_directional.hh>
29 #include <mln/fun/p2v/iota.hh>
30 #include <mln/debug/println.hh>
31 #include <mln/data/fill.hh>
32 
33 
34 template <typename I_, typename F>
35 struct assign_browsing_functor
36 {
37  typedef I_ I;
38  typedef mln_site(I) S;
39  enum { dim = S::dim };
40 
41 
42  I input;
43  F f;
44  int dir;
45 
46  assign_browsing_functor(I& input, F f = F(), int dir_ = 0)
47  : input(input),
48  f(f),
49  dir(dir_)
50  {}
51 
52  mln_psite(I) p;
53 
54  void init() {}
55  void final() {}
56  void next()
57  {
58  input(p) = f(p);
59  //FIXME: Try to make more relevant test.
60  mln_assertion(p[dir] == 0);
61  }
62  void fwd() { next(); }
63  void bkd() { next(); }
64  void down() { next(); }
65 };
66 
67 namespace mln
68 {
69 
70  template <typename I, typename F, typename B>
71  void my_test(Image<I>& ima_,
72  const Function_v2v<F>& f_,
73  const Browsing<B>& browse_,
74  int dir = 0)
75  {
76  I& ima = exact(ima_);
77  const F& f = exact(f_);
78  const B& browse = exact(browse_);
79 
80  assign_browsing_functor<I, F> fun(ima, f, dir);
81  browse(fun);
82  }
83 
84 }
85 
86 
87 int main()
88 {
89  using namespace mln;
90  image2d<unsigned> ima2(3, 3);
91  image3d<unsigned> ima3(3, 3, 3);
92 
93  data::fill(ima2, 0);
95  debug::println(ima2);
96 
97  data::fill(ima2, 0);
99  debug::println(ima2);
100 
101 
102  data::fill(ima3, 0);
104  debug::println(ima3);
105 
106  data::fill(ima3, 0);
108  debug::println(ima3);
109 
110  data::fill(ima3, 0);
112  debug::println(ima3);
113 }