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snake_generic_3d_vert.cc
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3 // This file is part of Olena.
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17 // As a special exception, you may use this file as part of a free
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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/image3d.hh>
27 #include <mln/canvas/browsing/snake_generic.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 mln_site(I) S;
36  enum { dim = S::dim };
37 
38  typedef assign_browsing_functor<I, F> self;
39  typedef mln_deduce(I, psite, delta) dpsite;
40  typedef void (assign_browsing_functor<I,F>::*move_fun)();
41 
42  I input;
43  F f;
44  std::vector<move_fun> moves;
45  std::vector<dpsite> dps;
46 
47  assign_browsing_functor(I& input, F f = F())
48  : input(input),
49  f(f),
50  moves(5),
51  dps(5)
52  {
53  dps[0] = dpsite(0, 0, 1);
54  dps[1] = dpsite(0, 1, 0);
55  dps[2] = dpsite(0, -1, 0);
56  dps[3] = dpsite(1, 0, 0);
57  dps[4] = dpsite(-1, 0, 0);
58 
59  moves[0] = &self::thr;
60  moves[1] = &self::down;
61  moves[2] = &self::up;
62  moves[3] = &self::fwd;
63  moves[4] = &self::bkd;
64  }
65 
66  mln_psite(I) p;
67 
68  void init() {}
69  void final() {}
70  void next()
71  {
72  input(p) = f(p);
73  }
74  void fwd() { std::cout << "fwd" << std::endl; next(); }
75  void bkd() { std::cout << "bkd" << std::endl; next(); }
76  void down() { std::cout << "down" << std::endl; next(); }
77  void up() { std::cout << "up" << std::endl; next(); }
78  void thr() { std::cout << "thr" << std::endl; next(); }
79 };
80 
81 namespace mln
82 {
83 
84  template <typename I, typename F, typename B>
85  void my_test(Image<I>& ima_,
86  const Function_v2v<F>& f_,
87  const Browsing<B>& browse_)
88  {
89  I& ima = exact(ima_);
90  const F& f = exact(f_);
91  const B& browse = exact(browse_);
92 
93  assign_browsing_functor<I, F> fun(ima, f);
94  browse(fun);
95  }
96 
97 }
98 
99 
100 int main()
101 {
102  using namespace mln;
103  image3d<unsigned> ima(3, 3, 3);
104 
105  ima(point3d(0,0,0)) = 42;
106  std::cout << ima.bbox() << std::endl;
108  debug::println(ima);
109 }