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transform/distance_front.hh
1 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_TRANSFORM_DISTANCE_FRONT_HH
27 # define MLN_TRANSFORM_DISTANCE_FRONT_HH
28 
32 
33 # include <mln/canvas/distance_front.hh>
34 # include <mln/transform/internal/distance_functor.hh>
35 
36 
37 
38 namespace mln
39 {
40 
41  namespace transform
42  {
43 
45  template <typename I, typename N, typename W, typename D>
46  mln_ch_value(I, D)
47  distance_front(const Image<I>& input,
48  const Neighborhood<N>& nbh, const Weighted_Window<W>& w_win, D max);
49 
50 
51 # ifndef MLN_INCLUDE_ONLY
52 
53  template <typename I, typename N, typename W, typename D>
54  inline
55  mln_ch_value(I, D)
56  distance_front(const Image<I>& input,
57  const Neighborhood<N>& nbh, const Weighted_Window<W>& w_win, D max)
58  {
59  trace::entering("transform::distance_front");
60 
61  mln_precondition(exact(input).is_valid());
62  mln_precondition(exact(nbh).is_valid());
63  mln_precondition(exact(w_win).is_valid());
64 
65  mln_ch_value(I, D) output;
66  internal::distance_functor<I> f;
67  output = mln::canvas::distance_front(input, nbh, w_win, max, f);
68 
69  trace::exiting("transform::distance_front");
70  return output;
71  }
72 
73 # endif // ! MLN_INCLUDE_ONLY
74 
75  } // end of namespace mln::transform
76 
77 } // end of namespace mln
78 
79 
80 #endif // ! MLN_TRANSFORM_DISTANCE_FRONT_HH