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detach.hh
1 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_TOPO_DETACH_HH
27 # define MLN_TOPO_DETACH_HH
28 
31 
32 # include <mln/core/site_set/p_set.hh>
33 # include <mln/core/image/complex_image.hh>
34 # include <mln/make/detachment.hh>
35 # include <mln/topo/is_facet.hh>
36 
37 namespace mln
38 {
39 
40  namespace topo
41  {
42 
48  template <unsigned D, typename G>
49  void
50  detach(const complex_psite<D, G>& f, complex_image<D, G, bool>& ima);
51 
52 
53 # ifndef MLN_INCLUDE_ONLY
54 
55  template <unsigned D, typename G>
56  inline
57  void
59  {
60  mln_precondition(topo::is_facet(f));
61 
62  typedef complex_psite<D, G> psite;
63  typedef p_set<psite> faces_t;
64 
65  // Compute the detachment of P from IMA.
66  faces_t detach = make::detachment(f, ima);
67  // Detach all its faces from IMA.
68 # if 0
69  // FIXME: Does not work yet? Check again.
70  data::fill(ima | detach, false);
71 # endif
72  mln_piter(faces_t) p(detach);
73  for_all(p)
74  ima(p) = false;
75  }
76 
77 # endif // MLN_INCLUDE_ONLY
78 
79  } // end of namespace mln::topo
80 
81 } // end of namespace mln
82 
83 #endif // ! MLN_TOPO_DETACH_HH