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algebraic_filter.hh
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26 
27 #ifndef MLN_MORPHO_ALGEBRAIC_FILTER_HH
28 # define MLN_MORPHO_ALGEBRAIC_FILTER_HH
29 
33 
34 
35 # include <mln/core/concept/image.hh>
36 # include <mln/core/concept/neighborhood.hh>
37 # include <mln/core/concept/accumulator.hh>
38 
39 # include <mln/trait/accumulators.hh>
40 
41 # include <mln/data/sort_psites.hh>
42 # include <mln/data/sort_offsets.hh>
43 
44 # include <mln/canvas/morpho/attribute_filter.hh>
45 
46 namespace mln
47 {
48 
49  namespace morpho
50  {
51 
52  template <typename I, typename N, typename A>
53  mln_concrete(I)
54  algebraic_filter(const Image<I>& input,
55  const Neighborhood<N>& nbh,
56  const Accumulator<A>& a,
57  const typename A::result& lambda,
58  bool increasing);
59 
60 
61 # ifndef MLN_INCLUDE_ONLY
62 
63  template <typename I, typename N, typename A>
64  mln_concrete(I)
65  algebraic_filter(const Image<I>& input,
66  const Neighborhood<N>& nbh,
67  const Accumulator<A>& a,
68  const typename A::result& lambda,
69  bool increasing)
70  {
71  trace::entering("morpho::opening::algebraic_filter");
72 
73  mln_precondition(exact(input).is_valid());
74 
75  mlc_or(mlc_equal(mln_trait_accumulator_when_pix(A),
76  trait::accumulator::when_pix::use_none),
77  mlc_equal(mln_trait_accumulator_when_pix(A),
78  trait::accumulator::when_pix::use_p))::check();
79 
80  mln_concrete(I) output;
81  output = canvas::morpho::internal::attribute_filter_dispatch(input,
82  nbh,
83  a,
84  lambda,
85  increasing);
86 
87  trace::exiting("morpho::opening::algebraic_filter");
88 
89  return output;
90  }
91 
92 # endif // ! MLN_INCLUDE_ONLY
93 
94  } // end of namespace mln::morpho
95 
96 } // end of namespace mln
97 
98 #endif // ! MLN_MORPHO_ALGEBRAIC_FILTER_HH