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apply.hh
1 // Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_DATA_APPLY_HH
27 # define MLN_DATA_APPLY_HH
28 
34 # include <mln/core/concept/image.hh>
35 # include <mln/core/concept/function.hh>
36 
37 // Specializations are in:
38 # include <mln/data/apply.spe.hh>
39 
40 
41 namespace mln
42 {
43 
44  namespace data
45  {
46 
60  template <typename I, typename F>
61  void apply(Image<I>& input, const Function_v2v<F>& f);
62 
63 
64 
65 # ifndef MLN_INCLUDE_ONLY
66 
67  namespace impl
68  {
69 
70  namespace generic
71  {
72 
73  template <typename I, typename F>
74  inline
75  void apply_(I& input, const F& f)
76  {
77  trace::entering("data::impl::generic::apply_");
78 
79  mln_piter(I) p(input.domain());
80  for_all(p)
81  input(p) = f(input(p));
82 
83  trace::exiting("data::impl::generic::apply_");
84  }
85 
86  } // end of namespace mln::data::impl::generic
87 
88  } // end of namespace mln::data::impl
89 
90 
91  // Facade.
92 
93  template <typename I, typename F>
94  inline
95  void apply(Image<I>& input, const Function_v2v<F>& f)
96  {
97  trace::entering("data::apply");
98 
99  mln_precondition(exact(input).is_valid());
100  impl::apply_(mln_trait_image_speed(I)(), exact(input),
101  exact(f));
102 
103  trace::exiting("data::apply");
104  }
105 
106 # endif // ! MLN_INCLUDE_ONLY
107 
108  } // end of namespace mln::data
109 
110 } // end of namespace mln
111 
112 
113 #endif // ! MLN_DATA_APPLY_HH