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fwd.hh
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26 
27 #ifndef MLN_CANVAS_BROWSING_FWD_HH
28 # define MLN_CANVAS_BROWSING_FWD_HH
29 
33 
34 # include <mln/core/concept/browsing.hh>
35 # include <mln/core/concept/image.hh>
36 
37 
38 namespace mln
39 {
40 
41  namespace canvas
42  {
43 
44  namespace browsing
45  {
46 
72  struct fwd_t : public Browsing< fwd_t >
73  {
74  // This default constructor is needed for compilation with gcc
75  // 4.6.0, gcc 4.6.1 and Clang.
76  fwd_t();
77 
78  template <typename F>
79  void operator()(F& f) const;
80  };
81 
82  extern const fwd_t fwd;
83 
84 # ifndef MLN_INCLUDE_ONLY
85 
86 # ifndef MLN_WO_GLOBAL_VARS
87 
88  const fwd_t fwd;
89 
90 # endif // ! MLN_WO_GLOBAL_VARS
91 
92 
93  inline
94  fwd_t::fwd_t()
95  {
96  }
97 
98  template <typename F>
99  inline
100  void
101  fwd_t::operator()(F& f) const
102  {
103  mln_trace("canvas::browsing::fwd");
104  mln_precondition(f.input.is_valid());
105  typedef typename F::I I;
106  mln_fwd_piter(I) p(f.input.domain());
107  f.init();
108  for_all(p)
109  {
110  f.p = p;
111  f.next();
112  }
113  f.final();
114  }
115 
116 # endif // ! MLN_INCLUDE_ONLY
117 
118  } // end of namespace mln::canvas::browsing
119 
120  } // end of namespace mln::canvas
121 
122 } // end of namespace mln
123 
124 
125 #endif // ! MLN_CANVAS_BROWSING_FWD_HH