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hexa_piter.hh
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26 
27 #ifndef MLN_CORE_IMAGE_DMORPH_HEXA_PITER_HH
28 # define MLN_CORE_IMAGE_DMORPH_HEXA_PITER_HH
29 
33 
34 # include <mln/core/internal/piter_adaptor.hh>
35 
36 # include <mln/core/alias/box2d.hh>
37 # include <mln/core/alias/box2d_h.hh>
38 
39 
40 namespace mln
41 {
42 
51  template <typename S>
53  : public internal::piter_adaptor_< mln_fwd_piter(S),
54  S,
55  hexa_fwd_piter_<S> >
56  {
57  typedef mln_fwd_piter(S) adaptee_;
58  typedef hexa_fwd_piter_<S> self_;
60 
61  public:
62 
64  hexa_fwd_piter_(const box2d_h& subset);
65 
67  void start();
68 
71  void next_();
73 
74  operator point2d_h() const;
75  private:
76 
77  point2d_h p_;
78 
79  //adaptee's box2d.
80  box2d box_adaptee_;
81  };
82 
83 
84  // FIXME:
85  template <typename S>
87  :
88  public mln::internal::fixme
89  {};
90 
91 
92 
93 # ifndef MLN_INCLUDE_ONLY
94 
95 
96  // hexa_fwd_piter_<I>
97 
98  template <typename S>
99  inline
101  :
102  super_(adaptee_(box_adaptee_))
103  {
104  box_adaptee_ = make::box2d(b.pmin()[0] / 2,
105  b.pmin()[1] / 2,
106  b.pmax()[0] / 2 + b.pmax()[0] % 2,
107  b.pmax()[1] / 2);
108  }
109 
110  template <typename S>
111  inline
112  void
114  {
115  this->pi_.start();
116  p_[0] = this->pi_[0];
117  p_[1] = this->pi_[1];
118  }
119 
120  template <typename S>
121  inline
122  void
124  {
125  this->pi_.next();
126  p_[0] = this->pi_[0] * 2;
127  p_[1] = this->pi_[1] * 2 + this->pi_[0] % 2;
128  }
129 
130  template <typename S>
131  inline
132  hexa_fwd_piter_<S>::operator point2d_h() const
133  {
134  return p_;
135  }
136 
137  // FIXME: hexa_bkd_piter_<S>
138 
139 
140 # endif // ! MLN_INCLUDE_ONLY
141 
142 } // end of namespace mln
143 
144 
145 #endif // ! MLN_CORE_IMAGE_DMORPH_HEXA_PITER_HH