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image_domain_morpher.hh
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25 
26 #ifndef MLN_CORE_INTERNAL_IMAGE_DOMAIN_MORPHER_HH
27 # define MLN_CORE_INTERNAL_IMAGE_DOMAIN_MORPHER_HH
28 
32 
33 # include <mln/core/internal/image_morpher.hh>
34 
35 
36 namespace mln
37 {
38 
39  namespace internal
40  {
41 
42 
50  template <typename I, typename S, typename E>
51  class image_domain_morpher : public image_morpher<I, mln_value(I), S, E>
52  {
53  public:
54 
56  typedef mln_rvalue(I) rvalue;
57 
59  typedef mln_morpher_lvalue(I) lvalue;
60 
61 
63  rvalue operator()(const mln_psite(S)& p) const;
64 
66  lvalue operator()(const mln_psite(S)& p);
67 
68  protected:
69 
71  image_domain_morpher();
72  };
73 
74 
75 # ifndef MLN_INCLUDE_ONLY
76 
77  template <typename I, typename S, typename E>
78  inline
79  image_domain_morpher<I,S,E>::image_domain_morpher()
80  {
81  }
82 
83  template <typename I, typename S, typename E>
84  inline
85  mln_rvalue(I)
86  image_domain_morpher<I,S,E>::operator()(const mln_psite(S)& p) const
87  {
88  mln_precondition(this->delegatee_() != 0);
89  mln_precondition(exact(this)->has(p));
90  mln_precondition(this->delegatee_()->has(p));
91  return this->delegatee_()->operator()(p);
92  }
93 
94  template <typename I, typename S, typename E>
95  inline
96  typename image_domain_morpher<I,S,E>::lvalue
97  image_domain_morpher<I,S,E>::operator()(const mln_psite(S)& p)
98  {
99  mln_precondition(this->delegatee_() != 0);
100  mln_precondition(exact(this)->has(p));
101  mln_precondition(this->delegatee_()->has(p));
102  return this->delegatee_()->operator()(p);
103  }
104 
105 # endif // ! MLN_INCLUDE_ONLY
106 
107  } // end of namespace mln::internal
108 
109 } // end of namespace mln
110 
111 
112 #endif // ! MLN_CORE_INTERNAL_IMAGE_DOMAIN_MORPHER_HH