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generalized_pixel.hh
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25 
26 #ifndef MLN_CORE_CONCEPT_GENERALIZED_PIXEL_HH
27 # define MLN_CORE_CONCEPT_GENERALIZED_PIXEL_HH
28 
32 
33 # include <mln/core/concept/object.hh>
34 # include <mln/core/internal/force_exact.hh>
35 # include <mln/core/trait/qlf_value.hh>
36 
37 
38 namespace mln
39 {
40 
52  template <typename E>
54  {
55  /*
56  typedef value;
57  typedef rvalue;
58  typedef image; // is const or not
59 
60  rvalue val() const;
61  image& ima() const;
62  mln_qlf_value(image)** address_() const;
63  */
64 
65  operator unsigned() const // FIXME: Change to std::size_t
66  {
67  const E& it_ = internal::force_exact<E>(*this);
68  return & it_.val() - & it_.ima().buffer()[0];
69  }
70 
71  protected:
73  };
74 
75 
76 # ifndef MLN_INCLUDE_ONLY
77 
78  template <typename E>
79  inline
81  {
82  typedef mln_value(E) value;
83  typedef mln_rvalue(E) rvalue;
84 
85  rvalue (E::*m1)() const = & E::val;
86  m1 = 0;
87 
88  typedef mln_image(E) image;
89  // FIXME: check "without &"
90  image& (E::*m2)() const = & E::ima;
91  m2 = 0;
92 
93  mln_qlf_value(image)** (E::*m3)() const = & E::address_;
94  m3 = 0;
95  }
96 
97 # endif // ! MLN_INCLUDE_ONLY
98 
99 } // end of namespace mln
100 
101 
102 #endif // ! MLN_CORE_CONCEPT_GENERALIZED_PIXEL_HH