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immerse.hh
1 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_WORLD_INTER_PIXEL_IMMERSE_HH
27 # define MLN_WORLD_INTER_PIXEL_IMMERSE_HH
28 
32 
33 # include <mln/core/concept/image.hh>
34 # include <mln/data/paste_without_localization.hh>
35 # include <mln/geom/nsites.hh>
36 # include <mln/world/inter_pixel/is_pixel.hh>
37 
38 
39 namespace mln
40 {
41 
42  namespace world
43  {
44 
45  namespace inter_pixel
46  {
47 
52  //
53  template <typename I>
54  image_if<mln_concrete(I), is_pixel>
55  immerse(const Image<I>& input);
56 
57 
58 
59 # ifndef MLN_INCLUDE_ONLY
60 
61  template <typename I>
62  inline
63  image_if<mln_concrete(I), is_pixel>
64  immerse(const Image<I>& input_)
65  {
66  mln_trace("world::inter_pixel::immerse");
67 
68  mlc_is_a(mln_domain(I), Box)::check();
69 
70  const I& input = exact(input_);
71  mln_precondition(input.is_valid());
72 
73  mln_domain(I) b((2 * input.domain().pmin()),
74  (2 * input.domain().pmax()));
75  mln_concrete(I) output(b);
76  mln_assertion(geom::nsites(output | is_pixel()) == input.domain().nsites());
77 
78  data::paste_without_localization(input, (output | is_pixel()).rw());
79 
80  return output | is_pixel();
81  }
82 
83 # endif // ! MLN_INCLUDE_ONLY
84 
85  } // end of namespace mln::world::inter_pixel
86 
87  } // end of namespace mln::world
88 
89 } // end of namespace mln
90 
91 #endif // ! MLN_WORLD_INTER_PIXEL_IMMERSE_HH