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tree_fast_to_image.hh
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25 
26 #ifndef MLN_UTIL_TREE_FAST_TO_IMAGE_HH
27 # define MLN_UTIL_TREE_FAST_TO_IMAGE_HH
28 
37 # include <mln/core/concept/image.hh>
38 # include <mln/util/tree_fast.hh>
39 # include <mln/core/site_set/p_set.hh>
40 # include <list>
41 
42 namespace mln
43 {
44 
45  namespace util
46  {
47 
54  template <typename T, typename I>
55  void
56  tree_fast_to_image(tree_fast<T>& tree, Image<I>& output_);
57 
58 # ifndef MLN_INCLUDE_ONLY
59 
60  namespace impl
61  {
62 
63  template <typename T, typename I>
64  inline
65  void
66  tree_fast_to_image(tree_fast<T>& tree, Image<I>& output_)
67  {
68  mln_trace("util::impl::tree_fast_to_image");
69 
70  I& output = exact(output_);
71  std::list<unsigned> l;
72 
73  l.push_back (tree.root_);
74  while (! l.empty())
75  {
76  unsigned current = l.front();
77  for (unsigned i = 0; i < tree.child_[current].size(); ++i)
78  l.push_back(tree.child_[current][i]);
79 
80  mln_piter(p_set<point2d>) p(tree.data_[current].points);
81 
82  for_all(p)
83  {
84  output(p) = tree.data_[current].value;
85  }
86  l.pop_front();
87  }
88 
89  }
90 
91  } // end of namespace mln::util::impl
92 
93 
94 
95  template <typename T, typename I>
96  inline
97  void
98  tree_fast_to_image(tree_fast<T>& tree, Image<I>& output_)
99  {
100  mln_trace("util::tree_fast_to_image");
101 
102  impl::tree_fast_to_image(tree, output_);
103 
104  }
105 
106 # endif // ! MLN_INCLUDE_ONLY
107 
108  } // end of namespace mln::util
109 
110 } // end of namespace mln
111 
112 #endif // ! MLN_UTIL_TREE_FAST_TO_IMAGE_HH