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plot.hh
1 // Copyright (C) 2007, 2008, 2009, 2012 EPITA Research and Development
2 // Laboratory (LRDE)
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26 
27 #ifndef MLN_DRAW_PLOT_HH
28 # define MLN_DRAW_PLOT_HH
29 
35 # include <mln/core/concept/image.hh>
36 # include <mln/core/site_set/p_line2d.hh>
37 # include <mln/data/paste.hh>
38 # include <mln/pw/image.hh>
39 # include <mln/pw/cst.hh>
40 
41 
42 namespace mln
43 {
44 
45  namespace draw
46  {
47 
59  template <typename I>
60  void plot(Image<I>& ima,
61  const mln_point(I)& p,
62  const mln_value(I)& v);
63 
64 
65 # ifndef MLN_INCLUDE_ONLY
66 
67  template <typename I>
68  inline
69  void plot(Image<I>& ima,
70  const mln_psite(I)& p,
71  const mln_value(I)& v)
72  {
73  mln_precondition(exact(ima).is_valid());
74  mln_precondition(exact(ima).has(p));
75 
76  for (unsigned i = 0; i < I::point::dim; i++)
77  {
78  mln_point(I) beg = p, end = p;
79  beg[i] = beg[i] - 1;
80  end[i] = end[i] + 1;
81  data::paste(pw::cst(v) | line2d(beg, end),
82  ima);
83  }
84  }
85 
86 # endif // ! MLN_INCLUDE_ONLY
87 
88  } // end of namespace mln::draw
89 
90 } // end of namespace mln
91 
92 
93 #endif // ! MLN_DRAW_PLOT_HH