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debug/superpose.hh
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26 
27 #ifndef MLN_DEBUG_SUPERPOSE_HH
28 # define MLN_DEBUG_SUPERPOSE_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/core/image/dmorph/image_if.hh>
36 # include <mln/value/concept/scalar.hh>
37 # include <mln/value/concept/symbolic.hh>
38 # include <mln/value/rgb8.hh>
39 # include <mln/data/fill.hh>
40 # include <mln/data/convert.hh>
41 # include <mln/pw/all.hh>
42 # include <mln/literal/colors.hh>
43 
44 namespace mln
45 {
46 
47  namespace debug
48  {
49 
67  template <typename I, typename J>
68  mln_ch_value(I,value::rgb8)
69  superpose(const Image<I>& input_, const Image<J>& object_,
70  const value::rgb8& object_color);
71 
75  template <typename I, typename J>
76  mln_ch_value(I,value::rgb8)
77  superpose(const Image<I>& input, const Image<J>& object);
78 
79 
80 # ifndef MLN_INCLUDE_ONLY
81 
82  template <typename I, typename J>
83  mln_ch_value(I,value::rgb8)
84  superpose(const Image<I>& input_, const Image<J>& object_,
85  const value::rgb8& object_color)
86  {
87  mln_trace("debug::superpose");
88 
89  const I& input = exact(input_);
90  const J& object = exact(object_);
91 
92  //FIXME: Allow symbolic values may not be correct...
93  mlc_or(mlc_or(mlc_is_a(mln_value(J), value::Scalar),
94  mlc_is(mln_value(J), bool)),
95  mlc_is_a(mln_value(J), value::Symbolic))::check();
96 
97  mln_precondition(input.is_valid());
98  mln_precondition(object.is_valid());
99  mln_precondition(input.domain() == object.domain());
100 
101  mln_ch_value(I,value::rgb8) output = data::convert(value::rgb8(), input);
102  data::fill((output | (pw::value(object) != pw::cst(literal::zero))).rw(),
103  object_color);
104 
105  return output;
106  }
107 
108  template <typename I, typename J>
109  mln_ch_value(I,value::rgb8)
110  superpose(const Image<I>& input, const Image<J>& object)
111  {
112  return superpose(input, object, literal::red);
113  }
114 
115 # endif // ! MLN_INCLUDE_ONLY
116 
117  } // end of namespace mln::debug
118 
119 } // end of namespace mln
120 
121 #endif // ! MLN_DEBUG_SUPERPOSE_HH