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Olena  User documentation 2.1
An Image Processing Platform
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stretch.cc
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3 // This file is part of Olena.
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19 // instantiate templates or use macros or inline functions from this
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24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/core/image/image2d.hh>
27 #include <mln/data/stretch.hh>
28 #include <mln/debug/iota.hh>
29 #include <mln/value/int_u8.hh>
30 
31 
32 int main()
33 {
34  using namespace mln;
35  using value::int_u8;
36 
37  int vs[3][3] = {
38  { 1000, 2000, 3000 },
39  { 1000, 2000, 3000 },
40  { 1000, 2000, 3000 }
41  };
42  image2d<int> ima = make::image(vs);
43  image2d<int_u8> out = data::stretch(int_u8(), ima);
44 
45  int_u8 ws[3][3] = {
46  { 0, 127, 255 },
47  { 0, 127, 255 },
48  { 0, 127, 255 }
49  };
50  image2d<int_u8> ref = make::image(ws);
51 
52  box_fwd_piter_<point2d> p(out.domain());
53  for_all(p)
54  mln_assertion(out(p) == ref(p));
55 }