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Olena  User documentation 2.1
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rgb8.cc
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24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/value/rgb8.hh>
27 #include <mln/literal/all.hh>
28 
29 
30 int main()
31 {
32  using namespace mln;
33  using value::rgb8;
34  using value::rgb;
35 
36  using literal::blue;
37  using literal::white;
38 
39  {
40  rgb8 v;
41  v.red() = 0;
42  v.green() = 1;
43  v.blue() = 2;
44  rgb8 c(0, 1, 2);
45 
46  // Exercise some operators.
47  rgb8 c1(200,100,0);
48  rgb8 c2(100,200,50);
49  c1 + c2;
50  c1 - c2;
51  /* FIXME: Doesn't work. Calls an operator* triggering an overflow
52  error. We have to check where `interop' types should be used
53  instead of `equiv' types to avoid such a behavior. */
54 // 3 * c1;
55 // c1 * 3;
56  c1 / 5;
57 
58  mln_sum_(rgb8) sum = literal::zero;
59  sum = sum + c;
60  c = c + c;
61 
62  std::cout << c << std::endl;
63  std::cout << v << std::endl;
64  std::cout << sum << std::endl;
65 
66  mln_assertion(c == c);
67  mln_assertion(c == 2 * v);
68  v.green() = 255;
69  std::cout << v << std::endl;
70 
71  mln_assertion(v != c);
72 
73  rgb<20> b = blue;
74  std::cout << b << std::endl;
75 
76  rgb<20> w = white;
77  std::cout << w << std::endl;
78 
79  mln_assertion(b != w);
80  }
81 }