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rgb8.cc

00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
00002 //
00003 // This file is part of Olena.
00004 //
00005 // Olena is free software: you can redistribute it and/or modify it under
00006 // the terms of the GNU General Public License as published by the Free
00007 // Software Foundation, version 2 of the License.
00008 //
00009 // Olena is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with Olena.  If not, see <http://www.gnu.org/licenses/>.
00016 //
00017 // As a special exception, you may use this file as part of a free
00018 // software project without restriction.  Specifically, if other files
00019 // instantiate templates or use macros or inline functions from this
00020 // file, or you compile this file and link it with other files to produce
00021 // an executable, this file does not by itself cause the resulting
00022 // executable to be covered by the GNU General Public License.  This
00023 // exception does not however invalidate any other reasons why the
00024 // executable file might be covered by the GNU General Public License.
00025 
00026 #include <mln/value/rgb8.hh>
00027 #include <mln/literal/all.hh>
00028 
00029 
00030 int main()
00031 {
00032   using namespace mln;
00033   using value::rgb8;
00034   using value::rgb;
00035 
00036   using literal::blue;
00037   using literal::white;
00038 
00039   {
00040     rgb8 v;
00041     v.red() = 0;
00042     v.green() = 1;
00043     v.blue() = 2;
00044     rgb8 c(0, 1, 2);
00045 
00046     // Exercise some operators.
00047     rgb8 c1(200,100,0);
00048     rgb8 c2(100,200,50);
00049     c1 + c2;
00050     c1 - c2;
00051     /* FIXME: Doesn't work.  Calls an operator* triggering an overflow
00052        error.  We have to check where `interop' types should be used
00053        instead of `equiv' types to avoid such a behavior.  */
00054 //     3 * c1;
00055 //     c1 * 3;
00056     c1 / 5;
00057 
00058     mln_sum_(rgb8) sum = literal::zero;
00059     sum = sum + c;
00060     c = c + c;
00061 
00062     std::cout << c << std::endl;
00063     std::cout << v << std::endl;
00064     std::cout << sum << std::endl;
00065 
00066     mln_assertion(c == c);
00067     mln_assertion(c == 2 * v);
00068     v.green() = 255;
00069     std::cout << v << std::endl;
00070 
00071     mln_assertion(v != c);
00072 
00073     rgb<20> b = blue;
00074     std::cout << b << std::endl;
00075 
00076     rgb<20> w = white;
00077     std::cout << w << std::endl;
00078 
00079     mln_assertion(b != w);
00080   }
00081 }

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