hue.cc

// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena is free software: you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation, version 2 of the License.
//
// Olena is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

# include <mln/core/image/image2d.hh>
# include <mln/extract/hue.hh>
# include <mln/value/hsl.hh>


int main()
{
  using namespace mln;
  using value::hsl_f;

  typedef image2d<hsl_f> I;
  I ima(2,2);
  point2d p(1,1);
  ima(p) = hsl_f(200, 230, 240);

  thru_image< I, meta::hue<hsl_f> > ima_hue = extract::hue(ima);

  mln_assertion(ima(p).hue() == ima_hue(p));

//   ima_hue(p) = 0;
//   mln_assertion(ima_hue(p) == 0u);
}