wrap.hh

// 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.

#ifndef MLN_LABELING_WRAP_HH
# define MLN_LABELING_WRAP_HH


# include <mln/core/concept/image.hh>
# include <mln/data/transform.hh>
# include <mln/fun/v2v/wrap.hh>
# include <mln/metal/converts_to.hh>
# include <mln/metal/is_a.hh>
# include <mln/value/label_8.hh>


namespace mln
{

  namespace labeling
  {

    template <typename V, typename I>
    mln_ch_value(I,V)
    wrap(const V& value_type, const Image<I>& input);

    template <typename I>
    mln_ch_value(I, mln::value::label_8)
    wrap(const Image<I>& input);


# ifndef MLN_INCLUDE_ONLY

    template <typename V, typename I>
    inline
    mln_ch_value(I,V)
    wrap(const V& value_type, const Image<I>& input)
    {
      trace::entering("labeling::wrap");

//      mlc_is_a(mln_value(I), value::Symbolic)::check();
      mln_precondition(exact(input).is_valid());
      (void) value_type;

      mln_ch_value(I,V) output = data::transform(input, fun::v2v::wrap<V>());

      trace::exiting("labeling::wrap");
      return output;
    }


    template <typename I>
    inline
    mln_ch_value(I, mln::value::label_8)
    wrap(const Image<I>& input)
    {
      return wrap(mln::value::label_8(), input);
    }

# endif // ! MLN_INCLUDE_ONLY

  } // end of namespace mln::labeling

} // end of namespace mln


#endif // ! MLN_LABELING_WRAP_HH