labeling.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_GRAPH_LABELING_HH
# define MLN_GRAPH_LABELING_HH



# include <mln/core/concept/image.hh>
# include <mln/core/concept/neighborhood.hh>
# include <mln/labeling/blobs.hh>
# include <mln/metal/bexpr.hh>
# include <mln/metal/is_a.hh>


namespace mln
{

  namespace graph
  {


    //
    template <typename I, typename N, typename L>
    mln_ch_value(I,L)
    labeling(const Image<I>& graph_image_,
             const Neighborhood<N>& nbh_, L& nlabels);



# ifndef MLN_INCLUDE_ONLY


    template <typename I, typename N, typename L>
    mln_ch_value(I,L)
    labeling(const Image<I>& graph_image_,
             const Neighborhood<N>& nbh_, L& nlabels)
    {
      trace::entering("graph::labeling");

      const I& graph_image = exact(graph_image_);
      const N& nbh = exact(nbh_);

      mln_precondition(graph_image.is_valid());
      mln_precondition(nbh.is_valid());
      // FIXME: Be sure that's a graph image!
      // FIXME: Be sure that's a neighborhood on graph!

      mln_ch_value(I,bool) tmp;
      initialize(tmp, graph_image);
      data::fill(tmp, true);

      mln_ch_value(I,L) output = mln::labeling::blobs(tmp, nbh, nlabels);

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


# endif // ! MLN_INCLUDE_ONLY


  } // end of namespace mln::graph

} // end of namespace mln


#endif // ! MLN_GRAPH_LABELING_HH