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// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE)
//
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// This file is part of the Milena Library.  This library is free
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// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License version 2 as published by the
// Free Software Foundation.
//
// This library 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 this library; see the file COPYING.  If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02111-1307, USA.
//
// As a special exception, you may use this file as part of a free
// software library 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 DOC_TUTORIAL_TOOLS_SAMPLE_UTILS_HH
# define DOC_TUTORIAL_TOOLS_SAMPLE_UTILS_HH

# include <mln/core/image/image2d.hh>
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# include <mln/io/pbm/all.hh>
# include <mln/io/pgm/all.hh>
# include <mln/io/ppm/all.hh>
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namespace doc
{

  inline
  std::string
  file(const std::string& name, const std::string& extension)
  {
    static int file_id = 1;

    std::ostringstream os;
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    /* FIXME: Hard-coded paths are bad!  Use something like
       milena/tests/data.hh.in instead.  */
    os << "figures/"
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      << name
      << "-"
      << file_id++
      << "."
      << extension;
    return os.str();
  }

  template <typename I>
  inline
  void
  ppmsave(const mln::Image<I>& ima, const std::string& name)
  {
    mln::io::ppm::save(ima, file(name, "ppm"));
  }

  template <typename I>
  inline
  void
  pbmsave(const mln::Image<I>& ima, const std::string& name)
  {
    mln::io::pbm::save(ima, file(name, "pbm"));
  }

  template <typename I>
  inline
  void
  pgmsave(const mln::Image<I>& ima, const std::string& name)
  {
    mln::io::pgm::save(ima, file(name, "pgm"));
  }

  inline
  void
  begin_output()
  {
    std::cout << "// \\{" << std::endl;
  }

  inline
  void
  end_output()
  {
    std::cout << "// \\}" << std::endl;
  }

} // end of namespace doc

#endif // ! DOC_TUTORIAL_TOOLS_SAMPLE_UTILS_HH