copy.hh

// Copyright (C) 2001, 2002, 2003, 2004  EPITA Research and Development Laboratory
//
// This file is part of the Olena Library.  This library is free
// 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, 59 Temple Place - Suite 330, 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 OLENA_UTILS_COPY_HH
# define OLENA_UTILS_COPY_HH

/* \file  olena/oln/utils/copy.hh
**
** \warning This file contains implementations of image's copy constructors.
**\verbatim
**   / \    NEVER include this file unless you understand what
**  / ! \    it does and why you need it.
** `-----'
**\endverbatim
** \todo FIXME: should be replaced soon by a correct const image handling.
** a detailed problem description can be found on:
** http://www.lrde.epita.fr/cgi-bin/twiki/view/Projects/OlenaConstImages
*/

namespace oln {

# define OLENA_UTILS_IMAGE_DEEP_COPY            \
  mlc_init_static_hierarchy(Exact);             \
  if (rhs.has_impl())                           \
    *this = rhs.clone()

# ifdef OLENA_CORE_IMAGE1D_HH

template<class T, class Exact>
image1d<T,Exact>::image1d(const self_type& rhs)
{
  OLENA_UTILS_IMAGE_DEEP_COPY;
}

# endif


# ifdef OLENA_CORE_IMAGE2D_HH

template<class T, class Exact>
image2d<T,Exact>::image2d(const self_type& rhs)
{
  OLENA_UTILS_IMAGE_DEEP_COPY;
}

# endif


# ifdef OLENA_CORE_IMAGE3D_HH

template<class T, class Exact>
image3d<T,Exact>::image3d(const self_type& rhs)
{
  OLENA_UTILS_IMAGE_DEEP_COPY;
}

# endif

} // end of namespace oln

#endif // ! OLENA_UTILS_COPY_HH

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