[Olena-patches] milena r1160: Add image_identity_morpher

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-09-24 Matthieu Garrigues &lt;garrigues(a)lrde.epita.fr&gt; Add image_identity_morpher. * mln/core/internal/image_identity_morpher.hh: New. --- image_identity_morpher.hh | 140 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 140 insertions(+) Index: trunk/milena/mln/core/internal/image_identity_morpher.hh =================================================================== --- trunk/milena/mln/core/internal/image_identity_morpher.hh (revision 0) +++ trunk/milena/mln/core/internal/image_identity_morpher.hh (revision 1160) @@ -0,0 +1,140 @@ +// Copyright (C) 2007 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, 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 MLN_CORE_INTERNAL_IMAGE_IDENTITY_MORPHER_HH +# define MLN_CORE_INTERNAL_IMAGE_IDENTITY_MORPHER_HH + +/*! \file mln/core/internal/image_identity_morpher.hh + * + * \brief Definition of a base class for image morphers w.r.t. identity. + */ + +# include <mln/core/internal/image_morpher.hh> + + +namespace mln +{ + + namespace internal + { + + + /*! \brief A base class for image morphers w.r.t. identity. + * + * Parameter \p S is a point set type. + * + * \internal + */ + template <typename I, typename S, typename E> + class image_identity_morpher_ : public image_morpher_<I, S, E> + { + public: + + /// Value_Set associated type. + typedef mln_vset(I) vset; + + /// Value associated type. + typedef mln_value(I) value; + + /// Return type of read-only access. + typedef mln_rvalue(I) rvalue; + + /// Return type of read-write access. + typedef typename internal::morpher_lvalue_<I>::ret lvalue; + + + /// Give the set of values. + const vset& values() const; + + /// Read-only access of pixel value at point site \p p. + rvalue operator()(const mln_psite(S)& p) const; + + /// Read-write access of pixel value at point site \p p. + lvalue operator()(const mln_psite(S)& p); + + const mln_pset(I)& domain() const; + bool owns_(const mln_psite(I)& p) const; + + protected: + image_identity_morpher_(); + }; + + +# ifndef MLN_INCLUDE_ONLY + + template <typename I, typename S, typename E> + image_identity_morpher_<I,S,E>::image_identity_morpher_() + { + } + + template <typename I, typename S, typename E> + const mln_vset(I)& + image_identity_morpher_<I,S,E>::values() const + { + mln_precondition(this->delegatee_() != 0); + return this->delegatee_()->values(); + } + + template <typename I, typename S, typename E> + mln_rvalue(I) + image_identity_morpher_<I,S,E>::operator()(const mln_psite(S)& p) const + { + mln_precondition(this->delegatee_() != 0); + return this->delegatee_()->operator()(p); + } + + template <typename I, typename S, typename E> + typename image_identity_morpher_<I,S,E>::lvalue + image_identity_morpher_<I,S,E>::operator()(const mln_psite(S)& p) + { + mln_precondition(this->delegatee_() != 0); + return this->delegatee_()->operator()(p); + } + + template <typename I, typename S, typename E> + const mln_pset(I)& + image_identity_morpher_<I,S,E>::domain() const + { + mln_precondition(this->delegatee_() != 0); + return this->delegatee_()->domain(); + } + + template <typename I, typename S, typename E> + bool + image_identity_morpher_<I,S,E>::owns_(const mln_psite(I)& p) const + { + mln_precondition(this->delegatee_() != 0); + return this->delegatee_()->owns_(p); + } +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::internal + +} // end of namespace mln + + +#endif // ! MLN_CORE_INTERNAL_IMAGE_IDENTITY_MORPHER_HH