URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2008-01-25 Matthieu Garrigues <garrigues@lrde.epita.fr> Add a replace routine. * mln/level/replace.hh: New, the routine replace a value by another one in an image. * tests/level/replace.cc: New, a little test. --- mln/level/replace.hh | 105 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/level/replace.cc | 63 +++++++++++++++++++++++++++++ 2 files changed, 168 insertions(+) Index: trunk/milena/tests/level/replace.cc =================================================================== --- trunk/milena/tests/level/replace.cc (revision 0) +++ trunk/milena/tests/level/replace.cc (revision 1683) @@ -0,0 +1,63 @@ +// 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. + +/*! \file tests/level/replace.cc + * + * \brief Tests on mln::level::replace. + */ + +#include <mln/core/image2d.hh> +#include <mln/level/replace.hh> +#include <mln/level/compare.hh> + + +int main() +{ + using namespace mln; + + int vs[3][3] = { + + { 10, 3, 4 }, + { 5, 10, 7 }, + { 8, 9, 10 }, + + }; + + image2d<int> rhs = make::image2d(vs); + + level::replace(rhs, 10, 11); + + int vs_ref[3][3] = { + + { 11, 3, 4 }, + { 5, 11, 7 }, + { 8, 9, 11 }, + }; + + mln_assertion(make::image2d(vs_ref) == rhs); + +} Index: trunk/milena/mln/level/replace.hh =================================================================== --- trunk/milena/mln/level/replace.hh (revision 0) +++ trunk/milena/mln/level/replace.hh (revision 1683) @@ -0,0 +1,105 @@ +// Copyright (C) 2007, 2008 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_LEVEL_REPLACE_HH +# define MLN_LEVEL_REPLACE_HH + +/*! \file mln/level/replace.hh + * + * \brief Replace the contents of an image into another one. + * + */ + +# include <mln/core/concept/image.hh> +# include <mln/core/image_if.hh> + +# include <mln/level/fill.hh> +# include <mln/pw/value.hh> +# include <mln/pw/cst.hh> + +namespace mln +{ + + namespace level + { + + /*! Replace \p old_value by \p new_value in the image \p input + * + * \param[in] input The input image. + * \param[in] old_value The value to be replaced... + * \param[in] new_value ...by this one. + * + */ + template <typename I> + void replace(Image<I>& input, const mln_value(I)& old_value, + const mln_value(I)& new_value); + +# ifndef MLN_INCLUDE_ONLY + + namespace impl + { + + namespace generic + { + + template <typename I> + inline + void replace_(Image<I>& input_, const mln_value(I)& old_value, + const mln_value(I)& new_value) + { + trace::entering("level::impl::generic::replace"); + level::fill(inplace(exact(input_) | pw::value(input_) == pw::cst(old_value)), new_value); + trace::exiting("level::impl::generic::replace"); + } + + } // end of namespace mln::level::impl::generic + + } // end of namespace mln::level::impl + + + // Facade. + template <typename I> + void replace(Image<I>& input, const mln_value(I)& old_value, + const mln_value(I)& new_value) + { + trace::entering("level::replace"); + + mln_precondition(exact(input).has_data()); + + impl::generic::replace_<I>(exact(input), old_value, new_value); + trace::exiting("level::replace"); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::level + +} // end of namespace mln + + +#endif // ! MLN_LEVEL_REPLACE_HH