--- milena/ChangeLog | 4 + milena/mln/world/k1/neighb2d.hh | 143 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 147 insertions(+), 0 deletions(-) create mode 100644 milena/mln/world/k1/neighb2d.hh diff --git a/milena/ChangeLog b/milena/ChangeLog index dc3a807..0744148 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,9 @@ 2012-09-27 Guillaume Lazzara <z@lrde.epita.fr> + * mln/world/k1/neighb2d.hh: New neighborhoods. + +2012-09-27 Guillaume Lazzara <z@lrde.epita.fr> + More routines working on images immersed in K1. * mln/core/concept/function.hh: Add Function_vvvv2v concept. diff --git a/milena/mln/world/k1/neighb2d.hh b/milena/mln/world/k1/neighb2d.hh new file mode 100644 index 0000000..7681af1 --- /dev/null +++ b/milena/mln/world/k1/neighb2d.hh @@ -0,0 +1,143 @@ +// Copyright (C) 2012 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. + +/// \file +/// +/// \brief 2D neighborhood working in K1. + +#ifndef MLN_WORLD_K1_NEIGHB2D_HH +# define MLN_WORLD_K1_NEIGHB2D_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/core/alias/neighb2d.hh> +# include <mln/win/multiple.hh> +# include <mln/make/double_neighb2d.hh> + +namespace mln +{ + + namespace world + { + + namespace k1 + { + + /*! \brief 2 faces to 1 faces neighborhood. + + \verbatim + - + |x| + - + \endverbatim + */ + const neighb2d& 2to1_faces(); + + + /*! \brief 1 faces to 2 faces neighborhood. + + \verbatim + o + oxo or x + o + \endverbatim + + */ + const dbl_neighb2d& 1to2_faces(); + + + /*! \brief 1 faces to 1 faces neighborhood. + + \verbatim + | + - - | | + x or - - + - - | | + | + \endverbatim + */ + const dbl_neighb2d& 1to1_faces() + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + inline + bool is_row_odd(const point2d& p) + { + return p.row() % 2; + } + + } + + typedef neighb< win::multiple<window2d, bool(*)(const point2d&)> > dbl_neighb2d; + + + const neighb2d& 2to1_faces() + { + return c4(); + } + + const dbl_neighb2d& 1to2_faces() + { + static bool 1face_h[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + static bool 1face_v[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + static dbl_neighb2d nbh = make::double_neighb2d(internal::is_row_odd, e2p_h, e2p_v); + return nbh; + } + + + const dbl_neighb2d& 1to1_faces() + { + static bool e2e_h[] = { 0, 0, 1, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 0, 0, 1, 0, 0 }; + static bool e2e_v[] = { 0, 0, 0, 0, 0, + 0, 1, 0, 1, 0, + 1, 0, 0, 0, 1, + 0, 1, 0, 1, 0, + 0, 0, 0, 0, 0 }; + static dbl_neighb2d nbh = make::double_neighb2d(internal::is_row_odd, e2e_h, e2e_v); + return nbh; + } + + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k1 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K1_NEIGHB2D_HH -- 1.7.2.5