* mln/world/k1/immerse.hh: Make use of kn::immerse. * mln/world/k2/convert_on_access.hh, * mln/world/k2/fill_0_from_1_faces.hh, * mln/world/k2/fill_1_from_2_faces.hh, * mln/world/k2/fill_non_primary_from_primary_faces.hh, * mln/world/k2/immerse.hh, * mln/world/k2/immerse_with.hh, * mln/world/k2/is_non_primary_face.hh, * mln/world/k2/is_non_primary_face_cross.hh, * mln/world/k2/is_non_primary_face_horizontal.hh, * mln/world/k2/is_non_primary_face_vertical.hh, * mln/world/k2/is_primary_face.hh, * mln/world/k2/neighb2d.hh, * mln/world/kn/immerse.hh: New. --- milena/ChangeLog | 20 ++ milena/mln/world/k1/immerse.hh | 64 +++---- milena/mln/world/k2/convert_on_access.hh | 126 ++++++++++++ milena/mln/world/k2/fill_0_from_1_faces.hh | 114 +++++++++++ milena/mln/world/k2/fill_1_from_2_faces.hh | 118 +++++++++++ .../k2/fill_non_primary_from_primary_faces.hh | 212 ++++++++++++++++++++ milena/mln/world/k2/immerse.hh | 127 ++++++++++++ milena/mln/world/k2/immerse_with.hh | 173 ++++++++++++++++ milena/mln/world/k2/is_non_primary_face.hh | 83 ++++++++ milena/mln/world/k2/is_non_primary_face_cross.hh | 88 ++++++++ .../mln/world/k2/is_non_primary_face_horizontal.hh | 83 ++++++++ .../mln/world/k2/is_non_primary_face_vertical.hh | 83 ++++++++ milena/mln/world/k2/is_primary_face.hh | 82 ++++++++ milena/mln/world/k2/neighb2d.hh | 139 +++++++++++++ milena/mln/world/kn/immerse.hh | 161 +++++++++++++++ 15 files changed, 1635 insertions(+), 38 deletions(-) create mode 100644 milena/mln/world/k2/convert_on_access.hh create mode 100644 milena/mln/world/k2/fill_0_from_1_faces.hh create mode 100644 milena/mln/world/k2/fill_1_from_2_faces.hh create mode 100644 milena/mln/world/k2/fill_non_primary_from_primary_faces.hh create mode 100644 milena/mln/world/k2/immerse.hh create mode 100644 milena/mln/world/k2/immerse_with.hh create mode 100644 milena/mln/world/k2/is_non_primary_face.hh create mode 100644 milena/mln/world/k2/is_non_primary_face_cross.hh create mode 100644 milena/mln/world/k2/is_non_primary_face_horizontal.hh create mode 100644 milena/mln/world/k2/is_non_primary_face_vertical.hh create mode 100644 milena/mln/world/k2/is_primary_face.hh create mode 100644 milena/mln/world/k2/neighb2d.hh create mode 100644 milena/mln/world/kn/immerse.hh diff --git a/milena/ChangeLog b/milena/ChangeLog index 4b7a84a..87afe57 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,25 @@ 2012-10-18 Guillaume Lazzara <z@lrde.epita.fr> + Introduce K2 and Kn spaces. + + * mln/world/k1/immerse.hh: Make use of kn::immerse. + + * mln/world/k2/convert_on_access.hh, + * mln/world/k2/fill_0_from_1_faces.hh, + * mln/world/k2/fill_1_from_2_faces.hh, + * mln/world/k2/fill_non_primary_from_primary_faces.hh, + * mln/world/k2/immerse.hh, + * mln/world/k2/immerse_with.hh, + * mln/world/k2/is_non_primary_face.hh, + * mln/world/k2/is_non_primary_face_cross.hh, + * mln/world/k2/is_non_primary_face_horizontal.hh, + * mln/world/k2/is_non_primary_face_vertical.hh, + * mln/world/k2/is_primary_face.hh, + * mln/world/k2/neighb2d.hh, + * mln/world/kn/immerse.hh: New. + +2012-10-18 Guillaume Lazzara <z@lrde.epita.fr> + Some fixes. * mln/labeling/compute.hh: Fix include. diff --git a/milena/mln/world/k1/immerse.hh b/milena/mln/world/k1/immerse.hh index b9b58fb..1f59f7e 100644 --- a/milena/mln/world/k1/immerse.hh +++ b/milena/mln/world/k1/immerse.hh @@ -34,6 +34,8 @@ # include <mln/core/concept/box.hh> # include <mln/core/alias/point2d.hh> +# include <mln/world/kn/immerse.hh> + namespace mln { @@ -45,6 +47,11 @@ namespace mln /*! \brief Immerse a 2D image into K1. + \param[in] ima 2D Image in K0. + \param[in] new_type Value type of the immersed image. + + \return A 2D image immersed in k1 of value type \tparam V. + \verbatim -1 0 1 2 3 @@ -57,60 +64,41 @@ namespace mln \endverbatim */ + template <typename I, typename V> + mln_concrete(I) immerse(const Image<I>& ima, const V& new_type); + + /// \overload + /// new_type is set to mln_value(I). template <typename I> mln_concrete(I) immerse(const Image<I>& ima); # ifndef MLN_INCLUDE_ONLY - namespace internal - { - - /// Return the equivalent point in K1 from a point in K0. - inline - point2d immerse_point(const point2d& p) - { - point2d tmp(2 * p.row(), 2 * p.col()); - return tmp; - } - - /// \brief Return the equivalent domain in K1 from a domain in - /// K0. - template <typename B> - inline - B domain_from_K0(const Box<B>& b_) - { - mln_precondition(exact(b_).is_valid()); - const B& b = exact(b_); - - mln_deduce(B, site, delta) one; - one.set_all(1); - return B(immerse_point(b.pmin()) - one, immerse_point(b.pmax()) + one); - } - - } // end of namespace mln::world::k1::internal - - - // Facade - template <typename I> - mln_concrete(I) immerse(const Image<I>& ima_) + template <typename I, typename V> + mln_concrete(I) + immerse(const Image<I>& ima, const V& new_type) { trace::entering("mln::world::k1::immerse"); - mln_precondition(exact(ima_).is_valid()); - const I& ima = exact(ima_); + mln_precondition(exact(ima).is_valid()); - mln_concrete(I) output(internal::domain_from_K0(ima.domain())); - - mln_piter(I) p(ima.domain()); - for_all(p) - output(internal::immerse_point(p)) = ima(p); + mln_concrete(I) output = kn::immerse(ima, 1, V()); trace::exiting("mln::world::k1::immerse"); return output; } + + template <typename I> + mln_concrete(I) + immerse(const Image<I>& ima) + { + typedef mln_value(I) V; + return immerse(ima, V()); + } + # endif // ! MLN_INCLUDE_ONLY } // end of namespace mln::world::k1 diff --git a/milena/mln/world/k2/convert_on_access.hh b/milena/mln/world/k2/convert_on_access.hh new file mode 100644 index 0000000..4c9ab20 --- /dev/null +++ b/milena/mln/world/k2/convert_on_access.hh @@ -0,0 +1,126 @@ +// 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 Fill 1 faces in a K2 2D image using its 2 faces. + +#ifndef MLN_WORLD_K2_CONVERT_ON_ACCESS_HH +# define MLN_WORLD_K2_CONVERT_ON_ACCESS_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k2/is_non_primary_face_vertical.hh> +# include <mln/world/k2/is_non_primary_face_horizontal.hh> +# include <mln/world/k2/convert_on_access.hh> + +# include <mln/value/int_u8.hh> +# include <mln/value/intsub.hh> + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + using namespace mln::value; + + template <unsigned n> + void convert_on_access(const intsub<n>& from, intsub<n/2>& to); + + template <unsigned n> + void convert_on_access(const int_u8& from, intsub<n>& to); + + template <unsigned n> + void convert_on_access(const int_u8& from, interval<intsub<n> >& to); + + template <unsigned n> + void convert_on_access(const interval<intsub<n> >& from, int& to); + + template <unsigned n> + void convert_on_access(const interval<intsub<n> >& from, value::int_u8& to); + + template <typename T, typename U> + void convert_on_access(const T& from, U& to); + + +#ifndef MLN_INCLUDE_ONLY + + template <unsigned n> + void convert_on_access(const intsub<n/2>& from, intsub<n>& to) + { + to = from.to_int(); + } + + template <unsigned n> + void convert_on_access(const int_u8& from, intsub<n>& to) + { + to = from.to_equiv(); + } + + template <unsigned n> + void convert_on_access(const int_u8& from, interval<intsub<n> >& to) + { + to = intsub<n>(from.to_interop()); + } + + template <unsigned n> + void convert_on_access(const interval<intsub<n> >& from, int& to) + { + mln_precondition(from.is_degenerated()); + to = from.first(); + } + + template <unsigned n> + void convert_on_access(const interval<intsub<n> >& from, value::int_u8& to) + { + mln_precondition(from.is_degenerated()); + to = from.first(); + } + + template <unsigned n> + void convert_on_access(const interval<intsub<n> >& from, intsub<n/2>& to) + { + mln_precondition(from.is_degenerated()); + to = from.first().to_interop(); + } + + template <typename T, typename U> + void convert_on_access(const T& from, U& to) + { + to = static_cast<U>(from); + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_CONVERT_ON_ACCESS_HH diff --git a/milena/mln/world/k2/fill_0_from_1_faces.hh b/milena/mln/world/k2/fill_0_from_1_faces.hh new file mode 100644 index 0000000..5f4830e --- /dev/null +++ b/milena/mln/world/k2/fill_0_from_1_faces.hh @@ -0,0 +1,114 @@ +// 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 Fill 1 faces in a K2 2D image using its 2 faces. + +#ifndef MLN_WORLD_K2_FILL_0_FROM_1_FACES_HH +# define MLN_WORLD_K2_FILL_0_FROM_1_FACES_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_0_face.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /*! \brief Fill 1 faces in a K2 2D image using its 2 faces. + + \param[in,out] inout A 2D image immersed in K2. + \param[in,out] accu An accumulator. + + This function use the following neighborhoods: + + * In case of vertical 1 faces: + + \verbatim + x | x + \endverbatim + + * In case of horizontal 1 face: + + \verbatim + x + - + x + \endverbatim + + */ + template <typename I, typename A> + void fill_0_from_1_faces(Image<I>& inout, + const Accumulator<A>& accu); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + + template <typename I, typename A> + void fill_0_from_1_faces(Image<I>& inout_, + const Accumulator<A>& accu_) + { + trace::entering("mln::world::k2::fill_0_from_1_faces"); + + mln_precondition(exact(inout_).is_valid()); + I& inout = exact(inout_); + (void) accu_; + + A accu = A(); + mln_piter(I) p(inout.domain()); + for_all(p) + if (k1::is_0_face(p)) + { + accu.init(); + accu.take(inout(p + left)); + accu.take(inout(p + right)); + accu.take(inout(p + up)); + accu.take(inout(p + down)); + inout(p) = accu.to_result(); + } + + trace::exiting("mln::world::k2::fill_0_from_1_faces"); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_FILL_0_FROM_1_FACES_HH diff --git a/milena/mln/world/k2/fill_1_from_2_faces.hh b/milena/mln/world/k2/fill_1_from_2_faces.hh new file mode 100644 index 0000000..5e242d2 --- /dev/null +++ b/milena/mln/world/k2/fill_1_from_2_faces.hh @@ -0,0 +1,118 @@ +// 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 Fill 1 faces in a K2 2D image using its 2 faces. + +#ifndef MLN_WORLD_K2_FILL_1_FROM_2_FACES_HH +# define MLN_WORLD_K2_FILL_1_FROM_2_FACES_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_1_face_vertical.hh> +# include <mln/world/k1/is_1_face_horizontal.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /*! \brief Fill 1 faces in a K2 2D image using its 2 faces. + + \param[in,out] inout A 2D image immersed in K2. + \param[in,out] accu An accumulator. + + This function use the following neighborhoods: + + * In case of vertical 1 faces: + + \verbatim + x | x + \endverbatim + + * In case of horizontal 1 face: + + \verbatim + x + - + x + \endverbatim + + */ + template <typename I, typename A> + void fill_1_from_2_faces(Image<I>& inout, const Accumulator<A>& accu); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + + template <typename I, typename A> + void fill_1_from_2_faces(Image<I>& inout_, const Accumulator<A>& accu_) + { + trace::entering("mln::world::k2::fill_1_from_2_faces"); + + mln_precondition(exact(inout_).is_valid()); + I& inout = exact(inout_); + (void) accu_; + + A accu = A(); + mln_piter(I) p(inout.domain()); + for_all(p) + if (k1::is_1_face_vertical(p)) + { + accu.init(); + accu.take(inout(p + left)); + accu.take(inout(p + right)); + inout(p) = accu.to_result(); + } + else if (k1::is_1_face_horizontal(p)) + { + accu.init(); + accu.take(inout(p + up)); + accu.take(inout(p + down)); + inout(p) = accu.to_result(); + } + + trace::exiting("mln::world::k2::fill_1_from_2_faces"); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_FILL_1_FROM_2_FACES_HH diff --git a/milena/mln/world/k2/fill_non_primary_from_primary_faces.hh b/milena/mln/world/k2/fill_non_primary_from_primary_faces.hh new file mode 100644 index 0000000..bc7509f --- /dev/null +++ b/milena/mln/world/k2/fill_non_primary_from_primary_faces.hh @@ -0,0 +1,212 @@ +// 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 Fill 1 faces in a K2 2D image using its 2 faces. + +#ifndef MLN_WORLD_K2_FILL_NON_PRIMARY_FROM_PRIMARY_FACES_HH +# define MLN_WORLD_K2_FILL_NON_PRIMARY_FROM_PRIMARY_FACES_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k2/is_non_primary_face_vertical.hh> +# include <mln/world/k2/is_non_primary_face_horizontal.hh> +# include <mln/world/k2/is_non_primary_face_cross.hh> +# include <mln/world/k2/convert_on_access.hh> + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /*! \brief Fill non-primary 2-faces in a K2 2D image using + * primary 2-faces. + + \param[in,out] inout A 2D image immersed in K2. + \param[in,out] accu An accumulator. + + This function use the following neighborhoods: + + * In case of vertical non-primary 2-faces: + + \verbatim + x o x + \endverbatim + + * In case of horizontal non-primary 2-face: + + \verbatim + x + o + x + \endverbatim + + * In case of cross non-primary 2-face: + + \verbatim + x x + o + x x + \endverbatim + + */ + /// \overload + template <typename I, typename A> + void fill_non_primary_from_primary_faces(Image<I>& inout, + const Accumulator<A>& accu); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + template <typename I, typename A> + void fill_non_primary_from_primary_faces(Image<I>& inout_, + F& functor_) + { + trace::entering("mln::world::k2::fill_non_primary_from_primary_faces"); + + mln_precondition(exact(inout_).is_valid()); + I& inout = exact(inout_); + (void) accu_; + typedef typename A::argument V; + + A& accu = exact(accu_); + + mln_piter(I) p(inout.domain()); + for_all(p) + if (is_non_primary_face_vertical(p)) + { + accu.init(); + V tmp1, tmp2; + + convert_on_access(inout(p + 2 * left), tmp1); + convert_on_access(inout(p + 2 * right), tmp2); + convert_on_access(f(tmp1, tmp2), inout(p)); + } + else if (is_non_primary_face_horizontal(p)) + { + accu.init(); + V tmp1, tmp2; + + convert_on_access(inout(p + 2 * up), tmp1); + convert_on_access(inout(p + 2 * down), tmp2); + convert_on_access(f(tmp1, tmp2), inout(p)); + } + else if (is_non_primary_face_cross(p)) + { + accu.init(); + V tmp1, tmp2, tmp3, tmp4; + + convert_on_access(inout(p + 2 * up_left), tmp1); + convert_on_access(inout(p + 2 * up_right), tmp2); + convert_on_access(inout(p + 2 * down_left), tmp3); + convert_on_access(inout(p + 2 * down_right), tmp4); + convert_on_access(f(tmp1, tmp2, tmp3, tmp4), inout(p)); + } + + trace::exiting("mln::world::k2::fill_non_primary_from_primary_faces"); + } + + + template <typename I, typename A> + void fill_non_primary_from_primary_faces(Image<I>& inout_, + Accumulator<A>& accu_) + { + trace::entering("mln::world::k2::fill_non_primary_from_primary_faces"); + + mln_precondition(exact(inout_).is_valid()); + I& inout = exact(inout_); + (void) accu_; + typedef typename A::argument V; + + A& accu = exact(accu_); + + mln_piter(I) p(inout.domain()); + for_all(p) + if (is_non_primary_face_vertical(p)) + { + accu.init(); + V tmp; + + convert_on_access(inout(p + 2 * left), tmp); + accu.take(tmp); + + convert_on_access(inout(p + 2 * right), tmp); + accu.take(tmp); + + convert_on_access(accu.to_result(), inout(p)); + } + else if (is_non_primary_face_horizontal(p)) + { + accu.init(); + V tmp; + + convert_on_access(inout(p + 2 * up), tmp); + accu.take(tmp); + + convert_on_access(inout(p + 2 * down), tmp); + accu.take(tmp); + + convert_on_access(accu.to_result(), inout(p)); + } + else if (is_non_primary_face_cross(p)) + { + accu.init(); + V tmp; + + convert_on_access(inout(p + 2 * up_left), tmp); + accu.take(tmp); + + convert_on_access(inout(p + 2 * up_right), tmp); + accu.take(tmp); + + convert_on_access(inout(p + 2 * down_left), tmp); + accu.take(tmp); + + convert_on_access(inout(p + 2 * down_right), tmp); + accu.take(tmp); + + convert_on_access(accu.to_result(), inout(p)); + } + + trace::exiting("mln::world::k2::fill_non_primary_from_primary_faces"); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_FILL_NON_PRIMARY_FROM_PRIMARY_FACES_HH diff --git a/milena/mln/world/k2/immerse.hh b/milena/mln/world/k2/immerse.hh new file mode 100644 index 0000000..eb6ba30 --- /dev/null +++ b/milena/mln/world/k2/immerse.hh @@ -0,0 +1,127 @@ +// 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 Immerse a 2D image into K2. + +#ifndef MLN_WORLD_K2_IMMERSE_HH +# define MLN_WORLD_K2_IMMERSE_HH + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/box.hh> +# include <mln/core/alias/point2d.hh> + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /*! \brief Immerse a 2D image into K2. + + \verbatim + + -1 0 1 2 3 + 0 1 -1 . - . - . + 0 o o 0 | o | o | + 1 o o -> 1 . - . - . + 2 | o | o | + 3 . - . - . + + \endverbatim + + */ + template <typename I> + mln_concrete(I) immerse(const Image<I>& ima); + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + /// Return the equivalent point in K2 from a point in K0. + inline + point2d immerse_point(const point2d& p) + { + point2d tmp(4 * p.row(), 4 * p.col()); + return tmp; + } + + /// \brief Return the equivalent domain in K2 from a domain in + /// K0. + template <typename B> + inline + B domain_from_K0(const Box<B>& b_) + { + mln_precondition(exact(b_).is_valid()); + const B& b = exact(b_); + + mln_deduce(B, site, delta) one; + one.set_all(1); + return B(immerse_point(b.pmin()) - one, immerse_point(b.pmax()) + one); + } + + } // end of namespace mln::world::k2::internal + + + + // Facade + + template <typename I> + mln_concrete(I) immerse(const Image<I>& ima_) + { + trace::entering("mln::world::k2::immerse"); + mln_precondition(exact(ima_).is_valid()); + const I& ima = exact(ima_); + + mln_concrete(I) output(internal::domain_from_K0(ima.domain())); + + mln_piter(I) p(ima.domain()); + for_all(p) + { + output(internal::immerse_point(p)) = ima(p); + output(internal::immerse_point(p) + 2 * right) = ima(p); + output(internal::immerse_point(p) + 2 * down) = ima(p); + output(internal::immerse_point(p) + 2 * down_right) = ima(p); + } + + trace::exiting("mln::world::k2::immerse"); + return output; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IMMERSE_HH diff --git a/milena/mln/world/k2/immerse_with.hh b/milena/mln/world/k2/immerse_with.hh new file mode 100644 index 0000000..bc8e8ad --- /dev/null +++ b/milena/mln/world/k2/immerse_with.hh @@ -0,0 +1,173 @@ +// 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 Immerse a 2D image into K2. + +#ifndef MLN_WORLD_K2_IMMERSE_HH +# define MLN_WORLD_K2_IMMERSE_HH + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/box.hh> +# include <mln/core/alias/point2d.hh> +# include <mln/value/interval.hh> +# include <mln/fun/vv2v/span.hh> +# include <mln/fun/vvvv2v/span.hh> + +# include <mln/world/k1/fill_0_from_1_faces.hh> +# include <mln/world/k1/fill_1_from_2_faces.hh> + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /*! \brief Immerse a 2D image into K2. + + \verbatim + + -1 0 1 2 3 + 0 1 -1 . - . - . + 0 o o 0 | o | o | + 1 o o -> 1 . - . - . + 2 | o | o | + 3 . - . - . + + \endverbatim + + */ + template <typename I> + mln_concrete(I) immerse(const Image<I>& ima); + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + /// Return the equivalent point in K2 from a point in K0. + inline + point2d immerse_point(const point2d& p) + { + point2d tmp(4 * p.row(), 4 * p.col()); + return tmp; + } + + /// \brief Return the equivalent domain in K2 from a domain in + /// K0. + template <typename B> + inline + B domain_from_K0(const Box<B>& b_) + { + mln_precondition(exact(b_).is_valid()); + const B& b = exact(b_); + + mln_deduce(B, site, delta) one; + one.set_all(1); + return B(immerse_point(b.pmin()) - one, immerse_point(b.pmax()) + one); + } + + } // end of namespace mln::world::k2::internal + + + + // Facade + + template <typename I, typename F2, typename F4> + mln_ch_value(I, value::interval<mln_result(F4)>) + immerse_with(const Image<I>& ima_, + Function_vv2v<F2>& f2_, Function_vvvv2v<F4>& f4_) + { + trace::entering("mln::world::k2::immerse_with"); + mln_precondition(exact(ima_).is_valid()); + const I& ima = exact(ima_); + const F2& f2 = exact(f2_); + const F4& f4 = exact(f4_); + + // FIXME: how to initialize the border... ? + // border::fill(ima, 0); + + typedef mln_result(F4) V; + typedef value::interval<V> VOUT; + mln_ch_value(I,VOUT) + output(internal::domain_from_K0(ima.domain())); + + // Filling 2-Faces + mln_piter(I) p(ima.domain()); + for_all(p) + { + // .-.- + // ab |x|*| -> a + // cd -> .-.-. + // |*|*| + // .-.-. + output(internal::immerse_point(p)) = ima(p); + + // .-.- + // ab |*|x| -> f2(a,b) + // cd -> .-.-. + // |*|*| + // .-.-. + output(internal::immerse_point(p) + 2 * right) = f2(ima(p), ima(p + right)); + + // .-.- + // ab |*|*| + // cd -> .-.-. + // |x|*| -> f2(a,c) + // .-.-. + output(internal::immerse_point(p) + 2 * down) = f2(ima(p), ima(p + down)); + + // .-.- + // ab |*|*| + // cd -> .-.-. + // |*|x| -> f4(a,b,c,d) + // .-.-. + output(internal::immerse_point(p) + 2 * down_right) + = f4(ima(p), ima(p + right), ima(p + down), ima(p + down_right)); + } + + fun::vv2v::span<V> span2; + k1::fill_1_from_2_faces(output, span2); + fun::vvvv2v::span<V> span4; + k1::fill_0_from_1_faces(output, span4); + + trace::exiting("mln::world::k2::immerse_with"); + return output; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IMMERSE_HH diff --git a/milena/mln/world/k2/is_non_primary_face.hh b/milena/mln/world/k2/is_non_primary_face.hh new file mode 100644 index 0000000..2088040 --- /dev/null +++ b/milena/mln/world/k2/is_non_primary_face.hh @@ -0,0 +1,83 @@ +// 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 Check if site is a non-primary face. + +#ifndef MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HH +# define MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_2_face.hh> +# include <mln/world/k2/is_primary_face.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /// \brief Check if site is a non-primary face + bool is_non_primary_face(const point2d& p); + + + /// \overload + bool is_non_primary_face(const mln::def::coord& row, + const mln::def::coord& col); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + inline + bool is_non_primary_face(const point2d& p) + { + return is_non_primary_face(p.row(), p.col()); + } + + inline + bool is_non_primary_face(const mln::def::coord& row, + const mln::def::coord& col) + { + return k1::is_2_face(row, col) && !is_primary_face(row, col); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HH diff --git a/milena/mln/world/k2/is_non_primary_face_cross.hh b/milena/mln/world/k2/is_non_primary_face_cross.hh new file mode 100644 index 0000000..fad4c23 --- /dev/null +++ b/milena/mln/world/k2/is_non_primary_face_cross.hh @@ -0,0 +1,88 @@ +// 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 Check if site is a cross non-primary face. + +#ifndef MLN_WORLD_K2_IS_NON_PRIMARY_FACE_CROSS_HH +# define MLN_WORLD_K2_IS_NON_PRIMARY_FACE_CROSS_HH + +# include <mln/core/alias/point2d.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /// \brief Check if site is a cross non-primary face + /// + /// |a| |b| + /// .-.-.-. + /// | |x| | + /// .-.-.-. + /// |c| |d| + /// + bool is_non_primary_face_cross(const point2d& p); + + + /// \overload + bool is_non_primary_face_cross(const mln::def::coord& row, + const mln::def::coord& col); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + inline + bool is_non_primary_face_cross(const point2d& p) + { + return is_non_primary_face_cross(p.row(), p.col()); + } + + inline + bool is_non_primary_face_cross(const mln::def::coord& row, + const mln::def::coord& col) + { + return (row % 4 == 2) && (col % 4 == 2); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IS_NON_PRIMARY_FACE_CROSS_HH diff --git a/milena/mln/world/k2/is_non_primary_face_horizontal.hh b/milena/mln/world/k2/is_non_primary_face_horizontal.hh new file mode 100644 index 0000000..3a65995 --- /dev/null +++ b/milena/mln/world/k2/is_non_primary_face_horizontal.hh @@ -0,0 +1,83 @@ +// 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 Check if site is a horizontal non-primary face. + +#ifndef MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HORIZONTAL_HH +# define MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HORIZONTAL_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_2_face.hh> +# include <mln/world/k2/is_non_primary_face.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /// \brief Check if site is a horizontal non-primary face + bool is_non_primary_face_horizontal(const point2d& p); + + + /// \overload + bool is_non_primary_face_horizontal(const mln::def::coord& row, + const mln::def::coord& col); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + inline + bool is_non_primary_face_horizontal(const point2d& p) + { + return is_non_primary_face_horizontal(p.row(), p.col()); + } + + inline + bool is_non_primary_face_horizontal(const mln::def::coord& row, + const mln::def::coord& col) + { + return is_non_primary_face(row, col) && ! (col % 4); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IS_NON_PRIMARY_FACE_HORIZONTAL_HH diff --git a/milena/mln/world/k2/is_non_primary_face_vertical.hh b/milena/mln/world/k2/is_non_primary_face_vertical.hh new file mode 100644 index 0000000..5fd2d24 --- /dev/null +++ b/milena/mln/world/k2/is_non_primary_face_vertical.hh @@ -0,0 +1,83 @@ +// 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 Check if site is a vertical non-primary face. + +#ifndef MLN_WORLD_K2_IS_NON_PRIMARY_FACE_VERTICAL_HH +# define MLN_WORLD_K2_IS_NON_PRIMARY_FACE_VERTICAL_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_2_face.hh> +# include <mln/world/k2/is_non_primary_face.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /// \brief Check if site is a vertical non-primary face + bool is_non_primary_face_vertical(const point2d& p); + + + /// \overload + bool is_non_primary_face_vertical(const mln::def::coord& row, + const mln::def::coord& col); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + inline + bool is_non_primary_face_vertical(const point2d& p) + { + return is_non_primary_face_vertical(p.row(), p.col()); + } + + inline + bool is_non_primary_face_vertical(const mln::def::coord& row, + const mln::def::coord& col) + { + return is_non_primary_face(row, col) && ! (row % 4); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IS_NON_PRIMARY_FACE_VERTICAL_HH diff --git a/milena/mln/world/k2/is_primary_face.hh b/milena/mln/world/k2/is_primary_face.hh new file mode 100644 index 0000000..033c7a4 --- /dev/null +++ b/milena/mln/world/k2/is_primary_face.hh @@ -0,0 +1,82 @@ +// 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 Check if site is a primary face. + +#ifndef MLN_WORLD_K2_IS_PRIMARY_FACE_HH +# define MLN_WORLD_K2_IS_PRIMARY_FACE_HH + +# include <mln/core/alias/point2d.hh> +# include <mln/world/k1/is_2_face.hh> + + +namespace mln +{ + + namespace world + { + + namespace k2 + { + + /// \brief Check if site is a primary face + bool is_primary_face(const point2d& p); + + + /// \overload + bool is_primary_face(const mln::def::coord& row, + const mln::def::coord& col); + + +# ifndef MLN_INCLUDE_ONLY + + + // Facade + + inline + bool is_primary_face(const point2d& p) + { + return is_primary_face(p.row(), p.col()); + } + + inline + bool is_primary_face(const mln::def::coord& row, + const mln::def::coord& col) + { + return !((row % 4) + (col % 4)); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_IS_PRIMARY_FACE_HH diff --git a/milena/mln/world/k2/neighb2d.hh b/milena/mln/world/k2/neighb2d.hh new file mode 100644 index 0000000..e248cef --- /dev/null +++ b/milena/mln/world/k2/neighb2d.hh @@ -0,0 +1,139 @@ +// 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 K2. + +#ifndef MLN_WORLD_K2_NEIGHB2D_HH +# define MLN_WORLD_K2_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 k2 + { + + /*! \brief Non-primary to primary faces neighborhood. + + \verbatim + o| |o + -.-.- + |x| + -.-.- + o| |o + \endverbatim + */ + const neighb2d& cross_np2p_faces(); + + /*! \brief Non-primary to primary faces neighborhood. + + \verbatim + |o| + .-. + |x| + .-. + |o| + \endverbatim + */ + const neighb2d& vertical_np2p_faces(); + + /*! \brief Non-primary to primary faces neighborhood. + + \verbatim + .-.-.-. + |o|x|o| + .-.-.-. + \endverbatim + */ + const neighb2d& horizontal_np2p_faces(); + + +# ifndef MLN_INCLUDE_ONLY + + const neighb2d& cross_np2p_faces() + { + static neighb2d it; + if (it.size() == 0) + { + static bool vals[] = { 1, 0, 0, 0, 1, + 0, 0, 0, 0, 0, + 0, 0, X, 0, 0, + 0, 0, 0, 0, 0, + 1, 0, 0, 0, 1 }; + convert::from_to(vals, it); + } + return it; + } + + + const neighb2d& vertical_np2p_faces() + { + static neighb2d it; + if (it.size() == 0) + { + static bool vals[] = { 0, 0, 1, 0, 0, + 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, + 0, 0, 1, 0, 0 }; + convert::from_to(vals, it); + } + return it; + } + + + const neighb2d& horizontal_np2p_faces() + { + static neighb2d it; + if (it.size() == 0) + { + static bool vals[] = { 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, + 1, 0, 0, 0, 1, + 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0 }; + convert::from_to(vals, it); + } + return it; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::k2 + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_K2_NEIGHB2D_HH diff --git a/milena/mln/world/kn/immerse.hh b/milena/mln/world/kn/immerse.hh new file mode 100644 index 0000000..380b52f --- /dev/null +++ b/milena/mln/world/kn/immerse.hh @@ -0,0 +1,161 @@ +// 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 Immerse a 2D image into Kn. + +#ifndef MLN_WORLD_Kn_IMMERSE_HH +# define MLN_WORLD_Kn_IMMERSE_HH + +# include <mln/core/concept/image.hh> +# include <mln/core/concept/box.hh> +# include <mln/core/alias/point2d.hh> +# include <mln/value/interval.hh> +# include <mln/fun/vv2v/span.hh> +# include <mln/fun/vvvv2v/span.hh> + +# include <mln/world/k1/fill_0_from_1_faces.hh> +# include <mln/world/k1/fill_1_from_2_faces.hh> + +# include <mln/world/k2/convert_on_access.hh> + +namespace mln +{ + + namespace world + { + + namespace kn + { + + /*! \brief Immerse a 2D image into Kn. + + \param[in] ima 2D Image in K0. + \param[in] n Set in which space to immerse \p ima (ex: n=1 => k1). + \param[in] new_type Value type of the immersed image. + + \return A 2D image immersed in k\p n of value type \tparam V. + + \verbatim + + Example with n=1 : + + -1 0 1 2 3 + 0 1 -1 . - . - . + 0 o o 0 | o | o | + 1 o o -> 1 . - . - . + 2 | o | o | + 3 . - . - . + + \endverbatim + + */ + template <typename I, typename V> + mln_ch_value(I, V) + immerse(const Image<I>& ima_, const unsigned n, const V& new_type); + + /// \overload + template <typename I> + mln_concrete(I) + immerse(const Image<I>& ima, const unsigned n); + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + /// Return the equivalent point in Kn from a point in K0. + inline + point2d immerse_point(const point2d& p, const unsigned n) + { + point2d tmp(std::pow(2u, n) * p.row(), std::pow(2u, n) * p.col()); + return tmp; + } + + /// \brief Return the equivalent domain in Kn from a domain in + /// K0. + template <typename B> + inline + B domain_from_K0(const Box<B>& b_, const unsigned n) + { + mln_precondition(exact(b_).is_valid()); + const B& b = exact(b_); + + mln_deduce(B, site, delta) one; + one.set_all(1); + return B(immerse_point(b.pmin(), n) - one, immerse_point(b.pmax(), n) + one); + } + + } // end of namespace mln::world::kn::internal + + + + // Facade + + template <typename I, typename V> + mln_ch_value(I, V) + immerse(const Image<I>& ima_, const unsigned n, const V& new_type) + { + trace::entering("mln::world::kn::immerse_with"); + mln_precondition(exact(ima_).is_valid()); + const I& ima = exact(ima_); + (void) new_type; + + mln_ch_value(I,V) + output(internal::domain_from_K0(ima.domain(), n)); + + // Filling Primary 2-Faces + mln_piter(I) p(ima.domain()); + for_all(p) + { + V tmp; + k2::convert_on_access(ima(p), tmp); + output(internal::immerse_point(p, n)) = tmp; + } + + trace::exiting("mln::world::kn::immerse_with"); + return output; + } + + template <typename I> + mln_concrete(I) + immerse(const Image<I>& ima, const unsigned n) + { + typedef mln_value(I) V; + return immerse(ima, n, V()); + } + + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::world::kn + + } // end of namespace mln::world + +} // end of namespace mln + +#endif // ! MLN_WORLD_Kn_IMMERSE_HH -- 1.7.2.5