[Olena-patches] 3223: Add conversion from site set to image.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Add conversion from site set to image. * mln/convert/impl/from_image_to_site_set.hh: Fix file doc. * mln/convert/impl/from_site_set_to_image.hh: New. * mln/convert/impl/all.hh: Update. * mln/convert/from_to.hh (from_to_dispatch): New overload. * mln/convert/from_to.hxx (from_to_): New fwd declaration. * tests/convert/impl: New directory. * tests/convert/impl/from_site_set_to_image.cc: New. mln/convert/from_to.hh | 12 +++ mln/convert/from_to.hxx | 6 + mln/convert/impl/all.hh | 1 mln/convert/impl/from_image_to_site_set.hh | 2 mln/convert/impl/from_site_set_to_image.hh | 92 +++++++++++++++++++++++++++ tests/convert/impl/from_site_set_to_image.cc | 54 +++++++++++++++ 6 files changed, 166 insertions(+), 1 deletion(-) Index: mln/convert/impl/from_image_to_site_set.hh --- mln/convert/impl/from_image_to_site_set.hh (revision 3222) +++ mln/convert/impl/from_image_to_site_set.hh (working copy) @@ -28,7 +28,7 @@ #ifndef MLN_CONVERT_IMPL_FROM_IMAGE_TO_SITE_SET_HH # define MLN_CONVERT_IMPL_FROM_IMAGE_TO_SITE_SET_HH -/// \file mln/convert/from_to.hh +/// \file mln/convert/impl/from_image_to_site_set.hh /// /// General conversion procedure from an image to a site_set. /// Index: mln/convert/impl/from_site_set_to_image.hh --- mln/convert/impl/from_site_set_to_image.hh (revision 0) +++ mln/convert/impl/from_site_set_to_image.hh (revision 0) @@ -0,0 +1,92 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) +// +// 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_CONVERT_IMPL_FROM_SITE_SET_TO_IMAGE_HH +# define MLN_CONVERT_IMPL_FROM_SITE_SET_TO_IMAGE_HH + +/// \file mln/convert/impl/from_site_set_to_image.hh +/// +/// General conversion procedure from a site_set to an image. + +# include <mln/core/image/sub_image.hh> +# include <mln/geom/bbox.hh> +# include <mln/trait/image_from_grid.hh> +# include <mln/data/fill.hh> + + +namespace mln +{ + + // Forward declarations. + template <typename E> struct Site_Set; + template <typename E> struct Image; + + + namespace convert + { + + namespace impl + { + + /// Conversion of an image \p from towards a site set \p to. + template <typename S, typename I> + void + from_site_set_to_image(const Site_Set<S>& from, Image<I>& to); + + + +# ifndef MLN_INCLUDE_ONLY + + template <typename S, typename I> + inline + void + from_site_set_to_image(const Site_Set<S>& from_, Image<I>& to_) + { + const S& from = exact(from_); + I& to = exact(to_); + + box<mln_site(S)> b = geom::bbox(from); + + typedef mln_deduce(I, site, grid) G; + typedef mln_value(I) V; + mln_image_from_grid(G, V) ima(b); + data::fill(ima, false); + data::fill((ima | from).rw(), true); + + to = ima; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::convert::impl + + } // end of namespace mln::convert + +} // end of namespace mln + + +#endif // ! MLN_CONVERT_IMPL_FROM_SITE_SET_TO_IMAGE_HH Index: mln/convert/impl/all.hh --- mln/convert/impl/all.hh (revision 3222) +++ mln/convert/impl/all.hh (working copy) @@ -37,6 +37,7 @@ # include <mln/convert/impl/from_float_to_value.hh> # include <mln/convert/impl/from_image_to_site_set.hh> # include <mln/convert/impl/from_int_to_value.hh> +# include <mln/convert/impl/from_site_set_to_image.hh> # include <mln/convert/impl/from_value_to_value.hh> Index: mln/convert/from_to.hh --- mln/convert/from_to.hh (revision 3222) +++ mln/convert/from_to.hh (working copy) @@ -82,6 +82,18 @@ } + // Site_Set -> Image. + template <typename S, typename I> + inline + void + from_to_dispatch(const Site_Set<S>& from, Image<I>& to) + { + mlc_converts_to(mln_site(S), mln_site(I))::check(); // FIXME: Is it too restrictive? + mln_precondition(exact(from).is_valid()); + mln::convert::impl::from_site_set_to_image(from, to); + } + + // Value -> Value template <typename F, typename T> inline Index: mln/convert/from_to.hxx --- mln/convert/from_to.hxx (revision 3222) +++ mln/convert/from_to.hxx (working copy) @@ -341,6 +341,12 @@ from_to_(const Accumulator<A>& from, mln_result(A)& to); + + // Site_Set -> Image. + template <typename S, typename I> + void + from_to_(const Site_Set<S>& from, Image<I>& to); + // Site_Set -> std::set template <typename S, typename P, typename _C> void Index: tests/convert/impl/from_site_set_to_image.cc --- tests/convert/impl/from_site_set_to_image.cc (revision 0) +++ tests/convert/impl/from_site_set_to_image.cc (revision 0) @@ -0,0 +1,54 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) +// +// 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/convert/impl/from_site_set_to_image.cc +/// +/// Tests on mln::convert::impl::from_site_set_to_image. + +#include <mln/core/image/image2d.hh> +#include <mln/core/site_set/p_array.hh> +#include <mln/convert/from_to.hh> + +#include <mln/debug/println.hh> + + +int main() +{ + using namespace mln; + + p_array<point2d> arr; + point2d p(1,1); + arr.append(p); + dpoint2d dp[] = { right, right, down, down, left, left, up }; + for (unsigned i = 0; i < 7; ++i) + p += dp[i], arr.append(p); + + image2d<bool> ima; + convert::impl::from_site_set_to_image(arr, ima); + + // debug::println(ima); +}