[Olena-patches] milena r1181: Add mesh_image

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-09-26 Guillaume Duhamel &lt;guillaume.duhamel(a)lrde.epita.fr&gt; Add mesh_image. * draw_mesh.hh: Update. * mesh_image.hh: New. --- draw_mesh.hh | 3 mesh_image.hh | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 188 insertions(+), 1 deletion(-) Index: trunk/milena/sandbox/duhamel/mesh_image.hh =================================================================== --- trunk/milena/sandbox/duhamel/mesh_image.hh (revision 0) +++ trunk/milena/sandbox/duhamel/mesh_image.hh (revision 1181) @@ -0,0 +1,186 @@ +// 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_MESH_IMAGE_HH +# define MLN_CORE_MESH_IMAGE_HH + +/*! \file mln/core/mesh_image.hh + * + * \brief Definition of an image class FIXME + */ + +# include <cmath> + +# include <mln/core/internal/image_identity.hh> +# include <mln/metal/vec.hh> +# include "mesh_p.hh" + +namespace mln +{ + + // Fwd decl. + template <typename P, typename V> struct mesh_image; + + namespace internal + { + + template <typename P, typename V> + struct data_< mesh_image<P, V> > + { + data_(Mesh_p<P>& ima); + + Mesh_p<P> mesh_; + std::vector<V> val_; + }; + + } // end of namespace mln::internal + + /*! \brief FIXME + * + */ + template <typename P, typename V> + struct mesh_image : public mln::internal::image_identity_< I, mln_pset(I), mesh_image<I> > + { + +// typedef mln::internal::image_identity_< I, mln_pset(I), mesh_image<I> > super_; + +// /// Point_Site associated type. +// typedef mln_psite(I) psite; + +// /// Value associated type. +// typedef mln_value(V) value; + +// /// Return type of read-write access. +// typedef mln_lvalue(V) lvalue; // FIXME: Depends on lvalue presence in I. + +// /// Return type of read-only access. +// typedef mln_rvalue(I) rvalue; + +// /// Value set associated type. +// typedef mln::value::set<value> vset; + + +// /// Skeleton. +// typedef mesh_image< tag::image_<I> > skeleton; + + + /// Constructors. + mesh_image(mesh_p& mesh, std::vector<V>& val); + mesh_image(); + + + /// Test if this image has been initialized. + bool has_data() const; + + /// Test if a pixel value is accessible at \p p. + using super_::owns_; + + /// Test if a pixel value is accessible at \p v. + bool owns_(const mln::metal::vec<I::point::dim, float>& v) const; + + /// Read-only access of pixel value at point site \p p. + /// Mutable access is only OK for reading (not writing). + using super_::operator(); + + mln_value(I) operator()(const mln::metal::vec<I::point::dim, float>& v) const; + + + /// Give the set of values of the image. + const vset& values() const; + }; + + + +# ifndef MLN_INCLUDE_ONLY + + namespace internal + { + + // internal::data_< mesh_image<I,S> > + + template <typename P, typename V> + data_< mesh_image<P, V> >::data_(I& ima) + : ima_(ima) + { + } + + } // end of namespace mln::internal + + template <typename P, typename V> + mesh_image<I>::mesh_image(I& ima) + { + mln_precondition(ima.has_data()); + this->data_ = new internal::data_< mesh_image<I> >(ima); + } + + template <typename P, typename V> + mesh_image<I>::mesh_image() + { + } + + template <typename P, typename V> + bool mesh_image<I>::has_data() const + { + mln_invariant(this->data_->ima_.has_data()); + return true; + } + + template <typename P, typename V> + bool mesh_image<I>::owns_(const mln::metal::vec<I::point::dim, float>& v) const + { + mln_point(I) p; + for (unsigned i = 0; i < I::point::dim; ++i) + p[i] = static_cast<int>(round(v[i])); + return this->data_->ima_.owns_(p); + } + + template <typename P, typename V> + mln_value(I) + mesh_image<I>::operator()(const mln::metal::vec<I::point::dim, float>& v) const + { + mln_point(I) p; + for (unsigned i = 0; i < I::point::dim; ++i) + p[i] = static_cast<int>(round(v[i])); + mln_assertion(this->data_->ima_.owns_(p)); + return this->data_->ima_(p); + } + + // FIXME : Should we remove this method? (and inherit it from + // identity morpher) + template <typename P, typename V> + const mln::value::set<mln_value(I) >& + mesh_image<I>::values() const + { + return vset::the(); + } + +# endif // ! MLN_INCLUDE_ONLY + +} // end of namespace mln + + +#endif // ! MLN_CORE_MESH_IMAGE_HH Index: trunk/milena/sandbox/duhamel/draw_mesh.hh =================================================================== --- trunk/milena/sandbox/duhamel/draw_mesh.hh (revision 1180) +++ trunk/milena/sandbox/duhamel/draw_mesh.hh (revision 1181) @@ -7,6 +7,7 @@ //# include <mln/pw/cst.hh> # include <mln/level/fill.hh> //# include <mln/metal/is_a.hh> +# include <mln/draw/line.hh> # include "mesh_p.hh" namespace mln @@ -209,7 +210,7 @@ level::fill(ima, 0); for (unsigned i = 0; i < m.gr_.nb_link_; ++i) - bresenham (exact(ima), + line (exact(ima), m.loc_[m.gr_.links_[i]->node1], m.loc_[m.gr_.links_[i]->node2], link_v);