[Olena-patches] 874: New sparse_image class, not working yet.

Index: ChangeLog from Nicolas Ballas &lt;ballas(a)lrde.epita.fr&gt; New sparse_image class, not working yet. * oln/core/sparse: New. * oln/core/sparse/sparse_image.hh: New. sparse_image.hh | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) Index: oln/core/sparse/sparse_image.hh --- oln/core/sparse/sparse_image.hh (revision 0) +++ oln/core/sparse/sparse_image.hh (revision 0) @@ -0,0 +1,168 @@ +// Copyright (C) 2006, 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 SPARSE_IMAGE_HH_ +# define SPARSE_IMAGE_HH_ + +# include <vector> + +namespace oln +{ + // Fwd decl. + template <typename P, typename T> + struct sparse_image; + + // Super type. + template <typename P, typename T> + struct super_trait_< sparse_image<P, T> > + { + typedef sparse_image<P, T> current; + typedef internal::primitive_image_<current> ret; + }; + + // Virtual types + template <typename P, typename T> + struct vtypes< sparse_image<P, T> > + { + typedef T value; + typedef const T& rvalue; + typedef T& lvalue; + + typedef P point; + typedef typename P::coord coord; + + typedef rle_psite<P> psite; + + typedef rle_pset<point> pset; + + //FIXME: + typedef mlc::none plain; + + typedef std::pair< pset, std::map<point, std::vector<value> > > data; + }; + + template < typename P, typename T> + class sparse_image : public internal::primitive_image_< sparse_image<P, T> > + { + typedef sparse_image<P, T> current; + typedef internal::primitive_image_< sparse_image<P, T> > super; + public: + stc_using(pset); + stc_using(box); + stc_using(point); + stc_using(value); + stc_using(rvalue); + stc_using(lvalue); + stc_using(psite); + stc_using(data); + + sparse_image(); + + pset impl_points() const; + box impl_bbox() const; + bool impl_has(const point& p) const; + bool impl_owns_(const psite& p) const; + void insert(const point& p, unsigned len, const std::vector<value>& val); + rvalue impl_read(const psite& p) const; + lvalue impl_read_write(const psite& p); + + }; + +# ifndef OLN_INCLUDE_ONLY + + + template <typename P, typename T> + sparse_image<P, T>::sparse_image() + { + this->data_ = new data; + } + + template <typename P, typename T> + typename sparse_image<P, T>::pset + sparse_image<P, T>::impl_points() const + { + return this->data_->first; + } + + template <typename P, typename T> + typename sparse_image<P, T>::box + sparse_image<P, T>::impl_bbox() const + { + return this->data_->first.bbox(); + } + + template <typename P, typename T> + bool + sparse_image<P, T>::impl_has(const typename sparse_image<P, T>::point& p) const + { + return this->data_->first.has(p); + } + + template <typename P, typename T> + bool + sparse_image<P, T>::impl_owns_(const typename sparse_image<P, T>::psite& p) const + { + return this->data_->first.has(p.start_); + } + + template <typename P, typename T> + void + sparse_image<P, T>::insert(const point& p, unsigned len, const std::vector<typename sparse_image<P, T>::value>& val) + { + this->data_->first.insert(p, len); + this->data_->second[p] = val; + } + + template <typename P, typename T> + typename sparse_image<P, T>::rvalue + sparse_image<P, T>::impl_read(const sparse_image<P, T>::psite& ps) const + { + typename std::map<point, value>::const_iterator irun; + + irun = this->data_->second.find(ps.start_); + assert(irun != this->data_->second.end() && ps.index_ < this->data_->first.range_len_(ps.start_)); + return irun->second[ps.index_]; + } + + template <typename P, typename T> + typename sparse_image<P, T>::lvalue + sparse_image<P, T>::impl_read_write(const sparse_image<P, T>::psite& ps) + { + typename std::map<point, value>::const_iterator irun; + + irun = this->data_->second.find(ps.start_); + assert(irun != this->data_->second.end() && ps.index_ < this->data_->first.range_len_(ps.start_)); + return irun->second[ps.index_]; + } + + +# endif /* !OLN_INCLUDE_ONLY */ + + +} // end of namespace oln + +#endif /* !SPARSE_IMAGE_HH_ */