ImageFromSet.ih

/**
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or  (at your option) any later version.
 *
 *  This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 *
 **/
 
/**
 * @file ImageFromSet.ih
 * @author David Coeurjolly (\c david.coeurjolly@liris.cnrs.fr )
 * Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
 *
 * @date 2011/03/26
 *
 * Implementation of inline methods defined in ImageFromSet.h
 *
 * This file is part of the DGtal library.
 */
 
 
//////////////////////////////////////////////////////////////////////////////
#include <cstdlib>
//////////////////////////////////////////////////////////////////////////////
 
///////////////////////////////////////////////////////////////////////////////
// IMPLEMENTATION of inline methods.
///////////////////////////////////////////////////////////////////////////////
 
 
template <typename Image>
template <typename Set>
inline
Image 
DGtal::ImageFromSet<Image>::create(const Set &aSet, const Value &defaultValue,
           const bool addBorder,
           typename Set::ConstIterator itBegin, 
           typename Set::ConstIterator itEnd,
           const bool keepSetDomain)
{
  BOOST_CONCEPT_ASSERT(( concepts::CDigitalSet<Set> ));
 
  typename Set::Point lower,upper;
  typename Set::Point dec;
  
  if (addBorder)
      dec = Set::Point::diagonal(1);
  if (!keepSetDomain)
  {
    aSet.computeBoundingBox(lower,upper);
  }
  else
  {
    lower = aSet.domain().lowerBound();
    upper = aSet.domain().upperBound();
  }
  Image image(typename Image::Domain(lower - dec ,upper + dec));
  append<Set>(image,defaultValue, itBegin, itEnd);
  
  return image;
  
}
 
 
template<typename Image>
template<typename Set>
inline
void 
DGtal::ImageFromSet<Image>::append(Image &aImage, const Value &defaultValue,
           typename Set::ConstIterator itBegin, 
           typename Set::ConstIterator itEnd)
{
  BOOST_CONCEPT_ASSERT(( concepts::CDigitalSet<Set> ));
 
  typename Image::Domain domain = aImage.domain();
 
  for( ; itBegin != itEnd;  ++itBegin)
    if (domain.isInside( *itBegin))
      aImage.setValue( *itBegin, defaultValue);
}