DigitalSurfacePredicate.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
 * @author Jocelyn Meyron (\c jocelyn.meyron@liris.cnrs.fr )
 * Laboratoire d'InfoRmatique en Image et Systemes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
 *
 * @date 2020/12/07
 *
 * Implementation of inline methods defined in DigitalSurfacePredicate.h
 *
 * This file is part of the DGtal library.
 */
 
 
//////////////////////////////////////////////////////////////////////////////
#include <cstdlib>
//////////////////////////////////////////////////////////////////////////////
 
///////////////////////////////////////////////////////////////////////////////
// IMPLEMENTATION of inline methods.
///////////////////////////////////////////////////////////////////////////////
 
///////////////////////////////////////////////////////////////////////////////
// ----------------------- Standard services ------------------------------
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
DGtal::DigitalSurfacePredicate<TSurface>::
DigitalSurfacePredicate ()
{}
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
DGtal::DigitalSurfacePredicate<TSurface>::
DigitalSurfacePredicate (ConstAlias<Surface> aSurface)
    : mySurface(aSurface)
{
    buildPointSet();
}
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
DGtal::DigitalSurfacePredicate<TSurface>::
DigitalSurfacePredicate (const DigitalSurfacePredicate<TSurface>& other)
    : mySurface(other.mySurface)
{
    buildPointSet();
}
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
DGtal::DigitalSurfacePredicate<TSurface>&
DGtal::DigitalSurfacePredicate<TSurface>::operator= (const DigitalSurfacePredicate<TSurface>& other)
{
    if (this != &other)
    {
        mySurface = other.mySurface;
        buildPointSet();
    }
 
    return *this;
}
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
DGtal::DigitalSurfacePredicate<TSurface>::
~DigitalSurfacePredicate ()
{}
 
//-------------------- model of concepts::CPointPredicate -----------------------------
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
bool DGtal::DigitalSurfacePredicate<TSurface>::
operator() (Point const& aPoint) const
{
    return myPointSet.count(aPoint) > 0;
}
 
// ------------------------- Internals ------------------------------------
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
typename DGtal::DigitalSurfacePredicate<TSurface>::KSpace const&
DGtal::DigitalSurfacePredicate<TSurface>::space () const
{
    return mySurface->container().space();
}
 
//-----------------------------------------------------------------------------
template <typename TSurface>
inline
void
DGtal::DigitalSurfacePredicate<TSurface>::buildPointSet ()
{
    myPointSet.clear();
 
    // Extract all the pointels of the digital surface
    KSpace const& K = space();
    for (const auto& f: *mySurface) {
        typename KSpace::Cells faces = K.uFaces(K.unsigns(f));
 
        for (const auto& c: faces) {
            if (K.uDim(c) == 0) {
                myPointSet.insert(K.uCoords(c));
            }
        }
    }
}
 
///////////////////////////////////////////////////////////////////////////////
// Interface - public :
 
/**
 * Writes/Displays the object on an output stream.
 * @param out the output stream where the object is written.
 */
template <typename TSurface>
inline
void
DGtal::DigitalSurfacePredicate<TSurface>::selfDisplay ( std::ostream & out ) const
{
  out << "[DigitalSurfacePredicate]";
}
 
/**
 * Checks the validity/consistency of the object.
 * @return 'true' if the object is valid, 'false' otherwise.
 */
template <typename TSurface>
inline
bool
DGtal::DigitalSurfacePredicate<TSurface>::isValid() const
{
    return true;
}
 
 
 
///////////////////////////////////////////////////////////////////////////////
// Implementation of inline functions                                        //
 
template <typename TSurface>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out,
                  const DigitalSurfacePredicate<TSurface> & object )
{
  object.selfDisplay( out );
  return out;
}
 
//                                                                           //
///////////////////////////////////////////////////////////////////////////////