FunctorOnCells.h

 
#pragma once

 
#if defined(FunctorOnCells_RECURSES)
#error Recursive header files inclusion detected in FunctorOnCells.h
#else // defined(FunctorOnCells_RECURSES)
#define FunctorOnCells_RECURSES
 
#if !defined FunctorOnCells_h
#define FunctorOnCells_h

// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/base/Alias.h"
#include "DGtal/base/ConstAlias.h"
 
#include "DGtal/kernel/CSpace.h"
#include "DGtal/kernel/CPointFunctor.h"

 
namespace DGtal
{

  // template class FunctorOnCells
  template <typename TFunctorOnPoints, typename TKSpace>
  class FunctorOnCells
  {
    // ----------------------- Standard services ------------------------------
  public:
 
    typedef FunctorOnCells<TFunctorOnPoints, TKSpace> Self;
    typedef TFunctorOnPoints FunctorOnPoints;
    typedef TKSpace KSpace;
    typedef int Quantity;
    typedef typename FunctorOnPoints::Point Point;
    typedef typename FunctorOnPoints::Value Value;
    typedef typename KSpace::SCell Cell;
 
    BOOST_CONCEPT_ASSERT(( concepts::CPointFunctor< FunctorOnPoints > ));
    //BOOST_CONCEPT_ASSERT(( CSpace< KSpace > ));

    FunctorOnCells (  Alias< FunctorOnPoints > functor, ConstAlias< KSpace > kspace )
      : f(&functor),
        myKSpace(&kspace)
    {}

    FunctorOnCells ( const FunctorOnCells & other )
      : f( other.f ), myKSpace( other.myKSpace )
    {}

    ~FunctorOnCells();
 
 
    // ----------------------- Interface --------------------------------------
  public:
    Quantity operator()( const Cell & aCell ) const
    {
      return ( f->operator()( myKSpace->sCoords(aCell) ) == NumberTraits< Value >::ZERO ) ? NumberTraits<Quantity>::ZERO : NumberTraits<Quantity>::ONE;
    }

    void selfDisplay ( std::ostream & out ) const;

    bool isValid() const;

    FunctorOnCells & operator= ( const FunctorOnCells & other )
    {
      if( this != &other )
        {
          f = other.f;
          myKSpace = other.myKSpace;
        }
      return *this;
    }

    const KSpace& space() const
    {
      return *myKSpace;
    }
 
    // ------------------------- Protected Data ------------------------------
  private:
    // ------------------------- Private Data --------------------------------
  private:
    FunctorOnPoints * f;

    const KSpace * myKSpace;
 
    // ------------------------- Hidden services ------------------------------
  protected:

    FunctorOnCells();
 
  private:
 
    // ------------------------- Internals ------------------------------------
  private:
 
  }; // end of class FunctorOnCells
 

  template <typename TF, typename TKS>
  std::ostream&
  operator<< ( std::ostream & out, const FunctorOnCells<TF, TKS> & object );
 
} // namespace DGtal
 

// Includes inline functions.
#include "DGtal/geometry/surfaces/FunctorOnCells.ih"
 
//                                                                           //
 
#endif // !defined FunctorOnCells_h
 
#undef FunctorOnCells_RECURSES
#endif // else defined(FunctorOnCells_RECURSES)