FrontierPredicate.h

#pragma once

#if defined(FrontierPredicate_RECURSES)
#error Recursive header files inclusion detected in FrontierPredicate.h
#else // defined(FrontierPredicate_RECURSES)

#define FrontierPredicate_RECURSES

#if !defined FrontierPredicate_h

#define FrontierPredicate_h

// Inclusions
#include <iostream>
#include <boost/array.hpp>

#include "DGtal/base/Common.h"

namespace DGtal
{

  // class FrontierPredicate
  template <typename TKSpace, typename TImage>
  class FrontierPredicate
  {
    // ----------------------- public types ------------------------------
  public:
    typedef TKSpace KSpace;
    typedef TImage Image;
    typedef typename KSpace::Surfel Surfel;
    typedef typename KSpace::Point Point;
    typedef typename KSpace::SCell SCell;
    typedef typename Image::Value Value;
    // KSpace::Point same type as Image::Point
    BOOST_STATIC_ASSERT
    (( ConceptUtils::SameType< typename KSpace::Point,
       typename Image::Point>::value ));
                                                 

    // ----------------------- Standard services ------------------------------
  public:
  
    ~FrontierPredicate();
  
    FrontierPredicate( const KSpace & aSpace, const Image & anImage,
                       const Value & l1, const Value & l2 );
  
    FrontierPredicate ( const FrontierPredicate & other );

    FrontierPredicate& operator=( const FrontierPredicate & other );

    bool operator()( const Surfel & s ) const;
    
    // ----------------------- Interface --------------------------------------
  public:

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

    bool isValid() const;

    // ------------------------- Private Datas --------------------------------
  private:

    const KSpace* myPtrSpace;
    // the image of interest
    const Image* myPtrImage;
    Value myLabel1;
    Value myLabel2;

    // ------------------------- Hidden services ------------------------------
  protected:
    // ------------------------- Internals ------------------------------------
  private:

  }; // end of class FrontierPredicate


  template <typename TKSpace, typename TImage>
  std::ostream&
  operator<< ( std::ostream & out, 
               const FrontierPredicate<TKSpace,TImage> & object );


} // namespace DGtal


// Includes inline functions.
#include "DGtal/topology/helpers/FrontierPredicate.ih"

//                                                                           //

#endif // !defined FrontierPredicate_h

#undef FrontierPredicate_RECURSES
#endif // else defined(FrontierPredicate_RECURSES)