FrontierPredicate.ih

// IMPLEMENTATION of inline methods.

#include <cstdlib>



// Implementation of inline methods                                          //
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
DGtal::FrontierPredicate<TKSpace,TImage>::
~FrontierPredicate()
{}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
DGtal::FrontierPredicate<TKSpace,TImage>::  
FrontierPredicate( const KSpace & aSpace, const Image & anImage,
                   const Value & l1, const Value & l2 )
  : myPtrSpace( &aSpace ), myPtrImage( &anImage ),
    myLabel1( l1 ), myLabel2( l2 )
{}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
DGtal::FrontierPredicate<TKSpace,TImage>::  
FrontierPredicate( const FrontierPredicate & other )
  : myPtrSpace( other.myPtrSpace ), myPtrImage( other.myPtrImage ),
    myLabel1( other.myLabel1 ), myLabel2( other.myLabel2 )
{}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
DGtal::FrontierPredicate<TKSpace,TImage> &
DGtal::FrontierPredicate<TKSpace,TImage>::  
operator=( const FrontierPredicate & other )
{
  if ( this != &other )
    {
      myPtrSpace = other.myPtrSpace;
      myPtrImage = other.myPtrImage;
      myLabel1 = other.myLabel1;
      myLabel2 = other.myLabel2;
    }
  return *this;
}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
bool
DGtal::FrontierPredicate<TKSpace,TImage>::
operator()( const Surfel & s ) const
{
  Dimension orthDir = myPtrSpace->sOrthDir( s );
  bool orthDirect = myPtrSpace->sDirect( s, orthDir );
  SCell int_spel = myPtrSpace->sIncident( s, orthDir, orthDirect );
  Point int_p = myPtrSpace->sCoords( int_spel );
  Point out_p = int_p;
  out_p[ orthDir ] += orthDirect ? -1 : 1;
  return ( (*myPtrImage)( int_p ) == myLabel1 )
    && ( (*myPtrImage)( out_p ) == myLabel2 );
}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
void
DGtal::FrontierPredicate<TKSpace,TImage>::
selfDisplay ( std::ostream & out ) const
{
  out << "[FrontierPredicate]";
}
//-----------------------------------------------------------------------------
template <typename TKSpace, typename TImage>
inline
bool
DGtal::FrontierPredicate<TKSpace,TImage>::
isValid() const
{
    return true;
}

// Implementation of inline functions and external operators                 //

template <typename TKSpace, typename TImage>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out,
                    const FrontierPredicate<TKSpace,TImage> & object )
{
    object.selfDisplay ( out );
    return out;
}

//                                                                           //