// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================
#ifndef __fpa__Filters__Image__Dijkstra__hxx__
#define __fpa__Filters__Image__Dijkstra__hxx__

#include <fpa/Functors/Dijkstra/Image/Identity.h>

// -------------------------------------------------------------------------
template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
Dijkstra( )
  : Superclass( )
{
  typedef fpa::Functors::Dijkstra::Image::Identity< TInputImage, TOutputValue > _TFunc;

  this->SetWeightFunction( _TFunc::New( ) );
}

// -------------------------------------------------------------------------
template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
~Dijkstra( )
{
}

// -------------------------------------------------------------------------
template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
void fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
_ConfigureOutputs( )
{
  this->Superclass::_ConfigureOutputs( );

  const TInputImage* in = this->GetInput( );
  TMST* mst = this->GetMinimumSpanningTree( );
  mst->SetLargestPossibleRegion( in->GetLargestPossibleRegion( ) );
  mst->SetRequestedRegion( in->GetRequestedRegion( ) );
  mst->SetBufferedRegion( in->GetBufferedRegion( ) );
  mst->SetSpacing( in->GetSpacing( ) );
  mst->SetOrigin( in->GetOrigin( ) );
  mst->SetDirection( in->GetDirection( ) );
  mst->Allocate( );

  typename TVertex::OffsetType o;
  o.Fill( 0 );
  mst->FillBuffer( o );
}

#endif // __fpa__Filters__Image__Dijkstra__hxx__
// eof - $RCSfile$