#include "RegionGrowThresholdFunction.h"

#include <cpPlugins/Image.h>
#include <fpa/Image/Functors/RegionGrowThresholdFunction.h>

// -------------------------------------------------------------------------
fpaPlugins::RegionGrowThresholdFunction::
RegionGrowThresholdFunction( )
  : Superclass( )
{
  this->_AddInput( "ReferenceImage" );
  this->_AddOutput< cpPlugins::DataObject >( "Output" );

  this->m_Parameters.ConfigureAsReal( "LowerThreshold" );
  this->m_Parameters.ConfigureAsReal( "UpperThreshold" );

  this->m_Parameters.SetReal( "LowerThreshold", 0 );
  this->m_Parameters.SetReal( "UpperThreshold", 1 );
}

// -------------------------------------------------------------------------
fpaPlugins::RegionGrowThresholdFunction::
~RegionGrowThresholdFunction( )
{
}

// -------------------------------------------------------------------------
void fpaPlugins::RegionGrowThresholdFunction::
_GenerateData( )
{
  auto image = this->GetInputData< itk::DataObject >( "ReferenceImage" );
  cpPlugins_Image_Demangle_Pixel_AllScalars     ( _GD0, image, 2 );
  else cpPlugins_Image_Demangle_Pixel_AllScalars( _GD0, image, 3 );
  else this->_Error( "No valid input image." );
}

// -------------------------------------------------------------------------
template< class _TImage >
void fpaPlugins::RegionGrowThresholdFunction::
_GD0( _TImage* image )
{
  typedef
    fpa::Image::Functors::RegionGrowThresholdFunction< _TImage >
    _TFunctor;

  auto out = this->GetOutput( "Output" );
  auto f = out->GetITK< _TFunctor >( );
  if( f == NULL )
  {
    typename _TFunctor::Pointer ptr_f = _TFunctor::New( );
    f = ptr_f.GetPointer( );
    out->SetITK( f );

  } // fi
  f->SetLowerThreshold( this->m_Parameters.GetReal( "LowerThreshold" ) );
  f->SetUpperThreshold( this->m_Parameters.GetReal( "UpperThreshold" ) );
}

// eof - $RCSfile$