#include "ThresholdImageGrowFunctionSource.h"

#include <cpPlugins/Interface/BaseProcessObjects.h>
#include <cpPlugins/Interface/Image.h>
#include <fpaPlugins/GrowFunction.h>
#include <fpa/Image/Functors/RegionGrowThresholdFunction.h>

// -------------------------------------------------------------------------
fpaPlugins::ThresholdImageGrowFunctionSource::
ThresholdImageGrowFunctionSource( )
  : Superclass( )
{
  this->_AddInput( "ReferenceImage" );
  this->_AddOutput< GrowFunction >( "Output" );

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

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

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

// -------------------------------------------------------------------------
std::string fpaPlugins::ThresholdImageGrowFunctionSource::
_GenerateData( )
{
  auto image = this->GetInputData( "ReferenceImage" );
  itk::DataObject* itk_image = NULL;
  std::string r = "";
  cpPlugins_Image_Demangle_AllScalarTypes( 2, image, itk_image, r, _GD0 );
  else cpPlugins_Image_Demangle_AllScalarTypes( 3, image, itk_image, r, _GD0 );
  else r = "fpaPlugins::ThresholdImageGrowFunctionSource: no valid reference image.";
  return( r );
}

// -------------------------------------------------------------------------
template< class I >
std::string fpaPlugins::ThresholdImageGrowFunctionSource::
_GD0( itk::DataObject* data )
{
  typedef fpa::Image::Functors::RegionGrowThresholdFunction< I > _F;

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

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

// eof - $RCSfile$