#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->_MakeOutput< GrowFunction >( "Output" );

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

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

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

// -------------------------------------------------------------------------
std::string fpaPlugins::ThresholdImageGrowFunctionSource::
_GenerateData( )
{
  cpPlugins::Interface::Image* image =
    this->GetInput< cpPlugins::Interface::Image >( "ReferenceImage" );
  if( image == NULL )
    return( "fpaPlugins::ThresholdImageGrowFunctionSource: No input reference image." );

  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;
  typename _F::Pointer functor = _F::New( );

  // Connect output
  GrowFunction* out = this->GetOutput< GrowFunction >( "Output" );
  if( out != NULL )
  {
    out->SetITK< _F >( functor );
    return( "" );
  }
  else
    return( "fpaPlugins::ThresholdImageGrowFunctionSource: output not correctly created." );
}

// eof - $RCSfile$