#include <plugins/ImageArithmeticFilters/PowImageFilter.h>
#include <cpPlugins/DataObjects/Image.h>

#include <itkPowImageFilter.h>
#include <itkBinaryFunctorImageFilter.hxx>

// -------------------------------------------------------------------------
cpPluginsImageArithmeticFilters::PowImageFilter::
PowImageFilter( )
  : Superclass( )
{
  this->_ConfigureInput< cpPlugins::DataObjects::Image >( "Input0", true, false );
  this->_ConfigureInput< cpPlugins::DataObjects::Image >( "Input1", false, false );
  this->_ConfigureOutput< cpPlugins::DataObjects::Image >( "Output" );

  this->m_Parameters.ConfigureAsReal( "Constant" );
  this->m_Parameters.SetReal( "Constant", 1 );
}

// -------------------------------------------------------------------------
cpPluginsImageArithmeticFilters::PowImageFilter::
~PowImageFilter( )
{
}

// -------------------------------------------------------------------------
void cpPluginsImageArithmeticFilters::PowImageFilter::
_GenerateData( )
{
  auto o = this->GetInputData( "Input0" );
  cpPlugins_Demangle_ImageScalars_Dims( o, _GD0 );
  else this->_Error( "Invalid input image." );
}

// -------------------------------------------------------------------------
template< class _TImage >
void cpPluginsImageArithmeticFilters::PowImageFilter::
_GD0( _TImage* image0 )
{
  typedef itk::PowImageFilter< _TImage, _TImage > _TFilter;

  // Configure filter
  auto filter = this->_CreateITK< _TFilter >( );
  filter->SetInput1( image0 );
  auto image1 = this->GetInputData< _TImage >( "Input1" );
  if( image1 == NULL )
    filter->SetConstant( this->m_Parameters.GetReal( "Constant" ) );
  else
    filter->SetInput2( image1 );
  filter->Update( );

  // Connect output
  this->GetOutput( "Output" )->SetITK( filter->GetOutput( ) );
}

// eof - $RCSfile$