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

#include <itkPowImageFilter.h>

// -------------------------------------------------------------------------
cpPluginsImageArithmeticFilters::PowImageFilter::
PowImageFilter( )
  : Superclass( )
{
  typedef cpPlugins::DataObjects::Image _TImage;
  this->_ConfigureInput< _TImage >( "Input1", true, false );
  this->_ConfigureInput< _TImage >( "Input2", true, false );
  this->_ConfigureOutput< _TImage >( "Output" );

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

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

// -------------------------------------------------------------------------
void cpPluginsImageArithmeticFilters::PowImageFilter::
_GenerateData( )
{
  auto o = this->GetInputData( "Input1" );
  cpPlugins_Demangle_Image_ScalarPixels_AllDims_1( o, _GD0 )
    this->_Error( "Invalid input image (0)." );
}

// -------------------------------------------------------------------------
template< class _TInput1 >
void cpPluginsImageArithmeticFilters::PowImageFilter::
_GD0( _TInput1* input1 )
{
  auto input2 = this->GetInputData< _TInput1 >( "Input2" );
  if( input2 == NULL )
    this->_Error( "Incompatible second input image." );
  this->_GD1( input2, input1 );
}

// -------------------------------------------------------------------------
template< class _TInput2, class _TInput1 >
void cpPluginsImageArithmeticFilters::PowImageFilter::
_GD1( _TInput2* input2, _TInput1* input1 )
{
  typedef itk::PowImageFilter< _TInput1, _TInput2, _TInput1 > _TFilter;

  // Configure filter
  auto filter = this->_CreateITK< _TFilter >( );
  filter->SetInput1( input1 );
  filter->SetInput2( input2 );
  filter->Update( );

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

// eof - $RCSfile$

/* TODO
   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 - $RCSfile$