#include "MultiplyImageFilter.h"
#include <cpPlugins/Interface/Image.h>

#include <itkMultiplyImageFilter.h>

// -------------------------------------------------------------------------
cpPlugins::BasicFilters::MultiplyImageFilter::
MultiplyImageFilter( )
  : Superclass( )
{
  this->_AddInput( "Input0" );
  this->_AddInput( "Input1", false );
  this->_AddOutput< cpPlugins::Interface::Image >( "Output" );

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

// -------------------------------------------------------------------------
cpPlugins::BasicFilters::MultiplyImageFilter::
~MultiplyImageFilter( )
{
}

// -------------------------------------------------------------------------
std::string cpPlugins::BasicFilters::MultiplyImageFilter::
_GenerateData( )
{
  auto image = this->GetInputData< cpPlugins::Interface::Image >( "Input0" );
  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 cpPlugins_Image_Demangle_AllScalarTypes( 4, image, itk_image, r, _GD0 );
  else r = "MultiplyImageFilter: Input image type not supported.";
  return( r );
}

// -------------------------------------------------------------------------
template< class I >
std::string cpPlugins::BasicFilters::MultiplyImageFilter::
_GD0( itk::DataObject* image )
{
  return( this->_RealGD< I, I >( image ) );
}

// -------------------------------------------------------------------------
template< class I, class O >
inline std::string cpPlugins::BasicFilters::MultiplyImageFilter::
_RealGD( itk::DataObject* image )
{
  typedef itk::MultiplyImageFilter< I, I, O > _F;
  typedef typename I::PixelType _IP;

  // Get parameters
  _IP c = _IP( this->m_Parameters->GetReal( "Constant" ) );

  // Configure filter
  _F* filter = this->_CreateITK< _F >( );
  filter->SetInput( dynamic_cast< I* >( image ) );
  filter->SetConstant( c );
  filter->Update( );

  // Connect output
  auto out = this->GetOutputData< cpPlugins::Interface::Image >( "Output" );
  out->SetITK( filter->GetOutput( ) );
  return( "" );
}

// eof - $RCSfile$