#include <cpPluginsImageFilters/ResampleImageFilter.h>
#include <cpPlugins/Image.h>
#include <cpPlugins_Instances/ResamplingFilters.h>

// -------------------------------------------------------------------------
cpPluginsImageFilters::ResampleImageFilter::
ResampleImageFilter( )
  : Superclass( )
{
  this->_AddInput( "Input" );
  this->_AddOutput< cpPlugins::Image >( "Output" );
  std::vector< std::string > choices;
  choices.push_back( "float" );
  choices.push_back( "double" );
  this->m_Parameters.ConfigureAsChoices( "ScalarType", choices );
  this->m_Parameters.SetSelectedChoice( "ScalarType", "float" );
}

// -------------------------------------------------------------------------
cpPluginsImageFilters::ResampleImageFilter::
~ResampleImageFilter( )
{
}

// -------------------------------------------------------------------------
void cpPluginsImageFilters::ResampleImageFilter::
_GenerateData( )
{
  auto image = this->GetInputData< itk::DataObject >( "Input" );
  cpPlugins_Image_Demangle_Pixel_AllScalars     ( _GD0, image, 2 );
  else cpPlugins_Image_Demangle_Pixel_AllScalars( _GD0, image, 3 );
  else this->_Error( "No valid input image." );
}

// -------------------------------------------------------------------------
template< class _TImage >
void cpPluginsImageFilters::ResampleImageFilter::
_GD0( _TImage* image )
{
  if( image != NULL )
  {
    auto choice = this->m_Parameters.GetSelectedChoice( "OutputResolution" );
    if( choice == "float" )
      this->_GD1< _TImage, float >( image );
    else if( choice == "double" )
      this->_GD1< _TImage, double >( image );
    else this->_Error( "No valid scalar type." );
  }
  else
    this->_Error( "No valid input image." );
}

// -------------------------------------------------------------------------
template< class _TImage, class _TScalar >
void cpPluginsImageFilters::ResampleImageFilter::
_GD1( _TImage* image )
{
  typedef
    itk::ResampleImageFilter< _TImage, _TImage, _TScalar, _TScalar >
    _TFilter;

  if( image == NULL )
    this->_Error( "No valid input image." );

  // Configure filter
  _TFilter* filter = this->_CreateITK< _TFilter >( );
  filter->SetInput( image );

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

// eof - $RCSfile$