// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================
#ifndef __fpa__Common__Image__PolyLineParametricPathReader__h__
#define __fpa__Common__Image__PolyLineParametricPathReader__h__

#include <itkProcessObject.h>

namespace fpa
{
  namespace Common
  {
    namespace Image
    {
      /**
       */
      template< class _TPath >
      class PolyLineParametricPathReader
        : public itk::ProcessObject
      {
      public:
        // Basic types
        typedef PolyLineParametricPathReader    Self;
        typedef itk::ProcessObject              Superclass;
        typedef itk::SmartPointer< Self >       Pointer;
        typedef itk::SmartPointer< const Self > ConstPointer;

        typedef _TPath TPath;

      public:
        itkNewMacro( Self );
        itkTypeMacro( PolyLineParametricPathReader, itk::ProcessObject );

        itkGetConstMacro( FileName, std::string );
        itkSetMacro( FileName, std::string );

      public:
        TPath* GetOutput( );
        TPath* GetOutput( unsigned int i );

        virtual void GraftOutput( itk::DataObject* out );
        virtual void GraftOutput(
          const typename Superclass::DataObjectIdentifierType& key,
          itk::DataObject* out
          );
        virtual void GraftNthOutput( unsigned int i, itk::DataObject* out );
        virtual itk::DataObject::Pointer MakeOutput(
          itk::ProcessObject::DataObjectPointerArraySizeType i
          ) override;

        virtual void Update( ) override
          { this->GenerateData( ); }

      protected:
        PolyLineParametricPathReader( );
        virtual ~PolyLineParametricPathReader( );

        virtual void GenerateData( ) override;

        // Do nothing
        virtual void GenerateOutputInformation( ) override
          { }

      private:
        // Purposely not implemented
        PolyLineParametricPathReader( const Self& );
        void operator=( const Self& );

      protected:
        std::string m_FileName;
      };

    } // ecapseman

  } // ecapseman

} // ecapseman

#ifndef ITK_MANUAL_INSTANTIATION
#  include <fpa/Common/Image/PolyLineParametricPathReader.hxx>
#endif // ITK_MANUAL_INSTANTIATION
#endif // __fpa__Common__Image__PolyLineParametricPathReader__h__

// eof - $RCSfile$