rem: const Char8 *suffixArray[], UInt16 suffixByteCount );
add: const Char8 *suffixArray[], UInt16 suffixByteCount, UInt32 flags );
context: OSG_BEGIN_NAMESPACE/*! \brief PNM File Handler. Used to read/write PNM files.See \ref PageSystemImage for a detailed description.*/class OSG_SYSTEMLIB_DLLMAPPING PNMImageFileType : public ImageFileType{    /*==========================  PUBLIC  =================================*/  public:    /*---------------------------------------------------------------------*/    /*! \name                   Destructor                                 */    /*! \{                                                                 */    virtual ~PNMImageFileType (void);    /*! \}                                                                 */    /*---------------------------------------------------------------------*/    /*! \name                  Get Methods                                 */    /*! \{                                                                 */    static PNMImageFileType & the (void);    /*! \}                                                                 */    /*---------------------------------------------------------------------*/    /*! \name                   Read/Write                                 */    /*! \{                                                                 */    virtual bool read  (ImagePtr &image, const Char8 *fileName);    virtual bool write (const ImagePtr &image, const Char8 *fileName);    /*! \}                                                                 */    /*=========================  PROTECTED  ===============================*/  protected:    /*---------------------------------------------------------------------*/    /*! \name               Default Constructor                            */    /*! \{                                                                 */    PNMImageFileType ( const Char8 *mimeType,                       const Char8 *suffixArray[], UInt16 suffixByteCount );    /*! \}                                                                 */    /*---------------------------------------------------------------------*/    /*! \name                Copy Constructor                              */    /*! \{                                                                 */    PNMImageFileType (const PNMImageFileType &obj);    /*! \}                                                                 */    /*==========================  PRIVATE  ================================*/  private:    typedef ImageFileType    Inherited;    static  PNMImageFileType _the;};