GDI+の初期化/終了処理[GDI+]

    // atlimage.h よりコピー

    class CInitGDIPlus

    {

    public:

        CInitGDIPlus() throw() :

            m_dwToken( 0 )

        {

        }

        CInitGDIPlus::~CInitGDIPlus() throw()

        {

            if( m_dwToken != 0 )

            {

                Gdiplus::GdiplusShutdown( m_dwToken );

            }

        }

        bool CInitGDIPlus::Init() throw()

        {

            if( m_dwToken == 0 )

            {

                Gdiplus::GdiplusStartupInput input;

                Gdiplus::GdiplusStartupOutput output;

                Gdiplus::Status status = Gdiplus::GdiplusStartup( &m_dwToken, &input, &output );

                if( status != Gdiplus::Ok )

                {

                    return( false );

                }

            }

            return( true );

        }

    private:

        ULONG_PTR m_dwToken;

    };