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The DDGPESurfclass extends the GPESurfclass, and represents a surface, which may have been allocated by GDI, the display driver, or the DDHAL. DDGPESurfobjects are usually created for all surfaces.
DDGPESurf ( int width, int height, void *pBits, int stride, EGPEFormat format ); DDGPESurf ( int width, int height, void *pBits, int stride, EGPEFormat format, EDDGPEPixelFormat pixelFormat ); DDGPESurf ( int width, int height, int stride, EGPEFormat format, EDDGPEPixelFormat pixelFormat ); DDGPESurf ( int width, int height, EGPEFormat format ); // Initialization virtual void Init ( int width, int height, void *pBits, int stride, EGPEFormat format, EDDGPEPixelFormat pixelFormat ); // Get and set associated DirectDraw surfaces virtual LPDDRAWI_DDRAWSURFACE_LCL GetDirectDrawSurface ( void ); virtual void SetDirectDrawSurface ( LPDDRAWI_DDRAWSURFACE_LCL lpDDSurface ); // Attach GPE surface to DirectDraw surface virtual void SetDDGPESurf( LPDDRAWI_DDRAWSURFACE_LCL lpDDSurface ); // Surface information virtual DWORD Bpp ( void ); virtual DWORD AlignedWidth ( void ); virtual void SetColorKey ( DWORD dwColorKey ); virtual DWORD ColorKey ( void ); virtual void SetColorKeyMask ( DWORD dwColorKeyMask ); virtual DWORD ColorKeyMask ( void ); virtual void SetColorKeyLow ( DWORD dwColorKey ); virtual DWORD ColorKeyLow ( void ); virtual void SetColorKeyHigh ( DWORD dwColorKey ); virtual DWORD ColorKeyHigh( void ); virtual EDDGPEPixelFormat PixelFormat ( void ); virtual BOOL HasAlpha ( void ); // Custom driver data virtual DDGPEDriverData* GetDriverData ( void ); virtual void SetDriverData ( DDGPEDriverData*pDriverData ); // Custom driver identifier virtual GUID GetDriverGUID ( void ); virtual void SetDriverGUID ( GUID guidDriverGUID ); // Surface operations static void DeleteSurface ( LPDDRAWI_DDRAWSURFACE_LCL lpDDSurface ); static DDGPESurf* GetDDGPESurf ( LPDDRAWI_DDRAWSURFACE_LCL lpDDSurface ); static void Swap ( LPDDRAWI_DDRAWSURFACE_LCL s1, LPDDRAWI_DDRAWSURFACE_LCL s2 ); protected: DWORD m_dwColorKeyLowValue; DWORD m_dwColorKeyHighValue; DWORD m_dwColorKeyMask; EDDGPEPixelFormat m_ePixelFormat; public: LPDDRAWI_DDRAWSURFACE_LCL lpDDSurface; // a place for drivers to store their data DDGPEDriverData*m_pDriverData; GUID m_guidDriverGUID;
Last updated on Tuesday, July 13, 2004