DDGPESurf Class Definition (Windows CE 5.0)
The DDGPESurf class extends the GPESurf class. It also represents a surface, which might have been allocated by GDI, the display driver, or the DDHAL. DDGPESurf objects are typically 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;
See Also
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