 Important: |
|---|
| This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist. |
The DDHAL_UPDATEOVERLAYDATAstructure contains information necessary for updating an overlay surface. This structure passes the information to the DirectDraw HAL UpdateOverlaycallback function.
typedef struct _DDHAL_UPDATEOVERLAYDATA {
LPDDRAWI_DIRECTDRAW_GBL
lpDD
;
LPDDRAWI_DDRAWSURFACE_LCL
lpDDDestSurface
;
RECTL
rDest
;
LPDDRAWI_DDRAWSURFACE_LCL
lpDDSrcSurface
;
RECTL
rSrc
;
DWORD
dwFlags
;
DDOVERLAYFX
overlayFX
;
HRESULT
ddRVal
;
LPDDHALSURFCB_UPDATEOVERLAY
UpdateOverlay
;
} DDHAL_UPDATEOVERLAYDATA;
Members
- lpDD
- Pointer to the DDRAWI_DIRECTDRAW_GBLstructure that represents the DirectDraw object.
- lpDDDestSurface
- Pointer to the DDRAWI_DDRAWSURFACE_LCLstructure that represents the surface that is being overlaid.
- rDest
- Pointer to a RECTstructure that contains the x, y, width, and height of the region on the destination surface.
- lpDDSrcSurface
- Pointer to the DDRAWI_DDRAWSURFACE_LCLstructure that represents the DirectDraw overlay surface.
- rSrc
- Pointer to a RECTstructure that contains the x, y, width, and height of the region on the source surface.
- dwFlags
- Overlay FX control flags.
Flag Usage DDOVERFX_ARITHSTRETCHY If stretching, use arithmetic stretching along the y-axis for this overlay. DDOVERFX_MIRRORLEFTRIGHT Mirror the overlay around the vertical axis. DDOVERFX_MIRRORUPDOWN Mirror the overlay around the horizontal axis. - overlayFX
- Pointer to a DDOVERLAYFXstructure that contains the overlay data.
- ddRVal
- Passes the DirectDraw return values.
- UpdateOverlay
- This member is used by DirectDraw and should not be filled in
by the driver.
Last updated on Tuesday, July 13, 2004