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DDOVERLAYFX (Compact 2013)

  • 项目

3/26/2014

This structure passes override information to the IDirectDrawSurface::UpdateOverlay method.

Syntax

typedef struct _DDOVERLAYFX{ 
  DWORD dwSize; 
  DWORD dwAlphaConstBitDepth; 
  DWORD dwAlphaConst; 
  DDCOLORKEY dckDestColorkey; 
  DDCOLORKEY dckSrcColorkey; 
} DDOVERLAYFX,FAR *LPDDOVERLAYFX;

Members

  • dwSize
    Size of the structure, in bytes.

    This member must be initialized before the structure is used.

  • dwAlphaConstBitDepth
    Bit depth used to specify the alpha constant.
  • dwAlphaConst
    Constant to use as the alpha channel.
  • dckDestColorkey
    Destination color key override.
  • dckSrcColorkey
    Source color key override.

Requirements

Header

ddraw.h

See Also

Reference

DirectDraw Structures
DirectDraw Reference

Other Resources

DirectDraw