DDALPHABLTFX (Compact 2013)

3/26/2014

This structure passes details about blit operations to the IDirectDrawSurface::AlphaBlt method.


typedef union _DDALPHABLTFX {
  DWORD dwSize;
  DDARGB ddargbScaleFactors;
  DWORD dwFillValue;
} DDALPHABLTFX, FAR * LPDDALPHABLTFX;

dwSize

This value contains the size of the structure.

ddargbScaleFactors

This contains the red, green, blue and alpha values used for blending surfaces with no alpha information in a packed format.

dwFillValue

This value contains the packed pixel format used to fill or blend into the surface when performing an alpha fill.

Header

ddraw.h

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