Platform SDK: DirectX

DDOVERLAYFX

The DDOVERLAYFX type passes override information to the DirectDrawSurface7.UpdateOverlay method.

type DDOVERLAYFX
    dckDestColorkey As DDCOLORKEY
    dckSrcColorkey As DDCOLORKEY
    lAlphaDestConst As Long
    lAlphaDestConstBitDepth As Long
    lAlphaEdgeBlend As Long
    lAlphaEdgeBlendBitDepth As Long
    lAlphaSrcConst As Long
    lAlphaSrcConstBitDepth As Long
    lDDFX As CONST_DDOVERFXFLAGS
    lFlags As Long
End Type
 

Members

dckDestColorkey
Destination color key override.
dckSrcColorkey
Source color key override.
lAlphaDestConst
Constant to use as the alpha channel for a destination.
lAlphaDestConstBitDepth
Bit depth used to specify the alpha constant for a destination.
lAlphaEdgeBlend
Constant to use as the alpha for an edge blend.
lAlphaEdgeBlendBitDepth
Bit depth used to specify the constant for an alpha edge blend.
lAlphaSrcConst
Constant to use as the alpha channel for a source.
lAlphaSrcConstBitDepth
Bit depth used to specify the alpha constant for a source.
lDDFX
One of the constants of the CONST_DDOVERFXFLAGS enumeration.
lFlags
Currently not used and must be set to 0.