RGBA_SETALPHA

The RGBA_SETALPHA macro sets the alpha component of an RGBA D3DCOLOR value.

RGBA_SETALPHA(rgba, x)    (((x) << 24) | ((rgba) & 0x00ffffff)) 
 

Parameters

rgba

RGBA color for which the alpha component will be set.

x

Value of alpha component to be set.

Return Values

The macros returns the RGBA color whose alpha component has been set.

QuickInfo

  Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in d3dtypes.h.