Re: MaskBlt implementation.

[Dimitrie O. Paun]

On April 9, 2003 01:22 am, Dan Kegel wrote:
> How 'bout
>
> BYTE SwapROP3_SrcDst(BYTE bRop3)
> {
>      /* swap 1,2 bit and 5,6 bit */
>      BYTE bits44 = (bRop3 & 0x44) >> 1;
>      BYTE bits22 = (bRop3 & 0x22) << 1;
>      return (bRop3 & 0x99) | bits22 | bits44;
> }

Nice! At which point we might as well inline it all:

inline BYTE SwapROP3_SrcDst(BYTE bRop3)
{
    return (bRop3 & 0x99) | ((bRop3 & 0x22) << 1) | ((bRop3 & 0x44) >> 1);
}

:)