On Sun, 2004-04-25 at 20:53, Dean Hamstead wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > why 15 bit, like 16bit is 2bytes. wouldnt running 15 cause > funny problems, or just be wasting one bit? unless > powerpc doesnt have 8bit bytes or something.
One bit is wasted, used for transparency, or used for a bit of extra brightness (like a shared 6th color bit). With the normal 5:6:5 16-bit color, you don't get grey. You get black, white, and many almost-grey colors, but no pure grey.
