[magick-users] difference between Q16 and Q8 versions

[Gabe Schaffer]

On 2/5/07, paweł wolański <p.wolanski at medousa.pl> wrote:
> Hello!
> I've got question about IM Q16 & Q8. What's a difference between that
> two versions?  I know, that Q16 version takes 2 times more memory than
> Q8. But is that so great precision in algorithm is needed in converting
> jpegs, gif or pngs (I need IM for converting that types of formats) &

JPEG and GIF only have 8-bit versions, so there will almost certainly
be no benefit to using Q16. It is possible to have 16-bit PNGs, but if
you have to ask, you probably don't have to worry about it.

GNS