[Gimp-developer] jpeg quality factor.

[Graeme Gill]

On Mon, 09 Jul 2007 11:33:34 +0200, Tor Lillqvist <tml at iki.fi> wrote:

>There are some scenarios in which blindly reusing the quality factor
>guesstimated from loading an image is not a good idea, even if the
>guesstimate is very accurate. (Which happens when the loaded image's
>quantization tables exactly match the JPEG standard's sample tables
>scaled in libjpeg's manner with said factor).

Why try and merely match the tables ? Use them by default. Only
replace them if the user changes quality settings.

Graeme Gill.