LAB Channels type

BERGER Cyrille cberger at
Fri Apr 21 14:38:05 CEST 2006

> a and b are signed, however lcms encodes them as unsigned shorts using
> an offset. We're using these encoded values directly, so we have to
> treat them as unsigned and decode them to signed when presenting them to
> the user.
So we store them as unsigned or signed ? Because in the TIFF reader, I
convert ICCLab file (which use unsigned LAB with offset) to krita by
substracting the offset, and doing that we are correctly reading

Cyrille Berger

More information about the kimageshop mailing list