That is exactly what I do with Photoshop to change the brightness and the contrast without affect the chroma.
> Hi > > I'm a developer of krita - the KOffice paint application - which uses lcms > > I'm about to rework our brightness/contrast dialog, but looking at how other > programs does it I'm a bit confused as to what is correct behaviour > > Now what I intend to do is: convert from whatever colorspace we are working in > into CIELAB, change L*, and convert back into the original colorspace. > > does this sound like the correct thing to do? > > If so, how do I do it with lcms. I was thinking of making a transform that > converts to an abstrat colorspace based on CIELAB, but with an extra scale on > L* and then back again. Can this be done and how? > > -- > best regards / venlig hilsen > Casper Boemann > > > ------------------------------------------------------- > This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput > a projector? How fast can you ride your desk chair down the office luge track? > If you want to score the big prize, get to know the little guy. > Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 > _______________________________________________ > Lcms-user mailing list > Lcms-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/lcms-user ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput a projector? How fast can you ride your desk chair down the office luge track? If you want to score the big prize, get to know the little guy. Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user