Casper, best is to convert into a 16-bit depth Lab buffer, then correct and go back to whatever you need. You should then be done with nearly every colour space.
regards Kai-Uwe Behrmann + development for color management + imaging / panoramas + email: [EMAIL PROTECTED] + http://www.behrmann.name Am 10.06.05, 16:03 +0200 schrieb Casper Boemann: > 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 > Mit freundlichen Grüßen Kai-Uwe Behrmann + Programmierung für + Farbmanagement / Bilder / Panoramen + http://www.behrmann.name + email: [EMAIL PROTECTED]