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]

Reply via email to