Am 20.01.10, 10:56 -0600 schrieb Bob Friesenhahn:
> On Wed, 20 Jan 2010, Richard Hughes wrote:
>> Is there any planned support for pre-multiplied image formats in lcms2? 
>> Thanks.
>
> Color management has nothing to do with an alpha channel.  Lcms may
> accept (and preserve) an existing alpha channel as a means of
> convenience.  What you are requesting is to divert these
> un-premultiply/re-premultiply steps into lcms, with lcms adding any
> needed intermediate buffering.  This might help with application-level
> buffering but it adds additional responsibility to lcms which
> increases complexity and might reduce performance for the other cases.
>
> Perhaps there is a better approach than moving the responsibility into
> lcms?

perhaps libpixman?

kind regards
Kai-Uwe Behrmann
-- 
developing for colour management 
www.behrmann.name + www.oyranos.org


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