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 ------------------------------------------------------------------------------ Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user