On Tue, 11 Dec 2012, jcup...@gmail.com wrote: > My 2p would be that pre-multiplied alpha is a very useful optimisation for > compositing, but a hindrance for everything else. > > Perhaps you could move your colour management after the compositing step?
Assuming that the input images are not in a consistent color space, then they should be color managed before the compositing step or else the result is indeterminate. Bob -- Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user