Hi,

I'm trying to implement a proofing profile option into UFRaw, but
there seem to be some missing functionality in lcms.

At the moment the user can choose an input profile and an output
profile. In addition the user can make some luminosity and saturation
corrections, which are implemented using an intermediate profile.
UFRaw creates a transformation from all these profiles using the
cmsCreateMultiprofileTransform() function.

The problem is that I don't know how to incooporate a proofing profile
into this. The only thing I can do is use cmsCreateProofingTransform()
as long as there are no luminosity/saturation corrections. Once the
user applies such corrections he will get a warning that proofing is
disabled.

I seem to be missing a cmsCreateMultiprofileProofingTransform()
function in lcms. Is there an indirect way to implement such a
functionality? Am I making some wrong assumptions?

Any help would be welcome,
Udi

P.S. I sent an e-mail about this issue to this mailing-list a few
month ago and did get any replies.

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