Hello

my profile chain to mark out of gamut colours is like:
input -> effect profiles (abstract) -> proofing profiles -> output

The whole chain is brought to a cmsHTRANSFORM object and then feed to
_cmsPrecalculateGamutCheck(). But the later complains (crashes) about a
missing  _LPcmsTRANSFORM p->PreviewProfile

Any idea on how to obtain the proofing LUT(s)?

Btw. my goal is to attach the gamut LUT to a device link and store that in
the CMS' cache. As Oyranos stores all profiles in device links, there is
no way around for gamut marking informations. The gamut LUT shall later be
extracted and somehow assigned to the colour transform for out of gamut
marking.


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


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