Kai-Uwe Behrmann wrote:
> Hello,
>
> found that CinePaint crashes on softproofing without proofing profile.
> Beside this strangeness in the gui, lcms should perform a gamut check
> without proofing profile?
IMO a gamut check may also make sense for a "normal" (non-proofing)
transformation from a source to a destination profile. In this case I
think I would expect that it marks all the pixels which are out of gamut
on the destination device.
Regards,
Gerhard
> An other use case is, when I create a profile chain including abstract
> profiles and want to proof on a later stage with a existing proof profile.
> Currently I'd need to exclude the softproof flag first and later
> reintruduce it to not crash.
>
> In cmsxform.c:~1519 lcms could check for the existence of the proofing
> profile and possibly skip the gamut check:
> if (p -> dwOriginalFlags & cmsFLAGS_GAMUTCHECK &&
> p -> PreviewProfile)
> ^^^^^^^^^^^^^^^^^^^
> {
> GamutCheck = _cmsPrecalculateGamutCheck((cmsHTRANSFORM) p);
> }
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