Hi Manuela,

I cannot reproduce any crash. Are you using lcms2-2.3?

Please note that black preservation needs the black generation
profile as the last profile in the chain, so

devicelink
profilecmyk
profilecmyk

This works, but

profilecmyk
profilecmyk
devicelink


This does not work (reverts to normal intents). If you want to
ink-limit the result, apply a separate transform after black
preservation. This works in such way because the TAC is being
recalculated when doing black preservation.

Regards
Marti


MGE Info <i...@pdf-konverter.de> escribió:

> Hi,
>
> I´m creating a MultiprofileTransform programmaticaly.
>
> It has 3 Profiles:
> cmyk_Profile_1
> cmyk_Profile_2
> cmyk_InkLimiting_DeviceLink
>
> This works correct, as long the used intent is not
> one of the black preserving ones.
>
> These 3 result in a crash:
> #define INTENT_PRESERVE_K_ONLY_PERCEPTUAL             10
> #define INTENT_PRESERVE_K_ONLY_RELATIVE_COLORIMETRIC  11
> #define INTENT_PRESERVE_K_ONLY_SATURATION             12
>
> These 3 result do not work as expected:
> #define INTENT_PRESERVE_K_PLANE_PERCEPTUAL            13
> #define INTENT_PRESERVE_K_PLANE_RELATIVE_COLORIMETRIC 14
> #define INTENT_PRESERVE_K_PLANE_SATURATION            15
>
> Is this a bug?
>
>
> Regards
>
> Manuela
>
>
>
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