Re: [Lcms-user] Fwd: fake ICC profile to visualize quickly color matched areas...

[Edgar L. <lo...@co...>]

Hi Sébastien,

can you swap the profiles in cmsCreateTransform?
Going from "debugRGB" to sRGB?
In this case they should be compatible with lcms...

Edgar

On 07.02.2019 10:01, Sébastien L. wrote:
> Hello,
> 
> Edgar, Kai-Uwe, thanks a lot for taking the time to send me these profiles.
> 
> Theoritically, they should be perfect and I have no problem to load them
> (as they are in RGB color space).
> 
> Unfortunately, when I try to use them (named "debugRGB") and create the
> following 2 transforms, littlecms returns an error :
> error 13: Couldn't link the profiles
> 
> The transform are quite trivial (sRGB 8 bits -> debugRGB and Lab double
> -> debugRGB ):
> 
>   t1   = cmsCreateTransform(sRGB, TYPE_QRGB_8, debugRGB, TYPE_BGRA_8,
> intent, flags);
>   t2   = cmsCreateTransform(LabHandle,  TYPE_Lab_DBL,  debugRGB,
> TYPE_BGRA_8,  intent, flags);
> 
> If I use ProPhoto or an icc profile from a screen, I don't have any
> trouble :-(
> 
> I'm a bit puzzled...
> 
> May be the problem is obvious for you ?
> 
> Best regards
> 
> Sébastien
> 
> 
> 
> 
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