Re: [Lcms-user] Use cmsLinkTag when TransferFunction[1-2] is NULL

[Marti M. <mar...@li...>]

El 21/12/2012 22:33, Richard Hughes escribió:
> Typically when creating profiles you have a transfer function set up like this:
>
> transfer[0] = cmsBuildGamma (NULL, 2.2);
> transfer[1] = transfer[0];
> transfer[2] = transfer[0];
>
> and then do something like cmsCreateRGBProfile(transfer). I don't
> think LCMS notices this, and embeds 3 copies of the parametric curve
> into the profile. Using the attached patch means if we use the same
> curve for all channels then this is only embedded once and we instead
> link to the same data area in the profile header. The patch is lightly
> tested, and probably needs a sanity test case in the check program.
> Using this patch makes the generated profiles smaller.
>
> Comments welcome, thanks.

Looks great, I will incorporate it to the master sources after 
Christmas,  as
actually I've no access to the computer where I do the qualification.

Thanks for the contribution!

Regards & merry xmas
Marti