Re: [Lcms-user] cmsBuildTabulatedToneCurve16

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

> Thanks, that's very helpful. There is just one thing left, which is
> that some of our 'desc' tags have ScriptCode and some don't:

Humm... A binary dump of the profile you are attaching shows no script 
code but only correct unicode data, and both 'desc' tags are similar.  
Any other software complaining?
Regards
Marti

> tag 0:
>    sig      'desc'
>    type     'desc'
>    offset   264
>    size     116
> TextDescription:
>    ASCII data, length 8 chars:
>      0x0000: sRGB\000\000\000
>    No Unicode data
>    ScriptCode Data, Code 0x0, length 9 chars
>      0x0000: 00 73 00 52 00 47 00 42 00
>
> tag 1:
>    sig      'dmnd'
>    type     'desc'
>    offset   380
>    size     128
> TextDescription:
>    ASCII data, length 12 chars:
>      0x0000: Darktable\000\000
>    No Unicode data
>    No ScriptCode data
>
> tag 2:
>    sig      'dmdd'
>    type     'desc'
>    offset   508
>    size     116
> TextDescription:
>    ASCII data, length 8 chars:
>      0x0000: sRGB\000\000\000
>    No Unicode data
>    ScriptCode Data, Code 0x0, length 9 chars
>      0x0000: 00 73 00 52 00 47 00 42 00
>
> All these tags are added in the same way:
>
>    cmsMLU *mlu0 = cmsMLUalloc(NULL, 1);
>    cmsMLUsetASCII(mlu0, "en", "US", "sRGB");
>    cmsMLU *mlu1 = cmsMLUalloc(NULL, 1);
>    cmsMLUsetASCII(mlu1, "en", "US", "Darktable");
>    cmsMLU *mlu2 = cmsMLUalloc(NULL, 1);
>    cmsMLUsetASCII(mlu2, "en", "US", "sRGB");
>    cmsWriteTag(hsRGB, cmsSigProfileDescriptionTag, mlu0);
>    cmsWriteTag(hsRGB, cmsSigDeviceMfgDescTag, mlu1);
>    cmsWriteTag(hsRGB, cmsSigDeviceModelDescTag, mlu2);
>    cmsMLUfree(mlu0);
>    cmsMLUfree(mlu1);
>    cmsMLUfree(mlu2);
>
> Do you have any clue why they would end up differently in the ICC
> (I've attached the ICC in question)?
>
> I'm not particularly clear on what ScriptCode is, glancing over the
> ICCv2 spec didn't clear anything up either...
>
> Regards,
> Pascal de Bruijn