On 11/17/2014 06:56 PM, Simon Budig wrote:
Oh, I was under the assumption that AdobeRGB had well defined
chromaticies. If that is not the case then please consider my example
moot. I am well aware that dealing with color profiles most definitely
is not my area of expertise.
It absolutely does have well-defined chromaticities.
LCMS specifies an odd value for D65 and doesn't compensate for
hexadecimal rounding. And so almost everyone who distributes ICC
profiles made with LCMS makes AdobeRGB1998-compatible profiles that
don't exactly match the Adobe specifications.
Graham Gill distributes ClayRGB1998.icm that exactly matches the Adobe
specs. I've submitted code to GIMP to make a proper
AdobeRGB1998-compatible profile.
Other free/libre profile makers really aren't distributing an exact
match to the Adobe specs. I've already reported this on the LCMS mailing
list.
Similar problems obtain with a lot of other free/libre ICC profiles.
Elle
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