RFR: 8326661: sun/java2d/cmm/ColorConvertOp/ColConvTest.java assumes profiles were generated by LCMS [v2]

[Dmitry Markov]

On Tue, 5 Mar 2024 03:49:01 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> test/jdk/sun/java2d/cmm/ColorConvertOp/ColConvCCMTest.java line 63:
>> 
>>> 61:         10.5,       // GRAY
>>> 62:         215.0,      // PYCC
>>> 63:         56.0        // CIEXYZ
>> 
>> All this change will delete all information about "old and good" values and start to use lcms thresholds for all profiles? I think it should be the opposite - use the good data for all except lcms(or any other not that good as jdk8 profiles), like we do it now.
>
> Actually the purpose of these particular tests is validation of the quality of the built-in color profiles.

I agree, I reverted almost all changes except the ones in tolerance for non-LCMS profiles. That values need to be updated to make the test pass on JDKs (e.g. JDK 8u, etc) where non-LCMS profiles are used

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PR Review Comment: https://git.openjdk.org/jdk/pull/18097#discussion_r1516077519