DisplayCAL Warning – iCCP: extra compressed data

[Anonymous]

“iCCP: extra compressed data”

I just finished calibrating my monitor with i1Profiler using an iPro 2.  I launched  DisplayCAL 3.5 and  this warning pop up “”iCCP: extra compressed data”.  I’m running DisplayCAL 3.5 (just installed it this morning) , Argyll 2.0.

FYI – After I installed DisplayCAL 3.5, earlier this morning, I launched it just to make sure it would run and I saw no warning.

[Florian Höch]

Hi,

what system are you using? Linux? ‘iCCP‘ is part of the PNG specification.

[Anonymous]

I’m on a Mac running macOS High Sierra 10.13.3.

[Florian Höch]

Sorry, I cannot reproduce this. Are you using a libpng from homebrew or any other nonstandard source?

[Anonymous]

Not that I’m aware of.  I’m going to reinstall the software and see if that clears it up.

[Author]

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