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Gimp Alpha different from PNG Alpha?
#8
Anyone know why Gimp 2.10 switched to pre-multiplied alpha png defaults

I have an old utility that takes a png (as produced by Gimp 2.8) and outputs a pre-multiplied version.

I have had a look around & never seen anything that goes the other way (except maybe a Mac utility). I suppose that conversion was never needed.

Edit: Ok have re-read the wikipedia entry yet again and think I understand the reasons.
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RE: Gimp Alpha different from PNG Alpha? - by rich2005 - 07-01-2020, 09:21 AM

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