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I don't believe it Win7 premultiplied
http://classicshell.net/forum/viewtopic.php?f=18&t=8565
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Author:  juniper7 [ Tue Jul 28, 2020 11:38 am ]
Post subject:  I don't believe it Win7 premultiplied

I don't believe it. Win7 start buttons are premultiplied.
I was fixing someone's Windows 7 computer and noticed the start button has brighter colors especially on hover. On my Windows 10, the same button is darker when using Classic Shell.
After all these years I never knew that Windows 7 .png start buttons are premultiplied.
I used that program "Create Aero Compatible PNGs" to make images show correctly on non-Windows 7 systems.
You may have to force Win 10 to run the program:

https://www.deviantart.com/thoriumknigh ... -262526394

Here are before and after samples to see for yourself.

Attachments:
original Win7  100 size.png
original Win7 100 size.png [ 14.15 KiB | Viewed 2170 times ]
Aero compatible Win7 100size.png
Aero compatible Win7 100size.png [ 17.16 KiB | Viewed 2170 times ]
compare.png
compare.png [ 12.07 KiB | Viewed 2170 times ]

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