r/GIMP 20d ago

GIMP 3.0 Officially Released!

https://www.gimp.org/news/2025/03/16/gimp-3-0-released/
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u/CMYK-Student GIMP Team 18d ago

For the brush crash, the workaround is to change the view from icon grid to list in the pop-up before selecting (or to use the brush dockable instead). Unfortunately, the bug only affects certain platforms (flatpak and macOS), so it wasn't observed before release. We're trying to figure out how to replicate and fix it.

As for the color invert, what's the issue you're having?

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u/rokons 18d ago

thank you for the advice, i'll try that!

sorry, this will be a bit hard to explain but i'll do my best. if i had an image with a transparent background and black text, i would rectangle select and invert to get white text. this left the background untouched and only changed the text. what was happening last night is that the text and the background would flip, so i'd end up with a black rectangle and transparent text. i figured this was probably intentional, but it just isn't what i need for my use case. is there maybe a different command that would achieve what i was doing before?

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u/schumaml GIMP Team 17d ago

Is this reproducible? Can you share a small sample XCF file where this happens?

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u/rokons 17d ago

it's happening a bit differently now, i don't get the big black rectangle anymore but the invert is still a bit wonky for lack of better words. the exact image was class material so i can't share that one, but here's a video of it on a different file: https://imgur.com/a/mKLQR5T

this image was just a screenshot from a google doc. my exact steps were: fuzzy select, delete, rectangle select, color to alpha, invert. in the previous version, these steps would result in very clean white text

here's the xcf

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u/schumaml GIMP Team 17d ago

One guess before looking at this in more detail: maybe the same general issues as described in https://www.reddit.com/r/GIMP/comments/1jf65ra/gimp_30_color_to_alpha_issue/

One thing for sure: without your improved description and the XCF, I would probably never have figured out the use case.

Now looking into this...

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u/schumaml GIMP Team 17d ago

This seems to be some undesired interaction between the still active Color to Alpha NDE filter and the following invert.

If you merge that filter before the final invert - click on the layer's fx icon in the Layer dialog, and choose merge from the dialog which pops up - then you get the old behavior.

I am curious why you are doing it in this order - shouldn't inverting first and then using color to alpha on black get you the same result with just two steps?

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u/rokons 16d ago

thank you, i'll try that when i get home! i do it in that order because ive got keybinds for both invert and C2A, and it's just a little quicker than selecting black on C2A, or at least it feels that way. unless there's a way to change that to default to black? plus, old habits die hard lol. regardless, i'll try both and see if it comes out