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Script Collection Online
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creases
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Gimp exported image gets ...
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Question about selection ...
Forum: General questions
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How good are you at guess...
Forum: Watercooler
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Color change
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Scaling an image to a fix...
Forum: General questions
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AppImages and Help Files
Forum: Alternate Gimp packagings
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How do I make this image ...
Forum: General questions
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04-26-2024, 09:23 AM
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Bug when using Color to Alpha on selected area |
Posted by: wpkzz - 03-12-2023, 11:16 PM - Forum: General questions
- Replies (3)
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Fellow Image Manipulators:
I have this problem with GIMP when trying to make a selected area transparent so that part of an underlying photo is shown in the foreground image.
Using two layers, one of a photo under, a drawing above, I select by any method, but usually, Quick Mask, part of the drawing. I then proceed to fill the selection White, and then I order, "White to Alpha". In the preview it shows exactly what is intended, namely, the selected area is transparent and it shows part of the photo below. But once I push "Accept", then one of two possible weird things happen.
One is that if the Under Layer has a size as the canvas size, ALL of the drawing gets more or less transparent, as if by its content of "white". But it gets quite transparent.
The other is if the under layer is in size a fraction of the canvas, the whole part of the upper layer outside the size of the under layer gets this "partial but almost transparent" effect", the selected intended size gets the full transparent, and, the part above the area of the under layer that is not selected, is alright, that is, not transparent.
So I end with only that "margin" right, and everything else wrong.
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Undo Operations in a Script |
Posted by: BaconWizard17 - 03-08-2023, 11:57 PM - Forum: Scripting questions
- Replies (4)
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Is it possible to have a script that can undo its own actions in the middle of operating? For example:
- An image with layers A, B, and C
- Hide layer C
- Flatten image
- Export image
- Undo the flattening and hiding to get the image back to its original state
- Hide layer B
- Flatten image
- Export image
I know that undo groups can be used to manually undo several steps of a script simultaneously after the script runs, but I wasn't sure if the script could undo its own actions automatically (mainly irreversible ones, like flattening the image or indexing colors).
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