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  3.0.6 appimage crash on Raspbian Trixie
Posted by: NickJP - 01-04-2026, 02:08 AM - Forum: Alternate Gimp packagings - Replies (1)

I downloaded the arm64 appimage for 3.0.6 from https://download.gimp.org/gimp/v3.0/linu...4.AppImage, made it executable, and ran it. When I run it, the GIMP window appears, but a) a completely blank "Welcome to GIMP" dialog appears in the middle of the screen. Only the dialog titlebar is visible, and clicking on the "X" at the RH end of the titlebar doesn't close the dialog, and b) if I click on any of the GIMP menus and select any menu option (I've tried about half a dozen different options from different menus), the GIMP windows just disappears.

If I execute the appimage from a terminal prompt, I see the following. I've tried several times, including after a reboot, and the same problem each time.

Code:
(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_image_get_storage_type: assertion 'GTK_IS_IMAGE (image)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_image_set_from_pixbuf: assertion 'GTK_IS_IMAGE (image)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_label_set_markup: assertion 'GTK_IS_LABEL (label)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_label_set_markup: assertion 'GTK_IS_LABEL (label)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_get_visible: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed

(gimp:113211): Gtk-CRITICAL **: 12:49:59.006: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed
/tmp/.mount_GIMP-3PnnbBn/usr/bin/org.gimp.GIMP.Stable: fatal error: Segmentation fault
/tmp/.mount_GIMP-3PnnbBn/usr/lib/aarch64-linux-gnu/gimp/3.0/plug-ins/script-fu/script-fu: fatal error: GIMP crashed

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  Help and advice with this image
Posted by: Tygra - 01-03-2026, 03:58 PM - Forum: General questions - Replies (12)

Hi guys,

I was wondering if you could give me some advice on how I could improve this image I am working on? I am trying to create a space scene with the planet on the verge of exploding.

I am by no means an expert. My trade is structural engineering, so I am very maths orientated, but I am enjoying myself with trying to create something half decent in Gimp. I think the image is okay. I guess perhaps I am trying to reach a level far beyond me.

Thus, some advice and constructive criticism  I would much appreciate.

Many thanks.



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Sad Palettes
Posted by: NuV01aR! - 01-03-2026, 11:22 AM - Forum: General questions - Replies (3)

When I first opened GIMP v 3.06.1 I started by using MediaDesigns colorization of  a  b/w image  as a guide.

I managed to successfully replicate the tutorial until I had created 4 layers with layer masks.When I came to the 5th layer/mask combination, I could not paint on the image -ie I could 

not see anything happening. I deleted the layer and its mask, andd tried again making sure I had the required palette -which I had constructed - was selected before I created the new 

layer.

This made no difference

As I am unsure as to troubleshooting I am at a loss to know how to proceed.

Also when I began the editing, a long list of palettes was available - this has now disappeared.

Is there an add-on for palettes? Huh

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  Chuck Henrich interactive luminosity masks
Posted by: denzjos - 01-03-2026, 09:14 AM - Forum: Extending the GIMP - Replies (2)

The release of GIMP 3 opens up exciting opportunities to update and extend what plug-ins can do. So he
completely rewrote my GIMP 2 luminosity mask plug-in to take advantage of those new tools.
This new interactive luminosity masks GIMP plug-in lets you choose whether to focus on lights, midtones, or
darks. Then it opens a live preview and a dialog with sliders that allow you to fine-tune your luminosity mask.
That's a much more flexible approach than was available in GIMP 2.
https://www.chuckhenrich.com/gimp-intera...ity-masks/
Work with gimp 3.2.0-RC1 don't work yet with gimp 3.2.0-RC2. I've reported it to the author.

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  Menus in 3.0
Posted by: garbag3mail@yahoo.com - 01-01-2026, 10:41 PM - Forum: General questions - Replies (1)

When I open a window such as Open, Open as Layers, etc., they keep coming up sorted Z-A. How can I get them to come up A-Z (like normal windows) and stay that way? Even when I select A-Z, then close the window, reopen still comes up Z-A.



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  Old PanoTools plugin from Helmut Dersch
Posted by: denzjos - 12-31-2025, 02:37 PM - Forum: Extending the GIMP - No Replies

Did anyone used the old PanoTools gimp plugin from Helmut Dersch with gimp 2.10.38?  I tried it with gimp 2.10.38, get no errors when starting gimp but I could't find the plugin in the menu.   

https://www.panotools.org/dersch/

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  free cluts (Color Look Up Table) for G'Mic-Qt
Posted by: denzjos - 12-31-2025, 08:04 AM - Forum: Extending the GIMP - No Replies

If you have the G'Mic-Qt plug-in, you can experiment with CLUT (Color Look Up Table) colors. You can find G'Mic-Qt here: https://gmic.eu/download.html
Use in G'Mic-Qt: Filters / G'Mic-Qt / Colors / Color Presets.
Free luts to download :
https://www.photoshoplus.fr/telecharger-luts-1/

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  cursor is a 'brush' that I can't change
Posted by: wklaus - 12-30-2025, 10:50 PM - Forum: General questions - Replies (4)

trying to edit text in an image.   When I use the toolbox Clone tool, it creates this brush effect that I can't get rid of.   New to Gimp to just trying to get acquainted.   

   

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  trying to edit text in image
Posted by: wklaus - 12-30-2025, 10:44 PM - Forum: General questions - Replies (2)

Cursor turns into this 'brush' and can't get rid of it.  New to Gimp and want to edit images to get acquainted.   Tried using the toolbox and clone tool give me this.   Just can't go back to a plain cursor.  Cntrl-Z doesn't help.    

[Image: gUYHkQSJ8YVHgAAAABJRU5ErkJggg==]



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  File is set to grayscale, how do I add a image in the file without it becoming gray?
Posted by: Walpurgisnacht - 12-29-2025, 08:28 PM - Forum: General questions - Replies (1)

   
Disclaimer:I have zero knowledge on GIMP and I'm using it only because it's the free alternative to Photoshop. 
So my problem is: I need to add an image to another file that is in Grayscale set in default. When I try to add an image, that Image to becomes gray too. How do I restore that image colors or prevent it from becoming gray?

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