(05-27-2024, 09:00 AM)Ofnuts Wrote: Yes, as @denzjos said, you are probably editing a color-indexed image (typically if you are editing a GIF, but some PNG are also color-indexed), and given how these images are made, most color tools (and many others) are disabled. See here for some hints about color-indexed images and their pitfalls.
In the general case, uninstalling/reinstalling Gimp doesn't help, because many of your problems will come from settings you changed unknowingly, and Gimp keeps your settings across installations. See here for some hints about managing that and making Gimp forget your errors
Thanks a lot. I will look into this.
But I have checked my pictures, nothing has changed in their structure, they are all the same pictures I recently modified successfully. But now many of my GIMP functions have totally ceased to work. All of a sudden.
Check out this photo for example; it is indeed in RGB mode.
(05-27-2024, 06:52 AM)denzjos Wrote: Have you checked if your image is in RGB mode : Image / Mode / RGB
Yes I have. My pictures are RGB. That is why I don't understand this sudden bug in most of my color tools.
Thanks
Jean
One more question, by the way. How do I make sure that your replies come to my email address, rather than just on the forum? I have looked everywhere but can't find a solution.
Jean