I am nearly certain I am saying this wrong, but I would like to increase the contrast of the selection tool border. This could be by changing it's color or some other method. My eyes are not what they used to be and I sometimes have trouble telling if I have everything I want selected inside the selection area. To be clear, I am talking about the dashed black line that appears around the selection. Ideally I would be able to modify it for the paint brush tools as well, but that is a less serious issue for me generally and easier to fix.

In typical applications I would expect to find a properties window somewhere that I could modify these, but I have not been able to locate anything.

- Ernie

I have been having a problem with JPG files exported via GIMP.   The thumbnail  (always) and sometimes also the actual JPG file once opened in other applications or back in GIMP turns very dark, as if brightness was turned nearly all the way down.   

Any ideas what setting I need to change or what I may be doing wrong?

I have a digital scan of an old sketch ( a colourful flower with a background). It has a border around it that has yellowed because it's quite old and at the bottom of the border is the title of the painting, in handwritten cursive font (it looks like it was done with a pencil). My problem is that the title is quite faint and I am having trouble clearing it up without affecting the rest of the picture. I attempted to use the burn tool to go over the handwriting but this was incredibly time consuming and not quite effective. I also found that the burn tool slightly change the yellowed colour around the writing as well. I tried to play with levels and achieved a great, clear title but it severely darkened the rest of the picture to the point where it was almost black. Is there a was to do this by isolating the handwriting in some way? I'm new at this, please be gentle!

I learned how to make a single brush .gbr file. Is it possible to have more than one brushes in a single .gbr file ? ie, a brush pack .gbr file.

Something with 5-6 brushes which can act as a single brush inside GIMP but can be installed using one .gbr file. Thanks.

My friend sent me an image saved as a .pdf file made in Photoshop.

I loaded the image into GIMP and made a very small change to the image.

I would like to save the file once again as a .pdf file and NOT LOSE ANY image quality.

The file sent to me was approx. 4M. When I save the file in GIMP the file size becomes approx. 312K, or less than 1/10 the size of the original file. When I look at the two images, the GIMP image has lost quality.

Can someone please tell me how I can do this? Thanks!

....
More info.
I also have the same image file as a .tiff file (coming from Photoshop).
When I open the file in GIMP and edit it (small edit) I can save it as a .tiff
and the file size remains the same! Approx. 4M.

But, when I try to save it as a .pdf file, the file size becomes approx. 312K !
How did my friend save it in Photoshop as a 4M .pdf file,
and how can I save it in GIMP as a 4M .pdf file?

If I have a selection, for simplicity sake we'll start with a 50 pixel wide line at a 45 degree angle from top left to bottom right. How do I create a path that traverses the approximate center of the selection and is one pixel wide?

I know how to create a selection, shrink a selection, create a path from a selection. But simply shrinking will either end you up with gaps in the path or with areas that are wider than a pixel in the path if there is any deviation in the width. I am fine if this is something I need to do programatically (learning Python, know multiple other languages) if someone can point me in the right direction or the terminology to look for to execute this type of operation. I am no great mathematician, but I can muddle through most geometry and basic trig. And I am fine with putting in time to experiment as necessary.

Edit: Using GIMP 2.10.22 but can upgrade if needed, Win 10 64 bit.

- Ernie

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I updated my MacBook last night to Big Sur and tried to use Gimp but the program didn't work at all. I'm not able to select by color, Fill with BG/FG nor am I able to edit any images. I've reinstalled the program multiple times in hopes of it working again but all failed, is anyone else facing anything like this? I've updated my laptop before as well but never faced any problems like this. Please let me know ASAP! thanks  

I drew an SVG > exported as PNG > opened in GIMP > saved as .gbr

The brush loads fine on GIMP, but sadly it is always a black imprint, no matter what Foreground colour I choose. I remember setting the colour to null somewhere during the process. It will be nice to learn how to fix this and make the brush honour the FG colour. Thanks.

Since the last couple of days, possibly after 2.10.22 update, only the " Basic " set of brushes are visible. Others are there in the .config folder and they are set properly under folder path. But only " Basic " set it visible / selectable. Others are greyed out. I haven't touched any settings in a while. Any help on this will be awesome. Thanks.

Quote:  Path summary Warning
Path "A8" [4]:
(0.0, 0.0) <- 2 : 154.0 : OPN -> (0.0, 154.0)
(154.0, 0.0) <- 2 : 154.0 : OPN -> (154.0, 154.0)
(0.0, 0.0) <- 2 : 154.0 : OPN -> (154.0, 0.0)
(0.0, 154.0) <- 2 : 154.0 : OPN -> (154.0, 154.0)

  Path summary Warning
Path "this path works" [1]:
(199.0, 145.0) <- 4 : 224.0 : CW  -> (199.0, 200.0)