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  GIMP 2.10.24 - How to Create A White Background On A Finger Print
Posted by: tc47 - 08-14-2021, 10:25 AM - Forum: General questions - Replies (3)

Hello,

I have a finger print that needs to be on a white background.

I changed the background to white using Quick Mask, but the issue is that the finger print has crests / troughs, and the troughs color is that of the old background.

   

1. Is there a way to resolve this?

2. Is there a way to make the crests a deeper red?

I haven't used gimp in quite a few years and have forgotten quite a bit of what I used to know.
Any help would be appreciated.

Thanks.

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  Gimp 2.10.24 reverts rect / ellipse to Expand From Center
Posted by: aravisian - 08-13-2021, 01:08 PM - Forum: General questions - Replies (10)

This is something utterly new.

Since about August 10th, Gimp 2.10.24 running on Zorin OS 16 (Equiv. Ubuntu 20.04), Gimp Rectangle Select or Ellipse Select keep reverting to "Expand From Center."
This is very disruptive to work flow. I have to keep opening the tool options and changing it back. But after a short time of use, it reverts itself back, unpredictably.

What I have tried: Removing GIMP directory from ~/.config
Doing the above and Uninstalling all portions of Gimp, then removing all remaining files and directories.


Settings are essentially at Default from installation.
I have been using Gimp (a lot) for a couple of years and I have never had this happen. I wondered if it was a Keyboard Shortcut I was bumping... But that seems a stretch.

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  Exporting BMP in 8-bit format
Posted by: 8bituser - 08-13-2021, 10:11 AM - Forum: General questions - Replies (4)

I am using gimp 2.10.24.
I have a bmp image with 24-bit format.
I would like to export this BMP in 8-bit format.
How can i do that? The advanced option proposes only 16-bit, 24-bit and 32-bit formats.
Thanks in advance.

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  Stitch scanned document
Posted by: denzjos - 08-13-2021, 08:42 AM - Forum: Tutorials and tips - Replies (4)

Stitch parts of a large scanned document can be done with commercial programs such as 'RasterStitch' but also it is possible to do this in gimp. It can be done in Hugin but using the SaulGoode 'sg-fit-face.scm script also can do the job :
https://chiselapp.com/user/saulgoode/rep...d3f505fef2  
Two scanned documents :
   
The documents stitched :
   

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  Help! My GIMP 2.10 crashes on all file operations!
Posted by: LagrangeL4 - 08-13-2021, 08:39 AM - Forum: Windows - Replies (6)

Greetings, forum. Yesterday afternoon (Thu Aug 12, 2021), my GIMP 2.10.24-rev-1, on Windows 10 64-bit, started malfunctioning for no reason at all. Nothing in Windows had changed. Nothing in GIMP had changed.

The nature of the malfunction is, any attempt to click any sub-menu of the File menu ("New", "Open", "Save-As", "Export-As") causes GIMP to freeze. The program enters a "not-responding" state indefinitely and has to be terminated by first clicking the "X" in the upper-right corner, then clicking the "Terminate Program" button on the "this program is not responding" box that pops up, then clicking "cancel" on the "lets tell Microsoft all about this" box that then pops up.

This is not acceptable, because while I can edit and alter images all I like (by first opening them in GIMP via Windows Explorer, thus bypassing the broken "File" menu), I can't save any of my work!

Steps I've taken in attempt to solve this:

1. Re-installed GIMP on top of itself. Result: Problem persists.
2. Un-installed then re-installed GIMP. Result: Problem persists.

I'm at a loss. I have no idea what caused this problem, no idea of why uninstall-then-reinstall failed to fix it, and no idea on how to fix it. Does anyone have any ideas on how to fix this?



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  How to erase (clear) pixels near edges?
Posted by: ajax - 08-12-2021, 04:33 PM - Forum: General questions - Replies (3)

When attempting to remove backgrounds from an image, I think, the idea is to select the applicable area and then clear (delete/erase) the selected area.  This makes the selected area transparent.  Select by color can be effective but typically a small area near the edge of the object (i.e., portion of the image being preserved) is NOT handled accurately.  In that, pixels to be removed remain or pixels to be keep get selected for removal.  It becomes quite difficult to use the various selection tools to include these pixels.

It would seem that being able to use the various brush (painting) tools for this task would be desirable.  For example, I tried using the Clone Tool but it appears that transparency cannot be cloned.  In that pixels can be cloned but NOT the absence of pixels.  Setting Hardness to zero is NO help.

Is there a way to use Brush Tools like the Clone Tool to make the target area Transparent?

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  Where the fonts come from?
Posted by: jerryemerydelacruz - 08-11-2021, 09:40 PM - Forum: General questions - Replies (5)

I just installed Gimp 2.10.24 on a new computer, and it's reading the fonts from the Windows Font folder even though that folder isn't listed as a font folder in the Preferences>Folders>Fonts.  All of the font folders in Preferences are empty.  Is there a way to prevent Gimp from loading the Windows fonts and only load the Fonts I put in the folders listed under Preferences?


I changed the permissions of the fonts.conf file in Program Files>Gimp2/etc/fonts. Opened the file with Notepad and removed the line <dir>WINDOWSFONTDIR</dir>. I then copied a ttf font to the Program Files>Gimp 2>share>gimp>2.0>fonts folder and restarted Gimp. Now it only shows the one font, so this seems to work.

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  Batch convert Jpeg into monochrome pcx
Posted by: BubbleFritten - 08-11-2021, 06:09 PM - Forum: Scripting questions - Replies (1)

Hello,

i want to convert some jpeg's to monochrome pcx. To solve the problems step by step  my first try is to convert to monochrome jpg, but this didn't work.
The saved picture is still colorized. Even if i try the greyscale command it's colorized.
What's wrong with the script?


Code:
(define (convert-mono pattern )
(let* ((filelist (cadr (file-glob pattern 1))))
(while (not (null? filelist))
(let* ((filename (car filelist))
(image (car (gimp-file-load RUN-NONINTERACTIVE filename filename)))
(gimp-image-convert-indexed image CONVERT-DITHER-NONE CONVERT-PALETTE-MONO 0 0 1 "" )
(drawable (car (gimp-image-get-active-layer image))))
(gimp-file-save RUN-NONINTERACTIVE image drawable filename filename)
(gimp-image-delete image))
(set! filelist (cdr filelist)))))
EDIT
for testing purposes i have made the following version, it didn't work.
The result is not grayscaled.

Code:
(define (convert-mono pattern )
(let* ((filelist (cadr (file-glob pattern 1))))
 (while (not (null? filelist))
 (let* (
       (filename (car filelist))
       (destination_file "")
       (image (car (gimp-file-load RUN-NONINTERACTIVE filename filename)))
     (drawable (car (gimp-image-flatten image)))
     (gimp-image-convert-grayscale image)
       )
       
  (set! destination_file (string-append "out-" filename))
  (gimp-file-save RUN-NONINTERACTIVE image drawable destination_file destination_file)
  (gimp-image-delete image)
 )
 
 (set! filelist (cdr filelist)))
)
)

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  Turn text into a mask
Posted by: dfansler - 08-11-2021, 01:41 PM - Forum: General questions - Replies (3)

I am running GIMP 2.10.20 (revision 1).  I am designing a logo for my boat - the name is Dragon Fire.  I have an image of dragon breathing fire, along with the text "Dragon Fire"  Rather than having solid color text, I decided to make the text filled with the flame.  So I made a new layer and copied the flame into it.  The flame has been placed under the text.  This flame layer is just beneath the text layer.

I did a rectangular selection of the text (which has a transparent background) and made a mask using the selection.  I subtracted this from the flame layer, but got a rectangular product.

How can I turn the text itself into a mask to subtract from the flame?

Thanks,
David

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  Newbie: Fade into white via selection
Posted by: Christian - 08-11-2021, 07:21 AM - Forum: General questions - Replies (2)

Hi all,

as a Newbie I searched and watched on Youtube how to create a fade into a picture.

I want to make a selection of my face and then fade the background into white.

I am successful doing this with a AddMask (white) and the Gradient Tool. But this is just a vertical fade. I want to customize this fade on a specific selection (of my head).

Help appreciated!
Chris

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