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Questions tagged [gimp]

The GNU Image Manipulation Program, an open-source tool for image editing under Linux and UNIX systems.

56 questions
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How to rotate a set of pictures from the command line?

I have a large set of JPEG pictures all with the same resolution. It would take too long to open each one inside the graphical interface of imagemagic or gimp. How do I achieve each picture being rotated and saved as the same filename?
sharkant
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Is there a way to flatten a .pdf image from the command line?

In GIMP, I can import a PDF, and use the GUI to flatten it (if it was made with many layers) by selecting Flatten Image in the Image dropdown menu. I can then export the PDF with a new filename. I would like to automate this. Is there some way to…
generic_user
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How to convert multiple XCF files to PNG?

I have a folder with a lot of xcf files which I want all to be converted to png files, at best via a one-liner from bash. How can I achieve such a task?
k0pernikus
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Tweak gimp for performance

I just realized that I can start gimp (version 2.8) via gimp -d to reduce startup time on an old system. Are there other tweaks to speed up the startup time of gimp and reduce memory usage?
student
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How to effectively draw on frames of a video

I used to use Camtasia on Windows for editing videos, specifically recorded screencasts. One thing this did well was give me the ability to draw simple annotations on top of the video, including canned symbols like arrows, along with text boxes…
David M. Karr
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4
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2 answers

GIMP tooltips are almost unreadable white-on-off-white

Running GIMP on my KDE desktop the tooltips are all white-on-white. How do I fix this?
Matthew Cline
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1 answer

Get "recent files" in global file manager (Dolphin?)

I just switched to OpenSUSE (KDE) from my Fedora 20 KDE setup,and I find myself greatly missing a feature that was a default in Fedora: a "Recently Used" option in the file manager when saving and uploading files. As far as I can tell, both are…
WorldsEndless
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Using iscan (GIMP plugin) from the command line

I'm something called iscan to use my scanner. However to use it, I need to go through a GUI to get my scanned pdf. When I run iscan --help (because just iscan launches the GUI), it tells me that it is a GIMP plugin and requires to have GIMP…
n0pe
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Save image as 24 bit png

Is there a way to save an image as 24 bit png? I didn't manage with GIMP. Keep in mind this is pixel art so keeping the exact colors are important. I tried several things in GIMP, but it always said this: $ file Junction.png Junction.png: PNG image…
PMint
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How to execute a script on program launch and end

How do I run a script when a program starts/ends? Specifically, I made a script to toggle my touchpad/trackpoint on and off and I want to use it to turn inputs off when I start GIMP and to turn them on again when I stop it. #!/bin/bash if [ $1 =…
lightandlight
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On Screen Protractor

A handy program for measuring the pixel dimensions of something on-screen is screen ruler: sudo apt install screenruler ; screenruler I like how you can place it anywhere on your screen and it stays on top of all other applications as you use…
Lonnie Best
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Automatically restoring verticality of the edges of a scanned photo

I want to scan a collection of rectangular photos, both color and black-and-white. I am generally quite happy with the scanning, but I run into some practical problems, due to the fact that photos are placed by hand and may not be well aligned with…
babou
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GIMP 2.8: how to save file using detected image format

I found GIMP 2.8 has changed quite a lot, you can't just open the file, modify and save it with CTRL + s anymore, instead, you must use export function, which is CTRL + Shift + e, and select a image format, is there anyway of doing the old stuff ?
daisy
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How to convert an image to a 24-bit BMP in commandline?

I'm writing a wrapper Bash script for ARSS to make it easier to use. The program converts images to sounds and vice-versa but it only accepts 24-bit BMP images, which I was only able to produce using GIMP so far. I'm looking for a way to convert any…
unfa
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Apply image perspective through batch mode in gimp

I need to perform image perspective operation from command line? Is there any place where documentation is provided properly. I have asked this question on stack overflow, you can check here. If any other tool is available which provides command…
gkd
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