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Questions tagged [gimp]

For questions about programming the GNU Image Manipulation Program, including plug-ins. Remember to include appropriate tag(s) for the programming language in use. Questions about non-programming use are off-topic for Stack Overflow; consider asking on Super User or Graphic Design instead.

Gimp is an acronym for Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

The core of GIMP is implemented in .

Plug-ins may be implemented in a wide choice of languages, including , and and .

Resources

Gimp programming tutorials

Books:

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Gimp: How to create

I'm working on a website design in gimp. I really love the figures and math equations at University of Iowa's stats website (http://www.stat.uiowa.edu/). I would like to create something like this, perhaps do handrawn equations and figures and scan…
bdeonovic
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Gimp: save pixel data in .xls?

So, I'm using Python and I need to save pixel data to an .xls file like this: 1st column the row number, 2nd column the column number, 3rd column the colour. How am I supposed to do something like this? I know how to use .xls files with the xlrd and…
Antoni4040
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Start Gimp plug-in at start-up

I'm trying to create a Blender add-on that syncs it with Gimp. So, I have a python-fu plug-in for Gimp and I want to achieve this: when I open Gimp from Blender(with Python), Gimp should run this plug-in immediately(at start-up)! But, how can I do…
Antoni4040
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Gimp: start script without image

Well, I'm trying to write a python plug-in for Gimp, but it wont start without first loading an image... What can I do about that?
Antoni4040
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How can I change similar colors at once?

I have a bitmap like this I now need the same button but a red one. Can I apply some tool in the Gimp so all the colors get converted to 'corresponding' shadows of red?
Alexander Kulyakhtin
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The Gimp - Creating background gradient

I have the below css code for a web gradient on my page, I would like to make a background image that is exact to this gradient using the Gimp. Anyone have expertise doing this that might be able to lend some advice? …
Steven
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How do GIMP avoid color blocks when increase/decrease Saturation

Take https://subtilitas.org/hsv/indexEn.htm for example It is clearly that color blocks will happen when increase/decrease saturation. But how do GIMP do the similar work? It will produce images without blocks. A post Gaussian filter? I'm not sure…
Kanglai
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Xterm stalls on command line, XQuartz crashes and reboots repeatedly

Up until a couple days ago, I was using Gimp on OSX 10.7 normally with no issues. Then I installed Inkscape, but was unable to start it because of a language settings issue (the system is currently set to Japanese). I installed XQuartz to see if…
Chris
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I created an animated coin in GIMP but it does not clear after each frame

I am not sure if my title explains it right, but here is the image, and you can see what's wrong. animation http://askibadev.comule.com/animation.gif The individual layers in GIMP do not show this error.
Adam Skiba
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Indexed mode is reducing image to only 2 colors

I created a new palette in gimp using my original RGB image (containing shades of yellow and black) which gave me about ~200 colors (with interval=2 in Import dialog). Then I changed the mode from RGB to Indexed using the palette I created above,…
soundswaste
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How can I change lightness hue and partially desaturate an image in ImageMagick?

I have a PNG which (besides a white spot and transparency in the background) is a pretty straight blue. I would like to use convert from ImageMagick to partially desaturate it, so that I can create images with the original blue at one extreme, and…
Christos Hayward
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XNA Strange blur on my transparency .png

(i can't post images so i posted links instead) i'm working on a 2D platform game using pixelperfect. The problem is about the png images used in-game. On transparency, there are some blur. like this : https://i.stack.imgur.com/lBX3A.jpg If i open…
Sharpnel
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GIMP does not unload closed image from memory

GIMP exported an image that was closed and not show in GIMP I need a little bit of help! I have found that GIMP does not always remove closed images from its working memory even if they are not shown. As you can see here, I have 4 open images, but…
Bjarne
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Problem saving WebP with Gimp Python script

I have this script to automate resizing and saving into WebP format, but I have something set wrong: !/usr/bin/env python from gimpfu import * def automate_edit(image, drawable, new_width, new_height): pdb.gimp_image_undo_group_start(image) …
Seehank
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add text with black color to gimp image

When I try to add a text to image with GIMP, the color of text not clear! How can I insert text with full black color?
lucky1928
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