Questions tagged [gimp]

Questions about GIMP, the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. Ask scripting questions on Stack Overflow, software support questions on Super User, and anything related to design here on Graphic Design.

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197 views

Disable Tool Dialogs in GIMP

I would like to know if there's a way to disable tool dialogs in GIMP like the one in the picture. I would rather use tools without it since it blocks the project I'm working on and there isn't a lot ...
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0answers
244 views

Using imaging software to turn images into colouring-in activities

I am trying to prepare colouring-in pictures as children's activities. I have seen this question and attempted using this kind of technique. It works well for touching up existing line art, but isn't ...
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1answer
42 views

Highlighed areas on scanned images

1. Summary I have some third-party poor-scanned grayscale images with highlight areas. Is it any chance to turn these images into normal? 2. Data Example image with highlighted area — ...
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1answer
53 views

GIMP: How can I control the “tolerance” of a tool?

On this image: When I choose the "Select by Color Tool," it highlights all the black regions, I only want it to choose the "slightly" black regions (which is the background), in another painting ...
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0answers
58 views

Modifying fonts with Gimp

I am using the Papyrus font in a banner and I would like to make the font darker and thicker without going as dark as Papyrus Bold. Papyrus Bold seems to loose the feel of papyrus which is caused by ...
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0answers
160 views

How to join separate scans of same object

Am scanning game maps using an A4 scanner, so typically they are more than one file. Is there a semi-automatic or automatic way to join them properly? For example, take two images that might overlap ...
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0answers
508 views

Copying and pasting directly from GIMP has black background

Sometimes I edit an image in GIMP with transparency and copy the entire canvas and paste it directly into another application, such as a tweet on Twitter or a message on Discord. The image pastes with ...
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0answers
131 views

Color management: how do I make Gimp handle gamma conversion in this png file?

This image is shown as an apple in Gimp, although if gamma is handled correctly it should show a pear. What steps should I take in Gimp to make it handle the gamma correctly? I've tried with the ...
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0answers
125 views

How can I map colors of one (non-uniform) gradient to another?

I'm trying to recolor parts of an image to match another part of the image. As an example, consider this image of an anime character's arm wearing a black glove: I want to remove the glove, i.e. I ...
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0answers
242 views

32-bit float EXR with GIMP/Photoshop

I've modified UE4 to render in 32-bit float color depth, and to then grab the output and write it to an exr file also with 32-bit float color depth. I've set Unreal's gamma value to 1.0, so there ...
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1answer
570 views

Pixel perfect pen size in GIMP

When I use the pen and I put 1.0 size, it draws a 1x1 pixel square. But after that, it goes like this: At 2.0 size, 3x3 square. At 3.0 size, 3x3 square. At 4.0 size, 3x3 square. At 5.0 size, 5x5 ...
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0answers
5k views

Gimp batch resize and change levels

I have hundreds of images, of which I want to perform the following operations in Gimp: Scale it using Sinc (Lanczos3) Change the input levels to a certain value Save it My question is how do I ...
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2answers
255 views

Automating Export of an image where the only thing that changes is the text layer?

Good morning all... I am wondering if there is a way to automate export of an image that will have a variation for each state, where the only thing that changes on the image is the text layer that ...
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1answer
40 views

Grid and bucketfill are just off center/ have offset

When I apply a pattern with the render option or the bucketfill it doesn't completely fill the selection without being off center/ having a offset (I'm not good with GIMP terminology ☹️) I DID NOT ...
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1answer
121 views

How to cut along guides to form layers in an image

I have an image that I need to split up into multiple smaller tile pieces. Each tile piece should be in its own layer. While I could manually create each layer, this would take a very long time, ...
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0answers
96 views

How can I remove anti-aliasing color artifacts using Gimp?

I have been working on vectorizing a series of 604 photos for a very long time. After all that, I figured that the best way to vectorize such a photo is to: Turn it to solid colors (i.e. remove the ...
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2answers
159 views

Resize part of image in GIMP

I have a photo that is 15360x5079 pixels. I want to load it into Marzipano, to make a panorama, but it requires that the file be in 1:2 aspect ratio. So the final height needs to be 7680 pixels. The ...
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1answer
63 views

How to use a linear workflow in GIMP?

This question is for those who use Blender together with Gimp for post-processing, texturing, etc. How to work in Gimp 2.10.8 as if you were working in Nuke or Blender Compositor? I'll explain: In ...
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1answer
54 views

Merge two images and add a separator between them

I have two images of same width, how can I produce a third one, such that the first one is on top, and the second one is at the bottom , with an arrow between them ? Here's the result I want: I come ...
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2answers
1k views

Gimp - single operation to crop and resize to fit to specific size

This solution is already done in Photoshop: I set result image specific size. Select crop area (in this case crop area rectangle have a proportional resizing ratio to result image size). Make crop ...
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1answer
268 views

How to fully change a border colour in GIMP?

I did the whole select colour -> fill colour thing but all the edges are frayed, how to fix this. Also tried the colour exchange mapping, didn't work so well.
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1answer
322 views

How to draw perfect rectangle using paths tool in GIMP?

I want to draw rectangle (perpendicular edges) using paths tool. I tried using grid, but it does not give precision. Also tried "snap to grid" option seems to not work with Paths tool. In pencil tool,...
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1answer
2k views

GIMP - GAP Extract Videorange Only Gets First Frame

What I am trying to do: I am trying to use Gimp (2.8) to convert an mp4 video to a gif. What I've done & The Problem: I downloaded and installed GAP (I pasted the resources I used below). ...
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1answer
92 views

What do I need to manipulate in GIMP to follow these specific color patterns I'm working with?

I am using GIMP and my images are appearing darker in an app I'm using, specifically OOTP 18. For example, my blue #0054a4 displays as a darker blue #003184, when I need it to appear as blue #004295 ...
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0answers
59 views

Gimp: web preview is blurry

I'm scanning black and white drawings onto my computer and cleaning them up with GIMP so they are all crisp and clean but (after resizing them for the web -roughly 1000 pixels and 75dpi) they appear ...
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0answers
549 views

Editing a PSD using Gimp

I am totally new to this sort of thing. I have been sent a template of a banner (see below) that I need to edit. It is a simple four layer PSD file that I am going to open in Gimp as I can't justify ...
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0answers
513 views

Gimp - Adjusting color level values of layers in batch

I've scanned some book pages and imported them as layers to a single grey scale Gimp image. I need to do some identical Levels adjustments (primarily to correct white point) to each layer prior to ...
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0answers
161 views

What are the risks, if any, of upgrading GIMP from 2.8.16 to 2.9.x?

I am interested in going to 2.9.4 for the added utility & improvements. I have loads of custom scripts, UI, and so on that I use frequently, so these are my chief concerns - will they port ok? ...
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0answers
127 views

Issue with color profiles in grayscale images (compared to GIMP)

X-Post https://www.reddit.com/r/photoshop/comments/5v4zid/issue_with_color_profiles_in_grayscale_images/ (slightly edited) Hi everybody! I hope the language barrier will not be noticed (feel free to ...
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0answers
808 views

Resize Selection In Photoshop Like in GIMP

About 15 years ago, I was a Photoshop user. Then I stopped using it and exclusively used GIMP. Now I'm trying to get back into Photoshop and there is one thing that is driving me absolutely nuts. I ...
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0answers
97 views

Is there an automated way to draw pixel measures on an image in GIMP

Question Is there an existing plugin or script for GIMP that performs the same function as the pixelmeasure script described below? Background There is a JSX script for Photoshop (pixelmeasure.jsx) ...
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0answers
1k views

Convert a PSD Photoshop file for Gimp

I'm looking for a script or any another solution to convert a PSD file for Gimp because our developpers use to work with Linux. We've seen that some layers don't work, it is necessary to merge the ...
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0answers
2k views

How to create 9-patch images in gimp?

I would like to create nine-patch images for mobile and web. How can I do this in Gimp? Is there any plugin for creating nine-patch images in Gimp ?
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83 views

I need help with the color to alpha tool on gimp

So I used the color to alpha tool in gimp and it did what I wanted it to but when I saved and exported the picture it didn't apply. what I wanted is to take all the white values and make them ...
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0answers
40 views

how to get results of the node setup in gimp?

Here is a very easy node setup in blender: suppose if we want to see the results in gimp with the subtract mode set on the wave texture we get a result such as this: the results are quite different ...
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0answers
486 views

How to scale Bucket Fill into GIMP?

I'm new with GIMP and I have lot of images for doing patterns with them. The problem is that they are different sizes and I need secific size for specific piece of work. In other applications I could ...
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0answers
1k views

How to setup gimp to recognize input device changes inside of painting area?

Gimp only recognizes a change in input device (from pen to mouse) when the cursor leaves the painting area. If I paint with my pen, stop and then move my mouse it will move the cursor but the brush ...
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0answers
253 views

Which HSV-noise values do not cause artifacts on an LCD screen?

I have come to notice that certain HSV noise filter values applied to a uniform background colour look horrible when viewed on an LCD screen under certain viewing angles. This is more noticeable on (...
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0answers
804 views

Combining screenshot with Apple product image (including its generic status bar) with GIMP instead of Photoshop?

I would like to add a proper screenshot to an iPhone product image to create an ad for an iOS 7 app. Apple provides such product images as *.psd files for Photoshop, however I only have Gimp 2.8.10 (...
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2answers
2k views

How to write Japanese in GIMP text layer?

I am using mac 10.10. My keyboard input source is set to Hiragana, but when I type into a Gimp text layer, the regular latin characters appear and not the Japanese that I expected. How do I get this ...
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1answer
21 views

Quick replacements of corrupted characters for scanned pages

1. Summary I have third-party poor quality scanned PDF's, where start characters of the lines are highlighted. I have numerous bad scanned PDF's, manually alignment of characters for replacements ...
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1answer
13 views

how to de-activate gradient tool in gimp to draw solid lines

I want to draw straight solid lines in Gimp but whenever I hold shift and create a straight line, the end is faded. I want to deactive this gradient effect but don't know how. Even if I set the front ...
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0answers
17 views

Change default modfier keys in GIMP

Is it possible to change the modifier keys for the selection tools in GIMP? https://docs.gimp.org/en/gimp-tools-selection.html Default setting is Shift = Add to the current selection CTRL = Subtract ...
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1answer
43 views

Examples of very basic GIMP scripts?

I want to write some simple scripts to use in batch mode, such as doing a resolution resize, or converting from rgb to grayscale. The old scripts repository seems to have been taken down. I am ...
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0answers
26 views

GIMP changes color upon export to all file types

I have an image that uses this color: But when I export to seemingly any file type (PNG, JPG, TIFF), it changes to this color: I have tried: Setting color management profile to GIMP sRGB Attempting ...
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19 views

In gimp, why does dotted line box show up on my print where I selected and deleted content?

It happens only sometimes. It happened today when I opened a pdf as a layer, drew selection box around some content, deleted content, exported to pdf. Printed pdf and all the selection boxes are ...
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1answer
60 views

Can I fill based on the color of a lower layer?

I'd like to use the bucket fill tool to fill shapes based on the color of the layer below. Ideally totally automatically, like filtering the image. For example: create a new image. Use Filter -> ...
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1answer
47 views

Where Can I Find Blend Mode Math Accurate to Photoshop?

Most results from Google offer equations/formulas for blend modes that aren't reproducible in Photoshop, especially those that involve division such as Color Burn and Color Dodge. For example, RGB(255,...
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1answer
41 views

Gimp does not allow me to select any format other than A0 for new image

I am want to create a new image in Gimp in A4 size. When I click on template, I can’t choose A4 or any other format except A0. Before, it allowed me to choose any format. How can I fix this?
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26 views

Dithering with GIMP python-fu

I'm using GIMP 2.10.6 on Ubuntu 18.10. I'm trying to script an automatic image manipulation, and for part of the workflow I need to dither a layer in my image. I can't find anything in the script-fu/...