The Stack Overflow podcast is back! Listen to an interview with our new CEO.

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.

Filter by
Sorted by
Tagged with
9
votes
5answers
13k views

GIMP - How do I change UI DPI?

This is a problem I have been having recently. My screen size has a pretty high pixel density and, as a result, all of GIMP's icons are criminally small and very difficult to look at. I've tried ...
9
votes
2answers
22k views

How do I draw horizontal/vertical straight line in GIMP?

you can consider me new to GIMP. I've tried by holding Shift key, can draw straight line but I want a straight horizontal/vertical line. So, How can I draw straight vertical/horizontal line?
9
votes
4answers
12k views

How do I brighten a part of a picture with Gimp?

Say I wanted to bring out the colors in the shadowy bottom right hand part of the attached image, how would I go about it? I assume I need to restrict the processing to that part but I have no idea ...
9
votes
5answers
3k views

Convert image into mask

I have a green background picture with some shadows. I would like to use it as a mask so I can place it on background with any color (e.g. red or pink) and get the same style of shadows. I tried ...
9
votes
1answer
35k views

Using GIMP, can you “erase” a color?

I'm presently working on an iOS application and I am attempting to reverse engineer their standard alert dialog window. I have managed to figure out what the alpha value on the background it uses is ...
9
votes
1answer
2k views

In GIMP, how do I get the smudge/blur tools to work properly?

I use the smudge tool very often in GIMP while painting. Unfortunately, the algorithm tends to generate a much darker version of what the smudged color ought to look like. For instance, a normal ...
9
votes
3answers
8k views

How do I deal with color spill in chroma key using GIMP?

I'm experimenting with "green screen" techniques to remove the background around a test subject. The test shots were taken in front of a bright green background in moderate to bright lighting ...
8
votes
8answers
14k views

How can I make a screenshot look like a photograph taken of a real surface? [duplicate]

Possible Duplicate: How to get this blur texture effect in photoshop? I'm starting from a plain old screenshot, and I'd like it rotated in 3d, with more distant parts more blurry. Is there a ...
8
votes
3answers
2k views

How to stretch the middle section of an image to a new width in Gimp

First off, I don't use Gimp that often, so what I'm asking may be simple and I've missed something obvious. But... I'm trying to modify the following image in Gimp. The image size is 489x63 however I ...
8
votes
2answers
15k views

How to use- “color to alpha” in GIMP when it is grayed out? [duplicate]

While you try to change the background to transparent- the filter "color to alpha" is not selectable. How to get that changed.
8
votes
2answers
23k views

How can I shrink these areas using gimp?

I have an imagemap. I want to shrink to areas that are pink and are overlays when hovering the mouse over the map to highlight the selected region. Now I can't seem to shrink the pink areas that are ...
8
votes
6answers
18k views

Gimp: Pick color on screen without taking screenshot

Sometimes I want to quickly use a color that I see on a picture, website or program. I usually take a screenshot then open it in Gimp and use the "Color Picker" tool. Is there another way to do this ...
8
votes
4answers
16k views

Fill Canvas with background in GIMP

I have a bunch of images whose size is 750x1000 pixels. I wanted to make them 1000x1000 without risking stretching the depicted object so I have enlarged the canvas and centered the original image. ...
8
votes
5answers
4k views

How to change color of multiple text objects at once

I'm using GIMP and I have a lot of text object in a project that must have the same color. Every time I want to change this color I have to select the texts one by one and change it. Is there a way to ...
8
votes
2answers
40k views

Is it possible to add a background image to all 'layers' of an animated gif?

I have an animated gif with transparent background, and I want to add a background image to all layers: How can I achieve it without adding it to every layer individually?
8
votes
1answer
3k views

How do I do Ctrl-Left-Click operations in GIMP on Mac OS X?

When you ctrl+ left-Click, it's like a right-click in Mac OS X and brings up a menu. I'm trying to clone a selected rectangle as shown here But if I ctrl+alt+ click, I just get a context menu ...
8
votes
1answer
9k views

How to create grid in GIMP (not sure if the filter is good)

I'm a beginner to GIMP, and I'd like to create a grid. I searched Google and all it gave me was to use the Filter > Render > Grid plugin, but for my job all I want to do is something like this: Let'...
8
votes
1answer
3k views

How do I fix this photo (poor quality, saturation, color) in GIMP?

I have a photo with poor quality and lighting that needs to go in a print newsletter. There is some lighting issues, and a blue-ish color in part of the image. I'd like to fix the image using GIMP. ...
8
votes
0answers
383 views

Is there a way to select multiple sprites from a sprite sheet in GIMP? [duplicate]

After you've made the background transparent, color selected the background and inverted the selection to outline all the character sprites: Is there a shortcut or some quicker method/program/tool to ...
7
votes
3answers
19k views

How to add a color gradient to a picture

I felt in love with the way this graphic designer, called Mariusz, has edited this picture. It would be fun to produce something like this for myself. Anyone has some ideas on how to create such a ...
7
votes
5answers
6k views

Select inside/outside of a border

This seems like a basic feature, but I'm missing it somehow. I have the the outline of a state with a discrete colorful border. I'd like to select the border AND the inner contents so I can produce ...
7
votes
1answer
15k views

brightness-contrast does not operate on indexed layers

I want to darken a PNG image in GIMP. I open it and choose Colors | Brightness-Contrast. The application responds with the error message - "brightness-contrast does not operate on indexed layers". ...
7
votes
1answer
7k views

How can I replicate Photoshop's content-aware fill in Gimp for Windows?

I want to remove an object from a photograph based on the surrounding patterns. In photoshop I could use the Content Aware Fill Tool, but there doesn't seem to be any built-in alternatives for Gimp on ...
7
votes
1answer
11k views

How to make retro 80's chrome text in GIMP? [closed]

I want to make images with the cool retro chrome text, like the image below. How do I go about doing this in GIMP 2.8?
7
votes
1answer
15k views

Can't use any colors other than black in GIMP image

I opened a .png file I had in GIMP and started editing it. The image was only black and some transparency. I selected the paint bucket tool, chose white as my color but when I fill in anything it is ...
7
votes
3answers
8k views

How can I modify a GIF that uses “cumulative layers”?

When you save a GIF in GIMP, you're given the option to use cumulative layers (combine) or one frame per layer (replace). Choosing cumulative layers causes the GIF's layers to only contain the pixels ...
7
votes
2answers
11k views

how to trim an image in Gimp [closed]

I wanna trim all white spaces surrounding an image's content using Gimp. Is there some straightforward method, or any trick?
7
votes
3answers
15k views

Export PNG image without alpha channel in GIMP

How do I export a PNG image without alpha channel in GIMP? I have checked a lot, but I can’t find this. I found an option to export PNG images without alpha channel in Inkscape, but I am not familiar ...
7
votes
2answers
2k views

How can I select the convex hull of an existing selection?

I'm trying to remove blue skies with clouds quickly from many images. I've used gimp's Color Selection Tool, which selects the sky but not the clouds. Since all clouds are in the sky, if I could ...
7
votes
1answer
2k views

How to create a saturation map?

Is there an easy way to create a "saturation-map" in Photoshop/Gimp? I need a grey-scale version of an image showing where the colors have less saturation (black) and where they have more saturation (...
6
votes
4answers
29k views

How to add a simple border into an image in GIMP

I'm very new to GIMP and found that doing simple stuff in GIMP is much harder than it should be. All I want to do is add a simple black border around an image layer. I have added this image using the ...
6
votes
5answers
5k views

Forget alpha instead of blending it in Gimp

It's now second time I need this so I'm posting it as a question: When a layer has alpha channel, some pixels may be transparent. I want to totally forget about the transparency. That means, render ...
6
votes
3answers
15k views

Censoring image in GIMP

I need to censor some images (Whole image). I need these images for a essay about pornography in a webpage and I need the images (pornographic pictures) be censored (something like a pixelized image ...
6
votes
2answers
25k views

GIMP: Remove text from background [duplicate]

Im completely new to image editing, so excuse my immaturity... I have the following image: I want to remove the writing on the blackboard and replace it with something different, keeping the ...
6
votes
2answers
46k views

Moving a part of an image with GIMP?

This is the original image and I want to move the text to the right of the image: But I failed, I tried to resize the canvas but then when I move the text the layer gets invisible when put on the ...
6
votes
2answers
8k views

Gimp: removing background from product images

I often have the task of making the background of product images pure white. While preserving the best possible image quality, what is the quickest way to adjust colors such that the background ...
6
votes
1answer
24k views

Why is the Gimp selection pane not going away?

I needed to move something so I copied it and pasted it to its new location and now where I have pasted it there is a selection pane that will not go away. I've tried to move the pane and tried the "...
6
votes
3answers
3k views

Using imagemagick to create vibrant images

I'm in the process of helping out a friend who has a bunch of inventory pics. Most appear faded/washed out, and generally dull. I really like the effect as described here: http://www.abeautifulmess....
6
votes
3answers
12k views

GIMP/Inkscape Text Art from Image: Is there an easy way?

Hello All, is there an easy way to grab an image (or a shape I cut out with GIMP Free Select tool) and then just write text over it and let it fill the shape? I have tried searching for it but no ...
6
votes
1answer
3k views

Gimp, how can I find the positions of a layer?

I need to find the x / y positions for each layer. I've googled but I can't find the answer.
6
votes
1answer
248 views

Where are my pixels?

I have a big image 5100px x 7000px. I have made the background transparent, and I am satisfied with the result: the parts of the image which I wanted to keep are there, and the white background is ...
6
votes
3answers
27k views

How to record action for automatic repeat in GIMP?

I have repetitive actions I need to perform on images that are all consistent. For example I have 100 images with size 100 X 100 What I need to do on each one: 1. scale to 75 x 75 2. export as png ...
6
votes
3answers
17k views

Does Gimp support custom shapes?

Why doesn't The Gimp have drawing tools? Weird isn't it? Something I'm trying to do today, and not for the first time, is take in a picture and just annotate it with a couple of arrows pointing to ...
6
votes
2answers
34k views

Remove white thin border from exported PNG from Photoshop

I have a branding logo saved as a PSD Photoshop file. I'm exporting it to the PNG format with relevant size, but the exported PNG image has a thin white border around the logo. How can I remove this ...
6
votes
2answers
7k views

Overlay a graphic on a photo or image

How would I overlay a graphic (a logo in this case) on a t-shirt and make it look like it's really there, not just superimposed (wrinkles, lines, etc?) I don't have photoshop or any adobe software, ...
6
votes
3answers
25k views

How do you create a translucent white background for text?

I am really struggling to create a white translucent background for text on top of an image with GIMP. Pottery Barn Kids (http://www.potterybarnkids.com/) has one example of what I am trying to ...
6
votes
2answers
5k views

After making a selection float in GIMP, how to move it in a straight vertical or horizontal direction?

I am doing kerning manually in GIMP, i.e. trying to move letters closer to each other, but my hand movements are not exact enough on my mouse so whenever I move a layer to the left or right, it also ...
6
votes
1answer
27k views

how to curve text in an arc using gimp

I have a small tea company and I'm trying to redesign our logo. What I would like is for the text to bend in a arc, as if on a coin. I would like to render the text as if it's "backbone" were ...
6
votes
6answers
6k views

Moving Multiple Layers in GIMP

I'm not talking about applying a transformation or anything; I want to select multiple layers and physically change their order in the layer list (or whatever it's called). There doesn't seem to be a ...
6
votes
2answers
7k views

GIMP: How to center a layer between two others

I want to center some text between two images. The way I've been doing it is: Take the left edge location of the right image. Subtract the Right edge location of the left image. Subtract half the ...