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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25
votes
6answers
54k views

How to convert old scanned documents into black and white

I have some old documents that have been scanned, and I want to convert them to black and white. Content should be always black, and background white: I use Photoshop.
33
votes
5answers
96k views

How do I insert arrows into a picture in GIMP?

I'd like to insert perfect arrows (the sort you can make using Inkscape: straight, symmetric tips, of customizable width and length, etc.) into images in GIMP. At the moment the closest thing to this ...
55
votes
4answers
67k views

GIMP: 'move layer' stops working

I'm having intermittent problems with GIMP, where the 'move layer' command suddenly stops working. The mouse pointer changes to the one below: When I make an explicit selection, e.g. CTRL+A on a ...
7
votes
8answers
15k 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 ...
26
votes
5answers
4k views

What's the most efficient way to “blank” old comic word balloons while retaining paper texture?

I'm taking very old (1940s and '50s) comics and trying to remove the text from some of their word balloons. I don't want to just erase their contents to pure white space, though, as the paper colour ...
16
votes
6answers
19k views

Why can't the GIMP align tool select some layers?

When I try to align various layers in GIMP 2.8, sometimes the align tool selects the entire image, not the layer I clicked on. It doesn't matter how many times I try, and closing/reopening doesn't ...
17
votes
3answers
56k views

How to create a one pixel pencil brush in Gimp?

I have googled this and found a number of answers and videos which all say that this can be done by setting the brush size slider in the brushes panel or brush editor panel. I'm either clicking on ...
8
votes
2answers
47k 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?
6
votes
2answers
6k views

Mapping all colors (except background) to a single color in GIMP

I have a spotty image. The image has maroon and black spots (with gradient) on a white background. I would like to convert every color (except white) to green color using GIMP.
5
votes
1answer
2k views

Create a clockwise gradient in GIMP

I was wondering if anyone knows a relatively easy way to create a clockwise gradient in GIMP. If you could imagine a vertical line 1ps wide (The length of the radius), and then rotate it 360 degrees, ...
19
votes
1answer
44k 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 "...
13
votes
3answers
14k views

How to edit existing rectangle selection in GIMP?

I have a rectangle selection. As long as I stay on the rectangle selection tool I can click in the rectangle to change the size. If I switch to another tool (e.g. move tool) and then come back to ...
6
votes
2answers
9k 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
3answers
27k views

How to edit an animated gif in gimp to include transparency?

I have an ajax spinner which unfortunately has a white background in the corners. I want to remove the white and make it transparent using GIMP. How can I go about doing that? I tried opening it in ...
5
votes
1answer
19k views

How do I extend an image by adding blur to sides?

I need to make an image 1080 x 1920. But when I do, the image looks very distorted. Is there a way I can extend an image by adding this blur to the sides of it? Also, does anyone know what this is ...
4
votes
1answer
130 views

How to automatically draw the edge between two regions in GIMP?

I have an image that has areas with different colors in them similar to this I would like to draw a line at the boundary between the red and the blue regions using Gimp. So the end result might look ...
0
votes
1answer
97 views

Need to improve the quality of images with GIMP

I have a number of jpg images whose quality I would like to improve. It is planned to both print them and use them in digital format. I guess to use the GIMP or another programm that I can install in ...
9
votes
6answers
8k 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

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, ...
5
votes
1answer
6k views

Creating a shiny black plastic effect

I would like to create a rectangle that looks like it's made from a flat piece of shiny, polished black plastic. The kind of glossy surface that attracts fingerprints on modern electronics products - ...
5
votes
2answers
12k views

10 pixel square brush in Gimp… how?

I need a brush that is exactly 10x10 pixels. Here is what I have tried so far: creating a brush with a radius of 5. This, of course, results in a brush that is more than 10 pixels wide creating a ...
5
votes
4answers
12k views

How can I create a multi-color blurred background?

I have seen an image with this background. As a newbie I am unable to get this multi colored mixed background. I am able to get just two colors and that too linearly with the Blend Tool. But that ...
3
votes
1answer
21k views

How to add a shadow border to an image in GIMP

I prepared a square and a triangle in Gimp but I am unable to get a shadow around it. I want it exactly like the image below. I tried with filter --> lights and shadow --> Drop shadow but it ...
3
votes
2answers
406 views

What is the correct name of this filter?

Normally, this is what would you would see if you magnified older newspaper images printed in color. (check the background of the attached image) What is this filter called? How can I recreate this ...
3
votes
1answer
3k views

How to make a glowing neon perspective grid in Gimp?

I’ve been experimenting in GIMP; I didn’t get on so well with Inkscape. I want to get into retro designs in an 80's style. I found this old (closed) question with an 80's text made in GIMP but the ...
3
votes
3answers
4k views

Batch Processing

I need to batch process 100's of images in one go, these are largely product photographs for my e-commerce store & the task are repetitive such as white background , image resizing,and compressing ...
2
votes
1answer
8k views

Gimp - jagged pencil and brush strokes [SOLVED]

I am using Gimp 2.8.14 on Ubuntu 14.04 and a Wacom tablet (Intuos 3 6x8). My problem is that I cannot make a smooth stroke even when I check the Smooth stroke in the Tool Options panel. When I do ...
2
votes
3answers
2k views

Automating the Creation of Geometric Shapes?

How can I draw geometric shapes, or other regular shapes, such as a gear, using macros or scripts? I'd like to experiment with creating games by combining elements, similar to geoDefense: http://www....
1
vote
3answers
3k views

The simplest replacement of color in PNG icons

I need to replace the color of some PNG icons. Examples: shall become JavaScript2 http://www168.lunapic.com/editor/working/146856450596963-bt-5. shall become: YAML2 http://www168.lunapic.com/editor/...
1
vote
2answers
2k views

GIMP: find midpoint / arbitrary division between two points

How do I find the middle, or n/th division or percentage of distance between two arbitrary points in GIMP? Like, I have an object / a line of arbitrary length / two guides, placed in arbitrary place ...
1
vote
5answers
7k views

How to render text as brush stroke?

Is this possible to render a text as a certain brush stroke, so that the text seem to look like painted with a brush? Not looking for any generic paintbrush-effect or fonts. It has to be a brush from ...
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. ...
5
votes
6answers
72k views

How to sharpen text in GIMP?

I have two layers. Layer one has the background image (some landscape) and layer two is colored. Layer two is above and I insert a text on top of layer two and merge it with layer two and then set ...
5
votes
1answer
8k views

How can I prevent Gimp from automatically changing colors of a .png?

So I am editing a .png file from a website that I am working on. I downloaded the image (.png) and it has a yellow/green color in one of the objects. This color is important because it matches with ...
4
votes
2answers
5k 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 ...
4
votes
3answers
2k views

Why is GIMP's rendering fonts differently than other applications?

I noticed that if I compare the same font-family and font-size from other applications to GIMP, the output is different. In the image below, on the left is 8pt Microsoft Sans Serif rendered in Word ...
4
votes
3answers
2k views

Plugin or brush for transforming a photo to a fractal in gimp?

Folks, I've been looking all over for a plugin or brush that will help me take a photo and reduce it to that 'electric look' (or fractal?) that i'm seeing in various places. I'd vastly prefer one for ...
4
votes
4answers
1k views

GIMP: Background removal gives gray fringe, when exported as PDF

I cut a region out of this Wikimedia Commons picture: I simply used the free select tool to cut out the part (ctrl+x) and inserted it into another image without background. However, when I export ...
4
votes
3answers
2k views

Batch replace image color

I have plenty of images made up with the same color, just like those: Now what I want is to change their "main" color from "#3d507d" to "#7C0A0A". I tried to do that by changing the "hue/...
4
votes
3answers
17k views

Edit multiple layers in Gimp

Is it possible to apply things like brightness/contrast or hue saturation or even filters to more than one layer at a time in Gimp?
4
votes
3answers
3k views

In Gimp, how to resize a Selection after it's been used?

The question is probably not clear on one line! Here some details: made a circular selection (Ellipse Select Tool) to get a perfect circle just after, using the mouse, resized that selection by ...
3
votes
1answer
8k views

editing several hundred images - GIMP

I'm working on a project that requires me to change several hundred images(somewhere around 550). They're all the same size and type. Each image needs several color corrections. Initially I use color ...
3
votes
2answers
20k views

Scaling image in gimp without losing definition of characters

I'm working with a .png (a logo with text) found here. When I import to gimp and try to scale it down, to fit my canvas, the text above "DON DAVIS LECTURESHIP... etc" becomes illegible from ...
2
votes
1answer
203 views

Evenly distribute text diagonally along the whole image in Gimp

How can I use the alignment and distribute tool in Gimp 2.10 to achieve something like this: |-----------| | A | | B | | C | |-----------| Where "B" is text that is the exact ...
2
votes
3answers
249 views

How to simulate weather conditions over a group of images

I'm working on a machine vision project and work with a sequence of recorded stock images to test my algorithms with. They are city images that were recorded in relatively good weather conditions. Now ...
2
votes
1answer
6k views

GIMP - How to make a GIF with transparent background

As the title suggests, I'm trying to make a GIF in GIMP to use as a logo in After Effects, however, it's not going well. What I expected was just the gif with the transparent background I made using ...
1
vote
1answer
988 views

How can I change the color of images in GIMP?

I'm creating a login form like the following. Now I have the color versions of the images but I don't know how to make them black and white. Can you help me?
1
vote
3answers
4k views

Text on a curved path in GIMP

I am trying to make some text follow a curved path in GIMP. I want it to look similar to the text on the "Galaxy Quest" posters. I have altered the text, so I can no longer use the 'text to path' ...
1
vote
1answer
1k views

Scaled layer in background for 8 bit art

I want to create some 8-Bit artwork using gimp. Is it possible to open a larger, higher resolution image and have it transparently in the background while drawing the 8 bit representation of say, ...
1
vote
2answers
3k views

Gimp : difference between crop and canvas size

I would like to know the difference between the crop tool and changing canvas size. If I reduce the size of the canvas, a yellow dashed line stays around the previous size. On the other hand, when I ...