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 ...

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0
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0answers
186 views

Round sharp edges of icon using GIMP or PIXLR

I am trying to make icon and small clip-arts to use in my app but the artwork I import has very sharp edges and they screw up the cleanliness of the app. How to buffer the edges I am using Pixlr ...
28
votes
1answer
109k views

Make image partially transparent in gimp

I want my image to have 60% transparency. How can I do this in gimp?
32
votes
5answers
116k views

Add transparency to an existing PNG

I'd like to use this image on a web site. What I need to do is change the background from black to transparent, so I can use the arrow on my site maintaining the page background. I used Gimp to ...
1
vote
1answer
36 views

registering a simple gimp python script [closed]

I'm a bit puzzled because I'm not able to register any python script in Gimp (2.8). I've tried to follow the docs there are two complete examples, clothify and echo, I've tried to put both on my ...
0
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0answers
54 views

Auto-crop multiple images to get same frame

I have multiple pictures of the same subject but unfortunately the camera was slightly moved while capturing. So these pics have all the same size but they have a small offset, that means that if I ...
1
vote
0answers
37 views

How to detect freely-drawn shape on Inkscape or GIMP?

I would like to have the functionality shown in the following video on Inkscape (preferrably) or GIMP: https://youtu.be/rsFaQZAIZZI?t=18s The user should be able to draw a rough circle, square, ...
3
votes
3answers
1k views

GIMP: How to apply a mask to multiple layers?

I'm new to GIMP, so I'm having trouble accomplishing the following: I want to apply the same layer mask to all of my layers without having to merge them. If this is not possible, the end result ...
-1
votes
1answer
46 views

How do i change the font type of an existing text in a image?

I have certain text in a image and i would like to change the font type to a specific font type such as Sans for OCR processing. Can anyone suggest me any software which can help me do that? The image ...
1
vote
1answer
97 views

How to make a watermark like this? [closed]

If possible I want to make it in paint.net/gimp because I don't have access to PS. I have tried a few programs for massive watemarking but none of them had the option for the text to look like that. ...
2
votes
2answers
2k views

Erase a single pixel in GIMP

I am trying to illustrate in GIMP 2.8 with pixel-perfect precision. The pencil tool allows me to fill in a single pixel without any fuzzy edges or anti-aliasing. However, the eraser tool operates more ...
3
votes
2answers
164 views

Make a selection of image transparent in GIMP [closed]

I have a picture and I want to have one specific rectangle of this picture appear 50% opaque. The rest remains as it was. How do I do this in GIMP?
1
vote
2answers
2k views

How to do material design effects in GIMP

I have been trying like crazy to get the material design shadowing right. Below is the image I created using GIMP. I have the drop shadow, but I think it kind-of needs to go all around the circles and ...
1
vote
1answer
754 views

GIMP is messing up my GIF color index

I'm modifying an existing animated GIF using GIMP. For some reason, GIMP opens it as an RGB file. But after doing a color analysis it told me there are only 255 colours. That's just right! However, ...
-1
votes
4answers
944 views

How to put a new picture in an iPhone image frame

I want to change the screen part of this Iphone image with the screen capture of my own app. I'm trying to do this in Gimp (unless there is a better way?). However, I can't seem to just copy paste my ...
1
vote
1answer
54 views

With GIMP, how to crop a layer to the size of a different layer?

I have multiple layers in my project. I need to crop one (call it layer A) to the size of another (layer B). Neither has the full size of the image. I thought I would switch to B, Select All, switch ...
1
vote
2answers
110 views

Scale down an image in GIMP without losing resolution

How do I scale down an image to a smaller size in GIMP without an unnecessary loss of resolution? I know that I am losing too much image resolution because when I downscale the same image using HTML ...
1
vote
1answer
69 views

Gimp: Creating Transparent Backgrounds

I have Gimp 2.8.16. I have repeatedly attempted to create a transparent background for a simple image with a white background. I have tried this tutorial ...
0
votes
3answers
3k views

.png's made in GIMP not coming out transparent

I've had this happen with more than one image lately. I open an image in GIMP with the purpose of making the background transparent. The first thing I do is Add Alpha Channel. I proceed to remove ...
0
votes
1answer
65 views

how to calculate the rate of loss of colors?

JPEG is said to be a lossy quality image format so most people prefer PNG. When JPEGs are edited it seems the quality does degrade(it's demonstrated well in the documentation of GIMP). How can we ...
1
vote
1answer
40 views

Gimp, OSX: PNG file seem to be saved without the alpha channel

I have followed the instructions in this question in order to cut our the paper-white background from an image and turn it into a transparent alpha surface. The original image (alpha_orig.jpg) ...
0
votes
1answer
69 views

Gimp: making edges less smooth

Most questions are about smoothing edges. I would like the opposite. I have this map: I would like a plugin/filter to make edges more rough. Something along this: EDIT: I think the trouble I am ...
0
votes
0answers
60 views

Need to hide an image behind another transparent image in a .dds file (GIMP)

I just started using GIMP and began messing around with .dds files in a game that has a modifiable GUI. I want to hide an image that is usually always displayed on the GUI in the game behind another ...
0
votes
2answers
39 views

Does layer size matter in GIMP? [closed]

Since GIMP allows to new layers to differ in size from the canvas size, does it matter? Whether a layer of different size from the canvas has uses or hinders.
3
votes
3answers
128 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 ...
0
votes
1answer
61 views

Text not showing up on Gimp 2.8

I am trying to enter text on Gimp 2.8. However, when I try, a cursor just moves across the screen and no text is entered.
5
votes
2answers
121 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 ...
1
vote
0answers
57 views

Vortex-like effect in gimp

I would love to create an effect where lots of vertical short lines are then distorted in a vortex-like effect, like so: How can I make this with Gimp? The image is taken from ...
5
votes
2answers
4k views

GIMP: the closest thing to Photoshop's smart object?

I've been learning GIMP as an alternative to Photoshop, which I haven't been using for design purposes for more than 5 years now. I discovered that there is a new interesting thing called the smart ...
0
votes
1answer
31 views

Layer transparency in GIMP

When you create a layer in Photoshop you can create a new layer and select the transparency when you do it. How does one go about doing this same thing in GIMP? I've seen other answers about adding ...
0
votes
0answers
24 views

make RGBA images to see edges from image in bottom [duplicate]

I have a panorama of mountains and photo, I want to place photo on panorama but I need to see (only) edges of mountains from panorama in my photo on top. So everything has to be invisible besides ...
1
vote
1answer
78 views

Gimp make top half of photo lighter, and bottom half darker

I have a need to show things more dark or "dreary" at the bottom part/half of the stairway, and more light at the top. At the top I don't care about the stair colors so much, I want the sun to be ...
8
votes
1answer
122 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 ...
1
vote
1answer
109 views

How to bucket fill area with a gradient in Gimp?

I have a very simple problem. In the following image I want the pinnacles and other parts of my (admittedly very awesome) castle filled with some color and other shapes or outlines filled with other ...
3
votes
1answer
45 views

UI reasoning in Graphics Design: Why does escape not cancel selection in Gimp?

I am completely new to Graphic Design and I am using Gimp. As you can imagine, the first few steps are a hate-love relationship kinda thing. I found that the selection tool is at the core of the ...
2
votes
1answer
49 views

Can I colorize transparent areas, and make colored areas transparent, in Gimp 2?

I created a shape on a transparent background, but I actually want the shape to be transparent and the background to be a solid color. Can this be done? I don't want to just Select By Color, because ...
0
votes
1answer
233 views

Gimp shadow text not working

I am trying to shadow some text in Gimp. However, whenever I go to filter drop down shadow it gives a shadow to the region I previously selected with the selection tool on another layer. I have ...
0
votes
1answer
48 views

Filling in lines on scanned line art GIMP

Is there an easier way to fill in the lines in a scanned drawing. Easier than just tracing the whole thing with the brush tool. I scanned in my drawing and then used threshold to get rid of the paper ...
0
votes
0answers
35 views

Get the scissor Path

How can I copy the scissor path directly without going through selection and then converting the selection to the path The reason is that the selection to path way create too many points than those I ...
2
votes
1answer
121 views

Make droplets stand out on this photo

I'm trying to modify this image (with Gimp) to make the droplets on the surface where H905 is written stand out as much as possible, and everything else to stand out as little as possible. Would ...
16
votes
5answers
26k 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.
1
vote
0answers
27 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 ...
1
vote
1answer
64 views

How to scale the alpha layer without scaling the image ? gimp

I am trying to write text which larger than the image itself, as you can see in the bellow picture: but gimp doesn't show the complete text, because the alpha layer is smaller than the text size. ...
2
votes
2answers
173 views

Animation over a static jpeg picture

I have a (simple) animation gif file (produced using gimp) and a static jpeg picture. I would like to put the animation gif file into the jpeg picture. How can I achieve that without losing the ...
0
votes
1answer
47 views

GIMP: Can I see other layers while playing with the iWarp filter

It's useful to have the IWarp filter, interactively smooshing parts of a layer around. But often I need to see the layers underneath it while I'm doing that, so I can check that my distortions look ...
1
vote
0answers
84 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 ...
4
votes
2answers
648 views

Export multi page pdf with gimp

I understand that it may be possible using imageMagicks: convert image.mng out.pdf however is there a gimp way of doing this? I also saw this script/plugin which uses convert: ...
1
vote
1answer
46 views

Automatically scaled opacity for multi-layered images

I have several set of images with a fixed background and an object moving in the foreground. I'd like to get an idea of the motion of the object by superimposing images with scaled opacity. If I load ...
1
vote
2answers
102 views

gimp change colors in 2-color image

In Gimp I have a simple graphic image with two colors (a foreground and background color) with anti-aliasing between them. I would like to change either one or both of the colors in the image to ...
0
votes
2answers
34 views

Yellow/black bordered region in layer

After many years of casual use, I'm still very new to GIMP. I've somehow managed to get a boundary around my shapes. If I try to move any shape it is truncated at the boundary. What is this yellow ...
6
votes
1answer
5k 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 ...