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 ...

learn more… | top users | synonyms

4
votes
1answer
734 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 ...
4
votes
2answers
316 views

How to shade region under a mathematical curve?

I want to show the effect of threshold on FAR and FRR( basically the region under a curve with when the x-range is bounded ). To do that I need to do something like this!! image If the threshold is ...
4
votes
2answers
852 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: https://www.dropbox....
4
votes
1answer
814 views

Using GIMP to extract foreground objects using layers

I want to take some portrait shots and then replace the background. I don't have a green screen or anything I can use for chroma keying, so I had this idea that I could take a picture of a background, ...
4
votes
1answer
3k views

How to size canvas and add and retain full image in GIMP?

I am a GIMP beginner and have successfully created images with my desired transparencies in GIMP. However, I have problems with and can't seem to understand the ins-and-outs of image and canvas sizes....
4
votes
0answers
47 views

Photoshop: Is there any analog of the GIMP's Rect Select Tool “AUTO SHRINK” feature?

GIMP has a very useful feature for the Rect Select Tool: "Auto Shrink". It shrinks the rectangular selection to the rectangle of a smallest size which still contains all NON-TRANSPARENT PIXELS of the ...
4
votes
3answers
688 views

photoshop's stamp filter alternative for gimp

In Photoshop using Filter > Sketch > Stamp you can create transformation shown in images below Is there any plugin or any way to do this in gimp? P.S: in gimp Color > Desaturate is not helping
4
votes
3answers
316 views

Why can I create layers, but not layer groups in the indexed color mode in gimp?

I'm making some pixel art in gimp and I so I figured I should use the indexed color mode since I won't be using very many colors. About halfway through my project I realized that I wanted to be able ...
3
votes
4answers
2k views

Is it easy to convert an image to a cartoon with high quality?

Is it easy to convert an image to a cartoon with high quality ? Like this: I've watched this tutorial : but the quality of the outcome is still far away from the one above. Is there a way to ...
3
votes
2answers
551 views

How did they design the Flash logo?

I am just interested to know how was the Flash logo shown bellow designed? How can something similar can be created using GIMP? sorry I can't afford Photoshop. [edit] In addition to GIMP, is it ...
3
votes
2answers
667 views

Outlining photo content (like a colouring book)

I am trying to make a full color photo into just a black outline to be printed and colored in by hand, basically just making coloring pages off of full color photos. I just installed gimp, but cannot ...
3
votes
2answers
18k 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 ...
3
votes
1answer
6k views

Error opening EPS in GIMP 2.8 [closed]

I'm attempting to import an EPS file into GIMP, but it fails. I'm running v2.8.19, and I've installed Ghostscript 9.14 (I think that's the version). I've also gone through setting up the System ...
3
votes
4answers
9k views

Removing shadows in a white background photo

How do I remove the shadow in this photo? I tried fuzzy select on my actual image, the object has grey elements that make it difficult to distinguish properly. I can do by parts, but the real ...
3
votes
2answers
9k 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 ...
3
votes
2answers
206 views

What sort of structure does the slice tool generate when exported as HTML?

When I used the slice tool on each part and export as HTML, does it generate a skeletal HTML code where it consists of frame layouts? I would like to know for both Photoshop CS4 and GIMP.
3
votes
2answers
378 views

Exporting square tiles from a stripe - in Inkscape or Gimp

I am using Inkscape and Gimp to create assets for a word game and am looking for an advice from more experienced users of these great tools. In Inkscape I have created a stripe with 26 letters and ...
3
votes
2answers
6k 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 ...
3
votes
2answers
326 views

How can I apply realistic brush marks on an image?

I wonder how brush marks are applied to images. For example, there are some good marks on the sun graphic below. Are they textural, or do they require some special painting tricks? Any keyword that ...
3
votes
4answers
2k views

GIMP Rounded Rectangle Radius > 100px?

I am wondering if there is a way to make GIMP (2.8 on Mac) allow me to make a rectangle with rounded corners - the radius being over 100 px. This seems to be the current limit. This would greatly ...
3
votes
2answers
4k views

how do I import a vector path from Inkscape into Gimp?

I'd like to take an SVG clipart, pull out particular paths from it, and bring them into Gimp and use them to create selections and/or to stroke. Nothing I've tried seems to work -- even though Gimp ...
3
votes
1answer
45 views

How to edit palette in an indexed image in GIMP 2.8?

I remember in GIMP 2.4 editing palette in an indexed image was as easy as changing the foreground color but I'm a little lost in GIMP 2.8 as there is no Dialog menu. So, I played around a little and ...
3
votes
1answer
193 views

Drag to resize canvas size in GIMP the way I do it in MSPaint?

Any time I prefer Microsoft Paint over GIMP it's because in Paint you can simply and swiftly drag the canvas borders to enlarge it or crop it. I cannot understand why this feature is lacking in other ...
3
votes
2answers
678 views

An opensource equivalent to Photoshop that has Lasso and Warp tools?

Using Photoshop, I can edit the image by using the lasso tool and warp tool, but Photoshop is not open source, I need an open source software to edit the image by using the same tools. I tried GIMP ...
3
votes
1answer
10k 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 ...
3
votes
1answer
4k views

How can I change the opacity of a pasted gif in GIMP?

I have two gifs. I'd like to put one gif on top of the other, but with low opacity. This is what I did: open gif1. create a new layer paste gif2 onto the layer change the opacity of the layer The ...
3
votes
1answer
476 views

In GIMP, how to completely disable anti-aliasing/interpolation while scaling a selection?

I'm trying to design something in GIMP that must have no anti-aliasing/interpolation at all. When I scale up, I want sharp edges with no blur. I can disable anti-aliasing/interpolation while scaling ...
3
votes
3answers
386 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 ...
3
votes
2answers
1k 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 ...
3
votes
2answers
215 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
2answers
1k views

Gimp 2.6.12: modify alpha channel while preserving color

This is for a video game in which a specularity mask is in the alpha channel of the normalmap. I need to create an image where the alpha value for some pixels are 0 (to indicate no specularity,) but ...
3
votes
3answers
3k views

How to draw 3 overlapping circles with different colors?

Is there a free software to draw following in ubuntu? How to color the overlap zone? I am not able to figure this out in GIMP.
3
votes
1answer
5k views

How to create a realistic shadow between wall and floor in Photoshop or GIMP?

I'm inexperienced with Photoshop/GIMP and was hoping someone could tell me how to create a realistic (or as realistic as possible) shadow between a wall and a floor as a background image for a web ...
3
votes
1answer
559 views

How can I create the illusion of movement with GIMP?

I am using GIMP to edit my images. I have a regular playing card from a top down, 2D view. I want it to appear as though it were being tossed very quickly. I wanted to remove the top down view and ...
3
votes
2answers
4k views

How can I accurately draw a mockup for an iPhone 5 app in GIMP?

In the Appstore you can show screenshots of what the app looks like to the user so they know what to expect. I am looking into creating an image from scratch of a screenshot of an app. Here's my ...
3
votes
4answers
2k views

Remove white part of every color to make lighter parts more transparent

My problem is so general, and there are version-dependent plug-ins for the problem not working with my version. I also found workarounds that are not the correct solutions. I would to convert my ...
3
votes
2answers
1k views

Reverse-engineer alpha channel

This is something that I stumble over occasionally. I have an image that was clearly created using some form of blending / alpha channel magic, usually for things like smooth edges. For example: ...
3
votes
1answer
703 views

Letterpress effect with an inside glow

I have been using a letterpress effect on the buttons and titles of my website to great effect, but now I'm trying to incorporate a glow effect for mouse overs and such. I have been trying to ...
3
votes
2answers
322 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/...
3
votes
1answer
551 views

gimp - animation formats besides gif

Using Gimp 2.8.4 I am developing an animation for a game in gimp. The game does not require a gif animation - I load individual images as frames, usually pngs, and animate them in the game engine. ...
3
votes
1answer
920 views

Removing a grid from an image

I'm doing some image processing to detect bubbles in oil. One of the filters I use creates a grid in my image. If you look closely at the image you can see horizontal and vertical lines through the ...
3
votes
3answers
916 views

How do I create an abstract image with a color gradient with Gimp?

I want to create an image that looks like this: How can I recreate this effects, or what terms should I use for finding better results?
3
votes
2answers
1k views

Separating a stock photograph from background

I purchased some stock images for a website I'm building (I'm a programmer, with relatively no design experience at all). The issue at hand is, like most stock images, the images I purchased are on ...
3
votes
2answers
3k views

What's the best way to create a subtle, barely noticeable texture? [closed]

Using Gimp (or other free software), how would I go about creating a subtle, "mild" texture, like the green in the header at forrst, or the gray in the background of the backbone.js home page? Those ...
3
votes
1answer
6k views

copying selection shape in gimp

I'd like to copy selection shape in gimp and then paste it somewhere else (I've got first half of the image and I'd like do make it's mirror reflection). Do you know how can I do it?
3
votes
1answer
53 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 ...
3
votes
2answers
914 views

Can I change the default Gimp transparent background to white?

I'm using Gimp 2. The default grid-style transparent background makes it incredibly difficult to get a sense of what the image will actually look like, when I finally display it over a background. Is ...
3
votes
2answers
631 views

In GIMP, how can I change one solid colors to multiple color variations?

I'm not really sure how to ask this in words, but I used to use a program along time ago that would change one solid color into multiple variations. Say I have a solid red square, but I want it to be ...
3
votes
3answers
2k 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 ...
3
votes
1answer
2k views

How to quickly set GIMP selection aspect ratio to that of the image?

If I don't know the aspect ratio of an image, what is the most efficient method to set the selection aspect ratio to that of the image? The fastest I've found (not fast at all) is to look at the ...