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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2answers
913 views

How to make lines thinner one one or both ends in gimp

So I started playing with gimp not so long ago and I can't figure out how draw line which is thinner on one end or even both kinda I want it to look like pencil sharp end see image and you will ...
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1answer
396 views

Adding a black-white mask image as an alpha channel to other image

I have a BMP image without an alpha channel. For a game texture, I would like to add a "mask map" which is a black / white image which tells which regions should be transparent. To do this, I first ...
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1answer
456 views

Erase part of selected object

I have duplicated an object. In the attached screenshot, this object is outlined with a dashed white line. I would now like to use the Eraser to delete a part of that object. However, GIMP doesn't ...
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1answer
416 views

GIMP smooth brush doesn't draw smooth

I'm trying to paint a smooth dot with the 50% smooth brush. However, GIMP draws it sharp instead of smooth. What am I doing wrong here? "View->Snap to Grid" is turned off. Thank you.
6
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2answers
12k 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.
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3answers
269 views

Wish to make a GIMP layer visible to me, but “hidden” to GIMP

I am attempting to create a color-coded grid diagram for a cross-stitch pattern. As shown in the attached image (sorry it is a little blurry, this is just my test run), I have a white "background" ...
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2answers
926 views

How to add ability to scale your skills in your resume/CV

I would like to implement a skills bar chart into a resume template. I am using Gimp for this project and am trying to find ways to implement this feature. Example below.
1
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1answer
446 views

GIMP Gradient Tool Issue

I can't use the gradient tool at all. I have a certain area selected, and try to use the shape gradient in that area, but I just can't! There's a circleslash on the icon. I tried every shape, ...
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3answers
781 views

Gimp: Draw border around selection using the corresponding colors

If I select a specific area, I want to increase that selection by one pixel in all directions. I know that I can do that through the Grow function. But I also want to fill in the pixels that have been ...
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1answer
741 views

Wrap image to other side of canvas

I'm working on a project where I'd like to be able to move an layer on a canvas, but have that layer wrap around to the other side if it goes off the edge of the canvas. So if I had this originally: ...
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2answers
341 views

easiest way to create a GIMP PATH with handles out

I am a firm believer of GIMP, but sometimes find it hard to do things that seem to be simple. To create a path around a figure, I'd like to sprinkle some points and then move each point to the exact ...
3
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1answer
786 views

How to reduce enormous GIMP (XCF) file size for simple photo correction

Thank you in advance for your help. I am a fairly new GIMP user with no Photoshop experience, so bear with me. A batch of 600 images was ruined by something inside the camera that caused a smudge to ...
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1answer
52 views

Changing some instances of a color to another

I have this: and would like to create this: My thinking is that it can be done through the following methods; 1. Find a way to replace some of the white to gray at random. 2. Manage to ...
2
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1answer
236 views

Limiting the Selection by Color to a Specific Area of an Image in Gimp

On this image, I'm trying to make the name in black letters transperent I have this image in Gimp where I need to select a specific color (namely the name circled in blue) to make transparent; ...
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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 ...
2
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3answers
78 views

Gimp- how to switch/exchange photo

I'm new to gimp. I have created a graphic where I used patches to trace and cut shapes. I've attached the image. I want to be able to create duplicate files using different colour sparkle images. I ...
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3answers
79 views

How can I make the hard color transitions in this image less extreme while still keeping the image quality?

So I have this image. In the image, there are hard changes in color like this. In paint.net, how can I make those transitions less extreme without losing any of the image quality and tileability? I ...
1
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1answer
285 views

Gimp wrongly adding alpha to imported png

Some PNG images are not imported correctly. Is it something in the settings or is it a bug? Running GIMP 2.10.2 | Windows 10. Original png with alpha: GIMP print screen: GIMP Exported:
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3answers
1k views

How do you move just the selection box without moving the pixels in gimp?

I have a simple selection box around an icon. I want to keep the selection exactly the same size and move it to the right. How can I drag the selection box without moving the pixels with it? It's ...
2
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2answers
9k views

How do I change the color of a png image in GIMP?

I have a png image that I'm using with GIMP that is only one color. I would like to change this color to a different color. Is there an easy way of doing this?
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1answer
41 views

GIMP Bucket ignores saturation value

I need to fill the red area with white colour. As you can see the foreground is very very white shade of pure red. Why do I get fully saturated red instead (the left circle)? Only when I go to the ...
2
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1answer
147 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 ...
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1answer
312 views

How do I multiply colors in GIMP?

I have an image which is a white background with a black logo. The edges of the logo have a range of colors between black and white: If I want to change the foreground color to green, how do I do it ...
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2answers
105 views

How to mix all colours in a JPG to a single colour in GIMP

I have a grey floor tile with some colour texture. I want to mix all colours together so I get a single colour that I will paint my skirting board with. I intend to take a photo of the tile, mix it in ...
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1answer
626 views

Fade an image's bottom edge to white in GIMP? Current method results in far too “harsh” a gradient

I have a series of photos that I'd like to create the effect of them fading to white on the bottom edge in gimp. I have this working very nicely in CSS already with linear-gradient(to bottom, rgba(...
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3answers
438 views

Inverse crop in GIMP

I have an image that has blocks of useful content and blocks of useless content. I would like to remove the blocks of useless content without copy/pasting all of the useful content into another image. ...
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1answer
169 views

Clarifying text in low resolution image

I am desperately keen to be able to read the text in the attached image, in particular the description below the picture of each watch. I have tried but failed using GIMP. Does anyone have any ...
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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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3answers
380 views

Drawn lines have big jaws when using One by Wacom

As shown on image below, drawing in Gimp have big jaws in lines, only when using my graphic tablet, the One by Wacom. I'm also sure it is problem of Gimp because when using Paint Tool Sai, lines ...
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1answer
806 views

What's wrong with gimp alpha channel

My alpha channel for some reason is white instead of white and gray is there anyway I can change the solid color to multi color .
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2answers
1k views

How can I import an image as a channel in Gimp?

I'm using Gimp because photoshop is too expensive. I was making a map for the game Zero-K and I need to add an image as a channel to use the texture, but I couldn't find a way to do this. There are no ...
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1answer
2k views

How to create an arrow in GIMP, with a different colour outline?

I'd like to draw an arrow in GIMP (which was answered by How do I insert arrows into a picture in GIMP?), but the problem is I'd like a black outline (or stroke) for a red arrow. I somehow managed ...
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2answers
1k views

Adding text layer with white background to image by using gimp python-fu

I want to add a variable text (file name) to a photo and fill the background with a color (white) so that the text is clearly visible. How can I conveniently fill the already created text layer e.g. ...
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1answer
888 views

Editing a non-visible, active layer

I just started using Gimp 2.10, and I love it except for one small thing that is absolutely killing me right now. When I set the active layer as not visible and then try editing it (I do a lot of ...
-3
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2answers
164 views

How do I achieve this effect in Gimp or Photoshop?

Anyways, please does anyone know how to achieve this "textured effect" (don't really know what its called. Featured on this banner. I know it's basically a transparent purple layer with some kind of ...
2
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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 ...
5
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1answer
3k views

Gimp: How to export images at a specific dimensional size

Does Gimp provide a way to export an image at a desirable dimensional size, and still preserve the original size while working in the UI? I need a scaled down version of a file I am currently working ...
1
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1answer
929 views

Cropping single layer crops entire cavas?

I don't know what's going with my Gimp, but for some reason when I tried to crop a single layer it cropped the entire canvas. I know that this is abnormal because I've been using Gimp for about a ...
0
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2answers
749 views

Recreate water texture in Gimp

I found this simple tutorial on how to make a water texture. I quite like the look of the texture for the theme of the game I'm working on, but I can't figure out how to recreate it. I don't have the ...
22
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3answers
2k views

Generate colorful streamline pattern (using FOSS)

I found a very interesting pattern, which I would like to recreate: Source I tried to start with the RGB-Noise filter of Gimp, but didn't get a comparable pattern so far. I understood, that there ...
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2answers
160 views

What's the proper way to connect two gradients at an angle in GIMP?

I want to connect two gradients at a 45° angle: As you can see, the transition is not smooth. How can make the gradients blend properly?
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1answer
1k views

How to change background colour of an image in GIMP after increasing canvas size

I have expanded an image's canvas in GIMP and I'd like to change the background colour of the new area created by my increase of the canvas size. I've tried selecting this area but no matter what I ...
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2answers
470 views

Is it possible to create a grid in Gimp that is part of the image?

I want to make pixel art in Gimp, but the grid that I pull up is only a filter. I'd like to get a perfect fill for each pixel instead of having to measure the pixel and line it up each time. Is it ...
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2answers
152 views

gimp changed my image color after using color to alpha

I used color to alpha many times before with other images and it was perfect but when i try with this image it's give me a weird result that I don't know from where is the problem ? the original ...
0
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1answer
157 views

Tips how to draw circle with logo and lines

I'm a complete noob in graphics. I would like to draw something similar to this: I'm able to draw the circles but anything else is beyond my knowledge and Gimp is quite complex for me to understand. ...
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2answers
4k views

How do I deselect a tool in GIMP?

I've finished rotating, and now wish to move the handheld eyedropper under the eye. So I'm trying to deselect the Rotate Tool. If I click on the image, the Rotate box reappears, undesiredly. If I ...
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1answer
804 views

Hard drive contents not showing in GIMP (Windows 10) [closed]

I installed GIMP 2.10.0 yesterday. When I try to open files, there are a few folders listed, such as "Documents" and "Pictures" as well as the letters of the hard drives. When clicking on a listed ...
2
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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 ...
2
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1answer
1k views

How to create a script in GIMP?

I'm using GIMP to do a simple but tedious operation for many images so I'd like to know how I can make a script that will do it for me, or find some simpler way of doing this. I import an image file ...
0
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1answer
347 views

Gimp: How to create a selection from file in Python

I am using Gimp's non-interactive mode, since I want to process a big number of images and their masks. For every image file, I have a mask image file, which consists of 1 and 0s (1 means the pixel ...