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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48 views

GIMP: Non-linear image scaling

In GIMP, I want to be able to scale an image non-linearly on the horizontal axis. The perspective and mapping tools don't work for this because they change the image vertically for the perspective. ...
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1answer
43 views

GIMP: Why does “Channel to Selection” give such bright values?

As shown below, an extracted channel (here blue) gives a brighter result when using the "Channel to Selection" from the context menu in the Channels panel and creating a mask from that ...
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Why “Fill whole selection” under “Bucket-fill” tool leaves some area partially filled?

I want to mask different type of RBC with different color. After selecting same type of RBCs using Fuzzy Selection Tool (and Remove Holes option) , I used Bucket tools to FIll whole selection. But I'm ...
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1answer
25 views

Text layer names automatically changing

In GIMP 2.10.18 - after creating a text layer, I edit the layer attributes to give the text layer a meaningful name. This is important as I'm working with a python script that will reference the layer ...
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31 views

Automatically apply external script whenever image changes

While editing an image (i.e. while there's a new version of it every few seconds), I would like to continuously see what the newest version would look like after running an external script on it (for ...
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1answer
28 views

How to uncheck Antialiasing in Rectangle Selection in GIMP?

I am unable to uncheck Rectangle Select's Antialiasing in GIMP, every other options works just fine, as well I can uncheck Antialiasing with every other tool. What am I missing?
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1answer
49 views

How to edit a freshly opened image in GIMP? [closed]

I'm using Ubuntu 18.04, I took a screenshot which I saved as a PNG in my Pictures folder. Next, I right clicked the image and selected "Open with other application" to open it with GIMP. ...
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1answer
32 views

How to set a background color to a text layer in Gimp so that the background automatically resizes as you type and the text changes size?

I want to add some text to an image in Gimp with the Text Tool, such that the background of the text layer (a rectangle) is of a fixed color instead of the default transparent background to make the ...
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3answers
76 views

How Do I Make an Image Look Lower Quality?

I notice that when I first load up an image in Photos or some other image viewing application, it seems blurrier for a short amount of time before sharpening. How do I deliberately replicate this ...
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1answer
32 views

Gimp: center layer on another

I have two layers. The background layer is way bigger than the front layer (which contains an image). I want to center the front layer horizontally and vertically on the background layer. I can't get ...
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How to edit the .eps file in gimp or photopea - please help [duplicate]

Can somone please help me, I have a .EPS Text file that i need to edit in photopea but i'm so confused! Below is an example of the text style. So I need to change HONEY to FLAVOURS. When I load it ...
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2answers
84 views

How to edit .eps file in Gimp or Photopea?

I have an .EPS containing text which I downloaded. However, I don't know how to edit the EPS file ? I can load it up into Photopea, however, i can't seem to edit it like a .psd file, im confused. I've ...
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1answer
22 views

How to align separate text blocks in GIMP

Using GIMP 2.10. I have a graphic that I am adding some labels to. When I create the labels with the Text Tool, it puts each label on it's own text layer, which I guess is okay because I can merge ...
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1answer
38 views

Gimp won't let me select the pencil tool

I am creating an image with Gimp but the pencil won't show up. I looked in the manual for the keyboard shortcut and it didn't show it. I tried to open the toolbox and I wouldn't open. I need to open ...
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20 views

GIMP GAP - exporting frame sequence as .png with transparency

I can't find anywhere how to save my frames as .png sequence with alpha channel. Frames are semitransparent grey. I need it because then I want to convert them into .webp animation with another tool. ...
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1answer
22 views

Preview all visible layers in GIMP

I am attempting to wrap an image around a tilted cylinder using the Curve Bend tool, however, due to perspective this is proving difficult. The main issue is that I cannot see the cylinder in the ...
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1answer
78 views

What algorithm do the NoHalo and LoHalo resize methods use in GIMP?

The GIMP resize tool used to have only None, Linear, Cubic/Bicubic, and Lanczos, which are reasonably well documented algorithms that one can do research on, if one is so inclined. I can't find any ...
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1answer
31 views

How to make even intensity straight lines in GIMP with a stylus

When I want to make a straight line in gimp, I press shift and press at one point then another and it makes a straight line in GIMP between those two points. However, when I do this with a Wacom ...
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1answer
18 views

What is the difference between brushes and “MyPaint brushes” windows?

Why are there two brushes windows, one called "My paint brushes" and the other "brushes". I'm wondering, how one effect the other when I'm using the brush tool? Thanks
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18 views

Bucket fill tool fills screen with teal instead of FG color

I want to fill the layer with the white color but when I use the bucket fill tool, it paints the layer with a random (it looks like to me) teal color. Take a look: How do I fill the layer with the ...
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2answers
36 views

Is there a way to adjust hue absolutely in GIMP?

From my understanding, when I use Color -> Hue-Chroma or Hue-Saturation, and slide Hue value, it adds this value to the hue of every pixel in the selection. What I want is to just "colorize" the ...
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2answers
56 views

How to remove the paper texture of a photo on Gimp?

I'm trying to restore an old photo, but it has a lot of dots from the texture of the paper. I'd like to know if there's a way I can solve this without losing the quality. I thought about using the ...
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12 views

GIMP live-updating tilemaps with tile edits

How do I get a GIMP image to live-update with tiles fetched from various different GIMP .xcf files so that when I save a tile it auto-updates inside the tilemap image? I am amking tiles/tilemaps for ...
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1answer
38 views

Pixelated effect doesn't translate well on export on Gimp

I've installed Gimp to do a very simple pixelated effect on images. Now, it IS satisfying in the Gimp interface, but whenever I export it to PNG, I get an ugly faux-pixel result. Any idea where this ...
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2answers
51 views

Generate one cubemap PNG from six individual PNGs

I hope this is the right community to ask. With which free tools could I create a cubemap PNG from six individual PNGs, each being the texture of a cube's side? The cubemap would have to have a ...
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3answers
27 views

Issue with Combining 2 Gifs in Gimp

So I am trying to combine 2 gifs in gimp but my issue is that when editing and exporting both gifs separately they are fine, but when I try to be put them together and exported as 1 then It has issues ...
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1answer
25 views

Gimp arrow_brushes_BW colorize

How to colorize GIMP arrow_brushes_BW http://www.gimphelp.org/arrow_brushes_BW_2.html ? I mean when i try use some another brush on same RGB document with some arbitrary Foreground Color like red or ...
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1answer
43 views

Blending Mode that imitates pigment secondaries

I'm using GIMP2 and found Blue and Yellow are making gray. Red and Green are making gray too. I'm using layers (one per color) and first assumed opacity would get me Green or Yellow in the examples ...
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1answer
30 views

Despite Image Size is equal to the one of an image the image still appears smaller

I have a weird issue I can not wrap my head around. Using Gimp for my game card design I used the Image Size setup of 825x1125 pixels. However when I import the card printing template that has the ...
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1answer
42 views

Change all font color

I have a file saved as .xcf (gimp native file format) with many text boxes. How can I change all the text to a specific color? Right now, all of my text is green (#00FF00), but I want it to be blue (...
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17 views

Automate splitting of layers (based on Guides…or slice)

Hey guys, I want to use gimp or Photoshop to crop an image into pieces on average. Is there an efficient and fast way? Is there an automated way to split a layer into multiple layers based on the ...
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1answer
27 views

How to delete everything outside of selection on layer

I'm learning GIMP little by little. I need to deleted everything outside my selection (make everything outside transparent). How do I achieve this?
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2answers
55 views

How to fix photo perspective and crop to a perfect rectangle?

I have a picture of a document. The camera was not perfectly perpendicular to the document. The top is shorter than the bottom. How do I create a free form selection around the document in GIMP, and ...
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1answer
43 views

GIMP: Procedure for universally enhancing photographs of any type of landscape?

Are there any image retouching that can be done with GIMP to improve the picture of any landscape (snowy, sunny, ...)? If there are photographers and graphic designers among you, I would like you to ...
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1answer
22 views

Bulk croping same portion from multiple file [duplicate]

I want to crop same portion, say rectangular areas from multiple image files which are located at same place in all files. Is there anyway to do it in GIMP? and I also have to do it regularly. Can I ...
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1answer
43 views

Created Icons looks thicker without background - how can I keep it as slick as before?

I have the following icon which sits on top of a couple of layers which one of them is a background for it. I want to extract the icon just the way it looks here for dynamic usage in some design ...
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1answer
21 views

rectangle select, use fractional in aspect ratio

I use the rectangle select to crop an image, but it has to be a fractional number. Let's say 1.6:1 Gimp version is 2.8.16 if I type fractional number GIMP rejecting and back to previous aspect ratio.
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1answer
33 views

Saving .tiff files in Photoshop the tumbnail show a split image

I work in PS the stacked astrophotography images that coming in Raw 32 bit .tiff and then saved in 16bit when working in PS after the first streching on the stacked image. When I finish working on ...
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1answer
34 views

Mac / Gimp / Background to Transparent for Web

I have done this before several ways which is why it is very frustrating now. I read all of Add transparency to an existing PNG but didn't try the "Curves on the Alpha Channel" suggestion from Demis. ...
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1answer
39 views

GIMP variable sunburst gradient

I'm new to GIMP (trying to finally move over from PSP9!) I want to create a sunburst gradient with a variable number of repeats either by repeat count or angle (e.g. 4 repeats = 90 degrees). Is there ...
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1answer
11 views

Replaced selection with channel, can't edit selected area

I am familiarizing myself with GIMP using an online tutorial. The tutorial showed me how to use the selection editor to save my selection to a channel (using the button I circled in red). Then, after ...
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1answer
51 views

Resize background with Gimp

sorry for my English.. I have this image, it is 468px x 531px and I to want to change to 792px x 1040. I search on internet how does it, on image + Canvas size, my problem is when to change the ...
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1answer
18 views

GIMP: image in linear colour still uses perceptual gamma values

After I set the GIMP image preferences to 32bit floating point en using Linear Light, I created a new image. Then I set the foreground colour to R=50%, G=50% en B=50% and fill a rectangle with this ...
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1answer
20 views

Gimp tool options tab shows only GEGL editing

I'm relatively new to GIMP and now having the following problem. As of today, my tool options tab is only showing GEGL-editing. Out of everthing I've tried so far (including reinstalling GIMP) nothing ...
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1answer
34 views

Convert each individual cell in a sprite image from 64x64 to 60x60?

I have a sprite that is a single PNG image with each cell being 64x64 pixels. Is there a way in GIMP 2 to to somehow shave off the border of each cell so that it will become a PNG image that holds ...
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2answers
31 views

how to reduce contrast and saturation to make text over a photo more visible

I used a photo for a book cover and have to place text on the photo. To improve visibility of the text, I want to reduce contrast and saturation in the area around the text (but not for other parts) ...
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0answers
23 views

GIMP: channel mixer does not work as expected

My understanding of the (colour) channel mixer in GIMP is that when I specify e.g. a value of 0.5000 for Blue in the Red channel the result would be that the Red value of each pixel is incremented ...
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1answer
23 views

GIMP: Layer mode subtract does not work as expected

I noticed that the GIMP layer mode "subtract" only subtracts part of the value in the MASK layer. Subtracting 10 from 16 results in 7. Subtracting 10 from 32 yields 28. Subtracting 10 from 64 yields ...
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1answer
708 views

How to make circled enlarge of part of a photo (5Head emote effect) in GIMP

Is that possible to make 5Head of someone's head in GIMP? 5Head is a picture of a guy's head with circled enlarged forehead. I've tried to mark the forehead and do anything with basic tools, but I've ...
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2answers
51 views

Cutting image in half using line with specified slope

Is there a way to use single line with specified slope to slice image in half and delete selected half of the image? (I have been looking for the solution but found only solutions with specifying x ...

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