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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1answer
219 views

Crop a big image into several small size pictures using GIMP 2.10.10?

Crop a big image into several small size pictures using GIMP 2.10.10? I tried the steps suggested in this forum to do the above. Iam not able to find this one working for recent GIMP 2.10 tool. I ...
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2answers
145 views

Creating a realistic foil effect on black/white images in gimp or photoshop

I would like to transform images like this one: Into effect similar to something like here But the best I could do was this (don't mind picture frame and scenery, irrelevant) I did it by uploading ...
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3answers
156 views

Increase opacity for PNG in GIMP

I have an image already at 100% opacity but the whole image is partially transparent (with a transparent background). Is there some way to uniformly increase the opacity (effectively going beyond the ...
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2answers
142 views

Limit wacom tablet to drawing area?

I've recently bought a Wacom tablet and tried using it with Gimp. Everything works fine so far, I'm just tweaking some things here and there to make it more comfortable for myself. Something I do for ...
3
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2answers
819 views

How to draw a non-defect transparent line?

Gimp is pretty good to draw a straight lines. It is easy as 1) set first point with left click and 2) set second point with shift+left click: But when I set opaque to 30-70%, small defect is appeared ...
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0answers
47 views

GIMP changes color upon export to all file types

I have an image that uses this color: But when I export to seemingly any file type (PNG, JPG, TIFF), it changes to this color: I have tried: Setting color management profile to GIMP sRGB Attempting ...
2
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1answer
47 views

Text-only image tabs in GIMP?

Is there a way to make image tabs in GIMP ver 2.10.12 only contain text (e.g. image file name, etc.)? I couldn`t find anything on the topic in GIMP preferences.
5
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2answers
12k views

How to lock a layer from changes including position changes?

Very standard use-case to lock a layer from unintentional modifications in graphic tools. How is this possible in GIMP? I've tried the "Lock pixels" "Lock alpha channel", also the layer menu doesn't ...
1
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2answers
70 views

How to delete a unit of measurement from the Units dialog?

In GIMP 2.10.6 there's a Units dialog (Edit > Units) where you can add your own units of measurement, but there is no obvious way to remove them. How can you remove custom made units of measurement?...
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0answers
31 views

In gimp, why does dotted line box show up on my print where I selected and deleted content?

It happens only sometimes. It happened today when I opened a pdf as a layer, drew selection box around some content, deleted content, exported to pdf. Printed pdf and all the selection boxes are ...
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1answer
145 views

using pencil with 1 pixel in GIMP has no effect cannot draw on any layer

I wanted to start trying to make some pixel art characters. I tried 128x128 and even 16x16 image. I have grid enabled and snap to grid enabled (even though the cursor doesn't appear to snap to the ...
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1answer
40 views

What's the difference between “Pixel” and “RGB” in GIMP's Pointer Information dialog?

The following dialog (in GIMP 2.10) shows two different R, G, B values for "Pixel" and "RGB" settings: Why are they different? I assume that "Pixel" means the pixel value as stored in the image (in ...
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2answers
156 views

Easy and fast first steps to substantially enhance pictures [closed]

This question is meant to serve as a basis for (possibly) some follow-up questions. I will not be asking about any specific, just general methods of what to do rather than how to do it. A friend of ...
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3answers
717 views

Can I completely remove lens distortion from any image?

Let's say I have the following image: I want to completely remove lens distortion here, hence all straight lines of the real world must be straight at the image too. I'm trying to use filter "Lens ...
12
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1answer
14k 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 ...
2
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1answer
151 views

What specific limitations does GIMP have compared to Photoshop?

I am considering switching to GIMP. I would like to know how GIMP compares to Photoshop in terms of functions overall. Are there things that Photoshop can do, that GIMP cannot?
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2answers
19k views

How to unlock the alpha channel lock in gimp?

In the layers dialog, there are two things you can lock and unlock: pixels (looks like a paintbrush icon), and the alpha channel (looks like a checkerboard next to the pixels icon). Supposedly, you ...
8
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2answers
42k 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?
13
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2answers
17k views

How to copy a layer group to another image in GIMP?

In GIMP I have 2 images with exact same size and properties but different layers. Now I have a relatively large layer group, which I would like to copy to the other image. As usual I copy and paste it....
4
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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/...
2
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1answer
121 views

Gaussian blur leaves hard edges in GIMP

I am using GIMP version 2.10.06. I am trying to blur text in the color 36ffaa (RGB: 54, 255, 170) on a transparent background and for this, I am following this tutorial. When I try to make the large ...
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6answers
14k views
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0answers
121 views

How can I remove anti-aliasing color artifacts using Gimp?

I have been working on vectorizing a series of 604 photos for a very long time. After all that, I figured that the best way to vectorize such a photo is to: Turn it to solid colors (i.e. remove the ...
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1answer
43 views

Gimp: Add border to half elliptical section

I am trying to add a colored border to only the half elliptical seen in the image. Is there any way to do this? I have been trying everything possible and have looked all over online. I originally cut ...
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1answer
50 views

Cropping a PDF and scaling part of a PDF

I have an 8.5×11 PDF which has some stuff on it and an image I want to crop turn it into a 4×6 format. I used GIMP to crop the image, made a new template, pasted it (it just sits in the center, but I ...
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2answers
14k views

Hard edges on bucket fill tool in Gimp

I am trying to fill a selected region using the bucket tool in Gimp. I want everything to have hard edges, no gradual shading unless I do it myself. However, when I fill the region I end up getting ...
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1answer
54 views

how to get a gradient (not color!) effect in paint.net or gimp

Is it possible to obtain a gradient (aka gradual) distort (or other) effect in paint.net or gimp? How? I mean, for example: 1) pixelate: start on the left with pixels 2x2, and end on the right with ...
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2answers
832 views

Clipping path in Tiff. How to make use of it?

I got a TIFF with an embedded clipping path according to the photographer. I do not know how to use this clipping path. When opening the TIFF with gimp I don't see any hints or elements concerning ...
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0answers
44 views

Dithering with GIMP python-fu

I'm using GIMP 2.10.6 on Ubuntu 18.10. I'm trying to script an automatic image manipulation, and for part of the workflow I need to dither a layer in my image. I can't find anything in the script-fu/...
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1answer
32 views

Edge quality goes down when exporting with Gimp (no compression, any format)

This image looks pretty in Gimp’s native XCF format: : After exporting to any internet format without compression it looks like this: What’s the reason for this loss of quality, and how can I avoid ...
1
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1answer
771 views

Changing DPI in GIMP

I'd like to open a PNG image in GIMP, change its DPI, and save it (overwrite the original file). I only want to change the DPI and nothing else. I mean size, colors, transparency, compression etc. ...
4
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1answer
2k 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 ...
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1answer
47 views

GIMP Change color of black icon with transparent background

I have a black icon and I want to change the color of this icon with GIMP: Now I trying to turn the black color into red: Colors → Map → Color Exchange (From color 'black' to color 'red'). But GIMP ...
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0answers
31 views

How do I configure GIMP to use a tablet to select options, not just draw on the canvas

I have the wacom Intuos 5 touch (M) tablet installed on Windows 10, and GIMP verson 2.10.8. When I follow these instructions to enable the pen in GIMP (https://www.youtube.com/watch?v=J198Mx75pJE), I ...
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2answers
92 views

Why is the same image being scaled differently by photoshop and Gimp

Heyo, I'm learning web optimization. I needed to scale a large image down from over a thousand pixels... ...to 51x72 pixels. I used GIMP, and simply changed the resolution to 72 ppi (naturally, no ...
0
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1answer
57 views

Tile from selection does not repeat the selection using filters → map → tile

In Gimp I created an image which supposed to be a part of a 80 x 80 px tile set, the image size is 16 x 16 pixels. I try to use the map → tile filter as every one is suggesting, but it doesn't work. ...
0
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1answer
29 views

When I try to change a color everything become purple

I'm trying to change RGB color in GIMP, simple open "Change Foreground Color" and setting new RGB values, but when I set the number in the R field the color become purple, why is this?
0
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1answer
30 views

How to align textboxed on left and right sides

I want to create a shirt design using the same message like this shirt: Therefor I need to align both text box edges and the edges of both red blocks. I tried to do this in GIMP, however only ...
0
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1answer
100 views

How can I heal an area of an image on a different layer?

Using GIMP, I'd like to use the HEAL tool to remove some text from an image. How can I isolate the modifications made by the heal tool to a separate layer, so that I can easily toggle the text on/off ...
1
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1answer
131 views

How to distort an image inside a shape

I want to introduce an image (left) to a shape (right). I mean you would have to deform the image so that it enters the whole shape. I know it can be with liquify or warp, but I would like to know if ...
6
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3answers
12k 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 ...
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3answers
1k views

GIMP - Unwanted white borders after applying transparency layer

I had this image: Which I applied a transparency background: However, the result isn't perfect at all, as letters still have white borders. You can see this in the following zoom: What wrong did I ...
1
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1answer
223 views

How do levels in gimp work?

How to input and output levels work in gimp? for example when we try to fix the color, brightness etc, using curves the vertical axis represents the output level and the horizontal axis represents the ...
0
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1answer
46 views

GIMP - edit mask layer to adjust visible region

What I want to do as following: use remove.bg tool to remove image (bg.jpg) background, I got a png file (bg_remove.png) with background removed (not perfect). use gimp to scale bg_remove.png to the ...
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2answers
388 views

How to get the coordinates for a selection bounding box in Gimp

I'll make a rectangle selection in image. I have to read the left, right, up and down dimensions of this selected region in full image. The following image is an example of this. Edit: Can we print ...
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2answers
66 views

GIMP converting #ffffff to #fdfffc in GIF

I have a GIF that I'm making in GIMP with some whites in the image. The color code before I turn the layers into a GIF is #ffffff. But when I open the image, the whites have been changed to #fdfffc. ...
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3answers
1k views

Tool that will do a circular blur/convolution

I'm primarily a gimp user, but I want something to blur an image similarly to the way a lens would blur an out of focus background. AFAIK this is essentially a circular blur/convolution (assuming ...
0
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1answer
132 views

Cut not working in Gimp

When I use the lasso tool and complete this by connecting it back to the starting point, the line stays solid and doesn't blink. Therefore it is not letting me cut the selected item. How can I fix ...
0
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1answer
84 views

GIMP; Transfer source tonal/color profile to a second image

In GIMP, is there a programmatic/algorithmic way to transfer the color/tonal profile of one image to another when they have similar subjects? I have this image: And then this image: Similar ...
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0answers
27 views

Gimp: cannot set gfig fill color?

Spent half an hour or so trying to draw a simple red rectangle as gfig. Whatever fill color I select, the rectangle remains black. Am I overlooking something?

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