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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Toggle eraser by tapping or holding pen button

I have a Wacom Intuos (non-Pro). The pen has no eraser on the rear end. I’d like to set it up so I can press or hold one of the thumb buttons on the pen or a key on the keyboard to toggle between the ...
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Gimp: changing all shades of a colour to another colour

Have an image which is (basically) greyscale, white on black. I want this to be green on black instead. This answer seems close, but I cannot get it to work. I probably do not understand steps five (&...
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Stroke all pathes in a GIMP File

I have been working on a picture file which contains lots of paths. The file is a flow field visualisation picture, and I've traced the individual streamlines in the picture with the path tool to ...
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How to paint a layer mask with varying edge hardness

I would like to paint a layer mask over a photo with blurred edges in some areas but hard edges in others (basically where the mask matches the subject's silhouette and a blurred layer mask creates a ...
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How do I make an image look like vector art?

How do I make an image look like vector art, as in the IOS 14 default background images? I would like to make landscape images look like they are vector-styled. Artistic perfection isn't needed, my ...
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Force GIMP treating pixels as linear values

I have an image with no color profile information, that GIMP treats as sRGB, but actually is linear. Is it possible to switch to linear mode, without touch pixel values.
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Alpha to Colour in GIMP (for real)

The question has already been asked, but the accepted answer is really not what I'm looking for. I want something that measures the alpha value of every pixel, and turns that into a given colour. So, ...
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How do you smoothly blend these two (permanently merged) layers together?

In GIMP, my background is a solid color.1 On top of this background, I placed an image; then I used a patterned fuzzy eraser tool to cut away all of the image which I didn't need.2 And I merged the ...
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GIMP: Disable Anti-Aliasing/Interpolation when Drawing

Is there a setting that controls image interpolation when drawing? I want to create pixel art, and it is really annoying when the brushes paint the outher pixels of each stroke with some opacity.
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How do I enable the selection of different types of mode of the blur tool?

I'm using GIMP 2.10.2 in Spanish so not 100% sure the english terms I use here will be 100% correctly translated. I want to be able to set the different modes of the blur tool, now it's set in "...
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Will a PDF imported and rasterized in GIMP at 500 DPI lose quality when exported back to PDF?

Suppose I have a single-page 5x8 PDF with text on it, exported from LaTeX. If I import this PDF into GIMP at 500 DPI, then export it as a PDF, will this process make it show any loss of its original ...
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How to correct the color of one image based on another image in GIMP?

I have an image that I want to adjust in GIMP to make it look like a target image which is approved for printing. I'm just not sure how to get from the source image to the target with GIMP. Source: ...
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How to create parabolic surface (or reflector) with GIMP?

I can create 3d ball (spherical) shape with GIMP but now I need round surface that's curved inward. How can I do with GIMP?
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When copy and pasting a selection in GIMP it will have spots of transparency

I used the fuzzy selection tool select an outline and when I tried copy it into a new layer, It will have spots of transparency. I've tried saving the image to my disk but when reopening the saved ...
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How to use PhotoShop to cut out unwanted full height portion of an image?

I want to cut out unwanted full height or full width portion of an image. For example, in below gif image, I'm cutting out unwanted full height portion from the image. How to do this in PhotoShop or ...
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Is there a tool that can mimic MS Paint Selection + Shift + Arrow?

I know this sounds silly, but this one of the reasons I prefer to work on Windows – one feature in MS Paint... When you select something in MS Paint, you can move that selection with arrow keys. If ...
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Radial (star-like) distortion of a circle in Gimp

I'm new to Graphic Design. I use Gimp and I'm trying to create a blurry flower-like or star-like shape, starting from the circle below. I have a hard time looking up how to do this, because I don't ...
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How to stroke path in Gimp with single color

I'd like to obtain a vertical dashed line with the dashes having a single color. The way I though to go about this is by stroking a rectangle and removing three out of the four sides to obtain a ...
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Using "Clear" instead fills with the background color

When I press the Delete key or use the Edit -> Clear option, GIMP instead 2.10 instead fills my selection with my background color. How can I actually delete (set alpha to zero) the selected pixels?...
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Batch Process to cut same shape and location from screen capture image

Background During my online D&D session I grab period screen captures of the active window which is showing a 2D map or the area my token can see. As a result, all the images are the exact same ...
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How to draw 300 lines in a circular pattern?

I am trying to draw a spoke pattern with 300 spokes converging on a circle at the center in Adobe Illustrator. I would like each spoke to represent a different category at the end. And the middle ...
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replace one color with another, including gradients with other colors

I'd like to replace, in GIMP, the white in this image with another color, like blue, but without affecting the dark grey that's on the left side of the gradient transition between the white and the ...
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Does Gimp Have a Binary Function to Detect Region as Light or Dark and use it to make corrections?

In this example i would like to turn the background white and when you look at the scattered hair it obviously is really hard if not impossible when using the magic wand tool. The magic wand tool does ...
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Converting image from RGB color space to CMYK and removing ICC profile

I generated several figures for a manuscript using Lucidchart and exported these figures as PDF. Because the journal I am submitting to requires images to be in CMYK color space, I used GIMP and the ...
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How do I use the curves tool on HSV values in GIMP?

When I click the "Channel" dropdown in the Curves tool in GIMP, the available options are "Value", "Red", "Green", "Blue", and "Alpha". ...
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Revert the brightness and contrast of an xcv file to original

I have an image in my xcf file that is too dark at some region, then I change the brightness and contranst of that image. But, after I done path, now I want to change the brightness and contrast ...
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Pinning together two layers at a point GIMP

In GIMP, I'd like to pin together two layers at a point so that the two layer can be translated horizontally and vertically together but there is a little more freedom in the rotation. Like a ball-and-...
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Redraw a xcf file in GIMP

I want to redraw a sketch. Previously the drawing uses brush size 10 and line size 10. I want to change the width of the line to 5 without redrawing. Can I do that?
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GIMP python-fu export all open images to pdf error

I can get the current images open using gimp.image_list() but how can I export them to a single pdf? The function pdb.file_pdf_multi_save() does not work. I do not intend to use ImageMagick, not sure ...
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reduce the available colours (palette) in GIMP to only two

I drew a picture of my (future) living room and manipulated the photo's brightness and contrast until I arrived at the attached sketch. I managed to replace stray colours in the palette with Colors --&...
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Gimp clone tool not working

Gimp version: 2.10.30 OS: Arch Linux When I try to draw using the clone tool, I just get a message saying "Set a source image first". I'm holding down Ctrl while clicking to select a source, ...
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GIMP: Tools Don't Work

Recently I did something in GIMP, and now no matter what image I open, (almost) none of the tools work. I can't draw, I can't erase, I can't make a rectangle or fuzzy selection ... the Move tool is ...
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Image Batch Processing: Remove horizontal slice of an image and fill its void by the surrounding areas from above and/or below

Original Images & Desired Outcome I have a batch of PNG images which need the same automated image processing: Middle part (red) shall get eliminated entirely and its void filled from above/below ...
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Effective background removal from portrait photo

There is a nice tool provided by Adobe for removing bacgrounds for photos, https://express.adobe.com/tools/remove-background. I have tested it with portrait photos meant for documents, and it works ...
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Are Gimp's TinyScheme and AutoCAD's AutoLisp similar?

If bouth TinyScheme and AutoLisp are dialects of Lisp, it's easy to use AutoLips if you know scripting in Gimp?
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Can I make noise on one specific color with gimp

So im creating a texture pack for minecraft and am curently making a texture for a creeper. I allready made a face but found it a bit boring I would like to see the green color have some darker/...
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1 answer
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Addition layer semi-transparency

I'm trying to export a semi-transparent png. There is an addition layer with giving a bloom/glow(not really sure what to else call it) which shows up fine when there is a black background, but ...
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how to select a rectangle (to crop to) in gimp?

How can I select a rectangle and crop to it in gimp? I opened an image. The rectangle selection tool is apparently selected. The mouse cursor consisted of a cross-hairs, a no-entry sign, and a double-...
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How to smooth edges between two contrasting layers

I am using GIMP to create altitude profiles for the stages of a planned bicycle tour. Playing around on my first attempt, I created the profile below. (Note the smooth edge between the land and sky.) ...
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Cannot draw freehand lines (pencil) in Gimp - lines are straight/diagonal?

I have used GIMP for ages, and I've NEVER seen this before... When I try to make a freehand line, it comes out all jaggy, since somehow horizontal/vertical/45 degree lines are preferred apparently: ...
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How to set next layer's boundary to be limited to previous layer's outline?

You draw the black ink outline of an object as an enclosed ellipsoid shape, and therefore want the next layer, which you'll use to color-in the ellipsoid, to be bounded to that previous ink layer, to ...
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How to give a .gif animation variable frame delay speeds in Gimp?

When exporting an animated gif in Gimp (each layer is a frame of the animation), you can set the speed between each frame (layer) as a fixed number, by default 100 milliseconds. How do you instead ...
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How to morph between two images as an animation?

Say a portrait is in color, and you duplicate it but in black-and-white. How to create an animation as .png using Gimp that cycles between the two images by gradually morphing them together in a loop ...
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Imported PNG images in Gimp aren't transparent

I opened a PNG image as a layer in Gimp, expecting the background to be transparent. Instead, the whole squared background is visible and covering the image under it. What exactly am I doing wrong and ...
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4 answers
155 views

How to solidify the outline of an image that has feathered edges?

Imagine saving a .png image of a solid-colored circle that is on top of a transparent background. However, the circle is filled with that solid color in such a way that towards its outer contours (...
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Issue with letter spacing in a justified GIMP text block

I'm working with a block of text in GIMP that consists of three short paragraphs, which are full-justified in their text box. The first paragraph seems to be perfectly fine; spacing between words ...
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How to find actual hex value of color opacity in GIMP

I have a layer of color Red. It is a little transparent. I want to find actual RGBA value of it. The opacity is in percentage an I want the hex value of it. Is there any way, thanks.
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How to create a cylindrical circle in gimp

I want to create a similar 3d cylindrical circle as highlighted in the black rectangle How do I do this in GIMP?
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1 answer
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Text added to image in GIMP is too low resolution

I am very new to GIMP and am having trouble with a project. I am trying to add text to an image to create cover art for an album. I have added the image, which is 1000x1000 pixels, and then added some ...
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Where is the search bar that can search a specific pixel by entering the coordinates of that pixel in Gimp?

Searching the pixel immediately by entering coordinates(x,y) to the search bar. Where is the search bar? I mean there are too many pixels in an image. If we search the specific pixel one by one by ...
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