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  After typing text, i cannot unselect
Posted by: snowforest - 06-13-2021, 04:50 PM - Forum: General questions - Replies (1)

Lets say I have an image and I type a text on it. After I am done, Its box keeps appearing on the screen with dashed lines. How can I deselect it? Because after that when I draw a line on the image, I cannot, and I can only draw inside the text box, well I am done with the text box but I cannot deselect it. This is very counterintuitive. I even tried to select all with the hope that I will select everything but the text box still keep appearing with its nice dashed lines, and now in addition I cannot deselect what I selected. And escape button seems to do nothing in GIMP. I just started to use gimp and so far it is counterintuitive. All I want is to type a text, deselect it, and draw a line on the other part of the image.

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  How to make comic strips in GIMP
Posted by: Brightlightning 85 - 06-13-2021, 08:28 AM - Forum: General questions - Replies (3)

My son and I are keen to try and make a comic strip. The only problem is that neither he nor I are very good at drawing (even though he is better than I am).

I thought that maybe we could use a filter of the type seen in Snapchat to turn photos into cartoons, then to use those images to create a comic strip using GIMP.

Has anyone tried to do anything similar or have any tips as to how it can be done?

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  Newbie deal breaker problem
Posted by: FredM - 06-12-2021, 05:09 PM - Forum: General questions - Replies (7)

Hi everyone,

A colleague has convinced me to test GIMP instead of my old Paintshop Pro.

I am a casual user, usually just removing an odd frame, blurring the background or layers to create thumbnails or backgrounds for videos, which means opening a file, adding some brushes, using clone brushes and retouch and saving it. That's all.

I just realised I can't do that in GIMP. It always saves the file in a different format, the internal one. I found I need to export the result and can't use png or jpg depending on what format the original was in.

So I read up on this issue here, managed to find the folder and tried to install jpeg.exe and png.exe where both failed due to some other file missing.

I am now at a crossroads whether to upgrade Paintshop Pro or dive into GIMP, where I am unsure whether GIMP is actually the right tool for an infrequent and simple user like me. Will GIMP lead me down a rabbit hole which will require a rethink and redoing my pc to suit GIMP?

I've gone and skimmed through a tutorial and watched a few Davies videos. The scope of the program is impressive, but might just be too much for me, which is why I'd love to hear some users provide user-level feedback what they think.

Thanks a lot for your help.

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  Problem With Color Exchange in 2.10
Posted by: tsd715 - 06-12-2021, 01:27 PM - Forum: General questions - Replies (4)

Hello all. I used GIMP 2.8 for my pixel art hobby for about 7 years, but I got a new computer yesterday (MacBook Pro M1, 2020) and decided I should make the switch to 2.10. Despite my longtime use, I only use a handful of tools and, as I'm not super tech-y, I'm always very nervous to mess around with any advanced settings.

One tool I use a ton is Color Exchange, and I never had problems with it on 2.8 using whatever the default settings were. However, now I'm running into a problem where the built-in color selector tool is seemingly coming up with random colors when I click on what I want to change from/to (I haven't messed around with any settings, at least not knowingly). I'll include a screenshot to illustrate the issue. You can see the color it came up with when I clicked the bright yellow is a much more muted yellow. This has happened to multiple colors on multiple layers (though weirdly it sometimes gets it right – it's a crapshoot). I'd really appreciate any advice you could give. Thanks so much!


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  How do you create decorative swirls?
Posted by: Deanna - 06-11-2021, 09:22 PM - Forum: Gimp 2.8 questions - Replies (5)


Can these be done in GIMP?  Is there a way to widen or narrow are line in part of it but not all of it to create images like I've put in below?


GIMP 2.8.22
OS Mojave

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  Foreground problem on Mac
Posted by: Mazzeltje - 06-11-2021, 04:07 PM - Forum: General questions - Replies (6)

I'm using Mac OS Big Sur and use GIMP 2.10. In spite of all the tutor video's I can't create a background to remove. After selecting Foreground at the end of the process, nothing happens. There appear no lining around the foreground. Does anyone recognise this problem? If yes, can it be solved?

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  Anotheruse for the tartan-weave mask
Posted by: Ofnuts - 06-11-2021, 03:33 PM - Forum: Gallery - No Replies


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  What is GIMP's color matching algorithm?
Posted by: trandoductin - 06-11-2021, 02:10 PM - Forum: General questions - Replies (1)

When you have an image that is in indexed color (so it has a palette that contains a set numbers of colors, example 10 colors only).
Then when you bring in an RGB full color image (by pasting it in I guess).
GIMP will turn your your RGB full color image into indexed as well, while trying to match colors of your RGB to indexed as best it can.

What is their formula/algorithm for doing this? I want enough details to replicate GIMP's color-matching functionality.

How can I find it in code in GIMP's source code?

Why do I want to know this?: I want to add a color matching method for my cross-stitching plug-ins called "GIMP's method" instead of Delta-E and Perceptive as these are sometimes off as well...and GIMP's seem to do a great job at keeping the RGB image looking very close with those limited indexed colors.  Just curious to find out if GIMP's method is superior compared to Perceptive and/or Delta-E.

Thank you in advance.

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  Cross-link a path
Posted by: Overdrive - 06-11-2021, 02:10 PM - Forum: General questions - Replies (3)

Hello, I didn't find how to cross-link a path. Is it possible in Gimp and how to do it. I need it as i am using the path tool to create something like a map of countries with their borders. Thanks !

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  mutually exclusive layer masks
Posted by: jonnie45 - 06-10-2021, 11:37 AM - Forum: General questions - Replies (4)

Hi, newbie to the forum here.

I wondered if anyone could advise on the following?

I am using artistic effects that apply to the whole layer rather than ones that can be used with a paint tool.

I want to style the artistic effect differently in different parts of the image - for example an artistic effect might have a stroke direction - an 'angle' -
so "on this part of the image strokes should be at 30 degrees and over here strokes should be at 60 degrees".

So the problem is how to vary effects that apply to the whole layer with regional variations by changing a variable or setting supplied in the artistic filter, I am using 'stroke angle' for an example but it could be any variable that can be changed on an artistic effect that is applied to the whole layer. 

The method I have been experimenting with is to make say 5 layers and apply the "whole layer" artistic effect to each layer in turn, each time with a different stroke angle.
So I may have

layer0 - stroke angle of 0 degrees applied to artistic effect
layer1 - stroke angle of 30 degrees applied to artistic effect
layer2 - stroke angle of 60 degrees applied to artistic effect

and so on....

I then added a layer mask to each layer.

This means I can achieve the result I want and I can see the result live in the main layer as I use say the rubber tool to remove areas of layer mask for each layer, if I rub out the layer1 mask at one location I can have a stroke of 30 degrees and then if I rub out the layer2 mask in a different place then I see the 60 degree stroke coming through.

Great it works !!! But.........

The only problem is that for this to work well I need to make sure that my layer masks are mutually exclusive from one another - if I use the rubber tool on one layer mask at position A then I must not use the rubber tool at that same position in any of the other masks otherwise I will not have the desired result that for any pixel the contribution comes from only one of my layers - in my case the layers in question are mode=dodge so I do not get the desired effect if more than one layer is allowed to contribute to any single pixel.

I cannot use modes on the layers themselves to combine them in different ways because they all have to be "dodge".

So it seems that the only way I can get the mutual exclusivity I want is to have some "magic" option that views my five layer masks as being part of a set and if a pixel in any one of these masks is transparent then the same pixels in all the other masks must be opaque - if I use the rubber tool to make a particular pixel transparent then the other layer masks must all react automatically and set that same pixel opaque.

It could be progressive, for instance perhaps the pixel at a particular position in the image might have transparency in the layer masks as follows  0.6, 0.2, 0.1, 0.1, 0.0   - ie adding up to 1.0 at all times - so if I used a rubber tool I might use multiple strokes to progressively make layer 5 dominant in a particular region but always so that the contribution from the other layers is decreased accordingly.   

I can't help thinking it must be a common wish to use an artistic effect that applies to the whole image and to wish to use layers each with the same image but a different setting for the artistic effect and then to want to paint on masks to determine which setting is used in different places on the screen?

Is there any kind of mask that can take say 5 layers as 'input' be painted on freehand with facilities to allow only one layer as output or to blend the contribution from each layer in a sensible way?

Conceptually a mask where each pixel has a value 1 to 5 to indicate layer and so can only accept one layer as input for any particular pixel? -

Or a mask system were five channels are blended according to how I paint on the mask but the result is only a weighted average of the 5 layers, perhaps a system that is progressive so that if I wish to have layer 5 dominate in a particular area then repeated strokes of a tool on the mask in that area will progressively weight more and more to layer 5 with the other other layers diminishing in their input at every stroke?

Its not an easy one to describe

Thanks in advance

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