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  Indexed PNG palette is randomised?
Posted by: Domarius - 11-29-2021, 06:20 PM - Forum: General questions - Replies (7)

I'm making wallpapers for my Kindle 3, and in Photoshop, when I export a PNG using the Kindle palette, the image displays correctly on the Kindle.

But when I export an indexed PNG from GIMP, the colours in the image are all wrong. Opening the resulting PNG in Aseprite shows the palette colours to be in a completely random order than the palette I provided.


I can then correct this in Aseprite by converting to RGB, sorting the pallete in decending luminance, converting back to Indexed mode and then exporting the PNG.

But I was wondering if I could save myself these extra steps in an external program and just have GIMP respect the original palette when saving the PNG?

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  Automatically creating multiple images with another image overlayed
Posted by: heinlein - 11-28-2021, 03:42 PM - Forum: General questions - Replies (2)

I'm trying to automate product image creation with a print placed over several templates to achieve same result as this https://www.redbubble.com/i/t-shirt/Visi...6117.EIU9L (and tons of other) sites have.

At the moment everything's being done in Photoshop semi-automatically, but I believe that sites like that have this automated, since there are so many different product images for a single print.

Basically what I'm trying to achieve is to create all those images based on a single print image and multiple template images, ideally also creating a PSD file for each print-template pair so that the designer could manipulate layers by hand if the need arises.

From what I've learned GIMP has pretty powerful automation options, but doesn't have all the functions that are there in Photoshop, for instance smart objects which are used in the current workflow. So I need your advice regarding whether these steps can be somehow reproduced using GIMP's existing functionality to the same effect, and is it actually possible to automate such task completely so it is ran on a server as a part of product creation in CMS. At first I thought OpenCV lib is the way to go, but seems like multiple complex shape transformations for a ton of different templates is something that seems like near-impossible task there, so GIMP is a main option I'm considering right now.

Here are the steps that are taken in Photoshop. I'm translating what designer wrote, sorry in advance if I mess up some terminology since I have rather sketchy knowledge of image manipulation.

1. The initial template, the print will be overlayed on it
[Image: 1a.jpg]

2. Here's the separate print image
[Image: 1b.jpg]

3. Smart object (white rectangle) which will contain the print, and some layers on top of it that have shadows and effects
[Image: 2.jpg]

4. Smart object is being transformed to match template's product shape -- here's the first tricky part which raises questions. Is it possible to recreate such complex transformation shape in GIMP and is possible to tie it to the template file, so that print takes different shapes when overlayed on different templates?
[Image: 3.jpg]

5. Smart object's modified to contain print image -- here's another thing which is not yet clear how to do in GIMP and if it even possible to achieve the same effect. From what I can get I need to insert print image in different places for each template, it has to be of slightly different sizes and have the aforementioned shape transformation for each template separately.
[Image: 4.jpg]

6. And then other images can be made by changing the contents of smart-object


So, to reiterate my question, can I reproduce the same workflow in GIMP and make it completely automatic?

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Photo How to remove red patches of skin in GIMP?!
Posted by: Krikor - 11-28-2021, 02:10 AM - Forum: Tutorials and tips - No Replies

Browsing at random (on the fly?) I found the following question in another forum about Gimp: https://www.reddit.com/r/GIMP/comments/r...&context=3


Quote:"I want it exactly as you see in this 1 minute photoshop tutorial; https://www.youtube.com/watch?v=xJLF4VuJHQA

However there is no dropper selector for hue/saturation adjustment with GIMP. How would I best go about it with GIMP??"


In the comments, Master Pat David promptly indicated the solution https://patdavid.net/2014/07/wavelet-dec...%20Removal,- what%20if%20the

But I decided to try using an approximation similar to the one used in the video, using a hue-saturation adjustment.

Here I detail my approach and the result obtained:

Initial Image
01- [Image: qFLhwLY.png]

Selection of the area to be changed
02- [Image: EQwf5Fi.png]

Adjust in Colors - Hue-Saturation... and used layer mask

With the mask selected, I made the path to selection and applied a feather of 20. Then with a brush at 30% opacity I brushed on the mask until I got something satisfactory.
03- [Image: CAAsNIt.png]

Result
04- [Image: QSkgnNf.png]

The result obtained here serves only as a reference, since both the selection and the adjustments were made just for the sake of experimentation.

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  gimp on chromebook
Posted by: chris64 - 11-27-2021, 10:42 PM - Forum: General questions - Replies (1)

Does Gimp run on Chromebook?

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  Change FG/BG Color dialog to RGB/HSV
Posted by: allanfelipe - 11-27-2021, 02:19 AM - Forum: General questions - Replies (4)

Hi, I'd like to know if it's possible to change the "FG/BG Color" dialog modes to RGB/HSV instead of RGB/LCh. Some info: I have GIMP 2.10.28 installed (with PhotoGimp mode). Thanks!

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  place text on path, unwanted border on text
Posted by: bbxrider - 11-26-2021, 05:24 AM - Forum: General questions - Replies (22)

been following this help video, https://www.youtube.com/watch?v=0CMt3Uc0zrg,
it shows the same steps as many other help vids

see attachments, the process goes ok until I get to filling the text with color, when
selecting the bucket tool, it looks like the text is selected now with a red border?
and sure enuf there looks like a red border remains on the filled in text?

I can't find why the selected text gets what looks like a red border?

maybe its not a red border?

if not a border what is it? and how to remove whatever it is

if it is a red border can't find anywhere how to remove a border
around text, except maybe to unselect the Show Layer Boundary under view
but that doesn't work

of course now the attachments are not in the order they should be, the process is
as expected in 3 attachments, 2 show where it goes off the rails



Attached Files Thumbnail(s)
               
Image(s)
   
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  Resynthesizer/Python revisited
Posted by: rickk - 11-25-2021, 08:24 PM - Forum: Extending the GIMP - Replies (2)

Using Gimp 2.10.22 on knoppix 9.1

Reference our prior discussion pertaining to plug-in compatibility with python 2 vs python 3 that is included with various linux distributions.

Recently figured out what I had been doing wrong all along trying to get the Synaptic package manager working.  Great resource for the direct links to the repositories.

So, trying to make up for past deficiencies, I located a Python 2.10.8-2 which is specifically billed as being "python support for gimp"

Installed it, and how have a Python-Fu menu item in my Gimp >Filters menu.  Then placed the plugin-heal-selection.py, plugin-heal-transparency.py,  resynthesizer, and resynthesizer_gui items in my /.config/GIMP/2.10/plug-ins subdirectory.

Relaunched gimp, and behold  the menu items heal selection and heal transparency showed up in my Filters>Enhance menu.

But Resynthesizer did not show up in my Filters>Map menu.   I recall there being something about having to make the two Resynthesizer items "executable".  WHICH I BELIEVE all that entails is to go to Properties>Permissions>Execute and verify that the list box states  "Anyone".

Is that correct? Or have I been missing something more that is required?

Because when I try to use either heal selection or heal transparency in gimp, I get the following errors.

Heal Selection
[Image: fPQgu9z.png]



Heal Transparency
[Image: 5wDwSte.png]



And in both instances I additionally get the following  "procedure not found" error message:


[Image: dagcD7o.png]


So, that has me wondering......does the retro "Python for Gimp" addition that I made appear to be the right one? is there a better?

Have I  properly done what is required to make the Resynthesizer modules executable?

Have I muffed up something else?

As always, your time and thoughts are appreciated   Smile

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  How to anchor dockable dialogs?
Posted by: Gimpquester - 11-25-2021, 05:36 AM - Forum: General questions - Replies (2)

I'm getting a bit annoyed by dockable dialogs always falling off and becoming an independent object in the interface when I touch them with my pen. Is there a way to anchor the dockable dialogs once the interface is to my liking?

Basically I'm trying to prevent the 1-2 step as seen in the two images below.



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  Can Gimp convert a JPG to a Photo?
Posted by: Mark2855 - 11-23-2021, 10:56 PM - Forum: General questions - Replies (20)

Hello, Gimp experts.
Sure, you can convert a Photo to a JPG,but is there a way to do the opposite?
Can you convert a JPG into something that sorta' looks like a photograph?
IF Not, then is there some other program that can do this?
Thanks.
Mark2855



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  face on iron bars
Posted by: denzjos - 11-23-2021, 06:25 PM - Forum: Gallery - No Replies

I got my inspiration for this by Marco Cianfanelli. For this I had in mind that the parts of the face are mounted on rectangular bars that are positioned in one line.  
   

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