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Show HN: Krita RGBA Tech – Exploring Filter Engines in Open-Source Art (github.com)

50 points by draneria ↗ HN
Hello everyone! Last november, I made realistic metallic brushes for Krita.

This time, I dived into the "filter brush engine" to create convenient ways to add thickness to paintstrokes (e.g. emboss), something which can make digital art look more appealing or traditional.

I also created a special eraser which pays attention to the "height" of your brushwork, via an edge-detection filter + eraser blending mode.

If there are any FOSS artists around, feel free to try them out \╭◜◝ ᵕ ◜◝╮/

Previous Show HN Threads:

Metallics by Draneria: https://news.ycombinator.com/item?id=42104224

10 comments

[ 13.7 ms ] story [ 144 ms ] thread
ognarb
That's really cool. I am always impressed about that people are able to do with Krita, this makes me happy as a KDE developer even though I am not really involved with Krita.
draneria
Thank you! I've been researching more about Krita vs other softwares, it might lag behind in places but they are really cooking when it comes to brushes in my opinion. (plus it is free haha)
vunderba
Thanks for your work on this! Unrelated but if you haven't tried the open-source photoshop alternative Krita you are missing out. It's basically GIMP but unburdened by 30 years of legacy code.

https://github.com/KDE/krita

homarp
https://krita.org/en/release-history/

31-04-1999: the KImageShop project is started by Matthias Elter.

08-07-1999: the first commit is pushed

vunderba
Wow - I'm surprised Krita has been in development that long. It just qualitatively feels much more modern than GIMP. Maybe it's because I focus more on drawing making heavy use of the brush system which IMHO is significantly better in Krita.
draneria
I used to use both GIMP and Krita, but I switched over to Krita-only when many of GIMP's filters were bundled into the G'Mic plugin, which is now installed by default in new releases. You don't get everything but I'll trade it for the UI upgrade (and everything else) xD
dddw
Krita is a really nice project, really the most intuitive graphics program in the linux world
musicale
I appreciate Krita's UI design, though obviously it is focused on drawing/painting.

In the graphics app space, Krita, Inkscape, and Blender are all competitive with commercial offerings.

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draneria
Thank you so much (ﾉ◕ヮ◕)ﾉ*:・ﾟ I am totally not biased in the slightest, but you should definitely try it out if you haven't already (and want to paint)