January 6, 2026
Why ruby-libgd is becoming Ruby’s new graphics engine
Yesterday something important happened in the Ruby ecosystem.
I added a native sepia filter to ruby-libgd — Ruby’s new binding to the GD Graphics Library — and with it Ruby took another step toward regaining something it quietly lost over the last decade: a true raster graphics engine.
This was not a Ruby wrapper calling out to ImageMagick. This was not a shell command.
This was pixel-level image processing running directly inside Ruby.
And that changes everything.
If you want the full walkthrough (code, approach, and the ice-cream map idea), read the complete article:
https://rubystacknews.com/2026/01/06/ruby-just-got-a-real-sepia-filter/
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