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Today I added custom convolution filters to Ruby-LibGD v0.2.5

by Giménez Silva Germán Alberto —

👉 https://rubystacknews.com/2026/03/03/understanding-convolution-filters-in-image-processing-and-adding-them-to-ruby-libgd-v0-2-5/

This enables classic image processing operations like edge detection, blur, and sharpening directly from Ruby using native libgd convolution.

It’s a small feature, but an important step toward turning Ruby-LibGD into a more capable image rendering engine for Ruby.

In the article I explain:

• What convolution filters are • How blur, sharpen, and edge detection work • How to use them in Ruby-LibGD

ruby #opensource #graphics #imageprocessing

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