Contrek is a Ruby gem with a C++ core for fast contour tracing and edge detection in PNG images. It extracts polygonal contours from bitmap shapes, enabling image processing, shape analysis, and raster-to-vector workflows such as PNG to SVG conversion.

Required Ruby Version

>= 3.0.0

Authors

Emanuele Cesaroni

Versions

  1. 1.3.9 August 09, 2026 (145 KB)
  2. 1.3.8 August 08, 2026 (145 KB)
  3. 1.3.7 July 29, 2026 (144 KB)
  4. 1.3.6 July 27, 2026 (144 KB)
  5. 1.3.5 July 19, 2026 (169 KB)
Show all versions (40 total)

Pushed by

SHA 256 checksum