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
- 1.3.5 July 19, 2026 (169 KB)
- 1.3.4 July 19, 2026 (169 KB)
- 1.3.3 June 28, 2026 (166 KB)
- 1.3.2 June 27, 2026 (166 KB)
- 1.3.1 June 20, 2026 (165 KB)
