contrek 1.3.0

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.

Gemfile:
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install:
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Versions:

1.3.2 June 27, 2026 (166 KB)
1.3.1 June 20, 2026 (165 KB)
1.3.0 June 17, 2026 (164 KB)
1.2.9 June 13, 2026 (163 KB)
1.2.8 June 07, 2026 (161 KB)

Show all versions (33 total)

Runtime Dependencies (3):

chunky_png ~> 1.4

concurrent-ruby ~> 1.3.5

rice = 4.5.0

Development Dependencies (4):

curses ~> 1.5, >= 1.5.3

rspec ~> 3.12

ruby-prof ~> 1.7, >= 1.7.2

standard ~> 1.51

Show all transitive dependencies

Owners:

Pushed by:

Authors:

Emanuele Cesaroni

SHA 256 checksum:

Total downloads 8,877

For this version 219

Version Released:
June 17, 2026 8:29pm

Licenses:
MIT, AGPL-3.0-only

Required Ruby Version: >= 3.0.0

Links:

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