contrek 1.2.3

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:

1.2.3 May 23, 2026 (159 KB)
1.2.2 May 20, 2026 (158 KB)
1.2.1 May 09, 2026 (533 KB)
1.2.0 May 02, 2026 (532 KB)
1.1.9 April 24, 2026 (536 KB)

Show all versions (24 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 6,720

For this version 140

Version Released:
May 23, 2026 5:20pm

Licenses:
MIT, AGPL-3.0-only

Required Ruby Version: >= 3.0.0

Links:

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