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Native mixin to speed up ChunkyPNG.
C Ruby
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ext/oily_png
lib Bump version
spec Added c extensions for Canvas#rotate_left! and Canvas#rotate_right!
tasks Use bundler style gem management.
.gitignore Update to latest bundler best practices.
.travis.yml Update Travis Matrix
Gemfile Use bundler style gem management.
LICENSE Bump license year 2013 -> 2014
README.rdoc Build status
Rakefile Use C99 standard when compiling to get rid of C90 warnings warnings.
oily_png.gemspec Upgrad to RSpec 3

README.rdoc

OilyPNG Build Status

OilyPNG is a Ruby C extension to speed up the pure Ruby ChunkyPNG library. It is a standalone module, so it does not require LibPNG, ImageMagick or any other library. Currently it has an alternative implementation of decoding and encoding PNGs, making these operations much faster, especially for PNG images that apply filtering.

Performance comparison: gist.github.com/611255

Warning: this is my first C code in years. It may blow up your PC after leaking memory all over the place, killing a kitten in the process. You have been warned.

Usage

  1. First install the gem and make it available to your project.

  2. Use require “oily_png” instead of require “chunky_png”

  3. Presto! Now use ChunkyPNG as you normally would and get an instant speedup.

See github.com/wvanbergen/chunky_png/wiki for more information on how to use the ChunkyPNG API.

About

License: MIT (see LICENSE)

This C module is written by Willem van Bergen with help from Dirkjan Bussink.

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