ImageOptimizer

This gem allows you to simply optimize images via jpegoptim or OptiPNG.

Tested against ruby 1.8.7, 1.9.2, 1.9.3, ruby-head, jruby-18mode, jruby-19mode, jruby-head, rbx-18mode, rbx-19mode, and ree

[] (http://travis-ci.org/jtescher/image_optimizer) [] (https://gemnasium.com/jtescher/image_optimizer) [] (https://coveralls.io/r/jtescher/image_optimizer)

Installation

This gem uses the following utilities for optimizing images:

1. jpegoptim, which can be installed from freecode.com

2. OptiPNG, which can be installed from sourceforge.net

Or install the utilities via homebrew:

$ brew install optipng jpegoptim

Then add this line to your application's Gemfile:

gem 'image_optimizer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install image_optimizer

Usage

Optimize PNG or GIF formats:

OptiPNG is a PNG optimizer that recompresses image files to a smaller size without losing any information and performs PNG integrity checks and corrections.

ImageOptimizer.new('path/to/file.png').optimize

Optimize JPEG formats:

jpegoptim provides lossless optimization for JPEG files based on optimizing the Huffman tables. all jpegs will be progressively optimized for a better web experience

ImageOptimizer.new('path/to/file.jpg').optimize

Lossy JPEG optimization

Pass an optional 'quality' parameter to target a specific JPG quality level (0-100), or pass -1 for lossless optimization. PNGs will ignore the quality setting

ImageOptimizer.new('path/to/file.jpg', 80).optimize

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request