PNGlitch

PNGlitch is a Ruby library to destroy your PNG images.

With normal data-bending technique, a glitch against PNG will easily fail because of the checksum function. We provide a fail-proof destruction for it. Using this library you will see beautiful and various PNG artifacts.

Usage

    PNGlitch.open('/path/to/your/image.png') do |p|
      p.glitch do |data|
        data.gsub /\d/, 'x'
      end
      p.save '/path/to/broken/image.png'
    end

Installation

Add this line to your application's Gemfile:

gem 'pnglitch'

And then execute:

$ bundle

Or install it yourself as:

$ gem install pnglitch

Contributing

Fork it ( http://github.com/ucnv/pnglitch/fork )
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request