The sprite factory is a ruby library that can be used to generate CSS sprites. It combines individual image files from a directory into a single unified sprite image and creates an appropriate CSS stylesheet for use in your web application.

The library provides: * both a ruby API and a command line script. * many customizable options. * support for multiple layout algorithms - horizontal, vertical or packed. * support for any stylesheet syntax, including CSS and Sass. * support for any image library, including RMagick and ChunkyPNG. * support for any css selector style, including :hover pseudo-class selectors. * support for pngcrush'n the generated image file. * compatible with Rails 3.1 asset pipeline.