Ruby and Graphics
guide to graphics coding in ruby with the gtk bindings.
cairo - rcairo
ruby bindings for the gnome graphics library, including support for generating unicode PDFs
RubyForge: cairo: Project Info
rcairo page on rubyforge
Cairo::Context - Ruby-GNOME2 Project Website
a listing of additional methods that are added to Cairo::Context by loading extra libs
rcairo: Rubyforge
rcairo page on rubyforge: includes API docs
PDF Appender? - comp.lang.ruby | Google Groups
example code snippet for rendering a pdf file to a cairo context. Allows the pdf to be edited, then output to a new file.