simple API for creating PDF files using the Cairo library
rectangle-manipulation library
a list of valid color names extracted from X11's rgb.txt file. This guarantees that they'll match color names used in Pango::Layout markups.
wrapper that adds some useful methods to Cairo fonts
wrapper for Pango layouts
a list of valid paper sizes to use in new() newpage(), and paper_size(), and their dimensions in points, extracted from papers.txt. Size names are converted to lower-case characters before lookup.
utility functions