[ 源代码： ruby-pdf-core ]
软件包：ruby-pdf-core（0.9.0-1）
Ruby library to render PDF documents
PDF::Core is a pure Ruby library to render PDF documents. It supports several PDF features, such as among others:
* low-level annotation * istream objects and stream filters * NameTree * object repository * object serialization * indirect objects * page geometries
It is used internally by Prawn (provided in the ruby-prawn package), a Ruby PDF generation library.