The source code is a nice read, and quite illuminating, if you've ever wanted to dig under the hood of a PDF: https://github.com/devongovett/pdfkit/tree/master

The source code is a nice read, and quite illuminating, if you've ever wanted to dig under the hood of a PDF: https://github.com/devongovett/pdfkit/tree/master/lib https://github.com/devongovett/pdfkit/tree/master/lib edit: In particular, some of this TTF font handling stuff is pretty fun: https://github.com/devongovett/pdfkit/blob/master/lib/font.coffee https://github.com/devongovett/pdfkit/blob/master/lib/font.c... You get bonus style points for embedding PostScript in a heredoc.