Perl module for creating and modifying PDFs: page management (add/insert/import pages, page labels); built-in and embedded (TrueType/OpenType/Type1/bitmap) fonts; image import (GIF/JPEG/PNG/PNM/TIFF); barcode generation (Code128, Code39, EAN-13, QR, Codabar, ITF); spot/device colorspaces and custom color palettes; document metadata; outlines/bookmarks; and viewer preferences/page layout modes.