The fundamental classes for creation and modification of PDF
documents. The central class in this package is {@link
com.etymon.pjx.PdfManager PdfManager}, which serves as a "hub" for
reading, modifying, and writing PDF documents.
Provides methods for encoding and decoding PDF streams. The main
classes are {@link com.etymon.pjx.stream.PdfEncodeStream
PdfEncodeStream} and {@link com.etymon.pjx.stream.PdfDecodeStream
PdfDecodeStream}, which provide the most commonly used functions. If
more control is needed, the classes that implement {@link
com.etymon.pjx.stream.PdfStreamFilter PdfStreamFilter} can be used
directly.