PixMap CompressJbig2 Function. Compresses the image using JBIG2 compression. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page CompressJbig2 Function Compresses the image using JBIG2 compression. Syntax [C#] void CompressJbig2() [Visual Basic] Sub CompressJbig2() may throw Exception() Params NameDescription none Notes Compresses the image using JBIG2 compression. JBIG2 compression can only be used on monochrome - typically black and white - images. It offers high compression levels for images like scanned documents which contain repeating patterns. Example None. previous page start next page