johnwhitington/camlpdf

Add a Group 4 CCITT encoder

johnwhitington opened this issue · 1 comments

For cpdf to reprocess 1bpp images with, when JBIG2 is not desired, and uncompressed or flate or lzw is present.

In addition, now we are reprocessing images, it's important to increase the speed of the CCITT decoder too.