Public bug reported:
A while ago, I reported a regression because G4 compression did not work
any more in recent versions of ubuntu:
https://bugs.launchpad.net/ubuntu/+source/gscan2pdf/+bug/482673 .
My bug report led to the disablement of G4 compression. This somehow
restores user satisfaction, but if I remember right, G4 compression had
much better results in Black/white (2 colors) color mode than all the
other compression algorithms. I also think that the bug not originates
in gscan2pdf itself but either in a library which is used by gscan2pdf
or in wrong usage of the interface of such a library.
Now that G4 compression worked perfectly fine in earlier versions of
ubuntu and gscan2pdf, my question would be if G4 compression could
please be enabled again.
It might even happen that just by reverting the older patch (for 482673)
already does the trick in case the library has been fixed in the
meantime (which is many years in that case).
Currently, I'm using ubuntu 16.04 and gscan2pdf 1.3.9, but I'm planning
to upgrade to ubuntu 18.04 soon.
** Affects: gscan2pdf (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1784120
Title:
Reenable G4 compression in gscan2pdf
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