Lucas CHOLLET 83f1775f15 LibGfx/CCITT: Reimplement PassMode in a less naive way ...

The old implementation of PassMode has only been tested with a single
image, and let's say that it didn't survive long in the wild. A few
cases were not considered:
 - We only supported VerticalMode right after PassMode.
 - It can happen that token need to be used but not consumed from the
 reference line.

 With that fix, we are able to decode every single PDF file from the
 1000-file zip "0000" (except 0000871.pdf, which uses byte alignment).
 This is massive progress compared to the hundred of errors that we were
 previously receiving.

2024-02-22 16:45:03 +01:00

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