The first highlight is this
q
541.73 639.07 m
70.765 639.07 l
68.163 641.672 68.163 647.506 70.765 650.108 c
70.765 639.12 l
99.952 639.12 l
99.952 639.11 l
541.586 639.11 l
541.586 639.12 l
541.779 639.12 l
541.763 639.102 541.746 639.085 541.73 639.07 c
541.955 639.31 m
541.955 649.869 l
544.257 647.245 544.257 641.932 541.955 639.31 c
W
n
/Cs6 cs
0 0 0 scn
/GS1 gs
68.163 639.07 476.094 11.039 re
f
Q
The part before W n sets a clipping, the "0 0 0 scn" is black, and then
it fills a rectangle. The properties of /GS1 decide whether it's
transparent or not.
Tilman
Am 29.04.2021 um 15:24 schrieb Tim Allison:
All,
Tilman recently tweeted about a failed redaction with black
highlighter [0]. I realize there are probably 18 different ways of
failing with redaction, but is there a fairly straightforward way to
look for black highlighting with PDFBox?
In the particular file referenced from Tilman's tweet, if I
understand correctly, I see a bunch of 'm' (start a new subpath) and l
(lowercase L) (append a straight line) in the particular file that the
article focused on and then 'f' (fill the path).
Cheers,
Tim
[0] https://twitter.com/Passwort12345/status/1387066421130244098
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