https://bugs.kde.org/show_bug.cgi?id=461359
Bug ID: 461359
Summary: black-and-white / monochrome mode missing
Classification: Applications
Product: Skanpage
Version: unspecified
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I build skanpage from git, version is “skanpage 22.11.70”
( 22.11.70 is not in the version-list on bugs.kde.org)
The tools misses a option for creating black and white (2-color/monochrom)
scans. This saves a lot of disk-space and is sufficient for most non-colored
document. There are scanner that do not support monochrom output and sane has
the policy to not add functionality in the backends, but leave this for
frontends. So providing a monochrom option in skanpage is the correct place.
In my example, I got for a 1-page A4 pdf:
skanpage grayscale: 9,1M
black-and-white converted: 232K
At first attempt a simple threshold at 50% would be O.K.
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