[sane-devel] Sensors and buttons
skelband at gmail.com
Sun Nov 17 18:22:02 GMT 2019
I just have a comment about terminology in sane which I find very confusing.
I was just looking at the output of options from scanimage -h for a
--scan[=(yes|no)] [no] [hardware]
--email[=(yes|no)] [no] [hardware]
--copy[=(yes|no)] [no] [hardware]
Clear calibration cache
Force calibration ignoring all and any calibration caches
Acquires the image including the internal calibration areas of the
At a quick glance I assumed that this was an error: the "buttons" and
"sensors" titles are obviously the wrong way round.
I was halfway through crafting a patch when I realised that the
situation is far from clear.
Here we have a set of options about scanner push buttons under the
sensors group, and CIS sensor options related to calibration under the
However, the scan/email/copy items are sensors (in the sense that they
are sensed) and the calibration options are "button" value type in that
they have a side-effect.
Does anyone have a comment on this? Am I completely wrong?
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