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http://bugs.kde.org/show_bug.cgi?id=120117
------- Additional Comments From mi+kde aldan algebra com 2006-05-12 16:48
-------
That's an ugly patch, if I may... Can't the check for the current_device's
validity be moved into a single location somewhere, instead of repeating it in
each method?
Generally, I think, it is wrong to have a function validate its environment and
arguments every time. If something is not right, the function should not be
callable in the first place.
A function may only validate things, that only the function knows about (like
whether the requested gamma makes sense). But the check for whether or not the
camera *exists* can and should be done prior to calling these function...
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