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Roman Gilg authored
Summary: Some backends might not transmit scale information. For these save the scale value in the control file on change. Loading it from there is unproblematic in all three cases: * No scale value in file. Then falls back to libkscreen's value (default = 1). * Scale values are the same, that means backend transmits scale. * Backend does not transmit and scale is different, then prefer control file. Reviewers: #plasma Subscribers: plasma-devel Tags: #plasma Differential Revision: https://phabricator.kde.org/D26481
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