[Digikam-devel] [Bug 230003] New: Zoombar slider adjustments below 100% are hard to archieve

[Jens Mueller]

https://bugs.kde.org/show_bug.cgi?id=230003

           Summary: Zoombar slider adjustments below 100% are hard to
                    archieve
           Product: digikam
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: tschenser at gmx.de


Version:           1.2.0 (rev.: 1100832) (using 4.4.1 (KDE 4.4.1), Kubuntu
packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.31-20-generic

Current zoom slider uses a (pseudo?)linear function to map zoom value to slider
position which makes is it nearly impossible to adjust the slider to zoom
factors below 100%.
Using a logarithmic function will set the 100% position to the middle of the
slider when having the same zoom in/out factor.
Because I do not want to change this without having OK I mark this only here.
Below is a patch to archieve the logarithmic slider adjustment. 

Jens

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