[Marble-bugs] [Bug 201681] New: using the method MarbleWidget::centreOn() is making a very large amount of memory and using a lot of cpu.

[Andrew Manson]

https://bugs.kde.org/show_bug.cgi?id=201681

           Summary: using the method MarbleWidget::centreOn() is making a
                    very large amount of memory and using a lot of cpu.
           Product: marble
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: unspecified
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: marble-bugs at kde.org
        ReportedBy: g.real.ate at gmail.com


Version:            (using Devel)
Installed from:    Compiled sources

the MarbleWidget::centreOn() function is obviously stuck in an infinite loop
which is creating an object in memory for every turn of the loop. It took less
than 3 seconds for my memory to max out and if it didn't kill marble then it
would have even maxed out my swap. 

The code used to cause this problem was :
m_marbleWidget->centerOn( item->coordinate(), false ); 
where the bool parameter was first tried to be "true" so that it would animate
the movement and the item is a GeoGraphicsItem that returns a correct
GeoDataCoordinates object. 

I have committed the line that causes this problem but you will need to remove
the comments if you would like to recreate this error. it can be found in
OsmAnnotatePlugin.cpp line 212.

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