[Marble-devel] marblewidget memory leak

[Konrad Enzensberger]

Hello marble dev team,

i am working on a GIS app using the famous marblewidget.
doing this i am now facing a memory leak problem,
i tried to fix but failed.

find attached simple TestRender plugin code (VisualStudio 2005 sln),
this shows you the problem.

this plugin creates a new marble layer, all this layer is doing
is to draw a polyline (GeoDataLineString).

in TestRender::initialize() i create the layer and start a timer.
the timer signal timeout() calls the TestRender::slotUpdateMap()
every 500msec.
within this slot a GeoDataLineString is created end sent to the layer by
emit signalUpdatePoly() .

so on the map you can see the polyline moving from left to right
and back.

everything is ok, but use this plugin and watch memory usage  -
it grows up every time the ployline is updatet. 

note: use latest unstable marblewidget/marble version to get the plugin
working.

hope you are able to fix this memory leak,

thanks for support,

konrad
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