[Tickets] [Orxonox] #378: ScreenshotManager uses a lot of memory

[Orxonox]

#378: ScreenshotManager uses a lot of memory
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 Reporter:  rgrieder        |       Owner:  nobody                        
     Type:  task            |      Status:  new                           
 Priority:  high            |   Milestone:  Version 0.1 Codename: Arcturus
Component:  GraphicsEngine  |     Version:  0.0.4                         
 Severity:  minor           |    Keywords:  screenshot memory leak        
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 The ScreenshotManager seems to use 13MB of RAM per default without
 actually being used. [[br]]
 Maybe we can make this allocation on demand to reduce general memory
 footprint. [[br]]
 [[br]]
 Also, that memory is never being freed. That results in a dangling pointer
 if the screen resolution changes.

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Ticket URL: <www.orxonox.net/ticket/378>
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