You can perhaps trigger the behaviour more easily by launching another 
graphics using application and moving it into background.  Something 
like Need for Speed seems to hog the graphics memory quite nicely, but 
there must be smaller examples.

/Harri

On 01/11/2012 09:39 AM, Cornelius Hald wrote:
> Hi Mark,
>
> thanks for the answer. I'm currently toggling visibility without any
> effects. I'll try setting the source to "". Let's hope this helps. It's
> difficult to say because those issues do not occur during every run but
> more randomly.
>
> Thanks,
> Conny
>
> On Tue, 2012-01-10 at 11:55 -0500, Mark Tucker wrote:
>> Hello,
>>
>> I believe that setting the source to "" will cause the image and any
>> memory it's using to be freed up - I've had to do something similar
>> myself recently.
>>
>> Mark T
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf
>> Of Cornelius Hald
>> Sent: 10 January 2012 16:21
>> To: [email protected]
>> Subject: [Qt-qml] Image item and Symbian gfx memory
>>
>> Hi,
>>
>> I sometimes have the problem that instead of images I get black or
>> transparent rectangles on Symbian. I've been told that this happens
>> whenever the Symbian (shared) graphics memory is full.
>>
>> My question is what is the best way to free graphics memory?
>>
>> E.g. if a list delegate or a page contain images but they are currently
>> not visible (either because covered by another page or because being
>> of-screen) do those images still take gfx memory? If yes how can I
>> prevent this?
>>
>> - Set visible to false?
>> - Set source to ""?
>> - Trigger garbage collector?
>> - Something else or combinations?
>>
>> As I can't find any documentation about that some input would be highly
>> appreciated.
>>
>> Thanks!
>> Conny
>>
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