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Posted to batik-users@xmlgraphics.apache.org by th...@kodak.com on 2006/04/25 11:36:45 UTC

Re: Synchronize to UpdateManagerThread?

Hi Roger,

rogercritchlow@gmail.com wrote on 04/25/2006 12:36:12 AM:

> What's the best way to synchronize to the UpdateManagerThread?

   Well, that would be 'invokeLater' or 'invokeAndWait'.

> I have an animation which computes new coordinates for a document and
> then calls runInUpdateThread() to modify the document.  It really
> ought to wait for the UpdateThread to finish before starting the next
> frame.

   If you really want to wait until your animation will be executing
before calculating coordinates then you should simply move the calculation
into the Runnable that modifies the document.

> It looks like getUpdateManager().resume() might be a good choice, but
> there isn't much guidance in the source code.

   This wouldn't be a good choice ;)

   The UpdateManager/RunnableQueue does have a primitive 'event' 
notification system.  But honestly I would throw my runnable on the
queue and when it runs than I know that I should calculate my next 
frame...


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