Hi Jonathan,
thanks for your answer.
The gvgBuildCompleted is fired even earlier than gvtTreeRenderingCompleted.
So it may be a good option to use, but shouldn't help me with my exact
problem.
Maybe the answer from Thomas points to the right direction.
On Fri, Nov 02, 2012 at 04:53:37PM -0400, jonathan wood wrote:
> Hi Marco,�
> � I use a slightly different overload:
> � � � � canvas.addGVTTreeBuilderListener(new GVTTreeBuilderAdapter() {
> � � � � � � @Override
> � � � � � � public void gvtBuildCompleted(GVTTreeBuilderEvent e) {
> � � � � � � � � // do stuff � � � � � � � �
> � � � � � � }
> � � � � });
> On Fri, Nov 2, 2012 at 9:53 AM, Marco Herrn <[1]m...@mherrn.de> wrote:
>
> Hi,
>
> I must push this mail again.
> It now happened again multiple times to me, that the the method
> canvas.getUpdataManager() returned null when the gvgTreeRenderer
> completed.
> It happens seldom, but it does happen.
>
> Please see again the code snipped in the quoted text.
>
> Is it a bug in batik? According to the javadoc of the getUpdateManager()
> method I would expect that it is guaranteed that getUpdateManager()
> won't
> return null when being called after being informed of rendering
> completion.
>
> Any help appreciated.
> Regards
> Marco
>
> On Fri, Jul 20, 2012 at 03:38:45PM +0200, [2]m...@mherrn.de wrote:
> > Hi I am using the following code:
> >
> > canvas.addGVTTreeRendererListener(new GVTTreeRendererAdapter() {
> > � � � � @Override
> > � � � � public void gvtRenderingCompleted(GVTTreeRendererEvent e) {
> > � � � � �
> canvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(runnable);
> > � � � � }
> > � � � });
> >
> > to do some changes in the DOM of an SVG document. I expected that the
> > updatemanager is definitely available when gvtRenderingCompleted was
> > called.
> > However, it now happened at least once that I got a
> NullPointerException
> > on the line
> > �
> canvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(runnable);
> >
> > So it seems that there is still no guarantee that the UpdateManager is
> > available then. Am I missing something? Must I register on a different
> > listener?
>
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