aaaa aaaa:
> the problem is that I get occasionally a NullPointerException in the
> ScrollListener of the JSVGCanvas. The variable "newview" is null in
> the updateCompleted method .
Hmm. I’m not sure what would cause getViewBoxRect() to return null if
all you are doing is resizing, unless there’s a threading issue.
> Rectangle2D newview = getViewBoxRect();
>
> So sometimes the canvas gets white and it has to be repaint. It's
> immediatly repainted when I resize the frame or when I'm using the
> scrollbars. But I've inserted
>
> if (newview == null) {
>
> canvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(new Runnable()
> {
>
> @Override
> public void run() {
> canvas.repaint();
> }
>
> });
> return;
> }
>
> and this does not have any effect. Another solution maybe would be to
> avoid to get the Exception. But I don't see what I'm doing wrong.
I don’t think calling canvas.repaint() is the right thing to fix the
problem. It sounds like there is a problem with JSVGScrollPane or
JSVGCanvas. Are you able to provide a reduced test case that
demonstrates the problem (perhaps just loading a small SVG document in a
JSVGScrollPane/JSVGCanvas, where continually resizing it will trigger
the bug)?
Thanks,
Cameron
--
Cameron McCormack ≝ http://mcc.id.au/
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