🚀 go-pugleaf

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Thanks. But this throws another questions:
addNotify() ist called on an event. It's called with delay. Can it happen
that my component is drawn with addNotify() uncalled? The frame should wait,
because it needs this peer.
And: Do you see why a created image needs a peer?
Christoph

Greg Hamer schrieb:

> Your component needs to have its peer hooked up before you can get it to
> create an image.  the addNotify method is called when the peer has been
> setup
> so you can override this method, being sure to still call
> super.addNotify() and create any images that you will be needing.
>
> Christoph Happich wrote:
>
> >  Hi!
> > I"m getting a NullPointer Exception just by adding this line to my
> > component's constructor:
> >     createImage(1,1).getGraphics();
> > I think it's because the graphic context is not available in unvisible
> > components. But, it should, because the context of the image has
> > nothing to do with the component's context.
> > I need that image for doube buffering. The buffer must be created
> > BEFORE my component is drawn.
> > Any ideas ?
> > Christoph



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<HTML>
Thanks. But this throws another questions:
<BR><TT>addNotify()</TT> ist called on an event. It's called with delay.
Can it happen that my component is drawn with <TT>addNotify()</TT> uncalled?
The frame should wait, because it needs this peer.
<BR>And: Do you see why a created image needs a peer?
<BR>Christoph

<P>Greg Hamer schrieb:
<BLOCKQUOTE TYPE=CITE>Your component needs to have its peer hooked up before
you can get it to
<BR>create an image.&nbsp; the addNotify method is called when the peer
has been
<BR>setup
<BR>so you can override this method, being sure to still call
<BR>super.addNotify() and create any images that you will be needing.

<P>Christoph Happich wrote:

<P>>&nbsp; Hi!
<BR>> I"m getting a NullPointer Exception just by adding this line to my
<BR>> component's constructor:
<BR>>&nbsp;&nbsp;&nbsp;&nbsp; createImage(1,1).getGraphics();
<BR>> I think it's because the graphic context is not available in unvisible
<BR>> components. But, it should, because the context of the image has
<BR>> nothing to do with the component's context.
<BR>> I need that image for doube buffering. The buffer must be created
<BR>> BEFORE my component is drawn.
<BR>> Any ideas ?
<BR>> Christoph</BLOCKQUOTE>
&nbsp;</HTML>

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