Groups > comp.lang.java.programmer > #6806

Re: java.awt.Frame - How to repaint without background update

From	supercalifragilisticexpialadiamaticonormalizeringelimatisticantations <supercalifragilisticexpialadiamaticonormalizeringelimatisticantations@averylongandannoyingdomainname.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: java.awt.Frame - How to repaint without background update
Date	2011-08-05 07:36 -0400
Organization	supercalifragilisticexpialadiamaticonormalizeringelimatisticantations
Message-ID	<j1gkje$gfe$1@speranza.aioe.org> (permalink)
References	<j1gjd9$n0c$1@news.onet.pl>

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On 05/08/2011 7:15 AM, MaciekL wrote:
> Hi,
>
> I'm trying to create simple application with BufferedImage that already
> contains some graphical content.
> During "repaint" operation, created image should be
> redrawn on the screen (without additional graphics functions).
>
> It seems to be easy, but there is something wrong.
> During "repaint" operation the window "blinks". It seems that
> 'background' is displayed before image is drawn.
>
> "javax.swing.JFrame" solves the issue, but I would like to
> solve this with basic "java.awt.Frame".

You're getting bitten by java.awt.Frame's lack of double buffering. I'm 
not sure there's any remotely easy solution other than using JFrame.

What is your reason for wanting to avoid JFrame?

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java.awt.Frame - How to repaint without background update MaciekL <__nospam__maclab@o2.pl> - 2011-08-05 13:15 +0200
  Re: java.awt.Frame - How to repaint without background update supercalifragilisticexpialadiamaticonormalizeringelimatisticantations <supercalifragilisticexpialadiamaticonormalizeringelimatisticantations@averylongandannoyingdomainname.com> - 2011-08-05 07:36 -0400

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