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  update() vs. paint()  (Read 3254 times)
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mbw
Guest
« Posted 2002-10-30 06:38:01 »

Howdy !

Whats the better place to do all the paintingstuff,
in the update(g) or in the paint(g), regarding performance.
As far as i know a repaint calls the update(g), then the update should call paint(g), so is there any reason not to do the painting in the update(g) ?

mbw  :-/
Offline Jeff

JGO Coder




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« Reply #1 - Posted 2002-10-30 17:55:43 »

Its been awhile since I did this AWT stuff but i believe you will find that Update(0 does a lot of other stuff, including painting the background and handling some of the complex coordination needed for swing.
I woulf *not* override update but instead override paint.
YMMV.

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Offline Herkules

Senior Member




Friendly fire isn't friendly!


« Reply #2 - Posted 2002-10-31 06:11:49 »

If the base window is derived from Swing classes, maybe even better override paintComponent()?


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mbw
Guest
« Reply #3 - Posted 2002-11-01 05:09:44 »

Jeff, do you mean that for using Swing-Components or, too, for painting game-content without any of the awt-Components (like Panel etc.) included ?
Offline augusto

Senior Newbie





« Reply #4 - Posted 2002-11-01 15:35:39 »

If you're using older style AWT type graphics, then override update to avoid flickering.

If you are using Swing classes, then don't touch update ( I think it's not even called anymore) and override either paint() or paintComponent().

paintComponent() is good to override because then component borders will be painted properly.
mbw
Guest
« Reply #5 - Posted 2002-11-04 06:03:42 »

What is the better way  ? Using Swing-classes or using awt ?
Offline nedric

Innocent Bystander




Java games rock!


« Reply #6 - Posted 2002-11-18 14:30:27 »

That depends on your usage, but usually Swing is preferred.  It is certainly a more modern API.
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