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Painting in AWT and Swing
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> Products & Technologies > Java Technology > Java Platform, Standard Edition (Java SE) > Desktop Java > JFC > News & Updates > The Swing Connection > Reference > Technical Articles and Tips >
Article
Painting in AWT and Swing
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Painting in AWT
and Swing
Good Painting Code Is
the Key to App Performance
By Amy Fowler
In
a graphical system, a windowing toolkit is usually responsible
for providing a framework to make it relatively painless for a graphical
user interface (GUI) to render the right bits to the screen
at the right time.
Both the AWT (abstract windowing toolkit) and Swing provide such
a framework. But the APIs that implement it are not well understood
by some developers -- a problem that has led to programs not performing
as well as they could.
This article explains the AWT and Swing paint mechanisms in detail.
Its purpose is to help developers write correct and efficient GUI
painting code. While the article covers the general paint mechanism
( where and when to render), it does not tell how to
use Swing's graphics APIs to render a correct output. To learn how
to render nice graphics, visit the Java
2D Web site .
The main topics covered in this article are:
Evolution of Paint System
Painting in the AWT
System-Triggered vs. App-Triggered Painting
The Paint Method
Painting & Lightweight Components
"Smart" Painting
AWT Painting Guidelines
Painting in Swing
Double Buffering Support
Additional Paint Properties
The Paint Methods
Paint "
....
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