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Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization
book

Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

by Alejandro Terrazas, John Ostuni, Michael Barlow
November 2002
Intermediate to advanced content levelIntermediate to advanced
848 pages
19h 59m
English
Sams
Content preview from Java™ Media APIs: Cross-Platform Imaging, Media, and Visualization

The Basic Java 2D Recipe

As stated previously, there is a basic three-step recipe for writing a graphics program in Java:

1.
Get a graphics context.
2.
Set the context.
3.
Render something.

Getting the graphics context is pretty straightforward. Cast the Graphics object as a Graphics2D object as follows:

public void paint(Graphics g) {
     Graphics2D g2d = (Graphics2D) g;
}

The result of making this cast is that the programmer has access to the increased functionality of the methods, classes, and interfaces of the Graphics2D object. These extended capabilities enable the advanced graphics operations described in the next several chapters. The Graphics2D object is covered in detail in the section “Set the Graphics2D Context….”

Step 2 of the ...

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Publisher Resources

ISBN: 0672320940Purchase book