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  Tutorial: Learning Java 2D, Part 2

In this series on learning to use the Java 2D API discussed how the Java 2D graphics engine -- represented by the java.awt.

Tutorial Details:

Graphics2D class -- takes graphics primitive classes such as shapes, text, and images and renders them to an output device, such as a screen or a printer. This article discusses how to use the Java 2D API libraries to manipulate and display images.
Working With Images


With the Abstract Window Toolkit (AWT) alone, the only way to display an image is to use the java.awt.Image class. However, this class does not allow you to access the image data directly. In fact, the only methods that directly returned information about the image in java.awt.Image were getHeight() and getWidth(), but even then, there were limitations: If the system had not yet loaded the image data, the values would be erroneous, and you would have to use an instance of java.awt.ImageObserver to be notified when the data became available. If you wanted to manipulate the image data in other ways, you were forced to use the inconvenient producer-consumer model to inspect or manipulate the data as it was decoded from its source.


 

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Learning Java 2D, Part 2

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Learning Java 2D, Part 2

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