javax.robotics.image
Class ScreenImage

java.lang.Object
  javax.robotics.image.ScreenImage

public class ScreenImage
extends java.lang.Object

Utility class to capture buffered images from swing and AWT components.

Constructor Summary

ScreenImage()

Method Summary

java.awt.image.BufferedImage	createDesktopImage() Convenience method to create a BufferedImage of the desktop
java.awt.image.BufferedImage	createImage(java.awt.Component component)
java.awt.image.BufferedImage	createImage(javax.swing.JComponent component)
java.awt.image.BufferedImage	createImage(javax.swing.JComponent component, java.awt.Rectangle region)
java.awt.image.BufferedImage	createImage(java.awt.Rectangle region) Create a BufferedImage from a rectangular region on the screen.
void	writeImage(java.awt.image.BufferedImage image, java.lang.String fileName) Write a BufferedImage to a File.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScreenImage

public ScreenImage()

Method Detail

createImage

public java.awt.image.BufferedImage createImage(javax.swing.JComponent component)
                                         throws java.io.IOException

Throws:

java.io.IOException

createImage

public java.awt.image.BufferedImage createImage(javax.swing.JComponent component,
                                                java.awt.Rectangle region)
                                         throws java.io.IOException

Throws:

java.io.IOException

createImage

public java.awt.image.BufferedImage createImage(java.awt.Component component)
                                         throws java.awt.AWTException,
                                                java.io.IOException

Throws:

java.awt.AWTException

java.io.IOException

createImage

public java.awt.image.BufferedImage createImage(java.awt.Rectangle region)
                                         throws java.awt.AWTException,
                                                java.io.IOException

Create a BufferedImage from a rectangular region on the screen.

Parameters:

region - region on the screen to create image from

Returns:

image the image for the given region

Throws:

java.awt.AWTException - see Robot class constructors

java.io.IOException - if an error occurs during writing

createDesktopImage

public java.awt.image.BufferedImage createDesktopImage()
                                                throws java.awt.AWTException,
                                                       java.io.IOException

Convenience method to create a BufferedImage of the desktop

Returns:

image the image for the given region

Throws:

java.awt.AWTException - see Robot class constructors

java.io.IOException - if an error occurs during writing

writeImage

public void writeImage(java.awt.image.BufferedImage image,
                       java.lang.String fileName)
                throws java.io.IOException

Write a BufferedImage to a File.

Parameters:

image - image to be written

fileName - name of file to be created

Throws:

java.io.IOException - if an error occurs during writing