/**
* Runs a sample test procedure
*
* @param robot the robot attached to the screen device
*/
public static void runTest(Robot robot) {
// simulate a space bar press
robot.keyPress(' ');
robot.keyRelease(' ');
// simulate a tab key followed by a space
robot.delay(2000);
robot.keyPress(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_TAB);
robot.keyPress(' ');
robot.keyRelease(' ');
// simulate a mouse click over the rightmost button
robot.delay(2000);
robot.mouseMove(200, 50);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
// capture the screen and show the resulting image
robot.delay(2000);
BufferedImage image = robot.createScreenCapture(new Rectangle(0, 0, 400, 300));
ImageFrame frame = new ImageFrame(image);
frame.setVisible(true);
}
public TransparentWindow(BufferedImage img, int x, int y) {
image = img;
try {
Robot robot = new Robot();
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
screen = robot.createScreenCapture(new Rectangle(0, 0, d.width, d.height));
} catch (AWTException e) {
throw new Error(e);
}
setBounds(x, y, img.getWidth(), img.getHeight());
setVisible(true);
buffer = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
graphics = (Graphics2D) buffer.getGraphics();
}
/**
* Capture a part of the desktop screen using <tt>java.awt.Robot</tt>.
*
* @param x x position to start capture
* @param y y position to start capture
* @param width capture width
* @param height capture height
* @return <tt>BufferedImage</tt> of a part of the desktop screen or null if Robot problem
*/
public BufferedImage captureScreen(int x, int y, int width, int height) {
BufferedImage img = null;
Rectangle rect = null;
if (robot == null) {
/* Robot has not been created so abort */
return null;
}
if (logger.isInfoEnabled()) logger.info("Begin capture: " + System.nanoTime());
rect = new Rectangle(x, y, width, height);
img = robot.createScreenCapture(rect);
if (logger.isInfoEnabled()) logger.info("End capture: " + System.nanoTime());
return img;
}
/**
* Updates the background. Makes a new screen capture at the given coordiantes.
*
* @param x The x coordinate.
* @param y The y coordinate.
*/
public void updateBackground(int x, int y) {
this.background =
robot.createScreenCapture(
new Rectangle(x, y, x + this.window.getWidth(), y + this.window.getHeight()));
}