public static void main(String s[]) {
// Getting save directory
String saveDir;
if (s.length > 0) {
saveDir = s[0];
} else {
saveDir =
JOptionPane.showInputDialog(
null,
"Please enter directory where "
+ "the images is/will be saved\n\n"
+ "Also possible to specifiy as argument 1 when "
+ "running this program.",
"l:\\webcamtest");
}
String layout = "";
if (s.length > 1) {
layout = s[1];
}
// Move mouse to the point 5000,5000 px (out of the screen)
Robot rob;
try {
rob = new Robot();
rob.setAutoDelay(500); // 0,5 s
rob.mouseMove(5000, 5000);
} catch (AWTException e) {
e.printStackTrace();
}
// Make the main window
JFrame frame = new JFrame();
frame.setAlwaysOnTop(true);
frame.setTitle(
"Webcam capture and imagefading - "
+ "Vitenfabrikken Jærmuseet - "
+ "made by Hallvard Nygård - "
+ "Vitenfabrikken.no / Jaermuseet.no");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setUndecorated(true);
WebcamCaptureAndFadePanel panel = new WebcamCaptureAndFadePanel(saveDir, layout);
frame.getContentPane().add(panel);
frame.addKeyListener(panel);
frame.pack();
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()));
}
/**
* 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);
}
