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public class SplashScreen extends JWindow {
private BufferedImage splash = null;
/**
*
*/
private static final long serialVersionUID = -4477825196297585512L;
protected JLabel info;
protected JLabel version = null;
public SplashScreen(BufferedImage image) {
createShadow(image);
createLabel();
}
private void createShadow(BufferedImage image) {
int width = image.getWidth();
int height = image.getHeight();
int extra = 14;
setSize(new Dimension(width + extra, height + extra));
setLocationRelativeTo(null);
Rectangle windowRect = getBounds();
splash = new BufferedImage(width + extra, height + extra,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) splash.getGraphics();
try {
Robot robot = new Robot(getGraphicsConfiguration().getDevice());
BufferedImage capture = robot.createScreenCapture(new Rectangle(
windowRect.x, windowRect.y, windowRect.width + extra,
windowRect.height + extra));
g2.drawImage(capture, null, 0, 0);
} catch (AWTException e) {
}
BufferedImage shadow = new BufferedImage(width + extra, height + extra,
BufferedImage.TYPE_INT_ARGB);
Graphics g = shadow.getGraphics();
g.setColor(new Color(0.0f, 0.0f, 0.0f, 0.3f));
g.fillRoundRect(6, 6, width, height, 12, 12);
g2.drawImage(shadow, getBlurOp(7), 0, 0);
g2.drawImage(image, 0, 0, this);
}
private ConvolveOp getBlurOp(int size) {
float[] data = new float[size * size];
float value = 1 / (float) (size * size);
for (int i = 0; i < data.length; i++) {
data[i] = value;
}
return new ConvolveOp(new Kernel(size, size, data));
}
private void createLabel() {
GridLayout l = new GridLayout(12, 3);
this.getContentPane().setLayout(l);
info = new JLabel(); // <html><b>Initialization ....</html>
info.setOpaque(false);
for (int i = 0; i < 34; i++) {
JPanel blank1 = new JPanel();
blank1.setOpaque(false);
this.getContentPane().add(blank1);
}
version = new JLabel("<html><b>Version: prototype</html>");
version.setOpaque(false);
this.getContentPane().add(version);
this.getContentPane().add(info);
}
public void setInfoText(String s) {
info.setText(s);
info.paintImmediately(0, 0, info.getWidth(), info.getHeight());
}
public JLabel getInfo() {
return info;
}
public void paint(Graphics g) {
if (splash != null) {
g.drawImage(splash, 0, 0, null);
}
}
public static void main(String[] args) {
try {
final BufferedImage image = ImageIO.read(new File ("splash.png"));
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
final SplashScreen window = new SplashScreen(image);
window.setVisible(true);
Timer timer = new Timer(2000, new ActionListener() {
public void actionPerformed(ActionEvent evt) {
window.setInfoText("<html><b>Loading ... </html>");
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.exit(0);
}
});
timer.start();
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
public JLabel getVersionLabel() {
return version;
} |
SplashScreen et rafraichissement
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