SetImageIconTest.java
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package test; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.io.File; |
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import java.io.IOException; |
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import javax.imageio.ImageIO; |
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import javax.swing.JComponent; |
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import javax.swing.JFrame; |
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import javax.swing.SwingUtilities; |
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public class SetImageIconTest |
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{ |
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|
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public static void main(String[] args) |
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{ |
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SwingUtilities.invokeLater(new Runnable() |
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{ |
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public void run() |
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{ |
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final JFrame frame = new JFrame("Test setIconImage"); |
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frame.setSize(800, 600); |
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frame.setLocation(150, 150); |
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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//frame.setUndecorated(true);
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final boolean[] changeIcon = new boolean[] { true }; |
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frame.setContentPane(new JComponent() |
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{ |
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public void paint(Graphics g) |
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{ |
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if (changeIcon[0]) |
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{ |
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frame.setVisible(false);
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new Thread(new Runnable() |
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{ |
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@Override
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public void run() |
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{ |
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changeIcon[0] = false; |
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try
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{ |
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frame.setIconImage(ImageIO.read(new File("./gclogo.ico"))); |
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} |
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catch (IOException e) |
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{ |
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e.printStackTrace(); |
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} |
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SwingUtilities.invokeLater(new Runnable() |
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{ |
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|
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@Override
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public void run() |
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{ |
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frame.setVisible(true);
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//((sun.awt.SunToolkit)Toolkit.getDefaultToolkit()).realSync();
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} |
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}); |
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} |
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}).start(); |
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} |
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Graphics2D g2 = (Graphics2D) g; |
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g2.setBackground(Color.white);
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g2.clearRect(0, 0, 800, 600); |
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} |
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}); |
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frame.setVisible(true);
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} |
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}); |
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|
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} |
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} |