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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-4799) [classlib][awt] GetRenderingHint returns Null by default
Date Sun, 16 Sep 2007 16:01:32 GMT
[classlib][awt] GetRenderingHint returns Null by default
--------------------------------------------------------

                 Key: HARMONY-4799
                 URL: https://issues.apache.org/jira/browse/HARMONY-4799
             Project: Harmony
          Issue Type: Sub-task
          Components: Classlib
         Environment: Win32 + Linux32
            Reporter: Chunrong Lai



 Below is the simple reproducer.  Such codes are common to do customized-redrawing of components.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class TestMenu extends JFrame { 
 JMenuBar myMenu = new JMenuBar(); 
 CubeMenu mFile = new CubeMenu(); 
 JMenuItem miClose = new JMenuItem(); 

 public TestMenu() { 
  this.setJMenuBar(myMenu); 
  mFile.setText("File"); 
  myMenu.add(mFile); 
  miClose.setText("Close"); 
  mFile.add(miClose); 
  miClose.addActionListener(new ActionListener() { 
   public void actionPerformed(ActionEvent e) { 
    dispose(); 
    System.exit(0); 
   } 
  }); 
  this.setTitle("JAVA"); 
  this.setSize(new Dimension(400, 300)); 
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
  this.show(); 
 } 

 public static void main(String[] args) { 
  TestMenu testmenu = new TestMenu(); 
 } 
} 

class CubeMenu extends JMenu { 
 protected final void paintComponent(Graphics g) { 
  Graphics2D graphics = (Graphics2D) g; 
  Object oldHint = graphics.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING); 
  if (oldHint == null) System.out.println("Will have IllegalArgumentException in later setRenderingHint");
  graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

  super.paintComponent(graphics); 
  graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, oldHint); 
 } 
} 



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