FULL PRODUCT VERSION :
mustang b84

ADDITIONAL OS VERSION INFORMATION :
Windows XP Sp1+ English+Multilanguage Pack

A DESCRIPTION OF THE PROBLEM :
textLayout's drawText failed to draw strikethrough hint on some special position when the font is SimSun and size is 20PT.
If i draw with other fonts then it's ok. On Tiger Update 6 it's ok.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
run the source code pasted.


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.awt.*;
import java.awt.font.*;
import java.text.AttributedString;
import java.util.*;
import javax.swing.JFrame;

public class SongtiBug extends JFrame {
    public SongtiBug() {
        try {
            jbInit();
            repaint();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        this.getContentPane().setLayout( null );
        this.setSize( new Dimension(400, 300) );
        this.setTitle( "Bug For U" );
        this.setDefaultCloseOperation(2);
    }

    
    public void paint(Graphics g){
        super.paint(g);
        
        Graphics2D g2d = (Graphics2D)g;
        Map<RenderingHints.Key, Object> mapRender =
            new HashMap<RenderingHints.Key, Object>();
        mapRender
        .put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        g2d.addRenderingHints(mapRender);
        g2d.setFont(new Font("\u5b8b\u4f53",Font.PLAIN,20));
        AttributedString styledText = new AttributedString("\u4e2d\u6587");
        styledText.addAttribute(TextAttribute.FONT, g2d.getFont());
            styledText
            .addAttribute(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
            styledText.addAttribute(TextAttribute.STRIKETHROUGH,TextAttribute.STRIKETHROUGH_ON);
 LineBreakMeasurer measurer =
     new LineBreakMeasurer(styledText.getIterator(),g2d.getFontRenderContext());
     TextLayout layout = measurer.nextLayout(200);
        measurer =
            new LineBreakMeasurer(styledText.getIterator(),g2d.getFontRenderContext());
        layout.draw(g2d,100,80f);//ok
     layout.draw(g2d,100,117.59375f);//strange !!!
    }
    
    public static void main(String[] argv){
        SongtiBug bug = new SongtiBug();
        bug.setVisible(true);
    }
}

---------- END SOURCE ----------

Release Regression From : mustang
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.