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From "Dmitriy Matveev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4386) [classlib][awt]Exception when trying to use java.awt.font.LineBreakMeasurer
Date Mon, 09 Jul 2007 09:02:05 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12511060
] 

Dmitriy Matveev commented on HARMONY-4386:
------------------------------------------

Exception below:

java.lang.ClassCastException: java.awt.font.ShapeGraphicAttribute incompatible with java.awt.Font
	at org.apache.harmony.awt.gl.font.TextRunBreaker.createStyleRuns(TextRunBreaker.java:224)
	at org.apache.harmony.awt.gl.font.TextRunBreaker.<init>(TextRunBreaker.java:92)
	at java.awt.font.TextMeasurer.<init>(TextMeasurer.java:39)
	at java.awt.font.LineBreakMeasurer.<init>(LineBreakMeasurer.java:44)
	at java.awt.font.LineBreakMeasurer.<init>(LineBreakMeasurer.java:36)
	at JavaTest.TextTest$1.paint(TextTest.java:29)
	at java.awt.Component.processPaintEvent(Component.java:3692)
	at java.awt.Component.dispatchEvent(Component.java:3519)
	at java.awt.EventQueueCore.dispatchEventImpl(EventQueueCore.java:149)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:144)
	at java.awt.EventDispatchThread.runModalLoop(EventDispatchThread.java:74)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:48)

To view the exception "// t.printStackTrace();" line in void runModalLoop(ModalContext context)
method of EventDispatchThread need to be uncommented.

> [classlib][awt]Exception when trying to use java.awt.font.LineBreakMeasurer
> ---------------------------------------------------------------------------
>
>                 Key: HARMONY-4386
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4386
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Dmitriy Matveev
>
> Exception when trying to use java.awt.font.LineBreakMeasurer with AttributedCharacterIterator
and ShapeGraphicAttribute.
> Example below:
> import java.awt.Frame;
> import java.awt.Graphics;
> import java.awt.Graphics2D;
> import java.awt.Shape;
> import java.awt.event.WindowAdapter;
> import java.awt.event.WindowEvent;
> import java.awt.font.FontRenderContext;
> import java.awt.font.GraphicAttribute;
> import java.awt.font.LineBreakMeasurer;
> import java.awt.font.ShapeGraphicAttribute;
> import java.awt.font.TextAttribute;
> import java.awt.Rectangle;
> import java.text.AttributedString;
> import java.text.AttributedCharacterIterator;
> public class TextTest {
>     public static void main(String[] args) {
>         Frame f = new Frame("Test"){
>             public void paint(Graphics g){
>                 Graphics2D g2 = (Graphics2D)g;
>                 AttributedString as = new AttributedString("Abc");
>                 Shape s = new Rectangle();
>                 ShapeGraphicAttribute sga = new ShapeGraphicAttribute(s, GraphicAttribute.TOP_ALIGNMENT,
false);
>                 as.addAttribute(TextAttribute.CHAR_REPLACEMENT, sga, 0, 1);
>                 AttributedCharacterIterator aci = as.getIterator();
>                 FontRenderContext frc = g2.getFontRenderContext();
>                 LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
>             }
>         };
>         
>         f.setBounds(0, 0, 800, 600);
>         f.setVisible(true);
>         f.addWindowListener(new WindowAdapter() {
>             public void windowClosing(WindowEvent ev) {               
>                 System.exit(0);
>             }
>         });        
>     }
> }

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