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Date: Tue, 4 Sep 2007 08:22:44 -0700 (PDT)
From: "Alexei Zakharov (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Resolved: (HARMONY-4641) [classlib][awt][font] Harmony has
 problem with some fonts in Fedora
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     [ https://issues.apache.org/jira/browse/HARMONY-4641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexei Zakharov resolved HARMONY-4641.
--------------------------------------

    Resolution: Fixed

Thanks Chunrong. BTW the issue is reproducible on Debian Linux as well. I've committed your patch at the repository revision 572707. Please verify it was committed as you expected. 

> [classlib][awt][font] Harmony has problem with some fonts in Fedora
> -------------------------------------------------------------------
>
>                 Key: HARMONY-4641
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4641
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: Linux32(Fedora)
>            Reporter: Chunrong Lai
>            Assignee: Alexei Zakharov
>         Attachments: H4641.fixed.patch, H4641.println.workaround.patch
>
>
> This issue does not happen in Win32.
> Here's the simple test demonstrating the problem, one needs to copy simsun.ttc from windows to /usr/share/fonts/simsun.ttf before run it:
> import javax.swing.JFrame;
> import javax.swing.JLabel;
> import java.awt.*;
> public class Test {
>     public static void main(String argv[]) {
>         JFrame frame = new JFrame("test");
>         JLabel label = new JLabel("Hello World");
>         final GraphicsEnvironment g = GraphicsEnvironment.getLocalGraphicsEnvironment();
>         final String[] fonts = g.getAvailableFontFamilyNames();
>         for (int i = 0; i < fonts.length; i ++) {
>            System.out.println("Font " + i + ": " + fonts[i]);
>         }
>         label.setFont(new Font("SimSun", Font.PLAIN, 32));
>         
>         frame.add(label);
>         frame.pack();
>         frame.setVisible(true);
>     }
> }
> Other VMs are OK with this example but Harmony crashes with below StackTrace
> SIGSEGV in VM code.
> Stack trace:
>   0: ?? (??:-1)
>   1: ?? (??:-1)
>   2: Java_org_apache_harmony_awt_gl_font_LinuxNativeFont_drawStringNative (/home/clai1/harmony.0723/trunk/working_classlib/modules/awt/src/main/native/linuxfont/unix/LinuxNativeFont.c:1496)
>   3: 0x063DFAF4  <Generated stub>
>   4: org/apache/harmony/awt/gl/linux/DrawableTextRenderer.drawNormalString(Lorg/apache/harmony/awt/gl/CommonGraphics2D;Ljava/lang/String;DD)V (DrawableTextRenderer.java:132)
>   5: org/apache/harmony/awt/gl/linux/DrawableTextRenderer.drawString(Ljava/awt/Graphics2D;Ljava/lang/String;FF)V (DrawableTextRenderer.java:63)
>   6: org/apache/harmony/awt/gl/linux/XGraphics2D.drawString(Ljava/lang/String;FF)V (XGraphics2D.java:556)
>   7: org/apache/harmony/awt/gl/CommonGraphics2D.drawString(Ljava/lang/String;II)V (CommonGraphics2D.java:654)
>   8: javax/swing/plaf/basic/BasicGraphicsUtils.drawStringUnderlineCharAt(Ljava/awt/Graphics;Ljava/lang/String;III)V (BasicGraphicsUtils.java:144)
>   9: org/apache/harmony/x/swing/Utilities.drawString(Ljava/awt/Graphics;Ljava/lang/String;IILjava/awt/FontMetrics;Ljava/awt/Color;I)V (Utilities.java:503)
>  10: javax/swing/plaf/basic/BasicLabelUI.paintEnabledText(Ljavax/swing/JLabel;Ljava/awt/Graphics;Ljava/lang/String;II)V (BasicLabelUI.java:133)
>  11: javax/swing/plaf/basic/BasicLabelUI.paint(Ljava/awt/Graphics;Ljavax/swing/JComponent;)V (BasicLabelUI.java:99)
>  12: javax/swing/plaf/ComponentUI.update(Ljava/awt/Graphics;Ljavax/swing/JComponent;)V (ComponentUI.java:38)
>  13: javax/swing/JComponent.paintComponent(Ljava/awt/Graphics;)V (JComponent.java:897)
>   It is also noticed that Harmony returns much less fonts from getAvailableFontFamilyNames(), compared to other VMs.
>   There are other fonts also have this issue, for example, AR PL ShanHeiSun Uni, PMingLiu, etc. We also notice that some fonts would be OK for such unage, Tahoma is such example.

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