Re: problem with java displaying unicode, under ms-windows

From:
Philip Brown <phil@bolthole.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 22 Jul 2012 09:55:51 -0700 (PDT)
Message-ID:
<cc8d3ee0-d524-4e61-89db-eba746f3e878@googlegroups.com>
On Sunday, July 22, 2012 9:22:52 AM UTC-7, Knute Johnson wrote:

....
I copied some text from www.mainichi.co.jp into Libre Office. I saved
the text as UTF-8. I used the program below to display it. It isn&#39;t
quite correct though, I get a dot before the text that wasn&#39;t on the web
page. Other than that it works fine.

 

Interesting. But it breaks the concept of "write once run anywhere", to set a platform specific font. My issue centers on how to make it work WITHOUT that hack.
As I mentioned, my program currently runs fine on MacOS, Solaris, linux, .....
I dont want any OS-specific code in my program (nor should I have to have any?!)

btw: thanks to markspace for his code, but I'm using AWT.
Kindasorta like Knute's code, but with plain Frame, not JFrame, as top.

On Sunday, July 22, 2012 9:22:52 AM UTC-7, Knute Johnson wrote:

On 7/21/2012 10:31 PM, phil@bolthole.com wrote:
&gt; Hi folks,
&gt; I&#39;m hoping someone can tell me the magic to get java (6 or 7) to display unicode chars under ms-windows?
&gt;
&gt; This is a standalone program, not an applet:
&gt;
&gt; http://bolthole.com/jdrill/jdrill2_3_1.jar
&gt;
&gt; The program itself works; I know this, because it displays fine under macos.
&gt; Unfortunately, the exact same jar file displays empty boxes instead of nice kanji chars, under ms-windows. Using java version 6 or 7.
&gt;
&gt; Looking in the font properties type files, it seems like they are referencing ms-gothic and ms-mincho fonts. which ARE present on the system.
&gt; I see ms-gothic and ms-mincho in Control panel-&gt;fonts
&gt; And my browser successfully displays unicode pages such as
&gt; http://www.mainichi.co.jp/
&gt;
&gt; So... why isnt java displaying unicode properly???
&gt;
&gt; Some years ago, it was neccessary to download a special &quot;international&quot; version of java on windows, to display 16-bit-wide fonts.
&gt; but there does not even seem to be that option any more.
&gt; So.. what should I do?
&gt;

I copied some text from www.mainichi.co.jp into Libre Office. I saved
the text as UTF-8. I used the program below to display it. It isn&#39;t
quite correct though, I get a dot before the text that wasn&#39;t on the web
page. Other than that it works fine.

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.nio.charset.*;
import javax.swing.*;

public class test extends JPanel {
     private char[] buffer = new char[256];
     private int n;

     public test() {
         setPreferredSize(new Dimension(320,240));
         try {
             FileInputStream fis = new FileInputStream(&quot;xxx&quot;);
             InputStreamReader isr = new InputStreamReader(fis,&quot;UTF-8&quot;);
             n = isr.read(buffer,0,256);
             isr.close();
         } catch (IOException ioe) {
             ioe.printStackTrace();
         }
     }

     public void paintComponent(Graphics g) {
         g.setFont(new Font(&quot;MS Mincho&quot;,Font.PLAIN,12));
         g.drawChars(buffer,0,n,10,20);
     }

     public static void main(String[] args) {
         EventQueue.invokeLater(new Runnable() {
             public void run() {
                 JFrame f = new JFrame();
                 f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                 f.add(new test(),BorderLayout.CENTER);
                 f.pack();
                 f.setVisible(true);
             }
         });
     }
}

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