openjdk team mailing list archive

[Tao Wang <dancefire@xxxxxxxxx>]

Confirmed the same problem on NetBeans 7.4, this time, only editor font
can be changed, so just create a new file, can copy the CJK characters
to it, and change the font to something other than the five logical
font, such as font 'Ubuntu'. The following screenshot shows the 'slim
box' problem for CJK characters in NetBeans 7.4.

http://tinypic.com/r/izchv4/8

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https://bugs.launchpad.net/bugs/1274495

Title:
  Cannot display Chinese, Japanese, Korean characters if choosing font
  other than five LogicalFontName

Status in “openjdk-7” package in Ubuntu:
  New

Bug description:
  System Version:

    Description:	Ubuntu 13.10
    Release:	13.10

  Java Version:

    java version "1.7.0_51"
    OpenJDK Runtime Environment (IcedTea 2.4.4) (7u51-2.4.4-0ubuntu0.13.10.1)
    OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)

  openjdk-7-jdk:
    Installed: 7u51-2.4.4-0ubuntu0.13.10.1
    Candidate: 7u51-2.4.4-0ubuntu0.13.10.1
    Version table:
   *** 7u51-2.4.4-0ubuntu0.13.10.1 0
          500 http://au.archive.ubuntu.com/ubuntu/ saucy-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ saucy-security/main amd64 Packages
          100 /var/lib/dpkg/status
       7u25-2.3.12-4ubuntu3 0
          500 http://au.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages


  
  Just using Intellij IDEA as an example, Just use following step to reproduce the problem.

  1) I did a fresh installation of Ubuntu 13.10 64-bit Desktop, choose Simplified Chinese (简体中文) as system language;
  2) install openjdk 7 by : sudo apt-get install openjdk-7-jdk
  3) Download IntelliJ IDEA from http://www.jetbrains.com/idea/
  4) Create a new project, and create a new file with name either be Chinese, Japanese or Korean, as example, you can copy & paste the following strings to test it:

  中文文件名
  日本語のファイル名
  한국어 파일 이름

  5) During the input, you will notice the CJK characters a become a slim box, no character showed
  6) After the file creation, the project explorer will display all the CJK characters as slim boxes. The screenshot is on the link

  http://tinypic.com/r/2mg1q1x/8

  7) You can go Settings -> Appearances -> to Override the default font
  by any one of {serif, sansserif, monospaced, dialog, dialoginput},
  such as:

  http://tinypic.com/r/4kfx1g/8

  8) After that, the CJK characters can be shown correctly,

  http://tinypic.com/r/m7uwyw/8

  
  According to documentation, http://docs.oracle.com/javase/7/docs/technotes/guides/intl/fontconfig.html , the search sequence for fonts should follow the font configuration files like fontconfig.properties, which might be wrong at some point. 

  The expected behavior should be that whatever the font I choose, if it
  doesn't provide the glyph for the character, it will try to search the
  sequence, and find the first available font to render the character.
  Apparently, the search is broken at some point, so only 'slim box'
  showed for CJK characters.

  This is a bug exists for several years, affected both openjdk-6 and 7,
  and at least since Ubuntu 10.10.

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