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<title>How to Set Up GNUstep for the East Asian Languages</title>
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<font face="serif">
<h1><a name="title$LanguageSetup">How to Set Up GNUstep for the East Asian Languages</a></h1>
<h3>Authors</h3>
<dl>
<dt>Kazunobu Kuriyama (<a href="mailto:kazunobu.kuriyama@nifty.com"><code>kazunobu.kuriyama@nifty.com</code></a>)</dt>
<dd>
</dd>
<dt>Yen-Ju Chen (<a href="mailto:yjchenx@hotmail.com"><code>yjchenx@hotmail.com</code></a>)</dt>
<dd>
</dd>
<dt>Song Woo-il (<a href="mailto:bemess@kornet.net"><code>bemess@kornet.net</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Version:</b> 2.2 Alpha</p>
<p><b>Date:</b> 2004-04-08</p>
<blockquote>
This article illustrates how to set up GNUstep for the East
Asian languages with some working examples. It also includes
some useful information applicable to other non-European languages.
</blockquote>
<p><b>Copyright:</b> (C) 2004, 2003 Free Software Foundation, Inc.</p>
<h1><a name="001000000000">Introduction</a></h1>
<p>
This brief article illustrates how to set up your GNUstep for the East
Asian languages known as CJK (Chinese, Japanese, and Korean) in literature.
We assume that you already know how to set up your X Window System
for your language environment such as locale, fonts, and input methods.
We also assume that you selected 'art' as the backend of GNUstep's GUI.
</p>
<p>
Like other computer software made outside the region, GNUstep requires
some adjustment to use those languages. The adjustment consists of
the following steps:
</p>
<ol>
<li>
Prepare one or more true type font files which contain characters
of your native language, and organize them in a certain way so that
the art backend can use them.
</li>
<li>
Set the environmental variable <code>GNUSTEP_STRING_ENCODING</code> to an
appropriate value for the language in use.
</li>
<li>
Set the <code>NSGlobalDomain</code> variables such as <code>NSFont</code>,
<code>NSFontSize</code>, <code>NSUserFont</code>, and <code>NSLanguages</code>
, to name a few, to
appropriate values using the GNUstep's utility <code>defaults</code>.
</li>
</ol>
<p>
Now we explain each step in detail and give some working examples.
</p>
<h1><a name="002000000000">Fonts</a></h1>
<p>
The art backend expects necessary true type font files to be found in the
specified directories, which are usually
<code>$GNUSTEP_USER_ROOT/Library/Fonts</code>
and
<code>$GNUSTEP_SYSTEM_ROOT/Library/Fonts</code>.
You need to organize font files in a certain way (see below) so that the
art backend can recognize them.
</p>
<p>
For example, suppose you have a hypothetical true type font file called
<code>MyFont.ttf</code> and want to allow all other users to use it.
Then, as root,
</p>
<pre>
# cd $GNUSTEP_SYSTEM_ROOT/Library/Fonts
# mkdir MyFont.nfont
# cd MyFont.nfont
</pre>
<p>
With your favorite editor, create a file whose contents are as follows:
</p>
<pre>
{
Faces = (
{
PostScriptName = "MyFont";
Name = "Regular";
Files = ("MyFont.ttf");
}
);
}
</pre>
<p>
Then save it as <code>FontInfo.plist</code> (the format above is known as
property list in GNUstep, which explains why the extension is
<code>plist</code>). This small file system you've created just now is
referred to as <code>.nfont</code> package.
</p>
<p>
The <code>FontInfo.plist</code> above is just a bare-bones version. For
further details, we strongly recommend the reader to read
the file <code>nfont_packages.txt</code> found at
<code>http://wiki.gnustep.org/index.php/nfont%20packages</code>.
</p>
<p>
If you want to use the font file privately, replace
<code>GNUSTEP_SYSTEM_ROOT</code> with
<code>GNUSTEP_USER_ROOT</code> in the instruction above.
</p>
<h1><a name="003000000000">Encoding</a></h1>
<p>
GNUstep assumes as default that every character is encoded in <code>ISO8859-1</code> unless
the escape character \u precedes it (This exception applies to other
encodings). Hence, if you want to use the characters of your native
language with GNUstep, you have to tell it which encoding you use. This
can be done by setting the environmental variable
<code>GNUSTEP_STRING_ENCODING</code> to an appropriate value.
</p>
<p>
The possible values for <code>GNUSTEP_STRING_ENCODING</code> are as follows:
</p>
<pre>
NSASCIIStringEncoding
NSNEXTSTEPStringEncoding
NSJapaneseEUCStringEncoding // Japanese
NSUTF8StringEncoding
NSISOLatin1StringEncoding // ISO-8859-1; West European
NSSymbolStringEncoding
NSNonLossyASCIIStringEncoding
NSShiftJISStringEncoding // Japanese
NSISOLatin2StringEncoding // ISO-8859-2; East European
NSUnicodeStringEncoding
NSWindowsCP1251StringEncoding
NSWindowsCP1252StringEncoding // WinLatin1
NSWindowsCP1253StringEncoding // Greek
NSWindowsCP1254StringEncoding // Turkish
NSWindowsCP1250StringEncoding // WinLatin2
NSISO2022JPStringEncoding // Japanese
NSMacOSRomanStringEncoding
NSProprietaryStringEncoding
// GNUstep additions
NSKOI8RStringEncoding // Russian/Cyrillic
NSISOLatin3StringEncoding // ISO-8859-3; South European
NSISOLatin4StringEncoding // ISO-8859-4; North European
NSISOCyrillicStringEncoding // ISO-8859-5
NSISOArabicStringEncoding // ISO-8859-6
NSISOGreekStringEncoding // ISO-8859-7
NSISOHebrewStringEncoding // ISO-8859-8
NSISOLatin5StringEncoding // ISO-8859-9; Turkish
NSISOLatin6StringEncoding // ISO-8859-10; Nordic
NSISOThaiStringEncoding // ISO-8859-11
NSISOLatin7StringEncoding // ISO-8859-13
NSISOLatin8StringEncoding // ISO-8859-14
NSISOLatin9StringEncoding // ISO-8859-15; Replaces ISOLatin1
NSGB2312StringEncoding
NSUTF7StringEncoding // RFC 2152
NSGSM0338StringEncoding // GSM (mobile phone) default alphabet
NSBIG5StringEncoding // Traditional chinese
NSKoreanEUCStringEncoding // Korean
</pre>
<p>
Of these values, choose an appropriate one for your purpose and set the
environmental variable to it. For example, for sh or bash,
</p>
<pre>
$ export GNUSTEP_STRING_ENCODING=NSBIG5StringEncoding
</pre>
<p>
or, for csh,
</p>
<pre>
% setenv GNUSTEP_STRING_ENCODING NSBIG5StringEncoding
</pre>
<h1><a name="004000000000">User Default Values</a></h1>
<p>
Now that you've specified the encoding, you have to determine which fonts
you use to display the characters of your native language.
</p>
<p>
Becuase the fonts used with GNUstep GUI are initially set to those that are
appropriate for European languages, you have to overwrite them to display
the characters correctly.
</p>
<p>
At least, you need to change the user default value <code>NSFont</code>,
and <code>NSBoldFont</code>.
For example, suppose you have a hypothetical <code>.nfont</code> package
called <code>MyFont</code> and <code>MyBoldFont</code>,
and want to use it to display the characters.
To do this, use the GNUstep's utility <code>defaults</code>as follows:
</p>
<pre>
$ defaults write NSGlobalDomain NSFont MyFont
$ defaults write NSGlobalDomain NSBoldFont MyBoldFont
</pre>
<p>
Depending on a situation, you may also need to set <code>NSUserFont</code>
to <code>MyFont</code>. (In GNUstep, a pair of a key and a value such as
<code>(NSFont, MyFont)</code> is referred to as a dictionary.)
</p>
<p>
To confirm the value, use
</p>
<pre>
$ defaults read
</pre>
<p>
If you want to remove the assignment entirely to revert to the original
default value, use
</p>
<pre>
$ defaults delete NSGlobalDomain NSFont
$ defaults delete NSGlobalDomain NSBoldFont
</pre>
<p>
For further details about the user default values, the reader can refer to
the documents <code>DefaultsSummary.html</code> and <code>NSFont.html</code>
shipped with the GNUstep core library package.
</p>
<p>
You can also change the default language (English) into your native language.
If an application has a directory called MyLanguage.lproj in the bundle
(could be in Resources/ directory),
it may be localized for that language. To enable this functionality,
which displays the interface in that language, you need to set the user
default value NSLanguages to the language.
Otherwise, it will fall back to the default one (English).
To change the default language, use
</p>
<pre>
$ defaults write NSGlobalDomain NSLanguages "(MyLanguage)"
</pre>
<h1><a name="005000000000">Examples</a></h1>
<p>
In the following examples, we assume that the reader has already set up the
X Window System properly for her/his language environment. In particular,
the locale the reader wants to use must be supported by both the C
starndard library and the X library of the system in use. Before trying some
of the examples, make sure the environmental variables governing encoding are set
to appropriate values. Such variables include <code>LC_ALL</code>,
<code>LC_CTYPE</code>, and <code>LANG</code>.
</p>
<h2><a name="005001000000">
Traditional Chinese
</a></h2>
<h3><a name="005001001000">
Environmental Variables:
</a></h3>
<pre>
GNUSTEP_STRING_ENCODING=NSBIG5StringEncoding
LC_CTYPE=zh_TW.Big5
</pre>
<h3><a name="005001002000">
.nfont package:
</a></h3>
<p>
Here, use Arphic MingTi font as example
</p>
<p>
First, make a directory for an .nfont package you are going to make:
</p>
<pre>
$ cd $GNUSTEP_USER_ROOT/Library/Fonts (or $GNUSTEP_SYSTEM_ROOT/Library/Fonts)
$ mkdir 'MingTi.nfont'
$ cd 'MingTi'
</pre>
<p>
Make a copy of the font file in the directory.
</p>
<pre>
$ ln -s /usr/X11R6/lib/X11/fonts/local/bsmi00lp.ttf ./
</pre>
<p>
And write a <code>FontInfo.plist</code> (see below).
</p>
<h3><a name="005001003000">
MingTi.nfont/FontInfo.plist:
</a></h3>
<pre>
{
Face = (
{
PostScriptName = "MingTi";
Name = "Regular";
Files = ("bsmi00lp.ttf")
}
);
}
</pre>
<h3><a name="005001004000">
User Defaults:
</a></h3>
<pre>
$ defaults write NSGlobalDomain NSFont MingTi
$ defaults write NSGlobalDomain NSBoldFont MingTi
$ defaults write NSGlobalDomain NSLanguages "(TraditionalChinese)"
</pre>
<h2><a name="005002000000">
Japanese
</a></h2>
<h3><a name="005002001000">
Environmental Variables:
</a></h3>
<pre>
GNUSTEP_STRING_ENCODING=NSJapaneseEUCStringEncoding
LANG=ja_JP
</pre>
<h3><a name="005002002000">
.nfont package:
</a></h3>
<p>
If you are using Windows with Japanese (and have valid owership of it), you
may have msgothic.ttc or msmincho.ttc in the Windows machine. If this is
the case, you can use them to make your own .nfont packages. We'll give an
example below when msgothic.ttc is used.
</p>
<p>
First, make a directory for an .nfont package you are going to make:
</p>
<pre>
$ cd $GNUSTEP_USER_ROOT/Library/Fonts (or $GNUSTEP_SYSTEM_ROOT/Library/Fonts)
$ mkdir 'MS Gothic.nfont'
$ cd 'MS Gothic'
</pre>
<p>
Make a copy of the font file in the directory, say, assuming the Windows'
partition /dev/hda1 is to be mounted at /mnt/win98:
</p>
<pre>
$ mount -t vfat /dev/hda1 /mnt/win98
$ cp /mnt/win98/windows/fonts/msgothic.ttc .
</pre>
<p>
And write a <code>FontInfo.plist</code> (see below).
</p>
<h3><a name="005002003000">
MS Gothic.nfont/FontInfo.plist:
</a></h3>
<pre>
{
Faces = (
{
PostScriptName = "MS Gothic";
Name = "Regular";
Files = ("msgothic.ttc")
}
);
}
</pre>
<h3><a name="005002004000">
User Defaults:
</a></h3>
<pre>
$ defaults write NSGlobalDomain NSFont 'MS Gothic'
$ defaults write NSGlobalDomain NSUserFont 'MS Gothic'
</pre>
<p>
<em>
CAVEAT: If you use the font files mentioned above, you must use them within
your own right. The instruction given above never changes any rights and
duties you have to use these fonts.
</em>
</p>
<h2><a name="005003000000">
Korean
</a></h2>
<h3><a name="005003001000">
Environmental Variables:
</a></h3>
<pre>
GNUSTEP_STRING_ENCODING=NSKoreanEUCEncoding
</pre>
<h3><a name="005003002000">
.nfont package:
</a></h3>
<p>
GPL'ed Korean fonts are available at
<code>http://chem.skku.ac.kr/~wkpark/project/font/UnFonts/</code>
</p>
<p>
Create a directory for a .nfont package for Korean fonts, say
<code>Un.nfont</code>:
</p>
<pre>
$ cd $GNUSTEP_USER_ROOT/Library/Fonts
$ mkdir Un.nfont
$ cd Un
</pre>
<p>
And write a <code>FontInfo.plist</code> (see below).
</p>
<h3><a name="005003003000">
Un.nfont/FontInfo.plist:
</a></h3>
<pre>
{
Faces = (
{
PostScriptName = "Un";
Name = "Regular";
Files = ("UnDotum.ttf");
}
);
}
</pre>
<h3><a name="005003004000">
User Defaults:
</a></h3>
<pre>
$ defaults write NSGlobalDomain NSFont Un
</pre>
<h1><a name="006000000000">
Concluding Remarks
</a></h1>
<p>
Although this article has focused on the CJK languages, most part of it
is also applicable to other languages if GNUstep supports the enconding
you need.
</p>
<p>
If you find a way to set up GNUstep for your native language other than
CJK, please consider to contribute it to the GNUstep community to share
your invaluable experience with others. We'll greatly appreciate it.
Comments or suggestions are also welcome.
</p>
<br />
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