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<title>Readme file for the ICU LayoutEngine demo</title>
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<h2>What is the layout demo?</h2>
<p>The layout demo displays a paragraph of text that is laid out using the
LayoutEngine. There are two versions of this demo, "layout.exe" which runs on
Windows 2000, and "gnomelayout" which runs on Linux. Both programs read a
file containing the Unicode text to display, and a file that says which font
to use to display each script.</p>
<h2>How do I build the layout demo?</h2>First, you need to build ICU,
including the LayoutEngine.
<p>On Windows, the layout project should be listed as a dependency of all, so
layout will build when you build all. If it doesn't for some reason, just
select the layout project in the project toolbar and build it.</p>
<p>On Linux systems, you need to add the "--enable-layout=yes" option when
you invoke the runConfigureICU script. When you've done that, layout should
build when you do "make all install"</p>
<p>To build the demo on Windows, just open the layout project in
<icu>\source\samples\layout and build it.</p>
<p>On Linux systems, connect to <top-build-dir>/samples/layout and do
"make all". To build the layout demo on Linux, you'll need the
gnome-libs-devel and freetype-devel packages, which should be part of your
Linux distribution. The demo uses the FreeType 1 library, and the make files
assume that the FreeType header files are in /usr/include/freetype1, and that
the freetype library is /usr/lib/libttf.so. This is how RedHat Linux 7.2
installs FreeType 1. If your system is different, you may need to add sym
links to where the files are stored on your system, or modify
<top-src-dir>/samples/layout/Makefile.in to reference the files
correctly for your system.</p>
<h2>How do I run the demo?</h2>
<p>Before you can run the demo, you'll need to get the fonts it uses. For
legal reasons, we can't include these fonts with ICU, but you can download
them from the web. To do this, you'll need access to a computer running
Windows. Here's how to get the fonts:</p>
<p>First, download the Thai font. Go to <a href=
"http://www.into-asia.com/thai_language/thaifont/">into-asia.com</a> and
click on the link for the Angsana font. This will download a .ZIP file.
Extract the font file, angsd___.ttf On Windows, copy this font file to your
Fonts folder, on Linux, copy this font file to the directory from which
you'll run the layout demo.</p>
<p>Next is the Hindi font. Go to the NCST site and download <a href=
"http://rohini.ncst.ernet.in/indix/download/font/raghu.ttf">raghu.ttf</a>. Be
sure to look at the <a href=
"http://rohini.ncst.ernet.in/indix/download/font/README">README</a> file
before you download the font. On Linux, you can download raghu.ttf into the
directory from which you'll run the layout demo. On Windows, you'll need to
install it in your Fonts folder.</p>
<p>There's still one more font to get, the Code2000 Unicode font. Go to James
Kass' <a href="http://www.code2000.net/">Unicode Support In Your
Browser</a> page and click on the link that says "Click Here to download
Code2000 shareware demo Unicode font." This will download a .ZIP file which
contains CODE2000.TTF and CODE2000.HTM. Expand this .ZIP file. If you're
going to run the layout demo on Linux, put the CODE2000.TTF file in the
directory from which you'll run the demo. On Windows, copy the font to your
fonts folder.</p>
<p><strong>Note:</strong> The Code2000 font is shareware. If you want to use
it for longer than a trial period, you should send a shareware fee to James.
Directions for how to do this are in CODE2000.HTM.</p>
<p>That's it! Now all you have to do is run letest (CTRL+F5 in Visual C++, or
"./gnomelayout" in Linux)</p>
<h2>How can I customize the layout demo?</h2>
<p>The text that the layout demo displays is read from the file "Sample.txt."
You can change the text by editing this file using a Unicode-aware text
editor. (it is in UTF8 format with a BOM as the first character; the demo can
also read UTF16 and UTF32 format files) Remember that the text will be
displayed in a single paragraph; you can include CR and LF characters in the
text, but they will be ignored.</p>
<p>If you add scripts to the text other than Arabic, Devanagari, Latin or
Thai, you'll need to find a font which contains the characters in that
script, and add an entry to the FontMap file ("FontMap.GDI" on Windows,
"FontMap.Gnome" on Linux) This file contains a single entry per line. Each
entry contains a script name followed by a colon, and then a font name.</p>
<p>Here is the list of legal script names:</p>
<blockquote>
<tt>ARABIC</tt><br />
<tt>ARMENIAN</tt><br />
<tt>BENGALI</tt><br />
<tt>BOPOMOFO</tt><br />
<span style="font-family: monospace;">BUHID</span><br />
<tt>CANADIAN_ABORIGINAL</tt><br />
<tt>CHEROKEE</tt><br />
<tt>CYRILLIC</tt><br />
<tt>DESERET</tt><br />
<tt>DEVANAGARI</tt><br />
<tt>ETHIOPIC</tt><br />
<tt>GEORGIAN</tt><br />
<tt>GOTHIC</tt><br />
<tt>GREEK</tt><br />
<tt>GUJARATI</tt><br />
<tt>GURMUKHI</tt><br />
<tt>HAN</tt><br />
<tt>HANGUL</tt><br />
<span style="font-family: monospace;">HANUNOO</span><br />
<tt>HEBREW</tt><br />
<tt>HIRAGANA</tt><br />
<tt>KANNADA</tt><br />
<tt>KATAKANA</tt><br />
<tt>KHMER</tt><br />
<tt>LATIN</tt><br />
<tt>MALAYALAM</tt><br />
<tt>MONGOLIAN</tt><br />
<tt>MYANMAR</tt><br />
<tt>OGHAM</tt><br />
<tt>OLD_ITALIC</tt><br />
<tt>ORIYA</tt><br />
<tt>RUNIC</tt><br />
<tt>SINHALA</tt><br />
<tt>SYRIAC</tt><br />
<span style="font-family: monospace;">TAGALOG<br />
TAGBANWA</span><br />
<tt>TAMIL</tt><br />
<tt>TELUGU</tt><br />
<tt>THAANA</tt><br />
<tt>THAI</tt><br />
<tt>TIBETAN</tt><br />
<tt>YI<br /></tt>
</blockquote>
<p>You can also use the script name "DEFAULT" to represent all scripts which
you don't explicitly list in the FontMap file.</p>
<p>On Windows use the full name of the font as it appears in the Windows
Fonts folder (eg. "Times New Roman") On Linux, use the file name of the font
file (e.g. "Times.TTF") If you're running on Windows, you'll need to install
the new fonts in your Fonts folder. If you're running on Linux, put them in
the directory from which you'll run the demo.</p><br />
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