source: general/graphlib/harfbuzz.xml@ 4e95b37b

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY harfbuzz-download-http
           "http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-&harfbuzz-version;.tar.bz2">
  <!ENTITY harfbuzz-download-ftp  " ">
  <!ENTITY harfbuzz-md5sum        "0e27e531f4c4acff601ebff0957755c2">
  <!ENTITY harfbuzz-size          "1.1 MB">
  <!ENTITY harfbuzz-buildsize     "29 MB (additional 1 MB for the API documentation)">
  <!ENTITY harfbuzz-time          "0.3 SBU">
]>

<sect1 id="harfbuzz" xreflabel="Harfbuzz-&harfbuzz-version;">
  <?dbhtml filename="harfbuzz.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>Harfbuzz-&harfbuzz-version;</title>

  <indexterm zone="harfbuzz">
    <primary sortas="a-Harfbuzz">Harfbuzz</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to Harfbuzz</title>

    <para>
      The <application>Harfbuzz</application> package contains an OpenType text
      shaping engine.
    </para>

    &lfs77_checked; &gcc5_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&harfbuzz-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&harfbuzz-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &harfbuzz-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &harfbuzz-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &harfbuzz-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &harfbuzz-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Harfbuzz Dependencies</bridgehead>

    <bridgehead renderas="sect4">Recommended</bridgehead>
    <para role="recommended">
      <xref linkend="glib2"/> (required for Pango),
      <xref linkend="icu"/> and
      <xref linkend="freetype2"/>
      (after <xref linkend="harfbuzz"/> is installed, reinstall
      <xref linkend="freetype2"/>)
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="cairo"/>,
      <xref linkend="gobject-introspection"/>,
      <xref linkend="gtk-doc"/>, and
      <xref linkend="graphite2"/>
    </para>

    <warning>
      <para>
        Recommended dependencies are not strictly required to build
        the package. However, you might not get expected results at
        runtime if you don't install them. Please do not report bugs
        with this package if you <emphasis>have not</emphasis>
        installed the recommended dependencies.
      </para>
    </warning>

    <para condition="html" role="usernotes">
      User Notes: <ulink url="&blfs-wiki;/harfbuzz"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of Harfbuzz</title>

    <para>
      Install <application>Harfbuzz</application> by running the following
      commands:
    </para>

<screen><userinput>./configure --prefix=/usr --with-gobject &amp;&amp;
make</userinput></screen>

    <para>
      To test the results, issue: <command>make check</command>.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>make install</userinput></screen>
  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

    <para>
      <parameter>--with-gobject</parameter>: This switch enables building
      of the <application>Harfbuzz</application> GObject wrapper. Remove
      it if you did not install <application>GLib</application>.
    </para>

    <para>
      <option>--with-graphite2</option>: This switch enables
      <application>Graphite2</application> support.
    </para>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
      href="../../xincludes/gtk-doc-rebuild.xml"/>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          hb-ot-shape-closure, hb-shape, and hb-view (only if cairo is installed)
        </seg>
        <seg>
          libharfbuzz.so, libharfbuzz-gobject.so and libharfbuzz-icu.so
        </seg>
        <seg>
          /usr/include/harfbuzz and
          /usr/share/gtk-doc/html/harfbuzz
        </seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

     <varlistentry id="hb-ot-shape-closure">
        <term><command>hb-ot-shape-closure</command></term>
        <listitem>
          <para>
            gives the set of characters contained in a string, represented as
            single characters and/or single character names. Example:
            <command>hb-ot-shape-closure
              --font-file=/usr/share/fonts/dejavu/DejaVuLGCSans-BoldOblique.ttf
              --text=&Ccedil;DE~</command>
            output is <quote>D E asciitilde Ccedilla</quote>.
          </para>
          <indexterm zone="harfbuzz hb-ot-shape-closure">
            <primary sortas="b-hb-ot-shape-closure">hb-ot-shape-closure</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="hb-shape">
        <term><command>hb-shape</command></term>
        <listitem>
          <para>
            is used for the conversion of text strings into positioned glyphs.
          </para>
          <indexterm zone="harfbuzz hb-shape">
            <primary sortas="b-hb-shape">hb-shape</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="hb-view">
        <term><command>hb-view</command></term>
        <listitem>
          <para>
            is used to view a string shape, using a particular font, as a set
            of glyphs. You can use the previous example given for
            <command>hb-ot-shape-closure</command> in a full screen terminal
            emulator, replacing that command by <command>hb-view</command>.
          </para>
          <indexterm zone="harfbuzz hb-view">
            <primary sortas="b-hb-view">hb-view</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libharfbuzz">
        <term><filename class="libraryfile">libharfbuzz.so</filename></term>
        <listitem>
          <para>
            contains functions for complex text shaping.
          </para>
          <indexterm zone="harfbuzz libharfbuzz">
            <primary sortas="c-libharfbuzz">libharfbuzz.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>