source: general/graphlib/giflib.xml@ e9ee3a6

<?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 giflib-download-http "https://sourceforge.net/projects/giflib/files/giflib-&giflib-version;.tar.gz">
  <!ENTITY giflib-download-ftp  " ">
  <!ENTITY giflib-http-md5sum   "5739b3a75fff3fe7b9419f15bc040703">
  <!ENTITY giflib-http-size     "384 KB">
  <!ENTITY giflib-buildsize     "3.9 MB (with documentation)">
  <!ENTITY giflib-time          "less than 0.1 SBU (with documentation)">
]>

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

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

  <title>giflib-&giflib-version;</title>

  <indexterm zone="giflib">
    <primary sortas="a-giflib">giflib</primary>
  </indexterm>

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

    <para>The <application>giflib</application> package contains libraries
    for reading and writing GIFs as well as programs for converting and
    working with GIF files.</para>

    &lfs84_checked;

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

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

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="xmlto"/> (for html documentation)
    </para>

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

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

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

<screen><userinput>make</userinput></screen>

<!--    <para>To test the results, issue: <command>make check-TESTS</command>. Test
    suite results are kept in <filename>test.sh.log</filename>.</para>
    There doesn't seem to be a test suite in 5.1.6 -->

    <para>This package does not come with a test suite.</para>

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

<screen role="root"><userinput>make PREFIX=/usr install &amp;&amp;
rm -vf /usr/lib/libgif.a</userinput></screen>

    <para>If <xref linkend="xmlto"/> is installed, then the API documentation
    has been built.  If you wish to install the distributed and the just built
    documentations, issue, as the
    <systemitem class="username">root</systemitem> user:</para>

<screen role="root"><userinput>find doc \( -name Makefile\* -o -name \*.1 \
         -o -name \*.xml \) -exec rm -v {} \; &amp;&amp;

install -v -dm755 /usr/share/doc/giflib-&giflib-version; &amp;&amp;
cp -v -R doc/* /usr/share/doc/giflib-&giflib-version;</userinput></screen>

  </sect2>

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

    <para>
      <command>find doc ... -exec rm -v {} \;</command>: This command removes
      <filename>Makefiles</filename>, man and xml files from the documentation
      directory that would otherwise be installed by the commands that follow.
    </para>

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

  </sect2>

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

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Library</segtitle>
      <segtitle>Installed Directory</segtitle>

      <seglistitem>
        <seg>gif2rgb, gifbuild, gifclrmp, gifecho, giffix, gifinto, gifsponge,
        giftext and giftool</seg>
        <seg>libgif.so</seg>
        <seg>/usr/share/doc/giflib-&giflib-version;</seg>
      </seglistitem>
    </segmentedlist>

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

<!-- Seems to be removed in 5.1.0
      <varlistentry id="gif2raw">
        <term><command>gif2raw</command></term>
        <listitem>
          <para>converts images saved as GIF to raw pixel data.</para>
          <indexterm zone="giflib gif2raw">
            <primary sortas="b-gif2raw">gif2raw</primary>
          </indexterm>
        </listitem>
      </varlistentry>
-->
      <varlistentry id="gif2rgb">
        <term><command>gif2rgb</command></term>
        <listitem>
          <para>converts images saved as GIF to 24-bit RGB images.</para>
          <indexterm zone="giflib gif2rgb">
            <primary sortas="b-gif2rgb">gif2rgb</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gifbuild">
        <term><command>gifbuild</command></term>
        <listitem>
          <para>dumps GIF data in a textual format, or undumps it to a GIF.</para>
          <indexterm zone="giflib gifbuild">
            <primary sortas="b-gifbuild">gifbuild</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gifclrmp">
        <term><command>gifclrmp</command></term>
        <listitem>
          <para>modifies GIF image colormaps.</para>
          <indexterm zone="giflib gifclrmp">
            <primary sortas="b-gifclrmp">gifclrmp</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gifecho">
        <term><command>gifecho</command></term>
        <listitem>
          <para>generates a GIF from ASCII text.</para>
          <indexterm zone="giflib gifecho">
            <primary sortas="b-gifecho">gifecho</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="giffix">
        <term><command>giffix</command></term>
        <listitem>
          <para>clumsily attempts to fix truncated GIF images.</para>
          <indexterm zone="giflib giffix">
            <primary sortas="b-giffix">giffix</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gifinto">
        <term><command>gifinto</command></term>
        <listitem>
          <para>is an end-of-pipe fitting for GIF-processing pipelines.</para>
          <indexterm zone="giflib gifinto">
            <primary sortas="b-gifinto">gifinto</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gifsponge">
        <term><command>gifsponge</command></term>
        <listitem>
          <para>is used to copy the content of GIFs from one file to
          another. It's also used as a test of library functionality.</para>
          <indexterm zone="giflib gifsponge">
            <primary sortas="b-gifsponge">gifsponge</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="giftext">
        <term><command>giftext</command></term>
        <listitem>
          <para>prints (text only) general information about a GIF file.</para>
          <indexterm zone="giflib giftext">
            <primary sortas="b-giftext">giftext</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="giftool">
        <term><command>giftool</command></term>
        <listitem>
          <para>is a GIF transformation tool.</para>
          <indexterm zone="giflib giftool">
            <primary sortas="b-giftool">giftool</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libgif">
        <term><filename class="libraryfile">libgif.so</filename></term>
        <listitem>
          <para>contains API functions required by the
          <application>giflib</application> programs and any other programs needing
          library functionality to read, write and manipulate GIF images.</para>
          <indexterm zone="giflib libgif">
            <primary sortas="c-libgif">libgif.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>