| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY libungif-download-http "http://prdownloads.sourceforge.net/libungif/libungif-&libungif-version;.tar.bz2">
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| 8 | <!ENTITY libungif-download-ftp " ">
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| 9 | <!ENTITY libungif-md5sum "8c198831cc0495596c78134b8849e9ad">
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| 10 | <!ENTITY libungif-size "430 KB">
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| 11 | <!ENTITY libungif-buildsize "6.2 MB">
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| 12 | <!ENTITY libungif-time "0.16 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="libungif" xreflabel="libungif-&libungif-version;">
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| 16 | <?dbhtml filename="libungif.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | <keywordset>
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| 22 | <keyword role="package">libungif-&libungif-version;.tar</keyword>
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| 23 | <keyword role="ftpdir">libungif</keyword>
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| 24 | </keywordset>
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| 25 | </sect1info>
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| 26 |
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| 27 | <title>Libungif-&libungif-version;</title>
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| 28 |
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| 29 | <indexterm zone="libungif">
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| 30 | <primary sortas="a-Libungif">Libungif</primary>
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| 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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| 34 | <title>Introduction to Libungif</title>
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| 35 |
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| 36 | <para>The <application>libungif</application> package contains libraries
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| 37 | for reading all GIFs and writing non-compressed ones as well as programs
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| 38 | for converting and working with GIF files. The libraries are useful for any
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| 39 | graphics program wishing to deal with GIF files while the programs are useful
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| 40 | for conversion purposes as well as cleaning up images.</para>
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| 41 |
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| 42 | <para>The reason <application>libungif</application> only writes non-compressed
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| 43 | GIFs is due to a legal issue with LZW compression (which Unisys claimed a patent
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| 44 | on). Reading GIFs is not a problem as the decompression routines do not seem to
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| 45 | be limited in this way. Note that this has in the past been disputed. The best way to
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| 46 | avoid this whole mess is to simply use <application>libungif</application> for
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| 47 | looking at GIF images on the web, while in any pages which you design, use the open
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| 48 | source PNG format instead (which uses, not surprisingly, the
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| 49 | <application>libpng</application> library) which has no patent issues at all.</para>
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| 50 |
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| 51 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 52 | <itemizedlist spacing="compact">
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| 53 | <listitem>
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| 54 | <para>Download (HTTP): <ulink url="&libungif-download-http;"/></para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Download (FTP): <ulink url="&libungif-download-ftp;"/></para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Download MD5 sum: &libungif-md5sum;</para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>Download size: &libungif-size;</para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>Estimated disk space required: &libungif-buildsize;</para>
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| 67 | </listitem>
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| 68 | <listitem>
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| 69 | <para>Estimated build time: &libungif-time;</para>
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| 70 | </listitem>
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| 71 | </itemizedlist>
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| 72 |
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| 73 | <bridgehead renderas="sect3">Libungif Dependencies</bridgehead>
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| 74 |
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| 75 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 76 | <para role="optional"><xref linkend="x-window-system"/></para>
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| 77 |
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| 78 | <para condition="html" role="usernotes">User Notes:
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| 79 | <ulink url="&blfs-wiki;/libungif"/></para>
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| 80 |
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| 81 | </sect2>
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| 82 |
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| 83 | <sect2 role='installation'>
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| 84 | <title>Installation of Libungif</title>
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| 85 |
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| 86 | <para>Install <application>libungif</application> by running the following
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| 87 | commands:</para>
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| 88 |
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| 89 | <screen><userinput>./configure --prefix=/usr &&
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| 90 | make</userinput></screen>
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| 91 |
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| 92 | <para>This package does not come with a test suite.</para>
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| 93 |
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| 94 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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| 95 |
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| 96 | <screen role="root"><userinput>make install &&
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| 97 | install -v -m755 -d /usr/share/doc/libungif-&libungif-version;/html &&
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| 98 | install -v -m644 doc/*.{png,html} \
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| 99 | /usr/share/doc/libungif-&libungif-version;/html &&
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| 100 | install -v -m644 doc/*.txt \
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| 101 | /usr/share/doc/libungif-&libungif-version;</userinput></screen>
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| 102 |
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| 103 | </sect2>
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| 104 |
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| 105 | <sect2 role="content">
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| 106 | <title>Contents</title>
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| 107 |
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| 108 | <segmentedlist>
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| 109 | <segtitle>Installed Programs</segtitle>
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| 110 | <segtitle>Installed Library</segtitle>
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| 111 | <segtitle>Installed Directory</segtitle>
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| 112 |
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| 113 | <seglistitem>
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| 114 | <seg>gif2epsn, gif2ps, gif2rgb, gif2x11, gifasm, gifbg, gifburst, gifclip,
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| 115 | gifclrmp, gifcolor, gifcomb, gifcompose, giffiltr, giffix, gifflip, gifhisto,
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| 116 | gifinfo, gifinter, gifinto, gifovly, gifpos, gifrotat, gifrsize, gifspnge, giftext,
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| 117 | gifwedge, icon2gif, raw2gif, rgb2gif, and text2gif</seg>
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| 118 | <seg>libungif.{so,a}</seg>
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| 119 | <seg>/usr/share/doc/libungif-&libungif-version;</seg>
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| 120 | </seglistitem>
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| 121 | </segmentedlist>
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| 122 |
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| 123 | <variablelist>
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| 124 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 125 | <?dbfo list-presentation="list"?>
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| 126 | <?dbhtml list-presentation="table"?>
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| 127 |
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| 128 | <varlistentry id="gif2epsn-libungif">
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| 129 | <term><command>gif2epsn</command></term>
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| 130 | <listitem>
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| 131 | <para>dumps images saved as GIF files on Epson type printers.</para>
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| 132 | <indexterm zone="libungif gif2epsn-libungif">
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| 133 | <primary sortas="b-gif2epsn">gif2epsn</primary>
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| 134 | </indexterm>
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| 135 | </listitem>
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| 136 | </varlistentry>
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| 137 |
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| 138 | <varlistentry id="gif2ps-libungif">
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| 139 | <term><command>gif2ps</command></term>
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| 140 | <listitem>
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| 141 | <para>print GIF files on laser printers supporting PostScript.</para>
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| 142 | <indexterm zone="libungif gif2ps-libungif">
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| 143 | <primary sortas="b-gif2ps">gif2ps</primary>
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| 144 | </indexterm>
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| 145 | </listitem>
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| 146 | </varlistentry>
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| 147 |
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| 148 | <varlistentry id="gif2rgb-libungif">
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| 149 | <term><command>gif2rgb</command></term>
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| 150 | <listitem>
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| 151 | <para>convert images saved as GIF to 24-bit RGB image(s).</para>
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| 152 | <indexterm zone="libungif gif2rgb-libungif">
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| 153 | <primary sortas="b-gif2rgb">gif2rgb</primary>
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| 154 | </indexterm>
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| 155 | </listitem>
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| 156 | </varlistentry>
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| 157 |
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| 158 | <varlistentry id="gif2x11-libungif">
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| 159 | <term><command>gif2x11</command></term>
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| 160 | <listitem>
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| 161 | <para>display images saved as GIF files under X Window System.</para>
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| 162 | <indexterm zone="libungif gif2x11-libungif">
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| 163 | <primary sortas="b-gif2x11">gif2x11</primary>
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| 164 | </indexterm>
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| 165 | </listitem>
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| 166 | </varlistentry>
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| 167 |
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| 168 | <varlistentry id="gifasm-libungif">
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| 169 | <term><command>gifasm</command></term>
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| 170 | <listitem>
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| 171 | <para>assemble multiple GIFs into one, or burst a multiple-image GIF.</para>
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| 172 | <indexterm zone="libungif gifasm-libungif">
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| 173 | <primary sortas="b-gifasm">gifasm</primary>
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| 174 | </indexterm>
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| 175 | </listitem>
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| 176 | </varlistentry>
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| 177 |
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| 178 | <varlistentry id="gifbg-libungif">
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| 179 | <term><command>gifbg</command></term>
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| 180 | <listitem>
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| 181 | <para>generate a single-color test pattern GIF.</para>
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| 182 | <indexterm zone="libungif gifbg-libungif">
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| 183 | <primary sortas="b-gifbg">gifbg</primary>
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| 184 | </indexterm>
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| 185 | </listitem>
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| 186 | </varlistentry>
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| 187 |
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| 188 | <varlistentry id="gifburst-libungif">
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| 189 | <term><command>gifburst</command></term>
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| 190 | <listitem>
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| 191 | <para>burst a GIF image into subrectangles.</para>
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| 192 | <indexterm zone="libungif gifburst-libungif">
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| 193 | <primary sortas="b-gifburst">gifburst</primary>
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| 194 | </indexterm>
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| 195 | </listitem>
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| 196 | </varlistentry>
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| 197 |
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| 198 | <varlistentry id="gifclip-libungif">
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| 199 | <term><command>gifclip</command></term>
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| 200 | <listitem>
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| 201 | <para>clip or crop a GIF image.</para>
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| 202 | <indexterm zone="libungif gifclip-libungif">
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| 203 | <primary sortas="b-gifclip">gifclip</primary>
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| 204 | </indexterm>
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| 205 | </listitem>
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| 206 | </varlistentry>
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| 207 |
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| 208 | <varlistentry id="gifclrmp-libungif">
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| 209 | <term><command>gifclrmp</command></term>
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| 210 | <listitem>
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| 211 | <para>modify GIF image colormaps.</para>
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| 212 | <indexterm zone="libungif gifclrmp-libungif">
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| 213 | <primary sortas="b-gifclrmp">gifclrmp</primary>
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| 214 | </indexterm>
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| 215 | </listitem>
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| 216 | </varlistentry>
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| 217 |
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| 218 | <varlistentry id="gifcolor-libungif">
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| 219 | <term><command>gifcolor</command></term>
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| 220 | <listitem>
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| 221 | <para>generate color test patterns.</para>
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| 222 | <indexterm zone="libungif gifcolor-libungif">
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| 223 | <primary sortas="b-gifcolor">gifcolor</primary>
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| 224 | </indexterm>
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| 225 | </listitem>
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| 226 | </varlistentry>
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| 227 |
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| 228 | <varlistentry id="gifcomb-libungif">
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| 229 | <term><command>gifcomb</command></term>
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| 230 | <listitem>
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| 231 | <para>combine 2 GIF images of exactly the same size into one.</para>
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| 232 | <indexterm zone="libungif gifcomb-libungif">
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| 233 | <primary sortas="b-gifcomb">gifcomb</primary>
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| 234 | </indexterm>
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| 235 | </listitem>
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| 236 | </varlistentry>
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| 237 |
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| 238 | <varlistentry id="gifcompose-libungif">
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| 239 | <term><command>gifcompose</command></term>
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| 240 | <listitem>
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| 241 | <para>use (un)giflib tools to compose images.</para>
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| 242 | <indexterm zone="libungif gifcompose-libungif">
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| 243 | <primary sortas="b-gifcompose">gifcompose</primary>
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| 244 | </indexterm>
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| 245 | </listitem>
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| 246 | </varlistentry>
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| 247 |
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| 248 | <varlistentry id="giffiltr-libungif">
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| 249 | <term><command>giffiltr</command></term>
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| 250 | <listitem>
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| 251 | <para>template code for filtering a GIF sequentially.</para>
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| 252 | <indexterm zone="libungif giffiltr-libungif">
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| 253 | <primary sortas="b-giffiltr">giffiltr</primary>
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| 254 | </indexterm>
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| 255 | </listitem>
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| 256 | </varlistentry>
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| 257 |
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| 258 | <varlistentry id="giffix-libungif">
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| 259 | <term><command>giffix</command></term>
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| 260 | <listitem>
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| 261 | <para>clumsily attempts to fix truncated GIF images.</para>
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| 262 | <indexterm zone="libungif giffix-libungif">
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| 263 | <primary sortas="b-giffix">giffix</primary>
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| 264 | </indexterm>
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| 265 | </listitem>
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| 266 | </varlistentry>
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| 267 |
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| 268 | <varlistentry id="gifflip-libungif">
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| 269 | <term><command>gifflip</command></term>
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| 270 | <listitem>
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| 271 | <para>flip GIF image along X or Y axis or rotate by 90 degrees.</para>
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| 272 | <indexterm zone="libungif gifflip-libungif">
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| 273 | <primary sortas="b-gifflip">gifflip</primary>
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| 274 | </indexterm>
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| 275 | </listitem>
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| 276 | </varlistentry>
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| 277 |
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| 278 | <varlistentry id="gifhisto-libungif">
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| 279 | <term><command>gifhisto</command></term>
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| 280 | <listitem>
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| 281 | <para>generate color-frequency histogram from a GIF.</para>
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| 282 | <indexterm zone="libungif gifhisto-libungif">
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| 283 | <primary sortas="b-gifhisto">gifhisto</primary>
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| 284 | </indexterm>
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| 285 | </listitem>
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| 286 | </varlistentry>
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| 287 |
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| 288 | <varlistentry id="gifinfo-libungif">
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| 289 | <term><command>gifinfo</command></term>
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| 290 | <listitem>
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| 291 | <para>gives information on a GIF file.</para>
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| 292 | <indexterm zone="libungif gifinfo-libungif">
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| 293 | <primary sortas="b-gifinfo">gifinfo</primary>
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| 294 | </indexterm>
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| 295 | </listitem>
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| 296 | </varlistentry>
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| 297 |
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| 298 | <varlistentry id="gifinter-libungif">
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| 299 | <term><command>gifinter</command></term>
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| 300 | <listitem>
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| 301 | <para>convert between interlaced and non-interlaced images.</para>
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| 302 | <indexterm zone="libungif gifinter-libungif">
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| 303 | <primary sortas="b-gifinter">gifinter</primary>
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| 304 | </indexterm>
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| 305 | </listitem>
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| 306 | </varlistentry>
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| 307 |
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| 308 | <varlistentry id="gifinto-libungif">
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| 309 | <term><command>gifinto</command></term>
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| 310 | <listitem>
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| 311 | <para>end-of-pipe fitting for GIF-processing pipelines.</para>
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| 312 | <indexterm zone="libungif gifinto-libungif">
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| 313 | <primary sortas="b-gifinto">gifinto</primary>
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| 314 | </indexterm>
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| 315 | </listitem>
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| 316 | </varlistentry>
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| 317 |
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| 318 | <varlistentry id="gifovly-libungif">
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| 319 | <term><command>gifo-libungifvly</command></term>
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| 320 | <listitem>
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| 321 | <para>generate one composite GIF from a multiple-image GIF.</para>
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| 322 | <indexterm zone="libungif gifovly-libungif">
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| 323 | <primary sortas="b-gifovly">gifovly</primary>
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| 324 | </indexterm>
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| 325 | </listitem>
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| 326 | </varlistentry>
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| 327 |
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| 328 | <varlistentry id="gifpos-libungif">
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| 329 | <term><command>gifpos</command></term>
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| 330 | <listitem>
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| 331 | <para>change a GIF's screen size or recondition it.</para>
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| 332 | <indexterm zone="libungif gifpos-libungif">
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| 333 | <primary sortas="b-gifpos">gifpos</primary>
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| 334 | </indexterm>
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| 335 | </listitem>
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| 336 | </varlistentry>
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| 337 |
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| 338 | <varlistentry id="gifrotat-libungif">
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| 339 | <term><command>gifrotat</command></term>
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| 340 | <listitem>
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| 341 | <para>rotate a GIF through any desired angle.</para>
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| 342 | <indexterm zone="libungif gifrotat-libungif">
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| 343 | <primary sortas="b-gifrotat">gifrotat</primary>
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| 344 | </indexterm>
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| 345 | </listitem>
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| 346 | </varlistentry>
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| 347 |
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| 348 | <varlistentry id="gifrsize-libungif">
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| 349 | <term><command>gifrsize</command></term>
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| 350 | <listitem>
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| 351 | <para>resize a GIF by deletion or duplication of bits.</para>
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| 352 | <indexterm zone="libungif gifrsize-libungif">
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| 353 | <primary sortas="b-gifrsize">gifrsize</primary>
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| 354 | </indexterm>
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| 355 | </listitem>
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| 356 | </varlistentry>
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| 357 |
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| 358 | <varlistentry id="gifspnge-libungif">
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| 359 | <term><command>gifspnge</command></term>
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| 360 | <listitem>
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| 361 | <para>template code for filtering a GIF with in-core operations.</para>
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| 362 | <indexterm zone="libungif gifspnge-libungif">
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| 363 | <primary sortas="b-gifspnge">gifspnge</primary>
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| 364 | </indexterm>
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| 365 | </listitem>
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| 366 | </varlistentry>
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| 367 |
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| 368 | <varlistentry id="giftext-libungif">
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| 369 | <term><command>giftext</command></term>
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| 370 | <listitem>
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| 371 | <para>print (text only) general information about a GIF.</para>
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| 372 | <indexterm zone="libungif giftext-libungif">
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| 373 | <primary sortas="b-giftext">giftext</primary>
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| 374 | </indexterm>
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| 375 | </listitem>
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| 376 | </varlistentry>
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| 377 |
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| 378 | <varlistentry id="gifwedge-libungif">
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| 379 | <term><command>gifwedge</command></term>
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| 380 | <listitem>
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| 381 | <para>create a test GIF image resembling a color monitor test pattern.</para>
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| 382 | <indexterm zone="libungif gifwedge-libungif">
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| 383 | <primary sortas="b-gifwedge">gifwedge</primary>
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| 384 | </indexterm>
|
|---|
| 385 | </listitem>
|
|---|
| 386 | </varlistentry>
|
|---|
| 387 |
|
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| 388 | <varlistentry id="icon2gif-libungif">
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| 389 | <term><command>icon2gif</command></term>
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|---|
| 390 | <listitem>
|
|---|
| 391 | <para>converter/deconverter to/from an editable text format.</para>
|
|---|
| 392 | <indexterm zone="libungif icon2gif-libungif">
|
|---|
| 393 | <primary sortas="b-icon2gif">icon2gif</primary>
|
|---|
| 394 | </indexterm>
|
|---|
| 395 | </listitem>
|
|---|
| 396 | </varlistentry>
|
|---|
| 397 |
|
|---|
| 398 | <varlistentry id="raw2gif-libungif">
|
|---|
| 399 | <term><command>raw2gif</command></term>
|
|---|
| 400 | <listitem>
|
|---|
| 401 | <para>convert raw 8-bit image data into GIF files.</para>
|
|---|
| 402 | <indexterm zone="libungif raw2gif-libungif">
|
|---|
| 403 | <primary sortas="b-raw2gif">raw2gif</primary>
|
|---|
| 404 | </indexterm>
|
|---|
| 405 | </listitem>
|
|---|
| 406 | </varlistentry>
|
|---|
| 407 |
|
|---|
| 408 | <varlistentry id="rgb2gif-libungif">
|
|---|
| 409 | <term><command>rgb2gif</command></term>
|
|---|
| 410 | <listitem>
|
|---|
| 411 | <para>convert 24 bit images to a GIF image using color quantization.</para>
|
|---|
| 412 | <indexterm zone="libungif rgb2gif-libungif">
|
|---|
| 413 | <primary sortas="b-rgb2gif">rgb2gif</primary>
|
|---|
| 414 | </indexterm>
|
|---|
| 415 | </listitem>
|
|---|
| 416 | </varlistentry>
|
|---|
| 417 |
|
|---|
| 418 | <varlistentry id="text2gif-libungif">
|
|---|
| 419 | <term><command>text2gif</command></term>
|
|---|
| 420 | <listitem>
|
|---|
| 421 | <para>generate GIF images out of regular text in 8x8 font.</para>
|
|---|
| 422 | <indexterm zone="libungif text2gif-libungif">
|
|---|
| 423 | <primary sortas="b-text2gif">text2gif</primary>
|
|---|
| 424 | </indexterm>
|
|---|
| 425 | </listitem>
|
|---|
| 426 | </varlistentry>
|
|---|
| 427 |
|
|---|
| 428 | </variablelist>
|
|---|
| 429 |
|
|---|
| 430 | </sect2>
|
|---|
| 431 |
|
|---|
| 432 | </sect1>
|
|---|
