[52d29f7] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[b690f72] | 7 | <!ENTITY libpng-download-http
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[b33c421] | 8 | "&sourceforge-repo;/libpng/libpng-&libpng-version;.tar.xz">
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[8042630] | 9 | <!ENTITY libpng-download-ftp " ">
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[31ab0f7] | 10 | <!ENTITY libpng-md5sum "93fc0b0841ce2db0e6756673e22dafc3">
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| 11 | <!ENTITY libpng-size "820 KB">
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| 12 | <!ENTITY libpng-buildsize "13 MB">
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[5eda319] | 13 | <!ENTITY libpng-time "0.1 SBU">
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[31ab0f7] | 14 |
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[b690f72] | 15 | <!ENTITY apng-patch
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[b33c421] | 16 | "&sourceforge-repo;/libpng-apng/libpng-&libpng-version;-apng.patch.gz">
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[52d29f7] | 17 | ]>
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| 18 |
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[f45b1953] | 19 | <sect1 id="libpng" xreflabel="libpng-&libpng-version;">
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[6b71f17] | 20 | <?dbhtml filename="libpng.html"?>
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| 21 |
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| 22 | <sect1info>
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| 23 | <othername>$LastChangedBy$</othername>
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| 24 | <date>$Date$</date>
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| 25 | </sect1info>
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| 26 |
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[8042630] | 27 | <title>libpng-&libpng-version;</title>
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[6b71f17] | 28 |
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| 29 | <indexterm zone="libpng">
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[a98acfe7] | 30 | <primary sortas="a-libpng">libpng</primary>
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[6b71f17] | 31 | </indexterm>
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| 32 |
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[13d6079] | 33 | <sect2 role="package">
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[8042630] | 34 | <title>Introduction to libpng</title>
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[6b71f17] | 35 |
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[de05930] | 36 | <para>
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[31ab0f7] | 37 | The <application>libpng</application> package contains libraries used
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| 38 | by other programs for reading and writing PNG files. The PNG format
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| 39 | was designed as a replacement for GIF and, to a lesser extent, TIFF,
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| 40 | with many improvements and extensions and lack of patent problems.
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[de05930] | 41 | </para>
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[6b71f17] | 42 |
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[f534f6f] | 43 | &lfs73_checked;
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[a263ccb3] | 44 |
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[6b71f17] | 45 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 46 | <itemizedlist spacing="compact">
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| 47 | <listitem>
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[b33c421] | 48 | <para>
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| 49 | Download (HTTP): <ulink url="&libpng-download-http;"/>
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| 50 | </para>
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[6b71f17] | 51 | </listitem>
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| 52 | <listitem>
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[b33c421] | 53 | <para>
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| 54 | Download (FTP): <ulink url="&libpng-download-ftp;"/>
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| 55 | </para>
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[6b71f17] | 56 | </listitem>
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| 57 | <listitem>
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[b33c421] | 58 | <para>
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| 59 | Download MD5 sum: &libpng-md5sum;
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| 60 | </para>
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[6b71f17] | 61 | </listitem>
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| 62 | <listitem>
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[b33c421] | 63 | <para>
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| 64 | Download size: &libpng-size;
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| 65 | </para>
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[6b71f17] | 66 | </listitem>
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| 67 | <listitem>
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[b33c421] | 68 | <para>
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| 69 | Estimated disk space required: &libpng-buildsize;
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| 70 | </para>
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[6b71f17] | 71 | </listitem>
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| 72 | <listitem>
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[b33c421] | 73 | <para>
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| 74 | Estimated build time: &libpng-time;
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| 75 | </para>
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[6b71f17] | 76 | </listitem>
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| 77 | </itemizedlist>
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| 78 |
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[57fc33d3] | 79 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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[b690f72] | 80 | <itemizedlist spacing="compact">
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[6b71f17] | 81 | <listitem>
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[de05930] | 82 | <para>
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| 83 | Optional patch to include animated png functionality in
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[a38269c] | 84 | <application>libpng</application> (required to use the system
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[de05930] | 85 | <application>libpng</application> in
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[a38269c] | 86 | <application>Firefox</application>): <ulink url="&apng-patch;"/>
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[de05930] | 87 | </para>
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[6b71f17] | 88 | </listitem>
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[57fc33d3] | 89 | </itemizedlist>
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[6b71f17] | 90 |
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[de05930] | 91 | <para condition="html" role="usernotes">
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| 92 | User Notes: <ulink url="&blfs-wiki;/libpng"/>
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| 93 | </para>
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[6b71f17] | 94 | </sect2>
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| 95 |
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| 96 | <sect2 role="installation">
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[8042630] | 97 | <title>Installation of libpng</title>
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[6b71f17] | 98 |
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[de05930] | 99 | <para>
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| 100 | If you want to patch libpng to support apng files, apply the patch:
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| 101 | </para>
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[d0c5ea3] | 102 |
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[a98acfe7] | 103 | <screen><userinput>gzip -cd ../libpng-&libpng-version;-apng.patch.gz | patch -p1</userinput></screen>
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[d0c5ea3] | 104 |
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[de05930] | 105 | <para>
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| 106 | Install <application>libpng</application> by running the following
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| 107 | commands:
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| 108 | </para>
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[6b71f17] | 109 |
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[b33c421] | 110 | <screen><userinput>./configure --prefix=/usr --disable-static &&
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[8042630] | 111 | make</userinput></screen>
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| 112 |
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[b33c421] | 113 | <para>
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| 114 | To test the results, issue: <command>make check</command>.
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| 115 | </para>
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[6b71f17] | 116 |
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[de05930] | 117 | <para>
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| 118 | Now, as the <systemitem class="username">root</systemitem> user:
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| 119 | </para>
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[6b71f17] | 120 |
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[8042630] | 121 | <screen role="root"><userinput>make install &&
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[a98acfe7] | 122 | mkdir -v /usr/share/doc/libpng-&libpng-version; &&
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| 123 | cp -v README libpng-manual.txt /usr/share/doc/libpng-&libpng-version;</userinput></screen>
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[31ab0f7] | 124 |
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[6b71f17] | 125 | </sect2>
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| 126 |
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[5eda319] | 127 | <sect2 role="commands">
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| 128 | <title>Command Explanations</title>
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| 129 |
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[de05930] | 130 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 131 | href="../../xincludes/static-libraries.xml"/>
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[b33c421] | 132 |
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[5eda319] | 133 | </sect2>
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| 134 |
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[6b71f17] | 135 | <sect2 role="content">
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| 136 | <title>Contents</title>
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| 137 |
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| 138 | <segmentedlist>
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| 139 | <segtitle>Installed Programs</segtitle>
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| 140 | <segtitle>Installed Libraries</segtitle>
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[9de6f91] | 141 | <segtitle>Installed Directories</segtitle>
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[6b71f17] | 142 |
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| 143 | <seglistitem>
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[de05930] | 144 | <seg>
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[31ab0f7] | 145 | libpng-config and libpng16-config
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[de05930] | 146 | </seg>
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| 147 | <seg>
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[31ab0f7] | 148 | libpng.so and libpng16.so
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[de05930] | 149 | </seg>
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| 150 | <seg>
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[31ab0f7] | 151 | /usr/include/libpng16 and
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[de05930] | 152 | /usr/share/doc/libpng-&libpng-version;
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| 153 | </seg>
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[6b71f17] | 154 | </seglistitem>
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| 155 | </segmentedlist>
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| 156 |
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| 157 | <variablelist>
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| 158 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 159 | <?dbfo list-presentation="list"?>
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| 160 | <?dbhtml list-presentation="table"?>
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| 161 |
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| 162 | <varlistentry id="libpng-config">
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| 163 | <term><command>libpng-config</command></term>
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| 164 | <listitem>
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[de05930] | 165 | <para>
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[31ab0f7] | 166 | is a shell script that provides configuration information
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| 167 | for applications wanting to use
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| 168 | <application>libpng</application>.
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[de05930] | 169 | </para>
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[31ab0f7] | 170 | <indexterm zone="libpng libpng-config">
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| 171 | <primary sortas="b-libpng-config">libpng-config</primary>
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[6b71f17] | 172 | </indexterm>
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| 173 | </listitem>
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| 174 | </varlistentry>
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| 175 |
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[31ab0f7] | 176 | <varlistentry id="libpng-lin">
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| 177 | <term><filename class="libraryfile">libpng.so</filename></term>
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[6b71f17] | 178 | <listitem>
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[de05930] | 179 | <para>
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[31ab0f7] | 180 | contain routines used to create and manipulate PNG
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| 181 | format graphics files.
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[de05930] | 182 | </para>
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[31ab0f7] | 183 | <indexterm zone="libpng libpng-lin">
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| 184 | <primary sortas="c-libpng">libpng.so</primary>
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[6b71f17] | 185 | </indexterm>
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| 186 | </listitem>
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| 187 | </varlistentry>
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[b33c421] | 188 |
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[6b71f17] | 189 | </variablelist>
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[b33c421] | 190 |
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[6b71f17] | 191 | </sect2>
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[b33c421] | 192 |
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[f45b1953] | 193 | </sect1>
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