[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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[de05930] | 8 | "&sourceforge-repo;/libpng/libpng-&libpng-version;.tar.xz">
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[8042630] | 9 | <!ENTITY libpng-download-ftp " ">
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[de05930] | 10 | <!ENTITY libpng-md5sum "9c2ac3c3a31de2ab867875718f8de18e">
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[4d40768] | 11 | <!ENTITY libpng-size "688 KB">
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[de05930] | 12 | <!ENTITY libpng-buildsize "8.5 MB">
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[5eda319] | 13 | <!ENTITY libpng-time "0.1 SBU">
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[b690f72] | 14 | <!ENTITY apng-patch
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| 15 | "&sourceforge-repo2;/projects/libpng-apng/files/libpng15/&libpng-version;/libpng-&libpng-version;-apng.patch.gz">
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[52d29f7] | 16 | ]>
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| 17 |
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[f45b1953] | 18 | <sect1 id="libpng" xreflabel="libpng-&libpng-version;">
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[6b71f17] | 19 | <?dbhtml filename="libpng.html"?>
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| 20 |
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| 21 | <sect1info>
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| 22 | <othername>$LastChangedBy$</othername>
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| 23 | <date>$Date$</date>
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| 24 | </sect1info>
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| 25 |
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[8042630] | 26 | <title>libpng-&libpng-version;</title>
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[6b71f17] | 27 |
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| 28 | <indexterm zone="libpng">
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| 29 | <primary sortas="a-Libpng">Libpng</primary>
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| 30 | </indexterm>
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| 31 |
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[13d6079] | 32 | <sect2 role="package">
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[8042630] | 33 | <title>Introduction to libpng</title>
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[6b71f17] | 34 |
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[de05930] | 35 | <para>
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| 36 | The <application>libpng</application> package contains libraries used by
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| 37 | other programs for reading and writing PNG files. The PNG format was
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| 38 | designed as a replacement for GIF and, to a lesser extent, TIFF, with many
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| 39 | improvements and extensions and lack of patent problems.
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| 40 | </para>
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[6b71f17] | 41 |
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[4c77a949] | 42 | &lfs71_checked;
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[a263ccb3] | 43 |
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[6b71f17] | 44 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 45 | <itemizedlist spacing="compact">
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| 46 | <listitem>
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| 47 | <para>Download (HTTP): <ulink url="&libpng-download-http;"/></para>
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| 48 | </listitem>
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| 49 | <listitem>
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| 50 | <para>Download (FTP): <ulink url="&libpng-download-ftp;"/></para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>Download MD5 sum: &libpng-md5sum;</para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>Download size: &libpng-size;</para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>Estimated disk space required: &libpng-buildsize;</para>
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| 60 | </listitem>
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| 61 | <listitem>
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| 62 | <para>Estimated build time: &libpng-time;</para>
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| 63 | </listitem>
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| 64 | </itemizedlist>
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| 65 |
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[57fc33d3] | 66 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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[b690f72] | 67 | <itemizedlist spacing="compact">
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[6b71f17] | 68 | <listitem>
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[de05930] | 69 | <para>
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| 70 | Optional patch to include animated png functionality in
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[a38269c] | 71 | <application>libpng</application> (required to use the system
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[de05930] | 72 | <application>libpng</application> in
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[a38269c] | 73 | <application>Firefox</application>): <ulink url="&apng-patch;"/>
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[de05930] | 74 | </para>
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[6b71f17] | 75 | </listitem>
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[57fc33d3] | 76 | </itemizedlist>
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[6b71f17] | 77 |
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[de05930] | 78 | <para condition="html" role="usernotes">
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| 79 | User Notes: <ulink url="&blfs-wiki;/libpng"/>
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| 80 | </para>
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[6b71f17] | 81 | </sect2>
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| 82 |
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| 83 | <sect2 role="installation">
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[8042630] | 84 | <title>Installation of libpng</title>
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[6b71f17] | 85 |
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[de05930] | 86 | <para>
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| 87 | If you want to patch libpng to support apng files, apply the patch:
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| 88 | </para>
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[d0c5ea3] | 89 |
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[7c293590] | 90 | <screen><userinput>gzip -cd ../libpng-&libpng-version;-apng.patch.gz | patch -p1</userinput></screen>
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[d0c5ea3] | 91 |
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[de05930] | 92 | <para>
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| 93 | Install <application>libpng</application> by running the following
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| 94 | commands:
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| 95 | </para>
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[6b71f17] | 96 |
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[5eda319] | 97 | <screen><userinput>./configure --prefix=/usr --disable-static &&
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[8042630] | 98 | make</userinput></screen>
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| 99 |
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[2dbb7a74] | 100 | <para>To test the results, issue: <command>make test</command>.</para>
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[6b71f17] | 101 |
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[de05930] | 102 | <para>
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| 103 | Now, as the <systemitem class="username">root</systemitem> user:
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| 104 | </para>
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[6b71f17] | 105 |
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[8042630] | 106 | <screen role="root"><userinput>make install &&
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[b690f72] | 107 | mkdir /usr/share/doc/libpng-&libpng-version; &&
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| 108 | cp README libpng-manual.txt /usr/share/doc/libpng-&libpng-version;</userinput></screen>
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[6b71f17] | 109 | </sect2>
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| 110 |
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[5eda319] | 111 | <sect2 role="commands">
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| 112 | <title>Command Explanations</title>
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| 113 |
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[de05930] | 114 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 115 | href="../../xincludes/static-libraries.xml"/>
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[5eda319] | 116 | </sect2>
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| 117 |
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[6b71f17] | 118 | <sect2 role="content">
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| 119 | <title>Contents</title>
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| 120 |
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| 121 | <segmentedlist>
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| 122 | <segtitle>Installed Programs</segtitle>
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| 123 | <segtitle>Installed Libraries</segtitle>
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[9de6f91] | 124 | <segtitle>Installed Directories</segtitle>
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[6b71f17] | 125 |
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| 126 | <seglistitem>
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[de05930] | 127 | <seg>
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| 128 | libpng-config and
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| 129 | libpng15-config
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| 130 | </seg>
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| 131 | <seg>
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| 132 | libpng.so and
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| 133 | libpng15.so
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| 134 | </seg>
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| 135 | <seg>
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| 136 | /usr/include/libpng15 and
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| 137 | /usr/share/doc/libpng-&libpng-version;
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| 138 | </seg>
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[6b71f17] | 139 | </seglistitem>
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| 140 | </segmentedlist>
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| 141 |
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| 142 | <variablelist>
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| 143 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 144 | <?dbfo list-presentation="list"?>
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| 145 | <?dbhtml list-presentation="table"?>
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| 146 |
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| 147 | <varlistentry id="libpng-config">
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| 148 | <term><command>libpng-config</command></term>
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| 149 | <listitem>
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[5eda319] | 150 | <para>is a symlink to <command>libpng15-config</command>.</para>
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[6b71f17] | 151 | <indexterm zone="libpng libpng-config">
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| 152 | <primary sortas="g-libpng-config">libpng-config</primary>
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| 153 | </indexterm>
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| 154 | </listitem>
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| 155 | </varlistentry>
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| 156 |
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[5eda319] | 157 | <varlistentry id="libpng15-config">
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| 158 | <term><command>libpng15-config</command></term>
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[6b71f17] | 159 | <listitem>
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[de05930] | 160 | <para>
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| 161 | is a shell script that provides configuration information for
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| 162 | applications wanting to use <application>libpng</application>.
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| 163 | </para>
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[5eda319] | 164 | <indexterm zone="libpng libpng15-config">
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| 165 | <primary sortas="b-libpng15-config">libpng15-config</primary>
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[6b71f17] | 166 | </indexterm>
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| 167 | </listitem>
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| 168 | </varlistentry>
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| 169 |
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[5eda319] | 170 | <varlistentry id="libpng15">
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[b690f72] | 171 | <term><filename class="libraryfile">libpng.so and
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[5eda319] | 172 | libpng15.so</filename></term>
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[6b71f17] | 173 | <listitem>
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[de05930] | 174 | <para>
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| 175 | contain routines used to create and manipulate PNG format graphics
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| 176 | files.
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| 177 | </para>
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[5eda319] | 178 | <indexterm zone="libpng libpng15">
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| 179 | <primary sortas="c-libpng15">libpng15.so</primary>
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[6b71f17] | 180 | </indexterm>
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| 181 | </listitem>
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| 182 | </varlistentry>
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| 183 | </variablelist>
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| 184 | </sect2>
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[f45b1953] | 185 | </sect1>
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