[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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| 8 | "&sourceforge-repo;/libpng/libpng-&libpng-version;.tar.xz">
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[8042630] | 9 | <!ENTITY libpng-download-ftp " ">
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[4d40768] | 10 | <!ENTITY libpng-md5sum "05d9ab3705c34954c0032b71318b678a">
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| 11 | <!ENTITY libpng-size "688 KB">
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[b690f72] | 12 | <!ENTITY libpng-buildsize "8.3 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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| 35 | <para>The <application>libpng</application> package contains libraries used
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[b690f72] | 36 | by other programs for reading and writing PNG files. The PNG format was
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| 37 | designed as a replacement for GIF and, to a lesser extent, TIFF, with many
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| 38 | improvements and extensions and lack of patent problems.</para>
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[6b71f17] | 39 |
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[4c77a949] | 40 | &lfs71_checked;
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[a263ccb3] | 41 |
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[6b71f17] | 42 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 43 | <itemizedlist spacing="compact">
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| 44 | <listitem>
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| 45 | <para>Download (HTTP): <ulink url="&libpng-download-http;"/></para>
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| 46 | </listitem>
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| 47 | <listitem>
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| 48 | <para>Download (FTP): <ulink url="&libpng-download-ftp;"/></para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>Download MD5 sum: &libpng-md5sum;</para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>Download size: &libpng-size;</para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Estimated disk space required: &libpng-buildsize;</para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Estimated build time: &libpng-time;</para>
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| 61 | </listitem>
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| 62 | </itemizedlist>
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| 63 |
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[57fc33d3] | 64 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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[b690f72] | 65 | <itemizedlist spacing="compact">
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[6b71f17] | 66 | <listitem>
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[b690f72] | 67 | <para>Optional patch to include animated png functionality in
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[d8069d7] | 68 | <application>libpng</application> : <ulink url="&apng-patch;"/></para>
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| 69 | <para>The patch is required if you want to use the system
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| 70 | <application>libpng</application> in
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| 71 | <application>Firefox</application>.</para>
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[6b71f17] | 72 | </listitem>
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[57fc33d3] | 73 | </itemizedlist>
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[6b71f17] | 74 |
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[1039de3] | 75 | <para condition="html" role="usernotes">User Notes:
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| 76 | <ulink url="&blfs-wiki;/libpng"/></para>
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[6b71f17] | 77 | </sect2>
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| 78 |
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| 79 | <sect2 role="installation">
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[8042630] | 80 | <title>Installation of libpng</title>
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[6b71f17] | 81 |
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[5eda319] | 82 | <para>If you want to patch libpng to support apng files, apply the
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| 83 | patch:</para>
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[d0c5ea3] | 84 |
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[7c293590] | 85 | <screen><userinput>gzip -cd ../libpng-&libpng-version;-apng.patch.gz | patch -p1</userinput></screen>
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[d0c5ea3] | 86 |
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[e9116cc] | 87 | <para>Install <application>libpng</application> by running the following
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[6b71f17] | 88 | commands:</para>
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| 89 |
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[5eda319] | 90 | <screen><userinput>./configure --prefix=/usr --disable-static &&
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[8042630] | 91 | make</userinput></screen>
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| 92 |
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[2dbb7a74] | 93 | <para>To test the results, issue: <command>make test</command>.</para>
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[6b71f17] | 94 |
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[5eda319] | 95 | <para>Now, as the <systemitem class="username">root</systemitem>
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| 96 | user:</para>
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[6b71f17] | 97 |
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[8042630] | 98 | <screen role="root"><userinput>make install &&
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[b690f72] | 99 | mkdir /usr/share/doc/libpng-&libpng-version; &&
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| 100 | cp README libpng-manual.txt /usr/share/doc/libpng-&libpng-version;</userinput></screen>
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[6b71f17] | 101 | </sect2>
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| 102 |
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[5eda319] | 103 | <sect2 role="commands">
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| 104 | <title>Command Explanations</title>
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| 105 |
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| 106 | <para><option>--disable-static</option>: This option prevents it compiling
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| 107 | the static archive versions of the libraries.</para>
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| 108 | </sect2>
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| 109 |
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[6b71f17] | 110 | <sect2 role="content">
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| 111 | <title>Contents</title>
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| 112 |
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| 113 | <segmentedlist>
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| 114 | <segtitle>Installed Programs</segtitle>
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| 115 | <segtitle>Installed Libraries</segtitle>
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[9de6f91] | 116 | <segtitle>Installed Directories</segtitle>
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[6b71f17] | 117 |
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| 118 | <seglistitem>
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[5eda319] | 119 | <seg>libpng-config and libpng15-config</seg>
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| 120 | <seg>libpng.so and libpng15.so</seg>
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| 121 | <seg>/usr/include/libpng15 and
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[8042630] | 122 | /usr/share/doc/libpng-&libpng-version;</seg>
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[6b71f17] | 123 | </seglistitem>
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| 124 | </segmentedlist>
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| 125 |
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| 126 | <variablelist>
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| 127 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 128 | <?dbfo list-presentation="list"?>
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| 129 | <?dbhtml list-presentation="table"?>
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| 130 |
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| 131 | <varlistentry id="libpng-config">
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| 132 | <term><command>libpng-config</command></term>
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| 133 | <listitem>
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[5eda319] | 134 | <para>is a symlink to <command>libpng15-config</command>.</para>
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[6b71f17] | 135 | <indexterm zone="libpng libpng-config">
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| 136 | <primary sortas="g-libpng-config">libpng-config</primary>
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| 137 | </indexterm>
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| 138 | </listitem>
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| 139 | </varlistentry>
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| 140 |
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[5eda319] | 141 | <varlistentry id="libpng15-config">
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| 142 | <term><command>libpng15-config</command></term>
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[6b71f17] | 143 | <listitem>
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| 144 | <para>provides configuration information for
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| 145 | <application>libpng</application>.</para>
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[5eda319] | 146 | <indexterm zone="libpng libpng15-config">
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| 147 | <primary sortas="b-libpng15-config">libpng15-config</primary>
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[6b71f17] | 148 | </indexterm>
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| 149 | </listitem>
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| 150 | </varlistentry>
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| 151 |
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[5eda319] | 152 | <varlistentry id="libpng15">
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[b690f72] | 153 | <term><filename class="libraryfile">libpng.so and
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[5eda319] | 154 | libpng15.so</filename></term>
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[6b71f17] | 155 | <listitem>
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[b690f72] | 156 | <para>contain routines used to create and manipulate PNG format
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| 157 | graphics files.</para>
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[5eda319] | 158 | <indexterm zone="libpng libpng15">
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| 159 | <primary sortas="c-libpng15">libpng15.so</primary>
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[6b71f17] | 160 | </indexterm>
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| 161 | </listitem>
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| 162 | </varlistentry>
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| 163 | </variablelist>
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| 164 | </sect2>
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[f45b1953] | 165 | </sect1>
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