[52d29f7] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
---|
[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
---|
[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
---|
| 5 | %general-entities;
|
---|
| 6 |
|
---|
[ac38e9dc] | 7 | <!ENTITY libpng-download-http "&sourceforge-repo;/libpng/libpng-&libpng-version;.tar.xz">
|
---|
[8042630] | 8 | <!ENTITY libpng-download-ftp " ">
|
---|
[94b4def9] | 9 | <!ENTITY libpng-md5sum "3bacb4728f6694a64ad9052769d6a4ce">
|
---|
| 10 | <!ENTITY libpng-size "924 KB">
|
---|
| 11 | <!ENTITY libpng-buildsize "16 MB (with tests)">
|
---|
| 12 | <!ENTITY libpng-time "0.6 SBU (with tests)">
|
---|
[31ab0f7] | 13 |
|
---|
[94b4def9] | 14 | <!ENTITY apng-version "&libpng-version;">
|
---|
[4890200] | 15 |
|
---|
[94b4def9] | 16 | <!--<!ENTITY apng-patch
|
---|
| 17 | "&sourceforge-repo;/libpng-apng/libpng-&apng-version;-apng.patch.gz">-->
|
---|
[8e22d1a] | 18 | <!ENTITY apng-patch
|
---|
[94b4def9] | 19 | "&sourceforge-repo;/project/apng/libpng/libpng16/libpng-&apng-version;-apng.patch.gz">
|
---|
[52d29f7] | 20 | ]>
|
---|
| 21 |
|
---|
[f45b1953] | 22 | <sect1 id="libpng" xreflabel="libpng-&libpng-version;">
|
---|
[6b71f17] | 23 | <?dbhtml filename="libpng.html"?>
|
---|
| 24 |
|
---|
| 25 | <sect1info>
|
---|
| 26 | <othername>$LastChangedBy$</othername>
|
---|
| 27 | <date>$Date$</date>
|
---|
| 28 | </sect1info>
|
---|
| 29 |
|
---|
[8042630] | 30 | <title>libpng-&libpng-version;</title>
|
---|
[6b71f17] | 31 |
|
---|
| 32 | <indexterm zone="libpng">
|
---|
[a98acfe7] | 33 | <primary sortas="a-libpng">libpng</primary>
|
---|
[6b71f17] | 34 | </indexterm>
|
---|
| 35 |
|
---|
[13d6079] | 36 | <sect2 role="package">
|
---|
[8042630] | 37 | <title>Introduction to libpng</title>
|
---|
[6b71f17] | 38 |
|
---|
[de05930] | 39 | <para>
|
---|
[31ab0f7] | 40 | The <application>libpng</application> package contains libraries used
|
---|
| 41 | by other programs for reading and writing PNG files. The PNG format
|
---|
| 42 | was designed as a replacement for GIF and, to a lesser extent, TIFF,
|
---|
| 43 | with many improvements and extensions and lack of patent problems.
|
---|
[de05930] | 44 | </para>
|
---|
[6b71f17] | 45 |
|
---|
[0928035] | 46 | &lfs79_checked;
|
---|
[a263ccb3] | 47 |
|
---|
[6b71f17] | 48 | <bridgehead renderas="sect3">Package Information</bridgehead>
|
---|
| 49 | <itemizedlist spacing="compact">
|
---|
| 50 | <listitem>
|
---|
[b33c421] | 51 | <para>
|
---|
| 52 | Download (HTTP): <ulink url="&libpng-download-http;"/>
|
---|
| 53 | </para>
|
---|
[6b71f17] | 54 | </listitem>
|
---|
| 55 | <listitem>
|
---|
[b33c421] | 56 | <para>
|
---|
| 57 | Download (FTP): <ulink url="&libpng-download-ftp;"/>
|
---|
| 58 | </para>
|
---|
[6b71f17] | 59 | </listitem>
|
---|
| 60 | <listitem>
|
---|
[b33c421] | 61 | <para>
|
---|
| 62 | Download MD5 sum: &libpng-md5sum;
|
---|
| 63 | </para>
|
---|
[6b71f17] | 64 | </listitem>
|
---|
| 65 | <listitem>
|
---|
[b33c421] | 66 | <para>
|
---|
| 67 | Download size: &libpng-size;
|
---|
| 68 | </para>
|
---|
[6b71f17] | 69 | </listitem>
|
---|
| 70 | <listitem>
|
---|
[b33c421] | 71 | <para>
|
---|
| 72 | Estimated disk space required: &libpng-buildsize;
|
---|
| 73 | </para>
|
---|
[6b71f17] | 74 | </listitem>
|
---|
| 75 | <listitem>
|
---|
[b33c421] | 76 | <para>
|
---|
| 77 | Estimated build time: &libpng-time;
|
---|
| 78 | </para>
|
---|
[6b71f17] | 79 | </listitem>
|
---|
| 80 | </itemizedlist>
|
---|
| 81 |
|
---|
[57fc33d3] | 82 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
|
---|
[b690f72] | 83 | <itemizedlist spacing="compact">
|
---|
[6b71f17] | 84 | <listitem>
|
---|
[de05930] | 85 | <para>
|
---|
| 86 | Optional patch to include animated png functionality in
|
---|
[a38269c] | 87 | <application>libpng</application> (required to use the system
|
---|
[de05930] | 88 | <application>libpng</application> in
|
---|
[94b4def9] | 89 | <application>Firefox</application>),
|
---|
| 90 | <application>Seamonkey</application>), and
|
---|
| 91 | <application>Thunderbird</application>): <ulink url="&apng-patch;"/>
|
---|
[de05930] | 92 | </para>
|
---|
[6b71f17] | 93 | </listitem>
|
---|
[57fc33d3] | 94 | </itemizedlist>
|
---|
[6b71f17] | 95 |
|
---|
[de05930] | 96 | <para condition="html" role="usernotes">
|
---|
| 97 | User Notes: <ulink url="&blfs-wiki;/libpng"/>
|
---|
| 98 | </para>
|
---|
[6b71f17] | 99 | </sect2>
|
---|
| 100 |
|
---|
| 101 | <sect2 role="installation">
|
---|
[8042630] | 102 | <title>Installation of libpng</title>
|
---|
[6b71f17] | 103 |
|
---|
[de05930] | 104 | <para>
|
---|
| 105 | If you want to patch libpng to support apng files, apply the patch:
|
---|
| 106 | </para>
|
---|
[d0c5ea3] | 107 |
|
---|
[94b4def9] | 108 | <!--<screen><userinput>gzip -cd ../libpng-&apng-version;-apng.patch.gz | patch -p1</userinput></screen>-->
|
---|
| 109 | <screen><userinput>gzip -cd ../libpng-&apng-version;-apng.patch.gz | patch -p0</userinput></screen>
|
---|
[d0c5ea3] | 110 |
|
---|
[de05930] | 111 | <para>
|
---|
| 112 | Install <application>libpng</application> by running the following
|
---|
| 113 | commands:
|
---|
| 114 | </para>
|
---|
[6b71f17] | 115 |
|
---|
[b33c421] | 116 | <screen><userinput>./configure --prefix=/usr --disable-static &&
|
---|
[8042630] | 117 | make</userinput></screen>
|
---|
| 118 |
|
---|
[b33c421] | 119 | <para>
|
---|
| 120 | To test the results, issue: <command>make check</command>.
|
---|
| 121 | </para>
|
---|
[6b71f17] | 122 |
|
---|
[de05930] | 123 | <para>
|
---|
| 124 | Now, as the <systemitem class="username">root</systemitem> user:
|
---|
| 125 | </para>
|
---|
[6b71f17] | 126 |
|
---|
[8042630] | 127 | <screen role="root"><userinput>make install &&
|
---|
[a98acfe7] | 128 | mkdir -v /usr/share/doc/libpng-&libpng-version; &&
|
---|
| 129 | cp -v README libpng-manual.txt /usr/share/doc/libpng-&libpng-version;</userinput></screen>
|
---|
[31ab0f7] | 130 |
|
---|
[6b71f17] | 131 | </sect2>
|
---|
| 132 |
|
---|
[5eda319] | 133 | <sect2 role="commands">
|
---|
| 134 | <title>Command Explanations</title>
|
---|
| 135 |
|
---|
[de05930] | 136 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
|
---|
| 137 | href="../../xincludes/static-libraries.xml"/>
|
---|
[b33c421] | 138 |
|
---|
[5eda319] | 139 | </sect2>
|
---|
| 140 |
|
---|
[6b71f17] | 141 | <sect2 role="content">
|
---|
| 142 | <title>Contents</title>
|
---|
| 143 |
|
---|
| 144 | <segmentedlist>
|
---|
| 145 | <segtitle>Installed Programs</segtitle>
|
---|
| 146 | <segtitle>Installed Libraries</segtitle>
|
---|
[9de6f91] | 147 | <segtitle>Installed Directories</segtitle>
|
---|
[6b71f17] | 148 |
|
---|
| 149 | <seglistitem>
|
---|
[de05930] | 150 | <seg>
|
---|
[94b4def9] | 151 | libpng-config (symlink), libpng16-config, pngfix and png-fix-itxt
|
---|
[de05930] | 152 | </seg>
|
---|
| 153 | <seg>
|
---|
[94b4def9] | 154 | libpng.so
|
---|
[de05930] | 155 | </seg>
|
---|
| 156 | <seg>
|
---|
[31ab0f7] | 157 | /usr/include/libpng16 and
|
---|
[de05930] | 158 | /usr/share/doc/libpng-&libpng-version;
|
---|
| 159 | </seg>
|
---|
[6b71f17] | 160 | </seglistitem>
|
---|
| 161 | </segmentedlist>
|
---|
| 162 |
|
---|
| 163 | <variablelist>
|
---|
| 164 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
| 165 | <?dbfo list-presentation="list"?>
|
---|
| 166 | <?dbhtml list-presentation="table"?>
|
---|
| 167 |
|
---|
[1a021f3c] | 168 | <varlistentry id="pngfix">
|
---|
| 169 | <term><command>pngfix</command></term>
|
---|
| 170 | <listitem>
|
---|
| 171 | <para>
|
---|
| 172 | tests, optimizes and optionally fixes the zlib header in PNG files.
|
---|
[a407a1c] | 173 | Optionally, when fixing, strips ancillary chunks from the file.
|
---|
[1a021f3c] | 174 | </para>
|
---|
| 175 | <indexterm zone="libpng pngfix">
|
---|
| 176 | <primary sortas="b-pngfix">pngfix</primary>
|
---|
| 177 | </indexterm>
|
---|
| 178 | </listitem>
|
---|
| 179 | </varlistentry>
|
---|
| 180 |
|
---|
| 181 | <varlistentry id="png-fix-itxt">
|
---|
| 182 | <term><command>png-fix-itxt</command></term>
|
---|
| 183 | <listitem>
|
---|
| 184 | <para>
|
---|
| 185 | fixes PNG files that have an incorrect length field in the
|
---|
| 186 | iTXt chunks.
|
---|
| 187 | </para>
|
---|
| 188 | <indexterm zone="libpng png-fix-itxt">
|
---|
| 189 | <primary sortas="b-png-fix-itxt">png-fix-itxt</primary>
|
---|
| 190 | </indexterm>
|
---|
| 191 | </listitem>
|
---|
| 192 | </varlistentry>
|
---|
| 193 |
|
---|
[6b71f17] | 194 | <varlistentry id="libpng-config">
|
---|
| 195 | <term><command>libpng-config</command></term>
|
---|
| 196 | <listitem>
|
---|
[de05930] | 197 | <para>
|
---|
[31ab0f7] | 198 | is a shell script that provides configuration information
|
---|
| 199 | for applications wanting to use
|
---|
| 200 | <application>libpng</application>.
|
---|
[de05930] | 201 | </para>
|
---|
[31ab0f7] | 202 | <indexterm zone="libpng libpng-config">
|
---|
| 203 | <primary sortas="b-libpng-config">libpng-config</primary>
|
---|
[6b71f17] | 204 | </indexterm>
|
---|
| 205 | </listitem>
|
---|
| 206 | </varlistentry>
|
---|
| 207 |
|
---|
[31ab0f7] | 208 | <varlistentry id="libpng-lin">
|
---|
| 209 | <term><filename class="libraryfile">libpng.so</filename></term>
|
---|
[6b71f17] | 210 | <listitem>
|
---|
[de05930] | 211 | <para>
|
---|
[31ab0f7] | 212 | contain routines used to create and manipulate PNG
|
---|
| 213 | format graphics files.
|
---|
[de05930] | 214 | </para>
|
---|
[31ab0f7] | 215 | <indexterm zone="libpng libpng-lin">
|
---|
| 216 | <primary sortas="c-libpng">libpng.so</primary>
|
---|
[6b71f17] | 217 | </indexterm>
|
---|
| 218 | </listitem>
|
---|
| 219 | </varlistentry>
|
---|
[b33c421] | 220 |
|
---|
[6b71f17] | 221 | </variablelist>
|
---|
[b33c421] | 222 |
|
---|
[6b71f17] | 223 | </sect2>
|
---|
[b33c421] | 224 |
|
---|
[f45b1953] | 225 | </sect1>
|
---|