source: general/graphlib/libwebp.xml@ 5b5575b1

10.0 10.1 11.0 8.4 9.0 9.1 bdubbs/svn elogind ken/refactor-virt lazarus qt5new trunk xry111/git-date xry111/git-date-for-trunk xry111/git-date-test
Last change on this file since 5b5575b1 was 5b5575b1, checked in by Bruce Dubbs <bdubbs@…>, 3 years ago

iBring Chapter 10 up to date

Update to pixman-0.36.0.
Update to opencv_contrib-3.4.4.
Update to libwebp-1.0.1.
Update to librsvg-2.44.9.
Update to libjpeg-turbo-2.0.1.
Update to harfbuzz-2.2.0.
Update to babl-0.1.60.
Update to LibRaw-0.19.1.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@20764 af4574ff-66df-0310-9fd7-8a98e5e911e0

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File size: 6.8 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY libwebp-download-http "http://downloads.webmproject.org/releases/webp/libwebp-&libwebp-version;.tar.gz">
8 <!ENTITY libwebp-download-ftp " ">
9 <!ENTITY libwebp-md5sum "ba72dfa7588c751a3a9b735a6746a23e">
10 <!ENTITY libwebp-size "3.8 MB">
11 <!ENTITY libwebp-buildsize "45 MB">
12 <!ENTITY libwebp-time "0.4 SBU">
13]>
14
15<sect1 id="libwebp" xreflabel="libwebp-&libwebp-version;">
16 <?dbhtml filename="libwebp.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>libwebp-&libwebp-version;</title>
24
25 <indexterm zone="libwebp">
26 <primary sortas="a-libwebp">libwebp</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to libwebp</title>
31
32 <para>
33 The <application>libwebp</application> package contains a library
34 and support programs to encode and decode images in WebP format.
35 </para>
36
37 &lfs83_checked;
38
39 <bridgehead renderas="sect3">Package Information</bridgehead>
40 <itemizedlist spacing="compact">
41 <listitem>
42 <para>
43 Download (HTTP): <ulink url="&libwebp-download-http;"/>
44 </para>
45 </listitem>
46 <listitem>
47 <para>
48 Download (FTP): <ulink url="&libwebp-download-ftp;"/>
49 </para>
50 </listitem>
51 <listitem>
52 <para>
53 Download MD5 sum: &libwebp-md5sum;
54 </para>
55 </listitem>
56 <listitem>
57 <para>
58 Download size: &libwebp-size;
59 </para>
60 </listitem>
61 <listitem>
62 <para>
63 Estimated disk space required: &libwebp-buildsize;
64 </para>
65 </listitem>
66 <listitem>
67 <para>
68 Estimated build time: &libwebp-time;
69 </para>
70 </listitem>
71 </itemizedlist>
72
73 <bridgehead renderas="sect3">libwebp Dependencies</bridgehead>
74
75 <bridgehead renderas="sect4">Recommended</bridgehead>
76 <para role="recommended">
77 <xref linkend="libjpeg"/>,
78 <xref linkend="libpng"/> and
79 <xref linkend="libtiff"/>
80 </para>
81
82 <bridgehead renderas="sect4">Optional</bridgehead>
83 <para role="optional">
84 <xref linkend="freeglut"/> and
85 <xref linkend="giflib"/>
86 </para>
87
88 <para condition="html" role="usernotes">
89 User Notes: <ulink url="&blfs-wiki;/libwebp"/>
90 </para>
91 </sect2>
92
93 <sect2 role="installation">
94 <title>Installation of libwebp</title>
95
96 <para>
97 Install <application>libwebp</application> by running the following
98 commands:
99 </para>
100
101 <note>
102 <para>
103 If you are updating from libwebp-0.4.x or 0.5.x, and wish that installed
104 applications link to the new version 0.6.x, they need to be reinstalled.
105 </para>
106 </note>
107
108<screen><userinput>./configure --prefix=/usr \
109 --enable-libwebpmux \
110 --enable-libwebpdemux \
111 --enable-libwebpdecoder \
112 --enable-libwebpextras \
113 --enable-swap-16bit-csp \
114 --disable-static &amp;&amp;
115make</userinput></screen>
116
117 <para>
118 This package does not come with a test suite.
119 </para>
120
121 <para>
122 Now, as the <systemitem class="username">root</systemitem> user:
123 </para>
124
125<screen role="root"><userinput>make install</userinput></screen>
126
127 </sect2>
128
129 <sect2 role="commands">
130 <title>Command Explanations</title>
131
132
133 <para>
134 <parameter>--enable-swap-16bit-csp</parameter>: This switch enables byte
135 swap for 16 bit colorspaces.
136 </para>
137
138 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
139 href="../../xincludes/static-libraries.xml"/>
140
141 </sect2>
142
143 <sect2 role="content">
144 <title>Contents</title>
145
146 <segmentedlist>
147 <segtitle>Installed Programs</segtitle>
148 <segtitle>Installed Library</segtitle>
149 <segtitle>Installed Directory</segtitle>
150
151 <seglistitem>
152 <seg>
153 cwebp, dwebp, gif2webp, vwebp, and webpmux
154 </seg>
155 <seg>
156 libwebpdecoder.so, libwebpdemux.so, libwebpextras.so,
157 libwebpmux.so, and libwebp.so
158 </seg>
159 <seg>
160 /usr/include/webp
161 </seg>
162 </seglistitem>
163 </segmentedlist>
164
165 <variablelist>
166 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
167 <?dbfo list-presentation="list"?>
168 <?dbhtml list-presentation="table"?>
169
170 <varlistentry id="cwebp">
171 <term><command>cwebp</command></term>
172 <listitem>
173 <para>
174 compresses an image using the WebP format.
175 </para>
176 <indexterm zone="libwebp cwebp">
177 <primary sortas="b-cwebp">cwebp</primary>
178 </indexterm>
179 </listitem>
180 </varlistentry>
181
182 <varlistentry id="dwebp">
183 <term><command>dwebp</command></term>
184 <listitem>
185 <para>
186 decompresses WebP files into PNG, PAM, PPM or PGM images.
187 </para>
188 <indexterm zone="libwebp dwebp">
189 <primary sortas="b-dwebp">dwebp</primary>
190 </indexterm>
191 </listitem>
192 </varlistentry>
193
194 <varlistentry id="gif2webp">
195 <term><command>gif2webp</command></term>
196 <listitem>
197 <para>
198 converts a GIF image to a WebP image.
199 </para>
200 <indexterm zone="libwebp gif2webp">
201 <primary sortas="b-gif2webp">gif2webp</primary>
202 </indexterm>
203 </listitem>
204 </varlistentry>
205
206 <varlistentry id="vwebp">
207 <term><command>vwebp</command></term>
208 <listitem>
209 <para>
210 decompress a WebP file and display it in a window.
211 </para>
212 <indexterm zone="libwebp vwebp">
213 <primary sortas="b-vwebp">vwebp</primary>
214 </indexterm>
215 </listitem>
216 </varlistentry>
217
218 <varlistentry id="webpmux">
219 <term><command>webpmux</command></term>
220 <listitem>
221 <para>
222 creates animated WebP files from non-animated WebP images, extracts
223 frames from animated WebP images, and manages XMP/EXIF metadata and
224 ICC profile.
225 </para>
226 <indexterm zone="libwebp webpmux">
227 <primary sortas="b-webpmux">webpmux</primary>
228 </indexterm>
229 </listitem>
230 </varlistentry>
231
232 <varlistentry id="libwebp-lib">
233 <term><filename class="libraryfile">libwebp.so</filename></term>
234 <listitem>
235 <para>
236 contains the API functions for WebP encoding and decoding.
237 </para>
238 <indexterm zone="libwebp libwebp-lib">
239 <primary sortas="c-libwebp">libwebp.so</primary>
240 </indexterm>
241 </listitem>
242 </varlistentry>
243
244 </variablelist>
245
246 </sect2>
247
248</sect1>
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