[07cb2c5] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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| 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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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[a80c832] | 7 | <!ENTITY libjxl-download-http "https://github.com/libjxl/libjxl/archive/v&libjxl-version;/libjxl-&libjxl-version;.tar.gz">
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[b08f250] | 8 | <!ENTITY libjxl-md5sum "2b8433176a334480d21af02fd8bdc6fe">
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[07cb2c5] | 9 | <!ENTITY libjxl-size "1.8 MB">
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[b08f250] | 10 | <!ENTITY libjxl-buildsize "47 MB">
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| 11 | <!ENTITY libjxl-time "0.7 SBU (with parallelism=4)">
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[07cb2c5] | 12 |
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="libjxl" xreflabel="libjxl-&libjxl-version;">
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| 16 | <?dbhtml filename="libjxl.html"?>
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| 17 |
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| 18 | <title>libjxl-&libjxl-version;</title>
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| 19 |
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| 20 | <indexterm zone="libjxl">
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| 21 | <primary sortas="a-libjxl">libjxl</primary>
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| 22 | </indexterm>
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| 23 |
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| 24 | <sect2 role="package">
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| 25 | <title>Introduction to libjxl</title>
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| 26 |
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| 27 | <para>
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| 28 | The <application>libjxl</application> package contains the reference
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| 29 | implementation of the JPEG XL image format.
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| 30 | </para>
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| 31 |
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[3c9b5e9] | 32 | &lfs122_checked;
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[07cb2c5] | 33 |
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| 34 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 35 | <itemizedlist spacing="compact">
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| 36 | <listitem>
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| 37 | <para>
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| 38 | Download (HTTP): <ulink url="&libjxl-download-http;"/>
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| 39 | </para>
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| 40 | </listitem>
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| 41 | <listitem>
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| 42 | <para>
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| 43 | Download MD5 sum: &libjxl-md5sum;
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| 44 | </para>
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| 45 | </listitem>
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| 46 | <listitem>
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| 47 | <para>
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| 48 | Download size: &libjxl-size;
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| 49 | </para>
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| 50 | </listitem>
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| 51 | <listitem>
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| 52 | <para>
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| 53 | Estimated disk space required: &libjxl-buildsize;
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| 54 | </para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>
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| 58 | Estimated build time: &libjxl-time;
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| 59 | </para>
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| 60 | </listitem>
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| 61 | </itemizedlist>
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| 62 |
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| 63 | <bridgehead renderas="sect3">libjxl Dependencies</bridgehead>
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| 64 |
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| 65 | <bridgehead renderas="sect4">Required</bridgehead>
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| 66 | <para role="required">
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| 67 | <xref linkend="brotli"/>,
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| 68 | <xref linkend="cmake"/>,
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| 69 | <xref linkend="giflib"/>,
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| 70 | <xref linkend="highway"/>,
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| 71 | <xref linkend="lcms2"/>,
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| 72 | <xref linkend="libjpeg"/>, and
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| 73 | <xref linkend="libpng"/>
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| 74 | </para>
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| 75 |
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| 76 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 77 | <para role="recommended">
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| 78 | <xref linkend="gdk-pixbuf"/> (for the plugin)
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| 79 | </para>
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| 80 |
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| 81 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 82 | <para role="optional">
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[1bb7583] | 83 | <xref linkend="asciidoc"/> (for man pages),
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[07cb2c5] | 84 | <xref linkend="doxygen"/> and <xref linkend="graphviz"/>
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| 85 | (for documentation),
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[6399ab9c] | 86 | <!--<xref linkend="gimp"/> (for the plugin),-->
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[07cb2c5] | 87 | <xref linkend="java"/> (for the JAR),
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| 88 | <xref linkend="libavif"/>,
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[8d136e6f] | 89 | <xref linkend="libwebp"/>,
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| 90 | <ulink url="https://github.com/google/googletest">gtest</ulink>,
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| 91 | <ulink url="https://www.openexr.com/">OpenEXR</ulink>,
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| 92 | <ulink url="https://github.com/webmproject/sjpeg">sjpeg</ulink>, and
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[c75a0f4] | 93 | <ulink url="https://skia.googlesource.com/skcms/">skcms</ulink>
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[07cb2c5] | 94 | </para>
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| 95 |
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| 96 | </sect2>
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| 97 |
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| 98 | <sect2 role="installation">
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| 99 | <title>Installation of libjxl</title>
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| 100 |
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| 101 | <para>
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| 102 | Install <application>libjxl</application> by running the following
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| 103 | commands:
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| 104 | </para>
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| 105 |
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| 106 | <screen><userinput>mkdir build &&
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| 107 | cd build &&
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| 108 |
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| 109 | cmake -D CMAKE_INSTALL_PREFIX=/usr \
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| 110 | -D CMAKE_BUILD_TYPE=Release \
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| 111 | -D BUILD_TESTING=OFF \
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| 112 | -D BUILD_SHARED_LIBS=ON \
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| 113 | -D JPEGXL_ENABLE_SKCMS=OFF \
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| 114 | -D JPEGXL_ENABLE_SJPEG=OFF \
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| 115 | -D JPEGXL_ENABLE_PLUGINS=ON \
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| 116 | -D JPEGXL_INSTALL_JARDIR=/usr/share/java \
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| 117 | -G Ninja .. &&
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| 118 | ninja</userinput></screen>
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| 119 |
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| 120 | <para>
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| 121 | This package does come with a test suite, but it requires
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| 122 | <ulink url="https://github.com/google/googletest">gtest</ulink>, which
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| 123 | is not in BLFS.
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| 124 | </para>
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| 125 |
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| 126 | <para>
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| 127 | Now, as the &root; user:
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| 128 | </para>
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| 129 |
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| 130 | <screen role="root"><userinput>ninja install &&
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| 131 | gdk-pixbuf-query-loaders --update-cache</userinput></screen>
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| 132 |
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| 133 | </sect2>
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| 134 |
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| 135 | <sect2 role="commands">
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| 136 | <title>Command Explanations</title>
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| 137 |
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| 138 | <para>
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| 139 | <command>gdk-pixbuf-query-loaders --update-cache</command>: This command
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| 140 | regenerates the <application>GDK Pixbuf</application> loader cache so
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| 141 | that it is aware of the JPEG-XL loader.
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| 142 | </para>
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| 143 |
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| 144 | <para>
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[bc2ef7c7] | 145 | <parameter>-D BUILD_TESTING=OFF</parameter>: This parameter disables the
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[07cb2c5] | 146 | tests because they require
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| 147 | <ulink url="https://github.com/google/googletest">gtest</ulink>, which
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| 148 | is not in BLFS. If you wish to run the tests and have
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| 149 | <ulink url="https://github.com/google/googletest">gtest</ulink> installed,
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| 150 | remove this parameter.
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| 151 | </para>
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| 152 |
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| 153 | <para>
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[bc2ef7c7] | 154 | <parameter>-D BUILD_SHARED_LIBS=ON</parameter>: This parameter enables
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[07cb2c5] | 155 | building shared versions of the libraries instead of static ones.
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| 156 | </para>
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| 157 |
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| 158 | <para>
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[bc2ef7c7] | 159 | <parameter>-D JPEGXL_ENABLE_SKCMS=OFF</parameter>: This parameter disables
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[07cb2c5] | 160 | building support for Skia's <application>skcms</application> since it is
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| 161 | not necessary for BLFS purposes and requires
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| 162 | <ulink url="https://skia.googlesource.com/skcms/">skcms</ulink>.
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| 163 | </para>
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| 164 |
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| 165 | <para>
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[bc2ef7c7] | 166 | <parameter>-D JPEGXL_ENABLE_SJPEG=OFF</parameter>: This parameter disables
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[07cb2c5] | 167 | support for SimpleJPEG since it is not necessary for BLFS purposes and
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| 168 | requires <ulink url="https://github.com/webmproject/sjpeg">sjpeg</ulink>.
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| 169 | </para>
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| 170 |
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| 171 | <para>
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[bc2ef7c7] | 172 | <parameter>-D JPEGXL_ENABLE_PLUGINS=ON</parameter>: This parameter enables
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[8d136e6f] | 173 | Plugin support, which creates plugins for <!--<xref linkend="gimp"/> and-->
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| 174 | <xref linkend="gdk-pixbuf"/> if the package is installed.
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[07cb2c5] | 175 | </para>
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| 176 |
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| 177 | <para>
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[bc2ef7c7] | 178 | <parameter>-D JPEGXL_INSTALL_JARDIR=/usr/share/java</parameter>: This
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[07cb2c5] | 179 | parameter places the JAR file for JPEG XL support in the correct
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| 180 | directory if <xref linkend="java"/> is installed.
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| 181 | </para>
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| 182 |
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| 183 | </sect2>
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| 184 |
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| 185 | <sect2 role="content">
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| 186 | <title>Contents</title>
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| 187 |
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| 188 | <segmentedlist>
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| 189 | <segtitle>Installed Programs</segtitle>
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| 190 | <segtitle>Installed Libraries</segtitle>
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| 191 | <segtitle>Installed Directories</segtitle>
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| 192 |
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| 193 | <seglistitem>
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| 194 | <seg>
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| 195 | benchmark_xl,
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| 196 | cjxl,
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| 197 | djxl, and
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| 198 | jxlinfo
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| 199 | </seg>
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| 200 | <seg>
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| 201 | libjxl.so,
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| 202 | libjxl_cms.so,
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| 203 | libjxl_extras_codec.so,
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| 204 | libjxl_jni.so,
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| 205 | libjxl_threads.so, and
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[050607b3] | 206 | libpixbufloader-jxl.so (in /usr/lib/gdk-pixbuf-2.0/2.10.0/loaders)
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[07cb2c5] | 207 | </seg>
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| 208 | <seg>
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| 209 | /usr/include/jxl
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| 210 | </seg>
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| 211 | </seglistitem>
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| 212 | </segmentedlist>
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| 213 |
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| 214 | <variablelist>
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| 215 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 216 | <?dbfo list-presentation="list"?>
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| 217 | <?dbhtml list-presentation="table"?>
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| 218 |
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| 219 | <varlistentry id="benchmark_xl">
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| 220 | <term><command>benchmark_xl</command></term>
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| 221 | <listitem>
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| 222 | <para>
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| 223 | runs performance benchmarks against libjxl
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| 224 | </para>
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| 225 | <indexterm zone="libjxl benchmark_xl">
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| 226 | <primary sortas="b-benchmark_xl">benchmark_xl</primary>
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| 227 | </indexterm>
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| 228 | </listitem>
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| 229 | </varlistentry>
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| 230 |
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| 231 | <varlistentry id="cjxl">
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| 232 | <term><command>cjxl</command></term>
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| 233 | <listitem>
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| 234 | <para>
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| 235 | compresses images into JPEG XL format
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| 236 | </para>
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| 237 | <indexterm zone="libjxl cjxl">
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| 238 | <primary sortas="b-cjxl">cjxl</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="djxl">
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| 244 | <term><command>djxl</command></term>
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| 245 | <listitem>
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| 246 | <para>
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| 247 | decompresses images from JPEG XL format into other formats
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| 248 | </para>
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| 249 | <indexterm zone="libjxl djxl">
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| 250 | <primary sortas="b-djxl">djxl</primary>
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| 251 | </indexterm>
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| 252 | </listitem>
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| 253 | </varlistentry>
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| 254 |
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| 255 | <varlistentry id="jxlinfo">
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| 256 | <term><command>jxlinfo</command></term>
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| 257 | <listitem>
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| 258 | <para>
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| 259 | displays information about JPEG XL images
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| 260 | </para>
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| 261 | <indexterm zone="libjxl jxlinfo">
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| 262 | <primary sortas="b-jxlinfo">jxlinfo</primary>
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| 263 | </indexterm>
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| 264 | </listitem>
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| 265 | </varlistentry>
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| 266 |
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| 267 | <varlistentry id="libjxl-lib">
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| 268 | <term><filename class="libraryfile">libjxl.so</filename></term>
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| 269 | <listitem>
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| 270 | <para>
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| 271 | contains the reference implementation of the JPEG XL standard
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| 272 | </para>
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| 273 | <indexterm zone="libjxl libjxl-lib">
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| 274 | <primary sortas="c-libjxl">libjxl.so</primary>
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| 275 | </indexterm>
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| 276 | </listitem>
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| 277 | </varlistentry>
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| 278 |
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| 279 | <varlistentry id="libjxl_cms">
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| 280 | <term><filename class="libraryfile">libjxl_cms.so</filename></term>
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| 281 | <listitem>
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| 282 | <para>
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| 283 | contains support for Little CMS in libjxl
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| 284 | </para>
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| 285 | <indexterm zone="libjxl libjxl_cms">
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| 286 | <primary sortas="c-libjxl_cms">libjxl_cms.so</primary>
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| 287 | </indexterm>
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| 288 | </listitem>
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| 289 | </varlistentry>
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| 290 |
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| 291 | <varlistentry id="libjxl_extras_codec">
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| 292 | <term><filename class="libraryfile">libjxl_extras_codec.so</filename></term>
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| 293 | <listitem>
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| 294 | <para>
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| 295 | contains additional codec support for JPEG XL images
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| 296 | </para>
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| 297 | <indexterm zone="libjxl libjxl_extras_codec">
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| 298 | <primary sortas="c-libjxl_extras_codec">libjxl_extras_codec.so</primary>
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| 299 | </indexterm>
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| 300 | </listitem>
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| 301 | </varlistentry>
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| 302 |
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| 303 | <varlistentry id="libjxl_jni">
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| 304 | <term><filename class="libraryfile">libjxl_jni.so</filename></term>
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| 305 | <listitem>
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| 306 | <para>
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| 307 | contains a Java interface to support JPEG XL on systems where
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| 308 | <xref linkend="java"/> was installed at build time
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| 309 | </para>
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| 310 | <indexterm zone="libjxl libjxl_jni">
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| 311 | <primary sortas="c-libjxl_jni">libjxl_jni.so</primary>
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| 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | <varlistentry id="libjxl_threads">
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| 317 | <term><filename class="libraryfile">libjxl_threads.so</filename></term>
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| 318 | <listitem>
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| 319 | <para>
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| 320 | contains threading functions for JPEG XL
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| 321 | </para>
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| 322 | <indexterm zone="libjxl libjxl_threads">
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| 323 | <primary sortas="c-libjxl_threads">libjxl_threads.so</primary>
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| 324 | </indexterm>
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| 325 | </listitem>
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| 326 | </varlistentry>
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| 327 |
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| 328 | <varlistentry id="libpixbufloader-jxl">
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| 329 | <term><filename class="libraryfile">libpixbufloader-jxl.so</filename></term>
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| 330 | <listitem>
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| 331 | <para>
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| 332 | contains a loader for gdk-pixbuf to allow it to load JPEG XL images
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| 333 | </para>
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| 334 | <indexterm zone="libjxl libpixbufloader-jxl">
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| 335 | <primary sortas="c-libpixbufloader-jxl">libpixbufloader-jxl.so</primary>
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| 336 | </indexterm>
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| 337 | </listitem>
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| 338 | </varlistentry>
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| 339 | </variablelist>
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| 340 | </sect2>
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| 341 | </sect1>
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