mirror of
https://github.com/Zeckmathederg/glfs.git
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a2912ff635
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@10464 af4574ff-66df-0310-9fd7-8a98e5e911e0
314 lines
11 KiB
XML
314 lines
11 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY cairo-download-http "http://cairographics.org/releases/cairo-&cairo-version;.tar.xz">
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<!ENTITY cairo-download-ftp " ">
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<!ENTITY cairo-md5sum "87649eb75789739d517c743e94879e51">
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<!ENTITY cairo-size "41 MB">
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<!ENTITY cairo-buildsize "178 MB">
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<!ENTITY cairo-time "1.1 SBU">
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]>
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<sect1 id="cairo" xreflabel="Cairo-&cairo-version;">
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<?dbhtml filename="cairo.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>Cairo-&cairo-version;</title>
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<indexterm zone="cairo">
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<primary sortas="a-Cairo">Cairo</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to Cairo</title>
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<para>
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<application>Cairo</application> is a 2D graphics library with support for
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multiple output devices. Currently supported output targets include the
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<application>X</application> Window System, win32, image buffers,
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PostScript, PDF and SVG. Experimental backends include OpenGL, Quartz and
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XCB file output. <application>Cairo</application> is designed to produce
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consistent output on all output media while taking advantage of display
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hardware acceleration when available (e.g., through the X Render
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Extension). The <application>Cairo</application> API provides operations
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similar to the drawing operators of PostScript and PDF. Operations in
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<application>Cairo</application> include stroking and filling cubic
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Bézier splines, transforming and compositing translucent images,
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and antialiased text rendering. All drawing operations can be transformed
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by any
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<ulink url="http://en.wikipedia.org/wiki/Affine_transformation">affine
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transformation</ulink> (scale, rotation, shear, etc.).
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</para>
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&lfs71_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&cairo-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&cairo-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &cairo-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &cairo-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &cairo-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &cairo-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch (if you intend to compile any Mozilla products):
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<ulink url="&patch-root;/cairo-&cairo-version;-expose-snapshot-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Cairo Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<!-- Just a note: png is REQUIRED, since something that isn't REQUIRED
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does not need bunch of DISABLE switches. You are breaking the package
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for those that don't want to install recommended deps, and I've seen
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lot of people like that. Leave it, it is not a big dep, and I suspect
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that someone will install cairo just to test gobject-introspection, since
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I doubt someone will need that unless building gnome stuff, and it is
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really wrong way of thinking that someone might need cairo JUST to test
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introspection. No offense. -->
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<xref linkend="libpng"/>,
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<xref linkend="glib2"/> and
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<xref linkend="pixman"/>
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</para>
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<bridgehead renderas="sect4">Recommended (Required if building GTK+)</bridgehead>
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<para role="recommended">
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<xref linkend="fontconfig"/>,
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<xref linkend="xorg7-lib"/>
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="cogl"/>,
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<ulink url="http://www.directfb.org/">DirectFB</ulink>,
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<xref linkend="gs"/> (for testing the postscript backend),
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<xref linkend="gtk2"/> (for testing the PDF backend),
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<xref linkend="gtk-doc"/>,
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<xref linkend="libdrm"/>,
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<xref linkend="librsvg"/> (for testing the SVG backend),
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<ulink url="http://libspectre.freedesktop.org">libspectre</ulink> (for
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testing the PDF backend),
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<xref linkend="mesalib"/>,
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<xref linkend="poppler"/> (for testing the PDF backend),
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<xref linkend="qt"/>,
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<ulink url="http://code.google.com/p/skia/">Skia</ulink> and
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<ulink url="http://www.valgrind.org">Valgrind</ulink>.
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</para>
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<note>
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<para>
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There is a reciprocal dependency with the
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<application>GTK+ 2</application>, <application>librsvg</application> and
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<application>Poppler</application> packages. As the test suite is
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currently unreliable, it is best to simply skip it at this time.
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</para>
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</note>
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<para condition="html" role="usernotes">
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User Notes: <ulink url="&blfs-wiki;/cairo"/>
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Cairo</title>
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<para>
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Install <application>Cairo</application> by running the following
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commands:
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</para>
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<screen><userinput>sed -i 's#check-plt.sh ##' src/Makefile.in &&
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patch -p1 < ../cairo-&cairo-version;-expose-snapshot-1.patch &&
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./configure --prefix=/usr --disable-static --enable-tee --enable-xcb &&
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make</userinput></screen>
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<para>
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Note that the tests take a long time to run, many of them fail for unknown
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reasons and it has been known to cause a kernel panic. If you want to run
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the tests issue: <command>make -k check</command>.
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>
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<command>sed -i 's#check-plt.sh ##' src/Makefile.in</command>: This sed
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disables running a test which is known to fail with the expose-snapshot
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patch.
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</para>
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<para>
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<command>patch -p1 <
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../cairo-&cairo-version;-expose-snapshot-1.patch</command>: This patch
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exposes some private functions that <application>Firefox</application>
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relies on. Applying this patch allows <application>Firefox</application>
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to use the system installed <application>Cairo</application>.
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</para>
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<para>
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<option>--enable-tee</option>: This is used by
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<application>Firefox</application>. If you don't enable the Cairo's tee
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surface backend you won't be able to build
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<application>Firefox</application> with
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<option>--enable-system-cairo</option>.
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</para>
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<para>
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<option>--enable-gl</option>: Enable <application>Cairo</application>'s
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OpenGL backend.
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</para>
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<para>
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<option>--enable-xcb</option>: Enable <application>Cairo</application>'s
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libxcb backend.
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</para>
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<para>
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<option>--enable-vg</option>: Enable the <application>Cairo</application>
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<ulink url="http://en.wikipedia.org/wiki/OpenVG">OpenVG</ulink> backend
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(requires <xref linkend="mesalib"/> installed, configured with
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--enable-gallium-egl and --enable-openvg).
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</para>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="../../xincludes/static-libraries.xml"/>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="../../xincludes/gtk-doc-rebuild.xml"/>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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cairo-sphinx and cairo-trace
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</seg>
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<seg>
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libcairo.so, libcairo-gobject.so and
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libcairo-script-interpreter.so
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</seg>
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<seg>
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/usr/include/cairo,
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/usr/lib/cairo and
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/usr/share/gtk-doc/html/cairo
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="cairo-trace">
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<term><command>cairo-trace</command></term>
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<listitem>
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<para>
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generates a log of all calls made by an application to
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<application>Cairo</application>.
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</para>
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<indexterm zone="cairo cairo-trace">
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<primary sortas="b-cairo-trace">cairo-trace</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libcairo">
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<term><filename class='libraryfile'>libcairo.so</filename></term>
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<listitem>
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<para>
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contains the 2D graphics functions required for rendering to the
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various output targets.
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</para>
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<indexterm zone="cairo libcairo">
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<primary sortas="c-libcairo">libcairo.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libcairo-gobject">
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<term><filename class='libraryfile'>libcairo-gobject.so</filename></term>
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<listitem>
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<para>
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contains functions that integrate
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<application>Cairo</application> with <xref linkend="glib2"/>'s
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GObject type system.
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</para>
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<indexterm zone="cairo libcairo-gobject">
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<primary sortas="c-libcairo-gobject">libcairo-gobject.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libcairo-script-interpreter">
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<term><filename class='libraryfile'>libcairo-script-interpreter.so</filename></term>
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<listitem>
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<para>
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contains the script interpreter functions for executing and
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manipulating <application>Cairo</application> execution traces.
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</para>
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<indexterm zone="cairo libcairo-script-interpreter">
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<primary sortas="c-libcairo-script-interpreter">libcairo-script-interpreter.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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