1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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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7 | <!ENTITY cairo-download-http
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8 | "http://cairographics.org/releases/cairo-&cairo-version;.tar.xz">
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9 | <!ENTITY cairo-download-ftp " ">
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10 | <!ENTITY cairo-md5sum "87649eb75789739d517c743e94879e51">
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11 | <!ENTITY cairo-size "41 MB">
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12 | <!ENTITY cairo-buildsize "178 MB">
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13 | <!ENTITY cairo-time "1.1 SBU">
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14 | ]>
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15 |
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16 | <sect1 id="cairo" xreflabel="cairo-&cairo-version;">
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17 | <?dbhtml filename="cairo.html"?>
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18 |
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19 | <sect1info>
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20 | <othername>$LastChangedBy$</othername>
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21 | <date>$Date$</date>
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22 | </sect1info>
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23 |
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24 | <title>cairo-&cairo-version;</title>
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25 |
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26 | <indexterm zone="cairo">
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27 | <primary sortas="a-cairo">cairo</primary>
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28 | </indexterm>
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29 |
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30 | <sect2 role="package">
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31 | <title>Introduction to Cairo</title>
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32 |
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33 | <para>
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34 | <application>Cairo</application> is a 2D graphics library with support for
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35 | multiple output devices. Currently supported output targets include the
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36 | <application>X</application> Window System, win32, image buffers,
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37 | PostScript, PDF and SVG. Experimental backends include OpenGL, Quartz and
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38 | XCB file output. <application>Cairo</application> is designed to produce
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39 | consistent output on all output media while taking advantage of display
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40 | hardware acceleration when available (e.g., through the X Render
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41 | Extension). The <application>Cairo</application> API provides operations
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42 | similar to the drawing operators of PostScript and PDF. Operations in
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43 | <application>Cairo</application> include stroking and filling cubic
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44 | Bézier splines, transforming and compositing translucent images,
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45 | and antialiased text rendering. All drawing operations can be transformed
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46 | by any
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47 | <ulink url="http://en.wikipedia.org/wiki/Affine_transformation">affine
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48 | transformation</ulink> (scale, rotation, shear, etc.).
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49 | </para>
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50 |
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51 | &lfs71_checked;
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52 |
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53 | <bridgehead renderas="sect3">Package Information</bridgehead>
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54 | <itemizedlist spacing="compact">
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55 | <listitem>
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56 | <para>
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57 | Download (HTTP): <ulink url="&cairo-download-http;"/>
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58 | </para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>
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62 | Download (FTP): <ulink url="&cairo-download-ftp;"/>
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63 | </para>
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64 | </listitem>
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65 | <listitem>
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66 | <para>
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67 | Download MD5 sum: &cairo-md5sum;
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68 | </para>
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69 | </listitem>
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70 | <listitem>
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71 | <para>
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72 | Download size: &cairo-size;
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73 | </para>
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74 | </listitem>
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75 | <listitem>
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76 | <para>
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77 | Estimated disk space required: &cairo-buildsize;
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78 | </para>
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79 | </listitem>
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80 | <listitem>
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81 | <para>
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82 | Estimated build time: &cairo-time;
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83 | </para>
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84 | </listitem>
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85 | </itemizedlist>
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86 |
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87 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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88 | <itemizedlist spacing="compact">
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89 | <listitem>
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90 | <para>
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91 | Required patch (if you intend to compile any Mozilla products):
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92 | <ulink url="&patch-root;/cairo-&cairo-version;-expose-snapshot-1.patch"/>
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93 | </para>
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94 | </listitem>
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95 | </itemizedlist>
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96 |
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97 | <bridgehead renderas="sect3">Cairo Dependencies</bridgehead>
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98 |
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99 | <bridgehead renderas="sect4">Required</bridgehead>
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100 | <para role="required">
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101 | <xref linkend="glib2"/> and
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102 | <xref linkend="pixman"/>
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103 | </para>
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104 |
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105 | <bridgehead renderas="sect4">Recommended (Required if building GTK+)</bridgehead>
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106 | <para role="recommended">
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107 | <xref linkend="fontconfig"/>,
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108 | <xref linkend="libpng"/> (if you want to build
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109 | <application>Cairo</application> without <application>Libpng</application>
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110 | you will need to add --disable-png --disable-svg to the configure options
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111 | and remove --enable-tee) and
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112 | <xref linkend="xorg7-lib"/>.
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113 | </para>
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114 |
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115 | <bridgehead renderas="sect4">Optional</bridgehead>
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116 | <para role="optional">
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117 | <xref linkend="cogl"/>,
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118 | <ulink url="http://www.directfb.org/">DirectFB</ulink>,
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119 | <xref linkend="gs"/> (for testing the postscript backend),
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120 | <xref linkend="gtk2"/> (for testing the PDF backend),
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121 | <xref linkend="gtk-doc"/>,
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122 | <xref linkend="libdrm"/>,
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123 | <xref linkend="librsvg"/> (for testing the SVG backend),
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124 | <ulink url="http://libspectre.freedesktop.org">libspectre</ulink> (for
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125 | testing the PDF backend),
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126 | <xref linkend="mesalib"/>,
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127 | <xref linkend="poppler"/> (for testing the PDF backend),
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128 | <xref linkend="qt4"/>,
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129 | <ulink url="http://code.google.com/p/skia/">Skia</ulink> and
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130 | <ulink url="http://www.valgrind.org">Valgrind</ulink>.
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131 | </para>
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132 |
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133 | <note>
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134 | <para>
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135 | There is a reciprocal dependency with the
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136 | <application>Gtk 2</application>, <application>Librsvg</application> and
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137 | <application>Poppler</application> packages. As the test suite is
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138 | currently unreliable, it is best to simply skip it at this time.
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139 | </para>
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140 | </note>
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141 |
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142 | <para condition="html" role="usernotes">
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143 | User Notes: <ulink url="&blfs-wiki;/cairo"/>
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144 | </para>
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145 | </sect2>
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146 |
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147 | <sect2 role="installation">
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148 | <title>Installation of Cairo</title>
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149 |
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150 | <para>
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151 | Install <application>Cairo</application> by running the following
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152 | commands:
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153 | </para>
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154 |
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155 | <screen><userinput>sed -i 's#check-plt.sh ##' src/Makefile.in &&
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156 | patch -p1 < ../cairo-&cairo-version;-expose-snapshot-1.patch &&
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157 | ./configure --prefix=/usr --disable-static --enable-tee --enable-xcb &&
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158 | make</userinput></screen>
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159 |
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160 | <para>
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161 | Note that the tests take a long time to run, many of them fail for unknown
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162 | reasons and it has been known to cause a kernel panic. <!-- I suspect that
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163 | the panic was due to a bug in the xf86-video-ati driver but I can't be
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164 | sure as the system locked up hard. cairo-1.12.0 has exposed bugs in other
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165 | parts of Xorg https://bugs.freedesktop.org/show_bug.cgi?id=47266 Andy
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166 | 2012-04-22 --> If you want to run the tests issue:
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167 | <command>make -k check</command>.
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168 | </para>
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169 |
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170 | <para>
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171 | Now, as the <systemitem class="username">root</systemitem> user:
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172 | </para>
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173 |
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174 | <screen role="root"><userinput>make install</userinput></screen>
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175 | </sect2>
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176 |
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177 | <sect2 role="commands">
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178 | <title>Command Explanations</title>
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179 |
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180 | <para>
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181 | <command>sed -i 's#check-plt.sh ##' src/Makefile.in</command>: This sed
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182 | disables running a test which is known to fail with the expose-snapshot
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183 | patch.
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184 | </para>
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185 |
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186 | <para>
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187 | <command>patch -p1 <
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188 | ../cairo-&cairo-version;-expose-snapshot-1.patch</command>: This patch
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189 | exposes some private functions that <application>Firefox</application>
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190 | relies on. Applying this patch allows <application>Firefox</application>
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191 | to use the system installed <application>Cairo</application>.
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192 | </para>
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193 |
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194 | <para>
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195 | <option>--enable-tee</option>: This is used by
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196 | <application>Firefox</application>. If you don't enable the Cairo's tee
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197 | surface backend you won't be able to build
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198 | <application>Firefox</application> with
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199 | <option>--enable-system-cairo</option>.
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200 | </para>
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201 |
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202 | <para>
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203 | <option>--enable-gl</option>: Enable <application>Cairo</application>'s
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204 | OpenGL backend.
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205 | </para>
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206 |
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207 | <para>
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208 | <option>--enable-xcb</option>: Enable <application>Cairo</application>'s
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209 | libxcb backend.
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210 | </para>
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211 |
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212 | <para>
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213 | <option>--enable-vg</option>: Enable the <application>Cairo</application>
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214 | <ulink url="http://en.wikipedia.org/wiki/OpenVG">OpenVG</ulink> backend
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215 | (requires <xref linkend="mesalib"/> installed, configured with
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216 | --enable-gallium-egl and --enable-openvg).
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217 | </para>
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218 |
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219 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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220 | href="../../xincludes/static-libraries.xml"/>
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221 |
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222 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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223 | href="../../xincludes/gtk-doc-rebuild.xml"/>
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224 | </sect2>
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225 |
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226 | <sect2 role="content">
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227 | <title>Contents</title>
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228 |
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229 | <segmentedlist>
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230 | <segtitle>Installed Programs</segtitle>
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231 | <segtitle>Installed Libraries</segtitle>
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232 | <segtitle>Installed Directories</segtitle>
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233 |
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234 | <seglistitem>
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235 | <seg>
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236 | cairo-sphinx and cairo-trace
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237 | </seg>
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238 | <seg>
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239 | libcairo.so, libcairo-gobject.so and
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240 | libcairo-script-interpreter.so
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241 | </seg>
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242 | <seg>
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243 | /usr/include/cairo, /usr/lib/cairo and
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244 | /usr/share/gtk-doc/html/cairo
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245 | </seg>
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246 | </seglistitem>
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247 | </segmentedlist>
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248 |
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249 | <variablelist>
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250 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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251 | <?dbfo list-presentation="list"?>
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252 | <?dbhtml list-presentation="table"?>
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253 |
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254 | <varlistentry id="cairo-trace">
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255 | <term><command>cairo-trace</command></term>
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256 | <listitem>
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257 | <para>
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258 | generates a log of all calls made by an application to
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259 | <application>Cairo</application>.
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260 | </para>
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261 | <indexterm zone="cairo cairo-trace">
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262 | <primary sortas="b-cairo-trace">cairo-trace</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="libcairo">
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268 | <term><filename class='libraryfile'>libcairo.so</filename></term>
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269 | <listitem>
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270 | <para>
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271 | contains the 2D graphics functions required for rendering to the
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272 | various output targets.
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273 | </para>
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274 | <indexterm zone="cairo libcairo">
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275 | <primary sortas="c-libcairo">libcairo.so</primary>
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276 | </indexterm>
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277 | </listitem>
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278 | </varlistentry>
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279 |
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280 | <varlistentry id="libcairo-gobject">
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281 | <term><filename class='libraryfile'>libcairo-gobject.so</filename></term>
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282 | <listitem>
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283 | <para>
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284 | contains functions that integrate
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285 | <application>Cairo</application> with <xref linkend="glib2"/>'s
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286 | GObject type system.
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287 | </para>
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288 | <indexterm zone="cairo libcairo-gobject">
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289 | <primary sortas="c-libcairo-gobject">libcairo-gobject.so</primary>
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290 | </indexterm>
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291 | </listitem>
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292 | </varlistentry>
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293 |
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294 | <varlistentry id="libcairo-script-interpreter">
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295 | <term><filename class='libraryfile'>libcairo-script-interpreter.so</filename></term>
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296 | <listitem>
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297 | <para>
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298 | contains the script interpreter functions for executing and
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299 | manipulating <application>Cairo</application> execution traces.
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300 | </para>
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301 | <indexterm zone="cairo libcairo-script-interpreter">
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302 | <primary sortas="c-libcairo-script-interpreter">libcairo-script-interpreter.so</primary>
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303 | </indexterm>
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304 | </listitem>
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305 | </varlistentry>
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306 | </variablelist>
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307 | </sect2>
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308 | </sect1>
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