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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 294366 $ -->
<phpdoc:classref xml:id="class.cairofilter" xmlns:phpdoc="http://php.net/ns/phpdoc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
<title>The CairoFilter class</title>
<titleabbrev>CairoFilter</titleabbrev>
<partintro>
<!-- {{{ CairoFilter intro -->
<section xml:id="cairofilter.intro">
&reftitle.intro;
<para>
A <classname>CairoFilter</classname> is used to indicate what filtering should be applied when reading pixel values
from patterns. See <methodname>CairoPattern::setSource</methodname> or <function>cairo_pattern_set_source</function>
for indicating the desired filter to be used with a particular pattern.
</para>
</section>
<!-- }}} -->
<section xml:id="cairofilter.synopsis">
&reftitle.classsynopsis;
<!-- {{{ Synopsis -->
<classsynopsis>
<ooclass><classname>CairoFilter</classname></ooclass>
<!-- {{{ Class synopsis -->
<classsynopsisinfo>
<ooclass>
<classname>CairoFilter</classname>
</ooclass>
</classsynopsisinfo>
<!-- }}} -->
<classsynopsisinfo role="comment">&Constants;</classsynopsisinfo>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.fast">CairoFilter::FAST</varname>
<initializer>0</initializer>
</fieldsynopsis>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.good">CairoFilter::GOOD</varname>
<initializer>1</initializer>
</fieldsynopsis>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.best">CairoFilter::BEST</varname>
<initializer>2</initializer>
</fieldsynopsis>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.nearest">CairoFilter::NEAREST</varname>
<initializer>3</initializer>
</fieldsynopsis>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.bilinear">CairoFilter::BILINEAR</varname>
<initializer>4</initializer>
</fieldsynopsis>
<fieldsynopsis>
<modifier>const</modifier>
<type>integer</type>
<varname linkend="cairofilter.constants.gaussian">CairoFilter::GAUSSIAN</varname>
<initializer>5</initializer>
</fieldsynopsis>
</classsynopsis>
<!-- }}} -->
</section>
<!-- {{{ CairoFilter constants -->
<section xml:id="cairofilter.constants">
&reftitle.constants;
<section xml:id="cairofilter.constants.types">
<title>CairoFilter Node Types</title>
<variablelist>
<varlistentry xml:id="cairofilter.constants.fast">
<term><constant>CairoFilter::FAST</constant></term>
<listitem>
<para> A high-performance filter, with quality similar to <constant>CairoFilter::NEAREST</constant></para>
</listitem>
</varlistentry>
<varlistentry xml:id="cairofilter.constants.good">
<term><constant>CairoFilter::GOOD</constant></term>
<listitem>
<para>A reasonable-performance filter, with quality similar to <constant>CairoFilter::BILINEAR</constant></para>
</listitem>
</varlistentry>
<varlistentry xml:id="cairofilter.constants.best">
<term><constant>CairoFilter::BEST</constant></term>
<listitem>
<para>The highest-quality available, performance may not be suitable for interactive use.</para>
</listitem>
</varlistentry>
<varlistentry xml:id="cairofilter.constants.nearest">
<term><constant>CairoFilter::NEAREST</constant></term>
<listitem>
<para>Nearest-neighbor filtering </para>
</listitem>
</varlistentry>
<varlistentry xml:id="cairofilter.constants.bilinear">
<term><constant>CairoFilter::BILINEAR</constant></term>
<listitem>
<para>Linear interpolation in two dimensions </para>
</listitem>
</varlistentry>
<varlistentry xml:id="cairofilter.constants.gaussian">
<term><constant>CairoFilter::GAUSSIAN</constant></term>
<listitem>
<para>This filter value is currently unimplemented, and should not be used in current code. </para>
</listitem>
</varlistentry>
</variablelist>
</section>
</section>
<!-- }}} -->
</partintro>
</phpdoc:classref>
<!-- Keep this comment at the end of the file
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mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
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indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
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sgml-local-ecat-files:nil
End:
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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