mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-27 14:28:56 +00:00
e123b98532
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@346896 c90b9560-bf6c-de11-be94-00142212c4b1
140 lines
4.3 KiB
XML
140 lines
4.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<phpdoc:classref xml:id="class.cairoformat" 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">
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<title>The CairoFormat class</title>
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<titleabbrev>CairoFormat</titleabbrev>
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<partintro>
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<!-- {{{ CairoFormat intro -->
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<section xml:id="cairoformat.intro">
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&reftitle.intro;
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<para>
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CairoFormat enums are used to identify the memory format of the image data.
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</para>
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</section>
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<!-- }}} -->
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<section xml:id="cairoformat.synopsis">
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&reftitle.classsynopsis;
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<!-- {{{ Synopsis -->
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<classsynopsis>
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<ooclass><classname>CairoFormat</classname></ooclass>
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<!-- {{{ Class synopsis -->
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<classsynopsisinfo>
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<ooclass>
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<classname>CairoFormat</classname>
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</ooclass>
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</classsynopsisinfo>
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<!-- }}} -->
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<classsynopsisinfo role="comment">&Constants;</classsynopsisinfo>
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<fieldsynopsis>
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<modifier>const</modifier>
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<type>integer</type>
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<varname linkend="cairoformat.constants.argb32">CairoFormat::ARGB32</varname>
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<initializer>0</initializer>
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</fieldsynopsis>
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<fieldsynopsis>
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<modifier>const</modifier>
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<type>integer</type>
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<varname linkend="cairoformat.constants.rgb24">CairoFormat::RGB24</varname>
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<initializer>1</initializer>
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</fieldsynopsis>
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<fieldsynopsis>
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<modifier>const</modifier>
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<type>integer</type>
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<varname linkend="cairoformat.constants.a8">CairoFormat::A8</varname>
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<initializer>2</initializer>
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</fieldsynopsis>
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<fieldsynopsis>
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<modifier>const</modifier>
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<type>integer</type>
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<varname linkend="cairoformat.constants.a1">CairoFormat::A1</varname>
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<initializer>3</initializer>
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</fieldsynopsis>
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<classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.cairoformat')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[1])" />
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</classsynopsis>
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<!-- }}} -->
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</section>
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<!-- {{{ CairoFormat constants -->
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<section xml:id="cairoformat.constants">
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&reftitle.constants;
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<variablelist>
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<varlistentry xml:id="cairoformat.constants.argb32">
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<term><constant>CairoFormat::ARGB32</constant></term>
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<listitem>
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<para>Each pixel is a 32-bit quantity, with alpha in the upper 8 bits, then red, then green, then blue.
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The 32-bit quantities are stored native-endian.
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Pre-multiplied alpha is used. (That is, 50% transparent red is 0x80800000, not 0x80ff0000.)
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="cairoformat.constants.rgb24">
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<term><constant>CairoFormat::RGB24</constant></term>
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<listitem>
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<para> Each pixel is a 32-bit quantity, with the upper 8 bits unused.
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Red, Green, and Blue are stored in the remaining 24 bits in that order.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="cairoformat.constants.a8">
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<term><constant>CairoFormat::A8</constant></term>
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<listitem>
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<para>Each pixel is a 8-bit quantity holding an alpha value.</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="cairoformat.constants.a1">
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<term><constant>CairoFormat::A1</constant></term>
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<listitem>
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<para>Each pixel is a 1-bit quantity holding an alpha value.
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Pixels are packed together into 32-bit quantities.
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The ordering of the bits matches the endianness of the platform.
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On a big-endian machine, the first pixel is in the uppermost bit,
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on a little-endian machine the first pixel is in the least-significant bit.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</section>
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<!-- }}} -->
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</partintro>
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&reference.cairo.entities.cairoformat;
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</phpdoc:classref>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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