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imageellipse.xml
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imageellipse.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.imageellipse" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>imageellipse</refname>
<refpurpose>画椭圆</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>imageellipse</methodname>
<methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
<methodparam><type>int</type><parameter>center_x</parameter></methodparam>
<methodparam><type>int</type><parameter>center_y</parameter></methodparam>
<methodparam><type>int</type><parameter>width</parameter></methodparam>
<methodparam><type>int</type><parameter>height</parameter></methodparam>
<methodparam><type>int</type><parameter>color</parameter></methodparam>
</methodsynopsis>
<para>
绘制以指定坐标为中心的椭圆。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&gd.image.description;
<varlistentry>
<term><parameter>center_x</parameter></term>
<listitem>
<para>
中间的 x 坐标。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>center_y</parameter></term>
<listitem>
<para>
中间的 y 坐标。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>width</parameter></term>
<listitem>
<para>
椭圆的宽度。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>height</parameter></term>
<listitem>
<para>
椭圆的高度。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>color</parameter></term>
<listitem>
<para>
椭圆的颜色。&gd.identifier.color;
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&gd.changelog.image-param;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>imageellipse</function> 示例</title>
<programlisting role="php">
<![CDATA[
<?php
// 新建一个空白图像
$image = imagecreatetruecolor(400, 300);
// 填充背景色
$bg = imagecolorallocate($image, 0, 0, 0);
// 选择椭圆的颜色
$col_ellipse = imagecolorallocate($image, 255, 255, 255);
// 画一个椭圆
imageellipse($image, 200, 150, 300, 200, $col_ellipse);
// 输出图像
header("Content-type: image/png");
imagepng($image);
?>
]]>
</programlisting>
&example.outputs.similar;
<mediaobject>
<alt>示例输出:imageellipse()</alt>
<imageobject>
<imagedata fileref="en/reference/image/figures/imageellipse.png"/>
</imageobject>
</mediaobject>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
<note>
<para>
<function>imageellipse</function> 忽略 <function>imagesetthickness</function>。
</para>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><function>imagefilledellipse</function></member>
<member><function>imagearc</function></member>
</simplelist>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->