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<!-- CREDITS: mowangjuanzi, Luffy -->

<refentry xml:id="function.imagerectangle" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>imagerectangle</refname>

<refpurpose>绘制矩形</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>true</type><methodname>imagerectangle</methodname>

<methodparam><type>GdImage</type><parameter>image</parameter></methodparam>

<methodparam><type>int</type><parameter>x1</parameter></methodparam>

<methodparam><type>int</type><parameter>y1</parameter></methodparam>

<methodparam><type>int</type><parameter>x2</parameter></methodparam>

<methodparam><type>int</type><parameter>y2</parameter></methodparam>

<methodparam><type>int</type><parameter>color</parameter></methodparam>

</methodsynopsis>

<para>

<function>imagerectangle</function> 创建从指定坐标开始的矩形。

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

&gd.image.description;

<varlistentry>

<term><parameter>x1</parameter></term>

<listitem>

<para>

左上角 x 坐标。

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>y1</parameter></term>

<listitem>

<para>

左上角 y 坐标。

0, 0 是图像左上角。

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>x2</parameter></term>

<listitem>

<para>

右下角 x 坐标。

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>y2</parameter></term>

<listitem>

<para>

右下角 y 坐标。

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>color</parameter></term>

<listitem>

<para>

&gd.identifier.color;

</para>

</listitem>

</varlistentry>

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

&return.true.always;

</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>imagerectangle</function> 的简单示例</title>

<programlisting role="php">

<![CDATA[

<?php

// 创建 200 x 200 图像

$canvas = imagecreatetruecolor(200, 200);

// 分配颜色

$pink = imagecolorallocate($canvas, 255, 105, 180);

$white = imagecolorallocate($canvas, 255, 255, 255);

$green = imagecolorallocate($canvas, 132, 135, 28);

// 绘制三个矩形，每个矩形都有自己的颜色

imagerectangle($canvas, 50, 50, 150, 150, $pink);

imagerectangle($canvas, 45, 60, 120, 100, $white);

imagerectangle($canvas, 100, 120, 75, 160, $green);

// 输出

header('Content-Type: image/jpeg');

imagejpeg($canvas);

?>

]]>

</programlisting>

&example.outputs.similar;

<mediaobject>

<alt>示例输出：imagerectangle() 的简单示例</alt>

<imageobject>

<imagedata fileref="en/reference/image/figures/imagerectangle.jpg"/>

</imageobject>

</mediaobject>

</example>

</para>

</refsect1>

</refentry>

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