<?xml version="1.0" encoding="utf-8"?>

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

<refnamediv>

<refname>imagesetthickness</refname>

<refpurpose>線描画用の線幅を設定する</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>true</type><methodname>imagesetthickness</methodname>

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

<methodparam><type>int</type><parameter>thickness</parameter></methodparam>

</methodsynopsis>

<para>

<function>imagesetthickness</function> は、長方形、多角形、弧などを描画する際の線幅を

<parameter>thickness</parameter> ピクセルに設定します。

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

&gd.image.description;

<varlistentry>

<term><parameter>thickness</parameter></term>

<listitem>

<para>

ピクセル単位の線幅。

</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>imagesetthickness</function> の例</title>

<programlisting role="php">

<![CDATA[

<?php

// 200x100 の画像を作成します

$im = imagecreatetruecolor(200, 100);

$white = imagecolorallocate($im, 0xFF, 0xFF, 0xFF);

$black = imagecolorallocate($im, 0x00, 0x00, 0x00);

// 背景を白に設定します

imagefilledrectangle($im, 0, 0, 299, 99, $white);

// 線幅を 5 に設定します

imagesetthickness($im, 5);

// 矩形を描画します

imagerectangle($im, 14, 14, 185, 85, $black);

// 画像をブラウザに出力します

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

imagepng($im);

?>

]]>

</programlisting>

&example.outputs.similar;

<mediaobject>

<alt>出力例 : imagesetthickness()</alt>

<imageobject>

<imagedata fileref="en/reference/image/figures/imagesetthickness.png"/>

</imageobject>

</mediaobject>

</example>

</para>

</refsect1>

</refentry>

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