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docs/php/imagesetthickness.html
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docs/php/imagesetthickness.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>设定画线的宽度</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.imagesetthickness" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagesetthickness</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagesetthickness</span> — <span class="dc-title">设定画线的宽度</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imagesetthickness-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>imagesetthickness</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$thickness</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>imagesetthickness()</strong></span>
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把画矩形，多边形，椭圆等等时所用的线宽设为
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<code class="parameter">thickness</code> 个像素。成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数需要 GD 2.0.1 或更高版本(推荐 2.0.28 及更高版本)。</span></p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imagesetthickness-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">image</code></dt>
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<dd>
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<p class="para">由图象创建函数(例如<span class="function"><a href="imagecreatetruecolor.html" class="function">imagecreatetruecolor()</a></span>)返回的图象资源。</p></dd>
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<dt>
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<code class="parameter">thickness</code></dt>
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<dd>
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<p class="para">
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Thickness, in pixels.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.imagesetthickness-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.imagesetthickness-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-3738">
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<p><strong>Example #1 <span class="function"><strong>imagesetthickness()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a 200x100 image<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$white </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0xFF</span><span style="color: #007700">, </span><span style="color: #0000BB">0xFF</span><span style="color: #007700">, </span><span style="color: #0000BB">0xFF</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$black </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0x00</span><span style="color: #007700">, </span><span style="color: #0000BB">0x00</span><span style="color: #007700">, </span><span style="color: #0000BB">0x00</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Set the background to be white<br /></span><span style="color: #0000BB">imagefilledrectangle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">299</span><span style="color: #007700">, </span><span style="color: #0000BB">99</span><span style="color: #007700">, </span><span style="color: #0000BB">$white</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Set the line thickness to 5<br /></span><span style="color: #0000BB">imagesetthickness</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Draw the rectangle<br /></span><span style="color: #0000BB">imagerectangle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">185</span><span style="color: #007700">, </span><span style="color: #0000BB">85</span><span style="color: #007700">, </span><span style="color: #0000BB">$black</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output image to the browser<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-Type: image/png'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">imagepng</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="mediaobject">
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<div class="imageobject">
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<img src="images/21009b70229598c6a80eef8b45bf282b-imagesetthickness.png" alt="Output of example : imagesetthickness()" width="200" height="100" />
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</div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.imagesetthickness-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数需要 GD 2.0.1 或更高版本(推荐 2.0.28 及更高版本)。</span></p></blockquote>
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</div>
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</div></div></div></body></html>
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