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112 lines
3.3 KiB
HTML
112 lines
3.3 KiB
HTML
<!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>Set the clipping rectangle</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.imagesetclip" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagesetclip</h1>
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<p class="verinfo">(PHP 7 >= 7.2.0)</p><p class="refpurpose"><span class="refname">imagesetclip</span> — <span class="dc-title">Set the clipping rectangle</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imagesetclip-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>imagesetclip</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$im</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$x1</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$y1</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$x2</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$y2</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>imagesetclip()</strong></span> sets the current clipping rectangle, i.e.
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the area beyond which no pixels will be drawn.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imagesetclip-parameters">
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<h3 class="title">参数</h3>
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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">x1</code></dt>
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<dd>
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<p class="para">
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The x-coordinate of the upper left corner.
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</p>
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</dd>
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<dt>
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<code class="parameter">y1</code></dt>
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<dd>
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<p class="para">
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The y-coordinate of the upper left corner.
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</p>
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</dd>
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<dt>
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<code class="parameter">x2</code></dt>
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<dd>
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<p class="para">
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The x-coordinate of the lower right corner.
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</p>
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</dd>
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<dt>
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<code class="parameter">y2</code></dt>
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<dd>
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<p class="para">
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The y-coordinate of the lower right corner.
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.imagesetclip-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 seealso" id="refsect1-function.imagesetclip-seealso">
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<h3 class="title">参见</h3>
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="imagegetclip.html" class="function" rel="rdfs-seeAlso">imagegetclip()</a> - Get the clipping rectangle</span></li>
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</ul>
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</div>
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</div></div></div></body></html> |