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31 lines
1.7 KiB
HTML
31 lines
1.7 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>对 GD 图像应用 gamma 修正</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.imagegammacorrect" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagegammacorrect</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagegammacorrect</span> — <span class="dc-title">对 GD 图像应用 gamma 修正</span></p>
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</div>
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<div class="refsect1 unknown-changeloh" id="refsect1-function.imagegammacorrect-unknown-changeloh">
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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>imagegammacorrect</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
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, <span class="methodparam"><span class="type">float</span> <code class="parameter">$inputgamma</code></span>
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, <span class="methodparam"><span class="type">float</span> <code class="parameter">$outputgamma</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>imagegammacorrect()</strong></span> 函数用给定的输入 gamma 值
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<code class="parameter">inputgamma</code> 和输出 gamma 值
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<code class="parameter">outputgamma</code> 对一幅 GD
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图像流（<code class="parameter">image</code>）应用 gamma 修正。
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</p>
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</div>
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</div></div></div></body></html> |