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33 lines
1.8 KiB
HTML
33 lines
1.8 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>给指定调色板索引设定颜色</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.imagecolorset" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagecolorset</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagecolorset</span> — <span class="dc-title">给指定调色板索引设定颜色</span></p>
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</div>
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<div class="refsect1 unknown-seealsp" id="refsect1-function.imagecolorset-unknown-seealsp">
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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>imagecolorset</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$red</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$green</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$blue</code></span>
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) : <span class="type"><span class="type void">void</span></span></div>
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<p class="para rdfs-comment">
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本函数将调色板中指定的索引设定为指定的颜色。对于在调色板图像中创建类似区域填充（flood-fill）的效果很有用，免去了真的去填充的开销。
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</p>
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<p class="para">
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参见 <span class="function"><a href="imagecolorat.html" class="function">imagecolorat()</a></span>。
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</p>
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</div>
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</div></div></div></body></html> |