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48 lines
2.9 KiB
HTML
48 lines
2.9 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>拷贝并合并图像的一部分</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.imagecopymerge" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagecopymerge</h1>
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<p class="verinfo">(PHP 4 >= 4.0.1, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagecopymerge</span> — <span class="dc-title">拷贝并合并图像的一部分</span></p>
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</div>
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<div class="refsect1 unknown-unknown-seealsq" id="refsect1-function.imagecopymerge-unknown-unknown-seealsq">
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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>imagecopymerge</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$dst_im</code></span>
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, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$src_im</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dst_x</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dst_y</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$src_x</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$src_y</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$src_w</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$src_h</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$pct</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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将 <code class="parameter">src_im</code> 图像中坐标从
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<code class="parameter">src_x</code>，<code class="parameter">src_y </code>
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开始，宽度为 <code class="parameter">src_w</code>，高度为 <code class="parameter">src_h</code>
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的一部分拷贝到
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<code class="parameter">dst_im</code> 图像中坐标为
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<code class="parameter">dst_x</code> 和 <code class="parameter">dst_y</code>
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的位置上。两图像将根据 <code class="parameter">pct</code>
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来决定合并程度，其值范围从 0 到 100。当 <code class="parameter">pct</code> = 0
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时，实际上什么也没做，当为 100 时对于调色板图像本函数和
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<span class="function"><a href="imagecopy.html" class="function">imagecopy()</a></span> 完全一样，它对真彩色图像实现了 alpha 透明。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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本函数是 PHP 4.0.6 新加的。
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</p>
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</p></blockquote>
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</div>
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</div></div></div></body></html> |