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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>设定画线的风格</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.imagesetstyle" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagesetstyle</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagesetstyle</span> — <span class="dc-title">设定画线的风格</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imagesetstyle-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>imagesetstyle</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$style</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>imagesetstyle()</strong></span> 设定所有画线的函数（例如
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<span class="function"><a href="imageline.html" class="function">imageline()</a></span>
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和 <span class="function"><a href="imagepolygon.html" class="function">imagepolygon()</a></span>）在使用特殊颜色
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<strong><code>IMG_COLOR_STYLED</code></strong> 或者用
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<strong><code>IMG_COLOR_STYLEDBRUSHED</code></strong> 画一行图像时所使用的风格。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imagesetstyle-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">style</code></dt>
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<dd>
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<p class="para">
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像素组成的数组。你可以通过常量 <strong><code>IMG_COLOR_TRANSPARENT</code></strong> 来添加一个透明像素。
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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.imagesetstyle-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.imagesetstyle-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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下面的示例脚本在画布上从左上角到右下角画一行虚线：
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<div class="example" id="example-3737">
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<p><strong>Example #1 <span class="function"><strong>imagesetstyle()</strong></span> 例子</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 />header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-type: image/jpeg"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$w </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$red </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 画一条虚线，5 个红色像素，5 个白色像素 */<br /></span><span style="color: #0000BB">$style </span><span style="color: #007700">= array(</span><span style="color: #0000BB">$red</span><span style="color: #007700">, </span><span style="color: #0000BB">$red</span><span style="color: #007700">, </span><span style="color: #0000BB">$red</span><span style="color: #007700">, </span><span style="color: #0000BB">$red</span><span style="color: #007700">, </span><span style="color: #0000BB">$red</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagesetstyle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$style</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imageline</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">IMG_COLOR_STYLED</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 用 imagesetbrush() 和 imagesetstyle 画一行笑脸 */<br /></span><span style="color: #0000BB">$style </span><span style="color: #007700">= array(</span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$w</span><span style="color: #007700">, </span><span style="color: #0000BB">$red</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagesetstyle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$style</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$brush </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatefrompng</span><span style="color: #007700">(</span><span style="color: #DD0000">"http://www.libpng.org/pub/png/images/smile.happy.png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$w2 </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$brush</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagecolortransparent</span><span style="color: #007700">(</span><span style="color: #0000BB">$brush</span><span style="color: #007700">, </span><span style="color: #0000BB">$w2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagesetbrush</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">$brush</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imageline</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">, </span><span style="color: #0000BB">IMG_COLOR_STYLEDBRUSHED</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">imagejpeg</span><span style="color: #007700">(</span><span style="color: #0000BB">$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-imagesetstyle.jpg" alt="Output of example : imagesetstyle()" width="100" 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 seealso" id="refsect1-function.imagesetstyle-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="imagesetbrush.html" class="function" rel="rdfs-seeAlso">imagesetbrush()</a> - 设定画线用的画笔图像</span></li>
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<li class="member"><span class="function"><a href="imageline.html" class="function" rel="rdfs-seeAlso">imageline()</a> - 画一条线段</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |