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<div id="function.imagesetstyle" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">imagesetstyle</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">imagesetstyle</span> &mdash; <span class="dc-title">设定线条的样式</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.imagesetstyle-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>imagesetstyle</strong></span>(<span class="methodparam"><span class="type"><a href="class.gdimage.php" class="type GdImage">GdImage</a></span> <code class="parameter">$image</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$style</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>imagesetstyle()</strong></span> 设定所有线条函数（例如 <span class="function"><a href="function.imageline.php" class="function">imageline()</a></span>
   和 <span class="function"><a href="function.imagepolygon.php" class="function">imagepolygon()</a></span>）在使用特殊颜色 <strong><code><a href="image.constants.php#constant.img-color-styled">IMG_COLOR_STYLED</a></code></strong>
   或者颜色为 <strong><code><a href="image.constants.php#constant.img-color-styledbrushed">IMG_COLOR_STYLEDBRUSHED</a></code></strong> 绘制图像线条的样式。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.imagesetstyle-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    <dt>
<code class="parameter">image</code></dt><dd><p class="para">由图象创建函数(例如<span class="function"><a href="function.imagecreatetruecolor.php" class="function">imagecreatetruecolor()</a></span>)返回的 
<span class="classname"><a href="class.gdimage.php" class="classname">GdImage</a></span> 对象。</p></dd>
    
     <dt><code class="parameter">style</code></dt>
     <dd>
      <p class="para">
       像素颜色组成的数组。可以通过常量 <strong><code><a href="image.constants.php#constant.img-color-transparent">IMG_COLOR_TRANSPARENT</a></code></strong> 来添加透明像素。注意
       <code class="parameter">style</code> 不能是空 <span class="type"><a href="language.types.array.php" class="type array">array</a></span>。
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.imagesetstyle-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>， 或者在失败时返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.imagesetstyle-examples">
  <h3 class="title">示例</h3>
  <p class="para">
   下面的示例脚本在画布上从左上角到右下角画一行虚线：
   <div class="example" id="example-1">
    <p><strong>示例 #1 <span class="function"><strong>imagesetstyle()</strong></span> 例子</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?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">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>以上示例的输出类似于：</p></div>
    <div class="mediaobject">
     
     <div class="imageobject">
      <img src="images/21009b70229598c6a80eef8b45bf282b-imagesetstyle.jpg" alt="Output of example : imagesetstyle()" width="100" height="100" />
     </div>
    </div>
   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.imagesetstyle-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li><span class="function"><a href="function.imagesetbrush.php" class="function" rel="rdfs-seeAlso">imagesetbrush()</a> - 为线条设置笔刷图像</span></li>
   <li><span class="function"><a href="function.imageline.php" class="function" rel="rdfs-seeAlso">imageline()</a> - 绘制直线</span></li>
  </ul>
 </div>

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