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?>
<div id="gmagick.normalizeimage" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Gmagick::normalizeimage</h1>
  <p class="verinfo">(PECL gmagick &gt;= Unknown)</p><p class="refpurpose"><span class="refname">Gmagick::normalizeimage</span> &mdash; <span class="dc-title">Enhances the contrast of a color image</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-gmagick.normalizeimage-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Gmagick::normalizeimage</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$channel</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.gmagick.php" class="type Gmagick">Gmagick</a></span></div>

  <p class="para rdfs-comment">
   Enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available. 
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-gmagick.normalizeimage-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">channel</code></dt>
     <dd>
      <p class="para">
       Identify which channel to normalize.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-gmagick.normalizeimage-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The <span class="classname"><a href="class.gmagick.php" class="classname">Gmagick</a></span> object.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-gmagick.normalizeimage-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   错误时抛出
<span class="classname"><strong class="classname">GmagickException</strong></span>。
  </p>
 </div>


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