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<div id="imagick.modulateimage" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::modulateImage</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::modulateImage</span> &mdash; <span class="dc-title">Control the brightness, saturation, and hue</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.modulateimage-description">
  <h3 class="title">Descrizione</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Imagick::modulateImage</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$brightness</code></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$saturation</code></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$hue</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Lets you control the brightness, saturation, and hue of an image.  Hue
   is the percentage of absolute rotation from the current position.  For
   example 50 results in a counter-clockwise rotation of 90 degrees, 150
   results in a clockwise rotation of 90 degrees, with 0 and 200 both
   resulting in a rotation of 180 degrees.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.modulateimage-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">brightness</code></dt>
     <dd>
      <p class="para">
      </p>
     </dd>
    
    
     <dt><code class="parameter">saturation</code></dt>
     <dd>
      <p class="para">
      </p>
     </dd>
    
    
     <dt><code class="parameter">hue</code></dt>
     <dd>
      <p class="para">
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.modulateimage-returnvalues">
  <h3 class="title">Valori restituiti</h3>
  <p class="para">
   Restituisce <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> in caso di successo.
  </p>
 </div>




 <div class="refsect1 examples" id="refsect1-imagick.modulateimage-examples">
  <h3 class="title">Esempi</h3>
  <p class="para">
    <div class="example" id="example-2868">
      <p><strong>Example #1  <span class="function"><strong>Imagick::modulateImage()</strong></span></strong></p>
      <div class="example-contents">
      <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">modulateImage</span><span style="color: #007700">(</span><span style="color: #0000BB">$imagePath</span><span style="color: #007700">, </span><span style="color: #0000BB">$hue</span><span style="color: #007700">, </span><span style="color: #0000BB">$brightness</span><span style="color: #007700">, </span><span style="color: #0000BB">$saturation</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$imagick </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Imagick</span><span style="color: #007700">(</span><span style="color: #0000BB">realpath</span><span style="color: #007700">(</span><span style="color: #0000BB">$imagePath</span><span style="color: #007700">));<br />    </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">modulateImage</span><span style="color: #007700">(</span><span style="color: #0000BB">$brightness</span><span style="color: #007700">, </span><span style="color: #0000BB">$saturation</span><span style="color: #007700">, </span><span style="color: #0000BB">$hue</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/jpg"</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getImageBlob</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
      </div>

    </div>
  </p>
 </div>


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