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<div id="imagick.levelimage" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::levelImage</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::levelImage</span> &mdash; <span class="dc-title">Bir görüntünün seviyelerini ayarlar</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.levelimage-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span>
   <span class="methodname"><strong>Imagick::levelImage</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$siyah_nokta</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$gamma</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$beyaz_nokta</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$kanal</code><span class="initializer"> = Imagick::CHANNEL_DEFAULT</span></span><br>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Siyah ve beyaz noktalarla belirtilen kullanılabilir parçacık aralığının
   tamamına karşı düşen renkleri oranlayarak bir görüntünün seviyelerini
   ayarlar. Belirtilen bağımsız değişkenler siyah, gri ve beyaz noktaları belirtir.
   <code class="parameter">siyah_nokta</code> görüntünün kabul edilebilir en koyu
   rengini belirtir. Bu noktadan daha koyu renklere sıfır atanır.
   <code class="parameter">gamma</code> ile görüntüye uygulanacak gamma düzeltmesi
   belirtilir. <code class="parameter">beyaz_nokta</code> görüntünün kabul edilebilir en
   açık rengini belirtir. Bu noktadan daha açık renklere azami parçacık değeri
   atanır.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.levelimage-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">siyah_nokta</code></dt>
     <dd>
      <p class="para">
       Görüntünün en koyu rengi.
      </p>
     </dd>
    
    
     <dt><code class="parameter">gamma</code></dt>
     <dd>
      <p class="para">
       Gamma düzeltmesi.
      </p>
     </dd>
    
    
     <dt><code class="parameter">beyaz_nokta</code></dt>
     <dd>
      <p class="para">
       Görüntünün en açık rengi.
      </p>
     </dd>
    
    
     <dt><code class="parameter">kanal</code></dt>
     <dd>
      <p class="para">
       Normalde <a href="imagick.constants.php#imagick.constants.channel" class="link">kanal türü
       sabitleri</a>nden biri, ancak bitsel işleçler kullanılarak birden
       fazla kanal belirtilebilir.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.levelimage-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   Başarı durumunda <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> döner.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-imagick.levelimage-errors">
  <h3 class="title">Hatalar/İstisnalar</h3>
  <p class="para">
   Hata durumunda bir
<span class="classname"><a href="class.imagickexception.php" class="classname">ImagickException</a></span>
istisnası oluşur.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-imagick.levelimage-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
    <div class="example" id="example-1">
      <p><strong>Örnek 1 - <span class="function"><strong>Imagick::levelImage()</strong></span> örneği</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">levelImage</span><span style="color: #007700">(</span><span style="color: #0000BB">$blackPoint</span><span style="color: #007700">, </span><span style="color: #0000BB">$gamma</span><span style="color: #007700">, </span><span style="color: #0000BB">$whitePoint</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$imagick </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Imagick</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newPseudoimage</span><span style="color: #007700">(</span><span style="color: #0000BB">500</span><span style="color: #007700">, </span><span style="color: #0000BB">500</span><span style="color: #007700">, </span><span style="color: #DD0000">'gradient:black-white'</span><span style="color: #007700">);<br /><br />    </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setFormat</span><span style="color: #007700">(</span><span style="color: #DD0000">'png'</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">$quantum </span><span style="color: #007700">= </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getQuantum</span><span style="color: #007700">();<br />    </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">levelImage</span><span style="color: #007700">(</span><span style="color: #0000BB">$blackPoint </span><span style="color: #007700">/ </span><span style="color: #0000BB">100 </span><span style="color: #007700">, </span><span style="color: #0000BB">$gamma</span><span style="color: #007700">, </span><span style="color: #0000BB">$quantum </span><span style="color: #007700">* </span><span style="color: #0000BB">$whitePoint </span><span style="color: #007700">/ </span><span style="color: #0000BB">100</span><span style="color: #007700">);<br /><br />    </span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/png"</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">$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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