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<div id="imagick.functionimage" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::functionImage</h1>
  <p class="verinfo">(PECL imagick 2 &gt;= 2.3.0, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::functionImage</span> &mdash; <span class="dc-title">Applies a function on the image</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.functionimage-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Imagick::functionImage</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$function</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$arguments</code></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"> = Imagick::CHANNEL_DEFAULT</span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Applies an arithmetic, relational, or logical expression to a pseudo image.
  </p>
  <p class="para">
   See also <a href="http://www.imagemagick.org/Usage/transform/#function" class="link external">&raquo;&nbsp;ImageMagick
   v6 Examples - Image Transformations — Function, Multi-Argument Evaluate</a>
  </p>
  <p class="para">
   Bu yöntem, derleme sırasında
ImageMagick kütüphanesinin 6.4.9 veya sonraki bir sürümü kuruluysa
kullanılabilir.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.functionimage-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">function</code></dt>
     <dd>
      <p class="para">
       Refer to this list of <a href="imagick.constants.php#imagick.constants.function" class="link">function constants</a>
      </p>
     </dd>
    
    
     <dt><code class="parameter">arguments</code></dt>
     <dd>
      <p class="para">
       Array of arguments to pass to this function.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.functionimage-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.functionimage-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.functionimage-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Örnek 1 Create a sinusoidal gradient</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$imagick </span><span style="color: #007700">= new </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newPseudoImage</span><span style="color: #007700">(</span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #DD0000">'gradient:black-white'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$arguments </span><span style="color: #007700">= array(</span><span style="color: #0000BB">3</span><span style="color: #007700">, -</span><span style="color: #0000BB">90</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">functionImage</span><span style="color: #007700">(</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">FUNCTION_SINUSOID</span><span style="color: #007700">, </span><span style="color: #0000BB">$arguments</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setImageFormat</span><span style="color: #007700">(</span><span style="color: #DD0000">"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 /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>
Yukarıdaki örnek şuna benzer bir çıktı üretir:</p></div>
    <div class="mediaobject">
     
     <div class="imageobject">
      <img src="images/c0d23d2d6769e53e24a1b3136c064577-functionImage_sinusoidal.png" alt="Output of create a sinusoidal gradient" width="200" height="200" />
     </div>
    </div>
   </div>
   
   <div class="example" id="example-2">
    <p><strong>Örnek 2 Create a gradient from the polynomial (4x^2 - 4x + 1) </strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$imagick </span><span style="color: #007700">= new </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newPseudoImage</span><span style="color: #007700">(</span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #DD0000">'gradient:black-white'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$arguments </span><span style="color: #007700">= array(</span><span style="color: #0000BB">4</span><span style="color: #007700">, -</span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">functionImage</span><span style="color: #007700">(</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">FUNCTION_POLYNOMIAL</span><span style="color: #007700">, </span><span style="color: #0000BB">$arguments</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setimageformat</span><span style="color: #007700">(</span><span style="color: #DD0000">"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 /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>
Yukarıdaki örnek şuna benzer bir çıktı üretir:</p></div>
    <div class="mediaobject">
     
     <div class="imageobject">
      <img src="images/c0d23d2d6769e53e24a1b3136c064577-functionImage_polynomial.png" alt="Output of create a polynomial gradient" width="200" height="200" />
     </div>
    </div>
   </div>

   <div class="example" id="example-3">
    <p><strong>Örnek 3 
     Create a complex gradient from the
     polynomial (4x^2 - 4x^2 + 1) modulated by a sinusoidal gradient
    </strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$imagick1 </span><span style="color: #007700">= new </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$imagick1</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newPseudoImage</span><span style="color: #007700">(</span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #DD0000">'gradient:black-white'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$arguments </span><span style="color: #007700">= array(</span><span style="color: #0000BB">9</span><span style="color: #007700">, -</span><span style="color: #0000BB">90</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick1</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">functionImage</span><span style="color: #007700">(</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">FUNCTION_SINUSOID</span><span style="color: #007700">, </span><span style="color: #0000BB">$arguments</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$imagick2 </span><span style="color: #007700">= new </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$imagick2</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newPseudoImage</span><span style="color: #007700">(</span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #0000BB">200</span><span style="color: #007700">, </span><span style="color: #DD0000">'gradient:black-white'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$arguments </span><span style="color: #007700">= array(</span><span style="color: #0000BB">0.5</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick2</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">functionImage</span><span style="color: #007700">(</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">FUNCTION_SINUSOID</span><span style="color: #007700">, </span><span style="color: #0000BB">$arguments</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick1</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">compositeimage</span><span style="color: #007700">(</span><span style="color: #0000BB">$imagick2</span><span style="color: #007700">, </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">COMPOSITE_MULTIPLY</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: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$imagick1</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setImageFormat</span><span style="color: #007700">(</span><span style="color: #DD0000">"png"</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$imagick1</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getImageBlob</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>
Yukarıdaki örnek şuna benzer bir çıktı üretir:</p></div>
    <div class="mediaobject">
     
     <div class="imageobject">
      <img src="images/c0d23d2d6769e53e24a1b3136c064577-functionImage_multiplied.png" alt="Output of create complex gradient" width="200" height="200" />
     </div>
    </div>
   </div>

  </p>
 </div>


</div><?php manual_footer($setup); ?>