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<div id="imagick.getpixeliterator" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::getPixelIterator</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::getPixelIterator</span> &mdash; <span class="dc-title">Returns a MagickPixelIterator</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.getpixeliterator-description">
  <h3 class="title">Опис</h3>
  <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><strong>Imagick::getPixelIterator</strong></span>(): <span class="type"><a href="class.imagickpixeliterator.php" class="type ImagickPixelIterator">ImagickPixelIterator</a></span></div>

  <p class="para rdfs-comment">
   Returns a MagickPixelIterator.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.getpixeliterator-parameters">
  <h3 class="title">Параметри</h3>
  <p class="para">У цієї функції немає
параметрів.</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.getpixeliterator-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   Returns an ImagickPixelIterator on success.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-imagick.getpixeliterator-errors">
  <h3 class="title">Помилки/виключення</h3>
  <p class="para">
   Кидає ImagickException в разі помилки.
  </p>
 </div>




 <div class="refsect1 examples" id="refsect1-imagick.getpixeliterator-examples">
  <h3 class="title">Приклади</h3>
  <p class="para">
    <div class="example" id="example-1">
      <p><strong>Приклад #1  <span class="function"><strong>Imagick::getPixelIterator()</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">getPixelIterator</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">= 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">$imagePath</span><span style="color: #007700">));<br />    </span><span style="color: #0000BB">$imageIterator </span><span style="color: #007700">= </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getPixelIterator</span><span style="color: #007700">();<br /><br />    foreach (</span><span style="color: #0000BB">$imageIterator </span><span style="color: #007700">as </span><span style="color: #0000BB">$row </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$pixels</span><span style="color: #007700">) { </span><span style="color: #FF8000">/* Loop through pixel rows */<br />        </span><span style="color: #007700">foreach (</span><span style="color: #0000BB">$pixels </span><span style="color: #007700">as </span><span style="color: #0000BB">$column </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$pixel</span><span style="color: #007700">) { </span><span style="color: #FF8000">/* Loop through the pixels in the row (columns) */<br />            /** @var $pixel \ImagickPixel */<br />            </span><span style="color: #007700">if (</span><span style="color: #0000BB">$column </span><span style="color: #007700">% </span><span style="color: #0000BB">2</span><span style="color: #007700">) {<br />                </span><span style="color: #0000BB">$pixel</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setColor</span><span style="color: #007700">(</span><span style="color: #DD0000">"rgba(0, 0, 0, 0)"</span><span style="color: #007700">); </span><span style="color: #FF8000">/* Paint every second pixel black*/<br />            </span><span style="color: #007700">}<br />        }<br />        </span><span style="color: #0000BB">$imageIterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">syncIterator</span><span style="color: #007700">(); </span><span style="color: #FF8000">/* Sync the iterator, this is important to do on each iteration */<br />    </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/jpg"</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">$imagick</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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