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<div id="imagick.subimagematch" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::subImageMatch</h1>
  <p class="verinfo">(PECL imagick 3 &gt;= 3.3.0)</p><p class="refpurpose"><span class="refname">Imagick::subImageMatch</span> &mdash; <span class="dc-title">Procura uma subimagem na imagem atual e retorna uma imagem semelhante</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.subimagematch-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Imagick::subImageMatch</strong></span>(<span class="methodparam"><span class="type"><a href="class.imagick.php" class="type Imagick">Imagick</a></span> <code class="parameter">$Imagick</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter reference">&$offset</code><span class="initializer"> = ?</span></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter reference">&$similarity</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.imagick.php" class="type Imagick">Imagick</a></span></div>

  <p class="para rdfs-comment">
   Procura uma subimagem na imagem atual e retorna uma imagem semelhante de forma que um local de correspondência exata seja completamente branco e, se nenhum dos pixels corresponder, preto, caso contrário, algum nível de cinza intermediário.
   Pode-se também passar os parâmetros opcionais &#039;bestMatch&#039; e &#039;similarity&#039;. Depois de chamar a função, &#039;similarity&#039; será definida para a &quot;pontuação&quot; da similaridade entre a subimagem e a posição correspondente na imagem maior, &#039;bestMatch&#039; conterá um array associativo com elementos &#039;x&#039;, &#039;y&#039;, &#039;width&#039; (largura) e &#039;height&#039; (altura) que descrevem a região correspondente.
  </p>


 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.subimagematch-parameters">
  <h3 class="title">Parâmetros</h3>
  <dl>
   
    <dt><code class="parameter">Imagick</code></dt>
    <dd>
     <p class="para">

     </p>
    </dd>
   
   
    <dt><code class="parameter">offset</code></dt>
    <dd>
     <p class="para">

     </p>
    </dd>
   
   
    <dt><code class="parameter">similarity</code></dt>
    <dd>
     <p class="para">
      Uma nova imagem que exibe a quantidade de similaridade em cada pixel.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-imagick.subimagematch-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">

  </p>
 </div>





 <div class="refsect1 examples" id="refsect1-imagick.subimagematch-examples">
  <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>Imagick::subImageMatch()</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">subImageMatch</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">$imagePath</span><span style="color: #007700">));<br />    </span><span style="color: #0000BB">$imagick2 </span><span style="color: #007700">= clone </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">cropimage</span><span style="color: #007700">(</span><span style="color: #0000BB">40</span><span style="color: #007700">, </span><span style="color: #0000BB">40</span><span style="color: #007700">, </span><span style="color: #0000BB">250</span><span style="color: #007700">, </span><span style="color: #0000BB">110</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">$imagick2</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">vignetteimage</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /><br />    </span><span style="color: #0000BB">$similarity </span><span style="color: #007700">= </span><span style="color: #0000BB">null</span><span style="color: #007700">;<br />    </span><span style="color: #0000BB">$bestMatch </span><span style="color: #007700">= </span><span style="color: #0000BB">null</span><span style="color: #007700">;<br />    </span><span style="color: #0000BB">$comparison </span><span style="color: #007700">= </span><span style="color: #0000BB">$imagick</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">subImageMatch</span><span style="color: #007700">(</span><span style="color: #0000BB">$imagick2</span><span style="color: #007700">, </span><span style="color: #0000BB">$bestMatch</span><span style="color: #007700">, </span><span style="color: #0000BB">$similarity</span><span style="color: #007700">);<br /><br />    </span><span style="color: #0000BB">$comparison</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setImageFormat</span><span style="color: #007700">(</span><span style="color: #DD0000">'png'</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type: image/png"</span><span style="color: #007700">);<br />    echo </span><span style="color: #0000BB">$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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