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<div class="subTitle">com.google.zxing.common.detector</div>
<h2 title="Class WhiteRectangleDetector" class="title">Class WhiteRectangleDetector</h2>
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<pre>public final class <span class="typeNameLabel">WhiteRectangleDetector</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block"><p>
 Detects a candidate barcode-like rectangular region within an image. It
 starts around the center of the image, increases the size of the candidate
 region until it finds a white rectangular region. By keeping track of the
 last black points it encountered, it determines the corners of the barcode.
 </p></div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>David Olivier</dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/zxing/common/detector/WhiteRectangleDetector.html#WhiteRectangleDetector-com.google.zxing.common.BitMatrix-">WhiteRectangleDetector</a></span>(<a href="../../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a>&nbsp;image)</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/zxing/common/detector/WhiteRectangleDetector.html#WhiteRectangleDetector-com.google.zxing.common.BitMatrix-int-int-int-">WhiteRectangleDetector</a></span>(<a href="../../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a>&nbsp;image,
                      int&nbsp;initSize,
                      int&nbsp;x,
                      int&nbsp;y)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../com/google/zxing/ResultPoint.html" title="class in com.google.zxing">ResultPoint</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/zxing/common/detector/WhiteRectangleDetector.html#detect--">detect</a></span>()</code>
<div class="block">
 Detects a candidate barcode-like rectangular region within an image.</div>
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<h4>WhiteRectangleDetector</h4>
<pre>public&nbsp;WhiteRectangleDetector(<a href="../../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a>&nbsp;image)
                       throws <a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></code></dd>
</dl>
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<h4>WhiteRectangleDetector</h4>
<pre>public&nbsp;WhiteRectangleDetector(<a href="../../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a>&nbsp;image,
                              int&nbsp;initSize,
                              int&nbsp;x,
                              int&nbsp;y)
                       throws <a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>image</code> - barcode image to find a rectangle in</dd>
<dd><code>initSize</code> - initial size of search area around center</dd>
<dd><code>x</code> - x position of search center</dd>
<dd><code>y</code> - y position of search center</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></code> - if image is too small to accommodate <code>initSize</code></dd>
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<h4>detect</h4>
<pre>public&nbsp;<a href="../../../../../com/google/zxing/ResultPoint.html" title="class in com.google.zxing">ResultPoint</a>[]&nbsp;detect()
                     throws <a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<div class="block"><p>
 Detects a candidate barcode-like rectangular region within an image. It
 starts around the center of the image, increases the size of the candidate
 region until it finds a white rectangular region.
 </p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="../../../../../com/google/zxing/ResultPoint.html" title="class in com.google.zxing"><code>ResultPoint</code></a>[] describing the corners of the rectangular
         region. The first and last points are opposed on the diagonal, as
         are the second and third. The first point will be the topmost
         point and the last, the bottommost. The second point will be
         leftmost and the third, the rightmost</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></code> - if no Data Matrix Code can be found</dd>
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