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<div class="subTitle">com.google.zxing.common</div>
<h2 title="Class DefaultGridSampler" class="title">Class DefaultGridSampler</h2>
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<pre>public final class <span class="typeNameLabel">DefaultGridSampler</span>
extends <a href="../../../../com/google/zxing/common/GridSampler.html" title="class in com.google.zxing.common">GridSampler</a></pre>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Sean Owen</dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/common/DefaultGridSampler.html#DefaultGridSampler--">DefaultGridSampler</a></span>()</code> </td>
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<td class="colFirst"><code><a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/common/DefaultGridSampler.html#sampleGrid-com.google.zxing.common.BitMatrix-int-int-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-">sampleGrid</a></span>(<a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> image,
int dimensionX,
int dimensionY,
float p1ToX,
float p1ToY,
float p2ToX,
float p2ToY,
float p3ToX,
float p3ToY,
float p4ToX,
float p4ToY,
float p1FromX,
float p1FromY,
float p2FromX,
float p2FromY,
float p3FromX,
float p3FromY,
float p4FromX,
float p4FromY)</code>
<div class="block">Samples an image for a rectangular matrix of bits of the given dimension.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/google/zxing/common/DefaultGridSampler.html#sampleGrid-com.google.zxing.common.BitMatrix-int-int-com.google.zxing.common.PerspectiveTransform-">sampleGrid</a></span>(<a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> image,
int dimensionX,
int dimensionY,
<a href="../../../../com/google/zxing/common/PerspectiveTransform.html" title="class in com.google.zxing.common">PerspectiveTransform</a> transform)</code> </td>
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<h3>Methods inherited from class com.google.zxing.common.<a href="../../../../com/google/zxing/common/GridSampler.html" title="class in com.google.zxing.common">GridSampler</a></h3>
<code><a href="../../../../com/google/zxing/common/GridSampler.html#checkAndNudgePoints-com.google.zxing.common.BitMatrix-float:A-">checkAndNudgePoints</a>, <a href="../../../../com/google/zxing/common/GridSampler.html#getInstance--">getInstance</a>, <a href="../../../../com/google/zxing/common/GridSampler.html#setGridSampler-com.google.zxing.common.GridSampler-">setGridSampler</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>DefaultGridSampler</h4>
<pre>public DefaultGridSampler()</pre>
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<h4>sampleGrid</h4>
<pre>public <a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> sampleGrid(<a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> image,
int dimensionX,
int dimensionY,
float p1ToX,
float p1ToY,
float p2ToX,
float p2ToY,
float p3ToX,
float p3ToY,
float p4ToX,
float p4ToY,
float p1FromX,
float p1FromY,
float p2FromX,
float p2FromY,
float p3FromX,
float p3FromY,
float p4FromX,
float p4FromY)
throws <a href="../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../com/google/zxing/common/GridSampler.html#sampleGrid-com.google.zxing.common.BitMatrix-int-int-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-">GridSampler</a></code></span></div>
<div class="block">Samples an image for a rectangular matrix of bits of the given dimension. The sampling
transformation is determined by the coordinates of 4 points, in the original and transformed
image space.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../com/google/zxing/common/GridSampler.html#sampleGrid-com.google.zxing.common.BitMatrix-int-int-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-float-">sampleGrid</a></code> in class <code><a href="../../../../com/google/zxing/common/GridSampler.html" title="class in com.google.zxing.common">GridSampler</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>image</code> - image to sample</dd>
<dd><code>dimensionX</code> - width of <a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common"><code>BitMatrix</code></a> to sample from image</dd>
<dd><code>dimensionY</code> - height of <a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common"><code>BitMatrix</code></a> to sample from image</dd>
<dd><code>p1ToX</code> - point 1 preimage X</dd>
<dd><code>p1ToY</code> - point 1 preimage Y</dd>
<dd><code>p2ToX</code> - point 2 preimage X</dd>
<dd><code>p2ToY</code> - point 2 preimage Y</dd>
<dd><code>p3ToX</code> - point 3 preimage X</dd>
<dd><code>p3ToY</code> - point 3 preimage Y</dd>
<dd><code>p4ToX</code> - point 4 preimage X</dd>
<dd><code>p4ToY</code> - point 4 preimage Y</dd>
<dd><code>p1FromX</code> - point 1 image X</dd>
<dd><code>p1FromY</code> - point 1 image Y</dd>
<dd><code>p2FromX</code> - point 2 image X</dd>
<dd><code>p2FromY</code> - point 2 image Y</dd>
<dd><code>p3FromX</code> - point 3 image X</dd>
<dd><code>p3FromY</code> - point 3 image Y</dd>
<dd><code>p4FromX</code> - point 4 image X</dd>
<dd><code>p4FromY</code> - point 4 image Y</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common"><code>BitMatrix</code></a> representing a grid of points sampled from the image within a region
defined by the "from" parameters</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 can't be sampled, for example, if the transformation defined
by the given points is invalid or results in sampling outside the image boundaries</dd>
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<h4>sampleGrid</h4>
<pre>public <a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> sampleGrid(<a href="../../../../com/google/zxing/common/BitMatrix.html" title="class in com.google.zxing.common">BitMatrix</a> image,
int dimensionX,
int dimensionY,
<a href="../../../../com/google/zxing/common/PerspectiveTransform.html" title="class in com.google.zxing.common">PerspectiveTransform</a> transform)
throws <a href="../../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../com/google/zxing/common/GridSampler.html#sampleGrid-com.google.zxing.common.BitMatrix-int-int-com.google.zxing.common.PerspectiveTransform-">sampleGrid</a></code> in class <code><a href="../../../../com/google/zxing/common/GridSampler.html" title="class in com.google.zxing.common">GridSampler</a></code></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></dd>
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