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<div class="subTitle">ch.epfl.sdp.peakar.utils</div>
<h2 title="Class CameraUtilities" class="title">Class CameraUtilities</h2>
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<pre>public final class <span class="typeNameLabel">CameraUtilities</span>
extends java.lang.Object</pre>
<div class="block">Utility class for the Camera Activity, contains utility methods for the camera-preview and compass</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#CameraUtilities--">CameraUtilities</a></span>()</code> </td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#aspectRatio-int-int-">aspectRatio</a></span>(int width,
int height)</code>
<div class="block">Calculate the aspect ratio of the display in function of the width and height of the screen</div>
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<td class="colFirst"><code>static android.graphics.Bitmap</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#combineBitmaps-android.graphics.Bitmap-android.graphics.Bitmap-">combineBitmaps</a></span>(android.graphics.Bitmap base,
android.graphics.Bitmap overlay)</code>
<div class="block">Combines two bitmaps into one</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#convertArrToDegrees-float:A-">convertArrToDegrees</a></span>(float[] orientationMat)</code>
<div class="block">Convert all values of array to degrees</div>
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<td class="colFirst"><code>static androidx.core.util.Pair<java.lang.Float,java.lang.Float></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#getFieldOfView-android.content.Context-">getFieldOfView</a></span>(android.content.Context context)</code>
<div class="block">Get the horizontal and vertical field of view of the back-facing amera</div>
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<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../ch/epfl/sdp/peakar/utils/CameraUtilities.html#selectHeadingString-int-">selectHeadingString</a></span>(int degree)</code>
<div class="block">Used to get the string of the actual heading</div>
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<h4>CameraUtilities</h4>
<pre>public CameraUtilities()</pre>
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<h4>aspectRatio</h4>
<pre>public static int aspectRatio(int width,
int height)</pre>
<div class="block">Calculate the aspect ratio of the display in function of the width and height of the screen</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>width</code> - width of the preview in Pixels</dd>
<dd><code>height</code> - height of the preview in Pixels</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Aspect ratio of the phone</dd>
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<h4>getFieldOfView</h4>
<pre>public static androidx.core.util.Pair<java.lang.Float,java.lang.Float> getFieldOfView(android.content.Context context)
throws android.hardware.camera2.CameraAccessException</pre>
<div class="block">Get the horizontal and vertical field of view of the back-facing amera</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>null if there is no camera, else the horizontal and vertical
field of view in degrees</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>android.hardware.camera2.CameraAccessException</code></dd>
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<pre>public static java.lang.String selectHeadingString(int degree)</pre>
<div class="block">Used to get the string of the actual heading</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>degree</code> - degree to get the string</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>String for the degree</dd>
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<h4>convertArrToDegrees</h4>
<pre>public static void convertArrToDegrees(float[] orientationMat)</pre>
<div class="block">Convert all values of array to degrees</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>orientationMat</code> - Array of values that gets converted from radians to degrees</dd>
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<pre>public static android.graphics.Bitmap combineBitmaps(android.graphics.Bitmap base,
android.graphics.Bitmap overlay)</pre>
<div class="block">Combines two bitmaps into one</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>base</code> - first bitmap</dd>
<dd><code>overlay</code> - second bitmap that is drawn on first bitmap</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A bitmap that combine the two bitmaps</dd>
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