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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.insa.graphs.gui.drawing.components</a></div>
<h2 title="Class MapZoomControls" class="title">Class MapZoomControls</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.insa.graphs.gui.drawing.components.MapZoomControls</li>
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<pre>public class <span class="typeNameLabel">MapZoomControls</span>
extends java.lang.Object</pre>
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<h3>Field Summary</h3>
<table class="memberSummary">
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static java.awt.Color</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CURRENT_ZOOM_TICK_COLOR">CURRENT_ZOOM_TICK_COLOR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CURRENT_ZOOM_TICK_HEIGHT_RATIO">CURRENT_ZOOM_TICK_HEIGHT_RATIO</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#currentLevel">currentLevel</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_HEIGHT">DEFAULT_HEIGHT</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_SPACING">DEFAULT_SPACING</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#halfMark">halfMark</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#maxLevel">maxLevel</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#minLevel">minLevel</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_IN_ACTION_ID">ZOOM_IN_ACTION_ID</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_IN_ACTION_NAME">ZOOM_IN_ACTION_NAME</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_OUT_ACTION_ID">ZOOM_OUT_ACTION_ID</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_OUT_ACTION_NAME">ZOOM_OUT_ACTION_NAME</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static java.awt.Color</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_TICK_COLOR">ZOOM_TICK_COLOR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static double</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZOOM_TICK_HEIGHT_RATIO">ZOOM_TICK_HEIGHT_RATIO</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.awt.Image</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomIn">zoomIn</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.util.List&lt;java.awt.event.ActionListener&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomInListeners">zoomInListeners</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.awt.Rectangle</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomInRect">zoomInRect</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.awt.Image</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomOut">zoomOut</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.util.List&lt;java.awt.event.ActionListener&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomOutListeners">zoomOutListeners</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.awt.Rectangle</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#zoomOutRect">zoomOutRect</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<h3>Constructor Summary</h3>
<table class="memberSummary">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.awt.Component,int,int,int)">MapZoomControls</a></span>&#8203;(java.awt.Component&nbsp;component,
int&nbsp;defaultZoom,
int&nbsp;minZoom,
int&nbsp;maxZoom)</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Method Summary</h3>
<table class="memberSummary">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addZoomInListener(java.awt.event.ActionListener)">addZoomInListener</a></span>&#8203;(java.awt.event.ActionListener&nbsp;listener)</code></th>
<td class="colLast">
<div class="block">Add a zoom-in listener.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addZoomOutListener(java.awt.event.ActionListener)">addZoomOutListener</a></span>&#8203;(java.awt.event.ActionListener&nbsp;listener)</code></th>
<td class="colLast">
<div class="block">Add a zoom-out listener.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#contains(java.awt.Point)">contains</a></span>&#8203;(java.awt.Point&nbsp;point)</code></th>
<td class="colLast">
<div class="block">Check if a point is contained inside an element of this zoom controls, useful
to avoid spurious click listeners.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#draw(java.awt.Graphics2D,int,int,java.awt.image.ImageObserver)">draw</a></span>&#8203;(java.awt.Graphics2D&nbsp;g,
int&nbsp;xoffset,
int&nbsp;yoffset,
java.awt.image.ImageObserver&nbsp;observer)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHeight()">getHeight</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWidth()">getWidth</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getZoomLevel()">getZoomLevel</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setZoomLevel(int)">setZoomLevel</a></span>&#8203;(int&nbsp;level)</code></th>
<td class="colLast">
<div class="block">Set the current zoom level without requesting a redraw.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<a id="ZOOM_IN_ACTION_ID">
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<h4>ZOOM_IN_ACTION_ID</h4>
<pre>private static final&nbsp;int ZOOM_IN_ACTION_ID</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.ZOOM_IN_ACTION_ID">Constant Field Values</a></dd>
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<h4>ZOOM_IN_ACTION_NAME</h4>
<pre>private static final&nbsp;java.lang.String ZOOM_IN_ACTION_NAME</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.ZOOM_IN_ACTION_NAME">Constant Field Values</a></dd>
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<h4>ZOOM_OUT_ACTION_ID</h4>
<pre>private static final&nbsp;int ZOOM_OUT_ACTION_ID</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.ZOOM_OUT_ACTION_ID">Constant Field Values</a></dd>
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<pre>private static final&nbsp;java.lang.String ZOOM_OUT_ACTION_NAME</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.ZOOM_OUT_ACTION_NAME">Constant Field Values</a></dd>
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<h4>DEFAULT_HEIGHT</h4>
<pre>private static final&nbsp;int DEFAULT_HEIGHT</pre>
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<pre>private static final&nbsp;int DEFAULT_SPACING</pre>
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<pre>private static final&nbsp;double ZOOM_TICK_HEIGHT_RATIO</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.ZOOM_TICK_HEIGHT_RATIO">Constant Field Values</a></dd>
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<pre>private static final&nbsp;java.awt.Color ZOOM_TICK_COLOR</pre>
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<pre>private static final&nbsp;double CURRENT_ZOOM_TICK_HEIGHT_RATIO</pre>
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<dd><a href="../../../../../../constant-values.html#org.insa.graphs.gui.drawing.components.MapZoomControls.CURRENT_ZOOM_TICK_HEIGHT_RATIO">Constant Field Values</a></dd>
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<pre>private static final&nbsp;java.awt.Color CURRENT_ZOOM_TICK_COLOR</pre>
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<pre>private&nbsp;boolean halfMark</pre>
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<h4>currentLevel</h4>
<pre>private&nbsp;int currentLevel</pre>
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<h4>minLevel</h4>
<pre>private final&nbsp;int minLevel</pre>
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<h4>maxLevel</h4>
<pre>private final&nbsp;int maxLevel</pre>
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<h4>zoomIn</h4>
<pre>private final&nbsp;java.awt.Image zoomIn</pre>
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<h4>zoomOut</h4>
<pre>private final&nbsp;java.awt.Image zoomOut</pre>
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<h4>zoomInRect</h4>
<pre>private final&nbsp;java.awt.Rectangle zoomInRect</pre>
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<h4>zoomOutRect</h4>
<pre>private final&nbsp;java.awt.Rectangle zoomOutRect</pre>
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<h4>zoomInListeners</h4>
<pre>private final&nbsp;java.util.List&lt;java.awt.event.ActionListener&gt; zoomInListeners</pre>
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<pre>private final&nbsp;java.util.List&lt;java.awt.event.ActionListener&gt; zoomOutListeners</pre>
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<h4>MapZoomControls</h4>
<pre>public&nbsp;MapZoomControls&#8203;(java.awt.Component&nbsp;component,
int&nbsp;defaultZoom,
int&nbsp;minZoom,
int&nbsp;maxZoom)
throws java.io.IOException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
</dl>
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<h4>addZoomInListener</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;addZoomInListener&#8203;(java.awt.event.ActionListener&nbsp;listener)</pre>
<div class="block">Add a zoom-in listener.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - Zoom-in listener to add to this MapZoomControls instance.</dd>
</dl>
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<h4>addZoomOutListener</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;addZoomOutListener&#8203;(java.awt.event.ActionListener&nbsp;listener)</pre>
<div class="block">Add a zoom-out listener.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>listener</code> - Zoom-out listener to add to this MapZoomControls instance.</dd>
</dl>
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<h4>getZoomLevel</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getZoomLevel()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current zoom level.</dd>
</dl>
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<h4>setZoomLevel</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setZoomLevel&#8203;(int&nbsp;level)</pre>
<div class="block">Set the current zoom level without requesting a redraw.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>level</code> - Zoom level to set.</dd>
</dl>
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<h4>getHeight</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getHeight()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Height of this "component" when drawn.</dd>
</dl>
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<h4>getWidth</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getWidth()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Width of this "component" when drawn.</dd>
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<h4>contains</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;contains&#8203;(java.awt.Point&nbsp;point)</pre>
<div class="block">Check if a point is contained inside an element of this zoom controls, useful
to avoid spurious click listeners.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>point</code> - Point to check.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the given point correspond to an element of this zoom
controls.</dd>
</dl>
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<h4>draw</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;draw&#8203;(java.awt.Graphics2D&nbsp;g,
int&nbsp;xoffset,
int&nbsp;yoffset,
java.awt.image.ImageObserver&nbsp;observer)</pre>
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