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<div class="subTitle">javafx.scene.input</div>
<h2 title="Class TouchPoint" class="title">Class TouchPoint</h2>
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<li>javafx.scene.input.TouchPoint</li>
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<pre>public final class <span class="typeNameLabel">TouchPoint</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>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">Touch point represents a single point of a multi-touch action, typically
one finger touching a screen. It is contained in <a href="../../../javafx/scene/input/TouchEvent.html" title="class in javafx.scene.input"><code>TouchEvent</code></a>.
<p>
The touch point has its coordinates, state (see <a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input"><code>TouchPoint.State</code></a>) and ID. The
ID is sequential number of this touch point unique in scope of a single
multi-touch gesture.
<p>
Each touch point is by default delivered to a single node during its whole
trajectory - to the node on which it was pressed. There is a grabbing API
to modify this behavior. The above means that when touch point is pressed,
it is automatically grabbed by the top-most node on the press coordinates.
Any time during the gesture <code>grab()</code> and <code>ungrab()</code> methods
can be used to alter the event delivery target. When grabbed by a different
node, it will next time be targeted to it; when ungrabbed, it will be
always targeted to the top-most node on the current location.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 2.2</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../serialized-form.html#javafx.scene.input.TouchPoint">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input">TouchPoint.State</a></span></code>
<div class="block">Represents current state of the touch point</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#TouchPoint-int-javafx.scene.input.TouchPoint.State-double-double-double-double-javafx.event.EventTarget-javafx.scene.input.PickResult-">TouchPoint</a></span>(int id,
<a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input">TouchPoint.State</a> state,
double x,
double y,
double screenX,
double screenY,
<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target,
<a href="../../../javafx/scene/input/PickResult.html" title="class in javafx.scene.input">PickResult</a> pickResult)</code>
<div class="block">Creates new instance of TouchPoint.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#belongsTo-javafx.event.EventTarget-">belongsTo</a></span>(<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target)</code>
<div class="block">Distinguishes between touch points targeted to the given node or some
of its children from touch points targeted somewhere else.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getGrabbed--">getGrabbed</a></span>()</code>
<div class="block">Gets event target which has grabbed this touch point.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getId--">getId</a></span>()</code>
<div class="block">Gets identifier of this touch point.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../javafx/scene/input/PickResult.html" title="class in javafx.scene.input">PickResult</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getPickResult--">getPickResult</a></span>()</code>
<div class="block">Returns information about the pick.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getSceneX--">getSceneX</a></span>()</code>
<div class="block">Gets the horizontal position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getSceneY--">getSceneY</a></span>()</code>
<div class="block">Gets the vertical position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getScreenX--">getScreenX</a></span>()</code>
<div class="block">Gets the absolute horizontal position of the touch point.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getScreenY--">getScreenY</a></span>()</code>
<div class="block">Gets the absolute vertical position of the touch point.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input">TouchPoint.State</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getState--">getState</a></span>()</code>
<div class="block">Gets state of this touch point</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getTarget--">getTarget</a></span>()</code>
<div class="block">Gets event target on which the touch event carrying this touch point
is fired.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getX--">getX</a></span>()</code>
<div class="block">Gets the horizontal position of the touch point relative to the
origin of the TouchEvent's source.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getY--">getY</a></span>()</code>
<div class="block">Gets the vertical position of the touch point relative to the
origin of the TouchEvent's source.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#getZ--">getZ</a></span>()</code>
<div class="block">Depth position of the event relative to the
origin of the MouseEvent's source.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#grab--">grab</a></span>()</code>
<div class="block">Grabs this touch point by current event source.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#grab-javafx.event.EventTarget-">grab</a></span>(<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target)</code>
<div class="block">Grabs this touch point by the given target.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#toString--">toString</a></span>()</code>
<div class="block">Returns a string representation of this <code>TouchPoint</code> object.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/input/TouchPoint.html#ungrab--">ungrab</a></span>()</code>
<div class="block">Ungrabs this touch point from its target.</div>
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<h3>Methods inherited from class java.lang.<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></h3>
<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#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>TouchPoint</h4>
<pre>public TouchPoint(int id,
<a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input">TouchPoint.State</a> state,
double x,
double y,
double screenX,
double screenY,
<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target,
<a href="../../../javafx/scene/input/PickResult.html" title="class in javafx.scene.input">PickResult</a> pickResult)</pre>
<div class="block">Creates new instance of TouchPoint.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - ID of the new touch point</dd>
<dd><code>state</code> - state of the new touch point</dd>
<dd><code>x</code> - The x with respect to the scene.</dd>
<dd><code>y</code> - The y with respect to the scene.</dd>
<dd><code>screenX</code> - The x coordinate relative to screen.</dd>
<dd><code>screenY</code> - The y coordinate relative to screen.</dd>
<dd><code>pickResult</code> - pick result. Can be null, in this case a 2D pick result
without any further values is constructed
based on the scene coordinates and target</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 8.0</dd>
</dl>
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<h4>belongsTo</h4>
<pre>public boolean belongsTo(<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target)</pre>
<div class="block">Distinguishes between touch points targeted to the given node or some
of its children from touch points targeted somewhere else. This allows
for testing all touch points carried by one touch event on their
relevance for a given node.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - Node or other event target to be tested</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if this touch point is targeted to the given target or
some of its children</dd>
</dl>
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<h4>getGrabbed</h4>
<pre>public <a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> getGrabbed()</pre>
<div class="block">Gets event target which has grabbed this touch point.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The current grabbed target, null if the touch point is ungrabbed</dd>
</dl>
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<h4>grab</h4>
<pre>public void grab()</pre>
<div class="block">Grabs this touch point by current event source. Next event containing
this touch point will be targeted to the same node whose event handler
called this method.</div>
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<h4>grab</h4>
<pre>public void grab(<a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> target)</pre>
<div class="block">Grabs this touch point by the given target. Next event containing this
touch point will be targeted to it.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - Target by which to grab the touch point</dd>
</dl>
</li>
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<h4>ungrab</h4>
<pre>public void ungrab()</pre>
<div class="block">Ungrabs this touch point from its target. Since the next event this
touch point will be delivered to the top-most node picked on its
respective location until it is grabbed again or released.</div>
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<h4>getId</h4>
<pre>public final int getId()</pre>
<div class="block">Gets identifier of this touch point. The number is sequential and unique
in scope of one multi touch gesture. The first pressed touch point has id
<code>1</code>, each subsequently pressed touch points gets the next ordinal
number until all touch points are released and the counter is reset.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the identifier of this touch point.</dd>
</dl>
</li>
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<h4>getState</h4>
<pre>public final <a href="../../../javafx/scene/input/TouchPoint.State.html" title="enum in javafx.scene.input">TouchPoint.State</a> getState()</pre>
<div class="block">Gets state of this touch point</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>state of this touch point</dd>
</dl>
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<h4>getX</h4>
<pre>public final double getX()</pre>
<div class="block">Gets the horizontal position of the touch point relative to the
origin of the TouchEvent's source.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the horizontal position of the touch point relative to the
origin of the TouchEvent's source.</dd>
</dl>
</li>
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<h4>getY</h4>
<pre>public final double getY()</pre>
<div class="block">Gets the vertical position of the touch point relative to the
origin of the TouchEvent's source.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the vertical position of the touch point relative to the
origin of the TouchEvent's source.</dd>
</dl>
</li>
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<h4>getZ</h4>
<pre>public final double getZ()</pre>
<div class="block">Depth position of the event relative to the
origin of the MouseEvent's source.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>depth position of the event relative to the
origin of the MouseEvent's source.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 8.0</dd>
</dl>
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<h4>getScreenX</h4>
<pre>public final double getScreenX()</pre>
<div class="block">Gets the absolute horizontal position of the touch point.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the absolute horizontal position of the touch point</dd>
</dl>
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<h4>getScreenY</h4>
<pre>public final double getScreenY()</pre>
<div class="block">Gets the absolute vertical position of the touch point.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the absolute vertical position of the touch point</dd>
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<h4>getSceneX</h4>
<pre>public final double getSceneX()</pre>
<div class="block">Gets the horizontal position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source.
If the node is not in a <code>Scene</code>, then the value is relative to
the boundsInParent of the root-most parent of the TouchEvent's node.
Note that in 3D scene, this represents the flat coordinates after
applying the projection transformations.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the horizontal position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source</dd>
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<h4>getSceneY</h4>
<pre>public final double getSceneY()</pre>
<div class="block">Gets the vertical position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source.
If the node is not in a <code>Scene</code>, then the value is relative to
the boundsInParent of the root-most parent of the TouchEvent's node.
Note that in 3D scene, this represents the flat coordinates after
applying the projection transformations.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the vertical position of the touch point relative to the
origin of the <code>Scene</code> that contains the TouchEvent's source</dd>
</dl>
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<h4>getPickResult</h4>
<pre>public final <a href="../../../javafx/scene/input/PickResult.html" title="class in javafx.scene.input">PickResult</a> getPickResult()</pre>
<div class="block">Returns information about the pick.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new PickResult object that contains information about the pick</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 8.0</dd>
</dl>
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<h4>getTarget</h4>
<pre>public <a href="../../../javafx/event/EventTarget.html" title="interface in javafx.event">EventTarget</a> getTarget()</pre>
<div class="block">Gets event target on which the touch event carrying this touch point
is fired.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Event target for this touch point</dd>
</dl>
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<h4>toString</h4>
<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre>
<div class="block">Returns a string representation of this <code>TouchPoint</code> object.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><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></code> in class <code><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></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a string representation of this <code>TouchPoint</code> object.</dd>
</dl>
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