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<h1 class="title">TouchPoint Class Reference</h1>
<span class="small-subtitle">(QTouchEvent::TouchPoint)<br/></span>
<!-- $$$TouchPoint-brief -->
<p>The TouchPoint class provides information about a touch point in a <a href="qtouchevent.html">QTouchEvent</a>. <a href="#details">More...</a></p>
<!-- @@@TouchPoint -->
<pre class="cpp"> <span class="preprocessor">#include &lt;<a href="qtouchevent.html">QTouchEvent</a>&gt;</span></pre><p>This class was introduced in Qt 4.6.</p>
<ul>
<li><a href="qtouchevent-touchpoint-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#id">id</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#isPrimary">isPrimary</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#lastNormalizedPos">lastNormalizedPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#lastPos">lastPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#lastScenePos">lastScenePos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#lastScreenPos">lastScreenPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#normalizedPos">normalizedPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#pos">pos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#pressure">pressure</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRectF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#rect">rect</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#scenePos">scenePos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRectF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#sceneRect">sceneRect</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#screenPos">screenPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRectF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#screenRect">screenRect</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#startNormalizedPos">startNormalizedPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#startPos">startPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#startScenePos">startScenePos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#startScreenPos">startScreenPos</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt::TouchPointState </td><td class="memItemRight bottomAlign"><b><a href="qtouchevent-touchpoint.html#state">state</a></b> () const</td></tr>
</table>
<a name="details"></a>
<!-- $$$TouchPoint-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The TouchPoint class provides information about a touch point in a <a href="qtouchevent.html">QTouchEvent</a>.</p>
</div>
<!-- @@@TouchPoint -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$id[overload1]$$$id -->
<h3 class="fn"><a name="id"></a><span class="type">int</span> TouchPoint::<span class="name">id</span> () const</h3>
<p>Returns the id number of this touch point.</p>
<p>Id numbers are globally sequential, starting at zero, meaning the first touch point in the application has id 0, the second has id 1, and so on.</p>
<!-- @@@id -->
<!-- $$$isPrimary[overload1]$$$isPrimary -->
<h3 class="fn"><a name="isPrimary"></a><span class="type">bool</span> TouchPoint::<span class="name">isPrimary</span> () const</h3>
<p>Returns true if this touch point is the primary touch point. The primary touch point is the point for which the windowing system generates mouse events.</p>
<!-- @@@isPrimary -->
<!-- $$$lastNormalizedPos[overload1]$$$lastNormalizedPos -->
<h3 class="fn"><a name="lastNormalizedPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">lastNormalizedPos</span> () const</h3>
<p>Returns the normalized position of this touch point from the previous touch event.</p>
<p>The coordinates are normalized to the size of the touch device, i.e&#x2e; (0,0) is the top-left corner and (1,1) is the bottom-right corner.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#normalizedPos">normalizedPos</a>() and <a href="qtouchevent-touchpoint.html#startNormalizedPos">startNormalizedPos</a>().</p>
<!-- @@@lastNormalizedPos -->
<!-- $$$lastPos[overload1]$$$lastPos -->
<h3 class="fn"><a name="lastPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">lastPos</span> () const</h3>
<p>Returns the position of this touch point from the previous touch event, relative to the widget or <a href="qgraphicsitem.html">QGraphicsItem</a> that received the event.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#pos">pos</a>() and <a href="qtouchevent-touchpoint.html#startPos">startPos</a>().</p>
<!-- @@@lastPos -->
<!-- $$$lastScenePos[overload1]$$$lastScenePos -->
<h3 class="fn"><a name="lastScenePos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">lastScenePos</span> () const</h3>
<p>Returns the scene position of this touch point from the previous touch event.</p>
<p>The scene position is the position in <a href="qgraphicsscene.html">QGraphicsScene</a> coordinates if the <a href="qtouchevent.html">QTouchEvent</a> is handled by a QGraphicsItem::touchEvent() reimplementation, and identical to the screen position for widgets.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#scenePos">scenePos</a>() and <a href="qtouchevent-touchpoint.html#startScenePos">startScenePos</a>().</p>
<!-- @@@lastScenePos -->
<!-- $$$lastScreenPos[overload1]$$$lastScreenPos -->
<h3 class="fn"><a name="lastScreenPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">lastScreenPos</span> () const</h3>
<p>Returns the screen position of this touch point from the previous touch event.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#screenPos">screenPos</a>() and <a href="qtouchevent-touchpoint.html#startScreenPos">startScreenPos</a>().</p>
<!-- @@@lastScreenPos -->
<!-- $$$normalizedPos[overload1]$$$normalizedPos -->
<h3 class="fn"><a name="normalizedPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">normalizedPos</span> () const</h3>
<p>Returns the normalized position of this touch point.</p>
<p>The coordinates are normalized to the size of the touch device, i.e&#x2e; (0,0) is the top-left corner and (1,1) is the bottom-right corner.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#startNormalizedPos">startNormalizedPos</a>(), <a href="qtouchevent-touchpoint.html#lastNormalizedPos">lastNormalizedPos</a>(), and <a href="qtouchevent-touchpoint.html#pos">pos</a>().</p>
<!-- @@@normalizedPos -->
<!-- $$$pos[overload1]$$$pos -->
<h3 class="fn"><a name="pos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">pos</span> () const</h3>
<p>Returns the position of this touch point, relative to the widget or <a href="qgraphicsitem.html">QGraphicsItem</a> that received the event.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#startPos">startPos</a>(), <a href="qtouchevent-touchpoint.html#lastPos">lastPos</a>(), <a href="qtouchevent-touchpoint.html#screenPos">screenPos</a>(), <a href="qtouchevent-touchpoint.html#scenePos">scenePos</a>(), and <a href="qtouchevent-touchpoint.html#normalizedPos">normalizedPos</a>().</p>
<!-- @@@pos -->
<!-- $$$pressure[overload1]$$$pressure -->
<h3 class="fn"><a name="pressure"></a><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> TouchPoint::<span class="name">pressure</span> () const</h3>
<p>Returns the pressure of this touch point. The return value is in the range 0.0 to 1.0&#x2e;</p>
<!-- @@@pressure -->
<!-- $$$rect[overload1]$$$rect -->
<h3 class="fn"><a name="rect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> TouchPoint::<span class="name">rect</span> () const</h3>
<p>Returns the rect for this touch point, relative to the widget or <a href="qgraphicsitem.html">QGraphicsItem</a> that received the event. The rect is centered around the point returned by <a href="qtouchevent-touchpoint.html#pos">pos</a>().</p>
<p><b>Note:</b> This function returns an empty rect if the device does not report touch point sizes.</p>
<!-- @@@rect -->
<!-- $$$scenePos[overload1]$$$scenePos -->
<h3 class="fn"><a name="scenePos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">scenePos</span> () const</h3>
<p>Returns the scene position of this touch point.</p>
<p>The scene position is the position in <a href="qgraphicsscene.html">QGraphicsScene</a> coordinates if the <a href="qtouchevent.html">QTouchEvent</a> is handled by a QGraphicsItem::touchEvent() reimplementation, and identical to the screen position for widgets.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#startScenePos">startScenePos</a>(), <a href="qtouchevent-touchpoint.html#lastScenePos">lastScenePos</a>(), and <a href="qtouchevent-touchpoint.html#pos">pos</a>().</p>
<!-- @@@scenePos -->
<!-- $$$sceneRect[overload1]$$$sceneRect -->
<h3 class="fn"><a name="sceneRect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> TouchPoint::<span class="name">sceneRect</span> () const</h3>
<p>Returns the rect for this touch point in scene coordinates.</p>
<p><b>Note:</b> This function returns an empty rect if the device does not report touch point sizes.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#scenePos">scenePos</a>() and <a href="qtouchevent-touchpoint.html#rect">rect</a>().</p>
<!-- @@@sceneRect -->
<!-- $$$screenPos[overload1]$$$screenPos -->
<h3 class="fn"><a name="screenPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">screenPos</span> () const</h3>
<p>Returns the screen position of this touch point.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#startScreenPos">startScreenPos</a>(), <a href="qtouchevent-touchpoint.html#lastScreenPos">lastScreenPos</a>(), and <a href="qtouchevent-touchpoint.html#pos">pos</a>().</p>
<!-- @@@screenPos -->
<!-- $$$screenRect[overload1]$$$screenRect -->
<h3 class="fn"><a name="screenRect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> TouchPoint::<span class="name">screenRect</span> () const</h3>
<p>Returns the rect for this touch point in screen coordinates.</p>
<p><b>Note:</b> This function returns an empty rect if the device does not report touch point sizes.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#screenPos">screenPos</a>() and <a href="qtouchevent-touchpoint.html#rect">rect</a>().</p>
<!-- @@@screenRect -->
<!-- $$$startNormalizedPos[overload1]$$$startNormalizedPos -->
<h3 class="fn"><a name="startNormalizedPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">startNormalizedPos</span> () const</h3>
<p>Returns the normalized starting position of this touch point.</p>
<p>The coordinates are normalized to the size of the touch device, i.e&#x2e; (0,0) is the top-left corner and (1,1) is the bottom-right corner.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#normalizedPos">normalizedPos</a>() and <a href="qtouchevent-touchpoint.html#lastNormalizedPos">lastNormalizedPos</a>().</p>
<!-- @@@startNormalizedPos -->
<!-- $$$startPos[overload1]$$$startPos -->
<h3 class="fn"><a name="startPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">startPos</span> () const</h3>
<p>Returns the starting position of this touch point, relative to the widget or <a href="qgraphicsitem.html">QGraphicsItem</a> that received the event.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#pos">pos</a>() and <a href="qtouchevent-touchpoint.html#lastPos">lastPos</a>().</p>
<!-- @@@startPos -->
<!-- $$$startScenePos[overload1]$$$startScenePos -->
<h3 class="fn"><a name="startScenePos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">startScenePos</span> () const</h3>
<p>Returns the starting scene position of this touch point.</p>
<p>The scene position is the position in <a href="qgraphicsscene.html">QGraphicsScene</a> coordinates if the <a href="qtouchevent.html">QTouchEvent</a> is handled by a QGraphicsItem::touchEvent() reimplementation, and identical to the screen position for widgets.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#scenePos">scenePos</a>() and <a href="qtouchevent-touchpoint.html#lastScenePos">lastScenePos</a>().</p>
<!-- @@@startScenePos -->
<!-- $$$startScreenPos[overload1]$$$startScreenPos -->
<h3 class="fn"><a name="startScreenPos"></a><span class="type"><a href="qpointf.html">QPointF</a></span> TouchPoint::<span class="name">startScreenPos</span> () const</h3>
<p>Returns the starting screen position of this touch point.</p>
<p><b>See also </b><a href="qtouchevent-touchpoint.html#screenPos">screenPos</a>() and <a href="qtouchevent-touchpoint.html#lastScreenPos">lastScreenPos</a>().</p>
<!-- @@@startScreenPos -->
<!-- $$$state[overload1]$$$state -->
<h3 class="fn"><a name="state"></a><span class="type"><a href="qt.html#TouchPointState-enum">Qt::TouchPointState</a></span> TouchPoint::<span class="name">state</span> () const</h3>
<p>Returns the current state of this touch point.</p>
<!-- @@@state -->
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