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<div class="title">QwtCompassWindArrow Class Reference</div> </div>
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<p>An indicator for the wind direction.
<a href="class_qwt_compass_wind_arrow.html#details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__dial__needle_8h_source.html">qwt_dial_needle.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for QwtCompassWindArrow:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_compass_wind_arrow__inherit__graph.png" border="0" usemap="#_qwt_compass_wind_arrow_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_compass_wind_arrow_inherit__map" id="_qwt_compass_wind_arrow_inherit__map">
<area shape="rect" id="node2" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial. " alt="" coords="33,5,147,32"/>
</map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a55f11e28c9d87c0fb7c306ccd174f2a8"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">Style</a> { <a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc">Style1</a>,
<a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8a44a462b3f0fa85bf3fa8dc421484e529">Style2</a>
}</td></tr>
<tr class="memdesc:a55f11e28c9d87c0fb7c306ccd174f2a8"><td class="mdescLeft"> </td><td class="mdescRight">Style of the arrow. <a href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">More...</a><br /></td></tr>
<tr class="separator:a55f11e28c9d87c0fb7c306ccd174f2a8"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a1b5931f43dd7e72fc5a3e2c9b509769d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#a1b5931f43dd7e72fc5a3e2c9b509769d">QwtCompassWindArrow</a> (<a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">Style</a>, const QColor &light=Qt::white, const QColor &dark=Qt::gray)</td></tr>
<tr class="separator:a1b5931f43dd7e72fc5a3e2c9b509769d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_qwt_dial_needle"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_dial_needle')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_dial_needle.html">QwtDialNeedle</a></td></tr>
<tr class="memitem:aef3af79632ce784bc4d7332f6e269a1f inherit pub_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top"><a id="aef3af79632ce784bc4d7332f6e269a1f"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">QwtDialNeedle</a> ()</td></tr>
<tr class="memdesc:aef3af79632ce784bc4d7332f6e269a1f inherit pub_methods_class_qwt_dial_needle"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:aef3af79632ce784bc4d7332f6e269a1f inherit pub_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac23b2af4af50042967c8cea87b474247 inherit pub_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top"><a id="ac23b2af4af50042967c8cea87b474247"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">~QwtDialNeedle</a> ()</td></tr>
<tr class="memdesc:ac23b2af4af50042967c8cea87b474247 inherit pub_methods_class_qwt_dial_needle"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:ac23b2af4af50042967c8cea87b474247 inherit pub_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae850883a64501136bca64d6ea2d084b9 inherit pub_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a> (const QPalette &)</td></tr>
<tr class="separator:ae850883a64501136bca64d6ea2d084b9 inherit pub_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad4c32d58f2b8e77fd66e0dfc66b7c37a inherit pub_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top">const QPalette & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ad4c32d58f2b8e77fd66e0dfc66b7c37a">palette</a> () const</td></tr>
<tr class="separator:ad4c32d58f2b8e77fd66e0dfc66b7c37a inherit pub_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3b437180b9f4085485a6003d211f6efa inherit pub_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a3b437180b9f4085485a6003d211f6efa">draw</a> (QPainter *painter, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const</td></tr>
<tr class="separator:a3b437180b9f4085485a6003d211f6efa inherit pub_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a91977dd1ec99cb874b1a83070d99f2f5"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#a91977dd1ec99cb874b1a83070d99f2f5">drawNeedle</a> (QPainter *, double length, QPalette::ColorGroup) const</td></tr>
<tr class="separator:a91977dd1ec99cb874b1a83070d99f2f5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pro_methods_class_qwt_dial_needle"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_qwt_dial_needle')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="class_qwt_dial_needle.html">QwtDialNeedle</a></td></tr>
<tr class="memitem:a769a895b3fefd851b44021ca118f2422 inherit pro_methods_class_qwt_dial_needle"><td class="memItemLeft" align="right" valign="top"><a id="a769a895b3fefd851b44021ca118f2422"></a>
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a769a895b3fefd851b44021ca118f2422">drawKnob</a> (QPainter *, double width, const QBrush &, bool sunken) const</td></tr>
<tr class="memdesc:a769a895b3fefd851b44021ca118f2422 inherit pro_methods_class_qwt_dial_needle"><td class="mdescLeft"> </td><td class="mdescRight">Draw the knob. <br /></td></tr>
<tr class="separator:a769a895b3fefd851b44021ca118f2422 inherit pro_methods_class_qwt_dial_needle"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>An indicator for the wind direction. </p>
<p><a class="el" href="class_qwt_compass_wind_arrow.html" title="An indicator for the wind direction. ">QwtCompassWindArrow</a> shows the direction where the wind comes from.</p>
<ul>
<li>QPalette::Light<br />
Used for Style1, or the light half of Style2</li>
<li>QPalette::Dark<br />
Used for the dark half of Style2</li>
</ul>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control. ">QwtDial</a>, <a class="el" href="class_qwt_compass.html" title="A Compass Widget. ">QwtCompass</a> </dd></dl>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a55f11e28c9d87c0fb7c306ccd174f2a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a55f11e28c9d87c0fb7c306ccd174f2a8">◆ </a></span>Style</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">QwtCompassWindArrow::Style</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Style of the arrow. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a55f11e28c9d87c0fb7c306ccd174f2a8a62b689f03b4e974660ce1241942b09fc"></a>Style1 </td><td class="fielddoc"><p>A needle pointing to the center. </p>
</td></tr>
<tr><td class="fieldname"><a id="a55f11e28c9d87c0fb7c306ccd174f2a8a44a462b3f0fa85bf3fa8dc421484e529"></a>Style2 </td><td class="fielddoc"><p>A needle pointing to the center. </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a1b5931f43dd7e72fc5a3e2c9b509769d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1b5931f43dd7e72fc5a3e2c9b509769d">◆ </a></span>QwtCompassWindArrow()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QwtCompassWindArrow::QwtCompassWindArrow </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_compass_wind_arrow.html#a55f11e28c9d87c0fb7c306ccd174f2a8">Style</a> </td>
<td class="paramname"><em>style</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QColor & </td>
<td class="paramname"><em>light</em> = <code>Qt::white</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QColor & </td>
<td class="paramname"><em>dark</em> = <code>Qt::gray</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Constructor</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">style</td><td>Arrow style </td></tr>
<tr><td class="paramname">light</td><td>Light color </td></tr>
<tr><td class="paramname">dark</td><td>Dark color </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a91977dd1ec99cb874b1a83070d99f2f5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a91977dd1ec99cb874b1a83070d99f2f5">◆ </a></span>drawNeedle()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void QwtCompassWindArrow::drawNeedle </td>
<td>(</td>
<td class="paramtype">QPainter * </td>
<td class="paramname"><em>painter</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>length</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">QPalette::ColorGroup </td>
<td class="paramname"><em>colorGroup</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Draw the needle</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">painter</td><td>Painter </td></tr>
<tr><td class="paramname">length</td><td>Length of the needle </td></tr>
<tr><td class="paramname">colorGroup</td><td>Color group, used for painting </td></tr>
</table>
</dd>
</dl>
<p>Implements <a class="el" href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">QwtDialNeedle</a>.</p>
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