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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: QwtCompassWindArrow Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li id="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>QwtCompassWindArrow Class Reference</h1><!-- doxytag: class="QwtCompassWindArrow" --><!-- doxytag: inherits="QwtDialNeedle" -->Inheritance diagram for QwtCompassWindArrow:<p><center><img src="class_qwt_compass_wind_arrow__inherit__graph.png" border="0" usemap="#_qwt_compass_wind_arrow__inherit__map" alt="Inheritance graph"></center><map name="_qwt_compass_wind_arrow__inherit__map"><area href="class_qwt_dial_needle.html" shape="rect" coords="35,8,144,32" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtCompassWindArrow:<p><center><img src="class_qwt_compass_wind_arrow__coll__graph.png" border="0" usemap="#_qwt_compass_wind_arrow__coll__map" alt="Collaboration graph"></center><map name="_qwt_compass_wind_arrow__coll__map"><area href="class_qwt_dial_needle.html" shape="rect" coords="35,8,144,32" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_compass_wind_arrow-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>An indicator for the wind direction. <p><a class="el" href="class_qwt_compass_wind_arrow.html">QwtCompassWindArrow</a> shows the direction where the wind comes from.<p><ul><li>QColorGroup::Light<br> Used for Style1, or the light half of Style2</li><li>QColorGroup::Dark<br> Used for the dark half of Style2</li></ul><p><dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_dial.html">QwtDial</a>, <a class="el" href="class_qwt_compass.html">QwtCompass</a> </dd></dl><p><p>Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00170">170</a> of file <a class="el" href="qwt__dial__needle_8h-source.html">qwt_dial_needle.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Types</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">Style</a> { <br> <b>Style1</b>, <br> <b>Style2</b><br> }</td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#1b5931f43dd7e72fc5a3e2c9b509769d">QwtCompassWindArrow</a> (<a class="el" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">Style</a>, const QColor &light=Qt::white, const QColor &dark=Qt::gray)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#a3a2d79d2934205501a92a9c198e3d8a">draw</a> (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const </td></tr><tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#7a018acb636eec2c3f2d4793c0bfa033">drawStyle1Needle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_wind_arrow.html#c326fcaae96d7752c48152e5d7260f62">drawStyle2Needle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)</td></tr></table><hr><h2>Member Enumeration Documentation</h2><a class="anchor" name="55f11e28c9d87c0fb7c306ccd174f2a8"></a><!-- doxytag: member="QwtCompassWindArrow::Style" ref="55f11e28c9d87c0fb7c306ccd174f2a8" args="" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">enum <a class="el" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">QwtCompassWindArrow::Style</a> </td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Style of the arrow. <p><p>Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00174">174</a> of file <a class="el" href="qwt__dial__needle_8h-source.html">qwt_dial_needle.h</a>. </td> </tr></table><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="1b5931f43dd7e72fc5a3e2c9b509769d"></a><!-- doxytag: member="QwtCompassWindArrow::QwtCompassWindArrow" ref="1b5931f43dd7e72fc5a3e2c9b509769d" args="(Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">QwtCompassWindArrow::QwtCompassWindArrow </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="class_qwt_compass_wind_arrow.html#55f11e28c9d87c0fb7c306ccd174f2a8">Style</a> </td> <td class="mdname" nowrap> <em>style</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QColor & </td> <td class="mdname" nowrap> <em>light</em> = <code>Qt::white</code>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QColor & </td> <td class="mdname" nowrap> <em>dark</em> = <code>Qt::gray</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Constructor<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>style</em> </td><td>Arrow style </td></tr> <tr><td valign="top"></td><td valign="top"><em>light</em> </td><td>Light color </td></tr> <tr><td valign="top"></td><td valign="top"><em>dark</em> </td><td>Dark color </td></tr> </table></dl><p>Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00467">467</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.<p>References <a class="el" href="qwt__dial__needle_8cpp-source.html#l00048">QwtDialNeedle::palette()</a>. </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="a3a2d79d2934205501a92a9c198e3d8a"></a><!-- doxytag: member="QwtCompassWindArrow::draw" ref="a3a2d79d2934205501a92a9c198e3d8a" args="(QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const " --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void QwtCompassWindArrow::draw </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">QPainter * </td> <td class="mdname" nowrap> <em>painter</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const QPoint & </td> <td class="mdname" nowrap> <em>center</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>int </td> <td class="mdname" nowrap> <em>length</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>double </td> <td class="mdname" nowrap> <em>direction</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>QPalette::ColorGroup </td> <td class="mdname" nowrap> <em>colorGroup</em> = <code>QPalette::Active</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"> const<code> [virtual]</code></td> </tr>⌨️ 快捷键说明
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