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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Qwt User's Guide: QwtCompassWindArrow Class Reference</title>
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<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div>
<h1>QwtCompassWindArrow Class Reference</h1>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="37,18,138,42" 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="37,18,138,42" 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>
QwtCompassWindArrow 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>
Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00165">165</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><b>Style</b> { <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#a0">QwtCompassWindArrow</a> (Style, 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#a1">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>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_compass_wind_arrow.html#e0">drawStyle1Needle</a> (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_qwt_compass_wind_arrow.html#e1">drawStyle2Needle</a> (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)</td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="a0" doxytag="QwtCompassWindArrow::QwtCompassWindArrow" ></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> QwtCompassWindArrow::QwtCompassWindArrow </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">Style </td>
<td class="mdname" nowrap>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></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></td>
<td class="md" nowrap>const QColor & </td>
<td class="mdname" nowrap> <em>dark</em> = <code>Qt::gray</code></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Constructor.
<p>
Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00437">437</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#l00033">QwtDialNeedle::setPalette()</a>. </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a1" doxytag="QwtCompassWindArrow::draw" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<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></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></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></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></td>
<td class="md" nowrap>QPalette::ColorGroup </td>
<td class="mdname" nowrap> <em>cg</em> = <code>QPalette::Active</code></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Draw the needle<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>painter</em> </td><td>Painter </td></tr>
<tr><td></td><td valign=top><em>center</em> </td><td>Center of the dial, start position for the needle </td></tr>
<tr><td></td><td valign=top><em>length</em> </td><td>Length of the needle </td></tr>
<tr><td></td><td valign=top><em>direction</em> </td><td>Direction of the needle, in degrees counter clockwise </td></tr>
<tr><td></td><td valign=top><em>cg</em> </td><td>Color group, used for painting </td></tr>
</table>
</dl>
<p>
Implements <a class="el" href="class_qwt_dial_needle.html#a2">QwtDialNeedle</a>.
<p>
Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00462">462</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#l00085">QwtDialNeedle::colorGroup()</a>, <a class="el" href="qwt__dial__needle_8cpp-source.html#l00480">drawStyle1Needle()</a>, and <a class="el" href="qwt__dial__needle_8cpp-source.html#l00508">drawStyle2Needle()</a>. </td>
</tr>
</table>
<a class="anchor" name="e0" doxytag="QwtCompassWindArrow::drawStyle1Needle" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void QwtCompassWindArrow::drawStyle1Needle </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></td>
<td class="md" nowrap>const QColorGroup & </td>
<td class="mdname" nowrap> <em>cg</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></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></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></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>direction</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Draw a compass needle Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00480">480</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00462">draw()</a>. </td>
</tr>
</table>
<a class="anchor" name="e1" doxytag="QwtCompassWindArrow::drawStyle2Needle" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void QwtCompassWindArrow::drawStyle2Needle </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></td>
<td class="md" nowrap>const QColorGroup & </td>
<td class="mdname" nowrap> <em>cg</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></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></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></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>direction</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Draw a compass needle Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00508">508</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00462">draw()</a>. </td>
</tr>
</table>
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