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<title>Qwt User's Guide: QwtCompassMagnetNeedle Class Reference</title>
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<h1>QwtCompassMagnetNeedle Class Reference</h1><!-- doxytag: class="QwtCompassMagnetNeedle" --><!-- doxytag: inherits="QwtDialNeedle" -->Inheritance diagram for QwtCompassMagnetNeedle:<p><center><img src="class_qwt_compass_magnet_needle__inherit__graph.png" border="0" usemap="#_qwt_compass_magnet_needle__inherit__map" alt="Inheritance graph"></center>
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<map name="_qwt_compass_magnet_needle__inherit__map">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtCompassMagnetNeedle:<p><center><img src="class_qwt_compass_magnet_needle__coll__graph.png" border="0" usemap="#_qwt_compass_magnet_needle__coll__map" alt="Collaboration graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_compass_magnet_needle-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
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A magnet needle for compass widgets.
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A magnet needle points to two opposite directions indicating north and south.<p>
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The following colors are used:<ul>
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<li>QColorGroup::Light<br>
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Used for pointing south</li><li>QColorGroup::Dark<br>
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Used for pointing north</li><li>QColorGroup::Base<br>
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Knob (ThinStyle only)</li></ul>
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<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>
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Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00125">125</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">
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">Style</a> { <br>
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<b>TriangleStyle</b>,
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<b>ThinStyle</b>
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#3422e6490d44c527289bafdcceecd741">QwtCompassMagnetNeedle</a> (<a class="el" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">Style</a>=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#5f70372a381eb8953728def1a5cb8bc2">draw</a> (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const </td></tr>
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<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#e26a1879af72e9b553b2a6c85afe0ca1">drawTriangleNeedle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#786b21adb5d427b35be554eeafcce06c">drawThinNeedle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)</td></tr>
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<tr><td colspan="2"><br><h2>Static Protected Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_compass_magnet_needle.html#d8ca9ebf795e69c1058b00f1c00c5963">drawPointer</a> (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, int length, int width, double direction)</td></tr>
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<hr><h2>Member Enumeration Documentation</h2>
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<a class="anchor" name="ee1d882c6ec8b680b94b59b5710a92a5"></a><!-- doxytag: member="QwtCompassMagnetNeedle::Style" ref="ee1d882c6ec8b680b94b59b5710a92a5" args="" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">enum <a class="el" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">QwtCompassMagnetNeedle::Style</a> </td>
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<table cellspacing="5" cellpadding="0" border="0">
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Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00129">129</a> of file <a class="el" href="qwt__dial__needle_8h-source.html">qwt_dial_needle.h</a>. </td>
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<hr><h2>Constructor & Destructor Documentation</h2>
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<a class="anchor" name="3422e6490d44c527289bafdcceecd741"></a><!-- doxytag: member="QwtCompassMagnetNeedle::QwtCompassMagnetNeedle" ref="3422e6490d44c527289bafdcceecd741" args="(Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">QwtCompassMagnetNeedle::QwtCompassMagnetNeedle </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top"><a class="el" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">Style</a> </td>
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<td class="mdname" nowrap> = <code>TriangleStyle</code>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QColor & </td>
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<td class="mdname" nowrap> <em>light</em> = <code>Qt::white</code>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QColor & </td>
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<td class="mdname" nowrap> <em>dark</em> = <code>Qt::red</code></td>
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<td class="md">) </td>
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<td class="md" colspan="2"></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00265">265</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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References <a class="el" href="qwt__dial__needle_8cpp-source.html#l00048">QwtDialNeedle::palette()</a>. </td>
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="5f70372a381eb8953728def1a5cb8bc2"></a><!-- doxytag: member="QwtCompassMagnetNeedle::draw" ref="5f70372a381eb8953728def1a5cb8bc2" args="(QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtCompassMagnetNeedle::draw </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">QPainter * </td>
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<td class="mdname" nowrap> <em>painter</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPoint & </td>
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<td class="mdname" nowrap> <em>center</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>length</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>double </td>
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<td class="mdname" nowrap> <em>direction</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>QPalette::ColorGroup </td>
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<td class="mdname" nowrap> <em>colorGroup</em> = <code>QPalette::Active</code></td>
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<td class="md">) </td>
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<td class="md" colspan="2"> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>painter</em> </td><td>Painter </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>center</em> </td><td>Center of the dial, start position for the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>Length of the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>direction</em> </td><td>Direction of the needle, in degrees counter clockwise </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>colorGroup</em> </td><td>Color group, used for painting </td></tr>
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Implements <a class="el" href="class_qwt_dial_needle.html#6076eecfa9fc39235435d098cf146a2c">QwtDialNeedle</a>.
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00292">292</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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References <a class="el" href="qwt__dial__needle_8cpp-source.html#l00383">drawThinNeedle()</a>, <a class="el" href="qwt__dial__needle_8cpp-source.html#l00317">drawTriangleNeedle()</a>, and <a class="el" href="qwt__dial__needle_8cpp-source.html#l00048">QwtDialNeedle::palette()</a>. </td>
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<a class="anchor" name="d8ca9ebf795e69c1058b00f1c00c5963"></a><!-- doxytag: member="QwtCompassMagnetNeedle::drawPointer" ref="d8ca9ebf795e69c1058b00f1c00c5963" args="(QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, int length, int width, double direction)" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtCompassMagnetNeedle::drawPointer </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">QPainter * </td>
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<td class="mdname" nowrap> <em>painter</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QBrush & </td>
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<td class="mdname" nowrap> <em>brush</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>colorOffset</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPoint & </td>
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<td class="mdname" nowrap> <em>center</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>length</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>width</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>double </td>
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<td class="mdname" nowrap> <em>direction</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"><code> [static, protected]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Draw a compass needle<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>painter</em> </td><td>Painter </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>brush</em> </td><td>Brush </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>colorOffset</em> </td><td>Color offset </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>center</em> </td><td>Center, where the needle starts </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>Length of the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>width</em> </td><td>Width of the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>direction</em> </td><td>Direction </td></tr>
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00419">419</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00383">drawThinNeedle()</a>. </td>
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<a class="anchor" name="786b21adb5d427b35be554eeafcce06c"></a><!-- doxytag: member="QwtCompassMagnetNeedle::drawThinNeedle" ref="786b21adb5d427b35be554eeafcce06c" args="(QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtCompassMagnetNeedle::drawThinNeedle </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">QPainter * </td>
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<td class="mdname" nowrap> <em>painter</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPalette & </td>
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<td class="mdname" nowrap> <em>palette</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>QPalette::ColorGroup </td>
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<td class="mdname" nowrap> <em>colorGroup</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPoint & </td>
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<td class="mdname" nowrap> <em>center</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>length</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>double </td>
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<td class="mdname" nowrap> <em>direction</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"><code> [static]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Draw a compass needle<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>painter</em> </td><td>Painter </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>palette</em> </td><td>Palette </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>colorGroup</em> </td><td>Color group </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>center</em> </td><td>Center, where the needle starts </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>Length of the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>direction</em> </td><td>Direction </td></tr>
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00383">383</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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References <a class="el" href="qwt__dial__needle_8cpp-source.html#l00054">QwtDialNeedle::drawKnob()</a>, and <a class="el" href="qwt__dial__needle_8cpp-source.html#l00419">drawPointer()</a>.
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Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00292">draw()</a>. </td>
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<a class="anchor" name="e26a1879af72e9b553b2a6c85afe0ca1"></a><!-- doxytag: member="QwtCompassMagnetNeedle::drawTriangleNeedle" ref="e26a1879af72e9b553b2a6c85afe0ca1" args="(QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtCompassMagnetNeedle::drawTriangleNeedle </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">QPainter * </td>
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<td class="mdname" nowrap> <em>painter</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPalette & </td>
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<td class="mdname" nowrap> <em>palette</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>QPalette::ColorGroup </td>
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<td class="mdname" nowrap> <em>colorGroup</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QPoint & </td>
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<td class="mdname" nowrap> <em>center</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>length</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>double </td>
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<td class="mdname" nowrap> <em>direction</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"><code> [static]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Draw a compass needle<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>painter</em> </td><td>Painter </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>palette</em> </td><td>Palette </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>colorGroup</em> </td><td>Color group </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>center</em> </td><td>Center, where the needle starts </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>Length of the needle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>direction</em> </td><td>Direction </td></tr>
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00317">317</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00292">draw()</a>. </td>
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<hr size="1"><address style="align: right;"><small>Generated on Mon Jun 11 07:41:52 2007 for Qwt User's Guide by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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