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<title>Qwt User's Guide: QwtDialSimpleNeedle Class Reference</title>
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<h1>QwtDialSimpleNeedle Class Reference</h1><!-- doxytag: class="QwtDialSimpleNeedle" --><!-- doxytag: inherits="QwtDialNeedle" -->Inheritance diagram for QwtDialSimpleNeedle:<p><center><img src="class_qwt_dial_simple_needle__inherit__graph.png" border="0" usemap="#_qwt_dial_simple_needle__inherit__map" alt="Inheritance graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtDialSimpleNeedle:<p><center><img src="class_qwt_dial_simple_needle__coll__graph.png" border="0" usemap="#_qwt_dial_simple_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_dial_simple_needle-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
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A needle for dial widgets.
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The following colors are used:<ul>
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<li>QColorGroup::Mid<br>
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Pointer</li><li>QColorGroup::base<br>
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<dl class="see" 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#l00073">73</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_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">Style</a> { <br>
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<b>Arrow</b>,
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<b>Ray</b>,
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<b>TriangleStyle</b>,
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<b>ThinStyle</b>,
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<b>Style1</b>,
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<b>Style2</b>,
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<b>NoSymbol</b> = -1,
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<b>Ellipse</b>,
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<b>Rect</b>,
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<b>Diamond</b>,
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<b>Triangle</b>,
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<b>DTriangle</b>,
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<b>UTriangle</b>,
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<b>LTriangle</b>,
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<b>RTriangle</b>,
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<b>Cross</b>,
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<b>XCross</b>,
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<b>HLine</b>,
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<b>VLine</b>,
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<b>Star1</b>,
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<b>Star2</b>,
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<b>Hexagon</b>,
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<b>StyleCnt</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_dial_simple_needle.html#5f16b9298ecd293360a3ccf91d3dbfbb">QwtDialSimpleNeedle</a> (<a class="el" href="class_qwt_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">Style</a>, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray)</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_dial_simple_needle.html#acb6bbf51bf4423e3427cf663f33a232">draw</a> (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_simple_needle.html#525658d03e8b7c9a65e6d5c47d1fc1dc">setWidth</a> (int width)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_simple_needle.html#0978214c43cd9789c1fe9d522bb940fd">width</a> () 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_dial_simple_needle.html#d3e9c22e350ccd7aa644297cae7f1d4d">drawArrowNeedle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, int width, double direction, bool hasKnob)</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_dial_simple_needle.html#950a42df6b62f7a03af73c2e38850df7">drawRayNeedle</a> (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, int width, double direction, bool hasKnob)</td></tr>
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<hr><h2>Member Enumeration Documentation</h2>
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<a class="anchor" name="d28821489e04f1fd942e5bebc8a60584"></a><!-- doxytag: member="QwtDialSimpleNeedle::Style" ref="d28821489e04f1fd942e5bebc8a60584" args="" -->
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<td class="memname">enum <a class="el" href="class_qwt_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">QwtDialSimpleNeedle::Style</a> </td>
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Definition at line <a class="el" href="qwt__dial__needle_8h-source.html#l00077">77</a> of file <a class="el" href="qwt__dial__needle_8h-source.html">qwt_dial_needle.h</a>.
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<hr><h2>Constructor & Destructor Documentation</h2>
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<a class="anchor" name="5f16b9298ecd293360a3ccf91d3dbfbb"></a><!-- doxytag: member="QwtDialSimpleNeedle::QwtDialSimpleNeedle" ref="5f16b9298ecd293360a3ccf91d3dbfbb" args="(Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray)" -->
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<td class="memname">QwtDialSimpleNeedle::QwtDialSimpleNeedle </td>
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<td class="paramtype"><a class="el" href="class_qwt_dial_simple_needle.html#d28821489e04f1fd942e5bebc8a60584">Style</a> </td>
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<td class="paramname"> <em>style</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">bool </td>
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<td class="paramname"> <em>hasKnob</em> = <code>true</code>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QColor & </td>
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<td class="paramname"> <em>mid</em> = <code>Qt::gray</code>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QColor & </td>
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<td class="paramname"> <em>base</em> = <code>Qt::darkGray</code></td><td> </td>
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<td></td><td></td><td width="100%"></td>
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00091">91</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>, and <a class="el" href="qwt__dial__needle_8cpp-source.html#l00040">QwtDialNeedle::setPalette()</a>.
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="acb6bbf51bf4423e3427cf663f33a232"></a><!-- doxytag: member="QwtDialSimpleNeedle::draw" ref="acb6bbf51bf4423e3427cf663f33a232" args="(QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const" -->
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<td class="memname">void QwtDialSimpleNeedle::draw </td>
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<td class="paramtype">QPainter * </td>
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<td class="paramname"> <em>painter</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QPoint & </td>
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<td class="paramname"> <em>center</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>length</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
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<td class="paramname"> <em>direction</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">QPalette::ColorGroup </td>
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<td class="paramname"> <em>colorGroup</em> = <code>QPalette::Active</code></td><td> </td>
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<td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
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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#d38b1e7d9ef0bf012f8f1b21b0972cc9">QwtDialNeedle</a>.
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00132">132</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#l00202">drawArrowNeedle()</a>, <a class="el" href="qwt__dial__needle_8cpp-source.html#l00150">drawRayNeedle()</a>, and <a class="el" href="qwt__dial__needle_8cpp-source.html#l00048">QwtDialNeedle::palette()</a>.
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<a class="anchor" name="d3e9c22e350ccd7aa644297cae7f1d4d"></a><!-- doxytag: member="QwtDialSimpleNeedle::drawArrowNeedle" ref="d3e9c22e350ccd7aa644297cae7f1d4d" args="(QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, int width, double direction, bool hasKnob)" -->
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<td class="memname">void QwtDialSimpleNeedle::drawArrowNeedle </td>
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<td class="paramtype">QPainter * </td>
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<td class="paramname"> <em>painter</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QPalette & </td>
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<td class="paramname"> <em>palette</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">QPalette::ColorGroup </td>
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<td class="paramname"> <em>colorGroup</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QPoint & </td>
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<td class="paramname"> <em>center</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>length</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>width</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
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<td class="paramname"> <em>direction</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">bool </td>
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<td class="paramname"> <em>hasKnob</em></td><td> </td>
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<td></td><td></td><td width="100%"><code> [static]</code></td>
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Draw a needle looking like an arrow
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00202">202</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>.
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Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00132">draw()</a>.
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<a class="anchor" name="950a42df6b62f7a03af73c2e38850df7"></a><!-- doxytag: member="QwtDialSimpleNeedle::drawRayNeedle" ref="950a42df6b62f7a03af73c2e38850df7" args="(QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, int width, double direction, bool hasKnob)" -->
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<td class="memname">void QwtDialSimpleNeedle::drawRayNeedle </td>
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<td class="paramtype">QPainter * </td>
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<td class="paramname"> <em>painter</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const QPalette & </td>
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<td class="paramname"> <em>palette</em>, </td>
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<td class="paramtype">QPalette::ColorGroup </td>
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<td class="paramname"> <em>colorGroup</em>, </td>
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<td class="paramtype">const QPoint & </td>
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<td class="paramname"> <em>center</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>length</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>width</em>, </td>
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<td class="paramtype">double </td>
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<td class="paramname"> <em>direction</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">bool </td>
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<td class="paramname"> <em>hasKnob</em></td><td> </td>
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<td></td><td></td><td width="100%"><code> [static]</code></td>
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Draw a needle looking like a ray
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00150">150</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>.
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Referenced by <a class="el" href="qwt__dial__needle_8cpp-source.html#l00132">draw()</a>.
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<a class="anchor" name="525658d03e8b7c9a65e6d5c47d1fc1dc"></a><!-- doxytag: member="QwtDialSimpleNeedle::setWidth" ref="525658d03e8b7c9a65e6d5c47d1fc1dc" args="(int width)" -->
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<td class="memname">void QwtDialSimpleNeedle::setWidth </td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>width</em> </td>
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<td> ) </td>
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Set the width of the needle.
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00110">110</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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<a class="anchor" name="0978214c43cd9789c1fe9d522bb940fd"></a><!-- doxytag: member="QwtDialSimpleNeedle::width" ref="0978214c43cd9789c1fe9d522bb940fd" args="() const" -->
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<td class="memname">int QwtDialSimpleNeedle::width </td>
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<td> ) </td>
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<td width="100%"> const</td>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>the width of the needle </dd></dl>
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Definition at line <a class="el" href="qwt__dial__needle_8cpp-source.html#l00118">118</a> of file <a class="el" href="qwt__dial__needle_8cpp-source.html">qwt_dial_needle.cpp</a>.
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<hr size="1"><address style="align: right;"><small>Generated on Sun Mar 22 16:54:31 2009 for Qwt User's Guide by
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