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  • Committer: Bazaar Package Importer
  • Author(s): Fathi Boudra
  • Date: 2008-05-26 10:26:31 UTC
  • mfrom: (1.1.3 upstream) (2.1.1 lenny)
  • Revision ID: james.westby@ubuntu.com-20080526102631-bp95mfccnrb957nx
Tags: 5.1.1-1
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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<title>Qwt User&apos;s Guide: QwtRoundScaleDraw Class Reference</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<link href="tabs.css" rel="stylesheet" type="text/css">
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</head><body>
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<!-- Generated by Doxygen 1.5.0 -->
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<div class="tabs">
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  <ul>
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    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
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    <li id="current"><a href="classes.html"><span>Classes</span></a></li>
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    <li><a href="files.html"><span>Files</span></a></li>
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    <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
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<div class="tabs">
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  <ul>
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    <li><a href="classes.html"><span>Alphabetical&nbsp;List</span></a></li>
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    <li><a href="annotated.html"><span>Class&nbsp;List</span></a></li>
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    <li><a href="hierarchy.html"><span>Class&nbsp;Hierarchy</span></a></li>
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    <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
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  </ul></div>
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<h1>QwtRoundScaleDraw Class Reference</h1><!-- doxytag: class="QwtRoundScaleDraw" --><!-- doxytag: inherits="QwtAbstractScaleDraw" -->Inheritance diagram for QwtRoundScaleDraw:<p><center><img src="class_qwt_round_scale_draw__inherit__graph.png" border="0" usemap="#_qwt_round_scale_draw__inherit__map" alt="Inheritance graph"></center>
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<map name="_qwt_round_scale_draw__inherit__map">
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<area href="class_qwt_dial_scale_draw.html" shape="rect" coords="19,157,152,181" alt="">
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<area href="class_qwt_abstract_scale_draw.html" shape="rect" coords="7,8,164,32" alt="">
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</map>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtRoundScaleDraw:<p><center><img src="class_qwt_round_scale_draw__coll__graph.png" border="0" usemap="#_qwt_round_scale_draw__coll__map" alt="Collaboration graph"></center>
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<map name="_qwt_round_scale_draw__coll__map">
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<area href="class_qwt_abstract_scale_draw.html" shape="rect" coords="7,8,164,32" alt="">
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</map>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_round_scale_draw-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
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A class for drawing round scales. 
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<p>
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<a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> can be used to draw round scales. The circle segment can be adjusted by <a class="el" href="class_qwt_round_scale_draw.html#5d85678fdb9fbb4d622425aab9ecc681">QwtRoundScaleDraw::setAngleRange()</a>. The geometry of the scale can be specified with <a class="el" href="class_qwt_round_scale_draw.html#fe2226d225c3d7f50a85a80c86f5eb6e">QwtRoundScaleDraw::moveCenter()</a> and <a class="el" href="class_qwt_round_scale_draw.html#069d658989db2ad96f26b79a298f7d10">QwtRoundScaleDraw::setRadius()</a>.<p>
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After a scale division has been specified as a <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> object using <a class="el" href="class_qwt_abstract_scale_draw.html#4399aac94a294f5ed6c52114dde00d2f">QwtAbstractScaleDraw::setScaleDiv(const QwtScaleDiv &amp;s)</a>, the scale can be drawn with the <a class="el" href="class_qwt_abstract_scale_draw.html#c4442d7480db1288971e7eac15142467">QwtAbstractScaleDraw::draw()</a> member. 
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<p>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8h-source.html#l00032">32</a> of file <a class="el" href="qwt__round__scale__draw_8h-source.html">qwt_round_scale_draw.h</a>.<table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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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">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#9c44d19488567825d826528b701587c8">QwtRoundScaleDraw</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#d6237d352a7004166dacfe644bfc4308">QwtRoundScaleDraw</a> (const <a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp;)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#81583432e629cd8a14524b05fabb4731">~QwtRoundScaleDraw</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#dc6fc2de0c09ea6b70258a129fecac3a">operator=</a> (const <a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp;other)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#069d658989db2ad96f26b79a298f7d10">setRadius</a> (int radius)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#52de381651527d25721576daea310ead">radius</a> () const</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fe2226d225c3d7f50a85a80c86f5eb6e"></a><!-- doxytag: member="QwtRoundScaleDraw::moveCenter" ref="fe2226d225c3d7f50a85a80c86f5eb6e" args="(int x, int y)" -->
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void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#fe2226d225c3d7f50a85a80c86f5eb6e">moveCenter</a> (int x, int y)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#536cdecd6046e4a8434e117c9cd5c180">moveCenter</a> (const QPoint &amp;)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">QPoint&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#8653bb6898adb0d563343cd843559e18">center</a> () const</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#5d85678fdb9fbb4d622425aab9ecc681">setAngleRange</a> (double angle1, double angle2)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#7c357fc6d4c615c1848e696f7fe7912c">extent</a> (const QPen &amp;, const QFont &amp;) const</td></tr>
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<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#58fb1c23cc215724883eb96cbf551b06">drawTick</a> (QPainter *p, double val, int len) const</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#845dc48b006ee168415112f39e80da09">drawBackbone</a> (QPainter *p) const </td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_round_scale_draw.html#35cc3c8f1fe89b27e7bf2d57c7560bd8">drawLabel</a> (QPainter *p, double val) const</td></tr>
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</table>
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<hr><h2>Constructor &amp; Destructor Documentation</h2>
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<a class="anchor" name="9c44d19488567825d826528b701587c8"></a><!-- doxytag: member="QwtRoundScaleDraw::QwtRoundScaleDraw" ref="9c44d19488567825d826528b701587c8" args="()" -->
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          <td class="memname">QwtRoundScaleDraw::QwtRoundScaleDraw           </td>
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          <td>(</td>
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          <td class="paramname">          </td>
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          <td>&nbsp;)&nbsp;</td>
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          <td width="100%"></td>
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<div class="memdoc">
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<p>
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Constructor. 
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<p>
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The range of the scale is initialized to [0, 100], The center is set to (50, 50) with a radius of 50. The angle range is set to [-135, 135]. 
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00046">46</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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<p>
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References <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00132">QwtAbstractScaleDraw::scaleMap()</a>, <a class="el" href="qwt__scale__map_8cpp-source.html#l00180">QwtScaleMap::setPaintInterval()</a>, and <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00084">setRadius()</a>.
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</div>
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</div><p>
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<a class="anchor" name="d6237d352a7004166dacfe644bfc4308"></a><!-- doxytag: member="QwtRoundScaleDraw::QwtRoundScaleDraw" ref="d6237d352a7004166dacfe644bfc4308" args="(const QwtRoundScaleDraw &amp;)" -->
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          <td class="memname">QwtRoundScaleDraw::QwtRoundScaleDraw           </td>
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          <td>(</td>
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          <td class="paramtype">const <a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp;&nbsp;</td>
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          <td class="paramname">          </td>
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          <td>&nbsp;)&nbsp;</td>
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          <td width="100%"></td>
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<div class="memdoc">
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<p>
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Copy constructor. 
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<p>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00055">55</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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<p>
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References <a class="el" href="qwt__round__scale__draw_8h-source.html#l00059">d_data</a>.
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</div>
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</div><p>
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<a class="anchor" name="81583432e629cd8a14524b05fabb4731"></a><!-- doxytag: member="QwtRoundScaleDraw::~QwtRoundScaleDraw" ref="81583432e629cd8a14524b05fabb4731" args="()" -->
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          <td class="memname">QwtRoundScaleDraw::~QwtRoundScaleDraw           </td>
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          <td>(</td>
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          <td class="paramname">          </td>
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          <td>&nbsp;)&nbsp;</td>
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          <td width="100%"><code> [virtual]</code></td>
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<div class="memdoc">
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<p>
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Destructor. 
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<p>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00063">63</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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</div>
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</div><p>
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="dc6fc2de0c09ea6b70258a129fecac3a"></a><!-- doxytag: member="QwtRoundScaleDraw::operator=" ref="dc6fc2de0c09ea6b70258a129fecac3a" args="(const QwtRoundScaleDraw &amp;other)" -->
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          <td class="memname"><a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp; QwtRoundScaleDraw::operator=           </td>
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          <td>(</td>
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          <td class="paramtype">const <a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a> &amp;&nbsp;</td>
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          <td class="paramname"> <em>other</em>          </td>
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          <td>&nbsp;)&nbsp;</td>
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Assignment operator. 
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<p>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00069">69</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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<p>
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References <a class="el" href="qwt__round__scale__draw_8h-source.html#l00059">d_data</a>.
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</div>
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</div><p>
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<a class="anchor" name="069d658989db2ad96f26b79a298f7d10"></a><!-- doxytag: member="QwtRoundScaleDraw::setRadius" ref="069d658989db2ad96f26b79a298f7d10" args="(int radius)" -->
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          <td class="memname">void QwtRoundScaleDraw::setRadius           </td>
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          <td>(</td>
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          <td class="paramtype">int&nbsp;</td>
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          <td class="paramname"> <em>radius</em>          </td>
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          <td>&nbsp;)&nbsp;</td>
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<p>
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Change of radius the scale<p>
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Radius is the radius of the backbone without ticks and labels.<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>radius</em>&nbsp;</td><td>New Radius </td></tr>
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  </table>
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</dl>
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#fe2226d225c3d7f50a85a80c86f5eb6e">moveCenter</a> </dd></dl>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00084">84</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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<p>
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Referenced by <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00046">QwtRoundScaleDraw()</a>.
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</div>
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</div><p>
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<a class="anchor" name="52de381651527d25721576daea310ead"></a><!-- doxytag: member="QwtRoundScaleDraw::radius" ref="52de381651527d25721576daea310ead" args="() const" -->
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          <td class="memname">int QwtRoundScaleDraw::radius           </td>
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          <td>(</td>
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          <td class="paramname">          </td>
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          <td>&nbsp;)&nbsp;</td>
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          <td width="100%"> const</td>
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<p>
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Get the radius<p>
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Radius is the radius of the backbone without ticks and labels.<p>
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#069d658989db2ad96f26b79a298f7d10">setRadius()</a>, <a class="el" href="class_qwt_round_scale_draw.html#7c357fc6d4c615c1848e696f7fe7912c">extent()</a> </dd></dl>
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<p>
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Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00096">96</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
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<p>
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Referenced by <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00239">drawBackbone()</a>, <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00160">drawLabel()</a>, and <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00205">drawTick()</a>.
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</div>
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</div><p>
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<a class="anchor" name="536cdecd6046e4a8434e117c9cd5c180"></a><!-- doxytag: member="QwtRoundScaleDraw::moveCenter" ref="536cdecd6046e4a8434e117c9cd5c180" args="(const QPoint &amp;)" -->
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          <td class="memname">void QwtRoundScaleDraw::moveCenter           </td>
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          <td>(</td>
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          <td class="paramtype">const QPoint &amp;&nbsp;</td>
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          <td class="paramname"> <em>center</em>          </td>
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          <td>&nbsp;)&nbsp;</td>
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          <td width="100%"></td>
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      </table>
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<div class="memdoc">
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<p>
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Move the center of the scale draw, leaving the radius unchanged<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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  <table border="0" cellspacing="2" cellpadding="0">
253
 
    <tr><td valign="top"></td><td valign="top"><em>center</em>&nbsp;</td><td>New center </td></tr>
254
 
  </table>
255
 
</dl>
256
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#069d658989db2ad96f26b79a298f7d10">setRadius</a> </dd></dl>
257
 
 
258
 
<p>
259
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00107">107</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
260
 
</div>
261
 
</div><p>
262
 
<a class="anchor" name="8653bb6898adb0d563343cd843559e18"></a><!-- doxytag: member="QwtRoundScaleDraw::center" ref="8653bb6898adb0d563343cd843559e18" args="() const" -->
263
 
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264
 
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        <tr>
267
 
          <td class="memname">QPoint QwtRoundScaleDraw::center           </td>
268
 
          <td>(</td>
269
 
          <td class="paramname">          </td>
270
 
          <td>&nbsp;)&nbsp;</td>
271
 
          <td width="100%"> const</td>
272
 
        </tr>
273
 
      </table>
274
 
</div>
275
 
<div class="memdoc">
276
 
 
277
 
<p>
278
 
Get the center of the scale. 
279
 
<p>
280
 
 
281
 
<p>
282
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00113">113</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
283
 
</div>
284
 
</div><p>
285
 
<a class="anchor" name="5d85678fdb9fbb4d622425aab9ecc681"></a><!-- doxytag: member="QwtRoundScaleDraw::setAngleRange" ref="5d85678fdb9fbb4d622425aab9ecc681" args="(double angle1, double angle2)" -->
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        <tr>
290
 
          <td class="memname">void QwtRoundScaleDraw::setAngleRange           </td>
291
 
          <td>(</td>
292
 
          <td class="paramtype">double&nbsp;</td>
293
 
          <td class="paramname"> <em>angle1</em>, </td>
294
 
        </tr>
295
 
        <tr>
296
 
          <td class="paramkey"></td>
297
 
          <td></td>
298
 
          <td class="paramtype">double&nbsp;</td>
299
 
          <td class="paramname"> <em>angle2</em></td><td>&nbsp;</td>
300
 
        </tr>
301
 
        <tr>
302
 
          <td></td>
303
 
          <td>)</td>
304
 
          <td></td><td></td><td width="100%"></td>
305
 
        </tr>
306
 
      </table>
307
 
</div>
308
 
<div class="memdoc">
309
 
 
310
 
<p>
311
 
Adjust the baseline circle segment for round scales. 
312
 
<p>
313
 
The baseline will be drawn from min(angle1,angle2) to max(angle1, angle2). The default setting is [ -135, 135 ]. An angle of 0 degrees corresponds to the 12 o'clock position, and positive angles count in a clockwise direction. <dl compact><dt><b>Parameters:</b></dt><dd>
314
 
  <table border="0" cellspacing="2" cellpadding="0">
315
 
    <tr><td valign="top"></td><td valign="top"><em>angle1</em>&nbsp;</td><td></td></tr>
316
 
    <tr><td valign="top"></td><td valign="top"><em>angle2</em>&nbsp;</td><td>boundaries of the angle interval in degrees. </td></tr>
317
 
  </table>
318
 
</dl>
319
 
<dl class="warning" compact><dt><b>Warning:</b></dt><dd><ul>
320
 
<li>
321
 
The angle range is limited to [-360, 360] degrees. Angles exceeding this range will be clipped. </li>
322
 
<li>
323
 
For angles more than 359 degrees above or below min(angle1, angle2), scale marks will not be drawn. </li>
324
 
<li>
325
 
If you need a counterclockwise scale, use QwtScaleDiv::setRange </li>
326
 
</ul>
327
 
</dd></dl>
328
 
 
329
 
<p>
330
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00135">135</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
331
 
<p>
332
 
References <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00132">QwtAbstractScaleDraw::scaleMap()</a>, and <a class="el" href="qwt__scale__map_8cpp-source.html#l00180">QwtScaleMap::setPaintInterval()</a>.
333
 
<p>
334
 
Referenced by <a class="el" href="qwt__knob_8cpp-source.html#l00134">QwtKnob::setTotalAngle()</a>.
335
 
</div>
336
 
</div><p>
337
 
<a class="anchor" name="7c357fc6d4c615c1848e696f7fe7912c"></a><!-- doxytag: member="QwtRoundScaleDraw::extent" ref="7c357fc6d4c615c1848e696f7fe7912c" args="(const QPen &amp;, const QFont &amp;) const" -->
338
 
<div class="memitem">
339
 
<div class="memproto">
340
 
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341
 
        <tr>
342
 
          <td class="memname">int QwtRoundScaleDraw::extent           </td>
343
 
          <td>(</td>
344
 
          <td class="paramtype">const QPen &amp;&nbsp;</td>
345
 
          <td class="paramname"> <em>pen</em>, </td>
346
 
        </tr>
347
 
        <tr>
348
 
          <td class="paramkey"></td>
349
 
          <td></td>
350
 
          <td class="paramtype">const QFont &amp;&nbsp;</td>
351
 
          <td class="paramname"> <em>font</em></td><td>&nbsp;</td>
352
 
        </tr>
353
 
        <tr>
354
 
          <td></td>
355
 
          <td>)</td>
356
 
          <td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
357
 
        </tr>
358
 
      </table>
359
 
</div>
360
 
<div class="memdoc">
361
 
 
362
 
<p>
363
 
Calculate the extent of the scale<p>
364
 
The extent is the distcance between the baseline to the outermost pixel of the scale draw. <a class="el" href="class_qwt_round_scale_draw.html#52de381651527d25721576daea310ead">radius()</a> + <a class="el" href="class_qwt_round_scale_draw.html#7c357fc6d4c615c1848e696f7fe7912c">extent()</a> is an upper limit for the radius of the bounding circle.<p>
365
 
<dl compact><dt><b>Parameters:</b></dt><dd>
366
 
  <table border="0" cellspacing="2" cellpadding="0">
367
 
    <tr><td valign="top"></td><td valign="top"><em>pen</em>&nbsp;</td><td>Pen that is used for painting backbone and ticks </td></tr>
368
 
    <tr><td valign="top"></td><td valign="top"><em>font</em>&nbsp;</td><td>Font used for painting the labels</td></tr>
369
 
  </table>
370
 
</dl>
371
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_abstract_scale_draw.html#2a9633476aa1c99e25fa07d87db3e415">setMinimumExtent()</a>, <a class="el" href="class_qwt_abstract_scale_draw.html#3ddfc4b108cbf093c89a4596109b63fd">minimumExtent()</a> </dd></dl>
372
 
<dl class="warning" compact><dt><b>Warning:</b></dt><dd>The implemented algo is not too smart and calculates only an upper limit, that might be a few pixels too large </dd></dl>
373
 
 
374
 
<p>
375
 
Implements <a class="el" href="class_qwt_abstract_scale_draw.html#99524bfda72b2b53de2b9d773259318b">QwtAbstractScaleDraw</a>.
376
 
<p>
377
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00267">267</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
378
 
<p>
379
 
References <a class="el" href="qwt__scale__div_8cpp-source.html#l00115">QwtScaleDiv::contains()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00099">QwtAbstractScaleDraw::hasComponent()</a>, <a class="el" href="qwt__text_8h-source.html#l00152">QwtText::isEmpty()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00361">QwtAbstractScaleDraw::label()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00345">QwtAbstractScaleDraw::majTickLength()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00126">QwtAbstractScaleDraw::map()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00293">QwtAbstractScaleDraw::minimumExtent()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00138">QwtAbstractScaleDraw::scaleDiv()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00263">QwtAbstractScaleDraw::spacing()</a>, <a class="el" href="qwt__text_8cpp-source.html#l00510">QwtText::textSize()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00379">QwtAbstractScaleDraw::tickLabel()</a>, <a class="el" href="qwt__scale__div_8cpp-source.html#l00160">QwtScaleDiv::ticks()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00175">QwtScaleMap::transform()</a>.
380
 
<p>
381
 
Referenced by <a class="el" href="qwt__knob_8cpp-source.html#l00536">QwtKnob::minimumSizeHint()</a>.
382
 
</div>
383
 
</div><p>
384
 
<a class="anchor" name="58fb1c23cc215724883eb96cbf551b06"></a><!-- doxytag: member="QwtRoundScaleDraw::drawTick" ref="58fb1c23cc215724883eb96cbf551b06" args="(QPainter *p, double val, int len) const" -->
385
 
<div class="memitem">
386
 
<div class="memproto">
387
 
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388
 
        <tr>
389
 
          <td class="memname">void QwtRoundScaleDraw::drawTick           </td>
390
 
          <td>(</td>
391
 
          <td class="paramtype">QPainter *&nbsp;</td>
392
 
          <td class="paramname"> <em>painter</em>, </td>
393
 
        </tr>
394
 
        <tr>
395
 
          <td class="paramkey"></td>
396
 
          <td></td>
397
 
          <td class="paramtype">double&nbsp;</td>
398
 
          <td class="paramname"> <em>value</em>, </td>
399
 
        </tr>
400
 
        <tr>
401
 
          <td class="paramkey"></td>
402
 
          <td></td>
403
 
          <td class="paramtype">int&nbsp;</td>
404
 
          <td class="paramname"> <em>len</em></td><td>&nbsp;</td>
405
 
        </tr>
406
 
        <tr>
407
 
          <td></td>
408
 
          <td>)</td>
409
 
          <td></td><td></td><td width="100%"> const<code> [protected, virtual]</code></td>
410
 
        </tr>
411
 
      </table>
412
 
</div>
413
 
<div class="memdoc">
414
 
 
415
 
<p>
416
 
Draw a tick<p>
417
 
<dl compact><dt><b>Parameters:</b></dt><dd>
418
 
  <table border="0" cellspacing="2" cellpadding="0">
419
 
    <tr><td valign="top"></td><td valign="top"><em>painter</em>&nbsp;</td><td>Painter </td></tr>
420
 
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>Value of the tick </td></tr>
421
 
    <tr><td valign="top"></td><td valign="top"><em>len</em>&nbsp;</td><td>Lenght of the tick</td></tr>
422
 
  </table>
423
 
</dl>
424
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#845dc48b006ee168415112f39e80da09">drawBackbone()</a>, <a class="el" href="class_qwt_round_scale_draw.html#35cc3c8f1fe89b27e7bf2d57c7560bd8">drawLabel()</a> </dd></dl>
425
 
 
426
 
<p>
427
 
Implements <a class="el" href="class_qwt_abstract_scale_draw.html#c6731a1766e5c5a845dbeff37747b8f0">QwtAbstractScaleDraw</a>.
428
 
<p>
429
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00205">205</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
430
 
<p>
431
 
References <a class="el" href="qwt__painter_8cpp-source.html#l00424">QwtPainter::drawLine()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00126">QwtAbstractScaleDraw::map()</a>, <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00096">radius()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00175">QwtScaleMap::transform()</a>.
432
 
</div>
433
 
</div><p>
434
 
<a class="anchor" name="845dc48b006ee168415112f39e80da09"></a><!-- doxytag: member="QwtRoundScaleDraw::drawBackbone" ref="845dc48b006ee168415112f39e80da09" args="(QPainter *p) const " -->
435
 
<div class="memitem">
436
 
<div class="memproto">
437
 
      <table class="memname">
438
 
        <tr>
439
 
          <td class="memname">void QwtRoundScaleDraw::drawBackbone           </td>
440
 
          <td>(</td>
441
 
          <td class="paramtype">QPainter *&nbsp;</td>
442
 
          <td class="paramname"> <em>painter</em>          </td>
443
 
          <td>&nbsp;)&nbsp;</td>
444
 
          <td width="100%"> const<code> [protected, virtual]</code></td>
445
 
        </tr>
446
 
      </table>
447
 
</div>
448
 
<div class="memdoc">
449
 
 
450
 
<p>
451
 
Draws the baseline of the scale <dl compact><dt><b>Parameters:</b></dt><dd>
452
 
  <table border="0" cellspacing="2" cellpadding="0">
453
 
    <tr><td valign="top"></td><td valign="top"><em>painter</em>&nbsp;</td><td>Painter</td></tr>
454
 
  </table>
455
 
</dl>
456
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#58fb1c23cc215724883eb96cbf551b06">drawTick()</a>, <a class="el" href="class_qwt_round_scale_draw.html#35cc3c8f1fe89b27e7bf2d57c7560bd8">drawLabel()</a> </dd></dl>
457
 
 
458
 
<p>
459
 
Implements <a class="el" href="class_qwt_abstract_scale_draw.html#546662a216e35819b673afc29bf468e8">QwtAbstractScaleDraw</a>.
460
 
<p>
461
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00239">239</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
462
 
<p>
463
 
References <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00126">QwtAbstractScaleDraw::map()</a>, and <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00096">radius()</a>.
464
 
</div>
465
 
</div><p>
466
 
<a class="anchor" name="35cc3c8f1fe89b27e7bf2d57c7560bd8"></a><!-- doxytag: member="QwtRoundScaleDraw::drawLabel" ref="35cc3c8f1fe89b27e7bf2d57c7560bd8" args="(QPainter *p, double val) const" -->
467
 
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468
 
<div class="memproto">
469
 
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470
 
        <tr>
471
 
          <td class="memname">void QwtRoundScaleDraw::drawLabel           </td>
472
 
          <td>(</td>
473
 
          <td class="paramtype">QPainter *&nbsp;</td>
474
 
          <td class="paramname"> <em>painter</em>, </td>
475
 
        </tr>
476
 
        <tr>
477
 
          <td class="paramkey"></td>
478
 
          <td></td>
479
 
          <td class="paramtype">double&nbsp;</td>
480
 
          <td class="paramname"> <em>value</em></td><td>&nbsp;</td>
481
 
        </tr>
482
 
        <tr>
483
 
          <td></td>
484
 
          <td>)</td>
485
 
          <td></td><td></td><td width="100%"> const<code> [protected, virtual]</code></td>
486
 
        </tr>
487
 
      </table>
488
 
</div>
489
 
<div class="memdoc">
490
 
 
491
 
<p>
492
 
Draws the label for a major scale tick<p>
493
 
<dl compact><dt><b>Parameters:</b></dt><dd>
494
 
  <table border="0" cellspacing="2" cellpadding="0">
495
 
    <tr><td valign="top"></td><td valign="top"><em>painter</em>&nbsp;</td><td>Painter </td></tr>
496
 
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>Value</td></tr>
497
 
  </table>
498
 
</dl>
499
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_round_scale_draw.html#58fb1c23cc215724883eb96cbf551b06">drawTick()</a>, <a class="el" href="class_qwt_round_scale_draw.html#845dc48b006ee168415112f39e80da09">drawBackbone()</a> </dd></dl>
500
 
 
501
 
<p>
502
 
Implements <a class="el" href="class_qwt_abstract_scale_draw.html#c49fa39668e35ef92a49834a545711b9">QwtAbstractScaleDraw</a>.
503
 
<p>
504
 
Definition at line <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00160">160</a> of file <a class="el" href="qwt__round__scale__draw_8cpp-source.html">qwt_round_scale_draw.cpp</a>.
505
 
<p>
506
 
References <a class="el" href="qwt__text_8cpp-source.html#l00564">QwtText::draw()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00099">QwtAbstractScaleDraw::hasComponent()</a>, <a class="el" href="qwt__text_8h-source.html#l00152">QwtText::isEmpty()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00361">QwtAbstractScaleDraw::label()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00345">QwtAbstractScaleDraw::majTickLength()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00126">QwtAbstractScaleDraw::map()</a>, <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00096">radius()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00263">QwtAbstractScaleDraw::spacing()</a>, <a class="el" href="qwt__text_8cpp-source.html#l00510">QwtText::textSize()</a>, <a class="el" href="qwt__abstract__scale__draw_8cpp-source.html#l00379">QwtAbstractScaleDraw::tickLabel()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00175">QwtScaleMap::transform()</a>.
507
 
</div>
508
 
</div><p>
509
 
<hr size="1"><address style="align: right;"><small>Generated on Thu May 1 15:45:42 2008 for Qwt User's Guide by&nbsp;
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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> 1.5.0 </small></address>
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</body>
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</html>