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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="class_qwt_c_pointer_data-members.html">List of all members</a>  </div>
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<div class="title">QwtCPointerData Class Reference</div>  </div>
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<p>Data class containing two pointers to memory blocks of doubles.  
 <a href="class_qwt_c_pointer_data.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__point__data_8h_source.html">qwt_point_data.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtCPointerData:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_c_pointer_data__inherit__graph.png" border="0" usemap="#_qwt_c_pointer_data_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_c_pointer_data_inherit__map" id="_qwt_c_pointer_data_inherit__map">
<area shape="rect" id="node2" href="class_qwt_series_data.html" title="QwtSeriesData\&lt; QPointF \&gt;" alt="" coords="5,5,191,32"/>
</map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a795b86d69226d1aabf9356848da6c083"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#a795b86d69226d1aabf9356848da6c083">QwtCPointerData</a> (const double *x, const double *y, size_t <a class="el" href="class_qwt_c_pointer_data.html#a780b9ae434856509cef9bbe954f03a3e">size</a>)</td></tr>
<tr class="separator:a795b86d69226d1aabf9356848da6c083"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aecc3e98a3b2c4350212fa7b9e97110aa"><td class="memItemLeft" align="right" valign="top">virtual QRectF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#aecc3e98a3b2c4350212fa7b9e97110aa">boundingRect</a> () const </td></tr>
<tr class="memdesc:aecc3e98a3b2c4350212fa7b9e97110aa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate the bounding rectangle.  <a href="#aecc3e98a3b2c4350212fa7b9e97110aa">More...</a><br /></td></tr>
<tr class="separator:aecc3e98a3b2c4350212fa7b9e97110aa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a780b9ae434856509cef9bbe954f03a3e"><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#a780b9ae434856509cef9bbe954f03a3e">size</a> () const </td></tr>
<tr class="separator:a780b9ae434856509cef9bbe954f03a3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5e01b287eca7d0c4b52bbf514c5244d2"><td class="memItemLeft" align="right" valign="top">virtual QPointF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#a5e01b287eca7d0c4b52bbf514c5244d2">sample</a> (size_t i) const </td></tr>
<tr class="separator:a5e01b287eca7d0c4b52bbf514c5244d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6409b0bcf77674d1970185c6c3245e26"><td class="memItemLeft" align="right" valign="top">const double *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#a6409b0bcf77674d1970185c6c3245e26">xData</a> () const </td></tr>
<tr class="separator:a6409b0bcf77674d1970185c6c3245e26"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7c538ed7b3e4cc5db6d4d97c09ed9d73"><td class="memItemLeft" align="right" valign="top">const double *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_c_pointer_data.html#a7c538ed7b3e4cc5db6d4d97c09ed9d73">yData</a> () const </td></tr>
<tr class="separator:a7c538ed7b3e4cc5db6d4d97c09ed9d73"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_qwt_series_data"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_series_data')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_qwt_series_data.html">QwtSeriesData&lt; QPointF &gt;</a></td></tr>
<tr class="memitem:a3f075340d18fb112a342d74716eb8d9c inherit pub_methods_class_qwt_series_data"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3f075340d18fb112a342d74716eb8d9c"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_series_data.html#a3f075340d18fb112a342d74716eb8d9c">QwtSeriesData</a> ()</td></tr>
<tr class="memdesc:a3f075340d18fb112a342d74716eb8d9c inherit pub_methods_class_qwt_series_data"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:a3f075340d18fb112a342d74716eb8d9c inherit pub_methods_class_qwt_series_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a841a56f909879d599a385b9c3d046745 inherit pub_methods_class_qwt_series_data"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a841a56f909879d599a385b9c3d046745"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_series_data.html#a841a56f909879d599a385b9c3d046745">~QwtSeriesData</a> ()</td></tr>
<tr class="memdesc:a841a56f909879d599a385b9c3d046745 inherit pub_methods_class_qwt_series_data"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a841a56f909879d599a385b9c3d046745 inherit pub_methods_class_qwt_series_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a391b4601a7454b2f9582fbc2662d108e inherit pub_methods_class_qwt_series_data"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_series_data.html#a391b4601a7454b2f9582fbc2662d108e">setRectOfInterest</a> (const QRectF &amp;rect)</td></tr>
<tr class="separator:a391b4601a7454b2f9582fbc2662d108e inherit pub_methods_class_qwt_series_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_attribs_class_qwt_series_data"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_class_qwt_series_data')"><img src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a class="el" href="class_qwt_series_data.html">QwtSeriesData&lt; QPointF &gt;</a></td></tr>
<tr class="memitem:a24fbbcb0baa0c728117d2e6764d00414 inherit pro_attribs_class_qwt_series_data"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a24fbbcb0baa0c728117d2e6764d00414"></a>
QRectF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_series_data.html#a24fbbcb0baa0c728117d2e6764d00414">d_boundingRect</a></td></tr>
<tr class="memdesc:a24fbbcb0baa0c728117d2e6764d00414 inherit pro_attribs_class_qwt_series_data"><td class="mdescLeft">&#160;</td><td class="mdescRight">Can be used to cache a calculated bounding rectangle. <br /></td></tr>
<tr class="separator:a24fbbcb0baa0c728117d2e6764d00414 inherit pro_attribs_class_qwt_series_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Data class containing two pointers to memory blocks of doubles. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a795b86d69226d1aabf9356848da6c083"></a>
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      <table class="memname">
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          <td class="memname">QwtCPointerData::QwtCPointerData </td>
          <td>(</td>
          <td class="paramtype">const double *&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const double *&#160;</td>
          <td class="paramname"><em>y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p>Constructor</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>Array of x values </td></tr>
    <tr><td class="paramname">y</td><td>Array of y values </td></tr>
    <tr><td class="paramname">size</td><td>Size of the x and y arrays</td></tr>
  </table>
  </dd>
</dl>
<dl class="section warning"><dt>Warning</dt><dd>The programmer must assure that the memory blocks referenced by the pointers remain valid during the lifetime of the QwtPlotCPointer object.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_series_store.html#add3ce83fe90e976b75a0ebaa79caee4c">QwtPlotCurve::setData()</a>, <a class="el" href="class_qwt_plot_curve.html#afd13c94e23520dacbc37b4d0fd036a8b" title="Initialize the data by pointing to memory blocks which are not managed by QwtPlotCurve. ">QwtPlotCurve::setRawSamples()</a> </dd></dl>

</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="aecc3e98a3b2c4350212fa7b9e97110aa"></a>
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  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">QRectF QwtCPointerData::boundingRect </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
  </tr>
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<p>Calculate the bounding rectangle. </p>
<p>The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.</p>
<dl class="section return"><dt>Returns</dt><dd>Bounding rectangle </dd></dl>

<p>Implements <a class="el" href="class_qwt_series_data.html#afc38837db1c8b4a302938a00341a484d">QwtSeriesData&lt; QPointF &gt;</a>.</p>

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  <td class="mlabels-left">
      <table class="memname">
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          <td class="memname">QPointF QwtCPointerData::sample </td>
          <td>(</td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>index</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
  </tr>
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</div><div class="memdoc">
<p>Return the sample at position i</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">index</td><td>Index </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Sample at position i </dd></dl>

<p>Implements <a class="el" href="class_qwt_series_data.html#a302fb1409d00615601c7806bb4fbe2da">QwtSeriesData&lt; QPointF &gt;</a>.</p>

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<a class="anchor" id="a780b9ae434856509cef9bbe954f03a3e"></a>
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          <td class="memname">size_t QwtCPointerData::size </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
  </tr>
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<dl class="section return"><dt>Returns</dt><dd>Size of the data set </dd></dl>

<p>Implements <a class="el" href="class_qwt_series_data.html#af18b57ccc6d9e0354662e53b41397a13">QwtSeriesData&lt; QPointF &gt;</a>.</p>

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          <td class="memname">const double * QwtCPointerData::xData </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Array of the x-values </dd></dl>

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<a class="anchor" id="a7c538ed7b3e4cc5db6d4d97c09ed9d73"></a>
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          <td class="memname">const double * QwtCPointerData::yData </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Array of the y-values </dd></dl>

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