class_qwt_data.html

QWT5.01用于Qt开发的二维图形库程序

          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
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<dl compact><dt><b>Returns:</b></dt><dd>Pointer to a copy (virtual copy constructor) </dd></dl>

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Implemented in <a class="el" href="class_qwt_polygon_f_data.html#3e8e8809e6bbb8efb8bbed5b8044644f">QwtPolygonFData</a>, <a class="el" href="class_qwt_array_data.html#9afcbf6cbd1f080b97c74ce1607d8456">QwtArrayData</a>, and <a class="el" href="class_qwt_c_pointer_data.html#02a09662881df362369bf078842d1380">QwtCPointerData</a>.
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Referenced by <a class="el" href="qwt__plot__curve_8cpp-source.html#l00404">QwtPlotCurve::setData()</a>.    </td>
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<a class="anchor" name="3615d59935a028b66202ab5fcde3ec31"></a><!-- doxytag: member="QwtData::operator=" ref="3615d59935a028b66202ab5fcde3ec31" args="(const QwtData &amp;)" --><p>
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          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_data.html">QwtData</a>&amp; QwtData::operator=           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="class_qwt_data.html">QwtData</a> &amp;&nbsp;</td>
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          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [protected]</code></td>
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Assignment operator (virtualized)     </td>
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<a class="anchor" name="6028c06e7e72de98fb7a8a3ec6acdf47"></a><!-- doxytag: member="QwtData::size" ref="6028c06e7e72de98fb7a8a3ec6acdf47" args="() const =0" --><p>
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          <td class="md" nowrap valign="top">virtual size_t QwtData::size           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
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<dl compact><dt><b>Returns:</b></dt><dd>Size of the data set </dd></dl>

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Implemented in <a class="el" href="class_qwt_polygon_f_data.html#3a002042c6c0b0bf35e7172c37a6c1b2">QwtPolygonFData</a>, <a class="el" href="class_qwt_array_data.html#e7d5991e85c8d32c8945e67dc3bd88db">QwtArrayData</a>, and <a class="el" href="class_qwt_c_pointer_data.html#780b9ae434856509cef9bbe954f03a3e">QwtCPointerData</a>.
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Referenced by <a class="el" href="qwt__data_8cpp-source.html#l00034">boundingRect()</a>, and <a class="el" href="qwt__plot__curve_8cpp-source.html#l01206">QwtPlotCurve::dataSize()</a>.    </td>
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<a class="anchor" name="922401ada56fc6dd3ccbeb1cfcdcfe28"></a><!-- doxytag: member="QwtData::x" ref="922401ada56fc6dd3ccbeb1cfcdcfe28" args="(size_t i) const =0" --><p>
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          <td class="md" nowrap valign="top">virtual double QwtData::x           </td>
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          <td class="md" nowrap valign="top">size_t&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>i</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
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Return the x value of data point i <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>i</em>&nbsp;</td><td>Index </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>x X value of data point i </dd></dl>

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Implemented in <a class="el" href="class_qwt_polygon_f_data.html#ca74b3b767c5fd2567215583d3712425">QwtPolygonFData</a>, <a class="el" href="class_qwt_array_data.html#12d08694fd95fd5ad568ffc07d6f1103">QwtArrayData</a>, and <a class="el" href="class_qwt_c_pointer_data.html#178b1e84039edee9eadd5a849559c882">QwtCPointerData</a>.
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Referenced by <a class="el" href="qwt__data_8cpp-source.html#l00034">boundingRect()</a>, and <a class="el" href="qwt__plot__curve_8h-source.html#l00232">QwtPlotCurve::x()</a>.    </td>
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<a class="anchor" name="6a160842c98ddd98a65fd229776c324c"></a><!-- doxytag: member="QwtData::y" ref="6a160842c98ddd98a65fd229776c324c" args="(size_t i) const =0" --><p>
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          <td class="md" nowrap valign="top">virtual double QwtData::y           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">size_t&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>i</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
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Return the y value of data point i <dl compact><dt><b>Parameters:</b></dt><dd>
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<dl compact><dt><b>Returns:</b></dt><dd>y Y value of data point i </dd></dl>

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Implemented in <a class="el" href="class_qwt_polygon_f_data.html#3b762f31fd970ec7ce9706930f33c1aa">QwtPolygonFData</a>, <a class="el" href="class_qwt_array_data.html#4ff85108ee8735fb1be9905dc6af22a6">QwtArrayData</a>, and <a class="el" href="class_qwt_c_pointer_data.html#792eaf93b84f8ec97c4e742ec6ff08de">QwtCPointerData</a>.
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Referenced by <a class="el" href="qwt__data_8cpp-source.html#l00034">boundingRect()</a>, and <a class="el" href="qwt__plot__curve_8h-source.html#l00241">QwtPlotCurve::y()</a>.    </td>
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<hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:23:33 2007 for Qwt User's Guide by&nbsp;
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