class_qwt_plot_canvas.html

QWT5.01用于Qt开发的二维图形库程序

<p>
Referenced by <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00203">paintEvent()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="4dc526ac5186fe253a158a392bbb4f40"></a><!-- doxytag: member="QwtPlotCanvas::drawFocusIndicator" ref="4dc526ac5186fe253a158a392bbb4f40" args="(QPainter *)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">void QwtPlotCanvas::drawFocusIndicator           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">QPainter *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [protected, virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Draw the focus indication. 
<p>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00320">320</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.
<p>
References <a class="el" href="qwt__painter_8cpp-source.html#l00564">QwtPainter::drawFocusRect()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="0e9653bdf8c62299dbc3551ac7e5ec51"></a><!-- doxytag: member="QwtPlotCanvas::focusIndicator" ref="0e9653bdf8c62299dbc3551ac7e5ec51" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">QwtPlotCanvas::FocusIndicator</a> QwtPlotCanvas::focusIndicator           </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</td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
<dl compact><dt><b>Returns:</b></dt><dd>Focus indicator</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a>, <a class="el" href="class_qwt_plot_canvas.html#e7330616dbb97128d01c5446ef0b006e">setFocusIndicator</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00185">185</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="d03018bfc24f361e4ba359643c5c23b6"></a><!-- doxytag: member="QwtPlotCanvas::invalidatePaintCache" ref="d03018bfc24f361e4ba359643c5c23b6" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">void QwtPlotCanvas::invalidatePaintCache           </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></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Invalidate the internal paint cache. 
<p>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00164">164</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot_8cpp-source.html#l00376">QwtPlot::replot()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="1f5bfe56b2c65bdb956cc0a9d805d1ae"></a><!-- doxytag: member="QwtPlotCanvas::paintCache" ref="1f5bfe56b2c65bdb956cc0a9d805d1ae" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">const QPixmap * QwtPlotCanvas::paintCache           </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</td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Return the paint cache, might be null. 
<p>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00158">158</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="9181564270ad961288f6651dcd08ad15"></a><!-- doxytag: member="QwtPlotCanvas::paintCache" ref="9181564270ad961288f6651dcd08ad15" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">QPixmap * QwtPlotCanvas::paintCache           </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></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Return the paint cache, might be null. 
<p>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00152">152</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="e7330616dbb97128d01c5446ef0b006e"></a><!-- doxytag: member="QwtPlotCanvas::setFocusIndicator" ref="e7330616dbb97128d01c5446ef0b006e" args="(FocusIndicator)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">void QwtPlotCanvas::setFocusIndicator           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a>&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>focusIndicator</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Set the focus indicator<p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a>, <a class="el" href="class_qwt_plot_canvas.html#0e9653bdf8c62299dbc3551ac7e5ec51">focusIndicator</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00175">175</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="7859beb87bcef4fd53f99e7c87104e27"></a><!-- doxytag: member="QwtPlotCanvas::setPaintAttribute" ref="7859beb87bcef4fd53f99e7c87104e27" args="(PaintAttribute, bool on=true)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">void QwtPlotCanvas::setPaintAttribute           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_plot_canvas.html#76066290edb594a71ee09be564563b0f">PaintAttribute</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>attribute</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap> <em>on</em> = <code>true</code></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Changing the paint attributes. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>attribute</em>&nbsp;</td><td>Paint attribute </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>on</em>&nbsp;</td><td>On/Off</td></tr>
  </table>
</dl>
The default setting enables PaintCached and PaintPacked<p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_canvas.html#804f78518b0ba72b11ba996fd2457fb1">testPaintAttribute()</a>, <a class="el" href="class_qwt_plot_canvas.html#48cd4c52f0524f1a21fa53201159aa7c">drawCanvas()</a>, <a class="el" href="class_qwt_plot_canvas.html#3c6e3cddf7fe4f48db64459b01a37301">drawContents()</a>, <a class="el" href="class_qwt_plot_canvas.html#9181564270ad961288f6651dcd08ad15">paintCache()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00090">90</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00050">QwtPlotCanvas()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="804f78518b0ba72b11ba996fd2457fb1"></a><!-- doxytag: member="QwtPlotCanvas::testPaintAttribute" ref="804f78518b0ba72b11ba996fd2457fb1" args="(PaintAttribute) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">bool QwtPlotCanvas::testPaintAttribute           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_plot_canvas.html#76066290edb594a71ee09be564563b0f">PaintAttribute</a>&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>attribute</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Test wether a paint attribute is enabled<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>attribute</em>&nbsp;</td><td>Paint attribute </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true if the attribute is enabled </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__canvas_8cpp-source.html#l00146">146</a> of file <a class="el" href="qwt__plot__canvas_8cpp-source.html">qwt_plot_canvas.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot_8cpp-source.html#l00376">QwtPlot::replot()</a>.    </td>
  </tr>
</table>
<hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:24:52 2007 for Qwt User's Guide by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
</body>
</html>