class_qwt_text.html

QWT5.01用于Qt开发的二维图形库程序

          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">int&nbsp;</td>
          <td class="mdname" nowrap> <em>width</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QFont &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>defaultFont</em> = <code>QFont()</code></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const</td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Find the height for a given width<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>defaultFont</em>&nbsp;</td><td>Font, used for the calculation if the text has no font </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>width</em>&nbsp;</td><td>Width</td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Calculated height </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8cpp-source.html#l00458">458</a> of file <a class="el" href="qwt__text_8cpp-source.html">qwt_text.cpp</a>.
<p>
References <a class="el" href="qwt__text_8cpp-source.html#l00296">font()</a>, <a class="el" href="qwt__layout__metrics_8h-source.html#l00108">QwtMetricsMap::layoutToScreenX()</a>, <a class="el" href="qwt__painter_8cpp-source.html#l00160">QwtPainter::metricsMap()</a>, <a class="el" href="qwt__layout__metrics_8h-source.html#l00123">QwtMetricsMap::screenToLayoutY()</a>, and <a class="el" href="qwt__text_8cpp-source.html#l00308">usedFont()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="25843b1120b648752ed5be2247ebe43f"></a><!-- doxytag: member="QwtText::isEmpty" ref="25843b1120b648752ed5be2247ebe43f" 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">bool QwtText::isEmpty           </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> [inline]</code></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><a class="el" href="class_qwt_text.html#15a42a83153f82bab8cfc283d090d736">text()</a>.<a class="el" href="class_qwt_text.html#25843b1120b648752ed5be2247ebe43f">isEmpty()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8h-source.html#l00152">152</a> of file <a class="el" href="qwt__text_8h-source.html">qwt_text.h</a>.
<p>
Referenced by <a class="el" href="qwt__scale__draw_8cpp-source.html#l00612">QwtScaleDraw::drawLabel()</a>, <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00162">QwtRoundScaleDraw::drawLabel()</a>, <a class="el" href="qwt__round__scale__draw_8cpp-source.html#l00269">QwtRoundScaleDraw::extent()</a>, <a class="el" href="qwt__scale__draw_8cpp-source.html#l00717">QwtScaleDraw::labelRect()</a>, and <a class="el" href="qwt__picker_8cpp-source.html#l00717">QwtPicker::trackerRect()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="fdf53f75d1b8ce6f2f0b00df59fa0177"></a><!-- doxytag: member="QwtText::isNull" ref="fdf53f75d1b8ce6f2f0b00df59fa0177" 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">bool QwtText::isNull           </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> [inline]</code></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><a class="el" href="class_qwt_text.html#15a42a83153f82bab8cfc283d090d736">text()</a>.<a class="el" href="class_qwt_text.html#fdf53f75d1b8ce6f2f0b00df59fa0177">isNull()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8h-source.html#l00149">149</a> of file <a class="el" href="qwt__text_8h-source.html">qwt_text.h</a>.    </td>
  </tr>
</table>
<a class="anchor" name="d4a8678071c7e114c47a21f1f78cca37"></a><!-- doxytag: member="QwtText::operator=" ref="d4a8678071c7e114c47a21f1f78cca37" args="(const QwtText &amp;)" --><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_text.html">QwtText</a> &amp; QwtText::operator=           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="class_qwt_text.html">QwtText</a> &amp;&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>
Assignement operator. 
<p>

<p>
Definition at line <a class="el" href="qwt__text_8cpp-source.html#l00207">207</a> of file <a class="el" href="qwt__text_8cpp-source.html">qwt_text.cpp</a>.
<p>
References <a class="el" href="qwt__text_8h-source.html#l00191">d_data</a>, and <a class="el" href="qwt__text_8h-source.html#l00194">d_layoutCache</a>.    </td>
  </tr>
</table>
<a class="anchor" name="59c6bf54af867ce5632a07117fe442e1"></a><!-- doxytag: member="QwtText::renderFlags" ref="59c6bf54af867ce5632a07117fe442e1" 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">int QwtText::renderFlags           </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>Render flags </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_text.html#2e71d427de766455323794f27d369a5d">setRenderFlags</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8cpp-source.html#l00277">277</a> of file <a class="el" href="qwt__text_8cpp-source.html">qwt_text.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__scale__widget_8cpp-source.html#l00168">QwtScaleWidget::setTitle()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="f016a747b234aede9f0cbbeb06ed2802"></a><!-- doxytag: member="QwtText::setBackgroundBrush" ref="f016a747b234aede9f0cbbeb06ed2802" args="(const QBrush &amp;)" --><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 QwtText::setBackgroundBrush           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QBrush &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>brush</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 background brush<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>brush</em>&nbsp;</td><td>Background brush </td></tr>
  </table>
</dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_text.html#46bb4836482e4fe554f5079871343ba6">backgroundBrush</a>, <a class="el" href="class_qwt_text.html#6532e0c5cdcfc16cd007427f3ddf60fb">setBackgroundPen</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8cpp-source.html#l00377">377</a> of file <a class="el" href="qwt__text_8cpp-source.html">qwt_text.cpp</a>.
<p>
References <a class="el" href="qwt__text_8cpp-source.html#l00401">setPaintAttribute()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="6532e0c5cdcfc16cd007427f3ddf60fb"></a><!-- doxytag: member="QwtText::setBackgroundPen" ref="6532e0c5cdcfc16cd007427f3ddf60fb" args="(const QPen &amp;)" --><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 QwtText::setBackgroundPen           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QPen &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>pen</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 background pen<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>pen</em>&nbsp;</td><td>Background pen </td></tr>
  </table>
</dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_text.html#f1aecfe1c9321dad4b80465f6d1a0649">backgroundPen</a>, <a class="el" href="class_qwt_text.html#f016a747b234aede9f0cbbeb06ed2802">setBackgroundBrush</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__text_8cpp-source.html#l00356">356</a> of file <a class="el" href="qwt__text_8cpp-source.html">qwt_text.cpp</a>.
<p>
References <a class="el" href="qwt__text_8cpp-source.html#l00401">setPaintAttribute()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="c7de5839a5c3b1ee367cfbd5691aa105"></a><!-- doxytag: member="QwtText::setColor" ref="c7de5839a5c3b1ee367cfbd5691aa105" args="(const QColor &amp;)" --><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 QwtText::setColor           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QColor &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>color</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>