class_qwt_math_m_l_text_engine.html

QWT5.01用于Qt开发的二维图形库程序

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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [virtual]</code></td>
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<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>font</em>&nbsp;</td><td>Font of the text </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>flags</em>&nbsp;</td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>text</em>&nbsp;</td><td>Text to be rendered </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>width</em>&nbsp;</td><td>Width</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Calculated height </dd></dl>

<p>
Implements <a class="el" href="class_qwt_text_engine.html#ac1112e5b1005d020d596dd174bbabf6">QwtTextEngine</a>.
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Definition at line <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00041">41</a> of file <a class="el" href="qwt__mathml__text__engine_8cpp-source.html">qwt_mathml_text_engine.cpp</a>.
<p>
References <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00056">textSize()</a>.    </td>
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<a class="anchor" name="59ca5842c32fd12cfd2aeeef5c985600"></a><!-- doxytag: member="QwtMathMLTextEngine::mightRender" ref="59ca5842c32fd12cfd2aeeef5c985600" args="(const QString &amp;) const " --><p>
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          <td class="md" nowrap valign="top">bool QwtMathMLTextEngine::mightRender           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QString &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>text</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [virtual]</code></td>
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<p>
Test if a string can be rendered by <a class="el" href="class_qwt_math_m_l_text_engine.html">QwtMathMLTextEngine</a><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>text</em>&nbsp;</td><td>Text to be tested </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>true, if text begins with "&lt;math&gt;". </dd></dl>

<p>
Implements <a class="el" href="class_qwt_text_engine.html#98316f2f6f4f50216ceffbe9babe2901">QwtTextEngine</a>.
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Definition at line <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00131">131</a> of file <a class="el" href="qwt__mathml__text__engine_8cpp-source.html">qwt_mathml_text_engine.cpp</a>.    </td>
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<a class="anchor" name="21ae25c70e4ff79cde60072e4bd75a29"></a><!-- doxytag: member="QwtMathMLTextEngine::textMargins" ref="21ae25c70e4ff79cde60072e4bd75a29" args="(const QFont &amp;, const QString &amp;, int &amp;left, int &amp;right, int &amp;top, int &amp;bottom) const " --><p>
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          <td class="md" nowrap valign="top">void QwtMathMLTextEngine::textMargins           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QFont &amp;&nbsp;</td>
          <td class="mdname" nowrap>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QString &amp;&nbsp;</td>
          <td class="mdname" nowrap>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>left</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>right</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>top</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>bottom</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [virtual]</code></td>
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<p>
Return margins around the texts<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>left</em>&nbsp;</td><td>Return 0 </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>right</em>&nbsp;</td><td>Return 0 </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>top</em>&nbsp;</td><td>Return 0 </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>bottom</em>&nbsp;</td><td>Return 0 </td></tr>
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<p>
Implements <a class="el" href="class_qwt_text_engine.html#d84ebda640e65f23ebd758cd545a5b9a">QwtTextEngine</a>.
<p>
Definition at line <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00083">83</a> of file <a class="el" href="qwt__mathml__text__engine_8cpp-source.html">qwt_mathml_text_engine.cpp</a>.    </td>
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<a class="anchor" name="ecb16b442a1ff15418dc31860e11c27b"></a><!-- doxytag: member="QwtMathMLTextEngine::textSize" ref="ecb16b442a1ff15418dc31860e11c27b" args="(const QFont &amp;font, int flags, const QString &amp;text) const " --><p>
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          <td class="md" nowrap valign="top">QSize QwtMathMLTextEngine::textSize           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QFont &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>font</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>flags</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QString &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>text</em></td>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [virtual]</code></td>
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<p>
Returns the size, that is needed to render text<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>font</em>&nbsp;</td><td>Font of the text </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>flags</em>&nbsp;</td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>text</em>&nbsp;</td><td>Text to be rendered</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Caluclated size </dd></dl>

<p>
Implements <a class="el" href="class_qwt_text_engine.html#73214e1778edf6eb870fc96bf9c5091e">QwtTextEngine</a>.
<p>
Definition at line <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00056">56</a> of file <a class="el" href="qwt__mathml__text__engine_8cpp-source.html">qwt_mathml_text_engine.cpp</a>.
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Referenced by <a class="el" href="qwt__mathml__text__engine_8cpp-source.html#l00041">heightForWidth()</a>.    </td>
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