<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: QwtMathMLTextEngine Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> </div> <div class="headertitle"> <h1>QwtMathMLTextEngine Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="QwtMathMLTextEngine" --><!-- doxytag: inherits="QwtTextEngine" --> <p>Text Engine for the MathML renderer of the Qt solutions package. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="qwt__mathml__text__engine_8h_source.html">qwt_mathml_text_engine.h</a>></code></p> <div class="dynheader"> Inheritance diagram for QwtMathMLTextEngine:</div> <div class="dyncontent"> <div class="center"><img src="class_qwt_math_m_l_text_engine__inherit__graph.png" border="0" usemap="#_qwt_math_m_l_text_engine_inherit__map" alt="Inheritance graph"/></div> <map name="_qwt_math_m_l_text_engine_inherit__map" id="_qwt_math_m_l_text_engine_inherit__map"> <area shape="rect" id="node2" href="class_qwt_text_engine.html" title="Abstract base class for rendering text strings." alt="" coords="28,5,137,35"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="class_qwt_math_m_l_text_engine-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#a4a347e3f7ac8fa7f57c4fcf62e4f2b36">draw</a> (QPainter *painter, const QRectF &rect, int flags, const QString &text) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#a3d5b7c9be31d9282b4c86c8ec3f4c8df">heightForWidth</a> (const QFont &font, int flags, const QString &text, double width) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#a59ca5842c32fd12cfd2aeeef5c985600">mightRender</a> (const QString &) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#af88b085974808e0497d120044672f721">QwtMathMLTextEngine</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#ae89278f8e3642851b6357e34763008fe">textMargins</a> (const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual QSizeF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#ae2b00277f488f755a3bf7fc19548d0ec">textSize</a> (const QFont &font, int flags, const QString &text) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_math_m_l_text_engine.html#a864d4265a7621e7389b21d419e6503ff">~QwtMathMLTextEngine</a> ()</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p>Text Engine for the MathML renderer of the Qt solutions package. </p> <p>To enable MathML support the following code needs to be added to the application: </p> <div class="fragment"><pre class="fragment"> #include <qwt_mathml_text_engine.h> QwtText::setTextEngine(QwtText::MathMLText, new QwtMathMLTextEngine()); </pre></div><dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_text_engine.html" title="Abstract base class for rendering text strings.">QwtTextEngine</a>, <a class="el" href="class_qwt_text.html#aef6a1e71b1feba3116ce69f6c9de70ad">QwtText::setTextEngine</a> </dd></dl> <dl class="warning"><dt><b>Warning:</b></dt><dd>Unfortunately the MathML renderer doesn't support rotating of texts. </dd></dl> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="af88b085974808e0497d120044672f721"></a><!-- doxytag: member="QwtMathMLTextEngine::QwtMathMLTextEngine" ref="af88b085974808e0497d120044672f721" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtMathMLTextEngine::QwtMathMLTextEngine </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Constructor. </p> </div> </div> <a class="anchor" id="a864d4265a7621e7389b21d419e6503ff"></a><!-- doxytag: member="QwtMathMLTextEngine::~QwtMathMLTextEngine" ref="a864d4265a7621e7389b21d419e6503ff" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtMathMLTextEngine::~QwtMathMLTextEngine </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Destructor. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a4a347e3f7ac8fa7f57c4fcf62e4f2b36"></a><!-- doxytag: member="QwtMathMLTextEngine::draw" ref="a4a347e3f7ac8fa7f57c4fcf62e4f2b36" args="(QPainter *painter, const QRectF &rect, int flags, const QString &text) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMathMLTextEngine::draw </td> <td>(</td> <td class="paramtype">QPainter * </td> <td class="paramname"><em>painter</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QRectF & </td> <td class="paramname"><em>rect</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>flags</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QString & </td> <td class="paramname"><em>text</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Draw the text in a clipping rectangle</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">painter</td><td>Painter </td></tr> <tr><td class="paramname">rect</td><td>Clipping rectangle </td></tr> <tr><td class="paramname">flags</td><td>Bitwise OR of the flags like in for QPainter::drawText </td></tr> <tr><td class="paramname">text</td><td>Text to be rendered </td></tr> </table> </dd> </dl> <p>Implements <a class="el" href="class_qwt_text_engine.html#ad727f58f9eebfec86369e7f2e5bf6a59">QwtTextEngine</a>.</p> </div> </div> <a class="anchor" id="a3d5b7c9be31d9282b4c86c8ec3f4c8df"></a><!-- doxytag: member="QwtMathMLTextEngine::heightForWidth" ref="a3d5b7c9be31d9282b4c86c8ec3f4c8df" args="(const QFont &font, int flags, const QString &text, double width) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtMathMLTextEngine::heightForWidth </td> <td>(</td> <td class="paramtype">const QFont & </td> <td class="paramname"><em>font</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>flags</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QString & </td> <td class="paramname"><em>text</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>width</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Find the height for a given width</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">font</td><td>Font of the text </td></tr> <tr><td class="paramname">flags</td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr> <tr><td class="paramname">text</td><td>Text to be rendered </td></tr> <tr><td class="paramname">width</td><td>Width</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>Calculated height </dd></dl> <p>Implements <a class="el" href="class_qwt_text_engine.html#aee891b14d90c817b8c73d551f623cc17">QwtTextEngine</a>.</p> </div> </div> <a class="anchor" id="a59ca5842c32fd12cfd2aeeef5c985600"></a><!-- doxytag: member="QwtMathMLTextEngine::mightRender" ref="a59ca5842c32fd12cfd2aeeef5c985600" args="(const QString &) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtMathMLTextEngine::mightRender </td> <td>(</td> <td class="paramtype">const QString & </td> <td class="paramname"><em>text</em></td><td>)</td> <td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Test if a string can be rendered by <a class="el" href="class_qwt_math_m_l_text_engine.html" title="Text Engine for the MathML renderer of the Qt solutions package.">QwtMathMLTextEngine</a></p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">text</td><td>Text to be tested </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>true, if text begins with "<math>". </dd></dl> <p>Implements <a class="el" href="class_qwt_text_engine.html#a98316f2f6f4f50216ceffbe9babe2901">QwtTextEngine</a>.</p> </div> </div> <a class="anchor" id="ae89278f8e3642851b6357e34763008fe"></a><!-- doxytag: member="QwtMathMLTextEngine::textMargins" ref="ae89278f8e3642851b6357e34763008fe" args="(const QFont &, const QString &, double &left, double &right, double &top, double &bottom) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtMathMLTextEngine::textMargins </td> <td>(</td> <td class="paramtype">const QFont & </td> <td class="paramname">, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QString & </td> <td class="paramname">, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>left</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>right</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>top</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>bottom</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Return margins around the texts</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">left</td><td>Return 0 </td></tr> <tr><td class="paramname">right</td><td>Return 0 </td></tr> <tr><td class="paramname">top</td><td>Return 0 </td></tr> <tr><td class="paramname">bottom</td><td>Return 0 </td></tr> </table> </dd> </dl> <p>Implements <a class="el" href="class_qwt_text_engine.html#a83c8d3dc590b9914e9216c01e78e0838">QwtTextEngine</a>.</p> </div> </div> <a class="anchor" id="ae2b00277f488f755a3bf7fc19548d0ec"></a><!-- doxytag: member="QwtMathMLTextEngine::textSize" ref="ae2b00277f488f755a3bf7fc19548d0ec" args="(const QFont &font, int flags, const QString &text) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QSizeF QwtMathMLTextEngine::textSize </td> <td>(</td> <td class="paramtype">const QFont & </td> <td class="paramname"><em>font</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>flags</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QString & </td> <td class="paramname"><em>text</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns the size, that is needed to render text</p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">font</td><td>Font of the text </td></tr> <tr><td class="paramname">flags</td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr> <tr><td class="paramname">text</td><td>Text to be rendered</td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>Caluclated size </dd></dl> <p>Implements <a class="el" href="class_qwt_text_engine.html#ad9382cc8ff22c6b3e448fce566a76178">QwtTextEngine</a>.</p> </div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>