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<title>Qwt User's Guide: QwtPlainTextEngine Class Reference</title>
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<h1>QwtPlainTextEngine Class Reference</h1><!-- doxytag: class="QwtPlainTextEngine" --><!-- doxytag: inherits="QwtTextEngine" -->Inheritance diagram for QwtPlainTextEngine:<p><center><img src="class_qwt_plain_text_engine__inherit__graph.png" border="0" usemap="#_qwt_plain_text_engine__inherit__map" alt="Inheritance graph"></center>
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<map name="_qwt_plain_text_engine__inherit__map">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtPlainTextEngine:<p><center><img src="class_qwt_plain_text_engine__coll__graph.png" border="0" usemap="#_qwt_plain_text_engine__coll__map" alt="Collaboration graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_plain_text_engine-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
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A text engine for plain texts.
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<a class="el" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a> renders texts using the basic Qt classes QPainter and QFontMetrics.
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Definition at line <a class="el" href="qwt__text__engine_8h-source.html#l00116">116</a> of file <a class="el" href="qwt__text__engine_8h-source.html">qwt_text_engine.h</a>.<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#0ad29b2229a879afe49b546704eb7079">QwtPlainTextEngine</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#0ada8796b2caaff7bb8d61e9fb1b5143">~QwtPlainTextEngine</a> ()</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#167f419dc7a3a172b59f78c9f480fd0d">heightForWidth</a> (const QFont &font, int flags, const QString &text, int width) const </td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#3d6bd4659b061733ddfd9b3915077b75">textSize</a> (const QFont &font, int flags, const QString &text) const </td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#d953f35830710b9527ca61d931a3debc">draw</a> (QPainter *painter, const QRect &rect, int flags, const QString &text) const </td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#e7bd7417f0173e2d35fe1bf7a514ec9b">mightRender</a> (const QString &) const </td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plain_text_engine.html#d14b14ba0f38576c7d562e5c5d70d8f3">textMargins</a> (const QFont &, const QString &, int &left, int &right, int &top, int &bottom) const </td></tr>
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<hr><h2>Constructor & Destructor Documentation</h2>
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<a class="anchor" name="0ad29b2229a879afe49b546704eb7079"></a><!-- doxytag: member="QwtPlainTextEngine::QwtPlainTextEngine" ref="0ad29b2229a879afe49b546704eb7079" args="()" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">QwtPlainTextEngine::QwtPlainTextEngine </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Definition at line <a class="el" href="qwt__text__engine_8cpp-source.html#l00134">134</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<a class="anchor" name="0ada8796b2caaff7bb8d61e9fb1b5143"></a><!-- doxytag: member="QwtPlainTextEngine::~QwtPlainTextEngine" ref="0ada8796b2caaff7bb8d61e9fb1b5143" args="()" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">QwtPlainTextEngine::~QwtPlainTextEngine </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Definition at line <a class="el" href="qwt__text__engine_8cpp-source.html#l00140">140</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<hr><h2>Member Function Documentation</h2>
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<a class="anchor" name="d953f35830710b9527ca61d931a3debc"></a><!-- doxytag: member="QwtPlainTextEngine::draw" ref="d953f35830710b9527ca61d931a3debc" args="(QPainter *painter, const QRect &rect, int flags, const QString &text) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtPlainTextEngine::draw </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">QPainter * </td>
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<td class="mdname" nowrap> <em>painter</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QRect & </td>
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<td class="mdname" nowrap> <em>rect</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>flags</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QString & </td>
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<td class="mdname" nowrap> <em>text</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Draw the text in a clipping rectangle.
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A wrapper for QPainter::drawText.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>painter</em> </td><td>Painter </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>rect</em> </td><td>Clipping rectangle </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>flags</em> </td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>text</em> </td><td>Text to be rendered </td></tr>
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Implements <a class="el" href="class_qwt_text_engine.html#cf750dd01aa35f5c9fc836460c30d663">QwtTextEngine</a>.
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Definition at line <a class="el" href="qwt__text__engine_8cpp-source.html#l00213">213</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>.
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References <a class="el" href="qwt__painter_8cpp-source.html#l00323">QwtPainter::drawText()</a>. </td>
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<a class="anchor" name="167f419dc7a3a172b59f78c9f480fd0d"></a><!-- doxytag: member="QwtPlainTextEngine::heightForWidth" ref="167f419dc7a3a172b59f78c9f480fd0d" args="(const QFont &font, int flags, const QString &text, int width) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">int QwtPlainTextEngine::heightForWidth </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">const QFont & </td>
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<td class="mdname" nowrap> <em>font</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>flags</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QString & </td>
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<td class="mdname" nowrap> <em>text</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>width</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Find the height for a given width<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>font</em> </td><td>Font of the text </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>flags</em> </td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>text</em> </td><td>Text to be rendered </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>width</em> </td><td>Width</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Calculated height </dd></dl>
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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__text__engine_8cpp-source.html#l00155">155</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<a class="anchor" name="e7bd7417f0173e2d35fe1bf7a514ec9b"></a><!-- doxytag: member="QwtPlainTextEngine::mightRender" ref="e7bd7417f0173e2d35fe1bf7a514ec9b" args="(const QString &) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">bool QwtPlainTextEngine::mightRender </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">const QString & </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Test if a string can be rendered by this text engine. <dl compact><dt><b>Returns:</b></dt><dd>Always true. All texts can be rendered by <a class="el" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a> </dd></dl>
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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__text__engine_8cpp-source.html#l00223">223</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<a class="anchor" name="d14b14ba0f38576c7d562e5c5d70d8f3"></a><!-- doxytag: member="QwtPlainTextEngine::textMargins" ref="d14b14ba0f38576c7d562e5c5d70d8f3" args="(const QFont &, const QString &, int &left, int &right, int &top, int &bottom) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void QwtPlainTextEngine::textMargins </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">const QFont & </td>
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<td class="mdname" nowrap> <em>font</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QString & </td>
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<td class="mdname" nowrap>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int & </td>
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<td class="mdname" nowrap> <em>left</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int & </td>
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<td class="mdname" nowrap> <em>right</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int & </td>
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<td class="mdname" nowrap> <em>top</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int & </td>
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<td class="mdname" nowrap> <em>bottom</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Return margins around the texts<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>font</em> </td><td>Font of the text </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>left</em> </td><td>Return 0 </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>right</em> </td><td>Return 0 </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>top</em> </td><td>Return value for the top margin </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>bottom</em> </td><td>Return value for the bottom margin </td></tr>
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Implements <a class="el" href="class_qwt_text_engine.html#d84ebda640e65f23ebd758cd545a5b9a">QwtTextEngine</a>.
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Definition at line <a class="el" href="qwt__text__engine_8cpp-source.html#l00193">193</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<a class="anchor" name="3d6bd4659b061733ddfd9b3915077b75"></a><!-- doxytag: member="QwtPlainTextEngine::textSize" ref="3d6bd4659b061733ddfd9b3915077b75" args="(const QFont &font, int flags, const QString &text) const " --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">QSize QwtPlainTextEngine::textSize </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">const QFont & </td>
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<td class="mdname" nowrap> <em>font</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
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<td class="mdname" nowrap> <em>flags</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const QString & </td>
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<td class="mdname" nowrap> <em>text</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"> const<code> [virtual]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Returns the size, that is needed to render text<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>font</em> </td><td>Font of the text </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>flags</em> </td><td>Bitwise OR of the flags used like in QPainter::drawText </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>text</em> </td><td>Text to be rendered</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Caluclated size </dd></dl>
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Implements <a class="el" href="class_qwt_text_engine.html#73214e1778edf6eb870fc96bf9c5091e">QwtTextEngine</a>.
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Definition at line <a class="el" href="qwt__text__engine_8cpp-source.html#l00174">174</a> of file <a class="el" href="qwt__text__engine_8cpp-source.html">qwt_text_engine.cpp</a>. </td>
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<hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:24:49 2007 for Qwt User's Guide by
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