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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: qwt_text_engine.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>qwt_text_engine.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span><a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span><a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span><a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2003 Uwe Rathmann</span><a name="l00005"></a>00005 <span class="comment"> *</span><a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span><a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span><a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="comment">// vim: expandtab</span><a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#ifndef QWT_TEXT_ENGINE_H</span><a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define QWT_TEXT_ENGINE_H 1</span><a name="l00014"></a>00014 <span class="preprocessor"></span><a name="l00015"></a>00015 <span class="preprocessor">#include <qsize.h></span><a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="keyword">class </span>QFont;<a name="l00019"></a>00019 <span class="keyword">class </span>QRect;<a name="l00020"></a>00020 <span class="keyword">class </span>QString;<a name="l00021"></a>00021 <span class="keyword">class </span>QPainter;<a name="l00022"></a>00022 <a name="l00038"></a><a class="code" href="class_qwt_text_engine.html">00038</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a><a name="l00039"></a>00039 {<a name="l00040"></a>00040 <span class="keyword">public</span>:<a name="l00041"></a>00041 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a>();<a name="l00042"></a>00042 <a name="l00053"></a>00053 <span class="keyword">virtual</span> <span class="keywordtype">int</span> heightForWidth(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags, <a name="l00054"></a>00054 <span class="keyword">const</span> QString &text, <span class="keywordtype">int</span> width) <span class="keyword">const </span>= 0;<a name="l00055"></a>00055 <a name="l00065"></a>00065 <span class="keyword">virtual</span> QSize textSize(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,<a name="l00066"></a>00066 <span class="keyword">const</span> QString &text) <span class="keyword">const </span>= 0;<a name="l00067"></a>00067 <a name="l00074"></a>00074 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> mightRender(<span class="keyword">const</span> QString &text) <span class="keyword">const </span>= 0;<a name="l00075"></a>00075 <a name="l00091"></a>00091 <span class="keyword">virtual</span> <span class="keywordtype">void</span> textMargins(<span class="keyword">const</span> QFont &font, <span class="keyword">const</span> QString &text,<a name="l00092"></a>00092 <span class="keywordtype">int</span> &left, <span class="keywordtype">int</span> &right, <span class="keywordtype">int</span> &top, <span class="keywordtype">int</span> &bottom) <span class="keyword">const </span>= 0;<a name="l00093"></a>00093 <a name="l00102"></a>00102 <span class="keyword">virtual</span> <span class="keywordtype">void</span> draw(QPainter *painter, <span class="keyword">const</span> QRect &rect,<a name="l00103"></a>00103 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text) <span class="keyword">const </span>= 0;<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="keyword">protected</span>:<a name="l00106"></a>00106 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a>();<a name="l00107"></a>00107 };<a name="l00108"></a>00108 <a name="l00109"></a>00109 <a name="l00116"></a><a class="code" href="class_qwt_plain_text_engine.html">00116</a> <span class="keyword">class </span>QWT_EXPORT QwtPlainTextEngine: <span class="keyword">public</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a><a name="l00117"></a>00117 {<a name="l00118"></a>00118 <span class="keyword">public</span>:<a name="l00119"></a>00119 QwtPlainTextEngine();<a name="l00120"></a>00120 <span class="keyword">virtual</span> ~QwtPlainTextEngine();<a name="l00121"></a>00121 <a name="l00122"></a>00122 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text_engine.html#ac1112e5b1005d020d596dd174bbabf6">heightForWidth</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags, <a name="l00123"></a>00123 <span class="keyword">const</span> QString &text, <span class="keywordtype">int</span> width) <span class="keyword">const</span>;<a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keyword">virtual</span> QSize <a class="code" href="class_qwt_text_engine.html#73214e1778edf6eb870fc96bf9c5091e">textSize</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,<a name="l00126"></a>00126 <span class="keyword">const</span> QString &text) <span class="keyword">const</span>;<a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#cf750dd01aa35f5c9fc836460c30d663">draw</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect,<a name="l00129"></a>00129 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text) <span class="keyword">const</span>;<a name="l00130"></a>00130 <a name="l00131"></a>00131 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text_engine.html#98316f2f6f4f50216ceffbe9babe2901">mightRender</a>(<span class="keyword">const</span> QString &) <span class="keyword">const</span>;<a name="l00132"></a>00132 <a name="l00133"></a>00133 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#d84ebda640e65f23ebd758cd545a5b9a">textMargins</a>(<span class="keyword">const</span> QFont &, <span class="keyword">const</span> QString &,<a name="l00134"></a>00134 <span class="keywordtype">int</span> &left, <span class="keywordtype">int</span> &right, <span class="keywordtype">int</span> &top, <span class="keywordtype">int</span> &bottom) <span class="keyword">const</span>;<a name="l00135"></a>00135 <a name="l00136"></a>00136 <span class="keyword">private</span>:<a name="l00137"></a>00137 <span class="keyword">class </span>PrivateData; <a name="l00138"></a>00138 PrivateData *d_data;<a name="l00139"></a>00139 };<a name="l00140"></a>00140 <a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span><a name="l00143"></a>00143 <span class="preprocessor"></span><a name="l00150"></a><a class="code" href="class_qwt_rich_text_engine.html">00150</a> <span class="keyword">class </span>QWT_EXPORT QwtRichTextEngine: <span class="keyword">public</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a><a name="l00151"></a>00151 {<a name="l00152"></a>00152 <span class="keyword">public</span>:<a name="l00153"></a>00153 QwtRichTextEngine();<a name="l00154"></a>00154 <a name="l00155"></a>00155 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text_engine.html#ac1112e5b1005d020d596dd174bbabf6">heightForWidth</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags, <a name="l00156"></a>00156 <span class="keyword">const</span> QString &text, <span class="keywordtype">int</span> width) <span class="keyword">const</span>;<a name="l00157"></a>00157 <a name="l00158"></a>00158 <span class="keyword">virtual</span> QSize <a class="code" href="class_qwt_text_engine.html#73214e1778edf6eb870fc96bf9c5091e">textSize</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">int</span> flags,<a name="l00159"></a>00159 <span class="keyword">const</span> QString &text) <span class="keyword">const</span>;<a name="l00160"></a>00160 <a name="l00161"></a>00161 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#cf750dd01aa35f5c9fc836460c30d663">draw</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect,<a name="l00162"></a>00162 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text) <span class="keyword">const</span>;<a name="l00163"></a>00163 <a name="l00164"></a>00164 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text_engine.html#98316f2f6f4f50216ceffbe9babe2901">mightRender</a>(<span class="keyword">const</span> QString &) <span class="keyword">const</span>;<a name="l00165"></a>00165 <a name="l00166"></a>00166 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text_engine.html#d84ebda640e65f23ebd758cd545a5b9a">textMargins</a>(<span class="keyword">const</span> QFont &, <span class="keyword">const</span> QString &,<a name="l00167"></a>00167 <span class="keywordtype">int</span> &left, <span class="keywordtype">int</span> &right, <span class="keywordtype">int</span> &top, <span class="keywordtype">int</span> &bottom) <span class="keyword">const</span>;<a name="l00168"></a>00168 <span class="keyword">private</span>:<a name="l00169"></a>00169 QString taggedText(<span class="keyword">const</span> QString &, <span class="keywordtype">int</span> flags) <span class="keyword">const</span>;<a name="l00170"></a>00170 };<a name="l00171"></a>00171 <a name="l00172"></a>00172 <span class="preprocessor">#endif // !QT_NO_RICHTEXT</span><a name="l00173"></a>00173 <span class="preprocessor"></span><a name="l00174"></a>00174 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:39 2007 for Qwt User's Guide by <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>⌨️ 快捷键说明
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