📄 qwt__text_8cpp-source.html
字号:
<!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.cpp 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.cpp</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">#include <qmap.h></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qfont.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include <qcolor.h></span><a name="l00015"></a>00015 <span class="preprocessor">#include <qpen.h></span><a name="l00016"></a>00016 <span class="preprocessor">#include <qbrush.h></span><a name="l00017"></a>00017 <span class="preprocessor">#include <qpainter.h></span><a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_painter.h"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_text_engine.h"</span><a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_text.h"</span><a name="l00021"></a>00021 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include <qapplication.h></span><a name="l00023"></a>00023 <span class="preprocessor">#include <qdesktopwidget.h></span><a name="l00024"></a>00024 <span class="preprocessor">#endif</span><a name="l00025"></a>00025 <span class="preprocessor"></span><a name="l00026"></a>00026 <span class="keyword">class </span>QwtTextEngineDict<a name="l00027"></a>00027 {<a name="l00028"></a>00028 <span class="keyword">public</span>:<a name="l00029"></a>00029 QwtTextEngineDict();<a name="l00030"></a>00030 ~QwtTextEngineDict();<a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="keywordtype">void</span> setTextEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>, <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *);<a name="l00033"></a>00033 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>) <span class="keyword">const</span>;<a name="l00034"></a>00034 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine(<span class="keyword">const</span> QString &, <a name="l00035"></a>00035 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>) <span class="keyword">const</span>;<a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="keyword">private</span>:<a name="l00038"></a>00038 <span class="keyword">typedef</span> QMap<int, QwtTextEngine *> EngineMap;<a name="l00039"></a>00039 <a name="l00040"></a>00040 <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *engine(EngineMap::const_iterator &it)<span class="keyword"> const </span><a name="l00041"></a>00041 <span class="keyword"> </span>{<a name="l00042"></a>00042 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00043"></a>00043 <span class="preprocessor"></span> <span class="keywordflow">return</span> it.data();<a name="l00044"></a>00044 <span class="preprocessor">#else</span><a name="l00045"></a>00045 <span class="preprocessor"></span> <span class="keywordflow">return</span> it.value();<a name="l00046"></a>00046 <span class="preprocessor">#endif</span><a name="l00047"></a>00047 <span class="preprocessor"></span> }<a name="l00048"></a>00048 <a name="l00049"></a>00049 EngineMap d_map;<a name="l00050"></a>00050 };<a name="l00051"></a>00051 <a name="l00052"></a>00052 QwtTextEngineDict::QwtTextEngineDict()<a name="l00053"></a>00053 {<a name="l00054"></a>00054 d_map.insert(QwtText::PlainText, <span class="keyword">new</span> <a class="code" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a>());<a name="l00055"></a>00055 <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span><a name="l00056"></a>00056 <span class="preprocessor"></span> d_map.insert(QwtText::RichText, <span class="keyword">new</span> <a class="code" href="class_qwt_rich_text_engine.html">QwtRichTextEngine</a>());<a name="l00057"></a>00057 <span class="preprocessor">#endif</span><a name="l00058"></a>00058 <span class="preprocessor"></span>}<a name="l00059"></a>00059 <a name="l00060"></a>00060 QwtTextEngineDict::~QwtTextEngineDict()<a name="l00061"></a>00061 {<a name="l00062"></a>00062 <span class="keywordflow">for</span> ( EngineMap::const_iterator it = d_map.begin(); <a name="l00063"></a>00063 it != d_map.end(); ++it )<a name="l00064"></a>00064 {<a name="l00065"></a>00065 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine = (<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *)engine(it);<a name="l00066"></a>00066 <span class="keyword">delete</span> textEngine;<a name="l00067"></a>00067 }<a name="l00068"></a>00068 }<a name="l00069"></a>00069 <a name="l00070"></a>00070 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *QwtTextEngineDict::textEngine(<span class="keyword">const</span> QString& text,<a name="l00071"></a>00071 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)<span class="keyword"> const</span><a name="l00072"></a>00072 <span class="keyword"></span>{<a name="l00073"></a>00073 <span class="keywordflow">if</span> ( format == QwtText::AutoText )<a name="l00074"></a>00074 {<a name="l00075"></a>00075 <span class="keywordflow">for</span> ( EngineMap::const_iterator it = d_map.begin(); <a name="l00076"></a>00076 it != d_map.end(); ++it )<a name="l00077"></a>00077 {<a name="l00078"></a>00078 <span class="keywordflow">if</span> ( it.key() != QwtText::PlainText )<a name="l00079"></a>00079 {<a name="l00080"></a>00080 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = engine(it);<a name="l00081"></a>00081 <span class="keywordflow">if</span> ( e && e->mightRender(text) )<a name="l00082"></a>00082 <span class="keywordflow">return</span> (<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *)e;<a name="l00083"></a>00083 }<a name="l00084"></a>00084 }<a name="l00085"></a>00085 }<a name="l00086"></a>00086 <a name="l00087"></a>00087 EngineMap::const_iterator it = d_map.find(format);<a name="l00088"></a>00088 <span class="keywordflow">if</span> ( it != d_map.end() )<a name="l00089"></a>00089 {<a name="l00090"></a>00090 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = engine(it);<a name="l00091"></a>00091 <span class="keywordflow">if</span> ( e )<a name="l00092"></a>00092 <span class="keywordflow">return</span> e;<a name="l00093"></a>00093 }<a name="l00094"></a>00094 <a name="l00095"></a>00095 it = d_map.find(QwtText::PlainText);<a name="l00096"></a>00096 <span class="keywordflow">return</span> engine(it);<a name="l00097"></a>00097 }<a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="keywordtype">void</span> QwtTextEngineDict::setTextEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format, <a name="l00100"></a>00100 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *engine)<a name="l00101"></a>00101 {<a name="l00102"></a>00102 <span class="keywordflow">if</span> ( format == QwtText::AutoText )<a name="l00103"></a>00103 <span class="keywordflow">return</span>;<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="keywordflow">if</span> ( format == QwtText::PlainText && engine == NULL )<a name="l00106"></a>00106 <span class="keywordflow">return</span>;<a name="l00107"></a>00107 <a name="l00108"></a>00108 EngineMap::const_iterator it = d_map.find(format);<a name="l00109"></a>00109 <span class="keywordflow">if</span> ( it != d_map.end() )<a name="l00110"></a>00110 {<a name="l00111"></a>00111 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = this->engine(it);<a name="l00112"></a>00112 <span class="keywordflow">if</span> ( e )<a name="l00113"></a>00113 <span class="keyword">delete</span> e;<a name="l00114"></a>00114 <a name="l00115"></a>00115 d_map.remove(format);<a name="l00116"></a>00116 }<a name="l00117"></a>00117 <a name="l00118"></a>00118 <span class="keywordflow">if</span> ( engine != NULL )⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -