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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_plot_canvas.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_plot_canvas.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) 2002 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_PLOT_CANVAS_H</span><a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_CANVAS_H</span><a name="l00014"></a>00014 <span class="preprocessor"></span><a name="l00015"></a>00015 <span class="preprocessor">#include <qframe.h></span><a name="l00016"></a>00016 <span class="preprocessor">#include <qpen.h></span><a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00018"></a>00018 <a name="l00019"></a>00019 <span class="keyword">class </span><a class="code" href="class_qwt_plot.html">QwtPlot</a>;<a name="l00020"></a>00020 <span class="keyword">class </span>QPixmap;<a name="l00021"></a>00021 <a name="l00028"></a><a class="code" href="class_qwt_plot_canvas.html">00028</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a> : <span class="keyword">public</span> QFrame<a name="l00029"></a>00029 {<a name="l00030"></a>00030 Q_OBJECT<a name="l00031"></a><a class="code" href="class_qwt_plot_canvas.html#7aced0319c0c2bb341ed9e3be2966c46">00031</a> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_qwt_plot.html">QwtPlot</a>;<a name="l00032"></a>00032 <a name="l00033"></a>00033 <span class="keyword">public</span>:<a name="l00034"></a>00034 <a name="l00056"></a><a class="code" href="class_qwt_plot_canvas.html#76066290edb594a71ee09be564563b0f">00056</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#76066290edb594a71ee09be564563b0f">PaintAttribute</a><a name="l00057"></a>00057 {<a name="l00058"></a>00058 PaintCached = 1,<a name="l00059"></a>00059 PaintPacked = 2<a name="l00060"></a>00060 };<a name="l00061"></a>00061 <a name="l00080"></a><a class="code" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">00080</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#89b44e4c28038a674ce211fe9ac2d7be">FocusIndicator</a><a name="l00081"></a>00081 {<a name="l00082"></a>00082 NoFocusIndicator,<a name="l00083"></a>00083 CanvasFocusIndicator,<a name="l00084"></a>00084 ItemFocusIndicator<a name="l00085"></a>00085 };<a name="l00086"></a>00086 <a name="l00087"></a>00087 <span class="keywordtype">void</span> setFocusIndicator(FocusIndicator);<a name="l00088"></a>00088 FocusIndicator focusIndicator() <span class="keyword">const</span>;<a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="keywordtype">void</span> setPaintAttribute(PaintAttribute, <span class="keywordtype">bool</span> on = <span class="keyword">true</span>);<a name="l00091"></a>00091 <span class="keywordtype">bool</span> testPaintAttribute(PaintAttribute) <span class="keyword">const</span>;<a name="l00092"></a>00092 <a name="l00093"></a>00093 QPixmap *paintCache();<a name="l00094"></a>00094 <span class="keyword">const</span> QPixmap *paintCache() <span class="keyword">const</span>;<a name="l00095"></a>00095 <span class="keywordtype">void</span> invalidatePaintCache();<a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="keyword">protected</span>:<a name="l00098"></a>00098 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot.html#ccdb72255f819eb70751e070294496fd">QwtPlotCanvas</a>(<a class="code" href="class_qwt_plot.html">QwtPlot</a> *);<a name="l00099"></a>00099 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a>();<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keyword">virtual</span> <span class="keywordtype">void</span> hideEvent(QHideEvent *);<a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent(QPaintEvent *);<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawContents(QPainter *);<a name="l00106"></a>00106 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFocusIndicator(QPainter *);<a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot.html#dd1b88d8312e2671652d23f8181f2433">drawCanvas</a>(QPainter *painter = NULL);<a name="l00109"></a>00109 <a name="l00110"></a>00110 <span class="keyword">private</span>: <a name="l00111"></a>00111 <span class="keywordtype">void</span> setSystemBackground(<span class="keywordtype">bool</span>);<a name="l00112"></a>00112 <a name="l00113"></a>00113 <span class="keyword">class </span>PrivateData;<a name="l00114"></a>00114 PrivateData *d_data;<a name="l00115"></a>00115 };<a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:37 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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