qwt__paint__buffer_8h-source.html
来自「QWT5.01用于Qt开发的二维图形库程序」· HTML 代码 · 共 76 行
HTML
76 行
<!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_paint_buffer.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_paint_buffer.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="preprocessor">#ifndef QWT_PAINT_BUFFER_H</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PAINT_BUFFER_H 1</span><a name="l00012"></a>00012 <span class="preprocessor"></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qglobal.h></span><a name="l00014"></a>00014 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00015"></a>00015 <span class="preprocessor"></span><a name="l00016"></a>00016 <span class="preprocessor">#include <qpixmap.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>QPainter;<a name="l00020"></a>00020 <a name="l00029"></a>00029 <span class="keyword">class </span>QWT_EXPORT QwtPaintBuffer<a name="l00030"></a>00030 {<a name="l00031"></a>00031 <span class="keyword">public</span>:<a name="l00032"></a>00032 <span class="keyword">explicit</span> QwtPaintBuffer();<a name="l00033"></a>00033 <span class="keyword">explicit</span> QwtPaintBuffer(QPaintDevice *, <span class="keyword">const</span> QRect &, QPainter *p = NULL);<a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="keyword">virtual</span> ~QwtPaintBuffer();<a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="keywordtype">void</span> open(QPaintDevice *, <span class="keyword">const</span> QRect &, QPainter *p = NULL);<a name="l00038"></a>00038 <span class="keywordtype">void</span> close();<a name="l00039"></a>00039 <a name="l00040"></a>00040 QPainter *painter();<a name="l00041"></a>00041 <span class="keyword">const</span> QPaintDevice *device();<a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="keyword">static</span> <span class="keywordtype">void</span> setEnabled(<span class="keywordtype">bool</span> enable);<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">bool</span> isEnabled();<a name="l00045"></a>00045 <a name="l00047"></a>00047 <span class="keyword">const</span> QPixmap &buffer()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_pixBuffer; }<a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="keyword">protected</span>:<a name="l00050"></a>00050 <span class="keywordtype">void</span> flush();<a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="keyword">private</span>:<a name="l00053"></a>00053 QPixmap d_pixBuffer;<a name="l00054"></a>00054 QRect d_rect;<a name="l00055"></a>00055 <a name="l00056"></a>00056 QPaintDevice *d_device; <span class="comment">// use QGuardedPtr</span><a name="l00057"></a>00057 QPainter *d_painter; <span class="comment">// use QGuardedPtr</span><a name="l00058"></a>00058 QPainter *d_devicePainter; <span class="comment">// use QGuardedPtr</span><a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keyword">static</span> <span class="keywordtype">bool</span> d_enabled;<a name="l00061"></a>00061 };<a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="preprocessor">#endif // QT_VERSION < 0x040000</span><a name="l00064"></a>00064 <span class="preprocessor"></span><a name="l00065"></a>00065 <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
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?