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<div id="projectname">Qwt User's Guide <span id="projectnumber">5.2.2</span></div>
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<h1>qwt_plot_canvas.h</h1> </div>
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<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" title="A 2-D plotting widget.">QwtPlot</a>;
<a name="l00020"></a>00020 <span class="keyword">class </span>QPixmap;
<a name="l00021"></a>00021
<a name="l00026"></a><a class="code" href="class_qwt_plot_canvas.html">00026</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a> : <span class="keyword">public</span> QFrame
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 Q_OBJECT
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">public</span>:
<a name="l00031"></a>00031
<a name="l00053"></a><a class="code" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f">00053</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#a76066290edb594a71ee09be564563b0f" title="Paint attributes.">PaintAttribute</a>
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 PaintCached = 1,
<a name="l00056"></a>00056 PaintPacked = 2
<a name="l00057"></a>00057 };
<a name="l00058"></a>00058
<a name="l00077"></a><a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be">00077</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_canvas.html#a89b44e4c28038a674ce211fe9ac2d7be" title="Focus indicator.">FocusIndicator</a>
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 NoFocusIndicator,
<a name="l00080"></a>00080 CanvasFocusIndicator,
<a name="l00081"></a>00081 ItemFocusIndicator
<a name="l00082"></a>00082 };
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a>(<a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> *);
<a name="l00085"></a>00085 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_canvas.html" title="Canvas of a QwtPlot.">QwtPlotCanvas</a>();
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> *plot();
<a name="l00088"></a>00088 <span class="keyword">const</span> <a class="code" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> *plot() <span class="keyword">const</span>;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">void</span> setFocusIndicator(FocusIndicator);
<a name="l00091"></a>00091 FocusIndicator focusIndicator() <span class="keyword">const</span>;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordtype">void</span> setPaintAttribute(PaintAttribute, <span class="keywordtype">bool</span> on = <span class="keyword">true</span>);
<a name="l00094"></a>00094 <span class="keywordtype">bool</span> testPaintAttribute(PaintAttribute) <span class="keyword">const</span>;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 QPixmap *paintCache();
<a name="l00097"></a>00097 <span class="keyword">const</span> QPixmap *paintCache() <span class="keyword">const</span>;
<a name="l00098"></a>00098 <span class="keywordtype">void</span> invalidatePaintCache();
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordtype">void</span> replot();
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">protected</span>:
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">void</span> hideEvent(QHideEvent *);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent(QPaintEvent *);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawContents(QPainter *);
<a name="l00108"></a>00108 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawFocusIndicator(QPainter *);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">void</span> drawCanvas(QPainter *painter = NULL);
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">private</span>:
<a name="l00113"></a>00113 <span class="keywordtype">void</span> setSystemBackground(<span class="keywordtype">bool</span>);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">class </span>PrivateData;
<a name="l00116"></a>00116 PrivateData *d_data;
<a name="l00117"></a>00117 };
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="preprocessor">#endif</span>
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