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<h1>qwt_polar_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"> * QwtPolar Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2008 Uwe Rathmann</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00007"></a>00007 <span class="comment"> *****************************************************************************/</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef QWT_POLAR_CANVAS_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define QWT_POLAR_CANVAS_H 1</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <qframe.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_polar_global.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_double_rect.h"</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="keyword">class </span>QPainter;
<a name="l00017"></a>00017 <span class="keyword">class </span><a class="code" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a>;
<a name="l00018"></a>00018
<a name="l00027"></a><a class="code" href="class_qwt_polar_canvas.html">00027</a> <span class="keyword">class </span>QWT_POLAR_EXPORT <a class="code" href="class_qwt_polar_canvas.html" title="Canvas of a QwtPolarPlot.">QwtPolarCanvas</a>: <span class="keyword">public</span> QFrame
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 Q_OBJECT
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00044"></a><a class="code" href="class_qwt_polar_canvas.html#371f88face8daaac6cd556e5f7596613">00044</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_polar_canvas.html#371f88face8daaac6cd556e5f7596613" title="Paint attributes.">PaintAttribute</a>
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 PaintCached = 1
<a name="l00047"></a>00047 };
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">explicit</span> <a class="code" href="class_qwt_polar_canvas.html" title="Canvas of a QwtPolarPlot.">QwtPolarCanvas</a>(<a class="code" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> *);
<a name="l00050"></a>00050 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_polar_canvas.html" title="Canvas of a QwtPolarPlot.">QwtPolarCanvas</a>();
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <a class="code" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> *plot();
<a name="l00053"></a>00053 <span class="keyword">const</span> <a class="code" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> *plot() <span class="keyword">const</span>;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">void</span> setPaintAttribute(PaintAttribute, <span class="keywordtype">bool</span> on = <span class="keyword">true</span>);
<a name="l00056"></a>00056 <span class="keywordtype">bool</span> testPaintAttribute(PaintAttribute) <span class="keyword">const</span>;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 QPixmap *paintCache();
<a name="l00059"></a>00059 <span class="keyword">const</span> QPixmap *paintCache() <span class="keyword">const</span>;
<a name="l00060"></a>00060 <span class="keywordtype">void</span> invalidatePaintCache();
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">protected</span>:
<a name="l00063"></a>00063 <span class="keyword">virtual</span> <span class="keywordtype">void</span> paintEvent(QPaintEvent *);
<a name="l00064"></a>00064 <span class="keyword">virtual</span> <span class="keywordtype">void</span> resizeEvent(QResizeEvent *);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawContents(QPainter *);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">void</span> drawCanvas(QPainter *, <span class="keyword">const</span> QwtDoubleRect &);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">class </span>PrivateData;
<a name="l00071"></a>00071 PrivateData *d_data;
<a name="l00072"></a>00072 };
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="preprocessor">#endif</span>
</pre></div></div>
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