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<h1>qwt_polar_curve.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_CURVE_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define QWT_POLAR_CURVE_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "qwt_polar_global.h"</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_data.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_polar_point.h"</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_polar_item.h"</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="keyword">class </span>QPainter;
<a name="l00018"></a>00018 <span class="keyword">class </span>QwtSymbol;
<a name="l00019"></a>00019 <span class="keyword">class </span>QwtCurveFitter;
<a name="l00020"></a>00020
<a name="l00030"></a><a class="code" href="class_qwt_polar_curve.html">00030</a> <span class="keyword">class </span>QWT_POLAR_EXPORT <a class="code" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keyword">public</span>:
<a name="l00045"></a><a class="code" href="class_qwt_polar_curve.html#6c42c231ee7db4995d90e486737508a6">00045</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_polar_curve.html#6c42c231ee7db4995d90e486737508a6">CurveStyle</a>
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 NoCurve,
<a name="l00048"></a>00048 Lines,
<a name="l00049"></a>00049 UserCurve = 100
<a name="l00050"></a>00050 };
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">explicit</span> <a class="code" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>();
<a name="l00053"></a>00053 <span class="keyword">explicit</span> <a class="code" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>(<span class="keyword">const</span> QwtText &title);
<a name="l00054"></a>00054 <span class="keyword">explicit</span> <a class="code" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>(<span class="keyword">const</span> QString &title);
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_polar_item.html#d40d202e182f572603a682ccab79d7ac">rtti</a>() <span class="keyword">const</span>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">void</span> setData(<span class="keyword">const</span> QwtData &data);
<a name="l00061"></a>00061 QwtData &data();
<a name="l00062"></a>00062 <span class="keyword">const</span> QwtData &data() <span class="keyword">const</span>;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">int</span> dataSize() <span class="keyword">const</span>;
<a name="l00065"></a>00065 <span class="keywordtype">double</span> radius(<span class="keywordtype">int</span> i) <span class="keyword">const</span>;
<a name="l00066"></a>00066 <span class="keywordtype">double</span> azimuth(<span class="keywordtype">int</span> i) <span class="keyword">const</span>;
<a name="l00067"></a>00067 <a class="code" href="class_qwt_polar_point.html" title="A point in polar coordinates.">QwtPolarPoint</a> sample(<span class="keywordtype">int</span> i) <span class="keyword">const</span>;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> setPen(<span class="keyword">const</span> QPen &);
<a name="l00070"></a>00070 <span class="keyword">const</span> QPen &pen() <span class="keyword">const</span>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordtype">void</span> setStyle(CurveStyle style);
<a name="l00073"></a>00073 CurveStyle style() <span class="keyword">const</span>;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordtype">void</span> setSymbol(<span class="keyword">const</span> QwtSymbol &s);
<a name="l00076"></a>00076 <span class="keyword">const</span> QwtSymbol& symbol() <span class="keyword">const</span>;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordtype">void</span> setCurveFitter(QwtCurveFitter *);
<a name="l00079"></a>00079 QwtCurveFitter *curveFitter() <span class="keyword">const</span>;
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_item.html#01cae7a7317b5f038eb311003ecdba43" title="Draw the item.">draw</a>(QPainter *p,
<a name="l00082"></a>00082 <span class="keyword">const</span> QwtScaleMap &azimuthMap, <span class="keyword">const</span> QwtScaleMap &radialMap,
<a name="l00083"></a>00083 <span class="keyword">const</span> QwtDoublePoint &pole, <span class="keywordtype">double</span> radius,
<a name="l00084"></a>00084 <span class="keyword">const</span> QwtDoubleRect &canvasRect) <span class="keyword">const</span>;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_item.html#01cae7a7317b5f038eb311003ecdba43" title="Draw the item.">draw</a>(QPainter *p,
<a name="l00087"></a>00087 <span class="keyword">const</span> QwtScaleMap &azimuthMap, <span class="keyword">const</span> QwtScaleMap &radialMap,
<a name="l00088"></a>00088 <span class="keyword">const</span> QwtDoublePoint &pole,
<a name="l00089"></a>00089 <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to) <span class="keyword">const</span>;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_polar_item.html#45ce7ab5f2ebf1218ae8edfc70c7c2eb" title="Update the widget that represents the item on the legend.">updateLegend</a>(QwtLegend *) <span class="keyword">const</span>;
<a name="l00092"></a>00092 <span class="keyword">virtual</span> QwtDoubleInterval <a class="code" href="class_qwt_polar_item.html#6f7e4b438ec1f12d1d97d52be3846220">boundingInterval</a>(<span class="keywordtype">int</span> scaleId) <span class="keyword">const</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">protected</span>:
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordtype">void</span> init();
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawCurve(QPainter *, <span class="keywordtype">int</span> style,
<a name="l00099"></a>00099 <span class="keyword">const</span> QwtScaleMap &azimuthMap, <span class="keyword">const</span> QwtScaleMap &radialMap,
<a name="l00100"></a>00100 <span class="keyword">const</span> QwtDoublePoint &pole,
<a name="l00101"></a>00101 <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to) <span class="keyword">const</span>;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">void</span> drawSymbols(QPainter *, <span class="keyword">const</span> QwtSymbol &,
<a name="l00104"></a>00104 <span class="keyword">const</span> QwtScaleMap &azimuthMap, <span class="keyword">const</span> QwtScaleMap &radialMap,
<a name="l00105"></a>00105 <span class="keyword">const</span> QwtDoublePoint &pole,
<a name="l00106"></a>00106 <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to) <span class="keyword">const</span>;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">void</span> drawLines(QPainter *,
<a name="l00109"></a>00109 <span class="keyword">const</span> QwtScaleMap &azimuthMap, <span class="keyword">const</span> QwtScaleMap &radialMap,
<a name="l00110"></a>00110 <span class="keyword">const</span> QwtDoublePoint &pole,
<a name="l00111"></a>00111 <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to) <span class="keyword">const</span>;
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keyword">private</span>:
<a name="l00114"></a>00114 QwtData *d_points;
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keyword">class </span>PrivateData;
<a name="l00117"></a>00117 PrivateData *d_data;
<a name="l00118"></a>00118 };
<a name="l00119"></a>00119
<a name="l00121"></a><a class="code" href="class_qwt_polar_curve.html#1ca1350b76144e9f3f13b1fb94c56f6d">00121</a> <span class="keyword">inline</span> QwtData &<a class="code" href="class_qwt_polar_curve.html#1ca1350b76144e9f3f13b1fb94c56f6d">QwtPolarCurve::data</a>()
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="keywordflow">return</span> *d_points;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00127"></a><a class="code" href="class_qwt_polar_curve.html#5e24cf8c0cdbf0a3a6561ba676457a3d">00127</a> <span class="keyword">inline</span> <span class="keyword">const</span> QwtData &<a class="code" href="class_qwt_polar_curve.html#1ca1350b76144e9f3f13b1fb94c56f6d">QwtPolarCurve::data</a>()<span class="keyword"> const</span>
<a name="l00128"></a>00128 <span class="keyword"></span>{
<a name="l00129"></a>00129 <span class="keywordflow">return</span> *d_points;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00136"></a><a class="code" href="class_qwt_polar_curve.html#5c0e7099e8d17b5b5c20b1beb8131302">00136</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_polar_curve.html#5c0e7099e8d17b5b5c20b1beb8131302">QwtPolarCurve::azimuth</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>
<a name="l00137"></a>00137 <span class="keyword"></span>{
<a name="l00138"></a>00138 <span class="keywordflow">return</span> d_points->x(i);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00145"></a><a class="code" href="class_qwt_polar_curve.html#fec2a57679a7457a7a09549b186d3bf4">00145</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_polar_curve.html#fec2a57679a7457a7a09549b186d3bf4">QwtPolarCurve::radius</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>
<a name="l00146"></a>00146 <span class="keyword"></span>{
<a name="l00147"></a>00147 <span class="keywordflow">return</span> d_points->y(i);
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00154"></a><a class="code" href="class_qwt_polar_curve.html#41c2f0f096e8aaa9ef42f62185a032a9">00154</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_polar_point.html" title="A point in polar coordinates.">QwtPolarPoint</a> <a class="code" href="class_qwt_polar_curve.html#41c2f0f096e8aaa9ef42f62185a032a9">QwtPolarCurve::sample</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"></span>{
<a name="l00156"></a>00156 <span class="keywordflow">return</span> <a class="code" href="class_qwt_polar_point.html" title="A point in polar coordinates.">QwtPolarPoint</a>(<a class="code" href="class_qwt_polar_curve.html#5c0e7099e8d17b5b5c20b1beb8131302">azimuth</a>(i), <a class="code" href="class_qwt_polar_curve.html#fec2a57679a7457a7a09549b186d3bf4">radius</a>(i));
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="preprocessor">#endif</span>
</pre></div></div>
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