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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_curve.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_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"> * 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_PLOT_CURVE_H</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_CURVE_H</span><a name="l00012"></a>00012 <span class="preprocessor"></span><a name="l00013"></a>00013 <span class="preprocessor">#include <qpen.h></span><a name="l00014"></a>00014 <span class="preprocessor">#include <qstring.h></span><a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_plot_item.h"</span><a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_text.h"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_polygon.h"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_data.h"</span><a name="l00020"></a>00020 <a name="l00021"></a>00021 <span class="keyword">class </span>QPainter;<a name="l00022"></a>00022 <span class="keyword">class </span><a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>;<a name="l00023"></a>00023 <span class="keyword">class </span><a class="code" href="class_qwt_symbol.html">QwtSymbol</a>;<a name="l00024"></a>00024 <span class="keyword">class </span><a class="code" href="class_qwt_curve_fitter.html">QwtCurveFitter</a>;<a name="l00025"></a>00025 <a name="l00056"></a><a class="code" href="class_qwt_plot_curve.html">00056</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_curve.html">QwtPlotCurve</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a><a name="l00057"></a>00057 {<a name="l00058"></a>00058 <span class="keyword">public</span>:<a name="l00059"></a><a class="code" href="class_qwt_plot_curve.html#c173d5059500d1c783602e33689714f5">00059</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_curve.html#c173d5059500d1c783602e33689714f5">CurveType</a><a name="l00060"></a>00060 {<a name="l00061"></a>00061 Yfx,<a name="l00062"></a>00062 Xfy<a name="l00063"></a>00063 };<a name="l00064"></a>00064 <a name="l00069"></a><a class="code" href="class_qwt_plot_curve.html#15998aa80a11ba6ba80eebabaf773f70">00069</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_curve.html#15998aa80a11ba6ba80eebabaf773f70">CurveStyle</a><a name="l00070"></a>00070 {<a name="l00071"></a>00071 NoCurve,<a name="l00072"></a>00072 <a name="l00073"></a>00073 Lines,<a name="l00074"></a>00074 Sticks,<a name="l00075"></a>00075 Steps,<a name="l00076"></a>00076 Dots,<a name="l00077"></a>00077 <a name="l00078"></a>00078 UserCurve = 100<a name="l00079"></a>00079 };<a name="l00080"></a>00080 <a name="l00085"></a><a class="code" href="class_qwt_plot_curve.html#38064f7de6f026a49db782c365f872c3">00085</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_curve.html#38064f7de6f026a49db782c365f872c3">CurveAttribute</a><a name="l00086"></a>00086 {<a name="l00087"></a>00087 Inverted = 1,<a name="l00088"></a>00088 Fitted = 2<a name="l00089"></a>00089 };<a name="l00090"></a>00090 <a name="l00095"></a><a class="code" href="class_qwt_plot_curve.html#96db1b854c63bfbc452c943251a11b66">00095</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_curve.html#96db1b854c63bfbc452c943251a11b66">PaintAttribute</a><a name="l00096"></a>00096 {<a name="l00097"></a>00097 PaintFiltered = 1,<a name="l00098"></a>00098 ClipPolygons = 2<a name="l00099"></a>00099 };<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_curve.html">QwtPlotCurve</a>();<a name="l00102"></a>00102 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_curve.html">QwtPlotCurve</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &title);<a name="l00103"></a>00103 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_curve.html">QwtPlotCurve</a>(<span class="keyword">const</span> QString &title);<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_curve.html">QwtPlotCurve</a>();<a name="l00106"></a>00106 <a name="l00107"></a>00107 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot_item.html#f153b5a40a60ac626f1c58e69fc4ecad">rtti</a>() <span class="keyword">const</span>;<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="keywordtype">void</span> setCurveType(CurveType);<a name="l00110"></a>00110 CurveType curveType() <span class="keyword">const</span>;<a name="l00111"></a>00111 <a name="l00112"></a>00112 <span class="keywordtype">void</span> setPaintAttribute(PaintAttribute, <span class="keywordtype">bool</span> on = <span class="keyword">true</span>);<a name="l00113"></a>00113 <span class="keywordtype">bool</span> testPaintAttribute(PaintAttribute) <span class="keyword">const</span>;<a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="keywordtype">void</span> setRawData(<span class="keyword">const</span> <span class="keywordtype">double</span> *x, <span class="keyword">const</span> <span class="keywordtype">double</span> *y, <span class="keywordtype">int</span> size);<a name="l00116"></a>00116 <span class="keywordtype">void</span> setData(<span class="keyword">const</span> <span class="keywordtype">double</span> *xData, <span class="keyword">const</span> <span class="keywordtype">double</span> *yData, <span class="keywordtype">int</span> size);<a name="l00117"></a>00117 <span class="keywordtype">void</span> setData(<span class="keyword">const</span> QwtArray<double> &xData, <span class="keyword">const</span> QwtArray<double> &yData);<a name="l00118"></a>00118 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00119"></a>00119 <span class="preprocessor"></span> <span class="keywordtype">void</span> setData(<span class="keyword">const</span> QwtArray<QwtDoublePoint> &data);<a name="l00120"></a>00120 <span class="preprocessor">#else</span><a name="l00121"></a>00121 <span class="preprocessor"></span> <span class="keywordtype">void</span> setData(<span class="keyword">const</span> QPolygonF &data);<a name="l00122"></a>00122 <span class="preprocessor">#endif</span><a name="l00123"></a>00123 <span class="preprocessor"></span> <span class="keywordtype">void</span> setData(<span class="keyword">const</span> <a class="code" href="class_qwt_data.html">QwtData</a> &data);<a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordtype">int</span> closestPoint(<span class="keyword">const</span> QPoint &pos, <span class="keywordtype">double</span> *dist = NULL) <span class="keyword">const</span>;<a name="l00126"></a>00126 <a name="l00127"></a>00127 <a class="code" href="class_qwt_data.html">QwtData</a> &data();<a name="l00128"></a>00128 <span class="keyword">const</span> <a class="code" href="class_qwt_data.html">QwtData</a> &data() <span class="keyword">const</span>;<a name="l00129"></a>00129 <a name="l00130"></a>00130 <span class="keywordtype">int</span> dataSize() <span class="keyword">const</span>;<a name="l00131"></a>00131 <span class="keyword">inline</span> <span class="keywordtype">double</span> x(<span class="keywordtype">int</span> i) <span class="keyword">const</span>;<a name="l00132"></a>00132 <span class="keyword">inline</span> <span class="keywordtype">double</span> y(<span class="keywordtype">int</span> i) <span class="keyword">const</span>;<a name="l00133"></a>00133 ⌨️ 快捷键说明
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