<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: qwt_spline.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>qwt_spline.h</h1> </div> </div> <div class="contents"> <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_SPLINE_H</span> <a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_SPLINE_H</span> <a name="l00012"></a>00012 <span class="preprocessor"></span> <a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span> <a name="l00014"></a>00014 <span class="preprocessor">#include <qpolygon.h></span> <a name="l00015"></a>00015 <span class="preprocessor">#include <qvector.h></span> <a name="l00016"></a>00016 <a name="l00057"></a><a class="code" href="class_qwt_spline.html">00057</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> <a name="l00058"></a>00058 { <a name="l00059"></a>00059 <span class="keyword">public</span>: <a name="l00061"></a><a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231c">00061</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231c" title="Spline type.">SplineType</a> <a name="l00062"></a>00062 { <a name="l00064"></a><a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857">00064</a> <a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857" title="A natural spline.">Natural</a>, <a name="l00065"></a>00065 <a name="l00067"></a><a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca500c12cdbdef35c62e9fab86c5727acb">00067</a> Periodic <a name="l00068"></a>00068 }; <a name="l00069"></a>00069 <a name="l00070"></a>00070 <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a>(); <a name="l00071"></a>00071 <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> & ); <a name="l00072"></a>00072 <a name="l00073"></a>00073 ~<a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a>(); <a name="l00074"></a>00074 <a name="l00075"></a>00075 <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> &operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> & ); <a name="l00076"></a>00076 <a name="l00077"></a>00077 <span class="keywordtype">void</span> setSplineType( SplineType ); <a name="l00078"></a>00078 SplineType splineType() <span class="keyword">const</span>; <a name="l00079"></a>00079 <a name="l00080"></a>00080 <span class="keywordtype">bool</span> setPoints( <span class="keyword">const</span> QPolygonF& points ); <a name="l00081"></a>00081 QPolygonF points() <span class="keyword">const</span>; <a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="keywordtype">void</span> reset(); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>; <a name="l00086"></a>00086 <span class="keywordtype">double</span> value( <span class="keywordtype">double</span> x ) <span class="keyword">const</span>; <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keyword">const</span> QVector<double> &coefficientsA() <span class="keyword">const</span>; <a name="l00089"></a>00089 <span class="keyword">const</span> QVector<double> &coefficientsB() <span class="keyword">const</span>; <a name="l00090"></a>00090 <span class="keyword">const</span> QVector<double> &coefficientsC() <span class="keyword">const</span>; <a name="l00091"></a>00091 <a name="l00092"></a>00092 <span class="keyword">protected</span>: <a name="l00093"></a>00093 <span class="keywordtype">bool</span> buildNaturalSpline( <span class="keyword">const</span> QPolygonF & ); <a name="l00094"></a>00094 <span class="keywordtype">bool</span> buildPeriodicSpline( <span class="keyword">const</span> QPolygonF & ); <a name="l00095"></a>00095 <a name="l00096"></a>00096 <span class="keyword">private</span>: <a name="l00097"></a>00097 <span class="keyword">class </span>PrivateData; <a name="l00098"></a>00098 PrivateData *d_data; <a name="l00099"></a>00099 }; <a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="preprocessor">#endif</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>