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<div class="title">qwt_spline.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_SPLINE_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_SPLINE_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qpolygon.h&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qvector.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="class_qwt_spline.html">   57</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_spline.html">QwtSpline</a></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231c">   61</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231c">SplineType</a></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    {</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857">   64</a></span>&#160;        <a class="code" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857">Natural</a>,</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        Periodic</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca500c12cdbdef35c62e9fab86c5727acb">   68</a></span>&#160;    };</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <a class="code" href="class_qwt_spline.html">QwtSpline</a>();</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <a class="code" href="class_qwt_spline.html">QwtSpline</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html">QwtSpline</a> &amp; );</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    ~<a class="code" href="class_qwt_spline.html">QwtSpline</a>();</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <a class="code" href="class_qwt_spline.html">QwtSpline</a> &amp;operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html">QwtSpline</a> &amp; );</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keywordtype">void</span> setSplineType( SplineType );</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    SplineType splineType() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordtype">bool</span> setPoints( <span class="keyword">const</span> QPolygonF&amp; points );</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    QPolygonF points() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordtype">void</span> reset();</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordtype">double</span> value( <span class="keywordtype">double</span> x ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">const</span> QVector&lt;double&gt; &amp;coefficientsA() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keyword">const</span> QVector&lt;double&gt; &amp;coefficientsB() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keyword">const</span> QVector&lt;double&gt; &amp;coefficientsC() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordtype">bool</span> buildNaturalSpline( <span class="keyword">const</span> QPolygonF &amp; );</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordtype">bool</span> buildPeriodicSpline( <span class="keyword">const</span> QPolygonF &amp; );</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keyword">class </span>PrivateData;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    PrivateData *d_data;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;};</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_spline_html_a2bd2bda128f82acd596348eb8d64231c"><div class="ttname"><a href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231c">QwtSpline::SplineType</a></div><div class="ttdeci">SplineType</div><div class="ttdoc">Spline type.</div><div class="ttdef"><b>Definition:</b> qwt_spline.h:62</div></div>
<div class="ttc" id="aclass_qwt_spline_html_a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857"><div class="ttname"><a href="class_qwt_spline.html#a2bd2bda128f82acd596348eb8d64231ca506b78ec81ab6d56a4bbce891490c857">QwtSpline::Natural</a></div><div class="ttdeci">@ Natural</div><div class="ttdoc">A natural spline.</div><div class="ttdef"><b>Definition:</b> qwt_spline.h:64</div></div>
<div class="ttc" id="aclass_qwt_spline_html"><div class="ttname"><a href="class_qwt_spline.html">QwtSpline</a></div><div class="ttdoc">A class for spline interpolation.</div><div class="ttdef"><b>Definition:</b> qwt_spline.h:58</div></div>
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