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<div class="title">qwt_spline.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div>
|
||
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div>
|
||
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div>
|
||
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div>
|
||
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
|
||
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <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> <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> <span class="comment"> *****************************************************************************/</span></div>
|
||
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
|
||
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "qwt_spline.h"</span></div>
|
||
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_spline_parametrization.h"</span></div>
|
||
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "qwt_spline_polynomial.h"</span></div>
|
||
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_bezier.h"</span></div>
|
||
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
|
||
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qpainterpath.h></span></div>
|
||
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
|
||
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>QwtSplineC1P</div>
|
||
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> {</div>
|
||
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">struct </span>param</div>
|
||
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  {</div>
|
||
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  param( <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* p ):</div>
|
||
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  parameter( p )</div>
|
||
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  {</div>
|
||
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  }</div>
|
||
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
|
||
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> parameter->valueIncrement( p1, p2 );</div>
|
||
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  }</div>
|
||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
|
||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* parameter;</div>
|
||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  };</div>
|
||
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
|
||
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">struct </span>paramY</div>
|
||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</div>
|
||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#ab5014b377c1f5f945cd7062109728d41">QwtSplineParametrization::valueIncrementY</a>( p1, p2 );</div>
|
||
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
|
||
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  };</div>
|
||
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
|
||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">struct </span>paramUniform</div>
|
||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div>
|
||
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a>( p1, p2 );</div>
|
||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
|
||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  };</div>
|
||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
|
||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">struct </span>paramCentripetal</div>
|
||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
|
||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a141e850c0e8da729dada0870041c265b">QwtSplineParametrization::valueIncrementCentripetal</a>( p1, p2 );</div>
|
||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
|
||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  };</div>
|
||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
|
||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">struct </span>paramChordal</div>
|
||
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div>
|
||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a02659178ea5377ec5e13d71858456200">QwtSplineParametrization::valueIncrementChordal</a>( p1, p2 );</div>
|
||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
|
||
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  };</div>
|
||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
|
||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">struct </span>paramManhattan</div>
|
||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
|
||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2 )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword"> </span>{</div>
|
||
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#aacfc92b2d904b9644e1e0f4fc77fd7a2">QwtSplineParametrization::valueIncrementManhattan</a>( p1, p2 );</div>
|
||
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
|
||
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div>
|
||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
|
||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">class </span>PathStore</div>
|
||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div>
|
||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">public</span>:</div>
|
||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> size )</div>
|
||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
|
||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  Q_UNUSED(size);</div>
|
||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
|
||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
|
||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1 )</div>
|
||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div>
|
||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  path.moveTo( x1, y1 );</div>
|
||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
|
||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
|
||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keywordtype">double</span> cx1, <span class="keywordtype">double</span> cy1,</div>
|
||
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">double</span> cx2, <span class="keywordtype">double</span> cy2, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 )</div>
|
||
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
|
||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  path.cubicTo( cx1, cy1, cx2, cy2, x2, y2 );</div>
|
||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
|
||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
|
||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> end()</div>
|
||
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
|
||
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  path.closeSubpath();</div>
|
||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
|
||
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
|
||
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  QPainterPath path;</div>
|
||
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  };</div>
|
||
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
|
||
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">class </span>ControlPointsStore</div>
|
||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div>
|
||
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">public</span>:</div>
|
||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">inline</span> ControlPointsStore():</div>
|
||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  m_cp( NULL )</div>
|
||
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
|
||
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
|
||
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
|
||
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> size )</div>
|
||
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  {</div>
|
||
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  controlPoints.resize( size );</div>
|
||
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  m_cp = controlPoints.data();</div>
|
||
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
|
||
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
|
||
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1 )</div>
|
||
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div>
|
||
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  Q_UNUSED( x1 );</div>
|
||
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  Q_UNUSED( y1 );</div>
|
||
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
|
||
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
|
||
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keywordtype">double</span> cx1, <span class="keywordtype">double</span> cy1,</div>
|
||
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">double</span> cx2, <span class="keywordtype">double</span> cy2, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 )</div>
|
||
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div>
|
||
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  Q_UNUSED( x2 );</div>
|
||
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Q_UNUSED( y2 );</div>
|
||
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
|
||
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  QLineF& l = *m_cp++;</div>
|
||
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  l.setLine( cx1, cy1, cx2, cy2 );</div>
|
||
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
|
||
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
|
||
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> end()</div>
|
||
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div>
|
||
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
|
||
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
|
||
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="class_q_vector.html">QVector< QLineF ></a> controlPoints;</div>
|
||
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
|
||
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">private</span>:</div>
|
||
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  QLineF* m_cp;</div>
|
||
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  };</div>
|
||
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
|
||
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">double</span> slopeBoundary( <span class="keywordtype">int</span> boundaryCondition, <span class="keywordtype">double</span> boundaryValue,</div>
|
||
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& p2, <span class="keywordtype">double</span> slope1 )</div>
|
||
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  {</div>
|
||
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx = p2.x() - p1.x();</div>
|
||
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy = p2.y() - p1.y();</div>
|
||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
|
||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">double</span> m = 0.0;</div>
|
||
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
|
||
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">switch</span>( boundaryCondition )</div>
|
||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div>
|
||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028">QwtSpline::Clamped1</a>:</div>
|
||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div>
|
||
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  m = boundaryValue;</div>
|
||
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
|
||
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe">QwtSpline::Clamped2</a>:</div>
|
||
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div>
|
||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> c2 = 0.5 * boundaryValue;</div>
|
||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> c1 = slope1;</div>
|
||
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  m = 0.5 * ( 3.0 * dy / dx - c1 - c2 * dx );</div>
|
||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
|
||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>:</div>
|
||
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  {</div>
|
||
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> c3 = boundaryValue / 6.0;</div>
|
||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  m = c3 * dx * dx + 2 * dy / dx - slope1;</div>
|
||
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a>:</div>
|
||
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div>
|
||
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> s = dy / dx;</div>
|
||
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> r = qBound( 0.0, boundaryValue, 1.0 );</div>
|
||
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
|
||
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  m = s - r * ( s - slope1 );</div>
|
||
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
||
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">default</span>:</div>
|
||
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
|
||
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  m = dy / dx; <span class="comment">// something</span></div>
|
||
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
|
||
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
|
||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
|
||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> m;</div>
|
||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
|
||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
|
||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
|
||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">template</span>< <span class="keyword">class</span> SplineStore ></div>
|
||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParamX(</div>
|
||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF& points )</div>
|
||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div>
|
||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
|
||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> m = spline-><a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
|
||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> ( m.size() != n )</div>
|
||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> SplineStore();</div>
|
||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
|
||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">const</span> QPointF* pd = points.constData();</div>
|
||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* md = m.constData();</div>
|
||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
|
||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  SplineStore store;</div>
|
||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  store.init( m.size() - 1 );</div>
|
||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  store.start( pd[0].x(), pd[0].y() );</div>
|
||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div>
|
||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx3 = ( pd[i + 1].x() - pd[i].x() ) / 3.0;</div>
|
||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
|
||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  store.addCubic( pd[i].x() + dx3, pd[i].y() + md[i] * dx3,</div>
|
||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  pd[i + 1].x() - dx3, pd[i + 1].y() - md[i + 1] * dx3,</div>
|
||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  pd[i + 1].x(), pd[i + 1].y() );</div>
|
||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
|
||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
|
||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> store;</div>
|
||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
|
||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
|
||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">template</span>< <span class="keyword">class</span> SplineStore ></div>
|
||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParamY(</div>
|
||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF& points )</div>
|
||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> {</div>
|
||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
|
||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  QPolygonF pointsFlipped( n );</div>
|
||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n; i++ )</div>
|
||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div>
|
||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  pointsFlipped[i].setX( points[i].y() );</div>
|
||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  pointsFlipped[i].setY( points[i].x() );</div>
|
||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
|
||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
|
||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> m = spline-><a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsFlipped );</div>
|
||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> ( m.size() != n )</div>
|
||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> SplineStore();</div>
|
||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
|
||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> QPointF* pd = pointsFlipped.constData();</div>
|
||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* md = m.constData();</div>
|
||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
|
||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  SplineStore store;</div>
|
||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  store.init( m.size() - 1 );</div>
|
||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  store.start( pd[0].y(), pd[0].x() );</div>
|
||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
|
||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="class_q_vector.html">QVector< QLineF ></a> lines( n );</div>
|
||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div>
|
||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx3 = ( pd[i + 1].x() - pd[i].x() ) / 3.0;</div>
|
||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div>
|
||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  store.addCubic( pd[i].y() + md[i] * dx3, pd[i].x() + dx3,</div>
|
||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  pd[i + 1].y() - md[i + 1] * dx3, pd[i + 1].x() - dx3,</div>
|
||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  pd[i + 1].y(), pd[i + 1].x() );</div>
|
||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
|
||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
|
||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> store;</div>
|
||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> }</div>
|
||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
|
||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keyword">template</span>< <span class="keyword">class</span> SplineStore, <span class="keyword">class</span> Param ></div>
|
||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="keyword">static</span> <span class="keyword">inline</span> SplineStore qwtSplineC1PathParametric(</div>
|
||
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_c1.html">QwtSplineC1</a>* spline, <span class="keyword">const</span> QPolygonF& points, Param param )</div>
|
||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> {</div>
|
||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosing = ( spline-><a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> );</div>
|
||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
|
||
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  QPolygonF pointsX, pointsY;</div>
|
||
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  pointsX.resize( isClosing ? n + 1 : n );</div>
|
||
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  pointsY.resize( isClosing ? n + 1 : n );</div>
|
||
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  QPointF* px = pointsX.data();</div>
|
||
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  QPointF* py = pointsY.data();</div>
|
||
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
|
||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">double</span> t = 0.0;</div>
|
||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
|
||
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  px[0].rx() = py[0].rx() = t;</div>
|
||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  px[0].ry() = p[0].x();</div>
|
||
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  py[0].ry() = p[0].y();</div>
|
||
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
|
||
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">int</span> numParamPoints = 1;</div>
|
||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i < n; i++ )</div>
|
||
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  {</div>
|
||
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( points[i - 1], points[i] );</div>
|
||
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> ( td > 0.0 )</div>
|
||
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  {</div>
|
||
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  t += td;</div>
|
||
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div>
|
||
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  px[numParamPoints].rx() = py[numParamPoints].rx() = t;</div>
|
||
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
|
||
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  px[numParamPoints].ry() = p[i].x();</div>
|
||
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  py[numParamPoints].ry() = p[i].y();</div>
|
||
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
|
||
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  numParamPoints++;</div>
|
||
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
|
||
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
|
||
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
|
||
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> ( isClosing )</div>
|
||
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  {</div>
|
||
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( points[n - 1], points[0] );</div>
|
||
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
|
||
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> ( td > 0.0 )</div>
|
||
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div>
|
||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  t += td;</div>
|
||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
|
||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  px[numParamPoints].rx() = py[numParamPoints].rx() = t;</div>
|
||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
|
||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  px[numParamPoints].ry() = p[0].x();</div>
|
||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  py[numParamPoints].ry() = p[0].y();</div>
|
||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div>
|
||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  numParamPoints++;</div>
|
||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
|
||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
|
||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
|
||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span> ( pointsX.size() != numParamPoints )</div>
|
||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div>
|
||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  pointsX.resize( numParamPoints );</div>
|
||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  pointsY.resize( numParamPoints );</div>
|
||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div>
|
||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
|
||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> slopesX = spline-><a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsX );</div>
|
||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> slopesY = spline-><a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( pointsY );</div>
|
||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
|
||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* mx = slopesX.constData();</div>
|
||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* my = slopesY.constData();</div>
|
||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
|
||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// we don't need it anymore</span></div>
|
||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  pointsX.clear();</div>
|
||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  pointsY.clear();</div>
|
||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
|
||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  SplineStore store;</div>
|
||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  store.init( isClosing ? n : n - 1 );</div>
|
||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  store.start( points[0].x(), points[0].y() );</div>
|
||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
|
||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordtype">int</span> j = 0;</div>
|
||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
|
||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div>
|
||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keyword">const</span> QPointF& p1 = p[i];</div>
|
||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">const</span> QPointF& p2 = p[i + 1];</div>
|
||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
|
||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( p1, p2 );</div>
|
||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
|
||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> ( td != 0.0 )</div>
|
||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  {</div>
|
||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> t3 = td / 3.0;</div>
|
||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
|
||
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cx1 = p1.x() + mx[j] * t3;</div>
|
||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cy1 = p1.y() + my[j] * t3;</div>
|
||
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  </div>
|
||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cx2 = p2.x() - mx[j + 1] * t3;</div>
|
||
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cy2 = p2.y() - my[j + 1] * t3;</div>
|
||
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
|
||
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  store.addCubic( cx1, cy1, cx2, cy2, p2.x(), p2.y() );</div>
|
||
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
|
||
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  j++;</div>
|
||
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
|
||
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div>
|
||
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">// setting control points to the ends</span></div>
|
||
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  store.addCubic( p1.x(), p1.y(), p2.x(), p2.y(), p2.x(), p2.y() );</div>
|
||
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
|
||
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
|
||
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
|
||
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">if</span> ( isClosing )</div>
|
||
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  {</div>
|
||
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">const</span> QPointF& p1 = p[n - 1];</div>
|
||
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keyword">const</span> QPointF& p2 = p[0];</div>
|
||
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
|
||
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> td = param( p1, p2 );</div>
|
||
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  </div>
|
||
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">if</span> ( td != 0.0 )</div>
|
||
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  {</div>
|
||
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> t3 = td / 3.0;</div>
|
||
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div>
|
||
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cx1 = p1.x() + mx[j] * t3;</div>
|
||
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cy1 = p1.y() + my[j] * t3;</div>
|
||
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
|
||
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cx2 = p2.x() - mx[0] * t3;</div>
|
||
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> cy2 = p2.y() - my[0] * t3;</div>
|
||
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
|
||
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  store.addCubic( cx1, cy1, cx2, cy2, p2.x(), p2.y() );</div>
|
||
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
|
||
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  {</div>
|
||
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  store.addCubic( p1.x(), p1.y(), p2.x(), p2.y(), p2.x(), p2.y() );</div>
|
||
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
|
||
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
|
||
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  store.end();</div>
|
||
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
|
||
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
|
||
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> store;</div>
|
||
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> }</div>
|
||
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  </div>
|
||
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="keyword">template</span>< QwtSplinePolynomial toPolynomial( const QPo<span class="keywordtype">int</span>F&, <span class="keywordtype">double</span>, const QPo<span class="keywordtype">int</span>F&, <span class="keywordtype">double</span> ) ></div>
|
||
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">static</span> QPolygonF qwtPolygonParametric( <span class="keywordtype">double</span> distance,</div>
|
||
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">const</span> QPolygonF& points, <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a>& values, <span class="keywordtype">bool</span> withNodes )</div>
|
||
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> {</div>
|
||
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  QPolygonF fittedPoints;</div>
|
||
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
|
||
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* v = values.constData();</div>
|
||
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
|
||
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  fittedPoints += p[0];</div>
|
||
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">double</span> t = distance;</div>
|
||
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
|
||
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  </div>
|
||
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  {</div>
|
||
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keyword">const</span> QPointF& p1 = p[i];</div>
|
||
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">const</span> QPointF& p2 = p[i + 1];</div>
|
||
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
|
||
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> polynomial = toPolynomial( p1, v[i], p2, v[i + 1] );</div>
|
||
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
|
||
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> l = p2.x() - p1.x();</div>
|
||
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  </div>
|
||
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">while</span> ( t < l )</div>
|
||
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div>
|
||
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  fittedPoints += QPointF( p1.x() + t, p1.y() + polynomial.<a class="code" href="class_qwt_spline_polynomial.html#a31aa00624298eb0f7f0796d6d58ab38e">valueAt</a>( t ) );</div>
|
||
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  t += distance;</div>
|
||
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
|
||
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  </div>
|
||
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> ( withNodes )</div>
|
||
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  {</div>
|
||
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> ( qFuzzyCompare( fittedPoints.last().x(), p2.x() ) )</div>
|
||
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  fittedPoints.last() = p2;</div>
|
||
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  fittedPoints += p2;</div>
|
||
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
|
||
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  {</div>
|
||
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  t -= l;</div>
|
||
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div>
|
||
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
|
||
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
|
||
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> fittedPoints;</div>
|
||
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> }</div>
|
||
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  </div>
|
||
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="keyword">class </span>QwtSpline::PrivateData</div>
|
||
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> {</div>
|
||
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keyword">public</span>:</div>
|
||
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  PrivateData()</div>
|
||
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  : <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>( <a class="code" href="class_qwt_spline.html">QwtSpline</a>::<a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711">ConditionalBoundaries</a> )</div>
|
||
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  {</div>
|
||
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> = <span class="keyword">new</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>(</div>
|
||
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a> );</div>
|
||
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  </div>
|
||
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// parabolic runout at both ends</span></div>
|
||
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div>
|
||
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  boundaryConditions[0].type = <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>;</div>
|
||
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  boundaryConditions[0].value = 0.0;</div>
|
||
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
|
||
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  boundaryConditions[1].type = <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a>;</div>
|
||
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  boundaryConditions[1].value = 0.0;</div>
|
||
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div>
|
||
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
|
||
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  ~PrivateData()</div>
|
||
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  {</div>
|
||
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">delete</span> <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
|
||
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
|
||
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
|
||
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
|
||
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a> <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>;</div>
|
||
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
||
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keyword">struct</span></div>
|
||
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  {</div>
|
||
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordtype">int</span> type;</div>
|
||
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordtype">double</span> value;</div>
|
||
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  </div>
|
||
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  } boundaryConditions[2];</div>
|
||
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> };</div>
|
||
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  </div>
|
||
<div class="line"><a name="l00496"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d"> 496</a></span> QPolygonF <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">QwtSpline::polygon</a>( <span class="keyword">const</span> QPolygonF& points, <span class="keywordtype">double</span> tolerance )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">if</span> ( tolerance <= 0.0 )</div>
|
||
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  </div>
|
||
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">const</span> QPainterPath path = <a class="code" href="class_qwt_spline.html#a34c5ddda039f15ec71de0523d9753b64">painterPath</a>( points );</div>
|
||
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = path.elementCount();</div>
|
||
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> ( n == 0 )</div>
|
||
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
|
||
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">const</span> QPainterPath::Element el = path.elementAt( 0 );</div>
|
||
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> ( el.type != QPainterPath::MoveToElement )</div>
|
||
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  </div>
|
||
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  QPointF p1( el.x, el.y );</div>
|
||
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
|
||
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  QPolygonF <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a>;</div>
|
||
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <a class="code" href="class_qwt_bezier.html">QwtBezier</a> bezier( tolerance );</div>
|
||
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
|
||
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i < n; i += 3 )</div>
|
||
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  {</div>
|
||
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keyword">const</span> QPainterPath::Element el1 = path.elementAt( i );</div>
|
||
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">const</span> QPainterPath::Element el2 = path.elementAt( i + 1 );</div>
|
||
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keyword">const</span> QPainterPath::Element el3 = path.elementAt( i + 2 );</div>
|
||
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
|
||
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keyword">const</span> QPointF cp1( el1.x, el1.y );</div>
|
||
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keyword">const</span> QPointF cp2( el2.x, el2.y );</div>
|
||
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">const</span> QPointF p2( el3.x, el3.y );</div>
|
||
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
|
||
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p1, cp1, cp2, p2, <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a> );</div>
|
||
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
|
||
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  p1 = p2;</div>
|
||
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  }</div>
|
||
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  </div>
|
||
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">polygon</a>;</div>
|
||
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> }</div>
|
||
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  </div>
|
||
<div class="line"><a name="l00540"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93"> 540</a></span> <a class="code" href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">QwtSpline::QwtSpline</a>()</div>
|
||
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> {</div>
|
||
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  m_data = <span class="keyword">new</span> PrivateData;</div>
|
||
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> }</div>
|
||
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  </div>
|
||
<div class="line"><a name="l00546"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6"> 546</a></span> <a class="code" href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">QwtSpline::~QwtSpline</a>()</div>
|
||
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> {</div>
|
||
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keyword">delete</span> m_data;</div>
|
||
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> }</div>
|
||
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  </div>
|
||
<div class="line"><a name="l00564"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595"> 564</a></span> uint <a class="code" href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">QwtSpline::locality</a>()<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> 0;</div>
|
||
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> }</div>
|
||
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  </div>
|
||
<div class="line"><a name="l00576"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3"> 576</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a>( <span class="keywordtype">int</span> type )</div>
|
||
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> {</div>
|
||
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span> ( m_data->parametrization->type() != type )</div>
|
||
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  {</div>
|
||
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keyword">delete</span> m_data->parametrization;</div>
|
||
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  m_data->parametrization = <span class="keyword">new</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>( type );</div>
|
||
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  }</div>
|
||
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> }</div>
|
||
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  </div>
|
||
<div class="line"><a name="l00592"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a7d2dd1a36183afc5394ee6b39c09bc8c"> 592</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a>( <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* parametrization )</div>
|
||
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> {</div>
|
||
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> != NULL ) && ( m_data->parametrization != <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> ) )</div>
|
||
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  {</div>
|
||
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keyword">delete</span> m_data->parametrization;</div>
|
||
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  m_data->parametrization = <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>;</div>
|
||
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  }</div>
|
||
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> }</div>
|
||
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  </div>
|
||
<div class="line"><a name="l00605"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b"> 605</a></span> <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">QwtSpline::parametrization</a>()<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">return</span> m_data->parametrization;</div>
|
||
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> }</div>
|
||
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  </div>
|
||
<div class="line"><a name="l00617"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785"> 617</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">QwtSpline::setBoundaryType</a>( <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">BoundaryType</a> boundaryType )</div>
|
||
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> {</div>
|
||
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  m_data->boundaryType = <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>;</div>
|
||
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> }</div>
|
||
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  </div>
|
||
<div class="line"><a name="l00626"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d"> 626</a></span> <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a> <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">QwtSpline::boundaryType</a>()<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">return</span> m_data->boundaryType;</div>
|
||
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> }</div>
|
||
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  </div>
|
||
<div class="line"><a name="l00639"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052"> 639</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">QwtSpline::setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position, <span class="keywordtype">int</span> condition )</div>
|
||
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> {</div>
|
||
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
|
||
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  m_data->boundaryConditions[position].type = condition;</div>
|
||
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> }</div>
|
||
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  </div>
|
||
<div class="line"><a name="l00651"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee"> 651</a></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">QwtSpline::boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
|
||
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">return</span> m_data->boundaryConditions[position].type;</div>
|
||
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  </div>
|
||
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">return</span> m_data->boundaryConditions[0].type; <span class="comment">// should never happen</span></div>
|
||
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> }</div>
|
||
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  </div>
|
||
<div class="line"><a name="l00670"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b"> 670</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">QwtSpline::setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position, <span class="keywordtype">double</span> value )</div>
|
||
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> {</div>
|
||
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
|
||
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  m_data->boundaryConditions[position].value = value;</div>
|
||
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> }</div>
|
||
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  </div>
|
||
<div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec"> 682</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">QwtSpline::boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> position )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> ( ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ) || ( position == <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> ) )</div>
|
||
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">return</span> m_data->boundaryConditions[position].value;</div>
|
||
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  </div>
|
||
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">return</span> m_data->boundaryConditions[0].value; <span class="comment">// should never happen</span></div>
|
||
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> }</div>
|
||
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  </div>
|
||
<div class="line"><a name="l00700"></a><span class="lineno"><a class="line" href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3"> 700</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">QwtSpline::setBoundaryConditions</a>(</div>
|
||
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordtype">int</span> condition, <span class="keywordtype">double</span> valueBegin, <span class="keywordtype">double</span> valueEnd )</div>
|
||
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> {</div>
|
||
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a>, condition );</div>
|
||
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a>, valueBegin );</div>
|
||
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  </div>
|
||
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <a class="code" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">setBoundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a>, condition );</div>
|
||
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <a class="code" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">setBoundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a>, valueEnd );</div>
|
||
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> }</div>
|
||
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  </div>
|
||
<div class="line"><a name="l00711"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5"> 711</a></span> <a class="code" href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">QwtSplineInterpolating::QwtSplineInterpolating</a>()</div>
|
||
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> {</div>
|
||
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> }</div>
|
||
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  </div>
|
||
<div class="line"><a name="l00716"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4"> 716</a></span> <a class="code" href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">QwtSplineInterpolating::~QwtSplineInterpolating</a>()</div>
|
||
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> {</div>
|
||
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> }</div>
|
||
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  </div>
|
||
<div class="line"><a name="l00748"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4"> 748</a></span> QPainterPath <a class="code" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  </div>
|
||
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  QPainterPath path;</div>
|
||
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">if</span> ( n == 0 )</div>
|
||
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  </div>
|
||
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="keywordflow">if</span> ( n == 1 )</div>
|
||
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  {</div>
|
||
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  path.moveTo( points[0] );</div>
|
||
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  }</div>
|
||
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  </div>
|
||
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">if</span> ( n == 2 )</div>
|
||
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  {</div>
|
||
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  path.addPolygon( points );</div>
|
||
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  }</div>
|
||
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  </div>
|
||
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
|
||
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordflow">if</span> ( controlLines.size() < n - 1 )</div>
|
||
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  </div>
|
||
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keyword">const</span> QLineF* l = controlLines.constData();</div>
|
||
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  </div>
|
||
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  path.moveTo( p[0] );</div>
|
||
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  path.cubicTo( l[i].p1(), l[i].p2(), p[i + 1] );</div>
|
||
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  </div>
|
||
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> )</div>
|
||
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  && ( controlLines.size() >= n ) )</div>
|
||
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  {</div>
|
||
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  path.cubicTo( l[n - 1].p1(), l[n - 1].p2(), p[0] );</div>
|
||
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  path.closeSubpath();</div>
|
||
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div>
|
||
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  </div>
|
||
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> }</div>
|
||
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  </div>
|
||
<div class="line"><a name="l00805"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2"> 805</a></span> QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">QwtSplineInterpolating::polygon</a>(</div>
|
||
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keyword">const</span> QPolygonF& points, <span class="keywordtype">double</span> tolerance )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordflow">if</span> ( tolerance <= 0.0 )</div>
|
||
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  </div>
|
||
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
|
||
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span> ( controlLines.isEmpty() )</div>
|
||
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  </div>
|
||
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosed = <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a>;</div>
|
||
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  </div>
|
||
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <a class="code" href="class_qwt_bezier.html">QwtBezier</a> bezier( tolerance );</div>
|
||
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  </div>
|
||
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keyword">const</span> QLineF* cl = controlLines.constData();</div>
|
||
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  </div>
|
||
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = controlLines.size();</div>
|
||
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
|
||
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a>;</div>
|
||
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  </div>
|
||
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  {</div>
|
||
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keyword">const</span> QLineF& l = cl[i];</div>
|
||
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p[i], l.p1(), l.p2(), p[i + 1], <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a> );</div>
|
||
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  }</div>
|
||
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  </div>
|
||
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keyword">const</span> QPointF& pn = isClosed ? p[0] : p[n];</div>
|
||
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keyword">const</span> QLineF& l = cl[n - 1];</div>
|
||
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  </div>
|
||
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  bezier.<a class="code" href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">appendToPolygon</a>( p[n - 1], l.p1(), l.p2(), pn, <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a> );</div>
|
||
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  </div>
|
||
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a>;</div>
|
||
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> }</div>
|
||
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  </div>
|
||
<div class="line"><a name="l00863"></a><span class="lineno"><a class="line" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db"> 863</a></span> QPolygonF <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF& points,</div>
|
||
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">if</span> ( distance <= 0.0 )</div>
|
||
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  </div>
|
||
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">if</span> ( n <= 1 )</div>
|
||
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">return</span> points;</div>
|
||
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  </div>
|
||
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">if</span> ( n == 2 )</div>
|
||
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  {</div>
|
||
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="comment">// TODO</span></div>
|
||
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">return</span> points;</div>
|
||
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  }</div>
|
||
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  </div>
|
||
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  QPolygonF path;</div>
|
||
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  </div>
|
||
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a> controlLines = <a class="code" href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">bezierControlLines</a>( points );</div>
|
||
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  </div>
|
||
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">if</span> ( controlLines.size() < n - 1 )</div>
|
||
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  </div>
|
||
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  path += points.first();</div>
|
||
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordtype">double</span> t = distance;</div>
|
||
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  </div>
|
||
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keyword">const</span> QLineF* cl = controlLines.constData();</div>
|
||
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  </div>
|
||
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* param = <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>();</div>
|
||
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  </div>
|
||
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  {</div>
|
||
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> l = param-><a class="code" href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">valueIncrement</a>( p[i], p[i + 1] );</div>
|
||
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  </div>
|
||
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keywordflow">while</span> ( t < l )</div>
|
||
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  {</div>
|
||
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  path += <a class="code" href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a>( p[i], cl[i].p1(),</div>
|
||
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  cl[i].p2(), p[i + 1], t / l );</div>
|
||
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  </div>
|
||
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  t += distance;</div>
|
||
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  }</div>
|
||
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  </div>
|
||
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordflow">if</span> ( withNodes )</div>
|
||
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  {</div>
|
||
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">if</span> ( qFuzzyCompare( path.last().x(), p[i + 1].x() ) )</div>
|
||
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  path.last() = p[i + 1];</div>
|
||
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  path += p[i + 1];</div>
|
||
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  </div>
|
||
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  t = distance;</div>
|
||
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  }</div>
|
||
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  {</div>
|
||
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  t -= l;</div>
|
||
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  }</div>
|
||
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  }</div>
|
||
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  </div>
|
||
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keywordflow">if</span> ( ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> )</div>
|
||
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  && ( controlLines.size() >= n ) )</div>
|
||
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  {</div>
|
||
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> l = param-><a class="code" href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">valueIncrement</a>( p[n - 1], p[0] );</div>
|
||
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  </div>
|
||
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">while</span> ( t < l )</div>
|
||
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  {</div>
|
||
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  path += <a class="code" href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a>( p[n - 1], cl[n - 1].p1(),</div>
|
||
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  cl[n - 1].p2(), p[0], t / l );</div>
|
||
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  </div>
|
||
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  t += distance;</div>
|
||
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  }</div>
|
||
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  </div>
|
||
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span> ( qFuzzyCompare( path.last().x(), p[0].x() ) )</div>
|
||
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  path.last() = p[0];</div>
|
||
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">else</span></div>
|
||
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  path += p[0];</div>
|
||
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  }</div>
|
||
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  </div>
|
||
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">return</span> path;</div>
|
||
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span> }</div>
|
||
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  </div>
|
||
<div class="line"><a name="l00944"></a><span class="lineno"><a class="line" href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d"> 944</a></span> <a class="code" href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">QwtSplineG1::QwtSplineG1</a>()</div>
|
||
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> {</div>
|
||
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> }</div>
|
||
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  </div>
|
||
<div class="line"><a name="l00949"></a><span class="lineno"><a class="line" href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f"> 949</a></span> <a class="code" href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">QwtSplineG1::~QwtSplineG1</a>()</div>
|
||
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> {</div>
|
||
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> }</div>
|
||
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  </div>
|
||
<div class="line"><a name="l00962"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5"> 962</a></span> <a class="code" href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">QwtSplineC1::QwtSplineC1</a>()</div>
|
||
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> {</div>
|
||
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">setParametrization</a>( <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> );</div>
|
||
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> }</div>
|
||
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  </div>
|
||
<div class="line"><a name="l00968"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b"> 968</a></span> <a class="code" href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">QwtSplineC1::~QwtSplineC1</a>()</div>
|
||
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> {</div>
|
||
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> }</div>
|
||
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  </div>
|
||
<div class="line"><a name="l00979"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48"> 979</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">QwtSplineC1::slopeAtBeginning</a>( <span class="keyword">const</span> QPolygonF& points, <span class="keywordtype">double</span> slopeNext )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  <span class="keywordflow">if</span> ( points.size() < 2 )</div>
|
||
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">return</span> 0.0;</div>
|
||
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  </div>
|
||
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordflow">return</span> QwtSplineC1P::slopeBoundary(</div>
|
||
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ),</div>
|
||
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a> ),</div>
|
||
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  points[0], points[1], slopeNext );</div>
|
||
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> }</div>
|
||
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  </div>
|
||
<div class="line"><a name="l00997"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e"> 997</a></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">QwtSplineC1::slopeAtEnd</a>( <span class="keyword">const</span> QPolygonF& points, <span class="keywordtype">double</span> slopeBefore )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  </div>
|
||
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  <span class="keyword">const</span> QPointF p1( points[n - 1].x(), -points[n - 1].y() );</div>
|
||
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keyword">const</span> QPointF p2( points[n - 2].x(), -points[n - 2].y() );</div>
|
||
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  </div>
|
||
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> condition = <a class="code" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">boundaryCondition</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> );</div>
|
||
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
|
||
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordtype">double</span> value = <a class="code" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">boundaryValue</a>( <a class="code" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a> );</div>
|
||
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordflow">if</span> ( condition != <a class="code" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a> )</div>
|
||
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  {</div>
|
||
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="comment">// beside LinearRunout the boundaryValue is a slope or curvature</span></div>
|
||
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="comment">// and needs to be inverted too</span></div>
|
||
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  value = -value;</div>
|
||
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  }</div>
|
||
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  </div>
|
||
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> slope = QwtSplineC1P::slopeBoundary( condition, value, p1, p2, -slopeBefore );</div>
|
||
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="keywordflow">return</span> -slope;</div>
|
||
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> }</div>
|
||
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  </div>
|
||
<div class="line"><a name="l01043"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80"> 1043</a></span> QPainterPath <a class="code" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keywordflow">if</span> ( n <= 2 )</div>
|
||
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a>( points );</div>
|
||
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  </div>
|
||
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="keyword">using namespace </span>QwtSplineC1P;</div>
|
||
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  </div>
|
||
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  PathStore store;</div>
|
||
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keywordflow">switch</span>( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()->type() )</div>
|
||
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  {</div>
|
||
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a>:</div>
|
||
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  {</div>
|
||
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  store = qwtSplineC1PathParamX< PathStore >( <span class="keyword">this</span>, points );</div>
|
||
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  }</div>
|
||
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a>:</div>
|
||
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  {</div>
|
||
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  store = qwtSplineC1PathParamY< PathStore >( <span class="keyword">this</span>, points );</div>
|
||
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  }</div>
|
||
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a>:</div>
|
||
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  {</div>
|
||
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  store = qwtSplineC1PathParametric< PathStore >(</div>
|
||
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="keyword">this</span>, points, paramUniform() );</div>
|
||
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  }</div>
|
||
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a>:</div>
|
||
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  {</div>
|
||
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  store = qwtSplineC1PathParametric< PathStore >(</div>
|
||
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keyword">this</span>, points, paramCentripetal() );</div>
|
||
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  }</div>
|
||
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a>:</div>
|
||
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  {</div>
|
||
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  store = qwtSplineC1PathParametric< PathStore >(</div>
|
||
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="keyword">this</span>, points, paramChordal() );</div>
|
||
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  }</div>
|
||
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordflow">default</span>:</div>
|
||
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  {</div>
|
||
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  store = qwtSplineC1PathParametric< PathStore >(</div>
|
||
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keyword">this</span>, points, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
|
||
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  }</div>
|
||
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  }</div>
|
||
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  </div>
|
||
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keywordflow">return</span> store.path;</div>
|
||
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span> }</div>
|
||
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  </div>
|
||
<div class="line"><a name="l01101"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e"> 1101</a></span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a> <a class="code" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keyword">using namespace </span>QwtSplineC1P;</div>
|
||
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  </div>
|
||
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="keywordflow">if</span> ( n <= 2 )</div>
|
||
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">return</span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a>();</div>
|
||
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  </div>
|
||
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  ControlPointsStore store;</div>
|
||
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="keywordflow">switch</span>( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()->type() )</div>
|
||
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  {</div>
|
||
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a>:</div>
|
||
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  {</div>
|
||
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  store = qwtSplineC1PathParamX< ControlPointsStore >( <span class="keyword">this</span>, points );</div>
|
||
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  }</div>
|
||
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a>:</div>
|
||
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  {</div>
|
||
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  store = qwtSplineC1PathParamY< ControlPointsStore >( <span class="keyword">this</span>, points );</div>
|
||
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  }</div>
|
||
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a>:</div>
|
||
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  {</div>
|
||
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  store = qwtSplineC1PathParametric< ControlPointsStore >(</div>
|
||
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  <span class="keyword">this</span>, points, paramUniform() );</div>
|
||
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  }</div>
|
||
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a>:</div>
|
||
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  {</div>
|
||
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  store = qwtSplineC1PathParametric< ControlPointsStore >(</div>
|
||
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="keyword">this</span>, points, paramCentripetal() );</div>
|
||
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  }</div>
|
||
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">case</span> <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a>:</div>
|
||
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  {</div>
|
||
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  store = qwtSplineC1PathParametric< ControlPointsStore >(</div>
|
||
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keyword">this</span>, points, paramChordal() );</div>
|
||
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">break</span>;</div>
|
||
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  }</div>
|
||
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="keywordflow">default</span>:</div>
|
||
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  {</div>
|
||
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  store = qwtSplineC1PathParametric< ControlPointsStore >(</div>
|
||
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keyword">this</span>, points, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
|
||
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  }</div>
|
||
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  }</div>
|
||
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  </div>
|
||
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">return</span> store.controlPoints;</div>
|
||
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span> }</div>
|
||
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  </div>
|
||
<div class="line"><a name="l01167"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b"> 1167</a></span> QPolygonF <a class="code" href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">QwtSplineC1::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF& points,</div>
|
||
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()->type() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> )</div>
|
||
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  {</div>
|
||
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">if</span> ( points.size() > 2 )</div>
|
||
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  {</div>
|
||
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
|
||
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="keywordflow">if</span> ( m.size() != points.size() )</div>
|
||
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  </div>
|
||
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  <span class="keywordflow">return</span> qwtPolygonParametric< QwtSplinePolynomial::fromSlopes >(</div>
|
||
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  distance, points, m, withNodes );</div>
|
||
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  }</div>
|
||
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  }</div>
|
||
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  </div>
|
||
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( points, distance, withNodes );</div>
|
||
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span> }</div>
|
||
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  </div>
|
||
<div class="line"><a name="l01201"></a><span class="lineno"><a class="line" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543"> 1201</a></span> <a class="code" href="class_q_vector.html">QVector< QwtSplinePolynomial ></a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">QwtSplineC1::polynomials</a>(</div>
|
||
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <a class="code" href="class_q_vector.html">QVector< QwtSplinePolynomial ></a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  </div>
|
||
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( points );</div>
|
||
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="keywordflow">if</span> ( m.size() < 2 )</div>
|
||
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  </div>
|
||
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>.reserve( m.size() - 1 );</div>
|
||
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i < m.size(); i++ )</div>
|
||
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  {</div>
|
||
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a> += <a class="code" href="class_qwt_spline_polynomial.html#a2f7c84dbfe6354d771d15fa95934ea07">QwtSplinePolynomial::fromSlopes</a>(</div>
|
||
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  points[i - 1], m[i - 1], points[i], m[i] );</div>
|
||
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  }</div>
|
||
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  </div>
|
||
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span> }</div>
|
||
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  </div>
|
||
<div class="line"><a name="l01228"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809"> 1228</a></span> <a class="code" href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809">QwtSplineC2::QwtSplineC2</a>()</div>
|
||
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span> {</div>
|
||
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span> }</div>
|
||
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  </div>
|
||
<div class="line"><a name="l01233"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea"> 1233</a></span> <a class="code" href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea">QwtSplineC2::~QwtSplineC2</a>()</div>
|
||
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> {</div>
|
||
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span> }</div>
|
||
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  </div>
|
||
<div class="line"><a name="l01249"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428"> 1249</a></span> QPainterPath <a class="code" href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428">QwtSplineC2::painterPath</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="comment">// could be implemented from curvatures without the extra</span></div>
|
||
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  <span class="comment">// loop for calculating the slopes vector. TODO ...</span></div>
|
||
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  </div>
|
||
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a>( points );</div>
|
||
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span> }</div>
|
||
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  </div>
|
||
<div class="line"><a name="l01270"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be"> 1270</a></span> <a class="code" href="class_q_vector.html">QVector< QLineF ></a> <a class="code" href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be">QwtSplineC2::bezierControlLines</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  <span class="comment">// could be implemented from curvatures without the extra</span></div>
|
||
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  <span class="comment">// loop for calculating the slopes vector. TODO ...</span></div>
|
||
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  </div>
|
||
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a>( points );</div>
|
||
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> }</div>
|
||
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  </div>
|
||
<div class="line"><a name="l01295"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca"> 1295</a></span> QPolygonF <a class="code" href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca">QwtSplineC2::equidistantPolygon</a>( <span class="keyword">const</span> QPolygonF& points,</div>
|
||
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> withNodes )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()->type() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a> )</div>
|
||
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  {</div>
|
||
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="keywordflow">if</span> ( points.size() > 2 )</div>
|
||
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  {</div>
|
||
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> cv = curvatures( points );</div>
|
||
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="keywordflow">if</span> ( cv.size() != points.size() )</div>
|
||
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="keywordflow">return</span> QPolygonF();</div>
|
||
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  </div>
|
||
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="keywordflow">return</span> qwtPolygonParametric< QwtSplinePolynomial::fromCurvatures >(</div>
|
||
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  distance, points, cv, withNodes );</div>
|
||
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  }</div>
|
||
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  }</div>
|
||
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  </div>
|
||
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a>( points, distance, withNodes );</div>
|
||
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span> }</div>
|
||
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  </div>
|
||
<div class="line"><a name="l01339"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617"> 1339</a></span> <a class="code" href="class_q_vector.html">QVector< double ></a> <a class="code" href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617">QwtSplineC2::slopes</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> curvatures = this->curvatures( points );</div>
|
||
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  <span class="keywordflow">if</span> ( curvatures.size() < 2 )</div>
|
||
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keywordflow">return</span> <a class="code" href="class_q_vector.html">QVector< double ></a>();</div>
|
||
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  </div>
|
||
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <a class="code" href="class_q_vector.html">QVector< double ></a> <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>( curvatures.size() );</div>
|
||
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  </div>
|
||
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* cv = curvatures.constData();</div>
|
||
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="keywordtype">double</span>* m = <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>.data();</div>
|
||
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  </div>
|
||
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = points.size();</div>
|
||
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  </div>
|
||
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <a class="code" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> polynomial;</div>
|
||
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  </div>
|
||
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < n - 1; i++ )</div>
|
||
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  {</div>
|
||
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  polynomial = <a class="code" href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a>( p[i], cv[i], p[i + 1], cv[i + 1] );</div>
|
||
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  m[i] = polynomial.<a class="code" href="class_qwt_spline_polynomial.html#ab7a4dd72809be3e6648bafcf6871dd32">c1</a>;</div>
|
||
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  }</div>
|
||
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  </div>
|
||
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  m[n - 1] = polynomial.<a class="code" href="class_qwt_spline_polynomial.html#a136975ae7191fd91b5b9ef5297b36299">slopeAt</a>( p[n - 1].x() - p[n - 2].x() );</div>
|
||
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  </div>
|
||
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">slopes</a>;</div>
|
||
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span> }</div>
|
||
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  </div>
|
||
<div class="line"><a name="l01381"></a><span class="lineno"><a class="line" href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b"> 1381</a></span> <a class="code" href="class_q_vector.html">QVector< QwtSplinePolynomial ></a> <a class="code" href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b">QwtSplineC2::polynomials</a>( <span class="keyword">const</span> QPolygonF& points )<span class="keyword"> const</span></div>
|
||
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span> <span class="keyword"></span>{</div>
|
||
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <a class="code" href="class_q_vector.html">QVector< QwtSplinePolynomial ></a> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  </div>
|
||
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="keyword">const</span> <a class="code" href="class_q_vector.html">QVector< double ></a> curvatures = this->curvatures( points );</div>
|
||
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  <span class="keywordflow">if</span> ( curvatures.size() < 2 )</div>
|
||
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  </div>
|
||
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keyword">const</span> QPointF* p = points.constData();</div>
|
||
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <span class="keyword">const</span> <span class="keywordtype">double</span>* cv = curvatures.constData();</div>
|
||
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = curvatures.size();</div>
|
||
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>.reserve( n - 1 );</div>
|
||
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  </div>
|
||
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i < n; i++ )</div>
|
||
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  {</div>
|
||
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a> += <a class="code" href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a>(</div>
|
||
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  p[i - 1], cv[i - 1], p[i], cv[i] );</div>
|
||
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  }</div>
|
||
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  </div>
|
||
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">polynomials</a>;</div>
|
||
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> }</div>
|
||
<div class="ttc" id="aclass_q_vector_html"><div class="ttname"><a href="class_q_vector.html">QVector< QLineF ></a></div></div>
|
||
<div class="ttc" id="aclass_qwt_bezier_html"><div class="ttname"><a href="class_qwt_bezier.html">QwtBezier</a></div><div class="ttdoc">An implementation of the de Casteljau’s Algorithm for interpolating Bézier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8h_source.html#l00029">qwt_bezier.h:30</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_bezier_html_a1e67390b7109a819d29b043418bcb1b5"><div class="ttname"><a href="class_qwt_bezier.html#a1e67390b7109a819d29b043418bcb1b5">QwtBezier::appendToPolygon</a></div><div class="ttdeci">void appendToPolygon(const QPointF &p1, const QPointF &cp1, const QPointF &cp2, const QPointF &p2, QPolygonF &polygon) const</div><div class="ttdoc">Interpolate a Bézier curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8cpp_source.html#l00186">qwt_bezier.cpp:186</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_bezier_html_a962c356b89fb7fd2343091fed1569530"><div class="ttname"><a href="class_qwt_bezier.html#a962c356b89fb7fd2343091fed1569530">QwtBezier::pointAt</a></div><div class="ttdeci">static QPointF pointAt(const QPointF &p1, const QPointF &cp1, const QPointF &cp2, const QPointF &p2, double t)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8cpp_source.html#l00239">qwt_bezier.cpp:239</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html"><div class="ttname"><a href="class_qwt_spline_c1.html">QwtSplineC1</a></div><div class="ttdoc">Base class for spline interpolations providing a first order parametric continuity ( C1 ) between adj...</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00235">qwt_spline.h:236</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a20caae8d9308f92a49da94315cd46537"><div class="ttname"><a href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">QwtSplineC1::slopes</a></div><div class="ttdeci">virtual QVector< double > slopes(const QPolygonF &) const =0</div><div class="ttdoc">Find the first derivative at the control points.</div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a33140db5071e38ef20d09de29414a13b"><div class="ttname"><a href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">QwtSplineC1::~QwtSplineC1</a></div><div class="ttdeci">virtual ~QwtSplineC1()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00968">qwt_spline.cpp:968</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a4924927ec8a3f9dde92692898ccf6cf5"><div class="ttname"><a href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">QwtSplineC1::QwtSplineC1</a></div><div class="ttdeci">QwtSplineC1()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00962">qwt_spline.cpp:962</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a4befa20c7cc5bed3f3f14d52ff639f48"><div class="ttname"><a href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">QwtSplineC1::slopeAtBeginning</a></div><div class="ttdeci">virtual double slopeAtBeginning(const QPolygonF &, double slopeNext) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00979">qwt_spline.cpp:979</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a79a63604fbbdc82dc2d39ecc4e32df80"><div class="ttname"><a href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &) const override</div><div class="ttdoc">Calculate an interpolated painter path.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01043">qwt_spline.cpp:1043</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a900ac5247f71ed344a46326c6064ec6b"><div class="ttname"><a href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">QwtSplineC1::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &, double distance, bool withNodes) const override</div><div class="ttdoc">Find an interpolated polygon with "equidistant" points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01167">qwt_spline.cpp:1167</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a95bd3ff76fa0975f07b2351f4194e60e"><div class="ttname"><a href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1::bezierControlLines</a></div><div class="ttdeci">virtual QVector< QLineF > bezierControlLines(const QPolygonF &) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01101">qwt_spline.cpp:1101</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_c1_html_a9fed720ae4d5d4e6ea6c8e3727587e5e"><div class="ttname"><a href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">QwtSplineC1::slopeAtEnd</a></div><div class="ttdeci">virtual double slopeAtEnd(const QPolygonF &, double slopeBefore) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00997">qwt_spline.cpp:997</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c1_html_ae5e92c78b70b85393533c752ac3bd543"><div class="ttname"><a href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">QwtSplineC1::polynomials</a></div><div class="ttdeci">virtual QVector< QwtSplinePolynomial > polynomials(const QPolygonF &) const</div><div class="ttdoc">Calculate the interpolating polynomials for a non parametric spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01201">qwt_spline.cpp:1201</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c2_html_a02387ad1232ab77881caf710edcc7eca"><div class="ttname"><a href="class_qwt_spline_c2.html#a02387ad1232ab77881caf710edcc7eca">QwtSplineC2::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &, double distance, bool withNodes) const override</div><div class="ttdoc">Find an interpolated polygon with "equidistant" points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01295">qwt_spline.cpp:1295</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c2_html_a22d88546b8dff5b3f7efdef656d9f617"><div class="ttname"><a href="class_qwt_spline_c2.html#a22d88546b8dff5b3f7efdef656d9f617">QwtSplineC2::slopes</a></div><div class="ttdeci">virtual QVector< double > slopes(const QPolygonF &) const override</div><div class="ttdoc">Find the first derivative at the control points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01339">qwt_spline.cpp:1339</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c2_html_a5157941fdf2d1328ba20724804877809"><div class="ttname"><a href="class_qwt_spline_c2.html#a5157941fdf2d1328ba20724804877809">QwtSplineC2::QwtSplineC2</a></div><div class="ttdeci">QwtSplineC2()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01228">qwt_spline.cpp:1228</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c2_html_aa909f7c297d01a8381d4a58ae6f847be"><div class="ttname"><a href="class_qwt_spline_c2.html#aa909f7c297d01a8381d4a58ae6f847be">QwtSplineC2::bezierControlLines</a></div><div class="ttdeci">virtual QVector< QLineF > bezierControlLines(const QPolygonF &) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01270">qwt_spline.cpp:1270</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_c2_html_ab7502fe760f6c98b46fe9bd9fc24813b"><div class="ttname"><a href="class_qwt_spline_c2.html#ab7502fe760f6c98b46fe9bd9fc24813b">QwtSplineC2::polynomials</a></div><div class="ttdeci">virtual QVector< QwtSplinePolynomial > polynomials(const QPolygonF &) const override</div><div class="ttdoc">Calculate the interpolating polynomials for a non parametric spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01381">qwt_spline.cpp:1381</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_c2_html_ad366da5e045494476e683534b8e28cea"><div class="ttname"><a href="class_qwt_spline_c2.html#ad366da5e045494476e683534b8e28cea">QwtSplineC2::~QwtSplineC2</a></div><div class="ttdeci">virtual ~QwtSplineC2()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01233">qwt_spline.cpp:1233</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_c2_html_aff09e99a775253f1c37546f5d3a82428"><div class="ttname"><a href="class_qwt_spline_c2.html#aff09e99a775253f1c37546f5d3a82428">QwtSplineC2::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l01249">qwt_spline.cpp:1249</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_g1_html_a441218078365cb31416fd28501eefa2f"><div class="ttname"><a href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">QwtSplineG1::~QwtSplineG1</a></div><div class="ttdeci">virtual ~QwtSplineG1()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00949">qwt_spline.cpp:949</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_g1_html_aba43f62873a477b2733d4ced610d038d"><div class="ttname"><a href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">QwtSplineG1::QwtSplineG1</a></div><div class="ttdeci">QwtSplineG1()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00944">qwt_spline.cpp:944</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html"><div class="ttname"><a href="class_qwt_spline.html">QwtSpline</a></div><div class="ttdoc">Base class for all splines.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00057">qwt_spline.h:58</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595a"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">QwtSpline::BoundaryPosition</a></div><div class="ttdeci">BoundaryPosition</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00099">qwt_spline.h:100</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">QwtSpline::AtBeginning</a></div><div class="ttdeci">@ AtBeginning</div><div class="ttdoc">the condition is at the beginning of the polynomial</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00102">qwt_spline.h:102</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55"><div class="ttname"><a href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">QwtSpline::AtEnd</a></div><div class="ttdeci">@ AtEnd</div><div class="ttdoc">the condition is at the end of the polynomial</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00106">qwt_spline.h:105</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a34c5ddda039f15ec71de0523d9753b64"><div class="ttname"><a href="class_qwt_spline.html#a34c5ddda039f15ec71de0523d9753b64">QwtSpline::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &) const =0</div></div>
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<div class="ttc" id="aclass_qwt_spline_html_a3a51db25eb5f3e4716fe172ae3ca35ec"><div class="ttname"><a href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">QwtSpline::boundaryValue</a></div><div class="ttdeci">double boundaryValue(BoundaryPosition) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00682">qwt_spline.cpp:682</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a48ddb960940cd1bd6d6707dd0ebb8785"><div class="ttname"><a href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">QwtSpline::setBoundaryType</a></div><div class="ttdeci">void setBoundaryType(BoundaryType)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00617">qwt_spline.cpp:617</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_a5d1e0ba35c637a88c66d9e4cbaf36e93"><div class="ttname"><a href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">QwtSpline::QwtSpline</a></div><div class="ttdeci">QwtSpline()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00540">qwt_spline.cpp:540</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a6306d24451d24f16d30880b9114d3052"><div class="ttname"><a href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">QwtSpline::setBoundaryCondition</a></div><div class="ttdeci">void setBoundaryCondition(BoundaryPosition, int condition)</div><div class="ttdoc">Define the condition for an endpoint of the spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00639">qwt_spline.cpp:639</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a6aa6f2c0b844e6a27284aa474c6bca7b"><div class="ttname"><a href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">QwtSpline::parametrization</a></div><div class="ttdeci">const QwtSplineParametrization * parametrization() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00605">qwt_spline.cpp:605</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a77de5f694c70a7c0b34a02c04093fcee"><div class="ttname"><a href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">QwtSpline::boundaryCondition</a></div><div class="ttdeci">int boundaryCondition(BoundaryPosition) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00651">qwt_spline.cpp:651</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a7f5f43e9e83fd23210ac528802c0496d"><div class="ttname"><a href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">QwtSpline::boundaryType</a></div><div class="ttdeci">BoundaryType boundaryType() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00626">qwt_spline.cpp:626</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_a8530fa87bf65a42492014b50614d0595"><div class="ttname"><a href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">QwtSpline::locality</a></div><div class="ttdeci">virtual uint locality() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00564">qwt_spline.cpp:564</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_a90805882826469c94fdc871f18261bb6"><div class="ttname"><a href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">QwtSpline::~QwtSpline</a></div><div class="ttdeci">virtual ~QwtSpline()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00546">qwt_spline.cpp:546</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_aa2debc778d58c5f53ab757c87f8ac21d"><div class="ttname"><a href="class_qwt_spline.html#aa2debc778d58c5f53ab757c87f8ac21d">QwtSpline::polygon</a></div><div class="ttdeci">virtual QPolygonF polygon(const QPolygonF &, double tolerance) const</div><div class="ttdoc">Interpolate a curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00496">qwt_spline.cpp:496</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_aa890bace9e318d1bff4fb03ed7d6e9c3"><div class="ttname"><a href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">QwtSpline::setBoundaryConditions</a></div><div class="ttdeci">void setBoundaryConditions(int condition, double valueBegin=0.0, double valueEnd=0.0)</div><div class="ttdoc">Define the condition at the endpoints of a spline.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00700">qwt_spline.cpp:700</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_ac14c58e4301b85732c97a4daaf7a9b8b"><div class="ttname"><a href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">QwtSpline::setBoundaryValue</a></div><div class="ttdeci">void setBoundaryValue(BoundaryPosition, double value)</div><div class="ttdoc">Define the boundary value.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00670">qwt_spline.cpp:670</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">QwtSpline::BoundaryType</a></div><div class="ttdeci">BoundaryType</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00065">qwt_spline.h:66</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a></div><div class="ttdeci">@ ClosedPolygon</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00093">qwt_spline.h:92</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711">QwtSpline::ConditionalBoundaries</a></div><div class="ttdeci">@ ConditionalBoundaries</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00072">qwt_spline.h:72</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe">QwtSpline::Clamped2</a></div><div class="ttdeci">@ Clamped2</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00134">qwt_spline.h:134</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">QwtSpline::LinearRunout</a></div><div class="ttdeci">@ LinearRunout</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00154">qwt_spline.h:153</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">QwtSpline::Clamped3</a></div><div class="ttdeci">@ Clamped3</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00143">qwt_spline.h:143</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028"><div class="ttname"><a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028">QwtSpline::Clamped1</a></div><div class="ttdeci">@ Clamped1</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00125">qwt_spline.h:125</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_html_afb4959b1db04dd021b0a49752b66fac3"><div class="ttname"><a href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a></div><div class="ttdeci">void setParametrization(int type)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00576">qwt_spline.cpp:576</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a1a1e39267da1d9d0f8a1c670777163a4"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">QwtSplineInterpolating::~QwtSplineInterpolating</a></div><div class="ttdeci">virtual ~QwtSplineInterpolating()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00716">qwt_spline.cpp:716</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a5a01fc8e0cd91a84881befe1caeec8db"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a5a01fc8e0cd91a84881befe1caeec8db">QwtSplineInterpolating::equidistantPolygon</a></div><div class="ttdeci">virtual QPolygonF equidistantPolygon(const QPolygonF &, double distance, bool withNodes) const</div><div class="ttdoc">Find an interpolated polygon with "equidistant" points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00863">qwt_spline.cpp:863</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a8db950cb52e6f12e51cfcb31e3bccf75"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a8db950cb52e6f12e51cfcb31e3bccf75">QwtSplineInterpolating::bezierControlLines</a></div><div class="ttdeci">virtual QVector< QLineF > bezierControlLines(const QPolygonF &) const =0</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_a9f8a93111263da26788c4ae9034411d5"><div class="ttname"><a href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">QwtSplineInterpolating::QwtSplineInterpolating</a></div><div class="ttdeci">QwtSplineInterpolating()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00711">qwt_spline.cpp:711</a></div></div>
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||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_ab7ae76bbd1a085a267cdd54353ece2c2"><div class="ttname"><a href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">QwtSplineInterpolating::polygon</a></div><div class="ttdeci">virtual QPolygonF polygon(const QPolygonF &, double tolerance) const override</div><div class="ttdoc">Interpolate a curve by a polygon.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00805">qwt_spline.cpp:805</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_interpolating_html_ae9eb4c8b6c5257a44f918c30d36860e4"><div class="ttname"><a href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00748">qwt_spline.cpp:748</a></div></div>
|
||
<div class="ttc" id="aclass_qwt_spline_parametrization_html"><div class="ttname"><a href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a></div><div class="ttdoc">Curve parametrization used for a spline interpolation.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00044">qwt_spline_parametrization.h:45</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_a02659178ea5377ec5e13d71858456200"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a02659178ea5377ec5e13d71858456200">QwtSplineParametrization::valueIncrementChordal</a></div><div class="ttdeci">static double valueIncrementChordal(const QPointF &, const QPointF &)</div><div class="ttdoc">Calculate the ParameterChordal value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00179">qwt_spline_parametrization.h:179</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_a141e850c0e8da729dada0870041c265b"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a141e850c0e8da729dada0870041c265b">QwtSplineParametrization::valueIncrementCentripetal</a></div><div class="ttdeci">static double valueIncrementCentripetal(const QPointF &, const QPointF &)</div><div class="ttdoc">Calculate the ParameterCentripetal value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00196">qwt_spline_parametrization.h:196</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_a4ec70cdb3d4c1b53628ef516e93390ec"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a></div><div class="ttdeci">static double valueIncrementUniform(const QPointF &, const QPointF &)</div><div class="ttdoc">Calculate the ParameterUniform value increment.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00162">qwt_spline_parametrization.h:162</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_a5cd58cf9777799bec478ad524baa22f9"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a5cd58cf9777799bec478ad524baa22f9">QwtSplineParametrization::valueIncrement</a></div><div class="ttdeci">virtual double valueIncrement(const QPointF &, const QPointF &) const</div><div class="ttdoc">Calculate the parameter value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8cpp_source.html#l00035">qwt_spline_parametrization.cpp:35</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da30edbcab5070b1f54d7e6d2486cb7ccf">QwtSplineParametrization::ParameterY</a></div><div class="ttdeci">@ ParameterY</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00060">qwt_spline_parametrization.h:60</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3127bf721ca3be4e279f9478ea12270c">QwtSplineParametrization::ParameterCentripetal</a></div><div class="ttdeci">@ ParameterCentripetal</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00094">qwt_spline_parametrization.h:94</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48da3eaba94a692d4e23a0714db3288a6a24">QwtSplineParametrization::ParameterX</a></div><div class="ttdeci">@ ParameterX</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00054">qwt_spline_parametrization.h:54</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a></div><div class="ttdeci">@ ParameterUniform</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00072">qwt_spline_parametrization.h:72</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daf328ec1c9518bc5aaa9f648731f77ffd">QwtSplineParametrization::ParameterChordal</a></div><div class="ttdeci">@ ParameterChordal</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00082">qwt_spline_parametrization.h:82</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_aacfc92b2d904b9644e1e0f4fc77fd7a2"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aacfc92b2d904b9644e1e0f4fc77fd7a2">QwtSplineParametrization::valueIncrementManhattan</a></div><div class="ttdeci">static double valueIncrementManhattan(const QPointF &, const QPointF &)</div><div class="ttdoc">Calculate the ParameterManhattan value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00210">qwt_spline_parametrization.h:210</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_parametrization_html_ab5014b377c1f5f945cd7062109728d41"><div class="ttname"><a href="class_qwt_spline_parametrization.html#ab5014b377c1f5f945cd7062109728d41">QwtSplineParametrization::valueIncrementY</a></div><div class="ttdeci">static double valueIncrementY(const QPointF &, const QPointF &)</div><div class="ttdoc">Calculate the ParameterY value increment for 2 points.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00148">qwt_spline_parametrization.h:148</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html"><div class="ttname"><a href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a></div><div class="ttdoc">A cubic polynomial without constant term.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00030">qwt_spline_polynomial.h:31</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html_a136975ae7191fd91b5b9ef5297b36299"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a136975ae7191fd91b5b9ef5297b36299">QwtSplinePolynomial::slopeAt</a></div><div class="ttdeci">double slopeAt(double x) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00119">qwt_spline_polynomial.h:119</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html_a2f7c84dbfe6354d771d15fa95934ea07"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a2f7c84dbfe6354d771d15fa95934ea07">QwtSplinePolynomial::fromSlopes</a></div><div class="ttdeci">static QwtSplinePolynomial fromSlopes(const QPointF &p1, double m1, const QPointF &p2, double m2)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00147">qwt_spline_polynomial.h:147</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html_a31aa00624298eb0f7f0796d6d58ab38e"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a31aa00624298eb0f7f0796d6d58ab38e">QwtSplinePolynomial::valueAt</a></div><div class="ttdeci">double valueAt(double x) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00108">qwt_spline_polynomial.h:108</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html_a88432efffb0b03c266f8673e0d58c36e"><div class="ttname"><a href="class_qwt_spline_polynomial.html#a88432efffb0b03c266f8673e0d58c36e">QwtSplinePolynomial::fromCurvatures</a></div><div class="ttdeci">static QwtSplinePolynomial fromCurvatures(const QPointF &p1, double cv1, const QPointF &p2, double cv2)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00185">qwt_spline_polynomial.h:185</a></div></div>
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<div class="ttc" id="aclass_qwt_spline_polynomial_html_ab7a4dd72809be3e6648bafcf6871dd32"><div class="ttname"><a href="class_qwt_spline_polynomial.html#ab7a4dd72809be3e6648bafcf6871dd32">QwtSplinePolynomial::c1</a></div><div class="ttdeci">double c1</div><div class="ttdoc">coefficient of the linear summand</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__polynomial_8h_source.html#l00064">qwt_spline_polynomial.h:64</a></div></div>
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